2 * Unix SMB/CIFS implementation.
3 * Routines to change trust account passwords.
4 * Copyright (C) Andrew Bartlett 2001.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 extern pstring global_myname;
25 /*********************************************************
26 Change the domain password on the PDC.
28 Just changes the password betwen the two values specified.
30 Caller must have the cli connected to the netlogon pipe
32 **********************************************************/
33 static NTSTATUS just_change_the_password(struct cli_state *cli, TALLOC_CTX *mem_ctx,
34 unsigned char orig_trust_passwd_hash[16],
35 unsigned char new_trust_passwd_hash[16])
38 uint32 neg_flags = 0x000001ff;
40 result = cli_nt_setup_creds(cli, get_sec_chan(), orig_trust_passwd_hash, &neg_flags, 2);
42 if (!NT_STATUS_IS_OK(result)) {
43 DEBUG(1,("just_change_the_password: unable to setup creds (%s)!\n",
48 result = cli_net_srv_pwset(cli, mem_ctx, global_myname, new_trust_passwd_hash);
50 if (!NT_STATUS_IS_OK(result)) {
51 DEBUG(0,("just_change_the_password: unable to change password (%s)!\n",
57 /*********************************************************
58 Change the domain password on the PDC.
59 Store the password ourselves, but use the supplied password
60 Caller must have already setup the connection to the NETLOGON pipe
61 **********************************************************/
63 NTSTATUS trust_pw_change_and_store_it(struct cli_state *cli, TALLOC_CTX *mem_ctx,
64 unsigned char orig_trust_passwd_hash[16])
66 unsigned char new_trust_passwd_hash[16];
67 char *new_trust_passwd;
71 /* Create a random machine account password */
72 str = generate_random_str(DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH);
73 new_trust_passwd = talloc_strdup(mem_ctx, str);
75 E_md4hash(new_trust_passwd, new_trust_passwd_hash);
77 nt_status = just_change_the_password(cli, mem_ctx, orig_trust_passwd_hash,
78 new_trust_passwd_hash);
80 if (NT_STATUS_IS_OK(nt_status)) {
81 DEBUG(3,("%s : trust_pw_change_and_store_it: Changed password.\n",
84 * Return the result of trying to write the new password
85 * back into the trust account file.
87 if (!secrets_store_machine_password(new_trust_passwd)) {
88 nt_status = NT_STATUS_UNSUCCESSFUL;
95 /*********************************************************
96 Change the domain password on the PDC.
97 Do most of the legwork ourselfs. Caller must have
98 already setup the connection to the NETLOGON pipe
99 **********************************************************/
101 NTSTATUS trust_pw_find_change_and_store_it(struct cli_state *cli, TALLOC_CTX *mem_ctx,
104 unsigned char old_trust_passwd_hash[16];
107 up_domain = talloc_strdup(mem_ctx, domain);
109 if (!secrets_fetch_trust_account_password(domain,
110 old_trust_passwd_hash,
112 DEBUG(0, ("could not fetch domain secrets for domain %s!\n", domain));
113 return NT_STATUS_UNSUCCESSFUL;
116 return trust_pw_change_and_store_it(cli, mem_ctx, old_trust_passwd_hash);