[f06894d] | 1 | /***************************************************************************\ |
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| 2 | * * |
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| 3 | * BitlBee - An IRC to IM gateway * |
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| 4 | * Jabber module - IQ packets * |
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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_iq( struct xt_node *node, gpointer data ) |
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| 27 | { |
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[21167d2] | 28 | struct gaim_connection *gc = data; |
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| 29 | struct jabber_data *jd = gc->proto_data; |
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[fe7a554] | 30 | struct xt_node *query, *reply = NULL, *orig = NULL; |
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[70f6aab8] | 31 | char *s, *type, *xmlns; |
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[21167d2] | 32 | int st; |
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| 33 | |
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| 34 | query = xt_find_node( node->children, "query" ); |
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[70f6aab8] | 35 | type = xt_find_attr( node, "type" ); |
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[f06894d] | 36 | |
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[70f6aab8] | 37 | if( !type ) |
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[21167d2] | 38 | return XT_HANDLED; /* Ignore it for now, don't know what's best... */ |
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| 39 | |
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[70f6aab8] | 40 | xmlns = xt_find_attr( query, "xmlns" ); |
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| 41 | |
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[fe7a554] | 42 | if( ( s = xt_find_attr( node, "id" ) ) ) |
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| 43 | orig = jabber_packet_from_cache( gc, s ); |
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| 44 | |
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[70f6aab8] | 45 | if( strcmp( type, "result" ) == 0 && xmlns && strcmp( xmlns, "jabber:iq:auth" ) == 0 ) |
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[21167d2] | 46 | { |
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| 47 | /* Time to authenticate ourselves! */ |
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| 48 | reply = xt_new_node( "query", NULL, NULL ); |
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| 49 | xt_add_attr( reply, "xmlns", "jabber:iq:auth" ); |
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| 50 | xt_add_child( reply, xt_new_node( "username", jd->username, NULL ) ); |
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| 51 | xt_add_child( reply, xt_new_node( "resource", set_getstr( &gc->acc->set, "resource" ), NULL ) ); |
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| 52 | |
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| 53 | if( xt_find_node( query->children, "digest" ) && ( s = xt_find_attr( jd->xt->root, "id" ) ) ) |
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| 54 | { |
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| 55 | /* We can do digest authentication, it seems, and of |
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| 56 | course we prefer that. */ |
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| 57 | SHA_CTX sha; |
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| 58 | char hash_hex[40]; |
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| 59 | unsigned char hash[20]; |
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| 60 | int i; |
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| 61 | |
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| 62 | shaInit( &sha ); |
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| 63 | shaUpdate( &sha, (unsigned char*) s, strlen( s ) ); |
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| 64 | shaUpdate( &sha, (unsigned char*) gc->acc->pass, strlen( gc->acc->pass ) ); |
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| 65 | shaFinal( &sha, hash ); |
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| 66 | |
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| 67 | for( i = 0; i < 20; i ++ ) |
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| 68 | sprintf( hash_hex + i * 2, "%02x", hash[i] ); |
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| 69 | |
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| 70 | xt_add_child( reply, xt_new_node( "digest", hash_hex, NULL ) ); |
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| 71 | } |
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| 72 | else if( xt_find_node( query->children, "password" ) ) |
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| 73 | { |
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| 74 | /* We'll have to stick with plaintext. Let's hope we're using SSL/TLS... */ |
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| 75 | xt_add_child( reply, xt_new_node( "password", gc->acc->pass, NULL ) ); |
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| 76 | } |
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| 77 | else |
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| 78 | { |
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| 79 | xt_free_node( reply ); |
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| 80 | |
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[70f6aab8] | 81 | hide_login_progress( gc, "Can't find suitable authentication method" ); |
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[21167d2] | 82 | signoff( gc ); |
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| 83 | return XT_ABORT; |
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| 84 | } |
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| 85 | |
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| 86 | reply = jabber_make_packet( "iq", "set", NULL, reply ); |
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[fe7a554] | 87 | jabber_cache_packet( gc, reply ); |
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[21167d2] | 88 | st = jabber_write_packet( gc, reply ); |
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| 89 | |
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| 90 | return st ? XT_HANDLED : XT_ABORT; |
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| 91 | } |
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[0b4a0db] | 92 | if( strcmp( type, "result" ) == 0 && xmlns && strcmp( xmlns, "jabber:iq:roster" ) == 0 ) |
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| 93 | { |
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| 94 | struct xt_node *node; |
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| 95 | |
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| 96 | node = query->children; |
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| 97 | while( ( node = xt_find_node( node, "item" ) ) ) |
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| 98 | { |
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| 99 | char *jid = xt_find_attr( node, "jid" ); |
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| 100 | char *name = xt_find_attr( node, "name" ); |
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| 101 | char *sub = xt_find_attr( node, "subscription" ); |
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| 102 | |
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| 103 | if( jid && sub && ( strcmp( sub, "both" ) == 0 || strcmp( sub, "to" ) == 0 ) ) |
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| 104 | add_buddy( gc, NULL, jid, name ); |
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| 105 | |
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| 106 | node = node->next; |
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| 107 | } |
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| 108 | |
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[5e202b0] | 109 | account_online( gc ); |
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[0b4a0db] | 110 | } |
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[fe7a554] | 111 | else if( strcmp( type, "result" ) == 0 && orig ) |
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[70f6aab8] | 112 | { |
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[fe7a554] | 113 | struct xt_node *node; |
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| 114 | |
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| 115 | if( !( jd->flags & JFLAG_AUTHENTICATED ) && |
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| 116 | ( node = xt_find_node( orig->children, "query" ) ) && |
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| 117 | ( node = xt_find_node( node->children, "username" ) ) && |
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| 118 | node->text_len ) |
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[70f6aab8] | 119 | { |
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[fe7a554] | 120 | /* This happens when we just successfully authenticated |
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| 121 | the old (non-SASL) way. */ |
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[70f6aab8] | 122 | jd->flags |= JFLAG_AUTHENTICATED; |
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| 123 | if( !jabber_get_roster( gc ) ) |
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| 124 | return XT_ABORT; |
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| 125 | } |
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[fe7a554] | 126 | else if( ( node = xt_find_node( orig->children, "bind" ) ) || |
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| 127 | ( node = xt_find_node( orig->children, "session" ) ) ) |
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| 128 | { |
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| 129 | if( strcmp( node->name, "bind" ) == 0 ) |
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| 130 | jd->flags &= ~JFLAG_WAIT_BIND; |
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| 131 | else if( strcmp( node->name, "session" ) == 0 ) |
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| 132 | jd->flags &= ~JFLAG_WAIT_SESSION; |
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| 133 | |
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| 134 | if( ( jd->flags & ( JFLAG_WAIT_BIND | JFLAG_WAIT_SESSION ) ) == 0 ) |
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| 135 | { |
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| 136 | if( !jabber_get_roster( gc ) ) |
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| 137 | return XT_ABORT; |
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| 138 | } |
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| 139 | } |
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[70f6aab8] | 140 | } |
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| 141 | else if( strcmp( type, "error" ) == 0 ) |
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| 142 | { |
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| 143 | if( !( jd->flags & JFLAG_AUTHENTICATED ) ) |
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| 144 | { |
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| 145 | hide_login_progress( gc, "Authentication failure" ); |
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| 146 | signoff( gc ); |
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| 147 | return XT_ABORT; |
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| 148 | } |
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| 149 | } |
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[f06894d] | 150 | |
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| 151 | return XT_HANDLED; |
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| 152 | } |
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| 153 | |
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[8d74291] | 154 | int jabber_start_iq_auth( struct gaim_connection *gc ) |
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[21167d2] | 155 | { |
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| 156 | struct jabber_data *jd = gc->proto_data; |
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| 157 | struct xt_node *node; |
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| 158 | int st; |
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| 159 | |
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| 160 | node = xt_new_node( "query", NULL, xt_new_node( "username", jd->username, NULL ) ); |
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| 161 | xt_add_attr( node, "xmlns", "jabber:iq:auth" ); |
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| 162 | node = jabber_make_packet( "iq", "get", NULL, node ); |
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| 163 | |
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| 164 | st = jabber_write_packet( gc, node ); |
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| 165 | |
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| 166 | xt_free_node( node ); |
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| 167 | return st; |
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| 168 | } |
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[70f6aab8] | 169 | |
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| 170 | int jabber_get_roster( struct gaim_connection *gc ) |
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| 171 | { |
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| 172 | struct xt_node *node; |
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| 173 | int st; |
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| 174 | |
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| 175 | set_login_progress( gc, 1, "Authenticated, requesting buddy list" ); |
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| 176 | |
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| 177 | node = xt_new_node( "query", NULL, NULL ); |
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| 178 | xt_add_attr( node, "xmlns", "jabber:iq:roster" ); |
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| 179 | node = jabber_make_packet( "iq", "get", NULL, node ); |
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| 180 | |
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| 181 | st = jabber_write_packet( gc, node ); |
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| 182 | |
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| 183 | xt_free_node( node ); |
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| 184 | return st; |
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| 185 | } |
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