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#include <errno.h> /* errno, EBADF */
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#define BUFFER_SIZE 256
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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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#define ARGFILE "/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_bug_address = "<mandos@fukt.bsnet.se>";
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char **add_to_argv(char **argv, int *argc, char *arg){
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argv = malloc(sizeof(char*) * 2);
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argv[0] = NULL; /* Will be set to argv[0] in main before
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argv = realloc(argv, sizeof(char *)
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* ((unsigned int) *argc + 1));
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static void free_plugin_list(plugin *plugin_list){
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for(plugin *next; plugin_list != NULL; plugin_list = next){
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next = plugin_list->next;
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{ .name = "plugin-dir", .key = 128,
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.arg = "DIRECTORY",
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.doc = "Specify a different plugin directory", .group = 2 },
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{ .name = "config-file", .key = 129,
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.doc = "Specify a different configuration file", .group = 2 },
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{ .name = "userid", .key = 130,
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.arg = "ID", .flags = 0,
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.doc = "User ID the plugins will run as", .group = 3 },
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{ .name = "groupid", .key = 131,
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.arg = "ID", .flags = 0,
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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 = "userid", .key = 129,
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.arg = "ID", .flags = 0,
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.doc = "User ID the plugins will run as", .group = 2 },
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{ .name = "groupid", .key = 130,
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.arg = "ID", .flags = 0,
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.doc = "Group ID the plugins will run as", .group = 2 },
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{ .name = "debug", .key = 131,
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.doc = "Debug mode", .group = 3 },
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plugindir = strdup(arg);
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if(plugindir == NULL){
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argfile = strdup(arg);
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uid = (uid_t)strtol(arg, NULL, 10);
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uid = (uid_t)strtol(arg, NULL, 10);
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gid = (gid_t)strtol(arg, NULL, 10);
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gid = (gid_t)strtol(arg, NULL, 10);
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case ARGP_KEY_ARG:
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if (argfile == NULL){
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conffp = fopen(AFILE, "r");
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conffp = fopen(argfile, "r");
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conffp = fopen(argfile, "r");
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if(conffp != NULL){
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char *org_line = NULL;
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char *p, *arg, *new_arg, *line;
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const char whitespace_delims[] = " \r\t\f\v\n";
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const char comment_delim[] = "#";
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custom_argv = malloc(sizeof(char*) * 2);
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if(custom_argv == NULL){
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exitstatus = EXIT_FAILURE;
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custom_argv[0] = argv[0];
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custom_argv[1] = NULL;
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sret = getline(&org_line, &size, conffp);
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new_arg = strdup(p);
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exitstatus = EXIT_FAILURE;
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custom_argv = realloc(custom_argv, sizeof(char *)
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* ((unsigned int) custom_argc + 1));
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if(custom_argv == NULL){
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exitstatus = EXIT_FAILURE;
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custom_argv[custom_argc-1] = new_arg;
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custom_argv[custom_argc] = NULL;
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custom_argv = add_to_argv(custom_argv, &custom_argc, new_arg);
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if (custom_argv == NULL){
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perror("add_to_argv");
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exitstatus = EXIT_FAILURE;
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if(custom_argv != NULL){
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ret = argp_parse (&argp, custom_argc, custom_argv, 0, 0, &plugin_list);
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custom_argv[0] = argv[0];
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ret = argp_parse (&argp, custom_argc, custom_argv, 0, 0,
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if (ret == ARGP_ERR_UNKNOWN){
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fprintf(stderr, "Unknown error while parsing arguments\n");
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exitstatus = EXIT_FAILURE;