/mandos/release : contents of plugin-runner.c at revision 237.2.59

: (revision 237.2.59)

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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	*
237.2.9 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 */
237.2.31 by Teddy Hogeborn Fixes for sscanf usage:	67	#include <inttypes.h> /* intmax_t, SCNdMAX, PRIdMAX, */
13 by Björn Påhlsson Added following support:	68
37 by Teddy Hogeborn Non-tested commit for merge purposes.	69	#define BUFFER_SIZE 256
24.1.69 by Björn Påhlsson added configfile as a optional argument to plugin-runner	70
	71	#define PDIR "/lib/mandos/plugins.d"
	72	#define AFILE "/conf/conf.d/mandos/plugin-runner.conf"
37 by Teddy Hogeborn Non-tested commit for merge purposes.	73
217 by Teddy Hogeborn * .bzrignore: Added "man" directory (created by "make install-html").	74	const char *argp_program_version = "plugin-runner " VERSION;
24.1.35 by Björn Påhlsson version 1.0	75	const char *argp_program_bug_address = "<mandos@fukt.bsnet.se>";
24.1.35 by Björn Påhlsson version 1.0	76
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	77	typedef struct plugin{
	78	char name; / can be NULL or any plugin name */
	79	char **argv;
	80	int argc;
	81	char **environ;
	82	int envc;
	83	bool disabled;
	84
	85	/* Variables used for running processes*/
13 by Björn Påhlsson Added following support:	86	pid_t pid;
	87	int fd;
	88	char *buffer;
21 by Teddy Hogeborn * Makefile (CFLAGS): Changed to use $(WARN), $(DEBUG), $(COVERAGE) and	89	size_t buffer_size;
	90	size_t buffer_length;
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	91	bool eof;
237.2.59 by Teddy Hogeborn * plugin-runner.c (struct plugin.completed): Changed type to "volatile	92	volatile sig_atomic_t completed;
102 by Teddy Hogeborn * plugin-runner.c (process): Set "completed" and "status" as volatile.	93	volatile int status;
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	94	struct plugin *next;
	95	} plugin;
	96
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	97	static plugin *plugin_list = NULL;
	98
24.1.90 by Björn Påhlsson fixed two bugs:	99	/* Gets an existing plugin based on name,
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	100	or if none is found, creates a new one */
	101	static plugin getplugin(char name){
	102	/* Check for exiting plugin with that name */
237.2.29 by Teddy Hogeborn * plugin-runner.c: Only space changes.	103	for(plugin *p = plugin_list; p != NULL; p = p->next){
	104	if((p->name == name)
	105	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	106	return p;
	107	}
	108	}
	109	/* Create a new plugin */
	110	plugin *new_plugin = malloc(sizeof(plugin));
237.2.29 by Teddy Hogeborn * plugin-runner.c: Only space changes.	111	if(new_plugin == NULL){
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	112	return NULL;
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	113	}
24.1.62 by Björn Påhlsson merge + small bugfix	114	char *copy_name = NULL;
	115	if(name != NULL){
	116	copy_name = strdup(name);
98 by Teddy Hogeborn * plugin-runner.c (getplugin): Only copy "name" if not NULL. Free	117	if(copy_name == NULL){
237.2.35 by Teddy Hogeborn Fix problem found using cppcheck, thanks to George Danchev	118	free(new_plugin);
98 by Teddy Hogeborn * plugin-runner.c (getplugin): Only copy "name" if not NULL. Free	119	return NULL;
	120	}
24.1.54 by Björn Påhlsson plugin-runner	121	}
24.1.90 by Björn Påhlsson fixed two bugs:	122
237.2.56 by Teddy Hogeborn * plugin-runner.c: Whitespace changes only.	123	*new_plugin = (plugin){ .name = copy_name,
	124	.argc = 1,
	125	.disabled = false,
	126	.next = plugin_list };
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	127
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	128	new_plugin->argv = malloc(sizeof(char ) 2);
237.2.29 by Teddy Hogeborn * plugin-runner.c: Only space changes.	129	if(new_plugin->argv == NULL){
24.1.62 by Björn Påhlsson merge + small bugfix	130	free(copy_name);
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	131	free(new_plugin);
	132	return NULL;
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	133	}
24.1.54 by Björn Påhlsson plugin-runner	134	new_plugin->argv[0] = copy_name;
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	135	new_plugin->argv[1] = NULL;
135 by Teddy Hogeborn * plugin-runner.c (add_environment): Never insert existing environment	136
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	137	new_plugin->environ = malloc(sizeof(char *));
	138	if(new_plugin->environ == NULL){
24.1.62 by Björn Påhlsson merge + small bugfix	139	free(copy_name);
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	140	free(new_plugin->argv);
	141	free(new_plugin);
	142	return NULL;
	143	}
	144	new_plugin->environ[0] = NULL;
135 by Teddy Hogeborn * plugin-runner.c (add_environment): Never insert existing environment	145
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	146	/* Append the new plugin to the list */
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	147	plugin_list = new_plugin;
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	148	return new_plugin;
	149	}
	150
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	151	/* Helper function for add_argument and add_environment */
	152	static bool add_to_char_array(const char new, char **array,
	153	int *len){
	154	/* Resize the pointed-to array to hold one more pointer */
	155	array = realloc(array, sizeof(char *)
	156	* (size_t) ((*len) + 2));
	157	/* Malloc check */
	158	if(*array == NULL){
	159	return false;
	160	}
	161	/* Make a copy of the new string */
	162	char *copy = strdup(new);
	163	if(copy == NULL){
	164	return false;
	165	}
	166	/* Insert the copy */
	167	(array)[len] = copy;
	168	(*len)++;
	169	/* Add a new terminating NULL pointer to the last element */
	170	(array)[len] = NULL;
	171	return true;
	172	}
	173
	174	/* Add to a plugin's argument vector */
	175	static bool add_argument(plugin p, const char arg){
	176	if(p == NULL){
	177	return false;
	178	}
	179	return add_to_char_array(arg, &(p->argv), &(p->argc));
	180	}
	181
	182	/* Add to a plugin's environment */
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	183	static bool add_environment(plugin p, const char def, bool replace){
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	184	if(p == NULL){
	185	return false;
	186	}
135 by Teddy Hogeborn * plugin-runner.c (add_environment): Never insert existing environment	187	/* namelen = length of name of environment variable */
	188	size_t namelen = (size_t)(strchrnul(def, '=') - def);
	189	/* Search for this environment variable */
	190	for(char *e = p->environ; e != NULL; e++){
24.1.90 by Björn Påhlsson fixed two bugs:	191	if(strncmp(*e, def, namelen + 1) == 0){
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	192	/* It already exists */
	193	if(replace){
24.1.90 by Björn Påhlsson fixed two bugs:	194	char new = realloc(e, strlen(def) + 1);
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	195	if(new == NULL){
	196	return false;
	197	}
	198	*e = new;
	199	strcpy(*e, def);
	200	}
135 by Teddy Hogeborn * plugin-runner.c (add_environment): Never insert existing environment	201	return true;
	202	}
	203	}
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	204	return add_to_char_array(def, &(p->environ), &(p->envc));
	205	}
	206
32 by Teddy Hogeborn * plugins.d/plugbasedclient.c (set_cloexec_flag): New function.	207	/*
	208	* Based on the example in the GNU LibC manual chapter 13.13 "File
	209	* Descriptor Flags".
	210	* *Note File Descriptor Flags:(libc)Descriptor Flags.
	211	*/
187 by Teddy Hogeborn * debian/mandos-client.README.Debian: Document "eth0" default and how	212	static int set_cloexec_flag(int fd){
32 by Teddy Hogeborn * plugins.d/plugbasedclient.c (set_cloexec_flag): New function.	213	int ret = fcntl(fd, F_GETFD, 0);
	214	/* If reading the flags failed, return error indication now. */
	215	if(ret < 0){
	216	return ret;
	217	}
	218	/* Store modified flag word in the descriptor. */
	219	return fcntl(fd, F_SETFD, ret \| FD_CLOEXEC);
	220	}
	221
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	222
102 by Teddy Hogeborn * plugin-runner.c (process): Set "completed" and "status" as volatile.	223	/* Mark processes as completed when they exit, and save their exit
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	224	status. */
187 by Teddy Hogeborn * debian/mandos-client.README.Debian: Document "eth0" default and how	225	static void handle_sigchld(__attribute__((unused)) int sig){
24.1.65 by Björn Påhlsson * plugin-runner.c (handle_sigchld): Loop until all exited children	226	while(true){
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	227	plugin *proc = plugin_list;
24.1.65 by Björn Påhlsson * plugin-runner.c (handle_sigchld): Loop until all exited children	228	int status;
	229	pid_t pid = waitpid(-1, &status, WNOHANG);
	230	if(pid == 0){
102 by Teddy Hogeborn * plugin-runner.c (process): Set "completed" and "status" as volatile.	231	/* Only still running child processes */
24.1.65 by Björn Påhlsson * plugin-runner.c (handle_sigchld): Loop until all exited children	232	break;
	233	}
	234	if(pid == -1){
237.2.58 by Teddy Hogeborn * plugin-runner.c (handle_sigchld): Clarify logic.	235	if(errno == ECHILD){
	236	/* No child processes */
	237	break;
24.1.65 by Björn Påhlsson * plugin-runner.c (handle_sigchld): Loop until all exited children	238	}
237.2.58 by Teddy Hogeborn * plugin-runner.c (handle_sigchld): Clarify logic.	239	perror("waitpid");
24.1.65 by Björn Påhlsson * plugin-runner.c (handle_sigchld): Loop until all exited children	240	}
24.1.90 by Björn Påhlsson fixed two bugs:	241
102 by Teddy Hogeborn * plugin-runner.c (process): Set "completed" and "status" as volatile.	242	/* A child exited, find it in process_list */
24.1.65 by Björn Påhlsson * plugin-runner.c (handle_sigchld): Loop until all exited children	243	while(proc != NULL and proc->pid != pid){
	244	proc = proc->next;
	245	}
	246	if(proc == NULL){
	247	/* Process not found in process list */
	248	continue;
	249	}
	250	proc->status = status;
237.2.59 by Teddy Hogeborn * plugin-runner.c (struct plugin.completed): Changed type to "volatile	251	proc->completed = 1;
24.1.65 by Björn Påhlsson * plugin-runner.c (handle_sigchld): Loop until all exited children	252	}
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	253	}
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	254
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	255	/* Prints out a password to stdout */
187 by Teddy Hogeborn * debian/mandos-client.README.Debian: Document "eth0" default and how	256	static bool print_out_password(const char *buffer, size_t length){
64 by Teddy Hogeborn * mandos-client.c (print_out_password): Strip trailing '\n'.	257	ssize_t ret;
	258	for(size_t written = 0; written < length; written += (size_t)ret){
24.1.42 by Björn Påhlsson Added fallback to mandos-client	259	ret = TEMP_FAILURE_RETRY(write(STDOUT_FILENO, buffer + written,
	260	length - written));
	261	if(ret < 0){
	262	return false;
	263	}
	264	}
	265	return true;
	266	}
	267
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	268	/* Removes and free a plugin from the plugin list */
	269	static void free_plugin(plugin *plugin_node){
	270
	271	for(char *arg = plugin_node->argv; arg != NULL; arg++){
	272	free(*arg);
	273	}
	274	free(plugin_node->argv);
	275	for(char *env = plugin_node->environ; env != NULL; env++){
	276	free(*env);
	277	}
	278	free(plugin_node->environ);
	279	free(plugin_node->buffer);
	280
	281	/* Removes the plugin from the singly-linked list */
	282	if(plugin_node == plugin_list){
	283	/* First one - simple */
	284	plugin_list = plugin_list->next;
	285	} else {
	286	/* Second one or later */
	287	for(plugin *p = plugin_list; p != NULL; p = p->next){
	288	if(p->next == plugin_node){
	289	p->next = plugin_node->next;
	290	break;
	291	}
	292	}
	293	}
	294
	295	free(plugin_node);
	296	}
	297
	298	static void free_plugin_list(void){
	299	while(plugin_list != NULL){
	300	free_plugin(plugin_list);
98 by Teddy Hogeborn * plugin-runner.c (getplugin): Only copy "name" if not NULL. Free	301	}
24.1.54 by Björn Påhlsson plugin-runner	302	}
24.1.54 by Björn Påhlsson plugin-runner	303
13 by Björn Påhlsson Added following support:	304	int main(int argc, char *argv[]){
24.1.69 by Björn Påhlsson added configfile as a optional argument to plugin-runner	305	char *plugindir = NULL;
	306	char *argfile = NULL;
24.1.51 by Björn Påhlsson Added configuration files support for mandos-client	307	FILE *conffp;
24.1.5 by Björn Påhlsson plugbasedclient:	308	size_t d_name_len;
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	309	DIR *dir = NULL;
13 by Björn Påhlsson Added following support:	310	struct dirent *dirst;
13 by Björn Påhlsson Added following support:	311	struct stat st;
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	312	fd_set rfds_all;
237.2.31 by Teddy Hogeborn Fixes for sscanf usage:	313	int ret, numchars, maxfd = 0;
237.2.17 by Teddy Hogeborn Eliminate warning on 64-bit systems, thanks to Frans Pop	314	ssize_t sret;
237.2.31 by Teddy Hogeborn Fixes for sscanf usage:	315	intmax_t tmpmax;
24.1.6 by Björn Påhlsson plugbasedclient	316	uid_t uid = 65534;
24.1.6 by Björn Påhlsson plugbasedclient	317	gid_t gid = 65534;
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	318	bool debug = false;
	319	int exitstatus = EXIT_SUCCESS;
24.1.7 by Björn Påhlsson merge	320	struct sigaction old_sigchld_action;
	321	struct sigaction sigchld_action = { .sa_handler = handle_sigchld,
	322	.sa_flags = SA_NOCLDSTOP };
24.1.51 by Björn Påhlsson Added configuration files support for mandos-client	323	char **custom_argv = NULL;
	324	int custom_argc = 0;
	325
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	326	/* Establish a signal handler */
	327	sigemptyset(&sigchld_action.sa_mask);
	328	ret = sigaddset(&sigchld_action.sa_mask, SIGCHLD);
24.1.54 by Björn Påhlsson plugin-runner	329	if(ret == -1){
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	330	perror("sigaddset");
24.1.54 by Björn Påhlsson plugin-runner	331	exitstatus = EXIT_FAILURE;
24.1.54 by Björn Påhlsson plugin-runner	332	goto fallback;
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	333	}
	334	ret = sigaction(SIGCHLD, &sigchld_action, &old_sigchld_action);
24.1.54 by Björn Påhlsson plugin-runner	335	if(ret == -1){
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	336	perror("sigaction");
98 by Teddy Hogeborn * plugin-runner.c (getplugin): Only copy "name" if not NULL. Free	337	exitstatus = EXIT_FAILURE;
24.1.54 by Björn Påhlsson plugin-runner	338	goto fallback;
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	339	}
	340
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	341	/* The options we understand. */
	342	struct argp_option options[] = {
	343	{ .name = "global-options", .key = 'g',
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	344	.arg = "OPTION[,OPTION[,...]]",
	345	.doc = "Options passed to all plugins" },
138 by Teddy Hogeborn * plugin-runner.c: Changed short option for "--global-env" to "-G",	346	{ .name = "global-env", .key = 'G',
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	347	.arg = "VAR=value",
	348	.doc = "Environment variable passed to all plugins" },
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	349	{ .name = "options-for", .key = 'o',
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	350	.arg = "PLUGIN:OPTION[,OPTION[,...]]",
	351	.doc = "Options passed only to specified plugin" },
138 by Teddy Hogeborn * plugin-runner.c: Changed short option for "--global-env" to "-G",	352	{ .name = "env-for", .key = 'E',
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	353	.arg = "PLUGIN:ENV=value",
	354	.doc = "Environment variable passed to specified plugin" },
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	355	{ .name = "disable", .key = 'd',
	356	.arg = "PLUGIN",
	357	.doc = "Disable a specific plugin", .group = 1 },
138 by Teddy Hogeborn * plugin-runner.c: Changed short option for "--global-env" to "-G",	358	{ .name = "enable", .key = 'e',
	359	.arg = "PLUGIN",
	360	.doc = "Enable a specific plugin", .group = 1 },
24.1.5 by Björn Påhlsson plugbasedclient:	361	{ .name = "plugin-dir", .key = 128,
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	362	.arg = "DIRECTORY",
	363	.doc = "Specify a different plugin directory", .group = 2 },
24.1.69 by Björn Påhlsson added configfile as a optional argument to plugin-runner	364	{ .name = "config-file", .key = 129,
	365	.arg = "FILE",
	366	.doc = "Specify a different configuration file", .group = 2 },
	367	{ .name = "userid", .key = 130,
	368	.arg = "ID", .flags = 0,
	369	.doc = "User ID the plugins will run as", .group = 3 },
	370	{ .name = "groupid", .key = 131,
	371	.arg = "ID", .flags = 0,
	372	.doc = "Group ID the plugins will run as", .group = 3 },
	373	{ .name = "debug", .key = 132,
	374	.doc = "Debug mode", .group = 4 },
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	375	{ .name = NULL }
	376	};
	377
237.2.29 by Teddy Hogeborn * plugin-runner.c: Only space changes.	378	error_t parse_opt(int key, char *arg, __attribute__((unused))
237.2.56 by Teddy Hogeborn * plugin-runner.c: Whitespace changes only.	379	struct argp_state *state){
	380	switch(key){
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	381	case 'g': /* --global-options */
237.2.29 by Teddy Hogeborn * plugin-runner.c: Only space changes.	382	if(arg != NULL){
24.1.50 by Björn Påhlsson changed from using strtok to strsep	383	char *p;
	384	while((p = strsep(&arg, ",")) != NULL){
24.1.51 by Björn Påhlsson Added configuration files support for mandos-client	385	if(p[0] == '\0'){
24.1.50 by Björn Påhlsson changed from using strtok to strsep	386	continue;
	387	}
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	388	if(not add_argument(getplugin(NULL), p)){
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	389	perror("add_argument");
	390	return ARGP_ERR_UNKNOWN;
	391	}
	392	}
	393	}
	394	break;
138 by Teddy Hogeborn * plugin-runner.c: Changed short option for "--global-env" to "-G",	395	case 'G': /* --global-env */
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	396	if(arg == NULL){
	397	break;
	398	}
24.1.92 by Björn Påhlsson Several memory leaks detected by valgrind fixed	399	if(not add_environment(getplugin(NULL), arg, true)){
	400	perror("add_environment");
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	401	}
	402	break;
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	403	case 'o': /* --options-for */
237.2.29 by Teddy Hogeborn * plugin-runner.c: Only space changes.	404	if(arg != NULL){
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	405	char *p_name = strsep(&arg, ":");
24.1.90 by Björn Påhlsson fixed two bugs:	406	if(p_name[0] == '\0' or arg == NULL){
24.1.50 by Björn Påhlsson changed from using strtok to strsep	407	break;
	408	}
	409	char *opt = strsep(&arg, ":");
24.1.90 by Björn Påhlsson fixed two bugs:	410	if(opt[0] == '\0' or opt == NULL){
24.1.50 by Björn Påhlsson changed from using strtok to strsep	411	break;
	412	}
24.1.90 by Björn Påhlsson fixed two bugs:	413	char *p;
	414	while((p = strsep(&opt, ",")) != NULL){
	415	if(p[0] == '\0'){
	416	continue;
	417	}
	418	if(not add_argument(getplugin(p_name), p)){
	419	perror("add_argument");
	420	return ARGP_ERR_UNKNOWN;
24.1.50 by Björn Påhlsson changed from using strtok to strsep	421	}
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	422	}
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	423	}
	424	break;
138 by Teddy Hogeborn * plugin-runner.c: Changed short option for "--global-env" to "-G",	425	case 'E': /* --env-for */
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	426	if(arg == NULL){
	427	break;
	428	}
	429	{
	430	char *envdef = strchr(arg, ':');
	431	if(envdef == NULL){
	432	break;
	433	}
24.1.92 by Björn Påhlsson Several memory leaks detected by valgrind fixed	434	*envdef = '\0';
	435	if(not add_environment(getplugin(arg), envdef+1, true)){
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	436	perror("add_environment");
	437	}
	438	}
	439	break;
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	440	case 'd': /* --disable */
237.2.29 by Teddy Hogeborn * plugin-runner.c: Only space changes.	441	if(arg != NULL){
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	442	plugin *p = getplugin(arg);
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	443	if(p == NULL){
	444	return ARGP_ERR_UNKNOWN;
	445	}
	446	p->disabled = true;
24.1.5 by Björn Påhlsson plugbasedclient:	447	}
24.1.5 by Björn Påhlsson plugbasedclient:	448	break;
138 by Teddy Hogeborn * plugin-runner.c: Changed short option for "--global-env" to "-G",	449	case 'e': /* --enable */
237.2.29 by Teddy Hogeborn * plugin-runner.c: Only space changes.	450	if(arg != NULL){
138 by Teddy Hogeborn * plugin-runner.c: Changed short option for "--global-env" to "-G",	451	plugin *p = getplugin(arg);
	452	if(p == NULL){
	453	return ARGP_ERR_UNKNOWN;
	454	}
	455	p->disabled = false;
	456	}
	457	break;
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	458	case 128: /* --plugin-dir */
24.1.92 by Björn Påhlsson Several memory leaks detected by valgrind fixed	459	free(plugindir);
24.1.69 by Björn Påhlsson added configfile as a optional argument to plugin-runner	460	plugindir = strdup(arg);
	461	if(plugindir == NULL){
	462	perror("strdup");
	463	}
24.1.5 by Björn Påhlsson plugbasedclient:	464	break;
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	465	case 129: /* --config-file */
137 by Teddy Hogeborn * plugin-runner.c (main/parse_opt): Removed code for "--config-file".	466	/* This is already done by parse_opt_config_file() */
	467	break;
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	468	case 130: /* --userid */
237.2.31 by Teddy Hogeborn Fixes for sscanf usage:	469	ret = sscanf(arg, "%" SCNdMAX "%n", &tmpmax, &numchars);
	470	if(ret < 1 or tmpmax != (uid_t)tmpmax
	471	or arg[numchars] != '\0'){
	472	fprintf(stderr, "Bad user ID number: \"%s\", using %"
	473	PRIdMAX "\n", arg, (intmax_t)uid);
	474	} else {
	475	uid = (uid_t)tmpmax;
237.2.27 by Teddy Hogeborn * plugin-runner.c (main): Use "sscanf" instead of "strtol"; using the	476	}
24.1.6 by Björn Påhlsson plugbasedclient	477	break;
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	478	case 131: /* --groupid */
237.2.31 by Teddy Hogeborn Fixes for sscanf usage:	479	ret = sscanf(arg, "%" SCNdMAX "%n", &tmpmax, &numchars);
	480	if(ret < 1 or tmpmax != (gid_t)tmpmax
	481	or arg[numchars] != '\0'){
	482	fprintf(stderr, "Bad group ID number: \"%s\", using %"
	483	PRIdMAX "\n", arg, (intmax_t)gid);
	484	} else {
	485	gid = (gid_t)tmpmax;
237.2.27 by Teddy Hogeborn * plugin-runner.c (main): Use "sscanf" instead of "strtol"; using the	486	}
24.1.6 by Björn Påhlsson plugbasedclient	487	break;
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	488	case 132: /* --debug */
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	489	debug = true;
	490	break;
237.2.27 by Teddy Hogeborn * plugin-runner.c (main): Use "sscanf" instead of "strtol"; using the	491	/*
	492	* When adding more options before this line, remember to also add a
	493	* "case" to the "parse_opt_config_file" function below.
	494	*/
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	495	case ARGP_KEY_ARG:
178 by Teddy Hogeborn * initramfs-tools-script: Fix permissions of "/tmp" in initrd.	496	/* Cryptsetup always passes an argument, which is an empty
	497	string if "none" was specified in /etc/crypttab. So if
	498	argument was empty, we ignore it silently. */
	499	if(arg[0] != '\0'){
	500	fprintf(stderr, "Ignoring unknown argument \"%s\"\n", arg);
	501	}
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	502	break;
	503	case ARGP_KEY_END:
	504	break;
	505	default:
	506	return ARGP_ERR_UNKNOWN;
	507	}
	508	return 0;
	509	}
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	510
137 by Teddy Hogeborn * plugin-runner.c (main/parse_opt): Removed code for "--config-file".	511	/* This option parser is the same as parse_opt() above, except it
	512	ignores everything but the --config-file option. */
237.2.29 by Teddy Hogeborn * plugin-runner.c: Only space changes.	513	error_t parse_opt_config_file(int key, char *arg,
	514	__attribute__((unused))
237.2.56 by Teddy Hogeborn * plugin-runner.c: Whitespace changes only.	515	struct argp_state *state){
	516	switch(key){
137 by Teddy Hogeborn * plugin-runner.c (main/parse_opt): Removed code for "--config-file".	517	case 'g': /* --global-options */
138 by Teddy Hogeborn * plugin-runner.c: Changed short option for "--global-env" to "-G",	518	case 'G': /* --global-env */
137 by Teddy Hogeborn * plugin-runner.c (main/parse_opt): Removed code for "--config-file".	519	case 'o': /* --options-for */
138 by Teddy Hogeborn * plugin-runner.c: Changed short option for "--global-env" to "-G",	520	case 'E': /* --env-for */
137 by Teddy Hogeborn * plugin-runner.c (main/parse_opt): Removed code for "--config-file".	521	case 'd': /* --disable */
138 by Teddy Hogeborn * plugin-runner.c: Changed short option for "--global-env" to "-G",	522	case 'e': /* --enable */
137 by Teddy Hogeborn * plugin-runner.c (main/parse_opt): Removed code for "--config-file".	523	case 128: /* --plugin-dir */
	524	break;
	525	case 129: /* --config-file */
24.1.92 by Björn Påhlsson Several memory leaks detected by valgrind fixed	526	free(argfile);
137 by Teddy Hogeborn * plugin-runner.c (main/parse_opt): Removed code for "--config-file".	527	argfile = strdup(arg);
	528	if(argfile == NULL){
	529	perror("strdup");
	530	}
	531	break;
	532	case 130: /* --userid */
	533	case 131: /* --groupid */
	534	case 132: /* --debug */
	535	case ARGP_KEY_ARG:
	536	case ARGP_KEY_END:
	537	break;
	538	default:
	539	return ARGP_ERR_UNKNOWN;
	540	}
	541	return 0;
	542	}
	543
	544	struct argp argp = { .options = options,
	545	.parser = parse_opt_config_file,
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	546	.args_doc = "",
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	547	.doc = "Mandos plugin runner -- Run plugins" };
	548
237.2.28 by Teddy Hogeborn * plugin-runner.c (main): Bug fix; do not accept a "d" character after	549	/* 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".	550	config file location, if any. */
237.2.29 by Teddy Hogeborn * plugin-runner.c: Only space changes.	551	ret = argp_parse(&argp, argc, argv, ARGP_IN_ORDER, 0, NULL);
	552	if(ret == ARGP_ERR_UNKNOWN){
137 by Teddy Hogeborn * plugin-runner.c (main/parse_opt): Removed code for "--config-file".	553	fprintf(stderr, "Unknown error while parsing arguments\n");
	554	exitstatus = EXIT_FAILURE;
	555	goto fallback;
	556	}
	557
	558	/* Reset to the normal argument parser */
	559	argp.parser = parse_opt;
	560
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	561	/* Open the configfile if available */
237.2.29 by Teddy Hogeborn * plugin-runner.c: Only space changes.	562	if(argfile == NULL){
24.1.69 by Björn Påhlsson added configfile as a optional argument to plugin-runner	563	conffp = fopen(AFILE, "r");
	564	} else {
	565	conffp = fopen(argfile, "r");
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	566	}
24.1.51 by Björn Påhlsson Added configuration files support for mandos-client	567	if(conffp != NULL){
	568	char *org_line = NULL;
24.1.54 by Björn Påhlsson plugin-runner	569	char p, arg, new_arg, line;
24.1.51 by Björn Påhlsson Added configuration files support for mandos-client	570	size_t size = 0;
	571	const char whitespace_delims[] = " \r\t\f\v\n";
	572	const char comment_delim[] = "#";
	573
24.1.67 by Björn Påhlsson transformed a function to a part of main	574	custom_argc = 1;
	575	custom_argv = malloc(sizeof(char) 2);
	576	if(custom_argv == NULL){
	577	perror("malloc");
	578	exitstatus = EXIT_FAILURE;
	579	goto fallback;
	580	}
	581	custom_argv[0] = argv[0];
	582	custom_argv[1] = NULL;
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	583
133 by Teddy Hogeborn * plugin-runner.c: Break a couple of long lines.	584	/* for each line in the config file, strip whitespace and ignore
	585	commented text */
24.1.51 by Björn Påhlsson Added configuration files support for mandos-client	586	while(true){
	587	sret = getline(&org_line, &size, conffp);
	588	if(sret == -1){
	589	break;
	590	}
	591
	592	line = org_line;
	593	arg = strsep(&line, comment_delim);
	594	while((p = strsep(&arg, whitespace_delims)) != NULL){
	595	if(p[0] == '\0'){
	596	continue;
	597	}
	598	new_arg = strdup(p);
24.1.69 by Björn Påhlsson added configfile as a optional argument to plugin-runner	599	if(new_arg == NULL){
	600	perror("strdup");
	601	exitstatus = EXIT_FAILURE;
	602	free(org_line);
	603	goto fallback;
	604	}
	605
24.1.67 by Björn Påhlsson transformed a function to a part of main	606	custom_argc += 1;
	607	custom_argv = realloc(custom_argv, sizeof(char *)
	608	* ((unsigned int) custom_argc + 1));
	609	if(custom_argv == NULL){
	610	perror("realloc");
24.1.51 by Björn Påhlsson Added configuration files support for mandos-client	611	exitstatus = EXIT_FAILURE;
24.1.67 by Björn Påhlsson transformed a function to a part of main	612	free(org_line);
24.1.54 by Björn Påhlsson plugin-runner	613	goto fallback;
24.1.51 by Björn Påhlsson Added configuration files support for mandos-client	614	}
24.1.67 by Björn Påhlsson transformed a function to a part of main	615	custom_argv[custom_argc-1] = new_arg;
	616	custom_argv[custom_argc] = NULL;
24.1.51 by Björn Påhlsson Added configuration files support for mandos-client	617	}
	618	}
	619	free(org_line);
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	620	} else {
24.1.52 by Björn Påhlsson merge + minor adjustments	621	/* Check for harmful errors and go to fallback. Other errors might
24.1.52 by Björn Påhlsson merge + minor adjustments	622	not affect opening plugins */
237.2.29 by Teddy Hogeborn * plugin-runner.c: Only space changes.	623	if(errno == EMFILE or errno == ENFILE or errno == ENOMEM){
24.1.51 by Björn Påhlsson Added configuration files support for mandos-client	624	perror("fopen");
24.1.8 by Björn Påhlsson plugbasedclient	625	exitstatus = EXIT_FAILURE;
24.1.54 by Björn Påhlsson plugin-runner	626	goto fallback;
24.1.8 by Björn Påhlsson plugbasedclient	627	}
24.1.51 by Björn Påhlsson Added configuration files support for mandos-client	628	}
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	629	/* If there was any arguments from configuration file,
	630	pass them to parser as command arguments */
24.1.51 by Björn Påhlsson Added configuration files support for mandos-client	631	if(custom_argv != NULL){
237.2.29 by Teddy Hogeborn * plugin-runner.c: Only space changes.	632	ret = argp_parse(&argp, custom_argc, custom_argv, ARGP_IN_ORDER,
	633	0, NULL);
	634	if(ret == ARGP_ERR_UNKNOWN){
64 by Teddy Hogeborn * mandos-client.c (print_out_password): Strip trailing '\n'.	635	fprintf(stderr, "Unknown error while parsing arguments\n");
24.1.26 by Björn Påhlsson tally count of used symbols	636	exitstatus = EXIT_FAILURE;
24.1.54 by Björn Påhlsson plugin-runner	637	goto fallback;
24.1.26 by Björn Påhlsson tally count of used symbols	638	}
24.1.8 by Björn Påhlsson plugbasedclient	639	}
24.1.8 by Björn Påhlsson plugbasedclient	640
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	641	/* Parse actual command line arguments, to let them override the
	642	config file */
237.2.29 by Teddy Hogeborn * plugin-runner.c: Only space changes.	643	ret = argp_parse(&argp, argc, argv, ARGP_IN_ORDER, 0, NULL);
	644	if(ret == ARGP_ERR_UNKNOWN){
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	645	fprintf(stderr, "Unknown error while parsing arguments\n");
	646	exitstatus = EXIT_FAILURE;
	647	goto fallback;
	648	}
	649
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	650	if(debug){
	651	for(plugin *p = plugin_list; p != NULL; p=p->next){
	652	fprintf(stderr, "Plugin: %s has %d arguments\n",
32 by Teddy Hogeborn * plugins.d/plugbasedclient.c (set_cloexec_flag): New function.	653	p->name ? p->name : "Global", p->argc - 1);
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	654	for(char *a = p->argv; a != NULL; a++){
	655	fprintf(stderr, "\tArg: %s\n", *a);
	656	}
237.2.31 by Teddy Hogeborn Fixes for sscanf usage:	657	fprintf(stderr, "...and %d environment variables\n", p->envc);
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	658	for(char *a = p->environ; a != NULL; a++){
	659	fprintf(stderr, "\t%s\n", *a);
	660	}
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	661	}
	662	}
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	663
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	664	/* Strip permissions down to nobody */
24.1.6 by Björn Påhlsson plugbasedclient	665	ret = setuid(uid);
237.2.29 by Teddy Hogeborn * plugin-runner.c: Only space changes.	666	if(ret == -1){
24.1.6 by Björn Påhlsson plugbasedclient	667	perror("setuid");
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	668	}
24.1.6 by Björn Påhlsson plugbasedclient	669	setgid(gid);
237.2.29 by Teddy Hogeborn * plugin-runner.c: Only space changes.	670	if(ret == -1){
39 by Teddy Hogeborn * plugins.d/mandosclient.c (pgp_packet_decrypt): Renamed variables.	671	perror("setgid");
24.1.6 by Björn Påhlsson plugbasedclient	672	}
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	673
237.2.29 by Teddy Hogeborn * plugin-runner.c: Only space changes.	674	if(plugindir == NULL){
24.1.69 by Björn Påhlsson added configfile as a optional argument to plugin-runner	675	dir = opendir(PDIR);
	676	} else {
	677	dir = opendir(plugindir);
	678	}
24.1.6 by Björn Påhlsson plugbasedclient	679
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	680	if(dir == NULL){
	681	perror("Could not open plugin dir");
	682	exitstatus = EXIT_FAILURE;
24.1.54 by Björn Påhlsson plugin-runner	683	goto fallback;
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	684	}
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	685
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	686	/* Set the FD_CLOEXEC flag on the directory, if possible */
	687	{
	688	int dir_fd = dirfd(dir);
	689	if(dir_fd >= 0){
	690	ret = set_cloexec_flag(dir_fd);
	691	if(ret < 0){
	692	perror("set_cloexec_flag");
	693	exitstatus = EXIT_FAILURE;
24.1.54 by Björn Påhlsson plugin-runner	694	goto fallback;
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	695	}
	696	}
	697	}
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	698
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	699	FD_ZERO(&rfds_all);
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	700
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	701	/* Read and execute any executable in the plugin directory*/
13 by Björn Påhlsson Added following support:	702	while(true){
	703	dirst = readdir(dir);
	704
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	705	/* All directory entries have been processed */
13 by Björn Påhlsson Added following support:	706	if(dirst == NULL){
237.2.29 by Teddy Hogeborn * plugin-runner.c: Only space changes.	707	if(errno == EBADF){
24.1.26 by Björn Påhlsson tally count of used symbols	708	perror("readdir");
24.1.26 by Björn Påhlsson tally count of used symbols	709	exitstatus = EXIT_FAILURE;
24.1.54 by Björn Påhlsson plugin-runner	710	goto fallback;
24.1.26 by Björn Påhlsson tally count of used symbols	711	}
13 by Björn Påhlsson Added following support:	712	break;
	713	}
	714
	715	d_name_len = strlen(dirst->d_name);
	716
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	717	/* Ignore dotfiles, backup files and other junk */
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	718	{
	719	bool bad_name = false;
	720
	721	const char const *bad_prefixes[] = { ".", "#", NULL };
	722
	723	const char const *bad_suffixes[] = { "~", "#", ".dpkg-new",
	724	".dpkg-old",
236 by Teddy Hogeborn * initramfs-tools-hook: Also ignore plugins named "*.dpkg-bak".	725	".dpkg-bak",
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	726	".dpkg-divert", NULL };
	727	for(const char *pre = bad_prefixes; pre != NULL; pre++){
	728	size_t pre_len = strlen(*pre);
	729	if((d_name_len >= pre_len)
	730	and strncmp((dirst->d_name), *pre, pre_len) == 0){
	731	if(debug){
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	732	fprintf(stderr, "Ignoring plugin dir entry \"%s\""
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	733	" with bad prefix %s\n", dirst->d_name, *pre);
	734	}
	735	bad_name = true;
	736	break;
	737	}
	738	}
	739	if(bad_name){
	740	continue;
	741	}
	742	for(const char *suf = bad_suffixes; suf != NULL; suf++){
	743	size_t suf_len = strlen(*suf);
	744	if((d_name_len >= suf_len)
	745	and (strcmp((dirst->d_name)+d_name_len-suf_len, *suf)
	746	== 0)){
	747	if(debug){
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	748	fprintf(stderr, "Ignoring plugin dir entry \"%s\""
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	749	" with bad suffix %s\n", dirst->d_name, *suf);
	750	}
	751	bad_name = true;
	752	break;
	753	}
	754	}
	755
	756	if(bad_name){
	757	continue;
	758	}
13 by Björn Påhlsson Added following support:	759	}
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	760
	761	char *filename;
169 by Teddy Hogeborn * plugin-runner.c (main): Bug fix: use built-in default value if	762	if(plugindir == NULL){
	763	ret = asprintf(&filename, PDIR "/%s", dirst->d_name);
	764	} else {
	765	ret = asprintf(&filename, "%s/%s", plugindir, dirst->d_name);
	766	}
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	767	if(ret < 0){
	768	perror("asprintf");
24.1.46 by Björn Påhlsson mandos-client	769	continue;
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	770	}
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	771
24.1.26 by Björn Påhlsson tally count of used symbols	772	ret = stat(filename, &st);
237.2.29 by Teddy Hogeborn * plugin-runner.c: Only space changes.	773	if(ret == -1){
24.1.26 by Björn Påhlsson tally count of used symbols	774	perror("stat");
24.1.46 by Björn Påhlsson mandos-client	775	free(filename);
24.1.46 by Björn Påhlsson mandos-client	776	continue;
24.1.26 by Björn Påhlsson tally count of used symbols	777	}
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	778
	779	/* Ignore non-executable files */
237.2.29 by Teddy Hogeborn * plugin-runner.c: Only space changes.	780	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.	781	if(debug){
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	782	fprintf(stderr, "Ignoring plugin dir entry \"%s\""
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	783	" with bad type or mode\n", filename);
	784	}
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	785	free(filename);
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	786	continue;
	787	}
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	788
	789	plugin *p = getplugin(dirst->d_name);
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	790	if(p == NULL){
	791	perror("getplugin");
	792	free(filename);
	793	continue;
	794	}
	795	if(p->disabled){
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	796	if(debug){
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	797	fprintf(stderr, "Ignoring disabled plugin \"%s\"\n",
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	798	dirst->d_name);
	799	}
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	800	free(filename);
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	801	continue;
	802	}
32 by Teddy Hogeborn * plugins.d/plugbasedclient.c (set_cloexec_flag): New function.	803	{
	804	/* Add global arguments to argument list for this plugin */
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	805	plugin *g = getplugin(NULL);
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	806	if(g != NULL){
	807	for(char *a = g->argv + 1; a != NULL; a++){
	808	if(not add_argument(p, *a)){
	809	perror("add_argument");
	810	}
	811	}
	812	/* Add global environment variables */
	813	for(char *e = g->environ; e != NULL; e++){
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	814	if(not add_environment(p, *e, false)){
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	815	perror("add_environment");
	816	}
	817	}
	818	}
	819	}
	820	/* If this plugin has any environment variables, we will call
	821	using execve and need to duplicate the environment from this
	822	process, too. */
	823	if(p->environ[0] != NULL){
	824	for(char *e = environ; e != NULL; e++){
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	825	if(not add_environment(p, *e, false)){
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	826	perror("add_environment");
	827	}
	828	}
	829	}
	830
98 by Teddy Hogeborn * plugin-runner.c (getplugin): Only copy "name" if not NULL. Free	831	int pipefd[2];
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	832	ret = pipe(pipefd);
237.2.29 by Teddy Hogeborn * plugin-runner.c: Only space changes.	833	if(ret == -1){
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	834	perror("pipe");
	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	}
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	838	/* Ask OS to automatic close the pipe on exec */
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	839	ret = set_cloexec_flag(pipefd[0]);
	840	if(ret < 0){
	841	perror("set_cloexec_flag");
	842	exitstatus = EXIT_FAILURE;
24.1.54 by Björn Påhlsson plugin-runner	843	goto fallback;
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	844	}
	845	ret = set_cloexec_flag(pipefd[1]);
	846	if(ret < 0){
	847	perror("set_cloexec_flag");
	848	exitstatus = EXIT_FAILURE;
24.1.54 by Björn Påhlsson plugin-runner	849	goto fallback;
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	850	}
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	851	/* Block SIGCHLD until process is safely in process list */
237.2.29 by Teddy Hogeborn * plugin-runner.c: Only space changes.	852	ret = sigprocmask(SIG_BLOCK, &sigchld_action.sa_mask, NULL);
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	853	if(ret < 0){
	854	perror("sigprocmask");
	855	exitstatus = EXIT_FAILURE;
24.1.54 by Björn Påhlsson plugin-runner	856	goto fallback;
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	857	}
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	858	/* Starting a new process to be watched */
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	859	pid_t pid = fork();
24.1.46 by Björn Påhlsson mandos-client	860	if(pid == -1){
	861	perror("fork");
	862	exitstatus = EXIT_FAILURE;
24.1.54 by Björn Påhlsson plugin-runner	863	goto fallback;
24.1.46 by Björn Påhlsson mandos-client	864	}
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	865	if(pid == 0){
	866	/* this is the child process */
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	867	ret = sigaction(SIGCHLD, &old_sigchld_action, NULL);
	868	if(ret < 0){
	869	perror("sigaction");
	870	_exit(EXIT_FAILURE);
	871	}
210 by Teddy Hogeborn * debian/mandos-client.postinst: Change home directory to	872	ret = sigprocmask(SIG_UNBLOCK, &sigchld_action.sa_mask, NULL);
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	873	if(ret < 0){
	874	perror("sigprocmask");
	875	_exit(EXIT_FAILURE);
	876	}
210 by Teddy Hogeborn * debian/mandos-client.postinst: Change home directory to	877
24.1.26 by Björn Påhlsson tally count of used symbols	878	ret = dup2(pipefd[1], STDOUT_FILENO); /* replace our stdout */
	879	if(ret == -1){
	880	perror("dup2");
	881	_exit(EXIT_FAILURE);
	882	}
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	883
	884	if(dirfd(dir) < 0){
	885	/* If dir has no file descriptor, we could not set FD_CLOEXEC
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	886	above and must now close it manually here. */
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	887	closedir(dir);
33 by Teddy Hogeborn * plugins.d/plugbasedclient.c (main): Close the pipe fd after dup2:ing	888	}
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	889	if(p->environ[0] == NULL){
	890	if(execv(filename, p->argv) < 0){
	891	perror("execv");
	892	_exit(EXIT_FAILURE);
	893	}
	894	} else {
	895	if(execve(filename, p->argv, p->environ) < 0){
	896	perror("execve");
	897	_exit(EXIT_FAILURE);
	898	}
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	899	}
	900	/* no return */
	901	}
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	902	/* Parent process */
	903	close(pipefd[1]); /* Close unused write end of pipe */
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	904	free(filename);
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	905	plugin *new_plugin = getplugin(dirst->d_name);
237.2.29 by Teddy Hogeborn * plugin-runner.c: Only space changes.	906	if(new_plugin == NULL){
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	907	perror("getplugin");
237.2.29 by Teddy Hogeborn * plugin-runner.c: Only space changes.	908	ret = sigprocmask(SIG_UNBLOCK, &sigchld_action.sa_mask, NULL);
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	909	if(ret < 0){
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	910	perror("sigprocmask");
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	911	}
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	912	exitstatus = EXIT_FAILURE;
24.1.54 by Björn Påhlsson plugin-runner	913	goto fallback;
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	914	}
	915
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	916	new_plugin->pid = pid;
	917	new_plugin->fd = pipefd[0];
	918
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	919	/* Unblock SIGCHLD so signal handler can be run if this process
	920	has already completed */
237.2.29 by Teddy Hogeborn * plugin-runner.c: Only space changes.	921	ret = sigprocmask(SIG_UNBLOCK, &sigchld_action.sa_mask, NULL);
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	922	if(ret < 0){
	923	perror("sigprocmask");
	924	exitstatus = EXIT_FAILURE;
24.1.54 by Björn Påhlsson plugin-runner	925	goto fallback;
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	926	}
	927
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	928	FD_SET(new_plugin->fd, &rfds_all);
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	929
237.2.29 by Teddy Hogeborn * plugin-runner.c: Only space changes.	930	if(maxfd < new_plugin->fd){
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	931	maxfd = new_plugin->fd;
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	932	}
13 by Björn Påhlsson Added following support:	933	}
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	934
13 by Björn Påhlsson Added following support:	935	closedir(dir);
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	936	dir = NULL;
210 by Teddy Hogeborn * debian/mandos-client.postinst: Change home directory to	937
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	938	for(plugin *p = plugin_list; p != NULL; p = p->next){
	939	if(p->pid != 0){
	940	break;
	941	}
	942	if(p->next == NULL){
	943	fprintf(stderr, "No plugin processes started. Incorrect plugin"
	944	" directory?\n");
	945	free_plugin_list();
	946	}
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	947	}
210 by Teddy Hogeborn * debian/mandos-client.postinst: Change home directory to	948
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	949	/* Main loop while running plugins exist */
	950	while(plugin_list){
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	951	fd_set rfds = rfds_all;
	952	int select_ret = select(maxfd+1, &rfds, NULL, NULL, NULL);
237.2.29 by Teddy Hogeborn * plugin-runner.c: Only space changes.	953	if(select_ret == -1){
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	954	perror("select");
	955	exitstatus = EXIT_FAILURE;
24.1.54 by Björn Påhlsson plugin-runner	956	goto fallback;
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	957	}
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	958	/* OK, now either a process completed, or something can be read
	959	from one of them */
24.1.92 by Björn Påhlsson Several memory leaks detected by valgrind fixed	960	for(plugin *proc = plugin_list; proc != NULL;){
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	961	/* Is this process completely done? */
	962	if(proc->eof and proc->completed){
	963	/* Only accept the plugin output if it exited cleanly */
	964	if(not WIFEXITED(proc->status)
	965	or WEXITSTATUS(proc->status) != 0){
	966	/* Bad exit by plugin */
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	967
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	968	if(debug){
	969	if(WIFEXITED(proc->status)){
237.2.31 by Teddy Hogeborn Fixes for sscanf usage:	970	fprintf(stderr, "Plugin %" PRIdMAX " exited with status"
237.2.31 by Teddy Hogeborn Fixes for sscanf usage:	971	" %d\n", (intmax_t) (proc->pid),
60 by Teddy Hogeborn * mandos-client.c (main): Cast pid_t to unsigned int before printing.	972	WEXITSTATUS(proc->status));
237.2.56 by Teddy Hogeborn * plugin-runner.c: Whitespace changes only.	973	} else if(WIFSIGNALED(proc->status)){
237.2.31 by Teddy Hogeborn Fixes for sscanf usage:	974	fprintf(stderr, "Plugin %" PRIdMAX " killed by signal"
237.2.31 by Teddy Hogeborn Fixes for sscanf usage:	975	" %d\n", (intmax_t) (proc->pid),
60 by Teddy Hogeborn * mandos-client.c (main): Cast pid_t to unsigned int before printing.	976	WTERMSIG(proc->status));
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	977	} else if(WCOREDUMP(proc->status)){
237.2.31 by Teddy Hogeborn Fixes for sscanf usage:	978	fprintf(stderr, "Plugin %" PRIdMAX " dumped core\n",
237.2.31 by Teddy Hogeborn Fixes for sscanf usage:	979	(intmax_t) (proc->pid));
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	980	}
	981	}
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	982
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	983	/* Remove the plugin */
	984	FD_CLR(proc->fd, &rfds_all);
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	985
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	986	/* Block signal while modifying process_list */
102 by Teddy Hogeborn * plugin-runner.c (process): Set "completed" and "status" as volatile.	987	ret = sigprocmask(SIG_BLOCK, &sigchld_action.sa_mask, NULL);
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	988	if(ret < 0){
	989	perror("sigprocmask");
	990	exitstatus = EXIT_FAILURE;
24.1.54 by Björn Påhlsson plugin-runner	991	goto fallback;
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	992	}
24.1.92 by Björn Påhlsson Several memory leaks detected by valgrind fixed	993
210 by Teddy Hogeborn * debian/mandos-client.postinst: Change home directory to	994	plugin *next_plugin = proc->next;
	995	free_plugin(proc);
	996	proc = next_plugin;
	997
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	998	/* We are done modifying process list, so unblock signal */
237.2.29 by Teddy Hogeborn * plugin-runner.c: Only space changes.	999	ret = sigprocmask(SIG_UNBLOCK, &sigchld_action.sa_mask,
	1000	NULL);
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1001	if(ret < 0){
	1002	perror("sigprocmask");
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	1003	exitstatus = EXIT_FAILURE;
	1004	goto fallback;
	1005	}
	1006
	1007	if(plugin_list == NULL){
	1008	break;
	1009	}
24.1.92 by Björn Påhlsson Several memory leaks detected by valgrind fixed	1010
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	1011	continue;
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1012	}
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	1013
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1014	/* This process exited nicely, so print its buffer */
210 by Teddy Hogeborn * debian/mandos-client.postinst: Change home directory to	1015
102 by Teddy Hogeborn * plugin-runner.c (process): Set "completed" and "status" as volatile.	1016	bool bret = print_out_password(proc->buffer,
	1017	proc->buffer_length);
24.1.42 by Björn Påhlsson Added fallback to mandos-client	1018	if(not bret){
	1019	perror("print_out_password");
	1020	exitstatus = EXIT_FAILURE;
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1021	}
24.1.54 by Björn Påhlsson plugin-runner	1022	goto fallback;
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1023	}
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	1024
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1025	/* This process has not completed. Does it have any output? */
	1026	if(proc->eof or not FD_ISSET(proc->fd, &rfds)){
	1027	/* This process had nothing to say at this time */
24.1.92 by Björn Påhlsson Several memory leaks detected by valgrind fixed	1028	proc = proc->next;
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	1029	continue;
	1030	}
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1031	/* Before reading, make the process' data buffer large enough */
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	1032	if(proc->buffer_length + BUFFER_SIZE > proc->buffer_size){
	1033	proc->buffer = realloc(proc->buffer, proc->buffer_size
	1034	+ (size_t) BUFFER_SIZE);
237.2.29 by Teddy Hogeborn * plugin-runner.c: Only space changes.	1035	if(proc->buffer == NULL){
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	1036	perror("malloc");
	1037	exitstatus = EXIT_FAILURE;
24.1.54 by Björn Påhlsson plugin-runner	1038	goto fallback;
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	1039	}
	1040	proc->buffer_size += BUFFER_SIZE;
	1041	}
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1042	/* Read from the process */
237.2.17 by Teddy Hogeborn Eliminate warning on 64-bit systems, thanks to Frans Pop	1043	sret = read(proc->fd, proc->buffer + proc->buffer_length,
	1044	BUFFER_SIZE);
	1045	if(sret < 0){
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1046	/* Read error from this process; ignore the error */
24.1.92 by Björn Påhlsson Several memory leaks detected by valgrind fixed	1047	proc = proc->next;
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	1048	continue;
	1049	}
237.2.17 by Teddy Hogeborn Eliminate warning on 64-bit systems, thanks to Frans Pop	1050	if(sret == 0){
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	1051	/* got EOF */
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1052	proc->eof = true;
	1053	} else {
237.2.17 by Teddy Hogeborn Eliminate warning on 64-bit systems, thanks to Frans Pop	1054	proc->buffer_length += (size_t) sret;
13 by Björn Påhlsson Added following support:	1055	}
	1056	}
	1057	}
24.1.45 by Björn Påhlsson Fixed fallback on error in mandos-client	1058
	1059
24.1.54 by Björn Påhlsson plugin-runner	1060	fallback:
24.1.42 by Björn Påhlsson Added fallback to mandos-client	1061
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	1062	if(plugin_list == NULL or exitstatus != EXIT_SUCCESS){
102 by Teddy Hogeborn * plugin-runner.c (process): Set "completed" and "status" as volatile.	1063	/* Fallback if all plugins failed, none are found or an error
	1064	occured */
24.1.42 by Björn Påhlsson Added fallback to mandos-client	1065	bool bret;
	1066	fprintf(stderr, "Going to fallback mode using getpass(3)\n");
	1067	char *passwordbuffer = getpass("Password: ");
168 by Teddy Hogeborn * initramfs-tools-hook: Use long options where available. Use only	1068	size_t len = strlen(passwordbuffer);
	1069	/* Strip trailing newline */
	1070	if(len > 0 and passwordbuffer[len-1] == '\n'){
	1071	passwordbuffer[len-1] = '\0'; /* not strictly necessary */
	1072	len--;
	1073	}
	1074	bret = print_out_password(passwordbuffer, len);
24.1.42 by Björn Påhlsson Added fallback to mandos-client	1075	if(not bret){
	1076	perror("print_out_password");
	1077	exitstatus = EXIT_FAILURE;
	1078	}
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1079	}
24.1.42 by Björn Påhlsson Added fallback to mandos-client	1080
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1081	/* Restore old signal handler */
24.1.54 by Björn Påhlsson plugin-runner	1082	ret = sigaction(SIGCHLD, &old_sigchld_action, NULL);
	1083	if(ret == -1){
	1084	perror("sigaction");
	1085	exitstatus = EXIT_FAILURE;
	1086	}
210 by Teddy Hogeborn * debian/mandos-client.postinst: Change home directory to	1087
24.1.54 by Björn Påhlsson plugin-runner	1088	if(custom_argv != NULL){
24.1.67 by Björn Påhlsson transformed a function to a part of main	1089	for(char *arg = custom_argv+1; arg != NULL; arg++){
24.1.54 by Björn Påhlsson plugin-runner	1090	free(*arg);
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	1091	}
24.1.54 by Björn Påhlsson plugin-runner	1092	free(custom_argv);
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1093	}
	1094
	1095	if(dir != NULL){
	1096	closedir(dir);
	1097	}
	1098
210 by Teddy Hogeborn * debian/mandos-client.postinst: Change home directory to	1099	/* Kill the processes */
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	1100	for(plugin *p = plugin_list; p != NULL; p = p->next){
	1101	if(p->pid != 0){
	1102	close(p->fd);
	1103	ret = kill(p->pid, SIGTERM);
	1104	if(ret == -1 and errno != ESRCH){
	1105	/* Set-uid proccesses might not get closed */
	1106	perror("kill");
	1107	}
24.1.26 by Björn Påhlsson tally count of used symbols	1108	}
13 by Björn Påhlsson Added following support:	1109	}
13 by Björn Påhlsson Added following support:	1110
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1111	/* Wait for any remaining child processes to terminate */
	1112	do{
	1113	ret = wait(NULL);
	1114	} while(ret >= 0);
	1115	if(errno != ECHILD){
	1116	perror("wait");
	1117	}
210 by Teddy Hogeborn * debian/mandos-client.postinst: Change home directory to	1118
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	1119	free_plugin_list();
	1120
24.1.69 by Björn Påhlsson added configfile as a optional argument to plugin-runner	1121	free(plugindir);
	1122	free(argfile);
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1123
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	1124	return exitstatus;
13 by Björn Påhlsson Added following support:	1125	}