From 7a7afeba5cbbb518216d0d1d5bb5228a41a4db17 Mon Sep 17 00:00:00 2001
From: merlokk <olegmsn@gmail.com>
Date: Mon, 4 Dec 2017 22:20:29 +0200
Subject: [PATCH] small refactoring

---
 client/emv/cmdemv.c   |  2 +-
 client/emv/emv_tags.c | 16 ++++++++--------
 client/emv/emv_tags.h | 11 +++++++++++
 client/emv/emvcore.h  |  7 -------
 4 files changed, 20 insertions(+), 16 deletions(-)

diff --git a/client/emv/cmdemv.c b/client/emv/cmdemv.c
index 268d9e63..92ae01f9 100644
--- a/client/emv/cmdemv.c
+++ b/client/emv/cmdemv.c
@@ -322,7 +322,7 @@ int CmdHFEMVExec(const char *cmd) {
 			switch (param_getchar_indx(cmd, 1, cmdp)) {
 				case 'h':
 				case 'H':
-					UsageCmdHFEMVPPSE();
+					UsageCmdHFEMVExec();
 					return 0;
 				case 's':
 				case 'S':
diff --git a/client/emv/emv_tags.c b/client/emv/emv_tags.c
index 80b4c29d..25ad9658 100644
--- a/client/emv/emv_tags.c
+++ b/client/emv/emv_tags.c
@@ -483,20 +483,20 @@ static void emv_tag_dump_cid(const struct tlv *tlv, const struct emv_tag *tag, F
 	}
 	
 	PRINT_INDENT(level);
-	if ((tlv->value[0] & 0xC0) == 0x00)	fprintf(f, "\tAC1: AAC (Transaction declined)\n");
-	if ((tlv->value[0] & 0xC0) == 0x40)	fprintf(f, "\tAC1: TC (Transaction approved)\n");
-	if ((tlv->value[0] & 0xC0) == 0x80)	fprintf(f, "\tAC1: ARQC (Online authorisation requested)\n");
-	if ((tlv->value[0] & 0xC0) == 0xC0)	fprintf(f, "\tAC1: RFU\n");
+	if ((tlv->value[0] & EMVAC_AC_MASK) == EMVAC_AAC)		fprintf(f, "\tAC1: AAC (Transaction declined)\n");
+	if ((tlv->value[0] & EMVAC_AC_MASK) == EMVAC_TC)		fprintf(f, "\tAC1: TC (Transaction approved)\n");
+	if ((tlv->value[0] & EMVAC_AC_MASK) == EMVAC_ARQC)		fprintf(f, "\tAC1: ARQC (Online authorisation requested)\n");
+	if ((tlv->value[0] & EMVAC_AC_MASK) == EMVAC_AC_MASK)	fprintf(f, "\tAC1: RFU\n");
 
-	if ((tlv->value[0] & 0x08) != 0x00) {
+	if (tlv->value[0] & EMVCID_ADVICE) {
 		PRINT_INDENT(level);
 		fprintf(f, "\tAdvice required!\n");
 	}
 
-	if ((tlv->value[0] & 0x07) != 0x00) {
+	if (tlv->value[0] & EMVCID_REASON_MASK) {
 		PRINT_INDENT(level);
 		fprintf(f, "\tReason/advice/referral code: ");
-		switch((tlv->value[0] & 0x07)) {
+		switch((tlv->value[0] & EMVCID_REASON_MASK)) {
 			case 0:
 				fprintf(f, "No information given\n");
 				break;
@@ -510,7 +510,7 @@ static void emv_tag_dump_cid(const struct tlv *tlv, const struct emv_tag *tag, F
 				fprintf(f, "Issuer authentication failed\n");
 				break;
 			default:
-				fprintf(f, "\tRFU: %2x\n", (tlv->value[0] & 0x07));
+				fprintf(f, "\tRFU: %2x\n", (tlv->value[0] & EMVCID_REASON_MASK));
 				break;
 		}
 	}
diff --git a/client/emv/emv_tags.h b/client/emv/emv_tags.h
index 8dbd9e00..f6d44f01 100644
--- a/client/emv/emv_tags.h
+++ b/client/emv/emv_tags.h
@@ -19,6 +19,17 @@
 #include "tlv.h"
 #include <stdio.h>
 
+// AC
+# define EMVAC_AC_MASK   0xC0
+# define EMVAC_AAC       0x00
+# define EMVAC_TC        0x40
+# define EMVAC_ARQC      0x80
+# define EMVAC_CDAREQ    0x10
+
+// CID
+# define EMVCID_ADVICE       0x08
+# define EMVCID_REASON_MASK  0x07
+
 bool emv_tag_dump(const struct tlv *tlv, FILE *f, int level);
 
 #endif
diff --git a/client/emv/emvcore.h b/client/emv/emvcore.h
index 94c5d9b0..7df58850 100644
--- a/client/emv/emvcore.h
+++ b/client/emv/emvcore.h
@@ -29,13 +29,6 @@
 #define APDU_RES_LEN 260
 #define APDU_AID_LEN 50
 
-// AC
-# define EMVAC_AC_MASK 0xC0
-# define EMVAC_AAC     0x00
-# define EMVAC_TC      0x40
-# define EMVAC_ARQC    0x80
-# define EMVAC_CDAREQ  0x10
-
 enum TransactionType {
 	TT_MSD,
 	TT_VSDC,        // not standart for contactless!!!!
-- 
2.39.2