void filename_create_new(
void)
{
if (pFile) {
fclose(pFile);
}
pFile = NULL;
filename_create(&Capture_Filename[0]);
write_global_header(&Capture_Filename[0]);
}
int main(int argc, char *argv[])
{
int d;
int ret = 0;
FILE *pcap;
if(argc<2)
{
printf( "Usage:coa_syncsniff channel pcap-file [RFPI]\n");
exit(-1);
}
d=open(DEV, O_RDONLY);
if (d<0)
{
printf("couldn't open(\"%s\"): %s\n", DEV, strerror(errno));
exit(1);
}
pcap=fopen(argv[2],"wb");
if(!pcap)
{
printf("Cant open pcap file for write...\n");
exit(1);
}
/* optionally accept RFPI as 3rd argument on commandline */
if(argc>2)
{
sscanf(argv[3], "%hhx %hhx %hhx %hhx %hhx", &RFPI[0], &RFPI[1], &RFPI[2], &RFPI[3], &RFPI[4]);
printf("RFPI: %02x %02x %02x %02x %02x\n", RFPI[0], RFPI[1], RFPI[2], RFPI[3], RFPI[4]);
}
//set sync sniff mode
uint16_t val;
val = COA_MODE_SNIFF|COA_SUBMODE_SNIFF_SYNC;
if(ioctl(d,COA_IOCTL_MODE, &val)){printf("couldn't ioctl()\n");exit(1);}
//set rfpi to sync with
if(ioctl(d,COA_IOCTL_SETRFPI, RFPI)){printf("couldn't ioctl()\n");exit(1);}
//set channel
uint32_t chn=atoi(argv[1]);
printf("set channel %u\n",chn);
if(ioctl(d,COA_IOCTL_CHAN,&chn)){printf("couldn't set channel\n");exit(1);}
write_global_header(pcap);
//sniff-loop
while (0xDEC + 't')
{
struct sniffed_packet buf;
while (sizeof(struct sniffed_packet) == (ret = read(d, &buf, (sizeof(struct sniffed_packet)))))
{
unsigned char packet[100];
packet[12]=0x23;
packet[13]=0x23;
packet[14]=0x00; //decttype (receive)
packet[15]=buf.channel; //channel
packet[16]=0;
packet[17]=buf.slot; //slot
packet[18]=0;
packet[19]=buf.rssi;
memcpy(packet+20,buf.data,53);
write_record(
pcap,
buf.timestamp.tv_sec,
buf.timestamp.tv_nsec/1000,
73,
packet);
}
}
return ret;
}
