ldb database library
Copyright (C) Simo Sorce 2005-2008
- Copyright (C) Andrew Bartlett <abartlet@samba.org> 2007-2008
+ Copyright (C) Andrew Bartlett <abartlet@samba.org> 2007-2009
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
#include "ldb/include/ldb.h"
#include "ldb/include/ldb_errors.h"
#include "ldb/include/ldb_module.h"
+#include "libcli/security/dom_sid.h"
#include "librpc/gen_ndr/ndr_misc.h"
+#include "librpc/gen_ndr/ndr_security.h"
#include "librpc/ndr/libndr.h"
#include "dsdb/samdb/samdb.h"
return LDB_SUCCESS;
}
-static int handle_dereference(struct ldb_dn *dn,
+static int handle_dereference_openldap(struct ldb_dn *dn,
struct dsdb_openldap_dereference_result **dereference_attrs,
const char *attr, const DATA_BLOB *val)
{
entryUUIDblob = ldb_msg_find_ldb_val(&fake_msg, "entryUUID");
if (entryUUIDblob) {
NTSTATUS status;
- enum ndr_err_code ndr_err;
-
struct ldb_val guid_blob;
struct GUID guid;
if (!NT_STATUS_IS_OK(status)) {
return LDB_ERR_INVALID_DN_SYNTAX;
}
- ndr_err = ndr_push_struct_blob(&guid_blob, NULL, NULL, &guid,
- (ndr_push_flags_fn_t)ndr_push_GUID);
- if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ status = GUID_to_ndr_blob(&guid, dn, &guid_blob);
+ if (!NT_STATUS_IS_OK(status)) {
return LDB_ERR_INVALID_DN_SYNTAX;
}
return LDB_SUCCESS;
}
+static int handle_dereference_fds(struct ldb_dn *dn,
+ struct dsdb_openldap_dereference_result **dereference_attrs,
+ const char *attr, const DATA_BLOB *val)
+{
+ const struct ldb_val *nsUniqueIdBlob, *sidBlob;
+ struct ldb_message fake_msg; /* easier to use routines that expect an ldb_message */
+ int j;
+
+ fake_msg.num_elements = 0;
+
+ /* Look for this attribute in the returned control */
+ for (j = 0; dereference_attrs && dereference_attrs[j]; j++) {
+ struct ldb_val source_dn = data_blob_string_const(dereference_attrs[j]->dereferenced_dn);
+ if (ldb_attr_cmp(dereference_attrs[j]->source_attribute, attr) == 0
+ && data_blob_cmp(&source_dn, val) == 0) {
+ fake_msg.num_elements = dereference_attrs[j]->num_attributes;
+ fake_msg.elements = dereference_attrs[j]->attributes;
+ break;
+ }
+ }
+ if (!fake_msg.num_elements) {
+ return LDB_SUCCESS;
+ }
+
+ /* Look for the nsUniqueId */
+
+ nsUniqueIdBlob = ldb_msg_find_ldb_val(&fake_msg, "nsUniqueId");
+ if (nsUniqueIdBlob) {
+ NTSTATUS status;
+ struct ldb_val guid_blob;
+ struct GUID guid;
+
+ status = NS_GUID_from_string((char *)nsUniqueIdBlob->data, &guid);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ return LDB_ERR_INVALID_DN_SYNTAX;
+ }
+ status = GUID_to_ndr_blob(&guid, dn, &guid_blob);
+ if (!NT_STATUS_IS_OK(status)) {
+ return LDB_ERR_INVALID_DN_SYNTAX;
+ }
+
+ ldb_dn_set_extended_component(dn, "GUID", &guid_blob);
+ }
+
+ /* Look for the objectSID */
+
+ sidBlob = ldb_msg_find_ldb_val(&fake_msg, "sambaSID");
+ if (sidBlob) {
+ enum ndr_err_code ndr_err;
+
+ struct ldb_val sid_blob;
+ struct dom_sid *sid;
+
+ sid = dom_sid_parse_length(NULL, sidBlob);
+
+ if (sid == NULL) {
+ return LDB_ERR_INVALID_DN_SYNTAX;
+ }
+
+ ndr_err = ndr_push_struct_blob(&sid_blob, NULL, NULL, sid,
+ (ndr_push_flags_fn_t)ndr_push_dom_sid);
+ talloc_free(sid);
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ return LDB_ERR_INVALID_DN_SYNTAX;
+ }
+
+ ldb_dn_set_extended_component(dn, "SID", &sid_blob);
+ }
+ return LDB_SUCCESS;
+}
+
/* search */
struct extended_search_context {
struct ldb_module *module;
int extended_type;
};
-static int extended_callback(struct ldb_request *req, struct ldb_reply *ares)
+static int extended_callback(struct ldb_request *req, struct ldb_reply *ares,
+ int (*handle_dereference)(struct ldb_dn *dn,
+ struct dsdb_openldap_dereference_result **dereference_attrs,
+ const char *attr, const DATA_BLOB *val))
{
struct extended_search_context *ac;
struct ldb_control *control;
int ret, i, j;
struct ldb_message *msg = ares->message;
struct extended_dn_out_private *p;
+ struct ldb_context *ldb;
+ bool have_reveal_control, checked_reveal_control=false;
ac = talloc_get_type(req->context, struct extended_search_context);
p = talloc_get_type(ldb_module_get_private(ac->module), struct extended_dn_out_private);
-
+ ldb = ldb_module_get_ctx(ac->module);
if (!ares) {
return ldb_module_done(ac->req, NULL, NULL,
LDB_ERR_OPERATIONS_ERROR);
if (ac->inject) {
/* for each record returned post-process to add any derived
attributes that have been asked for */
- ret = inject_extended_dn_out(ares, ldb_module_get_ctx(ac->module),
+ ret = inject_extended_dn_out(ares, ldb,
ac->extended_type, ac->remove_guid,
ac->remove_sid);
if (ret != LDB_SUCCESS) {
ret = ldb_msg_add_steal_string(ares->message, "distinguishedName",
ldb_dn_get_extended_linearized(ares->message, ares->message->dn, ac->extended_type));
} else {
- ret = ldb_msg_add_string(ares->message, "distinguishedName",
- ldb_dn_get_linearized(ares->message->dn));
+ ret = ldb_msg_add_linearized_dn(ares->message,
+ "distinguishedName",
+ ares->message->dn);
}
if (ret != LDB_SUCCESS) {
- ldb_oom(ldb_module_get_ctx(ac->module));
+ ldb_oom(ldb);
return LDB_ERR_OPERATIONS_ERROR;
}
}
/* Walk the retruned elements (but only if we have a schema to interpret the list with) */
for (i = 0; ac->schema && i < msg->num_elements; i++) {
+ bool make_extended_dn;
const struct dsdb_attribute *attribute;
attribute = dsdb_attribute_by_lDAPDisplayName(ac->schema, msg->elements[i].name);
if (!attribute) {
* correct case */
msg->elements[i].name = talloc_strdup(msg->elements, attribute->lDAPDisplayName);
if (!msg->elements[i].name) {
- ldb_oom(ldb_module_get_ctx(ac->module));
+ ldb_oom(ldb);
return ldb_module_done(ac->req, NULL, NULL, LDB_ERR_OPERATIONS_ERROR);
}
}
}
/* Look to see if this attributeSyntax is a DN */
- if (strcmp(attribute->attributeSyntax_oid, "2.5.5.1") != 0 &&
- strcmp(attribute->attributeSyntax_oid, "2.5.5.7") != 0) {
+ if (dsdb_dn_oid_to_format(attribute->syntax->ldap_oid) == DSDB_INVALID_DN) {
continue;
}
+ make_extended_dn = ac->inject;
+
+ /* Always show plain DN in case of Object(OR-Name) syntax */
+ if (make_extended_dn) {
+ make_extended_dn = (strcmp(attribute->syntax->ldap_oid, DSDB_SYNTAX_OR_NAME) != 0);
+ }
+
for (j = 0; j < msg->elements[i].num_values; j++) {
const char *dn_str;
- struct ldb_dn *dn = ldb_dn_from_ldb_val(ac, ldb_module_get_ctx(ac->module), &msg->elements[i].values[j]);
- if (!dn || !ldb_dn_validate(dn)) {
+ struct ldb_dn *dn;
+ struct dsdb_dn *dsdb_dn = NULL;
+ struct ldb_val *plain_dn = &msg->elements[i].values[j];
+
+ if (!checked_reveal_control) {
+ have_reveal_control =
+ ldb_request_get_control(req, LDB_CONTROL_REVEAL_INTERNALS) != NULL;
+ checked_reveal_control = true;
+ }
+
+ /* this is a fast method for detecting deleted
+ linked attributes, working on the unparsed
+ ldb_val */
+ if (dsdb_dn_is_deleted_val(plain_dn) && !have_reveal_control) {
+ /* it's a deleted linked attribute,
+ and we don't have the reveal control */
+ memmove(&msg->elements[i].values[j],
+ &msg->elements[i].values[j+1],
+ (msg->elements[i].num_values-(j+1))*sizeof(struct ldb_val));
+ msg->elements[i].num_values--;
+ j--;
+ continue;
+ }
+
+
+ dsdb_dn = dsdb_dn_parse(msg, ldb, plain_dn, attribute->syntax->ldap_oid);
+
+ if (!dsdb_dn || !ldb_dn_validate(dsdb_dn->dn)) {
+ ldb_asprintf_errstring(ldb,
+ "could not parse %.*s in %s on %s as a %s DN",
+ (int)plain_dn->length, plain_dn->data,
+ msg->elements[i].name, ldb_dn_get_linearized(msg->dn),
+ attribute->syntax->ldap_oid);
+ talloc_free(dsdb_dn);
return ldb_module_done(ac->req, NULL, NULL, LDB_ERR_INVALID_DN_SYNTAX);
}
+ dn = dsdb_dn->dn;
+
+ /* don't let users see the internal extended
+ GUID components */
+ if (!have_reveal_control) {
+ const char *accept[] = { "GUID", "SID", "WKGUID", NULL };
+ ldb_dn_extended_filter(dn, accept);
+ }
if (p->normalise) {
ret = fix_dn(dn);
if (ret != LDB_SUCCESS) {
+ talloc_free(dsdb_dn);
return ldb_module_done(ac->req, NULL, NULL, ret);
}
}
msg->elements[i].name,
&msg->elements[i].values[j]);
if (ret != LDB_SUCCESS) {
+ talloc_free(dsdb_dn);
return ldb_module_done(ac->req, NULL, NULL, ret);
}
}
- if (!ac->inject) {
- dn_str = talloc_steal(msg->elements[i].values,
- ldb_dn_get_linearized(dn));
+ if (make_extended_dn) {
+ dn_str = dsdb_dn_get_extended_linearized(msg->elements[i].values,
+ dsdb_dn, ac->extended_type);
} else {
- dn_str = talloc_steal(msg->elements[i].values,
- ldb_dn_get_extended_linearized(msg->elements[i].values,
- dn, ac->extended_type));
+ dn_str = dsdb_dn_get_linearized(msg->elements[i].values,
+ dsdb_dn);
}
+
if (!dn_str) {
- ldb_oom(ldb_module_get_ctx(ac->module));
+ ldb_oom(ldb);
+ talloc_free(dsdb_dn);
return ldb_module_done(ac->req, NULL, NULL, LDB_ERR_OPERATIONS_ERROR);
}
msg->elements[i].values[j] = data_blob_string_const(dn_str);
- talloc_free(dn);
+ talloc_free(dsdb_dn);
+ }
+ if (msg->elements[i].num_values == 0) {
+ /* we've deleted all of the values from this
+ * element - remove the element */
+ memmove(&msg->elements[i],
+ &msg->elements[i+1],
+ (msg->num_elements-(i+1))*sizeof(struct ldb_message_element));
+ msg->num_elements--;
+ i--;
}
}
return ldb_module_send_entry(ac->req, msg, ares->controls);
}
+static int extended_callback_ldb(struct ldb_request *req, struct ldb_reply *ares)
+{
+ return extended_callback(req, ares, NULL);
+}
+
+static int extended_callback_openldap(struct ldb_request *req, struct ldb_reply *ares)
+{
+ return extended_callback(req, ares, handle_dereference_openldap);
+}
+
+static int extended_callback_fds(struct ldb_request *req, struct ldb_reply *ares)
+{
+ return extended_callback(req, ares, handle_dereference_fds);
+}
-static int extended_dn_out_search(struct ldb_module *module, struct ldb_request *req)
+static int extended_dn_out_search(struct ldb_module *module, struct ldb_request *req,
+ int (*callback)(struct ldb_request *req, struct ldb_reply *ares))
{
struct ldb_control *control;
struct ldb_control *storage_format_control;
struct ldb_extended_dn_control *extended_ctrl = NULL;
- struct ldb_control **saved_controls;
struct extended_search_context *ac;
struct ldb_request *down_req;
char **new_attrs;
const char * const *const_attrs;
+ struct ldb_context *ldb = ldb_module_get_ctx(module);
int ret;
struct extended_dn_out_private *p = talloc_get_type(ldb_module_get_private(module), struct extended_dn_out_private);
if (!control && storage_format_control && storage_format_control->data) {
extended_ctrl = talloc_get_type(storage_format_control->data, struct ldb_extended_dn_control);
if (!extended_ctrl) {
- ldb_set_errstring(ldb_module_get_ctx(module), "extended_dn_out: extended_ctrl was of the wrong data type");
+ ldb_set_errstring(ldb, "extended_dn_out: extended_ctrl was of the wrong data type");
return LDB_ERR_PROTOCOL_ERROR;
}
}
ac = talloc_zero(req, struct extended_search_context);
if (ac == NULL) {
- ldb_oom(ldb_module_get_ctx(module));
+ ldb_oom(ldb);
return LDB_ERR_OPERATIONS_ERROR;
}
ac->module = module;
- ac->schema = dsdb_get_schema(ldb_module_get_ctx(module));
+ ac->schema = dsdb_get_schema(ldb);
ac->req = req;
ac->inject = false;
ac->remove_guid = false;
if (ac->remove_guid || ac->remove_sid) {
new_attrs = copy_attrs(ac, req->op.search.attrs);
if (new_attrs == NULL) {
- ldb_oom(ldb_module_get_ctx(module));
+ ldb_oom(ldb);
return LDB_ERR_OPERATIONS_ERROR;
}
}
ret = ldb_build_search_req_ex(&down_req,
- ldb_module_get_ctx(module), ac,
+ ldb, ac,
req->op.search.base,
req->op.search.scope,
req->op.search.tree,
const_attrs,
req->controls,
- ac, extended_callback,
+ ac, callback,
req);
if (ret != LDB_SUCCESS) {
return ret;
}
- /* Remove extended DN and storage format controls */
-
+ /* mark extended DN and storage format controls as done */
if (control) {
- /* save it locally and remove it from the list */
- /* we do not need to replace them later as we
- * are keeping the original req intact */
- if (!save_controls(control, down_req, &saved_controls)) {
- return LDB_ERR_OPERATIONS_ERROR;
- }
+ control->critical = 0;
}
if (storage_format_control) {
- /* save it locally and remove it from the list */
- /* we do not need to replace them later as we
- * are keeping the original req intact */
- if (!save_controls(storage_format_control, down_req, &saved_controls)) {
- return LDB_ERR_OPERATIONS_ERROR;
- }
+ storage_format_control->critical = 0;
}
/* Add in dereference control, if we were asked to, we are
return ldb_next_request(module, down_req);
}
+static int extended_dn_out_ldb_search(struct ldb_module *module, struct ldb_request *req)
+{
+ return extended_dn_out_search(module, req, extended_callback_ldb);
+}
+
+static int extended_dn_out_openldap_search(struct ldb_module *module, struct ldb_request *req)
+{
+ return extended_dn_out_search(module, req, extended_callback_openldap);
+}
+
+static int extended_dn_out_fds_search(struct ldb_module *module, struct ldb_request *req)
+{
+ return extended_dn_out_search(module, req, extended_callback_fds);
+}
+
static int extended_dn_out_ldb_init(struct ldb_module *module)
{
int ret;
struct extended_dn_out_private *p = talloc(module, struct extended_dn_out_private);
+ struct dsdb_extended_dn_store_format *dn_format;
ldb_module_set_private(module, p);
return LDB_ERR_OPERATIONS_ERROR;
}
+ dn_format = talloc(p, struct dsdb_extended_dn_store_format);
+ if (!dn_format) {
+ talloc_free(p);
+ ldb_oom(ldb_module_get_ctx(module));
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ dn_format->store_extended_dn_in_ldb = true;
+ ret = ldb_set_opaque(ldb_module_get_ctx(module), DSDB_EXTENDED_DN_STORE_FORMAT_OPAQUE_NAME, dn_format);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(p);
+ return ret;
+ }
+
p->dereference = false;
p->normalise = false;
return ldb_next_init(module);
}
-static int extended_dn_out_dereference_init(struct ldb_module *module)
+static int extended_dn_out_dereference_init(struct ldb_module *module, const char *attrs[])
{
int ret, i = 0;
struct extended_dn_out_private *p = talloc_zero(module, struct extended_dn_out_private);
+ struct dsdb_extended_dn_store_format *dn_format;
struct dsdb_openldap_dereference_control *dereference_control;
struct dsdb_attribute *cur;
-
+ struct ldb_context *ldb = ldb_module_get_ctx(module);
struct dsdb_schema *schema;
ldb_module_set_private(module, p);
if (!p) {
+ ldb_oom(ldb);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ dn_format = talloc(p, struct dsdb_extended_dn_store_format);
+ if (!dn_format) {
+ talloc_free(p);
ldb_oom(ldb_module_get_ctx(module));
return LDB_ERR_OPERATIONS_ERROR;
}
+ dn_format->store_extended_dn_in_ldb = false;
+
+ ret = ldb_set_opaque(ldb_module_get_ctx(module), DSDB_EXTENDED_DN_STORE_FORMAT_OPAQUE_NAME, dn_format);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(p);
+ return ret;
+ }
+
p->dereference = true;
/* At the moment, servers that need dereference also need the
ret = ldb_mod_register_control(module, LDB_CONTROL_EXTENDED_DN_OID);
if (ret != LDB_SUCCESS) {
- ldb_debug(ldb_module_get_ctx(module), LDB_DEBUG_ERROR,
+ ldb_debug(ldb, LDB_DEBUG_ERROR,
"extended_dn_out: Unable to register control with rootdse!\n");
return LDB_ERR_OPERATIONS_ERROR;
}
return ret;
}
- schema = dsdb_get_schema(ldb_module_get_ctx(module));
+ schema = dsdb_get_schema(ldb);
if (!schema) {
/* No schema on this DB (yet) */
return LDB_SUCCESS;
= talloc_zero(p, struct dsdb_openldap_dereference_control);
if (!p->dereference_control) {
- ldb_oom(ldb_module_get_ctx(module));
+ ldb_oom(ldb);
return LDB_ERR_OPERATIONS_ERROR;
}
for (cur = schema->attributes; cur; cur = cur->next) {
- static const char *attrs[] = {
- "entryUUID",
- "objectSID",
- NULL
- };
-
- if (strcmp(cur->syntax->attributeSyntax_oid, "2.5.5.1") != 0 &&
- strcmp(cur->syntax->attributeSyntax_oid, "2.5.5.7") != 0) {
+ if (dsdb_dn_oid_to_format(cur->syntax->ldap_oid) == DSDB_INVALID_DN) {
continue;
}
dereference_control->dereference
= talloc_realloc(p, dereference_control->dereference,
struct dsdb_openldap_dereference *, i + 2);
if (!dereference_control) {
- ldb_oom(ldb_module_get_ctx(module));
+ ldb_oom(ldb);
return LDB_ERR_OPERATIONS_ERROR;
}
dereference_control->dereference[i] = talloc(dereference_control->dereference,
struct dsdb_openldap_dereference);
if (!dereference_control->dereference[i]) {
- ldb_oom(ldb_module_get_ctx(module));
+ ldb_oom(ldb);
return LDB_ERR_OPERATIONS_ERROR;
}
dereference_control->dereference[i]->source_attribute = cur->lDAPDisplayName;
return LDB_SUCCESS;
}
+static int extended_dn_out_openldap_init(struct ldb_module *module)
+{
+ static const char *attrs[] = {
+ "entryUUID",
+ "objectSID",
+ NULL
+ };
+
+ return extended_dn_out_dereference_init(module, attrs);
+}
+
+static int extended_dn_out_fds_init(struct ldb_module *module)
+{
+ static const char *attrs[] = {
+ "nsUniqueId",
+ "objectSID",
+ NULL
+ };
+
+ return extended_dn_out_dereference_init(module, attrs);
+}
+
_PUBLIC_ const struct ldb_module_ops ldb_extended_dn_out_ldb_module_ops = {
.name = "extended_dn_out_ldb",
- .search = extended_dn_out_search,
+ .search = extended_dn_out_ldb_search,
.init_context = extended_dn_out_ldb_init,
};
+_PUBLIC_ const struct ldb_module_ops ldb_extended_dn_out_openldap_module_ops = {
+ .name = "extended_dn_out_openldap",
+ .search = extended_dn_out_openldap_search,
+ .init_context = extended_dn_out_openldap_init,
+};
-_PUBLIC_ const struct ldb_module_ops ldb_extended_dn_out_dereference_module_ops = {
- .name = "extended_dn_out_dereference",
- .search = extended_dn_out_search,
- .init_context = extended_dn_out_dereference_init,
+_PUBLIC_ const struct ldb_module_ops ldb_extended_dn_out_fds_module_ops = {
+ .name = "extended_dn_out_fds",
+ .search = extended_dn_out_fds_search,
+ .init_context = extended_dn_out_fds_init,
};
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