verify wait isn't null

[proxmark3-svn] / client / proxmark3.c

diff --git a/client/proxmark3.c b/client/proxmark3.c
index db37780d2dcdd88a3a4a6a88b9ff33cde48d7477..f184d9e995e3f7078d75812aa6d907609dbb1597 100644 (file)
--- a/client/proxmark3.c
+++ b/client/proxmark3.c
@@ -16,159 +16,150 @@
 #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 "proxmark3.h"
 #include "proxgui.h"
 #include "cmdmain.h"
 #include "uart.h"
 #include "proxmark3.h"
 #include "proxgui.h"
 #include "cmdmain.h"
 #include "uart.h"

-#include "messages.h"

 #include "ui.h"
 #include "ui.h"

+#include "sleep.h"
+#include "cmdparser.h"
+#include "cmdhw.h"
+
+// a global mutex to prevent interlaced printing from different threads
+pthread_mutex_t print_lock;

 
 static serial_port sp;
 static UsbCommand txcmd;
 
 static serial_port sp;
 static UsbCommand txcmd;

-static bool txcmd_pending = false;
+volatile static bool txcmd_pending = false;

 
 void SendCommand(UsbCommand *c) {
 
 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;
+       #if 0
+               printf("Sending %d bytes\n", sizeof(UsbCommand));
+       #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;

 }
 
 struct receiver_arg {
 }
 
 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 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) {
 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) {
-    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;
+       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)) {
+                       prx += rxlen;
+                       if (((prx-rx) % sizeof(UsbCommand)) != 0) {
+                               continue;
+                       }
+                       cmd_count = (prx-rx) / sizeof(UsbCommand);
+
+                       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) {
 }
 
 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;
+       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)
-    {
-      printf("using 'scripting' commands file %s\n", arg->script_cmds_file);
-    }
-  }
+       if (arg->usb_present == 1) {
+               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];  // 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) {
+                       printf("using 'scripting' commands file %s\n", arg->script_cmds_file);
+               }
+       }

 
        read_history(".history");
 
        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))) != NULL)
-        {
-          memset(cmd, 0, strlen(script_cmd_buf));
-          strcpy(cmd, script_cmd_buf);
-          printf("%s\n", cmd);
-        }
-      }
-    }
-               
-               if (!script_file)
+
+       while(1)  {
+
+               // If there is a script file
+               if (script_file)

                {
                {

-      cmd = readline(PROXPROMPT);
+                       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) {
+                                       memset(cmd, 0, strlen(script_cmd_buf));
+                                       strcpy(cmd, script_cmd_buf);
+                                       printf("%s\n", cmd);
+                               }
+                       }
+               }
+               
+               if (!script_file) {
+                       cmd = readline(PROXPROMPT);

                }
                
                if (cmd) {
                }
                
                if (cmd) {

+

                        while(cmd[strlen(cmd) - 1] == ' ')
                        while(cmd[strlen(cmd) - 1] == ' ')

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

                        
                        if (cmd[0] != 0x00) {
                        
                        if (cmd[0] != 0x00) {

-                               if (strncmp(cmd, "quit", 4) == 0) {
+                               int ret = CommandReceived(cmd);
+                               add_history(cmd);
+                               if (ret == 99) {  // exit or quit

                                        break;
                                }
                                        break;
                                }

-                               
-                               CommandReceived(cmd);
-                               add_history(cmd);

                        }
                        free(cmd);
                } else {
                        }
                        free(cmd);
                } else {


@@ -179,76 +170,107 @@ static void *main_loop(void *targ) {
   
        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;
+       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[]) {
-  srand(time(0));
+static void dumpAllHelp(int markdown)
+{
+  printf("\n%sProxmark3 command dump%s\n\n",markdown?"# ":"",markdown?"":"\n======================");
+  printf("Some commands are available only if a Proxmark is actually connected.%s\n",markdown?"  ":"");
+  printf("Check column \"offline\" for their availability.\n");
+  printf("\n");
+  command_t *cmds = getTopLevelCommandTable();
+  dumpCommandsRecursive(cmds, markdown);
+}

 
 

-  if (argc < 2) {
-    printf("syntax: %s <port>\n\n",argv[0]);
-    return 1;
-  }
+int main(int argc, char* argv[]) {
+       srand(time(0));

   
   

-  // 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;
-    offline = 1;
-  } else {
-    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 {
-    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];
-  }
+       if (argc < 2) {
+               printf("syntax: %s <port>\n\n",argv[0]);
+               printf("\tLinux example:'%s /dev/ttyACM0'\n\n", argv[0]);
+               printf("help:   %s -h\n\n", argv[0]);
+               printf("\tDump all interactive help at once\n");
+               printf("markdown:   %s -m\n\n", argv[0]);
+               printf("\tDump all interactive help at once in markdown syntax\n");
+               return 1;
+       }
+       if (strcmp(argv[1], "-h") == 0) {
+               printf("syntax: %s <port>\n\n",argv[0]);
+               printf("\tLinux example:'%s /dev/ttyACM0'\n\n", argv[0]);
+               dumpAllHelp(0);
+               return 0;
+       }
+       if (strcmp(argv[1], "-m") == 0) {
+               dumpAllHelp(1);
+               return 0;
+       }
+       // Make sure to initialize
+       struct main_loop_arg marg = {
+               .usb_present = 0,
+               .script_cmds_file = NULL
+       };
+       pthread_t main_loop_threat;
+

   
   

-  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_threat, NULL, &main_loop, &marg);
+       InitGraphics(argc, argv);

 
 

-//  if (marg.usb_present == 1) {
-//    CloseProxmark();
-//  }
+       MainGraphics();

 
 

-  // Clean up the port
-  uart_close(sp);
-  
-  return 0;
+       pthread_join(main_loop_threat, NULL);
+
+       // Clean up the port
+       if (offline == 0) {
+               uart_close(sp);
+       }
+
+       // clean up mutex
+       pthread_mutex_destroy(&print_lock);
+
+       exit(0);

 }
 }