--- /dev/null
+/*
+ Unix SMB/CIFS implementation.
+ Main SMB server routines
+ Copyright (C) Andrew Tridgell 1992-1998
+ Copyright (C) Martin Pool 2002
+ Copyright (C) Jelmer Vernooij 2002-2003
+
+ 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
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "includes.h"
+
+#ifdef HAVE_SYS_PRCTL_H
+#include <sys/prctl.h>
+#endif
+
+static int am_parent = 1;
+
+/* the last message the was processed */
+int last_message = -1;
+
+/* a useful macro to debug the last message processed */
+#define LAST_MESSAGE() smb_fn_name(last_message)
+
+extern struct auth_context *negprot_global_auth_context;
+extern pstring user_socket_options;
+extern SIG_ATOMIC_T got_sig_term;
+extern SIG_ATOMIC_T reload_after_sighup;
+
+#ifdef WITH_DFS
+extern int dcelogin_atmost_once;
+#endif /* WITH_DFS */
+
+/* really we should have a top level context structure that has the
+ client file descriptor as an element. That would require a major rewrite :(
+
+ the following 2 functions are an alternative - they make the file
+ descriptor private to smbd
+ */
+static int server_fd = -1;
+
+int smbd_server_fd(void)
+{
+ return server_fd;
+}
+
+static void smbd_set_server_fd(int fd)
+{
+ server_fd = fd;
+ client_setfd(fd);
+}
+
+/****************************************************************************
+ Terminate signal.
+****************************************************************************/
+
+static void sig_term(void)
+{
+ got_sig_term = 1;
+ sys_select_signal(SIGTERM);
+}
+
+/****************************************************************************
+ Catch a sighup.
+****************************************************************************/
+
+static void sig_hup(int sig)
+{
+ reload_after_sighup = 1;
+ sys_select_signal(SIGHUP);
+}
+
+/****************************************************************************
+ Send a SIGTERM to our process group.
+*****************************************************************************/
+
+static void killkids(void)
+{
+ if(am_parent) kill(0,SIGTERM);
+}
+
+/****************************************************************************
+ Process a sam sync message - not sure whether to do this here or
+ somewhere else.
+****************************************************************************/
+
+static void msg_sam_sync(int UNUSED(msg_type), struct process_id UNUSED(pid),
+ void *UNUSED(buf), size_t UNUSED(len))
+{
+ DEBUG(10, ("** sam sync message received, ignoring\n"));
+}
+
+/****************************************************************************
+ Process a sam sync replicate message - not sure whether to do this here or
+ somewhere else.
+****************************************************************************/
+
+static void msg_sam_repl(int msg_type, struct process_id pid,
+ void *buf, size_t len)
+{
+ uint32 low_serial;
+
+ if (len != sizeof(uint32))
+ return;
+
+ low_serial = *((uint32 *)buf);
+
+ DEBUG(3, ("received sam replication message, serial = 0x%04x\n",
+ low_serial));
+}
+
+/****************************************************************************
+ Open the socket communication - inetd.
+****************************************************************************/
+
+static BOOL open_sockets_inetd(void)
+{
+ /* Started from inetd. fd 0 is the socket. */
+ /* We will abort gracefully when the client or remote system
+ goes away */
+ smbd_set_server_fd(dup(0));
+
+ /* close our standard file descriptors */
+ close_low_fds(False); /* Don't close stderr */
+
+ set_socket_options(smbd_server_fd(),"SO_KEEPALIVE");
+ set_socket_options(smbd_server_fd(), user_socket_options);
+
+ return True;
+}
+
+static void msg_exit_server(int msg_type, struct process_id src,
+ void *buf, size_t len)
+{
+ exit_server("Got a SHUTDOWN message");
+}
+
+
+/****************************************************************************
+ Have we reached the process limit ?
+****************************************************************************/
+
+static BOOL allowable_number_of_smbd_processes(void)
+{
+ int max_processes = lp_max_smbd_processes();
+
+ if (!max_processes)
+ return True;
+
+ {
+ TDB_CONTEXT *tdb = conn_tdb_ctx();
+ int32 val;
+ if (!tdb) {
+ DEBUG(0,("allowable_number_of_smbd_processes: can't open connection tdb.\n" ));
+ return False;
+ }
+
+ val = tdb_fetch_int32(tdb, "INFO/total_smbds");
+ if (val == -1 && (tdb_error(tdb) != TDB_ERR_NOEXIST)) {
+ DEBUG(0,("allowable_number_of_smbd_processes: can't fetch INFO/total_smbds. Error %s\n",
+ tdb_errorstr(tdb) ));
+ return False;
+ }
+ if (val > max_processes) {
+ DEBUG(0,("allowable_number_of_smbd_processes: number of processes (%d) is over allowed limit (%d)\n",
+ val, max_processes ));
+ return False;
+ }
+ }
+ return True;
+}
+
+/****************************************************************************
+ Open the socket communication.
+****************************************************************************/
+
+static BOOL open_sockets_smbd(BOOL is_daemon, BOOL interactive, 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;
+
+ if (!is_daemon) {
+ return open_sockets_inetd();
+ }
+
+
+#ifdef HAVE_ATEXIT
+ {
+ static int atexit_set;
+ if(atexit_set == 0) {
+ atexit_set=1;
+ atexit(killkids);
+ }
+ }
+#endif
+
+ /* Stop zombies */
+ CatchChild();
+
+ 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);
+ }
+
+ 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);
+
+ /* 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);
+
+ /* now accept incoming connections - forking a new process
+ for each incoming connection */
+ DEBUG(2,("waiting for a connection\n"));
+ while (1) {
+ fd_set lfds;
+ 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();
+
+ memcpy((char *)&lfds, (char *)&listen_set,
+ sizeof(listen_set));
+
+ num = sys_select(maxfd+1,&lfds,NULL,NULL,NULL);
+
+ if (num == -1 && errno == EINTR) {
+ if (got_sig_term) {
+ exit_server("Caught TERM signal");
+ }
+
+ /* check for sighup processing */
+ if (reload_after_sighup) {
+ change_to_root_user();
+ DEBUG(1,("Reloading services after SIGHUP\n"));
+ reload_services(False);
+ reload_after_sighup = 0;
+ }
+
+ continue;
+ }
+
+ /* check if we need to reload services */
+ check_reload(time(NULL));
+
+ /* Find the sockets that are read-ready -
+ accept on these. */
+ for( ; num > 0; num--) {
+ struct sockaddr addr;
+ socklen_t in_addrlen = sizeof(addr);
+
+ s = -1;
+ for(i = 0; i < num_sockets; i++) {
+ if(FD_ISSET(fd_listenset[i],&lfds)) {
+ s = fd_listenset[i];
+ /* Clear this so we don't look
+ at it again. */
+ FD_CLR(fd_listenset[i],&lfds);
+ break;
+ }
+ }
+
+ smbd_set_server_fd(accept(s,&addr,&in_addrlen));
+
+ if (smbd_server_fd() == -1 && errno == EINTR)
+ continue;
+
+ if (smbd_server_fd() == -1) {
+ DEBUG(0,("open_sockets_smbd: accept: %s\n",
+ strerror(errno)));
+ continue;
+ }
+
+ /* Ensure child is set to blocking mode */
+ set_blocking(smbd_server_fd(),True);
+
+ if (smbd_server_fd() != -1 && interactive)
+ return True;
+
+ if (allowable_number_of_smbd_processes() && smbd_server_fd() != -1 && sys_fork()==0) {
+ /* Child code ... */
+
+ /* close the listening socket(s) */
+ for(i = 0; i < num_sockets; i++)
+ close(fd_listenset[i]);
+
+ /* close our standard file
+ descriptors */
+ close_low_fds(False);
+ am_parent = 0;
+
+ set_socket_options(smbd_server_fd(),"SO_KEEPALIVE");
+ set_socket_options(smbd_server_fd(),user_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()), False);
+
+ /* Reset the state of the random
+ * number generation system, so
+ * children do not get the same random
+ * numbers as each other */
+
+ set_need_random_reseed();
+ /* tdb needs special fork handling - remove CLEAR_IF_FIRST flags */
+ if (tdb_reopen_all() == -1) {
+ DEBUG(0,("tdb_reopen_all failed.\n"));
+ smb_panic("tdb_reopen_all failed.");
+ }
+
+ return True;
+ }
+ /* The parent doesn't need this socket */
+ close(smbd_server_fd());
+
+ /* Sun May 6 18:56:14 2001 ackley@cs.unm.edu:
+ Clear the closed fd info out of server_fd --
+ and more importantly, out of client_fd in
+ util_sock.c, to avoid a possible
+ getpeername failure if we reopen the logs
+ and use %I in the filename.
+ */
+
+ smbd_set_server_fd(-1);
+
+ /* Force parent to check log size after
+ * spawning child. Fix from
+ * klausr@ITAP.Physik.Uni-Stuttgart.De. The
+ * parent smbd will log to logserver.smb. It
+ * writes only two messages for each child
+ * started/finished. But each child writes,
+ * say, 50 messages also in logserver.smb,
+ * begining with the debug_count of the
+ * parent, before the child opens its own log
+ * file logserver.client. In a worst case
+ * scenario the size of logserver.smb would be
+ * checked after about 50*50=2500 messages
+ * (ca. 100kb).
+ * */
+ force_check_log_size();
+
+ } /* end for num */
+ } /* end while 1 */
+
+/* NOTREACHED return True; */
+}
+
+/****************************************************************************
+ Reload printers
+**************************************************************************/
+void reload_printers(void)
+{
+ int snum;
+ int n_services = lp_numservices();
+ int pnum = lp_servicenumber(PRINTERS_NAME);
+ const char *pname;
+
+ pcap_cache_reload();
+
+ /* remove stale printers */
+ for (snum = 0; snum < n_services; snum++) {
+ /* avoid removing PRINTERS_NAME or non-autoloaded printers */
+ if (snum == pnum || !(lp_snum_ok(snum) && lp_print_ok(snum) &&
+ lp_autoloaded(snum)))
+ continue;
+
+ pname = lp_printername(snum);
+ if (!pcap_printername_ok(pname)) {
+ DEBUG(3, ("removing stale printer %s\n", pname));
+
+ if (is_printer_published(NULL, snum, NULL))
+ nt_printer_publish(NULL, snum, SPOOL_DS_UNPUBLISH);
+ del_a_printer(pname);
+ lp_killservice(snum);
+ }
+ }
+
+ load_printers();
+}
+
+/****************************************************************************
+ Reload the services file.
+**************************************************************************/
+
+BOOL reload_services(BOOL test)
+{
+ BOOL ret;
+
+ if (lp_loaded()) {
+ pstring fname;
+ pstrcpy(fname,lp_configfile());
+ if (file_exist(fname, NULL) &&
+ !strcsequal(fname, dyn_CONFIGFILE)) {
+ pstrcpy(dyn_CONFIGFILE, fname);
+ test = False;
+ }
+ }
+
+ reopen_logs();
+
+ if (test && !lp_file_list_changed())
+ return(True);
+
+ lp_killunused(conn_snum_used);
+
+ ret = lp_load(dyn_CONFIGFILE, False, False, True);
+
+ reload_printers();
+
+ /* perhaps the config filename is now set */
+ if (!test)
+ reload_services(True);
+
+ reopen_logs();
+
+ load_interfaces();
+
+ if (smbd_server_fd() != -1) {
+ set_socket_options(smbd_server_fd(),"SO_KEEPALIVE");
+ set_socket_options(smbd_server_fd(), user_socket_options);
+ }
+
+ mangle_reset_cache();
+ reset_stat_cache();
+
+ /* this forces service parameters to be flushed */
+ set_current_service(NULL,0,True);
+
+ return(ret);
+}
+
+
+#if DUMP_CORE
+/*******************************************************************
+prepare to dump a core file - carefully!
+********************************************************************/
+static BOOL dump_core(void)
+{
+ char *p;
+ pstring dname;
+
+ pstrcpy(dname,lp_logfile());
+ if ((p=strrchr_m(dname,'/'))) *p=0;
+ pstrcat(dname,"/corefiles");
+ mkdir(dname,0700);
+ sys_chown(dname,getuid(),getgid());
+ chmod(dname,0700);
+ if (chdir(dname)) return(False);
+ umask(~(0700));
+
+#ifdef HAVE_GETRLIMIT
+#ifdef RLIMIT_CORE
+ {
+ struct rlimit rlp;
+ getrlimit(RLIMIT_CORE, &rlp);
+ rlp.rlim_cur = MAX(4*1024*1024,rlp.rlim_cur);
+ setrlimit(RLIMIT_CORE, &rlp);
+ getrlimit(RLIMIT_CORE, &rlp);
+ DEBUG(3,("Core limits now %d %d\n",
+ (int)rlp.rlim_cur,(int)rlp.rlim_max));
+ }
+#endif
+#endif
+
+
+ DEBUG(0,("Dumping core in %s\n", dname));
+ /* Ensure we don't have a signal handler for abort. */
+#ifdef SIGABRT
+ CatchSignal(SIGABRT,SIGNAL_CAST SIG_DFL);
+#endif
+ abort();
+ return(True);
+}
+#endif
+
+/****************************************************************************
+ Exit the server.
+****************************************************************************/
+
+void exit_server(const char *reason)
+{
+ static int firsttime=1;
+
+ if (!firsttime)
+ exit(0);
+ firsttime = 0;
+
+ change_to_root_user();
+ DEBUG(2,("Closing connections\n"));
+
+ if (negprot_global_auth_context) {
+ (negprot_global_auth_context->free)(&negprot_global_auth_context);
+ }
+
+ conn_close_all();
+
+ invalidate_all_vuids();
+
+ print_notify_send_messages(3); /* 3 second timeout. */
+
+ /* delete our entry in the connections database. */
+ yield_connection(NULL,"");
+
+ respond_to_all_remaining_local_messages();
+ decrement_smbd_process_count();
+
+#ifdef WITH_DFS
+ if (dcelogin_atmost_once) {
+ dfs_unlogin();
+ }
+#endif
+
+ if (!reason) {
+ int oldlevel = DEBUGLEVEL;
+ char *last_inbuf = get_InBuffer();
+ DEBUGLEVEL = 10;
+ DEBUG(0,("Last message was %s\n",smb_fn_name(last_message)));
+ if (last_inbuf)
+ show_msg(last_inbuf);
+ DEBUGLEVEL = oldlevel;
+ DEBUG(0,("===============================================================\n"));
+#if DUMP_CORE
+ if (dump_core()) return;
+#endif
+ }
+
+ locking_end();
+ printing_end();
+
+ DEBUG(3,("Server exit (%s)\n", (reason ? reason : "")));
+ exit(0);
+}
+
+/****************************************************************************
+ Initialise connect, service and file structs.
+****************************************************************************/
+
+static BOOL init_structs(void )
+{
+ /*
+ * Set the machine NETBIOS name if not already
+ * set from the config file.
+ */
+
+ if (!init_names())
+ return False;
+
+ conn_init();
+
+ file_init();
+
+ /* for RPC pipes */
+ init_rpc_pipe_hnd();
+
+ init_dptrs();
+
+ secrets_init();
+
+ return True;
+}
+
+/****************************************************************************
+ main program.
+****************************************************************************/
+
+/* Declare prototype for build_options() to avoid having to run it through
+ mkproto.h. Mixing $(builddir) and $(srcdir) source files in the current
+ prototype generation system is too complicated. */
+
+void build_options(BOOL screen);
+
+ 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 log_stdout = False;
+ static char *ports = NULL;
+ int opt;
+ poptContext pc;
+
+ 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)" },
+ {"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"},
+ POPT_COMMON_SAMBA
+ { NULL }
+ };
+
+ load_case_tables();
+
+#ifdef HAVE_SET_AUTH_PARAMETERS
+ set_auth_parameters(argc,argv);
+#endif
+
+ pc = poptGetContext("smbd", argc, argv, long_options, 0);
+
+ while((opt = poptGetNextOpt(pc)) != -1) {
+ switch (opt) {
+ case 'b':
+ build_options(True); /* Display output to screen as well as debug */
+ exit(0);
+ break;
+ }
+ }
+
+ poptFreeContext(pc);
+
+#ifdef HAVE_SETLUID
+ /* needed for SecureWare on SCO */
+ setluid(0);
+#endif
+
+ sec_init();
+
+ set_remote_machine_name("smbd", False);
+
+ if (interactive) {
+ Fork = False;
+ log_stdout = True;
+ }
+
+ if (interactive && (DEBUGLEVEL >= 9)) {
+ talloc_enable_leak_report();
+ }
+
+ if (log_stdout && Fork) {
+ DEBUG(0,("ERROR: Can't log to stdout (-S) unless daemon is in foreground (-F) or interactive (-i)\n"));
+ exit(1);
+ }
+
+ setup_logging(argv[0],log_stdout);
+
+ /* we want to re-seed early to prevent time delays causing
+ client problems at a later date. (tridge) */
+ generate_random_buffer(NULL, 0);
+
+ /* make absolutely sure we run as root - to handle cases where people
+ are crazy enough to have it setuid */
+
+ gain_root_privilege();
+ gain_root_group_privilege();
+
+ fault_setup((void (*)(void *))exit_server);
+ CatchSignal(SIGTERM , SIGNAL_CAST sig_term);
+ CatchSignal(SIGHUP,SIGNAL_CAST sig_hup);
+
+ /* we are never interested in SIGPIPE */
+ BlockSignals(True,SIGPIPE);
+
+#if defined(SIGFPE)
+ /* we are never interested in SIGFPE */
+ BlockSignals(True,SIGFPE);
+#endif
+
+#if defined(SIGUSR2)
+ /* We are no longer interested in USR2 */
+ BlockSignals(True,SIGUSR2);
+#endif
+
+ /* POSIX demands that signals are inherited. If the invoking process has
+ * these signals masked, we will have problems, as we won't recieve them. */
+ BlockSignals(False, SIGHUP);
+ BlockSignals(False, SIGUSR1);
+ BlockSignals(False, SIGTERM);
+
+ /* we want total control over the permissions on created files,
+ so set our umask to 0 */
+ umask(0);
+
+ init_sec_ctx();
+
+ reopen_logs();
+
+ DEBUG(0,( "smbd version %s started.\n", SAMBA_VERSION_STRING));
+ DEBUGADD( 0, ( "%s\n", COPYRIGHT_STARTUP_MESSAGE ) );
+
+ DEBUG(2,("uid=%d gid=%d euid=%d egid=%d\n",
+ (int)getuid(),(int)getgid(),(int)geteuid(),(int)getegid()));
+
+ /* Output the build options to the debug log */
+ build_options(False);
+
+ if (sizeof(uint16) < 2 || sizeof(uint32) < 4) {
+ DEBUG(0,("ERROR: Samba is not configured correctly for the word size on your machine\n"));
+ exit(1);
+ }
+
+ /*
+ * Do this before reload_services.
+ */
+
+ if (!reload_services(False))
+ return(-1);
+
+ init_structs();
+
+ if (!init_guest_info()) {
+ DEBUG(0,("ERROR: failed to setup guest info.\n"));
+ return -1;
+ }
+
+#ifdef WITH_PROFILE
+ if (!profile_setup(False)) {
+ DEBUG(0,("ERROR: failed to setup profiling\n"));
+ return -1;
+ }
+#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_daemon && !interactive) {
+ DEBUG( 3, ( "Becoming a daemon.\n" ) );
+ become_daemon(Fork);
+ }
+
+#if HAVE_SETPGID
+ /*
+ * If we're interactive we want to set our own process group for
+ * signal management.
+ */
+ if (interactive)
+ setpgid( (pid_t)0, (pid_t)0);
+#endif
+
+ if (!directory_exist(lp_lockdir(), NULL))
+ mkdir(lp_lockdir(), 0755);
+
+ if (is_daemon)
+ pidfile_create("smbd");
+
+ /* Setup all the TDB's - including CLEAR_IF_FIRST tdb's. */
+ if (!message_init())
+ exit(1);
+
+ if (!session_init())
+ exit(1);
+
+ if (conn_tdb_ctx() == NULL)
+ exit(1);
+
+ if (!locking_init(0))
+ exit(1);
+
+ if (!share_info_db_init())
+ exit(1);
+
+ namecache_enable();
+
+ if (!init_registry())
+ exit(1);
+
+#if 0
+ if (!init_svcctl_db())
+ exit(1);
+#endif
+
+ if (!print_backend_init())
+ exit(1);
+
+ /* 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);
+
+ /* 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 )
+ start_background_queue();
+
+ if (!open_sockets_smbd(is_daemon, interactive, ports))
+ exit(1);
+
+ /*
+ * everything after this point is run after the fork()
+ */
+
+#if defined(HAVE_PRCTL) && defined(PR_SET_DUMPABLE)
+ /* On Linux we lose the ability to dump core when we change our user
+ * ID. We know how to dump core safely, so let's make sure we have our
+ * dumpable flag set.
+ */
+ prctl(PR_SET_DUMPABLE, 1);
+#endif
+
+ /* 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))
+ exit(1);
+
+ if(!get_global_sam_sid()) {
+ DEBUG(0,("ERROR: Samba cannot create a SAM SID.\n"));
+ exit(1);
+ }
+
+ static_init_rpc;
+
+ init_modules();
+
+ /* possibly reload the services file. */
+ reload_services(True);
+
+ if (!init_account_policy()) {
+ DEBUG(0,("Could not open account policy tdb.\n"));
+ exit(1);
+ }
+
+ if (*lp_rootdir()) {
+ if (sys_chroot(lp_rootdir()) == 0)
+ DEBUG(2,("Changed root to %s\n", lp_rootdir()));
+ }
+
+ /* Setup oplocks */
+ if (!init_oplocks())
+ 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);
+
+ smbd_process();
+
+ namecache_shutdown();
+
+ exit_server("normal exit");
+ return(0);
+}
projects / samba / blobdiff