'hf iclass chk' part3 (#525)

added the options
E -   target elite keys
R -  interpret dictionary keys as raw (already diversified keys)

diff --git a/client/cmdhficlass.c b/client/cmdhficlass.c
index 37cf4deeaaa9e8fd27f83bfccb857950c169a649..d42f7eef6badf6d3d53dd21de7d81ec1f50e2e3b 100644 (file)
--- a/client/cmdhficlass.c
+++ b/client/cmdhficlass.c
@@ -54,10 +54,16 @@ typedef struct iclass_block {
 } iclass_block_t;
 
 int usage_hf_iclass_chk(void) {
-       PrintAndLog("Usage: hf iclass chk [h]  <f  (*.dic)>");
+       PrintAndLog("Checkkeys loads a dictionary text file with 8byte hex keys to test authenticating against a iClass tag");  
+       PrintAndLog("Usage: hf iclass chk [h|e|r] <f  (*.dic)>");
        PrintAndLog("Options:");
        PrintAndLog("h             Show this help");
        PrintAndLog("f <filename>  Dictionary file with default iclass keys");
+       PrintAndLog("      e             target Elite / High security key scheme");
+       PrintAndLog("      r             interpret dictionary file as raw (diversified keys)");
+       PrintAndLog("Samples:");
+       PrintAndLog("            hf iclass chk f default_iclass_keys.dic");     
+       PrintAndLog("            hf iclass chk f default_iclass_keys.dic e");   
        return 0;
 }
 
@@ -1711,37 +1717,58 @@ int CmdHFiClassManageKeys(const char *Cmd) {
 
 int CmdHFiClassCheckKeys(const char *Cmd) {
 
-       char ctmp = 0x00;
-       ctmp = param_getchar(Cmd, 0);
-       if (ctmp == 'h' || ctmp == 'H') return usage_hf_iclass_chk();
-
        uint8_t mac[4] = {0x00,0x00,0x00,0x00};
        uint8_t key[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
        uint8_t div_key[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
 
        // elite key,  raw key, standard key
-       bool elite = false;
-       bool rawkey = false;    
+       bool use_elite = false;
+       bool use_raw = false;   
        bool found_debit = false;
        bool found_credit = false;      
-
+       bool errors = false;
+       uint8_t cmdp = 0x00;
        FILE * f;
        char filename[FILE_PATH_SIZE] = {0};
+       uint8_t fileNameLen = 0;
        char buf[17];
        uint8_t *keyBlock = NULL, *p;
        int keyitems = 0, keycnt = 0;
 
-       
-       // May be a dictionary file
-       if ( param_getstr(Cmd, 1, filename, sizeof(filename)) >= FILE_PATH_SIZE ) {
-               PrintAndLog("File name too long");
-               free(keyBlock);
-               return 2;
+       while (param_getchar(Cmd, cmdp) != 0x00 && !errors) {
+               switch (param_getchar(Cmd, cmdp)) {
+               case 'h':
+               case 'H':
+                       return usage_hf_iclass_chk();
+               case 'f':
+               case 'F':
+                       fileNameLen = param_getstr(Cmd, cmdp+1, filename, sizeof(filename)); 
+                       if (fileNameLen < 1) {
+                               PrintAndLog("No filename found after f");
+                               errors = true;
+                       }
+                       cmdp += 2;
+                       break;
+               case 'e':
+               case 'E':
+                       use_elite = true;
+                       cmdp++;
+                       break;
+               case 'r':
+               case 'R':
+                       use_raw = true;
+                       cmdp++;
+                       break;
+               default:
+                       PrintAndLog("Unknown parameter '%c'\n", param_getchar(Cmd, cmdp));
+                       errors = true;
+                       break;
+               }
        }
+       if (errors) return usage_hf_iclass_chk();       
                        
        if ( !(f = fopen( filename , "r")) ) {
                PrintAndLog("File: %s: not found or locked.", filename);
-               free(keyBlock);
                return 1;
        }
 
@@ -1794,7 +1821,7 @@ int CmdHFiClassCheckKeys(const char *Cmd) {
 
                        // debit key. try twice
                        for (int foo = 0; foo < 2 && !found_debit; foo++) {
-                               if (!select_and_auth(key, mac, div_key, false, elite, rawkey, false))
+                               if (!select_and_auth(key, mac, div_key, false, use_elite, use_raw, false))
                                        continue;
 
                                // key found.
@@ -1805,7 +1832,7 @@ int CmdHFiClassCheckKeys(const char *Cmd) {
                        
                        // credit key. try twice
                        for (int foo = 0; foo < 2 && !found_credit; foo++) {
-                               if (!select_and_auth(key, mac, div_key, true, elite, rawkey, false))
+                               if (!select_and_auth(key, mac, div_key, true, use_elite, use_raw, false))
                                        continue;
                                
                                // key found