mirror of
https://github.com/RfidResearchGroup/proxmark3.git
synced 2024-09-21 15:56:21 +08:00
553 lines
14 KiB
C
553 lines
14 KiB
C
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//-----------------------------------------------------------------------------
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// Copyright (C) 2017 Merlok
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//
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// This code is licensed to you under the terms of the GNU GPL, version 2 or,
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// at your option, any later version. See the LICENSE.txt file for the text of
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// the license.
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//-----------------------------------------------------------------------------
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// EMV commands
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//-----------------------------------------------------------------------------
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#include "cmdemv.h"
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int UsageCmdHFEMVSelect(void) {
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PrintAndLog("HELP : Executes select applet command:\n");
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PrintAndLog("Usage: hf emv select [-s][-k][-a][-t] <HEX applet AID>\n");
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PrintAndLog(" Options:");
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PrintAndLog(" -s : select card");
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PrintAndLog(" -k : keep field for next command");
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PrintAndLog(" -a : show APDU reqests and responses\n");
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PrintAndLog(" -t : TLV decode results\n");
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PrintAndLog("Samples:");
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PrintAndLog(" hf emv select -s a00000000101 -> select card, select applet");
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PrintAndLog(" hf emv select -s -t a00000000101 -> select card, select applet, show result in TLV");
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return 0;
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}
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int CmdHFEMVSelect(const char *cmd) {
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uint8_t data[APDU_AID_LEN] = {0};
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int datalen = 0;
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bool activateField = false;
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bool leaveSignalON = false;
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bool decodeTLV = false;
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if (strlen(cmd) < 1) {
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UsageCmdHFEMVSelect();
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return 0;
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}
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SetAPDULogging(false);
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int cmdp = 0;
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while(param_getchar(cmd, cmdp) != 0x00) {
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char c = param_getchar(cmd, cmdp);
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if ((c == '-') && (param_getlength(cmd, cmdp) == 2))
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switch (param_getchar_indx(cmd, 1, cmdp)) {
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case 'h':
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case 'H':
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UsageCmdHFEMVSelect();
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return 0;
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case 's':
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case 'S':
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activateField = true;
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break;
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case 'k':
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case 'K':
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leaveSignalON = true;
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break;
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case 'a':
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case 'A':
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SetAPDULogging(true);
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break;
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case 't':
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case 'T':
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decodeTLV = true;
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break;
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default:
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PrintAndLog("Unknown parameter '%c'", param_getchar_indx(cmd, 1, cmdp));
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return 1;
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}
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if (isxdigit(c)) {
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switch(param_gethex_to_eol(cmd, cmdp, data, sizeof(data), &datalen)) {
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case 1:
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PrintAndLog("Invalid HEX value.");
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return 1;
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case 2:
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PrintAndLog("AID too large.");
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return 1;
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case 3:
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PrintAndLog("Hex must have even number of digits.");
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return 1;
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}
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// we get all the hex to end of line with spaces
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break;
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}
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cmdp++;
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}
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// exec
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uint8_t buf[APDU_RES_LEN] = {0};
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size_t len = 0;
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uint16_t sw = 0;
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int res = EMVSelect(activateField, leaveSignalON, data, datalen, buf, sizeof(buf), &len, &sw, NULL);
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if (sw)
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PrintAndLog("APDU response status: %04x - %s", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff));
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if (res)
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return res;
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if (decodeTLV)
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TLVPrintFromBuffer(buf, len);
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return 0;
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}
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int UsageCmdHFEMVSearch(void) {
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PrintAndLog("HELP : Tries to select all applets from applet list:\n");
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PrintAndLog("Usage: hf emv search [-s][-k][-a][-t]\n");
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PrintAndLog(" Options:");
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PrintAndLog(" -s : select card");
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PrintAndLog(" -k : keep field for next command");
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PrintAndLog(" -a : show APDU reqests and responses\n");
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PrintAndLog(" -t : TLV decode results of selected applets\n");
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PrintAndLog("Samples:");
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PrintAndLog(" hf emv search -s -> select card and search");
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PrintAndLog(" hf emv search -s -t -> select card, search and show result in TLV");
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return 0;
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}
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int CmdHFEMVSearch(const char *cmd) {
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bool activateField = false;
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bool leaveSignalON = false;
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bool decodeTLV = false;
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if (strlen(cmd) < 1) {
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UsageCmdHFEMVSearch();
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return 0;
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}
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SetAPDULogging(false);
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int cmdp = 0;
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while(param_getchar(cmd, cmdp) != 0x00) {
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char c = param_getchar(cmd, cmdp);
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if ((c == '-') && (param_getlength(cmd, cmdp) == 2))
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switch (param_getchar_indx(cmd, 1, cmdp)) {
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case 'h':
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case 'H':
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UsageCmdHFEMVSearch();
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return 0;
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case 's':
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case 'S':
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activateField = true;
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break;
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case 'k':
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case 'K':
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leaveSignalON = true;
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break;
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case 'a':
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case 'A':
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SetAPDULogging(true);
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break;
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case 't':
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case 'T':
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decodeTLV = true;
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break;
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default:
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PrintAndLog("Unknown parameter '%c'", param_getchar_indx(cmd, 1, cmdp));
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return 1;
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}
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cmdp++;
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}
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struct tlvdb *t = NULL;
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const char *al = "Applets list";
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t = tlvdb_fixed(1, strlen(al), (const unsigned char *)al);
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if (EMVSearch(activateField, leaveSignalON, decodeTLV, t)) {
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tlvdb_free(t);
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return 2;
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}
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PrintAndLog("Search completed.");
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// print list here
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if (!decodeTLV) {
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TLVPrintAIDlistFromSelectTLV(t);
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}
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tlvdb_free(t);
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return 0;
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}
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int UsageCmdHFEMVPPSE(void) {
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PrintAndLog("HELP : Executes PSE/PPSE select command. It returns list of applet on the card:\n");
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PrintAndLog("Usage: hf emv pse [-s][-k][-1][-2][-a][-t]\n");
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PrintAndLog(" Options:");
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PrintAndLog(" -s : select card");
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PrintAndLog(" -k : keep field for next command");
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PrintAndLog(" -1 : ppse (1PAY.SYS.DDF01)");
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PrintAndLog(" -2 : pse (2PAY.SYS.DDF01)");
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PrintAndLog(" -a : show APDU reqests and responses\n");
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PrintAndLog(" -t : TLV decode results\n");
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PrintAndLog("Samples:");
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PrintAndLog(" hf emv pse -s -1 -> select, get pse");
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PrintAndLog(" hf emv pse -s -k -2 -> select, get ppse, keep field");
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PrintAndLog(" hf emv pse -s -t -2 -> select, get ppse, show result in TLV");
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return 0;
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}
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int CmdHFEMVPPSE(const char *cmd) {
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uint8_t PSENum = 2;
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bool activateField = false;
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bool leaveSignalON = false;
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bool decodeTLV = false;
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if (strlen(cmd) < 1) {
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UsageCmdHFEMVPPSE();
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return 0;
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}
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SetAPDULogging(false);
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int cmdp = 0;
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while(param_getchar(cmd, cmdp) != 0x00) {
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char c = param_getchar(cmd, cmdp);
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if ((c == '-') && (param_getlength(cmd, cmdp) == 2))
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switch (param_getchar_indx(cmd, 1, cmdp)) {
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case 'h':
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case 'H':
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UsageCmdHFEMVPPSE();
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return 0;
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case 's':
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case 'S':
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activateField = true;
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break;
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case 'k':
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case 'K':
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leaveSignalON = true;
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break;
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case 'a':
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case 'A':
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SetAPDULogging(true);
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break;
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case 't':
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case 'T':
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decodeTLV = true;
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break;
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case '1':
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PSENum = 1;
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break;
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case '2':
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PSENum = 2;
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break;
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default:
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PrintAndLog("Unknown parameter '%c'", param_getchar_indx(cmd, 1, cmdp));
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return 1;
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}
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cmdp++;
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}
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// exec
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uint8_t buf[APDU_RES_LEN] = {0};
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size_t len = 0;
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uint16_t sw = 0;
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int res = EMVSelectPSE(activateField, leaveSignalON, PSENum, buf, sizeof(buf), &len, &sw);
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if (sw)
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PrintAndLog("APDU response status: %04x - %s", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff));
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if (res)
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return res;
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if (decodeTLV)
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TLVPrintFromBuffer(buf, len);
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return 0;
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}
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int UsageCmdHFEMVExec(void) {
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PrintAndLog("HELP : Executes EMV contactless transaction:\n");
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PrintAndLog("Usage: hf emv exec [-s][-a][-t]\n");
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PrintAndLog(" Options:");
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PrintAndLog(" -s : select card");
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PrintAndLog(" -a : show APDU reqests and responses\n");
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PrintAndLog(" -t : TLV decode results\n");
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PrintAndLog(" -f : force search AID. Search AID instead of execute PPSE.\n");
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PrintAndLog("Samples:");
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PrintAndLog(" hf emv pse -s -> select card");
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PrintAndLog(" hf emv pse -s -t -a -> select card, show responses in TLV, show APDU");
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return 0;
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}
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#define TLV_ADD(tag, value)( tlvdb_add(tlvRoot, tlvdb_fixed(tag, sizeof(value) - 1, (const unsigned char *)value)) )
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int CmdHFEMVExec(const char *cmd) {
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bool activateField = false;
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bool showAPDU = false;
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bool decodeTLV = false;
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bool forceSearch = false;
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uint8_t buf[APDU_RES_LEN] = {0};
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size_t len = 0;
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uint16_t sw = 0;
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uint8_t AID[APDU_AID_LEN] = {0};
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size_t AIDlen = 0;
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int res;
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if (strlen(cmd) < 1) {
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UsageCmdHFEMVExec();
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return 0;
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}
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int cmdp = 0;
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while(param_getchar(cmd, cmdp) != 0x00) {
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char c = param_getchar(cmd, cmdp);
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if ((c == '-') && (param_getlength(cmd, cmdp) == 2))
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switch (param_getchar_indx(cmd, 1, cmdp)) {
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case 'h':
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case 'H':
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UsageCmdHFEMVPPSE();
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return 0;
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case 's':
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case 'S':
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activateField = true;
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break;
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case 'a':
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case 'A':
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showAPDU = true;
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break;
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case 't':
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case 'T':
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decodeTLV = true;
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break;
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case 'f':
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case 'F':
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forceSearch = true;
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break;
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default:
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PrintAndLog("Unknown parameter '%c'", param_getchar_indx(cmd, 1, cmdp));
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return 1;
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}
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cmdp++;
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}
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// init applets list tree
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struct tlvdb *tlvSelect = NULL;
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const char *al = "Applets list";
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tlvSelect = tlvdb_fixed(1, strlen(al), (const unsigned char *)al);
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// Application Selection
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// https://www.openscdp.org/scripts/tutorial/emv/applicationselection.html
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if (!forceSearch) {
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// PPSE
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PrintAndLog("\n* PPSE.");
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SetAPDULogging(showAPDU);
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res = EMVSearchPSE(activateField, true, decodeTLV, tlvSelect);
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// check PPSE and select application id
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if (!res) {
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TLVPrintAIDlistFromSelectTLV(tlvSelect);
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EMVSelectApplication(tlvSelect, AID, &AIDlen);
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}
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}
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// Search
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if (!AIDlen) {
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PrintAndLog("\n* Search AID in list.");
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SetAPDULogging(false);
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if (EMVSearch(activateField, true, decodeTLV, tlvSelect)) {
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tlvdb_free(tlvSelect);
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return 2;
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}
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// check search and select application id
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TLVPrintAIDlistFromSelectTLV(tlvSelect);
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EMVSelectApplication(tlvSelect, AID, &AIDlen);
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}
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// Init TLV tree
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struct tlvdb *tlvRoot = NULL;
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const char *alr = "Root terminal TLV tree";
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tlvRoot = tlvdb_fixed(1, strlen(alr), (const unsigned char *)alr);
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// check if we found EMV application on card
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if (!AIDlen) {
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PrintAndLog("Can't select AID. EMV AID not found");
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return 2;
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}
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// Select
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PrintAndLog("\n* Selecting AID:%s", sprint_hex_inrow(AID, AIDlen));
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SetAPDULogging(showAPDU);
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res = EMVSelect(false, true, AID, AIDlen, buf, sizeof(buf), &len, &sw, tlvRoot);
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if (res) {
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PrintAndLog("Can't select AID (%d). Exit...", res);
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return 3;
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}
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if (decodeTLV)
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TLVPrintFromBuffer(buf, len);
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PrintAndLog("* Selected.");
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PrintAndLog("-----BREAK.");
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return 0;
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PrintAndLog("\n* Init transaction parameters.");
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//9F66:(Terminal Transaction Qualifiers (TTQ)) len:4
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TLV_ADD(0x9F66, "\x26\x00\x00\x00"); // E6
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//9F02:(Amount, Authorised (Numeric)) len:6
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TLV_ADD(0x9F02, "\x00\x00\x00\x00\x01\x00");
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//9F1A:(Terminal Country Code) len:2
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TLV_ADD(0x9F1A, "ru");
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//5F2A:(Transaction Currency Code) len:2
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// USD 840, EUR 978, RUR 810, RUB 643, RUR 810(old), UAH 980, AZN 031, n/a 999
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TLV_ADD(0x5F2A, "\x09\x80");
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//9A:(Transaction Date) len:3
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TLV_ADD(0x9A, "\x00\x00\x00");
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//9C:(Transaction Type) len:1 | 00 => Goods and service #01 => Cash
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TLV_ADD(0x9C, "\x00");
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// 9F37 Unpredictable Number len:4
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TLV_ADD(0x9F37, "\x01\x02\x03\x04");
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TLVPrintFromTLV(tlvRoot);
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PrintAndLog("\n* Calc PDOL.");
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struct tlv *pdol_data_tlv = dol_process(tlvdb_get(tlvRoot, 0x9f38, NULL), tlvRoot, 0x83);
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if (!pdol_data_tlv){
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PrintAndLog("ERROR: can't create PDOL TLV.");
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return 4;
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}
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size_t pdol_data_tlv_data_len;
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unsigned char *pdol_data_tlv_data = tlv_encode(pdol_data_tlv, &pdol_data_tlv_data_len);
|
||
|
if (!pdol_data_tlv_data) {
|
||
|
PrintAndLog("ERROR: can't create PDOL data.");
|
||
|
return 4;
|
||
|
}
|
||
|
PrintAndLog("PDOL data[%d]: %s", pdol_data_tlv_data_len, sprint_hex(pdol_data_tlv_data, pdol_data_tlv_data_len));
|
||
|
|
||
|
//PrintAndLog("-----BREAK.");
|
||
|
//return 0;
|
||
|
PrintAndLog("\n* GPO.");
|
||
|
res = EMVGPO(true, pdol_data_tlv_data, pdol_data_tlv_data_len, buf, sizeof(buf), &len, &sw, tlvRoot);
|
||
|
|
||
|
free(pdol_data_tlv);
|
||
|
|
||
|
if (res) {
|
||
|
PrintAndLog("GPO error(%d): %4x. Exit...", res, sw);
|
||
|
return 5;
|
||
|
}
|
||
|
|
||
|
// process response template format 1 [id:80 2b AIP + x4b AFL] and format 2 [id:77 TLV]
|
||
|
if (buf[0] == 0x80) {
|
||
|
|
||
|
|
||
|
|
||
|
if (decodeTLV){
|
||
|
PrintAndLog("GPO response format1:");
|
||
|
TLVPrintFromBuffer(buf, len);
|
||
|
}
|
||
|
} else {
|
||
|
|
||
|
|
||
|
|
||
|
if (decodeTLV)
|
||
|
TLVPrintFromBuffer(buf, len);
|
||
|
}
|
||
|
|
||
|
PrintAndLog("\n* Read records from AFL.");
|
||
|
const struct tlv *AFL = tlvdb_get(tlvRoot, 0x94, NULL);
|
||
|
if (!AFL || !AFL->len) {
|
||
|
PrintAndLog("WARNING: AFL not found.");
|
||
|
}
|
||
|
|
||
|
while(AFL && AFL->len) {
|
||
|
if (AFL->len % 4) {
|
||
|
PrintAndLog("ERROR: Wrong AFL length: %d", AFL->len);
|
||
|
break;
|
||
|
}
|
||
|
|
||
|
for (int i = 0; i < AFL->len / 4; i++) {
|
||
|
uint8_t SFI = AFL->value[i * 4 + 0] >> 3;
|
||
|
uint8_t SFIstart = AFL->value[i * 4 + 1];
|
||
|
uint8_t SFIend = AFL->value[i * 4 + 2];
|
||
|
uint8_t SFIoffline = AFL->value[i * 4 + 3];
|
||
|
|
||
|
PrintAndLog("* * SFI[%02x] start:%02x end:%02x offline:%02x", SFI, SFIstart, SFIend, SFIoffline);
|
||
|
if (SFI == 0 || SFI == 31 || SFIstart == 0 || SFIstart > SFIend) {
|
||
|
PrintAndLog("SFI ERROR! Skipped...");
|
||
|
continue;
|
||
|
}
|
||
|
|
||
|
for(int n = SFIstart; n <= SFIend; n++) {
|
||
|
PrintAndLog("* * * SFI[%02x] %d", SFI, n);
|
||
|
|
||
|
res = EMVReadRecord(true, SFI, n, buf, sizeof(buf), &len, &sw, tlvRoot);
|
||
|
if (res) {
|
||
|
PrintAndLog("ERROR SFI[%02x]. APDU error %4x", SFI, sw);
|
||
|
continue;
|
||
|
}
|
||
|
|
||
|
if (decodeTLV) {
|
||
|
TLVPrintFromBuffer(buf, len);
|
||
|
PrintAndLog("");
|
||
|
}
|
||
|
|
||
|
if (SFIoffline) {
|
||
|
// here will be offline records storing...
|
||
|
// dont foget: if (sfi < 11)
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
break;
|
||
|
}
|
||
|
|
||
|
// additional contacless EMV commands (fDDA, CDA, external authenticate)
|
||
|
|
||
|
|
||
|
// DropField
|
||
|
DropField();
|
||
|
|
||
|
// Destroy TLV's
|
||
|
tlvdb_free(tlvSelect);
|
||
|
tlvdb_free(tlvRoot);
|
||
|
|
||
|
PrintAndLog("\n* Transaction completed.");
|
||
|
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
int CmdHelp(const char *Cmd);
|
||
|
static command_t CommandTable[] = {
|
||
|
{"help", CmdHelp, 1, "This help"},
|
||
|
{"exec", CmdHFEMVExec, 0, "Executes EMV contactless transaction."},
|
||
|
{"pse", CmdHFEMVPPSE, 0, "Execute PPSE. It selects 2PAY.SYS.DDF01 or 1PAY.SYS.DDF01 directory."},
|
||
|
{"search", CmdHFEMVSearch, 0, "Try to select all applets from applets list and print installed applets."},
|
||
|
{"select", CmdHFEMVSelect, 0, "Select applet."},
|
||
|
{NULL, NULL, 0, NULL}
|
||
|
};
|
||
|
|
||
|
int CmdHFEMV(const char *Cmd) {
|
||
|
CmdsParse(CommandTable, Cmd);
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
int CmdHelp(const char *Cmd) {
|
||
|
CmdsHelp(CommandTable);
|
||
|
return 0;
|
||
|
}
|