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Raw 14a in commandline, patch by jonor, see http://proxmark.org/forum/viewtopic.php?id=1751 for more info

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This commit is contained in:
martin.holst@gmail.com 2013-09-28 19:28:55 +00:00
commit 5f6d6c9003
3 changed files with 194 additions and 41 deletions
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142
client/cmdhf14a.c
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@ -26,6 +26,7 @@
#include "mifare.h"
static int CmdHelp(const char *Cmd);
static void waitCmd(uint8_t iLen);
int CmdHF14AList(const char *Cmd)
{
@ -469,6 +470,146 @@ int CmdHF14ASnoop(const char *Cmd) {
return 0;
}
int CmdHF14ACmdRaw(const char *cmd) {
UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}};
uint8_t reply=1;
uint8_t crc=0;
uint8_t power=0;
uint8_t active=0;
uint8_t active_select=0;
uint16_t numbits=0;
char buf[5]="";
int i=0;
uint8_t data[100];
unsigned int datalen=0, temp;
if (strlen(cmd)<2) {
PrintAndLog("Usage: hf 14a raw [-r] [-c] [-p] [-f] [-b] <number of bits> <0A 0B 0C ... hex>");
PrintAndLog(" -r do not read response");
PrintAndLog(" -c calculate and append CRC");
PrintAndLog(" -p leave the signal field ON after receive");
PrintAndLog(" -a active signal field ON without select");
PrintAndLog(" -s active signal field ON with select");
PrintAndLog(" -b number of bits to send. Useful for send partial byte");
return 0;
}
// strip
while (*cmd==' ' || *cmd=='\t') cmd++;
while (cmd[i]!='\0') {
if (cmd[i]==' ' || cmd[i]=='\t') { i++; continue; }
if (cmd[i]=='-') {
switch (cmd[i+1]) {
case 'r':
reply=0;
break;
case 'c':
crc=1;
break;
case 'p':
power=1;
break;
case 'a':
active=1;
break;
case 's':
active_select=1;
break;
case 'b':
sscanf(cmd+i+2,"%d",&temp);
numbits = temp & 0xFFFF;
i+=3;
while(cmd[i]!=' ' && cmd[i]!='\0') { i++; }
i-=2;
break;
default:
PrintAndLog("Invalid option");
return 0;
}
i+=2;
continue;
}
if ((cmd[i]>='0' && cmd[i]<='9') ||
(cmd[i]>='a' && cmd[i]<='f') ||
(cmd[i]>='A' && cmd[i]<='F') ) {
buf[strlen(buf)+1]=0;
buf[strlen(buf)]=cmd[i];
i++;
if (strlen(buf)>=2) {
sscanf(buf,"%x",&temp);
data[datalen]=(uint8_t)(temp & 0xff);
datalen++;
*buf=0;
}
continue;
}
PrintAndLog("Invalid char on input");
return 0;
}
if(crc && datalen>0)
{
uint8_t first, second;
ComputeCrc14443(CRC_14443_A, data, datalen, &first, &second);
data[datalen++] = first;
data[datalen++] = second;
}
if(active || active_select)
{
c.arg[0] |= ISO14A_CONNECT;
if(active)
c.arg[0] |= ISO14A_NO_SELECT;
}
if(power)
c.arg[0] |= ISO14A_NO_DISCONNECT;
if(datalen>0)
c.arg[0] |= ISO14A_RAW;
c.arg[1] = datalen;
c.arg[2] = numbits;
memcpy(c.d.asBytes,data,datalen);
SendCommand(&c);
if (reply) {
if(active_select)
waitCmd(1);
if(datalen>0)
waitCmd(0);
} // if reply
return 0;
}
static void waitCmd(uint8_t iSelect)
{
uint8_t *recv;
UsbCommand resp;
char *hexout;
if (WaitForResponseTimeout(CMD_ACK,&resp,1000)) {
recv = resp.d.asBytes;
uint8_t iLen = iSelect ? resp.arg[1] : resp.arg[0];
PrintAndLog("received %i octets",iLen);
if(!iLen)
return;
hexout = (char *)malloc(iLen * 3 + 1);
if (hexout != NULL) {
uint8_t first, second;
for (int i = 0; i < iLen; i++) { // data in hex
sprintf(&hexout[i * 3], "%02hX ", recv[i]);
}
PrintAndLog("%s", hexout);
free(hexout);
} else {
PrintAndLog("malloc failed your client has low memory?");
}
} else {
PrintAndLog("timeout while waiting for reply.");
}
}
static command_t CommandTable[] =
{
{"help", CmdHelp, 1, "This help"},
@ -477,6 +618,7 @@ static command_t CommandTable[] =
{"cuids", CmdHF14ACUIDs, 0, "<n> Collect n>0 ISO14443 Type A UIDs in one go"},
{"sim", CmdHF14ASim, 0, "<UID> -- Fake ISO 14443a tag"},
{"snoop", CmdHF14ASnoop, 0, "Eavesdrop ISO 14443 Type A"},
{"raw", CmdHF14ACmdRaw, 0, "Send raw hex data to tag"},
{NULL, NULL, 0, NULL}
};