2 // Mono.Unix/UnixGroup.cs
5 // Jonathan Pryor (jonpryor@vt.edu)
7 // (C) 2004 Jonathan Pryor
9 // Permission is hereby granted, free of charge, to any person obtaining
10 // a copy of this software and associated documentation files (the
11 // "Software"), to deal in the Software without restriction, including
12 // without limitation the rights to use, copy, modify, merge, publish,
13 // distribute, sublicense, and/or sell copies of the Software, and to
14 // permit persons to whom the Software is furnished to do so, subject to
15 // the following conditions:
17 // The above copyright notice and this permission notice shall be
18 // included in all copies or substantial portions of the Software.
20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
30 using System.Collections;
35 public sealed class UnixGroup
37 private UnixGroup () {}
39 public static uint GetGroupId (string group)
41 return new UnixGroupInfo (group).GroupId;
44 public static string[] GetMembers (string group)
46 return new UnixGroupInfo (group).Members;
49 public static string[] GetMembers (uint group)
51 return new UnixGroupInfo (group).Members;
54 public static string GetName (uint group)
56 return new UnixGroupInfo (group).GroupName;
59 public static string GetPassword (string group)
61 return new UnixGroupInfo (group).Password;
64 public static string GetPassword (uint group)
66 return new UnixGroupInfo (group).Password;
69 public static UnixGroupInfo[] GetLocalGroups ()
71 ArrayList entries = new ArrayList ();
72 Syscall.SetLastError ((Error) 0);
73 lock (Syscall.grp_lock) {
75 if (Syscall.GetLastError () != (Error) 0)
76 UnixMarshal.ThrowExceptionForLastError ();
79 while ((g = Syscall.getgrent()) != null)
80 entries.Add (new UnixGroupInfo (g));
81 if (Syscall.GetLastError() != (Error) 0)
82 UnixMarshal.ThrowExceptionForLastError ();
88 return (UnixGroupInfo[]) entries.ToArray (typeof(UnixGroupInfo));