mirror of https://github.com/irungentoo/toxcore
66 lines
2.2 KiB
C
66 lines
2.2 KiB
C
/* bootstrap_node_packets.c
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*
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* Special bootstrap node only packets.
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*
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* Include it in your bootstrap node and use: bootstrap_set_callbacks() to enable.
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*
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* Copyright (C) 2013 Tox project All Rights Reserved.
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*
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* This file is part of Tox.
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*
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* Tox is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Tox is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Tox. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "bootstrap_node_packets.h"
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#define INFO_REQUEST_PACKET_LENGTH 78
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static uint32_t bootstrap_version;
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static uint8_t bootstrap_motd[MAX_MOTD_LENGTH];
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static uint16_t bootstrap_motd_length;
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/* To request this packet just send a packet of length INFO_REQUEST_PACKET_LENGTH
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* with the first byte being BOOTSTRAP_INFO_PACKET_ID
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*/
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static int handle_info_request(void *object, IP_Port source, const uint8_t *packet, uint16_t length)
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{
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if (length != INFO_REQUEST_PACKET_LENGTH)
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return 1;
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uint8_t data[1 + sizeof(bootstrap_version) + MAX_MOTD_LENGTH];
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data[0] = BOOTSTRAP_INFO_PACKET_ID;
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memcpy(data + 1, &bootstrap_version, sizeof(bootstrap_version));
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uint16_t len = 1 + sizeof(bootstrap_version) + bootstrap_motd_length;
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memcpy(data + 1 + sizeof(bootstrap_version), bootstrap_motd, bootstrap_motd_length);
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if (sendpacket(object, source, data, len) == len)
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return 0;
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return 1;
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}
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int bootstrap_set_callbacks(Networking_Core *net, uint32_t version, uint8_t *motd, uint16_t motd_length)
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{
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if (motd_length > MAX_MOTD_LENGTH)
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return -1;
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bootstrap_version = htonl(version);
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memcpy(bootstrap_motd, motd, motd_length);
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bootstrap_motd_length = motd_length;
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networking_registerhandler(net, BOOTSTRAP_INFO_PACKET_ID, &handle_info_request, net);
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return 0;
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}
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