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source: conf.c @ f93fd2d

Last change on this file since f93fd2d was af5764e, checked in by Wilmer van der Gaast <wilmer@…>, at 2011-12-19T17:23:28Z
Refuse to start if cafile points at an unreadable file, to avoid silent cert verification failures.
Property mode set to `100644`
File size: 11.2 KB

Rev	Line
[b7d3cc34]	1	/********************************************************************\
	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;
	22	if not, write to the Free Software Foundation, Inc., 59 Temple Place,
	23	Suite 330, Boston, MA 02111-1307 USA
	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
	38	static int conf_loadini( conf_t conf, char file );
	39
	40	conf_t conf_load( int argc, char argv[] )
	41	{
	42	conf_t *conf;
[eeb85a8]	43	int opt, i, config_missing = 0;
[b7d3cc34]	44
	45	conf = g_new0( conf_t, 1 );
	46
[aefaac3a]	47	conf->iface_in = NULL;
	48	conf->iface_out = NULL;
[d75597b]	49	conf->port = g_strdup( "6667" );
[b7d3cc34]	50	conf->nofork = 0;
	51	conf->verbose = 0;
[d75597b]	52	conf->primary_storage = g_strdup( "xml" );
[00ab350]	53	conf->migrate_storage = g_strsplit( "text", ",", -1 );
[b7d3cc34]	54	conf->runmode = RUNMODE_INETD;
	55	conf->authmode = AUTHMODE_OPEN;
[d25f6fc]	56	conf->auth_pass = NULL;
	57	conf->oper_pass = NULL;
[b7d3cc34]	58	conf->configdir = g_strdup( CONFIG );
[4bfca70]	59	conf->plugindir = g_strdup( PLUGINDIR );
[7e0af53]	60	conf->pidfile = g_strdup( PIDFILE );
[b7d3cc34]	61	conf->motdfile = g_strdup( ETCDIR "/motd.txt" );
	62	conf->ping_interval = 180;
	63	conf->ping_timeout = 300;
[aaf92a9]	64	conf->user = NULL;
[a02f34f]	65	conf->ft_max_size = SIZE_MAX;
	66	conf->ft_max_kbps = G_MAXUINT;
	67	conf->ft_listen = NULL;
[90cd6c4]	68	conf->protocols = NULL;
[486ddb5]	69	conf->cafile = NULL;
[f4a5940]	70	proxytype = 0;
[b7d3cc34]	71
[eeb85a8]	72	i = conf_loadini( conf, global.conf_file );
[b7d3cc34]	73	if( i == 0 )
	74	{
[eeb85a8]	75	fprintf( stderr, "Error: Syntax error in configuration file `%s'.\n", global.conf_file );
	76	return NULL;
[b7d3cc34]	77	}
	78	else if( i == -1 )
	79	{
[eeb85a8]	80	config_missing ++;
	81	/* Whine after parsing the options if there was no -c pointing
	82	at a valid configuration file. */
[b7d3cc34]	83	}
	84
[daae10f]	85	while( argc > 0 && ( opt = getopt( argc, argv, "i:p:P:nvIDFc:d:hu:V" ) ) >= 0 )
[f4a5940]	86	/* ^^^^ Just to make sure we skip this step from the REHASH handler. */
[b7d3cc34]	87	{
	88	if( opt == 'i' )
	89	{
[aefaac3a]	90	conf->iface_in = g_strdup( optarg );
[b7d3cc34]	91	}
	92	else if( opt == 'p' )
	93	{
[e9b755e]	94	g_free( conf->port );
	95	conf->port = g_strdup( optarg );
[b7d3cc34]	96	}
[dd89a55]	97	else if( opt == 'P' )
[34b17d9]	98	{
	99	g_free( conf->pidfile );
	100	conf->pidfile = g_strdup( optarg );
	101	}
[b7d3cc34]	102	else if( opt == 'n' )
[74c119d]	103	conf->nofork = 1;
[b7d3cc34]	104	else if( opt == 'v' )
[74c119d]	105	conf->verbose = 1;
[b7d3cc34]	106	else if( opt == 'I' )
[74c119d]	107	conf->runmode = RUNMODE_INETD;
[b7d3cc34]	108	else if( opt == 'D' )
[74c119d]	109	conf->runmode = RUNMODE_DAEMON;
[d25f6fc]	110	else if( opt == 'F' )
[74c119d]	111	conf->runmode = RUNMODE_FORKDAEMON;
[b7d3cc34]	112	else if( opt == 'c' )
	113	{
[eeb85a8]	114	if( strcmp( global.conf_file, optarg ) != 0 )
[b7d3cc34]	115	{
[eeb85a8]	116	g_free( global.conf_file );
	117	global.conf_file = g_strdup( optarg );
[b7d3cc34]	118	g_free( conf );
[f4a5940]	119	/* Re-evaluate arguments. Don't use this option twice,
	120	you'll end up in an infinite loop! Hope this trick
	121	works with all libcs BTW.. */
[74c119d]	122	optind = 1;
[eeb85a8]	123	return conf_load( argc, argv );
[b7d3cc34]	124	}
	125	}
	126	else if( opt == 'd' )
	127	{
	128	g_free( conf->configdir );
	129	conf->configdir = g_strdup( optarg );
	130	}
	131	else if( opt == 'h' )
	132	{
[d4589cb]	133	printf( "Usage: bitlbee [-D/-F [-i <interface>] [-p <port>] [-n] [-v]] [-I]\n"
[7c9db24]	134	" [-c <file>] [-d <dir>] [-x] [-h]\n"
[b7d3cc34]	135	"\n"
	136	"An IRC-to-other-chat-networks gateway\n"
	137	"\n"
	138	" -I Classic/InetD mode. (Default)\n"
[de8e584]	139	" -D Daemon mode. (one process serves all)\n"
[d25f6fc]	140	" -F Forking daemon. (one process per client)\n"
[aaf92a9]	141	" -u Run daemon as specified user.\n"
[7cf85e7]	142	" -P Specify PID-file (not for inetd mode)\n"
[b7d3cc34]	143	" -i Specify the interface (by IP address) to listen on.\n"
	144	" (Default: 0.0.0.0 (any interface))\n"
	145	" -p Port number to listen on. (Default: 6667)\n"
	146	" -n Don't fork.\n"
	147	" -v Be verbose (only works in combination with -n)\n"
	148	" -c Load alternative configuration file\n"
	149	" -d Specify alternative user configuration directory\n"
[7c9db24]	150	" -x Command-line interface to password encryption/hashing\n"
[3d1481f]	151	" -h Show this help page.\n"
	152	" -V Show version info.\n" );
	153	return NULL;
	154	}
	155	else if( opt == 'V' )
	156	{
	157	printf( "BitlBee %s\nAPI version %06x\n",
	158	BITLBEE_VERSION, BITLBEE_VERSION_CODE );
[eeb85a8]	159	return NULL;
[b7d3cc34]	160	}
[aaf92a9]	161	else if( opt == 'u' )
	162	{
	163	g_free( conf->user );
	164	conf->user = g_strdup( optarg );
	165	}
[b7d3cc34]	166	}
	167
	168	if( conf->configdir[strlen(conf->configdir)-1] != '/' )
	169	{
	170	char *s = g_new( char, strlen( conf->configdir ) + 2 );
	171
	172	sprintf( s, "%s/", conf->configdir );
	173	g_free( conf->configdir );
	174	conf->configdir = s;
	175	}
	176
[eeb85a8]	177	if( config_missing )
	178	fprintf( stderr, "Warning: Unable to read configuration file `%s'.\n", global.conf_file );
	179
[af5764e]	180	if( conf->cafile && access( conf->cafile, R_OK ) != 0 )
	181	{
	182	/* Let's treat this as a serious problem so people won't think
	183	they're secure when in fact they're not. */
	184	fprintf( stderr, "Error: Could not read CA file %s: %s\n", conf->cafile, strerror( errno ) );
	185	return NULL;
	186	}
	187
[eeb85a8]	188	return conf;
[b7d3cc34]	189	}
	190
	191	static int conf_loadini( conf_t conf, char file )
	192	{
	193	ini_t *ini;
	194	int i;
	195
	196	ini = ini_open( file );
[eeb85a8]	197	if( ini == NULL ) return -1;
[b7d3cc34]	198	while( ini_read( ini ) )
	199	{
	200	if( g_strcasecmp( ini->section, "settings" ) == 0 )
	201	{
	202	if( g_strcasecmp( ini->key, "runmode" ) == 0 )
	203	{
	204	if( g_strcasecmp( ini->value, "daemon" ) == 0 )
	205	conf->runmode = RUNMODE_DAEMON;
[d25f6fc]	206	else if( g_strcasecmp( ini->value, "forkdaemon" ) == 0 )
	207	conf->runmode = RUNMODE_FORKDAEMON;
[b7d3cc34]	208	else
	209	conf->runmode = RUNMODE_INETD;
	210	}
[34b17d9]	211	else if( g_strcasecmp( ini->key, "pidfile" ) == 0 )
	212	{
	213	g_free( conf->pidfile );
	214	conf->pidfile = g_strdup( ini->value );
	215	}
[b7d3cc34]	216	else if( g_strcasecmp( ini->key, "daemoninterface" ) == 0 )
	217	{
[aefaac3a]	218	g_free( conf->iface_in );
	219	conf->iface_in = g_strdup( ini->value );
[b7d3cc34]	220	}
	221	else if( g_strcasecmp( ini->key, "daemonport" ) == 0 )
	222	{
[aaf92a9]	223	g_free( conf->port );
[e9b755e]	224	conf->port = g_strdup( ini->value );
[b7d3cc34]	225	}
[aefaac3a]	226	else if( g_strcasecmp( ini->key, "clientinterface" ) == 0 )
	227	{
	228	g_free( conf->iface_out );
	229	conf->iface_out = g_strdup( ini->value );
	230	}
[b7d3cc34]	231	else if( g_strcasecmp( ini->key, "authmode" ) == 0 )
	232	{
	233	if( g_strcasecmp( ini->value, "registered" ) == 0 )
	234	conf->authmode = AUTHMODE_REGISTERED;
	235	else if( g_strcasecmp( ini->value, "closed" ) == 0 )
	236	conf->authmode = AUTHMODE_CLOSED;
	237	else
	238	conf->authmode = AUTHMODE_OPEN;
	239	}
	240	else if( g_strcasecmp( ini->key, "authpassword" ) == 0 )
	241	{
[aaf92a9]	242	g_free( conf->auth_pass );
[d25f6fc]	243	conf->auth_pass = g_strdup( ini->value );
	244	}
	245	else if( g_strcasecmp( ini->key, "operpassword" ) == 0 )
	246	{
[aaf92a9]	247	g_free( conf->oper_pass );
[d25f6fc]	248	conf->oper_pass = g_strdup( ini->value );
[b7d3cc34]	249	}
	250	else if( g_strcasecmp( ini->key, "hostname" ) == 0 )
	251	{
[aaf92a9]	252	g_free( conf->hostname );
[b7d3cc34]	253	conf->hostname = g_strdup( ini->value );
	254	}
	255	else if( g_strcasecmp( ini->key, "configdir" ) == 0 )
	256	{
	257	g_free( conf->configdir );
	258	conf->configdir = g_strdup( ini->value );
	259	}
	260	else if( g_strcasecmp( ini->key, "motdfile" ) == 0 )
	261	{
	262	g_free( conf->motdfile );
	263	conf->motdfile = g_strdup( ini->value );
[1ee6c18]	264	}
[b73ac9c]	265	else if( g_strcasecmp( ini->key, "account_storage" ) == 0 )
[1ee6c18]	266	{
[b73ac9c]	267	g_free( conf->primary_storage );
	268	conf->primary_storage = g_strdup( ini->value );
	269	}
	270	else if( g_strcasecmp( ini->key, "account_storage_migrate" ) == 0 )
	271	{
	272	g_strfreev( conf->migrate_storage );
[dd14ecc]	273	conf->migrate_storage = g_strsplit_set( ini->value, " \t,;", -1 );
[b7d3cc34]	274	}
	275	else if( g_strcasecmp( ini->key, "pinginterval" ) == 0 )
	276	{
	277	if( sscanf( ini->value, "%d", &i ) != 1 )
	278	{
	279	fprintf( stderr, "Invalid %s value: %s\n", ini->key, ini->value );
[eeb85a8]	280	return 0;
[b7d3cc34]	281	}
	282	conf->ping_interval = i;
	283	}
	284	else if( g_strcasecmp( ini->key, "pingtimeout" ) == 0 )
	285	{
	286	if( sscanf( ini->value, "%d", &i ) != 1 )
	287	{
	288	fprintf( stderr, "Invalid %s value: %s\n", ini->key, ini->value );
[eeb85a8]	289	return 0;
[b7d3cc34]	290	}
	291	conf->ping_timeout = i;
	292	}
	293	else if( g_strcasecmp( ini->key, "proxy" ) == 0 )
	294	{
	295	url_t *url = g_new0( url_t, 1 );
	296
	297	if( !url_set( url, ini->value ) )
	298	{
	299	fprintf( stderr, "Invalid %s value: %s\n", ini->key, ini->value );
	300	g_free( url );
[eeb85a8]	301	return 0;
[b7d3cc34]	302	}
	303
	304	strncpy( proxyhost, url->host, sizeof( proxyhost ) );
	305	strncpy( proxyuser, url->user, sizeof( proxyuser ) );
	306	strncpy( proxypass, url->pass, sizeof( proxypass ) );
	307	proxyport = url->port;
	308	if( url->proto == PROTO_HTTP )
	309	proxytype = PROXY_HTTP;
	310	else if( url->proto == PROTO_SOCKS4 )
	311	proxytype = PROXY_SOCKS4;
	312	else if( url->proto == PROTO_SOCKS5 )
	313	proxytype = PROXY_SOCKS5;
	314
	315	g_free( url );
	316	}
[aaf92a9]	317	else if( g_strcasecmp( ini->key, "user" ) == 0 )
	318	{
	319	g_free( conf->user );
	320	conf->user = g_strdup( ini->value );
	321	}
[a02f34f]	322	else if( g_strcasecmp( ini->key, "ft_max_size" ) == 0 )
	323	{
	324	size_t ft_max_size;
	325	if( sscanf( ini->value, "%zu", &ft_max_size ) != 1 )
	326	{
	327	fprintf( stderr, "Invalid %s value: %s\n", ini->key, ini->value );
	328	return 0;
	329	}
	330	conf->ft_max_size = ft_max_size;
	331	}
	332	else if( g_strcasecmp( ini->key, "ft_max_kbps" ) == 0 )
	333	{
	334	if( sscanf( ini->value, "%d", &i ) != 1 )
	335	{
	336	fprintf( stderr, "Invalid %s value: %s\n", ini->key, ini->value );
	337	return 0;
	338	}
	339	conf->ft_max_kbps = i;
	340	}
	341	else if( g_strcasecmp( ini->key, "ft_listen" ) == 0 )
	342	{
	343	g_free( conf->ft_listen );
	344	conf->ft_listen = g_strdup( ini->value );
	345	}
[90cd6c4]	346	else if( g_strcasecmp( ini->key, "protocols" ) == 0 )
	347	{
	348	g_strfreev( conf->protocols );
	349	conf->protocols = g_strsplit_set( ini->value, " \t,;", -1 );
	350	}
[486ddb5]	351	else if( g_strcasecmp( ini->key, "cafile" ) == 0 )
	352	{
	353	g_free( conf->cafile );
	354	conf->cafile = g_strdup( ini->value );
	355	}
[b7d3cc34]	356	else
	357	{
[489f996]	358	fprintf( stderr, "Error: Unknown setting `%s` in configuration file (line %d).\n", ini->key, ini->line );
[eeb85a8]	359	return 0;
[b7d3cc34]	360	/* For now just ignore unknown keys... */
	361	}
	362	}
	363	else if( g_strcasecmp( ini->section, "defaults" ) != 0 )
	364	{
[489f996]	365	fprintf( stderr, "Error: Unknown section [%s] in configuration file (line %d). "
	366	"BitlBee configuration must be put in a [settings] section!\n", ini->section, ini->line );
[eeb85a8]	367	return 0;
[b7d3cc34]	368	}
	369	}
	370	ini_close( ini );
	371
[eeb85a8]	372	return 1;
[b7d3cc34]	373	}
	374
	375	void conf_loaddefaults( irc_t *irc )
	376	{
	377	ini_t *ini;
	378
[eeb85a8]	379	ini = ini_open( global.conf_file );
[b7d3cc34]	380	if( ini == NULL ) return;
	381	while( ini_read( ini ) )
	382	{
	383	if( g_strcasecmp( ini->section, "defaults" ) == 0 )
	384	{
[3ddb7477]	385	set_t *s = set_find( &irc->b->set, ini->key );
[b7d3cc34]	386
	387	if( s )
	388	{
	389	if( s->def ) g_free( s->def );
	390	s->def = g_strdup( ini->value );
	391	}
	392	}
	393	}
	394	ini_close( ini );
	395	}

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