Patch submitted by 'FireFart', for some issues with 'hf mf chk'. See http://www.proxm...

diff --git a/client/cmdhfmf.c b/client/cmdhfmf.c
index 8d78b0e6f8665daa2fa2625ea5772001427428e4..cc9b4c76df53d30f442a67bad0d97256b67181c6 100644 (file)
--- a/client/cmdhfmf.c
+++ b/client/cmdhfmf.c
@@ -947,19 +947,28 @@ int CmdHF14AMfChk(const char *Cmd)
        keyBlock = calloc(stKeyBlock, 6);\r
        if (keyBlock == NULL) return 1;\r
 \r
-       num_to_bytes(0xffffffffffff, 6, (uint8_t*)(keyBlock + 0 * 6)); // Default key (first key used by program if no user defined key)\r
-       num_to_bytes(0x000000000000, 6, (uint8_t*)(keyBlock + 1 * 6)); // Blank key\r
-       num_to_bytes(0xa0a1a2a3a4a5, 6, (uint8_t*)(keyBlock + 2 * 6)); // NFCForum MAD key\r
-       num_to_bytes(0xb0b1b2b3b4b5, 6, (uint8_t*)(keyBlock + 3 * 6));\r
-       num_to_bytes(0xaabbccddeeff, 6, (uint8_t*)(keyBlock + 4 * 6));\r
-       num_to_bytes(0x4d3a99c351dd, 6, (uint8_t*)(keyBlock + 5 * 6));\r
-       num_to_bytes(0x1a982c7e459a, 6, (uint8_t*)(keyBlock + 6 * 6));\r
-       num_to_bytes(0xd3f7d3f7d3f7, 6, (uint8_t*)(keyBlock + 7 * 6));\r
-       num_to_bytes(0x714c5c886e97, 6, (uint8_t*)(keyBlock + 8 * 6));\r
-       num_to_bytes(0x587ee5f9350f, 6, (uint8_t*)(keyBlock + 9 * 6));\r
-       num_to_bytes(0xa0478cc39091, 6, (uint8_t*)(keyBlock + 10 * 6));\r
-       num_to_bytes(0x533cb6c723f6, 6, (uint8_t*)(keyBlock + 11 * 6));\r
-       num_to_bytes(0x8fd0a4f256e9, 6, (uint8_t*)(keyBlock + 12 * 6));\r
+       uint64_t defaultKeys[] =\r
+       {\r
+               0xffffffffffff, // Default key (first key used by program if no user defined key)\r
+               0x000000000000, // Blank key\r
+               0xa0a1a2a3a4a5, // NFCForum MAD key\r
+               0xb0b1b2b3b4b5,\r
+               0xaabbccddeeff,\r
+               0x4d3a99c351dd,\r
+               0x1a982c7e459a,\r
+               0xd3f7d3f7d3f7,\r
+               0x714c5c886e97,\r
+               0x587ee5f9350f,\r
+               0xa0478cc39091,\r
+               0x533cb6c723f6,\r
+               0x8fd0a4f256e9\r
+       };\r
+       int defaultKeysSize = (sizeof(defaultKeys) / 7) - 1;\r
+\r
+       for (int defaultKeyCounter = 0; defaultKeyCounter < defaultKeysSize; defaultKeyCounter++)\r
+       {\r
+               num_to_bytes(defaultKeys[defaultKeyCounter], 6, (uint8_t*)(keyBlock + defaultKeyCounter * 6));\r
+       }\r
        \r
        if (strlen(Cmd)<3) {\r
                PrintAndLog("Usage:  hf mf chk <block number>/<*card memory> <key type (A/B/?)> [t] [<key (12 hex symbols)>] [<dic (*.dic)>]");\r
@@ -1029,13 +1038,7 @@ int CmdHF14AMfChk(const char *Cmd)
                        }\r
                        \r
                        if ( (f = fopen( filename , "r")) ) {\r
-                               while( !feof(f) ){\r
-                                       memset(buf, 0, sizeof(buf));\r
-                                       if (fgets(buf, sizeof(buf), f) == NULL) {\r
-                                               PrintAndLog("File reading error.");\r
-                                               return 2;\r
-                                       }\r
-          \r
+                               while( fgets(buf, sizeof(buf), f) ){\r
                                        if (strlen(buf) < 12 || buf[11] == '\n')\r
                                                continue;\r
                                \r
@@ -1063,6 +1066,7 @@ int CmdHF14AMfChk(const char *Cmd)
                                        num_to_bytes(strtoll(buf, NULL, 16), 6, keyBlock + 6*keycnt);\r
                                        PrintAndLog("chk custom key[%d] %012"llx, keycnt, bytes_to_num(keyBlock + 6*keycnt, 6));\r
                                        keycnt++;\r
+                                       memset(buf, 0, sizeof(buf));\r
                                }\r
                        } else {\r
                                PrintAndLog("File: %s: not found or locked.", filename);\r
@@ -1075,7 +1079,7 @@ int CmdHF14AMfChk(const char *Cmd)
        \r
        if (keycnt == 0) {\r
                PrintAndLog("No key specified,try default keys");\r
-               for (;keycnt <=12; keycnt++)\r
+               for (;keycnt < defaultKeysSize; keycnt++)\r
                        PrintAndLog("chk default key[%d] %02x%02x%02x%02x%02x%02x", keycnt,\r
                        (keyBlock + 6*keycnt)[0],(keyBlock + 6*keycnt)[1], (keyBlock + 6*keycnt)[2],\r
                        (keyBlock + 6*keycnt)[3], (keyBlock + 6*keycnt)[4],     (keyBlock + 6*keycnt)[5], 6);\r