mcs/class/Mono.Directory.LDAP/Mono.Directory.LDAP/LDAP.cs

   1 //
   2 // Mono.Directory.LDAP.LDAP
   3 //
   4 // Author:
   5 //    Chris Toshok (toshok@ximian.com)
   6 //
   7 // (C) Ximian, Inc.  http://www.ximian.com
   8 //
   9 //
  10 // Just enough (for now) LDAP support to get System.DirectoryServices
  11 // working.
  12
  13 //
  14 // Permission is hereby granted, free of charge, to any person obtaining
  15 // a copy of this software and associated documentation files (the
  16 // "Software"), to deal in the Software without restriction, including
  17 // without limitation the rights to use, copy, modify, merge, publish,
  18 // distribute, sublicense, and/or sell copies of the Software, and to
  19 // permit persons to whom the Software is furnished to do so, subject to
  20 // the following conditions:
  21 //
  22 // The above copyright notice and this permission notice shall be
  23 // included in all copies or substantial portions of the Software.
  24 //
  25 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  26 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  27 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  28 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  29 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  30 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  31 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  32 //
  33
  34 using System;
  35 using System.Runtime.InteropServices;
  36
  37 namespace Mono.Directory.LDAP
  38 {
  39         class TimeVal {
  40                 public int tv_sec;
  41                 public int tv_usec;
  42
  43                 public static TimeVal FromTimeSpan (TimeSpan span) {
  44                         TimeVal tv = new TimeVal();
  45                         long nanoseconds;
  46
  47                         /* make sure we're dealing with a positive TimeSpan */
  48                         span = span.Duration();
  49
  50                         nanoseconds = span.Ticks * 100;
  51
  52                         tv.tv_sec = (int)(nanoseconds / 1E+09);
  53                         tv.tv_usec = (int)((nanoseconds % 1E+09) / 1000);
  54
  55                         return tv;
  56                 }
  57         }
  58
  59         public enum SearchScope {
  60                 Base = 0x0000,
  61                 OneLevel = 0x0001,
  62                 SubTree = 0x0002
  63         }
  64
  65         public class LDAP {
  66
  67                 /* Search Scopes */
  68                 public LDAP (string uri) {
  69                         int rv;
  70                         rv = ldap_initialize (out ld, uri);
  71                         // FIXME throw something here if ldap_initialize returns an error
  72                 }
  73
  74                 public LDAP (string host, int port) {
  75                         ld = ldap_init (host, port);
  76                         // FIXME throw something here if ldap_init fails.
  77                 }
  78
  79                 public int BindSimple (string who, string cred) {
  80                         return ldap_simple_bind_s (ld, who, cred);
  81                 }
  82
  83                 public int StartTLS () {
  84                         // FIXME should expose client/server ctrls
  85                         return ldap_start_tls_s (ld, IntPtr.Zero, IntPtr.Zero);
  86                 }
  87
  88                 public int Search (string      base_entry,
  89                                    SearchScope scope,
  90                                    string      filter,
  91                                    string[]    attrs,
  92                                    bool        attrsonly,
  93                                    TimeSpan    timeOut,
  94                                    int         sizeLimit,
  95                                    out LDAPMessage res) {
  96                   // FIXME should expose client/server ctrls
  97                   IntPtr serverctrls = new IntPtr();
  98                   IntPtr clientctrls = new IntPtr();
  99                   TimeVal tv = TimeVal.FromTimeSpan (timeOut);
 100                   IntPtr native_res;
 101                   int rv;
 102
 103                   rv = ldap_search_ext_s (ld, base_entry, (int) scope, filter,
 104                                           attrs, attrsonly ? 1 : 0,
 105                                           serverctrls, clientctrls,
 106                                           ref tv, sizeLimit, out native_res);
 107
 108                   if (native_res != IntPtr.Zero)
 109                     res = new LDAPMessage (this, native_res);
 110                   else
 111                     res = null;
 112
 113                   return rv;
 114                 }
 115
 116                 public void Unbind () {
 117                         // FIXME should expose client/server ctrls
 118                         ldap_unbind_ext_s (ld, IntPtr.Zero, IntPtr.Zero);
 119                         // FIXME throw something here if ldap_unbind_ext_s returns an error
 120                 }
 121
 122                 public IntPtr NativeLDAP {
 123                         get { return ld; }
 124                 }
 125
 126                 [DllImport("ldap")]
 127                 static extern IntPtr ldap_init(string host, int port);
 128
 129                 [DllImport("ldap")]
 130                 static extern int ldap_initialize(out IntPtr ld, string uri);
 131
 132                 [DllImport("ldap")]
 133                 static extern int ldap_simple_bind_s(IntPtr ld,
 134                                                      string who, string cred);
 135
 136                 [DllImport("ldap")]
 137                 static extern int ldap_start_tls_s (IntPtr ld,
 138                                                     IntPtr serverctrls,
 139                                                     IntPtr clientctrls);
 140
 141                 [DllImport("ldap")]
 142                 static extern int ldap_search_ext_s (IntPtr     ld,
 143                                                      string     base_entry,
 144                                                      int        scope,
 145                                                      string     filter,
 146                                                      string[]   attrs,
 147                                                      int        attrsonly,
 148                                                      IntPtr     serverctrls,
 149                                                      IntPtr     clientctrls,
 150                                                      ref TimeVal timeout,
 151                                                      int        sizelimit,
 152                                                      out IntPtr res);
 153
 154                 [DllImport("ldap")]
 155                 static extern int ldap_unbind_ext_s (IntPtr     ld,
 156                                                      IntPtr     serverctrls,
 157                                                      IntPtr     clientctrls);
 158
 159                 IntPtr ld;
 160         }
 161 }