示例#1
0
/****************************************************************************
 *
 *  Name:		
 *	Function:	Make Packet head buffer
 *	Remark:		local function
 *	variable:	
 *  
 ****************************************************************************/
void MakePacketHead(unsigned char *packet_head, PPACKET pPacket)
{
	MEMSET(pPacket, 0, sizeof(PACKET));

	// set packet head information;
	pPacket->packet_type = packet_head[PACKET_TYPE_OFFSET];
	pPacket->blank_flag = packet_head[PACKET_BLANKFLAG_OFFSET];
	
	pPacket->packet_index = fetch_long(packet_head + PACKET_INDEX_OFFSET);
	pPacket->packet_repeat = packet_head[PACKET_REPEAT_OFFSET];

	pPacket->packet_length = fetch_long(packet_head + PACKET_LENGTH_OFFSET);
	
}
示例#2
0
void fetch_file_location (struct file_location *loc) {
  int x = fetch_int ();
  if (x == CODE_file_location_unavailable) {
    loc->dc = -1;
    loc->volume = fetch_long ();
    loc->local_id = fetch_int ();
    loc->secret = fetch_long ();
  } else {
    assert (x == CODE_file_location);
    loc->dc = fetch_int ();;
    loc->volume = fetch_long ();
    loc->local_id = fetch_int ();
    loc->secret = fetch_long ();
  }
}
示例#3
0
void fetch_video (struct video *V) {
  memset (V, 0, sizeof (*V));
  unsigned x = fetch_int ();
  V->id = fetch_long ();
  if (x == CODE_video_empty) { return; }
  V->access_hash = fetch_long ();
  V->user_id = fetch_int ();
  V->date = fetch_int ();
  V->caption = fetch_str_dup ();
  V->duration = fetch_int ();
  V->size = fetch_int ();
  fetch_photo_size (&V->thumb);
  V->dc_id = fetch_int ();
  V->w = fetch_int ();
  V->h = fetch_int ();
}
示例#4
0
void ota_save_parameter(UINT8 *p)
{
    unsigned long crc, len;
	
	MEMCPY(p+CHUNK_HEADER_SIZE, &m_ota_cfg, sizeof(m_ota_cfg));
	MG_Setup_CRC_Table();
    len = fetch_long(p + CHUNK_LENGTH);
	crc = (unsigned long)MG_Table_Driven_CRC(0xFFFFFFFF, p + CHUNK_NAME, len);
	store_long( (unsigned char*)(p + CHUNK_CRC), crc);
}
示例#5
0
void fetch_photo (struct photo *P) {
  memset (P, 0, sizeof (*P));
  unsigned x = fetch_int ();
  assert (x == CODE_photo_empty || x == CODE_photo);
  P->id = fetch_long ();
  if (x == CODE_photo_empty) { return; }
  P->access_hash = fetch_long ();
  P->user_id = fetch_int ();
  P->date = fetch_int ();
  P->caption = fetch_str_dup ();
  fetch_geo (&P->geo);
  assert (fetch_int () == CODE_vector);
  P->sizes_num = fetch_int ();
  P->sizes = malloc (sizeof (struct photo_size) * P->sizes_num);
  int i;
  for (i = 0; i < P->sizes_num; i++) {
    fetch_photo_size (&P->sizes[i]);
  }
}
示例#6
0
/****************************************************************************
 *
 *  Name:		packet_receive
 *	Function:	receive a packet
 *	variable:	pPacket 	-- packet information point
 *				nTimeOut	-- time out   
 *  
 ****************************************************************************/
UINT32 packet_receive(PPACKET pPacket, UINT32 nTimeOut)
{
	//receive and compare packet head flag
	unsigned char c = 0;
	BOOL bPacketHead = FALSE;
	BOOL bComtest = FALSE;
	UINT32 i = 0;
	int n = 0;
	UINT32 nLength = 0;
	MEMSET(pPacket, 0, sizeof(PACKET));
	for(i = 0; i < nTimeOut;)
	{
		if( c == 'H')
		{
			// judge if packet head
			for(n = 0; n < 3; n++)
			{
				if(SUCCESS != com_read_tm(&c, 1, 1))
				{
					c = 0;
					break;
				}
				if(c != l_packet_head_flag[n + 1])
					break;
			}

			if(n == 3)
			{
				bPacketHead = TRUE;
				break;
			}
		}
		else if(c == 'c')
		{
			pPacket->data_buffer[0] = 'c';
			LIB_ASH_OC(c);
			//judge if comtest
			for(n = 0; n < 6; n++)
			{
		//		c = LIB_ASH_IC();
				if(SUCCESS != com_read_tm(&c, 1, 100))
				{
					c = 0;
					SH_PRINTF("comtest not all : %d\n", n);
					break;
				}
				if(c != l_packet_comtest[n + 1])
					break;
				LIB_ASH_OC(c);
				
			}

			if(n == 6)
			{
				SH_PRINTF("RECEIVE comtest\n");
				bComtest = TRUE;
				break;
			}

		}
		else if(SUCCESS != com_read(&c, 1))
		{
			Sleep(1);
			i++;
		}	
		
	}

	
	if(bPacketHead)
	{
		//receive packet head
		unsigned char packet_head[PACKET_HEAD_LEN];
		if(SUCCESS != com_read_tm(packet_head + PACKET_TYPE_OFFSET, PACKET_HEAD_LEN - 4, 1000))
		{
			SH_PRINTF("ERROR:receive head error");
			return ERROR_PACKET_RECEIVEHEAD;
		}
		
		//compare CRC about packet head
		UINT32 nCRC = MG_Table_Driven_CRC(0xFFFFFFFF, packet_head + PACKET_TYPE_OFFSET, PACKET_HEAD_LEN - 8);
		if(nCRC != fetch_long(packet_head + PACKET_HEAD_CRC_OFFSET))
			return ERROR_PACKET_HEADCRC;
		
		MakePacketHead(packet_head, pPacket);

		//Receive data and CRC
		nLength = pPacket->packet_length;
	
		// if blank packet receive 4B packet number only
		if(0 != pPacket->blank_flag && PACKET_DATA == pPacket->packet_type)
			nLength = 4;
		
		if(SUCCESS != com_read_tm(pPacket->data_buffer, nLength + 4, 1000))
			return ERROR_PACKET_RECEIVEDATA;

		nCRC = MG_Table_Driven_CRC(0xFFFFFFFF, pPacket->data_buffer, nLength);
		if(nCRC != fetch_long(pPacket->data_buffer + nLength))
			return ERROR_PACKET_DATACRC;
		if(PACKET_DATA == pPacket->packet_type)
		{
			if(1 == pPacket->blank_flag)
				memset(pPacket->data_buffer + 4, 0xFF, pPacket->packet_length - 4);
			else if(2 == pPacket->blank_flag)
				memset(pPacket->data_buffer + 4, 0x00, pPacket->packet_length - 4);
		}
	}
	else if(bComtest)
	{
		pPacket->packet_type = PACKET_COMMAND;
		MEMCPY(pPacket->data_buffer, l_packet_comtest, 7);
		i = 7;
		while(i < 128)
		{
			pPacket->data_buffer[i] = LIB_ASH_IC();
			c = pPacket->data_buffer[i];
			LIB_ASH_OC(c);
			if (c == 0x0D || c == 0x0A)
		            break;			
			i++;
		}

		pPacket->packet_length = STRLEN(pPacket->data_buffer);
//		for(i = 0; i < pPacket->packet_length; i++)
//			LIB_ASH_OC(pPacket->data_buffer[i]);
	
       	SH_PRINTF(pPacket->data_buffer);
		
		g_packet_index = 0;
		g_packet_repeat = 0;
		
	}	
	else
		return ERROR_NOPACKETRECEIVE;
	
	return SUCCESS;
}
示例#7
0
void fetch_user (struct user *U) {
  unsigned x = fetch_int ();
  assert (x == CODE_user_empty || x == CODE_user_self || x == CODE_user_contact ||  x == CODE_user_request || x == CODE_user_foreign || x == CODE_user_deleted);
  U->id = fetch_int ();
  U->flags &= ~(FLAG_EMPTY | FLAG_DELETED | FLAG_USER_SELF | FLAG_USER_FOREIGN | FLAG_USER_CONTACT);
  if (x == CODE_user_empty) {
    U->flags |= FLAG_EMPTY;
    return;
  }
  if (x == CODE_user_self) {
    assert (!our_id || (our_id == U->id));
    if (!our_id) {
      our_id = U->id;
      write_auth_file ();
    }
  }
  if (U->first_name) { free (U->first_name); }
  if (U->last_name) { free (U->last_name); }
  if (U->print_name) { free (U->print_name); }
  U->first_name = fetch_str_dup ();
  U->last_name = fetch_str_dup ();
  if (!strlen (U->first_name)) {
    if (!strlen (U->last_name)) {
      U->print_name = strdup ("none");
    } else {
      U->print_name = strdup (U->last_name);
    }
  } else {
    if (!strlen (U->last_name)) {
      U->print_name = strdup (U->first_name);
    } else {
      U->print_name = malloc (strlen (U->first_name) + strlen (U->last_name) + 2);
      sprintf (U->print_name, "%s_%s", U->first_name, U->last_name);
    }
  }
  char *s = U->print_name;
  while (*s) {
    if (*s == ' ') { *s = '_'; }
    s++;
  }
  int cc = 0;
  while (1) {
    int ok = 1;
    int i;
    for (i = 0; i < user_num + chat_num; i++) {
      if (Peers[i] != (void *)U && Peers[i]->print_name && !strcmp (Peers[i]->print_name, U->print_name)) {
        ok = 0;
        break;
      }
    }
    if (ok) {
      break;
    }
    cc ++;
    assert (cc <= 99);
    if (cc == 1) {
      int l = strlen (U->print_name);
      char *s = malloc (l + 3);
      memcpy (s, U->print_name, l);
      s[l + 2] = 0;
      s[l] = '#';
      s[l + 1] = '1';
      free (U->print_name);
      U->print_name = s;
    } else if (cc == 10) {
      int l = strlen (U->print_name);
      char *s = malloc (l + 2);
      memcpy (s, U->print_name, l);
      s[l + 1] = 0;
      s[l] = '0';
      s[l - 1] = '1';
      free (U->print_name);
      U->print_name = s;
    } else {
      int l = strlen (U->print_name);
      U->print_name[l - 1] ++;
      if (U->print_name[l - 1] > '9') {
        U->print_name[l - 1] = '0';
        U->print_name[l - 2] ++;
      }
    }
  }
  if (x == CODE_user_deleted) {
    U->flags |= FLAG_DELETED;
    return;
  }
  if (x == CODE_user_self) {
    U->flags |= FLAG_USER_SELF;
  } else {
    U->access_hash = fetch_long ();
  }
  if (x == CODE_user_foreign) {
    U->flags |= FLAG_USER_FOREIGN;
    U->phone = 0;
  } else {
    if (U->phone) { free (U->phone); }
    U->phone = fetch_str_dup ();
  }
  //logprintf ("name = %s, surname = %s, phone = %s\n", U->first_name, U->last_name, U->phone);
  unsigned y = fetch_int ();
  //fprintf (stderr, "y = 0x%08x\n", y);
  if (y == CODE_user_profile_photo_empty) {
    U->photo_small.dc = -2;
    U->photo_big.dc = -2;
  } else {
    assert (y == CODE_user_profile_photo || y == 0x990d1493);
    if (y == CODE_user_profile_photo) {
      fetch_long ();
    }
    fetch_file_location (&U->photo_small);
    fetch_file_location (&U->photo_big);
  }
  fetch_user_status (&U->status);
  if (x == CODE_user_self) {
    assert (fetch_int () == (int)CODE_bool_false);
  }
  if (x == CODE_user_contact) {
    U->flags |= FLAG_USER_CONTACT;
  }
}
示例#8
0
文件: binlog.c 项目: 0day1day/tg
void replay_log_event (void) {
  int *start = rptr;
  in_replay_log = 1;
  assert (rptr < wptr);
  int op = *rptr;

  if (verbosity >= 2) {
    logprintf ("log_pos %lld, op 0x%08x\n", binlog_pos, op);
  }

  in_ptr = rptr;
  in_end = wptr;
  switch (op) {
  case LOG_START:
    rptr ++;
    break;
  case CODE_binlog_dc_option:
    in_ptr ++;
    {
      int id = fetch_int ();
      int l1 = prefetch_strlen ();
      char *name = fetch_str (l1);
      int l2 = prefetch_strlen ();
      char *ip = fetch_str (l2);
      int port = fetch_int ();
      if (verbosity) {
        logprintf ( "id = %d, name = %.*s ip = %.*s port = %d\n", id, l1, name, l2, ip, port);
      }
      alloc_dc (id, strndup (ip, l2), port);
    }
    rptr = in_ptr;
    break;
  case LOG_AUTH_KEY:
    rptr ++;
    {
      int num = *(rptr ++);
      assert (num >= 0 && num <= MAX_DC_ID);
      assert (DC_list[num]);
      DC_list[num]->auth_key_id = *(long long *)rptr;
      rptr += 2;
      memcpy (DC_list[num]->auth_key, rptr, 256);
      rptr += 64;
      DC_list[num]->flags |= 1;
    };
    break;
  case LOG_DEFAULT_DC:
    rptr ++;
    { 
      int num = *(rptr ++);
      assert (num >= 0 && num <= MAX_DC_ID);
      DC_working = DC_list[num];
      dc_working_num = num;
    }
    break;
  case LOG_OUR_ID:
    rptr ++;
    {
      our_id = *(rptr ++);
    }
    break;
  case LOG_DC_SIGNED:
    rptr ++;
    {
      int num = *(rptr ++);
      assert (num >= 0 && num <= MAX_DC_ID);
      assert (DC_list[num]);
      DC_list[num]->has_auth = 1;
    }
    break;
  case LOG_DC_SALT:
    rptr ++;
    {
      int num = *(rptr ++);
      assert (num >= 0 && num <= MAX_DC_ID);
      assert (DC_list[num]);
      DC_list[num]->server_salt = *(long long *)rptr;
      rptr += 2;
    };
    break;
/*  case CODE_user_empty:
  case CODE_user_self:
  case CODE_user_contact:
  case CODE_user_request:
  case CODE_user_foreign:
  case CODE_user_deleted:
    fetch_alloc_user ();
    rptr = in_ptr;
    break;*/
  case LOG_DH_CONFIG:
    get_dh_config_on_answer (0);
    rptr = in_ptr;
    break;
  case LOG_ENCR_CHAT_KEY:
    rptr ++;
    {
      peer_id_t id = MK_ENCR_CHAT (*(rptr ++));
      struct secret_chat *U = (void *)user_chat_get (id);
      assert (U);
      U->key_fingerprint = *(long long *)rptr;
      rptr += 2;
      memcpy (U->key, rptr, 256);
      rptr += 64;
    };
    break;
  case LOG_ENCR_CHAT_SEND_ACCEPT:
    rptr ++;
    {
      peer_id_t id = MK_ENCR_CHAT (*(rptr ++));
      struct secret_chat *U = (void *)user_chat_get (id);
      assert (U);
      U->key_fingerprint = *(long long *)rptr;
      rptr += 2;
      memcpy (U->key, rptr, 256);
      rptr += 64;
      if (!U->g_key) {
        U->g_key = malloc (256);
      }
      memcpy (U->g_key, rptr, 256);
      rptr += 64;
    };
    break;
  case LOG_ENCR_CHAT_SEND_CREATE:
    rptr ++;
    {
      peer_id_t id = MK_ENCR_CHAT (*(rptr ++));
      struct secret_chat *U = (void *)user_chat_get (id);
      assert (!U || !(U->flags & FLAG_CREATED));
      if (!U) {
        U = malloc (sizeof (peer_t));
        memset (U, 0, sizeof (peer_t));
        U->id = id;
        insert_encrypted_chat ((void *)U);
      }
      U->flags |= FLAG_CREATED;
      U->user_id = *(rptr ++);
      memcpy (U->key, rptr, 256);
      rptr += 64;
      if (!U->print_name) {  
        peer_t *P = user_chat_get (MK_USER (U->user_id));
        if (P) {
          U->print_name = create_print_name (U->id, "!", P->user.first_name, P->user.last_name, 0);
        } else {
          static char buf[100];
          sprintf (buf, "user#%d", U->user_id);
          U->print_name = create_print_name (U->id, "!", buf, 0, 0);
        }
      }
    };
    break;
  case LOG_ENCR_CHAT_DELETED:
    rptr ++;
    {
      peer_id_t id = MK_ENCR_CHAT (*(rptr ++));
      struct secret_chat *U = (void *)user_chat_get (id);
      if (!U) {
        U = malloc (sizeof (peer_t));
        memset (U, 0, sizeof (peer_t));
        U->id = id;
        insert_encrypted_chat ((void *)U);
      }
      U->flags |= FLAG_CREATED;
      U->state = sc_deleted;
    };
    break;
  case LOG_ENCR_CHAT_WAITING:
    rptr ++;
    {
      peer_id_t id = MK_ENCR_CHAT (*(rptr ++));
      struct secret_chat *U = (void *)user_chat_get (id);
      assert (U);
      U->state = sc_waiting;
      U->date = *(rptr ++);
      U->admin_id = *(rptr ++);
      U->user_id = *(rptr ++);
      U->access_hash = *(long long *)rptr;
      rptr += 2;
    };
    break;
  case LOG_ENCR_CHAT_REQUESTED:
    rptr ++;
    {
      peer_id_t id = MK_ENCR_CHAT (*(rptr ++));
      struct secret_chat *U = (void *)user_chat_get (id);
      if (!U) {
        U = malloc (sizeof (peer_t));
        memset (U, 0, sizeof (peer_t));
        U->id = id;
        insert_encrypted_chat ((void *)U);
      }
      U->flags |= FLAG_CREATED;
      U->state = sc_request;
      U->date = *(rptr ++);
      U->admin_id = *(rptr ++);
      U->user_id = *(rptr ++);
      U->access_hash = *(long long *)rptr;
      if (!U->print_name) {  
        peer_t *P = user_chat_get (MK_USER (U->user_id));
        if (P) {
          U->print_name = create_print_name (U->id, "!", P->user.first_name, P->user.last_name, 0);
        } else {
          static char buf[100];
          sprintf (buf, "user#%d", U->user_id);
          U->print_name = create_print_name (U->id, "!", buf, 0, 0);
        }
      }
      rptr += 2;
    };
    break;
  case LOG_ENCR_CHAT_OK:
    rptr ++;
    {
      peer_id_t id = MK_ENCR_CHAT (*(rptr ++));
      struct secret_chat *U = (void *)user_chat_get (id);
      assert (U);
      U->state = sc_ok;
    }
    break;
  case CODE_binlog_new_user:
    in_ptr ++;
    {
      peer_id_t id = MK_USER (fetch_int ());
      peer_t *_U = user_chat_get (id);
      if (!_U) {
        _U = malloc (sizeof (*_U));
        memset (_U, 0, sizeof (*_U));
        _U->id = id;
        insert_user (_U);
      } else {
        assert (!(_U->flags & FLAG_CREATED));
      }
      struct user *U = (void *)_U;
      U->flags |= FLAG_CREATED;
      if (get_peer_id (id) == our_id) {
        U->flags |= FLAG_USER_SELF;
      }
      U->first_name = fetch_str_dup ();
      U->last_name = fetch_str_dup ();
      U->print_name = create_print_name (U->id, U->first_name, U->last_name, 0, 0);
      U->access_hash = fetch_long ();
      U->phone = fetch_str_dup ();
      if (fetch_int ()) {
        U->flags |= FLAG_USER_CONTACT;
      }
    }
    rptr = in_ptr;
    break;
  case CODE_binlog_user_delete:
    rptr ++;
    {
      peer_id_t id = MK_USER (*(rptr ++));
      peer_t *U = user_chat_get (id);
      assert (U);
      U->flags |= FLAG_DELETED;
    }
    break;
  case CODE_binlog_set_user_access_token:
    rptr ++;
    {
      peer_id_t id = MK_USER (*(rptr ++));
      peer_t *U = user_chat_get (id);
      assert (U);
      U->user.access_hash = *(long long *)rptr;
      rptr += 2;
    }
    break;
  case CODE_binlog_set_user_phone:
    in_ptr ++;
    {
      peer_id_t id = MK_USER (fetch_int ());
      peer_t *U = user_chat_get (id);
      assert (U);
      if (U->user.phone) { free (U->user.phone); }
      U->user.phone = fetch_str_dup ();
    }
    rptr = in_ptr;
    break;
  case CODE_binlog_set_user_friend:
    rptr ++;
    {
      peer_id_t id = MK_USER (*(rptr ++));
      peer_t *U = user_chat_get (id);
      assert (U);
      int friend = *(rptr ++);
      if (friend) { U->flags |= FLAG_USER_CONTACT; }
      else { U->flags &= ~FLAG_USER_CONTACT; }
    }
    break;
  case CODE_binlog_user_full_photo:
    in_ptr ++;
    {
      peer_id_t id = MK_USER (fetch_int ());
      peer_t *U = user_chat_get (id);
      assert (U);
      if (U->flags & FLAG_HAS_PHOTO) {
        free_photo (&U->user.photo);
      }
      fetch_photo (&U->user.photo);
    }
    rptr = in_ptr;
    break;
  case CODE_binlog_user_blocked:
    rptr ++;
    {
      peer_id_t id = MK_USER (*(rptr ++));
      peer_t *U = user_chat_get (id);
      assert (U);
      U->user.blocked = *(rptr ++);
    }
    break;
  case CODE_binlog_set_user_full_name:
    in_ptr ++;
    {
      peer_id_t id = MK_USER (fetch_int ());
      peer_t *U = user_chat_get (id);
      assert (U);
      if (U->user.real_first_name) { free (U->user.real_first_name); }
      if (U->user.real_last_name) { free (U->user.real_last_name); }
      U->user.real_first_name = fetch_str_dup ();
      U->user.real_last_name = fetch_str_dup ();
    }
    rptr = in_ptr;
    break;
  case CODE_binlog_encr_chat_delete:
    rptr ++;
    {
      peer_id_t id = MK_ENCR_CHAT (*(rptr ++));
      peer_t *_U = user_chat_get (id);
      assert (_U);
      struct secret_chat *U = &_U->encr_chat;
      memset (U->key, 0, sizeof (U->key));
      U->flags |= FLAG_DELETED;
      U->state = sc_deleted;
      if (U->nonce) {
        memset (U->nonce, 0, 256);
        free (U->nonce);
        U->nonce = 0;
      }
      if (U->g_key) {
        memset (U->g_key, 0, 256);
        free (U->g_key);
        U->g_key = 0;
      }
    }
    break;
  case CODE_binlog_encr_chat_requested:
    rptr ++;
    {
      peer_id_t id = MK_ENCR_CHAT (*(rptr ++));
      peer_t *_U = user_chat_get (id);
      if (!_U) {
        _U = malloc (sizeof (*_U));
        memset (_U, 0, sizeof (*_U));
        _U->id = id;
        insert_encrypted_chat (_U);
      } else {
        assert (!(_U->flags & FLAG_CREATED));
      }
      struct secret_chat *U = (void *)_U;
      U->access_hash = *(long long *)rptr;
      rptr += 2;
      U->date = *(rptr ++);
      U->admin_id = *(rptr ++);
      U->user_id = *(rptr ++);

      peer_t *Us = user_chat_get (MK_USER (U->user_id));
      if (Us) {
        U->print_name = create_print_name (id, "!", Us->user.first_name, Us->user.last_name, 0);
      } else {
        static char buf[20];
        sprintf (buf, "user#%d", U->user_id);
        U->print_name = create_print_name (id, "!", buf, 0, 0);
      }
      U->g_key = malloc (256);
      U->nonce = malloc (256);
      memcpy (U->g_key, rptr, 256);
      rptr += 64;
      memcpy (U->nonce, rptr, 256);
      rptr += 64;

      U->flags |= FLAG_CREATED;
      U->state = sc_request;
    }
    break;
  case CODE_binlog_set_encr_chat_access_hash:
    rptr ++;
    {
      peer_id_t id = MK_ENCR_CHAT (*(rptr ++));
      peer_t *U = user_chat_get (id);
      assert (U);
      U->encr_chat.access_hash = *(long long *)rptr;
      rptr += 2;
    }
    break;
  case CODE_binlog_set_encr_chat_date:
    rptr ++;
    {
      peer_id_t id = MK_ENCR_CHAT (*(rptr ++));
      peer_t *U = user_chat_get (id);
      assert (U);
      U->encr_chat.date = *(rptr ++);
    }
    break;
  case CODE_binlog_set_encr_chat_state:
    rptr ++;
    {
      peer_id_t id = MK_ENCR_CHAT (*(rptr ++));
      peer_t *U = user_chat_get (id);
      assert (U);
      U->encr_chat.state = *(rptr ++);
    }
    break;
  case CODE_binlog_encr_chat_accepted:
    rptr ++;
    {
      peer_id_t id = MK_ENCR_CHAT (*(rptr ++));
      peer_t *_U = user_chat_get (id);
      assert (_U);
      struct secret_chat *U = &_U->encr_chat;
      if (!U->g_key) {
        U->g_key = malloc (256);
      }
      if (!U->nonce) {
        U->nonce = malloc (256);
      }
      memcpy (U->g_key, rptr, 256);
      rptr += 64;
      memcpy (U->nonce, rptr, 256);
      rptr += 64;
      U->key_fingerprint = *(long long *)rptr;
      rptr += 2;
      if (U->state == sc_waiting) {
        do_create_keys_end (U);
      }
      U->state = sc_ok;
    }
    break;
  case CODE_binlog_set_encr_chat_key:
    rptr ++;
    {
      peer_id_t id = MK_ENCR_CHAT (*(rptr ++));
      peer_t *_U = user_chat_get (id);
      assert (_U);
      struct secret_chat *U = &_U->encr_chat;
      memcpy (U->key, rptr, 256);
      rptr += 64;
      U->key_fingerprint = *(long long *)rptr;
      rptr += 2;
    }
    break;
  case CODE_binlog_set_dh_params:
    rptr ++;
    {
      if (encr_prime) { free (encr_prime); }
      encr_root = *(rptr ++);
      encr_prime = malloc (256);
      memcpy (encr_prime, rptr, 256);
      rptr += 64;
      encr_param_version = *(rptr ++);
    }
    break;
  case CODE_binlog_encr_chat_init:
    rptr ++;
    {
      peer_t *P = malloc (sizeof (*P));
      memset (P, 0, sizeof (*P));
      P->id = MK_ENCR_CHAT (*(rptr ++));
      assert (!user_chat_get (P->id));
      P->encr_chat.user_id = *(rptr ++);
      P->encr_chat.admin_id = our_id;
      insert_encrypted_chat (P);
      peer_t *Us = user_chat_get (MK_USER (P->encr_chat.user_id));
      assert (Us);
      P->print_name = create_print_name (P->id, "!", Us->user.first_name, Us->user.last_name, 0);
      memcpy (P->encr_chat.key, rptr, 256);
      rptr += 64;
      P->encr_chat.g_key = malloc (256);
      memcpy (P->encr_chat.g_key, rptr, 256);
      rptr += 64;
      P->flags |= FLAG_CREATED;
    }
    break;
  case CODE_binlog_set_pts:
    rptr ++;
    pts = *(rptr ++);
    break;
  case CODE_binlog_set_qts:
    rptr ++;
    qts = *(rptr ++);
    break;
  case CODE_binlog_set_date:
    rptr ++;
    last_date = *(rptr ++);
    break;
  case CODE_binlog_set_seq:
    rptr ++;
    seq = *(rptr ++);
    break;
  case CODE_binlog_chat_create:
    in_ptr ++;
    {
      peer_id_t id = MK_CHAT (fetch_int ());
      peer_t *_C = user_chat_get (id);
      if (!_C) {
        _C = malloc (sizeof (*_C));
        memset (_C, 0, sizeof (*_C));
        _C->id = id;
        insert_chat (_C);
      } else {
        assert (!(_C->flags & FLAG_CREATED));
      }
      struct chat *C = &_C->chat;
      C->flags = FLAG_CREATED | fetch_int ();
      C->title = fetch_str_dup ();
      C->print_title = create_print_name (id, C->title, 0, 0, 0);
      C->users_num = fetch_int ();
      C->date = fetch_int ();
      C->version = fetch_int ();
      fetch_data (&C->photo_big, sizeof (struct file_location));
      fetch_data (&C->photo_small, sizeof (struct file_location));
    };
    rptr = in_ptr;
    break;
  case CODE_binlog_chat_change_flags:
    rptr ++;
    {
      peer_t *C = user_chat_get (MK_CHAT (*(rptr ++)));
      assert (C && (C->flags & FLAG_CREATED));
      C->flags |= *(rptr ++);
      C->flags &= ~*(rptr ++);
    };
    break;
  case CODE_binlog_set_chat_title:
    in_ptr ++;
    {
      peer_t *_C = user_chat_get (MK_CHAT (fetch_int ()));
      assert (_C && (_C->flags & FLAG_CREATED));
      struct chat *C = &_C->chat;
      if (C->title) { free (C->title); }
      C->title = fetch_str_dup ();
      C->print_title = create_print_name (C->id, C->title, 0, 0, 0);
    };
    rptr = in_ptr;
    break;
  case CODE_binlog_set_chat_photo:
    in_ptr ++;
    {
      peer_t *C = user_chat_get (MK_CHAT (fetch_int ()));
      assert (C && (C->flags & FLAG_CREATED));
      fetch_data (&C->photo_big, sizeof (struct file_location));
      fetch_data (&C->photo_small, sizeof (struct file_location));
    };
    rptr = in_ptr;
    break;
  case CODE_binlog_set_chat_date:
    rptr ++;
    {
      peer_t *C = user_chat_get (MK_CHAT (*(rptr ++)));
      assert (C && (C->flags & FLAG_CREATED));
      C->chat.date = *(rptr ++);
    };
    break;
  case CODE_binlog_set_chat_version:
    rptr ++;
    {
      peer_t *C = user_chat_get (MK_CHAT (*(rptr ++)));
      assert (C && (C->flags & FLAG_CREATED));
      C->chat.version = *(rptr ++);
      C->chat.users_num = *(rptr ++);
    };
    break;
  case CODE_binlog_set_chat_admin:
    rptr ++;
    {
      peer_t *C = user_chat_get (MK_CHAT (*(rptr ++)));
      assert (C && (C->flags & FLAG_CREATED));
      C->chat.admin_id = *(rptr ++);
    };
    break;
  case CODE_binlog_set_chat_participants:
    rptr ++;
    {
      peer_t *C = user_chat_get (MK_CHAT (*(rptr ++)));
      assert (C && (C->flags & FLAG_CREATED));
      C->chat.user_list_version = *(rptr ++);
      C->chat.user_list_size = *(rptr ++);
      if (C->chat.user_list) { free (C->chat.user_list); }
      C->chat.user_list = malloc (12 * C->chat.user_list_size);
      memcpy (C->chat.user_list, rptr, 12 * C->chat.user_list_size);
      rptr += 3 * C->chat.user_list_size;
    };
    break;
  case CODE_binlog_chat_full_photo:
    in_ptr ++;
    {
      peer_id_t id = MK_CHAT (fetch_int ());
      peer_t *U = user_chat_get (id);
      assert (U && (U->flags & FLAG_CREATED));
      if (U->flags & FLAG_HAS_PHOTO) {
        free_photo (&U->chat.photo);
      }
      fetch_photo (&U->chat.photo);
    }
    rptr = in_ptr;
    break;
  case CODE_binlog_add_chat_participant:
    rptr ++;
    {
      peer_id_t id = MK_CHAT (*(rptr ++));
      peer_t *_C = user_chat_get (id);
      assert (_C && (_C->flags & FLAG_CREATED));
      struct chat *C = &_C->chat;

      int version = *(rptr ++);
      int user = *(rptr ++);
      int inviter = *(rptr ++);
      int date = *(rptr ++);
      assert (C->user_list_version < version);

      int i;
      for (i = 0; i < C->user_list_size; i++) {
        assert (C->user_list[i].user_id != user);
      }
      C->user_list_size ++;
      C->user_list = realloc (C->user_list, 12 * C->user_list_size);
      C->user_list[C->user_list_size - 1].user_id = user;
      C->user_list[C->user_list_size - 1].inviter_id = inviter;
      C->user_list[C->user_list_size - 1].date = date;
      C->user_list_version = version;
    }
    break;
  case CODE_binlog_del_chat_participant:
    rptr ++;
    {
      peer_id_t id = MK_CHAT (*(rptr ++));
      peer_t *_C = user_chat_get (id);
      assert (_C && (_C->flags & FLAG_CREATED));
      struct chat *C = &_C->chat;

      int version = *(rptr ++);
      int user = *(rptr ++);
      assert (C->user_list_version < version);

      int i;
      for (i = 0; i < C->user_list_size; i++) {
        if (C->user_list[i].user_id == user) {
          struct chat_user t;
          t = C->user_list[i];
          C->user_list[i] = C->user_list[C->user_list_size - 1];
          C->user_list[C->user_list_size - 1] = t;
        }
      }
      assert (C->user_list[C->user_list_size - 1].user_id == user);
      C->user_list_size --;
      C->user_list = realloc (C->user_list, 12 * C->user_list_size);
      C->user_list_version = version;
    }
    break;
  case CODE_binlog_create_message_text:
  case CODE_binlog_send_message_text:
    in_ptr ++;
    {
      long long id;
      if (op == CODE_binlog_create_message_text) {
        id = fetch_int ();
      } else {
        id = fetch_long ();
      }
      struct message *M = message_get (id);
      if (!M) {
        M = malloc (sizeof (*M));
        memset (M, 0, sizeof (*M));
        M->id = id;
        message_insert_tree (M);
        messages_allocated ++;
      } else {
        assert (!(M->flags & FLAG_CREATED));
      }
      M->flags |= FLAG_CREATED;
      M->from_id = MK_USER (fetch_int ());
      int t = fetch_int ();
      if (t == PEER_ENCR_CHAT) {
        M->flags |= FLAG_ENCRYPTED;
      }
      M->to_id = set_peer_id (t, fetch_int ());
      M->date = fetch_int ();
      
      int l = prefetch_strlen ();
      M->message = malloc (l + 1);
      memcpy (M->message, fetch_str (l), l);
      M->message[l] = 0;
      M->message_len = l;

      if (t == PEER_ENCR_CHAT) {
        M->media.type = CODE_decrypted_message_media_empty;
      } else {
        M->media.type = CODE_message_media_empty;
      }
      M->unread = 1;
      M->out = get_peer_id (M->from_id) == our_id;

      message_insert (M);
      if (op == CODE_binlog_send_message_text) {
        message_insert_unsent (M);
        M->flags |= FLAG_PENDING;
      }
    }
    rptr = in_ptr;
    break;
  case CODE_binlog_create_message_text_fwd:
    in_ptr ++;
    {
      int id = fetch_int ();
      struct message *M = message_get (id);
      if (!M) {
        M = malloc (sizeof (*M));
        memset (M, 0, sizeof (*M));
        M->id = id;
        message_insert_tree (M);
        messages_allocated ++;
      } else {
        assert (!(M->flags & FLAG_CREATED));
      }
      M->flags |= FLAG_CREATED;
      M->from_id = MK_USER (fetch_int ());
      int t = fetch_int ();
      M->to_id = set_peer_id (t, fetch_int ());
      M->date = fetch_int ();
      M->fwd_from_id = MK_USER (fetch_int ());
      M->fwd_date = fetch_int ();
      
      int l = prefetch_strlen ();
      M->message = malloc (l + 1);
      memcpy (M->message, fetch_str (l), l);
      M->message[l] = 0;
      M->message_len = l;
      
      M->media.type = CODE_message_media_empty;
      M->unread = 1;
      M->out = get_peer_id (M->from_id) == our_id;

      message_insert (M);
    }
    rptr = in_ptr;
    break;
  case CODE_binlog_create_message_media:
    in_ptr ++;
    {
      int id = fetch_int ();
      struct message *M = message_get (id);
      if (!M) {
        M = malloc (sizeof (*M));
        memset (M, 0, sizeof (*M));
        M->id = id;
        message_insert_tree (M);
        messages_allocated ++;
      } else {
        assert (!(M->flags & FLAG_CREATED));
      }
      M->flags |= FLAG_CREATED;
      M->from_id = MK_USER (fetch_int ());
      int t = fetch_int ();
      M->to_id = set_peer_id (t, fetch_int ());
      M->date = fetch_int ();
      
      int l = prefetch_strlen ();
      M->message = malloc (l + 1);
      memcpy (M->message, fetch_str (l), l);
      M->message[l] = 0;
      M->message_len = l;

      fetch_message_media (&M->media);
      M->unread = 1;
      M->out = get_peer_id (M->from_id) == our_id;

      message_insert (M);
    }
    rptr = in_ptr;
    break;
  case CODE_binlog_create_message_media_encr:
    in_ptr ++;
    {
      long long id = fetch_long ();
      struct message *M = message_get (id);
      if (!M) {
        M = malloc (sizeof (*M));
        memset (M, 0, sizeof (*M));
        M->id = id;
        message_insert_tree (M);
        messages_allocated ++;
      } else {
        assert (!(M->flags & FLAG_CREATED));
      }
      M->flags |= FLAG_CREATED | FLAG_ENCRYPTED;
      M->from_id = MK_USER (fetch_int ());
      int t = fetch_int ();
      M->to_id = set_peer_id (t, fetch_int ());
      M->date = fetch_int ();
      
      int l = prefetch_strlen ();
      M->message = malloc (l + 1);
      memcpy (M->message, fetch_str (l), l);
      M->message[l] = 0;
      M->message_len = l;

      fetch_message_media_encrypted (&M->media);
      fetch_encrypted_message_file (&M->media);

      M->unread = 1;
      M->out = get_peer_id (M->from_id) == our_id;

      message_insert (M);
    }
    rptr = in_ptr;
    break;
  case CODE_binlog_create_message_media_fwd:
    in_ptr ++;
    {
      int id = fetch_int ();
      struct message *M = message_get (id);
      if (!M) {
        M = malloc (sizeof (*M));
        memset (M, 0, sizeof (*M));
        M->id = id;
        message_insert_tree (M);
        messages_allocated ++;
      } else {
        assert (!(M->flags & FLAG_CREATED));
      }
      M->flags |= FLAG_CREATED;
      M->from_id = MK_USER (fetch_int ());
      int t = fetch_int ();
      M->to_id = set_peer_id (t, fetch_int ());
      M->date = fetch_int ();
      M->fwd_from_id = MK_USER (fetch_int ());
      M->fwd_date = fetch_int ();
      
      int l = prefetch_strlen ();
      M->message = malloc (l + 1);
      memcpy (M->message, fetch_str (l), l);
      M->message[l] = 0;
      M->message_len = l;

      fetch_message_media (&M->media);
      M->unread = 1;
      M->out = get_peer_id (M->from_id) == our_id;

      message_insert (M);
    }
    rptr = in_ptr;
    break;
  case CODE_binlog_create_message_service:
    in_ptr ++;
    {
      int id = fetch_int ();
      struct message *M = message_get (id);
      if (!M) {
        M = malloc (sizeof (*M));
        memset (M, 0, sizeof (*M));
        M->id = id;
        message_insert_tree (M);
        messages_allocated ++;
      } else {
        assert (!(M->flags & FLAG_CREATED));
      }
      M->flags |= FLAG_CREATED;
      M->from_id = MK_USER (fetch_int ());
      int t = fetch_int ();
      M->to_id = set_peer_id (t, fetch_int ());
      M->date = fetch_int ();

      fetch_message_action (&M->action);
      M->unread = 1;
      M->out = get_peer_id (M->from_id) == our_id;
      M->service = 1;

      message_insert (M);
    }
    rptr = in_ptr;
    break;
  case CODE_binlog_create_message_service_encr:
    in_ptr ++;
    {
      long long id = fetch_long ();
      struct message *M = message_get (id);
      if (!M) {
        M = malloc (sizeof (*M));
        memset (M, 0, sizeof (*M));
        M->id = id;
        message_insert_tree (M);
        messages_allocated ++;
      } else {
        assert (!(M->flags & FLAG_CREATED));
      }
      M->flags |= FLAG_CREATED | FLAG_ENCRYPTED;
      M->from_id = MK_USER (fetch_int ());
      int t = fetch_int ();
      M->to_id = set_peer_id (t, fetch_int ());
      M->date = fetch_int ();

      fetch_message_action_encrypted (&M->action); 
      
      M->unread = 1;
      M->out = get_peer_id (M->from_id) == our_id;
      M->service = 1;

      message_insert (M);
    }
    rptr = in_ptr;
    break;
  case CODE_binlog_create_message_service_fwd:
    in_ptr ++;
    {
      int id = fetch_int ();
      struct message *M = message_get (id);
      if (!M) {
        M = malloc (sizeof (*M));
        memset (M, 0, sizeof (*M));
        M->id = id;
        message_insert_tree (M);
        messages_allocated ++;
      } else {
        assert (!(M->flags & FLAG_CREATED));
      }
      M->flags |= FLAG_CREATED;
      M->from_id = MK_USER (fetch_int ());
      int t = fetch_int ();
      M->to_id = set_peer_id (t, fetch_int ());
      M->date = fetch_int ();
      M->fwd_from_id = MK_USER (fetch_int ());
      M->fwd_date = fetch_int ();
      fetch_message_action (&M->action);
      M->unread = 1;
      M->out = get_peer_id (M->from_id) == our_id;
      M->service = 1;

      message_insert (M);
    }
    rptr = in_ptr;
    break;
  case CODE_binlog_set_unread:
    rptr ++;
    {
      struct message *M = message_get (*(rptr ++));
      assert (M);
      M->unread = 0;
    }
    break;
  case CODE_binlog_set_message_sent:
    rptr ++;
    {
      struct message *M = message_get (*(long long *)rptr);
      rptr += 2;
      assert (M);
      message_remove_unsent (M);
      M->flags &= ~FLAG_PENDING;
    }
    break;
  case CODE_binlog_set_msg_id:
    rptr ++;
    {
      struct message *M = message_get (*(long long *)rptr);
      rptr += 2;
      assert (M);
      if (M->flags & FLAG_PENDING) {
        message_remove_unsent (M);
        M->flags &= ~FLAG_PENDING;
      }
      message_remove_tree (M);
      message_del_peer (M);
      M->id = *(rptr ++);
      if (message_get (M->id)) {
        free_message (M);
        free (M);
      } else {
        message_insert_tree (M);
        message_add_peer (M);
      }
    }
    break;
  case CODE_binlog_delete_msg:
    rptr ++;
    {
      struct message *M = message_get (*(long long *)rptr);
      rptr += 2;
      assert (M);
      if (M->flags & FLAG_PENDING) {
        message_remove_unsent (M);
        M->flags &= ~FLAG_PENDING;
      }
      message_remove_tree (M);
      message_del_peer (M);
      free_message (M);
      free (M);
    }
    break;
  case CODE_update_user_photo:
  case CODE_update_user_name:
    work_update_binlog ();
    rptr = in_ptr;
    break;
  default:
    logprintf ("Unknown logevent [0x%08x] 0x%08x [0x%08x] at %lld\n", *(rptr - 1), op, *(rptr + 1), binlog_pos);

    assert (0);
  }