};
struct acl_private {
+ bool acl_search;
const char **password_attrs;
void *cached_schema_ptr;
uint64_t cached_schema_metadata_usn;
struct ldb_context *ldb;
struct acl_private *data;
int ret;
- unsigned int i;
+ unsigned int i, n, j;
TALLOC_CTX *mem_ctx;
- static const char *attrs[] = { "passwordAttribute", NULL };
+ static const char * const attrs[] = { "passwordAttribute", NULL };
+ static const char * const secret_attrs[] = {
+ DSDB_SECRET_ATTRIBUTES
+ };
struct ldb_result *res;
struct ldb_message *msg;
struct ldb_message_element *password_attributes;
return ldb_oom(ldb);
}
+ data->acl_search = lpcfg_parm_bool(ldb_get_opaque(ldb, "loadparm"),
+ NULL, "acl", "search", true);
ldb_module_set_private(module, data);
mem_ctx = talloc_new(module);
if (!password_attributes) {
goto done;
}
- data->password_attrs = talloc_array(data, const char *, password_attributes->num_values + 1);
+ data->password_attrs = talloc_array(data, const char *,
+ password_attributes->num_values +
+ ARRAY_SIZE(secret_attrs) + 1);
if (!data->password_attrs) {
talloc_free(mem_ctx);
return ldb_oom(ldb);
}
+
+ n = 0;
for (i=0; i < password_attributes->num_values; i++) {
- data->password_attrs[i] = (const char *)password_attributes->values[i].data;
+ data->password_attrs[n] = (const char *)password_attributes->values[i].data;
talloc_steal(data->password_attrs, password_attributes->values[i].data);
+ n++;
+ }
+
+ for (i=0; i < ARRAY_SIZE(secret_attrs); i++) {
+ bool found = false;
+
+ for (j=0; j < n; j++) {
+ if (strcasecmp(data->password_attrs[j], secret_attrs[i]) == 0) {
+ found = true;
+ break;
+ }
+ }
+
+ if (found) {
+ continue;
+ }
+
+ data->password_attrs[n] = talloc_strdup(data->password_attrs,
+ secret_attrs[i]);
+ if (data->password_attrs[n] == NULL) {
+ talloc_free(mem_ctx);
+ return ldb_oom(ldb);
+ }
+ n++;
}
- data->password_attrs[i] = NULL;
+ data->password_attrs[n] = NULL;
done:
talloc_free(mem_ctx);
struct ldb_message *msg,
struct acl_context *ac)
{
+ struct ldb_context *ldb = ldb_module_get_ctx(module);
struct ldb_message_element *rightsEffective;
int ret;
struct security_descriptor *sd;
flags = SECINFO_OWNER | SECINFO_GROUP | SECINFO_SACL | SECINFO_DACL;
}
else {
+ const struct dsdb_attribute *attr;
+
+ attr = dsdb_attribute_by_lDAPDisplayName(ac->schema,
+ "nTSecurityDescriptor");
+ if (attr == NULL) {
+ return ldb_operr(ldb);
+ }
+
/* Get the security descriptor from the message */
- ret = dsdb_get_sd_from_ldb_message(ldb_module_get_ctx(module), msg, sd_msg, &sd);
+ ret = dsdb_get_sd_from_ldb_message(ldb, msg, sd_msg, &sd);
if (ret != LDB_SUCCESS) {
return ret;
}
sd,
sid,
SEC_STD_WRITE_OWNER,
- NULL);
+ attr);
if (ret == LDB_SUCCESS) {
flags |= SECINFO_OWNER | SECINFO_GROUP;
}
sd,
sid,
SEC_STD_WRITE_DAC,
- NULL);
+ attr);
if (ret == LDB_SUCCESS) {
flags |= SECINFO_DACL;
}
sd,
sid,
SEC_FLAG_SYSTEM_SECURITY,
- NULL);
+ attr);
if (ret == LDB_SUCCESS) {
flags |= SECINFO_SACL;
}
static int acl_add(struct ldb_module *module, struct ldb_request *req)
{
int ret;
- struct ldb_dn *parent = ldb_dn_get_parent(req, req->op.add.message->dn);
+ struct ldb_dn *parent;
struct ldb_context *ldb;
const struct dsdb_schema *schema;
struct ldb_message_element *oc_el;
const struct GUID *guid;
struct ldb_dn *nc_root;
- struct ldb_control *as_system = ldb_request_get_control(req, LDB_CONTROL_AS_SYSTEM_OID);
+ struct ldb_control *as_system;
+ if (ldb_dn_is_special(req->op.add.message->dn)) {
+ return ldb_next_request(module, req);
+ }
+
+ as_system = ldb_request_get_control(req, LDB_CONTROL_AS_SYSTEM_OID);
if (as_system != NULL) {
as_system->critical = 0;
}
if (dsdb_module_am_system(module) || as_system) {
return ldb_next_request(module, req);
}
- if (ldb_dn_is_special(req->op.add.message->dn)) {
- return ldb_next_request(module, req);
- }
ldb = ldb_module_get_ctx(module);
+ parent = ldb_dn_get_parent(req, req->op.add.message->dn);
+ if (parent == NULL) {
+ return ldb_oom(ldb);
+ }
+
/* Creating an NC. There is probably something we should do here,
* but we will establish that later */
unsigned int i;
const struct GUID *guid;
uint32_t access_granted;
- struct object_tree *root = NULL;
- struct object_tree *new_node = NULL;
NTSTATUS status;
struct ldb_result *acl_res;
struct security_descriptor *sd;
struct dom_sid *sid = NULL;
- struct ldb_control *as_system = ldb_request_get_control(req, LDB_CONTROL_AS_SYSTEM_OID);
- bool userPassword = dsdb_user_password_support(module, req, req);
- TALLOC_CTX *tmp_ctx = talloc_new(req);
+ struct ldb_control *as_system;
+ bool userPassword;
+ TALLOC_CTX *tmp_ctx;
+ const struct ldb_message *msg = req->op.mod.message;
static const char *acl_attrs[] = {
"nTSecurityDescriptor",
"objectClass",
NULL
};
+ if (ldb_dn_is_special(msg->dn)) {
+ return ldb_next_request(module, req);
+ }
+
+ as_system = ldb_request_get_control(req, LDB_CONTROL_AS_SYSTEM_OID);
if (as_system != NULL) {
as_system->critical = 0;
}
/* Don't print this debug statement if elements[0].name is going to be NULL */
- if(req->op.mod.message->num_elements > 0)
- {
- DEBUG(10, ("ldb:acl_modify: %s\n", req->op.mod.message->elements[0].name));
+ if (msg->num_elements > 0) {
+ DEBUG(10, ("ldb:acl_modify: %s\n", msg->elements[0].name));
}
if (dsdb_module_am_system(module) || as_system) {
return ldb_next_request(module, req);
}
- if (ldb_dn_is_special(req->op.mod.message->dn)) {
- return ldb_next_request(module, req);
+
+ tmp_ctx = talloc_new(req);
+ if (tmp_ctx == NULL) {
+ return ldb_oom(ldb);
}
- ret = dsdb_module_search_dn(module, tmp_ctx, &acl_res, req->op.mod.message->dn,
+
+ ret = dsdb_module_search_dn(module, tmp_ctx, &acl_res, msg->dn,
acl_attrs,
DSDB_FLAG_NEXT_MODULE |
DSDB_FLAG_AS_SYSTEM |
goto fail;
}
+ userPassword = dsdb_user_password_support(module, req, req);
+
schema = dsdb_get_schema(ldb, tmp_ctx);
if (!schema) {
- ret = LDB_ERR_OPERATIONS_ERROR;
- goto fail;
+ talloc_free(tmp_ctx);
+ return ldb_error(ldb, LDB_ERR_OPERATIONS_ERROR,
+ "acl_modify: Error obtaining schema.");
}
ret = dsdb_get_sd_from_ldb_message(ldb, tmp_ctx, acl_res->msgs[0], &sd);
"acl_modify: Error retrieving object class GUID.");
}
sid = samdb_result_dom_sid(req, acl_res->msgs[0], "objectSid");
- if (!insert_in_object_tree(tmp_ctx, guid, SEC_ADS_WRITE_PROP,
- &root, &new_node)) {
- talloc_free(tmp_ctx);
- return ldb_error(ldb, LDB_ERR_OPERATIONS_ERROR,
- "acl_modify: Error adding new node in object tree.");
- }
- for (i=0; i < req->op.mod.message->num_elements; i++){
+ for (i=0; i < msg->num_elements; i++) {
+ const struct ldb_message_element *el = &msg->elements[i];
const struct dsdb_attribute *attr;
- attr = dsdb_attribute_by_lDAPDisplayName(schema,
- req->op.mod.message->elements[i].name);
- if (ldb_attr_cmp("nTSecurityDescriptor", req->op.mod.message->elements[i].name) == 0) {
+ /*
+ * This basic attribute existence check with the right errorcode
+ * is needed since this module is the first one which requests
+ * schema attribute information.
+ * The complete attribute checking is done in the
+ * "objectclass_attrs" module behind this one.
+ *
+ * NOTE: "clearTextPassword" is not defined in the schema.
+ */
+ attr = dsdb_attribute_by_lDAPDisplayName(schema, el->name);
+ if (!attr && ldb_attr_cmp("clearTextPassword", el->name) != 0) {
+ ldb_asprintf_errstring(ldb, "acl_modify: attribute '%s' "
+ "on entry '%s' was not found in the schema!",
+ req->op.mod.message->elements[i].name,
+ ldb_dn_get_linearized(req->op.mod.message->dn));
+ ret = LDB_ERR_NO_SUCH_ATTRIBUTE;
+ goto fail;
+ }
+
+ if (ldb_attr_cmp("nTSecurityDescriptor", el->name) == 0) {
+ uint32_t sd_flags = dsdb_request_sd_flags(req, NULL);
+ uint32_t access_mask = 0;
+
+ if (sd_flags & (SECINFO_OWNER|SECINFO_GROUP)) {
+ access_mask |= SEC_STD_WRITE_OWNER;
+ }
+ if (sd_flags & SECINFO_DACL) {
+ access_mask |= SEC_STD_WRITE_DAC;
+ }
+ if (sd_flags & SECINFO_SACL) {
+ access_mask |= SEC_FLAG_SYSTEM_SECURITY;
+ }
+
status = sec_access_check_ds(sd, acl_user_token(module),
- SEC_STD_WRITE_DAC,
+ access_mask,
&access_granted,
NULL,
sid);
if (!NT_STATUS_IS_OK(status)) {
ldb_asprintf_errstring(ldb_module_get_ctx(module),
"Object %s has no write dacl access\n",
- ldb_dn_get_linearized(req->op.mod.message->dn));
+ ldb_dn_get_linearized(msg->dn));
dsdb_acl_debug(sd,
acl_user_token(module),
- req->op.mod.message->dn,
+ msg->dn,
true,
10);
ret = LDB_ERR_INSUFFICIENT_ACCESS_RIGHTS;
goto fail;
}
- }
- else if (ldb_attr_cmp("member", req->op.mod.message->elements[i].name) == 0) {
+ } else if (ldb_attr_cmp("member", el->name) == 0) {
ret = acl_check_self_membership(tmp_ctx,
module,
req,
if (ret != LDB_SUCCESS) {
goto fail;
}
- }
- else if (ldb_attr_cmp("dBCSPwd", req->op.mod.message->elements[i].name) == 0) {
+ } else if (ldb_attr_cmp("dBCSPwd", el->name) == 0) {
/* this one is not affected by any rights, we should let it through
so that passwords_hash returns the correct error */
continue;
- }
- else if (ldb_attr_cmp("unicodePwd", req->op.mod.message->elements[i].name) == 0 ||
- (userPassword && ldb_attr_cmp("userPassword", req->op.mod.message->elements[i].name) == 0) ||
- ldb_attr_cmp("clearTextPassword", req->op.mod.message->elements[i].name) == 0) {
+ } else if (ldb_attr_cmp("unicodePwd", el->name) == 0 ||
+ (userPassword && ldb_attr_cmp("userPassword", el->name) == 0) ||
+ ldb_attr_cmp("clearTextPassword", el->name) == 0) {
ret = acl_check_password_rights(tmp_ctx,
module,
req,
if (ret != LDB_SUCCESS) {
goto fail;
}
- } else if (ldb_attr_cmp("servicePrincipalName", req->op.mod.message->elements[i].name) == 0) {
+ } else if (ldb_attr_cmp("servicePrincipalName", el->name) == 0) {
ret = acl_check_spn(tmp_ctx,
module,
req,
goto fail;
}
} else {
-
- /* This basic attribute existence check with the right errorcode
- * is needed since this module is the first one which requests
- * schema attribute information.
- * The complete attribute checking is done in the
- * "objectclass_attrs" module behind this one.
- */
- if (!attr) {
- ldb_asprintf_errstring(ldb, "acl_modify: attribute '%s' on entry '%s' was not found in the schema!",
- req->op.mod.message->elements[i].name,
- ldb_dn_get_linearized(req->op.mod.message->dn));
- ret = LDB_ERR_NO_SUCH_ATTRIBUTE;
- goto fail;
+ struct object_tree *root = NULL;
+ struct object_tree *new_node = NULL;
+
+ if (!insert_in_object_tree(tmp_ctx, guid, SEC_ADS_WRITE_PROP,
+ &root, &new_node)) {
+ talloc_free(tmp_ctx);
+ return ldb_error(ldb, LDB_ERR_OPERATIONS_ERROR,
+ "acl_modify: Error adding new node in object tree.");
}
+
if (!insert_in_object_tree(tmp_ctx,
&attr->attributeSecurityGUID, SEC_ADS_WRITE_PROP,
&new_node, &new_node)) {
ret = LDB_ERR_OPERATIONS_ERROR;
goto fail;
}
- }
- }
- if (root->num_of_children > 0) {
- status = sec_access_check_ds(sd, acl_user_token(module),
- SEC_ADS_WRITE_PROP,
- &access_granted,
- root,
- sid);
-
- if (!NT_STATUS_IS_OK(status)) {
- ldb_asprintf_errstring(ldb_module_get_ctx(module),
- "Object %s has no write property access\n",
- ldb_dn_get_linearized(req->op.mod.message->dn));
- dsdb_acl_debug(sd,
- acl_user_token(module),
- req->op.mod.message->dn,
- true,
- 10);
- ret = LDB_ERR_INSUFFICIENT_ACCESS_RIGHTS;
- goto fail;
+ status = sec_access_check_ds(sd, acl_user_token(module),
+ SEC_ADS_WRITE_PROP,
+ &access_granted,
+ root,
+ sid);
+ if (!NT_STATUS_IS_OK(status)) {
+ ldb_asprintf_errstring(ldb_module_get_ctx(module),
+ "Object %s has no write property access\n",
+ ldb_dn_get_linearized(msg->dn));
+ dsdb_acl_debug(sd,
+ acl_user_token(module),
+ msg->dn,
+ true,
+ 10);
+ ret = LDB_ERR_INSUFFICIENT_ACCESS_RIGHTS;
+ goto fail;
+ }
}
}
static int acl_delete(struct ldb_module *module, struct ldb_request *req)
{
int ret;
- struct ldb_dn *parent = ldb_dn_get_parent(req, req->op.del.dn);
+ struct ldb_dn *parent;
struct ldb_context *ldb;
struct ldb_dn *nc_root;
- struct ldb_control *as_system = ldb_request_get_control(req, LDB_CONTROL_AS_SYSTEM_OID);
+ struct ldb_control *as_system;
+ if (ldb_dn_is_special(req->op.del.dn)) {
+ return ldb_next_request(module, req);
+ }
+
+ as_system = ldb_request_get_control(req, LDB_CONTROL_AS_SYSTEM_OID);
if (as_system != NULL) {
as_system->critical = 0;
}
- DEBUG(10, ("ldb:acl_delete: %s\n", ldb_dn_get_linearized(req->op.del.dn)));
if (dsdb_module_am_system(module) || as_system) {
return ldb_next_request(module, req);
}
- if (ldb_dn_is_special(req->op.del.dn)) {
- return ldb_next_request(module, req);
- }
+
+ DEBUG(10, ("ldb:acl_delete: %s\n", ldb_dn_get_linearized(req->op.del.dn)));
ldb = ldb_module_get_ctx(module);
+ parent = ldb_dn_get_parent(req, req->op.del.dn);
+ if (parent == NULL) {
+ return ldb_oom(ldb);
+ }
+
/* Make sure we aren't deleting a NC */
ret = dsdb_find_nc_root(ldb, req, req->op.del.dn, &nc_root);
}
talloc_free(nc_root);
+ if (ldb_request_get_control(req, LDB_CONTROL_TREE_DELETE_OID)) {
+ ret = dsdb_module_check_access_on_dn(module, req,
+ req->op.del.dn,
+ SEC_ADS_DELETE_TREE, NULL,
+ req);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ return ldb_next_request(module, req);
+ }
+
/* First check if we have delete object right */
ret = dsdb_module_check_access_on_dn(module, req, req->op.del.dn,
SEC_STD_DELETE, NULL, req);
static int acl_rename(struct ldb_module *module, struct ldb_request *req)
{
int ret;
- struct ldb_dn *oldparent = ldb_dn_get_parent(req, req->op.rename.olddn);
- struct ldb_dn *newparent = ldb_dn_get_parent(req, req->op.rename.newdn);
+ struct ldb_dn *oldparent;
+ struct ldb_dn *newparent;
const struct dsdb_schema *schema;
struct ldb_context *ldb;
struct security_descriptor *sd = NULL;
struct ldb_dn *nc_root;
struct object_tree *root = NULL;
struct object_tree *new_node = NULL;
- struct ldb_control *as_system = ldb_request_get_control(req, LDB_CONTROL_AS_SYSTEM_OID);
- TALLOC_CTX *tmp_ctx = talloc_new(req);
+ struct ldb_control *as_system;
+ TALLOC_CTX *tmp_ctx;
NTSTATUS status;
uint32_t access_granted;
const char *rdn_name;
NULL
};
+ if (ldb_dn_is_special(req->op.rename.olddn)) {
+ return ldb_next_request(module, req);
+ }
+
+ as_system = ldb_request_get_control(req, LDB_CONTROL_AS_SYSTEM_OID);
if (as_system != NULL) {
as_system->critical = 0;
}
if (dsdb_module_am_system(module) || as_system) {
return ldb_next_request(module, req);
}
- if (ldb_dn_is_special(req->op.rename.olddn)) {
- return ldb_next_request(module, req);
- }
ldb = ldb_module_get_ctx(module);
+ tmp_ctx = talloc_new(req);
+ if (tmp_ctx == NULL) {
+ return ldb_oom(ldb);
+ }
+
+ oldparent = ldb_dn_get_parent(tmp_ctx, req->op.rename.olddn);
+ if (oldparent == NULL) {
+ return ldb_oom(ldb);
+ }
+ newparent = ldb_dn_get_parent(tmp_ctx, req->op.rename.newdn);
+ if (newparent == NULL) {
+ return ldb_oom(ldb);
+ }
+
/* Make sure we aren't renaming/moving a NC */
ret = dsdb_find_nc_root(ldb, req, req->op.rename.olddn, &nc_root);
struct dsdb_attribute *a;
uint32_t n = 0;
+ if (data->acl_search) {
+ /*
+ * If acl:search is activated, the acl_read module
+ * protects confidential attributes.
+ */
+ return LDB_SUCCESS;
+ }
+
if ((ac->schema == data->cached_schema_ptr) &&
(ac->schema->loaded_usn == data->cached_schema_loaded_usn) &&
(ac->schema->metadata_usn == data->cached_schema_metadata_usn))
int ret;
unsigned int i;
+ if (ldb_dn_is_special(req->op.search.base)) {
+ return ldb_next_request(module, req);
+ }
+
ldb = ldb_module_get_ctx(module);
ac = talloc_zero(req, struct acl_context);
ac->allowedChildClasses = ldb_attr_in_list(req->op.search.attrs, "allowedChildClasses");
ac->allowedChildClassesEffective = ldb_attr_in_list(req->op.search.attrs, "allowedChildClassesEffective");
ac->sDRightsEffective = ldb_attr_in_list(req->op.search.attrs, "sDRightsEffective");
- ac->userPassword = dsdb_user_password_support(module, ac, req);
+ ac->userPassword = true;
ac->schema = dsdb_get_schema(ldb, ac);
ac->constructed_attrs |= ac->allowedAttributes;
}
if (!ac->constructed_attrs && !ac->modify_search) {
+ talloc_free(ac);
return ldb_next_request(module, req);
}
+ if (!ac->am_system) {
+ ac->userPassword = dsdb_user_password_support(module, ac, req);
+ }
+
ret = acl_search_update_confidential_attrs(ac, data);
if (ret != LDB_SUCCESS) {
return ret;
git.samba.org / metze / samba / wip.git / blobdiff