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-rw-r--r--source4/dsdb/samdb/ldb_modules/samldb.c259
1 files changed, 24 insertions, 235 deletions
diff --git a/source4/dsdb/samdb/ldb_modules/samldb.c b/source4/dsdb/samdb/ldb_modules/samldb.c
index f57fab1463..30f99440eb 100644
--- a/source4/dsdb/samdb/ldb_modules/samldb.c
+++ b/source4/dsdb/samdb/ldb_modules/samldb.c
@@ -74,10 +74,6 @@ struct samldb_ctx {
/* used in "samldb_user_dn_to_prim_group_rid" */
uint32_t prim_group_rid;
- /* used in conjunction with "prim_group_rid" in
- * "samldb_prim_group_rid_to_users_cnt" */
- unsigned int users_cnt;
-
/* used in "samldb_group_add_member" and "samldb_group_del_member" */
struct ldb_dn *group_dn;
struct ldb_dn *member_dn;
@@ -1141,97 +1137,6 @@ static int samldb_schema_info_update(struct samldb_ctx *ac)
}
/*
- * samldb_sid_from_dn (async)
- */
-
-static int samldb_sid_from_dn(struct samldb_ctx *ac);
-
-static int samldb_sid_from_dn_callback(struct ldb_request *req,
- struct ldb_reply *ares)
-{
- struct ldb_context *ldb;
- struct samldb_ctx *ac;
- int ret;
-
- ac = talloc_get_type(req->context, struct samldb_ctx);
- ldb = ldb_module_get_ctx(ac->module);
-
- if (!ares) {
- ret = LDB_ERR_OPERATIONS_ERROR;
- goto done;
- }
- if (ares->error != LDB_SUCCESS) {
- return ldb_module_done(ac->req, ares->controls,
- ares->response, ares->error);
- }
-
- switch (ares->type) {
- case LDB_REPLY_ENTRY:
- /* save entry */
- if (ac->res_sid != NULL) {
- /* one too many! */
- ldb_set_errstring(ldb,
- "Invalid number of results while searching "
- "for domain objects!");
- ret = LDB_ERR_OPERATIONS_ERROR;
- break;
- }
- ac->res_sid = samdb_result_dom_sid(ac, ares->message,
- "objectSid");
-
- talloc_free(ares);
- ret = LDB_SUCCESS;
- break;
-
- case LDB_REPLY_REFERRAL:
- /* ignore */
- talloc_free(ares);
- ret = LDB_SUCCESS;
- break;
-
- case LDB_REPLY_DONE:
- talloc_free(ares);
-
- /* found or not found, go on */
- ret = samldb_next_step(ac);
- break;
- }
-
-done:
- if (ret != LDB_SUCCESS) {
- return ldb_module_done(ac->req, NULL, NULL, ret);
- }
-
- return LDB_SUCCESS;
-}
-
-/* Finds the SID "res_sid" of an object with a given DN "dn" */
-static int samldb_sid_from_dn(struct samldb_ctx *ac)
-{
- struct ldb_context *ldb;
- static const char * const attrs[] = { "objectSid", NULL };
- struct ldb_request *req;
- int ret;
-
- ldb = ldb_module_get_ctx(ac->module);
-
- if (ac->dn == NULL)
- return LDB_ERR_OPERATIONS_ERROR;
-
- ret = ldb_build_search_req(&req, ldb, ac,
- ac->dn,
- LDB_SCOPE_BASE,
- NULL, attrs,
- NULL,
- ac, samldb_sid_from_dn_callback,
- ac->req);
- if (ret != LDB_SUCCESS)
- return ret;
-
- return ldb_next_request(ac->module, req);
-}
-
-/*
* samldb_user_dn_to_prim_group_rid (async)
*/
@@ -1330,96 +1235,6 @@ static int samldb_user_dn_to_prim_group_rid(struct samldb_ctx *ac)
}
/*
- * samldb_prim_group_rid_to_users_cnt (async)
- */
-
-static int samldb_prim_group_rid_to_users_cnt(struct samldb_ctx *ac);
-
-static int samldb_prim_group_rid_to_users_cnt_callback(struct ldb_request *req,
- struct ldb_reply *ares)
-{
- struct ldb_context *ldb;
- struct samldb_ctx *ac;
- int ret;
-
- ac = talloc_get_type(req->context, struct samldb_ctx);
- ldb = ldb_module_get_ctx(ac->module);
-
- if (!ares) {
- ret = LDB_ERR_OPERATIONS_ERROR;
- goto done;
- }
- if (ares->error != LDB_SUCCESS) {
- return ldb_module_done(ac->req, ares->controls,
- ares->response, ares->error);
- }
-
- switch (ares->type) {
- case LDB_REPLY_ENTRY:
- /* save entry */
- ++(ac->users_cnt);
-
- talloc_free(ares);
- ret = LDB_SUCCESS;
- break;
-
- case LDB_REPLY_REFERRAL:
- /* ignore */
- talloc_free(ares);
- ret = LDB_SUCCESS;
- break;
-
- case LDB_REPLY_DONE:
- talloc_free(ares);
-
- /* found or not found, go on */
- ret = samldb_next_step(ac);
- break;
- }
-
-done:
- if (ret != LDB_SUCCESS) {
- return ldb_module_done(ac->req, NULL, NULL, ret);
- }
-
- return LDB_SUCCESS;
-}
-
-/* Finds the amount of users which have the primary group "prim_group_rid" and
- * save the result in "users_cnt" */
-static int samldb_prim_group_rid_to_users_cnt(struct samldb_ctx *ac)
-{
- struct ldb_context *ldb;
- static const char * const attrs[] = { NULL };
- struct ldb_request *req;
- char *filter;
- int ret;
-
- ldb = ldb_module_get_ctx(ac->module);
-
- if ((ac->prim_group_rid == 0) || (ac->users_cnt != 0))
- return LDB_ERR_OPERATIONS_ERROR;
-
- filter = talloc_asprintf(ac, "(&(primaryGroupID=%u)(objectclass=user))",
- ac->prim_group_rid);
- if (filter == NULL)
- return LDB_ERR_OPERATIONS_ERROR;
-
- ret = ldb_build_search_req(&req, ldb, ac,
- ldb_get_default_basedn(ldb),
- LDB_SCOPE_SUBTREE,
- filter, attrs,
- NULL,
- ac,
- samldb_prim_group_rid_to_users_cnt_callback,
- ac->req);
- if (ret != LDB_SUCCESS)
- return ret;
-
- return ldb_next_request(ac->module, req);
-}
-
-/*
* samldb_group_add_member (async)
* samldb_group_del_member (async)
*/
@@ -1735,72 +1550,46 @@ static int samldb_member_check(struct samldb_ctx *ac)
}
-static int samldb_prim_group_users_check_1(struct samldb_ctx *ac)
-{
- ac->dn = ac->req->op.del.dn;
- ac->res_sid = NULL;
-
- return samldb_next_step(ac);
-}
-
-static int samldb_prim_group_users_check_2(struct samldb_ctx *ac)
+static int samldb_prim_group_users_check(struct samldb_ctx *ac)
{
- NTSTATUS status;
+ struct ldb_context *ldb;
+ struct dom_sid *sid;
uint32_t rid;
+ NTSTATUS status;
+ int count;
+
+ ldb = ldb_module_get_ctx(ac->module);
- if (ac->res_sid == NULL) {
- /* No SID - therefore ok here */
+ /* Finds out the SID/RID of the SAM object */
+ sid = samdb_search_dom_sid(ldb, ac, ac->req->op.del.dn, "objectSID",
+ NULL);
+ if (sid == NULL) {
+ /* No SID - it might not be a SAM object - therefore ok */
return ldb_next_request(ac->module, ac->req);
}
- status = dom_sid_split_rid(ac, ac->res_sid, NULL, &rid);
- if (!NT_STATUS_IS_OK(status))
+ status = dom_sid_split_rid(ac, sid, NULL, &rid);
+ if (!NT_STATUS_IS_OK(status)) {
return LDB_ERR_OPERATIONS_ERROR;
-
+ }
if (rid == 0) {
/* Special object (security principal?) */
return ldb_next_request(ac->module, ac->req);
}
- ac->prim_group_rid = rid;
- ac->users_cnt = 0;
-
- return samldb_next_step(ac);
-}
-
-static int samldb_prim_group_users_check_3(struct samldb_ctx *ac)
-{
- if (ac->users_cnt > 0)
+ /* Deny delete requests from groups which are primary ones */
+ count = samdb_search_count(ldb, NULL,
+ "(&(primaryGroupID=%u)(objectClass=user))",
+ rid);
+ if (count < 0) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ if (count > 0) {
return LDB_ERR_ENTRY_ALREADY_EXISTS;
+ }
return ldb_next_request(ac->module, ac->req);
}
-static int samldb_prim_group_users_check(struct samldb_ctx *ac)
-{
- int ret;
-
- /* Finds out the SID/RID of the domain object */
-
- ret = samldb_add_step(ac, samldb_prim_group_users_check_1);
- if (ret != LDB_SUCCESS) return ret;
-
- ret = samldb_add_step(ac, samldb_sid_from_dn);
- if (ret != LDB_SUCCESS) return ret;
-
- /* Deny delete requests from groups which are primary ones */
-
- ret = samldb_add_step(ac, samldb_prim_group_users_check_2);
- if (ret != LDB_SUCCESS) return ret;
-
- ret = samldb_add_step(ac, samldb_prim_group_rid_to_users_cnt);
- if (ret != LDB_SUCCESS) return ret;
-
- ret = samldb_add_step(ac, samldb_prim_group_users_check_3);
- if (ret != LDB_SUCCESS) return ret;
-
- return samldb_first_step(ac);
-}
-
/* add */
static int samldb_add(struct ldb_module *module, struct ldb_request *req)
generated by cgit (git 2.34.1) at 2024-11-24 21:39:20 +0000