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Viewing changes to plugin-runner.c

Committer: Teddy Hogeborn
Date: 2014-07-16 23:44:54 UTC
Revision ID: teddy@recompile.se-20140716234454-6erpylmbf5qzndf3

mandos-client: Fix bug with GPGME 1.5.0.

* initramfs-tools-hook: If GPGME is 1.5.0 or later, copy "gpgconfig"
to RAM file system and do what GPGME does:
run "gpgconfig" to find GnuPG binary.

Show diffs side-by-side

added added

removed removed

plugin-runner.c

#define BUFFER_SIZE 256

#define PDIR "/lib/mandos/plugins.d"

#define PHDIR "/lib/mandos/plugin-helpers"

#define AFILE "/conf/conf.d/mandos/plugin-runner.conf"

const char *argp_program_version = "plugin-runner " VERSION;

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int main(int argc, char *argv[]){

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char *plugindir = NULL;

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char *pluginhelperdir = NULL;

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char *argfile = NULL;

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FILE *conffp;

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struct dirent **direntries = NULL;

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.doc = "Group ID the plugins will run as", .group = 3 },

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{ .name = "debug", .key = 132,

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.doc = "Debug mode", .group = 4 },

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{ .name = "plugin-helper-dir", .key = 133,

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.arg = "DIRECTORY",

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.doc = "Specify a different plugin helper directory",

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.group = 2 },

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* These reproduce what we would get without ARGP_NO_HELP

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case 132: /* --debug */

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debug = true;

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break;

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case 133: /* --plugin-helper-dir */

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free(pluginhelperdir);

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pluginhelperdir = strdup(arg);

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if(pluginhelperdir != NULL){

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errno = 0;

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}

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break;

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* These reproduce what we would get without ARGP_NO_HELP

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case 130: /* --userid */

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case 131: /* --groupid */

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case 132: /* --debug */

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case 133: /* --plugin-helper-dir */

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case '?': /* --help */

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case -3: /* --usage */

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case 'V': /* --version */

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goto fallback;

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}

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{

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char *pluginhelperenv;

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bool bret = true;

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ret = asprintf(&pluginhelperenv, "MANDOSPLUGINHELPERDIR=%s",

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pluginhelperdir != NULL ? pluginhelperdir : PHDIR);

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if(ret != -1){

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bret = add_environment(getplugin(NULL), pluginhelperenv, true);

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}

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if(ret == -1 or not bret){

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error(0, errno, "Failed to set MANDOSPLUGINHELPERDIR"

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" environment variable to \"%s\" for all plugins\n",

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pluginhelperdir != NULL ? pluginhelperdir : PHDIR);

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}

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if(ret != -1){

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free(pluginhelperenv);

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}

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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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fprintf(stderr, "Plugin: %s has %d arguments\n",

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}

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}

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}

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close(plugindir_fd);

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TEMP_FAILURE_RETRY(close(plugindir_fd));

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}

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}

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ret = (int)TEMP_FAILURE_RETRY(fstat(plugin_fd, &st));

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if(ret == -1){

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error(0, errno, "stat");

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close(plugin_fd);

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TEMP_FAILURE_RETRY(close(plugin_fd));

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free(direntries[i]);

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continue;

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}

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plugindir != NULL ? plugindir : PDIR,

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direntries[i]->d_name);

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}

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close(plugin_fd);

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TEMP_FAILURE_RETRY(close(plugin_fd));

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free(direntries[i]);

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continue;

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}

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plugin *p = getplugin(direntries[i]->d_name);

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if(p == NULL){

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error(0, errno, "getplugin");

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close(plugin_fd);

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TEMP_FAILURE_RETRY(close(plugin_fd));

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free(direntries[i]);

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continue;

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}

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fprintf(stderr, "Ignoring disabled plugin \"%s\"\n",

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direntries[i]->d_name);

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}

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close(plugin_fd);

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TEMP_FAILURE_RETRY(close(plugin_fd));

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free(direntries[i]);

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continue;

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}

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if(pipefd[0] >= FD_SETSIZE){

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fprintf(stderr, "pipe()[0] (%d) >= FD_SETSIZE (%d)", pipefd[0],

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FD_SETSIZE);

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close(pipefd[0]);

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close(pipefd[1]);

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TEMP_FAILURE_RETRY(close(pipefd[0]));

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TEMP_FAILURE_RETRY(close(pipefd[1]));

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exitstatus = EX_OSERR;

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free(direntries[i]);

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goto fallback;

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ret = set_cloexec_flag(pipefd[0]);

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if(ret < 0){

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error(0, errno, "set_cloexec_flag");

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close(pipefd[0]);

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close(pipefd[1]);

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TEMP_FAILURE_RETRY(close(pipefd[0]));

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TEMP_FAILURE_RETRY(close(pipefd[1]));

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exitstatus = EX_OSERR;

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free(direntries[i]);

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goto fallback;

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ret = set_cloexec_flag(pipefd[1]);

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if(ret < 0){

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error(0, errno, "set_cloexec_flag");

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close(pipefd[0]);

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close(pipefd[1]);

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TEMP_FAILURE_RETRY(close(pipefd[0]));

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TEMP_FAILURE_RETRY(close(pipefd[1]));

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exitstatus = EX_OSERR;

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free(direntries[i]);

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goto fallback;

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error(0, errno, "fork");

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TEMP_FAILURE_RETRY(sigprocmask(SIG_UNBLOCK,

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&sigchld_action.sa_mask, NULL));

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close(pipefd[0]);

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close(pipefd[1]);

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TEMP_FAILURE_RETRY(close(pipefd[0]));

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TEMP_FAILURE_RETRY(close(pipefd[1]));

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exitstatus = EX_OSERR;

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free(direntries[i]);

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goto fallback;

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/* no return */

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}

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/* Parent process */

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close(pipefd[1]); /* Close unused write end of pipe */

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close(plugin_fd);

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TEMP_FAILURE_RETRY(close(pipefd[1])); /* Close unused write end of

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pipe */

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TEMP_FAILURE_RETRY(close(plugin_fd));

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plugin *new_plugin = getplugin(direntries[i]->d_name);

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if(new_plugin == NULL){

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error(0, errno, "getplugin");

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free(direntries);

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direntries = NULL;

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close(dir_fd);

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TEMP_FAILURE_RETRY(close(dir_fd));

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dir_fd = -1;

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free_plugin(getplugin(NULL));

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free(direntries);

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if(dir_fd != -1){

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close(dir_fd);

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TEMP_FAILURE_RETRY(close(dir_fd));

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}

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/* Kill the processes */

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free_plugin_list();

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free(plugindir);

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free(pluginhelperdir);

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free(argfile);

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return exitstatus;

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