chg: updated the README.txt

[proxmark3-svn] / client / cmdlfhitag.c

diff --git a/client/cmdlfhitag.c b/client/cmdlfhitag.c
index ede035759a58df80e22e6dfe55621d792867696e..74578eea7f6de289b35b7d20d8086340c0ecddc7 100644 (file)
--- a/client/cmdlfhitag.c
+++ b/client/cmdlfhitag.c
@@ -29,7 +29,7 @@ size_t nbytes(size_t nbits) {
 
 int CmdLFHitagList(const char *Cmd)
 {
-  uint8_t got[3000];
+  uint8_t got[TRACE_BUFFER_SIZE];
   GetFromBigBuf(got,sizeof(got),0);
   WaitForResponse(CMD_ACK,NULL);
 
@@ -39,14 +39,25 @@ int CmdLFHitagList(const char *Cmd)
 
   int i = 0;
   int prev = -1;
+  int len = strlen(Cmd);
 
-  char filename[256];
+  char filename[FILE_PATH_SIZE]  = { 0x00 };
   FILE* pf = NULL;
+       
+  if (len > FILE_PATH_SIZE) 
+     len = FILE_PATH_SIZE;
+  memcpy(filename, Cmd, len);
+   
+  if (strlen(filename) > 0) {
+       if ((pf = fopen(filename,"wb")) == NULL) {
+               PrintAndLog("Error: Could not open file [%s]",filename);
+               return 1;
+       }
+  }
   
   for (;;) {
-    if(i >= 1900) {
-      break;
-    }
+  
+    if(i >= TRACE_BUFFER_SIZE) { break; }
 
     bool isResponse;
     int timestamp = *((uint32_t *)(got+i));
@@ -71,9 +82,7 @@ int CmdLFHitagList(const char *Cmd)
     if (len > 100) {
       break;
     }
-    if (i + len >= 1900) {
-      break;
-    }
+    if (i + len >= TRACE_BUFFER_SIZE) { break;}
 
     uint8_t *frame = (got+i+9);
 
@@ -119,8 +128,8 @@ int CmdLFHitagList(const char *Cmd)
   }
   
   if (pf) {
-         PrintAndLog("Recorded activity succesfully written to file: %s", filename);
     fclose(pf);
+       PrintAndLog("Recorded activity succesfully written to file: %s", filename);
   }
        
   return 0;
@@ -138,9 +147,7 @@ int CmdLFHitagSim(const char *Cmd) {
        char filename[FILE_PATH_SIZE] = { 0x00 };
        FILE* pf;
        bool tag_mem_supplied;
-       int len = 0;
-
-       len = strlen(Cmd);
+       int len = strlen(Cmd);
        if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE;
        memcpy(filename, Cmd, len);
    
@@ -151,7 +158,8 @@ int CmdLFHitagSim(const char *Cmd) {
                }
                tag_mem_supplied = true;
                if (fread(c.d.asBytes,48,1,pf) == 0) {
-             PrintAndLog("Error: File reading error");
+            PrintAndLog("Error: File reading error");
+      fclose(pf);
                        return 1;
          }
                fclose(pf);
@@ -237,11 +245,11 @@ int CmdLFHitagReader(const char *Cmd) {
 static command_t CommandTable[] = 
 {
   {"help",    CmdHelp,           1, "This help"},
-  {"list",    CmdLFHitagList,    1, "List Hitag trace history"},
+  {"list",    CmdLFHitagList,    1, "<outfile> List Hitag trace history"},
   {"reader",  CmdLFHitagReader,  1, "Act like a Hitag Reader"},
-  {"sim",     CmdLFHitagSim,     1, "Simulate Hitag transponder"},
+  {"sim",     CmdLFHitagSim,     1, "<infile> Simulate Hitag transponder"},
   {"snoop",   CmdLFHitagSnoop,   1, "Eavesdrop Hitag communication"},
-               {NULL, NULL, 0, NULL}
+  {NULL, NULL, 0, NULL}
 };
 
 int CmdLFHitag(const char *Cmd)