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