source3/smbd/change_trust_pw.c

   1 /*
   2  *  Unix SMB/CIFS implementation.
   3  *  Periodic Trust account password changing.
   4  *  Copyright (C) Andrew Tridgell              1992-1997,
   5  *  Copyright (C) Luke Kenneth Casson Leighton 1996-1997,
   6  *  Copyright (C) Paul Ashton                       1997.
   7  *  Copyright (C) Jeremy Allison                    1998.
   8  *  Copyright (C) Andrew Bartlett                   2001.
   9  *
  10  *  This program is free software; you can redistribute it and/or modify
  11  *  it under the terms of the GNU General Public License as published by
  12  *  the Free Software Foundation; either version 3 of the License, or
  13  *  (at your option) any later version.
  14  *
  15  *  This program is distributed in the hope that it will be useful,
  16  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  *  GNU General Public License for more details.
  19  *
  20  *  You should have received a copy of the GNU General Public License
  21  *  along with this program; if not, see <http://www.gnu.org/licenses/>.
  22  */
  23
  24 #include "includes.h"
  25 #include "../librpc/gen_ndr/ndr_netlogon.h"
  26
  27 /************************************************************************
  28  Change the trust account password for a domain.
  29 ************************************************************************/
  30
  31 NTSTATUS change_trust_account_password( const char *domain, const char *remote_machine)
  32 {
  33         NTSTATUS nt_status = NT_STATUS_UNSUCCESSFUL;
  34         struct sockaddr_storage pdc_ss;
  35         fstring dc_name;
  36         struct cli_state *cli = NULL;
  37         struct rpc_pipe_client *netlogon_pipe = NULL;
  38
  39         DEBUG(5,("change_trust_account_password: Attempting to change trust account password in domain %s....\n",
  40                 domain));
  41
  42         if (remote_machine == NULL || !strcmp(remote_machine, "*")) {
  43                 /* Use the PDC *only* for this */
  44
  45                 if ( !get_pdc_ip(domain, &pdc_ss) ) {
  46                         DEBUG(0,("Can't get IP for PDC for domain %s\n", domain));
  47                         goto failed;
  48                 }
  49
  50                 if ( !name_status_find( domain, 0x1b, 0x20, &pdc_ss, dc_name) )
  51                         goto failed;
  52         } else {
  53                 /* supoport old deprecated "smbpasswd -j DOMAIN -r MACHINE" behavior */
  54                 fstrcpy( dc_name, remote_machine );
  55         }
  56
  57         /* if this next call fails, then give up.  We can't do
  58            password changes on BDC's  --jerry */
  59
  60         if (!NT_STATUS_IS_OK(cli_full_connection(&cli, global_myname(), dc_name,
  61                                            NULL, 0,
  62                                            "IPC$", "IPC",
  63                                            "", "",
  64                                            "", 0, Undefined, NULL))) {
  65                 DEBUG(0,("modify_trust_password: Connection to %s failed!\n", dc_name));
  66                 nt_status = NT_STATUS_UNSUCCESSFUL;
  67                 goto failed;
  68         }
  69
  70         /*
  71          * Ok - we have an anonymous connection to the IPC$ share.
  72          * Now start the NT Domain stuff :-).
  73          */
  74
  75         /* Shouldn't we open this with schannel ? JRA. */
  76
  77         nt_status = cli_rpc_pipe_open_noauth(
  78                 cli, &ndr_table_netlogon.syntax_id, &netlogon_pipe);
  79         if (!NT_STATUS_IS_OK(nt_status)) {
  80                 DEBUG(0,("modify_trust_password: unable to open the domain client session to machine %s. Error was : %s.\n",
  81                         dc_name, nt_errstr(nt_status)));
  82                 cli_shutdown(cli);
  83                 cli = NULL;
  84                 goto failed;
  85         }
  86
  87         nt_status = trust_pw_find_change_and_store_it(
  88                 netlogon_pipe, netlogon_pipe, domain);
  89
  90         cli_shutdown(cli);
  91         cli = NULL;
  92
  93 failed:
  94         if (!NT_STATUS_IS_OK(nt_status)) {
  95                 DEBUG(0,("%s : change_trust_account_password: Failed to change password for domain %s.\n",
  96                         current_timestring(talloc_tos(), False), domain));
  97         }
  98         else
  99                 DEBUG(5,("change_trust_account_password: sucess!\n"));
 100
 101         return nt_status;
 102 }