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-rw-r--r--source3/smbd/uid.c271
1 files changed, 42 insertions, 229 deletions
diff --git a/source3/smbd/uid.c b/source3/smbd/uid.c
index 0b67b53c71..353ae8f50d 100644
--- a/source3/smbd/uid.c
+++ b/source3/smbd/uid.c
@@ -722,7 +722,6 @@ static void store_gid_sid_cache(const DOM_SID *psid, const enum SID_NAME_USE sid
DOM_SID *uid_to_sid(DOM_SID *psid, uid_t uid)
{
-#ifdef WITH_IDMAP
unid_t id;
DEBUG(10,("uid_to_sid: uid = [%d]\n", uid));
@@ -738,47 +737,13 @@ DOM_SID *uid_to_sid(DOM_SID *psid, uid_t uid)
We may add a switch in future to allow smooth migrations to
idmap-only db ---Simo */
- become_root();
- psid = local_uid_to_sid(psid, uid);
- unbecome_root();
+ sid_copy(psid, get_global_sam_sid());
+ sid_append_rid(psid, fallback_pdb_uid_to_user_rid(uid));
DEBUG(10,("uid_to_sid: algorithmic %u -> %s\n", (unsigned int)uid, sid_string_static(psid)));
- if (psid)
- idmap_set_mapping(psid, id, ID_USERID);
return psid;
-#else
- uid_t low, high;
- enum SID_NAME_USE sidtype;
- fstring sid;
-
- if (fetch_sid_from_uid_cache(psid, &sidtype, uid))
- return psid;
-
- if (lp_idmap_uid(&low, &high) && uid >= low && uid <= high) {
- if (winbind_uid_to_sid(psid, uid)) {
-
- DEBUG(10,("uid_to_sid: winbindd %u -> %s\n",
- (unsigned int)uid, sid_to_string(sid, psid)));
-
- if (psid)
- store_uid_sid_cache(psid, SID_NAME_USER, uid);
- return psid;
- }
- }
-
- /* Make sure we report failure, (when psid == NULL) */
- become_root();
- psid = local_uid_to_sid(psid, uid);
- unbecome_root();
-
- DEBUG(10,("uid_to_sid: local %u -> %s\n", (unsigned int)uid, sid_to_string(sid, psid)));
- if (psid)
- store_uid_sid_cache(psid, SID_NAME_USER, uid);
-
- return psid;
-#endif
}
/*****************************************************************
@@ -789,7 +754,7 @@ DOM_SID *uid_to_sid(DOM_SID *psid, uid_t uid)
DOM_SID *gid_to_sid(DOM_SID *psid, gid_t gid)
{
-#ifdef WITH_IDMAP
+ GROUP_MAP map;
unid_t id;
DEBUG(10,("gid_to_sid: gid = [%d]\n", gid));
@@ -805,46 +770,16 @@ DOM_SID *gid_to_sid(DOM_SID *psid, gid_t gid)
We may add a switch in future to allow smooth migrations to
idmap-only db ---Simo */
- become_root();
- psid = local_gid_to_sid(psid, gid);
- unbecome_root();
-
- DEBUG(10,("gid_to_sid: algorithmic %u -> %s\n", (unsigned int)gid, sid_string_static(psid)));
- if (psid)
- idmap_set_mapping(psid, id, ID_GROUPID);
-
- return psid;
-
-#else
- gid_t low, high;
- enum SID_NAME_USE sidtype;
- fstring sid;
-
- if (fetch_sid_from_gid_cache(psid, &sidtype, gid))
- return psid;
-
- if (lp_idmap_gid(&low, &high) && gid >= low && gid <= high) {
- if (winbind_gid_to_sid(psid, gid)) {
-
- DEBUG(10,("gid_to_sid: winbindd %u -> %s\n",
- (unsigned int)gid, sid_to_string(sid, psid)));
-
- if (psid)
- store_gid_sid_cache(psid, SID_NAME_DOM_GRP, gid);
- return psid;
- }
+ if (pdb_getgrgid(&map, gid, MAPPING_WITHOUT_PRIV)) {
+ sid_copy(psid, &map.sid);
+ } else {
+ sid_copy(psid, get_global_sam_sid());
+ sid_append_rid(psid, pdb_gid_to_group_rid(gid));
}
- /* Make sure we report failure, (when psid == NULL) */
- become_root();
- psid = local_gid_to_sid(psid, gid);
- unbecome_root();
- DEBUG(10,("gid_to_sid: local %u -> %s\n", (unsigned int)gid, sid_to_string(sid, psid)));
- if (psid)
- store_gid_sid_cache(psid, SID_NAME_DOM_GRP, gid);
+ DEBUG(10,("gid_to_sid: algorithmic %u -> %s\n", (unsigned int)gid, sid_string_static(psid)));
return psid;
-#endif
}
/*****************************************************************
@@ -856,7 +791,6 @@ DOM_SID *gid_to_sid(DOM_SID *psid, gid_t gid)
BOOL sid_to_uid(const DOM_SID *psid, uid_t *puid, enum SID_NAME_USE *sidtype)
{
-#ifdef WITH_IDMAP
unid_t id;
int type;
@@ -873,94 +807,22 @@ BOOL sid_to_uid(const DOM_SID *psid, uid_t *puid, enum SID_NAME_USE *sidtype)
if (sid_compare_domain(get_global_sam_sid(), psid) == 0) {
BOOL result;
+ uint32 rid;
DEBUG(10,("sid_to_uid: sid is local [%s]\n", sid_string_static(get_global_sam_sid())));
- become_root();
- result = local_sid_to_uid(puid, psid, sidtype);
- unbecome_root();
- if (result) {
- id.uid = *puid;
- DEBUG(10,("sid_to_uid: uid = [%d]\n", id.uid));
- idmap_set_mapping(psid, id, ID_USERID);
- return True;
- }
- }
- return False;
-#else
- fstring sid_str;
- if (fetch_uid_from_cache(puid, psid, *sidtype))
+ if (!sid_peek_rid(psid, &rid)) {
+ DEBUG(0, ("sid_to_uid: Error extracting RID from SID\n!"));
+ return False;
+ }
+ if (!pdb_rid_is_user(rid)) {
+ DEBUG(3, ("sid_to_uid: RID %u is *NOT* a user\n", (unsigned)rid));
+ return False;
+ }
+ *puid = fallback_pdb_user_rid_to_uid(rid);
return True;
-
- /* if we know its local then don't try winbindd */
- if (sid_compare_domain(get_global_sam_sid(), psid) == 0) {
- BOOL result;
- become_root();
- result = local_sid_to_uid(puid, psid, sidtype);
- unbecome_root();
- if (result)
- store_uid_sid_cache(psid, *sidtype, *puid);
- return result;
- }
-
-/* (tridge) I commented out the slab of code below in order to support foreign SIDs
- Do we really need to validate the type of SID we have in this case?
-*/
-#if 0
- fstring dom_name, name;
- enum SID_NAME_USE name_type;
-
- *sidtype = SID_NAME_UNKNOWN;
- /*
- * First we must look up the name and decide if this is a user sid.
- */
-
- if ( (!winbind_lookup_sid(psid, dom_name, name, &name_type)) || (name_type != SID_NAME_USER) ) {
- BOOL result;
- DEBUG(10,("sid_to_uid: winbind lookup for sid %s failed - trying local.\n",
- sid_to_string(sid_str, psid) ));
-
- become_root();
- result = local_sid_to_uid(puid, psid, sidtype);
- unbecome_root();
- return result;
- }
-
- /*
- * Ensure this is a user sid.
- */
-
- if (name_type != SID_NAME_USER) {
- DEBUG(10,("sid_to_uid: winbind lookup succeeded but SID is not a uid (%u)\n",
- (unsigned int)name_type ));
- return False;
- }
-#endif
- *sidtype = SID_NAME_USER;
-
- /*
- * Get the uid for this SID.
- */
-
- if (!winbind_sid_to_uid(puid, psid)) {
- BOOL result;
- DEBUG(10,("sid_to_uid: winbind lookup for sid %s failed.\n",
- sid_to_string(sid_str, psid) ));
- become_root();
- result = local_sid_to_uid(puid, psid, sidtype);
- unbecome_root();
- if (result)
- store_uid_sid_cache(psid, *sidtype, *puid);
- return result;
}
-
- DEBUG(10,("sid_to_uid: winbindd %s -> %u\n",
- sid_to_string(sid_str, psid),
- (unsigned int)*puid ));
-
- store_uid_sid_cache(psid, *sidtype, *puid);
- return True;
-#endif
+ return False;
}
/*****************************************************************
@@ -972,7 +834,6 @@ BOOL sid_to_uid(const DOM_SID *psid, uid_t *puid, enum SID_NAME_USE *sidtype)
BOOL sid_to_gid(const DOM_SID *psid, gid_t *pgid, enum SID_NAME_USE *sidtype)
{
-#ifdef WITH_IDMAP
unid_t id;
int type;
@@ -988,81 +849,33 @@ BOOL sid_to_gid(const DOM_SID *psid, gid_t *pgid, enum SID_NAME_USE *sidtype)
}
if (sid_compare_domain(get_global_sam_sid(), psid) == 0) {
+ GROUP_MAP map;
BOOL result;
- become_root();
- result = local_sid_to_gid(pgid, psid, sidtype);
- unbecome_root();
- if (result) {
- id.gid = *pgid;
- DEBUG(10,("sid_to_gid: gid = [%d]\n", id.gid));
- idmap_set_mapping(psid, id, ID_GROUPID);
+
+ if (pdb_getgrsid(&map, *psid, MAPPING_WITHOUT_PRIV)) {
+ /* the SID is in the mapping table but not mapped */
+ if (map.gid==(gid_t)-1)
+ return False;
+
+ *pgid = map.gid;
+ *sidtype = map.sid_name_use;
return True;
+ } else {
+ uint32 rid;
+
+ if (!sid_peek_rid(psid, &rid)) {
+ DEBUG(0, ("sid_to_gid: Error extracting RID from SID\n!"));
+ return False;
+ }
+ if (pdb_rid_is_user(rid)) {
+ DEBUG(3, ("sid_to_gid: RID %u is *NOT* a group\n", (unsigned)rid));
+ return False;
+ }
+ *pgid = pdb_group_rid_to_gid(rid);
+ *sidtype = SID_NAME_ALIAS;
}
}
return False;
-
-#else
- fstring dom_name, name, sid_str;
- enum SID_NAME_USE name_type;
-
- *sidtype = SID_NAME_UNKNOWN;
-
- if (fetch_gid_from_cache(pgid, psid, *sidtype))
- return True;
-
- /*
- * First we must look up the name and decide if this is a group sid.
- */
-
- /* if we know its local then don't try winbindd */
- if (sid_compare_domain(get_global_sam_sid(), psid) == 0) {
- BOOL result;
- become_root();
- result = local_sid_to_gid(pgid, psid, sidtype);
- unbecome_root();
- if (result)
- store_gid_sid_cache(psid, *sidtype, *pgid);
- return result;
- }
-
- if (!winbind_lookup_sid(psid, dom_name, name, &name_type)) {
- DEBUG(10,("sid_to_gid: winbind lookup for sid %s failed.\n",
- sid_to_string(sid_str, psid) ));
- /* this was probably a foreign sid - assume its a group rid
- and continue */
- name_type = SID_NAME_DOM_GRP;
- }
-
- /*
- * Ensure this is a group sid.
- */
-
- if ((name_type != SID_NAME_DOM_GRP) && (name_type != SID_NAME_ALIAS) && (name_type != SID_NAME_WKN_GRP)) {
- DEBUG(10,("sid_to_gid: winbind lookup succeeded but SID is not a known group (%u)\n",
- (unsigned int)name_type ));
-
- return False;
- }
-
- *sidtype = name_type;
-
- /*
- * Get the gid for this SID.
- */
-
- if (!winbind_sid_to_gid(pgid, psid)) {
- DEBUG(10,("sid_to_gid: winbind lookup for sid %s failed.\n",
- sid_to_string(sid_str, psid) ));
- return False;
- }
-
- DEBUG(10,("sid_to_gid: winbindd %s -> %u\n",
- sid_to_string(sid_str, psid),
- (unsigned int)*pgid ));
-
- store_gid_sid_cache(psid, *sidtype, *pgid);
- return True;
-#endif
}
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