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 2002-2004 Wilmer van der Gaast and others * |
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5 | \********************************************************************/ |
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6 | |
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7 | /* The big hairy IRCd part of the project */ |
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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., 59 Temple Place, |
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23 | Suite 330, Boston, MA 02111-1307 USA |
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24 | */ |
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25 | |
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26 | #define BITLBEE_CORE |
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27 | #include "bitlbee.h" |
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28 | #include "crypting.h" |
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29 | |
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30 | static gboolean irc_userping( gpointer _irc ); |
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31 | |
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32 | GSList *irc_connection_list = NULL; |
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33 | |
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34 | static char *passchange (irc_t *irc, void *set, char *value) |
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35 | { |
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36 | irc_setpass (irc, value); |
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37 | return (NULL); |
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38 | } |
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39 | |
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40 | irc_t *irc_new( int fd ) |
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41 | { |
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42 | irc_t *irc; |
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43 | struct hostent *peer; |
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44 | unsigned int i; |
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45 | char buf[128]; |
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46 | #ifdef IPV6 |
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47 | struct sockaddr_in6 sock[1]; |
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48 | #else |
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49 | struct sockaddr_in sock[1]; |
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50 | #endif |
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51 | |
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52 | irc = g_new0( irc_t, 1 ); |
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53 | |
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54 | irc->fd = fd; |
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55 | irc->io_channel = g_io_channel_unix_new( fd ); |
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56 | #ifdef GLIB2 |
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57 | g_io_channel_set_encoding (irc->io_channel, NULL, NULL); |
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58 | g_io_channel_set_buffered (irc->io_channel, FALSE); |
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59 | g_io_channel_set_flags( irc->io_channel, G_IO_FLAG_NONBLOCK, NULL ); |
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60 | #else |
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61 | fcntl( irc->fd, F_SETFL, O_NONBLOCK); |
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62 | #endif |
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63 | irc->r_watch_source_id = g_io_add_watch( irc->io_channel, G_IO_IN | G_IO_ERR | G_IO_HUP, bitlbee_io_current_client_read, irc ); |
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64 | |
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65 | irc->status = USTATUS_OFFLINE; |
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66 | irc->last_pong = gettime(); |
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67 | |
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68 | irc->userhash = g_hash_table_new( g_str_hash, g_str_equal ); |
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69 | irc->watches = g_hash_table_new( g_str_hash, g_str_equal ); |
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70 | |
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71 | strcpy( irc->umode, UMODE ); |
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72 | irc->mynick = g_strdup( ROOT_NICK ); |
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73 | irc->channel = g_strdup( ROOT_CHAN ); |
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74 | |
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75 | i = sizeof( *sock ); |
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76 | |
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77 | if( global.conf->hostname ) |
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78 | irc->myhost = g_strdup( global.conf->hostname ); |
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79 | #ifdef IPV6 |
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80 | else if( getsockname( irc->fd, (struct sockaddr*) sock, &i ) == 0 && sock->sin6_family == AF_INETx ) |
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81 | { |
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82 | if( ( peer = gethostbyaddr( (char*) &sock->sin6_addr, sizeof( sock->sin6_addr ), AF_INETx ) ) ) |
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83 | irc->myhost = g_strdup( peer->h_name ); |
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84 | else if( inet_ntop( AF_INETx, &sock->sin6_addr, buf, sizeof( buf ) - 1 ) != NULL ) |
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85 | irc->myhost = g_strdup( ipv6_unwrap( buf ) ); |
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86 | } |
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87 | #else |
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88 | else if( getsockname( irc->fd, (struct sockaddr*) sock, &i ) == 0 && sock->sin_family == AF_INETx ) |
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89 | { |
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90 | if( ( peer = gethostbyaddr( (char*) &sock->sin_addr, sizeof( sock->sin_addr ), AF_INETx ) ) ) |
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91 | irc->myhost = g_strdup( peer->h_name ); |
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92 | else if( inet_ntop( AF_INETx, &sock->sin_addr, buf, sizeof( buf ) - 1 ) != NULL ) |
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93 | irc->myhost = g_strdup( buf ); |
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94 | } |
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95 | #endif |
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96 | |
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97 | i = sizeof( *sock ); |
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98 | #ifdef IPV6 |
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99 | if( getpeername( irc->fd, (struct sockaddr*) sock, &i ) == 0 && sock->sin6_family == AF_INETx ) |
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100 | { |
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101 | if( ( peer = gethostbyaddr( (char*) &sock->sin6_addr, sizeof( sock->sin6_addr ), AF_INETx ) ) ) |
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102 | irc->host = g_strdup( peer->h_name ); |
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103 | else if( inet_ntop( AF_INETx, &sock->sin6_addr, buf, sizeof( buf ) - 1 ) != NULL ) |
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104 | irc->host = g_strdup( ipv6_unwrap( buf ) ); |
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105 | } |
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106 | #else |
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107 | if( getpeername( irc->fd, (struct sockaddr*) sock, &i ) == 0 && sock->sin_family == AF_INETx ) |
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108 | { |
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109 | if( ( peer = gethostbyaddr( (char*) &sock->sin_addr, sizeof( sock->sin_addr ), AF_INETx ) ) ) |
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110 | irc->host = g_strdup( peer->h_name ); |
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111 | else if( inet_ntop( AF_INETx, &sock->sin_addr, buf, sizeof( buf ) - 1 ) != NULL ) |
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112 | irc->host = g_strdup( buf ); |
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113 | } |
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114 | #endif |
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115 | |
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116 | /* Rare, but possible. */ |
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117 | if( !irc->host ) irc->host = g_strdup( "localhost." ); |
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118 | if( !irc->myhost ) irc->myhost = g_strdup( "localhost." ); |
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119 | |
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120 | if( global.conf->ping_interval > 0 && global.conf->ping_timeout > 0 ) |
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121 | irc->ping_source_id = g_timeout_add( global.conf->ping_interval * 1000, irc_userping, irc ); |
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122 | |
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123 | irc_write( irc, ":%s NOTICE AUTH :%s", irc->myhost, "BitlBee-IRCd initialized, please go on" ); |
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124 | |
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125 | irc_connection_list = g_slist_append( irc_connection_list, irc ); |
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126 | |
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127 | set_add( irc, "away_devoice", "true", set_eval_away_devoice ); |
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128 | set_add( irc, "auto_connect", "true", set_eval_bool ); |
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129 | set_add( irc, "auto_reconnect", "false", set_eval_bool ); |
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130 | set_add( irc, "auto_reconnect_delay", "300", set_eval_int ); |
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131 | set_add( irc, "buddy_sendbuffer", "false", set_eval_bool ); |
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132 | set_add( irc, "buddy_sendbuffer_delay", "200", set_eval_int ); |
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133 | set_add( irc, "charset", "iso8859-1", set_eval_charset ); |
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134 | set_add( irc, "debug", "false", set_eval_bool ); |
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135 | set_add( irc, "default_target", "root", NULL ); |
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136 | set_add( irc, "display_namechanges", "false", set_eval_bool ); |
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137 | set_add( irc, "handle_unknown", "root", NULL ); |
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138 | set_add( irc, "lcnicks", "true", set_eval_bool ); |
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139 | set_add( irc, "ops", "both", set_eval_ops ); |
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140 | set_add( irc, "private", "true", set_eval_bool ); |
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141 | set_add( irc, "query_order", "lifo", NULL ); |
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142 | set_add( irc, "save_on_quit", "true", set_eval_bool ); |
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143 | set_add( irc, "strip_html", "true", NULL ); |
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144 | set_add( irc, "to_char", ": ", set_eval_to_char ); |
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145 | set_add( irc, "typing_notice", "false", set_eval_bool ); |
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146 | set_add( irc, "password", NULL, passchange); |
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147 | |
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148 | conf_loaddefaults( irc ); |
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149 | |
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150 | return( irc ); |
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151 | } |
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152 | |
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153 | static gboolean irc_free_userhash( gpointer key, gpointer value, gpointer data ) |
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154 | { |
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155 | g_free( key ); |
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156 | |
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157 | return( TRUE ); |
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158 | } |
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159 | |
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160 | /* Because we have no garbage collection, this is quite annoying */ |
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161 | void irc_free(irc_t * irc) |
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162 | { |
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163 | account_t *account, *accounttmp; |
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164 | user_t *user, *usertmp; |
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165 | nick_t *nick, *nicktmp; |
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166 | help_t *helpnode, *helpnodetmp; |
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167 | set_t *setnode, *setnodetmp; |
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168 | |
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169 | log_message( LOGLVL_INFO, "Destroying connection with fd %d", irc->fd ); |
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170 | |
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171 | if( irc->status >= USTATUS_IDENTIFIED && set_getint( irc, "save_on_quit" ) ) |
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172 | if( storage_save( irc, TRUE ) != STORAGE_OK ) |
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173 | irc_usermsg( irc, "Error while saving settings!" ); |
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174 | |
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175 | if( irc->ping_source_id > 0 ) |
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176 | g_source_remove( irc->ping_source_id ); |
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177 | g_source_remove( irc->r_watch_source_id ); |
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178 | if( irc->w_watch_source_id > 0 ) |
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179 | g_source_remove( irc->w_watch_source_id ); |
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180 | |
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181 | g_io_channel_unref( irc->io_channel ); |
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182 | irc_connection_list = g_slist_remove( irc_connection_list, irc ); |
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183 | |
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184 | for (account = irc->accounts; account; account = account->next) |
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185 | if (account->gc) |
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186 | signoff(account->gc); |
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187 | |
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188 | g_free(irc->sendbuffer); |
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189 | g_free(irc->readbuffer); |
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190 | |
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191 | g_free(irc->nick); |
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192 | g_free(irc->user); |
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193 | g_free(irc->host); |
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194 | g_free(irc->realname); |
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195 | g_free(irc->password); |
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196 | |
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197 | g_free(irc->myhost); |
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198 | g_free(irc->mynick); |
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199 | |
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200 | g_free(irc->channel); |
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201 | |
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202 | while (irc->queries != NULL) |
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203 | query_del(irc, irc->queries); |
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204 | |
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205 | if (irc->accounts != NULL) { |
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206 | account = irc->accounts; |
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207 | while (account != NULL) { |
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208 | g_free(account->user); |
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209 | g_free(account->pass); |
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210 | g_free(account->server); |
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211 | accounttmp = account; |
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212 | account = account->next; |
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213 | g_free(accounttmp); |
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214 | } |
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215 | } |
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216 | |
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217 | if (irc->users != NULL) { |
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218 | user = irc->users; |
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219 | while (user != NULL) { |
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220 | g_free(user->nick); |
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221 | g_free(user->away); |
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222 | g_free(user->handle); |
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223 | if(user->user!=user->nick) g_free(user->user); |
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224 | if(user->host!=user->nick) g_free(user->host); |
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225 | if(user->realname!=user->nick) g_free(user->realname); |
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226 | gaim_input_remove(user->sendbuf_timer); |
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227 | |
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228 | usertmp = user; |
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229 | user = user->next; |
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230 | g_free(usertmp); |
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231 | } |
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232 | } |
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233 | |
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234 | g_hash_table_foreach_remove(irc->userhash, irc_free_userhash, NULL); |
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235 | g_hash_table_destroy(irc->userhash); |
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236 | |
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237 | g_hash_table_foreach_remove(irc->watches, irc_free_userhash, NULL); |
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238 | g_hash_table_destroy(irc->watches); |
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239 | |
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240 | if (irc->nicks != NULL) { |
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241 | nick = irc->nicks; |
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242 | while (nick != NULL) { |
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243 | g_free(nick->nick); |
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244 | g_free(nick->handle); |
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245 | |
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246 | nicktmp = nick; |
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247 | nick = nick->next; |
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248 | g_free(nicktmp); |
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249 | } |
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250 | } |
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251 | if (irc->help != NULL) { |
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252 | helpnode = irc->help; |
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253 | while (helpnode != NULL) { |
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254 | g_free(helpnode->string); |
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255 | |
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256 | helpnodetmp = helpnode; |
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257 | helpnode = helpnode->next; |
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258 | g_free(helpnodetmp); |
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259 | } |
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260 | } |
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261 | if (irc->set != NULL) { |
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262 | setnode = irc->set; |
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263 | while (setnode != NULL) { |
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264 | g_free(setnode->key); |
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265 | g_free(setnode->def); |
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266 | g_free(setnode->value); |
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267 | |
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268 | setnodetmp = setnode; |
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269 | setnode = setnode->next; |
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270 | g_free(setnodetmp); |
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271 | } |
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272 | } |
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273 | g_free(irc); |
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274 | |
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275 | if( global.conf->runmode == RUNMODE_INETD || global.conf->runmode == RUNMODE_FORKDAEMON ) |
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276 | g_main_quit( global.loop ); |
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277 | } |
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278 | |
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279 | /* USE WITH CAUTION! |
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280 | Sets pass without checking */ |
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281 | void irc_setpass (irc_t *irc, const char *pass) |
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282 | { |
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283 | if (irc->password) g_free (irc->password); |
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284 | |
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285 | if (pass) { |
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286 | irc->password = g_strdup (pass); |
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287 | irc_usermsg (irc, "Password successfully changed"); |
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288 | } else { |
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289 | irc->password = NULL; |
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290 | } |
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291 | } |
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292 | |
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293 | int irc_process( irc_t *irc ) |
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294 | { |
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295 | char **lines, *temp, **cmd; |
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296 | int i; |
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297 | |
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298 | if( irc->readbuffer != NULL ) |
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299 | { |
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300 | lines = irc_tokenize( irc->readbuffer ); |
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301 | |
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302 | for( i = 0; *lines[i] != '\0'; i ++ ) |
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303 | { |
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304 | if( lines[i+1] == NULL ) |
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305 | { |
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306 | temp = g_strdup( lines[i] ); |
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307 | g_free( irc->readbuffer ); |
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308 | irc->readbuffer = temp; |
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309 | i ++; |
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310 | break; |
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311 | } |
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312 | |
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313 | if( ( cmd = irc_parse_line( irc, lines[i] ) ) == NULL ) |
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314 | continue; |
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315 | if( !irc_exec( irc, cmd ) ) |
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316 | { |
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317 | g_free( cmd ); |
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318 | g_free( lines ); |
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319 | return 0; |
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320 | } |
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321 | |
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322 | g_free( cmd ); |
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323 | } |
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324 | |
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325 | if( lines[i] != NULL ) |
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326 | { |
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327 | g_free( irc->readbuffer ); |
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328 | irc->readbuffer = NULL; |
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329 | } |
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330 | |
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331 | g_free( lines ); |
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332 | } |
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333 | |
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334 | return 1; |
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335 | } |
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336 | |
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337 | char **irc_tokenize( char *buffer ) |
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338 | { |
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339 | int i, j; |
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340 | char **lines; |
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341 | |
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342 | /* Count the number of elements we're gonna need. */ |
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343 | for( i = 0, j = 1; buffer[i] != '\0'; i ++ ) |
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344 | { |
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345 | if( buffer[i] == '\n' ) |
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346 | if( buffer[i+1] != '\r' && buffer[i+1] != '\n' ) |
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347 | j ++; |
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348 | } |
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349 | |
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350 | /* Allocate j+1 elements. */ |
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351 | lines = g_new( char *, j + 1 ); |
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352 | |
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353 | /* NULL terminate our list. */ |
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354 | lines[j] = NULL; |
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355 | |
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356 | lines[0] = buffer; |
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357 | |
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358 | /* Split the buffer in several strings, using \r\n as our seperator, where \r is optional. |
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359 | * Although this is not in the RFC, some braindead ircds (newnet's) use this, so some clients might too. |
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360 | */ |
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361 | for( i = 0, j = 0; buffer[i] != '\0'; i ++) |
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362 | { |
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363 | if( buffer[i] == '\n' ) |
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364 | { |
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365 | buffer[i] = '\0'; |
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366 | |
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367 | if( i > 0 && buffer[i-1] == '\r' ) |
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368 | buffer[i-1] = '\0'; |
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369 | if( buffer[i+1] != '\r' && buffer[i+1] != '\n' ) |
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370 | lines[++j] = buffer + i + 1; |
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371 | } |
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372 | } |
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373 | |
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374 | return( lines ); |
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375 | } |
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376 | |
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377 | char **irc_parse_line( irc_t *irc, char *line ) |
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378 | { |
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379 | int i, j; |
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380 | char **cmd; |
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381 | |
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382 | /* Move the line pointer to the start of the command, skipping spaces and the optional prefix. */ |
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383 | if( line[0] == ':' ) |
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384 | { |
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385 | for( i = 0; line[i] != ' '; i ++ ); |
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386 | line = line + i; |
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387 | } |
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388 | for( i = 0; line[i] == ' '; i ++ ); |
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389 | line = line + i; |
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390 | |
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391 | /* If we're already at the end of the line, return. If not, we're going to need at least one element. */ |
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392 | if( line[0] == '\0') |
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393 | return NULL; |
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394 | |
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395 | /* Count the number of char **cmd elements we're going to need. */ |
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396 | j = 1; |
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397 | for( i = 0; line[i] != '\0'; i ++ ) |
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398 | { |
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399 | if( line[i] == ' ' ) |
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400 | { |
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401 | j ++; |
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402 | |
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403 | if( line[i+1] == ':' ) |
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404 | break; |
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405 | } |
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406 | } |
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407 | |
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408 | /* Allocate the space we need. */ |
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409 | cmd = g_new( char *, j + 1 ); |
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410 | cmd[j] = NULL; |
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411 | |
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412 | /* Do the actual line splitting, format is: |
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413 | * Input: "PRIVMSG #bitlbee :foo bar" |
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414 | * Output: cmd[0]=="PRIVMSG", cmd[1]=="#bitlbee", cmd[2]=="foo bar", cmd[3]==NULL |
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415 | */ |
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416 | |
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417 | cmd[0] = line; |
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418 | for( i = 0, j = 0; line[i] != '\0'; i ++ ) |
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419 | { |
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420 | if( line[i] == ' ' ) |
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421 | { |
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422 | line[i] = '\0'; |
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423 | cmd[++j] = line + i + 1; |
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424 | |
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425 | if( line[i+1] == ':' ) |
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426 | { |
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427 | cmd[j] ++; |
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428 | break; |
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429 | } |
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430 | } |
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431 | } |
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432 | |
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433 | return cmd; |
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434 | } |
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435 | |
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436 | void irc_reply( irc_t *irc, int code, char *format, ... ) |
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437 | { |
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438 | char text[IRC_MAX_LINE]; |
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439 | va_list params; |
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440 | |
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441 | va_start( params, format ); |
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442 | g_vsnprintf( text, IRC_MAX_LINE, format, params ); |
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443 | va_end( params ); |
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444 | irc_write( irc, ":%s %03d %s %s", irc->myhost, code, irc->nick?irc->nick:"*", text ); |
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445 | |
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446 | return; |
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447 | } |
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448 | |
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449 | int irc_usermsg( irc_t *irc, char *format, ... ) |
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450 | { |
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451 | char text[1024]; |
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452 | va_list params; |
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453 | char is_private = 0; |
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454 | user_t *u; |
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455 | |
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456 | u = user_find( irc, irc->mynick ); |
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457 | if( u ) is_private = u->is_private; |
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458 | |
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459 | va_start( params, format ); |
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460 | g_vsnprintf( text, sizeof( text ), format, params ); |
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461 | va_end( params ); |
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462 | |
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463 | return( irc_msgfrom( irc, u->nick, text ) ); |
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464 | } |
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465 | |
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466 | void irc_write( irc_t *irc, char *format, ... ) |
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467 | { |
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468 | va_list params; |
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469 | |
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470 | va_start( params, format ); |
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471 | irc_vawrite( irc, format, params ); |
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472 | va_end( params ); |
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473 | |
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474 | return; |
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475 | |
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476 | } |
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477 | |
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478 | void irc_vawrite( irc_t *irc, char *format, va_list params ) |
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479 | { |
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480 | int size; |
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481 | char line[IRC_MAX_LINE]; |
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482 | |
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483 | if( irc->quit ) |
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484 | return; |
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485 | |
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486 | g_vsnprintf( line, IRC_MAX_LINE - 3, format, params ); |
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487 | |
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488 | strip_newlines( line ); |
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489 | strcat( line, "\r\n" ); |
---|
490 | |
---|
491 | if( irc->sendbuffer != NULL ) { |
---|
492 | size = strlen( irc->sendbuffer ) + strlen( line ); |
---|
493 | irc->sendbuffer = g_renew ( char, irc->sendbuffer, size + 1 ); |
---|
494 | strcpy( ( irc->sendbuffer + strlen( irc->sendbuffer ) ), line ); |
---|
495 | } |
---|
496 | else |
---|
497 | irc->sendbuffer = g_strdup(line); |
---|
498 | |
---|
499 | if( irc->w_watch_source_id == 0 ) |
---|
500 | { |
---|
501 | irc->w_watch_source_id = g_io_add_watch( irc->io_channel, G_IO_OUT, bitlbee_io_current_client_write, irc ); |
---|
502 | } |
---|
503 | |
---|
504 | return; |
---|
505 | } |
---|
506 | |
---|
507 | void irc_write_all( int now, char *format, ... ) |
---|
508 | { |
---|
509 | va_list params; |
---|
510 | GSList *temp; |
---|
511 | |
---|
512 | va_start( params, format ); |
---|
513 | |
---|
514 | temp = irc_connection_list; |
---|
515 | while( temp != NULL ) |
---|
516 | { |
---|
517 | irc_t *irc = temp->data; |
---|
518 | |
---|
519 | if( now ) |
---|
520 | { |
---|
521 | g_free( irc->sendbuffer ); |
---|
522 | irc->sendbuffer = g_strdup( "\r\n" ); |
---|
523 | } |
---|
524 | irc_vawrite( temp->data, format, params ); |
---|
525 | if( now ) |
---|
526 | { |
---|
527 | bitlbee_io_current_client_write( irc->io_channel, G_IO_OUT, irc ); |
---|
528 | } |
---|
529 | temp = temp->next; |
---|
530 | } |
---|
531 | |
---|
532 | va_end( params ); |
---|
533 | return; |
---|
534 | } |
---|
535 | |
---|
536 | void irc_names( irc_t *irc, char *channel ) |
---|
537 | { |
---|
538 | user_t *u = irc->users; |
---|
539 | char *s; |
---|
540 | int control = ( g_strcasecmp( channel, irc->channel ) == 0 ); |
---|
541 | struct conversation *c = NULL; |
---|
542 | |
---|
543 | if( !control ) |
---|
544 | c = conv_findchannel( channel ); |
---|
545 | |
---|
546 | /* RFC's say there is no error reply allowed on NAMES, so when the |
---|
547 | channel is invalid, just give an empty reply. */ |
---|
548 | |
---|
549 | if( control || c ) while( u ) |
---|
550 | { |
---|
551 | if( u->online ) |
---|
552 | { |
---|
553 | if( u->gc && control ) |
---|
554 | { |
---|
555 | if( set_getint( irc, "away_devoice" ) && !u->away ) |
---|
556 | s = "+"; |
---|
557 | else |
---|
558 | s = ""; |
---|
559 | |
---|
560 | irc_reply( irc, 353, "@ %s :%s%s", channel, s, u->nick ); |
---|
561 | } |
---|
562 | else if( !u->gc ) |
---|
563 | { |
---|
564 | if( strcmp( u->nick, irc->mynick ) == 0 && ( strcmp( set_getstr( irc, "ops" ), "root" ) == 0 || strcmp( set_getstr( irc, "ops" ), "both" ) == 0 ) ) |
---|
565 | s = "@"; |
---|
566 | else if( strcmp( u->nick, irc->nick ) == 0 && ( strcmp( set_getstr( irc, "ops" ), "user" ) == 0 || strcmp( set_getstr( irc, "ops" ), "both" ) == 0 ) ) |
---|
567 | s = "@"; |
---|
568 | else |
---|
569 | s = ""; |
---|
570 | |
---|
571 | irc_reply( irc, 353, "@ %s :%s%s", channel, s, u->nick ); |
---|
572 | } |
---|
573 | } |
---|
574 | |
---|
575 | u = u->next; |
---|
576 | } |
---|
577 | |
---|
578 | /* For non-controlchannel channels (group conversations) only root and |
---|
579 | you are listed now. Time to show the channel people: */ |
---|
580 | if( !control && c ) |
---|
581 | { |
---|
582 | GList *l; |
---|
583 | |
---|
584 | for( l = c->in_room; l; l = l->next ) |
---|
585 | if( ( u = user_findhandle( c->gc, l->data ) ) ) |
---|
586 | irc_reply( irc, 353, "@ %s :%s%s", channel, "", u->nick ); |
---|
587 | } |
---|
588 | |
---|
589 | irc_reply( irc, 366, "%s :End of /NAMES list", channel ); |
---|
590 | } |
---|
591 | |
---|
592 | int irc_check_login( irc_t *irc ) |
---|
593 | { |
---|
594 | if( irc->user && irc->nick ) |
---|
595 | { |
---|
596 | if( global.conf->authmode == AUTHMODE_CLOSED && irc->status < USTATUS_AUTHORIZED ) |
---|
597 | { |
---|
598 | irc_reply( irc, 464, ":This server is password-protected." ); |
---|
599 | return 0; |
---|
600 | } |
---|
601 | else |
---|
602 | { |
---|
603 | irc_login( irc ); |
---|
604 | return 1; |
---|
605 | } |
---|
606 | } |
---|
607 | else |
---|
608 | { |
---|
609 | /* More information needed. */ |
---|
610 | return 0; |
---|
611 | } |
---|
612 | } |
---|
613 | |
---|
614 | void irc_login( irc_t *irc ) |
---|
615 | { |
---|
616 | user_t *u; |
---|
617 | |
---|
618 | irc_reply( irc, 1, ":Welcome to the BitlBee gateway, %s", irc->nick ); |
---|
619 | irc_reply( irc, 2, ":Host %s is running BitlBee " BITLBEE_VERSION " " ARCH "/" CPU ".", irc->myhost ); |
---|
620 | irc_reply( irc, 3, ":%s", IRCD_INFO ); |
---|
621 | irc_reply( irc, 4, "%s %s %s %s", irc->myhost, BITLBEE_VERSION, UMODES UMODES_PRIV, CMODES ); |
---|
622 | irc_reply( irc, 5, "PREFIX=(ov)@+ CHANTYPES=#& CHANMODES=,,,%s NICKLEN=%d NETWORK=BitlBee CASEMAPPING=rfc1459 MAXTARGETS=1 WATCH=128 :are supported by this server", CMODES, MAX_NICK_LENGTH - 1 ); |
---|
623 | irc_motd( irc ); |
---|
624 | irc_umode_set( irc, "+" UMODE, 1 ); |
---|
625 | |
---|
626 | u = user_add( irc, irc->mynick ); |
---|
627 | u->host = g_strdup( irc->myhost ); |
---|
628 | u->realname = g_strdup( ROOT_FN ); |
---|
629 | u->online = 1; |
---|
630 | u->send_handler = root_command_string; |
---|
631 | u->is_private = 0; /* [SH] The channel is root's personal playground. */ |
---|
632 | irc_spawn( irc, u ); |
---|
633 | |
---|
634 | u = user_add( irc, NS_NICK ); |
---|
635 | u->host = g_strdup( irc->myhost ); |
---|
636 | u->realname = g_strdup( ROOT_FN ); |
---|
637 | u->online = 0; |
---|
638 | u->send_handler = root_command_string; |
---|
639 | u->is_private = 1; /* [SH] NickServ is not in the channel, so should always /query. */ |
---|
640 | |
---|
641 | u = user_add( irc, irc->nick ); |
---|
642 | u->user = g_strdup( irc->user ); |
---|
643 | u->host = g_strdup( irc->host ); |
---|
644 | u->realname = g_strdup( irc->realname ); |
---|
645 | u->online = 1; |
---|
646 | // u->send_handler = msg_echo; |
---|
647 | irc_spawn( irc, u ); |
---|
648 | |
---|
649 | irc_usermsg( irc, "Welcome to the BitlBee gateway!\n\nIf you've never used BitlBee before, please do read the help information using the \x02help\x02 command. Lots of FAQ's are answered there." ); |
---|
650 | |
---|
651 | irc->status = USTATUS_LOGGED_IN; |
---|
652 | } |
---|
653 | |
---|
654 | void irc_motd( irc_t *irc ) |
---|
655 | { |
---|
656 | int fd; |
---|
657 | |
---|
658 | fd = open( global.conf->motdfile, O_RDONLY ); |
---|
659 | if( fd == -1 ) |
---|
660 | { |
---|
661 | irc_reply( irc, 422, ":We don't need MOTDs." ); |
---|
662 | } |
---|
663 | else |
---|
664 | { |
---|
665 | char linebuf[80]; /* Max. line length for MOTD's is 79 chars. It's what most IRC networks seem to do. */ |
---|
666 | char *add, max; |
---|
667 | int len; |
---|
668 | |
---|
669 | linebuf[79] = len = 0; |
---|
670 | max = sizeof( linebuf ) - 1; |
---|
671 | |
---|
672 | irc_reply( irc, 375, ":- %s Message Of The Day - ", irc->myhost ); |
---|
673 | while( read( fd, linebuf + len, 1 ) == 1 ) |
---|
674 | { |
---|
675 | if( linebuf[len] == '\n' || len == max ) |
---|
676 | { |
---|
677 | linebuf[len] = 0; |
---|
678 | irc_reply( irc, 372, ":- %s", linebuf ); |
---|
679 | len = 0; |
---|
680 | } |
---|
681 | else if( linebuf[len] == '%' ) |
---|
682 | { |
---|
683 | read( fd, linebuf + len, 1 ); |
---|
684 | if( linebuf[len] == 'h' ) |
---|
685 | add = irc->myhost; |
---|
686 | else if( linebuf[len] == 'v' ) |
---|
687 | add = BITLBEE_VERSION; |
---|
688 | else if( linebuf[len] == 'n' ) |
---|
689 | add = irc->nick; |
---|
690 | else |
---|
691 | add = "%"; |
---|
692 | |
---|
693 | strncpy( linebuf + len, add, max - len ); |
---|
694 | while( linebuf[++len] ); |
---|
695 | } |
---|
696 | else if( len < max ) |
---|
697 | { |
---|
698 | len ++; |
---|
699 | } |
---|
700 | } |
---|
701 | irc_reply( irc, 376, ":End of MOTD" ); |
---|
702 | closesocket( fd ); |
---|
703 | } |
---|
704 | } |
---|
705 | |
---|
706 | void irc_topic( irc_t *irc, char *channel ) |
---|
707 | { |
---|
708 | if( g_strcasecmp( channel, irc->channel ) == 0 ) |
---|
709 | { |
---|
710 | irc_reply( irc, 332, "%s :%s", channel, CONTROL_TOPIC ); |
---|
711 | } |
---|
712 | else |
---|
713 | { |
---|
714 | struct conversation *c = conv_findchannel( channel ); |
---|
715 | |
---|
716 | if( c ) |
---|
717 | irc_reply( irc, 332, "%s :BitlBee groupchat: \"%s\". Please keep in mind that root-commands won't work here. Have fun!", channel, c->title ); |
---|
718 | else |
---|
719 | irc_reply( irc, 331, "%s :No topic for this channel" ); |
---|
720 | } |
---|
721 | } |
---|
722 | |
---|
723 | void irc_umode_set( irc_t *irc, char *s, int allow_priv ) |
---|
724 | { |
---|
725 | /* allow_priv: Set to 0 if s contains user input, 1 if you want |
---|
726 | to set a "privileged" mode (+o, +R, etc). */ |
---|
727 | char m[256], st = 1, *t; |
---|
728 | int i; |
---|
729 | |
---|
730 | memset( m, 0, sizeof( m ) ); |
---|
731 | |
---|
732 | for( t = irc->umode; *t; t ++ ) |
---|
733 | m[(int)*t] = 1; |
---|
734 | |
---|
735 | for( t = s; *t; t ++ ) |
---|
736 | { |
---|
737 | if( *t == '+' || *t == '-' ) |
---|
738 | st = *t == '+'; |
---|
739 | else if( st == 0 || ( strchr( UMODES, *t ) || ( allow_priv && strchr( UMODES_PRIV, *t ) ) ) ) |
---|
740 | m[(int)*t] = st; |
---|
741 | } |
---|
742 | |
---|
743 | memset( irc->umode, 0, sizeof( irc->umode ) ); |
---|
744 | |
---|
745 | for( i = 0; i < 256 && strlen( irc->umode ) < ( sizeof( irc->umode ) - 1 ); i ++ ) |
---|
746 | if( m[i] ) |
---|
747 | irc->umode[strlen(irc->umode)] = i; |
---|
748 | |
---|
749 | irc_reply( irc, 221, "+%s", irc->umode ); |
---|
750 | } |
---|
751 | |
---|
752 | void irc_spawn( irc_t *irc, user_t *u ) |
---|
753 | { |
---|
754 | irc_join( irc, u, irc->channel ); |
---|
755 | } |
---|
756 | |
---|
757 | void irc_join( irc_t *irc, user_t *u, char *channel ) |
---|
758 | { |
---|
759 | char *nick; |
---|
760 | |
---|
761 | if( ( g_strcasecmp( channel, irc->channel ) != 0 ) || user_find( irc, irc->nick ) ) |
---|
762 | irc_write( irc, ":%s!%s@%s JOIN :%s", u->nick, u->user, u->host, channel ); |
---|
763 | |
---|
764 | if( nick_cmp( u->nick, irc->nick ) == 0 ) |
---|
765 | { |
---|
766 | irc_write( irc, ":%s MODE %s +%s", irc->myhost, channel, CMODE ); |
---|
767 | irc_names( irc, channel ); |
---|
768 | irc_topic( irc, channel ); |
---|
769 | } |
---|
770 | |
---|
771 | nick = g_strdup( u->nick ); |
---|
772 | nick_lc( nick ); |
---|
773 | if( g_hash_table_lookup( irc->watches, nick ) ) |
---|
774 | { |
---|
775 | irc_reply( irc, 600, "%s %s %s %d :%s", u->nick, u->user, u->host, time( NULL ), "logged online" ); |
---|
776 | } |
---|
777 | g_free( nick ); |
---|
778 | } |
---|
779 | |
---|
780 | void irc_part( irc_t *irc, user_t *u, char *channel ) |
---|
781 | { |
---|
782 | irc_write( irc, ":%s!%s@%s PART %s :%s", u->nick, u->user, u->host, channel, "" ); |
---|
783 | } |
---|
784 | |
---|
785 | void irc_kick( irc_t *irc, user_t *u, char *channel, user_t *kicker ) |
---|
786 | { |
---|
787 | irc_write( irc, ":%s!%s@%s KICK %s %s :%s", kicker->nick, kicker->user, kicker->host, channel, u->nick, "" ); |
---|
788 | } |
---|
789 | |
---|
790 | void irc_kill( irc_t *irc, user_t *u ) |
---|
791 | { |
---|
792 | char *nick; |
---|
793 | |
---|
794 | irc_write( irc, ":%s!%s@%s QUIT :%s", u->nick, u->user, u->host, "Leaving..." ); |
---|
795 | |
---|
796 | nick = g_strdup( u->nick ); |
---|
797 | nick_lc( nick ); |
---|
798 | if( g_hash_table_lookup( irc->watches, nick ) ) |
---|
799 | { |
---|
800 | irc_reply( irc, 601, "%s %s %s %d :%s", u->nick, u->user, u->host, time( NULL ), "logged offline" ); |
---|
801 | } |
---|
802 | g_free( nick ); |
---|
803 | } |
---|
804 | |
---|
805 | int irc_send( irc_t *irc, char *nick, char *s, int flags ) |
---|
806 | { |
---|
807 | struct conversation *c = NULL; |
---|
808 | user_t *u = NULL; |
---|
809 | |
---|
810 | if( *nick == '#' || *nick == '&' ) |
---|
811 | { |
---|
812 | if( !( c = conv_findchannel( nick ) ) ) |
---|
813 | { |
---|
814 | irc_reply( irc, 403, "%s :Channel does not exist", nick ); |
---|
815 | return( 0 ); |
---|
816 | } |
---|
817 | } |
---|
818 | else |
---|
819 | { |
---|
820 | u = user_find( irc, nick ); |
---|
821 | |
---|
822 | if( !u ) |
---|
823 | { |
---|
824 | if( irc->is_private ) |
---|
825 | irc_reply( irc, 401, "%s :Nick does not exist", nick ); |
---|
826 | else |
---|
827 | irc_usermsg( irc, "Nick `%s' does not exist!", nick ); |
---|
828 | return( 0 ); |
---|
829 | } |
---|
830 | } |
---|
831 | |
---|
832 | if( *s == 1 && s[strlen(s)-1] == 1 ) |
---|
833 | { |
---|
834 | if( g_strncasecmp( s + 1, "ACTION", 6 ) == 0 ) |
---|
835 | { |
---|
836 | if( s[7] == ' ' ) s ++; |
---|
837 | s += 3; |
---|
838 | *(s++) = '/'; |
---|
839 | *(s++) = 'm'; |
---|
840 | *(s++) = 'e'; |
---|
841 | *(s++) = ' '; |
---|
842 | s -= 4; |
---|
843 | s[strlen(s)-1] = 0; |
---|
844 | } |
---|
845 | else if( g_strncasecmp( s + 1, "VERSION", 7 ) == 0 ) |
---|
846 | { |
---|
847 | u = user_find( irc, irc->mynick ); |
---|
848 | irc_privmsg( irc, u, "NOTICE", irc->nick, "", "\001VERSION BitlBee " BITLBEE_VERSION " " ARCH "/" CPU "\001" ); |
---|
849 | return( 1 ); |
---|
850 | } |
---|
851 | else if( g_strncasecmp( s + 1, "PING", 4 ) == 0 ) |
---|
852 | { |
---|
853 | u = user_find( irc, irc->mynick ); |
---|
854 | irc_privmsg( irc, u, "NOTICE", irc->nick, "", s ); |
---|
855 | return( 1 ); |
---|
856 | } |
---|
857 | else if( g_strncasecmp( s + 1, "TYPING", 6 ) == 0 ) |
---|
858 | { |
---|
859 | if( u && u->gc && u->gc->prpl->send_typing && strlen( s ) >= 10 ) |
---|
860 | { |
---|
861 | time_t current_typing_notice = time( NULL ); |
---|
862 | |
---|
863 | if( current_typing_notice - u->last_typing_notice >= 5 ) |
---|
864 | { |
---|
865 | u->gc->prpl->send_typing( u->gc, u->handle, s[8] == '1' ); |
---|
866 | u->last_typing_notice = current_typing_notice; |
---|
867 | } |
---|
868 | } |
---|
869 | return( 1 ); |
---|
870 | } |
---|
871 | else |
---|
872 | { |
---|
873 | irc_usermsg( irc, "Non-ACTION CTCP's aren't supported" ); |
---|
874 | return( 0 ); |
---|
875 | } |
---|
876 | } |
---|
877 | |
---|
878 | if( u ) |
---|
879 | { |
---|
880 | /* For the next message, we probably do have to send new notices... */ |
---|
881 | u->last_typing_notice = 0; |
---|
882 | u->is_private = irc->is_private; |
---|
883 | |
---|
884 | if( u->is_private ) |
---|
885 | { |
---|
886 | if( !u->online ) |
---|
887 | irc_reply( irc, 301, "%s :%s", u->nick, "User is offline" ); |
---|
888 | else if( u->away ) |
---|
889 | irc_reply( irc, 301, "%s :%s", u->nick, u->away ); |
---|
890 | } |
---|
891 | |
---|
892 | if( u->send_handler ) |
---|
893 | return( u->send_handler( irc, u, s, flags ) ); |
---|
894 | } |
---|
895 | else if( c && c->gc && c->gc->prpl ) |
---|
896 | { |
---|
897 | return( serv_send_chat( irc, c->gc, c->id, s ) ); |
---|
898 | } |
---|
899 | |
---|
900 | return( 0 ); |
---|
901 | } |
---|
902 | |
---|
903 | gboolean buddy_send_handler_delayed( gpointer data ) |
---|
904 | { |
---|
905 | user_t *u = data; |
---|
906 | |
---|
907 | u->sendbuf[u->sendbuf_len-2] = 0; /* Cut off the last newline */ |
---|
908 | serv_send_im( u->gc->irc, u, u->sendbuf, u->sendbuf_flags ); |
---|
909 | |
---|
910 | g_free( u->sendbuf ); |
---|
911 | u->sendbuf = NULL; |
---|
912 | u->sendbuf_len = 0; |
---|
913 | u->sendbuf_timer = 0; |
---|
914 | u->sendbuf_flags = 0; |
---|
915 | |
---|
916 | return( FALSE ); |
---|
917 | } |
---|
918 | |
---|
919 | int buddy_send_handler( irc_t *irc, user_t *u, char *msg, int flags ) |
---|
920 | { |
---|
921 | if( !u || !u->gc ) return( 0 ); |
---|
922 | |
---|
923 | if( set_getint( irc, "buddy_sendbuffer" ) && set_getint( irc, "buddy_sendbuffer_delay" ) > 0 ) |
---|
924 | { |
---|
925 | int delay; |
---|
926 | |
---|
927 | if( u->sendbuf_len > 0 && u->sendbuf_flags != flags) |
---|
928 | { |
---|
929 | //Flush the buffer |
---|
930 | g_source_remove( u->sendbuf_timer ); |
---|
931 | buddy_send_handler_delayed( u ); |
---|
932 | } |
---|
933 | |
---|
934 | if( u->sendbuf_len == 0 ) |
---|
935 | { |
---|
936 | u->sendbuf_len = strlen( msg ) + 2; |
---|
937 | u->sendbuf = g_new (char, u->sendbuf_len ); |
---|
938 | u->sendbuf[0] = 0; |
---|
939 | u->sendbuf_flags = flags; |
---|
940 | } |
---|
941 | else |
---|
942 | { |
---|
943 | u->sendbuf_len += strlen( msg ) + 1; |
---|
944 | u->sendbuf = g_renew ( char, u->sendbuf, u->sendbuf_len ); |
---|
945 | } |
---|
946 | |
---|
947 | strcat( u->sendbuf, msg ); |
---|
948 | strcat( u->sendbuf, "\n" ); |
---|
949 | |
---|
950 | delay = set_getint( irc, "buddy_sendbuffer_delay" ); |
---|
951 | if( delay <= 5 ) |
---|
952 | delay *= 1000; |
---|
953 | |
---|
954 | if( u->sendbuf_timer > 0 ) |
---|
955 | g_source_remove( u->sendbuf_timer ); |
---|
956 | u->sendbuf_timer = g_timeout_add( delay, buddy_send_handler_delayed, u ); |
---|
957 | |
---|
958 | return( 1 ); |
---|
959 | } |
---|
960 | else |
---|
961 | { |
---|
962 | return( serv_send_im( irc, u, msg, flags ) ); |
---|
963 | } |
---|
964 | } |
---|
965 | |
---|
966 | int irc_privmsg( irc_t *irc, user_t *u, char *type, char *to, char *prefix, char *msg ) |
---|
967 | { |
---|
968 | char last = 0; |
---|
969 | char *s = msg, *line = msg; |
---|
970 | |
---|
971 | /* The almighty linesplitter .. woohoo!! */ |
---|
972 | while( !last ) |
---|
973 | { |
---|
974 | if( *s == '\r' && *(s+1) == '\n' ) |
---|
975 | *(s++) = 0; |
---|
976 | if( *s == '\n' ) |
---|
977 | { |
---|
978 | last = s[1] == 0; |
---|
979 | *s = 0; |
---|
980 | } |
---|
981 | else |
---|
982 | { |
---|
983 | last = s[0] == 0; |
---|
984 | } |
---|
985 | if( *s == 0 ) |
---|
986 | { |
---|
987 | if( g_strncasecmp( line, "/me ", 4 ) == 0 && ( !prefix || !*prefix ) && g_strcasecmp( type, "PRIVMSG" ) == 0 ) |
---|
988 | { |
---|
989 | irc_write( irc, ":%s!%s@%s %s %s :\001ACTION %s\001", u->nick, u->user, u->host, |
---|
990 | type, to, line + 4 ); |
---|
991 | } |
---|
992 | else |
---|
993 | { |
---|
994 | irc_write( irc, ":%s!%s@%s %s %s :%s%s", u->nick, u->user, u->host, |
---|
995 | type, to, prefix ? prefix : "", line ); |
---|
996 | } |
---|
997 | line = s + 1; |
---|
998 | } |
---|
999 | s ++; |
---|
1000 | } |
---|
1001 | |
---|
1002 | return( 1 ); |
---|
1003 | } |
---|
1004 | |
---|
1005 | int irc_msgfrom( irc_t *irc, char *nick, char *msg ) |
---|
1006 | { |
---|
1007 | user_t *u = user_find( irc, nick ); |
---|
1008 | static char *prefix = NULL; |
---|
1009 | |
---|
1010 | if( !u ) return( 0 ); |
---|
1011 | if( prefix && *prefix ) g_free( prefix ); |
---|
1012 | |
---|
1013 | if( !u->is_private && nick_cmp( u->nick, irc->mynick ) != 0 ) |
---|
1014 | { |
---|
1015 | int len = strlen( irc->nick) + 3; |
---|
1016 | prefix = g_new (char, len ); |
---|
1017 | g_snprintf( prefix, len, "%s%s", irc->nick, set_getstr( irc, "to_char" ) ); |
---|
1018 | prefix[len-1] = 0; |
---|
1019 | } |
---|
1020 | else |
---|
1021 | { |
---|
1022 | prefix = ""; |
---|
1023 | } |
---|
1024 | |
---|
1025 | return( irc_privmsg( irc, u, "PRIVMSG", u->is_private ? irc->nick : irc->channel, prefix, msg ) ); |
---|
1026 | } |
---|
1027 | |
---|
1028 | int irc_noticefrom( irc_t *irc, char *nick, char *msg ) |
---|
1029 | { |
---|
1030 | user_t *u = user_find( irc, nick ); |
---|
1031 | |
---|
1032 | if( u ) |
---|
1033 | return( irc_privmsg( irc, u, "NOTICE", irc->nick, "", msg ) ); |
---|
1034 | else |
---|
1035 | return( 0 ); |
---|
1036 | } |
---|
1037 | |
---|
1038 | /* Returns 0 if everything seems to be okay, a number >0 when there was a |
---|
1039 | timeout. The number returned is the number of seconds we received no |
---|
1040 | pongs from the user. When not connected yet, we don't ping but drop the |
---|
1041 | connection when the user fails to connect in IRC_LOGIN_TIMEOUT secs. */ |
---|
1042 | static gboolean irc_userping( gpointer _irc ) |
---|
1043 | { |
---|
1044 | irc_t *irc = _irc; |
---|
1045 | int rv = 0; |
---|
1046 | |
---|
1047 | if( irc->status < USTATUS_LOGGED_IN ) |
---|
1048 | { |
---|
1049 | if( gettime() > ( irc->last_pong + IRC_LOGIN_TIMEOUT ) ) |
---|
1050 | rv = gettime() - irc->last_pong; |
---|
1051 | } |
---|
1052 | else |
---|
1053 | { |
---|
1054 | if( ( gettime() > ( irc->last_pong + global.conf->ping_interval ) ) && !irc->pinging ) |
---|
1055 | { |
---|
1056 | irc_write( irc, "PING :%s", IRC_PING_STRING ); |
---|
1057 | irc->pinging = 1; |
---|
1058 | } |
---|
1059 | else if( gettime() > ( irc->last_pong + global.conf->ping_timeout ) ) |
---|
1060 | { |
---|
1061 | rv = gettime() - irc->last_pong; |
---|
1062 | } |
---|
1063 | } |
---|
1064 | |
---|
1065 | if( rv > 0 ) |
---|
1066 | { |
---|
1067 | irc_write( irc, "ERROR :Closing Link: Ping Timeout: %d seconds", rv ); |
---|
1068 | irc_free( irc ); |
---|
1069 | return FALSE; |
---|
1070 | } |
---|
1071 | |
---|
1072 | return TRUE; |
---|
1073 | } |
---|