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appears to work - using normal mifare sim init

Browse source 
working demo

works

seems to work so far

more cleanup and works

working copy

working, clean one more pass

cleanup continues

back in buisness babyyy

final cleanup before PR I hope
This commit is contained in:
n-hutton 2025-01-20 14:11:14 +00:00
commit 3eb0238481
7 changed files with 367 additions and 603 deletions
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39
client/src/emv/cmdemv.c
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@ -643,21 +643,21 @@ static int CmdEMVSmartToNFC(const char *Cmd) {
};
CLIExecWithReturn(ctx, Cmd, argtable, true);
int uid_len = 0;
int uidlen = 0;
uint8_t uid[7] = {0};
CLIGetHexWithReturn(ctx, 2, uid, &uid_len);
CLIGetHexWithReturn(ctx, 2, uid, &uidlen);
if (uid_len == 0) {
if (uidlen == 0) {
PrintAndLogEx(SUCCESS, "No UID provided, using default.");
uint8_t default_uid[7] = {0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77};
memcpy(uid, default_uid, sizeof(default_uid));
uid_len = sizeof(default_uid);
} else if (uid_len != 7) {
uidlen = sizeof(default_uid);
} else if (uidlen != 7) {
PrintAndLogEx(FAILED, "UID must be 7 bytes long.");
return PM3_EINVARG;
}
PrintAndLogEx(SUCCESS, "UID length is %d", uid_len);
PrintAndLogEx(SUCCESS, "UID length is %d", uidlen);
bool testMode = arg_get_lit(ctx, 1);
bool show_apdu = true;
@ -670,7 +670,7 @@ static int CmdEMVSmartToNFC(const char *Cmd) {
CLIParserFree(ctx);
// todo: check this is relevant for us.
// todo for PR: check this is relevant for us.
SetAPDULogging(show_apdu);
struct {
@ -681,14 +681,33 @@ static int CmdEMVSmartToNFC(const char *Cmd) {
uint8_t sak;
} PACKED payload;
memcpy(payload.uid, uid, uid_len);
payload.flags = 0x1204;
memcpy(payload.uid, uid, uidlen);
// Set up the flags for 2K mifare sim with RATS
uint16_t flags = 0;
FLAG_SET_UID_IN_DATA(flags, uidlen);
if (IS_FLAG_UID_IN_EMUL(flags)) {
PrintAndLogEx(WARNING, "Invalid parameter for UID");
CLIParserFree(ctx);
return PM3_EINVARG;
}
FLAG_SET_MF_SIZE(flags, MIFARE_2K_MAX_BYTES);
//snprintf(csize, sizeof(csize), "2K with RATS");
//k_sectors_cnt = MIFARE_2K_MAXSECTOR; // todo: delete
flags |= FLAG_ATQA_IN_DATA;
flags |= FLAG_SAK_IN_DATA;
payload.flags = flags;
//payload.flags = 0x1204;
payload.exitAfter = 0x1;
payload.atqa = 0x0;
payload.sak = 0x20;
clearCommandBuffer();
SendCommandNG(0x0386, (uint8_t *)&payload, sizeof(payload));
SendCommandNG(CMD_HF_ISO14443A_EMV_SIMULATE, (uint8_t *)&payload, sizeof(payload));
PrintAndLogEx(INFO, "Press " _GREEN_("pm3 button") " to abort simulation");