*/
#include "includes.h"
-#include "librpc/gen_ndr/ndr_drsuapi.h"
#include "rpc_server/dcerpc_server.h"
#include "dsdb/samdb/samdb.h"
#include "param/param.h"
#include "librpc/gen_ndr/ndr_drsblobs.h"
-#include "auth/auth.h"
+#include "librpc/gen_ndr/ndr_drsuapi.h"
#include "rpc_server/drsuapi/dcesrv_drsuapi.h"
#include "rpc_server/dcerpc_server_proto.h"
#include "../libcli/drsuapi/drsuapi.h"
#include "libcli/security/security.h"
+#include "lib/util/binsearch.h"
+
+/*
+ build a DsReplicaObjectIdentifier from a ldb msg
+ */
+static struct drsuapi_DsReplicaObjectIdentifier *get_object_identifier(TALLOC_CTX *mem_ctx,
+ struct ldb_message *msg)
+{
+ struct drsuapi_DsReplicaObjectIdentifier *identifier;
+ struct dom_sid *sid;
+
+ identifier = talloc(mem_ctx, struct drsuapi_DsReplicaObjectIdentifier);
+ if (identifier == NULL) {
+ return NULL;
+ }
+
+ identifier->dn = ldb_dn_alloc_linearized(identifier, msg->dn);
+ identifier->guid = samdb_result_guid(msg, "objectGUID");
+
+ sid = samdb_result_dom_sid(identifier, msg, "objectSid");
+ if (sid) {
+ identifier->sid = *sid;
+ } else {
+ ZERO_STRUCT(identifier->sid);
+ }
+ return identifier;
+}
+
+static int udv_compare(const struct GUID *guid1, struct GUID guid2)
+{
+ return GUID_compare(guid1, &guid2);
+}
+
+/*
+ see if we can filter an attribute using the uptodateness_vector
+ */
+static bool udv_filter(const struct drsuapi_DsReplicaCursorCtrEx *udv,
+ const struct GUID *originating_invocation_id,
+ uint64_t originating_usn)
+{
+ const struct drsuapi_DsReplicaCursor *c;
+ if (udv == NULL) return false;
+ BINARY_ARRAY_SEARCH(udv->cursors, udv->count, source_dsa_invocation_id,
+ originating_invocation_id, udv_compare, c);
+ if (c && originating_usn <= c->highest_usn) {
+ return true;
+ }
+ return false;
+
+}
/*
drsuapi_DsGetNCChanges for one object
struct dsdb_schema *schema,
DATA_BLOB *session_key,
uint64_t highest_usn,
- uint32_t replica_flags)
+ uint32_t replica_flags,
+ struct drsuapi_DsReplicaCursorCtrEx *uptodateness_vector)
{
const struct ldb_val *md_value;
int i, n;
- struct ldb_dn *obj_dn;
struct replPropertyMetaDataBlob md;
- struct dom_sid *sid;
uint32_t rid = 0;
enum ndr_err_code ndr_err;
uint32_t *attids;
obj->is_nc_prefix = true;
obj->parent_object_guid = NULL;
} else {
- struct ldb_dn *parent_dn;
- uint32_t instance_type;
-
- instance_type = ldb_msg_find_attr_as_uint(msg, "instanceType", 0);
- if (instance_type & INSTANCE_TYPE_IS_NC_HEAD) {
- struct ldb_result *res;
- int ret;
- char *dnstr = ldb_dn_get_linearized(msg->dn);
- msg->dn = ldb_dn_new(msg, sam_ctx, dnstr);
- /* we need to re-search the msg, to avoid the
- * broken dual message problems with our
- * partitions implementation */
- DEBUG(6,(__location__ ": Re-fetching subref %s\n",
- ldb_dn_get_linearized(msg->dn)));
- ret = drsuapi_search_with_extended_dn(sam_ctx, msg, &res,
- msg->dn, LDB_SCOPE_BASE, NULL,
- NULL, NULL);
- if (ret != LDB_SUCCESS || res->count < 1) {
- DEBUG(0,(__location__ ": Failed to reload subref head %s in %s\n",
- ldb_dn_get_linearized(msg->dn), ldb_dn_get_linearized(ncRoot_dn)));
- return WERR_DS_DRA_INTERNAL_ERROR;
- }
- msg = res->msgs[0];
- }
-
- parent_dn = ldb_dn_copy(msg, msg->dn);
obj->is_nc_prefix = false;
obj->parent_object_guid = talloc(obj, struct GUID);
- if (parent_dn == NULL) {
+ if (obj->parent_object_guid == NULL) {
return WERR_DS_DRA_INTERNAL_ERROR;
}
- if (ldb_dn_remove_child_components(parent_dn, 1) != true) {
- DEBUG(0,(__location__ ": Unable to remove DN component\n"));
+ *obj->parent_object_guid = samdb_result_guid(msg, "parentGUID");
+ if (GUID_all_zero(obj->parent_object_guid)) {
+ DEBUG(0,(__location__ ": missing parentGUID for %s\n",
+ ldb_dn_get_linearized(msg->dn)));
return WERR_DS_DRA_INTERNAL_ERROR;
}
- if (dsdb_find_guid_by_dn(sam_ctx, parent_dn, obj->parent_object_guid) != LDB_SUCCESS) {
- DEBUG(0,(__location__ ": Unable to find parent DN %s %s\n",
- ldb_dn_get_linearized(msg->dn), ldb_dn_get_linearized(parent_dn)));
- }
- talloc_free(parent_dn);
}
obj->next_object = NULL;
obj->meta_data_ctr = talloc(obj, struct drsuapi_DsReplicaMetaDataCtr);
attids = talloc_array(obj, uint32_t, md.ctr.ctr1.count);
+
+ obj->object.identifier = get_object_identifier(obj, msg);
+ if (obj->object.identifier == NULL) {
+ return WERR_NOMEM;
+ }
+ dom_sid_split_rid(NULL, &obj->object.identifier->sid, NULL, &rid);
obj->meta_data_ctr->meta_data = talloc_array(obj, struct drsuapi_DsReplicaMetaData, md.ctr.ctr1.count);
for (n=i=0; i<md.ctr.ctr1.count; i++) {
+ const struct dsdb_attribute *sa;
/* if the attribute has not changed, and it is not the
instanceType then don't include it */
if (md.ctr.ctr1.array[i].local_usn < highest_usn &&
md.ctr.ctr1.array[i].attid != DRSUAPI_ATTRIBUTE_instanceType) continue;
+
/* don't include the rDN */
if (md.ctr.ctr1.array[i].attid == rdn_sa->attributeID_id) continue;
+
+ sa = dsdb_attribute_by_attributeID_id(schema, md.ctr.ctr1.array[i].attid);
+ if (sa->linkID) {
+ struct ldb_message_element *el;
+ el = ldb_msg_find_element(msg, sa->lDAPDisplayName);
+ if (el && el->num_values && dsdb_dn_is_upgraded_link_val(&el->values[0])) {
+ /* don't send upgraded links inline */
+ continue;
+ }
+ }
+
+ /* filter by uptodateness_vector */
+ if (md.ctr.ctr1.array[i].attid != DRSUAPI_ATTRIBUTE_instanceType &&
+ udv_filter(uptodateness_vector,
+ &md.ctr.ctr1.array[i].originating_invocation_id,
+ md.ctr.ctr1.array[i].originating_usn)) {
+ continue;
+ }
+
obj->meta_data_ctr->meta_data[n].originating_change_time = md.ctr.ctr1.array[i].originating_change_time;
obj->meta_data_ctr->meta_data[n].version = md.ctr.ctr1.array[i].version;
obj->meta_data_ctr->meta_data[n].originating_invocation_id = md.ctr.ctr1.array[i].originating_invocation_id;
n++;
}
- /*
- note that if n==0 we still need to send the change, as it
- could be a rename, which changes the uSNChanged, but not any
- of the replicated attributes
- */
+ /* ignore it if its an empty change. Note that renames always
+ * change the 'name' attribute, so they won't be ignored by
+ * this */
+ if (n == 0 ||
+ (n == 1 && attids[0] == DRSUAPI_ATTRIBUTE_instanceType)) {
+ talloc_free(obj->meta_data_ctr);
+ obj->meta_data_ctr = NULL;
+ return WERR_OK;
+ }
obj->meta_data_ctr->count = n;
- obj->object.identifier = talloc(obj, struct drsuapi_DsReplicaObjectIdentifier);
- obj_dn = ldb_msg_find_attr_as_dn(sam_ctx, obj, msg, "distinguishedName");
- obj->object.identifier->dn = ldb_dn_get_linearized(obj_dn);
- obj->object.identifier->guid = samdb_result_guid(msg, "objectGUID");
- sid = samdb_result_dom_sid(obj, msg, "objectSid");
- if (sid) {
- dom_sid_split_rid(NULL, sid, NULL, &rid);
- obj->object.identifier->sid = *sid;
- } else {
- ZERO_STRUCT(obj->object.identifier->sid);
- }
-
obj->object.flags = DRSUAPI_DS_REPLICA_OBJECT_FROM_MASTER;
obj->object.attribute_ctr.num_attributes = obj->meta_data_ctr->count;
obj->object.attribute_ctr.attributes = talloc_array(obj, struct drsuapi_DsReplicaAttribute,
el = ldb_msg_find_element(msg, sa->lDAPDisplayName);
if (el == NULL) {
- DEBUG(0,("No element '%s' for attributeID %u in message\n",
+ /* this happens for attributes that have been removed */
+ DEBUG(5,("No element '%s' for attributeID %u in message\n",
sa->lDAPDisplayName, attids[i]));
ZERO_STRUCT(obj->object.attribute_ctr.attributes[i]);
obj->object.attribute_ctr.attributes[i].attid = attids[i];
sa->lDAPDisplayName, win_errstr(werr)));
return werr;
}
- /* if DRSUAPI_DS_REPLICA_NEIGHBOUR_SPECIAL_SECRET_PROCESSING is set
+ /* if DRSUAPI_DRS_SPECIAL_SECRET_PROCESSING is set
* check if attribute is secret and send a null value
- * TODO: check if we can make this in the database layer
*/
- if ((replica_flags & DRSUAPI_DS_REPLICA_NEIGHBOUR_SPECIAL_SECRET_PROCESSING)
- == DRSUAPI_DS_REPLICA_NEIGHBOUR_SPECIAL_SECRET_PROCESSING) {
+ if (replica_flags & DRSUAPI_DRS_SPECIAL_SECRET_PROCESSING) {
drsuapi_process_secret_attribute(&obj->object.attribute_ctr.attributes[i],
&obj->meta_data_ctr->meta_data[i]);
}
return WERR_OK;
}
+
+/*
+ add one linked attribute from an object to the list of linked
+ attributes in a getncchanges request
+ */
+static WERROR get_nc_changes_add_la(TALLOC_CTX *mem_ctx,
+ struct ldb_context *sam_ctx,
+ const struct dsdb_schema *schema,
+ const struct dsdb_attribute *sa,
+ struct ldb_message *msg,
+ struct dsdb_dn *dsdb_dn,
+ struct drsuapi_DsReplicaLinkedAttribute **la_list,
+ uint32_t *la_count)
+{
+ struct drsuapi_DsReplicaLinkedAttribute *la;
+ bool active;
+ NTSTATUS status;
+ WERROR werr;
+
+ (*la_list) = talloc_realloc(mem_ctx, *la_list, struct drsuapi_DsReplicaLinkedAttribute, (*la_count)+1);
+ W_ERROR_HAVE_NO_MEMORY(*la_list);
+
+ la = &(*la_list)[*la_count];
+
+ la->identifier = get_object_identifier(*la_list, msg);
+ W_ERROR_HAVE_NO_MEMORY(la->identifier);
+
+ active = (dsdb_dn_rmd_flags(dsdb_dn->dn) & DSDB_RMD_FLAG_DELETED) == 0;
+
+ la->attid = sa->attributeID_id;
+ la->flags = active?DRSUAPI_DS_LINKED_ATTRIBUTE_FLAG_ACTIVE:0;
+
+ status = dsdb_get_extended_dn_nttime(dsdb_dn->dn, &la->originating_add_time, "RMD_ADDTIME");
+ if (!NT_STATUS_IS_OK(status)) {
+ return ntstatus_to_werror(status);
+ }
+ status = dsdb_get_extended_dn_uint32(dsdb_dn->dn, &la->meta_data.version, "RMD_VERSION");
+ if (!NT_STATUS_IS_OK(status)) {
+ return ntstatus_to_werror(status);
+ }
+ status = dsdb_get_extended_dn_nttime(dsdb_dn->dn, &la->meta_data.originating_change_time, "RMD_CHANGETIME");
+ if (!NT_STATUS_IS_OK(status)) {
+ return ntstatus_to_werror(status);
+ }
+ status = dsdb_get_extended_dn_guid(dsdb_dn->dn, &la->meta_data.originating_invocation_id, "RMD_INVOCID");
+ if (!NT_STATUS_IS_OK(status)) {
+ return ntstatus_to_werror(status);
+ }
+ status = dsdb_get_extended_dn_uint64(dsdb_dn->dn, &la->meta_data.originating_usn, "RMD_ORIGINATING_USN");
+ if (!NT_STATUS_IS_OK(status)) {
+ return ntstatus_to_werror(status);
+ }
+
+ werr = dsdb_dn_la_to_blob(sam_ctx, sa, schema, *la_list, dsdb_dn, &la->value.blob);
+ W_ERROR_NOT_OK_RETURN(werr);
+
+ (*la_count)++;
+ return WERR_OK;
+}
+
+
+/*
+ add linked attributes from an object to the list of linked
+ attributes in a getncchanges request
+ */
+static WERROR get_nc_changes_add_links(struct ldb_context *sam_ctx,
+ TALLOC_CTX *mem_ctx,
+ struct ldb_dn *ncRoot_dn,
+ struct dsdb_schema *schema,
+ uint64_t highest_usn,
+ uint32_t replica_flags,
+ struct ldb_message *msg,
+ struct drsuapi_DsReplicaLinkedAttribute **la_list,
+ uint32_t *la_count,
+ struct drsuapi_DsReplicaCursorCtrEx *uptodateness_vector)
+{
+ int i;
+ TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
+ uint64_t uSNChanged = ldb_msg_find_attr_as_int(msg, "uSNChanged", -1);
+
+ for (i=0; i<msg->num_elements; i++) {
+ struct ldb_message_element *el = &msg->elements[i];
+ const struct dsdb_attribute *sa;
+ int j;
+
+ sa = dsdb_attribute_by_lDAPDisplayName(schema, el->name);
+
+ if (!sa || sa->linkID == 0 || (sa->linkID & 1)) {
+ /* we only want forward links */
+ continue;
+ }
+
+ if (el->num_values && !dsdb_dn_is_upgraded_link_val(&el->values[0])) {
+ /* its an old style link, it will have been
+ * sent in the main replication data */
+ continue;
+ }
+
+ for (j=0; j<el->num_values; j++) {
+ struct dsdb_dn *dsdb_dn;
+ uint64_t local_usn;
+ NTSTATUS status;
+ WERROR werr;
+
+ dsdb_dn = dsdb_dn_parse(tmp_ctx, sam_ctx, &el->values[j], sa->syntax->ldap_oid);
+ if (dsdb_dn == NULL) {
+ DEBUG(1,(__location__ ": Failed to parse DN for %s in %s\n",
+ el->name, ldb_dn_get_linearized(msg->dn)));
+ talloc_free(tmp_ctx);
+ return WERR_DS_DRA_INTERNAL_ERROR;
+ }
+
+ status = dsdb_get_extended_dn_uint64(dsdb_dn->dn, &local_usn, "RMD_LOCAL_USN");
+ if (!NT_STATUS_IS_OK(status)) {
+ /* this can happen for attributes
+ given to us with old style meta
+ data */
+ continue;
+ }
+
+ if (local_usn > uSNChanged) {
+ DEBUG(1,(__location__ ": uSNChanged less than RMD_LOCAL_USN for %s on %s\n",
+ el->name, ldb_dn_get_linearized(msg->dn)));
+ talloc_free(tmp_ctx);
+ return WERR_DS_DRA_INTERNAL_ERROR;
+ }
+
+ if (local_usn < highest_usn) {
+ continue;
+ }
+
+ werr = get_nc_changes_add_la(mem_ctx, sam_ctx, schema, sa, msg,
+ dsdb_dn, la_list, la_count);
+ if (!W_ERROR_IS_OK(werr)) {
+ talloc_free(tmp_ctx);
+ return werr;
+ }
+ }
+ }
+
+ talloc_free(tmp_ctx);
+ return WERR_OK;
+}
+
/*
load replUpToDateVector from a DN
*/
*/
static WERROR get_nc_changes_udv(struct ldb_context *sam_ctx,
struct ldb_dn *ncRoot_dn,
- struct drsuapi_DsReplicaCursor2CtrEx *udv)
+ struct drsuapi_DsReplicaCursor2CtrEx *udv,
+ uint64_t highestUSN)
{
WERROR werr;
struct drsuapi_DsReplicaCursor2 *tmp_cursor;
- uint64_t highest_commited_usn;
NTTIME now;
time_t t = time(NULL);
- int ret;
struct replUpToDateVectorBlob ouv;
+ int i;
werr = load_udv(sam_ctx, udv, ncRoot_dn, &ouv);
if (!W_ERROR_IS_OK(werr)) {
return werr;
}
- ret = ldb_sequence_number(sam_ctx, LDB_SEQ_HIGHEST_SEQ, &highest_commited_usn);
- if (ret != LDB_SUCCESS) {
- return WERR_DS_DRA_INTERNAL_ERROR;
- }
-
tmp_cursor = talloc(udv, struct drsuapi_DsReplicaCursor2);
tmp_cursor->source_dsa_invocation_id = *(samdb_ntds_invocation_id(sam_ctx));
- tmp_cursor->highest_usn = highest_commited_usn;
+ tmp_cursor->highest_usn = highestUSN;
unix_to_nt_time(&now, t);
tmp_cursor->last_sync_success = now;
- udv->count = ouv.ctr.ctr2.count + 1;
+ udv->count = ouv.ctr.ctr2.count;
udv->cursors = talloc_steal(udv, ouv.ctr.ctr2.cursors);
- udv->cursors = talloc_realloc(udv, udv->cursors, struct drsuapi_DsReplicaCursor2, udv->count);
- if (!udv->cursors) {
- return WERR_DS_DRA_INTERNAL_ERROR;
+
+ for (i=0; i<udv->count; i++) {
+ if (GUID_equal(&tmp_cursor->source_dsa_invocation_id,
+ &udv->cursors[i].source_dsa_invocation_id)) {
+ udv->cursors[i] = *tmp_cursor;
+ break;
+ }
+ }
+ if (i == udv->count) {
+ udv->cursors = talloc_realloc(udv, udv->cursors, struct drsuapi_DsReplicaCursor2, udv->count+1);
+ if (!udv->cursors) {
+ return WERR_DS_DRA_INTERNAL_ERROR;
+ }
+ udv->cursors[udv->count] = *tmp_cursor;
+ udv->count++;
}
- udv->cursors[udv->count - 1] = *tmp_cursor;
qsort(udv->cursors, udv->count,
sizeof(struct drsuapi_DsReplicaCursor2),
return WERR_OK;
}
+
+/* comparison function for linked attributes - see CompareLinks() in
+ * MS-DRSR section 4.1.10.5.17 */
+static int linked_attribute_compare(const struct drsuapi_DsReplicaLinkedAttribute *la1,
+ const struct drsuapi_DsReplicaLinkedAttribute *la2,
+ struct ldb_context *sam_ctx)
+{
+ int c;
+ WERROR werr;
+ TALLOC_CTX *tmp_ctx;
+ const struct dsdb_schema *schema;
+ const struct dsdb_attribute *schema_attrib;
+ struct dsdb_dn *dn1, *dn2;
+ struct GUID guid1, guid2;
+ NTSTATUS status;
+
+ c = GUID_compare(&la1->identifier->guid,
+ &la2->identifier->guid);
+ if (c != 0) return c;
+
+ if (la1->attid != la2->attid) {
+ return la1->attid < la2->attid? -1:1;
+ }
+
+ if ((la1->flags & DRSUAPI_DS_LINKED_ATTRIBUTE_FLAG_ACTIVE) !=
+ (la2->flags & DRSUAPI_DS_LINKED_ATTRIBUTE_FLAG_ACTIVE)) {
+ return (la1->flags & DRSUAPI_DS_LINKED_ATTRIBUTE_FLAG_ACTIVE)? 1:-1;
+ }
+
+ /* we need to get the target GUIDs to compare */
+ tmp_ctx = talloc_new(sam_ctx);
+
+ schema = dsdb_get_schema(sam_ctx);
+ schema_attrib = dsdb_attribute_by_attributeID_id(schema, la1->attid);
+
+ werr = dsdb_dn_la_from_blob(sam_ctx, schema_attrib, schema, tmp_ctx, la1->value.blob, &dn1);
+ if (!W_ERROR_IS_OK(werr)) {
+ DEBUG(0,(__location__ ": Bad la1 blob in sort\n"));
+ talloc_free(tmp_ctx);
+ return 0;
+ }
+
+ werr = dsdb_dn_la_from_blob(sam_ctx, schema_attrib, schema, tmp_ctx, la2->value.blob, &dn2);
+ if (!W_ERROR_IS_OK(werr)) {
+ DEBUG(0,(__location__ ": Bad la2 blob in sort\n"));
+ talloc_free(tmp_ctx);
+ return 0;
+ }
+
+ status = dsdb_get_extended_dn_guid(dn1->dn, &guid1, "GUID");
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0,(__location__ ": Bad la1 guid in sort\n"));
+ talloc_free(tmp_ctx);
+ return 0;
+ }
+ status = dsdb_get_extended_dn_guid(dn2->dn, &guid2, "GUID");
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0,(__location__ ": Bad la2 guid in sort\n"));
+ talloc_free(tmp_ctx);
+ return 0;
+ }
+
+ talloc_free(tmp_ctx);
+
+ return GUID_compare(&guid1, &guid2);
+}
+
+
+/*
+ sort the objects we send by tree order
+ */
+static int site_res_cmp_parent_order(const struct ldb_message **m1, const struct ldb_message **m2)
+{
+ return ldb_dn_compare((*m2)->dn, (*m1)->dn);
+}
+
+/*
+ sort the objects we send first by uSNChanged
+ */
+static int site_res_cmp_usn_order(const struct ldb_message **m1, const struct ldb_message **m2)
+{
+ unsigned usnchanged1, usnchanged2;
+ unsigned cn1, cn2;
+ cn1 = ldb_dn_get_comp_num((*m1)->dn);
+ cn2 = ldb_dn_get_comp_num((*m2)->dn);
+ if (cn1 != cn2) {
+ return cn1 > cn2 ? 1 : -1;
+ }
+ usnchanged1 = ldb_msg_find_attr_as_uint(*m1, "uSNChanged", 0);
+ usnchanged2 = ldb_msg_find_attr_as_uint(*m2, "uSNChanged", 0);
+ if (usnchanged1 == usnchanged2) {
+ return 0;
+ }
+ return usnchanged1 > usnchanged2 ? 1 : -1;
+}
+
+
+/*
+ handle a DRSUAPI_EXOP_FSMO_RID_ALLOC call
+ */
+static WERROR getncchanges_rid_alloc(struct drsuapi_bind_state *b_state,
+ TALLOC_CTX *mem_ctx,
+ struct drsuapi_DsGetNCChangesRequest8 *req8,
+ struct drsuapi_DsGetNCChangesCtr6 *ctr6)
+{
+ struct ldb_dn *rid_manager_dn, *fsmo_role_dn, *req_dn;
+ int ret;
+ struct ldb_context *ldb = b_state->sam_ctx;
+ struct ldb_result *ext_res;
+ struct ldb_dn *base_dn;
+ struct dsdb_fsmo_extended_op *exop;
+
+ /*
+ steps:
+ - verify that the DN being asked for is the RID Manager DN
+ - verify that we are the RID Manager
+ */
+
+ /* work out who is the RID Manager */
+ ret = samdb_rid_manager_dn(ldb, mem_ctx, &rid_manager_dn);
+ if (ret != LDB_SUCCESS) {
+ DEBUG(0, (__location__ ": Failed to find RID Manager object - %s\n", ldb_errstring(ldb)));
+ return WERR_DS_DRA_INTERNAL_ERROR;
+ }
+
+ req_dn = ldb_dn_new(mem_ctx, ldb, req8->naming_context->dn);
+ if (!req_dn ||
+ !ldb_dn_validate(req_dn) ||
+ ldb_dn_compare(req_dn, rid_manager_dn) != 0) {
+ /* that isn't the RID Manager DN */
+ DEBUG(0,(__location__ ": RID Alloc request for wrong DN %s\n",
+ req8->naming_context->dn));
+ ctr6->extended_ret = DRSUAPI_EXOP_ERR_MISMATCH;
+ return WERR_OK;
+ }
+
+ /* find the DN of the RID Manager */
+ ret = samdb_reference_dn(ldb, mem_ctx, rid_manager_dn, "fSMORoleOwner", &fsmo_role_dn);
+ if (ret != LDB_SUCCESS) {
+ DEBUG(0,(__location__ ": Failed to find fSMORoleOwner in RID Manager object - %s\n",
+ ldb_errstring(ldb)));
+ return WERR_DS_DRA_INTERNAL_ERROR;
+ }
+
+ if (ldb_dn_compare(samdb_ntds_settings_dn(ldb), fsmo_role_dn) != 0) {
+ /* we're not the RID Manager - go away */
+ DEBUG(0,(__location__ ": RID Alloc request when not RID Manager\n"));
+ ctr6->extended_ret = DRSUAPI_EXOP_ERR_FSMO_NOT_OWNER;
+ return WERR_OK;
+ }
+
+ exop = talloc(mem_ctx, struct dsdb_fsmo_extended_op);
+ W_ERROR_HAVE_NO_MEMORY(exop);
+
+ exop->fsmo_info = req8->fsmo_info;
+ exop->destination_dsa_guid = req8->destination_dsa_guid;
+
+ ret = ldb_transaction_start(ldb);
+ if (ret != LDB_SUCCESS) {
+ DEBUG(0,(__location__ ": Failed transaction start - %s\n",
+ ldb_errstring(ldb)));
+ return WERR_DS_DRA_INTERNAL_ERROR;
+ }
+
+ ret = ldb_extended(ldb, DSDB_EXTENDED_ALLOCATE_RID_POOL, exop, &ext_res);
+ if (ret != LDB_SUCCESS) {
+ DEBUG(0,(__location__ ": Failed extended allocation RID pool operation - %s\n",
+ ldb_errstring(ldb)));
+ ldb_transaction_cancel(ldb);
+ return WERR_DS_DRA_INTERNAL_ERROR;
+ }
+
+ ret = ldb_transaction_commit(ldb);
+ if (ret != LDB_SUCCESS) {
+ DEBUG(0,(__location__ ": Failed transaction commit - %s\n",
+ ldb_errstring(ldb)));
+ return WERR_DS_DRA_INTERNAL_ERROR;
+ }
+
+ talloc_free(ext_res);
+
+ base_dn = samdb_base_dn(ldb);
+
+ DEBUG(2,("Allocated RID pool for server %s\n",
+ GUID_string(mem_ctx, &req8->destination_dsa_guid)));
+
+ return WERR_OK;
+}
+
+
+
/* state of a partially completed getncchanges call */
struct drsuapi_getncchanges_state {
struct ldb_result *site_res;
uint32_t num_sent;
- struct ldb_context *sam_ctx;
struct ldb_dn *ncRoot_dn;
- uint32_t min_usn;
+ uint64_t min_usn;
+ uint64_t highest_usn;
+ struct ldb_dn *last_dn;
+ struct drsuapi_DsReplicaLinkedAttribute *la_list;
+ uint32_t la_count;
+ struct drsuapi_DsReplicaCursorCtrEx *uptodateness_vector;
};
/*
drsuapi_DsGetNCChanges
+
+ see MS-DRSR 4.1.10.5.2 for basic logic of this function
*/
WERROR dcesrv_drsuapi_DsGetNCChanges(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
struct drsuapi_DsGetNCChanges *r)
struct drsuapi_DsReplicaObjectListItemEx **currentObject;
NTSTATUS status;
DATA_BLOB session_key;
- const char *attrs[] = { "*", "distinguishedName", NULL };
+ const char *attrs[] = { "*", "distinguishedName",
+ "nTSecurityDescriptor",
+ "parentGUID",
+ "replPropertyMetaData",
+ "unicodePwd",
+ "dBCSPwd",
+ "ntPwdHistory",
+ "lmPwdHistory",
+ "supplementalCredentials",
+ NULL };
WERROR werr;
struct dcesrv_handle *h;
struct drsuapi_bind_state *b_state;
struct drsuapi_getncchanges_state *getnc_state;
+ struct drsuapi_DsGetNCChangesRequest8 *req8;
+ uint32_t options;
+ uint32_t max_objects;
+ struct ldb_dn *search_dn = NULL;
DCESRV_PULL_HANDLE_WERR(h, r->in.bind_handle, DRSUAPI_BIND_HANDLE);
b_state = h->data;
r->out.ctr->ctr6.more_data = false;
r->out.ctr->ctr6.uptodateness_vector = NULL;
- /* Check request revision. */
+ /* a RODC doesn't allow for any replication */
+ if (samdb_rodc(ldb_get_opaque(b_state->sam_ctx, "loadparm"))) {
+ DEBUG(0,(__location__ ": DsGetNCChanges attempt on RODC\n"));
+ return WERR_DS_DRA_SOURCE_DISABLED;
+ }
+
+ /* Check request revision.
+ TODO: Adding mappings to req8 from the other levels
+ */
if (r->in.level != 8) {
+ DEBUG(0,(__location__ ": Request for DsGetNCChanges with unsupported level %u\n",
+ r->in.level));
return WERR_REVISION_MISMATCH;
}
+ req8 = &r->in.req->req8;
+
/* Perform access checks. */
- if (r->in.req->req8.naming_context == NULL) {
+ /* TODO: we need to support a sync on a specific non-root
+ * DN. We'll need to find the real partition root here */
+ ncRoot = req8->naming_context;
+ if (ncRoot == NULL) {
+ DEBUG(0,(__location__ ": Request for DsGetNCChanges with no NC\n"));
return WERR_DS_DRA_INVALID_PARAMETER;
}
- ncRoot = r->in.req->req8.naming_context;
- if (ncRoot == NULL) {
- return WERR_DS_DRA_BAD_NC;
+ if (samdb_ntds_options(b_state->sam_ctx, &options) != LDB_SUCCESS) {
+ return WERR_DS_DRA_INTERNAL_ERROR;
+ }
+
+ if ((options & DS_NTDSDSA_OPT_DISABLE_OUTBOUND_REPL) &&
+ !(req8->replica_flags & DRSUAPI_DRS_SYNC_FORCED)) {
+ return WERR_DS_DRA_SOURCE_DISABLED;
}
- if ((r->in.req->req8.replica_flags & DRSUAPI_DS_REPLICA_NEIGHBOUR_FULL_SYNC_PACKET)
- == DRSUAPI_DS_REPLICA_NEIGHBOUR_FULL_SYNC_PACKET) {
+
+ if (req8->replica_flags & DRSUAPI_DS_REPLICA_NEIGHBOUR_FULL_SYNC_PACKET) {
/* Ignore the _in_ uptpdateness vector*/
- r->in.req->req8.uptodateness_vector = NULL;
+ req8->uptodateness_vector = NULL;
}
werr = drs_security_level_check(dce_call, "DsGetNCChanges");
return werr;
}
+ /* we don't yet support extended operations */
+ switch (req8->extended_op) {
+ case DRSUAPI_EXOP_NONE:
+ break;
+
+ case DRSUAPI_EXOP_FSMO_RID_ALLOC:
+ werr = getncchanges_rid_alloc(b_state, mem_ctx, req8, &r->out.ctr->ctr6);
+ W_ERROR_NOT_OK_RETURN(werr);
+ search_dn = samdb_base_dn(b_state->sam_ctx);
+ break;
+
+ case DRSUAPI_EXOP_FSMO_REQ_ROLE:
+ case DRSUAPI_EXOP_FSMO_RID_REQ_ROLE:
+ case DRSUAPI_EXOP_FSMO_REQ_PDC:
+ case DRSUAPI_EXOP_FSMO_ABANDON_ROLE:
+ case DRSUAPI_EXOP_REPL_OBJ:
+ case DRSUAPI_EXOP_REPL_SECRET:
+ DEBUG(0,(__location__ ": Request for DsGetNCChanges unsupported extended op 0x%x\n",
+ (unsigned)req8->extended_op));
+ return WERR_DS_DRA_NOT_SUPPORTED;
+ }
+
getnc_state = b_state->getncchanges_state;
+
+ /* see if a previous replication has been abandoned */
+ if (getnc_state) {
+ struct ldb_dn *new_dn = ldb_dn_new(getnc_state, b_state->sam_ctx, ncRoot->dn);
+ if (ldb_dn_compare(new_dn, getnc_state->ncRoot_dn) != 0) {
+ DEBUG(0,(__location__ ": DsGetNCChanges 2nd replication on different DN %s %s (last_dn %s)\n",
+ ldb_dn_get_linearized(new_dn),
+ ldb_dn_get_linearized(getnc_state->ncRoot_dn),
+ ldb_dn_get_linearized(getnc_state->last_dn)));
+ talloc_free(getnc_state);
+ getnc_state = NULL;
+ }
+ }
+
if (getnc_state == NULL) {
getnc_state = talloc_zero(b_state, struct drsuapi_getncchanges_state);
if (getnc_state == NULL) {
return WERR_NOMEM;
}
b_state->getncchanges_state = getnc_state;
+ getnc_state->ncRoot_dn = ldb_dn_new(getnc_state, b_state->sam_ctx, ncRoot->dn);
+ }
-
- /*
- * connect to the samdb. TODO: We need to check that the caller
- * has the rights to do this. This exposes all attributes,
- * including all passwords.
- */
- getnc_state->sam_ctx = samdb_connect(getnc_state, dce_call->event_ctx, dce_call->conn->dce_ctx->lp_ctx,
- system_session(getnc_state, dce_call->conn->dce_ctx->lp_ctx));
- if (!getnc_state->sam_ctx) {
- return WERR_FOOBAR;
- }
+ if (!ldb_dn_validate(getnc_state->ncRoot_dn) ||
+ ldb_dn_is_null(getnc_state->ncRoot_dn)) {
+ DEBUG(0,(__location__ ": Bad DN '%s'\n", ncRoot->dn));
+ return WERR_DS_DRA_INVALID_PARAMETER;
}
/* we need the session key for encrypting password attributes */
return WERR_DS_DRA_INTERNAL_ERROR;
}
+ /*
+ TODO: MS-DRSR section 4.1.10.1.1
+ Work out if this is the start of a new cycle */
+
if (getnc_state->site_res == NULL) {
char* search_filter;
enum ldb_scope scope = LDB_SCOPE_SUBTREE;
+ const char *extra_filter;
+
+ extra_filter = lp_parm_string(dce_call->conn->dce_ctx->lp_ctx, NULL, "drs", "object filter");
- getnc_state->min_usn = r->in.req->req8.highwatermark.highest_usn;
+ getnc_state->min_usn = req8->highwatermark.highest_usn;
/* Construct response. */
search_filter = talloc_asprintf(mem_ctx,
"(uSNChanged>=%llu)",
(unsigned long long)(getnc_state->min_usn+1));
-
- if (r->in.req->req8.replica_flags & DRSUAPI_DS_REPLICA_NEIGHBOUR_CRITICAL_ONLY) {
+
+ if (extra_filter) {
+ search_filter = talloc_asprintf(mem_ctx, "(&%s(%s))", search_filter, extra_filter);
+ }
+
+ if (req8->replica_flags & DRSUAPI_DS_REPLICA_NEIGHBOUR_CRITICAL_ONLY) {
search_filter = talloc_asprintf(mem_ctx,
"(&%s(isCriticalSystemObject=TRUE))",
search_filter);
}
- getnc_state->ncRoot_dn = ldb_dn_new(getnc_state, getnc_state->sam_ctx, ncRoot->dn);
- if (r->in.req->req8.replica_flags & DRSUAPI_DS_REPLICA_NEIGHBOUR_ASYNC_REP) {
+ if (req8->replica_flags & DRSUAPI_DS_REPLICA_NEIGHBOUR_ASYNC_REP) {
scope = LDB_SCOPE_BASE;
}
- DEBUG(6,(__location__ ": getncchanges on %s using filter %s\n",
+ if (!search_dn) {
+ search_dn = getnc_state->ncRoot_dn;
+ }
+
+ DEBUG(1,(__location__ ": getncchanges on %s using filter %s\n",
ldb_dn_get_linearized(getnc_state->ncRoot_dn), search_filter));
- ret = drsuapi_search_with_extended_dn(getnc_state->sam_ctx, getnc_state, &getnc_state->site_res,
- getnc_state->ncRoot_dn, scope, attrs,
- "distinguishedName",
+ ret = drsuapi_search_with_extended_dn(b_state->sam_ctx, getnc_state, &getnc_state->site_res,
+ search_dn, scope, attrs,
search_filter);
if (ret != LDB_SUCCESS) {
return WERR_DS_DRA_INTERNAL_ERROR;
}
+
+ if (req8->replica_flags & DRSUAPI_DS_REPLICA_NEIGHBOUR_RETURN_OBJECT_PARENTS) {
+ qsort(getnc_state->site_res->msgs,
+ getnc_state->site_res->count,
+ sizeof(getnc_state->site_res->msgs[0]),
+ (comparison_fn_t)site_res_cmp_parent_order);
+ } else {
+ qsort(getnc_state->site_res->msgs,
+ getnc_state->site_res->count,
+ sizeof(getnc_state->site_res->msgs[0]),
+ (comparison_fn_t)site_res_cmp_usn_order);
+ }
+
+ getnc_state->uptodateness_vector = talloc_steal(getnc_state, req8->uptodateness_vector);
+ if (getnc_state->uptodateness_vector) {
+ /* make sure its sorted */
+ qsort(getnc_state->uptodateness_vector->cursors,
+ getnc_state->uptodateness_vector->count,
+ sizeof(getnc_state->uptodateness_vector->cursors[0]),
+ (comparison_fn_t)drsuapi_DsReplicaCursor_compare);
+ }
}
/* Prefix mapping */
- schema = dsdb_get_schema(getnc_state->sam_ctx);
+ schema = dsdb_get_schema(b_state->sam_ctx);
if (!schema) {
DEBUG(0,("No schema in sam_ctx\n"));
return WERR_DS_DRA_INTERNAL_ERROR;
r->out.ctr->ctr6.naming_context = talloc(mem_ctx, struct drsuapi_DsReplicaObjectIdentifier);
*r->out.ctr->ctr6.naming_context = *ncRoot;
- if (dsdb_find_guid_by_dn(getnc_state->sam_ctx, getnc_state->ncRoot_dn,
+ if (dsdb_find_guid_by_dn(b_state->sam_ctx, getnc_state->ncRoot_dn,
&r->out.ctr->ctr6.naming_context->guid) != LDB_SUCCESS) {
DEBUG(0,(__location__ ": Failed to find GUID of ncRoot_dn %s\n",
ldb_dn_get_linearized(getnc_state->ncRoot_dn)));
}
/* find the SID if there is one */
- dsdb_find_sid_by_dn(getnc_state->sam_ctx, getnc_state->ncRoot_dn, &r->out.ctr->ctr6.naming_context->sid);
+ dsdb_find_sid_by_dn(b_state->sam_ctx, getnc_state->ncRoot_dn, &r->out.ctr->ctr6.naming_context->sid);
dsdb_get_oid_mappings_drsuapi(schema, true, mem_ctx, &ctr);
r->out.ctr->ctr6.mapping_ctr = *ctr;
- r->out.ctr->ctr6.source_dsa_guid = *(samdb_ntds_objectGUID(getnc_state->sam_ctx));
- r->out.ctr->ctr6.source_dsa_invocation_id = *(samdb_ntds_invocation_id(getnc_state->sam_ctx));
+ r->out.ctr->ctr6.source_dsa_guid = *(samdb_ntds_objectGUID(b_state->sam_ctx));
+ r->out.ctr->ctr6.source_dsa_invocation_id = *(samdb_ntds_invocation_id(b_state->sam_ctx));
- r->out.ctr->ctr6.old_highwatermark = r->in.req->req8.highwatermark;
- r->out.ctr->ctr6.new_highwatermark = r->in.req->req8.highwatermark;
+ r->out.ctr->ctr6.old_highwatermark = req8->highwatermark;
+ r->out.ctr->ctr6.new_highwatermark = req8->highwatermark;
r->out.ctr->ctr6.first_object = NULL;
currentObject = &r->out.ctr->ctr6.first_object;
+ /* use this to force single objects at a time, which is useful
+ * for working out what object is giving problems
+ */
+ max_objects = lp_parm_int(dce_call->conn->dce_ctx->lp_ctx, NULL, "drs", "max object sync", 1000);
+ if (req8->max_object_count < max_objects) {
+ max_objects = req8->max_object_count;
+ }
+
for(i=getnc_state->num_sent;
i<getnc_state->site_res->count &&
- (r->out.ctr->ctr6.object_count < r->in.req->req8.max_object_count) &&
- (r->out.ctr->ctr6.object_count < 10);
+ (r->out.ctr->ctr6.object_count < max_objects);
i++) {
int uSN;
struct drsuapi_DsReplicaObjectListItemEx *obj;
+ struct ldb_message *msg = getnc_state->site_res->msgs[i];
+
obj = talloc_zero(mem_ctx, struct drsuapi_DsReplicaObjectListItemEx);
- uSN = ldb_msg_find_attr_as_int(getnc_state->site_res->msgs[i], "uSNChanged", -1);
- if (uSN > r->out.ctr->ctr6.new_highwatermark.tmp_highest_usn) {
- r->out.ctr->ctr6.new_highwatermark.tmp_highest_usn = uSN;
+ werr = get_nc_changes_build_object(obj, msg,
+ b_state->sam_ctx, getnc_state->ncRoot_dn,
+ schema, &session_key, getnc_state->min_usn,
+ req8->replica_flags, getnc_state->uptodateness_vector);
+ if (!W_ERROR_IS_OK(werr)) {
+ return werr;
}
- werr = get_nc_changes_build_object(obj, getnc_state->site_res->msgs[i],
- getnc_state->sam_ctx, getnc_state->ncRoot_dn,
- schema, &session_key, getnc_state->min_usn,
- r->in.req->req8.replica_flags);
+ werr = get_nc_changes_add_links(b_state->sam_ctx, getnc_state,
+ getnc_state->ncRoot_dn,
+ schema, getnc_state->min_usn,
+ req8->replica_flags,
+ msg,
+ &getnc_state->la_list,
+ &getnc_state->la_count,
+ getnc_state->uptodateness_vector);
if (!W_ERROR_IS_OK(werr)) {
return werr;
}
+ uSN = ldb_msg_find_attr_as_int(msg, "uSNChanged", -1);
+ if (uSN > r->out.ctr->ctr6.new_highwatermark.tmp_highest_usn) {
+ r->out.ctr->ctr6.new_highwatermark.tmp_highest_usn = uSN;
+ }
+ if (uSN > getnc_state->highest_usn) {
+ getnc_state->highest_usn = uSN;
+ }
+
if (obj->meta_data_ctr == NULL) {
DEBUG(0,(__location__ ": getncchanges skipping send of object %s\n",
- ldb_dn_get_linearized(getnc_state->site_res->msgs[i]->dn)));
+ ldb_dn_get_linearized(msg->dn)));
/* no attributes to send */
talloc_free(obj);
continue;
*currentObject = obj;
currentObject = &obj->next_object;
+
+ talloc_free(getnc_state->last_dn);
+ getnc_state->last_dn = ldb_dn_copy(getnc_state, msg->dn);
+
+ DEBUG(8,(__location__ ": replicating object %s\n", ldb_dn_get_linearized(msg->dn)));
}
getnc_state->num_sent += r->out.ctr->ctr6.object_count;
r->out.ctr->ctr6.nc_object_count = getnc_state->site_res->count;
+ /* the client can us to call UpdateRefs on its behalf to
+ re-establish monitoring of the NC */
+ if ((req8->replica_flags & DRSUAPI_DRS_ADD_REF) &&
+ !GUID_all_zero(&req8->destination_dsa_guid)) {
+ struct drsuapi_DsReplicaUpdateRefsRequest1 ureq;
+ ureq.naming_context = ncRoot;
+ ureq.dest_dsa_dns_name = talloc_asprintf(mem_ctx, "%s._msdcs.%s",
+ GUID_string(mem_ctx, &req8->destination_dsa_guid),
+ lp_realm(dce_call->conn->dce_ctx->lp_ctx));
+ if (!ureq.dest_dsa_dns_name) {
+ return WERR_NOMEM;
+ }
+ ureq.dest_dsa_guid = req8->destination_dsa_guid;
+ ureq.options = DRSUAPI_DS_REPLICA_UPDATE_ADD_REFERENCE |
+ DRSUAPI_DS_REPLICA_UPDATE_ASYNCHRONOUS_OPERATION |
+ DRSUAPI_DS_REPLICA_UPDATE_GETCHG_CHECK;
+ werr = drsuapi_UpdateRefs(b_state, mem_ctx, &ureq);
+ if (!W_ERROR_IS_OK(werr)) {
+ DEBUG(0,(__location__ ": Failed UpdateRefs in DsGetNCChanges - %s\n",
+ win_errstr(werr)));
+ }
+ }
+
if (i < getnc_state->site_res->count) {
r->out.ctr->ctr6.more_data = true;
} else {
+ r->out.ctr->ctr6.linked_attributes_count = getnc_state->la_count;
+ r->out.ctr->ctr6.linked_attributes = talloc_steal(mem_ctx, getnc_state->la_list);
+
+ ldb_qsort(r->out.ctr->ctr6.linked_attributes, r->out.ctr->ctr6.linked_attributes_count,
+ sizeof(r->out.ctr->ctr6.linked_attributes[0]),
+ b_state->sam_ctx, (ldb_qsort_cmp_fn_t)linked_attribute_compare);
+
r->out.ctr->ctr6.uptodateness_vector = talloc(mem_ctx, struct drsuapi_DsReplicaCursor2CtrEx);
r->out.ctr->ctr6.uptodateness_vector->version = 2;
r->out.ctr->ctr6.uptodateness_vector->reserved1 = 0;
r->out.ctr->ctr6.new_highwatermark.highest_usn = r->out.ctr->ctr6.new_highwatermark.tmp_highest_usn;
- werr = get_nc_changes_udv(getnc_state->sam_ctx, getnc_state->ncRoot_dn,
- r->out.ctr->ctr6.uptodateness_vector);
+ werr = get_nc_changes_udv(b_state->sam_ctx, getnc_state->ncRoot_dn,
+ r->out.ctr->ctr6.uptodateness_vector,
+ getnc_state->highest_usn);
if (!W_ERROR_IS_OK(werr)) {
return werr;
}
b_state->getncchanges_state = NULL;
}
- DEBUG(3,("DsGetNCChanges with uSNChanged >= %llu on %s gave %u objects\n",
- (unsigned long long)(r->in.req->req8.highwatermark.highest_usn+1),
- ncRoot->dn, r->out.ctr->ctr6.object_count));
+ if (req8->extended_op != DRSUAPI_EXOP_NONE) {
+ r->out.ctr->ctr6.uptodateness_vector = NULL;
+ r->out.ctr->ctr6.nc_object_count = 0;
+ ZERO_STRUCT(r->out.ctr->ctr6.new_highwatermark);
+ }
+
+ DEBUG(r->out.ctr->ctr6.more_data?2:1,
+ ("DsGetNCChanges with uSNChanged >= %llu flags 0x%08x on %s gave %u objects (done %d/%d la=%d)\n",
+ (unsigned long long)(req8->highwatermark.highest_usn+1),
+ req8->replica_flags,
+ ncRoot->dn, r->out.ctr->ctr6.object_count,
+ i, r->out.ctr->ctr6.more_data?getnc_state->site_res->count:i,
+ r->out.ctr->ctr6.linked_attributes_count));
+
+#if 0
+ if (!r->out.ctr->ctr6.more_data) {
+ NDR_PRINT_FUNCTION_DEBUG(drsuapi_DsGetNCChanges, NDR_BOTH, r);
+ }
+#endif
return WERR_OK;
}
git.samba.org / ira / wip.git / blobdiff