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#include <fcntl.h> /* fcntl(), F_GETFD, F_SETFD,
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#include <string.h> /* strtok, strlen(), strcpy(),
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#include <string.h> /* strsep, strlen(), strcpy(),
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#include <errno.h> /* errno */
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#include <argp.h> /* struct argp_option, struct
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char ** addcustomargument(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 parsing */
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argv = realloc(argv, sizeof(char *)
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* ((unsigned int) *argc + 1));
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int main(int argc, char *argv[]){
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const char *plugindir = "/conf/conf.d/mandos/plugins.d";
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const char *plugindir = "/lib/mandos/plugins.d";
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const char *argfile = ARGFILE;
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size_t d_name_len;
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struct dirent *dirst;
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if (arg != NULL){
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char *p = strtok(arg, ",");
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while((p = strsep(&arg, ",")) != NULL){
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addargument(getplugin(NULL, plugins), p);
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p = strtok(NULL, ",");
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if (arg != NULL){
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char *name = strtok(arg, ":");
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char *p = strtok(NULL, ":");
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char *name = strsep(&arg, ":");
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char *opt = strsep(&arg, ":");
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while((p = strsep(&opt, ",")) != NULL){
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addargument(getplugin(name, plugins), p);
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p = strtok(NULL, ",");
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ret = argp_parse (&argp, argc, argv, 0, 0, &plugin_list);
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if (ret == ARGP_ERR_UNKNOWN){
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fprintf(stderr, "Unkown error while parsing arguments\n");
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fprintf(stderr, "Unknown error while parsing arguments\n");
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exitstatus = EXIT_FAILURE;
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/* This is a mangled argument in the form of
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"+--option+--other-option=parameter+--yet-another-option", etc */
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/* Make new argc and argv vars, and call argp_parse() again. */
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plus_options++; /* skip the first '+' character */
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const char delims[] = "+";
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plus_argv = malloc(sizeof(char*) * 2);
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if(plus_argv == NULL){
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conffp = fopen(argfile, "r");
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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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sret = getline(&org_line, &size, conffp);
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arg = strsep(&line, comment_delim);
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while((p = strsep(&arg, whitespace_delims)) != NULL){
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custom_argv = addcustomargument(custom_argv, &custom_argc, new_arg);
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if (custom_argv == NULL){
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perror("addcustomargument");
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exitstatus = EXIT_FAILURE;
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/* Check for harmful errors and go to fallback. Other errors might
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not affect opening plugins */
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if (errno == EMFILE or errno == ENFILE or errno == ENOMEM){
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exitstatus = EXIT_FAILURE;
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plus_argv[0] = argv[0];
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arg = strtok(plus_options, delims); /* Get first argument */
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plus_argv = realloc(plus_argv, sizeof(char *)
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* ((unsigned int) new_argc + 1));
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if(plus_argv == NULL){
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exitstatus = EXIT_FAILURE;
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plus_argv[new_argc-1] = arg;
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plus_argv[new_argc] = NULL;
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arg = strtok(NULL, delims); /* Get next argument */
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ret = argp_parse (&argp, new_argc, plus_argv, 0, 0, &plugin_list);
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if(custom_argv != NULL){
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custom_argv[0] = argv[0];
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ret = argp_parse (&argp, custom_argc, custom_argv, 0, 0, &plugin_list);
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if (ret == ARGP_ERR_UNKNOWN){
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fprintf(stderr, "Unkown error while parsing arguments\n");
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fprintf(stderr, "Unknown error while parsing arguments\n");
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exitstatus = EXIT_FAILURE;
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exitstatus = EXIT_FAILURE;
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bret = print_out_password("\n", 1);
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perror("print_out_password");
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exitstatus = EXIT_FAILURE;
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/* Restore old signal handler */
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sigaction(SIGCHLD, &old_sigchld_action, NULL);
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/* Free the plugin list */
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for(plugin *next; plugin_list != NULL; plugin_list = next){