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ADD: "hf legic eload" - Load binary file to emulator memory. Use "h" for help text

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ADD:  "hf legic esave" - Save emulator memory to binary file. Use "h" for help text
This commit is contained in:
iceman1001 2016-10-06 19:13:23 +02:00
commit 0e8cabed8d
8 changed files with 358 additions and 269 deletions
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17
armsrc/appmain.c
View file

@ -1052,22 +1052,18 @@ void UsbPacketReceived(uint8_t *packet, int len)
case CMD_SIMULATE_TAG_LEGIC_RF:
LegicRfSimulate(c->arg[0], c->arg[1], c->arg[2]);
break;
case CMD_WRITER_LEGIC_RF:
LegicRfWriter( c->arg[0], c->arg[1], c->arg[2]);
LegicRfWriter( c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
break;
case CMD_RAW_WRITER_LEGIC_RF:
LegicRfRawWriter(c->arg[0], c->arg[1], c->arg[2]);
break;
case CMD_READER_LEGIC_RF:
LegicRfReader(c->arg[0], c->arg[1], c->arg[2]);
break;
break;
case CMD_LEGIC_INFO:
LegicRfInfo();
break;
case CMD_LEGIC_ESET:
LegicEMemSet(c->arg[0], c->arg[1], c->d.asBytes);
break;
#endif
#ifdef WITH_ISO14443b
@ -1196,7 +1192,6 @@ void UsbPacketReceived(uint8_t *packet, int len)
case CMD_MIFARE_DESFIRE:
MifareSendCommand(c->arg[0], c->arg[1], c->d.asBytes);
break;
case CMD_MIFARE_COLLECT_NONCES:
break;
#endif
@ -1227,7 +1222,7 @@ void UsbPacketReceived(uint8_t *packet, int len)
case CMD_READER_ICLASS_REPLAY:
ReaderIClass_Replay(c->arg[0], c->d.asBytes);
break;
case CMD_ICLASS_EML_MEMSET:
case CMD_ICLASS_EML_MEMSET:
emlSet(c->d.asBytes,c->arg[0], c->arg[1]);
break;
case CMD_ICLASS_WRITEBLOCK:

256
armsrc/legicrf.c
View file

@ -407,19 +407,15 @@ int legic_read_byte( uint16_t index, uint8_t cmd_sz) {
* - wait until the tag sends back an ACK ('1' bit unencrypted)
* - forward the prng based on the timing
*/
//int legic_write_byte(int byte, int addr, int addr_sz, int PrngCorrection) {
int legic_write_byte(uint8_t byte, uint16_t addr, uint8_t addr_sz) {
//do not write UID, CRC at offset 0-4.
if (addr <= 4) return 0;
int legic_write_byte(uint16_t index, uint8_t byte, uint8_t addr_sz) {
// crc
crc_clear(&legic_crc);
crc_update(&legic_crc, 0, 1); /* CMD_WRITE */
crc_update(&legic_crc, addr, addr_sz);
crc_update(&legic_crc, index, addr_sz);
crc_update(&legic_crc, byte, 8);
uint32_t crc = crc_finish(&legic_crc);
uint32_t crc2 = legic4Crc(LEGIC_WRITE, addr, byte, addr_sz+1);
uint32_t crc2 = legic4Crc(LEGIC_WRITE, index, byte, addr_sz+1);
if ( crc != crc2 ) {
Dbprintf("crc is missmatch");
return 1;
@ -427,8 +423,8 @@ int legic_write_byte(uint8_t byte, uint16_t addr, uint8_t addr_sz) {
// send write command
uint32_t cmd = ((crc <<(addr_sz+1+8)) //CRC
|(byte <<(addr_sz+1)) //Data
|(addr <<1) //Address
| LEGIC_WRITE); //CMD = Write
|(index <<1) //index
| LEGIC_WRITE); //CMD = Write
uint32_t cmd_sz = addr_sz+1+8+4; //crc+data+cmd
@ -437,15 +433,16 @@ int legic_write_byte(uint8_t byte, uint16_t addr, uint8_t addr_sz) {
WaitTicks(330);
frame_sendAsReader(cmd, cmd_sz);
// wait for ack
AT91C_BASE_PIOA->PIO_ODR = GPIO_SSC_DIN;
AT91C_BASE_PIOA->PIO_PER = GPIO_SSC_DIN;
// wait for ack
int t, old_level = 0, edges = 0;
int next_bit_at = 0;
WaitTicks(TAG_FRAME_WAIT);
// ACK 3.6ms = 3600us * 1.5 = 5400ticks.
WaitTicks(5360);
for( t = 0; t < 80; ++t) {
edges = 0;
@ -457,7 +454,8 @@ int legic_write_byte(uint8_t byte, uint16_t addr, uint8_t addr_sz) {
old_level = level;
}
if(edges > 20 ) { /* expected are 42 edges */
/* expected are 42 edges (ONE) */
if(edges > 20 ) {
int t = timer->TC_CV;
int c = t / TAG_BIT_PERIOD;
@ -467,7 +465,6 @@ int legic_write_byte(uint8_t byte, uint16_t addr, uint8_t addr_sz) {
}
}
ResetTimer(timer);
return -1;
}
@ -512,51 +509,16 @@ OUT:
return 0;
}
/*int _LegicRfWriter(int offset, int bytes, int addr_sz, uint8_t *BigBuf, int RoundBruteforceValue) {
int byte_index=0;
void LegicRfWriter(uint16_t offset, uint16_t len, uint8_t iv, uint8_t *data) {
LED_B_ON();
setup_phase_reader(iv);
//legic_prng_forward(2);
while(byte_index < bytes) {
int r;
//check if the DCF should be changed
if ( (offset == 0x05) && (bytes == 0x02) ) {
//write DCF in reverse order (addr 0x06 before 0x05)
r = legic_write_byte(BigBuf[(0x06-byte_index)], (0x06-byte_index), addr_sz, RoundBruteforceValue);
//legic_prng_forward(1);
if(r == 0) {
byte_index++;
r = legic_write_byte(BigBuf[(0x06-byte_index)], (0x06-byte_index), addr_sz, RoundBruteforceValue);
}
//legic_prng_forward(1);
}
else {
r = legic_write_byte(BigBuf[byte_index+offset], byte_index+offset, addr_sz, RoundBruteforceValue);
}
if((r != 0) || BUTTON_PRESS()) {
Dbprintf("operation aborted @ 0x%03.3x", byte_index);
switch_off_tag_rwd();
LED_B_OFF();
LED_C_OFF();
return -1;
}
WDT_HIT();
byte_index++;
if(byte_index & 0x10) LED_C_ON(); else LED_C_OFF();
}
LED_B_OFF();
LED_C_OFF();
DbpString("write successful");
return 0;
}*/
void LegicRfWriter(uint16_t offset, uint16_t bytes, uint8_t iv) {
int byte_index = 0;
uint8_t isOK = 1;
// UID not is writeable.
if ( offset <= 4 ) {
isOK = 0;
goto OUT;
}
legic_card_select_t card;
LegicCommonInit();
@ -566,63 +528,40 @@ void LegicRfWriter(uint16_t offset, uint16_t bytes, uint8_t iv) {
goto OUT;
}
switch_off_tag_rwd();
switch(card.tagtype) {
case 0x0d:
if(offset+bytes > 22) {
Dbprintf("Error: can not write to 0x%03.3x on MIM22", offset + bytes);
return;
}
if ( MF_DBGLEVEL >= 2) Dbprintf("MIM22 card found, writing 0x%02.2x - 0x%02.2x ...", offset, offset + bytes);
break;
case 0x1d:
if(offset+bytes > 0x100) {
Dbprintf("Error: can not write to 0x%03.3x on MIM256", offset + bytes);
return;
}
if ( MF_DBGLEVEL >= 2) Dbprintf("MIM256 card found, writing 0x%02.2x - 0x%02.2x ...", offset, offset + bytes);
break;
case 0x3d:
if(offset+bytes > 0x400) {
Dbprintf("Error: can not write to 0x%03.3x on MIM1024", offset + bytes);
return;
}
if ( MF_DBGLEVEL >= 2) Dbprintf("MIM1024 card found, writing 0x%03.3x - 0x%03.3x ...", offset, offset + bytes);
break;
default:
return;
}
if (len + offset >= card.cardsize)
len = card.cardsize - offset;
LED_B_ON();
setup_phase_reader(iv);
LED_B_ON();
int r = 0;
while(byte_index < bytes) {
// how about we write backwards instead. no need for this extra DCF check.
// index = len - cardsize
// stops uid 01234,
/*
len = 20
offset = 5
index = 20+5 = 25
if ( index > cardsize ) return -1;
loop
write( cardmem[index], index , card.addrsize);
--index;
end loop
*/
uint16_t index = len;
while(index > 4) {
//check if the DCF should be changed
if ( ((byte_index+offset) == 0x05) && (bytes >= 0x02) ) {
//write DCF in reverse order (addr 0x06 before 0x05)
r = legic_write_byte(cardmem[(0x06-byte_index)], (0x06-byte_index), card.addrsize);
// write second byte on success
if(r == 0) {
byte_index++;
r = legic_write_byte(cardmem[(0x06-byte_index)], (0x06-byte_index), card.addrsize);
}
}
else {
r = legic_write_byte(cardmem[byte_index+offset], byte_index+offset, card.addrsize);
}
r = legic_write_byte( index, cardmem[ index ], card.addrsize);
if ((r != 0) || BUTTON_PRESS()) {
Dbprintf("operation aborted @ 0x%03.3x", byte_index);
if ( r ) {
Dbprintf("operation aborted @ 0x%03.3x", index);
isOK = 0;
goto OUT;
}
WDT_HIT();
byte_index++;
--index;
WDT_HIT();
}
OUT:
@ -631,66 +570,6 @@ OUT:
LEDsoff();
}
void LegicRfRawWriter(int address, int byte, uint8_t iv) {
int byte_index = 0, addr_sz = 0;
LegicCommonInit();
if ( MF_DBGLEVEL >= 2) DbpString("setting up legic card");
uint32_t tag_type = setup_phase_reader(iv);
switch_off_tag_rwd();
switch(tag_type) {
case 0x0d:
if(address > 22) {
Dbprintf("Error: can not write to 0x%03.3x on MIM22", address);
return;
}
addr_sz = 5;
if ( MF_DBGLEVEL >= 2) Dbprintf("MIM22 card found, writing at addr 0x%02.2x - value 0x%02.2x ...", address, byte);
break;
case 0x1d:
if(address > 0x100) {
Dbprintf("Error: can not write to 0x%03.3x on MIM256", address);
return;
}
addr_sz = 8;
if ( MF_DBGLEVEL >= 2) Dbprintf("MIM256 card found, writing at addr 0x%02.2x - value 0x%02.2x ...", address, byte);
break;
case 0x3d:
if(address > 0x400) {
Dbprintf("Error: can not write to 0x%03.3x on MIM1024", address);
return;
}
addr_sz = 10;
if ( MF_DBGLEVEL >= 2) Dbprintf("MIM1024 card found, writing at addr 0x%03.3x - value 0x%03.3x ...", address, byte);
break;
default:
Dbprintf("No or unknown card found, aborting");
return;
}
Dbprintf("integer value: %d address: %d addr_sz: %d", byte, address, addr_sz);
LED_B_ON();
setup_phase_reader(iv);
int r = legic_write_byte(byte, address, addr_sz);
if((r != 0) || BUTTON_PRESS()) {
Dbprintf("operation aborted @ 0x%03.3x (%1d)", byte_index, r);
switch_off_tag_rwd();
LEDsoff();
return;
}
LEDsoff();
if ( MF_DBGLEVEL >= 1) DbpString("write successful");
}
int legic_select_card_iv(legic_card_select_t *p_card, uint8_t iv){
if ( p_card == NULL ) return 1;
@ -725,8 +604,42 @@ int legic_select_card(legic_card_select_t *p_card){
return legic_select_card_iv(p_card, 0x01);
}
//-----------------------------------------------------------------------------
// Work with emulator memory
//
// Note: we call FpgaDownloadAndGo(FPGA_BITSTREAM_HF) here although FPGA is not
// involved in dealing with emulator memory. But if it is called later, it might
// destroy the Emulator Memory.
//-----------------------------------------------------------------------------
// arg0 = offset
// arg1 = num of bytes
void LegicEMemSet(uint32_t arg0, uint32_t arg1, uint8_t *data) {
FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
legic_emlset_mem(data, arg0, arg1);
}
// arg0 = offset
// arg1 = num of bytes
void LegicEMemGet(uint32_t arg0, uint32_t arg1) {
FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
uint8_t buf[USB_CMD_DATA_SIZE] = {0x00};
legic_emlget_mem(buf, arg0, arg1);
LED_B_ON();
cmd_send(CMD_ACK, arg0, arg1, 0, buf, USB_CMD_DATA_SIZE);
LED_B_OFF();
}
void legic_emlset_mem(uint8_t *data, int offset, int numofbytes) {
cardmem = BigBuf_get_EM_addr();
memcpy(cardmem + offset, data, numofbytes);
}
void legic_emlget_mem(uint8_t *data, int offset, int numofbytes) {
cardmem = BigBuf_get_EM_addr();
memcpy(data, cardmem + offset, numofbytes);
}
void LegicRfInfo(void){
int r;
uint8_t buf[sizeof(legic_card_select_t)] = {0x00};
legic_card_select_t *card = (legic_card_select_t*) buf;
@ -739,7 +652,7 @@ void LegicRfInfo(void){
// read UID bytes
for ( uint8_t i = 0; i < sizeof(card->uid); ++i) {
int r = legic_read_byte(i, card->cmdsize);
r = legic_read_byte(i, card->cmdsize);
if ( r == -1 ) {
cmd_send(CMD_ACK,0,0,0,0,0);
goto OUT;
@ -747,6 +660,15 @@ void LegicRfInfo(void){
card->uid[i] = r & 0xFF;
}
// MCC byte.
r = legic_read_byte(4, card->cmdsize);
uint32_t calc_mcc = CRC8Legic(card->uid, 4);;
if ( r != calc_mcc) {
cmd_send(CMD_ACK,0,0,0,0,0);
goto OUT;
}
// OK
cmd_send(CMD_ACK, 1, 0, 0, buf, sizeof(legic_card_select_t));
OUT:

11
armsrc/legicrf.h
View file

@ -22,8 +22,7 @@
extern void LegicRfSimulate(int phase, int frame, int reqresp);
extern int LegicRfReader(uint16_t offset, uint16_t len, uint8_t iv);
extern void LegicRfWriter(uint16_t offset, uint16_t byte, uint8_t iv);
extern void LegicRfRawWriter(int address, int data, uint8_t iv);
extern void LegicRfWriter(uint16_t offset, uint16_t byte, uint8_t iv, uint8_t *data);
extern void LegicRfInfo(void);
uint32_t get_key_stream(int skip, int count);
@ -31,9 +30,17 @@ void frame_send_tag(uint16_t response, uint8_t bits);
void frame_sendAsReader(uint32_t data, uint8_t bits);
int legic_read_byte( uint16_t index, uint8_t cmd_sz);
int legic_write_byte(uint16_t index, uint8_t byte, uint8_t addr_sz);
int legic_select_card(legic_card_select_t *p_card);
int legic_select_card_iv(legic_card_select_t *p_card, uint8_t iv);
// emulator mem
void LegicEMemSet(uint32_t arg0, uint32_t arg1, uint8_t *data);
void LegicEMemGet(uint32_t arg0, uint32_t arg1);
void legic_emlset_mem(uint8_t *data, int offset, int numofbytes);
void legic_emlget_mem(uint8_t *data, int offset, int numofbytes);
void ice_legic_setup();
#endif /* __LEGICRF_H */

327
client/cmdhflegic.c
View file

@ -84,10 +84,6 @@ int usage_legic_rawwrite(void){
PrintAndLog(" hf legic writeraw 10 4 - writes 0x4 to byte[0x10]");
return 0;
}
int usage_legic_fill(void){
PrintAndLog("Missing help text.");
return 0;
}
int usage_legic_reader(void){
PrintAndLog("Read UID and type information from a legic tag.");
PrintAndLog("Usage: hf legic reader [h]");
@ -124,6 +120,39 @@ int usage_legic_dump(void){
return 0;
}
int usage_legic_eload(void){
PrintAndLog("It loads binary dump from the file `filename.bin`");
PrintAndLog("Usage: hf legic eload [h] [card memory] <file name w/o `.bin`>");
PrintAndLog("Options:");
PrintAndLog(" h : this help");
PrintAndLog(" [card memory] : 0 = MIM22");
PrintAndLog(" : 1 = MIM256 (default)");
PrintAndLog(" : 2 = MIM1024");
PrintAndLog(" <filename> : filename w/o .bin to load");
PrintAndLog("");
PrintAndLog("Samples:");
PrintAndLog(" hf legic eload filename");
PrintAndLog(" hf legic eload 2 filename");
return 0;
}
int usage_legic_esave(void){
PrintAndLog("It saves binary dump into the file `filename.bin` or `cardID.bin`");
PrintAndLog(" Usage: hf legic esave [h] [card memory] [file name w/o `.bin`]");
PrintAndLog("Options:");
PrintAndLog(" h : this help");
PrintAndLog(" [card memory] : 0 = MIM22");
PrintAndLog(" : 1 = MIM256 (default)");
PrintAndLog(" : 2 = MIM1024");
PrintAndLog(" <filename> : filename w/o .bin to load");
PrintAndLog("");
PrintAndLog("Samples:");
PrintAndLog(" hf legic esave ");
PrintAndLog(" hf legic esave 2");
PrintAndLog(" hf legic esave 2 filename");
return 0;
}
/*
* Output BigBuf and deobfuscate LEGIC RF tag data.
* This is based on information given in the talk held
@ -166,6 +195,7 @@ int CmdLegicInfo(const char *Cmd) {
(calc_crc == crc) ? "OK":"Fail"
);
// MCD = Manufacturer ID (should be list meaning something?)
token_type[0] = 0;
dcf = ((int)data[6] << 8) | (int)data[5];
@ -434,15 +464,7 @@ int CmdLegicRdmem(const char *Cmd) {
PrintAndLog("Out-of-bound, shorten len to %d (0x%02X)", len, len);
}
if ( (IV & 0x7F) != IV ){
IV &= 0x7F;
PrintAndLog("Truncating IV to 7bits");
}
if ( (IV & 1) == 0 ){
IV |= 0x01;
PrintAndLog("LSB of IV must be SET");
}
legic_chk_iv(&IV);
UsbCommand c = {CMD_READER_LEGIC_RF, {offset, len, IV}};
clearCommandBuffer();
@ -484,6 +506,8 @@ int CmdLegicRdmem(const char *Cmd) {
return 0;
}
// load, filename (ascii hex textfile)
// uploads it to device mem
int CmdLegicLoad(const char *Cmd) {
// iceman: potential bug, where all filepaths or filename which starts with H or h will print the helptext :)
@ -563,6 +587,9 @@ int CmdLegicLoad(const char *Cmd) {
return 0;
}
// Save, filename, num of bytes, starting offset. (in decimal)
// ie: "hf legic save nnn.txt 100 0 (saves the first 100bytes)
// (ascii hex textfile)
int CmdLegicSave(const char *Cmd) {
int requested = 1024;
int offset = 0;
@ -616,6 +643,8 @@ int CmdLegicSave(const char *Cmd) {
}
//TODO: write a help text (iceman)
// should say which tagtype
// should load a tag to device mem.
int CmdLegicRfSim(const char *Cmd) {
UsbCommand c = {CMD_SIMULATE_TAG_LEGIC_RF, {6,3,0}};
sscanf(Cmd, " %"lli" %"lli" %"lli, &c.arg[0], &c.arg[1], &c.arg[2]);
@ -626,11 +655,9 @@ int CmdLegicRfSim(const char *Cmd) {
int CmdLegicRfWrite(const char *Cmd) {
// params:
// offset - in tag memory
// length - num of bytes to be written
// IV - initialisation vector
char cmdp = param_getchar(Cmd, 0);
if ( cmdp == 'H' || cmdp == 'h' ) return usage_legic_write();
@ -641,31 +668,32 @@ int CmdLegicRfWrite(const char *Cmd) {
PrintAndLog("Please specify the offset and length as two hex strings and, optionally, the IV also as an hex string");
return -1;
}
// tagtype
legic_card_select_t card;
if (legic_get_type(&card)) {
PrintAndLog("Failed to identify tagtype");
return -1;
}
legic_print_type(card.cardsize, 0);
// OUT-OF-BOUNDS check
if ( len + offset > MAX_LENGTH ) {
len = MAX_LENGTH - offset;
PrintAndLog("Out-of-bound, shorten len to %d (0x%02X)", len, len);
}
if ( (IV & 0x7F) != IV ){
IV &= 0x7F;
PrintAndLog("Truncating IV to 7bits");
}
if ( (IV & 1) == 0 ){
IV |= 0x01; // IV must be odd
PrintAndLog("LSB of IV must be SET");
if ( len + offset > card.cardsize ) {
PrintAndLog("Out-of-bounds, Cardsize = %d, [offset+len = %d ]", card.cardsize, len + offset);
return -2;
}
legic_chk_iv(&IV);
UsbCommand c = {CMD_WRITER_LEGIC_RF, {offset, len, IV}};
clearCommandBuffer();
SendCommand(&c);
UsbCommand resp;
if (WaitForResponseTimeout(CMD_ACK, &resp, 2000)) {
uint8_t isOK = resp.arg[0] & 0xFF;
if ( isOK ) {
} else {
PrintAndLog("failed writig tag");
}
if ( !isOK )
PrintAndLog("failed writing tag");
} else {
PrintAndLog("command execution time out");
return 1;
@ -720,31 +748,6 @@ int CmdLegicRfRawWrite(const char *Cmd) {
return 0;
}
//TODO: write a help text (iceman)
int CmdLegicRfFill(const char *Cmd) {
UsbCommand cmd = {CMD_WRITER_LEGIC_RF, {0,0,0} };
int res = sscanf(Cmd, " 0x%"llx" 0x%"llx" 0x%"llx, &cmd.arg[0], &cmd.arg[1], &cmd.arg[2]);
if(res != 3) {
PrintAndLog("Please specify the offset, length and value as two hex strings");
return -1;
}
int i;
UsbCommand c = {CMD_DOWNLOADED_SIM_SAMPLES_125K, {0, 0, 0}};
memset(c.d.asBytes, cmd.arg[2], 48);
for(i = 0; i < 22; i++) {
c.arg[0] = i*48;
clearCommandBuffer();
SendCommand(&c);
WaitForResponse(CMD_ACK, NULL);
}
clearCommandBuffer();
SendCommand(&cmd);
return 0;
}
void static calc4(uint8_t *cmd, uint8_t len){
crc_t crc;
//crc_init_ref(&crc, 4, 0x19 >> 1, 0x5, 0, TRUE, TRUE);
@ -898,6 +901,34 @@ int legic_get_type(legic_card_select_t *card){
memcpy(card, (legic_card_select_t *)resp.d.asBytes, sizeof(legic_card_select_t));
return 0;
}
void legic_chk_iv(uint32_t *iv){
if ( (*iv & 0x7F) != *iv ){
*iv &= 0x7F;
PrintAndLog("Truncating IV to 7bits, %u", *iv);
}
// IV must be odd
if ( (*iv & 1) == 0 ){
*iv |= 0x01;
PrintAndLog("LSB of IV must be SET %u", *iv);
}
}
void legic_seteml(uint8_t *src, uint32_t offset, uint32_t numofbytes) {
size_t len = 0;
UsbCommand c = {CMD_LEGIC_ESET, {0, 0, 0}};
for(size_t i = 0; i < numofbytes; i += USB_CMD_DATA_SIZE) {
len = MIN((numofbytes - i), USB_CMD_DATA_SIZE);
c.arg[0] = i; // offset
c.arg[1] = len; // number of bytes
memcpy(c.d.asBytes, src, len);
clearCommandBuffer();
SendCommand(&c);
PrintAndLog("ICE: offset %d | len %d", i, len);
}
}
int HFLegicReader(const char *Cmd, bool verbose) {
@ -925,7 +956,7 @@ int CmdLegicReader(const char *Cmd){
int CmdLegicDump(const char *Cmd){
FILE *fout;
FILE *f;
char filename[FILE_PATH_SIZE] = {0x00};
char *fnameptr = filename;
size_t fileNlen = 0;
@ -933,24 +964,26 @@ int CmdLegicDump(const char *Cmd){
uint16_t dumplen;
uint8_t cmdp = 0;
while(param_getchar(Cmd, cmdp) != 0x00)
{
switch(param_getchar(Cmd, cmdp))
{
case 'h':
case 'H':
return usage_legic_dump();
case 'o':
case 'O':
fileNlen = param_getstr(Cmd, cmdp+1, filename);
if (!fileNlen) errors = true;
if (fileNlen > FILE_PATH_SIZE-5) fileNlen = FILE_PATH_SIZE-5;
cmdp += 2;
break;
default:
PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
errors = true;
break;
memset(filename, 0, sizeof(filename));
while(param_getchar(Cmd, cmdp) != 0x00) {
switch(param_getchar(Cmd, cmdp)) {
case 'h':
case 'H':
return usage_legic_dump();
case 'o':
case 'O':
fileNlen = param_getstr(Cmd, cmdp+1, filename);
if (!fileNlen)
errors = true;
if (fileNlen > FILE_PATH_SIZE-5)
fileNlen = FILE_PATH_SIZE-5;
cmdp += 2;
break;
default:
PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
errors = true;
break;
}
if(errors) break;
}
@ -986,7 +1019,7 @@ int CmdLegicDump(const char *Cmd){
uint16_t readlen = resp.arg[1];
uint8_t *data = malloc(readlen);
if ( !data ){
if (!data) {
PrintAndLog("Fail, cannot allocate memory");
return 3;
}
@ -998,7 +1031,7 @@ int CmdLegicDump(const char *Cmd){
GetEMLFromBigBuf(data, readlen, 0);
if ( !WaitForResponseTimeout(CMD_ACK, NULL, 2500)) {
PrintAndLog("Fail, transfer from device time-out");
if ( data ) free(data);
free(data);
return 4;
}
@ -1008,18 +1041,140 @@ int CmdLegicDump(const char *Cmd){
else
sprintf(fnameptr + fileNlen,".bin");
if ((fout = fopen(filename,"wb")) == NULL) {
if ((f = fopen(filename,"wb")) == NULL) {
PrintAndLog("Could not create file name %s", filename);
if ( data ) free(data);
if (data)
free(data);
return 5;
}
fwrite( data, 1, readlen, fout );
fclose(fout);
if ( data ) free(data);
fwrite(data, 1, readlen, f);
fclose(f);
free(data);
PrintAndLog("Wrote %d bytes to %s", readlen, filename);
return 0;
}
int CmdLegicELoad(const char *Cmd) {
FILE * f;
char filename[FILE_PATH_SIZE];
char *fnameptr = filename;
int len, numofbytes;
int nameParamNo = 1;
char cmdp = param_getchar(Cmd, 0);
if ( cmdp == 'h' || cmdp == 'H' || cmdp == 0x00)
return usage_legic_eload();
switch (cmdp) {
case '0' : numofbytes = 22; break;
case '1' :
case '\0': numofbytes = 256; break;
case '2' : numofbytes = 1024; break;
default : numofbytes = 256; nameParamNo = 0;break;
}
// set up buffer
uint8_t *data = malloc(numofbytes);
if (!data) {
PrintAndLog("Fail, cannot allocate memory");
return 3;
}
memset(data, 0, numofbytes);
// set up file
len = param_getstr(Cmd, nameParamNo, filename);
if (len > FILE_PATH_SIZE - 5)
len = FILE_PATH_SIZE - 5;
fnameptr += len;
sprintf(fnameptr, ".bin");
// open file
if ((f = fopen(filename,"rb")) == NULL) {
PrintAndLog("File %s not found or locked", filename);
free(data);
return 1;
}
// load file
size_t bytes_read = fread(data, 1, numofbytes, f);
if ( bytes_read == 0){
PrintAndLog("File reading error");
free(data);
fclose(f);
return 2;
}
fclose(f);
// transfer to device
legic_seteml(data, 0, numofbytes);
free(data);
PrintAndLog("\nLoaded %d bytes from file: %s to emulator memory", numofbytes, filename);
return 0;
}
int CmdLegicESave(const char *Cmd) {
FILE *f;
char filename[FILE_PATH_SIZE];
char *fnameptr = filename;
int fileNlen, numofbytes, nameParamNo = 1;
memset(filename, 0, sizeof(filename));
char cmdp = param_getchar(Cmd, 0);
if ( cmdp == 'h' || cmdp == 'H' || cmdp == 0x00)
return usage_legic_esave();
switch (cmdp) {
case '0' : numofbytes = 22; break;
case '1' :
case '\0': numofbytes = 256; break;
case '2' : numofbytes = 1024; break;
default : numofbytes = 256; nameParamNo = 0; break;
}
fileNlen = param_getstr(Cmd, nameParamNo, filename);
if (fileNlen > FILE_PATH_SIZE - 5)
fileNlen = FILE_PATH_SIZE - 5;
// set up buffer
uint8_t *data = malloc(numofbytes);
if (!data) {
PrintAndLog("Fail, cannot allocate memory");
return 3;
}
memset(data, 0, numofbytes);
// download emulator memory
PrintAndLog("Reading emulator memory...");
GetEMLFromBigBuf(data, numofbytes, 0);
if ( !WaitForResponseTimeout(CMD_ACK, NULL, 2500)) {
PrintAndLog("Fail, transfer from device time-out");
free(data);
return 4;
}
// user supplied filename?
if (fileNlen < 1)
sprintf(fnameptr,"%02X%02X%02X%02X.bin", data[0], data[1], data[2], data[3]);
else
sprintf(fnameptr + fileNlen,".bin");
// open file
if ((f = fopen(filename,"wb")) == NULL) {
PrintAndLog("Could not create file name %s", filename);
free(data);
return 1;
}
fwrite(data, 1, numofbytes, f);
fclose(f);
free(data);
PrintAndLog("\nSaved %d bytes from emulator memory to file: %s", numofbytes, filename);
return 0;
}
static command_t CommandTable[] = {
{"help", CmdHelp, 1, "This help"},
@ -1031,9 +1186,9 @@ static command_t CommandTable[] = {
{"load", CmdLegicLoad, 0, "<filename> -- Restore samples"},
{"sim", CmdLegicRfSim, 0, "[phase drift [frame drift [req/resp drift]]] Start tag simulator (use after load or read)"},
{"write", CmdLegicRfWrite, 0, "<offset> <length> <iv> -- Write sample buffer (user after load or read)"},
{"writeraw",CmdLegicRfRawWrite, 0, "<address> <value> <iv> -- Write direct to address"},
{"fill", CmdLegicRfFill, 0, "<offset> <length> <value> -- Fill/Write tag with constant value"},
{"crc8", CmdLegicCalcCrc8, 1, "Calculate Legic CRC8 over given hexbytes"},
{"crc8", CmdLegicCalcCrc8, 1, "Calculate Legic CRC8 over given hexbytes"},
{"eload", CmdLegicELoad, 1, "Load binary dump to emulator memory"},
{"esave", CmdLegicESave, 1, "Save emulator memory to binary file"},
{NULL, NULL, 0, NULL}
};

7
client/cmdhflegic.h
View file

@ -32,14 +32,18 @@ int CmdLegicSave(const char *Cmd);
int CmdLegicRfSim(const char *Cmd);
int CmdLegicRfWrite(const char *Cmd);
int CmdLegicRfRawWrite(const char *Cmd);
int CmdLegicRfFill(const char *Cmd);
int CmdLegicCalcCrc8(const char *Cmd);
int CmdLegicDump(const char *Cmd);
int CmdLegicReader(const char *Cmd);
int CmdLegicELoad(const char *Cmd);
int CmdLegicESave(const char *Cmd);
int HFLegicReader(const char *Cmd, bool verbose);
int legic_print_type(uint32_t tagtype, uint8_t spaces);
int legic_get_type(legic_card_select_t *card);
void legic_chk_iv(uint32_t *iv);
void legic_seteml(uint8_t *src, uint32_t offset, uint32_t numofbytes);
int usage_legic_calccrc8(void);
int usage_legic_load(void);
@ -47,7 +51,6 @@ int usage_legic_rdmem(void);
int usage_legic_sim(void);
int usage_legic_write(void);
int usage_legic_rawwrite(void);
int usage_legic_fill(void);
int usage_legic_reader(void);
int usage_legic_info(void);
int usage_legic_dump(void);

2
client/hid-flasher/usb_cmd.h
View file

@ -138,6 +138,8 @@ typedef struct {
#define CMD_EPA_PACE_REPLAY 0x038B
#define CMD_LEGIC_INFO 0x03BC
#define CMD_LEGIC_ESET 0x03BD
#define CMD_LEGIC_EGET 0x03BE
#define CMD_SNOOP_ICLASS 0x0392
#define CMD_SIMULATE_TAG_ICLASS 0x0393

5
client/lualibs/commands.lua
View file

@ -104,7 +104,10 @@ local _commands = {
CMD_EPA_PACE_REPLAY = 0x038B,
CMD_LEGIC_INFO = 0x03BC,
CMD_LEGIC_ESET = 0x03BD,
CMD_LEGIC_EGET = 0x03BE,
CMD_ICLASS_READCHECK = 0x038F,
CMD_ICLASS_CLONE = 0x0390,
CMD_ICLASS_DUMP = 0x0391,

2
include/usb_cmd.h
View file

@ -147,6 +147,8 @@ typedef struct{
#define CMD_EPA_PACE_REPLAY 0x038B
#define CMD_LEGIC_INFO 0x03BC
#define CMD_LEGIC_ESET 0x03BD
#define CMD_LEGIC_EGET 0x03BE
#define CMD_ICLASS_READCHECK 0x038F
#define CMD_ICLASS_CLONE 0x0390