1 | /***************************************************************************\ |
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2 | * * |
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3 | * BitlBee - An IRC to IM gateway * |
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4 | * Jabber module - Main file * |
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5 | * * |
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6 | * Copyright 2006 Wilmer van der Gaast <wilmer@gaast.net> * |
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7 | * * |
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8 | * This program is free software; you can redistribute it and/or modify * |
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9 | * it under the terms of the GNU General Public License as published by * |
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10 | * the Free Software Foundation; either version 2 of the License, or * |
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11 | * (at your option) any later version. * |
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12 | * * |
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13 | * This program is distributed in the hope that it will be useful, * |
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14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
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16 | * GNU General Public License for more details. * |
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17 | * * |
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18 | * You should have received a copy of the GNU General Public License along * |
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19 | * with this program; if not, write to the Free Software Foundation, Inc., * |
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20 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * |
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21 | * * |
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22 | \***************************************************************************/ |
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23 | |
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24 | #include <glib.h> |
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25 | #include <string.h> |
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26 | #include <unistd.h> |
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27 | #include <ctype.h> |
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28 | #include <stdio.h> |
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29 | |
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30 | #include "ssl_client.h" |
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31 | #include "xmltree.h" |
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32 | #include "bitlbee.h" |
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33 | #include "jabber.h" |
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34 | |
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35 | static void jabber_acc_init( account_t *acc ) |
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36 | { |
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37 | set_t *s; |
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38 | |
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39 | s = set_add( &acc->set, "port", "5222", set_eval_int, acc ); |
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40 | s->flags |= ACC_SET_OFFLINE_ONLY; |
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41 | |
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42 | s = set_add( &acc->set, "priority", "0", set_eval_resprio, acc ); |
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43 | |
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44 | s = set_add( &acc->set, "resource", "BitlBee", set_eval_resprio, acc ); |
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45 | |
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46 | s = set_add( &acc->set, "server", NULL, set_eval_account, acc ); |
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47 | s->flags |= ACC_SET_NOSAVE | ACC_SET_OFFLINE_ONLY; |
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48 | |
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49 | s = set_add( &acc->set, "ssl", "false", set_eval_bool, acc ); |
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50 | s->flags |= ACC_SET_OFFLINE_ONLY; |
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51 | |
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52 | s = set_add( &acc->set, "tls", "try", set_eval_tls, acc ); |
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53 | s->flags |= ACC_SET_OFFLINE_ONLY; |
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54 | } |
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55 | |
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56 | static void jabber_login( account_t *acc ) |
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57 | { |
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58 | struct gaim_connection *gc = new_gaim_conn( acc ); |
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59 | struct jabber_data *jd = g_new0( struct jabber_data, 1 ); |
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60 | |
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61 | jd->gc = gc; |
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62 | gc->proto_data = jd; |
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63 | |
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64 | jd->username = g_strdup( acc->user ); |
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65 | jd->server = strchr( jd->username, '@' ); |
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66 | |
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67 | if( jd->server == NULL ) |
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68 | { |
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69 | hide_login_progress( gc, "Incomplete account name (format it like <username@jabberserver.name>)" ); |
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70 | signoff( gc ); |
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71 | return; |
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72 | } |
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73 | |
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74 | /* So don't think of free()ing jd->server.. :-) */ |
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75 | *jd->server = 0; |
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76 | jd->server ++; |
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77 | |
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78 | jd->node_cache = xt_new_node( "cache", NULL, NULL ); |
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79 | |
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80 | if( set_getbool( &acc->set, "ssl" ) ) |
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81 | { |
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82 | jd->ssl = ssl_connect( jd->server, set_getint( &acc->set, "port" ), jabber_connected_ssl, gc ); |
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83 | jd->fd = ssl_getfd( jd->ssl ); |
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84 | } |
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85 | else |
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86 | { |
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87 | jd->fd = proxy_connect( jd->server, set_getint( &acc->set, "port" ), jabber_connected_plain, gc ); |
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88 | } |
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89 | } |
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90 | |
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91 | static void jabber_close( struct gaim_connection *gc ) |
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92 | { |
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93 | struct jabber_data *jd = gc->proto_data; |
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94 | |
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95 | jabber_end_stream( gc ); |
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96 | |
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97 | if( jd->r_inpa >= 0 ) |
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98 | b_event_remove( jd->r_inpa ); |
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99 | if( jd->w_inpa >= 0 ) |
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100 | b_event_remove( jd->w_inpa ); |
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101 | |
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102 | if( jd->ssl ) |
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103 | ssl_disconnect( jd->ssl ); |
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104 | if( jd->fd >= 0 ) |
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105 | closesocket( jd->fd ); |
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106 | |
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107 | if( jd->tx_len ) |
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108 | g_free( jd->txq ); |
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109 | |
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110 | xt_free_node( jd->node_cache ); |
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111 | xt_free( jd->xt ); |
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112 | |
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113 | g_free( jd->away_message ); |
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114 | g_free( jd->username ); |
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115 | g_free( jd ); |
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116 | } |
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117 | |
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118 | static int jabber_send_im( struct gaim_connection *gc, char *who, char *message, int len, int away ) |
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119 | { |
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120 | struct xt_node *node, *event; |
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121 | int st; |
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122 | |
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123 | /* |
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124 | event = xt_new_node( "active", NULL, NULL ); |
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125 | xt_add_attr( event, "xlmns", "http://jabber.org/protocol/chatstates" ); |
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126 | |
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127 | event = xt_new_node( "x", NULL, xt_new_node( "composing", NULL, NULL ) ); |
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128 | xt_add_attr( event, "xmlns", "jabber:x:event" ); |
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129 | */ |
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130 | |
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131 | node = xt_new_node( "body", message, NULL ); |
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132 | node = jabber_make_packet( "message", "chat", who, node ); |
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133 | xt_add_child( node, event ); |
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134 | st = jabber_write_packet( gc, node ); |
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135 | xt_free_node( node ); |
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136 | |
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137 | return st; |
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138 | } |
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139 | |
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140 | static GList *jabber_away_states( struct gaim_connection *gc ) |
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141 | { |
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142 | static GList *l = NULL; |
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143 | int i; |
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144 | |
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145 | if( l == NULL ) |
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146 | for( i = 0; jabber_away_state_list[i].full_name; i ++ ) |
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147 | l = g_list_append( l, (void*) jabber_away_state_list[i].full_name ); |
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148 | |
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149 | return l; |
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150 | } |
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151 | |
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152 | static void jabber_set_away( struct gaim_connection *gc, char *state_txt, char *message ) |
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153 | { |
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154 | struct jabber_data *jd = gc->proto_data; |
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155 | struct jabber_away_state *state; |
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156 | |
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157 | /* Save all this info. We need it, for example, when changing the priority setting. */ |
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158 | state = (void *) jabber_away_state_by_name( state_txt ); |
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159 | jd->away_state = state ? state : (void *) jabber_away_state_list; /* Fall back to "Away" if necessary. */ |
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160 | g_free( jd->away_message ); |
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161 | jd->away_message = ( message && *message ) ? g_strdup( message ) : NULL; |
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162 | |
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163 | presence_send_update( gc ); |
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164 | } |
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165 | |
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166 | static void jabber_add_buddy( struct gaim_connection *gc, char *who ) |
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167 | { |
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168 | if( jabber_add_to_roster( gc, who, NULL ) ) |
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169 | presence_send_request( gc, who, "subscribe" ); |
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170 | } |
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171 | |
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172 | static void jabber_remove_buddy( struct gaim_connection *gc, char *who, char *group ) |
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173 | { |
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174 | if( jabber_remove_from_roster( gc, who ) ) |
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175 | presence_send_request( gc, who, "unsubscribe" ); |
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176 | } |
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177 | |
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178 | static void jabber_keepalive( struct gaim_connection *gc ) |
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179 | { |
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180 | struct jabber_data *jd = gc->proto_data; |
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181 | struct xt_node *c, *tmp; |
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182 | |
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183 | /* Just any whitespace character is enough as a keepalive for XMPP sessions. */ |
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184 | jabber_write( gc, "\n", 1 ); |
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185 | |
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186 | /* Let's abuse this keepalive for garbage collection of the node cache too. |
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187 | It runs every minute, so let's mark every node with a special flag the |
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188 | first time we see it, and clean it up the second time (clean up all |
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189 | packets with the flag set). |
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190 | |
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191 | node->flags is normally only used by xmltree itself for parsing/handling, |
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192 | so it should be safe to use the variable for gc. */ |
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193 | |
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194 | /* This horrible loop is explained in xmltree.c. Makes me wonder if maybe I |
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195 | didn't choose the perfect data structure... */ |
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196 | for( c = jd->node_cache->children; c; c = c->next ) |
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197 | if( !( c->flags & XT_SEEN ) ) |
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198 | break; |
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199 | |
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200 | /* Now c points at the first unflagged node (or at NULL). Clean up |
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201 | everything until that point. */ |
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202 | while( jd->node_cache->children != c ) |
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203 | { |
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204 | /* |
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205 | printf( "Cleaning up:\n" ); |
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206 | xt_print( jd->node_cache->children ); |
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207 | */ |
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208 | |
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209 | tmp = jd->node_cache->children->next; |
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210 | xt_free_node( jd->node_cache->children ); |
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211 | jd->node_cache->children = tmp; |
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212 | } |
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213 | |
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214 | /* Now flag the ones that were still unflagged. */ |
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215 | for( c = jd->node_cache->children; c; c = c->next ) |
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216 | { |
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217 | /* |
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218 | printf( "Flagged:\n" ); |
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219 | xt_print( c ); |
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220 | */ |
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221 | |
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222 | c->flags |= XT_SEEN; |
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223 | } |
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224 | } |
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225 | |
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226 | static void jabber_add_permit( struct gaim_connection *gc, char *who ) |
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227 | { |
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228 | presence_send_request( gc, who, "subscribed" ); |
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229 | } |
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230 | |
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231 | static void jabber_rem_permit( struct gaim_connection *gc, char *who ) |
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232 | { |
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233 | presence_send_request( gc, who, "unsubscribed" ); |
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234 | } |
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235 | |
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236 | static void jabber_add_deny( struct gaim_connection *gc, char *who ) |
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237 | { |
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238 | } |
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239 | |
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240 | static void jabber_rem_deny( struct gaim_connection *gc, char *who ) |
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241 | { |
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242 | } |
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243 | |
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244 | void jabber_init() |
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245 | { |
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246 | struct prpl *ret = g_new0( struct prpl, 1 ); |
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247 | |
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248 | ret->name = "jabber"; |
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249 | ret->login = jabber_login; |
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250 | ret->acc_init = jabber_acc_init; |
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251 | ret->close = jabber_close; |
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252 | ret->send_im = jabber_send_im; |
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253 | ret->away_states = jabber_away_states; |
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254 | // ret->get_status_string = jabber_get_status_string; |
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255 | ret->set_away = jabber_set_away; |
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256 | // ret->set_info = jabber_set_info; |
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257 | // ret->get_info = jabber_get_info; |
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258 | ret->add_buddy = jabber_add_buddy; |
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259 | ret->remove_buddy = jabber_remove_buddy; |
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260 | // ret->chat_send = jabber_chat_send; |
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261 | // ret->chat_invite = jabber_chat_invite; |
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262 | // ret->chat_leave = jabber_chat_leave; |
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263 | // ret->chat_open = jabber_chat_open; |
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264 | ret->keepalive = jabber_keepalive; |
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265 | ret->add_permit = jabber_add_permit; |
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266 | ret->rem_permit = jabber_rem_permit; |
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267 | ret->add_deny = jabber_add_deny; |
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268 | ret->rem_deny = jabber_rem_deny; |
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269 | // ret->send_typing = jabber_send_typing; |
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270 | ret->handle_cmp = g_strcasecmp; |
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271 | |
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272 | register_protocol( ret ); |
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273 | } |
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