KasmVNC/common/rdr/Exception.cxx
2020-09-21 13:26:51 +03:00

111 lines
2.9 KiB
C++

/* 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>
#include <ws2tcpip.h>
#else
#include <netdb.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);
}
GAIException::GAIException(const char* s, int err)
: Exception("%s", s)
{
strncat(str_, ": ", len-1-strlen(str_));
#ifdef _WIN32
wchar_t *currStr = new wchar_t[len-strlen(str_)];
wcsncpy(currStr, gai_strerrorW(err), len-1-strlen(str_));
WideCharToMultiByte(CP_UTF8, 0, currStr, -1, str_+strlen(str_),
len-1-strlen(str_), 0, 0);
delete [] currStr;
#else
strncat(str_, gai_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_));
}
SystemException::SystemException(const char* s, int err_)
: Exception("%s", s), err(err_)
{
strncat(str_, ": ", len-1-strlen(str_));
#ifdef _WIN32
wchar_t *currStr = new wchar_t[len-strlen(str_)];
FormatMessageW(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
0, err, 0, currStr, len-1-strlen(str_), 0);
WideCharToMultiByte(CP_UTF8, 0, currStr, -1, str_+strlen(str_),
len-1-strlen(str_), 0, 0);
delete [] currStr;
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_));
}