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  • Committer: Teddy Hogeborn
  • Date: 2017-08-20 14:14:14 UTC
  • mto: (237.7.594 trunk)
  • mto: This revision was merged to the branch mainline in revision 360.
  • Revision ID: teddy@recompile.se-20170820141414-m034xuebg7ccaeui
Add some more restrictions to the systemd service file.

* mandos.service ([Service]/ProtectKernelTunables): New; set to "yes".
  ([Service]/ProtectControlGroups): - '' -

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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 © 2008-2016 Teddy Hogeborn
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 * Copyright © 2008-2016 Björn Påhlsson
 
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 * Copyright © 2008-2017 Teddy Hogeborn
 
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 * Copyright © 2008-2017 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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#include <sys/select.h>         /* fd_set, select(), FD_ZERO(),
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                                   FD_SET(), FD_ISSET(), FD_CLR */
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#include <sys/wait.h>           /* wait(), waitpid(), WIFEXITED(),
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                                   WEXITSTATUS(), WTERMSIG(),
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                                   WCOREDUMP() */
 
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                                   WEXITSTATUS(), WTERMSIG() */
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#include <sys/stat.h>           /* struct stat, fstat(), S_ISREG() */
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#include <iso646.h>             /* and, or, not */
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#include <dirent.h>             /* struct dirent, scandirat() */
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  }
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  if(debug){
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    for(plugin *p = plugin_list; p != NULL; p=p->next){
 
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    for(plugin *p = plugin_list; p != NULL; p = p->next){
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      fprintf(stderr, "Plugin: %s has %d arguments\n",
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              p->name ? p->name : "Global", p->argc - 1);
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      for(char **a = p->argv; *a != NULL; a++){
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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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       <https://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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      if(errno != ENOENT){
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                      (intmax_t) (proc->pid),
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                      WTERMSIG(proc->status),
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                      strsignal(WTERMSIG(proc->status)));
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            } else if(WCOREDUMP(proc->status)){
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              fprintf(stderr, "Plugin %s [%" PRIdMAX "] dumped"
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                      " core\n", proc->name, (intmax_t) (proc->pid));
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            }
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          }
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