2 Unix SMB/CIFS implementation.
4 Command backend for wbinfo --getdcname
6 Copyright (C) Volker Lendecke 2005
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 #include "libcli/composite/composite.h"
25 #include "winbind/wb_server.h"
26 #include "smbd/service_task.h"
28 #include "librpc/gen_ndr/ndr_netlogon.h"
29 #include "librpc/gen_ndr/ndr_netlogon_c.h"
31 struct cmd_getdcname_state {
32 struct composite_context *ctx;
33 const char *domain_name;
35 struct netr_GetAnyDCName g;
38 static void getdcname_recv_domain(struct composite_context *ctx);
39 static void getdcname_recv_dcname(struct rpc_request *req);
41 struct composite_context *wb_cmd_getdcname_send(TALLOC_CTX *mem_ctx,
42 struct wbsrv_service *service,
43 const char *domain_name)
45 struct composite_context *result, *ctx;
46 struct cmd_getdcname_state *state;
48 result = talloc(mem_ctx, struct composite_context);
49 if (result == NULL) goto failed;
50 result->state = COMPOSITE_STATE_IN_PROGRESS;
51 result->async.fn = NULL;
52 result->event_ctx = service->task->event_ctx;
54 state = talloc(result, struct cmd_getdcname_state);
55 if (state == NULL) goto failed;
57 result->private_data = state;
59 state->domain_name = talloc_strdup(state, domain_name);
60 if (state->domain_name == NULL) goto failed;
62 ctx = wb_sid2domain_send(state, service, service->primary_sid);
63 if (ctx == NULL) goto failed;
65 ctx->async.fn = getdcname_recv_domain;
66 ctx->async.private_data = state;
74 static void getdcname_recv_domain(struct composite_context *ctx)
76 struct cmd_getdcname_state *state =
77 talloc_get_type(ctx->async.private_data,
78 struct cmd_getdcname_state);
79 struct wbsrv_domain *domain;
80 struct rpc_request *req;
82 state->ctx->status = wb_sid2domain_recv(ctx, &domain);
83 if (!composite_is_ok(state->ctx)) return;
85 state->g.in.logon_server = talloc_asprintf(
87 dcerpc_server_name(domain->netlogon_pipe));
88 state->g.in.domainname = state->domain_name;
90 req = dcerpc_netr_GetAnyDCName_send(domain->netlogon_pipe, state,
92 if (composite_nomem(req, state->ctx)) return;
94 composite_continue_rpc(state->ctx, req, getdcname_recv_dcname, state);
97 static void getdcname_recv_dcname(struct rpc_request *req)
99 struct cmd_getdcname_state *state =
100 talloc_get_type(req->async.private,
101 struct cmd_getdcname_state);
103 state->ctx->status = dcerpc_ndr_request_recv(req);
104 if (!composite_is_ok(state->ctx)) return;
105 state->ctx->status = werror_to_ntstatus(state->g.out.result);
106 if (!composite_is_ok(state->ctx)) return;
108 composite_done(state->ctx);
111 NTSTATUS wb_cmd_getdcname_recv(struct composite_context *c,
115 struct cmd_getdcname_state *state =
116 talloc_get_type(c->private_data, struct cmd_getdcname_state);
117 NTSTATUS status = composite_wait(c);
118 if (NT_STATUS_IS_OK(status)) {
119 const char *p = state->g.out.dcname;
120 if (*p == '\\') p += 1;
121 if (*p == '\\') p += 1;
122 *dcname = talloc_strdup(mem_ctx, p);
123 if (*dcname == NULL) {
124 status = NT_STATUS_NO_MEMORY;