pax_global_header00006660000000000000000000000064127525031620014515gustar00rootroot0000000000000052 comment=18869a797dab12bf1c917ba3b4782fef484c407c daemonize-release-1.7.8/000077500000000000000000000000001275250316200151235ustar00rootroot00000000000000daemonize-release-1.7.8/.gitignore000066400000000000000000000001441275250316200171120ustar00rootroot00000000000000*.o daemonize daemonize.html config.h config.log config.status config.cache Makefile autom4te.cache daemonize-release-1.7.8/CHANGELOG.md000066400000000000000000000164261275250316200167450ustar00rootroot00000000000000daemonize Change Log ==================== Changes in version 1.7.8: - Fixed various compiler and cross-linking issues. Thanks to @derekstraka for the patch. Changes in version 1.7.7: - CFLAGS and LDFLAGS not passed through from `configure` to `Makefile`. Fixes GitHub Issue #20 . Thanks to Andrew Stormont (andyjstormont /at/ gmail.com) for the patch. Changes in version 1.7.6: - Fixed potential memory allocation issues. See GitHub Issue #15 and pull request #16 . Thanks to Frederic Descamps (frederic.descamps /at/ percona.com) for the fix. Changes in version 1.7.5: - Added support for out-of-tree builds, per [Issue #12][]. Thanks to @andy-js [Issue #12]: https://github.com/bmc/daemonize/issues/12 Changes in version 1.7.4: - Merged `acconfig.h` patch from Andreas Müller (schnitzeltony _at_ googlemail.com) that cleans up `getopt` references. - Moved version stamp into a header. Changes in version 1.7.3: - Merged patch from Ewan Mellor (ewan.mellor _at_ citrix.com) that adds an appropriate definition for `HAVE_INITGROUPS` to `config.h.in`. Changes in version 1.7.2: - Fixed bad reference to `LOG_ERROR` in `daemon.c`, causing compilation problems (Should have been `LOG_ERR`.) Changes in version 1.7.1: - Added emulator for *flock*(2) file locking call, emulated in terms of *lockf*(3), for systems (like Solaris) that don't have *flock*. Addresses [Issue #3][]. Tested on Solaris 11 (x86). [Issue #3]: https://github.com/bmc/daemonize/issues/3 Changes in version 1.7.0: - Now supports a `-E` parameter, which allows setting one or more environment variables, to be passed to the daemon. Based on a suggestion from Michel Gouget *michel /at/ gouget.org*. Changes in version 1.6.2: - Local copy of daemon(3) now errors out (with a message to syslog(3)) if it cannot open /dev/null. Thanks to Folkert van Heusden *folkert.mobiel /at/ gmail.com* for noticing the problem. Changes in version 1.6.1: - Makefile now generates daemonize.html, an HTML-ized version of the man page. - Fixed usage message, which incorrectly said "stderr", instead of "stdout" in the description of the "-o" option. Thanks to [Sam Pierson][] for the patch. [Sam Pierson]: http://sampierson.com/blog Changes in version 1.6: Rolled in changes submitted by Ken D. Farnen, (kenf /at/ 14Cubed.COM): - On slackware, all of the rc.???? scripts run directly from init, and init doesn't set up much in the way of an environment, whereas login stuffs loads of stuff into the environment. Daemonize now ensures that a minimum environment is passed to the exec-ed daemon (IFS and PATH). - The -u flag now puts USER, HOME and LOGNAME into the environment, for the benefit of programs that rely on them. The lack of these environment variables seems to have deleterious effects on MythTV, for example. - On Slackware Linux, access to video and audio device entries is controlled by secondary group membership. (e.g., A user who needs access to a dvb device needs to be in group "video", and a user who needs access to dsp devices needs to be in group "audio".), This is typically done by the login code. Daemonize now initializes those group memberships, as well, if the initgroups() function is present. Changes in version 1.5.6: - Accepted and applied a patch from Gary T. Giesen (giesen /at/ snickers.org) that allows the daemonize Makefile to play well with Linux RPMs. Changes in version 1.5.5: - Changes in 1.5.4 made it impossible to create PID files in directories not owned by the user specified with -u. Prior to 1.5.4, doing so was possible. It is now possible again, and the functionality has been corrected slightly to ensure that the proper PID is written and that the PID file has mode 0644. Changes in version 1.5.4: - If a user name is specified via the -u option, the output files specified by the -o and -e options are now opened *after* daemonize switches users, not before (as happened in previous versions). This change ensures that the output files end up being owned by that user, not by root. This change has no effect if -u is not used. - Rearranged and simplified some of the code in daemonize.c - Added some documentation to the code. Changes in version 1.5.3: - Minor licensing change. (configure.in still emitted a message indicated that daemonize is GPL-licensed. It's BSD-licensed.) - Updated copyright information. Changes in version 1.5.2: Two changes suggested and supplied by Yakov Lerner gmail.com>: - Added a "-l lockfile" option, permitting daemonize to use a lockfile to ensure that only one instance of the daemon runs at a time. - Now makes additional checks to ensure that the program specified to daemonize is a regular file, not a directory. Changes in version 1.5.1: - Now released under BSD-style license, not GNU Public License. Changes in version 1.5: - daemonize can now optionally redirect the daemon's standard output and standard error to files - configure now supports a local basename() emulator. Changes in version 1.4: - Version of daemon(3) shipped with daemonize attempted to redirect stdin, stdout and stderr to /dev/null, by closing all file descriptors (using sysconf(_SC_OPEN_MAX) to determine the maximum file descriptor). This method wasn't working, and apparently the forked daemon process was reacquiring (or still had) valid stdin, stdout and stderr file descriptors. I made some changes to daemon.c to be more consistent with how the native FreeBSD and Linux versions behave. This bug may have contributed to a problem on AIX. According to Ron Avriel , when he telnets to an AIX 5.2 system and uses daemonize create a daemon, he can't log out of the telnet session (i.e., the logout operation hangs) until he kills the daemon. That observation is consistent with the theory that the daemon process is still holding open the controlling terminal. - daemonize now installs with 0755 permissions, instead of 0700. Changes in version 1.3: - The "-c" option now actually works. Duh. Changes in version 1.2: - The external names in getopt.c are now prefixed with "x_" (e.g., x_getopt(), x_opterr, etc.). The function's name has been changed to avoid type conflicts with the native getopt() on the host operating system. (This is known to happen on Solaris 8, for instance.) Thanks to Michael Fuchs for pointing out the problem on Solaris. Changes in version 1.1: - Now uses local getopt.c unconditionally, instead of defaulting to whatever's on the system. This gets around a problem when installing on systems with GNU getopt (e.g., Linux). Unless POSIXLY_CORRECT is set in the environment, GNU getopt scans the entire command line, which means it'll complain about "unknown options" that are specified in the command being passed to daemonize. One solution is to have daemonize set POSIXLY_CORRECT right before calling getopt() (and then restore it before running the program-to-daemonize, in case it might affect that program's behavior). However, it's just simpler to use the old, public domain getopt routine. - daemonize now verifies that the program actually exists before daemonizing. (It didn't check before.) daemonize-release-1.7.8/INSTALL000066400000000000000000000220301275250316200161510ustar00rootroot00000000000000Copyright (C) 1994, 1995, 1996, 1999, 2000, 2001, 2002 Free Software Foundation, Inc. This file is free documentation; the Free Software Foundation gives unlimited permission to copy, distribute and modify it. Basic Installation ================== These are generic installation instructions. The `configure' shell script attempts to guess correct values for various system-dependent variables used during compilation. It uses those values to create a `Makefile' in each directory of the package. It may also create one or more `.h' files containing system-dependent definitions. Finally, it creates a shell script `config.status' that you can run in the future to recreate the current configuration, and a file `config.log' containing compiler output (useful mainly for debugging `configure'). It can also use an optional file (typically called `config.cache' and enabled with `--cache-file=config.cache' or simply `-C') that saves the results of its tests to speed up reconfiguring. (Caching is disabled by default to prevent problems with accidental use of stale cache files.) If you need to do unusual things to compile the package, please try to figure out how `configure' could check whether to do them, and mail diffs or instructions to the address given in the `README' so they can be considered for the next release. If you are using the cache, and at some point `config.cache' contains results you don't want to keep, you may remove or edit it. The file `configure.ac' (or `configure.in') is used to create `configure' by a program called `autoconf'. You only need `configure.ac' if you want to change it or regenerate `configure' using a newer version of `autoconf'. The simplest way to compile this package is: 1. `cd' to the directory containing the package's source code and type `./configure' to configure the package for your system. If you're using `csh' on an old version of System V, you might need to type `sh ./configure' instead to prevent `csh' from trying to execute `configure' itself. Running `configure' takes awhile. While running, it prints some messages telling which features it is checking for. 2. Type `make' to compile the package. 3. Optionally, type `make check' to run any self-tests that come with the package. 4. Type `make install' to install the programs and any data files and documentation. 5. You can remove the program binaries and object files from the source code directory by typing `make clean'. To also remove the files that `configure' created (so you can compile the package for a different kind of computer), type `make distclean'. There is also a `make maintainer-clean' target, but that is intended mainly for the package's developers. If you use it, you may have to get all sorts of other programs in order to regenerate files that came with the distribution. Compilers and Options ===================== Some systems require unusual options for compilation or linking that the `configure' script does not know about. Run `./configure --help' for details on some of the pertinent environment variables. You can give `configure' initial values for configuration parameters by setting variables in the command line or in the environment. Here is an example: ./configure CC=c89 CFLAGS=-O2 LIBS=-lposix *Note Defining Variables::, for more details. Compiling For Multiple Architectures ==================================== You can compile the package for more than one kind of computer at the same time, by placing the object files for each architecture in their own directory. To do this, you must use a version of `make' that supports the `VPATH' variable, such as GNU `make'. `cd' to the directory where you want the object files and executables to go and run the `configure' script. `configure' automatically checks for the source code in the directory that `configure' is in and in `..'. If you have to use a `make' that does not support the `VPATH' variable, you have to compile the package for one architecture at a time in the source code directory. After you have installed the package for one architecture, use `make distclean' before reconfiguring for another architecture. Installation Names ================== By default, `make install' will install the package's files in `/usr/local/bin', `/usr/local/man', etc. You can specify an installation prefix other than `/usr/local' by giving `configure' the option `--prefix=PATH'. You can specify separate installation prefixes for architecture-specific files and architecture-independent files. If you give `configure' the option `--exec-prefix=PATH', the package will use PATH as the prefix for installing programs and libraries. Documentation and other data files will still use the regular prefix. In addition, if you use an unusual directory layout you can give options like `--bindir=PATH' to specify different values for particular kinds of files. Run `configure --help' for a list of the directories you can set and what kinds of files go in them. If the package supports it, you can cause programs to be installed with an extra prefix or suffix on their names by giving `configure' the option `--program-prefix=PREFIX' or `--program-suffix=SUFFIX'. Optional Features ================= Some packages pay attention to `--enable-FEATURE' options to `configure', where FEATURE indicates an optional part of the package. They may also pay attention to `--with-PACKAGE' options, where PACKAGE is something like `gnu-as' or `x' (for the X Window System). The `README' should mention any `--enable-' and `--with-' options that the package recognizes. For packages that use the X Window System, `configure' can usually find the X include and library files automatically, but if it doesn't, you can use the `configure' options `--x-includes=DIR' and `--x-libraries=DIR' to specify their locations. Specifying the System Type ========================== There may be some features `configure' cannot figure out automatically, but needs to determine by the type of machine the package will run on. Usually, assuming the package is built to be run on the _same_ architectures, `configure' can figure that out, but if it prints a message saying it cannot guess the machine type, give it the `--build=TYPE' option. TYPE can either be a short name for the system type, such as `sun4', or a canonical name which has the form: CPU-COMPANY-SYSTEM where SYSTEM can have one of these forms: OS KERNEL-OS See the file `config.sub' for the possible values of each field. If `config.sub' isn't included in this package, then this package doesn't need to know the machine type. If you are _building_ compiler tools for cross-compiling, you should use the `--target=TYPE' option to select the type of system they will produce code for. If you want to _use_ a cross compiler, that generates code for a platform different from the build platform, you should specify the "host" platform (i.e., that on which the generated programs will eventually be run) with `--host=TYPE'. Sharing Defaults ================ If you want to set default values for `configure' scripts to share, you can create a site shell script called `config.site' that gives default values for variables like `CC', `cache_file', and `prefix'. `configure' looks for `PREFIX/share/config.site' if it exists, then `PREFIX/etc/config.site' if it exists. Or, you can set the `CONFIG_SITE' environment variable to the location of the site script. A warning: not all `configure' scripts look for a site script. Defining Variables ================== Variables not defined in a site shell script can be set in the environment passed to `configure'. However, some packages may run configure again during the build, and the customized values of these variables may be lost. In order to avoid this problem, you should set them in the `configure' command line, using `VAR=value'. For example: ./configure CC=/usr/local2/bin/gcc will cause the specified gcc to be used as the C compiler (unless it is overridden in the site shell script). `configure' Invocation ====================== `configure' recognizes the following options to control how it operates. `--help' `-h' Print a summary of the options to `configure', and exit. `--version' `-V' Print the version of Autoconf used to generate the `configure' script, and exit. `--cache-file=FILE' Enable the cache: use and save the results of the tests in FILE, traditionally `config.cache'. FILE defaults to `/dev/null' to disable caching. `--config-cache' `-C' Alias for `--cache-file=config.cache'. `--quiet' `--silent' `-q' Do not print messages saying which checks are being made. To suppress all normal output, redirect it to `/dev/null' (any error messages will still be shown). `--srcdir=DIR' Look for the package's source code in directory DIR. Usually `configure' can determine that directory automatically. `configure' also accepts some other, not widely useful, options. Run `configure --help' for more details. daemonize-release-1.7.8/LICENSE.md000066400000000000000000000050021275250316200165240ustar00rootroot00000000000000# License for *daemonize* (Excludes `install.sh` and `getopt.c`.) This software is released under a BSD license, adapted from Copyright © 2003-2011 Brian M. Clapper. All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. * Neither the name "clapper.org" nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. # License for `install-sh` Copyright © 1991 by the Massachusetts Institute of Technology Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation, and that the name of M.I.T. not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. M.I.T. makes no representations about the suitability of this software for any purpose. It is provided "as is" without express or implied warranty. # License for `getopt.c` The version of `getopt()` that is compiled into *daemonize* is adapted from the original AT&T public domain implementation of *getopt*(3) and is in the public domain. daemonize-release-1.7.8/Makefile.in000066400000000000000000000031301275250316200171650ustar00rootroot00000000000000# Makefile.in for daemonize. # # This source code is released under a BSD-style license. See the LICENSE # file for details. # --------------------------------------------------------------------------- srcdir = @srcdir@ VPATH = @srcdir@ INSTALL_PREFIX = @prefix@ INSTALL = @INSTALL@ INSTALL_SBIN = $(INSTALL_PREFIX)/sbin INSTALL_MAN = $(INSTALL_PREFIX)/share/man MISSING_SOURCES = @LOCAL_MISSING_SOURCES@ MISSING_OBJECTS = $(MISSING_SOURCES:.c=.o) CC = @CC@ CFLAGS = @CFLAGS@ LDFLAGS = @LDFLAGS@ .PHONY: all psman install clean distclean .c.o: $(CC) $(CFLAGS) -c $< -I. -I$(srcdir) all: daemonize daemonize: daemonize.o getopt.o $(MISSING_OBJECTS) $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ testdaemon: testdaemon.o $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ psman: daemonize.ps daemonize.ps: daemonize.1 groff -man daemonize.1 >pstmp ps2ps pstmp daemonize.ps rm pstmp daemonize.html: daemonize.1 groff -man -Thtml daemonize.1 >daemonize.html install: mkdir -p $(DESTDIR)$(INSTALL_SBIN) $(INSTALL) -m 0755 daemonize $(DESTDIR)$(INSTALL_SBIN) mkdir -p $(DESTDIR)$(INSTALL_MAN)/man1 $(INSTALL) -m 0644 $(srcdir)/daemonize.1 $(DESTDIR)$(INSTALL_MAN)/man1 clean: rm -rf *.o daemonize testdaemon *.ps distclean: clean rm -rf config.status config.log config.cache config.h Makefile autom?te.cache # Copy stuff to the gh-pages directory. I doubt you want to use this target, # unless you're maintaining the web site (i.e., unless you're me). gh: daemonize.html CHANGELOG.md ../gh-pages/changelog-header cp daemonize.html ../gh-pages cat ../gh-pages/changelog-header CHANGELOG.md >../gh-pages/CHANGELOG.md daemonize-release-1.7.8/README.md000066400000000000000000000016511275250316200164050ustar00rootroot00000000000000daemonize: A tool to run a command as a daemon ============================================== ## Introduction *daemonize* is a command-line utility that runs a command as a Unix daemon. See the accompanying man page for full details. ## Installation Please see the [daemonize web page][daemonize-home] for details. ## Author Brian Clapper, *bmc@clapper.org* ## Web Page * [Home Page][daemonize-home] * [GitHub repo][github-repo] [daemonize-home]: http://software.clapper.org/daemonize [github-repo]: http://github.com/bmc/daemonize ## LICENSE With the exception of the "install-sh" script and the "getopt.c" source, this software is released under the BSD-style license. See the LICENSE file for details. ## COPYRIGHT With the exception of the "install-sh" script and the "getopt.c" source, this software is copyright 2003-2013, Brian M. Clapper --------------------------------------------------------------------------- daemonize-release-1.7.8/acconfig.h000066400000000000000000000101161275250316200170440ustar00rootroot00000000000000/*---------------------------------------------------------------------------*\ Site-specific configuration file for run-as utility Input to `autoheader' This source code is released under a BSD-style license. See the LICENSE file for details. \*---------------------------------------------------------------------------*/ #ifndef _CONFIG_H_ #define _CONFIG_H_ #include @@TOP@@ /* define if your C compiler lacks a built-in `bool' type */ #undef bool /* define to `int' if your system lacks `ssize_t' */ #undef ssize_t /* define to `unsigned short' if your system lacks `ushort' */ #undef ushort /* Define if you have the `sig_t' type in or (e.g., FreeBSD) */ #undef HAVE_SIG_T /* Define if your compiler supports a native "byte" type that holds at least eight bits. */ #undef HAVE_BYTE_TYPE /* Define if you have the getpgrp() function. */ #undef HAVE_GETPGRP /* Define if you have the setpgrp() function. */ #undef HAVE_SETPGRP /* Define if you have the initgroups() function. */ #undef HAVE_INITGROUPS /* Define if you have the setsid() function. Almost everyone does. */ #undef HAVE_SETSID /* Define if you have the sysconf() function. */ #undef HAVE_SYSCONF /* Define if you have the daemon() function. */ #undef HAVE_DAEMON /* Define if you have the strerror() function. */ #undef HAVE_STRERROR /* Define if you have vfork() */ #undef HAVE_VFORK /* Define if you have vprintf() */ #undef HAVE_VPRINTF /* Define if you have the `pw_comment' field in `struct passwd' (pwd.h) */ #undef HAVE_PW_COMMENT /* Define if you have the `pw_gecos' field in `struct passwd' (pwd.h) */ #undef HAVE_PW_GECOS /* Define to `long' if you don't have `off_t' */ #undef off_t /* Define to `int' if you don't have `mode_t' */ #undef mode_t /* Define to `int' if you don't have `pid_t' */ #undef pid_t /* Define to `int' if you don't have `gid_t' and `uid_t' */ #undef uid_t #undef gid_t /* Define to `unsigned' if you don't have `size_t' */ #undef size_t /* Define if you have */ #undef HAVE_ERRNO_H @@BOTTOM@@ /*****************************************************************************\ DON'T TOUCH ANYTHING BELOW HERE! \*****************************************************************************/ #ifndef HAVE_BYTE_TYPE typedef unsigned char byte; /* 8 bit unsigned critter */ #endif /* HAVE_BYTE_TYPE */ #ifndef HAVE_SIG_T typedef void __sighandler_t (int); typedef __sighandler_t *sig_t; #endif /* HAVE_SIG_T */ #ifndef HAVE_FALSE #define FALSE (0) #endif /* FALSE */ #ifndef HAVE_TRUE #define TRUE (1) #endif /* TRUE */ #ifndef HAVE_SETSID #define setsid() ((pid_t) -1) #endif /* HAVE_SETSID */ #ifndef HAVE_SYSCONF #define sysconf(name) ((long) -1) #endif /* HAVE_SYSCONF */ #ifndef HAVE_STRERROR extern char *strerror (int errnum); #endif /* HAVE_STRERROR */ extern int x_getopt (int argc, char **argv, const char *opts); extern int x_opterr; extern int x_optind; extern int x_optopt; extern char *x_optarg; #ifndef HAVE_DAEMON extern int daemon (int nochdir, int noclose); #endif #ifdef HAVE_VFORK #ifdef HAVE_VFORK_H #include #endif #else /* HAVE_VFORK */ #undef vfork #define vfork fork #endif /* HAVE_VFORK */ #ifdef HAVE_ERRNO_H #include #else extern int errno; #endif #ifndef STDC_HEADERS #error "Must have standard C headers. Sorry." #endif /* Password field: If only one of `pw_comment' and `pw_gecos' is present, define the missing one in terms of the existing one. If neither is present, define both in terms of `pw_name'. */ #if !defined(HAVE_PW_COMMENT) && !defined(HAVE_PW_GECOS) #define pw_comment pw_name #define pw_gecos pw_name #else #if defined(HAVE_PW_COMMENT) && !defined(HAVE_PW_GECOS) #define pw_gecos pw_comment #else #if defined(HAVE_PW_GECOS) && !defined(HAVE_PW_COMMENT) #define pw_comment pw_gecos #endif #endif #endif #include #if HAVE_SYS_WAIT_H # include #endif #ifndef WEXITSTATUS # define WEXITSTATUS(stat_val) ((unsigned)(stat_val) >> 8) #endif #ifndef WIFEXITED # define WIFEXITED(stat_val) (((stat_val) & 255) == 0) #endif #endif /* _CONFIG_H_ */ daemonize-release-1.7.8/basename.c000066400000000000000000000020061275250316200170400ustar00rootroot00000000000000/*---------------------------------------------------------------------------*\ NAME basename.c - replacement basename(3) function DESCRIPTION This source file contains a version of the basename() function. LICENSE This source code is released under a BSD-style license. See the LICENSE file for details. Copyright (c) 2006-2015 Brian M. Clapper, bmc@clapper.org \*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*\ Includes \*---------------------------------------------------------------------------*/ #include #include /*---------------------------------------------------------------------------*\ Public Routines \*---------------------------------------------------------------------------*/ char *basename (char *path) { char *s = strrchr (path, '/'); return (s == NULL) ? path : ++s; } daemonize-release-1.7.8/config.h.in000066400000000000000000000132701275250316200171510ustar00rootroot00000000000000/* config.h.in. Generated automatically from configure.in by autoheader. */ /*---------------------------------------------------------------------------*\ Site-specific configuration file for run-as utility Input to `autoheader': $Id$ \*---------------------------------------------------------------------------*/ #ifndef _CONFIG_H_ #define _CONFIG_H_ #include /* Define if on AIX 3. System headers sometimes define this. We just want to avoid a redefinition error message. */ #ifndef _ALL_SOURCE #undef _ALL_SOURCE #endif /* Define to empty if the keyword does not work. */ #undef const /* Define if the `getpgrp' function takes no argument. */ #undef GETPGRP_VOID /* Define to `int' if doesn't define. */ #undef gid_t /* Define if you don't have vprintf but do have _doprnt. */ #undef HAVE_DOPRNT /* Define if you support file names longer than 14 characters. */ #undef HAVE_LONG_FILE_NAMES /* Define if you have that is POSIX.1 compatible. */ #undef HAVE_SYS_WAIT_H /* Define if you have . */ #undef HAVE_VFORK_H /* Define if you have the vprintf function. */ #undef HAVE_VPRINTF /* Define to `int' if doesn't define. */ #undef mode_t /* Define to `int' if doesn't define. */ #undef pid_t /* Define if the `setpgrp' function takes no argument. */ #undef SETPGRP_VOID /* Define to `unsigned' if doesn't define. */ #undef size_t /* Define if you have the ANSI C header files. */ #undef STDC_HEADERS /* Define to `int' if doesn't define. */ #undef uid_t /* Define vfork as fork if vfork does not work. */ #undef vfork /* define if your C compiler lacks a built-in `bool' type */ #undef bool /* define to `int' if your system lacks `ssize_t' */ #undef ssize_t /* Define if you have the `sig_t' type in or (e.g., FreeBSD) */ #undef HAVE_SIG_T /* Define if your compiler supports a native "byte" type that holds at least eight bits. */ #undef HAVE_BYTE_TYPE /* Define if you have the getpgrp() function. */ #undef HAVE_GETPGRP /* Define if you have the setpgrp() function. */ #undef HAVE_SETPGRP /* Define if you have the setsid() function. 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So we exec the FD to /dev/null, # effectively closing config.log, so it can be properly (re)opened and # appended to by config.status. When coming back to configure, we # need to make the FD available again. if test "$no_create" != yes; then ac_cs_success=: ac_config_status_args= test "$silent" = yes && ac_config_status_args="$ac_config_status_args --quiet" exec 5>/dev/null $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false exec 5>>config.log # Use ||, not &&, to avoid exiting from the if with $? = 1, which # would make configure fail if this is the last instruction. $ac_cs_success || as_fn_exit 1 fi if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5 $as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;} fi echo "" echo "***" echo "*** daemonize is released under a BSD-style license." echo "*** See the LICENSE file distributed with the source code for details." echo "***" echo "" daemonize-release-1.7.8/configure.in000066400000000000000000000220761275250316200174430ustar00rootroot00000000000000dnl Copyright (c) 2003-2009 Brian M. Clapper. dnl All rights reserved. dnl dnl Redistribution and use in source and binary forms, with or without dnl modification, are permitted provided that the following conditions are met: dnl dnl * Redistributions of source code must retain the above copyright dnl notice, this list of conditions and the following disclaimer. dnl dnl * Redistributions in binary form must reproduce the above copyright dnl notice, this list of conditions and the following disclaimer in the dnl documentation and/or other materials provided with the distribution. dnl dnl * Neither the name of the clapper.org nor the names of its dnl contributors may be used to endorse or promote products derived from dnl this software without specific prior written permission. dnl dnl THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" dnl AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE dnl IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE dnl ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE dnl LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR dnl CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF dnl SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS dnl INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN dnl CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) dnl ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE dnl POSSIBILITY OF SUCH DAMAGE. dnl --------------------------------------------------------------------------- dnl --------------------------------------------------------------------------- dnl Autoconf file for daemonize dnl dnl Process this file with autoconf to produce a configure script. dnl --------------------------------------------------------------------------- AC_INIT(daemonize.c) AC_CONFIG_HEADER(config.h) dnl --------------------------------------------------------------------------- dnl Directories and package-specific vars dnl --------------------------------------------------------------------------- LOCAL_TOP_LEVEL=`pwd` dnl --------------------------------------------------------------------------- dnl Compiler- and language-specific programs. Must precede the UNIX tests. dnl --------------------------------------------------------------------------- AC_PROG_CC AC_PROG_CPP AC_SUBST(CC) AC_SUBST(CPP) dnl --------------------------------------------------------------------------- dnl UNIX variant hacks dnl --------------------------------------------------------------------------- AC_AIX dnl --------------------------------------------------------------------------- dnl Checks for programs via standard macros. dnl --------------------------------------------------------------------------- AC_PROG_INSTALL dnl --------------------------------------------------------------------------- dnl Checks for header files. dnl --------------------------------------------------------------------------- AC_HEADER_STDC AC_HEADER_SYS_WAIT AC_CHECK_HEADERS(errno.h) AC_CHECK_HEADERS(libgen.h) export CPPFLAGS dnl --------------------------------------------------------------------------- dnl Checks for libraries. dnl --------------------------------------------------------------------------- dnl --------------------------------------------------------------------------- dnl Checks for typedefs, structures, and compiler characteristics. dnl --------------------------------------------------------------------------- AC_C_CONST AC_TYPE_UID_T AC_TYPE_MODE_T AC_TYPE_PID_T AC_TYPE_SIZE_T AC_CHECK_TYPE(ssize_t, int) dnl *** dnl FreeBSD and some others define "sig_t" as the return type for a signal dnl handler. Use it if it's there; #define it otherwise. AC_CACHE_CHECK([for 'sig_t' typedef], local_cv_have_sig_t, AC_EGREP_HEADER(sig_t, signal.h, local_cv_have_sig_t=yes, local_cv_have_sig_t=no)) if test "$local_cv_have_sig_t" = "yes" ; then AC_DEFINE(HAVE_SIG_T) fi dnl *** dnl Password file stuff AC_CACHE_CHECK([for 'struct passwd'], local_cv_have_struct_pw, AC_TRY_COMPILE([#include ], [struct passwd *pw;], local_cv_have_struct_pw=yes, local_cv_have_struct_pw=no)) if test "$local_cv_have_struct_pw" = "no" ; then AC_MSG_ERROR([Sorry, but I need 'struct passwd'.]) else dnl pw_comment or pw_gecos? Neither is required by X/Open or POSIX. AC_CACHE_CHECK([for 'pw_comment' field], wclib_cv_have_pw_comment, AC_TRY_COMPILE([#include ], [struct passwd *pw; char *s = (char *) pw->pw_comment;], wclib_cv_have_pw_comment=yes, wclib_cv_have_pw_comment=no)) AC_CACHE_CHECK([for 'pw_gecos' field], wclib_cv_have_pw_gecos, AC_TRY_COMPILE([#include ], [struct passwd *pw; char *s = (char *) pw->pw_gecos;], wclib_cv_have_pw_gecos=yes, wclib_cv_have_pw_gecos=no)) if test "$wclib_cv_have_pw_comment" = "yes" ; then AC_DEFINE(HAVE_PW_COMMENT) fi if test "$wclib_cv_have_pw_gecos" = "yes" ; then AC_DEFINE(HAVE_PW_GECOS) fi fi dnl *** dnl Predefined `bool' type and various related constants AC_CACHE_CHECK([for predefined 'bool' type], local_cv_have_bool, AC_TRY_COMPILE([ #include #include #include ], [bool flag;], local_cv_have_bool=yes, local_cv_have_bool=no)) if test "$local_cv_have_bool" = "no" ; then AC_DEFINE(bool, short) fi dnl *** dnl TRUE? AC_CACHE_CHECK([for TRUE constant in standard headers], local_cv_have_true, AC_TRY_COMPILE([ #include #include #include ], [if (TRUE) ;], local_cv_have_true=yes, local_cv_have_true=no)) if test "$local_cv_have_true" = "yes" ; then AC_DEFINE(HAVE_TRUE) fi dnl *** dnl FALSE? AC_CACHE_CHECK([for FALSE constant in standard headers], local_cv_have_false, AC_TRY_COMPILE([ #include #include #include ], [if (FALSE) ;], local_cv_have_false=yes, local_cv_have_false=no)) if test "$local_cv_have_false" = "yes" ; then AC_DEFINE(HAVE_FALSE) fi dnl --------------------------------------------------------------------------- dnl Checks for library functions. dnl --------------------------------------------------------------------------- AC_CHECK_FUNC(initgroups, AC_DEFINE(HAVE_INITGROUPS)) AC_CHECK_FUNC(getpgrp, AC_DEFINE(HAVE_GETPGRP)) AC_CHECK_FUNC(setpgrp, AC_DEFINE(HAVE_SETPGRP)) dnl setsid(2) appears to be defined for all reasonable (and some unreasonable) dnl Unices. Hell, even the Single Unix Specification (formerly X/Open, see dnl `http://www.rdg.opengroup.org/onlinepubs/7908799/toc.htm') has it. dnl If it isn't there, we define a macro that fails. AC_CHECK_FUNC(setsid, AC_DEFINE(HAVE_SETSID)) dnl AC_FUNC_GETPGRP defines GETPGRP_VOID if getpgrp() takes no parameters. AC_FUNC_GETPGRP AC_FUNC_SETPGRP AC_FUNC_VPRINTF AC_CHECK_FUNC(vfork, AC_DEFINE(HAVE_VFORK)) AC_FUNC_VFORK dnl *** dnl Generate a list of missing functions that we desperately require. dnl Any missing functions, below, will be replaced with emulators if dnl necessary; the value of RUNAS_MISSING_SOURCES will be substituted into dnl the "portability" Makefile. AC_CHECK_FUNC(strerror, AC_DEFINE(HAVE_STRERROR), LOCAL_MISSING_SOURCES="${LOCAL_MISSING_SOURCES} strerror.c") dnl Some Unices don't have a daemon(3) function. If it's missing, we dnl supply our own emulation version. AC_CHECK_FUNC(daemon, AC_DEFINE(HAVE_DAEMON), LOCAL_MISSING_SOURCES="${LOCAL_MISSING_SOURCES} daemon.c") AC_CHECK_FUNC(basename, AC_DEFINE(HAVE_BASENAME), LOCAL_MISSING_SOURCES="${LOCAL_MISSING_SOURCES} basename.c") AC_CHECK_FUNC(setenv, AC_DEFINE(HAVE_SETENV), LOCAL_MISSING_SOURCES="${LOCAL_MISSING_SOURCES} setenv.c") AC_CHECK_FUNC(flock, AC_DEFINE(HAVE_FLOCK), LOCAL_MISSING_SOURCES="${LOCAL_MISSING_SOURCES} flock.c") AC_SUBST(LOCAL_MISSING_SOURCES) dnl --------------------------------------------------------------------------- dnl System services dnl --------------------------------------------------------------------------- AC_SYS_LONG_FILE_NAMES dnl --------------------------------------------------------------------------- dnl Final configuration constants that depend on the previous stuff. dnl --------------------------------------------------------------------------- dnl --------------------------------------------------------------------------- dnl Output and variable substitutions dnl --------------------------------------------------------------------------- dnl *** dnl Individual Makefiles AC_OUTPUT(Makefile) dnl --------------------------------------------------------------------------- dnl Copyrights and such dnl --------------------------------------------------------------------------- echo "" echo "***" echo "*** daemonize is released under a BSD-style license." echo "*** See the LICENSE file distributed with the source code for details." echo "***" echo "" daemonize-release-1.7.8/daemon.c000066400000000000000000000063001275250316200165310ustar00rootroot00000000000000/*---------------------------------------------------------------------------*\ NAME daemon.c - replacement daemon(3) function DESCRIPTION This source file contains a version of a BSD-style daemon(3) function, a function to "daemonize" the calling process. This implementation is based both on the generic daemon logic defined in the Unix Programmer's FAQ and on the daemon_start() function in W. Richard Stevens' _Unix_Network_Programming_ book (Prentice-Hall, 1990). At the time of this writing, the Unix Programmer's FAQ is located at `http://www.whitefang.com/unix/faq_toc.html' (among other places). LICENSE This source code is released under a BSD-style. See the LICENSE file for details. Copyright (c) 2003-2015 Brian M. Clapper, bmc@clapper.org \*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*\ Includes \*---------------------------------------------------------------------------*/ #include #include #include #include #include #include #include #include #include #include "config.h" #ifdef HAVE_SYS_FILE_H #include #endif /* HAVE_SYS_FILE_H */ /*---------------------------------------------------------------------------*\ Static Routines \*---------------------------------------------------------------------------*/ /* redirect_fds(): redirect stdin, stdout, and stderr to /dev/NULL */ static void redirect_fds() { (void) close(0); (void) close(1); (void) close(2); if (open("/dev/null", O_RDWR) != 0) { syslog(LOG_ERR, "Unable to open /dev/null: %s", strerror(errno)); exit(1); } (void) dup(0); (void) dup(0); } static int do_fork(void) { int status = 0; switch(fork()) { case 0: /* This is the child that will become the daemon. */ break; case -1: /* Fork failure. */ status = -1; break; default: /* Parent: Exit. */ _exit(0); } return status; } /*---------------------------------------------------------------------------*\ Public Routines \*---------------------------------------------------------------------------*/ int daemon(int nochdir, int noclose) { int status = 0; openlog("daemonize", LOG_PID, LOG_DAEMON); /* Fork once to go into the background. */ if((status = do_fork()) < 0 ) ; /* Create new session */ else if(setsid() < 0) /* shouldn't fail */ status = -1; /* Fork again to ensure that daemon never reacquires a control terminal. */ else if((status = do_fork()) < 0 ) ; else { /* clear any inherited umask(2) value */ umask(0); /* We're there. */ if(! nochdir) { /* Go to a neutral corner. */ chdir("/"); } if(! noclose) redirect_fds(); } return status; } daemonize-release-1.7.8/daemonize.1000066400000000000000000000137171275250316200171710ustar00rootroot00000000000000.\" -*-nroff-*- .\" .\" With the exception of the "install-sh" script and the "getopt.c" source, .\" this software is released under a BSD-style license. See the LICENSE .\" file for details. .\" .\" Copyright (c) 2003-2006 Brian M. Clapper, bmc clapper org .\" .\" $Id$ .\" --------------------------------------------------------------------------- .\" .ie n .ds Bu o .el .ds Bu \(bu .\" .TH daemonize 1 "August 2006" Unix "User Manuals" .SH NAME .PP daemonize \- run a program as a Unix daemon .SH SYNOPSIS .PP .B daemonize [-a] [-c \fIdirectory\fP] [-e \fIstderr\fP] [-o \fIstdout\fP] [-p \fIpidfile\fP] [-l \fIlockfile\fP] [-u \fIuser\fP] [-v] .I "path [arg] ..." .SH DESCRIPTION .PP .B daemonize runs a command as a Unix daemon. As defined in W. Richard Stevens' 1990 book, .I "Unix Network Programming" (Addison-Wesley, 1990), a daemon is \*(lqa process that executes `in the background' (i.e., without an associated terminal or login shell) either waiting for some event to occur, or waiting to perform some specified task on a periodic basis.\*(rq Upon startup, a typical daemon program will: .IP \*(Bu 2 Close all open file descriptors (especially standard input, standard output and standard error) .IP \*(Bu 2 Change its working directory to the root filesystem, to ensure that it doesn't tie up another filesystem and prevent it from being unmounted .IP \*(Bu 2 Reset its .I umask value .IP \*(Bu 2 Run in the background (i.e., .IR fork ) .IP \*(Bu 2 Disassociate from its process group (usually a shell), to insulate itself from signals (such as HUP) sent to the process group .IP \*(Bu 2 Ignore all terminal I/O signals .IP \*(Bu 2 Disassociate from the control terminal (and take steps not to reacquire one) .IP \*(Bu 2 Handle any .SM SIGCLD signals .PP Most programs that are designed to be run as daemons do that work for themselves. However, you'll occasionally run across one that does not. When you must run a daemon program that does not properly make itself into a true Unix daemon, you can use .B daemonize to force it to run as a true daemon. .SH OPTIONS .PP .IP -a Append to the output files, rather than overwriting them (which is the default). Only applicable if .I -e and/or .I -o are specified. .\" .IP "-c \fIdirectory\fP" Specifies the directory to which to change before running the program. Defaults to "/". The choice for this option is important. The file system containing the daemon's working directory cannot be unmounted while the daemon is running. That's why most daemons are careful to use a working directory on the root file system. .\" .IP "-e \fIstderr\fP" Redirect standard error to the specified file, instead of "/dev/null". .sp .B Warning: Be careful where you redirect the output! The file system containing the open file cannot be unmounted as long as the file is open. For best results, make sure that this output file is on the same file system as the daemon's working directory. (See the .I -c option.) .\" .IP "-E \fIname=value\fP" Add an environment variable to the environment the daemon will see. The parameter must be of the form .I name=value. This parameter may be specified multiple times. .\" .IP "-o \fIstdout\fP" Redirect standard output to the specified file, instead of "/dev/null". .sp .B Warning: Be careful where you redirect the output! The file system containing the open file cannot be unmounted as long as the file is open. For best results, make sure that this output file is on the same file system as the daemon's working directory. (See the .I -c option.) .\" .IP "-p \fIpidfile\fP" Causes .B daemonize to write the numeric process ID (PID) of the running daemon to the specified file. This option is useful when the program being daemonized doesn't create its own PID file. .IP "-l \fIlockfile\fP" Single-instance checking. Causes .B daemonize to ensure that no more than one instance of the daemon is running by placing an exclusive lock on given lockfile. If another process already has a lock on the lockfile, .I daemonize exits. .PP It .I is possible to use the .I pidfile as the lock file (e.g., "-p /var/run/foo -l /var/run/foo"), though typical daemons use separate files. .PP NOTE: If the executed program decides to close all file descriptors, the single-instance locking will not work, since the lock depends on an open file descriptor. (The operating system kernel removes the lock once the process holding the lock closes the file or exits.) Normal processes that do not daemonize themselves do not usually close all file descriptors. .\" .IP "-u \fIuser\fP" Run the program as the specified user. This option only works if .B daemonize is invoked by the superuser. Note: For obvious reasons, it's very dangerous to install .B daemonize as a .I setuid-to-root executable. For that reason, .B daemonize will refuse to run if it detects that it has been installed that way. .\" .IP -v Cause .B daemonize to write verbose messages to standard error, telling what it's doing as it daemonizes the program. .SH NOTES .PP If the host operating system provides the .BR daemon (3) library routine, .B daemonize will use it. Otherwise, .B daemonize uses its own version of .BR daemon (3). This choice is made at compile time. (BSD 4.4-derived operating systems tend to provide their own .BR daemon (3) routine.) .PP FreeBSD 5.0 introduced a .BR daemon (1) command that is similar to, but less functional, than .BR daemonize . .SH LICENSE .PP This program released under a BSD-style license. For more details, consult the LICENSE file accompanying the source distribution, or visit "http://software.clapper.org/daemonize/LICENSE". .SH SEE ALSO .PP .BR daemon (3), .BR setsid (2), .BR flock(2) .PP .B daemonize Home Page: http://software.clapper.org/daemonize/ .SH AUTHOR .PP Brian M. Clapper, .I "bmc clapper org" .SH CONTRIBUTORS .PP Support for the .I -e and .I -o options is based on a patch submitted by Tim Starling .I "(tstarling wikimedia org)." .PP Support for the .I -l option is based on a patch submitted by Yakov Lerner .I "(iler.ml gmail com)." daemonize-release-1.7.8/daemonize.c000066400000000000000000000341611275250316200172470ustar00rootroot00000000000000/*---------------------------------------------------------------------------*\ NAME daemonize - run a command as a Unix daemon DESCRIPTION See accompanying man page for full details. LICENSE This source code is released under a BSD-style license. See the LICENSE file for details. Copyright (c) 2003-2010 Brian M. Clapper, bmc@clapper.org \*---------------------------------------------------------------------------*/ #include #include #include #include #include #include #include #include #include #include #include #include "config.h" #include "version.h" /*---------------------------------------------------------------------------*\ Globals \*---------------------------------------------------------------------------*/ static const char *pid_file = NULL; static const char *out_file = NULL; static const char *err_file = NULL; static const char *lock_file = NULL; static bool be_verbose = FALSE; static const char *user = NULL; static char **cmd = NULL; static const char *cwd = "/"; static int null_fd = -1; static int out_fd = -1; static int err_fd = -1; static int append = 0; /*---------------------------------------------------------------------------*\ Private Functions \*---------------------------------------------------------------------------*/ /** * Akin to perl's die() function, this function prints the specified message * and exits the program with a non-zero error code. * * Parameters: * format - a printf format string * ... - any additional arguments as necessary to satisfy the format */ static void die(const char *format, ...) { va_list ap; va_start(ap, format); vfprintf(stderr, format, ap); va_end(ap); exit(1); } /** * Emits a message to standard output if the be_verbose flag is set. * * Parameters: * format - a printf format string * ... - any additional arguments as necessary to satisfy the format */ static void verbose(const char *format, ...) { va_list ap; if (be_verbose) { va_start(ap, format); vfprintf(stdout, format, ap); va_end(ap); } } /** * Emit the usage message and abort the program with a non-zero exit code. * * Parameters: * prog - name of program, from argv[0] */ static void usage(char *prog) { static const char *USAGE[] = { "Usage: %s [OPTIONS] path [arg] ...", "", "OPTIONS", "", "-a Append to, instead of overwriting, output files. Ignored ", " unless -e and/or -o are specified.", "-c Set daemon's working directory to .", "-e Send daemon's stderr to file , instead of /dev/null.", "-E var=value Pass environment setting to daemon. May appear multiple times.", "-o Send daemon's stdout to file , instead of /dev/null.", "-p Save PID to .", "-u Run daemon as user . Requires invocation as root.", "-l Single-instance checking using lockfile .", "-v Issue verbose messages to stdout while daemonizing." }; int i; prog = basename(prog); fprintf(stderr, "%s, version %s\n", prog, VERSION); for (i = 0; i < sizeof(USAGE) / sizeof(const char *); i++) { fprintf(stderr, USAGE[i], prog); fputc('\n', stderr); } exit(1); } /** * Add a string of the name "name=value" to the environment. Aborts on error. * * Parameters: * opt - option character, for errors * envvar - string of the form name=value */ static void add_to_env(char opt, const char *envvar) { char *eq = strchr(envvar, '='); if (eq == NULL) die("Argument to -%c (\"%s\") is not of the form name=value.\n", opt, envvar); /* Split the string into its name/value substrings. */ int name_len = (int) (eq - envvar); int val_len = (strlen(envvar) - name_len) - 1; char *name = (char *) malloc(name_len + 1); char *value = (char *) malloc(val_len + 1); *name = '\0'; *value = '\0'; (void) strncat(name, envvar, name_len); eq++; (void) strncat(value, eq, val_len); setenv(name, value, 1); free(name); free(value); } /** * Parse the command-line parameters, setting the various globals that are * affected by them. * * Parameters: * argc - argument count, as passed to main() * argv - argument vector, as passed to main() */ static void parse_params(int argc, char **argv) { int opt; int argsLeft; opterr = 0; /* NOTE: x_getopt() is the old public domain getopt(). The source lives in "getopt.c". The function's name has been changed to avoid conflicts with the native getopt() on the host operating system. So far, I've seen two kinds of conflicts: 1. GNU getopt() (e.g., on Linux systems) behaves differently from the old getopt(), unless POSIXLY_CORRECT is defined in the environment. Specifically, it insists on processing options even after the first non-option argument has been seen on the command line. Initially, I got around this problem by forcing the use of the included public domain getopt() function. 2. The types used in the included public domain getopt() conflict with the types of the native getopt() on some operating systems (e.g., Solaris 8). Using x_getopt() ensures that daemonize uses its own version, which always behaves consistently. */ while ( (opt = x_getopt(argc, argv, "ac:u:p:vo:e:E:l:")) != -1) { switch (opt) { case 'a': append = 1; break; case 'c': cwd = x_optarg; break; case 'p': pid_file = x_optarg; break; case 'v': be_verbose = TRUE; break; case 'u': user = x_optarg; break; case 'o': out_file = x_optarg; break; case 'e': err_file = x_optarg; break; case 'l': lock_file = x_optarg; break; case 'E': add_to_env('E', x_optarg); break; default: fprintf(stderr, "Bad option: -%c\n", x_optopt); usage(argv[0]); } } argsLeft = argc - x_optind; if (argsLeft < 1) usage(argv[0]); cmd = &argv[x_optind]; return; } /** * Switch the process's effective and real user IDs to the ID associated with * the specified user name. Also switches to that user's group ID to the * primary group associated with the user. * * This function calls die() if anything fails. * * Parameters: * user_name - name of user to which to switch * uid - current process user ID * pid_file - if non-NULL, specifies PID file path, ownership of which * should be changed to the user */ static void switch_user(const char *user_name, uid_t uid, const char *pid_file) { struct passwd *pw; if (uid != 0) die("Must be root to specify a different user.\n"); if ( (pw = getpwnam(user_name)) == NULL ) die("Can't find user \"%s\" in password file.\n", user_name); if (setgid(pw->pw_gid) != 0) die("Can't set gid to %d: %s\n", pw->pw_gid, strerror (errno)); /* For systems supporting multiple group memberships, make sure ALL groups are added to the process, just in case someone depends on them. Patch by Ken Farnen , 18 February 2010. Modified to put the #ifdef in the config.h header, rather than in here. */ if (initgroups(pw->pw_name, pw->pw_gid) == -1) die("Can't initialize secondary groups for \"%s\": %s\n", pw->pw_name, strerror (errno)); if (pid_file != NULL) { verbose("Changing ownership of PID file to \"%s\" (%d)\n", user, pw->pw_uid); if (chown(pid_file, pw->pw_uid, pw->pw_gid) == -1) { die("Can't change owner of PID file \"%s\" to \"%s\" (%d): %s\n", pid_file, user, pw->pw_uid, strerror (errno)); } } if (setegid(pw->pw_gid) != 0) die("Can't set egid to %d: %s\n", pw->pw_gid, strerror (errno)); if (setuid(pw->pw_uid) != 0) die("Can't set uid to %d: %s\n", pw->pw_uid, strerror (errno)); if (seteuid(pw->pw_uid) != 0) die("Can't set euid to %d: %s\n", pw->pw_uid, strerror (errno)); /* Initialize environment to match new username. Patch by Ken Farnen , 18 February 2010. */ setenv("USER", pw->pw_name,1); setenv("LOGNAME", pw->pw_name,1); setenv("HOME", pw->pw_dir,1); } /** * Open the specified output file. If the global "append" variable is set, * the file is opened in append mode; otherwise, it is overwritten. * * Parameters: * path - path to the output file * * Returns: * the file descriptor for the open file, or -1 on error. */ static int open_output_file(const char *path) { int flags = O_CREAT | O_WRONLY; if (append) { verbose("Appending to %s\n", path); flags |= O_APPEND; } else { verbose("Overwriting %s\n", path); flags |= O_TRUNC; } return open(path, flags, 0666); } /** * Opens all output files. */ static void open_output_files() { /* open files for stdout/stderr */ if ((out_file != NULL) || (err_file != NULL)) { if ((null_fd = open("/dev/null", O_WRONLY)) == -1) die("Can't open /dev/null: %s\n", strerror (errno)); close(STDIN_FILENO); dup2(null_fd, STDIN_FILENO); if (out_file != NULL) { if ((out_fd = open_output_file(out_file)) == -1) { die("Can't open \"%s\" for stdout: %s\n", out_file, strerror(errno)); } } else { out_fd = null_fd; } if (err_file != NULL) { if ((out_file != NULL) && (strcmp(err_file, out_file) == 0)) err_fd = out_fd; else if ((err_fd = open_output_file(err_file)) == -1) { die("Can't open \"%s\" for stderr: %s\n", err_file, strerror (errno)); } } else { err_fd = null_fd; } } } /** * Redirects standard output and error to someplace safe. */ static int redirect_stdout_stderr() { int rc = 0; /* Redirect stderr/stdout */ if ((out_file != NULL) || (err_file != NULL)) { close(STDIN_FILENO); close(STDOUT_FILENO); close(STDERR_FILENO); dup2(null_fd, STDIN_FILENO); dup2(out_fd, STDOUT_FILENO); dup2(err_fd, STDERR_FILENO); rc = 1; } return rc; } /*---------------------------------------------------------------------------*\ Main Program \*---------------------------------------------------------------------------*/ int main(int argc, char **argv) { uid_t uid = getuid(); int noclose = 0; int lockFD; struct stat st; if (geteuid() != uid) die("This executable is too dangerous to be setuid.\n"); parse_params(argc, argv); if (cmd[0][0] != '/') die("The 'path' parameter must be an absolute path name.\n"); /* Verify that the path to the command points to an existing file. */ if (access(cmd[0], X_OK) == -1) die("File \"%s\" is not executable.\n", cmd[0]); /* Note: A directory will also pass the X_OK test, so test further with stat(). */ if (stat(cmd[0], &st)) die("File \"%s\" does not exist.\n", cmd[0]); if(! S_ISREG(st.st_mode)) die("File \"%s\" is not regular file.\n", cmd[0]); if (lock_file) { lockFD = open(lock_file, O_CREAT | O_WRONLY, S_IRUSR | S_IWUSR); if (lockFD < 0) die("Can't create lock file \"%s\": %s\n", lock_file, strerror (errno)); if (flock(lockFD, LOCK_EX | LOCK_NB) != 0) die("Can't lock the lock file \"%s\". " "Is another instance running?\n", lock_file); } if (pid_file != NULL) { int fd; verbose("Creating PID file \"%s\".\n", pid_file); fd = open(pid_file, O_CREAT | O_WRONLY, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH); if (fd < 0) { die ("Can't create PID file \"%s\": %s\n", pid_file, strerror (errno)); } close(fd); } if (user != NULL) switch_user(user, uid, pid_file); open_output_files(); if (chdir (cwd) != 0) { die("Can't change working directory to \"%s\": %s\n", cwd, strerror (errno)); } verbose("Daemonizing..."); if (redirect_stdout_stderr()) noclose = 1; if (daemon (1, noclose) != 0) die("Can't daemonize: %s\n", strerror (errno)); if (chdir(cwd) != 0) { die("Can't change working directory to \"%s\": %s\n", cwd, strerror (errno)); } if (pid_file != NULL) { FILE *fPid = NULL; verbose("Writing process ID to \"%s\".\n", pid_file); if ( (fPid = fopen (pid_file, "w")) == NULL ) { die("Can't open PID file \"%s\": %s\n", pid_file, strerror (errno)); } fprintf(fPid, "%d\n", getpid()); fclose(fPid); } /* Make sure we have a relatively sane environment Patch by Ken Farnen , 18 February 2010. */ if (getenv("IFS") == NULL) setenv("IFS"," \t\n",1); if (getenv("PATH") == NULL) setenv("PATH","/usr/local/sbin:/sbin:/bin:/usr/sbin:/usr/bin", 1); execvp(cmd[0], cmd); die("Can't exec \"%s\": %s\n", cmd[0], strerror (errno)); } /* vim: set et sw=4 sts=4 : */ daemonize-release-1.7.8/flock.c000066400000000000000000000025001275250316200163620ustar00rootroot00000000000000/*---------------------------------------------------------------------------*\ NAME flock.c - flock(2), emulated (more or less) in terms of lockf(3) BUGS Doesn't support shared locks. LICENSE This source code is released under a BSD-style. See the LICENSE file for details. Copyright (c) 2011-2015 Brian M. Clapper, bmc@clapper.org \*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*\ Includes \*---------------------------------------------------------------------------*/ #include #include #ifdef HAVE_SYS_FILE_H #include #endif /* HAVE_SYS_FILE_H */ #include "config.h" #include "flock.h" /*---------------------------------------------------------------------------*\ Public Routines \*---------------------------------------------------------------------------*/ int flock(int fd, int op) { int cmd = 0; errno = 0; if (op & LOCK_UN) cmd = F_ULOCK; else if (op & LOCK_SH) /* can't emulate shared lock with lockf() */ errno = EINVAL; else if (op & LOCK_NB) cmd = F_TLOCK; else cmd = F_LOCK; return lockf(fd, cmd, 0); } daemonize-release-1.7.8/flock.h000066400000000000000000000011101275250316200163630ustar00rootroot00000000000000/*---------------------------------------------------------------------------*\ NAME flock.c - flock(2), emulated (more or less) in terms of lockf LICENSE This source code is released under a BSD-style. See the LICENSE file for details. Copyright (c) 2003-2015 Brian M. Clapper, bmc@clapper.org \*---------------------------------------------------------------------------*/ #ifndef __DAEMONIZE_FLOCK_H__ #define __DAEMONIZE_FLOCK_H__ 1 #define LOCK_SH 1 #define LOCK_EX 2 #define LOCK_UN 4 #define LOCK_NB 8 #endif /* __DAEMONIZE_FLOCK_H__ */ daemonize-release-1.7.8/getopt.c000066400000000000000000000063571275250316200166040ustar00rootroot00000000000000/*---------------------------------------------------------------------------*\ This code has been adapted from the original AT&T public domain implementation of getopt(3). The following comment comes from the original source, as posted to a newsgroup in 1987. The original SCCS ID attached to this code was: @(#)getopt.c 2.5 (smail) 9/15/87 I have ANSI-fied this code and remove the #define of the `index' macro. In all other respects, it is identical to the original, posted source. This source file is not subject to the license in this directory; it is in the public domain. \*---------------------------------------------------------------------------*/ /* * Here's something you've all been waiting for: the AT&T public domain * source for getopt(3). It is the code which was given out at the 1985 * UNIFORUM conference in Dallas. I obtained it by electronic mail * directly from AT&T. The people there assure me that it is indeed * in the public domain. * * There is no manual page. That is because the one they gave out at * UNIFORUM was slightly different from the current System V Release 2 * manual page. The difference apparently involved a note about the * famous rules 5 and 6, recommending using white space between an option * and its first argument, and not grouping options that have arguments. * Getopt itself is currently lenient about both of these things White * space is allowed, but not mandatory, and the last option in a group can * have an argument. That particular version of the man page evidently * has no official existence, and my source at AT&T did not send a copy. * The current SVR2 man page reflects the actual behavor of this getopt. * However, I am not about to post a copy of anything licensed by AT&T. * * ---- * NOTE: To avoid conflicts with existing system getopt routines, I've * changed the names of the function and external variables from getopt(), * optind, etc., to x_getopt(), x_optind, etc. * */ #include /* We're ANSI now; we're guaranteed to have strchr(). */ #include #define ERR(s, c) if(x_opterr){\ extern int write();\ char errbuf[2];\ errbuf[0] = c; errbuf[1] = '\n';\ (void) write(2, argv[0], (unsigned)strlen(argv[0]));\ (void) write(2, s, (unsigned)strlen(s));\ (void) write(2, errbuf, 2);} int x_opterr = 1; int x_optind = 1; int x_optopt; char *x_optarg; int x_getopt(int argc, char **argv, const char *opts) { static int sp = 1; register int c; register char *cp; if(sp == 1) { if(x_optind >= argc || argv[x_optind][0] != '-' || argv[x_optind][1] == '\0') { return(EOF); } else if(strcmp(argv[x_optind], "--") == 0) { x_optind++; return(EOF); } } x_optopt = c = argv[x_optind][sp]; if(c == ':' || (cp=strchr(opts, c)) == NULL) { ERR(": illegal option -- ", c); if(argv[x_optind][++sp] == '\0') { x_optind++; sp = 1; } return('?'); } if(*++cp == ':') { if(argv[x_optind][sp+1] != '\0') x_optarg = &argv[x_optind++][sp+1]; else if(++x_optind >= argc) { ERR(": option requires an argument -- ", c); sp = 1; return('?'); } else x_optarg = argv[x_optind++]; sp = 1; } else { if(argv[x_optind][++sp] == '\0') { sp = 1; x_optind++; } x_optarg = NULL; } return(c); } daemonize-release-1.7.8/install-sh000077500000000000000000000127211275250316200171320ustar00rootroot00000000000000#! /bin/sh # # install - install a program, script, or datafile # This comes from X11R5 (mit/util/scripts/install.sh). # # Copyright 1991 by the Massachusetts Institute of Technology # # Permission to use, copy, modify, distribute, and sell this software and its # documentation for any purpose is hereby granted without fee, provided that # the above copyright notice appear in all copies and that both that # copyright notice and this permission notice appear in supporting # documentation, and that the name of M.I.T. not be used in advertising or # publicity pertaining to distribution of the software without specific, # written prior permission. M.I.T. makes no representations about the # suitability of this software for any purpose. It is provided "as is" # without express or implied warranty. # # 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 "install: no input file specified" exit 1 else true fi if [ x"$dir_arg" != x ]; then dst=$src src="" if [ -d $dst ]; then instcmd=: else instcmd=mkdir fi else # Waiting for this to be detected by the "$instcmd $src $dsttmp" command # might cause directories to be created, which would be especially bad # if $src (and thus $dsttmp) contains '*'. if [ -f $src -o -d $src ] then true else echo "install: $src does not exist" exit 1 fi if [ x"$dst" = x ] then echo "install: no destination specified" exit 1 else true 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 true 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 true fi pathcomp="${pathcomp}/" done fi if [ x"$dir_arg" != x ] then $doit $instcmd $dst && if [ x"$chowncmd" != x ]; then $doit $chowncmd $dst; else true ; fi && if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dst; else true ; fi && if [ x"$stripcmd" != x ]; then $doit $stripcmd $dst; else true ; fi && if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dst; else true ; fi else # If we're going to rename the final executable, determine the name now. if [ x"$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 $dst` else true fi # Make a temp file name in the proper directory. dsttmp=$dstdir/#inst.$$# # Move or copy the file name to the temp name $doit $instcmd $src $dsttmp && trap "rm -f ${dsttmp}" 0 && # and set any options; do chmod last to preserve setuid bits # If any of these fail, we abort the whole thing. If we want to # ignore errors from any of these, just make sure not to ignore # errors from the above "$doit $instcmd $src $dsttmp" command. if [ x"$chowncmd" != x ]; then $doit $chowncmd $dsttmp; else true;fi && if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dsttmp; else true;fi && if [ x"$stripcmd" != x ]; then $doit $stripcmd $dsttmp; else true;fi && if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dsttmp; else true;fi && # Now rename the file to the real destination. $doit $rmcmd -f $dstdir/$dstfile && $doit $mvcmd $dsttmp $dstdir/$dstfile fi && exit 0 daemonize-release-1.7.8/setenv.c000066400000000000000000000025001275250316200165700ustar00rootroot00000000000000/*---------------------------------------------------------------------------*\ Version of the POSIX setenv(3) function, implemented in terms of the older putenv(3) function, for systems that don't have setenv(3). LICENSE This source code is released under a BSD-style. See the LICENSE file for details. \*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*\ Includes \*---------------------------------------------------------------------------*/ #include #include #include "config.h" /*---------------------------------------------------------------------------*\ Public Routines \*---------------------------------------------------------------------------*/ int setenv(const char *name, const char *value, int overwrite) { int res = 0; if ((name == NULL) || (strlen(name) == 0) || (strchr(name, '=') != NULL)) { res = -1; errno = EINVAL; } else { char *buf = (char *) malloc(strlen(name) + strlen(value) + 2); strncat(buf, name, strlen(name)); strncat(buf, "=", 1); strncat(buf, value, strlen(value)); res = putenv(buf); } return res; } daemonize-release-1.7.8/strerror.c000066400000000000000000000032441275250316200171540ustar00rootroot00000000000000/*---------------------------------------------------------------------------*\ NAME strerror - get string representation of errno value DESCRIPTION Replacement for standard C strerror() function, in case it's missing. Not thread-safe. LICENSE This source code is released under a BSD-style license. See the LICENSE file for details. Copyright (c) 2003-2015 Brian M. Clapper, bmc@clapper.org \*---------------------------------------------------------------------------*/ #define MAX_INT_DIGITS (11) /* max. digits in a LONG (w/ sign) */ char *strerror (const int errno) { extern char *sys_errlist []; /* list of error messages */ extern int sys_nerr; /* size of sys_errlist */ static char buffer [MAX_INT_DIGITS + 1]; char *result; /* function result */ if ( (errno >= 0) && (errno < sys_nerr) ) result = sys_errlist[errno]; else { /* To avoid possible buffer overflow, avoid using sprintf() with "%d". snprintf() isn't available everywhere, so we convert the error code to a string manually. This is ASCII/ISO-8859-1 specific. */ int i = MAX_INT_DIGITS; int save_errno = errno; int neg = 0; int stop = 0; buffer[i] = '\0'; if (save_errno < 0) { neg++; stop = 1; save_errno = -save_errno; } while ( (--i >= stop) && (save_errno != 0) ) { int digit = save_errno % 10; save_errno /= 10; buffer[i] = (char) (digit + '0'); } if (neg) buffer[i] = '-'; result = &(buffer[i]); } return (result); } daemonize-release-1.7.8/testdaemon.c000066400000000000000000000034701275250316200174360ustar00rootroot00000000000000/*---------------------------------------------------------------------------*\ NAME testdaemon - simple test daemon DESCRIPTION Simple test daemon. Loops forever and writes to stdout and stderr. LICENSE This source code is released under a BSD-style license. See the LICENSE file for details. Copyright (c) 2003-2015 Brian M. Clapper, bmc@clapper.org \*---------------------------------------------------------------------------*/ #include #include #include #include #include /*---------------------------------------------------------------------------*\ Private Functions \*---------------------------------------------------------------------------*/ static char buf[64]; static const char *current_time() { time_t now; now = time ((time_t *) 0); strftime (buf, sizeof (buf), "%Y/%m/%d %H:%M:%S", localtime (&now)); return buf; } static void msg (FILE *fp, const char *format, ...) { va_list ap; fputc ('[', fp); fputs (current_time(), fp); fputs ("] ", fp); va_start (ap, format); vfprintf (fp, format, ap); va_end (ap); fputc ('\n', fp); fflush (fp); } /*---------------------------------------------------------------------------*\ Main Program \*---------------------------------------------------------------------------*/ int main (int argc, char **argv) { char cwdbuf[256]; msg (stdout, "----------- NEW RUN"); msg (stderr, "----------- NEW RUN"); msg (stdout, "Working directory=%s", getcwd (cwdbuf, sizeof (cwdbuf))); for (;;) { sleep (2); msg (stdout, "Message to standard output."); msg (stderr, "Message to standard error."); } return 0; } /* vim: set et sw=4 sts=4 : */ daemonize-release-1.7.8/version.h000066400000000000000000000001041275250316200167540ustar00rootroot00000000000000/* Version stamp */ #ifndef VERSION #define VERSION "1.7.8" #endif