[f06894d] | 1 | /***************************************************************************\ |
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| 2 | * * |
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| 3 | * BitlBee - An IRC to IM gateway * |
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[21167d2] | 4 | * Jabber module - Misc. stuff * |
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[f06894d] | 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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[89d736a] | 25 | #include "md5.h" |
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| 26 | #include "base64.h" |
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[f06894d] | 27 | |
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[dfa41a4] | 28 | static unsigned int next_id = 1; |
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[21167d2] | 29 | |
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[ebe7b36] | 30 | char *set_eval_priority( set_t *set, char *value ) |
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[f06894d] | 31 | { |
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| 32 | account_t *acc = set->data; |
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[788a1af] | 33 | int i; |
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[f06894d] | 34 | |
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[788a1af] | 35 | if( sscanf( value, "%d", &i ) == 1 ) |
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| 36 | { |
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| 37 | /* Priority is a signed 8-bit integer, according to RFC 3921. */ |
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| 38 | if( i < -128 || i > 127 ) |
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[7125cb3] | 39 | return SET_INVALID; |
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[788a1af] | 40 | } |
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| 41 | else |
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[7125cb3] | 42 | return SET_INVALID; |
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[172a73f1] | 43 | |
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| 44 | /* Only run this stuff if the account is online ATM, |
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| 45 | and if the setting seems to be acceptable. */ |
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[0da65d5] | 46 | if( acc->ic ) |
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[f06894d] | 47 | { |
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[ebe7b36] | 48 | /* Although set_eval functions usually are very nice and |
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| 49 | convenient, they have one disadvantage: If I would just |
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| 50 | call p_s_u() now to send the new prio setting, it would |
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| 51 | send the old setting because the set->value gets changed |
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[e35d1a1] | 52 | after the (this) eval returns a non-NULL value. |
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[ebe7b36] | 53 | |
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| 54 | So now I can choose between implementing post-set |
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| 55 | functions next to evals, or just do this little hack: */ |
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| 56 | |
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| 57 | g_free( set->value ); |
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[788a1af] | 58 | set->value = g_strdup( value ); |
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[ebe7b36] | 59 | |
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| 60 | /* (Yes, sorry, I prefer the hack. :-P) */ |
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| 61 | |
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[0da65d5] | 62 | presence_send_update( acc->ic ); |
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[f06894d] | 63 | } |
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| 64 | |
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[788a1af] | 65 | return value; |
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[f06894d] | 66 | } |
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| 67 | |
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| 68 | char *set_eval_tls( set_t *set, char *value ) |
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| 69 | { |
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| 70 | if( g_strcasecmp( value, "try" ) == 0 ) |
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| 71 | return value; |
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| 72 | else |
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| 73 | return set_eval_bool( set, value ); |
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| 74 | } |
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[21167d2] | 75 | |
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| 76 | struct xt_node *jabber_make_packet( char *name, char *type, char *to, struct xt_node *children ) |
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| 77 | { |
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| 78 | struct xt_node *node; |
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| 79 | |
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| 80 | node = xt_new_node( name, NULL, children ); |
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| 81 | |
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| 82 | if( type ) |
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| 83 | xt_add_attr( node, "type", type ); |
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| 84 | if( to ) |
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| 85 | xt_add_attr( node, "to", to ); |
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| 86 | |
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[dfa41a4] | 87 | /* IQ packets should always have an ID, so let's generate one. It |
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| 88 | might get overwritten by jabber_cache_add() if this packet has |
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| 89 | to be saved until we receive a response. Cached packets get |
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| 90 | slightly different IDs so we can recognize them. */ |
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| 91 | if( strcmp( name, "iq" ) == 0 ) |
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| 92 | { |
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| 93 | char *id = g_strdup_printf( "%s%05x", JABBER_PACKET_ID, ( next_id++ ) & 0xfffff ); |
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| 94 | xt_add_attr( node, "id", id ); |
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| 95 | g_free( id ); |
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| 96 | } |
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| 97 | |
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[fe7a554] | 98 | return node; |
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| 99 | } |
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| 100 | |
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[259edd4] | 101 | struct xt_node *jabber_make_error_packet( struct xt_node *orig, char *err_cond, char *err_type ) |
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| 102 | { |
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| 103 | struct xt_node *node, *c; |
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| 104 | char *to; |
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| 105 | |
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| 106 | /* Create the "defined-condition" tag. */ |
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| 107 | c = xt_new_node( err_cond, NULL, NULL ); |
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[47d3ac4] | 108 | xt_add_attr( c, "xmlns", XMLNS_STANZA_ERROR ); |
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[259edd4] | 109 | |
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| 110 | /* Put it in an <error> tag. */ |
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| 111 | c = xt_new_node( "error", NULL, c ); |
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| 112 | xt_add_attr( c, "type", err_type ); |
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| 113 | |
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| 114 | /* To make the actual error packet, we copy the original packet and |
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| 115 | add our <error>/type="error" tag. Including the original packet |
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| 116 | is recommended, so let's just do it. */ |
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| 117 | node = xt_dup( orig ); |
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| 118 | xt_add_child( node, c ); |
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| 119 | xt_add_attr( node, "type", "error" ); |
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| 120 | |
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| 121 | /* Return to sender. */ |
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| 122 | if( ( to = xt_find_attr( node, "from" ) ) ) |
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| 123 | { |
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| 124 | xt_add_attr( node, "to", to ); |
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| 125 | xt_remove_attr( node, "from" ); |
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| 126 | } |
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| 127 | |
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| 128 | return node; |
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| 129 | } |
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| 130 | |
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[dfa41a4] | 131 | /* Cache a node/packet for later use. Mainly useful for IQ packets if you need |
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[fe7a554] | 132 | them when you receive the response. Use this BEFORE sending the packet so |
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[e35d1a1] | 133 | it'll get a new id= tag, and do NOT free() the packet after sending it! */ |
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[0da65d5] | 134 | void jabber_cache_add( struct im_connection *ic, struct xt_node *node, jabber_cache_event func ) |
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[fe7a554] | 135 | { |
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[0da65d5] | 136 | struct jabber_data *jd = ic->proto_data; |
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[038d17f] | 137 | struct jabber_cache_entry *entry = g_new0( struct jabber_cache_entry, 1 ); |
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[89d736a] | 138 | md5_state_t id_hash; |
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| 139 | md5_byte_t id_sum[16]; |
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| 140 | char *id, *asc_hash; |
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[fe7a554] | 141 | |
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[89d736a] | 142 | next_id ++; |
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| 143 | |
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| 144 | id_hash = jd->cached_id_prefix; |
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| 145 | md5_append( &id_hash, (md5_byte_t*) &next_id, sizeof( next_id ) ); |
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| 146 | md5_finish( &id_hash, id_sum ); |
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| 147 | asc_hash = base64_encode( id_sum, 12 ); |
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| 148 | |
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| 149 | id = g_strdup_printf( "%s%s", JABBER_CACHED_ID, asc_hash ); |
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[fe7a554] | 150 | xt_add_attr( node, "id", id ); |
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[21167d2] | 151 | g_free( id ); |
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[89d736a] | 152 | g_free( asc_hash ); |
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[038d17f] | 153 | |
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| 154 | entry->node = node; |
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[861c199] | 155 | entry->func = func; |
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[979cfb4] | 156 | entry->saved_at = time( NULL ); |
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[038d17f] | 157 | g_hash_table_insert( jd->node_cache, xt_find_attr( node, "id" ), entry ); |
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[fe7a554] | 158 | } |
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| 159 | |
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[038d17f] | 160 | void jabber_cache_entry_free( gpointer data ) |
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| 161 | { |
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| 162 | struct jabber_cache_entry *entry = data; |
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[21167d2] | 163 | |
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[038d17f] | 164 | xt_free_node( entry->node ); |
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| 165 | g_free( entry ); |
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| 166 | } |
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| 167 | |
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| 168 | gboolean jabber_cache_clean_entry( gpointer key, gpointer entry, gpointer nullpointer ); |
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| 169 | |
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[861c199] | 170 | /* This one should be called from time to time (from keepalive, in this case) |
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| 171 | to make sure things don't stay in the node cache forever. By marking nodes |
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| 172 | during the first run and deleting marked nodes during a next run, every |
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| 173 | node should be available in the cache for at least a minute (assuming the |
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| 174 | function is indeed called every minute). */ |
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[0da65d5] | 175 | void jabber_cache_clean( struct im_connection *ic ) |
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[038d17f] | 176 | { |
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[0da65d5] | 177 | struct jabber_data *jd = ic->proto_data; |
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[979cfb4] | 178 | time_t threshold = time( NULL ) - JABBER_CACHE_MAX_AGE; |
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[038d17f] | 179 | |
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[979cfb4] | 180 | g_hash_table_foreach_remove( jd->node_cache, jabber_cache_clean_entry, &threshold ); |
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[038d17f] | 181 | } |
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| 182 | |
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[979cfb4] | 183 | gboolean jabber_cache_clean_entry( gpointer key, gpointer entry_, gpointer threshold_ ) |
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[038d17f] | 184 | { |
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| 185 | struct jabber_cache_entry *entry = entry_; |
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[979cfb4] | 186 | time_t *threshold = threshold_; |
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[038d17f] | 187 | |
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[979cfb4] | 188 | return entry->saved_at < *threshold; |
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[21167d2] | 189 | } |
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[5e202b0] | 190 | |
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[4306d8b] | 191 | xt_status jabber_cache_handle_packet( struct im_connection *ic, struct xt_node *node ) |
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| 192 | { |
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| 193 | struct jabber_data *jd = ic->proto_data; |
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| 194 | struct jabber_cache_entry *entry; |
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| 195 | char *s; |
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| 196 | |
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| 197 | if( ( s = xt_find_attr( node, "id" ) ) == NULL || |
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[89d736a] | 198 | strncmp( s, JABBER_CACHED_ID, strlen( JABBER_CACHED_ID ) ) != 0 ) |
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[4306d8b] | 199 | { |
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| 200 | /* Silently ignore it, without an ID (or a non-cache |
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| 201 | ID) we don't know how to handle the packet and we |
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| 202 | probably don't have to. */ |
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| 203 | return XT_HANDLED; |
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| 204 | } |
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| 205 | |
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| 206 | entry = g_hash_table_lookup( jd->node_cache, s ); |
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| 207 | |
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| 208 | if( entry == NULL ) |
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| 209 | { |
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[89d736a] | 210 | /* |
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| 211 | There's no longer an easy way to see if we generated this |
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| 212 | one or someone else, and there's a ten-minute timeout anyway, |
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| 213 | so meh. |
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| 214 | |
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[43462708] | 215 | imcb_log( ic, "Warning: Received %s-%s packet with unknown/expired ID %s!", |
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[4306d8b] | 216 | node->name, xt_find_attr( node, "type" ) ? : "(no type)", s ); |
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[89d736a] | 217 | */ |
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[4306d8b] | 218 | } |
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| 219 | else if( entry->func ) |
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| 220 | { |
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| 221 | return entry->func( ic, node, entry->node ); |
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| 222 | } |
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| 223 | |
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| 224 | return XT_HANDLED; |
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| 225 | } |
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| 226 | |
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[5e202b0] | 227 | const struct jabber_away_state jabber_away_state_list[] = |
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| 228 | { |
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| 229 | { "away", "Away" }, |
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| 230 | { "chat", "Free for Chat" }, |
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| 231 | { "dnd", "Do not Disturb" }, |
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| 232 | { "xa", "Extended Away" }, |
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| 233 | { "", "Online" }, |
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| 234 | { "", NULL } |
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| 235 | }; |
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| 236 | |
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| 237 | const struct jabber_away_state *jabber_away_state_by_code( char *code ) |
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| 238 | { |
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| 239 | int i; |
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| 240 | |
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| 241 | for( i = 0; jabber_away_state_list[i].full_name; i ++ ) |
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| 242 | if( g_strcasecmp( jabber_away_state_list[i].code, code ) == 0 ) |
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| 243 | return jabber_away_state_list + i; |
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| 244 | |
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| 245 | return NULL; |
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| 246 | } |
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| 247 | |
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| 248 | const struct jabber_away_state *jabber_away_state_by_name( char *name ) |
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| 249 | { |
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| 250 | int i; |
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| 251 | |
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| 252 | for( i = 0; jabber_away_state_list[i].full_name; i ++ ) |
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| 253 | if( g_strcasecmp( jabber_away_state_list[i].full_name, name ) == 0 ) |
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| 254 | return jabber_away_state_list + i; |
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| 255 | |
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| 256 | return NULL; |
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| 257 | } |
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[8e5e2e9] | 258 | |
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| 259 | struct jabber_buddy_ask_data |
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| 260 | { |
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[0da65d5] | 261 | struct im_connection *ic; |
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[8e5e2e9] | 262 | char *handle; |
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| 263 | char *realname; |
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| 264 | }; |
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| 265 | |
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[9143aeb] | 266 | static void jabber_buddy_ask_yes( void *data ) |
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[8e5e2e9] | 267 | { |
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[9143aeb] | 268 | struct jabber_buddy_ask_data *bla = data; |
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| 269 | |
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[0da65d5] | 270 | presence_send_request( bla->ic, bla->handle, "subscribed" ); |
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[8e5e2e9] | 271 | |
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[f0cb961] | 272 | if( imcb_find_buddy( bla->ic, bla->handle ) == NULL ) |
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[84b045d] | 273 | imcb_ask_add( bla->ic, bla->handle, NULL ); |
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[8e5e2e9] | 274 | |
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| 275 | g_free( bla->handle ); |
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| 276 | g_free( bla ); |
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| 277 | } |
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| 278 | |
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[9143aeb] | 279 | static void jabber_buddy_ask_no( void *data ) |
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[8e5e2e9] | 280 | { |
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[9143aeb] | 281 | struct jabber_buddy_ask_data *bla = data; |
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| 282 | |
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[0da65d5] | 283 | presence_send_request( bla->ic, bla->handle, "subscribed" ); |
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[8e5e2e9] | 284 | |
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| 285 | g_free( bla->handle ); |
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| 286 | g_free( bla ); |
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| 287 | } |
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| 288 | |
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[0da65d5] | 289 | void jabber_buddy_ask( struct im_connection *ic, char *handle ) |
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[8e5e2e9] | 290 | { |
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| 291 | struct jabber_buddy_ask_data *bla = g_new0( struct jabber_buddy_ask_data, 1 ); |
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| 292 | char *buf; |
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| 293 | |
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[0da65d5] | 294 | bla->ic = ic; |
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[8e5e2e9] | 295 | bla->handle = g_strdup( handle ); |
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| 296 | |
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| 297 | buf = g_strdup_printf( "The user %s wants to add you to his/her buddy list.", handle ); |
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[84b045d] | 298 | imcb_ask( ic, buf, bla, jabber_buddy_ask_yes, jabber_buddy_ask_no ); |
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[6266fca] | 299 | g_free( buf ); |
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[8e5e2e9] | 300 | } |
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[6a1128d] | 301 | |
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[0d3f30f] | 302 | /* Returns a new string. Don't leak it! */ |
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[e35d1a1] | 303 | char *jabber_normalize( const char *orig ) |
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[0d3f30f] | 304 | { |
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| 305 | int len, i; |
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| 306 | char *new; |
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| 307 | |
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| 308 | len = strlen( orig ); |
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| 309 | new = g_new( char, len + 1 ); |
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[98de2cc] | 310 | |
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| 311 | /* So it turns out the /resource part is case sensitive. Yeah, and |
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| 312 | it's Unicode but feck Unicode. :-P So stop once we see a slash. */ |
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| 313 | for( i = 0; i < len && orig[i] != '/' ; i ++ ) |
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[0d3f30f] | 314 | new[i] = tolower( orig[i] ); |
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[98de2cc] | 315 | for( ; orig[i]; i ++ ) |
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| 316 | new[i] = orig[i]; |
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[0d3f30f] | 317 | |
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| 318 | new[i] = 0; |
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| 319 | return new; |
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| 320 | } |
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| 321 | |
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[6a1128d] | 322 | /* Adds a buddy/resource to our list. Returns NULL if full_jid is not really a |
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[0d3f30f] | 323 | FULL jid or if we already have this buddy/resource. XXX: No, great, actually |
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| 324 | buddies from transports don't (usually) have resources. So we'll really have |
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| 325 | to deal with that properly. Set their ->resource property to NULL. Do *NOT* |
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| 326 | allow to mix this stuff, though... */ |
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[0da65d5] | 327 | struct jabber_buddy *jabber_buddy_add( struct im_connection *ic, char *full_jid_ ) |
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[6a1128d] | 328 | { |
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[0da65d5] | 329 | struct jabber_data *jd = ic->proto_data; |
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[6a1128d] | 330 | struct jabber_buddy *bud, *new, *bi; |
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[0d3f30f] | 331 | char *s, *full_jid; |
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[6a1128d] | 332 | |
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[0d3f30f] | 333 | full_jid = jabber_normalize( full_jid_ ); |
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| 334 | |
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| 335 | if( ( s = strchr( full_jid, '/' ) ) ) |
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| 336 | *s = 0; |
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[6a1128d] | 337 | |
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| 338 | new = g_new0( struct jabber_buddy, 1 ); |
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| 339 | |
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| 340 | if( ( bud = g_hash_table_lookup( jd->buddies, full_jid ) ) ) |
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| 341 | { |
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[76c85b4c] | 342 | /* The first entry is always a bare JID. If there are more, we |
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| 343 | should ignore the first one here. */ |
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| 344 | if( bud->next ) |
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| 345 | bud = bud->next; |
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| 346 | |
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[0d3f30f] | 347 | /* If this is a transport buddy or whatever, it can't have more |
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| 348 | than one instance, so this is always wrong: */ |
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| 349 | if( s == NULL || bud->resource == NULL ) |
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| 350 | { |
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| 351 | if( s ) *s = '/'; |
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| 352 | g_free( new ); |
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| 353 | g_free( full_jid ); |
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| 354 | return NULL; |
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| 355 | } |
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| 356 | |
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| 357 | new->bare_jid = bud->bare_jid; |
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[6a1128d] | 358 | |
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| 359 | /* We already have another resource for this buddy, add the |
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| 360 | new one to the list. */ |
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| 361 | for( bi = bud; bi; bi = bi->next ) |
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| 362 | { |
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[0d3f30f] | 363 | /* Check for dupes. */ |
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[98de2cc] | 364 | if( strcmp( bi->resource, s + 1 ) == 0 ) |
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[6a1128d] | 365 | { |
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| 366 | *s = '/'; |
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| 367 | g_free( new ); |
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[0d3f30f] | 368 | g_free( full_jid ); |
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[6a1128d] | 369 | return NULL; |
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| 370 | } |
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| 371 | /* Append the new item to the list. */ |
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| 372 | else if( bi->next == NULL ) |
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| 373 | { |
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| 374 | bi->next = new; |
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| 375 | break; |
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| 376 | } |
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| 377 | } |
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| 378 | } |
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| 379 | else |
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| 380 | { |
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[76c85b4c] | 381 | new->full_jid = new->bare_jid = g_strdup( full_jid ); |
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[0d3f30f] | 382 | g_hash_table_insert( jd->buddies, new->bare_jid, new ); |
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[76c85b4c] | 383 | |
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| 384 | if( s ) |
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| 385 | { |
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| 386 | new->next = g_new0( struct jabber_buddy, 1 ); |
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| 387 | new->next->bare_jid = new->bare_jid; |
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| 388 | new = new->next; |
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| 389 | } |
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[6a1128d] | 390 | } |
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| 391 | |
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[0d3f30f] | 392 | if( s ) |
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| 393 | { |
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| 394 | *s = '/'; |
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| 395 | new->full_jid = full_jid; |
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| 396 | new->resource = strchr( new->full_jid, '/' ) + 1; |
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| 397 | } |
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| 398 | else |
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| 399 | { |
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| 400 | /* Let's waste some more bytes of RAM instead of to make |
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[b9f8b87] | 401 | memory management a total disaster here. And it saves |
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| 402 | me one g_free() call in this function. :-P */ |
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[0d3f30f] | 403 | new->full_jid = full_jid; |
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| 404 | } |
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[6a1128d] | 405 | |
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| 406 | return new; |
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| 407 | } |
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| 408 | |
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[788a1af] | 409 | /* Finds a buddy from our structures. Can find both full- and bare JIDs. When |
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| 410 | asked for a bare JID, it uses the "resource_select" setting to see which |
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| 411 | resource to pick. */ |
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[0da65d5] | 412 | struct jabber_buddy *jabber_buddy_by_jid( struct im_connection *ic, char *jid_, get_buddy_flags_t flags ) |
---|
[6a1128d] | 413 | { |
---|
[0da65d5] | 414 | struct jabber_data *jd = ic->proto_data; |
---|
[76c85b4c] | 415 | struct jabber_buddy *bud, *head; |
---|
[0d3f30f] | 416 | char *s, *jid; |
---|
| 417 | |
---|
| 418 | jid = jabber_normalize( jid_ ); |
---|
[6a1128d] | 419 | |
---|
| 420 | if( ( s = strchr( jid, '/' ) ) ) |
---|
| 421 | { |
---|
| 422 | *s = 0; |
---|
| 423 | if( ( bud = g_hash_table_lookup( jd->buddies, jid ) ) ) |
---|
[0d3f30f] | 424 | { |
---|
[76c85b4c] | 425 | if( bud->next ) |
---|
| 426 | bud = bud->next; |
---|
| 427 | |
---|
[0adce21] | 428 | /* Just return the first one for this bare JID. */ |
---|
| 429 | if( flags & GET_BUDDY_FIRST ) |
---|
| 430 | { |
---|
| 431 | *s = '/'; |
---|
| 432 | g_free( jid ); |
---|
| 433 | return bud; |
---|
| 434 | } |
---|
| 435 | |
---|
[0d3f30f] | 436 | /* Is this one of those no-resource buddies? */ |
---|
| 437 | if( bud->resource == NULL ) |
---|
| 438 | { |
---|
[0adce21] | 439 | *s = '/'; |
---|
[16b5f86] | 440 | g_free( jid ); |
---|
| 441 | return NULL; |
---|
[0d3f30f] | 442 | } |
---|
[0adce21] | 443 | |
---|
| 444 | /* See if there's an exact match. */ |
---|
| 445 | for( ; bud; bud = bud->next ) |
---|
[98de2cc] | 446 | if( strcmp( bud->resource, s + 1 ) == 0 ) |
---|
[0adce21] | 447 | break; |
---|
[0d3f30f] | 448 | } |
---|
| 449 | |
---|
[76c85b4c] | 450 | if( bud == NULL && ( flags & GET_BUDDY_CREAT ) && imcb_find_buddy( ic, jid ) ) |
---|
[16b5f86] | 451 | { |
---|
| 452 | *s = '/'; |
---|
[0da65d5] | 453 | bud = jabber_buddy_add( ic, jid ); |
---|
[16b5f86] | 454 | } |
---|
[0d3f30f] | 455 | |
---|
| 456 | g_free( jid ); |
---|
| 457 | return bud; |
---|
[6a1128d] | 458 | } |
---|
| 459 | else |
---|
| 460 | { |
---|
[a21a8ac] | 461 | struct jabber_buddy *best_prio, *best_time; |
---|
| 462 | char *set; |
---|
| 463 | |
---|
[76c85b4c] | 464 | head = g_hash_table_lookup( jd->buddies, jid ); |
---|
[20e830b] | 465 | bud = ( head && head->next ) ? head->next : head; |
---|
[0d3f30f] | 466 | |
---|
| 467 | g_free( jid ); |
---|
| 468 | |
---|
| 469 | if( bud == NULL ) |
---|
[16b5f86] | 470 | /* No match. Create it now? */ |
---|
[f0cb961] | 471 | return ( ( flags & GET_BUDDY_CREAT ) && imcb_find_buddy( ic, jid_ ) ) ? |
---|
[0da65d5] | 472 | jabber_buddy_add( ic, jid_ ) : NULL; |
---|
[16b5f86] | 473 | else if( bud->resource && ( flags & GET_BUDDY_EXACT ) ) |
---|
| 474 | /* We want an exact match, so in thise case there shouldn't be a /resource. */ |
---|
| 475 | return NULL; |
---|
[98de2cc] | 476 | else if( bud->resource == NULL || bud->next == NULL ) |
---|
[16b5f86] | 477 | /* No need for selection if there's only one option. */ |
---|
[0d3f30f] | 478 | return bud; |
---|
[0adce21] | 479 | else if( flags & GET_BUDDY_FIRST ) |
---|
| 480 | /* Looks like the caller doesn't care about details. */ |
---|
| 481 | return bud; |
---|
[76c85b4c] | 482 | else if( flags & GET_BUDDY_BARE ) |
---|
| 483 | return head; |
---|
[0d3f30f] | 484 | |
---|
| 485 | best_prio = best_time = bud; |
---|
[a21a8ac] | 486 | for( ; bud; bud = bud->next ) |
---|
| 487 | { |
---|
| 488 | if( bud->priority > best_prio->priority ) |
---|
| 489 | best_prio = bud; |
---|
[76c85b4c] | 490 | if( bud->last_msg > best_time->last_msg ) |
---|
[a21a8ac] | 491 | best_time = bud; |
---|
| 492 | } |
---|
| 493 | |
---|
[0da65d5] | 494 | if( ( set = set_getstr( &ic->acc->set, "resource_select" ) ) == NULL ) |
---|
[a21a8ac] | 495 | return NULL; |
---|
[76c85b4c] | 496 | else if( strcmp( set, "priority" ) == 0 ) |
---|
[a21a8ac] | 497 | return best_prio; |
---|
[76c85b4c] | 498 | else if( flags & GET_BUDDY_BARE_OK ) /* && strcmp( set, "activity" ) == 0 */ |
---|
| 499 | { |
---|
| 500 | if( best_time->last_msg + set_getint( &ic->acc->set, "activity_timeout" ) >= time( NULL ) ) |
---|
| 501 | return best_time; |
---|
| 502 | else |
---|
| 503 | return head; |
---|
| 504 | } |
---|
| 505 | else |
---|
| 506 | return best_time; |
---|
[6a1128d] | 507 | } |
---|
| 508 | } |
---|
| 509 | |
---|
[b9f8b87] | 510 | /* I'm keeping a separate ext_jid attribute to save a JID that makes sense |
---|
| 511 | to export to BitlBee. This is mainly for groupchats right now. It's |
---|
| 512 | a bit of a hack, but I just think having the user nickname in the hostname |
---|
| 513 | part of the hostmask doesn't look nice on IRC. Normally you can convert |
---|
| 514 | a normal JID to ext_jid by swapping the part before and after the / and |
---|
| 515 | replacing the / with a =. But there should be some stripping (@s are |
---|
| 516 | allowed in Jabber nicks...). */ |
---|
| 517 | struct jabber_buddy *jabber_buddy_by_ext_jid( struct im_connection *ic, char *jid_, get_buddy_flags_t flags ) |
---|
| 518 | { |
---|
| 519 | struct jabber_buddy *bud; |
---|
| 520 | char *s, *jid; |
---|
| 521 | |
---|
| 522 | jid = jabber_normalize( jid_ ); |
---|
| 523 | |
---|
| 524 | if( ( s = strchr( jid, '=' ) ) == NULL ) |
---|
| 525 | return NULL; |
---|
| 526 | |
---|
| 527 | for( bud = jabber_buddy_by_jid( ic, s + 1, GET_BUDDY_FIRST ); bud; bud = bud->next ) |
---|
| 528 | { |
---|
| 529 | /* Hmmm, could happen if not all people in the chat are anonymized? */ |
---|
| 530 | if( bud->ext_jid == NULL ) |
---|
| 531 | continue; |
---|
| 532 | |
---|
| 533 | if( strcmp( bud->ext_jid, jid ) == 0 ) |
---|
| 534 | break; |
---|
| 535 | } |
---|
| 536 | |
---|
| 537 | g_free( jid ); |
---|
| 538 | |
---|
| 539 | return bud; |
---|
| 540 | } |
---|
| 541 | |
---|
[788a1af] | 542 | /* Remove one specific full JID from our list. Use this when a buddy goes |
---|
[0d3f30f] | 543 | off-line (because (s)he can still be online from a different location. |
---|
| 544 | XXX: See above, we should accept bare JIDs too... */ |
---|
[0da65d5] | 545 | int jabber_buddy_remove( struct im_connection *ic, char *full_jid_ ) |
---|
[6a1128d] | 546 | { |
---|
[0da65d5] | 547 | struct jabber_data *jd = ic->proto_data; |
---|
[20e830b] | 548 | struct jabber_buddy *bud, *prev, *bi; |
---|
[0d3f30f] | 549 | char *s, *full_jid; |
---|
[6a1128d] | 550 | |
---|
[0d3f30f] | 551 | full_jid = jabber_normalize( full_jid_ ); |
---|
| 552 | |
---|
| 553 | if( ( s = strchr( full_jid, '/' ) ) ) |
---|
| 554 | *s = 0; |
---|
[6a1128d] | 555 | |
---|
[20e830b] | 556 | if( ( bud = g_hash_table_lookup( jd->buddies, full_jid ) ) ) |
---|
[6a1128d] | 557 | { |
---|
[20e830b] | 558 | if( bud->next ) |
---|
| 559 | bud = bud->next; |
---|
[76c85b4c] | 560 | |
---|
[6a1128d] | 561 | /* If there's only one item in the list (and if the resource |
---|
| 562 | matches), removing it is simple. (And the hash reference |
---|
| 563 | should be removed too!) */ |
---|
[3e6764a] | 564 | if( bud->next == NULL && |
---|
| 565 | ( ( s == NULL && bud->resource == NULL ) || |
---|
[98de2cc] | 566 | ( bud->resource && s && strcmp( bud->resource, s + 1 ) == 0 ) ) ) |
---|
[6a1128d] | 567 | { |
---|
[76c85b4c] | 568 | return jabber_buddy_remove_bare( ic, full_jid ); |
---|
[0d3f30f] | 569 | } |
---|
| 570 | else if( s == NULL || bud->resource == NULL ) |
---|
| 571 | { |
---|
| 572 | /* Tried to remove a bare JID while this JID does seem |
---|
| 573 | to have resources... (Or the opposite.) *sigh* */ |
---|
| 574 | g_free( full_jid ); |
---|
| 575 | return 0; |
---|
[6a1128d] | 576 | } |
---|
| 577 | else |
---|
| 578 | { |
---|
| 579 | for( bi = bud, prev = NULL; bi; bi = (prev=bi)->next ) |
---|
[98de2cc] | 580 | if( strcmp( bi->resource, s + 1 ) == 0 ) |
---|
[6a1128d] | 581 | break; |
---|
| 582 | |
---|
[0d3f30f] | 583 | g_free( full_jid ); |
---|
| 584 | |
---|
[6a1128d] | 585 | if( bi ) |
---|
| 586 | { |
---|
| 587 | if( prev ) |
---|
| 588 | prev->next = bi->next; |
---|
| 589 | else |
---|
| 590 | /* The hash table should point at the second |
---|
| 591 | item, because we're removing the first. */ |
---|
[0d3f30f] | 592 | g_hash_table_replace( jd->buddies, bi->bare_jid, bi->next ); |
---|
[6a1128d] | 593 | |
---|
[6286f80] | 594 | g_free( bi->ext_jid ); |
---|
[a21a8ac] | 595 | g_free( bi->full_jid ); |
---|
[6a1128d] | 596 | g_free( bi->away_message ); |
---|
| 597 | g_free( bi ); |
---|
[0d3f30f] | 598 | |
---|
| 599 | return 1; |
---|
[6a1128d] | 600 | } |
---|
| 601 | else |
---|
| 602 | { |
---|
| 603 | return 0; |
---|
| 604 | } |
---|
| 605 | } |
---|
| 606 | } |
---|
| 607 | else |
---|
| 608 | { |
---|
[0d3f30f] | 609 | g_free( full_jid ); |
---|
[6a1128d] | 610 | return 0; |
---|
| 611 | } |
---|
| 612 | } |
---|
[788a1af] | 613 | |
---|
| 614 | /* Remove a buddy completely; removes all resources that belong to the |
---|
| 615 | specified bare JID. Use this when removing someone from the contact |
---|
| 616 | list, for example. */ |
---|
[9da0bbf] | 617 | int jabber_buddy_remove_bare( struct im_connection *ic, char *bare_jid ) |
---|
[788a1af] | 618 | { |
---|
[0da65d5] | 619 | struct jabber_data *jd = ic->proto_data; |
---|
[788a1af] | 620 | struct jabber_buddy *bud, *next; |
---|
| 621 | |
---|
[9da0bbf] | 622 | if( strchr( bare_jid, '/' ) ) |
---|
[788a1af] | 623 | return 0; |
---|
| 624 | |
---|
[9da0bbf] | 625 | if( ( bud = jabber_buddy_by_jid( ic, bare_jid, GET_BUDDY_FIRST ) ) ) |
---|
[788a1af] | 626 | { |
---|
| 627 | /* Most important: Remove the hash reference. We don't know |
---|
| 628 | this buddy anymore. */ |
---|
[0d3f30f] | 629 | g_hash_table_remove( jd->buddies, bud->bare_jid ); |
---|
[9da0bbf] | 630 | g_free( bud->bare_jid ); |
---|
[788a1af] | 631 | |
---|
| 632 | /* Deallocate the linked list of resources. */ |
---|
| 633 | while( bud ) |
---|
| 634 | { |
---|
[9da0bbf] | 635 | /* ext_jid && anonymous means that this buddy is |
---|
| 636 | specific to one groupchat (the one we're |
---|
| 637 | currently cleaning up) so it can be deleted |
---|
| 638 | completely. */ |
---|
| 639 | if( bud->ext_jid && bud->flags & JBFLAG_IS_ANONYMOUS ) |
---|
| 640 | imcb_remove_buddy( ic, bud->ext_jid, NULL ); |
---|
| 641 | |
---|
[788a1af] | 642 | next = bud->next; |
---|
[6286f80] | 643 | g_free( bud->ext_jid ); |
---|
[788a1af] | 644 | g_free( bud->full_jid ); |
---|
| 645 | g_free( bud->away_message ); |
---|
| 646 | g_free( bud ); |
---|
| 647 | bud = next; |
---|
| 648 | } |
---|
| 649 | |
---|
| 650 | return 1; |
---|
| 651 | } |
---|
| 652 | else |
---|
| 653 | { |
---|
| 654 | return 0; |
---|
| 655 | } |
---|
| 656 | } |
---|
[e35d1a1] | 657 | |
---|
[43671b9] | 658 | time_t jabber_get_timestamp( struct xt_node *xt ) |
---|
| 659 | { |
---|
| 660 | struct tm tp, utc; |
---|
| 661 | struct xt_node *c; |
---|
| 662 | time_t res, tres; |
---|
| 663 | char *s = NULL; |
---|
| 664 | |
---|
| 665 | for( c = xt->children; ( c = xt_find_node( c, "x" ) ); c = c->next ) |
---|
| 666 | { |
---|
| 667 | if( ( s = xt_find_attr( c, "xmlns" ) ) && strcmp( s, XMLNS_DELAY ) == 0 ) |
---|
| 668 | break; |
---|
| 669 | } |
---|
| 670 | |
---|
| 671 | if( !c || !( s = xt_find_attr( c, "stamp" ) ) ) |
---|
| 672 | return 0; |
---|
| 673 | |
---|
| 674 | memset( &tp, 0, sizeof( tp ) ); |
---|
| 675 | if( sscanf( s, "%4d%2d%2dT%2d:%2d:%2d", &tp.tm_year, &tp.tm_mon, &tp.tm_mday, |
---|
| 676 | &tp.tm_hour, &tp.tm_min, &tp.tm_sec ) != 6 ) |
---|
| 677 | return 0; |
---|
| 678 | |
---|
| 679 | tp.tm_year -= 1900; |
---|
| 680 | tp.tm_mon --; |
---|
| 681 | tp.tm_isdst = -1; /* GRRRRRRRRRRR */ |
---|
| 682 | |
---|
| 683 | res = mktime( &tp ); |
---|
| 684 | /* Problem is, mktime() just gave us the GMT timestamp for the |
---|
| 685 | given local time... While the given time WAS NOT local. So |
---|
| 686 | we should fix this now. |
---|
| 687 | |
---|
| 688 | Now I could choose between messing with environment variables |
---|
| 689 | (kludgy) or using timegm() (not portable)... Or doing the |
---|
| 690 | following, which I actually prefer... */ |
---|
| 691 | gmtime_r( &res, &utc ); |
---|
| 692 | utc.tm_isdst = -1; /* Once more: GRRRRRRRRRRRRRRRRRR!!! */ |
---|
| 693 | if( utc.tm_hour == tp.tm_hour && utc.tm_min == tp.tm_min ) |
---|
| 694 | /* Sweet! We're in UTC right now... */ |
---|
| 695 | return res; |
---|
| 696 | |
---|
| 697 | tres = mktime( &utc ); |
---|
| 698 | res += res - tres; |
---|
| 699 | |
---|
| 700 | /* Yes, this is a hack. And it will go wrong around DST changes. |
---|
| 701 | BUT this is more likely to be threadsafe than messing with |
---|
| 702 | environment variables, and possibly more portable... */ |
---|
| 703 | |
---|
| 704 | return res; |
---|
| 705 | } |
---|
[1baaef8] | 706 | |
---|
| 707 | struct jabber_error *jabber_error_parse( struct xt_node *node, char *xmlns ) |
---|
| 708 | { |
---|
[5bd21df] | 709 | struct jabber_error *err; |
---|
[1baaef8] | 710 | struct xt_node *c; |
---|
| 711 | char *s; |
---|
| 712 | |
---|
[5bd21df] | 713 | if( node == NULL ) |
---|
| 714 | return NULL; |
---|
| 715 | |
---|
| 716 | err = g_new0( struct jabber_error, 1 ); |
---|
[1baaef8] | 717 | err->type = xt_find_attr( node, "type" ); |
---|
| 718 | |
---|
| 719 | for( c = node->children; c; c = c->next ) |
---|
| 720 | { |
---|
| 721 | if( !( s = xt_find_attr( c, "xmlns" ) ) || |
---|
| 722 | strcmp( s, xmlns ) != 0 ) |
---|
| 723 | continue; |
---|
| 724 | |
---|
| 725 | if( strcmp( c->name, "text" ) != 0 ) |
---|
| 726 | { |
---|
| 727 | err->code = c->name; |
---|
| 728 | } |
---|
| 729 | /* Only use the text if it doesn't have an xml:lang attribute, |
---|
| 730 | if it's empty or if it's set to something English. */ |
---|
| 731 | else if( !( s = xt_find_attr( c, "xml:lang" ) ) || |
---|
| 732 | !*s || strncmp( s, "en", 2 ) == 0 ) |
---|
| 733 | { |
---|
| 734 | err->text = c->text; |
---|
| 735 | } |
---|
| 736 | } |
---|
| 737 | |
---|
| 738 | return err; |
---|
| 739 | } |
---|
| 740 | |
---|
| 741 | void jabber_error_free( struct jabber_error *err ) |
---|
| 742 | { |
---|
| 743 | g_free( err ); |
---|
| 744 | } |
---|