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-rw-r--r--source3/libsmb/trust_passwd.c116
1 files changed, 116 insertions, 0 deletions
diff --git a/source3/libsmb/trust_passwd.c b/source3/libsmb/trust_passwd.c
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+++ b/source3/libsmb/trust_passwd.c
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+/*
+ * Unix SMB/CIFS implementation.
+ * Routines to change trust account passwords.
+ * 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"
+
+/*********************************************************
+ 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 cli_state *cli, TALLOC_CTX *mem_ctx,
+ unsigned char orig_trust_passwd_hash[16],
+ unsigned char new_trust_passwd_hash[16])
+{
+ NTSTATUS result;
+ uint32 neg_flags = 0x000001ff;
+
+ result = cli_nt_setup_creds(cli, get_sec_chan(), orig_trust_passwd_hash, &neg_flags, 2);
+
+ if (!NT_STATUS_IS_OK(result)) {
+ DEBUG(1,("just_change_the_password: unable to setup creds (%s)!\n",
+ nt_errstr(result)));
+ return result;
+ }
+
+ result = cli_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 cli_state *cli, TALLOC_CTX *mem_ctx,
+ unsigned char orig_trust_passwd_hash[16])
+{
+ 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);
+
+ 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)) {
+ 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 cli_state *cli, TALLOC_CTX *mem_ctx,
+ const char *domain)
+{
+ unsigned char old_trust_passwd_hash[16];
+ char *up_domain;
+
+ up_domain = talloc_strdup(mem_ctx, domain);
+
+ if (!secrets_fetch_trust_account_password(domain,
+ old_trust_passwd_hash,
+ NULL)) {
+ 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, old_trust_passwd_hash);
+
+}