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- /* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
- * Copyright (C) 2004 Red Hat Inc.
- * Copyright (C) 2010 TigerVNC Team
- *
- * This is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This software is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this software; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
- * USA.
- */
-
- #ifdef HAVE_CONFIG_H
- #include <config.h>
- #endif
-
- #include <stdio.h>
- #include <stdarg.h>
-
- #include <rdr/Exception.h>
- #include <rdr/TLSException.h>
- #ifdef _WIN32
- #include <tchar.h>
- #include <winsock2.h>
- #include <windows.h>
- #endif
-
- #include <string.h>
-
- #ifdef HAVE_GNUTLS
- #include <gnutls/gnutls.h>
- #endif
-
- using namespace rdr;
-
- Exception::Exception(const char *format, ...) {
- va_list ap;
-
- va_start(ap, format);
- (void) vsnprintf(str_, len, format, ap);
- va_end(ap);
- }
-
- SystemException::SystemException(const char* s, int err_)
- : Exception("%s", s), err(err_)
- {
- strncat(str_, ": ", len-1-strlen(str_));
- #ifdef _WIN32
- // Windows error messages are crap, so use unix ones for common errors.
- const char* msg = 0;
- switch (err) {
- case WSAECONNREFUSED: msg = "Connection refused"; break;
- case WSAETIMEDOUT: msg = "Connection timed out"; break;
- case WSAECONNRESET: msg = "Connection reset by peer"; break;
- case WSAECONNABORTED: msg = "Connection aborted"; break;
- }
- if (msg) {
- strncat(str_, msg, len-1-strlen(str_));
- } else {
- #ifdef UNICODE
- WCHAR* tmsg = new WCHAR[len-strlen(str_)];
- FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
- 0, err, 0, tmsg, len-1-strlen(str_), 0);
- WideCharToMultiByte(CP_ACP, 0, tmsg, wcslen(tmsg)+1,
- str_+strlen(str_), len-strlen(str_), 0, 0);
- delete [] tmsg;
- #else
- char* currStr = str_+strlen(str_);
- FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
- 0, err, 0, currStr, len-1-strlen(str_), 0);
- #endif
- int l = strlen(str_);
- if ((l >= 2) && (str_[l-2] == '\r') && (str_[l-1] == '\n'))
- str_[l-2] = 0;
- }
-
- #else
- strncat(str_, strerror(err), len-1-strlen(str_));
- #endif
- strncat(str_, " (", len-1-strlen(str_));
- char buf[20];
- #ifdef WIN32
- if (err < 0)
- sprintf(buf, "%x", err);
- else
- #endif
- sprintf(buf,"%d",err);
- strncat(str_, buf, len-1-strlen(str_));
- strncat(str_, ")", len-1-strlen(str_));
- }
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