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  • Committer: Teddy Hogeborn
  • Date: 2024-11-17 18:43:11 UTC
  • Revision ID: teddy@recompile.se-20241117184311-ox25kvngy62h209g
Debian package: Avoid suggesting a C compiler unnecessarily

The list of suggested packages, meant to enable the "mandos" program
to find the correct value of SO_BINDTODEVICE by using a C compiler,
are not necessary when Python 3.3 or later is used, since it has the
SO_BINDTODEVICE constant defined in the "socket" module.  Also, Python
2.6 or older has the same constant in the old "IN" module.  Therefore,
we should suggest these Python versions as alternatives to a C
compiler, so that a C compiler is not installed unnecessarily.

debian/control (Package: mandos/Suggests): Add "python3 (>= 3.3)" and
"python (<= 2.6)" as alternatives to "libc6-dev | libc-dev" and
"c-compiler".

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plugins.d/splashy.c
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/*
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 * Splashy - Read a password from splashy and output it
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 * 
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 * Copyright © 2008-2018 Teddy Hogeborn
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 * Copyright © 2008-2018 Björn Påhlsson
 
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 * Copyright © 2008-2018, 2021-2022 Teddy Hogeborn
 
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 * Copyright © 2008-2018, 2021-2022 Björn Påhlsson
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 * 
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 * This file is part of Mandos.
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 * 
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 * Contact the authors at <mandos@recompile.se>.
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 */
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#define _GNU_SOURCE             /* TEMP_FAILURE_RETRY(), asprintf() */
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#include <signal.h>             /* sig_atomic_t, struct sigaction,
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                                   sigemptyset(), sigaddset(), SIGINT,
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                                   SIGHUP, SIGTERM, sigaction,
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                                   SIG_IGN, kill(), SIGKILL */
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#include <stddef.h>             /* NULL */
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#include <stdlib.h>             /* getenv() */
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#include <stdio.h>              /* asprintf(), vasprintf(), vprintf(),
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                                   fprintf() */
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#include <stdlib.h>             /* EXIT_FAILURE, free(),
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                                   EXIT_SUCCESS */
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#include <sys/types.h>          /* pid_t, DIR, struct dirent,
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                                   ssize_t */
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#include <dirent.h>             /* opendir(), readdir(), closedir() */
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#include <inttypes.h>           /* intmax_t, strtoimax() */
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#include <sys/stat.h>           /* struct stat, lstat(), S_ISLNK */
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#include <iso646.h>             /* not, or, and */
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#include <unistd.h>             /* readlink(), fork(), execl(),
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                                   sleep(), dup2() STDERR_FILENO,
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                                   STDOUT_FILENO, _exit(),
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                                   pause() */
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#include <string.h>             /* memcmp(), strerror() */
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#include <errno.h>              /* errno, EACCES, ENOTDIR, ELOOP,
 
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#define _GNU_SOURCE             /* vasprintf(),
 
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                                   program_invocation_short_name,
 
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                                   asprintf(), TEMP_FAILURE_RETRY() */
 
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#include <sys/types.h>          /* sig_atomic_t, pid_t, setuid(),
 
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                                   geteuid(), setsid() */
 
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#include <stdarg.h>             /* va_list, va_start(), vfprintf() */
 
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#include <stdio.h>              /* vasprintf(), fprintf(), stderr,
 
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                                   vfprintf(), asprintf() */
 
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#include <errno.h>              /* program_invocation_short_name,
 
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                                   errno, EACCES, ENOTDIR, ELOOP,
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                                   ENOENT, ENAMETOOLONG, EMFILE,
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                                   ENFILE, ENOMEM, ENOEXEC, EINVAL,
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                                   E2BIG, EFAULT, EIO, ETXTBSY,
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                                   EISDIR, ELIBBAD, EPERM, EINTR,
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                                   ECHILD */
 
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#include <string.h>             /* strerror(), memcmp() */
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#include <error.h>              /* error() */
 
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#include <stdlib.h>             /* free(), EXIT_FAILURE, getenv(),
 
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                                   EXIT_SUCCESS, abort() */
 
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#include <stddef.h>             /* NULL */
 
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#include <dirent.h>             /* DIR, opendir(), struct dirent,
 
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                                   readdir(), closedir() */
 
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#include <sysexits.h>           /* EX_OSERR, EX_OSFILE,
 
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                                   EX_UNAVAILABLE */
 
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#include <inttypes.h>           /* intmax_t, strtoimax() */
 
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#include <iso646.h>             /* or, not, and */
 
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#include <unistd.h>             /* ssize_t, readlink(), fork(),
 
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                                   execl(), _exit(),
 
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                                   TEMP_FAILURE_RETRY(), sleep(),
 
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                                   setuid(), geteuid(), setsid(),
 
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                                   chdir(), dup2(), STDERR_FILENO,
 
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                                   STDOUT_FILENO, pause() */
 
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#include <sys/stat.h>           /* struct stat, lstat(), S_ISLNK() */
 
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#include <signal.h>             /* struct sigaction, sigemptyset(),
 
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                                   sigaddset(), SIGINT, SIGHUP,
 
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                                   SIGTERM, SIG_IGN, kill(), SIGKILL,
 
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                                   SIG_DFL, raise() */
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#include <sys/wait.h>           /* waitpid(), WIFEXITED(),
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                                   WEXITSTATUS() */
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#include <sysexits.h>           /* EX_OSERR, EX_OSFILE,
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                                   EX_UNAVAILABLE */
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#include <stdarg.h>             /* va_list, va_start(), ... */
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sig_atomic_t interrupted_by_signal = 0;
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int signal_received;