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 SIG_ATOMIC_T got_sig_term;
extern SIG_ATOMIC_T reload_after_sighup;
return ctx;
}
+struct memcache *smbd_memcache(void)
+{
+ static struct memcache *cache;
+
+ if (!cache
+ && !(cache = memcache_init(NULL,
+ lp_max_stat_cache_size()*1024))) {
+
+ smb_panic("Could not init smbd memcache");
+ }
+ return cache;
+}
+
/*******************************************************************
What to do when smb.conf is updated.
********************************************************************/
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
+ */
+ 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;
int maxfd = 0;
int i;
char *ports;
+ struct dns_reg_state * dns_reg = NULL;
+ unsigned dns_port = 0;
if (!is_daemon) {
return open_sockets_inetd();
/* 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) {
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;
}
DEBUG(0,("open_sockets_smbd: listen: "
"%s\n", strerror(errno)));
close(s);
+ TALLOC_FREE(frame);
return False;
}
FD_SET(s,&listen_set);
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") ||
#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;
}
"listen: %s\n",
strerror(errno)));
close(s);
+ TALLOC_FREE(frame);
return False;
}
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);
if (got_sig_cld) {
pid_t pid;
+ int status;
+
got_sig_cld = False;
- while ((pid = sys_waitpid(-1, NULL, WNOHANG)) > 0) {
- remove_child_pid(pid);
+ 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);
}
}
FD_ZERO(&w_fds);
GetTimeOfDay(&now);
+ /* Kick off our mDNS registration. */
+ if (dns_port != 0) {
+ dns_register_smbd(&dns_reg, dns_port, &maxfd,
+ &r_fds, &idle_timeout);
+ }
+
event_add_to_select_args(smbd_event_context(), &now,
&r_fds, &w_fds, &idle_timeout,
&maxfd);
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");
+ }
+
+ /* process pending nDNS responses */
+ if (dns_register_smbd_reply(dns_reg, &r_fds, &idle_timeout)) {
+ --num;
+ }
if (run_events(smbd_event_context(), num, &r_fds, &w_fds)) {
continue;
for(i = 0; i < num_sockets; i++)
close(fd_listenset[i]);
+ /* close our mDNS daemon handle */
+ dns_register_close(&dns_reg);
+
/* close our standard file
descriptors */
close_low_fds(False);
bool reload_services(bool test)
{
bool ret;
-
+
if (lp_loaded()) {
- pstring fname;
- pstrcpy(fname,lp_configfile());
+ char *fname = lp_configfile();
if (file_exist(fname, NULL) &&
- !strcsequal(fname, dyn_CONFIGFILE)) {
- pstrcpy(dyn_CONFIGFILE, fname);
+ !strcsequal(fname, get_dyn_CONFIGFILE())) {
+ set_dyn_CONFIGFILE(fname);
test = False;
}
}
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();
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(), lp_socket_options());
}
exit_server("critical server fault");
}
+
+/****************************************************************************
+received when we should release a specific IP
+****************************************************************************/
+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)
+{
+ const char *ip = (const char *)data->data;
+ 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));
+ _exit(0);
+ }
+}
+
+
/****************************************************************************
Initialise connect, service and file structs.
****************************************************************************/
POPT_COMMON_DYNCONFIG
POPT_TABLEEND
};
-
- load_case_tables();
+ TALLOC_CTX *frame = talloc_stackframe(); /* Setup tos. */
TimeInit();
}
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);
set_remote_machine_name("smbd", False);
- if (interactive) {
- Fork = False;
- log_stdout = True;
- }
-
if (interactive && (DEBUGLEVEL >= 9)) {
talloc_enable_leak_report();
}
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);
if (smbd_messaging_context() == NULL)
exit(1);
+ 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 */
if (!connections_init(True))
exit(1);
- if (!locking_init(0))
+ if (!locking_init())
exit(1);
namecache_enable();
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);
/* 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);
if ((lp_keepalive() != 0)
&& !(event_add_idle(smbd_event_context(), NULL,
exit(1);
}
+ TALLOC_FREE(frame);
+
smbd_process();
namecache_shutdown();
git.samba.org / nivanova / samba-autobuild / .git / blobdiff