mysql5/mysql-5.7.27/sql-common/my_path_permissions.cc

55 lines
1.6 KiB
C++

/* Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
This program 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; version 2 of the License.
This program 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 program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA */
#include "my_dir.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
Check if a file/dir is world-writable (only on non-Windows platforms)
@param [in] Path of the file/dir to be checked
@returns Status of the file/dir check
@retval -2 Permission denied to check attributes of file/dir
@retval -1 Error in reading file/dir
@retval 0 File/dir is not world-writable
@retval 1 File/dir is world-writable
*/
int is_file_or_dir_world_writable(const char *path)
{
MY_STAT stat_info;
(void)path; // avoid unused param warning when built on Windows
#ifndef _WIN32
if (!my_stat(path, &stat_info, MYF(0)))
{
return (errno == EACCES) ? -2 : -1;
}
if ((stat_info.st_mode & S_IWOTH) &&
((stat_info.st_mode & S_IFMT) == S_IFREG || /* file */
(stat_info.st_mode & S_IFMT) == S_IFDIR)) /* or dir */
return 1;
#endif
return 0;
}
#ifdef __cplusplus
}
#endif