--- /dev/null
+/*
+ * Unix SMB/CIFS implementation.
+ * Routines to operate on various trust relationships
+ * Copyright (C) Andrew Bartlett 2001
+ * Copyright (C) Rafal Szczesniak 2003
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include "includes.h"
+
+/*********************************************************
+ Change the domain password on the PDC.
+
+ Just changes the password betwen the two values specified.
+
+ Caller must have the cli connected to the netlogon pipe
+ already.
+**********************************************************/
+
+static NTSTATUS just_change_the_password(struct rpc_pipe_client *cli, TALLOC_CTX *mem_ctx,
+ const unsigned char orig_trust_passwd_hash[16],
+ const unsigned char new_trust_passwd_hash[16],
+ uint32 sec_channel_type)
+{
+ NTSTATUS result;
+
+ /* Check if the netlogon pipe is open using schannel. If so we
+ already have valid creds. If not we must set them up. */
+
+ if (cli->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL) {
+ uint32 neg_flags = NETLOGON_NEG_AUTH2_FLAGS;
+
+ result = rpccli_netlogon_setup_creds(cli,
+ cli->cli->desthost, /* server name */
+ lp_workgroup(), /* domain */
+ global_myname(), /* client name */
+ global_myname(), /* machine account name */
+ orig_trust_passwd_hash,
+ sec_channel_type,
+ &neg_flags);
+
+ if (!NT_STATUS_IS_OK(result)) {
+ DEBUG(3,("just_change_the_password: unable to setup creds (%s)!\n",
+ nt_errstr(result)));
+ return result;
+ }
+ }
+
+ result = rpccli_net_srv_pwset(cli, mem_ctx, global_myname(), new_trust_passwd_hash);
+
+ if (!NT_STATUS_IS_OK(result)) {
+ DEBUG(0,("just_change_the_password: unable to change password (%s)!\n",
+ nt_errstr(result)));
+ }
+ return result;
+}
+
+/*********************************************************
+ Change the domain password on the PDC.
+ Store the password ourselves, but use the supplied password
+ Caller must have already setup the connection to the NETLOGON pipe
+**********************************************************/
+
+NTSTATUS trust_pw_change_and_store_it(struct rpc_pipe_client *cli, TALLOC_CTX *mem_ctx,
+ const char *domain,
+ unsigned char orig_trust_passwd_hash[16],
+ uint32 sec_channel_type)
+{
+ unsigned char new_trust_passwd_hash[16];
+ char *new_trust_passwd;
+ char *str;
+ NTSTATUS nt_status;
+
+ /* Create a random machine account password */
+ str = generate_random_str(DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH);
+ new_trust_passwd = talloc_strdup(mem_ctx, str);
+
+ E_md4hash(new_trust_passwd, new_trust_passwd_hash);
+
+ nt_status = just_change_the_password(cli, mem_ctx, orig_trust_passwd_hash,
+ new_trust_passwd_hash, sec_channel_type);
+
+ if (NT_STATUS_IS_OK(nt_status)) {
+ DEBUG(3,("%s : trust_pw_change_and_store_it: Changed password.\n",
+ timestring(False)));
+ /*
+ * Return the result of trying to write the new password
+ * back into the trust account file.
+ */
+ if (!secrets_store_machine_password(new_trust_passwd, domain, sec_channel_type)) {
+ nt_status = NT_STATUS_UNSUCCESSFUL;
+ }
+ }
+
+ return nt_status;
+}
+
+/*********************************************************
+ Change the domain password on the PDC.
+ Do most of the legwork ourselfs. Caller must have
+ already setup the connection to the NETLOGON pipe
+**********************************************************/
+
+NTSTATUS trust_pw_find_change_and_store_it(struct rpc_pipe_client *cli,
+ TALLOC_CTX *mem_ctx,
+ const char *domain)
+{
+ unsigned char old_trust_passwd_hash[16];
+ uint32 sec_channel_type = 0;
+
+ if (!secrets_fetch_trust_account_password(domain,
+ old_trust_passwd_hash,
+ NULL, &sec_channel_type)) {
+ DEBUG(0, ("could not fetch domain secrets for domain %s!\n", domain));
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+ return trust_pw_change_and_store_it(cli, mem_ctx, domain,
+ old_trust_passwd_hash,
+ sec_channel_type);
+}
+
+/*********************************************************************
+ Enumerate the list of trusted domains from a DC
+*********************************************************************/
+
+BOOL enumerate_domain_trusts( TALLOC_CTX *mem_ctx, const char *domain,
+ char ***domain_names, uint32 *num_domains,
+ DOM_SID **sids )
+{
+ POLICY_HND pol;
+ NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
+ fstring dc_name;
+ struct in_addr dc_ip;
+ uint32 enum_ctx = 0;
+ struct cli_state *cli = NULL;
+ struct rpc_pipe_client *lsa_pipe;
+ BOOL retry;
+
+ *domain_names = NULL;
+ *num_domains = 0;
+ *sids = NULL;
+
+ /* lookup a DC first */
+
+ if ( !get_dc_name(domain, NULL, dc_name, &dc_ip) ) {
+ DEBUG(3,("enumerate_domain_trusts: can't locate a DC for domain %s\n",
+ domain));
+ return False;
+ }
+
+ /* setup the anonymous connection */
+
+ result = cli_full_connection( &cli, global_myname(), dc_name, &dc_ip, 0, "IPC$", "IPC",
+ "", "", "", 0, Undefined, &retry);
+ if ( !NT_STATUS_IS_OK(result) )
+ goto done;
+
+ /* open the LSARPC_PIPE */
+
+ lsa_pipe = cli_rpc_pipe_open_noauth( cli, PI_LSARPC, &result );
+ if ( !lsa_pipe) {
+ goto done;
+ }
+
+ /* get a handle */
+
+ result = rpccli_lsa_open_policy(lsa_pipe, mem_ctx, True,
+ POLICY_VIEW_LOCAL_INFORMATION, &pol);
+ if ( !NT_STATUS_IS_OK(result) )
+ goto done;
+
+ /* Lookup list of trusted domains */
+
+ result = rpccli_lsa_enum_trust_dom(lsa_pipe, mem_ctx, &pol, &enum_ctx,
+ num_domains, domain_names, sids);
+ if ( !NT_STATUS_IS_OK(result) )
+ goto done;
+
+done:
+ /* cleanup */
+ if (cli) {
+ DEBUG(10,("enumerate_domain_trusts: shutting down connection...\n"));
+ cli_shutdown( cli );
+ }
+
+ return NT_STATUS_IS_OK(result);
+}