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|
/*
* idmap_ad: map between Active Directory and RFC 2307 or "Services for Unix" (SFU) Accounts
*
* Unix SMB/CIFS implementation.
*
* Winbind ADS backend functions
*
* Copyright (C) Andrew Tridgell 2001
* Copyright (C) Andrew Bartlett <abartlet@samba.org> 2003
* Copyright (C) Gerald (Jerry) Carter 2004-2007
* Copyright (C) Luke Howard 2001-2004
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_IDMAP
#define WINBIND_CCACHE_NAME "MEMORY:winbind_ccache"
#define IDMAP_AD_MAX_IDS 30
#define CHECK_ALLOC_DONE(mem) do { \
if (!mem) { \
DEBUG(0, ("Out of memory!\n")); \
ret = NT_STATUS_NO_MEMORY; \
goto done; \
} \
} while (0)
struct idmap_ad_context {
uint32_t filter_low_id;
uint32_t filter_high_id;
};
NTSTATUS init_module(void);
static ADS_STRUCT *ad_idmap_ads = NULL;
static struct posix_schema *ad_schema = NULL;
static enum wb_posix_mapping ad_map_type = WB_POSIX_MAP_UNKNOWN;
/************************************************************************
***********************************************************************/
static ADS_STRUCT *ad_idmap_cached_connection_internal(void)
{
ADS_STRUCT *ads;
ADS_STATUS status;
bool local = False;
fstring dc_name;
struct sockaddr_storage dc_ip;
if (ad_idmap_ads != NULL) {
time_t expire;
time_t now = time(NULL);
ads = ad_idmap_ads;
expire = MIN(ads->auth.tgt_expire, ads->auth.tgs_expire);
/* check for a valid structure */
DEBUG(7, ("Current tickets expire in %d seconds (at %d, time is now %d)\n",
(uint32)expire-(uint32)now, (uint32) expire, (uint32) now));
if ( ads->config.realm && (expire > time(NULL))) {
return ads;
} else {
/* we own this ADS_STRUCT so make sure it goes away */
DEBUG(7,("Deleting expired krb5 credential cache\n"));
ads->is_mine = True;
ads_destroy( &ads );
ads_kdestroy(WINBIND_CCACHE_NAME);
ad_idmap_ads = NULL;
TALLOC_FREE( ad_schema );
}
}
if (!local) {
/* we don't want this to affect the users ccache */
setenv("KRB5CCNAME", WINBIND_CCACHE_NAME, 1);
}
if ( (ads = ads_init(lp_realm(), lp_workgroup(), NULL)) == NULL ) {
DEBUG(1,("ads_init failed\n"));
return NULL;
}
/* the machine acct password might have change - fetch it every time */
SAFE_FREE(ads->auth.password);
ads->auth.password = secrets_fetch_machine_password(lp_workgroup(), NULL, NULL);
SAFE_FREE(ads->auth.realm);
ads->auth.realm = SMB_STRDUP(lp_realm());
/* setup server affinity */
get_dc_name( NULL, ads->auth.realm, dc_name, &dc_ip );
status = ads_connect(ads);
if (!ADS_ERR_OK(status)) {
DEBUG(1, ("ad_idmap_init: failed to connect to AD\n"));
ads_destroy(&ads);
return NULL;
}
ads->is_mine = False;
ad_idmap_ads = ads;
return ads;
}
/************************************************************************
***********************************************************************/
static ADS_STRUCT *ad_idmap_cached_connection(void)
{
ADS_STRUCT *ads = ad_idmap_cached_connection_internal();
if ( !ads )
return NULL;
/* if we have a valid ADS_STRUCT and the schema model is
defined, then we can return here. */
if ( ad_schema )
return ads;
/* Otherwise, set the schema model */
if ( (ad_map_type == WB_POSIX_MAP_SFU) ||
(ad_map_type == WB_POSIX_MAP_SFU20) ||
(ad_map_type == WB_POSIX_MAP_RFC2307) )
{
ADS_STATUS schema_status;
schema_status = ads_check_posix_schema_mapping( NULL, ads, ad_map_type, &ad_schema);
if ( !ADS_ERR_OK(schema_status) ) {
DEBUG(2,("ad_idmap_cached_connection: Failed to obtain schema details!\n"));
return NULL;
}
}
return ads;
}
/************************************************************************
***********************************************************************/
static NTSTATUS idmap_ad_initialize(struct idmap_domain *dom)
{
struct idmap_ad_context *ctx;
char *config_option;
const char *range = NULL;
const char *schema_mode = NULL;
if ( (ctx = TALLOC_ZERO_P(dom, struct idmap_ad_context)) == NULL ) {
DEBUG(0, ("Out of memory!\n"));
return NT_STATUS_NO_MEMORY;
}
if ( (config_option = talloc_asprintf(ctx, "idmap config %s", dom->name)) == NULL ) {
DEBUG(0, ("Out of memory!\n"));
talloc_free(ctx);
return NT_STATUS_NO_MEMORY;
}
/* load ranges */
range = lp_parm_const_string(-1, config_option, "range", NULL);
if (range && range[0]) {
if ((sscanf(range, "%u - %u", &ctx->filter_low_id, &ctx->filter_high_id) != 2) ||
(ctx->filter_low_id > ctx->filter_high_id)) {
DEBUG(1, ("ERROR: invalid filter range [%s]", range));
ctx->filter_low_id = 0;
ctx->filter_high_id = 0;
}
}
/* schema mode */
if ( ad_map_type == WB_POSIX_MAP_UNKNOWN )
ad_map_type = WB_POSIX_MAP_RFC2307;
schema_mode = lp_parm_const_string(-1, config_option, "schema_mode", NULL);
if ( schema_mode && schema_mode[0] ) {
if ( strequal(schema_mode, "sfu") )
ad_map_type = WB_POSIX_MAP_SFU;
else if ( strequal(schema_mode, "sfu20" ) )
ad_map_type = WB_POSIX_MAP_SFU20;
else if ( strequal(schema_mode, "rfc2307" ) )
ad_map_type = WB_POSIX_MAP_RFC2307;
else
DEBUG(0,("idmap_ad_initialize: Unknown schema_mode (%s)\n",
schema_mode));
}
dom->private_data = ctx;
dom->initialized = True;
talloc_free(config_option);
return NT_STATUS_OK;
}
/************************************************************************
Search up to IDMAP_AD_MAX_IDS entries in maps for a match.
***********************************************************************/
static struct id_map *find_map_by_id(struct id_map **maps, enum id_type type, uint32_t id)
{
int i;
for (i = 0; maps[i] && i<IDMAP_AD_MAX_IDS; i++) {
if ((maps[i]->xid.type == type) && (maps[i]->xid.id == id)) {
return maps[i];
}
}
return NULL;
}
/************************************************************************
Search up to IDMAP_AD_MAX_IDS entries in maps for a match
***********************************************************************/
static struct id_map *find_map_by_sid(struct id_map **maps, DOM_SID *sid)
{
int i;
for (i = 0; maps[i] && i<IDMAP_AD_MAX_IDS; i++) {
if (sid_equal(maps[i]->sid, sid)) {
return maps[i];
}
}
return NULL;
}
/************************************************************************
***********************************************************************/
static NTSTATUS idmap_ad_unixids_to_sids(struct idmap_domain *dom, struct id_map **ids)
{
NTSTATUS ret;
TALLOC_CTX *memctx;
struct idmap_ad_context *ctx;
ADS_STATUS rc;
ADS_STRUCT *ads;
const char *attrs[] = { "sAMAccountType",
"objectSid",
NULL, /* uidnumber */
NULL, /* gidnumber */
NULL };
LDAPMessage *res = NULL;
LDAPMessage *entry = NULL;
char *filter = NULL;
int idx = 0;
int bidx = 0;
int count;
int i;
char *u_filter = NULL;
char *g_filter = NULL;
/* Only do query if we are online */
if (idmap_is_offline()) {
return NT_STATUS_FILE_IS_OFFLINE;
}
/* Initilization my have been deferred because we were offline */
if ( ! dom->initialized) {
ret = idmap_ad_initialize(dom);
if ( ! NT_STATUS_IS_OK(ret)) {
return ret;
}
}
ctx = talloc_get_type(dom->private_data, struct idmap_ad_context);
if ( (memctx = talloc_new(ctx)) == NULL ) {
DEBUG(0, ("Out of memory!\n"));
return NT_STATUS_NO_MEMORY;
}
if ( (ads = ad_idmap_cached_connection()) == NULL ) {
DEBUG(1, ("ADS uninitialized\n"));
ret = NT_STATUS_UNSUCCESSFUL;
goto done;
}
attrs[2] = ad_schema->posix_uidnumber_attr;
attrs[3] = ad_schema->posix_gidnumber_attr;
again:
bidx = idx;
for (i = 0; (i < IDMAP_AD_MAX_IDS) && ids[idx]; i++, idx++) {
switch (ids[idx]->xid.type) {
case ID_TYPE_UID:
if ( ! u_filter) {
u_filter = talloc_asprintf(memctx, "(&(|"
"(sAMAccountType=%d)"
"(sAMAccountType=%d)"
"(sAMAccountType=%d))(|",
ATYPE_NORMAL_ACCOUNT,
ATYPE_WORKSTATION_TRUST,
ATYPE_INTERDOMAIN_TRUST);
}
u_filter = talloc_asprintf_append_buffer(u_filter, "(%s=%lu)",
ad_schema->posix_uidnumber_attr,
(unsigned long)ids[idx]->xid.id);
CHECK_ALLOC_DONE(u_filter);
break;
case ID_TYPE_GID:
if ( ! g_filter) {
g_filter = talloc_asprintf(memctx, "(&(|"
"(sAMAccountType=%d)"
"(sAMAccountType=%d))(|",
ATYPE_SECURITY_GLOBAL_GROUP,
ATYPE_SECURITY_LOCAL_GROUP);
}
g_filter = talloc_asprintf_append_buffer(g_filter, "(%s=%lu)",
ad_schema->posix_gidnumber_attr,
(unsigned long)ids[idx]->xid.id);
CHECK_ALLOC_DONE(g_filter);
break;
default:
DEBUG(3, ("Error: mapping requested but Unknown ID type\n"));
ids[idx]->status = ID_UNKNOWN;
continue;
}
}
filter = talloc_asprintf(memctx, "(|");
CHECK_ALLOC_DONE(filter);
if ( u_filter) {
filter = talloc_asprintf_append_buffer(filter, "%s))", u_filter);
CHECK_ALLOC_DONE(filter);
TALLOC_FREE(u_filter);
}
if ( g_filter) {
filter = talloc_asprintf_append_buffer(filter, "%s))", g_filter);
CHECK_ALLOC_DONE(filter);
TALLOC_FREE(g_filter);
}
filter = talloc_asprintf_append_buffer(filter, ")");
CHECK_ALLOC_DONE(filter);
rc = ads_search_retry(ads, &res, filter, attrs);
if (!ADS_ERR_OK(rc)) {
DEBUG(1, ("ERROR: ads search returned: %s\n", ads_errstr(rc)));
ret = NT_STATUS_UNSUCCESSFUL;
goto done;
}
if ( (count = ads_count_replies(ads, res)) == 0 ) {
DEBUG(10, ("No IDs found\n"));
}
entry = res;
for (i = 0; (i < count) && entry; i++) {
DOM_SID sid;
enum id_type type;
struct id_map *map;
uint32_t id;
uint32_t atype;
if (i == 0) { /* first entry */
entry = ads_first_entry(ads, entry);
} else { /* following ones */
entry = ads_next_entry(ads, entry);
}
if ( !entry ) {
DEBUG(2, ("ERROR: Unable to fetch ldap entries from results\n"));
break;
}
/* first check if the SID is present */
if (!ads_pull_sid(ads, entry, "objectSid", &sid)) {
DEBUG(2, ("Could not retrieve SID from entry\n"));
continue;
}
/* get type */
if (!ads_pull_uint32(ads, entry, "sAMAccountType", &atype)) {
DEBUG(1, ("could not get SAM account type\n"));
continue;
}
switch (atype & 0xF0000000) {
case ATYPE_SECURITY_GLOBAL_GROUP:
case ATYPE_SECURITY_LOCAL_GROUP:
type = ID_TYPE_GID;
break;
case ATYPE_NORMAL_ACCOUNT:
case ATYPE_WORKSTATION_TRUST:
case ATYPE_INTERDOMAIN_TRUST:
type = ID_TYPE_UID;
break;
default:
DEBUG(1, ("unrecognized SAM account type %08x\n", atype));
continue;
}
if (!ads_pull_uint32(ads, entry, (type==ID_TYPE_UID) ?
ad_schema->posix_uidnumber_attr :
ad_schema->posix_gidnumber_attr,
&id))
{
DEBUG(1, ("Could not get unix ID\n"));
continue;
}
if ((id == 0) ||
(ctx->filter_low_id && (id < ctx->filter_low_id)) ||
(ctx->filter_high_id && (id > ctx->filter_high_id))) {
DEBUG(5, ("Requested id (%u) out of range (%u - %u). Filtered!\n",
id, ctx->filter_low_id, ctx->filter_high_id));
continue;
}
map = find_map_by_id(&ids[bidx], type, id);
if (!map) {
DEBUG(2, ("WARNING: couldn't match result with requested ID\n"));
continue;
}
sid_copy(map->sid, &sid);
/* mapped */
map->status = ID_MAPPED;
DEBUG(10, ("Mapped %s -> %lu (%d)\n", sid_string_dbg(map->sid),
(unsigned long)map->xid.id,
map->xid.type));
}
if (res) {
ads_msgfree(ads, res);
}
if (ids[idx]) { /* still some values to map */
goto again;
}
ret = NT_STATUS_OK;
/* mark all unknown/expired ones as unmapped */
for (i = 0; ids[i]; i++) {
if (ids[i]->status != ID_MAPPED)
ids[i]->status = ID_UNMAPPED;
}
done:
talloc_free(memctx);
return ret;
}
/************************************************************************
***********************************************************************/
static NTSTATUS idmap_ad_sids_to_unixids(struct idmap_domain *dom, struct id_map **ids)
{
NTSTATUS ret;
TALLOC_CTX *memctx;
struct idmap_ad_context *ctx;
ADS_STATUS rc;
ADS_STRUCT *ads;
const char *attrs[] = { "sAMAccountType",
"objectSid",
NULL, /* attr_uidnumber */
NULL, /* attr_gidnumber */
NULL };
LDAPMessage *res = NULL;
LDAPMessage *entry = NULL;
char *filter = NULL;
int idx = 0;
int bidx = 0;
int count;
int i;
char *sidstr;
/* Only do query if we are online */
if (idmap_is_offline()) {
return NT_STATUS_FILE_IS_OFFLINE;
}
/* Initilization my have been deferred because we were offline */
if ( ! dom->initialized) {
ret = idmap_ad_initialize(dom);
if ( ! NT_STATUS_IS_OK(ret)) {
return ret;
}
}
ctx = talloc_get_type(dom->private_data, struct idmap_ad_context);
if ( (memctx = talloc_new(ctx)) == NULL ) {
DEBUG(0, ("Out of memory!\n"));
return NT_STATUS_NO_MEMORY;
}
if ( (ads = ad_idmap_cached_connection()) == NULL ) {
DEBUG(1, ("ADS uninitialized\n"));
ret = NT_STATUS_UNSUCCESSFUL;
goto done;
}
attrs[2] = ad_schema->posix_uidnumber_attr;
attrs[3] = ad_schema->posix_gidnumber_attr;
again:
filter = talloc_asprintf(memctx, "(&(|"
"(sAMAccountType=%d)(sAMAccountType=%d)(sAMAccountType=%d)" /* user account types */
"(sAMAccountType=%d)(sAMAccountType=%d)" /* group account types */
")(|",
ATYPE_NORMAL_ACCOUNT, ATYPE_WORKSTATION_TRUST, ATYPE_INTERDOMAIN_TRUST,
ATYPE_SECURITY_GLOBAL_GROUP, ATYPE_SECURITY_LOCAL_GROUP);
CHECK_ALLOC_DONE(filter);
bidx = idx;
for (i = 0; (i < IDMAP_AD_MAX_IDS) && ids[idx]; i++, idx++) {
sidstr = sid_binstring(ids[idx]->sid);
filter = talloc_asprintf_append_buffer(filter, "(objectSid=%s)", sidstr);
free(sidstr);
CHECK_ALLOC_DONE(filter);
}
filter = talloc_asprintf_append_buffer(filter, "))");
CHECK_ALLOC_DONE(filter);
DEBUG(10, ("Filter: [%s]\n", filter));
rc = ads_search_retry(ads, &res, filter, attrs);
if (!ADS_ERR_OK(rc)) {
DEBUG(1, ("ERROR: ads search returned: %s\n", ads_errstr(rc)));
ret = NT_STATUS_UNSUCCESSFUL;
goto done;
}
if ( (count = ads_count_replies(ads, res)) == 0 ) {
DEBUG(10, ("No IDs found\n"));
}
entry = res;
for (i = 0; (i < count) && entry; i++) {
DOM_SID sid;
enum id_type type;
struct id_map *map;
uint32_t id;
uint32_t atype;
if (i == 0) { /* first entry */
entry = ads_first_entry(ads, entry);
} else { /* following ones */
entry = ads_next_entry(ads, entry);
}
if ( !entry ) {
DEBUG(2, ("ERROR: Unable to fetch ldap entries from results\n"));
break;
}
/* first check if the SID is present */
if (!ads_pull_sid(ads, entry, "objectSid", &sid)) {
DEBUG(2, ("Could not retrieve SID from entry\n"));
continue;
}
map = find_map_by_sid(&ids[bidx], &sid);
if (!map) {
DEBUG(2, ("WARNING: couldn't match result with requested SID\n"));
continue;
}
/* get type */
if (!ads_pull_uint32(ads, entry, "sAMAccountType", &atype)) {
DEBUG(1, ("could not get SAM account type\n"));
continue;
}
switch (atype & 0xF0000000) {
case ATYPE_SECURITY_GLOBAL_GROUP:
case ATYPE_SECURITY_LOCAL_GROUP:
type = ID_TYPE_GID;
break;
case ATYPE_NORMAL_ACCOUNT:
case ATYPE_WORKSTATION_TRUST:
case ATYPE_INTERDOMAIN_TRUST:
type = ID_TYPE_UID;
break;
default:
DEBUG(1, ("unrecognized SAM account type %08x\n", atype));
continue;
}
if (!ads_pull_uint32(ads, entry, (type==ID_TYPE_UID) ?
ad_schema->posix_uidnumber_attr :
ad_schema->posix_gidnumber_attr,
&id))
{
DEBUG(1, ("Could not get unix ID\n"));
continue;
}
if ((id == 0) ||
(ctx->filter_low_id && (id < ctx->filter_low_id)) ||
(ctx->filter_high_id && (id > ctx->filter_high_id))) {
DEBUG(5, ("Requested id (%u) out of range (%u - %u). Filtered!\n",
id, ctx->filter_low_id, ctx->filter_high_id));
continue;
}
/* mapped */
map->xid.type = type;
map->xid.id = id;
map->status = ID_MAPPED;
DEBUG(10, ("Mapped %s -> %lu (%d)\n", sid_string_dbg(map->sid),
(unsigned long)map->xid.id,
map->xid.type));
}
if (res) {
ads_msgfree(ads, res);
}
if (ids[idx]) { /* still some values to map */
goto again;
}
ret = NT_STATUS_OK;
/* mark all unknwoni/expired ones as unmapped */
for (i = 0; ids[i]; i++) {
if (ids[i]->status != ID_MAPPED)
ids[i]->status = ID_UNMAPPED;
}
done:
talloc_free(memctx);
return ret;
}
/************************************************************************
***********************************************************************/
static NTSTATUS idmap_ad_close(struct idmap_domain *dom)
{
ADS_STRUCT *ads = ad_idmap_ads;
if (ads != NULL) {
/* we own this ADS_STRUCT so make sure it goes away */
ads->is_mine = True;
ads_destroy( &ads );
ad_idmap_ads = NULL;
}
TALLOC_FREE( ad_schema );
return NT_STATUS_OK;
}
/*
* nss_info_{sfu,sfu20,rfc2307}
*/
/************************************************************************
Initialize the {sfu,sfu20,rfc2307} state
***********************************************************************/
static NTSTATUS nss_sfu_init( struct nss_domain_entry *e )
{
/* Sanity check if we have previously been called with a
different schema model */
if ( (ad_map_type != WB_POSIX_MAP_UNKNOWN) &&
(ad_map_type != WB_POSIX_MAP_SFU) )
{
DEBUG(0,("nss_sfu_init: Posix Map type has already been set. "
"Mixed schema models not supported!\n"));
return NT_STATUS_NOT_SUPPORTED;
}
ad_map_type = WB_POSIX_MAP_SFU;
return NT_STATUS_OK;
}
static NTSTATUS nss_sfu20_init( struct nss_domain_entry *e )
{
/* Sanity check if we have previously been called with a
different schema model */
if ( (ad_map_type != WB_POSIX_MAP_UNKNOWN) &&
(ad_map_type != WB_POSIX_MAP_SFU20) )
{
DEBUG(0,("nss_sfu20_init: Posix Map type has already been set. "
"Mixed schema models not supported!\n"));
return NT_STATUS_NOT_SUPPORTED;
}
ad_map_type = WB_POSIX_MAP_SFU20;
return NT_STATUS_OK;
}
static NTSTATUS nss_rfc2307_init( struct nss_domain_entry *e )
{
/* Sanity check if we have previously been called with a
different schema model */
if ( (ad_map_type != WB_POSIX_MAP_UNKNOWN) &&
(ad_map_type != WB_POSIX_MAP_RFC2307) )
{
DEBUG(0,("nss_rfc2307_init: Posix Map type has already been set. "
"Mixed schema models not supported!\n"));
return NT_STATUS_NOT_SUPPORTED;
}
ad_map_type = WB_POSIX_MAP_RFC2307;
return NT_STATUS_OK;
}
/************************************************************************
***********************************************************************/
static NTSTATUS nss_ad_get_info( struct nss_domain_entry *e,
const DOM_SID *sid,
TALLOC_CTX *ctx,
ADS_STRUCT *ads,
LDAPMessage *msg,
char **homedir,
char **shell,
char **gecos,
uint32 *gid )
{
ADS_STRUCT *ads_internal = NULL;
const char *attrs[] = {NULL, /* attr_homedir */
NULL, /* attr_shell */
NULL, /* attr_gecos */
NULL, /* attr_gidnumber */
NULL };
char *filter = NULL;
LDAPMessage *msg_internal = NULL;
ADS_STATUS ads_status = ADS_ERROR_NT(NT_STATUS_UNSUCCESSFUL);
NTSTATUS nt_status = NT_STATUS_UNSUCCESSFUL;
char *sidstr = NULL;
/* Only do query if we are online */
if (idmap_is_offline()) {
return NT_STATUS_FILE_IS_OFFLINE;
}
/* We are assuming that the internal ADS_STRUCT is for the
same forest as the incoming *ads pointer */
ads_internal = ad_idmap_cached_connection();
if ( !ads_internal || !ad_schema ) {
return NT_STATUS_OBJECT_NAME_NOT_FOUND;
}
if (!sid || !homedir || !shell || !gecos) {
return NT_STATUS_INVALID_PARAMETER;
}
/* See if we can use the ADS connection struct swe were given */
if (ads) {
*homedir = ads_pull_string( ads, ctx, msg, ad_schema->posix_homedir_attr );
*shell = ads_pull_string( ads, ctx, msg, ad_schema->posix_shell_attr );
*gecos = ads_pull_string( ads, ctx, msg, ad_schema->posix_gecos_attr );
if (gid) {
if ( !ads_pull_uint32(ads, msg, ad_schema->posix_gidnumber_attr, gid ) )
*gid = (uint32)-1;
}
nt_status = NT_STATUS_OK;
goto done;
}
/* Have to do our own query */
attrs[0] = ad_schema->posix_homedir_attr;
attrs[1] = ad_schema->posix_shell_attr;
attrs[2] = ad_schema->posix_gecos_attr;
attrs[3] = ad_schema->posix_gidnumber_attr;
sidstr = sid_binstring(sid);
filter = talloc_asprintf(ctx, "(objectSid=%s)", sidstr);
SAFE_FREE(sidstr);
if (!filter) {
nt_status = NT_STATUS_NO_MEMORY;
goto done;
}
ads_status = ads_search_retry(ads_internal, &msg_internal, filter, attrs);
if (!ADS_ERR_OK(ads_status)) {
nt_status = ads_ntstatus(ads_status);
goto done;
}
*homedir = ads_pull_string(ads_internal, ctx, msg_internal, ad_schema->posix_homedir_attr);
*shell = ads_pull_string(ads_internal, ctx, msg_internal, ad_schema->posix_shell_attr);
*gecos = ads_pull_string(ads_internal, ctx, msg_internal, ad_schema->posix_gecos_attr);
if (gid) {
if (!ads_pull_uint32(ads_internal, msg_internal, ad_schema->posix_gidnumber_attr, gid))
*gid = (uint32)-1;
}
nt_status = NT_STATUS_OK;
done:
if (msg_internal) {
ads_msgfree(ads_internal, msg_internal);
}
return nt_status;
}
/************************************************************************
***********************************************************************/
static NTSTATUS nss_ad_close( void )
{
/* nothing to do. All memory is free()'d by the idmap close_fn() */
return NT_STATUS_OK;
}
/************************************************************************
Function dispatch tables for the idmap and nss plugins
***********************************************************************/
static struct idmap_methods ad_methods = {
.init = idmap_ad_initialize,
.unixids_to_sids = idmap_ad_unixids_to_sids,
.sids_to_unixids = idmap_ad_sids_to_unixids,
.close_fn = idmap_ad_close
};
/* The SFU and RFC2307 NSS plugins share everything but the init
function which sets the intended schema model to use */
static struct nss_info_methods nss_rfc2307_methods = {
.init = nss_rfc2307_init,
.get_nss_info = nss_ad_get_info,
.close_fn = nss_ad_close
};
static struct nss_info_methods nss_sfu_methods = {
.init = nss_sfu_init,
.get_nss_info = nss_ad_get_info,
.close_fn = nss_ad_close
};
static struct nss_info_methods nss_sfu20_methods = {
.init = nss_sfu20_init,
.get_nss_info = nss_ad_get_info,
.close_fn = nss_ad_close
};
/************************************************************************
Initialize the plugins
***********************************************************************/
NTSTATUS idmap_ad_init(void)
{
static NTSTATUS status_idmap_ad = NT_STATUS_UNSUCCESSFUL;
static NTSTATUS status_nss_rfc2307 = NT_STATUS_UNSUCCESSFUL;
static NTSTATUS status_nss_sfu = NT_STATUS_UNSUCCESSFUL;
static NTSTATUS status_nss_sfu20 = NT_STATUS_UNSUCCESSFUL;
/* Always register the AD method first in order to get the
idmap_domain interface called */
if ( !NT_STATUS_IS_OK(status_idmap_ad) ) {
status_idmap_ad = smb_register_idmap(SMB_IDMAP_INTERFACE_VERSION,
"ad", &ad_methods);
if ( !NT_STATUS_IS_OK(status_idmap_ad) )
return status_idmap_ad;
}
if ( !NT_STATUS_IS_OK( status_nss_rfc2307 ) ) {
status_nss_rfc2307 = smb_register_idmap_nss(SMB_NSS_INFO_INTERFACE_VERSION,
"rfc2307", &nss_rfc2307_methods );
if ( !NT_STATUS_IS_OK(status_nss_rfc2307) )
return status_nss_rfc2307;
}
if ( !NT_STATUS_IS_OK( status_nss_sfu ) ) {
status_nss_sfu = smb_register_idmap_nss(SMB_NSS_INFO_INTERFACE_VERSION,
"sfu", &nss_sfu_methods );
if ( !NT_STATUS_IS_OK(status_nss_sfu) )
return status_nss_sfu;
}
if ( !NT_STATUS_IS_OK( status_nss_sfu20 ) ) {
status_nss_sfu20 = smb_register_idmap_nss(SMB_NSS_INFO_INTERFACE_VERSION,
"sfu20", &nss_sfu20_methods );
if ( !NT_STATUS_IS_OK(status_nss_sfu20) )
return status_nss_sfu20;
}
return NT_STATUS_OK;
}
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