Fix memory bounds error

[proxmark3-svn] / armsrc / iso14443a.h

diff --git a/armsrc/iso14443a.h b/armsrc/iso14443a.h
index c3051d4888f714f5b586da29242606103ebf28e3..8796edf5b8395a4cbe9811fd40d8012beefc39ca 100644 (file)
--- a/armsrc/iso14443a.h
+++ b/armsrc/iso14443a.h
@@ -12,89 +12,45 @@
 
 #ifndef __ISO14443A_H
 #define __ISO14443A_H
 
 #ifndef __ISO14443A_H
 #define __ISO14443A_H

-#include "common.h"
-#include "mifaresniff.h"

 
 

-// mifare reader                      over DMA buffer (SnoopIso14443a())!!!
-#define MIFARE_BUFF_OFFSET 3560  //              \/   \/   \/
-// card emulator memory
-#define EML_RESPONSES      4000
-#define CARD_MEMORY        6000
-#define CARD_MEMORY_LEN    4096
-
-typedef struct nestedVector { uint32_t nt, ks1; } nestedVector;
-
-typedef struct {
-       enum {
-               DEMOD_UNSYNCD,
-               DEMOD_START_OF_COMMUNICATION,
-               DEMOD_MANCHESTER_D,
-               DEMOD_MANCHESTER_E,
-               DEMOD_MANCHESTER_F,
-               DEMOD_ERROR_WAIT
-       }       state;
-       int     bitCount;
-       int     posCount;
-       int     syncBit;
-       int     parityBits;
-       uint16_t    shiftReg;
-       int     buffer;
-       int     buff;
-       int     samples;
-       int     len;
-       enum {
-               SUB_NONE,
-               SUB_FIRST_HALF,
-               SUB_SECOND_HALF
-       }               sub;
-       uint8_t   *output;
-} tDemod;
+#include <stdint.h>
+#include <stdbool.h>
+#include "usb_cmd.h"
+#include "mifare.h"

 
 typedef struct {
 
 typedef struct {

-       enum {
-               STATE_UNSYNCD,
-               STATE_START_OF_COMMUNICATION,
-               STATE_MILLER_X,
-               STATE_MILLER_Y,
-               STATE_MILLER_Z,
-               STATE_ERROR_WAIT
-               }               state;
-               uint16_t    shiftReg;
-               int     bitCnt;
-               int     byteCnt;
-               int     byteCntMax;
-               int     posCnt;
-               int     syncBit;
-               int     parityBits;
-               int     samples;
-               int     highCnt;
-               int     bitBuffer;
-       enum {
-               DROP_NONE,
-               DROP_FIRST_HALF,
-               DROP_SECOND_HALF
-       }               drop;
-    uint8_t   *output;
-} tUart;
-
-
-extern byte_t oddparity (const byte_t bt);
-extern uint32_t GetParity(const uint8_t * pbtCmd, int iLen);
-extern void AppendCrc14443a(uint8_t* data, int len);
-
-extern void ReaderTransmit(uint8_t* frame, int len);
-extern void ReaderTransmitBitsPar(uint8_t* frame, int bits, uint32_t par);
-extern void ReaderTransmitPar(uint8_t* frame, int len, uint32_t par);
-extern int ReaderReceive(uint8_t* receivedAnswer);
-extern int ReaderReceivePar(uint8_t* receivedAnswer, uint32_t * parptr);
-
-extern void iso14443a_setup();
-extern int iso14_apdu(uint8_t * cmd, size_t cmd_len, void * data);
-extern int iso14443a_select_card(uint8_t * uid_ptr, iso14a_card_select_t * resp_data, uint32_t * cuid_ptr);
+  uint8_t* response;
+  uint8_t* modulation;
+  uint16_t response_n;
+  uint16_t modulation_n;
+  uint32_t ProxToAirDuration;
+  uint8_t  par; // enough for precalculated parity of 8 Byte responses
+} tag_response_info_t;
+
+extern void GetParity(const uint8_t *pbtCmd, uint16_t len, uint8_t *par);
+extern void AppendCrc14443a(uint8_t *data, int len);
+
+extern void RAMFUNC SnoopIso14443a(uint8_t param);
+extern void SimulateIso14443aTag(int tagType, int uid_1st, int uid_2nd, byte_t *data);
+extern void ReaderIso14443a(UsbCommand *c);
+extern void ReaderTransmit(uint8_t *frame, uint16_t len, uint32_t *timing);
+extern void ReaderTransmitBitsPar(uint8_t *frame, uint16_t bits, uint8_t *par, uint32_t *timing);
+extern void ReaderTransmitPar(uint8_t *frame, uint16_t len, uint8_t *par, uint32_t *timing);
+extern int ReaderReceive(uint8_t *receivedAnswer, uint8_t *par);
+extern void ReaderMifare(bool first_try);
+
+extern int EmGetCmd(uint8_t *received, uint16_t *len, uint8_t *parity);
+extern int EmSendCmd(uint8_t *resp, uint16_t respLen);
+extern int EmSendCmdEx(uint8_t *resp, uint16_t respLen);
+extern int EmSend4bit(uint8_t resp);
+extern int EmSendCmdPar(uint8_t *resp, uint16_t respLen, uint8_t *par);
+extern int EmSendPrecompiledCmd(tag_response_info_t *response_info);
+
+extern bool prepare_allocated_tag_modulation(tag_response_info_t *response_info, uint8_t **buffer, size_t *buffer_size);
+
+extern void iso14443a_setup(uint8_t fpga_minor_mode);
+extern int iso14_apdu(uint8_t *cmd, uint16_t cmd_len, void *data);
+extern int iso14443a_select_card(uint8_t *uid_ptr, iso14a_card_select_t *resp_data, uint32_t *cuid_ptr, bool anticollision, uint8_t num_cascades, bool no_rats);

 extern void iso14a_set_trigger(bool enable);
 extern void iso14a_set_timeout(uint32_t timeout);
 extern void iso14a_set_trigger(bool enable);
 extern void iso14a_set_timeout(uint32_t timeout);

-
-extern void iso14a_clear_tracelen();
-extern void iso14a_set_tracing(bool enable);
-

 #endif /* __ISO14443A_H */
 #endif /* __ISO14443A_H */