#include "mifarecmd.h"\r
#include "apps.h"\r
#include "util.h"\r
-\r
#include "crc.h"\r
\r
// the block number for the ISO14443-4 PCB\r
// Deselect card by sending a s-block. the crc is precalced for speed\r
static uint8_t deselect_cmd[] = {0xc2,0xe0,0xb4};\r
\r
-\r
//-----------------------------------------------------------------------------\r
// Select, Authenticate, Read a MIFARE tag. \r
// read block\r
return;\r
};\r
\r
- if(mifare_ultra_auth(keybytes) == 1){\r
+ if(!mifare_ultra_auth(keybytes)){\r
if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Authentication failed");\r
OnError(1);\r
return;\r
}\r
- cmd_send(CMD_ACK,1,0,0,0,0);\r
\r
if (turnOffField) {\r
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
LEDsoff();\r
}\r
+ cmd_send(CMD_ACK,1,0,0,0,0);\r
}\r
\r
// Arg0 = BlockNo,\r
uint8_t key[16] = {0x00};\r
memcpy(key, datain, sizeof(key) );\r
\r
- if ( mifare_ultra_auth(key) == 1 ) {\r
+ if ( !mifare_ultra_auth(key) ) {\r
OnError(1);\r
return;\r
}\r
uint8_t pwd[4] = {0x00};\r
memcpy(pwd, datain, 4);\r
uint8_t pack[4] = {0,0,0,0};\r
- if (mifare_ul_ev1_auth(pwd, pack) == 1) {\r
+ if (!mifare_ul_ev1_auth(pwd, pack)) {\r
OnError(1);\r
return;\r
}\r
LEDsoff();\r
}\r
\r
+// arg0 = blockNo (start)\r
+// arg1 = Pages (number of blocks)\r
+// arg2 = useKey\r
+// datain = KEY bytes\r
void MifareUReadCard(uint8_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain)\r
{\r
+ // free eventually allocated BigBuf memory\r
+ BigBuf_free();\r
+ // clear trace\r
+ clear_trace();\r
+\r
// params\r
uint8_t blockNo = arg0;\r
uint16_t blocks = arg1;\r
bool useKey = (arg2 == 1); //UL_C\r
bool usePwd = (arg2 == 2); //UL_EV1/NTAG\r
- int countblocks = 0;\r
- uint8_t dataout[176] = {0x00};\r
+ uint32_t countblocks = 0;\r
+ uint8_t *dataout = BigBuf_malloc(CARD_MEMORY_SIZE);\r
+ if (dataout == NULL){\r
+ Dbprintf("out of memory");\r
+ OnError(1);\r
+ return;\r
+ }\r
\r
LEDsoff();\r
LED_A_ON();\r
- clear_trace();\r
iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
\r
int len = iso14443a_select_card(NULL, NULL, NULL);\r
uint8_t key[16] = {0x00};\r
memcpy(key, datain, sizeof(key) );\r
\r
- if ( mifare_ultra_auth(key) == 1 ) {\r
+ if ( !mifare_ultra_auth(key) ) {\r
OnError(1);\r
return;\r
}\r
memcpy(pwd, datain, sizeof(pwd));\r
uint8_t pack[4] = {0,0,0,0};\r
\r
- if (mifare_ul_ev1_auth(pwd, pack) == 1){\r
+ if (!mifare_ul_ev1_auth(pwd, pack)){\r
OnError(1);\r
return; \r
}\r
}\r
\r
for (int i = 0; i < blocks; i++){\r
- len = mifare_ultra_readblock(blockNo * 4 + i, dataout + 4 * i);\r
+ if ((i*4) + 4 >= CARD_MEMORY_SIZE) {\r
+ Dbprintf("Data exceeds buffer!!");\r
+ break;\r
+ }\r
+ \r
+ len = mifare_ultra_readblock(blockNo + i, dataout + 4 * i);\r
\r
if (len) {\r
if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Read block %d error",i);\r
- OnError(2);\r
- return;\r
+ // if no blocks read - error out\r
+ if (i==0){\r
+ OnError(2);\r
+ return;\r
+ } else {\r
+ //stop at last successful read block and return what we got\r
+ break;\r
+ }\r
} else {\r
countblocks++;\r
}\r
\r
if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("Blocks read %d", countblocks);\r
\r
- len = blocks * 4;\r
+ countblocks *= 4;\r
\r
- cmd_send(CMD_ACK, 1, len, 0, dataout, len); \r
+ cmd_send(CMD_ACK, 1, countblocks, BigBuf_max_traceLen(), 0, 0);\r
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
LEDsoff();\r
+ BigBuf_free();\r
}\r
\r
//-----------------------------------------------------------------------------\r
LEDsoff();\r
}\r
\r
-void MifareUWriteBlock_Special(uint8_t arg0, uint8_t *datain)\r
+// Arg0 : Block to write to.\r
+// Arg1 : 0 = use no authentication.\r
+// 1 = use 0x1A authentication.\r
+// 2 = use 0x1B authentication.\r
+// datain : 4 first bytes is data to be written.\r
+// : 4/16 next bytes is authentication key.\r
+void MifareUWriteBlock_Special(uint8_t arg0, uint8_t arg1, uint8_t *datain)\r
{\r
uint8_t blockNo = arg0;\r
+ bool useKey = (arg1 == 1); //UL_C\r
+ bool usePwd = (arg1 == 2); //UL_EV1/NTAG\r
byte_t blockdata[4] = {0x00};\r
\r
memcpy(blockdata, datain,4);\r
return;\r
};\r
\r
+ // UL-C authentication\r
+ if ( useKey ) {\r
+ uint8_t key[16] = {0x00};\r
+ memcpy(key, datain+4, sizeof(key) );\r
+\r
+ if ( !mifare_ultra_auth(key) ) {\r
+ OnError(1);\r
+ return;\r
+ }\r
+ }\r
+ \r
+ // UL-EV1 / NTAG authentication\r
+ if (usePwd) {\r
+ uint8_t pwd[4] = {0x00};\r
+ memcpy(pwd, datain+4, 4);\r
+ uint8_t pack[4] = {0,0,0,0};\r
+ if (!mifare_ul_ev1_auth(pwd, pack)) {\r
+ OnError(1);\r
+ return;\r
+ }\r
+ }\r
+\r
if(mifare_ultra_special_writeblock(blockNo, blockdata)) {\r
if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
OnError(0);\r