X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/48ece4a750b41536ba2c56dfd9a088b192976c82..c5847ae8af8d567da6cb905bd59c886e3d0c040b:/client/cmdhftopaz.c

diff --git a/client/cmdhftopaz.c b/client/cmdhftopaz.c
index aed5f023..e76b3fb5 100644
--- a/client/cmdhftopaz.c
+++ b/client/cmdhftopaz.c
@@ -22,15 +22,22 @@
 #include "iso14443crc.h"
 #include "protocols.h"
 
+#define TOPAZ_MAX_MEMORY	2048
+
+static struct {
+	uint8_t HR01[2];
+	uint8_t uid[7];
+	uint8_t size;
+	uint8_t data_blocks[TOPAZ_MAX_MEMORY/8][8];
+	uint8_t *dynamic_lock_areas;
+	uint8_t *dynamic_reserved_areas;
+} topaz_tag;
 
 
 static void topaz_switch_on_field(void)
 {
 	UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_SELECT | ISO14A_NO_DISCONNECT | ISO14A_TOPAZMODE, 0, 0}};
 	SendCommand(&c);
-
-	UsbCommand resp;
-	WaitForResponse(CMD_ACK, &resp);
 }
 
 
@@ -38,13 +45,10 @@ static void topaz_switch_off_field(void)
 {
 	UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}};
 	SendCommand(&c);
-
-	UsbCommand resp;
-	WaitForResponse(CMD_ACK, &resp);
 }
 
 
-static void topaz_send_cmd_raw(uint8_t *cmd, uint8_t len, uint8_t *response)
+static int topaz_send_cmd_raw(uint8_t *cmd, uint8_t len, uint8_t *response)
 {
 	UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_RAW | ISO14A_NO_DISCONNECT | ISO14A_TOPAZMODE, len, 0}};
 	memcpy(c.d.asBytes, cmd, len);
@@ -53,39 +57,307 @@ static void topaz_send_cmd_raw(uint8_t *cmd, uint8_t len, uint8_t *response)
 	UsbCommand resp;
 	WaitForResponse(CMD_ACK, &resp);
 
-	memcpy(response, resp.d.asBytes, resp.arg[0]);
+	if (resp.arg[0] > 0) {
+		memcpy(response, resp.d.asBytes, resp.arg[0]);
+	}
+	
+	return resp.arg[0];
 }
 
 
-static void topaz_send_cmd(uint8_t *cmd, uint8_t len, uint8_t *response)
+static int topaz_send_cmd(uint8_t *cmd, uint8_t len, uint8_t *response)
 {
 	if (len > 1) {
         uint8_t first, second;
-		ComputeCrc14443(CRC_14443_B, cmd, len, &first, &second);
-        cmd[len] = first;
-        cmd[len+1] = second;
+		ComputeCrc14443(CRC_14443_B, cmd, len-2, &first, &second);
+        cmd[len-2] = first;
+        cmd[len-1] = second;
 	}
 
-	topaz_send_cmd_raw(cmd, len+2, response);
+	return topaz_send_cmd_raw(cmd, len, response);
 }
 
 
-static void topaz_select(uint8_t *atqa, uint8_t *uid)
+static int topaz_select(uint8_t *atqa, uint8_t *rid_response)
 {
 	// ToDo: implement anticollision
-	uint8_t rid_cmd[] = {TOPAZ_RID, 0, 0, 0, 0, 0, 0, 0, 0};
+
 	uint8_t wupa_cmd[] = {TOPAZ_WUPA};
-	
+	uint8_t rid_cmd[] = {TOPAZ_RID, 0, 0, 0, 0, 0, 0, 0, 0};
+
 	topaz_switch_on_field();
-	topaz_send_cmd(wupa_cmd, sizeof(wupa_cmd), atqa);
-	topaz_send_cmd(rid_cmd, sizeof(rid_cmd) - 2, uid);
-	topaz_switch_off_field();
+
+	if (!topaz_send_cmd(wupa_cmd, sizeof(wupa_cmd), atqa)) {
+		topaz_switch_off_field();
+		return -1;		// WUPA failed
+	}
+
+	if (!topaz_send_cmd(rid_cmd, sizeof(rid_cmd), rid_response)) {
+		topaz_switch_off_field();
+		return -2;		// RID failed
+	}
+	
+	return 0;		// OK
+}
+
+
+static int topaz_rall(uint8_t *uid, uint8_t *response)
+{
+	uint8_t rall_cmd[] = {TOPAZ_RALL, 0, 0, 0, 0, 0, 0, 0, 0};
+
+	memcpy(&rall_cmd[3], uid, 4);
+	if (!topaz_send_cmd(rall_cmd, sizeof(rall_cmd), response)) {
+		topaz_switch_off_field();
+		return -1;		// RALL failed
+	}
+	
+	return 0;
 }
 
 
+static bool topaz_block_is_locked(uint8_t blockno, uint8_t *lockbits)
+{
+	if(lockbits[blockno/8] >> (blockno % 8) & 0x01) {
+		return true;
+	} else {
+		return false;
+	}
+}
+
+
+static int topaz_print_CC(uint8_t *data)
+{
+	if(data[0] != 0xe1) {
+		return -1;		// no NDEF message
+	}
+
+	PrintAndLog("Capability Container: %02x %02x %02x %02x", data[0], data[1], data[2], data[3]);
+	PrintAndLog("  %02x: NDEF Magic Number", data[0]); 
+	PrintAndLog("  %02x: version %d.%d supported by tag", data[1], (data[1] & 0xF0) >> 4, data[1] & 0x0f);
+	PrintAndLog("  %02x: Physical Memory Size of this tag: %d bytes", data[2], (data[2] + 1) * 8);
+	PrintAndLog("  %02x: %s / %s", data[3], 
+				(data[3] & 0xF0) ? "(RFU)" : "Read access granted without any security", 
+				(data[3] & 0x0F)==0 ? "Write access granted without any security" : (data[3] & 0x0F)==0x0F ? "No write access granted at all" : "(RFU)");
+	return 0;				
+}
+
+
+static void get_TLV(uint8_t **TLV_ptr, uint8_t *tag, uint16_t *length, uint8_t **value)
+{
+	*length = 0;
+	*value = NULL;
+
+	*tag = **TLV_ptr;
+	*TLV_ptr += 1;
+	switch (*tag) {
+		case 0x00:			// NULL TLV.
+		case 0xFE:			// Terminator TLV.
+			break;
+		case 0x01:			// Lock Control TLV
+		case 0x02:			// Reserved Memory TLV
+		case 0x03:			// NDEF message TLV
+		case 0xFD:			// proprietary TLV
+			*length = **TLV_ptr;
+			*TLV_ptr += 1;
+			if (*length == 0xff) {
+				*length = **TLV_ptr << 8;
+				*TLV_ptr += 1;
+				*length |= **TLV_ptr;
+				*TLV_ptr += 1;
+			}
+			*value = *TLV_ptr;
+			*TLV_ptr += *length;
+			break;
+		default:			// RFU
+			break;
+	}
+}
+
+
+static bool topaz_print_lock_control_TLVs(uint8_t *memory)
+{
+	uint8_t *TLV_ptr = memory;
+	uint8_t tag = 0;
+	uint16_t length;
+	uint8_t *value;
+	bool lock_TLV_present = false;
+	
+	while(*TLV_ptr != 0x03 && *TLV_ptr != 0xFD && *TLV_ptr != 0xFE) {	
+		// all Lock Control TLVs shall be present before the NDEF message TLV, the proprietary TLV (and the Terminator TLV)
+		get_TLV(&TLV_ptr, &tag, &length, &value);
+		if (tag == 0x01) {			// the Lock Control TLV
+			uint8_t pages_addr = value[0] >> 4;
+			uint8_t byte_offset = value[0] & 0x0f;
+			uint8_t size_in_bits = value[1] ? value[1] : 256;
+			uint8_t bytes_per_page = 1 << (value[2] & 0x0f);
+			uint8_t bytes_locked_per_bit = 1 << (value[2] >> 4);
+			PrintAndLog("Lock Area of %d bits at byte offset 0x%02x. Each Lock Bit locks %d bytes.", 
+						size_in_bits,
+						pages_addr * bytes_per_page + byte_offset,
+						bytes_locked_per_bit);
+			lock_TLV_present = true;
+		}
+	}
+	
+	if (!lock_TLV_present) {
+		PrintAndLog("(No Lock Control TLV present)");
+		return -1;
+	} else {
+		return 0;
+	}
+}
+
+
+static int topaz_print_reserved_memory_control_TLVs(uint8_t *memory)
+{
+	uint8_t *TLV_ptr = memory;
+	uint8_t tag = 0;
+	uint16_t length;
+	uint8_t *value;
+	bool reserved_memory_control_TLV_present = false;
+	
+	while(*TLV_ptr != 0x03 && *TLV_ptr != 0xFD && *TLV_ptr != 0xFE) {	
+		// all Reserved Memory Control TLVs shall be present before the NDEF message TLV, the proprietary TLV (and the Terminator TLV)
+		get_TLV(&TLV_ptr, &tag, &length, &value);
+		if (tag == 0x02) {			// the Reserved Memory Control TLV
+			uint8_t pages_addr = value[0] >> 4;
+			uint8_t byte_offset = value[0] & 0x0f;
+			uint8_t size_in_bytes = value[1] ? value[1] : 256;
+			uint8_t bytes_per_page = 1 << (value[2] & 0x0f);
+			PrintAndLog("Reserved Memory of %d bytes at byte offset 0x%02x.", 
+						size_in_bytes,
+						pages_addr * bytes_per_page + byte_offset);
+			reserved_memory_control_TLV_present = true;
+		}
+	}
+	
+	if (!reserved_memory_control_TLV_present) {
+		PrintAndLog("(No Reserved Memory Control TLV present)");
+		return -1;
+	} else {
+		return 0;
+	}
+}
+
+
+static void topaz_print_lifecycle_state(uint8_t *data)
+{
+
+}
+
+
+static void topaz_print_NDEF(uint8_t *data)
+{
+
+}
+
+	
 int CmdHFTopazReader(const char *Cmd)
 {
-	PrintAndLog("not yet implemented");
+	int status;
+	uint8_t atqa[2];
+	uint8_t rid_response[8];
+	uint8_t *uid_echo = &rid_response[2];
+	uint8_t rall_response[124];
+	
+	status = topaz_select(atqa, rid_response);
+	
+	if (status == -1) {
+		PrintAndLog("Error: couldn't receive ATQA");
+		return -1;
+	}
+
+	PrintAndLog("ATQA : %02x %02x", atqa[1], atqa[0]);
+	if (atqa[1] != 0x0c && atqa[0] != 0x00) {
+		PrintAndLog("Tag doesn't support the Topaz protocol.");
+		topaz_switch_off_field();
+		return -1;
+	}
+	
+	if (status == -2) {
+		PrintAndLog("Error: tag didn't answer to RID");
+		topaz_switch_off_field();
+		return -1;
+	}
+
+	topaz_tag.HR01[0] = rid_response[0];
+	topaz_tag.HR01[1] = rid_response[1];
+	
+	// ToDo: CRC check
+	PrintAndLog("HR0  : %02x (%sa Topaz tag (%scapable of carrying a NDEF message), %s memory map)", rid_response[0], 
+						(rid_response[0] & 0xF0) == 0x10 ? "" : "not ",
+						(rid_response[0] & 0xF0) == 0x10 ? "" : "not ",
+						(rid_response[0] & 0x0F) == 0x10 ? "static" : "dynamic");
+	PrintAndLog("HR1  : %02x", rid_response[1]);
+	
+	status = topaz_rall(uid_echo, rall_response);
+
+	if(status == -1) {
+		PrintAndLog("Error: tag didn't answer to RALL");
+		topaz_switch_off_field();
+		return -1;
+	}
+
+	memcpy(topaz_tag.uid, rall_response+2, 7);
+	PrintAndLog("UID  : %02x %02x %02x %02x %02x %02x %02x", 
+			topaz_tag.uid[6], 
+			topaz_tag.uid[5], 
+			topaz_tag.uid[4], 
+			topaz_tag.uid[3], 
+			topaz_tag.uid[2], 
+			topaz_tag.uid[1], 
+			topaz_tag.uid[0]);
+	PrintAndLog("       UID[6] (Manufacturer Byte) = %02x, Manufacturer: %s", 
+			topaz_tag.uid[6], 
+			getTagInfo(topaz_tag.uid[6]));
+
+	memcpy(topaz_tag.data_blocks, rall_response+2, 0x10*8);
+	PrintAndLog("");
+	PrintAndLog("Static Data blocks 00 to 0c:");
+	PrintAndLog("block# | offset | Data                    | Locked?");
+	char line[80];
+	for (uint16_t i = 0; i <= 0x0c; i++) {
+		for (uint16_t j = 0; j < 8; j++) {
+			sprintf(&line[3*j], "%02x ", topaz_tag.data_blocks[i][j] /*rall_response[2 + 8*i + j]*/);
+		}
+		PrintAndLog("  0x%02x |  0x%02x  | %s|   %-3s", i, i*8, line, topaz_block_is_locked(i, &topaz_tag.data_blocks[0x0d][0]) ? "yes" : "no");
+	}
+	
+	PrintAndLog("");
+	PrintAndLog("Static Reserved block 0d:");
+	for (uint16_t j = 0; j < 8; j++) {
+		sprintf(&line[3*j], "%02x ", topaz_tag.data_blocks[0x0d][j]);
+	}
+	PrintAndLog("  0x%02x |  0x%02x  | %s|   %-3s", 0x0d, 0x0d*8, line, "n/a");
+	
+	PrintAndLog("");
+	PrintAndLog("Static Lockbits and OTP Bytes:");
+	for (uint16_t j = 0; j < 8; j++) {
+		sprintf(&line[3*j], "%02x ", topaz_tag.data_blocks[0x0e][j]);
+	}
+	PrintAndLog("  0x%02x |  0x%02x  | %s|   %-3s", 0x0e, 0x0e*8, line, "n/a");
+
+	PrintAndLog("");
+
+	status = topaz_print_CC(&topaz_tag.data_blocks[1][0]);
+	
+	if (status == -1) {
+		PrintAndLog("No NDEF message present");
+		topaz_switch_off_field();
+		return 0;
+	}
+
+	PrintAndLog("");
+	bool lock_TLV_present = topaz_print_lock_control_TLVs(&topaz_tag.data_blocks[1][4]);
+
+	PrintAndLog("");
+	bool reserved_mem_present = topaz_print_reserved_memory_control_TLVs(&topaz_tag.data_blocks[1][4]);
+
+	topaz_print_lifecycle_state(&topaz_tag.data_blocks[1][0]);
+
+	topaz_print_NDEF(&topaz_tag.data_blocks[1][0]);
+	
+	topaz_switch_off_field();
 	return 0;
 }