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"hf mf sniff" low level logics works.

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This commit is contained in:
Merlokbr@gmail.com 2012-07-11 15:52:33 +00:00
commit 39864b0bd4
10 changed files with 322 additions and 25 deletions
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70
client/cmdhfmf.c
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@ -37,7 +37,6 @@ start:
// message
printf("-------------------------------------------------------------------------\n");
printf("Executing command. It may take up to 30 min.\n");
printf("Press the key on proxmark3 device to abort proxmark3.\n");
printf("Press the key on the proxmark3 device to abort both proxmark3 and client.\n");
printf("-------------------------------------------------------------------------\n");
@ -1543,6 +1542,18 @@ int CmdHF14AMfCSave(const char *Cmd) {
}
int CmdHF14AMfSniff(const char *Cmd){
int res = 0;
int len = 0;
int blockLen = 0;
int num = 0;
int pckNum = 0;
uint8_t uid[8];
uint8_t atqa[2];
uint8_t sak;
bool isTag;
uint8_t buf[3000];
uint8_t * bufPtr = buf;
memset(buf, 0x00, 3000);
if (param_getchar(Cmd, 0) == 'h') {
PrintAndLog("Usage: hf mf sniff ");
@ -1550,9 +1561,66 @@ int CmdHF14AMfSniff(const char *Cmd){
return 0;
}
printf("-------------------------------------------------------------------------\n");
printf("Executing command. \n");
printf("Press the key on the proxmark3 device to abort both proxmark3 and client.\n");
printf("Press the key on pc keyboard to abort the client.\n");
printf("-------------------------------------------------------------------------\n");
UsbCommand c = {CMD_MIFARE_SNIFFER, {0, 0, 0}};
SendCommand(&c);
// wait cycle
while (true) {
printf(".");
fflush(stdout);
if (ukbhit()) {
getchar();
printf("\naborted via keyboard!\n");
break;
}
UsbCommand * resp = WaitForResponseTimeout(CMD_ACK, 2000);
if (resp != NULL) {
res = resp->arg[0] & 0xff;
len = resp->arg[1];
num = resp->arg[2];
if (res == 0) return 0;
if (res == 1) {
if (num ==0) {
bufPtr = buf;
memset(buf, 0x00, 3000);
}
memcpy(bufPtr, resp->d.asBytes, len);
bufPtr += len;
pckNum++;
}
if (res == 2) {
blockLen = bufPtr - buf;
bufPtr = buf;
printf(">\n");
PrintAndLog("received trace len: %d packages: %d", blockLen, pckNum);
num = 0;
while (bufPtr - buf + 9 < blockLen) {
isTag = bufPtr[3] & 0x80 ? true:false;
bufPtr += 8;
len = bufPtr[0];
bufPtr++;
if ((len == 14) && (bufPtr[0] = 0xff) && (bufPtr[1] = 0xff)) {
memcpy(uid, bufPtr + 2, 7);
memcpy(atqa, bufPtr + 2 + 7, 2);
sak = bufPtr[11];
PrintAndLog("tag select uid:%s atqa:%02x %02x sak:0x%02x", sprint_hex(uid, 7), atqa[0], atqa[1], sak);
} else {
PrintAndLog("%s(%d):%s", isTag ? "TAG":"RDR", num, sprint_hex(bufPtr, len));
}
bufPtr += len;
num++;
}
}
} // resp not NILL
} // while (true)
return 0;
}