FIX: Coverity, Out-of-bounds. In the loop, variable i, can...

[proxmark3-svn] / client / cmdmain.c

diff --git a/client/cmdmain.c b/client/cmdmain.c
index 8d590e9e6ce76ea0538cca4fa964ede1a0d79596..7bba80f4cbe784967689f6e06858ee3f3d5d36fe 100644 (file)
--- a/client/cmdmain.c
+++ b/client/cmdmain.c
@@ -42,15 +42,15 @@ static int cmd_tail;//Starts as 0
 
 static command_t CommandTable[] = 
 {
-  {"help",  CmdHelp,  1, "This help. Use '<command> help' for details of a particular command."},
-  {"data",  CmdData,  1, "{ Plot window / data buffer manipulation... }"},
-  {"hf",       CmdHF,          1, "{ High Frequency commands... }"},
-  {"hw",    CmdHW,    1, "{ Hardware commands... }"},
-  {"lf",       CmdLF,          1, "{ Low Frequency commands... }"},
-  {"script", CmdScript,   1,"{ Scripting commands }"},
-  {"quit",  CmdQuit,  1, "Exit program"},
-  {"exit",  CmdQuit,  1, "Exit program"},
-  {NULL, NULL, 0, NULL}
+       {"help",        CmdHelp,        1, "This help. Use '<command> help' for details of a particular command."},
+       {"data",        CmdData,        1, "{ Plot window / data buffer manipulation... }"},
+       {"hf",          CmdHF,          1, "{ High Frequency commands... }"},
+       {"hw",          CmdHW,          1, "{ Hardware commands... }"},
+       {"lf",          CmdLF,          1, "{ Low Frequency commands... }"},
+       {"script",      CmdScript,      1, "{ Scripting commands }"},
+       {"quit",        CmdQuit,        1, "Exit program"},
+       {"exit",        CmdQuit,        1, "Exit program"},
+       {NULL, NULL, 0, NULL}
 };
 
 command_t* getTopLevelCommandTable()
@@ -65,8 +65,7 @@ int CmdHelp(const char *Cmd)
 
 int CmdQuit(const char *Cmd)
 {
-  exit(0);
-  return 0;
+  return 99;
 }
 /**
  * @brief This method should be called when sending a new command to the pm3. In case any old
@@ -97,8 +96,9 @@ void storeCommand(UsbCommand *command)
     memcpy(destination, command, sizeof(UsbCommand));
 
     cmd_head = (cmd_head +1) % CMD_BUFFER_SIZE; //increment head and wrap
-
 }
+
+
 /**
  * @brief getCommand gets a command from an internal circular buffer.
  * @param response location to write command
@@ -117,9 +117,9 @@ int getCommand(UsbCommand* response)
     cmd_tail = (cmd_tail +1 ) % CMD_BUFFER_SIZE;
 
     return 1;
-
 }
 
+
 /**
  * Waits for a certain response type. This method waits for a maximum of
  * ms_timeout milliseconds for a specified response command.
@@ -131,41 +131,43 @@ int getCommand(UsbCommand* response)
  */
 bool WaitForResponseTimeout(uint32_t cmd, UsbCommand* response, size_t ms_timeout) {
   
-  UsbCommand resp;
-
-       if (response == NULL)
-    response = &resp;
-
-
-  // Wait until the command is received
-  for(size_t dm_seconds=0; dm_seconds < ms_timeout/10; dm_seconds++) {
+       UsbCommand resp;
+       
+       if (response == NULL) {
+               response = &resp;
+       }
 
+       // Wait until the command is received
+       for(size_t dm_seconds=0; dm_seconds < ms_timeout/10; dm_seconds++) {
                while(getCommand(response)) {
-          if(response->cmd == cmd){
-          return true;
-          }
-      }
-        msleep(10); // XXX ugh
-        if (dm_seconds == 200) { // Two seconds elapsed
-          PrintAndLog("Waiting for a response from the proxmark...");
-          PrintAndLog("Don't forget to cancel its operation first by pressing on the button");
-        }
+                       if(response->cmd == cmd){
+                               return true;
+                       }
+               }
+               msleep(10); // XXX ugh
+               if (dm_seconds == 200) { // Two seconds elapsed
+                       PrintAndLog("Waiting for a response from the proxmark...");
+                       PrintAndLog("Don't forget to cancel its operation first by pressing on the button");
+               }
        }
-    return false;
+       return false;
 }
 
+
 bool WaitForResponse(uint32_t cmd, UsbCommand* response) {
        return WaitForResponseTimeout(cmd,response,-1);
 }
 
+
 //-----------------------------------------------------------------------------
 // Entry point into our code: called whenever the user types a command and
 // then presses Enter, which the full command line that they typed.
 //-----------------------------------------------------------------------------
-void CommandReceived(char *Cmd) {
-  CmdsParse(CommandTable, Cmd);
+int CommandReceived(char *Cmd) {
+       return CmdsParse(CommandTable, Cmd);
 }
 
+
 //-----------------------------------------------------------------------------
 // Entry point into our code: called whenever we received a packet over USB
 // that we weren't necessarily expecting, for example a debug print.
@@ -188,14 +190,14 @@ void UsbCommandReceived(UsbCommand *UC)
                } break;
 
                case CMD_DOWNLOADED_RAW_ADC_SAMPLES_125K: {
-                       sample_buf_len += UC->arg[1];
                        memcpy(sample_buf+(UC->arg[0]),UC->d.asBytes,UC->arg[1]);
+                       return;
                } break;
 
                default:
+                       storeCommand(UC);
                        break;
        }
 
-       storeCommand(UC);
 }