doscan-0.3.3/0000755000175000017500000000000012422725647010611 5ustar fwfwdoscan-0.3.3/.gitignore0000644000175000017500000000023312421757477012604 0ustar fwfw/Makefile /autom4te.cache /config.h /config.h.in /config.log /config.status /configure /doscan /doscan-*.tar.gz /src/gen_proto_register.cc *.[od] /stamp-* doscan-0.3.3/COPYING0000644000175000017500000004311012421722573011635 0ustar fwfw GNU GENERAL PUBLIC LICENSE Version 2, June 1991 Copyright (C) 1989, 1991 Free Software Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed. Preamble The licenses for most software are designed to take away your freedom to share and change it. By contrast, the GNU General Public License is intended to guarantee your freedom to share and change free software--to make sure the software is free for all its users. This General Public License applies to most of the Free Software Foundation's software and to any other program whose authors commit to using it. (Some other Free Software Foundation software is covered by the GNU Library General Public License instead.) You can apply it to your programs, too. When we speak of free software, we are referring to freedom, not price. Our General Public Licenses are designed to make sure that you have the freedom to distribute copies of free software (and charge for this service if you wish), that you receive source code or can get it if you want it, that you can change the software or use pieces of it in new free programs; and that you know you can do these things. To protect your rights, we need to make restrictions that forbid anyone to deny you these rights or to ask you to surrender the rights. These restrictions translate to certain responsibilities for you if you distribute copies of the software, or if you modify it. For example, if you distribute copies of such a program, whether gratis or for a fee, you must give the recipients all the rights that you have. You must make sure that they, too, receive or can get the source code. And you must show them these terms so they know their rights. We protect your rights with two steps: (1) copyright the software, and (2) offer you this license which gives you legal permission to copy, distribute and/or modify the software. Also, for each author's protection and ours, we want to make certain that everyone understands that there is no warranty for this free software. If the software is modified by someone else and passed on, we want its recipients to know that what they have is not the original, so that any problems introduced by others will not reflect on the original authors' reputations. Finally, any free program is threatened constantly by software patents. We wish to avoid the danger that redistributors of a free program will individually obtain patent licenses, in effect making the program proprietary. To prevent this, we have made it clear that any patent must be licensed for everyone's free use or not licensed at all. The precise terms and conditions for copying, distribution and modification follow. GNU GENERAL PUBLIC LICENSE TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION 0. This License applies to any program or other work which contains a notice placed by the copyright holder saying it may be distributed under the terms of this General Public License. The "Program", below, refers to any such program or work, and a "work based on the Program" means either the Program or any derivative work under copyright law: that is to say, a work containing the Program or a portion of it, either verbatim or with modifications and/or translated into another language. (Hereinafter, translation is included without limitation in the term "modification".) Each licensee is addressed as "you". Activities other than copying, distribution and modification are not covered by this License; they are outside its scope. The act of running the Program is not restricted, and the output from the Program is covered only if its contents constitute a work based on the Program (independent of having been made by running the Program). Whether that is true depends on what the Program does. 1. You may copy and distribute verbatim copies of the Program's source code as you receive it, in any medium, provided that you conspicuously and appropriately publish on each copy an appropriate copyright notice and disclaimer of warranty; keep intact all the notices that refer to this License and to the absence of any warranty; and give any other recipients of the Program a copy of this License along with the Program. You may charge a fee for the physical act of transferring a copy, and you may at your option offer warranty protection in exchange for a fee. 2. You may modify your copy or copies of the Program or any portion of it, thus forming a work based on the Program, and copy and distribute such modifications or work under the terms of Section 1 above, provided that you also meet all of these conditions: a) You must cause the modified files to carry prominent notices stating that you changed the files and the date of any change. b) You must cause any work that you distribute or publish, that in whole or in part contains or is derived from the Program or any part thereof, to be licensed as a whole at no charge to all third parties under the terms of this License. c) If the modified program normally reads commands interactively when run, you must cause it, when started running for such interactive use in the most ordinary way, to print or display an announcement including an appropriate copyright notice and a notice that there is no warranty (or else, saying that you provide a warranty) and that users may redistribute the program under these conditions, and telling the user how to view a copy of this License. (Exception: if the Program itself is interactive but does not normally print such an announcement, your work based on the Program is not required to print an announcement.) These requirements apply to the modified work as a whole. If identifiable sections of that work are not derived from the Program, and can be reasonably considered independent and separate works in themselves, then this License, and its terms, do not apply to those sections when you distribute them as separate works. But when you distribute the same sections as part of a whole which is a work based on the Program, the distribution of the whole must be on the terms of this License, whose permissions for other licensees extend to the entire whole, and thus to each and every part regardless of who wrote it. Thus, it is not the intent of this section to claim rights or contest your rights to work written entirely by you; rather, the intent is to exercise the right to control the distribution of derivative or collective works based on the Program. In addition, mere aggregation of another work not based on the Program with the Program (or with a work based on the Program) on a volume of a storage or distribution medium does not bring the other work under the scope of this License. 3. You may copy and distribute the Program (or a work based on it, under Section 2) in object code or executable form under the terms of Sections 1 and 2 above provided that you also do one of the following: a) Accompany it with the complete corresponding machine-readable source code, which must be distributed under the terms of Sections 1 and 2 above on a medium customarily used for software interchange; or, b) Accompany it with a written offer, valid for at least three years, to give any third party, for a charge no more than your cost of physically performing source distribution, a complete machine-readable copy of the corresponding source code, to be distributed under the terms of Sections 1 and 2 above on a medium customarily used for software interchange; or, c) Accompany it with the information you received as to the offer to distribute corresponding source code. (This alternative is allowed only for noncommercial distribution and only if you received the program in object code or executable form with such an offer, in accord with Subsection b above.) The source code for a work means the preferred form of the work for making modifications to it. For an executable work, complete source code means all the source code for all modules it contains, plus any associated interface definition files, plus the scripts used to control compilation and installation of the executable. However, as a special exception, the source code distributed need not include anything that is normally distributed (in either source or binary form) with the major components (compiler, kernel, and so on) of the operating system on which the executable runs, unless that component itself accompanies the executable. If distribution of executable or object code is made by offering access to copy from a designated place, then offering equivalent access to copy the source code from the same place counts as distribution of the source code, even though third parties are not compelled to copy the source along with the object code. 4. You may not copy, modify, sublicense, or distribute the Program except as expressly provided under this License. Any attempt otherwise to copy, modify, sublicense or distribute the Program is void, and will automatically terminate your rights under this License. However, parties who have received copies, or rights, from you under this License will not have their licenses terminated so long as such parties remain in full compliance. 5. You are not required to accept this License, since you have not signed it. However, nothing else grants you permission to modify or distribute the Program or its derivative works. These actions are prohibited by law if you do not accept this License. Therefore, by modifying or distributing the Program (or any work based on the Program), you indicate your acceptance of this License to do so, and all its terms and conditions for copying, distributing or modifying the Program or works based on it. 6. Each time you redistribute the Program (or any work based on the Program), the recipient automatically receives a license from the original licensor to copy, distribute or modify the Program subject to these terms and conditions. You may not impose any further restrictions on the recipients' exercise of the rights granted herein. You are not responsible for enforcing compliance by third parties to this License. 7. If, as a consequence of a court judgment or allegation of patent infringement or for any other reason (not limited to patent issues), conditions are imposed on you (whether by court order, agreement or otherwise) that contradict the conditions of this License, they do not excuse you from the conditions of this License. If you cannot distribute so as to satisfy simultaneously your obligations under this License and any other pertinent obligations, then as a consequence you may not distribute the Program at all. For example, if a patent license would not permit royalty-free redistribution of the Program by all those who receive copies directly or indirectly through you, then the only way you could satisfy both it and this License would be to refrain entirely from distribution of the Program. If any portion of this section is held invalid or unenforceable under any particular circumstance, the balance of the section is intended to apply and the section as a whole is intended to apply in other circumstances. It is not the purpose of this section to induce you to infringe any patents or other property right claims or to contest validity of any such claims; this section has the sole purpose of protecting the integrity of the free software distribution system, which is implemented by public license practices. Many people have made generous contributions to the wide range of software distributed through that system in reliance on consistent application of that system; it is up to the author/donor to decide if he or she is willing to distribute software through any other system and a licensee cannot impose that choice. This section is intended to make thoroughly clear what is believed to be a consequence of the rest of this License. 8. If the distribution and/or use of the Program is restricted in certain countries either by patents or by copyrighted interfaces, the original copyright holder who places the Program under this License may add an explicit geographical distribution limitation excluding those countries, so that distribution is permitted only in or among countries not thus excluded. In such case, this License incorporates the limitation as if written in the body of this License. 9. The Free Software Foundation may publish revised and/or new versions of the General Public License from time to time. Such new versions will be similar in spirit to the present version, but may differ in detail to address new problems or concerns. Each version is given a distinguishing version number. If the Program specifies a version number of this License which applies to it and "any later version", you have the option of following the terms and conditions either of that version or of any later version published by the Free Software Foundation. If the Program does not specify a version number of this License, you may choose any version ever published by the Free Software Foundation. 10. If you wish to incorporate parts of the Program into other free programs whose distribution conditions are different, write to the author to ask for permission. For software which is copyrighted by the Free Software Foundation, write to the Free Software Foundation; we sometimes make exceptions for this. Our decision will be guided by the two goals of preserving the free status of all derivatives of our free software and of promoting the sharing and reuse of software generally. NO WARRANTY 11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION. 12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. END OF TERMS AND CONDITIONS How to Apply These Terms to Your New Programs If you develop a new program, and you want it to be of the greatest possible use to the public, the best way to achieve this is to make it free software which everyone can redistribute and change under these terms. To do so, attach the following notices to the program. It is safest to attach them to the start of each source file to most effectively convey the exclusion of warranty; and each file should have at least the "copyright" line and a pointer to where the full notice is found. Copyright (C) This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA Also add information on how to contact you by electronic and paper mail. If the program is interactive, make it output a short notice like this when it starts in an interactive mode: Gnomovision version 69, Copyright (C) year name of author Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. This is free software, and you are welcome to redistribute it under certain conditions; type `show c' for details. The hypothetical commands `show w' and `show c' should show the appropriate parts of the General Public License. Of course, the commands you use may be called something other than `show w' and `show c'; they could even be mouse-clicks or menu items--whatever suits your program. You should also get your employer (if you work as a programmer) or your school, if any, to sign a "copyright disclaimer" for the program, if necessary. Here is a sample; alter the names: Yoyodyne, Inc., hereby disclaims all copyright interest in the program `Gnomovision' (which makes passes at compilers) written by James Hacker. , 1 April 1989 Ty Coon, President of Vice This General Public License does not permit incorporating your program into proprietary programs. If your program is a subroutine library, you may consider it more useful to permit linking proprietary applications with the library. If this is what you want to do, use the GNU Library General Public License instead of this License. doscan-0.3.3/Makefile.in0000644000175000017500000000771712421762773012672 0ustar fwfwsrcdir = @srcdir@ INSTALL = @INSTALL@ prefix = @prefix@ exec_prefix = @exec_prefix@ bindir = @bindir@ libdir = @libdir@ mandir = @mandir@ man1dir = $(mandir)/man1 datarootdir = @datarootdir@ exeext = @EXEEXT@ CC = @CC@ CFLAGS = @CFLAGS@ @WARN_CFLAGS@ CXX = @CXX@ CXXFLAGS = @CXXFLAGS@ @WARN_CFLAGS@ named_version = @PACKAGE_NAME@-@PACKAGE_VERSION@ release_version = @PACKAGE_NAME@--release--@PACKAGE_VERSION@ PCRE_CFLAGS := $(shell pcre-config --cflags) PCRE_LIBS := $(shell pcre-config --libs) INCLUDES = -I. -I$(srcdir) -I$(srcdir)/lib LIBS = $(PCRE_LIBS) @LIBS@ # Use generated inventory file if Git repository data is not present. ifeq ($(wildcard $(srcdir)/.git/*),) include Make.inventory else INVENTORY := $(shell cd $(srcdir) && git ls-files | grep -v ^debian/) endif SRC_C_FILES = $(patsubst src/%,%,$(filter src/%.cc, $(INVENTORY))) LIB_C_FILES = $(patsubst lib/%,%,$(filter lib/%.c, $(INVENTORY))) LIB_H_FILES = $(patsubst lib/%,%,$(filter lib/%.h, $(INVENTORY))) PROTO_C_FILES = $(filter proto_%.cc, $(SRC_C_FILES)) DISTFILES_GENERATED = Make.inventory config.h.in stamp-h.in configure gen_h_files = config.h gen_c_files = gen_proto_register.cc src_d_files = $(patsubst %.cc,src/%.d,$(SRC_C_FILES)) src_obj_files = $(patsubst %.cc, src/%.o, $(SRC_C_FILES)) $(patsubst %.cc, src/%.o, $(gen_c_files)) lib_obj_files = $(patsubst %.c, lib/%.o, $(LIB_C_FILES)) lib_depend = $(gen_h_files) \ $(patsubst %, $(srcdir)/lib/%, $(LIB_H_FILES)) all : doscan$(exeext) -include $(src_d_files) install: $(INSTALL) -m 755 doscan$(exeext) $(DESTDIR)$(bindir)/doscan$(exeext) $(INSTALL) -m 644 $(srcdir)/doc/doscan.1 $(DESTDIR)$(man1dir)/doscan.1 dist: mkdir $(named_version) tar cf - -C $(srcdir) $(INVENTORY) $(DISTFILES_GENERATED) \ | tar xf - -C $(named_version) cd $(named_version)/ && touch $(DISTFILES_GENERATED) (echo "# Automatically generated. Do not edit." ; \ echo ; echo "INVENTORY=$(INVENTORY)") \ > $(named_version)/Make.inventory rm -rf $(named_version)/debian GZIP=--best tar czf $(named_version).tar.gz $(named_version)/ rm -rf $(named_version) clean : -rm doscan -rm src/*.o src/*.d lib/*.o lib/*.d -rm src/gen_proto_register.cc -rm stamp-dir distclean : clean -rm config.log config.status config.h stamp-h Makefile doscan$(exeext) : stamp-dir $(src_obj_files) $(lib_obj_files) $(CXX) -o $@ $(src_obj_files) $(lib_obj_files) $(LIBS) stamp-dir : -mkdir src -mkdir lib echo timestamp > stamp-dir src/%.o : $(srcdir)/src/%.cc $(CXX) $(CFLAGS) $(PCRE_CFLAGS) $(INCLUDES) \ -MMD -MF $(patsubst %.o,%.d, $@) \ -c -o $@ $< src/%.o : src/%.cc $(CXX) $(CFLAGS) $(PCRE_CFLAGS) $(INCLUDES) \ -MMD -MF $(patsubst %.o,%.d, $@) \ -c -o $@ $< protocols = $(patsubst proto_%.cc, %, $(filter proto_%.cc, $(SRC_C_FILES))) src/gen_proto_register.cc : $(patsubst %,$(srcdir)/src/%, $(filter proto_%.cc, $(SRC_C_FILES))) Makefile @echo "$@: generating" @echo "/* Automatically generated file. Do not edit. */" > $@ @echo >> $@ @echo "void proto_register_all (void)" >> $@ @echo "{" >> $@ @for p in $(protocols) ; do \ echo " void proto_$${p}_register (void);" >> $@ ; \ done @echo >> $@ @for p in $(protocols) ; do \ echo " proto_$${p}_register ();" >> $@ ; \ done @echo "}" >> $@ lib/%.o : $(srcdir)/lib/%.c $(lib_depend) $(CC) $(CFLAGS) $(PCRE_CFLAGS) $(INCLUDES) -c -o $@ $< # Check sources for basic conformance rules. .PHONY : check check : @echo 'make: Entering directory `'`cd $(srcdir) ; pwd`"'" cd $(srcdir) && perl etc/check-source.pl $(INVENTORY) # Automatic regeneration of files generated by the autoconf machinery. # autoheader might not change config.h.in, so touch a stamp file. $(srcdir)/config.h.in: $(srcdir)/stamp-h.in $(srcdir)/stamp-h.in: $(srcdir)/configure.ac cd $(srcdir) && autoheader echo timestamp > $(srcdir)/stamp-h.in $(srcdir)/config.h: stamp-h stamp-h: $(srcdir)/config.h.in config.status ./config.status Makefile: $(srcdir)/Makefile.in config.status ./config.status config.status: $(srcdir)/configure ./config.status --recheck doscan-0.3.3/NEWS0000644000175000017500000001571512422725347011316 0ustar fwfwChanges in version 0.3.3 ------------------------ Update config.sub and config.guess. Changes in version 0.3.2 ------------------------ Allow compilation with additional GCC versions. Fix a user-after-free bug in timeout handling. Fix a long-standing bug in the deferred activities processing of the epoll event queue which could cause doscan to crash or, potentially, report incorrect results. Changes in version 0.3.1 ------------------------ Fix a bug which prevented reading some valid address files with the --file option. Changes in version 0.3.0 ------------------------ Tenable has revoked the GPL on some of their Nessus plugins. doscan incorporated some protocol modules based on Nessus plugins, assuming they were irrevocably licensed under the GPL. These protocol modules (ms_ms03-043, ms_ms04-007_http, ms_rpc_dcom, ms_rpc_dcom_old, ms_windows) have been removed. Changes in version 0.2.9 ------------------------ In previous versions, the ms_rpc_dcom module module returned a false positive for machines that run Windows XP Service Pack 2. (Noticed and fixed by Robbert Kouprie.) Changes in version 0.2.8 ------------------------ Clean-up release for Debian packaging. No changes in functionality. Changes in version 0.2.7 ------------------------ This is the last release for a while. See doc/design.txt. Fix an unbounded memory allocation in the http_proxy module. (A malicious client could cause doscan to crash.) Changes in version 0.2.6 ------------------------ Added the ms_ms04-007_http module to scan for IIS web servers with the ASN.1 parser vulnerability from Microsoft Security Bulletin MS04-007. Changes in version 0.2.5 ------------------------ Fixed compilation problems on FreeBSD. Changes in version 0.2.4 ------------------------ The ident_check protocol module has been implemented. It is not recommended to block incoming 113/TCP connections at packet filters (especially if the filter is not capable of generating TCP RST segments). Internal hosts might use this hole to run unwanted daemons, and this module can be used to detect them. The protocol module http_proxy implements an HTTP client and server; the client part probes hosts and tries to connect back to the server, thus discovering open proxies. A bug in the half-duplex TCP connection handler has been fixed which could have resulted in lost data. The ./configure check for gethostbyname() includes more header files, hopefully fixing the FreeBSD build problem. Changes in version 0.2.3 ------------------------ The ms_ms03-043 protocol module now detects UNIX DCE RPC implementations. The meaning of the --timeout option for the ms_ms03-043 and udp protocol modules has changed: Previously, --timeout controlled the timeout between subsequent retries; now, --timeout specifies the total timeout of all retries combined. doscan now supports the --file option, to read a list of target prefixes. Thanks to Tobias Oetiker, doscan again compiles on Solaris. Changes in version 0.2.2 ------------------------ Some missing include directives were added. Changes in version 0.2.1 ------------------------ scan_udp_single now uses scan_trigger, which eliminates quite a bit of code and adds the progress indicator to the UDP modules. Linux epoll support has been added. epoll support is detected during run time. If the kernel does not support it, we use poll, as before. In one of our test cases using the ms_windows module, user/system time drops from 4.5/217.1 seconds to 0.7/2.4 seconds. (Real time is not changed that much (minus 76 seconds), but you can have more simultaneous connections.) Not all protocol modules benefit from the epoll support. So far, only the tcp module (which is the default one) and the ms_windows module are TCP-based and use the event queue facility (which in turn interfaces to the kernel via epoll, if available). More prefix lengths are now supported. Changes in version 0.2.0 ------------------------ Compiling doscan now requires a C++ compiler. A UDP scanning module has been added. An experimental module (ms_ms03-043) to discover hosts vulnerable to MS03-043 has been added. The ms_windows module can be used to query Windows versions over DCE RPC. Both are based on Nessus plugin 11890. You can use "%N" in --output strings to print a newline character. The makefile was changed; it now uses the file inventory from the source code management system (or an automatically generated file for distribution tarballs). Changes in version 0.1.7 ------------------------ Fixed a bug in Windows 98/Me detection in the MS03-039 scanner. These machines were detected correctly, but processing continued nevertheless (and the system was reported vulnerable). Changes in version 0.1.6 ------------------------ The ms_rpc_dcom module reports false positives in some cases. This release fixes the known issues. (It is a backport of the corresponding change to the NASL script.) Changes in version 0.1.5 ------------------------ The ms_rpc_dcom module now dietetics the MS03-039 vulnerability (MS03-026 support has been deprecated, as this bulletin has been superseded by Microsoft). CAVEAT: This version is highly experimental. It might yield false positives. (However, Windows 9x/Me systems are now detected.) Changes in version 0.1.4 ------------------------ (Never released publicly.) Add a missing include to src/results.c which caused compile errors on OpenBSD (and probably other platforms). Changes in version 0.1.3 ------------------------ The --style option can be used to print hosts as they are scanned (and thus disable sorting). You can now use "%n" to include the host name in the output. It was discovered that the Microsoft RPC/DCOM scanner flags Windows Me systems as vulnerable. The manual page has been updated accordingly. Changes in version 0.1.2 ------------------------ Added a Solaris 8 port (thanks to Jens Hektor for help). doscan now signals an error if the network address of a prefix is invalid (according to the prefix length). Previously, the set bits were silently discarded. Internal changes allow for scanning modules for handling different TCP-based protocols. A generic framework for handling half-duplex connections has been added. Scanning for HTTP banners without regular expression hacking is now supported (although this protocol module is mostly a demo for the half-duplex connection framework). An experimental module has been added which scans for hosts which are vulnerable to CAN-2003-0352 (Microsoft Security Bulletin MS03-026, "Buffer Overrun In RPC Interface Could Allow Code Execution"). This module is based on a Nessus plugin by KK Liu. Fixed a design error which caused doscan to open too many connections at program start. Changes in version 0.1.1 ------------------------ You can now use the --output option to change the output format. A buffer underflow in the banner receive routine was fixed. Responses consisting of multiple chunks were incorrectly processed. Changes in version 0.1.0 ------------------------ This version was the initial release. doscan-0.3.3/README0000644000175000017500000000301312422007573011455 0ustar fwfwdoscan ====== This is doscan, a tool for auditing your network. Prerequisites ------------- In order to compile doscan, you need: * a GNU/Linux system, or Sun Solaris 8/9 doscan requires poll(2), but should be quite portable otherwise. However, Linux 2.6 (or another kernel with the syscall-based epoll patch) is strongly recommended. * The GNU C and C++ compilers, version 3.2 or later (version 3.3 is preferred) Other C and C++ compilers might work, but have not been tested. * GNU make * the PCRE library (version 4.3 works) Installation ------------ Invoke './configure' (see './configure --help' for further instructions), run 'make', then 'make install'. Default installation directory is /usr/local. Usage ----- The program is documented in its manual page, doscan(1). For a quick start, invoke doscan this way: doscan --port 80 192.168.0.0/16 Only single ports and prefixes are accepted, neither port ranges, nor individual hosts (use a /32 prefix for single hosts). doscan uses connect(2) and does not directly require root privileges, but if you want to raise the file descriptor limits, you have to be root (see the CAVEATS section in the manual page). Future Development ------------------ Development of doscan has been suspend. I will incorporate bug fixes, but no new scanning modules will be added. See doc/design.txt for some background information. Reporting Bugs -------------- Please report bugs to . Florian Weimer doscan-0.3.3/TODO0000644000175000017500000000063112422007600011257 0ustar fwfwuse leaky bucket algorithm to limit connection rate retry hosts which did not return any data more scanners besides TCP: * SMB * Sun RPC * DNS (version and open resolver) * spawn arbitrary programs after connection has been established * SMTP relay tester fork() subprocesss to keep the number of file descriptors per process at a reasonable level (maybe not needed with /dev/epoll) SSL support doscan-0.3.3/config.guess0000755000175000017500000012743212422725274013136 0ustar fwfw#! /bin/sh # Attempt to guess a canonical system name. # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, # 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, # 2011, 2012 Free Software Foundation, Inc. timestamp='2012-02-10' # This file is free software; you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, see . # # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a # configuration script generated by Autoconf, you may include it under # the same distribution terms that you use for the rest of that program. # Originally written by Per Bothner. Please send patches (context # diff format) to and include a ChangeLog # entry. # # This script attempts to guess a canonical system name similar to # config.sub. If it succeeds, it prints the system name on stdout, and # exits with 0. Otherwise, it exits with 1. # # You can get the latest version of this script from: # http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess;hb=HEAD me=`echo "$0" | sed -e 's,.*/,,'` usage="\ Usage: $0 [OPTION] Output the configuration name of the system \`$me' is run on. Operation modes: -h, --help print this help, then exit -t, --time-stamp print date of last modification, then exit -v, --version print version number, then exit Report bugs and patches to ." version="\ GNU config.guess ($timestamp) Originally written by Per Bothner. Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE." help=" Try \`$me --help' for more information." # Parse command line while test $# -gt 0 ; do case $1 in --time-stamp | --time* | -t ) echo "$timestamp" ; exit ;; --version | -v ) echo "$version" ; exit ;; --help | --h* | -h ) echo "$usage"; exit ;; -- ) # Stop option processing shift; break ;; - ) # Use stdin as input. break ;; -* ) echo "$me: invalid option $1$help" >&2 exit 1 ;; * ) break ;; esac done if test $# != 0; then echo "$me: too many arguments$help" >&2 exit 1 fi trap 'exit 1' 1 2 15 # CC_FOR_BUILD -- compiler used by this script. Note that the use of a # compiler to aid in system detection is discouraged as it requires # temporary files to be created and, as you can see below, it is a # headache to deal with in a portable fashion. # Historically, `CC_FOR_BUILD' used to be named `HOST_CC'. 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) HP_ARCH=m68000 ;; 9000/[34]?? ) HP_ARCH=m68k ;; 9000/[678][0-9][0-9]) if [ -x /usr/bin/getconf ]; then sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null` sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null` case "${sc_cpu_version}" in 523) HP_ARCH="hppa1.0" ;; # CPU_PA_RISC1_0 528) HP_ARCH="hppa1.1" ;; # CPU_PA_RISC1_1 532) # CPU_PA_RISC2_0 case "${sc_kernel_bits}" in 32) HP_ARCH="hppa2.0n" ;; 64) HP_ARCH="hppa2.0w" ;; '') HP_ARCH="hppa2.0" ;; # HP-UX 10.20 esac ;; esac fi if [ "${HP_ARCH}" = "" ]; then eval $set_cc_for_build sed 's/^ //' << EOF >$dummy.c #define _HPUX_SOURCE #include #include int main () { #if defined(_SC_KERNEL_BITS) long bits = sysconf(_SC_KERNEL_BITS); #endif long cpu = sysconf (_SC_CPU_VERSION); switch (cpu) { case CPU_PA_RISC1_0: puts ("hppa1.0"); break; case CPU_PA_RISC1_1: puts ("hppa1.1"); break; case CPU_PA_RISC2_0: #if defined(_SC_KERNEL_BITS) switch (bits) { case 64: puts ("hppa2.0w"); break; case 32: puts ("hppa2.0n"); break; default: puts ("hppa2.0"); break; } break; #else /* !defined(_SC_KERNEL_BITS) */ puts ("hppa2.0"); break; #endif default: puts ("hppa1.0"); break; } exit (0); } EOF (CCOPTS= $CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null) && HP_ARCH=`$dummy` test -z "$HP_ARCH" && HP_ARCH=hppa fi ;; esac if [ ${HP_ARCH} = "hppa2.0w" ] then eval $set_cc_for_build # hppa2.0w-hp-hpux* has a 64-bit kernel and a compiler generating # 32-bit code. hppa64-hp-hpux* has the same kernel and a compiler # generating 64-bit code. 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CPU_IS_PA_RISC returns correct results, however. */ if (CPU_IS_PA_RISC (cpu)) { switch (cpu) { case CPU_PA_RISC1_0: puts ("hppa1.0-hitachi-hiuxwe2"); break; case CPU_PA_RISC1_1: puts ("hppa1.1-hitachi-hiuxwe2"); break; case CPU_PA_RISC2_0: puts ("hppa2.0-hitachi-hiuxwe2"); break; default: puts ("hppa-hitachi-hiuxwe2"); break; } } else if (CPU_IS_HP_MC68K (cpu)) puts ("m68k-hitachi-hiuxwe2"); else puts ("unknown-hitachi-hiuxwe2"); exit (0); } EOF $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` && { echo "$SYSTEM_NAME"; exit; } echo unknown-hitachi-hiuxwe2 exit ;; 9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:* ) echo hppa1.1-hp-bsd exit ;; 9000/8??:4.3bsd:*:*) echo hppa1.0-hp-bsd exit ;; *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*) echo hppa1.0-hp-mpeix exit ;; hp7??:OSF1:*:* | hp8?[79]:OSF1:*:* ) echo hppa1.1-hp-osf exit ;; hp8??:OSF1:*:*) echo hppa1.0-hp-osf exit ;; i*86:OSF1:*:*) if [ -x /usr/sbin/sysversion ] ; then echo ${UNAME_MACHINE}-unknown-osf1mk else echo ${UNAME_MACHINE}-unknown-osf1 fi exit ;; parisc*:Lites*:*:*) echo hppa1.1-hp-lites exit ;; C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*) echo c1-convex-bsd exit ;; C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*) if getsysinfo -f scalar_acc then echo c32-convex-bsd else echo c2-convex-bsd fi exit ;; C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*) echo c34-convex-bsd exit ;; C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*) echo c38-convex-bsd exit ;; C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*) echo c4-convex-bsd exit ;; CRAY*Y-MP:*:*:*) echo ymp-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' exit ;; CRAY*[A-Z]90:*:*:*) echo ${UNAME_MACHINE}-cray-unicos${UNAME_RELEASE} \ | sed -e 's/CRAY.*\([A-Z]90\)/\1/' \ -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ \ -e 's/\.[^.]*$/.X/' exit ;; CRAY*TS:*:*:*) echo t90-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' exit ;; CRAY*T3E:*:*:*) echo alphaev5-cray-unicosmk${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' exit ;; CRAY*SV1:*:*:*) echo sv1-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' exit ;; *:UNICOS/mp:*:*) echo craynv-cray-unicosmp${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' exit ;; F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*) FUJITSU_PROC=`uname -m | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'` FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'` FUJITSU_REL=`echo ${UNAME_RELEASE} | sed -e 's/ /_/'` echo "${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" exit ;; 5000:UNIX_System_V:4.*:*) FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'` FUJITSU_REL=`echo ${UNAME_RELEASE} | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/ /_/'` echo "sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" exit ;; i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*) echo ${UNAME_MACHINE}-pc-bsdi${UNAME_RELEASE} exit ;; sparc*:BSD/OS:*:*) echo sparc-unknown-bsdi${UNAME_RELEASE} exit ;; *:BSD/OS:*:*) echo ${UNAME_MACHINE}-unknown-bsdi${UNAME_RELEASE} exit ;; *:FreeBSD:*:*) UNAME_PROCESSOR=`/usr/bin/uname -p` case ${UNAME_PROCESSOR} in amd64) echo x86_64-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; *) echo ${UNAME_PROCESSOR}-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; esac exit ;; i*:CYGWIN*:*) echo ${UNAME_MACHINE}-pc-cygwin exit ;; *:MINGW*:*) echo ${UNAME_MACHINE}-pc-mingw32 exit ;; i*:MSYS*:*) echo ${UNAME_MACHINE}-pc-msys exit ;; i*:windows32*:*) # uname -m includes "-pc" on this system. echo ${UNAME_MACHINE}-mingw32 exit ;; i*:PW*:*) echo ${UNAME_MACHINE}-pc-pw32 exit ;; *:Interix*:*) case ${UNAME_MACHINE} in x86) echo i586-pc-interix${UNAME_RELEASE} exit ;; authenticamd | genuineintel | EM64T) echo x86_64-unknown-interix${UNAME_RELEASE} exit ;; IA64) echo ia64-unknown-interix${UNAME_RELEASE} exit ;; esac ;; [345]86:Windows_95:* | [345]86:Windows_98:* | [345]86:Windows_NT:*) echo i${UNAME_MACHINE}-pc-mks exit ;; 8664:Windows_NT:*) echo x86_64-pc-mks exit ;; i*:Windows_NT*:* | Pentium*:Windows_NT*:*) # How do we know it's Interix rather than the generic POSIX subsystem? # It also conflicts with pre-2.0 versions of AT&T UWIN. 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EV56) UNAME_MACHINE=alphaev56 ;; PCA56) UNAME_MACHINE=alphapca56 ;; PCA57) UNAME_MACHINE=alphapca56 ;; EV6) UNAME_MACHINE=alphaev6 ;; EV67) UNAME_MACHINE=alphaev67 ;; EV68*) UNAME_MACHINE=alphaev68 ;; esac objdump --private-headers /bin/sh | grep -q ld.so.1 if test "$?" = 0 ; then LIBC="libc1" ; else LIBC="" ; fi echo ${UNAME_MACHINE}-unknown-linux-gnu${LIBC} exit ;; arm*:Linux:*:*) eval $set_cc_for_build if echo __ARM_EABI__ | $CC_FOR_BUILD -E - 2>/dev/null \ | grep -q __ARM_EABI__ then echo ${UNAME_MACHINE}-unknown-linux-gnu else if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \ | grep -q __ARM_PCS_VFP then echo ${UNAME_MACHINE}-unknown-linux-gnueabi else echo ${UNAME_MACHINE}-unknown-linux-gnueabihf fi fi exit ;; avr32*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; cris:Linux:*:*) echo ${UNAME_MACHINE}-axis-linux-gnu exit ;; crisv32:Linux:*:*) echo ${UNAME_MACHINE}-axis-linux-gnu exit ;; frv:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; hexagon:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; i*86:Linux:*:*) LIBC=gnu eval $set_cc_for_build sed 's/^ //' << EOF >$dummy.c #ifdef __dietlibc__ LIBC=dietlibc #endif EOF eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^LIBC'` echo "${UNAME_MACHINE}-pc-linux-${LIBC}" exit ;; ia64:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; m32r*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; m68*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; mips:Linux:*:* | mips64:Linux:*:*) eval $set_cc_for_build sed 's/^ //' << EOF >$dummy.c #undef CPU #undef ${UNAME_MACHINE} #undef ${UNAME_MACHINE}el #if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL) CPU=${UNAME_MACHINE}el #else #if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB) CPU=${UNAME_MACHINE} #else CPU= #endif #endif EOF eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^CPU'` test x"${CPU}" != x && { echo "${CPU}-unknown-linux-gnu"; exit; } ;; or32:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; padre:Linux:*:*) echo sparc-unknown-linux-gnu exit ;; parisc64:Linux:*:* | hppa64:Linux:*:*) echo hppa64-unknown-linux-gnu exit ;; parisc:Linux:*:* | hppa:Linux:*:*) # Look for CPU level case `grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2` in PA7*) echo hppa1.1-unknown-linux-gnu ;; PA8*) echo hppa2.0-unknown-linux-gnu ;; *) echo hppa-unknown-linux-gnu ;; esac exit ;; ppc64:Linux:*:*) echo powerpc64-unknown-linux-gnu exit ;; ppc:Linux:*:*) echo powerpc-unknown-linux-gnu exit ;; s390:Linux:*:* | s390x:Linux:*:*) echo ${UNAME_MACHINE}-ibm-linux exit ;; sh64*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; sh*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; sparc:Linux:*:* | sparc64:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; tile*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; vax:Linux:*:*) echo ${UNAME_MACHINE}-dec-linux-gnu exit ;; x86_64:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; xtensa*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit ;; i*86:DYNIX/ptx:4*:*) # ptx 4.0 does uname -s correctly, with DYNIX/ptx in there. # earlier versions are messed up and put the nodename in both # sysname and nodename. echo i386-sequent-sysv4 exit ;; i*86:UNIX_SV:4.2MP:2.*) # Unixware is an offshoot of SVR4, but it has its own version # number series starting with 2... # I am not positive that other SVR4 systems won't match this, # I just have to hope. -- rms. # Use sysv4.2uw... so that sysv4* matches it. echo ${UNAME_MACHINE}-pc-sysv4.2uw${UNAME_VERSION} exit ;; i*86:OS/2:*:*) # If we were able to find `uname', then EMX Unix compatibility # is probably installed. echo ${UNAME_MACHINE}-pc-os2-emx exit ;; i*86:XTS-300:*:STOP) echo ${UNAME_MACHINE}-unknown-stop exit ;; i*86:atheos:*:*) echo ${UNAME_MACHINE}-unknown-atheos exit ;; i*86:syllable:*:*) echo ${UNAME_MACHINE}-pc-syllable exit ;; i*86:LynxOS:2.*:* | i*86:LynxOS:3.[01]*:* | i*86:LynxOS:4.[02]*:*) echo i386-unknown-lynxos${UNAME_RELEASE} exit ;; i*86:*DOS:*:*) echo ${UNAME_MACHINE}-pc-msdosdjgpp exit ;; i*86:*:4.*:* | i*86:SYSTEM_V:4.*:*) UNAME_REL=`echo ${UNAME_RELEASE} | sed 's/\/MP$//'` if grep Novell /usr/include/link.h >/dev/null 2>/dev/null; then echo ${UNAME_MACHINE}-univel-sysv${UNAME_REL} else echo ${UNAME_MACHINE}-pc-sysv${UNAME_REL} fi exit ;; i*86:*:5:[678]*) # UnixWare 7.x, OpenUNIX and OpenServer 6. case `/bin/uname -X | grep "^Machine"` in *486*) UNAME_MACHINE=i486 ;; *Pentium) UNAME_MACHINE=i586 ;; *Pent*|*Celeron) UNAME_MACHINE=i686 ;; esac echo ${UNAME_MACHINE}-unknown-sysv${UNAME_RELEASE}${UNAME_SYSTEM}${UNAME_VERSION} exit ;; i*86:*:3.2:*) if test -f /usr/options/cb.name; then UNAME_REL=`sed -n 's/.*Version //p' /dev/null >/dev/null ; then UNAME_REL=`(/bin/uname -X|grep Release|sed -e 's/.*= //')` (/bin/uname -X|grep i80486 >/dev/null) && UNAME_MACHINE=i486 (/bin/uname -X|grep '^Machine.*Pentium' >/dev/null) \ && UNAME_MACHINE=i586 (/bin/uname -X|grep '^Machine.*Pent *II' >/dev/null) \ && UNAME_MACHINE=i686 (/bin/uname -X|grep '^Machine.*Pentium Pro' >/dev/null) \ && UNAME_MACHINE=i686 echo ${UNAME_MACHINE}-pc-sco$UNAME_REL else echo ${UNAME_MACHINE}-pc-sysv32 fi exit ;; pc:*:*:*) # Left here for compatibility: # uname -m prints for DJGPP always 'pc', but it prints nothing about # the processor, so we play safe by assuming i586. # Note: whatever this is, it MUST be the same as what config.sub # prints for the "djgpp" host, or else GDB configury will decide that # this is a cross-build. echo i586-pc-msdosdjgpp exit ;; Intel:Mach:3*:*) echo i386-pc-mach3 exit ;; paragon:*:*:*) echo i860-intel-osf1 exit ;; i860:*:4.*:*) # i860-SVR4 if grep Stardent /usr/include/sys/uadmin.h >/dev/null 2>&1 ; then echo i860-stardent-sysv${UNAME_RELEASE} # Stardent Vistra i860-SVR4 else # Add other i860-SVR4 vendors below as they are discovered. echo i860-unknown-sysv${UNAME_RELEASE} # Unknown i860-SVR4 fi exit ;; mini*:CTIX:SYS*5:*) # "miniframe" echo m68010-convergent-sysv exit ;; mc68k:UNIX:SYSTEM5:3.51m) echo m68k-convergent-sysv exit ;; M680?0:D-NIX:5.3:*) echo m68k-diab-dnix exit ;; M68*:*:R3V[5678]*:*) test -r /sysV68 && { echo 'm68k-motorola-sysv'; exit; } ;; 3[345]??:*:4.0:3.0 | 3[34]??A:*:4.0:3.0 | 3[34]??,*:*:4.0:3.0 | 3[34]??/*:*:4.0:3.0 | 4400:*:4.0:3.0 | 4850:*:4.0:3.0 | SKA40:*:4.0:3.0 | SDS2:*:4.0:3.0 | SHG2:*:4.0:3.0 | S7501*:*:4.0:3.0) OS_REL='' test -r /etc/.relid \ && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid` /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ && { echo i486-ncr-sysv4.3${OS_REL}; exit; } /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \ && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;; 3[34]??:*:4.0:* | 3[34]??,*:*:4.0:*) /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ && { echo i486-ncr-sysv4; exit; } ;; NCR*:*:4.2:* | MPRAS*:*:4.2:*) OS_REL='.3' test -r /etc/.relid \ && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid` /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ && { echo i486-ncr-sysv4.3${OS_REL}; exit; } /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \ && { echo i586-ncr-sysv4.3${OS_REL}; exit; } /bin/uname -p 2>/dev/null | /bin/grep pteron >/dev/null \ && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;; m68*:LynxOS:2.*:* | m68*:LynxOS:3.0*:*) echo m68k-unknown-lynxos${UNAME_RELEASE} exit ;; mc68030:UNIX_System_V:4.*:*) echo m68k-atari-sysv4 exit ;; TSUNAMI:LynxOS:2.*:*) echo sparc-unknown-lynxos${UNAME_RELEASE} exit ;; rs6000:LynxOS:2.*:*) echo rs6000-unknown-lynxos${UNAME_RELEASE} exit ;; PowerPC:LynxOS:2.*:* | PowerPC:LynxOS:3.[01]*:* | PowerPC:LynxOS:4.[02]*:*) echo powerpc-unknown-lynxos${UNAME_RELEASE} exit ;; SM[BE]S:UNIX_SV:*:*) echo mips-dde-sysv${UNAME_RELEASE} exit ;; RM*:ReliantUNIX-*:*:*) echo mips-sni-sysv4 exit ;; RM*:SINIX-*:*:*) echo mips-sni-sysv4 exit ;; *:SINIX-*:*:*) if uname -p 2>/dev/null >/dev/null ; then UNAME_MACHINE=`(uname -p) 2>/dev/null` echo ${UNAME_MACHINE}-sni-sysv4 else echo ns32k-sni-sysv fi exit ;; PENTIUM:*:4.0*:*) # Unisys `ClearPath HMP IX 4000' SVR4/MP effort # says echo i586-unisys-sysv4 exit ;; *:UNIX_System_V:4*:FTX*) # From Gerald Hewes . # How about differentiating between stratus architectures? -djm echo hppa1.1-stratus-sysv4 exit ;; *:*:*:FTX*) # From seanf@swdc.stratus.com. echo i860-stratus-sysv4 exit ;; i*86:VOS:*:*) # From Paul.Green@stratus.com. echo ${UNAME_MACHINE}-stratus-vos exit ;; *:VOS:*:*) # From Paul.Green@stratus.com. echo hppa1.1-stratus-vos exit ;; mc68*:A/UX:*:*) echo m68k-apple-aux${UNAME_RELEASE} exit ;; news*:NEWS-OS:6*:*) echo mips-sony-newsos6 exit ;; R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*) if [ -d /usr/nec ]; then echo mips-nec-sysv${UNAME_RELEASE} else echo mips-unknown-sysv${UNAME_RELEASE} fi exit ;; BeBox:BeOS:*:*) # BeOS running on hardware made by Be, PPC only. echo powerpc-be-beos exit ;; BeMac:BeOS:*:*) # BeOS running on Mac or Mac clone, PPC only. echo powerpc-apple-beos exit ;; BePC:BeOS:*:*) # BeOS running on Intel PC compatible. echo i586-pc-beos exit ;; BePC:Haiku:*:*) # Haiku running on Intel PC compatible. echo i586-pc-haiku exit ;; SX-4:SUPER-UX:*:*) echo sx4-nec-superux${UNAME_RELEASE} exit ;; SX-5:SUPER-UX:*:*) echo sx5-nec-superux${UNAME_RELEASE} exit ;; SX-6:SUPER-UX:*:*) echo sx6-nec-superux${UNAME_RELEASE} exit ;; SX-7:SUPER-UX:*:*) echo sx7-nec-superux${UNAME_RELEASE} exit ;; SX-8:SUPER-UX:*:*) echo sx8-nec-superux${UNAME_RELEASE} exit ;; SX-8R:SUPER-UX:*:*) echo sx8r-nec-superux${UNAME_RELEASE} exit ;; Power*:Rhapsody:*:*) echo powerpc-apple-rhapsody${UNAME_RELEASE} exit ;; *:Rhapsody:*:*) echo ${UNAME_MACHINE}-apple-rhapsody${UNAME_RELEASE} exit ;; *:Darwin:*:*) UNAME_PROCESSOR=`uname -p` || UNAME_PROCESSOR=unknown case $UNAME_PROCESSOR in i386) eval $set_cc_for_build if [ "$CC_FOR_BUILD" != 'no_compiler_found' ]; then if (echo '#ifdef __LP64__'; echo IS_64BIT_ARCH; echo '#endif') | \ (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | \ grep IS_64BIT_ARCH >/dev/null then UNAME_PROCESSOR="x86_64" fi fi ;; unknown) UNAME_PROCESSOR=powerpc ;; esac echo ${UNAME_PROCESSOR}-apple-darwin${UNAME_RELEASE} exit ;; *:procnto*:*:* | *:QNX:[0123456789]*:*) UNAME_PROCESSOR=`uname -p` if test "$UNAME_PROCESSOR" = "x86"; then UNAME_PROCESSOR=i386 UNAME_MACHINE=pc fi echo ${UNAME_PROCESSOR}-${UNAME_MACHINE}-nto-qnx${UNAME_RELEASE} exit ;; *:QNX:*:4*) echo i386-pc-qnx exit ;; NEO-?:NONSTOP_KERNEL:*:*) echo neo-tandem-nsk${UNAME_RELEASE} exit ;; NSE-?:NONSTOP_KERNEL:*:*) echo nse-tandem-nsk${UNAME_RELEASE} exit ;; NSR-?:NONSTOP_KERNEL:*:*) echo nsr-tandem-nsk${UNAME_RELEASE} exit ;; *:NonStop-UX:*:*) echo mips-compaq-nonstopux exit ;; BS2000:POSIX*:*:*) echo bs2000-siemens-sysv exit ;; DS/*:UNIX_System_V:*:*) echo ${UNAME_MACHINE}-${UNAME_SYSTEM}-${UNAME_RELEASE} exit ;; *:Plan9:*:*) # "uname -m" is not consistent, so use $cputype instead. 386 # is converted to i386 for consistency with other x86 # operating systems. if test "$cputype" = "386"; then UNAME_MACHINE=i386 else UNAME_MACHINE="$cputype" fi echo ${UNAME_MACHINE}-unknown-plan9 exit ;; *:TOPS-10:*:*) echo pdp10-unknown-tops10 exit ;; *:TENEX:*:*) echo pdp10-unknown-tenex exit ;; KS10:TOPS-20:*:* | KL10:TOPS-20:*:* | TYPE4:TOPS-20:*:*) echo pdp10-dec-tops20 exit ;; XKL-1:TOPS-20:*:* | TYPE5:TOPS-20:*:*) echo pdp10-xkl-tops20 exit ;; *:TOPS-20:*:*) echo pdp10-unknown-tops20 exit ;; *:ITS:*:*) echo pdp10-unknown-its exit ;; SEI:*:*:SEIUX) echo mips-sei-seiux${UNAME_RELEASE} exit ;; *:DragonFly:*:*) echo ${UNAME_MACHINE}-unknown-dragonfly`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` exit ;; *:*VMS:*:*) UNAME_MACHINE=`(uname -p) 2>/dev/null` case "${UNAME_MACHINE}" in A*) echo alpha-dec-vms ; exit ;; I*) echo ia64-dec-vms ; exit ;; V*) echo vax-dec-vms ; exit ;; esac ;; *:XENIX:*:SysV) echo i386-pc-xenix exit ;; i*86:skyos:*:*) echo ${UNAME_MACHINE}-pc-skyos`echo ${UNAME_RELEASE}` | sed -e 's/ .*$//' exit ;; i*86:rdos:*:*) echo ${UNAME_MACHINE}-pc-rdos exit ;; i*86:AROS:*:*) echo ${UNAME_MACHINE}-pc-aros exit ;; x86_64:VMkernel:*:*) echo ${UNAME_MACHINE}-unknown-esx exit ;; esac #echo '(No uname command or uname output not recognized.)' 1>&2 #echo "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" 1>&2 eval $set_cc_for_build cat >$dummy.c < # include #endif main () { #if defined (sony) #if defined (MIPSEB) /* BFD wants "bsd" instead of "newsos". Perhaps BFD should be changed, I don't know.... */ printf ("mips-sony-bsd\n"); exit (0); #else #include printf ("m68k-sony-newsos%s\n", #ifdef NEWSOS4 "4" #else "" #endif ); exit (0); #endif #endif #if defined (__arm) && defined (__acorn) && defined (__unix) printf ("arm-acorn-riscix\n"); exit (0); #endif #if defined (hp300) && !defined (hpux) printf ("m68k-hp-bsd\n"); exit (0); #endif #if defined (NeXT) #if !defined (__ARCHITECTURE__) #define __ARCHITECTURE__ "m68k" #endif int version; version=`(hostinfo | sed -n 's/.*NeXT Mach \([0-9]*\).*/\1/p') 2>/dev/null`; if (version < 4) printf ("%s-next-nextstep%d\n", __ARCHITECTURE__, version); else printf ("%s-next-openstep%d\n", __ARCHITECTURE__, version); exit (0); #endif #if defined (MULTIMAX) || defined (n16) #if defined (UMAXV) printf ("ns32k-encore-sysv\n"); exit (0); #else #if defined (CMU) printf ("ns32k-encore-mach\n"); exit (0); #else printf ("ns32k-encore-bsd\n"); exit (0); #endif #endif #endif #if defined (__386BSD__) printf ("i386-pc-bsd\n"); exit (0); #endif #if defined (sequent) #if defined (i386) printf ("i386-sequent-dynix\n"); exit (0); #endif #if defined (ns32000) printf ("ns32k-sequent-dynix\n"); exit (0); #endif #endif #if defined (_SEQUENT_) struct utsname un; uname(&un); if (strncmp(un.version, "V2", 2) == 0) { printf ("i386-sequent-ptx2\n"); exit (0); } if (strncmp(un.version, "V1", 2) == 0) { /* XXX is V1 correct? */ printf ("i386-sequent-ptx1\n"); exit (0); } printf ("i386-sequent-ptx\n"); exit (0); #endif #if defined (vax) # if !defined (ultrix) # include # if defined (BSD) # if BSD == 43 printf ("vax-dec-bsd4.3\n"); exit (0); # else # if BSD == 199006 printf ("vax-dec-bsd4.3reno\n"); exit (0); # else printf ("vax-dec-bsd\n"); exit (0); # endif # endif # else printf ("vax-dec-bsd\n"); exit (0); # endif # else printf ("vax-dec-ultrix\n"); exit (0); # endif #endif #if defined (alliant) && defined (i860) printf ("i860-alliant-bsd\n"); exit (0); #endif exit (1); } EOF $CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null && SYSTEM_NAME=`$dummy` && { echo "$SYSTEM_NAME"; exit; } # Apollos put the system type in the environment. test -d /usr/apollo && { echo ${ISP}-apollo-${SYSTYPE}; exit; } # Convex versions that predate uname can use getsysinfo(1) if [ -x /usr/convex/getsysinfo ] then case `getsysinfo -f cpu_type` in c1*) echo c1-convex-bsd exit ;; c2*) if getsysinfo -f scalar_acc then echo c32-convex-bsd else echo c2-convex-bsd fi exit ;; c34*) echo c34-convex-bsd exit ;; c38*) echo c38-convex-bsd exit ;; c4*) echo c4-convex-bsd exit ;; esac fi cat >&2 < in order to provide the needed information to handle your system. config.guess timestamp = $timestamp uname -m = `(uname -m) 2>/dev/null || echo unknown` uname -r = `(uname -r) 2>/dev/null || echo unknown` uname -s = `(uname -s) 2>/dev/null || echo unknown` uname -v = `(uname -v) 2>/dev/null || echo unknown` /usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null` /bin/uname -X = `(/bin/uname -X) 2>/dev/null` hostinfo = `(hostinfo) 2>/dev/null` /bin/universe = `(/bin/universe) 2>/dev/null` /usr/bin/arch -k = `(/usr/bin/arch -k) 2>/dev/null` /bin/arch = `(/bin/arch) 2>/dev/null` /usr/bin/oslevel = `(/usr/bin/oslevel) 2>/dev/null` /usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null` UNAME_MACHINE = ${UNAME_MACHINE} UNAME_RELEASE = ${UNAME_RELEASE} UNAME_SYSTEM = ${UNAME_SYSTEM} UNAME_VERSION = ${UNAME_VERSION} EOF exit 1 # Local variables: # eval: (add-hook 'write-file-hooks 'time-stamp) # time-stamp-start: "timestamp='" # time-stamp-format: "%:y-%02m-%02d" # time-stamp-end: "'" # End: doscan-0.3.3/config.sub0000755000175000017500000010532712422725274012600 0ustar fwfw#! /bin/sh # Configuration validation subroutine script. # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, # 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, # 2011, 2012 Free Software Foundation, Inc. timestamp='2012-04-18' # This file is (in principle) common to ALL GNU software. # The presence of a machine in this file suggests that SOME GNU software # can handle that machine. It does not imply ALL GNU software can. # # This file is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, see . # # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a # configuration script generated by Autoconf, you may include it under # the same distribution terms that you use for the rest of that program. # Please send patches to . Submit a context # diff and a properly formatted GNU ChangeLog entry. # # Configuration subroutine to validate and canonicalize a configuration type. # Supply the specified configuration type as an argument. # If it is invalid, we print an error message on stderr and exit with code 1. # Otherwise, we print the canonical config type on stdout and succeed. # You can get the latest version of this script from: # http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub;hb=HEAD # This file is supposed to be the same for all GNU packages # and recognize all the CPU types, system types and aliases # that are meaningful with *any* GNU software. # Each package is responsible for reporting which valid configurations # it does not support. The user should be able to distinguish # a failure to support a valid configuration from a meaningless # configuration. # The goal of this file is to map all the various variations of a given # machine specification into a single specification in the form: # CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM # or in some cases, the newer four-part form: # CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM # It is wrong to echo any other type of specification. me=`echo "$0" | sed -e 's,.*/,,'` usage="\ Usage: $0 [OPTION] CPU-MFR-OPSYS $0 [OPTION] ALIAS Canonicalize a configuration name. Operation modes: -h, --help print this help, then exit -t, --time-stamp print date of last modification, then exit -v, --version print version number, then exit Report bugs and patches to ." version="\ GNU config.sub ($timestamp) Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE." help=" Try \`$me --help' for more information." # Parse command line while test $# -gt 0 ; do case $1 in --time-stamp | --time* | -t ) echo "$timestamp" ; exit ;; --version | -v ) echo "$version" ; exit ;; --help | --h* | -h ) echo "$usage"; exit ;; -- ) # Stop option processing shift; break ;; - ) # Use stdin as input. break ;; -* ) echo "$me: invalid option $1$help" exit 1 ;; *local*) # First pass through any local machine types. echo $1 exit ;; * ) break ;; esac done case $# in 0) echo "$me: missing argument$help" >&2 exit 1;; 1) ;; *) echo "$me: too many arguments$help" >&2 exit 1;; esac # Separate what the user gave into CPU-COMPANY and OS or KERNEL-OS (if any). # Here we must recognize all the valid KERNEL-OS combinations. maybe_os=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'` case $maybe_os in nto-qnx* | linux-gnu* | linux-android* | linux-dietlibc | linux-newlib* | \ linux-uclibc* | uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | \ knetbsd*-gnu* | netbsd*-gnu* | \ kopensolaris*-gnu* | \ storm-chaos* | os2-emx* | rtmk-nova*) os=-$maybe_os basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'` ;; android-linux) os=-linux-android basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`-unknown ;; *) basic_machine=`echo $1 | sed 's/-[^-]*$//'` if [ $basic_machine != $1 ] then os=`echo $1 | sed 's/.*-/-/'` else os=; fi ;; esac ### Let's recognize common machines as not being operating systems so ### that things like config.sub decstation-3100 work. We also ### recognize some manufacturers as not being operating systems, so we ### can provide default operating systems below. case $os in -sun*os*) # Prevent following clause from handling this invalid input. ;; -dec* | -mips* | -sequent* | -encore* | -pc532* | -sgi* | -sony* | \ -att* | -7300* | -3300* | -delta* | -motorola* | -sun[234]* | \ -unicom* | -ibm* | -next | -hp | -isi* | -apollo | -altos* | \ -convergent* | -ncr* | -news | -32* | -3600* | -3100* | -hitachi* |\ -c[123]* | -convex* | -sun | -crds | -omron* | -dg | -ultra | -tti* | \ -harris | -dolphin | -highlevel | -gould | -cbm | -ns | -masscomp | \ -apple | -axis | -knuth | -cray | -microblaze) os= basic_machine=$1 ;; -bluegene*) os=-cnk ;; -sim | -cisco | -oki | -wec | -winbond) os= basic_machine=$1 ;; -scout) ;; -wrs) os=-vxworks basic_machine=$1 ;; -chorusos*) os=-chorusos basic_machine=$1 ;; -chorusrdb) os=-chorusrdb basic_machine=$1 ;; -hiux*) os=-hiuxwe2 ;; -sco6) os=-sco5v6 basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco5) os=-sco3.2v5 basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco4) os=-sco3.2v4 basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco3.2.[4-9]*) os=`echo $os | sed -e 's/sco3.2./sco3.2v/'` basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco3.2v[4-9]*) # Don't forget version if it is 3.2v4 or newer. basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco5v6*) # Don't forget version if it is 3.2v4 or newer. basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco*) os=-sco3.2v2 basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -udk*) basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -isc) os=-isc2.2 basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -clix*) basic_machine=clipper-intergraph ;; -isc*) basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -lynx*178) os=-lynxos178 ;; -lynx*5) os=-lynxos5 ;; -lynx*) os=-lynxos ;; -ptx*) basic_machine=`echo $1 | sed -e 's/86-.*/86-sequent/'` ;; -windowsnt*) os=`echo $os | sed -e 's/windowsnt/winnt/'` ;; -psos*) os=-psos ;; -mint | -mint[0-9]*) basic_machine=m68k-atari os=-mint ;; esac # Decode aliases for certain CPU-COMPANY combinations. case $basic_machine in # Recognize the basic CPU types without company name. # Some are omitted here because they have special meanings below. 1750a | 580 \ | a29k \ | aarch64 | aarch64_be \ | alpha | alphaev[4-8] | alphaev56 | alphaev6[78] | alphapca5[67] \ | alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] | alpha64pca5[67] \ | am33_2.0 \ | arc | arm | arm[bl]e | arme[lb] | armv[2345] | armv[345][lb] | avr | avr32 \ | be32 | be64 \ | bfin \ | c4x | clipper \ | d10v | d30v | dlx | dsp16xx \ | epiphany \ | fido | fr30 | frv \ | h8300 | h8500 | hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \ | hexagon \ | i370 | i860 | i960 | ia64 \ | ip2k | iq2000 \ | le32 | le64 \ | lm32 \ | m32c | m32r | m32rle | m68000 | m68k | m88k \ | maxq | mb | microblaze | mcore | mep | metag \ | mips | mipsbe | mipseb | mipsel | mipsle \ | mips16 \ | mips64 | mips64el \ | mips64octeon | mips64octeonel \ | mips64orion | mips64orionel \ | mips64r5900 | mips64r5900el \ | mips64vr | mips64vrel \ | mips64vr4100 | mips64vr4100el \ | mips64vr4300 | mips64vr4300el \ | mips64vr5000 | mips64vr5000el \ | mips64vr5900 | mips64vr5900el \ | mipsisa32 | mipsisa32el \ | mipsisa32r2 | mipsisa32r2el \ | mipsisa64 | mipsisa64el \ | mipsisa64r2 | mipsisa64r2el \ | mipsisa64sb1 | mipsisa64sb1el \ | mipsisa64sr71k | mipsisa64sr71kel \ | mipstx39 | mipstx39el \ | mn10200 | mn10300 \ | moxie \ | mt \ | msp430 \ | nds32 | nds32le | nds32be \ | nios | nios2 \ | ns16k | ns32k \ | open8 \ | or32 \ | pdp10 | pdp11 | pj | pjl \ | powerpc | powerpc64 | powerpc64le | powerpcle \ | pyramid \ | rl78 | rx \ | score \ | sh | sh[1234] | sh[24]a | sh[24]aeb | sh[23]e | sh[34]eb | sheb | shbe | shle | sh[1234]le | sh3ele \ | sh64 | sh64le \ | sparc | sparc64 | sparc64b | sparc64v | sparc86x | sparclet | sparclite \ | sparcv8 | sparcv9 | sparcv9b | sparcv9v \ | spu \ | tahoe | tic4x | tic54x | tic55x | tic6x | tic80 | tron \ | ubicom32 \ | v850 | v850e | v850e1 | v850e2 | v850es | v850e2v3 \ | we32k \ | x86 | xc16x | xstormy16 | xtensa \ | z8k | z80) basic_machine=$basic_machine-unknown ;; c54x) basic_machine=tic54x-unknown ;; c55x) basic_machine=tic55x-unknown ;; c6x) basic_machine=tic6x-unknown ;; m6811 | m68hc11 | m6812 | m68hc12 | m68hcs12x | picochip) basic_machine=$basic_machine-unknown os=-none ;; m88110 | m680[12346]0 | m683?2 | m68360 | m5200 | v70 | w65 | z8k) ;; ms1) basic_machine=mt-unknown ;; strongarm | thumb | xscale) basic_machine=arm-unknown ;; xgate) basic_machine=$basic_machine-unknown os=-none ;; xscaleeb) basic_machine=armeb-unknown ;; xscaleel) basic_machine=armel-unknown ;; # We use `pc' rather than `unknown' # because (1) that's what they normally are, and # (2) the word "unknown" tends to confuse beginning users. i*86 | x86_64) basic_machine=$basic_machine-pc ;; # Object if more than one company name word. *-*-*) echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2 exit 1 ;; # Recognize the basic CPU types with company name. 580-* \ | a29k-* \ | aarch64-* | aarch64_be-* \ | alpha-* | alphaev[4-8]-* | alphaev56-* | alphaev6[78]-* \ | alpha64-* | alpha64ev[4-8]-* | alpha64ev56-* | alpha64ev6[78]-* \ | alphapca5[67]-* | alpha64pca5[67]-* | arc-* \ | arm-* | armbe-* | armle-* | armeb-* | armv*-* \ | avr-* | avr32-* \ | be32-* | be64-* \ | bfin-* | bs2000-* \ | c[123]* | c30-* | [cjt]90-* | c4x-* \ | clipper-* | craynv-* | cydra-* \ | d10v-* | d30v-* | dlx-* \ | elxsi-* \ | f30[01]-* | f700-* | fido-* | fr30-* | frv-* | fx80-* \ | h8300-* | h8500-* \ | hppa-* | hppa1.[01]-* | hppa2.0-* | hppa2.0[nw]-* | hppa64-* \ | hexagon-* \ | i*86-* | i860-* | i960-* | ia64-* \ | ip2k-* | iq2000-* \ | le32-* | le64-* \ | lm32-* \ | m32c-* | m32r-* | m32rle-* \ | m68000-* | m680[012346]0-* | m68360-* | m683?2-* | m68k-* \ | m88110-* | m88k-* | maxq-* | mcore-* | metag-* | microblaze-* \ | mips-* | mipsbe-* | mipseb-* | mipsel-* | mipsle-* \ | mips16-* \ | mips64-* | mips64el-* \ | mips64octeon-* | mips64octeonel-* \ | mips64orion-* | mips64orionel-* \ | mips64r5900-* | mips64r5900el-* \ | mips64vr-* | mips64vrel-* \ | mips64vr4100-* | mips64vr4100el-* \ | mips64vr4300-* | mips64vr4300el-* \ | mips64vr5000-* | mips64vr5000el-* \ | mips64vr5900-* | mips64vr5900el-* \ | mipsisa32-* | mipsisa32el-* \ | mipsisa32r2-* | mipsisa32r2el-* \ | mipsisa64-* | mipsisa64el-* \ | mipsisa64r2-* | mipsisa64r2el-* \ | mipsisa64sb1-* | mipsisa64sb1el-* \ | mipsisa64sr71k-* | mipsisa64sr71kel-* \ | mipstx39-* | mipstx39el-* \ | mmix-* \ | mt-* \ | msp430-* \ | nds32-* | nds32le-* | nds32be-* \ | nios-* | nios2-* \ | none-* | np1-* | ns16k-* | ns32k-* \ | open8-* \ | orion-* \ | pdp10-* | pdp11-* | pj-* | pjl-* | pn-* | power-* \ | powerpc-* | powerpc64-* | powerpc64le-* | powerpcle-* \ | pyramid-* \ | rl78-* | romp-* | rs6000-* | rx-* \ | sh-* | sh[1234]-* | sh[24]a-* | sh[24]aeb-* | sh[23]e-* | sh[34]eb-* | sheb-* | shbe-* \ | shle-* | sh[1234]le-* | sh3ele-* | sh64-* | sh64le-* \ | sparc-* | sparc64-* | sparc64b-* | sparc64v-* | sparc86x-* | sparclet-* \ | sparclite-* \ | sparcv8-* | sparcv9-* | sparcv9b-* | sparcv9v-* | sv1-* | sx?-* \ | tahoe-* \ | tic30-* | tic4x-* | tic54x-* | tic55x-* | tic6x-* | tic80-* \ | tile*-* \ | tron-* \ | ubicom32-* \ | v850-* | v850e-* | v850e1-* | v850es-* | v850e2-* | v850e2v3-* \ | vax-* \ | we32k-* \ | x86-* | x86_64-* | xc16x-* | xps100-* \ | xstormy16-* | xtensa*-* \ | ymp-* \ | z8k-* | z80-*) ;; # Recognize the basic CPU types without company name, with glob match. xtensa*) basic_machine=$basic_machine-unknown ;; # Recognize the various machine names and aliases which stand # for a CPU type and a company and sometimes even an OS. 386bsd) basic_machine=i386-unknown os=-bsd ;; 3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc) basic_machine=m68000-att ;; 3b*) basic_machine=we32k-att ;; a29khif) basic_machine=a29k-amd os=-udi ;; abacus) basic_machine=abacus-unknown ;; adobe68k) basic_machine=m68010-adobe os=-scout ;; alliant | fx80) basic_machine=fx80-alliant ;; altos | altos3068) basic_machine=m68k-altos ;; am29k) basic_machine=a29k-none os=-bsd ;; amd64) basic_machine=x86_64-pc ;; amd64-*) basic_machine=x86_64-`echo $basic_machine | sed 's/^[^-]*-//'` ;; amdahl) basic_machine=580-amdahl os=-sysv ;; amiga | amiga-*) basic_machine=m68k-unknown ;; amigaos | amigados) basic_machine=m68k-unknown os=-amigaos ;; amigaunix | amix) basic_machine=m68k-unknown os=-sysv4 ;; apollo68) basic_machine=m68k-apollo os=-sysv ;; apollo68bsd) basic_machine=m68k-apollo os=-bsd ;; aros) basic_machine=i386-pc os=-aros ;; aux) basic_machine=m68k-apple os=-aux ;; balance) basic_machine=ns32k-sequent os=-dynix ;; blackfin) basic_machine=bfin-unknown os=-linux ;; blackfin-*) basic_machine=bfin-`echo $basic_machine | sed 's/^[^-]*-//'` os=-linux ;; bluegene*) basic_machine=powerpc-ibm os=-cnk ;; c54x-*) basic_machine=tic54x-`echo $basic_machine | sed 's/^[^-]*-//'` ;; c55x-*) basic_machine=tic55x-`echo $basic_machine | sed 's/^[^-]*-//'` ;; c6x-*) basic_machine=tic6x-`echo $basic_machine | sed 's/^[^-]*-//'` ;; c90) basic_machine=c90-cray os=-unicos ;; cegcc) basic_machine=arm-unknown os=-cegcc ;; convex-c1) basic_machine=c1-convex os=-bsd ;; convex-c2) basic_machine=c2-convex os=-bsd ;; convex-c32) basic_machine=c32-convex os=-bsd ;; convex-c34) basic_machine=c34-convex os=-bsd ;; convex-c38) basic_machine=c38-convex os=-bsd ;; cray | j90) basic_machine=j90-cray os=-unicos ;; craynv) basic_machine=craynv-cray os=-unicosmp ;; cr16 | cr16-*) basic_machine=cr16-unknown os=-elf ;; crds | unos) basic_machine=m68k-crds ;; crisv32 | crisv32-* | etraxfs*) basic_machine=crisv32-axis ;; cris | cris-* | etrax*) basic_machine=cris-axis ;; crx) basic_machine=crx-unknown os=-elf ;; da30 | da30-*) basic_machine=m68k-da30 ;; decstation | decstation-3100 | pmax | pmax-* | pmin | dec3100 | decstatn) basic_machine=mips-dec ;; decsystem10* | dec10*) basic_machine=pdp10-dec os=-tops10 ;; decsystem20* | dec20*) basic_machine=pdp10-dec os=-tops20 ;; delta | 3300 | motorola-3300 | motorola-delta \ | 3300-motorola | delta-motorola) basic_machine=m68k-motorola ;; delta88) basic_machine=m88k-motorola os=-sysv3 ;; dicos) basic_machine=i686-pc os=-dicos ;; djgpp) basic_machine=i586-pc os=-msdosdjgpp ;; dpx20 | dpx20-*) basic_machine=rs6000-bull os=-bosx ;; dpx2* | dpx2*-bull) basic_machine=m68k-bull os=-sysv3 ;; ebmon29k) basic_machine=a29k-amd os=-ebmon ;; elxsi) basic_machine=elxsi-elxsi os=-bsd ;; encore | umax | mmax) basic_machine=ns32k-encore ;; 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merlin) basic_machine=ns32k-utek os=-sysv ;; microblaze) basic_machine=microblaze-xilinx ;; mingw32) basic_machine=i386-pc os=-mingw32 ;; mingw32ce) basic_machine=arm-unknown os=-mingw32ce ;; miniframe) basic_machine=m68000-convergent ;; *mint | -mint[0-9]* | *MiNT | *MiNT[0-9]*) basic_machine=m68k-atari os=-mint ;; mips3*-*) basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'` ;; mips3*) basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`-unknown ;; monitor) basic_machine=m68k-rom68k os=-coff ;; morphos) basic_machine=powerpc-unknown os=-morphos ;; msdos) basic_machine=i386-pc os=-msdos ;; ms1-*) basic_machine=`echo $basic_machine | sed -e 's/ms1-/mt-/'` ;; msys) basic_machine=i386-pc os=-msys ;; mvs) basic_machine=i370-ibm os=-mvs ;; nacl) basic_machine=le32-unknown os=-nacl ;; ncr3000) basic_machine=i486-ncr os=-sysv4 ;; netbsd386) basic_machine=i386-unknown os=-netbsd ;; netwinder) basic_machine=armv4l-rebel os=-linux ;; news | news700 | news800 | news900) basic_machine=m68k-sony os=-newsos ;; 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parisc) basic_machine=hppa-unknown os=-linux ;; parisc-*) basic_machine=hppa-`echo $basic_machine | sed 's/^[^-]*-//'` os=-linux ;; pbd) basic_machine=sparc-tti ;; pbb) basic_machine=m68k-tti ;; pc532 | pc532-*) basic_machine=ns32k-pc532 ;; pc98) basic_machine=i386-pc ;; pc98-*) basic_machine=i386-`echo $basic_machine | sed 's/^[^-]*-//'` ;; pentium | p5 | k5 | k6 | nexgen | viac3) basic_machine=i586-pc ;; pentiumpro | p6 | 6x86 | athlon | athlon_*) basic_machine=i686-pc ;; pentiumii | pentium2 | pentiumiii | pentium3) basic_machine=i686-pc ;; pentium4) basic_machine=i786-pc ;; pentium-* | p5-* | k5-* | k6-* | nexgen-* | viac3-*) basic_machine=i586-`echo $basic_machine | sed 's/^[^-]*-//'` ;; pentiumpro-* | p6-* | 6x86-* | athlon-*) basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'` ;; pentiumii-* | pentium2-* | pentiumiii-* | pentium3-*) basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'` ;; pentium4-*) basic_machine=i786-`echo $basic_machine | sed 's/^[^-]*-//'` ;; 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w65*) basic_machine=w65-wdc os=-none ;; w89k-*) basic_machine=hppa1.1-winbond os=-proelf ;; xbox) basic_machine=i686-pc os=-mingw32 ;; xps | xps100) basic_machine=xps100-honeywell ;; xscale-* | xscalee[bl]-*) basic_machine=`echo $basic_machine | sed 's/^xscale/arm/'` ;; ymp) basic_machine=ymp-cray os=-unicos ;; z8k-*-coff) basic_machine=z8k-unknown os=-sim ;; z80-*-coff) basic_machine=z80-unknown os=-sim ;; none) basic_machine=none-none os=-none ;; # Here we handle the default manufacturer of certain CPU types. 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We pick the logical manufacturer. vendor=unknown case $basic_machine in *-unknown) case $os in -riscix*) vendor=acorn ;; -sunos*) vendor=sun ;; -cnk*|-aix*) vendor=ibm ;; -beos*) vendor=be ;; -hpux*) vendor=hp ;; -mpeix*) vendor=hp ;; -hiux*) vendor=hitachi ;; -unos*) vendor=crds ;; -dgux*) vendor=dg ;; -luna*) vendor=omron ;; -genix*) vendor=ns ;; -mvs* | -opened*) vendor=ibm ;; -os400*) vendor=ibm ;; -ptx*) vendor=sequent ;; -tpf*) vendor=ibm ;; -vxsim* | -vxworks* | -windiss*) vendor=wrs ;; -aux*) vendor=apple ;; -hms*) vendor=hitachi ;; -mpw* | -macos*) vendor=apple ;; -*mint | -mint[0-9]* | -*MiNT | -MiNT[0-9]*) vendor=atari ;; -vos*) vendor=stratus ;; esac basic_machine=`echo $basic_machine | sed "s/unknown/$vendor/"` ;; esac echo $basic_machine$os exit # Local variables: # eval: (add-hook 'write-file-hooks 'time-stamp) # time-stamp-start: "timestamp='" # time-stamp-format: "%:y-%02m-%02d" # time-stamp-end: "'" # End: doscan-0.3.3/configure.ac0000644000175000017500000000407712422725357013105 0ustar fwfwdnl Process this file with autoconf to produce a configure script. AC_INIT(doscan, 0.3.3, fw@deneb.enyo.de) AC_CANONICAL_TARGET AC_EXEEXT dnl Checks for programs. AC_PROG_INSTALL AC_PROG_CC AC_PROG_CXX if test "$GCC" = "yes" ; then AC_SUBST([WARN_CFLAGS], [-Wall]) fi dnl for C compiler properties. AC_C_CONST AC_C_INLINE AC_TYPE_SIZE_T dnl Checks for header files. AC_HEADER_STDC AC_CHECK_HEADERS([libintl.h stdint.h stdlib.h string.h strings.h unistd.h]) AC_CHECK_HEADERS([sys/filio.h sys/epoll.h]) dnl Checks for library functions. AC_FUNC_MALLOC AC_CHECK_FUNCS([memcpy memset epoll_wait]) dnl Checks for libraries. AC_SEARCH_LIBS(gethostbyname, nsl) AC_SEARCH_LIBS(connect, socket) AC_CHECK_PROG([PCRE_CONFIG], [pcre-config], [pcre-config], [no]) if test "$PCRE_CONFIG" = "no" ; then AC_MSG_ERROR([cannot find PCRE library]) fi dnl C++ compiler compatibility checks. AC_LANG(C++) AC_COMPILE_IFELSE([AC_LANG_SOURCE([[#include #include #include #include void test(unsigned host) { struct in_addr in; struct hostent *he; in.s_addr = htonl(host); he = gethostbyaddr(&in, sizeof(in), AF_INET); } ]])], [AC_DEFINE(GETHOSTBYADDR_ACCEPTS_IN_ADDR, [], [Define if first argument to gethostbyaddr() is struct in_addr*.])]) AC_COMPILE_IFELSE([AC_LANG_SOURCE([[#include #include #include #include void test(unsigned host) { struct in_addr in; struct hostent *he; in.s_addr = htonl(host); he = gethostbyaddr(reinterpret_cast(&in), sizeof(in), AF_INET); } ]])], [AC_DEFINE(GETHOSTBYADDR_ACCEPTS_CHAR, [], [Define if first argument to gethostbyaddr() is char*.])]) dnl Handle . AH_BOTTOM([/* Include where available. On other systems, hope that provides the necessary types. */ #ifdef HAVE_STDINT_H #include #else #include #endif ]) AC_CONFIG_SRCDIR([src/doscan.cc]) AC_CONFIG_HEADER(config.h) AC_CONFIG_FILES([Makefile]) AC_CONFIG_FILES([stamp-h], [echo timestamp > stamp-h]) AC_OUTPUT doscan-0.3.3/doc/0000755000175000017500000000000012422725647011356 5ustar fwfwdoscan-0.3.3/doc/design.txt0000644000175000017500000000215112421722573013361 0ustar fwfwDesign Flaws in doscan ---------------------- Despite its small size, doscan contains several design flaws which are somewhat hard to address at this point. * Error reporting is rather poor. The reporting engine in src/result.{h,cc} has hardly been modified since the switch from C to C++. A complete rewrite is necessary for more accurate reporting of errors. * Scanning modules are harder to write than expected. The single-threaded, non-blocking I/O design of doscan is certainly quite performant (as it minimizes context switches), but it's too hard to write moderately complex protocol modules. The HTTP client/server code is a bad example. The current interfaces are also somewhat error-prone (unbounded memory allocation can occur if the protocol module is not written carefully). * The connect() rate limiting needs a complete overhaul. It's likely that we stress the network more than necessary because we do not adequately distribute connect() calls in time. And finally, C++ is an unsafe programming language. Buffer overflows lurk at almost every corner. doscan-0.3.3/doc/doscan.10000644000175000017500000003655712422007604012711 0ustar fwfw.\" doscan - Denial Of Service Capable Auditing of Networks .\" Copyright (C) 2003 Florian Weimer .\" .\" This program is free software; you can redistribute it and/or modify .\" it under the terms of the GNU General Public License as published by .\" the Free Software Foundation; either version 2 of the License, or .\" (at your option) any later version. .\" .\" This program is distributed in the hope that it will be useful, .\" but WITHOUT ANY WARRANTY; without even the implied warranty of .\" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the .\" GNU General Public License for more details. .\" .\" You should have received a copy of the GNU General Public License .\" along with this program; if not, write to the Free Software .\" Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA .\" .TH DOSCAN 1 2003-07-27 "" "" .SH NAME doscan \- Denial Of Service Capable Auditing of Networks .SH SYNOPSIS .B doscan .I options prefix... .SH DESCRIPTION .B doscan is a tool to discover TCP services ony our network. It is designed for scanning a single ports on a large network. (There are better tools for scanning many ports on a small set of hosts, for example .BR nmap "(8).)" .PP The .I prefix parameter instructs .B doscan to scan all addresses in this prefix. Prefix notation is, as usual, .IR A.B.C.D/L , where .I A.B.C.D is an IP address in dotted-quad notation, and .I L is a prefix length from 1 to 32. If the .I /L part is omitted, .I /32 is assumed (and a single host is scanned). .PP .B doscan uses a random scatter technology to distribute the load across the network. Within a given prefix, hosts are not scanned sequentially, but in a random-looking, but reproducible order. As a result, .B doscan will not stress-test the network edge (just the next hop). (The prefixes themselves are scanned in order.) .SH OPTIONS The .B --port option is mandatory, all other options are optional. .TP .B -a \fItimeout\fP, --add-timeout \fItimeout\fP .PD 0 .TP .B -A \fIcount\fP, --add-burst \fIcount\fP These options specify the timeout (in milliseconds) before new connections are added, and the number of new connections or hosts to add in one burst. Each .I timeout millisecond, .I count new hosts are contacted. (The per-host timeout controlled by the .B --timeout option is independent. It specifies the timeout once the first packet has been sent.) .PD .TP .B -b \fIcount\fP, --banner \fIcount\fP .B doscan reads at most .I count bytes from the remote host. The exact effect of this option varies among protocol modules, see the .SM .B "PROTOCOL MODULES" section for details. .TP .B -c \fIcount\fP, --connections \fIcount\fP At most .I count connections are established in parallel. See .SM .B CAVEATS below for problems resulting from system file descriptor limits, and instructions for choosing this parameter. By default, at most 50 parallel connections are established. .TP .B -E, --no-epoll Do not use the .B epoll kernel interface even if it's available (useful for debugging). .TP .B -f, --file \fIname\fP .B doscan reads prefixes from the file .IR name , in addition to the command line. The file shall contain one prefix per line. See the .SM .B DESCRIPTION section above for the prefix format. To better distribute scanning of long prefix lists, all prefixies are reorded randomly if the .B --file option is used. .TP .B -i, --indicator Display a progress indicator. If .B doscan is invoked with this option, the number of connections which have been established so far, the total number of addresses to be scanned, the number of currently active connections, and the number of hosts for which a report entry has been generated are displayed periodically. .TP .B -n, --net-errors Instructs .B doscan to report network errors even if they prevent a connection. Normally, such errors are suppressed. .TP .B -o \fIformat\fP, --output \fIformat\fP This option changes the format which .B doscan uses to report its findings. See the .SM .B "OUTPUT FORMAT" section below for details. .TP .B -p \fIport\fP, --port \fIport\fP The .B --port option controls to which TCP port .B doscan connects when scanning a host. .TP .B --protocol \Istring\fP, -P \Istring\fP Chooses the protocol module .IR string . See the .SM .B "PROTOCOL MODULES" section for information on available protocol modules. .TP .B --send \fIstring\fP, -s \fIstring\fP .PD 0 .TP .B --receive \fIregexp\fP, -r \fIregexp\fP .PD The effects of these options depend on the protocol module. See the .SM .B "PROTOCOL MODULES" section for details. .TP .B --style \fIstyle\fP, -S \fIstyle\fP This option controls the output style. See the .SM .B "OUTPUT FORMAT" section for details. .TP .B -t \fItimeout\fP, --timeout \fItimeout\fP This option sets the connect timeout to .I timeout milliseconds. If this time passes without a successfully established connection, .B doscan skips the hosts. .TP .B -v, --verbose Turn on additional reporting to standard error. .TP .B -h, --help Display help message and exit. .TP .B -V, --version Output version information and exit. .SH "PROTOCOL MODULES" .B doscan supports several protocol modules. By default, the generic .B tcp module is used, but you can choose another module using the .B --protocol option. The effect of the .BR --banner , .BR --send and .B --receive options depends on the protocol module. Available modules include: .TP .B http This module causes .B doscan to connect to HTTP servers, send a request, and collect the server identification from the response. .IP The .B --banner option specifies the maximum receive buffer size. It defaults to 4000 bytes. .IP .B The .B --send option specifies the request that is send to the server. The string can include C escape sequences to send control characters. By default, the request .B GET / HTTP/1.0\er\en\er\en (that is, .B GET / HTTP/1.0 followed by the four characters CR, LF, CR, LF) is sent. .IP The .B --receive option is not supported by this protocol module. .TP .B http_proxy This protocol module probes hosts for open HTTP proxies. The .B --port option controls the port that is probed. The required .B --receive option must be an integer in the range from 1 to 65534, the number specifies the port on which .B doscan listens for the connections from open proxies. The required .B --send option specifies the HTTP request method, either "GET" or "CONNECT". .IP The .B --banner option is not supported by this protocol module. .IP .B Warning: In the worst case, the amount of file descriptors is slightly more than twice the number of parallel connections given by the .B --connections options. The additional file descriptors are used by .BR doscan 's HTTP server component to process the connections .I from open proxies. .IP See the .SM .B "EXAMPLES" section for some convenient combinations of those otions. .TP .B ident_check This protocol module reports hosts which have TCP service listening on the specified port which is .I not a proper IDENT/AUTH daemon. It is most useful with a .B --port 113 command line argument. None of the .BR --banner , .B --receive and .B --send options are supported. .TP .B tcp This module is intended for generic TCP service probing and fingerprinting. .IP The .B --banner option controls the maximum length of banner strings which are collected. If its argument is zero or if the option is not specified, no banner strings are collected. In this case, .B doscan closes connections immediately after they have been established (which results in an increased scanning rate). .IP After establishing a connection, .B doscans sends the string specified by the .B --send option to the remote host. The string can contain the usual C escape sequences (including .BR \e000 ), to send non-printable characters. .IP The .B --receive option specifies a Perl-compatible regular expression (PCRE), and .B doscan uses it to analyze the data returned by a remote host. The regular expression may contain at least one capturing subpattern, it is always anchored at the beginning of the received data. The character .B . (period) matches all characters (including newline). .B $ (dollar sign) matches the very end of the received data (which may, however, still be incomplete). See .BR pcrepattern (3) for details about the syntax of Perl-compatible regular expression. .IP The .B --receive regular expression is used by .B doscan for several purposes. If data is received from a remote host, and if the regular expression ends with .BR $ , .B doscan immediately closes the connection if all the data received so far from this host matches the regular expression. .RB ( doscan assumes that the reply is complete; increased scanning speed is the result.) When a connection is terminated for any reason, .B doscan checks if the regular expression matches the collected data. If it doesn't, a .B no match error is recorded (if no other error occured). If it does, and the regular expression contains a capturing subpattern, that subpattern is recorded. Otherwise, the whole data is recorded. .IP In order to use the .B --receive option, you have to specify the .B --banner option as well. .TP .B udp This module is a generic UDP scanner, as far such a thing is possible. It sends up to five UDP packets (whose payload is controlled by the mandatory .B --send option) to the specified port. Replies are collected. The .B --banner option is implicit and set to the maximum payload size. Retransmission is stopped when the first reply is received. .IP In verbose mode (with both .B --verbose and .B --net-errors options), a warning like "stray UDP packet from 192.0.2.4:7" is printed to standard error when an unexpected UDP packets is received. Packets to sent to network or broadcast adresses trigger such packets, and poorly implemented UDP services on multi-homed machines answer with a different source IP address. .SH "OUTPUT FORMAT" .B doscan prints all gathered data about scanned prefixes to standard output, just before the program terminates. The output format can be changed with the .B --output option. The .I format argument of this option is a string which includes .B % substitions, similar to .BR printf (3). The following substitions are supported .TP .B %% A literal percent character. .TP .B %a The address of the remote host. .TP .B %b The banner return by the host. .TP .B %e The error code as a string, empty if no error occurred while scanning the host. .IP This is either a system error constant (such as ECONNREFUSED), or the string .B unknown (unknown error code). If the .B --receive option is active and the received data does not match the specified regular expresion, and no other error has occured, the column contains .BR "no match" . .TP .B %E The numeric error code corresponding to the .B %e error message, or zero if no error occurred. Negativ error numbers are returned for internal errors (such as a failed match against the .B --receive regular expression). .TP .B %n The host name corresponding to the scanned IP address (based on a DNS lookup). Note that this slows down reporting a lot, in general. For this reason, it is not recommended to use .B %n together with .BR "--style unsorted" . .TP .B %N A verbatim ASCII LF (newline) character. .TP .B %r The time when the information was gathered, measured in seconds since the scanning started. .TP .B %t The time when the information was gathered, in local time. .TP .B %T Same as .BR %t , but in UTC (also known as GMT). .TP .B %% A verbatim percent sign (%). .PP The default value for the .B --output option is .BR %T\et%a\et%e\et%b , where .B \et denotes an ASCII HTAB character. .PP The .B --style or .B -S option supports the following arguments: .TP .B sort-by-host The output is sorted by the IP address of the scanned host. (This is the default.) .TP .B unsorted The output is not sorted and appears in the order the hosts responded. .IP Caution: Do not use this style together with an .B --output argument which includes .BR %n , and do not pipe the output of .B doscan to a process which cannot read its standard input quickly. Output is performed synchronously, and if it is delayed, this might impact the scanning activity. .PP In all cases except .BR unsorted , output is delayed just before the termination of the program. .SH EXAMPLES .IP .B doscan --banner 100 --port 13 192.0.2.1 .PP Prints the time on the host 192.0.2.1 (if it runs a daytime server). .IP .B doscan --banner 100 --receive '(.*)\en$' --port 22 192.0.2.0/24 .PP Scan for SSH servers and record the banners (usually containing version information about the SSH server). .IP .B doscan --banner 200 --receive '(.*?)\er?\en$' --port 25 192.0.2.0/24 .PP Scan for SMTP servers and record their greeting messages. Works for FTP as well, with .B --port 21 instead of .BR "--port 25" . .IP .PD 0 .B doscan --banner 2000 --send 'GET / HTTP/1.0\er\en\er\en' \e .IP "" 1in .B --receive '.*?\enServer: *([^\er\en]*) *\er?\en.*$' \e .IP "" 1in .B --port 80 192.0.2.0/24 .PD .PP Scan for HTTP servers and record their version strings. .IP .PD 0 .B doscan --protocol http_proxy --port 3128 \e .IP "" 1in .B --send GET --receive 80 192.0.2.0/24 .PD .PP Scan for open proxies on TCP port 3128, using the GET HTTP request method. Try to connect back to port 80 on the scanning host. .PP It is recommended that you use port 80 for the listening port if you scan using GET requests. For CONNECT requests, port 443 should be used (see below). Some administrators might restrict CONNECT to TCP port 443 (or filter it for the GET request method), so these choices give best results. .IP .PD 0 .B doscan --protocol http_proxy --port 8080 \e .IP "" 1in .B --send CONNECT --receive 443 192.0.2.0/24 .PD .PP Scan for open proxies on TCP port 8080, using the CONNECT HTTP request method. Try to connect back to port 443 on the scanning host. .SH CAVEATS The most important option for tuning is .BR --connections . Increasing this option can greatly increase scanning performance. However, there a two caveats: Many connections require many sockets, and your system might not support so many of them. Furthermore, a large number of parallel connections generates significant numbers of packets, and a high CPU load, which can both lead to spurious connection failures (false negatives). .PP To increase the number of connections your system can process, you usually have to raise the corresponding .B ulimit value in your shell, which requires .B root privileges. For example, in .BR bash "(1)," you can invoke .IP .B ulimit -n 10030 .PP to raise the descriptor limit to 10030. You can then pass .B --connections 10000 to .BR doscan . (Some file descriptors are not used for scanning, but have to be open nonetheless, and count towards the .B ulimit -n limit.) .PP On Linux-based systems, you might have to adjust some .B sysctl values which control system-wide descriptor limits. Refer to .BR sysctl.conf "(5)," the .B Documentation directory in the Linux source tree, or the source code itself for details. .PP Note, however, that if you increase the number of parallel connections beyond a certain value, you will .I lose some hosts, that is they will not be reported even though they are running a service on the scanned port. Therefore, you should watch both network and CPU utilization to detect bottlenecks. Although the random scatter technique employed by .B doscan tries to split the load across your whole network, this obviously fails if the next hop cannot bear the traffic. .SH AUTHOR .B doscan was written by Florian Weimer. .SH "SEE ALSO" .BR nmap "(8)," .BR pcrepattern "(3)," .BR sysctl.conf "(5) (on GNU/Linux systems)," shell documentation for the .B ulimit interface doscan-0.3.3/etc/0000755000175000017500000000000012422725647011364 5ustar fwfwdoscan-0.3.3/etc/check-source.pl0000644000175000017500000000474612422007621014270 0ustar fwfw#!/usr/bin/perl use strict; use warnings; my $RE_Ignore = qr!^(COPYING|install-sh|config\.(sub|guess)|configure|(.*/)?Make.*|(doc/nasl|lib)/.*)$!; my $Error = 0; my $Last_Empty = 0; # Check for presence of required include files. my %Requires = (# C++ Standard Library qr/std::string/ => '', qr/std::vector/ => '', qr/std::map/ => '', qr/std::auto_ptr/ => '', # C Library qr/std(in|out|err)\b/ => '', qr/printf/ => '', # POSIX qr/getpid/ => '', ); sub check_includes ($) { my $File = shift; open FILE, "< $File"; my %Sys_Includes; while (my $Line = ) { chomp $Line; if ($Line =~ /^\s*\#include/) { if ($Line =~ /^\#include ([\"<][a-z0-9\/_]+(?:\.h)?[\">])/) { my $Include = $1; if ($Include =~ /^<.*>/) { # Only system include files are tracked. $Sys_Includes{$Include}++; } } else { print "$File:$.: invalid #include directive\n"; $Error++; } } for my $RE (keys %Requires) { if ($Line =~ $RE) { unless ($Sys_Includes{$Requires{$RE}}) { print "$File:$.: include file $Requires{$RE} required\n"; # Report only once. $Sys_Includes{$Requires{$RE}}++; $Error++; } } } } close FILE; } # Generic checks for tabs and whitespace. for my $File (@ARGV) { if ($File =~ $RE_Ignore) { next; } open FILE, "< $File" or die "$File: open failed: $!\n"; while (my $Line = ) { if ($Line =~ /\n$/) { chomp $Line; } else { print "$File:$.: line does not end with whitespace\n"; $Error++; } if ($Line eq "\x0c") { next; } if ($Line =~ /\s+$/) { print "$File:$.: trailing whitespace\n"; $Error++; } if ($Line =~ /\t/) { print "$File:$.: tab character\n"; $Error++; } $Last_Empty = $Line =~ /^\s*$/; } if ($Last_Empty) { print "$File:$.: trailing empty lines\n"; } close FILE; if ($File =~ /\.(cc|h)/) { check_includes $File; } } if ($Error) { exit 1; } else { exit 0; } doscan-0.3.3/etc/inventory.pl0000644000175000017500000000212412421722573013747 0ustar fwfw#!/usr/bin/perl use strict; use warnings; if (@ARGV != 1 or $ARGV[0] !~ /^--(directories|files)$/) { die "usage: $0 { --directories | --files }\n"; } my $files = $ARGV[0] eq "--files"; my $svn; open $svn, 'svn status --verbose |' or die "Cannot spawn svn: $!\n"; my @files; while (my $line = <$svn>) { chomp $line; my ($status, $mod, $locked, $history, $switched, $ood, $working, $committed, $comitter, $path) = ($line =~ /^([ ADMCIX?!~])([ MC])([ L])([ +])([ S])\ \ ([ *])\ + (\d*|\?)\ +(\d*|\?)\ +([^ ]*)\ +([^\n]+)$/x); die "Unexpected line: $line\n" unless $path; die "$path: file with conflicts\n" if $status eq 'C'; die "$path: file is missing or incomplete\n" if $status eq '!'; die "$path: versioned item is obstructed\n" if $status eq '~'; print STDERR "$path: warning: unknown file\n" if $status eq '?'; next if $path eq '.'; push @files, $path if $status =~ /[ AM]/; } close $svn; for my $file (@files) { if ($files) { print "$file\n" if -f $file; } else { print "$file\n" if -d $file; } } doscan-0.3.3/install-sh0000644000175000017500000001572212421722573012613 0ustar fwfw#!/bin/sh # # install - install a program, script, or datafile # # This originates from X11R5 (mit/util/scripts/install.sh), which was # later released in X11R6 (xc/config/util/install.sh) with the # following copyright and license. # # Copyright (C) 1994 X Consortium # # Permission is hereby granted, free of charge, to any person obtaining a copy # of this software and associated documentation files (the "Software"), to # deal in the Software without restriction, including without limitation the # rights to use, copy, modify, merge, publish, distribute, sublicense, and/or # sell copies of the Software, and to permit persons to whom the Software is # furnished to do so, subject to the following conditions: # # The above copyright notice and this permission notice shall be included in # all copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE # X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN # AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC- # TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. # # Except as contained in this notice, the name of the X Consortium shall not # be used in advertising or otherwise to promote the sale, use or other deal- # ings in this Software without prior written authorization from the X Consor- # tium. # # # FSF changes to this file are in the public domain. # # Calling this script install-sh is preferred over install.sh, to prevent # `make' implicit rules from creating a file called install from it # when there is no Makefile. # # This script is compatible with the BSD install script, but was written # from scratch. It can only install one file at a time, a restriction # shared with many OS's install programs. # set DOITPROG to echo to test this script # Don't use :- since 4.3BSD and earlier shells don't like it. doit="${DOITPROG-}" # put in absolute paths if you don't have them in your path; or use env. vars. mvprog="${MVPROG-mv}" cpprog="${CPPROG-cp}" chmodprog="${CHMODPROG-chmod}" chownprog="${CHOWNPROG-chown}" chgrpprog="${CHGRPPROG-chgrp}" stripprog="${STRIPPROG-strip}" rmprog="${RMPROG-rm}" mkdirprog="${MKDIRPROG-mkdir}" transformbasename="" transform_arg="" instcmd="$mvprog" chmodcmd="$chmodprog 0755" chowncmd="" chgrpcmd="" stripcmd="" rmcmd="$rmprog -f" mvcmd="$mvprog" src="" dst="" dir_arg="" while [ x"$1" != x ]; do case $1 in -c) instcmd=$cpprog shift continue;; -d) dir_arg=true shift continue;; -m) chmodcmd="$chmodprog $2" shift shift continue;; -o) chowncmd="$chownprog $2" shift shift continue;; -g) chgrpcmd="$chgrpprog $2" shift shift continue;; -s) stripcmd=$stripprog shift continue;; -t=*) transformarg=`echo $1 | sed 's/-t=//'` shift continue;; -b=*) transformbasename=`echo $1 | sed 's/-b=//'` shift continue;; *) if [ x"$src" = x ] then src=$1 else # this colon is to work around a 386BSD /bin/sh bug : dst=$1 fi shift continue;; esac done if [ x"$src" = x ] then echo "$0: no input file specified" >&2 exit 1 else : fi if [ x"$dir_arg" != x ]; then dst=$src src="" if [ -d "$dst" ]; then instcmd=: chmodcmd="" else instcmd=$mkdirprog fi else # Waiting for this to be detected by the "$instcmd $src $dsttmp" command # might cause directories to be created, which would be especially bad # if $src (and thus $dsttmp) contains '*'. if [ -f "$src" ] || [ -d "$src" ] then : else echo "$0: $src does not exist" >&2 exit 1 fi if [ x"$dst" = x ] then echo "$0: no destination specified" >&2 exit 1 else : fi # If destination is a directory, append the input filename; if your system # does not like double slashes in filenames, you may need to add some logic if [ -d "$dst" ] then dst=$dst/`basename "$src"` else : fi fi ## this sed command emulates the dirname command dstdir=`echo "$dst" | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'` # Make sure that the destination directory exists. # this part is taken from Noah Friedman's mkinstalldirs script # Skip lots of stat calls in the usual case. if [ ! -d "$dstdir" ]; then defaultIFS=' ' IFS="${IFS-$defaultIFS}" oIFS=$IFS # Some sh's can't handle IFS=/ for some reason. IFS='%' set - `echo "$dstdir" | sed -e 's@/@%@g' -e 's@^%@/@'` IFS=$oIFS pathcomp='' while [ $# -ne 0 ] ; do pathcomp=$pathcomp$1 shift if [ ! -d "$pathcomp" ] ; then $mkdirprog "$pathcomp" else : fi pathcomp=$pathcomp/ done fi if [ x"$dir_arg" != x ] then $doit $instcmd "$dst" && if [ x"$chowncmd" != x ]; then $doit $chowncmd "$dst"; else : ; fi && if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$dst"; else : ; fi && if [ x"$stripcmd" != x ]; then $doit $stripcmd "$dst"; else : ; fi && if [ x"$chmodcmd" != x ]; then $doit $chmodcmd "$dst"; else : ; fi else # If we're going to rename the final executable, determine the name now. if [ x"$transformarg" = x ] then dstfile=`basename "$dst"` else dstfile=`basename "$dst" $transformbasename | sed $transformarg`$transformbasename fi # don't allow the sed command to completely eliminate the filename if [ x"$dstfile" = x ] then dstfile=`basename "$dst"` else : fi # Make a couple of temp file names in the proper directory. dsttmp=$dstdir/_inst.$$_ rmtmp=$dstdir/_rm.$$_ # Trap to clean up temp files at exit. trap 'status=$?; rm -f "$dsttmp" "$rmtmp" && exit $status' 0 trap '(exit $?); exit' 1 2 13 15 # Move or copy the file name to the temp name $doit $instcmd "$src" "$dsttmp" && # and set any options; do chmod last to preserve setuid bits # If any of these fail, we abort the whole thing. If we want to # ignore errors from any of these, just make sure not to ignore # errors from the above "$doit $instcmd $src $dsttmp" command. if [ x"$chowncmd" != x ]; then $doit $chowncmd "$dsttmp"; else :;fi && if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$dsttmp"; else :;fi && if [ x"$stripcmd" != x ]; then $doit $stripcmd "$dsttmp"; else :;fi && if [ x"$chmodcmd" != x ]; then $doit $chmodcmd "$dsttmp"; else :;fi && # Now remove or move aside any old file at destination location. We try this # two ways since rm can't unlink itself on some systems and the destination # file might be busy for other reasons. In this case, the final cleanup # might fail but the new file should still install successfully. { if [ -f "$dstdir/$dstfile" ] then $doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null || $doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null || { echo "$0: cannot unlink or rename $dstdir/$dstfile" >&2 (exit 1); exit } else : fi } && # Now rename the file to the real destination. $doit $mvcmd "$dsttmp" "$dstdir/$dstfile" fi && # The final little trick to "correctly" pass the exit status to the exit trap. { (exit 0); exit } doscan-0.3.3/lib/0000755000175000017500000000000012422725647011357 5ustar fwfwdoscan-0.3.3/lib/README0000644000175000017500000000020612422007632012220 0ustar fwfwThis directory contains source files which are maintained by others. The files getopt.h, getopt.c and getopt1.c come from libiberty. doscan-0.3.3/lib/getopt.c0000644000175000017500000007270612421722573013033 0ustar fwfw/* Getopt for GNU. NOTE: getopt is now part of the C library, so if you don't know what "Keep this file name-space clean" means, talk to drepper@gnu.org before changing it! Copyright (C) 1987, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98 Free Software Foundation, Inc. NOTE: This source is derived from an old version taken from the GNU C Library (glibc). This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* This tells Alpha OSF/1 not to define a getopt prototype in . Ditto for AIX 3.2 and . */ #ifndef _NO_PROTO # define _NO_PROTO #endif #ifdef HAVE_CONFIG_H # include #endif #if !defined __STDC__ || !__STDC__ /* This is a separate conditional since some stdc systems reject `defined (const)'. */ # ifndef const # define const # endif #endif #include /* Comment out all this code if we are using the GNU C Library, and are not actually compiling the library itself. This code is part of the GNU C Library, but also included in many other GNU distributions. Compiling and linking in this code is a waste when using the GNU C library (especially if it is a shared library). Rather than having every GNU program understand `configure --with-gnu-libc' and omit the object files, it is simpler to just do this in the source for each such file. */ #define GETOPT_INTERFACE_VERSION 2 #if !defined _LIBC && defined __GLIBC__ && __GLIBC__ >= 2 # include # if _GNU_GETOPT_INTERFACE_VERSION == GETOPT_INTERFACE_VERSION # define ELIDE_CODE # endif #endif #ifndef ELIDE_CODE /* This needs to come after some library #include to get __GNU_LIBRARY__ defined. */ #ifdef __GNU_LIBRARY__ /* Don't include stdlib.h for non-GNU C libraries because some of them contain conflicting prototypes for getopt. */ # include # include #endif /* GNU C library. */ #ifdef VMS # include # if HAVE_STRING_H - 0 # include # endif #endif #ifndef _ /* This is for other GNU distributions with internationalized messages. When compiling libc, the _ macro is predefined. */ # if (HAVE_LIBINTL_H && ENABLE_NLS) || defined _LIBC # include # define _(msgid) gettext (msgid) # else # define _(msgid) (msgid) # endif #endif /* This version of `getopt' appears to the caller like standard Unix `getopt' but it behaves differently for the user, since it allows the user to intersperse the options with the other arguments. As `getopt' works, it permutes the elements of ARGV so that, when it is done, all the options precede everything else. Thus all application programs are extended to handle flexible argument order. Setting the environment variable POSIXLY_CORRECT disables permutation. Then the behavior is completely standard. GNU application programs can use a third alternative mode in which they can distinguish the relative order of options and other arguments. */ #include "getopt.h" /* For communication from `getopt' to the caller. When `getopt' finds an option that takes an argument, the argument value is returned here. Also, when `ordering' is RETURN_IN_ORDER, each non-option ARGV-element is returned here. */ char *optarg = NULL; /* Index in ARGV of the next element to be scanned. This is used for communication to and from the caller and for communication between successive calls to `getopt'. On entry to `getopt', zero means this is the first call; initialize. When `getopt' returns -1, this is the index of the first of the non-option elements that the caller should itself scan. Otherwise, `optind' communicates from one call to the next how much of ARGV has been scanned so far. */ /* 1003.2 says this must be 1 before any call. */ int optind = 1; /* Formerly, initialization of getopt depended on optind==0, which causes problems with re-calling getopt as programs generally don't know that. */ int __getopt_initialized = 0; /* The next char to be scanned in the option-element in which the last option character we returned was found. This allows us to pick up the scan where we left off. If this is zero, or a null string, it means resume the scan by advancing to the next ARGV-element. */ static char *nextchar; /* Callers store zero here to inhibit the error message for unrecognized options. */ int opterr = 1; /* Set to an option character which was unrecognized. This must be initialized on some systems to avoid linking in the system's own getopt implementation. */ int optopt = '?'; /* Describe how to deal with options that follow non-option ARGV-elements. If the caller did not specify anything, the default is REQUIRE_ORDER if the environment variable POSIXLY_CORRECT is defined, PERMUTE otherwise. REQUIRE_ORDER means don't recognize them as options; stop option processing when the first non-option is seen. This is what Unix does. This mode of operation is selected by either setting the environment variable POSIXLY_CORRECT, or using `+' as the first character of the list of option characters. PERMUTE is the default. We permute the contents of ARGV as we scan, so that eventually all the non-options are at the end. This allows options to be given in any order, even with programs that were not written to expect this. RETURN_IN_ORDER is an option available to programs that were written to expect options and other ARGV-elements in any order and that care about the ordering of the two. We describe each non-option ARGV-element as if it were the argument of an option with character code 1. Using `-' as the first character of the list of option characters selects this mode of operation. The special argument `--' forces an end of option-scanning regardless of the value of `ordering'. In the case of RETURN_IN_ORDER, only `--' can cause `getopt' to return -1 with `optind' != ARGC. */ static enum { REQUIRE_ORDER, PERMUTE, RETURN_IN_ORDER } ordering; /* Value of POSIXLY_CORRECT environment variable. */ static char *posixly_correct; #ifdef __GNU_LIBRARY__ /* We want to avoid inclusion of string.h with non-GNU libraries because there are many ways it can cause trouble. On some systems, it contains special magic macros that don't work in GCC. */ # include # define my_index strchr #else # if HAVE_STRING_H # include # else # if HAVE_STRINGS_H # include # endif # endif /* Avoid depending on library functions or files whose names are inconsistent. */ #ifndef getenv extern char *getenv (); #endif static char * my_index (str, chr) const char *str; int chr; { while (*str) { if (*str == chr) return (char *) str; str++; } return 0; } /* If using GCC, we can safely declare strlen this way. If not using GCC, it is ok not to declare it. */ #ifdef __GNUC__ /* Note that Motorola Delta 68k R3V7 comes with GCC but not stddef.h. That was relevant to code that was here before. */ # if (!defined __STDC__ || !__STDC__) && !defined strlen /* gcc with -traditional declares the built-in strlen to return int, and has done so at least since version 2.4.5. -- rms. */ extern int strlen (const char *); # endif /* not __STDC__ */ #endif /* __GNUC__ */ #endif /* not __GNU_LIBRARY__ */ /* Handle permutation of arguments. */ /* Describe the part of ARGV that contains non-options that have been skipped. `first_nonopt' is the index in ARGV of the first of them; `last_nonopt' is the index after the last of them. */ static int first_nonopt; static int last_nonopt; #ifdef _LIBC /* Bash 2.0 gives us an environment variable containing flags indicating ARGV elements that should not be considered arguments. */ /* Defined in getopt_init.c */ extern char *__getopt_nonoption_flags; static int nonoption_flags_max_len; static int nonoption_flags_len; static int original_argc; static char *const *original_argv; /* Make sure the environment variable bash 2.0 puts in the environment is valid for the getopt call we must make sure that the ARGV passed to getopt is that one passed to the process. */ static void __attribute__ ((unused)) store_args_and_env (int argc, char *const *argv) { /* XXX This is no good solution. We should rather copy the args so that we can compare them later. But we must not use malloc(3). */ original_argc = argc; original_argv = argv; } # ifdef text_set_element text_set_element (__libc_subinit, store_args_and_env); # endif /* text_set_element */ # define SWAP_FLAGS(ch1, ch2) \ if (nonoption_flags_len > 0) \ { \ char __tmp = __getopt_nonoption_flags[ch1]; \ __getopt_nonoption_flags[ch1] = __getopt_nonoption_flags[ch2]; \ __getopt_nonoption_flags[ch2] = __tmp; \ } #else /* !_LIBC */ # define SWAP_FLAGS(ch1, ch2) #endif /* _LIBC */ /* Exchange two adjacent subsequences of ARGV. One subsequence is elements [first_nonopt,last_nonopt) which contains all the non-options that have been skipped so far. The other is elements [last_nonopt,optind), which contains all the options processed since those non-options were skipped. `first_nonopt' and `last_nonopt' are relocated so that they describe the new indices of the non-options in ARGV after they are moved. */ #if defined __STDC__ && __STDC__ static void exchange (char **); #endif static void exchange (argv) char **argv; { int bottom = first_nonopt; int middle = last_nonopt; int top = optind; char *tem; /* Exchange the shorter segment with the far end of the longer segment. That puts the shorter segment into the right place. It leaves the longer segment in the right place overall, but it consists of two parts that need to be swapped next. */ #ifdef _LIBC /* First make sure the handling of the `__getopt_nonoption_flags' string can work normally. Our top argument must be in the range of the string. */ if (nonoption_flags_len > 0 && top >= nonoption_flags_max_len) { /* We must extend the array. The user plays games with us and presents new arguments. */ char *new_str = malloc (top + 1); if (new_str == NULL) nonoption_flags_len = nonoption_flags_max_len = 0; else { memset (mempcpy (new_str, __getopt_nonoption_flags, nonoption_flags_max_len), '\0', top + 1 - nonoption_flags_max_len); nonoption_flags_max_len = top + 1; __getopt_nonoption_flags = new_str; } } #endif while (top > middle && middle > bottom) { if (top - middle > middle - bottom) { /* Bottom segment is the short one. */ int len = middle - bottom; register int i; /* Swap it with the top part of the top segment. */ for (i = 0; i < len; i++) { tem = argv[bottom + i]; argv[bottom + i] = argv[top - (middle - bottom) + i]; argv[top - (middle - bottom) + i] = tem; SWAP_FLAGS (bottom + i, top - (middle - bottom) + i); } /* Exclude the moved bottom segment from further swapping. */ top -= len; } else { /* Top segment is the short one. */ int len = top - middle; register int i; /* Swap it with the bottom part of the bottom segment. */ for (i = 0; i < len; i++) { tem = argv[bottom + i]; argv[bottom + i] = argv[middle + i]; argv[middle + i] = tem; SWAP_FLAGS (bottom + i, middle + i); } /* Exclude the moved top segment from further swapping. */ bottom += len; } } /* Update records for the slots the non-options now occupy. */ first_nonopt += (optind - last_nonopt); last_nonopt = optind; } /* Initialize the internal data when the first call is made. */ #if defined __STDC__ && __STDC__ static const char *_getopt_initialize (int, char *const *, const char *); #endif static const char * _getopt_initialize (argc, argv, optstring) int argc; char *const *argv; const char *optstring; { /* Start processing options with ARGV-element 1 (since ARGV-element 0 is the program name); the sequence of previously skipped non-option ARGV-elements is empty. */ first_nonopt = last_nonopt = optind; nextchar = NULL; posixly_correct = getenv ("POSIXLY_CORRECT"); /* Determine how to handle the ordering of options and nonoptions. */ if (optstring[0] == '-') { ordering = RETURN_IN_ORDER; ++optstring; } else if (optstring[0] == '+') { ordering = REQUIRE_ORDER; ++optstring; } else if (posixly_correct != NULL) ordering = REQUIRE_ORDER; else ordering = PERMUTE; #ifdef _LIBC if (posixly_correct == NULL && argc == original_argc && argv == original_argv) { if (nonoption_flags_max_len == 0) { if (__getopt_nonoption_flags == NULL || __getopt_nonoption_flags[0] == '\0') nonoption_flags_max_len = -1; else { const char *orig_str = __getopt_nonoption_flags; int len = nonoption_flags_max_len = strlen (orig_str); if (nonoption_flags_max_len < argc) nonoption_flags_max_len = argc; __getopt_nonoption_flags = (char *) malloc (nonoption_flags_max_len); if (__getopt_nonoption_flags == NULL) nonoption_flags_max_len = -1; else memset (mempcpy (__getopt_nonoption_flags, orig_str, len), '\0', nonoption_flags_max_len - len); } } nonoption_flags_len = nonoption_flags_max_len; } else nonoption_flags_len = 0; #endif return optstring; } /* Scan elements of ARGV (whose length is ARGC) for option characters given in OPTSTRING. If an element of ARGV starts with '-', and is not exactly "-" or "--", then it is an option element. The characters of this element (aside from the initial '-') are option characters. If `getopt' is called repeatedly, it returns successively each of the option characters from each of the option elements. If `getopt' finds another option character, it returns that character, updating `optind' and `nextchar' so that the next call to `getopt' can resume the scan with the following option character or ARGV-element. If there are no more option characters, `getopt' returns -1. Then `optind' is the index in ARGV of the first ARGV-element that is not an option. (The ARGV-elements have been permuted so that those that are not options now come last.) OPTSTRING is a string containing the legitimate option characters. If an option character is seen that is not listed in OPTSTRING, return '?' after printing an error message. If you set `opterr' to zero, the error message is suppressed but we still return '?'. If a char in OPTSTRING is followed by a colon, that means it wants an arg, so the following text in the same ARGV-element, or the text of the following ARGV-element, is returned in `optarg'. Two colons mean an option that wants an optional arg; if there is text in the current ARGV-element, it is returned in `optarg', otherwise `optarg' is set to zero. If OPTSTRING starts with `-' or `+', it requests different methods of handling the non-option ARGV-elements. See the comments about RETURN_IN_ORDER and REQUIRE_ORDER, above. Long-named options begin with `--' instead of `-'. Their names may be abbreviated as long as the abbreviation is unique or is an exact match for some defined option. If they have an argument, it follows the option name in the same ARGV-element, separated from the option name by a `=', or else the in next ARGV-element. When `getopt' finds a long-named option, it returns 0 if that option's `flag' field is nonzero, the value of the option's `val' field if the `flag' field is zero. The elements of ARGV aren't really const, because we permute them. But we pretend they're const in the prototype to be compatible with other systems. LONGOPTS is a vector of `struct option' terminated by an element containing a name which is zero. LONGIND returns the index in LONGOPT of the long-named option found. It is only valid when a long-named option has been found by the most recent call. If LONG_ONLY is nonzero, '-' as well as '--' can introduce long-named options. */ int _getopt_internal (argc, argv, optstring, longopts, longind, long_only) int argc; char *const *argv; const char *optstring; const struct option *longopts; int *longind; int long_only; { optarg = NULL; if (optind == 0 || !__getopt_initialized) { if (optind == 0) optind = 1; /* Don't scan ARGV[0], the program name. */ optstring = _getopt_initialize (argc, argv, optstring); __getopt_initialized = 1; } /* Test whether ARGV[optind] points to a non-option argument. Either it does not have option syntax, or there is an environment flag from the shell indicating it is not an option. The later information is only used when the used in the GNU libc. */ #ifdef _LIBC # define NONOPTION_P (argv[optind][0] != '-' || argv[optind][1] == '\0' \ || (optind < nonoption_flags_len \ && __getopt_nonoption_flags[optind] == '1')) #else # define NONOPTION_P (argv[optind][0] != '-' || argv[optind][1] == '\0') #endif if (nextchar == NULL || *nextchar == '\0') { /* Advance to the next ARGV-element. */ /* Give FIRST_NONOPT & LAST_NONOPT rational values if OPTIND has been moved back by the user (who may also have changed the arguments). */ if (last_nonopt > optind) last_nonopt = optind; if (first_nonopt > optind) first_nonopt = optind; if (ordering == PERMUTE) { /* If we have just processed some options following some non-options, exchange them so that the options come first. */ if (first_nonopt != last_nonopt && last_nonopt != optind) exchange ((char **) argv); else if (last_nonopt != optind) first_nonopt = optind; /* Skip any additional non-options and extend the range of non-options previously skipped. */ while (optind < argc && NONOPTION_P) optind++; last_nonopt = optind; } /* The special ARGV-element `--' means premature end of options. Skip it like a null option, then exchange with previous non-options as if it were an option, then skip everything else like a non-option. */ if (optind != argc && !strcmp (argv[optind], "--")) { optind++; if (first_nonopt != last_nonopt && last_nonopt != optind) exchange ((char **) argv); else if (first_nonopt == last_nonopt) first_nonopt = optind; last_nonopt = argc; optind = argc; } /* If we have done all the ARGV-elements, stop the scan and back over any non-options that we skipped and permuted. */ if (optind == argc) { /* Set the next-arg-index to point at the non-options that we previously skipped, so the caller will digest them. */ if (first_nonopt != last_nonopt) optind = first_nonopt; return -1; } /* If we have come to a non-option and did not permute it, either stop the scan or describe it to the caller and pass it by. */ if (NONOPTION_P) { if (ordering == REQUIRE_ORDER) return -1; optarg = argv[optind++]; return 1; } /* We have found another option-ARGV-element. Skip the initial punctuation. */ nextchar = (argv[optind] + 1 + (longopts != NULL && argv[optind][1] == '-')); } /* Decode the current option-ARGV-element. */ /* Check whether the ARGV-element is a long option. If long_only and the ARGV-element has the form "-f", where f is a valid short option, don't consider it an abbreviated form of a long option that starts with f. Otherwise there would be no way to give the -f short option. On the other hand, if there's a long option "fubar" and the ARGV-element is "-fu", do consider that an abbreviation of the long option, just like "--fu", and not "-f" with arg "u". This distinction seems to be the most useful approach. */ if (longopts != NULL && (argv[optind][1] == '-' || (long_only && (argv[optind][2] || !my_index (optstring, argv[optind][1]))))) { char *nameend; const struct option *p; const struct option *pfound = NULL; int exact = 0; int ambig = 0; int indfound = -1; int option_index; for (nameend = nextchar; *nameend && *nameend != '='; nameend++) /* Do nothing. */ ; /* Test all long options for either exact match or abbreviated matches. */ for (p = longopts, option_index = 0; p->name; p++, option_index++) if (!strncmp (p->name, nextchar, nameend - nextchar)) { if ((unsigned int) (nameend - nextchar) == (unsigned int) strlen (p->name)) { /* Exact match found. */ pfound = p; indfound = option_index; exact = 1; break; } else if (pfound == NULL) { /* First nonexact match found. */ pfound = p; indfound = option_index; } else /* Second or later nonexact match found. */ ambig = 1; } if (ambig && !exact) { if (opterr) fprintf (stderr, _("%s: option `%s' is ambiguous\n"), argv[0], argv[optind]); nextchar += strlen (nextchar); optind++; optopt = 0; return '?'; } if (pfound != NULL) { option_index = indfound; optind++; if (*nameend) { /* Don't test has_arg with >, because some C compilers don't allow it to be used on enums. */ if (pfound->has_arg) optarg = nameend + 1; else { if (opterr) { if (argv[optind - 1][1] == '-') /* --option */ fprintf (stderr, _("%s: option `--%s' doesn't allow an argument\n"), argv[0], pfound->name); else /* +option or -option */ fprintf (stderr, _("%s: option `%c%s' doesn't allow an argument\n"), argv[0], argv[optind - 1][0], pfound->name); nextchar += strlen (nextchar); optopt = pfound->val; return '?'; } } } else if (pfound->has_arg == 1) { if (optind < argc) optarg = argv[optind++]; else { if (opterr) fprintf (stderr, _("%s: option `%s' requires an argument\n"), argv[0], argv[optind - 1]); nextchar += strlen (nextchar); optopt = pfound->val; return optstring[0] == ':' ? ':' : '?'; } } nextchar += strlen (nextchar); if (longind != NULL) *longind = option_index; if (pfound->flag) { *(pfound->flag) = pfound->val; return 0; } return pfound->val; } /* Can't find it as a long option. If this is not getopt_long_only, or the option starts with '--' or is not a valid short option, then it's an error. Otherwise interpret it as a short option. */ if (!long_only || argv[optind][1] == '-' || my_index (optstring, *nextchar) == NULL) { if (opterr) { if (argv[optind][1] == '-') /* --option */ fprintf (stderr, _("%s: unrecognized option `--%s'\n"), argv[0], nextchar); else /* +option or -option */ fprintf (stderr, _("%s: unrecognized option `%c%s'\n"), argv[0], argv[optind][0], nextchar); } nextchar = (char *) ""; optind++; optopt = 0; return '?'; } } /* Look at and handle the next short option-character. */ { char c = *nextchar++; char *temp = my_index (optstring, c); /* Increment `optind' when we start to process its last character. */ if (*nextchar == '\0') ++optind; if (temp == NULL || c == ':') { if (opterr) { if (posixly_correct) /* 1003.2 specifies the format of this message. */ fprintf (stderr, _("%s: illegal option -- %c\n"), argv[0], c); else fprintf (stderr, _("%s: invalid option -- %c\n"), argv[0], c); } optopt = c; return '?'; } /* Convenience. Treat POSIX -W foo same as long option --foo */ if (temp[0] == 'W' && temp[1] == ';') { char *nameend; const struct option *p; const struct option *pfound = NULL; int exact = 0; int ambig = 0; int indfound = 0; int option_index; /* This is an option that requires an argument. */ if (*nextchar != '\0') { optarg = nextchar; /* If we end this ARGV-element by taking the rest as an arg, we must advance to the next element now. */ optind++; } else if (optind == argc) { if (opterr) { /* 1003.2 specifies the format of this message. */ fprintf (stderr, _("%s: option requires an argument -- %c\n"), argv[0], c); } optopt = c; if (optstring[0] == ':') c = ':'; else c = '?'; return c; } else /* We already incremented `optind' once; increment it again when taking next ARGV-elt as argument. */ optarg = argv[optind++]; /* optarg is now the argument, see if it's in the table of longopts. */ for (nextchar = nameend = optarg; *nameend && *nameend != '='; nameend++) /* Do nothing. */ ; /* Test all long options for either exact match or abbreviated matches. */ for (p = longopts, option_index = 0; p->name; p++, option_index++) if (!strncmp (p->name, nextchar, nameend - nextchar)) { if ((unsigned int) (nameend - nextchar) == strlen (p->name)) { /* Exact match found. */ pfound = p; indfound = option_index; exact = 1; break; } else if (pfound == NULL) { /* First nonexact match found. */ pfound = p; indfound = option_index; } else /* Second or later nonexact match found. */ ambig = 1; } if (ambig && !exact) { if (opterr) fprintf (stderr, _("%s: option `-W %s' is ambiguous\n"), argv[0], argv[optind]); nextchar += strlen (nextchar); optind++; return '?'; } if (pfound != NULL) { option_index = indfound; if (*nameend) { /* Don't test has_arg with >, because some C compilers don't allow it to be used on enums. */ if (pfound->has_arg) optarg = nameend + 1; else { if (opterr) fprintf (stderr, _("\ %s: option `-W %s' doesn't allow an argument\n"), argv[0], pfound->name); nextchar += strlen (nextchar); return '?'; } } else if (pfound->has_arg == 1) { if (optind < argc) optarg = argv[optind++]; else { if (opterr) fprintf (stderr, _("%s: option `%s' requires an argument\n"), argv[0], argv[optind - 1]); nextchar += strlen (nextchar); return optstring[0] == ':' ? ':' : '?'; } } nextchar += strlen (nextchar); if (longind != NULL) *longind = option_index; if (pfound->flag) { *(pfound->flag) = pfound->val; return 0; } return pfound->val; } nextchar = NULL; return 'W'; /* Let the application handle it. */ } if (temp[1] == ':') { if (temp[2] == ':') { /* This is an option that accepts an argument optionally. */ if (*nextchar != '\0') { optarg = nextchar; optind++; } else optarg = NULL; nextchar = NULL; } else { /* This is an option that requires an argument. */ if (*nextchar != '\0') { optarg = nextchar; /* If we end this ARGV-element by taking the rest as an arg, we must advance to the next element now. */ optind++; } else if (optind == argc) { if (opterr) { /* 1003.2 specifies the format of this message. */ fprintf (stderr, _("%s: option requires an argument -- %c\n"), argv[0], c); } optopt = c; if (optstring[0] == ':') c = ':'; else c = '?'; } else /* We already incremented `optind' once; increment it again when taking next ARGV-elt as argument. */ optarg = argv[optind++]; nextchar = NULL; } } return c; } } int getopt (argc, argv, optstring) int argc; char *const *argv; const char *optstring; { return _getopt_internal (argc, argv, optstring, (const struct option *) 0, (int *) 0, 0); } #endif /* Not ELIDE_CODE. */ #ifdef TEST /* Compile with -DTEST to make an executable for use in testing the above definition of `getopt'. */ int main (argc, argv) int argc; char **argv; { int c; int digit_optind = 0; while (1) { int this_option_optind = optind ? optind : 1; c = getopt (argc, argv, "abc:d:0123456789"); if (c == -1) break; switch (c) { case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': if (digit_optind != 0 && digit_optind != this_option_optind) printf ("digits occur in two different argv-elements.\n"); digit_optind = this_option_optind; printf ("option %c\n", c); break; case 'a': printf ("option a\n"); break; case 'b': printf ("option b\n"); break; case 'c': printf ("option c with value `%s'\n", optarg); break; case '?': break; default: printf ("?? getopt returned character code 0%o ??\n", c); } } if (optind < argc) { printf ("non-option ARGV-elements: "); while (optind < argc) printf ("%s ", argv[optind++]); printf ("\n"); } exit (0); } #endif /* TEST */ doscan-0.3.3/lib/getopt.h0000644000175000017500000001167412421722573013035 0ustar fwfw/* Declarations for getopt. Copyright 1989, 1990, 1991, 1992, 1993, 1994, 1996, 1997, 1998, 2000, 2002 Free Software Foundation, Inc. NOTE: The canonical source of this file is maintained with the GNU C Library. Bugs can be reported to bug-glibc@gnu.org. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifndef _GETOPT_H #define _GETOPT_H 1 #ifdef __cplusplus extern "C" { #endif /* For communication from `getopt' to the caller. When `getopt' finds an option that takes an argument, the argument value is returned here. Also, when `ordering' is RETURN_IN_ORDER, each non-option ARGV-element is returned here. */ extern char *optarg; /* Index in ARGV of the next element to be scanned. This is used for communication to and from the caller and for communication between successive calls to `getopt'. On entry to `getopt', zero means this is the first call; initialize. When `getopt' returns -1, this is the index of the first of the non-option elements that the caller should itself scan. Otherwise, `optind' communicates from one call to the next how much of ARGV has been scanned so far. */ extern int optind; /* Callers store zero here to inhibit the error message `getopt' prints for unrecognized options. */ extern int opterr; /* Set to an option character which was unrecognized. */ extern int optopt; /* Describe the long-named options requested by the application. The LONG_OPTIONS argument to getopt_long or getopt_long_only is a vector of `struct option' terminated by an element containing a name which is zero. The field `has_arg' is: no_argument (or 0) if the option does not take an argument, required_argument (or 1) if the option requires an argument, optional_argument (or 2) if the option takes an optional argument. If the field `flag' is not NULL, it points to a variable that is set to the value given in the field `val' when the option is found, but left unchanged if the option is not found. To have a long-named option do something other than set an `int' to a compiled-in constant, such as set a value from `optarg', set the option's `flag' field to zero and its `val' field to a nonzero value (the equivalent single-letter option character, if there is one). For long options that have a zero `flag' field, `getopt' returns the contents of the `val' field. */ struct option { #if defined (__STDC__) && __STDC__ const char *name; #else char *name; #endif /* has_arg can't be an enum because some compilers complain about type mismatches in all the code that assumes it is an int. */ int has_arg; int *flag; int val; }; /* Names for the values of the `has_arg' field of `struct option'. */ #define no_argument 0 #define required_argument 1 #define optional_argument 2 #if defined (__STDC__) && __STDC__ /* HAVE_DECL_* is a three-state macro: undefined, 0 or 1. If it is undefined, we haven't run the autoconf check so provide the declaration without arguments. If it is 0, we checked and failed to find the declaration so provide a fully prototyped one. If it is 1, we found it so don't provide any declaration at all. */ #if !HAVE_DECL_GETOPT #if defined (__GNU_LIBRARY__) || defined (HAVE_DECL_GETOPT) /* Many other libraries have conflicting prototypes for getopt, with differences in the consts, in unistd.h. To avoid compilation errors, only prototype getopt for the GNU C library. */ extern int getopt (int argc, char *const *argv, const char *shortopts); #else #ifndef __cplusplus extern int getopt (); #endif /* __cplusplus */ #endif #endif /* !HAVE_DECL_GETOPT */ extern int getopt_long (int argc, char *const *argv, const char *shortopts, const struct option *longopts, int *longind); extern int getopt_long_only (int argc, char *const *argv, const char *shortopts, const struct option *longopts, int *longind); /* Internal only. Users should not call this directly. */ extern int _getopt_internal (int argc, char *const *argv, const char *shortopts, const struct option *longopts, int *longind, int long_only); #else /* not __STDC__ */ extern int getopt (); extern int getopt_long (); extern int getopt_long_only (); extern int _getopt_internal (); #endif /* __STDC__ */ #ifdef __cplusplus } #endif #endif /* getopt.h */ doscan-0.3.3/lib/getopt1.c0000644000175000017500000001065012421722573013102 0ustar fwfw/* getopt_long and getopt_long_only entry points for GNU getopt. Copyright (C) 1987,88,89,90,91,92,93,94,96,97,98 Free Software Foundation, Inc. NOTE: This source is derived from an old version taken from the GNU C Library (glibc). This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifdef HAVE_CONFIG_H #include #endif #include "getopt.h" #if !defined __STDC__ || !__STDC__ /* This is a separate conditional since some stdc systems reject `defined (const)'. */ #ifndef const #define const #endif #endif #include /* Comment out all this code if we are using the GNU C Library, and are not actually compiling the library itself. This code is part of the GNU C Library, but also included in many other GNU distributions. Compiling and linking in this code is a waste when using the GNU C library (especially if it is a shared library). Rather than having every GNU program understand `configure --with-gnu-libc' and omit the object files, it is simpler to just do this in the source for each such file. */ #define GETOPT_INTERFACE_VERSION 2 #if !defined _LIBC && defined __GLIBC__ && __GLIBC__ >= 2 #include #if _GNU_GETOPT_INTERFACE_VERSION == GETOPT_INTERFACE_VERSION #define ELIDE_CODE #endif #endif #ifndef ELIDE_CODE /* This needs to come after some library #include to get __GNU_LIBRARY__ defined. */ #ifdef __GNU_LIBRARY__ #include #endif #ifndef NULL #define NULL 0 #endif int getopt_long (argc, argv, options, long_options, opt_index) int argc; char *const *argv; const char *options; const struct option *long_options; int *opt_index; { return _getopt_internal (argc, argv, options, long_options, opt_index, 0); } /* Like getopt_long, but '-' as well as '--' can indicate a long option. If an option that starts with '-' (not '--') doesn't match a long option, but does match a short option, it is parsed as a short option instead. */ int getopt_long_only (argc, argv, options, long_options, opt_index) int argc; char *const *argv; const char *options; const struct option *long_options; int *opt_index; { return _getopt_internal (argc, argv, options, long_options, opt_index, 1); } #endif /* Not ELIDE_CODE. */ #ifdef TEST #include int main (argc, argv) int argc; char **argv; { int c; int digit_optind = 0; while (1) { int this_option_optind = optind ? optind : 1; int option_index = 0; static struct option long_options[] = { {"add", 1, 0, 0}, {"append", 0, 0, 0}, {"delete", 1, 0, 0}, {"verbose", 0, 0, 0}, {"create", 0, 0, 0}, {"file", 1, 0, 0}, {0, 0, 0, 0} }; c = getopt_long (argc, argv, "abc:d:0123456789", long_options, &option_index); if (c == -1) break; switch (c) { case 0: printf ("option %s", long_options[option_index].name); if (optarg) printf (" with arg %s", optarg); printf ("\n"); break; case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': if (digit_optind != 0 && digit_optind != this_option_optind) printf ("digits occur in two different argv-elements.\n"); digit_optind = this_option_optind; printf ("option %c\n", c); break; case 'a': printf ("option a\n"); break; case 'b': printf ("option b\n"); break; case 'c': printf ("option c with value `%s'\n", optarg); break; case 'd': printf ("option d with value `%s'\n", optarg); break; case '?': break; default: printf ("?? getopt returned character code 0%o ??\n", c); } } if (optind < argc) { printf ("non-option ARGV-elements: "); while (optind < argc) printf ("%s ", argv[optind++]); printf ("\n"); } exit (0); } #endif /* TEST */ doscan-0.3.3/src/0000755000175000017500000000000012422725647011400 5ustar fwfwdoscan-0.3.3/src/doscan.cc0000644000175000017500000001670012422007635013150 0ustar fwfw/* doscan - Denial Of Service Capable Auditing of Networks * Copyright (C) 2003 Florian Weimer * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include "config.h" #include "ipv4.h" #include "opt.h" #include "proto.h" #include "results.h" #include "scan.h" #include "subnets.h" #include "ticks.h" #include "getopt.h" #include #include #include static void version (void); static void help (); int main (int argc, char **argv) { int c; subnets nets; bool needs_shuffle = false; opt_program = argv[0]; ticks_init (); proto_register_all (); while (1) { static struct option long_options[] = { {"add-burst", required_argument, 0, 'A'}, {"add-timeout", required_argument, 0, 'a'}, {"banner", required_argument, 0, 'b'}, {"connections", required_argument, 0, 'c'}, {"help", no_argument, 0, 'h'}, {"file", required_argument, 0, 'f'}, {"indicator", no_argument, 0, 'i'}, {"net-errors", no_argument, 0, 'n'}, {"no-epoll", no_argument, 0, 'E'}, {"output", required_argument, 0, 'o'}, {"port", required_argument, 0, 'p'}, {"protocol", required_argument, 0, 'P'}, {"receive", required_argument, 0, 'r'}, {"send", required_argument, 0, 's'}, {"style", required_argument, 0, 'S'}, {"timeout", required_argument, 0, 't'}, {"verbose", no_argument, 0, 'v'}, {"version", no_argument, 0, 'V'}, {0, 0, 0, 0} }; int option_index = 0; c = getopt_long (argc, argv, "a:A:b:c:Ehino:p:P:r:s:S:t:vV", long_options, &option_index); if (c == -1) break; switch (c) { case 'a': if ((sscanf (optarg, "%u", &opt_add_timeout) != 1) || (opt_add_timeout == 0)) { fprintf (stderr, "%s: illegal add timeout '%s'\n", opt_program, optarg); exit(EXIT_FAILURE); } break; case 'A': if ((sscanf (optarg, "%u", &opt_add_burst) != 1) || (opt_add_burst == 0)) { fprintf (stderr, "%s: illegal add burst '%s'\n", opt_program, optarg); exit(EXIT_FAILURE); } break; case 'b': if (sscanf (optarg, "%u", &opt_banner_size) != 1) { fprintf (stderr, "%s: illegal banner size '%s'\n", opt_program, optarg); exit(EXIT_FAILURE); } break; case 'c': if ((sscanf (optarg, "%u", &opt_fd_count) != 1) || (opt_fd_count == 0)) { fprintf (stderr, "%s: illegal file descriptor count '%s'\n", opt_program, optarg); exit(EXIT_FAILURE); } break; case 'E': opt_no_epoll = 1; break; case 'h': help (); exit (EXIT_SUCCESS); break; case 'f': nets.add_file(optarg); // We might have read lots of small prefixes from the file, so // better randomize them. needs_shuffle = true; break; case 'i': opt_indicator = 1; break; case 'n': opt_net_errors = 1; break; case 'o': opt_output = optarg; break; case 'p': if ((sscanf (optarg, "%u", &opt_port) != 1) || (opt_port == 0) || (opt_port > 65535)) { fprintf (stderr, "%s: illegal port '%s'\n", opt_program, optarg); exit(EXIT_FAILURE); } break; case 'P': opt_protocol = optarg; break; case 'r': opt_receive = optarg; break; case 's': opt_send = optarg; break; case 'S': opt_output_style = optarg; break; case 't': if ((sscanf (optarg, "%u", &opt_connect_timeout) != 1) || (opt_connect_timeout == 0)) { fprintf (stderr, "%s: illegal connect timeout '%s'\n", opt_program, optarg); exit(EXIT_FAILURE); } /* Sets all timeouts. */ opt_read_timeout = opt_connect_timeout; opt_write_timeout = opt_connect_timeout; break; case 'v': opt_verbose = 1; break; case 'V': version(); exit (EXIT_SUCCESS); break; case '?': /* command line parsing error */ fprintf (stderr, "%s: invoke with --help to see all available options\n", opt_program); exit (EXIT_FAILURE); default: abort (); } } proto_select (opt_protocol); results_style (opt_output_style); results_format (opt_output); if (opt_port == 0) { fprintf (stderr, "%s: mandatory --port argument is missing\n", opt_program); exit (EXIT_FAILURE); } nets.add(argv + optind, argc - optind); if (needs_shuffle) { nets.shuffle(); } scan(nets); results_print(); return EXIT_SUCCESS; } static void version (void) { puts (PACKAGE_NAME " " PACKAGE_VERSION); puts ("Copyright (C) 2003, 2004, 2005 Florian Weimer.\n"); puts ("This is free software; see the source for copying conditions. There is NO"); puts ("warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."); } static void help (void) { printf ("Usage: %s [OPTION]... {--port | -p} PORT [PREFIX]...\n", opt_program); puts ("Scan PREFIX for TCP services on port PORT and record responses.\n"); puts ("Mandatory arguments to long options are mandatory " "for short options too."); puts (" -a, --add-timeout=TIMEOUT add new connections every TIMEOUT milliseconds"); puts (" -A, --add-burst=COUNT add COUNT connections at once"); puts (" -b, --banner=COUNT read at most COUNT bytes from host"); puts (" -c, --connections=COUNT open COUNT parallel connections"); puts (" -E, --no-epoll do not use epoll even if available"); puts (" -f, --file FILE read network prefixes from FILE"); puts (" -i, --indicator show progress indicator"); puts (" -n, --net-errors do not suppress network errors in report"); puts (" -o, --output=FORMAT change output format (see manual page)"); puts (" -p, --port=PORT connect to PORT on remote hosts"); puts (" -P, --protocol=PROTOCOL select protocol module PROTOCOL"); puts (" -r, --receive=REGEXP match received data using REGEXP"); puts (" -s, --send=STRING send STRING to remote host"); puts (" -S, --style=STRING set output option to STRING"); puts (" -t, --timeout=TIMEOUT set read and connect timeout"); puts (" -v, --verbose turn on verbose mode\n"); puts (" -h, --help display this help message and exit"); puts (" -V, --version output version information and exit"); puts ("\nAll options besides -p/--port are optional."); puts ("\nTIMEOUT is measured in milliseconds. REGEXP is a Perl-compatible regular"); puts ("expression. STRING is a string in C syntax (with escapes for binary"); puts ("characters"); puts ("\nReport bugs to ."); } doscan-0.3.3/src/engine_tcp.cc0000644000175000017500000002544112422010220013776 0ustar fwfw/* doscan - Denial Of Service Capable Auditing of Networks * Copyright (C) 2003 Florian Weimer * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include "config.h" #include "engine_tcp.h" #include "opt.h" #include "results.h" #include "scan.h" #include #include #include #include #include #include #include #include #include static void post_connect (scan_host_t *); /* Initializes poll->fd and error fields. */ static void post_receive (struct scan_host_t *s, char *buffer, unsigned size, engine_tcp_receive_callback_t completion, scan_callback_t scan_callback); /* Post a receive request, with flexible callback. */ static void cb_connect (scan_host_t *); static void cb_send (scan_host_t *); static void cb_receive (scan_host_t *); static void cb_receive_packet (scan_host_t *); static void cb_close (scan_host_t *); static void free_buffer (scan_host_t *); void engine_tcp_open (struct scan_host_t *s, engine_tcp_callback_t completion_callback, engine_tcp_callback_t close_callback) { engine_tcp_t *e = static_cast(s->state); if (s->poll->fd != -1) { close(s->poll->fd); } /* Initialize engine structure. */ e->buffer = 0; e->size = 0; e->offset = 0; e->regexp = 0; e->copy = static_cast(0); e->completion_callback = completion_callback; e->close_callback = close_callback; e->connect_time = ticks_get_cached (); post_connect (s); if (s->poll->fd == -1) { return; } s->timeout = ticks_get_cached () + opt_connect_timeout; s->close_callback = cb_close; s->io_callback = cb_connect; } void engine_tcp_send (struct scan_host_t *s, const char *buffer, unsigned size, engine_tcp_copy_t copy, engine_tcp_callback_t completion) { engine_tcp_t *e = static_cast(s->state); /* Make a copy of the buffer if necessary. */ e->copy = copy; e->offset = 0; switch (copy) { case ENGINE_TCP_MAKE_COPY: e->buffer = new char[size]; memcpy (e->buffer, buffer, size); break; case ENGINE_TCP_NO_COPY: case ENGINE_TCP_NO_COPY_AND_FREE: e->buffer = (char *)buffer; break; default: abort (); } e->size = size; s->poll->events = POLLOUT; e->completion_callback = completion; s->io_callback = cb_send; s->timeout = ticks_get_cached () + opt_write_timeout; } void engine_tcp_receive (struct scan_host_t *s, char *buffer, unsigned size, engine_tcp_receive_callback_t completion) { post_receive (s, buffer, size, completion, cb_receive); } void engine_tcp_receive_until_match (struct scan_host_t *s, pcre *regexp, char *buffer, unsigned size, engine_tcp_receive_callback_t completion) { engine_tcp_t *e = static_cast(s->state); engine_tcp_receive (s, buffer, size, completion); e->regexp = regexp; } void engine_tcp_receive_packet (struct scan_host_t *s, unsigned size, engine_tcp_receive_callback_t completion) { engine_tcp_t *e = static_cast(s->state); e->buffer = 0; e->size = size; e->offset = 0; e->regexp = 0; e->copy = static_cast(0); s->poll->events = POLLIN; e->completion_callback = 0; e->receive_callback = completion; s->io_callback = cb_receive_packet; s->timeout = ticks_get_cached () + opt_read_timeout; } ticks_t engine_tcp_connect_time (struct scan_host_t *s) { engine_tcp_t *e = static_cast(s->state); return e->connect_time; } void engine_tcp_close (struct scan_host_t *s) { free_buffer (s); s->io_callback = 0; s->timeout = 0; } /* Internal functions (mostly callbacks for proto_tcp.c) */ static void post_connect (scan_host_t *s) { int sockfd, flags; struct sockaddr_in sa; s->poll->fd = -1; sockfd = socket (PF_INET, SOCK_STREAM, 0); if (sockfd == -1) { int err = errno; ipv4_string_t a; /* If we encounter an error at this point, it is not actually network-related, so we bail out immediately. */ ipv4_address_to_string (s->host, a); fprintf (stderr, "%s: could not create socket for %s, error was: %s\n", opt_program, a, strerror (err)); fprintf (stderr, "%s: try the '--connections' option with a smaller value\n", opt_program); exit (EXIT_FAILURE); } /* Make socket non-blocking. */ flags = fcntl (sockfd, F_GETFL, 0); if (fcntl (sockfd, F_SETFL, flags | O_NONBLOCK) == -1) { int err = errno; ipv4_string_t a; /* Again, this error is not network-related. */ ipv4_address_to_string (s->host, a); fprintf (stderr, "%s: could not set non-blocking mode for %s, error was: %s\n", opt_program, a, strerror (err)); exit (EXIT_FAILURE); } memset (&sa, 0, sizeof (sa)); sa.sin_family = AF_INET; sa.sin_port = htons (opt_port); sa.sin_addr.s_addr = htonl (s->host); if (connect (sockfd, (struct sockaddr *)&sa, sizeof (sa)) == -1) { int err = errno; if (err != EINPROGRESS) { close (sockfd); if (opt_net_errors) { results_add (ticks_get_cached (), s->host, err, 0, 0); } return; } } s->poll->fd = sockfd; s->poll->events = POLLIN | POLLOUT; s->poll->revents = 0; } static void post_receive (struct scan_host_t *s, char *buffer, unsigned size, engine_tcp_receive_callback_t completion, scan_callback_t scan_callback) { engine_tcp_t *e = static_cast(s->state); if (buffer == 0) { e->copy = ENGINE_TCP_NO_COPY_AND_FREE; e->buffer = new char[size]; } else { e->copy = ENGINE_TCP_NO_COPY; e->buffer = buffer; } e->size = size; e->offset = 0; e->regexp = 0; s->poll->events = POLLIN; e->completion_callback = 0; e->receive_callback = completion; s->io_callback = scan_callback; s->timeout = ticks_get_cached () + opt_read_timeout; } static void cb_connect (scan_host_t *s) { engine_tcp_t *e = static_cast(s->state); /* Fetch error status in a portable way. We cannot depend on POLLERR because Solaris does not set it. */ int error = 0; socklen_t len = sizeof (error); errno = 0; if (getsockopt(s->poll->fd, SOL_SOCKET, SO_ERROR, &error, &len) >= 0) { /* non-Solaris case: error is overwritten with the error code, nothing to do. */ } else { /* Solaris case: errno has the error code. */ error = errno; } if (error) { if (opt_net_errors) { results_add (ticks_get_cached (), s->host, error, 0, 0); } s->io_callback = 0; s->timeout = 0; return; } e->connect_time = ticks_get_cached (); s->io_callback = 0; s->timeout = 0; e->completion_callback (s); } static void cb_send (scan_host_t *s) { engine_tcp_t *e = static_cast(s->state); int result; result = write (s->poll->fd, e->buffer + e->offset, e->size - e->offset); if (result == -1) { /* Log error and close. */ free_buffer (s); results_add (e->connect_time, s->host, errno, 0, 0); s->io_callback = 0; s->timeout = 0; return; } e->offset += result; if (e->offset == e->size) { /* Send operation complete. */ free_buffer (s); s->io_callback = 0; s->timeout = 0; e->completion_callback (s); } else { s->timeout = ticks_get_cached () + opt_write_timeout; } } static void cb_receive (scan_host_t *s) { engine_tcp_t *e = static_cast(s->state); int result; int match = 0; result = read (s->poll->fd, e->buffer + e->offset, e->size - e->offset); if (result == -1) { /* Log error and close. */ results_add (e->connect_time, s->host, errno, 0, 0); s->io_callback = 0; s->timeout = 0; free_buffer (s); return; } e->offset += result; if (e->regexp) { int rc = pcre_exec (e->regexp, 0, e->buffer, e->offset, 0, 0, 0, 0); if (rc < 0) { if (rc == PCRE_ERROR_NOMATCH) { match = 0; } else { fprintf (stderr, "%s: internal PCRE error after receive, " "rc %d is invalid", opt_program, rc); exit (EXIT_FAILURE); } } else { match = 1; } } /* Check for full buffer. */ if ((result == 0) || (e->offset == e->size)) { s->io_callback = 0; s->timeout = 0; if (e->regexp && !match) { /* Receive failed, returned data does not match. */ results_add (e->connect_time, s->host, RESULTS_ERROR_NOMATCH, e->buffer, e->offset); } else { e->receive_callback (s, e->buffer, e->offset); } free_buffer (s); return; } /* Check for match. */ if (match) { s->io_callback = 0; s->timeout = 0; e->receive_callback (s, e->buffer, e->offset); free_buffer (s); return; } /* Otherwise continue listening. */ s->timeout = ticks_get_cached () + opt_read_timeout; } static void cb_receive_packet (scan_host_t *s) { engine_tcp_t *e = static_cast(s->state); char buffer[e->size]; int result; result = read (s->poll->fd, buffer, e->size); if (result == -1) { /* Log error and close. */ results_add (e->connect_time, s->host, errno, 0, 0); s->io_callback = 0; s->timeout = 0; free_buffer (s); return; } s->io_callback = 0; s->timeout = 0; if (result == 0) { /* Peer closed the connection. */ results_add (e->connect_time, s->host, RESULTS_ERROR_NOMATCH, 0, 0); } else { e->receive_callback (s, buffer, result); } } static void cb_close (scan_host_t *s) { engine_tcp_t *e = static_cast(s->state); if (e->close_callback) { e->close_callback (s); } free_buffer (s); } static void free_buffer (scan_host_t *s) { engine_tcp_t *e = static_cast(s->state); switch (e->copy) { case 0: case ENGINE_TCP_NO_COPY: /* No free() necessary. */ break; case ENGINE_TCP_MAKE_COPY: case ENGINE_TCP_NO_COPY_AND_FREE: delete [] e->buffer; break; default: abort (); } e->copy = static_cast(0); e->buffer = 0; e->size = 0; e->offset = 0; } doscan-0.3.3/src/engine_tcp.h0000644000175000017500000000756612422007641013665 0ustar fwfw/* doscan - Denial Of Service Capable Auditing of Networks * Copyright (C) 2003 Florian Weimer * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef ENGINE_TCP_H #define ENGINE_TCP_H #include "ticks.h" #include struct scan_host_t; /* from scan.h */ /* These routines deal with transactions over half-duplex TCP connections. You can post read and write requests and get notified if they complete. */ typedef enum { ENGINE_TCP_MAKE_COPY = 1, /* make copy on call and free afterwards */ ENGINE_TCP_NO_COPY = 2, /* make no copy, and do not free (constant) */ ENGINE_TCP_NO_COPY_AND_FREE = 3 /* make no copy, but free after send */ } engine_tcp_copy_t; /* This flags control the behavior of the send routine below. */ typedef void (*engine_tcp_callback_t) (struct scan_host_t*); /* Callback on successful write completion, or on connection termination. (Both callbacks are different, but share the same interface.) */ typedef void (*engine_tcp_receive_callback_t) (struct scan_host_t*, const char *, unsigned); /* Callback on successful reception of data. */ typedef struct { char *buffer; unsigned size, offset; engine_tcp_copy_t copy; pcre *regexp; ticks_t connect_time; engine_tcp_callback_t completion_callback, close_callback; engine_tcp_receive_callback_t receive_callback; } engine_tcp_t; /* You must not modify this structure. It is internal. Instead, use the routines below. */ void engine_tcp_open (struct scan_host_t *, engine_tcp_callback_t, engine_tcp_callback_t); /* Initialize the host and engine structure. This routine assumes that the data member of the host structure already points to a memory chunk, with a engine_tcp_t object at the beginning. The first callback is called when the connection has been established succesfully. The second one is called when a connection is terminated. No callback is invoked if the connection attempt fails. */ void engine_tcp_send (struct scan_host_t *, const char *, unsigned, engine_tcp_copy_t, engine_tcp_callback_t); /* Post a send request. Memory is handled according to the COPY parameter. */ void engine_tcp_receive (struct scan_host_t *, char *, unsigned, engine_tcp_receive_callback_t); /* Post a receive request. If the specified buffer is null, a new one is allocated and automatically freed afterwards.*/ void engine_tcp_receive_until_match (struct scan_host_t *, pcre *, char *, unsigned, engine_tcp_receive_callback_t); /* Post a receive request, complete if buffer matches regexp. If the specified buffer is null, a new one is allocated and automatically freed afterwards. */ void engine_tcp_receive_packet (struct scan_host_t *, unsigned, engine_tcp_receive_callback_t); /* Post a receive request, and read as much as available (up to SIZE bytes). */ ticks_t engine_tcp_connect_time (struct scan_host_t *); /* Return the time the connection was established. */ void engine_tcp_close (struct scan_host_t *); /* Close a TCP connection. The close callback is invoked. */ #endif /* ENGINE_TCP_H */ doscan-0.3.3/src/event_queue.cc0000644000175000017500000000712112422007644014223 0ustar fwfw/* doscan - Denial Of Service Capable Auditing of Networks -*- C++ -*- * Copyright (C) 2003 Florian Weimer * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include "event_queue.h" #include #include // handler event_queue::handler::handler(event_queue& q) : m_queue(q), timeout(0) { timeout_ptr = m_queue.timeouts.insert(this); } event_queue::handler::~handler() { if (timeout_ptr != m_queue.timeouts.end()) { m_queue.timeouts.erase(timeout_ptr); timeout_ptr = m_queue.timeouts.end(); } } void event_queue::handler::set_absolute_timeout(ticks_t ticks) { if (timeout_ptr != m_queue.timeouts.end()) { m_queue.timeouts.erase(timeout_ptr); timeout_ptr = m_queue.timeouts.end(); } timeout = ticks; timeout_ptr = m_queue.timeouts.insert(this); } // fd_handler event_queue::fd_handler::fd_handler(event_queue& q, int fd, watch_options w) : handler(q), real_fd(fd) { if (fd >= 0) { m_queue.add_fd(this, w); } } event_queue::fd_handler::~fd_handler() { unwatch(); } void event_queue::fd_handler::watch(int fd, watch_options w) { if (real_fd >= 0) { if (real_fd != fd) { m_queue.remove_fd(this); real_fd = fd; m_queue.add_fd(this, w); } else { m_queue.update_fd(this, w); } } else { // real_fd == -1 (or negative) real_fd = fd; m_queue.add_fd(this, w); } } void event_queue::fd_handler::unwatch() { if (real_fd >= 0) { m_queue.remove_fd(this); real_fd = -1; } } // event_queue event_queue::event_queue() { } event_queue::~event_queue() { // Delete all remaining handlers. while (! timeouts.empty()) { delete *timeouts.begin(); } } void event_queue::dispatch_end() { // Handle expired timeouts, starting from the front of the priority // queue. for (;;) { timeouts_t::iterator p = timeouts.begin(); if (p == timeouts.end()) { break; } handler *ph = *p; if (ph->timeout > dispatch_start_ticks) { break; } // This moves the timeout towards the end of the priority queue, // or removes it altogether. In any case, we make progress. if (!ph->on_timeout(dispatch_start_ticks)) { delete ph; } } } int event_queue::next_timeout() { if (timeouts.empty()) { return -1; } unsigned timeout = (*timeouts.begin())->timeout; if (timeout == TICKS_LAST) { return -1; } ticks_t ticks = ticks_get(); if (timeout <= ticks) { return 0; } else { return timeout - ticks; } } void event_queue::remove_fd(fd_handler*) { // Dummy implementation to aid during destruction. } void event_queue::dump() { if (timeouts.empty()) { std::cerr << "No handlers installed." << std::cerr; } else { std::cerr << "Timeout handlers:" << std::endl; for (timeouts_t::iterator p = timeouts.begin(); p != timeouts.end(); ++p) { std::cerr << " " << (*p)->timeout << ": " << typeid(**p).name() << std::endl; } } } doscan-0.3.3/src/event_queue.h0000644000175000017500000001521112422007646014066 0ustar fwfw/* doscan - Denial Of Service Capable Auditing of Networks -*- C++ -*- * Copyright (C) 2003 Florian Weimer * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef EVENT_QUEUE_H #define EVENT_QUEUE_H #include "ticks.h" #include #include /* * event_queue * * An event_queue object handles file descriptor activity and * timeouts. Pure timeout handlers use event_queue::handler, handlers * for file descriptors use event_queue::fd_handler. For every file * descriptor, there is an associated timeout (and fd_handler derives * from handler). * * handler and fd_handler objects may only be created using operator * new. Memory they are automatically added to the corresponding * event queue, which is also responsible for freeing the handlers. * Destructors of handlers shall not perform any complicated activity * (such as adding new handlers). * * When you have create some handler objects, you may invoke * event_queue::run(). This will start the queue runner. run() will * return if there are no more active handlers. * * Explicit deallocation of handlers is not recommended. Handlers are * automatically deallocated when one of the on_*() member functions * returns false. To trigger deallocation, you can move the handler * to an application-specific final state and call set_timeout(0); the * on_timeout() member function detects this and returns false. For * fd_handler objects. you may also want to call unwatch(). * */ class event_queue { public: class handler; class fd_handler; private: struct handler_compare_timeout : public std::binary_function { bool operator()(const handler*, const handler*) const; }; typedef std::multiset timeouts_t; public: class handler { friend class event_queue; friend class handler_compare_timeout; handler(); // do not call handler(const handler&); // do not call handler& operator=(const handler&); // do not call protected: event_queue& m_queue; private: ticks_t timeout; timeouts_t::iterator timeout_ptr; bool compare_timeout(const handler& that) const; public: handler(event_queue&); virtual ~handler(); event_queue& queue() const; virtual bool on_timeout(ticks_t) = 0; // Returns true if the handler shall continue, otherwise it will // be deleted. The argument indicates the time when the timeout // occured (this might not be the current time). void set_absolute_timeout(ticks_t); void set_relative_timeout(ticks_t); void set_immediate_timeout(); void set_infinite_timeout(); }; class fd_handler : public handler { fd_handler(); // do not call fd_handler(const fd_handler&); // do not call fd_handler& operator=(const fd_handler&); // do not call int real_fd; bool compare_fd(const fd_handler& that) const; public: typedef enum { watch_read = 1, watch_write = 2, watch_read_write = 3 } watch_options; typedef enum { activity_read = 1, activity_write = 2, activity_read_write = 3, activity_error } activity; fd_handler(event_queue& q, int fd, watch_options); ~fd_handler(); int fd() const; // Returns the watched file descriptor. virtual bool on_activity(activity) = 0; // Returns true if the handler shall continue, otherwise it's // deleted. void watch(int fd, watch_options); void watch(watch_options); void unwatch(); // No longer watch fd. We still wait for the timeout. }; private: timeouts_t timeouts; // Saves the time at the start of a dispatching run. ticks_t dispatch_start_ticks; protected: // The following routines have to be overridden by decending // classes. They glue together the fd_handler activity and the I/O // multiplexing implementation. add_fd() adds a fresh handler, // update_fd() changes an existing handler, and remove_fd() removes // a handler. virtual void add_fd(fd_handler*, fd_handler::watch_options) = 0; virtual void update_fd(fd_handler*, fd_handler::watch_options) = 0; virtual void remove_fd(fd_handler*); // Before you can invoke fd_handler::on_activity(), you should use // this routine. It saves the current time so that we get a // consistent cut. void dispatch_start(); // Should be invoked after all calls to fd_handler::on_activity(). void dispatch_end(); // next_timeout() returns the next (relevative) timeout in // milliseconds, zero if an immediate timeout is required, and a // -1 for an infinite timeout. int next_timeout(); public: event_queue(); virtual ~event_queue(); virtual void run() = 0; // Creates an event queue that is optimized for this system. static event_queue* create(unsigned size_hint); // Prints the listeners to std::cerr. void dump(); }; // handler_compare_timeout inline bool event_queue::handler_compare_timeout::operator()(const handler* left, const handler* right) const { return left->timeout < right->timeout; } // handler inline bool event_queue::handler::compare_timeout(const event_queue::handler& that) const { return timeout < that.timeout; } inline event_queue& event_queue::handler::queue() const { return m_queue; } inline void event_queue::handler::set_relative_timeout(ticks_t ticks) { set_absolute_timeout(ticks_get_cached() + ticks); } inline void event_queue::handler::set_immediate_timeout() { set_absolute_timeout(0); } inline void event_queue::handler::set_infinite_timeout() { set_absolute_timeout(TICKS_LAST); } // fd_handler inline bool event_queue::fd_handler::compare_fd(const fd_handler& that) const { return fd() < that.fd(); } inline int event_queue::fd_handler::fd() const { return real_fd; } inline void event_queue::fd_handler::watch(watch_options w) { m_queue.update_fd(this, w); } // event_queue inline void event_queue::dispatch_start() { dispatch_start_ticks = ticks_get(); } #endif // EVENT_QUEUE_H doscan-0.3.3/src/event_queue_epoll.cc0000644000175000017500000001556512422010004015411 0ustar fwfw/* doscan - Denial Of Service Capable Auditing of Networks -*- C++ -*- * Copyright (C) 2003 Florian Weimer * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include "config.h" #include "event_queue_epoll.h" #include "opt.h" #include #include #include #include #include #if defined(__linux__) && defined(HAVE_SYS_EPOLL_H) #define HAVE_EPOLL #include #ifndef HAVE_EPOLL_WAIT // Some GNU libc versions provide the correct header file, but no // implementations. Some even lack the syscall numbers. extern "C" { #include #ifndef __NR_epoll_create #define __NR_epoll_create 254 #define __NR_epoll_ctl 255 #define __NR_epoll_wait 256 #endif // __NR_epoll_create _syscall1(int, epoll_create, int, size) _syscall4(int, epoll_ctl, int, epfd, int, op, int, fd, struct epoll_event *, event) _syscall4(int, epoll_wait, int, epfd, struct epoll_event *, pevents, int, maxevents, int, timeout) } #endif // HAVE_EPOLL_WAIT // event_queue_epoll implementation inline unsigned event_queue_epoll::convert_watch(fd_handler::watch_options w) { switch (w) { case fd_handler::watch_read: return EPOLLIN | EPOLLERR; case fd_handler::watch_write: return EPOLLOUT | EPOLLERR; case fd_handler::watch_read_write: return EPOLLIN | EPOLLOUT | EPOLLERR; default: abort(); } } void event_queue_epoll::forget_activity(event_queue::fd_handler* fdh) { // Iterator from the end because we process activities from the end, // so it is likely the loop terminates early. for (fd_activities_t::reverse_iterator p = fd_activities.rbegin(); p != fd_activities.rend(); ++p) { if (p->fdh == fdh) { fd_activities.erase(p.base() - 1); break; } } } void event_queue_epoll::add_fd(fd_handler* fdh, fd_handler::watch_options w) { epoll_event event; event.events = convert_watch(w); event.data.ptr = fdh; int result = epoll_ctl(epoll_fd, EPOLL_CTL_ADD, fdh->fd(), &event); if (result == -1) { fprintf(stderr, "%s: epoll_ctl(EPOLL_CTL_ADD) failed: %s\n", opt_program, strerror(errno)); exit(1); } ++count; } void event_queue_epoll::update_fd(fd_handler* fdh, fd_handler::watch_options w) { epoll_event event; event.events = convert_watch(w); event.data.ptr = fdh; int result = epoll_ctl(epoll_fd, EPOLL_CTL_MOD, fdh->fd(), &event); if (result == -1) { fprintf(stderr, "%s: epoll_ctl(EPOLL_CTL_MOD) failed: %s\n", opt_program, strerror(errno)); exit(1); } } void event_queue_epoll::remove_fd(fd_handler* fdh) { forget_activity(fdh); epoll_event event; event.events = 0; event.data.ptr = 0; int result = epoll_ctl(epoll_fd, EPOLL_CTL_DEL, fdh->fd(), &event); if (result == -1) { fprintf(stderr, "%s: epoll_ctl(EPOLL_CTL_DEL) failed: %s\n", opt_program, strerror(errno)); exit(1); } --count; } event_queue_epoll::event_queue_epoll(unsigned size_hint) { int result = epoll_create(size_hint); if (result == -1) { fprintf(stderr, "%s: epoll_create failed: %s\n", opt_program, strerror(errno)); exit(1); } epoll_fd = result; count = 0; } event_queue_epoll::~event_queue_epoll() { close(epoll_fd); } void event_queue_epoll::run() { for (;;) { int timeout = next_timeout(); if (count == 0) { if (timeout < 0) { return; // infinite timeout without any fds } usleep(1000 * timeout); dispatch_start(); // No fd activity to dispatch. Timeouts are handled below. } else { static unsigned const max_events = 32; struct epoll_event events[max_events]; int result = epoll_wait(epoll_fd, events, sizeof(max_events), timeout); if (result < 0) { if (errno != EINTR) { fprintf(stderr, "%s: epoll_wait() failure, error was: %s\n", opt_program, strerror(errno)); exit (EXIT_FAILURE); } } dispatch_start(); if (result > 0) { // We have to make a copy of the array so that it's not // corrupted because of remove_fd() calls. fd_activities.clear(); for (int j = 0; j < result; ++j) { fd_activity fa; fa.fdh = static_cast(events[j].data.ptr); if (events[j].events & EPOLLERR) { fa.act = fd_handler::activity_error; } else if (events[j].events & EPOLLIN) { if (events[j].events & EPOLLOUT) { fa.act = fd_handler::activity_read_write; } else { fa.act = fd_handler::activity_read; } } else { if (events[j].events & EPOLLOUT) { fa.act = fd_handler::activity_write; } else { fprintf(stderr, "%s: warning: illegal epoll_wait() state 0x%08X " "received on descriptor %d\n", opt_program, events[j].events, fa.fdh->fd()); fa.act = fd_handler::activity_error; } } fd_activities.push_back(fa); } while (!fd_activities.empty()) { fd_activity fa = *(fd_activities.end() - 1); if (!fa.fdh->on_activity(fa.act)) { forget_activity(fa.fdh); delete fa.fdh; } else { forget_activity(fa.fdh); } } } } dispatch_end(); } } #else // __linux__ #undef HAVE_EPOLL #endif //__linux__ // event_queue::create() implementation. We dynamically switch // between event_queue_poll and event_queue_epoll. #include "event_queue_poll.h" event_queue* event_queue::create(unsigned size_hint) { #ifdef HAVE_EPOLL if (!opt_no_epoll) { static int have_epoll = -1; if (have_epoll < 0) { int result = epoll_create(1); if (result >= 0) { close(result); have_epoll = 1; if (opt_verbose) { fprintf(stderr, "%s: using epoll interface\n", opt_program); } } else { have_epoll = 0; if (opt_verbose) { fprintf(stderr, "%s: using poll interface\n", opt_program); } } } if (have_epoll > 0) { return new event_queue_epoll(size_hint); } } #endif return new event_queue_poll(); } doscan-0.3.3/src/event_queue_epoll.h0000644000175000017500000000366412422007650015265 0ustar fwfw/* doscan - Denial Of Service Capable Auditing of Networks -*- C++ -*- * Copyright (C) 2003 Florian Weimer * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ // event_queue implementation using the epoll interface. // DO NOT INCLUDE THIS FILE, use event_queue::create() instead. #ifndef EVENT_QUEUE_EPOLL_H #define EVENT_QUEUE_EPOLL_H #include "event_queue.h" #include class event_queue_epoll : public event_queue { unsigned count; int epoll_fd; // We have to keep track of "pending" file descriptors. These // descriptors have been received from poll(), but we haven't // dispatched them yet. Calls to unwatch() might reassign // descriptors. struct fd_activity { fd_handler* fdh; fd_handler::activity act; }; typedef std::vector fd_activities_t; fd_activities_t fd_activities; void forget_activity(fd_handler*); static unsigned convert_watch(fd_handler::watch_options); protected: virtual void add_fd(event_queue::fd_handler*, fd_handler::watch_options); virtual void update_fd(event_queue::fd_handler*, fd_handler::watch_options); virtual void remove_fd(event_queue::fd_handler*); public: event_queue_epoll(unsigned size_hint); virtual ~event_queue_epoll(); virtual void run(); }; #endif // EVENT_QUEUE_EPOLL_H doscan-0.3.3/src/event_queue_poll.cc0000644000175000017500000001254112422007654015254 0ustar fwfw/* doscan - Denial Of Service Capable Auditing of Networks -*- C++ -*- * Copyright (C) 2003 Florian Weimer * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include "config.h" #include "event_queue_poll.h" #include "opt.h" #include #include #include #include #include void event_queue_poll::update_cache(int fd) { if (fd != cache_poll_fd->fd) { for (poll_fds_t::iterator p = poll_fds.begin(); p != poll_fds.end(); ++p) { if (fd == p->fd) { cache_poll_fd = p; break; } } if (fd != cache_poll_fd->fd) { abort(); } } // If this is not the last fd (which is about to be removed from the // array anyway), we have to hide the pending poll event. if (fd_activities.size() > 1) { fd_activities_t::iterator last = fd_activities.end() - 1; if (last->fd != fd) { // We have to search the entire (short) array. for (fd_activities_t::iterator p = fd_activities.begin(); p != last; ++p) { if (p->fd == fd) { fprintf(stderr, "%s: warning: removing pending poll event on %d\n", opt_program, fd); fd_activities.erase(p); break; } } } } } inline unsigned short event_queue_poll::convert_watch(fd_handler::watch_options w) { switch (w) { case fd_handler::watch_read: return POLLIN; case fd_handler::watch_write: return POLLOUT; case fd_handler::watch_read_write: return POLLIN | POLLOUT; default: abort(); } } void event_queue_poll::add_fd(fd_handler* fdh, fd_handler::watch_options w) { fds[fdh->fd()] = fdh; pollfd pfd; pfd.fd = fdh->fd(); pfd.events = convert_watch(w); poll_fds.push_back(pfd); cache_poll_fd = poll_fds.end() - 1; } void event_queue_poll::update_fd(fd_handler* fdh, fd_handler::watch_options w) { update_cache(fdh->fd()); cache_poll_fd->events = convert_watch(w); } void event_queue_poll::remove_fd(fd_handler* fdh) { fds.erase(fdh->fd()); update_cache(fdh->fd()); poll_fds.erase(cache_poll_fd); } event_queue_poll::~event_queue_poll() { // We have to deallocate fds while *this is still an // event_queue_poll object, otherwise the remove_fd() method is // unavailable. while (!fds.empty()) { delete fds.begin()->second; } } void event_queue_poll::run() { for (;;) { int timeout = next_timeout(); if (poll_fds.empty()) { if (timeout < 0) { return; // infinite timeout without any fds } usleep(1000 * timeout); dispatch_start(); // No fd activity to dispatch. Timeouts are handled below. } else { int result = poll(&*poll_fds.begin(), poll_fds.size(), timeout); if (result < 0) { if (errno != EINTR) { fprintf(stderr, "%s: internal polling failure, error was: %s\n", opt_program, strerror(errno)); exit (EXIT_FAILURE); } } dispatch_start(); if (result > 0) { // We have to make a copy of the array so that it's not // corrupted because of forget_fd() calls. unsigned pos = 0; fd_activities.clear(); for (poll_fds_t::iterator p = poll_fds.begin(); p != poll_fds.end(); ++p, ++pos) { if (p->revents == 0) { continue; } fd_activity fa; fa.fd = p->fd; if (p->revents & POLLERR) { fa.act = fd_handler::activity_error; } else if (p->revents & POLLIN) { if (p->revents & POLLOUT) { fa.act = fd_handler::activity_read_write; } else { fa.act = fd_handler::activity_read; } } else { if (p->revents & POLLOUT) { fa.act = fd_handler::activity_write; } else { fprintf(stderr, "%s: warning: illegal poll() state 0x%08X " "received on descriptor %d\n", opt_program, p->revents, p->fd); fa.act = fd_handler::activity_error; } } fd_activities.push_back(fa); } while (!fd_activities.empty()) { fd_activities_t::iterator last = fd_activities.end() - 1; int fd = last->fd; fds_t::iterator p = fds.find(fd); if (p == fds.end()) { abort(); // FIXME: maybe too drastic } if (!p->second->on_activity(last->act)) { delete p->second; } // Might have changed. last = fd_activities.end() - 1; if (last->fd == fd) { fd_activities.erase(last); } } } } dispatch_end(); } } event_queue_poll t; doscan-0.3.3/src/event_queue_poll.h0000644000175000017500000000375212422007656015124 0ustar fwfw/* doscan - Denial Of Service Capable Auditing of Networks -*- C++ -*- * Copyright (C) 2003 Florian Weimer * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ // event_queue implementation using poll(2). // DO NOT INCLUDE THIS FILE, use event_queue::create() instead. #ifndef EVENT_QUEUE_POLL_H #define EVENT_QUEUE_POLL_H #include "event_queue.h" #include #include #include class event_queue_poll : public event_queue { typedef std::map fds_t; fds_t fds; typedef std::vector poll_fds_t; poll_fds_t poll_fds; poll_fds_t::iterator cache_poll_fd; // We have to keep track of "pending" file descriptors. These // descriptors have been received from poll(), but we haven't // dispatched them yet. Calls to unwatch() might reassign // descriptors. struct fd_activity { int fd; fd_handler::activity act; }; typedef std::vector fd_activities_t; fd_activities_t fd_activities; void update_cache(int fd); static unsigned short convert_watch(fd_handler::watch_options); protected: virtual void add_fd(fd_handler*, fd_handler::watch_options); virtual void update_fd(fd_handler*, fd_handler::watch_options); virtual void remove_fd(fd_handler*); public: virtual ~event_queue_poll(); virtual void run(); }; #endif // EVENT_QUEUE_POLL_H doscan-0.3.3/src/half_duplex.cc0000644000175000017500000001147312422007661014175 0ustar fwfw/* doscan - Denial Of Service Capable Auditing of Networks -*- C++ -*- * Copyright (C) 2003 Florian Weimer * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include "config.h" #include "half_duplex.h" #include "opt.h" #include #include #include #include #include #include #include #include #include #include #ifdef HAVE_SYS_FILIO_H #include #endif half_duplex_handler::half_duplex_handler(event_queue& q, int fd, bool first_read) : fd_handler (q, fd, first_read ? watch_read : watch_write), state(0), receive_goal(0) { } half_duplex_handler::~half_duplex_handler() { int old_fd = fd(); if (old_fd >= 0) { unwatch(); close(old_fd); } } bool half_duplex_handler::on_timeout(ticks_t) { error(ETIMEDOUT); return false; } bool half_duplex_handler::on_activity(activity act) { switch (act) { case activity_read: return on_activity_read(); case activity_write: return on_activity_write(); case activity_error: error(get_error()); return false; case activity_read_write: fprintf(stderr, "%s: half-duplex connection on %d is ready for " "reading and writing\n", opt_program, fd()); exit(EXIT_FAILURE); }; abort(); } bool half_duplex_handler::on_activity_read() { unsigned current_size = receive_buffer.size(); unsigned to_read; // Determine the number of bytes to read. if (receive_goal > 0) { to_read = receive_goal - current_size; } else { int pending; int result = ioctl(fd(), FIONREAD, &pending); if (result == -1) { error(errno); return false; } to_read = pending; } // Grow the receive buffer as necessary and fill it with available // data. receive_buffer.resize(current_size + to_read); int result = read(fd(), &receive_buffer[current_size], to_read); // Now process the data. if (result > 0) { if (static_cast(result) == to_read) { // We got all the data we wanted. return invoke_ready(); } else { // We received less data than expected. We have to shrink the // string. receive_buffer.resize(current_size + result); if (!receive_goal) { // There was less data than exepcted, but it's still enough if // we weren't given an exact number of bytes. return invoke_ready(); } else { // We have to wait for more data. return true; } } } else if (result == 0) { // Peer closed the connection. error(0); return false; } else { // result == -1 // We encountered an error. int err = errno; switch (err) { case EWOULDBLOCK: case EINTR: // Non-permanent errors, ignore them. return true; default: error(err); return false; } } abort(); } bool half_duplex_handler::on_activity_write() { unsigned to_write = send_buffer.size() - send_offset; int result = write(fd(), &send_buffer[send_offset], to_write); if (result > 0) { send_offset += result; if (static_cast(result) == to_write) { // The send operation is complete. return invoke_ready(); } else { // There still is more data to send. return true; } } else if (result == 0) { // Peer closed the connection. error(0); return false; } else { // We encountered an error. int err = errno; switch (err) { case EWOULDBLOCK: case EINTR: // Non-permanent errors, ignore them. return true; default: error(err); return false; } } abort(); } void half_duplex_handler::request_data(unsigned count) { receive_buffer.clear(); receive_goal = count; watch(watch_read); stop = false; } int half_duplex_handler::get_error() { int error = 0; socklen_t len = sizeof(error); errno = 0; if (getsockopt(fd(), SOL_SOCKET, SO_ERROR, &error, &len) >= 0) { // Non-Solaris case: error is overwritten with the error code, // Nothing to do. } else { // Solaris case: errno has the error code. error = errno; } return error; } doscan-0.3.3/src/half_duplex.h0000644000175000017500000000672212422007663014042 0ustar fwfw/* doscan - Denial Of Service Capable Auditing of Networks -*- C++ -*- * Copyright (C) 2003 Florian Weimer * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef HALF_DUPLEX_H #define HALF_DUPLEX_H #include "event_queue.h" #include class half_duplex_handler : public event_queue::fd_handler { // Override routines inherited from fd_handler. virtual bool on_timeout(ticks_t); virtual bool on_activity(activity); bool on_activity_read(); bool on_activity_write(); bool invoke_ready(); int get_error(); protected: int state; std::string receive_buffer; std::string send_buffer; private: std::string::size_type receive_goal; std::string::size_type send_offset; // invoke_ready() sets this variable to true before calling ready(), // and the requested*() and send() members set it to false. Thus we // can check if a new operation has been requested. bool stop; public: // Handles an existing half-duplex connection. // // If first_read is true, the first operation is a read operation, // otherwise it's a write operation. half_duplex_handler(event_queue&, int fd, bool first_read); // Automatically closes the file descriptor. virtual ~half_duplex_handler(); // ready() is called when the requested amount of data has been // received, or a send operation has completed and some data has // been received. // // The first state is 0. Its value is special and the state should // not be entered again. virtual void ready() = 0; // This is called when an error is detected, or the peer closes the // connection. The argument is the errno number, or 0 if the // connection has just been closed. virtual void error(int) = 0; // request_data() should be called by ready() to request more data. // If count bytes are received, ready() is invoked again, with the // given state. (If count is zero, all the data in the socket // buffer is read.) void request_data(unsigned count = 0); // request_more_data() is like request_data(), only the data is // appended to the existing buffer. void request_more_data(unsigned count = 0); // send() should be called by ready() to send the data in // send_buffer. After completion, ready() is invoked with the new // state. void send(); // Line send(), but assigns the argument to send_buffer. void send(const std::string&); }; inline void half_duplex_handler::request_more_data(unsigned count) { receive_goal = count; watch(watch_read); stop = false; } inline void half_duplex_handler::send() { send_offset = 0; watch(watch_write); stop = false; } inline void half_duplex_handler::send(const std::string& data) { send_buffer.assign(data); send(); } inline bool half_duplex_handler::invoke_ready() { stop = true; ready(); return !stop; } #endif // HALF_DUPLEX_H doscan-0.3.3/src/ipv4.cc0000644000175000017500000000406612422007666012571 0ustar fwfw/* doscan - Denial Of Service Capable Auditing of Networks * Copyright (C) 2003 Florian Weimer * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include "config.h" #include "ipv4.h" #include int ipv4_string_to_address (const char *source, ipv4_t *result) { unsigned a, b, c, d; if (sscanf(source, "%u.%u.%u.%u", &a, &b, &c, &d) != 4) { return 0; } if ((a > 255) || (b > 255) || (c > 255) || (d > 255)) { return 0; } *result = (a << 24) | (b << 16) | (c << 8) | d; return 1; } void ipv4_address_to_string (ipv4_t source, ipv4_string_t result) { unsigned a, b, c, d; a = source >> 24; b = (source >> 16) & 0xFF; c = (source >> 8) & 0xFF; d = source & 0xFF; sprintf (result, "%u.%u.%u.%u", a, b, c, d); } int ipv4_string_to_prefix (const char *source, ipv4_prefix_t *result) { unsigned a, b, c, d, l; if (sscanf(source, "%u.%u.%u.%u/%u", &a, &b, &c, &d, &l) != 5) { return 0; } if ((a > 255) || (b > 255) || (c > 255) || (d > 255) || (l > 32)) { return 0; } result->network = (a << 24) | (b << 16) | (c << 8) | d; result->length = l; return 1; } void ipv4_prefix_to_string (const ipv4_prefix_t *source, char *result) { unsigned a, b, c, d; a = source->network >> 24; b = (source->network >> 16) & 0xFF; c = (source->network >> 8) & 0xFF; d = source->network & 0xFF; sprintf (result, "%u.%u.%u.%u/%u", a, b, c, d, (unsigned)source->length); } doscan-0.3.3/src/ipv4.h0000644000175000017500000000250312422007671012421 0ustar fwfw/* doscan - Denial Of Service Capable Auditing of Networks * Copyright (C) 2003 Florian Weimer * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef IPV4_H #define IPV4_H #include "config.h" typedef uint32_t ipv4_t; typedef char ipv4_string_t[15 + 3 + 1]; /* Sufficient length for both addresses and prefixes. */ typedef unsigned prefix_len_t; typedef struct { ipv4_t network; prefix_len_t length; } ipv4_prefix_t; int ipv4_string_to_address (const char *, ipv4_t *); void ipv4_address_to_string (ipv4_t, ipv4_string_t); int ipv4_string_to_prefix (const char *, ipv4_prefix_t *); void ipv4_prefix_to_string (const ipv4_prefix_t *, char *); #endif /* IPV4_H */ doscan-0.3.3/src/opt.cc0000644000175000017500000000257212422007674012510 0ustar fwfw/* doscan - Denial Of Service Capable Auditing of Networks * Copyright (C) 2003 Florian Weimer * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include "config.h" #include "opt.h" const char *opt_program = 0; int opt_verbose = 0; unsigned opt_port = 0; ticks_t opt_connect_timeout = 30000; ticks_t opt_read_timeout = 30000; ticks_t opt_write_timeout = 30000; unsigned opt_fd_count = 50; unsigned opt_add_burst = 10; ticks_t opt_add_timeout = 20; int opt_net_errors = 0; int opt_no_epoll = 0; int opt_indicator = 0; unsigned opt_banner_size = 0; const char *opt_receive = ""; const char *opt_send = ""; const char *opt_output = "%T\t%a\t%e\t%b"; const char *opt_protocol = "tcp"; const char *opt_output_style = "sort-by-host"; doscan-0.3.3/src/opt.h0000644000175000017500000000424712422007676012355 0ustar fwfw/* doscan - Denial Of Service Capable Auditing of Networks * Copyright (C) 2003 Florian Weimer * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef OPT_H #define OPT_H #include "ticks.h" extern const char *opt_program; /* the name of the program */ extern int opt_verbose; /* control verbose mode */ extern unsigned opt_port; /* the remote port to connect to */ extern ticks_t opt_connect_timeout; /* in milliseconds, default is 30000 */ extern ticks_t opt_read_timeout; /* in milliseconds, default is 30000 */ extern ticks_t opt_write_timeout; /* in milliseconds, default is 30000 */ extern unsigned opt_fd_count; /* number of sockets to create, default is 50 */ extern unsigned opt_add_burst; /* number of sockets to open at once, default is 10 */ extern unsigned opt_add_timeout; /* timeout after add in milliseconds, default is 20 */ extern int opt_net_errors; /* shall we include errors related to the network? */ extern int opt_no_epoll; /* do not use epoll even if it is available */ extern int opt_indicator; /* shall we display a progress indicator? */ extern unsigned opt_banner_size; /* how many bytes shall we read from the other host */ extern const char *opt_receive; /* argument to the --receive option */ extern const char *opt_send; /* argument to the --send option */ extern const char *opt_output; /* output format specifier */ extern const char *opt_protocol; /* the protocol module to use for scanning */ extern const char *opt_output_style; /* the output style (sort order) */ #endif /* OPT_H */ doscan-0.3.3/src/proto.cc0000644000175000017500000000347312422007701013041 0ustar fwfw/* doscan - Denial Of Service Capable Auditing of Networks * Copyright (C) 2003 Florian Weimer * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include "config.h" #include "opt.h" #include "proto.h" #include #include #include typedef struct proto_t { const char *name; proto_start_t start; proto_open_t open; struct proto_t *next; } proto_t; static proto_t *protocols = 0; static proto_start_t selected_start = 0; static proto_open_t selected_open = 0; void proto_register (const char *name, proto_start_t start, proto_open_t open) { proto_t *p = new proto_t; p->name = name; p->start = start; p->open = open; p->next = protocols; protocols = p; } void proto_select (const char *name) { proto_t *p = protocols; while (p) { if (strcasecmp (name, p->name) == 0) { selected_start = p->start; selected_open = p->open; return; } p = p->next; } fprintf (stderr, "%s: invalid protocol module '%s'\n", opt_program, name); exit (EXIT_FAILURE); } bool proto_start (subnets& n) { return selected_start (n); } void proto_open (struct scan_host_t *s) { selected_open (s); } doscan-0.3.3/src/proto.h0000644000175000017500000000307712422007703012705 0ustar fwfw/* doscan - Denial Of Service Capable Auditing of Networks * Copyright (C) 2003 Florian Weimer * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef PROTO_H #define PROTO_H #include "subnets.h" struct scan_host_t; /* from scan.h */ typedef bool (*proto_start_t) (subnets&); /* Called when a protocol engine is chosen for scanning. */ typedef void (*proto_open_t) (struct scan_host_t *); /* Called to open a host connection. */ void proto_register (const char *, proto_start_t, proto_open_t); /* Register a protocol handler. Auto-generated code calls this routine. */ void proto_select (const char *); /* Selects a protocol for scanning. */ void proto_register_all (void); /* Triggers protocol registration. */ bool proto_start (subnets&); /* Calls the protocol-specific start routine. */ void proto_open (struct scan_host_t *); /* Calls the protocol-specific open routine. */ #endif /* PROTO_H */ doscan-0.3.3/src/proto_http.cc0000644000175000017500000001044212422007705014076 0ustar fwfw/* doscan - Denial Of Service Capable Auditing of Networks * Copyright (C) 2003 Florian Weimer * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ /* This is a simple HTTP version string collector, intended as sample code for the TCP engine code. */ #include "config.h" #include "engine_tcp.h" #include "opt.h" #include "proto.h" #include "results.h" #include "scan.h" #include "utils.h" #include static bool http_start (subnets&); static void http_open (scan_host_t *); static void http_send_request (scan_host_t *); static void http_receive_reply (scan_host_t *); static void http_finish (scan_host_t *, const char *buffer, unsigned size); static char *request_buffer; static unsigned request_size; static pcre *end_regexp; static pcre *server_regexp; void proto_http_register (void) { proto_register ("http", http_start, http_open); } static bool http_start (subnets&) { const char *errptr; int erroffset; if (opt_banner_size == 0) { opt_banner_size = 4000; } if (opt_send && (opt_send[0] != '\0')) { string_dequote (opt_send, &request_buffer, &request_size, "--send option"); } else { string_dequote ("GET / HTTP/1.0\\r\\n\\r\\n", &request_buffer, &request_size, "--send option"); } if (opt_receive && (opt_receive[0] != '\0')) { fprintf (stderr, "%s: http protocol module does not support --receive\n", opt_program); exit (EXIT_FAILURE); } end_regexp = pcre_compile ("(.*?)\r\n\r\n", PCRE_ANCHORED | PCRE_DOLLAR_ENDONLY | PCRE_DOTALL, &errptr, &erroffset, 0); server_regexp = pcre_compile (".*\r\nServer:[\t ]*(.*?)[\t ]*\r\n", PCRE_ANCHORED | PCRE_DOLLAR_ENDONLY | PCRE_DOTALL, &errptr, &erroffset, 0); if (! (end_regexp && server_regexp)) { fprintf (stderr, "%s: fatal PCRE error\n", opt_program); exit (EXIT_FAILURE); } return true; } static void http_open (scan_host_t *s) { if (!s->state) { s->state = malloc (sizeof (engine_tcp_t)); } engine_tcp_open (s, http_send_request, http_receive_reply); } static void http_send_request (scan_host_t *s) { engine_tcp_send (s, request_buffer, request_size, ENGINE_TCP_NO_COPY, http_receive_reply); } static void http_receive_reply (scan_host_t *s) { engine_tcp_receive_until_match (s, end_regexp, 0, opt_banner_size, http_finish); } static void http_finish (scan_host_t *s, const char *buffer, unsigned size) { int ovector[6]; int rc; unsigned header_length; /* First determine the end of the header. */ rc = pcre_exec (end_regexp, 0, buffer, size, 0, 0, ovector, 6); if (rc != 2) { fprintf (stderr, "%s: internal error %d in http protocol module\n", opt_program, rc); exit (EXIT_FAILURE); } if (ovector[2] != 0) { fprintf (stderr, "%s: internal match error in http protocol module\n", opt_program); exit (EXIT_FAILURE); } header_length = ovector[3]; /* Then look for the Server: string in the header. */ rc = pcre_exec (server_regexp, 0, buffer, header_length, 0, 0, ovector, 6); switch (rc) { case 2: results_add (ticks_get_cached (), s->host, 0, buffer + ovector[2], ovector[3] - ovector[2]); break; case PCRE_ERROR_NOMATCH: results_add (ticks_get_cached (), s->host, RESULTS_ERROR_NODATA, buffer, header_length); break; default: fprintf (stderr, "%s: internal PCRE in http protocol module\n", opt_program); exit (EXIT_FAILURE); } /* No more pending requests, connection is closed automatically. */ } doscan-0.3.3/src/proto_http_proxy.cc0000644000175000017500000002463212422007710015341 0ustar fwfw/* doscan - Denial Of Service Capable Auditing of Networks * Copyright (C) 2003, 2004 Florian Weimer * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include "config.h" #include "half_duplex.h" #include "opt.h" #include "proto.h" #include "results.h" #include "rx.h" #include "scan_tcp.h" #include "scan_trigger.h" #include "subnets.h" #include "tcp_server.h" #include "utils.h" #include #include #include #include #include #include #include #include #include static bool proxy_start(subnets&); static void proxy_open(scan_host_t *); typedef enum { method_get, method_connect } method_type; static method_type method; static unsigned listen_port; void proto_http_proxy_register() { proto_register ("http_proxy", proxy_start, proxy_open); } static void proxy_open (scan_host_t *) { } // Shared mark between client and server, to recognize connections. static const std::string mark("doscan open proxy test"); class http_reply { const std::string& data; static const rx regexp_return_code; static const unsigned max_reply_size = 4000; public: http_reply(const std::string& reply); static const unsigned max_header_size = 4000; typedef enum { yes, maybe, no} state; state return_code_available() const; state reply_available() const; unsigned return_code() const; bool success() const; std::string reply() const; }; inline http_reply::http_reply(const std::string& reply) : data(reply) { } const rx http_reply::regexp_return_code("^HTTP/(\\d+\\.\\d+) (\\d\\d\\d)" "(?: |\r\n)"); inline http_reply::state http_reply::return_code_available() const { if (data.find("\r\n") == std::string::npos) { return maybe; } if (data.size() > max_reply_size) { return no; } if (regexp_return_code.exec(data)) { return yes; } else { return no; } } unsigned http_reply::return_code() const { rx::matches matches; if (regexp_return_code.exec(data, matches)) { return atoi(matches[2].data().c_str()); } else { abort(); } } inline bool http_reply::success() const { unsigned ret = return_code(); return ret >= 200 && ret <= 299; }; inline http_reply::state http_reply::reply_available() const { std::string::size_type pos = data.find("\r\n\r\n"); if (pos != std::string::npos && data.size() >= pos + 4 + mark.size()) { return yes; } else { return maybe; } } std::string http_reply::reply() const { std::string::size_type pos = data.find("\r\n\r\n"); if (pos == std::string::npos) { return std::string(); } else { return data.substr(pos + 4); } } class http_client : public tcp_half_duplex_handler { virtual void ready(int state, int error, const std::string& data); void make_get_request(method_type, int& state, std::string&); public: http_client(event_queue&, ipv4_t); }; http_client::http_client(event_queue& q, ipv4_t host) : tcp_half_duplex_handler(q, host, opt_port) { set_relative_timeout(opt_connect_timeout); } void http_client::make_get_request(method_type method, int& state, std::string& req) { // Obtain our address for the back-connect. sockaddr_in sa; socklen_t namelen = sizeof(sa); int result = getsockname(fd(), reinterpret_cast(&sa), &namelen); if (result == -1) { fprintf(stderr, "%s: getpeername failed, error was: %s\n", opt_program, strerror(errno)); exit(EXIT_FAILURE); } char buf[100]; switch (method) { case method_get: // We use HTTP 1.0 so that we can omit the Host: header. sprintf(buf, "GET http://%s:%u/doscan-probe/%u HTTP/1.0\r\n\r\n", inet_ntoa(sa.sin_addr), listen_port, static_cast(time(0))); state = 20; break; case method_connect: sprintf(buf, "CONNECT %s:%u HTTP/1.0\r\n\r\n", inet_ntoa(sa.sin_addr), listen_port); state = 10; break; } req.assign(buf); } void http_client::ready(int state, int error, const std::string& data) { std::string request; if (error) { return; } switch (state) { case 0: if (get_error()) { return; } make_get_request(method, state, request); send(state, request); return; case 10: // Wait for CONNECT result. If ready, send the GET request. { http_reply reply(data); switch (reply.return_code_available()) { case http_reply::yes: if (reply.success()) { // New send get request. make_get_request(method_get, state, request); send(state, request); return; } else { // Error code, we are not welcome. Good! return; } case http_reply::no: results_add_unquoted(host(), "invalid return code: " + quote(data)); break; case http_reply::maybe: request_more_data(state); } } case 20: // Connection is established. Wait for the line with the return // code. { http_reply reply(data); switch (reply.return_code_available()) { case http_reply::yes: if (reply.success()) { goto process_reply; } else { // Error code, we are not welcome. Good! return; } case http_reply::no: results_add_unquoted(host(), "invalid return code: " + quote(data)); break; case http_reply::maybe: request_more_data(state); } } return; process_reply: state = 21; case 21: // Reply indicating success was encountered. We have to check the // contents. { http_reply reply(data); switch (reply.reply_available()) { case http_reply::yes: if (reply.reply() == mark) { results_add_unquoted(host(), "open proxy"); } return; case http_reply::maybe: request_more_data(state); return; case http_reply::no: results_add_unquoted(host(), "invalid header: " + quote(data)); return; } } } abort(); } class http_server : public half_duplex_handler { ipv4_t host; // peer address static const unsigned max_request_size = 4000; static const rx regexp_request; virtual void ready(); virtual void error(int); void maybe_request_more_data(); void bad_request(); void serve_request(); public: http_server(event_queue&, int fd, ipv4_t host, unsigned port); }; inline http_server::http_server(event_queue& q, int fd, ipv4_t h, unsigned) : half_duplex_handler(q, fd, true), host(h) { set_relative_timeout(opt_connect_timeout); } const rx http_server::regexp_request("^GET (?:http://[0-9.]+(?::\\d+)?)?" "/([^ ]*) (HTTP/\\d+\\.\\d+)\r\n", PCRE_CASELESS); void http_server::ready() { switch (state) { case 0: if (receive_buffer.find("\r\n") == std::string::npos) { maybe_request_more_data(); return; } // We have received the first line, advance to the next state. state++; case 1: // Wait until the header is complete. { rx::matches matches; if (regexp_request.exec(receive_buffer, matches)) { if (receive_buffer.find("\r\n\r\n") != std::string::npos) { serve_request(); return; } else { maybe_request_more_data(); state++; return; } } else{ bad_request(); return; } } case 2: if (receive_buffer.find("\r\n\r\n") != std::string::npos) { serve_request(); return; } maybe_request_more_data(); return; case 99: return; } abort(); } void http_server::maybe_request_more_data() { if (receive_buffer.size() > max_request_size) { bad_request(); } else { request_more_data(); } } void http_server::bad_request() { results_add_unquoted(host, RESULTS_ERROR_NOMATCH, "invalid request to server: " + quote(receive_buffer)); send("HTTP/1.1 400 Bad Request\r\n" "Connection: close\r\n" "Content-Type: application/text/plain\r\n" "\r\n" "Bad request\r\n"); state = 99; } void http_server::serve_request() { send_buffer.assign("HTTP/1.0 200 OK\r\n" "Connection: close\r\n" "Content-Type: application/octet-stream\r\n" "\r\n"); send_buffer.append(mark); send(); state = 99; } class trigger_handler : public scan_trigger::default_handler { tcp_accept_handler* server; virtual void all_connected(); public: trigger_handler(tcp_accept_handler*); }; trigger_handler::trigger_handler(tcp_accept_handler* s) : server(s) { } void trigger_handler::all_connected() { server->terminate(); } void http_server::error(int) { // FIXME: We should log the connection attempt. } static bool proxy_start(subnets& nets) { if (strcmp(opt_send, "GET") == 0) { method = method_get; } else if(strcmp(opt_send, "CONNECT") == 0) { method = method_connect; } else { fprintf (stderr, "%s: --send GET or --send CONNECT required\n", opt_program); exit (EXIT_FAILURE); } listen_port = atoi(opt_receive); if (listen_port == 0 || listen_port >= 65535) { fprintf (stderr, "%s: --receive PORT required, 0 < PORT < 65535\n", opt_program); exit (EXIT_FAILURE); } if (opt_banner_size) { fprintf (stderr, "%s: --banner is not supported by this module.\n", opt_program); exit (EXIT_FAILURE); } std::auto_ptr q(event_queue::create(opt_fd_count)); trigger_handler th(new tcp_default_accept_handler(*q, listen_port)); scan_trigger t(*q, nets, th, opt_fd_count, opt_add_timeout, opt_add_burst); q->run(); return false; } doscan-0.3.3/src/proto_ident_check.cc0000644000175000017500000001211612422007713015356 0ustar fwfw/* doscan - Denial Of Service Capable Auditing of Networks * Copyright (C) 2003, 2005 Florian Weimer * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include "config.h" #include "opt.h" #include "proto.h" #include "results.h" #include "rx.h" #include "scan_trigger.h" #include "scan_tcp.h" #include #include #include #include #include #include #include #include #include static bool ident_start (subnets&); static void ident_open (scan_host_t *); void proto_ident_check_register (void) { proto_register ("ident_check", ident_start, ident_open); } static void ident_open (scan_host_t *) { } class proto_ident_check : public tcp_half_duplex_handler { unsigned local_port; static const rx regexp_response; public: proto_ident_check(event_queue&, ipv4_t); virtual void ready(int state, int error, const std::string& data); }; const rx proto_ident_check::regexp_response("^[ ]*(\\d+) *, *(\\d+) *" ": *(?:USERID|ERROR) *:", PCRE_CASELESS); proto_ident_check::proto_ident_check(event_queue& q, ipv4_t host) : tcp_half_duplex_handler(q, host, opt_port) { set_relative_timeout(opt_connect_timeout); } void proto_ident_check::ready(int state, int error, const std::string& data) { if (error && state > 0) { results_add(host(), error, "error after connect"); return; } switch (state) { case 0: // Just got connected. { // Check for pending connection error. Only record the error if // the connection has been reset. int error = get_error(); if (error) { if (error == ECONNRESET) { results_add(host(), error, "error during connect"); } return; } // Construct the reply. We need the port number on our side, so // we fetch it using getsockname(). struct sockaddr_in sa; socklen_t len = sizeof(sa); int result = getsockname(fd(), reinterpret_cast(&sa), &len); if (result == -1) { fprintf(stderr, "%s: getsockname() failed, error was: %s\n", opt_program, strerror(errno)); exit(EXIT_FAILURE); } local_port = htons(sa.sin_port); char request[50]; sprintf(request, "%u , %u\r\n", port(), local_port); send(state + 1, request); return; } case 1: // Process the reply. { unsigned len = data.size(); if (data.size() < 2) { request_more_data(state); return; } if (data[len - 2] != '\r' || data[len - 1] != '\n') { // Do not retrieve too much data. if (data.size() < 1000) { request_more_data(state); return; } else { results_add(host(), RESULTS_ERROR_NOMATCH, data); return; } } else { // We have at least a line terminated by CRLF. std::string::size_type pos = data.find("\r\n"); if (pos != len - 2) { // Multiple lines in reply. results_add(host(), RESULTS_ERROR_NOMATCH, data); return; } rx::matches matches; bool match = regexp_response.exec(data, matches); if (!match || (static_cast(atoi(matches[1].data().c_str())) != port()) || (static_cast(atoi(matches[2].data().c_str())) != local_port)) { results_add(host(), RESULTS_ERROR_NOMATCH, data); return; } // Reply is genuine, log only in verbose mode. if (opt_verbose) { results_add(host(), data); } return; } } } abort(); } static bool ident_start(subnets& n) { if (opt_receive && opt_receive[0]) { fprintf (stderr, "%s: --receive is not supported by this module\n", opt_program); exit (EXIT_FAILURE); } if (opt_banner_size) { fprintf (stderr, "%s: --banner is not supported by this module.\n", opt_program); exit (EXIT_FAILURE); } if (opt_send && (opt_send[0] != 0)) { fprintf (stderr, "%s: --send is not supported by this module.\n", opt_program); exit (EXIT_FAILURE); } std::auto_ptr q(event_queue::create(opt_fd_count)); scan_trigger::default_handler th; scan_trigger t(*q, n, th, opt_fd_count, opt_add_timeout, opt_add_burst); q->run(); return false; } doscan-0.3.3/src/proto_tcp.cc0000644000175000017500000001672212422007716013716 0ustar fwfw/* doscan - Denial Of Service Capable Auditing of Networks * Copyright (C) 2003 Florian Weimer * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include "config.h" #include "ipv4.h" #include "opt.h" #include "proto.h" #include "results.h" #include "scan_tcp.h" #include "scan_trigger.h" #include "utils.h" #include #include #include #include #include #include #include #include #include #include #include #include static bool proto_tcp_start(subnets&); static void proto_tcp_open(scan_host_t *); static const char *send_buffer = 0; static unsigned send_length = 0; static pcre *receive_regexp = 0; static int receive_regexp_terminate_on_match; static int receive_regexp_capture_count; void proto_tcp_register(void) { proto_register("tcp", proto_tcp_start, proto_tcp_open); } class proto_tcp : public tcp_client_handler { int state; std::string receive_buffer; unsigned receive_offset; unsigned send_offset; void handle_close(int error, ticks_t = ticks_get_cached()); public: proto_tcp(event_queue&, ipv4_t); virtual bool on_activity(activity); virtual bool on_timeout(ticks_t); }; proto_tcp::proto_tcp(event_queue& q, ipv4_t host) : tcp_client_handler(q, host, opt_port), state(0), receive_buffer(opt_banner_size, char()), receive_offset(0), send_offset(0) { set_relative_timeout(opt_connect_timeout); } bool proto_tcp::on_activity(activity act) { int error, result; switch (state) { case 0: // We just got connected. // Check for error. error = get_error(); if (error) { if (opt_net_errors) { results_add(ticks_get_cached(), host(), error, 0, 0); } return false; } // Regular processing. We can disconnect immediately if we do not // collect banners. if (opt_banner_size == 0) { results_add(ticks_get_cached(), host(), 0, 0, 0); return false; } set_relative_timeout(opt_read_timeout); if (send_length > 0) { watch(watch_read_write); } else { watch(watch_read); } ++state; return true; case 1: // Established connection. First check for error. if (act == activity_error) { handle_close(get_error()); return false; } // Handle data which is available for reading. if (act == activity_read || act == activity_read_write) { result = read(fd(), &receive_buffer[0] + receive_offset, receive_buffer.size() - receive_offset); if (result == -1) { handle_close(errno); return false; } receive_offset += result; if (receive_regexp_terminate_on_match) { int rc; rc = pcre_exec(receive_regexp, 0, receive_buffer.data(), receive_offset, 0, 0, 0, 0); switch (rc) { case 0: case 1: case 2: // We have a match and can therefore drop the connection. handle_close(0); return false; case PCRE_ERROR_NOMATCH: /* No match, we have to continue. */ break; default: fprintf(stderr, "%s: PCRE error %d during receive", opt_program, rc); exit(EXIT_FAILURE); } } if (result == 0 || receive_offset == receive_buffer.size()) { handle_close(0); return false; } } if (act == activity_write || act == activity_read_write) { result = write(fd(), send_buffer + send_offset, send_length - send_offset); if (result == -1) { handle_close(errno); return false; } send_offset += result; if (send_offset == send_length) { // No more data to send, just keep reading. watch(watch_read); } } set_relative_timeout(opt_read_timeout); // Stay in this state. return true; } abort(); } bool proto_tcp::on_timeout(ticks_t ticks) { switch (state) { case 0: // Connection timeouts are normal. return false; case 1: handle_close(0, ticks); return false; } abort(); } void proto_tcp::handle_close(int error, ticks_t ticks) { if (receive_regexp_capture_count > 0) { int rc; int ovector[6]; rc = pcre_exec(receive_regexp, 0, receive_buffer.data(), receive_offset, 0, 0, ovector, 6); switch (rc) { case 2: results_add(ticks, host(), error, receive_buffer.data() + ovector[2], ovector[3] - ovector[2]); break; case PCRE_ERROR_NOMATCH: results_add(ticks, host(), error ? error : RESULTS_ERROR_NOMATCH, receive_buffer.data(), receive_offset); break; case 0: case 1: fprintf(stderr, "%s: internal PCRE error after receive, " "rc %d is invalid", opt_program, rc); exit(EXIT_FAILURE); break; default: fprintf(stderr, "%s: PCRE error %d after receive", opt_program, rc); exit(EXIT_FAILURE); } } else { results_add(ticks, host(), error, receive_buffer.data(), receive_offset); } } static void proto_tcp_open (scan_host_t *s) { } static bool proto_tcp_start(subnets& n) { if (opt_receive && (opt_receive[0] != 0) && (opt_banner_size == 0)) { fprintf (stderr, "%s: --receive requires --banner option\n", opt_program); exit (EXIT_FAILURE); } if (opt_send && (opt_send[0] != 0)) { char *sb; string_dequote (opt_send, &sb, &send_length, "--send option"); send_buffer = sb; } else { send_buffer = 0; send_length = 0; } if (opt_receive && (opt_receive[0] != 0)) { /* Parse the regular expression passed to --receive. */ const char* error; int offset; receive_regexp = pcre_compile (opt_receive, PCRE_ANCHORED | PCRE_DOLLAR_ENDONLY | PCRE_DOTALL, &error, &offset, 0); if (receive_regexp == 0) { fprintf (stderr, "%s: cannot compile '--receive' regexp\n", opt_program); fprintf (stderr, "%s: %s (at position %d)\n", opt_program, error, offset + 1); exit (EXIT_FAILURE); } else { receive_regexp_terminate_on_match = opt_receive[strlen (opt_receive) - 1] == '$'; pcre_fullinfo (receive_regexp, 0, PCRE_INFO_CAPTURECOUNT, &receive_regexp_capture_count); if (receive_regexp_capture_count > 1) { fprintf (stderr, "%s: too many captures in '--receive' regexp\n", opt_program); exit (EXIT_FAILURE); } } } else { receive_regexp_terminate_on_match = 0; receive_regexp_capture_count = 0; } std::auto_ptr q(event_queue::create(opt_fd_count)); scan_trigger::default_handler th; scan_trigger t(*q, n, th, opt_fd_count, opt_add_timeout, opt_add_burst); q->run(); return false; } doscan-0.3.3/src/proto_udp.cc0000644000175000017500000000512612422007720013707 0ustar fwfw/* doscan - Denial Of Service Capable Auditing of Networks * Copyright (C) 2003 Florian Weimer * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include "config.h" #include "scan.h" #include "opt.h" #include "proto.h" #include "scan_udp.h" #include "utils.h" #include #include #include static bool udp_start(subnets&); static void udp_open(scan_host_t *); void proto_udp_register(void) { proto_register ("udp", udp_start, udp_open); } static void udp_open(scan_host_t *) { } static const char *send_buffer = 0; static unsigned send_length = 0; struct scan_udp : scan_udp_single::handler { scan_udp* clone() const { return new scan_udp(); } void create_query(ipv4_t, std::string& data) { data.assign(send_buffer, send_length); } void reply_received(ipv4_t host, unsigned short remote_port, const std::string& data) { results_add(ticks_get_cached(), host, 0, data.data(), data.size()); } void timeout(ipv4_t host, ticks_t ticks) { } }; static bool udp_start(subnets& nets) { if (opt_receive && opt_receive[0]) { fprintf (stderr, "%s: --receive is currently not supported\n", opt_program); exit (EXIT_FAILURE); } if (opt_banner_size) { fprintf (stderr, "%s: --banner is implicitly activated by this module.\n", opt_program); exit (EXIT_FAILURE); } if (opt_send && (opt_send[0] != 0)) { char *sb; string_dequote (opt_send, &sb, &send_length, "--send option"); send_buffer = sb; } else { fprintf (stderr, "%s: The --send option is required for this module.\n", opt_program); exit (EXIT_FAILURE); } std::auto_ptr q(event_queue::create(1)); scan_udp su; scan_udp_single scanner(*q, nets, su, opt_fd_count, opt_add_timeout, opt_add_burst, 5, opt_connect_timeout / 5); q->run(); return false; }; doscan-0.3.3/src/quote.cc0000644000175000017500000000326112422007722013031 0ustar fwfw/* doscan - Denial Of Service Capable Auditing of Networks -*- C++ -*- * Copyright (C) 2003 Florian Weimer * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include "config.h" #include "utils.h" #include std::string quote(const std::string& source) { std::string result; std::string::const_iterator p = source.begin(); result.reserve(source.size() + 4); while (p != source.end()) { char ch = *p; switch (ch) { case '\t': result += '\\'; result += 't'; break; case '\r': result += '\\'; result += 'r'; break; case '\n': result += '\\'; result += 'n'; break; case '\\': result += '\\'; result += '\\'; break; default: if ((ch < ' ') || (ch > '~')) { // This assumes ASCII. result += '\\'; result += '0' + ((ch >> 6) & 7); result += '0' + ((ch >> 3) & 7); result += '0' + (ch & 7); } else { result += *p; } } ++p; } return result; } doscan-0.3.3/src/results.cc0000644000175000017500000002342512422010054013371 0ustar fwfw/* doscan - Denial Of Service Capable Auditing of Networks * Copyright (C) 2003 Florian Weimer * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include "config.h" #include "opt.h" #include "results.h" #include #include #include #include #include #include #include #include typedef struct { ticks_t timestamp; ipv4_t host; int error; const char *banner; } result_t; result_t *results = 0; unsigned allocated; unsigned used; typedef struct format_t { void (*printer) (const struct format_t *, const result_t *); char *data; } format_t; format_t *format_list; static void format_host (const format_t *, const result_t *); static void format_host_name (const format_t *, const result_t *); static void format_banner (const format_t *, const result_t *); static void format_error (const format_t *, const result_t *); static void format_errno (const format_t *, const result_t *); static void format_time_relative (const format_t *, const result_t *); static void format_time_local (const format_t *, const result_t *); static void format_time_utc (const format_t *, const result_t *); static void format_print_data (const format_t *, const result_t *); static void grow_results (void); static const char *quote (const char *, size_t); static int result_cmp (const void *, const void *); static void results_print_one (const result_t *); static const char *error_as_string (int error); static enum output_style { SORT_BY_HOST, UNSORTED } output_style = SORT_BY_HOST; void results_style (const char *style) { if (strcasecmp (style, "sort-by-host") == 0) { output_style = SORT_BY_HOST; return; } if (strcasecmp (style, "unsorted") == 0) { output_style = UNSORTED; return; } fprintf (stderr, "%s: unknown output style '%s'\n", opt_program, style); exit (EXIT_FAILURE); } void results_format (const char *format) { const char *p; format_t *f; /* Allocate the formatting descriptor array. */ format_list = new format_t[strlen (format) + 1]; p = format; f = format_list; while (*p) { if (*p == '%') { p++; switch (*p) { case '\0': fprintf (stderr, "%s: trailing '%%' in --output argument", opt_program); exit (EXIT_FAILURE); break; case 'a': f->printer = format_host; f->data = 0; f++; break; case 'b': f->printer = format_banner; f->data = 0; f++; break; case 'e': f->printer = format_error; f->data = 0; f++; break; case 'E': f->printer = format_errno; f->data = 0; f++; break; case 'n': f->printer = format_host_name; f->data = 0; f++; break; case 'N': f->printer = format_print_data; f->data = strdup("\n"); f++; break; case 'r': f->printer = format_time_relative; f->data = 0; f++; break; case 't': f->printer = format_time_local; f->data = 0; f++; break; case 'T': f->printer = format_time_utc; f->data = 0; f++; break; case '%': f->printer = format_print_data; f->data = strdup("%"); f++; break; default: fprintf (stderr, "%s: illegal pattern '%%%c' in --output argument", opt_program, *p); exit (EXIT_FAILURE); } p++; } else { /* Not a pattern, but a string. */ const char *end = p; while ((*end != '\0') && (*end != '%')) { end++; } f->printer = format_print_data; f->data = strndup(p, end - p); f++; p = end; } } f->printer = format_print_data; f->data = strdup("\n"); f++; f->printer = 0; f->data = 0; } void results_add (ticks_t timestamp, ipv4_t host, int error, const char *data, size_t length) { grow_results(); results[used].timestamp = timestamp; results[used].host = host; results[used].error = error; if (data) { results[used].banner = quote (data, length); } else { results[used].banner = ""; } if (output_style == UNSORTED) { results_print_one (results + used); } used++; } void results_add (ipv4_t host, int error, const std::string& data) { results_add (ticks_get_cached(), host, error, data.data(), data.size()); } void results_add (ipv4_t host, const std::string& data) { results_add (ticks_get_cached(), host, 0, data.data(), data.size()); } void results_add_unquoted (ipv4_t host, int error, const std::string& msg) { grow_results(); results[used].timestamp = ticks_get_cached(); results[used].host = host; results[used].error = error; results[used].banner = strdup(msg.c_str()); if (output_style == UNSORTED) { results_print_one (results + used); } used++; } void results_add_unquoted (ipv4_t host, const std::string& msg) { results_add_unquoted(host, 0, msg); } void results_print () { unsigned j; if (output_style == UNSORTED) { return; /* already printed */ } qsort (results, used, sizeof (result_t), result_cmp); for (j = 0; j < used; j++) { results_print_one (results + j); } } unsigned results_count (void) { return used; } static int result_cmp (const void *a, const void *b) { result_t *left = (result_t *)a; result_t *right = (result_t *)b; if (left->host < right->host) { return -1; } if (left->host > right->host) { return 1; } return 0; } static void grow_results (void) { if (results == 0) { allocated = 256; } else { if (used < allocated) { /* Nothing to do, enough space. */ return; } allocated *= 2; } results = static_cast(realloc (results, allocated * sizeof (result_t))); } static const char * quote (const char *data, size_t length) { const char *source; char *target, *result; char buffer[length * 4 + 1]; unsigned ch; source = data; target = buffer; while (source < (data + length)) { ch = (unsigned char)*source; switch (ch) { case '\t': *(target++) = '\\'; *(target++) = 't'; break; case '\r': *(target++) = '\\'; *(target++) = 'r'; break; case '\n': *(target++) = '\\'; *(target++) = 'n'; break; case '\\': *(target++) = '\\'; *(target++) = '\\'; break; default: if ((ch < ' ') || (ch > '~')) { /* This assumes ASCII. */ *(target++) = '\\'; *(target++) = '0' + ((ch >> 6) & 7); *(target++) = '0' + ((ch >> 3) & 7); *(target++) = '0' + (ch & 7); } else { *(target++) = *source; } } source++; } *(target++) = 0; result = new char[target - buffer]; memcpy (result, buffer, target - buffer); return result; } static void results_print_one (const result_t *result) { const format_t *f = format_list; while (f->printer) { f->printer (f, result); f++; } } static const char * error_as_string (int error) { switch (error) { case 0: return ""; #define X(e) case e: return #e X(EACCES); X(ECONNREFUSED); X(ECONNRESET); X(EHOSTUNREACH); X(ENETUNREACH); X(EPERM); X(EPIPE); X(ETIMEDOUT); #undef X case RESULTS_ERROR_NOMATCH: return "no match"; case RESULTS_ERROR_NODATA: return "no data"; default: return "unknown"; } } static void format_host (const format_t *format, const result_t *result) { ipv4_string_t a; ipv4_address_to_string (result->host, a); printf ("%s", a); } static void format_host_name (const format_t *format, const result_t *result) { struct in_addr in; struct hostent *he; in.s_addr = htonl (result->host); #ifdef GETHOSTBYADDR_ACCEPTS_IN_ADDR he = gethostbyaddr (&in, sizeof (in), AF_INET); #else #ifdef GETHOSTBYADDR_ACCEPTS_CHAR he = gethostbyaddr (reinterpret_cast(&in), sizeof (in), AF_INET); #else #error Type of first argument to gethostbyaddr() is not known. #endif #endif if (he) { printf ("%s", he->h_name); } else { /* No address. */ format_host (format, result); } } static void format_banner (const format_t *format, const result_t *result) { printf ("%s", result->banner); } static void format_error (const format_t *format, const result_t *result) { printf ("%s", error_as_string (result->error)); } static void format_errno (const format_t *format, const result_t *result) { printf ("%d", result->error); } static void format_time_relative (const format_t *format, const result_t *result) { printf ("%u.%03u", result->timestamp / 1000, result->timestamp % 1000); } static void format_time_local (const format_t *format, const result_t *result) { ticks_string_t t; ticks_to_string_local (result->timestamp, t); printf ("%s", t); } static void format_time_utc (const format_t *format, const result_t *result) { ticks_string_t t; ticks_to_string_utc (result->timestamp, t); printf ("%s", t); } static void format_print_data (const format_t *format, const result_t *result) { printf ("%s", format->data); } doscan-0.3.3/src/results.h0000644000175000017500000000360312422007725013242 0ustar fwfw/* doscan - Denial Of Service Capable Auditing of Networks * Copyright (C) 2003 Florian Weimer * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef RESULTS_H #define RESULTS_H #include "ipv4.h" #include "ticks.h" #include #include #include #define RESULTS_ERROR_NOMATCH (-1) #define RESULTS_ERROR_NODATA (-2) void results_style (const char *style); /* Set the output style (e.g. "unsorted"). */ void results_format (const char *); /* Sets the output format, for the --output option. */ void results_add (ticks_t, ipv4_t, int, const char *, size_t); /* Record error and/or message from host. Stores a duplicate of the input data. */ void results_add (ipv4_t, int, const std::string&); void results_add (ipv4_t, const std::string&); /* Like above. Uses ticks_get_cached(). The second variant does not signal an error.*/ void results_add_unquoted (ipv4_t, const std::string&); void results_add_unquoted (ipv4_t, int, const std::string&); /* Adds the string to the result list without quoting. Uses * ticks_get_cached(). */ void results_print (void); /* Prints all results to stdout. */ unsigned results_count (void); /* Counts the number of result records recorded so far. */ #endif /* RESULTS_H */ doscan-0.3.3/src/rx.cc0000644000175000017500000000664112422007727012337 0ustar fwfw/* doscan - Denial Of Service Capable Auditing of Networks -*- C++ -*- * Copyright (C) 2003 Florian Weimer * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include "config.h" #include "rx.h" #include // rx rx::rx(const char* pattern, int options) throw (error) { const char *err; int offset; regexp = pcre_compile(pattern, options, &err, &offset, 0); if (regexp == 0) { throw error(err, offset); } pcre_fullinfo(regexp, 0, PCRE_INFO_CAPTURECOUNT, &capture_count); } rx::~rx() { free(regexp); } bool rx::exec(const std::string& data, unsigned offset, int options) const { // pcre_exec() might need to store the matches for backreferences in // the pattern, so we always pass the ovector array of the suitable // length. int ovecsize = (capture_count + 1) * 3; int ovector[ovecsize]; int result = pcre_exec(regexp, 0, data.data(), data.size(), offset, options, ovector, ovecsize); if (result >= 0) { return true; } else if (result == PCRE_ERROR_NOMATCH) { return false; } else { throw match_error(result); } } bool rx::exec(const std::string& data, match& m, unsigned offset, int options) const { // pcre_exec() might need to store the matches for backreferences in // the pattern, so we always pass the ovector array of the suitable // length. int ovecsize = (capture_count + 1) * 3; int ovector[ovecsize]; int result = pcre_exec(regexp, 0, data.data(), data.size(), offset, options, ovector, ovecsize); if (result > 0) { m.first = data.begin() + ovector[0]; m.last = data.begin() + ovector[1]; return true; } else if (result == 0 || result == PCRE_ERROR_NOMATCH) { m.first = m.last = data.begin(); return false; } else { throw match_error(result); } } bool rx::exec(const std::string& data, matches& m, unsigned offset, int options) const { // pcre_exec() might need to store the matches for backreferences in // the pattern, so we always pass the ovector array of the suitable // length. int ovecsize = (capture_count + 1) * 3; int ovector[ovecsize]; int result = pcre_exec(regexp, 0, data.data(), data.size(), offset, options, ovector, ovecsize); if (result >= 0) { m.set(data, ovector, ovecsize); return true; } else if (result == PCRE_ERROR_NOMATCH) { m.clear(); return false; } else { throw match_error(result); } } // matches void rx::matches::set(const std::string& data, int *ovector, int ovecsize) { unsigned count = ovecsize / 3; const std::string::const_iterator begin = data.begin(); array.resize(count); for (unsigned j = 0; j < count; j++) { array[j].first = begin + ovector[2 * j]; array[j].last = begin + ovector[2 * j + 1]; } } doscan-0.3.3/src/rx.h0000644000175000017500000000665112422007731012175 0ustar fwfw/* doscan - Denial Of Service Capable Auditing of Networks -*- C++ -*- * Copyright (C) 2003 Florian Weimer * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef RX_H #define RX_H #include #include #include class rx { pcre* regexp; int capture_count; public: class error { std::string message; int m_offset; public: error(const char*, int); const std::string& str() const; int offset() const; }; rx(const char*, int options = 0) throw (error); ~rx(); unsigned captures() const; struct match { match(); match(std::string::const_iterator, std::string::const_iterator); std::string::const_iterator first; std::string::const_iterator last; std::string data() const; }; class matches { friend class rx; std::vector array; // set() is invoked by rx::exec() to store the result. clear() // empties the array in case of errors. void set(const std::string&, int *, int); void clear(); public: matches(); const match& operator[](unsigned pos) const; // Constructs a result string by copying from data. std::string operator()(unsigned pos, const std::string& data); }; // Thrown by exec() if an error is encountered (besides a non-match). class match_error { int error_code; public: match_error(int); int code() const; }; // Match the regular expression against data. Note that the data // argument must not be a temporary object if match objects are // collected. bool exec(const std::string& data, unsigned offset = 0, int options = 0) const; bool exec(const std::string& data, match&, unsigned offset = 0, int options = 0) const; bool exec(const std::string& data, matches&, unsigned offset = 0, int options = 0) const; }; // rx inline unsigned rx::captures() const { return capture_count; } // error inline rx::error::error(const char* err, int offset) : message(err), m_offset(offset) { } inline const std::string& rx::error::str() const { return message; } inline int rx::error::offset() const { return m_offset; } // match inline rx::match::match() { } inline rx::match::match(std::string::const_iterator f, std::string::const_iterator l) : first(f), last(l) { } inline std::string rx::match::data() const { return std::string(first, last); } // matches inline rx::matches::matches() { } inline const rx::match& rx::matches::operator[](unsigned pos) const { if (pos < array.size()) { return array[pos]; } else { abort(); } } inline void rx::matches::clear() { array.clear(); } // match_error inline rx::match_error::match_error(int code) : error_code(code) { } inline int rx::match_error::code() const { return error_code; } #endif // RX_H doscan-0.3.3/src/scan.cc0000644000175000017500000001604712422007733012630 0ustar fwfw/* doscan - Denial Of Service Capable Auditing of Networks * Copyright (C) 2003 Florian Weimer * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ /* Implementation notes * * This file contains the main scanning engine. There is some room * for improvement. We certainly should use a slow-start algorithm. * The current one suits the name of the tool rather nicely, but it * has a tendency of missing hosts, too. */ #include "config.h" #include "opt.h" #include "proto.h" #include "results.h" #include "scan.h" #include "subnets.h" #include "ticks.h" #include #include #include #include #include static struct pollfd *polls = 0; static scan_host_t *hosts = 0; static unsigned hosts_used; /* Number of entries in hosts actually touched so far. */ static unsigned hosts_active; /* Hosts actually active (grows at the beginning, shrinks at the end). Always less than or equal to hosts_used. */ static void allocate (void); /* Allocates polls, hosts and performs basic initialization (hosts[j].poll, hosts_used). */ ticks_t timeout; /* Timeout for next poll */ static void update_timeout (ticks_t); /* Update timeout value if argument is sooner. */ static void add_host (subnets& nets); /* Adds a single host to the hosts array. */ static void replace_host (subnets& nets, scan_host_t *); /* Replaces a given entry in the hosts array. */ static void add_more_hosts (subnets& nets); /* Add more hosts if necessary. */ static void process_hosts (subnets& nets); /* Scans the lists of hosts and invokes callbacks as necessary. Timed-out entries are removed. */ static unsigned relative_timeout (ticks_t base); /* Returns the relativ time from timeout to base (truncated at zero). */ static void invoke_poll (void); /* Invoke poll as required. */ static void show_progress (subnets& nets, int); /* Show progress, if necessary. */ void scan (subnets& nets) { allocate (); if (!proto_start (nets)) { return; } for (;;) { ticks_get (); /* update cache */ timeout = TICKS_LAST; add_more_hosts (nets); process_hosts (nets); if (hosts_active == 0) { break; } show_progress (nets, 0); invoke_poll (); } show_progress (nets, 1); } static void allocate (void) { unsigned j; if (polls == 0) { polls = new pollfd[opt_fd_count]; } if (hosts == 0) { hosts = new scan_host_t[opt_fd_count]; } hosts_used = 0; for (j = 0; j < opt_fd_count; j++) { polls[j].fd = -1; polls[j].events = 0; polls[j].revents = 0; hosts[j].poll = polls + j; hosts[j].state = 0; } } static void update_timeout (ticks_t new_timeout) { if (new_timeout < timeout) { timeout = new_timeout; } } static void add_host (subnets& nets) { replace_host (nets, hosts + hosts_used); if (hosts[hosts_used].poll->fd != -1) { hosts_used++; } } static void replace_host (subnets& nets, scan_host_t *s) { /* Host was active, close socket. */ if (s->poll->fd != -1) { if (s->close_callback) { s->close_callback (s); } close (s->poll->fd); hosts_active--; } s->poll->fd = -1; s->poll->events = 0; s->poll->revents = 0; while (s->poll->fd == -1) { if (nets.finished ()) { return; } s->host = nets.next (); s->poll->fd = -1; proto_open (s); } if (s->poll->events == 0) { abort (); } hosts_active++; if (s->timeout == 0) { abort (); } if (s->io_callback == 0) { abort (); } if (s->poll->events == 0) { abort (); } update_timeout (s->timeout); } static void add_more_hosts (subnets& nets) { static ticks_t add_timeout = 0; if (hosts_used < opt_fd_count) { if (!hosts_active || (ticks_get_cached () > add_timeout)) { unsigned to_add, j; to_add = opt_fd_count - hosts_used; if (to_add > opt_add_burst) { to_add = opt_add_burst; } for (j = 0; j < to_add; j++) { add_host (nets); } if (hosts_used != opt_fd_count) { add_timeout = ticks_get_cached () + opt_add_timeout; update_timeout (add_timeout); } } else { update_timeout (add_timeout); } } } static void process_hosts (subnets& nets) { unsigned j; ticks_t ticks = ticks_get_cached (); for (j = 0; j < hosts_used; j++) { if (hosts[j].poll->fd == -1) { /* unused entry */ continue; } if (hosts[j].poll->revents) { hosts[j].io_callback (hosts + j); } else { if (ticks > hosts[j].timeout) { /* Entry expired. */ replace_host (nets, hosts + j); } } if ((hosts[j].timeout == 0) || (hosts[j].io_callback == 0)) { /* Close socket as requested by callback. */ replace_host (nets, hosts + j); } update_timeout (hosts[j].timeout); } } static unsigned relative_timeout (ticks_t base) { if (base > timeout) { return 0; } else { return timeout - base; } } static void invoke_poll (void) { unsigned poll_timeout = relative_timeout (ticks_get_cached ()); unsigned min_poll_timeout; if (timeout == TICKS_LAST) { /* must not happen, all operations must be controlled by timeouts */ abort (); } /* Limit the poll timeout so that we can take a few timeouts at once. If we are still adding new hosts, use opt_add_timeout as limit, otherwise use min_poll_timeout. */ if (hosts_used == opt_fd_count) { min_poll_timeout = opt_add_timeout; } else { min_poll_timeout = 100; } if (poll_timeout < min_poll_timeout) { poll_timeout = min_poll_timeout; } while (poll (polls, hosts_used, poll_timeout) == -1) { int err = errno; if (err == EINTR) { poll_timeout = relative_timeout (ticks_get ()); continue; } fprintf (stderr, "%s: poll failed: %s", opt_program, strerror (err)); exit (EXIT_FAILURE); } } static void show_progress (subnets& nets, int final) { static ticks_t progress_timeout = 0; int show = 0; if (! opt_indicator) { return; } if (progress_timeout < ticks_get_cached ()) { /* Update progress indicator at most every 500 milliseconds. */ progress_timeout = ticks_get_cached () + 500; show = 1; } if (final) { show = 1; } if (show) { fprintf (stderr, "%u of %u connected, %u active, %u reported %s", nets.hosts_processed(), nets.hosts_total(), hosts_active, results_count (), final ? "\n" : "\r"); fflush (stderr); } } doscan-0.3.3/src/scan.h0000644000175000017500000000372512422007736012474 0ustar fwfw/* doscan - Denial Of Service Capable Auditing of Networks * Copyright (C) 2003 Florian Weimer * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef SCAN_H #define SCAN_H #include "ipv4.h" #include "subnets.h" #include "ticks.h" #include struct scan_host_t; typedef void (*scan_callback_t) (struct scan_host_t *); /* Called when a descriptor is ready for I/O, or is about to close. Should change the state, io_callback and close_callback structure fields as necessary. If io_callback or timeout are null pointers, close_callback is called, and the socket is closed. The callback should update the timeout field (it is measured in milliseconds). If the timeout passes without further activity, close_callback is called and the socket is closed. The error field can be set to a non-zero errno value. In this case, the socket is closed (and close_callback is called, but at most once). close_callback must not close the socket. The fields poll, poll->sockfd and host must not be modified by any callback routine. */ typedef struct scan_host_t { struct pollfd *poll; ticks_t timeout; ipv4_t host; void *state; scan_callback_t io_callback, close_callback; } scan_host_t; void scan(subnets&); /* Starts TCP scanning, using the selected protocol module. */ #endif doscan-0.3.3/src/scan_tcp.cc0000644000175000017500000001706712422007742013501 0ustar fwfw/* doscan - Denial Of Service Capable Auditing of Networks -*- C++ -*- * Copyright (C) 2003, 2005 Florian Weimer * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include "config.h" #include "opt.h" #include "scan_tcp.h" #include "results.h" #include #include #include #include #include #include #include #include #include #include #include #ifdef HAVE_SYS_FILIO_H #include #endif // tcp_handler tcp_client_handler::tcp_client_handler(event_queue& q, ipv4_t host, unsigned short port) : fd_handler(q, make_connection(host, port), watch_write), the_host(host), the_port(port) { } tcp_client_handler::~tcp_client_handler() { if (fd() >= 0) { int d = fd(); unwatch(); close(d); } } int tcp_client_handler::make_connection(ipv4_t host, unsigned short port) { int sockfd = socket(AF_INET, SOCK_STREAM, 0); if (sockfd == -1) { int err = errno; ipv4_string_t a; // If we encounter an error at this point, it is not actually // network-related, so we bail out immediately. ipv4_address_to_string (host, a); fprintf (stderr, "%s: could not create socket for %s, error was: %s\n", opt_program, a, strerror (err)); fprintf (stderr, "%s: try the '--connections' option with a smaller value\n", opt_program); exit (EXIT_FAILURE); } // Make socket non-blocking. int flags = fcntl (sockfd, F_GETFL, 0); if (fcntl (sockfd, F_SETFL, flags | O_NONBLOCK) == -1) { int err = errno; ipv4_string_t a; // Again, this error is not network-related. ipv4_address_to_string (host, a); fprintf (stderr, "%s: could not set non-blocking mode for %s, error was: %s\n", opt_program, a, strerror (err)); exit (EXIT_FAILURE); } struct sockaddr_in sa; memset (&sa, 0, sizeof (sa)); sa.sin_family = AF_INET; sa.sin_port = htons (port); sa.sin_addr.s_addr = htonl (host); if (connect (sockfd, (struct sockaddr *)&sa, sizeof (sa)) == -1) { int err = errno; if (err != EINPROGRESS) { close (sockfd); if (opt_net_errors) { results_add (ticks_get_cached (), host, err, 0, 0); } return -1; } } return sockfd; } int tcp_client_handler::get_error(int fd) { int error = 0; socklen_t len = sizeof(error); errno = 0; if (getsockopt(fd, SOL_SOCKET, SO_ERROR, &error, &len) >= 0) { // Non-Solaris case: error is overwritten with the error code, // Nothing to do. } else { // Solaris case: errno has the error code. error = errno; } return error; } // tcp_half_duplex_handler tcp_half_duplex_handler::tcp_half_duplex_handler(event_queue& queue, ipv4_t host, unsigned short port) : tcp_client_handler(queue, host, port), next_state(0), next_is_read(false), offset(0) { if (fd() == -1) { // An error occured. We want to collect the timeout immediately. set_immediate_timeout(); } } bool tcp_half_duplex_handler::on_timeout(ticks_t) { // There is no file descriptor, terminate immediately. if (fd() == -1) { return false; } if (next_is_read) { // Truncate string to the length which has actually been read. data.resize(offset); } else { data.clear(); } ready(next_state, ETIMEDOUT, data); return false; } void tcp_half_duplex_handler::request_data(int new_state, unsigned count) { data.clear(); offset = 0; request_more_data(new_state, count); } void tcp_half_duplex_handler::request_more_data(int new_state, unsigned count) { offset = data.size(); data.resize(data.size() + count); next_is_read = true; stop = false; watch(watch_read); } void tcp_half_duplex_handler::send(int new_state, const std::string& data_to_send) { data = data_to_send; next_state = new_state; offset = 0; next_is_read = false; stop = false; watch(watch_write); } void tcp_half_duplex_handler::reconnect(int new_state, bool first_read) { next_state = new_state; data.clear(); offset = 0; int new_fd = make_connection(host(), port()); int old_fd = fd(); unwatch(); close(old_fd); if (new_fd != -1) { next_is_read = first_read; watch(new_fd, first_read ? watch_read : watch_write); stop = false; } else { set_immediate_timeout(); stop = true; } } bool tcp_half_duplex_handler::on_activity(activity act) { // send(), reqest_data(), request_more_data() will set this variable // to true. stop = true; if (next_is_read) { return on_activity_read(act); } else { return on_activity_write(act); } } bool tcp_half_duplex_handler::on_activity_read(activity act) { switch (act) { case activity_read: case activity_read_write: case activity_error: break; case activity_write: abort(); } int remaining = data.size() - offset; if (remaining <= 0) { // This means that the available data was requested. First, we // have to discover the amount of data. int result = ioctl(fd(), FIONREAD, &remaining); if (result == -1) { int err = errno; // No resizing is necessary. ready(next_state, err, data); return false; } else { if (remaining == 0) { remaining = 1; } // Grow data as necessay. data.resize(data.size() + remaining); } } int result = ::read(fd(), &data[offset], remaining); if (result == -1) { int err = errno; data.resize(offset); ready(next_state, err, data); return false; } else if (result == 0) { // Empty reply, other side is closing. data.resize(offset); ready(next_state, 0, data); return false; } else { offset += result; if (offset == data.size()) { // Read operation has completed. std::string copy(data); next_is_read = false; offset = 0; ready(next_state, 0, copy); return !stop; } else { return true; } } } bool tcp_half_duplex_handler::on_activity_write(activity act) { switch (act) { case activity_write: case activity_read_write: case activity_error: break; case activity_read: abort(); } if (data.size() == 0) { // There is no data, go and fetch some. std::string empty; ready(next_state, 0, empty); if (stop || data.size() == 0) { return false; } } unsigned remaining = data.size() - offset; int result = ::write(fd(), &data[offset], remaining); if (result == -1) { int err = errno; data.clear(); offset = 0; ready(next_state, err, data); return false; } offset += remaining; if (offset == data.size()) { data.clear(); next_is_read = false; offset = 0; std::string empty; ready(next_state, 0, empty); return !stop; } else { // Continue writing. return true; } } doscan-0.3.3/src/scan_tcp.h0000644000175000017500000001015612422010073013322 0ustar fwfw/* doscan - Denial Of Service Capable Auditing of Networks -*- C++ -*- * Copyright (C) 2003 Florian Weimer * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef SCAN_TCP_H #define SCAN_TCP_H #include "event_queue.h" #include "ipv4.h" #include class tcp_client_handler : public event_queue::fd_handler { tcp_client_handler(); ipv4_t the_host; unsigned short the_port; public: // Opens a new TCP connection to the specified host/port. // on_activity() is invoked as soon as the connection has been // established, with state == 0. on_activity() should check for // errors (using get_error()) and invoke watch() to react upon the // correct descriptor activity. tcp_client_handler(event_queue&, ipv4_t host, unsigned short port); virtual ~tcp_client_handler(); // Returns information about the connection. ipv4_t host(); unsigned short port(); // Creates non-blocking socket and invoke connect(). Returns -1 on // error. static int make_connection(ipv4_t host, unsigned short port); // Returns the pending error code for fd, or 0 if no error. Might // change errno. It's recommended to invoke this routine // unconditionally after connect() because error signaling is not // portable (e.g. Solaris does not set POLLERR). static int get_error(int fd); // The same, but works on the fd() descriptor. int get_error(); }; class tcp_half_duplex_handler : public tcp_client_handler { tcp_half_duplex_handler(); int next_state; bool next_is_read, stop; std::string data; unsigned offset; // Override routines inherited from fd_handler. virtual bool on_timeout(ticks_t); virtual bool on_activity(activity); bool on_activity_read(activity); bool on_activity_write(activity); public: // Open a half-duplex TCP connection to host:port. When called for // the first time (with state == 0), ready() should check for // pending connect() errors using get_error(). // // If the connect attempt fails, ready() or send_ready() are never // called. tcp_half_duplex_handler(event_queue&, ipv4_t host, unsigned short port); // ready() is called when the requested amount of data has been // received, or a send operation has completed and some data has // been received. // // An implementation in a derived class should call request_data(), // request_more_data() // or send(). If it does not, the // connection is closed. virtual void ready(int state, int error, const std::string& data) = 0; // request_data() should be called by ready() to request more data. // If count bytes are received, ready() is invoked again, with the // given state. (If count is zero, all the data in the TCP socket // buffer is read.) void request_data(int new_state, unsigned count = 0); // request_more_data() is like request_data(), only the data is // appended to the existing buffer. void request_more_data(int new_state, unsigned count = 0); // send() should be called by ready() to send the specified data. // After completion, ready() is invoked with the new state. void send(int new_state, const std::string& data); // Closes the current connection and tries to establish a new one. void reconnect(int new_state, bool first_read); }; // tcp_handler inline ipv4_t tcp_client_handler::host() { return the_host; } inline unsigned short tcp_client_handler::port() { return the_port; } inline int tcp_client_handler::get_error() { return get_error(fd()); } #endif // SCAN_TCP_H doscan-0.3.3/src/scan_trigger.cc0000644000175000017500000000652712422007752014356 0ustar fwfw/* doscan - Denial Of Service Capable Auditing of Networks -*- C++ -*- * Copyright (C) 2003 Florian Weimer * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include "config.h" #include "opt.h" #include "results.h" #include "scan_trigger.h" #include "subnets.h" #include // trigger_handler scan_trigger::trigger_handler::trigger_handler(event_queue& q, subnets& n, scan_trigger& t, scan_trigger::handler& h, unsigned max, unsigned delay, unsigned size) : handler(q), nets(n), trigger(t), connect_handler(h), count(0), maximum(max), burst_delay(delay), burst_size(size), last_indicator(ticks_get_cached()) { set_immediate_timeout(); } bool scan_trigger::trigger_handler::on_timeout(ticks_t) { if (opt_indicator && ticks_get_cached() > (last_indicator + 500)) { last_indicator = ticks_get_cached(); fprintf (stderr, "%u of %u connected, %u active, %u reported \r", nets.hosts_processed(), nets.hosts_total(), count, results_count()); fflush (stderr); } unsigned to_add = maximum - count; if (to_add > burst_size) { to_add = burst_size; } for (unsigned j = 0; j < to_add; ++j) { if (nets.finished()) { if (count != 0) { // Wait for pending terminations. if (opt_indicator) { set_relative_timeout(1000); } else { set_infinite_timeout(); } return true; } else { // All connections have been terminated. if (opt_indicator) { fprintf (stderr, "%u of %u connected, %u active, %u reported \n", nets.hosts_processed(), nets.hosts_total(), count, results_count()); fflush (stderr); } connect_handler.all_connected(); return false; } } ++count; connect_handler.connect(queue(), trigger, nets.next()); } set_relative_timeout(burst_delay); return true; } void scan_trigger::trigger_handler::finish() { if (count == 0) { abort(); } --count; if (count == 0) { set_immediate_timeout(); } } // handler scan_trigger::handler::~handler() { } void scan_trigger::handler::all_connected() { } // scan_trigger scan_trigger::scan_trigger(event_queue& q, subnets& n, handler& h, unsigned maximum, unsigned burst_delay , unsigned burst_size) { trigger = new trigger_handler(q, n, *this, h, maximum, burst_delay, burst_size); } doscan-0.3.3/src/scan_trigger.h0000644000175000017500000000644312422007754014217 0ustar fwfw/* doscan - Denial Of Service Capable Auditing of Networks -*- C++ -*- * Copyright (C) 2003 Florian Weimer * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef SCAN_TRIGGER_H #define SCAN_TRIGGER_H #include "event_queue.h" #include "ipv4.h" #include "subnets.h" /* * The scan_trigger class implements a handler that regularly triggers * connections until a maximum number of parallel connections is * reached. * * In order to use this class, you have to derive from * scan_trigger::handler and override the connect() member function. * You may also override all_connected(), if you need a notification * when the scanning has stopped. (By default, this routine does * nothing.) * */ class scan_trigger { public: class handler { public: virtual ~handler(); virtual void connect(event_queue&, scan_trigger&, ipv4_t) = 0; virtual void all_connected(); }; template class default_handler : public handler { class internal : Handler { scan_trigger& trigger; public: internal(event_queue&, scan_trigger&, ipv4_t); virtual ~internal(); }; public: virtual void connect(event_queue&, scan_trigger&, ipv4_t); }; scan_trigger(event_queue& queue, subnets&, handler&, unsigned maximum, unsigned burst_delay, unsigned burst_size); void finish(); private: class trigger_handler : public event_queue::handler { subnets& nets; scan_trigger& trigger; scan_trigger::handler& connect_handler; unsigned count, maximum, burst_delay, burst_size; ticks_t last_indicator; public: trigger_handler(event_queue&, subnets&, scan_trigger&, scan_trigger::handler&, unsigned maximum, unsigned burst_delay, unsigned burst_size); virtual bool on_timeout(ticks_t); void finish(); }; trigger_handler* trigger; }; // scan_trigger inline void scan_trigger::finish() { trigger->finish(); } // default_handler template scan_trigger::default_handler::internal::internal(event_queue& q, scan_trigger& t, ipv4_t host) : Handler(q, host), trigger(t) { } template scan_trigger::default_handler::internal::~internal() { trigger.finish(); } template void scan_trigger::default_handler::connect(event_queue& q, scan_trigger& t, ipv4_t host) { new internal(q, t, host); } #endif // SCAN_TRIGGER_H doscan-0.3.3/src/scan_udp.cc0000644000175000017500000001250012422007756013473 0ustar fwfw/* doscan - Denial Of Service Capable Auditing of Networks * Copyright (C) 2003 Florian Weimer * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include "config.h" #include "opt.h" #include "scan_udp.h" #include #include #include #include // scan_udp_single::handler scan_udp_single::handler::~handler() { } // scan_udp_single::send_trigger scan_udp_single::send_trigger::send_trigger(scan_udp_single& s) : scanner(s) { } void scan_udp_single::send_trigger::connect(event_queue& q, scan_trigger& t, ipv4_t host) { sender *s = new sender(scanner, host); scanner.senders[host] = s; } void scan_udp_single::send_trigger::all_connected() { scanner.the_listener->unwatch(); close(scanner.listen_fd); } // scan_udp_single::sender scan_udp_single::sender::sender(scan_udp_single& s, ipv4_t addr) : event_queue::handler(s.queue), scanner(s), host(addr), retries(scanner.retries) { address.sin_family = AF_INET; address.sin_addr.s_addr = htonl(addr); address.sin_port = htons(opt_port); the_handler = scanner.handler_template.clone(); } scan_udp_single::sender::~sender() { delete the_handler; scanner.senders.erase(host); scanner.trigger.finish(); } bool scan_udp_single::sender::do_send() { the_handler->create_query(host, data); int result = sendto(scanner.listen_fd, data.data(), data.size(), 0, // flags reinterpret_cast(&address), sizeof(address)); if (result == -1) { if (opt_net_errors) { results_add (ticks_get(), host, errno, 0, 0); } // Only some errors are fatal; in the case of others, we retry. switch (errno) { case ENETUNREACH: case EHOSTUNREACH: case EPERM: case EACCES: return false; } } return true; } void scan_udp_single::sender::stop_sending() { retries = -1; set_immediate_timeout(); } bool scan_udp_single::sender::on_timeout(ticks_t ticks) { switch (retries) { case -1: return false; case 0: the_handler->timeout(host, ticks); return false; } do_send(); --retries; set_relative_timeout(scanner.timeout); return true; } // scan_udp_single::listneer scan_udp_single::listener::listener(scan_udp_single& s) : fd_handler(s.queue, s.listen_fd, watch_read), scanner(s) { set_infinite_timeout(); } bool scan_udp_single::listener::on_activity(activity) { char data[65536]; sockaddr_in address; socklen_t len = sizeof(address); int result = recvfrom(scanner.listen_fd, data, sizeof(data), 0, reinterpret_cast(&address), &len); if (result < 0) { fprintf(stderr, "%s: could receive from UDP socket, error was: %s\n", opt_program, strerror(errno)); exit (EXIT_FAILURE); } const ipv4_t host = ntohl(address.sin_addr.s_addr); unsigned short port = ntohs(address.sin_port); senders_t::iterator p = scanner.senders.find(host); if (p == scanner.senders.end()) { if (opt_verbose && opt_net_errors) { ipv4_string_t a; ipv4_address_to_string (host, a); fprintf(stderr, "%s: warning: stray UDP packet from %s:%u\n", opt_program, a, static_cast(port)); } } else { p->second->the_handler->reply_received(host, port, std::string(data, result)); p->second->stop_sending(); } return true; } bool scan_udp_single::listener::on_timeout(ticks_t) { abort(); // can't happen } // scan_udp_single scan_udp_single::scan_udp_single(event_queue& q, subnets& n, handler& h, unsigned maximum, unsigned burst_delay, unsigned burst_size, unsigned retry_count, unsigned retry_timeout) : queue(q), handler_template(h), trigger_handler(*this), trigger(q, n, trigger_handler, maximum, burst_delay, burst_size), retries(retry_count), timeout(retry_timeout) { listen_fd = socket(PF_INET, SOCK_DGRAM, 0); if (listen_fd < 0) { fprintf(stderr, "%s: could not create UDP socket, error was: %s\n", opt_program, strerror(errno)); exit (EXIT_FAILURE); } sockaddr_in address; address.sin_family = AF_INET; address.sin_port = htons(0); address.sin_addr.s_addr = htonl(0); int result = bind(listen_fd, reinterpret_cast(&address), sizeof(address)); if (result < 0) { fprintf(stderr, "%s: could not listen on UDP socket, error was: %s\n", opt_program, strerror(errno)); exit (EXIT_FAILURE); } new send_trigger(*this); the_listener = new listener(*this); } doscan-0.3.3/src/scan_udp.h0000644000175000017500000000636412422007760013343 0ustar fwfw/* doscan - Denial Of Service Capable Auditing of Networks -*- C++ -*- * Copyright (C) 2003 Florian Weimer * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef SCAN_UDP_H #define SCAN_UDP_H #include "event_queue.h" #include "results.h" #include "scan_trigger.h" #include "subnets.h" #include #include #include #include #include #include class scan_udp_single { scan_udp_single(const scan_udp_single&); public: struct handler { virtual ~handler(); // clone() creates a new, independent handler. Invoked as a // factory method. virtual handler* clone() const = 0; virtual void create_query(ipv4_t, std::string& data) = 0; virtual void reply_received(ipv4_t host, unsigned short remote_port, const std::string& data) = 0; virtual void timeout(ipv4_t host, ticks_t ticks) = 0; }; private: event_queue& queue; int listen_fd; const handler& handler_template; class send_trigger : public scan_trigger::handler { scan_udp_single& scanner; public: send_trigger(scan_udp_single&); virtual void connect(event_queue&, scan_trigger&, ipv4_t); virtual void all_connected(); }; send_trigger trigger_handler; scan_trigger trigger; class listener : public event_queue::fd_handler { scan_udp_single& scanner; public: listener(scan_udp_single&); virtual bool on_activity(activity); virtual bool on_timeout(ticks_t); }; class sender : public event_queue::handler { friend class listener; scan_udp_single::handler* the_handler; scan_udp_single& scanner; ipv4_t host; std::string data; // retries counts the remaining number of retransmits. // Special values are: // 0: Return false on next timeout (deallocation) -- timeout // -1: Same, but no timeout (manually triggered termination) int retries; sockaddr_in address; bool do_send(); public: sender(scan_udp_single&, ipv4_t); virtual ~sender(); void stop_sending(); virtual bool on_timeout(ticks_t); }; // retries_count specifies the number of retries to send. unsigned retries; // retries_timeout specifies the number of milliseconds before a // retry packet is sent. unsigned timeout; typedef std::map senders_t; senders_t senders; listener* the_listener; public: scan_udp_single(event_queue&, subnets&, handler&, unsigned maximum, unsigned burst_delay, unsigned burst_size, unsigned retries, unsigned timeout); }; #endif // SCAN_UDP_H doscan-0.3.3/src/subnets.cc0000644000175000017500000001633312422007761013366 0ustar fwfw/* doscan - Denial Of Service Capable Auditing of Networks * Copyright (C) 2003, 2005 Florian Weimer * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ /* Implementation notes * * We use a table of mask/multiplier pairs (see 'multipliers' below) * to implement prefix-specific PRNGs. A linear congruential * generator (LCG) is used, with the specified multiplier, the * additive constant 1, and a modulus which is one larger than the * specified width. If the multiplier m and the modulus are * relatively prime, and m % 4 is 1, then the generator has maximum * period, and we scan the whole subnet. * * The multipliers given below were not chosen to suit the usual needs * of PRNGs, but we expected that this is sufficient to distribute the * load across the network. */ #include "config.h" #include "ipv4.h" #include "opt.h" #include "subnets.h" #include #include #include #include #include typedef struct { unsigned multiplier; unsigned mask; } multiplier_t; // The majority of the multipliers in the table below are NOT random, // they were chosen after running a spectral test on the corresponding // LCGs. static multiplier_t multipliers[33] = { {0, 0}, /* 0 */ {0, 0}, /* 1 */ {0, 0}, /* 2 */ {0, 0}, /* 3 */ {0, 0}, /* 4 */ {0, 0}, /* 5 */ {0, 0}, /* 6 */ {0, 0}, /* 7 */ {8000261, 0x0FFFFF}, /* 8 */ {4000237, 0x07FFFF}, /* 9 */ {2000221, 0x03FFFF}, /* 10 */ {1000069, 0x01FFFF}, /* 11 */ {521093, 0x0FFFFF}, /* 12 */ {261033, 0x07FFFF}, /* 13 */ {131301, 0x03FFFF}, /* 14 */ {101101, 0x01FFFF}, /* 15 */ {31445, 0xFFFF}, /* 16 */ {16149, 0x7FFF}, /* 17 */ {8093, 0x3FFF}, /* 18 */ {4173, 0x1FFF}, /* 19 */ {2173, 0x0FFF}, /* 20 */ {1197, 0x07FF}, /* 21 */ {501, 0x03FF}, /* 22 */ {261, 0X01FF}, /* 23 */ {137, 0xFF}, /* 24 */ {97, 0x7F}, /* 25 */ {53, 0x3F}, /* 26 */ {25, 0x1F}, /* 27 */ {9, 0xF}, /* 28 */ {1, 0x7}, /* 29 */ {1, 0x3}, /* 30 */ {1, 0x1}, /* 31 */ {1, 0x0}, /* 32 */ }; subnets::subnets() : current_address(0), next_prefix(prefixes.end()), next_address(0), processed(0), total(0) { } bool subnets::add(const char *s) { unsigned mask; ipv4_prefix_t subnet; if (!ipv4_string_to_prefix(s, &subnet)) { if (!ipv4_string_to_address(s, &subnet.network)) { fprintf (stderr, "%s: illegal prefix '%s'\n", opt_program, s); return false; } else { // Address without prefix length, assume 32. subnet.length = 32; } } if (multipliers[subnet.length].multiplier == 0) { fprintf (stderr, "%s: prefix length %d in '%s' not supported\n", opt_program, subnet.length, s); return false; } mask = multipliers[subnet.length].mask; if (subnet.network & mask) { fprintf (stderr, "%s: length of prefix %s is too short\n", opt_program, s); return false; } if (subnet.network < 0x01000000) { fprintf (stderr, "%s: prefix %s with network zero not supported\n", opt_program, s); return false; } if ((total + mask + 1) <= total) { fprintf (stderr, "%s: sorry, cannot scan this many hosts\n", opt_program); return false; } prefixes.push_back(subnet); update_next_prefix(); total += mask + 1; return true; } void subnets::update_next_prefix() { next_prefix = prefixes.begin(); if (next_prefix != prefixes.end()) { next_address = next_prefix->network; } else { next_address = 0; } } void subnets::add(char ** s, unsigned count) { unsigned j; bool errors = false; for (j = 0; j < count; j++) { if (!add(s[j])) { errors = true; } } if (errors) { exit (EXIT_FAILURE); } } void subnets::add_file(const char *name) { FILE* file = fopen(name, "r"); if (file == 0) { fprintf(stderr, "%s: failed to open, error was: %s\n", name, strerror(errno)); exit(EXIT_FAILURE); } bool errors = false; while (!feof(file)) { char buf[30]; if (fgets(buf, sizeof(buf), file)) { size_t len = strlen(buf); if (len == sizeof(buf) - 1) { fprintf(stderr, "%s: line too long\n", name); exit(EXIT_FAILURE); } if (!add(buf)) { errors = true; } } else { if (!feof(file)) { fprintf(stderr, "%s: cannot read from file\n", name); exit(EXIT_FAILURE); } } } if (errors) { exit (EXIT_FAILURE); } fclose(file); } void subnets::shuffle() { random_shuffle(prefixes.begin(), prefixes.end()); update_next_prefix(); } bool subnets::finished(void) { compute_next_address(); return next_address == 0; } ipv4_t subnets::next() { // Updates next_address as a side effect. if (finished()) { abort(); } show_progress (); current_address = next_address; next_address = 0; processed++; return current_address; } void subnets::compute_next_address (void) { ipv4_t network; unsigned host_offset, length; if (next_address != 0) { return; } if (next_prefix == prefixes.end()) { return; } network = next_prefix->network; length = next_prefix->length; host_offset = current_address - network; /* Next LCG iteration. */ host_offset = (host_offset * multipliers[length].multiplier + 1) & multipliers[length].mask; if (host_offset == 0) { // We are at the end of this prefix. Switch to the next prefix. next_prefix++; if (next_prefix != prefixes.end()) { next_address = next_prefix->network; } else { next_address = 0; } } else { next_address = network + host_offset; } } void subnets::show_progress() { if (! opt_verbose) { return; } /* Not a new prefix. */ if ((current_address & ~multipliers[next_prefix->length].mask) == next_prefix->network) { return; } if (opt_verbose) { ipv4_string_t p; static int first = 1; int linefeed; linefeed = (! first) && opt_indicator; first = 0; ipv4_prefix_to_string (&*next_prefix, p); fprintf (stderr, "%s%s: about to scan %s\n", linefeed ? "\n" : "", opt_program, p); fflush (stderr); } } doscan-0.3.3/src/subnets.h0000644000175000017500000000455112422007764013232 0ustar fwfw/* doscan - Denial Of Service Capable Auditing of Networks * Copyright (C) 2003 Florian Weimer * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef SUBNETS_H #define SUBNETS_H #include "ipv4.h" #include class subnets { typedef std::vector prefix_vector; prefix_vector prefixes; ipv4_t current_address; prefix_vector::iterator next_prefix; ipv4_t next_address; unsigned processed; unsigned total; void compute_next_address (void); void show_progress (void); // update_next_prefix() is called after prefixes has been changed. void update_next_prefix(); public: subnets(); // Registers the given subnet. On error, a message is printed to // standard error, and false is returned. bool add(const char *s); // Registers the listed subnets. List is terminated by a null // pointer. Prints a message and bails out if an error is // encountered. void add(char **, unsigned count); // Registers the subnets listed in the named file. Prints a message // to standard error and bails out if an error is encountered. void add_file(const char *); // Randomizes the list of subnets. void shuffle(); // Returns true if no more addresses are to be processed. bool finished(); // Returns the next address to be processed. Aborts is if // subnets_finished() is true. ipv4_t next(); // Returns the total number of hosts which have been processed so // far. unsigned hosts_processed(); // Returns the total number of hosts which has to be processed. unsigned hosts_total (void); }; inline unsigned subnets::hosts_processed (void) { return processed; } inline unsigned subnets::hosts_total (void) { return total; } #endif doscan-0.3.3/src/tcp_server.cc0000644000175000017500000001117412422007766014062 0ustar fwfw/* doscan - Denial Of Service Capable Auditing of Networks -*- C++ -*- * Copyright (C) 2003 Florian Weimer * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include "config.h" #include "opt.h" #include "tcp_server.h" #include #include #include #include #include #include #include #include #include #include // tcp_accept_handler tcp_accept_handler::tcp_accept_handler(event_queue& q, unsigned port) : fd_handler(q, make_server(0, port), watch_read) { set_infinite_timeout(); } tcp_accept_handler::tcp_accept_handler(event_queue& q, ipv4_t host, unsigned port) : fd_handler(q, make_server(host, port), watch_read) { set_infinite_timeout(); } tcp_accept_handler::~tcp_accept_handler() { int old_fd = fd(); if (old_fd >= 0) { unwatch(); close(old_fd); } } bool tcp_accept_handler::on_activity(activity) { struct sockaddr_in sa; socklen_t len = sizeof(sa); int result = accept(fd(), reinterpret_cast(&sa), &len); if (result >= 0) { if (sa.sin_family != AF_INET) { fprintf(stderr, "%s: accept() returned unknown socket family %u\n", opt_program, static_cast(sa.sin_family)); exit(EXIT_FAILURE); } new_connection(result, ntohl(sa.sin_addr.s_addr), ntohs(sa.sin_port)); return true; } // We ignore *all* errors. return true; } bool tcp_accept_handler::on_timeout(ticks_t) { // Only called when termination has been requested return false; } int tcp_accept_handler::make_server(ipv4_t host, unsigned short port) { int sockfd = socket(AF_INET, SOCK_STREAM, 0); if (sockfd == -1) { int err = errno; ipv4_string_t a; // If we encounter an error at this point, it is not actually // network-related, so we bail out immediately. ipv4_address_to_string (host, a); fprintf (stderr, "%s: could not create socket for %s:%u, error was: %s\n", opt_program, a, port, strerror (err)); fprintf (stderr, "%s: try the '--connections' option with a smaller value\n", opt_program); exit (EXIT_FAILURE); } // Make socket non-blocking. int flags = fcntl (sockfd, F_GETFL, 0); if (fcntl (sockfd, F_SETFL, flags | O_NONBLOCK) == -1) { int err = errno; ipv4_string_t a; // Again, this error is not network-related. ipv4_address_to_string (host, a); fprintf (stderr, "%s: could not set non-blocking mode for %s:%u, error was: %s\n", opt_program, a, port, strerror (err)); exit (EXIT_FAILURE); } // Reuse existing addresses. int one = 1; if (setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(one)) == -1) { int err = errno; ipv4_string_t a; // Again, this error is not network-related. ipv4_address_to_string (host, a); fprintf (stderr, "%s: could not reuse address for %s:%u, error was: %s\n", opt_program, a, port, strerror (err)); exit (EXIT_FAILURE); } // Bind socket to the requested address. struct sockaddr_in sa; memset (&sa, 0, sizeof (sa)); sa.sin_family = AF_INET; sa.sin_port = htons (port); sa.sin_addr.s_addr = htonl (host); if (bind (sockfd, (struct sockaddr *)&sa, sizeof (sa)) == -1) { int err = errno; ipv4_string_t a; // Again, this error is not network-related. ipv4_address_to_string (host, a); fprintf (stderr, "%s: could not bind socket to %s:%u, error was: %s\n", opt_program, a, port, strerror (err)); exit (EXIT_FAILURE); } // Now listen on the socket. if (listen (sockfd, 0) == -1) { int err = errno; ipv4_string_t a; // Again, this error is not network-related. ipv4_address_to_string (host, a); fprintf (stderr, "%s: could not listen on %s:%u, error was: %s\n", opt_program, a, port, strerror (err)); exit (EXIT_FAILURE); } return sockfd; } doscan-0.3.3/src/tcp_server.h0000644000175000017500000000506312422007770013717 0ustar fwfw/* doscan - Denial Of Service Capable Auditing of Networks -*- C++ -*- * Copyright (C) 2003 Florian Weimer * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef TCP_SERVER_H #define TCP_SERVER_H #include "event_queue.h" #include "ipv4.h" class tcp_accept_handler : public event_queue::fd_handler { virtual bool on_activity(activity); virtual bool on_timeout(ticks_t); static int make_server(ipv4_t host, unsigned short port); protected: virtual void new_connection(int fd, ipv4_t host, unsigned port) = 0; public: tcp_accept_handler(event_queue&, unsigned port); tcp_accept_handler(event_queue&, ipv4_t, unsigned port); virtual ~tcp_accept_handler(); // Schedules termination of the server. void terminate(); }; template class tcp_default_accept_handler : public tcp_accept_handler { virtual void new_connection(int fd, ipv4_t, unsigned); public: tcp_default_accept_handler(event_queue&, unsigned port); tcp_default_accept_handler(event_queue&, ipv4_t, unsigned port); }; // tcp_accept_handler inline void tcp_accept_handler::terminate() { set_immediate_timeout(); } // tcp_default_accept_handler template inline tcp_default_accept_handler::tcp_default_accept_handler(event_queue& q, unsigned port) : tcp_accept_handler(q, port) { } template inline tcp_default_accept_handler::tcp_default_accept_handler(event_queue& q, ipv4_t host, unsigned port) : tcp_accept_handler(q, host, port) { } template void tcp_default_accept_handler::new_connection(int fd, ipv4_t host, unsigned port) { new Handler(queue(), fd, host, port); } #endif // TCP_SERVER_H doscan-0.3.3/src/ticks.cc0000644000175000017500000000522312422007773013017 0ustar fwfw/* doscan - Denial Of Service Capable Auditing of Networks * Copyright (C) 2003 Florian Weimer * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include "config.h" #include "opt.h" #include "ticks.h" #include #include #include #include #include #include struct timeval epoch; ticks_t cache; static void safe_gettimeofday (struct timeval *); /* Bails out on error. */ static void ticks_to_string (ticks_t, ticks_string_t, int); void ticks_init (void) { safe_gettimeofday (&epoch); /* Initialize cache. */ ticks_get (); } ticks_t ticks_get (void) { struct timeval tv; unsigned seconds; int usecs; safe_gettimeofday (&tv); seconds = tv.tv_sec - epoch.tv_sec; usecs = tv.tv_usec - epoch.tv_usec; cache = (seconds * 1000) + (usecs / 1000); return cache; } ticks_t ticks_get_cached (void) { return cache; } void ticks_to_string_local (ticks_t source, ticks_string_t result) { ticks_to_string (source, result, 1); } void ticks_to_string_utc (ticks_t source, ticks_string_t result) { ticks_to_string (source, result, 0); } static void ticks_to_string (ticks_t source, ticks_string_t result, int local) { unsigned unix_sec, unix_msec; time_t tim; struct tm tm; /* This calculates the some of epoch and source and stores it in unix_sec and unix_msec. */ unix_sec = epoch.tv_sec + (source / 1000); unix_msec = (epoch.tv_usec / 1000 ) + (source % 1000); unix_sec += unix_msec / 1000; unix_msec %= 1000; tim = unix_sec; if (local) { localtime_r (&tim, &tm); } else { gmtime_r (&tim, &tm); } sprintf (result, "%04d-%02d-%02d %02d:%02d:%02d.%03u", tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday, tm.tm_hour, tm.tm_min, tm.tm_sec, unix_msec); } static void safe_gettimeofday (struct timeval *tv) { if (gettimeofday (tv, 0) == -1) { int err = errno; fprintf (stderr, "%s: gettimeofday failed: %s\n", opt_program, strerror (err)); exit (EXIT_FAILURE); } } doscan-0.3.3/src/ticks.h0000644000175000017500000000275212422007776012670 0ustar fwfw/* doscan - Denial Of Service Capable Auditing of Networks * Copyright (C) 2003 Florian Weimer * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef TICKS_H #define TICKS_H #include "config.h" typedef uint32_t ticks_t; /* Time is measured in milliseconds since call to ticks_init(). */ #define TICKS_LAST (0xFFFFFFFF) void ticks_init (void); /* Record the process-specific epoch value. */ ticks_t ticks_get (void); /* Return current ticks, updates cache. */ ticks_t ticks_get_cached (void); /* Return ticks from cache (but does not update it). */ typedef char ticks_string_t[70]; void ticks_to_string_local (ticks_t, ticks_string_t); /* Converts a ticks value to its string representation, local time. */ void ticks_to_string_utc (ticks_t, ticks_string_t); /* Converts a ticks value to its string representation, UTC. */ #endif doscan-0.3.3/src/utils.cc0000644000175000017500000000553212422010000013016 0ustar fwfw/* doscan - Denial Of Service Capable Auditing of Networks * Copyright (C) 2003 Florian Weimer * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include "config.h" #include "opt.h" #include "utils.h" #include #include #include void string_dequote (const char *escaped, char **result, unsigned *result_size, const char *where) { unsigned len = strlen (escaped); char temp[len]; const char *source; char *target; unsigned j; source = escaped; target = temp; for (;;) { switch (*source) { case '\0': goto out; case '\\': source++; switch (*source) { case 't': source++; *(target++) = '\t'; break; case 'r': source++; *(target++) = '\r'; break; case 'n': source++; *(target++) = '\n'; break; case '\\': source++; *(target++) = '\\'; break; case '\0': fprintf (stderr, "%s: trailing backslash in %s\n", opt_program, where); exit (EXIT_FAILURE); break; case '0': case '1': case '2': case '3': j = *(source++) - '0'; if ((source[0] == '\0') || (source[1] == '\0')) { fprintf (stderr, "%s: incomplete octet escape in %s\n", opt_program, where); exit (EXIT_FAILURE); break; } if ((source[0] < '0') || (source[0] > '7') || (source[1] < '0') || (source[1] > '7')) { fprintf (stderr, "%s: invalid octet escape in %s\n", opt_program, where); exit (EXIT_FAILURE); break; } j *= 8; j += *(source++) - '0'; j *= 8; j += *(source++) - '0'; *(target++) = j; break; default: fprintf (stderr, "%s: invalid escape sequence '\\%c' in %s\n", opt_program, *source, where); exit (EXIT_FAILURE); break; } break; default: *(target++) = *(source++); } } out: *result_size = target - temp; target = new char[*result_size]; memcpy (target, temp, *result_size); *result = target; } doscan-0.3.3/src/utils.h0000644000175000017500000000210012422010002012646 0ustar fwfw/* doscan - Denial Of Service Capable Auditing of Networks * Copyright (C) 2003 Florian Weimer * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef UTILS_H #define UTILS_H #include void string_dequote(const char *, char **, unsigned *, const char *); // Converts a string with C escape sequences. std::string quote(const std::string&); // Adds C escape sequences where necessary. #endif // UTILS_H doscan-0.3.3/stamp-h.in0000644000175000017500000000001212422725647012503 0ustar fwfwtimestamp doscan-0.3.3/config.h.in0000644000175000017500000000534112422725647012637 0ustar fwfw/* config.h.in. Generated from configure.ac by autoheader. */ /* Define if first argument to gethostbyaddr() is char*. */ #undef GETHOSTBYADDR_ACCEPTS_CHAR /* Define if first argument to gethostbyaddr() is struct in_addr*. */ #undef GETHOSTBYADDR_ACCEPTS_IN_ADDR /* Define to 1 if you have the `epoll_wait' function. */ #undef HAVE_EPOLL_WAIT /* Define to 1 if you have the header file. */ #undef HAVE_INTTYPES_H /* Define to 1 if you have the header file. */ #undef HAVE_LIBINTL_H /* Define to 1 if your system has a GNU libc compatible `malloc' function, and to 0 otherwise. */ #undef HAVE_MALLOC /* Define to 1 if you have the `memcpy' function. */ #undef HAVE_MEMCPY /* Define to 1 if you have the header file. */ #undef HAVE_MEMORY_H /* Define to 1 if you have the `memset' function. */ #undef HAVE_MEMSET /* Define to 1 if you have the header file. */ #undef HAVE_STDINT_H /* Define to 1 if you have the header file. */ #undef HAVE_STDLIB_H /* Define to 1 if you have the header file. */ #undef HAVE_STRINGS_H /* Define to 1 if you have the header file. */ #undef HAVE_STRING_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_EPOLL_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_FILIO_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_STAT_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_TYPES_H /* Define to 1 if you have the header file. */ #undef HAVE_UNISTD_H /* Define to the address where bug reports for this package should be sent. */ #undef PACKAGE_BUGREPORT /* Define to the full name of this package. */ #undef PACKAGE_NAME /* Define to the full name and version of this package. */ #undef PACKAGE_STRING /* Define to the one symbol short name of this package. */ #undef PACKAGE_TARNAME /* Define to the home page for this package. */ #undef PACKAGE_URL /* Define to the version of this package. */ #undef PACKAGE_VERSION /* Define to 1 if you have the ANSI C header files. */ #undef STDC_HEADERS /* Define to empty if `const' does not conform to ANSI C. */ #undef const /* Define to `__inline__' or `__inline' if that's what the C compiler calls it, or to nothing if 'inline' is not supported under any name. */ #ifndef __cplusplus #undef inline #endif /* Define to rpl_malloc if the replacement function should be used. */ #undef malloc /* Define to `unsigned int' if does not define. */ #undef size_t /* Include where available. 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