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_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",
61 result = rpccli_net_srv_pwset(cli, mem_ctx, global_myname(), new_trust_passwd_hash);
63 if (!NT_STATUS_IS_OK(result)) {
64 DEBUG(0,("just_change_the_password: unable to change password (%s)!\n",
70 /*********************************************************
71 Change the domain password on the PDC.
72 Store the password ourselves, but use the supplied password
73 Caller must have already setup the connection to the NETLOGON pipe
74 **********************************************************/
76 NTSTATUS trust_pw_change_and_store_it(struct rpc_pipe_client *cli, TALLOC_CTX *mem_ctx,
78 unsigned char orig_trust_passwd_hash[16],
79 uint32 sec_channel_type)
81 unsigned char new_trust_passwd_hash[16];
82 char *new_trust_passwd;
86 /* Create a random machine account password */
87 str = generate_random_str(DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH);
89 if ((new_trust_passwd = talloc_strdup(mem_ctx, str)) == NULL) {
90 DEBUG(0, ("talloc_strdup failed\n"));
91 return NT_STATUS_NO_MEMORY;
94 E_md4hash(new_trust_passwd, new_trust_passwd_hash);
96 nt_status = just_change_the_password(cli, mem_ctx, orig_trust_passwd_hash,
97 new_trust_passwd_hash, sec_channel_type);
99 if (NT_STATUS_IS_OK(nt_status)) {
100 DEBUG(3,("%s : trust_pw_change_and_store_it: Changed password.\n",
101 current_timestring(False)));
103 * Return the result of trying to write the new password
104 * back into the trust account file.
106 if (!secrets_store_machine_password(new_trust_passwd, domain, sec_channel_type)) {
107 nt_status = NT_STATUS_UNSUCCESSFUL;
114 /*********************************************************
115 Change the domain password on the PDC.
116 Do most of the legwork ourselfs. Caller must have
117 already setup the connection to the NETLOGON pipe
118 **********************************************************/
120 NTSTATUS trust_pw_find_change_and_store_it(struct rpc_pipe_client *cli,
124 unsigned char old_trust_passwd_hash[16];
125 uint32 sec_channel_type = 0;
127 if (!secrets_fetch_trust_account_password(domain,
128 old_trust_passwd_hash,
129 NULL, &sec_channel_type)) {
130 DEBUG(0, ("could not fetch domain secrets for domain %s!\n", domain));
131 return NT_STATUS_UNSUCCESSFUL;
134 return trust_pw_change_and_store_it(cli, mem_ctx, domain,
135 old_trust_passwd_hash,
139 /*********************************************************************
140 Enumerate the list of trusted domains from a DC
141 *********************************************************************/
143 bool enumerate_domain_trusts( TALLOC_CTX *mem_ctx, const char *domain,
144 char ***domain_names, uint32 *num_domains,
148 NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
150 struct in_addr dc_ip;
152 struct cli_state *cli = NULL;
153 struct rpc_pipe_client *lsa_pipe;
156 *domain_names = NULL;
160 /* lookup a DC first */
162 if ( !get_dc_name(domain, NULL, dc_name, &dc_ip) ) {
163 DEBUG(3,("enumerate_domain_trusts: can't locate a DC for domain %s\n",
168 /* setup the anonymous connection */
170 result = cli_full_connection( &cli, global_myname(), dc_name, &dc_ip, 0, "IPC$", "IPC",
171 "", "", "", 0, Undefined, &retry);
172 if ( !NT_STATUS_IS_OK(result) )
175 /* open the LSARPC_PIPE */
177 lsa_pipe = cli_rpc_pipe_open_noauth( cli, PI_LSARPC, &result );
184 result = rpccli_lsa_open_policy(lsa_pipe, mem_ctx, True,
185 POLICY_VIEW_LOCAL_INFORMATION, &pol);
186 if ( !NT_STATUS_IS_OK(result) )
189 /* Lookup list of trusted domains */
191 result = rpccli_lsa_enum_trust_dom(lsa_pipe, mem_ctx, &pol, &enum_ctx,
192 num_domains, domain_names, sids);
193 if ( !NT_STATUS_IS_OK(result) )
199 DEBUG(10,("enumerate_domain_trusts: shutting down connection...\n"));
203 return NT_STATUS_IS_OK(result);