/mandos/release

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Hooks take new "modules" argument, and hook names can contain periods.

* debian/mandos-client.README.Debian: Adjust wording.
* debian/rules (binary-common): Exclude nework-hooks.d directory from
                                dh_fixperms.
* initramfs-tools-hook: Also create network hook directory.  Allow
                        periods in hook names.  Only run executable
                        files in hook directory.  Copy needed modules.
* network-hooks.d/bridge: Fix "/usr/bin/brctl" to "/usr/sbin/brctl".
                          Also take "modules" argument.
* plugins.d/mandos-client.xml (NETWORK HOOKS/REQUIREMENTS): Document
                                                            the
                                                            allowing
                                                            of periods
                                                            in hook
                                                            names.
  (NETWORK HOOKS/REQUIREMENTS/files): Adjust wording.
  (NETWORK HOOKS/REQUIREMENTS/modules): New.
  (NETWORK HOOKS/REQUIREMENTS/MANDOSNETHOOKDIR): Clarify.
  (NETWORK HOOKS/REQUIREMENTS/MODE): Add "modules".

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Lines of Context:
plugin-runner.c
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/*
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 * Mandos plugin runner - Run Mandos plugins
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 *
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 * Copyright © 2008-2010 Teddy Hogeborn
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 * Copyright © 2008-2010 Björn Påhlsson
 
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 * Copyright © 2008-2011 Teddy Hogeborn
 
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 * Copyright © 2008-2011 Björn Påhlsson
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 * 
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 * This program is free software: you can redistribute it and/or
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 * modify it under the terms of the GNU General Public License as
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 * along with this program.  If not, see
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 * <http://www.gnu.org/licenses/>.
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 * 
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 * Contact the authors at <mandos@fukt.bsnet.se>.
 
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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(), getline(),
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#define AFILE "/conf/conf.d/mandos/plugin-runner.conf"
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const char *argp_program_version = "plugin-runner " VERSION;
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const char *argp_program_bug_address = "<mandos@fukt.bsnet.se>";
 
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const char *argp_program_bug_address = "<mandos@recompile.se>";
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typedef struct plugin{
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  char *name;                   /* can be NULL or any plugin name */
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    }
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  }
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  /* Strip permissions down to nobody */
 
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  if(getuid() == 0){
 
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    /* Work around Debian bug #633582:
 
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       <http://bugs.debian.org/633582> */
 
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    int plugindir_fd = open(/* plugindir or */ PDIR, O_RDONLY);
 
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    if(plugindir_fd == -1){
 
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      error(0, errno, "open");
 
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    } else {
 
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      ret = (int)TEMP_FAILURE_RETRY(fstat(plugindir_fd, &st));
 
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      if(ret == -1){
 
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        error(0, errno, "fstat");
 
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      } else {
 
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        if(S_ISDIR(st.st_mode) and st.st_uid == 0 and st.st_gid == 0){
 
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          ret = fchown(plugindir_fd, uid, gid);
 
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          if(ret == -1){
 
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            error(0, errno, "fchown");
 
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          }
 
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        }
 
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      }
 
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      TEMP_FAILURE_RETRY(close(plugindir_fd));
 
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    }
 
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  }
 
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  /* Lower permissions */
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  setgid(gid);
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  if(ret == -1){
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    error(0, errno, "setgid");