mirror of
https://github.com/irungentoo/toxcore.git
synced 2024-03-22 13:30:51 +08:00
66 lines
2.2 KiB
C
66 lines
2.2 KiB
C
|
/* bootstrap_server_packets.c
|
||
|
|
*
|
||
|
|
* Special bootstrap server only packets.
|
||
|
|
*
|
||
|
|
* Include it in your bootstrap server and use: bootstrap_set_callbacks() to enable.
|
||
|
|
*
|
||
|
|
* Copyright (C) 2013 Tox project All Rights Reserved.
|
||
|
|
*
|
||
|
|
* This file is part of Tox.
|
||
|
|
*
|
||
|
|
* Tox 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 3 of the License, or
|
||
|
|
* (at your option) any later version.
|
||
|
|
*
|
||
|
|
* Tox 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 Tox. If not, see <http://www.gnu.org/licenses/>.
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
#define MAX_MOTD_LENGTH 256 /* I recommend you use a maximum of 96 bytes. The hard maximum is this though. */
|
||
|
|
|
||
|
|
#define INFO_REQUEST_PACKET_LENGTH 78
|
||
|
|
|
||
|
|
static uint32_t bootstrap_version;
|
||
|
|
static uint8_t bootstrap_motd[MAX_MOTD_LENGTH];
|
||
|
|
static uint16_t bootstrap_motd_length;
|
||
|
|
|
||
|
|
/* To request this packet just send a packet of length INFO_REQUEST_PACKET_LENGTH
|
||
|
|
* with the first byte being BOOTSTRAP_INFO_PACKET_ID
|
||
|
|
*/
|
||
|
|
static int handle_info_request(void *object, IP_Port source, uint8_t *packet, uint32_t length)
|
||
|
|
{
|
||
|
|
if (length != INFO_REQUEST_PACKET_LENGTH)
|
||
|
|
return 1;
|
||
|
|
|
||
|
|
uint8_t data[1 + sizeof(bootstrap_version) + MAX_MOTD_LENGTH];
|
||
|
|
data[0] = BOOTSTRAP_INFO_PACKET_ID;
|
||
|
|
memcpy(data + 1, &bootstrap_version, sizeof(bootstrap_version));
|
||
|
|
uint16_t len = 1 + sizeof(bootstrap_version) + bootstrap_motd_length;
|
||
|
|
memcpy(data + 1 + sizeof(bootstrap_version), bootstrap_motd, bootstrap_motd_length);
|
||
|
|
|
||
|
|
if (sendpacket(object, source, data, len) == len)
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
int bootstrap_set_callbacks(Networking_Core *net, uint32_t version, uint8_t *motd, uint16_t motd_length)
|
||
|
|
{
|
||
|
|
if (motd_length > MAX_MOTD_LENGTH)
|
||
|
|
return -1;
|
||
|
|
|
||
|
|
bootstrap_version = htonl(version);
|
||
|
|
memcpy(bootstrap_motd, motd, motd_length);
|
||
|
|
bootstrap_motd_length = motd_length;
|
||
|
|
|
||
|
|
networking_registerhandler(net, BOOTSTRAP_INFO_PACKET_ID, &handle_info_request, net);
|
||
|
|
return 0;
|
||
|
|
}
|