#include "librpc/gen_ndr/ndr_drsblobs.h"
#include "librpc/gen_ndr/ndr_drsuapi.h"
#include "librpc/gen_ndr/ndr_security.h"
+#include "libcli/security/security.h"
+#include "libcli/security/session.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"
#include "lib/util/tsort.h"
#include "auth/session.h"
uint32_t replica_flags,
struct drsuapi_DsPartialAttributeSet *partial_attribute_set,
struct drsuapi_DsReplicaCursorCtrEx *uptodateness_vector,
- enum drsuapi_DsExtendedOperation extended_op)
+ enum drsuapi_DsExtendedOperation extended_op,
+ bool force_object_return)
{
const struct ldb_val *md_value;
- unsigned int i, n;
+ uint32_t i, n;
struct replPropertyMetaDataBlob md;
uint32_t rid = 0;
enum ndr_err_code ndr_err;
instanceType then don't include it */
if (md.ctr.ctr1.array[i].local_usn < highest_usn &&
extended_op != DRSUAPI_EXOP_REPL_SECRET &&
- md.ctr.ctr1.array[i].attid != DRSUAPI_ATTRIBUTE_instanceType) continue;
+ md.ctr.ctr1.array[i].attid != DRSUAPI_ATTID_instanceType) continue;
/* don't include the rDN */
if (md.ctr.ctr1.array[i].attid == rdn_sa->attributeID_id) continue;
}
/* filter by uptodateness_vector */
- if (md.ctr.ctr1.array[i].attid != DRSUAPI_ATTRIBUTE_instanceType &&
+ if (md.ctr.ctr1.array[i].attid != DRSUAPI_ATTID_instanceType &&
!force_attribute &&
udv_filter(uptodateness_vector,
&md.ctr.ctr1.array[i].originating_invocation_id,
/* ignore it if its an empty change. Note that renames always
* change the 'name' attribute, so they won't be ignored by
- * this */
+ * this
+
+ * the force_object_return check is used to force an empty
+ * object return when we timeout in the getncchanges loop.
+ * This allows us to return an empty object, which keeps the
+ * client happy while preventing timeouts
+ */
if (n == 0 ||
- (n == 1 && attids[0] == DRSUAPI_ATTRIBUTE_instanceType)) {
+ (n == 1 &&
+ attids[0] == DRSUAPI_ATTID_instanceType &&
+ !force_object_return)) {
talloc_free(obj->meta_data_ctr);
obj->meta_data_ctr = NULL;
return WERR_OK;
obj->object.attribute_ctr.num_attributes = obj->meta_data_ctr->count;
obj->object.attribute_ctr.attributes = talloc_array(obj, struct drsuapi_DsReplicaAttribute,
obj->object.attribute_ctr.num_attributes);
+ if (obj->object.attribute_ctr.attributes == NULL) {
+ return WERR_NOMEM;
+ }
/*
* Note that the meta_data array and the attributes array must
return WERR_OK;
}
-
/*
add one linked attribute from an object to the list of linked
attributes in a getncchanges request
active = (dsdb_dn_rmd_flags(dsdb_dn->dn) & DSDB_RMD_FLAG_DELETED) == 0;
+ if (!active) {
+ /* We have to check that the inactive link still point to an existing object */
+ struct GUID guid;
+ struct ldb_dn *tdn;
+ int ret;
+ const char *v;
+
+ v = ldb_msg_find_attr_as_string(msg, "isDeleted", "FALSE");
+ if (strncmp(v, "TRUE", 4) == 0) {
+ /*
+ * Note: we skip the transmition of the deleted link even if the other part used to
+ * know about it because when we transmit the deletion of the object, the link will
+ * be deleted too due to deletion of object where link points and Windows do so.
+ */
+ if (dsdb_functional_level(sam_ctx) >= DS_DOMAIN_FUNCTION_2008_R2) {
+ v = ldb_msg_find_attr_as_string(msg, "isRecycled", "TRUE");
+ /*
+ * On Windows 2008R2 isRecycled is always present even if FL or DL are < FL 2K8R2
+ * if it join an existing domain with deleted objets, it firsts impose to have a
+ * schema with the is-Recycled object and for all deleted objects it adds the isRecycled
+ * either during initial replication or after the getNCChanges.
+ * Behavior of samba has been changed to always have this attribute if it's present in the schema.
+ *
+ * So if FL <2K8R2 isRecycled might be here or not but we don't care, it's meaning less.
+ * If FL >=2K8R2 we are sure that this attribute will be here.
+ * For this kind of forest level we do not return the link if the object is recycled
+ * (isRecycled = true).
+ */
+ if (strncmp(v, "TRUE", 4) == 0) {
+ DEBUG(2, (" object %s is recycled, not returning linked attribute !\n",
+ ldb_dn_get_linearized(msg->dn)));
+ return WERR_OK;
+ }
+ } else {
+ return WERR_OK;
+ }
+ }
+ status = dsdb_get_extended_dn_guid(dsdb_dn->dn, &guid, "GUID");
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0,(__location__ " Unable to extract GUID in linked attribute '%s' in '%s'\n",
+ sa->lDAPDisplayName, ldb_dn_get_linearized(msg->dn)));
+ return ntstatus_to_werror(status);
+ }
+ ret = dsdb_find_dn_by_guid(sam_ctx, mem_ctx, &guid, &tdn);
+ if (ret == LDB_ERR_NO_SUCH_OBJECT) {
+ DEBUG(2, (" Search of guid %s returned 0 objects, skipping it !\n",
+ GUID_string(mem_ctx, &guid)));
+ return WERR_OK;
+ } else if (ret != LDB_SUCCESS) {
+ DEBUG(0, (__location__ " Search of guid %s failed with error code %d\n",
+ GUID_string(mem_ctx, &guid),
+ ret));
+ return WERR_OK;
+ }
+ }
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)) {
+ DEBUG(0,(__location__ " No RMD_VERSION in linked attribute '%s' in '%s'\n",
+ sa->lDAPDisplayName, ldb_dn_get_linearized(msg->dn)));
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)) {
+ DEBUG(0,(__location__ " No RMD_CHANGETIME in linked attribute '%s' in '%s'\n",
+ sa->lDAPDisplayName, ldb_dn_get_linearized(msg->dn)));
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)) {
+ DEBUG(0,(__location__ " No RMD_INVOCID in linked attribute '%s' in '%s'\n",
+ sa->lDAPDisplayName, ldb_dn_get_linearized(msg->dn)));
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)) {
+ DEBUG(0,(__location__ " No RMD_ORIGINATING_USN in linked attribute '%s' in '%s'\n",
+ sa->lDAPDisplayName, ldb_dn_get_linearized(msg->dn)));
return ntstatus_to_werror(status);
}
+ status = dsdb_get_extended_dn_nttime(dsdb_dn->dn, &la->originating_add_time, "RMD_ADDTIME");
+ if (!NT_STATUS_IS_OK(status)) {
+ /* this is possible for upgraded links */
+ la->originating_add_time = la->meta_data.originating_change_time;
+ }
+
werr = dsdb_dn_la_to_blob(sam_ctx, sa, schema, *la_list, dsdb_dn, &la->value.blob);
W_ERROR_NOT_OK_RETURN(werr);
return GUID_compare(&guid1, &guid2);
}
+struct drsuapi_changed_objects {
+ struct ldb_dn *dn;
+ struct GUID guid;
+ uint64_t usn;
+};
/*
sort the objects we send by tree order
*/
-static int site_res_cmp_parent_order(struct ldb_message **m1, struct ldb_message **m2)
+static int site_res_cmp_parent_order(struct drsuapi_changed_objects *m1,
+ struct drsuapi_changed_objects *m2)
{
- return ldb_dn_compare((*m2)->dn, (*m1)->dn);
+ return ldb_dn_compare(m2->dn, m1->dn);
}
/*
sort the objects we send first by uSNChanged
*/
-static int site_res_cmp_usn_order(struct ldb_message **m1, struct ldb_message **m2)
+static int site_res_cmp_dn_usn_order(struct drsuapi_changed_objects *m1,
+ struct drsuapi_changed_objects *m2)
{
unsigned usnchanged1, usnchanged2;
unsigned cn1, cn2;
- cn1 = ldb_dn_get_comp_num((*m1)->dn);
- cn2 = ldb_dn_get_comp_num((*m2)->dn);
+
+ 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);
+ usnchanged1 = m1->usn;
+ usnchanged2 = m2->usn;
if (usnchanged1 == usnchanged2) {
return 0;
}
}
req_dn = drs_ObjectIdentifier_to_dn(mem_ctx, ldb, req10->naming_context);
- if (!req_dn ||
- !ldb_dn_validate(req_dn) ||
+ if (!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",
goto denied;
}
- if (samdb_result_uint(obj_res->msgs[0], "UserAccountControl", 0) &
+ if (ldb_msg_find_attr_as_uint(obj_res->msgs[0],
+ "userAccountControl", 0) &
UF_INTERDOMAIN_TRUST_ACCOUNT) {
goto denied;
}
*/
req_dn = drs_ObjectIdentifier_to_dn(mem_ctx, ldb, req10->naming_context);
- if (!req_dn ||
- !ldb_dn_validate(req_dn)) {
+ if (!ldb_dn_validate(req_dn)) {
/* that is not a valid dn */
DEBUG(0,(__location__ ": FSMO role transfer request for invalid DN %s\n",
drs_ObjectIdentifier_to_string(mem_ctx, req10->naming_context)));
msg->dn = drs_ObjectIdentifier_to_dn(msg, ldb, req10->naming_context);
W_ERROR_HAVE_NO_MEMORY(msg->dn);
+ /* TODO: make sure ntds_dn is a valid nTDSDSA object */
ret = dsdb_find_dn_by_guid(ldb, msg, &req10->destination_dsa_guid, &ntds_dn);
if (ret != LDB_SUCCESS) {
DEBUG(0, (__location__ ": Unable to find NTDS object for guid %s - %s\n",
GUID_string(mem_ctx, &req10->destination_dsa_guid), ldb_errstring(ldb)));
talloc_free(msg);
- return WERR_DS_DRA_INTERNAL_ERROR;
+ ctr6->extended_ret = DRSUAPI_EXOP_ERR_UNKNOWN_CALLER;
+ return WERR_OK;
}
ret = ldb_msg_add_string(msg, "fSMORoleOwner", ldb_dn_get_linearized(ntds_dn));
/* state of a partially completed getncchanges call */
struct drsuapi_getncchanges_state {
- struct ldb_result *site_res;
- uint32_t num_sent;
+ struct GUID *guids;
+ uint32_t num_records;
+ uint32_t num_processed;
struct ldb_dn *ncRoot_dn;
bool is_schema_nc;
uint64_t min_usn;
bool *is_secret_request)
{
enum drsuapi_DsExtendedOperation exop;
- int i;
+ uint32_t i;
struct dsdb_schema *schema;
*is_secret_request = true;
}
}
+ if (req10->partial_attribute_set_ex) {
+ /* check the extended attributes they asked for */
+ for (i=0; i<req10->partial_attribute_set_ex->num_attids; i++) {
+ const struct dsdb_attribute *sa;
+ sa = dsdb_attribute_by_attributeID_id(schema, req10->partial_attribute_set_ex->attids[i]);
+ if (sa == NULL) {
+ return WERR_DS_DRA_SCHEMA_MISMATCH;
+ }
+ if (!dsdb_attr_in_rodc_fas(sa)) {
+ *is_secret_request = true;
+ return WERR_OK;
+ }
+ }
+ }
+
+ *is_secret_request = false;
+ return WERR_OK;
+}
+
+/*
+ see if this getncchanges request is only for attributes in the GC
+ partial attribute set
+ */
+static WERROR dcesrv_drsuapi_is_gc_pas_request(struct drsuapi_bind_state *b_state,
+ struct drsuapi_DsGetNCChangesRequest10 *req10,
+ bool *is_gc_pas_request)
+{
+ enum drsuapi_DsExtendedOperation exop;
+ uint32_t i;
+ struct dsdb_schema *schema;
+
+ exop = req10->extended_op;
+
+ switch (exop) {
+ case DRSUAPI_EXOP_FSMO_REQ_ROLE:
+ case DRSUAPI_EXOP_FSMO_RID_ALLOC:
+ case DRSUAPI_EXOP_FSMO_RID_REQ_ROLE:
+ case DRSUAPI_EXOP_FSMO_REQ_PDC:
+ case DRSUAPI_EXOP_FSMO_ABANDON_ROLE:
+ case DRSUAPI_EXOP_REPL_SECRET:
+ *is_gc_pas_request = false;
+ return WERR_OK;
+ case DRSUAPI_EXOP_REPL_OBJ:
+ case DRSUAPI_EXOP_NONE:
+ break;
+ }
+
+ if (req10->partial_attribute_set == NULL) {
+ /* they want it all */
+ *is_gc_pas_request = false;
+ return WERR_OK;
+ }
+
+ schema = dsdb_get_schema(b_state->sam_ctx, NULL);
+
/* check the attributes they asked for */
- for (i=0; i<req10->partial_attribute_set_ex->num_attids; i++) {
+ for (i=0; i<req10->partial_attribute_set->num_attids; i++) {
const struct dsdb_attribute *sa;
- sa = dsdb_attribute_by_attributeID_id(schema, req10->partial_attribute_set_ex->attids[i]);
+ sa = dsdb_attribute_by_attributeID_id(schema, req10->partial_attribute_set->attids[i]);
if (sa == NULL) {
return WERR_DS_DRA_SCHEMA_MISMATCH;
}
- if (!dsdb_attr_in_rodc_fas(sa)) {
- *is_secret_request = true;
+ if (!sa->isMemberOfPartialAttributeSet) {
+ *is_gc_pas_request = false;
return WERR_OK;
}
}
- *is_secret_request = false;
+ if (req10->partial_attribute_set_ex) {
+ /* check the extended attributes they asked for */
+ for (i=0; i<req10->partial_attribute_set_ex->num_attids; i++) {
+ const struct dsdb_attribute *sa;
+ sa = dsdb_attribute_by_attributeID_id(schema, req10->partial_attribute_set_ex->attids[i]);
+ if (sa == NULL) {
+ return WERR_DS_DRA_SCHEMA_MISMATCH;
+ }
+ if (!sa->isMemberOfPartialAttributeSet) {
+ *is_gc_pas_request = false;
+ return WERR_OK;
+ }
+ }
+ }
+
+ *is_gc_pas_request = true;
return WERR_OK;
}
}
+/**
+ * Collects object for normal replication cycle.
+ */
+static WERROR getncchanges_collect_objects(struct drsuapi_bind_state *b_state,
+ TALLOC_CTX *mem_ctx,
+ struct drsuapi_DsGetNCChangesRequest10 *req10,
+ struct ldb_dn *search_dn,
+ const char *extra_filter,
+ struct ldb_result **search_res)
+{
+ int ret;
+ char* search_filter;
+ enum ldb_scope scope = LDB_SCOPE_SUBTREE;
+ //const char *extra_filter;
+ struct drsuapi_getncchanges_state *getnc_state = b_state->getncchanges_state;
+ const char *attrs[] = { "uSNChanged",
+ "objectGUID" ,
+ NULL };
+
+ if (req10->extended_op == DRSUAPI_EXOP_REPL_OBJ ||
+ req10->extended_op == DRSUAPI_EXOP_REPL_SECRET) {
+ scope = LDB_SCOPE_BASE;
+ }
+
+ //extra_filter = lpcfg_parm_string(dce_call->conn->dce_ctx->lp_ctx, NULL, "drs", "object filter");
+
+ //getnc_state->min_usn = req10->highwatermark.highest_usn;
+
+ /* Construct response. */
+ search_filter = talloc_asprintf(mem_ctx,
+ "(uSNChanged>=%llu)",
+ (unsigned long long)(getnc_state->min_usn+1));
+
+ if (extra_filter) {
+ search_filter = talloc_asprintf(mem_ctx, "(&%s(%s))", search_filter, extra_filter);
+ }
+
+ if (req10->replica_flags & DRSUAPI_DRS_CRITICAL_ONLY) {
+ search_filter = talloc_asprintf(mem_ctx,
+ "(&%s(isCriticalSystemObject=TRUE))",
+ search_filter);
+ }
+
+ if (req10->replica_flags & DRSUAPI_DRS_ASYNC_REP) {
+ scope = LDB_SCOPE_BASE;
+ }
+
+ if (!search_dn) {
+ search_dn = getnc_state->ncRoot_dn;
+ }
+
+ DEBUG(2,(__location__ ": getncchanges on %s using filter %s\n",
+ ldb_dn_get_linearized(getnc_state->ncRoot_dn), search_filter));
+ ret = drsuapi_search_with_extended_dn(b_state->sam_ctx, getnc_state, search_res,
+ search_dn, scope, attrs,
+ search_filter);
+ if (ret != LDB_SUCCESS) {
+ return WERR_DS_DRA_INTERNAL_ERROR;
+ }
+
+ return WERR_OK;
+}
+
+/**
+ * Collects object for normal replication cycle.
+ */
+static WERROR getncchanges_collect_objects_exop(struct drsuapi_bind_state *b_state,
+ TALLOC_CTX *mem_ctx,
+ struct drsuapi_DsGetNCChangesRequest10 *req10,
+ struct drsuapi_DsGetNCChangesCtr6 *ctr6,
+ struct ldb_dn *search_dn,
+ const char *extra_filter,
+ struct ldb_result **search_res)
+{
+ /* we have nothing to do in case of ex-op failure */
+ if (ctr6->extended_ret != DRSUAPI_EXOP_ERR_SUCCESS) {
+ return WERR_OK;
+ }
+
+ /* TODO: implement extended op specific collection
+ * of objects. Right now we just normal procedure
+ * for collecting objects */
+ return getncchanges_collect_objects(b_state, mem_ctx, req10, search_dn, extra_filter, search_res);
+}
+
/*
drsuapi_DsGetNCChanges
{
struct drsuapi_DsReplicaObjectIdentifier *ncRoot;
int ret;
- unsigned int i;
+ uint32_t i;
struct dsdb_schema *schema;
struct drsuapi_DsReplicaOIDMapping_Ctr *ctr;
struct drsuapi_DsReplicaObjectListItemEx **currentObject;
NTSTATUS status;
DATA_BLOB session_key;
- 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 ldb_context *sam_ctx;
struct dom_sid *user_sid;
bool is_secret_request;
+ bool is_gc_pas_request;
+ struct drsuapi_changed_objects *changes;
+ time_t max_wait;
+ time_t start = time(NULL);
+ bool max_wait_reached = false;
DCESRV_PULL_HANDLE_WERR(h, r->in.bind_handle, DRSUAPI_BIND_HANDLE);
b_state = h->data;
user_sid = &dce_call->conn->auth_state.session_info->security_token->sids[PRIMARY_USER_SID_INDEX];
+ /* all clients must have GUID_DRS_GET_CHANGES */
werr = drs_security_access_check_nc_root(b_state->sam_ctx,
mem_ctx,
dce_call->conn->auth_state.session_info->security_token,
return werr;
}
+ /* allowed if the GC PAS and client has
+ GUID_DRS_GET_FILTERED_ATTRIBUTES */
+ werr = dcesrv_drsuapi_is_gc_pas_request(b_state, req10, &is_gc_pas_request);
+ if (!W_ERROR_IS_OK(werr)) {
+ return werr;
+ }
+ if (is_gc_pas_request) {
+ werr = drs_security_access_check_nc_root(b_state->sam_ctx,
+ mem_ctx,
+ dce_call->conn->auth_state.session_info->security_token,
+ req10->naming_context,
+ GUID_DRS_GET_FILTERED_ATTRIBUTES);
+ if (W_ERROR_IS_OK(werr)) {
+ goto allowed;
+ }
+ }
+
werr = dcesrv_drsuapi_is_reveal_secrets_request(b_state, req10, &is_secret_request);
if (!W_ERROR_IS_OK(werr)) {
return werr;
}
}
+allowed:
/* for non-administrator replications, check that they have
given the correct source_dsa_invocation_id */
security_level = security_session_user_level(dce_call->conn->auth_state.session_info,
ldb_get_schema_basedn(b_state->sam_ctx));
getnc_state->is_schema_nc = (0 == ret);
+ if (req10->extended_op != DRSUAPI_EXOP_NONE) {
+ r->out.ctr->ctr6.extended_ret = DRSUAPI_EXOP_ERR_SUCCESS;
+ }
+
/*
* This is the first replication cycle and it is
* a good place to handle extended operations
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;
+ if (getnc_state->guids == NULL) {
const char *extra_filter;
-
- if (req10->extended_op == DRSUAPI_EXOP_REPL_OBJ ||
- req10->extended_op == DRSUAPI_EXOP_REPL_SECRET) {
- scope = LDB_SCOPE_BASE;
- }
+ struct ldb_result *search_res = NULL;
extra_filter = lpcfg_parm_string(dce_call->conn->dce_ctx->lp_ctx, NULL, "drs", "object filter");
getnc_state->min_usn = req10->highwatermark.highest_usn;
- /* Construct response. */
- search_filter = talloc_asprintf(mem_ctx,
- "(uSNChanged>=%llu)",
- (unsigned long long)(getnc_state->min_usn+1));
-
- if (extra_filter) {
- search_filter = talloc_asprintf(mem_ctx, "(&%s(%s))", search_filter, extra_filter);
- }
-
- if (req10->replica_flags & DRSUAPI_DRS_CRITICAL_ONLY) {
- search_filter = talloc_asprintf(mem_ctx,
- "(&%s(isCriticalSystemObject=TRUE))",
- search_filter);
- }
-
- if (req10->replica_flags & DRSUAPI_DRS_ASYNC_REP) {
- scope = LDB_SCOPE_BASE;
- }
-
- if (!search_dn) {
- search_dn = getnc_state->ncRoot_dn;
+ if (req10->extended_op == DRSUAPI_EXOP_NONE) {
+ werr = getncchanges_collect_objects(b_state, mem_ctx, req10,
+ search_dn, extra_filter,
+ &search_res);
+ } else {
+ werr = getncchanges_collect_objects_exop(b_state, mem_ctx, req10,
+ &r->out.ctr->ctr6,
+ search_dn, extra_filter,
+ &search_res);
}
-
- DEBUG(2,(__location__ ": getncchanges on %s using filter %s\n",
- ldb_dn_get_linearized(getnc_state->ncRoot_dn), search_filter));
- ret = drsuapi_search_with_extended_dn(sam_ctx, getnc_state, &getnc_state->site_res,
- search_dn, scope, attrs,
- search_filter);
- if (ret != LDB_SUCCESS) {
- return WERR_DS_DRA_INTERNAL_ERROR;
+ W_ERROR_NOT_OK_RETURN(werr);
+
+ /* extract out the GUIDs list */
+ getnc_state->num_records = search_res ? search_res->count : 0;
+ getnc_state->guids = talloc_array(getnc_state, struct GUID, getnc_state->num_records);
+ W_ERROR_HAVE_NO_MEMORY(getnc_state->guids);
+
+ changes = talloc_array(getnc_state,
+ struct drsuapi_changed_objects,
+ getnc_state->num_records);
+ W_ERROR_HAVE_NO_MEMORY(changes);
+
+ for (i=0; i<getnc_state->num_records; i++) {
+ changes[i].dn = search_res->msgs[i]->dn;
+ changes[i].guid = samdb_result_guid(search_res->msgs[i], "objectGUID");
+ changes[i].usn = ldb_msg_find_attr_as_uint64(search_res->msgs[i], "uSNChanged", 0);
}
if (req10->replica_flags & DRSUAPI_DRS_GET_ANC) {
- TYPESAFE_QSORT(getnc_state->site_res->msgs,
- getnc_state->site_res->count,
+ TYPESAFE_QSORT(changes,
+ getnc_state->num_records,
site_res_cmp_parent_order);
} else {
- TYPESAFE_QSORT(getnc_state->site_res->msgs,
- getnc_state->site_res->count,
- site_res_cmp_usn_order);
+ TYPESAFE_QSORT(changes,
+ getnc_state->num_records,
+ site_res_cmp_dn_usn_order);
}
getnc_state->uptodateness_vector = talloc_steal(getnc_state, req10->uptodateness_vector);
getnc_state->uptodateness_vector->count,
drsuapi_DsReplicaCursor_compare);
}
+
+ for (i=0; i < getnc_state->num_records; i++) {
+ getnc_state->guids[i] = changes[i].guid;
+ if (GUID_all_zero(&getnc_state->guids[i])) {
+ DEBUG(2,("getncchanges: bad objectGUID from %s\n",
+ ldb_dn_get_linearized(search_res->msgs[i]->dn)));
+ return WERR_DS_DRA_INTERNAL_ERROR;
+ }
+ }
+
+ talloc_free(search_res);
+ talloc_free(changes);
}
/* Prefix mapping */
*/
max_links = lpcfg_parm_int(dce_call->conn->dce_ctx->lp_ctx, NULL, "drs", "max link sync", 1500);
- for (i=getnc_state->num_sent;
- i<getnc_state->site_res->count &&
+ /*
+ * Maximum time that we can spend in a getncchanges
+ * in order to avoid timeout of the other part.
+ * 10 seconds by default.
+ */
+ max_wait = lpcfg_parm_int(dce_call->conn->dce_ctx->lp_ctx, NULL, "drs", "max work time", 10);
+ for (i=getnc_state->num_processed;
+ i<getnc_state->num_records &&
!null_scope &&
- (r->out.ctr->ctr6.object_count < max_objects);
+ (r->out.ctr->ctr6.object_count < max_objects)
+ && !max_wait_reached;
i++) {
int uSN;
struct drsuapi_DsReplicaObjectListItemEx *obj;
- struct ldb_message *msg = getnc_state->site_res->msgs[i];
+ struct ldb_message *msg;
+ static const char * const msg_attrs[] = {
+ "*",
+ "nTSecurityDescriptor",
+ "parentGUID",
+ "replPropertyMetaData",
+ DSDB_SECRET_ATTRIBUTES,
+ NULL };
+ struct ldb_result *msg_res;
+ struct ldb_dn *msg_dn;
obj = talloc_zero(mem_ctx, struct drsuapi_DsReplicaObjectListItemEx);
+ W_ERROR_HAVE_NO_MEMORY(obj);
+
+ msg_dn = ldb_dn_new_fmt(obj, sam_ctx, "<GUID=%s>", GUID_string(obj, &getnc_state->guids[i]));
+ W_ERROR_HAVE_NO_MEMORY(msg_dn);
+
+
+ /* by re-searching here we avoid having a lot of full
+ * records in memory between calls to getncchanges
+ */
+ ret = drsuapi_search_with_extended_dn(sam_ctx, obj, &msg_res,
+ msg_dn,
+ LDB_SCOPE_BASE, msg_attrs, NULL);
+ if (ret != LDB_SUCCESS) {
+ if (ret != LDB_ERR_NO_SUCH_OBJECT) {
+ DEBUG(1,("getncchanges: failed to fetch DN %s - %s\n",
+ ldb_dn_get_extended_linearized(obj, msg_dn, 1), ldb_errstring(sam_ctx)));
+ }
+ talloc_free(obj);
+ continue;
+ }
+
+ msg = msg_res->msgs[0];
+
+ max_wait_reached = (time(NULL) - start > max_wait);
werr = get_nc_changes_build_object(obj, msg,
sam_ctx, getnc_state->ncRoot_dn,
req10->replica_flags,
req10->partial_attribute_set,
getnc_state->uptodateness_vector,
- req10->extended_op);
+ req10->extended_op,
+ max_wait_reached);
if (!W_ERROR_IS_OK(werr)) {
return werr;
}
getnc_state->last_dn = ldb_dn_copy(getnc_state, msg->dn);
DEBUG(8,(__location__ ": replicating object %s\n", ldb_dn_get_linearized(msg->dn)));
+
+ talloc_free(msg_res);
+ talloc_free(msg_dn);
}
- getnc_state->num_sent += r->out.ctr->ctr6.object_count;
+ getnc_state->num_processed = i;
- r->out.ctr->ctr6.nc_object_count = getnc_state->site_res->count;
+ r->out.ctr->ctr6.nc_object_count = getnc_state->num_records;
/* the client can us to call UpdateRefs on its behalf to
re-establish monitoring of the NC */
DEBUG(3,("UpdateRefs on getncchanges for %s\n",
GUID_string(mem_ctx, &req10->destination_dsa_guid)));
ureq.naming_context = ncRoot;
- ureq.dest_dsa_dns_name = talloc_asprintf(mem_ctx, "%s._msdcs.%s",
- GUID_string(mem_ctx, &req10->destination_dsa_guid),
- lpcfg_dnsdomain(dce_call->conn->dce_ctx->lp_ctx));
+ ureq.dest_dsa_dns_name = samdb_ntds_msdcs_dns_name(b_state->sam_ctx, mem_ctx,
+ &req10->destination_dsa_guid);
if (!ureq.dest_dsa_dns_name) {
return WERR_NOMEM;
}
link_total = getnc_state->la_count;
- if (i < getnc_state->site_res->count) {
+ if (i < getnc_state->num_records) {
r->out.ctr->ctr6.more_data = true;
} else {
/* sort the whole array the first time */
r->out.ctr->ctr6.uptodateness_vector = NULL;
r->out.ctr->ctr6.nc_object_count = 0;
ZERO_STRUCT(r->out.ctr->ctr6.new_highwatermark);
- r->out.ctr->ctr6.extended_ret = DRSUAPI_EXOP_ERR_SUCCESS;
}
DEBUG(r->out.ctr->ctr6.more_data?4:2,
(unsigned long long)(req10->highwatermark.highest_usn+1),
req10->replica_flags, drs_ObjectIdentifier_to_string(mem_ctx, ncRoot),
r->out.ctr->ctr6.object_count,
- i, r->out.ctr->ctr6.more_data?getnc_state->site_res->count:i,
+ i, r->out.ctr->ctr6.more_data?getnc_state->num_records:i,
r->out.ctr->ctr6.linked_attributes_count,
link_given, link_total,
dom_sid_string(mem_ctx, user_sid)));