cmdhf14b.c: fixing a crash in the crc computation when missing data (e.g. with 'hf...

[proxmark3-svn] / client / proxmark3.c

diff --git a/client/proxmark3.c b/client/proxmark3.c
index 4b898d5495dd2b58700698ff05225f364936b078..102e03f72473ec0004028a522eb0c0ca4018e5ae 100644 (file)
--- a/client/proxmark3.c
+++ b/client/proxmark3.c
@@ -16,101 +16,159 @@
 #include <unistd.h>
 #include <readline/readline.h>
 #include <readline/history.h>
 #include <unistd.h>
 #include <readline/readline.h>
 #include <readline/history.h>

-#include "proxusb.h"
+//#include "proxusb.h"

 #include "proxmark3.h"
 #include "proxgui.h"
 #include "cmdmain.h"
 #include "proxmark3.h"
 #include "proxgui.h"
 #include "cmdmain.h"

+#include "uart.h"
+#include "ui.h"
+#include "sleep.h"

 
 

-struct usb_receiver_arg
-{
+// 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 (txcmd_pending) {
+    ERR("Sending command failed, previous command is still pending");
+  }
+*/
+  while(txcmd_pending);
+  txcmd = *c;
+  txcmd_pending = true;
+}
+
+struct receiver_arg {

   int run;
 };
 
   int run;
 };
 

-struct main_loop_arg
-{
+struct main_loop_arg {

   int usb_present;
   char *script_cmds_file;
 };
 
   int usb_present;
   char *script_cmds_file;
 };
 

-static void *usb_receiver(void *targ)
-{
-  struct usb_receiver_arg *arg = (struct usb_receiver_arg*)targ;
-  UsbCommand cmdbuf;
+//static void *usb_receiver(void *targ) {
+//  struct receiver_arg *arg = (struct receiver_arg*)targ;
+//  UsbCommand cmdbuf;
+//
+//  while (arg->run) {
+//    if (ReceiveCommandPoll(&cmdbuf)) {
+//      UsbCommandReceived(&cmdbuf);
+//      fflush(NULL);
+//    }
+//  }
+//
+//  pthread_exit(NULL);
+//  return NULL;
+//}

 
 

+byte_t rx[0x1000000];
+byte_t* prx = rx;
+
+static void *uart_receiver(void *targ) {
+  struct receiver_arg *arg = (struct receiver_arg*)targ;
+  size_t rxlen;
+  size_t cmd_count;
+  

   while (arg->run) {
   while (arg->run) {

-    if (ReceiveCommandPoll(&cmdbuf)) {
-      UsbCommandReceived(&cmdbuf);
-      fflush(NULL);
+    rxlen = sizeof(UsbCommand);
+    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++) {
+        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;
 }
 
   pthread_exit(NULL);
   return NULL;
 }
 

-static void *main_loop(void *targ)
-{
-    struct main_loop_arg *arg = (struct main_loop_arg*)targ;
-    struct usb_receiver_arg rarg;
-    char *cmd = NULL;
-    pthread_t reader_thread;
-
-    if (arg->usb_present == 1) {
-        rarg.run=1;
-        pthread_create(&reader_thread, NULL, &usb_receiver, &rarg);
-    }
-    
-    FILE *script_file = NULL;
-    char script_cmd_buf[256];
-    
-    if (arg->script_cmds_file)
+static void *main_loop(void *targ) {
+  struct main_loop_arg *arg = (struct main_loop_arg*)targ;
+  struct receiver_arg rarg;
+  char *cmd = NULL;
+  pthread_t reader_thread;
+  
+  if (arg->usb_present == 1) {
+    rarg.run=1;
+    // pthread_create(&reader_thread, NULL, &usb_receiver, &rarg);
+    pthread_create(&reader_thread, NULL, &uart_receiver, &rarg);
+  }
+  
+  FILE *script_file = NULL;
+  char script_cmd_buf[256];
+  
+  if (arg->script_cmds_file)
+  {
+    script_file = fopen(arg->script_cmds_file, "r");
+    if (script_file)

     {
     {

-        script_file = fopen(arg->script_cmds_file, "r");
-        if (script_file)
-        {
-            printf("using 'scripting' commands file %s\n", arg->script_cmds_file);
-        }
+      printf("using 'scripting' commands file %s\n", arg->script_cmds_file);

     }
     }

+  }

 
        read_history(".history");
        while(1)
 
        read_history(".history");
        while(1)

+  {
+    // If there is a script file
+    if (script_file)
+    {
+      if (!fgets(script_cmd_buf, sizeof(script_cmd_buf), script_file))
+      {
+        fclose(script_file);
+        script_file = NULL;
+      }
+      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 there is a script file
-           if (script_file)
-           {
-               if (!fgets(script_cmd_buf, sizeof(script_cmd_buf), script_file))
-               {
-                   fclose(script_file);
-                   script_file = NULL;
-               }
-               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))) != NULL)
-                    {
-                        memset(cmd, 0, strlen(script_cmd_buf));
-                        strcpy(cmd, script_cmd_buf);
-                        printf("%s\n", cmd);
-                    }
-               }
-           }
+          memset(cmd, 0, strlen(script_cmd_buf));
+          strcpy(cmd, script_cmd_buf);
+          printf("%s\n", cmd);
+        }
+      }
+    }

                
                if (!script_file)
                {
                
                if (!script_file)
                {

-                   cmd = readline(PROXPROMPT);
+      cmd = readline(PROXPROMPT);

                }
                
                if (cmd) {
                        while(cmd[strlen(cmd) - 1] == ' ')
                }
                
                if (cmd) {
                        while(cmd[strlen(cmd) - 1] == ' ')

-                       cmd[strlen(cmd) - 1] = 0x00;
+        cmd[strlen(cmd) - 1] = 0x00;

                        
                        if (cmd[0] != 0x00) {
                                if (strncmp(cmd, "quit", 4) == 0) {
                        
                        if (cmd[0] != 0x00) {
                                if (strncmp(cmd, "quit", 4) == 0) {

+                                       exit(0);

                                        break;
                                }
                                
                                        break;
                                }
                                


@@ -123,41 +181,43 @@ static void *main_loop(void *targ)
                        break;
                }
        }
                        break;
                }
        }

-
+  

        write_history(".history");
        write_history(".history");

-
-    if (arg->usb_present == 1) {
-        rarg.run = 0;
-        pthread_join(reader_thread, NULL);
-    }
-    
-    if (script_file)
-    {
-        fclose(script_file);
-        script_file = NULL;
-    }
-
-    ExitGraphics();
-    pthread_exit(NULL);
-    return NULL;
-}
-
-int main(int argc, char **argv)
-{
-  // Make sure to initialize
-  struct main_loop_arg marg = {
-    .usb_present = 0,
-    .script_cmds_file = NULL
-  };
-  pthread_t main_loop_t;
-  usb_init();
-
-  // If the user passed the filename of the 'script' to execute, get it
-  if (argc > 1 && argv[1])
+  
+  if (arg->usb_present == 1) {
+    rarg.run = 0;
+    pthread_join(reader_thread, NULL);
+  }
+  
+  if (script_file)

   {
   {

-    marg.script_cmds_file = argv[1];
+    fclose(script_file);
+    script_file = NULL;

   }
   }

+  
+  ExitGraphics();
+  pthread_exit(NULL);
+  return NULL;
+}

 
 

+int main(int argc, char* argv[]) {
+       srand(time(0));
+  
+       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;
+
+/*
+  usb_init();

   if (!OpenProxmark(1)) {
     fprintf(stderr,"PROXMARK3: NOT FOUND!\n");
     marg.usb_present = 0;
   if (!OpenProxmark(1)) {
     fprintf(stderr,"PROXMARK3: NOT FOUND!\n");
     marg.usb_present = 0;


@@ -166,16 +226,56 @@ int main(int argc, char **argv)
     marg.usb_present = 1;
     offline = 0;
   }
     marg.usb_present = 1;
     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 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;
+       }

 
 

-  pthread_create(&main_loop_t, NULL, &main_loop, &marg);
-  InitGraphics(argc, argv);
+       // 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);

 
 

-  if (marg.usb_present == 1) {
-    CloseProxmark();
-  }
+       MainGraphics();
+
+       pthread_join(main_loop_t, NULL);
+
+//  if (marg.usb_present == 1) {
+//    CloseProxmark();
+//  }
+
+       // Clean up the port
+       uart_close(sp);
+  
+       // clean up mutex
+       pthread_mutex_destroy(&print_lock);
+  

   return 0;
 }
   return 0;
 }