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author | Simo Sorce <idra@samba.org> | 2008-11-25 16:42:38 -0500 |
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committer | Simo Sorce <idra@samba.org> | 2008-11-25 16:44:17 -0500 |
commit | d4b9a588bade582ba2968f270101032a11981e17 (patch) | |
tree | 41e817fbc39d3b5b0310b5f0d8670ca91ad37783 /server/server.c | |
parent | f85ae5fce84ad7bdc515c1ec324b9c56cb1a39b2 (diff) | |
download | sssd-d4b9a588bade582ba2968f270101032a11981e17.tar.gz sssd-d4b9a588bade582ba2968f270101032a11981e17.tar.xz sssd-d4b9a588bade582ba2968f270101032a11981e17.zip |
Move all server helpers in util/server.c
Diffstat (limited to 'server/server.c')
-rw-r--r-- | server/server.c | 277 |
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; -} |