s3:smbd: make mdns registration event driven.
[metze/samba/wip.git] / source3 / smbd / server.c
index e77573b9c6ba126ea4abb3fba90f58263c59d429..d71a04ebc17cff7910c904580119d9abade7d522 100644 (file)
 */
 
 #include "includes.h"
+#include "smbd/globals.h"
 
 static_decl_rpc;
 
-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;
-static SIG_ATOMIC_T got_sig_cld;
-
 #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;
@@ -59,29 +38,48 @@ int smbd_server_fd(void)
 static void smbd_set_server_fd(int fd)
 {
        server_fd = fd;
-       client_setfd(fd);
 }
 
+int get_client_fd(void)
+{
+       return server_fd;
+}
 
 struct event_context *smbd_event_context(void)
 {
-       static struct event_context *ctx;
-
-       if (!ctx && !(ctx = event_context_init(NULL))) {
+       if (!smbd_event_ctx) {
+               smbd_event_ctx = event_context_init(talloc_autofree_context());
+       }
+       if (!smbd_event_ctx) {
                smb_panic("Could not init smbd event context");
        }
-       return ctx;
+       return smbd_event_ctx;
 }
 
 struct messaging_context *smbd_messaging_context(void)
 {
-       static struct messaging_context *ctx;
+       if (smbd_msg_ctx == NULL) {
+               smbd_msg_ctx = messaging_init(talloc_autofree_context(),
+                                             server_id_self(),
+                                             smbd_event_context());
+       }
+       if (smbd_msg_ctx == NULL) {
+               DEBUG(0, ("Could not init smbd messaging context.\n"));
+       }
+       return smbd_msg_ctx;
+}
 
-       if (!ctx && !(ctx = messaging_init(NULL, server_id_self(),
-                                          smbd_event_context()))) {
-               smb_panic("Could not init smbd messaging context");
+struct memcache *smbd_memcache(void)
+{
+       if (!smbd_memcache_ctx) {
+               smbd_memcache_ctx = memcache_init(talloc_autofree_context(),
+                                                 lp_max_stat_cache_size()*1024);
+       }
+       if (!smbd_memcache_ctx) {
+               smb_panic("Could not init smbd memcache");
        }
-       return ctx;
+
+       return smbd_memcache_ctx;
 }
 
 /*******************************************************************
@@ -115,35 +113,6 @@ static void smb_stat_cache_delete(struct messaging_context *msg,
        stat_cache_delete(name);
 }
 
-/****************************************************************************
- 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);
-}
-
-/****************************************************************************
- Catch a sigcld
-****************************************************************************/
-static void sig_cld(int sig)
-{
-       got_sig_cld = 1;
-       sys_select_signal(SIGCLD);
-}
-
 /****************************************************************************
   Send a SIGTERM to our process group.
 *****************************************************************************/
@@ -167,27 +136,6 @@ static void msg_sam_sync(struct messaging_context *msg,
         DEBUG(10, ("** sam sync message received, ignoring\n"));
 }
 
-
-/****************************************************************************
- 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(struct messaging_context *msg,
                            void *private_data,
                            uint32_t msg_type,
@@ -237,9 +185,6 @@ struct child_pid {
        pid_t pid;
 };
 
-static struct child_pid *children;
-static int num_children;
-
 static void add_child_pid(pid_t pid)
 {
        struct child_pid *child;
@@ -259,10 +204,21 @@ static void add_child_pid(pid_t pid)
        num_children += 1;
 }
 
-static void remove_child_pid(pid_t pid)
+static void remove_child_pid(pid_t pid, bool unclean_shutdown)
 {
        struct child_pid *child;
 
+       if (unclean_shutdown) {
+               /* a child terminated uncleanly so tickle all processes to see 
+                  if they can grab any of the pending locks
+               */
+               DEBUG(3,(__location__ " Unclean shutdown of pid %u\n", pid));
+               messaging_send_buf(smbd_messaging_context(), procid_self(), 
+                                  MSG_SMB_BRL_VALIDATE, NULL, 0);
+               message_send_all(smbd_messaging_context(), 
+                                MSG_SMB_UNLOCK, NULL, 0, NULL);
+       }
+
        if (lp_max_smbd_processes() == 0) {
                /* Don't bother with the child list if we don't care anyway */
                return;
@@ -295,11 +251,55 @@ static bool allowable_number_of_smbd_processes(void)
        return num_children < max_processes;
 }
 
+static void smbd_sig_chld_handler(struct tevent_context *ev,
+                                 struct tevent_signal *se,
+                                 int signum,
+                                 int count,
+                                 void *siginfo,
+                                 void *private_data)
+{
+       pid_t pid;
+       int status;
+
+       while ((pid = sys_waitpid(-1, &status, WNOHANG)) > 0) {
+               bool unclean_shutdown = False;
+
+               /* If the child terminated normally, assume
+                  it was an unclean shutdown unless the
+                  status is 0
+               */
+               if (WIFEXITED(status)) {
+                       unclean_shutdown = WEXITSTATUS(status);
+               }
+               /* If the child terminated due to a signal
+                  we always assume it was unclean.
+               */
+               if (WIFSIGNALED(status)) {
+                       unclean_shutdown = True;
+               }
+               remove_child_pid(pid, unclean_shutdown);
+       }
+}
+
+static void smbd_setup_sig_chld_handler(void)
+{
+       struct tevent_signal *se;
+
+       se = tevent_add_signal(smbd_event_context(),
+                              smbd_event_context(),
+                              SIGCHLD, 0,
+                              smbd_sig_chld_handler,
+                              NULL);
+       if (!se) {
+               exit_server("failed to setup SIGCHLD handler");
+       }
+}
+
 /****************************************************************************
  Open the socket communication.
 ****************************************************************************/
 
-static bool open_sockets_smbd(bool is_daemon, bool interactive, const char *smb_ports)
+static bool open_sockets_smbd(bool interactive, const char *smb_ports)
 {
        int num_interfaces = iface_count();
        int num_sockets = 0;
@@ -309,23 +309,17 @@ static bool open_sockets_smbd(bool is_daemon, bool interactive, const char *smb_
        int maxfd = 0;
        int i;
        char *ports;
-
-       if (!is_daemon) {
-               return open_sockets_inetd();
-       }
+       TALLOC_CTX *dns_ctx = NULL;
+       unsigned dns_port = 0;
 
 #ifdef HAVE_ATEXIT
-       {
-               static int atexit_set;
-               if(atexit_set == 0) {
-                       atexit_set=1;
-                       atexit(killkids);
-               }
-       }
+       atexit(killkids);
 #endif
 
+       dns_ctx = talloc_new(NULL);
+
        /* Stop zombies */
-       CatchSignal(SIGCLD, sig_cld);
+       smbd_setup_sig_chld_handler();
 
        FD_ZERO(&listen_set);
 
@@ -350,9 +344,10 @@ static bool open_sockets_smbd(bool is_daemon, bool interactive, const char *smb_
                /* Now open a listen socket for each of the
                   interfaces. */
                for(i = 0; i < num_interfaces; i++) {
+                       TALLOC_CTX *frame = NULL;
                        const struct sockaddr_storage *ifss =
                                        iface_n_sockaddr_storage(i);
-                       fstring tok;
+                       char *tok;
                        const char *ptr;
 
                        if (ifss == NULL) {
@@ -362,22 +357,34 @@ static bool open_sockets_smbd(bool is_daemon, bool interactive, const char *smb_
                                continue;
                        }
 
-                       for (ptr=ports; next_token(&ptr, tok, " \t,",
-                                               sizeof(tok)); ) {
+                       frame = talloc_stackframe();
+                       for (ptr=ports;
+                                       next_token_talloc(frame,&ptr, &tok, " \t,");) {
                                unsigned port = atoi(tok);
                                if (port == 0 || port > 0xffff) {
                                        continue;
                                }
+
+                               /* Keep the first port for mDNS service
+                                * registration.
+                                */
+                               if (dns_port == 0) {
+                                       dns_port = port;
+                               }
+
                                s = fd_listenset[num_sockets] =
-                                       open_socket_in(SOCK_STREAM, port, 0,
-                                                       ifss, True);
+                                       open_socket_in(SOCK_STREAM,
+                                                       port,
+                                                       num_sockets == 0 ? 0 : 2,
+                                                       ifss,
+                                                       true);
                                if(s == -1) {
                                        continue;
                                }
 
                                /* ready to listen */
                                set_socket_options(s,"SO_KEEPALIVE");
-                               set_socket_options(s,user_socket_options);
+                               set_socket_options(s,lp_socket_options());
 
                                /* Set server socket to
                                 * non-blocking for the accept. */
@@ -387,6 +394,7 @@ static bool open_sockets_smbd(bool is_daemon, bool interactive, const char *smb_
                                        DEBUG(0,("open_sockets_smbd: listen: "
                                                "%s\n", strerror(errno)));
                                        close(s);
+                                       TALLOC_FREE(frame);
                                        return False;
                                }
                                FD_SET(s,&listen_set);
@@ -396,22 +404,25 @@ static bool open_sockets_smbd(bool is_daemon, bool interactive, const char *smb_
                                if (num_sockets >= FD_SETSIZE) {
                                        DEBUG(0,("open_sockets_smbd: Too "
                                                "many sockets to bind to\n"));
+                                       TALLOC_FREE(frame);
                                        return False;
                                }
                        }
+                       TALLOC_FREE(frame);
                }
        } else {
                /* Just bind to 0.0.0.0 - accept connections
                   from anywhere. */
 
-               fstring tok;
+               TALLOC_CTX *frame = talloc_stackframe();
+               char *tok;
                const char *ptr;
                const char *sock_addr = lp_socket_address();
-               fstring sock_tok;
+               char *sock_tok;
                const char *sock_ptr;
 
                if (strequal(sock_addr, "0.0.0.0") ||
-                               strequal(sock_addr, "::")) {
+                   strequal(sock_addr, "::")) {
 #if HAVE_IPV6
                        sock_addr = "::,0.0.0.0";
 #else
@@ -419,31 +430,41 @@ static bool open_sockets_smbd(bool is_daemon, bool interactive, const char *smb_
 #endif
                }
 
-               for (sock_ptr=sock_addr; next_token(&sock_ptr, sock_tok, " \t,",
-                                       sizeof(sock_tok)); ) {
-                       for (ptr=ports; next_token(&ptr, tok, " \t,",
-                                               sizeof(tok)); ) {
+               for (sock_ptr=sock_addr;
+                               next_token_talloc(frame, &sock_ptr, &sock_tok, " \t,"); ) {
+                       for (ptr=ports; next_token_talloc(frame, &ptr, &tok, " \t,"); ) {
                                struct sockaddr_storage ss;
 
                                unsigned port = atoi(tok);
                                if (port == 0 || port > 0xffff) {
                                        continue;
                                }
+
+                               /* Keep the first port for mDNS service
+                                * registration.
+                                */
+                               if (dns_port == 0) {
+                                       dns_port = port;
+                               }
+
                                /* open an incoming socket */
                                if (!interpret_string_addr(&ss, sock_tok,
                                                AI_NUMERICHOST|AI_PASSIVE)) {
                                        continue;
                                }
 
-                               s = open_socket_in(SOCK_STREAM, port, 0,
-                                                  &ss, true);
+                               s = open_socket_in(SOCK_STREAM,
+                                               port,
+                                               num_sockets == 0 ? 0 : 2,
+                                               &ss,
+                                               true);
                                if (s == -1) {
                                        continue;
                                }
 
                                /* ready to listen */
                                set_socket_options(s,"SO_KEEPALIVE");
-                               set_socket_options(s,user_socket_options);
+                               set_socket_options(s,lp_socket_options());
 
                                /* Set server socket to non-blocking
                                 * for the accept. */
@@ -454,6 +475,7 @@ static bool open_sockets_smbd(bool is_daemon, bool interactive, const char *smb_
                                                "listen: %s\n",
                                                 strerror(errno)));
                                        close(s);
+                                       TALLOC_FREE(frame);
                                        return False;
                                }
 
@@ -466,10 +488,12 @@ static bool open_sockets_smbd(bool is_daemon, bool interactive, const char *smb_
                                if (num_sockets >= FD_SETSIZE) {
                                        DEBUG(0,("open_sockets_smbd: Too "
                                                "many sockets to bind to\n"));
+                                       TALLOC_FREE(frame);
                                        return False;
                                }
                        }
                }
+               TALLOC_FREE(frame);
        }
 
        SAFE_FREE(ports);
@@ -485,7 +509,8 @@ static bool open_sockets_smbd(bool is_daemon, bool interactive, const char *smb_
           clustered mode, ctdb won't allow us to start doing database
           operations until it has gone thru a full startup, which
           includes checking to see that smbd is listening. */
-       claim_connection(NULL,"",FLAG_MSG_GENERAL|FLAG_MSG_SMBD);
+       claim_connection(NULL,"",
+                        FLAG_MSG_GENERAL|FLAG_MSG_SMBD|FLAG_MSG_DBWRAP);
 
         /* Listen to messages */
 
@@ -501,11 +526,22 @@ static bool open_sockets_smbd(bool is_daemon, bool interactive, const char *smb_
                           MSG_SMB_STAT_CACHE_DELETE, smb_stat_cache_delete);
        brl_register_msgs(smbd_messaging_context());
 
+#ifdef CLUSTER_SUPPORT
+       if (lp_clustering()) {
+               ctdbd_register_reconfigure(messaging_ctdbd_connection());
+       }
+#endif
+
 #ifdef DEVELOPER
        messaging_register(smbd_messaging_context(), NULL,
                           MSG_SMB_INJECT_FAULT, msg_inject_fault);
 #endif
 
+       if (dns_port != 0) {
+               smbd_setup_mdns_registration(smbd_event_context(),
+                                            dns_ctx, dns_port);
+       }
+
        /* now accept incoming connections - forking a new process
           for each incoming connection */
        DEBUG(2,("waiting for a connection\n"));
@@ -514,16 +550,8 @@ static bool open_sockets_smbd(bool is_daemon, bool interactive, const char *smb_
                fd_set r_fds, w_fds;
                int num;
 
-               /* Ensure we respond to PING and DEBUG messages from the main smbd. */
-               message_dispatch(smbd_messaging_context());
-
-               if (got_sig_cld) {
-                       pid_t pid;
-                       got_sig_cld = False;
-
-                       while ((pid = sys_waitpid(-1, NULL, WNOHANG)) > 0) {
-                               remove_child_pid(pid);
-                       }
+               if (run_events(smbd_event_context(), 0, NULL, NULL)) {
+                       continue;
                }
 
                idle_timeout = timeval_zero();
@@ -541,24 +569,16 @@ static bool open_sockets_smbd(bool is_daemon, bool interactive, const char *smb_
                                 timeval_is_zero(&idle_timeout) ?
                                 NULL : &idle_timeout);
 
-               if (num == -1 && errno == EINTR) {
-                       if (got_sig_term) {
-                               exit_server_cleanly(NULL);
-                       }
-
-                       /* 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;
-                       }
-
+               if (run_events(smbd_event_context(), num, &r_fds, &w_fds)) {
                        continue;
                }
 
-               if (run_events(smbd_event_context(), num, &r_fds, &w_fds)) {
-                       continue;
+               /* 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");
                }
 
                /* check if we need to reload services */
@@ -588,24 +608,20 @@ static bool open_sockets_smbd(bool is_daemon, bool interactive, const char *smb_
                                continue;
 
                        if (smbd_server_fd() == -1) {
-                               DEBUG(0,("open_sockets_smbd: accept: %s\n",
+                               DEBUG(2,("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)
+                       if (interactive)
                                return True;
 
                        if (allowable_number_of_smbd_processes() &&
-                           smbd_server_fd() != -1 &&
                            ((child = sys_fork())==0)) {
-                               char remaddr[INET6_ADDRSTRLEN];
-
                                /* Child code ... */
 
+                               TALLOC_FREE(dns_ctx);
+
                                /* Stop zombies, the parent explicitly handles
                                 * them, counting worker smbds. */
                                CatchChild();
@@ -619,29 +635,17 @@ static bool open_sockets_smbd(bool is_daemon, bool interactive, const char *smb_
                                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(),
-                                                               remaddr,
-                                                               sizeof(remaddr)),
-                                                               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) == -1) {
-                                       DEBUG(0,("tdb_reopen_all failed.\n"));
-                                       smb_panic("tdb_reopen_all failed");
+                               if (!reinit_after_fork(
+                                           smbd_messaging_context(),
+                                           smbd_event_context(),
+                                           true)) {
+                                       DEBUG(0,("reinit_after_fork() failed\n"));
+                                       smb_panic("reinit_after_fork() failed");
                                }
 
+                               smbd_setup_sig_term_handler();
+                               smbd_setup_sig_hup_handler();
+
                                return True;
                        }
                        /* The parent doesn't need this socket */
@@ -723,13 +727,12 @@ void reload_printers(void)
 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);
+               char *fname = lp_configfile();
+               if (file_exist(fname) &&
+                   !strcsequal(fname, get_dyn_CONFIGFILE())) {
+                       set_dyn_CONFIGFILE(fname);
                        test = False;
                }
        }
@@ -741,7 +744,7 @@ bool reload_services(bool test)
 
        lp_killunused(conn_snum_used);
 
-       ret = lp_load(dyn_CONFIGFILE, False, False, True, True);
+       ret = lp_load(get_dyn_CONFIGFILE(), False, False, True, True);
 
        reload_printers();
 
@@ -753,9 +756,9 @@ bool reload_services(bool test)
 
        load_interfaces();
 
-       if (smbd_server_fd() != -1) {      
+       if (smbd_server_fd() != -1) {
                set_socket_options(smbd_server_fd(),"SO_KEEPALIVE");
-               set_socket_options(smbd_server_fd(), user_socket_options);
+               set_socket_options(smbd_server_fd(), lp_socket_options());
        }
 
        mangle_reset_cache();
@@ -775,16 +778,16 @@ bool reload_services(bool test)
 enum server_exit_reason { SERVER_EXIT_NORMAL, SERVER_EXIT_ABNORMAL };
 
 static void exit_server_common(enum server_exit_reason how,
-       const char *const reason) NORETURN_ATTRIBUTE;
+       const char *const reason) _NORETURN_;
 
 static void exit_server_common(enum server_exit_reason how,
        const char *const reason)
 {
-       static int firsttime=1;
+       bool had_open_conn;
 
-       if (!firsttime)
+       if (!exit_firsttime)
                exit(0);
-       firsttime = 0;
+       exit_firsttime = false;
 
        change_to_root_user();
 
@@ -792,7 +795,7 @@ static void exit_server_common(enum server_exit_reason how,
                (negprot_global_auth_context->free)(&negprot_global_auth_context);
        }
 
-       conn_close_all();
+       had_open_conn = conn_close_all();
 
        invalidate_all_vuids();
 
@@ -802,14 +805,21 @@ static void exit_server_common(enum server_exit_reason how,
        /* delete our entry in the connections database. */
        yield_connection(NULL,"");
 
-       respond_to_all_remaining_local_messages();
-
 #ifdef WITH_DFS
        if (dcelogin_atmost_once) {
                dfs_unlogin();
        }
 #endif
 
+#ifdef USE_DMAPI
+       /* Destroy Samba DMAPI session only if we are master smbd process */
+       if (am_parent) {
+               if (!dmapi_destroy_session()) {
+                       DEBUG(0,("Unable to close Samba DMAPI session\n"));
+               }
+       }
+#endif
+
        locking_end();
        printing_end();
 
@@ -833,7 +843,15 @@ static void exit_server_common(enum server_exit_reason how,
                        (reason ? reason : "normal exit")));
        }
 
-       exit(0);
+       /* if we had any open SMB connections when we exited then we
+          need to tell the parent smbd so that it can trigger a retry
+          of any locks we may have been holding or open files we were
+          blocking */
+       if (had_open_conn) {
+               exit(1);
+       } else {
+               exit(0);
+       }
 }
 
 void exit_server(const char *const explanation)
@@ -869,45 +887,14 @@ static bool init_structs(void )
 
        file_init();
 
-       /* for RPC pipes */
-       init_rpc_pipe_hnd();
-
        init_dptrs();
 
-       secrets_init();
-
-       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" ) );
+       if (!secrets_init())
                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.
 ****************************************************************************/
@@ -921,13 +908,13 @@ extern 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 no_process_group = False;
-       static bool log_stdout = False;
-       static char *ports = NULL;
-       static char *profile_level = NULL;
+       bool is_daemon = false;
+       bool interactive = false;
+       bool Fork = true;
+       bool no_process_group = false;
+       bool log_stdout = false;
+       char *ports = NULL;
+       char *profile_level = NULL;
        int opt;
        poptContext pc;
        bool print_build_options = False;
@@ -952,8 +939,9 @@ extern void build_options(bool screen);
        POPT_COMMON_DYNCONFIG
        POPT_TABLEEND
        };
+       TALLOC_CTX *frame = talloc_stackframe(); /* Setup tos. */
 
-       load_case_tables();
+       smbd_init_globals();
 
        TimeInit();
 
@@ -991,11 +979,20 @@ extern void build_options(bool screen);
        }
        poptFreeContext(pc);
 
+       if (interactive) {
+               Fork = False;
+               log_stdout = True;
+       }
+
+       setup_logging(argv[0],log_stdout);
+
        if (print_build_options) {
                build_options(True); /* Display output to screen as well as debug */
                exit(0);
        }
 
+       load_case_tables();
+
 #ifdef HAVE_SETLUID
        /* needed for SecureWare on SCO */
        setluid(0);
@@ -1005,11 +1002,6 @@ extern void build_options(bool screen);
 
        set_remote_machine_name("smbd", False);
 
-       if (interactive) {
-               Fork = False;
-               log_stdout = True;
-       }
-
        if (interactive && (DEBUGLEVEL >= 9)) {
                talloc_enable_leak_report();
        }
@@ -1019,8 +1011,6 @@ extern void build_options(bool screen);
                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);
@@ -1034,9 +1024,6 @@ extern void build_options(bool screen);
        fault_setup((void (*)(void *))exit_server_fault);
        dump_core_setup("smbd");
 
-       CatchSignal(SIGTERM , SIGNAL_CAST sig_term);
-       CatchSignal(SIGHUP,SIGNAL_CAST sig_hup);
-       
        /* we are never interested in SIGPIPE */
        BlockSignals(True,SIGPIPE);
 
@@ -1064,7 +1051,7 @@ extern void build_options(bool screen);
 
        reopen_logs();
 
-       DEBUG(0,("smbd version %s started.\n", SAMBA_VERSION_STRING));
+       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",
@@ -1078,9 +1065,13 @@ extern void build_options(bool screen);
                exit(1);
        }
 
-       /*
-        * Do this before reload_services.
-        */
+       if (!lp_load_initial_only(get_dyn_CONFIGFILE())) {
+               DEBUG(0, ("error opening config file\n"));
+               exit(1);
+       }
+
+       if (smbd_messaging_context() == NULL)
+               exit(1);
 
        if (!reload_services(False))
                return(-1);     
@@ -1130,16 +1121,28 @@ extern void build_options(bool screen);
                setpgid( (pid_t)0, (pid_t)0);
 #endif
 
-       if (!directory_exist(lp_lockdir(), NULL))
+       if (!directory_exist(lp_lockdir()))
                mkdir(lp_lockdir(), 0755);
 
        if (is_daemon)
                pidfile_create("smbd");
 
+       if (!reinit_after_fork(smbd_messaging_context(),
+                              smbd_event_context(), false)) {
+               DEBUG(0,("reinit_after_fork() failed\n"));
+               exit(1);
+       }
+
+       smbd_setup_sig_term_handler();
+       smbd_setup_sig_hup_handler();
+
        /* Setup all the TDB's - including CLEAR_IF_FIRST tdb's. */
 
-       if (smbd_messaging_context() == NULL)
+       if (smbd_memcache() == NULL) {
                exit(1);
+       }
+
+       memcache_set_global(smbd_memcache());
 
        /* Initialise the password backed before the global_sam_sid
           to ensure that we fetch from ldap before we make a domain sid up */
@@ -1163,12 +1166,12 @@ extern void build_options(bool screen);
        if (!connections_init(True))
                exit(1);
 
-       if (!locking_init(0))
+       if (!locking_init())
                exit(1);
 
        namecache_enable();
 
-       if (!init_registry())
+       if (!W_ERROR_IS_OK(registry_init_full()))
                exit(1);
 
 #if 0
@@ -1189,80 +1192,35 @@ extern void build_options(bool screen);
           smbd is launched via inetd and we fork a copy of 
           ourselves here */
 
-       if ( is_daemon && !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
-        * session to work with.
-        */
-       dmapi_init_session();
-
-       if (!open_sockets_smbd(is_daemon, interactive, ports))
-               exit(1);
-
-       /*
-        * everything after this point is run after the fork()
-        */ 
-
-       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 (is_daemon && !interactive
+           && lp_parm_bool(-1, "smbd", "backgroundqueue", true)) {
+               start_background_queue();
        }
 
-       if (!init_account_policy()) {
-               DEBUG(0,("Could not open account policy tdb.\n"));
-               exit(1);
-       }
+       if (!is_daemon) {
+               /* inetd mode */
+               TALLOC_FREE(frame);
 
-       if (*lp_rootdir()) {
-               if (sys_chroot(lp_rootdir()) == 0)
-                       DEBUG(2,("Changed root to %s\n", lp_rootdir()));
-       }
+               /* 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));
 
-       /* Setup oplocks */
-       if (!init_oplocks(smbd_messaging_context()))
-               exit(1);
-       
-       /* Setup aio signal handler. */
-       initialize_async_io_handler();
+               /* close our standard file descriptors */
+               close_low_fds(False); /* Don't close stderr */
 
-       /*
-        * For clustering, we need to re-init our ctdbd connection after the
-        * fork
-        */
-       if (!NT_STATUS_IS_OK(messaging_reinit(smbd_messaging_context())))
-               exit(1);
+               smbd_process();
 
-       /* register our message handlers */
-       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);
+               exit_server_cleanly(NULL);
+               return(0);
        }
 
-       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"));
+       if (!open_sockets_smbd(interactive, ports))
                exit(1);
-       }
 
-       smbd_process();
+       TALLOC_FREE(frame);
 
-       namecache_shutdown();
+       smbd_process();
 
        exit_server_cleanly(NULL);
        return(0);