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source: conf.c @ f95e606

Last change on this file since f95e606 was 50bb490, checked in by Dennis Kaarsemaker <dennis@…>, at 2016-03-25T18:07:53Z

ldap authentication backend

We only support the openldap scheme for now, with users that are
posixAccounts. Moreover, as the plugin cannot be configured directly,
you must configure libldap correctly in /etc/openldap/ldap.conf

Property mode set to 100644

File size: 12.5 KB

Rev	Line
[5ebff60]	1	/********************************************************************\
[b7d3cc34]	2	* BitlBee -- An IRC to other IM-networks gateway *
	3	* *
[c92e6801]	4	* Copyright 2002-2005 Wilmer van der Gaast and others *
[b7d3cc34]	5	\********************************************************************/
	6
	7	/* Configuration reading code */
	8
	9	/*
	10	This program is free software; you can redistribute it and/or modify
	11	it under the terms of the GNU General Public License as published by
	12	the Free Software Foundation; either version 2 of the License, or
	13	(at your option) any later version.
	14
	15	This program is distributed in the hope that it will be useful,
	16	but WITHOUT ANY WARRANTY; without even the implied warranty of
	17	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	18	GNU General Public License for more details.
	19
	20	You should have received a copy of the GNU General Public License with
	21	the Debian GNU/Linux distribution in /usr/share/common-licenses/GPL;
[6f10697]	22	if not, write to the Free Software Foundation, Inc., 51 Franklin St.,
	23	Fifth Floor, Boston, MA 02110-1301 USA
[b7d3cc34]	24	*/
	25
	26	#include "bitlbee.h"
	27
	28	#include <stdio.h>
	29	#include <string.h>
	30	#include <stdlib.h>
	31	#include "conf.h"
	32	#include "ini.h"
	33	#include "url.h"
[54879ab]	34	#include "ipc.h"
[b7d3cc34]	35
[df1694b]	36	#include "proxy.h"
[b7d3cc34]	37
[5ebff60]	38	static int conf_loadini(conf_t conf, char file);
[49f1105]	39	static void conf_free(conf_t *conf);
[b7d3cc34]	40
[5ebff60]	41	conf_t conf_load(int argc, char argv[])
[b7d3cc34]	42	{
	43	conf_t *conf;
[eeb85a8]	44	int opt, i, config_missing = 0;
[5ebff60]	45
	46	conf = g_new0(conf_t, 1);
	47
[aefaac3a]	48	conf->iface_in = NULL;
	49	conf->iface_out = NULL;
[5ebff60]	50	conf->port = g_strdup("6667");
[b7d3cc34]	51	conf->nofork = 0;
	52	conf->verbose = 0;
[5ebff60]	53	conf->primary_storage = g_strdup("xml");
	54	conf->migrate_storage = g_strsplit("text", ",", -1);
[b7d3cc34]	55	conf->runmode = RUNMODE_INETD;
	56	conf->authmode = AUTHMODE_OPEN;
[8e6ecfe]	57	conf->auth_backend = NULL;
[d25f6fc]	58	conf->auth_pass = NULL;
	59	conf->oper_pass = NULL;
[446a23e]	60	conf->allow_account_add = 1;
[5ebff60]	61	conf->configdir = g_strdup(CONFIG);
	62	conf->plugindir = g_strdup(PLUGINDIR);
	63	conf->pidfile = g_strdup(PIDFILE);
	64	conf->motdfile = g_strdup(ETCDIR "/motd.txt");
[b7d3cc34]	65	conf->ping_interval = 180;
	66	conf->ping_timeout = 300;
[aaf92a9]	67	conf->user = NULL;
[a02f34f]	68	conf->ft_max_size = SIZE_MAX;
	69	conf->ft_max_kbps = G_MAXUINT;
	70	conf->ft_listen = NULL;
[90cd6c4]	71	conf->protocols = NULL;
[486ddb5]	72	conf->cafile = NULL;
[f4a5940]	73	proxytype = 0;
[5ebff60]	74
	75	i = conf_loadini(conf, global.conf_file);
	76	if (i == 0) {
	77	fprintf(stderr, "Error: Syntax error in configuration file `%s'.\n", global.conf_file);
[c2969f9]	78	conf_free(conf);
[eeb85a8]	79	return NULL;
[5ebff60]	80	} else if (i == -1) {
	81	config_missing++;
[eeb85a8]	82	/* Whine after parsing the options if there was no -c pointing
	83	at a valid configuration file. */
[b7d3cc34]	84	}
[5ebff60]	85
	86	while (argc > 0 && (opt = getopt(argc, argv, "i:p:P:nvIDFc:d:hu:V")) >= 0) {
	87	/* ^^^^ Just to make sure we skip this step from the REHASH handler. */
	88	if (opt == 'i') {
	89	conf->iface_in = g_strdup(optarg);
	90	} else if (opt == 'p') {
	91	g_free(conf->port);
	92	conf->port = g_strdup(optarg);
	93	} else if (opt == 'P') {
	94	g_free(conf->pidfile);
	95	conf->pidfile = g_strdup(optarg);
	96	} else if (opt == 'n') {
[74c119d]	97	conf->nofork = 1;
[5ebff60]	98	} else if (opt == 'v') {
[74c119d]	99	conf->verbose = 1;
[5ebff60]	100	} else if (opt == 'I') {
[74c119d]	101	conf->runmode = RUNMODE_INETD;
[5ebff60]	102	} else if (opt == 'D') {
[74c119d]	103	conf->runmode = RUNMODE_DAEMON;
[5ebff60]	104	} else if (opt == 'F') {
[74c119d]	105	conf->runmode = RUNMODE_FORKDAEMON;
[5ebff60]	106	} else if (opt == 'c') {
	107	if (strcmp(global.conf_file, optarg) != 0) {
	108	g_free(global.conf_file);
	109	global.conf_file = g_strdup(optarg);
[49f1105]	110	conf_free(conf);
[5ebff60]	111	/* Re-evaluate arguments. Don't use this option twice,
[f4a5940]	112	you'll end up in an infinite loop! Hope this trick
	113	works with all libcs BTW.. */
[74c119d]	114	optind = 1;
[5ebff60]	115	return conf_load(argc, argv);
[b7d3cc34]	116	}
[5ebff60]	117	} else if (opt == 'd') {
	118	g_free(conf->configdir);
	119	conf->configdir = g_strdup(optarg);
	120	} else if (opt == 'h') {
	121	printf("Usage: bitlbee [-D/-F [-i <interface>] [-p <port>] [-n] [-v]] [-I]\n"
	122	" [-c <file>] [-d <dir>] [-x] [-h]\n"
	123	"\n"
	124	"An IRC-to-other-chat-networks gateway\n"
	125	"\n"
	126	" -I Classic/InetD mode. (Default)\n"
	127	" -D Daemon mode. (one process serves all)\n"
	128	" -F Forking daemon. (one process per client)\n"
	129	" -u Run daemon as specified user.\n"
	130	" -P Specify PID-file (not for inetd mode)\n"
	131	" -i Specify the interface (by IP address) to listen on.\n"
	132	" (Default: 0.0.0.0 (any interface))\n"
	133	" -p Port number to listen on. (Default: 6667)\n"
	134	" -n Don't fork.\n"
	135	" -v Be verbose (only works in combination with -n)\n"
	136	" -c Load alternative configuration file\n"
	137	" -d Specify alternative user configuration directory\n"
	138	" -x Command-line interface to password encryption/hashing\n"
	139	" -h Show this help page.\n"
	140	" -V Show version info.\n");
[c2969f9]	141	conf_free(conf);
[3d1481f]	142	return NULL;
[5ebff60]	143	} else if (opt == 'V') {
[2f8e3ca]	144	printf("BitlBee %s\nAPI version %06x\nConfigure args: %s\n",
	145	BITLBEE_VERSION, BITLBEE_VERSION_CODE, BITLBEE_CONFIGURE_ARGS);
[c2969f9]	146	conf_free(conf);
[eeb85a8]	147	return NULL;
[5ebff60]	148	} else if (opt == 'u') {
	149	g_free(conf->user);
	150	conf->user = g_strdup(optarg);
[aaf92a9]	151	}
[b7d3cc34]	152	}
[5ebff60]	153
	154	if (conf->configdir[strlen(conf->configdir) - 1] != '/') {
	155	char *s = g_new(char, strlen(conf->configdir) + 2);
	156
	157	sprintf(s, "%s/", conf->configdir);
	158	g_free(conf->configdir);
[b7d3cc34]	159	conf->configdir = s;
	160	}
[5ebff60]	161
	162	if (config_missing) {
	163	fprintf(stderr, "Warning: Unable to read configuration file `%s'.\n", global.conf_file);
	164	}
	165
	166	if (conf->cafile && access(conf->cafile, R_OK) != 0) {
[af5764e]	167	/* Let's treat this as a serious problem so people won't think
	168	they're secure when in fact they're not. */
[5ebff60]	169	fprintf(stderr, "Error: Could not read CA file %s: %s\n", conf->cafile, strerror(errno));
[c2969f9]	170	conf_free(conf);
[af5764e]	171	return NULL;
	172	}
[5ebff60]	173
[eeb85a8]	174	return conf;
[b7d3cc34]	175	}
	176
[49f1105]	177	static void conf_free(conf_t *conf)
	178	{
	179	/* Free software means users have the four essential freedoms:
	180	0. to run the program,
	181	2. to study and change the program in source code form,
	182	2. to redistribute exact copies, and
	183	3. to distribute modified versions
	184	*/
	185	g_free(conf->auth_pass);
	186	g_free(conf->cafile);
	187	g_free(conf->configdir);
	188	g_free(conf->ft_listen);
	189	g_free(conf->hostname);
	190	g_free(conf->iface_in);
	191	g_free(conf->iface_out);
	192	g_free(conf->motdfile);
	193	g_free(conf->oper_pass);
	194	g_free(conf->pidfile);
	195	g_free(conf->plugindir);
	196	g_free(conf->port);
	197	g_free(conf->primary_storage);
	198	g_free(conf->user);
	199	g_strfreev(conf->migrate_storage);
	200	g_strfreev(conf->protocols);
	201	g_free(conf);
	202
	203	}
	204
[5ebff60]	205	static int conf_loadini(conf_t conf, char file)
[b7d3cc34]	206	{
	207	ini_t *ini;
	208	int i;
[5ebff60]	209
	210	ini = ini_open(file);
	211	if (ini == NULL) {
	212	return -1;
	213	}
	214	while (ini_read(ini)) {
	215	if (g_strcasecmp(ini->section, "settings") == 0) {
	216	if (g_strcasecmp(ini->key, "runmode") == 0) {
	217	if (g_strcasecmp(ini->value, "daemon") == 0) {
[b7d3cc34]	218	conf->runmode = RUNMODE_DAEMON;
[5ebff60]	219	} else if (g_strcasecmp(ini->value, "forkdaemon") == 0) {
[d25f6fc]	220	conf->runmode = RUNMODE_FORKDAEMON;
[5ebff60]	221	} else {
[b7d3cc34]	222	conf->runmode = RUNMODE_INETD;
[5ebff60]	223	}
	224	} else if (g_strcasecmp(ini->key, "pidfile") == 0) {
	225	g_free(conf->pidfile);
	226	conf->pidfile = g_strdup(ini->value);
	227	} else if (g_strcasecmp(ini->key, "daemoninterface") == 0) {
	228	g_free(conf->iface_in);
	229	conf->iface_in = g_strdup(ini->value);
	230	} else if (g_strcasecmp(ini->key, "daemonport") == 0) {
	231	g_free(conf->port);
	232	conf->port = g_strdup(ini->value);
	233	} else if (g_strcasecmp(ini->key, "clientinterface") == 0) {
	234	g_free(conf->iface_out);
	235	conf->iface_out = g_strdup(ini->value);
	236	} else if (g_strcasecmp(ini->key, "authmode") == 0) {
	237	if (g_strcasecmp(ini->value, "registered") == 0) {
[b7d3cc34]	238	conf->authmode = AUTHMODE_REGISTERED;
[5ebff60]	239	} else if (g_strcasecmp(ini->value, "closed") == 0) {
[b7d3cc34]	240	conf->authmode = AUTHMODE_CLOSED;
[5ebff60]	241	} else {
[b7d3cc34]	242	conf->authmode = AUTHMODE_OPEN;
[5ebff60]	243	}
[8e6ecfe]	244	} else if (g_strcasecmp(ini->key, "authbackend") == 0) {
	245	if (g_strcasecmp(ini->value, "storage") == 0) {
	246	conf->auth_backend = NULL;
[50bb490]	247	} else if (g_strcasecmp(ini->value, "pam") == 0 \|\|
	248	g_strcasecmp(ini->value, "ldap") == 0) {
[a6005da]	249	g_free(conf->auth_backend);
	250	conf->auth_backend = g_strdup(ini->value);
[8e6ecfe]	251	} else {
	252	fprintf(stderr, "Invalid %s value: %s\n", ini->key, ini->value);
	253	return 0;
	254	}
[5ebff60]	255	} else if (g_strcasecmp(ini->key, "authpassword") == 0) {
	256	g_free(conf->auth_pass);
	257	conf->auth_pass = g_strdup(ini->value);
	258	} else if (g_strcasecmp(ini->key, "operpassword") == 0) {
	259	g_free(conf->oper_pass);
	260	conf->oper_pass = g_strdup(ini->value);
[446a23e]	261	} else if (g_strcasecmp(ini->key, "allowaccountadd") == 0) {
	262	if (!is_bool(ini->value)) {
	263	fprintf(stderr, "Invalid %s value: %s\n", ini->key, ini->value);
	264	return 0;
	265	}
	266	conf->allow_account_add = bool2int(ini->value);
[5ebff60]	267	} else if (g_strcasecmp(ini->key, "hostname") == 0) {
	268	g_free(conf->hostname);
	269	conf->hostname = g_strdup(ini->value);
	270	} else if (g_strcasecmp(ini->key, "configdir") == 0) {
	271	g_free(conf->configdir);
	272	conf->configdir = g_strdup(ini->value);
[34d16d5]	273	} else if (g_strcasecmp(ini->key, "plugindir") == 0) {
	274	g_free(conf->plugindir);
	275	conf->plugindir = g_strdup(ini->value);
[5ebff60]	276	} else if (g_strcasecmp(ini->key, "motdfile") == 0) {
	277	g_free(conf->motdfile);
	278	conf->motdfile = g_strdup(ini->value);
	279	} else if (g_strcasecmp(ini->key, "account_storage") == 0) {
	280	g_free(conf->primary_storage);
	281	conf->primary_storage = g_strdup(ini->value);
	282	} else if (g_strcasecmp(ini->key, "account_storage_migrate") == 0) {
	283	g_strfreev(conf->migrate_storage);
	284	conf->migrate_storage = g_strsplit_set(ini->value, " \t,;", -1);
	285	} else if (g_strcasecmp(ini->key, "pinginterval") == 0) {
	286	if (sscanf(ini->value, "%d", &i) != 1) {
	287	fprintf(stderr, "Invalid %s value: %s\n", ini->key, ini->value);
[eeb85a8]	288	return 0;
[b7d3cc34]	289	}
	290	conf->ping_interval = i;
[5ebff60]	291	} else if (g_strcasecmp(ini->key, "pingtimeout") == 0) {
	292	if (sscanf(ini->value, "%d", &i) != 1) {
	293	fprintf(stderr, "Invalid %s value: %s\n", ini->key, ini->value);
[eeb85a8]	294	return 0;
[b7d3cc34]	295	}
	296	conf->ping_timeout = i;
[5ebff60]	297	} else if (g_strcasecmp(ini->key, "proxy") == 0) {
	298	url_t *url = g_new0(url_t, 1);
	299
	300	if (!url_set(url, ini->value)) {
	301	fprintf(stderr, "Invalid %s value: %s\n", ini->key, ini->value);
	302	g_free(url);
[eeb85a8]	303	return 0;
[b7d3cc34]	304	}
[5ebff60]	305
	306	strncpy(proxyhost, url->host, sizeof(proxyhost));
	307	strncpy(proxyuser, url->user, sizeof(proxyuser));
	308	strncpy(proxypass, url->pass, sizeof(proxypass));
[b7d3cc34]	309	proxyport = url->port;
[5ebff60]	310	if (url->proto == PROTO_HTTP) {
[b7d3cc34]	311	proxytype = PROXY_HTTP;
[5ebff60]	312	} else if (url->proto == PROTO_SOCKS4) {
[b7d3cc34]	313	proxytype = PROXY_SOCKS4;
[5ebff60]	314	} else if (url->proto == PROTO_SOCKS5) {
[b7d3cc34]	315	proxytype = PROXY_SOCKS5;
[12f041d]	316	} else if (url->proto == PROTO_SOCKS4A) {
	317	proxytype = PROXY_SOCKS4A;
[5ebff60]	318	}
	319
	320	g_free(url);
	321	} else if (g_strcasecmp(ini->key, "user") == 0) {
	322	g_free(conf->user);
	323	conf->user = g_strdup(ini->value);
	324	} else if (g_strcasecmp(ini->key, "ft_max_size") == 0) {
[a02f34f]	325	size_t ft_max_size;
[5ebff60]	326	if (sscanf(ini->value, "%zu", &ft_max_size) != 1) {
	327	fprintf(stderr, "Invalid %s value: %s\n", ini->key, ini->value);
[a02f34f]	328	return 0;
	329	}
	330	conf->ft_max_size = ft_max_size;
[5ebff60]	331	} else if (g_strcasecmp(ini->key, "ft_max_kbps") == 0) {
	332	if (sscanf(ini->value, "%d", &i) != 1) {
	333	fprintf(stderr, "Invalid %s value: %s\n", ini->key, ini->value);
[a02f34f]	334	return 0;
	335	}
	336	conf->ft_max_kbps = i;
[5ebff60]	337	} else if (g_strcasecmp(ini->key, "ft_listen") == 0) {
	338	g_free(conf->ft_listen);
	339	conf->ft_listen = g_strdup(ini->value);
	340	} else if (g_strcasecmp(ini->key, "protocols") == 0) {
	341	g_strfreev(conf->protocols);
	342	conf->protocols = g_strsplit_set(ini->value, " \t,;", -1);
	343	} else if (g_strcasecmp(ini->key, "cafile") == 0) {
	344	g_free(conf->cafile);
	345	conf->cafile = g_strdup(ini->value);
	346	} else {
	347	fprintf(stderr, "Error: Unknown setting `%s` in configuration file (line %d).\n",
	348	ini->key, ini->line);
[eeb85a8]	349	return 0;
[b7d3cc34]	350	/* For now just ignore unknown keys... */
	351	}
[5ebff60]	352	} else if (g_strcasecmp(ini->section, "defaults") != 0) {
	353	fprintf(stderr, "Error: Unknown section [%s] in configuration file (line %d). "
	354	"BitlBee configuration must be put in a [settings] section!\n", ini->section,
	355	ini->line);
[eeb85a8]	356	return 0;
[b7d3cc34]	357	}
	358	}
[5ebff60]	359	ini_close(ini);
	360
[eeb85a8]	361	return 1;
[b7d3cc34]	362	}
	363
[5ebff60]	364	void conf_loaddefaults(irc_t *irc)
[b7d3cc34]	365	{
	366	ini_t *ini;
[5ebff60]	367
	368	ini = ini_open(global.conf_file);
	369	if (ini == NULL) {
	370	return;
	371	}
	372	while (ini_read(ini)) {
	373	if (g_strcasecmp(ini->section, "defaults") == 0) {
	374	set_t *s = set_find(&irc->b->set, ini->key);
	375
	376	if (s) {
	377	if (s->def) {
	378	g_free(s->def);
	379	}
	380	s->def = g_strdup(ini->value);
[b7d3cc34]	381	}
	382	}
	383	}
[5ebff60]	384	ini_close(ini);
[b7d3cc34]	385	}

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