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/*
Unix SMB/CIFS implementation.
krb5 set password implementation
Copyright (C) Remus Koos 2001 (remuskoos@yahoo.com)
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"
#ifdef HAVE_KRB5
ADS_STATUS ads_change_trust_account_password(ADS_STRUCT *ads, char *host_principal)
{
char *tmp_password;
char *password;
char *new_password;
char *service_principal = NULL;
ADS_STATUS ret;
uint32 sec_channel_type;
if ((password = secrets_fetch_machine_password(lp_workgroup(), NULL, &sec_channel_type)) == NULL) {
DEBUG(1,("Failed to retrieve password for principal %s\n", host_principal));
return ADS_ERROR_SYSTEM(ENOENT);
}
tmp_password = generate_random_str(DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH);
new_password = strdup(tmp_password);
asprintf(&service_principal, "HOST/%s", host_principal);
if (!service_principal) {
DEBUG(1,("asprintf() failed principal %s\n", host_principal));
return ADS_ERROR_SYSTEM(ENOMEM);
}
ret = kerberos_set_password(ads->auth.kdc_server, service_principal, password, service_principal, new_password, ads->auth.time_offset);
if (!ADS_ERR_OK(ret)) goto failed;
if (!secrets_store_machine_password(new_password, lp_workgroup(), sec_channel_type)) {
DEBUG(1,("Failed to save machine password\n"));
return ADS_ERROR_SYSTEM(EACCES);
}
failed:
SAFE_FREE(service_principal);
SAFE_FREE(new_password);
return ret;
}
#endif
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