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small fix in auth (#693)

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This commit is contained in:
Oleg Moiseenko 2018-10-11 20:28:29 +03:00 • committed by pwpiwi
commit ae027818ac
1 changed files with 5 additions and 0 deletions
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5
client/cmdhfmf.c
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@ -2712,6 +2712,7 @@ int CmdHF14AMfAuth4(const char *cmd) {
int res = ExchangeRAW14a(cmd1, sizeof(cmd1), true, true, data, sizeof(data), &datalen); int res = ExchangeRAW14a(cmd1, sizeof(cmd1), true, true, data, sizeof(data), &datalen);
if (res) { if (res) {
PrintAndLog("ERROR exchande raw error: %d", res); PrintAndLog("ERROR exchande raw error: %d", res);
DropField();
return 2; return 2;
} }
@ -2719,21 +2720,25 @@ int CmdHF14AMfAuth4(const char *cmd) {
if (datalen < 3) { if (datalen < 3) {
PrintAndLog("ERROR: card response length: %d", datalen); PrintAndLog("ERROR: card response length: %d", datalen);
DropField();
return 3; return 3;
} }
if (data[0] != 0x0a || data[1] != 0x00) { if (data[0] != 0x0a || data[1] != 0x00) {
PrintAndLog("ERROR: card response. Framing error. :%s", sprint_hex(data, 2)); PrintAndLog("ERROR: card response. Framing error. :%s", sprint_hex(data, 2));
DropField();
return 3; return 3;
} }
if (data[2] != 0x90) { if (data[2] != 0x90) {
PrintAndLog("ERROR: card response error: %02x", data[2]); PrintAndLog("ERROR: card response error: %02x", data[2]);
DropField();
return 3; return 3;
} }
if (datalen != 19) { if (datalen != 19) {
PrintAndLog("ERROR: card response must be 16 bytes long instead of: %d", datalen); PrintAndLog("ERROR: card response must be 16 bytes long instead of: %d", datalen);
DropField();
return 3; return 3;
} }