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 3 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, see <http://www.gnu.org/licenses/>.
23 /*********************************************************
24 Change the domain password on the PDC.
26 Just changes the password betwen the two values specified.
28 Caller must have the cli connected to the netlogon pipe
30 **********************************************************/
32 static NTSTATUS just_change_the_password(struct rpc_pipe_client *cli, TALLOC_CTX *mem_ctx,
33 const unsigned char orig_trust_passwd_hash[16],
34 const unsigned char new_trust_passwd_hash[16],
35 uint32 sec_channel_type)
39 /* Check if the netlogon pipe is open using schannel. If so we
40 already have valid creds. If not we must set them up. */
42 if (cli->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL) {
43 uint32 neg_flags = NETLOGON_NEG_SELECT_AUTH2_FLAGS;
45 result = rpccli_netlogon_setup_creds(cli,
46 cli->cli->desthost, /* server name */
47 lp_workgroup(), /* domain */
48 global_myname(), /* client name */
49 global_myname(), /* machine account name */
50 orig_trust_passwd_hash,
54 if (!NT_STATUS_IS_OK(result)) {
55 DEBUG(3,("just_change_the_password: unable to setup creds (%s)!\n",
62 struct netr_Authenticator clnt_creds, srv_cred;
63 struct samr_Password new_password;
65 netlogon_creds_client_step(cli->dc, &clnt_creds);
67 cred_hash3(new_password.hash,
68 new_trust_passwd_hash,
69 cli->dc->sess_key, 1);
71 result = rpccli_netr_ServerPasswordSet(cli, mem_ctx,
72 cli->dc->remote_machine,
80 /* Always check returned credentials. */
81 if (!netlogon_creds_client_check(cli->dc, &srv_cred.cred)) {
82 DEBUG(0,("rpccli_netr_ServerPasswordSet: "
83 "credentials chain check failed\n"));
84 return NT_STATUS_ACCESS_DENIED;
88 if (!NT_STATUS_IS_OK(result)) {
89 DEBUG(0,("just_change_the_password: unable to change password (%s)!\n",
95 /*********************************************************
96 Change the domain password on the PDC.
97 Store the password ourselves, but use the supplied password
98 Caller must have already setup the connection to the NETLOGON pipe
99 **********************************************************/
101 NTSTATUS trust_pw_change_and_store_it(struct rpc_pipe_client *cli, TALLOC_CTX *mem_ctx,
103 unsigned char orig_trust_passwd_hash[16],
104 uint32 sec_channel_type)
106 unsigned char new_trust_passwd_hash[16];
107 char *new_trust_passwd;
111 /* Create a random machine account password */
112 str = generate_random_str(DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH);
114 if ((new_trust_passwd = talloc_strdup(mem_ctx, str)) == NULL) {
115 DEBUG(0, ("talloc_strdup failed\n"));
116 return NT_STATUS_NO_MEMORY;
119 E_md4hash(new_trust_passwd, new_trust_passwd_hash);
121 nt_status = just_change_the_password(cli, mem_ctx, orig_trust_passwd_hash,
122 new_trust_passwd_hash, sec_channel_type);
124 if (NT_STATUS_IS_OK(nt_status)) {
125 DEBUG(3,("%s : trust_pw_change_and_store_it: Changed password.\n",
126 current_timestring(False)));
128 * Return the result of trying to write the new password
129 * back into the trust account file.
131 if (!secrets_store_machine_password(new_trust_passwd, domain, sec_channel_type)) {
132 nt_status = NT_STATUS_UNSUCCESSFUL;
139 /*********************************************************
140 Change the domain password on the PDC.
141 Do most of the legwork ourselfs. Caller must have
142 already setup the connection to the NETLOGON pipe
143 **********************************************************/
145 NTSTATUS trust_pw_find_change_and_store_it(struct rpc_pipe_client *cli,
149 unsigned char old_trust_passwd_hash[16];
150 uint32 sec_channel_type = 0;
152 if (!secrets_fetch_trust_account_password(domain,
153 old_trust_passwd_hash,
154 NULL, &sec_channel_type)) {
155 DEBUG(0, ("could not fetch domain secrets for domain %s!\n", domain));
156 return NT_STATUS_UNSUCCESSFUL;
159 return trust_pw_change_and_store_it(cli, mem_ctx, domain,
160 old_trust_passwd_hash,
164 /*********************************************************************
165 Enumerate the list of trusted domains from a DC
166 *********************************************************************/
168 bool enumerate_domain_trusts( TALLOC_CTX *mem_ctx, const char *domain,
169 char ***domain_names, uint32 *num_domains,
173 NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
175 struct sockaddr_storage dc_ss;
177 struct cli_state *cli = NULL;
178 struct rpc_pipe_client *lsa_pipe;
180 struct lsa_DomainList dom_list;
183 *domain_names = NULL;
187 /* lookup a DC first */
189 if ( !get_dc_name(domain, NULL, dc_name, &dc_ss) ) {
190 DEBUG(3,("enumerate_domain_trusts: can't locate a DC for domain %s\n",
195 /* setup the anonymous connection */
197 result = cli_full_connection( &cli, global_myname(), dc_name, &dc_ss, 0, "IPC$", "IPC",
198 "", "", "", 0, Undefined, &retry);
199 if ( !NT_STATUS_IS_OK(result) )
202 /* open the LSARPC_PIPE */
204 lsa_pipe = cli_rpc_pipe_open_noauth( cli, PI_LSARPC, &result );
211 result = rpccli_lsa_open_policy(lsa_pipe, mem_ctx, True,
212 POLICY_VIEW_LOCAL_INFORMATION, &pol);
213 if ( !NT_STATUS_IS_OK(result) )
216 /* Lookup list of trusted domains */
218 result = rpccli_lsa_EnumTrustDom(lsa_pipe, mem_ctx,
223 if ( !NT_STATUS_IS_OK(result) )
226 *num_domains = dom_list.count;
228 *domain_names = TALLOC_ZERO_ARRAY(mem_ctx, char *, *num_domains);
229 if (!*domain_names) {
230 result = NT_STATUS_NO_MEMORY;
234 *sids = TALLOC_ZERO_ARRAY(mem_ctx, DOM_SID, *num_domains);
236 result = NT_STATUS_NO_MEMORY;
240 for (i=0; i< *num_domains; i++) {
241 (*domain_names)[i] = CONST_DISCARD(char *, dom_list.domains[i].name.string);
242 (*sids)[i] = *dom_list.domains[i].sid;
248 DEBUG(10,("enumerate_domain_trusts: shutting down connection...\n"));
252 return NT_STATUS_IS_OK(result);