s4:drs split addentry and getncchanges into separate files

These will get quite complex eventually, I think we are better
separating them so the code is a bit easier to follow

1 files changed, 215 insertions, 0 deletions

diff --git a/source4/rpc_server/drsuapi/getncchanges.c b/source4/rpc_server/drsuapi/getncchanges.c
new file mode 100644
index 0000000000..25221d41b5
--- /dev/null
+++ b/source4/rpc_server/drsuapi/getncchanges.c
@@ -0,0 +1,215 @@
+/* 
+   Unix SMB/CIFS implementation.
+
+   implement the DRSUpdateRefs call
+
+   Copyright (C) Anatoliy Atanasov 2009
+   Copyright (C) Andrew Tridgell 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
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "librpc/gen_ndr/ndr_drsuapi.h"
+#include "rpc_server/dcerpc_server.h"
+#include "rpc_server/common/common.h"
+#include "dsdb/samdb/samdb.h"
+#include "lib/ldb/include/ldb_errors.h"
+#include "param/param.h"
+#include "librpc/gen_ndr/ndr_drsblobs.h"
+#include "auth/auth.h"
+#include "rpc_server/drsuapi/dcesrv_drsuapi.h"
+
+/* 
+  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_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) {
+		return WERR_FOOBAR;
+	}
+
+	/* Check request revision. */
+	if (r->in.level != 8) {
+		return WERR_REVISION_MISMATCH;
+	}
+
+        /* Perform access checks. */
+	if (r->in.req->req8.naming_context == NULL) {
+		return WERR_DS_DRA_INVALID_PARAMETER;
+	}
+
+	ncRoot = r->in.req->req8.naming_context;
+	if (ncRoot == NULL) {
+		return WERR_DS_DRA_BAD_NC;
+	}
+
+	DEBUG(4,("DsGetNSChanges with uSHChanged >= %llu\n", 
+		 (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_SCOPE_SUBTREE, NULL,
+					      "(&(uSNChanged>=%llu)(objectClass=*))", 
+					      (unsigned long long)r->in.req->req8.highwatermark.highest_usn);
+	if (ret != LDB_SUCCESS) {
+		return WERR_DS_DRA_INTERNAL_ERROR;
+	}
+
+	*r->out.level_out = 6;
+	r->out.ctr->ctr6.naming_context = talloc(mem_ctx, struct drsuapi_DsReplicaObjectIdentifier);
+	*r->out.ctr->ctr6.naming_context = *ncRoot;
+	/* TODO: linked attributes*/
+	r->out.ctr->ctr6.linked_attributes_count = 0;
+	r->out.ctr->ctr6.linked_attributes = NULL;
+
+	r->out.ctr->ctr6.object_count = 0;
+	r->out.ctr->ctr6.more_data = false;
+	r->out.ctr->ctr6.uptodateness_vector = NULL;
+
+	/* Prefix mapping */
+	schema = dsdb_get_schema(b_state->sam_ctx);
+	if (!schema) {
+		DEBUG(0,("No schema in b_state->sam_ctx"));
+	}
+
+	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.old_highwatermark = r->in.req->req8.highwatermark;
+	r->out.ctr->ctr6.new_highwatermark = r->in.req->req8.highwatermark;
+
+	r->out.ctr->ctr6.first_object = talloc(mem_ctx, struct drsuapi_DsReplicaObjectListItemEx);
+	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);
+		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;
+		}
+		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;
+		}
+		currentObject->next_object = talloc(mem_ctx, struct drsuapi_DsReplicaObjectListItemEx);
+		currentObject = currentObject->next_object;
+	}
+
+	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->count = 1;
+	r->out.ctr->ctr6.uptodateness_vector->reserved1 = 0;
+	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].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;
+
+	return WERR_OK;
+}