#include "iso14443crc.h"
#include "protocols.h"
+#define TOPAZ_STATIC_MEMORY (0x0f * 8)
+typedef struct dynamic_lock_area {
+ struct dynamic_lock_area *next;
+ uint16_t byte_offset;
+ uint16_t size_in_bits;
+ uint16_t first_locked_byte;
+ uint16_t bytes_locked_per_bit;
+} dynamic_lock_area_t;
+
+
+static struct {
+ uint8_t HR01[2];
+ uint8_t uid[7];
+ uint8_t size;
+ uint8_t data_blocks[TOPAZ_STATIC_MEMORY/8][8];
+ dynamic_lock_area_t *dynamic_lock_areas;
+ uint8_t *dynamic_reserved_areas;
+ uint8_t *dynamic_memory;
+} topaz_tag;
static void topaz_switch_on_field(void)
}
-static int topaz_rall(uint8_t *uid, uint8_t *rall_response)
+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), rall_response)) {
+ if (!topaz_send_cmd(rall_cmd, sizeof(rall_cmd), response)) {
topaz_switch_off_field();
return -1; // RALL failed
}
}
-static bool topaz_block_is_locked(uint8_t blockno, uint8_t *lockbits)
+static dynamic_lock_area_t *get_dynamic_lock_area(uint16_t byteno)
+{
+ dynamic_lock_area_t *lock_area;
+
+ lock_area = topaz_tag.dynamic_lock_areas;
+
+ while (lock_area != NULL) {
+ if (byteno < lock_area->first_locked_byte) {
+ lock_area = lock_area->next;
+ } else {
+ return lock_area;
+ }
+ }
+
+ return NULL;
+}
+
+
+// check if a memory block (8 Bytes) is locked.
+// TODO: support other sizes of locked_bytes_per_bit (current assumption: each lock bit locks 8 Bytes)
+static bool topaz_byte_is_locked(uint16_t byteno)
{
+ uint8_t *lockbits;
+ uint16_t locked_bytes_per_bit;
+ dynamic_lock_area_t *lock_area;
+
+ if (byteno < TOPAZ_STATIC_MEMORY) {
+ lockbits = &topaz_tag.data_blocks[0x0e][0];
+ locked_bytes_per_bit = 8;
+ } else {
+ lock_area = get_dynamic_lock_area(byteno);
+ if (lock_area == NULL) {
+ return false;
+ }
+ locked_bytes_per_bit = lock_area->bytes_locked_per_bit;
+ byteno = byteno - lock_area->first_locked_byte;
+ lockbits = &topaz_tag.dynamic_memory[lock_area->byte_offset - TOPAZ_STATIC_MEMORY];
+ }
+
+ uint16_t blockno = byteno / locked_bytes_per_bit;
if(lockbits[blockno/8] >> (blockno % 8) & 0x01) {
return true;
} else {
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);
+ uint16_t memsize = (data[2] + 1) * 8;
+ topaz_tag.dynamic_memory = malloc(memsize - TOPAZ_STATIC_MEMORY);
+ PrintAndLog(" %02x: Physical Memory Size of this tag: %d bytes", data[2], memsize);
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)");
uint16_t length;
uint8_t *value;
bool lock_TLV_present = false;
+ uint16_t first_locked_byte = 0x0f * 8;
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)
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.",
+ uint16_t size_in_bits = value[1] ? value[1] : 256;
+ uint16_t bytes_per_page = 1 << (value[2] & 0x0f);
+ uint16_t bytes_locked_per_bit = 1 << (value[2] >> 4);
+ PrintAndLog("Lock Area of %d bits at byte offset 0x%04x. Each Lock Bit locks %d bytes.",
size_in_bits,
pages_addr * bytes_per_page + byte_offset,
bytes_locked_per_bit);
lock_TLV_present = true;
+ dynamic_lock_area_t *old = topaz_tag.dynamic_lock_areas;
+ dynamic_lock_area_t *new = topaz_tag.dynamic_lock_areas;
+ if (old == NULL) {
+ new = topaz_tag.dynamic_lock_areas = (dynamic_lock_area_t *)malloc(sizeof(dynamic_lock_area_t));
+ } else {
+ while(old->next != NULL) {
+ old = old->next;
+ }
+ new = old->next = (dynamic_lock_area_t *)malloc(sizeof(dynamic_lock_area_t));
+ }
+ new->next = NULL;
+ new->first_locked_byte = first_locked_byte;
+ new->byte_offset = pages_addr * bytes_per_page + byte_offset;
+ new->size_in_bits = size_in_bits;
+ new->bytes_locked_per_bit = bytes_locked_per_bit;
+ first_locked_byte = first_locked_byte + size_in_bits*bytes_locked_per_bit;
}
}
uint8_t atqa[2];
uint8_t rid_response[8];
uint8_t *uid_echo = &rid_response[2];
- union {
- uint8_t raw_content[124];
- struct {
- uint8_t HR[2];
- uint8_t data_block[15][8];
- uint8_t CRC[2];
- } static_memory;
- } rall_response;
- uint8_t *static_lock_bytes = rall_response.static_memory.data_block[0x0e];
+ uint8_t rall_response[124];
status = topaz_select(atqa, rid_response);
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] & 0x0F) == 0x10 ? "static" : "dynamic");
PrintAndLog("HR1 : %02x", rid_response[1]);
- status = topaz_rall(uid_echo, rall_response.raw_content);
+ status = topaz_rall(uid_echo, rall_response);
if(status == -1) {
PrintAndLog("Error: tag didn't answer to RALL");
return -1;
}
+ memcpy(topaz_tag.uid, rall_response+2, 7);
PrintAndLog("UID : %02x %02x %02x %02x %02x %02x %02x",
- rall_response.static_memory.data_block[0][6],
- rall_response.static_memory.data_block[0][5],
- rall_response.static_memory.data_block[0][4],
- rall_response.static_memory.data_block[0][3],
- rall_response.static_memory.data_block[0][2],
- rall_response.static_memory.data_block[0][1],
- rall_response.static_memory.data_block[0][0]);
+ 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",
- rall_response.static_memory.data_block[0][6],
- getTagInfo(rall_response.static_memory.data_block[0][6]));
-
+ 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?");
+ PrintAndLog("block# | offset | Data | Locked(y/n)");
char line[80];
for (uint16_t i = 0; i <= 0x0c; i++) {
for (uint16_t j = 0; j < 8; j++) {
- sprintf(&line[3*j], "%02x ", rall_response.static_memory.data_block[i][j] /*rall_response[2 + 8*i + 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, static_lock_bytes) ? "yes" : "no");
+ PrintAndLog(" 0x%02x | 0x%04x | %s| %-3s", i, i*8, line, topaz_byte_is_locked(i*8) ? "yyyyyyyy" : "nnnnnnnn");
}
PrintAndLog("");
PrintAndLog("Static Reserved block 0d:");
for (uint16_t j = 0; j < 8; j++) {
- sprintf(&line[3*j], "%02x ", rall_response.static_memory.data_block[0x0d][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(" 0x%02x | 0x%04x | %s| %-3s", 0x0d, 0x0d*8, line, "n/a");
PrintAndLog("");
- PrintAndLog("Static Lockbits / OTP block 0e:");
+ PrintAndLog("Static Lockbits and OTP Bytes:");
for (uint16_t j = 0; j < 8; j++) {
- sprintf(&line[3*j], "%02x ", static_lock_bytes[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(" 0x%02x | 0x%04x | %s| %-3s", 0x0e, 0x0e*8, line, "n/a");
PrintAndLog("");
- status = topaz_print_CC(&rall_response.static_memory.data_block[1][0]);
+ status = topaz_print_CC(&topaz_tag.data_blocks[1][0]);
if (status == -1) {
PrintAndLog("No NDEF message present");
}
PrintAndLog("");
- bool lock_TLV_present = topaz_print_lock_control_TLVs(&rall_response.static_memory.data_block[1][4]);
+ 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(&rall_response.static_memory.data_block[1][4]);
+ bool reserved_mem_present = topaz_print_reserved_memory_control_TLVs(&topaz_tag.data_blocks[1][4]);
- topaz_print_lifecycle_state(&rall_response.static_memory.data_block[1][0]);
+ topaz_print_lifecycle_state(&topaz_tag.data_blocks[1][0]);
- topaz_print_NDEF(&rall_response.static_memory.data_block[1][0]);
+ topaz_print_NDEF(&topaz_tag.data_blocks[1][0]);
topaz_switch_off_field();
return 0;
projects / proxmark3-svn / blobdiff