#include "cliparser/cliparser.h"
#include <jansson.h>
+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;
+ }
+
+ if (buflen > maxbufferlen) {
+ PrintAndLog("%s HEX length (%d) more than %d", errormsg, *bufferlen, maxbufferlen);
+ return false;
+ }
+
+ *bufferlen = buflen;
+
+ return true;
+}
+
#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(0x9F66, "\x26\x00\x00\x00"); // qVSDC
}
+bool ParamLoadFromJson(struct tlvdb *tlv) {
+ json_t *root;
+ json_error_t error;
+
+ if (!tlv) {
+ PrintAndLog("ERROR load params: tlv tree is NULL.");
+ return false;
+ }
+
+ // 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);
+
+ root = json_load_file(fname, 0, &error);
+ if (!root) {
+ PrintAndLog("Load params: json error on line %d: %s", error.line, error.text);
+ return false;
+ }
+
+ if (!json_is_array(root)) {
+ PrintAndLog("Load params: Invalid json format. root must be array.");
+ return false;
+ }
+
+ PrintAndLog("Load params: json OK");
+
+ for(int i = 0; i < json_array_size(root); i++) {
+ json_t *data, *jtype, *jlength, *jvalue;
+
+ 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;
+ }
+
+ 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;
+ }
+
+ 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;
+ }
+ tlv_tag_t tag = 0;
+ for (int i = 0; i < buflen; i++) {
+ tag = (tag << 8) + buf[i];
+ }
+
+ if (!HexToBuffer("TLV Error value:", tlvValue, buf, sizeof(buf) - 1, &buflen)) {
+ json_decref(root);
+ return false;
+ }
+
+ 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;
+ }
+
+ tlvdb_change_or_add_node(tlv, tag, tlvLength, (const unsigned char *)buf);
+ }
+
+ json_decref(root);
+
+ return true;
+}
+
int CmdHFEMVSelect(const char *cmd) {
uint8_t data[APDU_AID_LEN] = {0};
int datalen = 0;
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");
- // here need to add load params from file and gen pdol
+ "\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 for PDOL making from `emv/defparams.json` file (by default uses default parameters) (NOT WORK!!!)"),
- arg_lit0("mM", "make", "make PDOLdata from PDOL (tag 9F38) and parameters (NOT WORK!!!)"),
+ 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, "<HEX PDOLdata/PDOL>", NULL),
.value = (uint8_t *)data,
};
if (dataMakeFromPDOL) {
- // TODO
- PrintAndLog("Make PDOL data not implemented!");
-
ParamLoadDefaults(tlvRoot);
if (paramsLoadFromFile) {
+ PrintAndLog("Params loading from file...");
+ ParamLoadFromJson(tlvRoot);
};
-/* pdol_data_tlv = dol_process(tlvdb_get(tlvRoot, 0x9f38, NULL), tlvRoot, 0x83);
+
+ 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;
- }*/
- return 0;
+ }
} else {
+ if (paramsLoadFromFile) {
+ PrintAndLog("WARNING: don't need to load parameters. Sending plain PDOL data...");
+ }
pdol_data_tlv = &data_tlv;
}
uint16_t sw = 0;
int res = EMVGPO(leaveSignalON, pdol_data_tlv_data, pdol_data_tlv_data_len, buf, sizeof(buf), &len, &sw, tlvRoot);
- free(pdol_data_tlv_data);
+ if (pdol_data_tlv != &data_tlv)
+ free(pdol_data_tlv);
tlvdb_free(tlvRoot);
if (sw)
"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 -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", "<aac|tc|arqc>", "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, "<HEX CDOLdata>", NULL),
+ arg_strx1(NULL, NULL, "<HEX CDOLdata/CDOL>", NULL),
arg_param_end
};
CLIExecWithReturn(cmd, argtable, false);
}
if (trTypeCDA)
termDecision = termDecision | EMVAC_CDAREQ;
- bool APDULogging = arg_get_lit(4);
- bool decodeTLV = arg_get_lit(5);
- CLIGetStrWithReturn(6, data, &datalen);
+ bool paramsLoadFromFile = arg_get_lit(4);
+ bool dataMakeFromCDOL = arg_get_lit(5);
+ bool APDULogging = arg_get_lit(6);
+ bool decodeTLV = arg_get_lit(7);
+ CLIGetStrWithReturn(8, data, &datalen);
CLIParserFree();
SetAPDULogging(APDULogging);
// calc CDOL
struct tlv *cdol_data_tlv = NULL;
-// struct tlv *cdol_data_tlv = dol_process(tlvdb_get(tlvRoot, 0x8c, NULL), tlvRoot, 0x01); // 0x01 - dummy tag
struct tlv data_tlv = {
.tag = 0x01,
.len = datalen,
.value = (uint8_t *)data,
- };
- cdol_data_tlv = &data_tlv;
- PrintAndLog("CDOL data[%d]: %s", cdol_data_tlv->len, sprint_hex(cdol_data_tlv->value, cdol_data_tlv->len));
+ };
+ if (dataMakeFromCDOL) {
+ ParamLoadDefaults(tlvRoot);
+
+ if (paramsLoadFromFile) {
+ PrintAndLog("Params loading from file...");
+ ParamLoadFromJson(tlvRoot);
+ };
+
+ 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;
+ }
+ } else {
+ if (paramsLoadFromFile) {
+ PrintAndLog("WARNING: don't need to load parameters. Sending plain CDOL data...");
+ }
+ 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);
-// free(cdol_data_tlv);
+ if (cdol_data_tlv != &data_tlv)
+ free(cdol_data_tlv);
tlvdb_free(tlvRoot);
if (sw)
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 -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, "<HEX DDOLdata>", NULL),
+ arg_strx1(NULL, NULL, "<HEX DDOLdata/DDOL>", NULL),
arg_param_end
};
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 paramsLoadFromFile = arg_get_lit(2);
+ bool dataMakeFromDDOL = arg_get_lit(3);
+ bool APDULogging = arg_get_lit(4);
+ bool decodeTLV = arg_get_lit(5);
+ CLIGetStrWithReturn(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);
+ };
+
+ 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;
+ }
+ } else {
+ if (paramsLoadFromFile) {
+ PrintAndLog("WARNING: don't need to load parameters. Sending plain DDOL data...");
+ }
+ ddol_data_tlv = &data_tlv;
+ }
- // DDOL
- PrintAndLog("DDOL data[%d]: %s", datalen, sprint_hex(data, datalen));
+ 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};
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));
#define dreturn(n) {free(pdol_data_tlv);tlvdb_free(tlvSelect);tlvdb_free(tlvRoot);DropField();return n;}
-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;
- }
-
- if (buflen > maxbufferlen) {
- PrintAndLog("%s HEX length (%d) more than %d", errormsg, *bufferlen, maxbufferlen);
- return false;
- }
-
- *bufferlen = buflen;
-
- return true;
-}
-
-bool ParamLoadFromJson(struct tlvdb *tlv) {
- json_t *root;
- json_error_t error;
-
- if (!tlv) {
- PrintAndLog("ERROR load params: tlv tree is NULL.");
- return false;
- }
-
- // 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);
-
- root = json_load_file(fname, 0, &error);
- if (!root) {
- PrintAndLog("Load params: json error on line %d: %s", error.line, error.text);
- return false;
- }
-
- if (!json_is_array(root)) {
- PrintAndLog("Load params: Invalid json format. root must be array.");
- return false;
- }
-
- PrintAndLog("Load params: json OK");
-
- for(int i = 0; i < json_array_size(root); i++) {
- json_t *data, *jtype, *jlength, *jvalue;
-
- 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;
- }
-
- 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;
- }
-
- 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;
- }
- tlv_tag_t tag = 0;
- for (int i = 0; i < buflen; i++) {
- tag = (tag << 8) + buf[i];
- }
-
- if (!HexToBuffer("TLV Error value:", tlvValue, buf, sizeof(buf) - 1, &buflen)) {
- json_decref(root);
- return false;
- }
-
- 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;
- }
-
- tlvdb_change_or_add_node(tlv, tag, tlvLength, (const unsigned char *)buf);
- }
-
- json_decref(root);
-
- return true;
-}
-
int CmdHFEMVExec(const char *cmd) {
uint8_t buf[APDU_RES_LEN] = {0};
size_t len = 0;