FIX: Coverity scans, uninitialized variables,

[proxmark3-svn] / client / proxmark3.c

diff --git a/client/proxmark3.c b/client/proxmark3.c
index a9819b542da04302e0741085e5b2d1e99f967625..641690a7fe36d5ce308480c3295c24f00a9efc65 100644 (file)
--- a/client/proxmark3.c
+++ b/client/proxmark3.c
@@ -16,7 +16,7 @@
 #include <unistd.h>
 #include <readline/readline.h>
 #include <readline/history.h>
-//#include "proxusb.h"
+
 #include "proxmark3.h"
 #include "proxgui.h"
 #include "cmdmain.h"
@@ -24,7 +24,7 @@
 #include "ui.h"
 #include "sleep.h"
 #include "cmdparser.h"
-#include "cmdmain.h"
+#include "cmdhw.h"
 
 // a global mutex to prevent interlaced printing from different threads
 pthread_mutex_t print_lock;
@@ -34,20 +34,19 @@ static UsbCommand txcmd;
 volatile static bool txcmd_pending = false;
 
 void SendCommand(UsbCommand *c) {
-#if 0
+       #if 0
   printf("Sending %d bytes\n", sizeof(UsbCommand));
-#endif
-/*
-  if (txcmd_pending) {
-    ERR("Sending command failed, previous command is still pending");
-  }
-*/
-  if(offline)
-    {
+       #endif
+
+       if (offline) {
       PrintAndLog("Sending bytes to proxmark failed - offline");
       return;
     }
-
+  /**
+       The while-loop below causes hangups at times, when the pm3 unit is unresponsive
+       or disconnected. The main console thread is alive, but comm thread just spins here.
+       Not good.../holiman
+       **/
   while(txcmd_pending);
   txcmd = *c;
   txcmd_pending = true;
@@ -69,30 +68,30 @@ static void *uart_receiver(void *targ) {
   struct receiver_arg *arg = (struct receiver_arg*)targ;
   size_t rxlen;
   size_t cmd_count;
-  
+
   while (arg->run) {
     rxlen = sizeof(UsbCommand);
-    if (uart_receive(sp,prx,&rxlen)) {
+               if (uart_receive(sp, prx, &rxlen)) {
       prx += rxlen;
       if (((prx-rx) % sizeof(UsbCommand)) != 0) {
         continue;
       }
       cmd_count = (prx-rx) / sizeof(UsbCommand);
-      //      printf("received %d bytes, which represents %d commands\n",(prx-rx), cmd_count);
-      for (size_t i=0; i<cmd_count; i++) {
+
+                       for (size_t i = 0; i < cmd_count; i++) {
         UsbCommandReceived((UsbCommand*)(rx+(i*sizeof(UsbCommand))));
       }
     }
     prx = rx;
-    
+
     if(txcmd_pending) {
-      if (!uart_send(sp,(byte_t*)&txcmd,sizeof(UsbCommand))) {
+                       if (!uart_send(sp, (byte_t*) &txcmd, sizeof(UsbCommand))) {
         PrintAndLog("Sending bytes to proxmark failed");
       }
       txcmd_pending = false;
     }
   }
-  
+
   pthread_exit(NULL);
   return NULL;
 }
@@ -104,44 +103,41 @@ static void *main_loop(void *targ) {
   pthread_t reader_thread;
   
   if (arg->usb_present == 1) {
-    rarg.run=1;
-    // pthread_create(&reader_thread, NULL, &usb_receiver, &rarg);
+               rarg.run = 1;
     pthread_create(&reader_thread, NULL, &uart_receiver, &rarg);
+               // cache Version information now:
+               CmdVersion(NULL);
   }
-  
+
   FILE *script_file = NULL;
-  char script_cmd_buf[256];
-  
-  if (arg->script_cmds_file)
-  {
+       char script_cmd_buf[256];  // iceman, needs lua script the same file_path_buffer as the rest
+
+       if (arg->script_cmds_file) {
     script_file = fopen(arg->script_cmds_file, "r");
-    if (script_file)
-    {
+               if (script_file) {
       printf("using 'scripting' commands file %s\n", arg->script_cmds_file);
     }
   }
 
        read_history(".history");
-       while(1)
-  {
+
+       while(1)  {
+
     // If there is a script file
     if (script_file)
     {
-      if (!fgets(script_cmd_buf, sizeof(script_cmd_buf), script_file))
-      {
+                       if (!fgets(script_cmd_buf, sizeof(script_cmd_buf), script_file)) {
         fclose(script_file);
         script_file = NULL;
-      }
-      else
-      {
+                       } else {
         char *nl;
         nl = strrchr(script_cmd_buf, '\r');
         if (nl) *nl = '\0';
+                               
         nl = strrchr(script_cmd_buf, '\n');
         if (nl) *nl = '\0';
-        
-        if ((cmd = (char*) malloc(strlen(script_cmd_buf) + 1)) != NULL)
-        {
+
+                               if ((cmd = (char*) malloc(strlen(script_cmd_buf) + 1)) != NULL) {
           memset(cmd, 0, strlen(script_cmd_buf));
           strcpy(cmd, script_cmd_buf);
           printf("%s\n", cmd);
@@ -149,23 +145,21 @@ static void *main_loop(void *targ) {
       }
     }
                
-               if (!script_file)
-               {
+               if (!script_file) {
       cmd = readline(PROXPROMPT);
                }
                
                if (cmd) {
+
                        while(cmd[strlen(cmd) - 1] == ' ')
         cmd[strlen(cmd) - 1] = 0x00;
                        
                        if (cmd[0] != 0x00) {
-                               if (strncmp(cmd, "quit", 4) == 0) {
-                                       exit(0);
+                               int ret = CommandReceived(cmd);
+                               add_history(cmd);
+                               if (ret == 99) {  // exit or quit
                                        break;
                                }
-                               
-                               CommandReceived(cmd);
-                               add_history(cmd);
                        }
                        free(cmd);
                } else {
@@ -180,13 +174,12 @@ static void *main_loop(void *targ) {
     rarg.run = 0;
     pthread_join(reader_thread, NULL);
   }
-  
-  if (script_file)
-  {
+
+       if (script_file) {
     fclose(script_file);
     script_file = NULL;
   }
-  
+
   ExitGraphics();
   pthread_exit(NULL);
   return NULL;
@@ -229,7 +222,7 @@ int main(int argc, char* argv[]) {
                .usb_present = 0,
                .script_cmds_file = NULL
        };
-       pthread_t main_loop_t;
+       pthread_t main_loop_threat;
 
   
        sp = uart_open(argv[1]);
@@ -264,18 +257,20 @@ int main(int argc, char* argv[]) {
        // create a mutex to avoid interlacing print commands from our different threads
        pthread_mutex_init(&print_lock, NULL);
 
-       pthread_create(&main_loop_t, NULL, &main_loop, &marg);
+       pthread_create(&main_loop_threat, NULL, &main_loop, &marg);
        InitGraphics(argc, argv);
 
        MainGraphics();
 
-       pthread_join(main_loop_t, NULL);
+       pthread_join(main_loop_threat, NULL);
 
        // Clean up the port
+       if (offline == 0) {
        uart_close(sp);
+       }
   
        // clean up mutex
        pthread_mutex_destroy(&print_lock);
   
-  return 0;
+       exit(0);
 }