ADD: 'lf search' - added a rudimentary identification of IDTECK tags, will demod...

[proxmark3-svn] / client / cmdlft55xx.c

diff --git a/client/cmdlft55xx.c b/client/cmdlft55xx.c
index 28149efff6f02268c7c050e20e7ea344b94aac3b..25b9ba279905d6944aa3391d292940ffe81f9769 100644 (file)
--- a/client/cmdlft55xx.c
+++ b/client/cmdlft55xx.c
@@ -1463,8 +1463,7 @@ int CmdT55xxBruteForce(const char *Cmd) {
                if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE;\r
                memcpy(filename, Cmd+2, len);\r
        \r
-               FILE * f = fopen( filename , "r");\r
-               \r
+               FILE * f = fopen( filename , "r");              \r
                if ( !f ) {\r
                        PrintAndLog("File: %s: not found or locked.", filename);\r
                        free(keyBlock);\r
@@ -1491,7 +1490,10 @@ int CmdT55xxBruteForce(const char *Cmd) {
                                if (!p) {\r
                                        PrintAndLog("Cannot allocate memory for defaultKeys");\r
                                        free(keyBlock);\r
-                                       fclose(f);\r
+                                       if (f) {\r
+                                               fclose(f);\r
+                                               f = NULL;\r
+                                       }\r
                                        return 2;\r
                                }\r
                                keyBlock = p;\r
@@ -1502,8 +1504,10 @@ int CmdT55xxBruteForce(const char *Cmd) {
                        keycnt++;\r
                        memset(buf, 0, sizeof(buf));\r
                }               \r
-               fclose(f);\r
-               \r
+               if (f) {\r
+                       fclose(f);\r
+                       f = NULL;\r
+               }\r
                if (keycnt == 0) {\r
                        PrintAndLog("No keys found in file");\r
                        free(keyBlock);\r
@@ -1514,7 +1518,13 @@ int CmdT55xxBruteForce(const char *Cmd) {
                // loop\r
                uint64_t testpwd = 0x00;\r
                for (uint16_t c = 0; c < keycnt; ++c ) {\r
-       \r
+\r
+                       if ( offline ) {\r
+                               printf("Device offline\n");\r
+                               free(keyBlock);\r
+                               return  2;\r
+                       }\r
+               \r
                        if (ukbhit()) {\r
                                ch = getchar();\r
                                (void)ch;\r
@@ -1526,8 +1536,7 @@ int CmdT55xxBruteForce(const char *Cmd) {
                        testpwd = bytes_to_num(keyBlock + 4*c, 4);\r
 \r
                        PrintAndLog("Testing %08X", testpwd);\r
-                       \r
-                       \r
+                                               \r
                        if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, TRUE, testpwd)) {\r
                                PrintAndLog("Aquireing data from device failed. Quitting");\r
                                free(keyBlock);\r
@@ -1535,7 +1544,6 @@ int CmdT55xxBruteForce(const char *Cmd) {
                        }\r
                        \r
                        found = tryDetectModulation();\r
-\r
                        if ( found ) {\r
                                PrintAndLog("Found valid password: [%08X]", testpwd);\r
                                free(keyBlock);\r
@@ -1605,7 +1613,8 @@ int tryOnePassword(uint32_t password) {
 \r
        if (tryDetectModulation())\r
                return 1;\r
-       else return 0;\r
+       else \r
+               return 0;\r
 }\r
 \r
 int CmdT55xxRecoverPW(const char *Cmd) {\r