2 Unix SMB/CIFS implementation.
3 krb5 set password implementation
4 Copyright (C) Remus Koos 2001 (remuskoos@yahoo.com)
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
25 ADS_STATUS ads_change_trust_account_password(ADS_STRUCT *ads, char *host_principal)
30 char *service_principal = NULL;
32 uint32_t sec_channel_type;
34 if ((password = secrets_fetch_machine_password(lp_workgroup(), NULL, &sec_channel_type)) == NULL) {
35 DEBUG(1,("Failed to retrieve password for principal %s\n", host_principal));
36 return ADS_ERROR_SYSTEM(ENOENT);
39 tmp_password = generate_random_str(DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH);
40 new_password = strdup(tmp_password);
42 asprintf(&service_principal, "HOST/%s", host_principal);
44 if (!service_principal) {
45 DEBUG(1,("asprintf() failed principal %s\n", host_principal));
46 return ADS_ERROR_SYSTEM(ENOMEM);
49 ret = kerberos_set_password(ads->auth.kdc_server, service_principal, password, service_principal, new_password, ads->auth.time_offset);
51 if (!ADS_ERR_OK(ret)) goto failed;
53 if (!secrets_store_machine_password(new_password, lp_workgroup(), sec_channel_type)) {
54 DEBUG(1,("Failed to save machine password\n"));
55 return ADS_ERROR_SYSTEM(EACCES);
59 SAFE_FREE(service_principal);
60 SAFE_FREE(new_password);