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some @iceman1001 s coverty scan fixes

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great work!
This commit is contained in:
marshmellow42 2016-01-08 18:26:56 -05:00
commit c4c3af7c16
7 changed files with 20 additions and 3 deletions
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1
client/cmdhfepa.c
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@ -58,6 +58,7 @@ int CmdHFEPACollectPACENonces(const char *Cmd)
}
// print nonce
PrintAndLog("Length: %d, Nonce: %s", nonce_length, nonce);
free(nonce);
}
if (i < n - 1) {
sleep(d);

2
client/cmdhficlass.c
View file

@ -406,7 +406,7 @@ int CmdHFiClassDecrypt(const char *Cmd) {
fclose(f);
saveFile(outfilename,"bin", decrypted, blocknum*8);
free(decrypted);
return 0;
}

2
client/loclass/cipherutils.c
View file

@ -171,6 +171,7 @@ void printarr(char * name, uint8_t* arr, int len)
}
cx += snprintf(output+cx,outsize-cx,"};");
prnlog(output);
free(output);
}
void printvar(char * name, uint8_t* arr, int len)
@ -188,6 +189,7 @@ void printvar(char * name, uint8_t* arr, int len)
}
prnlog(output);
free(output);
}
void printarr_human_readable(char * title, uint8_t* arr, int len)

10
client/util.c
View file

@ -497,3 +497,13 @@ void xor(unsigned char *dst, unsigned char *src, size_t len) {
int32_t le24toh (uint8_t data[3]) {
return (data[2] << 16) | (data[1] << 8) | data[0];
}
// RotateLeft - Ultralight, Desfire, works on byte level
// 00-01-02 >> 01-02-00
void rol(uint8_t *data, const size_t len){
uint8_t first = data[0];
for (size_t i = 0; i < len-1; i++) {
data[i] = data[i+1];
}
data[len-1] = first;
}

4
client/util.h
View file

@ -17,6 +17,9 @@
#include <time.h>
#include "data.h"
#ifndef ROTR
# define ROTR(x,n) (((uintmax_t)(x) >> (n)) | ((uintmax_t)(x) << ((sizeof(x) * 8) - (n))))
#endif
#ifndef MIN
# define MIN(a, b) (((a) < (b)) ? (a) : (b))
#endif
@ -68,3 +71,4 @@ void wiegand_add_parity(uint8_t *target, uint8_t *source, uint8_t length);
void xor(unsigned char *dst, unsigned char *src, size_t len);
int32_t le24toh(uint8_t data[3]);
void rol(uint8_t *data, const size_t len);