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-rw-r--r--source4/dsdb/samdb/ldb_modules/acl.c59
-rw-r--r--source4/dsdb/samdb/ldb_modules/acl_read.c15
-rw-r--r--source4/dsdb/samdb/ldb_modules/acl_util.c3
3 files changed, 57 insertions, 20 deletions
diff --git a/source4/dsdb/samdb/ldb_modules/acl.c b/source4/dsdb/samdb/ldb_modules/acl.c
index 0a244f9bef..638955de97 100644
--- a/source4/dsdb/samdb/ldb_modules/acl.c
+++ b/source4/dsdb/samdb/ldb_modules/acl.c
@@ -191,6 +191,7 @@ static int acl_allowedAttributes(struct ldb_module *module,
TALLOC_CTX *mem_ctx;
const char **attr_list;
int i, ret;
+ const struct dsdb_class *objectclass;
/* If we don't have a schema yet, we can't do anything... */
if (schema == NULL) {
@@ -215,6 +216,19 @@ static int acl_allowedAttributes(struct ldb_module *module,
talloc_free(mem_ctx);
return LDB_ERR_OPERATIONS_ERROR;
}
+
+ /*
+ * Get the top-most structural object class for the ACL check
+ */
+ objectclass = dsdb_get_last_structural_class(ac->schema,
+ oc_el);
+ if (objectclass == NULL) {
+ ldb_asprintf_errstring(ldb, "acl_read: Failed to find a structural class for %s",
+ ldb_dn_get_linearized(sd_msg->dn));
+ talloc_free(mem_ctx);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
if (ac->allowedAttributes) {
for (i=0; attr_list && attr_list[i]; i++) {
ldb_msg_add_string(msg, "allowedAttributes", attr_list[i]);
@@ -262,7 +276,8 @@ static int acl_allowedAttributes(struct ldb_module *module,
sd,
sid,
SEC_ADS_WRITE_PROP,
- attr);
+ attr,
+ objectclass);
if (ret == LDB_SUCCESS) {
ldb_msg_add_string(msg, "allowedAttributesEffective", attr_list[i]);
}
@@ -479,10 +494,15 @@ static int acl_sDRightsEffective(struct ldb_module *module,
}
if (ac->am_system || as_system) {
flags = SECINFO_OWNER | SECINFO_GROUP | SECINFO_SACL | SECINFO_DACL;
- }
- else {
+ } else {
+ const struct dsdb_class *objectclass;
const struct dsdb_attribute *attr;
+ objectclass = dsdb_get_structural_oc_from_msg(ac->schema, sd_msg);
+ if (objectclass == NULL) {
+ return ldb_operr(ldb);
+ }
+
attr = dsdb_attribute_by_lDAPDisplayName(ac->schema,
"nTSecurityDescriptor");
if (attr == NULL) {
@@ -500,7 +520,8 @@ static int acl_sDRightsEffective(struct ldb_module *module,
sd,
sid,
SEC_STD_WRITE_OWNER,
- attr);
+ attr,
+ objectclass);
if (ret == LDB_SUCCESS) {
flags |= SECINFO_OWNER | SECINFO_GROUP;
}
@@ -509,7 +530,8 @@ static int acl_sDRightsEffective(struct ldb_module *module,
sd,
sid,
SEC_STD_WRITE_DAC,
- attr);
+ attr,
+ objectclass);
if (ret == LDB_SUCCESS) {
flags |= SECINFO_DACL;
}
@@ -518,7 +540,8 @@ static int acl_sDRightsEffective(struct ldb_module *module,
sd,
sid,
SEC_FLAG_SYSTEM_SECURITY,
- attr);
+ attr,
+ objectclass);
if (ret == LDB_SUCCESS) {
flags |= SECINFO_SACL;
}
@@ -636,8 +659,8 @@ static int acl_check_spn(TALLOC_CTX *mem_ctx,
struct ldb_request *req,
struct security_descriptor *sd,
struct dom_sid *sid,
- const struct GUID *oc_guid,
- const struct dsdb_attribute *attr)
+ const struct dsdb_attribute *attr,
+ const struct dsdb_class *objectclass)
{
int ret;
unsigned int i;
@@ -671,7 +694,7 @@ static int acl_check_spn(TALLOC_CTX *mem_ctx,
sd,
sid,
SEC_ADS_WRITE_PROP,
- attr) == LDB_SUCCESS) {
+ attr, objectclass) == LDB_SUCCESS) {
talloc_free(tmp_ctx);
return LDB_SUCCESS;
}
@@ -828,8 +851,8 @@ static int acl_check_self_membership(TALLOC_CTX *mem_ctx,
struct ldb_request *req,
struct security_descriptor *sd,
struct dom_sid *sid,
- const struct GUID *oc_guid,
- const struct dsdb_attribute *attr)
+ const struct dsdb_attribute *attr,
+ const struct dsdb_class *objectclass)
{
int ret;
unsigned int i;
@@ -842,7 +865,7 @@ static int acl_check_self_membership(TALLOC_CTX *mem_ctx,
sd,
sid,
SEC_ADS_WRITE_PROP,
- attr) == LDB_SUCCESS) {
+ attr, objectclass) == LDB_SUCCESS) {
return LDB_SUCCESS;
}
/* if we are adding/deleting ourselves, check for self membership */
@@ -884,7 +907,7 @@ static int acl_check_password_rights(TALLOC_CTX *mem_ctx,
struct ldb_request *req,
struct security_descriptor *sd,
struct dom_sid *sid,
- const struct GUID *oc_guid,
+ const struct dsdb_class *objectclass,
bool userPassword)
{
int ret = LDB_SUCCESS;
@@ -1109,8 +1132,8 @@ static int acl_modify(struct ldb_module *module, struct ldb_request *req)
req,
sd,
sid,
- &objectclass->schemaIDGUID,
- attr);
+ attr,
+ objectclass);
if (ret != LDB_SUCCESS) {
goto fail;
}
@@ -1126,7 +1149,7 @@ static int acl_modify(struct ldb_module *module, struct ldb_request *req)
req,
sd,
sid,
- &objectclass->schemaIDGUID,
+ objectclass,
userPassword);
if (ret != LDB_SUCCESS) {
goto fail;
@@ -1137,8 +1160,8 @@ static int acl_modify(struct ldb_module *module, struct ldb_request *req)
req,
sd,
sid,
- &objectclass->schemaIDGUID,
- attr);
+ attr,
+ objectclass);
if (ret != LDB_SUCCESS) {
goto fail;
}
diff --git a/source4/dsdb/samdb/ldb_modules/acl_read.c b/source4/dsdb/samdb/ldb_modules/acl_read.c
index dcabd56a78..07b1bc4e5e 100644
--- a/source4/dsdb/samdb/ldb_modules/acl_read.c
+++ b/source4/dsdb/samdb/ldb_modules/acl_read.c
@@ -76,6 +76,7 @@ static int aclread_callback(struct ldb_request *req, struct ldb_reply *ares)
struct dom_sid *sid = NULL;
TALLOC_CTX *tmp_ctx;
uint32_t instanceType;
+ const struct dsdb_class *objectclass;
ac = talloc_get_type(req->context, struct aclread_context);
ldb = ldb_module_get_ctx(ac->module);
@@ -98,6 +99,17 @@ static int aclread_callback(struct ldb_request *req, struct ldb_reply *ares)
ret = LDB_ERR_OPERATIONS_ERROR;
goto fail;
}
+ /*
+ * Get the most specific structural object class for the ACL check
+ */
+ objectclass = dsdb_get_structural_oc_from_msg(ac->schema, msg);
+ if (objectclass == NULL) {
+ ldb_asprintf_errstring(ldb, "acl_read: Failed to find a structural class for %s",
+ ldb_dn_get_linearized(msg->dn));
+ ret = LDB_ERR_OPERATIONS_ERROR;
+ goto fail;
+ }
+
sid = samdb_result_dom_sid(tmp_ctx, msg, "objectSid");
/* get the object instance type */
instanceType = ldb_msg_find_attr_as_uint(msg,
@@ -196,7 +208,8 @@ static int aclread_callback(struct ldb_request *req, struct ldb_reply *ares)
sd,
sid,
access_mask,
- attr);
+ attr,
+ objectclass);
/*
* Dirsync control needs the replpropertymetadata attribute
diff --git a/source4/dsdb/samdb/ldb_modules/acl_util.c b/source4/dsdb/samdb/ldb_modules/acl_util.c
index bbf8e660a6..95ab2752c7 100644
--- a/source4/dsdb/samdb/ldb_modules/acl_util.c
+++ b/source4/dsdb/samdb/ldb_modules/acl_util.c
@@ -96,7 +96,8 @@ int acl_check_access_on_attribute(struct ldb_module *module,
struct security_descriptor *sd,
struct dom_sid *rp_sid,
uint32_t access_mask,
- const struct dsdb_attribute *attr)
+ const struct dsdb_attribute *attr,
+ const struct dsdb_class *objectclass)
{
int ret;
NTSTATUS status;
generated by cgit (git 2.34.1) at 2024-06-30 06:19:28 +0000