1 | /***************************************************************************\ |
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2 | * * |
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3 | * BitlBee - An IRC to IM gateway * |
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4 | * Jabber module - Handling of presence (tags), etc * |
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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 "jabber.h" |
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25 | |
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26 | xt_status jabber_pkt_presence( struct xt_node *node, gpointer data ) |
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27 | { |
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28 | struct im_connection *ic = data; |
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29 | char *from = xt_find_attr( node, "from" ); |
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30 | char *type = xt_find_attr( node, "type" ); /* NULL should mean the person is online. */ |
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31 | struct xt_node *c; |
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32 | struct jabber_buddy *bud; |
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33 | char *s; |
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34 | |
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35 | if( !from ) |
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36 | return XT_HANDLED; |
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37 | |
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38 | if( type == NULL ) |
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39 | { |
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40 | int is_away = 0; |
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41 | |
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42 | if( !( bud = jabber_buddy_by_jid( ic, from, GET_BUDDY_EXACT | GET_BUDDY_CREAT ) ) ) |
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43 | { |
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44 | if( set_getbool( &ic->irc->set, "debug" ) ) |
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45 | imcb_log( ic, "WARNING: Could not handle presence information from JID: %s", from ); |
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46 | return XT_HANDLED; |
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47 | } |
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48 | |
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49 | g_free( bud->away_message ); |
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50 | if( ( c = xt_find_node( node->children, "status" ) ) && c->text_len > 0 ) |
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51 | bud->away_message = g_strdup( c->text ); |
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52 | else |
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53 | bud->away_message = NULL; |
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54 | |
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55 | if( ( c = xt_find_node( node->children, "show" ) ) && c->text_len > 0 ) |
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56 | { |
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57 | bud->away_state = (void*) jabber_away_state_by_code( c->text ); |
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58 | if( strcmp( c->text, "chat" ) != 0 ) |
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59 | is_away = OPT_AWAY; |
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60 | } |
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61 | else |
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62 | { |
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63 | bud->away_state = NULL; |
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64 | /* Let's only set last_act if there's *no* away state, |
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65 | since it could be some auto-away thingy. */ |
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66 | bud->last_act = time( NULL ); |
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67 | } |
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68 | |
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69 | if( ( c = xt_find_node( node->children, "priority" ) ) && c->text_len > 0 ) |
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70 | bud->priority = atoi( c->text ); |
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71 | else |
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72 | bud->priority = 0; |
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73 | |
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74 | if( bud == jabber_buddy_by_jid( ic, bud->bare_jid, 0 ) ) |
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75 | imcb_buddy_status( ic, bud->bare_jid, OPT_LOGGED_IN | is_away, |
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76 | ( is_away && bud->away_state ) ? bud->away_state->full_name : NULL, |
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77 | bud->away_message ); |
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78 | } |
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79 | else if( strcmp( type, "unavailable" ) == 0 ) |
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80 | { |
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81 | if( jabber_buddy_by_jid( ic, from, GET_BUDDY_EXACT ) == NULL ) |
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82 | { |
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83 | if( set_getbool( &ic->irc->set, "debug" ) ) |
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84 | imcb_log( ic, "WARNING: Received presence information from unknown JID: %s", from ); |
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85 | return XT_HANDLED; |
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86 | } |
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87 | |
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88 | jabber_buddy_remove( ic, from ); |
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89 | |
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90 | if( ( s = strchr( from, '/' ) ) ) |
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91 | { |
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92 | *s = 0; |
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93 | |
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94 | /* Only count this as offline if there's no other resource |
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95 | available anymore. */ |
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96 | if( jabber_buddy_by_jid( ic, from, 0 ) == NULL ) |
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97 | imcb_buddy_status( ic, from, 0, NULL, NULL ); |
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98 | |
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99 | *s = '/'; |
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100 | } |
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101 | else |
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102 | { |
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103 | imcb_buddy_status( ic, from, 0, NULL, NULL ); |
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104 | } |
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105 | } |
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106 | else if( strcmp( type, "subscribe" ) == 0 ) |
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107 | { |
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108 | jabber_buddy_ask( ic, from ); |
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109 | } |
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110 | else if( strcmp( type, "subscribed" ) == 0 ) |
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111 | { |
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112 | /* Not sure about this one, actually... */ |
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113 | imcb_log( ic, "%s just accepted your authorization request", from ); |
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114 | } |
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115 | else if( strcmp( type, "unsubscribe" ) == 0 || strcmp( type, "unsubscribed" ) == 0 ) |
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116 | { |
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117 | /* Do nothing here. Plenty of control freaks or over-curious |
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118 | souls get excited when they can see who still has them in |
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119 | their buddy list and who finally removed them. Somehow I |
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120 | got the impression that those are the people who get |
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121 | removed from many buddy lists for "some" reason... |
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122 | |
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123 | If you're one of those people, this is your chance to write |
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124 | your first line of code in C... */ |
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125 | } |
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126 | else if( strcmp( type, "error" ) == 0 ) |
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127 | { |
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128 | /* What to do with it? */ |
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129 | } |
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130 | else |
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131 | { |
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132 | printf( "Received PRES from %s:\n", from ); |
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133 | xt_print( node ); |
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134 | } |
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135 | |
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136 | return XT_HANDLED; |
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137 | } |
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138 | |
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139 | /* Whenever presence information is updated, call this function to inform the |
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140 | server. */ |
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141 | int presence_send_update( struct im_connection *ic ) |
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142 | { |
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143 | struct jabber_data *jd = ic->proto_data; |
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144 | struct xt_node *node; |
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145 | char *show = jd->away_state->code; |
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146 | char *status = jd->away_message; |
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147 | int st; |
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148 | |
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149 | node = jabber_make_packet( "presence", NULL, NULL, NULL ); |
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150 | xt_add_child( node, xt_new_node( "priority", set_getstr( &ic->acc->set, "priority" ), NULL ) ); |
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151 | if( show && *show ) |
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152 | xt_add_child( node, xt_new_node( "show", show, NULL ) ); |
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153 | if( status ) |
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154 | xt_add_child( node, xt_new_node( "status", status, NULL ) ); |
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155 | |
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156 | st = jabber_write_packet( ic, node ); |
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157 | |
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158 | xt_free_node( node ); |
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159 | return st; |
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160 | } |
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161 | |
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162 | /* Send a subscribe/unsubscribe request to a buddy. */ |
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163 | int presence_send_request( struct im_connection *ic, char *handle, char *request ) |
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164 | { |
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165 | struct xt_node *node; |
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166 | int st; |
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167 | |
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168 | node = jabber_make_packet( "presence", NULL, NULL, NULL ); |
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169 | xt_add_attr( node, "to", handle ); |
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170 | xt_add_attr( node, "type", request ); |
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171 | |
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172 | st = jabber_write_packet( ic, node ); |
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173 | |
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174 | xt_free_node( node ); |
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175 | return st; |
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176 | } |
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