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 | static void conf_free(conf_t *conf); |
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40 | |
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41 | conf_t *conf_load(int argc, char *argv[]) |
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42 | { |
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43 | conf_t *conf; |
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44 | int opt, i, config_missing = 0; |
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45 | int version_happened = 0; |
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46 | |
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47 | conf = g_new0(conf_t, 1); |
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48 | |
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49 | conf->iface_in = NULL; |
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50 | conf->iface_out = NULL; |
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51 | conf->port = g_strdup("6667"); |
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52 | conf->nofork = 0; |
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53 | conf->verbose = 0; |
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54 | conf->primary_storage = g_strdup("xml"); |
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55 | conf->migrate_storage = g_strsplit("text", ",", -1); |
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56 | conf->runmode = RUNMODE_INETD; |
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57 | conf->authmode = AUTHMODE_OPEN; |
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58 | conf->auth_backend = NULL; |
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59 | conf->auth_pass = NULL; |
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60 | conf->oper_pass = NULL; |
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61 | conf->allow_account_add = 1; |
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62 | conf->configdir = g_strdup(CONFIG); |
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63 | conf->plugindir = g_strdup(PLUGINDIR); |
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64 | conf->pidfile = g_strdup(PIDFILE); |
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65 | conf->motdfile = g_strdup(ETCDIR "/motd.txt"); |
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66 | conf->ping_interval = 180; |
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67 | conf->ping_timeout = 300; |
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68 | conf->user = NULL; |
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69 | conf->ft_max_size = SIZE_MAX; |
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70 | conf->ft_max_kbps = G_MAXUINT; |
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71 | conf->ft_listen = NULL; |
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72 | conf->protocols = NULL; |
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73 | conf->cafile = NULL; |
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74 | proxytype = 0; |
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75 | |
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76 | i = conf_loadini(conf, global.conf_file); |
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77 | if (i == 0) { |
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78 | fprintf(stderr, "Error: Syntax error in configuration file `%s'.\n", global.conf_file); |
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79 | conf_free(conf); |
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80 | return NULL; |
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81 | } else if (i == -1) { |
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82 | config_missing++; |
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83 | /* Whine after parsing the options if there was no -c pointing |
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84 | at a *valid* configuration file. */ |
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85 | } |
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86 | |
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87 | while (argc > 0 && (opt = getopt(argc, argv, "i:p:P:nvIDFc:d:hu:V")) >= 0) { |
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88 | /* ^^^^ Just to make sure we skip this step from the REHASH handler. */ |
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89 | if (opt == 'i') { |
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90 | conf->iface_in = g_strdup(optarg); |
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91 | } else if (opt == 'p') { |
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92 | g_free(conf->port); |
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93 | conf->port = g_strdup(optarg); |
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94 | } else if (opt == 'P') { |
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95 | g_free(conf->pidfile); |
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96 | conf->pidfile = g_strdup(optarg); |
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97 | } else if (opt == 'n') { |
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98 | conf->nofork = 1; |
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99 | } else if (opt == 'v') { |
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100 | conf->verbose = 1; |
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101 | } else if (opt == 'I') { |
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102 | conf->runmode = RUNMODE_INETD; |
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103 | } else if (opt == 'D') { |
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104 | conf->runmode = RUNMODE_DAEMON; |
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105 | } else if (opt == 'F') { |
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106 | conf->runmode = RUNMODE_FORKDAEMON; |
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107 | } else if (opt == 'c') { |
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108 | if (strcmp(global.conf_file, optarg) != 0) { |
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109 | g_free(global.conf_file); |
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110 | global.conf_file = g_strdup(optarg); |
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111 | conf_free(conf); |
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112 | /* Re-evaluate arguments. Don't use this option twice, |
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113 | you'll end up in an infinite loop! Hope this trick |
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114 | works with all libcs BTW.. */ |
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115 | optind = 1; |
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116 | return conf_load(argc, argv); |
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117 | } |
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118 | } else if (opt == 'd') { |
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119 | g_free(conf->configdir); |
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120 | conf->configdir = g_strdup(optarg); |
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121 | } else if (opt == 'h') { |
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122 | printf("Usage: bitlbee [-D/-F [-i <interface>] [-p <port>] [-n] [-v]] [-I]\n" |
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123 | " [-c <file>] [-d <dir>] [-x] [-h]\n" |
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124 | "\n" |
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125 | "An IRC-to-other-chat-networks gateway\n" |
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126 | "\n" |
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127 | " -I Classic/InetD mode. (Default)\n" |
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128 | " -D Daemon mode. (one process serves all)\n" |
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129 | " -F Forking daemon. (one process per client)\n" |
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130 | " -u Run daemon as specified user.\n" |
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131 | " -P Specify PID-file (not for inetd mode)\n" |
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132 | " -i Specify the interface (by IP address) to listen on.\n" |
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133 | " (Default: 0.0.0.0 (any interface))\n" |
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134 | " -p Port number to listen on. (Default: 6667)\n" |
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135 | " -n Don't fork.\n" |
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136 | " -v Be verbose (only works in combination with -n)\n" |
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137 | " -c Load alternative configuration file\n" |
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138 | " -d Specify alternative user configuration directory\n" |
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139 | " -x Command-line interface to password encryption/hashing\n" |
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140 | " -h Show this help page.\n" |
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141 | " -V Show version info.\n"); |
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142 | conf_free(conf); |
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143 | return NULL; |
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144 | } else if (opt == 'V') { |
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145 | printf("BitlBee %s\n", BITLBEE_VERSION); |
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146 | /* the rest of the version string is displayed below, for ld -vvv compatibility*/ |
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147 | version_happened = TRUE; |
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148 | } else if (opt == 'u') { |
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149 | g_free(conf->user); |
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150 | conf->user = g_strdup(optarg); |
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151 | } |
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152 | } |
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153 | |
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154 | if (version_happened) { |
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155 | printf("API version %06x\nConfigure args: %s\n", |
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156 | BITLBEE_VERSION_CODE, BITLBEE_CONFIGURE_ARGS); |
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157 | conf_free(conf); |
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158 | return NULL; |
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159 | } |
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160 | |
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161 | if (conf->configdir[strlen(conf->configdir) - 1] != '/') { |
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162 | char *s = g_new(char, strlen(conf->configdir) + 2); |
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163 | |
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164 | sprintf(s, "%s/", conf->configdir); |
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165 | g_free(conf->configdir); |
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166 | conf->configdir = s; |
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167 | } |
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168 | |
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169 | if (config_missing) { |
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170 | fprintf(stderr, "Warning: Unable to read configuration file `%s'.\n", global.conf_file); |
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171 | } |
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172 | |
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173 | if (conf->cafile && access(conf->cafile, R_OK) != 0) { |
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174 | /* Let's treat this as a serious problem so people won't think |
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175 | they're secure when in fact they're not. */ |
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176 | fprintf(stderr, "Error: Could not read CA file %s: %s\n", conf->cafile, strerror(errno)); |
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177 | conf_free(conf); |
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178 | return NULL; |
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179 | } |
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180 | |
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181 | return conf; |
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182 | } |
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183 | |
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184 | static void conf_free(conf_t *conf) |
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185 | { |
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186 | /* Free software means users have the four essential freedoms: |
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187 | 0. to run the program, |
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188 | 2. to study and change the program in source code form, |
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189 | 2. to redistribute exact copies, and |
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190 | 3. to distribute modified versions |
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191 | */ |
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192 | g_free(conf->auth_pass); |
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193 | g_free(conf->cafile); |
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194 | g_free(conf->configdir); |
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195 | g_free(conf->ft_listen); |
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196 | g_free(conf->hostname); |
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197 | g_free(conf->iface_in); |
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198 | g_free(conf->iface_out); |
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199 | g_free(conf->motdfile); |
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200 | g_free(conf->oper_pass); |
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201 | g_free(conf->pidfile); |
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202 | g_free(conf->plugindir); |
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203 | g_free(conf->port); |
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204 | g_free(conf->primary_storage); |
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205 | g_free(conf->user); |
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206 | g_strfreev(conf->migrate_storage); |
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207 | g_strfreev(conf->protocols); |
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208 | g_free(conf); |
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209 | |
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210 | } |
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211 | |
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212 | static int conf_loadini(conf_t *conf, char *file) |
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213 | { |
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214 | ini_t *ini; |
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215 | int i; |
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216 | |
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217 | ini = ini_open(file); |
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218 | if (ini == NULL) { |
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219 | return -1; |
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220 | } |
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221 | while (ini_read(ini)) { |
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222 | if (g_strcasecmp(ini->section, "settings") == 0) { |
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223 | if (g_strcasecmp(ini->key, "runmode") == 0) { |
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224 | if (g_strcasecmp(ini->value, "daemon") == 0) { |
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225 | conf->runmode = RUNMODE_DAEMON; |
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226 | } else if (g_strcasecmp(ini->value, "forkdaemon") == 0) { |
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227 | conf->runmode = RUNMODE_FORKDAEMON; |
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228 | } else { |
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229 | conf->runmode = RUNMODE_INETD; |
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230 | } |
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231 | } else if (g_strcasecmp(ini->key, "pidfile") == 0) { |
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232 | g_free(conf->pidfile); |
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233 | conf->pidfile = g_strdup(ini->value); |
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234 | } else if (g_strcasecmp(ini->key, "daemoninterface") == 0) { |
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235 | g_free(conf->iface_in); |
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236 | conf->iface_in = g_strdup(ini->value); |
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237 | } else if (g_strcasecmp(ini->key, "daemonport") == 0) { |
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238 | g_free(conf->port); |
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239 | conf->port = g_strdup(ini->value); |
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240 | } else if (g_strcasecmp(ini->key, "clientinterface") == 0) { |
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241 | g_free(conf->iface_out); |
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242 | conf->iface_out = g_strdup(ini->value); |
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243 | } else if (g_strcasecmp(ini->key, "authmode") == 0) { |
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244 | if (g_strcasecmp(ini->value, "registered") == 0) { |
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245 | conf->authmode = AUTHMODE_REGISTERED; |
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246 | } else if (g_strcasecmp(ini->value, "closed") == 0) { |
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247 | conf->authmode = AUTHMODE_CLOSED; |
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248 | } else { |
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249 | conf->authmode = AUTHMODE_OPEN; |
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250 | } |
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251 | } else if (g_strcasecmp(ini->key, "authbackend") == 0) { |
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252 | if (g_strcasecmp(ini->value, "storage") == 0) { |
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253 | conf->auth_backend = NULL; |
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254 | } else if (g_strcasecmp(ini->value, "pam") == 0 || |
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255 | g_strcasecmp(ini->value, "ldap") == 0) { |
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256 | g_free(conf->auth_backend); |
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257 | conf->auth_backend = g_strdup(ini->value); |
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258 | } else { |
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259 | fprintf(stderr, "Invalid %s value: %s\n", ini->key, ini->value); |
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260 | return 0; |
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261 | } |
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262 | } else if (g_strcasecmp(ini->key, "authpassword") == 0) { |
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263 | g_free(conf->auth_pass); |
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264 | conf->auth_pass = g_strdup(ini->value); |
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265 | } else if (g_strcasecmp(ini->key, "operpassword") == 0) { |
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266 | g_free(conf->oper_pass); |
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267 | conf->oper_pass = g_strdup(ini->value); |
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268 | } else if (g_strcasecmp(ini->key, "allowaccountadd") == 0) { |
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269 | if (!is_bool(ini->value)) { |
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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->allow_account_add = bool2int(ini->value); |
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274 | } else if (g_strcasecmp(ini->key, "hostname") == 0) { |
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275 | g_free(conf->hostname); |
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276 | conf->hostname = g_strdup(ini->value); |
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277 | } else if (g_strcasecmp(ini->key, "configdir") == 0) { |
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278 | g_free(conf->configdir); |
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279 | conf->configdir = g_strdup(ini->value); |
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280 | } else if (g_strcasecmp(ini->key, "plugindir") == 0) { |
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281 | g_free(conf->plugindir); |
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282 | conf->plugindir = g_strdup(ini->value); |
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283 | } else if (g_strcasecmp(ini->key, "motdfile") == 0) { |
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284 | g_free(conf->motdfile); |
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285 | conf->motdfile = g_strdup(ini->value); |
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286 | } else if (g_strcasecmp(ini->key, "accountstorage") == 0 || |
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287 | g_strcasecmp(ini->key, "account_storage") == 0) { |
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288 | g_free(conf->primary_storage); |
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289 | conf->primary_storage = g_strdup(ini->value); |
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290 | } else if (g_strcasecmp(ini->key, "accountstoragemigrate") == 0 || |
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291 | g_strcasecmp(ini->key, "account_storage_migrate") == 0) { |
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292 | g_strfreev(conf->migrate_storage); |
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293 | conf->migrate_storage = g_strsplit_set(ini->value, " \t,;", -1); |
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294 | } else if (g_strcasecmp(ini->key, "pinginterval") == 0) { |
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295 | if (sscanf(ini->value, "%d", &i) != 1) { |
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296 | fprintf(stderr, "Invalid %s value: %s\n", ini->key, ini->value); |
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297 | return 0; |
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298 | } |
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299 | conf->ping_interval = i; |
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300 | } else if (g_strcasecmp(ini->key, "pingtimeout") == 0) { |
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301 | if (sscanf(ini->value, "%d", &i) != 1) { |
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302 | fprintf(stderr, "Invalid %s value: %s\n", ini->key, ini->value); |
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303 | return 0; |
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304 | } |
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305 | conf->ping_timeout = i; |
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306 | } else if (g_strcasecmp(ini->key, "proxy") == 0) { |
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307 | url_t *url = g_new0(url_t, 1); |
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308 | |
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309 | if (!url_set(url, ini->value)) { |
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310 | fprintf(stderr, "Invalid %s value: %s\n", ini->key, ini->value); |
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311 | g_free(url); |
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312 | return 0; |
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313 | } |
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314 | |
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315 | strncpy(proxyhost, url->host, sizeof(proxyhost)); |
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316 | strncpy(proxyuser, url->user, sizeof(proxyuser)); |
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317 | strncpy(proxypass, url->pass, sizeof(proxypass)); |
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318 | proxyport = url->port; |
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319 | if (url->proto == PROTO_HTTP) { |
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320 | proxytype = PROXY_HTTP; |
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321 | } else if (url->proto == PROTO_SOCKS4) { |
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322 | proxytype = PROXY_SOCKS4; |
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323 | } else if (url->proto == PROTO_SOCKS5) { |
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324 | proxytype = PROXY_SOCKS5; |
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325 | } else if (url->proto == PROTO_SOCKS4A) { |
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326 | proxytype = PROXY_SOCKS4A; |
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327 | } |
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328 | |
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329 | g_free(url); |
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330 | } else if (g_strcasecmp(ini->key, "user") == 0) { |
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331 | g_free(conf->user); |
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332 | conf->user = g_strdup(ini->value); |
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333 | } else if (g_strcasecmp(ini->key, "ft_max_size") == 0) { |
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334 | size_t ft_max_size; |
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335 | if (sscanf(ini->value, "%zu", &ft_max_size) != 1) { |
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336 | fprintf(stderr, "Invalid %s value: %s\n", ini->key, ini->value); |
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337 | return 0; |
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338 | } |
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339 | conf->ft_max_size = ft_max_size; |
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340 | } else if (g_strcasecmp(ini->key, "ft_max_kbps") == 0) { |
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341 | if (sscanf(ini->value, "%d", &i) != 1) { |
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342 | fprintf(stderr, "Invalid %s value: %s\n", ini->key, ini->value); |
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343 | return 0; |
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344 | } |
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345 | conf->ft_max_kbps = i; |
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346 | } else if (g_strcasecmp(ini->key, "ft_listen") == 0) { |
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347 | g_free(conf->ft_listen); |
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348 | conf->ft_listen = g_strdup(ini->value); |
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349 | } else if (g_strcasecmp(ini->key, "protocols") == 0) { |
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350 | g_strfreev(conf->protocols); |
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351 | conf->protocols = g_strsplit_set(ini->value, " \t,;", -1); |
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352 | } else if (g_strcasecmp(ini->key, "cafile") == 0) { |
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353 | g_free(conf->cafile); |
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354 | conf->cafile = g_strdup(ini->value); |
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355 | } else { |
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356 | fprintf(stderr, "Error: Unknown setting `%s` in configuration file (line %d).\n", |
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357 | ini->key, ini->line); |
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358 | return 0; |
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359 | /* For now just ignore unknown keys... */ |
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360 | } |
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361 | } else if (g_strcasecmp(ini->section, "defaults") != 0) { |
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362 | fprintf(stderr, "Error: Unknown section [%s] in configuration file (line %d). " |
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363 | "BitlBee configuration must be put in a [settings] section!\n", ini->section, |
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364 | ini->line); |
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365 | return 0; |
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366 | } |
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367 | } |
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368 | ini_close(ini); |
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369 | |
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370 | return 1; |
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371 | } |
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372 | |
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373 | void conf_loaddefaults(irc_t *irc) |
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374 | { |
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375 | ini_t *ini; |
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376 | |
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377 | ini = ini_open(global.conf_file); |
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378 | if (ini == NULL) { |
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379 | return; |
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380 | } |
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381 | while (ini_read(ini)) { |
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382 | if (g_strcasecmp(ini->section, "defaults") == 0) { |
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383 | set_t *s = set_find(&irc->b->set, ini->key); |
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384 | |
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385 | if (s) { |
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386 | if (s->def) { |
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387 | g_free(s->def); |
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388 | } |
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389 | s->def = g_strdup(ini->value); |
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390 | } |
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391 | } |
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392 | } |
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393 | ini_close(ini); |
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394 | } |
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