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/**
* @file keep_alive.c
*
* purple
*
* Purple is the legal property of its developers, whose names are too numerous
* to list here. Please refer to the COPYRIGHT file distributed with this
* source distribution.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*
* OICQ encryption algorithm
* Convert from ASM code provided by PerlOICQ
*
* Puzzlebird, Nov-Dec 2002
*/
#include "internal.h"
#include "debug.h"
#include "server.h"
#include "buddy_info.h"
#include "buddy_list.h"
#include "buddy_status.h"
#include "crypt.h"
#include "header_info.h"
#include "keep_alive.h"
#include "packet_parse.h"
#include "send_core.h"
#include "utils.h"
#define QQ_UPDATE_ONLINE_INTERVAL 300 /* in sec */
/* send keep-alive packet to QQ server (it is a heart-beat) */
void qq_send_packet_keep_alive(PurpleConnection *gc)
{
qq_data *qd;
guint8 *raw_data, *cursor;
qd = (qq_data *) gc->proto_data;
raw_data = g_newa(guint8, 4);
cursor = raw_data;
/* In fact, we can send whatever we like to server
* with this command, server return the same result including
* the amount of online QQ users, my ip and port */
create_packet_dw(raw_data, &cursor, qd->uid);
qq_send_cmd(gc, QQ_CMD_KEEP_ALIVE, TRUE, 0, TRUE, raw_data, 4);
}
/* parse the return of keep-alive packet, it includes some system information */
void qq_process_keep_alive_reply(guint8 *buf, gint buf_len, PurpleConnection *gc)
{
qq_data *qd;
gint len;
gchar **segments;
guint8 *data;
g_return_if_fail(buf != NULL && buf_len != 0);
qd = (qq_data *) gc->proto_data;
len = buf_len;
data = g_newa(guint8, len);
if (qq_crypt(DECRYPT, buf, buf_len, qd->session_key, data, &len)) {
/* the last one is 60, don't know what it is */
if (NULL == (segments = split_data(data, len, "\x1f", 6)))
return;
/* segments[0] and segment[1] are all 0x30 ("0") */
qd->all_online = strtol(segments[2], NULL, 10);
if(0 == qd->all_online)
purple_connection_error(gc, _("Keep alive error"));
g_free(qd->my_ip);
qd->my_ip = g_strdup(segments[3]);
qd->my_port = strtol(segments[4], NULL, 10);
g_strfreev(segments);
} else
purple_debug(PURPLE_DEBUG_ERROR, "QQ", "Error decrypt keep alive reply\n");
/* we refresh buddies's online status periodically */
/* qd->last_get_online is updated when setting get_buddies_online packet */
if ((time(NULL) - qd->last_get_online) >= QQ_UPDATE_ONLINE_INTERVAL)
qq_send_packet_get_buddies_online(gc, QQ_FRIENDS_ONLINE_POSITION_START);
}
/* refresh all buddies online/offline,
* after receiving reply for get_buddies_online packet */
void qq_refresh_all_buddy_status(PurpleConnection *gc)
{
time_t now;
GList *list;
qq_data *qd;
qq_buddy *q_bud;
qd = (qq_data *) (gc->proto_data);
now = time(NULL);
list = qd->buddies;
while (list != NULL) {
q_bud = (qq_buddy *) list->data;
if (q_bud != NULL && now > q_bud->last_refresh + QQ_UPDATE_ONLINE_INTERVAL
&& q_bud->status != QQ_BUDDY_ONLINE_INVISIBLE) {
q_bud->status = QQ_BUDDY_ONLINE_OFFLINE;
qq_update_buddy_contact(gc, q_bud);
}
list = list->next;
}
}
/*TODO: maybe this should be qq_update_buddy_status() ?*/
void qq_update_buddy_contact(PurpleConnection *gc, qq_buddy *q_bud)
{
gchar *name;
PurpleBuddy *bud;
gchar *status_id;
g_return_if_fail(q_bud != NULL);
name = uid_to_purple_name(q_bud->uid);
bud = purple_find_buddy(gc->account, name);
g_return_if_fail(bud != NULL);
if (bud != NULL) {
purple_blist_server_alias_buddy(bud, q_bud->nickname); /* server */
q_bud->last_refresh = time(NULL);
/* purple supports signon and idle time
* but it is not much use for QQ, I do not use them */
/* serv_got_update(gc, name, online, 0, q_bud->signon, q_bud->idle, bud->uc); */
status_id = "available";
switch(q_bud->status) {
case QQ_BUDDY_OFFLINE:
status_id = "offline";
break;
case QQ_BUDDY_ONLINE_NORMAL:
status_id = "available";
break;
case QQ_BUDDY_ONLINE_OFFLINE:
status_id = "offline";
break;
case QQ_BUDDY_ONLINE_AWAY:
status_id = "away";
break;
case QQ_BUDDY_ONLINE_INVISIBLE:
status_id = "invisible";
break;
default:
status_id = "invisible";
purple_debug(PURPLE_DEBUG_ERROR, "QQ", "unknown status: %x\n", q_bud->status);
break;
}
purple_debug(PURPLE_DEBUG_INFO, "QQ", "set buddy %d to %s\n", q_bud->uid, status_id);
purple_prpl_got_user_status(gc->account, name, status_id, NULL);
if (q_bud->comm_flag & QQ_COMM_FLAG_BIND_MOBILE && q_bud->status != QQ_BUDDY_OFFLINE)
purple_prpl_got_user_status(gc->account, name, "mobile", NULL);
else
purple_prpl_got_user_status_deactive(gc->account, name, "mobile");
} else {
purple_debug(PURPLE_DEBUG_ERROR, "QQ", "unknown buddy: %d\n", q_bud->uid);
}
purple_debug(PURPLE_DEBUG_INFO, "QQ", "qq_update_buddy_contact, client=%04x\n", q_bud->client_version);
g_free(name);
}
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