added no save parameter to iclass dump. Also adjusted the text for the other places.

CHANGELOG.md

@@ -3,7 +3,8 @@ All notable changes to this project will be documented in this file.
 This project uses the changelog in accordance with [keepchangelog](http://keepachangelog.com/). Please use this to write notable changes, which is not the same as git commit log...
 
 ## [unreleased][unreleased]
- - Modified `hf iclass calcnewkey` - Added calculations for old key elite and new key non elite (@Antiklesys)
+ - Changed `hf iclass dump` - now allow no save of dumped data (@iceman1001)
+ - Changed `hf iclass calcnewkey` - Added calculations for old key elite and new key non elite (@Antiklesys)
  - Changed the CLI prompt to show tcp/udp if used (@iceman1001)
  - Changed `hw ping` - now shows transfer time (@doegox)
  - Added `hf mf encodehid` - writes HID legacy credential to a empty MFC (@iceman1001)

client/src/cmdhf14b.c

@@ -1537,7 +1537,12 @@ static int CmdHF14BDump(const char *Cmd) {
 
         print_sr_blocks(data, cardsize, card.uid);
 
-        if (nosave == false) {
+        if (nosave) {
+            PrintAndLogEx(INFO, "Called with no save option");
+            PrintAndLogEx(NORMAL, "");
+            return PM3_SUCCESS;
+        }
+        
         // save to file
         if (fnlen < 1) {
             PrintAndLogEx(INFO, "using UID as filename");
@@ -1548,7 +1553,6 @@ static int CmdHF14BDump(const char *Cmd) {
         size_t datalen = (lastblock + 2) * ST25TB_SR_BLOCK_SIZE;
         pm3_save_dump(filename, data, datalen, jsf14b_v2);
     }
-    }
 
     return switch_off_field_14b();
 }

client/src/cmdhficlass.c

@@ -1754,6 +1754,7 @@ static int CmdHFiClassDump(const char *Cmd) {
         arg_lit0("z", "dense", "dense dump output style"),
         arg_lit0(NULL, "force", "force unsecure card read"),
         arg_lit0(NULL, "shallow", "use shallow (ASK) reader modulation instead of OOK"),
+        arg_lit0(NULL, "ns", "no save to file"),        
         arg_param_end
     };
     CLIExecWithReturn(ctx, Cmd, argtable, true);
@@ -1840,6 +1841,7 @@ static int CmdHFiClassDump(const char *Cmd) {
     bool dense_output = g_session.dense_output || arg_get_lit(ctx, 9);
     bool force = arg_get_lit(ctx, 10);
     bool shallow_mod = arg_get_lit(ctx, 11);
+    bool nosave = arg_get_lit(ctx, 12);
 
     CLIParserFree(ctx);
 
@@ -2085,6 +2087,12 @@ write_dump:
     // print the dump
     printIclassDumpContents(tag_data, 1, (bytes_got / 8), bytes_got, dense_output);
 
+    if (nosave) {
+        PrintAndLogEx(INFO, "Called with no save option");
+        PrintAndLogEx(NORMAL, "");
+        return PM3_SUCCESS;
+    }
+
     // use CSN as filename
     if (filename[0] == 0) {
         strcat(filename, "hf-iclass-");

client/src/cmdhfmfu.c

@@ -2665,7 +2665,12 @@ static int CmdHF14AMfUDump(const char *Cmd) {
 
     printMFUdumpEx(&dump_file_data, pages, start_page);
 
-    if (nosave == false) {
+    if (nosave) {
+        PrintAndLogEx(INFO, "Called with no save option");
+        PrintAndLogEx(NORMAL, "");
+        return PM3_SUCCESS;
+    }
+
     // user supplied filename?
     if (fnlen < 1) {
         PrintAndLogEx(INFO, "Using UID as filename");
@@ -2682,7 +2687,6 @@ static int CmdHF14AMfUDump(const char *Cmd) {
     if (is_partial) {
         PrintAndLogEx(WARNING, "Partial dump created. (%d of %d blocks)", pages, card_mem_size);
     }
-    }
 
     return PM3_SUCCESS;
 }

client/src/cmdlft55xx.c

@@ -2298,8 +2298,14 @@ static int CmdT55xxDump(const char *Cmd) {
         }
     }
 
+    if (nosave) {
+        PrintAndLogEx(INFO, "Called with no save option");
+        PrintAndLogEx(NORMAL, "");
+        return PM3_SUCCESS;
+    }
+
     // all ok, save dump to file
-    if (success && nosave == false) {
+    if (success) {
 
         // set default filename, if not set by user
         if (strlen(filename) == 0) {