KasmVNC/common/os/os.cxx

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2020-09-20 14:16:44 +02:00
/* Copyright (C) 2010 TightVNC Team. All Rights Reserved.
*
* 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 <os/os.h>
#include <assert.h>
#ifndef WIN32
#include <pwd.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <unistd.h>
#else
#include <windows.h>
#include <wininet.h> /* MinGW needs it */
#include <shlobj.h>
#endif
int getvnchomedir(char **dirp)
{
#ifndef WIN32
char *homedir, *dir;
size_t len;
uid_t uid;
struct passwd *passwd;
#else
TCHAR *dir;
BOOL ret;
#endif
assert(dirp != NULL && *dirp == NULL);
#ifndef WIN32
homedir = getenv("HOME");
if (homedir == NULL) {
uid = getuid();
passwd = getpwuid(uid);
if (passwd == NULL) {
/* Do we want emit error msg here? */
return -1;
}
homedir = passwd->pw_dir;
}
len = strlen(homedir);
dir = new char[len+7];
if (dir == NULL)
return -1;
memcpy(dir, homedir, len);
memcpy(dir + len, "/.vnc/\0", 7);
#else
dir = new TCHAR[MAX_PATH];
if (dir == NULL)
return -1;
ret = SHGetSpecialFolderPath(NULL, dir, CSIDL_APPDATA, FALSE);
if (ret == FALSE) {
delete [] dir;
return -1;
}
memcpy(dir+strlen(dir), (TCHAR *)"\\vnc\\\0", 6);
#endif
*dirp = dir;
return 0;
}
int fileexists(char *file)
{
#ifdef WIN32
return (GetFileAttributes(file) == INVALID_FILE_ATTRIBUTES) ? -1 : 0;
#else
return access(file, R_OK);
#endif
}