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Annotation of ChivanetAimPidgin/oscarprpl/src/c/family_buddy.c, revision 1.1

1.1     ! snw         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: }