github/RRG-Proxmark3
1
0
Fork 0
mirror of https://github.com/RfidResearchGroup/proxmark3.git synced 2025-08-20 13:23:51 -07:00
Code Issues Projects Releases Packages Wiki Activity Actions 4

exchange works

Browse source
This commit is contained in:
merlokk 2018-12-06 14:44:55 +02:00
commit 34b53a5b48
1 changed files with 65 additions and 21 deletions
Download patch file Download diff file Expand all files Collapse all files

70
client/cmdsmartcard.c
View file

@ -119,19 +119,27 @@ static int smart_wait(uint8_t *data) {
return len;
}
static int smart_response(uint8_t *data) {
static int smart_response(uint8_t apduINS, uint8_t *data) {
int len = -1;
int datalen = smart_wait(data);
bool needGetData = false;
if ( data[datalen - 2] == 0x61 || data[datalen - 2] == 0x9F ) {
len = data[datalen - 1];
}
if (len == -1 ) {
if (datalen < 2 ) {
goto out;
}
if (datalen > 2 && data[0] != apduINS) {
PrintAndLogEx(ERR, "Card ACK error. len=0x%x data[0]=%02x", datalen, data[0]);
datalen = 0;
goto out;
}
if ( data[datalen - 2] == 0x61 || data[datalen - 2] == 0x9F ) {
needGetData = true;
}
if (needGetData) {
int len = data[datalen - 1];
PrintAndLogEx(INFO, "Requesting response. len=0x%x", len);
uint8_t getstatus[] = {ISO7816_GETSTATUS, 0x00, 0x00, len};
UsbCommand cStatus = {CMD_SMART_RAW, {SC_RAW, sizeof(getstatus), 0}};
@ -140,8 +148,27 @@ static int smart_response(uint8_t *data) {
SendCommand(&cStatus);
datalen = smart_wait(data);
out:
if (datalen < 2 ) {
goto out;
}
if (datalen > 2 && data[0] != ISO7816_GETSTATUS) {
PrintAndLogEx(ERR, "GetResponse ACK error. len=0x%x data[0]=%02x", len, data[0]);
datalen = 0;
goto out;
}
if (datalen != len + 2 + 1) { // 2 - response, 1 - ACK
PrintAndLogEx(WARNING, "GetResponse wrong length. Must be: 0x%02x but: 0x%02x", len, datalen - 3);
}
}
if (datalen > 2) {
datalen--;
memmove(data, &data[1], datalen);
}
out:
return datalen;
}
@ -227,7 +254,7 @@ int CmdSmartRaw(const char *Cmd) {
if ( !buf )
return 1;
int len = smart_response(buf);
int len = smart_response(data[1], buf);
if ( len < 0 ) {
free(buf);
return 2;
@ -239,7 +266,7 @@ int CmdSmartRaw(const char *Cmd) {
memcpy(c.d.asBytes, data, sizeof(data) );
clearCommandBuffer();
SendCommand(&c);
len = smart_response(buf);
len = smart_response(data[1], buf);
data[4] = 0;
}
@ -267,12 +294,29 @@ int ExchangeAPDUSC(uint8_t *datain, int datainlen, bool activateCard, bool leave
clearCommandBuffer();
SendCommand(&c);
int len = smart_response(dataout);
int len = smart_response(datain[1], dataout);
if ( len < 0 ) {
return 2;
}
// retry
if (len > 1 && dataout[len - 2] == 0x6c && datainlen > 4) {
UsbCommand c2 = {CMD_SMART_RAW, {SC_RAW, datainlen, 0}};
memcpy(c2.d.asBytes, datain, datainlen);
int vlen = 5 + datain[4];
if (datainlen == vlen)
datainlen++;
c2.d.asBytes[vlen] = dataout[len - 1];
clearCommandBuffer();
SendCommand(&c2);
len = smart_response(datain[1], dataout);
}
*dataoutlen = len;
return 0;
@ -569,7 +613,7 @@ int CmdSmartBruteforceSFI(const char *Cmd) {
clearCommandBuffer();
SendCommand(&c);
smart_response(buf);
smart_response(data[1], buf);
// if 0x6C
if ( buf[0] == 0x6C ) {
@ -578,7 +622,7 @@ int CmdSmartBruteforceSFI(const char *Cmd) {
memcpy(c.d.asBytes, data, sizeof(data) );
clearCommandBuffer();
SendCommand(&c);
uint8_t len = smart_response(buf);
uint8_t len = smart_response(data[1], buf);
// TLV decoder
if (len > 4)