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/*
Mac-Telnet - Connect to RouterOS routers via MAC address
Copyright (C) 2010, Håkon Nessjøen <haakon.nessjoen@gmail.com>
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 02110-1301 USA.
*/
#ifndef _MACTELNET_H
#define _MACTELNET_H 1
#define MT_HEADER_LEN 22
#define MT_CPHEADER_LEN 9
#define MT_PACKET_LEN 1500
#define MT_MACTELNET_PORT 20561
#define MT_MNDP_PORT 5678
#define MT_MNDP_MAX_IDENTITY_LENGTH 64
#define MT_MNDP_TIMEOUT 5
#define MT_MNDP_LONGTIMEOUT 120
/* Packet type */
#define MT_PTYPE_SESSIONSTART 0
#define MT_PTYPE_DATA 1
#define MT_PTYPE_ACK 2
#define MT_PTYPE_END 255
/* Control packet type */
#define MT_CPTYPE_BEGINAUTH 0
#define MT_CPTYPE_ENCRYPTIONKEY 1
#define MT_CPTYPE_PASSWORD 2
#define MT_CPTYPE_USERNAME 3
#define MT_CPTYPE_TERM_TYPE 4
#define MT_CPTYPE_TERM_WIDTH 5
#define MT_CPTYPE_TERM_HEIGHT 6
#define MT_CPTYPE_PACKET_ERROR 7
#define MT_CPTYPE_END_AUTH 9
/* Internal CPTYPE, not part of protocol */
#define MT_CPTYPE_PLAINDATA -1
struct mt_mactelnet_hdr {
unsigned char ver;
unsigned char ptype;
unsigned int clienttype;
unsigned char srcaddr[6];
unsigned char dstaddr[6];
unsigned short seskey;
unsigned int counter;
unsigned char *data;
};
struct mt_mactelnet_control_hdr {
signed char cptype;
unsigned int length;
unsigned char *data;
};
/* TODO: Add all the other information obtainable from mndp */
struct mt_mndp_packet {
unsigned char address[ETH_ALEN];
unsigned char identity[MT_MNDP_MAX_IDENTITY_LENGTH];
};
struct mt_packet {
int size;
unsigned char data[MT_PACKET_LEN];
};
/* MacTelnet/Winbox packets */
extern int initPacket(struct mt_packet *packet, unsigned char ptype, unsigned char *srcmac, unsigned char *dstmac, unsigned short sessionkey, unsigned int counter);
extern int addControlPacket(struct mt_packet *packet, char cptype, void *cpdata, int data_len);
extern void parsePacket(unsigned char *data, struct mt_mactelnet_hdr *pkthdr);
extern int parseControlPacket(unsigned char *data, const int data_len, struct mt_mactelnet_control_hdr *cpkthdr);
/* MNDP packets */
struct mt_mndp_packet *parseMNDP(const char *data, const int packetLen);
int queryMNDP(const unsigned char *identity, unsigned char *mac);
/* Control packet magic header */
extern unsigned char mt_mactelnet_cpmagic[4];
extern unsigned char mt_mactelnet_clienttype[2];
/* Must be defined by application */
extern unsigned char mt_direction_fromserver;
#endif
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