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-rw-r--r--source4/rpc_server/drsuapi/getncchanges.c110
1 files changed, 103 insertions, 7 deletions
diff --git a/source4/rpc_server/drsuapi/getncchanges.c b/source4/rpc_server/drsuapi/getncchanges.c
index 437dc87ae8..f2cc75cc39 100644
--- a/source4/rpc_server/drsuapi/getncchanges.c
+++ b/source4/rpc_server/drsuapi/getncchanges.c
@@ -564,6 +564,88 @@ static int site_res_cmp_usn_order(const struct ldb_message **m1, const struct ld
}
+/*
+ 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", ldb_errstring(ldb)));
+ return WERR_DS_DRA_INTERNAL_ERROR;
+ }
+
+ req_dn = ldb_dn_new(ldb, mem_ctx, req8->naming_context->dn);
+ if (!req_dn ||
+ !ldb_dn_validate(req_dn) ||
+ ldb_dn_compare(samdb_ntds_settings_dn(ldb), rid_manager_dn) != 0) {
+ /* that isn't the RID Manager 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",
+ 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 */
+ 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_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)));
+ return WERR_DS_DRA_INTERNAL_ERROR;
+ }
+ talloc_free(ext_res);
+
+ base_dn = samdb_base_dn(ldb);
+
+ /* to complete the rest of the operation we need to point
+ getncchanges at the base DN for the domain */
+ req8->naming_context->dn = ldb_dn_get_linearized(base_dn);
+ ret = dsdb_find_guid_by_dn(ldb, base_dn, &req8->naming_context->guid);
+ if (ret != LDB_SUCCESS) {
+ DEBUG(0,(__location__ ": Failed to find base DN GUID - %s\n",
+ ldb_errstring(ldb)));
+ return WERR_DS_DRA_INTERNAL_ERROR;
+ }
+
+ return WERR_OK;
+}
+
+
+
/* state of a partially completed getncchanges call */
struct drsuapi_getncchanges_state {
struct ldb_result *site_res;
@@ -669,6 +751,27 @@ WERROR dcesrv_drsuapi_DsGetNCChanges(struct dcesrv_call_state *dce_call, TALLOC_
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);
+ 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 */
@@ -706,13 +809,6 @@ WERROR dcesrv_drsuapi_DsGetNCChanges(struct dcesrv_call_state *dce_call, TALLOC_
return WERR_DS_DRA_INTERNAL_ERROR;
}
- /* we don't yet support extended operations */
- if (req8->extended_op != DRSUAPI_EXOP_NONE) {
- DEBUG(0,(__location__ ": Request for DsGetNCChanges extended op 0x%x\n",
- (unsigned)req8->extended_op));
- return WERR_DS_DRA_NOT_SUPPORTED;
- }
-
/*
TODO: MS-DRSR section 4.1.10.1.1
Work out if this is the start of a new cycle */