source3/libads/cldap.c

   1 /*
   2    Samba Unix/Linux SMB client library
   3    net ads cldap functions
   4    Copyright (C) 2001 Andrew Tridgell (tridge@samba.org)
   5    Copyright (C) 2003 Jim McDonough (jmcd@us.ibm.com)
   6    Copyright (C) 2008 Guenther Deschner (gd@samba.org)
   7    Copyright (C) 2009 Stefan Metzmacher (metze@samba.org)
   8
   9    This program is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 3 of the License, or
  12    (at your option) any later version.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  21 */
  22
  23 #include "includes.h"
  24 #include "../libcli/cldap/cldap.h"
  25 #include "../lib/tsocket/tsocket.h"
  26 #include "libads/cldap.h"
  27
  28 /*******************************************************************
  29   do a cldap netlogon query.  Always 389/udp
  30 *******************************************************************/
  31
  32 bool ads_cldap_netlogon(TALLOC_CTX *mem_ctx,
  33                         struct sockaddr_storage *ss,
  34                         const char *realm,
  35                         uint32_t nt_version,
  36                         struct netlogon_samlogon_response **_reply)
  37 {
  38         struct cldap_socket *cldap;
  39         struct cldap_netlogon io;
  40         struct netlogon_samlogon_response *reply;
  41         NTSTATUS status;
  42         char addrstr[INET6_ADDRSTRLEN];
  43         const char *dest_str;
  44         int ret;
  45         struct tsocket_address *dest_addr;
  46
  47         dest_str = print_sockaddr(addrstr, sizeof(addrstr), ss);
  48
  49         ret = tsocket_address_inet_from_strings(mem_ctx, "ip",
  50                                                 dest_str, LDAP_PORT,
  51                                                 &dest_addr);
  52         if (ret != 0) {
  53                 status = map_nt_error_from_unix(errno);
  54                 DEBUG(2,("Failed to create cldap tsocket_address for %s - %s\n",
  55                          dest_str, nt_errstr(status)));
  56                 return false;
  57         }
  58
  59         /*
  60          * as we use a connected udp socket
  61          */
  62         status = cldap_socket_init(mem_ctx, NULL, NULL, dest_addr, &cldap);
  63         TALLOC_FREE(dest_addr);
  64         if (!NT_STATUS_IS_OK(status)) {
  65                 DEBUG(2,("Failed to create cldap socket to %s: %s\n",
  66                          dest_str, nt_errstr(status)));
  67                 return false;
  68         }
  69
  70         reply = talloc(cldap, struct netlogon_samlogon_response);
  71         if (!reply) {
  72                 goto failed;
  73         }
  74
  75         /*
  76          * as we use a connected socket, so we don't need to specify the
  77          * destination
  78          */
  79         io.in.dest_address      = NULL;
  80         io.in.dest_port         = 0;
  81         io.in.realm             = realm;
  82         io.in.host              = NULL;
  83         io.in.user              = NULL;
  84         io.in.domain_guid       = NULL;
  85         io.in.domain_sid        = NULL;
  86         io.in.acct_control      = 0;
  87         io.in.version           = nt_version;
  88         io.in.map_response      = false;
  89
  90         status = cldap_netlogon(cldap, reply, &io);
  91         if (!NT_STATUS_IS_OK(status)) {
  92                 DEBUG(2,("cldap_netlogon() failed: %s\n", nt_errstr(status)));
  93                 goto failed;
  94         }
  95
  96         *reply = io.out.netlogon;
  97         *_reply = talloc_move(mem_ctx, &reply);
  98         TALLOC_FREE(cldap);
  99         return true;
 100 failed:
 101         TALLOC_FREE(cldap);
 102         return false;
 103 }
 104
 105 /*******************************************************************
 106   do a cldap netlogon query.  Always 389/udp
 107 *******************************************************************/
 108
 109 bool ads_cldap_netlogon_5(TALLOC_CTX *mem_ctx,
 110                           struct sockaddr_storage *ss,
 111                           const char *realm,
 112                           struct NETLOGON_SAM_LOGON_RESPONSE_EX *reply5)
 113 {
 114         uint32_t nt_version = NETLOGON_NT_VERSION_5 | NETLOGON_NT_VERSION_5EX;
 115         struct netlogon_samlogon_response *reply = NULL;
 116         bool ret;
 117
 118         ret = ads_cldap_netlogon(mem_ctx, ss, realm, nt_version, &reply);
 119         if (!ret) {
 120                 return false;
 121         }
 122
 123         if (reply->ntver != NETLOGON_NT_VERSION_5EX) {
 124                 DEBUG(0,("ads_cldap_netlogon_5: nt_version mismatch: 0x%08x\n",
 125                         reply->ntver));
 126                 return false;
 127         }
 128
 129         *reply5 = reply->data.nt5_ex;
 130
 131         return true;
 132 }