r11094: Connect to SAM, implement getdcname

[kai/samba.git] / source4 / winbind / wb_cmd_getdcname.c

diff --git a/source4/winbind/wb_cmd_getdcname.c b/source4/winbind/wb_cmd_getdcname.c
new file mode 100644 (file)
index 0000000..3ddcbc8
--- /dev/null
+++ b/source4/winbind/wb_cmd_getdcname.c
@@ -0,0 +1,155 @@
+/* 
+   Unix SMB/CIFS implementation.
+
+   Command backend for wbinfo --getdcname
+
+   Copyright (C) Volker Lendecke 2005
+   
+   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 2 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, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "includes.h"
+#include "libcli/composite/composite.h"
+#include "winbind/wb_server.h"
+#include "smbd/service_stream.h"
+
+#include "librpc/gen_ndr/ndr_netlogon.h"
+
+static void composite_netr_GetAnyDCName_recv_rpc(struct rpc_request *req);
+
+static struct composite_context *composite_netr_GetAnyDCName_send(struct dcerpc_pipe *p,
+                                                                 TALLOC_CTX *mem_ctx,
+                                                                 struct netr_GetAnyDCName *r)
+{
+       struct composite_context *result;
+       struct rpc_request *req;
+
+       result = talloc(mem_ctx, struct composite_context);
+       if (result == NULL) goto failed;
+       result->state = COMPOSITE_STATE_IN_PROGRESS;
+       result->async.fn = NULL;
+       result->event_ctx = p->conn->event_ctx;
+
+       req = dcerpc_netr_GetAnyDCName_send(p, mem_ctx, r);
+       if (req == NULL) goto failed;
+       req->async.callback = composite_netr_GetAnyDCName_recv_rpc;
+       req->async.private = result;
+       return result;
+
+ failed:
+       talloc_free(result);
+       return NULL;
+}
+
+static void composite_netr_GetAnyDCName_recv_rpc(struct rpc_request *req)
+{
+       struct composite_context *ctx =
+               talloc_get_type(req->async.private, struct composite_context);
+
+       ctx->status = dcerpc_ndr_request_recv(req);
+       if (!composite_is_ok(ctx)) return;
+       composite_done(ctx);
+}
+
+NTSTATUS composite_netr_GetAnyDCName_recv(struct composite_context *ctx)
+{
+       NTSTATUS status = composite_wait(ctx);
+       talloc_free(ctx);
+       return status;
+}
+
+struct cmd_getdcname_state {
+       struct composite_context *ctx;
+       struct wbsrv_domain *domain;
+       const char *domain_name;
+
+       struct netr_GetAnyDCName g;
+};
+
+static struct composite_context *getdcname_send_req(void *p);
+static NTSTATUS getdcname_recv_req(struct composite_context *ctx, void *p);
+
+struct composite_context *wb_cmd_getdcname_send(struct wbsrv_call *call,
+                                               const char *domain)
+{
+       struct cmd_getdcname_state *state;
+       struct wbsrv_service *service = call->wbconn->listen_socket->service;
+
+       state = talloc(NULL, struct cmd_getdcname_state);
+       state->domain = service->domains;
+       state->domain_name = talloc_strdup(state, domain);
+       state->ctx = wb_queue_domain_send(state, state->domain,
+                                         call->event_ctx,
+                                         call->wbconn->conn->msg_ctx,
+                                         getdcname_send_req,
+                                         getdcname_recv_req,
+                                         state);
+       if (state->ctx == NULL) {
+               talloc_free(state);
+               return NULL;
+       }
+       state->ctx->private_data = state;
+       return state->ctx;
+}
+
+static struct composite_context *getdcname_send_req(void *p)
+{
+       struct cmd_getdcname_state *state =
+               talloc_get_type(p, struct cmd_getdcname_state);
+
+       state->g.in.logon_server = talloc_asprintf(
+               state, "\\\\%s",
+               dcerpc_server_name(state->domain->netlogon_pipe));
+       state->g.in.domainname = state->domain_name;
+
+       return composite_netr_GetAnyDCName_send(state->domain->netlogon_pipe,
+                                               state, &state->g);
+}
+
+static NTSTATUS getdcname_recv_req(struct composite_context *ctx, void *p)
+{
+       struct cmd_getdcname_state *state =
+               talloc_get_type(p, struct cmd_getdcname_state);
+       NTSTATUS status;
+
+       status = composite_netr_GetAnyDCName_recv(ctx);
+       NT_STATUS_NOT_OK_RETURN(status);
+
+       if (!W_ERROR_IS_OK(state->g.out.result)) {
+               return werror_to_ntstatus(state->g.out.result);
+       }
+
+       return NT_STATUS_OK;
+}
+
+NTSTATUS wb_cmd_getdcname_recv(struct composite_context *c,
+                              TALLOC_CTX *mem_ctx,
+                              const char **dcname)
+{
+       struct cmd_getdcname_state *state =
+               talloc_get_type(c->private_data, struct cmd_getdcname_state);
+       NTSTATUS status = composite_wait(c);
+       if (NT_STATUS_IS_OK(status)) {
+               const char *p = state->g.out.dcname;
+               if (*p == '\\') p += 1;
+               if (*p == '\\') p += 1;
+               *dcname = talloc_strdup(mem_ctx, p);
+               if (*dcname == NULL) {
+                       status = NT_STATUS_NO_MEMORY;
+               }
+       }
+       talloc_free(state);
+       return status;
+}