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/>.
22 #include "../libcli/auth/libcli_auth.h"
23 #include "rpc_client/cli_netlogon.h"
24 #include "rpc_client/cli_pipe.h"
25 #include "../librpc/gen_ndr/ndr_netlogon.h"
28 #include "libsmb/libsmb.h"
30 /*********************************************************
31 Change the domain password on the PDC.
32 Store the password ourselves, but use the supplied password
33 Caller must have already setup the connection to the NETLOGON pipe
34 **********************************************************/
36 NTSTATUS trust_pw_change_and_store_it(struct rpc_pipe_client *cli, TALLOC_CTX *mem_ctx,
38 const char *account_name,
39 unsigned char orig_trust_passwd_hash[16],
40 enum netr_SchannelType sec_channel_type)
42 unsigned char new_trust_passwd_hash[16];
43 char *new_trust_passwd;
46 switch (sec_channel_type) {
51 return NT_STATUS_NOT_SUPPORTED;
54 /* Create a random machine account password */
55 new_trust_passwd = generate_random_str(mem_ctx, DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH);
57 if (new_trust_passwd == NULL) {
58 DEBUG(0, ("talloc_strdup failed\n"));
59 return NT_STATUS_NO_MEMORY;
62 E_md4hash(new_trust_passwd, new_trust_passwd_hash);
64 nt_status = rpccli_netlogon_set_trust_password(cli, mem_ctx,
66 orig_trust_passwd_hash,
68 new_trust_passwd_hash,
71 if (NT_STATUS_IS_OK(nt_status)) {
72 DEBUG(3,("%s : trust_pw_change_and_store_it: Changed password.\n",
73 current_timestring(talloc_tos(), False)));
75 * Return the result of trying to write the new password
76 * back into the trust account file.
79 switch (sec_channel_type) {
82 if (!secrets_store_machine_password(new_trust_passwd, domain, sec_channel_type)) {
83 nt_status = NT_STATUS_UNSUCCESSFUL;
87 case SEC_CHAN_DOMAIN: {
90 time_t pass_last_set_time;
92 /* we need to get the sid first for the
93 * pdb_set_trusteddom_pw call */
95 if (!pdb_get_trusteddom_pw(domain, &pwd, &sid, &pass_last_set_time)) {
96 nt_status = NT_STATUS_TRUSTED_RELATIONSHIP_FAILURE;
98 if (!pdb_set_trusteddom_pw(domain, new_trust_passwd, &sid)) {
99 nt_status = NT_STATUS_INTERNAL_DB_CORRUPTION;
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 enum netr_SchannelType sec_channel_type = SEC_CHAN_NULL;
123 const char *account_name;
125 if (!get_trust_pw_hash(domain, old_trust_passwd_hash, &account_name,
126 &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,
133 old_trust_passwd_hash,
137 NTSTATUS change_trust_account_password( const char *domain, const char *remote_machine)
139 NTSTATUS nt_status = NT_STATUS_UNSUCCESSFUL;
140 struct sockaddr_storage pdc_ss;
142 struct cli_state *cli = NULL;
143 struct rpc_pipe_client *netlogon_pipe = NULL;
145 DEBUG(5,("change_trust_account_password: Attempting to change trust account password in domain %s....\n",
148 if (remote_machine == NULL || !strcmp(remote_machine, "*")) {
149 /* Use the PDC *only* for this */
151 if ( !get_pdc_ip(domain, &pdc_ss) ) {
152 DEBUG(0,("Can't get IP for PDC for domain %s\n", domain));
156 if ( !name_status_find( domain, 0x1b, 0x20, &pdc_ss, dc_name) )
159 /* supoport old deprecated "smbpasswd -j DOMAIN -r MACHINE" behavior */
160 fstrcpy( dc_name, remote_machine );
163 /* if this next call fails, then give up. We can't do
164 password changes on BDC's --jerry */
166 if (!NT_STATUS_IS_OK(cli_full_connection(&cli, lp_netbios_name(), dc_name,
170 "", 0, SMB_SIGNING_DEFAULT))) {
171 DEBUG(0,("modify_trust_password: Connection to %s failed!\n", dc_name));
172 nt_status = NT_STATUS_UNSUCCESSFUL;
177 * Ok - we have an anonymous connection to the IPC$ share.
178 * Now start the NT Domain stuff :-).
181 /* Shouldn't we open this with schannel ? JRA. */
183 nt_status = cli_rpc_pipe_open_noauth(
184 cli, &ndr_table_netlogon.syntax_id, &netlogon_pipe);
185 if (!NT_STATUS_IS_OK(nt_status)) {
186 DEBUG(0,("modify_trust_password: unable to open the domain client session to machine %s. Error was : %s.\n",
187 dc_name, nt_errstr(nt_status)));
193 nt_status = trust_pw_find_change_and_store_it(
194 netlogon_pipe, netlogon_pipe, domain);
200 if (!NT_STATUS_IS_OK(nt_status)) {
201 DEBUG(0,("%s : change_trust_account_password: Failed to change password for domain %s.\n",
202 current_timestring(talloc_tos(), False), domain));
205 DEBUG(5,("change_trust_account_password: sucess!\n"));