2 * Unix SMB/CIFS implementation.
4 * SMBD RPC service callbacks
6 * Copyright (c) 2011 Andreas Schneider <asn@samba.org>
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 3 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, see <http://www.gnu.org/licenses/>.
25 #include "../librpc/gen_ndr/messaging.h"
26 #include "../librpc/gen_ndr/srv_epmapper.h"
27 #include "rpc_server/rpc_server.h"
28 #include "rpc_server/epmapper/srv_epmapper.h"
30 #define DAEMON_NAME "epmd"
32 void start_epmd(struct tevent_context *ev_ctx,
33 struct messaging_context *msg_ctx);
35 static bool epmd_open_sockets(struct tevent_context *ev_ctx,
36 struct messaging_context *msg_ctx)
38 uint32_t num_ifs = iface_count();
42 if (lp_interfaces() && lp_bind_interfaces_only()) {
44 * We have been given an interfaces line, and been told to only
45 * bind to those interfaces. Create a socket per interface and
49 /* Now open a listen socket for each of the interfaces. */
50 for(i = 0; i < num_ifs; i++) {
51 const struct sockaddr_storage *ifss =
52 iface_n_sockaddr_storage(i);
54 port = setup_dcerpc_ncacn_tcpip_socket(ev_ctx,
56 ndr_table_epmapper.syntax_id,
64 const char *sock_addr = lp_socket_address();
68 if (strequal(sock_addr, "0.0.0.0") ||
69 strequal(sock_addr, "::")) {
73 sock_addr = "0.0.0.0";
77 for (sock_ptr = sock_addr;
78 next_token_talloc(talloc_tos(), &sock_ptr, &sock_tok, " \t,");
80 struct sockaddr_storage ss;
82 /* open an incoming socket */
83 if (!interpret_string_addr(&ss,
85 AI_NUMERICHOST|AI_PASSIVE)) {
89 port = setup_dcerpc_ncacn_tcpip_socket(ev_ctx,
91 ndr_table_epmapper.syntax_id,
103 static void epmd_reopen_logs(void)
105 char *lfile = lp_logfile();
108 if (lfile == NULL || lfile[0] == '\0') {
109 rc = asprintf(&lfile, "%s/log.%s", get_dyn_LOGFILEBASE(), DAEMON_NAME);
111 lp_set_logfile(lfile);
115 if (strstr(lfile, DAEMON_NAME) == NULL) {
116 rc = asprintf(&lfile, "%s.%s", lp_logfile(), DAEMON_NAME);
118 lp_set_logfile(lfile);
127 static void epmd_smb_conf_updated(struct messaging_context *msg,
130 struct server_id server_id,
133 DEBUG(10, ("Got message saying smb.conf was updated. Reloading.\n"));
134 change_to_root_user();
138 static void epmd_sig_term_handler(struct tevent_context *ev,
139 struct tevent_signal *se,
145 rpc_epmapper_shutdown();
147 exit_server_cleanly("termination signal");
150 static void epmd_setup_sig_term_handler(struct tevent_context *ev_ctx)
152 struct tevent_signal *se;
154 se = tevent_add_signal(ev_ctx,
157 epmd_sig_term_handler,
160 exit_server("failed to setup SIGTERM handler");
164 static void epmd_sig_hup_handler(struct tevent_context *ev,
165 struct tevent_signal *se,
171 change_to_root_user();
173 DEBUG(1,("Reloading printers after SIGHUP\n"));
177 static void epmd_setup_sig_hup_handler(struct tevent_context *ev_ctx,
178 struct messaging_context *msg_ctx)
180 struct tevent_signal *se;
182 se = tevent_add_signal(ev_ctx,
185 epmd_sig_hup_handler,
188 exit_server("failed to setup SIGHUP handler");
192 static bool epmapper_shutdown_cb(void *ptr) {
193 srv_epmapper_cleanup();
198 void start_epmd(struct tevent_context *ev_ctx,
199 struct messaging_context *msg_ctx)
201 struct rpc_srv_callbacks epmapper_cb;
207 epmapper_cb.init = NULL;
208 epmapper_cb.shutdown = epmapper_shutdown_cb;
209 epmapper_cb.private_data = NULL;
211 DEBUG(1, ("Forking Endpoint Mapper Daemon\n"));
216 DEBUG(0, ("Failed to fork Endpoint Mapper [%s], aborting ...\n",
227 close_low_fds(false);
229 status = reinit_after_fork(msg_ctx,
233 if (!NT_STATUS_IS_OK(status)) {
234 DEBUG(0,("reinit_after_fork() failed\n"));
235 smb_panic("reinit_after_fork() failed");
240 epmd_setup_sig_term_handler(ev_ctx);
241 epmd_setup_sig_hup_handler(ev_ctx, msg_ctx);
243 ok = serverid_register(procid_self(),
244 FLAG_MSG_GENERAL|FLAG_MSG_SMBD
245 |FLAG_MSG_PRINT_GENERAL);
247 DEBUG(0, ("Failed to register serverid in epmd!\n"));
251 messaging_register(msg_ctx,
253 MSG_SMB_CONF_UPDATED,
254 epmd_smb_conf_updated);
256 status = rpc_epmapper_init(&epmapper_cb);
257 if (!NT_STATUS_IS_OK(status)) {
258 DEBUG(0, ("Failed to register epmd rpc inteface! (%s)\n",
263 ok = setup_dcerpc_ncalrpc_socket(ev_ctx,
265 ndr_table_epmapper.syntax_id,
267 srv_epmapper_delete_endpoints);
269 DEBUG(0, ("Failed to open epmd ncalrpc pipe!\n"));
273 ok = epmd_open_sockets(ev_ctx, msg_ctx);
275 DEBUG(0, ("Failed to open epmd tcpip sockets!\n"));
279 ok = setup_named_pipe_socket("epmapper", ev_ctx);
281 DEBUG(0, ("Failed to open epmd named pipe!\n"));
285 DEBUG(1, ("Endpoint Mapper Daemon Started (%d)\n", getpid()));
288 rc = tevent_loop_wait(ev_ctx);
290 /* should not be reached */
291 DEBUG(0,("background_queue: tevent_loop_wait() exited with %d - %s\n",
292 rc, (rc == 0) ? "out of events" : strerror(errno)));
297 /* vim: set ts=8 sw=8 noet cindent ft=c.doxygen: */