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iAdditional files for winbind merge.

(This used to be commit 38ab3b31b5)
This commit is contained in:
Tim Potter 2001-05-07 05:03:40 +00:00
parent a36f9250e7
commit ebb900cf3e
4 changed files with 852 additions and 0 deletions

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/* pam_winbind header file
(Solaris needs some macros from Linux for common PAM code)
Shirish Kalele 2000
*/
#ifdef HAVE_FEATURES_H
#include <features.h>
#endif
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <syslog.h>
#include <stdarg.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include <config.h>
#define MODULE_NAME "pam_winbind"
#define PAM_SM_AUTH
#define PAM_SM_ACCOUNT
#define PAM_SM_PASSWORD
#if defined(SUNOS5) || defined(SUNOS4)
/* Solaris always uses dynamic pam modules */
#define PAM_EXTERN extern
#include <security/pam_appl.h>
#define PAM_AUTHTOK_RECOVER_ERR PAM_AUTHTOK_RECOVERY_ERR
#endif
#include <security/pam_modules.h>
#ifdef HAVE_SECURITY__PAM_MACROS_H
#include <security/_pam_macros.h>
#else
/* Define required macros from (Linux PAM 0.68) security/_pam_macros.h */
#define _pam_drop_reply(/* struct pam_response * */ reply, /* int */ replies) \
do { \
int reply_i; \
\
for (reply_i=0; reply_i<replies; ++reply_i) { \
if (reply[reply_i].resp) { \
_pam_overwrite(reply[reply_i].resp); \
free(reply[reply_i].resp); \
} \
} \
if (reply) \
free(reply); \
} while (0)
#define _pam_overwrite(x) \
do { \
register char *__xx__; \
if ((__xx__=(x))) \
while (*__xx__) \
*__xx__++ = '\0'; \
} while (0)
/*
* Don't just free it, forget it too.
*/
#define _pam_drop(X) \
do { \
if (X) { \
free(X); \
X=NULL; \
} \
} while (0)
#define x_strdup(s) ( (s) ? strdup(s):NULL )
#endif
#define PAM_DEBUG_ARG (1<<0)
#define PAM_USE_AUTHTOK_ARG (1<<1)
#define PAM_UNKNOWN_OK_ARG (1<<2)
#include "winbind_nss_config.h"
#include "winbindd_nss.h"

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/*
Unix SMB/Netbios implementation.
Version 2.0
Winbind daemon glue functions to connect new cli interface
to older style lsa_ and samr_ functions
Copyright (C) tridge@samba.org 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.
*/
#include "winbindd.h"
/****************************************************************************
do a LSA Open Policy
****************************************************************************/
BOOL lsa_open_policy(char *server, BOOL sec_qos, uint32 des_access,
CLI_POLICY_HND *pol)
{
struct nmb_name calling, called;
struct ntuser_creds creds;
struct in_addr dest_ip;
fstring dest_host;
uint32 result = NT_STATUS_UNSUCCESSFUL;
extern pstring global_myname;
ZERO_STRUCTP(pol);
pol->cli = (struct cli_state *)malloc(sizeof(struct cli_state));
pol->mem_ctx = talloc_init();
if (!pol->cli || !pol->mem_ctx)
return False;
/* Initialise RPC connection */
ZERO_STRUCT(creds);
creds.pwd.null_pwd = 1;
cli_init_creds(pol->cli, &creds);
/* Establish a SMB connection */
if (!resolve_srv_name(server, dest_host, &dest_ip)) {
goto done;
}
make_nmb_name(&called, dns_to_netbios_name(dest_host), 0x20);
make_nmb_name(&calling, dns_to_netbios_name(global_myname), 0);
if (!cli_establish_connection(pol->cli, dest_host, &dest_ip, &calling,
&called, "IPC$", "IPC", False, True)) {
goto done;
}
if (!cli_nt_session_open (pol->cli, PIPE_LSARPC)) {
goto done;
}
result = cli_lsa_open_policy(pol->cli, pol->mem_ctx, sec_qos,
des_access, &pol->handle);
done:
if (result != NT_STATUS_NOPROBLEMO && pol->cli) {
if (pol->cli->initialised)
cli_shutdown(pol->cli);
free(pol->cli);
}
return (result == NT_STATUS_NOPROBLEMO);
}
/****************************************************************************
do a LSA Enumerate Trusted Domain
****************************************************************************/
BOOL lsa_enum_trust_dom(CLI_POLICY_HND *hnd, uint32 *enum_ctx,
uint32 * num_doms, char ***names, DOM_SID **sids)
{
uint32 ret;
ret = cli_lsa_enum_trust_dom(hnd->cli, hnd->mem_ctx, &hnd->handle,
enum_ctx, num_doms, names, sids);
return (ret == NT_STATUS_NOPROBLEMO);
}
/****************************************************************************
do a LSA Query Info Policy
****************************************************************************/
BOOL lsa_query_info_pol(CLI_POLICY_HND *hnd, uint16 info_class,
fstring domain_name, DOM_SID *domain_sid)
{
uint32 ret;
ret = cli_lsa_query_info_policy(hnd->cli, hnd->mem_ctx, &hnd->handle,
info_class, domain_name, domain_sid);
return (ret == NT_STATUS_NOPROBLEMO);
}
/****************************************************************************
do a LSA Lookup Names
****************************************************************************/
BOOL lsa_lookup_names(CLI_POLICY_HND *hnd, int num_names, char **names,
DOM_SID **sids, uint32 **types, int *num_sids)
{
uint32 ret;
ret = cli_lsa_lookup_names(hnd->cli, hnd->mem_ctx, &hnd->handle,
num_names, names, sids, types, num_sids);
return (ret == NT_STATUS_NOPROBLEMO);
}
/****************************************************************************
do a LSA Lookup SIDS
****************************************************************************/
BOOL lsa_lookup_sids(CLI_POLICY_HND *hnd, int num_sids, DOM_SID *sids,
char ***names, uint32 **types, int *num_names)
{
uint32 ret;
ret = cli_lsa_lookup_sids(hnd->cli, hnd->mem_ctx, &hnd->handle,
num_sids, sids, names, types, num_names);
return (ret == NT_STATUS_NOPROBLEMO);
}
/****************************************************************************
lsa_close glue
****************************************************************************/
BOOL lsa_close(CLI_POLICY_HND *hnd)
{
uint32 ret;
ret = cli_lsa_close(hnd->cli, hnd->mem_ctx, &hnd->handle);
return (ret == NT_STATUS_NOPROBLEMO);
}
/****************************************************************************
samr_close glue
****************************************************************************/
BOOL samr_close(CLI_POLICY_HND *hnd)
{
uint32 ret;
ret = cli_samr_close(hnd->cli, hnd->mem_ctx, &hnd->handle);
return (ret == NT_STATUS_NOPROBLEMO);
}
/****************************************************************************
samr_connect glue
****************************************************************************/
BOOL samr_connect(char *srv_name, uint32 access_mask,
CLI_POLICY_HND *connect_pol)
{
uint32 ret;
ret = cli_samr_connect(connect_pol->cli, connect_pol->mem_ctx,
srv_name, access_mask,
&connect_pol->handle);
return (ret == NT_STATUS_NOPROBLEMO);
}
/****************************************************************************
samr_open_domain glue
****************************************************************************/
BOOL samr_open_domain(CLI_POLICY_HND *connect_pol,
uint32 ace_perms,
DOM_SID *sid,
CLI_POLICY_HND *domain_pol)
{
uint32 ret;
ret = cli_samr_open_domain(connect_pol->cli,
connect_pol->mem_ctx,
&connect_pol->handle,
ace_perms,
sid,
&domain_pol->handle);
if (ret == NT_STATUS_NOPROBLEMO) {
domain_pol->cli = connect_pol->cli;
return True;
}
return False;
}
/*******************************************************************
frees a structure.
********************************************************************/
void free_samr_userinfo_ctr(SAM_USERINFO_CTR * ctr)
{
if (ctr == NULL)
return;
safe_free(ctr->info.id);
ctr->info.id = NULL;
}
/****************************************************************************
do a SAMR enumerate groups
****************************************************************************/
uint32 samr_enum_dom_groups(CLI_POLICY_HND *pol,
uint32 *start_idx, uint32 size,
struct acct_info **sam,
uint32 *num_sam_groups)
{
DEBUG(0,("unimplemented samr_enum_dom_groups\n"));
return -1;
}
/****************************************************************************
do a SAMR enumerate groups
****************************************************************************/
BOOL get_samr_query_userinfo(CLI_POLICY_HND *pol, uint32 info_level,
uint32 user_rid, SAM_USERINFO_CTR *ctr)
{
POLICY_HND user_pol;
BOOL got_user_pol = False;
uint32 result;
if ((result = cli_samr_open_user(pol->cli, pol->mem_ctx,
&pol->handle, MAXIMUM_ALLOWED_ACCESS,
user_rid, &user_pol))
!= NT_STATUS_NOPROBLEMO)
goto done;
got_user_pol = True;
if ((result = cli_samr_query_userinfo(pol->cli, pol->mem_ctx,
&user_pol, info_level, ctr))
!= NT_STATUS_NOPROBLEMO)
goto done;
done:
if (got_user_pol) cli_samr_close(pol->cli, pol->mem_ctx, &user_pol);
return (result != NT_STATUS_NOPROBLEMO);
}
/****************************************************************************
do a SAMR enumerate groups
****************************************************************************/
BOOL samr_open_user(CLI_POLICY_HND *pol, uint32 access_mask, uint32 rid,
POLICY_HND *user_pol)
{
uint32 ret;
ret = cli_samr_open_user(pol->cli, pol->mem_ctx, &pol->handle,
access_mask, rid, user_pol);
return (ret == NT_STATUS_NOPROBLEMO);
}
BOOL samr_query_usergroups(CLI_POLICY_HND *pol, uint32 *num_groups,
DOM_GID **gid)
{
uint32 ret;
ret = cli_samr_query_usergroups(pol->cli, pol->mem_ctx, &pol->handle,
num_groups, gid);
return (ret == NT_STATUS_NOPROBLEMO);
}
BOOL get_samr_query_groupinfo(CLI_POLICY_HND *pol, uint32 info_level,
uint32 group_rid, GROUP_INFO_CTR *ctr)
{
POLICY_HND group_pol;
BOOL got_group_pol = False;
uint32 result;
if ((result = cli_samr_open_group(pol->cli, pol->mem_ctx,
&pol->handle, MAXIMUM_ALLOWED_ACCESS,
group_rid, &group_pol))
!= NT_STATUS_NOPROBLEMO)
goto done;
got_group_pol = True;
if ((result = cli_samr_query_groupinfo(pol->cli, pol->mem_ctx,
&group_pol, info_level,
ctr)) != NT_STATUS_NOPROBLEMO)
goto done;
done:
if (got_group_pol) cli_samr_close(pol->cli, pol->mem_ctx, &group_pol);
return (result == NT_STATUS_NOPROBLEMO);
}
BOOL sam_query_groupmem(CLI_POLICY_HND *pol, uint32 group_rid,
uint32 *num_names, uint32 **rid_mem, char ***names,
uint32 **name_types)
{
BOOL got_group_pol = False;
POLICY_HND group_pol;
uint32 result;
if ((result = cli_samr_open_group(pol->cli, pol->mem_ctx,
&pol->handle, MAXIMUM_ALLOWED_ACCESS,
group_rid, &group_pol))
!= NT_STATUS_NOPROBLEMO)
goto done;
got_group_pol = True;
if ((result = cli_samr_query_groupmem(pol->cli, pol->mem_ctx,
&group_pol, num_names, rid_mem,
name_types))
!= NT_STATUS_NOPROBLEMO)
goto done;
/* do a samr_query_lookup_rids() */
done:
if (got_group_pol) cli_samr_close(pol->cli, pol->mem_ctx, &group_pol);
return (result == NT_STATUS_NOPROBLEMO);
}
BOOL samr_query_dom_info(CLI_POLICY_HND *pol, uint16 switch_value,
SAM_UNK_CTR *ctr)
{
uint32 ret;
ret = cli_samr_query_dom_info(pol->cli, pol->mem_ctx,
&pol->handle, switch_value, ctr);
return (ret == NT_STATUS_NOPROBLEMO);
}
BOOL samr_query_dispinfo(CLI_POLICY_HND *pol, uint32 *start_ndx,
uint16 info_level, uint32 *num_entries,
SAM_DISPINFO_CTR *ctr)
{
uint32 ret;
ret = cli_samr_query_dispinfo(pol->cli, pol->mem_ctx,
&pol->handle, start_ndx, info_level,
num_entries, 0xffff, ctr);
return (ret == NT_STATUS_NOPROBLEMO);
}

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/*
Unix SMB/Netbios implementation.
Version 2.0
Winbind daemon - miscellaneous other functions
Copyright (C) Tim Potter 2000
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 "winbindd.h"
extern pstring global_myname;
/* Some routines to fetch the trust account password from a HEAD
version of Samba. Yuck. )-: */
/************************************************************************
form a key for fetching a domain trust password from
************************************************************************/
static char *trust_keystr(char *domain)
{
static fstring keystr;
snprintf(keystr,sizeof(keystr),"%s/%s", SECRETS_MACHINE_ACCT_PASS,
domain);
return keystr;
}
/************************************************************************
Routine to get the trust account password for a domain
************************************************************************/
BOOL _get_trust_account_password(char *domain, unsigned char *ret_pwd,
time_t *pass_last_set_time)
{
struct machine_acct_pass *pass;
fstring dos_domain;
size_t size;
fstrcpy(dos_domain, domain);
unix_to_dos(dos_domain, True);
if (!(pass = secrets_fetch(trust_keystr(dos_domain), &size)) ||
size != sizeof(*pass)) return False;
if (pass_last_set_time) *pass_last_set_time = pass->mod_time;
memcpy(ret_pwd, pass->hash, 16);
free(pass);
return True;
}
/* Check the machine account password is valid */
enum winbindd_result winbindd_check_machine_acct(
struct winbindd_cli_state *state)
{
int result = WINBINDD_ERROR;
uchar trust_passwd[16];
struct in_addr *ip_list = NULL;
int count;
uint16 validation_level;
fstring controller, trust_account;
DEBUG(3, ("[%5d]: check machine account\n", state->pid));
/* Get trust account password */
if (!_get_trust_account_password(lp_workgroup(), trust_passwd, NULL)) {
result = NT_STATUS_INTERNAL_ERROR;
goto done;
}
/* Get domain controller */
if (!get_dc_list(True, lp_workgroup(), &ip_list, &count) ||
!lookup_pdc_name(global_myname, lp_workgroup(), &ip_list[0],
controller)) {
DEBUG(0, ("could not find domain controller for "
"domain %s\n", lp_workgroup()));
result = NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND;
goto done;
}
DEBUG(3, ("contacting controller %s to check secret\n", controller));
/* Contact domain controller to check secret */
slprintf(trust_account, sizeof(trust_account) - 1, "%s$",
global_myname);
#if 0 /* XXX */
result = cli_nt_setup_creds(controller, lp_workgroup(), global_myname,
trust_account, trust_passwd,
SEC_CHAN_WKSTA, &validation_level);
#endif
/* Pass back result code - zero for success, other values for
specific failures. */
DEBUG(3, ("secret is %s\n", (result == NT_STATUS_NOPROBLEMO) ?
"good" : "bad"));
done:
state->response.data.num_entries = result;
return WINBINDD_OK;
}
enum winbindd_result winbindd_list_trusted_domains(struct winbindd_cli_state
*state)
{
struct winbindd_domain *domain;
int total_entries = 0, extra_data_len = 0;
char *extra_data = NULL;
DEBUG(3, ("[%5d]: list trusted domains\n", state->pid));
for(domain = domain_list; domain; domain = domain->next) {
/* Skip own domain */
if (strequal(domain->name, lp_workgroup())) continue;
/* Add domain to list */
total_entries++;
extra_data = Realloc(extra_data, sizeof(fstring) *
total_entries);
if (!extra_data) return WINBINDD_ERROR;
memcpy(&extra_data[extra_data_len], domain->name,
strlen(domain->name));
extra_data_len += strlen(domain->name);
extra_data[extra_data_len++] = ',';
}
if (extra_data) {
if (extra_data_len > 1) extra_data[extra_data_len - 1] = '\0';
state->response.extra_data = extra_data;
state->response.length += extra_data_len;
}
return WINBINDD_OK;
}

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/*
Unix SMB/Netbios implementation.
Version 2.0
Winbind daemon - sid related functions
Copyright (C) Tim Potter 2000
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 "winbindd.h"
#include "sids.h"
/* Convert a string */
enum winbindd_result winbindd_lookupsid(struct winbindd_cli_state *state)
{
extern DOM_SID global_sid_Builtin;
enum SID_NAME_USE type;
DOM_SID sid, tmp_sid;
uint32 rid;
fstring name;
DEBUG(3, ("[%5d]: lookupsid %s\n", state->pid,
state->request.data.sid));
/* Lookup sid from PDC using lsa_lookup_sids() */
string_to_sid(&sid, state->request.data.sid);
/* Don't look up BUILTIN sids */
sid_copy(&tmp_sid, &sid);
sid_split_rid(&tmp_sid, &rid);
if (sid_equal(&tmp_sid, &global_sid_Builtin)) {
return WINBINDD_ERROR;
}
/* Lookup the sid */
if (!winbindd_lookup_name_by_sid(&sid, name, &type)) {
return WINBINDD_ERROR;
}
string_sub(name, "\\", lp_winbind_separator(), sizeof(fstring));
fstrcpy(state->response.data.name.name, name);
state->response.data.name.type = type;
return WINBINDD_OK;
}
/* Convert a sid to a string */
enum winbindd_result winbindd_lookupname(struct winbindd_cli_state *state)
{
enum SID_NAME_USE type;
fstring sid_str, name_domain, name_user, name;
DOM_SID sid;
DEBUG(3, ("[%5d]: lookupname %s\n", state->pid,
state->request.data.name));
parse_domain_user(state->request.data.name, name_domain, name_user);
snprintf(name, sizeof(name), "%s\\%s", name_domain, name_user);
/* Lookup name from PDC using lsa_lookup_names() */
if (!winbindd_lookup_sid_by_name(name, &sid, &type)) {
return WINBINDD_ERROR;
}
sid_to_string(sid_str, &sid);
fstrcpy(state->response.data.sid.sid, sid_str);
state->response.data.sid.type = type;
return WINBINDD_OK;
}
/* Convert a sid to a uid. We assume we only have one rid attached to the
sid. */
enum winbindd_result winbindd_sid_to_uid(struct winbindd_cli_state *state)
{
DOM_SID sid;
uint32 user_rid;
struct winbindd_domain *domain;
DEBUG(3, ("[%5d]: sid to uid %s\n", state->pid,
state->request.data.sid));
/* Split sid into domain sid and user rid */
string_to_sid(&sid, state->request.data.sid);
sid_split_rid(&sid, &user_rid);
/* Find domain this sid belongs to */
if ((domain = find_domain_from_sid(&sid)) == NULL) {
fstring sid_str;
sid_to_string(sid_str, &sid);
DEBUG(1, ("Could not find domain for sid %s\n", sid_str));
return WINBINDD_ERROR;
}
/* Find uid for this sid and return it */
if (!winbindd_idmap_get_uid_from_rid(domain->name, user_rid,
&state->response.data.uid)) {
DEBUG(1, ("Could not get uid for sid %s\n",
state->request.data.sid));
return WINBINDD_ERROR;
}
return WINBINDD_OK;
}
/* Convert a sid to a gid. We assume we only have one rid attached to the
sid.*/
enum winbindd_result winbindd_sid_to_gid(struct winbindd_cli_state *state)
{
DOM_SID sid;
uint32 group_rid;
struct winbindd_domain *domain;
DEBUG(3, ("[%5d]: sid to gid %s\n", state->pid,
state->request.data.sid));
/* Split sid into domain sid and user rid */
string_to_sid(&sid, state->request.data.sid);
sid_split_rid(&sid, &group_rid);
/* Find domain this sid belongs to */
if ((domain = find_domain_from_sid(&sid)) == NULL) {
fstring sid_str;
sid_to_string(sid_str, &sid);
DEBUG(1, ("Could not find domain for sid %s\n", sid_str));
return WINBINDD_ERROR;
}
/* Find uid for this sid and return it */
if (!winbindd_idmap_get_gid_from_rid(domain->name, group_rid,
&state->response.data.gid)) {
DEBUG(1, ("Could not get gid for sid %s\n",
state->request.data.sid));
return WINBINDD_ERROR;
}
return WINBINDD_OK;
}
/* Convert a uid to a sid */
enum winbindd_result winbindd_uid_to_sid(struct winbindd_cli_state *state)
{
struct winbindd_domain *domain;
uint32 user_rid;
DOM_SID sid;
/* Bug out if the uid isn't in the winbind range */
if ((state->request.data.uid < server_state.uid_low ) ||
(state->request.data.uid > server_state.uid_high)) {
return WINBINDD_ERROR;
}
DEBUG(3, ("[%5d]: uid to sid %d\n", state->pid,
state->request.data.uid));
/* Lookup rid for this uid */
if (!winbindd_idmap_get_rid_from_uid(state->request.data.uid,
&user_rid, &domain)) {
DEBUG(1, ("Could not convert uid %d to rid\n",
state->request.data.uid));
return WINBINDD_ERROR;
}
/* Construct sid and return it */
sid_copy(&sid, &domain->sid);
sid_append_rid(&sid, user_rid);
sid_to_string(state->response.data.sid.sid, &sid);
state->response.data.sid.type = SID_NAME_USER;
return WINBINDD_OK;
}
/* Convert a gid to a sid */
enum winbindd_result winbindd_gid_to_sid(struct winbindd_cli_state *state)
{
struct winbindd_domain *domain;
uint32 group_rid;
DOM_SID sid;
/* Bug out if the gid isn't in the winbind range */
if ((state->request.data.gid < server_state.gid_low) ||
(state->request.data.gid > server_state.gid_high)) {
return WINBINDD_ERROR;
}
DEBUG(3, ("[%5d]: gid to sid %d\n", state->pid,
state->request.data.gid));
/* Lookup rid for this uid */
if (!winbindd_idmap_get_rid_from_gid(state->request.data.gid,
&group_rid, &domain)) {
DEBUG(1, ("Could not convert gid %d to rid\n",
state->request.data.gid));
return WINBINDD_ERROR;
}
/* Construct sid and return it */
sid_copy(&sid, &domain->sid);
sid_append_rid(&sid, group_rid);
sid_to_string(state->response.data.sid.sid, &sid);
state->response.data.sid.type = SID_NAME_DOM_GRP;
return WINBINDD_OK;
}