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 **********************************************************/
33 static NTSTATUS just_change_the_password(struct rpc_pipe_client *cli, TALLOC_CTX *mem_ctx,
34 const unsigned char orig_trust_passwd_hash[16],
35 const unsigned char new_trust_passwd_hash[16],
36 uint32 sec_channel_type)
40 /* Check if the netlogon pipe is open using schannel. If so we
41 already have valid creds. If not we must set them up. */
43 if (cli->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL) {
44 uint32 neg_flags = NETLOGON_NEG_AUTH2_FLAGS;
46 result = rpccli_netlogon_setup_creds(cli,
47 cli->cli->desthost, /* server name */
48 lp_workgroup(), /* domain */
49 global_myname(), /* client name */
50 global_myname(), /* machine account name */
51 orig_trust_passwd_hash,
55 if (!NT_STATUS_IS_OK(result)) {
56 DEBUG(3,("just_change_the_password: unable to setup creds (%s)!\n",
62 result = rpccli_net_srv_pwset(cli, mem_ctx, global_myname(), new_trust_passwd_hash);
64 if (!NT_STATUS_IS_OK(result)) {
65 DEBUG(0,("just_change_the_password: unable to change password (%s)!\n",
71 /*********************************************************
72 Change the domain password on the PDC.
73 Store the password ourselves, but use the supplied password
74 Caller must have already setup the connection to the NETLOGON pipe
75 **********************************************************/
77 NTSTATUS trust_pw_change_and_store_it(struct rpc_pipe_client *cli, TALLOC_CTX *mem_ctx,
79 unsigned char orig_trust_passwd_hash[16],
80 uint32 sec_channel_type)
82 unsigned char new_trust_passwd_hash[16];
83 char *new_trust_passwd;
87 /* Create a random machine account password */
88 str = generate_random_str(DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH);
89 new_trust_passwd = talloc_strdup(mem_ctx, str);
91 E_md4hash(new_trust_passwd, new_trust_passwd_hash);
93 nt_status = just_change_the_password(cli, mem_ctx, orig_trust_passwd_hash,
94 new_trust_passwd_hash, sec_channel_type);
96 if (NT_STATUS_IS_OK(nt_status)) {
97 DEBUG(3,("%s : trust_pw_change_and_store_it: Changed password.\n",
100 * Return the result of trying to write the new password
101 * back into the trust account file.
103 if (!secrets_store_machine_password(new_trust_passwd, domain, sec_channel_type)) {
104 nt_status = NT_STATUS_UNSUCCESSFUL;
111 /*********************************************************
112 Change the domain password on the PDC.
113 Do most of the legwork ourselfs. Caller must have
114 already setup the connection to the NETLOGON pipe
115 **********************************************************/
117 NTSTATUS trust_pw_find_change_and_store_it(struct rpc_pipe_client *cli,
121 unsigned char old_trust_passwd_hash[16];
122 uint32 sec_channel_type = 0;
124 if (!secrets_fetch_trust_account_password(domain,
125 old_trust_passwd_hash,
126 NULL, &sec_channel_type)) {
127 DEBUG(0, ("could not fetch domain secrets for domain %s!\n", domain));
128 return NT_STATUS_UNSUCCESSFUL;
131 return trust_pw_change_and_store_it(cli, mem_ctx, domain,
132 old_trust_passwd_hash,
136 /*********************************************************************
137 Enumerate the list of trusted domains from a DC
138 *********************************************************************/
140 BOOL enumerate_domain_trusts( TALLOC_CTX *mem_ctx, const char *domain,
141 char ***domain_names, uint32 *num_domains,
145 NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
147 struct in_addr dc_ip;
149 struct cli_state *cli = NULL;
150 struct rpc_pipe_client *lsa_pipe;
153 *domain_names = NULL;
157 /* lookup a DC first */
159 if ( !get_dc_name(domain, NULL, dc_name, &dc_ip) ) {
160 DEBUG(3,("enumerate_domain_trusts: can't locate a DC for domain %s\n",
165 /* setup the anonymous connection */
167 result = cli_full_connection( &cli, global_myname(), dc_name, &dc_ip, 0, "IPC$", "IPC",
168 "", "", "", 0, Undefined, &retry);
169 if ( !NT_STATUS_IS_OK(result) )
172 /* open the LSARPC_PIPE */
174 lsa_pipe = cli_rpc_pipe_open_noauth( cli, PI_LSARPC, &result );
181 result = rpccli_lsa_open_policy(lsa_pipe, mem_ctx, True,
182 POLICY_VIEW_LOCAL_INFORMATION, &pol);
183 if ( !NT_STATUS_IS_OK(result) )
186 /* Lookup list of trusted domains */
188 result = rpccli_lsa_enum_trust_dom(lsa_pipe, mem_ctx, &pol, &enum_ctx,
189 num_domains, domain_names, sids);
190 if ( !NT_STATUS_IS_OK(result) )
196 DEBUG(10,("enumerate_domain_trusts: shutting down connection...\n"));
200 return NT_STATUS_IS_OK(result);