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/*
* Unix SMB/Netbios implementation.
* Version 1.9.
* RPC Pipe client / server routines
* Copyright (C) Andrew Tridgell 1992-1997,
* Copyright (C) Luke Kenneth Casson Leighton 1996-1997,
* Copyright (C) Paul Ashton 1997.
* Copyright (C) Jeremy Allison 1998.
*
* 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"
extern pstring global_myname;
/*********************************************************
Change the domain password on the PDC.
**********************************************************/
static BOOL modify_trust_password( char *domain, char *remote_machine,
unsigned char orig_trust_passwd_hash[16],
unsigned char new_trust_passwd_hash[16])
{
struct cli_state cli;
NTSTATUS result;
DOM_SID domain_sid;
/*
* Ensure we have the domain SID for this domain.
*/
if (!secrets_fetch_domain_sid(domain, &domain_sid)) {
DEBUG(0, ("domain_client_validate: unable to fetch domain sid.\n"));
return False;
}
ZERO_STRUCT(cli);
if(cli_initialise(&cli) == NULL) {
DEBUG(0,("modify_trust_password: unable to initialize client connection.\n"));
return False;
}
if(!resolve_name( remote_machine, &cli.dest_ip, 0x20)) {
DEBUG(0,("modify_trust_password: Can't resolve address for %s\n", remote_machine));
cli_shutdown(&cli);
return False;
}
if (ismyip(cli.dest_ip)) {
DEBUG(0,("modify_trust_password: Machine %s is one of our addresses. Cannot add \
to ourselves.\n", remote_machine));
cli_shutdown(&cli);
return False;
}
if (!cli_connect(&cli, remote_machine, &cli.dest_ip)) {
DEBUG(0,("modify_trust_password: unable to connect to SMB server on \
machine %s. Error was : %s.\n", remote_machine, cli_errstr(&cli) ));
cli_shutdown(&cli);
return False;
}
if (!attempt_netbios_session_request(&cli, global_myname, remote_machine, &cli.dest_ip)) {
DEBUG(0,("modify_trust_password: machine %s rejected the NetBIOS \
session request. Error was %s\n", remote_machine, cli_errstr(&cli) ));
cli_shutdown(&cli);
return False;
}
cli.protocol = PROTOCOL_NT1;
if (!cli_negprot(&cli)) {
DEBUG(0,("modify_trust_password: machine %s rejected the negotiate protocol. \
Error was : %s.\n", remote_machine, cli_errstr(&cli) ));
cli_shutdown(&cli);
return False;
}
if (cli.protocol != PROTOCOL_NT1) {
DEBUG(0,("modify_trust_password: machine %s didn't negotiate NT protocol.\n",
remote_machine));
cli_shutdown(&cli);
return False;
}
/*
* Do an anonymous session setup.
*/
if (!cli_session_setup(&cli, "", "", 0, "", 0, "")) {
DEBUG(0,("modify_trust_password: machine %s rejected the session setup. \
Error was : %s.\n", remote_machine, cli_errstr(&cli) ));
cli_shutdown(&cli);
return False;
}
if (!(cli.sec_mode & 1)) {
DEBUG(0,("modify_trust_password: machine %s isn't in user level security mode\n",
remote_machine));
cli_shutdown(&cli);
return False;
}
if (!cli_send_tconX(&cli, "IPC$", "IPC", "", 1)) {
DEBUG(0,("modify_trust_password: machine %s rejected the tconX on the IPC$ share. \
Error was : %s.\n", remote_machine, cli_errstr(&cli) ));
cli_shutdown(&cli);
return False;
}
/*
* Ok - we have an anonymous connection to the IPC$ share.
* Now start the NT Domain stuff :-).
*/
if(cli_nt_session_open(&cli, PIPE_NETLOGON) == False) {
DEBUG(0,("modify_trust_password: unable to open the domain client session to \
machine %s. Error was : %s.\n", remote_machine, cli_errstr(&cli)));
cli_nt_session_close(&cli);
cli_ulogoff(&cli);
cli_shutdown(&cli);
return False;
}
result = cli_nt_setup_creds(&cli, orig_trust_passwd_hash);
if (!NT_STATUS_IS_OK(result)) {
DEBUG(0,("modify_trust_password: unable to setup the PDC credentials to machine \
%s. Error was : %s.\n", remote_machine, get_nt_error_msg(result)));
cli_nt_session_close(&cli);
cli_ulogoff(&cli);
cli_shutdown(&cli);
return False;
}
if( cli_nt_srv_pwset( &cli,new_trust_passwd_hash ) == False) {
DEBUG(0,("modify_trust_password: unable to change password for machine %s in domain \
%s to Domain controller %s. Error was %s.\n", global_myname, domain, remote_machine,
cli_errstr(&cli)));
cli_close(&cli, cli.nt_pipe_fnum);
cli_ulogoff(&cli);
cli_shutdown(&cli);
return False;
}
cli_nt_session_close(&cli);
cli_ulogoff(&cli);
cli_shutdown(&cli);
return True;
}
/************************************************************************
Change the trust account password for a domain.
The user of this function must have locked the trust password file for
update.
************************************************************************/
BOOL change_trust_account_password( char *domain, char *remote_machine_list)
{
fstring remote_machine;
unsigned char old_trust_passwd_hash[16];
unsigned char new_trust_passwd_hash[16];
time_t lct;
BOOL res = False;
if(!secrets_fetch_trust_account_password(domain, old_trust_passwd_hash, &lct)) {
DEBUG(0,("change_trust_account_password: unable to read the machine \
account password for domain %s.\n", domain));
return False;
}
/*
* Create the new (random) password.
*/
generate_random_buffer( new_trust_passwd_hash, 16, True);
while(remote_machine_list &&
next_token(&remote_machine_list, remote_machine,
LIST_SEP, sizeof(remote_machine))) {
strupper(remote_machine);
if(strequal(remote_machine, "*")) {
/*
* We have been asked to dynamcially determine the IP addresses of the PDC.
*/
struct in_addr *ip_list = NULL;
int count = 0;
int i;
/* Use the PDC *only* for this. */
if(!get_dc_list(True, domain, &ip_list, &count))
continue;
/*
* Try and connect to the PDC/BDC list in turn as an IP
* address used as a string.
*/
for(i = 0; i < count; i++) {
fstring dc_name;
if(!lookup_pdc_name(global_myname, domain, &ip_list[i], dc_name))
continue;
if((res = modify_trust_password( domain, dc_name,
old_trust_passwd_hash, new_trust_passwd_hash)))
break;
}
SAFE_FREE(ip_list);
} else {
res = modify_trust_password( domain, remote_machine,
old_trust_passwd_hash, new_trust_passwd_hash);
}
if(res) {
DEBUG(0,("%s : change_trust_account_password: Changed password for \
domain %s.\n", timestring(False), domain));
/*
* Return the result of trying to write the new password
* back into the trust account file.
*/
res = secrets_store_trust_account_password(domain, new_trust_passwd_hash);
memset(new_trust_passwd_hash, 0, 16);
memset(old_trust_passwd_hash, 0, 16);
return res;
}
}
memset(new_trust_passwd_hash, 0, 16);
memset(old_trust_passwd_hash, 0, 16);
DEBUG(0,("%s : change_trust_account_password: Failed to change password for \
domain %s.\n", timestring(False), domain));
return False;
}
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