FIX: wrong varname, Good catch of @jamchamb https://github.com/Proxmark/proxmark3...

[proxmark3-svn] / armsrc / mifarecmd.c

diff --git a/armsrc/mifarecmd.c b/armsrc/mifarecmd.c
index c18aba08d3a61d569f97939c311101990b920036..c05ba6fd363b802c611f5be0fec4f819f7388a5f 100644 (file)
--- a/armsrc/mifarecmd.c
+++ b/armsrc/mifarecmd.c
@@ -4,7 +4,7 @@
 // Hagen Fritsch - June 2010\r
 // Midnitesnake - Dec 2013\r
 // Andy Davies  - Apr 2014\r
-// Iceman - May 2014\r
+// Iceman - May 2014,2015,2016\r
 //\r
 // This code is licensed to you under the terms of the GNU GPL, version 2 or,\r
 // at your option, any later version. See the LICENSE.txt file for the text of\r
@@ -14,11 +14,6 @@
 //-----------------------------------------------------------------------------\r
 \r
 #include "mifarecmd.h"\r
-#include "apps.h"\r
-#include "util.h"\r
-#include "crc.h"\r
-#include "protocols.h"\r
-#include "parity.h"\r
 \r
 //-----------------------------------------------------------------------------\r
 // Select, Authenticate, Read a MIFARE tag. \r
@@ -75,7 +70,6 @@ void MifareReadBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
                break;\r
        }\r
        \r
-       //  ----------------------------- crypto1 destroy\r
        crypto1_destroy(pcs);\r
        \r
        if (MF_DBGLEVEL >= 2)   DbpString("READ BLOCK FINISHED");\r
@@ -235,18 +229,17 @@ void MifareReadSector(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
                if (MF_DBGLEVEL >= 1)   Dbprintf("Halt error");\r
        }\r
 \r
-       //  ----------------------------- crypto1 destroy\r
-       crypto1_destroy(pcs);\r
-       \r
        if (MF_DBGLEVEL >= 2) DbpString("READ SECTOR FINISHED");\r
 \r
+       crypto1_destroy(pcs);\r
+\r
        LED_B_ON();\r
        cmd_send(CMD_ACK,isOK,0,0,dataoutbuf,16*NumBlocksPerSector(sectorNo));\r
        LED_B_OFF();\r
 \r
-       // Thats it...\r
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
        LEDsoff();\r
+       set_tracing(FALSE);\r
 }\r
 \r
 // arg0 = blockNo (start)\r
@@ -345,6 +338,7 @@ void MifareUReadCard(uint8_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain)
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
        LEDsoff();\r
        BigBuf_free();\r
+       set_tracing(FALSE);\r
 }\r
 \r
 //-----------------------------------------------------------------------------\r
@@ -380,7 +374,7 @@ void MifareWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
        LED_C_OFF();\r
 \r
        while (true) {\r
-                       if(!iso14443a_select_card(uid, NULL, &cuid, true, 0)) {\r
+               if(!iso14443a_select_card(uid, NULL, &cuid, true, 0)) {\r
                        if (MF_DBGLEVEL >= 1)   Dbprintf("Can't select card");\r
                        break;\r
                };\r
@@ -404,19 +398,15 @@ void MifareWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
                break;\r
        }\r
        \r
-       //  ----------------------------- crypto1 destroy\r
        crypto1_destroy(pcs);\r
        \r
        if (MF_DBGLEVEL >= 2)   DbpString("WRITE BLOCK FINISHED");\r
 \r
-       LED_B_ON();\r
        cmd_send(CMD_ACK,isOK,0,0,0,0);\r
-       LED_B_OFF();\r
 \r
-\r
-       // Thats it...\r
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
        LEDsoff();\r
+       set_tracing(FALSE);\r
 }\r
 \r
 /* // Command not needed but left for future testing \r
@@ -527,6 +517,7 @@ void MifareUWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain)
        cmd_send(CMD_ACK,1,0,0,0,0);\r
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
        LEDsoff();\r
+       set_tracing(FALSE);\r
 }\r
 \r
 void MifareUSetPwd(uint8_t arg0, uint8_t *datain){\r
@@ -597,6 +588,7 @@ void MifareUSetPwd(uint8_t arg0, uint8_t *datain){
        cmd_send(CMD_ACK,1,0,0,0,0);\r
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
        LEDsoff();\r
+       set_tracing(FALSE);\r
 }\r
 \r
 // Return 1 if the nonce is invalid else return 0\r
@@ -613,7 +605,7 @@ int valid_nonce(uint32_t Nt, uint32_t NtEnc, uint32_t Ks1, uint8_t *parity) {
 // Mifare Classic Cards" in Proceedings of the 22nd ACM SIGSAC Conference on \r
 // Computer and Communications Security, 2015\r
 //-----------------------------------------------------------------------------\r
-#define AUTHENTICATION_TIMEOUT 848                     // card times out 1ms after wrong authentication (according to NXP documentation)\r
+#define AUTHENTICATION_TIMEOUT  848 //848                      // card times out 1ms after wrong authentication (according to NXP documentation)\r
 #define PRE_AUTHENTICATION_LEADTIME 400                // some (non standard) cards need a pause after select before they are ready for first authentication \r
 \r
 void MifareAcquireEncryptedNonces(uint32_t arg0, uint32_t arg1, uint32_t flags, uint8_t *datain)\r
@@ -644,14 +636,17 @@ void MifareAcquireEncryptedNonces(uint32_t arg0, uint32_t arg1, uint32_t flags,
        LED_A_ON();\r
        LED_C_OFF();\r
 \r
+       BigBuf_free(); BigBuf_Clear_ext(false); \r
+       clear_trace();\r
+       set_tracing(FALSE);\r
+       \r
        if (initialize) {\r
                iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);\r
-               clear_trace();\r
-               set_tracing(true);\r
        }\r
        \r
        LED_C_ON();\r
        \r
+       uint8_t dummy_answer = 0;       \r
        uint16_t num_nonces = 0;\r
        bool have_uid = false;\r
        for (uint16_t i = 0; i <= USB_CMD_DATA_SIZE - 9; ) {\r
@@ -702,7 +697,6 @@ void MifareAcquireEncryptedNonces(uint32_t arg0, uint32_t arg1, uint32_t flags,
                }\r
        \r
                // send a dummy byte as reader response in order to trigger the cards authentication timeout\r
-               uint8_t dummy_answer = 0;\r
                ReaderTransmit(&dummy_answer, 1, NULL);\r
                timeout = GetCountSspClk() + AUTHENTICATION_TIMEOUT;\r
                \r
@@ -711,21 +705,17 @@ void MifareAcquireEncryptedNonces(uint32_t arg0, uint32_t arg1, uint32_t flags,
                        memcpy(buf+i, receivedAnswer, 4);\r
                        nt_par_enc = par_enc[0] & 0xf0;\r
                } else {\r
-                       nt_par_enc |= par_enc[0] >> 4;\r
+                       nt_par_enc |= par_enc[0]  >> 4;\r
                        memcpy(buf+i+4, receivedAnswer, 4);\r
                        memcpy(buf+i+8, &nt_par_enc, 1);\r
                        i += 9;\r
                }\r
-\r
                // wait for the card to become ready again\r
-               while(GetCountSspClk() < timeout);\r
-       \r
+               while(GetCountSspClk() < timeout);      \r
        }\r
 \r
        LED_C_OFF();\r
-       \r
-       crypto1_destroy(pcs);\r
-       \r
+       crypto1_destroy(pcs);   \r
        LED_B_ON();\r
        cmd_send(CMD_ACK, isOK, cuid, num_nonces, buf, sizeof(buf));\r
        LED_B_OFF();\r
@@ -735,6 +725,7 @@ void MifareAcquireEncryptedNonces(uint32_t arg0, uint32_t arg1, uint32_t flags,
        if (field_off) {\r
                FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
                LEDsoff();\r
+               set_tracing(FALSE);\r
        }\r
 }\r
 \r
@@ -940,7 +931,6 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat
 \r
        LED_C_OFF();\r
        \r
-       //  ----------------------------- crypto1 destroy\r
        crypto1_destroy(pcs);\r
        \r
        byte_t buf[4 + 4 * 4] = {0};\r
@@ -1222,10 +1212,9 @@ void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint8_t *datain){
                        if(!iso14443a_select_card(uid, NULL, &cuid, true, 0)) {\r
                                if (MF_DBGLEVEL >= MF_DBG_ERROR)        Dbprintf("Can't select card");\r
                                errormsg = MAGIC_UID;\r
-                               // break;\r
                        }\r
-                       \r
-                       if ( mifare_classic_halt_ex(NULL) ) break;\r
+                       mifare_classic_halt_ex(NULL);\r
+                       break;\r
                }\r
        \r
                // wipe tag, fill it with zeros\r
@@ -1244,7 +1233,7 @@ void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint8_t *datain){
                                break;\r
                        }\r
 \r
-                       if ( mifare_classic_halt_ex(NULL) ) break;\r
+                       mifare_classic_halt_ex(NULL);\r
                }       \r
 \r
                // write block\r
@@ -1281,7 +1270,7 @@ void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint8_t *datain){
                }       \r
        \r
                if (workFlags & MAGIC_OFF) \r
-                       if ( mifare_classic_halt_ex(NULL) ) break;\r
+                       mifare_classic_halt_ex(NULL);\r
                \r
                isOK = true;\r
                break;\r
@@ -1400,16 +1389,10 @@ void OnErrorMagic(uint8_t reason){
        cmd_send(CMD_ACK,0,reason,0,0,0);\r
        OnSuccessMagic();\r
 }\r
-\r
-void MifareCollectNonces(uint32_t arg0, uint32_t arg1){\r
-}\r
-\r
 //\r
 // DESFIRE\r
 //\r
-\r
 void Mifare_DES_Auth1(uint8_t arg0, uint8_t *datain){\r
-\r
        byte_t dataout[12] = {0x00};\r
        uint8_t uid[10] = {0x00};\r
        uint32_t cuid = 0;\r
@@ -1432,11 +1415,10 @@ void Mifare_DES_Auth1(uint8_t arg0, uint8_t *datain){
        }\r
 \r
        if (MF_DBGLEVEL >= MF_DBG_EXTENDED) DbpString("AUTH 1 FINISHED");\r
-    cmd_send(CMD_ACK,1,cuid,0,dataout, sizeof(dataout));\r
+    cmd_send(CMD_ACK, 1, cuid, 0, dataout, sizeof(dataout));\r
 }\r
 \r
 void Mifare_DES_Auth2(uint32_t arg0, uint8_t *datain){\r
-\r
        uint32_t cuid = arg0;\r
        uint8_t key[16] = {0x00};\r
        byte_t dataout[12] = {0x00};\r
@@ -1457,4 +1439,5 @@ void Mifare_DES_Auth2(uint32_t arg0, uint8_t *datain){
        cmd_send(CMD_ACK, isOK, 0, 0, dataout, sizeof(dataout));\r
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r
        LEDsoff();\r
+       set_tracing(FALSE);\r
 }
\ No newline at end of file