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[proxmark3-svn] / client / proxmark3.c

diff --git a/client/proxmark3.c b/client/proxmark3.c
index cff94903d1693e46e585f9d00fedc532fc9b67b5..102e03f72473ec0004028a522eb0c0ca4018e5ae 100644 (file)
--- a/client/proxmark3.c
+++ b/client/proxmark3.c
@@ -21,18 +21,29 @@
 #include "proxgui.h"
 #include "cmdmain.h"
 #include "uart.h"
-#include "messages.h"
 #include "ui.h"
+#include "sleep.h"
+
+// a global mutex to prevent interlaced printing from different threads
+pthread_mutex_t print_lock;
 
 static serial_port sp;
+static UsbCommand txcmd;
+volatile static bool txcmd_pending = false;
+
 
 void SendCommand(UsbCommand *c) {
 #if 0
   printf("Sending %d bytes\n", sizeof(UsbCommand));
 #endif
-  if (!uart_send(sp,(byte_t*)c,sizeof(UsbCommand))) {
-    ERR("Sending bytes to proxmark failed");
+/*
+  if (txcmd_pending) {
+    ERR("Sending command failed, previous command is still pending");
   }
+*/
+  while(txcmd_pending);
+  txcmd = *c;
+  txcmd_pending = true;
 }
 
 struct receiver_arg {
@@ -60,6 +71,7 @@ struct main_loop_arg {
 //}
 
 byte_t rx[0x1000000];
+byte_t* prx = rx;
 
 static void *uart_receiver(void *targ) {
   struct receiver_arg *arg = (struct receiver_arg*)targ;
@@ -67,24 +79,32 @@ static void *uart_receiver(void *targ) {
   size_t cmd_count;
   
   while (arg->run) {
-    if (uart_receive(sp,rx,&rxlen)) {
-      if ((rxlen % sizeof(UsbCommand)) != 0) {
-        PrintAndLog("ERROR: received %zd bytes, which does not seem to be one or more command(s)\n",rxlen);
+    rxlen = sizeof(UsbCommand);
+    if (uart_receive(sp,prx,&rxlen)) {
+      prx += rxlen;
+      if (((prx-rx) % sizeof(UsbCommand)) != 0) {
         continue;
       }
-      cmd_count = rxlen / sizeof(UsbCommand);
-//      printf("received %zd bytes, which represents %zd commands\n",rxlen, cmd_count);
+      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++) {
         UsbCommandReceived((UsbCommand*)(rx+(i*sizeof(UsbCommand))));
       }
     }
+    prx = rx;
+    
+    if(txcmd_pending) {
+      if (!uart_send(sp,(byte_t*)&txcmd,sizeof(UsbCommand))) {
+        PrintAndLog("Sending bytes to proxmark failed");
+      }
+      txcmd_pending = false;
+    }
   }
   
   pthread_exit(NULL);
   return NULL;
 }
 
-
 static void *main_loop(void *targ) {
   struct main_loop_arg *arg = (struct main_loop_arg*)targ;
   struct receiver_arg rarg;
@@ -128,7 +148,7 @@ static void *main_loop(void *targ) {
         nl = strrchr(script_cmd_buf, '\n');
         if (nl) *nl = '\0';
         
-        if ((cmd = (char*) malloc(strlen(script_cmd_buf))) != NULL)
+        if ((cmd = (char*) malloc(strlen(script_cmd_buf) + 1)) != NULL)
         {
           memset(cmd, 0, strlen(script_cmd_buf));
           strcpy(cmd, script_cmd_buf);
@@ -148,6 +168,7 @@ static void *main_loop(void *targ) {
                        
                        if (cmd[0] != 0x00) {
                                if (strncmp(cmd, "quit", 4) == 0) {
+                                       exit(0);
                                        break;
                                }
                                
@@ -180,18 +201,20 @@ static void *main_loop(void *targ) {
 }
 
 int main(int argc, char* argv[]) {
+       srand(time(0));
   
-  if (argc < 2) {
-    printf("syntax: %s <port>\n\n",argv[0]);
-    return 1;
-  }
+       if (argc < 2) {
+               printf("syntax: %s <port>\n\n",argv[0]);
+               printf("\tLinux example:'%s /dev/ttyACM0'\n\n", argv[0]);
+               return 1;
+       }
   
-  // Make sure to initialize
-  struct main_loop_arg marg = {
-    .usb_present = 0,
-    .script_cmds_file = NULL
-  };
-  pthread_t main_loop_t;
+       // Make sure to initialize
+       struct main_loop_arg marg = {
+               .usb_present = 0,
+               .script_cmds_file = NULL
+       };
+       pthread_t main_loop_t;
 
 /*
   usb_init();
@@ -204,34 +227,55 @@ int main(int argc, char* argv[]) {
     offline = 0;
   }
 */
-  sp = uart_open(argv[1]);
-  if (sp == INVALID_SERIAL_PORT) {
-    printf("ERROR: invalid serial port\n");
-    marg.usb_present = 0;
-    offline = 1;
-  } else {
-    marg.usb_present = 1;
-    offline = 0;
-  }
-
-  // If the user passed the filename of the 'script' to execute, get it
-  if (argc > 2 && argv[2]) {
-    marg.script_cmds_file = argv[2];
-  }
   
-  pthread_create(&main_loop_t, NULL, &main_loop, &marg);
-  InitGraphics(argc, argv);
+       sp = uart_open(argv[1]);
+       if (sp == INVALID_SERIAL_PORT) {
+               printf("ERROR: invalid serial port\n");
+               marg.usb_present = 0;
+               offline = 1;
+       } else if (sp == CLAIMED_SERIAL_PORT) {
+               printf("ERROR: serial port is claimed by another process\n");
+               marg.usb_present = 0;
+               offline = 1;
+       } else {
+               marg.usb_present = 1;
+               offline = 0;
+       }
+
+       // If the user passed the filename of the 'script' to execute, get it
+       if (argc > 2 && argv[2]) {
+               if (argv[2][0] == 'f' &&  //buzzy, if a word 'flush' passed, flush the output after every log entry.
+                       argv[2][1] == 'l' &&
+                       argv[2][2] == 'u' &&
+                       argv[2][3] == 's' &&
+                       argv[2][4] == 'h')
+               {
+                       printf("Output will be flushed after every print.\n");
+                       flushAfterWrite = 1;
+               }
+               else
+               marg.script_cmds_file = argv[2];
+       }
 
-  MainGraphics();
+       // create a mutex to avoid interlacing print commands from our different threads
+       pthread_mutex_init(&print_lock, NULL);
 
-  pthread_join(main_loop_t, NULL);
+       pthread_create(&main_loop_t, NULL, &main_loop, &marg);
+       InitGraphics(argc, argv);
+
+       MainGraphics();
+
+       pthread_join(main_loop_t, NULL);
 
 //  if (marg.usb_present == 1) {
 //    CloseProxmark();
 //  }
 
-  // Clean up the port
-  uart_close(sp);
+       // Clean up the port
+       uart_close(sp);
+  
+       // clean up mutex
+       pthread_mutex_destroy(&print_lock);
   
   return 0;
 }