tools/brawchannel.cc

   1 ///
   2 /// \file       brawchannel.cc
   3 ///
   4 ///
   5
   6 /*
   7     Copyright (C) 2010, RealVNC Ltd.
   8
   9         Some parts are inspired from bjavaloader.cc
  10
  11     This program is free software; you can redistribute it and/or modify
  12     it under the terms of the GNU General Public License as published by
  13     the Free Software Foundation; either version 2 of the License, or
  14     (at your option) any later version.
  15
  16     This program is distributed in the hope that it will be useful,
  17     but WITHOUT ANY WARRANTY; without even the implied warranty of
  18     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  19
  20     See the GNU General Public License in the COPYING file at the
  21     root directory of this project for more details.
  22 */
  23
  24
  25 #include <barry/barry.h>
  26 #include <iostream>
  27 #include <vector>
  28 #include <string>
  29 #include <cstring>
  30 #include <cstdio>
  31 #include <algorithm>
  32 #include <getopt.h>
  33 #include <fstream>
  34 #include <string.h>
  35 #include <unistd.h>
  36 #include <sys/types.h>
  37
  38 #include "i18n.h"
  39
  40 using namespace std;
  41 using namespace Barry;
  42
  43 class StdoutWriter : public Barry::Mode::RawChannelDataCallback
  44 {
  45 public:
  46         StdoutWriter(bool& keepGoing, bool verbose)
  47                 : m_continuePtr(&keepGoing)
  48                 , m_verbose(verbose)
  49                 {
  50                 }
  51
  52
  53         void DataReceived(Data& data)
  54                 {
  55                         if (m_verbose)
  56                         {
  57                                 std::cerr << "From BB: ";
  58                                 data.DumpHex(std::cerr);
  59                                 std::cerr << "\n";
  60                         }
  61
  62                         size_t toWrite = data.GetSize();
  63                         size_t written = 0;
  64
  65                         while (written < toWrite && *m_continuePtr)
  66                         {
  67                                 ssize_t writtenThisTime = write(STDOUT_FILENO, &(data.GetData()[written]), toWrite - written);
  68                                 if (m_verbose)
  69                                         cerr << "Written " << writtenThisTime << " bytes over stdout\n";
  70                                 std::fflush(stdout);
  71                                 if (writtenThisTime < 0)
  72                                 {
  73                                         *m_continuePtr = false;
  74                                 }
  75                                 else
  76                                 {
  77                                         written += writtenThisTime;
  78                                 }
  79                         }
  80                 }
  81
  82 private:
  83         bool* m_continuePtr;
  84         bool m_verbose;
  85 };
  86
  87 void Usage()
  88 {
  89         int major, minor;
  90         const char *Version = Barry::Version(major, minor);
  91
  92         cerr
  93                 << "brawchannel - Command line USB Blackberry raw channel interface\n"
  94                 << "        Copyright 2010, RealVNC Ltd.\n"
  95                 << "        Using: " << Version << "\n"
  96                 << "\n"
  97                 << "Usage:\n"
  98                 << "brawchannel [options] <channel name>\n"
  99                 << "\n"
 100                 << "   -h        This help\n"
 101                 << "   -p pin    PIN of device to talk with\n"
 102                 << "             If only one device is plugged in, this flag is optional\n"
 103                 << "   -P pass   Simplistic method to specify device password\n"
 104                 << "   -v        Dump protocol data during operation\n"
 105                 << endl;
 106 }
 107
 108 int main(int argc, char *argv[])
 109 {
 110         INIT_I18N(PACKAGE);
 111
 112         cout.sync_with_stdio(true);     // leave this on, since libusb uses
 113                                         // stdio for debug messages
 114
 115         try {
 116                 uint32_t pin = 0;
 117                 bool data_dump = false;
 118                 string password;
 119                 vector<string> params;
 120                 string busname;
 121                 string devname;
 122                 string iconvCharset;
 123                 Usb::EndpointPair epOverride;
 124
 125                 // process command line options
 126                 for(;;) {
 127                         int cmd = getopt(argc, argv, "hp:P:v");
 128                         if( cmd == -1 )
 129                                 break;
 130
 131                         switch( cmd )
 132                         {
 133                         case 'p':       // Blackberry PIN
 134                                 pin = strtoul(optarg, NULL, 16);
 135                                 break;
 136
 137                         case 'P':       // Device password
 138                                 password = optarg;
 139                                 break;
 140
 141                         case 'v':       // data dump on
 142                                 data_dump = true;
 143                                 break;
 144
 145                         case 'h':       // help
 146                         default:
 147                                 Usage();
 148                         return 0;
 149                         }
 150                 }
 151
 152                 argc -= optind;
 153                 argv += optind;
 154
 155                 if( argc < 1 ) {
 156                         cerr << "Error: Missing raw channel name." << endl;
 157                         Usage();
 158                         return 1;
 159                 }
 160
 161                 // Fetch command from remaining arguments
 162                 string channelName = argv[0];
 163                 argc --;
 164                 argv ++;
 165
 166                 // Put the remaining arguments into an array
 167                 for (; argc > 0; argc --, argv ++) {
 168                         params.push_back(string(argv[0]));
 169                 }
 170
 171                 // Initialize the barry library.  Must be called before
 172                 // anything else.
 173                 Barry::Init(data_dump);
 174
 175                 // Probe the USB bus for Blackberry devices and display.
 176                 // If user has specified a PIN, search for it in the
 177                 // available device list here as well
 178                 Barry::Probe probe;
 179                 int activeDevice = probe.FindActive(pin);
 180                 if( activeDevice == -1 ) {
 181                         cerr << "No device selected, or PIN not found" << endl;
 182                         return 1;
 183                 }
 184
 185                 // Now start to read from cin and get ready to write
 186                 // to the BlackBerry.
 187                 if (data_dump)
 188                         std::cerr << "Connected to device, starting read/write\n";
 189
 190                 bool running = true;
 191
 192                 // Create the thing which will write onto stdout
 193                 StdoutWriter stdoutWriter(running, data_dump);
 194
 195                 // Set up the BlackBerry gubbins
 196                 // Start a thread to handle any data arriving from
 197                 // the BlackBerry.
 198                 auto_ptr<SocketRoutingQueue> router;
 199                 router.reset(new SocketRoutingQueue);
 200                 router->SpinoffSimpleReadThread();
 201
 202                 // Create our controller object
 203                 Barry::Controller con(probe.Get(activeDevice), *router);
 204                 Barry::Mode::RawChannel rawChannel(con, stdoutWriter);
 205
 206                 //
 207                 // execute each mode that was turned on
 208                 //
 209                 rawChannel.Open(password.c_str(), channelName.c_str());
 210
 211                 // We now have a thread running to read from the
 212                 // BB and write over stdout; in this thread we'll
 213                 // read from stdin and write to the BB.
 214                 unsigned char buf[Barry::Mode::RawChannel::MaximumPacketContentsSize];
 215                 while (running)
 216                 {
 217                         size_t haveRead = read(STDIN_FILENO, buf, sizeof(buf));
 218                         if (haveRead > 0)
 219                         {
 220                                 Data toWrite(buf, haveRead);
 221                                 if(data_dump)
 222                                 {
 223                                         std::cerr << "Sending " << haveRead << " bytes stdin->USB\n";
 224                                         std::cerr << "To BB: ";
 225                                         toWrite.DumpHex(std::cerr);
 226                                         std::cerr << "\n";
 227                                 }
 228                                 rawChannel.Send(toWrite);
 229                                 if(data_dump)
 230                                         std::cerr << "Sent " << haveRead << " bytes stdin->USB\n";
 231                         }
 232                         else if (haveRead < 0 || !std::cin.good())
 233                         {
 234                                 running = false;
 235                         }
 236                 }
 237         }
 238         catch( Usb::Error &ue) {
 239                 std::cerr << "Usb::Error caught: " << ue.what() << endl;
 240                 return 1;
 241         }
 242         catch( Barry::Error &se ) {
 243                 std::cerr << "Barry::Error caught: " << se.what() << endl;
 244                 return 1;
 245         }
 246         catch( std::exception &e ) {
 247                 std::cerr << "std::exception caught: " << e.what() << endl;
 248                 return 1;
 249         }
 250
 251         return 0;
 252 }
 253