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authorSimo Sorce <idra@samba.org>2008-11-25 16:42:38 -0500
committerSimo Sorce <idra@samba.org>2008-11-25 16:44:17 -0500
commitd4b9a588bade582ba2968f270101032a11981e17 (patch)
tree41e817fbc39d3b5b0310b5f0d8670ca91ad37783 /server/server.c
parentf85ae5fce84ad7bdc515c1ec324b9c56cb1a39b2 (diff)
downloadsssd-d4b9a588bade582ba2968f270101032a11981e17.tar.gz
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Move all server helpers in util/server.c
Diffstat (limited to 'server/server.c')
-rw-r--r--server/server.c277
1 files changed, 0 insertions, 277 deletions
diff --git a/server/server.c b/server/server.c
deleted file mode 100644
index f5cd9ea71..000000000
--- a/server/server.c
+++ /dev/null
@@ -1,277 +0,0 @@
-/*
- SSSD
-
- Servers setup routines
-
- Copyright (C) Andrew Tridgell 1992-2005
- Copyright (C) Martin Pool 2002
- Copyright (C) Jelmer Vernooij 2002
- Copyright (C) James J Myers 2003 <myersjj@samba.org>
- Copyright (C) Simo Sorce 2008
-
- 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 3 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, see <http://www.gnu.org/licenses/>.
-*/
-
-#include <stdbool.h>
-#include <unistd.h>
-#include <popt.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include "util/util.h"
-#include "../events/events.h"
-#include "../ldb/include/ldb.h"
-#include "confdb/confdb.h"
-#include "providers/providers.h"
-#include "monitor.h"
-
-extern int nss_process_init(TALLOC_CTX *mem_ctx,
- struct event_context *ev,
- struct confdb_ctx *cdb);
-
-static void sig_hup(int sig)
-{
- /* cycle log/debug files */
- return;
-}
-
-static void sig_term(int sig)
-{
-#if HAVE_GETPGRP
- static int done_sigterm;
- if (done_sigterm == 0 && getpgrp() == getpid()) {
- DEBUG(0,("SIGTERM: killing children\n"));
- done_sigterm = 1;
- kill(-getpgrp(), SIGTERM);
- }
-#endif
- exit(0);
-}
-
-/*
- setup signal masks
-*/
-static void setup_signals(void)
-{
- /* we are never interested in SIGPIPE */
- BlockSignals(true, SIGPIPE);
-
-#if defined(SIGFPE)
- /* we are never interested in SIGFPE */
- BlockSignals(true, SIGFPE);
-#endif
-
- /* We are no longer interested in USR1 */
- BlockSignals(true, SIGUSR1);
-
-#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, SIGTERM);
-
- CatchSignal(SIGHUP, sig_hup);
- CatchSignal(SIGTERM, sig_term);
-}
-
-/*
- handle io on stdin
-*/
-static void server_stdin_handler(struct event_context *event_ctx, struct fd_event *fde,
- uint16_t flags, void *private)
-{
- const char *binary_name = (const char *)private;
- uint8_t c;
- if (read(0, &c, 1) == 0) {
- DEBUG(0,("%s: EOF on stdin - terminating\n", binary_name));
-#if HAVE_GETPGRP
- if (getpgrp() == getpid()) {
- kill(-getpgrp(), SIGTERM);
- }
-#endif
- exit(0);
- }
-}
-
-/*
- main server.
-*/
-int main(int argc, const char *argv[])
-{
- char *service = NULL;
- bool opt_daemon = false;
- bool opt_interactive = false;
- int opt;
- poptContext pc;
- struct event_context *event_ctx;
- struct confdb_ctx *confdb_ctx;
- TALLOC_CTX *mem_ctx;
- uint16_t stdin_event_flags;
- int ret = EOK;
- bool is_monitor = false;
-
- debug_prg_name = argv[0];
-
- enum {
- OPT_DAEMON = 1000,
- OPT_INTERACTIVE
- };
- struct poptOption long_options[] = {
- POPT_AUTOHELP
- {"daemon", 'D', POPT_ARG_NONE, NULL, OPT_DAEMON,
- "Become a daemon (default)", NULL },
- {"interactive", 'i', POPT_ARG_NONE, NULL, OPT_INTERACTIVE,
- "Run interactive (not a daemon)", NULL},
- {"service", 's', POPT_ARG_STRING, &service, 0,
- "Executes a specific service instead of the monitor", NULL},
- {"debug-level", 'd', POPT_ARG_INT, &debug_level, 0,
- "Executes a specific service instead of the monitor", NULL},
- { NULL }
- };
-
- pc = poptGetContext(argv[0], argc, argv, long_options, 0);
- while((opt = poptGetNextOpt(pc)) != -1) {
- switch(opt) {
- case OPT_DAEMON:
- opt_daemon = true;
- break;
- case OPT_INTERACTIVE:
- opt_interactive = true;
- break;
- default:
- fprintf(stderr, "\nInvalid option %s: %s\n\n",
- poptBadOption(pc, 0), poptStrerror(opt));
- poptPrintUsage(pc, stderr, 0);
- return 1;
- }
- }
-
- if (!service) {
- fprintf(stderr,"\nERROR: No service specified\n\n");
- return 5;
- }
-
- if (strcmp(service, "monitor") == 0) is_monitor = true;
-
- if (is_monitor) {
- if (opt_daemon && opt_interactive) {
- fprintf(stderr,"\nERROR: "
- "Option -i|--interactive is not allowed together with -D|--daemon\n\n");
- poptPrintUsage(pc, stderr, 0);
- return 1;
- } else if (!opt_interactive) {
- /* default is --daemon */
- opt_daemon = true;
- }
- } else {
- if (opt_daemon || opt_interactive) {
- fprintf(stderr,"\nERROR: "
- "Options -i or -D not allowed with -s (service)\n\n");
- poptPrintUsage(pc, stderr, 0);
- return 1;
- }
-
- }
-
- poptFreeContext(pc);
-
- setup_signals();
-
- /* we want default permissions on created files to be very strict,
- so set our umask to 0177 */
- umask(0177);
-
- if (opt_daemon) {
- DEBUG(3,("Becoming a daemon.\n"));
- become_daemon(true);
-
- ret = pidfile(PID_PATH, "sssd");
- if (ret != EOK) {
- fprintf(stderr, "\nERROR: PID File reports daemon already running!\n");
- return 1;
- }
- }
-
- /* the event context is the top level structure.
- * Everything else should hang off that */
- event_ctx = event_context_init(talloc_autofree_context());
- if (event_ctx == NULL) {
- DEBUG(0,("The event context initialiaziton failed\n"));
- return 1;
- }
-
- mem_ctx = talloc_new(event_ctx);
- if (mem_ctx == NULL) {
- DEBUG(0,("Out of memory, aborting!\n"));
- return 1;
- }
-
- ret = confdb_init(mem_ctx, event_ctx, &confdb_ctx);
- if (ret != EOK) {
- DEBUG(0,("The confdb initialization failed\n"));
- return 1;
- }
-
- if (opt_interactive) {
- /* terminate when stdin goes away */
- stdin_event_flags = EVENT_FD_READ;
- } else {
- /* stay alive forever */
- stdin_event_flags = 0;
- }
-
- /* catch EOF on stdin */
-#ifdef SIGTTIN
- signal(SIGTTIN, SIG_IGN);
-#endif
- event_add_fd(event_ctx, event_ctx, 0, stdin_event_flags,
- server_stdin_handler,
- discard_const(argv[0]));
-
- /* What are we asked to run ? */
- if (is_monitor) {
- /* the monitor */
- ret = monitor_process_init(mem_ctx, event_ctx, confdb_ctx);
-
- } else {
-
- if (strcmp(service, "nss") == 0) {
- ret = nss_process_init(mem_ctx, event_ctx, confdb_ctx);
-
- } else if (strcmp(service, "dp") == 0) {
- ret = dp_process_init(mem_ctx, event_ctx, confdb_ctx);
-
- } else {
- fprintf(stderr,
- "\nERROR: Unknown Service specified [%s]\n",
- service);
- ret = EINVAL;
- }
- }
-
- if (ret != EOK) return 3;
-
- /* wait for events - this is where smbd sits for most of its
- life */
- event_loop_wait(event_ctx);
-
- /* as everything hangs off this event context, freeing it
- should initiate a clean shutdown of all services */
- talloc_free(event_ctx);
-
- return 0;
-}