FIX: Coverity scan, remove a resource leak, wrong varible type.

[proxmark3-svn] / client / loclass / elite_crack.c

diff --git a/client/loclass/elite_crack.c b/client/loclass/elite_crack.c
index 3801d662cddb0089d4181618d5fd9185557443da..2329e597d3f708a537b30a24e785c737607294c7 100644 (file)
--- a/client/loclass/elite_crack.c
+++ b/client/loclass/elite_crack.c
@@ -394,7 +394,7 @@ int bruteforceItem(dumpdata item, uint16_t keytable[])
                //Diversify
                diversifyKey(item.csn, key_sel_p, div_key);
                //Calc mac
-        doMAC(item.cc_nr,12, div_key,calculated_MAC);
+               doMAC(item.cc_nr, div_key,calculated_MAC);
 
                if(memcmp(calculated_MAC, item.mac, 4) == 0)
                {
@@ -552,6 +552,7 @@ int bruteforceDump(uint8_t dump[], size_t dumpsize, uint16_t keytable[])
  */
 int bruteforceFile(const char *filename, uint16_t keytable[])
 {
+
        FILE *f = fopen(filename, "rb");
        if(!f) {
                prnlog("Failed to read from file '%s'", filename);
@@ -562,15 +563,24 @@ int bruteforceFile(const char *filename, uint16_t keytable[])
        long fsize = ftell(f);
        fseek(f, 0, SEEK_SET);
 
+       if (fsize < 0) {
+               prnlog("Error, when getting filesize");
+               fclose(f);
+               return 1;
+       }
+
        uint8_t *dump = malloc(fsize);
-    size_t bytes_read = fread(dump, fsize, 1, f);
+       size_t bytes_read = fread(dump, 1, fsize, f);
 
        fclose(f);
     if (bytes_read < fsize)
     {
         prnlog("Error, could only read %d bytes (should be %d)",bytes_read, fsize );
     }
-       return bruteforceDump(dump,fsize,keytable);
+
+       uint8_t res = bruteforceDump(dump,fsize,keytable);
+       free(dump);
+       return res;
 }
 /**
  *
@@ -614,9 +624,18 @@ int _testBruteforce()
                        **** The 64-bit HS Custom Key Value = 5B7C62C491C11B39 ****
                **/
                uint16_t keytable[128] = {0};
-               //save some time...
-               startvalue = 0x7B0000;
-               errors |= bruteforceFile("iclass_dump.bin",keytable);
+
+               //Test a few variants
+               if(fileExists("iclass_dump.bin"))
+               {
+                       errors |= bruteforceFile("iclass_dump.bin",keytable);
+               }else if(fileExists("loclass/iclass_dump.bin")){
+                       errors |= bruteforceFile("loclass/iclass_dump.bin",keytable);
+               }else if(fileExists("client/loclass/iclass_dump.bin")){
+                       errors |= bruteforceFile("client/loclass/iclass_dump.bin",keytable);
+               }else{
+                       prnlog("Error: The file iclass_dump.bin was not found!");
+               }
        }
        return errors;
 }
@@ -650,6 +669,21 @@ int _test_iclass_key_permutation()
        prnlog("[+] Iclass key permutation OK!");
        return 0;
 }
+int _testHash1()
+{
+    uint8_t csn[8]= {0x01,0x02,0x03,0x04,0xF7,0xFF,0x12,0xE0};
+    uint8_t k[8] = {0};
+    hash1(csn, k);
+    uint8_t expected[8] = {0x7E,0x72,0x2F,0x40,0x2D,0x02,0x51,0x42};
+    if(memcmp(k,expected,8) != 0)
+    {
+        prnlog("Error with hash1!");
+        printarr("calculated", k, 8);
+        printarr("expected", expected, 8);
+        return 1;
+    }
+    return 0;
+}
 
 int testElite()
 {
@@ -682,11 +716,13 @@ int testElite()
         prnlog("[+] Hash2 looks fine...");
     }
 
-    prnlog("[+] Testing key diversification ...");
-
        int errors = 0 ;
-       errors +=_test_iclass_key_permutation();
+    prnlog("[+] Testing hash1...");
+    errors += _testHash1();
+    prnlog("[+] Testing key diversification ...");
+    errors +=_test_iclass_key_permutation();
        errors += _testBruteforce();
+
        return errors;
 
 }