}
}
+
+/****************************************************************************
+received when we should release a specific IP
+****************************************************************************/
+static void release_ip(const char *ip, void *priv)
+{
+ char addr[INET6_ADDRSTRLEN];
+
+ if (strcmp(client_socket_addr(get_client_fd(),addr,sizeof(addr)), ip) == 0) {
+ /* we can't afford to do a clean exit - that involves
+ database writes, which would potentially mean we
+ are still running after the failover has finished -
+ we have to get rid of this process ID straight
+ away */
+ DEBUG(0,("Got release IP message for our IP %s - exiting immediately\n",
+ ip));
+ /* note we must exit with non-zero status so the unclean handler gets
+ called in the parent, so that the brl database is tickled */
+ _exit(1);
+ }
+}
+
+static void msg_release_ip(struct messaging_context *msg_ctx, void *private_data,
+ uint32_t msg_type, struct server_id server_id, DATA_BLOB *data)
+{
+ release_ip((char *)data->data, NULL);
+}
+
+#ifdef CLUSTER_SUPPORT
+static int client_get_tcp_info(struct sockaddr_storage *server,
+ struct sockaddr_storage *client)
+{
+ socklen_t length;
+ if (server_fd == -1) {
+ return -1;
+ }
+ length = sizeof(*server);
+ if (getsockname(server_fd, (struct sockaddr *)server, &length) != 0) {
+ return -1;
+ }
+ length = sizeof(*client);
+ if (getpeername(server_fd, (struct sockaddr *)client, &length) != 0) {
+ return -1;
+ }
+ return 0;
+}
+#endif
+
+/*
+ * Send keepalive packets to our client
+ */
+static bool keepalive_fn(const struct timeval *now, void *private_data)
+{
+ if (!send_keepalive(smbd_server_fd())) {
+ DEBUG( 2, ( "Keepalive failed - exiting.\n" ) );
+ return False;
+ }
+ return True;
+}
+
+/*
+ * Do the recurring check if we're idle
+ */
+static bool deadtime_fn(const struct timeval *now, void *private_data)
+{
+ if ((conn_num_open() == 0)
+ || (conn_idle_all(now->tv_sec))) {
+ DEBUG( 2, ( "Closing idle connection\n" ) );
+ messaging_send(smbd_messaging_context(), procid_self(),
+ MSG_SHUTDOWN, &data_blob_null);
+ return False;
+ }
+
+ return True;
+}
+
+/*
+ * Do the recurring log file and smb.conf reload checks.
+ */
+
+static bool housekeeping_fn(const struct timeval *now, void *private_data)
+{
+ change_to_root_user();
+
+ /* update printer queue caches if necessary */
+ update_monitored_printq_cache();
+
+ /* check if we need to reload services */
+ check_reload(time(NULL));
+
+ /* Change machine password if neccessary. */
+ attempt_machine_password_change();
+
+ /*
+ * Force a log file check.
+ */
+ force_check_log_size();
+ check_log_size();
+ return true;
+}
+
/****************************************************************************
Process commands from the client
****************************************************************************/
void smbd_process(void)
{
+ TALLOC_CTX *frame = talloc_stackframe();
+ char remaddr[INET6_ADDRSTRLEN];
+
+ smbd_server_conn = talloc_zero(smbd_event_context(), struct smbd_server_connection);
+ if (!smbd_server_conn) {
+ exit_server("failed to create smbd_server_connection");
+ }
+
+ /* Ensure child is set to blocking mode */
+ set_blocking(smbd_server_fd(),True);
+
+ set_socket_options(smbd_server_fd(),"SO_KEEPALIVE");
+ set_socket_options(smbd_server_fd(), lp_socket_options());
+
+ /* this is needed so that we get decent entries
+ in smbstatus for port 445 connects */
+ set_remote_machine_name(get_peer_addr(smbd_server_fd(),
+ remaddr,
+ sizeof(remaddr)),
+ false);
+ reload_services(true);
+
/*
* Before the first packet, check the global hosts allow/ hosts deny
* parameters before doing any parsing of packets passed to us by the
exit_server_cleanly("connection denied");
}
- max_recv = MIN(lp_maxxmit(),BUFFER_SIZE);
+ static_init_rpc;
- smbd_server_conn = talloc_zero(smbd_event_context(), struct smbd_server_connection);
- if (!smbd_server_conn) {
- exit_server("failed to create smbd_server_connection");
+ init_modules();
+
+ if (!init_account_policy()) {
+ exit_server("Could not open account policy tdb.\n");
+ }
+
+ if (*lp_rootdir()) {
+ if (chroot(lp_rootdir()) != 0) {
+ DEBUG(0,("Failed changed root to %s\n", lp_rootdir()));
+ exit_server("Failed to chroot()");
+ }
+ DEBUG(0,("Changed root to %s\n", lp_rootdir()));
+ }
+
+ /* Setup oplocks */
+ if (!init_oplocks(smbd_messaging_context()))
+ exit_server("Failed to init oplocks");
+
+ /* Setup aio signal handler. */
+ initialize_async_io_handler();
+
+ /* register our message handlers */
+ messaging_register(smbd_messaging_context(), NULL,
+ MSG_SMB_FORCE_TDIS, msg_force_tdis);
+ messaging_register(smbd_messaging_context(), NULL,
+ MSG_SMB_RELEASE_IP, msg_release_ip);
+ messaging_register(smbd_messaging_context(), NULL,
+ MSG_SMB_CLOSE_FILE, msg_close_file);
+
+ if ((lp_keepalive() != 0)
+ && !(event_add_idle(smbd_event_context(), NULL,
+ timeval_set(lp_keepalive(), 0),
+ "keepalive", keepalive_fn,
+ NULL))) {
+ DEBUG(0, ("Could not add keepalive event\n"));
+ exit(1);
+ }
+
+ if (!(event_add_idle(smbd_event_context(), NULL,
+ timeval_set(IDLE_CLOSED_TIMEOUT, 0),
+ "deadtime", deadtime_fn, NULL))) {
+ DEBUG(0, ("Could not add deadtime event\n"));
+ exit(1);
}
+
+ if (!(event_add_idle(smbd_event_context(), NULL,
+ timeval_set(SMBD_SELECT_TIMEOUT, 0),
+ "housekeeping", housekeeping_fn, NULL))) {
+ DEBUG(0, ("Could not add housekeeping event\n"));
+ exit(1);
+ }
+
+#ifdef CLUSTER_SUPPORT
+
+ if (lp_clustering()) {
+ /*
+ * We need to tell ctdb about our client's TCP
+ * connection, so that for failover ctdbd can send
+ * tickle acks, triggering a reconnection by the
+ * client.
+ */
+
+ struct sockaddr_storage srv, clnt;
+
+ if (client_get_tcp_info(&srv, &clnt) == 0) {
+
+ NTSTATUS status;
+
+ status = ctdbd_register_ips(
+ messaging_ctdbd_connection(),
+ &srv, &clnt, release_ip, NULL);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0, ("ctdbd_register_ips failed: %s\n",
+ nt_errstr(status)));
+ }
+ } else
+ {
+ DEBUG(0,("Unable to get tcp info for "
+ "CTDB_CONTROL_TCP_CLIENT: %s\n",
+ strerror(errno)));
+ }
+ }
+
+#endif
+
+ max_recv = MIN(lp_maxxmit(),BUFFER_SIZE);
+
smbd_server_conn->fde = event_add_fd(smbd_event_context(),
smbd_server_conn,
smbd_server_fd(),
exit_server("failed to create smbd_server_connection fde");
}
+ TALLOC_FREE(frame);
+
while (True) {
NTSTATUS status;
- TALLOC_CTX *frame = talloc_stackframe_pool(8192);
+
+ frame = talloc_stackframe_pool(8192);
errno = 0;
!NT_STATUS_IS_OK(status)) {
DEBUG(3, ("smbd_server_connection_loop_once failed: %s,"
" exiting\n", nt_errstr(status)));
- return;
+ break;
}
TALLOC_FREE(frame);
}
+
+ exit_server_cleanly(NULL);
}
return server_fd;
}
-#ifdef CLUSTER_SUPPORT
-static int client_get_tcp_info(struct sockaddr_storage *server,
- struct sockaddr_storage *client)
-{
- socklen_t length;
- if (server_fd == -1) {
- return -1;
- }
- length = sizeof(*server);
- if (getsockname(server_fd, (struct sockaddr *)server, &length) != 0) {
- return -1;
- }
- length = sizeof(*client);
- if (getpeername(server_fd, (struct sockaddr *)client, &length) != 0) {
- return -1;
- }
- return 0;
-}
-#endif
-
struct event_context *smbd_event_context(void)
{
if (!smbd_event_ctx) {
exit_server("critical server fault");
}
-
-/****************************************************************************
-received when we should release a specific IP
-****************************************************************************/
-static void release_ip(const char *ip, void *priv)
-{
- char addr[INET6_ADDRSTRLEN];
-
- if (strcmp(client_socket_addr(get_client_fd(),addr,sizeof(addr)), ip) == 0) {
- /* we can't afford to do a clean exit - that involves
- database writes, which would potentially mean we
- are still running after the failover has finished -
- we have to get rid of this process ID straight
- away */
- DEBUG(0,("Got release IP message for our IP %s - exiting immediately\n",
- ip));
- /* note we must exit with non-zero status so the unclean handler gets
- called in the parent, so that the brl database is tickled */
- _exit(1);
- }
-}
-
-static void msg_release_ip(struct messaging_context *msg_ctx, void *private_data,
- uint32_t msg_type, struct server_id server_id, DATA_BLOB *data)
-{
- release_ip((char *)data->data, NULL);
-}
-
/****************************************************************************
Initialise connect, service and file structs.
****************************************************************************/
return True;
}
-/*
- * Send keepalive packets to our client
- */
-static bool keepalive_fn(const struct timeval *now, void *private_data)
-{
- if (!send_keepalive(smbd_server_fd())) {
- DEBUG( 2, ( "Keepalive failed - exiting.\n" ) );
- return False;
- }
- return True;
-}
-
-/*
- * Do the recurring check if we're idle
- */
-static bool deadtime_fn(const struct timeval *now, void *private_data)
-{
- if ((conn_num_open() == 0)
- || (conn_idle_all(now->tv_sec))) {
- DEBUG( 2, ( "Closing idle connection\n" ) );
- messaging_send(smbd_messaging_context(), procid_self(),
- MSG_SHUTDOWN, &data_blob_null);
- return False;
- }
-
- return True;
-}
-
-/*
- * Do the recurring log file and smb.conf reload checks.
- */
-
-static bool housekeeping_fn(const struct timeval *now, void *private_data)
-{
- change_to_root_user();
-
- /* update printer queue caches if necessary */
- update_monitored_printq_cache();
-
- /* check if we need to reload services */
- check_reload(time(NULL));
-
- /* Change machine password if neccessary. */
- attempt_machine_password_change();
-
- /*
- * Force a log file check.
- */
- force_check_log_size();
- check_log_size();
- return true;
-}
-
/****************************************************************************
main program.
****************************************************************************/
POPT_COMMON_DYNCONFIG
POPT_TABLEEND
};
- char remaddr[INET6_ADDRSTRLEN];
TALLOC_CTX *frame = talloc_stackframe(); /* Setup tos. */
smbd_init_globals();
if (!open_sockets_smbd(is_daemon, interactive, ports))
exit(1);
- /*
- * everything after this point is run after the fork()
- */
-
- /* Ensure child is set to blocking mode */
- set_blocking(smbd_server_fd(),True);
-
- set_socket_options(smbd_server_fd(),"SO_KEEPALIVE");
- set_socket_options(smbd_server_fd(), lp_socket_options());
-
- /* this is needed so that we get decent entries
- in smbstatus for port 445 connects */
- set_remote_machine_name(get_peer_addr(smbd_server_fd(),
- remaddr,
- sizeof(remaddr)),
- false);
-
- static_init_rpc;
-
- init_modules();
-
- /* Possibly reload the services file. Only worth doing in
- * daemon mode. In inetd mode, we know we only just loaded this.
- */
- if (is_daemon) {
- reload_services(True);
- }
-
- if (!init_account_policy()) {
- DEBUG(0,("Could not open account policy tdb.\n"));
- exit(1);
- }
-
- if (*lp_rootdir()) {
- if (chroot(lp_rootdir()) == 0)
- DEBUG(2,("Changed root to %s\n", lp_rootdir()));
- }
-
- /* Setup oplocks */
- if (!init_oplocks(smbd_messaging_context()))
- exit(1);
-
- /* Setup aio signal handler. */
- initialize_async_io_handler();
-
- /* register our message handlers */
- messaging_register(smbd_messaging_context(), NULL,
- MSG_SMB_FORCE_TDIS, msg_force_tdis);
- messaging_register(smbd_messaging_context(), NULL,
- MSG_SMB_RELEASE_IP, msg_release_ip);
- messaging_register(smbd_messaging_context(), NULL,
- MSG_SMB_CLOSE_FILE, msg_close_file);
-
- if ((lp_keepalive() != 0)
- && !(event_add_idle(smbd_event_context(), NULL,
- timeval_set(lp_keepalive(), 0),
- "keepalive", keepalive_fn,
- NULL))) {
- DEBUG(0, ("Could not add keepalive event\n"));
- exit(1);
- }
-
- if (!(event_add_idle(smbd_event_context(), NULL,
- timeval_set(IDLE_CLOSED_TIMEOUT, 0),
- "deadtime", deadtime_fn, NULL))) {
- DEBUG(0, ("Could not add deadtime event\n"));
- exit(1);
- }
-
- if (!(event_add_idle(smbd_event_context(), NULL,
- timeval_set(SMBD_SELECT_TIMEOUT, 0),
- "housekeeping", housekeeping_fn, NULL))) {
- DEBUG(0, ("Could not add housekeeping event\n"));
- exit(1);
- }
-
-#ifdef CLUSTER_SUPPORT
-
- if (lp_clustering()) {
- /*
- * We need to tell ctdb about our client's TCP
- * connection, so that for failover ctdbd can send
- * tickle acks, triggering a reconnection by the
- * client.
- */
-
- struct sockaddr_storage srv, clnt;
-
- if (client_get_tcp_info(&srv, &clnt) == 0) {
-
- NTSTATUS status;
-
- status = ctdbd_register_ips(
- messaging_ctdbd_connection(),
- &srv, &clnt, release_ip, NULL);
-
- if (!NT_STATUS_IS_OK(status)) {
- DEBUG(0, ("ctdbd_register_ips failed: %s\n",
- nt_errstr(status)));
- }
- } else
- {
- DEBUG(0,("Unable to get tcp info for "
- "CTDB_CONTROL_TCP_CLIENT: %s\n",
- strerror(errno)));
- }
- }
-
-#endif
-
TALLOC_FREE(frame);
smbd_process();
git.samba.org / amitay / samba.git / commitdiff