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authorAndrew Tridgell <tridge@samba.org>2010-09-27 21:08:23 -0700
committerAndrew Tridgell <tridge@samba.org>2010-09-27 22:55:05 -0700
commitc4d2b6fbc21625dc5ed2063e5ad699309fa5a3e1 (patch)
tree72bfbc5fff7ab6af67575af387545310d0f4eb6d /source4/rpc_server
parent6237d560275d7d19e46afe85cb9f19313359ea80 (diff)
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s4-netlogon: added RODC DNS update call fwded to dnsupdate task
when we get a netlogon RODC DNS update, we send it to the dnsupdate task
Diffstat (limited to 'source4/rpc_server')
-rw-r--r--source4/rpc_server/netlogon/dcerpc_netlogon.c92
1 files changed, 89 insertions, 3 deletions
diff --git a/source4/rpc_server/netlogon/dcerpc_netlogon.c b/source4/rpc_server/netlogon/dcerpc_netlogon.c
index 21dacd3995..dee4dc4a49 100644
--- a/source4/rpc_server/netlogon/dcerpc_netlogon.c
+++ b/source4/rpc_server/netlogon/dcerpc_netlogon.c
@@ -36,6 +36,7 @@
#include "cldap_server/cldap_server.h"
#include "lib/tsocket/tsocket.h"
#include "librpc/gen_ndr/ndr_netlogon.h"
+#include "librpc/gen_ndr/ndr_irpc.h"
struct netlogon_server_pipe_state {
struct netr_Credential client_challenge;
@@ -2268,14 +2269,99 @@ static NTSTATUS dcesrv_netr_Unused47(struct dcesrv_call_state *dce_call, TALLOC_
DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
}
+
+struct netr_dnsupdate_RODC_state {
+ struct dcesrv_call_state *dce_call;
+ struct netr_DsrUpdateReadOnlyServerDnsRecords *r;
+ struct dnsupdate_RODC *r2;
+};
+
+/*
+ called when the forwarded RODC dns update request is finished
+ */
+static void netr_dnsupdate_RODC_callback(struct tevent_req *req)
+{
+ struct netr_dnsupdate_RODC_state *st =
+ tevent_req_callback_data(req,
+ struct netr_dnsupdate_RODC_state);
+ NTSTATUS status;
+
+ status = dcerpc_binding_handle_call_recv(req);
+ talloc_free(req);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0,(__location__ ": IRPC callback failed %s\n", nt_errstr(status)));
+ st->dce_call->fault_code = DCERPC_FAULT_CANT_PERFORM;
+ }
+
+ st->r->out.dns_names = talloc_steal(st->dce_call, st->r2->out.dns_names);
+
+ status = dcesrv_reply(st->dce_call);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0,(__location__ ": dcesrv_reply() failed - %s\n", nt_errstr(status)));
+ }
+}
+
/*
netr_DsrUpdateReadOnlyServerDnsRecords
*/
-static NTSTATUS dcesrv_netr_DsrUpdateReadOnlyServerDnsRecords(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
+static NTSTATUS dcesrv_netr_DsrUpdateReadOnlyServerDnsRecords(struct dcesrv_call_state *dce_call,
+ TALLOC_CTX *mem_ctx,
struct netr_DsrUpdateReadOnlyServerDnsRecords *r)
{
- NDR_PRINT_FUNCTION_DEBUG(netr_DsrUpdateReadOnlyServerDnsRecords, NDR_IN, r);
- DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
+ struct netlogon_creds_CredentialState *creds;
+ NTSTATUS nt_status;
+ struct dcerpc_binding_handle *binding_handle;
+ struct netr_dnsupdate_RODC_state *st;
+ struct tevent_req *req;
+
+ nt_status = dcesrv_netr_creds_server_step_check(dce_call,
+ mem_ctx,
+ r->in.computer_name,
+ r->in.credential,
+ r->out.return_authenticator,
+ &creds);
+ NT_STATUS_NOT_OK_RETURN(nt_status);
+
+ if (creds->secure_channel_type != SEC_CHAN_RODC) {
+ return NT_STATUS_ACCESS_DENIED;
+ }
+
+ st = talloc_zero(mem_ctx, struct netr_dnsupdate_RODC_state);
+ NT_STATUS_HAVE_NO_MEMORY(st);
+
+ st->dce_call = dce_call;
+ st->r = r;
+ st->r2 = talloc_zero(st, struct dnsupdate_RODC);
+ NT_STATUS_HAVE_NO_MEMORY(st->r2);
+
+ st->r2->in.dom_sid = creds->sid;
+ st->r2->in.site_name = r->in.site_name;
+ st->r2->in.dns_ttl = r->in.dns_ttl;
+ st->r2->in.dns_names = r->in.dns_names;
+ st->r2->out.dns_names = r->out.dns_names;
+
+ binding_handle = irpc_binding_handle_by_name(st, dce_call->msg_ctx,
+ "dnsupdate", &ndr_table_irpc);
+ if (binding_handle == NULL) {
+ DEBUG(0,("Failed to get binding_handle for dnsupdate task\n"));
+ dce_call->fault_code = DCERPC_FAULT_CANT_PERFORM;
+ return NT_STATUS_INTERNAL_DB_CORRUPTION;
+ }
+
+ /* forward the call */
+ req = dcerpc_binding_handle_call_send(st, dce_call->event_ctx,
+ binding_handle,
+ NULL, &ndr_table_irpc,
+ NDR_DNSUPDATE_RODC,
+ st, st->r2);
+ NT_STATUS_HAVE_NO_MEMORY(req);
+
+ dce_call->state_flags |= DCESRV_CALL_STATE_FLAG_ASYNC;
+
+ /* setup the callback */
+ tevent_req_set_callback(req, netr_dnsupdate_RODC_callback, st);
+
+ return NT_STATUS_OK;
}