summaryrefslogtreecommitdiff
path: root/source3/smbd/change_trust_pw.c
blob: 4811083c2daf290374e3f920192501bafe62bfdd (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
/* 
 *  Unix SMB/CIFS implementation.
 *  Periodic Trust account password changing.
 *  Copyright (C) Andrew Tridgell              1992-1997,
 *  Copyright (C) Luke Kenneth Casson Leighton 1996-1997,
 *  Copyright (C) Paul Ashton                       1997.
 *  Copyright (C) Jeremy Allison                    1998.
 *  Copyright (C) Andrew Bartlett                   2001.
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *  
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *  
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include "includes.h"

extern pstring global_myname;

/*********************************************************
 Change the domain password on the PDC.
**********************************************************/

static NTSTATUS modify_trust_password( char *domain, char *remote_machine, 
				   unsigned char orig_trust_passwd_hash[16])
{
  struct cli_state *cli;
  DOM_SID domain_sid;
  NTSTATUS nt_status;

  /*
   * Ensure we have the domain SID for this domain.
   */

  if (!secrets_fetch_domain_sid(domain, &domain_sid)) {
    DEBUG(0, ("modify_trust_password: unable to fetch domain sid.\n"));
    return NT_STATUS_UNSUCCESSFUL;
  }

  if (!NT_STATUS_IS_OK(cli_full_connection(&cli, global_myname, remote_machine, 
					   NULL, 0,
					   "IPC$", "IPC",  
					   "", "",
					   "", 0, NULL))) {
	  DEBUG(0,("modify_trust_password: Connection to %s failed!\n", remote_machine));
	  return NT_STATUS_UNSUCCESSFUL;
  }
      
  /*
   * Ok - we have an anonymous connection to the IPC$ share.
   * Now start the NT Domain stuff :-).
   */

  if(cli_nt_session_open(cli, PI_NETLOGON) == False) {
    DEBUG(0,("modify_trust_password: unable to open the domain client session to \
machine %s. Error was : %s.\n", remote_machine, cli_errstr(cli)));
    cli_nt_session_close(cli);
    cli_ulogoff(cli);
    cli_shutdown(cli);
    return NT_STATUS_UNSUCCESSFUL;
  } 

  nt_status = trust_pw_change_and_store_it(cli, cli->mem_ctx,
					   orig_trust_passwd_hash);
  
  cli_nt_session_close(cli);
  cli_ulogoff(cli);
  cli_shutdown(cli);
  return nt_status;
}

/************************************************************************
 Change the trust account password for a domain.
************************************************************************/

NTSTATUS change_trust_account_password( char *domain, char *remote_machine_list)
{
  fstring remote_machine;
  unsigned char old_trust_passwd_hash[16];
  time_t lct;
  NTSTATUS res = NT_STATUS_UNSUCCESSFUL;

  if(!secrets_fetch_trust_account_password(domain, old_trust_passwd_hash, &lct)) {
    DEBUG(0,("change_trust_account_password: unable to read the machine \
account password for domain %s.\n", domain));
    return NT_STATUS_UNSUCCESSFUL;
  }

  while(remote_machine_list && 
	next_token(&remote_machine_list, remote_machine, 
		   LIST_SEP, sizeof(remote_machine))) {
    strupper(remote_machine);
    if(strequal(remote_machine, "*")) {

      /*
       * We have been asked to dynamcially determine the IP addresses of the PDC.
       */

      struct in_addr pdc_ip;
      fstring dc_name;

      /* Use the PDC *only* for this. */
      if(!get_pdc_ip(domain, &pdc_ip))
        continue;

      /*
       * Try and connect to the PDC/BDC list in turn as an IP
       * address used as a string.
       */

        if(!lookup_dc_name(global_myname, domain, &pdc_ip, dc_name))
          continue;
        if(NT_STATUS_IS_OK(res = modify_trust_password( domain, dc_name,
                                         old_trust_passwd_hash)))
          break;
    } else {
	    res = modify_trust_password( domain, remote_machine,
					 old_trust_passwd_hash);
    }

  }

  if (!NT_STATUS_IS_OK(res)) {
	  DEBUG(0,("%s : change_trust_account_password: Failed to change password for \
domain %s.\n", timestring(False), domain));
  }
  
  return res;
}