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/*
Unix SMB/Netbios implementation.
Version 1.9.
NT Domain Authentication SMB / MSRPC client
Copyright (C) Andrew Tridgell 1994-1997
Copyright (C) Luke Kenneth Casson Leighton 1996-1997
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"
#include "nterr.h"
extern int DEBUGLEVEL;
/****************************************************************************
Initialize domain session credentials.
****************************************************************************/
BOOL cli_nt_setup_creds(struct cli_state *cli, unsigned char mach_pwd[16])
{
DOM_CHAL clnt_chal;
DOM_CHAL srv_chal;
DOM_CHAL auth2_srv_chal;
UTIME zerotime;
RPC_IFACE abstract;
RPC_IFACE transfer;
/******************** initialise ********************************/
zerotime.time = 0;
/******************* Request Challenge ********************/
generate_random_buffer( clnt_chal.data, 8, False);
/* send a client challenge; receive a server challenge */
if (!cli_net_req_chal(cli, &clnt_chal, &srv_chal))
{
DEBUG(0,("do_nt_session_open: request challenge failed\n"));
return False;
}
/**************** Long-term Session key **************/
/* calculate the session key */
cred_session_key(&clnt_chal, &srv_chal, mach_pwd, sess_key);
bzero(sess_key+8, 8);
/******************* Authenticate 2 ********************/
/* calculate auth-2 credentials */
cred_create(sess_key, &clnt_chal, zerotime, &(clnt_cred->challenge));
/* send client auth-2 challenge; receive an auth-2 challenge */
if (!cli_net_auth2(cli, SEC_CHAN_WKSTA, 0x000001ff,
&(cli->clnt_cred->challenge), &auth2_srv_chal))
{
DEBUG(0,("do_nt_session_open: auth2 challenge failed\n"));
return False;
}
return True;
}
#if 0
/****************************************************************************
server password set
****************************************************************************/
BOOL do_nt_srv_pwset(struct cli_state *cli,
uint8 sess_key[16], DOM_CRED *clnt_cred, DOM_CRED *rtn_cred,
char *new_mach_pwd,
char *dest_host, char *mach_acct, char *myhostname)
{
DOM_CRED cred;
char nt_cypher[16];
uint8 mode = 1;
char nt_owf_new_mach_pwd[16];
#ifdef DEBUG_PASSWORD
DEBUG(100,("generating nt owf from new machine pwd: %s\n", new_mach_pwd));
#endif
nt_owf_gen(new_mach_pwd, nt_owf_new_mach_pwd);
#ifdef DEBUG_PASSWORD
dump_data(6, nt_owf_new_mach_pwd, 16);
#endif
if (!obfuscate_pwd(nt_cypher, nt_owf_new_mach_pwd, mode))
{
DEBUG(5,("do_nt_srv_pwset: encrypt mach pwd failed\n"));
return False;
}
clnt_cred->timestamp.time = time(NULL);
memcpy(&cred, clnt_cred, sizeof(cred));
/* calculate credentials */
cred_create(sess_key, &(clnt_cred->challenge),
cred.timestamp, &(cred.challenge));
/* send client srv_pwset challenge */
return do_net_srv_pwset(cli, fnum, sess_key, clnt_cred,
dest_host, mach_acct, 2, myhostname,
&cred, rtn_cred, nt_cypher);
}
/****************************************************************************
make interactive sam login info
****************************************************************************/
void make_nt_login_interactive(NET_ID_INFO_CTR *ctr,
uchar sess_key[16],
char *workgroup, char *myhostname,
uint32 smb_userid, char *username)
{
/****************** SAM Info Preparation *******************/
char *smb_user_passwd = getpass("Enter NT Login Password:");
char lm_owf_user_pwd[16];
char nt_owf_user_pwd[16];
nt_lm_owf_gen(smb_user_passwd, nt_owf_user_pwd, lm_owf_user_pwd);
#ifdef DEBUG_PASSWORD
DEBUG(100,("nt owf of user password: "));
dump_data(100, lm_owf_user_pwd, 16);
DEBUG(100,("nt owf of user password: "));
dump_data(100, nt_owf_user_pwd, 16);
#endif
/* indicate an "interactive" login */
ctr->switch_value = 1;
/* this is used in both the SAM Logon and the SAM Logoff */
make_id_info1(&ctr->auth.id1, workgroup, 0,
smb_userid, 0, username, myhostname,
sess_key, lm_owf_user_pwd, nt_owf_user_pwd);
}
#endif
/****************************************************************************
make network sam login info
****************************************************************************/
void make_nt_login_network(NET_ID_INFO_CTR *ctr, uint32 smb_userid, char *username,
char lm_chal[8], char lm_chal_resp[24],
char nt_chal_resp[24])
{
/* indicate a "network" login */
ctr->switch_value = 2;
/* this is used in both the SAM Logon and the SAM Logoff */
make_id_info2(&ctr->auth.id2, myworkgroup, 0, smb_userid, 0,
username, myhostname,
lm_chal, lm_chal_resp, nt_chal_resp);
}
/****************************************************************************
NT login.
****************************************************************************/
BOOL cli_nt_login(struct cli_state *cli,
DOM_CRED *clnt_cred, DOM_CRED *rtn_cred,
NET_ID_INFO_CTR *ctr, NET_USER_INFO_3 *user_info3)
{
DOM_CRED sam_logon_rtn_cred;
DOM_CRED cred;
fstring dest_srv;
fstring my_host_name;
DEBUG(5,("do_nt_login: %d\n", __LINE__));
/*********************** SAM Logon **********************/
cli->clnt_cred->timestamp.time = time(NULL);
memcpy(&cred, cli->clnt_cred, sizeof(cred));
/* calculate sam logon credentials */
cred_create(sess_key, &(cli->clnt_cred->challenge),
cred.timestamp, &(cred.challenge));
strcpy(dest_srv, "\\\\");
strcat(dest_srv, dest_host);
strupper(dest_srv);
fstrcpy(my_host_name, myhostname);
strupper(my_host_name);
/* send client sam-logon challenge */
return cli_net_sam_logon(cli, dest_srv, my_host_name,
&cred, &sam_logon_rtn_cred,
ctr->switch_value, ctr, 3, user_info3,
rtn_cred);
}
/****************************************************************************
nt sam logoff
****************************************************************************/
BOOL cli_nt_logoff(struct cli_state *cli, DOM_CRED *rtn_cred,
NET_ID_INFO_CTR *ctr, char *dest_host, char *myhostname)
{
DOM_CRED sam_logoff_rtn_cred;
DOM_CRED cred;
fstring dest_srv;
fstring my_host_name;
DEBUG(5,("do_nt_logoff: %d\n", __LINE__));
/*********************** SAM Logoff *********************/
clnt_cred->timestamp.time = time(NULL);
memcpy(&cred, cli->clnt_cred, sizeof(cred));
/* calculate sam logoff credentials */
cred_create(sess_key, &(cli->clnt_cred->challenge),
cred.timestamp, &(cred.challenge));
strcpy(dest_srv, "\\\\");
strcat(dest_srv, dest_host);
strupper(dest_srv);
fstrcpy(my_host_name, myhostname);
strupper(my_host_name);
/* send client sam-logoff challenge; receive a sam-logoff challenge */
return cli_net_sam_logoff(cli, fnum, sess_key, clnt_cred,
dest_srv, my_host_name,
&cred, &sam_logoff_rtn_cred,
ctr->switch_value, ctr, 3,
rtn_cred);
}
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