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* Mandos plugin runner - Run Mandos plugins
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* Copyright © 2008-2016 Teddy Hogeborn
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* Copyright © 2008-2016 Björn Påhlsson
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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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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful, but
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* Copyright © 2008-2018 Teddy Hogeborn
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* Copyright © 2008-2018 Björn Påhlsson
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* This file is part of Mandos.
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* Mandos is free software: you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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* Mandos is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see
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* <http://www.gnu.org/licenses/>.
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* along with Mandos. If not, see <http://www.gnu.org/licenses/>.
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* Contact the authors at <mandos@recompile.se>.
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case '?': /* --help */
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state->flags &= ~(unsigned int)ARGP_NO_EXIT; /* force exit */
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argp_state_help(state, state->out_stream, ARGP_HELP_STD_HELP);
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__builtin_unreachable();
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case -3: /* --usage */
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state->flags &= ~(unsigned int)ARGP_NO_EXIT; /* force exit */
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argp_state_help(state, state->out_stream,
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ARGP_HELP_USAGE | ARGP_HELP_EXIT_OK);
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__builtin_unreachable();
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case 'V': /* --version */
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fprintf(state->out_stream, "%s\n", argp_program_version);
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exit(EXIT_SUCCESS);
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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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new_plugin->pid = pid;
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new_plugin->fd = pipefd[0];
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fprintf(stderr, "Plugin %s started (PID %" PRIdMAX ")\n",
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new_plugin->name, (intmax_t) (new_plugin->pid));
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/* Unblock SIGCHLD so signal handler can be run if this process
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has already completed */
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ret = (int)TEMP_FAILURE_RETRY(sigprocmask(SIG_UNBLOCK,