X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/556826b5d52152450259311c613695ee5adcac04..6b882a3918590b9c0f45643323adae9862eedde5:/client/emv/cmdemv.c diff --git a/client/emv/cmdemv.c b/client/emv/cmdemv.c index 541f505a..d886834d 100644 --- a/client/emv/cmdemv.c +++ b/client/emv/cmdemv.c @@ -1,5 +1,5 @@ //----------------------------------------------------------------------------- -// Copyright (C) 2017 Merlok +// Copyright (C) 2017, 2018 Merlok // // This code is licensed to you under the terms of the GNU GPL, version 2 or, // at your option, any later version. See the LICENSE.txt file for the text of @@ -9,88 +9,62 @@ //----------------------------------------------------------------------------- #include +#include "mifare.h" #include "cmdemv.h" +#include "emvjson.h" +#include "emv_pki.h" #include "test/cryptotest.h" +#include "cliparser/cliparser.h" #include -int UsageCmdHFEMVSelect(void) { - PrintAndLog("HELP : Executes select applet command:\n"); - PrintAndLog("Usage: hf emv select [-s][-k][-a][-t] \n"); - PrintAndLog(" Options:"); - PrintAndLog(" -s : select card"); - PrintAndLog(" -k : keep field for next command"); - PrintAndLog(" -a : show APDU reqests and responses\n"); - PrintAndLog(" -t : TLV decode results\n"); - PrintAndLog("Samples:"); - PrintAndLog(" hf emv select -s a00000000101 -> select card, select applet"); - PrintAndLog(" hf emv select -s -t a00000000101 -> select card, select applet, show result in TLV"); - return 0; +#define TLV_ADD(tag, value)( tlvdb_change_or_add_node(tlvRoot, tag, sizeof(value) - 1, (const unsigned char *)value) ) +void ParamLoadDefaults(struct tlvdb *tlvRoot) { + //9F02:(Amount, authorized (Numeric)) len:6 + TLV_ADD(0x9F02, "\x00\x00\x00\x00\x01\x00"); + //9F1A:(Terminal Country Code) len:2 + TLV_ADD(0x9F1A, "ru"); + //5F2A:(Transaction Currency Code) len:2 + // USD 840, EUR 978, RUR 810, RUB 643, RUR 810(old), UAH 980, AZN 031, n/a 999 + TLV_ADD(0x5F2A, "\x09\x80"); + //9A:(Transaction Date) len:3 + TLV_ADD(0x9A, "\x00\x00\x00"); + //9C:(Transaction Type) len:1 | 00 => Goods and service #01 => Cash + TLV_ADD(0x9C, "\x00"); + // 9F37 Unpredictable Number len:4 + TLV_ADD(0x9F37, "\x01\x02\x03\x04"); + // 9F6A Unpredictable Number (MSD for UDOL) len:4 + TLV_ADD(0x9F6A, "\x01\x02\x03\x04"); + //9F66:(Terminal Transaction Qualifiers (TTQ)) len:4 + TLV_ADD(0x9F66, "\x26\x00\x00\x00"); // qVSDC } int CmdHFEMVSelect(const char *cmd) { uint8_t data[APDU_AID_LEN] = {0}; int datalen = 0; - bool activateField = false; - bool leaveSignalON = false; - bool decodeTLV = false; - if (strlen(cmd) < 1) { - UsageCmdHFEMVSelect(); - return 0; - } + CLIParserInit("hf emv select", + "Executes select applet command", + "Usage:\n\thf emv select -s a00000000101 -> select card, select applet\n\thf emv select -st a00000000101 -> select card, select applet, show result in TLV\n"); + + void* argtable[] = { + arg_param_begin, + arg_lit0("sS", "select", "activate field and select card"), + arg_lit0("kK", "keep", "keep field for next command"), + arg_lit0("aA", "apdu", "show APDU reqests and responses"), + arg_lit0("tT", "tlv", "TLV decode results"), + arg_strx0(NULL, NULL, "", NULL), + arg_param_end + }; + CLIExecWithReturn(cmd, argtable, true); - SetAPDULogging(false); - - int cmdp = 0; - while(param_getchar(cmd, cmdp) != 0x00) { - char c = param_getchar(cmd, cmdp); - if ((c == '-') && (param_getlength(cmd, cmdp) == 2)) - switch (param_getchar_indx(cmd, 1, cmdp)) { - case 'h': - case 'H': - UsageCmdHFEMVSelect(); - return 0; - case 's': - case 'S': - activateField = true; - break; - case 'k': - case 'K': - leaveSignalON = true; - break; - case 'a': - case 'A': - SetAPDULogging(true); - break; - case 't': - case 'T': - decodeTLV = true; - break; - default: - PrintAndLog("Unknown parameter '%c'", param_getchar_indx(cmd, 1, cmdp)); - return 1; - } - - if (isxdigit((unsigned char)c)) { - switch(param_gethex_to_eol(cmd, cmdp, data, sizeof(data), &datalen)) { - case 1: - PrintAndLog("Invalid HEX value."); - return 1; - case 2: - PrintAndLog("AID too large."); - return 1; - case 3: - PrintAndLog("Hex must have even number of digits."); - return 1; - } - - // we get all the hex to end of line with spaces - break; - } - - - cmdp++; - } + bool activateField = arg_get_lit(1); + bool leaveSignalON = arg_get_lit(2); + bool APDULogging = arg_get_lit(3); + bool decodeTLV = arg_get_lit(4); + CLIGetHexWithReturn(5, data, &datalen); + CLIParserFree(); + + SetAPDULogging(APDULogging); // exec uint8_t buf[APDU_RES_LEN] = {0}; @@ -110,65 +84,30 @@ int CmdHFEMVSelect(const char *cmd) { return 0; } -int UsageCmdHFEMVSearch(void) { - PrintAndLog("HELP : Tries to select all applets from applet list:\n"); - PrintAndLog("Usage: hf emv search [-s][-k][-a][-t]\n"); - PrintAndLog(" Options:"); - PrintAndLog(" -s : select card"); - PrintAndLog(" -k : keep field for next command"); - PrintAndLog(" -a : show APDU reqests and responses\n"); - PrintAndLog(" -t : TLV decode results of selected applets\n"); - PrintAndLog("Samples:"); - PrintAndLog(" hf emv search -s -> select card and search"); - PrintAndLog(" hf emv search -s -t -> select card, search and show result in TLV"); - return 0; -} - int CmdHFEMVSearch(const char *cmd) { - bool activateField = false; - bool leaveSignalON = false; - bool decodeTLV = false; - - if (strlen(cmd) < 1) { - UsageCmdHFEMVSearch(); - return 0; - } + CLIParserInit("hf emv search", + "Tries to select all applets from applet list:\n", + "Usage:\n\thf emv search -s -> select card and search\n\thf emv search -st -> select card, search and show result in TLV\n"); + + void* argtable[] = { + arg_param_begin, + arg_lit0("sS", "select", "activate field and select card"), + arg_lit0("kK", "keep", "keep field ON for next command"), + arg_lit0("aA", "apdu", "show APDU reqests and responses"), + arg_lit0("tT", "tlv", "TLV decode results of selected applets"), + arg_param_end + }; + CLIExecWithReturn(cmd, argtable, true); + + bool activateField = arg_get_lit(1); + bool leaveSignalON = arg_get_lit(2); + bool APDULogging = arg_get_lit(3); + bool decodeTLV = arg_get_lit(4); + CLIParserFree(); + + SetAPDULogging(APDULogging); - SetAPDULogging(false); - - int cmdp = 0; - while(param_getchar(cmd, cmdp) != 0x00) { - char c = param_getchar(cmd, cmdp); - if ((c == '-') && (param_getlength(cmd, cmdp) == 2)) - switch (param_getchar_indx(cmd, 1, cmdp)) { - case 'h': - case 'H': - UsageCmdHFEMVSearch(); - return 0; - case 's': - case 'S': - activateField = true; - break; - case 'k': - case 'K': - leaveSignalON = true; - break; - case 'a': - case 'A': - SetAPDULogging(true); - break; - case 't': - case 'T': - decodeTLV = true; - break; - default: - PrintAndLog("Unknown parameter '%c'", param_getchar_indx(cmd, 1, cmdp)); - return 1; - } - cmdp++; - } - struct tlvdb *t = NULL; const char *al = "Applets list"; t = tlvdb_fixed(1, strlen(al), (const unsigned char *)al); @@ -190,74 +129,36 @@ int CmdHFEMVSearch(const char *cmd) { return 0; } -int UsageCmdHFEMVPPSE(void) { - PrintAndLog("HELP : Executes PSE/PPSE select command. It returns list of applet on the card:\n"); - PrintAndLog("Usage: hf emv pse [-s][-k][-1][-2][-a][-t]\n"); - PrintAndLog(" Options:"); - PrintAndLog(" -s : select card"); - PrintAndLog(" -k : keep field for next command"); - PrintAndLog(" -1 : ppse (1PAY.SYS.DDF01)"); - PrintAndLog(" -2 : pse (2PAY.SYS.DDF01)"); - PrintAndLog(" -a : show APDU reqests and responses\n"); - PrintAndLog(" -t : TLV decode results\n"); - PrintAndLog("Samples:"); - PrintAndLog(" hf emv pse -s -1 -> select, get pse"); - PrintAndLog(" hf emv pse -s -k -2 -> select, get ppse, keep field"); - PrintAndLog(" hf emv pse -s -t -2 -> select, get ppse, show result in TLV"); - return 0; -} - int CmdHFEMVPPSE(const char *cmd) { + CLIParserInit("hf emv pse", + "Executes PSE/PPSE select command. It returns list of applet on the card:\n", + "Usage:\n\thf emv pse -s1 -> select, get pse\n\thf emv pse -st2 -> select, get ppse, show result in TLV\n"); + + void* argtable[] = { + arg_param_begin, + arg_lit0("sS", "select", "activate field and select card"), + arg_lit0("kK", "keep", "keep field ON for next command"), + arg_lit0("1", "pse", "pse (1PAY.SYS.DDF01) mode"), + arg_lit0("2", "ppse", "ppse (2PAY.SYS.DDF01) mode (default mode)"), + arg_lit0("aA", "apdu", "show APDU reqests and responses"), + arg_lit0("tT", "tlv", "TLV decode results of selected applets"), + arg_param_end + }; + CLIExecWithReturn(cmd, argtable, true); + + bool activateField = arg_get_lit(1); + bool leaveSignalON = arg_get_lit(2); uint8_t PSENum = 2; - bool activateField = false; - bool leaveSignalON = false; - bool decodeTLV = false; - - if (strlen(cmd) < 1) { - UsageCmdHFEMVPPSE(); - return 0; - } - - SetAPDULogging(false); - - int cmdp = 0; - while(param_getchar(cmd, cmdp) != 0x00) { - char c = param_getchar(cmd, cmdp); - if ((c == '-') && (param_getlength(cmd, cmdp) == 2)) - switch (param_getchar_indx(cmd, 1, cmdp)) { - case 'h': - case 'H': - UsageCmdHFEMVPPSE(); - return 0; - case 's': - case 'S': - activateField = true; - break; - case 'k': - case 'K': - leaveSignalON = true; - break; - case 'a': - case 'A': - SetAPDULogging(true); - break; - case 't': - case 'T': - decodeTLV = true; - break; - case '1': - PSENum = 1; - break; - case '2': - PSENum = 2; - break; - default: - PrintAndLog("Unknown parameter '%c'", param_getchar_indx(cmd, 1, cmdp)); - return 1; - } - cmdp++; - } + if (arg_get_lit(3)) + PSENum = 1; + if (arg_get_lit(4)) + PSENum = 2; + bool APDULogging = arg_get_lit(5); + bool decodeTLV = arg_get_lit(6); + CLIParserFree(); + + SetAPDULogging(APDULogging); // exec uint8_t buf[APDU_RES_LEN] = {0}; @@ -278,188 +179,457 @@ int CmdHFEMVPPSE(const char *cmd) { return 0; } -int UsageCmdHFEMVExec(void) { - PrintAndLog("HELP : Executes EMV contactless transaction:\n"); - PrintAndLog("Usage: hf emv exec [-s][-a][-t][-j][-f][-v][-c][-x][-g]\n"); - PrintAndLog(" Options:"); - PrintAndLog(" -s : select card"); - PrintAndLog(" -a : show APDU reqests and responses\n"); - PrintAndLog(" -t : TLV decode results\n"); - PrintAndLog(" -j : load transaction parameters from `emv/defparams.json` file\n"); - PrintAndLog(" -f : force search AID. Search AID instead of execute PPSE.\n"); - PrintAndLog(" -v : transaction type - qVSDC or M/Chip.\n"); - PrintAndLog(" -c : transaction type - qVSDC or M/Chip plus CDA (SDAD generation).\n"); - PrintAndLog(" -x : transaction type - VSDC. For test only. Not a standart behavior.\n"); - PrintAndLog(" -g : VISA. generate AC from GPO\n"); - PrintAndLog("By default : transaction type - MSD.\n"); - PrintAndLog("Samples:"); - PrintAndLog(" hf emv exec -s -a -t -> execute MSD transaction"); - PrintAndLog(" hf emv exec -s -a -t -c -> execute CDA transaction"); - return 0; -} +int CmdHFEMVGPO(const char *cmd) { + uint8_t data[APDU_RES_LEN] = {0}; + int datalen = 0; -#define TLV_ADD(tag, value)( tlvdb_change_or_add_node(tlvRoot, tag, sizeof(value) - 1, (const unsigned char *)value) ) -#define dreturn(n) {free(pdol_data_tlv);tlvdb_free(tlvSelect);tlvdb_free(tlvRoot);DropField();return n;} + CLIParserInit("hf emv gpo", + "Executes Get Processing Options command. It returns data in TLV format (0x77 - format2) or plain format (0x80 - format1).\nNeeds a EMV applet to be selected.", + "Usage:\n\thf emv gpo -k -> execute GPO\n" + "\thf emv gpo -t 01020304 -> execute GPO with 4-byte PDOL data, show result in TLV\n" + "\thf emv gpo -pmt 9F 37 04 -> load params from file, make PDOL data from PDOL, execute GPO with PDOL, show result in TLV\n"); + + void* argtable[] = { + arg_param_begin, + arg_lit0("kK", "keep", "keep field ON for next command"), + arg_lit0("pP", "params", "load parameters from `emv/defparams.json` file for PDOLdata making from PDOL and parameters"), + arg_lit0("mM", "make", "make PDOLdata from PDOL (tag 9F38) and parameters (by default uses default parameters)"), + arg_lit0("aA", "apdu", "show APDU reqests and responses"), + arg_lit0("tT", "tlv", "TLV decode results of selected applets"), + arg_strx0(NULL, NULL, "", NULL), + arg_param_end + }; + CLIExecWithReturn(cmd, argtable, true); + + bool leaveSignalON = arg_get_lit(1); + bool paramsLoadFromFile = arg_get_lit(2); + bool dataMakeFromPDOL = arg_get_lit(3); + bool APDULogging = arg_get_lit(4); + bool decodeTLV = arg_get_lit(5); + CLIGetHexWithReturn(6, data, &datalen); + CLIParserFree(); + + SetAPDULogging(APDULogging); + + // Init TLV tree + const char *alr = "Root terminal TLV tree"; + struct tlvdb *tlvRoot = tlvdb_fixed(1, strlen(alr), (const unsigned char *)alr); + + // calc PDOL + struct tlv *pdol_data_tlv = NULL; + struct tlv data_tlv = { + .tag = 0x83, + .len = datalen, + .value = (uint8_t *)data, + }; + if (dataMakeFromPDOL) { + ParamLoadDefaults(tlvRoot); + + if (paramsLoadFromFile) { + PrintAndLog("Params loading from file..."); + ParamLoadFromJson(tlvRoot); + }; + + pdol_data_tlv = dol_process((const struct tlv *)tlvdb_external(0x9f38, datalen, data), tlvRoot, 0x83); + if (!pdol_data_tlv){ + PrintAndLog("ERROR: can't create PDOL TLV."); + tlvdb_free(tlvRoot); + return 4; + } + } else { + if (paramsLoadFromFile) { + PrintAndLog("WARNING: don't need to load parameters. Sending plain PDOL data..."); + } + pdol_data_tlv = &data_tlv; + } -bool HexToBuffer(const char *errormsg, const char *hexvalue, uint8_t * buffer, size_t maxbufferlen, size_t *bufferlen) { - int buflen = 0; - - switch(param_gethex_to_eol(hexvalue, 0, buffer, maxbufferlen, &buflen)) { - case 1: - PrintAndLog("%s Invalid HEX value.", errormsg); - return false; - case 2: - PrintAndLog("%s Hex value too large.", errormsg); - return false; - case 3: - PrintAndLog("%s Hex value must have even number of digits.", errormsg); - return false; + size_t pdol_data_tlv_data_len = 0; + 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."); + tlvdb_free(tlvRoot); + return 4; } + PrintAndLog("PDOL data[%d]: %s", pdol_data_tlv_data_len, sprint_hex(pdol_data_tlv_data, pdol_data_tlv_data_len)); - if (buflen > maxbufferlen) { - PrintAndLog("%s HEX length (%d) more than %d", errormsg, *bufferlen, maxbufferlen); - return false; - } + // exec + uint8_t buf[APDU_RES_LEN] = {0}; + size_t len = 0; + uint16_t sw = 0; + int res = EMVGPO(leaveSignalON, pdol_data_tlv_data, pdol_data_tlv_data_len, buf, sizeof(buf), &len, &sw, tlvRoot); - *bufferlen = buflen; + if (pdol_data_tlv != &data_tlv) + free(pdol_data_tlv); + tlvdb_free(tlvRoot); - return true; + if (sw) + PrintAndLog("APDU response status: %04x - %s", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff)); + + if (res) + return res; + + if (decodeTLV) + TLVPrintFromBuffer(buf, len); + + return 0; } -bool ParamLoadFromJson(struct tlvdb *tlv) { - json_t *root; - json_error_t error; +int CmdHFEMVReadRecord(const char *cmd) { + uint8_t data[APDU_RES_LEN] = {0}; + int datalen = 0; - if (!tlv) { - PrintAndLog("ERROR load params: tlv tree is NULL."); - return false; + CLIParserInit("hf emv readrec", + "Executes Read Record command. It returns data in TLV format.\nNeeds a bank applet to be selected and sometimes needs GPO to be executed.", + "Usage:\n\thf emv readrec -k 0101 -> read file SFI=01, SFIrec=01\n\thf emv readrec -kt 0201-> read file 0201 and show result in TLV\n"); + + void* argtable[] = { + arg_param_begin, + arg_lit0("kK", "keep", "keep field ON for next command"), + arg_lit0("aA", "apdu", "show APDU reqests and responses"), + arg_lit0("tT", "tlv", "TLV decode results of selected applets"), + arg_strx1(NULL, NULL, "", NULL), + arg_param_end + }; + CLIExecWithReturn(cmd, argtable, true); + + bool leaveSignalON = arg_get_lit(1); + bool APDULogging = arg_get_lit(2); + bool decodeTLV = arg_get_lit(3); + CLIGetHexWithReturn(4, data, &datalen); + CLIParserFree(); + + if (datalen != 2) { + PrintAndLog("ERROR: Command needs to have 2 bytes of data"); + return 1; } + + SetAPDULogging(APDULogging); + + // exec + uint8_t buf[APDU_RES_LEN] = {0}; + size_t len = 0; + uint16_t sw = 0; + int res = EMVReadRecord(leaveSignalON, data[0], data[1], buf, sizeof(buf), &len, &sw, NULL); + + if (sw) + PrintAndLog("APDU response status: %04x - %s", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff)); - // current path + file name - const char *relfname = "emv/defparams.json"; - char fname[strlen(get_my_executable_directory()) + strlen(relfname) + 1]; - strcpy(fname, get_my_executable_directory()); - strcat(fname, relfname); + if (res) + return res; + + + if (decodeTLV) + TLVPrintFromBuffer(buf, len); - root = json_load_file(fname, 0, &error); - if (!root) { - PrintAndLog("Load params: json error on line %d: %s", error.line, error.text); - return false; - } + return 0; +} + +int CmdHFEMVAC(const char *cmd) { + uint8_t data[APDU_RES_LEN] = {0}; + int datalen = 0; + + CLIParserInit("hf emv 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 -> generate AC with 2-byte CDOLdata and keep field ON after command\n" + "\thf emv genac -t 01020304 -> generate AC with 4-byte CDOL data, show result in TLV\n" + "\thf emv genac -Daac 01020304 -> generate AC with 4-byte CDOL data and terminal decision 'declined'\n" + "\thf emv genac -pmt 9F 37 04 -> load params from file, make CDOL data from CDOL, generate AC with CDOL, show result in TLV"); + + 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_str0("dD", "decision", "", "Terminal decision. aac - declined, tc - approved, arqc - online authorisation requested"), + arg_lit0("pP", "params", "load parameters from `emv/defparams.json` file for CDOLdata making from CDOL and parameters"), + arg_lit0("mM", "make", "make CDOLdata from CDOL (tag 8C and 8D) and parameters (by default uses default parameters)"), + arg_lit0("aA", "apdu", "show APDU reqests and responses"), + arg_lit0("tT", "tlv", "TLV decode results of selected applets"), + arg_strx1(NULL, NULL, "", NULL), + arg_param_end + }; + CLIExecWithReturn(cmd, argtable, false); - if (!json_is_array(root)) { - PrintAndLog("Load params: Invalid json format. root must be array."); - return false; + bool leaveSignalON = arg_get_lit(1); + bool trTypeCDA = arg_get_lit(2); + uint8_t termDecision = 0xff; + if (arg_get_str_len(3)) { + if (!strncmp(arg_get_str(3)->sval[0], "aac", 4)) + termDecision = EMVAC_AAC; + if (!strncmp(arg_get_str(3)->sval[0], "tc", 4)) + termDecision = EMVAC_TC; + if (!strncmp(arg_get_str(3)->sval[0], "arqc", 4)) + termDecision = EMVAC_ARQC; + + if (termDecision == 0xff) { + PrintAndLog("ERROR: can't find terminal decision '%s'", arg_get_str(3)->sval[0]); + return 1; + } + } else { + termDecision = EMVAC_TC; } + if (trTypeCDA) + termDecision = termDecision | EMVAC_CDAREQ; + bool paramsLoadFromFile = arg_get_lit(4); + bool dataMakeFromCDOL = arg_get_lit(5); + bool APDULogging = arg_get_lit(6); + bool decodeTLV = arg_get_lit(7); + CLIGetHexWithReturn(8, data, &datalen); + CLIParserFree(); + + SetAPDULogging(APDULogging); - PrintAndLog("Load params: json OK"); + // Init TLV tree + const char *alr = "Root terminal TLV tree"; + struct tlvdb *tlvRoot = tlvdb_fixed(1, strlen(alr), (const unsigned char *)alr); - for(int i = 0; i < json_array_size(root); i++) { - json_t *data, *jtype, *jlength, *jvalue; + // calc CDOL + struct tlv *cdol_data_tlv = NULL; + struct tlv data_tlv = { + .tag = 0x01, + .len = datalen, + .value = (uint8_t *)data, + }; + + if (dataMakeFromCDOL) { + ParamLoadDefaults(tlvRoot); - data = json_array_get(root, i); - if(!json_is_object(data)) - { - PrintAndLog("Load params: data [%d] is not an object", i + 1); - json_decref(root); - return false; - } - - jtype = json_object_get(data, "type"); - if(!json_is_string(jtype)) - { - PrintAndLog("Load params: data [%d] type is not a string", i + 1); - json_decref(root); - return false; - } - const char *tlvType = json_string_value(jtype); - - jvalue = json_object_get(data, "value"); - if(!json_is_string(jvalue)) - { - PrintAndLog("Load params: data [%d] value is not a string", i + 1); - json_decref(root); - return false; - } - const char *tlvValue = json_string_value(jvalue); - - jlength = json_object_get(data, "length"); - if(!json_is_number(jlength)) - { - PrintAndLog("Load params: data [%d] length is not a number", i + 1); - json_decref(root); - return false; - } + if (paramsLoadFromFile) { + PrintAndLog("Params loading from file..."); + ParamLoadFromJson(tlvRoot); + }; - int tlvLength = json_integer_value(jlength); - if (tlvLength > 250) { - PrintAndLog("Load params: data [%d] length more than 250", i + 1); - json_decref(root); - return false; + cdol_data_tlv = dol_process((const struct tlv *)tlvdb_external(0x8c, datalen, data), tlvRoot, 0x01); // 0x01 - dummy tag + if (!cdol_data_tlv){ + PrintAndLog("ERROR: can't create CDOL TLV."); + tlvdb_free(tlvRoot); + return 4; } - - PrintAndLog("TLV param: %s[%d]=%s", tlvType, tlvLength, tlvValue); - uint8_t buf[251] = {0}; - size_t buflen = 0; - - // here max length must be 4, but now tlv_tag_t is 2-byte var. so let it be 2 by now... TODO: needs refactoring tlv_tag_t... - if (!HexToBuffer("TLV Error type:", tlvType, buf, 2, &buflen)) { - json_decref(root); - return false; + } else { + if (paramsLoadFromFile) { + PrintAndLog("WARNING: don't need to load parameters. Sending plain CDOL data..."); } - tlv_tag_t tag = 0; - for (int i = 0; i < buflen; i++) { - tag = (tag << 8) + buf[i]; - } + cdol_data_tlv = &data_tlv; + } + + PrintAndLog("CDOL data[%d]: %s", cdol_data_tlv->len, sprint_hex(cdol_data_tlv->value, cdol_data_tlv->len)); + + // exec + uint8_t buf[APDU_RES_LEN] = {0}; + size_t len = 0; + uint16_t sw = 0; + int res = EMVAC(leaveSignalON, termDecision, (uint8_t *)cdol_data_tlv->value, cdol_data_tlv->len, buf, sizeof(buf), &len, &sw, tlvRoot); + + if (cdol_data_tlv != &data_tlv) + free(cdol_data_tlv); + tlvdb_free(tlvRoot); + + if (sw) + PrintAndLog("APDU response status: %04x - %s", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff)); + + if (res) + return res; + + if (decodeTLV) + TLVPrintFromBuffer(buf, len); + + return 0; +} + +int CmdHFEMVGenerateChallenge(const char *cmd) { + + CLIParserInit("hf emv challenge", + "Executes Generate Challenge command. It returns 4 or 8-byte random number from card.\nNeeds a EMV applet to be selected and GPO to be executed.", + "Usage:\n\thf emv challenge -> get challenge\n\thf emv challenge -k -> get challenge, keep fileld ON\n"); + + void* argtable[] = { + arg_param_begin, + arg_lit0("kK", "keep", "keep field ON for next command"), + arg_lit0("aA", "apdu", "show APDU reqests and responses"), + arg_param_end + }; + CLIExecWithReturn(cmd, argtable, true); + + bool leaveSignalON = arg_get_lit(1); + bool APDULogging = arg_get_lit(2); + CLIParserFree(); + + SetAPDULogging(APDULogging); + + // exec + uint8_t buf[APDU_RES_LEN] = {0}; + size_t len = 0; + uint16_t sw = 0; + int res = EMVGenerateChallenge(leaveSignalON, buf, sizeof(buf), &len, &sw, NULL); + + if (sw) + PrintAndLog("APDU response status: %04x - %s", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff)); + + if (res) + return res; + + PrintAndLog("Challenge: %s", sprint_hex(buf, len)); + + if (len != 4 && len != 8) + PrintAndLog("WARNING: length of challenge must be 4 or 8, but it %d", len); + + return 0; +} + +int CmdHFEMVInternalAuthenticate(const char *cmd) { + uint8_t data[APDU_RES_LEN] = {0}; + int datalen = 0; + + CLIParserInit("hf emv intauth", + "Generate Internal Authenticate command. Usually needs 4-byte random number. It returns data in TLV format .\nNeeds a EMV applet to be selected and GPO to be executed.", + "Usage:\n\thf emv intauth -k 01020304 -> execute Internal Authenticate with 4-byte DDOLdata and keep field ON after command\n" + "\thf emv intauth -t 01020304 -> execute Internal Authenticate with 4-byte DDOL data, show result in TLV\n" + "\thf emv intauth -pmt 9F 37 04 -> load params from file, make DDOL data from DDOL, Internal Authenticate with DDOL, show result in TLV"); + + void* argtable[] = { + arg_param_begin, + arg_lit0("kK", "keep", "keep field ON for next command"), + arg_lit0("pP", "params", "load parameters from `emv/defparams.json` file for DDOLdata making from DDOL and parameters"), + arg_lit0("mM", "make", "make DDOLdata from DDOL (tag 9F49) and parameters (by default uses default parameters)"), + arg_lit0("aA", "apdu", "show APDU reqests and responses"), + arg_lit0("tT", "tlv", "TLV decode results of selected applets"), + arg_strx1(NULL, NULL, "", NULL), + arg_param_end + }; + CLIExecWithReturn(cmd, argtable, false); + + bool leaveSignalON = arg_get_lit(1); + bool paramsLoadFromFile = arg_get_lit(2); + bool dataMakeFromDDOL = arg_get_lit(3); + bool APDULogging = arg_get_lit(4); + bool decodeTLV = arg_get_lit(5); + CLIGetHexWithReturn(6, data, &datalen); + CLIParserFree(); + + SetAPDULogging(APDULogging); + + // Init TLV tree + const char *alr = "Root terminal TLV tree"; + struct tlvdb *tlvRoot = tlvdb_fixed(1, strlen(alr), (const unsigned char *)alr); + + // calc DDOL + struct tlv *ddol_data_tlv = NULL; + struct tlv data_tlv = { + .tag = 0x01, + .len = datalen, + .value = (uint8_t *)data, + }; + + if (dataMakeFromDDOL) { + ParamLoadDefaults(tlvRoot); + + if (paramsLoadFromFile) { + PrintAndLog("Params loading from file..."); + ParamLoadFromJson(tlvRoot); + }; - if (!HexToBuffer("TLV Error value:", tlvValue, buf, sizeof(buf) - 1, &buflen)) { - json_decref(root); - return false; + ddol_data_tlv = dol_process((const struct tlv *)tlvdb_external(0x9f49, datalen, data), tlvRoot, 0x01); // 0x01 - dummy tag + if (!ddol_data_tlv){ + PrintAndLog("ERROR: can't create DDOL TLV."); + tlvdb_free(tlvRoot); + return 4; } - - if (buflen != tlvLength) { - PrintAndLog("Load params: data [%d] length of HEX must(%d) be identical to length in TLV param(%d)", i + 1, buflen, tlvLength); - json_decref(root); - return false; + } else { + if (paramsLoadFromFile) { + PrintAndLog("WARNING: don't need to load parameters. Sending plain DDOL data..."); } - - tlvdb_change_or_add_node(tlv, tag, tlvLength, (const unsigned char *)buf); + ddol_data_tlv = &data_tlv; } + + PrintAndLog("DDOL data[%d]: %s", ddol_data_tlv->len, sprint_hex(ddol_data_tlv->value, ddol_data_tlv->len)); + + // exec + uint8_t buf[APDU_RES_LEN] = {0}; + size_t len = 0; + uint16_t sw = 0; + int res = EMVInternalAuthenticate(leaveSignalON, data, datalen, buf, sizeof(buf), &len, &sw, NULL); + + if (ddol_data_tlv != &data_tlv) + free(ddol_data_tlv); + tlvdb_free(tlvRoot); + + if (sw) + PrintAndLog("APDU response status: %04x - %s", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff)); - json_decref(root); + if (res) + return res; + + if (decodeTLV) + TLVPrintFromBuffer(buf, len); - return true; + return 0; } -void ParamLoadDefaults(struct tlvdb *tlvRoot) { - //9F02:(Amount, authorized (Numeric)) len:6 - TLV_ADD(0x9F02, "\x00\x00\x00\x00\x01\x00"); - //9F1A:(Terminal Country Code) len:2 - TLV_ADD(0x9F1A, "ru"); - //5F2A:(Transaction Currency Code) len:2 - // USD 840, EUR 978, RUR 810, RUB 643, RUR 810(old), UAH 980, AZN 031, n/a 999 - TLV_ADD(0x5F2A, "\x09\x80"); - //9A:(Transaction Date) len:3 - TLV_ADD(0x9A, "\x00\x00\x00"); - //9C:(Transaction Type) len:1 | 00 => Goods and service #01 => Cash - TLV_ADD(0x9C, "\x00"); - // 9F37 Unpredictable Number len:4 - TLV_ADD(0x9F37, "\x01\x02\x03\x04"); - // 9F6A Unpredictable Number (MSD for UDOL) len:4 - TLV_ADD(0x9F6A, "\x01\x02\x03\x04"); +#define dreturn(n) {free(pdol_data_tlv);tlvdb_free(tlvSelect);tlvdb_free(tlvRoot);DropField();return n;} + +void InitTransactionParameters(struct tlvdb *tlvRoot, bool paramLoadJSON, enum TransactionType TrType, bool GenACGPO) { + + ParamLoadDefaults(tlvRoot); + + if (paramLoadJSON) { + PrintAndLog("* * Transaction parameters loading from JSON..."); + ParamLoadFromJson(tlvRoot); + } + //9F66:(Terminal Transaction Qualifiers (TTQ)) len:4 - TLV_ADD(0x9F66, "\x26\x00\x00\x00"); // qVSDC + char *qVSDC = "\x26\x00\x00\x00"; + if (GenACGPO) { + qVSDC = "\x26\x80\x00\x00"; + } + switch(TrType) { + case TT_MSD: + TLV_ADD(0x9F66, "\x86\x00\x00\x00"); // MSD + break; + // not standard for contactless. just for test. + case TT_VSDC: + TLV_ADD(0x9F66, "\x46\x00\x00\x00"); // VSDC + break; + case TT_QVSDCMCHIP: + TLV_ADD(0x9F66, qVSDC); // qVSDC + break; + case TT_CDA: + TLV_ADD(0x9F66, qVSDC); // qVSDC (VISA CDA not enabled) + break; + default: + break; + } } -int CmdHFEMVExec(const char *cmd) { - bool activateField = false; - bool showAPDU = false; - bool decodeTLV = false; - bool forceSearch = false; - enum TransactionType TrType = TT_MSD; - bool GenACGPO = false; - bool paramLoadJSON = false; +void ProcessGPOResponseFormat1(struct tlvdb *tlvRoot, uint8_t *buf, size_t len, bool decodeTLV) { + if (buf[0] == 0x80) { + if (decodeTLV){ + PrintAndLog("GPO response format1:"); + TLVPrintFromBuffer(buf, len); + } + + if (len < 4 || (len - 4) % 4) { + PrintAndLog("ERROR: GPO response format1 parsing error. length=%d", len); + } else { + // AIP + struct tlvdb * f1AIP = tlvdb_fixed(0x82, 2, buf + 2); + tlvdb_add(tlvRoot, f1AIP); + if (decodeTLV){ + PrintAndLog("\n* * Decode response format 1 (0x80) AIP and AFL:"); + TLVPrintFromTLV(f1AIP); + } + + // AFL + struct tlvdb * f1AFL = tlvdb_fixed(0x94, len - 4, buf + 2 + 2); + tlvdb_add(tlvRoot, f1AFL); + if (decodeTLV) + TLVPrintFromTLV(f1AFL); + } + } else { + if (decodeTLV) + TLVPrintFromBuffer(buf, len); + } +} +int CmdHFEMVExec(const char *cmd) { uint8_t buf[APDU_RES_LEN] = {0}; size_t len = 0; uint16_t sw = 0; @@ -474,63 +644,45 @@ int CmdHFEMVExec(const char *cmd) { struct tlvdb *tlvRoot = NULL; struct tlv *pdol_data_tlv = NULL; - if (strlen(cmd) < 1) { - UsageCmdHFEMVExec(); - return 0; - } + CLIParserInit("hf emv exec", + "Executes EMV contactless transaction", + "Usage:\n\thf emv exec -sat -> select card, execute MSD transaction, show APDU and TLV\n" + "\thf emv exec -satc -> select card, execute CDA transaction, show APDU and TLV\n"); + + void* argtable[] = { + arg_param_begin, + arg_lit0("sS", "select", "activate field and select card."), + arg_lit0("aA", "apdu", "show APDU reqests and responses."), + arg_lit0("tT", "tlv", "TLV decode results."), + arg_lit0("jJ", "jload", "Load transaction parameters from `emv/defparams.json` file."), + arg_lit0("fF", "forceaid", "Force search AID. Search AID instead of execute PPSE."), + arg_rem("By default:", "Transaction type - MSD"), + arg_lit0("vV", "qvsdc", "Transaction type - qVSDC or M/Chip."), + arg_lit0("cC", "qvsdccda", "Transaction type - qVSDC or M/Chip plus CDA (SDAD generation)."), + arg_lit0("xX", "vsdc", "Transaction type - VSDC. For test only. Not a standart behavior."), + arg_lit0("gG", "acgpo", "VISA. generate AC from GPO."), + arg_param_end + }; + CLIExecWithReturn(cmd, argtable, true); - int cmdp = 0; - while(param_getchar(cmd, cmdp) != 0x00) { - char c = param_getchar(cmd, cmdp); - if ((c == '-') && (param_getlength(cmd, cmdp) == 2)) - switch (param_getchar_indx(cmd, 1, cmdp)) { - case 'h': - case 'H': - UsageCmdHFEMVExec(); - return 0; - case 's': - case 'S': - activateField = true; - break; - case 'a': - case 'A': - showAPDU = true; - break; - case 't': - case 'T': - decodeTLV = true; - break; - case 'f': - case 'F': - forceSearch = true; - break; - case 'x': - case 'X': - TrType = TT_VSDC; - break; - case 'v': - case 'V': - TrType = TT_QVSDCMCHIP; - break; - case 'c': - case 'C': - TrType = TT_CDA; - break; - case 'g': - case 'G': - GenACGPO = true; - break; - case 'j': - case 'J': - paramLoadJSON = true; - break; - default: - PrintAndLog("Unknown parameter '%c'", param_getchar_indx(cmd, 1, cmdp)); - return 1; - } - cmdp++; - } + bool activateField = arg_get_lit(1); + bool showAPDU = arg_get_lit(2); + bool decodeTLV = arg_get_lit(3); + bool paramLoadJSON = arg_get_lit(4); + bool forceSearch = arg_get_lit(5); + enum TransactionType TrType = TT_MSD; + if (arg_get_lit(6)) + TrType = TT_QVSDCMCHIP; + if (arg_get_lit(7)) + TrType = TT_CDA; + if (arg_get_lit(8)) + TrType = TT_VSDC; + + bool GenACGPO = arg_get_lit(9); + CLIParserFree(); + + SetAPDULogging(showAPDU); // init applets list tree const char *al = "Applets list"; @@ -589,37 +741,7 @@ int CmdHFEMVExec(const char *cmd) { PrintAndLog("* Selected."); PrintAndLog("\n* Init transaction parameters."); - - ParamLoadDefaults(tlvRoot); - - if (paramLoadJSON) { - PrintAndLog("* * Transaction parameters loading from JSON..."); - ParamLoadFromJson(tlvRoot); - } - - //9F66:(Terminal Transaction Qualifiers (TTQ)) len:4 - char *qVSDC = "\x26\x00\x00\x00"; - if (GenACGPO) { - qVSDC = "\x26\x80\x00\x00"; - } - switch(TrType) { - case TT_MSD: - TLV_ADD(0x9F66, "\x86\x00\x00\x00"); // MSD - break; - // not standard for contactless. just for test. - case TT_VSDC: - TLV_ADD(0x9F66, "\x46\x00\x00\x00"); // VSDC - break; - case TT_QVSDCMCHIP: - TLV_ADD(0x9F66, qVSDC); // qVSDC - break; - case TT_CDA: - TLV_ADD(0x9F66, qVSDC); // qVSDC (VISA CDA not enabled) - break; - default: - break; - } - + InitTransactionParameters(tlvRoot, paramLoadJSON, TrType, GenACGPO); TLVPrintFromTLV(tlvRoot); // TODO delete!!! PrintAndLog("\n* Calc PDOL."); @@ -649,33 +771,7 @@ int CmdHFEMVExec(const char *cmd) { } // 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); - } - - if (len < 4 || (len - 4) % 4) { - PrintAndLog("ERROR: GPO response format1 parsing error. length=%d", len); - } else { - // AIP - struct tlvdb * f1AIP = tlvdb_fixed(0x82, 2, buf + 2); - tlvdb_add(tlvRoot, f1AIP); - if (decodeTLV){ - PrintAndLog("\n* * Decode response format 1 (0x80) AIP and AFL:"); - TLVPrintFromTLV(f1AIP); - } - - // AFL - struct tlvdb * f1AFL = tlvdb_fixed(0x94, len - 4, buf + 2 + 2); - tlvdb_add(tlvRoot, f1AFL); - if (decodeTLV) - TLVPrintFromTLV(f1AFL); - } - } else { - if (decodeTLV) - TLVPrintFromBuffer(buf, len); - } + ProcessGPOResponseFormat1(tlvRoot, buf, len, decodeTLV); // extract PAN from track2 { @@ -975,26 +1071,328 @@ int CmdHFEMVExec(const char *cmd) { return 0; } -int UsageCmdHFEMVScan(void) { - PrintAndLog("HELP : Scan EMV card and save it contents to a file. \n"); - PrintAndLog(" It executes EMV contactless transaction and saves result to a file which can be used for emulation.\n"); - PrintAndLog("Usage: hf emv scan [-a][-t][-v][-c][-x][-g] \n"); - PrintAndLog(" Options:"); - PrintAndLog(" -a : show APDU reqests and responses\n"); - PrintAndLog(" -t : TLV decode results\n"); - PrintAndLog(" -v : transaction type - qVSDC or M/Chip.\n"); - PrintAndLog(" -c : transaction type - qVSDC or M/Chip plus CDA (SDAD generation).\n"); - PrintAndLog(" -x : transaction type - VSDC. For test only. Not a standart behavior.\n"); - PrintAndLog(" -g : VISA. generate AC from GPO\n"); - PrintAndLog("By default : transaction type - MSD.\n"); - PrintAndLog("Samples:"); - PrintAndLog(" hf emv scan -a -t -> scan MSD transaction mode"); - PrintAndLog(" hf emv scan -a -t -c -> scan CDA transaction mode"); - return 0; -} - int CmdHFEMVScan(const char *cmd) { - UsageCmdHFEMVScan(); + uint8_t AID[APDU_AID_LEN] = {0}; + size_t AIDlen = 0; + uint8_t buf[APDU_RES_LEN] = {0}; + size_t len = 0; + uint16_t sw = 0; + int res; + json_t *root; + json_error_t error; + + CLIParserInit("hf emv scan", + "Scan EMV card and save it contents to a file.", + "It executes EMV contactless transaction and saves result to a file which can be used for emulation\n" + "Usage:\n\thf emv scan -at -> scan MSD transaction mode and show APDU and TLV\n" + "\thf emv scan -c -> scan CDA transaction mode\n"); + + void* argtable[] = { + arg_param_begin, + arg_lit0("aA", "apdu", "show APDU reqests and responses."), + arg_lit0("tT", "tlv", "TLV decode results."), + arg_lit0("eE", "extract", "Extract TLV elements and fill Application Data"), + arg_lit0("jJ", "jload", "Load transaction parameters from `emv/defparams.json` file."), + arg_rem("By default:", "Transaction type - MSD"), + arg_lit0("vV", "qvsdc", "Transaction type - qVSDC or M/Chip."), + arg_lit0("cC", "qvsdccda", "Transaction type - qVSDC or M/Chip plus CDA (SDAD generation)."), + arg_lit0("xX", "vsdc", "Transaction type - VSDC. For test only. Not a standart behavior."), + arg_lit0("gG", "acgpo", "VISA. generate AC from GPO."), + arg_lit0("mM", "merge", "Merge output file with card's data. (warning: the file may be corrupted!)"), + arg_str1(NULL, NULL, "output.json", "JSON output file name"), + arg_param_end + }; + CLIExecWithReturn(cmd, argtable, true); + + bool showAPDU = arg_get_lit(1); + bool decodeTLV = arg_get_lit(2); + bool extractTLVElements = arg_get_lit(3); + bool paramLoadJSON = arg_get_lit(4); + + enum TransactionType TrType = TT_MSD; + if (arg_get_lit(6)) + TrType = TT_QVSDCMCHIP; + if (arg_get_lit(7)) + TrType = TT_CDA; + if (arg_get_lit(8)) + TrType = TT_VSDC; + + bool GenACGPO = arg_get_lit(9); + bool MergeJSON = arg_get_lit(10); + uint8_t relfname[250] ={0}; + char *crelfname = (char *)relfname; + int relfnamelen = 0; + CLIGetStrWithReturn(11, relfname, &relfnamelen); + CLIParserFree(); + + SetAPDULogging(showAPDU); + + // current path + file name + if (!strstr(crelfname, ".json")) + strcat(crelfname, ".json"); + char fname[strlen(get_my_executable_directory()) + strlen(crelfname) + 1]; + strcpy(fname, get_my_executable_directory()); + strcat(fname, crelfname); + + if (MergeJSON) { + root = json_load_file(fname, 0, &error); + if (!root) { + PrintAndLog("ERROR: json error on line %d: %s", error.line, error.text); + return 1; + } + + if (!json_is_object(root)) { + PrintAndLog("ERROR: Invalid json format. root must be an object."); + return 1; + } + } else { + root = json_object(); + } + + // drop field at start + DropField(); + + // iso 14443 select + PrintAndLog("--> GET UID, ATS."); + + iso14a_card_select_t card; + if (Hf14443_4aGetCardData(&card)) { + return 2; + } + + JsonSaveStr(root, "$.File.Created", "proxmark3 `hf emv scan`"); + + JsonSaveStr(root, "$.Card.Communication", "iso14443-4a"); + JsonSaveBufAsHex(root, "$.Card.UID", (uint8_t *)&card.uid, card.uidlen); + JsonSaveHex(root, "$.Card.ATQA", card.atqa[0] + (card.atqa[1] << 2), 2); + JsonSaveHex(root, "$.Card.SAK", card.sak, 0); + JsonSaveBufAsHex(root, "$.Card.ATS", (uint8_t *)card.ats, card.ats_len); + + // init applets list tree + const char *al = "Applets list"; + struct tlvdb *tlvSelect = tlvdb_fixed(1, strlen(al), (const unsigned char *)al); + + // EMV PPSE + PrintAndLog("--> PPSE."); + res = EMVSelectPSE(true, true, 2, buf, sizeof(buf), &len, &sw); + + if (!res && sw == 0x9000){ + if (decodeTLV) + TLVPrintFromBuffer(buf, len); + + JsonSaveBufAsHex(root, "$.PPSE.AID", (uint8_t *)"2PAY.SYS.DDF01", 14); + + struct tlvdb *fci = tlvdb_parse_multi(buf, len); + if (extractTLVElements) + JsonSaveTLVTree(root, root, "$.PPSE.FCITemplate", fci); + else + JsonSaveTLVTreeElm(root, "$.PPSE.FCITemplate", fci, true, true, false); + JsonSaveTLVValue(root, "$.Application.KernelID", tlvdb_find_full(fci, 0x9f2a)); + tlvdb_free(fci); + } + + res = EMVSearchPSE(false, true, decodeTLV, tlvSelect); + + // check PPSE and select application id + if (!res) { + TLVPrintAIDlistFromSelectTLV(tlvSelect); + } else { + // EMV SEARCH with AID list + SetAPDULogging(false); + PrintAndLog("--> AID search."); + if (EMVSearch(false, true, decodeTLV, tlvSelect)) { + PrintAndLog("E->Can't found any of EMV AID. Exit..."); + tlvdb_free(tlvSelect); + DropField(); + return 3; + } + + // check search and select application id + TLVPrintAIDlistFromSelectTLV(tlvSelect); + } + + // EMV SELECT application + SetAPDULogging(showAPDU); + EMVSelectApplication(tlvSelect, AID, &AIDlen); + + tlvdb_free(tlvSelect); + + if (!AIDlen) { + PrintAndLog("Can't select AID. EMV AID not found. Exit..."); + DropField(); + return 4; + } + + JsonSaveBufAsHex(root, "$.Application.AID", AID, AIDlen); + + // Init TLV tree + const char *alr = "Root terminal TLV tree"; + struct tlvdb *tlvRoot = tlvdb_fixed(1, strlen(alr), (const unsigned char *)alr); + + // EMV SELECT applet + + PrintAndLog("\n-->Selecting AID:%s.", sprint_hex_inrow(AID, AIDlen)); + SetAPDULogging(showAPDU); + res = EMVSelect(false, true, AID, AIDlen, buf, sizeof(buf), &len, &sw, tlvRoot); + + if (res) { + PrintAndLog("E->Can't select AID (%d). Exit...", res); + tlvdb_free(tlvRoot); + DropField(); + return 5; + } + + if (decodeTLV) + TLVPrintFromBuffer(buf, len); + + // save mode + if (tlvdb_get(tlvRoot, 0x9f38, NULL)) { + JsonSaveStr(root, "$.Application.Mode", TransactionTypeStr[TrType]); + } + + struct tlvdb *fci = tlvdb_parse_multi(buf, len); + if (extractTLVElements) + JsonSaveTLVTree(root, root, "$.Application.FCITemplate", fci); + else + JsonSaveTLVTreeElm(root, "$.Application.FCITemplate", fci, true, true, false); + tlvdb_free(fci); + + // create transaction parameters + PrintAndLog("-->Init transaction parameters."); + InitTransactionParameters(tlvRoot, paramLoadJSON, TrType, GenACGPO); + + PrintAndLog("-->Calc PDOL."); + struct tlv *pdol_data_tlv = dol_process(tlvdb_get(tlvRoot, 0x9f38, NULL), tlvRoot, 0x83); + if (!pdol_data_tlv){ + PrintAndLog("E->Can't create PDOL TLV."); + tlvdb_free(tlvRoot); + DropField(); + return 6; + } + + size_t pdol_data_tlv_data_len; + unsigned char *pdol_data_tlv_data = tlv_encode(pdol_data_tlv, &pdol_data_tlv_data_len); + if (!pdol_data_tlv_data) { + PrintAndLog("E->Can't create PDOL data."); + tlvdb_free(tlvRoot); + DropField(); + return 6; + } + PrintAndLog("PDOL data[%d]: %s", pdol_data_tlv_data_len, sprint_hex(pdol_data_tlv_data, pdol_data_tlv_data_len)); + + PrintAndLog("-->GPO."); + res = EMVGPO(true, pdol_data_tlv_data, pdol_data_tlv_data_len, buf, sizeof(buf), &len, &sw, tlvRoot); + + free(pdol_data_tlv_data); + free(pdol_data_tlv); + + if (res) { + PrintAndLog("GPO error(%d): %4x. Exit...", res, sw); + tlvdb_free(tlvRoot); + DropField(); + return 7; + } + ProcessGPOResponseFormat1(tlvRoot, buf, len, decodeTLV); + + struct tlvdb *gpofci = tlvdb_parse_multi(buf, len); + if (extractTLVElements) + JsonSaveTLVTree(root, root, "$.Application.GPO", gpofci); + else + JsonSaveTLVTreeElm(root, "$.Application.GPO", gpofci, true, true, false); + + JsonSaveTLVValue(root, "$.ApplicationData.AIP", tlvdb_find_full(gpofci, 0x82)); + JsonSaveTLVValue(root, "$.ApplicationData.AFL", tlvdb_find_full(gpofci, 0x94)); + + tlvdb_free(gpofci); + + PrintAndLog("-->Read records from AFL."); + const struct tlv *AFL = tlvdb_get(tlvRoot, 0x94, NULL); + + while(AFL && AFL->len) { + if (AFL->len % 4) { + PrintAndLog("E->Wrong AFL length: %d", AFL->len); + break; + } + + json_t *sfijson = json_path_get(root, "$.Application.Records"); + if (!sfijson) { + json_t *app = json_path_get(root, "$.Application"); + json_object_set_new(app, "Records", json_array()); + + sfijson = json_path_get(root, "$.Application.Records"); + } + if (!json_is_array(sfijson)) { + PrintAndLog("E->Internal logic error. `$.Application.Records` is not an array."); + 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("E->SFI[%02x]. APDU error %4x", SFI, sw); + continue; + } + + if (decodeTLV) { + TLVPrintFromBuffer(buf, len); + PrintAndLog(""); + } + + json_t *jsonelm = json_object(); + json_array_append_new(sfijson, jsonelm); + + JsonSaveHex(jsonelm, "SFI", SFI, 1); + JsonSaveHex(jsonelm, "RecordNum", n, 1); + JsonSaveHex(jsonelm, "Offline", SFIoffline, 1); + + struct tlvdb *rsfi = tlvdb_parse_multi(buf, len); + if (extractTLVElements) + JsonSaveTLVTree(root, jsonelm, "$.Data", rsfi); + else + JsonSaveTLVTreeElm(jsonelm, "$.Data", rsfi, true, true, false); + tlvdb_free(rsfi); + } + } + + break; + } + + // getting certificates + if (tlvdb_get(tlvRoot, 0x90, NULL)) { + PrintAndLog("-->Recovering certificates."); + PKISetStrictExecution(false); + RecoveryCertificates(tlvRoot, root); + PKISetStrictExecution(true); + } + + // free tlv object + tlvdb_free(tlvRoot); + + // DropField + DropField(); + + res = json_dump_file(root, fname, JSON_INDENT(2)); + if (res) { + PrintAndLog("ERROR: can't save the file: %s", fname); + return 200; + } + PrintAndLog("File `%s` saved.", fname); + + // free json object + json_decref(root); return 0; } @@ -1005,13 +1403,18 @@ int CmdHFEMVTest(const char *cmd) { 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."}, -// {"scan", CmdHFEMVScan, 0, "Scan EMV card and save it contents to json file for emulator."}, - {"test", CmdHFEMVTest, 0, "Crypto logic test."}, + {"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."}, + {"gpo", CmdHFEMVGPO, 0, "Execute GetProcessingOptions."}, + {"readrec", CmdHFEMVReadRecord, 0, "Read files from card."}, + {"genac", CmdHFEMVAC, 0, "Generate ApplicationCryptogram."}, + {"challenge", CmdHFEMVGenerateChallenge, 0, "Generate challenge."}, + {"intauth", CmdHFEMVInternalAuthenticate, 0, "Internal authentication."}, + {"scan", CmdHFEMVScan, 0, "Scan EMV card and save it contents to json file for emulator."}, + {"test", CmdHFEMVTest, 0, "Crypto logic test."}, {NULL, NULL, 0, NULL} };