/* process login reply packet which includes redirected new server address */
static gint _qq_process_login_redirect(PurpleConnection *gc, guint8 *data, gint len)
{
gint bytes, ret;
guint8 *cursor;
gchar *new_server_str;
qq_data *qd;
qq_login_reply_redirect_packet lrrp;
qd = (qq_data *) gc->proto_data;
cursor = data;
bytes = 0;
/* 000-000: reply code */
bytes += read_packet_b(data, &cursor, len, &lrrp.result);
/* 001-004: login uid */
bytes += read_packet_dw(data, &cursor, len, &lrrp.uid);
/* 005-008: redirected new server IP */
bytes += read_packet_data(data, &cursor, len, lrrp.new_server_ip, 4);
/* 009-010: redirected new server port */
bytes += read_packet_w(data, &cursor, len, &lrrp.new_server_port);
if (bytes != QQ_LOGIN_REPLY_REDIRECT_PACKET_LEN) {
purple_debug(PURPLE_DEBUG_ERROR, "QQ",
"Fail parsing login redirect packet, expect %d bytes, read %d bytes\n",
QQ_LOGIN_REPLY_REDIRECT_PACKET_LEN, bytes);
ret = QQ_LOGIN_REPLY_MISC_ERROR;
} else { /* start new connection */
new_server_str = gen_ip_str(lrrp.new_server_ip);
purple_debug(PURPLE_DEBUG_WARNING, "QQ",
"Redirected to new server: %s:%d\n", new_server_str, lrrp.new_server_port);
qq_connect(gc->account, new_server_str, lrrp.new_server_port, qd->use_tcp, TRUE);
g_free(new_server_str);
ret = QQ_LOGIN_REPLY_REDIRECT;
}
return ret;
}
/* process reply for get_buddies_list */
void qq_process_get_buddies_list_reply(guint8 *buf, gint buf_len, GaimConnection *gc)
{
qq_data *qd;
qq_buddy *q_bud;
gint len, bytes, bytes_expected, i;
guint16 position, unknown;
guint8 *data, *cursor, pascal_len;
gchar *name;
GaimBuddy *b;
g_return_if_fail(buf != NULL && buf_len != 0);
qd = (qq_data *) gc->proto_data;
len = buf_len;
data = g_newa(guint8, len);
cursor = data;
if (qq_crypt(DECRYPT, buf, buf_len, qd->session_key, data, &len)) {
read_packet_w(data, &cursor, len, &position);
/* the following data is buddy list in this packet */
i = 0;
while (cursor < (data + len)) {
q_bud = g_new0(qq_buddy, 1);
bytes = 0;
/* 000-003: uid */
bytes += read_packet_dw(data, &cursor, len, &q_bud->uid);
/* 004-005: icon index (1-255) */
bytes += read_packet_w(data, &cursor, len, &q_bud->face);
/* 006-006: age */
bytes += read_packet_b(data, &cursor, len, &q_bud->age);
/* 007-007: gender */
bytes += read_packet_b(data, &cursor, len, &q_bud->gender);
pascal_len = convert_as_pascal_string(cursor, &q_bud->nickname, QQ_CHARSET_DEFAULT);
cursor += pascal_len;
bytes += pascal_len;
bytes += read_packet_w(data, &cursor, len, &unknown);
/* flag1: (0-7)
* bit1 => qq show
* comm_flag: (0-7)
* bit1 => member
* bit4 => TCP mode
* bit5 => open mobile QQ
* bit6 => bind to mobile
* bit7 => whether having a video
*/
bytes += read_packet_b(data, &cursor, len, &q_bud->flag1);
bytes += read_packet_b(data, &cursor, len, &q_bud->comm_flag);
bytes_expected = 12 + pascal_len;
if (q_bud->uid == 0 || bytes != bytes_expected) {
gaim_debug(GAIM_DEBUG_INFO, "QQ",
"Buddy entry, expect %d bytes, read %d bytes\n", bytes_expected, bytes);
g_free(q_bud->nickname);
g_free(q_bud);
continue;
} else {
i++;
}
if (QQ_DEBUG) {
gaim_debug(GAIM_DEBUG_INFO, "QQ",
"buddy [%09d]: flag1=0x%02x, comm_flag=0x%02x\n",
q_bud->uid, q_bud->flag1, q_bud->comm_flag);
}
name = uid_to_gaim_name(q_bud->uid);
b = gaim_find_buddy(gc->account, name);
g_free(name);
if (b == NULL)
b = qq_add_buddy_by_recv_packet(gc, q_bud->uid, TRUE, FALSE);
b->proto_data = q_bud;
qd->buddies = g_list_append(qd->buddies, q_bud);
qq_update_buddy_contact(gc, q_bud);
}
if(cursor > (data + len)) {
gaim_debug(GAIM_DEBUG_ERROR, "QQ",
"qq_process_get_buddies_list_reply: Dangerous error! maybe protocol changed, notify developers!");
}
if (position == QQ_FRIENDS_LIST_POSITION_END) {
gaim_debug(GAIM_DEBUG_INFO, "QQ", "Get friends list done, %d buddies\n", i);
qq_send_packet_get_buddies_online(gc, QQ_FRIENDS_ONLINE_POSITION_START);
} else {
qq_send_packet_get_buddies_list(gc, position);
}
} else {
gaim_debug(GAIM_DEBUG_ERROR, "QQ", "Error decrypt buddies list");
}
}
/* process the reply packet for get_buddies_online packet */
void qq_process_get_buddies_online_reply(guint8 *buf, gint buf_len, GaimConnection *gc)
{
qq_data *qd;
gint len, bytes;
guint8 *data, *cursor, position;
GaimBuddy *b;
qq_buddy *q_bud;
qq_friends_online_entry *fe;
g_return_if_fail(buf != NULL && buf_len != 0);
qd = (qq_data *) gc->proto_data;
len = buf_len;
data = g_newa(guint8, len);
cursor = data;
gaim_debug(GAIM_DEBUG_INFO, "QQ", "processing get_buddies_online_reply\n");
if (qq_crypt(DECRYPT, buf, buf_len, qd->session_key, data, &len)) {
_qq_show_packet("Get buddies online reply packet", data, len);
read_packet_b(data, &cursor, len, &position);
fe = g_newa(qq_friends_online_entry, 1);
fe->s = g_newa(qq_buddy_status, 1);
while (cursor < (data + len)) {
/* based on one online buddy entry */
bytes = 0;
/* 000-030 qq_buddy_status */
bytes += qq_buddy_status_read(data, &cursor, len, fe->s);
/* 031-032: unknown4 */
bytes += read_packet_w(data, &cursor, len, &fe->unknown1);
/* 033-033: flag1 */
bytes += read_packet_b(data, &cursor, len, &fe->flag1);
/* 034-034: comm_flag */
bytes += read_packet_b(data, &cursor, len, &fe->comm_flag);
/* 035-036: */
bytes += read_packet_w(data, &cursor, len, &fe->unknown2);
/* 037-037: */
bytes += read_packet_b(data, &cursor, len, &fe->ending); /* 0x00 */
if (fe->s->uid == 0 || bytes != QQ_ONLINE_BUDDY_ENTRY_LEN) {
gaim_debug(GAIM_DEBUG_ERROR, "QQ",
"uid=0 or entry complete len(%d) != %d",
bytes, QQ_ONLINE_BUDDY_ENTRY_LEN);
g_free(fe->s->ip);
g_free(fe->s->unknown_key);
continue;
} /* check if it is a valid entry */
if (QQ_DEBUG)
_qq_buddies_online_reply_dump_unclear(fe);
/* update buddy information */
b = gaim_find_buddy(gaim_connection_get_account(gc), uid_to_gaim_name(fe->s->uid));
q_bud = (b == NULL) ? NULL : (qq_buddy *) b->proto_data;
if (q_bud != NULL) { /* we find one and update qq_buddy */
if(0 != fe->s->client_version)
q_bud->client_version = fe->s->client_version;
g_memmove(q_bud->ip, fe->s->ip, 4);
q_bud->port = fe->s->port;
q_bud->status = fe->s->status;
q_bud->flag1 = fe->flag1;
q_bud->comm_flag = fe->comm_flag;
qq_update_buddy_contact(gc, q_bud);
}
else {
gaim_debug(GAIM_DEBUG_ERROR, "QQ",
"Got an online buddy %d, but not in my buddy list\n", fe->s->uid);
}
g_free(fe->s->ip);
g_free(fe->s->unknown_key);
}
if(cursor > (data + len)) {
gaim_debug(GAIM_DEBUG_ERROR, "QQ",
"qq_process_get_buddies_online_reply: Dangerous error! maybe protocol changed, notify developers!\n");
}
if (position != QQ_FRIENDS_ONLINE_POSITION_END) {
gaim_debug(GAIM_DEBUG_INFO, "QQ", "Has more online buddies, position from %d\n", position);
qq_send_packet_get_buddies_online(gc, position);
}
else {
qq_send_packet_get_buddies_levels(gc);
qq_refresh_all_buddy_status(gc);
}
} else {
gaim_debug(GAIM_DEBUG_ERROR, "QQ", "Error decrypt buddies online");
}
}
/* process login reply which says OK */
static gint _qq_process_login_ok(PurpleConnection *gc, guint8 *data, gint len)
{
gint bytes;
guint8 *cursor;
qq_data *qd;
qq_login_reply_ok_packet lrop;
qd = (qq_data *) gc->proto_data;
cursor = data;
bytes = 0;
/* 000-000: reply code */
bytes += read_packet_b(data, &cursor, len, &lrop.result);
/* 001-016: session key */
lrop.session_key = g_memdup(cursor, QQ_KEY_LENGTH);
cursor += QQ_KEY_LENGTH;
bytes += QQ_KEY_LENGTH;
purple_debug(PURPLE_DEBUG_INFO, "QQ", "Get session_key done\n");
/* 017-020: login uid */
bytes += read_packet_dw(data, &cursor, len, &lrop.uid);
/* 021-024: server detected user public IP */
bytes += read_packet_data(data, &cursor, len, (guint8 *) &lrop.client_ip, 4);
/* 025-026: server detected user port */
bytes += read_packet_w(data, &cursor, len, &lrop.client_port);
/* 027-030: server detected itself ip 127.0.0.1 ? */
bytes += read_packet_data(data, &cursor, len, (guint8 *) &lrop.server_ip, 4);
/* 031-032: server listening port */
bytes += read_packet_w(data, &cursor, len, &lrop.server_port);
/* 033-036: login time for current session */
bytes += read_packet_time(data, &cursor, len, &lrop.login_time);
/* 037-062: 26 bytes, unknown */
bytes += read_packet_data(data, &cursor, len, (guint8 *) &lrop.unknown1, 26);
/* 063-066: unknown server1 ip address */
bytes += read_packet_data(data, &cursor, len, (guint8 *) &lrop.unknown_server1_ip, 4);
/* 067-068: unknown server1 port */
bytes += read_packet_w(data, &cursor, len, &lrop.unknown_server1_port);
/* 069-072: unknown server2 ip address */
bytes += read_packet_data(data, &cursor, len, (guint8 *) &lrop.unknown_server2_ip, 4);
/* 073-074: unknown server2 port */
bytes += read_packet_w(data, &cursor, len, &lrop.unknown_server2_port);
/* 075-076: 2 bytes unknown */
bytes += read_packet_w(data, &cursor, len, &lrop.unknown2);
/* 077-078: 2 bytes unknown */
bytes += read_packet_w(data, &cursor, len, &lrop.unknown3);
/* 079-110: 32 bytes unknown */
bytes += read_packet_data(data, &cursor, len, (guint8 *) &lrop.unknown4, 32);
/* 111-122: 12 bytes unknown */
bytes += read_packet_data(data, &cursor, len, (guint8 *) &lrop.unknown5, 12);
/* 123-126: login IP of last session */
bytes += read_packet_data(data, &cursor, len, (guint8 *) &lrop.last_client_ip, 4);
/* 127-130: login time of last session */
bytes += read_packet_time(data, &cursor, len, &lrop.last_login_time);
/* 131-138: 8 bytes unknown */
bytes += read_packet_data(data, &cursor, len, (guint8 *) &lrop.unknown6, 8);
if (bytes != QQ_LOGIN_REPLY_OK_PACKET_LEN) { /* fail parsing login info */
purple_debug(PURPLE_DEBUG_WARNING, "QQ",
"Fail parsing login info, expect %d bytes, read %d bytes\n",
QQ_LOGIN_REPLY_OK_PACKET_LEN, bytes);
} /* but we still go on as login OK */
qd->session_key = lrop.session_key;
qd->session_md5 = _gen_session_md5(qd->uid, qd->session_key);
qd->my_ip = gen_ip_str(lrop.client_ip);
qd->my_port = lrop.client_port;
qd->login_time = lrop.login_time;
qd->last_login_time = lrop.last_login_time;
qd->last_login_ip = gen_ip_str(lrop.last_client_ip);
purple_connection_set_state(gc, PURPLE_CONNECTED);
qd->logged_in = TRUE; /* must be defined after sev_finish_login */
/* now initiate QQ Qun, do it first as it may take longer to finish */
qq_group_init(gc);
/* Now goes on updating my icon/nickname, not showing info_window */
qd->modifying_face = FALSE;
qq_send_packet_get_info(gc, qd->uid, FALSE);
/* grab my level */
qq_send_packet_get_level(gc, qd->uid);
qq_send_packet_change_status(gc);
/* refresh buddies */
qq_send_packet_get_buddies_list(gc, QQ_FRIENDS_LIST_POSITION_START);
/* refresh groups */
qq_send_packet_get_all_list_with_group(gc, QQ_FRIENDS_LIST_POSITION_START);
return QQ_LOGIN_REPLY_OK;
}
/* recv an IM from a group chat */
void qq_process_recv_group_im(guint8 *data, guint8 **cursor, gint data_len,
guint32 internal_group_id, GaimConnection *gc, guint16 im_type)
{
gchar *msg_with_gaim_smiley, *msg_utf8_encoded, *im_src_name, *hex_dump;
guint16 unknown;
guint32 unknown4;
GaimConversation *conv;
qq_data *qd;
qq_buddy *member;
qq_group *group;
qq_recv_group_im *im_group;
gint skip_len;
g_return_if_fail(data != NULL && data_len > 0);
qd = (qq_data *) gc->proto_data;
hex_dump = hex_dump_to_str(*cursor, data_len - (*cursor - data));
gaim_debug(GAIM_DEBUG_INFO, "QQ", "group im hex dump\n%s\n", hex_dump);
if (*cursor >= (data + data_len - 1)) {
gaim_debug(GAIM_DEBUG_WARNING, "QQ", "Received group im_group is empty\n");
return;
}
im_group = g_newa(qq_recv_group_im, 1);
read_packet_dw(data, cursor, data_len, &(im_group->external_group_id));
read_packet_b(data, cursor, data_len, &(im_group->group_type));
if(QQ_RECV_IM_TEMP_QUN_IM == im_type) {
read_packet_dw(data, cursor, data_len, &(internal_group_id));
}
read_packet_dw(data, cursor, data_len, &(im_group->member_uid));
read_packet_w(data, cursor, data_len, &unknown); /* 0x0001? */
read_packet_w(data, cursor, data_len, &(im_group->msg_seq));
read_packet_dw(data, cursor, data_len, (guint32 *) & (im_group->send_time));
read_packet_dw(data, cursor, data_len, &unknown4); /* versionID */
/*
* length includes font_attr
* this msg_len includes msg and font_attr
**** the format is ****
* length of all
* 1. unknown 10 bytes
* 2. 0-ended string
* 3. font_attr
*/
read_packet_w(data, cursor, data_len, &(im_group->msg_len));
g_return_if_fail(im_group->msg_len > 0);
/*
* 10 bytes from lumaqq
* contentType = buf.getChar();
* totalFragments = buf.get() & 255;
* fragmentSequence = buf.get() & 255;
* messageId = buf.getChar();
* buf.getInt();
*/
if(im_type != QQ_RECV_IM_UNKNOWN_QUN_IM)
skip_len = 10;
else
skip_len = 0;
*cursor += skip_len;
im_group->msg = g_strdup((gchar *) *cursor);
*cursor += strlen(im_group->msg) + 1;
/* there might not be any font_attr, check it */
im_group->font_attr_len = im_group->msg_len - strlen(im_group->msg) - 1 - skip_len;
if (im_group->font_attr_len > 0)
im_group->font_attr = g_memdup(*cursor, im_group->font_attr_len);
else
im_group->font_attr = NULL;
/* group im_group has no flag to indicate whether it has font_attr or not */
msg_with_gaim_smiley = qq_smiley_to_gaim(im_group->msg);
if (im_group->font_attr_len > 0)
msg_utf8_encoded = qq_encode_to_gaim(im_group->font_attr,
im_group->font_attr_len, msg_with_gaim_smiley);
else
msg_utf8_encoded = qq_to_utf8(msg_with_gaim_smiley, QQ_CHARSET_DEFAULT);
group = qq_group_find_by_id(gc, internal_group_id, QQ_INTERNAL_ID);
g_return_if_fail(group != NULL);
conv = gaim_find_conversation_with_account(GAIM_CONV_TYPE_CHAT, group->group_name_utf8, gaim_connection_get_account(gc));
if (conv == NULL && gaim_prefs_get_bool("/plugins/prpl/qq/prompt_group_msg_on_recv")) {
serv_got_joined_chat(gc, qd->channel++, group->group_name_utf8);
conv = gaim_find_conversation_with_account(GAIM_CONV_TYPE_CHAT, group->group_name_utf8, gaim_connection_get_account(gc));
}
if (conv != NULL) {
member = qq_group_find_member_by_uid(group, im_group->member_uid);
if (member == NULL || member->nickname == NULL)
im_src_name = uid_to_gaim_name(im_group->member_uid);
else
im_src_name = g_strdup(member->nickname);
serv_got_chat_in(gc,
gaim_conv_chat_get_id(GAIM_CONV_CHAT
(conv)), im_src_name, 0, msg_utf8_encoded, im_group->send_time);
g_free(im_src_name);
}
g_free(hex_dump);
g_free(msg_with_gaim_smiley);
g_free(msg_utf8_encoded);
g_free(im_group->msg);
g_free(im_group->font_attr);
}
