Merge pull request #109 from pwpiwi/image_shrink

[proxmark3-svn] / armsrc / mifarecmd.c

diff --git a/armsrc/mifarecmd.c b/armsrc/mifarecmd.c
index 0586a25db1b8882678ca3bd3080bcb37437d9293..939c90028796ef823e0e0c3d5acfbd841cf4f48f 100644 (file)
--- a/armsrc/mifarecmd.c
+++ b/armsrc/mifarecmd.c
@@ -16,7 +16,6 @@
 #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
@@ -24,7 +23,6 @@ uint8_t pcb_blocknum = 0;
 // 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
@@ -248,11 +246,14 @@ void MifareReadSector(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
        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
@@ -303,7 +304,7 @@ void MifareUReadCard(uint8_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain)
        }\r
 \r
        for (int i = 0; i < blocks; i++){\r
-               if ((i*4) + 4 > CARD_MEMORY_SIZE) {\r
+               if ((i*4) + 4 >= CARD_MEMORY_SIZE) {\r
                        Dbprintf("Data exceeds buffer!!");\r
                        break;\r
                }\r
@@ -335,9 +336,11 @@ void MifareUReadCard(uint8_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain)
        if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("Blocks read %d", countblocks);\r
 \r
        countblocks *= 4;\r
-       cmd_send(CMD_ACK, 1, countblocks, countblocks, 0, 0);\r
+\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
@@ -412,7 +415,8 @@ void MifareWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
        LEDsoff();\r
 }\r
 \r
-void MifareUWriteBlock(uint8_t arg0, uint8_t *datain)\r
+/* // Command not needed but left for future testing \r
+void MifareUWriteBlockCompat(uint8_t arg0, uint8_t *datain)\r
 {\r
        uint8_t blockNo = arg0;\r
        byte_t blockdata[16] = {0x00};\r
@@ -432,7 +436,7 @@ void MifareUWriteBlock(uint8_t arg0, uint8_t *datain)
                return;\r
        };\r
 \r
-       if(mifare_ultra_writeblock(blockNo, blockdata)) {\r
+       if(mifare_ultra_writeblock_compat(blockNo, blockdata)) {\r
                if (MF_DBGLEVEL >= 1)   Dbprintf("Write block error");\r
                OnError(0);\r
                return; };\r
@@ -449,10 +453,19 @@ void MifareUWriteBlock(uint8_t arg0, uint8_t *datain)
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
        LEDsoff();\r
 }\r
-\r
-void MifareUWriteBlock_Special(uint8_t arg0, uint8_t *datain)\r
+*/\r
+\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(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
@@ -468,7 +481,29 @@ void MifareUWriteBlock_Special(uint8_t arg0, uint8_t *datain)
                return;\r
        };\r
 \r
-       if(mifare_ultra_special_writeblock(blockNo, blockdata)) {\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_writeblock(blockNo, blockdata)) {\r
                if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
                OnError(0);\r
                return;\r
@@ -508,7 +543,7 @@ void MifareUSetPwd(uint8_t arg0, uint8_t *datain){
        blockdata[1] = pwd[6];\r
        blockdata[2] = pwd[5];\r
        blockdata[3] = pwd[4];\r
-       if(mifare_ultra_special_writeblock( 44, blockdata)) {\r
+       if(mifare_ultra_writeblock( 44, blockdata)) {\r
                if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
                OnError(44);\r
                return;\r
@@ -518,7 +553,7 @@ void MifareUSetPwd(uint8_t arg0, uint8_t *datain){
        blockdata[1] = pwd[2];\r
        blockdata[2] = pwd[1];\r
        blockdata[3] = pwd[0];\r
-       if(mifare_ultra_special_writeblock( 45, blockdata)) {\r
+       if(mifare_ultra_writeblock( 45, blockdata)) {\r
                if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
                OnError(45);\r
                return;\r
@@ -528,7 +563,7 @@ void MifareUSetPwd(uint8_t arg0, uint8_t *datain){
        blockdata[1] = pwd[14];\r
        blockdata[2] = pwd[13];\r
        blockdata[3] = pwd[12];\r
-       if(mifare_ultra_special_writeblock( 46, blockdata)) {\r
+       if(mifare_ultra_writeblock( 46, blockdata)) {\r
                if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
                OnError(46);\r
                return;\r
@@ -538,7 +573,7 @@ void MifareUSetPwd(uint8_t arg0, uint8_t *datain){
        blockdata[1] = pwd[10];\r
        blockdata[2] = pwd[9];\r
        blockdata[3] = pwd[8];\r
-       if(mifare_ultra_special_writeblock( 47, blockdata)) {\r
+       if(mifare_ultra_writeblock( 47, blockdata)) {\r
                if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r
                OnError(47);\r
                return;\r
@@ -682,7 +717,7 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat
                LED_B_OFF();\r
        \r
        }\r
-//  -------------------------------------------------------------------------------------------------  \r
+       //  -------------------------------------------------------------------------------------------------   \r
        \r
        LED_C_ON();\r
 \r
@@ -711,7 +746,7 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat
 \r
                        // nested authentication\r
                        auth2_time = auth1_time + delta_time;\r
-                       len = mifare_sendcmd_shortex(pcs, AUTH_NESTED, 0x60 + (targetKeyType & 0x01), targetBlockNo, receivedAnswer, par, &auth2_time);\r
+                       len = mifare_sendcmd_short(pcs, AUTH_NESTED, 0x60 + (targetKeyType & 0x01), targetBlockNo, receivedAnswer, par, &auth2_time);\r
                        if (len != 4) {\r
                                if (MF_DBGLEVEL >= 1)   Dbprintf("Nested: Auth2 error len=%d", len);\r
                                continue;\r
@@ -1231,14 +1266,12 @@ void Mifare_DES_Auth2(uint32_t arg0, uint8_t *datain){
        isOK = mifare_desfire_des_auth2(cuid, key, dataout);\r
        \r
        if( isOK) {\r
-           if (MF_DBGLEVEL >= MF_DBG_EXTENDED) \r
-                       Dbprintf("Authentication part2: Failed");  \r
-               //OnError(4);\r
+               if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("Authentication part2: Failed");  \r
+               OnError(4);\r
                return;\r
        }\r
 \r
-       if (MF_DBGLEVEL >= MF_DBG_EXTENDED) \r
-               DbpString("AUTH 2 FINISHED");\r
+       if (MF_DBGLEVEL >= MF_DBG_EXTENDED) DbpString("AUTH 2 FINISHED");\r
 \r
        cmd_send(CMD_ACK, isOK, 0, 0, dataout, sizeof(dataout));\r
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r