2010-03-12 16:12:05 +00:00
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/*
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2012-04-19 11:32:51 +00:00
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* Copyright (C) 2006-2012 Tobias Brunner
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2010-03-12 16:12:05 +00:00
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* Copyright (C) 2005-2009 Martin Willi
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* Copyright (C) 2006 Daniel Roethlisberger
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* Copyright (C) 2005 Jan Hutter
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* Hochschule fuer Technik Rapperswil
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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#include <stdio.h>
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#define _POSIX_PTHREAD_SEMANTICS /* for two param sigwait on OpenSolaris */
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#include <signal.h>
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#undef _POSIX_PTHREAD_SEMANTICS
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#include <pthread.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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2012-06-28 09:56:15 +00:00
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#include <sys/utsname.h>
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2010-10-29 07:39:19 +00:00
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#include <syslog.h>
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#include <errno.h>
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2010-03-12 16:12:05 +00:00
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#include <unistd.h>
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#include <getopt.h>
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2010-03-24 14:22:10 +00:00
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#include <hydra.h>
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2010-03-12 16:12:05 +00:00
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#include <daemon.h>
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#include <library.h>
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#include <utils/backtrace.h>
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#include <threading/thread.h>
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2010-05-04 15:05:12 +00:00
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#ifdef ANDROID
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2011-10-18 09:36:52 +00:00
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#include <private/android_filesystem_config.h> /* for AID_VPN */
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2010-05-04 15:05:12 +00:00
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#endif
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2010-10-29 07:39:19 +00:00
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#ifndef LOG_AUTHPRIV /* not defined on OpenSolaris */
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#define LOG_AUTHPRIV LOG_AUTH
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#endif
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2010-05-04 15:05:12 +00:00
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2010-03-12 16:12:05 +00:00
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/**
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* PID file, in which charon stores its process id
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*/
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#define PID_FILE IPSEC_PIDDIR "/charon.pid"
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2010-06-15 17:53:47 +00:00
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/**
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* Global reference to PID file (required to truncate, if undeletable)
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*/
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static FILE *pidfile = NULL;
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2010-03-12 16:12:05 +00:00
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/**
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* hook in library for debugging messages
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*/
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2010-03-31 15:26:39 +00:00
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extern void (*dbg) (debug_t group, level_t level, char *fmt, ...);
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2010-03-12 16:12:05 +00:00
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/**
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* Logging hook for library logs, using stderr output
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*/
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2010-03-31 15:26:39 +00:00
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static void dbg_stderr(debug_t group, level_t level, char *fmt, ...)
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2010-03-12 16:12:05 +00:00
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{
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va_list args;
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if (level <= 1)
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{
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va_start(args, fmt);
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2010-03-31 15:26:39 +00:00
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fprintf(stderr, "00[%N] ", debug_names, group);
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2010-03-12 16:12:05 +00:00
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vfprintf(stderr, fmt, args);
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fprintf(stderr, "\n");
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va_end(args);
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}
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}
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/**
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* Run the daemon and handle unix signals
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*/
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static void run()
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{
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sigset_t set;
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/* handle SIGINT, SIGHUP ans SIGTERM in this handler */
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sigemptyset(&set);
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sigaddset(&set, SIGINT);
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sigaddset(&set, SIGHUP);
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sigaddset(&set, SIGTERM);
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sigprocmask(SIG_BLOCK, &set, NULL);
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while (TRUE)
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{
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int sig;
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int error;
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error = sigwait(&set, &sig);
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if (error)
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{
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DBG1(DBG_DMN, "error %d while waiting for a signal", error);
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return;
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}
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switch (sig)
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{
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case SIGHUP:
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{
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2011-04-12 09:20:25 +00:00
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DBG1(DBG_DMN, "signal of type SIGHUP received. Reloading "
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"configuration");
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if (lib->settings->load_files(lib->settings, NULL, FALSE))
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{
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lib->plugins->reload(lib->plugins, NULL);
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}
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else
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{
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DBG1(DBG_DMN, "reloading config failed, keeping old");
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}
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2010-03-12 16:12:05 +00:00
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break;
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}
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case SIGINT:
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{
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DBG1(DBG_DMN, "signal of type SIGINT received. Shutting down");
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charon->bus->alert(charon->bus, ALERT_SHUTDOWN_SIGNAL, sig);
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return;
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}
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case SIGTERM:
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{
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DBG1(DBG_DMN, "signal of type SIGTERM received. Shutting down");
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charon->bus->alert(charon->bus, ALERT_SHUTDOWN_SIGNAL, sig);
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return;
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}
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default:
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{
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DBG1(DBG_DMN, "unknown signal %d received. Ignored", sig);
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break;
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}
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}
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}
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}
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/**
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* lookup UID and GID
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*/
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static bool lookup_uid_gid()
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{
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#ifdef IPSEC_USER
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2012-07-03 11:07:24 +00:00
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if (!charon->caps->resolve_uid(charon->caps, IPSEC_USER))
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2010-03-12 16:12:05 +00:00
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{
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2012-07-03 11:07:24 +00:00
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return FALSE;
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2010-03-12 16:12:05 +00:00
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}
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#endif
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#ifdef IPSEC_GROUP
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2012-07-03 11:07:24 +00:00
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if (!charon->caps->resolve_gid(charon->caps, IPSEC_GROUP))
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2010-03-12 16:12:05 +00:00
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{
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2012-07-03 11:07:24 +00:00
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return FALSE;
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2010-03-12 16:12:05 +00:00
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}
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2010-05-04 15:05:12 +00:00
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#endif
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#ifdef ANDROID
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2012-07-03 11:07:24 +00:00
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charon->caps->set_uid(charon->caps, AID_VPN);
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2010-03-12 16:12:05 +00:00
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#endif
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return TRUE;
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}
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/**
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* Handle SIGSEGV/SIGILL signals raised by threads
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*/
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static void segv_handler(int signal)
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{
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backtrace_t *backtrace;
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DBG1(DBG_DMN, "thread %u received %d", thread_current_id(), signal);
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backtrace = backtrace_create(2);
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2010-05-19 13:22:12 +00:00
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backtrace->log(backtrace, stderr, TRUE);
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2010-03-12 16:12:05 +00:00
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backtrace->destroy(backtrace);
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DBG1(DBG_DMN, "killing ourself, received critical signal");
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abort();
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}
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/**
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* Check/create PID file, return TRUE if already running
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*/
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static bool check_pidfile()
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{
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struct stat stb;
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if (stat(PID_FILE, &stb) == 0)
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{
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2010-06-15 17:53:47 +00:00
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pidfile = fopen(PID_FILE, "r");
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if (pidfile)
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2010-03-12 16:12:05 +00:00
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{
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char buf[64];
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pid_t pid = 0;
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memset(buf, 0, sizeof(buf));
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2010-06-15 17:53:47 +00:00
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if (fread(buf, 1, sizeof(buf), pidfile))
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2010-03-12 16:12:05 +00:00
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{
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2011-09-28 10:01:47 +00:00
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buf[sizeof(buf) - 1] = '\0';
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2010-03-12 16:12:05 +00:00
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pid = atoi(buf);
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}
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2010-06-15 17:53:47 +00:00
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fclose(pidfile);
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2010-03-12 16:12:05 +00:00
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if (pid && kill(pid, 0) == 0)
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{ /* such a process is running */
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return TRUE;
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}
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}
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DBG1(DBG_DMN, "removing pidfile '"PID_FILE"', process not running");
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unlink(PID_FILE);
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}
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/* create new pidfile */
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2010-06-15 17:53:47 +00:00
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pidfile = fopen(PID_FILE, "w");
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if (pidfile)
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2010-03-12 16:12:05 +00:00
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{
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2012-07-03 11:07:24 +00:00
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ignore_result(fchown(fileno(pidfile),
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charon->caps->get_uid(charon->caps),
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charon->caps->get_gid(charon->caps)));
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2010-06-15 17:53:47 +00:00
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fprintf(pidfile, "%d\n", getpid());
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fflush(pidfile);
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2010-03-12 16:12:05 +00:00
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}
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return FALSE;
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}
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2010-06-15 17:53:47 +00:00
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/**
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* Delete/truncate the PID file
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*/
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static void unlink_pidfile()
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{
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/* because unlinking the PID file may fail, we truncate it to ensure the
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* daemon can be properly restarted. one probable cause for this is the
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* combination of not running as root and the effective user lacking
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* permissions on the parent dir(s) of the PID file */
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if (pidfile)
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{
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2010-06-07 13:33:25 +00:00
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ignore_result(ftruncate(fileno(pidfile), 0));
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2010-06-15 17:53:47 +00:00
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fclose(pidfile);
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}
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unlink(PID_FILE);
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}
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2010-10-29 07:39:19 +00:00
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/**
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* Initialize logging
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*/
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static void initialize_loggers(bool use_stderr, level_t levels[])
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{
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sys_logger_t *sys_logger;
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file_logger_t *file_logger;
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enumerator_t *enumerator;
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2012-04-20 07:21:03 +00:00
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char *identifier, *facility, *filename;
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2010-10-29 07:39:19 +00:00
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int loggers_defined = 0;
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debug_t group;
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level_t def;
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/* setup sysloggers */
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2012-04-20 07:21:03 +00:00
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identifier = lib->settings->get_str(lib->settings,
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"charon.syslog.identifier", NULL);
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if (identifier)
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{ /* set identifier, which is prepended to each log line */
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openlog(identifier, 0, 0);
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}
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2010-10-29 07:39:19 +00:00
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enumerator = lib->settings->create_section_enumerator(lib->settings,
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"charon.syslog");
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while (enumerator->enumerate(enumerator, &facility))
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{
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loggers_defined++;
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if (streq(facility, "daemon"))
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{
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2012-10-04 16:07:42 +00:00
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sys_logger = sys_logger_create(LOG_DAEMON);
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2010-10-29 07:39:19 +00:00
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}
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else if (streq(facility, "auth"))
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{
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2012-10-04 16:07:42 +00:00
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sys_logger = sys_logger_create(LOG_AUTHPRIV);
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2010-10-29 07:39:19 +00:00
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}
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else
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{
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continue;
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}
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2012-10-04 16:07:42 +00:00
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sys_logger->set_options(sys_logger,
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lib->settings->get_bool(lib->settings,
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"charon.syslog.%s.ike_name", FALSE, facility));
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2010-10-29 07:39:19 +00:00
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def = lib->settings->get_int(lib->settings,
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"charon.syslog.%s.default", 1, facility);
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for (group = 0; group < DBG_MAX; group++)
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{
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sys_logger->set_level(sys_logger, group,
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lib->settings->get_int(lib->settings,
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"charon.syslog.%s.%N", def,
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facility, debug_lower_names, group));
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}
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charon->sys_loggers->insert_last(charon->sys_loggers, sys_logger);
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2012-01-21 13:47:13 +00:00
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charon->bus->add_logger(charon->bus, &sys_logger->logger);
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2010-10-29 07:39:19 +00:00
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}
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enumerator->destroy(enumerator);
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/* and file loggers */
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enumerator = lib->settings->create_section_enumerator(lib->settings,
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"charon.filelog");
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while (enumerator->enumerate(enumerator, &filename))
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{
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loggers_defined++;
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2012-10-04 16:07:42 +00:00
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file_logger = file_logger_create(filename);
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file_logger->set_options(file_logger,
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2010-10-29 07:39:19 +00:00
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lib->settings->get_str(lib->settings,
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"charon.filelog.%s.time_format", NULL, filename),
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lib->settings->get_bool(lib->settings,
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"charon.filelog.%s.ike_name", FALSE, filename));
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2012-10-04 16:07:42 +00:00
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file_logger->open(file_logger,
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lib->settings->get_bool(lib->settings,
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"charon.filelog.%s.flush_line", FALSE, filename),
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lib->settings->get_bool(lib->settings,
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"charon.filelog.%s.append", TRUE, filename));
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2010-10-29 07:39:19 +00:00
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def = lib->settings->get_int(lib->settings,
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"charon.filelog.%s.default", 1, filename);
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for (group = 0; group < DBG_MAX; group++)
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{
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file_logger->set_level(file_logger, group,
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lib->settings->get_int(lib->settings,
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"charon.filelog.%s.%N", def,
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filename, debug_lower_names, group));
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}
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charon->file_loggers->insert_last(charon->file_loggers, file_logger);
|
2012-01-21 13:47:13 +00:00
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charon->bus->add_logger(charon->bus, &file_logger->logger);
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2010-10-29 07:39:19 +00:00
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}
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enumerator->destroy(enumerator);
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/* set up legacy style default loggers provided via command-line */
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if (!loggers_defined)
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{
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/* set up default stdout file_logger */
|
2012-10-04 16:07:42 +00:00
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file_logger = file_logger_create("stdout");
|
|
|
|
file_logger->open(file_logger, FALSE, FALSE);
|
2010-10-29 07:39:19 +00:00
|
|
|
charon->file_loggers->insert_last(charon->file_loggers, file_logger);
|
|
|
|
/* set up default daemon sys_logger */
|
2012-10-04 16:07:42 +00:00
|
|
|
sys_logger = sys_logger_create(LOG_DAEMON);
|
2010-10-29 07:39:19 +00:00
|
|
|
charon->sys_loggers->insert_last(charon->sys_loggers, sys_logger);
|
|
|
|
for (group = 0; group < DBG_MAX; group++)
|
|
|
|
{
|
|
|
|
sys_logger->set_level(sys_logger, group, levels[group]);
|
|
|
|
if (use_stderr)
|
|
|
|
{
|
|
|
|
file_logger->set_level(file_logger, group, levels[group]);
|
|
|
|
}
|
|
|
|
}
|
2012-01-23 12:51:21 +00:00
|
|
|
charon->bus->add_logger(charon->bus, &file_logger->logger);
|
|
|
|
charon->bus->add_logger(charon->bus, &sys_logger->logger);
|
2010-10-29 07:39:19 +00:00
|
|
|
|
|
|
|
/* set up default auth sys_logger */
|
2012-10-04 16:07:42 +00:00
|
|
|
sys_logger = sys_logger_create(LOG_AUTHPRIV);
|
2010-10-29 07:39:19 +00:00
|
|
|
sys_logger->set_level(sys_logger, DBG_ANY, LEVEL_AUDIT);
|
2012-01-23 12:51:21 +00:00
|
|
|
charon->sys_loggers->insert_last(charon->sys_loggers, sys_logger);
|
|
|
|
charon->bus->add_logger(charon->bus, &sys_logger->logger);
|
2010-10-29 07:39:19 +00:00
|
|
|
}
|
|
|
|
}
|
2010-06-15 17:53:47 +00:00
|
|
|
|
2010-03-12 16:12:05 +00:00
|
|
|
/**
|
|
|
|
* print command line usage and exit
|
|
|
|
*/
|
|
|
|
static void usage(const char *msg)
|
|
|
|
{
|
|
|
|
if (msg != NULL && *msg != '\0')
|
|
|
|
{
|
|
|
|
fprintf(stderr, "%s\n", msg);
|
|
|
|
}
|
|
|
|
fprintf(stderr, "Usage: charon\n"
|
|
|
|
" [--help]\n"
|
|
|
|
" [--version]\n"
|
|
|
|
" [--use-syslog]\n"
|
|
|
|
" [--debug-<type> <level>]\n"
|
2012-03-28 13:41:31 +00:00
|
|
|
" <type>: log context type (dmn|mgr|ike|chd|job|cfg|knl|net|asn|enc|tnc|imc|imv|pts|tls|esp|lib)\n"
|
2010-03-12 16:12:05 +00:00
|
|
|
" <level>: log verbosity (-1 = silent, 0 = audit, 1 = control,\n"
|
|
|
|
" 2 = controlmore, 3 = raw, 4 = private)\n"
|
|
|
|
"\n"
|
|
|
|
);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Main function, starts the daemon.
|
|
|
|
*/
|
|
|
|
int main(int argc, char *argv[])
|
|
|
|
{
|
|
|
|
struct sigaction action;
|
|
|
|
bool use_syslog = FALSE;
|
|
|
|
level_t levels[DBG_MAX];
|
2010-03-24 14:22:10 +00:00
|
|
|
int group, status = SS_RC_INITIALIZATION_FAILED;
|
2012-06-28 09:56:15 +00:00
|
|
|
struct utsname utsname;
|
2010-03-12 16:12:05 +00:00
|
|
|
|
|
|
|
/* logging for library during initialization, as we have no bus yet */
|
|
|
|
dbg = dbg_stderr;
|
|
|
|
|
|
|
|
/* initialize library */
|
|
|
|
if (!library_init(NULL))
|
|
|
|
{
|
|
|
|
library_deinit();
|
|
|
|
exit(SS_RC_LIBSTRONGSWAN_INTEGRITY);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (lib->integrity &&
|
|
|
|
!lib->integrity->check_file(lib->integrity, "charon", argv[0]))
|
|
|
|
{
|
2010-03-31 15:26:39 +00:00
|
|
|
dbg_stderr(DBG_DMN, 1, "integrity check of charon failed");
|
2010-03-12 16:12:05 +00:00
|
|
|
library_deinit();
|
|
|
|
exit(SS_RC_DAEMON_INTEGRITY);
|
|
|
|
}
|
|
|
|
|
2010-03-31 11:45:05 +00:00
|
|
|
if (!libhydra_init("charon"))
|
2010-03-12 16:12:05 +00:00
|
|
|
{
|
2010-03-31 15:26:39 +00:00
|
|
|
dbg_stderr(DBG_DMN, 1, "initialization failed - aborting charon");
|
2010-03-24 14:22:10 +00:00
|
|
|
libhydra_deinit();
|
2010-03-12 16:12:05 +00:00
|
|
|
library_deinit();
|
|
|
|
exit(SS_RC_INITIALIZATION_FAILED);
|
|
|
|
}
|
|
|
|
|
2012-04-24 09:07:56 +00:00
|
|
|
if (!libcharon_init("charon"))
|
2010-03-24 14:22:10 +00:00
|
|
|
{
|
2010-03-31 15:26:39 +00:00
|
|
|
dbg_stderr(DBG_DMN, 1, "initialization failed - aborting charon");
|
2010-03-24 14:22:10 +00:00
|
|
|
goto deinit;
|
|
|
|
}
|
|
|
|
|
2010-03-12 16:12:05 +00:00
|
|
|
/* use CTRL loglevel for default */
|
|
|
|
for (group = 0; group < DBG_MAX; group++)
|
|
|
|
{
|
|
|
|
levels[group] = LEVEL_CTRL;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* handle arguments */
|
|
|
|
for (;;)
|
|
|
|
{
|
|
|
|
struct option long_opts[] = {
|
|
|
|
{ "help", no_argument, NULL, 'h' },
|
|
|
|
{ "version", no_argument, NULL, 'v' },
|
|
|
|
{ "use-syslog", no_argument, NULL, 'l' },
|
|
|
|
/* TODO: handle "debug-all" */
|
|
|
|
{ "debug-dmn", required_argument, &group, DBG_DMN },
|
|
|
|
{ "debug-mgr", required_argument, &group, DBG_MGR },
|
|
|
|
{ "debug-ike", required_argument, &group, DBG_IKE },
|
|
|
|
{ "debug-chd", required_argument, &group, DBG_CHD },
|
|
|
|
{ "debug-job", required_argument, &group, DBG_JOB },
|
|
|
|
{ "debug-cfg", required_argument, &group, DBG_CFG },
|
|
|
|
{ "debug-knl", required_argument, &group, DBG_KNL },
|
|
|
|
{ "debug-net", required_argument, &group, DBG_NET },
|
2011-12-16 15:27:28 +00:00
|
|
|
{ "debug-asn", required_argument, &group, DBG_ASN },
|
2010-03-12 16:12:05 +00:00
|
|
|
{ "debug-enc", required_argument, &group, DBG_ENC },
|
2010-10-09 14:01:19 +00:00
|
|
|
{ "debug-tnc", required_argument, &group, DBG_TNC },
|
2011-05-29 08:25:13 +00:00
|
|
|
{ "debug-imc", required_argument, &group, DBG_IMC },
|
|
|
|
{ "debug-imv", required_argument, &group, DBG_IMV },
|
2011-09-10 22:11:04 +00:00
|
|
|
{ "debug-pts", required_argument, &group, DBG_PTS },
|
2010-08-23 15:51:40 +00:00
|
|
|
{ "debug-tls", required_argument, &group, DBG_TLS },
|
2012-03-28 13:41:31 +00:00
|
|
|
{ "debug-esp", required_argument, &group, DBG_ESP },
|
2010-03-12 16:12:05 +00:00
|
|
|
{ "debug-lib", required_argument, &group, DBG_LIB },
|
|
|
|
{ 0,0,0,0 }
|
|
|
|
};
|
|
|
|
|
|
|
|
int c = getopt_long(argc, argv, "", long_opts, NULL);
|
|
|
|
switch (c)
|
|
|
|
{
|
|
|
|
case EOF:
|
|
|
|
break;
|
|
|
|
case 'h':
|
|
|
|
usage(NULL);
|
2010-05-04 15:33:35 +00:00
|
|
|
status = 0;
|
|
|
|
goto deinit;
|
2010-03-12 16:12:05 +00:00
|
|
|
case 'v':
|
|
|
|
printf("Linux strongSwan %s\n", VERSION);
|
2010-03-24 14:24:50 +00:00
|
|
|
status = 0;
|
|
|
|
goto deinit;
|
2010-03-12 16:12:05 +00:00
|
|
|
case 'l':
|
|
|
|
use_syslog = TRUE;
|
|
|
|
continue;
|
|
|
|
case 0:
|
|
|
|
/* option is in group */
|
|
|
|
levels[group] = atoi(optarg);
|
|
|
|
continue;
|
|
|
|
default:
|
|
|
|
usage("");
|
2010-05-04 15:33:35 +00:00
|
|
|
status = 1;
|
|
|
|
goto deinit;
|
2010-03-12 16:12:05 +00:00
|
|
|
}
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!lookup_uid_gid())
|
|
|
|
{
|
2010-03-31 15:26:39 +00:00
|
|
|
dbg_stderr(DBG_DMN, 1, "invalid uid/gid - aborting charon");
|
2010-03-24 14:22:10 +00:00
|
|
|
goto deinit;
|
2010-03-12 16:12:05 +00:00
|
|
|
}
|
|
|
|
|
2010-10-29 07:39:19 +00:00
|
|
|
initialize_loggers(!use_syslog, levels);
|
|
|
|
|
2012-06-28 09:56:15 +00:00
|
|
|
if (uname(&utsname) != 0)
|
|
|
|
{
|
|
|
|
memset(&utsname, 0, sizeof(utsname));
|
|
|
|
}
|
|
|
|
DBG1(DBG_DMN, "Starting IKE charon daemon (strongSwan "VERSION", %s %s, %s)",
|
|
|
|
utsname.sysname, utsname.release, utsname.machine);
|
2012-04-19 11:32:51 +00:00
|
|
|
if (lib->integrity)
|
|
|
|
{
|
|
|
|
DBG1(DBG_DMN, "integrity tests enabled:");
|
|
|
|
DBG1(DBG_DMN, "lib 'libstrongswan': passed file and segment integrity tests");
|
|
|
|
DBG1(DBG_DMN, "lib 'libhydra': passed file and segment integrity tests");
|
|
|
|
DBG1(DBG_DMN, "lib 'libcharon': passed file and segment integrity tests");
|
|
|
|
DBG1(DBG_DMN, "daemon 'charon': passed file integrity test");
|
|
|
|
}
|
|
|
|
|
2010-03-12 16:12:05 +00:00
|
|
|
/* initialize daemon */
|
2012-04-19 11:32:51 +00:00
|
|
|
if (!charon->initialize(charon,
|
|
|
|
lib->settings->get_str(lib->settings, "charon.load", PLUGINS)))
|
2010-03-12 16:12:05 +00:00
|
|
|
{
|
|
|
|
DBG1(DBG_DMN, "initialization failed - aborting charon");
|
2010-03-24 14:22:10 +00:00
|
|
|
goto deinit;
|
2010-03-12 16:12:05 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
if (check_pidfile())
|
|
|
|
{
|
|
|
|
DBG1(DBG_DMN, "charon already running (\""PID_FILE"\" exists)");
|
2010-03-24 14:22:10 +00:00
|
|
|
status = -1;
|
|
|
|
goto deinit;
|
2010-03-12 16:12:05 +00:00
|
|
|
}
|
|
|
|
|
2012-07-03 11:07:24 +00:00
|
|
|
if (!charon->caps->drop(charon->caps))
|
2010-03-12 16:12:05 +00:00
|
|
|
{
|
|
|
|
DBG1(DBG_DMN, "capability dropping failed - aborting charon");
|
2010-03-24 14:22:10 +00:00
|
|
|
goto deinit;
|
2010-03-12 16:12:05 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/* add handler for SEGV and ILL,
|
|
|
|
* INT, TERM and HUP are handled by sigwait() in run() */
|
|
|
|
action.sa_handler = segv_handler;
|
|
|
|
action.sa_flags = 0;
|
|
|
|
sigemptyset(&action.sa_mask);
|
|
|
|
sigaddset(&action.sa_mask, SIGINT);
|
|
|
|
sigaddset(&action.sa_mask, SIGTERM);
|
|
|
|
sigaddset(&action.sa_mask, SIGHUP);
|
|
|
|
sigaction(SIGSEGV, &action, NULL);
|
|
|
|
sigaction(SIGILL, &action, NULL);
|
|
|
|
sigaction(SIGBUS, &action, NULL);
|
|
|
|
action.sa_handler = SIG_IGN;
|
|
|
|
sigaction(SIGPIPE, &action, NULL);
|
|
|
|
|
|
|
|
pthread_sigmask(SIG_SETMASK, &action.sa_mask, NULL);
|
|
|
|
|
|
|
|
/* start daemon (i.e. the threads in the thread-pool) */
|
|
|
|
charon->start(charon);
|
|
|
|
|
|
|
|
/* main thread goes to run loop */
|
|
|
|
run();
|
|
|
|
|
|
|
|
/* normal termination, cleanup and exit */
|
2010-06-15 17:53:47 +00:00
|
|
|
unlink_pidfile();
|
2010-03-24 14:22:10 +00:00
|
|
|
status = 0;
|
2010-03-12 16:12:05 +00:00
|
|
|
|
2010-03-24 14:22:10 +00:00
|
|
|
deinit:
|
|
|
|
libcharon_deinit();
|
|
|
|
libhydra_deinit();
|
|
|
|
library_deinit();
|
|
|
|
return status;
|
2010-03-12 16:12:05 +00:00
|
|
|
}
|
|
|
|
|