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/*
* Unix SMB/CIFS implementation.
* Routines to operate on various trust relationships
* Copyright (C) Andrew Bartlett 2001
* Copyright (C) Rafal Szczesniak 2003
*
* 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],
uint32 sec_channel_type)
{
NTSTATUS result;
uint32 neg_flags = 0x000001ff;
result = cli_nt_setup_creds(cli, sec_channel_type, orig_trust_passwd_hash, &neg_flags, 2);
if (!NT_STATUS_IS_OK(result)) {
DEBUG(3,("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,
const char *domain,
unsigned char orig_trust_passwd_hash[16],
uint32 sec_channel_type)
{
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, sec_channel_type);
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, domain, sec_channel_type)) {
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;
uint32 sec_channel_type = 0;
up_domain = talloc_strdup(mem_ctx, domain);
if (!secrets_fetch_trust_account_password(domain,
old_trust_passwd_hash,
NULL, &sec_channel_type)) {
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, domain,
old_trust_passwd_hash,
sec_channel_type);
}
/*********************************************************************
Enumerate the list of trusted domains from a DC
*********************************************************************/
BOOL enumerate_domain_trusts( TALLOC_CTX *mem_ctx, const char *domain,
char ***domain_names, uint32 *num_domains,
DOM_SID **sids )
{
POLICY_HND pol;
NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
fstring dc_name;
struct in_addr dc_ip;
uint32 enum_ctx = 0;
struct cli_state *cli = NULL;
BOOL retry;
*domain_names = NULL;
*num_domains = 0;
*sids = NULL;
/* lookup a DC first */
if ( !get_dc_name(domain, dc_name, &dc_ip) ) {
DEBUG(3,("enumerate_domain_trusts: can't locate a DC for domain %s\n",
domain));
return False;
}
/* setup the anonymous connection */
result = cli_full_connection( &cli, global_myname(), dc_name, &dc_ip, 0, "IPC$", "IPC",
"", "", "", 0, Undefined, &retry);
if ( !NT_STATUS_IS_OK(result) )
goto done;
/* open the LSARPC_PIPE */
if ( !cli_nt_session_open( cli, PI_LSARPC ) ) {
result = NT_STATUS_UNSUCCESSFUL;
goto done;
}
/* get a handle */
result = cli_lsa_open_policy(cli, mem_ctx, True,
POLICY_VIEW_LOCAL_INFORMATION, &pol);
if ( !NT_STATUS_IS_OK(result) )
goto done;
/* Lookup list of trusted domains */
result = cli_lsa_enum_trust_dom(cli, mem_ctx, &pol, &enum_ctx,
num_domains, domain_names, sids);
if ( !NT_STATUS_IS_OK(result) )
goto done;
done:
/* cleanup */
cli_nt_session_close( cli );
cli_shutdown( cli );
return NT_STATUS_IS_OK(result);
}
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