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qq_base.c
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/**
* @file qq_base.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., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA
*/
#include "internal.h"
#include "debug.h"
#include "server.h"
#include "cipher.h"
#include "request.h"
#include "buddy_info.h"
#include "buddy_list.h"
#include "char_conv.h"
#include "qq_crypt.h"
#include "group.h"
#include "qq_define.h"
#include "qq_network.h"
#include "qq_base.h"
#include "packet_parse.h"
#include "qq.h"
#include "qq_network.h"
#include "utils.h"
#include "group_internal.h"
/* generate a md5 key using uid and session_key */
static void get_session_md5(guint8 *session_md5, guint32 uid, guint8 *session_key)
{
guint8 src[QQ_KEY_LENGTH + QQ_KEY_LENGTH];
gint bytes = 0;
bytes += qq_put32(src + bytes, uid);
bytes += qq_putdata(src + bytes, session_key, QQ_KEY_LENGTH);
qq_get_md5(session_md5, QQ_KEY_LENGTH, src, bytes);
}
/* send logout packets to QQ server */
void qq_request_logout(PurpleConnection *gc)
{
gint i;
qq_data *qd;
guint8 *logout_fill;
qd = (qq_data *) gc->proto_data;
logout_fill = (guint8 *) g_alloca(16);
memset(logout_fill, 0x00,16);
for (i = 0; i < 4; i++)
qq_send_cmd(gc, QQ_CMD_LOGOUT, logout_fill, QQ_KEY_LENGTH);
qd->is_login = FALSE; /* update login status AFTER sending logout packets */
}
/* send keep-alive packet to QQ server (it is a heart-beat) */
void qq_request_keep_alive(PurpleConnection *gc)
{
qq_data *qd;
guint8 raw_data[16] = {0};
gint bytes= 0;
gchar qq[11];
gint len=0;
qd = (qq_data *) gc->proto_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 */
len = g_snprintf(qq, 11, "%u", qd->uid);
bytes += qq_putdata(raw_data + bytes, (guint8 *)qq, len);
qq_send_cmd(gc, QQ_CMD_KEEP_ALIVE, raw_data, bytes);
}
gboolean qq_process_keep_alive(guint8 *data, gint data_len, PurpleConnection *gc)
{
qq_data *qd;
gint bytes= 0;
guint8 ret;
time_t server_time;
struct tm *tm_local;
g_return_val_if_fail(data != NULL && data_len != 0, FALSE);
qd = (qq_data *) gc->proto_data;
/* qq_show_packet("Keep alive reply packet", data, len); */
bytes = 0;
bytes += qq_get8(&ret, data + bytes);
bytes += qq_get32(&qd->online_total, data + bytes);
if(0 == qd->online_total) {
purple_connection_error_reason(gc,
PURPLE_CONNECTION_ERROR_NETWORK_ERROR,
_("Lost connection with server"));
} else {
purple_debug_info("QQ", "Online QQ Account Number : %d", qd->online_total);
}
bytes += qq_getIP(&qd->my_ip, data + bytes);
bytes += qq_get16(&qd->my_port, data + bytes);
/* skip 2 bytes, 0x(00 3c) */
bytes += 2;
bytes += qq_gettime(&server_time, data + bytes);
/* skip 5 bytes, all are 0 */
purple_debug_info("QQ", "keep alive, %s:%d\n",
inet_ntoa(qd->my_ip), qd->my_port);
tm_local = localtime(&server_time);
if (tm_local != NULL)
purple_debug_info("QQ", "Server time: %d-%d-%d, %d:%d:%d\n",
(1900 +tm_local->tm_year), (1 + tm_local->tm_mon), tm_local->tm_mday,
tm_local->tm_hour, tm_local->tm_min, tm_local->tm_sec);
else
purple_debug_error("QQ", "Server time could not be parsed\n");
return TRUE;
}
void qq_request_touch_server(PurpleConnection *gc)
{
qq_data *qd;
guint8 *buf, *raw_data;
gint bytes;
guint8 *encrypted;
gint encrypted_len;
g_return_if_fail(gc != NULL && gc->proto_data != NULL);
qd = (qq_data *) gc->proto_data;
raw_data = g_newa(guint8, 1024);
memset(raw_data, 0, 1024);
encrypted = g_newa(guint8, 1024);
bytes = qq_putdata(raw_data,touch_fill,sizeof(touch_fill));
if (qd->redirect == NULL) {
/* first packet to get server */
qd->redirect_len = 15;
qd->redirect = g_realloc(qd->redirect, qd->redirect_len);
memset(qd->redirect, 0, qd->redirect_len);
}
bytes += qq_putdata(raw_data + bytes, qd->redirect, qd->redirect_len);
encrypted_len = qq_encrypt(encrypted, raw_data, bytes, qd->ld.random_key);
buf = g_newa(guint8, 1024);
memset(buf, 0, 1024);
bytes = 0;
bytes += qq_putdata(buf + bytes, qd->ld.random_key, QQ_KEY_LENGTH);
bytes += qq_putdata(buf + bytes, encrypted, encrypted_len);
qd->send_seq++;
qq_send_cmd_encrypted(gc, QQ_CMD_TOUCH_SERVER, qd->send_seq, buf, bytes, TRUE);
}
guint16 qq_process_touch_server(PurpleConnection *gc, guint8 *data, gint data_len)
{
qq_data *qd;
gint bytes;
guint8 ret;
g_return_val_if_fail (gc != NULL && gc->proto_data != NULL, QQ_LOGIN_REPLY_ERR);
qd = (qq_data *) gc->proto_data;
g_return_val_if_fail (data != NULL, QQ_LOGIN_REPLY_ERR);
/* qq_show_packet("Get Server", data, data_len); */
bytes = 0;
bytes += qq_get8(&ret, data+bytes);
if (ret != 0) {
purple_connection_error_reason(gc,
PURPLE_CONNECTION_ERROR_OTHER_ERROR,
_("Touch server failed"));
return QQ_LOGIN_REPLY_ERR;
}
bytes += qq_gettime(&qd->login_time,data+bytes);
bytes += qq_getIP(&qd->my_ip,data+bytes);
bytes += 8; /* add 8 bytes fill */
/* qq_show_packet("Got token", data + bytes, data_len - bytes); */
if (qd->ld.token_touch != NULL) {
g_free(qd->ld.token_touch);
qd->ld.token_touch = NULL;
qd->ld.token_touch_len = 0;
}
bytes += qq_get16(&qd->ld.token_touch_len,data+bytes);
qd->ld.token_touch = g_new0(guint8, qd->ld.token_touch_len);
bytes += qq_getdata(qd->ld.token_touch,qd->ld.token_touch_len,data+bytes);
qq_get8(&ret,data+bytes); /* redirect flag */
if (ret == 0) {
/* Notice: do not clear redirect_data here. It will be used in login*/
qd->redirect_ip.s_addr = 0;
return QQ_LOGIN_REPLY_OK;
}
qd->redirect_len = 15;
qd->redirect = g_realloc(qd->redirect, qd->redirect_len);
qd->redirect[0] = 0; /* fill first 00 */
qq_getdata(qd->redirect+1, qd->redirect_len, data+bytes);
memset(qd->redirect+11,0xFF,4); /* fill last 4 bytes(redirect_ip) into 0xFF*/
/* qq_show_packet("Redirect to", qd->redirect, qd->redirect_len); */
qq_get8(&qd->redirect_times,data+bytes+1);
qq_getIP(&qd->redirect_ip, data+bytes+10);
purple_debug_info("QQ", "Get server %s\n", inet_ntoa(qd->redirect_ip));
return QQ_TOUCH_REPLY_REDIRECT;
}
void qq_request_captcha(PurpleConnection *gc)
{
qq_data *qd;
guint8 *buf, *raw_data;
gint bytes;
guint8 *encrypted;
gint encrypted_len;
static guint8 captcha_fill[] = {
0x03, 0x00, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
g_return_if_fail(gc != NULL && gc->proto_data != NULL);
qd = (qq_data *) gc->proto_data;
g_return_if_fail(qd->ld.token_touch != NULL && qd->ld.token_touch_len > 0);
raw_data = g_newa(guint8, 1024);
memset(raw_data, 0, 1024);
encrypted = g_newa(guint8, 1024);
bytes = qq_putdata(raw_data,touch_fill,sizeof(touch_fill));
bytes += qq_put16(raw_data + bytes, qd->ld.token_touch_len);
bytes += qq_putdata(raw_data + bytes, qd->ld.token_touch, qd->ld.token_touch_len);
bytes += qq_putdata(raw_data + bytes, captcha_fill,sizeof(captcha_fill));
encrypted_len = qq_encrypt(encrypted, raw_data, bytes, qd->ld.random_key);
buf = g_newa(guint8, 1024);
memset(buf, 0, 1024);
bytes = 0;
bytes += qq_putdata(buf + bytes, qd->ld.random_key, QQ_KEY_LENGTH);
bytes += qq_putdata(buf + bytes, encrypted, encrypted_len);
qd->send_seq++;
qq_send_cmd_encrypted(gc, QQ_CMD_CAPTCHA, qd->send_seq, buf, bytes, TRUE);
}
void qq_request_captcha_next(PurpleConnection *gc)
{
qq_data *qd;
guint8 *buf, *raw_data;
gint bytes;
guint8 *encrypted;
gint encrypted_len;
g_return_if_fail(gc != NULL && gc->proto_data != NULL);
qd = (qq_data *) gc->proto_data;
g_return_if_fail(qd->ld.token_touch != NULL && qd->ld.token_touch_len > 0);
raw_data = g_newa(guint8, 1024);
memset(raw_data, 0, 1024);
encrypted = g_newa(guint8, 1024);
bytes = 0;
bytes = qq_putdata(raw_data,touch_fill,sizeof(touch_fill));
bytes += qq_put16(raw_data + bytes, qd->ld.token_touch_len);
bytes += qq_putdata(raw_data + bytes, qd->ld.token_touch, qd->ld.token_touch_len);
bytes += qq_put8(raw_data + bytes, 3); /* Subcommand */
bytes += qq_put16(raw_data + bytes, 5);
bytes += qq_put32(raw_data + bytes, 0);
bytes += qq_put8(raw_data + bytes, qd->captcha.next_index); /* fragment index */
bytes += qq_put16(raw_data + bytes, qd->captcha.token_len); /* captcha token */
bytes += qq_putdata(raw_data + bytes, qd->captcha.token, qd->captcha.token_len);
encrypted_len = qq_encrypt(encrypted, raw_data, bytes, qd->ld.random_key);
buf = g_newa(guint8, 1024);
memset(buf, 0, 1024);
bytes = 0;
bytes += qq_putdata(buf + bytes, qd->ld.random_key, QQ_KEY_LENGTH);
bytes += qq_putdata(buf + bytes, encrypted, encrypted_len);
qd->send_seq++;
qq_send_cmd_encrypted(gc, QQ_CMD_CAPTCHA, qd->send_seq, buf, bytes, TRUE);
purple_connection_update_progress(gc, _("Requesting captcha"), 3, QQ_CONNECT_STEPS);
}
static void qq_request_captcha_submit(PurpleConnection *gc,
guint8 *token, guint16 token_len, guint8 *code, guint16 code_len)
{
qq_data *qd;
guint8 *buf, *raw_data;
gint bytes;
guint8 *encrypted;
gint encrypted_len;
g_return_if_fail(gc != NULL && gc->proto_data != NULL);
qd = (qq_data *) gc->proto_data;
g_return_if_fail(qd->ld.token_touch != NULL && qd->ld.token_touch_len > 0);
g_return_if_fail(code != NULL && code_len > 0);
raw_data = g_newa(guint8, 1024);
memset(raw_data, 0, 1024);
encrypted = g_newa(guint8, 1024);
bytes = 0;
bytes = qq_putdata(raw_data,touch_fill,sizeof(touch_fill));
bytes += qq_put16(raw_data + bytes, qd->ld.token_touch_len);
bytes += qq_putdata(raw_data + bytes, qd->ld.token_touch, qd->ld.token_touch_len);
bytes += qq_put8(raw_data + bytes, 4); /* Subcommand */
bytes += qq_put16(raw_data + bytes, 5);
bytes += qq_put32(raw_data + bytes, 0);
bytes += qq_put16(raw_data + bytes, code_len);
bytes += qq_putdata(raw_data + bytes, code, code_len);
bytes += qq_put16(raw_data + bytes, qd->ld.token_captcha_len); /* login token ex */
bytes += qq_putdata(raw_data + bytes, qd->ld.token_captcha, qd->ld.token_captcha_len);
encrypted_len = qq_encrypt(encrypted, raw_data, bytes, qd->ld.random_key);
buf = g_newa(guint8, 1024);
memset(buf, 0, 1024);
bytes = 0;
bytes += qq_putdata(buf + bytes, qd->ld.random_key, QQ_KEY_LENGTH);
bytes += qq_putdata(buf + bytes, encrypted, encrypted_len);
qd->send_seq++;
qq_send_cmd_encrypted(gc, QQ_CMD_CAPTCHA, qd->send_seq, buf, bytes, TRUE);
purple_connection_update_progress(gc, _("Checking captcha"), 3, QQ_CONNECT_STEPS);
}
typedef struct {
PurpleConnection *gc;
guint8 *token;
guint16 token_len;
} qq_captcha_request;
static void captcha_request_destroy(qq_captcha_request *captcha_req)
{
g_return_if_fail(captcha_req != NULL);
if (captcha_req->token) g_free(captcha_req->token);
g_free(captcha_req);
}
static void captcha_input_cancel_cb(qq_captcha_request *captcha_req,
PurpleRequestFields *fields)
{
purple_connection_error_reason(captcha_req->gc,
PURPLE_CONNECTION_ERROR_AUTHENTICATION_FAILED,
_("Failed captcha verification"));
captcha_request_destroy(captcha_req);
}
static void captcha_input_ok_cb(qq_captcha_request *captcha_req,
PurpleRequestFields *fields)
{
gchar *code;
g_return_if_fail(captcha_req != NULL && captcha_req->gc != NULL);
code = utf8_to_qq(
purple_request_fields_get_string(fields, "captcha_code"),
QQ_CHARSET_DEFAULT);
if (strlen(code) <= 0) {
captcha_input_cancel_cb(captcha_req, fields);
return;
}
qq_request_captcha_submit(captcha_req->gc,
captcha_req->token, captcha_req->token_len,
(guint8 *)code, strlen(code));
captcha_request_destroy(captcha_req);
}
void qq_captcha_input_dialog(PurpleConnection *gc,qq_captcha_data *captcha)
{
PurpleAccount *account;
PurpleRequestFields *fields;
PurpleRequestFieldGroup *group;
PurpleRequestField *field;
qq_captcha_request *captcha_req;
g_return_if_fail(captcha->token != NULL && captcha->token_len > 0);
g_return_if_fail(captcha->data != NULL && captcha->data_len > 0);
captcha_req = g_new0(qq_captcha_request, 1);
captcha_req->gc = gc;
captcha_req->token = g_new0(guint8, captcha->token_len);
g_memmove(captcha_req->token, captcha->token, captcha->token_len);
captcha_req->token_len = captcha->token_len;
account = purple_connection_get_account(gc);
fields = purple_request_fields_new();
group = purple_request_field_group_new(NULL);
purple_request_fields_add_group(fields, group);
field = purple_request_field_image_new("captcha_img",
_("Captcha Image"), (char *)captcha->data, captcha->data_len);
purple_request_field_group_add_field(group, field);
field = purple_request_field_string_new("captcha_code",
_("Enter code"), "", FALSE);
purple_request_field_string_set_masked(field, FALSE);
purple_request_field_group_add_field(group, field);
purple_request_fields(account,
_("QQ Captcha Verification"),
_("QQ Captcha Verification"),
_("Enter the text from the image"),
fields,
_("OK"), G_CALLBACK(captcha_input_ok_cb),
_("Cancel"), G_CALLBACK(captcha_input_cancel_cb),
purple_connection_get_account(gc), NULL, NULL,
captcha_req);
}
guint8 qq_process_captcha(PurpleConnection *gc, guint8 *data, gint data_len)
{
qq_data *qd;
gint bytes;
guint8 captcha_cmd;
guint8 need_captcha;
guint16 png_len;
guint8 curr_index;
g_return_val_if_fail(data != NULL && data_len != 0, QQ_LOGIN_REPLY_ERR);
g_return_val_if_fail(gc != NULL && gc->proto_data != NULL, QQ_LOGIN_REPLY_ERR);
qd = (qq_data *) gc->proto_data;
bytes = 0;
bytes += qq_get8(&captcha_cmd, data + bytes);
bytes += 2; /* 0x(00 05) */
bytes += qq_get8(&need_captcha, data + bytes);
bytes += 4; /* 00 00 01 23 */
bytes += qq_get16(&(qd->ld.token_captcha_len), data + bytes);
qd->ld.token_captcha = g_realloc(qd->ld.token_captcha, qd->ld.token_captcha_len);
bytes += qq_getdata(qd->ld.token_captcha, qd->ld.token_captcha_len, data + bytes);
/* qq_show_packet("Get token ex", qd->ld.token_ex, qd->ld.token_ex_len); */
if(need_captcha==0)
{
purple_debug_info("QQ", "Captcha verified, result %d\n", need_captcha);
return QQ_LOGIN_REPLY_OK;
}
bytes += qq_get16(&png_len, data + bytes);
qd->captcha.data = g_realloc(qd->captcha.data, qd->captcha.data_len + png_len);
bytes += qq_getdata(qd->captcha.data + qd->captcha.data_len, png_len, data + bytes);
qd->captcha.data_len += png_len;
bytes += qq_get8(&curr_index, data + bytes);
bytes += qq_get8(&qd->captcha.next_index, data + bytes);
bytes += qq_get16(&qd->captcha.token_len, data + bytes);
qd->captcha.token = g_realloc(qd->captcha.token, qd->captcha.token_len);
bytes += qq_getdata(qd->captcha.token, qd->captcha.token_len, data + bytes);
/* qq_show_packet("Get captcha token", qd->captcha.token, qd->captcha.token_len); */
purple_debug_info("QQ", "Request next captcha %d, new %d, total %d\n",
qd->captcha.next_index, png_len, qd->captcha.data_len);
if(qd->captcha.next_index > 0)
{
return QQ_LOGIN_REPLY_NEXT_CAPTCHA;
}
return QQ_LOGIN_REPLY_CAPTCHA_DLG;
}
/* source copy from gg's common.c */
static guint32 crc32_table[256];
static int crc32_initialized = 0;
static void crc32_make_table()
{
guint32 h = 1;
unsigned int i, j;
memset(crc32_table, 0, sizeof(crc32_table));
for (i = 128; i; i >>= 1) {
h = (h >> 1) ^ ((h & 1) ? 0xedb88320L : 0);
for (j = 0; j < 256; j += 2 * i)
crc32_table[i + j] = crc32_table[j] ^ h;
}
crc32_initialized = 1;
}
static guint32 crc32(guint32 crc, const guint8 *buf, int len)
{
if (!crc32_initialized)
crc32_make_table();
if (!buf || len < 0)
return crc;
crc ^= 0xffffffffL;
while (len--)
crc = (crc >> 8) ^ crc32_table[(crc ^ *buf++) & 0xff];
return crc ^ 0xffffffffL;
}
void qq_request_auth(PurpleConnection *gc)
{
qq_data *qd;
guint8 *buf, *raw_data;
gint bytes,i;
guint8 *encrypted;
gint encrypted_len;
guint8 random_key[QQ_KEY_LENGTH];
time_t now = time(NULL);
g_return_if_fail(gc != NULL && gc->proto_data != NULL);
qd = (qq_data *) gc->proto_data;
g_return_if_fail(qd->ld.token_captcha != NULL && qd->ld.token_captcha_len > 0);
raw_data = g_newa(guint8, 1024);
memset(raw_data, 0, 1024);
encrypted = g_newa(guint8, 1024);
/* Encrypted password and put in encrypted */
bytes = 0;
srand(now);
bytes += qq_put32(raw_data + bytes, (rand() & 0x7fff) | ((rand() & 0x7fff) << 15));
raw_data[bytes++]=0x00; raw_data[bytes++]=0x01;
bytes += qq_put32(raw_data + bytes, qd->uid);
bytes += qq_putdata(raw_data + bytes, touch_fill + 8, 12); /* touch_fill Data2 */
raw_data[bytes++]=0x00; raw_data[bytes++]=0x00;
raw_data[bytes++]=0x00; //when login again, it's 0x01
bytes += qq_putdata(raw_data + bytes, qd->ld.pwd_md5, sizeof(qd->ld.pwd_md5));
bytes += qq_puttime(raw_data + bytes, &now);
memset(raw_data + bytes, 0x00, 13);
bytes += 13;
bytes += qq_putIP(raw_data + bytes, &qd->my_ip);
memset(raw_data + bytes, 0x00, 8);
bytes += 8;
bytes += qq_put16(raw_data + bytes, sizeof(random_key));
for (i = 0; i < sizeof(random_key); ++i)
random_key[i] = (guint8) (rand() & 0xff);
bytes += qq_putdata(raw_data + bytes, random_key, sizeof(random_key));
for (i = 0; i < sizeof(qd->ld.keys[4][i]); ++i)
qd->ld.keys[4][i] = (guint8) (rand() & 0xff);
bytes += qq_putdata(raw_data +bytes, qd->ld.keys[4], sizeof(qd->ld.keys[4]));
// encrypted_len = qq_encrypt(encrypted, raw_data, bytes, qd->ld.pwd_twice_md5);
encrypted_len = qq_encrypt(encrypted, raw_data, bytes, qd->ld.pwd_qq_md5);
/* create packet */
bytes = 0;
bytes += qq_put32(raw_data + bytes, 0x00DE0001);
bytes += qq_putdata(raw_data + bytes, touch_fill+2, sizeof(touch_fill)-2);
/* token get from qq_request_captcha */
bytes += qq_put16(raw_data + bytes, qd->ld.token_captcha_len);
bytes += qq_putdata(raw_data + bytes, qd->ld.token_captcha, qd->ld.token_captcha_len);
/* add password encrypted packet */
bytes += qq_put16(raw_data + bytes, encrypted_len);
bytes += qq_putdata(raw_data + bytes, encrypted, encrypted_len);
/* len of random + len of CRC32, wrong */
bytes += qq_put16(raw_data + bytes, sizeof(qd->ld.random_key) + 4);
bytes += qq_putdata(raw_data + bytes, qd->ld.random_key, sizeof(qd->ld.random_key));
bytes += qq_put32(raw_data + bytes, crc32(0xFFFFFFFF, qd->ld.random_key, sizeof(qd->ld.random_key)));
bytes += qq_put32(raw_data + bytes, 0x01772E01);
bytes += qq_put32(raw_data + bytes, (rand() & 0x7fff) | ((rand() & 0x7fff) << 15));
for (i = 0; i < sizeof(random_key); ++i)
random_key[i] = (guint8) (rand() & 0xff);
bytes += qq_put16(raw_data + bytes, sizeof(random_key));
bytes += qq_putdata(raw_data + bytes, random_key, sizeof(random_key));
raw_data[bytes++]=0x02;
bytes += qq_put32(raw_data + bytes, (rand() & 0x7fff) | ((rand() & 0x7fff) << 15));
for (i = 0; i < sizeof(random_key); ++i)
random_key[i] = (guint8) (rand() & 0xff);
bytes += qq_put16(raw_data + bytes, sizeof(random_key));
bytes += qq_putdata(raw_data + bytes, random_key, sizeof(random_key));
/* 00 fill */
memset(raw_data + bytes, 0x00, 328);
bytes += 328;
/* Encrypted by random key*/
encrypted_len = qq_encrypt(encrypted, raw_data, bytes, qd->ld.random_key);
buf = g_newa(guint8, 1024);
memset(buf, 0, 1024);
bytes = 0;
bytes += qq_putdata(buf + bytes, qd->ld.random_key, QQ_KEY_LENGTH);
bytes += qq_putdata(buf + bytes, encrypted, encrypted_len);
qd->send_seq++;
qq_send_cmd_encrypted(gc, QQ_CMD_AUTH, qd->send_seq, buf, bytes, TRUE);
}
guint8 qq_process_auth( PurpleConnection *gc, guint8 *data, gint data_len)
{
qq_data *qd;
int bytes;
guint8 ret;
gchar *error = NULL;
guint16 length;
gchar *msg;
guint16 msg_len;
guint8 i;
PurpleConnectionError reason = PURPLE_CONNECTION_ERROR_AUTHENTICATION_FAILED;
g_return_val_if_fail(data != NULL && data_len != 0, QQ_LOGIN_REPLY_ERR);
g_return_val_if_fail(gc != NULL && gc->proto_data != NULL, QQ_LOGIN_REPLY_ERR);
qd = (qq_data *) gc->proto_data;
/* qq_show_packet("Check password reply", data, data_len); */
bytes = 0;
bytes += qq_get16(&length, data + bytes); /* total length - header(2) - tail(2) */
bytes += qq_get8(&ret, data + bytes);
if (ret == 0) {
/* get token_auth */
if (qd->ld.token_auth == NULL) qd->ld.token_auth = g_new0(guint8 *,4);
for (i=0; i<3; ++i)
{
if (qd->ld.token_auth[i] != NULL) g_free(qd->ld.token_auth[i]);
if (i==1) /* length and time*/
{
bytes +=4; /* bypass 00 09 00 02 */
bytes += qq_gettime(&qd->login_time, data+bytes);
}
bytes += qq_get16(&qd->ld.token_auth_len[i], data + bytes);
qd->ld.token_auth[i] = g_new0(guint8, qd->ld.token_auth_len[i]);
bytes += qq_getdata(qd->ld.token_auth[i], qd->ld.token_auth_len[i], data + bytes);
}
/* Key Used in verify_E5 or verify_DE Request Packet */
bytes += qq_getdata(qd->ld.keys[0], sizeof(qd->ld.keys[0]), data+bytes);
/* token_DE used in verify_DE Packet */
if (qd->ld.token_auth[3] != NULL) g_free(qd->ld.token_auth[3]);
bytes += qq_get16(&qd->ld.token_auth_len[3], data + bytes);
if (qd->ld.token_auth_len[3]) //if user don't have QQ ling pai (dynamic token), it's 00 00
{
bytes++; //fill 02
bytes += qq_get16(&qd->ld.token_auth_len[3], data + bytes); //size (strip prefix)
qd->ld.token_auth[3] = g_new0(guint8, qd->ld.token_auth_len[3]);
bytes += qq_getdata(qd->ld.token_auth[3], qd->ld.token_auth_len[3], data + bytes);
}
/* Key to Decode verify_E5 Response Packet */
qq_getdata(qd->ld.keys[1], sizeof(qd->ld.keys[1]), data+bytes);
/* qq_show_packet("Get login token", qd->ld.login_token, qd->ld.login_token_len); */
if (qd->ld.token_auth_len[3]) //if have this token, we have to request verify_DE
return QQ_LOGIN_REPLY_DE;
else //or request normal verify_E5
return QQ_LOGIN_REPLY_OK;
}
switch (ret)
{
case 0x34: /* invalid password */
if (!purple_account_get_remember_password(gc->account)) {
purple_account_set_password(gc->account, NULL);
}
error = g_strdup(_("Incorrect password"));
reason = PURPLE_CONNECTION_ERROR_AUTHENTICATION_FAILED;
break;
case 0x33: /* need activation */
case 0x51: /* need activation */
error = g_strdup(_("Activation required"));
reason = PURPLE_CONNECTION_ERROR_AUTHENTICATION_FAILED;
break;
case 0xBF: /* uid is not exist */
error = g_strdup(_("Username does not exist"));
reason = PURPLE_CONNECTION_ERROR_INVALID_USERNAME;
break;
default:
qq_hex_dump(PURPLE_DEBUG_WARNING, "QQ", data, data_len,
">>> [default] decrypt and dump");
error = g_strdup_printf(
_("Unknown reply when checking password (0x%02X)"),
ret );
reason = PURPLE_CONNECTION_ERROR_OTHER_ERROR;
break;
}
bytes += 8; /* bypass some fillings */
bytes += qq_get16(&msg_len, data + bytes);
msg = g_strndup((gchar *)data + bytes, msg_len);
purple_debug_error("QQ", "%s: %s\n", error, msg);
purple_connection_error_reason(gc, reason, msg);
g_free(error);
g_free(msg);
return QQ_LOGIN_REPLY_ERR;
}
void qq_request_verify_DE(PurpleConnection *gc)
{
qq_data *qd;
guint8 *buf, *raw_data;
gint bytes = 0;
guint8 *encrypted;
gint encrypted_len;
g_return_if_fail(gc != NULL && gc->proto_data != NULL);
qd = (qq_data *) gc->proto_data;
g_return_if_fail(qd->ld.token_captcha != NULL && qd->ld.token_captcha_len > 0);
g_return_if_fail(qd->ld.token_auth[0] != NULL && qd->ld.token_auth_len[0] > 0);
g_return_if_fail(qd->ld.token_auth[2] != NULL && qd->ld.token_auth_len[2] > 0);
g_return_if_fail(qd->ld.token_auth[3] != NULL && qd->ld.token_auth_len[3] > 0);
g_return_if_fail(qd->ld.keys[0] != NULL);
raw_data = g_newa(guint8, 1024);
memset(raw_data, 0, 1024);
encrypted = g_newa(guint8, 1024);
bytes += qq_put32(raw_data + bytes, 0x00A60001);
bytes += qq_putdata(raw_data + bytes, touch_fill + 2, sizeof(touch_fill) - 2);
bytes += qq_put16(raw_data+bytes, qd->ld.token_captcha_len);
bytes += qq_putdata(raw_data+bytes, qd->ld.token_captcha, qd->ld.token_captcha_len);
bytes += qq_put8(raw_data+bytes, 0x02);
bytes += qq_put16(raw_data+bytes, qd->ld.token_auth_len[0]);
bytes += qq_putdata(raw_data+bytes, qd->ld.token_auth[0], qd->ld.token_auth_len[0]);
bytes += qq_put8(raw_data+bytes, 0x02);
bytes += qq_put16(raw_data+bytes, qd->ld.token_auth_len[3]);
bytes += qq_putdata(raw_data+bytes, qd->ld.token_auth[3], qd->ld.token_auth_len[3]);
memset(raw_data+bytes, 0x00, 22);
*(raw_data+bytes+0) = 0x02;
*(raw_data+bytes+4) = 0x01;
bytes += 22;
encrypted_len = qq_encrypt(encrypted, raw_data, bytes, qd->ld.keys[0]);
buf = g_newa(guint8, 1024);
memset(buf, 0, 1024);
bytes = 0;
bytes += qq_put16(buf+bytes, qd->ld.token_auth_len[2]);
bytes += qq_putdata(buf+bytes, qd->ld.token_auth[2], qd->ld.token_auth_len[2]);
bytes += qq_putdata(buf + bytes, encrypted, encrypted_len);
qd->send_seq++;
qq_send_cmd_encrypted(gc, QQ_CMD_VERIFY_DE, qd->send_seq, buf, bytes, TRUE);
}
guint8 qq_process_verify_DE( PurpleConnection *gc, guint8 *data, gint data_len )
{
qq_data *qd;
int bytes;
g_return_val_if_fail(data != NULL && data_len != 0, QQ_LOGIN_REPLY_ERR);
g_return_val_if_fail(gc != NULL && gc->proto_data != NULL, QQ_LOGIN_REPLY_ERR);
qd = (qq_data *) gc->proto_data;
/* qq_show_packet("Verify DE", data, data_len); */
bytes = 4;
bytes += 2; //size of size + token
bytes += qq_get16(&qd->ld.token_verify_de_len, data+bytes);
qd->ld.token_verify_de = g_new0(guint8, qd->ld.token_verify_de_len);
bytes += qq_getdata(qd->ld.token_verify_de, qd->ld.token_verify_de_len, data+bytes);
return QQ_LOGIN_REPLY_OK;
}
void qq_request_verify_E5(PurpleConnection *gc)
{
qq_data *qd;
guint8 *buf, *raw_data;
gint bytes = 0;
guint8 *encrypted;
gint encrypted_len;
g_return_if_fail(gc != NULL && gc->proto_data != NULL);
qd = (qq_data *) gc->proto_data;
g_return_if_fail(qd->ld.token_captcha != NULL && qd->ld.token_captcha_len > 0);
g_return_if_fail(qd->ld.token_auth[0] != NULL && qd->ld.token_auth_len[0] > 0);
g_return_if_fail(qd->ld.token_auth[1] != NULL && qd->ld.token_auth_len[1] > 0);
g_return_if_fail(qd->ld.token_auth[2] != NULL && qd->ld.token_auth_len[2] > 0);
g_return_if_fail(qd->ld.keys[0] != NULL);
raw_data = g_newa(guint8, 1024);
memset(raw_data, 0, 1024);
encrypted = g_newa(guint8, 1024);
if (qd->ld.token_verify_de && qd->ld.token_verify_de_len > 0)
bytes += qq_put16(raw_data + bytes, 0x010E + qd->ld.token_verify_de_len +3); //size plus token_verify_de
else
bytes += qq_put16(raw_data + bytes, 0x010E); //normal size
bytes += qq_put16(raw_data + bytes, 0x0001);
bytes += qq_putdata(raw_data + bytes, touch_fill + 1, sizeof(touch_fill) - 1);
bytes += qq_put16(raw_data+bytes, qd->ld.token_captcha_len);
bytes += qq_putdata(raw_data+bytes, qd->ld.token_captcha, qd->ld.token_captcha_len);
bytes += qq_put16(raw_data+bytes, qd->ld.token_auth_len[0]);
bytes += qq_putdata(raw_data+bytes, qd->ld.token_auth[0], qd->ld.token_auth_len[0]);
bytes += qq_put16(raw_data+bytes, qd->ld.token_auth_len[1] + 8);
bytes += qq_put16(raw_data+bytes,0x0002);
bytes += qq_puttime(raw_data+bytes, &qd->login_time);
bytes += qq_put16(raw_data+bytes, qd->ld.token_auth_len[1]);
bytes += qq_putdata(raw_data+bytes, qd->ld.token_auth[1], qd->ld.token_auth_len[1]);
if (qd->ld.token_verify_de && qd->ld.token_verify_de_len > 0)
{
bytes += qq_put16(raw_data+bytes, qd->ld.token_verify_de_len + 3);
bytes += qq_put8(raw_data+bytes, 0x02);
bytes += qq_put16(raw_data+bytes, qd->ld.token_verify_de_len);
bytes += qq_putdata(raw_data+bytes, qd->ld.token_verify_de, qd->ld.token_verify_de_len);
} else bytes += qq_put16(raw_data+bytes, 0x0000);
memset(raw_data+bytes, 0x00, 5);
*(raw_data+bytes+0) = 0x01;
bytes += 5;
encrypted_len = qq_encrypt(encrypted, raw_data, bytes, qd->ld.keys[0]);
buf = g_newa(guint8, 1024);
memset(buf, 0, 1024);
bytes = 0;
bytes += qq_put16(buf+bytes, qd->ld.token_auth_len[2]);
bytes += qq_putdata(buf+bytes, qd->ld.token_auth[2], qd->ld.token_auth_len[2]);
bytes += qq_putdata(buf + bytes, encrypted, encrypted_len);
qd->send_seq++;
qq_send_cmd_encrypted(gc, QQ_CMD_VERIFY_E5, qd->send_seq, buf, bytes, TRUE);
}
guint8 qq_process_verify_E5( PurpleConnection *gc, guint8 *data, gint data_len )
{
qq_data *qd;
int bytes;
g_return_val_if_fail(data != NULL && data_len != 0, QQ_LOGIN_REPLY_ERR);
g_return_val_if_fail(gc != NULL && gc->proto_data != NULL, QQ_LOGIN_REPLY_ERR);
qd = (qq_data *) gc->proto_data;
/* qq_show_packet("Verify E5", data, data_len); */
bytes = 4;
bytes += qq_getdata(qd->ld.keys[2], QQ_KEY_LENGTH, data+bytes);
bytes += 8;
bytes += qq_get32(&qd->ld.login_fill, data+bytes);
bytes += qq_gettime(&qd->login_time, data+bytes);
bytes += qq_getIP(&qd->my_ip, data+bytes);
bytes += 8;
if (qd->ld.token_verify == NULL) qd->ld.token_verify = g_new0(guint8 *, 3);
bytes += qq_get16(&qd->ld.token_verify_len[0], data+bytes);
if (qd->ld.token_verify[0] != NULL) g_free(qd->ld.token_verify[0]);
qd->ld.token_verify[0] = g_new0(guint8, qd->ld.token_verify_len[0]);
bytes += qq_getdata(qd->ld.token_verify[0], qd->ld.token_verify_len[0], data+bytes);
bytes += qq_getdata(qd->ld.keys[3], QQ_KEY_LENGTH, data+bytes);
bytes += qq_get16(&qd->ld.token_verify_len[1], data+bytes);
if (qd->ld.token_verify[1] != NULL) g_free(qd->ld.token_verify[1]);
qd->ld.token_verify[1] = g_new0(guint8, qd->ld.token_verify_len[1]);
bytes += qq_getdata(qd->ld.token_verify[1], qd->ld.token_verify_len[1], data+bytes);
bytes += 41;
bytes += qq_get16(&qd->ld.token_verify_len[2], data+bytes);
if (qd->ld.token_verify[2] != NULL) g_free(qd->ld.token_verify[2]);
qd->ld.token_verify[2] = g_new0(guint8, qd->ld.token_verify_len[2]);
bytes += qq_getdata(qd->ld.token_verify[2], qd->ld.token_verify_len[2], data+bytes);
return QQ_LOGIN_REPLY_OK;
}
void qq_request_verify_E3( PurpleConnection *gc )
{
qq_data *qd;
guint8 *buf, *raw_data;
gint bytes = 0;
guint8 *encrypted;
gint encrypted_len;
g_return_if_fail(gc != NULL && gc->proto_data != NULL);
qd = (qq_data *) gc->proto_data;
g_return_if_fail(qd->ld.token_captcha != NULL && qd->ld.token_captcha_len > 0);
g_return_if_fail(qd->ld.token_verify[1] != NULL && qd->ld.token_verify_len[0] > 0);
g_return_if_fail(qd->ld.token_auth[2] != NULL && qd->ld.token_auth_len[2] > 0);
g_return_if_fail(qd->ld.keys[0] != NULL);
raw_data = g_newa(guint8, 1024);
memset(raw_data, 0, 1024);
encrypted = g_newa(guint8, 1024);
bytes += qq_put16(raw_data + bytes, 0x00C8);
bytes += qq_putdata(raw_data + bytes, touch_fill, sizeof(touch_fill));
bytes += qq_put16(raw_data+bytes, qd->ld.token_captcha_len);
bytes += qq_putdata(raw_data+bytes, qd->ld.token_captcha, qd->ld.token_captcha_len);
bytes += qq_put16(raw_data+bytes, qd->ld.token_verify_len[1]);
bytes += qq_putdata(raw_data+bytes, qd->ld.token_verify[1], qd->ld.token_verify_len[1]);
bytes += qq_put32(raw_data+bytes, 0x00000020);
memset(raw_data+bytes, 0x00, 32);
bytes += 32;
encrypted_len = qq_encrypt(encrypted, raw_data, bytes, qd->ld.keys[0]);
buf = g_newa(guint8, 1024);
memset(buf, 0, 1024);
bytes = 0;
bytes += qq_put16(buf+bytes, qd->ld.token_auth_len[2]);
bytes += qq_putdata(buf+bytes, qd->ld.token_auth[2], qd->ld.token_auth_len[2]);
bytes += qq_putdata(buf + bytes, encrypted, encrypted_len);
qd->send_seq++;
qq_send_cmd_encrypted(gc, QQ_CMD_VERIFY_E3, qd->send_seq, buf, bytes, TRUE);
}
guint8 qq_process_verify_E3( PurpleConnection *gc, guint8 *data, gint data_len )
{
qq_data *qd;
int bytes;
guint8 ret;
guint8 len;
g_return_val_if_fail(data != NULL && data_len != 0, QQ_LOGIN_REPLY_ERR);
g_return_val_if_fail(gc != NULL && gc->proto_data != NULL, QQ_LOGIN_REPLY_ERR);
qd = (qq_data *) gc->proto_data;