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Viewing changes to plugin-runner.c

  • Committer: Teddy Hogeborn
  • Date: 2008-12-29 02:44:54 UTC
  • Revision ID: teddy@fukt.bsnet.se-20081229024454-nbsei556dwy5azr1
* mandos (Client.timeout, Client.interval): Changed from being a
                                            property to be a normal
                                            attribute.
  (Client._timeout, Client._interval): Removed.
  (Client._timeout_milliseconds): Changed from being an attribute to
                                  be a method "timeout_milliseconds".
                                  All users changed.
  (Client._interval_milliseconds): Changed from being an attribute to
                                   be method "interval_milliseconds".
                                   All users changed.
  (Client.__init__): Take additional "use_dbus" keyword argument.
                     Only provide D-Bus interface if "use_dbus" is
                     True.
  (Client.use_dbus): New attribute.
  (Client.dbus_object_path): Changed to only be set if "self.use_dbus"
                             is True.
  (Client.enable, Client.disable, Client.checker_callback,
  Client.bump_timeout, Client.start_checker, Client.stop_checker):
  Only emit D-Bus signals if "self.use_dbus".
  (Client.SetChecker, Client.SetHost, Client.Enable): Bug fix: Emit
                                                      D-Bus signals.
  (Client.SetInterval, Client.SetTimeout): Changed to emit D-Bus
                                           signals.

  (main): Remove deprecated "default" keyword argument to "--check"
          option.  Added new "--no-dbus" option.  Added corresponding
          "use_dbus" server configuration option.  Only provide D-Bus
          interface and emit D-Bus signals if "use_dbus".  Pass
          "use_dbus" on to Client constructor.

* mandos-options.xml ([@id="dbus"]): New option.

* mandos.conf (use_dbus): New option.

* mandos.conf.xml (OPTIONS): New option "use_dbus".
  (EXAMPLE): - '' -

* mandos.xml (SYNOPSIS): New option "--no-dbus".
  (D-BUS INTERFACE): New section.

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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 © 2007-2008 Teddy Hogeborn & Björn Påhlsson
 
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 * Copyright © 2008 Teddy Hogeborn
 
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 * Copyright © 2008 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 <stdlib.h>             /* malloc(), exit(), EXIT_FAILURE,
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                                   EXIT_SUCCESS, realloc() */
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#include <stdbool.h>            /* bool, true, false */
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#include <stdio.h>              /* perror, popen(), fileno(),
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                                   fprintf(), stderr, STDOUT_FILENO */
 
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#include <stdio.h>              /* perror, fileno(), fprintf(),
 
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                                   stderr, STDOUT_FILENO */
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#include <sys/types.h>          /* DIR, opendir(), stat(), struct
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                                   stat, waitpid(), WIFEXITED(),
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                                   WEXITSTATUS(), wait(), pid_t,
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                                   fcntl(), setuid(), setgid(),
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                                   F_GETFD, F_SETFD, FD_CLOEXEC,
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                                   access(), pipe(), fork(), close()
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                                   dup2, STDOUT_FILENO, _exit(),
 
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                                   dup2(), STDOUT_FILENO, _exit(),
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                                   execv(), write(), read(),
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                                   close() */
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#include <fcntl.h>              /* fcntl(), F_GETFD, F_SETFD,
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#define PDIR "/lib/mandos/plugins.d"
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#define AFILE "/conf/conf.d/mandos/plugin-runner.conf"
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const char *argp_program_version = "plugin-runner 1.0";
 
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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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typedef struct plugin{
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      const char const *bad_suffixes[] = { "~", "#", ".dpkg-new",
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                                           ".dpkg-old",
 
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                                           ".dpkg-bak",
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                                           ".dpkg-divert", NULL };
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      for(const char **pre = bad_prefixes; *pre != NULL; pre++){
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        size_t pre_len = strlen(*pre);
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        perror("sigaction");
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        _exit(EXIT_FAILURE);
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      }
849
 
      ret = sigprocmask (SIG_UNBLOCK, &sigchld_action.sa_mask, NULL);
 
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      ret = sigprocmask(SIG_UNBLOCK, &sigchld_action.sa_mask, NULL);
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      if(ret < 0){
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        perror("sigprocmask");
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        _exit(EXIT_FAILURE);
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      }
854
 
 
 
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      ret = dup2(pipefd[1], STDOUT_FILENO); /* replace our stdout */
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      if(ret == -1){
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        perror("dup2");
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    if (maxfd < new_plugin->fd){
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      maxfd = new_plugin->fd;
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    }
910
 
    
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  }
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913
  
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  closedir(dir);
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  dir = NULL;
915
 
 
 
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  for(plugin *p = plugin_list; p != NULL; p = p->next){
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    if(p->pid != 0){
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      break;
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      free_plugin_list();
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    }
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  }
926
 
 
 
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  /* Main loop while running plugins exist */
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  while(plugin_list){
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    fd_set rfds = rfds_all;
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            goto fallback;
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          }
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          plugin *next_plugin = proc->next;
 
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          free_plugin(proc);
 
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          proc = next_plugin;
 
976
          
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          /* We are done modifying process list, so unblock signal */
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          ret = sigprocmask (SIG_UNBLOCK, &sigchld_action.sa_mask,
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                             NULL);
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            break;
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          }
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985
 
          plugin *next_plugin = proc->next;
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          free_plugin(proc);
987
 
          proc = next_plugin;
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          continue;
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        }
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        /* This process exited nicely, so print its buffer */
992
 
 
 
994
        
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        bool bret = print_out_password(proc->buffer,
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                                       proc->buffer_length);
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        if(not bret){
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    perror("sigaction");
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    exitstatus = EXIT_FAILURE;
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  }
1064
 
 
 
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  if(custom_argv != NULL){
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    for(char **arg = custom_argv+1; *arg != NULL; arg++){
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      free(*arg);
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    closedir(dir);
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  }
1075
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1076
 
  /* Free the process list and kill the processes */
 
1078
  /* Kill the processes */
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  for(plugin *p = plugin_list; p != NULL; p = p->next){
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    if(p->pid != 0){
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      close(p->fd);
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  if(errno != ECHILD){
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    perror("wait");
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  }
1095
 
 
 
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  free_plugin_list();
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  free(plugindir);