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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.
*/
#ifdef SYSLOG
#undef SYSLOG
#endif
#include "includes.h"
extern int DEBUGLEVEL;
extern pstring scope;
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],
uint16 sec_chan)
{
struct nmb_name calling, called;
fstring trust_acct;
fstring srv_name;
fstrcpy(srv_name, "\\\\");
fstrcat(srv_name, remote_machine);
strupper(srv_name);
fstrcpy(trust_acct, global_myname);
fstrcat(trust_acct, "$");
make_nmb_name(&calling, global_myname , 0x0 , scope);
make_nmb_name(&called , remote_machine, 0x20, scope);
if (cli_nt_setup_creds(srv_name, global_myname, trust_acct,
orig_trust_passwd_hash, sec_chan) != 0x0)
{
return False;
}
if (!cli_nt_srv_pwset( srv_name, global_myname, trust_acct,
new_trust_passwd_hash,
sec_chan ) )
{
return False;
}
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,
uint16 sec_chan)
{
fstring remote_machine;
unsigned char old_trust_passwd_hash[16];
unsigned char new_trust_passwd_hash[16];
time_t lct;
BOOL res;
if(!get_trust_account_password( 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(modify_trust_password( domain, remote_machine,
old_trust_passwd_hash, new_trust_passwd_hash, sec_chan)) {
DEBUG(0,("%s : change_trust_account_password: Changed password for \
domain %s.\n", timestring(), domain));
/*
* Return the result of trying to write the new password
* back into the trust account file.
*/
res = set_trust_account_password(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(), domain));
return False;
}
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