[proxmark3-svn] / client / cmdhfemv.c

//-----------------------------------------------------------------------------
// Copyright (C) 2014 Peter Fillmore
// 2017 iceman
//
// 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
// the license.
//-----------------------------------------------------------------------------
// High frequency EMV commands
//-----------------------------------------------------------------------------
#include "cmdhfemv.h"

static int CmdHelp(const char *Cmd);

int usage_hf_emv_trans(void){
	PrintAndLog("perform an EMV transaction");
	PrintAndLog("Usage:  hf emv trans [h]");
	PrintAndLog("Options:");
	PrintAndLog("      h             : this help");
	PrintAndLog("");
	PrintAndLog("Samples:");
	PrintAndLog("      hf emv trans");
	return 0;
}
int usage_hf_emv_getrnd(void){
	PrintAndLog("retrieve the UN number from a terminal");
	PrintAndLog("Usage:  hf emv getrnd [h]");
	PrintAndLog("Options:");
	PrintAndLog("      h             : this help");
	PrintAndLog("");
	PrintAndLog("Samples:");
	PrintAndLog("      hf emv getrnd");
	return 0;
}
int usage_hf_emv_eload(void){
	PrintAndLog("set EMV tags in the device to use in a transaction");
	PrintAndLog("Usage:  hf emv eload [h] o <filename w/o .bin>");
	PrintAndLog("Options:");
	PrintAndLog("      h             : this help");
	PrintAndLog("      o <filename>  : filename w/o '.bin'");
	PrintAndLog("");
	PrintAndLog("Samples:");
	PrintAndLog("      hf emv eload o myfile");
	return 0;
}
int usage_hf_emv_sim(void){
	PrintAndLog("Simulates a EMV contactless card");
	PrintAndLog("Usage:  hf emv sim [h]");
	PrintAndLog("Options:");
	PrintAndLog("      h             : this help");
	PrintAndLog("");
	PrintAndLog("Samples:");
	PrintAndLog("      hf emv sim");
	return 0;
}
int usage_hf_emv_dump(void){
	PrintAndLog("Gets EMV contactless tag values.");
	PrintAndLog("and saves binary dump into the file `filename.bin` or `cardUID.bin`");
	PrintAndLog("Usage:  hf emv dump [h] o <filename w/o .bin>");
	PrintAndLog("Options:");
	PrintAndLog("      h             : this help");
	PrintAndLog("      o <filename>  : filename w/o '.bin' to dump bytes");
	PrintAndLog("");
	PrintAndLog("Samples:");
	PrintAndLog("      hf emv dump");
	PrintAndLog("      hf emv dump o myfile");
	return 0;
}

//perform an EMV transaction
int CmdHfEmvTrans(const char *Cmd) {
	char cmdp = param_getchar(Cmd, 0);		
	if ( cmdp == 'h' || cmdp == 'H') return usage_hf_emv_trans();
    UsbCommand c = {CMD_EMV_TRANSACTION, {0, 0, 0}};
	clearCommandBuffer();
    SendCommand(&c);
    return 0;
}
//retrieve the UN number from a terminal
int CmdHfEmvGetrng(const char *Cmd) {
	char cmdp = param_getchar(Cmd, 0);		
	if ( cmdp == 'h' || cmdp == 'H') return usage_hf_emv_getrnd();
    UsbCommand c = {CMD_EMV_GET_RANDOM_NUM, {0, 0, 0}};
	clearCommandBuffer();
    SendCommand(&c);
    return 0;
}

//set EMV tags in the device to use in a transaction
int CmdHfEmvELoad(const char *Cmd) {
	FILE * f;
	char filename[FILE_PATH_SIZE];
	char *fnameptr = filename;
	int len;
	bool errors = false;
	uint8_t cmdp = 0;

	while(param_getchar(Cmd, cmdp) != 0x00) {
		switch(param_getchar(Cmd, cmdp)) {
			case 'h':
			case 'H':
				return usage_hf_emv_eload();
			case 'o':
			case 'O':
				len = param_getstr(Cmd, cmdp+1, filename);
				if (!len) 
					errors = true; 
				if (len > FILE_PATH_SIZE-5) 
					len = FILE_PATH_SIZE-5;				
				sprintf(fnameptr + len,".bin");		
				cmdp += 2;
				break;				
			default:
				PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
				errors = true;
				break;
		}
		if(errors) break;
	}

	//Validations
	if(errors) return usage_hf_emv_eload();

	// open file
	f = fopen(filename,"r");
	if (!f) { 
		PrintAndLog("File %s not found or locked", filename);
		return 1;
	}
	
    char line[512];
    char *token;    
    uint16_t tag;
	
    UsbCommand c = {CMD_EMV_LOAD_VALUE, {0,0,0}};  
	
	// transfer to device
    while (fgets(line, sizeof (line), f)) {
        printf("LINE = %s\n", line);
		
        token = strtok(line, ":"); 
        tag = (uint16_t)strtol(token, NULL, 0);  
        token = strtok(NULL,""); 
		
        c.arg[0] = tag;
        memcpy(c.d.asBytes, token, strlen(token));

		clearCommandBuffer();
        SendCommand(&c);

        printf("Loaded TAG   = %04x\n", tag);
        printf("Loaded VALUE = %s\n", token); 
    }
	
	fclose(f);
	PrintAndLog("loaded %s", filename);
	//PrintAndLog("\nLoaded %d bytes from file: %s  to emulator memory", numofbytes, filename);
	return 0;
}

int CmdHfEmvDump(const char *Cmd){

	bool errors = false;
	uint8_t cmdp = 0;

	while(param_getchar(Cmd, cmdp) != 0x00) {
		switch(param_getchar(Cmd, cmdp)) {
			case 'h':
			case 'H':
				return usage_hf_emv_dump();
			default:
				PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
				errors = true;
				break;
		}
		if(errors) break;
	}

	//Validations
	if(errors) return usage_hf_emv_dump();
	
    UsbCommand c = {CMD_EMV_DUMP_CARD, {0, 0, 0}};
	clearCommandBuffer();
    SendCommand(&c);
	UsbCommand resp;
	if (!WaitForResponseTimeout(CMD_ACK, &resp, 3000)) {
		PrintAndLog("Command execute time-out");
		return 1;
	}
	return 0;
}	


/*
int CmdHfEmvSim(const char *Cmd) {
	
	bool errors = false;	
	uint8_t cmdp = 0;
	
	while(param_getchar(Cmd, cmdp) != 0x00) {
		switch(param_getchar(Cmd, cmdp)) {
			case 'h':
			case 'H':
				return usage_hf_emv_sim();
			default:
				PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
				errors = true;
				break;
		}
		if(errors) break;
	}

	//Validations
	if(errors) return usage_hf_emv_sim();	
	
	UsbCommand c = {CMD_SIMULATE_TAG_LEGIC_RF, {6,3,0}};
	sscanf(Cmd, " %" SCNi64 " %" SCNi64 " %" SCNi64 , &c.arg[0], &c.arg[1], &c.arg[2]);
	clearCommandBuffer();
	SendCommand(&c);
	return 0;
}
*/

int CmdHfEmvList(const char *Cmd) {
	CmdHFList("7816");
	return 0;
}

static command_t CommandTable[] =  {
	{"help",	CmdHelp,			1, "This help"},
	{"trans",	CmdHfEmvTrans,		0, "Perform EMV Reader Transaction"},
	{"getrng",	CmdHfEmvGetrng,		0, "get random number from terminal"}, 
	{"eload",	CmdHfEmvELoad, 		0, "load EMV tag into device"},
	{"dump",	CmdHfEmvDump,		0, "Dump EMV tag values"},
//	{"sim",		CmdHfEmvSim,		0, "Start tag simulator"},
	{"list",	CmdHfEmvList,		1, "[Deprecated] List ISO7816 history"},
	{NULL, NULL, 0, NULL}
};

int CmdHFEmv(const char *Cmd) {
	clearCommandBuffer();
	CmdsParse(CommandTable, Cmd);
	return 0;
}

int CmdHelp(const char *Cmd) {
	CmdsHelp(CommandTable);
	return 0;
}
Commit	Line	Data
6a1687cc	1	//-----------------------------------------------------------------------------
	2	// Copyright (C) 2014 Peter Fillmore
	3	// 2017 iceman
	4	//
	5	// This code is licensed to you under the terms of the GNU GPL, version 2 or,
	6	// at your option, any later version. See the LICENSE.txt file for the text of
	7	// the license.
	8	//-----------------------------------------------------------------------------
	9	// High frequency EMV commands
	10	//-----------------------------------------------------------------------------
	11	#include "cmdhfemv.h"
	12
	13	static int CmdHelp(const char *Cmd);
	14
	15	int usage_hf_emv_trans(void){
	16	PrintAndLog("perform an EMV transaction");
	17	PrintAndLog("Usage: hf emv trans [h]");
	18	PrintAndLog("Options:");
	19	PrintAndLog(" h : this help");
	20	PrintAndLog("");
	21	PrintAndLog("Samples:");
	22	PrintAndLog(" hf emv trans");
	23	return 0;
	24	}
	25	int usage_hf_emv_getrnd(void){
	26	PrintAndLog("retrieve the UN number from a terminal");
	27	PrintAndLog("Usage: hf emv getrnd [h]");
	28	PrintAndLog("Options:");
	29	PrintAndLog(" h : this help");
	30	PrintAndLog("");
	31	PrintAndLog("Samples:");
	32	PrintAndLog(" hf emv getrnd");
	33	return 0;
	34	}
	35	int usage_hf_emv_eload(void){
	36	PrintAndLog("set EMV tags in the device to use in a transaction");
	37	PrintAndLog("Usage: hf emv eload [h] o <filename w/o .bin>");
	38	PrintAndLog("Options:");
	39	PrintAndLog(" h : this help");
	40	PrintAndLog(" o <filename> : filename w/o '.bin'");
	41	PrintAndLog("");
	42	PrintAndLog("Samples:");
	43	PrintAndLog(" hf emv eload o myfile");
	44	return 0;
	45	}
	46	int usage_hf_emv_sim(void){
	47	PrintAndLog("Simulates a EMV contactless card");
	48	PrintAndLog("Usage: hf emv sim [h]");
	49	PrintAndLog("Options:");
	50	PrintAndLog(" h : this help");
	51	PrintAndLog("");
	52	PrintAndLog("Samples:");
	53	PrintAndLog(" hf emv sim");
	54	return 0;
	55	}
	56	int usage_hf_emv_dump(void){
	57	PrintAndLog("Gets EMV contactless tag values.");
	58	PrintAndLog("and saves binary dump into the file `filename.bin` or `cardUID.bin`");
	59	PrintAndLog("Usage: hf emv dump [h] o <filename w/o .bin>");
	60	PrintAndLog("Options:");
	61	PrintAndLog(" h : this help");
	62	PrintAndLog(" o <filename> : filename w/o '.bin' to dump bytes");
	63	PrintAndLog("");
	64	PrintAndLog("Samples:");
65	PrintAndLog(" hf emv dump");
66	PrintAndLog(" hf emv dump o myfile");
67	return 0;
68	}
69
70	//perform an EMV transaction
71	int CmdHfEmvTrans(const char *Cmd) {
72	char cmdp = param_getchar(Cmd, 0);
73	if ( cmdp == 'h' \|\| cmdp == 'H') return usage_hf_emv_trans();
74	UsbCommand c = {CMD_EMV_TRANSACTION, {0, 0, 0}};
75	clearCommandBuffer();
76	SendCommand(&c);
77	return 0;
78	}
79	//retrieve the UN number from a terminal
80	int CmdHfEmvGetrng(const char *Cmd) {
81	char cmdp = param_getchar(Cmd, 0);
82	if ( cmdp == 'h' \|\| cmdp == 'H') return usage_hf_emv_getrnd();
83	UsbCommand c = {CMD_EMV_GET_RANDOM_NUM, {0, 0, 0}};
84	clearCommandBuffer();
85	SendCommand(&c);
86	return 0;
87	}
88
89	//set EMV tags in the device to use in a transaction
90	int CmdHfEmvELoad(const char *Cmd) {
91	FILE * f;
92	char filename[FILE_PATH_SIZE];
93	char *fnameptr = filename;
94	int len;
95	bool errors = false;
96	uint8_t cmdp = 0;
97
98	while(param_getchar(Cmd, cmdp) != 0x00) {
99	switch(param_getchar(Cmd, cmdp)) {
100	case 'h':
101	case 'H':
102	return usage_hf_emv_eload();
103	case 'o':
104	case 'O':
105	len = param_getstr(Cmd, cmdp+1, filename);
106	if (!len)
107	errors = true;
108	if (len > FILE_PATH_SIZE-5)
109	len = FILE_PATH_SIZE-5;
110	sprintf(fnameptr + len,".bin");
111	cmdp += 2;
112	break;
113	default:
114	PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
115	errors = true;
116	break;
117	}
118	if(errors) break;
119	}
120
121	//Validations
122	if(errors) return usage_hf_emv_eload();
123
124	// open file
125	f = fopen(filename,"r");
126	if (!f) {
127	PrintAndLog("File %s not found or locked", filename);
128	return 1;
129	}
130
131	char line[512];
132	char *token;
133	uint16_t tag;
134
135	UsbCommand c = {CMD_EMV_LOAD_VALUE, {0,0,0}};
136
137	// transfer to device
138	while (fgets(line, sizeof (line), f)) {
139	printf("LINE = %s\n", line);
140
141	token = strtok(line, ":");
142	tag = (uint16_t)strtol(token, NULL, 0);
143	token = strtok(NULL,"");
144
145	c.arg[0] = tag;
146	memcpy(c.d.asBytes, token, strlen(token));
147
148	clearCommandBuffer();
149	SendCommand(&c);
150
151	printf("Loaded TAG = %04x\n", tag);
152	printf("Loaded VALUE = %s\n", token);
153	}
154
155	fclose(f);
156	PrintAndLog("loaded %s", filename);
157	//PrintAndLog("\nLoaded %d bytes from file: %s to emulator memory", numofbytes, filename);
158	return 0;
159	}
160
161	int CmdHfEmvDump(const char *Cmd){
162
163	bool errors = false;
164	uint8_t cmdp = 0;
165
166	while(param_getchar(Cmd, cmdp) != 0x00) {
167	switch(param_getchar(Cmd, cmdp)) {
168	case 'h':
169	case 'H':
170	return usage_hf_emv_dump();
171	default:
172	PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
173	errors = true;
174	break;
175	}
176	if(errors) break;
177	}
178
179	//Validations
180	if(errors) return usage_hf_emv_dump();
181
182	UsbCommand c = {CMD_EMV_DUMP_CARD, {0, 0, 0}};
183	clearCommandBuffer();
184	SendCommand(&c);
185	UsbCommand resp;
186	if (!WaitForResponseTimeout(CMD_ACK, &resp, 3000)) {
187	PrintAndLog("Command execute time-out");
188	return 1;
189	}
190	return 0;
191	}
192
193
194	/*
195	int CmdHfEmvSim(const char *Cmd) {
196
197	bool errors = false;
198	uint8_t cmdp = 0;
199
200	while(param_getchar(Cmd, cmdp) != 0x00) {
201	switch(param_getchar(Cmd, cmdp)) {
202	case 'h':
203	case 'H':
204	return usage_hf_emv_sim();
205	default:
206	PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
207	errors = true;
208	break;
209	}
210	if(errors) break;
211	}
212
213	//Validations
214	if(errors) return usage_hf_emv_sim();
215
216	UsbCommand c = {CMD_SIMULATE_TAG_LEGIC_RF, {6,3,0}};
9c624f67	217	sscanf(Cmd, " %" SCNi64 " %" SCNi64 " %" SCNi64 , &c.arg[0], &c.arg[1], &c.arg[2]);
6a1687cc	218	clearCommandBuffer();
	219	SendCommand(&c);
	220	return 0;
	221	}
	222	*/
	223
	224	int CmdHfEmvList(const char *Cmd) {
	225	CmdHFList("7816");
	226	return 0;
	227	}
	228
	229	static command_t CommandTable[] = {
	230	{"help", CmdHelp, 1, "This help"},
	231	{"trans", CmdHfEmvTrans, 0, "Perform EMV Reader Transaction"},
	232	{"getrng", CmdHfEmvGetrng, 0, "get random number from terminal"},
	233	{"eload", CmdHfEmvELoad, 0, "load EMV tag into device"},
	234	{"dump", CmdHfEmvDump, 0, "Dump EMV tag values"},
	235	// {"sim", CmdHfEmvSim, 0, "Start tag simulator"},
	236	{"list", CmdHfEmvList, 1, "[Deprecated] List ISO7816 history"},
	237	{NULL, NULL, 0, NULL}
	238	};
	239
	240	int CmdHFEmv(const char *Cmd) {
	241	clearCommandBuffer();
	242	CmdsParse(CommandTable, Cmd);
	243	return 0;
	244	}
	245
	246	int CmdHelp(const char *Cmd) {
	247	CmdsHelp(CommandTable);
	248	return 0;
	249	}