/mandos/release : contents of plugin-runner.c at revision 237.7.142

: (revision 237.7.142)

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237.2.122 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	*
237.7.92 by Teddy Hogeborn Updated year in copyright notices.	5	* Copyright © 2008-2012 Teddy Hogeborn
	6	* Copyright © 2008-2012 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	*
237.11.2 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(),
237.2.147 by Teddy Hogeborn * plugin-runner.c (main): Use the O_CLOEXEC flag, if available, when	26	asprintf(), O_CLOEXEC */
24.1.26 by Björn Påhlsson tally count of used symbols	27	#include <stddef.h> /* size_t, NULL */
237.2.162 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	28	#include <stdlib.h> /* malloc(), exit(), EXIT_SUCCESS,
	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(),
205 by Teddy Hogeborn * Makefile (PLUGINS, uninstall-client,	32	stderr, STDOUT_FILENO */
237.2.147 by Teddy Hogeborn * plugin-runner.c (main): Use the O_CLOEXEC flag, if available, when	33	#include <sys/types.h> /* DIR, fdopendir(), stat(), 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(),
237.2.119 by Teddy Hogeborn * plugin-runner.c (main): When a plugin is killed by a signal, show	41	WEXITSTATUS(), WTERMSIG(),
	42	WCOREDUMP() */
24.1.26 by Björn Påhlsson tally count of used symbols	43	#include <sys/stat.h> /* struct stat, stat(), S_ISREG() */
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	44	#include <iso646.h> /* and, or, not */
237.2.147 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() */
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	47	#include <unistd.h> /* struct stat, stat(), S_ISREG(),
24.1.26 by Björn Påhlsson tally count of used symbols	48	fcntl(), setuid(), setgid(),
	49	F_GETFD, F_SETFD, FD_CLOEXEC,
	50	access(), pipe(), fork(), close()
205 by Teddy Hogeborn * Makefile (PLUGINS, uninstall-client,	51	dup2(), STDOUT_FILENO, _exit(),
24.1.26 by Björn Påhlsson tally count of used symbols	52	execv(), write(), read(),
	53	close() */
	54	#include <fcntl.h> /* fcntl(), F_GETFD, F_SETFD,
	55	FD_CLOEXEC */
237.2.119 by Teddy Hogeborn * plugin-runner.c (main): When a plugin is killed by a signal, show	56	#include <string.h> /* strsep, strlen(), asprintf(),
24.1.141 by Björn Påhlsson fixed incorrect include comments	57	strsignal(), 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,
237.2.71 by Teddy Hogeborn * plugin-runner.c: Comment change.	67	SIG_UNBLOCK, kill(), sig_atomic_t
	68	*/
24.1.26 by Björn Påhlsson tally count of used symbols	69	#include <errno.h> /* errno, EBADF */
237.2.74 by Teddy Hogeborn Overflows are not detected by sscanf(), so stop using it:	70	#include <inttypes.h> /* intmax_t, PRIdMAX, strtoimax() */
237.2.162 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	71	#include <sysexits.h> /* EX_OSERR, EX_USAGE, EX_IOERR,
	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() */
13 by Björn Påhlsson Added following support:	75
37 by Teddy Hogeborn Non-tested commit for merge purposes.	76	#define BUFFER_SIZE 256
24.1.69 by Björn Påhlsson added configfile as a optional argument to plugin-runner	77
	78	#define PDIR "/lib/mandos/plugins.d"
	79	#define AFILE "/conf/conf.d/mandos/plugin-runner.conf"
37 by Teddy Hogeborn Non-tested commit for merge purposes.	80
217 by Teddy Hogeborn * .bzrignore: Added "man" directory (created by "make install-html").	81	const char *argp_program_version = "plugin-runner " VERSION;
237.11.2 by Teddy Hogeborn Change "fukt.bsnet.se" to "recompile.se" throughout.	82	const char *argp_program_bug_address = "<mandos@recompile.se>";
24.1.35 by Björn Påhlsson version 1.0	83
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	84	typedef struct plugin{
	85	char name; / can be NULL or any plugin name */
	86	char **argv;
	87	int argc;
	88	char **environ;
	89	int envc;
	90	bool disabled;
237.2.75 by Teddy Hogeborn * plugin-runner.c: Whitespace changes only.	91
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	92	/* Variables used for running processes*/
13 by Björn Påhlsson Added following support:	93	pid_t pid;
	94	int fd;
	95	char *buffer;
21 by Teddy Hogeborn * Makefile (CFLAGS): Changed to use $(WARN), $(DEBUG), $(COVERAGE) and	96	size_t buffer_size;
	97	size_t buffer_length;
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	98	bool eof;
237.2.59 by Teddy Hogeborn * plugin-runner.c (struct plugin.completed): Changed type to "volatile	99	volatile sig_atomic_t completed;
237.2.60 by Teddy Hogeborn * plugin-runner.c (struct plugin.status): Changed type to "int".	100	int status;
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	101	struct plugin *next;
	102	} plugin;
	103
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	104	static plugin *plugin_list = NULL;
	105
24.1.90 by Björn Påhlsson fixed two bugs:	106	/* Gets an existing plugin based on name,
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	107	or if none is found, creates a new one */
	108	static plugin getplugin(char name){
237.2.157 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	109	/* Check for existing plugin with that name */
237.2.29 by Teddy Hogeborn * plugin-runner.c: Only space changes.	110	for(plugin *p = plugin_list; p != NULL; p = p->next){
	111	if((p->name == name)
	112	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	113	return p;
	114	}
	115	}
	116	/* Create a new plugin */
237.2.125 by Teddy Hogeborn * plugin-runner.c (getplugin, add_environment, main): Handle EINTR	117	plugin *new_plugin = NULL;
237.2.126 by Teddy Hogeborn * plugin-runner.c: Minor stylistic changes.	118	do {
237.2.125 by Teddy Hogeborn * plugin-runner.c (getplugin, add_environment, main): Handle EINTR	119	new_plugin = malloc(sizeof(plugin));
237.2.126 by Teddy Hogeborn * plugin-runner.c: Minor stylistic changes.	120	} while(new_plugin == NULL and errno == EINTR);
237.2.29 by Teddy Hogeborn * plugin-runner.c: Only space changes.	121	if(new_plugin == NULL){
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	122	return NULL;
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	123	}
24.1.62 by Björn Påhlsson merge + small bugfix	124	char *copy_name = NULL;
24.1.62 by Björn Påhlsson merge + small bugfix	125	if(name != NULL){
237.2.126 by Teddy Hogeborn * plugin-runner.c: Minor stylistic changes.	126	do {
237.2.125 by Teddy Hogeborn * plugin-runner.c (getplugin, add_environment, main): Handle EINTR	127	copy_name = strdup(name);
237.2.126 by Teddy Hogeborn * plugin-runner.c: Minor stylistic changes.	128	} while(copy_name == NULL and errno == EINTR);
98 by Teddy Hogeborn * plugin-runner.c (getplugin): Only copy "name" if not NULL. Free	129	if(copy_name == NULL){
237.2.157 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	130	int e = errno;
237.2.35 by Teddy Hogeborn Fix problem found using cppcheck, thanks to George Danchev	131	free(new_plugin);
237.2.157 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	132	errno = e;
98 by Teddy Hogeborn * plugin-runner.c (getplugin): Only copy "name" if not NULL. Free	133	return NULL;
	134	}
24.1.54 by Björn Påhlsson plugin-runner	135	}
24.1.90 by Björn Påhlsson fixed two bugs:	136
237.2.56 by Teddy Hogeborn * plugin-runner.c: Whitespace changes only.	137	*new_plugin = (plugin){ .name = copy_name,
	138	.argc = 1,
	139	.disabled = false,
	140	.next = plugin_list };
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	141
237.2.126 by Teddy Hogeborn * plugin-runner.c: Minor stylistic changes.	142	do {
237.2.125 by Teddy Hogeborn * plugin-runner.c (getplugin, add_environment, main): Handle EINTR	143	new_plugin->argv = malloc(sizeof(char ) 2);
237.2.126 by Teddy Hogeborn * plugin-runner.c: Minor stylistic changes.	144	} while(new_plugin->argv == NULL and errno == EINTR);
237.2.29 by Teddy Hogeborn * plugin-runner.c: Only space changes.	145	if(new_plugin->argv == NULL){
237.2.157 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	146	int e = errno;
24.1.62 by Björn Påhlsson merge + small bugfix	147	free(copy_name);
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	148	free(new_plugin);
237.2.157 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	149	errno = e;
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	150	return NULL;
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	151	}
24.1.54 by Björn Påhlsson plugin-runner	152	new_plugin->argv[0] = copy_name;
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	153	new_plugin->argv[1] = NULL;
135 by Teddy Hogeborn * plugin-runner.c (add_environment): Never insert existing environment	154
237.2.126 by Teddy Hogeborn * plugin-runner.c: Minor stylistic changes.	155	do {
237.2.125 by Teddy Hogeborn * plugin-runner.c (getplugin, add_environment, main): Handle EINTR	156	new_plugin->environ = malloc(sizeof(char *));
237.2.126 by Teddy Hogeborn * plugin-runner.c: Minor stylistic changes.	157	} while(new_plugin->environ == NULL and errno == EINTR);
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	158	if(new_plugin->environ == NULL){
237.2.157 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	159	int e = errno;
24.1.62 by Björn Påhlsson merge + small bugfix	160	free(copy_name);
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	161	free(new_plugin->argv);
	162	free(new_plugin);
237.2.157 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	163	errno = e;
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	164	return NULL;
	165	}
	166	new_plugin->environ[0] = NULL;
135 by Teddy Hogeborn * plugin-runner.c (add_environment): Never insert existing environment	167
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	168	/* Append the new plugin to the list */
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	169	plugin_list = new_plugin;
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	170	return new_plugin;
	171	}
	172
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	173	/* Helper function for add_argument and add_environment */
237.7.82 by teddy at bsnet * plugin-runner.c (add_to_char_array): Added "nonnull" attribute.	174	__attribute__((nonnull))
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	175	static bool add_to_char_array(const char new, char **array,
	176	int *len){
	177	/* Resize the pointed-to array to hold one more pointer */
237.2.126 by Teddy Hogeborn * plugin-runner.c: Minor stylistic changes.	178	do {
237.2.125 by Teddy Hogeborn * plugin-runner.c (getplugin, add_environment, main): Handle EINTR	179	array = realloc(array, sizeof(char *)
	180	* (size_t) ((*len) + 2));
237.2.126 by Teddy Hogeborn * plugin-runner.c: Minor stylistic changes.	181	} while(*array == NULL and errno == EINTR);
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	182	/* Malloc check */
	183	if(*array == NULL){
	184	return false;
	185	}
	186	/* Make a copy of the new string */
237.2.125 by Teddy Hogeborn * plugin-runner.c (getplugin, add_environment, main): Handle EINTR	187	char *copy;
237.2.126 by Teddy Hogeborn * plugin-runner.c: Minor stylistic changes.	188	do {
237.2.125 by Teddy Hogeborn * plugin-runner.c (getplugin, add_environment, main): Handle EINTR	189	copy = strdup(new);
237.2.126 by Teddy Hogeborn * plugin-runner.c: Minor stylistic changes.	190	} while(copy == NULL and errno == EINTR);
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	191	if(copy == NULL){
	192	return false;
	193	}
	194	/* Insert the copy */
	195	(array)[len] = copy;
	196	(*len)++;
	197	/* Add a new terminating NULL pointer to the last element */
	198	(array)[len] = NULL;
	199	return true;
	200	}
	201
	202	/* Add to a plugin's argument vector */
237.7.82 by teddy at bsnet * plugin-runner.c (add_to_char_array): Added "nonnull" attribute.	203	__attribute__((nonnull(2)))
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	204	static bool add_argument(plugin p, const char arg){
	205	if(p == NULL){
	206	return false;
	207	}
	208	return add_to_char_array(arg, &(p->argv), &(p->argc));
	209	}
	210
	211	/* Add to a plugin's environment */
237.7.82 by teddy at bsnet * plugin-runner.c (add_to_char_array): Added "nonnull" attribute.	212	__attribute__((nonnull(2)))
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	213	static bool add_environment(plugin p, const char def, bool replace){
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	214	if(p == NULL){
	215	return false;
	216	}
135 by Teddy Hogeborn * plugin-runner.c (add_environment): Never insert existing environment	217	/* namelen = length of name of environment variable */
	218	size_t namelen = (size_t)(strchrnul(def, '=') - def);
	219	/* Search for this environment variable */
	220	for(char *e = p->environ; e != NULL; e++){
24.1.90 by Björn Påhlsson fixed two bugs:	221	if(strncmp(*e, def, namelen + 1) == 0){
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	222	/* It already exists */
	223	if(replace){
237.2.125 by Teddy Hogeborn * plugin-runner.c (getplugin, add_environment, main): Handle EINTR	224	char *new;
237.2.126 by Teddy Hogeborn * plugin-runner.c: Minor stylistic changes.	225	do {
237.2.125 by Teddy Hogeborn * plugin-runner.c (getplugin, add_environment, main): Handle EINTR	226	new = realloc(*e, strlen(def) + 1);
237.2.126 by Teddy Hogeborn * plugin-runner.c: Minor stylistic changes.	227	} while(new == NULL and errno == EINTR);
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	228	if(new == NULL){
	229	return false;
	230	}
	231	*e = new;
	232	strcpy(*e, def);
	233	}
135 by Teddy Hogeborn * plugin-runner.c (add_environment): Never insert existing environment	234	return true;
	235	}
	236	}
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	237	return add_to_char_array(def, &(p->environ), &(p->envc));
	238	}
	239
32 by Teddy Hogeborn * plugins.d/plugbasedclient.c (set_cloexec_flag): New function.	240	/*
	241	* Based on the example in the GNU LibC manual chapter 13.13 "File
	242	* Descriptor Flags".
237.2.122 by Teddy Hogeborn * plugins-runner.c (main): Bug fix: Close config file.	243	\| [[info:libc:Descriptor%20Flags][File Descriptor Flags]] \|
32 by Teddy Hogeborn * plugins.d/plugbasedclient.c (set_cloexec_flag): New function.	244	*/
187 by Teddy Hogeborn * debian/mandos-client.README.Debian: Document "eth0" default and how	245	static int set_cloexec_flag(int fd){
237.2.130 by Teddy Hogeborn * init.d-mandos: Bug fix: Correct the LSB header.	246	int ret = (int)TEMP_FAILURE_RETRY(fcntl(fd, F_GETFD, 0));
32 by Teddy Hogeborn * plugins.d/plugbasedclient.c (set_cloexec_flag): New function.	247	/* If reading the flags failed, return error indication now. */
	248	if(ret < 0){
	249	return ret;
	250	}
	251	/* Store modified flag word in the descriptor. */
237.2.130 by Teddy Hogeborn * init.d-mandos: Bug fix: Correct the LSB header.	252	return (int)TEMP_FAILURE_RETRY(fcntl(fd, F_SETFD,
	253	ret \| FD_CLOEXEC));
32 by Teddy Hogeborn * plugins.d/plugbasedclient.c (set_cloexec_flag): New function.	254	}
	255
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	256
102 by Teddy Hogeborn * plugin-runner.c (process): Set "completed" and "status" as volatile.	257	/* Mark processes as completed when they exit, and save their exit
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	258	status. */
187 by Teddy Hogeborn * debian/mandos-client.README.Debian: Document "eth0" default and how	259	static void handle_sigchld(__attribute__((unused)) int sig){
237.2.61 by Teddy Hogeborn * plugin-runner.c (handle_sigchld): Bug fix: Save and restore "errno".	260	int old_errno = errno;
24.1.65 by Björn Påhlsson * plugin-runner.c (handle_sigchld): Loop until all exited children	261	while(true){
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	262	plugin *proc = plugin_list;
24.1.65 by Björn Påhlsson * plugin-runner.c (handle_sigchld): Loop until all exited children	263	int status;
	264	pid_t pid = waitpid(-1, &status, WNOHANG);
	265	if(pid == 0){
102 by Teddy Hogeborn * plugin-runner.c (process): Set "completed" and "status" as volatile.	266	/* Only still running child processes */
24.1.65 by Björn Påhlsson * plugin-runner.c (handle_sigchld): Loop until all exited children	267	break;
	268	}
	269	if(pid == -1){
237.2.58 by Teddy Hogeborn * plugin-runner.c (handle_sigchld): Clarify logic.	270	if(errno == ECHILD){
	271	/* No child processes */
	272	break;
24.1.65 by Björn Påhlsson * plugin-runner.c (handle_sigchld): Loop until all exited children	273	}
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	274	error(0, errno, "waitpid");
24.1.65 by Björn Påhlsson * plugin-runner.c (handle_sigchld): Loop until all exited children	275	}
24.1.90 by Björn Påhlsson fixed two bugs:	276
102 by Teddy Hogeborn * plugin-runner.c (process): Set "completed" and "status" as volatile.	277	/* A child exited, find it in process_list */
24.1.65 by Björn Påhlsson * plugin-runner.c (handle_sigchld): Loop until all exited children	278	while(proc != NULL and proc->pid != pid){
	279	proc = proc->next;
	280	}
	281	if(proc == NULL){
	282	/* Process not found in process list */
	283	continue;
	284	}
	285	proc->status = status;
237.2.59 by Teddy Hogeborn * plugin-runner.c (struct plugin.completed): Changed type to "volatile	286	proc->completed = 1;
24.1.65 by Björn Påhlsson * plugin-runner.c (handle_sigchld): Loop until all exited children	287	}
237.2.61 by Teddy Hogeborn * plugin-runner.c (handle_sigchld): Bug fix: Save and restore "errno".	288	errno = old_errno;
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	289	}
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	290
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	291	/* Prints out a password to stdout */
237.7.82 by teddy at bsnet * plugin-runner.c (add_to_char_array): Added "nonnull" attribute.	292	__attribute__((nonnull))
187 by Teddy Hogeborn * debian/mandos-client.README.Debian: Document "eth0" default and how	293	static bool print_out_password(const char *buffer, size_t length){
64 by Teddy Hogeborn * mandos-client.c (print_out_password): Strip trailing '\n'.	294	ssize_t ret;
	295	for(size_t written = 0; written < length; written += (size_t)ret){
24.1.42 by Björn Påhlsson Added fallback to mandos-client	296	ret = TEMP_FAILURE_RETRY(write(STDOUT_FILENO, buffer + written,
	297	length - written));
	298	if(ret < 0){
	299	return false;
	300	}
	301	}
	302	return true;
	303	}
	304
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	305	/* Removes and free a plugin from the plugin list */
237.7.82 by teddy at bsnet * plugin-runner.c (add_to_char_array): Added "nonnull" attribute.	306	__attribute__((nonnull))
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	307	static void free_plugin(plugin *plugin_node){
	308
	309	for(char *arg = plugin_node->argv; arg != NULL; arg++){
	310	free(*arg);
	311	}
	312	free(plugin_node->argv);
	313	for(char *env = plugin_node->environ; env != NULL; env++){
	314	free(*env);
	315	}
	316	free(plugin_node->environ);
	317	free(plugin_node->buffer);
237.2.75 by Teddy Hogeborn * plugin-runner.c: Whitespace changes only.	318
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	319	/* Removes the plugin from the singly-linked list */
	320	if(plugin_node == plugin_list){
	321	/* First one - simple */
	322	plugin_list = plugin_list->next;
	323	} else {
	324	/* Second one or later */
	325	for(plugin *p = plugin_list; p != NULL; p = p->next){
	326	if(p->next == plugin_node){
	327	p->next = plugin_node->next;
	328	break;
	329	}
	330	}
	331	}
	332
	333	free(plugin_node);
	334	}
	335
	336	static void free_plugin_list(void){
	337	while(plugin_list != NULL){
	338	free_plugin(plugin_list);
98 by Teddy Hogeborn * plugin-runner.c (getplugin): Only copy "name" if not NULL. Free	339	}
24.1.54 by Björn Påhlsson plugin-runner	340	}
24.1.54 by Björn Påhlsson plugin-runner	341
13 by Björn Påhlsson Added following support:	342	int main(int argc, char *argv[]){
24.1.69 by Björn Påhlsson added configfile as a optional argument to plugin-runner	343	char *plugindir = NULL;
	344	char *argfile = NULL;
24.1.51 by Björn Påhlsson Added configuration files support for mandos-client	345	FILE *conffp;
24.1.5 by Björn Påhlsson plugbasedclient:	346	size_t d_name_len;
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	347	DIR *dir = NULL;
13 by Björn Påhlsson Added following support:	348	struct dirent *dirst;
13 by Björn Påhlsson Added following support:	349	struct stat st;
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	350	fd_set rfds_all;
237.2.74 by Teddy Hogeborn Overflows are not detected by sscanf(), so stop using it:	351	int ret, maxfd = 0;
237.2.17 by Teddy Hogeborn Eliminate warning on 64-bit systems, thanks to Frans Pop	352	ssize_t sret;
24.1.6 by Björn Påhlsson plugbasedclient	353	uid_t uid = 65534;
24.1.6 by Björn Påhlsson plugbasedclient	354	gid_t gid = 65534;
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	355	bool debug = false;
	356	int exitstatus = EXIT_SUCCESS;
24.1.7 by Björn Påhlsson merge	357	struct sigaction old_sigchld_action;
	358	struct sigaction sigchld_action = { .sa_handler = handle_sigchld,
	359	.sa_flags = SA_NOCLDSTOP };
24.1.51 by Björn Påhlsson Added configuration files support for mandos-client	360	char **custom_argv = NULL;
	361	int custom_argc = 0;
	362
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	363	/* Establish a signal handler */
	364	sigemptyset(&sigchld_action.sa_mask);
	365	ret = sigaddset(&sigchld_action.sa_mask, SIGCHLD);
24.1.54 by Björn Påhlsson plugin-runner	366	if(ret == -1){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	367	error(0, errno, "sigaddset");
237.2.162 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	368	exitstatus = EX_OSERR;
24.1.54 by Björn Påhlsson plugin-runner	369	goto fallback;
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	370	}
	371	ret = sigaction(SIGCHLD, &sigchld_action, &old_sigchld_action);
24.1.54 by Björn Påhlsson plugin-runner	372	if(ret == -1){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	373	error(0, errno, "sigaction");
237.2.162 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	374	exitstatus = EX_OSERR;
24.1.54 by Björn Påhlsson plugin-runner	375	goto fallback;
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	376	}
	377
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	378	/* The options we understand. */
	379	struct argp_option options[] = {
	380	{ .name = "global-options", .key = 'g',
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	381	.arg = "OPTION[,OPTION[,...]]",
	382	.doc = "Options passed to all plugins" },
138 by Teddy Hogeborn * plugin-runner.c: Changed short option for "--global-env" to "-G",	383	{ .name = "global-env", .key = 'G',
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	384	.arg = "VAR=value",
	385	.doc = "Environment variable passed to all plugins" },
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	386	{ .name = "options-for", .key = 'o',
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	387	.arg = "PLUGIN:OPTION[,OPTION[,...]]",
	388	.doc = "Options passed only to specified plugin" },
138 by Teddy Hogeborn * plugin-runner.c: Changed short option for "--global-env" to "-G",	389	{ .name = "env-for", .key = 'E',
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	390	.arg = "PLUGIN:ENV=value",
	391	.doc = "Environment variable passed to specified plugin" },
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	392	{ .name = "disable", .key = 'd',
	393	.arg = "PLUGIN",
	394	.doc = "Disable a specific plugin", .group = 1 },
138 by Teddy Hogeborn * plugin-runner.c: Changed short option for "--global-env" to "-G",	395	{ .name = "enable", .key = 'e',
	396	.arg = "PLUGIN",
	397	.doc = "Enable a specific plugin", .group = 1 },
24.1.5 by Björn Påhlsson plugbasedclient:	398	{ .name = "plugin-dir", .key = 128,
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	399	.arg = "DIRECTORY",
	400	.doc = "Specify a different plugin directory", .group = 2 },
24.1.69 by Björn Påhlsson added configfile as a optional argument to plugin-runner	401	{ .name = "config-file", .key = 129,
	402	.arg = "FILE",
	403	.doc = "Specify a different configuration file", .group = 2 },
	404	{ .name = "userid", .key = 130,
	405	.arg = "ID", .flags = 0,
	406	.doc = "User ID the plugins will run as", .group = 3 },
	407	{ .name = "groupid", .key = 131,
	408	.arg = "ID", .flags = 0,
	409	.doc = "Group ID the plugins will run as", .group = 3 },
	410	{ .name = "debug", .key = 132,
	411	.doc = "Debug mode", .group = 4 },
237.2.157 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	412	/*
	413	* These reproduce what we would get without ARGP_NO_HELP
	414	*/
	415	{ .name = "help", .key = '?',
	416	.doc = "Give this help list", .group = -1 },
	417	{ .name = "usage", .key = -3,
	418	.doc = "Give a short usage message", .group = -1 },
	419	{ .name = "version", .key = 'V',
	420	.doc = "Print program version", .group = -1 },
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	421	{ .name = NULL }
	422	};
	423
237.7.82 by teddy at bsnet * plugin-runner.c (add_to_char_array): Added "nonnull" attribute.	424	__attribute__((nonnull(3)))
237.2.157 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	425	error_t parse_opt(int key, char arg, struct argp_state state){
	426	errno = 0;
237.2.56 by Teddy Hogeborn * plugin-runner.c: Whitespace changes only.	427	switch(key){
237.2.123 by Teddy Hogeborn * plugin-runner.c (main): Move variables "tmpmax" and "tmp" into	428	char *tmp;
237.7.84 by Björn Påhlsson renamed some foomax values to what they actually represent	429	intmax_t tmp_id;
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	430	case 'g': /* --global-options */
237.2.157 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	431	{
24.1.134 by Björn Påhlsson plugin-runner: Added support for empty string arguments	432	char *plugin_option;
	433	while((plugin_option = strsep(&arg, ",")) != NULL){
	434	if(not add_argument(getplugin(NULL), plugin_option)){
237.2.157 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	435	break;
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	436	}
	437	}
	438	}
	439	break;
138 by Teddy Hogeborn * plugin-runner.c: Changed short option for "--global-env" to "-G",	440	case 'G': /* --global-env */
237.2.157 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	441	add_environment(getplugin(NULL), arg, true);
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	442	break;
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	443	case 'o': /* --options-for */
237.2.157 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	444	{
	445	char *option_list = strchr(arg, ':');
	446	if(option_list == NULL){
	447	argp_error(state, "No colon in \"%s\"", arg);
	448	errno = EINVAL;
	449	break;
	450	}
	451	*option_list = '\0';
	452	option_list++;
	453	if(arg[0] == '\0'){
	454	argp_error(state, "Empty plugin name");
	455	errno = EINVAL;
	456	break;
	457	}
	458	char *option;
	459	while((option = strsep(&option_list, ",")) != NULL){
	460	if(not add_argument(getplugin(arg), option)){
	461	break;
24.1.50 by Björn Påhlsson changed from using strtok to strsep	462	}
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	463	}
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	464	}
	465	break;
138 by Teddy Hogeborn * plugin-runner.c: Changed short option for "--global-env" to "-G",	466	case 'E': /* --env-for */
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	467	{
	468	char *envdef = strchr(arg, ':');
	469	if(envdef == NULL){
237.2.157 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	470	argp_error(state, "No colon in \"%s\"", arg);
	471	errno = EINVAL;
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	472	break;
	473	}
24.1.92 by Björn Påhlsson Several memory leaks detected by valgrind fixed	474	*envdef = '\0';
237.2.157 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	475	envdef++;
	476	if(arg[0] == '\0'){
	477	argp_error(state, "Empty plugin name");
	478	errno = EINVAL;
	479	break;
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	480	}
237.2.157 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	481	add_environment(getplugin(arg), envdef, true);
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	482	}
	483	break;
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	484	case 'd': /* --disable */
237.2.157 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	485	{
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	486	plugin *p = getplugin(arg);
237.2.157 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	487	if(p != NULL){
	488	p->disabled = true;
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	489	}
24.1.5 by Björn Påhlsson plugbasedclient:	490	}
24.1.5 by Björn Påhlsson plugbasedclient:	491	break;
138 by Teddy Hogeborn * plugin-runner.c: Changed short option for "--global-env" to "-G",	492	case 'e': /* --enable */
237.2.157 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	493	{
138 by Teddy Hogeborn * plugin-runner.c: Changed short option for "--global-env" to "-G",	494	plugin *p = getplugin(arg);
237.2.157 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	495	if(p != NULL){
	496	p->disabled = false;
138 by Teddy Hogeborn * plugin-runner.c: Changed short option for "--global-env" to "-G",	497	}
	498	}
	499	break;
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	500	case 128: /* --plugin-dir */
24.1.92 by Björn Påhlsson Several memory leaks detected by valgrind fixed	501	free(plugindir);
24.1.69 by Björn Påhlsson added configfile as a optional argument to plugin-runner	502	plugindir = strdup(arg);
24.1.5 by Björn Påhlsson plugbasedclient:	503	break;
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	504	case 129: /* --config-file */
137 by Teddy Hogeborn * plugin-runner.c (main/parse_opt): Removed code for "--config-file".	505	/* This is already done by parse_opt_config_file() */
	506	break;
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	507	case 130: /* --userid */
237.7.84 by Björn Påhlsson renamed some foomax values to what they actually represent	508	tmp_id = strtoimax(arg, &tmp, 10);
237.2.74 by Teddy Hogeborn Overflows are not detected by sscanf(), so stop using it:	509	if(errno != 0 or tmp == arg or *tmp != '\0'
237.7.84 by Björn Påhlsson renamed some foomax values to what they actually represent	510	or tmp_id != (uid_t)tmp_id){
237.2.157 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	511	argp_error(state, "Bad user ID number: \"%s\", using %"
	512	PRIdMAX, arg, (intmax_t)uid);
	513	break;
237.2.27 by Teddy Hogeborn * plugin-runner.c (main): Use "sscanf" instead of "strtol"; using the	514	}
237.7.84 by Björn Påhlsson renamed some foomax values to what they actually represent	515	uid = (uid_t)tmp_id;
24.1.6 by Björn Påhlsson plugbasedclient	516	break;
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	517	case 131: /* --groupid */
237.7.84 by Björn Påhlsson renamed some foomax values to what they actually represent	518	tmp_id = strtoimax(arg, &tmp, 10);
237.2.74 by Teddy Hogeborn Overflows are not detected by sscanf(), so stop using it:	519	if(errno != 0 or tmp == arg or *tmp != '\0'
237.7.84 by Björn Påhlsson renamed some foomax values to what they actually represent	520	or tmp_id != (gid_t)tmp_id){
237.2.157 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	521	argp_error(state, "Bad group ID number: \"%s\", using %"
	522	PRIdMAX, arg, (intmax_t)gid);
	523	break;
237.2.27 by Teddy Hogeborn * plugin-runner.c (main): Use "sscanf" instead of "strtol"; using the	524	}
237.7.84 by Björn Påhlsson renamed some foomax values to what they actually represent	525	gid = (gid_t)tmp_id;
24.1.6 by Björn Påhlsson plugbasedclient	526	break;
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	527	case 132: /* --debug */
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	528	debug = true;
	529	break;
237.2.157 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	530	/*
	531	* These reproduce what we would get without ARGP_NO_HELP
	532	*/
	533	case '?': /* --help */
	534	state->flags &= ~(unsigned int)ARGP_NO_EXIT; /* force exit */
	535	argp_state_help(state, state->out_stream, ARGP_HELP_STD_HELP);
	536	case -3: /* --usage */
	537	state->flags &= ~(unsigned int)ARGP_NO_EXIT; /* force exit */
	538	argp_state_help(state, state->out_stream,
	539	ARGP_HELP_USAGE \| ARGP_HELP_EXIT_OK);
	540	case 'V': /* --version */
	541	fprintf(state->out_stream, "%s\n", argp_program_version);
	542	exit(EXIT_SUCCESS);
	543	break;
237.2.27 by Teddy Hogeborn * plugin-runner.c (main): Use "sscanf" instead of "strtol"; using the	544	/*
	545	* When adding more options before this line, remember to also add a
	546	* "case" to the "parse_opt_config_file" function below.
	547	*/
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	548	case ARGP_KEY_ARG:
178 by Teddy Hogeborn * initramfs-tools-script: Fix permissions of "/tmp" in initrd.	549	/* Cryptsetup always passes an argument, which is an empty
	550	string if "none" was specified in /etc/crypttab. So if
	551	argument was empty, we ignore it silently. */
237.2.157 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	552	if(arg[0] == '\0'){
	553	break;
178 by Teddy Hogeborn * initramfs-tools-script: Fix permissions of "/tmp" in initrd.	554	}
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	555	default:
	556	return ARGP_ERR_UNKNOWN;
	557	}
237.2.157 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	558	return errno; /* Set to 0 at start */
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	559	}
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	560
137 by Teddy Hogeborn * plugin-runner.c (main/parse_opt): Removed code for "--config-file".	561	/* This option parser is the same as parse_opt() above, except it
	562	ignores everything but the --config-file option. */
237.2.29 by Teddy Hogeborn * plugin-runner.c: Only space changes.	563	error_t parse_opt_config_file(int key, char *arg,
	564	__attribute__((unused))
237.2.56 by Teddy Hogeborn * plugin-runner.c: Whitespace changes only.	565	struct argp_state *state){
237.2.157 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	566	errno = 0;
237.2.56 by Teddy Hogeborn * plugin-runner.c: Whitespace changes only.	567	switch(key){
137 by Teddy Hogeborn * plugin-runner.c (main/parse_opt): Removed code for "--config-file".	568	case 'g': /* --global-options */
138 by Teddy Hogeborn * plugin-runner.c: Changed short option for "--global-env" to "-G",	569	case 'G': /* --global-env */
137 by Teddy Hogeborn * plugin-runner.c (main/parse_opt): Removed code for "--config-file".	570	case 'o': /* --options-for */
138 by Teddy Hogeborn * plugin-runner.c: Changed short option for "--global-env" to "-G",	571	case 'E': /* --env-for */
137 by Teddy Hogeborn * plugin-runner.c (main/parse_opt): Removed code for "--config-file".	572	case 'd': /* --disable */
138 by Teddy Hogeborn * plugin-runner.c: Changed short option for "--global-env" to "-G",	573	case 'e': /* --enable */
137 by Teddy Hogeborn * plugin-runner.c (main/parse_opt): Removed code for "--config-file".	574	case 128: /* --plugin-dir */
	575	break;
	576	case 129: /* --config-file */
24.1.92 by Björn Påhlsson Several memory leaks detected by valgrind fixed	577	free(argfile);
137 by Teddy Hogeborn * plugin-runner.c (main/parse_opt): Removed code for "--config-file".	578	argfile = strdup(arg);
237.2.118 by Teddy Hogeborn * mandos: White-space fixes only.	579	break;
137 by Teddy Hogeborn * plugin-runner.c (main/parse_opt): Removed code for "--config-file".	580	case 130: /* --userid */
	581	case 131: /* --groupid */
	582	case 132: /* --debug */
237.2.157 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	583	case '?': /* --help */
	584	case -3: /* --usage */
	585	case 'V': /* --version */
137 by Teddy Hogeborn * plugin-runner.c (main/parse_opt): Removed code for "--config-file".	586	case ARGP_KEY_ARG:
	587	break;
	588	default:
	589	return ARGP_ERR_UNKNOWN;
	590	}
237.2.157 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	591	return errno;
137 by Teddy Hogeborn * plugin-runner.c (main/parse_opt): Removed code for "--config-file".	592	}
	593
	594	struct argp argp = { .options = options,
	595	.parser = parse_opt_config_file,
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	596	.args_doc = "",
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	597	.doc = "Mandos plugin runner -- Run plugins" };
	598
237.2.28 by Teddy Hogeborn * plugin-runner.c (main): Bug fix; do not accept a "d" character after	599	/* 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".	600	config file location, if any. */
237.2.157 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	601	ret = argp_parse(&argp, argc, argv,
	602	ARGP_IN_ORDER \| ARGP_NO_EXIT \| ARGP_NO_HELP,
	603	NULL, NULL);
	604	switch(ret){
	605	case 0:
	606	break;
	607	case ENOMEM:
	608	default:
	609	errno = ret;
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	610	error(0, errno, "argp_parse");
237.2.157 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	611	exitstatus = EX_OSERR;
	612	goto fallback;
	613	case EINVAL:
	614	exitstatus = EX_USAGE;
137 by Teddy Hogeborn * plugin-runner.c (main/parse_opt): Removed code for "--config-file".	615	goto fallback;
	616	}
	617
	618	/* Reset to the normal argument parser */
	619	argp.parser = parse_opt;
	620
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	621	/* Open the configfile if available */
237.2.29 by Teddy Hogeborn * plugin-runner.c: Only space changes.	622	if(argfile == NULL){
24.1.69 by Björn Påhlsson added configfile as a optional argument to plugin-runner	623	conffp = fopen(AFILE, "r");
	624	} else {
	625	conffp = fopen(argfile, "r");
237.2.118 by Teddy Hogeborn * mandos: White-space fixes only.	626	}
24.1.51 by Björn Påhlsson Added configuration files support for mandos-client	627	if(conffp != NULL){
	628	char *org_line = NULL;
24.1.54 by Björn Påhlsson plugin-runner	629	char p, arg, new_arg, line;
24.1.51 by Björn Påhlsson Added configuration files support for mandos-client	630	size_t size = 0;
	631	const char whitespace_delims[] = " \r\t\f\v\n";
	632	const char comment_delim[] = "#";
237.2.75 by Teddy Hogeborn * plugin-runner.c: Whitespace changes only.	633
24.1.67 by Björn Påhlsson transformed a function to a part of main	634	custom_argc = 1;
	635	custom_argv = malloc(sizeof(char) 2);
	636	if(custom_argv == NULL){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	637	error(0, errno, "malloc");
237.2.162 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	638	exitstatus = EX_OSERR;
24.1.67 by Björn Påhlsson transformed a function to a part of main	639	goto fallback;
	640	}
	641	custom_argv[0] = argv[0];
	642	custom_argv[1] = NULL;
237.2.75 by Teddy Hogeborn * plugin-runner.c: Whitespace changes only.	643
133 by Teddy Hogeborn * plugin-runner.c: Break a couple of long lines.	644	/* for each line in the config file, strip whitespace and ignore
	645	commented text */
24.1.51 by Björn Påhlsson Added configuration files support for mandos-client	646	while(true){
	647	sret = getline(&org_line, &size, conffp);
	648	if(sret == -1){
	649	break;
	650	}
237.2.75 by Teddy Hogeborn * plugin-runner.c: Whitespace changes only.	651
24.1.51 by Björn Påhlsson Added configuration files support for mandos-client	652	line = org_line;
	653	arg = strsep(&line, comment_delim);
	654	while((p = strsep(&arg, whitespace_delims)) != NULL){
	655	if(p[0] == '\0'){
	656	continue;
	657	}
	658	new_arg = strdup(p);
24.1.69 by Björn Påhlsson added configfile as a optional argument to plugin-runner	659	if(new_arg == NULL){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	660	error(0, errno, "strdup");
237.2.162 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	661	exitstatus = EX_OSERR;
24.1.69 by Björn Påhlsson added configfile as a optional argument to plugin-runner	662	free(org_line);
	663	goto fallback;
	664	}
	665
24.1.67 by Björn Påhlsson transformed a function to a part of main	666	custom_argc += 1;
	667	custom_argv = realloc(custom_argv, sizeof(char *)
	668	* ((unsigned int) custom_argc + 1));
	669	if(custom_argv == NULL){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	670	error(0, errno, "realloc");
237.2.162 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	671	exitstatus = EX_OSERR;
24.1.67 by Björn Påhlsson transformed a function to a part of main	672	free(org_line);
24.1.54 by Björn Påhlsson plugin-runner	673	goto fallback;
24.1.51 by Björn Påhlsson Added configuration files support for mandos-client	674	}
24.1.67 by Björn Påhlsson transformed a function to a part of main	675	custom_argv[custom_argc-1] = new_arg;
237.2.118 by Teddy Hogeborn * mandos: White-space fixes only.	676	custom_argv[custom_argc] = NULL;
24.1.51 by Björn Påhlsson Added configuration files support for mandos-client	677	}
	678	}
237.2.126 by Teddy Hogeborn * plugin-runner.c: Minor stylistic changes.	679	do {
237.2.122 by Teddy Hogeborn * plugins-runner.c (main): Bug fix: Close config file.	680	ret = fclose(conffp);
237.2.126 by Teddy Hogeborn * plugin-runner.c: Minor stylistic changes.	681	} while(ret == EOF and errno == EINTR);
237.2.122 by Teddy Hogeborn * plugins-runner.c (main): Bug fix: Close config file.	682	if(ret == EOF){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	683	error(0, errno, "fclose");
237.2.162 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	684	exitstatus = EX_IOERR;
237.2.122 by Teddy Hogeborn * plugins-runner.c (main): Bug fix: Close config file.	685	goto fallback;
	686	}
24.1.51 by Björn Påhlsson Added configuration files support for mandos-client	687	free(org_line);
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	688	} else {
24.1.52 by Björn Påhlsson merge + minor adjustments	689	/* Check for harmful errors and go to fallback. Other errors might
24.1.52 by Björn Påhlsson merge + minor adjustments	690	not affect opening plugins */
237.2.29 by Teddy Hogeborn * plugin-runner.c: Only space changes.	691	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	692	error(0, errno, "fopen");
237.2.165 by Teddy Hogeborn * mandos (Client.disable): Rename keyword argument "log" to "quiet",	693	exitstatus = EX_OSERR;
24.1.54 by Björn Påhlsson plugin-runner	694	goto fallback;
24.1.8 by Björn Påhlsson plugbasedclient	695	}
24.1.51 by Björn Påhlsson Added configuration files support for mandos-client	696	}
237.2.157 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	697	/* If there were any arguments from the configuration file, pass
	698	them to parser as command line arguments */
24.1.51 by Björn Påhlsson Added configuration files support for mandos-client	699	if(custom_argv != NULL){
237.2.157 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	700	ret = argp_parse(&argp, custom_argc, custom_argv,
	701	ARGP_IN_ORDER \| ARGP_NO_EXIT \| ARGP_NO_HELP,
	702	NULL, NULL);
	703	switch(ret){
	704	case 0:
	705	break;
	706	case ENOMEM:
	707	default:
	708	errno = ret;
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	709	error(0, errno, "argp_parse");
237.2.157 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	710	exitstatus = EX_OSERR;
	711	goto fallback;
	712	case EINVAL:
	713	exitstatus = EX_CONFIG;
24.1.54 by Björn Påhlsson plugin-runner	714	goto fallback;
24.1.26 by Björn Påhlsson tally count of used symbols	715	}
24.1.8 by Björn Påhlsson plugbasedclient	716	}
24.1.8 by Björn Påhlsson plugbasedclient	717
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	718	/* Parse actual command line arguments, to let them override the
	719	config file */
237.2.157 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	720	ret = argp_parse(&argp, argc, argv,
	721	ARGP_IN_ORDER \| ARGP_NO_EXIT \| ARGP_NO_HELP,
	722	NULL, NULL);
	723	switch(ret){
	724	case 0:
	725	break;
	726	case ENOMEM:
	727	default:
	728	errno = ret;
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	729	error(0, errno, "argp_parse");
237.2.157 by Teddy Hogeborn Convert some programs to use the exit codes from <sysexits.h>. Change	730	exitstatus = EX_OSERR;
	731	goto fallback;
	732	case EINVAL:
	733	exitstatus = EX_USAGE;
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	734	goto fallback;
	735	}
	736
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	737	if(debug){
	738	for(plugin *p = plugin_list; p != NULL; p=p->next){
	739	fprintf(stderr, "Plugin: %s has %d arguments\n",
32 by Teddy Hogeborn * plugins.d/plugbasedclient.c (set_cloexec_flag): New function.	740	p->name ? p->name : "Global", p->argc - 1);
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	741	for(char *a = p->argv; a != NULL; a++){
	742	fprintf(stderr, "\tArg: %s\n", *a);
	743	}
237.2.31 by Teddy Hogeborn Fixes for sscanf usage:	744	fprintf(stderr, "...and %d environment variables\n", p->envc);
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	745	for(char *a = p->environ; a != NULL; a++){
	746	fprintf(stderr, "\t%s\n", *a);
	747	}
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	748	}
	749	}
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	750
237.16.11 by Teddy Hogeborn * Makefile (run-client): Add "--network-hook-dir" option.	751	if(getuid() == 0){
237.7.35 by Teddy Hogeborn * initramfs-tools-script: Abort if plugin-runner is missing. Removed	752	/* Work around Debian bug #633582:
	753	<http://bugs.debian.org/633582> */
	754	int plugindir_fd = open(/* plugindir or */ PDIR, O_RDONLY);
	755	if(plugindir_fd == -1){
	756	error(0, errno, "open");
	757	} else {
	758	ret = (int)TEMP_FAILURE_RETRY(fstat(plugindir_fd, &st));
	759	if(ret == -1){
	760	error(0, errno, "fstat");
	761	} else {
	762	if(S_ISDIR(st.st_mode) and st.st_uid == 0 and st.st_gid == 0){
	763	ret = fchown(plugindir_fd, uid, gid);
	764	if(ret == -1){
	765	error(0, errno, "fchown");
	766	}
	767	}
	768	}
	769	TEMP_FAILURE_RETRY(close(plugindir_fd));
	770	}
	771	}
	772
	773	/* Lower permissions */
237.2.62 by Teddy Hogeborn * plugin-runner.c (main): Bug fix: Do setgid before setuid.	774	setgid(gid);
	775	if(ret == -1){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	776	error(0, errno, "setgid");
237.2.62 by Teddy Hogeborn * plugin-runner.c (main): Bug fix: Do setgid before setuid.	777	}
24.1.6 by Björn Påhlsson plugbasedclient	778	ret = setuid(uid);
237.2.29 by Teddy Hogeborn * plugin-runner.c: Only space changes.	779	if(ret == -1){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	780	error(0, errno, "setuid");
24.1.6 by Björn Påhlsson plugbasedclient	781	}
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	782
237.2.147 by Teddy Hogeborn * plugin-runner.c (main): Use the O_CLOEXEC flag, if available, when	783	/* Open plugin directory with close_on_exec flag */
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	784	{
237.2.147 by Teddy Hogeborn * plugin-runner.c (main): Use the O_CLOEXEC flag, if available, when	785	int dir_fd = -1;
	786	if(plugindir == NULL){
	787	dir_fd = open(PDIR, O_RDONLY \|
	788	#ifdef O_CLOEXEC
	789	O_CLOEXEC
	790	#else /* not O_CLOEXEC */
	791	0
	792	#endif /* not O_CLOEXEC */
	793	);
	794	} else {
	795	dir_fd = open(plugindir, O_RDONLY \|
	796	#ifdef O_CLOEXEC
	797	O_CLOEXEC
	798	#else /* not O_CLOEXEC */
	799	0
	800	#endif /* not O_CLOEXEC */
	801	);
	802	}
	803	if(dir_fd == -1){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	804	error(0, errno, "Could not open plugin dir");
237.2.162 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	805	exitstatus = EX_UNAVAILABLE;
237.2.147 by Teddy Hogeborn * plugin-runner.c (main): Use the O_CLOEXEC flag, if available, when	806	goto fallback;
	807	}
	808
	809	#ifndef O_CLOEXEC
	810	/* Set the FD_CLOEXEC flag on the directory */
	811	ret = set_cloexec_flag(dir_fd);
	812	if(ret < 0){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	813	error(0, errno, "set_cloexec_flag");
237.2.147 by Teddy Hogeborn * plugin-runner.c (main): Use the O_CLOEXEC flag, if available, when	814	TEMP_FAILURE_RETRY(close(dir_fd));
237.2.162 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	815	exitstatus = EX_OSERR;
237.2.147 by Teddy Hogeborn * plugin-runner.c (main): Use the O_CLOEXEC flag, if available, when	816	goto fallback;
	817	}
	818	#endif /* O_CLOEXEC */
	819
	820	dir = fdopendir(dir_fd);
	821	if(dir == NULL){
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");
237.2.147 by Teddy Hogeborn * plugin-runner.c (main): Use the O_CLOEXEC flag, if available, when	823	TEMP_FAILURE_RETRY(close(dir_fd));
237.2.162 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	824	exitstatus = EX_OSERR;
237.2.147 by Teddy Hogeborn * plugin-runner.c (main): Use the O_CLOEXEC flag, if available, when	825	goto fallback;
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	826	}
	827	}
24.1.1 by Björn Påhlsson Added syntax and support for plugbasedclient arguments and how they	828
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	829	FD_ZERO(&rfds_all);
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	830
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	831	/* Read and execute any executable in the plugin directory*/
13 by Björn Påhlsson Added following support:	832	while(true){
237.2.126 by Teddy Hogeborn * plugin-runner.c: Minor stylistic changes.	833	do {
237.2.125 by Teddy Hogeborn * plugin-runner.c (getplugin, add_environment, main): Handle EINTR	834	dirst = readdir(dir);
237.2.126 by Teddy Hogeborn * plugin-runner.c: Minor stylistic changes.	835	} while(dirst == NULL and errno == EINTR);
13 by Björn Påhlsson Added following support:	836
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	837	/* All directory entries have been processed */
13 by Björn Påhlsson Added following support:	838	if(dirst == NULL){
237.2.29 by Teddy Hogeborn * plugin-runner.c: Only space changes.	839	if(errno == EBADF){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	840	error(0, errno, "readdir");
237.2.162 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	841	exitstatus = EX_IOERR;
24.1.54 by Björn Påhlsson plugin-runner	842	goto fallback;
24.1.26 by Björn Påhlsson tally count of used symbols	843	}
13 by Björn Påhlsson Added following support:	844	break;
	845	}
	846
	847	d_name_len = strlen(dirst->d_name);
	848
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	849	/* Ignore dotfiles, backup files and other junk */
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	850	{
	851	bool bad_name = false;
	852
	853	const char const *bad_prefixes[] = { ".", "#", NULL };
	854
	855	const char const *bad_suffixes[] = { "~", "#", ".dpkg-new",
	856	".dpkg-old",
236 by Teddy Hogeborn * initramfs-tools-hook: Also ignore plugins named "*.dpkg-bak".	857	".dpkg-bak",
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	858	".dpkg-divert", NULL };
	859	for(const char *pre = bad_prefixes; pre != NULL; pre++){
	860	size_t pre_len = strlen(*pre);
	861	if((d_name_len >= pre_len)
	862	and strncmp((dirst->d_name), *pre, pre_len) == 0){
	863	if(debug){
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	864	fprintf(stderr, "Ignoring plugin dir entry \"%s\""
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	865	" with bad prefix %s\n", dirst->d_name, *pre);
	866	}
	867	bad_name = true;
	868	break;
	869	}
	870	}
	871	if(bad_name){
	872	continue;
	873	}
	874	for(const char *suf = bad_suffixes; suf != NULL; suf++){
	875	size_t suf_len = strlen(*suf);
	876	if((d_name_len >= suf_len)
24.1.141 by Björn Påhlsson fixed incorrect include comments	877	and (strcmp((dirst->d_name) + d_name_len-suf_len, *suf)
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	878	== 0)){
	879	if(debug){
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	880	fprintf(stderr, "Ignoring plugin dir entry \"%s\""
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	881	" with bad suffix %s\n", dirst->d_name, *suf);
	882	}
	883	bad_name = true;
	884	break;
	885	}
	886	}
	887
	888	if(bad_name){
	889	continue;
	890	}
13 by Björn Påhlsson Added following support:	891	}
237.2.75 by Teddy Hogeborn * plugin-runner.c: Whitespace changes only.	892
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	893	char *filename;
169 by Teddy Hogeborn * plugin-runner.c (main): Bug fix: use built-in default value if	894	if(plugindir == NULL){
237.2.130 by Teddy Hogeborn * init.d-mandos: Bug fix: Correct the LSB header.	895	ret = (int)TEMP_FAILURE_RETRY(asprintf(&filename, PDIR "/%s",
	896	dirst->d_name));
169 by Teddy Hogeborn * plugin-runner.c (main): Bug fix: use built-in default value if	897	} else {
237.2.130 by Teddy Hogeborn * init.d-mandos: Bug fix: Correct the LSB header.	898	ret = (int)TEMP_FAILURE_RETRY(asprintf(&filename, "%s/%s",
	899	plugindir,
	900	dirst->d_name));
169 by Teddy Hogeborn * plugin-runner.c (main): Bug fix: use built-in default value if	901	}
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	902	if(ret < 0){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	903	error(0, errno, "asprintf");
24.1.46 by Björn Påhlsson mandos-client	904	continue;
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	905	}
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	906
237.2.130 by Teddy Hogeborn * init.d-mandos: Bug fix: Correct the LSB header.	907	ret = (int)TEMP_FAILURE_RETRY(stat(filename, &st));
237.2.29 by Teddy Hogeborn * plugin-runner.c: Only space changes.	908	if(ret == -1){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	909	error(0, errno, "stat");
24.1.46 by Björn Påhlsson mandos-client	910	free(filename);
24.1.46 by Björn Påhlsson mandos-client	911	continue;
24.1.26 by Björn Påhlsson tally count of used symbols	912	}
237.2.75 by Teddy Hogeborn * plugin-runner.c: Whitespace changes only.	913
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	914	/* Ignore non-executable files */
237.2.125 by Teddy Hogeborn * plugin-runner.c (getplugin, add_environment, main): Handle EINTR	915	if(not S_ISREG(st.st_mode)
	916	or (TEMP_FAILURE_RETRY(access(filename, X_OK)) != 0)){
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	917	if(debug){
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	918	fprintf(stderr, "Ignoring plugin dir entry \"%s\""
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	919	" with bad type or mode\n", filename);
	920	}
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	921	free(filename);
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	922	continue;
	923	}
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	924
	925	plugin *p = getplugin(dirst->d_name);
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	926	if(p == NULL){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	927	error(0, errno, "getplugin");
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	928	free(filename);
	929	continue;
	930	}
	931	if(p->disabled){
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	932	if(debug){
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	933	fprintf(stderr, "Ignoring disabled plugin \"%s\"\n",
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	934	dirst->d_name);
	935	}
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	936	free(filename);
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	937	continue;
	938	}
32 by Teddy Hogeborn * plugins.d/plugbasedclient.c (set_cloexec_flag): New function.	939	{
	940	/* Add global arguments to argument list for this plugin */
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	941	plugin *g = getplugin(NULL);
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	942	if(g != NULL){
	943	for(char *a = g->argv + 1; a != NULL; a++){
	944	if(not add_argument(p, *a)){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	945	error(0, errno, "add_argument");
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	946	}
	947	}
	948	/* Add global environment variables */
	949	for(char *e = g->environ; e != NULL; e++){
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	950	if(not add_environment(p, *e, false)){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	951	error(0, errno, "add_environment");
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	952	}
	953	}
	954	}
	955	}
	956	/* If this plugin has any environment variables, we will call
	957	using execve and need to duplicate the environment from this
	958	process, too. */
	959	if(p->environ[0] != NULL){
	960	for(char *e = 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
98 by Teddy Hogeborn * plugin-runner.c (getplugin): Only copy "name" if not NULL. Free	967	int pipefd[2];
237.2.130 by Teddy Hogeborn * init.d-mandos: Bug fix: Correct the LSB header.	968	ret = (int)TEMP_FAILURE_RETRY(pipe(pipefd));
237.2.29 by Teddy Hogeborn * plugin-runner.c: Only space changes.	969	if(ret == -1){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	970	error(0, errno, "pipe");
237.2.162 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	971	exitstatus = EX_OSERR;
24.1.54 by Björn Påhlsson plugin-runner	972	goto fallback;
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	973	}
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	974	/* Ask OS to automatic close the pipe on exec */
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	975	ret = set_cloexec_flag(pipefd[0]);
	976	if(ret < 0){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	977	error(0, errno, "set_cloexec_flag");
237.2.162 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	978	exitstatus = EX_OSERR;
24.1.54 by Björn Påhlsson plugin-runner	979	goto fallback;
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	980	}
	981	ret = set_cloexec_flag(pipefd[1]);
	982	if(ret < 0){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	983	error(0, errno, "set_cloexec_flag");
237.2.162 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	984	exitstatus = EX_OSERR;
24.1.54 by Björn Påhlsson plugin-runner	985	goto fallback;
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	986	}
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	987	/* Block SIGCHLD until process is safely in process list */
237.2.130 by Teddy Hogeborn * init.d-mandos: Bug fix: Correct the LSB header.	988	ret = (int)TEMP_FAILURE_RETRY(sigprocmask(SIG_BLOCK,
	989	&sigchld_action.sa_mask,
	990	NULL));
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	991	if(ret < 0){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	992	error(0, errno, "sigprocmask");
237.2.162 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	993	exitstatus = EX_OSERR;
24.1.54 by Björn Påhlsson plugin-runner	994	goto fallback;
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	995	}
136 by Teddy Hogeborn * plugin-runner.c (add_environment): Override existing environment	996	/* Starting a new process to be watched */
237.2.125 by Teddy Hogeborn * plugin-runner.c (getplugin, add_environment, main): Handle EINTR	997	pid_t pid;
237.2.126 by Teddy Hogeborn * plugin-runner.c: Minor stylistic changes.	998	do {
237.2.125 by Teddy Hogeborn * plugin-runner.c (getplugin, add_environment, main): Handle EINTR	999	pid = fork();
237.2.126 by Teddy Hogeborn * plugin-runner.c: Minor stylistic changes.	1000	} while(pid == -1 and errno == EINTR);
24.1.46 by Björn Påhlsson mandos-client	1001	if(pid == -1){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	1002	error(0, errno, "fork");
237.2.162 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	1003	exitstatus = EX_OSERR;
24.1.54 by Björn Påhlsson plugin-runner	1004	goto fallback;
24.1.46 by Björn Påhlsson mandos-client	1005	}
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	1006	if(pid == 0){
	1007	/* this is the child process */
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1008	ret = sigaction(SIGCHLD, &old_sigchld_action, NULL);
	1009	if(ret < 0){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	1010	error(0, errno, "sigaction");
237.2.162 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	1011	_exit(EX_OSERR);
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1012	}
210 by Teddy Hogeborn * debian/mandos-client.postinst: Change home directory to	1013	ret = sigprocmask(SIG_UNBLOCK, &sigchld_action.sa_mask, NULL);
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1014	if(ret < 0){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	1015	error(0, errno, "sigprocmask");
237.2.162 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	1016	_exit(EX_OSERR);
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1017	}
210 by Teddy Hogeborn * debian/mandos-client.postinst: Change home directory to	1018
24.1.26 by Björn Påhlsson tally count of used symbols	1019	ret = dup2(pipefd[1], STDOUT_FILENO); /* replace our stdout */
24.1.26 by Björn Påhlsson tally count of used symbols	1020	if(ret == -1){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	1021	error(0, errno, "dup2");
237.2.162 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	1022	_exit(EX_OSERR);
24.1.26 by Björn Påhlsson tally count of used symbols	1023	}
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	1024
	1025	if(dirfd(dir) < 0){
	1026	/* If dir has no file descriptor, we could not set FD_CLOEXEC
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1027	above and must now close it manually here. */
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	1028	closedir(dir);
33 by Teddy Hogeborn * plugins.d/plugbasedclient.c (main): Close the pipe fd after dup2:ing	1029	}
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	1030	if(p->environ[0] == NULL){
	1031	if(execv(filename, p->argv) < 0){
24.1.161 by Björn Påhlsson minor debug info for plugin-runner.	1032	error(0, errno, "execv for %s", filename);
237.2.162 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	1033	_exit(EX_OSERR);
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	1034	}
	1035	} else {
	1036	if(execve(filename, p->argv, p->environ) < 0){
24.1.161 by Björn Påhlsson minor debug info for plugin-runner.	1037	error(0, errno, "execve for %s", filename);
237.2.162 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	1038	_exit(EX_OSERR);
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	1039	}
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	1040	}
	1041	/* no return */
	1042	}
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	1043	/* Parent process */
237.2.125 by Teddy Hogeborn * plugin-runner.c (getplugin, add_environment, main): Handle EINTR	1044	TEMP_FAILURE_RETRY(close(pipefd[1])); /* Close unused write end of
	1045	pipe */
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1046	free(filename);
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	1047	plugin *new_plugin = getplugin(dirst->d_name);
237.2.29 by Teddy Hogeborn * plugin-runner.c: Only space changes.	1048	if(new_plugin == NULL){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	1049	error(0, errno, "getplugin");
237.2.130 by Teddy Hogeborn * init.d-mandos: Bug fix: Correct the LSB header.	1050	ret = (int)(TEMP_FAILURE_RETRY
	1051	(sigprocmask(SIG_UNBLOCK, &sigchld_action.sa_mask,
	1052	NULL)));
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1053	if(ret < 0){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	1054	error(0, errno, "sigprocmask");
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1055	}
237.2.162 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	1056	exitstatus = EX_OSERR;
24.1.54 by Björn Påhlsson plugin-runner	1057	goto fallback;
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	1058	}
	1059
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	1060	new_plugin->pid = pid;
	1061	new_plugin->fd = pipefd[0];
	1062
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1063	/* Unblock SIGCHLD so signal handler can be run if this process
	1064	has already completed */
237.2.130 by Teddy Hogeborn * init.d-mandos: Bug fix: Correct the LSB header.	1065	ret = (int)TEMP_FAILURE_RETRY(sigprocmask(SIG_UNBLOCK,
	1066	&sigchld_action.sa_mask,
	1067	NULL));
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1068	if(ret < 0){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	1069	error(0, errno, "sigprocmask");
237.2.162 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	1070	exitstatus = EX_OSERR;
24.1.54 by Björn Påhlsson plugin-runner	1071	goto fallback;
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1072	}
	1073
237.2.141 by Teddy Hogeborn * mandos (MandosServer): Fixed doc string.	1074	FD_SET(new_plugin->fd, &rfds_all); /* Spurious warning from
	1075	-Wconversion */
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	1076
237.2.29 by Teddy Hogeborn * plugin-runner.c: Only space changes.	1077	if(maxfd < new_plugin->fd){
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	1078	maxfd = new_plugin->fd;
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	1079	}
13 by Björn Påhlsson Added following support:	1080	}
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	1081
237.2.125 by Teddy Hogeborn * plugin-runner.c (getplugin, add_environment, main): Handle EINTR	1082	TEMP_FAILURE_RETRY(closedir(dir));
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1083	dir = NULL;
24.1.132 by Björn Påhlsson Fixed a bug in fallback handling	1084	free_plugin(getplugin(NULL));
210 by Teddy Hogeborn * debian/mandos-client.postinst: Change home directory to	1085
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	1086	for(plugin *p = plugin_list; p != NULL; p = p->next){
	1087	if(p->pid != 0){
	1088	break;
	1089	}
	1090	if(p->next == NULL){
	1091	fprintf(stderr, "No plugin processes started. Incorrect plugin"
	1092	" directory?\n");
	1093	free_plugin_list();
	1094	}
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	1095	}
210 by Teddy Hogeborn * debian/mandos-client.postinst: Change home directory to	1096
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	1097	/* Main loop while running plugins exist */
	1098	while(plugin_list){
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	1099	fd_set rfds = rfds_all;
	1100	int select_ret = select(maxfd+1, &rfds, NULL, NULL, NULL);
237.2.125 by Teddy Hogeborn * plugin-runner.c (getplugin, add_environment, main): Handle EINTR	1101	if(select_ret == -1 and errno != EINTR){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	1102	error(0, errno, "select");
237.2.162 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	1103	exitstatus = EX_OSERR;
24.1.54 by Björn Påhlsson plugin-runner	1104	goto fallback;
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	1105	}
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1106	/* OK, now either a process completed, or something can be read
	1107	from one of them */
24.1.92 by Björn Påhlsson Several memory leaks detected by valgrind fixed	1108	for(plugin *proc = plugin_list; proc != NULL;){
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1109	/* Is this process completely done? */
237.2.60 by Teddy Hogeborn * plugin-runner.c (struct plugin.status): Changed type to "int".	1110	if(proc->completed and proc->eof){
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1111	/* Only accept the plugin output if it exited cleanly */
	1112	if(not WIFEXITED(proc->status)
	1113	or WEXITSTATUS(proc->status) != 0){
	1114	/* Bad exit by plugin */
237.2.75 by Teddy Hogeborn * plugin-runner.c: Whitespace changes only.	1115
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1116	if(debug){
	1117	if(WIFEXITED(proc->status)){
237.2.64 by Teddy Hogeborn * plugin-runner.c (main): If debugging, print name of failed plugins.	1118	fprintf(stderr, "Plugin %s [%" PRIdMAX "] exited with"
	1119	" status %d\n", proc->name,
	1120	(intmax_t) (proc->pid),
60 by Teddy Hogeborn * mandos-client.c (main): Cast pid_t to unsigned int before printing.	1121	WEXITSTATUS(proc->status));
237.2.56 by Teddy Hogeborn * plugin-runner.c: Whitespace changes only.	1122	} else if(WIFSIGNALED(proc->status)){
237.2.64 by Teddy Hogeborn * plugin-runner.c (main): If debugging, print name of failed plugins.	1123	fprintf(stderr, "Plugin %s [%" PRIdMAX "] killed by"
237.2.119 by Teddy Hogeborn * plugin-runner.c (main): When a plugin is killed by a signal, show	1124	" signal %d: %s\n", proc->name,
237.2.64 by Teddy Hogeborn * plugin-runner.c (main): If debugging, print name of failed plugins.	1125	(intmax_t) (proc->pid),
237.2.119 by Teddy Hogeborn * plugin-runner.c (main): When a plugin is killed by a signal, show	1126	WTERMSIG(proc->status),
	1127	strsignal(WTERMSIG(proc->status)));
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1128	} else if(WCOREDUMP(proc->status)){
237.2.64 by Teddy Hogeborn * plugin-runner.c (main): If debugging, print name of failed plugins.	1129	fprintf(stderr, "Plugin %s [%" PRIdMAX "] dumped"
	1130	" core\n", proc->name, (intmax_t) (proc->pid));
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1131	}
	1132	}
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	1133
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1134	/* Remove the plugin */
237.2.141 by Teddy Hogeborn * mandos (MandosServer): Fixed doc string.	1135	FD_CLR(proc->fd, &rfds_all); /* Spurious warning from
	1136	-Wconversion */
237.2.75 by Teddy Hogeborn * plugin-runner.c: Whitespace changes only.	1137
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1138	/* Block signal while modifying process_list */
237.2.130 by Teddy Hogeborn * init.d-mandos: Bug fix: Correct the LSB header.	1139	ret = (int)TEMP_FAILURE_RETRY(sigprocmask
	1140	(SIG_BLOCK,
	1141	&sigchld_action.sa_mask,
	1142	NULL));
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1143	if(ret < 0){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	1144	error(0, errno, "sigprocmask");
237.2.162 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	1145	exitstatus = EX_OSERR;
24.1.54 by Björn Påhlsson plugin-runner	1146	goto fallback;
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1147	}
24.1.92 by Björn Påhlsson Several memory leaks detected by valgrind fixed	1148
210 by Teddy Hogeborn * debian/mandos-client.postinst: Change home directory to	1149	plugin *next_plugin = proc->next;
	1150	free_plugin(proc);
	1151	proc = next_plugin;
	1152
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1153	/* We are done modifying process list, so unblock signal */
237.2.130 by Teddy Hogeborn * init.d-mandos: Bug fix: Correct the LSB header.	1154	ret = (int)(TEMP_FAILURE_RETRY
	1155	(sigprocmask(SIG_UNBLOCK,
	1156	&sigchld_action.sa_mask, NULL)));
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1157	if(ret < 0){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	1158	error(0, errno, "sigprocmask");
237.2.162 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	1159	exitstatus = EX_OSERR;
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	1160	goto fallback;
	1161	}
	1162
	1163	if(plugin_list == NULL){
	1164	break;
	1165	}
24.1.92 by Björn Påhlsson Several memory leaks detected by valgrind fixed	1166
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	1167	continue;
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1168	}
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	1169
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1170	/* This process exited nicely, so print its buffer */
210 by Teddy Hogeborn * debian/mandos-client.postinst: Change home directory to	1171
102 by Teddy Hogeborn * plugin-runner.c (process): Set "completed" and "status" as volatile.	1172	bool bret = print_out_password(proc->buffer,
	1173	proc->buffer_length);
24.1.42 by Björn Påhlsson Added fallback to mandos-client	1174	if(not bret){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	1175	error(0, errno, "print_out_password");
237.2.162 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	1176	exitstatus = EX_IOERR;
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1177	}
24.1.54 by Björn Påhlsson plugin-runner	1178	goto fallback;
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1179	}
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	1180
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1181	/* This process has not completed. Does it have any output? */
237.2.141 by Teddy Hogeborn * mandos (MandosServer): Fixed doc string.	1182	if(proc->eof or not FD_ISSET(proc->fd, &rfds)){ /* Spurious
	1183	warning from
	1184	-Wconversion */
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1185	/* This process had nothing to say at this time */
24.1.92 by Björn Påhlsson Several memory leaks detected by valgrind fixed	1186	proc = proc->next;
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	1187	continue;
	1188	}
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1189	/* Before reading, make the process' data buffer large enough */
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	1190	if(proc->buffer_length + BUFFER_SIZE > proc->buffer_size){
	1191	proc->buffer = realloc(proc->buffer, proc->buffer_size
	1192	+ (size_t) BUFFER_SIZE);
237.2.29 by Teddy Hogeborn * plugin-runner.c: Only space changes.	1193	if(proc->buffer == NULL){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	1194	error(0, errno, "malloc");
237.2.162 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	1195	exitstatus = EX_OSERR;
24.1.54 by Björn Påhlsson plugin-runner	1196	goto fallback;
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	1197	}
	1198	proc->buffer_size += BUFFER_SIZE;
	1199	}
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1200	/* Read from the process */
237.2.125 by Teddy Hogeborn * plugin-runner.c (getplugin, add_environment, main): Handle EINTR	1201	sret = TEMP_FAILURE_RETRY(read(proc->fd,
	1202	proc->buffer
	1203	+ proc->buffer_length,
	1204	BUFFER_SIZE));
237.2.17 by Teddy Hogeborn Eliminate warning on 64-bit systems, thanks to Frans Pop	1205	if(sret < 0){
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1206	/* Read error from this process; ignore the error */
24.1.92 by Björn Påhlsson Several memory leaks detected by valgrind fixed	1207	proc = proc->next;
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	1208	continue;
	1209	}
237.2.17 by Teddy Hogeborn Eliminate warning on 64-bit systems, thanks to Frans Pop	1210	if(sret == 0){
34 by Teddy Hogeborn * plugbasedclient.c (main): Check if plugin dir could be opened. Set	1211	/* got EOF */
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1212	proc->eof = true;
	1213	} else {
237.2.17 by Teddy Hogeborn Eliminate warning on 64-bit systems, thanks to Frans Pop	1214	proc->buffer_length += (size_t) sret;
13 by Björn Påhlsson Added following support:	1215	}
	1216	}
	1217	}
237.2.75 by Teddy Hogeborn * plugin-runner.c: Whitespace changes only.	1218
	1219
24.1.54 by Björn Påhlsson plugin-runner	1220	fallback:
24.1.42 by Björn Påhlsson Added fallback to mandos-client	1221
237.2.162 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	1222	if(plugin_list == NULL or (exitstatus != EXIT_SUCCESS
	1223	and exitstatus != EX_OK)){
102 by Teddy Hogeborn * plugin-runner.c (process): Set "completed" and "status" as volatile.	1224	/* Fallback if all plugins failed, none are found or an error
	1225	occured */
24.1.42 by Björn Påhlsson Added fallback to mandos-client	1226	bool bret;
	1227	fprintf(stderr, "Going to fallback mode using getpass(3)\n");
	1228	char *passwordbuffer = getpass("Password: ");
168 by Teddy Hogeborn * initramfs-tools-hook: Use long options where available. Use only	1229	size_t len = strlen(passwordbuffer);
	1230	/* Strip trailing newline */
	1231	if(len > 0 and passwordbuffer[len-1] == '\n'){
	1232	passwordbuffer[len-1] = '\0'; /* not strictly necessary */
	1233	len--;
	1234	}
	1235	bret = print_out_password(passwordbuffer, len);
24.1.42 by Björn Påhlsson Added fallback to mandos-client	1236	if(not bret){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	1237	error(0, errno, "print_out_password");
237.2.162 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	1238	exitstatus = EX_IOERR;
24.1.42 by Björn Påhlsson Added fallback to mandos-client	1239	}
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1240	}
24.1.42 by Björn Påhlsson Added fallback to mandos-client	1241
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1242	/* Restore old signal handler */
24.1.54 by Björn Påhlsson plugin-runner	1243	ret = sigaction(SIGCHLD, &old_sigchld_action, NULL);
24.1.54 by Björn Påhlsson plugin-runner	1244	if(ret == -1){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	1245	error(0, errno, "sigaction");
237.2.162 by Teddy Hogeborn * Makefile (BROKEN_PIE): Add comment.	1246	exitstatus = EX_OSERR;
24.1.54 by Björn Påhlsson plugin-runner	1247	}
210 by Teddy Hogeborn * debian/mandos-client.postinst: Change home directory to	1248
24.1.54 by Björn Påhlsson plugin-runner	1249	if(custom_argv != NULL){
24.1.67 by Björn Påhlsson transformed a function to a part of main	1250	for(char *arg = custom_argv+1; arg != NULL; arg++){
24.1.54 by Björn Påhlsson plugin-runner	1251	free(*arg);
78 by Teddy Hogeborn Add feature to specify custom environment variables for plugins.	1252	}
24.1.54 by Björn Påhlsson plugin-runner	1253	free(custom_argv);
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1254	}
	1255
	1256	if(dir != NULL){
	1257	closedir(dir);
	1258	}
	1259
210 by Teddy Hogeborn * debian/mandos-client.postinst: Change home directory to	1260	/* Kill the processes */
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	1261	for(plugin *p = plugin_list; p != NULL; p = p->next){
	1262	if(p->pid != 0){
	1263	close(p->fd);
	1264	ret = kill(p->pid, SIGTERM);
	1265	if(ret == -1 and errno != ESRCH){
	1266	/* Set-uid proccesses might not get closed */
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	1267	error(0, errno, "kill");
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	1268	}
24.1.26 by Björn Påhlsson tally count of used symbols	1269	}
13 by Björn Påhlsson Added following support:	1270	}
13 by Björn Påhlsson Added following support:	1271
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1272	/* Wait for any remaining child processes to terminate */
237.2.126 by Teddy Hogeborn * plugin-runner.c: Minor stylistic changes.	1273	do {
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1274	ret = wait(NULL);
	1275	} while(ret >= 0);
	1276	if(errno != ECHILD){
24.1.155 by Björn Påhlsson mandos server: Added debuglevel that adjust at what level information	1277	error(0, errno, "wait");
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1278	}
210 by Teddy Hogeborn * debian/mandos-client.postinst: Change home directory to	1279
24.1.76 by Björn Påhlsson Rearranged so plugins and processes is the same thing	1280	free_plugin_list();
	1281
24.1.69 by Björn Påhlsson added configfile as a optional argument to plugin-runner	1282	free(plugindir);
	1283	free(argfile);
35 by Teddy Hogeborn * plugbasedclient.c (struct process): New fields "eof", "completed",	1284
31 by Teddy Hogeborn * plugins.d/plugbasedclient.c: Update include file comments.	1285	return exitstatus;
13 by Björn Påhlsson Added following support:	1286	}