ADD: added some pyramid commands. //not finished.

client/cmdlfpyramid.c

@@ -0,0 +1,187 @@
+//-----------------------------------------------------------------------------
+//
+// 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.
+//-----------------------------------------------------------------------------
+// Low frequency Farpoint / Pyramid tag commands
+//-----------------------------------------------------------------------------
+#include <string.h>
+#include <inttypes.h>
+#include "cmdlfpyramid.h"
+static int CmdHelp(const char *Cmd);
+
+int usage_lf_pyramid_clone(void){
+	PrintAndLog("clone a Farepointe/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>");
+	PrintAndLog("Options :");
+	PrintAndLog("  <Facility-Code> :  8-bit value facility code");
+	PrintAndLog("  <Card Number>   : 16-bit value card number");
+	PrintAndLog("");
+	PrintAndLog("Sample  : lf pyramid clone 123 11223");
+	return 0;
+}
+
+int usage_lf_pyramid_sim(void) {
+	PrintAndLog("Enables simulation of Farepointe/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("");
+	PrintAndLog("Usage:  lf pyramid sim <Card-Number>");
+	PrintAndLog("Options :");
+	PrintAndLog("  <Facility-Code> :  8-bit value facility code");
+	PrintAndLog("  <Card Number>   : 16-bit value card number");
+	PrintAndLog("");
+	PrintAndLog("Sample  : lf pyramid sim 123 11223");
+	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
+	uint8_t wiegand[24];
+	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 checksum		
+	// this is wrong.
+	uint32_t crc = CRC8Maxim(wiegand, 13);
+	num_to_bytebits(crc, 8, pre+120);
+	
+	return 1;
+}
+
+int CmdPyramidRead(const char *Cmd) {
+	// read lf silently
+	CmdLFRead("s");
+	// get samples silently
+	getSamples("30000",false);
+	// demod and output Pyramid ID	
+	return CmdFSKdemodPyramid("");
+}
+
+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));
+	//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 ((cardnumber & 0xFFFF) != cardnumber) {
+		cardnumber &= 0xFFFF;
+		PrintAndLog("Card Number Truncated to 16-bits (Pyramid): %u", cardnumber);
+	}
+	
+	if ( !GetPyramidBits(facilitycode, cardnumber, bs)) {
+		PrintAndLog("Error with tag bitstream generation.");
+		return 1;
+	}	
+
+	blocks[1] = bytebits_to_byte(bs,32);
+	blocks[2] = bytebits_to_byte(bs+32,32);
+	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("Blk | Data ");
+	PrintAndLog("----+------------");
+	for ( uint8_t i=0; i<5; ++i )
+		PrintAndLog(" %02d | 0x%08x",i , blocks[i]);
+	
+	UsbCommand resp;
+	//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;
+		clearCommandBuffer();
+		// SendCommand(&c);
+		if (!WaitForResponseTimeout(CMD_ACK, &resp, 1000)){
+			PrintAndLog("Error occurred, device did not respond during write operation.");
+			return -1;
+		}
+	}
+    return 0;
+}
+
+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();
+
+	//rawID = getPyramidBits(id);
+
+	// uint16_t arg1, arg2;
+	// size_t size = 64;
+	// arg1 = clk << 8 | encoding;
+	// arg2 = invert << 8 | separator;
+
+	// PrintAndLog("Simulating - ID: %08X, Raw: %08X%08X",id,(uint32_t)(rawID >> 32),(uint32_t) (rawID & 0xFFFFFFFF));
+	
+	// UsbCommand c = {CMD_FSK_SIM_TAG, {arg1, arg2, size}};
+	// num_to_bytebits(rawID, size, c.d.asBytes);
+	// clearCommandBuffer();
+	// SendCommand(&c);
+	return 0;
+}
+
+static command_t CommandTable[] = {
+    {"help",	CmdHelp,		1, "This help"},
+	{"read",	CmdPyramidRead,  0, "Attempt to read and extract tag data"},
+	{"clone",	CmdPyramidClone, 0, "<Facility-Code> <Card Number>  clone pyramid tag"},
+	{"sim",		CmdPyramidSim,   0, "<Facility-Code> <Card Number>  simulate pyramid tag"},
+    {NULL, NULL, 0, NULL}
+};
+
+int CmdLFPyramid(const char *Cmd) {
+	clearCommandBuffer();
+    CmdsParse(CommandTable, Cmd);
+    return 0;
+}
+
+int CmdHelp(const char *Cmd) {
+    CmdsHelp(CommandTable);
+    return 0;
+}