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authorAndrew Tridgell <tridge@samba.org>2009-09-09 21:26:17 +1000
committerAndrew Tridgell <tridge@samba.org>2009-09-09 21:26:17 +1000
commite595ba2105bcf81004c7255f38604df52bed779a (patch)
tree8b5ef5535cb6f9b076996d86b470bb8984c106d4 /source4
parent9721b1b7c0599e0fd2c49c07c3c69ed0fd76b343 (diff)
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s4/drs: broke out the core of the getncchanges code
It is easier to understand without the heavy nesting
Diffstat (limited to 'source4')
-rw-r--r--source4/rpc_server/drsuapi/getncchanges.c177
1 files changed, 96 insertions, 81 deletions
diff --git a/source4/rpc_server/drsuapi/getncchanges.c b/source4/rpc_server/drsuapi/getncchanges.c
index 25221d41b5..044714100a 100644
--- a/source4/rpc_server/drsuapi/getncchanges.c
+++ b/source4/rpc_server/drsuapi/getncchanges.c
@@ -34,37 +34,103 @@
/*
drsuapi_DsGetNCChanges
*/
+static WERROR get_nc_changes_build_object(struct drsuapi_DsReplicaObjectListItemEx *obj,
+ struct ldb_message *msg,
+ struct ldb_context *sam_ctx,
+ struct ldb_dn *ncRoot_dn,
+ struct dsdb_schema *schema)
+{
+ const struct ldb_val *md_value;
+ int i;
+ struct ldb_dn *obj_dn;
+
+ if (ldb_dn_compare(ncRoot_dn, msg->dn) == 0) {
+ obj->is_nc_prefix = true;
+ obj->parent_object_guid = NULL;
+ } else {
+ obj->is_nc_prefix = false;
+ obj->parent_object_guid = talloc(obj, struct GUID);
+ *obj->parent_object_guid = samdb_result_guid(msg, "parentGUID");
+ }
+ obj->next_object = NULL;
+
+ obj->meta_data_ctr = talloc(obj, struct drsuapi_DsReplicaMetaDataCtr);
+ md_value = ldb_msg_find_ldb_val(msg, "replPropertyMetaData");
+ if (md_value) {
+ struct replPropertyMetaDataBlob md;
+ enum ndr_err_code ndr_err;
+ ndr_err = ndr_pull_struct_blob(md_value, obj,
+ lp_iconv_convenience(ldb_get_opaque(sam_ctx, "loadparm")), &md,
+ (ndr_pull_flags_fn_t)ndr_pull_replPropertyMetaDataBlob);
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ return WERR_DS_DRA_INTERNAL_ERROR;
+ }
+
+ if (md.version != 1) {
+ return WERR_DS_DRA_INTERNAL_ERROR;
+ }
+
+ obj->meta_data_ctr->count = md.ctr.ctr1.count;
+ obj->meta_data_ctr->meta_data = talloc_array(obj, struct drsuapi_DsReplicaMetaData, md.ctr.ctr1.count);
+ for (i=0; i<md.ctr.ctr1.count; i++) {
+ obj->meta_data_ctr->meta_data[i].originating_change_time = md.ctr.ctr1.array[i].originating_change_time;
+ obj->meta_data_ctr->meta_data[i].version = md.ctr.ctr1.array[i].version;
+ obj->meta_data_ctr->meta_data[i].originating_invocation_id = md.ctr.ctr1.array[i].originating_invocation_id;
+ obj->meta_data_ctr->meta_data[i].originating_usn = md.ctr.ctr1.array[i].originating_usn;
+ }
+ } else {
+ obj->meta_data_ctr->meta_data = talloc(obj, struct drsuapi_DsReplicaMetaData);
+ obj->meta_data_ctr->count = 0;
+ }
+ 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 = GUID_zero();
+ ZERO_STRUCT(obj->object.identifier->sid);
+
+ obj->object.attribute_ctr.num_attributes = msg->num_elements;
+ /* Exclude non-replicate attributes from the responce.*/
+ for (i=0; i<msg->num_elements; i++) {
+ const struct dsdb_attribute *sa;
+ sa = dsdb_attribute_by_lDAPDisplayName(schema, msg->elements[i].name);
+ if (sa && sa->systemFlags & SYSTEM_FLAG_CR_NTDS_NC) {
+ ldb_msg_remove_attr(msg, msg->elements[i].name);
+ obj->object.attribute_ctr.num_attributes--;
+ }
+ }
+ obj->object.attribute_ctr.attributes = talloc_array(obj, struct drsuapi_DsReplicaAttribute,
+ obj->object.attribute_ctr.num_attributes);
+ for (i=0; i<obj->object.attribute_ctr.num_attributes; i++) {
+ dsdb_attribute_ldb_to_drsuapi(sam_ctx, schema,&msg->elements[i], obj,
+ &obj->object.attribute_ctr.attributes[i]);
+ }
+
+ return WERR_OK;
+}
+
+/*
+ drsuapi_DsGetNCChanges
+*/
WERROR dcesrv_drsuapi_DsGetNCChanges(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
struct drsuapi_DsGetNCChanges *r)
{
struct ldb_result *site_res;
struct drsuapi_DsReplicaObjectIdentifier *ncRoot;
- struct drsuapi_bind_state *b_state;
+ struct ldb_context *sam_ctx;
struct ldb_dn *ncRoot_dn;
int ret;
int i;
- int j;
- int uSN;
struct dsdb_schema *schema;
struct drsuapi_DsReplicaOIDMapping_Ctr *ctr;
time_t t = time(NULL);
NTTIME now;
struct drsuapi_DsReplicaObjectListItemEx *currentObject;
- struct dom_sid *zero_sid;
- struct ldb_dn *obj_dn;
- enum ndr_err_code ndr_err;
- const struct ldb_val *md_value;
- struct replPropertyMetaDataBlob md;
- ZERO_STRUCT(md);
- md.version = 1;
- b_state = talloc_zero(mem_ctx, struct drsuapi_bind_state);
- W_ERROR_HAVE_NO_MEMORY(b_state);
- zero_sid = talloc_zero(mem_ctx, struct dom_sid);
+
/*
* connect to the samdb
*/
- b_state->sam_ctx = samdb_connect(b_state, dce_call->event_ctx, dce_call->conn->dce_ctx->lp_ctx, dce_call->conn->auth_state.session_info);
- if (!b_state->sam_ctx) {
+ sam_ctx = samdb_connect(mem_ctx, dce_call->event_ctx, dce_call->conn->dce_ctx->lp_ctx, dce_call->conn->auth_state.session_info);
+ if (!sam_ctx) {
return WERR_FOOBAR;
}
@@ -87,8 +153,8 @@ WERROR dcesrv_drsuapi_DsGetNCChanges(struct dcesrv_call_state *dce_call, TALLOC_
(unsigned long long)r->in.req->req8.highwatermark.highest_usn));
/* Construct response. */
- ncRoot_dn = ldb_dn_new(mem_ctx, b_state->sam_ctx, ncRoot->dn);
- ret = drsuapi_search_with_extended_dn(b_state->sam_ctx, mem_ctx, &site_res,
+ ncRoot_dn = ldb_dn_new(mem_ctx, sam_ctx, ncRoot->dn);
+ ret = drsuapi_search_with_extended_dn(sam_ctx, mem_ctx, &site_res,
ncRoot_dn, LDB_SCOPE_SUBTREE, NULL,
"(&(uSNChanged>=%llu)(objectClass=*))",
(unsigned long long)r->in.req->req8.highwatermark.highest_usn);
@@ -108,16 +174,17 @@ WERROR dcesrv_drsuapi_DsGetNCChanges(struct dcesrv_call_state *dce_call, TALLOC_
r->out.ctr->ctr6.uptodateness_vector = NULL;
/* Prefix mapping */
- schema = dsdb_get_schema(b_state->sam_ctx);
+ schema = dsdb_get_schema(sam_ctx);
if (!schema) {
- DEBUG(0,("No schema in b_state->sam_ctx"));
+ DEBUG(0,("No schema in sam_ctx\n"));
+ return WERR_DS_DRA_INTERNAL_ERROR;
}
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(b_state->sam_ctx));
- r->out.ctr->ctr6.source_dsa_invocation_id = *(samdb_ntds_invocation_id(b_state->sam_ctx));
+ r->out.ctr->ctr6.source_dsa_guid = *(samdb_ntds_objectGUID(sam_ctx));
+ r->out.ctr->ctr6.source_dsa_invocation_id = *(samdb_ntds_invocation_id(sam_ctx));
r->out.ctr->ctr6.old_highwatermark = r->in.req->req8.highwatermark;
r->out.ctr->ctr6.new_highwatermark = r->in.req->req8.highwatermark;
@@ -126,71 +193,19 @@ WERROR dcesrv_drsuapi_DsGetNCChanges(struct dcesrv_call_state *dce_call, TALLOC_
currentObject = r->out.ctr->ctr6.first_object;
for(i=0; i<site_res->count; i++) {
- uSN = ldb_msg_find_attr_as_int(site_res->msgs[i],"uSNChanged", -1);
+ int uSN;
+ WERROR werr;
+
+ uSN = ldb_msg_find_attr_as_int(site_res->msgs[i], "uSNChanged", -1);
r->out.ctr->ctr6.object_count++;
if (uSN > r->out.ctr->ctr6.new_highwatermark.highest_usn) {
r->out.ctr->ctr6.new_highwatermark.highest_usn = uSN;
}
- if (ldb_dn_compare(ncRoot_dn, site_res->msgs[i]->dn) == 0) {
- currentObject->is_nc_prefix = true;
- currentObject->parent_object_guid = NULL;
- } else {
- currentObject->is_nc_prefix = false;
- currentObject->parent_object_guid = talloc(mem_ctx, struct GUID);
- *currentObject->parent_object_guid = samdb_result_guid(site_res->msgs[i], "parentGUID");
- }
- currentObject->next_object = NULL;
-
- currentObject->meta_data_ctr = talloc(mem_ctx, struct drsuapi_DsReplicaMetaDataCtr);
- md_value = ldb_msg_find_ldb_val(site_res->msgs[i], "replPropertyMetaData");
- if (md_value) {
- ndr_err = ndr_pull_struct_blob(md_value, mem_ctx,
- lp_iconv_convenience(ldb_get_opaque(b_state->sam_ctx, "loadparm")), &md,
- (ndr_pull_flags_fn_t)ndr_pull_replPropertyMetaDataBlob);
- if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
- return WERR_DS_DRA_INTERNAL_ERROR;
- }
-
- if (md.version != 1) {
- return WERR_DS_DRA_INTERNAL_ERROR;
- }
-
- currentObject->meta_data_ctr->count = md.ctr.ctr1.count;
- currentObject->meta_data_ctr->meta_data = talloc_array(mem_ctx, struct drsuapi_DsReplicaMetaData, md.ctr.ctr1.count);
- for (j=0; j<md.ctr.ctr1.count; j++) {
- currentObject->meta_data_ctr->meta_data[j].originating_change_time = md.ctr.ctr1.array[j].originating_change_time;
- currentObject->meta_data_ctr->meta_data[j].version = md.ctr.ctr1.array[j].version;
- currentObject->meta_data_ctr->meta_data[j].originating_invocation_id = md.ctr.ctr1.array[j].originating_invocation_id;
- currentObject->meta_data_ctr->meta_data[j].originating_usn = md.ctr.ctr1.array[j].originating_usn;
- }
- } else {
- currentObject->meta_data_ctr->meta_data = talloc(mem_ctx, struct drsuapi_DsReplicaMetaData);
- currentObject->meta_data_ctr->count = 0;
+ werr = get_nc_changes_build_object(currentObject, site_res->msgs[i], sam_ctx, ncRoot_dn, schema);
+ if (!W_ERROR_IS_OK(werr)) {
+ return werr;
}
- currentObject->object.identifier = talloc(mem_ctx, struct drsuapi_DsReplicaObjectIdentifier);
- obj_dn = ldb_msg_find_attr_as_dn(b_state->sam_ctx, mem_ctx, site_res->msgs[i], "distinguishedName");
- currentObject->object.identifier->dn = ldb_dn_get_linearized(obj_dn);
- currentObject->object.identifier->guid = GUID_zero();
- currentObject->object.identifier->sid = *zero_sid;
-
- currentObject->object.attribute_ctr.num_attributes = site_res->msgs[i]->num_elements;
- /* Exclude non-replicate attributes from the responce.*/
- for (j=0; j<site_res->msgs[i]->num_elements; j++) {
- const struct dsdb_attribute *sa;
- sa = dsdb_attribute_by_lDAPDisplayName(schema, site_res->msgs[i]->elements[j].name);
- if (sa && sa->systemFlags & SYSTEM_FLAG_CR_NTDS_NC) {
- ldb_msg_remove_attr(site_res->msgs[i], site_res->msgs[i]->elements[j].name);
- currentObject->object.attribute_ctr.num_attributes--;
- }
- }
- currentObject->object.attribute_ctr.attributes = talloc_array(mem_ctx, struct drsuapi_DsReplicaAttribute,
- currentObject->object.attribute_ctr.num_attributes);
- for (j=0; j<currentObject->object.attribute_ctr.num_attributes; j++) {
- dsdb_attribute_ldb_to_drsuapi(b_state->sam_ctx, schema,&site_res->msgs[i]->elements[j], mem_ctx,
- &currentObject->object.attribute_ctr.attributes[j]);
- }
-
if (i == (site_res->count-1)) {
break;
}
@@ -206,7 +221,7 @@ WERROR dcesrv_drsuapi_DsGetNCChanges(struct dcesrv_call_state *dce_call, TALLOC_
r->out.ctr->ctr6.uptodateness_vector->reserved2 = 0;
r->out.ctr->ctr6.uptodateness_vector->cursors = talloc(mem_ctx, struct drsuapi_DsReplicaCursor2);
- r->out.ctr->ctr6.uptodateness_vector->cursors[0].source_dsa_invocation_id = *(samdb_ntds_invocation_id(b_state->sam_ctx));
+ r->out.ctr->ctr6.uptodateness_vector->cursors[0].source_dsa_invocation_id = *(samdb_ntds_invocation_id(sam_ctx));
r->out.ctr->ctr6.uptodateness_vector->cursors[0].highest_usn = r->out.ctr->ctr6.new_highwatermark.highest_usn;
unix_to_nt_time(&now, t);
r->out.ctr->ctr6.uptodateness_vector->cursors[0].last_sync_success = now;