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-rw-r--r--source3/smbd/change_trust_pw.c152
1 files changed, 152 insertions, 0 deletions
diff --git a/source3/smbd/change_trust_pw.c b/source3/smbd/change_trust_pw.c
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+++ b/source3/smbd/change_trust_pw.c
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+/*
+ * Unix SMB/Netbios implementation.
+ * Version 3.0
+ * Periodic Trust account password changing.
+ * Copyright (C) Andrew Tridgell 1992-1997,
+ * Copyright (C) Luke Kenneth Casson Leighton 1996-1997,
+ * Copyright (C) Paul Ashton 1997.
+ * Copyright (C) Jeremy Allison 1998.
+ * Copyright (C) Andrew Bartlett 2001.
+ *
+ * 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"
+
+extern pstring global_myname;
+
+/*********************************************************
+ Change the domain password on the PDC.
+**********************************************************/
+
+static NTSTATUS modify_trust_password( char *domain, char *remote_machine,
+ unsigned char orig_trust_passwd_hash[16])
+{
+ struct cli_state *cli;
+ DOM_SID domain_sid;
+ struct in_addr dest_ip;
+ NTSTATUS nt_status;
+
+ /*
+ * Ensure we have the domain SID for this domain.
+ */
+
+ if (!secrets_fetch_domain_sid(domain, &domain_sid)) {
+ DEBUG(0, ("domain_client_validate: unable to fetch domain sid.\n"));
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+ if(!resolve_name( remote_machine, &dest_ip, 0x20)) {
+ DEBUG(0,("modify_trust_password: Can't resolve address for %s\n", remote_machine));
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+ if (!NT_STATUS_IS_OK(cli_full_connection(&cli, global_myname, remote_machine,
+ &dest_ip, 0,
+ "IPC$", "IPC",
+ "", "",
+ "", 0))) {
+ DEBUG(0,("modify_trust_password: Connection to %s failed!\n", remote_machine));
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+ /*
+ * Ok - we have an anonymous connection to the IPC$ share.
+ * Now start the NT Domain stuff :-).
+ */
+
+ if(cli_nt_session_open(cli, PIPE_NETLOGON) == False) {
+ DEBUG(0,("modify_trust_password: unable to open the domain client session to \
+machine %s. Error was : %s.\n", remote_machine, cli_errstr(cli)));
+ cli_nt_session_close(cli);
+ cli_ulogoff(cli);
+ cli_shutdown(cli);
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+ nt_status = trust_pw_change_and_store_it(cli, cli->mem_ctx,
+ orig_trust_passwd_hash);
+
+ cli_nt_session_close(cli);
+ cli_ulogoff(cli);
+ cli_shutdown(cli);
+ return nt_status;
+}
+
+/************************************************************************
+ Change the trust account password for a domain.
+************************************************************************/
+
+NTSTATUS change_trust_account_password( char *domain, char *remote_machine_list)
+{
+ fstring remote_machine;
+ unsigned char old_trust_passwd_hash[16];
+ time_t lct;
+ NTSTATUS res = NT_STATUS_UNSUCCESSFUL;
+
+ if(!secrets_fetch_trust_account_password(domain, old_trust_passwd_hash, &lct)) {
+ DEBUG(0,("change_trust_account_password: unable to read the machine \
+account password for domain %s.\n", domain));
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+ while(remote_machine_list &&
+ next_token(&remote_machine_list, remote_machine,
+ LIST_SEP, sizeof(remote_machine))) {
+ strupper(remote_machine);
+ if(strequal(remote_machine, "*")) {
+
+ /*
+ * We have been asked to dynamcially determine the IP addresses of the PDC.
+ */
+
+ struct in_addr *ip_list = NULL;
+ int count = 0;
+ int i;
+
+ /* Use the PDC *only* for this. */
+ if(!get_dc_list(True, domain, &ip_list, &count))
+ continue;
+
+ /*
+ * Try and connect to the PDC/BDC list in turn as an IP
+ * address used as a string.
+ */
+
+ for(i = 0; i < count; i++) {
+ fstring dc_name;
+ if(!lookup_dc_name(global_myname, domain, &ip_list[i], dc_name))
+ continue;
+ if(NT_STATUS_IS_OK(res = modify_trust_password( domain, dc_name,
+ old_trust_passwd_hash)))
+ break;
+ }
+
+ SAFE_FREE(ip_list);
+
+ } else {
+ res = modify_trust_password( domain, remote_machine,
+ old_trust_passwd_hash);
+ }
+
+ }
+
+ if (!NT_STATUS_IS_OK(res)) {
+ DEBUG(0,("%s : change_trust_account_password: Failed to change password for \
+domain %s.\n", timestring(False), domain));
+ }
+
+ return res;
+}