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samba-mirror/source3/rpc_server/srv_netlog_nt.c
Andrew Bartlett dbee612f71 Change the passdb interface to use allocated strings.
These strings are allocated using talloc(), either using its own memory context
stored on the SAM_ACCOUNT or one supplied by the caller.

The pdb_init_sam() and pdb_free_sam() function have been modifed so that a call
to pdb_free_sam() will either clean up (remove hashes from memory) and destroy
the TALLOC_CTX or just clean up depending on who supplied it.

The pdb_init_sam and pdb_free_sam functions now also return an NTSTATUS, and I
have modified the 3 places that actually checked these returns.

The only nasty thing about this patch is the small measure needed to maintin
interface compatability - strings set to NULL are actually set to "".

This is becouse there are too many places in Samba that do strlen() on these
strings without checking if they are NULL pointers.

A supp patch will follow to set all strings to "" in pdb_default_sam().

Andrew Bartlett
(This used to be commit 144345b41d)
2002-01-15 01:02:13 +00:00

691 lines
22 KiB
C

/*
* 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 1998-2001.
* Copyirht (C) Andrew Bartlett 2001.
*
* 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.
*/
/* This is the implementation of the netlogon pipe. */
#include "includes.h"
extern pstring global_myname;
extern DOM_SID global_sam_sid;
/*************************************************************************
init_net_r_req_chal:
*************************************************************************/
static void init_net_r_req_chal(NET_R_REQ_CHAL *r_c,
DOM_CHAL *srv_chal, NTSTATUS status)
{
DEBUG(6,("init_net_r_req_chal: %d\n", __LINE__));
memcpy(r_c->srv_chal.data, srv_chal->data, sizeof(srv_chal->data));
r_c->status = status;
}
/*************************************************************************
error messages cropping up when using nltest.exe...
*************************************************************************/
#define ERROR_NO_SUCH_DOMAIN 0x54b
#define ERROR_NO_LOGON_SERVERS 0x51f
/*************************************************************************
net_reply_logon_ctrl:
*************************************************************************/
/* Some flag values reverse engineered from NLTEST.EXE */
#define LOGON_CTRL_IN_SYNC 0x00
#define LOGON_CTRL_REPL_NEEDED 0x01
#define LOGON_CTRL_REPL_IN_PROGRESS 0x02
NTSTATUS _net_logon_ctrl(pipes_struct *p, NET_Q_LOGON_CTRL *q_u,
NET_R_LOGON_CTRL *r_u)
{
uint32 flags = 0x0;
uint32 pdc_connection_status = 0x00; /* Maybe a win32 error code? */
/* Setup the Logon Control response */
init_net_r_logon_ctrl(r_u, q_u->query_level, flags,
pdc_connection_status);
return r_u->status;
}
/****************************************************************************
Send a message to smbd to do a sam synchronisation
**************************************************************************/
static void send_sync_message(void)
{
TDB_CONTEXT *tdb;
tdb = tdb_open_log(lock_path("connections.tdb"), 0,
TDB_DEFAULT, O_RDONLY, 0);
if (!tdb) {
DEBUG(3, ("send_sync_message(): failed to open connections "
"database\n"));
return;
}
DEBUG(3, ("sending sam synchronisation message\n"));
message_send_all(tdb, MSG_SMB_SAM_SYNC, NULL, 0, False, NULL);
tdb_close(tdb);
}
/*************************************************************************
net_reply_logon_ctrl2:
*************************************************************************/
NTSTATUS _net_logon_ctrl2(pipes_struct *p, NET_Q_LOGON_CTRL2 *q_u, NET_R_LOGON_CTRL2 *r_u)
{
uint32 flags = 0x0;
uint32 pdc_connection_status = 0x0;
uint32 logon_attempts = 0x0;
uint32 tc_status = ERROR_NO_LOGON_SERVERS;
char *trusted_domain = "test_domain";
DEBUG(0, ("*** net long ctrl2 %d, %d, %d\n",
q_u->function_code, q_u->query_level, q_u->switch_value));
DEBUG(6,("_net_logon_ctrl2: %d\n", __LINE__));
/* set up the Logon Control2 response */
init_net_r_logon_ctrl2(r_u, q_u->query_level,
flags, pdc_connection_status, logon_attempts,
tc_status, trusted_domain);
if (lp_server_role() == ROLE_DOMAIN_BDC)
send_sync_message();
DEBUG(6,("_net_logon_ctrl2: %d\n", __LINE__));
return r_u->status;
}
/*************************************************************************
net_reply_trust_dom_list:
*************************************************************************/
NTSTATUS _net_trust_dom_list(pipes_struct *p, NET_Q_TRUST_DOM_LIST *q_u, NET_R_TRUST_DOM_LIST *r_u)
{
char *trusted_domain = "test_domain";
uint32 num_trust_domains = 1;
DEBUG(6,("_net_trust_dom_list: %d\n", __LINE__));
/* set up the Trusted Domain List response */
init_r_trust_dom(r_u, num_trust_domains, trusted_domain);
DEBUG(6,("_net_trust_dom_list: %d\n", __LINE__));
return r_u->status;
}
/***********************************************************************************
init_net_r_srv_pwset:
***********************************************************************************/
static void init_net_r_srv_pwset(NET_R_SRV_PWSET *r_s,
DOM_CRED *srv_cred, NTSTATUS status)
{
DEBUG(5,("init_net_r_srv_pwset: %d\n", __LINE__));
memcpy(&r_s->srv_cred, srv_cred, sizeof(r_s->srv_cred));
r_s->status = status;
DEBUG(5,("init_net_r_srv_pwset: %d\n", __LINE__));
}
/******************************************************************
gets a machine password entry. checks access rights of the host.
******************************************************************/
static BOOL get_md4pw(char *md4pw, char *mach_acct)
{
SAM_ACCOUNT *sampass = NULL;
const uint8 *pass;
BOOL ret;
#if 0
/*
* Currently this code is redundent as we already have a filter
* by hostname list. What this code really needs to do is to
* get a hosts allowed/hosts denied list from the SAM database
* on a per user basis, and make the access decision there.
* I will leave this code here for now as a reminder to implement
* this at a later date. JRA.
*/
if (!allow_access(lp_domain_hostsdeny(), lp_domain_hostsallow(),
client_name(), client_addr()))
{
DEBUG(0,("get_md4pw: Workstation %s denied access to domain\n", mach_acct));
return False;
}
#endif /* 0 */
if(!NT_STATUS_IS_OK(pdb_init_sam(&sampass)))
return False;
/* JRA. This is ok as it is only used for generating the challenge. */
become_root();
ret=pdb_getsampwnam(sampass, mach_acct);
unbecome_root();
if (ret==False) {
DEBUG(0,("get_md4pw: Workstation %s: no account in domain\n", mach_acct));
pdb_free_sam(&sampass);
return False;
}
if (!(pdb_get_acct_ctrl(sampass) & ACB_DISABLED) && ((pass=pdb_get_nt_passwd(sampass)) != NULL)) {
memcpy(md4pw, pass, 16);
dump_data(5, md4pw, 16);
pdb_free_sam(&sampass);
return True;
}
DEBUG(0,("get_md4pw: Workstation %s: no account in domain\n", mach_acct));
pdb_free_sam(&sampass);
return False;
}
/*************************************************************************
_net_req_chal
*************************************************************************/
NTSTATUS _net_req_chal(pipes_struct *p, NET_Q_REQ_CHAL *q_u, NET_R_REQ_CHAL *r_u)
{
NTSTATUS status = NT_STATUS_OK;
fstring mach_acct;
if (!get_valid_user_struct(p->vuid))
return NT_STATUS_NO_SUCH_USER;
rpcstr_pull(mach_acct,q_u->uni_logon_clnt.buffer,sizeof(fstring),q_u->uni_logon_clnt.uni_str_len*2,0);
strlower(mach_acct);
fstrcat(mach_acct, "$");
if (get_md4pw((char *)p->dc.md4pw, mach_acct)) {
/* copy the client credentials */
memcpy(p->dc.clnt_chal.data , q_u->clnt_chal.data, sizeof(q_u->clnt_chal.data));
memcpy(p->dc.clnt_cred.challenge.data, q_u->clnt_chal.data, sizeof(q_u->clnt_chal.data));
/* create a server challenge for the client */
/* Set these to random values. */
generate_random_buffer(p->dc.srv_chal.data, 8, False);
memcpy(p->dc.srv_cred.challenge.data, p->dc.srv_chal.data, 8);
memset((char *)p->dc.sess_key, '\0', sizeof(p->dc.sess_key));
/* from client / server challenges and md4 password, generate sess key */
cred_session_key(&p->dc.clnt_chal, &p->dc.srv_chal,
(char *)p->dc.md4pw, p->dc.sess_key);
/* Save the machine account name. */
fstrcpy(p->dc.mach_acct, mach_acct);
} else {
/* lkclXXXX take a guess at a good error message to return :-) */
status = NT_STATUS_NOLOGON_WORKSTATION_TRUST_ACCOUNT;
}
/* set up the LSA REQUEST CHALLENGE response */
init_net_r_req_chal(r_u, &p->dc.srv_chal, status);
return r_u->status;
}
/*************************************************************************
init_net_r_auth:
*************************************************************************/
static void init_net_r_auth(NET_R_AUTH *r_a, DOM_CHAL *resp_cred, NTSTATUS status)
{
memcpy(r_a->srv_chal.data, resp_cred->data, sizeof(resp_cred->data));
r_a->status = status;
}
/*************************************************************************
_net_auth
*************************************************************************/
NTSTATUS _net_auth(pipes_struct *p, NET_Q_AUTH *q_u, NET_R_AUTH *r_u)
{
NTSTATUS status = NT_STATUS_OK;
DOM_CHAL srv_cred;
UTIME srv_time;
if (!get_valid_user_struct(p->vuid))
return NT_STATUS_NO_SUCH_USER;
srv_time.time = 0;
/* check that the client credentials are valid */
if (cred_assert(&q_u->clnt_chal, p->dc.sess_key, &p->dc.clnt_cred.challenge, srv_time)) {
/* create server challenge for inclusion in the reply */
cred_create(p->dc.sess_key, &p->dc.srv_cred.challenge, srv_time, &srv_cred);
/* copy the received client credentials for use next time */
memcpy(p->dc.clnt_cred.challenge.data, q_u->clnt_chal.data, sizeof(q_u->clnt_chal.data));
memcpy(p->dc.srv_cred .challenge.data, q_u->clnt_chal.data, sizeof(q_u->clnt_chal.data));
} else {
status = NT_STATUS_ACCESS_DENIED;
}
/* set up the LSA AUTH 2 response */
init_net_r_auth(r_u, &srv_cred, status);
return r_u->status;
}
/*************************************************************************
init_net_r_auth_2:
*************************************************************************/
static void init_net_r_auth_2(NET_R_AUTH_2 *r_a,
DOM_CHAL *resp_cred, NEG_FLAGS *flgs, NTSTATUS status)
{
memcpy(r_a->srv_chal.data, resp_cred->data, sizeof(resp_cred->data));
memcpy(&r_a->srv_flgs, flgs, sizeof(r_a->srv_flgs));
r_a->status = status;
}
/*************************************************************************
_net_auth_2
*************************************************************************/
NTSTATUS _net_auth_2(pipes_struct *p, NET_Q_AUTH_2 *q_u, NET_R_AUTH_2 *r_u)
{
NTSTATUS status = NT_STATUS_OK;
DOM_CHAL srv_cred;
UTIME srv_time;
NEG_FLAGS srv_flgs;
if (!get_valid_user_struct(p->vuid))
return NT_STATUS_NO_SUCH_USER;
srv_time.time = 0;
/* check that the client credentials are valid */
if (cred_assert(&q_u->clnt_chal, p->dc.sess_key, &p->dc.clnt_cred.challenge, srv_time)) {
/* create server challenge for inclusion in the reply */
cred_create(p->dc.sess_key, &p->dc.srv_cred.challenge, srv_time, &srv_cred);
/* copy the received client credentials for use next time */
memcpy(p->dc.clnt_cred.challenge.data, q_u->clnt_chal.data, sizeof(q_u->clnt_chal.data));
memcpy(p->dc.srv_cred .challenge.data, q_u->clnt_chal.data, sizeof(q_u->clnt_chal.data));
} else {
status = NT_STATUS_ACCESS_DENIED;
}
srv_flgs.neg_flags = 0x000001ff;
/* set up the LSA AUTH 2 response */
init_net_r_auth_2(r_u, &srv_cred, &srv_flgs, status);
return r_u->status;
}
/*************************************************************************
_net_srv_pwset
*************************************************************************/
NTSTATUS _net_srv_pwset(pipes_struct *p, NET_Q_SRV_PWSET *q_u, NET_R_SRV_PWSET *r_u)
{
NTSTATUS status = NT_STATUS_WRONG_PASSWORD;
DOM_CRED srv_cred;
pstring mach_acct;
SAM_ACCOUNT *sampass=NULL;
BOOL ret = False;
unsigned char pwd[16];
int i;
if (!get_valid_user_struct(p->vuid))
return NT_STATUS_NO_SUCH_USER;
/* checks and updates credentials. creates reply credentials */
if (!deal_with_creds(p->dc.sess_key, &p->dc.clnt_cred, &q_u->clnt_id.cred, &srv_cred))
return NT_STATUS_INVALID_HANDLE;
memcpy(&p->dc.srv_cred, &p->dc.clnt_cred, sizeof(p->dc.clnt_cred));
DEBUG(5,("_net_srv_pwset: %d\n", __LINE__));
rpcstr_pull(mach_acct,q_u->clnt_id.login.uni_acct_name.buffer,
sizeof(mach_acct),q_u->clnt_id.login.uni_acct_name.uni_str_len*2,0);
DEBUG(3,("Server Password Set Wksta:[%s]\n", mach_acct));
/*
* Check the machine account name we're changing is the same
* as the one we've authenticated from. This prevents arbitrary
* machines changing other machine account passwords.
*/
if (!strequal(mach_acct, p->dc.mach_acct)) {
return NT_STATUS_ACCESS_DENIED;
}
pdb_init_sam(&sampass);
become_root();
ret=pdb_getsampwnam(sampass, mach_acct);
unbecome_root();
/* Ensure the account exists and is a machine account. */
if (ret==False || !(pdb_get_acct_ctrl(sampass) & ACB_WSTRUST)) {
pdb_free_sam(&sampass);
return NT_STATUS_NO_SUCH_USER;
}
DEBUG(100,("Server password set : new given value was :\n"));
for(i = 0; i < 16; i++)
DEBUG(100,("%02X ", q_u->pwd[i]));
DEBUG(100,("\n"));
cred_hash3( pwd, q_u->pwd, p->dc.sess_key, 0);
/* lies! nt and lm passwords are _not_ the same: don't care */
if (!pdb_set_lanman_passwd (sampass, pwd)) {
pdb_free_sam(&sampass);
return NT_STATUS_NO_MEMORY;
}
if (!pdb_set_nt_passwd (sampass, pwd)) {
pdb_free_sam(&sampass);
return NT_STATUS_NO_MEMORY;
}
if (!pdb_set_acct_ctrl (sampass, ACB_WSTRUST)) {
pdb_free_sam(&sampass);
/* Not quite sure what this one qualifies as, but this will do */
return NT_STATUS_NO_MEMORY;
}
if (!pdb_set_pass_changed_now (sampass)) {
pdb_free_sam(&sampass);
/* Not quite sure what this one qualifies as, but this will do */
return NT_STATUS_NO_MEMORY;
}
become_root();
ret = pdb_update_sam_account (sampass,False);
unbecome_root();
if (ret)
status = NT_STATUS_OK;
/* set up the LSA Server Password Set response */
init_net_r_srv_pwset(r_u, &srv_cred, status);
pdb_free_sam(&sampass);
return r_u->status;
}
/*************************************************************************
_net_sam_logoff:
*************************************************************************/
NTSTATUS _net_sam_logoff(pipes_struct *p, NET_Q_SAM_LOGOFF *q_u, NET_R_SAM_LOGOFF *r_u)
{
DOM_CRED srv_cred;
if (!get_valid_user_struct(p->vuid))
return NT_STATUS_NO_SUCH_USER;
/* checks and updates credentials. creates reply credentials */
if (!deal_with_creds(p->dc.sess_key, &p->dc.clnt_cred,
&q_u->sam_id.client.cred, &srv_cred))
return NT_STATUS_INVALID_HANDLE;
memcpy(&p->dc.srv_cred, &p->dc.clnt_cred, sizeof(p->dc.clnt_cred));
/* XXXX maybe we want to say 'no', reject the client's credentials */
r_u->buffer_creds = 1; /* yes, we have valid server credentials */
memcpy(&r_u->srv_creds, &srv_cred, sizeof(r_u->srv_creds));
r_u->status = NT_STATUS_OK;
return r_u->status;
}
/*************************************************************************
_net_sam_logon
*************************************************************************/
NTSTATUS _net_sam_logon(pipes_struct *p, NET_Q_SAM_LOGON *q_u, NET_R_SAM_LOGON *r_u)
{
NTSTATUS status = NT_STATUS_OK;
NET_USER_INFO_3 *usr_info = NULL;
NET_ID_INFO_CTR *ctr = q_u->sam_id.ctr;
DOM_CRED srv_cred;
UNISTR2 *uni_samlogon_user = NULL;
UNISTR2 *uni_samlogon_domain = NULL;
UNISTR2 *uni_samlogon_workstation = NULL;
fstring nt_username, nt_domain, nt_workstation;
auth_usersupplied_info *user_info = NULL;
auth_serversupplied_info *server_info = NULL;
extern userdom_struct current_user_info;
usr_info = (NET_USER_INFO_3 *)talloc(p->mem_ctx, sizeof(NET_USER_INFO_3));
if (!usr_info)
return NT_STATUS_NO_MEMORY;
ZERO_STRUCTP(usr_info);
if (!get_valid_user_struct(p->vuid))
return NT_STATUS_NO_SUCH_USER;
/* checks and updates credentials. creates reply credentials */
if (!deal_with_creds(p->dc.sess_key, &p->dc.clnt_cred, &q_u->sam_id.client.cred, &srv_cred))
return NT_STATUS_INVALID_HANDLE;
else
memcpy(&p->dc.srv_cred, &p->dc.clnt_cred, sizeof(p->dc.clnt_cred));
r_u->buffer_creds = 1; /* yes, we have valid server credentials */
memcpy(&r_u->srv_creds, &srv_cred, sizeof(r_u->srv_creds));
/* store the user information, if there is any. */
r_u->user = usr_info;
r_u->switch_value = 0; /* indicates no info */
r_u->auth_resp = 1; /* authoritative response */
r_u->switch_value = 3; /* indicates type of validation user info */
/* find the username */
switch (q_u->sam_id.logon_level) {
case INTERACTIVE_LOGON_TYPE:
uni_samlogon_user = &ctr->auth.id1.uni_user_name;
uni_samlogon_domain = &ctr->auth.id1.uni_domain_name;
uni_samlogon_workstation = &ctr->auth.id1.uni_wksta_name;
DEBUG(3,("SAM Logon (Interactive). Domain:[%s]. ", lp_workgroup()));
break;
case NET_LOGON_TYPE:
uni_samlogon_user = &ctr->auth.id2.uni_user_name;
uni_samlogon_domain = &ctr->auth.id2.uni_domain_name;
uni_samlogon_workstation = &ctr->auth.id2.uni_wksta_name;
DEBUG(3,("SAM Logon (Network). Domain:[%s]. ", lp_workgroup()));
break;
default:
DEBUG(2,("SAM Logon: unsupported switch value\n"));
return NT_STATUS_INVALID_INFO_CLASS;
} /* end switch */
/* check username exists */
rpcstr_pull(nt_username,uni_samlogon_user->buffer,sizeof(nt_username),uni_samlogon_user->uni_str_len*2,0);
rpcstr_pull(nt_domain,uni_samlogon_domain->buffer,sizeof(nt_domain),uni_samlogon_domain->uni_str_len*2,0);
rpcstr_pull(nt_workstation,uni_samlogon_workstation->buffer,sizeof(nt_workstation),uni_samlogon_workstation->uni_str_len*2,0);
DEBUG(3,("User:[%s@%s] Requested Domain:[%s]\n", nt_username,
nt_workstation, nt_domain));
pstrcpy(current_user_info.smb_name, nt_username);
/*
* Convert to a UNIX username.
*/
DEBUG(5,("Attempting validation level %d for unmapped username %s.\n", q_u->sam_id.ctr->switch_value, nt_username));
switch (ctr->switch_value) {
case NET_LOGON_TYPE:
{
struct auth_context *auth_context = NULL;
if (!NT_STATUS_IS_OK(status = make_auth_context_fixed(&auth_context, ctr->auth.id2.lm_chal))) {
return status;
}
/* Standard challenge/response authenticaion */
if (!make_user_info_netlogon_network(&user_info,
nt_username, nt_domain,
nt_workstation,
ctr->auth.id2.lm_chal_resp.buffer,
ctr->auth.id2.lm_chal_resp.str_str_len,
ctr->auth.id2.nt_chal_resp.buffer,
ctr->auth.id2.nt_chal_resp.str_str_len)) {
status = NT_STATUS_NO_MEMORY;
} else {
status = auth_context->check_ntlm_password(auth_context, user_info, &server_info);
}
(auth_context->free)(&auth_context);
break;
}
case INTERACTIVE_LOGON_TYPE:
/* 'Interactive' autheticaion, supplies the password in its
MD4 form, encrypted with the session key. We will
convert this to chellange/responce for the auth
subsystem to chew on */
{
struct auth_context *auth_context = NULL;
const uint8 *chal;
if (!NT_STATUS_IS_OK(status = make_auth_context_subsystem(&auth_context))) {
return status;
}
chal = auth_context->get_ntlm_challenge(auth_context);
if (!make_user_info_netlogon_interactive(&user_info,
nt_username, nt_domain,
nt_workstation, chal,
ctr->auth.id1.lm_owf.data,
ctr->auth.id1.nt_owf.data,
p->dc.sess_key)) {
status = NT_STATUS_NO_MEMORY;
} else {
status = auth_context->check_ntlm_password(auth_context, user_info, &server_info);
}
(auth_context->free)(&auth_context);
break;
}
default:
DEBUG(2,("SAM Logon: unsupported switch value\n"));
return NT_STATUS_INVALID_INFO_CLASS;
} /* end switch */
free_user_info(&user_info);
DEBUG(5, ("_net_sam_logon: check_password returned status %s\n",
get_nt_error_msg(status)));
/* Check account and password */
if (!NT_STATUS_IS_OK(status)) {
free_server_info(&server_info);
return status;
}
if (server_info->guest) {
/* We don't like guest domain logons... */
DEBUG(5,("_net_sam_logon: Attempted domain logon as GUEST denied.\n"));
free_server_info(&server_info);
return NT_STATUS_LOGON_FAILURE;
}
/* This is the point at which, if the login was successful, that
the SAM Local Security Authority should record that the user is
logged in to the domain. */
{
DOM_GID *gids = NULL;
int num_gids = 0;
pstring my_name;
pstring my_workgroup;
/* set up pointer indicating user/password failed to be found */
usr_info->ptr_user_info = 0;
pstrcpy(my_workgroup, lp_workgroup());
pstrcpy(my_name, global_myname);
strupper(my_name);
/*
* This is the point at which we get the group
* database - we should be getting the gid_t list
* from /etc/group and then turning the uids into
* rids and then into machine sids for this user.
* JRA.
*/
gids = NULL;
get_domain_user_groups(p->mem_ctx, &num_gids, &gids, server_info->sam_account);
init_net_user_info3(p->mem_ctx, usr_info, server_info->sam_account,
0, /* logon_count */
0, /* bad_pw_count */
num_gids, /* uint32 num_groups */
gids , /* DOM_GID *gids */
0x20 , /* uint32 user_flgs (?) */
NULL, /* uchar sess_key[16] */
my_name , /* char *logon_srv */
my_workgroup, /* char *logon_dom */
&global_sam_sid, /* DOM_SID *dom_sid */
NULL); /* char *other_sids */
}
free_server_info(&server_info);
return status;
}