X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/71cb7328e3f65b7245ab8d38c6f9351d28f46658..220d638d926dfa239e136c470a853f612b5ee1d1:/client/cmdlfpyramid.c?ds=inline

diff --git a/client/cmdlfpyramid.c b/client/cmdlfpyramid.c
index 23c44059..3e94ce44 100644
--- a/client/cmdlfpyramid.c
+++ b/client/cmdlfpyramid.c
@@ -12,7 +12,7 @@
 static int CmdHelp(const char *Cmd);
 
 int usage_lf_pyramid_clone(void){
-	PrintAndLog("clone a Farepointe/Pyramid tag to a T55x7 tag.");
+	PrintAndLog("clone a Farpointe/Pyramid tag to a T55x7 tag.");
 	PrintAndLog("Per pyramid format, the facility-code is 8-bit and the card number is 16-bit.  Larger values are truncated.");
 	PrintAndLog("");
 	PrintAndLog("Usage: lf pyramid clone <Facility-Code> <Card-Number>");
@@ -25,7 +25,7 @@ int usage_lf_pyramid_clone(void){
 }
 
 int usage_lf_pyramid_sim(void) {
-	PrintAndLog("Enables simulation of Farepointe/Pyramid card with specified card number.");
+	PrintAndLog("Enables simulation of Farpointe/Pyramid card with specified card number.");
 	PrintAndLog("Simulation runs until the button is pressed or another USB command is issued.");
 	PrintAndLog("Per pyramid format, the facility-code is 8-bit and the card number is 16-bit.  Larger values are truncated.");
 	PrintAndLog("");
@@ -38,36 +38,34 @@ int usage_lf_pyramid_sim(void) {
 	return 0;
 }
 
-// calc checksum
-int GetWiegandFromPyramid(const char *id, uint32_t *fc, uint32_t *cn) {
-	return 0;
-}
-
 int GetPyramidBits(uint32_t fc, uint32_t cn, uint8_t *pyramidBits) {
 
 	uint8_t pre[128];
 	memset(pre, 0x00, sizeof(pre));
 
-	// add preamble
-	pyramidBits[7]=1;
-	num_to_bytebits(26, 8, pre);
-
-	// get wiegand
+	// format start bit
+	pre[79] = 1;
+	
+	// Get 26 wiegand from FacilityCode, CardNumber	
 	uint8_t wiegand[24];
+	memset(wiegand, 0x00, sizeof(wiegand));
 	num_to_bytebits(fc, 8, wiegand);
 	num_to_bytebits(cn, 16, wiegand+8);
 
-	// add wiegand parity bits
-	wiegand_add_parity(pre+8, wiegand, 24);
-
-	// add paritybits	
-	addParity(pre, pyramidBits+8, 66, 4, 1);
+	// add wiegand parity bits (dest, source, len)
+	wiegand_add_parity(pre+80, wiegand, 24);
 	
-	// add checksum		
-	// this is wrong.
-	uint32_t crc = CRC8Maxim(wiegand, 13);
-	num_to_bytebits(crc, 8, pre+120);
+	// add paritybits	(bitsource, dest, sourcelen, paritylen, parityType (odd, even,)
+	addParity(pre+8, pyramidBits+8, 112, 8, 1);
 	
+	// add checksum		
+	uint8_t csBuff[13];
+	for (uint8_t i = 0; i < 13; i++)
+		csBuff[i] = bytebits_to_byte(pyramidBits + 16 + (i*8), 8);
+
+	uint32_t crc = CRC8Maxim(csBuff, 13);
+	num_to_bytebits(crc, 8, pyramidBits+120);
+
 	return 1;
 }
 
@@ -85,28 +83,21 @@ int CmdPyramidClone(const char *Cmd) {
 	char cmdp = param_getchar(Cmd, 0);
 	if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') return usage_lf_pyramid_clone();
 
-	uint32_t facilitycode=0, cardnumber=0;
-	uint8_t bits[128];
-	uint8_t *bs = bits;
-	memset(bs,0,sizeof(bits));
+	uint32_t facilitycode=0, cardnumber=0, fc = 0, cn = 0;
+	uint8_t i;
+	uint8_t bs[128];
+	memset(bs, 0x00, sizeof(bs));
+	
 	//Pyramid - compat mode, FSK2a, data rate 50, 4 data blocks
 	uint32_t blocks[5] = {T55x7_MODULATION_FSK2a | T55x7_BITRATE_RF_50 | 4<<T55x7_MAXBLOCK_SHIFT, 0, 0, 0, 0};
 	
 //	if (param_getchar(Cmd, 3) == 'Q' || param_getchar(Cmd, 3) == 'q')
 //		blocks[0] = T5555_MODULATION_FSK2 | 50<<T5555_BITRATE_SHIFT | 4<<T5555_MAXBLOCK_SHIFT;
 
-	// get wiegand from printed number.
-	GetWiegandFromPyramid(Cmd, &facilitycode, &cardnumber);
-	
-	if ((facilitycode & 0xFF) != facilitycode) {
-		facilitycode &= 0xFF;
-		PrintAndLog("Facility Code Truncated to 8-bits (Pyramid): %u", facilitycode);
-	}
+	if (sscanf(Cmd, "%u %u", &fc, &cn ) != 2) return usage_lf_pyramid_clone();
 
-	if ((cardnumber & 0xFFFF) != cardnumber) {
-		cardnumber &= 0xFFFF;
-		PrintAndLog("Card Number Truncated to 16-bits (Pyramid): %u", cardnumber);
-	}
+	facilitycode = (fc & 0x000000FF);
+	cardnumber = (cn & 0x0000FFFF);
 	
 	if ( !GetPyramidBits(facilitycode, cardnumber, bs)) {
 		PrintAndLog("Error with tag bitstream generation.");
@@ -118,20 +109,20 @@ int CmdPyramidClone(const char *Cmd) {
 	blocks[3] = bytebits_to_byte(bs+64,32);
 	blocks[4] = bytebits_to_byte(bs+96,32);
 
-	PrintAndLog("Preparing to clone Farepointe/Pyramid to T55x7 with Facility Code: %u, Card Number: %u", facilitycode, cardnumber);
+	PrintAndLog("Preparing to clone Farpointe/Pyramid to T55x7 with Facility Code: %u, Card Number: %u", facilitycode, cardnumber);
 	PrintAndLog("Blk | Data ");
 	PrintAndLog("----+------------");
-	for ( uint8_t i=0; i<5; ++i )
-		PrintAndLog(" %02d | 0x%08x",i , blocks[i]);
-	
+	for ( i = 0; i<5; ++i )
+		PrintAndLog(" %02d | %08x", i, blocks[i]);
+
 	UsbCommand resp;
-	//UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {0,0,0}};
+	UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {0,0,0}};
 
-	for ( uint8_t i=0; i<5; ++i ) {
-		//c.arg[0] = blocks[i];
-		//c.arg[1] = i;
+	for ( i = 0; i<5; ++i ) {
+		c.arg[0] = blocks[i];
+		c.arg[1] = i;
 		clearCommandBuffer();
-		// SendCommand(&c);
+		SendCommand(&c);
 		if (!WaitForResponseTimeout(CMD_ACK, &resp, 1000)){
 			PrintAndLog("Error occurred, device did not respond during write operation.");
 			return -1;
@@ -141,29 +132,37 @@ int CmdPyramidClone(const char *Cmd) {
 }
 
 int CmdPyramidSim(const char *Cmd) {
-	// uint32_t id = 0;
-	// uint64_t rawID = 0;
-	// uint8_t clk = 50, encoding = 1, separator = 0, invert = 0;
 
 	char cmdp = param_getchar(Cmd, 0);
 	if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') return usage_lf_pyramid_sim();
 
-	// id = param_get32ex(Cmd, 0, 0, 16);
-	// if (id == 0) return usage_lf_pyramid_sim();
+	uint32_t facilitycode = 0, cardnumber = 0, fc = 0, cn = 0;
+	
+	uint8_t bs[128];
+	size_t size = sizeof(bs);
+	memset(bs, 0x00, size);
+	
+	// Pyramid uses:  fcHigh: 10, fcLow: 8, clk: 50, invert: 0
+	uint64_t arg1, arg2;
+	arg1 = (10 << 8) + 8;
+	arg2 = 50 | 0;
 
-	//rawID = getPyramidBits(id);
+	if (sscanf(Cmd, "%u %u", &fc, &cn ) != 2) return usage_lf_pyramid_sim();
 
-	// uint16_t arg1, arg2;
-	// size_t size = 64;
-	// arg1 = clk << 8 | encoding;
-	// arg2 = invert << 8 | separator;
+	facilitycode = (fc & 0x000000FF);
+	cardnumber = (cn & 0x0000FFFF);
+	
+	if ( !GetPyramidBits(facilitycode, cardnumber, bs)) {
+		PrintAndLog("Error with tag bitstream generation.");
+		return 1;
+	}	
 
-	// PrintAndLog("Simulating - ID: %08X, Raw: %08X%08X",id,(uint32_t)(rawID >> 32),(uint32_t) (rawID & 0xFFFFFFFF));
+	PrintAndLog("Simulating Farpointe/Pyramid - Facility Code: %u, CardNumber: %u", facilitycode, cardnumber );
 	
-	// UsbCommand c = {CMD_FSK_SIM_TAG, {arg1, arg2, size}};
-	// num_to_bytebits(rawID, size, c.d.asBytes);
-	// clearCommandBuffer();
-	// SendCommand(&c);
+	UsbCommand c = {CMD_FSK_SIM_TAG, {arg1, arg2, size}};
+	memcpy(c.d.asBytes, bs, size);
+	clearCommandBuffer();
+	SendCommand(&c);
 	return 0;
 }