From: Oleg Moiseenko <olegmsn@gmail.com>
Date: Thu, 11 Oct 2018 17:28:29 +0000 (+0300)
Subject: small fix in auth (#693)
X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/commitdiff_plain/ae027818ace0f74d179a1f7656b5f044cf813ee7

small fix in auth (#693)
---

diff --git a/client/cmdhfmf.c b/client/cmdhfmf.c
index 028bbf7a..5efb4a41 100644
--- a/client/cmdhfmf.c
+++ b/client/cmdhfmf.c
@@ -2712,6 +2712,7 @@ int CmdHF14AMfAuth4(const char *cmd) {
 	int res = ExchangeRAW14a(cmd1, sizeof(cmd1), true, true, data, sizeof(data), &datalen);
 	if (res) {
 		PrintAndLog("ERROR exchande raw error: %d", res);
+		DropField();
 		return 2;
 	}
 	
@@ -2719,21 +2720,25 @@ int CmdHF14AMfAuth4(const char *cmd) {
 		
 	if (datalen < 3) {
 		PrintAndLog("ERROR: card response length: %d", datalen);
+		DropField();
 		return 3;
 	}
 	
 	if (data[0] != 0x0a || data[1] != 0x00) {
 		PrintAndLog("ERROR: card response. Framing error. :%s", sprint_hex(data, 2));
+		DropField();
 		return 3;
 	}
 
 	if (data[2] != 0x90) {
 		PrintAndLog("ERROR: card response error: %02x", data[2]);
+		DropField();
 		return 3;
 	}
 
 	if (datalen != 19) {
 		PrintAndLog("ERROR: card response must be 16 bytes long instead of: %d", datalen);
+		DropField();
 		return 3;
 	}