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

@@ -1537,17 +1537,21 @@ static int CmdHF14BDump(const char *Cmd) {
 
         print_sr_blocks(data, cardsize, card.uid);
 
-        if (nosave == false) {
-            // save to file
-            if (fnlen < 1) {
-                PrintAndLogEx(INFO, "using UID as filename");
-                char *fptr = filename + snprintf(filename, sizeof(filename), "hf-14b-");
-                FillFileNameByUID(fptr, SwapEndian64(card.uid, card.uidlen, 8), "-dump", card.uidlen);
-            }
-
-            size_t datalen = (lastblock + 2) * ST25TB_SR_BLOCK_SIZE;
-            pm3_save_dump(filename, data, datalen, jsf14b_v2);
+        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");
+            char *fptr = filename + snprintf(filename, sizeof(filename), "hf-14b-");
+            FillFileNameByUID(fptr, SwapEndian64(card.uid, card.uidlen, 8), "-dump", card.uidlen);
+        }
+
+        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

@@ -2665,23 +2665,27 @@ static int CmdHF14AMfUDump(const char *Cmd) {
 
     printMFUdumpEx(&dump_file_data, pages, start_page);
 
-    if (nosave == false) {
-        // user supplied filename?
-        if (fnlen < 1) {
-            PrintAndLogEx(INFO, "Using UID as filename");
-            uint8_t uid[7] = {0};
-            memcpy(uid, (uint8_t *)&dump_file_data.data, 3);
-            memcpy(uid + 3, (uint8_t *)&dump_file_data.data + 4, 4);
-            strcat(filename, "hf-mfu-");
-            FillFileNameByUID(filename, uid, "-dump", sizeof(uid));
-        }
+    if (nosave) {
+        PrintAndLogEx(INFO, "Called with no save option");
+        PrintAndLogEx(NORMAL, "");
+        return PM3_SUCCESS;
+    }
 
-        uint16_t datalen = pages * MFU_BLOCK_SIZE + MFU_DUMP_PREFIX_LENGTH;
-        pm3_save_dump(filename, (uint8_t *)&dump_file_data, datalen, jsfMfuMemory);
+    // user supplied filename?
+    if (fnlen < 1) {
+        PrintAndLogEx(INFO, "Using UID as filename");
+        uint8_t uid[7] = {0};
+        memcpy(uid, (uint8_t *)&dump_file_data.data, 3);
+        memcpy(uid + 3, (uint8_t *)&dump_file_data.data + 4, 4);
+        strcat(filename, "hf-mfu-");
+        FillFileNameByUID(filename, uid, "-dump", sizeof(uid));
+    }
 
-        if (is_partial) {
-            PrintAndLogEx(WARNING, "Partial dump created. (%d of %d blocks)", pages, card_mem_size);
-        }
+    uint16_t datalen = pages * MFU_BLOCK_SIZE + MFU_DUMP_PREFIX_LENGTH;
+    pm3_save_dump(filename, (uint8_t *)&dump_file_data, datalen, jsfMfuMemory);
+
+    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) {