s3/lanman: Workaround for KB932762.
[Samba.git] / source / libads / util.c
blobd23c36f3269fc2bb4e0b72c362bedd0a10df5adb
1 /*
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 3 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, see <http://www.gnu.org/licenses/>.
20 #include "includes.h"
22 #ifdef HAVE_KRB5
24 ADS_STATUS ads_change_trust_account_password(ADS_STRUCT *ads, char *host_principal)
26 char *password;
27 char *new_password;
28 ADS_STATUS ret;
29 uint32 sec_channel_type;
31 if ((password = secrets_fetch_machine_password(lp_workgroup(), NULL, &sec_channel_type)) == NULL) {
32 DEBUG(1,("Failed to retrieve password for principal %s\n", host_principal));
33 return ADS_ERROR_SYSTEM(ENOENT);
36 new_password = generate_random_str(DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH);
38 ret = kerberos_set_password(ads->auth.kdc_server, host_principal, password, host_principal, new_password, ads->auth.time_offset);
40 if (!ADS_ERR_OK(ret)) {
41 goto failed;
44 if (!secrets_store_machine_password(new_password, lp_workgroup(), sec_channel_type)) {
45 DEBUG(1,("Failed to save machine password\n"));
46 ret = ADS_ERROR_SYSTEM(EACCES);
47 goto failed;
50 failed:
51 SAFE_FREE(password);
52 return ret;
55 ADS_STATUS ads_guess_service_principal(ADS_STRUCT *ads,
56 char **returned_principal)
58 char *princ = NULL;
60 if (ads->server.realm && ads->server.ldap_server) {
61 char *server, *server_realm;
63 server = SMB_STRDUP(ads->server.ldap_server);
64 server_realm = SMB_STRDUP(ads->server.realm);
66 if (!server || !server_realm) {
67 SAFE_FREE(server);
68 SAFE_FREE(server_realm);
69 return ADS_ERROR(LDAP_NO_MEMORY);
72 strlower_m(server);
73 strupper_m(server_realm);
74 asprintf(&princ, "ldap/%s@%s", server, server_realm);
76 SAFE_FREE(server);
77 SAFE_FREE(server_realm);
79 if (!princ) {
80 return ADS_ERROR(LDAP_NO_MEMORY);
82 } else if (ads->config.realm && ads->config.ldap_server_name) {
83 char *server, *server_realm;
85 server = SMB_STRDUP(ads->config.ldap_server_name);
86 server_realm = SMB_STRDUP(ads->config.realm);
88 if (!server || !server_realm) {
89 SAFE_FREE(server);
90 SAFE_FREE(server_realm);
91 return ADS_ERROR(LDAP_NO_MEMORY);
94 strlower_m(server);
95 strupper_m(server_realm);
96 asprintf(&princ, "ldap/%s@%s", server, server_realm);
98 SAFE_FREE(server);
99 SAFE_FREE(server_realm);
101 if (!princ) {
102 return ADS_ERROR(LDAP_NO_MEMORY);
106 if (!princ) {
107 return ADS_ERROR(LDAP_PARAM_ERROR);
110 *returned_principal = princ;
112 return ADS_SUCCESS;
115 #endif