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-rw-r--r--source4/rpc_server/drsuapi/getncchanges.c53
1 files changed, 42 insertions, 11 deletions
diff --git a/source4/rpc_server/drsuapi/getncchanges.c b/source4/rpc_server/drsuapi/getncchanges.c
index b3808206cb..84dc21d1b7 100644
--- a/source4/rpc_server/drsuapi/getncchanges.c
+++ b/source4/rpc_server/drsuapi/getncchanges.c
@@ -25,6 +25,7 @@
#include "dsdb/samdb/samdb.h"
#include "param/param.h"
#include "librpc/gen_ndr/ndr_drsblobs.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"
@@ -324,6 +325,7 @@ static WERROR get_nc_changes_add_links(struct ldb_context *sam_ctx,
{
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];
@@ -365,6 +367,13 @@ static WERROR get_nc_changes_add_links(struct ldb_context *sam_ctx,
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;
}
@@ -472,6 +481,7 @@ struct drsuapi_getncchanges_state {
struct ldb_dn *ncRoot_dn;
uint64_t min_usn;
uint64_t highest_usn;
+ struct ldb_dn *last_dn;
};
/*
@@ -506,6 +516,7 @@ WERROR dcesrv_drsuapi_DsGetNCChanges(struct dcesrv_call_state *dce_call, TALLOC_
struct drsuapi_getncchanges_state *getnc_state;
struct drsuapi_DsGetNCChangesRequest8 *req8;
uint32_t options;
+ uint32_t max_objects;
DCESRV_PULL_HANDLE_WERR(h, r->in.bind_handle, DRSUAPI_BIND_HANDLE);
b_state = h->data;
@@ -572,9 +583,10 @@ WERROR dcesrv_drsuapi_DsGetNCChanges(struct dcesrv_call_state *dce_call, TALLOC_
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\n",
+ 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->ncRoot_dn),
+ ldb_dn_get_linearized(getnc_state->last_dn)));
talloc_free(getnc_state);
getnc_state = NULL;
}
@@ -616,6 +628,9 @@ WERROR dcesrv_drsuapi_DsGetNCChanges(struct dcesrv_call_state *dce_call, TALLOC_
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 = req8->highwatermark.highest_usn;
@@ -624,6 +639,10 @@ WERROR dcesrv_drsuapi_DsGetNCChanges(struct dcesrv_call_state *dce_call, TALLOC_
"(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 (req8->replica_flags & DRSUAPI_DS_REPLICA_NEIGHBOUR_CRITICAL_ONLY) {
search_filter = talloc_asprintf(mem_ctx,
"(&%s(isCriticalSystemObject=TRUE))",
@@ -677,16 +696,17 @@ WERROR dcesrv_drsuapi_DsGetNCChanges(struct dcesrv_call_state *dce_call, TALLOC_
r->out.ctr->ctr6.first_object = NULL;
currentObject = &r->out.ctr->ctr6.first_object;
-#if 0
/* use this to force single objects at a time, which is useful
* for working out what object is giving problems
*/
- req8->max_object_count = 1;
-#endif
+ 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 < req8->max_object_count);
+ (r->out.ctr->ctr6.object_count < max_objects);
i++) {
int uSN;
struct drsuapi_DsReplicaObjectListItemEx *obj;
@@ -734,6 +754,9 @@ WERROR dcesrv_drsuapi_DsGetNCChanges(struct dcesrv_call_state *dce_call, TALLOC_
*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)));
}
@@ -785,11 +808,19 @@ WERROR dcesrv_drsuapi_DsGetNCChanges(struct dcesrv_call_state *dce_call, TALLOC_
b_state->getncchanges_state = NULL;
}
- DEBUG(2,("DsGetNCChanges with uSNChanged >= %llu flags 0x%08x on %s gave %u objects (done %d/%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));
+ 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;
}