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                         const char *server,
  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         struct sockaddr_storage ss;
  43         char addrstr[INET6_ADDRSTRLEN];
  44         const char *dest_str;
  45         int ret;
  46         struct tsocket_address *dest_addr;
  47
  48         if (!interpret_string_addr_prefer_ipv4(&ss, server, 0)) {
  49                 DEBUG(2,("Failed to resolve[%s] into an address for cldap\n",
  50                         server));
  51                 return false;
  52         }
  53         dest_str = print_sockaddr(addrstr, sizeof(addrstr), &ss);
  54
  55         ret = tsocket_address_inet_from_strings(mem_ctx, "ip",
  56                                                 dest_str, LDAP_PORT,
  57                                                 &dest_addr);
  58         if (ret != 0) {
  59                 status = map_nt_error_from_unix(errno);
  60                 DEBUG(2,("Failed to create cldap tsocket_address for %s - %s\n",
  61                          dest_str, nt_errstr(status)));
  62                 return false;
  63         }
  64
  65         /*
  66          * as we use a connected udp socket
  67          */
  68         status = cldap_socket_init(mem_ctx, NULL, NULL, dest_addr, &cldap);
  69         TALLOC_FREE(dest_addr);
  70         if (!NT_STATUS_IS_OK(status)) {
  71                 DEBUG(2,("Failed to create cldap socket to %s: %s\n",
  72                          dest_str, nt_errstr(status)));
  73                 return false;
  74         }
  75
  76         reply = talloc(cldap, struct netlogon_samlogon_response);
  77         if (!reply) {
  78                 goto failed;
  79         }
  80
  81         /*
  82          * as we use a connected socket, so we don't need to specify the
  83          * destination
  84          */
  85         io.in.dest_address      = NULL;
  86         io.in.dest_port         = 0;
  87         io.in.realm             = realm;
  88         io.in.host              = NULL;
  89         io.in.user              = NULL;
  90         io.in.domain_guid       = NULL;
  91         io.in.domain_sid        = NULL;
  92         io.in.acct_control      = 0;
  93         io.in.version           = nt_version;
  94         io.in.map_response      = false;
  95
  96         status = cldap_netlogon(cldap, reply, &io);
  97         if (!NT_STATUS_IS_OK(status)) {
  98                 DEBUG(2,("cldap_netlogon() failed: %s\n", nt_errstr(status)));
  99                 goto failed;
 100         }
 101
 102         *reply = io.out.netlogon;
 103         *_reply = talloc_move(mem_ctx, &reply);
 104         TALLOC_FREE(cldap);
 105         return true;
 106 failed:
 107         TALLOC_FREE(cldap);
 108         return false;
 109 }
 110
 111 /*******************************************************************
 112   do a cldap netlogon query.  Always 389/udp
 113 *******************************************************************/
 114
 115 bool ads_cldap_netlogon_5(TALLOC_CTX *mem_ctx,
 116                           const char *server,
 117                           const char *realm,
 118                           struct NETLOGON_SAM_LOGON_RESPONSE_EX *reply5)
 119 {
 120         uint32_t nt_version = NETLOGON_NT_VERSION_5 | NETLOGON_NT_VERSION_5EX;
 121         struct netlogon_samlogon_response *reply = NULL;
 122         bool ret;
 123
 124         ret = ads_cldap_netlogon(mem_ctx, server, realm, nt_version, &reply);
 125         if (!ret) {
 126                 return false;
 127         }
 128
 129         if (reply->ntver != NETLOGON_NT_VERSION_5EX) {
 130                 DEBUG(0,("ads_cldap_netlogon_5: nt_version mismatch: 0x%08x\n",
 131                         reply->ntver));
 132                 return false;
 133         }
 134
 135         *reply5 = reply->data.nt5_ex;
 136
 137         return true;
 138 }