1 // 2 // Mono.Unix.PeerCred: Peer credentials class for AF_UNIX sockets 3 // 4 // Authors: 5 // Dick Porter (dick@ximian.com) 6 // 7 // (C) 2004 Novell, Inc (http://www.novell.com) 8 // 9 10 // 11 // Permission is hereby granted, free of charge, to any person obtaining 12 // a copy of this software and associated documentation files (the 13 // "Software"), to deal in the Software without restriction, including 14 // without limitation the rights to use, copy, modify, merge, publish, 15 // distribute, sublicense, and/or sell copies of the Software, and to 16 // permit persons to whom the Software is furnished to do so, subject to 17 // the following conditions: 18 // 19 // The above copyright notice and this permission notice shall be 20 // included in all copies or substantial portions of the Software. 21 // 22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 29 // 30 31 using System; 32 using System.Net.Sockets; 33 34 namespace Mono.Unix 35 { 36 #pragma warning disable 649 37 internal struct PeerCredData { 38 public int pid; 39 public int uid; 40 public int gid; 41 } 42 #pragma warning restore 649 43 44 public class PeerCred 45 { 46 /* Make sure this doesn't clash with anything in 47 * SocketOptionName, and keep it synchronised with the 48 * runtime 49 */ 50 private const int so_peercred=10001; 51 private PeerCredData data; 52 PeerCred(Socket sock)53 public PeerCred (Socket sock) { 54 if (sock.AddressFamily != AddressFamily.Unix) { 55 throw new ArgumentException ("Only Unix sockets are supported", "sock"); 56 } 57 58 data = (PeerCredData) 59 sock.GetSocketOption (SocketOptionLevel.Socket, (SocketOptionName)so_peercred); 60 } 61 62 public int ProcessID { 63 get { 64 return(data.pid); 65 } 66 } 67 68 public int UserID { 69 get { 70 return(data.uid); 71 } 72 } 73 74 public int GroupID { 75 get { 76 return(data.gid); 77 } 78 } 79 } 80 } 81 82