fixing scripts/tnp3.lua

[proxmark3-svn] / armsrc / iso14443a.c

diff --git a/armsrc/iso14443a.c b/armsrc/iso14443a.c
index bb73d5b7b4515b4754075f9b32d9f31a05bc58da..6fe83c6e672cede74bad42d286f1e8fccf0f1b4a 100644 (file)
--- a/armsrc/iso14443a.c
+++ b/armsrc/iso14443a.c
@@ -10,13 +10,12 @@
 // Routines to support ISO 14443 type A.
 //-----------------------------------------------------------------------------
 
-#include "proxmark3.h"
+#include "../include/proxmark3.h"
 #include "apps.h"
 #include "util.h"
 #include "string.h"
-#include "cmd.h"
-
-#include "iso14443crc.h"
+#include "../common/cmd.h"
+#include "../common/iso14443crc.h"
 #include "iso14443a.h"
 #include "crapto1.h"
 #include "mifareutil.h"
@@ -1206,13 +1205,6 @@ static void TransmitFor14443a(const uint8_t *cmd, int len, uint32_t *timing)
        // clear TXRDY
        AT91C_BASE_SSC->SSC_THR = SEC_Y;
 
-       // for(uint16_t c = 0; c < 10;) {       // standard delay for each transfer (allow tag to be ready after last transmission)
-               // if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY)) {
-                       // AT91C_BASE_SSC->SSC_THR = SEC_Y;     
-                       // c++;
-               // }
-       // }
-
        uint16_t c = 0;
        for(;;) {
                if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY)) {
@@ -1224,8 +1216,7 @@ static void TransmitFor14443a(const uint8_t *cmd, int len, uint32_t *timing)
                }
        }
        
-       NextTransferTime = MAX(NextTransferTime, LastTimeProxToAirStart + REQUEST_GUARD_TIME);
-       
+       NextTransferTime = MAX(NextTransferTime, LastTimeProxToAirStart + REQUEST_GUARD_TIME);  
 }
 
 
@@ -1726,7 +1717,13 @@ int iso14443a_select_card(byte_t* uid_ptr, iso14a_card_select_t* p_hi14a_card, u
     if ((sak & 0x04) /* && uid_resp[0] == 0x88 */) {
       // Remove first byte, 0x88 is not an UID byte, it CT, see page 3 of:
       // http://www.nxp.com/documents/application_note/AN10927.pdf
-      memcpy(uid_resp, uid_resp + 1, 3);
+      // This was earlier:
+         //memcpy(uid_resp, uid_resp + 1, 3);
+         // But memcpy should not be used for overlapping arrays,
+         // and memmove appears to not be available in the arm build.
+         // So this has been replaced with a for-loop:
+         for(int xx = 0; xx < 3; xx++) 
+            uid_resp[xx] = uid_resp[xx+1];
       uid_resp_len = 3;
     }
 
@@ -1787,7 +1784,7 @@ void iso14443a_setup(uint8_t fpga_minor_mode) {
        DemodReset();
        UartReset();
        NextTransferTime = 2*DELAY_ARM2AIR_AS_READER;
-       iso14a_set_timeout(1050); // 10ms default
+       iso14a_set_timeout(1050); // 10ms default  10*105 = 
 }
 
 int iso14_apdu(uint8_t * cmd, size_t cmd_len, void * data) {
@@ -1825,8 +1822,8 @@ void ReaderIso14443a(UsbCommand *c)
 {
        iso14a_command_t param = c->arg[0];
        uint8_t *cmd = c->d.asBytes;
-       size_t len = c->arg[1];
-       size_t lenbits = c->arg[2];
+       size_t len = c->arg[1] & 0xFFFF;
+       size_t lenbits = c->arg[1] >> 16;
        uint32_t arg0 = 0;
        byte_t buf[USB_CMD_DATA_SIZE];
   
@@ -1850,7 +1847,7 @@ void ReaderIso14443a(UsbCommand *c)
        }
 
        if(param & ISO14A_SET_TIMEOUT) {
-               iso14a_timeout = c->arg[2];
+               iso14a_set_timeout(c->arg[2]);
        }
 
        if(param & ISO14A_APDU) {
@@ -1862,9 +1859,10 @@ void ReaderIso14443a(UsbCommand *c)
                if(param & ISO14A_APPEND_CRC) {
                        AppendCrc14443a(cmd,len);
                        len += 2;
-                       if (lenbits) lenbits += 16;
+                       lenbits += 16; 
                }
                if(lenbits>0) {
+
                        ReaderTransmitBitsPar(cmd,lenbits,GetParity(cmd,lenbits/8), NULL);
                } else {
                        ReaderTransmit(cmd,len, NULL);
@@ -1936,7 +1934,8 @@ void ReaderMifare(bool first_try)
        uint8_t uid[10];
        uint32_t cuid;
 
-       uint32_t nt, previous_nt;
+       uint32_t nt = 0;
+       uint32_t previous_nt = 0;
        static uint32_t nt_attacked = 0;
        byte_t par_list[8] = {0,0,0,0,0,0,0,0};
        byte_t ks_list[8] = {0,0,0,0,0,0,0,0};
@@ -2206,12 +2205,9 @@ void Mifare1ksim(uint8_t flags, uint8_t exitAfterNReads, uint8_t arg2, uint8_t *
 
        if (MF_DBGLEVEL >= 1)   {
                if (!_7BUID) {
-                       Dbprintf("4B UID: %02x%02x%02x%02x", 
-                               rUIDBCC1[0], rUIDBCC1[1], rUIDBCC1[2], rUIDBCC1[3]);
+                       Dbprintf("4B UID: %02x%02x%02x%02x",rUIDBCC1[0] , rUIDBCC1[1] , rUIDBCC1[2] , rUIDBCC1[3]);
                } else {
-                       Dbprintf("7B UID: (%02x)%02x%02x%02x%02x%02x%02x%02x",
-                               rUIDBCC1[0], rUIDBCC1[1], rUIDBCC1[2], rUIDBCC1[3],
-                               rUIDBCC2[0], rUIDBCC2[1] ,rUIDBCC2[2], rUIDBCC2[3]);
+                       Dbprintf("7B UID: (%02x)%02x%02x%02x%02x%02x%02x%02x",rUIDBCC1[0] , rUIDBCC1[1] , rUIDBCC1[2] , rUIDBCC1[3],rUIDBCC2[0],rUIDBCC2[1] ,rUIDBCC2[2] , rUIDBCC2[3]);
                }
        }
 
@@ -2279,7 +2275,7 @@ void Mifare1ksim(uint8_t flags, uint8_t exitAfterNReads, uint8_t arg2, uint8_t *
                                // select card
                                if (len == 9 && 
                                                (receivedCmd[0] == 0x93 && receivedCmd[1] == 0x70 && memcmp(&receivedCmd[2], rUIDBCC1, 4) == 0)) {
-                                       EmSendCmd(_7BUID?rSAK1:rSAK, sizeof(_7BUID?rSAK1:rSAK));
+                                       EmSendCmd(_7BUID?rSAK1:rSAK, _7BUID?sizeof(rSAK1):sizeof(rSAK));
                                        cuid = bytes_to_num(rUIDBCC1, 4);
                                        if (!_7BUID) {
                                                cardSTATE = MFEMUL_WORK;
@@ -2321,9 +2317,7 @@ void Mifare1ksim(uint8_t flags, uint8_t exitAfterNReads, uint8_t arg2, uint8_t *
 
                                // test if auth OK
                                if (cardRr != prng_successor(nonce, 64)){
-                                       if (MF_DBGLEVEL >= 2) Dbprintf("AUTH FAILED for sector %d with key %c. cardRr=%08x, succ=%08x",
-                                                       cardAUTHSC, cardAUTHKEY == 0 ? 'A' : 'B',
-                                                       cardRr, prng_successor(nonce, 64));
+                                       if (MF_DBGLEVEL >= 2)   Dbprintf("AUTH FAILED. cardRr=%08x, succ=%08x",cardRr, prng_successor(nonce, 64));
                                        // Shouldn't we respond anything here?
                                        // Right now, we don't nack or anything, which causes the
                                        // reader to do a WUPA after a while. /Martin