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Pidgin AIM Plugin for ChivaNet

    1: /*
    2:  * Purple's oscar protocol plugin
    3:  * This file is the legal property of its developers.
    4:  * Please see the AUTHORS file distributed alongside this file.
    5:  *
    6:  * This library is free software; you can redistribute it and/or
    7:  * modify it under the terms of the GNU Lesser General Public
    8:  * License as published by the Free Software Foundation; either
    9:  * version 2 of the License, or (at your option) any later version.
   10:  *
   11:  * This library is distributed in the hope that it will be useful,
   12:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
   13:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   14:  * Lesser General Public License for more details.
   15:  *
   16:  * You should have received a copy of the GNU Lesser General Public
   17:  * License along with this library; if not, write to the Free Software
   18:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA
   19: */
   20: 
   21: /*
   22:  * Family 0x0003 (SNAC_FAMILY_BUDDY) - Old-style Buddylist Management (non-SSI).
   23:  *
   24:  */
   25: 
   26: #include "oscar.h"
   27: 
   28: #include <string.h>
   29: 
   30: /*
   31:  * Subtype 0x0002 - Request rights.
   32:  *
   33:  * Request Buddy List rights.
   34:  *
   35:  */
   36: void
   37: aim_buddylist_reqrights(OscarData *od, FlapConnection *conn)
   38: {
   39: 	aim_genericreq_n_snacid(od, conn, SNAC_FAMILY_BUDDY, SNAC_SUBTYPE_BUDDY_REQRIGHTS);
   40: }
   41: 
   42: /*
   43:  * Subtype 0x0003 - Rights.
   44:  *
   45:  */
   46: static int
   47: rights(OscarData *od, FlapConnection *conn, aim_module_t *mod, FlapFrame *frame, aim_modsnac_t *snac, ByteStream *bs)
   48: {
   49: 	aim_rxcallback_t userfunc;
   50: 	GSList *tlvlist;
   51: 	guint16 maxbuddies = 0, maxwatchers = 0;
   52: 	int ret = 0;
   53: 
   54: 	/*
   55: 	 * TLVs follow
   56: 	 */
   57: 	tlvlist = aim_tlvlist_read(bs);
   58: 
   59: 	/*
   60: 	 * TLV type 0x0001: Maximum number of buddies.
   61: 	 */
   62: 	if (aim_tlv_gettlv(tlvlist, 0x0001, 1))
   63: 		maxbuddies = aim_tlv_get16(tlvlist, 0x0001, 1);
   64: 
   65: 	/*
   66: 	 * TLV type 0x0002: Maximum number of watchers.
   67: 	 *
   68: 	 * Watchers are other users who have you on their buddy
   69: 	 * list.  (This is called the "reverse list" by a certain
   70: 	 * other IM protocol.)
   71: 	 *
   72: 	 */
   73: 	if (aim_tlv_gettlv(tlvlist, 0x0002, 1))
   74: 		maxwatchers = aim_tlv_get16(tlvlist, 0x0002, 1);
   75: 
   76: 	/*
   77: 	 * TLV type 0x0003: Unknown.
   78: 	 *
   79: 	 * ICQ only?
   80: 	 */
   81: 
   82: 	if ((userfunc = aim_callhandler(od, snac->family, snac->subtype)))
   83: 		ret = userfunc(od, conn, frame, maxbuddies, maxwatchers);
   84: 
   85: 	aim_tlvlist_free(tlvlist);
   86: 
   87: 	return ret;
   88: }
   89: 
   90: /*
   91:  * Subtypes 0x000b (SNAC_SUBTYPE_BUDDY_ONCOMING) and 0x000c (SNAC_SUBTYPE_BUDDY_OFFGOING) - Change in buddy status
   92:  *
   93:  * Oncoming Buddy notifications contain a subset of the
   94:  * user information structure.  It's close enough to run
   95:  * through aim_info_extract() however.
   96:  *
   97:  * Although the offgoing notification contains no information,
   98:  * it is still in a format parsable by aim_info_extract().
   99:  *
  100:  */
  101: static int
  102: buddychange(OscarData *od, FlapConnection *conn, aim_module_t *mod, FlapFrame *frame, aim_modsnac_t *snac, ByteStream *bs)
  103: {
  104: 	int ret = 0;
  105: 	aim_userinfo_t userinfo;
  106: 	aim_rxcallback_t userfunc;
  107: 
  108: 	aim_info_extract(od, bs, &userinfo);
  109: 
  110: 	if ((userfunc = aim_callhandler(od, snac->family, snac->subtype)))
  111: 		ret = userfunc(od, conn, frame, &userinfo);
  112: 
  113: 	if (snac->subtype == SNAC_SUBTYPE_BUDDY_ONCOMING &&
  114: 	    userinfo.capabilities & OSCAR_CAPABILITY_XTRAZ) {
  115: 		PurpleAccount *account = purple_connection_get_account(od->gc);
  116: 		PurpleBuddy *buddy = purple_find_buddy(account, userinfo.bn);
  117: 
  118: 		if (buddy) {
  119: 			PurplePresence *presence = purple_buddy_get_presence(buddy);
  120: 
  121: 			if (purple_presence_is_status_primitive_active(presence, PURPLE_STATUS_MOOD))
  122: 				icq_im_xstatus_request(od, userinfo.bn);
  123: 		}
  124: 	}
  125: 	aim_info_free(&userinfo);
  126: 
  127: 	return ret;
  128: }
  129: 
  130: static int
  131: snachandler(OscarData *od, FlapConnection *conn, aim_module_t *mod, FlapFrame *frame, aim_modsnac_t *snac, ByteStream *bs)
  132: {
  133: 	if (snac->subtype == SNAC_SUBTYPE_BUDDY_RIGHTSINFO)
  134: 		return rights(od, conn, mod, frame, snac, bs);
  135: 	else if ((snac->subtype == SNAC_SUBTYPE_BUDDY_ONCOMING) || (snac->subtype == SNAC_SUBTYPE_BUDDY_OFFGOING))
  136: 		return buddychange(od, conn, mod, frame, snac, bs);
  137: 
  138: 	return 0;
  139: }
  140: 
  141: int
  142: buddylist_modfirst(OscarData *od, aim_module_t *mod)
  143: {
  144: 	mod->family = SNAC_FAMILY_BUDDY;
  145: 	mod->version = 0x0001;
  146: 	mod->toolid = 0x0110;
  147: 	mod->toolversion = 0x0629;
  148: 	mod->flags = 0;
  149: 	strncpy(mod->name, "buddy", sizeof(mod->name));
  150: 	mod->snachandler = snachandler;
  151: 
  152: 	return 0;
  153: }