/mandos/trunk : contents of plugin-runner.c at revision 266

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21 by Teddy Hogeborn * Makefile (CFLAGS): Changed to use $(WARN), $(DEBUG), $(COVERAGE) and	1	/* -- coding: utf-8 -- */
	2	/*
	3	* Mandos plugin runner - Run Mandos plugins
	4	*
246 by Teddy Hogeborn * README: Update copyright year; add "2009".	5	* Copyright © 2008,2009 Teddy Hogeborn
	6	* Copyright © 2008,2009 Björn Påhlsson
21 by Teddy Hogeborn * Makefile (CFLAGS): Changed to use $(WARN), $(DEBUG), $(COVERAGE) and	7	*
	8	* This program is free software: you can redistribute it and/or
	9	* modify it under the terms of the GNU General Public License as
	10	* published by the Free Software Foundation, either version 3 of the
	11	* License, or (at your option) any later version.
	12	*
	13	* This program is distributed in the hope that it will be useful, but
	14	* WITHOUT ANY WARRANTY; without even the implied warranty of
	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	16	* General Public License for more details.
	17	*
	18	* You should have received a copy of the GNU General Public License
	19	* along with this program. If not, see
	20	* <http://www.gnu.org/licenses/>.
	21	*
28 by Teddy Hogeborn * server.conf: New file.	22	* Contact the authors at <mandos@fukt.bsnet.se>.
21 by Teddy Hogeborn * Makefile (CFLAGS): Changed to use $(WARN), $(DEBUG), $(COVERAGE) and	23	*/
	24
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	25	#define _GNU_SOURCE /* TEMP_FAILURE_RETRY(), getline(),
	26	asprintf() */
24.1.26 by Björn Påhlsson tally count of used symbols	27	#include <stddef.h> /* size_t, NULL */
	28	#include <stdlib.h> /* malloc(), exit(), EXIT_FAILURE,
	29	EXIT_SUCCESS, realloc() */
	30	#include <stdbool.h> /* bool, true, false */
205 by Teddy Hogeborn * Makefile (PLUGINS, uninstall-client,	31	#include <stdio.h> /* perror, fileno(), fprintf(),
	32	stderr, STDOUT_FILENO */
24.1.26 by Björn Påhlsson tally count of used symbols	33	#include <sys/types.h> /* DIR, opendir(), stat(), struct
	34	stat, waitpid(), WIFEXITED(),
	35	WEXITSTATUS(), wait(), pid_t,
	36	uid_t, gid_t, getuid(), getgid(),
	37	dirfd() */
	38	#include <sys/select.h> /* fd_set, select(), FD_ZERO(),
	39	FD_SET(), FD_ISSET(), FD_CLR */
	40	#include <sys/wait.h> /* wait(), waitpid(), WIFEXITED(),
	41	WEXITSTATUS() */
	42	#include <sys/stat.h> /* struct stat, stat(), S_ISREG() */
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	43	#include <iso646.h> /* and, or, not */
	44	#include <dirent.h> /* DIR, struct dirent, opendir(),
24.1.26 by Björn Påhlsson tally count of used symbols	45	readdir(), closedir(), dirfd() */
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	46	#include <unistd.h> /* struct stat, stat(), S_ISREG(),
24.1.26 by Björn Påhlsson tally count of used symbols	47	fcntl(), setuid(), setgid(),
	48	F_GETFD, F_SETFD, FD_CLOEXEC,
	49	access(), pipe(), fork(), close()
205 by Teddy Hogeborn * Makefile (PLUGINS, uninstall-client,	50	dup2(), STDOUT_FILENO, _exit(),
24.1.26 by Björn Påhlsson tally count of used symbols	51	execv(), write(), read(),
	52	close() */
	53	#include <fcntl.h> /* fcntl(), F_GETFD, F_SETFD,
	54	FD_CLOEXEC */
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	55	#include <string.h> /* strsep, strlen(), asprintf() */
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	56	#include <errno.h> /* errno */
24.1.26 by Björn Påhlsson tally count of used symbols	57	#include <argp.h> /* struct argp_option, struct
	58	argp_state, struct argp,
	59	argp_parse(), ARGP_ERR_UNKNOWN,
102 by Teddy Hogeborn * plugin-runner.c (process): Set "completed" and "status" as volatile.	60	ARGP_KEY_END, ARGP_KEY_ARG,
	61	error_t */
24.1.26 by Björn Påhlsson tally count of used symbols	62	#include <signal.h> /* struct sigaction, sigemptyset(),
	63	sigaddset(), sigaction(),
	64	sigprocmask(), SIG_BLOCK, SIGCHLD,
	65	SIG_UNBLOCK, kill() */
	66	#include <errno.h> /* errno, EBADF */
13 by Björn Påhlsson Added following support:	67
37 by Teddy Hogeborn Non-tested commit for merge purposes.	68	#define BUFFER_SIZE 256
24.1.69 by Björn Påhlsson added configfile as a optional argument to plugin-runner	69
	70	#define PDIR "/lib/mandos/plugins.d"
	71	#define AFILE "/conf/conf.d/mandos/plugin-runner.conf"
37 by Teddy Hogeborn Non-tested commit for merge purposes.	72
217 by Teddy Hogeborn * .bzrignore: Added "man" directory (created by "make install-html").	73	const char *argp_program_version = "plugin-runner " VERSION;
24.1.35 by Björn Påhlsson version 1.0	74	const char *argp_program_bug_address = "<mandos@fukt.bsnet.se>";
24.1.35 by Björn Påhlsson version 1.0	75
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	76	typedef struct plugin{
	77	char name; / can be NULL or any plugin name */
	78	char **argv;
	79	int argc;
	80	char **environ;
	81	int envc;
	82	bool disabled;
	83
	84	/* Variables used for running processes*/
13 by Björn Påhlsson Added following support:	85	pid_t pid;
	86	int fd;
	87	char *buffer;
21 by Teddy Hogeborn * Makefile (CFLAGS): Changed to use $(WARN), $(DEBUG), $(COVERAGE) and	88	size_t buffer_size;
	89	size_t buffer_length;
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	90	bool eof;
102 by Teddy Hogeborn * plugin-runner.c (process): Set "completed" and "status" as volatile.	91	volatile bool completed;
	92	volatile int status;
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	93	struct plugin *next;
	94	} plugin;
	95
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	96	static plugin *plugin_list = NULL;
	97
24.1.90 by Björn Påhlsson fixed two bugs:	98	/* Gets an existing plugin based on name,
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	99	or if none is found, creates a new one */
	100	static plugin getplugin(char name){
	101	/* Check for exiting plugin with that name */
266 by Teddy Hogeborn * plugin-runner.c: Only space changes.	102	for(plugin *p = plugin_list; p != NULL; p = p->next){
	103	if((p->name == name)
	104	or (p->name and name and (strcmp(p->name, name) == 0))){
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	105	return p;
	106	}
	107	}
	108	/* Create a new plugin */
	109	plugin *new_plugin = malloc(sizeof(plugin));
266 by Teddy Hogeborn * plugin-runner.c: Only space changes.	110	if(new_plugin == NULL){
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	111	return NULL;
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	112	}
24.1.62 by Björn Påhlsson merge + small bugfix	113	char *copy_name = NULL;
	114	if(name != NULL){
	115	copy_name = strdup(name);
98 by Teddy Hogeborn * plugin-runner.c (getplugin): Only copy "name" if not NULL. Free	116	if(copy_name == NULL){
	117	return NULL;
	118	}
24.1.54 by Björn Påhlsson plugin-runner	119	}
24.1.90 by Björn Påhlsson fixed two bugs:	120
24.1.54 by Björn Påhlsson plugin-runner	121	*new_plugin = (plugin) { .name = copy_name,
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	122	.argc = 1,
	123	.disabled = false,
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	124	.next = plugin_list };
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	125
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	126	new_plugin->argv = malloc(sizeof(char ) 2);
266 by Teddy Hogeborn * plugin-runner.c: Only space changes.	127	if(new_plugin->argv == NULL){
24.1.62 by Björn Påhlsson merge + small bugfix	128	free(copy_name);
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	129	free(new_plugin);
	130	return NULL;
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	131	}
24.1.54 by Björn Påhlsson plugin-runner	132	new_plugin->argv[0] = copy_name;
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	133	new_plugin->argv[1] = NULL;
135 by Teddy Hogeborn * plugin-runner.c (add_environment): Never insert existing environment	134
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	135	new_plugin->environ = malloc(sizeof(char *));
	136	if(new_plugin->environ == NULL){
24.1.62 by Björn Påhlsson merge + small bugfix	137	free(copy_name);
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	138	free(new_plugin->argv);
	139	free(new_plugin);
	140	return NULL;
	141	}
	142	new_plugin->environ[0] = NULL;
135 by Teddy Hogeborn * plugin-runner.c (add_environment): Never insert existing environment	143
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	144	/* Append the new plugin to the list */
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	145	plugin_list = new_plugin;
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	146	return new_plugin;
	147	}
	148
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	149	/* Helper function for add_argument and add_environment */
	150	static bool add_to_char_array(const char new, char **array,
	151	int *len){
	152	/* Resize the pointed-to array to hold one more pointer */
	153	array = realloc(array, sizeof(char *)
	154	* (size_t) ((*len) + 2));
	155	/* Malloc check */
	156	if(*array == NULL){
	157	return false;
	158	}
	159	/* Make a copy of the new string */
	160	char *copy = strdup(new);
	161	if(copy == NULL){
	162	return false;
	163	}
	164	/* Insert the copy */
	165	(array)[len] = copy;
	166	(*len)++;
	167	/* Add a new terminating NULL pointer to the last element */
	168	(array)[len] = NULL;
	169	return true;
	170	}
	171
	172	/* Add to a plugin's argument vector */
	173	static bool add_argument(plugin p, const char arg){
	174	if(p == NULL){
	175	return false;
	176	}
	177	return add_to_char_array(arg, &(p->argv), &(p->argc));
	178	}
	179
	180	/* Add to a plugin's environment */
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	181	static bool add_environment(plugin p, const char def, bool replace){
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	182	if(p == NULL){
	183	return false;
	184	}
135 by Teddy Hogeborn * plugin-runner.c (add_environment): Never insert existing environment	185	/* namelen = length of name of environment variable */
	186	size_t namelen = (size_t)(strchrnul(def, '=') - def);
	187	/* Search for this environment variable */
	188	for(char *e = p->environ; e != NULL; e++){
24.1.90 by Björn Påhlsson fixed two bugs:	189	if(strncmp(*e, def, namelen + 1) == 0){
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	190	/* It already exists */
	191	if(replace){
24.1.90 by Björn Påhlsson fixed two bugs:	192	char new = realloc(e, strlen(def) + 1);
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	193	if(new == NULL){
	194	return false;
	195	}
	196	*e = new;
	197	strcpy(*e, def);
	198	}
135 by Teddy Hogeborn * plugin-runner.c (add_environment): Never insert existing environment	199	return true;
	200	}
	201	}
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	202	return add_to_char_array(def, &(p->environ), &(p->envc));
	203	}
	204
32 by Teddy Hogeborn * plugins.d/plugbasedclient.c (set_cloexec_flag): New function.	205	/*
	206	* Based on the example in the GNU LibC manual chapter 13.13 "File
	207	* Descriptor Flags".
	208	* *Note File Descriptor Flags:(libc)Descriptor Flags.
	209	*/
187 by Teddy Hogeborn * debian/mandos-client.README.Debian: Document "eth0" default and how	210	static int set_cloexec_flag(int fd){
32 by Teddy Hogeborn * plugins.d/plugbasedclient.c (set_cloexec_flag): New function.	211	int ret = fcntl(fd, F_GETFD, 0);
	212	/* If reading the flags failed, return error indication now. */
	213	if(ret < 0){
	214	return ret;
	215	}
	216	/* Store modified flag word in the descriptor. */
	217	return fcntl(fd, F_SETFD, ret \| FD_CLOEXEC);
	218	}
	219
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	220
102 by Teddy Hogeborn * plugin-runner.c (process): Set "completed" and "status" as volatile.	221	/* Mark processes as completed when they exit, and save their exit
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	222	status. */
187 by Teddy Hogeborn * debian/mandos-client.README.Debian: Document "eth0" default and how	223	static void handle_sigchld(__attribute__((unused)) int sig){
24.1.65 by Björn Påhlsson * plugin-runner.c (handle_sigchld): Loop until all exited children	224	while(true){
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	225	plugin *proc = plugin_list;
24.1.65 by Björn Påhlsson * plugin-runner.c (handle_sigchld): Loop until all exited children	226	int status;
	227	pid_t pid = waitpid(-1, &status, WNOHANG);
	228	if(pid == 0){
102 by Teddy Hogeborn * plugin-runner.c (process): Set "completed" and "status" as volatile.	229	/* Only still running child processes */
24.1.65 by Björn Påhlsson * plugin-runner.c (handle_sigchld): Loop until all exited children	230	break;
	231	}
	232	if(pid == -1){
266 by Teddy Hogeborn * plugin-runner.c: Only space changes.	233	if(errno != ECHILD){
24.1.65 by Björn Påhlsson * plugin-runner.c (handle_sigchld): Loop until all exited children	234	perror("waitpid");
	235	}
102 by Teddy Hogeborn * plugin-runner.c (process): Set "completed" and "status" as volatile.	236	/* No child processes */
	237	break;
24.1.65 by Björn Påhlsson * plugin-runner.c (handle_sigchld): Loop until all exited children	238	}
24.1.90 by Björn Påhlsson fixed two bugs:	239
102 by Teddy Hogeborn * plugin-runner.c (process): Set "completed" and "status" as volatile.	240	/* A child exited, find it in process_list */
24.1.65 by Björn Påhlsson * plugin-runner.c (handle_sigchld): Loop until all exited children	241	while(proc != NULL and proc->pid != pid){
	242	proc = proc->next;
	243	}
	244	if(proc == NULL){
	245	/* Process not found in process list */
	246	continue;
	247	}
	248	proc->status = status;
	249	proc->completed = true;
	250	}
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	251	}
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	252
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	253	/* Prints out a password to stdout */
187 by Teddy Hogeborn * debian/mandos-client.README.Debian: Document "eth0" default and how	254	static bool print_out_password(const char *buffer, size_t length){
64 by Teddy Hogeborn * mandos-client.c (print_out_password): Strip trailing '\n'.	255	ssize_t ret;
	256	for(size_t written = 0; written < length; written += (size_t)ret){
24.1.42 by Björn Påhlsson Added fallback to mandos-client	257	ret = TEMP_FAILURE_RETRY(write(STDOUT_FILENO, buffer + written,
	258	length - written));
	259	if(ret < 0){
	260	return false;
	261	}
	262	}
	263	return true;
	264	}
	265
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	266	/* Removes and free a plugin from the plugin list */
	267	static void free_plugin(plugin *plugin_node){
	268
	269	for(char *arg = plugin_node->argv; arg != NULL; arg++){
	270	free(*arg);
	271	}
	272	free(plugin_node->argv);
	273	for(char *env = plugin_node->environ; env != NULL; env++){
	274	free(*env);
	275	}
	276	free(plugin_node->environ);
	277	free(plugin_node->buffer);
	278
	279	/* Removes the plugin from the singly-linked list */
	280	if(plugin_node == plugin_list){
	281	/* First one - simple */
	282	plugin_list = plugin_list->next;
	283	} else {
	284	/* Second one or later */
	285	for(plugin *p = plugin_list; p != NULL; p = p->next){
	286	if(p->next == plugin_node){
	287	p->next = plugin_node->next;
	288	break;
	289	}
	290	}
	291	}
	292
	293	free(plugin_node);
	294	}
	295
	296	static void free_plugin_list(void){
	297	while(plugin_list != NULL){
	298	free_plugin(plugin_list);
98 by Teddy Hogeborn * plugin-runner.c (getplugin): Only copy "name" if not NULL. Free	299	}
24.1.54 by Björn Påhlsson plugin-runner	300	}
24.1.54 by Björn Påhlsson plugin-runner	301
13 by Björn Påhlsson Added following support:	302	int main(int argc, char *argv[]){
24.1.69 by Björn Påhlsson added configfile as a optional argument to plugin-runner	303	char *plugindir = NULL;
	304	char *argfile = NULL;
24.1.51 by Björn Påhlsson Added configuration files support for mandos-client	305	FILE *conffp;
24.1.5 by Björn Påhlsson plugbasedclient:	306	size_t d_name_len;
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	307	DIR *dir = NULL;
13 by Björn Påhlsson Added following support:	308	struct dirent *dirst;
13 by Björn Påhlsson Added following support:	309	struct stat st;
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	310	fd_set rfds_all;
13 by Björn Påhlsson Added following support:	311	int ret, maxfd = 0;
254 by Teddy Hogeborn Eliminate warning on 64-bit systems, thanks to Frans Pop	312	ssize_t sret;
24.1.6 by Björn Påhlsson plugbasedclient	313	uid_t uid = 65534;
24.1.6 by Björn Påhlsson plugbasedclient	314	gid_t gid = 65534;
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	315	bool debug = false;
	316	int exitstatus = EXIT_SUCCESS;
24.1.7 by Björn Påhlsson merge	317	struct sigaction old_sigchld_action;
	318	struct sigaction sigchld_action = { .sa_handler = handle_sigchld,
	319	.sa_flags = SA_NOCLDSTOP };
24.1.51 by Björn Påhlsson Added configuration files support for mandos-client	320	char **custom_argv = NULL;
	321	int custom_argc = 0;
	322
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	323	/* Establish a signal handler */
	324	sigemptyset(&sigchld_action.sa_mask);
	325	ret = sigaddset(&sigchld_action.sa_mask, SIGCHLD);
24.1.54 by Björn Påhlsson plugin-runner	326	if(ret == -1){
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	327	perror("sigaddset");
24.1.54 by Björn Påhlsson plugin-runner	328	exitstatus = EXIT_FAILURE;
24.1.54 by Björn Påhlsson plugin-runner	329	goto fallback;
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	330	}
	331	ret = sigaction(SIGCHLD, &sigchld_action, &old_sigchld_action);
24.1.54 by Björn Påhlsson plugin-runner	332	if(ret == -1){
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	333	perror("sigaction");
98 by Teddy Hogeborn * plugin-runner.c (getplugin): Only copy "name" if not NULL. Free	334	exitstatus = EXIT_FAILURE;
24.1.54 by Björn Påhlsson plugin-runner	335	goto fallback;
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	336	}
	337
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	338	/* The options we understand. */
	339	struct argp_option options[] = {
	340	{ .name = "global-options", .key = 'g',
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	341	.arg = "OPTION[,OPTION[,...]]",
	342	.doc = "Options passed to all plugins" },
138 by Teddy Hogeborn * plugin-runner.c: Changed short option for "--global-env" to "-G",	343	{ .name = "global-env", .key = 'G',
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	344	.arg = "VAR=value",
	345	.doc = "Environment variable passed to all plugins" },
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	346	{ .name = "options-for", .key = 'o',
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	347	.arg = "PLUGIN:OPTION[,OPTION[,...]]",
	348	.doc = "Options passed only to specified plugin" },
138 by Teddy Hogeborn * plugin-runner.c: Changed short option for "--global-env" to "-G",	349	{ .name = "env-for", .key = 'E',
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	350	.arg = "PLUGIN:ENV=value",
	351	.doc = "Environment variable passed to specified plugin" },
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	352	{ .name = "disable", .key = 'd',
	353	.arg = "PLUGIN",
	354	.doc = "Disable a specific plugin", .group = 1 },
138 by Teddy Hogeborn * plugin-runner.c: Changed short option for "--global-env" to "-G",	355	{ .name = "enable", .key = 'e',
	356	.arg = "PLUGIN",
	357	.doc = "Enable a specific plugin", .group = 1 },
24.1.5 by Björn Påhlsson plugbasedclient:	358	{ .name = "plugin-dir", .key = 128,
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	359	.arg = "DIRECTORY",
	360	.doc = "Specify a different plugin directory", .group = 2 },
24.1.69 by Björn Påhlsson added configfile as a optional argument to plugin-runner	361	{ .name = "config-file", .key = 129,
	362	.arg = "FILE",
	363	.doc = "Specify a different configuration file", .group = 2 },
	364	{ .name = "userid", .key = 130,
	365	.arg = "ID", .flags = 0,
	366	.doc = "User ID the plugins will run as", .group = 3 },
	367	{ .name = "groupid", .key = 131,
	368	.arg = "ID", .flags = 0,
	369	.doc = "Group ID the plugins will run as", .group = 3 },
	370	{ .name = "debug", .key = 132,
	371	.doc = "Debug mode", .group = 4 },
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	372	{ .name = NULL }
	373	};
	374
266 by Teddy Hogeborn * plugin-runner.c: Only space changes.	375	error_t parse_opt(int key, char *arg, __attribute__((unused))
	376	struct argp_state *state) {
	377	switch(key) {
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	378	case 'g': /* --global-options */
266 by Teddy Hogeborn * plugin-runner.c: Only space changes.	379	if(arg != NULL){
24.1.50 by Björn Påhlsson changed from using strtok to strsep	380	char *p;
	381	while((p = strsep(&arg, ",")) != NULL){
24.1.51 by Björn Påhlsson Added configuration files support for mandos-client	382	if(p[0] == '\0'){
24.1.50 by Björn Påhlsson changed from using strtok to strsep	383	continue;
	384	}
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	385	if(not add_argument(getplugin(NULL), p)){
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	386	perror("add_argument");
	387	return ARGP_ERR_UNKNOWN;
	388	}
	389	}
	390	}
	391	break;
138 by Teddy Hogeborn * plugin-runner.c: Changed short option for "--global-env" to "-G",	392	case 'G': /* --global-env */
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	393	if(arg == NULL){
	394	break;
	395	}
24.1.92 by Björn Påhlsson Several memory leaks detected by valgrind fixed	396	if(not add_environment(getplugin(NULL), arg, true)){
	397	perror("add_environment");
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	398	}
	399	break;
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	400	case 'o': /* --options-for */
266 by Teddy Hogeborn * plugin-runner.c: Only space changes.	401	if(arg != NULL){
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	402	char *p_name = strsep(&arg, ":");
24.1.90 by Björn Påhlsson fixed two bugs:	403	if(p_name[0] == '\0' or arg == NULL){
24.1.50 by Björn Påhlsson changed from using strtok to strsep	404	break;
	405	}
	406	char *opt = strsep(&arg, ":");
24.1.90 by Björn Påhlsson fixed two bugs:	407	if(opt[0] == '\0' or opt == NULL){
24.1.50 by Björn Påhlsson changed from using strtok to strsep	408	break;
	409	}
24.1.90 by Björn Påhlsson fixed two bugs:	410	char *p;
	411	while((p = strsep(&opt, ",")) != NULL){
	412	if(p[0] == '\0'){
	413	continue;
	414	}
	415	if(not add_argument(getplugin(p_name), p)){
	416	perror("add_argument");
	417	return ARGP_ERR_UNKNOWN;
24.1.50 by Björn Påhlsson changed from using strtok to strsep	418	}
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	419	}
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	420	}
	421	break;
138 by Teddy Hogeborn * plugin-runner.c: Changed short option for "--global-env" to "-G",	422	case 'E': /* --env-for */
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	423	if(arg == NULL){
	424	break;
	425	}
	426	{
	427	char *envdef = strchr(arg, ':');
	428	if(envdef == NULL){
	429	break;
	430	}
24.1.92 by Björn Påhlsson Several memory leaks detected by valgrind fixed	431	*envdef = '\0';
	432	if(not add_environment(getplugin(arg), envdef+1, true)){
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	433	perror("add_environment");
	434	}
	435	}
	436	break;
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	437	case 'd': /* --disable */
266 by Teddy Hogeborn * plugin-runner.c: Only space changes.	438	if(arg != NULL){
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	439	plugin *p = getplugin(arg);
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	440	if(p == NULL){
	441	return ARGP_ERR_UNKNOWN;
	442	}
	443	p->disabled = true;
24.1.5 by Björn Påhlsson plugbasedclient:	444	}
24.1.5 by Björn Påhlsson plugbasedclient:	445	break;
138 by Teddy Hogeborn * plugin-runner.c: Changed short option for "--global-env" to "-G",	446	case 'e': /* --enable */
266 by Teddy Hogeborn * plugin-runner.c: Only space changes.	447	if(arg != NULL){
138 by Teddy Hogeborn * plugin-runner.c: Changed short option for "--global-env" to "-G",	448	plugin *p = getplugin(arg);
	449	if(p == NULL){
	450	return ARGP_ERR_UNKNOWN;
	451	}
	452	p->disabled = false;
	453	}
	454	break;
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	455	case 128: /* --plugin-dir */
24.1.92 by Björn Påhlsson Several memory leaks detected by valgrind fixed	456	free(plugindir);
24.1.69 by Björn Påhlsson added configfile as a optional argument to plugin-runner	457	plugindir = strdup(arg);
	458	if(plugindir == NULL){
	459	perror("strdup");
	460	}
24.1.5 by Björn Påhlsson plugbasedclient:	461	break;
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	462	case 129: /* --config-file */
137 by Teddy Hogeborn * plugin-runner.c (main/parse_opt): Removed code for "--config-file".	463	/* This is already done by parse_opt_config_file() */
	464	break;
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	465	case 130: /* --userid */
264 by Teddy Hogeborn * plugin-runner.c (main): Use "sscanf" instead of "strtol"; using the	466	/* In the GNU C library, uid_t is always unsigned int */
265 by Teddy Hogeborn * plugin-runner.c (main): Bug fix; do not accept a "d" character after	467	ret = sscanf(arg, "%u", &uid);
264 by Teddy Hogeborn * plugin-runner.c (main): Use "sscanf" instead of "strtol"; using the	468	if(ret != 1){
265 by Teddy Hogeborn * plugin-runner.c (main): Bug fix; do not accept a "d" character after	469	fprintf(stderr, "Bad user ID number: \"%s\", using %u\n", arg,
	470	uid);
264 by Teddy Hogeborn * plugin-runner.c (main): Use "sscanf" instead of "strtol"; using the	471	}
24.1.6 by Björn Påhlsson plugbasedclient	472	break;
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	473	case 131: /* --groupid */
264 by Teddy Hogeborn * plugin-runner.c (main): Use "sscanf" instead of "strtol"; using the	474	/* In the GNU C library, gid_t is always unsigned int */
265 by Teddy Hogeborn * plugin-runner.c (main): Bug fix; do not accept a "d" character after	475	ret = sscanf(arg, "%u", &gid);
264 by Teddy Hogeborn * plugin-runner.c (main): Use "sscanf" instead of "strtol"; using the	476	if(ret != 1){
265 by Teddy Hogeborn * plugin-runner.c (main): Bug fix; do not accept a "d" character after	477	fprintf(stderr, "Bad group ID number: \"%s\", using %u\n",
264 by Teddy Hogeborn * plugin-runner.c (main): Use "sscanf" instead of "strtol"; using the	478	arg, gid);
	479	}
24.1.6 by Björn Påhlsson plugbasedclient	480	break;
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	481	case 132: /* --debug */
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	482	debug = true;
	483	break;
264 by Teddy Hogeborn * plugin-runner.c (main): Use "sscanf" instead of "strtol"; using the	484	/*
	485	* When adding more options before this line, remember to also add a
	486	* "case" to the "parse_opt_config_file" function below.
	487	*/
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	488	case ARGP_KEY_ARG:
178 by Teddy Hogeborn * initramfs-tools-script: Fix permissions of "/tmp" in initrd.	489	/* Cryptsetup always passes an argument, which is an empty
	490	string if "none" was specified in /etc/crypttab. So if
	491	argument was empty, we ignore it silently. */
	492	if(arg[0] != '\0'){
	493	fprintf(stderr, "Ignoring unknown argument \"%s\"\n", arg);
	494	}
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	495	break;
	496	case ARGP_KEY_END:
	497	break;
	498	default:
	499	return ARGP_ERR_UNKNOWN;
	500	}
	501	return 0;
	502	}
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	503
137 by Teddy Hogeborn * plugin-runner.c (main/parse_opt): Removed code for "--config-file".	504	/* This option parser is the same as parse_opt() above, except it
	505	ignores everything but the --config-file option. */
266 by Teddy Hogeborn * plugin-runner.c: Only space changes.	506	error_t parse_opt_config_file(int key, char *arg,
	507	__attribute__((unused))
	508	struct argp_state *state) {
	509	switch(key) {
137 by Teddy Hogeborn * plugin-runner.c (main/parse_opt): Removed code for "--config-file".	510	case 'g': /* --global-options */
138 by Teddy Hogeborn * plugin-runner.c: Changed short option for "--global-env" to "-G",	511	case 'G': /* --global-env */
137 by Teddy Hogeborn * plugin-runner.c (main/parse_opt): Removed code for "--config-file".	512	case 'o': /* --options-for */
138 by Teddy Hogeborn * plugin-runner.c: Changed short option for "--global-env" to "-G",	513	case 'E': /* --env-for */
137 by Teddy Hogeborn * plugin-runner.c (main/parse_opt): Removed code for "--config-file".	514	case 'd': /* --disable */
138 by Teddy Hogeborn * plugin-runner.c: Changed short option for "--global-env" to "-G",	515	case 'e': /* --enable */
137 by Teddy Hogeborn * plugin-runner.c (main/parse_opt): Removed code for "--config-file".	516	case 128: /* --plugin-dir */
	517	break;
	518	case 129: /* --config-file */
24.1.92 by Björn Påhlsson Several memory leaks detected by valgrind fixed	519	free(argfile);
137 by Teddy Hogeborn * plugin-runner.c (main/parse_opt): Removed code for "--config-file".	520	argfile = strdup(arg);
	521	if(argfile == NULL){
	522	perror("strdup");
	523	}
	524	break;
	525	case 130: /* --userid */
	526	case 131: /* --groupid */
	527	case 132: /* --debug */
	528	case ARGP_KEY_ARG:
	529	case ARGP_KEY_END:
	530	break;
	531	default:
	532	return ARGP_ERR_UNKNOWN;
	533	}
	534	return 0;
	535	}
	536
	537	struct argp argp = { .options = options,
	538	.parser = parse_opt_config_file,
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	539	.args_doc = "",
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	540	.doc = "Mandos plugin runner -- Run plugins" };
	541
265 by Teddy Hogeborn * plugin-runner.c (main): Bug fix; do not accept a "d" character after	542	/* Parse using parse_opt_config_file() in order to get the custom
137 by Teddy Hogeborn * plugin-runner.c (main/parse_opt): Removed code for "--config-file".	543	config file location, if any. */
266 by Teddy Hogeborn * plugin-runner.c: Only space changes.	544	ret = argp_parse(&argp, argc, argv, ARGP_IN_ORDER, 0, NULL);
	545	if(ret == ARGP_ERR_UNKNOWN){
137 by Teddy Hogeborn * plugin-runner.c (main/parse_opt): Removed code for "--config-file".	546	fprintf(stderr, "Unknown error while parsing arguments\n");
	547	exitstatus = EXIT_FAILURE;
	548	goto fallback;
	549	}
	550
	551	/* Reset to the normal argument parser */
	552	argp.parser = parse_opt;
	553
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	554	/* Open the configfile if available */
266 by Teddy Hogeborn * plugin-runner.c: Only space changes.	555	if(argfile == NULL){
24.1.69 by Björn Påhlsson added configfile as a optional argument to plugin-runner	556	conffp = fopen(AFILE, "r");
	557	} else {
	558	conffp = fopen(argfile, "r");
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	559	}
24.1.51 by Björn Påhlsson Added configuration files support for mandos-client	560	if(conffp != NULL){
	561	char *org_line = NULL;
24.1.54 by Björn Påhlsson plugin-runner	562	char p, arg, new_arg, line;
24.1.51 by Björn Påhlsson Added configuration files support for mandos-client	563	size_t size = 0;
	564	const char whitespace_delims[] = " \r\t\f\v\n";
	565	const char comment_delim[] = "#";
	566
24.1.67 by Björn Påhlsson transformed a function to a part of main	567	custom_argc = 1;
	568	custom_argv = malloc(sizeof(char) 2);
	569	if(custom_argv == NULL){
	570	perror("malloc");
	571	exitstatus = EXIT_FAILURE;
	572	goto fallback;
	573	}
	574	custom_argv[0] = argv[0];
	575	custom_argv[1] = NULL;
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	576
133 by Teddy Hogeborn * plugin-runner.c: Break a couple of long lines.	577	/* for each line in the config file, strip whitespace and ignore
	578	commented text */
24.1.51 by Björn Påhlsson Added configuration files support for mandos-client	579	while(true){
	580	sret = getline(&org_line, &size, conffp);
	581	if(sret == -1){
	582	break;
	583	}
	584
	585	line = org_line;
	586	arg = strsep(&line, comment_delim);
	587	while((p = strsep(&arg, whitespace_delims)) != NULL){
	588	if(p[0] == '\0'){
	589	continue;
	590	}
	591	new_arg = strdup(p);
24.1.69 by Björn Påhlsson added configfile as a optional argument to plugin-runner	592	if(new_arg == NULL){
	593	perror("strdup");
	594	exitstatus = EXIT_FAILURE;
	595	free(org_line);
	596	goto fallback;
	597	}
	598
24.1.67 by Björn Påhlsson transformed a function to a part of main	599	custom_argc += 1;
	600	custom_argv = realloc(custom_argv, sizeof(char *)
	601	* ((unsigned int) custom_argc + 1));
	602	if(custom_argv == NULL){
	603	perror("realloc");
24.1.51 by Björn Påhlsson Added configuration files support for mandos-client	604	exitstatus = EXIT_FAILURE;
24.1.67 by Björn Påhlsson transformed a function to a part of main	605	free(org_line);
24.1.54 by Björn Påhlsson plugin-runner	606	goto fallback;
24.1.51 by Björn Påhlsson Added configuration files support for mandos-client	607	}
24.1.67 by Björn Påhlsson transformed a function to a part of main	608	custom_argv[custom_argc-1] = new_arg;
	609	custom_argv[custom_argc] = NULL;
24.1.51 by Björn Påhlsson Added configuration files support for mandos-client	610	}
	611	}
	612	free(org_line);
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	613	} else {
24.1.52 by Björn Påhlsson merge + minor adjustments	614	/* Check for harmful errors and go to fallback. Other errors might
24.1.52 by Björn Påhlsson merge + minor adjustments	615	not affect opening plugins */
266 by Teddy Hogeborn * plugin-runner.c: Only space changes.	616	if(errno == EMFILE or errno == ENFILE or errno == ENOMEM){
24.1.51 by Björn Påhlsson Added configuration files support for mandos-client	617	perror("fopen");
24.1.8 by Björn Påhlsson plugbasedclient	618	exitstatus = EXIT_FAILURE;
24.1.54 by Björn Påhlsson plugin-runner	619	goto fallback;
24.1.8 by Björn Påhlsson plugbasedclient	620	}
24.1.51 by Björn Påhlsson Added configuration files support for mandos-client	621	}
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	622	/* If there was any arguments from configuration file,
	623	pass them to parser as command arguments */
24.1.51 by Björn Påhlsson Added configuration files support for mandos-client	624	if(custom_argv != NULL){
266 by Teddy Hogeborn * plugin-runner.c: Only space changes.	625	ret = argp_parse(&argp, custom_argc, custom_argv, ARGP_IN_ORDER,
	626	0, NULL);
	627	if(ret == ARGP_ERR_UNKNOWN){
64 by Teddy Hogeborn * mandos-client.c (print_out_password): Strip trailing '\n'.	628	fprintf(stderr, "Unknown error while parsing arguments\n");
24.1.26 by Björn Påhlsson tally count of used symbols	629	exitstatus = EXIT_FAILURE;
24.1.54 by Björn Påhlsson plugin-runner	630	goto fallback;
24.1.26 by Björn Påhlsson tally count of used symbols	631	}
24.1.8 by Björn Påhlsson plugbasedclient	632	}
24.1.8 by Björn Påhlsson plugbasedclient	633
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	634	/* Parse actual command line arguments, to let them override the
	635	config file */
266 by Teddy Hogeborn * plugin-runner.c: Only space changes.	636	ret = argp_parse(&argp, argc, argv, ARGP_IN_ORDER, 0, NULL);
	637	if(ret == ARGP_ERR_UNKNOWN){
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	638	fprintf(stderr, "Unknown error while parsing arguments\n");
	639	exitstatus = EXIT_FAILURE;
	640	goto fallback;
	641	}
	642
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	643	if(debug){
	644	for(plugin *p = plugin_list; p != NULL; p=p->next){
	645	fprintf(stderr, "Plugin: %s has %d arguments\n",
32 by Teddy Hogeborn * plugins.d/plugbasedclient.c (set_cloexec_flag): New function.	646	p->name ? p->name : "Global", p->argc - 1);
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	647	for(char *a = p->argv; a != NULL; a++){
	648	fprintf(stderr, "\tArg: %s\n", *a);
	649	}
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	650	fprintf(stderr, "...and %u environment variables\n", p->envc);
	651	for(char *a = p->environ; a != NULL; a++){
	652	fprintf(stderr, "\t%s\n", *a);
	653	}
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	654	}
	655	}
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	656
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	657	/* Strip permissions down to nobody */
24.1.6 by Björn Påhlsson plugbasedclient	658	ret = setuid(uid);
266 by Teddy Hogeborn * plugin-runner.c: Only space changes.	659	if(ret == -1){
24.1.6 by Björn Påhlsson plugbasedclient	660	perror("setuid");
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	661	}
24.1.6 by Björn Påhlsson plugbasedclient	662	setgid(gid);
266 by Teddy Hogeborn * plugin-runner.c: Only space changes.	663	if(ret == -1){
39 by Teddy Hogeborn * plugins.d/mandosclient.c (pgp_packet_decrypt): Renamed variables.	664	perror("setgid");
24.1.6 by Björn Påhlsson plugbasedclient	665	}
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	666
266 by Teddy Hogeborn * plugin-runner.c: Only space changes.	667	if(plugindir == NULL){
24.1.69 by Björn Påhlsson added configfile as a optional argument to plugin-runner	668	dir = opendir(PDIR);
	669	} else {
	670	dir = opendir(plugindir);
	671	}
24.1.6 by Björn Påhlsson plugbasedclient	672
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	673	if(dir == NULL){
	674	perror("Could not open plugin dir");
	675	exitstatus = EXIT_FAILURE;
24.1.54 by Björn Påhlsson plugin-runner	676	goto fallback;
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	677	}
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	678
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	679	/* Set the FD_CLOEXEC flag on the directory, if possible */
	680	{
	681	int dir_fd = dirfd(dir);
	682	if(dir_fd >= 0){
	683	ret = set_cloexec_flag(dir_fd);
	684	if(ret < 0){
	685	perror("set_cloexec_flag");
	686	exitstatus = EXIT_FAILURE;
24.1.54 by Björn Påhlsson plugin-runner	687	goto fallback;
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	688	}
	689	}
	690	}
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	691
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	692	FD_ZERO(&rfds_all);
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	693
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	694	/* Read and execute any executable in the plugin directory*/
13 by Björn Påhlsson Added following support:	695	while(true){
	696	dirst = readdir(dir);
	697
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	698	/* All directory entries have been processed */
13 by Björn Påhlsson Added following support:	699	if(dirst == NULL){
266 by Teddy Hogeborn * plugin-runner.c: Only space changes.	700	if(errno == EBADF){
24.1.26 by Björn Påhlsson tally count of used symbols	701	perror("readdir");
24.1.26 by Björn Påhlsson tally count of used symbols	702	exitstatus = EXIT_FAILURE;
24.1.54 by Björn Påhlsson plugin-runner	703	goto fallback;
24.1.26 by Björn Påhlsson tally count of used symbols	704	}
13 by Björn Påhlsson Added following support:	705	break;
	706	}
	707
	708	d_name_len = strlen(dirst->d_name);
	709
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	710	/* Ignore dotfiles, backup files and other junk */
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	711	{
	712	bool bad_name = false;
	713
	714	const char const *bad_prefixes[] = { ".", "#", NULL };
	715
	716	const char const *bad_suffixes[] = { "~", "#", ".dpkg-new",
	717	".dpkg-old",
236 by Teddy Hogeborn * initramfs-tools-hook: Also ignore plugins named "*.dpkg-bak".	718	".dpkg-bak",
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	719	".dpkg-divert", NULL };
	720	for(const char *pre = bad_prefixes; pre != NULL; pre++){
	721	size_t pre_len = strlen(*pre);
	722	if((d_name_len >= pre_len)
	723	and strncmp((dirst->d_name), *pre, pre_len) == 0){
	724	if(debug){
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	725	fprintf(stderr, "Ignoring plugin dir entry \"%s\""
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	726	" with bad prefix %s\n", dirst->d_name, *pre);
	727	}
	728	bad_name = true;
	729	break;
	730	}
	731	}
	732	if(bad_name){
	733	continue;
	734	}
	735	for(const char *suf = bad_suffixes; suf != NULL; suf++){
	736	size_t suf_len = strlen(*suf);
	737	if((d_name_len >= suf_len)
	738	and (strcmp((dirst->d_name)+d_name_len-suf_len, *suf)
	739	== 0)){
	740	if(debug){
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	741	fprintf(stderr, "Ignoring plugin dir entry \"%s\""
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	742	" with bad suffix %s\n", dirst->d_name, *suf);
	743	}
	744	bad_name = true;
	745	break;
	746	}
	747	}
	748
	749	if(bad_name){
	750	continue;
	751	}
13 by Björn Påhlsson Added following support:	752	}
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	753
	754	char *filename;
169 by Teddy Hogeborn * plugin-runner.c (main): Bug fix: use built-in default value if	755	if(plugindir == NULL){
	756	ret = asprintf(&filename, PDIR "/%s", dirst->d_name);
	757	} else {
	758	ret = asprintf(&filename, "%s/%s", plugindir, dirst->d_name);
	759	}
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	760	if(ret < 0){
	761	perror("asprintf");
24.1.46 by Björn Påhlsson mandos-client	762	continue;
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	763	}
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	764
24.1.26 by Björn Påhlsson tally count of used symbols	765	ret = stat(filename, &st);
266 by Teddy Hogeborn * plugin-runner.c: Only space changes.	766	if(ret == -1){
24.1.26 by Björn Påhlsson tally count of used symbols	767	perror("stat");
24.1.46 by Björn Påhlsson mandos-client	768	free(filename);
24.1.46 by Björn Påhlsson mandos-client	769	continue;
24.1.26 by Björn Påhlsson tally count of used symbols	770	}
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	771
	772	/* Ignore non-executable files */
266 by Teddy Hogeborn * plugin-runner.c: Only space changes.	773	if(not S_ISREG(st.st_mode) or (access(filename, X_OK) != 0)){
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	774	if(debug){
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	775	fprintf(stderr, "Ignoring plugin dir entry \"%s\""
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	776	" with bad type or mode\n", filename);
	777	}
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	778	free(filename);
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	779	continue;
	780	}
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	781
	782	plugin *p = getplugin(dirst->d_name);
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	783	if(p == NULL){
	784	perror("getplugin");
	785	free(filename);
	786	continue;
	787	}
	788	if(p->disabled){
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	789	if(debug){
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	790	fprintf(stderr, "Ignoring disabled plugin \"%s\"\n",
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	791	dirst->d_name);
	792	}
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	793	free(filename);
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	794	continue;
	795	}
32 by Teddy Hogeborn * plugins.d/plugbasedclient.c (set_cloexec_flag): New function.	796	{
	797	/* Add global arguments to argument list for this plugin */
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	798	plugin *g = getplugin(NULL);
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	799	if(g != NULL){
	800	for(char *a = g->argv + 1; a != NULL; a++){
	801	if(not add_argument(p, *a)){
	802	perror("add_argument");
	803	}
	804	}
	805	/* Add global environment variables */
	806	for(char *e = g->environ; e != NULL; e++){
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	807	if(not add_environment(p, *e, false)){
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	808	perror("add_environment");
	809	}
	810	}
	811	}
	812	}
	813	/* If this plugin has any environment variables, we will call
	814	using execve and need to duplicate the environment from this
	815	process, too. */
	816	if(p->environ[0] != NULL){
	817	for(char *e = environ; e != NULL; e++){
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	818	if(not add_environment(p, *e, false)){
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	819	perror("add_environment");
	820	}
	821	}
	822	}
	823
98 by Teddy Hogeborn * plugin-runner.c (getplugin): Only copy "name" if not NULL. Free	824	int pipefd[2];
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	825	ret = pipe(pipefd);
266 by Teddy Hogeborn * plugin-runner.c: Only space changes.	826	if(ret == -1){
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	827	perror("pipe");
	828	exitstatus = EXIT_FAILURE;
24.1.54 by Björn Påhlsson plugin-runner	829	goto fallback;
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	830	}
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	831	/* Ask OS to automatic close the pipe on exec */
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	832	ret = set_cloexec_flag(pipefd[0]);
	833	if(ret < 0){
	834	perror("set_cloexec_flag");
	835	exitstatus = EXIT_FAILURE;
24.1.54 by Björn Påhlsson plugin-runner	836	goto fallback;
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	837	}
	838	ret = set_cloexec_flag(pipefd[1]);
	839	if(ret < 0){
	840	perror("set_cloexec_flag");
	841	exitstatus = EXIT_FAILURE;
24.1.54 by Björn Påhlsson plugin-runner	842	goto fallback;
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	843	}
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	844	/* Block SIGCHLD until process is safely in process list */
266 by Teddy Hogeborn * plugin-runner.c: Only space changes.	845	ret = sigprocmask(SIG_BLOCK, &sigchld_action.sa_mask, NULL);
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	846	if(ret < 0){
	847	perror("sigprocmask");
	848	exitstatus = EXIT_FAILURE;
24.1.54 by Björn Påhlsson plugin-runner	849	goto fallback;
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	850	}
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	851	/* Starting a new process to be watched */
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	852	pid_t pid = fork();
24.1.46 by Björn Påhlsson mandos-client	853	if(pid == -1){
	854	perror("fork");
	855	exitstatus = EXIT_FAILURE;
24.1.54 by Björn Påhlsson plugin-runner	856	goto fallback;
24.1.46 by Björn Påhlsson mandos-client	857	}
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	858	if(pid == 0){
	859	/* this is the child process */
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	860	ret = sigaction(SIGCHLD, &old_sigchld_action, NULL);
	861	if(ret < 0){
	862	perror("sigaction");
	863	_exit(EXIT_FAILURE);
	864	}
210 by Teddy Hogeborn * debian/mandos-client.postinst: Change home directory to	865	ret = sigprocmask(SIG_UNBLOCK, &sigchld_action.sa_mask, NULL);
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	866	if(ret < 0){
	867	perror("sigprocmask");
	868	_exit(EXIT_FAILURE);
	869	}
210 by Teddy Hogeborn * debian/mandos-client.postinst: Change home directory to	870
24.1.26 by Björn Påhlsson tally count of used symbols	871	ret = dup2(pipefd[1], STDOUT_FILENO); /* replace our stdout */
	872	if(ret == -1){
	873	perror("dup2");
	874	_exit(EXIT_FAILURE);
	875	}
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	876
	877	if(dirfd(dir) < 0){
	878	/* If dir has no file descriptor, we could not set FD_CLOEXEC
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	879	above and must now close it manually here. */
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	880	closedir(dir);
33 by Teddy Hogeborn * plugins.d/plugbasedclient.c (main): Close the pipe fd after dup2:ing	881	}
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	882	if(p->environ[0] == NULL){
	883	if(execv(filename, p->argv) < 0){
	884	perror("execv");
	885	_exit(EXIT_FAILURE);
	886	}
	887	} else {
	888	if(execve(filename, p->argv, p->environ) < 0){
	889	perror("execve");
	890	_exit(EXIT_FAILURE);
	891	}
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	892	}
	893	/* no return */
	894	}
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	895	/* Parent process */
	896	close(pipefd[1]); /* Close unused write end of pipe */
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	897	free(filename);
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	898	plugin *new_plugin = getplugin(dirst->d_name);
266 by Teddy Hogeborn * plugin-runner.c: Only space changes.	899	if(new_plugin == NULL){
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	900	perror("getplugin");
266 by Teddy Hogeborn * plugin-runner.c: Only space changes.	901	ret = sigprocmask(SIG_UNBLOCK, &sigchld_action.sa_mask, NULL);
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	902	if(ret < 0){
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	903	perror("sigprocmask");
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	904	}
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	905	exitstatus = EXIT_FAILURE;
24.1.54 by Björn Påhlsson plugin-runner	906	goto fallback;
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	907	}
	908
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	909	new_plugin->pid = pid;
	910	new_plugin->fd = pipefd[0];
	911
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	912	/* Unblock SIGCHLD so signal handler can be run if this process
	913	has already completed */
266 by Teddy Hogeborn * plugin-runner.c: Only space changes.	914	ret = sigprocmask(SIG_UNBLOCK, &sigchld_action.sa_mask, NULL);
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	915	if(ret < 0){
	916	perror("sigprocmask");
	917	exitstatus = EXIT_FAILURE;
24.1.54 by Björn Påhlsson plugin-runner	918	goto fallback;
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	919	}
	920
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	921	FD_SET(new_plugin->fd, &rfds_all);
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	922
266 by Teddy Hogeborn * plugin-runner.c: Only space changes.	923	if(maxfd < new_plugin->fd){
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	924	maxfd = new_plugin->fd;
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	925	}
13 by Björn Påhlsson Added following support:	926	}
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	927
13 by Björn Påhlsson Added following support:	928	closedir(dir);
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	929	dir = NULL;
210 by Teddy Hogeborn * debian/mandos-client.postinst: Change home directory to	930
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	931	for(plugin *p = plugin_list; p != NULL; p = p->next){
	932	if(p->pid != 0){
	933	break;
	934	}
	935	if(p->next == NULL){
	936	fprintf(stderr, "No plugin processes started. Incorrect plugin"
	937	" directory?\n");
	938	free_plugin_list();
	939	}
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	940	}
210 by Teddy Hogeborn * debian/mandos-client.postinst: Change home directory to	941
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	942	/* Main loop while running plugins exist */
	943	while(plugin_list){
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	944	fd_set rfds = rfds_all;
	945	int select_ret = select(maxfd+1, &rfds, NULL, NULL, NULL);
266 by Teddy Hogeborn * plugin-runner.c: Only space changes.	946	if(select_ret == -1){
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	947	perror("select");
	948	exitstatus = EXIT_FAILURE;
24.1.54 by Björn Påhlsson plugin-runner	949	goto fallback;
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	950	}
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	951	/* OK, now either a process completed, or something can be read
	952	from one of them */
24.1.92 by Björn Påhlsson Several memory leaks detected by valgrind fixed	953	for(plugin *proc = plugin_list; proc != NULL;){
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	954	/* Is this process completely done? */
	955	if(proc->eof and proc->completed){
	956	/* Only accept the plugin output if it exited cleanly */
	957	if(not WIFEXITED(proc->status)
	958	or WEXITSTATUS(proc->status) != 0){
	959	/* Bad exit by plugin */
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	960
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	961	if(debug){
	962	if(WIFEXITED(proc->status)){
60 by Teddy Hogeborn * mandos-client.c (main): Cast pid_t to unsigned int before printing.	963	fprintf(stderr, "Plugin %u exited with status %d\n",
	964	(unsigned int) (proc->pid),
	965	WEXITSTATUS(proc->status));
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	966	} else if(WIFSIGNALED(proc->status)) {
60 by Teddy Hogeborn * mandos-client.c (main): Cast pid_t to unsigned int before printing.	967	fprintf(stderr, "Plugin %u killed by signal %d\n",
	968	(unsigned int) (proc->pid),
	969	WTERMSIG(proc->status));
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	970	} else if(WCOREDUMP(proc->status)){
265 by Teddy Hogeborn * plugin-runner.c (main): Bug fix; do not accept a "d" character after	971	fprintf(stderr, "Plugin %u dumped core\n",
60 by Teddy Hogeborn * mandos-client.c (main): Cast pid_t to unsigned int before printing.	972	(unsigned int) (proc->pid));
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	973	}
	974	}
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	975
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	976	/* Remove the plugin */
	977	FD_CLR(proc->fd, &rfds_all);
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	978
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	979	/* Block signal while modifying process_list */
102 by Teddy Hogeborn * plugin-runner.c (process): Set "completed" and "status" as volatile.	980	ret = sigprocmask(SIG_BLOCK, &sigchld_action.sa_mask, NULL);
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	981	if(ret < 0){
	982	perror("sigprocmask");
	983	exitstatus = EXIT_FAILURE;
24.1.54 by Björn Påhlsson plugin-runner	984	goto fallback;
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	985	}
24.1.92 by Björn Påhlsson Several memory leaks detected by valgrind fixed	986
210 by Teddy Hogeborn * debian/mandos-client.postinst: Change home directory to	987	plugin *next_plugin = proc->next;
	988	free_plugin(proc);
	989	proc = next_plugin;
	990
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	991	/* We are done modifying process list, so unblock signal */
266 by Teddy Hogeborn * plugin-runner.c: Only space changes.	992	ret = sigprocmask(SIG_UNBLOCK, &sigchld_action.sa_mask,
	993	NULL);
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	994	if(ret < 0){
	995	perror("sigprocmask");
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	996	exitstatus = EXIT_FAILURE;
	997	goto fallback;
	998	}
	999
	1000	if(plugin_list == NULL){
	1001	break;
	1002	}
24.1.92 by Björn Påhlsson Several memory leaks detected by valgrind fixed	1003
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	1004	continue;
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1005	}
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	1006
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1007	/* This process exited nicely, so print its buffer */
210 by Teddy Hogeborn * debian/mandos-client.postinst: Change home directory to	1008
102 by Teddy Hogeborn * plugin-runner.c (process): Set "completed" and "status" as volatile.	1009	bool bret = print_out_password(proc->buffer,
	1010	proc->buffer_length);
24.1.42 by Björn Påhlsson Added fallback to mandos-client	1011	if(not bret){
	1012	perror("print_out_password");
	1013	exitstatus = EXIT_FAILURE;
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1014	}
24.1.54 by Björn Påhlsson plugin-runner	1015	goto fallback;
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1016	}
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	1017
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1018	/* This process has not completed. Does it have any output? */
	1019	if(proc->eof or not FD_ISSET(proc->fd, &rfds)){
	1020	/* This process had nothing to say at this time */
24.1.92 by Björn Påhlsson Several memory leaks detected by valgrind fixed	1021	proc = proc->next;
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	1022	continue;
	1023	}
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1024	/* Before reading, make the process' data buffer large enough */
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	1025	if(proc->buffer_length + BUFFER_SIZE > proc->buffer_size){
	1026	proc->buffer = realloc(proc->buffer, proc->buffer_size
	1027	+ (size_t) BUFFER_SIZE);
266 by Teddy Hogeborn * plugin-runner.c: Only space changes.	1028	if(proc->buffer == NULL){
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	1029	perror("malloc");
	1030	exitstatus = EXIT_FAILURE;
24.1.54 by Björn Påhlsson plugin-runner	1031	goto fallback;
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	1032	}
	1033	proc->buffer_size += BUFFER_SIZE;
	1034	}
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1035	/* Read from the process */
254 by Teddy Hogeborn Eliminate warning on 64-bit systems, thanks to Frans Pop	1036	sret = read(proc->fd, proc->buffer + proc->buffer_length,
	1037	BUFFER_SIZE);
	1038	if(sret < 0){
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1039	/* Read error from this process; ignore the error */
24.1.92 by Björn Påhlsson Several memory leaks detected by valgrind fixed	1040	proc = proc->next;
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	1041	continue;
	1042	}
254 by Teddy Hogeborn Eliminate warning on 64-bit systems, thanks to Frans Pop	1043	if(sret == 0){
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	1044	/* got EOF */
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1045	proc->eof = true;
	1046	} else {
254 by Teddy Hogeborn Eliminate warning on 64-bit systems, thanks to Frans Pop	1047	proc->buffer_length += (size_t) sret;
13 by Björn Påhlsson Added following support:	1048	}
	1049	}
	1050	}
24.1.45 by Björn Påhlsson Fixed fallback on error in mandos-client	1051
	1052
24.1.54 by Björn Påhlsson plugin-runner	1053	fallback:
24.1.42 by Björn Påhlsson Added fallback to mandos-client	1054
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	1055	if(plugin_list == NULL or exitstatus != EXIT_SUCCESS){
102 by Teddy Hogeborn * plugin-runner.c (process): Set "completed" and "status" as volatile.	1056	/* Fallback if all plugins failed, none are found or an error
	1057	occured */
24.1.42 by Björn Påhlsson Added fallback to mandos-client	1058	bool bret;
	1059	fprintf(stderr, "Going to fallback mode using getpass(3)\n");
	1060	char *passwordbuffer = getpass("Password: ");
168 by Teddy Hogeborn * initramfs-tools-hook: Use long options where available. Use only	1061	size_t len = strlen(passwordbuffer);
	1062	/* Strip trailing newline */
	1063	if(len > 0 and passwordbuffer[len-1] == '\n'){
	1064	passwordbuffer[len-1] = '\0'; /* not strictly necessary */
	1065	len--;
	1066	}
	1067	bret = print_out_password(passwordbuffer, len);
24.1.42 by Björn Påhlsson Added fallback to mandos-client	1068	if(not bret){
	1069	perror("print_out_password");
	1070	exitstatus = EXIT_FAILURE;
	1071	}
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1072	}
24.1.42 by Björn Påhlsson Added fallback to mandos-client	1073
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1074	/* Restore old signal handler */
24.1.54 by Björn Påhlsson plugin-runner	1075	ret = sigaction(SIGCHLD, &old_sigchld_action, NULL);
	1076	if(ret == -1){
	1077	perror("sigaction");
	1078	exitstatus = EXIT_FAILURE;
	1079	}
210 by Teddy Hogeborn * debian/mandos-client.postinst: Change home directory to	1080
24.1.54 by Björn Påhlsson plugin-runner	1081	if(custom_argv != NULL){
24.1.67 by Björn Påhlsson transformed a function to a part of main	1082	for(char *arg = custom_argv+1; arg != NULL; arg++){
24.1.54 by Björn Påhlsson plugin-runner	1083	free(*arg);
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	1084	}
24.1.54 by Björn Påhlsson plugin-runner	1085	free(custom_argv);
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1086	}
	1087
	1088	if(dir != NULL){
	1089	closedir(dir);
	1090	}
	1091
210 by Teddy Hogeborn * debian/mandos-client.postinst: Change home directory to	1092	/* Kill the processes */
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	1093	for(plugin *p = plugin_list; p != NULL; p = p->next){
	1094	if(p->pid != 0){
	1095	close(p->fd);
	1096	ret = kill(p->pid, SIGTERM);
	1097	if(ret == -1 and errno != ESRCH){
	1098	/* Set-uid proccesses might not get closed */
	1099	perror("kill");
	1100	}
24.1.26 by Björn Påhlsson tally count of used symbols	1101	}
13 by Björn Påhlsson Added following support:	1102	}
13 by Björn Påhlsson Added following support:	1103
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1104	/* Wait for any remaining child processes to terminate */
	1105	do{
	1106	ret = wait(NULL);
	1107	} while(ret >= 0);
	1108	if(errno != ECHILD){
	1109	perror("wait");
	1110	}
210 by Teddy Hogeborn * debian/mandos-client.postinst: Change home directory to	1111
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	1112	free_plugin_list();
	1113
24.1.69 by Björn Påhlsson added configfile as a optional argument to plugin-runner	1114	free(plugindir);
	1115	free(argfile);
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1116
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	1117	return exitstatus;
13 by Björn Påhlsson Added following support:	1118	}