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Merge pull request #884 from pwpiwi/fix_iclass_snoop
[proxmark3-svn] / client / cmdhf14a.c
diff --git a/client/cmdhf14a.c b/client/cmdhf14a.c
index 90032022caf3498617eedb0b09517960b673506b..eba33947fd33ac19efd693e7101ed3f0dd5aa0d8 100644 (file)
--- a/client/cmdhf14a.c
+++ b/client/cmdhf14a.c
@@ -921,20 +921,34 @@ int ExchangeAPDU14a(uint8_t *datain, int datainlen, bool activateField, bool lea
 int CmdHF14AAPDU(const char *cmd) {
        uint8_t data[USB_CMD_DATA_SIZE];
        int datalen = 0;
 int CmdHF14AAPDU(const char *cmd) {
        uint8_t data[USB_CMD_DATA_SIZE];
        int datalen = 0;
+       uint8_t header[5];
+       int headerlen = 0;
        bool activateField = false;
        bool leaveSignalON = false;
        bool decodeTLV = false;
        bool activateField = false;
        bool leaveSignalON = false;
        bool decodeTLV = false;
+       bool decodeAPDU = false;
+       bool makeAPDU = false;
+       bool extendedAPDU = false;
+       int le = 0;
+       int res = 0;
 
        CLIParserInit("hf 14a apdu",
 
        CLIParserInit("hf 14a apdu",
-               "Sends an ISO 7816-4 APDU via ISO 14443-4 block transmission protocol (T=CL)",
-               "Sample:\n\thf 14a apdu -st 00A404000E325041592E5359532E444446303100\n");
+                                 "Sends an ISO 7816-4 APDU via ISO 14443-4 block transmission protocol (T=CL). Works with all APDU types from ISO 7816-4:2013",
+                                 "Examples:\n\thf 14a apdu -st 00A404000E325041592E5359532E444446303100\n"
+                                 "\thf 14a apdu -sd 00A404000E325041592E5359532E444446303100 - decode APDU\n"
+                                 "\thf 14a apdu -sm 00A40400 325041592E5359532E4444463031 -l 256 - encode standard APDU\n"
+                                 "\thf 14a apdu -sm 00A40400 325041592E5359532E4444463031 -el 65536 - encode extended APDU\n");
 
        void* argtable[] = {
                arg_param_begin,
 
        void* argtable[] = {
                arg_param_begin,
-               arg_lit0("sS",  "select",  "activate field and select card"),
-               arg_lit0("kK",  "keep",    "leave the signal field ON after receive response"),
-               arg_lit0("tT",  "tlv",     "executes TLV decoder if it possible"),
-               arg_strx1(NULL, NULL,      "<APDU (hex)>", NULL),
+               arg_lit0("sS",  "select",   "activate field and select card"),
+               arg_lit0("kK",  "keep",     "leave the signal field ON after receive response"),
+               arg_lit0("tT",  "tlv",      "executes TLV decoder if it possible"),
+               arg_lit0("dD",  "decapdu",  "decode APDU request if it possible"),
+               arg_str0("mM",  "make",     "<head (CLA INS P1 P2) hex>", "make APDU with head from this field and data from data field. Must be 4 bytes length: <CLA INS P1 P2>"),
+               arg_lit0("eE",  "extended", "make extended length APDU (requires `-m`)"),
+               arg_int0("lL",  "le",       "<Le (int)>", "Le APDU parameter (requires `-m`)"),
+               arg_strx1(NULL, NULL,       "<APDU (hex) | data (hex)>", "APDU (without `-m`), or data (with `-m`)"),
                arg_param_end
        };
        CLIExecWithReturn(cmd, argtable, false);
                arg_param_end
        };
        CLIExecWithReturn(cmd, argtable, false);
@@ -942,15 +956,71 @@ int CmdHF14AAPDU(const char *cmd) {
        activateField = arg_get_lit(1);
        leaveSignalON = arg_get_lit(2);
        decodeTLV = arg_get_lit(3);
        activateField = arg_get_lit(1);
        leaveSignalON = arg_get_lit(2);
        decodeTLV = arg_get_lit(3);
-       // len = data + PCB(1b) + CRC(2b)
-       CLIGetHexBLessWithReturn(4, data, &datalen, 1 + 2);
+       decodeAPDU = arg_get_lit(4);
 
 
+       res = CLIParamHexToBuf(arg_get_str(5), header, sizeof(header), &headerlen);
+       makeAPDU = headerlen > 0;
+       if (res || (makeAPDU && headerlen != 4)) {
+               PrintAndLogEx(ERR, "header length must be exactly 4 bytes");
+               CLIParserFree();
+               return 1;
+       }
+       extendedAPDU = arg_get_lit(6);
+       le = arg_get_int_def(7, 0);
+
+       if (makeAPDU) {
+               uint8_t apdudata[USB_CMD_DATA_SIZE] = {0};
+               int apdudatalen = 0;
+
+               CLIGetHexBLessWithReturn(8, apdudata, &apdudatalen, 1 + 2);
+
+               APDUStruct apdu;
+               apdu.cla = header[0];
+               apdu.ins = header[1];
+               apdu.p1 = header[2];
+               apdu.p2 = header[3];
+
+               apdu.lc = apdudatalen;
+               apdu.data = apdudata;
+
+               apdu.extended_apdu = extendedAPDU;
+               apdu.le = le;
+
+               if (APDUEncode(&apdu, data, &datalen)) {
+                       PrintAndLogEx(ERR, "can't make apdu with provided parameters.");
+                       CLIParserFree();
+                       return 2;
+               }
+       } else {
+               if (extendedAPDU) {
+                       PrintAndLogEx(ERR, "`-e` without `-m`.");
+                       CLIParserFree();
+                       return 3;
+               }
+               if (le > 0) {
+                       PrintAndLogEx(ERR, "`-l` without `-m`.");
+                       CLIParserFree();
+                       return 3;
+               }
+
+               // len = data + PCB(1b) + CRC(2b)
+               CLIGetHexBLessWithReturn(8, data, &datalen, 1 + 2);
+       }
 
        CLIParserFree();
 //  PrintAndLog("---str [%d] %s", arg_get_str(4)->count, arg_get_str(4)->sval[0]);
 
        CLIParserFree();
 //  PrintAndLog("---str [%d] %s", arg_get_str(4)->count, arg_get_str(4)->sval[0]);
-       PrintAndLog(">>>>[%s%s%s] %s", activateField ? "sel ": "", leaveSignalON ? "keep ": "", decodeTLV ? "TLV": "", sprint_hex(data, datalen));
+       PrintAndLogEx(NORMAL, ">>>>[%s%s%s] %s", activateField ? "sel ": "", leaveSignalON ? "keep ": "", decodeTLV ? "TLV": "", sprint_hex(data, datalen));
+
+       if (decodeAPDU) {
+               APDUStruct apdu;
+
+               if (APDUDecode(data, datalen, &apdu) == 0)
+                       APDUPrint(apdu);
+               else
+                       PrintAndLogEx(WARNING, "can't decode APDU.");
+       }
 
 
-       int res = ExchangeAPDU14a(data, datalen, activateField, leaveSignalON, data, USB_CMD_DATA_SIZE, &datalen);
+       res = ExchangeAPDU14a(data, datalen, activateField, leaveSignalON, data, USB_CMD_DATA_SIZE, &datalen);
 
        if (res)
                return res;
 
        if (res)
                return res;
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