You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
109 lines
3.5 KiB
109 lines
3.5 KiB
/* Copyright (c) 2014, 2019, 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, version 2.0,
|
|
as published by the Free Software Foundation.
|
|
|
|
This program is also distributed with certain software (including
|
|
but not limited to OpenSSL) that is licensed under separate terms,
|
|
as designated in a particular file or component or in included license
|
|
documentation. The authors of MySQL hereby grant you an additional
|
|
permission to link the program and your derivative works with the
|
|
separately licensed software that they have included with MySQL.
|
|
|
|
Without limiting anything contained in the foregoing, this file,
|
|
which is part of C Driver for MySQL (Connector/C), is also subject to the
|
|
Universal FOSS Exception, version 1.0, a copy of which can be found at
|
|
http://oss.oracle.com/licenses/universal-foss-exception.
|
|
|
|
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, version 2.0, 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 St, Fifth Floor, Boston, MA 02110-1301 USA */
|
|
|
|
/**
|
|
@file mysys/my_chmod.cc
|
|
*/
|
|
|
|
#include <errno.h>
|
|
#include <fcntl.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/types.h>
|
|
|
|
#include "my_dbug.h"
|
|
#include "my_inttypes.h"
|
|
#include "my_io.h"
|
|
#include "my_sys.h"
|
|
#include "my_thread_local.h"
|
|
#include "mysys_err.h"
|
|
|
|
/*
|
|
Generate MY_MODE representation from perm_flags.
|
|
|
|
@param perm_flags Permission information
|
|
|
|
@return Permission in MY_STAT format
|
|
*/
|
|
|
|
MY_MODE get_file_perm(ulong perm_flags) {
|
|
MY_MODE file_perm = 0;
|
|
if (perm_flags <= 0) return file_perm;
|
|
|
|
#if defined _WIN32
|
|
if (perm_flags & (USER_READ | GROUP_READ | OTHERS_READ))
|
|
file_perm |= _S_IREAD;
|
|
if (perm_flags & (USER_WRITE | GROUP_WRITE | OTHERS_WRITE))
|
|
file_perm |= _S_IWRITE;
|
|
#else
|
|
if (perm_flags & USER_READ) file_perm |= S_IRUSR;
|
|
if (perm_flags & USER_WRITE) file_perm |= S_IWUSR;
|
|
if (perm_flags & USER_EXECUTE) file_perm |= S_IXUSR;
|
|
if (perm_flags & GROUP_READ) file_perm |= S_IRGRP;
|
|
if (perm_flags & GROUP_WRITE) file_perm |= S_IWGRP;
|
|
if (perm_flags & GROUP_EXECUTE) file_perm |= S_IXGRP;
|
|
if (perm_flags & OTHERS_READ) file_perm |= S_IROTH;
|
|
if (perm_flags & OTHERS_WRITE) file_perm |= S_IWOTH;
|
|
if (perm_flags & OTHERS_EXECUTE) file_perm |= S_IXOTH;
|
|
#endif
|
|
|
|
return file_perm;
|
|
}
|
|
|
|
/*
|
|
my_chmod : Change permission on a file
|
|
|
|
@param filename : Name of the file
|
|
@param perm_flags : Permission information
|
|
@param my_flags : Error handling
|
|
|
|
@return
|
|
@retval true : Error changing file permission
|
|
@retval false : File permission changed successfully
|
|
*/
|
|
|
|
bool my_chmod(const char *filename, ulong perm_flags, myf my_flags) {
|
|
int ret_val;
|
|
MY_MODE file_perm;
|
|
DBUG_TRACE;
|
|
DBUG_ASSERT(filename && filename[0]);
|
|
|
|
file_perm = get_file_perm(perm_flags);
|
|
#ifdef _WIN32
|
|
ret_val = _chmod(filename, file_perm);
|
|
#else
|
|
ret_val = chmod(filename, file_perm);
|
|
#endif
|
|
|
|
if (ret_val && (my_flags & (MY_FAE + MY_WME))) {
|
|
char errbuf[MYSYS_STRERROR_SIZE];
|
|
set_my_errno(errno);
|
|
my_error(EE_CHANGE_PERMISSIONS, MYF(0), filename, errno,
|
|
my_strerror(errbuf, sizeof(errbuf), errno));
|
|
}
|
|
|
|
return ret_val ? true : false;
|
|
}
|
|
|