dnspython-1.15.0/0000755000076500000240000000000012773500725014235 5ustar halleystaff00000000000000dnspython-1.15.0/ChangeLog0000644000076500000240000015071312773474660016026 0ustar halleystaff000000000000002016-09-29 Bob Halley * IDNA 2008 support is now available if the "idna" module has been installed and IDNA 2008 is requested. The default IDNA behavior is still IDNA 2003. The new IDNA codec mechanism is currently only useful for direct calls to dns.name.from_text() or dns.name.from_unicode(), but in future releases it will be deployed throughout dnspython, e.g. so that you can read a masterfile with an IDNA 2008 codec in force. * By default, dns.name.to_unicode() is not strict about which version of IDNA the input complies with. Strictness can be requested by using one of the strict IDNA codecs. * Add AVC RR support. * Some problems with newlines in various output modes have been addressed. * dns.name.to_text() now returns text and not bytes on Python 3.x * More miscellaneous fixes for the Python 2/3 codeline merge. 2016-05-27 Bob Halley * (Version 1.14.0 released) * Add CSYNC RR support * Fix bug in LOC which destroyed N/S and E/W distinctions within a degree of the equator or prime merdian respectively. * Misc. fixes to deal with fallout from the Python 2 & 3 merge. [issue #156], [issue #157], [issue #158], [issue #159], [issue #160]. * Running with python optimization on caused issues when stripped docstrings were referenced. [issue #154] * dns.zone.from_text() erroneously required the zone to be provided. [issue #153] 2016-05-13 Bob Halley * dns/message.py (make_query): Setting any value which implies EDNS will turn on EDNS if 'use_edns' has not been specified. 2016-05-12 Bob Halley * TSIG signature algorithm setting was broken by the Python 2 and Python 3 code line merge. Fixed. 2016-05-10 Bob Halley * (Version 1.13.0 released) 2016-05-10 Bob Halley * Dropped support for Python 2.4 and 2.5. * Zone origin can be specified as a string. * Support string representation for all DNSExceptions. * Use setuptools not distutils * A number of Unicode name bug fixes. * Added support for CAA, CDS, CDNSKEY, EUI48, EUI64, and URI RR types. * Names now support the pickle protocol. * NameDicts now keep the max-depth value correct, and update properly. * resolv.conf processing rejects lines with too few tokens. * Ports can be specified per-nameserver in the stub resolver. 2016-05-03 Arthur Gautier * Single source support for python 2.6+ and 3.3+ 2014-09-04 Bob Halley * Comparing two rdata is now always done by comparing the binary data of the DNSSEC digestable forms. This corrects a number of errors where dnspython's rdata comparison order was not the DNSSEC order. * Add CAA implementation. Thanks to Brian Wellington for the patch. 2014-09-01 Bob Halley * (Version 1.12.0 released) 2014-08-31 Bob Halley * The test system can now run the tests without requiring dnspython to be installed. 2014-07-24 Bob Halley * The 64-bit version of Python on Windows has sys.maxint set to 2^31-1, yet passes 2^63-1 as the "unspecified bound" value in slices. This is a bug in Python as the documentation says the unspecified bound value should be sys.maxint. We now cope with this. Thanks to Matthäus Wander for reporting the problem. 2014-06-21 Bob Halley * When reading from a masterfile, if the first content line started with leading whitespace, we raised an ugly exception instead of doing the right thing, namely using the zone origin as the name. [#73] Thanks to Tassatux for reporting the issue. * Added dns.zone.to_text() convenience method. Thanks to Brandon Whaley for the patch. * The /etc/resolv.conf setting "options rotate" is now understood by the resolver. If present, the resolver will shuffle the nameserver list each time dns.resolver.query() is called. Thanks to underrun for the patch. Note that you don't want to add "options rotate" to your /etc/resolv.conf if your system's resolver library does not understand it. In this case, just set resolver.rotate = True by hand. 2014-06-19 Bob Halley * Escaping of Unicode has been corrected. Previously we escaped and then converted to Unicode, but the right thing to do is convert to Unicode, then escape. Also, characters > 0x7f should NOT be escaped in Unicode mode. Thanks to Martin Basti for the patch. * dns.rdtypes.ANY.DNSKEY now has helpers functions to convert between the numeric form of the flags and a set of human-friendly strings. Thanks to Petr Spacek for the patch. * RRSIGs did not respect relativization settings in to_text(). Thanks to Brian Smith for reporting the bug and submitting a (slightly different) patch. 2014-06-18 Bob Halley * dns/rdtypes/IN/APL.py: The APL from_wire() method did not accept an rdata length of 0 as valid. Thanks to salzmdan for reporting the problem. 2014-05-31 Bob Halley * dns/ipv6.py: Add is_mapped() * dns/reversename.py: Lookup IPv6 mapped IPv4 addresses in the v4 reverse namespace. Thanks to Devin Bayer. Yes, I finally fixed this one :) 2014-04-11 Bob Halley * dns/zone.py: Do not put back an unescaped token. This was causing escape processing for domain names to break. Thanks to connormclaud for reporting the problem. 2014-04-04 Bob Halley * dns/message.py: Making a response didn't work correctly if the query was signed with TSIG and we knew the key. Thanks to Jeffrey Stiles for reporting the problem. 2013-12-11 Bob Halley * dns/query.py: Fix problems with the IXFR state machine which caused long diffs to fail. Thanks to James Raftery for the fix and the repeated prodding to get it applied :) 2013-09-02 Bob Halley * (Version 1.11.1 released) 2013-09-01 Bob Halley * dns/tsigkeyring.py (to_text): we want keyname.to_text(), not dns.name.to_text(keyname). Thangs to wangwang for the fix. 2013-08-26 Bob Halley * dns/tsig.py (sign): multi-message TSIGs were broken for algorithms other than HMAC-MD5 because we weren't passing the right digest module to the HMAC code. Thanks to salzmdan for reporting the bug. 2013-08-09 Bob Halley * dns/dnssec.py (_find_candidate_keys): we tried to extract the key from the wrong variable name. Thanks to Andrei Fokau for the fix. 2013-07-08 Bob Halley * dns/resolver.py: we want 'self.retry_servfail' not just retry_servfail. Reported by many, thanks! Thanks to Jeffrey C. Ollie for the fix. 2013-07-08 Bob Halley * tests/grange.py: fix tests to use older-style print formatting for backwards compatibility with python 2.4. Thanks to Jeffrey C. Ollie for the fix. 2013-07-01 Bob Halley * (Version 1.11.0 released) 2013-04-28 Bob Halley * dns/name.py (Name.to_wire): Do not add items with offsets >= 2^14 to the compression table. Thanks to Casey Deccio for discovering this bug. 2013-04-26 Bob Halley * dns/ipv6.py (inet_ntoa): We now comply with RFC 5952 section 5.2.2, by *not* using the :: syntax to shorten just one 16-bit field. Thanks to David Waitzman for reporting the bug and suggesting the fix. 2013-03-31 Bob Halley * lock caches in case they are shared * raise YXDOMAIN if we see one * do not print empty rdatasets * Add contributed $GENERATE support (thanks uberj) * Remove DNSKEY keytag uniqueness assumption (RFC 4034, section 8) (thanks James Dempsey) 2012-09-25 Sean Leach * added set_flags() method to dns.resolver.Resolver 2012-09-25 Pieter Lexis * added support for TLSA RR 2012-08-28 Bob Halley * dns/rdtypes/ANY/NSEC3.py (NSEC3.from_text): The NSEC3 from_text() method could erroneously emit empty bitmap windows (i.e. windows with a count of 0 bytes); such bitmaps are illegal. 2012-04-08 Bob Halley * (Version 1.10.0 released) 2012-04-08 Bob Halley * dns/message.py (make_query): All EDNS values may now be specified when calling make_query() * dns/query.py: Specifying source_port had no effect if source was not specified. We now use the appropriate wildcard source in that case. * dns/resolver.py (Resolver.query): source_port may now be specified. * dns/resolver.py (Resolver.query): Switch to TCP when a UDP response is truncated. Handle nameservers that serve on UDP but not TCP. 2012-04-07 Bob Halley * dns/zone.py (from_xfr): dns.zone.from_xfr() now takes a 'check_origin' parameter which defaults to True. If set to False, then dnspython will not make origin checks on the zone. Thanks to Carlos Perez for the report. * dns/rdtypes/ANY/SSHFP.py (SSHFP.from_text): Allow whitespace in the text string. Thanks to Jan Andres for the report and the patch. * dns/message.py (from_wire): dns.message.from_wire() now takes an 'ignore_trailing' parameter which defaults to False. If set to True, then trailing junk will be ignored instead of causing TrailingJunk to be raised. Thanks to Shane Huntley for contributing the patch. 2011-08-22 Bob Halley * dns/resolver.py: Added LRUCache. In this cache implementation, the cache size is limited to a user-specified number of nodes, and when adding a new node to a full cache the least-recently used node is removed. 2011-07-13 Bob Halley * dns/resolver.py: dns.resolver.override_system_resolver() overrides the socket module's versions of getaddrinfo(), getnameinfo(), getfqdn(), gethostbyname(), gethostbyname_ex() and gethostbyaddr() with an implementation which uses a dnspython stub resolver instead of the system's stub resolver. This can be useful in testing situations where you want to control the resolution behavior of python code without having to change the system's resolver settings (e.g. /etc/resolv.conf). dns.resolver.restore_system_resolver() undoes the change. 2011-07-08 Bob Halley * dns/ipv4.py: dnspython now provides its own, stricter, versions of IPv4 inet_ntoa() and inet_aton() instead of using the OS's versions. * dns/ipv6.py: inet_aton() now bounds checks embedded IPv4 addresses more strictly. Also, now only dns.exception.SyntaxError can be raised on bad input. 2011-04-05 Bob Halley * Old DNSSEC types (KEY, NXT, and SIG) have been removed. * Bounds checking of slices in rdata wire processing is now more strict, and bounds errors (e.g. we got less data than was expected) now raise dns.exception.FormError rather than IndexError. 2011-03-28 Bob Halley * (Version 1.9.4 released) 2011-03-24 Bob Halley * dns/rdata.py (Rdata._wire_cmp): We need to specify no compression and an origin to _wire_cmp() in case names in the rdata are relative names. * dns/rdtypes/ANY/SIG.py (SIG._cmp): Add missing 'import struct'. Thanks to Arfrever Frehtes Taifersar Arahesis for reporting the problem. 2011-03-24 Bob Halley * (Version 1.9.3 released) 2011-03-22 Bob Halley * dns/resolver.py: a boolean parameter, 'raise_on_no_answer', has been added to the query() methods. In no-error, no-data situations, this parameter determines whether NoAnswer should be raised or not. If True, NoAnswer is raised. If False, then an Answer() object with a None rrset will be returned. * dns/resolver.py: Answer() objects now have a canonical_name field. 2011-01-11 Bob Halley * Dnspython was erroneously doing case-insensitive comparisons of the names in NSEC and RRSIG RRs. Thanks to Casey Deccio for reporting this bug. 2010-12-17 Bob Halley * dns/message.py (_WireReader._get_section): use "is" and not "==" when testing what section an RR is in. Thanks to James Raftery for reporting this bug. 2010-12-10 Bob Halley * dns/resolver.py (Resolver.query): disallow metaqueries. * dns/rdata.py (Rdata.__hash__): Added a __hash__ method for rdata. 2010-11-23 Bob Halley * (Version 1.9.2 released) 2010-11-23 Bob Halley * dns/dnssec.py (_need_pycrypto): DSA and RSA are modules, not functions, and I didn't notice because the test suite masked the bug! *sigh* 2010-11-22 Bob Halley * (Version 1.9.1 released) 2010-11-22 Bob Halley * dns/dnssec.py: the "from" style import used to get DSA from PyCrypto trashed a DSA constant. Now a normal import is used to avoid namespace contamination. 2010-11-20 Bob Halley * (Version 1.9.0 released) 2010-11-07 Bob Halley * dns/dnssec.py: Added validate() to do basic DNSSEC validation (requires PyCrypto). Thanks to Brian Wellington for the patch. * dns/hash.py: Hash compatibility handling is now its own module. 2010-10-31 Bob Halley * dns/resolver.py (zone_for_name): A query name resulting in a CNAME or DNAME response to a node which had an SOA was incorrectly treated as a zone origin. In these cases, we should just look higher. Thanks to Gert Berger for reporting this problem. * Added zonediff.py to examples. This program compares two zones and shows the differences either in diff-like plain text, or HTML. Thanks to Dennis Kaarsemaker for contributing this useful program. 2010-10-27 Bob Halley * Incorporate a patch to use poll() instead of select() by default on platforms which support it. Thanks to Peter Schüller and Spotify for the contribution. 2010-10-17 Bob Halley * Python prior to 2.5.2 doesn't compute the correct values for HMAC-SHA384 and HMAC-SHA512. We now detect attempts to use them and raise NotImplemented if the Python version is too old. Thanks to Kevin Chen for reporting the problem. * Various routines that took the string forms of rdata types and classes did not permit the strings to be Unicode strings. Thanks to Ryan Workman for reporting the issue. * dns/tsig.py: Added symbolic constants for the algorithm strings. E.g. you can now say dns.tsig.HMAC_MD5 instead of "HMAC-MD5.SIG-ALG.REG.INT". Thanks to Cillian Sharkey for suggesting this improvement. * dns/tsig.py (get_algorithm): fix hashlib compatibility; thanks to Kevin Chen for the patch. * dns/dnssec.py: Added key_id() and make_ds(). * dns/message.py: message.py needs to import dns.edns since it uses it. 2010-05-04 Bob Halley * dns/rrset.py (RRset.__init__): "covers" was not passed to the superclass __init__(). Thanks to Shanmuga Rajan for reporting the problem. 2010-03-10 Bob Halley * The TSIG algorithm value was passed to use_tsig() incorrectly in some cases. Thanks to 'ducciovigolo' for reporting the problem. 2010-01-26 Bob Halley * (Version 1.8.0 released) 2010-01-13 Bob Halley * dns/dnssec.py: Added RSASHA256 and RSASHA512 codepoints; added other missing codepoints to _algorithm_by_text. 2010-01-12 Bob Halley * Escapes in masterfiles now work correctly. Previously they were only working correctly when the text involved was part of a domain name. * dns/tokenizer.py: The tokenizer's get() method now returns Token objects, not (type, text) tuples. 2009-11-13 Bob Halley * Support has been added for hmac-sha1, hmac-sha224, hmac-sha256, hmac-sha384 and hmac-sha512. Thanks to Kevin Chen for a thoughtful, high quality patch. * dns/update.py (Update::present): A zero TTL was not added if present() was called with a single rdata, causing _add() to be unhappy. Thanks to Eugene Kim for reporting the problem and submitting a patch. * dns/entropy.py: Use os.urandom() if present. Don't seed until someone wants randomness. 2009-09-16 Bob Halley * dns/entropy.py: The entropy module needs locking in order to be used safely in a multithreaded environment. Thanks to Beda Kosata for reporting the problem. 2009-07-27 Bob Halley * dns/query.py (xfr): The socket was not set to nonblocking mode. Thanks to Erik Romijn for reporting this problem. 2009-07-23 Bob Halley * dns/rdtypes/IN/SRV.py (SRV._cmp): SRV records were compared incorrectly due to a cut-and-paste error. Thanks to Tommie Gannert for reporting this bug. * dns/e164.py (query): The resolver parameter was not used. Thanks to Matías Bellone for reporting this bug. 2009-06-23 Bob Halley * dns/entropy.py (EntropyPool.__init__): open /dev/random unbuffered; there's no need to consume more randomness than we need. Thanks to Brian Wellington for the patch. 2009-06-19 Bob Halley * (Version 1.7.1 released) 2009-06-19 Bob Halley * DLV.py was omitted from the kit * Negative prerequisites were not handled correctly in _get_section(). 2009-06-19 Bob Halley * (Version 1.7.0 released) 2009-06-19 Bob Halley * On Windows, the resolver set the domain incorrectly. Thanks to Brandon Carpenter for reporting this bug. * Added a to_digestable() method to rdata classes; it returns the digestable form (i.e. DNSSEC canonical form) of the rdata. For most rdata types this is the same uncompressed wire form. For certain older DNS RR types, however, domain names in the rdata are downcased. * Added support for the HIP RR type. 2009-06-18 Bob Halley * Added support for the DLV RR type. * Added various DNSSEC related constants (e.g. algorithm identifiers, flag values). * dns/tsig.py: Added support for BADTRUNC result code. * dns/query.py (udp): When checking that addresses are the same, use the binary form of the address in the comparison. This ensures that we don't treat addresses as different if they have equivalent but differing textual representations. E.g. "1:00::1" and "1::1" represent the same address but are not textually equal. Thanks to Kim Davies for reporting this bug. * The resolver's query() method now has an optional 'source' parameter, allowing the source IP address to be specified. Thanks to Alexander Lind for suggesting the change and sending a patch. * Added NSEC3 and NSEC3PARAM support. 2009-06-17 Bob Halley * Fixed NSEC.to_text(), which was only printing the last window. Thanks to Brian Wellington for finding the problem and fixing it. 2009-03-30 Bob Halley * dns/query.py (xfr): Allow UDP IXFRs. Use "one_rr_per_rrset" mode when doing IXFR. 2009-03-30 Bob Halley * Add "one_rr_per_rrset" mode switch to methods which parse messages from wire format (e.g. dns.message.from_wire(), dns.query.udp(), dns.query.tcp()). If set, each RR read is placed in its own RRset (instead of being coalesced). 2009-03-30 Bob Halley * Added EDNS option support. 2008-10-16 Bob Halley * dns/rdtypes/ANY/DS.py: The from_text() parser for DS RRs did not allow multiple Base64 chunks. Thanks to Rakesh Banka for finding this bug and submitting a patch. 2008-10-08 Bob Halley * Add entropy module. * When validating TSIGs, we need to use the absolute name. 2008-06-03 Bob Halley * dns/message.py (Message.set_rcode): The mask used preserved the extended rcode, instead of everything else in ednsflags. * dns/message.py (Message.use_edns): ednsflags was not kept coherent with the specified edns version. 2008-02-06 Bob Halley * dns/ipv6.py (inet_aton): We could raise an exception other than dns.exception.SyntaxError in some cases. * dns/tsig.py: Raise an exception when the peer has set a non-zero TSIG error. 2007-11-25 Bob Halley * (Version 1.6.0 released) 2007-11-25 Bob Halley * dns/query.py (_wait_for): if select() raises an exception due to EINTR, we should just select() again. 2007-06-13 Bob Halley * dns/inet.py: Added is_multicast(). * dns/query.py (udp): If the queried address is a multicast address, then don't check that the address of the response is the same as the address queried. 2007-05-24 Bob Halley * dns/rdtypes/IN/NAPTR.py: NAPTR comparisons didn't compare the preference field due to a typo. 2007-02-07 Bob Halley * dns/resolver.py: Integrate code submitted by Paul Marks to determine whether a Windows NIC is enabled. The way dnspython used to do this does not work on Windows Vista. 2006-12-10 Bob Halley * (Version 1.5.0 released) 2006-11-03 Bob Halley * dns/rdtypes/IN/DHCID.py: Added support for the DHCID RR type. 2006-11-02 Bob Halley * dns/query.py (udp): Messages from unexpected sources can now be ignored by setting ignore_unexpected to True. 2006-10-31 Bob Halley * dns/query.py (udp): When raising UnexpectedSource, add more detail about what went wrong to the exception. 2006-09-22 Bob Halley * dns/message.py (Message.use_edns): add reasonable defaults for the ednsflags, payload, and request_payload parameters. * dns/message.py (Message.want_dnssec): add a convenience method for enabling/disabling the "DNSSEC desired" flag in requests. * dns/message.py (make_query): add "use_edns" and "want_dnssec" parameters. 2006-08-17 Bob Halley * dns/resolver.py (Resolver.read_resolv_conf): If /etc/resolv.conf doesn't exist, just use the default resolver configuration (i.e. the same thing we would have used if resolv.conf had existed and been empty). 2006-07-26 Bob Halley * dns/resolver.py (Resolver._config_win32_fromkey): fix cut-and-paste error where we passed the wrong variable to self._config_win32_search(). Thanks to David Arnold for finding the bug and submitting a patch. 2006-07-20 Bob Halley * dns/resolver.py (Answer): Add more support for the sequence protocol, forwarding requests to the answer object's rrset. E.g. "for a in answer" is equivalent to "for a in answer.rrset", "answer[i]" is equivalent to "answer.rrset[i]", and "answer[i:j]" is equivalent to "answer.rrset[i:j]". 2006-07-19 Bob Halley * dns/query.py (xfr): Add IXFR support. 2006-06-22 Bob Halley * dns/rdtypes/IN/IPSECKEY.py: Added support for the IPSECKEY RR type. 2006-06-21 Bob Halley * dns/rdtypes/ANY/SPF.py: Added support for the SPF RR type. 2006-06-02 Bob Halley * (Version 1.4.0 released) 2006-04-25 Bob Halley * dns/rrset.py (RRset.to_rdataset): Added a convenience method to convert an rrset into an rdataset. 2006-03-27 Bob Halley * Added dns.e164.query(). This function can be used to look for NAPTR RRs for a specified number in several domains, e.g.: dns.e164.query('16505551212', ['e164.dnspython.org.', 'e164.arpa.']) 2006-03-26 Bob Halley * dns/resolver.py (Resolver.query): The resolver deleted from a list while iterating it, which makes the iterator unhappy. 2006-03-17 Bob Halley * dns/resolver.py (Resolver.query): The resolver needlessly delayed responses for successful queries. 2006-01-18 Bob Halley * dns/rdata.py: added a validate() method to the rdata class. If you change an rdata by assigning to its fields, it is a good idea to call validate() when you are done making changes. For example, if 'r' is an MX record and then you execute: r.preference = 100000 # invalid, because > 65535 r.validate() The validation will fail and an exception will be raised. 2006-01-11 Bob Halley * dns/ttl.py: TTLs are now bounds checked to be within the closed interval [0, 2^31 - 1]. * The BIND 8 TTL syntax is now accepted in the SOA refresh, retry, expire, and minimum fields, and in the original_ttl field of SIG and RRSIG records. 2006-01-04 Bob Halley * dns/resolver.py: The windows registry irritatingly changes the list element delimiter in between ' ' and ',' (and vice-versa) in various versions of windows. We now cope by always looking for either one (' ' first). 2005-12-27 Bob Halley * dns/e164.py: Added routines to convert between E.164 numbers and their ENUM domain name equivalents. * dns/reversename.py: Added routines to convert between IPv4 and IPv6 addresses and their DNS reverse-map equivalents. 2005-12-18 Bob Halley * dns/rdtypes/ANY/LOC.py (_tuple_to_float): The sign was lost when converting a tuple into a float, which broke conversions of south latitudes and west longitudes. 2005-11-17 Bob Halley * dns/zone.py: The 'origin' parameter to from_text() and from_file() is now optional. If not specified, dnspython will use the first $ORIGIN in the text as the zone's origin. * dns/zone.py: Sanity checks of the zone's origin node can now be disabled. 2005-11-12 Bob Halley * dns/name.py: Preliminary Unicode support has been added for domain names. Running dns.name.from_text() on a Unicode string will now encode each label using the IDN ACE encoding. The to_unicode() method may be used to convert a dns.name.Name with IDN ACE labels back into a Unicode string. This functionality requires Python 2.3 or greater. 2005-10-31 Bob Halley * (Version 1.3.5 released) 2005-10-12 Bob Halley * dns/zone.py: Zone.iterate_rdatasets() and Zone.iterate_rdatas() did not have a default rdtype of dns.rdatatype.ANY as their docstrings said they did. They do now. 2005-10-06 Bob Halley * dns/name.py: Added the parent() method, which returns the parent of a name. 2005-10-01 Bob Halley * dns/resolver.py: Added zone_for_name() helper, which returns the name of the zone which contains the specified name. * dns/resolver.py: Added get_default_resolver(), which returns the default resolver, initializing it if necessary. 2005-09-29 Bob Halley * dns/resolver.py (Resolver._compute_timeout): If time goes backwards a little bit, ignore it. 2005-07-31 Bob Halley * (Version 1.3.4 released) 2005-07-31 Bob Halley * dns/message.py (make_response): Trying to respond to a response threw a NameError while trying to throw a FormErr since it used the wrong name for the FormErr exception. * dns/query.py (_connect): We needed to ignore EALREADY too. * dns/query.py: Optional "source" and "source_port" parameters have been added to udp(), tcp(), and xfr(). Thanks to Ralf Weber for suggesting the change and providing a patch. 2005-06-05 Bob Halley * dns/query.py: The requirement that the "where" parameter be an IPv4 or IPv6 address is now documented. 2005-06-04 Bob Halley * dns/resolver.py: The resolver now does exponential backoff each time it runs through all of the nameservers. * dns/resolver.py: rcodes which indicate a nameserver is likely to be a "permanent failure" for a query cause the nameserver to be removed from the mix for that query. 2005-01-30 Bob Halley * (Version 1.3.3 released) 2004-10-25 Bob Halley * dns/rdtypes/ANY/TXT.py (TXT.from_text): The masterfile parser incorrectly rejected TXT records where a value was not quoted. 2004-10-11 Bob Halley * dns/message.py: Added make_response(), which creates a skeletal response for the specified query. Added opcode() and set_opcode() convenience methods to the Message class. Added the request_payload attribute to the Message class. 2004-10-10 Bob Halley * dns/zone.py (from_xfr): dns.zone.from_xfr() in relativization mode incorrectly set zone.origin to the empty name. 2004-09-02 Bob Halley * dns/name.py (Name.to_wire): The 'file' parameter to Name.to_wire() is now optional; if omitted, the wire form will be returned as the value of the function. 2004-08-14 Bob Halley * dns/message.py (Message.find_rrset): find_rrset() now uses an index, vastly improving the from_wire() performance of large messages such as zone transfers. 2004-08-07 Bob Halley * (Version 1.3.2 released) 2004-08-04 Bob Halley * dns/query.py: sending queries to a nameserver via IPv6 now works. * dns/inet.py (af_for_address): Add af_for_address(), which looks at a textual-form address and attempts to determine which address family it is. * dns/query.py: the default for the 'af' parameter of the udp(), tcp(), and xfr() functions has been changed from AF_INET to None, which causes dns.inet.af_for_address() to be used to determine the address family. If dns.inet.af_for_address() can't figure it out, we fall back to AF_INET and hope for the best. 2004-07-31 Bob Halley * dns/rdtypes/ANY/NSEC.py (NSEC.from_text): The NSEC text format does not allow specifying types by number, so we shouldn't either. * dns/renderer.py: the renderer module didn't import random, causing an exception to be raised if a query id wasn't provided when a Renderer was created. * dns/resolver.py (Resolver.query): the resolver wasn't catching dns.exception.Timeout, so a timeout erroneously caused the whole resolution to fail instead of just going on to the next server. 2004-06-16 Bob Halley * dns/rdtypes/ANY/LOC.py (LOC.from_text): LOC milliseconds values were converted incorrectly if the length of the milliseconds string was less than 3. 2004-06-06 Bob Halley * (Version 1.3.1 released) 2004-05-22 Bob Halley * dns/update.py (Update.delete): We erroneously specified a "deleting" value of dns.rdatatype.NONE instead of dns.rdataclass.NONE when the thing being deleted was either an Rdataset instance or an Rdata instance. * dns/rdtypes/ANY/SSHFP.py: Added support for the proposed SSHFP RR type. 2004-05-14 Bob Halley * dns/rdata.py (from_text): The masterfile reader did not accept the unknown RR syntax when used with a known RR type. 2004-05-08 Bob Halley * dns/name.py (from_text): dns.name.from_text() did not raise an exception if a backslash escape ended prematurely. 2004-04-09 Bob Halley * dns/zone.py (_MasterReader._rr_line): The masterfile reader erroneously treated lines starting with leading whitespace but not having any RR definition as an error. It now treats them like a blank line (which is not an error). 2004-04-01 Bob Halley * (Version 1.3.0 released) 2004-03-19 Bob Halley * Added support for new DNSSEC types RRSIG, NSEC, and DNSKEY. 2004-01-16 Bob Halley * dns/query.py (_connect): Windows returns EWOULDBLOCK instead of EINPROGRESS when trying to connect a nonblocking socket. 2003-11-13 Bob Halley * dns/rdtypes/ANY/LOC.py (LOC.to_wire): We encoded and decoded LOC incorrectly, since we were interpreting the values of altitude, size, hprec, and vprec in meters instead of centimeters. * dns/rdtypes/IN/WKS.py (WKS.from_wire): The WKS protocol value is encoded with just one octet, not two! 2003-11-09 Bob Halley * dns/resolver.py (Cache.maybe_clean): The cleaner deleted items from the dictionary while iterating it, causing a RuntimeError to be raised. Thanks to Mark R. Levinson for the bug report, regression test, and fix. 2003-11-07 Bob Halley * (Version 1.2.0 released) 2003-11-03 Bob Halley * dns/zone.py (_MasterReader.read): The saved_state now includes the default TTL. 2003-11-01 Bob Halley * dns/tokenizer.py (Tokenizer.get): The tokenizer didn't handle escaped delimiters. 2003-10-27 Bob Halley * dns/resolver.py (Resolver.read_resolv_conf): If no nameservers are configured in /etc/resolv.conf, the default nameserver list should be ['127.0.0.1']. 2003-09-08 Bob Halley * dns/resolver.py (Resolver._config_win32_fromkey): We didn't catch WindowsError, which can happen if a key is not defined in the registry. 2003-09-06 Bob Halley * (Version 1.2.0b1 released) 2003-09-05 Bob Halley * dns/query.py: Timeout support has been overhauled to provide timeouts under Python 2.2 as well as 2.3, and to provide more accurate expiration. 2003-08-30 Bob Halley * dns/zone.py: dns.exception.SyntaxError is raised for unknown master file directives. 2003-08-28 Bob Halley * dns/zone.py: $INCLUDE processing is now enabled/disabled using the allow_include parameter. The default is to process $INCLUDE for from_file(), and to disallow $INCLUDE for from_text(). The master reader now calls zone.check_origin_node() by default after the zone has been read. find_rdataset() called get_node() instead of find_node(), which result in an incorrect exception. The relativization state of a zone is now remembered and applied consistently when looking up names. from_xfr() now supports relativization like the _MasterReader. 2003-08-22 Bob Halley * dns/zone.py: The _MasterReader now understands $INCLUDE. 2003-08-12 Bob Halley * dns/zone.py: The _MasterReader now specifies the file and line number when a syntax error occurs. The BIND 8 TTL format is now understood when loading a zone, though it will never be emitted. The from_file() function didn't pass the zone_factory parameter to from_text(). 2003-08-10 Bob Halley * (Version 1.1.0 released) 2003-08-07 Bob Halley * dns/update.py (Update._add): A typo meant that _add would fail if the thing being added was an Rdata object (as opposed to an Rdataset or the textual form of an Rdata). 2003-08-05 Bob Halley * dns/set.py: the simple Set class has been moved to its own module, and augmented to support more set operations. 2003-08-04 Bob Halley * Node and all rdata types have been "slotted". This speeds things up a little and reduces memory usage noticeably. 2003-08-02 Bob Halley * (Version 1.1.0c1 released) 2003-08-02 Bob Halley * dns/rdataset.py: SimpleSets now support more set options. * dns/message.py: Added the get_rrset() method. from_file() now allows Unicode filenames and turns on universal newline support if it opens the file itself. * dns/node.py: Added the delete_rdataset() and replace_rdataset() methods. * dns/zone.py: Added the delete_node(), delete_rdataset(), and replace_rdataset() methods. from_file() now allows Unicode filenames and turns on universal newline support if it opens the file itself. Added a to_file() method. 2003-08-01 Bob Halley * dns/opcode.py: Opcode from/to text converters now understand numeric opcodes. The to_text() method will return a numeric opcode string if it doesn't know a text name for the opcode. * dns/message.py: Added set_rcode(). Fixed code where ednsflags wasn't treated as a long. * dns/rcode.py: ednsflags wasn't treated as a long. Rcode from/to text converters now understand numeric rcodes. The to_text() method will return a numeric rcode string if it doesn't know a text name for the rcode. * examples/reverse.py: Added a new example program that builds a reverse (address-to-name) mapping table from the name-to-address mapping specified by A RRs in zone files. * dns/node.py: Added get_rdataset() method. * dns/zone.py: Added get_rdataset() and get_rrset() methods. Added iterate_rdatas(). 2003-07-31 Bob Halley * dns/zone.py: Added the iterate_rdatasets() method which returns a generator which yields (name, rdataset) tuples for all the rdatasets in the zone matching the specified rdatatype. 2003-07-30 Bob Halley * (Version 1.1.0b2 released) 2003-07-30 Bob Halley * dns/zone.py: Added find_rrset() and find_rdataset() convenience methods. They let you retrieve rdata with the specified name and type in one call. * dns/node.py: Nodes no longer have names; owner names are associated with nodes in the Zone object's nodes dictionary. * dns/zone.py: Zone objects now implement more of the standard mapping interface. __iter__ has been changed to iterate the keys rather than values to match the standard mapping interface's behavior. 2003-07-20 Bob Halley * dns/ipv6.py (inet_ntoa): Handle embedded IPv4 addresses. 2003-07-19 Bob Halley * (Version 1.1.0b1 released) 2003-07-18 Bob Halley * dns/tsig.py: The TSIG validation of TCP streams where not every message is signed now works correctly. * dns/zone.py: Zones can now be compared for equality and inequality. If the other object in the comparison is also a zone, then "the right thing" happens; i.e. the zones are equal iff.: they have the same rdclass, origin, and nodes. 2003-07-17 Bob Halley * dns/message.py (Message.use_tsig): The method now allows for greater control over the various fields in the generated signature (e.g. fudge). (_WireReader._get_section): UnknownTSIGKey is now raised if an unknown key is encountered, or if a signed message has no keyring. 2003-07-16 Bob Halley * dns/tokenizer.py (Tokenizer._get_char): get_char and unget_char have been renamed to _get_char and _unget_char since they are not useful to clients of the tokenizer. 2003-07-15 Bob Halley * dns/zone.py (_MasterReader._rr_line): owner names were being unconditionally relativized; it makes much more sense for them to be relativized according to the relativization setting of the reader. 2003-07-12 Bob Halley * dns/resolver.py (Resolver.read_resolv_conf): The resolv.conf parser did not allow blank / whitespace-only lines, nor did it allow comments. Both are now supported. 2003-07-11 Bob Halley * dns/name.py (Name.to_digestable): to_digestable() now requires an origin to be specified if the name is relative. It will raise NeedAbsoluteNameOrOrigin if the name is relative and there is either no origin or the origin is itself relative. (Name.split): returned the wrong answer if depth was 0 or depth was the length of the name. split() now does bounds checking on depth, and raises ValueError if depth < 0 or depth > the length of the name. 2003-07-10 Bob Halley * dns/ipv6.py (inet_ntoa): The routine now minimizes its output strings. E.g. the IPv6 address "0000:0000:0000:0000:0000:0000:0000:0001" is minimized to "::1". We do not, however, make any effort to display embedded IPv4 addresses in the dot-quad notation. 2003-07-09 Bob Halley * dns/inet.py: We now supply our own AF_INET and AF_INET6 constants since AF_INET6 may not always be available. If the socket module has AF_INET6, we will use it. If not, we will use our own value for the constant. * dns/query.py: the functions now take an optional af argument specifying the address family to use when creating the socket. * dns/rdatatype.py (is_metatype): a typo caused the function return true only for type OPT. * dns/message.py: message section list elements are now RRsets instead of Nodes. This API change makes processing messages easier for many applications. 2003-07-07 Bob Halley * dns/rrset.py: added. An RRset is a named rdataset. * dns/rdataset.py (Rdataset.__eq__): rdatasets may now be compared for equality and inequality with other objects. Rdataset instance variables are now slotted. * dns/message.py: The wire format and text format readers are now classes. Variables related to reader state have been moved out of the message class. 2003-07-06 Bob Halley * dns/name.py (from_text): '@' was not interpreted as the empty name. * dns/zone.py: the master file reader derelativized names in rdata relative to the zone's origin, not relative to the current origin. The reader now deals with relativization in two steps. The rdata is read and derelativized using the current origin. The rdata's relativity is then chosen using the zone origin and the relativize boolean. Here's an example. $ORIGIN foo.example. $TTL 300 bar MX 0 blaz If the zone origin is example., and relativization is on, then This fragment will become: bar.foo.example. 300 IN MX 0 blaz.foo.example. after the first step (derelativization to current origin), and bar.foo 300 IN MX 0 blaz.foo after the second step (relativization to zone origin). * dns/namedict.py: added. * dns/zone.py: The master file reader has been made into its own class. Reader-related instance variables have been moved form the zone class into the reader class. * dns/zone.py: Add node_factory class attribute. An application can now subclass Zone and Node and have a zone whose nodes are of the subclassed Node type. The from_text(), from_file(), and from_xfr() algorithms now take an optional zone_factory argument. This allows the algorithms to be used to create zones whose class is a subclass of Zone. 2003-07-04 Bob Halley * dns/renderer.py: added new wire format rendering module and converted message.py to use it. Applications which want fine-grained control over the conversion to wire format may call the renderer directly, instead of having it called on their behalf by the message code. 2003-07-02 Bob Halley * dns/name.py (_validate_labels): The NameTooLong test was incorrect. * dns/message.py (Message.to_wire): dns.exception.TooBig is now raised if the wire encoding exceeds the specified maximum size. 2003-07-01 Bob Halley * dns/message.py: EDNS encoding was broken. from_text() didn't parse rcodes, flags, or eflags correctly. Comparing messages with other types of objects didn't work. 2003-06-30 Bob Halley * (Version 1.0.0 released) 2003-06-30 Bob Halley * dns/rdata.py: Rdatas now implement rich comparisons instead of __cmp__. * dns/name.py: Names now implement rich comparisons instead of __cmp__. * dns/inet.py (inet_ntop): Always use our code, since the code in the socket module doesn't support AF_INET6 conversions if IPv6 sockets are not available on the system. * dns/resolver.py (Answer.__init__): A dangling CNAME chain was not raising NoAnswer. * Added a simple resolver Cache class. * Added an expiration attribute to answer instances. 2003-06-24 Bob Halley * (Version 1.0.0b3 released) 2003-06-24 Bob Halley * Renamed module "DNS" to "dns" to avoid conflicting with PyDNS. 2003-06-23 Bob Halley * The from_text() relativization controls now work the same way as the to_text() controls. * DNS/rdata.py: The parsing of generic rdata was broken. 2003-06-21 Bob Halley * (Version 1.0.0b2 released) 2003-06-21 Bob Halley * The Python 2.2 socket.inet_aton() doesn't seem to like '255.255.255.255'. We work around this. * Fixed bugs in rdata to_wire() and from_wire() routines of a few types. These bugs were discovered by running the tests/zone.py Torture1 test. * Added implementation of type APL. 2003-06-20 Bob Halley * DNS/rdtypes/IN/AAAA.py: Use our own versions of inet_ntop and inet_pton if the socket module doesn't provide them for us. * The resolver now does a better job handling exceptions. In particular, it no longer eats all exceptions; rather it handles those exceptions it understands, and leaves the rest uncaught. * Exceptions have been pulled into their own module. Almost all exceptions raised by the code are now subclasses of DNS.exception.DNSException. All form errors are subclasses of DNS.exception.FormError (which is itself a subclass of DNS.exception.DNSException). 2003-06-19 Bob Halley * Added implementations of types DS, NXT, SIG, and WKS. * __cmp__ for type A and AAAA could produce incorrect results. 2003-06-18 Bob Halley * Started test suites for zone.py and tokenizer.py. * Added implementation of type KEY. * DNS/rdata.py(_base64ify): \n could be emitted erroneously. * DNS/rdtypes/ANY/SOA.py (SOA.from_text): The SOA RNAME field could be set to the value of MNAME in common cases. * DNS/rdtypes/ANY/X25.py: __init__ was broken. * DNS/zone.py (from_text): $TTL handling erroneously caused the next line to be eaten. * DNS/tokenizer.py (Tokenizer.get): parsing was broken for empty quoted strings. Quoted strings didn't handle \ddd escapes. Such escapes are appear not to comply with RFC 1035, but BIND allows them and they seem useful, so we allow them too. * DNS/rdtypes/ANY/ISDN.py (ISDN.from_text): parsing was broken for ISDN RRs without subaddresses. * DNS/zone.py (from_file): from_file() didn't work because some required parameters were not passed to from_text(). 2003-06-17 Bob Halley * (Version 1.0.0b1 released) 2003-06-17 Bob Halley * Added implementation of type PX. 2003-06-16 Bob Halley * Added implementation of types CERT, GPOS, LOC, NSAP, NSAP-PTR. * DNS/rdatatype.py (_by_value): A cut-and-paste error had broken NSAP and NSAP-PTR. 2003-06-12 Bob Halley * Created a tests directory and started adding tests. * Added "and its documentation" to the permission grant in the license. 2003-06-12 Bob Halley * DNS/name.py (Name.is_wild): is_wild() erroneously raised IndexError if the name was empty. 2003-06-10 Bob Halley * Added implementations of types AFSDB, X25, and ISDN. * The documentation associated with the various rdata types has been improved. In particular, instance variables are now described. 2003-06-09 Bob Halley * Added implementations of types HINFO, RP, and RT. * DNS/message.py (make_query): Document that make_query() sets flags to DNS.flags.RD, and chooses a random query id. 2003-06-05 Bob Halley * (Version 1.0.0a2 released) 2003-06-05 Bob Halley * DNS/node.py: removed __getitem__ and __setitem__, since they are not used by the codebase and were not useful in general either. * DNS/message.py (from_file): from_file() now allows a filename to be specified instead of a file object. * DNS/rdataset.py: The is_compatible() method of the DNS.rdataset.Rdataset class was deleted. 2003-06-04 Bob Halley * DNS/name.py (class Name): Names are now immutable. * DNS/name.py: the is_comparable() method has been removed, since names are always comparable. * DNS/resolver.py (Resolver.query): A query could run for up to the lifetime + the timeout. This has been corrected and the query will now only run up to the lifetime. 2003-06-03 Bob Halley * DNS/resolver.py: removed the 'new' function since it is not the style of the library to have such a function. Call DNS.resolver.Resolver() to make a new resolver. 2003-06-03 Bob Halley * DNS/resolver.py (Resolver._config_win32_fromkey): The DhcpServer list is space separated, not comma separated. 2003-06-03 Bob Halley * DNS/update.py: Added an update module to make generating updates easier. 2003-06-03 Bob Halley * Commas were missing in some of the __all__ entries in various __init__.py files. 2003-05-30 Bob Halley * (Version 1.0.0a1 released) dnspython-1.15.0/dns/0000755000076500000240000000000012773500725015021 5ustar halleystaff00000000000000dnspython-1.15.0/dns/__init__.py0000644000076500000240000000245712770261242017135 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009, 2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. """dnspython DNS toolkit""" __all__ = [ 'dnssec', 'e164', 'edns', 'entropy', 'exception', 'flags', 'hash', 'inet', 'ipv4', 'ipv6', 'message', 'name', 'namedict', 'node', 'opcode', 'query', 'rcode', 'rdata', 'rdataclass', 'rdataset', 'rdatatype', 'renderer', 'resolver', 'reversename', 'rrset', 'set', 'tokenizer', 'tsig', 'tsigkeyring', 'ttl', 'rdtypes', 'update', 'version', 'wiredata', 'zone', ] dnspython-1.15.0/dns/_compat.py0000644000076500000240000000244112770261242017011 0ustar halleystaff00000000000000import sys import decimal from decimal import Context if sys.version_info > (3,): long = int xrange = range else: long = long # pylint: disable=long-builtin xrange = xrange # pylint: disable=xrange-builtin # unicode / binary types if sys.version_info > (3,): text_type = str binary_type = bytes string_types = (str,) unichr = chr def maybe_decode(x): return x.decode() def maybe_encode(x): return x.encode() else: text_type = unicode # pylint: disable=unicode-builtin, undefined-variable binary_type = str string_types = ( basestring, # pylint: disable=basestring-builtin, undefined-variable ) unichr = unichr # pylint: disable=unichr-builtin def maybe_decode(x): return x def maybe_encode(x): return x def round_py2_compat(what): """ Python 2 and Python 3 use different rounding strategies in round(). This function ensures that results are python2/3 compatible and backward compatible with previous py2 releases :param what: float :return: rounded long """ d = Context( prec=len(str(long(what))), # round to integer with max precision rounding=decimal.ROUND_HALF_UP ).create_decimal(str(what)) # str(): python 2.6 compat return long(d) dnspython-1.15.0/dns/dnssec.py0000644000076500000240000003470712770261242016660 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009, 2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. """Common DNSSEC-related functions and constants.""" from io import BytesIO import struct import time import dns.exception import dns.hash import dns.name import dns.node import dns.rdataset import dns.rdata import dns.rdatatype import dns.rdataclass from ._compat import string_types class UnsupportedAlgorithm(dns.exception.DNSException): """The DNSSEC algorithm is not supported.""" class ValidationFailure(dns.exception.DNSException): """The DNSSEC signature is invalid.""" RSAMD5 = 1 DH = 2 DSA = 3 ECC = 4 RSASHA1 = 5 DSANSEC3SHA1 = 6 RSASHA1NSEC3SHA1 = 7 RSASHA256 = 8 RSASHA512 = 10 ECDSAP256SHA256 = 13 ECDSAP384SHA384 = 14 INDIRECT = 252 PRIVATEDNS = 253 PRIVATEOID = 254 _algorithm_by_text = { 'RSAMD5': RSAMD5, 'DH': DH, 'DSA': DSA, 'ECC': ECC, 'RSASHA1': RSASHA1, 'DSANSEC3SHA1': DSANSEC3SHA1, 'RSASHA1NSEC3SHA1': RSASHA1NSEC3SHA1, 'RSASHA256': RSASHA256, 'RSASHA512': RSASHA512, 'INDIRECT': INDIRECT, 'ECDSAP256SHA256': ECDSAP256SHA256, 'ECDSAP384SHA384': ECDSAP384SHA384, 'PRIVATEDNS': PRIVATEDNS, 'PRIVATEOID': PRIVATEOID, } # We construct the inverse mapping programmatically to ensure that we # cannot make any mistakes (e.g. omissions, cut-and-paste errors) that # would cause the mapping not to be true inverse. _algorithm_by_value = dict((y, x) for x, y in _algorithm_by_text.items()) def algorithm_from_text(text): """Convert text into a DNSSEC algorithm value @rtype: int""" value = _algorithm_by_text.get(text.upper()) if value is None: value = int(text) return value def algorithm_to_text(value): """Convert a DNSSEC algorithm value to text @rtype: string""" text = _algorithm_by_value.get(value) if text is None: text = str(value) return text def _to_rdata(record, origin): s = BytesIO() record.to_wire(s, origin=origin) return s.getvalue() def key_id(key, origin=None): rdata = _to_rdata(key, origin) rdata = bytearray(rdata) if key.algorithm == RSAMD5: return (rdata[-3] << 8) + rdata[-2] else: total = 0 for i in range(len(rdata) // 2): total += (rdata[2 * i] << 8) + \ rdata[2 * i + 1] if len(rdata) % 2 != 0: total += rdata[len(rdata) - 1] << 8 total += ((total >> 16) & 0xffff) return total & 0xffff def make_ds(name, key, algorithm, origin=None): if algorithm.upper() == 'SHA1': dsalg = 1 hash = dns.hash.hashes['SHA1']() elif algorithm.upper() == 'SHA256': dsalg = 2 hash = dns.hash.hashes['SHA256']() else: raise UnsupportedAlgorithm('unsupported algorithm "%s"' % algorithm) if isinstance(name, string_types): name = dns.name.from_text(name, origin) hash.update(name.canonicalize().to_wire()) hash.update(_to_rdata(key, origin)) digest = hash.digest() dsrdata = struct.pack("!HBB", key_id(key), key.algorithm, dsalg) + digest return dns.rdata.from_wire(dns.rdataclass.IN, dns.rdatatype.DS, dsrdata, 0, len(dsrdata)) def _find_candidate_keys(keys, rrsig): candidate_keys = [] value = keys.get(rrsig.signer) if value is None: return None if isinstance(value, dns.node.Node): try: rdataset = value.find_rdataset(dns.rdataclass.IN, dns.rdatatype.DNSKEY) except KeyError: return None else: rdataset = value for rdata in rdataset: if rdata.algorithm == rrsig.algorithm and \ key_id(rdata) == rrsig.key_tag: candidate_keys.append(rdata) return candidate_keys def _is_rsa(algorithm): return algorithm in (RSAMD5, RSASHA1, RSASHA1NSEC3SHA1, RSASHA256, RSASHA512) def _is_dsa(algorithm): return algorithm in (DSA, DSANSEC3SHA1) def _is_ecdsa(algorithm): return _have_ecdsa and (algorithm in (ECDSAP256SHA256, ECDSAP384SHA384)) def _is_md5(algorithm): return algorithm == RSAMD5 def _is_sha1(algorithm): return algorithm in (DSA, RSASHA1, DSANSEC3SHA1, RSASHA1NSEC3SHA1) def _is_sha256(algorithm): return algorithm in (RSASHA256, ECDSAP256SHA256) def _is_sha384(algorithm): return algorithm == ECDSAP384SHA384 def _is_sha512(algorithm): return algorithm == RSASHA512 def _make_hash(algorithm): if _is_md5(algorithm): return dns.hash.hashes['MD5']() if _is_sha1(algorithm): return dns.hash.hashes['SHA1']() if _is_sha256(algorithm): return dns.hash.hashes['SHA256']() if _is_sha384(algorithm): return dns.hash.hashes['SHA384']() if _is_sha512(algorithm): return dns.hash.hashes['SHA512']() raise ValidationFailure('unknown hash for algorithm %u' % algorithm) def _make_algorithm_id(algorithm): if _is_md5(algorithm): oid = [0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x02, 0x05] elif _is_sha1(algorithm): oid = [0x2b, 0x0e, 0x03, 0x02, 0x1a] elif _is_sha256(algorithm): oid = [0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01] elif _is_sha512(algorithm): oid = [0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x03] else: raise ValidationFailure('unknown algorithm %u' % algorithm) olen = len(oid) dlen = _make_hash(algorithm).digest_size idbytes = [0x30] + [8 + olen + dlen] + \ [0x30, olen + 4] + [0x06, olen] + oid + \ [0x05, 0x00] + [0x04, dlen] return struct.pack('!%dB' % len(idbytes), *idbytes) def _validate_rrsig(rrset, rrsig, keys, origin=None, now=None): """Validate an RRset against a single signature rdata The owner name of the rrsig is assumed to be the same as the owner name of the rrset. @param rrset: The RRset to validate @type rrset: dns.rrset.RRset or (dns.name.Name, dns.rdataset.Rdataset) tuple @param rrsig: The signature rdata @type rrsig: dns.rrset.Rdata @param keys: The key dictionary. @type keys: a dictionary keyed by dns.name.Name with node or rdataset values @param origin: The origin to use for relative names @type origin: dns.name.Name or None @param now: The time to use when validating the signatures. The default is the current time. @type now: int """ if isinstance(origin, string_types): origin = dns.name.from_text(origin, dns.name.root) for candidate_key in _find_candidate_keys(keys, rrsig): if not candidate_key: raise ValidationFailure('unknown key') # For convenience, allow the rrset to be specified as a (name, # rdataset) tuple as well as a proper rrset if isinstance(rrset, tuple): rrname = rrset[0] rdataset = rrset[1] else: rrname = rrset.name rdataset = rrset if now is None: now = time.time() if rrsig.expiration < now: raise ValidationFailure('expired') if rrsig.inception > now: raise ValidationFailure('not yet valid') hash = _make_hash(rrsig.algorithm) if _is_rsa(rrsig.algorithm): keyptr = candidate_key.key (bytes_,) = struct.unpack('!B', keyptr[0:1]) keyptr = keyptr[1:] if bytes_ == 0: (bytes_,) = struct.unpack('!H', keyptr[0:2]) keyptr = keyptr[2:] rsa_e = keyptr[0:bytes_] rsa_n = keyptr[bytes_:] keylen = len(rsa_n) * 8 pubkey = Crypto.PublicKey.RSA.construct( (Crypto.Util.number.bytes_to_long(rsa_n), Crypto.Util.number.bytes_to_long(rsa_e))) sig = (Crypto.Util.number.bytes_to_long(rrsig.signature),) elif _is_dsa(rrsig.algorithm): keyptr = candidate_key.key (t,) = struct.unpack('!B', keyptr[0:1]) keyptr = keyptr[1:] octets = 64 + t * 8 dsa_q = keyptr[0:20] keyptr = keyptr[20:] dsa_p = keyptr[0:octets] keyptr = keyptr[octets:] dsa_g = keyptr[0:octets] keyptr = keyptr[octets:] dsa_y = keyptr[0:octets] pubkey = Crypto.PublicKey.DSA.construct( (Crypto.Util.number.bytes_to_long(dsa_y), Crypto.Util.number.bytes_to_long(dsa_g), Crypto.Util.number.bytes_to_long(dsa_p), Crypto.Util.number.bytes_to_long(dsa_q))) (dsa_r, dsa_s) = struct.unpack('!20s20s', rrsig.signature[1:]) sig = (Crypto.Util.number.bytes_to_long(dsa_r), Crypto.Util.number.bytes_to_long(dsa_s)) elif _is_ecdsa(rrsig.algorithm): if rrsig.algorithm == ECDSAP256SHA256: curve = ecdsa.curves.NIST256p key_len = 32 elif rrsig.algorithm == ECDSAP384SHA384: curve = ecdsa.curves.NIST384p key_len = 48 else: # shouldn't happen raise ValidationFailure('unknown ECDSA curve') keyptr = candidate_key.key x = Crypto.Util.number.bytes_to_long(keyptr[0:key_len]) y = Crypto.Util.number.bytes_to_long(keyptr[key_len:key_len * 2]) assert ecdsa.ecdsa.point_is_valid(curve.generator, x, y) point = ecdsa.ellipticcurve.Point(curve.curve, x, y, curve.order) verifying_key = ecdsa.keys.VerifyingKey.from_public_point(point, curve) pubkey = ECKeyWrapper(verifying_key, key_len) r = rrsig.signature[:key_len] s = rrsig.signature[key_len:] sig = ecdsa.ecdsa.Signature(Crypto.Util.number.bytes_to_long(r), Crypto.Util.number.bytes_to_long(s)) else: raise ValidationFailure('unknown algorithm %u' % rrsig.algorithm) hash.update(_to_rdata(rrsig, origin)[:18]) hash.update(rrsig.signer.to_digestable(origin)) if rrsig.labels < len(rrname) - 1: suffix = rrname.split(rrsig.labels + 1)[1] rrname = dns.name.from_text('*', suffix) rrnamebuf = rrname.to_digestable(origin) rrfixed = struct.pack('!HHI', rdataset.rdtype, rdataset.rdclass, rrsig.original_ttl) rrlist = sorted(rdataset) for rr in rrlist: hash.update(rrnamebuf) hash.update(rrfixed) rrdata = rr.to_digestable(origin) rrlen = struct.pack('!H', len(rrdata)) hash.update(rrlen) hash.update(rrdata) digest = hash.digest() if _is_rsa(rrsig.algorithm): # PKCS1 algorithm identifier goop digest = _make_algorithm_id(rrsig.algorithm) + digest padlen = keylen // 8 - len(digest) - 3 digest = struct.pack('!%dB' % (2 + padlen + 1), *([0, 1] + [0xFF] * padlen + [0])) + digest elif _is_dsa(rrsig.algorithm) or _is_ecdsa(rrsig.algorithm): pass else: # Raise here for code clarity; this won't actually ever happen # since if the algorithm is really unknown we'd already have # raised an exception above raise ValidationFailure('unknown algorithm %u' % rrsig.algorithm) if pubkey.verify(digest, sig): return raise ValidationFailure('verify failure') def _validate(rrset, rrsigset, keys, origin=None, now=None): """Validate an RRset @param rrset: The RRset to validate @type rrset: dns.rrset.RRset or (dns.name.Name, dns.rdataset.Rdataset) tuple @param rrsigset: The signature RRset @type rrsigset: dns.rrset.RRset or (dns.name.Name, dns.rdataset.Rdataset) tuple @param keys: The key dictionary. @type keys: a dictionary keyed by dns.name.Name with node or rdataset values @param origin: The origin to use for relative names @type origin: dns.name.Name or None @param now: The time to use when validating the signatures. The default is the current time. @type now: int """ if isinstance(origin, string_types): origin = dns.name.from_text(origin, dns.name.root) if isinstance(rrset, tuple): rrname = rrset[0] else: rrname = rrset.name if isinstance(rrsigset, tuple): rrsigname = rrsigset[0] rrsigrdataset = rrsigset[1] else: rrsigname = rrsigset.name rrsigrdataset = rrsigset rrname = rrname.choose_relativity(origin) rrsigname = rrname.choose_relativity(origin) if rrname != rrsigname: raise ValidationFailure("owner names do not match") for rrsig in rrsigrdataset: try: _validate_rrsig(rrset, rrsig, keys, origin, now) return except ValidationFailure: pass raise ValidationFailure("no RRSIGs validated") def _need_pycrypto(*args, **kwargs): raise NotImplementedError("DNSSEC validation requires pycrypto") try: import Crypto.PublicKey.RSA import Crypto.PublicKey.DSA import Crypto.Util.number validate = _validate validate_rrsig = _validate_rrsig _have_pycrypto = True except ImportError: validate = _need_pycrypto validate_rrsig = _need_pycrypto _have_pycrypto = False try: import ecdsa import ecdsa.ecdsa import ecdsa.ellipticcurve import ecdsa.keys _have_ecdsa = True class ECKeyWrapper(object): def __init__(self, key, key_len): self.key = key self.key_len = key_len def verify(self, digest, sig): diglong = Crypto.Util.number.bytes_to_long(digest) return self.key.pubkey.verifies(diglong, sig) except ImportError: _have_ecdsa = False dnspython-1.15.0/dns/e164.py0000644000076500000240000000611312770261242016046 0ustar halleystaff00000000000000# Copyright (C) 2006, 2007, 2009, 2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. """DNS E.164 helpers @var public_enum_domain: The DNS public ENUM domain, e164.arpa. @type public_enum_domain: dns.name.Name object """ import dns.exception import dns.name import dns.resolver from ._compat import string_types public_enum_domain = dns.name.from_text('e164.arpa.') def from_e164(text, origin=public_enum_domain): """Convert an E.164 number in textual form into a Name object whose value is the ENUM domain name for that number. @param text: an E.164 number in textual form. @type text: str @param origin: The domain in which the number should be constructed. The default is e164.arpa. @type origin: dns.name.Name object or None @rtype: dns.name.Name object """ parts = [d for d in text if d.isdigit()] parts.reverse() return dns.name.from_text('.'.join(parts), origin=origin) def to_e164(name, origin=public_enum_domain, want_plus_prefix=True): """Convert an ENUM domain name into an E.164 number. @param name: the ENUM domain name. @type name: dns.name.Name object. @param origin: A domain containing the ENUM domain name. The name is relativized to this domain before being converted to text. @type origin: dns.name.Name object or None @param want_plus_prefix: if True, add a '+' to the beginning of the returned number. @rtype: str """ if origin is not None: name = name.relativize(origin) dlabels = [d for d in name.labels if d.isdigit() and len(d) == 1] if len(dlabels) != len(name.labels): raise dns.exception.SyntaxError('non-digit labels in ENUM domain name') dlabels.reverse() text = b''.join(dlabels) if want_plus_prefix: text = b'+' + text return text def query(number, domains, resolver=None): """Look for NAPTR RRs for the specified number in the specified domains. e.g. lookup('16505551212', ['e164.dnspython.org.', 'e164.arpa.']) """ if resolver is None: resolver = dns.resolver.get_default_resolver() e_nx = dns.resolver.NXDOMAIN() for domain in domains: if isinstance(domain, string_types): domain = dns.name.from_text(domain) qname = dns.e164.from_e164(number, domain) try: return resolver.query(qname, 'NAPTR') except dns.resolver.NXDOMAIN as e: e_nx += e raise e_nx dnspython-1.15.0/dns/edns.py0000644000076500000240000001044012770261242016316 0ustar halleystaff00000000000000# Copyright (C) 2009, 2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. """EDNS Options""" NSID = 3 class Option(object): """Base class for all EDNS option types. """ def __init__(self, otype): """Initialize an option. @param otype: The rdata type @type otype: int """ self.otype = otype def to_wire(self, file): """Convert an option to wire format. """ raise NotImplementedError @classmethod def from_wire(cls, otype, wire, current, olen): """Build an EDNS option object from wire format @param otype: The option type @type otype: int @param wire: The wire-format message @type wire: string @param current: The offset in wire of the beginning of the rdata. @type current: int @param olen: The length of the wire-format option data @type olen: int @rtype: dns.edns.Option instance""" raise NotImplementedError def _cmp(self, other): """Compare an EDNS option with another option of the same type. Return < 0 if self < other, 0 if self == other, and > 0 if self > other. """ raise NotImplementedError def __eq__(self, other): if not isinstance(other, Option): return False if self.otype != other.otype: return False return self._cmp(other) == 0 def __ne__(self, other): if not isinstance(other, Option): return False if self.otype != other.otype: return False return self._cmp(other) != 0 def __lt__(self, other): if not isinstance(other, Option) or \ self.otype != other.otype: return NotImplemented return self._cmp(other) < 0 def __le__(self, other): if not isinstance(other, Option) or \ self.otype != other.otype: return NotImplemented return self._cmp(other) <= 0 def __ge__(self, other): if not isinstance(other, Option) or \ self.otype != other.otype: return NotImplemented return self._cmp(other) >= 0 def __gt__(self, other): if not isinstance(other, Option) or \ self.otype != other.otype: return NotImplemented return self._cmp(other) > 0 class GenericOption(Option): """Generate Rdata Class This class is used for EDNS option types for which we have no better implementation. """ def __init__(self, otype, data): super(GenericOption, self).__init__(otype) self.data = data def to_wire(self, file): file.write(self.data) @classmethod def from_wire(cls, otype, wire, current, olen): return cls(otype, wire[current: current + olen]) def _cmp(self, other): if self.data == other.data: return 0 if self.data > other.data: return 1 return -1 _type_to_class = { } def get_option_class(otype): cls = _type_to_class.get(otype) if cls is None: cls = GenericOption return cls def option_from_wire(otype, wire, current, olen): """Build an EDNS option object from wire format @param otype: The option type @type otype: int @param wire: The wire-format message @type wire: string @param current: The offset in wire of the beginning of the rdata. @type current: int @param olen: The length of the wire-format option data @type olen: int @rtype: dns.edns.Option instance""" cls = get_option_class(otype) return cls.from_wire(otype, wire, current, olen) dnspython-1.15.0/dns/entropy.py0000644000076500000240000001056112770261242017071 0ustar halleystaff00000000000000# Copyright (C) 2009, 2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. import os import random import time from ._compat import long, binary_type try: import threading as _threading except ImportError: import dummy_threading as _threading class EntropyPool(object): def __init__(self, seed=None): self.pool_index = 0 self.digest = None self.next_byte = 0 self.lock = _threading.Lock() try: import hashlib self.hash = hashlib.sha1() self.hash_len = 20 except ImportError: try: import sha self.hash = sha.new() self.hash_len = 20 except ImportError: import md5 # pylint: disable=import-error self.hash = md5.new() self.hash_len = 16 self.pool = bytearray(b'\0' * self.hash_len) if seed is not None: self.stir(bytearray(seed)) self.seeded = True self.seed_pid = os.getpid() else: self.seeded = False self.seed_pid = 0 def stir(self, entropy, already_locked=False): if not already_locked: self.lock.acquire() try: for c in entropy: if self.pool_index == self.hash_len: self.pool_index = 0 b = c & 0xff self.pool[self.pool_index] ^= b self.pool_index += 1 finally: if not already_locked: self.lock.release() def _maybe_seed(self): if not self.seeded or self.seed_pid != os.getpid(): try: seed = os.urandom(16) except Exception: try: r = open('/dev/urandom', 'rb', 0) try: seed = r.read(16) finally: r.close() except Exception: seed = str(time.time()) self.seeded = True self.seed_pid = os.getpid() self.digest = None seed = bytearray(seed) self.stir(seed, True) def random_8(self): self.lock.acquire() try: self._maybe_seed() if self.digest is None or self.next_byte == self.hash_len: self.hash.update(binary_type(self.pool)) self.digest = bytearray(self.hash.digest()) self.stir(self.digest, True) self.next_byte = 0 value = self.digest[self.next_byte] self.next_byte += 1 finally: self.lock.release() return value def random_16(self): return self.random_8() * 256 + self.random_8() def random_32(self): return self.random_16() * 65536 + self.random_16() def random_between(self, first, last): size = last - first + 1 if size > long(4294967296): raise ValueError('too big') if size > 65536: rand = self.random_32 max = long(4294967295) elif size > 256: rand = self.random_16 max = 65535 else: rand = self.random_8 max = 255 return first + size * rand() // (max + 1) pool = EntropyPool() try: system_random = random.SystemRandom() except Exception: system_random = None def random_16(): if system_random is not None: return system_random.randrange(0, 65536) else: return pool.random_16() def between(first, last): if system_random is not None: return system_random.randrange(first, last + 1) else: return pool.random_between(first, last) dnspython-1.15.0/dns/exception.py0000644000076500000240000001102212770305144017360 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. """Common DNS Exceptions.""" class DNSException(Exception): """Abstract base class shared by all dnspython exceptions. It supports two basic modes of operation: a) Old/compatible mode is used if __init__ was called with empty **kwargs. In compatible mode all *args are passed to standard Python Exception class as before and all *args are printed by standard __str__ implementation. Class variable msg (or doc string if msg is None) is returned from str() if *args is empty. b) New/parametrized mode is used if __init__ was called with non-empty **kwargs. In the new mode *args has to be empty and all kwargs has to exactly match set in class variable self.supp_kwargs. All kwargs are stored inside self.kwargs and used in new __str__ implementation to construct formatted message based on self.fmt string. In the simplest case it is enough to override supp_kwargs and fmt class variables to get nice parametrized messages. """ msg = None # non-parametrized message supp_kwargs = set() # accepted parameters for _fmt_kwargs (sanity check) fmt = None # message parametrized with results from _fmt_kwargs def __init__(self, *args, **kwargs): self._check_params(*args, **kwargs) if kwargs: self.kwargs = self._check_kwargs(**kwargs) self.msg = str(self) else: self.kwargs = dict() # defined but empty for old mode exceptions if self.msg is None: # doc string is better implicit message than empty string self.msg = self.__doc__ if args: super(DNSException, self).__init__(*args) else: super(DNSException, self).__init__(self.msg) def _check_params(self, *args, **kwargs): """Old exceptions supported only args and not kwargs. For sanity we do not allow to mix old and new behavior.""" if args or kwargs: assert bool(args) != bool(kwargs), \ 'keyword arguments are mutually exclusive with positional args' def _check_kwargs(self, **kwargs): if kwargs: assert set(kwargs.keys()) == self.supp_kwargs, \ 'following set of keyword args is required: %s' % ( self.supp_kwargs) return kwargs def _fmt_kwargs(self, **kwargs): """Format kwargs before printing them. Resulting dictionary has to have keys necessary for str.format call on fmt class variable. """ fmtargs = {} for kw, data in kwargs.items(): if isinstance(data, (list, set)): # convert list of to list of str() fmtargs[kw] = list(map(str, data)) if len(fmtargs[kw]) == 1: # remove list brackets [] from single-item lists fmtargs[kw] = fmtargs[kw].pop() else: fmtargs[kw] = data return fmtargs def __str__(self): if self.kwargs and self.fmt: # provide custom message constructed from keyword arguments fmtargs = self._fmt_kwargs(**self.kwargs) return self.fmt.format(**fmtargs) else: # print *args directly in the same way as old DNSException return super(DNSException, self).__str__() class FormError(DNSException): """DNS message is malformed.""" class SyntaxError(DNSException): """Text input is malformed.""" class UnexpectedEnd(SyntaxError): """Text input ended unexpectedly.""" class TooBig(DNSException): """The DNS message is too big.""" class Timeout(DNSException): """The DNS operation timed out.""" supp_kwargs = set(['timeout']) fmt = "The DNS operation timed out after {timeout} seconds" dnspython-1.15.0/dns/flags.py0000644000076500000240000000515012770261242016463 0ustar halleystaff00000000000000# Copyright (C) 2001-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. """DNS Message Flags.""" # Standard DNS flags QR = 0x8000 AA = 0x0400 TC = 0x0200 RD = 0x0100 RA = 0x0080 AD = 0x0020 CD = 0x0010 # EDNS flags DO = 0x8000 _by_text = { 'QR': QR, 'AA': AA, 'TC': TC, 'RD': RD, 'RA': RA, 'AD': AD, 'CD': CD } _edns_by_text = { 'DO': DO } # We construct the inverse mappings programmatically to ensure that we # cannot make any mistakes (e.g. omissions, cut-and-paste errors) that # would cause the mappings not to be true inverses. _by_value = dict((y, x) for x, y in _by_text.items()) _edns_by_value = dict((y, x) for x, y in _edns_by_text.items()) def _order_flags(table): order = list(table.items()) order.sort() order.reverse() return order _flags_order = _order_flags(_by_value) _edns_flags_order = _order_flags(_edns_by_value) def _from_text(text, table): flags = 0 tokens = text.split() for t in tokens: flags = flags | table[t.upper()] return flags def _to_text(flags, table, order): text_flags = [] for k, v in order: if flags & k != 0: text_flags.append(v) return ' '.join(text_flags) def from_text(text): """Convert a space-separated list of flag text values into a flags value. @rtype: int""" return _from_text(text, _by_text) def to_text(flags): """Convert a flags value into a space-separated list of flag text values. @rtype: string""" return _to_text(flags, _by_value, _flags_order) def edns_from_text(text): """Convert a space-separated list of EDNS flag text values into a EDNS flags value. @rtype: int""" return _from_text(text, _edns_by_text) def edns_to_text(flags): """Convert an EDNS flags value into a space-separated list of EDNS flag text values. @rtype: string""" return _to_text(flags, _edns_by_value, _edns_flags_order) dnspython-1.15.0/dns/grange.py0000644000076500000240000000366512770261242016643 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. """DNS GENERATE range conversion.""" import dns def from_text(text): """Convert the text form of a range in a GENERATE statement to an integer. @param text: the textual range @type text: string @return: The start, stop and step values. @rtype: tuple """ # TODO, figure out the bounds on start, stop and step. step = 1 cur = '' state = 0 # state 0 1 2 3 4 # x - y / z if text and text[0] == '-': raise dns.exception.SyntaxError("Start cannot be a negative number") for c in text: if c == '-' and state == 0: start = int(cur) cur = '' state = 2 elif c == '/': stop = int(cur) cur = '' state = 4 elif c.isdigit(): cur += c else: raise dns.exception.SyntaxError("Could not parse %s" % (c)) if state in (1, 3): raise dns.exception.SyntaxError() if state == 2: stop = int(cur) if state == 4: step = int(cur) assert step >= 1 assert start >= 0 assert start <= stop # TODO, can start == stop? return (start, stop, step) dnspython-1.15.0/dns/hash.py0000644000076500000240000000211412770261242016307 0ustar halleystaff00000000000000# Copyright (C) 2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. """Hashing backwards compatibility wrapper""" import hashlib hashes = {} hashes['MD5'] = hashlib.md5 hashes['SHA1'] = hashlib.sha1 hashes['SHA224'] = hashlib.sha224 hashes['SHA256'] = hashlib.sha256 hashes['SHA384'] = hashlib.sha384 hashes['SHA512'] = hashlib.sha512 def get(algorithm): return hashes[algorithm.upper()] dnspython-1.15.0/dns/inet.py0000644000076500000240000000625212770261242016332 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. """Generic Internet address helper functions.""" import socket import dns.ipv4 import dns.ipv6 # We assume that AF_INET is always defined. AF_INET = socket.AF_INET # AF_INET6 might not be defined in the socket module, but we need it. # We'll try to use the socket module's value, and if it doesn't work, # we'll use our own value. try: AF_INET6 = socket.AF_INET6 except AttributeError: AF_INET6 = 9999 def inet_pton(family, text): """Convert the textual form of a network address into its binary form. @param family: the address family @type family: int @param text: the textual address @type text: string @raises NotImplementedError: the address family specified is not implemented. @rtype: string """ if family == AF_INET: return dns.ipv4.inet_aton(text) elif family == AF_INET6: return dns.ipv6.inet_aton(text) else: raise NotImplementedError def inet_ntop(family, address): """Convert the binary form of a network address into its textual form. @param family: the address family @type family: int @param address: the binary address @type address: string @raises NotImplementedError: the address family specified is not implemented. @rtype: string """ if family == AF_INET: return dns.ipv4.inet_ntoa(address) elif family == AF_INET6: return dns.ipv6.inet_ntoa(address) else: raise NotImplementedError def af_for_address(text): """Determine the address family of a textual-form network address. @param text: the textual address @type text: string @raises ValueError: the address family cannot be determined from the input. @rtype: int """ try: dns.ipv4.inet_aton(text) return AF_INET except Exception: try: dns.ipv6.inet_aton(text) return AF_INET6 except: raise ValueError def is_multicast(text): """Is the textual-form network address a multicast address? @param text: the textual address @raises ValueError: the address family cannot be determined from the input. @rtype: bool """ try: first = ord(dns.ipv4.inet_aton(text)[0]) return first >= 224 and first <= 239 except Exception: try: first = ord(dns.ipv6.inet_aton(text)[0]) return first == 255 except Exception: raise ValueError dnspython-1.15.0/dns/ipv4.py0000644000076500000240000000375712770261242016264 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. """IPv4 helper functions.""" import struct import dns.exception from ._compat import binary_type def inet_ntoa(address): """Convert an IPv4 address in network form to text form. @param address: The IPv4 address @type address: string @returns: string """ if len(address) != 4: raise dns.exception.SyntaxError if not isinstance(address, bytearray): address = bytearray(address) return (u'%u.%u.%u.%u' % (address[0], address[1], address[2], address[3])).encode() def inet_aton(text): """Convert an IPv4 address in text form to network form. @param text: The IPv4 address @type text: string @returns: string """ if not isinstance(text, binary_type): text = text.encode() parts = text.split(b'.') if len(parts) != 4: raise dns.exception.SyntaxError for part in parts: if not part.isdigit(): raise dns.exception.SyntaxError if len(part) > 1 and part[0] == '0': # No leading zeros raise dns.exception.SyntaxError try: bytes = [int(part) for part in parts] return struct.pack('BBBB', *bytes) except: raise dns.exception.SyntaxError dnspython-1.15.0/dns/ipv6.py0000644000076500000240000001225512770261242016257 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. """IPv6 helper functions.""" import re import binascii import dns.exception import dns.ipv4 from ._compat import xrange, binary_type, maybe_decode _leading_zero = re.compile(b'0+([0-9a-f]+)') def inet_ntoa(address): """Convert a network format IPv6 address into text. @param address: the binary address @type address: string @rtype: string @raises ValueError: the address isn't 16 bytes long """ if len(address) != 16: raise ValueError("IPv6 addresses are 16 bytes long") hex = binascii.hexlify(address) chunks = [] i = 0 l = len(hex) while i < l: chunk = hex[i : i + 4] # strip leading zeros. we do this with an re instead of # with lstrip() because lstrip() didn't support chars until # python 2.2.2 m = _leading_zero.match(chunk) if not m is None: chunk = m.group(1) chunks.append(chunk) i += 4 # # Compress the longest subsequence of 0-value chunks to :: # best_start = 0 best_len = 0 start = -1 last_was_zero = False for i in xrange(8): if chunks[i] != b'0': if last_was_zero: end = i current_len = end - start if current_len > best_len: best_start = start best_len = current_len last_was_zero = False elif not last_was_zero: start = i last_was_zero = True if last_was_zero: end = 8 current_len = end - start if current_len > best_len: best_start = start best_len = current_len if best_len > 1: if best_start == 0 and \ (best_len == 6 or best_len == 5 and chunks[5] == b'ffff'): # We have an embedded IPv4 address if best_len == 6: prefix = b'::' else: prefix = b'::ffff:' hex = prefix + dns.ipv4.inet_ntoa(address[12:]) else: hex = b':'.join(chunks[:best_start]) + b'::' + \ b':'.join(chunks[best_start + best_len:]) else: hex = b':'.join(chunks) return maybe_decode(hex) _v4_ending = re.compile(b'(.*):(\d+\.\d+\.\d+\.\d+)$') _colon_colon_start = re.compile(b'::.*') _colon_colon_end = re.compile(b'.*::$') def inet_aton(text): """Convert a text format IPv6 address into network format. @param text: the textual address @type text: string @rtype: string @raises dns.exception.SyntaxError: the text was not properly formatted """ # # Our aim here is not something fast; we just want something that works. # if not isinstance(text, binary_type): text = text.encode() if text == b'::': text = b'0::' # # Get rid of the icky dot-quad syntax if we have it. # m = _v4_ending.match(text) if not m is None: b = bytearray(dns.ipv4.inet_aton(m.group(2))) text = (u"%s:%02x%02x:%02x%02x" % (m.group(1).decode(), b[0], b[1], b[2], b[3])).encode() # # Try to turn '::' into ':'; if no match try to # turn '::' into ':' # m = _colon_colon_start.match(text) if not m is None: text = text[1:] else: m = _colon_colon_end.match(text) if not m is None: text = text[:-1] # # Now canonicalize into 8 chunks of 4 hex digits each # chunks = text.split(b':') l = len(chunks) if l > 8: raise dns.exception.SyntaxError seen_empty = False canonical = [] for c in chunks: if c == b'': if seen_empty: raise dns.exception.SyntaxError seen_empty = True for i in xrange(0, 8 - l + 1): canonical.append(b'0000') else: lc = len(c) if lc > 4: raise dns.exception.SyntaxError if lc != 4: c = (b'0' * (4 - lc)) + c canonical.append(c) if l < 8 and not seen_empty: raise dns.exception.SyntaxError text = b''.join(canonical) # # Finally we can go to binary. # try: return binascii.unhexlify(text) except (binascii.Error, TypeError): raise dns.exception.SyntaxError _mapped_prefix = b'\x00' * 10 + b'\xff\xff' def is_mapped(address): return address.startswith(_mapped_prefix) dnspython-1.15.0/dns/message.py0000644000076500000240000012417112772240352017021 0ustar halleystaff00000000000000# Copyright (C) 2001-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. """DNS Messages""" from __future__ import absolute_import from io import StringIO import struct import time import dns.edns import dns.exception import dns.flags import dns.name import dns.opcode import dns.entropy import dns.rcode import dns.rdata import dns.rdataclass import dns.rdatatype import dns.rrset import dns.renderer import dns.tsig import dns.wiredata from ._compat import long, xrange, string_types class ShortHeader(dns.exception.FormError): """The DNS packet passed to from_wire() is too short.""" class TrailingJunk(dns.exception.FormError): """The DNS packet passed to from_wire() has extra junk at the end of it.""" class UnknownHeaderField(dns.exception.DNSException): """The header field name was not recognized when converting from text into a message.""" class BadEDNS(dns.exception.FormError): """OPT record occurred somewhere other than the start of the additional data section.""" class BadTSIG(dns.exception.FormError): """A TSIG record occurred somewhere other than the end of the additional data section.""" class UnknownTSIGKey(dns.exception.DNSException): """A TSIG with an unknown key was received.""" class Message(object): """A DNS message. @ivar id: The query id; the default is a randomly chosen id. @type id: int @ivar flags: The DNS flags of the message. @see: RFC 1035 for an explanation of these flags. @type flags: int @ivar question: The question section. @type question: list of dns.rrset.RRset objects @ivar answer: The answer section. @type answer: list of dns.rrset.RRset objects @ivar authority: The authority section. @type authority: list of dns.rrset.RRset objects @ivar additional: The additional data section. @type additional: list of dns.rrset.RRset objects @ivar edns: The EDNS level to use. The default is -1, no Edns. @type edns: int @ivar ednsflags: The EDNS flags @type ednsflags: long @ivar payload: The EDNS payload size. The default is 0. @type payload: int @ivar options: The EDNS options @type options: list of dns.edns.Option objects @ivar request_payload: The associated request's EDNS payload size. @type request_payload: int @ivar keyring: The TSIG keyring to use. The default is None. @type keyring: dict @ivar keyname: The TSIG keyname to use. The default is None. @type keyname: dns.name.Name object @ivar keyalgorithm: The TSIG algorithm to use; defaults to dns.tsig.default_algorithm. Constants for TSIG algorithms are defined in dns.tsig, and the currently implemented algorithms are HMAC_MD5, HMAC_SHA1, HMAC_SHA224, HMAC_SHA256, HMAC_SHA384, and HMAC_SHA512. @type keyalgorithm: string @ivar request_mac: The TSIG MAC of the request message associated with this message; used when validating TSIG signatures. @see: RFC 2845 for more information on TSIG fields. @type request_mac: string @ivar fudge: TSIG time fudge; default is 300 seconds. @type fudge: int @ivar original_id: TSIG original id; defaults to the message's id @type original_id: int @ivar tsig_error: TSIG error code; default is 0. @type tsig_error: int @ivar other_data: TSIG other data. @type other_data: string @ivar mac: The TSIG MAC for this message. @type mac: string @ivar xfr: Is the message being used to contain the results of a DNS zone transfer? The default is False. @type xfr: bool @ivar origin: The origin of the zone in messages which are used for zone transfers or for DNS dynamic updates. The default is None. @type origin: dns.name.Name object @ivar tsig_ctx: The TSIG signature context associated with this message. The default is None. @type tsig_ctx: hmac.HMAC object @ivar had_tsig: Did the message decoded from wire format have a TSIG signature? @type had_tsig: bool @ivar multi: Is this message part of a multi-message sequence? The default is false. This variable is used when validating TSIG signatures on messages which are part of a zone transfer. @type multi: bool @ivar first: Is this message standalone, or the first of a multi message sequence? This variable is used when validating TSIG signatures on messages which are part of a zone transfer. @type first: bool @ivar index: An index of rrsets in the message. The index key is (section, name, rdclass, rdtype, covers, deleting). Indexing can be disabled by setting the index to None. @type index: dict """ def __init__(self, id=None): if id is None: self.id = dns.entropy.random_16() else: self.id = id self.flags = 0 self.question = [] self.answer = [] self.authority = [] self.additional = [] self.edns = -1 self.ednsflags = 0 self.payload = 0 self.options = [] self.request_payload = 0 self.keyring = None self.keyname = None self.keyalgorithm = dns.tsig.default_algorithm self.request_mac = '' self.other_data = '' self.tsig_error = 0 self.fudge = 300 self.original_id = self.id self.mac = '' self.xfr = False self.origin = None self.tsig_ctx = None self.had_tsig = False self.multi = False self.first = True self.index = {} def __repr__(self): return '' def __str__(self): return self.to_text() def to_text(self, origin=None, relativize=True, **kw): """Convert the message to text. The I{origin}, I{relativize}, and any other keyword arguments are passed to the rrset to_wire() method. @rtype: string """ s = StringIO() s.write(u'id %d\n' % self.id) s.write(u'opcode %s\n' % dns.opcode.to_text(dns.opcode.from_flags(self.flags))) rc = dns.rcode.from_flags(self.flags, self.ednsflags) s.write(u'rcode %s\n' % dns.rcode.to_text(rc)) s.write(u'flags %s\n' % dns.flags.to_text(self.flags)) if self.edns >= 0: s.write(u'edns %s\n' % self.edns) if self.ednsflags != 0: s.write(u'eflags %s\n' % dns.flags.edns_to_text(self.ednsflags)) s.write(u'payload %d\n' % self.payload) is_update = dns.opcode.is_update(self.flags) if is_update: s.write(u';ZONE\n') else: s.write(u';QUESTION\n') for rrset in self.question: s.write(rrset.to_text(origin, relativize, **kw)) s.write(u'\n') if is_update: s.write(u';PREREQ\n') else: s.write(u';ANSWER\n') for rrset in self.answer: s.write(rrset.to_text(origin, relativize, **kw)) s.write(u'\n') if is_update: s.write(u';UPDATE\n') else: s.write(u';AUTHORITY\n') for rrset in self.authority: s.write(rrset.to_text(origin, relativize, **kw)) s.write(u'\n') s.write(u';ADDITIONAL\n') for rrset in self.additional: s.write(rrset.to_text(origin, relativize, **kw)) s.write(u'\n') # # We strip off the final \n so the caller can print the result without # doing weird things to get around eccentricities in Python print # formatting # return s.getvalue()[:-1] def __eq__(self, other): """Two messages are equal if they have the same content in the header, question, answer, and authority sections. @rtype: bool""" if not isinstance(other, Message): return False if self.id != other.id: return False if self.flags != other.flags: return False for n in self.question: if n not in other.question: return False for n in other.question: if n not in self.question: return False for n in self.answer: if n not in other.answer: return False for n in other.answer: if n not in self.answer: return False for n in self.authority: if n not in other.authority: return False for n in other.authority: if n not in self.authority: return False return True def __ne__(self, other): """Are two messages not equal? @rtype: bool""" return not self.__eq__(other) def is_response(self, other): """Is other a response to self? @rtype: bool""" if other.flags & dns.flags.QR == 0 or \ self.id != other.id or \ dns.opcode.from_flags(self.flags) != \ dns.opcode.from_flags(other.flags): return False if dns.rcode.from_flags(other.flags, other.ednsflags) != \ dns.rcode.NOERROR: return True if dns.opcode.is_update(self.flags): return True for n in self.question: if n not in other.question: return False for n in other.question: if n not in self.question: return False return True def section_number(self, section): if section is self.question: return 0 elif section is self.answer: return 1 elif section is self.authority: return 2 elif section is self.additional: return 3 else: raise ValueError('unknown section') def find_rrset(self, section, name, rdclass, rdtype, covers=dns.rdatatype.NONE, deleting=None, create=False, force_unique=False): """Find the RRset with the given attributes in the specified section. @param section: the section of the message to look in, e.g. self.answer. @type section: list of dns.rrset.RRset objects @param name: the name of the RRset @type name: dns.name.Name object @param rdclass: the class of the RRset @type rdclass: int @param rdtype: the type of the RRset @type rdtype: int @param covers: the covers value of the RRset @type covers: int @param deleting: the deleting value of the RRset @type deleting: int @param create: If True, create the RRset if it is not found. The created RRset is appended to I{section}. @type create: bool @param force_unique: If True and create is also True, create a new RRset regardless of whether a matching RRset exists already. @type force_unique: bool @raises KeyError: the RRset was not found and create was False @rtype: dns.rrset.RRset object""" key = (self.section_number(section), name, rdclass, rdtype, covers, deleting) if not force_unique: if self.index is not None: rrset = self.index.get(key) if rrset is not None: return rrset else: for rrset in section: if rrset.match(name, rdclass, rdtype, covers, deleting): return rrset if not create: raise KeyError rrset = dns.rrset.RRset(name, rdclass, rdtype, covers, deleting) section.append(rrset) if self.index is not None: self.index[key] = rrset return rrset def get_rrset(self, section, name, rdclass, rdtype, covers=dns.rdatatype.NONE, deleting=None, create=False, force_unique=False): """Get the RRset with the given attributes in the specified section. If the RRset is not found, None is returned. @param section: the section of the message to look in, e.g. self.answer. @type section: list of dns.rrset.RRset objects @param name: the name of the RRset @type name: dns.name.Name object @param rdclass: the class of the RRset @type rdclass: int @param rdtype: the type of the RRset @type rdtype: int @param covers: the covers value of the RRset @type covers: int @param deleting: the deleting value of the RRset @type deleting: int @param create: If True, create the RRset if it is not found. The created RRset is appended to I{section}. @type create: bool @param force_unique: If True and create is also True, create a new RRset regardless of whether a matching RRset exists already. @type force_unique: bool @rtype: dns.rrset.RRset object or None""" try: rrset = self.find_rrset(section, name, rdclass, rdtype, covers, deleting, create, force_unique) except KeyError: rrset = None return rrset def to_wire(self, origin=None, max_size=0, **kw): """Return a string containing the message in DNS compressed wire format. Additional keyword arguments are passed to the rrset to_wire() method. @param origin: The origin to be appended to any relative names. @type origin: dns.name.Name object @param max_size: The maximum size of the wire format output; default is 0, which means 'the message's request payload, if nonzero, or 65536'. @type max_size: int @raises dns.exception.TooBig: max_size was exceeded @rtype: string """ if max_size == 0: if self.request_payload != 0: max_size = self.request_payload else: max_size = 65535 if max_size < 512: max_size = 512 elif max_size > 65535: max_size = 65535 r = dns.renderer.Renderer(self.id, self.flags, max_size, origin) for rrset in self.question: r.add_question(rrset.name, rrset.rdtype, rrset.rdclass) for rrset in self.answer: r.add_rrset(dns.renderer.ANSWER, rrset, **kw) for rrset in self.authority: r.add_rrset(dns.renderer.AUTHORITY, rrset, **kw) if self.edns >= 0: r.add_edns(self.edns, self.ednsflags, self.payload, self.options) for rrset in self.additional: r.add_rrset(dns.renderer.ADDITIONAL, rrset, **kw) r.write_header() if self.keyname is not None: r.add_tsig(self.keyname, self.keyring[self.keyname], self.fudge, self.original_id, self.tsig_error, self.other_data, self.request_mac, self.keyalgorithm) self.mac = r.mac return r.get_wire() def use_tsig(self, keyring, keyname=None, fudge=300, original_id=None, tsig_error=0, other_data='', algorithm=dns.tsig.default_algorithm): """When sending, a TSIG signature using the specified keyring and keyname should be added. @param keyring: The TSIG keyring to use; defaults to None. @type keyring: dict @param keyname: The name of the TSIG key to use; defaults to None. The key must be defined in the keyring. If a keyring is specified but a keyname is not, then the key used will be the first key in the keyring. Note that the order of keys in a dictionary is not defined, so applications should supply a keyname when a keyring is used, unless they know the keyring contains only one key. @type keyname: dns.name.Name or string @param fudge: TSIG time fudge; default is 300 seconds. @type fudge: int @param original_id: TSIG original id; defaults to the message's id @type original_id: int @param tsig_error: TSIG error code; default is 0. @type tsig_error: int @param other_data: TSIG other data. @type other_data: string @param algorithm: The TSIG algorithm to use; defaults to dns.tsig.default_algorithm """ self.keyring = keyring if keyname is None: self.keyname = list(self.keyring.keys())[0] else: if isinstance(keyname, string_types): keyname = dns.name.from_text(keyname) self.keyname = keyname self.keyalgorithm = algorithm self.fudge = fudge if original_id is None: self.original_id = self.id else: self.original_id = original_id self.tsig_error = tsig_error self.other_data = other_data def use_edns(self, edns=0, ednsflags=0, payload=1280, request_payload=None, options=None): """Configure EDNS behavior. @param edns: The EDNS level to use. Specifying None, False, or -1 means 'do not use EDNS', and in this case the other parameters are ignored. Specifying True is equivalent to specifying 0, i.e. 'use EDNS0'. @type edns: int or bool or None @param ednsflags: EDNS flag values. @type ednsflags: int @param payload: The EDNS sender's payload field, which is the maximum size of UDP datagram the sender can handle. @type payload: int @param request_payload: The EDNS payload size to use when sending this message. If not specified, defaults to the value of payload. @type request_payload: int or None @param options: The EDNS options @type options: None or list of dns.edns.Option objects @see: RFC 2671 """ if edns is None or edns is False: edns = -1 if edns is True: edns = 0 if request_payload is None: request_payload = payload if edns < 0: ednsflags = 0 payload = 0 request_payload = 0 options = [] else: # make sure the EDNS version in ednsflags agrees with edns ednsflags &= long(0xFF00FFFF) ednsflags |= (edns << 16) if options is None: options = [] self.edns = edns self.ednsflags = ednsflags self.payload = payload self.options = options self.request_payload = request_payload def want_dnssec(self, wanted=True): """Enable or disable 'DNSSEC desired' flag in requests. @param wanted: Is DNSSEC desired? If True, EDNS is enabled if required, and then the DO bit is set. If False, the DO bit is cleared if EDNS is enabled. @type wanted: bool """ if wanted: if self.edns < 0: self.use_edns() self.ednsflags |= dns.flags.DO elif self.edns >= 0: self.ednsflags &= ~dns.flags.DO def rcode(self): """Return the rcode. @rtype: int """ return dns.rcode.from_flags(self.flags, self.ednsflags) def set_rcode(self, rcode): """Set the rcode. @param rcode: the rcode @type rcode: int """ (value, evalue) = dns.rcode.to_flags(rcode) self.flags &= 0xFFF0 self.flags |= value self.ednsflags &= long(0x00FFFFFF) self.ednsflags |= evalue if self.ednsflags != 0 and self.edns < 0: self.edns = 0 def opcode(self): """Return the opcode. @rtype: int """ return dns.opcode.from_flags(self.flags) def set_opcode(self, opcode): """Set the opcode. @param opcode: the opcode @type opcode: int """ self.flags &= 0x87FF self.flags |= dns.opcode.to_flags(opcode) class _WireReader(object): """Wire format reader. @ivar wire: the wire-format message. @type wire: string @ivar message: The message object being built @type message: dns.message.Message object @ivar current: When building a message object from wire format, this variable contains the offset from the beginning of wire of the next octet to be read. @type current: int @ivar updating: Is the message a dynamic update? @type updating: bool @ivar one_rr_per_rrset: Put each RR into its own RRset? @type one_rr_per_rrset: bool @ivar ignore_trailing: Ignore trailing junk at end of request? @type ignore_trailing: bool @ivar zone_rdclass: The class of the zone in messages which are DNS dynamic updates. @type zone_rdclass: int """ def __init__(self, wire, message, question_only=False, one_rr_per_rrset=False, ignore_trailing=False): self.wire = dns.wiredata.maybe_wrap(wire) self.message = message self.current = 0 self.updating = False self.zone_rdclass = dns.rdataclass.IN self.question_only = question_only self.one_rr_per_rrset = one_rr_per_rrset self.ignore_trailing = ignore_trailing def _get_question(self, qcount): """Read the next I{qcount} records from the wire data and add them to the question section. @param qcount: the number of questions in the message @type qcount: int""" if self.updating and qcount > 1: raise dns.exception.FormError for i in xrange(0, qcount): (qname, used) = dns.name.from_wire(self.wire, self.current) if self.message.origin is not None: qname = qname.relativize(self.message.origin) self.current = self.current + used (rdtype, rdclass) = \ struct.unpack('!HH', self.wire[self.current:self.current + 4]) self.current = self.current + 4 self.message.find_rrset(self.message.question, qname, rdclass, rdtype, create=True, force_unique=True) if self.updating: self.zone_rdclass = rdclass def _get_section(self, section, count): """Read the next I{count} records from the wire data and add them to the specified section. @param section: the section of the message to which to add records @type section: list of dns.rrset.RRset objects @param count: the number of records to read @type count: int""" if self.updating or self.one_rr_per_rrset: force_unique = True else: force_unique = False seen_opt = False for i in xrange(0, count): rr_start = self.current (name, used) = dns.name.from_wire(self.wire, self.current) absolute_name = name if self.message.origin is not None: name = name.relativize(self.message.origin) self.current = self.current + used (rdtype, rdclass, ttl, rdlen) = \ struct.unpack('!HHIH', self.wire[self.current:self.current + 10]) self.current = self.current + 10 if rdtype == dns.rdatatype.OPT: if section is not self.message.additional or seen_opt: raise BadEDNS self.message.payload = rdclass self.message.ednsflags = ttl self.message.edns = (ttl & 0xff0000) >> 16 self.message.options = [] current = self.current optslen = rdlen while optslen > 0: (otype, olen) = \ struct.unpack('!HH', self.wire[current:current + 4]) current = current + 4 opt = dns.edns.option_from_wire( otype, self.wire, current, olen) self.message.options.append(opt) current = current + olen optslen = optslen - 4 - olen seen_opt = True elif rdtype == dns.rdatatype.TSIG: if not (section is self.message.additional and i == (count - 1)): raise BadTSIG if self.message.keyring is None: raise UnknownTSIGKey('got signed message without keyring') secret = self.message.keyring.get(absolute_name) if secret is None: raise UnknownTSIGKey("key '%s' unknown" % name) self.message.keyname = absolute_name (self.message.keyalgorithm, self.message.mac) = \ dns.tsig.get_algorithm_and_mac(self.wire, self.current, rdlen) self.message.tsig_ctx = \ dns.tsig.validate(self.wire, absolute_name, secret, int(time.time()), self.message.request_mac, rr_start, self.current, rdlen, self.message.tsig_ctx, self.message.multi, self.message.first) self.message.had_tsig = True else: if ttl < 0: ttl = 0 if self.updating and \ (rdclass == dns.rdataclass.ANY or rdclass == dns.rdataclass.NONE): deleting = rdclass rdclass = self.zone_rdclass else: deleting = None if deleting == dns.rdataclass.ANY or \ (deleting == dns.rdataclass.NONE and section is self.message.answer): covers = dns.rdatatype.NONE rd = None else: rd = dns.rdata.from_wire(rdclass, rdtype, self.wire, self.current, rdlen, self.message.origin) covers = rd.covers() if self.message.xfr and rdtype == dns.rdatatype.SOA: force_unique = True rrset = self.message.find_rrset(section, name, rdclass, rdtype, covers, deleting, True, force_unique) if rd is not None: rrset.add(rd, ttl) self.current = self.current + rdlen def read(self): """Read a wire format DNS message and build a dns.message.Message object.""" l = len(self.wire) if l < 12: raise ShortHeader (self.message.id, self.message.flags, qcount, ancount, aucount, adcount) = struct.unpack('!HHHHHH', self.wire[:12]) self.current = 12 if dns.opcode.is_update(self.message.flags): self.updating = True self._get_question(qcount) if self.question_only: return self._get_section(self.message.answer, ancount) self._get_section(self.message.authority, aucount) self._get_section(self.message.additional, adcount) if not self.ignore_trailing and self.current != l: raise TrailingJunk if self.message.multi and self.message.tsig_ctx and \ not self.message.had_tsig: self.message.tsig_ctx.update(self.wire) def from_wire(wire, keyring=None, request_mac='', xfr=False, origin=None, tsig_ctx=None, multi=False, first=True, question_only=False, one_rr_per_rrset=False, ignore_trailing=False): """Convert a DNS wire format message into a message object. @param keyring: The keyring to use if the message is signed. @type keyring: dict @param request_mac: If the message is a response to a TSIG-signed request, I{request_mac} should be set to the MAC of that request. @type request_mac: string @param xfr: Is this message part of a zone transfer? @type xfr: bool @param origin: If the message is part of a zone transfer, I{origin} should be the origin name of the zone. @type origin: dns.name.Name object @param tsig_ctx: The ongoing TSIG context, used when validating zone transfers. @type tsig_ctx: hmac.HMAC object @param multi: Is this message part of a multiple message sequence? @type multi: bool @param first: Is this message standalone, or the first of a multi message sequence? @type first: bool @param question_only: Read only up to the end of the question section? @type question_only: bool @param one_rr_per_rrset: Put each RR into its own RRset @type one_rr_per_rrset: bool @param ignore_trailing: Ignore trailing junk at end of request? @type ignore_trailing: bool @raises ShortHeader: The message is less than 12 octets long. @raises TrailingJunk: There were octets in the message past the end of the proper DNS message. @raises BadEDNS: An OPT record was in the wrong section, or occurred more than once. @raises BadTSIG: A TSIG record was not the last record of the additional data section. @rtype: dns.message.Message object""" m = Message(id=0) m.keyring = keyring m.request_mac = request_mac m.xfr = xfr m.origin = origin m.tsig_ctx = tsig_ctx m.multi = multi m.first = first reader = _WireReader(wire, m, question_only, one_rr_per_rrset, ignore_trailing) reader.read() return m class _TextReader(object): """Text format reader. @ivar tok: the tokenizer @type tok: dns.tokenizer.Tokenizer object @ivar message: The message object being built @type message: dns.message.Message object @ivar updating: Is the message a dynamic update? @type updating: bool @ivar zone_rdclass: The class of the zone in messages which are DNS dynamic updates. @type zone_rdclass: int @ivar last_name: The most recently read name when building a message object from text format. @type last_name: dns.name.Name object """ def __init__(self, text, message): self.message = message self.tok = dns.tokenizer.Tokenizer(text) self.last_name = None self.zone_rdclass = dns.rdataclass.IN self.updating = False def _header_line(self, section): """Process one line from the text format header section.""" token = self.tok.get() what = token.value if what == 'id': self.message.id = self.tok.get_int() elif what == 'flags': while True: token = self.tok.get() if not token.is_identifier(): self.tok.unget(token) break self.message.flags = self.message.flags | \ dns.flags.from_text(token.value) if dns.opcode.is_update(self.message.flags): self.updating = True elif what == 'edns': self.message.edns = self.tok.get_int() self.message.ednsflags = self.message.ednsflags | \ (self.message.edns << 16) elif what == 'eflags': if self.message.edns < 0: self.message.edns = 0 while True: token = self.tok.get() if not token.is_identifier(): self.tok.unget(token) break self.message.ednsflags = self.message.ednsflags | \ dns.flags.edns_from_text(token.value) elif what == 'payload': self.message.payload = self.tok.get_int() if self.message.edns < 0: self.message.edns = 0 elif what == 'opcode': text = self.tok.get_string() self.message.flags = self.message.flags | \ dns.opcode.to_flags(dns.opcode.from_text(text)) elif what == 'rcode': text = self.tok.get_string() self.message.set_rcode(dns.rcode.from_text(text)) else: raise UnknownHeaderField self.tok.get_eol() def _question_line(self, section): """Process one line from the text format question section.""" token = self.tok.get(want_leading=True) if not token.is_whitespace(): self.last_name = dns.name.from_text(token.value, None) name = self.last_name token = self.tok.get() if not token.is_identifier(): raise dns.exception.SyntaxError # Class try: rdclass = dns.rdataclass.from_text(token.value) token = self.tok.get() if not token.is_identifier(): raise dns.exception.SyntaxError except dns.exception.SyntaxError: raise dns.exception.SyntaxError except Exception: rdclass = dns.rdataclass.IN # Type rdtype = dns.rdatatype.from_text(token.value) self.message.find_rrset(self.message.question, name, rdclass, rdtype, create=True, force_unique=True) if self.updating: self.zone_rdclass = rdclass self.tok.get_eol() def _rr_line(self, section): """Process one line from the text format answer, authority, or additional data sections. """ deleting = None # Name token = self.tok.get(want_leading=True) if not token.is_whitespace(): self.last_name = dns.name.from_text(token.value, None) name = self.last_name token = self.tok.get() if not token.is_identifier(): raise dns.exception.SyntaxError # TTL try: ttl = int(token.value, 0) token = self.tok.get() if not token.is_identifier(): raise dns.exception.SyntaxError except dns.exception.SyntaxError: raise dns.exception.SyntaxError except Exception: ttl = 0 # Class try: rdclass = dns.rdataclass.from_text(token.value) token = self.tok.get() if not token.is_identifier(): raise dns.exception.SyntaxError if rdclass == dns.rdataclass.ANY or rdclass == dns.rdataclass.NONE: deleting = rdclass rdclass = self.zone_rdclass except dns.exception.SyntaxError: raise dns.exception.SyntaxError except Exception: rdclass = dns.rdataclass.IN # Type rdtype = dns.rdatatype.from_text(token.value) token = self.tok.get() if not token.is_eol_or_eof(): self.tok.unget(token) rd = dns.rdata.from_text(rdclass, rdtype, self.tok, None) covers = rd.covers() else: rd = None covers = dns.rdatatype.NONE rrset = self.message.find_rrset(section, name, rdclass, rdtype, covers, deleting, True, self.updating) if rd is not None: rrset.add(rd, ttl) def read(self): """Read a text format DNS message and build a dns.message.Message object.""" line_method = self._header_line section = None while 1: token = self.tok.get(True, True) if token.is_eol_or_eof(): break if token.is_comment(): u = token.value.upper() if u == 'HEADER': line_method = self._header_line elif u == 'QUESTION' or u == 'ZONE': line_method = self._question_line section = self.message.question elif u == 'ANSWER' or u == 'PREREQ': line_method = self._rr_line section = self.message.answer elif u == 'AUTHORITY' or u == 'UPDATE': line_method = self._rr_line section = self.message.authority elif u == 'ADDITIONAL': line_method = self._rr_line section = self.message.additional self.tok.get_eol() continue self.tok.unget(token) line_method(section) def from_text(text): """Convert the text format message into a message object. @param text: The text format message. @type text: string @raises UnknownHeaderField: @raises dns.exception.SyntaxError: @rtype: dns.message.Message object""" # 'text' can also be a file, but we don't publish that fact # since it's an implementation detail. The official file # interface is from_file(). m = Message() reader = _TextReader(text, m) reader.read() return m def from_file(f): """Read the next text format message from the specified file. @param f: file or string. If I{f} is a string, it is treated as the name of a file to open. @raises UnknownHeaderField: @raises dns.exception.SyntaxError: @rtype: dns.message.Message object""" str_type = string_types opts = 'rU' if isinstance(f, str_type): f = open(f, opts) want_close = True else: want_close = False try: m = from_text(f) finally: if want_close: f.close() return m def make_query(qname, rdtype, rdclass=dns.rdataclass.IN, use_edns=None, want_dnssec=False, ednsflags=None, payload=None, request_payload=None, options=None): """Make a query message. The query name, type, and class may all be specified either as objects of the appropriate type, or as strings. The query will have a randomly chosen query id, and its DNS flags will be set to dns.flags.RD. @param qname: The query name. @type qname: dns.name.Name object or string @param rdtype: The desired rdata type. @type rdtype: int @param rdclass: The desired rdata class; the default is class IN. @type rdclass: int @param use_edns: The EDNS level to use; the default is None (no EDNS). See the description of dns.message.Message.use_edns() for the possible values for use_edns and their meanings. @type use_edns: int or bool or None @param want_dnssec: Should the query indicate that DNSSEC is desired? @type want_dnssec: bool @param ednsflags: EDNS flag values. @type ednsflags: int @param payload: The EDNS sender's payload field, which is the maximum size of UDP datagram the sender can handle. @type payload: int @param request_payload: The EDNS payload size to use when sending this message. If not specified, defaults to the value of payload. @type request_payload: int or None @param options: The EDNS options @type options: None or list of dns.edns.Option objects @see: RFC 2671 @rtype: dns.message.Message object""" if isinstance(qname, string_types): qname = dns.name.from_text(qname) if isinstance(rdtype, string_types): rdtype = dns.rdatatype.from_text(rdtype) if isinstance(rdclass, string_types): rdclass = dns.rdataclass.from_text(rdclass) m = Message() m.flags |= dns.flags.RD m.find_rrset(m.question, qname, rdclass, rdtype, create=True, force_unique=True) # only pass keywords on to use_edns if they have been set to a # non-None value. Setting a field will turn EDNS on if it hasn't # been configured. kwargs = {} if ednsflags is not None: kwargs['ednsflags'] = ednsflags if use_edns is None: use_edns = 0 if payload is not None: kwargs['payload'] = payload if use_edns is None: use_edns = 0 if request_payload is not None: kwargs['request_payload'] = request_payload if use_edns is None: use_edns = 0 if options is not None: kwargs['options'] = options if use_edns is None: use_edns = 0 kwargs['edns'] = use_edns m.use_edns(**kwargs) m.want_dnssec(want_dnssec) return m def make_response(query, recursion_available=False, our_payload=8192, fudge=300): """Make a message which is a response for the specified query. The message returned is really a response skeleton; it has all of the infrastructure required of a response, but none of the content. The response's question section is a shallow copy of the query's question section, so the query's question RRsets should not be changed. @param query: the query to respond to @type query: dns.message.Message object @param recursion_available: should RA be set in the response? @type recursion_available: bool @param our_payload: payload size to advertise in EDNS responses; default is 8192. @type our_payload: int @param fudge: TSIG time fudge; default is 300 seconds. @type fudge: int @rtype: dns.message.Message object""" if query.flags & dns.flags.QR: raise dns.exception.FormError('specified query message is not a query') response = dns.message.Message(query.id) response.flags = dns.flags.QR | (query.flags & dns.flags.RD) if recursion_available: response.flags |= dns.flags.RA response.set_opcode(query.opcode()) response.question = list(query.question) if query.edns >= 0: response.use_edns(0, 0, our_payload, query.payload) if query.had_tsig: response.use_tsig(query.keyring, query.keyname, fudge, None, 0, '', query.keyalgorithm) response.request_mac = query.mac return response dnspython-1.15.0/dns/name.py0000644000076500000240000007137712773500637016334 0ustar halleystaff00000000000000# Copyright (C) 2001-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. """DNS Names. @var root: The DNS root name. @type root: dns.name.Name object @var empty: The empty DNS name. @type empty: dns.name.Name object """ from io import BytesIO import struct import sys import copy import encodings.idna try: import idna have_idna_2008 = True except ImportError: have_idna_2008 = False import dns.exception import dns.wiredata from ._compat import long, binary_type, text_type, unichr, maybe_decode try: maxint = sys.maxint except AttributeError: maxint = (1 << (8 * struct.calcsize("P"))) // 2 - 1 NAMERELN_NONE = 0 NAMERELN_SUPERDOMAIN = 1 NAMERELN_SUBDOMAIN = 2 NAMERELN_EQUAL = 3 NAMERELN_COMMONANCESTOR = 4 class EmptyLabel(dns.exception.SyntaxError): """A DNS label is empty.""" class BadEscape(dns.exception.SyntaxError): """An escaped code in a text format of DNS name is invalid.""" class BadPointer(dns.exception.FormError): """A DNS compression pointer points forward instead of backward.""" class BadLabelType(dns.exception.FormError): """The label type in DNS name wire format is unknown.""" class NeedAbsoluteNameOrOrigin(dns.exception.DNSException): """An attempt was made to convert a non-absolute name to wire when there was also a non-absolute (or missing) origin.""" class NameTooLong(dns.exception.FormError): """A DNS name is > 255 octets long.""" class LabelTooLong(dns.exception.SyntaxError): """A DNS label is > 63 octets long.""" class AbsoluteConcatenation(dns.exception.DNSException): """An attempt was made to append anything other than the empty name to an absolute DNS name.""" class NoParent(dns.exception.DNSException): """An attempt was made to get the parent of the root name or the empty name.""" class NoIDNA2008(dns.exception.DNSException): """IDNA 2008 processing was requested but the idna module is not available.""" class IDNAException(dns.exception.DNSException): """IDNA processing raised an exception.""" supp_kwargs = set(['idna_exception']) fmt = "IDNA processing exception: {idna_exception}" class IDNACodec(object): """Abstract base class for IDNA encoder/decoders.""" def __init__(self): pass def encode(self, label): raise NotImplementedError def decode(self, label): # We do not apply any IDNA policy on decode; we just downcased = label.lower() if downcased.startswith(b'xn--'): try: label = downcased[4:].decode('punycode') except Exception as e: raise IDNAException(idna_exception=e) else: label = maybe_decode(label) return _escapify(label, True) class IDNA2003Codec(IDNACodec): """IDNA 2003 encoder/decoder.""" def __init__(self, strict_decode=False): """Initialize the IDNA 2003 encoder/decoder. @param strict_decode: If True, then IDNA2003 checking is done when decoding. This can cause failures if the name was encoded with IDNA2008. The default is False. @type strict_decode: bool """ super(IDNA2003Codec, self).__init__() self.strict_decode = strict_decode def encode(self, label): if label == '': return b'' try: return encodings.idna.ToASCII(label) except UnicodeError: raise LabelTooLong def decode(self, label): if not self.strict_decode: return super(IDNA2003Codec, self).decode(label) if label == b'': return u'' try: return _escapify(encodings.idna.ToUnicode(label), True) except Exception as e: raise IDNAException(idna_exception=e) class IDNA2008Codec(IDNACodec): """IDNA 2008 encoder/decoder.""" def __init__(self, uts_46=False, transitional=False, allow_pure_ascii=False, strict_decode=False): """Initialize the IDNA 2008 encoder/decoder. @param uts_46: If True, apply Unicode IDNA compatibility processing as described in Unicode Technical Standard #46 (U{http://unicode.org/reports/tr46/}). This parameter is only meaningful if IDNA 2008 is in use. If False, do not apply the mapping. The default is False @type uts_46: bool @param transitional: If True, use the "transitional" mode described in Unicode Technical Standard #46. This parameter is only meaningful if IDNA 2008 is in use. The default is False. @type transitional: bool @param allow_pure_ascii: If True, then a label which consists of only ASCII characters is allowed. This is less strict than regular IDNA 2008, but is also necessary for mixed names, e.g. a name with starting with "_sip._tcp." and ending in an IDN suffixm which would otherwise be disallowed. The default is False @type allow_pure_ascii: bool @param strict_decode: If True, then IDNA2008 checking is done when decoding. This can cause failures if the name was encoded with IDNA2003. The default is False. @type strict_decode: bool """ super(IDNA2008Codec, self).__init__() self.uts_46 = uts_46 self.transitional = transitional self.allow_pure_ascii = allow_pure_ascii self.strict_decode = strict_decode def is_all_ascii(self, label): for c in label: if ord(c) > 0x7f: return False return True def encode(self, label): if label == '': return b'' if self.allow_pure_ascii and self.is_all_ascii(label): return label.encode('ascii') if not have_idna_2008: raise NoIDNA2008 try: if self.uts_46: label = idna.uts46_remap(label, False, self.transitional) return idna.alabel(label) except idna.IDNAError as e: raise IDNAException(idna_exception=e) def decode(self, label): if not self.strict_decode: return super(IDNA2008Codec, self).decode(label) if label == b'': return u'' if not have_idna_2008: raise NoIDNA2008 try: if self.uts_46: label = idna.uts46_remap(label, False, False) return _escapify(idna.ulabel(label), True) except idna.IDNAError as e: raise IDNAException(idna_exception=e) _escaped = bytearray(b'"().;\\@$') IDNA_2003_Practical = IDNA2003Codec(False) IDNA_2003_Strict = IDNA2003Codec(True) IDNA_2003 = IDNA_2003_Practical IDNA_2008_Practical = IDNA2008Codec(True, False, True, False) IDNA_2008_UTS_46 = IDNA2008Codec(True, False, False, False) IDNA_2008_Strict = IDNA2008Codec(False, False, False, True) IDNA_2008_Transitional = IDNA2008Codec(True, True, False, False) IDNA_2008 = IDNA_2008_Practical def _escapify(label, unicode_mode=False): """Escape the characters in label which need it. @param unicode_mode: escapify only special and whitespace (<= 0x20) characters @returns: the escaped string @rtype: string""" if not unicode_mode: text = '' if isinstance(label, text_type): label = label.encode() for c in bytearray(label): if c in _escaped: text += '\\' + chr(c) elif c > 0x20 and c < 0x7F: text += chr(c) else: text += '\\%03d' % c return text.encode() text = u'' if isinstance(label, binary_type): label = label.decode() for c in label: if c > u'\x20' and c < u'\x7f': text += c else: if c >= u'\x7f': text += c else: text += u'\\%03d' % ord(c) return text def _validate_labels(labels): """Check for empty labels in the middle of a label sequence, labels that are too long, and for too many labels. @raises NameTooLong: the name as a whole is too long @raises EmptyLabel: a label is empty (i.e. the root label) and appears in a position other than the end of the label sequence""" l = len(labels) total = 0 i = -1 j = 0 for label in labels: ll = len(label) total += ll + 1 if ll > 63: raise LabelTooLong if i < 0 and label == b'': i = j j += 1 if total > 255: raise NameTooLong if i >= 0 and i != l - 1: raise EmptyLabel def _ensure_bytes(label): if isinstance(label, binary_type): return label if isinstance(label, text_type): return label.encode() raise ValueError class Name(object): """A DNS name. The dns.name.Name class represents a DNS name as a tuple of labels. Instances of the class are immutable. @ivar labels: The tuple of labels in the name. Each label is a string of up to 63 octets.""" __slots__ = ['labels'] def __init__(self, labels): """Initialize a domain name from a list of labels. @param labels: the labels @type labels: any iterable whose values are strings """ labels = [_ensure_bytes(x) for x in labels] super(Name, self).__setattr__('labels', tuple(labels)) _validate_labels(self.labels) def __setattr__(self, name, value): raise TypeError("object doesn't support attribute assignment") def __copy__(self): return Name(self.labels) def __deepcopy__(self, memo): return Name(copy.deepcopy(self.labels, memo)) def __getstate__(self): return {'labels': self.labels} def __setstate__(self, state): super(Name, self).__setattr__('labels', state['labels']) _validate_labels(self.labels) def is_absolute(self): """Is the most significant label of this name the root label? @rtype: bool """ return len(self.labels) > 0 and self.labels[-1] == b'' def is_wild(self): """Is this name wild? (I.e. Is the least significant label '*'?) @rtype: bool """ return len(self.labels) > 0 and self.labels[0] == b'*' def __hash__(self): """Return a case-insensitive hash of the name. @rtype: int """ h = long(0) for label in self.labels: for c in bytearray(label.lower()): h += (h << 3) + c return int(h % maxint) def fullcompare(self, other): """Compare two names, returning a 3-tuple (relation, order, nlabels). I{relation} describes the relation ship between the names, and is one of: dns.name.NAMERELN_NONE, dns.name.NAMERELN_SUPERDOMAIN, dns.name.NAMERELN_SUBDOMAIN, dns.name.NAMERELN_EQUAL, or dns.name.NAMERELN_COMMONANCESTOR I{order} is < 0 if self < other, > 0 if self > other, and == 0 if self == other. A relative name is always less than an absolute name. If both names have the same relativity, then the DNSSEC order relation is used to order them. I{nlabels} is the number of significant labels that the two names have in common. """ sabs = self.is_absolute() oabs = other.is_absolute() if sabs != oabs: if sabs: return (NAMERELN_NONE, 1, 0) else: return (NAMERELN_NONE, -1, 0) l1 = len(self.labels) l2 = len(other.labels) ldiff = l1 - l2 if ldiff < 0: l = l1 else: l = l2 order = 0 nlabels = 0 namereln = NAMERELN_NONE while l > 0: l -= 1 l1 -= 1 l2 -= 1 label1 = self.labels[l1].lower() label2 = other.labels[l2].lower() if label1 < label2: order = -1 if nlabels > 0: namereln = NAMERELN_COMMONANCESTOR return (namereln, order, nlabels) elif label1 > label2: order = 1 if nlabels > 0: namereln = NAMERELN_COMMONANCESTOR return (namereln, order, nlabels) nlabels += 1 order = ldiff if ldiff < 0: namereln = NAMERELN_SUPERDOMAIN elif ldiff > 0: namereln = NAMERELN_SUBDOMAIN else: namereln = NAMERELN_EQUAL return (namereln, order, nlabels) def is_subdomain(self, other): """Is self a subdomain of other? The notion of subdomain includes equality. @rtype: bool """ (nr, o, nl) = self.fullcompare(other) if nr == NAMERELN_SUBDOMAIN or nr == NAMERELN_EQUAL: return True return False def is_superdomain(self, other): """Is self a superdomain of other? The notion of subdomain includes equality. @rtype: bool """ (nr, o, nl) = self.fullcompare(other) if nr == NAMERELN_SUPERDOMAIN or nr == NAMERELN_EQUAL: return True return False def canonicalize(self): """Return a name which is equal to the current name, but is in DNSSEC canonical form. @rtype: dns.name.Name object """ return Name([x.lower() for x in self.labels]) def __eq__(self, other): if isinstance(other, Name): return self.fullcompare(other)[1] == 0 else: return False def __ne__(self, other): if isinstance(other, Name): return self.fullcompare(other)[1] != 0 else: return True def __lt__(self, other): if isinstance(other, Name): return self.fullcompare(other)[1] < 0 else: return NotImplemented def __le__(self, other): if isinstance(other, Name): return self.fullcompare(other)[1] <= 0 else: return NotImplemented def __ge__(self, other): if isinstance(other, Name): return self.fullcompare(other)[1] >= 0 else: return NotImplemented def __gt__(self, other): if isinstance(other, Name): return self.fullcompare(other)[1] > 0 else: return NotImplemented def __repr__(self): return '' def __str__(self): return self.to_text(False) def to_text(self, omit_final_dot=False): """Convert name to text format. @param omit_final_dot: If True, don't emit the final dot (denoting the root label) for absolute names. The default is False. @rtype: string """ if len(self.labels) == 0: return maybe_decode(b'@') if len(self.labels) == 1 and self.labels[0] == b'': return maybe_decode(b'.') if omit_final_dot and self.is_absolute(): l = self.labels[:-1] else: l = self.labels s = b'.'.join(map(_escapify, l)) return maybe_decode(s) def to_unicode(self, omit_final_dot=False, idna_codec=None): """Convert name to Unicode text format. IDN ACE labels are converted to Unicode. @param omit_final_dot: If True, don't emit the final dot (denoting the root label) for absolute names. The default is False. @type omit_final_dot: bool @param idna_codec: IDNA encoder/decoder. If None, the IDNA_2003_Practical encoder/decoder is used. The IDNA_2003_Practical decoder does not impose any policy, it just decodes punycode, so if you don't want checking for compliance, you can use this decoder for IDNA2008 as well. @type idna_codec: dns.name.IDNA @rtype: string """ if len(self.labels) == 0: return u'@' if len(self.labels) == 1 and self.labels[0] == b'': return u'.' if omit_final_dot and self.is_absolute(): l = self.labels[:-1] else: l = self.labels if idna_codec is None: idna_codec = IDNA_2003_Practical return u'.'.join([idna_codec.decode(x) for x in l]) def to_digestable(self, origin=None): """Convert name to a format suitable for digesting in hashes. The name is canonicalized and converted to uncompressed wire format. @param origin: If the name is relative and origin is not None, then origin will be appended to it. @type origin: dns.name.Name object @raises NeedAbsoluteNameOrOrigin: All names in wire format are absolute. If self is a relative name, then an origin must be supplied; if it is missing, then this exception is raised @rtype: string """ if not self.is_absolute(): if origin is None or not origin.is_absolute(): raise NeedAbsoluteNameOrOrigin labels = list(self.labels) labels.extend(list(origin.labels)) else: labels = self.labels dlabels = [struct.pack('!B%ds' % len(x), len(x), x.lower()) for x in labels] return b''.join(dlabels) def to_wire(self, file=None, compress=None, origin=None): """Convert name to wire format, possibly compressing it. @param file: the file where the name is emitted (typically a BytesIO file). If None, a string containing the wire name will be returned. @type file: file or None @param compress: The compression table. If None (the default) names will not be compressed. @type compress: dict @param origin: If the name is relative and origin is not None, then origin will be appended to it. @type origin: dns.name.Name object @raises NeedAbsoluteNameOrOrigin: All names in wire format are absolute. If self is a relative name, then an origin must be supplied; if it is missing, then this exception is raised """ if file is None: file = BytesIO() want_return = True else: want_return = False if not self.is_absolute(): if origin is None or not origin.is_absolute(): raise NeedAbsoluteNameOrOrigin labels = list(self.labels) labels.extend(list(origin.labels)) else: labels = self.labels i = 0 for label in labels: n = Name(labels[i:]) i += 1 if compress is not None: pos = compress.get(n) else: pos = None if pos is not None: value = 0xc000 + pos s = struct.pack('!H', value) file.write(s) break else: if compress is not None and len(n) > 1: pos = file.tell() if pos <= 0x3fff: compress[n] = pos l = len(label) file.write(struct.pack('!B', l)) if l > 0: file.write(label) if want_return: return file.getvalue() def __len__(self): """The length of the name (in labels). @rtype: int """ return len(self.labels) def __getitem__(self, index): return self.labels[index] def __add__(self, other): return self.concatenate(other) def __sub__(self, other): return self.relativize(other) def split(self, depth): """Split a name into a prefix and suffix at depth. @param depth: the number of labels in the suffix @type depth: int @raises ValueError: the depth was not >= 0 and <= the length of the name. @returns: the tuple (prefix, suffix) @rtype: tuple """ l = len(self.labels) if depth == 0: return (self, dns.name.empty) elif depth == l: return (dns.name.empty, self) elif depth < 0 or depth > l: raise ValueError( 'depth must be >= 0 and <= the length of the name') return (Name(self[: -depth]), Name(self[-depth:])) def concatenate(self, other): """Return a new name which is the concatenation of self and other. @rtype: dns.name.Name object @raises AbsoluteConcatenation: self is absolute and other is not the empty name """ if self.is_absolute() and len(other) > 0: raise AbsoluteConcatenation labels = list(self.labels) labels.extend(list(other.labels)) return Name(labels) def relativize(self, origin): """If self is a subdomain of origin, return a new name which is self relative to origin. Otherwise return self. @rtype: dns.name.Name object """ if origin is not None and self.is_subdomain(origin): return Name(self[: -len(origin)]) else: return self def derelativize(self, origin): """If self is a relative name, return a new name which is the concatenation of self and origin. Otherwise return self. @rtype: dns.name.Name object """ if not self.is_absolute(): return self.concatenate(origin) else: return self def choose_relativity(self, origin=None, relativize=True): """Return a name with the relativity desired by the caller. If origin is None, then self is returned. Otherwise, if relativize is true the name is relativized, and if relativize is false the name is derelativized. @rtype: dns.name.Name object """ if origin: if relativize: return self.relativize(origin) else: return self.derelativize(origin) else: return self def parent(self): """Return the parent of the name. @rtype: dns.name.Name object @raises NoParent: the name is either the root name or the empty name, and thus has no parent. """ if self == root or self == empty: raise NoParent return Name(self.labels[1:]) root = Name([b'']) empty = Name([]) def from_unicode(text, origin=root, idna_codec=None): """Convert unicode text into a Name object. Labels are encoded in IDN ACE form. @param text: The text to convert into a name. @type text: Unicode string @param origin: The origin to append to non-absolute names. @type origin: dns.name.Name @param idna_codec: IDNA encoder/decoder. If None, the default IDNA 2003 encoder/decoder is used. @type idna_codec: dns.name.IDNA @rtype: dns.name.Name object """ if not isinstance(text, text_type): raise ValueError("input to from_unicode() must be a unicode string") if not (origin is None or isinstance(origin, Name)): raise ValueError("origin must be a Name or None") labels = [] label = u'' escaping = False edigits = 0 total = 0 if idna_codec is None: idna_codec = IDNA_2003 if text == u'@': text = u'' if text: if text == u'.': return Name([b'']) # no Unicode "u" on this constant! for c in text: if escaping: if edigits == 0: if c.isdigit(): total = int(c) edigits += 1 else: label += c escaping = False else: if not c.isdigit(): raise BadEscape total *= 10 total += int(c) edigits += 1 if edigits == 3: escaping = False label += unichr(total) elif c in [u'.', u'\u3002', u'\uff0e', u'\uff61']: if len(label) == 0: raise EmptyLabel labels.append(idna_codec.encode(label)) label = u'' elif c == u'\\': escaping = True edigits = 0 total = 0 else: label += c if escaping: raise BadEscape if len(label) > 0: labels.append(idna_codec.encode(label)) else: labels.append(b'') if (len(labels) == 0 or labels[-1] != b'') and origin is not None: labels.extend(list(origin.labels)) return Name(labels) def from_text(text, origin=root, idna_codec=None): """Convert text into a Name object. @param text: The text to convert into a name. @type text: string @param origin: The origin to append to non-absolute names. @type origin: dns.name.Name @param idna_codec: IDNA encoder/decoder. If None, the default IDNA 2003 encoder/decoder is used. @type idna_codec: dns.name.IDNA @rtype: dns.name.Name object """ if isinstance(text, text_type): return from_unicode(text, origin, idna_codec) if not isinstance(text, binary_type): raise ValueError("input to from_text() must be a string") if not (origin is None or isinstance(origin, Name)): raise ValueError("origin must be a Name or None") labels = [] label = b'' escaping = False edigits = 0 total = 0 if text == b'@': text = b'' if text: if text == b'.': return Name([b'']) for c in bytearray(text): byte_ = struct.pack('!B', c) if escaping: if edigits == 0: if byte_.isdigit(): total = int(byte_) edigits += 1 else: label += byte_ escaping = False else: if not byte_.isdigit(): raise BadEscape total *= 10 total += int(byte_) edigits += 1 if edigits == 3: escaping = False label += struct.pack('!B', total) elif byte_ == b'.': if len(label) == 0: raise EmptyLabel labels.append(label) label = b'' elif byte_ == b'\\': escaping = True edigits = 0 total = 0 else: label += byte_ if escaping: raise BadEscape if len(label) > 0: labels.append(label) else: labels.append(b'') if (len(labels) == 0 or labels[-1] != b'') and origin is not None: labels.extend(list(origin.labels)) return Name(labels) def from_wire(message, current): """Convert possibly compressed wire format into a Name. @param message: the entire DNS message @type message: string @param current: the offset of the beginning of the name from the start of the message @type current: int @raises dns.name.BadPointer: a compression pointer did not point backwards in the message @raises dns.name.BadLabelType: an invalid label type was encountered. @returns: a tuple consisting of the name that was read and the number of bytes of the wire format message which were consumed reading it @rtype: (dns.name.Name object, int) tuple """ if not isinstance(message, binary_type): raise ValueError("input to from_wire() must be a byte string") message = dns.wiredata.maybe_wrap(message) labels = [] biggest_pointer = current hops = 0 count = message[current] current += 1 cused = 1 while count != 0: if count < 64: labels.append(message[current: current + count].unwrap()) current += count if hops == 0: cused += count elif count >= 192: current = (count & 0x3f) * 256 + message[current] if hops == 0: cused += 1 if current >= biggest_pointer: raise BadPointer biggest_pointer = current hops += 1 else: raise BadLabelType count = message[current] current += 1 if hops == 0: cused += 1 labels.append('') return (Name(labels), cused) dnspython-1.15.0/dns/namedict.py0000644000076500000240000000713512770261242017160 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # Copyright (C) 2016 Coresec Systems AB # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. # # THE SOFTWARE IS PROVIDED "AS IS" AND CORESEC SYSTEMS AB DISCLAIMS ALL # WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED # WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL CORESEC # SYSTEMS AB BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR # CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS # OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, # NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION # WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. """DNS name dictionary""" import collections import dns.name from ._compat import xrange class NameDict(collections.MutableMapping): """A dictionary whose keys are dns.name.Name objects. @ivar max_depth: the maximum depth of the keys that have ever been added to the dictionary. @type max_depth: int @ivar max_depth_items: the number of items of maximum depth @type max_depth_items: int """ __slots__ = ["max_depth", "max_depth_items", "__store"] def __init__(self, *args, **kwargs): self.__store = dict() self.max_depth = 0 self.max_depth_items = 0 self.update(dict(*args, **kwargs)) def __update_max_depth(self, key): if len(key) == self.max_depth: self.max_depth_items = self.max_depth_items + 1 elif len(key) > self.max_depth: self.max_depth = len(key) self.max_depth_items = 1 def __getitem__(self, key): return self.__store[key] def __setitem__(self, key, value): if not isinstance(key, dns.name.Name): raise ValueError('NameDict key must be a name') self.__store[key] = value self.__update_max_depth(key) def __delitem__(self, key): value = self.__store.pop(key) if len(value) == self.max_depth: self.max_depth_items = self.max_depth_items - 1 if self.max_depth_items == 0: self.max_depth = 0 for k in self.__store: self.__update_max_depth(k) def __iter__(self): return iter(self.__store) def __len__(self): return len(self.__store) def has_key(self, key): return key in self.__store def get_deepest_match(self, name): """Find the deepest match to I{name} in the dictionary. The deepest match is the longest name in the dictionary which is a superdomain of I{name}. @param name: the name @type name: dns.name.Name object @rtype: (key, value) tuple """ depth = len(name) if depth > self.max_depth: depth = self.max_depth for i in xrange(-depth, 0): n = dns.name.Name(name[i:]) if n in self: return (n, self[n]) v = self[dns.name.empty] return (dns.name.empty, v) dnspython-1.15.0/dns/node.py0000644000076500000240000001365012770261242016320 0ustar halleystaff00000000000000# Copyright (C) 2001-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. """DNS nodes. A node is a set of rdatasets.""" from io import StringIO import dns.rdataset import dns.rdatatype import dns.renderer class Node(object): """A DNS node. A node is a set of rdatasets @ivar rdatasets: the node's rdatasets @type rdatasets: list of dns.rdataset.Rdataset objects""" __slots__ = ['rdatasets'] def __init__(self): """Initialize a DNS node. """ self.rdatasets = [] def to_text(self, name, **kw): """Convert a node to text format. Each rdataset at the node is printed. Any keyword arguments to this method are passed on to the rdataset's to_text() method. @param name: the owner name of the rdatasets @type name: dns.name.Name object @rtype: string """ s = StringIO() for rds in self.rdatasets: if len(rds) > 0: s.write(rds.to_text(name, **kw)) s.write(u'\n') return s.getvalue()[:-1] def __repr__(self): return '' def __eq__(self, other): """Two nodes are equal if they have the same rdatasets. @rtype: bool """ # # This is inefficient. Good thing we don't need to do it much. # for rd in self.rdatasets: if rd not in other.rdatasets: return False for rd in other.rdatasets: if rd not in self.rdatasets: return False return True def __ne__(self, other): return not self.__eq__(other) def __len__(self): return len(self.rdatasets) def __iter__(self): return iter(self.rdatasets) def find_rdataset(self, rdclass, rdtype, covers=dns.rdatatype.NONE, create=False): """Find an rdataset matching the specified properties in the current node. @param rdclass: The class of the rdataset @type rdclass: int @param rdtype: The type of the rdataset @type rdtype: int @param covers: The covered type. Usually this value is dns.rdatatype.NONE, but if the rdtype is dns.rdatatype.SIG or dns.rdatatype.RRSIG, then the covers value will be the rdata type the SIG/RRSIG covers. The library treats the SIG and RRSIG types as if they were a family of types, e.g. RRSIG(A), RRSIG(NS), RRSIG(SOA). This makes RRSIGs much easier to work with than if RRSIGs covering different rdata types were aggregated into a single RRSIG rdataset. @type covers: int @param create: If True, create the rdataset if it is not found. @type create: bool @raises KeyError: An rdataset of the desired type and class does not exist and I{create} is not True. @rtype: dns.rdataset.Rdataset object """ for rds in self.rdatasets: if rds.match(rdclass, rdtype, covers): return rds if not create: raise KeyError rds = dns.rdataset.Rdataset(rdclass, rdtype) self.rdatasets.append(rds) return rds def get_rdataset(self, rdclass, rdtype, covers=dns.rdatatype.NONE, create=False): """Get an rdataset matching the specified properties in the current node. None is returned if an rdataset of the specified type and class does not exist and I{create} is not True. @param rdclass: The class of the rdataset @type rdclass: int @param rdtype: The type of the rdataset @type rdtype: int @param covers: The covered type. @type covers: int @param create: If True, create the rdataset if it is not found. @type create: bool @rtype: dns.rdataset.Rdataset object or None """ try: rds = self.find_rdataset(rdclass, rdtype, covers, create) except KeyError: rds = None return rds def delete_rdataset(self, rdclass, rdtype, covers=dns.rdatatype.NONE): """Delete the rdataset matching the specified properties in the current node. If a matching rdataset does not exist, it is not an error. @param rdclass: The class of the rdataset @type rdclass: int @param rdtype: The type of the rdataset @type rdtype: int @param covers: The covered type. @type covers: int """ rds = self.get_rdataset(rdclass, rdtype, covers) if rds is not None: self.rdatasets.remove(rds) def replace_rdataset(self, replacement): """Replace an rdataset. It is not an error if there is no rdataset matching I{replacement}. Ownership of the I{replacement} object is transferred to the node; in other words, this method does not store a copy of I{replacement} at the node, it stores I{replacement} itself. """ if not isinstance(replacement, dns.rdataset.Rdataset): raise ValueError('replacement is not an rdataset') self.delete_rdataset(replacement.rdclass, replacement.rdtype, replacement.covers) self.rdatasets.append(replacement) dnspython-1.15.0/dns/opcode.py0000644000076500000240000000475212770261242016647 0ustar halleystaff00000000000000# Copyright (C) 2001-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. """DNS Opcodes.""" import dns.exception QUERY = 0 IQUERY = 1 STATUS = 2 NOTIFY = 4 UPDATE = 5 _by_text = { 'QUERY': QUERY, 'IQUERY': IQUERY, 'STATUS': STATUS, 'NOTIFY': NOTIFY, 'UPDATE': UPDATE } # We construct the inverse mapping programmatically to ensure that we # cannot make any mistakes (e.g. omissions, cut-and-paste errors) that # would cause the mapping not to be true inverse. _by_value = dict((y, x) for x, y in _by_text.items()) class UnknownOpcode(dns.exception.DNSException): """An DNS opcode is unknown.""" def from_text(text): """Convert text into an opcode. @param text: the textual opcode @type text: string @raises UnknownOpcode: the opcode is unknown @rtype: int """ if text.isdigit(): value = int(text) if value >= 0 and value <= 15: return value value = _by_text.get(text.upper()) if value is None: raise UnknownOpcode return value def from_flags(flags): """Extract an opcode from DNS message flags. @param flags: int @rtype: int """ return (flags & 0x7800) >> 11 def to_flags(value): """Convert an opcode to a value suitable for ORing into DNS message flags. @rtype: int """ return (value << 11) & 0x7800 def to_text(value): """Convert an opcode to text. @param value: the opcdoe @type value: int @raises UnknownOpcode: the opcode is unknown @rtype: string """ text = _by_value.get(value) if text is None: text = str(value) return text def is_update(flags): """True if the opcode in flags is UPDATE. @param flags: DNS flags @type flags: int @rtype: bool """ return from_flags(flags) == UPDATE dnspython-1.15.0/dns/query.py0000644000076500000240000004521712770261242016544 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. """Talk to a DNS server.""" from __future__ import generators import errno import select import socket import struct import sys import time import dns.exception import dns.inet import dns.name import dns.message import dns.rdataclass import dns.rdatatype from ._compat import long, string_types if sys.version_info > (3,): select_error = OSError else: select_error = select.error # Function used to create a socket. Can be overridden if needed in special # situations. socket_factory = socket.socket class UnexpectedSource(dns.exception.DNSException): """A DNS query response came from an unexpected address or port.""" class BadResponse(dns.exception.FormError): """A DNS query response does not respond to the question asked.""" def _compute_expiration(timeout): if timeout is None: return None else: return time.time() + timeout def _poll_for(fd, readable, writable, error, timeout): """Poll polling backend. @param fd: File descriptor @type fd: int @param readable: Whether to wait for readability @type readable: bool @param writable: Whether to wait for writability @type writable: bool @param timeout: Deadline timeout (expiration time, in seconds) @type timeout: float @return True on success, False on timeout """ event_mask = 0 if readable: event_mask |= select.POLLIN if writable: event_mask |= select.POLLOUT if error: event_mask |= select.POLLERR pollable = select.poll() pollable.register(fd, event_mask) if timeout: event_list = pollable.poll(long(timeout * 1000)) else: event_list = pollable.poll() return bool(event_list) def _select_for(fd, readable, writable, error, timeout): """Select polling backend. @param fd: File descriptor @type fd: int @param readable: Whether to wait for readability @type readable: bool @param writable: Whether to wait for writability @type writable: bool @param timeout: Deadline timeout (expiration time, in seconds) @type timeout: float @return True on success, False on timeout """ rset, wset, xset = [], [], [] if readable: rset = [fd] if writable: wset = [fd] if error: xset = [fd] if timeout is None: (rcount, wcount, xcount) = select.select(rset, wset, xset) else: (rcount, wcount, xcount) = select.select(rset, wset, xset, timeout) return bool((rcount or wcount or xcount)) def _wait_for(fd, readable, writable, error, expiration): done = False while not done: if expiration is None: timeout = None else: timeout = expiration - time.time() if timeout <= 0.0: raise dns.exception.Timeout try: if not _polling_backend(fd, readable, writable, error, timeout): raise dns.exception.Timeout except select_error as e: if e.args[0] != errno.EINTR: raise e done = True def _set_polling_backend(fn): """ Internal API. Do not use. """ global _polling_backend _polling_backend = fn if hasattr(select, 'poll'): # Prefer poll() on platforms that support it because it has no # limits on the maximum value of a file descriptor (plus it will # be more efficient for high values). _polling_backend = _poll_for else: _polling_backend = _select_for def _wait_for_readable(s, expiration): _wait_for(s, True, False, True, expiration) def _wait_for_writable(s, expiration): _wait_for(s, False, True, True, expiration) def _addresses_equal(af, a1, a2): # Convert the first value of the tuple, which is a textual format # address into binary form, so that we are not confused by different # textual representations of the same address n1 = dns.inet.inet_pton(af, a1[0]) n2 = dns.inet.inet_pton(af, a2[0]) return n1 == n2 and a1[1:] == a2[1:] def _destination_and_source(af, where, port, source, source_port): # Apply defaults and compute destination and source tuples # suitable for use in connect(), sendto(), or bind(). if af is None: try: af = dns.inet.af_for_address(where) except Exception: af = dns.inet.AF_INET if af == dns.inet.AF_INET: destination = (where, port) if source is not None or source_port != 0: if source is None: source = '0.0.0.0' source = (source, source_port) elif af == dns.inet.AF_INET6: destination = (where, port, 0, 0) if source is not None or source_port != 0: if source is None: source = '::' source = (source, source_port, 0, 0) return (af, destination, source) def udp(q, where, timeout=None, port=53, af=None, source=None, source_port=0, ignore_unexpected=False, one_rr_per_rrset=False): """Return the response obtained after sending a query via UDP. @param q: the query @type q: dns.message.Message @param where: where to send the message @type where: string containing an IPv4 or IPv6 address @param timeout: The number of seconds to wait before the query times out. If None, the default, wait forever. @type timeout: float @param port: The port to which to send the message. The default is 53. @type port: int @param af: the address family to use. The default is None, which causes the address family to use to be inferred from the form of where. If the inference attempt fails, AF_INET is used. @type af: int @rtype: dns.message.Message object @param source: source address. The default is the wildcard address. @type source: string @param source_port: The port from which to send the message. The default is 0. @type source_port: int @param ignore_unexpected: If True, ignore responses from unexpected sources. The default is False. @type ignore_unexpected: bool @param one_rr_per_rrset: Put each RR into its own RRset @type one_rr_per_rrset: bool """ wire = q.to_wire() (af, destination, source) = _destination_and_source(af, where, port, source, source_port) s = socket_factory(af, socket.SOCK_DGRAM, 0) begin_time = None try: expiration = _compute_expiration(timeout) s.setblocking(0) if source is not None: s.bind(source) _wait_for_writable(s, expiration) begin_time = time.time() s.sendto(wire, destination) while 1: _wait_for_readable(s, expiration) (wire, from_address) = s.recvfrom(65535) if _addresses_equal(af, from_address, destination) or \ (dns.inet.is_multicast(where) and from_address[1:] == destination[1:]): break if not ignore_unexpected: raise UnexpectedSource('got a response from ' '%s instead of %s' % (from_address, destination)) finally: if begin_time is None: response_time = 0 else: response_time = time.time() - begin_time s.close() r = dns.message.from_wire(wire, keyring=q.keyring, request_mac=q.mac, one_rr_per_rrset=one_rr_per_rrset) r.time = response_time if not q.is_response(r): raise BadResponse return r def _net_read(sock, count, expiration): """Read the specified number of bytes from sock. Keep trying until we either get the desired amount, or we hit EOF. A Timeout exception will be raised if the operation is not completed by the expiration time. """ s = b'' while count > 0: _wait_for_readable(sock, expiration) n = sock.recv(count) if n == b'': raise EOFError count = count - len(n) s = s + n return s def _net_write(sock, data, expiration): """Write the specified data to the socket. A Timeout exception will be raised if the operation is not completed by the expiration time. """ current = 0 l = len(data) while current < l: _wait_for_writable(sock, expiration) current += sock.send(data[current:]) def _connect(s, address): try: s.connect(address) except socket.error: (ty, v) = sys.exc_info()[:2] if hasattr(v, 'errno'): v_err = v.errno else: v_err = v[0] if v_err not in [errno.EINPROGRESS, errno.EWOULDBLOCK, errno.EALREADY]: raise v def tcp(q, where, timeout=None, port=53, af=None, source=None, source_port=0, one_rr_per_rrset=False): """Return the response obtained after sending a query via TCP. @param q: the query @type q: dns.message.Message object @param where: where to send the message @type where: string containing an IPv4 or IPv6 address @param timeout: The number of seconds to wait before the query times out. If None, the default, wait forever. @type timeout: float @param port: The port to which to send the message. The default is 53. @type port: int @param af: the address family to use. The default is None, which causes the address family to use to be inferred from the form of where. If the inference attempt fails, AF_INET is used. @type af: int @rtype: dns.message.Message object @param source: source address. The default is the wildcard address. @type source: string @param source_port: The port from which to send the message. The default is 0. @type source_port: int @param one_rr_per_rrset: Put each RR into its own RRset @type one_rr_per_rrset: bool """ wire = q.to_wire() (af, destination, source) = _destination_and_source(af, where, port, source, source_port) s = socket_factory(af, socket.SOCK_STREAM, 0) begin_time = None try: expiration = _compute_expiration(timeout) s.setblocking(0) begin_time = time.time() if source is not None: s.bind(source) _connect(s, destination) l = len(wire) # copying the wire into tcpmsg is inefficient, but lets us # avoid writev() or doing a short write that would get pushed # onto the net tcpmsg = struct.pack("!H", l) + wire _net_write(s, tcpmsg, expiration) ldata = _net_read(s, 2, expiration) (l,) = struct.unpack("!H", ldata) wire = _net_read(s, l, expiration) finally: if begin_time is None: response_time = 0 else: response_time = time.time() - begin_time s.close() r = dns.message.from_wire(wire, keyring=q.keyring, request_mac=q.mac, one_rr_per_rrset=one_rr_per_rrset) r.time = response_time if not q.is_response(r): raise BadResponse return r def xfr(where, zone, rdtype=dns.rdatatype.AXFR, rdclass=dns.rdataclass.IN, timeout=None, port=53, keyring=None, keyname=None, relativize=True, af=None, lifetime=None, source=None, source_port=0, serial=0, use_udp=False, keyalgorithm=dns.tsig.default_algorithm): """Return a generator for the responses to a zone transfer. @param where: where to send the message @type where: string containing an IPv4 or IPv6 address @param zone: The name of the zone to transfer @type zone: dns.name.Name object or string @param rdtype: The type of zone transfer. The default is dns.rdatatype.AXFR. @type rdtype: int or string @param rdclass: The class of the zone transfer. The default is dns.rdataclass.IN. @type rdclass: int or string @param timeout: The number of seconds to wait for each response message. If None, the default, wait forever. @type timeout: float @param port: The port to which to send the message. The default is 53. @type port: int @param keyring: The TSIG keyring to use @type keyring: dict @param keyname: The name of the TSIG key to use @type keyname: dns.name.Name object or string @param relativize: If True, all names in the zone will be relativized to the zone origin. It is essential that the relativize setting matches the one specified to dns.zone.from_xfr(). @type relativize: bool @param af: the address family to use. The default is None, which causes the address family to use to be inferred from the form of where. If the inference attempt fails, AF_INET is used. @type af: int @param lifetime: The total number of seconds to spend doing the transfer. If None, the default, then there is no limit on the time the transfer may take. @type lifetime: float @rtype: generator of dns.message.Message objects. @param source: source address. The default is the wildcard address. @type source: string @param source_port: The port from which to send the message. The default is 0. @type source_port: int @param serial: The SOA serial number to use as the base for an IXFR diff sequence (only meaningful if rdtype == dns.rdatatype.IXFR). @type serial: int @param use_udp: Use UDP (only meaningful for IXFR) @type use_udp: bool @param keyalgorithm: The TSIG algorithm to use; defaults to dns.tsig.default_algorithm @type keyalgorithm: string """ if isinstance(zone, string_types): zone = dns.name.from_text(zone) if isinstance(rdtype, string_types): rdtype = dns.rdatatype.from_text(rdtype) q = dns.message.make_query(zone, rdtype, rdclass) if rdtype == dns.rdatatype.IXFR: rrset = dns.rrset.from_text(zone, 0, 'IN', 'SOA', '. . %u 0 0 0 0' % serial) q.authority.append(rrset) if keyring is not None: q.use_tsig(keyring, keyname, algorithm=keyalgorithm) wire = q.to_wire() (af, destination, source) = _destination_and_source(af, where, port, source, source_port) if use_udp: if rdtype != dns.rdatatype.IXFR: raise ValueError('cannot do a UDP AXFR') s = socket_factory(af, socket.SOCK_DGRAM, 0) else: s = socket_factory(af, socket.SOCK_STREAM, 0) s.setblocking(0) if source is not None: s.bind(source) expiration = _compute_expiration(lifetime) _connect(s, destination) l = len(wire) if use_udp: _wait_for_writable(s, expiration) s.send(wire) else: tcpmsg = struct.pack("!H", l) + wire _net_write(s, tcpmsg, expiration) done = False delete_mode = True expecting_SOA = False soa_rrset = None if relativize: origin = zone oname = dns.name.empty else: origin = None oname = zone tsig_ctx = None first = True while not done: mexpiration = _compute_expiration(timeout) if mexpiration is None or mexpiration > expiration: mexpiration = expiration if use_udp: _wait_for_readable(s, expiration) (wire, from_address) = s.recvfrom(65535) else: ldata = _net_read(s, 2, mexpiration) (l,) = struct.unpack("!H", ldata) wire = _net_read(s, l, mexpiration) is_ixfr = (rdtype == dns.rdatatype.IXFR) r = dns.message.from_wire(wire, keyring=q.keyring, request_mac=q.mac, xfr=True, origin=origin, tsig_ctx=tsig_ctx, multi=True, first=first, one_rr_per_rrset=is_ixfr) tsig_ctx = r.tsig_ctx first = False answer_index = 0 if soa_rrset is None: if not r.answer or r.answer[0].name != oname: raise dns.exception.FormError( "No answer or RRset not for qname") rrset = r.answer[0] if rrset.rdtype != dns.rdatatype.SOA: raise dns.exception.FormError("first RRset is not an SOA") answer_index = 1 soa_rrset = rrset.copy() if rdtype == dns.rdatatype.IXFR: if soa_rrset[0].serial <= serial: # # We're already up-to-date. # done = True else: expecting_SOA = True # # Process SOAs in the answer section (other than the initial # SOA in the first message). # for rrset in r.answer[answer_index:]: if done: raise dns.exception.FormError("answers after final SOA") if rrset.rdtype == dns.rdatatype.SOA and rrset.name == oname: if expecting_SOA: if rrset[0].serial != serial: raise dns.exception.FormError( "IXFR base serial mismatch") expecting_SOA = False elif rdtype == dns.rdatatype.IXFR: delete_mode = not delete_mode # # If this SOA RRset is equal to the first we saw then we're # finished. If this is an IXFR we also check that we're seeing # the record in the expected part of the response. # if rrset == soa_rrset and \ (rdtype == dns.rdatatype.AXFR or (rdtype == dns.rdatatype.IXFR and delete_mode)): done = True elif expecting_SOA: # # We made an IXFR request and are expecting another # SOA RR, but saw something else, so this must be an # AXFR response. # rdtype = dns.rdatatype.AXFR expecting_SOA = False if done and q.keyring and not r.had_tsig: raise dns.exception.FormError("missing TSIG") yield r s.close() dnspython-1.15.0/dns/rcode.py0000644000076500000240000000604012770261242016462 0ustar halleystaff00000000000000# Copyright (C) 2001-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. """DNS Result Codes.""" import dns.exception from ._compat import long NOERROR = 0 FORMERR = 1 SERVFAIL = 2 NXDOMAIN = 3 NOTIMP = 4 REFUSED = 5 YXDOMAIN = 6 YXRRSET = 7 NXRRSET = 8 NOTAUTH = 9 NOTZONE = 10 BADVERS = 16 _by_text = { 'NOERROR': NOERROR, 'FORMERR': FORMERR, 'SERVFAIL': SERVFAIL, 'NXDOMAIN': NXDOMAIN, 'NOTIMP': NOTIMP, 'REFUSED': REFUSED, 'YXDOMAIN': YXDOMAIN, 'YXRRSET': YXRRSET, 'NXRRSET': NXRRSET, 'NOTAUTH': NOTAUTH, 'NOTZONE': NOTZONE, 'BADVERS': BADVERS } # We construct the inverse mapping programmatically to ensure that we # cannot make any mistakes (e.g. omissions, cut-and-paste errors) that # would cause the mapping not to be a true inverse. _by_value = dict((y, x) for x, y in _by_text.items()) class UnknownRcode(dns.exception.DNSException): """A DNS rcode is unknown.""" def from_text(text): """Convert text into an rcode. @param text: the textual rcode @type text: string @raises UnknownRcode: the rcode is unknown @rtype: int """ if text.isdigit(): v = int(text) if v >= 0 and v <= 4095: return v v = _by_text.get(text.upper()) if v is None: raise UnknownRcode return v def from_flags(flags, ednsflags): """Return the rcode value encoded by flags and ednsflags. @param flags: the DNS flags @type flags: int @param ednsflags: the EDNS flags @type ednsflags: int @raises ValueError: rcode is < 0 or > 4095 @rtype: int """ value = (flags & 0x000f) | ((ednsflags >> 20) & 0xff0) if value < 0 or value > 4095: raise ValueError('rcode must be >= 0 and <= 4095') return value def to_flags(value): """Return a (flags, ednsflags) tuple which encodes the rcode. @param value: the rcode @type value: int @raises ValueError: rcode is < 0 or > 4095 @rtype: (int, int) tuple """ if value < 0 or value > 4095: raise ValueError('rcode must be >= 0 and <= 4095') v = value & 0xf ev = long(value & 0xff0) << 20 return (v, ev) def to_text(value): """Convert rcode into text. @param value: the rcode @type value: int @rtype: string """ text = _by_value.get(value) if text is None: text = str(value) return text dnspython-1.15.0/dns/rdata.py0000644000076500000240000003522512770261242016470 0ustar halleystaff00000000000000# Copyright (C) 2001-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. """DNS rdata. @var _rdata_modules: A dictionary mapping a (rdclass, rdtype) tuple to the module which implements that type. @type _rdata_modules: dict @var _module_prefix: The prefix to use when forming modules names. The default is 'dns.rdtypes'. Changing this value will break the library. @type _module_prefix: string @var _hex_chunk: At most this many octets that will be represented in each chunk of hexstring that _hexify() produces before whitespace occurs. @type _hex_chunk: int""" from io import BytesIO import base64 import binascii import dns.exception import dns.name import dns.rdataclass import dns.rdatatype import dns.tokenizer import dns.wiredata from ._compat import xrange, string_types, text_type _hex_chunksize = 32 def _hexify(data, chunksize=_hex_chunksize): """Convert a binary string into its hex encoding, broken up into chunks of I{chunksize} characters separated by a space. @param data: the binary string @type data: string @param chunksize: the chunk size. Default is L{dns.rdata._hex_chunksize} @rtype: string """ line = binascii.hexlify(data) return b' '.join([line[i:i + chunksize] for i in range(0, len(line), chunksize)]).decode() _base64_chunksize = 32 def _base64ify(data, chunksize=_base64_chunksize): """Convert a binary string into its base64 encoding, broken up into chunks of I{chunksize} characters separated by a space. @param data: the binary string @type data: string @param chunksize: the chunk size. Default is L{dns.rdata._base64_chunksize} @rtype: string """ line = base64.b64encode(data) return b' '.join([line[i:i + chunksize] for i in range(0, len(line), chunksize)]).decode() __escaped = bytearray(b'"\\') def _escapify(qstring): """Escape the characters in a quoted string which need it. @param qstring: the string @type qstring: string @returns: the escaped string @rtype: string """ if isinstance(qstring, text_type): qstring = qstring.encode() if not isinstance(qstring, bytearray): qstring = bytearray(qstring) text = '' for c in qstring: if c in __escaped: text += '\\' + chr(c) elif c >= 0x20 and c < 0x7F: text += chr(c) else: text += '\\%03d' % c return text def _truncate_bitmap(what): """Determine the index of greatest byte that isn't all zeros, and return the bitmap that contains all the bytes less than that index. @param what: a string of octets representing a bitmap. @type what: string @rtype: string """ for i in xrange(len(what) - 1, -1, -1): if what[i] != 0: return what[0: i + 1] return what[0:1] class Rdata(object): """Base class for all DNS rdata types. """ __slots__ = ['rdclass', 'rdtype'] def __init__(self, rdclass, rdtype): """Initialize an rdata. @param rdclass: The rdata class @type rdclass: int @param rdtype: The rdata type @type rdtype: int """ self.rdclass = rdclass self.rdtype = rdtype def covers(self): """DNS SIG/RRSIG rdatas apply to a specific type; this type is returned by the covers() function. If the rdata type is not SIG or RRSIG, dns.rdatatype.NONE is returned. This is useful when creating rdatasets, allowing the rdataset to contain only RRSIGs of a particular type, e.g. RRSIG(NS). @rtype: int """ return dns.rdatatype.NONE def extended_rdatatype(self): """Return a 32-bit type value, the least significant 16 bits of which are the ordinary DNS type, and the upper 16 bits of which are the "covered" type, if any. @rtype: int """ return self.covers() << 16 | self.rdtype def to_text(self, origin=None, relativize=True, **kw): """Convert an rdata to text format. @rtype: string """ raise NotImplementedError def to_wire(self, file, compress=None, origin=None): """Convert an rdata to wire format. @rtype: string """ raise NotImplementedError def to_digestable(self, origin=None): """Convert rdata to a format suitable for digesting in hashes. This is also the DNSSEC canonical form.""" f = BytesIO() self.to_wire(f, None, origin) return f.getvalue() def validate(self): """Check that the current contents of the rdata's fields are valid. If you change an rdata by assigning to its fields, it is a good idea to call validate() when you are done making changes. """ dns.rdata.from_text(self.rdclass, self.rdtype, self.to_text()) def __repr__(self): covers = self.covers() if covers == dns.rdatatype.NONE: ctext = '' else: ctext = '(' + dns.rdatatype.to_text(covers) + ')' return '' def __str__(self): return self.to_text() def _cmp(self, other): """Compare an rdata with another rdata of the same rdtype and rdclass. Return < 0 if self < other in the DNSSEC ordering, 0 if self == other, and > 0 if self > other. """ our = self.to_digestable(dns.name.root) their = other.to_digestable(dns.name.root) if our == their: return 0 if our > their: return 1 return -1 def __eq__(self, other): if not isinstance(other, Rdata): return False if self.rdclass != other.rdclass or self.rdtype != other.rdtype: return False return self._cmp(other) == 0 def __ne__(self, other): if not isinstance(other, Rdata): return True if self.rdclass != other.rdclass or self.rdtype != other.rdtype: return True return self._cmp(other) != 0 def __lt__(self, other): if not isinstance(other, Rdata) or \ self.rdclass != other.rdclass or self.rdtype != other.rdtype: return NotImplemented return self._cmp(other) < 0 def __le__(self, other): if not isinstance(other, Rdata) or \ self.rdclass != other.rdclass or self.rdtype != other.rdtype: return NotImplemented return self._cmp(other) <= 0 def __ge__(self, other): if not isinstance(other, Rdata) or \ self.rdclass != other.rdclass or self.rdtype != other.rdtype: return NotImplemented return self._cmp(other) >= 0 def __gt__(self, other): if not isinstance(other, Rdata) or \ self.rdclass != other.rdclass or self.rdtype != other.rdtype: return NotImplemented return self._cmp(other) > 0 def __hash__(self): return hash(self.to_digestable(dns.name.root)) @classmethod def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True): """Build an rdata object from text format. @param rdclass: The rdata class @type rdclass: int @param rdtype: The rdata type @type rdtype: int @param tok: The tokenizer @type tok: dns.tokenizer.Tokenizer @param origin: The origin to use for relative names @type origin: dns.name.Name @param relativize: should names be relativized? @type relativize: bool @rtype: dns.rdata.Rdata instance """ raise NotImplementedError @classmethod def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin=None): """Build an rdata object from wire format @param rdclass: The rdata class @type rdclass: int @param rdtype: The rdata type @type rdtype: int @param wire: The wire-format message @type wire: string @param current: The offset in wire of the beginning of the rdata. @type current: int @param rdlen: The length of the wire-format rdata @type rdlen: int @param origin: The origin to use for relative names @type origin: dns.name.Name @rtype: dns.rdata.Rdata instance """ raise NotImplementedError def choose_relativity(self, origin=None, relativize=True): """Convert any domain names in the rdata to the specified relativization. """ pass class GenericRdata(Rdata): """Generate Rdata Class This class is used for rdata types for which we have no better implementation. It implements the DNS "unknown RRs" scheme. """ __slots__ = ['data'] def __init__(self, rdclass, rdtype, data): super(GenericRdata, self).__init__(rdclass, rdtype) self.data = data def to_text(self, origin=None, relativize=True, **kw): return r'\# %d ' % len(self.data) + _hexify(self.data) @classmethod def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True): token = tok.get() if not token.is_identifier() or token.value != '\#': raise dns.exception.SyntaxError( r'generic rdata does not start with \#') length = tok.get_int() chunks = [] while 1: token = tok.get() if token.is_eol_or_eof(): break chunks.append(token.value.encode()) hex = b''.join(chunks) data = binascii.unhexlify(hex) if len(data) != length: raise dns.exception.SyntaxError( 'generic rdata hex data has wrong length') return cls(rdclass, rdtype, data) def to_wire(self, file, compress=None, origin=None): file.write(self.data) @classmethod def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin=None): return cls(rdclass, rdtype, wire[current: current + rdlen]) _rdata_modules = {} _module_prefix = 'dns.rdtypes' def get_rdata_class(rdclass, rdtype): def import_module(name): mod = __import__(name) components = name.split('.') for comp in components[1:]: mod = getattr(mod, comp) return mod mod = _rdata_modules.get((rdclass, rdtype)) rdclass_text = dns.rdataclass.to_text(rdclass) rdtype_text = dns.rdatatype.to_text(rdtype) rdtype_text = rdtype_text.replace('-', '_') if not mod: mod = _rdata_modules.get((dns.rdatatype.ANY, rdtype)) if not mod: try: mod = import_module('.'.join([_module_prefix, rdclass_text, rdtype_text])) _rdata_modules[(rdclass, rdtype)] = mod except ImportError: try: mod = import_module('.'.join([_module_prefix, 'ANY', rdtype_text])) _rdata_modules[(dns.rdataclass.ANY, rdtype)] = mod except ImportError: mod = None if mod: cls = getattr(mod, rdtype_text) else: cls = GenericRdata return cls def from_text(rdclass, rdtype, tok, origin=None, relativize=True): """Build an rdata object from text format. This function attempts to dynamically load a class which implements the specified rdata class and type. If there is no class-and-type-specific implementation, the GenericRdata class is used. Once a class is chosen, its from_text() class method is called with the parameters to this function. If I{tok} is a string, then a tokenizer is created and the string is used as its input. @param rdclass: The rdata class @type rdclass: int @param rdtype: The rdata type @type rdtype: int @param tok: The tokenizer or input text @type tok: dns.tokenizer.Tokenizer or string @param origin: The origin to use for relative names @type origin: dns.name.Name @param relativize: Should names be relativized? @type relativize: bool @rtype: dns.rdata.Rdata instance""" if isinstance(tok, string_types): tok = dns.tokenizer.Tokenizer(tok) cls = get_rdata_class(rdclass, rdtype) if cls != GenericRdata: # peek at first token token = tok.get() tok.unget(token) if token.is_identifier() and \ token.value == r'\#': # # Known type using the generic syntax. Extract the # wire form from the generic syntax, and then run # from_wire on it. # rdata = GenericRdata.from_text(rdclass, rdtype, tok, origin, relativize) return from_wire(rdclass, rdtype, rdata.data, 0, len(rdata.data), origin) return cls.from_text(rdclass, rdtype, tok, origin, relativize) def from_wire(rdclass, rdtype, wire, current, rdlen, origin=None): """Build an rdata object from wire format This function attempts to dynamically load a class which implements the specified rdata class and type. If there is no class-and-type-specific implementation, the GenericRdata class is used. Once a class is chosen, its from_wire() class method is called with the parameters to this function. @param rdclass: The rdata class @type rdclass: int @param rdtype: The rdata type @type rdtype: int @param wire: The wire-format message @type wire: string @param current: The offset in wire of the beginning of the rdata. @type current: int @param rdlen: The length of the wire-format rdata @type rdlen: int @param origin: The origin to use for relative names @type origin: dns.name.Name @rtype: dns.rdata.Rdata instance""" wire = dns.wiredata.maybe_wrap(wire) cls = get_rdata_class(rdclass, rdtype) return cls.from_wire(rdclass, rdtype, wire, current, rdlen, origin) dnspython-1.15.0/dns/rdataclass.py0000644000076500000240000000627212770261242017516 0ustar halleystaff00000000000000# Copyright (C) 2001-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. """DNS Rdata Classes. @var _by_text: The rdata class textual name to value mapping @type _by_text: dict @var _by_value: The rdata class value to textual name mapping @type _by_value: dict @var _metaclasses: If an rdataclass is a metaclass, there will be a mapping whose key is the rdatatype value and whose value is True in this dictionary. @type _metaclasses: dict""" import re import dns.exception RESERVED0 = 0 IN = 1 CH = 3 HS = 4 NONE = 254 ANY = 255 _by_text = { 'RESERVED0': RESERVED0, 'IN': IN, 'CH': CH, 'HS': HS, 'NONE': NONE, 'ANY': ANY } # We construct the inverse mapping programmatically to ensure that we # cannot make any mistakes (e.g. omissions, cut-and-paste errors) that # would cause the mapping not to be true inverse. _by_value = dict((y, x) for x, y in _by_text.items()) # Now that we've built the inverse map, we can add class aliases to # the _by_text mapping. _by_text.update({ 'INTERNET': IN, 'CHAOS': CH, 'HESIOD': HS }) _metaclasses = { NONE: True, ANY: True } _unknown_class_pattern = re.compile('CLASS([0-9]+)$', re.I) class UnknownRdataclass(dns.exception.DNSException): """A DNS class is unknown.""" def from_text(text): """Convert text into a DNS rdata class value. @param text: the text @type text: string @rtype: int @raises dns.rdataclass.UnknownRdataclass: the class is unknown @raises ValueError: the rdata class value is not >= 0 and <= 65535 """ value = _by_text.get(text.upper()) if value is None: match = _unknown_class_pattern.match(text) if match is None: raise UnknownRdataclass value = int(match.group(1)) if value < 0 or value > 65535: raise ValueError("class must be between >= 0 and <= 65535") return value def to_text(value): """Convert a DNS rdata class to text. @param value: the rdata class value @type value: int @rtype: string @raises ValueError: the rdata class value is not >= 0 and <= 65535 """ if value < 0 or value > 65535: raise ValueError("class must be between >= 0 and <= 65535") text = _by_value.get(value) if text is None: text = 'CLASS' + repr(value) return text def is_metaclass(rdclass): """True if the class is a metaclass. @param rdclass: the rdata class @type rdclass: int @rtype: bool""" if rdclass in _metaclasses: return True return False dnspython-1.15.0/dns/rdataset.py0000644000076500000240000002644412770261242017207 0ustar halleystaff00000000000000# Copyright (C) 2001-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. """DNS rdatasets (an rdataset is a set of rdatas of a given type and class)""" import random from io import StringIO import struct import dns.exception import dns.rdatatype import dns.rdataclass import dns.rdata import dns.set from ._compat import string_types # define SimpleSet here for backwards compatibility SimpleSet = dns.set.Set class DifferingCovers(dns.exception.DNSException): """An attempt was made to add a DNS SIG/RRSIG whose covered type is not the same as that of the other rdatas in the rdataset.""" class IncompatibleTypes(dns.exception.DNSException): """An attempt was made to add DNS RR data of an incompatible type.""" class Rdataset(dns.set.Set): """A DNS rdataset. @ivar rdclass: The class of the rdataset @type rdclass: int @ivar rdtype: The type of the rdataset @type rdtype: int @ivar covers: The covered type. Usually this value is dns.rdatatype.NONE, but if the rdtype is dns.rdatatype.SIG or dns.rdatatype.RRSIG, then the covers value will be the rdata type the SIG/RRSIG covers. The library treats the SIG and RRSIG types as if they were a family of types, e.g. RRSIG(A), RRSIG(NS), RRSIG(SOA). This makes RRSIGs much easier to work with than if RRSIGs covering different rdata types were aggregated into a single RRSIG rdataset. @type covers: int @ivar ttl: The DNS TTL (Time To Live) value @type ttl: int """ __slots__ = ['rdclass', 'rdtype', 'covers', 'ttl'] def __init__(self, rdclass, rdtype, covers=dns.rdatatype.NONE): """Create a new rdataset of the specified class and type. @see: the description of the class instance variables for the meaning of I{rdclass} and I{rdtype}""" super(Rdataset, self).__init__() self.rdclass = rdclass self.rdtype = rdtype self.covers = covers self.ttl = 0 def _clone(self): obj = super(Rdataset, self)._clone() obj.rdclass = self.rdclass obj.rdtype = self.rdtype obj.covers = self.covers obj.ttl = self.ttl return obj def update_ttl(self, ttl): """Set the TTL of the rdataset to be the lesser of the set's current TTL or the specified TTL. If the set contains no rdatas, set the TTL to the specified TTL. @param ttl: The TTL @type ttl: int""" if len(self) == 0: self.ttl = ttl elif ttl < self.ttl: self.ttl = ttl def add(self, rd, ttl=None): """Add the specified rdata to the rdataset. If the optional I{ttl} parameter is supplied, then self.update_ttl(ttl) will be called prior to adding the rdata. @param rd: The rdata @type rd: dns.rdata.Rdata object @param ttl: The TTL @type ttl: int""" # # If we're adding a signature, do some special handling to # check that the signature covers the same type as the # other rdatas in this rdataset. If this is the first rdata # in the set, initialize the covers field. # if self.rdclass != rd.rdclass or self.rdtype != rd.rdtype: raise IncompatibleTypes if ttl is not None: self.update_ttl(ttl) if self.rdtype == dns.rdatatype.RRSIG or \ self.rdtype == dns.rdatatype.SIG: covers = rd.covers() if len(self) == 0 and self.covers == dns.rdatatype.NONE: self.covers = covers elif self.covers != covers: raise DifferingCovers if dns.rdatatype.is_singleton(rd.rdtype) and len(self) > 0: self.clear() super(Rdataset, self).add(rd) def union_update(self, other): self.update_ttl(other.ttl) super(Rdataset, self).union_update(other) def intersection_update(self, other): self.update_ttl(other.ttl) super(Rdataset, self).intersection_update(other) def update(self, other): """Add all rdatas in other to self. @param other: The rdataset from which to update @type other: dns.rdataset.Rdataset object""" self.update_ttl(other.ttl) super(Rdataset, self).update(other) def __repr__(self): if self.covers == 0: ctext = '' else: ctext = '(' + dns.rdatatype.to_text(self.covers) + ')' return '' def __str__(self): return self.to_text() def __eq__(self, other): """Two rdatasets are equal if they have the same class, type, and covers, and contain the same rdata. @rtype: bool""" if not isinstance(other, Rdataset): return False if self.rdclass != other.rdclass or \ self.rdtype != other.rdtype or \ self.covers != other.covers: return False return super(Rdataset, self).__eq__(other) def __ne__(self, other): return not self.__eq__(other) def to_text(self, name=None, origin=None, relativize=True, override_rdclass=None, **kw): """Convert the rdataset into DNS master file format. @see: L{dns.name.Name.choose_relativity} for more information on how I{origin} and I{relativize} determine the way names are emitted. Any additional keyword arguments are passed on to the rdata to_text() method. @param name: If name is not None, emit a RRs with I{name} as the owner name. @type name: dns.name.Name object @param origin: The origin for relative names, or None. @type origin: dns.name.Name object @param relativize: True if names should names be relativized @type relativize: bool""" if name is not None: name = name.choose_relativity(origin, relativize) ntext = str(name) pad = ' ' else: ntext = '' pad = '' s = StringIO() if override_rdclass is not None: rdclass = override_rdclass else: rdclass = self.rdclass if len(self) == 0: # # Empty rdatasets are used for the question section, and in # some dynamic updates, so we don't need to print out the TTL # (which is meaningless anyway). # s.write(u'%s%s%s %s\n' % (ntext, pad, dns.rdataclass.to_text(rdclass), dns.rdatatype.to_text(self.rdtype))) else: for rd in self: s.write(u'%s%s%d %s %s %s\n' % (ntext, pad, self.ttl, dns.rdataclass.to_text(rdclass), dns.rdatatype.to_text(self.rdtype), rd.to_text(origin=origin, relativize=relativize, **kw))) # # We strip off the final \n for the caller's convenience in printing # return s.getvalue()[:-1] def to_wire(self, name, file, compress=None, origin=None, override_rdclass=None, want_shuffle=True): """Convert the rdataset to wire format. @param name: The owner name of the RRset that will be emitted @type name: dns.name.Name object @param file: The file to which the wire format data will be appended @type file: file @param compress: The compression table to use; the default is None. @type compress: dict @param origin: The origin to be appended to any relative names when they are emitted. The default is None. @returns: the number of records emitted @rtype: int """ if override_rdclass is not None: rdclass = override_rdclass want_shuffle = False else: rdclass = self.rdclass file.seek(0, 2) if len(self) == 0: name.to_wire(file, compress, origin) stuff = struct.pack("!HHIH", self.rdtype, rdclass, 0, 0) file.write(stuff) return 1 else: if want_shuffle: l = list(self) random.shuffle(l) else: l = self for rd in l: name.to_wire(file, compress, origin) stuff = struct.pack("!HHIH", self.rdtype, rdclass, self.ttl, 0) file.write(stuff) start = file.tell() rd.to_wire(file, compress, origin) end = file.tell() assert end - start < 65536 file.seek(start - 2) stuff = struct.pack("!H", end - start) file.write(stuff) file.seek(0, 2) return len(self) def match(self, rdclass, rdtype, covers): """Returns True if this rdataset matches the specified class, type, and covers""" if self.rdclass == rdclass and \ self.rdtype == rdtype and \ self.covers == covers: return True return False def from_text_list(rdclass, rdtype, ttl, text_rdatas): """Create an rdataset with the specified class, type, and TTL, and with the specified list of rdatas in text format. @rtype: dns.rdataset.Rdataset object """ if isinstance(rdclass, string_types): rdclass = dns.rdataclass.from_text(rdclass) if isinstance(rdtype, string_types): rdtype = dns.rdatatype.from_text(rdtype) r = Rdataset(rdclass, rdtype) r.update_ttl(ttl) for t in text_rdatas: rd = dns.rdata.from_text(r.rdclass, r.rdtype, t) r.add(rd) return r def from_text(rdclass, rdtype, ttl, *text_rdatas): """Create an rdataset with the specified class, type, and TTL, and with the specified rdatas in text format. @rtype: dns.rdataset.Rdataset object """ return from_text_list(rdclass, rdtype, ttl, text_rdatas) def from_rdata_list(ttl, rdatas): """Create an rdataset with the specified TTL, and with the specified list of rdata objects. @rtype: dns.rdataset.Rdataset object """ if len(rdatas) == 0: raise ValueError("rdata list must not be empty") r = None for rd in rdatas: if r is None: r = Rdataset(rd.rdclass, rd.rdtype) r.update_ttl(ttl) r.add(rd) return r def from_rdata(ttl, *rdatas): """Create an rdataset with the specified TTL, and with the specified rdata objects. @rtype: dns.rdataset.Rdataset object """ return from_rdata_list(ttl, rdatas) dnspython-1.15.0/dns/rdatatype.py0000644000076500000240000001233312770312005017357 0ustar halleystaff00000000000000# Copyright (C) 2001-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. """DNS Rdata Types. @var _by_text: The rdata type textual name to value mapping @type _by_text: dict @var _by_value: The rdata type value to textual name mapping @type _by_value: dict @var _metatypes: If an rdatatype is a metatype, there will be a mapping whose key is the rdatatype value and whose value is True in this dictionary. @type _metatypes: dict @var _singletons: If an rdatatype is a singleton, there will be a mapping whose key is the rdatatype value and whose value is True in this dictionary. @type _singletons: dict""" import re import dns.exception NONE = 0 A = 1 NS = 2 MD = 3 MF = 4 CNAME = 5 SOA = 6 MB = 7 MG = 8 MR = 9 NULL = 10 WKS = 11 PTR = 12 HINFO = 13 MINFO = 14 MX = 15 TXT = 16 RP = 17 AFSDB = 18 X25 = 19 ISDN = 20 RT = 21 NSAP = 22 NSAP_PTR = 23 SIG = 24 KEY = 25 PX = 26 GPOS = 27 AAAA = 28 LOC = 29 NXT = 30 SRV = 33 NAPTR = 35 KX = 36 CERT = 37 A6 = 38 DNAME = 39 OPT = 41 APL = 42 DS = 43 SSHFP = 44 IPSECKEY = 45 RRSIG = 46 NSEC = 47 DNSKEY = 48 DHCID = 49 NSEC3 = 50 NSEC3PARAM = 51 TLSA = 52 HIP = 55 CDS = 59 CDNSKEY = 60 CSYNC = 62 SPF = 99 UNSPEC = 103 EUI48 = 108 EUI64 = 109 TKEY = 249 TSIG = 250 IXFR = 251 AXFR = 252 MAILB = 253 MAILA = 254 ANY = 255 URI = 256 CAA = 257 AVC = 258 TA = 32768 DLV = 32769 _by_text = { 'NONE': NONE, 'A': A, 'NS': NS, 'MD': MD, 'MF': MF, 'CNAME': CNAME, 'SOA': SOA, 'MB': MB, 'MG': MG, 'MR': MR, 'NULL': NULL, 'WKS': WKS, 'PTR': PTR, 'HINFO': HINFO, 'MINFO': MINFO, 'MX': MX, 'TXT': TXT, 'RP': RP, 'AFSDB': AFSDB, 'X25': X25, 'ISDN': ISDN, 'RT': RT, 'NSAP': NSAP, 'NSAP-PTR': NSAP_PTR, 'SIG': SIG, 'KEY': KEY, 'PX': PX, 'GPOS': GPOS, 'AAAA': AAAA, 'LOC': LOC, 'NXT': NXT, 'SRV': SRV, 'NAPTR': NAPTR, 'KX': KX, 'CERT': CERT, 'A6': A6, 'DNAME': DNAME, 'OPT': OPT, 'APL': APL, 'DS': DS, 'SSHFP': SSHFP, 'IPSECKEY': IPSECKEY, 'RRSIG': RRSIG, 'NSEC': NSEC, 'DNSKEY': DNSKEY, 'DHCID': DHCID, 'NSEC3': NSEC3, 'NSEC3PARAM': NSEC3PARAM, 'TLSA': TLSA, 'HIP': HIP, 'CDS': CDS, 'CDNSKEY': CDNSKEY, 'CSYNC': CSYNC, 'SPF': SPF, 'UNSPEC': UNSPEC, 'EUI48': EUI48, 'EUI64': EUI64, 'TKEY': TKEY, 'TSIG': TSIG, 'IXFR': IXFR, 'AXFR': AXFR, 'MAILB': MAILB, 'MAILA': MAILA, 'ANY': ANY, 'URI': URI, 'CAA': CAA, 'AVC': AVC, 'TA': TA, 'DLV': DLV, } # We construct the inverse mapping programmatically to ensure that we # cannot make any mistakes (e.g. omissions, cut-and-paste errors) that # would cause the mapping not to be true inverse. _by_value = dict((y, x) for x, y in _by_text.items()) _metatypes = { OPT: True } _singletons = { SOA: True, NXT: True, DNAME: True, NSEC: True, # CNAME is technically a singleton, but we allow multiple CNAMEs. } _unknown_type_pattern = re.compile('TYPE([0-9]+)$', re.I) class UnknownRdatatype(dns.exception.DNSException): """DNS resource record type is unknown.""" def from_text(text): """Convert text into a DNS rdata type value. @param text: the text @type text: string @raises dns.rdatatype.UnknownRdatatype: the type is unknown @raises ValueError: the rdata type value is not >= 0 and <= 65535 @rtype: int""" value = _by_text.get(text.upper()) if value is None: match = _unknown_type_pattern.match(text) if match is None: raise UnknownRdatatype value = int(match.group(1)) if value < 0 or value > 65535: raise ValueError("type must be between >= 0 and <= 65535") return value def to_text(value): """Convert a DNS rdata type to text. @param value: the rdata type value @type value: int @raises ValueError: the rdata type value is not >= 0 and <= 65535 @rtype: string""" if value < 0 or value > 65535: raise ValueError("type must be between >= 0 and <= 65535") text = _by_value.get(value) if text is None: text = 'TYPE' + repr(value) return text def is_metatype(rdtype): """True if the type is a metatype. @param rdtype: the type @type rdtype: int @rtype: bool""" if rdtype >= TKEY and rdtype <= ANY or rdtype in _metatypes: return True return False def is_singleton(rdtype): """True if the type is a singleton. @param rdtype: the type @type rdtype: int @rtype: bool""" if rdtype in _singletons: return True return False dnspython-1.15.0/dns/rdtypes/0000755000076500000240000000000012773500725016513 5ustar halleystaff00000000000000dnspython-1.15.0/dns/rdtypes/__init__.py0000644000076500000240000000157712770261242020631 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. """DNS rdata type classes""" __all__ = [ 'ANY', 'IN', 'euibase', 'mxbase', 'nsbase', ] dnspython-1.15.0/dns/rdtypes/ANY/0000755000076500000240000000000012773500725017142 5ustar halleystaff00000000000000dnspython-1.15.0/dns/rdtypes/ANY/__init__.py0000644000076500000240000000230512770261242021246 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. """Class ANY (generic) rdata type classes.""" __all__ = [ 'AFSDB', 'CDNSKEY', 'CDS', 'CERT', 'CNAME', 'DLV', 'DNAME', 'DNSKEY', 'DS', 'EUI48', 'EUI64', 'GPOS', 'HINFO', 'HIP', 'ISDN', 'LOC', 'MX', 'NS', 'NSEC', 'NSEC3', 'NSEC3PARAM', 'TLSA', 'PTR', 'RP', 'RRSIG', 'RT', 'SOA', 'SPF', 'SSHFP', 'TXT', 'X25', ] dnspython-1.15.0/dns/rdtypes/ANY/AFSDB.py0000644000076500000240000000347012770261242020332 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. import dns.rdtypes.mxbase class AFSDB(dns.rdtypes.mxbase.UncompressedDowncasingMX): """AFSDB record @ivar subtype: the subtype value @type subtype: int @ivar hostname: the hostname name @type hostname: dns.name.Name object""" # Use the property mechanism to make "subtype" an alias for the # "preference" attribute, and "hostname" an alias for the "exchange" # attribute. # # This lets us inherit the UncompressedMX implementation but lets # the caller use appropriate attribute names for the rdata type. # # We probably lose some performance vs. a cut-and-paste # implementation, but this way we don't copy code, and that's # good. def get_subtype(self): return self.preference def set_subtype(self, subtype): self.preference = subtype subtype = property(get_subtype, set_subtype) def get_hostname(self): return self.exchange def set_hostname(self, hostname): self.exchange = hostname hostname = property(get_hostname, set_hostname) dnspython-1.15.0/dns/rdtypes/ANY/AVC.py0000644000076500000240000000166612770311723020131 0ustar halleystaff00000000000000# Copyright (C) 2016 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. import dns.rdtypes.txtbase class AVC(dns.rdtypes.txtbase.TXTBase): """AVC record @see: U{http://www.iana.org/assignments/dns-parameters/AVC/avc-completed-template}""" dnspython-1.15.0/dns/rdtypes/ANY/CAA.py0000644000076500000240000000507612770261242020103 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. import struct import dns.exception import dns.rdata import dns.tokenizer class CAA(dns.rdata.Rdata): """CAA (Certification Authority Authorization) record @ivar flags: the flags @type flags: int @ivar tag: the tag @type tag: string @ivar value: the value @type value: string @see: RFC 6844""" __slots__ = ['flags', 'tag', 'value'] def __init__(self, rdclass, rdtype, flags, tag, value): super(CAA, self).__init__(rdclass, rdtype) self.flags = flags self.tag = tag self.value = value def to_text(self, origin=None, relativize=True, **kw): return '%u %s "%s"' % (self.flags, dns.rdata._escapify(self.tag), dns.rdata._escapify(self.value)) @classmethod def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True): flags = tok.get_uint8() tag = tok.get_string().encode() if len(tag) > 255: raise dns.exception.SyntaxError("tag too long") if not tag.isalnum(): raise dns.exception.SyntaxError("tag is not alphanumeric") value = tok.get_string().encode() return cls(rdclass, rdtype, flags, tag, value) def to_wire(self, file, compress=None, origin=None): file.write(struct.pack('!B', self.flags)) l = len(self.tag) assert l < 256 file.write(struct.pack('!B', l)) file.write(self.tag) file.write(self.value) @classmethod def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin=None): (flags, l) = struct.unpack('!BB', wire[current: current + 2]) current += 2 tag = wire[current: current + l] value = wire[current + l:current + rdlen - 2] return cls(rdclass, rdtype, flags, tag, value) dnspython-1.15.0/dns/rdtypes/ANY/CDNSKEY.py0000644000076500000240000000200212770261242020601 0ustar halleystaff00000000000000# Copyright (C) 2004-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. import dns.rdtypes.dnskeybase from dns.rdtypes.dnskeybase import flags_to_text_set, flags_from_text_set __all__ = ['flags_to_text_set', 'flags_from_text_set'] class CDNSKEY(dns.rdtypes.dnskeybase.DNSKEYBase): """CDNSKEY record""" dnspython-1.15.0/dns/rdtypes/ANY/CDS.py0000644000076500000240000000155312770261242020124 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. import dns.rdtypes.dsbase class CDS(dns.rdtypes.dsbase.DSBase): """CDS record""" dnspython-1.15.0/dns/rdtypes/ANY/CERT.py0000644000076500000240000000755712770261242020262 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. import struct import base64 import dns.exception import dns.dnssec import dns.rdata import dns.tokenizer _ctype_by_value = { 1: 'PKIX', 2: 'SPKI', 3: 'PGP', 253: 'URI', 254: 'OID', } _ctype_by_name = { 'PKIX': 1, 'SPKI': 2, 'PGP': 3, 'URI': 253, 'OID': 254, } def _ctype_from_text(what): v = _ctype_by_name.get(what) if v is not None: return v return int(what) def _ctype_to_text(what): v = _ctype_by_value.get(what) if v is not None: return v return str(what) class CERT(dns.rdata.Rdata): """CERT record @ivar certificate_type: certificate type @type certificate_type: int @ivar key_tag: key tag @type key_tag: int @ivar algorithm: algorithm @type algorithm: int @ivar certificate: the certificate or CRL @type certificate: string @see: RFC 2538""" __slots__ = ['certificate_type', 'key_tag', 'algorithm', 'certificate'] def __init__(self, rdclass, rdtype, certificate_type, key_tag, algorithm, certificate): super(CERT, self).__init__(rdclass, rdtype) self.certificate_type = certificate_type self.key_tag = key_tag self.algorithm = algorithm self.certificate = certificate def to_text(self, origin=None, relativize=True, **kw): certificate_type = _ctype_to_text(self.certificate_type) return "%s %d %s %s" % (certificate_type, self.key_tag, dns.dnssec.algorithm_to_text(self.algorithm), dns.rdata._base64ify(self.certificate)) @classmethod def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True): certificate_type = _ctype_from_text(tok.get_string()) key_tag = tok.get_uint16() algorithm = dns.dnssec.algorithm_from_text(tok.get_string()) if algorithm < 0 or algorithm > 255: raise dns.exception.SyntaxError("bad algorithm type") chunks = [] while 1: t = tok.get().unescape() if t.is_eol_or_eof(): break if not t.is_identifier(): raise dns.exception.SyntaxError chunks.append(t.value.encode()) b64 = b''.join(chunks) certificate = base64.b64decode(b64) return cls(rdclass, rdtype, certificate_type, key_tag, algorithm, certificate) def to_wire(self, file, compress=None, origin=None): prefix = struct.pack("!HHB", self.certificate_type, self.key_tag, self.algorithm) file.write(prefix) file.write(self.certificate) @classmethod def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin=None): prefix = wire[current: current + 5].unwrap() current += 5 rdlen -= 5 if rdlen < 0: raise dns.exception.FormError (certificate_type, key_tag, algorithm) = struct.unpack("!HHB", prefix) certificate = wire[current: current + rdlen].unwrap() return cls(rdclass, rdtype, certificate_type, key_tag, algorithm, certificate) dnspython-1.15.0/dns/rdtypes/ANY/CNAME.py0000644000076500000240000000207412770261242020335 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. import dns.rdtypes.nsbase class CNAME(dns.rdtypes.nsbase.NSBase): """CNAME record Note: although CNAME is officially a singleton type, dnspython allows non-singleton CNAME rdatasets because such sets have been commonly used by BIND and other nameservers for load balancing.""" dnspython-1.15.0/dns/rdtypes/ANY/CSYNC.py0000644000076500000240000001104412770261242020366 0ustar halleystaff00000000000000# Copyright (C) 2004-2007, 2009-2011, 2016 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. import struct import dns.exception import dns.rdata import dns.rdatatype import dns.name from dns._compat import xrange class CSYNC(dns.rdata.Rdata): """CSYNC record @ivar serial: the SOA serial number @type serial: int @ivar flags: the CSYNC flags @type flags: int @ivar windows: the windowed bitmap list @type windows: list of (window number, string) tuples""" __slots__ = ['serial', 'flags', 'windows'] def __init__(self, rdclass, rdtype, serial, flags, windows): super(CSYNC, self).__init__(rdclass, rdtype) self.serial = serial self.flags = flags self.windows = windows def to_text(self, origin=None, relativize=True, **kw): text = '' for (window, bitmap) in self.windows: bits = [] for i in xrange(0, len(bitmap)): byte = bitmap[i] for j in xrange(0, 8): if byte & (0x80 >> j): bits.append(dns.rdatatype.to_text(window * 256 + i * 8 + j)) text += (' ' + ' '.join(bits)) return '%d %d%s' % (self.serial, self.flags, text) @classmethod def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True): serial = tok.get_uint32() flags = tok.get_uint16() rdtypes = [] while 1: token = tok.get().unescape() if token.is_eol_or_eof(): break nrdtype = dns.rdatatype.from_text(token.value) if nrdtype == 0: raise dns.exception.SyntaxError("CSYNC with bit 0") if nrdtype > 65535: raise dns.exception.SyntaxError("CSYNC with bit > 65535") rdtypes.append(nrdtype) rdtypes.sort() window = 0 octets = 0 prior_rdtype = 0 bitmap = bytearray(b'\0' * 32) windows = [] for nrdtype in rdtypes: if nrdtype == prior_rdtype: continue prior_rdtype = nrdtype new_window = nrdtype // 256 if new_window != window: windows.append((window, bitmap[0:octets])) bitmap = bytearray(b'\0' * 32) window = new_window offset = nrdtype % 256 byte = offset // 8 bit = offset % 8 octets = byte + 1 bitmap[byte] = bitmap[byte] | (0x80 >> bit) windows.append((window, bitmap[0:octets])) return cls(rdclass, rdtype, serial, flags, windows) def to_wire(self, file, compress=None, origin=None): file.write(struct.pack('!IH', self.serial, self.flags)) for (window, bitmap) in self.windows: file.write(struct.pack('!BB', window, len(bitmap))) file.write(bitmap) @classmethod def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin=None): if rdlen < 6: raise dns.exception.FormError("CSYNC too short") (serial, flags) = struct.unpack("!IH", wire[current: current + 6]) current += 6 rdlen -= 6 windows = [] while rdlen > 0: if rdlen < 3: raise dns.exception.FormError("CSYNC too short") window = wire[current] octets = wire[current + 1] if octets == 0 or octets > 32: raise dns.exception.FormError("bad CSYNC octets") current += 2 rdlen -= 2 if rdlen < octets: raise dns.exception.FormError("bad CSYNC bitmap length") bitmap = bytearray(wire[current: current + octets].unwrap()) current += octets rdlen -= octets windows.append((window, bitmap)) return cls(rdclass, rdtype, serial, flags, windows) dnspython-1.15.0/dns/rdtypes/ANY/DLV.py0000644000076500000240000000154012770261242020134 0ustar halleystaff00000000000000# Copyright (C) 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. import dns.rdtypes.dsbase class DLV(dns.rdtypes.dsbase.DSBase): """DLV record""" dnspython-1.15.0/dns/rdtypes/ANY/DNAME.py0000644000076500000240000000172312770261242020336 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. import dns.rdtypes.nsbase class DNAME(dns.rdtypes.nsbase.UncompressedNS): """DNAME record""" def to_digestable(self, origin=None): return self.target.to_digestable(origin) dnspython-1.15.0/dns/rdtypes/ANY/DNSKEY.py0000644000076500000240000000200012770261242020474 0ustar halleystaff00000000000000# Copyright (C) 2004-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. import dns.rdtypes.dnskeybase from dns.rdtypes.dnskeybase import flags_to_text_set, flags_from_text_set __all__ = ['flags_to_text_set', 'flags_from_text_set'] class DNSKEY(dns.rdtypes.dnskeybase.DNSKEYBase): """DNSKEY record""" dnspython-1.15.0/dns/rdtypes/ANY/DS.py0000644000076500000240000000155112770261242020017 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. import dns.rdtypes.dsbase class DS(dns.rdtypes.dsbase.DSBase): """DS record""" dnspython-1.15.0/dns/rdtypes/ANY/EUI48.py0000644000076500000240000000214412770261242020306 0ustar halleystaff00000000000000# Copyright (C) 2015 Red Hat, Inc. # Author: Petr Spacek # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED 'AS IS' AND RED HAT DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. import dns.rdtypes.euibase class EUI48(dns.rdtypes.euibase.EUIBase): """EUI48 record @ivar fingerprint: 48-bit Extended Unique Identifier (EUI-48) @type fingerprint: string @see: rfc7043.txt""" byte_len = 6 # 0123456789ab (in hex) text_len = byte_len * 3 - 1 # 01-23-45-67-89-ab dnspython-1.15.0/dns/rdtypes/ANY/EUI64.py0000644000076500000240000000215612770261242020307 0ustar halleystaff00000000000000# Copyright (C) 2015 Red Hat, Inc. # Author: Petr Spacek # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED 'AS IS' AND RED HAT DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. import dns.rdtypes.euibase class EUI64(dns.rdtypes.euibase.EUIBase): """EUI64 record @ivar fingerprint: 64-bit Extended Unique Identifier (EUI-64) @type fingerprint: string @see: rfc7043.txt""" byte_len = 8 # 0123456789abcdef (in hex) text_len = byte_len * 3 - 1 # 01-23-45-67-89-ab-cd-ef dnspython-1.15.0/dns/rdtypes/ANY/GPOS.py0000644000076500000240000001237112770261242020263 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. import struct import dns.exception import dns.rdata import dns.tokenizer from dns._compat import long, text_type def _validate_float_string(what): if what[0] == b'-'[0] or what[0] == b'+'[0]: what = what[1:] if what.isdigit(): return (left, right) = what.split(b'.') if left == b'' and right == b'': raise dns.exception.FormError if not left == b'' and not left.decode().isdigit(): raise dns.exception.FormError if not right == b'' and not right.decode().isdigit(): raise dns.exception.FormError def _sanitize(value): if isinstance(value, text_type): return value.encode() return value class GPOS(dns.rdata.Rdata): """GPOS record @ivar latitude: latitude @type latitude: string @ivar longitude: longitude @type longitude: string @ivar altitude: altitude @type altitude: string @see: RFC 1712""" __slots__ = ['latitude', 'longitude', 'altitude'] def __init__(self, rdclass, rdtype, latitude, longitude, altitude): super(GPOS, self).__init__(rdclass, rdtype) if isinstance(latitude, float) or \ isinstance(latitude, int) or \ isinstance(latitude, long): latitude = str(latitude) if isinstance(longitude, float) or \ isinstance(longitude, int) or \ isinstance(longitude, long): longitude = str(longitude) if isinstance(altitude, float) or \ isinstance(altitude, int) or \ isinstance(altitude, long): altitude = str(altitude) latitude = _sanitize(latitude) longitude = _sanitize(longitude) altitude = _sanitize(altitude) _validate_float_string(latitude) _validate_float_string(longitude) _validate_float_string(altitude) self.latitude = latitude self.longitude = longitude self.altitude = altitude def to_text(self, origin=None, relativize=True, **kw): return '%s %s %s' % (self.latitude.decode(), self.longitude.decode(), self.altitude.decode()) @classmethod def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True): latitude = tok.get_string() longitude = tok.get_string() altitude = tok.get_string() tok.get_eol() return cls(rdclass, rdtype, latitude, longitude, altitude) def to_wire(self, file, compress=None, origin=None): l = len(self.latitude) assert l < 256 file.write(struct.pack('!B', l)) file.write(self.latitude) l = len(self.longitude) assert l < 256 file.write(struct.pack('!B', l)) file.write(self.longitude) l = len(self.altitude) assert l < 256 file.write(struct.pack('!B', l)) file.write(self.altitude) @classmethod def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin=None): l = wire[current] current += 1 rdlen -= 1 if l > rdlen: raise dns.exception.FormError latitude = wire[current: current + l].unwrap() current += l rdlen -= l l = wire[current] current += 1 rdlen -= 1 if l > rdlen: raise dns.exception.FormError longitude = wire[current: current + l].unwrap() current += l rdlen -= l l = wire[current] current += 1 rdlen -= 1 if l != rdlen: raise dns.exception.FormError altitude = wire[current: current + l].unwrap() return cls(rdclass, rdtype, latitude, longitude, altitude) def _get_float_latitude(self): return float(self.latitude) def _set_float_latitude(self, value): self.latitude = str(value) float_latitude = property(_get_float_latitude, _set_float_latitude, doc="latitude as a floating point value") def _get_float_longitude(self): return float(self.longitude) def _set_float_longitude(self, value): self.longitude = str(value) float_longitude = property(_get_float_longitude, _set_float_longitude, doc="longitude as a floating point value") def _get_float_altitude(self): return float(self.altitude) def _set_float_altitude(self, value): self.altitude = str(value) float_altitude = property(_get_float_altitude, _set_float_altitude, doc="altitude as a floating point value") dnspython-1.15.0/dns/rdtypes/ANY/HINFO.py0000644000076500000240000000515112770261242020354 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. import struct import dns.exception import dns.rdata import dns.tokenizer from dns._compat import text_type class HINFO(dns.rdata.Rdata): """HINFO record @ivar cpu: the CPU type @type cpu: string @ivar os: the OS type @type os: string @see: RFC 1035""" __slots__ = ['cpu', 'os'] def __init__(self, rdclass, rdtype, cpu, os): super(HINFO, self).__init__(rdclass, rdtype) if isinstance(cpu, text_type): self.cpu = cpu.encode() else: self.cpu = cpu if isinstance(os, text_type): self.os = os.encode() else: self.os = os def to_text(self, origin=None, relativize=True, **kw): return '"%s" "%s"' % (dns.rdata._escapify(self.cpu), dns.rdata._escapify(self.os)) @classmethod def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True): cpu = tok.get_string() os = tok.get_string() tok.get_eol() return cls(rdclass, rdtype, cpu, os) def to_wire(self, file, compress=None, origin=None): l = len(self.cpu) assert l < 256 file.write(struct.pack('!B', l)) file.write(self.cpu) l = len(self.os) assert l < 256 file.write(struct.pack('!B', l)) file.write(self.os) @classmethod def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin=None): l = wire[current] current += 1 rdlen -= 1 if l > rdlen: raise dns.exception.FormError cpu = wire[current:current + l].unwrap() current += l rdlen -= l l = wire[current] current += 1 rdlen -= 1 if l != rdlen: raise dns.exception.FormError os = wire[current: current + l].unwrap() return cls(rdclass, rdtype, cpu, os) dnspython-1.15.0/dns/rdtypes/ANY/HIP.py0000644000076500000240000001006012770261242020124 0ustar halleystaff00000000000000# Copyright (C) 2010, 2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. import struct import base64 import binascii import dns.exception import dns.rdata import dns.rdatatype class HIP(dns.rdata.Rdata): """HIP record @ivar hit: the host identity tag @type hit: string @ivar algorithm: the public key cryptographic algorithm @type algorithm: int @ivar key: the public key @type key: string @ivar servers: the rendezvous servers @type servers: list of dns.name.Name objects @see: RFC 5205""" __slots__ = ['hit', 'algorithm', 'key', 'servers'] def __init__(self, rdclass, rdtype, hit, algorithm, key, servers): super(HIP, self).__init__(rdclass, rdtype) self.hit = hit self.algorithm = algorithm self.key = key self.servers = servers def to_text(self, origin=None, relativize=True, **kw): hit = binascii.hexlify(self.hit).decode() key = base64.b64encode(self.key).replace(b'\n', b'').decode() text = u'' servers = [] for server in self.servers: servers.append(server.choose_relativity(origin, relativize)) if len(servers) > 0: text += (u' ' + u' '.join((x.to_unicode() for x in servers))) return u'%u %s %s%s' % (self.algorithm, hit, key, text) @classmethod def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True): algorithm = tok.get_uint8() hit = binascii.unhexlify(tok.get_string().encode()) if len(hit) > 255: raise dns.exception.SyntaxError("HIT too long") key = base64.b64decode(tok.get_string().encode()) servers = [] while 1: token = tok.get() if token.is_eol_or_eof(): break server = dns.name.from_text(token.value, origin) server.choose_relativity(origin, relativize) servers.append(server) return cls(rdclass, rdtype, hit, algorithm, key, servers) def to_wire(self, file, compress=None, origin=None): lh = len(self.hit) lk = len(self.key) file.write(struct.pack("!BBH", lh, self.algorithm, lk)) file.write(self.hit) file.write(self.key) for server in self.servers: server.to_wire(file, None, origin) @classmethod def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin=None): (lh, algorithm, lk) = struct.unpack('!BBH', wire[current: current + 4]) current += 4 rdlen -= 4 hit = wire[current: current + lh].unwrap() current += lh rdlen -= lh key = wire[current: current + lk].unwrap() current += lk rdlen -= lk servers = [] while rdlen > 0: (server, cused) = dns.name.from_wire(wire[: current + rdlen], current) current += cused rdlen -= cused if origin is not None: server = server.relativize(origin) servers.append(server) return cls(rdclass, rdtype, hit, algorithm, key, servers) def choose_relativity(self, origin=None, relativize=True): servers = [] for server in self.servers: server = server.choose_relativity(origin, relativize) servers.append(server) self.servers = servers dnspython-1.15.0/dns/rdtypes/ANY/ISDN.py0000644000076500000240000000630512770261242020250 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. import struct import dns.exception import dns.rdata import dns.tokenizer from dns._compat import text_type class ISDN(dns.rdata.Rdata): """ISDN record @ivar address: the ISDN address @type address: string @ivar subaddress: the ISDN subaddress (or '' if not present) @type subaddress: string @see: RFC 1183""" __slots__ = ['address', 'subaddress'] def __init__(self, rdclass, rdtype, address, subaddress): super(ISDN, self).__init__(rdclass, rdtype) if isinstance(address, text_type): self.address = address.encode() else: self.address = address if isinstance(address, text_type): self.subaddress = subaddress.encode() else: self.subaddress = subaddress def to_text(self, origin=None, relativize=True, **kw): if self.subaddress: return '"%s" "%s"' % (dns.rdata._escapify(self.address), dns.rdata._escapify(self.subaddress)) else: return '"%s"' % dns.rdata._escapify(self.address) @classmethod def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True): address = tok.get_string() t = tok.get() if not t.is_eol_or_eof(): tok.unget(t) subaddress = tok.get_string() else: tok.unget(t) subaddress = '' tok.get_eol() return cls(rdclass, rdtype, address, subaddress) def to_wire(self, file, compress=None, origin=None): l = len(self.address) assert l < 256 file.write(struct.pack('!B', l)) file.write(self.address) l = len(self.subaddress) if l > 0: assert l < 256 file.write(struct.pack('!B', l)) file.write(self.subaddress) @classmethod def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin=None): l = wire[current] current += 1 rdlen -= 1 if l > rdlen: raise dns.exception.FormError address = wire[current: current + l].unwrap() current += l rdlen -= l if rdlen > 0: l = wire[current] current += 1 rdlen -= 1 if l != rdlen: raise dns.exception.FormError subaddress = wire[current: current + l].unwrap() else: subaddress = '' return cls(rdclass, rdtype, address, subaddress) dnspython-1.15.0/dns/rdtypes/ANY/LOC.py0000644000076500000240000002775012770261242020137 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. from __future__ import division import struct import dns.exception import dns.rdata from dns._compat import long, xrange, round_py2_compat _pows = tuple(long(10**i) for i in range(0, 11)) # default values are in centimeters _default_size = 100.0 _default_hprec = 1000000.0 _default_vprec = 1000.0 def _exponent_of(what, desc): if what == 0: return 0 exp = None for i in xrange(len(_pows)): if what // _pows[i] == long(0): exp = i - 1 break if exp is None or exp < 0: raise dns.exception.SyntaxError("%s value out of bounds" % desc) return exp def _float_to_tuple(what): if what < 0: sign = -1 what *= -1 else: sign = 1 what = round_py2_compat(what * 3600000) degrees = int(what // 3600000) what -= degrees * 3600000 minutes = int(what // 60000) what -= minutes * 60000 seconds = int(what // 1000) what -= int(seconds * 1000) what = int(what) return (degrees, minutes, seconds, what, sign) def _tuple_to_float(what): value = float(what[0]) value += float(what[1]) / 60.0 value += float(what[2]) / 3600.0 value += float(what[3]) / 3600000.0 return float(what[4]) * value def _encode_size(what, desc): what = long(what) exponent = _exponent_of(what, desc) & 0xF base = what // pow(10, exponent) & 0xF return base * 16 + exponent def _decode_size(what, desc): exponent = what & 0x0F if exponent > 9: raise dns.exception.SyntaxError("bad %s exponent" % desc) base = (what & 0xF0) >> 4 if base > 9: raise dns.exception.SyntaxError("bad %s base" % desc) return long(base) * pow(10, exponent) class LOC(dns.rdata.Rdata): """LOC record @ivar latitude: latitude @type latitude: (int, int, int, int, sign) tuple specifying the degrees, minutes, seconds, milliseconds, and sign of the coordinate. @ivar longitude: longitude @type longitude: (int, int, int, int, sign) tuple specifying the degrees, minutes, seconds, milliseconds, and sign of the coordinate. @ivar altitude: altitude @type altitude: float @ivar size: size of the sphere @type size: float @ivar horizontal_precision: horizontal precision @type horizontal_precision: float @ivar vertical_precision: vertical precision @type vertical_precision: float @see: RFC 1876""" __slots__ = ['latitude', 'longitude', 'altitude', 'size', 'horizontal_precision', 'vertical_precision'] def __init__(self, rdclass, rdtype, latitude, longitude, altitude, size=_default_size, hprec=_default_hprec, vprec=_default_vprec): """Initialize a LOC record instance. The parameters I{latitude} and I{longitude} may be either a 4-tuple of integers specifying (degrees, minutes, seconds, milliseconds), or they may be floating point values specifying the number of degrees. The other parameters are floats. Size, horizontal precision, and vertical precision are specified in centimeters.""" super(LOC, self).__init__(rdclass, rdtype) if isinstance(latitude, int) or isinstance(latitude, long): latitude = float(latitude) if isinstance(latitude, float): latitude = _float_to_tuple(latitude) self.latitude = latitude if isinstance(longitude, int) or isinstance(longitude, long): longitude = float(longitude) if isinstance(longitude, float): longitude = _float_to_tuple(longitude) self.longitude = longitude self.altitude = float(altitude) self.size = float(size) self.horizontal_precision = float(hprec) self.vertical_precision = float(vprec) def to_text(self, origin=None, relativize=True, **kw): if self.latitude[4] > 0: lat_hemisphere = 'N' else: lat_hemisphere = 'S' if self.longitude[4] > 0: long_hemisphere = 'E' else: long_hemisphere = 'W' text = "%d %d %d.%03d %s %d %d %d.%03d %s %0.2fm" % ( self.latitude[0], self.latitude[1], self.latitude[2], self.latitude[3], lat_hemisphere, self.longitude[0], self.longitude[1], self.longitude[2], self.longitude[3], long_hemisphere, self.altitude / 100.0 ) # do not print default values if self.size != _default_size or \ self.horizontal_precision != _default_hprec or \ self.vertical_precision != _default_vprec: text += " %0.2fm %0.2fm %0.2fm" % ( self.size / 100.0, self.horizontal_precision / 100.0, self.vertical_precision / 100.0 ) return text @classmethod def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True): latitude = [0, 0, 0, 0, 1] longitude = [0, 0, 0, 0, 1] size = _default_size hprec = _default_hprec vprec = _default_vprec latitude[0] = tok.get_int() t = tok.get_string() if t.isdigit(): latitude[1] = int(t) t = tok.get_string() if '.' in t: (seconds, milliseconds) = t.split('.') if not seconds.isdigit(): raise dns.exception.SyntaxError( 'bad latitude seconds value') latitude[2] = int(seconds) if latitude[2] >= 60: raise dns.exception.SyntaxError('latitude seconds >= 60') l = len(milliseconds) if l == 0 or l > 3 or not milliseconds.isdigit(): raise dns.exception.SyntaxError( 'bad latitude milliseconds value') if l == 1: m = 100 elif l == 2: m = 10 else: m = 1 latitude[3] = m * int(milliseconds) t = tok.get_string() elif t.isdigit(): latitude[2] = int(t) t = tok.get_string() if t == 'S': latitude[4] = -1 elif t != 'N': raise dns.exception.SyntaxError('bad latitude hemisphere value') longitude[0] = tok.get_int() t = tok.get_string() if t.isdigit(): longitude[1] = int(t) t = tok.get_string() if '.' in t: (seconds, milliseconds) = t.split('.') if not seconds.isdigit(): raise dns.exception.SyntaxError( 'bad longitude seconds value') longitude[2] = int(seconds) if longitude[2] >= 60: raise dns.exception.SyntaxError('longitude seconds >= 60') l = len(milliseconds) if l == 0 or l > 3 or not milliseconds.isdigit(): raise dns.exception.SyntaxError( 'bad longitude milliseconds value') if l == 1: m = 100 elif l == 2: m = 10 else: m = 1 longitude[3] = m * int(milliseconds) t = tok.get_string() elif t.isdigit(): longitude[2] = int(t) t = tok.get_string() if t == 'W': longitude[4] = -1 elif t != 'E': raise dns.exception.SyntaxError('bad longitude hemisphere value') t = tok.get_string() if t[-1] == 'm': t = t[0: -1] altitude = float(t) * 100.0 # m -> cm token = tok.get().unescape() if not token.is_eol_or_eof(): value = token.value if value[-1] == 'm': value = value[0: -1] size = float(value) * 100.0 # m -> cm token = tok.get().unescape() if not token.is_eol_or_eof(): value = token.value if value[-1] == 'm': value = value[0: -1] hprec = float(value) * 100.0 # m -> cm token = tok.get().unescape() if not token.is_eol_or_eof(): value = token.value if value[-1] == 'm': value = value[0: -1] vprec = float(value) * 100.0 # m -> cm tok.get_eol() return cls(rdclass, rdtype, latitude, longitude, altitude, size, hprec, vprec) def to_wire(self, file, compress=None, origin=None): milliseconds = (self.latitude[0] * 3600000 + self.latitude[1] * 60000 + self.latitude[2] * 1000 + self.latitude[3]) * self.latitude[4] latitude = long(0x80000000) + milliseconds milliseconds = (self.longitude[0] * 3600000 + self.longitude[1] * 60000 + self.longitude[2] * 1000 + self.longitude[3]) * self.longitude[4] longitude = long(0x80000000) + milliseconds altitude = long(self.altitude) + long(10000000) size = _encode_size(self.size, "size") hprec = _encode_size(self.horizontal_precision, "horizontal precision") vprec = _encode_size(self.vertical_precision, "vertical precision") wire = struct.pack("!BBBBIII", 0, size, hprec, vprec, latitude, longitude, altitude) file.write(wire) @classmethod def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin=None): (version, size, hprec, vprec, latitude, longitude, altitude) = \ struct.unpack("!BBBBIII", wire[current: current + rdlen]) if latitude > long(0x80000000): latitude = float(latitude - long(0x80000000)) / 3600000 else: latitude = -1 * float(long(0x80000000) - latitude) / 3600000 if latitude < -90.0 or latitude > 90.0: raise dns.exception.FormError("bad latitude") if longitude > long(0x80000000): longitude = float(longitude - long(0x80000000)) / 3600000 else: longitude = -1 * float(long(0x80000000) - longitude) / 3600000 if longitude < -180.0 or longitude > 180.0: raise dns.exception.FormError("bad longitude") altitude = float(altitude) - 10000000.0 size = _decode_size(size, "size") hprec = _decode_size(hprec, "horizontal precision") vprec = _decode_size(vprec, "vertical precision") return cls(rdclass, rdtype, latitude, longitude, altitude, size, hprec, vprec) def _get_float_latitude(self): return _tuple_to_float(self.latitude) def _set_float_latitude(self, value): self.latitude = _float_to_tuple(value) float_latitude = property(_get_float_latitude, _set_float_latitude, doc="latitude as a floating point value") def _get_float_longitude(self): return _tuple_to_float(self.longitude) def _set_float_longitude(self, value): self.longitude = _float_to_tuple(value) float_longitude = property(_get_float_longitude, _set_float_longitude, doc="longitude as a floating point value") dnspython-1.15.0/dns/rdtypes/ANY/MX.py0000644000076500000240000000155112770261242020035 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. import dns.rdtypes.mxbase class MX(dns.rdtypes.mxbase.MXBase): """MX record""" dnspython-1.15.0/dns/rdtypes/ANY/NS.py0000644000076500000240000000155112770261242020031 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. import dns.rdtypes.nsbase class NS(dns.rdtypes.nsbase.NSBase): """NS record""" dnspython-1.15.0/dns/rdtypes/ANY/NSEC.py0000644000076500000240000001112212770261242020234 0ustar halleystaff00000000000000# Copyright (C) 2004-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. import struct import dns.exception import dns.rdata import dns.rdatatype import dns.name from dns._compat import xrange class NSEC(dns.rdata.Rdata): """NSEC record @ivar next: the next name @type next: dns.name.Name object @ivar windows: the windowed bitmap list @type windows: list of (window number, string) tuples""" __slots__ = ['next', 'windows'] def __init__(self, rdclass, rdtype, next, windows): super(NSEC, self).__init__(rdclass, rdtype) self.next = next self.windows = windows def to_text(self, origin=None, relativize=True, **kw): next = self.next.choose_relativity(origin, relativize) text = '' for (window, bitmap) in self.windows: bits = [] for i in xrange(0, len(bitmap)): byte = bitmap[i] for j in xrange(0, 8): if byte & (0x80 >> j): bits.append(dns.rdatatype.to_text(window * 256 + i * 8 + j)) text += (' ' + ' '.join(bits)) return '%s%s' % (next, text) @classmethod def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True): next = tok.get_name() next = next.choose_relativity(origin, relativize) rdtypes = [] while 1: token = tok.get().unescape() if token.is_eol_or_eof(): break nrdtype = dns.rdatatype.from_text(token.value) if nrdtype == 0: raise dns.exception.SyntaxError("NSEC with bit 0") if nrdtype > 65535: raise dns.exception.SyntaxError("NSEC with bit > 65535") rdtypes.append(nrdtype) rdtypes.sort() window = 0 octets = 0 prior_rdtype = 0 bitmap = bytearray(b'\0' * 32) windows = [] for nrdtype in rdtypes: if nrdtype == prior_rdtype: continue prior_rdtype = nrdtype new_window = nrdtype // 256 if new_window != window: windows.append((window, bitmap[0:octets])) bitmap = bytearray(b'\0' * 32) window = new_window offset = nrdtype % 256 byte = offset // 8 bit = offset % 8 octets = byte + 1 bitmap[byte] = bitmap[byte] | (0x80 >> bit) windows.append((window, bitmap[0:octets])) return cls(rdclass, rdtype, next, windows) def to_wire(self, file, compress=None, origin=None): self.next.to_wire(file, None, origin) for (window, bitmap) in self.windows: file.write(struct.pack('!BB', window, len(bitmap))) file.write(bitmap) @classmethod def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin=None): (next, cused) = dns.name.from_wire(wire[: current + rdlen], current) current += cused rdlen -= cused windows = [] while rdlen > 0: if rdlen < 3: raise dns.exception.FormError("NSEC too short") window = wire[current] octets = wire[current + 1] if octets == 0 or octets > 32: raise dns.exception.FormError("bad NSEC octets") current += 2 rdlen -= 2 if rdlen < octets: raise dns.exception.FormError("bad NSEC bitmap length") bitmap = bytearray(wire[current: current + octets].unwrap()) current += octets rdlen -= octets windows.append((window, bitmap)) if origin is not None: next = next.relativize(origin) return cls(rdclass, rdtype, next, windows) def choose_relativity(self, origin=None, relativize=True): self.next = self.next.choose_relativity(origin, relativize) dnspython-1.15.0/dns/rdtypes/ANY/NSEC3.py0000644000076500000240000001564112770261242020331 0ustar halleystaff00000000000000# Copyright (C) 2004-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. import base64 import binascii import string import struct import dns.exception import dns.rdata import dns.rdatatype from dns._compat import xrange, text_type try: b32_hex_to_normal = string.maketrans('0123456789ABCDEFGHIJKLMNOPQRSTUV', 'ABCDEFGHIJKLMNOPQRSTUVWXYZ234567') b32_normal_to_hex = string.maketrans('ABCDEFGHIJKLMNOPQRSTUVWXYZ234567', '0123456789ABCDEFGHIJKLMNOPQRSTUV') except AttributeError: b32_hex_to_normal = bytes.maketrans(b'0123456789ABCDEFGHIJKLMNOPQRSTUV', b'ABCDEFGHIJKLMNOPQRSTUVWXYZ234567') b32_normal_to_hex = bytes.maketrans(b'ABCDEFGHIJKLMNOPQRSTUVWXYZ234567', b'0123456789ABCDEFGHIJKLMNOPQRSTUV') # hash algorithm constants SHA1 = 1 # flag constants OPTOUT = 1 class NSEC3(dns.rdata.Rdata): """NSEC3 record @ivar algorithm: the hash algorithm number @type algorithm: int @ivar flags: the flags @type flags: int @ivar iterations: the number of iterations @type iterations: int @ivar salt: the salt @type salt: string @ivar next: the next name hash @type next: string @ivar windows: the windowed bitmap list @type windows: list of (window number, string) tuples""" __slots__ = ['algorithm', 'flags', 'iterations', 'salt', 'next', 'windows'] def __init__(self, rdclass, rdtype, algorithm, flags, iterations, salt, next, windows): super(NSEC3, self).__init__(rdclass, rdtype) self.algorithm = algorithm self.flags = flags self.iterations = iterations if isinstance(salt, text_type): self.salt = salt.encode() else: self.salt = salt self.next = next self.windows = windows def to_text(self, origin=None, relativize=True, **kw): next = base64.b32encode(self.next).translate( b32_normal_to_hex).lower().decode() if self.salt == b'': salt = '-' else: salt = binascii.hexlify(self.salt).decode() text = u'' for (window, bitmap) in self.windows: bits = [] for i in xrange(0, len(bitmap)): byte = bitmap[i] for j in xrange(0, 8): if byte & (0x80 >> j): bits.append(dns.rdatatype.to_text(window * 256 + i * 8 + j)) text += (u' ' + u' '.join(bits)) return u'%u %u %u %s %s%s' % (self.algorithm, self.flags, self.iterations, salt, next, text) @classmethod def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True): algorithm = tok.get_uint8() flags = tok.get_uint8() iterations = tok.get_uint16() salt = tok.get_string() if salt == u'-': salt = b'' else: salt = binascii.unhexlify(salt.encode('ascii')) next = tok.get_string().encode( 'ascii').upper().translate(b32_hex_to_normal) next = base64.b32decode(next) rdtypes = [] while 1: token = tok.get().unescape() if token.is_eol_or_eof(): break nrdtype = dns.rdatatype.from_text(token.value) if nrdtype == 0: raise dns.exception.SyntaxError("NSEC3 with bit 0") if nrdtype > 65535: raise dns.exception.SyntaxError("NSEC3 with bit > 65535") rdtypes.append(nrdtype) rdtypes.sort() window = 0 octets = 0 prior_rdtype = 0 bitmap = bytearray(b'\0' * 32) windows = [] for nrdtype in rdtypes: if nrdtype == prior_rdtype: continue prior_rdtype = nrdtype new_window = nrdtype // 256 if new_window != window: if octets != 0: windows.append((window, ''.join(bitmap[0:octets]))) bitmap = bytearray(b'\0' * 32) window = new_window offset = nrdtype % 256 byte = offset // 8 bit = offset % 8 octets = byte + 1 bitmap[byte] = bitmap[byte] | (0x80 >> bit) if octets != 0: windows.append((window, bitmap[0:octets])) return cls(rdclass, rdtype, algorithm, flags, iterations, salt, next, windows) def to_wire(self, file, compress=None, origin=None): l = len(self.salt) file.write(struct.pack("!BBHB", self.algorithm, self.flags, self.iterations, l)) file.write(self.salt) l = len(self.next) file.write(struct.pack("!B", l)) file.write(self.next) for (window, bitmap) in self.windows: file.write(struct.pack("!BB", window, len(bitmap))) file.write(bitmap) @classmethod def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin=None): (algorithm, flags, iterations, slen) = \ struct.unpack('!BBHB', wire[current: current + 5]) current += 5 rdlen -= 5 salt = wire[current: current + slen].unwrap() current += slen rdlen -= slen nlen = wire[current] current += 1 rdlen -= 1 next = wire[current: current + nlen].unwrap() current += nlen rdlen -= nlen windows = [] while rdlen > 0: if rdlen < 3: raise dns.exception.FormError("NSEC3 too short") window = wire[current] octets = wire[current + 1] if octets == 0 or octets > 32: raise dns.exception.FormError("bad NSEC3 octets") current += 2 rdlen -= 2 if rdlen < octets: raise dns.exception.FormError("bad NSEC3 bitmap length") bitmap = bytearray(wire[current: current + octets].unwrap()) current += octets rdlen -= octets windows.append((window, bitmap)) return cls(rdclass, rdtype, algorithm, flags, iterations, salt, next, windows) dnspython-1.15.0/dns/rdtypes/ANY/NSEC3PARAM.py0000644000076500000240000000603212770261242021104 0ustar halleystaff00000000000000# Copyright (C) 2004-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. import struct import binascii import dns.exception import dns.rdata from dns._compat import text_type class NSEC3PARAM(dns.rdata.Rdata): """NSEC3PARAM record @ivar algorithm: the hash algorithm number @type algorithm: int @ivar flags: the flags @type flags: int @ivar iterations: the number of iterations @type iterations: int @ivar salt: the salt @type salt: string""" __slots__ = ['algorithm', 'flags', 'iterations', 'salt'] def __init__(self, rdclass, rdtype, algorithm, flags, iterations, salt): super(NSEC3PARAM, self).__init__(rdclass, rdtype) self.algorithm = algorithm self.flags = flags self.iterations = iterations if isinstance(salt, text_type): self.salt = salt.encode() else: self.salt = salt def to_text(self, origin=None, relativize=True, **kw): if self.salt == b'': salt = '-' else: salt = binascii.hexlify(self.salt).decode() return '%u %u %u %s' % (self.algorithm, self.flags, self.iterations, salt) @classmethod def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True): algorithm = tok.get_uint8() flags = tok.get_uint8() iterations = tok.get_uint16() salt = tok.get_string() if salt == '-': salt = '' else: salt = binascii.unhexlify(salt.encode()) tok.get_eol() return cls(rdclass, rdtype, algorithm, flags, iterations, salt) def to_wire(self, file, compress=None, origin=None): l = len(self.salt) file.write(struct.pack("!BBHB", self.algorithm, self.flags, self.iterations, l)) file.write(self.salt) @classmethod def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin=None): (algorithm, flags, iterations, slen) = \ struct.unpack('!BBHB', wire[current: current + 5]) current += 5 rdlen -= 5 salt = wire[current: current + slen].unwrap() current += slen rdlen -= slen if rdlen != 0: raise dns.exception.FormError return cls(rdclass, rdtype, algorithm, flags, iterations, salt) dnspython-1.15.0/dns/rdtypes/ANY/PTR.py0000644000076500000240000000155312770261242020160 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. import dns.rdtypes.nsbase class PTR(dns.rdtypes.nsbase.NSBase): """PTR record""" dnspython-1.15.0/dns/rdtypes/ANY/RP.py0000644000076500000240000000577612770261242020047 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. import dns.exception import dns.rdata import dns.name class RP(dns.rdata.Rdata): """RP record @ivar mbox: The responsible person's mailbox @type mbox: dns.name.Name object @ivar txt: The owner name of a node with TXT records, or the root name if no TXT records are associated with this RP. @type txt: dns.name.Name object @see: RFC 1183""" __slots__ = ['mbox', 'txt'] def __init__(self, rdclass, rdtype, mbox, txt): super(RP, self).__init__(rdclass, rdtype) self.mbox = mbox self.txt = txt def to_text(self, origin=None, relativize=True, **kw): mbox = self.mbox.choose_relativity(origin, relativize) txt = self.txt.choose_relativity(origin, relativize) return "%s %s" % (str(mbox), str(txt)) @classmethod def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True): mbox = tok.get_name() txt = tok.get_name() mbox = mbox.choose_relativity(origin, relativize) txt = txt.choose_relativity(origin, relativize) tok.get_eol() return cls(rdclass, rdtype, mbox, txt) def to_wire(self, file, compress=None, origin=None): self.mbox.to_wire(file, None, origin) self.txt.to_wire(file, None, origin) def to_digestable(self, origin=None): return self.mbox.to_digestable(origin) + \ self.txt.to_digestable(origin) @classmethod def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin=None): (mbox, cused) = dns.name.from_wire(wire[: current + rdlen], current) current += cused rdlen -= cused if rdlen <= 0: raise dns.exception.FormError (txt, cused) = dns.name.from_wire(wire[: current + rdlen], current) if cused != rdlen: raise dns.exception.FormError if origin is not None: mbox = mbox.relativize(origin) txt = txt.relativize(origin) return cls(rdclass, rdtype, mbox, txt) def choose_relativity(self, origin=None, relativize=True): self.mbox = self.mbox.choose_relativity(origin, relativize) self.txt = self.txt.choose_relativity(origin, relativize) dnspython-1.15.0/dns/rdtypes/ANY/RRSIG.py0000644000076500000240000001303712770261242020401 0ustar halleystaff00000000000000# Copyright (C) 2004-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. import base64 import calendar import struct import time import dns.dnssec import dns.exception import dns.rdata import dns.rdatatype class BadSigTime(dns.exception.DNSException): """Time in DNS SIG or RRSIG resource record cannot be parsed.""" def sigtime_to_posixtime(what): if len(what) != 14: raise BadSigTime year = int(what[0:4]) month = int(what[4:6]) day = int(what[6:8]) hour = int(what[8:10]) minute = int(what[10:12]) second = int(what[12:14]) return calendar.timegm((year, month, day, hour, minute, second, 0, 0, 0)) def posixtime_to_sigtime(what): return time.strftime('%Y%m%d%H%M%S', time.gmtime(what)) class RRSIG(dns.rdata.Rdata): """RRSIG record @ivar type_covered: the rdata type this signature covers @type type_covered: int @ivar algorithm: the algorithm used for the sig @type algorithm: int @ivar labels: number of labels @type labels: int @ivar original_ttl: the original TTL @type original_ttl: long @ivar expiration: signature expiration time @type expiration: long @ivar inception: signature inception time @type inception: long @ivar key_tag: the key tag @type key_tag: int @ivar signer: the signer @type signer: dns.name.Name object @ivar signature: the signature @type signature: string""" __slots__ = ['type_covered', 'algorithm', 'labels', 'original_ttl', 'expiration', 'inception', 'key_tag', 'signer', 'signature'] def __init__(self, rdclass, rdtype, type_covered, algorithm, labels, original_ttl, expiration, inception, key_tag, signer, signature): super(RRSIG, self).__init__(rdclass, rdtype) self.type_covered = type_covered self.algorithm = algorithm self.labels = labels self.original_ttl = original_ttl self.expiration = expiration self.inception = inception self.key_tag = key_tag self.signer = signer self.signature = signature def covers(self): return self.type_covered def to_text(self, origin=None, relativize=True, **kw): return '%s %d %d %d %s %s %d %s %s' % ( dns.rdatatype.to_text(self.type_covered), self.algorithm, self.labels, self.original_ttl, posixtime_to_sigtime(self.expiration), posixtime_to_sigtime(self.inception), self.key_tag, self.signer.choose_relativity(origin, relativize), dns.rdata._base64ify(self.signature) ) @classmethod def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True): type_covered = dns.rdatatype.from_text(tok.get_string()) algorithm = dns.dnssec.algorithm_from_text(tok.get_string()) labels = tok.get_int() original_ttl = tok.get_ttl() expiration = sigtime_to_posixtime(tok.get_string()) inception = sigtime_to_posixtime(tok.get_string()) key_tag = tok.get_int() signer = tok.get_name() signer = signer.choose_relativity(origin, relativize) chunks = [] while 1: t = tok.get().unescape() if t.is_eol_or_eof(): break if not t.is_identifier(): raise dns.exception.SyntaxError chunks.append(t.value.encode()) b64 = b''.join(chunks) signature = base64.b64decode(b64) return cls(rdclass, rdtype, type_covered, algorithm, labels, original_ttl, expiration, inception, key_tag, signer, signature) def to_wire(self, file, compress=None, origin=None): header = struct.pack('!HBBIIIH', self.type_covered, self.algorithm, self.labels, self.original_ttl, self.expiration, self.inception, self.key_tag) file.write(header) self.signer.to_wire(file, None, origin) file.write(self.signature) @classmethod def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin=None): header = struct.unpack('!HBBIIIH', wire[current: current + 18]) current += 18 rdlen -= 18 (signer, cused) = dns.name.from_wire(wire[: current + rdlen], current) current += cused rdlen -= cused if origin is not None: signer = signer.relativize(origin) signature = wire[current: current + rdlen].unwrap() return cls(rdclass, rdtype, header[0], header[1], header[2], header[3], header[4], header[5], header[6], signer, signature) def choose_relativity(self, origin=None, relativize=True): self.signer = self.signer.choose_relativity(origin, relativize) dnspython-1.15.0/dns/rdtypes/ANY/RT.py0000644000076500000240000000157312770261242020042 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. import dns.rdtypes.mxbase class RT(dns.rdtypes.mxbase.UncompressedDowncasingMX): """RT record""" dnspython-1.15.0/dns/rdtypes/ANY/SOA.py0000644000076500000240000001065012770261242020133 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. import struct import dns.exception import dns.rdata import dns.name class SOA(dns.rdata.Rdata): """SOA record @ivar mname: the SOA MNAME (master name) field @type mname: dns.name.Name object @ivar rname: the SOA RNAME (responsible name) field @type rname: dns.name.Name object @ivar serial: The zone's serial number @type serial: int @ivar refresh: The zone's refresh value (in seconds) @type refresh: int @ivar retry: The zone's retry value (in seconds) @type retry: int @ivar expire: The zone's expiration value (in seconds) @type expire: int @ivar minimum: The zone's negative caching time (in seconds, called "minimum" for historical reasons) @type minimum: int @see: RFC 1035""" __slots__ = ['mname', 'rname', 'serial', 'refresh', 'retry', 'expire', 'minimum'] def __init__(self, rdclass, rdtype, mname, rname, serial, refresh, retry, expire, minimum): super(SOA, self).__init__(rdclass, rdtype) self.mname = mname self.rname = rname self.serial = serial self.refresh = refresh self.retry = retry self.expire = expire self.minimum = minimum def to_text(self, origin=None, relativize=True, **kw): mname = self.mname.choose_relativity(origin, relativize) rname = self.rname.choose_relativity(origin, relativize) return '%s %s %d %d %d %d %d' % ( mname, rname, self.serial, self.refresh, self.retry, self.expire, self.minimum) @classmethod def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True): mname = tok.get_name() rname = tok.get_name() mname = mname.choose_relativity(origin, relativize) rname = rname.choose_relativity(origin, relativize) serial = tok.get_uint32() refresh = tok.get_ttl() retry = tok.get_ttl() expire = tok.get_ttl() minimum = tok.get_ttl() tok.get_eol() return cls(rdclass, rdtype, mname, rname, serial, refresh, retry, expire, minimum) def to_wire(self, file, compress=None, origin=None): self.mname.to_wire(file, compress, origin) self.rname.to_wire(file, compress, origin) five_ints = struct.pack('!IIIII', self.serial, self.refresh, self.retry, self.expire, self.minimum) file.write(five_ints) def to_digestable(self, origin=None): return self.mname.to_digestable(origin) + \ self.rname.to_digestable(origin) + \ struct.pack('!IIIII', self.serial, self.refresh, self.retry, self.expire, self.minimum) @classmethod def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin=None): (mname, cused) = dns.name.from_wire(wire[: current + rdlen], current) current += cused rdlen -= cused (rname, cused) = dns.name.from_wire(wire[: current + rdlen], current) current += cused rdlen -= cused if rdlen != 20: raise dns.exception.FormError five_ints = struct.unpack('!IIIII', wire[current: current + rdlen]) if origin is not None: mname = mname.relativize(origin) rname = rname.relativize(origin) return cls(rdclass, rdtype, mname, rname, five_ints[0], five_ints[1], five_ints[2], five_ints[3], five_ints[4]) def choose_relativity(self, origin=None, relativize=True): self.mname = self.mname.choose_relativity(origin, relativize) self.rname = self.rname.choose_relativity(origin, relativize) dnspython-1.15.0/dns/rdtypes/ANY/SPF.py0000644000076500000240000000160312770261242020137 0ustar halleystaff00000000000000# Copyright (C) 2006, 2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. import dns.rdtypes.txtbase class SPF(dns.rdtypes.txtbase.TXTBase): """SPF record @see: RFC 4408""" dnspython-1.15.0/dns/rdtypes/ANY/SSHFP.py0000644000076500000240000000541412770261242020376 0ustar halleystaff00000000000000# Copyright (C) 2005-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. import struct import binascii import dns.rdata import dns.rdatatype class SSHFP(dns.rdata.Rdata): """SSHFP record @ivar algorithm: the algorithm @type algorithm: int @ivar fp_type: the digest type @type fp_type: int @ivar fingerprint: the fingerprint @type fingerprint: string @see: draft-ietf-secsh-dns-05.txt""" __slots__ = ['algorithm', 'fp_type', 'fingerprint'] def __init__(self, rdclass, rdtype, algorithm, fp_type, fingerprint): super(SSHFP, self).__init__(rdclass, rdtype) self.algorithm = algorithm self.fp_type = fp_type self.fingerprint = fingerprint def to_text(self, origin=None, relativize=True, **kw): return '%d %d %s' % (self.algorithm, self.fp_type, dns.rdata._hexify(self.fingerprint, chunksize=128)) @classmethod def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True): algorithm = tok.get_uint8() fp_type = tok.get_uint8() chunks = [] while 1: t = tok.get().unescape() if t.is_eol_or_eof(): break if not t.is_identifier(): raise dns.exception.SyntaxError chunks.append(t.value.encode()) fingerprint = b''.join(chunks) fingerprint = binascii.unhexlify(fingerprint) return cls(rdclass, rdtype, algorithm, fp_type, fingerprint) def to_wire(self, file, compress=None, origin=None): header = struct.pack("!BB", self.algorithm, self.fp_type) file.write(header) file.write(self.fingerprint) @classmethod def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin=None): header = struct.unpack("!BB", wire[current: current + 2]) current += 2 rdlen -= 2 fingerprint = wire[current: current + rdlen].unwrap() return cls(rdclass, rdtype, header[0], header[1], fingerprint) dnspython-1.15.0/dns/rdtypes/ANY/TLSA.py0000644000076500000240000000561412770261242020260 0ustar halleystaff00000000000000# Copyright (C) 2005-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. import struct import binascii import dns.rdata import dns.rdatatype class TLSA(dns.rdata.Rdata): """TLSA record @ivar usage: The certificate usage @type usage: int @ivar selector: The selector field @type selector: int @ivar mtype: The 'matching type' field @type mtype: int @ivar cert: The 'Certificate Association Data' field @type cert: string @see: RFC 6698""" __slots__ = ['usage', 'selector', 'mtype', 'cert'] def __init__(self, rdclass, rdtype, usage, selector, mtype, cert): super(TLSA, self).__init__(rdclass, rdtype) self.usage = usage self.selector = selector self.mtype = mtype self.cert = cert def to_text(self, origin=None, relativize=True, **kw): return '%d %d %d %s' % (self.usage, self.selector, self.mtype, dns.rdata._hexify(self.cert, chunksize=128)) @classmethod def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True): usage = tok.get_uint8() selector = tok.get_uint8() mtype = tok.get_uint8() cert_chunks = [] while 1: t = tok.get().unescape() if t.is_eol_or_eof(): break if not t.is_identifier(): raise dns.exception.SyntaxError cert_chunks.append(t.value.encode()) cert = b''.join(cert_chunks) cert = binascii.unhexlify(cert) return cls(rdclass, rdtype, usage, selector, mtype, cert) def to_wire(self, file, compress=None, origin=None): header = struct.pack("!BBB", self.usage, self.selector, self.mtype) file.write(header) file.write(self.cert) @classmethod def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin=None): header = struct.unpack("!BBB", wire[current: current + 3]) current += 3 rdlen -= 3 cert = wire[current: current + rdlen].unwrap() return cls(rdclass, rdtype, header[0], header[1], header[2], cert) dnspython-1.15.0/dns/rdtypes/ANY/TXT.py0000644000076500000240000000155612770261242020175 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. import dns.rdtypes.txtbase class TXT(dns.rdtypes.txtbase.TXTBase): """TXT record""" dnspython-1.15.0/dns/rdtypes/ANY/URI.py0000644000076500000240000000552212770261242020152 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # Copyright (C) 2015 Red Hat, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. import struct import dns.exception import dns.rdata import dns.name from dns._compat import text_type class URI(dns.rdata.Rdata): """URI record @ivar priority: the priority @type priority: int @ivar weight: the weight @type weight: int @ivar target: the target host @type target: dns.name.Name object @see: draft-faltstrom-uri-13""" __slots__ = ['priority', 'weight', 'target'] def __init__(self, rdclass, rdtype, priority, weight, target): super(URI, self).__init__(rdclass, rdtype) self.priority = priority self.weight = weight if len(target) < 1: raise dns.exception.SyntaxError("URI target cannot be empty") if isinstance(target, text_type): self.target = target.encode() else: self.target = target def to_text(self, origin=None, relativize=True, **kw): return '%d %d "%s"' % (self.priority, self.weight, self.target.decode()) @classmethod def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True): priority = tok.get_uint16() weight = tok.get_uint16() target = tok.get().unescape() if not (target.is_quoted_string() or target.is_identifier()): raise dns.exception.SyntaxError("URI target must be a string") tok.get_eol() return cls(rdclass, rdtype, priority, weight, target.value) def to_wire(self, file, compress=None, origin=None): two_ints = struct.pack("!HH", self.priority, self.weight) file.write(two_ints) file.write(self.target) @classmethod def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin=None): if rdlen < 5: raise dns.exception.FormError('URI RR is shorter than 5 octets') (priority, weight) = struct.unpack('!HH', wire[current: current + 4]) current += 4 rdlen -= 4 target = wire[current: current + rdlen] current += rdlen return cls(rdclass, rdtype, priority, weight, target) dnspython-1.15.0/dns/rdtypes/ANY/X25.py0000644000076500000240000000410712770261242020067 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. import struct import dns.exception import dns.rdata import dns.tokenizer from dns._compat import text_type class X25(dns.rdata.Rdata): """X25 record @ivar address: the PSDN address @type address: string @see: RFC 1183""" __slots__ = ['address'] def __init__(self, rdclass, rdtype, address): super(X25, self).__init__(rdclass, rdtype) if isinstance(address, text_type): self.address = address.encode() else: self.address = address def to_text(self, origin=None, relativize=True, **kw): return '"%s"' % dns.rdata._escapify(self.address) @classmethod def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True): address = tok.get_string() tok.get_eol() return cls(rdclass, rdtype, address) def to_wire(self, file, compress=None, origin=None): l = len(self.address) assert l < 256 file.write(struct.pack('!B', l)) file.write(self.address) @classmethod def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin=None): l = wire[current] current += 1 rdlen -= 1 if l != rdlen: raise dns.exception.FormError address = wire[current: current + l].unwrap() return cls(rdclass, rdtype, address) dnspython-1.15.0/dns/rdtypes/dnskeybase.py0000644000076500000240000001044312770261242021212 0ustar halleystaff00000000000000# Copyright (C) 2004-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. import base64 import struct import dns.exception import dns.dnssec import dns.rdata # wildcard import __all__ = ["SEP", "REVOKE", "ZONE", "flags_to_text_set", "flags_from_text_set"] # flag constants SEP = 0x0001 REVOKE = 0x0080 ZONE = 0x0100 _flag_by_text = { 'SEP': SEP, 'REVOKE': REVOKE, 'ZONE': ZONE } # We construct the inverse mapping programmatically to ensure that we # cannot make any mistakes (e.g. omissions, cut-and-paste errors) that # would cause the mapping not to be true inverse. _flag_by_value = dict((y, x) for x, y in _flag_by_text.items()) def flags_to_text_set(flags): """Convert a DNSKEY flags value to set texts @rtype: set([string])""" flags_set = set() mask = 0x1 while mask <= 0x8000: if flags & mask: text = _flag_by_value.get(mask) if not text: text = hex(mask) flags_set.add(text) mask <<= 1 return flags_set def flags_from_text_set(texts_set): """Convert set of DNSKEY flag mnemonic texts to DNSKEY flag value @rtype: int""" flags = 0 for text in texts_set: try: flags += _flag_by_text[text] except KeyError: raise NotImplementedError( "DNSKEY flag '%s' is not supported" % text) return flags class DNSKEYBase(dns.rdata.Rdata): """Base class for rdata that is like a DNSKEY record @ivar flags: the key flags @type flags: int @ivar protocol: the protocol for which this key may be used @type protocol: int @ivar algorithm: the algorithm used for the key @type algorithm: int @ivar key: the public key @type key: string""" __slots__ = ['flags', 'protocol', 'algorithm', 'key'] def __init__(self, rdclass, rdtype, flags, protocol, algorithm, key): super(DNSKEYBase, self).__init__(rdclass, rdtype) self.flags = flags self.protocol = protocol self.algorithm = algorithm self.key = key def to_text(self, origin=None, relativize=True, **kw): return '%d %d %d %s' % (self.flags, self.protocol, self.algorithm, dns.rdata._base64ify(self.key)) @classmethod def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True): flags = tok.get_uint16() protocol = tok.get_uint8() algorithm = dns.dnssec.algorithm_from_text(tok.get_string()) chunks = [] while 1: t = tok.get().unescape() if t.is_eol_or_eof(): break if not t.is_identifier(): raise dns.exception.SyntaxError chunks.append(t.value.encode()) b64 = b''.join(chunks) key = base64.b64decode(b64) return cls(rdclass, rdtype, flags, protocol, algorithm, key) def to_wire(self, file, compress=None, origin=None): header = struct.pack("!HBB", self.flags, self.protocol, self.algorithm) file.write(header) file.write(self.key) @classmethod def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin=None): if rdlen < 4: raise dns.exception.FormError header = struct.unpack('!HBB', wire[current: current + 4]) current += 4 rdlen -= 4 key = wire[current: current + rdlen].unwrap() return cls(rdclass, rdtype, header[0], header[1], header[2], key) def flags_to_text_set(self): """Convert a DNSKEY flags value to set texts @rtype: set([string])""" return flags_to_text_set(self.flags) dnspython-1.15.0/dns/rdtypes/dsbase.py0000644000076500000240000000601012770261242020316 0ustar halleystaff00000000000000# Copyright (C) 2010, 2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. import struct import binascii import dns.rdata import dns.rdatatype class DSBase(dns.rdata.Rdata): """Base class for rdata that is like a DS record @ivar key_tag: the key tag @type key_tag: int @ivar algorithm: the algorithm @type algorithm: int @ivar digest_type: the digest type @type digest_type: int @ivar digest: the digest @type digest: int @see: draft-ietf-dnsext-delegation-signer-14.txt""" __slots__ = ['key_tag', 'algorithm', 'digest_type', 'digest'] def __init__(self, rdclass, rdtype, key_tag, algorithm, digest_type, digest): super(DSBase, self).__init__(rdclass, rdtype) self.key_tag = key_tag self.algorithm = algorithm self.digest_type = digest_type self.digest = digest def to_text(self, origin=None, relativize=True, **kw): return '%d %d %d %s' % (self.key_tag, self.algorithm, self.digest_type, dns.rdata._hexify(self.digest, chunksize=128)) @classmethod def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True): key_tag = tok.get_uint16() algorithm = tok.get_uint8() digest_type = tok.get_uint8() chunks = [] while 1: t = tok.get().unescape() if t.is_eol_or_eof(): break if not t.is_identifier(): raise dns.exception.SyntaxError chunks.append(t.value.encode()) digest = b''.join(chunks) digest = binascii.unhexlify(digest) return cls(rdclass, rdtype, key_tag, algorithm, digest_type, digest) def to_wire(self, file, compress=None, origin=None): header = struct.pack("!HBB", self.key_tag, self.algorithm, self.digest_type) file.write(header) file.write(self.digest) @classmethod def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin=None): header = struct.unpack("!HBB", wire[current: current + 4]) current += 4 rdlen -= 4 digest = wire[current: current + rdlen].unwrap() return cls(rdclass, rdtype, header[0], header[1], header[2], digest) dnspython-1.15.0/dns/rdtypes/euibase.py0000644000076500000240000000533112770261242020477 0ustar halleystaff00000000000000# Copyright (C) 2015 Red Hat, Inc. # Author: Petr Spacek # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED 'AS IS' AND RED HAT DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. import binascii import dns.rdata from dns._compat import xrange class EUIBase(dns.rdata.Rdata): """EUIxx record @ivar fingerprint: xx-bit Extended Unique Identifier (EUI-xx) @type fingerprint: string @see: rfc7043.txt""" __slots__ = ['eui'] # define these in subclasses # byte_len = 6 # 0123456789ab (in hex) # text_len = byte_len * 3 - 1 # 01-23-45-67-89-ab def __init__(self, rdclass, rdtype, eui): super(EUIBase, self).__init__(rdclass, rdtype) if len(eui) != self.byte_len: raise dns.exception.FormError('EUI%s rdata has to have %s bytes' % (self.byte_len * 8, self.byte_len)) self.eui = eui def to_text(self, origin=None, relativize=True, **kw): return dns.rdata._hexify(self.eui, chunksize=2).replace(' ', '-') @classmethod def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True): text = tok.get_string() tok.get_eol() if len(text) != cls.text_len: raise dns.exception.SyntaxError( 'Input text must have %s characters' % cls.text_len) expected_dash_idxs = xrange(2, cls.byte_len * 3 - 1, 3) for i in expected_dash_idxs: if text[i] != '-': raise dns.exception.SyntaxError('Dash expected at position %s' % i) text = text.replace('-', '') try: data = binascii.unhexlify(text.encode()) except (ValueError, TypeError) as ex: raise dns.exception.SyntaxError('Hex decoding error: %s' % str(ex)) return cls(rdclass, rdtype, data) def to_wire(self, file, compress=None, origin=None): file.write(self.eui) @classmethod def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin=None): eui = wire[current:current + rdlen].unwrap() return cls(rdclass, rdtype, eui) dnspython-1.15.0/dns/rdtypes/IN/0000755000076500000240000000000012773500725017021 5ustar halleystaff00000000000000dnspython-1.15.0/dns/rdtypes/IN/__init__.py0000644000076500000240000000170512770261242021130 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. """Class IN rdata type classes.""" __all__ = [ 'A', 'AAAA', 'APL', 'DHCID', 'KX', 'NAPTR', 'NSAP', 'NSAP_PTR', 'PX', 'SRV', 'WKS', ] dnspython-1.15.0/dns/rdtypes/IN/A.py0000644000076500000240000000347512770261242017557 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. import dns.exception import dns.ipv4 import dns.rdata import dns.tokenizer class A(dns.rdata.Rdata): """A record. @ivar address: an IPv4 address @type address: string (in the standard "dotted quad" format)""" __slots__ = ['address'] def __init__(self, rdclass, rdtype, address): super(A, self).__init__(rdclass, rdtype) # check that it's OK dns.ipv4.inet_aton(address) self.address = address def to_text(self, origin=None, relativize=True, **kw): return self.address @classmethod def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True): address = tok.get_identifier() tok.get_eol() return cls(rdclass, rdtype, address) def to_wire(self, file, compress=None, origin=None): file.write(dns.ipv4.inet_aton(self.address)) @classmethod def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin=None): address = dns.ipv4.inet_ntoa(wire[current: current + rdlen]).decode() return cls(rdclass, rdtype, address) dnspython-1.15.0/dns/rdtypes/IN/AAAA.py0000644000076500000240000000362212770261242020054 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. import dns.exception import dns.inet import dns.rdata import dns.tokenizer class AAAA(dns.rdata.Rdata): """AAAA record. @ivar address: an IPv6 address @type address: string (in the standard IPv6 format)""" __slots__ = ['address'] def __init__(self, rdclass, rdtype, address): super(AAAA, self).__init__(rdclass, rdtype) # check that it's OK dns.inet.inet_pton(dns.inet.AF_INET6, address) self.address = address def to_text(self, origin=None, relativize=True, **kw): return self.address @classmethod def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True): address = tok.get_identifier() tok.get_eol() return cls(rdclass, rdtype, address) def to_wire(self, file, compress=None, origin=None): file.write(dns.inet.inet_pton(dns.inet.AF_INET6, self.address)) @classmethod def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin=None): address = dns.inet.inet_ntop(dns.inet.AF_INET6, wire[current: current + rdlen]) return cls(rdclass, rdtype, address) dnspython-1.15.0/dns/rdtypes/IN/APL.py0000644000076500000240000001216412770261242020006 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. import struct import binascii import dns.exception import dns.inet import dns.rdata import dns.tokenizer from dns._compat import xrange class APLItem(object): """An APL list item. @ivar family: the address family (IANA address family registry) @type family: int @ivar negation: is this item negated? @type negation: bool @ivar address: the address @type address: string @ivar prefix: the prefix length @type prefix: int """ __slots__ = ['family', 'negation', 'address', 'prefix'] def __init__(self, family, negation, address, prefix): self.family = family self.negation = negation self.address = address self.prefix = prefix def __str__(self): if self.negation: return "!%d:%s/%s" % (self.family, self.address, self.prefix) else: return "%d:%s/%s" % (self.family, self.address, self.prefix) def to_wire(self, file): if self.family == 1: address = dns.inet.inet_pton(dns.inet.AF_INET, self.address) elif self.family == 2: address = dns.inet.inet_pton(dns.inet.AF_INET6, self.address) else: address = binascii.unhexlify(self.address) # # Truncate least significant zero bytes. # last = 0 for i in xrange(len(address) - 1, -1, -1): if address[i] != chr(0): last = i + 1 break address = address[0: last] l = len(address) assert l < 128 if self.negation: l |= 0x80 header = struct.pack('!HBB', self.family, self.prefix, l) file.write(header) file.write(address) class APL(dns.rdata.Rdata): """APL record. @ivar items: a list of APL items @type items: list of APL_Item @see: RFC 3123""" __slots__ = ['items'] def __init__(self, rdclass, rdtype, items): super(APL, self).__init__(rdclass, rdtype) self.items = items def to_text(self, origin=None, relativize=True, **kw): return ' '.join(map(str, self.items)) @classmethod def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True): items = [] while 1: token = tok.get().unescape() if token.is_eol_or_eof(): break item = token.value if item[0] == '!': negation = True item = item[1:] else: negation = False (family, rest) = item.split(':', 1) family = int(family) (address, prefix) = rest.split('/', 1) prefix = int(prefix) item = APLItem(family, negation, address, prefix) items.append(item) return cls(rdclass, rdtype, items) def to_wire(self, file, compress=None, origin=None): for item in self.items: item.to_wire(file) @classmethod def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin=None): items = [] while 1: if rdlen == 0: break if rdlen < 4: raise dns.exception.FormError header = struct.unpack('!HBB', wire[current: current + 4]) afdlen = header[2] if afdlen > 127: negation = True afdlen -= 128 else: negation = False current += 4 rdlen -= 4 if rdlen < afdlen: raise dns.exception.FormError address = wire[current: current + afdlen].unwrap() l = len(address) if header[0] == 1: if l < 4: address += '\x00' * (4 - l) address = dns.inet.inet_ntop(dns.inet.AF_INET, address) elif header[0] == 2: if l < 16: address += '\x00' * (16 - l) address = dns.inet.inet_ntop(dns.inet.AF_INET6, address) else: # # This isn't really right according to the RFC, but it # seems better than throwing an exception # address = address.encode('hex_codec') current += afdlen rdlen -= afdlen item = APLItem(header[0], negation, address, header[1]) items.append(item) return cls(rdclass, rdtype, items) dnspython-1.15.0/dns/rdtypes/IN/DHCID.py0000644000076500000240000000374312770261242020210 0ustar halleystaff00000000000000# Copyright (C) 2006, 2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. import base64 import dns.exception class DHCID(dns.rdata.Rdata): """DHCID record @ivar data: the data (the content of the RR is opaque as far as the DNS is concerned) @type data: string @see: RFC 4701""" __slots__ = ['data'] def __init__(self, rdclass, rdtype, data): super(DHCID, self).__init__(rdclass, rdtype) self.data = data def to_text(self, origin=None, relativize=True, **kw): return dns.rdata._base64ify(self.data) @classmethod def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True): chunks = [] while 1: t = tok.get().unescape() if t.is_eol_or_eof(): break if not t.is_identifier(): raise dns.exception.SyntaxError chunks.append(t.value.encode()) b64 = b''.join(chunks) data = base64.b64decode(b64) return cls(rdclass, rdtype, data) def to_wire(self, file, compress=None, origin=None): file.write(self.data) @classmethod def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin=None): data = wire[current: current + rdlen].unwrap() return cls(rdclass, rdtype, data) dnspython-1.15.0/dns/rdtypes/IN/IPSECKEY.py0000644000076500000240000001306112770261242020603 0ustar halleystaff00000000000000# Copyright (C) 2006, 2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. import struct import base64 import dns.exception import dns.inet import dns.name class IPSECKEY(dns.rdata.Rdata): """IPSECKEY record @ivar precedence: the precedence for this key data @type precedence: int @ivar gateway_type: the gateway type @type gateway_type: int @ivar algorithm: the algorithm to use @type algorithm: int @ivar gateway: the public key @type gateway: None, IPv4 address, IPV6 address, or domain name @ivar key: the public key @type key: string @see: RFC 4025""" __slots__ = ['precedence', 'gateway_type', 'algorithm', 'gateway', 'key'] def __init__(self, rdclass, rdtype, precedence, gateway_type, algorithm, gateway, key): super(IPSECKEY, self).__init__(rdclass, rdtype) if gateway_type == 0: if gateway != '.' and gateway is not None: raise SyntaxError('invalid gateway for gateway type 0') gateway = None elif gateway_type == 1: # check that it's OK dns.inet.inet_pton(dns.inet.AF_INET, gateway) elif gateway_type == 2: # check that it's OK dns.inet.inet_pton(dns.inet.AF_INET6, gateway) elif gateway_type == 3: pass else: raise SyntaxError( 'invalid IPSECKEY gateway type: %d' % gateway_type) self.precedence = precedence self.gateway_type = gateway_type self.algorithm = algorithm self.gateway = gateway self.key = key def to_text(self, origin=None, relativize=True, **kw): if self.gateway_type == 0: gateway = '.' elif self.gateway_type == 1: gateway = self.gateway elif self.gateway_type == 2: gateway = self.gateway elif self.gateway_type == 3: gateway = str(self.gateway.choose_relativity(origin, relativize)) else: raise ValueError('invalid gateway type') return '%d %d %d %s %s' % (self.precedence, self.gateway_type, self.algorithm, gateway, dns.rdata._base64ify(self.key)) @classmethod def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True): precedence = tok.get_uint8() gateway_type = tok.get_uint8() algorithm = tok.get_uint8() if gateway_type == 3: gateway = tok.get_name().choose_relativity(origin, relativize) else: gateway = tok.get_string() chunks = [] while 1: t = tok.get().unescape() if t.is_eol_or_eof(): break if not t.is_identifier(): raise dns.exception.SyntaxError chunks.append(t.value.encode()) b64 = b''.join(chunks) key = base64.b64decode(b64) return cls(rdclass, rdtype, precedence, gateway_type, algorithm, gateway, key) def to_wire(self, file, compress=None, origin=None): header = struct.pack("!BBB", self.precedence, self.gateway_type, self.algorithm) file.write(header) if self.gateway_type == 0: pass elif self.gateway_type == 1: file.write(dns.inet.inet_pton(dns.inet.AF_INET, self.gateway)) elif self.gateway_type == 2: file.write(dns.inet.inet_pton(dns.inet.AF_INET6, self.gateway)) elif self.gateway_type == 3: self.gateway.to_wire(file, None, origin) else: raise ValueError('invalid gateway type') file.write(self.key) @classmethod def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin=None): if rdlen < 3: raise dns.exception.FormError header = struct.unpack('!BBB', wire[current: current + 3]) gateway_type = header[1] current += 3 rdlen -= 3 if gateway_type == 0: gateway = None elif gateway_type == 1: gateway = dns.inet.inet_ntop(dns.inet.AF_INET, wire[current: current + 4]) current += 4 rdlen -= 4 elif gateway_type == 2: gateway = dns.inet.inet_ntop(dns.inet.AF_INET6, wire[current: current + 16]) current += 16 rdlen -= 16 elif gateway_type == 3: (gateway, cused) = dns.name.from_wire(wire[: current + rdlen], current) current += cused rdlen -= cused else: raise dns.exception.FormError('invalid IPSECKEY gateway type') key = wire[current: current + rdlen].unwrap() return cls(rdclass, rdtype, header[0], gateway_type, header[2], gateway, key) dnspython-1.15.0/dns/rdtypes/IN/KX.py0000644000076500000240000000156112770261242017713 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. import dns.rdtypes.mxbase class KX(dns.rdtypes.mxbase.UncompressedMX): """KX record""" dnspython-1.15.0/dns/rdtypes/IN/NAPTR.py0000644000076500000240000001056612770261242020262 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. import struct import dns.exception import dns.name import dns.rdata from dns._compat import xrange, text_type def _write_string(file, s): l = len(s) assert l < 256 file.write(struct.pack('!B', l)) file.write(s) def _sanitize(value): if isinstance(value, text_type): return value.encode() return value class NAPTR(dns.rdata.Rdata): """NAPTR record @ivar order: order @type order: int @ivar preference: preference @type preference: int @ivar flags: flags @type flags: string @ivar service: service @type service: string @ivar regexp: regular expression @type regexp: string @ivar replacement: replacement name @type replacement: dns.name.Name object @see: RFC 3403""" __slots__ = ['order', 'preference', 'flags', 'service', 'regexp', 'replacement'] def __init__(self, rdclass, rdtype, order, preference, flags, service, regexp, replacement): super(NAPTR, self).__init__(rdclass, rdtype) self.flags = _sanitize(flags) self.service = _sanitize(service) self.regexp = _sanitize(regexp) self.order = order self.preference = preference self.replacement = replacement def to_text(self, origin=None, relativize=True, **kw): replacement = self.replacement.choose_relativity(origin, relativize) return '%d %d "%s" "%s" "%s" %s' % \ (self.order, self.preference, dns.rdata._escapify(self.flags), dns.rdata._escapify(self.service), dns.rdata._escapify(self.regexp), replacement) @classmethod def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True): order = tok.get_uint16() preference = tok.get_uint16() flags = tok.get_string() service = tok.get_string() regexp = tok.get_string() replacement = tok.get_name() replacement = replacement.choose_relativity(origin, relativize) tok.get_eol() return cls(rdclass, rdtype, order, preference, flags, service, regexp, replacement) def to_wire(self, file, compress=None, origin=None): two_ints = struct.pack("!HH", self.order, self.preference) file.write(two_ints) _write_string(file, self.flags) _write_string(file, self.service) _write_string(file, self.regexp) self.replacement.to_wire(file, compress, origin) @classmethod def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin=None): (order, preference) = struct.unpack('!HH', wire[current: current + 4]) current += 4 rdlen -= 4 strings = [] for i in xrange(3): l = wire[current] current += 1 rdlen -= 1 if l > rdlen or rdlen < 0: raise dns.exception.FormError s = wire[current: current + l].unwrap() current += l rdlen -= l strings.append(s) (replacement, cused) = dns.name.from_wire(wire[: current + rdlen], current) if cused != rdlen: raise dns.exception.FormError if origin is not None: replacement = replacement.relativize(origin) return cls(rdclass, rdtype, order, preference, strings[0], strings[1], strings[2], replacement) def choose_relativity(self, origin=None, relativize=True): self.replacement = self.replacement.choose_relativity(origin, relativize) dnspython-1.15.0/dns/rdtypes/IN/NSAP.py0000644000076500000240000000403712770261242020133 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. import binascii import dns.exception import dns.rdata import dns.tokenizer class NSAP(dns.rdata.Rdata): """NSAP record. @ivar address: a NASP @type address: string @see: RFC 1706""" __slots__ = ['address'] def __init__(self, rdclass, rdtype, address): super(NSAP, self).__init__(rdclass, rdtype) self.address = address def to_text(self, origin=None, relativize=True, **kw): return "0x%s" % binascii.hexlify(self.address).decode() @classmethod def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True): address = tok.get_string() tok.get_eol() if address[0:2] != '0x': raise dns.exception.SyntaxError('string does not start with 0x') address = address[2:].replace('.', '') if len(address) % 2 != 0: raise dns.exception.SyntaxError('hexstring has odd length') address = binascii.unhexlify(address.encode()) return cls(rdclass, rdtype, address) def to_wire(self, file, compress=None, origin=None): file.write(self.address) @classmethod def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin=None): address = wire[current: current + rdlen].unwrap() return cls(rdclass, rdtype, address) dnspython-1.15.0/dns/rdtypes/IN/NSAP_PTR.py0000644000076500000240000000157512770261242020664 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. import dns.rdtypes.nsbase class NSAP_PTR(dns.rdtypes.nsbase.UncompressedNS): """NSAP-PTR record""" dnspython-1.15.0/dns/rdtypes/IN/PX.py0000644000076500000240000000650212770261242017720 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. import struct import dns.exception import dns.rdata import dns.name class PX(dns.rdata.Rdata): """PX record. @ivar preference: the preference value @type preference: int @ivar map822: the map822 name @type map822: dns.name.Name object @ivar mapx400: the mapx400 name @type mapx400: dns.name.Name object @see: RFC 2163""" __slots__ = ['preference', 'map822', 'mapx400'] def __init__(self, rdclass, rdtype, preference, map822, mapx400): super(PX, self).__init__(rdclass, rdtype) self.preference = preference self.map822 = map822 self.mapx400 = mapx400 def to_text(self, origin=None, relativize=True, **kw): map822 = self.map822.choose_relativity(origin, relativize) mapx400 = self.mapx400.choose_relativity(origin, relativize) return '%d %s %s' % (self.preference, map822, mapx400) @classmethod def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True): preference = tok.get_uint16() map822 = tok.get_name() map822 = map822.choose_relativity(origin, relativize) mapx400 = tok.get_name(None) mapx400 = mapx400.choose_relativity(origin, relativize) tok.get_eol() return cls(rdclass, rdtype, preference, map822, mapx400) def to_wire(self, file, compress=None, origin=None): pref = struct.pack("!H", self.preference) file.write(pref) self.map822.to_wire(file, None, origin) self.mapx400.to_wire(file, None, origin) @classmethod def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin=None): (preference, ) = struct.unpack('!H', wire[current: current + 2]) current += 2 rdlen -= 2 (map822, cused) = dns.name.from_wire(wire[: current + rdlen], current) if cused > rdlen: raise dns.exception.FormError current += cused rdlen -= cused if origin is not None: map822 = map822.relativize(origin) (mapx400, cused) = dns.name.from_wire(wire[: current + rdlen], current) if cused != rdlen: raise dns.exception.FormError if origin is not None: mapx400 = mapx400.relativize(origin) return cls(rdclass, rdtype, preference, map822, mapx400) def choose_relativity(self, origin=None, relativize=True): self.map822 = self.map822.choose_relativity(origin, relativize) self.mapx400 = self.mapx400.choose_relativity(origin, relativize) dnspython-1.15.0/dns/rdtypes/IN/SRV.py0000644000076500000240000000575612770261242020055 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. import struct import dns.exception import dns.rdata import dns.name class SRV(dns.rdata.Rdata): """SRV record @ivar priority: the priority @type priority: int @ivar weight: the weight @type weight: int @ivar port: the port of the service @type port: int @ivar target: the target host @type target: dns.name.Name object @see: RFC 2782""" __slots__ = ['priority', 'weight', 'port', 'target'] def __init__(self, rdclass, rdtype, priority, weight, port, target): super(SRV, self).__init__(rdclass, rdtype) self.priority = priority self.weight = weight self.port = port self.target = target def to_text(self, origin=None, relativize=True, **kw): target = self.target.choose_relativity(origin, relativize) return '%d %d %d %s' % (self.priority, self.weight, self.port, target) @classmethod def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True): priority = tok.get_uint16() weight = tok.get_uint16() port = tok.get_uint16() target = tok.get_name(None) target = target.choose_relativity(origin, relativize) tok.get_eol() return cls(rdclass, rdtype, priority, weight, port, target) def to_wire(self, file, compress=None, origin=None): three_ints = struct.pack("!HHH", self.priority, self.weight, self.port) file.write(three_ints) self.target.to_wire(file, compress, origin) @classmethod def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin=None): (priority, weight, port) = struct.unpack('!HHH', wire[current: current + 6]) current += 6 rdlen -= 6 (target, cused) = dns.name.from_wire(wire[: current + rdlen], current) if cused != rdlen: raise dns.exception.FormError if origin is not None: target = target.relativize(origin) return cls(rdclass, rdtype, priority, weight, port, target) def choose_relativity(self, origin=None, relativize=True): self.target = self.target.choose_relativity(origin, relativize) dnspython-1.15.0/dns/rdtypes/IN/WKS.py0000644000076500000240000000734312770261242020041 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. import socket import struct import dns.ipv4 import dns.rdata from dns._compat import xrange _proto_tcp = socket.getprotobyname('tcp') _proto_udp = socket.getprotobyname('udp') class WKS(dns.rdata.Rdata): """WKS record @ivar address: the address @type address: string @ivar protocol: the protocol @type protocol: int @ivar bitmap: the bitmap @type bitmap: string @see: RFC 1035""" __slots__ = ['address', 'protocol', 'bitmap'] def __init__(self, rdclass, rdtype, address, protocol, bitmap): super(WKS, self).__init__(rdclass, rdtype) self.address = address self.protocol = protocol if not isinstance(bitmap, bytearray): self.bitmap = bytearray(bitmap) else: self.bitmap = bitmap def to_text(self, origin=None, relativize=True, **kw): bits = [] for i in xrange(0, len(self.bitmap)): byte = self.bitmap[i] for j in xrange(0, 8): if byte & (0x80 >> j): bits.append(str(i * 8 + j)) text = ' '.join(bits) return '%s %d %s' % (self.address, self.protocol, text) @classmethod def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True): address = tok.get_string() protocol = tok.get_string() if protocol.isdigit(): protocol = int(protocol) else: protocol = socket.getprotobyname(protocol) bitmap = bytearray() while 1: token = tok.get().unescape() if token.is_eol_or_eof(): break if token.value.isdigit(): serv = int(token.value) else: if protocol != _proto_udp and protocol != _proto_tcp: raise NotImplementedError("protocol must be TCP or UDP") if protocol == _proto_udp: protocol_text = "udp" else: protocol_text = "tcp" serv = socket.getservbyname(token.value, protocol_text) i = serv // 8 l = len(bitmap) if l < i + 1: for j in xrange(l, i + 1): bitmap.append(0) bitmap[i] = bitmap[i] | (0x80 >> (serv % 8)) bitmap = dns.rdata._truncate_bitmap(bitmap) return cls(rdclass, rdtype, address, protocol, bitmap) def to_wire(self, file, compress=None, origin=None): file.write(dns.ipv4.inet_aton(self.address)) protocol = struct.pack('!B', self.protocol) file.write(protocol) file.write(self.bitmap) @classmethod def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin=None): address = dns.ipv4.inet_ntoa(wire[current: current + 4]) protocol, = struct.unpack('!B', wire[current + 4: current + 5]) current += 5 rdlen -= 5 bitmap = wire[current: current + rdlen].unwrap() return cls(rdclass, rdtype, address, protocol, bitmap) dnspython-1.15.0/dns/rdtypes/mxbase.py0000644000076500000240000000711412770261242020342 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. """MX-like base classes.""" from io import BytesIO import struct import dns.exception import dns.rdata import dns.name class MXBase(dns.rdata.Rdata): """Base class for rdata that is like an MX record. @ivar preference: the preference value @type preference: int @ivar exchange: the exchange name @type exchange: dns.name.Name object""" __slots__ = ['preference', 'exchange'] def __init__(self, rdclass, rdtype, preference, exchange): super(MXBase, self).__init__(rdclass, rdtype) self.preference = preference self.exchange = exchange def to_text(self, origin=None, relativize=True, **kw): exchange = self.exchange.choose_relativity(origin, relativize) return '%d %s' % (self.preference, exchange) @classmethod def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True): preference = tok.get_uint16() exchange = tok.get_name() exchange = exchange.choose_relativity(origin, relativize) tok.get_eol() return cls(rdclass, rdtype, preference, exchange) def to_wire(self, file, compress=None, origin=None): pref = struct.pack("!H", self.preference) file.write(pref) self.exchange.to_wire(file, compress, origin) def to_digestable(self, origin=None): return struct.pack("!H", self.preference) + \ self.exchange.to_digestable(origin) @classmethod def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin=None): (preference, ) = struct.unpack('!H', wire[current: current + 2]) current += 2 rdlen -= 2 (exchange, cused) = dns.name.from_wire(wire[: current + rdlen], current) if cused != rdlen: raise dns.exception.FormError if origin is not None: exchange = exchange.relativize(origin) return cls(rdclass, rdtype, preference, exchange) def choose_relativity(self, origin=None, relativize=True): self.exchange = self.exchange.choose_relativity(origin, relativize) class UncompressedMX(MXBase): """Base class for rdata that is like an MX record, but whose name is not compressed when converted to DNS wire format, and whose digestable form is not downcased.""" def to_wire(self, file, compress=None, origin=None): super(UncompressedMX, self).to_wire(file, None, origin) def to_digestable(self, origin=None): f = BytesIO() self.to_wire(f, None, origin) return f.getvalue() class UncompressedDowncasingMX(MXBase): """Base class for rdata that is like an MX record, but whose name is not compressed when convert to DNS wire format.""" def to_wire(self, file, compress=None, origin=None): super(UncompressedDowncasingMX, self).to_wire(file, None, origin) dnspython-1.15.0/dns/rdtypes/nsbase.py0000644000076500000240000000544312770261242020341 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. """NS-like base classes.""" from io import BytesIO import dns.exception import dns.rdata import dns.name class NSBase(dns.rdata.Rdata): """Base class for rdata that is like an NS record. @ivar target: the target name of the rdata @type target: dns.name.Name object""" __slots__ = ['target'] def __init__(self, rdclass, rdtype, target): super(NSBase, self).__init__(rdclass, rdtype) self.target = target def to_text(self, origin=None, relativize=True, **kw): target = self.target.choose_relativity(origin, relativize) return str(target) @classmethod def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True): target = tok.get_name() target = target.choose_relativity(origin, relativize) tok.get_eol() return cls(rdclass, rdtype, target) def to_wire(self, file, compress=None, origin=None): self.target.to_wire(file, compress, origin) def to_digestable(self, origin=None): return self.target.to_digestable(origin) @classmethod def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin=None): (target, cused) = dns.name.from_wire(wire[: current + rdlen], current) if cused != rdlen: raise dns.exception.FormError if origin is not None: target = target.relativize(origin) return cls(rdclass, rdtype, target) def choose_relativity(self, origin=None, relativize=True): self.target = self.target.choose_relativity(origin, relativize) class UncompressedNS(NSBase): """Base class for rdata that is like an NS record, but whose name is not compressed when convert to DNS wire format, and whose digestable form is not downcased.""" def to_wire(self, file, compress=None, origin=None): super(UncompressedNS, self).to_wire(file, None, origin) def to_digestable(self, origin=None): f = BytesIO() self.to_wire(f, None, origin) return f.getvalue() dnspython-1.15.0/dns/rdtypes/txtbase.py0000644000076500000240000000573712770261242020546 0ustar halleystaff00000000000000# Copyright (C) 2006, 2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. """TXT-like base class.""" import struct import dns.exception import dns.rdata import dns.tokenizer from dns._compat import binary_type class TXTBase(dns.rdata.Rdata): """Base class for rdata that is like a TXT record @ivar strings: the text strings @type strings: list of string @see: RFC 1035""" __slots__ = ['strings'] def __init__(self, rdclass, rdtype, strings): super(TXTBase, self).__init__(rdclass, rdtype) if isinstance(strings, str): strings = [strings] self.strings = strings[:] def to_text(self, origin=None, relativize=True, **kw): txt = '' prefix = '' for s in self.strings: txt += '%s"%s"' % (prefix, dns.rdata._escapify(s)) prefix = ' ' return txt @classmethod def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True): strings = [] while 1: token = tok.get().unescape() if token.is_eol_or_eof(): break if not (token.is_quoted_string() or token.is_identifier()): raise dns.exception.SyntaxError("expected a string") if len(token.value) > 255: raise dns.exception.SyntaxError("string too long") value = token.value if isinstance(value, binary_type): strings.append(value) else: strings.append(value.encode()) if len(strings) == 0: raise dns.exception.UnexpectedEnd return cls(rdclass, rdtype, strings) def to_wire(self, file, compress=None, origin=None): for s in self.strings: l = len(s) assert l < 256 file.write(struct.pack('!B', l)) file.write(s) @classmethod def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin=None): strings = [] while rdlen > 0: l = wire[current] current += 1 rdlen -= 1 if l > rdlen: raise dns.exception.FormError s = wire[current: current + l].unwrap() current += l rdlen -= l strings.append(s) return cls(rdclass, rdtype, strings) dnspython-1.15.0/dns/renderer.py0000644000076500000240000002722312770261242017202 0ustar halleystaff00000000000000# Copyright (C) 2001-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. """Help for building DNS wire format messages""" from io import BytesIO import struct import random import time import dns.exception import dns.tsig from ._compat import long QUESTION = 0 ANSWER = 1 AUTHORITY = 2 ADDITIONAL = 3 class Renderer(object): """Helper class for building DNS wire-format messages. Most applications can use the higher-level L{dns.message.Message} class and its to_wire() method to generate wire-format messages. This class is for those applications which need finer control over the generation of messages. Typical use:: r = dns.renderer.Renderer(id=1, flags=0x80, max_size=512) r.add_question(qname, qtype, qclass) r.add_rrset(dns.renderer.ANSWER, rrset_1) r.add_rrset(dns.renderer.ANSWER, rrset_2) r.add_rrset(dns.renderer.AUTHORITY, ns_rrset) r.add_edns(0, 0, 4096) r.add_rrset(dns.renderer.ADDTIONAL, ad_rrset_1) r.add_rrset(dns.renderer.ADDTIONAL, ad_rrset_2) r.write_header() r.add_tsig(keyname, secret, 300, 1, 0, '', request_mac) wire = r.get_wire() @ivar output: where rendering is written @type output: BytesIO object @ivar id: the message id @type id: int @ivar flags: the message flags @type flags: int @ivar max_size: the maximum size of the message @type max_size: int @ivar origin: the origin to use when rendering relative names @type origin: dns.name.Name object @ivar compress: the compression table @type compress: dict @ivar section: the section currently being rendered @type section: int (dns.renderer.QUESTION, dns.renderer.ANSWER, dns.renderer.AUTHORITY, or dns.renderer.ADDITIONAL) @ivar counts: list of the number of RRs in each section @type counts: int list of length 4 @ivar mac: the MAC of the rendered message (if TSIG was used) @type mac: string """ def __init__(self, id=None, flags=0, max_size=65535, origin=None): """Initialize a new renderer. @param id: the message id @type id: int @param flags: the DNS message flags @type flags: int @param max_size: the maximum message size; the default is 65535. If rendering results in a message greater than I{max_size}, then L{dns.exception.TooBig} will be raised. @type max_size: int @param origin: the origin to use when rendering relative names @type origin: dns.name.Name or None. """ self.output = BytesIO() if id is None: self.id = random.randint(0, 65535) else: self.id = id self.flags = flags self.max_size = max_size self.origin = origin self.compress = {} self.section = QUESTION self.counts = [0, 0, 0, 0] self.output.write(b'\x00' * 12) self.mac = '' def _rollback(self, where): """Truncate the output buffer at offset I{where}, and remove any compression table entries that pointed beyond the truncation point. @param where: the offset @type where: int """ self.output.seek(where) self.output.truncate() keys_to_delete = [] for k, v in self.compress.items(): if v >= where: keys_to_delete.append(k) for k in keys_to_delete: del self.compress[k] def _set_section(self, section): """Set the renderer's current section. Sections must be rendered order: QUESTION, ANSWER, AUTHORITY, ADDITIONAL. Sections may be empty. @param section: the section @type section: int @raises dns.exception.FormError: an attempt was made to set a section value less than the current section. """ if self.section != section: if self.section > section: raise dns.exception.FormError self.section = section def add_question(self, qname, rdtype, rdclass=dns.rdataclass.IN): """Add a question to the message. @param qname: the question name @type qname: dns.name.Name @param rdtype: the question rdata type @type rdtype: int @param rdclass: the question rdata class @type rdclass: int """ self._set_section(QUESTION) before = self.output.tell() qname.to_wire(self.output, self.compress, self.origin) self.output.write(struct.pack("!HH", rdtype, rdclass)) after = self.output.tell() if after >= self.max_size: self._rollback(before) raise dns.exception.TooBig self.counts[QUESTION] += 1 def add_rrset(self, section, rrset, **kw): """Add the rrset to the specified section. Any keyword arguments are passed on to the rdataset's to_wire() routine. @param section: the section @type section: int @param rrset: the rrset @type rrset: dns.rrset.RRset object """ self._set_section(section) before = self.output.tell() n = rrset.to_wire(self.output, self.compress, self.origin, **kw) after = self.output.tell() if after >= self.max_size: self._rollback(before) raise dns.exception.TooBig self.counts[section] += n def add_rdataset(self, section, name, rdataset, **kw): """Add the rdataset to the specified section, using the specified name as the owner name. Any keyword arguments are passed on to the rdataset's to_wire() routine. @param section: the section @type section: int @param name: the owner name @type name: dns.name.Name object @param rdataset: the rdataset @type rdataset: dns.rdataset.Rdataset object """ self._set_section(section) before = self.output.tell() n = rdataset.to_wire(name, self.output, self.compress, self.origin, **kw) after = self.output.tell() if after >= self.max_size: self._rollback(before) raise dns.exception.TooBig self.counts[section] += n def add_edns(self, edns, ednsflags, payload, options=None): """Add an EDNS OPT record to the message. @param edns: The EDNS level to use. @type edns: int @param ednsflags: EDNS flag values. @type ednsflags: int @param payload: The EDNS sender's payload field, which is the maximum size of UDP datagram the sender can handle. @type payload: int @param options: The EDNS options list @type options: list of dns.edns.Option instances @see: RFC 2671 """ # make sure the EDNS version in ednsflags agrees with edns ednsflags &= long(0xFF00FFFF) ednsflags |= (edns << 16) self._set_section(ADDITIONAL) before = self.output.tell() self.output.write(struct.pack('!BHHIH', 0, dns.rdatatype.OPT, payload, ednsflags, 0)) if options is not None: lstart = self.output.tell() for opt in options: stuff = struct.pack("!HH", opt.otype, 0) self.output.write(stuff) start = self.output.tell() opt.to_wire(self.output) end = self.output.tell() assert end - start < 65536 self.output.seek(start - 2) stuff = struct.pack("!H", end - start) self.output.write(stuff) self.output.seek(0, 2) lend = self.output.tell() assert lend - lstart < 65536 self.output.seek(lstart - 2) stuff = struct.pack("!H", lend - lstart) self.output.write(stuff) self.output.seek(0, 2) after = self.output.tell() if after >= self.max_size: self._rollback(before) raise dns.exception.TooBig self.counts[ADDITIONAL] += 1 def add_tsig(self, keyname, secret, fudge, id, tsig_error, other_data, request_mac, algorithm=dns.tsig.default_algorithm): """Add a TSIG signature to the message. @param keyname: the TSIG key name @type keyname: dns.name.Name object @param secret: the secret to use @type secret: string @param fudge: TSIG time fudge @type fudge: int @param id: the message id to encode in the tsig signature @type id: int @param tsig_error: TSIG error code; default is 0. @type tsig_error: int @param other_data: TSIG other data. @type other_data: string @param request_mac: This message is a response to the request which had the specified MAC. @type request_mac: string @param algorithm: the TSIG algorithm to use @type algorithm: dns.name.Name object """ self._set_section(ADDITIONAL) before = self.output.tell() s = self.output.getvalue() (tsig_rdata, self.mac, ctx) = dns.tsig.sign(s, keyname, secret, int(time.time()), fudge, id, tsig_error, other_data, request_mac, algorithm=algorithm) keyname.to_wire(self.output, self.compress, self.origin) self.output.write(struct.pack('!HHIH', dns.rdatatype.TSIG, dns.rdataclass.ANY, 0, 0)) rdata_start = self.output.tell() self.output.write(tsig_rdata) after = self.output.tell() assert after - rdata_start < 65536 if after >= self.max_size: self._rollback(before) raise dns.exception.TooBig self.output.seek(rdata_start - 2) self.output.write(struct.pack('!H', after - rdata_start)) self.counts[ADDITIONAL] += 1 self.output.seek(10) self.output.write(struct.pack('!H', self.counts[ADDITIONAL])) self.output.seek(0, 2) def write_header(self): """Write the DNS message header. Writing the DNS message header is done after all sections have been rendered, but before the optional TSIG signature is added. """ self.output.seek(0) self.output.write(struct.pack('!HHHHHH', self.id, self.flags, self.counts[0], self.counts[1], self.counts[2], self.counts[3])) self.output.seek(0, 2) def get_wire(self): """Return the wire format message. @rtype: string """ return self.output.getvalue() dnspython-1.15.0/dns/resolver.py0000644000076500000240000014561112772242076017245 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. """DNS stub resolver. @var default_resolver: The default resolver object @type default_resolver: dns.resolver.Resolver object""" import socket import sys import time import random try: import threading as _threading except ImportError: import dummy_threading as _threading import dns.exception import dns.flags import dns.ipv4 import dns.ipv6 import dns.message import dns.name import dns.query import dns.rcode import dns.rdataclass import dns.rdatatype import dns.reversename import dns.tsig from ._compat import xrange, string_types if sys.platform == 'win32': try: import winreg as _winreg except ImportError: import _winreg # pylint: disable=import-error class NXDOMAIN(dns.exception.DNSException): """The DNS query name does not exist.""" supp_kwargs = set(['qnames', 'responses']) fmt = None # we have our own __str__ implementation def _check_kwargs(self, qnames, responses=None): if not isinstance(qnames, (list, tuple, set)): raise AttributeError("qnames must be a list, tuple or set") if len(qnames) == 0: raise AttributeError("qnames must contain at least one element") if responses is None: responses = {} elif not isinstance(responses, dict): raise AttributeError("responses must be a dict(qname=response)") kwargs = dict(qnames=qnames, responses=responses) return kwargs def __str__(self): if 'qnames' not in self.kwargs: return super(NXDOMAIN, self).__str__() qnames = self.kwargs['qnames'] if len(qnames) > 1: msg = 'None of DNS query names exist' else: msg = self.__doc__[:-1] qnames = ', '.join(map(str, qnames)) return "%s: %s" % (msg, qnames) def canonical_name(self): if not 'qnames' in self.kwargs: raise TypeError("parametrized exception required") IN = dns.rdataclass.IN CNAME = dns.rdatatype.CNAME cname = None for qname in self.kwargs['qnames']: response = self.kwargs['responses'][qname] for answer in response.answer: if answer.rdtype != CNAME or answer.rdclass != IN: continue cname = answer.items[0].target.to_text() if cname is not None: return dns.name.from_text(cname) return self.kwargs['qnames'][0] canonical_name = property(canonical_name, doc=( "Return the unresolved canonical name.")) def __add__(self, e_nx): """Augment by results from another NXDOMAIN exception.""" qnames0 = list(self.kwargs.get('qnames', [])) responses0 = dict(self.kwargs.get('responses', {})) responses1 = e_nx.kwargs.get('responses', {}) for qname1 in e_nx.kwargs.get('qnames', []): if qname1 not in qnames0: qnames0.append(qname1) if qname1 in responses1: responses0[qname1] = responses1[qname1] return NXDOMAIN(qnames=qnames0, responses=responses0) class YXDOMAIN(dns.exception.DNSException): """The DNS query name is too long after DNAME substitution.""" # The definition of the Timeout exception has moved from here to the # dns.exception module. We keep dns.resolver.Timeout defined for # backwards compatibility. Timeout = dns.exception.Timeout class NoAnswer(dns.exception.DNSException): """The DNS response does not contain an answer to the question.""" fmt = 'The DNS response does not contain an answer ' + \ 'to the question: {query}' supp_kwargs = set(['response']) def _fmt_kwargs(self, **kwargs): return super(NoAnswer, self)._fmt_kwargs( query=kwargs['response'].question) class NoNameservers(dns.exception.DNSException): """All nameservers failed to answer the query. errors: list of servers and respective errors The type of errors is [(server ip address, any object convertible to string)]. Non-empty errors list will add explanatory message () """ msg = "All nameservers failed to answer the query." fmt = "%s {query}: {errors}" % msg[:-1] supp_kwargs = set(['request', 'errors']) def _fmt_kwargs(self, **kwargs): srv_msgs = [] for err in kwargs['errors']: srv_msgs.append('Server %s %s port %s answered %s' % (err[0], 'TCP' if err[1] else 'UDP', err[2], err[3])) return super(NoNameservers, self)._fmt_kwargs( query=kwargs['request'].question, errors='; '.join(srv_msgs)) class NotAbsolute(dns.exception.DNSException): """An absolute domain name is required but a relative name was provided.""" class NoRootSOA(dns.exception.DNSException): """There is no SOA RR at the DNS root name. This should never happen!""" class NoMetaqueries(dns.exception.DNSException): """DNS metaqueries are not allowed.""" class Answer(object): """DNS stub resolver answer Instances of this class bundle up the result of a successful DNS resolution. For convenience, the answer object implements much of the sequence protocol, forwarding to its rrset. E.g. "for a in answer" is equivalent to "for a in answer.rrset", "answer[i]" is equivalent to "answer.rrset[i]", and "answer[i:j]" is equivalent to "answer.rrset[i:j]". Note that CNAMEs or DNAMEs in the response may mean that answer node's name might not be the query name. @ivar qname: The query name @type qname: dns.name.Name object @ivar rdtype: The query type @type rdtype: int @ivar rdclass: The query class @type rdclass: int @ivar response: The response message @type response: dns.message.Message object @ivar rrset: The answer @type rrset: dns.rrset.RRset object @ivar expiration: The time when the answer expires @type expiration: float (seconds since the epoch) @ivar canonical_name: The canonical name of the query name @type canonical_name: dns.name.Name object """ def __init__(self, qname, rdtype, rdclass, response, raise_on_no_answer=True): self.qname = qname self.rdtype = rdtype self.rdclass = rdclass self.response = response min_ttl = -1 rrset = None for count in xrange(0, 15): try: rrset = response.find_rrset(response.answer, qname, rdclass, rdtype) if min_ttl == -1 or rrset.ttl < min_ttl: min_ttl = rrset.ttl break except KeyError: if rdtype != dns.rdatatype.CNAME: try: crrset = response.find_rrset(response.answer, qname, rdclass, dns.rdatatype.CNAME) if min_ttl == -1 or crrset.ttl < min_ttl: min_ttl = crrset.ttl for rd in crrset: qname = rd.target break continue except KeyError: if raise_on_no_answer: raise NoAnswer(response=response) if raise_on_no_answer: raise NoAnswer(response=response) if rrset is None and raise_on_no_answer: raise NoAnswer(response=response) self.canonical_name = qname self.rrset = rrset if rrset is None: while 1: # Look for a SOA RR whose owner name is a superdomain # of qname. try: srrset = response.find_rrset(response.authority, qname, rdclass, dns.rdatatype.SOA) if min_ttl == -1 or srrset.ttl < min_ttl: min_ttl = srrset.ttl if srrset[0].minimum < min_ttl: min_ttl = srrset[0].minimum break except KeyError: try: qname = qname.parent() except dns.name.NoParent: break self.expiration = time.time() + min_ttl def __getattr__(self, attr): if attr == 'name': return self.rrset.name elif attr == 'ttl': return self.rrset.ttl elif attr == 'covers': return self.rrset.covers elif attr == 'rdclass': return self.rrset.rdclass elif attr == 'rdtype': return self.rrset.rdtype else: raise AttributeError(attr) def __len__(self): return self.rrset and len(self.rrset) or 0 def __iter__(self): return self.rrset and iter(self.rrset) or iter(tuple()) def __getitem__(self, i): return self.rrset[i] def __delitem__(self, i): del self.rrset[i] class Cache(object): """Simple DNS answer cache. @ivar data: A dictionary of cached data @type data: dict @ivar cleaning_interval: The number of seconds between cleanings. The default is 300 (5 minutes). @type cleaning_interval: float @ivar next_cleaning: The time the cache should next be cleaned (in seconds since the epoch.) @type next_cleaning: float """ def __init__(self, cleaning_interval=300.0): """Initialize a DNS cache. @param cleaning_interval: the number of seconds between periodic cleanings. The default is 300.0 @type cleaning_interval: float. """ self.data = {} self.cleaning_interval = cleaning_interval self.next_cleaning = time.time() + self.cleaning_interval self.lock = _threading.Lock() def _maybe_clean(self): """Clean the cache if it's time to do so.""" now = time.time() if self.next_cleaning <= now: keys_to_delete = [] for (k, v) in self.data.items(): if v.expiration <= now: keys_to_delete.append(k) for k in keys_to_delete: del self.data[k] now = time.time() self.next_cleaning = now + self.cleaning_interval def get(self, key): """Get the answer associated with I{key}. Returns None if no answer is cached for the key. @param key: the key @type key: (dns.name.Name, int, int) tuple whose values are the query name, rdtype, and rdclass. @rtype: dns.resolver.Answer object or None """ try: self.lock.acquire() self._maybe_clean() v = self.data.get(key) if v is None or v.expiration <= time.time(): return None return v finally: self.lock.release() def put(self, key, value): """Associate key and value in the cache. @param key: the key @type key: (dns.name.Name, int, int) tuple whose values are the query name, rdtype, and rdclass. @param value: The answer being cached @type value: dns.resolver.Answer object """ try: self.lock.acquire() self._maybe_clean() self.data[key] = value finally: self.lock.release() def flush(self, key=None): """Flush the cache. If I{key} is specified, only that item is flushed. Otherwise the entire cache is flushed. @param key: the key to flush @type key: (dns.name.Name, int, int) tuple or None """ try: self.lock.acquire() if key is not None: if key in self.data: del self.data[key] else: self.data = {} self.next_cleaning = time.time() + self.cleaning_interval finally: self.lock.release() class LRUCacheNode(object): """LRUCache node. """ def __init__(self, key, value): self.key = key self.value = value self.prev = self self.next = self def link_before(self, node): self.prev = node.prev self.next = node node.prev.next = self node.prev = self def link_after(self, node): self.prev = node self.next = node.next node.next.prev = self node.next = self def unlink(self): self.next.prev = self.prev self.prev.next = self.next class LRUCache(object): """Bounded least-recently-used DNS answer cache. This cache is better than the simple cache (above) if you're running a web crawler or other process that does a lot of resolutions. The LRUCache has a maximum number of nodes, and when it is full, the least-recently used node is removed to make space for a new one. @ivar data: A dictionary of cached data @type data: dict @ivar sentinel: sentinel node for circular doubly linked list of nodes @type sentinel: LRUCacheNode object @ivar max_size: The maximum number of nodes @type max_size: int """ def __init__(self, max_size=100000): """Initialize a DNS cache. @param max_size: The maximum number of nodes to cache; the default is 100,000. Must be greater than 1. @type max_size: int """ self.data = {} self.set_max_size(max_size) self.sentinel = LRUCacheNode(None, None) self.lock = _threading.Lock() def set_max_size(self, max_size): if max_size < 1: max_size = 1 self.max_size = max_size def get(self, key): """Get the answer associated with I{key}. Returns None if no answer is cached for the key. @param key: the key @type key: (dns.name.Name, int, int) tuple whose values are the query name, rdtype, and rdclass. @rtype: dns.resolver.Answer object or None """ try: self.lock.acquire() node = self.data.get(key) if node is None: return None # Unlink because we're either going to move the node to the front # of the LRU list or we're going to free it. node.unlink() if node.value.expiration <= time.time(): del self.data[node.key] return None node.link_after(self.sentinel) return node.value finally: self.lock.release() def put(self, key, value): """Associate key and value in the cache. @param key: the key @type key: (dns.name.Name, int, int) tuple whose values are the query name, rdtype, and rdclass. @param value: The answer being cached @type value: dns.resolver.Answer object """ try: self.lock.acquire() node = self.data.get(key) if node is not None: node.unlink() del self.data[node.key] while len(self.data) >= self.max_size: node = self.sentinel.prev node.unlink() del self.data[node.key] node = LRUCacheNode(key, value) node.link_after(self.sentinel) self.data[key] = node finally: self.lock.release() def flush(self, key=None): """Flush the cache. If I{key} is specified, only that item is flushed. Otherwise the entire cache is flushed. @param key: the key to flush @type key: (dns.name.Name, int, int) tuple or None """ try: self.lock.acquire() if key is not None: node = self.data.get(key) if node is not None: node.unlink() del self.data[node.key] else: node = self.sentinel.next while node != self.sentinel: next = node.next node.prev = None node.next = None node = next self.data = {} finally: self.lock.release() class Resolver(object): """DNS stub resolver @ivar domain: The domain of this host @type domain: dns.name.Name object @ivar nameservers: A list of nameservers to query. Each nameserver is a string which contains the IP address of a nameserver. @type nameservers: list of strings @ivar search: The search list. If the query name is a relative name, the resolver will construct an absolute query name by appending the search names one by one to the query name. @type search: list of dns.name.Name objects @ivar port: The port to which to send queries. The default is 53. @type port: int @ivar timeout: The number of seconds to wait for a response from a server, before timing out. @type timeout: float @ivar lifetime: The total number of seconds to spend trying to get an answer to the question. If the lifetime expires, a Timeout exception will occur. @type lifetime: float @ivar keyring: The TSIG keyring to use. The default is None. @type keyring: dict @ivar keyname: The TSIG keyname to use. The default is None. @type keyname: dns.name.Name object @ivar keyalgorithm: The TSIG key algorithm to use. The default is dns.tsig.default_algorithm. @type keyalgorithm: string @ivar edns: The EDNS level to use. The default is -1, no Edns. @type edns: int @ivar ednsflags: The EDNS flags @type ednsflags: int @ivar payload: The EDNS payload size. The default is 0. @type payload: int @ivar flags: The message flags to use. The default is None (i.e. not overwritten) @type flags: int @ivar cache: The cache to use. The default is None. @type cache: dns.resolver.Cache object @ivar retry_servfail: should we retry a nameserver if it says SERVFAIL? The default is 'false'. @type retry_servfail: bool """ def __init__(self, filename='/etc/resolv.conf', configure=True): """Initialize a resolver instance. @param filename: The filename of a configuration file in standard /etc/resolv.conf format. This parameter is meaningful only when I{configure} is true and the platform is POSIX. @type filename: string or file object @param configure: If True (the default), the resolver instance is configured in the normal fashion for the operating system the resolver is running on. (I.e. a /etc/resolv.conf file on POSIX systems and from the registry on Windows systems.) @type configure: bool""" self.domain = None self.nameservers = None self.nameserver_ports = None self.port = None self.search = None self.timeout = None self.lifetime = None self.keyring = None self.keyname = None self.keyalgorithm = None self.edns = None self.ednsflags = None self.payload = None self.cache = None self.flags = None self.retry_servfail = False self.rotate = False self.reset() if configure: if sys.platform == 'win32': self.read_registry() elif filename: self.read_resolv_conf(filename) def reset(self): """Reset all resolver configuration to the defaults.""" self.domain = \ dns.name.Name(dns.name.from_text(socket.gethostname())[1:]) if len(self.domain) == 0: self.domain = dns.name.root self.nameservers = [] self.nameserver_ports = {} self.port = 53 self.search = [] self.timeout = 2.0 self.lifetime = 30.0 self.keyring = None self.keyname = None self.keyalgorithm = dns.tsig.default_algorithm self.edns = -1 self.ednsflags = 0 self.payload = 0 self.cache = None self.flags = None self.retry_servfail = False self.rotate = False def read_resolv_conf(self, f): """Process f as a file in the /etc/resolv.conf format. If f is a string, it is used as the name of the file to open; otherwise it is treated as the file itself.""" if isinstance(f, string_types): try: f = open(f, 'r') except IOError: # /etc/resolv.conf doesn't exist, can't be read, etc. # We'll just use the default resolver configuration. self.nameservers = ['127.0.0.1'] return want_close = True else: want_close = False try: for l in f: if len(l) == 0 or l[0] == '#' or l[0] == ';': continue tokens = l.split() # Any line containing less than 2 tokens is malformed if len(tokens) < 2: continue if tokens[0] == 'nameserver': self.nameservers.append(tokens[1]) elif tokens[0] == 'domain': self.domain = dns.name.from_text(tokens[1]) elif tokens[0] == 'search': for suffix in tokens[1:]: self.search.append(dns.name.from_text(suffix)) elif tokens[0] == 'options': if 'rotate' in tokens[1:]: self.rotate = True finally: if want_close: f.close() if len(self.nameservers) == 0: self.nameservers.append('127.0.0.1') def _determine_split_char(self, entry): # # The windows registry irritatingly changes the list element # delimiter in between ' ' and ',' (and vice-versa) in various # versions of windows. # if entry.find(' ') >= 0: split_char = ' ' elif entry.find(',') >= 0: split_char = ',' else: # probably a singleton; treat as a space-separated list. split_char = ' ' return split_char def _config_win32_nameservers(self, nameservers): """Configure a NameServer registry entry.""" # we call str() on nameservers to convert it from unicode to ascii nameservers = str(nameservers) split_char = self._determine_split_char(nameservers) ns_list = nameservers.split(split_char) for ns in ns_list: if ns not in self.nameservers: self.nameservers.append(ns) def _config_win32_domain(self, domain): """Configure a Domain registry entry.""" # we call str() on domain to convert it from unicode to ascii self.domain = dns.name.from_text(str(domain)) def _config_win32_search(self, search): """Configure a Search registry entry.""" # we call str() on search to convert it from unicode to ascii search = str(search) split_char = self._determine_split_char(search) search_list = search.split(split_char) for s in search_list: if s not in self.search: self.search.append(dns.name.from_text(s)) def _config_win32_fromkey(self, key): """Extract DNS info from a registry key.""" try: servers, rtype = _winreg.QueryValueEx(key, 'NameServer') except WindowsError: # pylint: disable=undefined-variable servers = None if servers: self._config_win32_nameservers(servers) try: dom, rtype = _winreg.QueryValueEx(key, 'Domain') if dom: self._config_win32_domain(dom) except WindowsError: # pylint: disable=undefined-variable pass else: try: servers, rtype = _winreg.QueryValueEx(key, 'DhcpNameServer') except WindowsError: # pylint: disable=undefined-variable servers = None if servers: self._config_win32_nameservers(servers) try: dom, rtype = _winreg.QueryValueEx(key, 'DhcpDomain') if dom: self._config_win32_domain(dom) except WindowsError: # pylint: disable=undefined-variable pass try: search, rtype = _winreg.QueryValueEx(key, 'SearchList') except WindowsError: # pylint: disable=undefined-variable search = None if search: self._config_win32_search(search) def read_registry(self): """Extract resolver configuration from the Windows registry.""" lm = _winreg.ConnectRegistry(None, _winreg.HKEY_LOCAL_MACHINE) want_scan = False try: try: # XP, 2000 tcp_params = _winreg.OpenKey(lm, r'SYSTEM\CurrentControlSet' r'\Services\Tcpip\Parameters') want_scan = True except EnvironmentError: # ME tcp_params = _winreg.OpenKey(lm, r'SYSTEM\CurrentControlSet' r'\Services\VxD\MSTCP') try: self._config_win32_fromkey(tcp_params) finally: tcp_params.Close() if want_scan: interfaces = _winreg.OpenKey(lm, r'SYSTEM\CurrentControlSet' r'\Services\Tcpip\Parameters' r'\Interfaces') try: i = 0 while True: try: guid = _winreg.EnumKey(interfaces, i) i += 1 key = _winreg.OpenKey(interfaces, guid) if not self._win32_is_nic_enabled(lm, guid, key): continue try: self._config_win32_fromkey(key) finally: key.Close() except EnvironmentError: break finally: interfaces.Close() finally: lm.Close() def _win32_is_nic_enabled(self, lm, guid, interface_key): # Look in the Windows Registry to determine whether the network # interface corresponding to the given guid is enabled. # # (Code contributed by Paul Marks, thanks!) # try: # This hard-coded location seems to be consistent, at least # from Windows 2000 through Vista. connection_key = _winreg.OpenKey( lm, r'SYSTEM\CurrentControlSet\Control\Network' r'\{4D36E972-E325-11CE-BFC1-08002BE10318}' r'\%s\Connection' % guid) try: # The PnpInstanceID points to a key inside Enum (pnp_id, ttype) = _winreg.QueryValueEx( connection_key, 'PnpInstanceID') if ttype != _winreg.REG_SZ: raise ValueError device_key = _winreg.OpenKey( lm, r'SYSTEM\CurrentControlSet\Enum\%s' % pnp_id) try: # Get ConfigFlags for this device (flags, ttype) = _winreg.QueryValueEx( device_key, 'ConfigFlags') if ttype != _winreg.REG_DWORD: raise ValueError # Based on experimentation, bit 0x1 indicates that the # device is disabled. return not flags & 0x1 finally: device_key.Close() finally: connection_key.Close() except (EnvironmentError, ValueError): # Pre-vista, enabled interfaces seem to have a non-empty # NTEContextList; this was how dnspython detected enabled # nics before the code above was contributed. We've retained # the old method since we don't know if the code above works # on Windows 95/98/ME. try: (nte, ttype) = _winreg.QueryValueEx(interface_key, 'NTEContextList') return nte is not None except WindowsError: # pylint: disable=undefined-variable return False def _compute_timeout(self, start): now = time.time() duration = now - start if duration < 0: if duration < -1: # Time going backwards is bad. Just give up. raise Timeout(timeout=duration) else: # Time went backwards, but only a little. This can # happen, e.g. under vmware with older linux kernels. # Pretend it didn't happen. now = start if duration >= self.lifetime: raise Timeout(timeout=duration) return min(self.lifetime - duration, self.timeout) def query(self, qname, rdtype=dns.rdatatype.A, rdclass=dns.rdataclass.IN, tcp=False, source=None, raise_on_no_answer=True, source_port=0): """Query nameservers to find the answer to the question. The I{qname}, I{rdtype}, and I{rdclass} parameters may be objects of the appropriate type, or strings that can be converted into objects of the appropriate type. E.g. For I{rdtype} the integer 2 and the the string 'NS' both mean to query for records with DNS rdata type NS. @param qname: the query name @type qname: dns.name.Name object or string @param rdtype: the query type @type rdtype: int or string @param rdclass: the query class @type rdclass: int or string @param tcp: use TCP to make the query (default is False). @type tcp: bool @param source: bind to this IP address (defaults to machine default IP). @type source: IP address in dotted quad notation @param raise_on_no_answer: raise NoAnswer if there's no answer (defaults is True). @type raise_on_no_answer: bool @param source_port: The port from which to send the message. The default is 0. @type source_port: int @rtype: dns.resolver.Answer instance @raises Timeout: no answers could be found in the specified lifetime @raises NXDOMAIN: the query name does not exist @raises YXDOMAIN: the query name is too long after DNAME substitution @raises NoAnswer: the response did not contain an answer and raise_on_no_answer is True. @raises NoNameservers: no non-broken nameservers are available to answer the question.""" if isinstance(qname, string_types): qname = dns.name.from_text(qname, None) if isinstance(rdtype, string_types): rdtype = dns.rdatatype.from_text(rdtype) if dns.rdatatype.is_metatype(rdtype): raise NoMetaqueries if isinstance(rdclass, string_types): rdclass = dns.rdataclass.from_text(rdclass) if dns.rdataclass.is_metaclass(rdclass): raise NoMetaqueries qnames_to_try = [] if qname.is_absolute(): qnames_to_try.append(qname) else: if len(qname) > 1: qnames_to_try.append(qname.concatenate(dns.name.root)) if self.search: for suffix in self.search: qnames_to_try.append(qname.concatenate(suffix)) else: qnames_to_try.append(qname.concatenate(self.domain)) all_nxdomain = True nxdomain_responses = {} start = time.time() _qname = None # make pylint happy for _qname in qnames_to_try: if self.cache: answer = self.cache.get((_qname, rdtype, rdclass)) if answer is not None: if answer.rrset is None and raise_on_no_answer: raise NoAnswer(response=answer.response) else: return answer request = dns.message.make_query(_qname, rdtype, rdclass) if self.keyname is not None: request.use_tsig(self.keyring, self.keyname, algorithm=self.keyalgorithm) request.use_edns(self.edns, self.ednsflags, self.payload) if self.flags is not None: request.flags = self.flags response = None # # make a copy of the servers list so we can alter it later. # nameservers = self.nameservers[:] errors = [] if self.rotate: random.shuffle(nameservers) backoff = 0.10 while response is None: if len(nameservers) == 0: raise NoNameservers(request=request, errors=errors) for nameserver in nameservers[:]: timeout = self._compute_timeout(start) port = self.nameserver_ports.get(nameserver, self.port) try: tcp_attempt = tcp if tcp: response = dns.query.tcp(request, nameserver, timeout, port, source=source, source_port=source_port) else: response = dns.query.udp(request, nameserver, timeout, port, source=source, source_port=source_port) if response.flags & dns.flags.TC: # Response truncated; retry with TCP. tcp_attempt = True timeout = self._compute_timeout(start) response = \ dns.query.tcp(request, nameserver, timeout, port, source=source, source_port=source_port) except (socket.error, dns.exception.Timeout) as ex: # # Communication failure or timeout. Go to the # next server # errors.append((nameserver, tcp_attempt, port, ex, response)) response = None continue except dns.query.UnexpectedSource as ex: # # Who knows? Keep going. # errors.append((nameserver, tcp_attempt, port, ex, response)) response = None continue except dns.exception.FormError as ex: # # We don't understand what this server is # saying. Take it out of the mix and # continue. # nameservers.remove(nameserver) errors.append((nameserver, tcp_attempt, port, ex, response)) response = None continue except EOFError as ex: # # We're using TCP and they hung up on us. # Probably they don't support TCP (though # they're supposed to!). Take it out of the # mix and continue. # nameservers.remove(nameserver) errors.append((nameserver, tcp_attempt, port, ex, response)) response = None continue rcode = response.rcode() if rcode == dns.rcode.YXDOMAIN: ex = YXDOMAIN() errors.append((nameserver, tcp_attempt, port, ex, response)) raise ex if rcode == dns.rcode.NOERROR or \ rcode == dns.rcode.NXDOMAIN: break # # We got a response, but we're not happy with the # rcode in it. Remove the server from the mix if # the rcode isn't SERVFAIL. # if rcode != dns.rcode.SERVFAIL or not self.retry_servfail: nameservers.remove(nameserver) errors.append((nameserver, tcp_attempt, port, dns.rcode.to_text(rcode), response)) response = None if response is not None: break # # All nameservers failed! # if len(nameservers) > 0: # # But we still have servers to try. Sleep a bit # so we don't pound them! # timeout = self._compute_timeout(start) sleep_time = min(timeout, backoff) backoff *= 2 time.sleep(sleep_time) if response.rcode() == dns.rcode.NXDOMAIN: nxdomain_responses[_qname] = response continue all_nxdomain = False break if all_nxdomain: raise NXDOMAIN(qnames=qnames_to_try, responses=nxdomain_responses) answer = Answer(_qname, rdtype, rdclass, response, raise_on_no_answer) if self.cache: self.cache.put((_qname, rdtype, rdclass), answer) return answer def use_tsig(self, keyring, keyname=None, algorithm=dns.tsig.default_algorithm): """Add a TSIG signature to the query. @param keyring: The TSIG keyring to use; defaults to None. @type keyring: dict @param keyname: The name of the TSIG key to use; defaults to None. The key must be defined in the keyring. If a keyring is specified but a keyname is not, then the key used will be the first key in the keyring. Note that the order of keys in a dictionary is not defined, so applications should supply a keyname when a keyring is used, unless they know the keyring contains only one key. @param algorithm: The TSIG key algorithm to use. The default is dns.tsig.default_algorithm. @type algorithm: string""" self.keyring = keyring if keyname is None: self.keyname = list(self.keyring.keys())[0] else: self.keyname = keyname self.keyalgorithm = algorithm def use_edns(self, edns, ednsflags, payload): """Configure Edns. @param edns: The EDNS level to use. The default is -1, no Edns. @type edns: int @param ednsflags: The EDNS flags @type ednsflags: int @param payload: The EDNS payload size. The default is 0. @type payload: int""" if edns is None: edns = -1 self.edns = edns self.ednsflags = ednsflags self.payload = payload def set_flags(self, flags): """Overrides the default flags with your own @param flags: The flags to overwrite the default with @type flags: int""" self.flags = flags default_resolver = None def get_default_resolver(): """Get the default resolver, initializing it if necessary.""" if default_resolver is None: reset_default_resolver() return default_resolver def reset_default_resolver(): """Re-initialize default resolver. resolv.conf will be re-read immediatelly. """ global default_resolver default_resolver = Resolver() def query(qname, rdtype=dns.rdatatype.A, rdclass=dns.rdataclass.IN, tcp=False, source=None, raise_on_no_answer=True, source_port=0): """Query nameservers to find the answer to the question. This is a convenience function that uses the default resolver object to make the query. @see: L{dns.resolver.Resolver.query} for more information on the parameters.""" return get_default_resolver().query(qname, rdtype, rdclass, tcp, source, raise_on_no_answer, source_port) def zone_for_name(name, rdclass=dns.rdataclass.IN, tcp=False, resolver=None): """Find the name of the zone which contains the specified name. @param name: the query name @type name: absolute dns.name.Name object or string @param rdclass: The query class @type rdclass: int @param tcp: use TCP to make the query (default is False). @type tcp: bool @param resolver: the resolver to use @type resolver: dns.resolver.Resolver object or None @rtype: dns.name.Name""" if isinstance(name, string_types): name = dns.name.from_text(name, dns.name.root) if resolver is None: resolver = get_default_resolver() if not name.is_absolute(): raise NotAbsolute(name) while 1: try: answer = resolver.query(name, dns.rdatatype.SOA, rdclass, tcp) if answer.rrset.name == name: return name # otherwise we were CNAMEd or DNAMEd and need to look higher except (dns.resolver.NXDOMAIN, dns.resolver.NoAnswer): pass try: name = name.parent() except dns.name.NoParent: raise NoRootSOA # # Support for overriding the system resolver for all python code in the # running process. # _protocols_for_socktype = { socket.SOCK_DGRAM: [socket.SOL_UDP], socket.SOCK_STREAM: [socket.SOL_TCP], } _resolver = None _original_getaddrinfo = socket.getaddrinfo _original_getnameinfo = socket.getnameinfo _original_getfqdn = socket.getfqdn _original_gethostbyname = socket.gethostbyname _original_gethostbyname_ex = socket.gethostbyname_ex _original_gethostbyaddr = socket.gethostbyaddr def _getaddrinfo(host=None, service=None, family=socket.AF_UNSPEC, socktype=0, proto=0, flags=0): if flags & (socket.AI_ADDRCONFIG | socket.AI_V4MAPPED) != 0: raise NotImplementedError if host is None and service is None: raise socket.gaierror(socket.EAI_NONAME) v6addrs = [] v4addrs = [] canonical_name = None try: # Is host None or a V6 address literal? if host is None: canonical_name = 'localhost' if flags & socket.AI_PASSIVE != 0: v6addrs.append('::') v4addrs.append('0.0.0.0') else: v6addrs.append('::1') v4addrs.append('127.0.0.1') else: parts = host.split('%') if len(parts) == 2: ahost = parts[0] else: ahost = host addr = dns.ipv6.inet_aton(ahost) v6addrs.append(host) canonical_name = host except Exception: try: # Is it a V4 address literal? addr = dns.ipv4.inet_aton(host) v4addrs.append(host) canonical_name = host except Exception: if flags & socket.AI_NUMERICHOST == 0: try: if family == socket.AF_INET6 or family == socket.AF_UNSPEC: v6 = _resolver.query(host, dns.rdatatype.AAAA, raise_on_no_answer=False) # Note that setting host ensures we query the same name # for A as we did for AAAA. host = v6.qname canonical_name = v6.canonical_name.to_text(True) if v6.rrset is not None: for rdata in v6.rrset: v6addrs.append(rdata.address) if family == socket.AF_INET or family == socket.AF_UNSPEC: v4 = _resolver.query(host, dns.rdatatype.A, raise_on_no_answer=False) host = v4.qname canonical_name = v4.canonical_name.to_text(True) if v4.rrset is not None: for rdata in v4.rrset: v4addrs.append(rdata.address) except dns.resolver.NXDOMAIN: raise socket.gaierror(socket.EAI_NONAME) except: raise socket.gaierror(socket.EAI_SYSTEM) port = None try: # Is it a port literal? if service is None: port = 0 else: port = int(service) except Exception: if flags & socket.AI_NUMERICSERV == 0: try: port = socket.getservbyname(service) except Exception: pass if port is None: raise socket.gaierror(socket.EAI_NONAME) tuples = [] if socktype == 0: socktypes = [socket.SOCK_DGRAM, socket.SOCK_STREAM] else: socktypes = [socktype] if flags & socket.AI_CANONNAME != 0: cname = canonical_name else: cname = '' if family == socket.AF_INET6 or family == socket.AF_UNSPEC: for addr in v6addrs: for socktype in socktypes: for proto in _protocols_for_socktype[socktype]: tuples.append((socket.AF_INET6, socktype, proto, cname, (addr, port, 0, 0))) if family == socket.AF_INET or family == socket.AF_UNSPEC: for addr in v4addrs: for socktype in socktypes: for proto in _protocols_for_socktype[socktype]: tuples.append((socket.AF_INET, socktype, proto, cname, (addr, port))) if len(tuples) == 0: raise socket.gaierror(socket.EAI_NONAME) return tuples def _getnameinfo(sockaddr, flags=0): host = sockaddr[0] port = sockaddr[1] if len(sockaddr) == 4: scope = sockaddr[3] family = socket.AF_INET6 else: scope = None family = socket.AF_INET tuples = _getaddrinfo(host, port, family, socket.SOCK_STREAM, socket.SOL_TCP, 0) if len(tuples) > 1: raise socket.error('sockaddr resolved to multiple addresses') addr = tuples[0][4][0] if flags & socket.NI_DGRAM: pname = 'udp' else: pname = 'tcp' qname = dns.reversename.from_address(addr) if flags & socket.NI_NUMERICHOST == 0: try: answer = _resolver.query(qname, 'PTR') hostname = answer.rrset[0].target.to_text(True) except (dns.resolver.NXDOMAIN, dns.resolver.NoAnswer): if flags & socket.NI_NAMEREQD: raise socket.gaierror(socket.EAI_NONAME) hostname = addr if scope is not None: hostname += '%' + str(scope) else: hostname = addr if scope is not None: hostname += '%' + str(scope) if flags & socket.NI_NUMERICSERV: service = str(port) else: service = socket.getservbyport(port, pname) return (hostname, service) def _getfqdn(name=None): if name is None: name = socket.gethostname() try: return _getnameinfo(_getaddrinfo(name, 80)[0][4])[0] except Exception: return name def _gethostbyname(name): return _gethostbyname_ex(name)[2][0] def _gethostbyname_ex(name): aliases = [] addresses = [] tuples = _getaddrinfo(name, 0, socket.AF_INET, socket.SOCK_STREAM, socket.SOL_TCP, socket.AI_CANONNAME) canonical = tuples[0][3] for item in tuples: addresses.append(item[4][0]) # XXX we just ignore aliases return (canonical, aliases, addresses) def _gethostbyaddr(ip): try: dns.ipv6.inet_aton(ip) sockaddr = (ip, 80, 0, 0) family = socket.AF_INET6 except Exception: sockaddr = (ip, 80) family = socket.AF_INET (name, port) = _getnameinfo(sockaddr, socket.NI_NAMEREQD) aliases = [] addresses = [] tuples = _getaddrinfo(name, 0, family, socket.SOCK_STREAM, socket.SOL_TCP, socket.AI_CANONNAME) canonical = tuples[0][3] for item in tuples: addresses.append(item[4][0]) # XXX we just ignore aliases return (canonical, aliases, addresses) def override_system_resolver(resolver=None): """Override the system resolver routines in the socket module with versions which use dnspython's resolver. This can be useful in testing situations where you want to control the resolution behavior of python code without having to change the system's resolver settings (e.g. /etc/resolv.conf). The resolver to use may be specified; if it's not, the default resolver will be used. @param resolver: the resolver to use @type resolver: dns.resolver.Resolver object or None """ if resolver is None: resolver = get_default_resolver() global _resolver _resolver = resolver socket.getaddrinfo = _getaddrinfo socket.getnameinfo = _getnameinfo socket.getfqdn = _getfqdn socket.gethostbyname = _gethostbyname socket.gethostbyname_ex = _gethostbyname_ex socket.gethostbyaddr = _gethostbyaddr def restore_system_resolver(): """Undo the effects of override_system_resolver(). """ global _resolver _resolver = None socket.getaddrinfo = _original_getaddrinfo socket.getnameinfo = _original_getnameinfo socket.getfqdn = _original_getfqdn socket.gethostbyname = _original_gethostbyname socket.gethostbyname_ex = _original_gethostbyname_ex socket.gethostbyaddr = _original_gethostbyaddr dnspython-1.15.0/dns/reversename.py0000644000076500000240000000635712770261242017715 0ustar halleystaff00000000000000# Copyright (C) 2006, 2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. """DNS Reverse Map Names. @var ipv4_reverse_domain: The DNS IPv4 reverse-map domain, in-addr.arpa. @type ipv4_reverse_domain: dns.name.Name object @var ipv6_reverse_domain: The DNS IPv6 reverse-map domain, ip6.arpa. @type ipv6_reverse_domain: dns.name.Name object """ import binascii import sys import dns.name import dns.ipv6 import dns.ipv4 ipv4_reverse_domain = dns.name.from_text('in-addr.arpa.') ipv6_reverse_domain = dns.name.from_text('ip6.arpa.') def from_address(text): """Convert an IPv4 or IPv6 address in textual form into a Name object whose value is the reverse-map domain name of the address. @param text: an IPv4 or IPv6 address in textual form (e.g. '127.0.0.1', '::1') @type text: str @rtype: dns.name.Name object """ try: v6 = dns.ipv6.inet_aton(text) if dns.ipv6.is_mapped(v6): if sys.version_info >= (3,): parts = ['%d' % byte for byte in v6[12:]] else: parts = ['%d' % ord(byte) for byte in v6[12:]] origin = ipv4_reverse_domain else: parts = [x for x in str(binascii.hexlify(v6).decode())] origin = ipv6_reverse_domain except Exception: parts = ['%d' % byte for byte in bytearray(dns.ipv4.inet_aton(text))] origin = ipv4_reverse_domain parts.reverse() return dns.name.from_text('.'.join(parts), origin=origin) def to_address(name): """Convert a reverse map domain name into textual address form. @param name: an IPv4 or IPv6 address in reverse-map form. @type name: dns.name.Name object @rtype: str """ if name.is_subdomain(ipv4_reverse_domain): name = name.relativize(ipv4_reverse_domain) labels = list(name.labels) labels.reverse() text = b'.'.join(labels) # run through inet_aton() to check syntax and make pretty. return dns.ipv4.inet_ntoa(dns.ipv4.inet_aton(text)) elif name.is_subdomain(ipv6_reverse_domain): name = name.relativize(ipv6_reverse_domain) labels = list(name.labels) labels.reverse() parts = [] i = 0 l = len(labels) while i < l: parts.append(b''.join(labels[i:i + 4])) i += 4 text = b':'.join(parts) # run through inet_aton() to check syntax and make pretty. return dns.ipv6.inet_ntoa(dns.ipv6.inet_aton(text)) else: raise dns.exception.SyntaxError('unknown reverse-map address family') dnspython-1.15.0/dns/rrset.py0000644000076500000240000001355312772022255016535 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. """DNS RRsets (an RRset is a named rdataset)""" import dns.name import dns.rdataset import dns.rdataclass import dns.renderer from ._compat import string_types class RRset(dns.rdataset.Rdataset): """A DNS RRset (named rdataset). RRset inherits from Rdataset, and RRsets can be treated as Rdatasets in most cases. There are, however, a few notable exceptions. RRsets have different to_wire() and to_text() method arguments, reflecting the fact that RRsets always have an owner name. """ __slots__ = ['name', 'deleting'] def __init__(self, name, rdclass, rdtype, covers=dns.rdatatype.NONE, deleting=None): """Create a new RRset.""" super(RRset, self).__init__(rdclass, rdtype, covers) self.name = name self.deleting = deleting def _clone(self): obj = super(RRset, self)._clone() obj.name = self.name obj.deleting = self.deleting return obj def __repr__(self): if self.covers == 0: ctext = '' else: ctext = '(' + dns.rdatatype.to_text(self.covers) + ')' if self.deleting is not None: dtext = ' delete=' + dns.rdataclass.to_text(self.deleting) else: dtext = '' return '' def __str__(self): return self.to_text() def __eq__(self, other): """Two RRsets are equal if they have the same name and the same rdataset @rtype: bool""" if not isinstance(other, RRset): return False if self.name != other.name: return False return super(RRset, self).__eq__(other) def match(self, name, rdclass, rdtype, covers, deleting=None): """Returns True if this rrset matches the specified class, type, covers, and deletion state.""" if not super(RRset, self).match(rdclass, rdtype, covers): return False if self.name != name or self.deleting != deleting: return False return True def to_text(self, origin=None, relativize=True, **kw): """Convert the RRset into DNS master file format. @see: L{dns.name.Name.choose_relativity} for more information on how I{origin} and I{relativize} determine the way names are emitted. Any additional keyword arguments are passed on to the rdata to_text() method. @param origin: The origin for relative names, or None. @type origin: dns.name.Name object @param relativize: True if names should names be relativized @type relativize: bool""" return super(RRset, self).to_text(self.name, origin, relativize, self.deleting, **kw) def to_wire(self, file, compress=None, origin=None, **kw): """Convert the RRset to wire format.""" return super(RRset, self).to_wire(self.name, file, compress, origin, self.deleting, **kw) def to_rdataset(self): """Convert an RRset into an Rdataset. @rtype: dns.rdataset.Rdataset object """ return dns.rdataset.from_rdata_list(self.ttl, list(self)) def from_text_list(name, ttl, rdclass, rdtype, text_rdatas, idna_codec=None): """Create an RRset with the specified name, TTL, class, and type, and with the specified list of rdatas in text format. @rtype: dns.rrset.RRset object """ if isinstance(name, string_types): name = dns.name.from_text(name, None, idna_codec=idna_codec) if isinstance(rdclass, string_types): rdclass = dns.rdataclass.from_text(rdclass) if isinstance(rdtype, string_types): rdtype = dns.rdatatype.from_text(rdtype) r = RRset(name, rdclass, rdtype) r.update_ttl(ttl) for t in text_rdatas: rd = dns.rdata.from_text(r.rdclass, r.rdtype, t) r.add(rd) return r def from_text(name, ttl, rdclass, rdtype, *text_rdatas): """Create an RRset with the specified name, TTL, class, and type and with the specified rdatas in text format. @rtype: dns.rrset.RRset object """ return from_text_list(name, ttl, rdclass, rdtype, text_rdatas) def from_rdata_list(name, ttl, rdatas, idna_codec=None): """Create an RRset with the specified name and TTL, and with the specified list of rdata objects. @rtype: dns.rrset.RRset object """ if isinstance(name, string_types): name = dns.name.from_text(name, None, idna_codec=idna_codec) if len(rdatas) == 0: raise ValueError("rdata list must not be empty") r = None for rd in rdatas: if r is None: r = RRset(name, rd.rdclass, rd.rdtype) r.update_ttl(ttl) r.add(rd) return r def from_rdata(name, ttl, *rdatas): """Create an RRset with the specified name and TTL, and with the specified rdata objects. @rtype: dns.rrset.RRset object """ return from_rdata_list(name, ttl, rdatas) dnspython-1.15.0/dns/set.py0000644000076500000240000001704312770261242016166 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. """A simple Set class.""" class Set(object): """A simple set class. Sets are not in Python until 2.3, and rdata are not immutable so we cannot use sets.Set anyway. This class implements subset of the 2.3 Set interface using a list as the container. @ivar items: A list of the items which are in the set @type items: list""" __slots__ = ['items'] def __init__(self, items=None): """Initialize the set. @param items: the initial set of items @type items: any iterable or None """ self.items = [] if items is not None: for item in items: self.add(item) def __repr__(self): return "dns.simpleset.Set(%s)" % repr(self.items) def add(self, item): """Add an item to the set.""" if item not in self.items: self.items.append(item) def remove(self, item): """Remove an item from the set.""" self.items.remove(item) def discard(self, item): """Remove an item from the set if present.""" try: self.items.remove(item) except ValueError: pass def _clone(self): """Make a (shallow) copy of the set. There is a 'clone protocol' that subclasses of this class should use. To make a copy, first call your super's _clone() method, and use the object returned as the new instance. Then make shallow copies of the attributes defined in the subclass. This protocol allows us to write the set algorithms that return new instances (e.g. union) once, and keep using them in subclasses. """ cls = self.__class__ obj = cls.__new__(cls) obj.items = list(self.items) return obj def __copy__(self): """Make a (shallow) copy of the set.""" return self._clone() def copy(self): """Make a (shallow) copy of the set.""" return self._clone() def union_update(self, other): """Update the set, adding any elements from other which are not already in the set. @param other: the collection of items with which to update the set @type other: Set object """ if not isinstance(other, Set): raise ValueError('other must be a Set instance') if self is other: return for item in other.items: self.add(item) def intersection_update(self, other): """Update the set, removing any elements from other which are not in both sets. @param other: the collection of items with which to update the set @type other: Set object """ if not isinstance(other, Set): raise ValueError('other must be a Set instance') if self is other: return # we make a copy of the list so that we can remove items from # the list without breaking the iterator. for item in list(self.items): if item not in other.items: self.items.remove(item) def difference_update(self, other): """Update the set, removing any elements from other which are in the set. @param other: the collection of items with which to update the set @type other: Set object """ if not isinstance(other, Set): raise ValueError('other must be a Set instance') if self is other: self.items = [] else: for item in other.items: self.discard(item) def union(self, other): """Return a new set which is the union of I{self} and I{other}. @param other: the other set @type other: Set object @rtype: the same type as I{self} """ obj = self._clone() obj.union_update(other) return obj def intersection(self, other): """Return a new set which is the intersection of I{self} and I{other}. @param other: the other set @type other: Set object @rtype: the same type as I{self} """ obj = self._clone() obj.intersection_update(other) return obj def difference(self, other): """Return a new set which I{self} - I{other}, i.e. the items in I{self} which are not also in I{other}. @param other: the other set @type other: Set object @rtype: the same type as I{self} """ obj = self._clone() obj.difference_update(other) return obj def __or__(self, other): return self.union(other) def __and__(self, other): return self.intersection(other) def __add__(self, other): return self.union(other) def __sub__(self, other): return self.difference(other) def __ior__(self, other): self.union_update(other) return self def __iand__(self, other): self.intersection_update(other) return self def __iadd__(self, other): self.union_update(other) return self def __isub__(self, other): self.difference_update(other) return self def update(self, other): """Update the set, adding any elements from other which are not already in the set. @param other: the collection of items with which to update the set @type other: any iterable type""" for item in other: self.add(item) def clear(self): """Make the set empty.""" self.items = [] def __eq__(self, other): # Yes, this is inefficient but the sets we're dealing with are # usually quite small, so it shouldn't hurt too much. for item in self.items: if item not in other.items: return False for item in other.items: if item not in self.items: return False return True def __ne__(self, other): return not self.__eq__(other) def __len__(self): return len(self.items) def __iter__(self): return iter(self.items) def __getitem__(self, i): return self.items[i] def __delitem__(self, i): del self.items[i] def issubset(self, other): """Is I{self} a subset of I{other}? @rtype: bool """ if not isinstance(other, Set): raise ValueError('other must be a Set instance') for item in self.items: if item not in other.items: return False return True def issuperset(self, other): """Is I{self} a superset of I{other}? @rtype: bool """ if not isinstance(other, Set): raise ValueError('other must be a Set instance') for item in other.items: if item not in self.items: return False return True dnspython-1.15.0/dns/tokenizer.py0000644000076500000240000004361112770261242017405 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. """Tokenize DNS master file format""" from io import StringIO import sys import dns.exception import dns.name import dns.ttl from ._compat import long, text_type, binary_type _DELIMITERS = { ' ': True, '\t': True, '\n': True, ';': True, '(': True, ')': True, '"': True} _QUOTING_DELIMITERS = {'"': True} EOF = 0 EOL = 1 WHITESPACE = 2 IDENTIFIER = 3 QUOTED_STRING = 4 COMMENT = 5 DELIMITER = 6 class UngetBufferFull(dns.exception.DNSException): """An attempt was made to unget a token when the unget buffer was full.""" class Token(object): """A DNS master file format token. @ivar ttype: The token type @type ttype: int @ivar value: The token value @type value: string @ivar has_escape: Does the token value contain escapes? @type has_escape: bool """ def __init__(self, ttype, value='', has_escape=False): """Initialize a token instance. @param ttype: The token type @type ttype: int @param value: The token value @type value: string @param has_escape: Does the token value contain escapes? @type has_escape: bool """ self.ttype = ttype self.value = value self.has_escape = has_escape def is_eof(self): return self.ttype == EOF def is_eol(self): return self.ttype == EOL def is_whitespace(self): return self.ttype == WHITESPACE def is_identifier(self): return self.ttype == IDENTIFIER def is_quoted_string(self): return self.ttype == QUOTED_STRING def is_comment(self): return self.ttype == COMMENT def is_delimiter(self): return self.ttype == DELIMITER def is_eol_or_eof(self): return self.ttype == EOL or self.ttype == EOF def __eq__(self, other): if not isinstance(other, Token): return False return (self.ttype == other.ttype and self.value == other.value) def __ne__(self, other): if not isinstance(other, Token): return True return (self.ttype != other.ttype or self.value != other.value) def __str__(self): return '%d "%s"' % (self.ttype, self.value) def unescape(self): if not self.has_escape: return self unescaped = '' l = len(self.value) i = 0 while i < l: c = self.value[i] i += 1 if c == '\\': if i >= l: raise dns.exception.UnexpectedEnd c = self.value[i] i += 1 if c.isdigit(): if i >= l: raise dns.exception.UnexpectedEnd c2 = self.value[i] i += 1 if i >= l: raise dns.exception.UnexpectedEnd c3 = self.value[i] i += 1 if not (c2.isdigit() and c3.isdigit()): raise dns.exception.SyntaxError c = chr(int(c) * 100 + int(c2) * 10 + int(c3)) unescaped += c return Token(self.ttype, unescaped) # compatibility for old-style tuple tokens def __len__(self): return 2 def __iter__(self): return iter((self.ttype, self.value)) def __getitem__(self, i): if i == 0: return self.ttype elif i == 1: return self.value else: raise IndexError class Tokenizer(object): """A DNS master file format tokenizer. A token is a (type, value) tuple, where I{type} is an int, and I{value} is a string. The valid types are EOF, EOL, WHITESPACE, IDENTIFIER, QUOTED_STRING, COMMENT, and DELIMITER. @ivar file: The file to tokenize @type file: file @ivar ungotten_char: The most recently ungotten character, or None. @type ungotten_char: string @ivar ungotten_token: The most recently ungotten token, or None. @type ungotten_token: (int, string) token tuple @ivar multiline: The current multiline level. This value is increased by one every time a '(' delimiter is read, and decreased by one every time a ')' delimiter is read. @type multiline: int @ivar quoting: This variable is true if the tokenizer is currently reading a quoted string. @type quoting: bool @ivar eof: This variable is true if the tokenizer has encountered EOF. @type eof: bool @ivar delimiters: The current delimiter dictionary. @type delimiters: dict @ivar line_number: The current line number @type line_number: int @ivar filename: A filename that will be returned by the L{where} method. @type filename: string """ def __init__(self, f=sys.stdin, filename=None): """Initialize a tokenizer instance. @param f: The file to tokenize. The default is sys.stdin. This parameter may also be a string, in which case the tokenizer will take its input from the contents of the string. @type f: file or string @param filename: the name of the filename that the L{where} method will return. @type filename: string """ if isinstance(f, text_type): f = StringIO(f) if filename is None: filename = '' elif isinstance(f, binary_type): f = StringIO(f.decode()) if filename is None: filename = '' else: if filename is None: if f is sys.stdin: filename = '' else: filename = '' self.file = f self.ungotten_char = None self.ungotten_token = None self.multiline = 0 self.quoting = False self.eof = False self.delimiters = _DELIMITERS self.line_number = 1 self.filename = filename def _get_char(self): """Read a character from input. @rtype: string """ if self.ungotten_char is None: if self.eof: c = '' else: c = self.file.read(1) if c == '': self.eof = True elif c == '\n': self.line_number += 1 else: c = self.ungotten_char self.ungotten_char = None return c def where(self): """Return the current location in the input. @rtype: (string, int) tuple. The first item is the filename of the input, the second is the current line number. """ return (self.filename, self.line_number) def _unget_char(self, c): """Unget a character. The unget buffer for characters is only one character large; it is an error to try to unget a character when the unget buffer is not empty. @param c: the character to unget @type c: string @raises UngetBufferFull: there is already an ungotten char """ if self.ungotten_char is not None: raise UngetBufferFull self.ungotten_char = c def skip_whitespace(self): """Consume input until a non-whitespace character is encountered. The non-whitespace character is then ungotten, and the number of whitespace characters consumed is returned. If the tokenizer is in multiline mode, then newlines are whitespace. @rtype: int """ skipped = 0 while True: c = self._get_char() if c != ' ' and c != '\t': if (c != '\n') or not self.multiline: self._unget_char(c) return skipped skipped += 1 def get(self, want_leading=False, want_comment=False): """Get the next token. @param want_leading: If True, return a WHITESPACE token if the first character read is whitespace. The default is False. @type want_leading: bool @param want_comment: If True, return a COMMENT token if the first token read is a comment. The default is False. @type want_comment: bool @rtype: Token object @raises dns.exception.UnexpectedEnd: input ended prematurely @raises dns.exception.SyntaxError: input was badly formed """ if self.ungotten_token is not None: token = self.ungotten_token self.ungotten_token = None if token.is_whitespace(): if want_leading: return token elif token.is_comment(): if want_comment: return token else: return token skipped = self.skip_whitespace() if want_leading and skipped > 0: return Token(WHITESPACE, ' ') token = '' ttype = IDENTIFIER has_escape = False while True: c = self._get_char() if c == '' or c in self.delimiters: if c == '' and self.quoting: raise dns.exception.UnexpectedEnd if token == '' and ttype != QUOTED_STRING: if c == '(': self.multiline += 1 self.skip_whitespace() continue elif c == ')': if self.multiline <= 0: raise dns.exception.SyntaxError self.multiline -= 1 self.skip_whitespace() continue elif c == '"': if not self.quoting: self.quoting = True self.delimiters = _QUOTING_DELIMITERS ttype = QUOTED_STRING continue else: self.quoting = False self.delimiters = _DELIMITERS self.skip_whitespace() continue elif c == '\n': return Token(EOL, '\n') elif c == ';': while 1: c = self._get_char() if c == '\n' or c == '': break token += c if want_comment: self._unget_char(c) return Token(COMMENT, token) elif c == '': if self.multiline: raise dns.exception.SyntaxError( 'unbalanced parentheses') return Token(EOF) elif self.multiline: self.skip_whitespace() token = '' continue else: return Token(EOL, '\n') else: # This code exists in case we ever want a # delimiter to be returned. It never produces # a token currently. token = c ttype = DELIMITER else: self._unget_char(c) break elif self.quoting: if c == '\\': c = self._get_char() if c == '': raise dns.exception.UnexpectedEnd if c.isdigit(): c2 = self._get_char() if c2 == '': raise dns.exception.UnexpectedEnd c3 = self._get_char() if c == '': raise dns.exception.UnexpectedEnd if not (c2.isdigit() and c3.isdigit()): raise dns.exception.SyntaxError c = chr(int(c) * 100 + int(c2) * 10 + int(c3)) elif c == '\n': raise dns.exception.SyntaxError('newline in quoted string') elif c == '\\': # # It's an escape. Put it and the next character into # the token; it will be checked later for goodness. # token += c has_escape = True c = self._get_char() if c == '' or c == '\n': raise dns.exception.UnexpectedEnd token += c if token == '' and ttype != QUOTED_STRING: if self.multiline: raise dns.exception.SyntaxError('unbalanced parentheses') ttype = EOF return Token(ttype, token, has_escape) def unget(self, token): """Unget a token. The unget buffer for tokens is only one token large; it is an error to try to unget a token when the unget buffer is not empty. @param token: the token to unget @type token: Token object @raises UngetBufferFull: there is already an ungotten token """ if self.ungotten_token is not None: raise UngetBufferFull self.ungotten_token = token def next(self): """Return the next item in an iteration. @rtype: (int, string) """ token = self.get() if token.is_eof(): raise StopIteration return token __next__ = next def __iter__(self): return self # Helpers def get_int(self): """Read the next token and interpret it as an integer. @raises dns.exception.SyntaxError: @rtype: int """ token = self.get().unescape() if not token.is_identifier(): raise dns.exception.SyntaxError('expecting an identifier') if not token.value.isdigit(): raise dns.exception.SyntaxError('expecting an integer') return int(token.value) def get_uint8(self): """Read the next token and interpret it as an 8-bit unsigned integer. @raises dns.exception.SyntaxError: @rtype: int """ value = self.get_int() if value < 0 or value > 255: raise dns.exception.SyntaxError( '%d is not an unsigned 8-bit integer' % value) return value def get_uint16(self): """Read the next token and interpret it as a 16-bit unsigned integer. @raises dns.exception.SyntaxError: @rtype: int """ value = self.get_int() if value < 0 or value > 65535: raise dns.exception.SyntaxError( '%d is not an unsigned 16-bit integer' % value) return value def get_uint32(self): """Read the next token and interpret it as a 32-bit unsigned integer. @raises dns.exception.SyntaxError: @rtype: int """ token = self.get().unescape() if not token.is_identifier(): raise dns.exception.SyntaxError('expecting an identifier') if not token.value.isdigit(): raise dns.exception.SyntaxError('expecting an integer') value = long(token.value) if value < 0 or value > long(4294967296): raise dns.exception.SyntaxError( '%d is not an unsigned 32-bit integer' % value) return value def get_string(self, origin=None): """Read the next token and interpret it as a string. @raises dns.exception.SyntaxError: @rtype: string """ token = self.get().unescape() if not (token.is_identifier() or token.is_quoted_string()): raise dns.exception.SyntaxError('expecting a string') return token.value def get_identifier(self, origin=None): """Read the next token and raise an exception if it is not an identifier. @raises dns.exception.SyntaxError: @rtype: string """ token = self.get().unescape() if not token.is_identifier(): raise dns.exception.SyntaxError('expecting an identifier') return token.value def get_name(self, origin=None): """Read the next token and interpret it as a DNS name. @raises dns.exception.SyntaxError: @rtype: dns.name.Name object""" token = self.get() if not token.is_identifier(): raise dns.exception.SyntaxError('expecting an identifier') return dns.name.from_text(token.value, origin) def get_eol(self): """Read the next token and raise an exception if it isn't EOL or EOF. @raises dns.exception.SyntaxError: @rtype: string """ token = self.get() if not token.is_eol_or_eof(): raise dns.exception.SyntaxError( 'expected EOL or EOF, got %d "%s"' % (token.ttype, token.value)) return token.value def get_ttl(self): token = self.get().unescape() if not token.is_identifier(): raise dns.exception.SyntaxError('expecting an identifier') return dns.ttl.from_text(token.value) dnspython-1.15.0/dns/tsig.py0000644000076500000240000001704612770261242016344 0ustar halleystaff00000000000000# Copyright (C) 2001-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. """DNS TSIG support.""" import hmac import struct import dns.exception import dns.hash import dns.rdataclass import dns.name from ._compat import long, string_types, text_type class BadTime(dns.exception.DNSException): """The current time is not within the TSIG's validity time.""" class BadSignature(dns.exception.DNSException): """The TSIG signature fails to verify.""" class PeerError(dns.exception.DNSException): """Base class for all TSIG errors generated by the remote peer""" class PeerBadKey(PeerError): """The peer didn't know the key we used""" class PeerBadSignature(PeerError): """The peer didn't like the signature we sent""" class PeerBadTime(PeerError): """The peer didn't like the time we sent""" class PeerBadTruncation(PeerError): """The peer didn't like amount of truncation in the TSIG we sent""" # TSIG Algorithms HMAC_MD5 = dns.name.from_text("HMAC-MD5.SIG-ALG.REG.INT") HMAC_SHA1 = dns.name.from_text("hmac-sha1") HMAC_SHA224 = dns.name.from_text("hmac-sha224") HMAC_SHA256 = dns.name.from_text("hmac-sha256") HMAC_SHA384 = dns.name.from_text("hmac-sha384") HMAC_SHA512 = dns.name.from_text("hmac-sha512") _hashes = { HMAC_SHA224: 'SHA224', HMAC_SHA256: 'SHA256', HMAC_SHA384: 'SHA384', HMAC_SHA512: 'SHA512', HMAC_SHA1: 'SHA1', HMAC_MD5: 'MD5', } default_algorithm = HMAC_MD5 BADSIG = 16 BADKEY = 17 BADTIME = 18 BADTRUNC = 22 def sign(wire, keyname, secret, time, fudge, original_id, error, other_data, request_mac, ctx=None, multi=False, first=True, algorithm=default_algorithm): """Return a (tsig_rdata, mac, ctx) tuple containing the HMAC TSIG rdata for the input parameters, the HMAC MAC calculated by applying the TSIG signature algorithm, and the TSIG digest context. @rtype: (string, string, hmac.HMAC object) @raises ValueError: I{other_data} is too long @raises NotImplementedError: I{algorithm} is not supported """ if isinstance(other_data, text_type): other_data = other_data.encode() (algorithm_name, digestmod) = get_algorithm(algorithm) if first: ctx = hmac.new(secret, digestmod=digestmod) ml = len(request_mac) if ml > 0: ctx.update(struct.pack('!H', ml)) ctx.update(request_mac) id = struct.pack('!H', original_id) ctx.update(id) ctx.update(wire[2:]) if first: ctx.update(keyname.to_digestable()) ctx.update(struct.pack('!H', dns.rdataclass.ANY)) ctx.update(struct.pack('!I', 0)) long_time = time + long(0) upper_time = (long_time >> 32) & long(0xffff) lower_time = long_time & long(0xffffffff) time_mac = struct.pack('!HIH', upper_time, lower_time, fudge) pre_mac = algorithm_name + time_mac ol = len(other_data) if ol > 65535: raise ValueError('TSIG Other Data is > 65535 bytes') post_mac = struct.pack('!HH', error, ol) + other_data if first: ctx.update(pre_mac) ctx.update(post_mac) else: ctx.update(time_mac) mac = ctx.digest() mpack = struct.pack('!H', len(mac)) tsig_rdata = pre_mac + mpack + mac + id + post_mac if multi: ctx = hmac.new(secret, digestmod=digestmod) ml = len(mac) ctx.update(struct.pack('!H', ml)) ctx.update(mac) else: ctx = None return (tsig_rdata, mac, ctx) def hmac_md5(wire, keyname, secret, time, fudge, original_id, error, other_data, request_mac, ctx=None, multi=False, first=True, algorithm=default_algorithm): return sign(wire, keyname, secret, time, fudge, original_id, error, other_data, request_mac, ctx, multi, first, algorithm) def validate(wire, keyname, secret, now, request_mac, tsig_start, tsig_rdata, tsig_rdlen, ctx=None, multi=False, first=True): """Validate the specified TSIG rdata against the other input parameters. @raises FormError: The TSIG is badly formed. @raises BadTime: There is too much time skew between the client and the server. @raises BadSignature: The TSIG signature did not validate @rtype: hmac.HMAC object""" (adcount,) = struct.unpack("!H", wire[10:12]) if adcount == 0: raise dns.exception.FormError adcount -= 1 new_wire = wire[0:10] + struct.pack("!H", adcount) + wire[12:tsig_start] current = tsig_rdata (aname, used) = dns.name.from_wire(wire, current) current = current + used (upper_time, lower_time, fudge, mac_size) = \ struct.unpack("!HIHH", wire[current:current + 10]) time = ((upper_time + long(0)) << 32) + (lower_time + long(0)) current += 10 mac = wire[current:current + mac_size] current += mac_size (original_id, error, other_size) = \ struct.unpack("!HHH", wire[current:current + 6]) current += 6 other_data = wire[current:current + other_size] current += other_size if current != tsig_rdata + tsig_rdlen: raise dns.exception.FormError if error != 0: if error == BADSIG: raise PeerBadSignature elif error == BADKEY: raise PeerBadKey elif error == BADTIME: raise PeerBadTime elif error == BADTRUNC: raise PeerBadTruncation else: raise PeerError('unknown TSIG error code %d' % error) time_low = time - fudge time_high = time + fudge if now < time_low or now > time_high: raise BadTime (junk, our_mac, ctx) = sign(new_wire, keyname, secret, time, fudge, original_id, error, other_data, request_mac, ctx, multi, first, aname) if our_mac != mac: raise BadSignature return ctx def get_algorithm(algorithm): """Returns the wire format string and the hash module to use for the specified TSIG algorithm @rtype: (string, hash constructor) @raises NotImplementedError: I{algorithm} is not supported """ if isinstance(algorithm, string_types): algorithm = dns.name.from_text(algorithm) try: return (algorithm.to_digestable(), dns.hash.hashes[_hashes[algorithm]]) except KeyError: raise NotImplementedError("TSIG algorithm " + str(algorithm) + " is not supported") def get_algorithm_and_mac(wire, tsig_rdata, tsig_rdlen): """Return the tsig algorithm for the specified tsig_rdata @raises FormError: The TSIG is badly formed. """ current = tsig_rdata (aname, used) = dns.name.from_wire(wire, current) current = current + used (upper_time, lower_time, fudge, mac_size) = \ struct.unpack("!HIHH", wire[current:current + 10]) current += 10 mac = wire[current:current + mac_size] current += mac_size if current > tsig_rdata + tsig_rdlen: raise dns.exception.FormError return (aname, mac) dnspython-1.15.0/dns/tsigkeyring.py0000644000076500000240000000331112770261242017723 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. """A place to store TSIG keys.""" from dns._compat import maybe_decode, maybe_encode import base64 import dns.name def from_text(textring): """Convert a dictionary containing (textual DNS name, base64 secret) pairs into a binary keyring which has (dns.name.Name, binary secret) pairs. @rtype: dict""" keyring = {} for keytext in textring: keyname = dns.name.from_text(keytext) secret = base64.decodestring(maybe_encode(textring[keytext])) keyring[keyname] = secret return keyring def to_text(keyring): """Convert a dictionary containing (dns.name.Name, binary secret) pairs into a text keyring which has (textual DNS name, base64 secret) pairs. @rtype: dict""" textring = {} for keyname in keyring: keytext = maybe_decode(keyname.to_text()) secret = maybe_decode(base64.encodestring(keyring[keyname])) textring[keytext] = secret return textring dnspython-1.15.0/dns/ttl.py0000644000076500000240000000435312770261242016176 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. """DNS TTL conversion.""" import dns.exception from ._compat import long class BadTTL(dns.exception.SyntaxError): """DNS TTL value is not well-formed.""" def from_text(text): """Convert the text form of a TTL to an integer. The BIND 8 units syntax for TTLs (e.g. '1w6d4h3m10s') is supported. @param text: the textual TTL @type text: string @raises dns.ttl.BadTTL: the TTL is not well-formed @rtype: int """ if text.isdigit(): total = long(text) else: if not text[0].isdigit(): raise BadTTL total = long(0) current = long(0) for c in text: if c.isdigit(): current *= 10 current += long(c) else: c = c.lower() if c == 'w': total += current * long(604800) elif c == 'd': total += current * long(86400) elif c == 'h': total += current * long(3600) elif c == 'm': total += current * long(60) elif c == 's': total += current else: raise BadTTL("unknown unit '%s'" % c) current = 0 if not current == 0: raise BadTTL("trailing integer") if total < long(0) or total > long(2147483647): raise BadTTL("TTL should be between 0 and 2^31 - 1 (inclusive)") return total dnspython-1.15.0/dns/update.py0000644000076500000240000002343412770261242016656 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. """DNS Dynamic Update Support""" import dns.message import dns.name import dns.opcode import dns.rdata import dns.rdataclass import dns.rdataset import dns.tsig from ._compat import string_types class Update(dns.message.Message): def __init__(self, zone, rdclass=dns.rdataclass.IN, keyring=None, keyname=None, keyalgorithm=dns.tsig.default_algorithm): """Initialize a new DNS Update object. @param zone: The zone which is being updated. @type zone: A dns.name.Name or string @param rdclass: The class of the zone; defaults to dns.rdataclass.IN. @type rdclass: An int designating the class, or a string whose value is the name of a class. @param keyring: The TSIG keyring to use; defaults to None. @type keyring: dict @param keyname: The name of the TSIG key to use; defaults to None. The key must be defined in the keyring. If a keyring is specified but a keyname is not, then the key used will be the first key in the keyring. Note that the order of keys in a dictionary is not defined, so applications should supply a keyname when a keyring is used, unless they know the keyring contains only one key. @type keyname: dns.name.Name or string @param keyalgorithm: The TSIG algorithm to use; defaults to dns.tsig.default_algorithm. Constants for TSIG algorithms are defined in dns.tsig, and the currently implemented algorithms are HMAC_MD5, HMAC_SHA1, HMAC_SHA224, HMAC_SHA256, HMAC_SHA384, and HMAC_SHA512. @type keyalgorithm: string """ super(Update, self).__init__() self.flags |= dns.opcode.to_flags(dns.opcode.UPDATE) if isinstance(zone, string_types): zone = dns.name.from_text(zone) self.origin = zone if isinstance(rdclass, string_types): rdclass = dns.rdataclass.from_text(rdclass) self.zone_rdclass = rdclass self.find_rrset(self.question, self.origin, rdclass, dns.rdatatype.SOA, create=True, force_unique=True) if keyring is not None: self.use_tsig(keyring, keyname, algorithm=keyalgorithm) def _add_rr(self, name, ttl, rd, deleting=None, section=None): """Add a single RR to the update section.""" if section is None: section = self.authority covers = rd.covers() rrset = self.find_rrset(section, name, self.zone_rdclass, rd.rdtype, covers, deleting, True, True) rrset.add(rd, ttl) def _add(self, replace, section, name, *args): """Add records. The first argument is the replace mode. If false, RRs are added to an existing RRset; if true, the RRset is replaced with the specified contents. The second argument is the section to add to. The third argument is always a name. The other arguments can be: - rdataset... - ttl, rdata... - ttl, rdtype, string...""" if isinstance(name, string_types): name = dns.name.from_text(name, None) if isinstance(args[0], dns.rdataset.Rdataset): for rds in args: if replace: self.delete(name, rds.rdtype) for rd in rds: self._add_rr(name, rds.ttl, rd, section=section) else: args = list(args) ttl = int(args.pop(0)) if isinstance(args[0], dns.rdata.Rdata): if replace: self.delete(name, args[0].rdtype) for rd in args: self._add_rr(name, ttl, rd, section=section) else: rdtype = args.pop(0) if isinstance(rdtype, string_types): rdtype = dns.rdatatype.from_text(rdtype) if replace: self.delete(name, rdtype) for s in args: rd = dns.rdata.from_text(self.zone_rdclass, rdtype, s, self.origin) self._add_rr(name, ttl, rd, section=section) def add(self, name, *args): """Add records. The first argument is always a name. The other arguments can be: - rdataset... - ttl, rdata... - ttl, rdtype, string...""" self._add(False, self.authority, name, *args) def delete(self, name, *args): """Delete records. The first argument is always a name. The other arguments can be: - I{nothing} - rdataset... - rdata... - rdtype, [string...]""" if isinstance(name, string_types): name = dns.name.from_text(name, None) if len(args) == 0: self.find_rrset(self.authority, name, dns.rdataclass.ANY, dns.rdatatype.ANY, dns.rdatatype.NONE, dns.rdatatype.ANY, True, True) elif isinstance(args[0], dns.rdataset.Rdataset): for rds in args: for rd in rds: self._add_rr(name, 0, rd, dns.rdataclass.NONE) else: args = list(args) if isinstance(args[0], dns.rdata.Rdata): for rd in args: self._add_rr(name, 0, rd, dns.rdataclass.NONE) else: rdtype = args.pop(0) if isinstance(rdtype, string_types): rdtype = dns.rdatatype.from_text(rdtype) if len(args) == 0: self.find_rrset(self.authority, name, self.zone_rdclass, rdtype, dns.rdatatype.NONE, dns.rdataclass.ANY, True, True) else: for s in args: rd = dns.rdata.from_text(self.zone_rdclass, rdtype, s, self.origin) self._add_rr(name, 0, rd, dns.rdataclass.NONE) def replace(self, name, *args): """Replace records. The first argument is always a name. The other arguments can be: - rdataset... - ttl, rdata... - ttl, rdtype, string... Note that if you want to replace the entire node, you should do a delete of the name followed by one or more calls to add.""" self._add(True, self.authority, name, *args) def present(self, name, *args): """Require that an owner name (and optionally an rdata type, or specific rdataset) exists as a prerequisite to the execution of the update. The first argument is always a name. The other arguments can be: - rdataset... - rdata... - rdtype, string...""" if isinstance(name, string_types): name = dns.name.from_text(name, None) if len(args) == 0: self.find_rrset(self.answer, name, dns.rdataclass.ANY, dns.rdatatype.ANY, dns.rdatatype.NONE, None, True, True) elif isinstance(args[0], dns.rdataset.Rdataset) or \ isinstance(args[0], dns.rdata.Rdata) or \ len(args) > 1: if not isinstance(args[0], dns.rdataset.Rdataset): # Add a 0 TTL args = list(args) args.insert(0, 0) self._add(False, self.answer, name, *args) else: rdtype = args[0] if isinstance(rdtype, string_types): rdtype = dns.rdatatype.from_text(rdtype) self.find_rrset(self.answer, name, dns.rdataclass.ANY, rdtype, dns.rdatatype.NONE, None, True, True) def absent(self, name, rdtype=None): """Require that an owner name (and optionally an rdata type) does not exist as a prerequisite to the execution of the update.""" if isinstance(name, string_types): name = dns.name.from_text(name, None) if rdtype is None: self.find_rrset(self.answer, name, dns.rdataclass.NONE, dns.rdatatype.ANY, dns.rdatatype.NONE, None, True, True) else: if isinstance(rdtype, string_types): rdtype = dns.rdatatype.from_text(rdtype) self.find_rrset(self.answer, name, dns.rdataclass.NONE, rdtype, dns.rdatatype.NONE, None, True, True) def to_wire(self, origin=None, max_size=65535): """Return a string containing the update in DNS compressed wire format. @rtype: string""" if origin is None: origin = self.origin return super(Update, self).to_wire(origin, max_size) dnspython-1.15.0/dns/version.py0000644000076500000240000000235212770261242017055 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. """dnspython release version information.""" MAJOR = 1 MINOR = 15 MICRO = 0 RELEASELEVEL = 0x0f SERIAL = 0 if RELEASELEVEL == 0x0f: version = '%d.%d.%d' % (MAJOR, MINOR, MICRO) elif RELEASELEVEL == 0x00: version = '%d.%d.%dx%d' % \ (MAJOR, MINOR, MICRO, SERIAL) else: version = '%d.%d.%d%x%d' % \ (MAJOR, MINOR, MICRO, RELEASELEVEL, SERIAL) hexversion = MAJOR << 24 | MINOR << 16 | MICRO << 8 | RELEASELEVEL << 4 | \ SERIAL dnspython-1.15.0/dns/wiredata.py0000644000076500000240000000722312770261242017172 0ustar halleystaff00000000000000# Copyright (C) 2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. """DNS Wire Data Helper""" import sys import dns.exception from ._compat import binary_type, string_types # Figure out what constant python passes for an unspecified slice bound. # It's supposed to be sys.maxint, yet on 64-bit windows sys.maxint is 2^31 - 1 # but Python uses 2^63 - 1 as the constant. Rather than making pointless # extra comparisons, duplicating code, or weakening WireData, we just figure # out what constant Python will use. class _SliceUnspecifiedBound(binary_type): def __getitem__(self, key): return key.stop if sys.version_info < (3,): def __getslice__(self, i, j): # pylint: disable=getslice-method return self.__getitem__(slice(i, j)) _unspecified_bound = _SliceUnspecifiedBound()[1:] class WireData(binary_type): # WireData is a string with stricter slicing def __getitem__(self, key): try: if isinstance(key, slice): # make sure we are not going outside of valid ranges, # do stricter control of boundaries than python does # by default start = key.start stop = key.stop if sys.version_info < (3,): if stop == _unspecified_bound: # handle the case where the right bound is unspecified stop = len(self) if start < 0 or stop < 0: raise dns.exception.FormError # If it's not an empty slice, access left and right bounds # to make sure they're valid if start != stop: super(WireData, self).__getitem__(start) super(WireData, self).__getitem__(stop - 1) else: for index in (start, stop): if index is None: continue elif abs(index) > len(self): raise dns.exception.FormError return WireData(super(WireData, self).__getitem__( slice(start, stop))) return bytearray(self.unwrap())[key] except IndexError: raise dns.exception.FormError if sys.version_info < (3,): def __getslice__(self, i, j): # pylint: disable=getslice-method return self.__getitem__(slice(i, j)) def __iter__(self): i = 0 while 1: try: yield self[i] i += 1 except dns.exception.FormError: raise StopIteration def unwrap(self): return binary_type(self) def maybe_wrap(wire): if isinstance(wire, WireData): return wire elif isinstance(wire, binary_type): return WireData(wire) elif isinstance(wire, string_types): return WireData(wire.encode()) raise ValueError("unhandled type %s" % type(wire)) dnspython-1.15.0/dns/zone.py0000644000076500000240000011613212773312723016351 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. """DNS Zones.""" from __future__ import generators import sys import re import os from io import BytesIO import dns.exception import dns.name import dns.node import dns.rdataclass import dns.rdatatype import dns.rdata import dns.rrset import dns.tokenizer import dns.ttl import dns.grange from ._compat import string_types, text_type _py3 = sys.version_info > (3,) class BadZone(dns.exception.DNSException): """The DNS zone is malformed.""" class NoSOA(BadZone): """The DNS zone has no SOA RR at its origin.""" class NoNS(BadZone): """The DNS zone has no NS RRset at its origin.""" class UnknownOrigin(BadZone): """The DNS zone's origin is unknown.""" class Zone(object): """A DNS zone. A Zone is a mapping from names to nodes. The zone object may be treated like a Python dictionary, e.g. zone[name] will retrieve the node associated with that name. The I{name} may be a dns.name.Name object, or it may be a string. In the either case, if the name is relative it is treated as relative to the origin of the zone. @ivar rdclass: The zone's rdata class; the default is class IN. @type rdclass: int @ivar origin: The origin of the zone. @type origin: dns.name.Name object @ivar nodes: A dictionary mapping the names of nodes in the zone to the nodes themselves. @type nodes: dict @ivar relativize: should names in the zone be relativized? @type relativize: bool @cvar node_factory: the factory used to create a new node @type node_factory: class or callable """ node_factory = dns.node.Node __slots__ = ['rdclass', 'origin', 'nodes', 'relativize'] def __init__(self, origin, rdclass=dns.rdataclass.IN, relativize=True): """Initialize a zone object. @param origin: The origin of the zone. @type origin: dns.name.Name object @param rdclass: The zone's rdata class; the default is class IN. @type rdclass: int""" if origin is not None: if isinstance(origin, string_types): origin = dns.name.from_text(origin) elif not isinstance(origin, dns.name.Name): raise ValueError("origin parameter must be convertible to a " "DNS name") if not origin.is_absolute(): raise ValueError("origin parameter must be an absolute name") self.origin = origin self.rdclass = rdclass self.nodes = {} self.relativize = relativize def __eq__(self, other): """Two zones are equal if they have the same origin, class, and nodes. @rtype: bool """ if not isinstance(other, Zone): return False if self.rdclass != other.rdclass or \ self.origin != other.origin or \ self.nodes != other.nodes: return False return True def __ne__(self, other): """Are two zones not equal? @rtype: bool """ return not self.__eq__(other) def _validate_name(self, name): if isinstance(name, string_types): name = dns.name.from_text(name, None) elif not isinstance(name, dns.name.Name): raise KeyError("name parameter must be convertible to a DNS name") if name.is_absolute(): if not name.is_subdomain(self.origin): raise KeyError( "name parameter must be a subdomain of the zone origin") if self.relativize: name = name.relativize(self.origin) return name def __getitem__(self, key): key = self._validate_name(key) return self.nodes[key] def __setitem__(self, key, value): key = self._validate_name(key) self.nodes[key] = value def __delitem__(self, key): key = self._validate_name(key) del self.nodes[key] def __iter__(self): return self.nodes.__iter__() def iterkeys(self): if _py3: return self.nodes.keys() else: return self.nodes.iterkeys() # pylint: disable=dict-iter-method def keys(self): return self.nodes.keys() def itervalues(self): if _py3: return self.nodes.values() else: return self.nodes.itervalues() # pylint: disable=dict-iter-method def values(self): return self.nodes.values() def items(self): return self.nodes.items() iteritems = items def get(self, key): key = self._validate_name(key) return self.nodes.get(key) def __contains__(self, other): return other in self.nodes def find_node(self, name, create=False): """Find a node in the zone, possibly creating it. @param name: the name of the node to find @type name: dns.name.Name object or string @param create: should the node be created if it doesn't exist? @type create: bool @raises KeyError: the name is not known and create was not specified. @rtype: dns.node.Node object """ name = self._validate_name(name) node = self.nodes.get(name) if node is None: if not create: raise KeyError node = self.node_factory() self.nodes[name] = node return node def get_node(self, name, create=False): """Get a node in the zone, possibly creating it. This method is like L{find_node}, except it returns None instead of raising an exception if the node does not exist and creation has not been requested. @param name: the name of the node to find @type name: dns.name.Name object or string @param create: should the node be created if it doesn't exist? @type create: bool @rtype: dns.node.Node object or None """ try: node = self.find_node(name, create) except KeyError: node = None return node def delete_node(self, name): """Delete the specified node if it exists. It is not an error if the node does not exist. """ name = self._validate_name(name) if name in self.nodes: del self.nodes[name] def find_rdataset(self, name, rdtype, covers=dns.rdatatype.NONE, create=False): """Look for rdata with the specified name and type in the zone, and return an rdataset encapsulating it. The I{name}, I{rdtype}, and I{covers} parameters may be strings, in which case they will be converted to their proper type. The rdataset returned is not a copy; changes to it will change the zone. KeyError is raised if the name or type are not found. Use L{get_rdataset} if you want to have None returned instead. @param name: the owner name to look for @type name: DNS.name.Name object or string @param rdtype: the rdata type desired @type rdtype: int or string @param covers: the covered type (defaults to None) @type covers: int or string @param create: should the node and rdataset be created if they do not exist? @type create: bool @raises KeyError: the node or rdata could not be found @rtype: dns.rrset.RRset object """ name = self._validate_name(name) if isinstance(rdtype, string_types): rdtype = dns.rdatatype.from_text(rdtype) if isinstance(covers, string_types): covers = dns.rdatatype.from_text(covers) node = self.find_node(name, create) return node.find_rdataset(self.rdclass, rdtype, covers, create) def get_rdataset(self, name, rdtype, covers=dns.rdatatype.NONE, create=False): """Look for rdata with the specified name and type in the zone, and return an rdataset encapsulating it. The I{name}, I{rdtype}, and I{covers} parameters may be strings, in which case they will be converted to their proper type. The rdataset returned is not a copy; changes to it will change the zone. None is returned if the name or type are not found. Use L{find_rdataset} if you want to have KeyError raised instead. @param name: the owner name to look for @type name: DNS.name.Name object or string @param rdtype: the rdata type desired @type rdtype: int or string @param covers: the covered type (defaults to None) @type covers: int or string @param create: should the node and rdataset be created if they do not exist? @type create: bool @rtype: dns.rrset.RRset object """ try: rdataset = self.find_rdataset(name, rdtype, covers, create) except KeyError: rdataset = None return rdataset def delete_rdataset(self, name, rdtype, covers=dns.rdatatype.NONE): """Delete the rdataset matching I{rdtype} and I{covers}, if it exists at the node specified by I{name}. The I{name}, I{rdtype}, and I{covers} parameters may be strings, in which case they will be converted to their proper type. It is not an error if the node does not exist, or if there is no matching rdataset at the node. If the node has no rdatasets after the deletion, it will itself be deleted. @param name: the owner name to look for @type name: DNS.name.Name object or string @param rdtype: the rdata type desired @type rdtype: int or string @param covers: the covered type (defaults to None) @type covers: int or string """ name = self._validate_name(name) if isinstance(rdtype, string_types): rdtype = dns.rdatatype.from_text(rdtype) if isinstance(covers, string_types): covers = dns.rdatatype.from_text(covers) node = self.get_node(name) if node is not None: node.delete_rdataset(self.rdclass, rdtype, covers) if len(node) == 0: self.delete_node(name) def replace_rdataset(self, name, replacement): """Replace an rdataset at name. It is not an error if there is no rdataset matching I{replacement}. Ownership of the I{replacement} object is transferred to the zone; in other words, this method does not store a copy of I{replacement} at the node, it stores I{replacement} itself. If the I{name} node does not exist, it is created. @param name: the owner name @type name: DNS.name.Name object or string @param replacement: the replacement rdataset @type replacement: dns.rdataset.Rdataset """ if replacement.rdclass != self.rdclass: raise ValueError('replacement.rdclass != zone.rdclass') node = self.find_node(name, True) node.replace_rdataset(replacement) def find_rrset(self, name, rdtype, covers=dns.rdatatype.NONE): """Look for rdata with the specified name and type in the zone, and return an RRset encapsulating it. The I{name}, I{rdtype}, and I{covers} parameters may be strings, in which case they will be converted to their proper type. This method is less efficient than the similar L{find_rdataset} because it creates an RRset instead of returning the matching rdataset. It may be more convenient for some uses since it returns an object which binds the owner name to the rdata. This method may not be used to create new nodes or rdatasets; use L{find_rdataset} instead. KeyError is raised if the name or type are not found. Use L{get_rrset} if you want to have None returned instead. @param name: the owner name to look for @type name: DNS.name.Name object or string @param rdtype: the rdata type desired @type rdtype: int or string @param covers: the covered type (defaults to None) @type covers: int or string @raises KeyError: the node or rdata could not be found @rtype: dns.rrset.RRset object """ name = self._validate_name(name) if isinstance(rdtype, string_types): rdtype = dns.rdatatype.from_text(rdtype) if isinstance(covers, string_types): covers = dns.rdatatype.from_text(covers) rdataset = self.nodes[name].find_rdataset(self.rdclass, rdtype, covers) rrset = dns.rrset.RRset(name, self.rdclass, rdtype, covers) rrset.update(rdataset) return rrset def get_rrset(self, name, rdtype, covers=dns.rdatatype.NONE): """Look for rdata with the specified name and type in the zone, and return an RRset encapsulating it. The I{name}, I{rdtype}, and I{covers} parameters may be strings, in which case they will be converted to their proper type. This method is less efficient than the similar L{get_rdataset} because it creates an RRset instead of returning the matching rdataset. It may be more convenient for some uses since it returns an object which binds the owner name to the rdata. This method may not be used to create new nodes or rdatasets; use L{find_rdataset} instead. None is returned if the name or type are not found. Use L{find_rrset} if you want to have KeyError raised instead. @param name: the owner name to look for @type name: DNS.name.Name object or string @param rdtype: the rdata type desired @type rdtype: int or string @param covers: the covered type (defaults to None) @type covers: int or string @rtype: dns.rrset.RRset object """ try: rrset = self.find_rrset(name, rdtype, covers) except KeyError: rrset = None return rrset def iterate_rdatasets(self, rdtype=dns.rdatatype.ANY, covers=dns.rdatatype.NONE): """Return a generator which yields (name, rdataset) tuples for all rdatasets in the zone which have the specified I{rdtype} and I{covers}. If I{rdtype} is dns.rdatatype.ANY, the default, then all rdatasets will be matched. @param rdtype: int or string @type rdtype: int or string @param covers: the covered type (defaults to None) @type covers: int or string """ if isinstance(rdtype, string_types): rdtype = dns.rdatatype.from_text(rdtype) if isinstance(covers, string_types): covers = dns.rdatatype.from_text(covers) for (name, node) in self.iteritems(): for rds in node: if rdtype == dns.rdatatype.ANY or \ (rds.rdtype == rdtype and rds.covers == covers): yield (name, rds) def iterate_rdatas(self, rdtype=dns.rdatatype.ANY, covers=dns.rdatatype.NONE): """Return a generator which yields (name, ttl, rdata) tuples for all rdatas in the zone which have the specified I{rdtype} and I{covers}. If I{rdtype} is dns.rdatatype.ANY, the default, then all rdatas will be matched. @param rdtype: int or string @type rdtype: int or string @param covers: the covered type (defaults to None) @type covers: int or string """ if isinstance(rdtype, string_types): rdtype = dns.rdatatype.from_text(rdtype) if isinstance(covers, string_types): covers = dns.rdatatype.from_text(covers) for (name, node) in self.iteritems(): for rds in node: if rdtype == dns.rdatatype.ANY or \ (rds.rdtype == rdtype and rds.covers == covers): for rdata in rds: yield (name, rds.ttl, rdata) def to_file(self, f, sorted=True, relativize=True, nl=None): """Write a zone to a file. @param f: file or string. If I{f} is a string, it is treated as the name of a file to open. @param sorted: if True, the file will be written with the names sorted in DNSSEC order from least to greatest. Otherwise the names will be written in whatever order they happen to have in the zone's dictionary. @param relativize: if True, domain names in the output will be relativized to the zone's origin (if possible). @type relativize: bool @param nl: The end of line string. If not specified, the output will use the platform's native end-of-line marker (i.e. LF on POSIX, CRLF on Windows, CR on Macintosh). @type nl: string or None """ if isinstance(f, string_types): f = open(f, 'wb') want_close = True else: want_close = False # must be in this way, f.encoding may contain None, or even attribute # may not be there file_enc = getattr(f, 'encoding', None) if file_enc is None: file_enc = 'utf-8' if nl is None: nl_b = os.linesep.encode(file_enc) # binary mode, '\n' is not enough nl = u'\n' elif isinstance(nl, string_types): nl_b = nl.encode(file_enc) else: nl_b = nl nl = nl.decode() try: if sorted: names = list(self.keys()) names.sort() else: names = self.iterkeys() for n in names: l = self[n].to_text(n, origin=self.origin, relativize=relativize) if isinstance(l, text_type): l_b = l.encode(file_enc) else: l_b = l l = l.decode() try: f.write(l_b) f.write(nl_b) except TypeError: # textual mode f.write(l) f.write(nl) finally: if want_close: f.close() def to_text(self, sorted=True, relativize=True, nl=None): """Return a zone's text as though it were written to a file. @param sorted: if True, the file will be written with the names sorted in DNSSEC order from least to greatest. Otherwise the names will be written in whatever order they happen to have in the zone's dictionary. @param relativize: if True, domain names in the output will be relativized to the zone's origin (if possible). @type relativize: bool @param nl: The end of line string. If not specified, the output will use the platform's native end-of-line marker (i.e. LF on POSIX, CRLF on Windows, CR on Macintosh). @type nl: string or None """ temp_buffer = BytesIO() self.to_file(temp_buffer, sorted, relativize, nl) return_value = temp_buffer.getvalue() temp_buffer.close() return return_value def check_origin(self): """Do some simple checking of the zone's origin. @raises dns.zone.NoSOA: there is no SOA RR @raises dns.zone.NoNS: there is no NS RRset @raises KeyError: there is no origin node """ if self.relativize: name = dns.name.empty else: name = self.origin if self.get_rdataset(name, dns.rdatatype.SOA) is None: raise NoSOA if self.get_rdataset(name, dns.rdatatype.NS) is None: raise NoNS class _MasterReader(object): """Read a DNS master file @ivar tok: The tokenizer @type tok: dns.tokenizer.Tokenizer object @ivar ttl: The default TTL @type ttl: int @ivar last_name: The last name read @type last_name: dns.name.Name object @ivar current_origin: The current origin @type current_origin: dns.name.Name object @ivar relativize: should names in the zone be relativized? @type relativize: bool @ivar zone: the zone @type zone: dns.zone.Zone object @ivar saved_state: saved reader state (used when processing $INCLUDE) @type saved_state: list of (tokenizer, current_origin, last_name, file) tuples. @ivar current_file: the file object of the $INCLUDed file being parsed (None if no $INCLUDE is active). @ivar allow_include: is $INCLUDE allowed? @type allow_include: bool @ivar check_origin: should sanity checks of the origin node be done? The default is True. @type check_origin: bool """ def __init__(self, tok, origin, rdclass, relativize, zone_factory=Zone, allow_include=False, check_origin=True): if isinstance(origin, string_types): origin = dns.name.from_text(origin) self.tok = tok self.current_origin = origin self.relativize = relativize self.ttl = 0 self.last_name = self.current_origin self.zone = zone_factory(origin, rdclass, relativize=relativize) self.saved_state = [] self.current_file = None self.allow_include = allow_include self.check_origin = check_origin def _eat_line(self): while 1: token = self.tok.get() if token.is_eol_or_eof(): break def _rr_line(self): """Process one line from a DNS master file.""" # Name if self.current_origin is None: raise UnknownOrigin token = self.tok.get(want_leading=True) if not token.is_whitespace(): self.last_name = dns.name.from_text( token.value, self.current_origin) else: token = self.tok.get() if token.is_eol_or_eof(): # treat leading WS followed by EOL/EOF as if they were EOL/EOF. return self.tok.unget(token) name = self.last_name if not name.is_subdomain(self.zone.origin): self._eat_line() return if self.relativize: name = name.relativize(self.zone.origin) token = self.tok.get() if not token.is_identifier(): raise dns.exception.SyntaxError # TTL try: ttl = dns.ttl.from_text(token.value) token = self.tok.get() if not token.is_identifier(): raise dns.exception.SyntaxError except dns.ttl.BadTTL: ttl = self.ttl # Class try: rdclass = dns.rdataclass.from_text(token.value) token = self.tok.get() if not token.is_identifier(): raise dns.exception.SyntaxError except dns.exception.SyntaxError: raise dns.exception.SyntaxError except Exception: rdclass = self.zone.rdclass if rdclass != self.zone.rdclass: raise dns.exception.SyntaxError("RR class is not zone's class") # Type try: rdtype = dns.rdatatype.from_text(token.value) except: raise dns.exception.SyntaxError( "unknown rdatatype '%s'" % token.value) n = self.zone.nodes.get(name) if n is None: n = self.zone.node_factory() self.zone.nodes[name] = n try: rd = dns.rdata.from_text(rdclass, rdtype, self.tok, self.current_origin, False) except dns.exception.SyntaxError: # Catch and reraise. (ty, va) = sys.exc_info()[:2] raise va except: # All exceptions that occur in the processing of rdata # are treated as syntax errors. This is not strictly # correct, but it is correct almost all of the time. # We convert them to syntax errors so that we can emit # helpful filename:line info. (ty, va) = sys.exc_info()[:2] raise dns.exception.SyntaxError( "caught exception %s: %s" % (str(ty), str(va))) rd.choose_relativity(self.zone.origin, self.relativize) covers = rd.covers() rds = n.find_rdataset(rdclass, rdtype, covers, True) rds.add(rd, ttl) def _parse_modify(self, side): # Here we catch everything in '{' '}' in a group so we can replace it # with ''. is_generate1 = re.compile("^.*\$({(\+|-?)(\d+),(\d+),(.)}).*$") is_generate2 = re.compile("^.*\$({(\+|-?)(\d+)}).*$") is_generate3 = re.compile("^.*\$({(\+|-?)(\d+),(\d+)}).*$") # Sometimes there are modifiers in the hostname. These come after # the dollar sign. They are in the form: ${offset[,width[,base]]}. # Make names g1 = is_generate1.match(side) if g1: mod, sign, offset, width, base = g1.groups() if sign == '': sign = '+' g2 = is_generate2.match(side) if g2: mod, sign, offset = g2.groups() if sign == '': sign = '+' width = 0 base = 'd' g3 = is_generate3.match(side) if g3: mod, sign, offset, width = g1.groups() if sign == '': sign = '+' width = g1.groups()[2] base = 'd' if not (g1 or g2 or g3): mod = '' sign = '+' offset = 0 width = 0 base = 'd' if base != 'd': raise NotImplementedError() return mod, sign, offset, width, base def _generate_line(self): # range lhs [ttl] [class] type rhs [ comment ] """Process one line containing the GENERATE statement from a DNS master file.""" if self.current_origin is None: raise UnknownOrigin token = self.tok.get() # Range (required) try: start, stop, step = dns.grange.from_text(token.value) token = self.tok.get() if not token.is_identifier(): raise dns.exception.SyntaxError except: raise dns.exception.SyntaxError # lhs (required) try: lhs = token.value token = self.tok.get() if not token.is_identifier(): raise dns.exception.SyntaxError except: raise dns.exception.SyntaxError # TTL try: ttl = dns.ttl.from_text(token.value) token = self.tok.get() if not token.is_identifier(): raise dns.exception.SyntaxError except dns.ttl.BadTTL: ttl = self.ttl # Class try: rdclass = dns.rdataclass.from_text(token.value) token = self.tok.get() if not token.is_identifier(): raise dns.exception.SyntaxError except dns.exception.SyntaxError: raise dns.exception.SyntaxError except Exception: rdclass = self.zone.rdclass if rdclass != self.zone.rdclass: raise dns.exception.SyntaxError("RR class is not zone's class") # Type try: rdtype = dns.rdatatype.from_text(token.value) token = self.tok.get() if not token.is_identifier(): raise dns.exception.SyntaxError except Exception: raise dns.exception.SyntaxError("unknown rdatatype '%s'" % token.value) # lhs (required) try: rhs = token.value except: raise dns.exception.SyntaxError lmod, lsign, loffset, lwidth, lbase = self._parse_modify(lhs) rmod, rsign, roffset, rwidth, rbase = self._parse_modify(rhs) for i in range(start, stop + 1, step): # +1 because bind is inclusive and python is exclusive if lsign == u'+': lindex = i + int(loffset) elif lsign == u'-': lindex = i - int(loffset) if rsign == u'-': rindex = i - int(roffset) elif rsign == u'+': rindex = i + int(roffset) lzfindex = str(lindex).zfill(int(lwidth)) rzfindex = str(rindex).zfill(int(rwidth)) name = lhs.replace(u'$%s' % (lmod), lzfindex) rdata = rhs.replace(u'$%s' % (rmod), rzfindex) self.last_name = dns.name.from_text(name, self.current_origin) name = self.last_name if not name.is_subdomain(self.zone.origin): self._eat_line() return if self.relativize: name = name.relativize(self.zone.origin) n = self.zone.nodes.get(name) if n is None: n = self.zone.node_factory() self.zone.nodes[name] = n try: rd = dns.rdata.from_text(rdclass, rdtype, rdata, self.current_origin, False) except dns.exception.SyntaxError: # Catch and reraise. (ty, va) = sys.exc_info()[:2] raise va except: # All exceptions that occur in the processing of rdata # are treated as syntax errors. This is not strictly # correct, but it is correct almost all of the time. # We convert them to syntax errors so that we can emit # helpful filename:line info. (ty, va) = sys.exc_info()[:2] raise dns.exception.SyntaxError("caught exception %s: %s" % (str(ty), str(va))) rd.choose_relativity(self.zone.origin, self.relativize) covers = rd.covers() rds = n.find_rdataset(rdclass, rdtype, covers, True) rds.add(rd, ttl) def read(self): """Read a DNS master file and build a zone object. @raises dns.zone.NoSOA: No SOA RR was found at the zone origin @raises dns.zone.NoNS: No NS RRset was found at the zone origin """ try: while 1: token = self.tok.get(True, True) if token.is_eof(): if self.current_file is not None: self.current_file.close() if len(self.saved_state) > 0: (self.tok, self.current_origin, self.last_name, self.current_file, self.ttl) = self.saved_state.pop(-1) continue break elif token.is_eol(): continue elif token.is_comment(): self.tok.get_eol() continue elif token.value[0] == u'$': c = token.value.upper() if c == u'$TTL': token = self.tok.get() if not token.is_identifier(): raise dns.exception.SyntaxError("bad $TTL") self.ttl = dns.ttl.from_text(token.value) self.tok.get_eol() elif c == u'$ORIGIN': self.current_origin = self.tok.get_name() self.tok.get_eol() if self.zone.origin is None: self.zone.origin = self.current_origin elif c == u'$INCLUDE' and self.allow_include: token = self.tok.get() filename = token.value token = self.tok.get() if token.is_identifier(): new_origin =\ dns.name.from_text(token.value, self.current_origin) self.tok.get_eol() elif not token.is_eol_or_eof(): raise dns.exception.SyntaxError( "bad origin in $INCLUDE") else: new_origin = self.current_origin self.saved_state.append((self.tok, self.current_origin, self.last_name, self.current_file, self.ttl)) self.current_file = open(filename, 'r') self.tok = dns.tokenizer.Tokenizer(self.current_file, filename) self.current_origin = new_origin elif c == u'$GENERATE': self._generate_line() else: raise dns.exception.SyntaxError( "Unknown master file directive '" + c + "'") continue self.tok.unget(token) self._rr_line() except dns.exception.SyntaxError as detail: (filename, line_number) = self.tok.where() if detail is None: detail = "syntax error" raise dns.exception.SyntaxError( "%s:%d: %s" % (filename, line_number, detail)) # Now that we're done reading, do some basic checking of the zone. if self.check_origin: self.zone.check_origin() def from_text(text, origin=None, rdclass=dns.rdataclass.IN, relativize=True, zone_factory=Zone, filename=None, allow_include=False, check_origin=True): """Build a zone object from a master file format string. @param text: the master file format input @type text: string. @param origin: The origin of the zone; if not specified, the first $ORIGIN statement in the master file will determine the origin of the zone. @type origin: dns.name.Name object or string @param rdclass: The zone's rdata class; the default is class IN. @type rdclass: int @param relativize: should names be relativized? The default is True @type relativize: bool @param zone_factory: The zone factory to use @type zone_factory: function returning a Zone @param filename: The filename to emit when describing where an error occurred; the default is ''. @type filename: string @param allow_include: is $INCLUDE allowed? @type allow_include: bool @param check_origin: should sanity checks of the origin node be done? The default is True. @type check_origin: bool @raises dns.zone.NoSOA: No SOA RR was found at the zone origin @raises dns.zone.NoNS: No NS RRset was found at the zone origin @rtype: dns.zone.Zone object """ # 'text' can also be a file, but we don't publish that fact # since it's an implementation detail. The official file # interface is from_file(). if filename is None: filename = '' tok = dns.tokenizer.Tokenizer(text, filename) reader = _MasterReader(tok, origin, rdclass, relativize, zone_factory, allow_include=allow_include, check_origin=check_origin) reader.read() return reader.zone def from_file(f, origin=None, rdclass=dns.rdataclass.IN, relativize=True, zone_factory=Zone, filename=None, allow_include=True, check_origin=True): """Read a master file and build a zone object. @param f: file or string. If I{f} is a string, it is treated as the name of a file to open. @param origin: The origin of the zone; if not specified, the first $ORIGIN statement in the master file will determine the origin of the zone. @type origin: dns.name.Name object or string @param rdclass: The zone's rdata class; the default is class IN. @type rdclass: int @param relativize: should names be relativized? The default is True @type relativize: bool @param zone_factory: The zone factory to use @type zone_factory: function returning a Zone @param filename: The filename to emit when describing where an error occurred; the default is '', or the value of I{f} if I{f} is a string. @type filename: string @param allow_include: is $INCLUDE allowed? @type allow_include: bool @param check_origin: should sanity checks of the origin node be done? The default is True. @type check_origin: bool @raises dns.zone.NoSOA: No SOA RR was found at the zone origin @raises dns.zone.NoNS: No NS RRset was found at the zone origin @rtype: dns.zone.Zone object """ str_type = string_types opts = 'rU' if isinstance(f, str_type): if filename is None: filename = f f = open(f, opts) want_close = True else: if filename is None: filename = '' want_close = False try: z = from_text(f, origin, rdclass, relativize, zone_factory, filename, allow_include, check_origin) finally: if want_close: f.close() return z def from_xfr(xfr, zone_factory=Zone, relativize=True, check_origin=True): """Convert the output of a zone transfer generator into a zone object. @param xfr: The xfr generator @type xfr: generator of dns.message.Message objects @param relativize: should names be relativized? The default is True. It is essential that the relativize setting matches the one specified to dns.query.xfr(). @type relativize: bool @param check_origin: should sanity checks of the origin node be done? The default is True. @type check_origin: bool @raises dns.zone.NoSOA: No SOA RR was found at the zone origin @raises dns.zone.NoNS: No NS RRset was found at the zone origin @rtype: dns.zone.Zone object """ z = None for r in xfr: if z is None: if relativize: origin = r.origin else: origin = r.answer[0].name rdclass = r.answer[0].rdclass z = zone_factory(origin, rdclass, relativize=relativize) for rrset in r.answer: znode = z.nodes.get(rrset.name) if not znode: znode = z.node_factory() z.nodes[rrset.name] = znode zrds = znode.find_rdataset(rrset.rdclass, rrset.rdtype, rrset.covers, True) zrds.update_ttl(rrset.ttl) for rd in rrset: rd.choose_relativity(z.origin, relativize) zrds.add(rd) if check_origin: z.check_origin() return z dnspython-1.15.0/dnspython.egg-info/0000755000076500000240000000000012773500725017755 5ustar halleystaff00000000000000dnspython-1.15.0/dnspython.egg-info/dependency_links.txt0000644000076500000240000000000112773500724024022 0ustar halleystaff00000000000000 dnspython-1.15.0/dnspython.egg-info/PKG-INFO0000644000076500000240000000313212773500724021050 0ustar halleystaff00000000000000Metadata-Version: 1.1 Name: dnspython Version: 1.15.0 Summary: DNS toolkit Home-page: http://www.dnspython.org Author: Bob Halley Author-email: halley@dnspython.org License: BSD-like Download-URL: http://www.dnspython.org/kits/1.15.0/dnspython-1.15.0.tar.gz Description: dnspython is a DNS toolkit for Python. It supports almost all record types. It can be used for queries, zone transfers, and dynamic updates. It supports TSIG authenticated messages and EDNS0. dnspython provides both high and low level access to DNS. The high level classes perform queries for data of a given name, type, and class, and return an answer set. The low level classes allow direct manipulation of DNS zones, messages, names, and records. Platform: UNKNOWN Classifier: Development Status :: 5 - Production/Stable Classifier: Intended Audience :: Developers Classifier: Intended Audience :: System Administrators Classifier: License :: Freeware Classifier: Operating System :: Microsoft :: Windows :: Windows 95/98/2000 Classifier: Operating System :: POSIX Classifier: Programming Language :: Python Classifier: Topic :: Internet :: Name Service (DNS) Classifier: Topic :: Software Development :: Libraries :: Python Modules Classifier: Programming Language :: Python :: 2 Classifier: Programming Language :: Python :: 2.6 Classifier: Programming Language :: Python :: 2.7 Classifier: Programming Language :: Python :: 3 Classifier: Programming Language :: Python :: 3.3 Classifier: Programming Language :: Python :: 3.4 Classifier: Programming Language :: Python :: 3.5 Provides: dns dnspython-1.15.0/dnspython.egg-info/SOURCES.txt0000644000076500000240000000535312773500725021647 0ustar halleystaff00000000000000ChangeLog LICENSE MANIFEST.in setup.py dns/__init__.py dns/_compat.py dns/dnssec.py dns/e164.py dns/edns.py dns/entropy.py dns/exception.py dns/flags.py dns/grange.py dns/hash.py dns/inet.py dns/ipv4.py dns/ipv6.py dns/message.py dns/name.py dns/namedict.py dns/node.py dns/opcode.py dns/query.py dns/rcode.py dns/rdata.py dns/rdataclass.py dns/rdataset.py dns/rdatatype.py dns/renderer.py dns/resolver.py dns/reversename.py dns/rrset.py dns/set.py dns/tokenizer.py dns/tsig.py dns/tsigkeyring.py dns/ttl.py dns/update.py dns/version.py dns/wiredata.py dns/zone.py dns/rdtypes/__init__.py dns/rdtypes/dnskeybase.py dns/rdtypes/dsbase.py dns/rdtypes/euibase.py dns/rdtypes/mxbase.py dns/rdtypes/nsbase.py dns/rdtypes/txtbase.py dns/rdtypes/ANY/AFSDB.py dns/rdtypes/ANY/AVC.py dns/rdtypes/ANY/CAA.py dns/rdtypes/ANY/CDNSKEY.py dns/rdtypes/ANY/CDS.py dns/rdtypes/ANY/CERT.py dns/rdtypes/ANY/CNAME.py dns/rdtypes/ANY/CSYNC.py dns/rdtypes/ANY/DLV.py dns/rdtypes/ANY/DNAME.py dns/rdtypes/ANY/DNSKEY.py dns/rdtypes/ANY/DS.py dns/rdtypes/ANY/EUI48.py dns/rdtypes/ANY/EUI64.py dns/rdtypes/ANY/GPOS.py dns/rdtypes/ANY/HINFO.py dns/rdtypes/ANY/HIP.py dns/rdtypes/ANY/ISDN.py dns/rdtypes/ANY/LOC.py dns/rdtypes/ANY/MX.py dns/rdtypes/ANY/NS.py dns/rdtypes/ANY/NSEC.py dns/rdtypes/ANY/NSEC3.py dns/rdtypes/ANY/NSEC3PARAM.py dns/rdtypes/ANY/PTR.py dns/rdtypes/ANY/RP.py dns/rdtypes/ANY/RRSIG.py dns/rdtypes/ANY/RT.py dns/rdtypes/ANY/SOA.py dns/rdtypes/ANY/SPF.py dns/rdtypes/ANY/SSHFP.py dns/rdtypes/ANY/TLSA.py dns/rdtypes/ANY/TXT.py dns/rdtypes/ANY/URI.py dns/rdtypes/ANY/X25.py dns/rdtypes/ANY/__init__.py dns/rdtypes/IN/A.py dns/rdtypes/IN/AAAA.py dns/rdtypes/IN/APL.py dns/rdtypes/IN/DHCID.py dns/rdtypes/IN/IPSECKEY.py dns/rdtypes/IN/KX.py dns/rdtypes/IN/NAPTR.py dns/rdtypes/IN/NSAP.py dns/rdtypes/IN/NSAP_PTR.py dns/rdtypes/IN/PX.py dns/rdtypes/IN/SRV.py dns/rdtypes/IN/WKS.py dns/rdtypes/IN/__init__.py dnspython.egg-info/PKG-INFO dnspython.egg-info/SOURCES.txt dnspython.egg-info/dependency_links.txt dnspython.egg-info/top_level.txt examples/ddns.py examples/e164.py examples/mx.py examples/name.py examples/reverse.py examples/reverse_name.py examples/xfr.py examples/zonediff.py tests/Makefile tests/__init__.py tests/example tests/example1.good tests/example2.good tests/example3.good tests/test_bugs.py tests/test_dnssec.py tests/test_exceptions.py tests/test_flags.py tests/test_generate.py tests/test_grange.py tests/test_message.py tests/test_name.py tests/test_namedict.py tests/test_ntoaaton.py tests/test_rdata.py tests/test_rdtypeandclass.py tests/test_rdtypeanydnskey.py tests/test_rdtypeanyeui.py tests/test_rdtypeanyloc.py tests/test_resolver.py tests/test_rrset.py tests/test_set.py tests/test_tokenizer.py tests/test_update.py tests/test_wiredata.py tests/test_zone.py tests/utest.pydnspython-1.15.0/dnspython.egg-info/top_level.txt0000644000076500000240000000000412773500724022500 0ustar halleystaff00000000000000dns dnspython-1.15.0/examples/0000755000076500000240000000000012773500725016053 5ustar halleystaff00000000000000dnspython-1.15.0/examples/ddns.py0000755000076500000240000000226412770261242017357 0ustar halleystaff00000000000000#!/usr/bin/env python # # Use a TSIG-signed DDNS update to update our hostname-to-address # mapping. # # usage: ddns.py # # On linux systems, you can automatically update your DNS any time an # interface comes up by adding an ifup-local script that invokes this # python code. # # E.g. on my systems I have this # # #!/bin/sh # # DEVICE=$1 # # if [ "X${DEVICE}" == "Xeth0" ]; then # IPADDR=`LANG= LC_ALL= ifconfig ${DEVICE} | grep 'inet addr' | # awk -F: '{ print $2 } ' | awk '{ print $1 }'` # /usr/local/sbin/ddns.py $IPADDR # fi # # in /etc/ifup-local. # import sys import dns.update import dns.query import dns.tsigkeyring # # Replace the keyname and secret with appropriate values for your # configuration. # keyring = dns.tsigkeyring.from_text({ 'keyname.' : 'NjHwPsMKjdN++dOfE5iAiQ==' }) # # Replace "example." with your domain, and "host" with your hostname. # update = dns.update.Update('example.', keyring=keyring) update.replace('host', 300, 'A', sys.argv[1]) # # Replace "10.0.0.1" with the IP address of your master server. # response = dns.query.tcp(update, '10.0.0.1', timeout=10) dnspython-1.15.0/examples/e164.py0000755000076500000240000000023012770261242017075 0ustar halleystaff00000000000000#!/usr/bin/env python from __future__ import print_function import dns.e164 n = dns.e164.from_e164("+1 555 1212") print(n) print(dns.e164.to_e164(n)) dnspython-1.15.0/examples/mx.py0000755000076500000240000000034112770261242017045 0ustar halleystaff00000000000000#!/usr/bin/env python from __future__ import print_function import dns.resolver answers = dns.resolver.query('nominum.com', 'MX') for rdata in answers: print('Host', rdata.exchange, 'has preference', rdata.preference) dnspython-1.15.0/examples/name.py0000755000076500000240000000072412770261242017346 0ustar halleystaff00000000000000#!/usr/bin/env python from __future__ import print_function import dns.name n = dns.name.from_text('www.dnspython.org') o = dns.name.from_text('dnspython.org') print(n.is_subdomain(o)) # True print(n.is_superdomain(o)) # False print(n > o) # True rel = n.relativize(o) # rel is the relative name www n2 = rel + o print(n2 == n) # True print(n.labels) # ['www', 'dnspython', 'org', ''] dnspython-1.15.0/examples/reverse.py0000755000076500000240000000251112770261242020075 0ustar halleystaff00000000000000#!/usr/bin/env python # Usage: reverse.py ... # # This demo script will load in all of the zones specified by the # filenames on the command line, find all the A RRs in them, and # construct a reverse mapping table that maps each IP address used to # the list of names mapping to that address. The table is then sorted # nicely and printed. # # Note! The zone name is taken from the basename of the filename, so # you must use filenames like "/wherever/you/like/dnspython.org" and # not something like "/wherever/you/like/foo.db" (unless you're # working with the ".db" GTLD, of course :)). # # If this weren't a demo script, there'd be a way of specifying the # origin for each zone instead of constructing it from the filename. from __future__ import print_function import dns.zone import dns.ipv4 import os.path import sys reverse_map = {} for filename in sys.argv[1:]: zone = dns.zone.from_file(filename, os.path.basename(filename), relativize=False) for (name, ttl, rdata) in zone.iterate_rdatas('A'): try: reverse_map[rdata.address].append(name.to_text()) except KeyError: reverse_map[rdata.address] = [name.to_text()] keys = reverse_map.keys() keys.sort(key=dns.ipv4.inet_aton) for k in keys: v = reverse_map[k] v.sort() print(k, v) dnspython-1.15.0/examples/reverse_name.py0000755000076500000240000000026112770261242021075 0ustar halleystaff00000000000000#!/usr/bin/env python from __future__ import print_function import dns.reversename n = dns.reversename.from_address("127.0.0.1") print(n) print(dns.reversename.to_address(n)) dnspython-1.15.0/examples/xfr.py0000755000076500000240000000061112770261242017220 0ustar halleystaff00000000000000#!/usr/bin/env python from __future__ import print_function import dns.query import dns.resolver import dns.zone soa_answer = dns.resolver.query('dnspython.org', 'SOA') master_answer = dns.resolver.query(soa_answer[0].mname, 'A') z = dns.zone.from_xfr(dns.query.xfr(master_answer[0].address, 'dnspython.org')) names = z.nodes.keys() names.sort() for n in names: print(z[n].to_text(n)) dnspython-1.15.0/examples/zonediff.py0000755000076500000240000002556212770261242020241 0ustar halleystaff00000000000000#!/usr/bin/env python # # Small library and commandline tool to do logical diffs of zonefiles # ./zonediff -h gives you help output # # Requires dnspython to do all the heavy lifting # # (c)2009 Dennis Kaarsemaker # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. """See diff_zones.__doc__ for more information""" from __future__ import print_function __all__ = ['diff_zones', 'format_changes_plain', 'format_changes_html'] try: import dns.zone except ImportError: raise SystemExit("Please install dnspython") def diff_zones(zone1, zone2, ignore_ttl=False, ignore_soa=False): """diff_zones(zone1, zone2, ignore_ttl=False, ignore_soa=False) -> changes Compares two dns.zone.Zone objects and returns a list of all changes in the format (name, oldnode, newnode). If ignore_ttl is true, a node will not be added to this list if the only change is its TTL. If ignore_soa is true, a node will not be added to this list if the only changes is a change in a SOA Rdata set. The returned nodes do include all Rdata sets, including unchanged ones. """ changes = [] for name in zone1: name = str(name) n1 = zone1.get_node(name) n2 = zone2.get_node(name) if not n2: changes.append((str(name), n1, n2)) elif _nodes_differ(n1, n2, ignore_ttl, ignore_soa): changes.append((str(name), n1, n2)) for name in zone2: n1 = zone1.get_node(name) if not n1: n2 = zone2.get_node(name) changes.append((str(name), n1, n2)) return changes def _nodes_differ(n1, n2, ignore_ttl, ignore_soa): if ignore_soa or not ignore_ttl: # Compare datasets directly for r in n1.rdatasets: if ignore_soa and r.rdtype == dns.rdatatype.SOA: continue if r not in n2.rdatasets: return True if not ignore_ttl: return r.ttl != n2.find_rdataset(r.rdclass, r.rdtype).ttl for r in n2.rdatasets: if ignore_soa and r.rdtype == dns.rdatatype.SOA: continue if r not in n1.rdatasets: return True else: return n1 != n2 def format_changes_plain(oldf, newf, changes, ignore_ttl=False): """format_changes(oldfile, newfile, changes, ignore_ttl=False) -> str Given 2 filenames and a list of changes from diff_zones, produce diff-like output. If ignore_ttl is True, TTL-only changes are not displayed""" ret = "--- %s\n+++ %s\n" % (oldf, newf) for name, old, new in changes: ret += "@ %s\n" % name if not old: for r in new.rdatasets: ret += "+ %s\n" % str(r).replace('\n', '\n+ ') elif not new: for r in old.rdatasets: ret += "- %s\n" % str(r).replace('\n', '\n+ ') else: for r in old.rdatasets: if r not in new.rdatasets or ( r.ttl != new.find_rdataset(r.rdclass, r.rdtype).ttl and not ignore_ttl ): ret += "- %s\n" % str(r).replace('\n', '\n+ ') for r in new.rdatasets: if r not in old.rdatasets or ( r.ttl != old.find_rdataset(r.rdclass, r.rdtype).ttl and not ignore_ttl ): ret += "+ %s\n" % str(r).replace('\n', '\n+ ') return ret def format_changes_html(oldf, newf, changes, ignore_ttl=False): """format_changes(oldfile, newfile, changes, ignore_ttl=False) -> str Given 2 filenames and a list of changes from diff_zones, produce nice html output. If ignore_ttl is True, TTL-only changes are not displayed""" ret = '''\n''' % (oldf, newf) for name, old, new in changes: ret += ' \n \n' % name if not old: for r in new.rdatasets: ret += ( ' \n' ' \n' ) % str(r).replace('\n', '
') elif not new: for r in old.rdatasets: ret += ( ' \n' ' \n' ) % str(r).replace('\n', '
') else: ret += ' \n' ret += ' \n' ret += ' \n' return ret + ' \n
  %s %s
%s %s%s ' for r in old.rdatasets: if r not in new.rdatasets or ( r.ttl != new.find_rdataset(r.rdclass, r.rdtype).ttl and not ignore_ttl ): ret += str(r).replace('\n', '
') ret += '		' for r in new.rdatasets: if r not in old.rdatasets or ( r.ttl != old.find_rdataset(r.rdclass, r.rdtype).ttl and not ignore_ttl ): ret += str(r).replace('\n', '
') ret += '
' # Make this module usable as a script too. def main(): import argparse import subprocess import sys import traceback usage = """%prog zonefile1 zonefile2 - Show differences between zones in a diff-like format %prog [--git|--bzr|--rcs] zonefile rev1 [rev2] - Show differences between two revisions of a zonefile The differences shown will be logical differences, not textual differences. """ p = argparse.ArgumentParser(usage=usage) p.add_argument('-s', '--ignore-soa', action="store_true", default=False, dest="ignore_soa", help="Ignore SOA-only changes to records") p.add_argument('-t', '--ignore-ttl', action="store_true", default=False, dest="ignore_ttl", help="Ignore TTL-only changes to Rdata") p.add_argument('-T', '--traceback', action="store_true", default=False, dest="tracebacks", help="Show python tracebacks when errors occur") p.add_argument('-H', '--html', action="store_true", default=False, dest="html", help="Print HTML output") p.add_argument('-g', '--git', action="store_true", default=False, dest="use_git", help="Use git revisions instead of real files") p.add_argument('-b', '--bzr', action="store_true", default=False, dest="use_bzr", help="Use bzr revisions instead of real files") p.add_argument('-r', '--rcs', action="store_true", default=False, dest="use_rcs", help="Use rcs revisions instead of real files") opts, args = p.parse_args() opts.use_vc = opts.use_git or opts.use_bzr or opts.use_rcs def _open(what, err): if isinstance(what, list): # Must be a list, open subprocess try: proc = subprocess.Popen(what, stdout=subprocess.PIPE) proc.wait() if proc.returncode == 0: return proc.stdout sys.stderr.write(err + "\n") except Exception: sys.stderr.write(err + "\n") if opts.tracebacks: traceback.print_exc() else: # Open as normal file try: return open(what, 'rb') except IOError: sys.stderr.write(err + "\n") if opts.tracebacks: traceback.print_exc() if not opts.use_vc and len(args) != 2: p.print_help() sys.exit(64) if opts.use_vc and len(args) not in (2, 3): p.print_help() sys.exit(64) # Open file descriptors if not opts.use_vc: oldn, newn = args else: if len(args) == 3: filename, oldr, newr = args oldn = "%s:%s" % (oldr, filename) newn = "%s:%s" % (newr, filename) else: filename, oldr = args newr = None oldn = "%s:%s" % (oldr, filename) newn = filename old, new = None, None oldz, newz = None, None if opts.use_bzr: old = _open(["bzr", "cat", "-r" + oldr, filename], "Unable to retrieve revision %s of %s" % (oldr, filename)) if newr != None: new = _open(["bzr", "cat", "-r" + newr, filename], "Unable to retrieve revision %s of %s" % (newr, filename)) elif opts.use_git: old = _open(["git", "show", oldn], "Unable to retrieve revision %s of %s" % (oldr, filename)) if newr != None: new = _open(["git", "show", newn], "Unable to retrieve revision %s of %s" % (newr, filename)) elif opts.use_rcs: old = _open(["co", "-q", "-p", "-r" + oldr, filename], "Unable to retrieve revision %s of %s" % (oldr, filename)) if newr != None: new = _open(["co", "-q", "-p", "-r" + newr, filename], "Unable to retrieve revision %s of %s" % (newr, filename)) if not opts.use_vc: old = _open(oldn, "Unable to open %s" % oldn) if not opts.use_vc or newr is None: new = _open(newn, "Unable to open %s" % newn) if not old or not new: sys.exit(65) # Parse the zones try: oldz = dns.zone.from_file(old, origin='.', check_origin=False) except dns.exception.DNSException: sys.stderr.write("Incorrect zonefile: %s\n", old) if opts.tracebacks: traceback.print_exc() try: newz = dns.zone.from_file(new, origin='.', check_origin=False) except dns.exception.DNSException: sys.stderr.write("Incorrect zonefile: %s\n" % new) if opts.tracebacks: traceback.print_exc() if not oldz or not newz: sys.exit(65) changes = diff_zones(oldz, newz, opts.ignore_ttl, opts.ignore_soa) changes.sort() if not changes: sys.exit(0) if opts.html: print(format_changes_html(oldn, newn, changes, opts.ignore_ttl)) else: print(format_changes_plain(oldn, newn, changes, opts.ignore_ttl)) sys.exit(1) if __name__ == '__main__': main() dnspython-1.15.0/LICENSE0000644000076500000240000000137212770261242015240 0ustar halleystaff00000000000000ISC License Copyright (C) 2001-2003 Nominum, Inc. Permission to use, copy, modify, and distribute this software and its documentation for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies. THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. dnspython-1.15.0/MANIFEST.in0000644000076500000240000000020012770261242015756 0ustar halleystaff00000000000000include LICENSE ChangeLog TODO recursive-include examples *.txt *.py recursive-include tests *.txt *.py Makefile *.good example dnspython-1.15.0/PKG-INFO0000644000076500000240000000313212773500725015331 0ustar halleystaff00000000000000Metadata-Version: 1.1 Name: dnspython Version: 1.15.0 Summary: DNS toolkit Home-page: http://www.dnspython.org Author: Bob Halley Author-email: halley@dnspython.org License: BSD-like Download-URL: http://www.dnspython.org/kits/1.15.0/dnspython-1.15.0.tar.gz Description: dnspython is a DNS toolkit for Python. It supports almost all record types. It can be used for queries, zone transfers, and dynamic updates. It supports TSIG authenticated messages and EDNS0. dnspython provides both high and low level access to DNS. The high level classes perform queries for data of a given name, type, and class, and return an answer set. The low level classes allow direct manipulation of DNS zones, messages, names, and records. Platform: UNKNOWN Classifier: Development Status :: 5 - Production/Stable Classifier: Intended Audience :: Developers Classifier: Intended Audience :: System Administrators Classifier: License :: Freeware Classifier: Operating System :: Microsoft :: Windows :: Windows 95/98/2000 Classifier: Operating System :: POSIX Classifier: Programming Language :: Python Classifier: Topic :: Internet :: Name Service (DNS) Classifier: Topic :: Software Development :: Libraries :: Python Modules Classifier: Programming Language :: Python :: 2 Classifier: Programming Language :: Python :: 2.6 Classifier: Programming Language :: Python :: 2.7 Classifier: Programming Language :: Python :: 3 Classifier: Programming Language :: Python :: 3.3 Classifier: Programming Language :: Python :: 3.4 Classifier: Programming Language :: Python :: 3.5 Provides: dns dnspython-1.15.0/setup.cfg0000644000076500000240000000007312773500725016056 0ustar halleystaff00000000000000[egg_info] tag_build = tag_date = 0 tag_svn_revision = 0 dnspython-1.15.0/setup.py0000755000076500000240000000520212770261242015744 0ustar halleystaff00000000000000#!/usr/bin/env python # # Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. import sys from setuptools import setup version = '1.15.0' kwargs = { 'name' : 'dnspython', 'version' : version, 'description' : 'DNS toolkit', 'long_description' : \ """dnspython is a DNS toolkit for Python. It supports almost all record types. It can be used for queries, zone transfers, and dynamic updates. It supports TSIG authenticated messages and EDNS0. dnspython provides both high and low level access to DNS. The high level classes perform queries for data of a given name, type, and class, and return an answer set. The low level classes allow direct manipulation of DNS zones, messages, names, and records.""", 'author' : 'Bob Halley', 'author_email' : 'halley@dnspython.org', 'license' : 'BSD-like', 'url' : 'http://www.dnspython.org', 'packages' : ['dns', 'dns.rdtypes', 'dns.rdtypes.IN', 'dns.rdtypes.ANY'], 'download_url' : \ 'http://www.dnspython.org/kits/%s/dnspython-%s.tar.gz' % (version, version), 'classifiers' : [ "Development Status :: 5 - Production/Stable", "Intended Audience :: Developers", "Intended Audience :: System Administrators", "License :: Freeware", "Operating System :: Microsoft :: Windows :: Windows 95/98/2000", "Operating System :: POSIX", "Programming Language :: Python", "Topic :: Internet :: Name Service (DNS)", "Topic :: Software Development :: Libraries :: Python Modules", "Programming Language :: Python :: 2", "Programming Language :: Python :: 2.6", "Programming Language :: Python :: 2.7", "Programming Language :: Python :: 3", "Programming Language :: Python :: 3.3", "Programming Language :: Python :: 3.4", "Programming Language :: Python :: 3.5", ], 'test_suite': 'tests', 'provides': ['dns'], } setup(**kwargs) dnspython-1.15.0/tests/0000755000076500000240000000000012773500725015377 5ustar halleystaff00000000000000dnspython-1.15.0/tests/__init__.py0000644000076500000240000000000012770261242017471 0ustar halleystaff00000000000000dnspython-1.15.0/tests/example0000644000076500000240000002116712770312262016756 0ustar halleystaff00000000000000; Copyright (C) 2000, 2001 Internet Software Consortium. ; ; Permission to use, copy, modify, and distribute this software for any ; purpose with or without fee is hereby granted, provided that the above ; copyright notice and this permission notice appear in all copies. ; ; THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM ; DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL ; IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ; INTERNET SOFTWARE CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, ; INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING ; FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, ; NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION ; WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. ; $Id: example 265924 2016-05-20 18:26:42Z bwelling $ $ORIGIN . $TTL 300 ; 5 minutes example IN SOA ns1.example. hostmaster.example. 1 2 3 4 5 example. NS ns1.example. ns1.example. A 10.53.0.1 example. NS ns2.example. ns2.example. A 10.53.0.2 $ORIGIN example. @ NSEC3PARAM 1 1 12 aabbccdd @ NSEC3PARAM 1 1 12 - * MX 10 mail a TXT "foo foo foo" PTR foo.net. $TTL 3600 ; 1 hour a01 A 0.0.0.0 a02 A 255.255.255.255 ;; ;a601 A6 0 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff ; A6 64 ::ffff:ffff:ffff:ffff foo. ; A6 127 ::1 foo. ; A6 128 . aaaa01 AAAA ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff aaaa02 AAAA ::1 afsdb01 AFSDB 0 hostname afsdb02 AFSDB 65535 . $TTL 300 ; 5 minutes b CNAME foo.net. c A 73.80.65.49 $TTL 3600 ; 1 hour cert01 CERT 65534 65535 PRIVATEOID MxFcby9k/yvedMfQgKzhH5er0Mu/vILz45IkskceFGgi WCn/GxHhai6VAuHAoNUz4YoU1tVfSCSqQYn6//11U6Nl d80jEeC8aTrO+KKmCaY= cname01 CNAME cname-target. cname02 CNAME cname-target cname03 CNAME . dhcid01 DHCID AAIBY2/AuCccgoJbsaxcQc9TUapptP69lOjxfNuVAA2kjEA= dhcid02 DHCID AAEBOSD+XR3Os/0LozeXVqcNc7FwCfQdWL3b/NaiUDlW2No= dhcid03 DHCID AAABxLmlskllE0MVjd57zHcWmEH3pCQ6VytcKD//7es/deY= $TTL 300 ; 5 minutes d A 73.80.65.49 $TTL 3600 ; 1 hour dname01 DNAME dname-target. dname02 DNAME dname-target dname03 DNAME . $TTL 300 ; 5 minutes e MX 10 mail TXT "one" TXT "three" TXT "two" A 73.80.65.49 A 73.80.65.50 A 73.80.65.52 A 73.80.65.51 f A 73.80.65.52 $TTL 3600 ; 1 hour gpos01 GPOS "-22.6882" "116.8652" "250.0" ;; ;; XXXRTH I have commented out the following line because I don't think ;; it is a valid GPOS record. ;; ;;gpos02 GPOS "" "" "" hinfo01 HINFO "Generic PC clone" "NetBSD-1.4" hinfo02 HINFO "PC" "NetBSD" isdn01 ISDN "isdn-address" isdn02 ISDN "isdn-address" "subaddress" isdn03 ISDN "isdn-address" isdn04 ISDN "isdn-address" "subaddress" ;key01 KEY 512 255 1 AQMFD5raczCJHViKtLYhWGz8hMY9UGRuniJDBzC7w0aR yzWZriO6i2odGWWQVucZqKVsENW91IOW4vqudngPZsY3 GvQ/xVA8/7pyFj6b7Esga60zyGW6LFe9r8n6paHrlG5o jqf0BaqHT+8= ;key02 KEY HOST|FLAG4 DNSSEC RSAMD5 AQMFD5raczCJHViKtLYhWGz8hMY9UGRuniJDBzC7w0aR yzWZriO6i2odGWWQVucZqKVsENW91IOW4vqudngPZsY3 GvQ/xVA8/7pyFj6b7Esga60zyGW6LFe9r8n6paHrlG5o jqf0BaqHT+8= kx01 KX 10 kdc kx02 KX 10 . loc01 LOC 60 9 0.000 N 24 39 0.000 E 10.00m 20m 2000m 20m loc02 LOC 60 9 0.000 N 24 39 0.000 E 10.00m 20m 2000m 20m loc03 LOC 60 9 0.000 N 24 39 0.000 E 10.00m 90000000.00m 2000m 20m loc04 LOC 60 9 1.5 N 24 39 0.000 E 10.00m 90000000.00m 2000m 20m loc05 LOC 60 9 1.51 N 24 39 0.000 E 10.00m 90000000.00m 2000m 20m loc06 LOC 60 9 1 N 24 39 0.000 E 10.00m 90000000.00m 2000m 20m loc07 LOC 0 9 1 N 24 39 0.000 E 10.00m 90000000.00m 2000m 20m loc08 LOC 0 9 1 S 24 39 0.000 E 10.00m 90000000.00m 2000m 20m ;; ;; XXXRTH These are all obsolete and unused. dnspython doesn't implement ;; them ;;mb01 MG madname ;;mb02 MG . ;;mg01 MG mgmname ;;mg02 MG . ;;minfo01 MINFO rmailbx emailbx ;;minfo02 MINFO . . ;;mr01 MR mrname ;;mr02 MR . mx01 MX 10 mail mx02 MX 10 . naptr01 NAPTR 0 0 "" "" "" . naptr02 NAPTR 65535 65535 "blurgh" "blorf" "blegh" foo. nsap-ptr01 NSAP-PTR foo. NSAP-PTR . nsap01 NSAP 0x47000580005a0000000001e133ffffff00016100 nsap02 NSAP 0x47.000580005a0000000001e133ffffff000161.00 ;nxt01 NXT a.secure ( NS SOA MX SIG KEY LOC NXT ) ;nxt02 NXT . ( NSAP-PTR NXT ) ;nxt03 NXT . ( A ) ;nxt04 NXT . ( 127 ) ptr01 PTR example. px01 PX 65535 foo. bar. px02 PX 65535 . . rp01 RP mbox-dname txt-dname rp02 RP . . rt01 RT 0 intermediate-host rt02 RT 65535 . $TTL 300 ; 5 minutes s NS ns.s $ORIGIN s.example. ns A 73.80.65.49 $ORIGIN example. $TTL 3600 ; 1 hour ;sig01 SIG NXT 1 3 3600 20200101000000 20030101000000 2143 foo MxFcby9k/yvedMfQgKzhH5er0Mu/vILz45IkskceFGgi WCn/GxHhai6VAuHAoNUz4YoU1tVfSCSqQYn6//11U6Nl d80jEeC8aTrO+KKmCaY= srv01 SRV 0 0 0 . srv02 SRV 65535 65535 65535 old-slow-box.example.com. $TTL 301 ; 5 minutes 1 second t A 73.80.65.49 $TTL 3600 ; 1 hour tlsa1 TLSA 3 1 1 a9cdf989b504fe5dca90c0d2167b6550570734f7c763e09fdf88904e06157065 tlsa2 TLSA 1 0 1 efddf0d915c7bdc5782c0881e1b2a95ad099fbdd06d7b1f77982d9364338d955 tlsa3 TLSA 1 0 2 81ee7f6c0ecc6b09b7785a9418f54432de630dd54dc6ee9e3c49de547708d236d4c413c3e97e44f969e635958aa410495844127c04883503e5b024cf7a8f6a94 txt01 TXT "foo" txt02 TXT "foo" "bar" txt03 TXT "foo" txt04 TXT "foo" "bar" txt05 TXT "foo bar" txt06 TXT "foo bar" txt07 TXT "foo bar" txt08 TXT "foo\010bar" txt09 TXT "foo\010bar" txt10 TXT "foo bar" txt11 TXT "\"foo\"" txt12 TXT "\"foo\"" txt13 TXT foo $TTL 300 ; 5 minutes u TXT "txt-not-in-nxt" $ORIGIN u.example. a A 73.80.65.49 b A 73.80.65.49 $ORIGIN example. $TTL 3600 ; 1 hour wks01 WKS 10.0.0.1 6 ( 0 1 2 21 23 ) wks02 WKS 10.0.0.1 17 ( 0 1 2 53 ) wks03 WKS 10.0.0.2 6 ( 65535 ) x2501 X25 "123456789" ds01 DS 12345 3 1 123456789abcdef67890123456789abcdef67890 apl01 APL 1:192.168.32.0/21 !1:192.168.38.0/28 apl02 APL 1:224.0.0.0/4 2:FF00:0:0:0:0:0:0:0/8 unknown2 TYPE999 \# 8 0a0000010a000001 unknown3 A \# 4 7f000002 rrsig01 RRSIG NSEC 1 3 3600 20200101000000 20030101000000 2143 foo MxFcby9k/yvedMfQgKzhH5er0Mu/vILz45IkskceFGgi WCn/GxHhai6VAuHAoNUz4YoU1tVfSCSqQYn6//11U6Nl d80jEeC8aTrO+KKmCaY= nsec01 NSEC a.secure A MX RRSIG NSEC TYPE1234 nsec02 NSEC . ( NSAP-PTR NSEC ) nsec03 NSEC . ( NSEC TYPE65535 ) nsec301 NSEC3 1 1 12 aabbccdd 2t7b4g4vsa5smi47k61mv5bv1a22bojr MX DNSKEY NS SOA NSEC3PARAM RRSIG nsec302 NSEC3 1 1 12 - 2t7b4g4vsa5smi47k61mv5bv1a22bojr MX DNSKEY NS SOA NSEC3PARAM RRSIG dnskey01 DNSKEY 512 255 1 AQMFD5raczCJHViKtLYhWGz8hMY9UGRuniJDBzC7w0aR yzWZriO6i2odGWWQVucZqKVsENW91IOW4vqudngPZsY3 GvQ/xVA8/7pyFj6b7Esga60zyGW6LFe9r8n6paHrlG5o jqf0BaqHT+8= dnskey02 DNSKEY 257 3 RSAMD5 ( AQMFD5raczCJHViKtLYhWGz8hMY9UGRuniJDBzC7w0aR yzWZriO6i2odGWWQVucZqKVsENW91IOW4vqudngPZsY3 GvQ/xVA8/7pyFj6b7Esga60zyGW6LFe9r8n6paHrlG5o jqf0BaqHT+8= ) sshfp1 SSHFP 1 1 aa549bfe898489c02d1715d97d79c57ba2fa76ab spf SPF "v=spf1 mx -all" ipseckey01 IPSECKEY 10 1 2 192.0.2.38 AQNRU3mG7TVTO2BkR47usntb102uFJtugbo6BSGvgqt4AQ== ipseckey02 IPSECKEY 10 0 2 . AQNRU3mG7TVTO2BkR47usntb102uFJtugbo6BSGvgqt4AQ== ipseckey03 IPSECKEY 10 3 2 mygateway.example.com. AQNRU3mG7TVTO2BkR47usntb102uFJtugbo6BSGvgqt4AQ== ipseckey04 IPSECKEY 10 2 2 2001:0DB8:0:8002::2000:1 AQNRU3mG7TVTO2BkR47usntb102uFJtugbo6BSGvgqt4AQ== ipseckey05 IPSECKEY 10 3 2 mygateway2 AQNRU3mG7TVTO2BkR47usntb102uFJtugbo6BSGvgqt4AQ== hip01 HIP 2 200100107B1A74DF365639CC39F1D578 AwEAAbdxyhNuSutc5EMzxTs9LBPCIkOFH8cIvM4p9+LrV4e19WzK00+CI6zBCQTdtWsuxKbWIy87UOoJTwkUs7lBu+Upr1gsNrut79ryra+bSRGQb1slImA8YVJyuIDsj7kwzG7jnERNqnWxZ48AWkskmdHaVDP4BcelrTI3rMXdXF5D hip02 HIP 2 200100107B1A74DF365639CC39F1D578 AwEAAbdxyhNuSutc5EMzxTs9LBPCIkOFH8cIvM4p9+LrV4e19WzK00+CI6zBCQTdtWsuxKbWIy87UOoJTwkUs7lBu+Upr1gsNrut79ryra+bSRGQb1slImA8YVJyuIDsj7kwzG7jnERNqnWxZ48AWkskmdHaVDP4BcelrTI3rMXdXF5D rvs.example.com. hip03 HIP 2 200100107B1A74DF365639CC39F1D578 AwEAAbdxyhNuSutc5EMzxTs9LBPCIkOFH8cIvM4p9+LrV4e19WzK00+CI6zBCQTdtWsuxKbWIy87UOoJTwkUs7lBu+Upr1gsNrut79ryra+bSRGQb1slImA8YVJyuIDsj7kwzG7jnERNqnWxZ48AWkskmdHaVDP4BcelrTI3rMXdXF5D rvs1.example.com. rvs2.example.com. cds01 CDS 12345 3 1 123456789abcdef67890123456789abcdef67890 cdnskey01 CDNSKEY 256 3 8 ( AwEAAbmiLgh411Pz3v3XCSBrvYf52A/Gv55ItN1NbOLH Cqt3Ec3p+VB/kQ87VjjMrycanZFnZT4l9uCFuYh21Ccy xVpcxExbM0UuhX5rJoDyeFSXoQlkHrB01osPl5Vri5Ym KtcmqGxZ9An0VSunohkyiX1SrNRZSdQnk9/pIHDe/c8D ) uri01 URI 10 1 "ftp://ftp1.example.com/public" uri02 URI 10 1 "http://www.example.com/path" caa01 CAA 0 issue "ca.example.net" caa02 CAA 0 iodef "mailto:security@example.com" caa03 CAA 0 iodef "http://iodef.example.com/" caa04 CAA 0 issue "ca.example.net; account=230123" caa05 CAA 0 issue "ca.example.net; policy=ev" caa06 CAA 128 tbs "Unknown" csync0 CSYNC 12345 0 A MX RRSIG NSEC TYPE1234 avc01 AVC "app-name:WOLFGANG|app-class:OAM|business=yes" dnspython-1.15.0/tests/example1.good0000644000076500000240000001575012770312315017766 0ustar halleystaff00000000000000@ 300 IN SOA ns1 hostmaster 1 2 3 4 5 @ 300 IN NS ns1 @ 300 IN NS ns2 @ 300 IN NSEC3PARAM 1 1 12 aabbccdd @ 300 IN NSEC3PARAM 1 1 12 - * 300 IN MX 10 mail a 300 IN TXT "foo foo foo" a 300 IN PTR foo.net. a01 3600 IN A 0.0.0.0 a02 3600 IN A 255.255.255.255 aaaa01 3600 IN AAAA ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff aaaa02 3600 IN AAAA ::1 afsdb01 3600 IN AFSDB 0 hostname afsdb02 3600 IN AFSDB 65535 . apl01 3600 IN APL 1:192.168.32.0/21 !1:192.168.38.0/28 apl02 3600 IN APL 1:224.0.0.0/4 2:FF00:0:0:0:0:0:0:0/8 avc01 3600 IN AVC "app-name:WOLFGANG|app-class:OAM|business=yes" b 300 IN CNAME foo.net. c 300 IN A 73.80.65.49 caa01 3600 IN CAA 0 issue "ca.example.net" caa02 3600 IN CAA 0 iodef "mailto:security@example.com" caa03 3600 IN CAA 0 iodef "http://iodef.example.com/" caa04 3600 IN CAA 0 issue "ca.example.net; account=230123" caa05 3600 IN CAA 0 issue "ca.example.net; policy=ev" caa06 3600 IN CAA 128 tbs "Unknown" cdnskey01 3600 IN CDNSKEY 256 3 8 AwEAAbmiLgh411Pz3v3XCSBrvYf52A/G v55ItN1NbOLHCqt3Ec3p+VB/kQ87VjjM rycanZFnZT4l9uCFuYh21CcyxVpcxExb M0UuhX5rJoDyeFSXoQlkHrB01osPl5Vr i5YmKtcmqGxZ9An0VSunohkyiX1SrNRZ SdQnk9/pIHDe/c8D cds01 3600 IN CDS 12345 3 1 123456789abcdef67890123456789abcdef67890 cert01 3600 IN CERT 65534 65535 PRIVATEOID MxFcby9k/yvedMfQgKzhH5er0Mu/vILz 45IkskceFGgiWCn/GxHhai6VAuHAoNUz 4YoU1tVfSCSqQYn6//11U6Nld80jEeC8 aTrO+KKmCaY= cname01 3600 IN CNAME cname-target. cname02 3600 IN CNAME cname-target cname03 3600 IN CNAME . csync0 3600 IN CSYNC 12345 0 A MX RRSIG NSEC TYPE1234 d 300 IN A 73.80.65.49 dhcid01 3600 IN DHCID AAIBY2/AuCccgoJbsaxcQc9TUapptP69 lOjxfNuVAA2kjEA= dhcid02 3600 IN DHCID AAEBOSD+XR3Os/0LozeXVqcNc7FwCfQd WL3b/NaiUDlW2No= dhcid03 3600 IN DHCID AAABxLmlskllE0MVjd57zHcWmEH3pCQ6 VytcKD//7es/deY= dname01 3600 IN DNAME dname-target. dname02 3600 IN DNAME dname-target dname03 3600 IN DNAME . dnskey01 3600 IN DNSKEY 512 255 1 AQMFD5raczCJHViKtLYhWGz8hMY9UGRu niJDBzC7w0aRyzWZriO6i2odGWWQVucZ qKVsENW91IOW4vqudngPZsY3GvQ/xVA8 /7pyFj6b7Esga60zyGW6LFe9r8n6paHr lG5ojqf0BaqHT+8= dnskey02 3600 IN DNSKEY 257 3 1 AQMFD5raczCJHViKtLYhWGz8hMY9UGRu niJDBzC7w0aRyzWZriO6i2odGWWQVucZ qKVsENW91IOW4vqudngPZsY3GvQ/xVA8 /7pyFj6b7Esga60zyGW6LFe9r8n6paHr lG5ojqf0BaqHT+8= ds01 3600 IN DS 12345 3 1 123456789abcdef67890123456789abcdef67890 e 300 IN MX 10 mail e 300 IN TXT "one" e 300 IN TXT "three" e 300 IN TXT "two" e 300 IN A 73.80.65.49 e 300 IN A 73.80.65.50 e 300 IN A 73.80.65.52 e 300 IN A 73.80.65.51 f 300 IN A 73.80.65.52 gpos01 3600 IN GPOS -22.6882 116.8652 250.0 hinfo01 3600 IN HINFO "Generic PC clone" "NetBSD-1.4" hinfo02 3600 IN HINFO "PC" "NetBSD" hip01 3600 IN HIP 2 200100107b1a74df365639cc39f1d578 AwEAAbdxyhNuSutc5EMzxTs9LBPCIkOFH8cIvM4p9+LrV4e19WzK00+CI6zBCQTdtWsuxKbWIy87UOoJTwkUs7lBu+Upr1gsNrut79ryra+bSRGQb1slImA8YVJyuIDsj7kwzG7jnERNqnWxZ48AWkskmdHaVDP4BcelrTI3rMXdXF5D hip02 3600 IN HIP 2 200100107b1a74df365639cc39f1d578 AwEAAbdxyhNuSutc5EMzxTs9LBPCIkOFH8cIvM4p9+LrV4e19WzK00+CI6zBCQTdtWsuxKbWIy87UOoJTwkUs7lBu+Upr1gsNrut79ryra+bSRGQb1slImA8YVJyuIDsj7kwzG7jnERNqnWxZ48AWkskmdHaVDP4BcelrTI3rMXdXF5D rvs.example.com. hip03 3600 IN HIP 2 200100107b1a74df365639cc39f1d578 AwEAAbdxyhNuSutc5EMzxTs9LBPCIkOFH8cIvM4p9+LrV4e19WzK00+CI6zBCQTdtWsuxKbWIy87UOoJTwkUs7lBu+Upr1gsNrut79ryra+bSRGQb1slImA8YVJyuIDsj7kwzG7jnERNqnWxZ48AWkskmdHaVDP4BcelrTI3rMXdXF5D rvs1.example.com. rvs2.example.com. ipseckey01 3600 IN IPSECKEY 10 1 2 192.0.2.38 AQNRU3mG7TVTO2BkR47usntb102uFJtu gbo6BSGvgqt4AQ== ipseckey02 3600 IN IPSECKEY 10 0 2 . AQNRU3mG7TVTO2BkR47usntb102uFJtu gbo6BSGvgqt4AQ== ipseckey03 3600 IN IPSECKEY 10 3 2 mygateway.example.com. AQNRU3mG7TVTO2BkR47usntb102uFJtu gbo6BSGvgqt4AQ== ipseckey04 3600 IN IPSECKEY 10 2 2 2001:0DB8:0:8002::2000:1 AQNRU3mG7TVTO2BkR47usntb102uFJtu gbo6BSGvgqt4AQ== ipseckey05 3600 IN IPSECKEY 10 3 2 mygateway2 AQNRU3mG7TVTO2BkR47usntb102uFJtu gbo6BSGvgqt4AQ== isdn01 3600 IN ISDN "isdn-address" isdn02 3600 IN ISDN "isdn-address" "subaddress" isdn03 3600 IN ISDN "isdn-address" isdn04 3600 IN ISDN "isdn-address" "subaddress" kx01 3600 IN KX 10 kdc kx02 3600 IN KX 10 . loc01 3600 IN LOC 60 9 0.000 N 24 39 0.000 E 10.00m 20.00m 2000.00m 20.00m loc02 3600 IN LOC 60 9 0.000 N 24 39 0.000 E 10.00m 20.00m 2000.00m 20.00m loc03 3600 IN LOC 60 9 0.000 N 24 39 0.000 E 10.00m 90000000.00m 2000.00m 20.00m loc04 3600 IN LOC 60 9 1.500 N 24 39 0.000 E 10.00m 90000000.00m 2000.00m 20.00m loc05 3600 IN LOC 60 9 1.510 N 24 39 0.000 E 10.00m 90000000.00m 2000.00m 20.00m loc06 3600 IN LOC 60 9 1.000 N 24 39 0.000 E 10.00m 90000000.00m 2000.00m 20.00m loc07 3600 IN LOC 0 9 1.000 N 24 39 0.000 E 10.00m 90000000.00m 2000.00m 20.00m loc08 3600 IN LOC 0 9 1.000 S 24 39 0.000 E 10.00m 90000000.00m 2000.00m 20.00m mx01 3600 IN MX 10 mail mx02 3600 IN MX 10 . naptr01 3600 IN NAPTR 0 0 "" "" "" . naptr02 3600 IN NAPTR 65535 65535 "blurgh" "blorf" "blegh" foo. ns1 300 IN A 10.53.0.1 ns2 300 IN A 10.53.0.2 nsap-ptr01 3600 IN NSAP-PTR foo. nsap-ptr01 3600 IN NSAP-PTR . nsap01 3600 IN NSAP 0x47000580005a0000000001e133ffffff00016100 nsap02 3600 IN NSAP 0x47000580005a0000000001e133ffffff00016100 nsec01 3600 IN NSEC a.secure A MX RRSIG NSEC TYPE1234 nsec02 3600 IN NSEC . NSAP-PTR NSEC nsec03 3600 IN NSEC . NSEC TYPE65535 nsec301 3600 IN NSEC3 1 1 12 aabbccdd 2t7b4g4vsa5smi47k61mv5bv1a22bojr NS SOA MX RRSIG DNSKEY NSEC3PARAM nsec302 3600 IN NSEC3 1 1 12 - 2t7b4g4vsa5smi47k61mv5bv1a22bojr NS SOA MX RRSIG DNSKEY NSEC3PARAM ptr01 3600 IN PTR @ px01 3600 IN PX 65535 foo. bar. px02 3600 IN PX 65535 . . rp01 3600 IN RP mbox-dname txt-dname rp02 3600 IN RP . . rrsig01 3600 IN RRSIG NSEC 1 3 3600 20200101000000 20030101000000 2143 foo MxFcby9k/yvedMfQgKzhH5er0Mu/vILz 45IkskceFGgiWCn/GxHhai6VAuHAoNUz 4YoU1tVfSCSqQYn6//11U6Nld80jEeC8 aTrO+KKmCaY= rt01 3600 IN RT 0 intermediate-host rt02 3600 IN RT 65535 . s 300 IN NS ns.s ns.s 300 IN A 73.80.65.49 spf 3600 IN SPF "v=spf1 mx -all" srv01 3600 IN SRV 0 0 0 . srv02 3600 IN SRV 65535 65535 65535 old-slow-box.example.com. sshfp1 3600 IN SSHFP 1 1 aa549bfe898489c02d1715d97d79c57ba2fa76ab t 301 IN A 73.80.65.49 tlsa1 3600 IN TLSA 3 1 1 a9cdf989b504fe5dca90c0d2167b6550570734f7c763e09fdf88904e06157065 tlsa2 3600 IN TLSA 1 0 1 efddf0d915c7bdc5782c0881e1b2a95ad099fbdd06d7b1f77982d9364338d955 tlsa3 3600 IN TLSA 1 0 2 81ee7f6c0ecc6b09b7785a9418f54432de630dd54dc6ee9e3c49de547708d236d4c413c3e97e44f969e635958aa410495844127c04883503e5b024cf7a8f6a94 txt01 3600 IN TXT "foo" txt02 3600 IN TXT "foo" "bar" txt03 3600 IN TXT "foo" txt04 3600 IN TXT "foo" "bar" txt05 3600 IN TXT "foo bar" txt06 3600 IN TXT "foo bar" txt07 3600 IN TXT "foo bar" txt08 3600 IN TXT "foo\010bar" txt09 3600 IN TXT "foo\010bar" txt10 3600 IN TXT "foo bar" txt11 3600 IN TXT "\"foo\"" txt12 3600 IN TXT "\"foo\"" txt13 3600 IN TXT "foo" u 300 IN TXT "txt-not-in-nxt" a.u 300 IN A 73.80.65.49 b.u 300 IN A 73.80.65.49 unknown2 3600 IN TYPE999 \# 8 0a0000010a000001 unknown3 3600 IN A 127.0.0.2 uri01 3600 IN URI 10 1 "ftp://ftp1.example.com/public" uri02 3600 IN URI 10 1 "http://www.example.com/path" wks01 3600 IN WKS 10.0.0.1 6 0 1 2 21 23 wks02 3600 IN WKS 10.0.0.1 17 0 1 2 53 wks03 3600 IN WKS 10.0.0.2 6 65535 x2501 3600 IN X25 "123456789" dnspython-1.15.0/tests/example2.good0000644000076500000240000002046412770312315017765 0ustar halleystaff00000000000000example. 300 IN SOA ns1.example. hostmaster.example. 1 2 3 4 5 example. 300 IN NS ns1.example. example. 300 IN NS ns2.example. example. 300 IN NSEC3PARAM 1 1 12 aabbccdd example. 300 IN NSEC3PARAM 1 1 12 - *.example. 300 IN MX 10 mail.example. a.example. 300 IN TXT "foo foo foo" a.example. 300 IN PTR foo.net. a01.example. 3600 IN A 0.0.0.0 a02.example. 3600 IN A 255.255.255.255 aaaa01.example. 3600 IN AAAA ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff aaaa02.example. 3600 IN AAAA ::1 afsdb01.example. 3600 IN AFSDB 0 hostname.example. afsdb02.example. 3600 IN AFSDB 65535 . apl01.example. 3600 IN APL 1:192.168.32.0/21 !1:192.168.38.0/28 apl02.example. 3600 IN APL 1:224.0.0.0/4 2:FF00:0:0:0:0:0:0:0/8 avc01.example. 3600 IN AVC "app-name:WOLFGANG|app-class:OAM|business=yes" b.example. 300 IN CNAME foo.net. c.example. 300 IN A 73.80.65.49 caa01.example. 3600 IN CAA 0 issue "ca.example.net" caa02.example. 3600 IN CAA 0 iodef "mailto:security@example.com" caa03.example. 3600 IN CAA 0 iodef "http://iodef.example.com/" caa04.example. 3600 IN CAA 0 issue "ca.example.net; account=230123" caa05.example. 3600 IN CAA 0 issue "ca.example.net; policy=ev" caa06.example. 3600 IN CAA 128 tbs "Unknown" cdnskey01.example. 3600 IN CDNSKEY 256 3 8 AwEAAbmiLgh411Pz3v3XCSBrvYf52A/G v55ItN1NbOLHCqt3Ec3p+VB/kQ87VjjM rycanZFnZT4l9uCFuYh21CcyxVpcxExb M0UuhX5rJoDyeFSXoQlkHrB01osPl5Vr i5YmKtcmqGxZ9An0VSunohkyiX1SrNRZ SdQnk9/pIHDe/c8D cds01.example. 3600 IN CDS 12345 3 1 123456789abcdef67890123456789abcdef67890 cert01.example. 3600 IN CERT 65534 65535 PRIVATEOID MxFcby9k/yvedMfQgKzhH5er0Mu/vILz 45IkskceFGgiWCn/GxHhai6VAuHAoNUz 4YoU1tVfSCSqQYn6//11U6Nld80jEeC8 aTrO+KKmCaY= cname01.example. 3600 IN CNAME cname-target. cname02.example. 3600 IN CNAME cname-target.example. cname03.example. 3600 IN CNAME . csync0.example. 3600 IN CSYNC 12345 0 A MX RRSIG NSEC TYPE1234 d.example. 300 IN A 73.80.65.49 dhcid01.example. 3600 IN DHCID AAIBY2/AuCccgoJbsaxcQc9TUapptP69 lOjxfNuVAA2kjEA= dhcid02.example. 3600 IN DHCID AAEBOSD+XR3Os/0LozeXVqcNc7FwCfQd WL3b/NaiUDlW2No= dhcid03.example. 3600 IN DHCID AAABxLmlskllE0MVjd57zHcWmEH3pCQ6 VytcKD//7es/deY= dname01.example. 3600 IN DNAME dname-target. dname02.example. 3600 IN DNAME dname-target.example. dname03.example. 3600 IN DNAME . dnskey01.example. 3600 IN DNSKEY 512 255 1 AQMFD5raczCJHViKtLYhWGz8hMY9UGRu niJDBzC7w0aRyzWZriO6i2odGWWQVucZ qKVsENW91IOW4vqudngPZsY3GvQ/xVA8 /7pyFj6b7Esga60zyGW6LFe9r8n6paHr lG5ojqf0BaqHT+8= dnskey02.example. 3600 IN DNSKEY 257 3 1 AQMFD5raczCJHViKtLYhWGz8hMY9UGRu niJDBzC7w0aRyzWZriO6i2odGWWQVucZ qKVsENW91IOW4vqudngPZsY3GvQ/xVA8 /7pyFj6b7Esga60zyGW6LFe9r8n6paHr lG5ojqf0BaqHT+8= ds01.example. 3600 IN DS 12345 3 1 123456789abcdef67890123456789abcdef67890 e.example. 300 IN MX 10 mail.example. e.example. 300 IN TXT "one" e.example. 300 IN TXT "three" e.example. 300 IN TXT "two" e.example. 300 IN A 73.80.65.49 e.example. 300 IN A 73.80.65.50 e.example. 300 IN A 73.80.65.52 e.example. 300 IN A 73.80.65.51 f.example. 300 IN A 73.80.65.52 gpos01.example. 3600 IN GPOS -22.6882 116.8652 250.0 hinfo01.example. 3600 IN HINFO "Generic PC clone" "NetBSD-1.4" hinfo02.example. 3600 IN HINFO "PC" "NetBSD" hip01.example. 3600 IN HIP 2 200100107b1a74df365639cc39f1d578 AwEAAbdxyhNuSutc5EMzxTs9LBPCIkOFH8cIvM4p9+LrV4e19WzK00+CI6zBCQTdtWsuxKbWIy87UOoJTwkUs7lBu+Upr1gsNrut79ryra+bSRGQb1slImA8YVJyuIDsj7kwzG7jnERNqnWxZ48AWkskmdHaVDP4BcelrTI3rMXdXF5D hip02.example. 3600 IN HIP 2 200100107b1a74df365639cc39f1d578 AwEAAbdxyhNuSutc5EMzxTs9LBPCIkOFH8cIvM4p9+LrV4e19WzK00+CI6zBCQTdtWsuxKbWIy87UOoJTwkUs7lBu+Upr1gsNrut79ryra+bSRGQb1slImA8YVJyuIDsj7kwzG7jnERNqnWxZ48AWkskmdHaVDP4BcelrTI3rMXdXF5D rvs.example.com. hip03.example. 3600 IN HIP 2 200100107b1a74df365639cc39f1d578 AwEAAbdxyhNuSutc5EMzxTs9LBPCIkOFH8cIvM4p9+LrV4e19WzK00+CI6zBCQTdtWsuxKbWIy87UOoJTwkUs7lBu+Upr1gsNrut79ryra+bSRGQb1slImA8YVJyuIDsj7kwzG7jnERNqnWxZ48AWkskmdHaVDP4BcelrTI3rMXdXF5D rvs1.example.com. rvs2.example.com. ipseckey01.example. 3600 IN IPSECKEY 10 1 2 192.0.2.38 AQNRU3mG7TVTO2BkR47usntb102uFJtu gbo6BSGvgqt4AQ== ipseckey02.example. 3600 IN IPSECKEY 10 0 2 . AQNRU3mG7TVTO2BkR47usntb102uFJtu gbo6BSGvgqt4AQ== ipseckey03.example. 3600 IN IPSECKEY 10 3 2 mygateway.example.com. AQNRU3mG7TVTO2BkR47usntb102uFJtu gbo6BSGvgqt4AQ== ipseckey04.example. 3600 IN IPSECKEY 10 2 2 2001:0DB8:0:8002::2000:1 AQNRU3mG7TVTO2BkR47usntb102uFJtu gbo6BSGvgqt4AQ== ipseckey05.example. 3600 IN IPSECKEY 10 3 2 mygateway2.example. AQNRU3mG7TVTO2BkR47usntb102uFJtu gbo6BSGvgqt4AQ== isdn01.example. 3600 IN ISDN "isdn-address" isdn02.example. 3600 IN ISDN "isdn-address" "subaddress" isdn03.example. 3600 IN ISDN "isdn-address" isdn04.example. 3600 IN ISDN "isdn-address" "subaddress" kx01.example. 3600 IN KX 10 kdc.example. kx02.example. 3600 IN KX 10 . loc01.example. 3600 IN LOC 60 9 0.000 N 24 39 0.000 E 10.00m 20.00m 2000.00m 20.00m loc02.example. 3600 IN LOC 60 9 0.000 N 24 39 0.000 E 10.00m 20.00m 2000.00m 20.00m loc03.example. 3600 IN LOC 60 9 0.000 N 24 39 0.000 E 10.00m 90000000.00m 2000.00m 20.00m loc04.example. 3600 IN LOC 60 9 1.500 N 24 39 0.000 E 10.00m 90000000.00m 2000.00m 20.00m loc05.example. 3600 IN LOC 60 9 1.510 N 24 39 0.000 E 10.00m 90000000.00m 2000.00m 20.00m loc06.example. 3600 IN LOC 60 9 1.000 N 24 39 0.000 E 10.00m 90000000.00m 2000.00m 20.00m loc07.example. 3600 IN LOC 0 9 1.000 N 24 39 0.000 E 10.00m 90000000.00m 2000.00m 20.00m loc08.example. 3600 IN LOC 0 9 1.000 S 24 39 0.000 E 10.00m 90000000.00m 2000.00m 20.00m mx01.example. 3600 IN MX 10 mail.example. mx02.example. 3600 IN MX 10 . naptr01.example. 3600 IN NAPTR 0 0 "" "" "" . naptr02.example. 3600 IN NAPTR 65535 65535 "blurgh" "blorf" "blegh" foo. ns1.example. 300 IN A 10.53.0.1 ns2.example. 300 IN A 10.53.0.2 nsap-ptr01.example. 3600 IN NSAP-PTR foo. nsap-ptr01.example. 3600 IN NSAP-PTR . nsap01.example. 3600 IN NSAP 0x47000580005a0000000001e133ffffff00016100 nsap02.example. 3600 IN NSAP 0x47000580005a0000000001e133ffffff00016100 nsec01.example. 3600 IN NSEC a.secure.example. A MX RRSIG NSEC TYPE1234 nsec02.example. 3600 IN NSEC . NSAP-PTR NSEC nsec03.example. 3600 IN NSEC . NSEC TYPE65535 nsec301.example. 3600 IN NSEC3 1 1 12 aabbccdd 2t7b4g4vsa5smi47k61mv5bv1a22bojr NS SOA MX RRSIG DNSKEY NSEC3PARAM nsec302.example. 3600 IN NSEC3 1 1 12 - 2t7b4g4vsa5smi47k61mv5bv1a22bojr NS SOA MX RRSIG DNSKEY NSEC3PARAM ptr01.example. 3600 IN PTR example. px01.example. 3600 IN PX 65535 foo. bar. px02.example. 3600 IN PX 65535 . . rp01.example. 3600 IN RP mbox-dname.example. txt-dname.example. rp02.example. 3600 IN RP . . rrsig01.example. 3600 IN RRSIG NSEC 1 3 3600 20200101000000 20030101000000 2143 foo.example. MxFcby9k/yvedMfQgKzhH5er0Mu/vILz 45IkskceFGgiWCn/GxHhai6VAuHAoNUz 4YoU1tVfSCSqQYn6//11U6Nld80jEeC8 aTrO+KKmCaY= rt01.example. 3600 IN RT 0 intermediate-host.example. rt02.example. 3600 IN RT 65535 . s.example. 300 IN NS ns.s.example. ns.s.example. 300 IN A 73.80.65.49 spf.example. 3600 IN SPF "v=spf1 mx -all" srv01.example. 3600 IN SRV 0 0 0 . srv02.example. 3600 IN SRV 65535 65535 65535 old-slow-box.example.com. sshfp1.example. 3600 IN SSHFP 1 1 aa549bfe898489c02d1715d97d79c57ba2fa76ab t.example. 301 IN A 73.80.65.49 tlsa1.example. 3600 IN TLSA 3 1 1 a9cdf989b504fe5dca90c0d2167b6550570734f7c763e09fdf88904e06157065 tlsa2.example. 3600 IN TLSA 1 0 1 efddf0d915c7bdc5782c0881e1b2a95ad099fbdd06d7b1f77982d9364338d955 tlsa3.example. 3600 IN TLSA 1 0 2 81ee7f6c0ecc6b09b7785a9418f54432de630dd54dc6ee9e3c49de547708d236d4c413c3e97e44f969e635958aa410495844127c04883503e5b024cf7a8f6a94 txt01.example. 3600 IN TXT "foo" txt02.example. 3600 IN TXT "foo" "bar" txt03.example. 3600 IN TXT "foo" txt04.example. 3600 IN TXT "foo" "bar" txt05.example. 3600 IN TXT "foo bar" txt06.example. 3600 IN TXT "foo bar" txt07.example. 3600 IN TXT "foo bar" txt08.example. 3600 IN TXT "foo\010bar" txt09.example. 3600 IN TXT "foo\010bar" txt10.example. 3600 IN TXT "foo bar" txt11.example. 3600 IN TXT "\"foo\"" txt12.example. 3600 IN TXT "\"foo\"" txt13.example. 3600 IN TXT "foo" u.example. 300 IN TXT "txt-not-in-nxt" a.u.example. 300 IN A 73.80.65.49 b.u.example. 300 IN A 73.80.65.49 unknown2.example. 3600 IN TYPE999 \# 8 0a0000010a000001 unknown3.example. 3600 IN A 127.0.0.2 uri01.example. 3600 IN URI 10 1 "ftp://ftp1.example.com/public" uri02.example. 3600 IN URI 10 1 "http://www.example.com/path" wks01.example. 3600 IN WKS 10.0.0.1 6 0 1 2 21 23 wks02.example. 3600 IN WKS 10.0.0.1 17 0 1 2 53 wks03.example. 3600 IN WKS 10.0.0.2 6 65535 x2501.example. 3600 IN X25 "123456789" dnspython-1.15.0/tests/example3.good0000644000076500000240000001575012770312315017770 0ustar halleystaff00000000000000@ 300 IN SOA ns1 hostmaster 1 2 3 4 5 @ 300 IN NS ns1 @ 300 IN NS ns2 @ 300 IN NSEC3PARAM 1 1 12 aabbccdd @ 300 IN NSEC3PARAM 1 1 12 - * 300 IN MX 10 mail a 300 IN TXT "foo foo foo" a 300 IN PTR foo.net. a01 3600 IN A 0.0.0.0 a02 3600 IN A 255.255.255.255 aaaa01 3600 IN AAAA ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff aaaa02 3600 IN AAAA ::1 afsdb01 3600 IN AFSDB 0 hostname afsdb02 3600 IN AFSDB 65535 . apl01 3600 IN APL 1:192.168.32.0/21 !1:192.168.38.0/28 apl02 3600 IN APL 1:224.0.0.0/4 2:FF00:0:0:0:0:0:0:0/8 avc01 3600 IN AVC "app-name:WOLFGANG|app-class:OAM|business=yes" b 300 IN CNAME foo.net. c 300 IN A 73.80.65.49 caa01 3600 IN CAA 0 issue "ca.example.net" caa02 3600 IN CAA 0 iodef "mailto:security@example.com" caa03 3600 IN CAA 0 iodef "http://iodef.example.com/" caa04 3600 IN CAA 0 issue "ca.example.net; account=230123" caa05 3600 IN CAA 0 issue "ca.example.net; policy=ev" caa06 3600 IN CAA 128 tbs "Unknown" cdnskey01 3600 IN CDNSKEY 256 3 8 AwEAAbmiLgh411Pz3v3XCSBrvYf52A/G v55ItN1NbOLHCqt3Ec3p+VB/kQ87VjjM rycanZFnZT4l9uCFuYh21CcyxVpcxExb M0UuhX5rJoDyeFSXoQlkHrB01osPl5Vr i5YmKtcmqGxZ9An0VSunohkyiX1SrNRZ SdQnk9/pIHDe/c8D cds01 3600 IN CDS 12345 3 1 123456789abcdef67890123456789abcdef67890 cert01 3600 IN CERT 65534 65535 PRIVATEOID MxFcby9k/yvedMfQgKzhH5er0Mu/vILz 45IkskceFGgiWCn/GxHhai6VAuHAoNUz 4YoU1tVfSCSqQYn6//11U6Nld80jEeC8 aTrO+KKmCaY= cname01 3600 IN CNAME cname-target. cname02 3600 IN CNAME cname-target cname03 3600 IN CNAME . csync0 3600 IN CSYNC 12345 0 A MX RRSIG NSEC TYPE1234 d 300 IN A 73.80.65.49 dhcid01 3600 IN DHCID AAIBY2/AuCccgoJbsaxcQc9TUapptP69 lOjxfNuVAA2kjEA= dhcid02 3600 IN DHCID AAEBOSD+XR3Os/0LozeXVqcNc7FwCfQd WL3b/NaiUDlW2No= dhcid03 3600 IN DHCID AAABxLmlskllE0MVjd57zHcWmEH3pCQ6 VytcKD//7es/deY= dname01 3600 IN DNAME dname-target. dname02 3600 IN DNAME dname-target dname03 3600 IN DNAME . dnskey01 3600 IN DNSKEY 512 255 1 AQMFD5raczCJHViKtLYhWGz8hMY9UGRu niJDBzC7w0aRyzWZriO6i2odGWWQVucZ qKVsENW91IOW4vqudngPZsY3GvQ/xVA8 /7pyFj6b7Esga60zyGW6LFe9r8n6paHr lG5ojqf0BaqHT+8= dnskey02 3600 IN DNSKEY 257 3 1 AQMFD5raczCJHViKtLYhWGz8hMY9UGRu niJDBzC7w0aRyzWZriO6i2odGWWQVucZ qKVsENW91IOW4vqudngPZsY3GvQ/xVA8 /7pyFj6b7Esga60zyGW6LFe9r8n6paHr lG5ojqf0BaqHT+8= ds01 3600 IN DS 12345 3 1 123456789abcdef67890123456789abcdef67890 e 300 IN MX 10 mail e 300 IN TXT "one" e 300 IN TXT "three" e 300 IN TXT "two" e 300 IN A 73.80.65.49 e 300 IN A 73.80.65.50 e 300 IN A 73.80.65.52 e 300 IN A 73.80.65.51 f 300 IN A 73.80.65.52 gpos01 3600 IN GPOS -22.6882 116.8652 250.0 hinfo01 3600 IN HINFO "Generic PC clone" "NetBSD-1.4" hinfo02 3600 IN HINFO "PC" "NetBSD" hip01 3600 IN HIP 2 200100107b1a74df365639cc39f1d578 AwEAAbdxyhNuSutc5EMzxTs9LBPCIkOFH8cIvM4p9+LrV4e19WzK00+CI6zBCQTdtWsuxKbWIy87UOoJTwkUs7lBu+Upr1gsNrut79ryra+bSRGQb1slImA8YVJyuIDsj7kwzG7jnERNqnWxZ48AWkskmdHaVDP4BcelrTI3rMXdXF5D hip02 3600 IN HIP 2 200100107b1a74df365639cc39f1d578 AwEAAbdxyhNuSutc5EMzxTs9LBPCIkOFH8cIvM4p9+LrV4e19WzK00+CI6zBCQTdtWsuxKbWIy87UOoJTwkUs7lBu+Upr1gsNrut79ryra+bSRGQb1slImA8YVJyuIDsj7kwzG7jnERNqnWxZ48AWkskmdHaVDP4BcelrTI3rMXdXF5D rvs.example.com. hip03 3600 IN HIP 2 200100107b1a74df365639cc39f1d578 AwEAAbdxyhNuSutc5EMzxTs9LBPCIkOFH8cIvM4p9+LrV4e19WzK00+CI6zBCQTdtWsuxKbWIy87UOoJTwkUs7lBu+Upr1gsNrut79ryra+bSRGQb1slImA8YVJyuIDsj7kwzG7jnERNqnWxZ48AWkskmdHaVDP4BcelrTI3rMXdXF5D rvs1.example.com. rvs2.example.com. ipseckey01 3600 IN IPSECKEY 10 1 2 192.0.2.38 AQNRU3mG7TVTO2BkR47usntb102uFJtu gbo6BSGvgqt4AQ== ipseckey02 3600 IN IPSECKEY 10 0 2 . AQNRU3mG7TVTO2BkR47usntb102uFJtu gbo6BSGvgqt4AQ== ipseckey03 3600 IN IPSECKEY 10 3 2 mygateway.example.com. AQNRU3mG7TVTO2BkR47usntb102uFJtu gbo6BSGvgqt4AQ== ipseckey04 3600 IN IPSECKEY 10 2 2 2001:0DB8:0:8002::2000:1 AQNRU3mG7TVTO2BkR47usntb102uFJtu gbo6BSGvgqt4AQ== ipseckey05 3600 IN IPSECKEY 10 3 2 mygateway2 AQNRU3mG7TVTO2BkR47usntb102uFJtu gbo6BSGvgqt4AQ== isdn01 3600 IN ISDN "isdn-address" isdn02 3600 IN ISDN "isdn-address" "subaddress" isdn03 3600 IN ISDN "isdn-address" isdn04 3600 IN ISDN "isdn-address" "subaddress" kx01 3600 IN KX 10 kdc kx02 3600 IN KX 10 . loc01 3600 IN LOC 60 9 0.000 N 24 39 0.000 E 10.00m 20.00m 2000.00m 20.00m loc02 3600 IN LOC 60 9 0.000 N 24 39 0.000 E 10.00m 20.00m 2000.00m 20.00m loc03 3600 IN LOC 60 9 0.000 N 24 39 0.000 E 10.00m 90000000.00m 2000.00m 20.00m loc04 3600 IN LOC 60 9 1.500 N 24 39 0.000 E 10.00m 90000000.00m 2000.00m 20.00m loc05 3600 IN LOC 60 9 1.510 N 24 39 0.000 E 10.00m 90000000.00m 2000.00m 20.00m loc06 3600 IN LOC 60 9 1.000 N 24 39 0.000 E 10.00m 90000000.00m 2000.00m 20.00m loc07 3600 IN LOC 0 9 1.000 N 24 39 0.000 E 10.00m 90000000.00m 2000.00m 20.00m loc08 3600 IN LOC 0 9 1.000 S 24 39 0.000 E 10.00m 90000000.00m 2000.00m 20.00m mx01 3600 IN MX 10 mail mx02 3600 IN MX 10 . naptr01 3600 IN NAPTR 0 0 "" "" "" . naptr02 3600 IN NAPTR 65535 65535 "blurgh" "blorf" "blegh" foo. ns1 300 IN A 10.53.0.1 ns2 300 IN A 10.53.0.2 nsap-ptr01 3600 IN NSAP-PTR foo. nsap-ptr01 3600 IN NSAP-PTR . nsap01 3600 IN NSAP 0x47000580005a0000000001e133ffffff00016100 nsap02 3600 IN NSAP 0x47000580005a0000000001e133ffffff00016100 nsec01 3600 IN NSEC a.secure A MX RRSIG NSEC TYPE1234 nsec02 3600 IN NSEC . NSAP-PTR NSEC nsec03 3600 IN NSEC . NSEC TYPE65535 nsec301 3600 IN NSEC3 1 1 12 aabbccdd 2t7b4g4vsa5smi47k61mv5bv1a22bojr NS SOA MX RRSIG DNSKEY NSEC3PARAM nsec302 3600 IN NSEC3 1 1 12 - 2t7b4g4vsa5smi47k61mv5bv1a22bojr NS SOA MX RRSIG DNSKEY NSEC3PARAM ptr01 3600 IN PTR @ px01 3600 IN PX 65535 foo. bar. px02 3600 IN PX 65535 . . rp01 3600 IN RP mbox-dname txt-dname rp02 3600 IN RP . . rrsig01 3600 IN RRSIG NSEC 1 3 3600 20200101000000 20030101000000 2143 foo MxFcby9k/yvedMfQgKzhH5er0Mu/vILz 45IkskceFGgiWCn/GxHhai6VAuHAoNUz 4YoU1tVfSCSqQYn6//11U6Nld80jEeC8 aTrO+KKmCaY= rt01 3600 IN RT 0 intermediate-host rt02 3600 IN RT 65535 . s 300 IN NS ns.s ns.s 300 IN A 73.80.65.49 spf 3600 IN SPF "v=spf1 mx -all" srv01 3600 IN SRV 0 0 0 . srv02 3600 IN SRV 65535 65535 65535 old-slow-box.example.com. sshfp1 3600 IN SSHFP 1 1 aa549bfe898489c02d1715d97d79c57ba2fa76ab t 301 IN A 73.80.65.49 tlsa1 3600 IN TLSA 3 1 1 a9cdf989b504fe5dca90c0d2167b6550570734f7c763e09fdf88904e06157065 tlsa2 3600 IN TLSA 1 0 1 efddf0d915c7bdc5782c0881e1b2a95ad099fbdd06d7b1f77982d9364338d955 tlsa3 3600 IN TLSA 1 0 2 81ee7f6c0ecc6b09b7785a9418f54432de630dd54dc6ee9e3c49de547708d236d4c413c3e97e44f969e635958aa410495844127c04883503e5b024cf7a8f6a94 txt01 3600 IN TXT "foo" txt02 3600 IN TXT "foo" "bar" txt03 3600 IN TXT "foo" txt04 3600 IN TXT "foo" "bar" txt05 3600 IN TXT "foo bar" txt06 3600 IN TXT "foo bar" txt07 3600 IN TXT "foo bar" txt08 3600 IN TXT "foo\010bar" txt09 3600 IN TXT "foo\010bar" txt10 3600 IN TXT "foo bar" txt11 3600 IN TXT "\"foo\"" txt12 3600 IN TXT "\"foo\"" txt13 3600 IN TXT "foo" u 300 IN TXT "txt-not-in-nxt" a.u 300 IN A 73.80.65.49 b.u 300 IN A 73.80.65.49 unknown2 3600 IN TYPE999 \# 8 0a0000010a000001 unknown3 3600 IN A 127.0.0.2 uri01 3600 IN URI 10 1 "ftp://ftp1.example.com/public" uri02 3600 IN URI 10 1 "http://www.example.com/path" wks01 3600 IN WKS 10.0.0.1 6 0 1 2 21 23 wks02 3600 IN WKS 10.0.0.1 17 0 1 2 53 wks03 3600 IN WKS 10.0.0.2 6 65535 x2501 3600 IN X25 "123456789" dnspython-1.15.0/tests/Makefile0000644000076500000240000000160312770261242017032 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. # $Id: Makefile,v 1.5 2004/03/19 00:17:27 halley Exp $ PYTHON=python check: test test: ${PYTHON} ./utest.py dnspython-1.15.0/tests/test_bugs.py0000644000076500000240000000552712770261242017754 0ustar halleystaff00000000000000# Copyright (C) 2006, 2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. from io import BytesIO try: import unittest2 as unittest except ImportError: import unittest import dns.rdata import dns.rdataclass import dns.rdatatype import dns.ttl class BugsTestCase(unittest.TestCase): def test_float_LOC(self): rdata = dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.LOC, u"30 30 0.000 N 100 30 0.000 W 10.00m 20m 2000m 20m") self.failUnless(rdata.float_latitude == 30.5) self.failUnless(rdata.float_longitude == -100.5) def test_SOA_BIND8_TTL(self): rdata1 = dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.SOA, u"a b 100 1s 1m 1h 1d") rdata2 = dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.SOA, u"a b 100 1 60 3600 86400") self.failUnless(rdata1 == rdata2) def test_TTL_bounds_check(self): def bad(): dns.ttl.from_text("2147483648") self.failUnlessRaises(dns.ttl.BadTTL, bad) def test_empty_NSEC3_window(self): rdata = dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.NSEC3, u"1 0 100 ABCD SCBCQHKU35969L2A68P3AD59LHF30715") self.failUnless(rdata.windows == []) def test_zero_size_APL(self): rdata = dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.APL, "") rdata2 = dns.rdata.from_wire(dns.rdataclass.IN, dns.rdatatype.APL, "", 0, 0) self.failUnless(rdata == rdata2) def test_CAA_from_wire(self): rdata = dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.CAA, u'0 issue "ca.example.net"') f = BytesIO() rdata.to_wire(f) wire = f.getvalue() rdlen = len(wire) wire += b"trailing garbage" rdata2 = dns.rdata.from_wire(dns.rdataclass.IN, dns.rdatatype.CAA, wire, 0, rdlen) self.failUnless(rdata == rdata2) if __name__ == '__main__': unittest.main() dnspython-1.15.0/tests/test_dnssec.py0000644000076500000240000003430012770261242020262 0ustar halleystaff00000000000000# Copyright (C) 2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. from __future__ import print_function try: import unittest2 as unittest except ImportError: import unittest try: import Crypto.Util.number # pylint: disable=unused-import import_ok = True except ImportError: import_ok = False import dns.dnssec import dns.name import dns.rdata import dns.rdataclass import dns.rdatatype import dns.rrset # pylint: disable=line-too-long abs_dnspython_org = dns.name.from_text('dnspython.org') abs_keys = { abs_dnspython_org: dns.rrset.from_text( 'dnspython.org.', 3600, 'IN', 'DNSKEY', '257 3 5 AwEAAenVTr9L1OMlL1/N2ta0Qj9LLLnnmFWIr1dJoAsWM9BQfsbV7kFZ XbAkER/FY9Ji2o7cELxBwAsVBuWn6IUUAJXLH74YbC1anY0lifjgt29z SwDzuB7zmC7yVYZzUunBulVW4zT0tg1aePbpVL2EtTL8VzREqbJbE25R KuQYHZtFwG8S4iBxJUmT2Bbd0921LLxSQgVoFXlQx/gFV2+UERXcJ5ce iX6A6wc02M/pdg/YbJd2rBa0MYL3/Fz/Xltre0tqsImZGxzi6YtYDs45 NC8gH+44egz82e2DATCVM1ICPmRDjXYTLldQiWA2ZXIWnK0iitl5ue24 7EsWJefrIhE=', '256 3 5 AwEAAdSSghOGjU33IQZgwZM2Hh771VGXX05olJK49FxpSyuEAjDBXY58 LGU9R2Zgeecnk/b9EAhFu/vCV9oECtiTCvwuVAkt9YEweqYDluQInmgP NGMJCKdSLlnX93DkjDw8rMYv5dqXCuSGPlKChfTJOLQxIAxGloS7lL+c 0CTZydAF' ) } abs_keys_duplicate_keytag = { abs_dnspython_org: dns.rrset.from_text( 'dnspython.org.', 3600, 'IN', 'DNSKEY', '257 3 5 AwEAAenVTr9L1OMlL1/N2ta0Qj9LLLnnmFWIr1dJoAsWM9BQfsbV7kFZ XbAkER/FY9Ji2o7cELxBwAsVBuWn6IUUAJXLH74YbC1anY0lifjgt29z SwDzuB7zmC7yVYZzUunBulVW4zT0tg1aePbpVL2EtTL8VzREqbJbE25R KuQYHZtFwG8S4iBxJUmT2Bbd0921LLxSQgVoFXlQx/gFV2+UERXcJ5ce iX6A6wc02M/pdg/YbJd2rBa0MYL3/Fz/Xltre0tqsImZGxzi6YtYDs45 NC8gH+44egz82e2DATCVM1ICPmRDjXYTLldQiWA2ZXIWnK0iitl5ue24 7EsWJefrIhE=', '256 3 5 AwEAAdSSg++++THIS/IS/NOT/THE/CORRECT/KEY++++++++++++++++ ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ AaOSydAF', '256 3 5 AwEAAdSSghOGjU33IQZgwZM2Hh771VGXX05olJK49FxpSyuEAjDBXY58 LGU9R2Zgeecnk/b9EAhFu/vCV9oECtiTCvwuVAkt9YEweqYDluQInmgP NGMJCKdSLlnX93DkjDw8rMYv5dqXCuSGPlKChfTJOLQxIAxGloS7lL+c 0CTZydAF' ) } rel_keys = { dns.name.empty: dns.rrset.from_text( '@', 3600, 'IN', 'DNSKEY', '257 3 5 AwEAAenVTr9L1OMlL1/N2ta0Qj9LLLnnmFWIr1dJoAsWM9BQfsbV7kFZ XbAkER/FY9Ji2o7cELxBwAsVBuWn6IUUAJXLH74YbC1anY0lifjgt29z SwDzuB7zmC7yVYZzUunBulVW4zT0tg1aePbpVL2EtTL8VzREqbJbE25R KuQYHZtFwG8S4iBxJUmT2Bbd0921LLxSQgVoFXlQx/gFV2+UERXcJ5ce iX6A6wc02M/pdg/YbJd2rBa0MYL3/Fz/Xltre0tqsImZGxzi6YtYDs45 NC8gH+44egz82e2DATCVM1ICPmRDjXYTLldQiWA2ZXIWnK0iitl5ue24 7EsWJefrIhE=', '256 3 5 AwEAAdSSghOGjU33IQZgwZM2Hh771VGXX05olJK49FxpSyuEAjDBXY58 LGU9R2Zgeecnk/b9EAhFu/vCV9oECtiTCvwuVAkt9YEweqYDluQInmgP NGMJCKdSLlnX93DkjDw8rMYv5dqXCuSGPlKChfTJOLQxIAxGloS7lL+c 0CTZydAF' ) } when = 1290250287 abs_soa = dns.rrset.from_text('dnspython.org.', 3600, 'IN', 'SOA', 'howl.dnspython.org. hostmaster.dnspython.org. 2010020047 3600 1800 604800 3600') abs_other_soa = dns.rrset.from_text('dnspython.org.', 3600, 'IN', 'SOA', 'foo.dnspython.org. hostmaster.dnspython.org. 2010020047 3600 1800 604800 3600') abs_soa_rrsig = dns.rrset.from_text('dnspython.org.', 3600, 'IN', 'RRSIG', 'SOA 5 2 3600 20101127004331 20101119213831 61695 dnspython.org. sDUlltRlFTQw5ITFxOXW3TgmrHeMeNpdqcZ4EXxM9FHhIlte6V9YCnDw t6dvM9jAXdIEi03l9H/RAd9xNNW6gvGMHsBGzpvvqFQxIBR2PoiZA1mX /SWHZFdbt4xjYTtXqpyYvrMK0Dt7bUYPadyhPFCJ1B+I8Zi7B5WJEOd0 8vs=') rel_soa = dns.rrset.from_text('@', 3600, 'IN', 'SOA', 'howl hostmaster 2010020047 3600 1800 604800 3600') rel_other_soa = dns.rrset.from_text('@', 3600, 'IN', 'SOA', 'foo hostmaster 2010020047 3600 1800 604800 3600') rel_soa_rrsig = dns.rrset.from_text('@', 3600, 'IN', 'RRSIG', 'SOA 5 2 3600 20101127004331 20101119213831 61695 @ sDUlltRlFTQw5ITFxOXW3TgmrHeMeNpdqcZ4EXxM9FHhIlte6V9YCnDw t6dvM9jAXdIEi03l9H/RAd9xNNW6gvGMHsBGzpvvqFQxIBR2PoiZA1mX /SWHZFdbt4xjYTtXqpyYvrMK0Dt7bUYPadyhPFCJ1B+I8Zi7B5WJEOd0 8vs=') sep_key = dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.DNSKEY, '257 3 5 AwEAAenVTr9L1OMlL1/N2ta0Qj9LLLnnmFWIr1dJoAsWM9BQfsbV7kFZ XbAkER/FY9Ji2o7cELxBwAsVBuWn6IUUAJXLH74YbC1anY0lifjgt29z SwDzuB7zmC7yVYZzUunBulVW4zT0tg1aePbpVL2EtTL8VzREqbJbE25R KuQYHZtFwG8S4iBxJUmT2Bbd0921LLxSQgVoFXlQx/gFV2+UERXcJ5ce iX6A6wc02M/pdg/YbJd2rBa0MYL3/Fz/Xltre0tqsImZGxzi6YtYDs45 NC8gH+44egz82e2DATCVM1ICPmRDjXYTLldQiWA2ZXIWnK0iitl5ue24 7EsWJefrIhE=') good_ds = dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.DS, '57349 5 2 53A79A3E7488AB44FFC56B2D1109F0699D1796DD977E72108B841F96 E47D7013') when2 = 1290425644 abs_example = dns.name.from_text('example') abs_dsa_keys = { abs_example: dns.rrset.from_text( 'example.', 86400, 'IN', 'DNSKEY', '257 3 3 CI3nCqyJsiCJHTjrNsJOT4RaszetzcJPYuoH3F9ZTVt3KJXncCVR3bwn 1w0iavKljb9hDlAYSfHbFCp4ic/rvg4p1L8vh5s8ToMjqDNl40A0hUGQ Ybx5hsECyK+qHoajilUX1phYSAD8d9WAGO3fDWzUPBuzR7o85NiZCDxz yXuNVfni0uhj9n1KYhEO5yAbbruDGN89wIZcxMKuQsdUY2GYD93ssnBv a55W6XRABYWayKZ90WkRVODLVYLSn53Pj/wwxGH+XdhIAZJXimrZL4yl My7rtBsLMqq8Ihs4Tows7LqYwY7cp6y/50tw6pj8tFqMYcPUjKZV36l1 M/2t5BVg3i7IK61Aidt6aoC3TDJtzAxg3ZxfjZWJfhHjMJqzQIfbW5b9 q1mjFsW5EUv39RaNnX+3JWPRLyDqD4pIwDyqfutMsdk/Py3paHn82FGp CaOg+nicqZ9TiMZURN/XXy5JoXUNQ3RNvbHCUiPUe18KUkY6mTfnyHld 1l9YCWmzXQVClkx/hOYxjJ4j8Ife58+Obu5X', '256 3 3 CJE1yb9YRQiw5d2xZrMUMR+cGCTt1bp1KDCefmYKmS+Z1+q9f42ETVhx JRiQwXclYwmxborzIkSZegTNYIV6mrYwbNB27Q44c3UGcspb3PiOw5TC jNPRYEcdwGvDZ2wWy+vkSV/S9tHXY8O6ODiE6abZJDDg/RnITyi+eoDL R3KZ5n/V1f1T1b90rrV6EewhBGQJpQGDogaXb2oHww9Tm6NfXyo7SoMM pbwbzOckXv+GxRPJIQNSF4D4A9E8XCksuzVVdE/0lr37+uoiAiPia38U 5W2QWe/FJAEPLjIp2eTzf0TrADc1pKP1wrA2ASpdzpm/aX3IB5RPp8Ew S9U72eBFZJAUwg635HxJVxH1maG6atzorR566E+e0OZSaxXS9o1o6QqN 3oPlYLGPORDiExilKfez3C/x/yioOupW9K5eKF0gmtaqrHX0oq9s67f/ RIM2xVaKHgG9Vf2cgJIZkhv7sntujr+E4htnRmy9P9BxyFxsItYxPI6Z bzygHAZpGhlI/7ltEGlIwKxyTK3ZKBm67q7B' ) } abs_dsa_soa = dns.rrset.from_text('example.', 86400, 'IN', 'SOA', 'ns1.example. hostmaster.example. 2 10800 3600 604800 86400') abs_other_dsa_soa = dns.rrset.from_text('example.', 86400, 'IN', 'SOA', 'ns1.example. hostmaster.example. 2 10800 3600 604800 86401') abs_dsa_soa_rrsig = dns.rrset.from_text('example.', 86400, 'IN', 'RRSIG', 'SOA 3 1 86400 20101129143231 20101122112731 42088 example. CGul9SuBofsktunV8cJs4eRs6u+3NCS3yaPKvBbD+pB2C76OUXDZq9U=') example_sep_key = dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.DNSKEY, '257 3 3 CI3nCqyJsiCJHTjrNsJOT4RaszetzcJPYuoH3F9ZTVt3KJXncCVR3bwn 1w0iavKljb9hDlAYSfHbFCp4ic/rvg4p1L8vh5s8ToMjqDNl40A0hUGQ Ybx5hsECyK+qHoajilUX1phYSAD8d9WAGO3fDWzUPBuzR7o85NiZCDxz yXuNVfni0uhj9n1KYhEO5yAbbruDGN89wIZcxMKuQsdUY2GYD93ssnBv a55W6XRABYWayKZ90WkRVODLVYLSn53Pj/wwxGH+XdhIAZJXimrZL4yl My7rtBsLMqq8Ihs4Tows7LqYwY7cp6y/50tw6pj8tFqMYcPUjKZV36l1 M/2t5BVg3i7IK61Aidt6aoC3TDJtzAxg3ZxfjZWJfhHjMJqzQIfbW5b9 q1mjFsW5EUv39RaNnX+3JWPRLyDqD4pIwDyqfutMsdk/Py3paHn82FGp CaOg+nicqZ9TiMZURN/XXy5JoXUNQ3RNvbHCUiPUe18KUkY6mTfnyHld 1l9YCWmzXQVClkx/hOYxjJ4j8Ife58+Obu5X') example_ds_sha1 = dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.DS, '18673 3 1 71b71d4f3e11bbd71b4eff12cde69f7f9215bbe7') example_ds_sha256 = dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.DS, '18673 3 2 eb8344cbbf07c9d3d3d6c81d10c76653e28d8611a65e639ef8f716e4e4e5d913') when3 = 1379801800 abs_ecdsa256_keys = { abs_example: dns.rrset.from_text( 'example.', 86400, 'IN', 'DNSKEY', "256 3 13 +3ss1sCpdARVA61DJigEsL/8quo2a8MszKtn2gkkfxgzFs8S2UHtpb4N fY+XFmNW+JK6MsCkI3jHYN8eEQUgMw==", "257 3 13 eJCEVH7AS3wnoaQpaNlAXH0W8wxymtT9P6P3qjN2ZCV641ED8pF7wZ5V yWfOpgTs6oaZevbJgehl/GaRPUgVyQ==" ) } abs_ecdsa256_soa = dns.rrset.from_text('example.', 86400, 'IN', 'SOA', 'ns1.example. hostmaster.example. 4 10800 3600 604800 86400') abs_other_ecdsa256_soa = dns.rrset.from_text('example.', 86400, 'IN', 'SOA', 'ns1.example. hostmaster.example. 2 10800 3600 604800 86401') abs_ecdsa256_soa_rrsig = dns.rrset.from_text('example.', 86400, 'IN', 'RRSIG', "SOA 13 1 86400 20130921221753 20130921221638 7460 example. Sm09SOGz1ULB5D/duwdE2Zpn8bWbVBM77H6N1wPkc42LevvVO+kZEjpq 2nq4GOMJcih52667GIAbMrwmU5P2MQ==") when4 = 1379804850 abs_ecdsa384_keys = { abs_example: dns.rrset.from_text( 'example.', 86400, 'IN', 'DNSKEY', "256 3 14 1bG8qWviKNXQX3BIuG6/T5jrP1FISiLW/8qGF6BsM9DQtWYhhZUA3Owr OAEiyHAhQwjkN2kTvWiAYoPN80Ii+5ff9/atzY4F9W50P4l75Dj9PYrL HN/hLUgWMNVc9pvA", "257 3 14 mSub2n0KRt6u2FaD5XJ3oQu0R4XvB/9vUJcyW6+oo0y+KzfQeTdkf1ro ZMVKoyWXW9zUKBYGJpMUIdbAxzrYi7f5HyZ3yDpBFz1hw9+o3CX+gtgb +RyhHfJDwwFXBid9" ) } abs_ecdsa384_soa = dns.rrset.from_text('example.', 86400, 'IN', 'SOA', 'ns1.example. hostmaster.example. 2 10800 3600 604800 86400') abs_other_ecdsa384_soa = dns.rrset.from_text('example.', 86400, 'IN', 'SOA', 'ns1.example. hostmaster.example. 2 10800 3600 604800 86401') abs_ecdsa384_soa_rrsig = dns.rrset.from_text('example.', 86400, 'IN', 'RRSIG', "SOA 14 1 86400 20130929021229 20130921230729 63571 example. CrnCu34EeeRz0fEhL9PLlwjpBKGYW8QjBjFQTwd+ViVLRAS8tNkcDwQE NhSV89NEjj7ze1a/JcCfcJ+/mZgnvH4NHLNg3Tf6KuLZsgs2I4kKQXEk 37oIHravPEOlGYNI") @unittest.skipUnless(import_ok, "skipping DNSSEC tests because pycrypto is not" " installed") class DNSSECValidatorTestCase(unittest.TestCase): @unittest.skipUnless(dns.dnssec._have_pycrypto, "PyCrypto cannot be imported") def testAbsoluteRSAGood(self): dns.dnssec.validate(abs_soa, abs_soa_rrsig, abs_keys, None, when) @unittest.skipUnless(dns.dnssec._have_pycrypto, "PyCrypto cannot be imported") def testDuplicateKeytag(self): dns.dnssec.validate(abs_soa, abs_soa_rrsig, abs_keys_duplicate_keytag, None, when) @unittest.skipUnless(dns.dnssec._have_pycrypto, "PyCrypto cannot be imported") def testAbsoluteRSABad(self): def bad(): dns.dnssec.validate(abs_other_soa, abs_soa_rrsig, abs_keys, None, when) self.failUnlessRaises(dns.dnssec.ValidationFailure, bad) @unittest.skipUnless(dns.dnssec._have_pycrypto, "PyCrypto cannot be imported") def testRelativeRSAGood(self): dns.dnssec.validate(rel_soa, rel_soa_rrsig, rel_keys, abs_dnspython_org, when) @unittest.skipUnless(dns.dnssec._have_pycrypto, "PyCrypto cannot be imported") def testRelativeRSABad(self): def bad(): dns.dnssec.validate(rel_other_soa, rel_soa_rrsig, rel_keys, abs_dnspython_org, when) self.failUnlessRaises(dns.dnssec.ValidationFailure, bad) def testMakeSHA256DS(self): ds = dns.dnssec.make_ds(abs_dnspython_org, sep_key, 'SHA256') self.failUnless(ds == good_ds) @unittest.skipUnless(dns.dnssec._have_pycrypto, "PyCrypto cannot be imported") def testAbsoluteDSAGood(self): dns.dnssec.validate(abs_dsa_soa, abs_dsa_soa_rrsig, abs_dsa_keys, None, when2) @unittest.skipUnless(dns.dnssec._have_pycrypto, "PyCrypto cannot be imported") def testAbsoluteDSABad(self): def bad(): dns.dnssec.validate(abs_other_dsa_soa, abs_dsa_soa_rrsig, abs_dsa_keys, None, when2) self.failUnlessRaises(dns.dnssec.ValidationFailure, bad) def testMakeExampleSHA1DS(self): ds = dns.dnssec.make_ds(abs_example, example_sep_key, 'SHA1') self.failUnless(ds == example_ds_sha1) def testMakeExampleSHA256DS(self): ds = dns.dnssec.make_ds(abs_example, example_sep_key, 'SHA256') self.failUnless(ds == example_ds_sha256) @unittest.skipUnless(dns.dnssec._have_ecdsa, "python ECDSA cannot be imported") def testAbsoluteECDSA256Good(self): dns.dnssec.validate(abs_ecdsa256_soa, abs_ecdsa256_soa_rrsig, abs_ecdsa256_keys, None, when3) @unittest.skipUnless(dns.dnssec._have_ecdsa, "python ECDSA cannot be imported") def testAbsoluteECDSA256Bad(self): def bad(): dns.dnssec.validate(abs_other_ecdsa256_soa, abs_ecdsa256_soa_rrsig, abs_ecdsa256_keys, None, when3) self.failUnlessRaises(dns.dnssec.ValidationFailure, bad) @unittest.skipUnless(dns.dnssec._have_ecdsa, "python ECDSA cannot be imported") def testAbsoluteECDSA384Good(self): dns.dnssec.validate(abs_ecdsa384_soa, abs_ecdsa384_soa_rrsig, abs_ecdsa384_keys, None, when4) @unittest.skipUnless(dns.dnssec._have_ecdsa, "python ECDSA cannot be imported") def testAbsoluteECDSA384Bad(self): def bad(): dns.dnssec.validate(abs_other_ecdsa384_soa, abs_ecdsa384_soa_rrsig, abs_ecdsa384_keys, None, when4) self.failUnlessRaises(dns.dnssec.ValidationFailure, bad) if __name__ == '__main__': unittest.main() dnspython-1.15.0/tests/test_exceptions.py0000644000076500000240000000420612770261242021166 0ustar halleystaff00000000000000# Copyright (C) 2006, 2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. try: import unittest2 as unittest except ImportError: import unittest from dns.exception import DNSException class FormatedError(DNSException): fmt = "Custom format: {parameter}" supp_kwargs = set(['parameter']) class ExceptionTestCase(unittest.TestCase): def test_custom_message(self): msg = "this is a custom message" try: raise DNSException(msg) except DNSException as ex: self.assertEqual(str(ex), msg) def test_implicit_message(self): try: raise DNSException() except DNSException as ex: self.assertEqual(ex.__class__.__doc__, str(ex)) def test_formatted_error(self): """Exceptions with explicit format has to respect it.""" params = {'parameter': 'value'} try: raise FormatedError(**params) except FormatedError as ex: msg = FormatedError.fmt.format(**params) self.assertEqual(msg, str(ex)) def test_kwargs_only(self): """Kwargs cannot be combined with args.""" with self.assertRaises(AssertionError): raise FormatedError(1, a=2) def test_kwargs_unsupported(self): """Only supported kwargs are accepted.""" with self.assertRaises(AssertionError): raise FormatedError(unsupported=2) if __name__ == '__main__': unittest.main() dnspython-1.15.0/tests/test_flags.py0000644000076500000240000000415112770261242020100 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. try: import unittest2 as unittest except ImportError: import unittest import dns.flags import dns.rcode import dns.opcode class FlagsTestCase(unittest.TestCase): def test_rcode1(self): self.failUnless(dns.rcode.from_text('FORMERR') == dns.rcode.FORMERR) def test_rcode2(self): self.failUnless(dns.rcode.to_text(dns.rcode.FORMERR) == "FORMERR") def test_rcode3(self): self.failUnless(dns.rcode.to_flags(dns.rcode.FORMERR) == (1, 0)) def test_rcode4(self): self.failUnless(dns.rcode.to_flags(dns.rcode.BADVERS) == \ (0, 0x01000000)) def test_rcode6(self): self.failUnless(dns.rcode.from_flags(0, 0x01000000) == \ dns.rcode.BADVERS) def test_rcode7(self): self.failUnless(dns.rcode.from_flags(5, 0) == dns.rcode.REFUSED) def test_rcode8(self): def bad(): dns.rcode.to_flags(4096) self.failUnlessRaises(ValueError, bad) def test_flags1(self): self.failUnless(dns.flags.from_text("RA RD AA QR") == \ dns.flags.QR|dns.flags.AA|dns.flags.RD|dns.flags.RA) def test_flags2(self): flags = dns.flags.QR|dns.flags.AA|dns.flags.RD|dns.flags.RA self.failUnless(dns.flags.to_text(flags) == "QR AA RD RA") if __name__ == '__main__': unittest.main() dnspython-1.15.0/tests/test_generate.py0000644000076500000240000004773012770261242020610 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. import sys sys.path.insert(0, '../') # Force the local project to be *the* dns try: import unittest2 as unittest except ImportError: import unittest import dns.exception import dns.rdata import dns.rdataclass import dns.rdatatype import dns.rrset import dns.zone from dns._compat import long import pprint pp = pprint.PrettyPrinter(indent=2) example_text = """$TTL 1h $ORIGIN 0.0.192.IN-ADDR.ARPA. $GENERATE 1-2 0 CNAME SERVER$.EXAMPLE. """ example_text1 = """$TTL 1h $ORIGIN 0.0.192.IN-ADDR.ARPA. $GENERATE 1-10 fooo$ CNAME $.0 """ example_text2 = """$TTL 1h @ 3600 IN SOA foo bar 1 2 3 4 5 @ 3600 IN NS ns1 @ 3600 IN NS ns2 bar.foo 300 IN MX 0 blaz.foo ns1 3600 IN A 10.0.0.1 ns2 3600 IN A 10.0.0.2 $GENERATE 3-5 foo$ A 10.0.0.$ """ example_text3 = """$TTL 1h @ 3600 IN SOA foo bar 1 2 3 4 5 @ 3600 IN NS ns1 @ 3600 IN NS ns2 bar.foo 300 IN MX 0 blaz.foo ns1 3600 IN A 10.0.0.1 ns2 3600 IN A 10.0.0.2 $GENERATE 4-8/2 foo$ A 10.0.0.$ """ example_text4 = """$TTL 1h @ 3600 IN SOA foo bar 1 2 3 4 5 @ 3600 IN NS ns1 @ 3600 IN NS ns2 bar.foo 300 IN MX 0 blaz.foo ns1 3600 IN A 10.0.0.1 ns2 3600 IN A 10.0.0.2 $GENERATE 11-13 wp-db${-10,2,d}.services.mozilla.com 0 CNAME SERVER.FOOBAR. """ example_text5 = """$TTL 1h @ 3600 IN SOA foo bar 1 2 3 4 5 @ 3600 IN NS ns1 @ 3600 IN NS ns2 bar.foo 300 IN MX 0 blaz.foo ns1 3600 IN A 10.0.0.1 ns2 3600 IN A 10.0.0.2 $GENERATE 11-13 wp-db${10,2,d}.services.mozilla.com 0 CNAME SERVER.FOOBAR. """ example_text6 = """$TTL 1h @ 3600 IN SOA foo bar 1 2 3 4 5 @ 3600 IN NS ns1 @ 3600 IN NS ns2 bar.foo 300 IN MX 0 blaz.foo ns1 3600 IN A 10.0.0.1 ns2 3600 IN A 10.0.0.2 $GENERATE 11-13 wp-db${+10,2,d}.services.mozilla.com 0 CNAME SERVER.FOOBAR. """ example_text7 = """$TTL 1h @ 3600 IN SOA foo bar 1 2 3 4 5 @ 3600 IN NS ns1 @ 3600 IN NS ns2 bar.foo 300 IN MX 0 blaz.foo ns1 3600 IN A 10.0.0.1 ns2 3600 IN A 10.0.0.2 $GENERATE 11-13 sync${-10}.db IN A 10.10.16.0 """ example_text8 = """$TTL 1h @ 3600 IN SOA foo bar 1 2 3 4 5 @ 3600 IN NS ns1 @ 3600 IN NS ns2 bar.foo 300 IN MX 0 blaz.foo ns1 3600 IN A 10.0.0.1 ns2 3600 IN A 10.0.0.2 $GENERATE 11-12 wp-db${-10,2,d} IN A 10.10.16.0 """ example_text9 = """$TTL 1h @ 3600 IN SOA foo bar 1 2 3 4 5 @ 3600 IN NS ns1 @ 3600 IN NS ns2 bar.foo 300 IN MX 0 blaz.foo ns1 3600 IN A 10.0.0.1 ns2 3600 IN A 10.0.0.2 $GENERATE 11-12 wp-db${-10,2,d} IN A 10.10.16.0 $GENERATE 11-13 sync${-10}.db IN A 10.10.16.0 """ example_text10 = """$TTL 1h @ 3600 IN SOA foo bar 1 2 3 4 5 @ 3600 IN NS ns1 @ 3600 IN NS ns2 bar.foo 300 IN MX 0 blaz.foo ns1 3600 IN A 10.0.0.1 ns2 3600 IN A 10.0.0.2 $GENERATE 27-28 $.2 PTR zlb${-26}.oob """ def _rdata_sort(a): return (a[0], a[2].rdclass, a[2].to_text()) class GenerateTestCase(unittest.TestCase): def testFromText(self): def bad(): dns.zone.from_text(example_text, 'example.', relativize=True) self.failUnlessRaises(dns.zone.NoSOA, bad) def testFromText1(self): def bad(): dns.zone.from_text(example_text1, 'example.', relativize=True) self.failUnlessRaises(dns.zone.NoSOA, bad) def testIterateAllRdatas2(self): z = dns.zone.from_text(example_text2, 'example.', relativize=True) l = list(z.iterate_rdatas()) l.sort(key=_rdata_sort) exl = [(dns.name.from_text('@', None), 3600, dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.NS, 'ns1')), (dns.name.from_text('@', None), 3600, dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.NS, 'ns2')), (dns.name.from_text('@', None), 3600, dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.SOA, 'foo bar 1 2 3 4 5')), (dns.name.from_text('bar.foo', None), 300, dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.MX, '0 blaz.foo')), (dns.name.from_text('ns1', None), 3600, dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.A, '10.0.0.1')), (dns.name.from_text('ns2', None), 3600, dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.A, '10.0.0.2')), (dns.name.from_text('foo3', None), 3600, dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.A, '10.0.0.3')), (dns.name.from_text('foo4', None), 3600, dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.A, '10.0.0.4')), (dns.name.from_text('foo5', None), 3600, dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.A, '10.0.0.5'))] exl.sort(key=_rdata_sort) self.failUnless(l == exl) def testIterateAllRdatas3(self): z = dns.zone.from_text(example_text3, 'example.', relativize=True) l = list(z.iterate_rdatas()) l.sort(key=_rdata_sort) exl = [(dns.name.from_text('@', None), 3600, dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.NS, 'ns1')), (dns.name.from_text('@', None), 3600, dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.NS, 'ns2')), (dns.name.from_text('@', None), 3600, dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.SOA, 'foo bar 1 2 3 4 5')), (dns.name.from_text('bar.foo', None), 300, dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.MX, '0 blaz.foo')), (dns.name.from_text('ns1', None), 3600, dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.A, '10.0.0.1')), (dns.name.from_text('ns2', None), 3600, dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.A, '10.0.0.2')), (dns.name.from_text('foo4', None), 3600, dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.A, '10.0.0.4')), (dns.name.from_text('foo6', None), 3600, dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.A, '10.0.0.6')), (dns.name.from_text('foo8', None), 3600, dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.A, '10.0.0.8'))] exl.sort(key=_rdata_sort) self.failUnless(l == exl) def testGenerate1(self): z = dns.zone.from_text(example_text4, 'example.', relativize=True) l = list(z.iterate_rdatas()) l.sort(key=_rdata_sort) exl = [(dns.name.from_text('@', None), long(3600), dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.NS, 'ns1')), (dns.name.from_text('@', None), long(3600), dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.NS, 'ns2')), (dns.name.from_text('@', None), long(3600), dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.SOA, 'foo bar 1 2 3 4 5')), (dns.name.from_text('bar.foo', None), long(300), dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.MX, '0 blaz.foo')), (dns.name.from_text('ns1', None), long(3600), dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.A, '10.0.0.1')), (dns.name.from_text('ns2', None), long(3600), dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.A, '10.0.0.2')), (dns.name.from_text('wp-db01.services.mozilla.com', None), long(0), dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.CNAME, 'SERVER.FOOBAR.')), (dns.name.from_text('wp-db02.services.mozilla.com', None), long(0), dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.CNAME, 'SERVER.FOOBAR.')), (dns.name.from_text('wp-db03.services.mozilla.com', None), long(0), dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.CNAME, 'SERVER.FOOBAR.'))] exl.sort(key=_rdata_sort) self.assertEqual(l, exl) def testGenerate2(self): z = dns.zone.from_text(example_text5, 'example.', relativize=True) l = list(z.iterate_rdatas()) l.sort(key=_rdata_sort) exl = [(dns.name.from_text('@', None), long(3600), dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.NS, 'ns1')), (dns.name.from_text('@', None), long(3600), dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.NS, 'ns2')), (dns.name.from_text('@', None), long(3600), dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.SOA, 'foo bar 1 2 3 4 5')), (dns.name.from_text('bar.foo', None), long(300), dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.MX, '0 blaz.foo')), (dns.name.from_text('ns1', None), long(3600), dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.A, '10.0.0.1')), (dns.name.from_text('ns2', None), long(3600), dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.A, '10.0.0.2')), (dns.name.from_text('wp-db21.services.mozilla.com', None), long(0), dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.CNAME, 'SERVER.FOOBAR.')), (dns.name.from_text('wp-db22.services.mozilla.com', None), long(0), dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.CNAME, 'SERVER.FOOBAR.')), (dns.name.from_text('wp-db23.services.mozilla.com', None), long(0), dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.CNAME, 'SERVER.FOOBAR.'))] exl.sort(key=_rdata_sort) self.failUnless(l == exl) def testGenerate3(self): z = dns.zone.from_text(example_text6, 'example.', relativize=True) l = list(z.iterate_rdatas()) l.sort(key=_rdata_sort) exl = [(dns.name.from_text('@', None), long(3600), dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.NS, 'ns1')), (dns.name.from_text('@', None), long(3600), dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.NS, 'ns2')), (dns.name.from_text('@', None), long(3600), dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.SOA, 'foo bar 1 2 3 4 5')), (dns.name.from_text('bar.foo', None), long(300), dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.MX, '0 blaz.foo')), (dns.name.from_text('ns1', None), long(3600), dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.A, '10.0.0.1')), (dns.name.from_text('ns2', None), long(3600), dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.A, '10.0.0.2')), (dns.name.from_text('wp-db21.services.mozilla.com', None), long(0), dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.CNAME, 'SERVER.FOOBAR.')), (dns.name.from_text('wp-db22.services.mozilla.com', None), long(0), dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.CNAME, 'SERVER.FOOBAR.')), (dns.name.from_text('wp-db23.services.mozilla.com', None), long(0), dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.CNAME, 'SERVER.FOOBAR.'))] exl.sort(key=_rdata_sort) self.failUnless(l == exl) def testGenerate4(self): z = dns.zone.from_text(example_text7, 'example.', relativize=True) l = list(z.iterate_rdatas()) l.sort(key=_rdata_sort) exl = [(dns.name.from_text('@', None), long(3600), dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.NS, 'ns1')), (dns.name.from_text('@', None), long(3600), dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.NS, 'ns2')), (dns.name.from_text('@', None), long(3600), dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.SOA, 'foo bar 1 2 3 4 5')), (dns.name.from_text('bar.foo', None), long(300), dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.MX, '0 blaz.foo')), (dns.name.from_text('ns1', None), long(3600), dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.A, '10.0.0.1')), (dns.name.from_text('ns2', None), long(3600), dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.A, '10.0.0.2')), (dns.name.from_text('sync1.db', None), long(3600), dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.A, '10.10.16.0')), (dns.name.from_text('sync2.db', None), long(3600), dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.A, '10.10.16.0')), (dns.name.from_text('sync3.db', None), long(3600), dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.A, '10.10.16.0'))] exl.sort(key=_rdata_sort) self.failUnless(l == exl) def testGenerate6(self): z = dns.zone.from_text(example_text9, 'example.', relativize=True) l = list(z.iterate_rdatas()) l.sort(key=_rdata_sort) exl = [(dns.name.from_text('@', None), long(3600), dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.NS, 'ns1')), (dns.name.from_text('@', None), long(3600), dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.NS, 'ns2')), (dns.name.from_text('@', None), long(3600), dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.SOA, 'foo bar 1 2 3 4 5')), (dns.name.from_text('bar.foo', None), long(300), dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.MX, '0 blaz.foo')), (dns.name.from_text('ns1', None), long(3600), dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.A, '10.0.0.1')), (dns.name.from_text('ns2', None), long(3600), dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.A, '10.0.0.2')), (dns.name.from_text('wp-db01', None), long(3600), dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.A, '10.10.16.0')), (dns.name.from_text('wp-db02', None), long(3600), dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.A, '10.10.16.0')), (dns.name.from_text('sync1.db', None), long(3600), dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.A, '10.10.16.0')), (dns.name.from_text('sync2.db', None), long(3600), dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.A, '10.10.16.0')), (dns.name.from_text('sync3.db', None), long(3600), dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.A, '10.10.16.0'))] exl.sort(key=_rdata_sort) self.failUnless(l == exl) def testGenerate7(self): z = dns.zone.from_text(example_text10, 'example.', relativize=True) l = list(z.iterate_rdatas()) l.sort(key=_rdata_sort) exl = [(dns.name.from_text('@', None), long(3600), dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.NS, 'ns1')), (dns.name.from_text('@', None), long(3600), dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.NS, 'ns2')), (dns.name.from_text('@', None), long(3600), dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.SOA, 'foo bar 1 2 3 4 5')), (dns.name.from_text('bar.foo', None), long(300), dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.MX, '0 blaz.foo')), (dns.name.from_text('ns1', None), long(3600), dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.A, '10.0.0.1')), (dns.name.from_text('ns2', None), long(3600), dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.A, '10.0.0.2')), (dns.name.from_text('27.2', None), long(3600), dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.PTR, 'zlb1.oob')), (dns.name.from_text('28.2', None), long(3600), dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.PTR, 'zlb2.oob'))] exl.sort(key=_rdata_sort) self.failUnless(l == exl) if __name__ == '__main__': unittest.main() dnspython-1.15.0/tests/test_grange.py0000644000076500000240000000554412770261242020256 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. import sys sys.path.insert(0, '../') try: import unittest2 as unittest except ImportError: import unittest import dns import dns.exception import dns.grange class GRangeTestCase(unittest.TestCase): def testFromText1(self): start, stop, step = dns.grange.from_text('1-1') self.assertEqual(start, 1) self.assertEqual(stop, 1) self.assertEqual(step, 1) def testFromText2(self): start, stop, step = dns.grange.from_text('1-4') self.assertEqual(start, 1) self.assertEqual(stop, 4) self.assertEqual(step, 1) def testFromText3(self): start, stop, step = dns.grange.from_text('4-255') self.assertEqual(start, 4) self.assertEqual(stop, 255) self.assertEqual(step, 1) def testFromText4(self): start, stop, step = dns.grange.from_text('1-1/1') self.assertEqual(start, 1) self.assertEqual(stop, 1) self.assertEqual(step, 1) def testFromText5(self): start, stop, step = dns.grange.from_text('1-4/2') self.assertEqual(start, 1) self.assertEqual(stop, 4) self.assertEqual(step, 2) def testFromText6(self): start, stop, step = dns.grange.from_text('4-255/77') self.assertEqual(start, 4) self.assertEqual(stop, 255) self.assertEqual(step, 77) def testFailFromText1(self): def bad(): start = 2 stop = 1 step = 1 dns.grange.from_text('%d-%d/%d' % (start, stop, step)) self.assertRaises(AssertionError, bad) def testFailFromText2(self): def bad(): start = '-1' stop = 3 step = 1 dns.grange.from_text('%s-%d/%d' % (start, stop, step)) self.assertRaises(dns.exception.SyntaxError, bad) def testFailFromText3(self): def bad(): start = 1 stop = 4 step = '-2' dns.grange.from_text('%d-%d/%s' % (start, stop, step)) self.assertRaises(dns.exception.SyntaxError, bad) if __name__ == '__main__': unittest.main() dnspython-1.15.0/tests/test_message.py0000644000076500000240000001445412770261242020437 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. try: import unittest2 as unittest except ImportError: import unittest import binascii import dns.exception import dns.flags import dns.message from dns._compat import xrange query_text = """id 1234 opcode QUERY rcode NOERROR flags RD edns 0 eflags DO payload 4096 ;QUESTION wwww.dnspython.org. IN A ;ANSWER ;AUTHORITY ;ADDITIONAL""" goodhex = b'04d201000001000000000001047777777709646e73707974686f6e' \ b'036f726700000100010000291000000080000000' goodwire = binascii.unhexlify(goodhex) answer_text = """id 1234 opcode QUERY rcode NOERROR flags QR AA RD ;QUESTION dnspython.org. IN SOA ;ANSWER dnspython.org. 3600 IN SOA woof.dnspython.org. hostmaster.dnspython.org. 2003052700 3600 1800 604800 3600 ;AUTHORITY dnspython.org. 3600 IN NS ns1.staff.nominum.org. dnspython.org. 3600 IN NS ns2.staff.nominum.org. dnspython.org. 3600 IN NS woof.play-bow.org. ;ADDITIONAL woof.play-bow.org. 3600 IN A 204.152.186.150 """ goodhex2 = '04d2 8500 0001 0001 0003 0001' \ '09646e73707974686f6e036f726700 0006 0001' \ 'c00c 0006 0001 00000e10 0028 ' \ '04776f6f66c00c 0a686f73746d6173746572c00c' \ '7764289c 00000e10 00000708 00093a80 00000e10' \ 'c00c 0002 0001 00000e10 0014' \ '036e7331057374616666076e6f6d696e756dc016' \ 'c00c 0002 0001 00000e10 0006 036e7332c063' \ 'c00c 0002 0001 00000e10 0010 04776f6f6608706c61792d626f77c016' \ 'c091 0001 0001 00000e10 0004 cc98ba96' goodwire2 = binascii.unhexlify(goodhex2.replace(' ', '').encode()) query_text_2 = """id 1234 opcode QUERY rcode 4095 flags RD edns 0 eflags DO payload 4096 ;QUESTION wwww.dnspython.org. IN A ;ANSWER ;AUTHORITY ;ADDITIONAL""" goodhex3 = b'04d2010f0001000000000001047777777709646e73707974686f6e' \ b'036f726700000100010000291000ff0080000000' goodwire3 = binascii.unhexlify(goodhex3) class MessageTestCase(unittest.TestCase): def test_comparison_eq1(self): q1 = dns.message.from_text(query_text) q2 = dns.message.from_text(query_text) self.failUnless(q1 == q2) def test_comparison_ne1(self): q1 = dns.message.from_text(query_text) q2 = dns.message.from_text(query_text) q2.id = 10 self.failUnless(q1 != q2) def test_comparison_ne2(self): q1 = dns.message.from_text(query_text) q2 = dns.message.from_text(query_text) q2.question = [] self.failUnless(q1 != q2) def test_comparison_ne3(self): q1 = dns.message.from_text(query_text) self.failUnless(q1 != 1) def test_EDNS_to_wire1(self): q = dns.message.from_text(query_text) w = q.to_wire() self.failUnless(w == goodwire) def test_EDNS_from_wire1(self): m = dns.message.from_wire(goodwire) self.assertEqual(str(m), query_text) def test_EDNS_to_wire2(self): q = dns.message.from_text(query_text_2) w = q.to_wire() self.failUnless(w == goodwire3) def test_EDNS_from_wire2(self): m = dns.message.from_wire(goodwire3) self.failUnless(str(m) == query_text_2) def test_TooBig(self): def bad(): q = dns.message.from_text(query_text) for i in xrange(0, 25): rrset = dns.rrset.from_text('foo%d.' % i, 3600, dns.rdataclass.IN, dns.rdatatype.A, '10.0.0.%d' % i) q.additional.append(rrset) q.to_wire(max_size=512) self.failUnlessRaises(dns.exception.TooBig, bad) def test_answer1(self): a = dns.message.from_text(answer_text) wire = a.to_wire(want_shuffle=False) self.failUnless(wire == goodwire2) def test_TrailingJunk(self): def bad(): badwire = goodwire + b'\x00' dns.message.from_wire(badwire) self.failUnlessRaises(dns.message.TrailingJunk, bad) def test_ShortHeader(self): def bad(): badwire = b'\x00' * 11 dns.message.from_wire(badwire) self.failUnlessRaises(dns.message.ShortHeader, bad) def test_RespondingToResponse(self): def bad(): q = dns.message.make_query('foo', 'A') r1 = dns.message.make_response(q) dns.message.make_response(r1) self.failUnlessRaises(dns.exception.FormError, bad) def test_ExtendedRcodeSetting(self): m = dns.message.make_query('foo', 'A') m.set_rcode(4095) self.failUnless(m.rcode() == 4095) m.set_rcode(2) self.failUnless(m.rcode() == 2) def test_EDNSVersionCoherence(self): m = dns.message.make_query('foo', 'A') m.use_edns(1) self.failUnless((m.ednsflags >> 16) & 0xFF == 1) def test_SettingNoEDNSOptionsImpliesNoEDNS(self): m = dns.message.make_query('foo', 'A') self.failUnless(m.edns == -1) def test_SettingEDNSFlagsImpliesEDNS(self): m = dns.message.make_query('foo', 'A', ednsflags=dns.flags.DO) self.failUnless(m.edns == 0) def test_SettingEDNSPayloadImpliesEDNS(self): m = dns.message.make_query('foo', 'A', payload=4096) self.failUnless(m.edns == 0) def test_SettingEDNSRequestPayloadImpliesEDNS(self): m = dns.message.make_query('foo', 'A', request_payload=4096) self.failUnless(m.edns == 0) def test_SettingOptionsImpliesEDNS(self): m = dns.message.make_query('foo', 'A', options=[]) self.failUnless(m.edns == 0) if __name__ == '__main__': unittest.main() dnspython-1.15.0/tests/test_name.py0000644000076500000240000007004512773230733017735 0ustar halleystaff00000000000000# -*- coding: utf-8 # Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. from __future__ import print_function try: import unittest2 as unittest except ImportError: import unittest from io import BytesIO import dns.name import dns.reversename import dns.e164 # pylint: disable=line-too-long class NameTestCase(unittest.TestCase): def setUp(self): self.origin = dns.name.from_text('example.') def testFromTextRel1(self): n = dns.name.from_text('foo.bar') self.assertEqual(n.labels, (b'foo', b'bar', b'')) def testFromTextRel2(self): n = dns.name.from_text('foo.bar', origin=self.origin) self.assertEqual(n.labels, (b'foo', b'bar', b'example', b'')) def testFromTextRel3(self): n = dns.name.from_text('foo.bar', origin=None) self.assertEqual(n.labels, (b'foo', b'bar')) def testFromTextRel4(self): n = dns.name.from_text('@', origin=None) self.failUnless(n == dns.name.empty) def testFromTextRel5(self): n = dns.name.from_text('@', origin=self.origin) self.failUnless(n == self.origin) def testFromTextAbs1(self): n = dns.name.from_text('foo.bar.') self.assertEqual(n.labels, (b'foo', b'bar', b'')) def testTortureFromText(self): good = [ br'.', br'a', br'a.', br'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa', br'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa', br'\000.\008.\010.\032.\046.\092.\099.\255', br'\\', br'\..\.', br'\\.\\', br'!"#%&/()=+-', br'\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255.\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255.\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255.\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255', ] bad = [ br'..', br'.a', br'\\..', b'\\', # yes, we don't want the 'r' prefix! br'\0', br'\00', br'\00Z', br'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa', br'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa', br'\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255.\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255.\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255.\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255', ] for t in good: try: dns.name.from_text(t) except Exception: self.fail("good test '%s' raised an exception" % t) for t in bad: caught = False try: dns.name.from_text(t) except Exception: caught = True if not caught: self.fail("bad test '%s' did not raise an exception" % t) def testImmutable1(self): def bad(): self.origin.labels = () self.failUnlessRaises(TypeError, bad) def testImmutable2(self): def bad(): self.origin.labels[0] = 'foo' self.failUnlessRaises(TypeError, bad) def testAbs1(self): self.failUnless(dns.name.root.is_absolute()) def testAbs2(self): self.failUnless(not dns.name.empty.is_absolute()) def testAbs3(self): self.failUnless(self.origin.is_absolute()) def testAbs4(self): n = dns.name.from_text('foo', origin=None) self.failUnless(not n.is_absolute()) def testWild1(self): n = dns.name.from_text('*.foo', origin=None) self.failUnless(n.is_wild()) def testWild2(self): n = dns.name.from_text('*a.foo', origin=None) self.failUnless(not n.is_wild()) def testWild3(self): n = dns.name.from_text('a.*.foo', origin=None) self.failUnless(not n.is_wild()) def testWild4(self): self.failUnless(not dns.name.root.is_wild()) def testWild5(self): self.failUnless(not dns.name.empty.is_wild()) def testHash1(self): n1 = dns.name.from_text('fOo.COM') n2 = dns.name.from_text('foo.com') self.assertEqual(hash(n1), hash(n2)) def testCompare1(self): n1 = dns.name.from_text('a') n2 = dns.name.from_text('b') self.failUnless(n1 < n2) self.failUnless(n2 > n1) def testCompare2(self): n1 = dns.name.from_text('') n2 = dns.name.from_text('b') self.failUnless(n1 < n2) self.failUnless(n2 > n1) def testCompare3(self): self.failUnless(dns.name.empty < dns.name.root) self.failUnless(dns.name.root > dns.name.empty) def testCompare4(self): self.failUnless(dns.name.root != 1) def testSubdomain1(self): self.failUnless(not dns.name.empty.is_subdomain(dns.name.root)) def testSubdomain2(self): self.failUnless(not dns.name.root.is_subdomain(dns.name.empty)) def testSubdomain3(self): n = dns.name.from_text('foo', origin=self.origin) self.failUnless(n.is_subdomain(self.origin)) def testSubdomain4(self): n = dns.name.from_text('foo', origin=self.origin) self.failUnless(n.is_subdomain(dns.name.root)) def testSubdomain5(self): n = dns.name.from_text('foo', origin=self.origin) self.failUnless(n.is_subdomain(n)) def testSuperdomain1(self): self.failUnless(not dns.name.empty.is_superdomain(dns.name.root)) def testSuperdomain2(self): self.failUnless(not dns.name.root.is_superdomain(dns.name.empty)) def testSuperdomain3(self): n = dns.name.from_text('foo', origin=self.origin) self.failUnless(self.origin.is_superdomain(n)) def testSuperdomain4(self): n = dns.name.from_text('foo', origin=self.origin) self.failUnless(dns.name.root.is_superdomain(n)) def testSuperdomain5(self): n = dns.name.from_text('foo', origin=self.origin) self.failUnless(n.is_superdomain(n)) def testCanonicalize1(self): n = dns.name.from_text('FOO.bar', origin=self.origin) c = n.canonicalize() self.assertEqual(c.labels, (b'foo', b'bar', b'example', b'')) def testToText1(self): n = dns.name.from_text('FOO.bar', origin=self.origin) t = n.to_text() self.assertEqual(t, 'FOO.bar.example.') def testToText2(self): n = dns.name.from_text('FOO.bar', origin=self.origin) t = n.to_text(True) self.assertEqual(t, 'FOO.bar.example') def testToText3(self): n = dns.name.from_text('FOO.bar', origin=None) t = n.to_text() self.assertEqual(t, 'FOO.bar') def testToText4(self): t = dns.name.empty.to_text() self.assertEqual(t, '@') def testToText5(self): t = dns.name.root.to_text() self.assertEqual(t, '.') def testToText6(self): n = dns.name.from_text('FOO bar', origin=None) t = n.to_text() self.assertEqual(t, r'FOO\032bar') def testToText7(self): n = dns.name.from_text(r'FOO\.bar', origin=None) t = n.to_text() self.assertEqual(t, 'FOO\.bar') def testToText8(self): n = dns.name.from_text(r'\070OO\.bar', origin=None) t = n.to_text() self.assertEqual(t, 'FOO\.bar') def testToText9(self): n = dns.name.from_text('FOO bar', origin=None) t = n.to_unicode() self.assertEqual(t, 'FOO\\032bar') def testToText10(self): t = dns.name.empty.to_unicode() self.assertEqual(t, '@') def testToText11(self): t = dns.name.root.to_unicode() self.assertEqual(t, '.') def testSlice1(self): n = dns.name.from_text(r'a.b.c.', origin=None) s = n[:] self.assertEqual(s, (b'a', b'b', b'c', b'')) def testSlice2(self): n = dns.name.from_text(r'a.b.c.', origin=None) s = n[:2] self.assertEqual(s, (b'a', b'b')) def testSlice3(self): n = dns.name.from_text(r'a.b.c.', origin=None) s = n[2:] self.assertEqual(s, (b'c', b'')) def testEmptyLabel1(self): def bad(): dns.name.Name(['a', '', 'b']) self.failUnlessRaises(dns.name.EmptyLabel, bad) def testEmptyLabel2(self): def bad(): dns.name.Name(['', 'b']) self.failUnlessRaises(dns.name.EmptyLabel, bad) def testEmptyLabel3(self): n = dns.name.Name(['b', '']) self.failUnless(n) def testLongLabel(self): n = dns.name.Name(['a' * 63]) self.failUnless(n) def testLabelTooLong(self): def bad(): dns.name.Name(['a' * 64, 'b']) self.failUnlessRaises(dns.name.LabelTooLong, bad) def testLongName(self): n = dns.name.Name(['a' * 63, 'a' * 63, 'a' * 63, 'a' * 62]) self.failUnless(n) def testNameTooLong(self): def bad(): dns.name.Name(['a' * 63, 'a' * 63, 'a' * 63, 'a' * 63]) self.failUnlessRaises(dns.name.NameTooLong, bad) def testConcat1(self): n1 = dns.name.Name(['a', 'b']) n2 = dns.name.Name(['c', 'd']) e = dns.name.Name(['a', 'b', 'c', 'd']) r = n1 + n2 self.failUnless(r == e) def testConcat2(self): n1 = dns.name.Name(['a', 'b']) n2 = dns.name.Name([]) e = dns.name.Name(['a', 'b']) r = n1 + n2 self.failUnless(r == e) def testConcat3(self): n1 = dns.name.Name([]) n2 = dns.name.Name(['a', 'b']) e = dns.name.Name(['a', 'b']) r = n1 + n2 self.failUnless(r == e) def testConcat4(self): n1 = dns.name.Name(['a', 'b', '']) n2 = dns.name.Name([]) e = dns.name.Name(['a', 'b', '']) r = n1 + n2 self.failUnless(r == e) def testConcat5(self): n1 = dns.name.Name(['a', 'b']) n2 = dns.name.Name(['c', '']) e = dns.name.Name(['a', 'b', 'c', '']) r = n1 + n2 self.failUnless(r == e) def testConcat6(self): def bad(): n1 = dns.name.Name(['a', 'b', '']) n2 = dns.name.Name(['c']) return n1 + n2 self.failUnlessRaises(dns.name.AbsoluteConcatenation, bad) def testBadEscape(self): def bad(): n = dns.name.from_text(r'a.b\0q1.c.') print(n) self.failUnlessRaises(dns.name.BadEscape, bad) def testDigestable1(self): n = dns.name.from_text('FOO.bar') d = n.to_digestable() self.assertEqual(d, b'\x03foo\x03bar\x00') def testDigestable2(self): n1 = dns.name.from_text('FOO.bar') n2 = dns.name.from_text('foo.BAR.') d1 = n1.to_digestable() d2 = n2.to_digestable() self.failUnless(d1 == d2) def testDigestable3(self): d = dns.name.root.to_digestable() self.assertEqual(d, b'\x00') def testDigestable4(self): n = dns.name.from_text('FOO.bar', None) d = n.to_digestable(dns.name.root) self.assertEqual(d, b'\x03foo\x03bar\x00') def testBadDigestable(self): def bad(): n = dns.name.from_text('FOO.bar', None) n.to_digestable() self.failUnlessRaises(dns.name.NeedAbsoluteNameOrOrigin, bad) def testToWire1(self): n = dns.name.from_text('FOO.bar') f = BytesIO() compress = {} n.to_wire(f, compress) self.assertEqual(f.getvalue(), b'\x03FOO\x03bar\x00') def testToWire2(self): n = dns.name.from_text('FOO.bar') f = BytesIO() compress = {} n.to_wire(f, compress) n.to_wire(f, compress) self.assertEqual(f.getvalue(), b'\x03FOO\x03bar\x00\xc0\x00') def testToWire3(self): n1 = dns.name.from_text('FOO.bar') n2 = dns.name.from_text('foo.bar') f = BytesIO() compress = {} n1.to_wire(f, compress) n2.to_wire(f, compress) self.assertEqual(f.getvalue(), b'\x03FOO\x03bar\x00\xc0\x00') def testToWire4(self): n1 = dns.name.from_text('FOO.bar') n2 = dns.name.from_text('a.foo.bar') f = BytesIO() compress = {} n1.to_wire(f, compress) n2.to_wire(f, compress) self.assertEqual(f.getvalue(), b'\x03FOO\x03bar\x00\x01\x61\xc0\x00') def testToWire5(self): n1 = dns.name.from_text('FOO.bar') n2 = dns.name.from_text('a.foo.bar') f = BytesIO() compress = {} n1.to_wire(f, compress) n2.to_wire(f, None) self.assertEqual(f.getvalue(), b'\x03FOO\x03bar\x00\x01\x61\x03foo\x03bar\x00') def testToWire6(self): n = dns.name.from_text('FOO.bar') v = n.to_wire() self.assertEqual(v, b'\x03FOO\x03bar\x00') def testBadToWire(self): def bad(): n = dns.name.from_text('FOO.bar', None) f = BytesIO() compress = {} n.to_wire(f, compress) self.failUnlessRaises(dns.name.NeedAbsoluteNameOrOrigin, bad) def testSplit1(self): n = dns.name.from_text('foo.bar.') (prefix, suffix) = n.split(2) ep = dns.name.from_text('foo', None) es = dns.name.from_text('bar.', None) self.failUnless(prefix == ep and suffix == es) def testSplit2(self): n = dns.name.from_text('foo.bar.') (prefix, suffix) = n.split(1) ep = dns.name.from_text('foo.bar', None) es = dns.name.from_text('.', None) self.failUnless(prefix == ep and suffix == es) def testSplit3(self): n = dns.name.from_text('foo.bar.') (prefix, suffix) = n.split(0) ep = dns.name.from_text('foo.bar.', None) es = dns.name.from_text('', None) self.failUnless(prefix == ep and suffix == es) def testSplit4(self): n = dns.name.from_text('foo.bar.') (prefix, suffix) = n.split(3) ep = dns.name.from_text('', None) es = dns.name.from_text('foo.bar.', None) self.failUnless(prefix == ep and suffix == es) def testBadSplit1(self): def bad(): n = dns.name.from_text('foo.bar.') n.split(-1) self.failUnlessRaises(ValueError, bad) def testBadSplit2(self): def bad(): n = dns.name.from_text('foo.bar.') n.split(4) self.failUnlessRaises(ValueError, bad) def testRelativize1(self): n = dns.name.from_text('a.foo.bar.', None) o = dns.name.from_text('bar.', None) e = dns.name.from_text('a.foo', None) self.failUnless(n.relativize(o) == e) def testRelativize2(self): n = dns.name.from_text('a.foo.bar.', None) o = n e = dns.name.empty self.failUnless(n.relativize(o) == e) def testRelativize3(self): n = dns.name.from_text('a.foo.bar.', None) o = dns.name.from_text('blaz.', None) e = n self.failUnless(n.relativize(o) == e) def testRelativize4(self): n = dns.name.from_text('a.foo', None) o = dns.name.root e = n self.failUnless(n.relativize(o) == e) def testDerelativize1(self): n = dns.name.from_text('a.foo', None) o = dns.name.from_text('bar.', None) e = dns.name.from_text('a.foo.bar.', None) self.failUnless(n.derelativize(o) == e) def testDerelativize2(self): n = dns.name.empty o = dns.name.from_text('a.foo.bar.', None) e = o self.failUnless(n.derelativize(o) == e) def testDerelativize3(self): n = dns.name.from_text('a.foo.bar.', None) o = dns.name.from_text('blaz.', None) e = n self.failUnless(n.derelativize(o) == e) def testChooseRelativity1(self): n = dns.name.from_text('a.foo.bar.', None) o = dns.name.from_text('bar.', None) e = dns.name.from_text('a.foo', None) self.failUnless(n.choose_relativity(o, True) == e) def testChooseRelativity2(self): n = dns.name.from_text('a.foo.bar.', None) o = dns.name.from_text('bar.', None) e = n self.failUnless(n.choose_relativity(o, False) == e) def testChooseRelativity3(self): n = dns.name.from_text('a.foo', None) o = dns.name.from_text('bar.', None) e = dns.name.from_text('a.foo.bar.', None) self.failUnless(n.choose_relativity(o, False) == e) def testChooseRelativity4(self): n = dns.name.from_text('a.foo', None) o = None e = n self.failUnless(n.choose_relativity(o, True) == e) def testChooseRelativity5(self): n = dns.name.from_text('a.foo', None) o = None e = n self.failUnless(n.choose_relativity(o, False) == e) def testChooseRelativity6(self): n = dns.name.from_text('a.foo.', None) o = None e = n self.failUnless(n.choose_relativity(o, True) == e) def testChooseRelativity7(self): n = dns.name.from_text('a.foo.', None) o = None e = n self.failUnless(n.choose_relativity(o, False) == e) def testFromWire1(self): w = b'\x03foo\x00\xc0\x00' (n1, cused1) = dns.name.from_wire(w, 0) (n2, cused2) = dns.name.from_wire(w, cused1) en1 = dns.name.from_text('foo.') en2 = en1 ecused1 = 5 ecused2 = 2 self.failUnless(n1 == en1 and cused1 == ecused1 and \ n2 == en2 and cused2 == ecused2) def testFromWire2(self): w = b'\x03foo\x00\x01a\xc0\x00\x01b\xc0\x05' current = 0 (n1, cused1) = dns.name.from_wire(w, current) current += cused1 (n2, cused2) = dns.name.from_wire(w, current) current += cused2 (n3, cused3) = dns.name.from_wire(w, current) en1 = dns.name.from_text('foo.') en2 = dns.name.from_text('a.foo.') en3 = dns.name.from_text('b.a.foo.') ecused1 = 5 ecused2 = 4 ecused3 = 4 self.failUnless(n1 == en1 and cused1 == ecused1 and \ n2 == en2 and cused2 == ecused2 and \ n3 == en3 and cused3 == ecused3) def testBadFromWire1(self): def bad(): w = b'\x03foo\xc0\x04' dns.name.from_wire(w, 0) self.failUnlessRaises(dns.name.BadPointer, bad) def testBadFromWire2(self): def bad(): w = b'\x03foo\xc0\x05' dns.name.from_wire(w, 0) self.failUnlessRaises(dns.name.BadPointer, bad) def testBadFromWire3(self): def bad(): w = b'\xbffoo' dns.name.from_wire(w, 0) self.failUnlessRaises(dns.name.BadLabelType, bad) def testBadFromWire4(self): def bad(): w = b'\x41foo' dns.name.from_wire(w, 0) self.failUnlessRaises(dns.name.BadLabelType, bad) def testParent1(self): n = dns.name.from_text('foo.bar.') self.failUnless(n.parent() == dns.name.from_text('bar.')) self.failUnless(n.parent().parent() == dns.name.root) def testParent2(self): n = dns.name.from_text('foo.bar', None) self.failUnless(n.parent() == dns.name.from_text('bar', None)) self.failUnless(n.parent().parent() == dns.name.empty) def testParent3(self): def bad(): n = dns.name.root n.parent() self.failUnlessRaises(dns.name.NoParent, bad) def testParent4(self): def bad(): n = dns.name.empty n.parent() self.failUnlessRaises(dns.name.NoParent, bad) def testFromUnicode1(self): n = dns.name.from_text(u'foo.bar') self.assertEqual(n.labels, (b'foo', b'bar', b'')) def testFromUnicode2(self): n = dns.name.from_text(u'foo\u1234bar.bar') self.assertEqual(n.labels, (b'xn--foobar-r5z', b'bar', b'')) def testFromUnicodeAlternateDot1(self): n = dns.name.from_text(u'foo\u3002bar') self.assertEqual(n.labels, (b'foo', b'bar', b'')) def testFromUnicodeAlternateDot2(self): n = dns.name.from_text(u'foo\uff0ebar') self.assertEqual(n.labels, (b'foo', b'bar', b'')) def testFromUnicodeAlternateDot3(self): n = dns.name.from_text(u'foo\uff61bar') self.assertEqual(n.labels, (b'foo', b'bar', b'')) def testFromUnicodeIDNA2003Explicit(self): t = u'Königsgäßchen' e = dns.name.from_unicode(t, idna_codec=dns.name.IDNA_2003) self.assertEqual(str(e), 'xn--knigsgsschen-lcb0w.') def testFromUnicodeIDNA2003Default(self): t = u'Königsgäßchen' e = dns.name.from_unicode(t) self.assertEqual(str(e), 'xn--knigsgsschen-lcb0w.') def testFromUnicodeIDNA2008(self): if dns.name.have_idna_2008: t = u'Königsgäßchen' def bad(): codec = dns.name.IDNA_2008_Strict return dns.name.from_unicode(t, idna_codec=codec) self.failUnlessRaises(dns.name.IDNAException, bad) e1 = dns.name.from_unicode(t, idna_codec=dns.name.IDNA_2008) self.assertEqual(str(e1), 'xn--knigsgchen-b4a3dun.') c2 = dns.name.IDNA_2008_Transitional e2 = dns.name.from_unicode(t, idna_codec=c2) self.assertEqual(str(e2), 'xn--knigsgsschen-lcb0w.') def testFromUnicodeIDNA2008Mixed(self): # the IDN rules for names are very restrictive, disallowing # practical names like u'_sip._tcp.Königsgäßchen'. Dnspython # has a "practical" mode which permits labels which are purely # ASCII to go straight through, and thus not invalid useful # things in the real world. if dns.name.have_idna_2008: t = u'_sip._tcp.Königsgäßchen' def bad1(): codec = dns.name.IDNA_2008_Strict return dns.name.from_unicode(t, idna_codec=codec) def bad2(): codec = dns.name.IDNA_2008_UTS_46 return dns.name.from_unicode(t, idna_codec=codec) def bad3(): codec = dns.name.IDNA_2008_Transitional return dns.name.from_unicode(t, idna_codec=codec) self.failUnlessRaises(dns.name.IDNAException, bad1) self.failUnlessRaises(dns.name.IDNAException, bad2) self.failUnlessRaises(dns.name.IDNAException, bad3) e = dns.name.from_unicode(t, idna_codec=dns.name.IDNA_2008_Practical) self.assertEqual(str(e), '_sip._tcp.xn--knigsgchen-b4a3dun.') def testToUnicode1(self): n = dns.name.from_text(u'foo.bar') s = n.to_unicode() self.assertEqual(s, u'foo.bar.') def testToUnicode2(self): n = dns.name.from_text(u'foo\u1234bar.bar') s = n.to_unicode() self.assertEqual(s, u'foo\u1234bar.bar.') def testToUnicode3(self): n = dns.name.from_text('foo.bar') s = n.to_unicode() self.assertEqual(s, u'foo.bar.') def testToUnicode4(self): if dns.name.have_idna_2008: n = dns.name.from_text(u'ドメイン.テスト', idna_codec=dns.name.IDNA_2008) s = n.to_unicode() self.assertEqual(str(n), 'xn--eckwd4c7c.xn--zckzah.') self.assertEqual(s, u'ドメイン.テスト.') def testDefaultDecodeIsJustPunycode(self): # groß.com. in IDNA2008 form, pre-encoded. n = dns.name.from_text('xn--gro-7ka.com') # output using default codec which just decodes the punycode and # doesn't test for IDNA2003 or IDNA2008. self.assertEqual(n.to_unicode(), u'groß.com.') def testStrictINDA2003Decode(self): # groß.com. in IDNA2008 form, pre-encoded. n = dns.name.from_text('xn--gro-7ka.com') def bad(): # This throws in IDNA2003 because it doesn't "round trip". n.to_unicode(idna_codec=dns.name.IDNA_2003_Strict) self.failUnlessRaises(dns.name.IDNAException, bad) def testReverseIPv4(self): e = dns.name.from_text('1.0.0.127.in-addr.arpa.') n = dns.reversename.from_address('127.0.0.1') self.assertEqual(e, n) def testReverseIPv6(self): e = dns.name.from_text('1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.ip6.arpa.') n = dns.reversename.from_address(b'::1') self.assertEqual(e, n) def testReverseIPv6MappedIpv4(self): e = dns.name.from_text('1.0.0.127.in-addr.arpa.') n = dns.reversename.from_address('::ffff:127.0.0.1') self.failUnless(e == n) def testBadReverseIPv4(self): def bad(): dns.reversename.from_address('127.0.foo.1') self.failUnlessRaises(dns.exception.SyntaxError, bad) def testBadReverseIPv6(self): def bad(): dns.reversename.from_address('::1::1') self.failUnlessRaises(dns.exception.SyntaxError, bad) def testForwardIPv4(self): n = dns.name.from_text('1.0.0.127.in-addr.arpa.') e = b'127.0.0.1' text = dns.reversename.to_address(n) self.assertEqual(text, e) def testForwardIPv6(self): n = dns.name.from_text('1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.ip6.arpa.') e = '::1' text = dns.reversename.to_address(n) self.assertEqual(text, e) def testE164ToEnum(self): text = '+1 650 555 1212' e = dns.name.from_text('2.1.2.1.5.5.5.0.5.6.1.e164.arpa.') n = dns.e164.from_e164(text) self.failUnless(n == e) def testEnumToE164(self): n = dns.name.from_text('2.1.2.1.5.5.5.0.5.6.1.e164.arpa.') e = b'+16505551212' text = dns.e164.to_e164(n) self.assertEqual(text, e) if __name__ == '__main__': unittest.main() dnspython-1.15.0/tests/test_namedict.py0000644000076500000240000000665312770261242020601 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. try: import unittest2 as unittest except ImportError: import unittest import dns.name import dns.namedict class NameTestCase(unittest.TestCase): def setUp(self): self.ndict = dns.namedict.NameDict() n1 = dns.name.from_text('foo.bar.') n2 = dns.name.from_text('bar.') self.ndict[n1] = 1 self.ndict[n2] = 2 self.rndict = dns.namedict.NameDict() n1 = dns.name.from_text('foo.bar', None) n2 = dns.name.from_text('bar', None) self.rndict[n1] = 1 self.rndict[n2] = 2 def testDepth(self): self.failUnless(self.ndict.max_depth == 3) def testLookup1(self): k = dns.name.from_text('foo.bar.') self.failUnless(self.ndict[k] == 1) def testLookup2(self): k = dns.name.from_text('foo.bar.') self.failUnless(self.ndict.get_deepest_match(k)[1] == 1) def testLookup3(self): k = dns.name.from_text('a.b.c.foo.bar.') self.failUnless(self.ndict.get_deepest_match(k)[1] == 1) def testLookup4(self): k = dns.name.from_text('a.b.c.bar.') self.failUnless(self.ndict.get_deepest_match(k)[1] == 2) def testLookup5(self): def bad(): n = dns.name.from_text('a.b.c.') self.ndict.get_deepest_match(n) self.failUnlessRaises(KeyError, bad) def testLookup6(self): def bad(): self.ndict.get_deepest_match(dns.name.empty) self.failUnlessRaises(KeyError, bad) def testLookup7(self): self.ndict[dns.name.empty] = 100 n = dns.name.from_text('a.b.c.') v = self.ndict.get_deepest_match(n)[1] self.failUnless(v == 100) def testLookup8(self): def bad(): self.ndict['foo'] = 100 self.failUnlessRaises(ValueError, bad) def testRelDepth(self): self.failUnless(self.rndict.max_depth == 2) def testRelLookup1(self): k = dns.name.from_text('foo.bar', None) self.failUnless(self.rndict[k] == 1) def testRelLookup2(self): k = dns.name.from_text('foo.bar', None) self.failUnless(self.rndict.get_deepest_match(k)[1] == 1) def testRelLookup3(self): k = dns.name.from_text('a.b.c.foo.bar', None) self.failUnless(self.rndict.get_deepest_match(k)[1] == 1) def testRelLookup4(self): k = dns.name.from_text('a.b.c.bar', None) self.failUnless(self.rndict.get_deepest_match(k)[1] == 2) def testRelLookup7(self): self.rndict[dns.name.empty] = 100 n = dns.name.from_text('a.b.c', None) v = self.rndict.get_deepest_match(n)[1] self.failUnless(v == 100) if __name__ == '__main__': unittest.main() dnspython-1.15.0/tests/test_ntoaaton.py0000644000076500000240000001510112770261242020624 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. from __future__ import print_function try: import unittest2 as unittest except ImportError: import unittest import binascii import dns.exception import dns.ipv4 import dns.ipv6 # for convenience aton4 = dns.ipv4.inet_aton ntoa4 = dns.ipv4.inet_ntoa aton6 = dns.ipv6.inet_aton ntoa6 = dns.ipv6.inet_ntoa v4_bad_addrs = ['256.1.1.1', '1.1.1', '1.1.1.1.1', '+1.1.1.1', '1.1.1.1+', '1..2.3.4', '.1.2.3.4', '1.2.3.4.'] class NtoAAtoNTestCase(unittest.TestCase): def test_aton1(self): a = aton6('::') self.failUnless(a == b'\x00' * 16) def test_aton2(self): a = aton6('::1') self.failUnless(a == b'\x00' * 15 + b'\x01') def test_aton3(self): a = aton6('::10.0.0.1') self.failUnless(a == b'\x00' * 12 + b'\x0a\x00\x00\x01') def test_aton4(self): a = aton6('abcd::dcba') self.failUnless(a == b'\xab\xcd' + b'\x00' * 12 + b'\xdc\xba') def test_aton5(self): a = aton6('1:2:3:4:5:6:7:8') self.assertEqual(a, binascii.unhexlify(b'00010002000300040005000600070008')) def test_bad_aton1(self): def bad(): aton6('abcd:dcba') self.failUnlessRaises(dns.exception.SyntaxError, bad) def test_bad_aton2(self): def bad(): aton6('abcd::dcba::1') self.failUnlessRaises(dns.exception.SyntaxError, bad) def test_bad_aton3(self): def bad(): aton6('1:2:3:4:5:6:7:8:9') self.failUnlessRaises(dns.exception.SyntaxError, bad) def test_aton6(self): a = aton6('::') self.assertEqual(a, b'\x00' * 16) def test_aton7(self): a = aton6('::1') self.assertEqual(a, b'\x00' * 15 + b'\x01') def test_aton8(self): a = aton6('::10.0.0.1') self.assertEqual(a, b'\x00' * 12 + b'\x0a\x00\x00\x01') def test_aton9(self): a = aton6('abcd::dcba') self.assertEqual(a, b'\xab\xcd' + b'\x00' * 12 + b'\xdc\xba') def test_ntoa1(self): b = binascii.unhexlify(b'00010002000300040005000600070008') t = ntoa6(b) self.assertEqual(t, '1:2:3:4:5:6:7:8') def test_ntoa2(self): b = b'\x00' * 16 t = ntoa6(b) self.assertEqual(t, '::') def test_ntoa3(self): b = b'\x00' * 15 + b'\x01' t = ntoa6(b) self.assertEqual(t, '::1') def test_ntoa4(self): b = b'\x80' + b'\x00' * 15 t = ntoa6(b) self.assertEqual(t, '8000::') def test_ntoa5(self): b = b'\x01\xcd' + b'\x00' * 12 + b'\x03\xef' t = ntoa6(b) self.assertEqual(t, '1cd::3ef') def test_ntoa6(self): b = binascii.unhexlify(b'ffff00000000ffff000000000000ffff') t = ntoa6(b) self.assertEqual(t, 'ffff:0:0:ffff::ffff') def test_ntoa7(self): b = binascii.unhexlify(b'00000000ffff000000000000ffffffff') t = ntoa6(b) self.assertEqual(t, '0:0:ffff::ffff:ffff') def test_ntoa8(self): b = binascii.unhexlify(b'ffff0000ffff00000000ffff00000000') t = ntoa6(b) self.assertEqual(t, 'ffff:0:ffff::ffff:0:0') def test_ntoa9(self): b = binascii.unhexlify(b'0000000000000000000000000a000001') t = ntoa6(b) self.assertEqual(t, '::10.0.0.1') def test_ntoa10(self): b = binascii.unhexlify(b'0000000000000000000000010a000001') t = ntoa6(b) self.assertEqual(t, '::1:a00:1') def test_ntoa11(self): b = binascii.unhexlify(b'00000000000000000000ffff0a000001') t = ntoa6(b) self.assertEqual(t, '::ffff:10.0.0.1') def test_ntoa12(self): b = binascii.unhexlify(b'000000000000000000000000ffffffff') t = ntoa6(b) self.assertEqual(t, '::255.255.255.255') def test_ntoa13(self): b = binascii.unhexlify(b'00000000000000000000ffffffffffff') t = ntoa6(b) self.assertEqual(t, '::ffff:255.255.255.255') def test_ntoa14(self): b = binascii.unhexlify(b'0000000000000000000000000001ffff') t = ntoa6(b) self.assertEqual(t, '::0.1.255.255') def test_bad_ntoa1(self): def bad(): ntoa6('') self.failUnlessRaises(ValueError, bad) def test_bad_ntoa2(self): def bad(): ntoa6('\x00' * 17) self.failUnlessRaises(ValueError, bad) def test_good_v4_aton(self): pairs = [(b'1.2.3.4', b'\x01\x02\x03\x04'), (b'255.255.255.255', b'\xff\xff\xff\xff'), (b'0.0.0.0', b'\x00\x00\x00\x00')] for (t, b) in pairs: b1 = aton4(t) t1 = ntoa4(b1) self.assertEqual(b1, b) self.assertEqual(t1, t) def test_bad_v4_aton(self): def make_bad(a): def bad(): return aton4(a) return bad for addr in v4_bad_addrs: print(addr) self.failUnlessRaises(dns.exception.SyntaxError, make_bad(addr)) def test_bad_v6_aton(self): addrs = ['+::0', '0::0::', '::0::', '1:2:3:4:5:6:7:8:9', ':::::::'] embedded = ['::' + x for x in v4_bad_addrs] addrs.extend(embedded) def make_bad(a): def bad(): x = aton6(a) return bad for addr in addrs: self.failUnlessRaises(dns.exception.SyntaxError, make_bad(addr)) def test_rfc5952_section_4_2_2(self): addr = '2001:db8:0:1:1:1:1:1' b1 = aton6(addr) t1 = ntoa6(b1) self.assertEqual(t1, addr) def test_is_mapped(self): t1 = '2001:db8:0:1:1:1:1:1' t2 = '::ffff:127.0.0.1' t3 = '1::ffff:127.0.0.1' self.failIf(dns.ipv6.is_mapped(aton6(t1))) self.failUnless(dns.ipv6.is_mapped(aton6(t2))) self.failIf(dns.ipv6.is_mapped(aton6(t3))) if __name__ == '__main__': unittest.main() dnspython-1.15.0/tests/test_rdata.py0000644000076500000240000000247512770261242020106 0ustar halleystaff00000000000000# Copyright (C) 2006, 2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. try: import unittest2 as unittest except ImportError: import unittest import dns.rdata import dns.rdataclass import dns.rdatatype class RdataTestCase(unittest.TestCase): def test_str(self): rdata = dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.A, "1.2.3.4") self.failUnless(rdata.address == "1.2.3.4") def test_unicode(self): rdata = dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.A, u"1.2.3.4") self.failUnless(rdata.address == "1.2.3.4") if __name__ == '__main__': unittest.main() dnspython-1.15.0/tests/test_rdtypeandclass.py0000644000076500000240000001030212770261242022017 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. try: import unittest2 as unittest except ImportError: import unittest import dns.rdataclass import dns.rdatatype class RdTypeAndClassTestCase(unittest.TestCase): # Classes def test_class_meta1(self): self.failUnless(dns.rdataclass.is_metaclass(dns.rdataclass.ANY)) def test_class_meta2(self): self.failUnless(not dns.rdataclass.is_metaclass(dns.rdataclass.IN)) def test_class_bytext1(self): self.failUnless(dns.rdataclass.from_text('IN') == dns.rdataclass.IN) def test_class_bytext2(self): self.failUnless(dns.rdataclass.from_text('CLASS1') == dns.rdataclass.IN) def test_class_bytext_bounds1(self): self.failUnless(dns.rdataclass.from_text('CLASS0') == 0) self.failUnless(dns.rdataclass.from_text('CLASS65535') == 65535) def test_class_bytext_bounds2(self): def bad(): dns.rdataclass.from_text('CLASS65536') self.failUnlessRaises(ValueError, bad) def test_class_bytext_unknown(self): def bad(): dns.rdataclass.from_text('XXX') self.failUnlessRaises(dns.rdataclass.UnknownRdataclass, bad) def test_class_totext1(self): self.failUnless(dns.rdataclass.to_text(dns.rdataclass.IN) == 'IN') def test_class_totext2(self): self.failUnless(dns.rdataclass.to_text(999) == 'CLASS999') def test_class_totext_bounds1(self): def bad(): dns.rdataclass.to_text(-1) self.failUnlessRaises(ValueError, bad) def test_class_totext_bounds2(self): def bad(): dns.rdataclass.to_text(65536) self.failUnlessRaises(ValueError, bad) # Types def test_type_meta1(self): self.failUnless(dns.rdatatype.is_metatype(dns.rdatatype.ANY)) def test_type_meta2(self): self.failUnless(dns.rdatatype.is_metatype(dns.rdatatype.OPT)) def test_type_meta3(self): self.failUnless(not dns.rdatatype.is_metatype(dns.rdatatype.A)) def test_type_singleton1(self): self.failUnless(dns.rdatatype.is_singleton(dns.rdatatype.SOA)) def test_type_singleton2(self): self.failUnless(not dns.rdatatype.is_singleton(dns.rdatatype.A)) def test_type_bytext1(self): self.failUnless(dns.rdatatype.from_text('A') == dns.rdatatype.A) def test_type_bytext2(self): self.failUnless(dns.rdatatype.from_text('TYPE1') == dns.rdatatype.A) def test_type_bytext_bounds1(self): self.failUnless(dns.rdatatype.from_text('TYPE0') == 0) self.failUnless(dns.rdatatype.from_text('TYPE65535') == 65535) def test_type_bytext_bounds2(self): def bad(): dns.rdatatype.from_text('TYPE65536') self.failUnlessRaises(ValueError, bad) def test_type_bytext_unknown(self): def bad(): dns.rdatatype.from_text('XXX') self.failUnlessRaises(dns.rdatatype.UnknownRdatatype, bad) def test_type_totext1(self): self.failUnless(dns.rdatatype.to_text(dns.rdatatype.A) == 'A') def test_type_totext2(self): self.failUnless(dns.rdatatype.to_text(999) == 'TYPE999') def test_type_totext_bounds1(self): def bad(): dns.rdatatype.to_text(-1) self.failUnlessRaises(ValueError, bad) def test_type_totext_bounds2(self): def bad(): dns.rdatatype.to_text(65536) self.failUnlessRaises(ValueError, bad) if __name__ == '__main__': unittest.main() dnspython-1.15.0/tests/test_rdtypeanydnskey.py0000644000076500000240000000563112770261242022245 0ustar halleystaff00000000000000# Copyright (C) 2014 Red Hat, Inc. # Author: Petr Spacek # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED 'AS IS' AND RED HAT DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. try: import unittest2 as unittest except ImportError: import unittest import dns.rrset import dns.rdtypes.ANY.DNSKEY class RdtypeAnyDnskeyTestCase(unittest.TestCase): def testFlagsEmpty(self): '''Test DNSKEY flag to/from text conversion for zero flag/empty set.''' good_s = set() good_f = 0 from_flags = dns.rdtypes.ANY.DNSKEY.flags_to_text_set(good_f) self.failUnless(from_flags == good_s, '"%s" != "%s"' % (from_flags, good_s)) from_set = dns.rdtypes.ANY.DNSKEY.flags_from_text_set(good_s) self.failUnless(from_set == good_f, '"0x%x" != "0x%x"' % (from_set, good_f)) def testFlagsAll(self): '''Test that all defined flags are recognized.''' good_s = set(['SEP', 'REVOKE', 'ZONE']) good_f = 0x181 from_flags = dns.rdtypes.ANY.DNSKEY.flags_to_text_set(good_f) self.failUnless(from_flags == good_s, '"%s" != "%s"' % (from_flags, good_s)) from_text = dns.rdtypes.ANY.DNSKEY.flags_from_text_set(good_s) self.failUnless(from_text == good_f, '"0x%x" != "0x%x"' % (from_text, good_f)) def testFlagsUnknownToText(self): '''Test that undefined flags are returned in hexadecimal notation.''' unk_s = set(['0x8000']) flags_s = dns.rdtypes.ANY.DNSKEY.flags_to_text_set(0x8000) self.failUnless(flags_s == unk_s, '"%s" != "%s"' % (flags_s, unk_s)) def testFlagsUnknownToFlags(self): '''Test that conversion from undefined mnemonic raises error.''' self.failUnlessRaises(NotImplementedError, dns.rdtypes.ANY.DNSKEY.flags_from_text_set, (['0x8000'])) def testFlagsRRToText(self): '''Test that RR method returns correct flags.''' rr = dns.rrset.from_text('foo', 300, 'IN', 'DNSKEY', '257 3 8 KEY=')[0] rr_s = set(['ZONE', 'SEP']) flags_s = rr.flags_to_text_set() self.failUnless(flags_s == rr_s, '"%s" != "%s"' % (flags_s, rr_s)) if __name__ == '__main__': unittest.main() dnspython-1.15.0/tests/test_rdtypeanyeui.py0000644000076500000240000002211412770261242021525 0ustar halleystaff00000000000000# Copyright (C) 2015 Red Hat, Inc. # Author: Petr Spacek # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED 'AS IS' AND RED HAT DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. try: import unittest2 as unittest except ImportError: import unittest from io import BytesIO import dns.rrset import dns.rdtypes.ANY.EUI48 import dns.rdtypes.ANY.EUI64 import dns.exception class RdtypeAnyEUI48TestCase(unittest.TestCase): def testInstOk(self): '''Valid binary input.''' eui = b'\x01\x23\x45\x67\x89\xab' inst = dns.rdtypes.ANY.EUI48.EUI48(dns.rdataclass.IN, dns.rdatatype.EUI48, eui) self.assertEqual(inst.eui, eui) def testInstLength(self): '''Incorrect input length.''' eui = b'\x01\x23\x45\x67\x89\xab\xcd' with self.assertRaises(dns.exception.FormError): dns.rdtypes.ANY.EUI48.EUI48(dns.rdataclass.IN, dns.rdatatype.EUI48, eui) def testFromTextOk(self): '''Valid text input.''' r1 = dns.rrset.from_text('foo', 300, 'IN', 'EUI48', '01-23-45-67-89-ab') eui = b'\x01\x23\x45\x67\x89\xab' self.assertEqual(r1[0].eui, eui) def testFromTextLength(self): '''Invalid input length.''' with self.assertRaises(dns.exception.SyntaxError): dns.rrset.from_text('foo', 300, 'IN', 'EUI48', '00-01-23-45-67-89-ab') def testFromTextDelim(self): '''Invalid delimiter.''' with self.assertRaises(dns.exception.SyntaxError): dns.rrset.from_text('foo', 300, 'IN', 'EUI48', '01_23-45-67-89-ab') def testFromTextExtraDash(self): '''Extra dash instead of hex digit.''' with self.assertRaises(dns.exception.SyntaxError): dns.rrset.from_text('foo', 300, 'IN', 'EUI48', '0--23-45-67-89-ab') def testFromTextMultipleTokens(self): '''Invalid input divided to multiple tokens.''' with self.assertRaises(dns.exception.SyntaxError): dns.rrset.from_text('foo', 300, 'IN', 'EUI48', '01 23-45-67-89-ab') def testFromTextInvalidHex(self): '''Invalid hexadecimal input.''' with self.assertRaises(dns.exception.SyntaxError): dns.rrset.from_text('foo', 300, 'IN', 'EUI48', 'g0-23-45-67-89-ab') def testToTextOk(self): '''Valid text output.''' eui = b'\x01\x23\x45\x67\x89\xab' exp_text = '01-23-45-67-89-ab' inst = dns.rdtypes.ANY.EUI48.EUI48(dns.rdataclass.IN, dns.rdatatype.EUI48, eui) text = inst.to_text() self.assertEqual(exp_text, text) def testToWire(self): '''Valid wire format.''' eui = b'\x01\x23\x45\x67\x89\xab' inst = dns.rdtypes.ANY.EUI48.EUI48(dns.rdataclass.IN, dns.rdatatype.EUI48, eui) buff = BytesIO() inst.to_wire(buff) self.assertEqual(buff.getvalue(), eui) def testFromWireOk(self): '''Valid wire format.''' eui = b'\x01\x23\x45\x67\x89\xab' pad_len = 100 wire = dns.wiredata.WireData(b'x' * pad_len + eui + b'y' * pad_len * 2) inst = dns.rdtypes.ANY.EUI48.EUI48.from_wire(dns.rdataclass.IN, dns.rdatatype.EUI48, wire, pad_len, len(eui)) self.assertEqual(inst.eui, eui) def testFromWireLength(self): '''Valid wire format.''' eui = b'\x01\x23\x45\x67\x89' pad_len = 100 wire = dns.wiredata.WireData(b'x' * pad_len + eui + b'y' * pad_len * 2) with self.assertRaises(dns.exception.FormError): dns.rdtypes.ANY.EUI48.EUI48.from_wire(dns.rdataclass.IN, dns.rdatatype.EUI48, wire, pad_len, len(eui)) class RdtypeAnyEUI64TestCase(unittest.TestCase): def testInstOk(self): '''Valid binary input.''' eui = b'\x01\x23\x45\x67\x89\xab\xcd\xef' inst = dns.rdtypes.ANY.EUI64.EUI64(dns.rdataclass.IN, dns.rdatatype.EUI64, eui) self.assertEqual(inst.eui, eui) def testInstLength(self): '''Incorrect input length.''' eui = b'\x01\x23\x45\x67\x89\xab' with self.assertRaises(dns.exception.FormError): dns.rdtypes.ANY.EUI64.EUI64(dns.rdataclass.IN, dns.rdatatype.EUI64, eui) def testFromTextOk(self): '''Valid text input.''' r1 = dns.rrset.from_text('foo', 300, 'IN', 'EUI64', '01-23-45-67-89-ab-cd-ef') eui = b'\x01\x23\x45\x67\x89\xab\xcd\xef' self.assertEqual(r1[0].eui, eui) def testFromTextLength(self): '''Invalid input length.''' with self.assertRaises(dns.exception.SyntaxError): dns.rrset.from_text('foo', 300, 'IN', 'EUI64', '01-23-45-67-89-ab') def testFromTextDelim(self): '''Invalid delimiter.''' with self.assertRaises(dns.exception.SyntaxError): dns.rrset.from_text('foo', 300, 'IN', 'EUI64', '01_23-45-67-89-ab-cd-ef') def testFromTextExtraDash(self): '''Extra dash instead of hex digit.''' with self.assertRaises(dns.exception.SyntaxError): dns.rrset.from_text('foo', 300, 'IN', 'EUI64', '0--23-45-67-89-ab-cd-ef') def testFromTextMultipleTokens(self): '''Invalid input divided to multiple tokens.''' with self.assertRaises(dns.exception.SyntaxError): dns.rrset.from_text('foo', 300, 'IN', 'EUI64', '01 23-45-67-89-ab-cd-ef') def testFromTextInvalidHex(self): '''Invalid hexadecimal input.''' with self.assertRaises(dns.exception.SyntaxError): dns.rrset.from_text('foo', 300, 'IN', 'EUI64', 'g0-23-45-67-89-ab-cd-ef') def testToTextOk(self): '''Valid text output.''' eui = b'\x01\x23\x45\x67\x89\xab\xcd\xef' exp_text = '01-23-45-67-89-ab-cd-ef' inst = dns.rdtypes.ANY.EUI64.EUI64(dns.rdataclass.IN, dns.rdatatype.EUI64, eui) text = inst.to_text() self.assertEqual(exp_text, text) def testToWire(self): '''Valid wire format.''' eui = b'\x01\x23\x45\x67\x89\xab\xcd\xef' inst = dns.rdtypes.ANY.EUI64.EUI64(dns.rdataclass.IN, dns.rdatatype.EUI64, eui) buff = BytesIO() inst.to_wire(buff) self.assertEqual(buff.getvalue(), eui) def testFromWireOk(self): '''Valid wire format.''' eui = b'\x01\x23\x45\x67\x89\xab\xcd\xef' pad_len = 100 wire = dns.wiredata.WireData(b'x' * pad_len + eui + b'y' * pad_len * 2) inst = dns.rdtypes.ANY.EUI64.EUI64.from_wire(dns.rdataclass.IN, dns.rdatatype.EUI64, wire, pad_len, len(eui)) self.assertEqual(inst.eui, eui) def testFromWireLength(self): '''Valid wire format.''' eui = b'\x01\x23\x45\x67\x89' pad_len = 100 wire = dns.wiredata.WireData(b'x' * pad_len + eui + b'y' * pad_len * 2) with self.assertRaises(dns.exception.FormError): dns.rdtypes.ANY.EUI64.EUI64.from_wire(dns.rdataclass.IN, dns.rdatatype.EUI64, wire, pad_len, len(eui)) if __name__ == '__main__': unittest.main() dnspython-1.15.0/tests/test_rdtypeanyloc.py0000644000076500000240000000666012770261242021530 0ustar halleystaff00000000000000# Copyright (C) 2014 Red Hat, Inc. # Author: Petr Spacek # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED 'AS IS' AND RED HAT DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. try: import unittest2 as unittest except ImportError: import unittest import dns.rrset import dns.rdtypes.ANY.LOC class RdtypeAnyLocTestCase(unittest.TestCase): def testEqual1(self): '''Test default values for size, horizontal and vertical precision.''' r1 = dns.rrset.from_text('foo', 300, 'IN', 'LOC', '49 11 42.400 N 16 36 29.600 E 227.64m') r2 = dns.rrset.from_text('FOO', 600, 'in', 'loc', '49 11 42.400 N 16 36 29.600 E 227.64m ' '1.00m 10000.00m 10.00m') self.failUnless(r1 == r2, '"%s" != "%s"' % (r1, r2)) def testEqual2(self): '''Test default values for size, horizontal and vertical precision.''' r1 = dns.rdtypes.ANY.LOC.LOC(1, 29, (49, 11, 42, 400, 1), (16, 36, 29, 600, 1), 22764.0) # centimeters r2 = dns.rdtypes.ANY.LOC.LOC(1, 29, (49, 11, 42, 400, 1), (16, 36, 29, 600, 1), 22764.0, # centimeters 100.0, 1000000.00, 1000.0) # centimeters self.failUnless(r1 == r2, '"%s" != "%s"' % (r1, r2)) def testEqual3(self): '''Test size, horizontal and vertical precision parsers: 100 cm == 1 m. Parsers in from_text() and __init__() have to produce equal results.''' r1 = dns.rdtypes.ANY.LOC.LOC(1, 29, (49, 11, 42, 400, 1), (16, 36, 29, 600, 1), 22764.0, 200.0, 1000.00, 200.0) # centimeters r2 = dns.rrset.from_text('FOO', 600, 'in', 'loc', '49 11 42.400 N 16 36 29.600 E 227.64m ' '2.00m 10.00m 2.00m')[0] self.failUnless(r1 == r2, '"%s" != "%s"' % (r1, r2)) def testEqual4(self): '''Test size, horizontal and vertical precision parsers without unit. Parsers in from_text() and __init__() have produce equal result for values with and without trailing "m".''' r1 = dns.rdtypes.ANY.LOC.LOC(1, 29, (49, 11, 42, 400, 1), (16, 36, 29, 600, 1), 22764.0, 200.0, 1000.00, 200.0) # centimeters r2 = dns.rrset.from_text('FOO', 600, 'in', 'loc', '49 11 42.400 N 16 36 29.600 E 227.64 ' '2 10 2')[0] # meters without explicit unit self.failUnless(r1 == r2, '"%s" != "%s"' % (r1, r2)) if __name__ == '__main__': unittest.main() dnspython-1.15.0/tests/test_resolver.py0000644000076500000240000003605512770261242020655 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. from io import StringIO import select import sys import socket import time try: import unittest2 as unittest except ImportError: import unittest import dns.message import dns.name import dns.rdataclass import dns.rdatatype import dns.resolver from dns._compat import xrange # Some tests require the internet to be available to run, so let's # skip those if it's not there. _network_available = True try: socket.gethostbyname('dnspython.org') except socket.gaierror: _network_available = False resolv_conf = u""" /t/t # comment 1 ; comment 2 domain foo nameserver 10.0.0.1 nameserver 10.0.0.2 """ message_text = """id 1234 opcode QUERY rcode NOERROR flags QR AA RD ;QUESTION example. IN A ;ANSWER example. 1 IN A 10.0.0.1 ;AUTHORITY ;ADDITIONAL """ dangling_cname_0_message_text = """id 10000 opcode QUERY rcode NOERROR flags QR AA RD RA ;QUESTION 91.11.17.172.in-addr.arpa.none. IN PTR ;ANSWER ;AUTHORITY ;ADDITIONAL """ dangling_cname_1_message_text = """id 10001 opcode QUERY rcode NOERROR flags QR AA RD RA ;QUESTION 91.11.17.172.in-addr.arpa. IN PTR ;ANSWER 11.17.172.in-addr.arpa. 86400 IN DNAME 11.8-22.17.172.in-addr.arpa. 91.11.17.172.in-addr.arpa. 86400 IN CNAME 91.11.8-22.17.172.in-addr.arpa. ;AUTHORITY ;ADDITIONAL """ dangling_cname_2_message_text = """id 10002 opcode QUERY rcode NOERROR flags QR AA RD RA ;QUESTION 91.11.17.172.in-addr.arpa.example. IN PTR ;ANSWER 91.11.17.172.in-addr.arpa.example. 86400 IN CNAME 91.11.17.172.in-addr.arpa.base. 91.11.17.172.in-addr.arpa.base. 86400 IN CNAME 91.11.17.172.clients.example. 91.11.17.172.clients.example. 86400 IN CNAME 91-11-17-172.dynamic.example. ;AUTHORITY ;ADDITIONAL """ class FakeAnswer(object): def __init__(self, expiration): self.expiration = expiration class BaseResolverTests(unittest.TestCase): if sys.platform != 'win32': def testRead(self): f = StringIO(resolv_conf) r = dns.resolver.Resolver(f) self.failUnless(r.nameservers == ['10.0.0.1', '10.0.0.2'] and r.domain == dns.name.from_text('foo')) def testCacheExpiration(self): message = dns.message.from_text(message_text) name = dns.name.from_text('example.') answer = dns.resolver.Answer(name, dns.rdatatype.A, dns.rdataclass.IN, message) cache = dns.resolver.Cache() cache.put((name, dns.rdatatype.A, dns.rdataclass.IN), answer) time.sleep(2) self.failUnless(cache.get((name, dns.rdatatype.A, dns.rdataclass.IN)) is None) def testCacheCleaning(self): message = dns.message.from_text(message_text) name = dns.name.from_text('example.') answer = dns.resolver.Answer(name, dns.rdatatype.A, dns.rdataclass.IN, message) cache = dns.resolver.Cache(cleaning_interval=1.0) cache.put((name, dns.rdatatype.A, dns.rdataclass.IN), answer) time.sleep(2) self.failUnless(cache.get((name, dns.rdatatype.A, dns.rdataclass.IN)) is None) @unittest.skipIf(not _network_available, "Internet not reachable") def testZoneForName1(self): name = dns.name.from_text('www.dnspython.org.') ezname = dns.name.from_text('dnspython.org.') zname = dns.resolver.zone_for_name(name) self.failUnless(zname == ezname) @unittest.skipIf(not _network_available, "Internet not reachable") def testZoneForName2(self): name = dns.name.from_text('a.b.www.dnspython.org.') ezname = dns.name.from_text('dnspython.org.') zname = dns.resolver.zone_for_name(name) self.failUnless(zname == ezname) @unittest.skipIf(not _network_available, "Internet not reachable") def testZoneForName3(self): name = dns.name.from_text('dnspython.org.') ezname = dns.name.from_text('dnspython.org.') zname = dns.resolver.zone_for_name(name) self.failUnless(zname == ezname) def testZoneForName4(self): def bad(): name = dns.name.from_text('dnspython.org', None) dns.resolver.zone_for_name(name) self.failUnlessRaises(dns.resolver.NotAbsolute, bad) def testLRUReplace(self): cache = dns.resolver.LRUCache(4) for i in xrange(0, 5): name = dns.name.from_text('example%d.' % i) answer = FakeAnswer(time.time() + 1) cache.put((name, dns.rdatatype.A, dns.rdataclass.IN), answer) for i in xrange(0, 5): name = dns.name.from_text('example%d.' % i) if i == 0: self.failUnless(cache.get((name, dns.rdatatype.A, dns.rdataclass.IN)) is None) else: self.failUnless(not cache.get((name, dns.rdatatype.A, dns.rdataclass.IN)) is None) def testLRUDoesLRU(self): cache = dns.resolver.LRUCache(4) for i in xrange(0, 4): name = dns.name.from_text('example%d.' % i) answer = FakeAnswer(time.time() + 1) cache.put((name, dns.rdatatype.A, dns.rdataclass.IN), answer) name = dns.name.from_text('example0.') cache.get((name, dns.rdatatype.A, dns.rdataclass.IN)) # The LRU is now example1. name = dns.name.from_text('example4.') answer = FakeAnswer(time.time() + 1) cache.put((name, dns.rdatatype.A, dns.rdataclass.IN), answer) for i in xrange(0, 5): name = dns.name.from_text('example%d.' % i) if i == 1: self.failUnless(cache.get((name, dns.rdatatype.A, dns.rdataclass.IN)) is None) else: self.failUnless(not cache.get((name, dns.rdatatype.A, dns.rdataclass.IN)) is None) def testLRUExpiration(self): cache = dns.resolver.LRUCache(4) for i in xrange(0, 4): name = dns.name.from_text('example%d.' % i) answer = FakeAnswer(time.time() + 1) cache.put((name, dns.rdatatype.A, dns.rdataclass.IN), answer) time.sleep(2) for i in xrange(0, 4): name = dns.name.from_text('example%d.' % i) self.failUnless(cache.get((name, dns.rdatatype.A, dns.rdataclass.IN)) is None) def testEmptyAnswerSection(self): # TODO: dangling_cname_0_message_text was the only sample message # with an empty answer section. Other than that it doesn't # apply. message = dns.message.from_text(dangling_cname_0_message_text) name = dns.name.from_text('example.') answer = dns.resolver.Answer(name, dns.rdatatype.A, dns.rdataclass.IN, message, raise_on_no_answer=False) def test_python_internal_truth(answer): if answer: return True else: return False self.assertFalse(test_python_internal_truth(answer)) for a in answer: pass class PollingMonkeyPatchMixin(object): def setUp(self): self.__native_polling_backend = dns.query._polling_backend dns.query._set_polling_backend(self.polling_backend()) unittest.TestCase.setUp(self) def tearDown(self): dns.query._set_polling_backend(self.__native_polling_backend) unittest.TestCase.tearDown(self) class SelectResolverTestCase(PollingMonkeyPatchMixin, BaseResolverTests, unittest.TestCase): def polling_backend(self): return dns.query._select_for if hasattr(select, 'poll'): class PollResolverTestCase(PollingMonkeyPatchMixin, BaseResolverTests, unittest.TestCase): def polling_backend(self): return dns.query._poll_for class NXDOMAINExceptionTestCase(unittest.TestCase): # pylint: disable=broad-except def test_nxdomain_compatible(self): n1 = dns.name.Name(('a', 'b', '')) n2 = dns.name.Name(('a', 'b', 's', '')) py3 = (sys.version_info[0] > 2) try: raise dns.resolver.NXDOMAIN except dns.exception.DNSException as e: if not py3: self.assertTrue((e.message == e.__doc__)) self.assertTrue((e.args == (e.__doc__,))) self.assertTrue(('kwargs' in dir(e))) self.assertTrue((str(e) == e.__doc__), str(e)) self.assertTrue(('qnames' not in e.kwargs)) self.assertTrue(('responses' not in e.kwargs)) try: raise dns.resolver.NXDOMAIN("errmsg") except dns.exception.DNSException as e: if not py3: self.assertTrue((e.message == "errmsg")) self.assertTrue((e.args == ("errmsg",))) self.assertTrue(('kwargs' in dir(e))) self.assertTrue((str(e) == "errmsg"), str(e)) self.assertTrue(('qnames' not in e.kwargs)) self.assertTrue(('responses' not in e.kwargs)) try: raise dns.resolver.NXDOMAIN("errmsg", -1) except dns.exception.DNSException as e: if not py3: self.assertTrue((e.message == "")) self.assertTrue((e.args == ("errmsg", -1))) self.assertTrue(('kwargs' in dir(e))) self.assertTrue((str(e) == "('errmsg', -1)"), str(e)) self.assertTrue(('qnames' not in e.kwargs)) self.assertTrue(('responses' not in e.kwargs)) try: raise dns.resolver.NXDOMAIN(qnames=None) except Exception as e: self.assertTrue((isinstance(e, AttributeError))) try: raise dns.resolver.NXDOMAIN(qnames=n1) except Exception as e: self.assertTrue((isinstance(e, AttributeError))) try: raise dns.resolver.NXDOMAIN(qnames=[]) except Exception as e: self.assertTrue((isinstance(e, AttributeError))) try: raise dns.resolver.NXDOMAIN(qnames=[n1]) except dns.exception.DNSException as e: MSG = "The DNS query name does not exist: a.b." if not py3: self.assertTrue((e.message == MSG), e.message) self.assertTrue((e.args == (MSG,)), repr(e.args)) self.assertTrue(('kwargs' in dir(e))) self.assertTrue((str(e) == MSG), str(e)) self.assertTrue(('qnames' in e.kwargs)) self.assertTrue((e.kwargs['qnames'] == [n1])) self.assertTrue(('responses' in e.kwargs)) self.assertTrue((e.kwargs['responses'] == {})) try: raise dns.resolver.NXDOMAIN(qnames=[n2, n1]) except Exception as e: e0 = dns.resolver.NXDOMAIN("errmsg") e = e0 + e MSG = "None of DNS query names exist: a.b.s., a.b." if not py3: self.assertTrue((e.message == MSG), e.message) self.assertTrue((e.args == (MSG,)), repr(e.args)) self.assertTrue(('kwargs' in dir(e))) self.assertTrue((str(e) == MSG), str(e)) self.assertTrue(('qnames' in e.kwargs)) self.assertTrue((e.kwargs['qnames'] == [n2, n1])) self.assertTrue(('responses' in e.kwargs)) self.assertTrue((e.kwargs['responses'] == {})) try: raise dns.resolver.NXDOMAIN(qnames=[n1], responses=['r1.1']) except Exception as e: self.assertTrue((isinstance(e, AttributeError))) try: raise dns.resolver.NXDOMAIN(qnames=[n1], responses={n1: 'r1.1'}) except Exception as e: MSG = "The DNS query name does not exist: a.b." if not py3: self.assertTrue((e.message == MSG), e.message) self.assertTrue((e.args == (MSG,)), repr(e.args)) self.assertTrue(('kwargs' in dir(e))) self.assertTrue((str(e) == MSG), str(e)) self.assertTrue(('qnames' in e.kwargs)) self.assertTrue((e.kwargs['qnames'] == [n1])) self.assertTrue(('responses' in e.kwargs)) self.assertTrue((e.kwargs['responses'] == {n1: 'r1.1'})) def test_nxdomain_merge(self): n1 = dns.name.Name(('a', 'b', '')) n2 = dns.name.Name(('a', 'b', '')) n3 = dns.name.Name(('a', 'b', 'c', '')) n4 = dns.name.Name(('a', 'b', 'd', '')) responses1 = {n1: 'r1.1', n2: 'r1.2', n4: 'r1.4'} qnames1 = [n1, n4] # n2 == n1 responses2 = {n2: 'r2.2', n3: 'r2.3'} qnames2 = [n2, n3] e0 = dns.resolver.NXDOMAIN() e1 = dns.resolver.NXDOMAIN(qnames=qnames1, responses=responses1) e2 = dns.resolver.NXDOMAIN(qnames=qnames2, responses=responses2) e = e1 + e0 + e2 self.assertRaises(AttributeError, lambda: e0 + e0) self.assertTrue(e.kwargs['qnames'] == [n1, n4, n3], repr(e.kwargs['qnames'])) self.assertTrue(e.kwargs['responses'][n1].startswith('r2.')) self.assertTrue(e.kwargs['responses'][n2].startswith('r2.')) self.assertTrue(e.kwargs['responses'][n3].startswith('r2.')) self.assertTrue(e.kwargs['responses'][n4].startswith('r1.')) def test_nxdomain_canonical_name(self): cname1 = "91.11.8-22.17.172.in-addr.arpa." cname2 = "91-11-17-172.dynamic.example." message0 = dns.message.from_text(dangling_cname_0_message_text) message1 = dns.message.from_text(dangling_cname_1_message_text) message2 = dns.message.from_text(dangling_cname_2_message_text) qname0 = message0.question[0].name qname1 = message1.question[0].name qname2 = message2.question[0].name responses = {qname0: message0, qname1: message1, qname2: message2} eX = dns.resolver.NXDOMAIN() e0 = dns.resolver.NXDOMAIN(qnames=[qname0], responses=responses) e1 = dns.resolver.NXDOMAIN(qnames=[qname0, qname1, qname2], responses=responses) e2 = dns.resolver.NXDOMAIN(qnames=[qname0, qname2, qname1], responses=responses) self.assertRaises(TypeError, lambda: eX.canonical_name) self.assertTrue(e0.canonical_name == qname0) self.assertTrue(e1.canonical_name == dns.name.from_text(cname1)) self.assertTrue(e2.canonical_name == dns.name.from_text(cname2)) if __name__ == '__main__': unittest.main() dnspython-1.15.0/tests/test_rrset.py0000644000076500000240000000444012770261242020144 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. try: import unittest2 as unittest except ImportError: import unittest import dns.rrset class RRsetTestCase(unittest.TestCase): def testEqual1(self): r1 = dns.rrset.from_text('foo', 300, 'in', 'a', '10.0.0.1', '10.0.0.2') r2 = dns.rrset.from_text('FOO', 300, 'in', 'a', '10.0.0.2', '10.0.0.1') self.failUnless(r1 == r2) def testEqual2(self): r1 = dns.rrset.from_text('foo', 300, 'in', 'a', '10.0.0.1', '10.0.0.2') r2 = dns.rrset.from_text('FOO', 600, 'in', 'a', '10.0.0.2', '10.0.0.1') self.failUnless(r1 == r2) def testNotEqual1(self): r1 = dns.rrset.from_text('fooa', 30, 'in', 'a', '10.0.0.1', '10.0.0.2') r2 = dns.rrset.from_text('FOO', 30, 'in', 'a', '10.0.0.2', '10.0.0.1') self.failUnless(r1 != r2) def testNotEqual2(self): r1 = dns.rrset.from_text('foo', 30, 'in', 'a', '10.0.0.1', '10.0.0.3') r2 = dns.rrset.from_text('FOO', 30, 'in', 'a', '10.0.0.2', '10.0.0.1') self.failUnless(r1 != r2) def testNotEqual3(self): r1 = dns.rrset.from_text('foo', 30, 'in', 'a', '10.0.0.1', '10.0.0.2', '10.0.0.3') r2 = dns.rrset.from_text('FOO', 30, 'in', 'a', '10.0.0.2', '10.0.0.1') self.failUnless(r1 != r2) def testNotEqual4(self): r1 = dns.rrset.from_text('foo', 30, 'in', 'a', '10.0.0.1') r2 = dns.rrset.from_text('FOO', 30, 'in', 'a', '10.0.0.2', '10.0.0.1') self.failUnless(r1 != r2) if __name__ == '__main__': unittest.main() dnspython-1.15.0/tests/test_set.py0000644000076500000240000001230512770261242017577 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. try: import unittest2 as unittest except ImportError: import unittest import dns.set # for convenience S = dns.set.Set class SimpleSetTestCase(unittest.TestCase): def testLen1(self): s1 = S() self.failUnless(len(s1) == 0) def testLen2(self): s1 = S([1, 2, 3]) self.failUnless(len(s1) == 3) def testLen3(self): s1 = S([1, 2, 3, 3, 3]) self.failUnless(len(s1) == 3) def testUnion1(self): s1 = S([1, 2, 3]) s2 = S([1, 2, 3]) e = S([1, 2, 3]) self.failUnless(s1 | s2 == e) def testUnion2(self): s1 = S([1, 2, 3]) s2 = S([]) e = S([1, 2, 3]) self.failUnless(s1 | s2 == e) def testUnion3(self): s1 = S([1, 2, 3]) s2 = S([3, 4]) e = S([1, 2, 3, 4]) self.failUnless(s1 | s2 == e) def testIntersection1(self): s1 = S([1, 2, 3]) s2 = S([1, 2, 3]) e = S([1, 2, 3]) self.failUnless(s1 & s2 == e) def testIntersection2(self): s1 = S([0, 1, 2, 3]) s2 = S([1, 2, 3, 4]) e = S([1, 2, 3]) self.failUnless(s1 & s2 == e) def testIntersection3(self): s1 = S([1, 2, 3]) s2 = S([]) e = S([]) self.failUnless(s1 & s2 == e) def testIntersection4(self): s1 = S([1, 2, 3]) s2 = S([5, 4]) e = S([]) self.failUnless(s1 & s2 == e) def testDifference1(self): s1 = S([1, 2, 3]) s2 = S([5, 4]) e = S([1, 2, 3]) self.failUnless(s1 - s2 == e) def testDifference2(self): s1 = S([1, 2, 3]) s2 = S([]) e = S([1, 2, 3]) self.failUnless(s1 - s2 == e) def testDifference3(self): s1 = S([1, 2, 3]) s2 = S([3, 2]) e = S([1]) self.failUnless(s1 - s2 == e) def testDifference4(self): s1 = S([1, 2, 3]) s2 = S([3, 2, 1]) e = S([]) self.failUnless(s1 - s2 == e) def testSubset1(self): s1 = S([1, 2, 3]) s2 = S([3, 2, 1]) self.failUnless(s1.issubset(s2)) def testSubset2(self): s1 = S([1, 2, 3]) self.failUnless(s1.issubset(s1)) def testSubset3(self): s1 = S([]) s2 = S([1, 2, 3]) self.failUnless(s1.issubset(s2)) def testSubset4(self): s1 = S([1]) s2 = S([1, 2, 3]) self.failUnless(s1.issubset(s2)) def testSubset5(self): s1 = S([]) s2 = S([]) self.failUnless(s1.issubset(s2)) def testSubset6(self): s1 = S([1, 4]) s2 = S([1, 2, 3]) self.failUnless(not s1.issubset(s2)) def testSuperset1(self): s1 = S([1, 2, 3]) s2 = S([3, 2, 1]) self.failUnless(s1.issuperset(s2)) def testSuperset2(self): s1 = S([1, 2, 3]) self.failUnless(s1.issuperset(s1)) def testSuperset3(self): s1 = S([1, 2, 3]) s2 = S([]) self.failUnless(s1.issuperset(s2)) def testSuperset4(self): s1 = S([1, 2, 3]) s2 = S([1]) self.failUnless(s1.issuperset(s2)) def testSuperset5(self): s1 = S([]) s2 = S([]) self.failUnless(s1.issuperset(s2)) def testSuperset6(self): s1 = S([1, 2, 3]) s2 = S([1, 4]) self.failUnless(not s1.issuperset(s2)) def testUpdate1(self): s1 = S([1, 2, 3]) u = (4, 5, 6) e = S([1, 2, 3, 4, 5, 6]) s1.update(u) self.failUnless(s1 == e) def testUpdate2(self): s1 = S([1, 2, 3]) u = [] e = S([1, 2, 3]) s1.update(u) self.failUnless(s1 == e) def testGetitem(self): s1 = S([1, 2, 3]) i0 = s1[0] i1 = s1[1] i2 = s1[2] s2 = S([i0, i1, i2]) self.failUnless(s1 == s2) def testGetslice(self): s1 = S([1, 2, 3]) slice = s1[0:2] self.failUnless(len(slice) == 2) item = s1[2] slice.append(item) s2 = S(slice) self.failUnless(s1 == s2) def testDelitem(self): s1 = S([1, 2, 3]) del s1[0] i1 = s1[0] i2 = s1[1] self.failUnless(i1 != i2) self.failUnless(i1 == 1 or i1 == 2 or i1 == 3) self.failUnless(i2 == 1 or i2 == 2 or i2 == 3) def testDelslice(self): s1 = S([1, 2, 3]) del s1[0:2] i1 = s1[0] self.failUnless(i1 == 1 or i1 == 2 or i1 == 3) if __name__ == '__main__': unittest.main() dnspython-1.15.0/tests/test_tokenizer.py0000644000076500000240000001575212770261242021027 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. try: import unittest2 as unittest except ImportError: import unittest import dns.exception import dns.tokenizer Token = dns.tokenizer.Token class TokenizerTestCase(unittest.TestCase): def testStr(self): tok = dns.tokenizer.Tokenizer('foo') token = tok.get() self.failUnless(token == Token(dns.tokenizer.IDENTIFIER, 'foo')) def testUnicode(self): tok = dns.tokenizer.Tokenizer(u'foo') token = tok.get() self.failUnless(token == Token(dns.tokenizer.IDENTIFIER, 'foo')) def testQuotedString1(self): tok = dns.tokenizer.Tokenizer(r'"foo"') token = tok.get() self.failUnless(token == Token(dns.tokenizer.QUOTED_STRING, 'foo')) def testQuotedString2(self): tok = dns.tokenizer.Tokenizer(r'""') token = tok.get() self.failUnless(token == Token(dns.tokenizer.QUOTED_STRING, '')) def testQuotedString3(self): tok = dns.tokenizer.Tokenizer(r'"\"foo\""') token = tok.get() self.failUnless(token == Token(dns.tokenizer.QUOTED_STRING, '"foo"')) def testQuotedString4(self): tok = dns.tokenizer.Tokenizer(r'"foo\010bar"') token = tok.get() self.failUnless(token == Token(dns.tokenizer.QUOTED_STRING, 'foo\x0abar')) def testQuotedString5(self): def bad(): tok = dns.tokenizer.Tokenizer(r'"foo') tok.get() self.failUnlessRaises(dns.exception.UnexpectedEnd, bad) def testQuotedString6(self): def bad(): tok = dns.tokenizer.Tokenizer(r'"foo\01') tok.get() self.failUnlessRaises(dns.exception.SyntaxError, bad) def testQuotedString7(self): def bad(): tok = dns.tokenizer.Tokenizer('"foo\nbar"') tok.get() self.failUnlessRaises(dns.exception.SyntaxError, bad) def testEmpty1(self): tok = dns.tokenizer.Tokenizer('') token = tok.get() self.failUnless(token.is_eof()) def testEmpty2(self): tok = dns.tokenizer.Tokenizer('') token1 = tok.get() token2 = tok.get() self.failUnless(token1.is_eof() and token2.is_eof()) def testEOL(self): tok = dns.tokenizer.Tokenizer('\n') token1 = tok.get() token2 = tok.get() self.failUnless(token1.is_eol() and token2.is_eof()) def testWS1(self): tok = dns.tokenizer.Tokenizer(' \n') token1 = tok.get() self.failUnless(token1.is_eol()) def testWS2(self): tok = dns.tokenizer.Tokenizer(' \n') token1 = tok.get(want_leading=True) self.failUnless(token1.is_whitespace()) def testComment1(self): tok = dns.tokenizer.Tokenizer(' ;foo\n') token1 = tok.get() self.failUnless(token1.is_eol()) def testComment2(self): tok = dns.tokenizer.Tokenizer(' ;foo\n') token1 = tok.get(want_comment=True) token2 = tok.get() self.failUnless(token1 == Token(dns.tokenizer.COMMENT, 'foo') and token2.is_eol()) def testComment3(self): tok = dns.tokenizer.Tokenizer(' ;foo bar\n') token1 = tok.get(want_comment=True) token2 = tok.get() self.failUnless(token1 == Token(dns.tokenizer.COMMENT, 'foo bar') and token2.is_eol()) def testMultiline1(self): tok = dns.tokenizer.Tokenizer('( foo\n\n bar\n)') tokens = list(iter(tok)) self.failUnless(tokens == [Token(dns.tokenizer.IDENTIFIER, 'foo'), Token(dns.tokenizer.IDENTIFIER, 'bar')]) def testMultiline2(self): tok = dns.tokenizer.Tokenizer('( foo\n\n bar\n)\n') tokens = list(iter(tok)) self.failUnless(tokens == [Token(dns.tokenizer.IDENTIFIER, 'foo'), Token(dns.tokenizer.IDENTIFIER, 'bar'), Token(dns.tokenizer.EOL, '\n')]) def testMultiline3(self): def bad(): tok = dns.tokenizer.Tokenizer('foo)') list(iter(tok)) self.failUnlessRaises(dns.exception.SyntaxError, bad) def testMultiline4(self): def bad(): tok = dns.tokenizer.Tokenizer('((foo)') list(iter(tok)) self.failUnlessRaises(dns.exception.SyntaxError, bad) def testUnget1(self): tok = dns.tokenizer.Tokenizer('foo') t1 = tok.get() tok.unget(t1) t2 = tok.get() self.failUnless(t1 == t2 and t1.ttype == dns.tokenizer.IDENTIFIER and \ t1.value == 'foo') def testUnget2(self): def bad(): tok = dns.tokenizer.Tokenizer('foo') t1 = tok.get() tok.unget(t1) tok.unget(t1) self.failUnlessRaises(dns.tokenizer.UngetBufferFull, bad) def testGetEOL1(self): tok = dns.tokenizer.Tokenizer('\n') t = tok.get_eol() self.failUnless(t == '\n') def testGetEOL2(self): tok = dns.tokenizer.Tokenizer('') t = tok.get_eol() self.failUnless(t == '') def testEscapedDelimiter1(self): tok = dns.tokenizer.Tokenizer(r'ch\ ld') t = tok.get() self.failUnless(t.ttype == dns.tokenizer.IDENTIFIER and t.value == r'ch\ ld') def testEscapedDelimiter2(self): tok = dns.tokenizer.Tokenizer(r'ch\032ld') t = tok.get() self.failUnless(t.ttype == dns.tokenizer.IDENTIFIER and t.value == r'ch\032ld') def testEscapedDelimiter3(self): tok = dns.tokenizer.Tokenizer(r'ch\ild') t = tok.get() self.failUnless(t.ttype == dns.tokenizer.IDENTIFIER and t.value == r'ch\ild') def testEscapedDelimiter1u(self): tok = dns.tokenizer.Tokenizer(r'ch\ ld') t = tok.get().unescape() self.failUnless(t.ttype == dns.tokenizer.IDENTIFIER and t.value == r'ch ld') def testEscapedDelimiter2u(self): tok = dns.tokenizer.Tokenizer(r'ch\032ld') t = tok.get().unescape() self.failUnless(t.ttype == dns.tokenizer.IDENTIFIER and t.value == 'ch ld') def testEscapedDelimiter3u(self): tok = dns.tokenizer.Tokenizer(r'ch\ild') t = tok.get().unescape() self.failUnless(t.ttype == dns.tokenizer.IDENTIFIER and t.value == r'child') if __name__ == '__main__': unittest.main() dnspython-1.15.0/tests/test_update.py0000644000076500000240000000765312770261242020300 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. try: import unittest2 as unittest except ImportError: import unittest import binascii import dns.update import dns.rdata import dns.rdataset goodhex = '0001 2800 0001 0005 0007 0000' \ '076578616d706c6500 0006 0001' \ '03666f6fc00c 00ff 00ff 00000000 0000' \ 'c019 0001 00ff 00000000 0000' \ '03626172c00c 0001 0001 00000000 0004 0a000005' \ '05626c617a32c00c 00ff 00fe 00000000 0000' \ 'c049 0001 00fe 00000000 0000' \ 'c019 0001 00ff 00000000 0000' \ 'c019 0001 0001 0000012c 0004 0a000001' \ 'c019 0001 0001 0000012c 0004 0a000002' \ 'c035 0001 0001 0000012c 0004 0a000003' \ 'c035 0001 00fe 00000000 0004 0a000004' \ '04626c617ac00c 0001 00ff 00000000 0000' \ 'c049 00ff 00ff 00000000 0000' goodwire = binascii.unhexlify(goodhex.replace(' ', '').encode()) update_text = """id 1 opcode UPDATE rcode NOERROR ;ZONE example. IN SOA ;PREREQ foo ANY ANY foo ANY A bar 0 IN A 10.0.0.5 blaz2 NONE ANY blaz2 NONE A ;UPDATE foo ANY A foo 300 IN A 10.0.0.1 foo 300 IN A 10.0.0.2 bar 300 IN A 10.0.0.3 bar 0 NONE A 10.0.0.4 blaz ANY A blaz2 ANY ANY """ class UpdateTestCase(unittest.TestCase): def test_to_wire1(self): update = dns.update.Update('example') update.id = 1 update.present('foo') update.present('foo', 'a') update.present('bar', 'a', '10.0.0.5') update.absent('blaz2') update.absent('blaz2', 'a') update.replace('foo', 300, 'a', '10.0.0.1', '10.0.0.2') update.add('bar', 300, 'a', '10.0.0.3') update.delete('bar', 'a', '10.0.0.4') update.delete('blaz', 'a') update.delete('blaz2') self.failUnless(update.to_wire() == goodwire) def test_to_wire2(self): update = dns.update.Update('example') update.id = 1 update.present('foo') update.present('foo', 'a') update.present('bar', 'a', '10.0.0.5') update.absent('blaz2') update.absent('blaz2', 'a') update.replace('foo', 300, 'a', '10.0.0.1', '10.0.0.2') update.add('bar', 300, dns.rdata.from_text(1, 1, '10.0.0.3')) update.delete('bar', 'a', '10.0.0.4') update.delete('blaz', 'a') update.delete('blaz2') self.failUnless(update.to_wire() == goodwire) def test_to_wire3(self): update = dns.update.Update('example') update.id = 1 update.present('foo') update.present('foo', 'a') update.present('bar', 'a', '10.0.0.5') update.absent('blaz2') update.absent('blaz2', 'a') update.replace('foo', 300, 'a', '10.0.0.1', '10.0.0.2') update.add('bar', dns.rdataset.from_text(1, 1, 300, '10.0.0.3')) update.delete('bar', 'a', '10.0.0.4') update.delete('blaz', 'a') update.delete('blaz2') self.failUnless(update.to_wire() == goodwire) def test_from_text1(self): update = dns.message.from_text(update_text) w = update.to_wire(origin=dns.name.from_text('example'), want_shuffle=False) self.failUnless(w == goodwire) if __name__ == '__main__': unittest.main() dnspython-1.15.0/tests/test_wiredata.py0000644000076500000240000001056712770261242020614 0ustar halleystaff00000000000000# Copyright (C) 2016 # Author: Martin Basti # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. try: import unittest2 as unittest except ImportError: import unittest from dns.exception import FormError from dns.wiredata import WireData class WireDataSlicingTestCase(unittest.TestCase): def testSliceAll(self): """Get all data""" inst = WireData(b'0123456789') self.assertEqual(inst[:], WireData(b'0123456789')) def testSliceAllExplicitlyDefined(self): """Get all data""" inst = WireData(b'0123456789') self.assertEqual(inst[0:10], WireData(b'0123456789')) def testSliceLowerHalf(self): """Get lower half of data""" inst = WireData(b'0123456789') self.assertEqual(inst[:5], WireData(b'01234')) def testSliceLowerHalfWithNegativeIndex(self): """Get lower half of data""" inst = WireData(b'0123456789') self.assertEqual(inst[:-5], WireData(b'01234')) def testSliceUpperHalf(self): """Get upper half of data""" inst = WireData(b'0123456789') self.assertEqual(inst[5:], WireData(b'56789')) def testSliceMiddle(self): """Get data from middle""" inst = WireData(b'0123456789') self.assertEqual(inst[3:6], WireData(b'345')) def testSliceMiddleWithNegativeIndex(self): """Get data from middle""" inst = WireData(b'0123456789') self.assertEqual(inst[-6:-3], WireData(b'456')) def testSliceMiddleWithMixedIndex(self): """Get data from middle""" inst = WireData(b'0123456789') self.assertEqual(inst[-8:3], WireData(b'2')) self.assertEqual(inst[5:-3], WireData(b'56')) def testGetOne(self): """Get data one by one item""" data = b'0123456789' inst = WireData(data) for i, byte in enumerate(bytearray(data)): self.assertEqual(inst[i], byte) for i in range(-1, len(data) * -1, -1): self.assertEqual(inst[i], bytearray(data)[i]) def testEmptySlice(self): """Test empty slice""" data = b'0123456789' inst = WireData(data) for i, byte in enumerate(data): self.assertEqual(inst[i:i], b'') for i in range(-1, len(data) * -1, -1): self.assertEqual(inst[i:i], b'') self.assertEqual(inst[-3:-6], b'') def testSliceStartOutOfLowerBorder(self): """Get data from out of lower border""" inst = WireData(b'0123456789') with self.assertRaises(FormError): inst[-11:] # pylint: disable=pointless-statement def testSliceStopOutOfLowerBorder(self): """Get data from out of lower border""" inst = WireData(b'0123456789') with self.assertRaises(FormError): inst[:-11] # pylint: disable=pointless-statement def testSliceBothOutOfLowerBorder(self): """Get data from out of lower border""" inst = WireData(b'0123456789') with self.assertRaises(FormError): inst[-12:-11] # pylint: disable=pointless-statement def testSliceStartOutOfUpperBorder(self): """Get data from out of upper border""" inst = WireData(b'0123456789') with self.assertRaises(FormError): inst[11:] # pylint: disable=pointless-statement def testSliceStopOutOfUpperBorder(self): """Get data from out of upper border""" inst = WireData(b'0123456789') with self.assertRaises(FormError): inst[:11] # pylint: disable=pointless-statement def testSliceBothOutOfUpperBorder(self): """Get data from out of lower border""" inst = WireData(b'0123456789') with self.assertRaises(FormError): inst[10:20] # pylint: disable=pointless-statement def testGetOneOutOfLowerBorder(self): """Get item outside of range""" inst = WireData(b'0123456789') with self.assertRaises(FormError): inst[-11] # pylint: disable=pointless-statement def testGetOneOutOfUpperBorder(self): """Get item outside of range""" inst = WireData(b'0123456789') with self.assertRaises(FormError): inst[10] # pylint: disable=pointless-statement dnspython-1.15.0/tests/test_zone.py0000644000076500000240000004212212770261242017757 0ustar halleystaff00000000000000# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose with or without fee is hereby granted, # provided that the above copyright notice and this permission notice # appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. from io import BytesIO, StringIO import filecmp import os try: import unittest2 as unittest except ImportError: import unittest import dns.exception import dns.rdata import dns.rdataclass import dns.rdatatype import dns.rrset import dns.zone def here(filename): return os.path.join(os.path.dirname(__file__), filename) example_text = """$TTL 3600 $ORIGIN example. @ soa foo bar 1 2 3 4 5 @ ns ns1 @ ns ns2 ns1 a 10.0.0.1 ns2 a 10.0.0.2 $TTL 300 $ORIGIN foo.example. bar mx 0 blaz """ example_text_output = """@ 3600 IN SOA foo bar 1 2 3 4 5 @ 3600 IN NS ns1 @ 3600 IN NS ns2 bar.foo 300 IN MX 0 blaz.foo ns1 3600 IN A 10.0.0.1 ns2 3600 IN A 10.0.0.2 """ something_quite_similar = """@ 3600 IN SOA foo bar 1 2 3 4 5 @ 3600 IN NS ns1 @ 3600 IN NS ns2 bar.foo 300 IN MX 0 blaz.foo ns1 3600 IN A 10.0.0.1 ns2 3600 IN A 10.0.0.3 """ something_different = """@ 3600 IN SOA fooa bar 1 2 3 4 5 @ 3600 IN NS ns11 @ 3600 IN NS ns21 bar.fooa 300 IN MX 0 blaz.fooa ns11 3600 IN A 10.0.0.11 ns21 3600 IN A 10.0.0.21 """ ttl_example_text = """$TTL 1h $ORIGIN example. @ soa foo bar 1 2 3 4 5 @ ns ns1 @ ns ns2 ns1 1d1s a 10.0.0.1 ns2 1w1D1h1m1S a 10.0.0.2 """ no_soa_text = """$TTL 1h $ORIGIN example. @ ns ns1 @ ns ns2 ns1 1d1s a 10.0.0.1 ns2 1w1D1h1m1S a 10.0.0.2 """ no_ns_text = """$TTL 1h $ORIGIN example. @ soa foo bar 1 2 3 4 5 """ include_text = """$INCLUDE "%s" """ % here("example") bad_directive_text = """$FOO bar $ORIGIN example. @ soa foo bar 1 2 3 4 5 @ ns ns1 @ ns ns2 ns1 1d1s a 10.0.0.1 ns2 1w1D1h1m1S a 10.0.0.2 """ _keep_output = True def _rdata_sort(a): return (a[0], a[2].rdclass, a[2].to_text()) class ZoneTestCase(unittest.TestCase): def testFromFile1(self): z = dns.zone.from_file(here('example'), 'example') ok = False try: z.to_file(here('example1.out'), nl=b'\x0a') ok = filecmp.cmp(here('example1.out'), here('example1.good')) finally: if not _keep_output: os.unlink(here('example1.out')) self.failUnless(ok) def testFromFile2(self): z = dns.zone.from_file(here('example'), 'example', relativize=False) ok = False try: z.to_file(here('example2.out'), relativize=False, nl=b'\x0a') ok = filecmp.cmp(here('example2.out'), here('example2.good')) finally: if not _keep_output: os.unlink(here('example2.out')) self.failUnless(ok) def testToFileTextualStream(self): z = dns.zone.from_text(example_text, 'example.', relativize=True) f = StringIO() z.to_file(f) out = f.getvalue() f.close() self.assertEqual(out, example_text_output) def testToFileBinaryStream(self): z = dns.zone.from_text(example_text, 'example.', relativize=True) f = BytesIO() z.to_file(f) out = f.getvalue() f.close() self.assertEqual(out, example_text_output.encode()) def testToFileTextual(self): z = dns.zone.from_file(here('example'), 'example') try: f = open(here('example3-textual.out'), 'w') z.to_file(f) f.close() ok = filecmp.cmp(here('example3-textual.out'), here('example3.good')) finally: if not _keep_output: os.unlink(here('example3-textual.out')) self.failUnless(ok) def testToFileBinary(self): z = dns.zone.from_file(here('example'), 'example') try: f = open(here('example3-binary.out'), 'wb') z.to_file(f) f.close() ok = filecmp.cmp(here('example3-binary.out'), here('example3.good')) finally: if not _keep_output: os.unlink(here('example3-binary.out')) self.failUnless(ok) def testToFileFilename(self): z = dns.zone.from_file(here('example'), 'example') try: z.to_file('example3-filename.out') ok = filecmp.cmp(here('example3-filename.out'), here('example3.good')) finally: if not _keep_output: os.unlink(here('example3-filename.out')) self.failUnless(ok) def testToText(self): z = dns.zone.from_file(here('example'), 'example') ok = False try: text_zone = z.to_text(nl=b'\x0a') f = open(here('example3.out'), 'wb') f.write(text_zone) f.close() ok = filecmp.cmp(here('example3.out'), here('example3.good')) finally: if not _keep_output: os.unlink(here('example3.out')) self.failUnless(ok) def testFromText(self): z = dns.zone.from_text(example_text, 'example.', relativize=True) f = StringIO() names = list(z.nodes.keys()) names.sort() for n in names: f.write(z[n].to_text(n)) f.write(u'\n') self.assertEqual(f.getvalue(), example_text_output) def testTorture1(self): # # Read a zone containing all our supported RR types, and # for each RR in the zone, convert the rdata into wire format # and then back out, and see if we get equal rdatas. # f = BytesIO() o = dns.name.from_text('example.') z = dns.zone.from_file(here('example'), o) for node in z.values(): for rds in node: for rd in rds: f.seek(0) f.truncate() rd.to_wire(f, origin=o) wire = f.getvalue() rd2 = dns.rdata.from_wire(rds.rdclass, rds.rdtype, wire, 0, len(wire), origin=o) self.failUnless(rd == rd2) def testEqual(self): z1 = dns.zone.from_text(example_text, 'example.', relativize=True) z2 = dns.zone.from_text(example_text_output, 'example.', relativize=True) self.failUnless(z1 == z2) def testNotEqual1(self): z1 = dns.zone.from_text(example_text, 'example.', relativize=True) z2 = dns.zone.from_text(something_quite_similar, 'example.', relativize=True) self.failUnless(z1 != z2) def testNotEqual2(self): z1 = dns.zone.from_text(example_text, 'example.', relativize=True) z2 = dns.zone.from_text(something_different, 'example.', relativize=True) self.failUnless(z1 != z2) def testNotEqual3(self): z1 = dns.zone.from_text(example_text, 'example.', relativize=True) z2 = dns.zone.from_text(something_different, 'example2.', relativize=True) self.failUnless(z1 != z2) def testFindRdataset1(self): z = dns.zone.from_text(example_text, 'example.', relativize=True) rds = z.find_rdataset('@', 'soa') exrds = dns.rdataset.from_text('IN', 'SOA', 300, 'foo bar 1 2 3 4 5') self.failUnless(rds == exrds) def testFindRdataset2(self): def bad(): z = dns.zone.from_text(example_text, 'example.', relativize=True) z.find_rdataset('@', 'loc') self.failUnlessRaises(KeyError, bad) def testFindRRset1(self): z = dns.zone.from_text(example_text, 'example.', relativize=True) rrs = z.find_rrset('@', 'soa') exrrs = dns.rrset.from_text('@', 300, 'IN', 'SOA', 'foo bar 1 2 3 4 5') self.failUnless(rrs == exrrs) def testFindRRset2(self): def bad(): z = dns.zone.from_text(example_text, 'example.', relativize=True) z.find_rrset('@', 'loc') self.failUnlessRaises(KeyError, bad) def testGetRdataset1(self): z = dns.zone.from_text(example_text, 'example.', relativize=True) rds = z.get_rdataset('@', 'soa') exrds = dns.rdataset.from_text('IN', 'SOA', 300, 'foo bar 1 2 3 4 5') self.failUnless(rds == exrds) def testGetRdataset2(self): z = dns.zone.from_text(example_text, 'example.', relativize=True) rds = z.get_rdataset('@', 'loc') self.failUnless(rds is None) def testGetRRset1(self): z = dns.zone.from_text(example_text, 'example.', relativize=True) rrs = z.get_rrset('@', 'soa') exrrs = dns.rrset.from_text('@', 300, 'IN', 'SOA', 'foo bar 1 2 3 4 5') self.failUnless(rrs == exrrs) def testGetRRset2(self): z = dns.zone.from_text(example_text, 'example.', relativize=True) rrs = z.get_rrset('@', 'loc') self.failUnless(rrs is None) def testReplaceRdataset1(self): z = dns.zone.from_text(example_text, 'example.', relativize=True) rdataset = dns.rdataset.from_text('in', 'ns', 300, 'ns3', 'ns4') z.replace_rdataset('@', rdataset) rds = z.get_rdataset('@', 'ns') self.failUnless(rds is rdataset) def testReplaceRdataset2(self): z = dns.zone.from_text(example_text, 'example.', relativize=True) rdataset = dns.rdataset.from_text('in', 'txt', 300, '"foo"') z.replace_rdataset('@', rdataset) rds = z.get_rdataset('@', 'txt') self.failUnless(rds is rdataset) def testDeleteRdataset1(self): z = dns.zone.from_text(example_text, 'example.', relativize=True) z.delete_rdataset('@', 'ns') rds = z.get_rdataset('@', 'ns') self.failUnless(rds is None) def testDeleteRdataset2(self): z = dns.zone.from_text(example_text, 'example.', relativize=True) z.delete_rdataset('ns1', 'a') node = z.get_node('ns1') self.failUnless(node is None) def testNodeFindRdataset1(self): z = dns.zone.from_text(example_text, 'example.', relativize=True) node = z['@'] rds = node.find_rdataset(dns.rdataclass.IN, dns.rdatatype.SOA) exrds = dns.rdataset.from_text('IN', 'SOA', 300, 'foo bar 1 2 3 4 5') self.failUnless(rds == exrds) def testNodeFindRdataset2(self): def bad(): z = dns.zone.from_text(example_text, 'example.', relativize=True) node = z['@'] node.find_rdataset(dns.rdataclass.IN, dns.rdatatype.LOC) self.failUnlessRaises(KeyError, bad) def testNodeGetRdataset1(self): z = dns.zone.from_text(example_text, 'example.', relativize=True) node = z['@'] rds = node.get_rdataset(dns.rdataclass.IN, dns.rdatatype.SOA) exrds = dns.rdataset.from_text('IN', 'SOA', 300, 'foo bar 1 2 3 4 5') self.failUnless(rds == exrds) def testNodeGetRdataset2(self): z = dns.zone.from_text(example_text, 'example.', relativize=True) node = z['@'] rds = node.get_rdataset(dns.rdataclass.IN, dns.rdatatype.LOC) self.failUnless(rds is None) def testNodeDeleteRdataset1(self): z = dns.zone.from_text(example_text, 'example.', relativize=True) node = z['@'] node.delete_rdataset(dns.rdataclass.IN, dns.rdatatype.SOA) rds = node.get_rdataset(dns.rdataclass.IN, dns.rdatatype.SOA) self.failUnless(rds is None) def testNodeDeleteRdataset2(self): z = dns.zone.from_text(example_text, 'example.', relativize=True) node = z['@'] node.delete_rdataset(dns.rdataclass.IN, dns.rdatatype.LOC) rds = node.get_rdataset(dns.rdataclass.IN, dns.rdatatype.LOC) self.failUnless(rds is None) def testIterateRdatasets(self): z = dns.zone.from_text(example_text, 'example.', relativize=True) ns = [n for n, r in z.iterate_rdatasets('A')] ns.sort() self.failUnless(ns == [dns.name.from_text('ns1', None), dns.name.from_text('ns2', None)]) def testIterateAllRdatasets(self): z = dns.zone.from_text(example_text, 'example.', relativize=True) ns = [n for n, r in z.iterate_rdatasets()] ns.sort() self.failUnless(ns == [dns.name.from_text('@', None), dns.name.from_text('@', None), dns.name.from_text('bar.foo', None), dns.name.from_text('ns1', None), dns.name.from_text('ns2', None)]) def testIterateRdatas(self): z = dns.zone.from_text(example_text, 'example.', relativize=True) l = list(z.iterate_rdatas('A')) l.sort() exl = [(dns.name.from_text('ns1', None), 3600, dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.A, '10.0.0.1')), (dns.name.from_text('ns2', None), 3600, dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.A, '10.0.0.2'))] self.failUnless(l == exl) def testIterateAllRdatas(self): z = dns.zone.from_text(example_text, 'example.', relativize=True) l = list(z.iterate_rdatas()) l.sort(key=_rdata_sort) exl = [(dns.name.from_text('@', None), 3600, dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.NS, 'ns1')), (dns.name.from_text('@', None), 3600, dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.NS, 'ns2')), (dns.name.from_text('@', None), 3600, dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.SOA, 'foo bar 1 2 3 4 5')), (dns.name.from_text('bar.foo', None), 300, dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.MX, '0 blaz.foo')), (dns.name.from_text('ns1', None), 3600, dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.A, '10.0.0.1')), (dns.name.from_text('ns2', None), 3600, dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.A, '10.0.0.2'))] exl.sort(key=_rdata_sort) self.failUnless(l == exl) def testTTLs(self): z = dns.zone.from_text(ttl_example_text, 'example.', relativize=True) n = z['@'] rds = n.get_rdataset(dns.rdataclass.IN, dns.rdatatype.SOA) self.failUnless(rds.ttl == 3600) n = z['ns1'] rds = n.get_rdataset(dns.rdataclass.IN, dns.rdatatype.A) self.failUnless(rds.ttl == 86401) n = z['ns2'] rds = n.get_rdataset(dns.rdataclass.IN, dns.rdatatype.A) self.failUnless(rds.ttl == 694861) def testNoSOA(self): def bad(): dns.zone.from_text(no_soa_text, 'example.', relativize=True) self.failUnlessRaises(dns.zone.NoSOA, bad) def testNoNS(self): def bad(): dns.zone.from_text(no_ns_text, 'example.', relativize=True) self.failUnlessRaises(dns.zone.NoNS, bad) def testInclude(self): z1 = dns.zone.from_text(include_text, 'example.', relativize=True, allow_include=True) z2 = dns.zone.from_file(here('example'), 'example.', relativize=True) self.failUnless(z1 == z2) def testBadDirective(self): def bad(): dns.zone.from_text(bad_directive_text, 'example.', relativize=True) self.failUnlessRaises(dns.exception.SyntaxError, bad) def testFirstRRStartsWithWhitespace(self): # no name is specified, so default to the initial origin # no ttl is specified, so default to the initial TTL of 0 z = dns.zone.from_text(' IN A 10.0.0.1', origin='example.', check_origin=False) n = z['@'] rds = n.get_rdataset(dns.rdataclass.IN, dns.rdatatype.A) self.failUnless(rds.ttl == 0) def testZoneOrigin(self): z = dns.zone.Zone('example.') self.failUnless(z.origin == dns.name.from_text('example.')) def bad1(): o = dns.name.from_text('example', None) dns.zone.Zone(o) self.failUnlessRaises(ValueError, bad1) def bad2(): dns.zone.Zone(1.0) self.failUnlessRaises(ValueError, bad2) def testZoneOriginNone(self): dns.zone.Zone(None) if __name__ == '__main__': unittest.main() dnspython-1.15.0/tests/utest.py0000644000076500000240000000051212770261242017106 0ustar halleystaff00000000000000import os.path import sys try: import unittest2 as unittest except ImportError: import unittest if __name__ == '__main__': sys.path.insert(0, os.path.realpath('..')) suites = unittest.defaultTestLoader.discover('.') if not unittest.TextTestRunner(verbosity=2).run(suites).wasSuccessful(): sys.exit(1)