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hf mfu otptear -m fix

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iceman1001 2020-10-12 01:55:39 +02:00
commit b64742baf9
1 changed files with 3 additions and 2 deletions
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5
client/src/cmdhfmfu.c
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@ -2819,7 +2819,7 @@ static int CmdHF14AMfUPwdGen(const char *Cmd) {
static int CmdHF14AMfuOtpTearoff(const char *Cmd) {
uint8_t blockNoUint = 8;
uint8_t cmdp = 0;
bool errors = 0;
bool errors = 0, use_match = false;
uint8_t match[4] = {0x00};
uint8_t teardata[8] = {0x00};
uint32_t interval = 500; // time in us
@ -2879,6 +2879,7 @@ static int CmdHF14AMfuOtpTearoff(const char *Cmd) {
case 'm':
if (param_gethex(Cmd, cmdp + 1, match, 8)) {
PrintAndLogEx(WARNING, "Block data must include 8 HEX symbols");
use_match = true;
errors = true;
}
cmdp += 2;
@ -2986,7 +2987,7 @@ static int CmdHF14AMfuOtpTearoff(const char *Cmd) {
}
}
if (memcmp(pre, match, sizeof(pre)) == 0) {
if (use_match && memcmp(pre, match, sizeof(pre)) == 0) {
PrintAndLogEx(SUCCESS, "Block matches!\n");
break;
}