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125 lines
3.2 KiB
C
125 lines
3.2 KiB
C
/*
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Unix SMB/CIFS implementation.
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krb5 set password implementation
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Copyright (C) Remus Koos 2001 (remuskoos@yahoo.com)
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "includes.h"
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#include "ads.h"
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#ifdef HAVE_KRB5
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ADS_STATUS ads_change_trust_account_password(ADS_STRUCT *ads, char *host_principal)
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{
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char *password;
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char *new_password;
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ADS_STATUS ret;
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enum netr_SchannelType sec_channel_type;
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if ((password = secrets_fetch_machine_password(lp_workgroup(), NULL, &sec_channel_type)) == NULL) {
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DEBUG(1,("Failed to retrieve password for principal %s\n", host_principal));
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return ADS_ERROR_SYSTEM(ENOENT);
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}
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new_password = generate_random_str(talloc_tos(), DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH);
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ret = kerberos_set_password(ads->auth.kdc_server, host_principal, password, host_principal, new_password, ads->auth.time_offset);
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if (!ADS_ERR_OK(ret)) {
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goto failed;
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}
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if (!secrets_store_machine_password(new_password, lp_workgroup(), sec_channel_type)) {
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DEBUG(1,("Failed to save machine password\n"));
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ret = ADS_ERROR_SYSTEM(EACCES);
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goto failed;
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}
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failed:
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SAFE_FREE(password);
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return ret;
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}
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ADS_STATUS ads_guess_service_principal(ADS_STRUCT *ads,
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char **returned_principal)
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{
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char *princ = NULL;
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if (ads->server.realm && ads->server.ldap_server) {
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char *server, *server_realm;
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server = SMB_STRDUP(ads->server.ldap_server);
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server_realm = SMB_STRDUP(ads->server.realm);
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if (!server || !server_realm) {
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SAFE_FREE(server);
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SAFE_FREE(server_realm);
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return ADS_ERROR(LDAP_NO_MEMORY);
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}
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strlower_m(server);
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strupper_m(server_realm);
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if (asprintf(&princ, "ldap/%s@%s", server, server_realm) == -1) {
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SAFE_FREE(server);
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SAFE_FREE(server_realm);
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return ADS_ERROR(LDAP_NO_MEMORY);
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}
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SAFE_FREE(server);
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SAFE_FREE(server_realm);
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if (!princ) {
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return ADS_ERROR(LDAP_NO_MEMORY);
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}
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} else if (ads->config.realm && ads->config.ldap_server_name) {
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char *server, *server_realm;
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server = SMB_STRDUP(ads->config.ldap_server_name);
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server_realm = SMB_STRDUP(ads->config.realm);
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if (!server || !server_realm) {
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SAFE_FREE(server);
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SAFE_FREE(server_realm);
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return ADS_ERROR(LDAP_NO_MEMORY);
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}
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strlower_m(server);
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strupper_m(server_realm);
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if (asprintf(&princ, "ldap/%s@%s", server, server_realm) == -1) {
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SAFE_FREE(server);
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SAFE_FREE(server_realm);
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return ADS_ERROR(LDAP_NO_MEMORY);
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}
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SAFE_FREE(server);
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SAFE_FREE(server_realm);
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if (!princ) {
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return ADS_ERROR(LDAP_NO_MEMORY);
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}
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}
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if (!princ) {
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return ADS_ERROR(LDAP_PARAM_ERROR);
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}
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*returned_principal = princ;
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return ADS_SUCCESS;
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}
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#endif
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