Copyright (C) Andrew Tridgell 1992-1998
Copyright (C) Martin Pool 2002
Copyright (C) Jelmer Vernooij 2002-2003
+ Copyright (C) James Peach 2007
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
client_setfd(fd);
}
+struct event_context *smbd_event_context(void)
+{
+ static struct event_context *ctx;
+
+ if (!ctx && !(ctx = event_context_init(NULL))) {
+ smb_panic("Could not init smbd event context\n");
+ }
+ return ctx;
+}
+
+struct messaging_context *smbd_messaging_context(void)
+{
+ static struct messaging_context *ctx;
+
+ if (!ctx && !(ctx = messaging_init(NULL, server_id_self(),
+ smbd_event_context()))) {
+ smb_panic("Could not init smbd messaging context\n");
+ }
+ return ctx;
+}
+
/*******************************************************************
What to do when smb.conf is updated.
********************************************************************/
-static void smb_conf_updated(int msg_type, struct process_id src,
- void *buf, size_t len)
+static void smb_conf_updated(struct messaging_context *msg,
+ void *private_data,
+ uint32_t msg_type,
+ struct server_id server_id,
+ DATA_BLOB *data)
{
- DEBUG(10,("smb_conf_updated: Got message saying smb.conf was updated. Reloading.\n"));
+ DEBUG(10,("smb_conf_updated: Got message saying smb.conf was "
+ "updated. Reloading.\n"));
reload_services(False);
}
+/*******************************************************************
+ Delete a statcache entry.
+ ********************************************************************/
+
+static void smb_stat_cache_delete(struct messaging_context *msg,
+ void *private_data,
+ uint32_t msg_tnype,
+ struct server_id server_id,
+ DATA_BLOB *data)
+{
+ const char *name = (const char *)data->data;
+ DEBUG(10,("smb_stat_cache_delete: delete name %s\n", name));
+ stat_cache_delete(name);
+}
+
/****************************************************************************
Terminate signal.
****************************************************************************/
somewhere else.
****************************************************************************/
-static void msg_sam_sync(int UNUSED(msg_type), struct process_id UNUSED(pid),
- void *UNUSED(buf), size_t UNUSED(len))
+static void msg_sam_sync(struct messaging_context *msg,
+ void *private_data,
+ uint32_t msg_type,
+ struct server_id server_id,
+ DATA_BLOB *data)
{
DEBUG(10, ("** sam sync message received, ignoring\n"));
}
somewhere else.
****************************************************************************/
-static void msg_sam_repl(int msg_type, struct process_id pid,
- void *buf, size_t len)
+static void msg_sam_repl(struct messaging_context *msg,
+ void *private_data,
+ uint32_t msg_type,
+ struct server_id server_id,
+ DATA_BLOB *data)
{
uint32 low_serial;
- if (len != sizeof(uint32))
+ if (data->length != sizeof(low_serial))
return;
- low_serial = *((uint32 *)buf);
+ low_serial = *((uint32 *)data->data);
DEBUG(3, ("received sam replication message, serial = 0x%04x\n",
low_serial));
return True;
}
-static void msg_exit_server(int msg_type, struct process_id src,
- void *buf, size_t len)
+static void msg_exit_server(struct messaging_context *msg,
+ void *private_data,
+ uint32_t msg_type,
+ struct server_id server_id,
+ DATA_BLOB *data)
{
DEBUG(3, ("got a SHUTDOWN message\n"));
exit_server_cleanly(NULL);
}
#ifdef DEVELOPER
-static void msg_inject_fault(int msg_type, struct process_id src,
- void *buf, size_t len)
+static void msg_inject_fault(struct messaging_context *msg,
+ void *private_data,
+ uint32_t msg_type,
+ struct server_id src,
+ DATA_BLOB *data)
{
int sig;
- if (len != sizeof(int)) {
+ if (data->length != sizeof(sig)) {
- DEBUG(0, ("Process %llu sent bogus signal injection request\n",
- (unsigned long long)src.pid));
+ DEBUG(0, ("Process %s sent bogus signal injection request\n",
+ procid_str_static(&src)));
return;
}
- sig = *(int *)buf;
+ sig = *(int *)data->data;
if (sig == -1) {
exit_server("internal error injected");
return;
}
#if HAVE_STRSIGNAL
- DEBUG(0, ("Process %llu requested injection of signal %d (%s)\n",
- (unsigned long long)src.pid, sig, strsignal(sig)));
+ DEBUG(0, ("Process %s requested injection of signal %d (%s)\n",
+ procid_str_static(&src), sig, strsignal(sig)));
#else
- DEBUG(0, ("Process %llu requested injection of signal %d\n",
- (unsigned long long)src.pid, sig));
+ DEBUG(0, ("Process %s requested injection of signal %d\n",
+ procid_str_static(&src), sig));
#endif
kill(sys_getpid(), sig);
Open the socket communication.
****************************************************************************/
-static BOOL open_sockets_smbd(BOOL is_daemon, BOOL interactive, const char *smb_ports)
+static BOOL open_sockets_smbd(enum smb_server_mode server_mode, const char *smb_ports)
{
- int num_interfaces = iface_count();
int num_sockets = 0;
int fd_listenset[FD_SETSIZE];
fd_set listen_set;
int s;
int maxfd = 0;
int i;
- char *ports;
+ struct timeval idle_timeout = timeval_zero();
- if (!is_daemon) {
+ if (server_mode == SERVER_MODE_INETD) {
return open_sockets_inetd();
}
-
#ifdef HAVE_ATEXIT
{
static int atexit_set;
/* Stop zombies */
CatchSignal(SIGCLD, sig_cld);
-
+
FD_ZERO(&listen_set);
- /* use a reasonable default set of ports - listing on 445 and 139 */
- if (!smb_ports) {
- ports = lp_smb_ports();
- if (!ports || !*ports) {
- ports = smb_xstrdup(SMB_PORTS);
- } else {
- ports = smb_xstrdup(ports);
- }
- } else {
- ports = smb_xstrdup(smb_ports);
+ /* At this point, it doesn't matter what daemon mode we are in, we
+ * need some sockets to listen on.
+ */
+ num_sockets = smbd_sockinit(smb_ports, fd_listenset, &idle_timeout);
+ if (num_sockets == 0) {
+ return False;
}
- if (lp_interfaces() && lp_bind_interfaces_only()) {
- /* We have been given an interfaces line, and been
- told to only bind to those interfaces. Create a
- socket per interface and bind to only these.
- */
-
- /* Now open a listen socket for each of the
- interfaces. */
- for(i = 0; i < num_interfaces; i++) {
- struct in_addr *ifip = iface_n_ip(i);
- fstring tok;
- const char *ptr;
-
- if(ifip == NULL) {
- DEBUG(0,("open_sockets_smbd: interface %d has NULL IP address !\n", i));
- continue;
- }
-
- for (ptr=ports; next_token(&ptr, tok, " \t,", sizeof(tok)); ) {
- unsigned port = atoi(tok);
- if (port == 0) {
- continue;
- }
- s = fd_listenset[num_sockets] = open_socket_in(SOCK_STREAM, port, 0, ifip->s_addr, True);
- if(s == -1)
- return False;
-
- /* ready to listen */
- set_socket_options(s,"SO_KEEPALIVE");
- set_socket_options(s,user_socket_options);
-
- /* Set server socket to non-blocking for the accept. */
- set_blocking(s,False);
-
- if (listen(s, SMBD_LISTEN_BACKLOG) == -1) {
- DEBUG(0,("listen: %s\n",strerror(errno)));
- close(s);
- return False;
- }
- FD_SET(s,&listen_set);
- maxfd = MAX( maxfd, s);
-
- num_sockets++;
- if (num_sockets >= FD_SETSIZE) {
- DEBUG(0,("open_sockets_smbd: Too many sockets to bind to\n"));
- return False;
- }
- }
- }
- } else {
- /* Just bind to 0.0.0.0 - accept connections
- from anywhere. */
-
- fstring tok;
- const char *ptr;
-
- num_interfaces = 1;
-
- for (ptr=ports; next_token(&ptr, tok, " \t,", sizeof(tok)); ) {
- unsigned port = atoi(tok);
- if (port == 0) continue;
- /* open an incoming socket */
- s = open_socket_in(SOCK_STREAM, port, 0,
- interpret_addr(lp_socket_address()),True);
- if (s == -1)
- return(False);
-
- /* ready to listen */
- set_socket_options(s,"SO_KEEPALIVE");
- set_socket_options(s,user_socket_options);
-
- /* Set server socket to non-blocking for the accept. */
- set_blocking(s,False);
-
- if (listen(s, SMBD_LISTEN_BACKLOG) == -1) {
- DEBUG(0,("open_sockets_smbd: listen: %s\n",
- strerror(errno)));
- close(s);
- return False;
- }
-
- fd_listenset[num_sockets] = s;
- FD_SET(s,&listen_set);
- maxfd = MAX( maxfd, s);
-
- num_sockets++;
-
- if (num_sockets >= FD_SETSIZE) {
- DEBUG(0,("open_sockets_smbd: Too many sockets to bind to\n"));
- return False;
- }
- }
- }
-
- SAFE_FREE(ports);
+ for (i = 0; i < num_sockets; ++i) {
+ FD_SET(fd_listenset[i], &listen_set);
+ maxfd = MAX(maxfd, fd_listenset[i]);
+ }
/* Listen to messages */
- message_register(MSG_SMB_SAM_SYNC, msg_sam_sync);
- message_register(MSG_SMB_SAM_REPL, msg_sam_repl);
- message_register(MSG_SHUTDOWN, msg_exit_server);
- message_register(MSG_SMB_FILE_RENAME, msg_file_was_renamed);
- message_register(MSG_SMB_CONF_UPDATED, smb_conf_updated);
+ messaging_register(smbd_messaging_context(), NULL,
+ MSG_SMB_SAM_SYNC, msg_sam_sync);
+ messaging_register(smbd_messaging_context(), NULL,
+ MSG_SMB_SAM_REPL, msg_sam_repl);
+ messaging_register(smbd_messaging_context(), NULL,
+ MSG_SHUTDOWN, msg_exit_server);
+ messaging_register(smbd_messaging_context(), NULL,
+ MSG_SMB_FILE_RENAME, msg_file_was_renamed);
+ messaging_register(smbd_messaging_context(), NULL,
+ MSG_SMB_CONF_UPDATED, smb_conf_updated);
+ messaging_register(smbd_messaging_context(), NULL,
+ MSG_SMB_STAT_CACHE_DELETE, smb_stat_cache_delete);
+ brl_register_msgs(smbd_messaging_context());
#ifdef DEVELOPER
- message_register(MSG_SMB_INJECT_FAULT, msg_inject_fault);
+ messaging_register(smbd_messaging_context(), NULL,
+ MSG_SMB_INJECT_FAULT, msg_inject_fault);
#endif
/* now accept incoming connections - forking a new process
for each incoming connection */
DEBUG(2,("waiting for a connection\n"));
while (1) {
- fd_set lfds;
+ struct timeval now;
+ fd_set r_fds, w_fds;
int num;
/* Free up temporary memory from the main smbd. */
lp_TALLOC_FREE();
/* Ensure we respond to PING and DEBUG messages from the main smbd. */
- message_dispatch();
+ message_dispatch(smbd_messaging_context());
if (got_sig_cld) {
pid_t pid;
}
}
- memcpy((char *)&lfds, (char *)&listen_set,
+ memcpy((char *)&r_fds, (char *)&listen_set,
sizeof(listen_set));
-
- num = sys_select(maxfd+1,&lfds,NULL,NULL,NULL);
+ FD_ZERO(&w_fds);
+ GetTimeOfDay(&now);
+
+ event_add_to_select_args(smbd_event_context(), &now,
+ &r_fds, &w_fds, &idle_timeout,
+ &maxfd);
+
+ num = sys_select(maxfd+1,&r_fds,&w_fds,NULL,
+ timeval_is_zero(&idle_timeout) ?
+ NULL : &idle_timeout);
if (num == -1 && errno == EINTR) {
if (got_sig_term) {
continue;
}
-
+
+ if (run_events(smbd_event_context(), num, &r_fds, &w_fds)) {
+ continue;
+ }
+
+#if 0
+ Deactivated for now, this needs to become a timed event
+ vl
+
+ /* If the idle timeout fired and we don't have any connected
+ * users, exit gracefully. We should be running under a process
+ * controller that will restart us if necessry.
+ */
+ if (num == 0 && count_all_current_connections() == 0) {
+ exit_server_cleanly("idle timeout");
+ }
+#endif
+
/* check if we need to reload services */
check_reload(time(NULL));
s = -1;
for(i = 0; i < num_sockets; i++) {
- if(FD_ISSET(fd_listenset[i],&lfds)) {
+ if(FD_ISSET(fd_listenset[i],&r_fds)) {
s = fd_listenset[i];
/* Clear this so we don't look
at it again. */
- FD_CLR(fd_listenset[i],&lfds);
+ FD_CLR(fd_listenset[i],&r_fds);
break;
}
}
/* Ensure child is set to blocking mode */
set_blocking(smbd_server_fd(),True);
- if (smbd_server_fd() != -1 && interactive)
+ /* In interactive mode, return with a connected socket.
+ * Foreground and daemon modes should fork worker
+ * processes.
+ */
+ if (server_mode == SERVER_MODE_INTERACTIVE) {
return True;
+ }
if (allowable_number_of_smbd_processes() &&
smbd_server_fd() != -1 &&
invalidate_all_vuids();
- print_notify_send_messages(3); /* 3 second timeout. */
+ /* 3 second timeout. */
+ print_notify_send_messages(smbd_messaging_context(), 3);
/* delete our entry in the connections database. */
yield_connection(NULL,"");
locking_end();
printing_end();
+ server_encryption_shutdown();
+
if (how != SERVER_EXIT_NORMAL) {
int oldlevel = DEBUGLEVEL;
char *last_inbuf = get_InBuffer();
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;
+}
+
+
/****************************************************************************
main program.
****************************************************************************/
int main(int argc,const char *argv[])
{
/* shall I run as a daemon */
- static BOOL is_daemon = False;
- static BOOL interactive = False;
- static BOOL Fork = True;
- static BOOL no_process_group = False;
- static BOOL log_stdout = False;
- static char *ports = NULL;
+ BOOL no_process_group = False;
+ BOOL log_stdout = False;
+ const char *ports = NULL;
+ const char *profile_level = NULL;
int opt;
poptContext pc;
+ enum smb_server_mode server_mode = SERVER_MODE_DAEMON;
+
struct poptOption long_options[] = {
POPT_AUTOHELP
- {"daemon", 'D', POPT_ARG_VAL, &is_daemon, True, "Become a daemon (default)" },
- {"interactive", 'i', POPT_ARG_VAL, &interactive, True, "Run interactive (not a daemon)"},
- {"foreground", 'F', POPT_ARG_VAL, &Fork, False, "Run daemon in foreground (for daemontools, etc.)" },
- {"no-process-group", '\0', POPT_ARG_VAL, &no_process_group, True, "Don't create a new process group" },
+ {"daemon", 'D', POPT_ARG_VAL, &server_mode, SERVER_MODE_DAEMON,
+ "Become a daemon (default)" },
+ {"interactive", 'i', POPT_ARG_VAL, &server_mode, SERVER_MODE_INTERACTIVE,
+ "Run interactive (not a daemon)"},
+ {"foreground", 'F', POPT_ARG_VAL, &server_mode, SERVER_MODE_FOREGROUND,
+ "Run daemon in foreground (for daemontools, etc.)" },
+ {"no-process-group", '\0', POPT_ARG_VAL, &no_process_group, True,
+ "Don't create a new process group" },
{"log-stdout", 'S', POPT_ARG_VAL, &log_stdout, True, "Log to stdout" },
{"build-options", 'b', POPT_ARG_NONE, NULL, 'b', "Print build options" },
{"port", 'p', POPT_ARG_STRING, &ports, 0, "Listen on the specified ports"},
+ {"profiling-level", 'P', POPT_ARG_STRING, &profile_level, 0, "Set profiling level","PROFILE_LEVEL"},
POPT_COMMON_SAMBA
POPT_COMMON_DYNCONFIG
POPT_TABLEEND
load_case_tables();
+ TimeInit();
+
#ifdef HAVE_SET_AUTH_PARAMETERS
set_auth_parameters(argc,argv);
#endif
set_remote_machine_name("smbd", False);
- if (interactive) {
- Fork = False;
+ if (server_mode == SERVER_MODE_INTERACTIVE) {
log_stdout = True;
+ if (DEBUGLEVEL >= 9) {
+ talloc_enable_leak_report();
+ }
}
- if (interactive && (DEBUGLEVEL >= 9)) {
- talloc_enable_leak_report();
- }
-
- if (log_stdout && Fork) {
+ if (log_stdout && server_mode == SERVER_MODE_DAEMON) {
DEBUG(0,("ERROR: Can't log to stdout (-S) unless daemon is in foreground (-F) or interactive (-i)\n"));
exit(1);
}
init_structs();
#ifdef WITH_PROFILE
- if (!profile_setup(False)) {
+ if (!profile_setup(smbd_messaging_context(), False)) {
DEBUG(0,("ERROR: failed to setup profiling\n"));
return -1;
}
+ if (profile_level != NULL) {
+ int pl = atoi(profile_level);
+ struct server_id src;
+
+ DEBUG(1, ("setting profiling level: %s\n",profile_level));
+ src.pid = getpid();
+ set_profile_level(pl, src);
+ }
#endif
DEBUG(3,( "loaded services\n"));
- if (!is_daemon && !is_a_socket(0)) {
- if (!interactive)
- DEBUG(0,("standard input is not a socket, assuming -D option\n"));
-
- /*
- * Setting is_daemon here prevents us from eventually calling
- * the open_sockets_inetd()
- */
-
- is_daemon = True;
+ if (is_a_socket(0)) {
+ if (server_mode == SERVER_MODE_DAEMON) {
+ DEBUG(0,("standard input is a socket, "
+ "assuming -F option\n"));
+ }
+ server_mode = SERVER_MODE_INETD;
}
- if (is_daemon && !interactive) {
+ if (server_mode == SERVER_MODE_DAEMON) {
DEBUG( 3, ( "Becoming a daemon.\n" ) );
- become_daemon(Fork, no_process_group);
+ become_daemon(True, no_process_group);
+ } else if (server_mode == SERVER_MODE_FOREGROUND) {
+ become_daemon(False, no_process_group);
}
#if HAVE_SETPGID
* If we're interactive we want to set our own process group for
* signal management.
*/
- if (interactive && !no_process_group)
+ if (server_mode == SERVER_MODE_INTERACTIVE && !no_process_group) {
setpgid( (pid_t)0, (pid_t)0);
+ }
#endif
if (!directory_exist(lp_lockdir(), NULL))
mkdir(lp_lockdir(), 0755);
- if (is_daemon)
+ if (server_mode != SERVER_MODE_INETD &&
+ server_mode != SERVER_MODE_INTERACTIVE) {
pidfile_create("smbd");
+ }
/* Setup all the TDB's - including CLEAR_IF_FIRST tdb's. */
- if (!message_init())
+
+ if (smbd_messaging_context() == NULL)
exit(1);
/* Initialise the password backed before the global_sam_sid
to ensure that we fetch from ldap before we make a domain sid up */
- if(!initialize_password_db(False))
+ if(!initialize_password_db(False, smbd_event_context()))
exit(1);
if (!secrets_init()) {
if (!session_init())
exit(1);
- if (conn_tdb_ctx() == NULL)
+ if (!connections_init(True))
exit(1);
if (!locking_init(0))
exit(1);
#endif
- if (!print_backend_init())
+ if (!print_backend_init(smbd_messaging_context()))
exit(1);
if (!init_guest_info()) {
/* Setup the main smbd so that we can get messages. */
/* don't worry about general printing messages here */
- claim_connection(NULL,"",0,True,FLAG_MSG_GENERAL|FLAG_MSG_SMBD);
+ claim_connection(NULL,"",FLAG_MSG_GENERAL|FLAG_MSG_SMBD);
/* only start the background queue daemon if we are
running as a daemon -- bad things will happen if
smbd is launched via inetd and we fork a copy of
ourselves here */
-
- if ( is_daemon && !interactive )
+ if (server_mode != SERVER_MODE_INETD &&
+ server_mode != SERVER_MODE_INTERACTIVE) {
start_background_queue();
+ }
/* Always attempt to initialize DMAPI. We will only use it later if
* lp_dmapi_support is set on the share, but we need a single global
*/
dmapi_init_session();
- if (!open_sockets_smbd(is_daemon, interactive, ports))
+ if (!open_sockets_smbd(server_mode, ports)) {
exit(1);
+ }
/*
* everything after this point is run after the fork()
init_modules();
- /* possibly reload the services file. */
- reload_services(True);
+ /* Possibly reload the services file. Only worth doing in
+ * daemon mode. In inetd mode, we know we only just loaded this.
+ */
+ if (server_mode != SERVER_MODE_INETD &&
+ server_mode != SERVER_MODE_INTERACTIVE) {
+ reload_services(True);
+ }
if (!init_account_policy()) {
DEBUG(0,("Could not open account policy tdb.\n"));
}
/* Setup oplocks */
- if (!init_oplocks())
+ if (!init_oplocks(smbd_messaging_context()))
exit(1);
- /* Setup change notify */
- if (!init_change_notify())
- exit(1);
-
/* Setup aio signal handler. */
initialize_async_io_handler();
- /* re-initialise the timezone */
- TimeInit();
-
/* register our message handlers */
- message_register(MSG_SMB_FORCE_TDIS, msg_force_tdis);
+ messaging_register(smbd_messaging_context(), NULL,
+ MSG_SMB_FORCE_TDIS, msg_force_tdis);
+
+ 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);
+ }
smbd_process();
git.samba.org / sfrench / samba-autobuild / .git / blobdiff