2 * Unix SMB/CIFS implementation.
3 * Routines to operate on various trust relationships
4 * Copyright (C) Andrew Bartlett 2001
5 * Copyright (C) Rafal Szczesniak 2003
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 /*********************************************************
25 Change the domain password on the PDC.
27 Just changes the password betwen the two values specified.
29 Caller must have the cli connected to the netlogon pipe
31 **********************************************************/
32 static NTSTATUS just_change_the_password(struct cli_state *cli, TALLOC_CTX *mem_ctx,
33 unsigned char orig_trust_passwd_hash[16],
34 unsigned char new_trust_passwd_hash[16])
37 uint32 neg_flags = 0x000001ff;
39 result = cli_nt_setup_creds(cli, get_sec_chan(), orig_trust_passwd_hash, &neg_flags, 2);
41 if (!NT_STATUS_IS_OK(result)) {
42 DEBUG(1,("just_change_the_password: unable to setup creds (%s)!\n",
47 result = cli_net_srv_pwset(cli, mem_ctx, global_myname(), new_trust_passwd_hash);
49 if (!NT_STATUS_IS_OK(result)) {
50 DEBUG(0,("just_change_the_password: unable to change password (%s)!\n",
56 /*********************************************************
57 Change the domain password on the PDC.
58 Store the password ourselves, but use the supplied password
59 Caller must have already setup the connection to the NETLOGON pipe
60 **********************************************************/
62 NTSTATUS trust_pw_change_and_store_it(struct cli_state *cli, TALLOC_CTX *mem_ctx,
63 unsigned char orig_trust_passwd_hash[16])
65 unsigned char new_trust_passwd_hash[16];
66 char *new_trust_passwd;
70 /* Create a random machine account password */
71 str = generate_random_str(DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH);
72 new_trust_passwd = talloc_strdup(mem_ctx, str);
74 E_md4hash(new_trust_passwd, new_trust_passwd_hash);
76 nt_status = just_change_the_password(cli, mem_ctx, orig_trust_passwd_hash,
77 new_trust_passwd_hash);
79 if (NT_STATUS_IS_OK(nt_status)) {
80 DEBUG(3,("%s : trust_pw_change_and_store_it: Changed password.\n",
83 * Return the result of trying to write the new password
84 * back into the trust account file.
86 if (!secrets_store_machine_password(new_trust_passwd)) {
87 nt_status = NT_STATUS_UNSUCCESSFUL;
94 /*********************************************************
95 Change the domain password on the PDC.
96 Do most of the legwork ourselfs. Caller must have
97 already setup the connection to the NETLOGON pipe
98 **********************************************************/
100 NTSTATUS trust_pw_find_change_and_store_it(struct cli_state *cli, TALLOC_CTX *mem_ctx,
103 unsigned char old_trust_passwd_hash[16];
106 up_domain = talloc_strdup(mem_ctx, domain);
108 if (!secrets_fetch_trust_account_password(domain,
109 old_trust_passwd_hash,
111 DEBUG(0, ("could not fetch domain secrets for domain %s!\n", domain));
112 return NT_STATUS_UNSUCCESSFUL;
115 return trust_pw_change_and_store_it(cli, mem_ctx, old_trust_passwd_hash);
121 * Verify whether or not given domain is trusted.
123 * @param domain_name name of the domain to be verified
124 * @return true if domain is one of the trusted once or
128 BOOL is_trusted_domain(const char* dom_name)
131 const int trustdom_size = 10;
135 fstring trustdom_name;
136 DOM_SID trustdom_sid;
140 * Query the secrets db as an ultimate source of information
141 * about trusted domain names. This is PDC or BDC case.
143 mem_ctx = talloc_init("is_trusted_domain");
146 result = secrets_get_trusted_domains(mem_ctx, &enum_ctx, trustdom_size,
147 &num_domains, &domains);
148 /* compare each returned entry against incoming connection's domain */
149 for (i = 0; i < num_domains; i++) {
150 pull_ucs2_fstring(trustdom_name, domains[i]->name);
151 if (strequal(trustdom_name, dom_name)) {
152 talloc_destroy(mem_ctx);
156 } while (NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES));
159 * Query the trustdom_cache updated periodically. The only
160 * way for domain member server.
162 if (trustdom_cache_enable() &&
163 trustdom_cache_fetch(dom_name, &trustdom_sid)) {
164 trustdom_cache_shutdown();
169 * if nothing's been found, then give up here, although
170 * the last resort might be to query the PDC.