/mandos/trunk : contents of plugin-runner.c at revision 678

: (revision 678)

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359 by Teddy Hogeborn * plugins-runner.c (main): Bug fix: Close config file.	1	/* -- coding: utf-8; mode: c; mode: orgtbl -- */
21 by Teddy Hogeborn * Makefile (CFLAGS): Changed to use $(WARN), $(DEBUG), $(COVERAGE) and	2	/*
	3	* Mandos plugin runner - Run Mandos plugins
	4	*
626 by Teddy Hogeborn * Makefile (CFLAGS, LDFLAGS): Keep default flags from environment.	5	* Copyright © 2008-2013 Teddy Hogeborn
	6	* Copyright © 2008-2013 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	*
505.1.2 by Teddy Hogeborn Change "fukt.bsnet.se" to "recompile.se" throughout.	22	* Contact the authors at <mandos@recompile.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(),
675 by Teddy Hogeborn Use openat() etc. in plugin-runner. Also one less useless warning.	26	O_CLOEXEC */
24.1.26 by Björn Påhlsson tally count of used symbols	27	#include <stddef.h> /* size_t, NULL */
399 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	28	#include <stdlib.h> /* malloc(), exit(), EXIT_SUCCESS,
399 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	29	realloc() */
24.1.26 by Björn Påhlsson tally count of used symbols	30	#include <stdbool.h> /* bool, true, false */
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	31	#include <stdio.h> /* fileno(), fprintf(),
675 by Teddy Hogeborn Use openat() etc. in plugin-runner. Also one less useless warning.	32	stderr, STDOUT_FILENO, fclose() */
	33	#include <sys/types.h> /* DIR, fdopendir(), fstat(), struct
24.1.26 by Björn Påhlsson tally count of used symbols	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(),
356 by Teddy Hogeborn * plugin-runner.c (main): When a plugin is killed by a signal, show	41	WEXITSTATUS(), WTERMSIG(),
	42	WCOREDUMP() */
675 by Teddy Hogeborn Use openat() etc. in plugin-runner. Also one less useless warning.	43	#include <sys/stat.h> /* struct stat, fstat(), S_ISREG() */
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	44	#include <iso646.h> /* and, or, not */
384 by Teddy Hogeborn * plugin-runner.c (main): Use the O_CLOEXEC flag, if available, when	45	#include <dirent.h> /* DIR, struct dirent, fdopendir(),
24.1.26 by Björn Påhlsson tally count of used symbols	46	readdir(), closedir(), dirfd() */
675 by Teddy Hogeborn Use openat() etc. in plugin-runner. Also one less useless warning.	47	#include <unistd.h> /* fcntl(), F_GETFD, F_SETFD,
	48	FD_CLOEXEC, write(), STDOUT_FILENO,
	49	struct stat, fstat(), close(),
	50	setgid(), setuid(), S_ISREG(),
	51	faccessat() pipe(), fork(),
	52	_exit(), dup2(), fexecve(), read()
	53	*/
24.1.26 by Björn Påhlsson tally count of used symbols	54	#include <fcntl.h> /* fcntl(), F_GETFD, F_SETFD,
675 by Teddy Hogeborn Use openat() etc. in plugin-runner. Also one less useless warning.	55	FD_CLOEXEC, openat() */
	56	#include <string.h> /* strsep, strlen(), strsignal(),
	57	strcmp(), strncmp() */
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	58	#include <errno.h> /* errno */
24.1.26 by Björn Påhlsson tally count of used symbols	59	#include <argp.h> /* struct argp_option, struct
	60	argp_state, struct argp,
	61	argp_parse(), ARGP_ERR_UNKNOWN,
102 by Teddy Hogeborn * plugin-runner.c (process): Set "completed" and "status" as volatile.	62	ARGP_KEY_END, ARGP_KEY_ARG,
	63	error_t */
24.1.26 by Björn Påhlsson tally count of used symbols	64	#include <signal.h> /* struct sigaction, sigemptyset(),
	65	sigaddset(), sigaction(),
	66	sigprocmask(), SIG_BLOCK, SIGCHLD,
308 by Teddy Hogeborn * plugin-runner.c: Comment change.	67	SIG_UNBLOCK, kill(), sig_atomic_t
308 by Teddy Hogeborn * plugin-runner.c: Comment change.	68	*/
24.1.26 by Björn Påhlsson tally count of used symbols	69	#include <errno.h> /* errno, EBADF */
311 by Teddy Hogeborn Overflows are not detected by sscanf(), so stop using it:	70	#include <inttypes.h> /* intmax_t, PRIdMAX, strtoimax() */
399 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	71	#include <sysexits.h> /* EX_OSERR, EX_USAGE, EX_IOERR,
399 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	72	EX_CONFIG, EX_UNAVAILABLE, EX_OK */
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	73	#include <errno.h> /* errno */
	74	#include <error.h> /* error() */
676 by Teddy Hogeborn Use fnmatch()in plugin-runner.	75	#include <fnmatch.h> /* fnmatch() */
13 by Björn Påhlsson Added following support:	76
37 by Teddy Hogeborn Non-tested commit for merge purposes.	77	#define BUFFER_SIZE 256
24.1.69 by Björn Påhlsson added configfile as a optional argument to plugin-runner	78
	79	#define PDIR "/lib/mandos/plugins.d"
	80	#define AFILE "/conf/conf.d/mandos/plugin-runner.conf"
37 by Teddy Hogeborn Non-tested commit for merge purposes.	81
217 by Teddy Hogeborn * .bzrignore: Added "man" directory (created by "make install-html").	82	const char *argp_program_version = "plugin-runner " VERSION;
505.1.2 by Teddy Hogeborn Change "fukt.bsnet.se" to "recompile.se" throughout.	83	const char *argp_program_bug_address = "<mandos@recompile.se>";
24.1.35 by Björn Påhlsson version 1.0	84
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	85	typedef struct plugin{
	86	char name; / can be NULL or any plugin name */
	87	char **argv;
	88	int argc;
	89	char **environ;
	90	int envc;
	91	bool disabled;
312 by Teddy Hogeborn * plugin-runner.c: Whitespace changes only.	92
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	93	/* Variables used for running processes*/
13 by Björn Påhlsson Added following support:	94	pid_t pid;
	95	int fd;
	96	char *buffer;
21 by Teddy Hogeborn * Makefile (CFLAGS): Changed to use $(WARN), $(DEBUG), $(COVERAGE) and	97	size_t buffer_size;
	98	size_t buffer_length;
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	99	bool eof;
296 by Teddy Hogeborn * plugin-runner.c (struct plugin.completed): Changed type to "volatile	100	volatile sig_atomic_t completed;
297 by Teddy Hogeborn * plugin-runner.c (struct plugin.status): Changed type to "int".	101	int status;
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	102	struct plugin *next;
	103	} plugin;
	104
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	105	static plugin *plugin_list = NULL;
	106
24.1.90 by Björn Påhlsson fixed two bugs:	107	/* Gets an existing plugin based on name,
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	108	or if none is found, creates a new one */
672 by Teddy Hogeborn Update GCC warning flags and function attributes to GCC 4.7.	109	__attribute__((warn_unused_result))
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	110	static plugin getplugin(char name){
394 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	111	/* Check for existing plugin with that name */
266 by Teddy Hogeborn * plugin-runner.c: Only space changes.	112	for(plugin *p = plugin_list; p != NULL; p = p->next){
	113	if((p->name == name)
	114	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	115	return p;
	116	}
	117	}
	118	/* Create a new plugin */
362 by Teddy Hogeborn * plugin-runner.c (getplugin, add_environment, main): Handle EINTR	119	plugin *new_plugin = NULL;
363 by Teddy Hogeborn * plugin-runner.c: Minor stylistic changes.	120	do {
362 by Teddy Hogeborn * plugin-runner.c (getplugin, add_environment, main): Handle EINTR	121	new_plugin = malloc(sizeof(plugin));
363 by Teddy Hogeborn * plugin-runner.c: Minor stylistic changes.	122	} while(new_plugin == NULL and errno == EINTR);
266 by Teddy Hogeborn * plugin-runner.c: Only space changes.	123	if(new_plugin == NULL){
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	124	return NULL;
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	125	}
24.1.62 by Björn Påhlsson merge + small bugfix	126	char *copy_name = NULL;
24.1.62 by Björn Påhlsson merge + small bugfix	127	if(name != NULL){
363 by Teddy Hogeborn * plugin-runner.c: Minor stylistic changes.	128	do {
362 by Teddy Hogeborn * plugin-runner.c (getplugin, add_environment, main): Handle EINTR	129	copy_name = strdup(name);
363 by Teddy Hogeborn * plugin-runner.c: Minor stylistic changes.	130	} while(copy_name == NULL and errno == EINTR);
98 by Teddy Hogeborn * plugin-runner.c (getplugin): Only copy "name" if not NULL. Free	131	if(copy_name == NULL){
394 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	132	int e = errno;
272 by Teddy Hogeborn Fix problem found using cppcheck, thanks to George Danchev	133	free(new_plugin);
394 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	134	errno = e;
98 by Teddy Hogeborn * plugin-runner.c (getplugin): Only copy "name" if not NULL. Free	135	return NULL;
	136	}
24.1.54 by Björn Påhlsson plugin-runner	137	}
24.1.90 by Björn Påhlsson fixed two bugs:	138
293 by Teddy Hogeborn * plugin-runner.c: Whitespace changes only.	139	*new_plugin = (plugin){ .name = copy_name,
	140	.argc = 1,
	141	.disabled = false,
	142	.next = plugin_list };
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	143
363 by Teddy Hogeborn * plugin-runner.c: Minor stylistic changes.	144	do {
362 by Teddy Hogeborn * plugin-runner.c (getplugin, add_environment, main): Handle EINTR	145	new_plugin->argv = malloc(sizeof(char ) 2);
363 by Teddy Hogeborn * plugin-runner.c: Minor stylistic changes.	146	} while(new_plugin->argv == NULL and errno == EINTR);
266 by Teddy Hogeborn * plugin-runner.c: Only space changes.	147	if(new_plugin->argv == NULL){
394 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	148	int e = errno;
24.1.62 by Björn Påhlsson merge + small bugfix	149	free(copy_name);
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	150	free(new_plugin);
394 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	151	errno = e;
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	152	return NULL;
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	153	}
24.1.54 by Björn Påhlsson plugin-runner	154	new_plugin->argv[0] = copy_name;
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	155	new_plugin->argv[1] = NULL;
135 by Teddy Hogeborn * plugin-runner.c (add_environment): Never insert existing environment	156
363 by Teddy Hogeborn * plugin-runner.c: Minor stylistic changes.	157	do {
362 by Teddy Hogeborn * plugin-runner.c (getplugin, add_environment, main): Handle EINTR	158	new_plugin->environ = malloc(sizeof(char *));
363 by Teddy Hogeborn * plugin-runner.c: Minor stylistic changes.	159	} while(new_plugin->environ == NULL and errno == EINTR);
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	160	if(new_plugin->environ == NULL){
394 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	161	int e = errno;
24.1.62 by Björn Påhlsson merge + small bugfix	162	free(copy_name);
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	163	free(new_plugin->argv);
	164	free(new_plugin);
394 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	165	errno = e;
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	166	return NULL;
	167	}
	168	new_plugin->environ[0] = NULL;
135 by Teddy Hogeborn * plugin-runner.c (add_environment): Never insert existing environment	169
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	170	/* Append the new plugin to the list */
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	171	plugin_list = new_plugin;
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	172	return new_plugin;
	173	}
	174
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	175	/* Helper function for add_argument and add_environment */
672 by Teddy Hogeborn Update GCC warning flags and function attributes to GCC 4.7.	176	__attribute__((nonnull, warn_unused_result))
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	177	static bool add_to_char_array(const char new, char **array,
	178	int *len){
	179	/* Resize the pointed-to array to hold one more pointer */
666 by Teddy Hogeborn Bug fix: Free all memory and give better messages when memory is full.	180	char **new_array = NULL;
363 by Teddy Hogeborn * plugin-runner.c: Minor stylistic changes.	181	do {
666 by Teddy Hogeborn Bug fix: Free all memory and give better messages when memory is full.	182	new_array = realloc(array, sizeof(char )
	183	* (size_t) ((*len) + 2));
	184	} while(new_array == NULL and errno == EINTR);
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	185	/* Malloc check */
666 by Teddy Hogeborn Bug fix: Free all memory and give better messages when memory is full.	186	if(new_array == NULL){
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	187	return false;
	188	}
666 by Teddy Hogeborn Bug fix: Free all memory and give better messages when memory is full.	189	*array = new_array;
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	190	/* Make a copy of the new string */
362 by Teddy Hogeborn * plugin-runner.c (getplugin, add_environment, main): Handle EINTR	191	char *copy;
363 by Teddy Hogeborn * plugin-runner.c: Minor stylistic changes.	192	do {
362 by Teddy Hogeborn * plugin-runner.c (getplugin, add_environment, main): Handle EINTR	193	copy = strdup(new);
363 by Teddy Hogeborn * plugin-runner.c: Minor stylistic changes.	194	} while(copy == NULL and errno == EINTR);
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	195	if(copy == NULL){
	196	return false;
	197	}
	198	/* Insert the copy */
	199	(array)[len] = copy;
	200	(*len)++;
	201	/* Add a new terminating NULL pointer to the last element */
	202	(array)[len] = NULL;
	203	return true;
	204	}
	205
	206	/* Add to a plugin's argument vector */
672 by Teddy Hogeborn Update GCC warning flags and function attributes to GCC 4.7.	207	__attribute__((nonnull(2), warn_unused_result))
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	208	static bool add_argument(plugin p, const char arg){
	209	if(p == NULL){
	210	return false;
	211	}
	212	return add_to_char_array(arg, &(p->argv), &(p->argc));
	213	}
	214
	215	/* Add to a plugin's environment */
672 by Teddy Hogeborn Update GCC warning flags and function attributes to GCC 4.7.	216	__attribute__((nonnull(2), warn_unused_result))
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	217	static bool add_environment(plugin p, const char def, bool replace){
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	218	if(p == NULL){
	219	return false;
	220	}
135 by Teddy Hogeborn * plugin-runner.c (add_environment): Never insert existing environment	221	/* namelen = length of name of environment variable */
	222	size_t namelen = (size_t)(strchrnul(def, '=') - def);
	223	/* Search for this environment variable */
666 by Teddy Hogeborn Bug fix: Free all memory and give better messages when memory is full.	224	for(char *envdef = p->environ; envdef != NULL; envdef++){
	225	if(strncmp(*envdef, def, namelen + 1) == 0){
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	226	/* It already exists */
	227	if(replace){
666 by Teddy Hogeborn Bug fix: Free all memory and give better messages when memory is full.	228	char *new_envdef;
363 by Teddy Hogeborn * plugin-runner.c: Minor stylistic changes.	229	do {
666 by Teddy Hogeborn Bug fix: Free all memory and give better messages when memory is full.	230	new_envdef = realloc(*envdef, strlen(def) + 1);
	231	} while(new_envdef == NULL and errno == EINTR);
	232	if(new_envdef == NULL){
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	233	return false;
	234	}
666 by Teddy Hogeborn Bug fix: Free all memory and give better messages when memory is full.	235	*envdef = new_envdef;
	236	strcpy(*envdef, def);
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	237	}
135 by Teddy Hogeborn * plugin-runner.c (add_environment): Never insert existing environment	238	return true;
	239	}
	240	}
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	241	return add_to_char_array(def, &(p->environ), &(p->envc));
	242	}
	243
32 by Teddy Hogeborn * plugins.d/plugbasedclient.c (set_cloexec_flag): New function.	244	/*
	245	* Based on the example in the GNU LibC manual chapter 13.13 "File
	246	* Descriptor Flags".
359 by Teddy Hogeborn * plugins-runner.c (main): Bug fix: Close config file.	247	\| [[info:libc:Descriptor%20Flags][File Descriptor Flags]] \|
32 by Teddy Hogeborn * plugins.d/plugbasedclient.c (set_cloexec_flag): New function.	248	*/
672 by Teddy Hogeborn Update GCC warning flags and function attributes to GCC 4.7.	249	__attribute__((warn_unused_result))
187 by Teddy Hogeborn * debian/mandos-client.README.Debian: Document "eth0" default and how	250	static int set_cloexec_flag(int fd){
367 by Teddy Hogeborn * init.d-mandos: Bug fix: Correct the LSB header.	251	int ret = (int)TEMP_FAILURE_RETRY(fcntl(fd, F_GETFD, 0));
32 by Teddy Hogeborn * plugins.d/plugbasedclient.c (set_cloexec_flag): New function.	252	/* If reading the flags failed, return error indication now. */
	253	if(ret < 0){
	254	return ret;
	255	}
	256	/* Store modified flag word in the descriptor. */
367 by Teddy Hogeborn * init.d-mandos: Bug fix: Correct the LSB header.	257	return (int)TEMP_FAILURE_RETRY(fcntl(fd, F_SETFD,
	258	ret \| FD_CLOEXEC));
32 by Teddy Hogeborn * plugins.d/plugbasedclient.c (set_cloexec_flag): New function.	259	}
	260
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	261
102 by Teddy Hogeborn * plugin-runner.c (process): Set "completed" and "status" as volatile.	262	/* Mark processes as completed when they exit, and save their exit
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	263	status. */
187 by Teddy Hogeborn * debian/mandos-client.README.Debian: Document "eth0" default and how	264	static void handle_sigchld(__attribute__((unused)) int sig){
298 by Teddy Hogeborn * plugin-runner.c (handle_sigchld): Bug fix: Save and restore "errno".	265	int old_errno = errno;
24.1.65 by Björn Påhlsson * plugin-runner.c (handle_sigchld): Loop until all exited children	266	while(true){
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	267	plugin *proc = plugin_list;
24.1.65 by Björn Påhlsson * plugin-runner.c (handle_sigchld): Loop until all exited children	268	int status;
	269	pid_t pid = waitpid(-1, &status, WNOHANG);
	270	if(pid == 0){
102 by Teddy Hogeborn * plugin-runner.c (process): Set "completed" and "status" as volatile.	271	/* Only still running child processes */
24.1.65 by Björn Påhlsson * plugin-runner.c (handle_sigchld): Loop until all exited children	272	break;
	273	}
	274	if(pid == -1){
295 by Teddy Hogeborn * plugin-runner.c (handle_sigchld): Clarify logic.	275	if(errno == ECHILD){
	276	/* No child processes */
	277	break;
24.1.65 by Björn Påhlsson * plugin-runner.c (handle_sigchld): Loop until all exited children	278	}
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	279	error(0, errno, "waitpid");
24.1.65 by Björn Påhlsson * plugin-runner.c (handle_sigchld): Loop until all exited children	280	}
24.1.90 by Björn Påhlsson fixed two bugs:	281
102 by Teddy Hogeborn * plugin-runner.c (process): Set "completed" and "status" as volatile.	282	/* A child exited, find it in process_list */
24.1.65 by Björn Påhlsson * plugin-runner.c (handle_sigchld): Loop until all exited children	283	while(proc != NULL and proc->pid != pid){
	284	proc = proc->next;
	285	}
	286	if(proc == NULL){
	287	/* Process not found in process list */
	288	continue;
	289	}
	290	proc->status = status;
296 by Teddy Hogeborn * plugin-runner.c (struct plugin.completed): Changed type to "volatile	291	proc->completed = 1;
24.1.65 by Björn Påhlsson * plugin-runner.c (handle_sigchld): Loop until all exited children	292	}
298 by Teddy Hogeborn * plugin-runner.c (handle_sigchld): Bug fix: Save and restore "errno".	293	errno = old_errno;
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	294	}
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	295
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	296	/* Prints out a password to stdout */
672 by Teddy Hogeborn Update GCC warning flags and function attributes to GCC 4.7.	297	__attribute__((nonnull, warn_unused_result))
187 by Teddy Hogeborn * debian/mandos-client.README.Debian: Document "eth0" default and how	298	static bool print_out_password(const char *buffer, size_t length){
64 by Teddy Hogeborn * mandos-client.c (print_out_password): Strip trailing '\n'.	299	ssize_t ret;
	300	for(size_t written = 0; written < length; written += (size_t)ret){
24.1.42 by Björn Påhlsson Added fallback to mandos-client	301	ret = TEMP_FAILURE_RETRY(write(STDOUT_FILENO, buffer + written,
	302	length - written));
	303	if(ret < 0){
	304	return false;
	305	}
	306	}
	307	return true;
	308	}
	309
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	310	/* Removes and free a plugin from the plugin list */
534 by teddy at bsnet * plugin-runner.c (add_to_char_array): Added "nonnull" attribute.	311	__attribute__((nonnull))
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	312	static void free_plugin(plugin *plugin_node){
	313
	314	for(char *arg = plugin_node->argv; arg != NULL; arg++){
	315	free(*arg);
	316	}
	317	free(plugin_node->argv);
	318	for(char *env = plugin_node->environ; env != NULL; env++){
	319	free(*env);
	320	}
	321	free(plugin_node->environ);
	322	free(plugin_node->buffer);
312 by Teddy Hogeborn * plugin-runner.c: Whitespace changes only.	323
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	324	/* Removes the plugin from the singly-linked list */
	325	if(plugin_node == plugin_list){
	326	/* First one - simple */
	327	plugin_list = plugin_list->next;
	328	} else {
	329	/* Second one or later */
	330	for(plugin *p = plugin_list; p != NULL; p = p->next){
	331	if(p->next == plugin_node){
	332	p->next = plugin_node->next;
	333	break;
	334	}
	335	}
	336	}
	337
	338	free(plugin_node);
	339	}
	340
	341	static void free_plugin_list(void){
	342	while(plugin_list != NULL){
	343	free_plugin(plugin_list);
98 by Teddy Hogeborn * plugin-runner.c (getplugin): Only copy "name" if not NULL. Free	344	}
24.1.54 by Björn Påhlsson plugin-runner	345	}
24.1.54 by Björn Påhlsson plugin-runner	346
13 by Björn Påhlsson Added following support:	347	int main(int argc, char *argv[]){
24.1.69 by Björn Påhlsson added configfile as a optional argument to plugin-runner	348	char *plugindir = NULL;
	349	char *argfile = NULL;
24.1.51 by Björn Påhlsson Added configuration files support for mandos-client	350	FILE *conffp;
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	351	DIR *dir = NULL;
13 by Björn Påhlsson Added following support:	352	struct dirent *dirst;
13 by Björn Påhlsson Added following support:	353	struct stat st;
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	354	fd_set rfds_all;
311 by Teddy Hogeborn Overflows are not detected by sscanf(), so stop using it:	355	int ret, maxfd = 0;
254 by Teddy Hogeborn Eliminate warning on 64-bit systems, thanks to Frans Pop	356	ssize_t sret;
24.1.6 by Björn Påhlsson plugbasedclient	357	uid_t uid = 65534;
24.1.6 by Björn Påhlsson plugbasedclient	358	gid_t gid = 65534;
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	359	bool debug = false;
	360	int exitstatus = EXIT_SUCCESS;
24.1.7 by Björn Påhlsson merge	361	struct sigaction old_sigchld_action;
	362	struct sigaction sigchld_action = { .sa_handler = handle_sigchld,
	363	.sa_flags = SA_NOCLDSTOP };
24.1.51 by Björn Påhlsson Added configuration files support for mandos-client	364	char **custom_argv = NULL;
	365	int custom_argc = 0;
675 by Teddy Hogeborn Use openat() etc. in plugin-runner. Also one less useless warning.	366	int dir_fd;
24.1.51 by Björn Påhlsson Added configuration files support for mandos-client	367
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	368	/* Establish a signal handler */
	369	sigemptyset(&sigchld_action.sa_mask);
	370	ret = sigaddset(&sigchld_action.sa_mask, SIGCHLD);
24.1.54 by Björn Påhlsson plugin-runner	371	if(ret == -1){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	372	error(0, errno, "sigaddset");
399 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	373	exitstatus = EX_OSERR;
24.1.54 by Björn Påhlsson plugin-runner	374	goto fallback;
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	375	}
	376	ret = sigaction(SIGCHLD, &sigchld_action, &old_sigchld_action);
24.1.54 by Björn Påhlsson plugin-runner	377	if(ret == -1){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	378	error(0, errno, "sigaction");
399 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	379	exitstatus = EX_OSERR;
24.1.54 by Björn Påhlsson plugin-runner	380	goto fallback;
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	381	}
	382
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	383	/* The options we understand. */
	384	struct argp_option options[] = {
	385	{ .name = "global-options", .key = 'g',
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	386	.arg = "OPTION[,OPTION[,...]]",
	387	.doc = "Options passed to all plugins" },
138 by Teddy Hogeborn * plugin-runner.c: Changed short option for "--global-env" to "-G",	388	{ .name = "global-env", .key = 'G',
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	389	.arg = "VAR=value",
	390	.doc = "Environment variable passed to all plugins" },
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	391	{ .name = "options-for", .key = 'o',
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	392	.arg = "PLUGIN:OPTION[,OPTION[,...]]",
	393	.doc = "Options passed only to specified plugin" },
138 by Teddy Hogeborn * plugin-runner.c: Changed short option for "--global-env" to "-G",	394	{ .name = "env-for", .key = 'E',
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	395	.arg = "PLUGIN:ENV=value",
	396	.doc = "Environment variable passed to specified plugin" },
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	397	{ .name = "disable", .key = 'd',
	398	.arg = "PLUGIN",
	399	.doc = "Disable a specific plugin", .group = 1 },
138 by Teddy Hogeborn * plugin-runner.c: Changed short option for "--global-env" to "-G",	400	{ .name = "enable", .key = 'e',
	401	.arg = "PLUGIN",
	402	.doc = "Enable a specific plugin", .group = 1 },
24.1.5 by Björn Påhlsson plugbasedclient:	403	{ .name = "plugin-dir", .key = 128,
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	404	.arg = "DIRECTORY",
	405	.doc = "Specify a different plugin directory", .group = 2 },
24.1.69 by Björn Påhlsson added configfile as a optional argument to plugin-runner	406	{ .name = "config-file", .key = 129,
	407	.arg = "FILE",
	408	.doc = "Specify a different configuration file", .group = 2 },
	409	{ .name = "userid", .key = 130,
	410	.arg = "ID", .flags = 0,
	411	.doc = "User ID the plugins will run as", .group = 3 },
	412	{ .name = "groupid", .key = 131,
	413	.arg = "ID", .flags = 0,
	414	.doc = "Group ID the plugins will run as", .group = 3 },
	415	{ .name = "debug", .key = 132,
	416	.doc = "Debug mode", .group = 4 },
394 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	417	/*
	418	* These reproduce what we would get without ARGP_NO_HELP
	419	*/
	420	{ .name = "help", .key = '?',
	421	.doc = "Give this help list", .group = -1 },
	422	{ .name = "usage", .key = -3,
	423	.doc = "Give a short usage message", .group = -1 },
	424	{ .name = "version", .key = 'V',
	425	.doc = "Print program version", .group = -1 },
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	426	{ .name = NULL }
	427	};
	428
534 by teddy at bsnet * plugin-runner.c (add_to_char_array): Added "nonnull" attribute.	429	__attribute__((nonnull(3)))
394 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	430	error_t parse_opt(int key, char arg, struct argp_state state){
	431	errno = 0;
293 by Teddy Hogeborn * plugin-runner.c: Whitespace changes only.	432	switch(key){
360 by Teddy Hogeborn * plugin-runner.c (main): Move variables "tmpmax" and "tmp" into	433	char *tmp;
536 by Björn Påhlsson renamed some foomax values to what they actually represent	434	intmax_t tmp_id;
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	435	case 'g': /* --global-options */
394 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	436	{
24.1.134 by Björn Påhlsson plugin-runner: Added support for empty string arguments	437	char *plugin_option;
	438	while((plugin_option = strsep(&arg, ",")) != NULL){
	439	if(not add_argument(getplugin(NULL), plugin_option)){
394 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	440	break;
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	441	}
	442	}
672 by Teddy Hogeborn Update GCC warning flags and function attributes to GCC 4.7.	443	errno = 0;
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	444	}
	445	break;
138 by Teddy Hogeborn * plugin-runner.c: Changed short option for "--global-env" to "-G",	446	case 'G': /* --global-env */
672 by Teddy Hogeborn Update GCC warning flags and function attributes to GCC 4.7.	447	if(add_environment(getplugin(NULL), arg, true)){
	448	errno = 0;
	449	}
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	450	break;
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	451	case 'o': /* --options-for */
394 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	452	{
	453	char *option_list = strchr(arg, ':');
	454	if(option_list == NULL){
	455	argp_error(state, "No colon in \"%s\"", arg);
	456	errno = EINVAL;
	457	break;
	458	}
	459	*option_list = '\0';
	460	option_list++;
	461	if(arg[0] == '\0'){
	462	argp_error(state, "Empty plugin name");
	463	errno = EINVAL;
	464	break;
	465	}
	466	char *option;
	467	while((option = strsep(&option_list, ",")) != NULL){
	468	if(not add_argument(getplugin(arg), option)){
	469	break;
24.1.50 by Björn Påhlsson changed from using strtok to strsep	470	}
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	471	}
672 by Teddy Hogeborn Update GCC warning flags and function attributes to GCC 4.7.	472	errno = 0;
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	473	}
	474	break;
138 by Teddy Hogeborn * plugin-runner.c: Changed short option for "--global-env" to "-G",	475	case 'E': /* --env-for */
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	476	{
	477	char *envdef = strchr(arg, ':');
	478	if(envdef == NULL){
394 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	479	argp_error(state, "No colon in \"%s\"", arg);
	480	errno = EINVAL;
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	481	break;
	482	}
24.1.92 by Björn Påhlsson Several memory leaks detected by valgrind fixed	483	*envdef = '\0';
394 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	484	envdef++;
	485	if(arg[0] == '\0'){
	486	argp_error(state, "Empty plugin name");
	487	errno = EINVAL;
	488	break;
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	489	}
672 by Teddy Hogeborn Update GCC warning flags and function attributes to GCC 4.7.	490	if(add_environment(getplugin(arg), envdef, true)){
	491	errno = 0;
	492	}
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	493	}
	494	break;
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	495	case 'd': /* --disable */
394 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	496	{
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	497	plugin *p = getplugin(arg);
394 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	498	if(p != NULL){
	499	p->disabled = true;
672 by Teddy Hogeborn Update GCC warning flags and function attributes to GCC 4.7.	500	errno = 0;
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	501	}
24.1.5 by Björn Påhlsson plugbasedclient:	502	}
24.1.5 by Björn Påhlsson plugbasedclient:	503	break;
138 by Teddy Hogeborn * plugin-runner.c: Changed short option for "--global-env" to "-G",	504	case 'e': /* --enable */
394 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	505	{
138 by Teddy Hogeborn * plugin-runner.c: Changed short option for "--global-env" to "-G",	506	plugin *p = getplugin(arg);
394 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	507	if(p != NULL){
	508	p->disabled = false;
672 by Teddy Hogeborn Update GCC warning flags and function attributes to GCC 4.7.	509	errno = 0;
138 by Teddy Hogeborn * plugin-runner.c: Changed short option for "--global-env" to "-G",	510	}
	511	}
	512	break;
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	513	case 128: /* --plugin-dir */
24.1.92 by Björn Påhlsson Several memory leaks detected by valgrind fixed	514	free(plugindir);
24.1.69 by Björn Påhlsson added configfile as a optional argument to plugin-runner	515	plugindir = strdup(arg);
672 by Teddy Hogeborn Update GCC warning flags and function attributes to GCC 4.7.	516	if(plugindir != NULL){
	517	errno = 0;
	518	}
24.1.5 by Björn Påhlsson plugbasedclient:	519	break;
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	520	case 129: /* --config-file */
137 by Teddy Hogeborn * plugin-runner.c (main/parse_opt): Removed code for "--config-file".	521	/* This is already done by parse_opt_config_file() */
	522	break;
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	523	case 130: /* --userid */
536 by Björn Påhlsson renamed some foomax values to what they actually represent	524	tmp_id = strtoimax(arg, &tmp, 10);
311 by Teddy Hogeborn Overflows are not detected by sscanf(), so stop using it:	525	if(errno != 0 or tmp == arg or *tmp != '\0'
536 by Björn Påhlsson renamed some foomax values to what they actually represent	526	or tmp_id != (uid_t)tmp_id){
394 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	527	argp_error(state, "Bad user ID number: \"%s\", using %"
	528	PRIdMAX, arg, (intmax_t)uid);
	529	break;
264 by Teddy Hogeborn * plugin-runner.c (main): Use "sscanf" instead of "strtol"; using the	530	}
536 by Björn Påhlsson renamed some foomax values to what they actually represent	531	uid = (uid_t)tmp_id;
672 by Teddy Hogeborn Update GCC warning flags and function attributes to GCC 4.7.	532	errno = 0;
24.1.6 by Björn Påhlsson plugbasedclient	533	break;
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	534	case 131: /* --groupid */
536 by Björn Påhlsson renamed some foomax values to what they actually represent	535	tmp_id = strtoimax(arg, &tmp, 10);
311 by Teddy Hogeborn Overflows are not detected by sscanf(), so stop using it:	536	if(errno != 0 or tmp == arg or *tmp != '\0'
536 by Björn Påhlsson renamed some foomax values to what they actually represent	537	or tmp_id != (gid_t)tmp_id){
394 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	538	argp_error(state, "Bad group ID number: \"%s\", using %"
	539	PRIdMAX, arg, (intmax_t)gid);
	540	break;
264 by Teddy Hogeborn * plugin-runner.c (main): Use "sscanf" instead of "strtol"; using the	541	}
536 by Björn Påhlsson renamed some foomax values to what they actually represent	542	gid = (gid_t)tmp_id;
672 by Teddy Hogeborn Update GCC warning flags and function attributes to GCC 4.7.	543	errno = 0;
24.1.6 by Björn Påhlsson plugbasedclient	544	break;
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	545	case 132: /* --debug */
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	546	debug = true;
	547	break;
394 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	548	/*
	549	* These reproduce what we would get without ARGP_NO_HELP
	550	*/
	551	case '?': /* --help */
	552	state->flags &= ~(unsigned int)ARGP_NO_EXIT; /* force exit */
	553	argp_state_help(state, state->out_stream, ARGP_HELP_STD_HELP);
	554	case -3: /* --usage */
	555	state->flags &= ~(unsigned int)ARGP_NO_EXIT; /* force exit */
	556	argp_state_help(state, state->out_stream,
	557	ARGP_HELP_USAGE \| ARGP_HELP_EXIT_OK);
	558	case 'V': /* --version */
	559	fprintf(state->out_stream, "%s\n", argp_program_version);
	560	exit(EXIT_SUCCESS);
	561	break;
264 by Teddy Hogeborn * plugin-runner.c (main): Use "sscanf" instead of "strtol"; using the	562	/*
	563	* When adding more options before this line, remember to also add a
	564	* "case" to the "parse_opt_config_file" function below.
	565	*/
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	566	case ARGP_KEY_ARG:
178 by Teddy Hogeborn * initramfs-tools-script: Fix permissions of "/tmp" in initrd.	567	/* Cryptsetup always passes an argument, which is an empty
	568	string if "none" was specified in /etc/crypttab. So if
	569	argument was empty, we ignore it silently. */
394 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	570	if(arg[0] == '\0'){
	571	break;
178 by Teddy Hogeborn * initramfs-tools-script: Fix permissions of "/tmp" in initrd.	572	}
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	573	default:
	574	return ARGP_ERR_UNKNOWN;
	575	}
394 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	576	return errno; /* Set to 0 at start */
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	577	}
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	578
137 by Teddy Hogeborn * plugin-runner.c (main/parse_opt): Removed code for "--config-file".	579	/* This option parser is the same as parse_opt() above, except it
	580	ignores everything but the --config-file option. */
266 by Teddy Hogeborn * plugin-runner.c: Only space changes.	581	error_t parse_opt_config_file(int key, char *arg,
	582	__attribute__((unused))
293 by Teddy Hogeborn * plugin-runner.c: Whitespace changes only.	583	struct argp_state *state){
394 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	584	errno = 0;
293 by Teddy Hogeborn * plugin-runner.c: Whitespace changes only.	585	switch(key){
137 by Teddy Hogeborn * plugin-runner.c (main/parse_opt): Removed code for "--config-file".	586	case 'g': /* --global-options */
138 by Teddy Hogeborn * plugin-runner.c: Changed short option for "--global-env" to "-G",	587	case 'G': /* --global-env */
137 by Teddy Hogeborn * plugin-runner.c (main/parse_opt): Removed code for "--config-file".	588	case 'o': /* --options-for */
138 by Teddy Hogeborn * plugin-runner.c: Changed short option for "--global-env" to "-G",	589	case 'E': /* --env-for */
137 by Teddy Hogeborn * plugin-runner.c (main/parse_opt): Removed code for "--config-file".	590	case 'd': /* --disable */
138 by Teddy Hogeborn * plugin-runner.c: Changed short option for "--global-env" to "-G",	591	case 'e': /* --enable */
137 by Teddy Hogeborn * plugin-runner.c (main/parse_opt): Removed code for "--config-file".	592	case 128: /* --plugin-dir */
	593	break;
	594	case 129: /* --config-file */
24.1.92 by Björn Påhlsson Several memory leaks detected by valgrind fixed	595	free(argfile);
137 by Teddy Hogeborn * plugin-runner.c (main/parse_opt): Removed code for "--config-file".	596	argfile = strdup(arg);
672 by Teddy Hogeborn Update GCC warning flags and function attributes to GCC 4.7.	597	if(argfile != NULL){
	598	errno = 0;
	599	}
355 by Teddy Hogeborn * mandos: White-space fixes only.	600	break;
137 by Teddy Hogeborn * plugin-runner.c (main/parse_opt): Removed code for "--config-file".	601	case 130: /* --userid */
	602	case 131: /* --groupid */
	603	case 132: /* --debug */
394 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	604	case '?': /* --help */
	605	case -3: /* --usage */
	606	case 'V': /* --version */
137 by Teddy Hogeborn * plugin-runner.c (main/parse_opt): Removed code for "--config-file".	607	case ARGP_KEY_ARG:
	608	break;
	609	default:
	610	return ARGP_ERR_UNKNOWN;
	611	}
394 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	612	return errno;
137 by Teddy Hogeborn * plugin-runner.c (main/parse_opt): Removed code for "--config-file".	613	}
	614
	615	struct argp argp = { .options = options,
	616	.parser = parse_opt_config_file,
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	617	.args_doc = "",
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	618	.doc = "Mandos plugin runner -- Run plugins" };
	619
265 by Teddy Hogeborn * plugin-runner.c (main): Bug fix; do not accept a "d" character after	620	/* 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".	621	config file location, if any. */
394 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	622	ret = argp_parse(&argp, argc, argv,
	623	ARGP_IN_ORDER \| ARGP_NO_EXIT \| ARGP_NO_HELP,
	624	NULL, NULL);
	625	switch(ret){
	626	case 0:
	627	break;
	628	case ENOMEM:
	629	default:
	630	errno = ret;
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	631	error(0, errno, "argp_parse");
394 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	632	exitstatus = EX_OSERR;
	633	goto fallback;
	634	case EINVAL:
	635	exitstatus = EX_USAGE;
137 by Teddy Hogeborn * plugin-runner.c (main/parse_opt): Removed code for "--config-file".	636	goto fallback;
	637	}
	638
	639	/* Reset to the normal argument parser */
	640	argp.parser = parse_opt;
	641
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	642	/* Open the configfile if available */
266 by Teddy Hogeborn * plugin-runner.c: Only space changes.	643	if(argfile == NULL){
24.1.69 by Björn Påhlsson added configfile as a optional argument to plugin-runner	644	conffp = fopen(AFILE, "r");
	645	} else {
	646	conffp = fopen(argfile, "r");
355 by Teddy Hogeborn * mandos: White-space fixes only.	647	}
24.1.51 by Björn Påhlsson Added configuration files support for mandos-client	648	if(conffp != NULL){
	649	char *org_line = NULL;
24.1.54 by Björn Påhlsson plugin-runner	650	char p, arg, new_arg, line;
24.1.51 by Björn Påhlsson Added configuration files support for mandos-client	651	size_t size = 0;
	652	const char whitespace_delims[] = " \r\t\f\v\n";
	653	const char comment_delim[] = "#";
312 by Teddy Hogeborn * plugin-runner.c: Whitespace changes only.	654
24.1.67 by Björn Påhlsson transformed a function to a part of main	655	custom_argc = 1;
	656	custom_argv = malloc(sizeof(char) 2);
	657	if(custom_argv == NULL){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	658	error(0, errno, "malloc");
399 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	659	exitstatus = EX_OSERR;
24.1.67 by Björn Påhlsson transformed a function to a part of main	660	goto fallback;
	661	}
	662	custom_argv[0] = argv[0];
	663	custom_argv[1] = NULL;
312 by Teddy Hogeborn * plugin-runner.c: Whitespace changes only.	664
133 by Teddy Hogeborn * plugin-runner.c: Break a couple of long lines.	665	/* for each line in the config file, strip whitespace and ignore
	666	commented text */
24.1.51 by Björn Påhlsson Added configuration files support for mandos-client	667	while(true){
	668	sret = getline(&org_line, &size, conffp);
	669	if(sret == -1){
	670	break;
	671	}
312 by Teddy Hogeborn * plugin-runner.c: Whitespace changes only.	672
24.1.51 by Björn Påhlsson Added configuration files support for mandos-client	673	line = org_line;
	674	arg = strsep(&line, comment_delim);
	675	while((p = strsep(&arg, whitespace_delims)) != NULL){
	676	if(p[0] == '\0'){
	677	continue;
	678	}
	679	new_arg = strdup(p);
24.1.69 by Björn Påhlsson added configfile as a optional argument to plugin-runner	680	if(new_arg == NULL){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	681	error(0, errno, "strdup");
399 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	682	exitstatus = EX_OSERR;
24.1.69 by Björn Påhlsson added configfile as a optional argument to plugin-runner	683	free(org_line);
	684	goto fallback;
	685	}
	686
24.1.67 by Björn Påhlsson transformed a function to a part of main	687	custom_argc += 1;
666 by Teddy Hogeborn Bug fix: Free all memory and give better messages when memory is full.	688	{
	689	char *new_argv = realloc(custom_argv, sizeof(char )
	690	* ((unsigned int)
	691	custom_argc + 1));
	692	if(new_argv == NULL){
	693	error(0, errno, "realloc");
	694	exitstatus = EX_OSERR;
	695	free(new_arg);
	696	free(org_line);
	697	goto fallback;
	698	} else {
	699	custom_argv = new_argv;
	700	}
24.1.51 by Björn Påhlsson Added configuration files support for mandos-client	701	}
24.1.67 by Björn Påhlsson transformed a function to a part of main	702	custom_argv[custom_argc-1] = new_arg;
355 by Teddy Hogeborn * mandos: White-space fixes only.	703	custom_argv[custom_argc] = NULL;
24.1.51 by Björn Påhlsson Added configuration files support for mandos-client	704	}
	705	}
363 by Teddy Hogeborn * plugin-runner.c: Minor stylistic changes.	706	do {
359 by Teddy Hogeborn * plugins-runner.c (main): Bug fix: Close config file.	707	ret = fclose(conffp);
363 by Teddy Hogeborn * plugin-runner.c: Minor stylistic changes.	708	} while(ret == EOF and errno == EINTR);
359 by Teddy Hogeborn * plugins-runner.c (main): Bug fix: Close config file.	709	if(ret == EOF){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	710	error(0, errno, "fclose");
399 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	711	exitstatus = EX_IOERR;
359 by Teddy Hogeborn * plugins-runner.c (main): Bug fix: Close config file.	712	goto fallback;
	713	}
24.1.51 by Björn Påhlsson Added configuration files support for mandos-client	714	free(org_line);
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	715	} else {
24.1.52 by Björn Påhlsson merge + minor adjustments	716	/* Check for harmful errors and go to fallback. Other errors might
24.1.52 by Björn Påhlsson merge + minor adjustments	717	not affect opening plugins */
266 by Teddy Hogeborn * plugin-runner.c: Only space changes.	718	if(errno == EMFILE or errno == ENFILE or errno == ENOMEM){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	719	error(0, errno, "fopen");
402 by Teddy Hogeborn * mandos (Client.disable): Rename keyword argument "log" to "quiet",	720	exitstatus = EX_OSERR;
24.1.54 by Björn Påhlsson plugin-runner	721	goto fallback;
24.1.8 by Björn Påhlsson plugbasedclient	722	}
24.1.51 by Björn Påhlsson Added configuration files support for mandos-client	723	}
394 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	724	/* If there were any arguments from the configuration file, pass
	725	them to parser as command line arguments */
24.1.51 by Björn Påhlsson Added configuration files support for mandos-client	726	if(custom_argv != NULL){
394 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	727	ret = argp_parse(&argp, custom_argc, custom_argv,
	728	ARGP_IN_ORDER \| ARGP_NO_EXIT \| ARGP_NO_HELP,
	729	NULL, NULL);
	730	switch(ret){
	731	case 0:
	732	break;
	733	case ENOMEM:
	734	default:
	735	errno = ret;
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	736	error(0, errno, "argp_parse");
394 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	737	exitstatus = EX_OSERR;
	738	goto fallback;
	739	case EINVAL:
	740	exitstatus = EX_CONFIG;
24.1.54 by Björn Påhlsson plugin-runner	741	goto fallback;
24.1.26 by Björn Påhlsson tally count of used symbols	742	}
24.1.8 by Björn Påhlsson plugbasedclient	743	}
24.1.8 by Björn Påhlsson plugbasedclient	744
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	745	/* Parse actual command line arguments, to let them override the
	746	config file */
394 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	747	ret = argp_parse(&argp, argc, argv,
	748	ARGP_IN_ORDER \| ARGP_NO_EXIT \| ARGP_NO_HELP,
	749	NULL, NULL);
	750	switch(ret){
	751	case 0:
	752	break;
	753	case ENOMEM:
	754	default:
	755	errno = ret;
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	756	error(0, errno, "argp_parse");
394 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	757	exitstatus = EX_OSERR;
	758	goto fallback;
	759	case EINVAL:
	760	exitstatus = EX_USAGE;
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	761	goto fallback;
	762	}
	763
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	764	if(debug){
	765	for(plugin *p = plugin_list; p != NULL; p=p->next){
	766	fprintf(stderr, "Plugin: %s has %d arguments\n",
32 by Teddy Hogeborn * plugins.d/plugbasedclient.c (set_cloexec_flag): New function.	767	p->name ? p->name : "Global", p->argc - 1);
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	768	for(char *a = p->argv; a != NULL; a++){
	769	fprintf(stderr, "\tArg: %s\n", *a);
	770	}
268 by Teddy Hogeborn Fixes for sscanf usage:	771	fprintf(stderr, "...and %d environment variables\n", p->envc);
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	772	for(char *a = p->environ; a != NULL; a++){
	773	fprintf(stderr, "\t%s\n", *a);
	774	}
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	775	}
	776	}
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	777
505.3.11 by Teddy Hogeborn * Makefile (run-client): Add "--network-hook-dir" option.	778	if(getuid() == 0){
487 by Teddy Hogeborn * initramfs-tools-script: Abort if plugin-runner is missing. Removed	779	/* Work around Debian bug #633582:
	780	<http://bugs.debian.org/633582> */
	781	int plugindir_fd = open(/* plugindir or */ PDIR, O_RDONLY);
	782	if(plugindir_fd == -1){
675 by Teddy Hogeborn Use openat() etc. in plugin-runner. Also one less useless warning.	783	if(errno != ENOENT){
	784	error(0, errno, "open(\"" PDIR "\")");
	785	}
487 by Teddy Hogeborn * initramfs-tools-script: Abort if plugin-runner is missing. Removed	786	} else {
	787	ret = (int)TEMP_FAILURE_RETRY(fstat(plugindir_fd, &st));
	788	if(ret == -1){
	789	error(0, errno, "fstat");
	790	} else {
	791	if(S_ISDIR(st.st_mode) and st.st_uid == 0 and st.st_gid == 0){
	792	ret = fchown(plugindir_fd, uid, gid);
	793	if(ret == -1){
	794	error(0, errno, "fchown");
	795	}
	796	}
	797	}
	798	TEMP_FAILURE_RETRY(close(plugindir_fd));
	799	}
	800	}
	801
	802	/* Lower permissions */
620 by Teddy Hogeborn * plugin-runner.c (main): Bug fix; do not ignore return value of	803	ret = setgid(gid);
299 by Teddy Hogeborn * plugin-runner.c (main): Bug fix: Do setgid before setuid.	804	if(ret == -1){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	805	error(0, errno, "setgid");
299 by Teddy Hogeborn * plugin-runner.c (main): Bug fix: Do setgid before setuid.	806	}
24.1.6 by Björn Påhlsson plugbasedclient	807	ret = setuid(uid);
266 by Teddy Hogeborn * plugin-runner.c: Only space changes.	808	if(ret == -1){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	809	error(0, errno, "setuid");
24.1.6 by Björn Påhlsson plugbasedclient	810	}
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	811
384 by Teddy Hogeborn * plugin-runner.c (main): Use the O_CLOEXEC flag, if available, when	812	/* Open plugin directory with close_on_exec flag */
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	813	{
675 by Teddy Hogeborn Use openat() etc. in plugin-runner. Also one less useless warning.	814	dir_fd = open(plugindir != NULL ? plugindir : PDIR, O_RDONLY \|
	815	#ifdef O_CLOEXEC
	816	O_CLOEXEC
	817	#else /* not O_CLOEXEC */
	818	0
	819	#endif /* not O_CLOEXEC */
	820	);
384 by Teddy Hogeborn * plugin-runner.c (main): Use the O_CLOEXEC flag, if available, when	821	if(dir_fd == -1){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	822	error(0, errno, "Could not open plugin dir");
399 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	823	exitstatus = EX_UNAVAILABLE;
384 by Teddy Hogeborn * plugin-runner.c (main): Use the O_CLOEXEC flag, if available, when	824	goto fallback;
	825	}
	826
	827	#ifndef O_CLOEXEC
	828	/* Set the FD_CLOEXEC flag on the directory */
	829	ret = set_cloexec_flag(dir_fd);
	830	if(ret < 0){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	831	error(0, errno, "set_cloexec_flag");
384 by Teddy Hogeborn * plugin-runner.c (main): Use the O_CLOEXEC flag, if available, when	832	TEMP_FAILURE_RETRY(close(dir_fd));
399 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	833	exitstatus = EX_OSERR;
384 by Teddy Hogeborn * plugin-runner.c (main): Use the O_CLOEXEC flag, if available, when	834	goto fallback;
	835	}
	836	#endif /* O_CLOEXEC */
	837
	838	dir = fdopendir(dir_fd);
	839	if(dir == NULL){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	840	error(0, errno, "Could not open plugin dir");
384 by Teddy Hogeborn * plugin-runner.c (main): Use the O_CLOEXEC flag, if available, when	841	TEMP_FAILURE_RETRY(close(dir_fd));
399 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	842	exitstatus = EX_OSERR;
384 by Teddy Hogeborn * plugin-runner.c (main): Use the O_CLOEXEC flag, if available, when	843	goto fallback;
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	844	}
	845	}
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	846
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	847	FD_ZERO(&rfds_all);
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	848
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	849	/* Read and execute any executable in the plugin directory*/
13 by Björn Påhlsson Added following support:	850	while(true){
363 by Teddy Hogeborn * plugin-runner.c: Minor stylistic changes.	851	do {
362 by Teddy Hogeborn * plugin-runner.c (getplugin, add_environment, main): Handle EINTR	852	dirst = readdir(dir);
363 by Teddy Hogeborn * plugin-runner.c: Minor stylistic changes.	853	} while(dirst == NULL and errno == EINTR);
13 by Björn Påhlsson Added following support:	854
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	855	/* All directory entries have been processed */
13 by Björn Påhlsson Added following support:	856	if(dirst == NULL){
266 by Teddy Hogeborn * plugin-runner.c: Only space changes.	857	if(errno == EBADF){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	858	error(0, errno, "readdir");
399 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	859	exitstatus = EX_IOERR;
24.1.54 by Björn Påhlsson plugin-runner	860	goto fallback;
24.1.26 by Björn Påhlsson tally count of used symbols	861	}
13 by Björn Påhlsson Added following support:	862	break;
	863	}
	864
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	865	/* Ignore dotfiles, backup files and other junk */
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	866	{
	867	bool bad_name = false;
676 by Teddy Hogeborn Use fnmatch()in plugin-runner.	868	const char * const patterns[] = { ".", "##", "*~",
	869	".dpkg-new", ".dpkg-old",
	870	".dpkg-bak", ".dpkg-divert",
	871	NULL };
	872	#ifdef __GNUC__
	873	#pragma GCC diagnostic push
	874	#pragma GCC diagnostic ignored "-Wcast-qual"
	875	#endif
	876	for(const char pat = (const char )patterns;
	877	*pat != NULL; pat++){
	878	#ifdef __GNUC__
	879	#pragma GCC diagnostic pop
	880	#endif
	881	if(fnmatch(*pat, dirst->d_name,
	882	FNM_FILE_NAME \| FNM_PERIOD) != FNM_NOMATCH){
	883	if(debug){
	884	fprintf(stderr, "Ignoring plugin dir entry \"%s\""
	885	" matching pattern %s\n", dirst->d_name, *pat);
	886	}
	887	bad_name = true;
	888	break;
	889	}
	890	}
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	891	if(bad_name){
	892	continue;
	893	}
13 by Björn Påhlsson Added following support:	894	}
312 by Teddy Hogeborn * plugin-runner.c: Whitespace changes only.	895
675 by Teddy Hogeborn Use openat() etc. in plugin-runner. Also one less useless warning.	896	int plugin_fd = openat(dir_fd, dirst->d_name, O_RDONLY \|
	897	#ifdef O_CLOEXEC
	898	O_CLOEXEC
	899	#else /* not O_CLOEXEC */
	900	0
	901	#endif /* not O_CLOEXEC */
	902	);
	903	if(plugin_fd == -1){
	904	error(0, errno, "Could not open plugin");
	905	continue;
169 by Teddy Hogeborn * plugin-runner.c (main): Bug fix: use built-in default value if	906	}
675 by Teddy Hogeborn Use openat() etc. in plugin-runner. Also one less useless warning.	907	#ifndef O_CLOEXEC
	908	/* Set the FD_CLOEXEC flag on the plugin FD */
	909	ret = set_cloexec_flag(plugin_fd);
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	910	if(ret < 0){
675 by Teddy Hogeborn Use openat() etc. in plugin-runner. Also one less useless warning.	911	error(0, errno, "set_cloexec_flag");
	912	TEMP_FAILURE_RETRY(close(plugin_fd));
24.1.46 by Björn Påhlsson mandos-client	913	continue;
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	914	}
675 by Teddy Hogeborn Use openat() etc. in plugin-runner. Also one less useless warning.	915	#endif /* O_CLOEXEC */
	916	ret = (int)TEMP_FAILURE_RETRY(fstat(plugin_fd, &st));
266 by Teddy Hogeborn * plugin-runner.c: Only space changes.	917	if(ret == -1){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	918	error(0, errno, "stat");
675 by Teddy Hogeborn Use openat() etc. in plugin-runner. Also one less useless warning.	919	TEMP_FAILURE_RETRY(close(plugin_fd));
24.1.46 by Björn Påhlsson mandos-client	920	continue;
24.1.26 by Björn Påhlsson tally count of used symbols	921	}
312 by Teddy Hogeborn * plugin-runner.c: Whitespace changes only.	922
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	923	/* Ignore non-executable files */
362 by Teddy Hogeborn * plugin-runner.c (getplugin, add_environment, main): Handle EINTR	924	if(not S_ISREG(st.st_mode)
675 by Teddy Hogeborn Use openat() etc. in plugin-runner. Also one less useless warning.	925	or (TEMP_FAILURE_RETRY(faccessat(dir_fd, dirst->d_name, X_OK,
	926	0)) != 0)){
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	927	if(debug){
675 by Teddy Hogeborn Use openat() etc. in plugin-runner. Also one less useless warning.	928	fprintf(stderr, "Ignoring plugin dir entry \"%s/%s\""
	929	" with bad type or mode\n",
	930	plugindir != NULL ? plugindir : PDIR, dirst->d_name);
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	931	}
675 by Teddy Hogeborn Use openat() etc. in plugin-runner. Also one less useless warning.	932	TEMP_FAILURE_RETRY(close(plugin_fd));
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	933	continue;
	934	}
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	935
	936	plugin *p = getplugin(dirst->d_name);
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	937	if(p == NULL){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	938	error(0, errno, "getplugin");
675 by Teddy Hogeborn Use openat() etc. in plugin-runner. Also one less useless warning.	939	TEMP_FAILURE_RETRY(close(plugin_fd));
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	940	continue;
	941	}
	942	if(p->disabled){
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	943	if(debug){
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	944	fprintf(stderr, "Ignoring disabled plugin \"%s\"\n",
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	945	dirst->d_name);
	946	}
675 by Teddy Hogeborn Use openat() etc. in plugin-runner. Also one less useless warning.	947	TEMP_FAILURE_RETRY(close(plugin_fd));
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	948	continue;
	949	}
32 by Teddy Hogeborn * plugins.d/plugbasedclient.c (set_cloexec_flag): New function.	950	{
	951	/* Add global arguments to argument list for this plugin */
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	952	plugin *g = getplugin(NULL);
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	953	if(g != NULL){
	954	for(char *a = g->argv + 1; a != NULL; a++){
	955	if(not add_argument(p, *a)){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	956	error(0, errno, "add_argument");
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	957	}
	958	}
	959	/* Add global environment variables */
	960	for(char *e = g->environ; e != NULL; e++){
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	961	if(not add_environment(p, *e, false)){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	962	error(0, errno, "add_environment");
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	963	}
	964	}
	965	}
	966	}
675 by Teddy Hogeborn Use openat() etc. in plugin-runner. Also one less useless warning.	967	/* If this plugin has any environment variables, we need to
	968	duplicate the environment from this process, too. */
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	969	if(p->environ[0] != NULL){
	970	for(char *e = environ; e != NULL; e++){
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	971	if(not add_environment(p, *e, false)){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	972	error(0, errno, "add_environment");
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	973	}
	974	}
	975	}
	976
98 by Teddy Hogeborn * plugin-runner.c (getplugin): Only copy "name" if not NULL. Free	977	int pipefd[2];
367 by Teddy Hogeborn * init.d-mandos: Bug fix: Correct the LSB header.	978	ret = (int)TEMP_FAILURE_RETRY(pipe(pipefd));
266 by Teddy Hogeborn * plugin-runner.c: Only space changes.	979	if(ret == -1){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	980	error(0, errno, "pipe");
399 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	981	exitstatus = EX_OSERR;
24.1.54 by Björn Påhlsson plugin-runner	982	goto fallback;
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	983	}
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	984	/* Ask OS to automatic close the pipe on exec */
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	985	ret = set_cloexec_flag(pipefd[0]);
	986	if(ret < 0){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	987	error(0, errno, "set_cloexec_flag");
399 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	988	exitstatus = EX_OSERR;
24.1.54 by Björn Påhlsson plugin-runner	989	goto fallback;
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	990	}
	991	ret = set_cloexec_flag(pipefd[1]);
	992	if(ret < 0){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	993	error(0, errno, "set_cloexec_flag");
399 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	994	exitstatus = EX_OSERR;
24.1.54 by Björn Påhlsson plugin-runner	995	goto fallback;
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	996	}
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	997	/* Block SIGCHLD until process is safely in process list */
367 by Teddy Hogeborn * init.d-mandos: Bug fix: Correct the LSB header.	998	ret = (int)TEMP_FAILURE_RETRY(sigprocmask(SIG_BLOCK,
	999	&sigchld_action.sa_mask,
	1000	NULL));
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1001	if(ret < 0){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	1002	error(0, errno, "sigprocmask");
399 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	1003	exitstatus = EX_OSERR;
24.1.54 by Björn Påhlsson plugin-runner	1004	goto fallback;
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1005	}
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	1006	/* Starting a new process to be watched */
362 by Teddy Hogeborn * plugin-runner.c (getplugin, add_environment, main): Handle EINTR	1007	pid_t pid;
363 by Teddy Hogeborn * plugin-runner.c: Minor stylistic changes.	1008	do {
362 by Teddy Hogeborn * plugin-runner.c (getplugin, add_environment, main): Handle EINTR	1009	pid = fork();
363 by Teddy Hogeborn * plugin-runner.c: Minor stylistic changes.	1010	} while(pid == -1 and errno == EINTR);
24.1.46 by Björn Påhlsson mandos-client	1011	if(pid == -1){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	1012	error(0, errno, "fork");
399 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	1013	exitstatus = EX_OSERR;
24.1.54 by Björn Påhlsson plugin-runner	1014	goto fallback;
24.1.46 by Björn Påhlsson mandos-client	1015	}
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	1016	if(pid == 0){
	1017	/* this is the child process */
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1018	ret = sigaction(SIGCHLD, &old_sigchld_action, NULL);
	1019	if(ret < 0){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	1020	error(0, errno, "sigaction");
399 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	1021	_exit(EX_OSERR);
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1022	}
210 by Teddy Hogeborn * debian/mandos-client.postinst: Change home directory to	1023	ret = sigprocmask(SIG_UNBLOCK, &sigchld_action.sa_mask, NULL);
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1024	if(ret < 0){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	1025	error(0, errno, "sigprocmask");
399 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	1026	_exit(EX_OSERR);
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1027	}
210 by Teddy Hogeborn * debian/mandos-client.postinst: Change home directory to	1028
24.1.26 by Björn Påhlsson tally count of used symbols	1029	ret = dup2(pipefd[1], STDOUT_FILENO); /* replace our stdout */
24.1.26 by Björn Påhlsson tally count of used symbols	1030	if(ret == -1){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	1031	error(0, errno, "dup2");
399 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	1032	_exit(EX_OSERR);
24.1.26 by Björn Påhlsson tally count of used symbols	1033	}
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	1034
	1035	if(dirfd(dir) < 0){
	1036	/* If dir has no file descriptor, we could not set FD_CLOEXEC
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1037	above and must now close it manually here. */
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	1038	closedir(dir);
33 by Teddy Hogeborn * plugins.d/plugbasedclient.c (main): Close the pipe fd after dup2:ing	1039	}
675 by Teddy Hogeborn Use openat() etc. in plugin-runner. Also one less useless warning.	1040	if(fexecve(plugin_fd, p->argv,
674 by Teddy Hogeborn Improve error message when working around Debian bug #633582.	1041	(p->environ[0] != NULL) ? p->environ : environ) < 0){
675 by Teddy Hogeborn Use openat() etc. in plugin-runner. Also one less useless warning.	1042	error(0, errno, "fexecve for %s/%s",
	1043	plugindir != NULL ? plugindir : PDIR, dirst->d_name);
674 by Teddy Hogeborn Improve error message when working around Debian bug #633582.	1044	_exit(EX_OSERR);
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	1045	}
	1046	/* no return */
	1047	}
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	1048	/* Parent process */
362 by Teddy Hogeborn * plugin-runner.c (getplugin, add_environment, main): Handle EINTR	1049	TEMP_FAILURE_RETRY(close(pipefd[1])); /* Close unused write end of
	1050	pipe */
675 by Teddy Hogeborn Use openat() etc. in plugin-runner. Also one less useless warning.	1051	TEMP_FAILURE_RETRY(close(plugin_fd));
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	1052	plugin *new_plugin = getplugin(dirst->d_name);
266 by Teddy Hogeborn * plugin-runner.c: Only space changes.	1053	if(new_plugin == NULL){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	1054	error(0, errno, "getplugin");
367 by Teddy Hogeborn * init.d-mandos: Bug fix: Correct the LSB header.	1055	ret = (int)(TEMP_FAILURE_RETRY
	1056	(sigprocmask(SIG_UNBLOCK, &sigchld_action.sa_mask,
	1057	NULL)));
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1058	if(ret < 0){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	1059	error(0, errno, "sigprocmask");
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1060	}
399 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	1061	exitstatus = EX_OSERR;
24.1.54 by Björn Påhlsson plugin-runner	1062	goto fallback;
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	1063	}
	1064
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	1065	new_plugin->pid = pid;
	1066	new_plugin->fd = pipefd[0];
	1067
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1068	/* Unblock SIGCHLD so signal handler can be run if this process
	1069	has already completed */
367 by Teddy Hogeborn * init.d-mandos: Bug fix: Correct the LSB header.	1070	ret = (int)TEMP_FAILURE_RETRY(sigprocmask(SIG_UNBLOCK,
	1071	&sigchld_action.sa_mask,
	1072	NULL));
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1073	if(ret < 0){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	1074	error(0, errno, "sigprocmask");
399 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	1075	exitstatus = EX_OSERR;
24.1.54 by Björn Påhlsson plugin-runner	1076	goto fallback;
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1077	}
	1078
646 by Teddy Hogeborn Suppress spurious warnings when needed.	1079	#if defined (__GNUC__) and defined (__GLIBC__)
	1080	#if not __GLIBC_PREREQ(2, 16)
	1081	#pragma GCC diagnostic push
	1082	#pragma GCC diagnostic ignored "-Wsign-conversion"
	1083	#endif
	1084	#endif
378 by Teddy Hogeborn * mandos (MandosServer): Fixed doc string.	1085	FD_SET(new_plugin->fd, &rfds_all); /* Spurious warning from
646 by Teddy Hogeborn Suppress spurious warnings when needed.	1086	-Wconversion in GNU libc
	1087	before 2.16 */
	1088	#if defined (__GNUC__) and defined (__GLIBC__)
	1089	#if not __GLIBC_PREREQ(2, 16)
	1090	#pragma GCC diagnostic pop
	1091	#endif
	1092	#endif
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	1093
266 by Teddy Hogeborn * plugin-runner.c: Only space changes.	1094	if(maxfd < new_plugin->fd){
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	1095	maxfd = new_plugin->fd;
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	1096	}
13 by Björn Påhlsson Added following support:	1097	}
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	1098
362 by Teddy Hogeborn * plugin-runner.c (getplugin, add_environment, main): Handle EINTR	1099	TEMP_FAILURE_RETRY(closedir(dir));
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1100	dir = NULL;
24.1.132 by Björn Påhlsson Fixed a bug in fallback handling	1101	free_plugin(getplugin(NULL));
210 by Teddy Hogeborn * debian/mandos-client.postinst: Change home directory to	1102
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	1103	for(plugin *p = plugin_list; p != NULL; p = p->next){
	1104	if(p->pid != 0){
	1105	break;
	1106	}
	1107	if(p->next == NULL){
	1108	fprintf(stderr, "No plugin processes started. Incorrect plugin"
	1109	" directory?\n");
	1110	free_plugin_list();
	1111	}
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	1112	}
210 by Teddy Hogeborn * debian/mandos-client.postinst: Change home directory to	1113
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	1114	/* Main loop while running plugins exist */
	1115	while(plugin_list){
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	1116	fd_set rfds = rfds_all;
	1117	int select_ret = select(maxfd+1, &rfds, NULL, NULL, NULL);
362 by Teddy Hogeborn * plugin-runner.c (getplugin, add_environment, main): Handle EINTR	1118	if(select_ret == -1 and errno != EINTR){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	1119	error(0, errno, "select");
399 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	1120	exitstatus = EX_OSERR;
24.1.54 by Björn Påhlsson plugin-runner	1121	goto fallback;
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	1122	}
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1123	/* OK, now either a process completed, or something can be read
	1124	from one of them */
24.1.92 by Björn Påhlsson Several memory leaks detected by valgrind fixed	1125	for(plugin *proc = plugin_list; proc != NULL;){
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1126	/* Is this process completely done? */
297 by Teddy Hogeborn * plugin-runner.c (struct plugin.status): Changed type to "int".	1127	if(proc->completed and proc->eof){
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1128	/* Only accept the plugin output if it exited cleanly */
	1129	if(not WIFEXITED(proc->status)
	1130	or WEXITSTATUS(proc->status) != 0){
	1131	/* Bad exit by plugin */
312 by Teddy Hogeborn * plugin-runner.c: Whitespace changes only.	1132
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1133	if(debug){
	1134	if(WIFEXITED(proc->status)){
301 by Teddy Hogeborn * plugin-runner.c (main): If debugging, print name of failed plugins.	1135	fprintf(stderr, "Plugin %s [%" PRIdMAX "] exited with"
	1136	" status %d\n", proc->name,
	1137	(intmax_t) (proc->pid),
60 by Teddy Hogeborn * mandos-client.c (main): Cast pid_t to unsigned int before printing.	1138	WEXITSTATUS(proc->status));
293 by Teddy Hogeborn * plugin-runner.c: Whitespace changes only.	1139	} else if(WIFSIGNALED(proc->status)){
301 by Teddy Hogeborn * plugin-runner.c (main): If debugging, print name of failed plugins.	1140	fprintf(stderr, "Plugin %s [%" PRIdMAX "] killed by"
356 by Teddy Hogeborn * plugin-runner.c (main): When a plugin is killed by a signal, show	1141	" signal %d: %s\n", proc->name,
301 by Teddy Hogeborn * plugin-runner.c (main): If debugging, print name of failed plugins.	1142	(intmax_t) (proc->pid),
356 by Teddy Hogeborn * plugin-runner.c (main): When a plugin is killed by a signal, show	1143	WTERMSIG(proc->status),
	1144	strsignal(WTERMSIG(proc->status)));
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1145	} else if(WCOREDUMP(proc->status)){
301 by Teddy Hogeborn * plugin-runner.c (main): If debugging, print name of failed plugins.	1146	fprintf(stderr, "Plugin %s [%" PRIdMAX "] dumped"
	1147	" core\n", proc->name, (intmax_t) (proc->pid));
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1148	}
	1149	}
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	1150
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1151	/* Remove the plugin */
646 by Teddy Hogeborn Suppress spurious warnings when needed.	1152	#if defined (__GNUC__) and defined (__GLIBC__)
	1153	#if not __GLIBC_PREREQ(2, 16)
	1154	#pragma GCC diagnostic push
	1155	#pragma GCC diagnostic ignored "-Wsign-conversion"
	1156	#endif
	1157	#endif
378 by Teddy Hogeborn * mandos (MandosServer): Fixed doc string.	1158	FD_CLR(proc->fd, &rfds_all); /* Spurious warning from
646 by Teddy Hogeborn Suppress spurious warnings when needed.	1159	-Wconversion in GNU libc
	1160	before 2.16 */
	1161	#if defined (__GNUC__) and defined (__GLIBC__)
	1162	#if not __GLIBC_PREREQ(2, 16)
	1163	#pragma GCC diagnostic pop
	1164	#endif
	1165	#endif
312 by Teddy Hogeborn * plugin-runner.c: Whitespace changes only.	1166
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1167	/* Block signal while modifying process_list */
367 by Teddy Hogeborn * init.d-mandos: Bug fix: Correct the LSB header.	1168	ret = (int)TEMP_FAILURE_RETRY(sigprocmask
	1169	(SIG_BLOCK,
	1170	&sigchld_action.sa_mask,
	1171	NULL));
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1172	if(ret < 0){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	1173	error(0, errno, "sigprocmask");
399 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	1174	exitstatus = EX_OSERR;
24.1.54 by Björn Påhlsson plugin-runner	1175	goto fallback;
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1176	}
24.1.92 by Björn Påhlsson Several memory leaks detected by valgrind fixed	1177
210 by Teddy Hogeborn * debian/mandos-client.postinst: Change home directory to	1178	plugin *next_plugin = proc->next;
	1179	free_plugin(proc);
	1180	proc = next_plugin;
	1181
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1182	/* We are done modifying process list, so unblock signal */
367 by Teddy Hogeborn * init.d-mandos: Bug fix: Correct the LSB header.	1183	ret = (int)(TEMP_FAILURE_RETRY
	1184	(sigprocmask(SIG_UNBLOCK,
	1185	&sigchld_action.sa_mask, NULL)));
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1186	if(ret < 0){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	1187	error(0, errno, "sigprocmask");
399 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	1188	exitstatus = EX_OSERR;
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	1189	goto fallback;
	1190	}
	1191
	1192	if(plugin_list == NULL){
	1193	break;
	1194	}
24.1.92 by Björn Påhlsson Several memory leaks detected by valgrind fixed	1195
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	1196	continue;
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1197	}
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	1198
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1199	/* This process exited nicely, so print its buffer */
210 by Teddy Hogeborn * debian/mandos-client.postinst: Change home directory to	1200
102 by Teddy Hogeborn * plugin-runner.c (process): Set "completed" and "status" as volatile.	1201	bool bret = print_out_password(proc->buffer,
	1202	proc->buffer_length);
24.1.42 by Björn Påhlsson Added fallback to mandos-client	1203	if(not bret){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	1204	error(0, errno, "print_out_password");
399 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	1205	exitstatus = EX_IOERR;
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1206	}
24.1.54 by Björn Påhlsson plugin-runner	1207	goto fallback;
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1208	}
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	1209
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1210	/* This process has not completed. Does it have any output? */
646 by Teddy Hogeborn Suppress spurious warnings when needed.	1211	#if defined (__GNUC__) and defined (__GLIBC__)
	1212	#if not __GLIBC_PREREQ(2, 16)
	1213	#pragma GCC diagnostic push
	1214	#pragma GCC diagnostic ignored "-Wsign-conversion"
	1215	#endif
	1216	#endif
378 by Teddy Hogeborn * mandos (MandosServer): Fixed doc string.	1217	if(proc->eof or not FD_ISSET(proc->fd, &rfds)){ /* Spurious
	1218	warning from
646 by Teddy Hogeborn Suppress spurious warnings when needed.	1219	-Wconversion
	1220	in GNU libc
	1221	before
	1222	2.16 */
	1223	#if defined (__GNUC__) and defined (__GLIBC__)
	1224	#if not __GLIBC_PREREQ(2, 16)
	1225	#pragma GCC diagnostic pop
	1226	#endif
	1227	#endif
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1228	/* This process had nothing to say at this time */
24.1.92 by Björn Påhlsson Several memory leaks detected by valgrind fixed	1229	proc = proc->next;
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	1230	continue;
	1231	}
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1232	/* Before reading, make the process' data buffer large enough */
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	1233	if(proc->buffer_length + BUFFER_SIZE > proc->buffer_size){
666 by Teddy Hogeborn Bug fix: Free all memory and give better messages when memory is full.	1234	char *new_buffer = realloc(proc->buffer, proc->buffer_size
	1235	+ (size_t) BUFFER_SIZE);
	1236	if(new_buffer == NULL){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	1237	error(0, errno, "malloc");
399 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	1238	exitstatus = EX_OSERR;
24.1.54 by Björn Påhlsson plugin-runner	1239	goto fallback;
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	1240	}
666 by Teddy Hogeborn Bug fix: Free all memory and give better messages when memory is full.	1241	proc->buffer = new_buffer;
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	1242	proc->buffer_size += BUFFER_SIZE;
	1243	}
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1244	/* Read from the process */
362 by Teddy Hogeborn * plugin-runner.c (getplugin, add_environment, main): Handle EINTR	1245	sret = TEMP_FAILURE_RETRY(read(proc->fd,
	1246	proc->buffer
	1247	+ proc->buffer_length,
	1248	BUFFER_SIZE));
254 by Teddy Hogeborn Eliminate warning on 64-bit systems, thanks to Frans Pop	1249	if(sret < 0){
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1250	/* Read error from this process; ignore the error */
24.1.92 by Björn Påhlsson Several memory leaks detected by valgrind fixed	1251	proc = proc->next;
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	1252	continue;
	1253	}
254 by Teddy Hogeborn Eliminate warning on 64-bit systems, thanks to Frans Pop	1254	if(sret == 0){
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	1255	/* got EOF */
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1256	proc->eof = true;
	1257	} else {
254 by Teddy Hogeborn Eliminate warning on 64-bit systems, thanks to Frans Pop	1258	proc->buffer_length += (size_t) sret;
13 by Björn Påhlsson Added following support:	1259	}
	1260	}
	1261	}
312 by Teddy Hogeborn * plugin-runner.c: Whitespace changes only.	1262
	1263
24.1.54 by Björn Påhlsson plugin-runner	1264	fallback:
24.1.42 by Björn Påhlsson Added fallback to mandos-client	1265
399 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	1266	if(plugin_list == NULL or (exitstatus != EXIT_SUCCESS
399 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	1267	and exitstatus != EX_OK)){
102 by Teddy Hogeborn * plugin-runner.c (process): Set "completed" and "status" as volatile.	1268	/* Fallback if all plugins failed, none are found or an error
	1269	occured */
24.1.42 by Björn Påhlsson Added fallback to mandos-client	1270	bool bret;
	1271	fprintf(stderr, "Going to fallback mode using getpass(3)\n");
	1272	char *passwordbuffer = getpass("Password: ");
168 by Teddy Hogeborn * initramfs-tools-hook: Use long options where available. Use only	1273	size_t len = strlen(passwordbuffer);
	1274	/* Strip trailing newline */
	1275	if(len > 0 and passwordbuffer[len-1] == '\n'){
	1276	passwordbuffer[len-1] = '\0'; /* not strictly necessary */
	1277	len--;
	1278	}
	1279	bret = print_out_password(passwordbuffer, len);
24.1.42 by Björn Påhlsson Added fallback to mandos-client	1280	if(not bret){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	1281	error(0, errno, "print_out_password");
399 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	1282	exitstatus = EX_IOERR;
24.1.42 by Björn Påhlsson Added fallback to mandos-client	1283	}
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1284	}
24.1.42 by Björn Påhlsson Added fallback to mandos-client	1285
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1286	/* Restore old signal handler */
24.1.54 by Björn Påhlsson plugin-runner	1287	ret = sigaction(SIGCHLD, &old_sigchld_action, NULL);
24.1.54 by Björn Påhlsson plugin-runner	1288	if(ret == -1){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	1289	error(0, errno, "sigaction");
399 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	1290	exitstatus = EX_OSERR;
24.1.54 by Björn Påhlsson plugin-runner	1291	}
210 by Teddy Hogeborn * debian/mandos-client.postinst: Change home directory to	1292
24.1.54 by Björn Påhlsson plugin-runner	1293	if(custom_argv != NULL){
24.1.67 by Björn Påhlsson transformed a function to a part of main	1294	for(char *arg = custom_argv+1; arg != NULL; arg++){
24.1.54 by Björn Påhlsson plugin-runner	1295	free(*arg);
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	1296	}
24.1.54 by Björn Påhlsson plugin-runner	1297	free(custom_argv);
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1298	}
	1299
	1300	if(dir != NULL){
	1301	closedir(dir);
	1302	}
	1303
210 by Teddy Hogeborn * debian/mandos-client.postinst: Change home directory to	1304	/* Kill the processes */
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	1305	for(plugin *p = plugin_list; p != NULL; p = p->next){
	1306	if(p->pid != 0){
	1307	close(p->fd);
	1308	ret = kill(p->pid, SIGTERM);
	1309	if(ret == -1 and errno != ESRCH){
	1310	/* Set-uid proccesses might not get closed */
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	1311	error(0, errno, "kill");
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	1312	}
24.1.26 by Björn Påhlsson tally count of used symbols	1313	}
13 by Björn Påhlsson Added following support:	1314	}
13 by Björn Påhlsson Added following support:	1315
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1316	/* Wait for any remaining child processes to terminate */
363 by Teddy Hogeborn * plugin-runner.c: Minor stylistic changes.	1317	do {
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1318	ret = wait(NULL);
	1319	} while(ret >= 0);
	1320	if(errno != ECHILD){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	1321	error(0, errno, "wait");
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1322	}
210 by Teddy Hogeborn * debian/mandos-client.postinst: Change home directory to	1323
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	1324	free_plugin_list();
	1325
24.1.69 by Björn Påhlsson added configfile as a optional argument to plugin-runner	1326	free(plugindir);
	1327	free(argfile);
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1328
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	1329	return exitstatus;
13 by Björn Påhlsson Added following support:	1330	}