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.*/
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
#include "includes.h"
#include "winbindd.h"
static const char *idmap_default_domain[] = { "default domain", NULL };
NTSTATUS idmap_init(void)
-{
+{
NTSTATUS ret;
struct idmap_domain *dom;
const char *compat_backend = NULL;
return NT_STATUS_OK;
}
- idmap_ctx = talloc_named_const(NULL, 0, "IDMAP MEMORY CONTEXT");
- if ( ! idmap_ctx) {
+ if ( (idmap_ctx = talloc_named_const(NULL, 0, "idmap_ctx")) == NULL ) {
return NT_STATUS_NO_MEMORY;
}
- /* init cache */
- idmap_cache = idmap_cache_init(idmap_ctx);
- if ( ! idmap_cache) {
+ if ( (idmap_cache = idmap_cache_init(idmap_ctx)) == NULL ) {
return NT_STATUS_UNSUCCESSFUL;
}
- /* register static backends */
static_init_idmap;
- if ((dom_list = lp_idmap_domains()) != NULL) {
- if (lp_idmap_backend()) {
- DEBUG(0, ("WARNING: idmap backend and idmap domains are mutually excusive!\n"));
- DEBUGADD(0, (" idmap backend option will be IGNORED!\n"));
- }
-
- } else if (lp_idmap_backend()) {
+ dom_list = lp_idmap_domains();
+
+ if ( dom_list && lp_idmap_backend() ) {
+ DEBUG(0, ("WARNING: idmap backend and idmap domains are "
+ "mutually excusive!\n"));
+ DEBUGADD(0,("idmap backend option will be IGNORED!\n"));
+ } else if ( lp_idmap_backend() ) {
const char **compat_list = lp_idmap_backend();
const char *p;
/* default or specific ? */
dom->default_domain = lp_parm_bool(-1, config_option, "default", False);
+
if (dom->default_domain ||
strequal(dom_list[i], idmap_default_domain[0])) {
- /* the default domain is a cacth all domain
- * so no specific domain sid is provided */
- dom->sid = NULL;
+
/* make sure this is set even when we match idmap_default_domain[0] */
dom->default_domain = True;
- if (lp_parm_const_string(-1, config_option, "domain sid", NULL)) {
- DEBUG(1, ("WARNING: Can't force a /domain sid/ on the DEFAULT domain, Ignoring!"));
- }
-
- /* only one default domain is permitted */
if (default_already_defined) {
DEBUG(1, ("ERROR: Multiple domains defined as default!\n"));
ret = NT_STATUS_INVALID_PARAMETER;
default_already_defined = True;
- } else {
- const char *sid;
+ }
- sid = lp_parm_const_string(-1, config_option, "domain sid", NULL);
- if (sid) {
- dom->sid = string_sid_talloc(dom, sid);
- } else {
- struct winbindd_domain *wdom = find_domain_from_name(dom->name);
- if (wdom) {
- dom->sid = sid_dup_talloc(dom, &wdom->sid);
- IDMAP_CHECK_ALLOC(dom->sid);
- }
- }
-
- if ( ! dom->sid) {
- DEBUG(1, ("ERROR: Could not find DOMAIN SID for domain %s\n", dom->name));
- DEBUGADD(1, (" Consider to set explicitly the /domain sid/ option\n"));
- ret = NT_STATUS_NO_SUCH_DOMAIN;
- goto done;
- }
- }
-
- /* is this a readonly domain ? */
dom->readonly = lp_parm_bool(-1, config_option, "readonly", False);
/* find associated backend (default: tdb) */
if (compat) {
parm_backend = talloc_strdup(idmap_ctx, compat_backend);
} else {
- parm_backend =
- talloc_strdup(idmap_ctx,
- lp_parm_const_string(-1, config_option, "backend", "tdb"));
+ parm_backend = talloc_strdup(idmap_ctx,
+ lp_parm_const_string(-1, config_option, "backend", "tdb"));
}
IDMAP_CHECK_ALLOC(parm_backend);
def_dom_num = i;
}
- DEBUG(10, ("Domain %s - Sid %s - Backend %s - %sdefault - %sreadonly\n",
- dom->name, sid_string_static(dom->sid), parm_backend,
+ DEBUG(10, ("Domain %s - Backend %s - %sdefault - %sreadonly\n",
+ dom->name, parm_backend,
dom->default_domain?"":"not ", dom->readonly?"":"not "));
talloc_free(config_option);
if ((lp_server_role() == ROLE_DOMAIN_MEMBER) &&
( ! pri_dom_is_in_list) &&
lp_winbind_trusted_domains_only()) {
- DOM_SID our_sid;
-
- if (!secrets_fetch_domain_sid(lp_workgroup(), &our_sid)) {
- DEBUG(0, ("Could not fetch our SID - did we join?\n"));
- ret = NT_STATUS_UNSUCCESSFUL;
- goto done;
- }
dom = talloc_zero(idmap_ctx, struct idmap_domain);
IDMAP_CHECK_ALLOC(dom);
dom->default_domain = False;
dom->readonly = True;
- dom->sid = sid_dup_talloc(dom, &our_sid);
- IDMAP_CHECK_ALLOC(dom->sid);
-
/* get the backend methods for passdb */
dom->methods = get_methods(backends, "nss");
}
idmap_domains[num_domains] = dom;
- DEBUG(10, ("Domain %s - Sid %s - Backend nss - not default - readonly\n",
- dom->name, sid_string_static(dom->sid)));
+ DEBUG(10, ("Domain %s - Backend nss - not default - readonly\n", dom->name ));
num_domains++;
}
dom->default_domain = False;
dom->readonly = True;
- dom->sid = sid_dup_talloc(dom, get_global_sam_sid());
- IDMAP_CHECK_ALLOC(dom->sid);
-
/* get the backend methods for passdb */
dom->methods = get_methods(backends, "passdb");
/* needed to handle special BUILTIN and wellknown SIDs cases */
pdb_dom_num = num_domains;
- DEBUG(10, ("Domain %s - Sid %s - Backend passdb - not default - readonly\n",
- dom->name, sid_string_static(dom->sid)));
- DEBUGADD(10, (" (special: includes handling BUILTIN and Wellknown SIDs as well)\n"));
+ DEBUG(10, ("Domain %s - Backend passdb - not default - readonly\n", dom->name));
num_domains++;
/**** finished adding idmap_passdb backend ****/
return alloc_methods->set_id_hwm(id);
}
+/******************************************************************************
+ Lookup an idmap_domain give a full user or group SID
+ ******************************************************************************/
+
+static struct idmap_domain* find_idmap_domain_from_sid( DOM_SID *account_sid )
+{
+ DOM_SID domain_sid;
+ uint32 rid;
+ struct winbindd_domain *domain = NULL;
+ int i;
+
+ /* 1. Handle BUILTIN or Special SIDs and prevent them from
+ falling into the default domain space (if we have a
+ configured passdb backend. */
+
+ if ( (pdb_dom_num != -1) &&
+ (sid_check_is_in_builtin(account_sid) ||
+ sid_check_is_in_wellknown_domain(account_sid)) )
+ {
+ return idmap_domains[pdb_dom_num];
+ }
+
+ /* 2. Lookup the winbindd_domain from the account_sid */
+
+ sid_copy( &domain_sid, account_sid );
+ sid_split_rid( &domain_sid, &rid );
+ domain = find_domain_from_sid_noinit( &domain_sid );
+
+ for (i = 0; domain && i < num_domains; i++) {
+ if ( strequal( idmap_domains[i]->name, domain->name ) ) {
+ return idmap_domains[i];
+ }
+ }
+
+ /* 3. Fall back to the default domain */
+
+ if ( def_dom_num != -1 ) {
+ return idmap_domains[def_dom_num];
+ }
+
+ return NULL;
+}
+
+/******************************************************************************
+ Lookup an index given an idmap_domain pointer
+ ******************************************************************************/
+
+static uint32 find_idmap_domain_index( struct idmap_domain *id_domain)
+{
+ int i;
+
+ for (i = 0; i < num_domains; i++) {
+ if ( idmap_domains[i] == id_domain )
+ return i;
+ }
+
+ return -1;
+}
+
+
/*********************************************************
Check if creating a mapping is permitted for the domain
*********************************************************/
static NTSTATUS idmap_can_map(const struct id_map *map, struct idmap_domain **ret_dom)
{
struct idmap_domain *dom;
- int i;
/* Check we do not create mappings for our own local domain, or BUILTIN or special SIDs */
if ((sid_compare_domain(map->sid, get_global_sam_sid()) == 0) ||
}
}
- for (i = 0, dom = NULL; i < num_domains; i++) {
- if ((idmap_domains[i]->default_domain) || /* ok set it into the default domain */
- (sid_compare_domain(idmap_domains[i]->sid, map->sid) == 0)) { /* ok found a specific domain */
- dom = idmap_domains[i];
- break;
- }
- }
-
- if (! dom) {
+ if ( (dom = find_idmap_domain_from_sid( map->sid )) == NULL ) {
/* huh, couldn't find a suitable domain, let's just leave it unmapped */
- DEBUG(10, ("Could not find imdap backend for SID %s", sid_string_static(map->sid)));
+ DEBUG(10, ("Could not find idmap backend for SID %s", sid_string_static(map->sid)));
return NT_STATUS_NO_SUCH_DOMAIN;
}
if (dom->readonly) {
/* ouch the domain is read only, let's just leave it unmapped */
- DEBUG(10, ("imdap backend for SID %s is READONLY!\n", sid_string_static(map->sid)));
+ DEBUG(10, ("idmap backend for SID %s is READONLY!\n", sid_string_static(map->sid)));
return NT_STATUS_UNSUCCESSFUL;
}
return ret;
}
- DEBUG(10, ("set_mapping for domain %s(%s)\n", dom->name, sid_string_static(dom->sid)));
+ DEBUG(10,("set_mapping for domain %s\n", dom->name ));
return dom->methods->set_mapping(dom, map);
}
dom = idmap_domains[n];
- DEBUG(10, ("Query sids from domain %s(%s)\n", dom->name, sid_string_static(dom->sid)));
+ DEBUG(10, ("Query sids from domain %s\n", dom->name));
ret = dom->methods->unixids_to_sids(dom, _ids);
IDMAP_CHECK_RET(ret);
NTSTATUS ret;
int i, *counters;
- if (!ids || !*ids) {
- DEBUG(1, ("Invalid list of maps\n"));
- return NT_STATUS_INVALID_PARAMETER;
- }
-
- ctx = talloc_named_const(NULL, 0, "idmap_backends_sids_to_unixids ctx");
- if ( ! ctx) {
+ if ( (ctx = talloc_named_const(NULL, 0, "be_sids_to_ids")) == NULL ) {
DEBUG(1, ("failed to allocate talloc context, OOM?\n"));
return NT_STATUS_NO_MEMORY;
}
DEBUG(10, ("Query backends to map sids->ids\n"));
/* split list per domain */
+
dom_ids = talloc_zero_array(ctx, struct id_map **, num_domains);
IDMAP_CHECK_ALLOC(dom_ids);
counters = talloc_zero_array(ctx, int, num_domains);
+ /* partition the requests by domain */
+
for (i = 0; ids[i]; i++) {
- int dom_num;
+ uint32 idx;
/* make sure they are unknown to start off */
ids[i]->status = ID_UNKNOWN;
- for (dom_num = 0, dom = NULL; dom_num < num_domains; dom_num++) {
- if (idmap_domains[dom_num]->default_domain) {
- /* we got to the default domain */
- dom = idmap_domains[dom_num];
- break;
- }
- if (sid_compare_domain(idmap_domains[dom_num]->sid, ids[i]->sid) == 0) {
- dom = idmap_domains[dom_num];
- break;
- }
- }
- if (( ! dom) || dom->default_domain) {
- /* handle BUILTIN or Special SIDs
- * and prevent them from falling into the default domain space */
- if ((sid_check_is_in_builtin(ids[i]->sid) ||
- sid_check_is_in_wellknown_domain(ids[i]->sid))) {
-
- if (pdb_dom_num != -1) {
- dom = idmap_domains[pdb_dom_num];
- dom_num = pdb_dom_num;
- } else {
- dom = NULL;
- }
- }
- }
- if ( ! dom) {
- /* no dom move on */
+ if ( (dom = find_idmap_domain_from_sid( ids[i]->sid )) == NULL ) {
+ /* no vailable idmap_domain. Move on */
continue;
}
- DEBUG(10, ("SID %s is being handled by %s(%d)\n",
- sid_string_static(ids[i]->sid),
- dom?dom->name:"none",
- dom_num));
+ DEBUG(10,("SID %s is being handled by %s\n",
+ sid_string_static(ids[i]->sid),
+ dom ? dom->name : "none" ));
- dom_ids[dom_num] = talloc_realloc(ctx, dom_ids[dom_num], struct id_map *, counters[dom_num] + 2);
- IDMAP_CHECK_ALLOC(dom_ids[dom_num]);
+ idx = find_idmap_domain_index( dom );
+ SMB_ASSERT( idx != -1 );
+
+ dom_ids[idx] = talloc_realloc(ctx, dom_ids[idx],
+ struct id_map *, counters[idx] + 2);
+ IDMAP_CHECK_ALLOC(dom_ids[idx]);
- dom_ids[dom_num][counters[dom_num]] = ids[i];
- counters[dom_num]++;
- dom_ids[dom_num][counters[dom_num]] = NULL;
+ dom_ids[idx][counters[idx]] = ids[i];
+ counters[idx]++;
+ dom_ids[idx][counters[idx]] = NULL;
}
- /* ok all the ids have been dispatched in the right queues
- * let's cycle through the filled ones */
+ /* All the ids have been dispatched in the right queues.
+ Let's cycle through the filled ones */
for (i = 0; i < num_domains; i++) {
- if (dom_ids[i]) { /* ok, we have ids in this one */
+ if (dom_ids[i]) {
dom = idmap_domains[i];
- DEBUG(10, ("Query ids from domain %s(%s)\n", dom->name, sid_string_static(dom->sid)));
+ DEBUG(10, ("Query ids from domain %s\n", dom->name));
ret = dom->methods->sids_to_unixids(dom, dom_ids[i]);
IDMAP_CHECK_RET(ret);
}
git.samba.org / samba.git / commitdiff