added CDA transaction to `hf emv genac`

diff --git a/client/emv/cmdemv.c b/client/emv/cmdemv.c
index 1d30fc83f651c542205e9bfe68314e1239188886..bc90857473ba09bf63a3d7c44c948cd72eefbc04 100644 (file)
--- a/client/emv/cmdemv.c
+++ b/client/emv/cmdemv.c
@@ -320,11 +320,13 @@ int CmdHFEMVAC(const char *cmd) {
 
        CLIParserInit("hf 14a genac", 
                "Generate Application Cryptogram command. It returns data in TLV format .\nNeeds a EMV applet to be selected and GPO to be executed.", 
-               "Usage:\n\thf emv genac -k 0102-> execute GPO with 2-byte CDOLdata and keep field ON after command\n\thf emv genac -t 01020304 -> execute GPO with 4-byte CDOL data, show result in TLV\n"); 
+               "Usage:\n\thf emv genac -k 0102 -> execute GPO with 2-byte CDOLdata and keep field ON after command\n"
+                       "\thf emv genac -t 01020304 -> execute GPO with 4-byte CDOL data, show result in TLV\n"); 
 
        void* argtable[] = {
                arg_param_begin,
                arg_lit0("kK",  "keep",    "keep field ON for next command"),
+               arg_lit0("cC",  "cda",     "executes CDA transaction. Needs to get SDAD in results."),
                arg_lit0("aA",  "apdu",    "show APDU reqests and responses"),
                arg_lit0("tT",  "tlv",     "TLV decode results of selected applets"),
                arg_str1(NULL,  NULL,      "<HEX CDOLdata>", NULL),
@@ -333,9 +335,10 @@ int CmdHFEMVAC(const char *cmd) {
        CLIExecWithReturn(cmd, argtable, false);
        
        bool leaveSignalON = arg_get_lit(1);
-       bool APDULogging = arg_get_lit(2);
-       bool decodeTLV = arg_get_lit(3);
-       CLIGetStrWithReturn(4, data, &datalen);
+       bool trTypeCDA = arg_get_lit(2);
+       bool APDULogging = arg_get_lit(3);
+       bool decodeTLV = arg_get_lit(4);
+       CLIGetStrWithReturn(5, data, &datalen);
        CLIParserFree();        
        
        SetAPDULogging(APDULogging);
@@ -359,9 +362,7 @@ int CmdHFEMVAC(const char *cmd) {
        uint8_t buf[APDU_RES_LEN] = {0};
        size_t len = 0;
        uint16_t sw = 0;
-// EMVAC_TC + EMVAC_CDAREQ --- to get SDAD
-//     res = EMVAC(true, (TrType == TT_CDA) ? EMVAC_TC + EMVAC_CDAREQ : EMVAC_TC, (uint8_t *)cdol_data_tlv->value, cdol_data_tlv->len, buf, sizeof(buf), &len, &sw, tlvRoot);
-       int res = EMVAC(leaveSignalON, EMVAC_TC, (uint8_t *)cdol_data_tlv->value, cdol_data_tlv->len, buf, sizeof(buf), &len, &sw, tlvRoot);
+       int res = EMVAC(leaveSignalON, (trTypeCDA) ? EMVAC_TC + EMVAC_CDAREQ : EMVAC_TC, (uint8_t *)cdol_data_tlv->value, cdol_data_tlv->len, buf, sizeof(buf), &len, &sw, tlvRoot);
        
 //     free(cdol_data_tlv);
        tlvdb_free(tlvRoot);