mirror of https://bitbucket.org/anguist/ntpa
65 lines
2.2 KiB
C#
65 lines
2.2 KiB
C#
//
|
|
// Copyright (c) 2013-2016 Carsten Sonne Larsen <cs@innolan.dk>
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
// of this software and associated documentation files (the "Software"), to deal
|
|
// in the Software without restriction, including without limitation the rights
|
|
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
// copies of the Software, and to permit persons to whom the Software is
|
|
// furnished to do so, subject to the following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be included in
|
|
// all copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
// THE SOFTWARE.
|
|
|
|
using Mono.Unix.Native;
|
|
|
|
namespace Ntp.Common.IO
|
|
{
|
|
public static class Permission
|
|
{
|
|
public static bool ChangeFileMode(string file, uint mode)
|
|
{
|
|
var permissions = NativeConvert.FromOctalPermissionString(mode.ToString());
|
|
return Syscall.chmod(file, permissions) == 0;
|
|
}
|
|
|
|
public static bool ChangeFileOwner(string file, uint user, uint? group)
|
|
{
|
|
return Syscall.chown(file, user, group ?? unchecked((uint) -1)) == 0;
|
|
}
|
|
|
|
public static uint? GetGroupId(string groupName)
|
|
{
|
|
var gr = Syscall.getgrnam(groupName);
|
|
return gr?.gr_gid;
|
|
}
|
|
|
|
public static uint? GetUserId(string userName)
|
|
{
|
|
var pw = Syscall.getpwnam(userName);
|
|
return pw?.pw_uid;
|
|
}
|
|
|
|
public static bool SetUserId(uint userId)
|
|
{
|
|
try
|
|
{
|
|
Syscall.seteuid(userId);
|
|
}
|
|
catch
|
|
{
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
}
|
|
} |