2 Unix SMB/CIFS implementation.
3 async implementation of WINBINDD_WINS_BYIP
4 Copyright (C) Volker Lendecke 2011
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>.
22 #include "libsmb/namequery.h"
23 #include "librpc/gen_ndr/ndr_winbind_c.h"
24 #include "libsmb/nmblib.h"
26 struct winbindd_wins_byip_state {
28 struct sockaddr_storage addr;
32 static void winbindd_wins_byip_done(struct tevent_req *subreq);
34 struct tevent_req *winbindd_wins_byip_send(TALLOC_CTX *mem_ctx,
35 struct tevent_context *ev,
36 struct winbindd_cli_state *cli,
37 struct winbindd_request *request)
39 struct tevent_req *req, *subreq;
40 struct winbindd_wins_byip_state *state;
42 req = tevent_req_create(mem_ctx, &state,
43 struct winbindd_wins_byip_state);
48 /* Ensure null termination */
49 request->data.winsreq[sizeof(request->data.winsreq)-1]='\0';
51 fstr_sprintf(state->response, "%s\t", request->data.winsreq);
53 DEBUG(3, ("[%5lu]: wins_byip %s\n", (unsigned long)cli->pid,
54 request->data.winsreq));
56 make_nmb_name(&state->star, "*", 0);
58 if (!interpret_string_addr(&state->addr, request->data.winsreq,
60 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
61 return tevent_req_post(req, ev);
64 subreq = node_status_query_send(state, ev, &state->star,
66 if (tevent_req_nomem(subreq, req)) {
67 return tevent_req_post(req, ev);
69 tevent_req_set_callback(subreq, winbindd_wins_byip_done, req);
73 static void winbindd_wins_byip_done(struct tevent_req *subreq)
75 struct tevent_req *req = tevent_req_callback_data(
76 subreq, struct tevent_req);
77 struct winbindd_wins_byip_state *state = tevent_req_data(
78 req, struct winbindd_wins_byip_state);
79 struct node_status *names;
83 status = node_status_query_recv(subreq, talloc_tos(), &names,
86 if (tevent_req_nterror(req, status)) {
90 for (i=0; i<num_names; i++) {
95 if (names[i].flags & 0x80) {
101 if (names[i].type != 0x20) {
105 DEBUG(10, ("got name %s\n", names[i].name));
107 size = strlen(names[i].name + strlen(state->response));
108 if (size > sizeof(state->response) - 1) {
109 DEBUG(10, ("To much data\n"));
110 tevent_req_nterror(req, STATUS_BUFFER_OVERFLOW);
113 fstrcat(state->response, names[i].name);
114 fstrcat(state->response, " ");
116 state->response[strlen(state->response)-1] = '\n';
118 DEBUG(10, ("response: %s", state->response));
121 tevent_req_done(req);
124 NTSTATUS winbindd_wins_byip_recv(struct tevent_req *req,
125 struct winbindd_response *presp)
127 struct winbindd_wins_byip_state *state = tevent_req_data(
128 req, struct winbindd_wins_byip_state);
131 if (tevent_req_is_nterror(req, &status)) {
134 fstrcpy(presp->data.winsresp, state->response);