pdb-interface: Do not use unid_t here
[mat/samba.git] / source3 / passdb / lookup_sid.c
index fa855f3467f0b05ed0758b5def8220ba6c75c418..cfc78ad000eda6ab95052845633f5fd8841ed533 100644 (file)
@@ -4,27 +4,29 @@
    Copyright (C) Andrew Tridgell         1992-1998
    Copyright (C) Gerald (Jerry) Carter   2003
    Copyright (C) Volker Lendecke        2005
-   
+
    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"
+#include "passdb.h"
 #include "../librpc/gen_ndr/ndr_security.h"
 #include "secrets.h"
 #include "memcache.h"
 #include "idmap_cache.h"
-#include "../libcli/security/dom_sid.h"
+#include "../libcli/security/security.h"
+#include "lib/winbind_util.h"
 
 /*****************************************************************
  Dissect a user-provided name into domain, name, sid and type.
@@ -259,9 +261,8 @@ bool lookup_name(TALLOC_CTX *mem_ctx,
 
        if (IS_DC && winbind_lookup_name("", name, &sid, &type)) {
                struct dom_sid dom_sid;
-               uint32 tmp_rid;
                enum lsa_SidType domain_type;
-               
+
                if (type == SID_NAME_DOMAIN) {
                        /* Swap name and type */
                        tmp = name; name = domain; domain = tmp;
@@ -273,7 +274,7 @@ bool lookup_name(TALLOC_CTX *mem_ctx,
                 * domain it figured out itself. Maybe fix that later... */
 
                sid_copy(&dom_sid, &sid);
-               sid_split_rid(&dom_sid, &tmp_rid);
+               sid_split_rid(&dom_sid, NULL);
 
                if (!winbind_lookup_sid(tmp_ctx, &dom_sid, &domain, NULL,
                                        &domain_type) ||
@@ -403,7 +404,7 @@ bool lookup_name_smbconf(TALLOC_CTX *mem_ctx,
                                ret_sid, ret_type)) {
                return true;
        }
-       
+
        /* Finally try with "Unix Users" or "Unix Group" */
        qualified_name = talloc_asprintf(mem_ctx, "%s\\%s",
                                flags & LOOKUP_NAME_GROUP ?
@@ -481,8 +482,8 @@ static bool lookup_rids(TALLOC_CTX *mem_ctx, const struct dom_sid *domain_sid,
                   sid_string_dbg(domain_sid)));
 
        if (num_rids) {
-               *names = TALLOC_ZERO_ARRAY(mem_ctx, const char *, num_rids);
-               *types = TALLOC_ARRAY(mem_ctx, enum lsa_SidType, num_rids);
+               *names = talloc_zero_array(mem_ctx, const char *, num_rids);
+               *types = talloc_array(mem_ctx, enum lsa_SidType, num_rids);
 
                if ((*names == NULL) || (*types == NULL)) {
                        return false;
@@ -728,9 +729,7 @@ static bool check_dom_sid_to_level(const struct dom_sid *sid, int level)
  * This attempts to be as efficient as possible: It collects all SIDs
  * belonging to a domain and hands them in bulk to the appropriate lookup
  * function. In particular pdb_lookup_rids with ldapsam_trusted benefits
- * *hugely* from this. Winbind is going to be extended with a lookup_rids
- * interface as well, so on a DC we can do a bulk lsa_lookuprids to the
- * appropriate DC.
+ * *hugely* from this.
  */
 
 NTSTATUS lookup_sids(TALLOC_CTX *mem_ctx, int num_sids,
@@ -751,7 +750,7 @@ NTSTATUS lookup_sids(TALLOC_CTX *mem_ctx, int num_sids,
        }
 
        if (num_sids) {
-               name_infos = TALLOC_ARRAY(mem_ctx, struct lsa_name_info, num_sids);
+               name_infos = talloc_array(mem_ctx, struct lsa_name_info, num_sids);
                if (name_infos == NULL) {
                        result = NT_STATUS_NO_MEMORY;
                        goto fail;
@@ -760,7 +759,7 @@ NTSTATUS lookup_sids(TALLOC_CTX *mem_ctx, int num_sids,
                name_infos = NULL;
        }
 
-       dom_infos = TALLOC_ZERO_ARRAY(mem_ctx, struct lsa_dom_info,
+       dom_infos = talloc_zero_array(mem_ctx, struct lsa_dom_info,
                                      LSA_REF_DOMAIN_LIST_MULTIPLIER);
        if (dom_infos == NULL) {
                result = NT_STATUS_NO_MEMORY;
@@ -801,7 +800,7 @@ NTSTATUS lookup_sids(TALLOC_CTX *mem_ctx, int num_sids,
                                result = NT_STATUS_NO_MEMORY;
                                goto fail;
                        }
-                               
+
                        name_infos[i].rid = 0;
                        name_infos[i].type = SID_NAME_DOMAIN;
                        name_infos[i].name = NULL;
@@ -897,7 +896,7 @@ NTSTATUS lookup_sids(TALLOC_CTX *mem_ctx, int num_sids,
                }
 
                if (dom->num_idxs) {
-                       if (!(rids = TALLOC_ARRAY(tmp_ctx, uint32, dom->num_idxs))) {
+                       if (!(rids = talloc_array(tmp_ctx, uint32, dom->num_idxs))) {
                                result = NT_STATUS_NO_MEMORY;
                                goto fail;
                        }
@@ -920,7 +919,7 @@ NTSTATUS lookup_sids(TALLOC_CTX *mem_ctx, int num_sids,
                        result = NT_STATUS_NO_MEMORY;
                        goto fail;
                }
-                       
+
                for (j=0; j<dom->num_idxs; j++) {
                        int idx = dom->idxs[j];
                        name_infos[idx].type = types[j];
@@ -1172,7 +1171,7 @@ static void legacy_gid_to_sid(struct dom_sid *psid, gid_t gid)
                /* This is a mapped group */
                goto done;
        }
-       
+
        /* This is an unmapped group */
 
        gid_to_unix_groups_sid(gid, psid);
@@ -1194,11 +1193,12 @@ static bool legacy_sid_to_uid(const struct dom_sid *psid, uid_t *puid)
        enum lsa_SidType type;
 
        if (sid_check_is_in_our_domain(psid)) {
-               union unid_t id;
+               uid_t uid;
+               gid_t gid;
                bool ret;
 
                become_root();
-               ret = pdb_sid_to_id(psid, &id, &type);
+               ret = pdb_sid_to_id(psid, &uid, &gid, &type);
                unbecome_root();
 
                if (ret) {
@@ -1208,7 +1208,7 @@ static bool legacy_sid_to_uid(const struct dom_sid *psid, uid_t *puid)
                                          sid_type_lookup(type)));
                                return false;
                        }
-                       *puid = id.uid;
+                       *puid = uid;
                        goto done;
                }
 
@@ -1234,20 +1234,24 @@ done:
 
 static bool legacy_sid_to_gid(const struct dom_sid *psid, gid_t *pgid)
 {
-       GROUP_MAP map;
-       union unid_t id;
+       GROUP_MAP *map;
        enum lsa_SidType type;
 
+       map = talloc_zero(NULL, GROUP_MAP);
+       if (!map) {
+               return false;
+       }
+
        if ((sid_check_is_in_builtin(psid) ||
             sid_check_is_in_wellknown_domain(psid))) {
                bool ret;
 
                become_root();
-               ret = pdb_getgrsid(&map, *psid);
+               ret = pdb_getgrsid(map, *psid);
                unbecome_root();
 
                if (ret) {
-                       *pgid = map.gid;
+                       *pgid = map->gid;
                        goto done;
                }
                DEBUG(10,("LEGACY: mapping failed for sid %s\n",
@@ -1256,10 +1260,12 @@ static bool legacy_sid_to_gid(const struct dom_sid *psid, gid_t *pgid)
        }
 
        if (sid_check_is_in_our_domain(psid)) {
+               uid_t uid;
+               gid_t gid;
                bool ret;
 
                become_root();
-               ret = pdb_sid_to_id(psid, &id, &type);
+               ret = pdb_sid_to_id(psid, &uid, &gid, &type);
                unbecome_root();
 
                if (ret) {
@@ -1270,23 +1276,24 @@ static bool legacy_sid_to_gid(const struct dom_sid *psid, gid_t *pgid)
                                          sid_type_lookup(type)));
                                return false;
                        }
-                       *pgid = id.gid;
+                       *pgid = gid;
                        goto done;
                }
-       
+
                /* This was ours, but it was not mapped.  Fail */
        }
 
        DEBUG(10,("LEGACY: mapping failed for sid %s\n",
                  sid_string_dbg(psid)));
        return false;
-       
+
  done:
        DEBUG(10,("LEGACY: sid %s -> gid %u\n", sid_string_dbg(psid),
                  (unsigned int)*pgid ));
 
        store_gid_sid_cache(psid, *pgid);
 
+       TALLOC_FREE(map);
        return true;
 }
 
@@ -1396,6 +1403,109 @@ void gid_to_sid(struct dom_sid *psid, gid_t gid)
        return;
 }
 
+bool sids_to_unix_ids(const struct dom_sid *sids, uint32_t num_sids,
+                     struct wbcUnixId *ids)
+{
+       struct wbcDomainSid *wbc_sids = NULL;
+       struct wbcUnixId *wbc_ids = NULL;
+       uint32_t i, num_not_cached;
+       wbcErr err;
+       bool ret = false;
+
+       wbc_sids = talloc_array(talloc_tos(), struct wbcDomainSid, num_sids);
+       if (wbc_sids == NULL) {
+               return false;
+       }
+
+       num_not_cached = 0;
+
+       for (i=0; i<num_sids; i++) {
+               bool expired;
+               uint32_t rid;
+
+               if (fetch_uid_from_cache(&ids[i].id.uid, &sids[i])) {
+                       ids[i].type = WBC_ID_TYPE_UID;
+                       continue;
+               }
+               if (fetch_gid_from_cache(&ids[i].id.gid, &sids[i])) {
+                       ids[i].type = WBC_ID_TYPE_GID;
+                       continue;
+               }
+               if (sid_peek_check_rid(&global_sid_Unix_Users,
+                                      &sids[i], &rid)) {
+                       ids[i].type = WBC_ID_TYPE_UID;
+                       ids[i].id.uid = rid;
+                       continue;
+               }
+               if (sid_peek_check_rid(&global_sid_Unix_Groups,
+                                      &sids[i], &rid)) {
+                       ids[i].type = WBC_ID_TYPE_GID;
+                       ids[i].id.gid = rid;
+                       continue;
+               }
+               if (idmap_cache_find_sid2uid(&sids[i], &ids[i].id.uid,
+                                            &expired)
+                   && !expired) {
+                       ids[i].type = WBC_ID_TYPE_UID;
+                       continue;
+               }
+               if (idmap_cache_find_sid2gid(&sids[i], &ids[i].id.gid,
+                                            &expired)
+                   && !expired) {
+                       ids[i].type = WBC_ID_TYPE_GID;
+                       continue;
+               }
+               ids[i].type = WBC_ID_TYPE_NOT_SPECIFIED;
+               memcpy(&wbc_sids[num_not_cached], &sids[i],
+                      ndr_size_dom_sid(&sids[i], 0));
+               num_not_cached += 1;
+       }
+       if (num_not_cached == 0) {
+               goto done;
+       }
+       wbc_ids = talloc_array(talloc_tos(), struct wbcUnixId, num_not_cached);
+       if (wbc_ids == NULL) {
+               goto fail;
+       }
+       for (i=0; i<num_not_cached; i++) {
+               wbc_ids[i].type = WBC_ID_TYPE_NOT_SPECIFIED;
+       }
+       err = wbcSidsToUnixIds(wbc_sids, num_not_cached, wbc_ids);
+       if (!WBC_ERROR_IS_OK(err)) {
+               DEBUG(10, ("wbcSidsToUnixIds returned %s\n",
+                          wbcErrorString(err)));
+       }
+
+       num_not_cached = 0;
+
+       for (i=0; i<num_sids; i++) {
+               if (ids[i].type == WBC_ID_TYPE_NOT_SPECIFIED) {
+                       ids[i] = wbc_ids[num_not_cached];
+                       num_not_cached += 1;
+               }
+       }
+
+       for (i=0; i<num_sids; i++) {
+               if (ids[i].type != WBC_ID_TYPE_NOT_SPECIFIED) {
+                       continue;
+               }
+               if (legacy_sid_to_gid(&sids[i], &ids[i].id.gid)) {
+                       ids[i].type = WBC_ID_TYPE_GID;
+                       continue;
+               }
+               if (legacy_sid_to_uid(&sids[i], &ids[i].id.uid)) {
+                       ids[i].type = WBC_ID_TYPE_UID;
+                       continue;
+               }
+       }
+done:
+       ret = true;
+fail:
+       TALLOC_FREE(wbc_ids);
+       TALLOC_FREE(wbc_sids);
+       return ret;
+}
+
 /*****************************************************************
  *THE CANONICAL* convert SID to uid function.
 *****************************************************************/  
@@ -1642,3 +1752,4 @@ done:
        TALLOC_FREE(tmp_ctx);
        return NT_STATUS_OK;
 }
+