src/ExternalConnector.cpp

   1 //
   2 // This file is part of the aMule Project.
   3 //
   4 // Copyright (c) 2004-2011 aMule Team ( admin@amule.org / http://www.amule.org )
   5 //
   6 // Any parts of this program derived from the xMule, lMule or eMule project,
   7 // or contributed by third-party developers are copyrighted by their
   8 // respective authors.
   9 //
  10 // This program is free software; you can redistribute it and/or modify
  11 // it under the terms of the GNU General Public License as published by
  12 // the Free Software Foundation; either version 2 of the License, or
  13 // (at your option) any later version.
  14 //
  15 // This program is distributed in the hope that it will be useful,
  16 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 // GNU General Public License for more details.
  19 //
  20 // You should have received a copy of the GNU General Public License
  21 // along with this program; if not, write to the Free Software
  22 // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301, USA
  23 //
  24
  25 #include "ExternalConnector.h"
  26
  27 #ifdef HAVE_CONFIG_H
  28         #include "config.h"     // Needed for VERSION and readline detection
  29 #endif
  30
  31 #include <common/ClientVersion.h>
  32 #include <common/Format.h>              // Needed for CFormat
  33 #include <wx/tokenzr.h>         // For wxStringTokenizer
  34
  35 // For readline
  36 #ifdef HAVE_LIBREADLINE
  37         #if defined(HAVE_READLINE_READLINE_H)
  38                 #include <readline/readline.h>  // Do_not_auto_remove
  39         #elif defined(HAVE_READLINE_H)
  40                 #include <readline.h> // Do_not_auto_remove
  41         #else /* !defined(HAVE_READLINE_H) */
  42                 extern "C" char *readline (const char*);
  43         #endif /* !defined(HAVE_READLINE_H) */
  44 #else /* !defined(HAVE_READLINE_READLINE_H) */
  45         /* no readline */
  46 #endif /* HAVE_LIBREADLINE */
  47
  48 // For history
  49 #ifdef HAVE_READLINE_HISTORY
  50         #if defined(HAVE_READLINE_HISTORY_H)
  51                 #include <readline/history.h> // Do_not_auto_remove
  52         #elif defined(HAVE_HISTORY_H)
  53                 #include <history.h> // Do_not_auto_remove
  54         #else /* !defined(HAVE_HISTORY_H) */
  55                 extern "C" void add_history (const char*);
  56         #endif /* defined(HAVE_READLINE_HISTORY_H) */
  57 #else
  58         /* no history */
  59 #endif /* HAVE_READLINE_HISTORY */
  60
  61
  62 #include <ec/cpp/ECFileConfig.h>        // Needed for CECFileConfig
  63 #include <common/MD5Sum.h>
  64
  65 #ifdef _MSC_VER  // silly warnings about deprecated functions
  66 #pragma warning(disable:4996)
  67 #endif
  68
  69 //-------------------------------------------------------------------
  70
  71 CCommandTree::~CCommandTree()
  72 {
  73         DeleteContents(m_subcommands);
  74 }
  75
  76
  77 CCommandTree* CCommandTree::AddCommand(CCommandTree* command)
  78 {
  79         command->m_parent = this;
  80         const wxString& cmd = command->m_command;
  81         CmdPos_t it;
  82         for (it = m_subcommands.begin(); it != m_subcommands.end(); ++it) {
  83                 if ((*it)->m_command > cmd) {
  84                         break;
  85                 }
  86         }
  87         m_subcommands.insert(it, command);
  88         return command;
  89 }
  90
  91
  92 int CCommandTree::FindCommandId(const wxString& command, wxString& args, wxString& cmdstr) const
  93 {
  94         wxString cmd = command.BeforeFirst(wxT(' ')).Lower();
  95         for (CmdPosConst_t it = m_subcommands.begin(); it != m_subcommands.end(); ++it) {
  96                 if ((*it)->m_command.Lower() == cmd) {
  97                         args = command.AfterFirst(wxT(' ')).Trim(false);
  98                         return (*it)->FindCommandId(args, args, cmdstr);
  99                 }
 100         }
 101         cmdstr = GetFullCommand().Lower();
 102         if (m_params == CMD_PARAM_ALWAYS && args.IsEmpty()) {
 103                 return CMD_ERR_MUST_HAVE_PARAM;
 104         } else if (m_params == CMD_PARAM_NEVER && !args.IsEmpty()) {
 105                 return CMD_ERR_NO_PARAM;
 106         } else {
 107                 if ((m_cmd_id >= 0) && (m_cmd_id & CMD_DEPRECATED)) {
 108                         m_app.Show(wxT('\n') + m_verbose + wxT('\n'));
 109                         return m_cmd_id & ~CMD_DEPRECATED;
 110                 } else {
 111                         return m_cmd_id;
 112                 }
 113         }
 114 }
 115
 116
 117 wxString CCommandTree::GetFullCommand() const
 118 {
 119         wxString cmd = m_command;
 120
 121         const CCommandTree *parent = m_parent;
 122         while (parent && parent->m_parent) {
 123                 cmd = parent->m_command + wxT(" ") + cmd;
 124                 parent = parent->m_parent;
 125         }
 126
 127         return cmd;
 128 }
 129
 130
 131 void CCommandTree::PrintHelpFor(const wxString& command) const
 132 {
 133         wxString cmd = command.BeforeFirst(wxT(' ')).Lower();
 134         if (!cmd.IsEmpty()) {
 135                 for (CmdPosConst_t it = m_subcommands.begin(); it != m_subcommands.end(); ++it) {
 136                         if ((*it)->m_command.Lower() == cmd) {
 137                                 (*it)->PrintHelpFor(command.AfterFirst(wxT(' ')).Trim(false));
 138                                 return;
 139                         }
 140                 }
 141                 if (m_parent) {
 142                         m_app.Show(CFormat(_("Unknown extension '%s' for the '%s' command.\n")) % command % GetFullCommand());
 143                 } else {
 144                         m_app.Show(CFormat(_("Unknown command '%s'.\n")) % command);
 145                 }
 146         } else {
 147                 wxString fullcmd = GetFullCommand();
 148                 if (!fullcmd.IsEmpty()) {
 149                         m_app.Show(fullcmd.Upper() + wxT(": ") + wxGetTranslation(m_short) + wxT("\n"));
 150                         if (!m_verbose.IsEmpty()) {
 151                                 m_app.Show(wxT("\n"));
 152                                 m_app.Show(wxGetTranslation(m_verbose));
 153                         }
 154                 }
 155                 if (m_params == CMD_PARAM_NEVER) {
 156                         m_app.Show(_("\nThis command cannot have an argument.\n"));
 157                 } else if (m_params == CMD_PARAM_ALWAYS) {
 158                         m_app.Show(_("\nThis command must have an argument.\n"));
 159                 }
 160                 if (m_cmd_id == CMD_ERR_INCOMPLETE) {
 161                         m_app.Show(_("\nThis command is incomplete, you must use one of the extensions below.\n"));
 162                 }
 163                 if (!m_subcommands.empty()) {
 164                         CmdPosConst_t it;
 165                         int maxlen = 0;
 166                         if (m_parent) {
 167                                 m_app.Show(_("\nAvailable extensions:\n"));
 168                         } else {
 169                                 m_app.Show(_("Available commands:\n"));
 170                         }
 171                         for (it = m_subcommands.begin(); it != m_subcommands.end(); ++it) {
 172                                 if (!((*it)->m_cmd_id >= 0 && (*it)->m_cmd_id & CMD_DEPRECATED) || m_parent) {
 173                                         int len = (*it)->m_command.Length();
 174                                         if (len > maxlen) {
 175                                                 maxlen = len;
 176                                         }
 177                                 }
 178                         }
 179                         maxlen += 4;
 180                         for (it = m_subcommands.begin(); it != m_subcommands.end(); ++it) {
 181                                 if (!((*it)->m_cmd_id >= 0 && (*it)->m_cmd_id & CMD_DEPRECATED) || m_parent) {
 182                                         m_app.Show((*it)->m_command + wxString(wxT(' '), maxlen - (*it)->m_command.Length()) + wxGetTranslation((*it)->m_short) + wxT("\n"));
 183                                 }
 184                         }
 185                         if (!m_parent) {
 186                                 m_app.Show(CFormat(_("\nAll commands are case insensitive.\nType '%s <command>' to get detailed info on <command>.\n")) % wxT("help"));
 187                         }
 188                 }
 189         }
 190         m_app.Show(wxT("\n"));
 191 }
 192
 193 //-------------------------------------------------------------------
 194
 195 CaMuleExternalConnector::CaMuleExternalConnector()
 196         : m_configFile(NULL),
 197           m_port(-1),
 198           m_KeepQuiet(false),
 199           m_Verbose(false),
 200           m_interactive(false),
 201           m_commands(*this),
 202           m_ECClient(NULL),
 203           m_InputLine(NULL),
 204           m_NeedsConfigSave(false),
 205           m_locale(NULL),
 206           m_strFullVersion(NULL),
 207           m_strOSDescription(NULL)
 208 {
 209         SetAppName(wxT("aMule"));       // Do not change!
 210 }
 211
 212 CaMuleExternalConnector::~CaMuleExternalConnector()
 213 {
 214         delete m_configFile;
 215         delete m_locale;
 216         free(m_strFullVersion);
 217         free(m_strOSDescription);
 218 }
 219
 220 void CaMuleExternalConnector::OnInitCommandSet()
 221 {
 222         m_commands.AddCommand(wxT("Quit"), CMD_ID_QUIT, wxTRANSLATE("Exits from the application."), wxEmptyString);
 223         m_commands.AddCommand(wxT("Exit"), CMD_ID_QUIT, wxTRANSLATE("Exits from the application."), wxEmptyString);
 224         m_commands.AddCommand(wxT("Help"), CMD_ID_HELP, wxTRANSLATE("Show help."),
 225                               /* TRANSLATORS:
 226                                  Do not translate the word 'help', it is a command to the program! */
 227                               wxTRANSLATE("To get help on a command, type 'help <command>'.\nTo get the full command list type 'help'.\n"));
 228 }
 229
 230 void CaMuleExternalConnector::Show(const wxString &s)
 231 {
 232         if( !m_KeepQuiet ) {
 233                 printf("%s", (const char *)unicode2char(s));
 234 #ifdef __WXMSW__
 235                 fflush(stdout);
 236 #endif
 237         }
 238 }
 239
 240 void CaMuleExternalConnector::ShowGreet()
 241 {
 242         wxString text = GetGreetingTitle();
 243         int len = text.Length();
 244         Show(wxT('\n') + wxString(wxT('-'), 22 + len) + wxT('\n'));
 245         Show(wxT('|') + wxString(wxT(' '), 10) + text + wxString(wxT(' '), 10) + wxT('|') + wxT('\n'));
 246         Show(wxString(wxT('-'), 22 + len) + wxT('\n'));
 247         // Do not merge the line below, or translators could translate "Help"
 248         Show(CFormat(_("\nUse '%s' for command list\n\n")) % wxT("Help"));
 249 }
 250
 251 void CaMuleExternalConnector::Process_Answer(const wxString& answer)
 252 {
 253         wxStringTokenizer tokens(answer, wxT("\n"));
 254         while ( tokens.HasMoreTokens() ) {
 255                 Show(wxT(" > ") + tokens.GetNextToken() + wxT("\n"));
 256         }
 257 }
 258
 259 bool CaMuleExternalConnector::Parse_Command(const wxString& buffer)
 260 {
 261         wxString cmd;
 262         wxStringTokenizer tokens(buffer);
 263         while (tokens.HasMoreTokens()) {
 264                 cmd += tokens.GetNextToken() + wxT(' ');
 265         }
 266         cmd.Trim(false);
 267         cmd.Trim(true);
 268         int cmd_ID = GetIDFromString(cmd);
 269         if ( cmd_ID >= 0 ) {
 270                 cmd_ID = ProcessCommand(cmd_ID);
 271         }
 272         wxString error;
 273         switch (cmd_ID) {
 274                 case CMD_ID_HELP:
 275                         m_commands.PrintHelpFor(GetCmdArgs());
 276                         break;
 277                 case CMD_ERR_SYNTAX:
 278                         error = _("Syntax error!");
 279                         break;
 280                 case CMD_ERR_PROCESS_CMD:
 281                         Show(_("Error processing command - should never happen! Report bug, please\n"));
 282                         break;
 283                 case CMD_ERR_NO_PARAM:
 284                         error = _("This command should not have any parameters.");
 285                         break;
 286                 case CMD_ERR_MUST_HAVE_PARAM:
 287                         error = _("This command must have a parameter.");
 288                         break;
 289                 case CMD_ERR_INVALID_ARG:
 290                         error = _("Invalid argument.");
 291                         break;
 292                 case CMD_ERR_INCOMPLETE:
 293                         error = _("This is an incomplete command.");
 294                         break;
 295         }
 296         if (!error.IsEmpty()) {
 297                 Show(error + wxT('\n'));
 298                 wxString helpStr(wxT("help"));
 299                 if (!GetLastCmdStr().IsEmpty()) {
 300                         helpStr << wxT(' ') << GetLastCmdStr();
 301                 }
 302                 Show(CFormat(_("Type '%s' to get more help.\n")) % helpStr);
 303         }
 304         return cmd_ID == CMD_ID_QUIT;
 305 }
 306
 307 void CaMuleExternalConnector::GetCommand(const wxString &prompt, char* buffer, size_t buffer_size)
 308 {
 309 #ifdef HAVE_LIBREADLINE
 310                 char *text = readline(unicode2char(prompt + wxT("$ ")));
 311                 if (text && *text &&
 312                     (m_InputLine == 0 || strcmp(text,m_InputLine) != 0)) {
 313                   add_history (text);
 314                 }
 315                 if (m_InputLine)
 316                   free(m_InputLine);
 317                 m_InputLine = text;
 318 #else
 319                 Show(prompt + wxT("$ "));
 320                 const char *text = fgets(buffer, buffer_size, stdin);   // == buffer if ok, NULL if eof
 321 #endif /* HAVE_LIBREADLINE */
 322                 if ( text ) {
 323                         size_t len = strlen(text);
 324                         if (len > buffer_size - 1) {
 325                                 len = buffer_size - 1;
 326                         }
 327                         if (buffer != text) {
 328                                 strncpy(buffer, text, len);
 329                         }
 330                         buffer[len] = 0;
 331                 } else {
 332                         strncpy(buffer, "quit", buffer_size);
 333                 }
 334 }
 335
 336 void CaMuleExternalConnector::TextShell(const wxString &prompt)
 337 {
 338         char buffer[2048];
 339         wxString buf;
 340
 341         bool The_End = false;
 342         do {
 343                 GetCommand(prompt, buffer, sizeof buffer);
 344                 buf = char2unicode(buffer);
 345                 The_End = Parse_Command(buf);
 346         } while ((!The_End) && (m_ECClient->IsSocketConnected()));
 347 }
 348
 349 void CaMuleExternalConnector::ConnectAndRun(const wxString &ProgName, const wxString& ProgVersion)
 350 {
 351         if (m_NeedsConfigSave) {
 352                 SaveConfigFile();
 353                 return;
 354         }
 355
 356         #ifdef SVNDATE
 357                 Show(CFormat(_("This is %s %s %s\n")) % wxString::FromAscii(m_appname) % wxT(VERSION) % wxT(SVNDATE));
 358         #else
 359                 Show(CFormat(_("This is %s %s\n")) % wxString::FromAscii(m_appname) % wxT(VERSION));
 360         #endif
 361
 362         // HostName, Port and Password
 363         if ( m_password.IsEmpty() ) {
 364                 wxString pass_plain;
 365                 #ifndef __WXMSW__
 366                         pass_plain = char2unicode(getpass("Enter password for mule connection: "));
 367                 #else
 368                         //#warning This way, pass enter is not hidden on windows. Bad thing.
 369                         char temp_str[512];
 370                         fflush(stdin);
 371                         printf("Enter password for mule connection: \n");
 372                         fflush(stdout);
 373                         fgets(temp_str, 512, stdin);
 374                         temp_str[strlen(temp_str)-1] = '\0';
 375                         pass_plain = char2unicode(temp_str);
 376                 #endif
 377                 wxCHECK2(m_password.Decode(MD5Sum(pass_plain).GetHash()), /* Do nothing. */ );
 378                 // MD5 hash for an empty string, according to rfc1321.
 379                 if (m_password.Encode() == wxT("D41D8CD98F00B204E9800998ECF8427E")) {
 380                         m_password.Clear();
 381                 }
 382
 383                 // Clear plain-text password
 384                 pass_plain              = wxT("01234567890123456789");
 385         }
 386
 387         if (!m_password.IsEmpty()) {
 388
 389                 // Create the socket
 390                 Show(_("\nCreating client...\n"));
 391                 m_ECClient = new CRemoteConnect(NULL);
 392                 m_ECClient->SetCapabilities(m_ZLIB, true, false);       // ZLIB, UTF8 numbers, notification
 393
 394                 // ConnectToCore is blocking since m_ECClient was initialized with NULL
 395                 if (!m_ECClient->ConnectToCore(m_host, m_port, wxT("foobar"), m_password.Encode(), ProgName, ProgVersion)) {
 396                         // no connection => close gracefully
 397                         if (!m_ECClient->GetServerReply().IsEmpty()) {
 398                                         Show(CFormat(wxT("%s\n")) % m_ECClient->GetServerReply());
 399                         }
 400                         Show(CFormat(_("Connection Failed. Unable to connect to %s:%d\n")) % m_host % m_port);
 401                 } else {
 402                         // Authenticate ourselves
 403                         // ConnectToCore() already authenticated for us.
 404                         //m_ECClient->ConnectionEstablished();
 405                         Show(m_ECClient->GetServerReply()+wxT("\n"));
 406                         if (m_ECClient->IsSocketConnected()) {
 407                                 if (m_interactive) {
 408                                         ShowGreet();
 409                                 }
 410                                 Pre_Shell();
 411                                 TextShell(ProgName);
 412                                 Post_Shell();
 413                                 if (m_interactive) {
 414                                         Show(CFormat(_("\nOk, exiting %s...\n")) % ProgName);
 415                                 }
 416                         }
 417                 }
 418                 m_ECClient->DestroySocket();
 419         } else {
 420                 Show(_("Cannot connect with an empty password.\nYou must specify a password either in config file\nor on command-line, or enter one when asked.\n\nExiting...\n"));
 421         }
 422 }
 423
 424 void CaMuleExternalConnector::OnInitCmdLine(wxCmdLineParser& parser, const char* appname)
 425 {
 426         m_appname = appname;
 427
 428         parser.AddSwitch(wxEmptyString, wxT("help"),
 429                 _("Show this help text."),
 430                 wxCMD_LINE_PARAM_OPTIONAL);
 431         parser.AddOption(wxT("h"), wxT("host"),
 432                 _("Host where aMule is running. (default: localhost)"),
 433                 wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL);
 434         parser.AddOption(wxT("p"), wxT("port"),
 435                 _("aMule's port for External Connection. (default: 4712)"),
 436                 wxCMD_LINE_VAL_NUMBER, wxCMD_LINE_PARAM_OPTIONAL);
 437         parser.AddOption(wxT("P"), wxT("password"),
 438                 _("External Connection password."),
 439                 wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL);
 440         parser.AddOption(wxT("f"), wxT("config-file"),
 441                 _("Read configuration from file."),
 442                 wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL);
 443         parser.AddSwitch(wxT("q"), wxT("quiet"),
 444                 _("Do not print any output to stdout."),
 445                 wxCMD_LINE_PARAM_OPTIONAL);
 446         parser.AddSwitch(wxT("v"), wxT("verbose"),
 447                 _("Be verbose - show also debug messages."),
 448                 wxCMD_LINE_PARAM_OPTIONAL);
 449         parser.AddOption(wxT("l"), wxT("locale"),
 450                 _("Sets program locale (language)."),
 451                 wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL);
 452         parser.AddSwitch(wxT("w"), wxT("write-config"),
 453                 _("Write command line options to config file."),
 454                 wxCMD_LINE_PARAM_OPTIONAL);
 455         parser.AddOption(wxEmptyString, wxT("create-config-from"),
 456                 _("Creates config file based on aMule's config file."),
 457                 wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL);
 458         parser.AddSwitch(wxEmptyString, wxT("version"),
 459                 _("Print program version."),
 460                 wxCMD_LINE_PARAM_OPTIONAL);
 461 }
 462
 463 bool CaMuleExternalConnector::OnCmdLineParsed(wxCmdLineParser& parser)
 464 {
 465         if (parser.Found(wxT("version"))) {
 466                 printf("%s %s\n", m_appname, (const char *)unicode2char(GetMuleVersion()));
 467                 return false;
 468         }
 469
 470         if (!parser.Found(wxT("config-file"), &m_configFileName)) {
 471                 m_configFileName = GetConfigDir() + wxT("remote.conf");
 472         }
 473
 474         wxString aMuleConfigFile;
 475         if (parser.Found(wxT("create-config-from"), &aMuleConfigFile)) {
 476                 aMuleConfigFile = FinalizeFilename(aMuleConfigFile);
 477                 if (!::wxFileExists(aMuleConfigFile)) {
 478                         fprintf(stderr, "%s\n", (const char *)unicode2char(wxT("FATAL ERROR: File does not exist: ") + aMuleConfigFile));
 479                         exit(1);
 480                 }
 481                 CECFileConfig aMuleConfig(aMuleConfigFile);
 482                 LoadAmuleConfig(aMuleConfig);
 483                 SaveConfigFile();
 484                 m_configFile->Flush();
 485                 exit(0);
 486         }
 487
 488         LoadConfigFile();
 489
 490         if ( !parser.Found(wxT("host"), &m_host) ) {
 491                 if ( m_host.IsEmpty() ) {
 492                         m_host = wxT("localhost");
 493                 }
 494         }
 495
 496         long port;
 497         if (parser.Found(wxT("port"), &port)) {
 498                 m_port = port;
 499         }
 500
 501         wxString pass_plain;
 502         if (parser.Found(wxT("password"), &pass_plain)) {
 503                 if (!pass_plain.IsEmpty()) {
 504                         m_password.Decode(MD5Sum(pass_plain).GetHash());
 505                 } else {
 506                         m_password.Clear();
 507                 }
 508         }
 509
 510         if (parser.Found(wxT("write-config"))) {
 511                 m_NeedsConfigSave = true;
 512         }
 513
 514         parser.Found(wxT("locale"), &m_language);
 515
 516         if (parser.Found(wxT("help"))) {
 517                 parser.Usage();
 518                 return false;
 519         }
 520
 521         m_KeepQuiet = parser.Found(wxT("quiet"));
 522         m_Verbose = parser.Found(wxT("verbose"));
 523
 524         return true;
 525 }
 526
 527 void CaMuleExternalConnector::LoadAmuleConfig(CECFileConfig& cfg)
 528 {
 529         m_host = wxT("localhost");
 530         m_port = cfg.Read(wxT("/ExternalConnect/ECPort"), 4712l);
 531         cfg.ReadHash(wxT("/ExternalConnect/ECPassword"), &m_password);
 532         m_language = cfg.Read(wxT("/eMule/Language"), wxEmptyString);
 533 }
 534
 535
 536 void CaMuleExternalConnector::LoadConfigFile()
 537 {
 538         if (!m_configFile) {
 539                 m_configFile = new CECFileConfig(m_configFileName);
 540         }
 541         if (m_configFile) {
 542                 m_language = m_configFile->Read(wxT("/Locale"), wxEmptyString);
 543                 m_host = m_configFile->Read(wxT("/EC/Host"), wxEmptyString);
 544                 m_port = m_configFile->Read(wxT("/EC/Port"), 4712l);
 545                 m_configFile->ReadHash(wxT("/EC/Password"), &m_password);
 546                 m_ZLIB = m_configFile->Read(wxT("/EC/ZLIB"), 1l) != 0;
 547         }
 548 }
 549
 550 void CaMuleExternalConnector::SaveConfigFile()
 551 {
 552         if (!wxFileName::DirExists(GetConfigDir())) {
 553                 wxFileName::Mkdir(GetConfigDir());
 554         }
 555         if (!m_configFile) {
 556                 m_configFile = new CECFileConfig(m_configFileName);
 557         }
 558         if (m_configFile) {
 559                 m_configFile->Write(wxT("/Locale"), m_language);
 560                 m_configFile->Write(wxT("/EC/Host"), m_host);
 561                 m_configFile->Write(wxT("/EC/Port"), m_port);
 562                 m_configFile->WriteHash(wxT("/EC/Password"), m_password);
 563         }
 564 }
 565
 566 bool CaMuleExternalConnector::OnInit()
 567 {
 568 #ifndef __WXMSW__
 569         #if wxUSE_ON_FATAL_EXCEPTION
 570                 // catch fatal exceptions
 571                 wxHandleFatalExceptions(true);
 572         #endif
 573 #endif
 574
 575         m_strFullVersion = strdup((const char *)unicode2char(GetMuleVersion()));
 576         m_strOSDescription = strdup((const char *)unicode2char(wxGetOsDescription()));
 577
 578         // Handle uncaught exceptions
 579         InstallMuleExceptionHandler();
 580
 581         bool retval = wxApp::OnInit();
 582         OnInitCommandSet();
 583         InitCustomLanguages();
 584         SetLocale(m_language);
 585         return retval;
 586 }
 587
 588 wxString CaMuleExternalConnector::SetLocale(const wxString& language)
 589 {
 590         if (!language.IsEmpty()) {
 591                 m_language = language;
 592                 if (m_locale) {
 593                         delete m_locale;
 594                 }
 595                 m_locale = new wxLocale;
 596                 InitLocale(*m_locale, StrLang2wx(language));
 597         }
 598
 599         return m_locale == NULL ? wxString() : m_locale->GetCanonicalName();
 600 }
 601
 602 #if !wxUSE_GUI && defined(__WXMAC__) && !wxCHECK_VERSION(2, 9, 0)
 603
 604 #include <wx/apptrait.h> // Do_not_auto_remove
 605 #include <wx/stdpaths.h> // Do_not_auto_remove
 606
 607 class CaMuleExternalConnectorTraits : public wxConsoleAppTraits
 608 {
 609 public:
 610         virtual wxStandardPathsBase& GetStandardPaths()
 611         {
 612                 return s_stdPaths;
 613         }
 614
 615 private:
 616         static wxStandardPathsCF s_stdPaths;
 617 };
 618
 619 wxStandardPathsCF CaMuleExternalConnectorTraits::s_stdPaths;
 620
 621 wxAppTraits* CaMuleExternalConnector::CreateTraits()
 622 {
 623         return new CaMuleExternalConnectorTraits;
 624 }
 625
 626 #endif
 627
 628 #if wxUSE_ON_FATAL_EXCEPTION
 629 // Gracefully handle fatal exceptions and print backtrace if possible
 630 void CaMuleExternalConnector::OnFatalException()
 631 {
 632         /* Print the backtrace */
 633         fprintf(stderr, "\n--------------------------------------------------------------------------------\n");
 634         fprintf(stderr, "A fatal error has occurred and %s has crashed.\n", m_appname);
 635         fprintf(stderr, "Please assist us in fixing this problem by posting the backtrace below in our\n");
 636         fprintf(stderr, "'aMule Crashes' forum and include as much information as possible regarding the\n");
 637         fprintf(stderr, "circumstances of this crash. The forum is located here:\n");
 638         fprintf(stderr, "    http://forum.amule.org/index.php?board=67.0\n");
 639         fprintf(stderr, "If possible, please try to generate a real backtrace of this crash:\n");
 640         fprintf(stderr, "    http://wiki.amule.org/index.php/Backtraces\n\n");
 641         fprintf(stderr, "----------------------------=| BACKTRACE FOLLOWS: |=----------------------------\n");
 642         fprintf(stderr, "Current version is: %s %s\n", m_appname, m_strFullVersion);
 643         fprintf(stderr, "Running on: %s\n\n", m_strOSDescription);
 644
 645         print_backtrace(1); // 1 == skip this function.
 646
 647         fprintf(stderr, "\n--------------------------------------------------------------------------------\n");
 648 }
 649 #endif
 650
 651 #ifdef __WXDEBUG__
 652 void CaMuleExternalConnector::OnAssertFailure(const wxChar *file, int line, const wxChar *func, const wxChar *cond, const wxChar *msg)
 653 {
 654 #if !defined wxUSE_STACKWALKER || !wxUSE_STACKWALKER
 655         wxString errmsg = CFormat( wxT("%s:%s:%d: Assertion '%s' failed. %s") ) % file % func % line % cond % ( msg ? msg : wxT("") );
 656
 657         fprintf(stderr, "Assertion failed: %s\n", (const char*)unicode2char(errmsg));
 658
 659         // Skip the function-calls directly related to the assert call.
 660         fprintf(stderr, "\nBacktrace follows:\n");
 661         print_backtrace(3);
 662         fprintf(stderr, "\n");
 663 #else
 664         wxApp::OnAssertFailure(file, line, func, cond, msg);
 665 #endif
 666 }
 667 #endif
 668 // File_checked_for_headers