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#include <string.h>
#include <stdio.h>
#include "mactelnet.h"
#include "config.h"
int initPacket(unsigned char *data, unsigned char ptype, unsigned char *src, unsigned char *dst, unsigned short sessionkey, unsigned short counter) {
// PACKET VERSION
data[0] = 1;
// PACKET TYPE
data[1] = ptype;
// src ethernet address
etherAddrton(data + 2, src);
// dst ethernet address
etherAddrton(data + 8, dst);
data[14] = sessionkey >> 8;
data[15] = sessionkey & 0xff;
data[16] = 0x00;
data[17] = 0x15;
data[18] = (counter >> 24) & 0xff;
data[19] = (counter >> 16) & 0xff;
data[20] = (counter >> 8) & 0xff;
data[21] = counter & 0xff;
return 22;
}
int addControlPacket(unsigned char *data, unsigned char cptype, unsigned char *cpdata, int data_len) {
data[0] = 0x56;
data[1] = 0x34;
data[2] = 0x12;
data[3] = 0xff;
// Control packet type
data[4] = cptype;
// Data length
data[5] = (data_len >> 24) & 0xff;
data[6] = (data_len >> 16) & 0xff;
data[7] = (data_len >> 8) & 0xff;
data[8] = data_len & 0xff;
if (data_len) {
memcpy(data+9, cpdata, data_len);
}
return 9+data_len;
}
void parsePacket(unsigned char *data, struct mt_mactelnet_hdr *pkthdr) {
pkthdr->ver = data[0];
pkthdr->ptype = data[1];
memcpy(pkthdr->srcaddr, data+2,6);
memcpy(pkthdr->dstaddr, data+8,6);
pkthdr->seskey = data[16] << 8 | data[17];
pkthdr->counter = data[18] << 24 | data[19] << 16 | data[20] << 8 | data[21];
pkthdr->data = data + 22;
}
void parseControlPacket(unsigned char *data, int data_len) {
unsigned char magic[] = { 0x56, 0x34, 0x12, 0xff };
if (memcmp(data,&magic,4) == 0) {
if (DEBUG)
printf("\tControl packet:\n\t\tType: %d\n\t\tLength: %d\n", data[4], data[5]<<24|data[6]<<16|data[7]<<8|data[8]);
if (data_len - 9 - (data[4], data[5]<<24|data[6]<<16|data[7]<<8|data[8]) > 0) {
parseControlPacket(data + 9 + (data[4], data[5]<<24|data[6]<<16|data[7]<<8|data[8]), data_len - 9 - (data[4], data[5]<<24|data[6]<<16|data[7]<<8|data[8]));
}
if (data[4] == 1) {
printf("Connected. Enter username & password.\n\n"); // TODOD: Teh good shiat
}
}
}
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