3 files changed, 1187 insertions, 0 deletions

diff --git a/src/charon-systemd/Makefile.am b/src/charon-systemd/Makefile.am
new file mode 100644
index 000000000..1b9ac150f
--- /dev/null
+++ b/src/charon-systemd/Makefile.am
@@ -0,0 +1,19 @@
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+
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+charon-systemd.c
+
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+
+charon_systemd_CPPFLAGS = \
+	-I$(top_srcdir)/src/libstrongswan \
+	-I$(top_srcdir)/src/libhydra \
+	-I$(top_srcdir)/src/libcharon \
+	$(systemd_daemon_CFLAGS) $(systemd_journal_CFLAGS) \
+	-DPLUGINS=\""${charon_plugins}\""
+
+charon_systemd_LDADD = \
+	$(top_builddir)/src/libstrongswan/libstrongswan.la \
+	$(top_builddir)/src/libhydra/libhydra.la \
+	$(top_builddir)/src/libcharon/libcharon.la \
+	$(systemd_daemon_LIBS) $(systemd_journal_LIBS) -lm $(PTHREADLIB) $(DLLIB)
diff --git a/src/charon-systemd/Makefile.in b/src/charon-systemd/Makefile.in
new file mode 100644
index 000000000..790c8ef8f
--- /dev/null
+++ b/src/charon-systemd/Makefile.in
@@ -0,0 +1,765 @@
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+	$(top_builddir)/src/libhydra/libhydra.la \
+	$(top_builddir)/src/libcharon/libcharon.la \
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+	rm -f $$list || exit $$?; \
+	test -n "$(EXEEXT)" || exit 0; \
+	list=`for p in $$list; do echo "$$p"; done | sed 's/$(EXEEXT)$$//'`; \
+	echo " rm -f" $$list; \
+	rm -f $$list
+
+charon-systemd$(EXEEXT): $(charon_systemd_OBJECTS) $(charon_systemd_DEPENDENCIES) $(EXTRA_charon_systemd_DEPENDENCIES) 
+	@rm -f charon-systemd$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(charon_systemd_OBJECTS) $(charon_systemd_LDADD) $(LIBS)
+
+mostlyclean-compile:
+	-rm -f *.$(OBJEXT)
+
+distclean-compile:
+	-rm -f *.tab.c
+
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/charon_systemd-charon-systemd.Po@am__quote@
+
+.c.o:
+@am__fastdepCC_TRUE@	$(AM_V_CC)depbase=`echo $@ | sed 's|[^/]*$$|$(DEPDIR)/&|;s|\.o$$||'`;\
+@am__fastdepCC_TRUE@	$(COMPILE) -MT $@ -MD -MP -MF $$depbase.Tpo -c -o $@ $< &&\
+@am__fastdepCC_TRUE@	$(am__mv) $$depbase.Tpo $$depbase.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
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+
+.c.obj:
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+@am__fastdepCC_TRUE@	$(am__mv) $$depbase.Tpo $$depbase.Po
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+
+.c.lo:
+@am__fastdepCC_TRUE@	$(AM_V_CC)depbase=`echo $@ | sed 's|[^/]*$$|$(DEPDIR)/&|;s|\.lo$$||'`;\
+@am__fastdepCC_TRUE@	$(LTCOMPILE) -MT $@ -MD -MP -MF $$depbase.Tpo -c -o $@ $< &&\
+@am__fastdepCC_TRUE@	$(am__mv) $$depbase.Tpo $$depbase.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$<' object='$@' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(LTCOMPILE) -c -o $@ $<
+
+charon_systemd-charon-systemd.o: charon-systemd.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(charon_systemd_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT charon_systemd-charon-systemd.o -MD -MP -MF $(DEPDIR)/charon_systemd-charon-systemd.Tpo -c -o charon_systemd-charon-systemd.o `test -f 'charon-systemd.c' || echo '$(srcdir)/'`charon-systemd.c
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/charon_systemd-charon-systemd.Tpo $(DEPDIR)/charon_systemd-charon-systemd.Po
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+
+charon_systemd-charon-systemd.obj: charon-systemd.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(charon_systemd_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT charon_systemd-charon-systemd.obj -MD -MP -MF $(DEPDIR)/charon_systemd-charon-systemd.Tpo -c -o charon_systemd-charon-systemd.obj `if test -f 'charon-systemd.c'; then $(CYGPATH_W) 'charon-systemd.c'; else $(CYGPATH_W) '$(srcdir)/charon-systemd.c'; fi`
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/charon_systemd-charon-systemd.Tpo $(DEPDIR)/charon_systemd-charon-systemd.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='charon-systemd.c' object='charon_systemd-charon-systemd.obj' libtool=no @AMDEPBACKSLASH@
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+
+mostlyclean-libtool:
+	-rm -f *.lo
+
+clean-libtool:
+	-rm -rf .libs _libs
+
+ID: $(am__tagged_files)
+	$(am__define_uniq_tagged_files); mkid -fID $$unique
+tags: tags-am
+TAGS: tags
+
+tags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	set x; \
+	here=`pwd`; \
+	$(am__define_uniq_tagged_files); \
+	shift; \
+	if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
+	  test -n "$$unique" || unique=$$empty_fix; \
+	  if test $$# -gt 0; then \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      "$$@" $$unique; \
+	  else \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      $$unique; \
+	  fi; \
+	fi
+ctags: ctags-am
+
+CTAGS: ctags
+ctags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	$(am__define_uniq_tagged_files); \
+	test -z "$(CTAGS_ARGS)$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && $(am__cd) $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) "$$here"
+cscopelist: cscopelist-am
+
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+	list='$(am__tagged_files)'; \
+	case "$(srcdir)" in \
+	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
+	  *) sdir=$(subdir)/$(srcdir) ;; \
+	esac; \
+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+
+distdir: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile $(PROGRAMS)
+installdirs:
+	for dir in "$(DESTDIR)$(sbindir)"; do \
+	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+	done
+install: install-am
+install-exec: install-exec-am
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+install-am: all-am
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+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-sbinPROGRAMS \
+	mostlyclean-am
+
+distclean: distclean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
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+info: info-am
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+info-am:
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+install-data-am:
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+install-exec-am: install-sbinPROGRAMS
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+install-html: install-html-am
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+install-ps-am:
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+maintainer-clean: maintainer-clean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
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+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
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+pdf: pdf-am
+
+pdf-am:
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+ps: ps-am
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+ps-am:
+
+uninstall-am: uninstall-sbinPROGRAMS
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS TAGS all all-am check check-am clean clean-generic \
+	clean-libtool clean-sbinPROGRAMS cscopelist-am ctags ctags-am \
+	distclean distclean-compile distclean-generic \
+	distclean-libtool distclean-tags distdir dvi dvi-am html \
+	html-am info info-am install install-am install-data \
+	install-data-am install-dvi install-dvi-am install-exec \
+	install-exec-am install-html install-html-am install-info \
+	install-info-am install-man install-pdf install-pdf-am \
+	install-ps install-ps-am install-sbinPROGRAMS install-strip \
+	installcheck installcheck-am installdirs maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-compile \
+	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+	tags tags-am uninstall uninstall-am uninstall-sbinPROGRAMS
+
+
+charon-systemd.o :	$(top_builddir)/config.status
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/src/charon-systemd/charon-systemd.c b/src/charon-systemd/charon-systemd.c
new file mode 100644
index 000000000..4a2136fc9
--- /dev/null
+++ b/src/charon-systemd/charon-systemd.c
@@ -0,0 +1,403 @@
+/*
+ * Copyright (C) 2006-2012 Tobias Brunner
+ * Copyright (C) 2005-2014 Martin Willi
+ * Copyright (C) 2006 Daniel Roethlisberger
+ * Copyright (C) 2005 Jan Hutter
+ * Hochschule fuer Technik Rapperswil
+ * Copyright (C) 2014 revosec AG
+ *
+ * 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 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * 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.
+ */
+
+#include <signal.h>
+#include <stdio.h>
+#include <pthread.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <sys/utsname.h>
+#include <unistd.h>
+#include <errno.h>
+
+/* won't make sense from our logging hook */
+#define SD_JOURNAL_SUPPRESS_LOCATION
+#include <systemd/sd-daemon.h>
+#include <systemd/sd-journal.h>
+
+#include <hydra.h>
+#include <daemon.h>
+
+#include <library.h>
+#include <utils/backtrace.h>
+#include <threading/thread.h>
+#include <threading/rwlock.h>
+
+/**
+ * hook in library for debugging messages
+ */
+extern void (*dbg) (debug_t group, level_t level, char *fmt, ...);
+
+/**
+ * Logging hook for library logs, using stderr output
+ */
+static void dbg_stderr(debug_t group, level_t level, char *fmt, ...)
+{
+	va_list args;
+
+	if (level <= 1)
+	{
+		va_start(args, fmt);
+		fprintf(stderr, "00[%N] ", debug_names, group);
+		vfprintf(stderr, fmt, args);
+		fprintf(stderr, "\n");
+		va_end(args);
+	}
+}
+
+typedef struct journal_logger_t journal_logger_t;
+
+/**
+ * Logger implementation using systemd-journal
+ */
+struct journal_logger_t {
+
+	/**
+	 * Implements logger_t
+	 */
+	logger_t logger;
+
+	/**
+	 * Configured loglevels
+	 */
+	level_t levels[DBG_MAX];
+
+	/**
+	 * Lock for levels
+	 */
+	rwlock_t *lock;
+};
+
+METHOD(logger_t, vlog, void,
+	journal_logger_t *this, debug_t group, level_t level, int thread,
+	ike_sa_t *ike_sa, const char *fmt, va_list args)
+{
+	char buf[4096], *msg = buf;
+	ssize_t len;
+	va_list copy;
+
+	va_copy(copy, args);
+	len = vsnprintf(msg, sizeof(buf), fmt, copy);
+	va_end(copy);
+
+	if (len >= sizeof(buf))
+	{
+		len++;
+		msg = malloc(len);
+		va_copy(copy, args);
+		len = vsnprintf(msg, len, fmt, copy);
+		va_end(copy);
+	}
+	if (len > 0)
+	{
+		char unique[64] = "", name[256] = "";
+		int priority;
+
+		if (ike_sa)
+		{
+			snprintf(unique, sizeof(unique), "IKE_SA_UNIQUE_ID=%u",
+					 ike_sa->get_unique_id(ike_sa));
+			if (ike_sa->get_peer_cfg(ike_sa))
+			{
+				snprintf(name, sizeof(name), "IKE_SA_NAME=%s",
+						 ike_sa->get_name(ike_sa));
+			}
+		}
+		switch (level)
+		{
+			case LEVEL_AUDIT:
+				priority = LOG_NOTICE;
+				break;
+			case LEVEL_CTRL:
+				priority = LOG_INFO;
+				break;
+			default:
+				priority = LOG_DEBUG;
+				break;
+		}
+		sd_journal_send(
+			"MESSAGE=%s", msg,
+			"MESSAGE_ID=57d2708c-d607-43bd-8c39-66bf%.8x",
+				chunk_hash_static(chunk_from_str((char*)fmt)),
+			"PRIORITY=%d", priority,
+			"GROUP=%N", debug_names, group,
+			"LEVEL=%d", level,
+			"THREAD=%d", thread,
+			unique[0] ? unique : NULL,
+			name[0] ? name : NULL,
+			NULL);
+	}
+	if (msg != buf)
+	{
+		free(msg);
+	}
+}
+
+METHOD(logger_t, get_level, level_t,
+	journal_logger_t *this, debug_t group)
+{
+	level_t level;
+
+	this->lock->read_lock(this->lock);
+	level = this->levels[group];
+	this->lock->unlock(this->lock);
+
+	return level;
+}
+
+/**
+ * Reload journal logger configuration
+ */
+CALLBACK(journal_reload, bool,
+	journal_logger_t **journal)
+{
+	journal_logger_t *this = *journal;
+	debug_t group;
+	level_t def;
+
+	def = lib->settings->get_int(lib->settings, "%s.journal.default", 1, lib->ns);
+
+	this->lock->write_lock(this->lock);
+	for (group = 0; group < DBG_MAX; group++)
+	{
+		this->levels[group] =
+			lib->settings->get_int(lib->settings,
+				"%s.journal.%N", def, lib->ns, debug_lower_names, group);
+	}
+	this->lock->unlock(this->lock);
+
+	charon->bus->add_logger(charon->bus, &this->logger);
+
+	return TRUE;
+}
+
+/**
+ * Initialize/deinitialize journal logger
+ */
+static bool journal_register(void *plugin, plugin_feature_t *feature,
+							 bool reg, journal_logger_t **logger)
+{
+	journal_logger_t *this;
+
+	if (reg)
+	{
+		INIT(this,
+			.logger = {
+				.vlog = _vlog,
+				.get_level = _get_level,
+			},
+			.lock = rwlock_create(RWLOCK_TYPE_DEFAULT),
+		);
+
+		journal_reload(&this);
+
+		*logger = this;
+		return TRUE;
+	}
+	else
+	{
+		this = *logger;
+
+		charon->bus->remove_logger(charon->bus, &this->logger);
+
+		this->lock->destroy(this->lock);
+		free(this);
+
+		return TRUE;
+	}
+}
+
+/**
+ * Run the daemon and handle unix signals
+ */
+static int run()
+{
+	sigset_t set;
+
+	sigemptyset(&set);
+	sigaddset(&set, SIGTERM);
+	sigprocmask(SIG_BLOCK, &set, NULL);
+
+	sd_notify(0, "READY=1\n");
+
+	while (TRUE)
+	{
+		int sig, error;
+
+		error = sigwait(&set, &sig);
+		if (error)
+		{
+			DBG1(DBG_DMN, "waiting for signal failed: %s", strerror(error));
+			return SS_RC_INITIALIZATION_FAILED;
+		}
+		switch (sig)
+		{
+			case SIGTERM:
+			{
+				DBG1(DBG_DMN, "SIGTERM received, shutting down");
+				charon->bus->alert(charon->bus, ALERT_SHUTDOWN_SIGNAL, sig);
+				return 0;
+			}
+			default:
+			{
+				DBG1(DBG_DMN, "unknown signal %d received. Ignored", sig);
+				break;
+			}
+		}
+	}
+}
+
+/**
+ * lookup UID and GID
+ */
+static bool lookup_uid_gid()
+{
+#ifdef IPSEC_USER
+	if (!lib->caps->resolve_uid(lib->caps, IPSEC_USER))
+	{
+		return FALSE;
+	}
+#endif /* IPSEC_USER */
+#ifdef IPSEC_GROUP
+	if (!lib->caps->resolve_gid(lib->caps, IPSEC_GROUP))
+	{
+		return FALSE;
+	}
+#endif /* IPSEC_GROUP */
+	return TRUE;
+}
+
+/**
+ * Handle SIGSEGV/SIGILL signals raised by threads
+ */
+static void segv_handler(int signal)
+{
+	backtrace_t *backtrace;
+
+	DBG1(DBG_DMN, "thread %u received %d", thread_current_id(), signal);
+	backtrace = backtrace_create(2);
+	backtrace->log(backtrace, NULL, TRUE);
+	backtrace->log(backtrace, stderr, TRUE);
+	backtrace->destroy(backtrace);
+
+	DBG1(DBG_DMN, "killing ourself, received critical signal");
+	abort();
+}
+
+/**
+ * The journal logger instance
+ */
+static journal_logger_t *journal;
+
+/**
+ * Journal static features
+ */
+static plugin_feature_t features[] = {
+	PLUGIN_CALLBACK((plugin_feature_callback_t)journal_register, &journal),
+		PLUGIN_PROVIDE(CUSTOM, "systemd-journal"),
+};
+
+/**
+ * Main function, starts the daemon.
+ */
+int main(int argc, char *argv[])
+{
+	struct sigaction action;
+	struct utsname utsname;
+
+	dbg = dbg_stderr;
+
+	if (uname(&utsname) != 0)
+	{
+		memset(&utsname, 0, sizeof(utsname));
+	}
+
+	sd_notifyf(0, "STATUS=Starting charon-systemd, strongSwan %s, %s %s, %s",
+			   VERSION, utsname.sysname, utsname.release, utsname.machine);
+
+	atexit(library_deinit);
+	if (!library_init(NULL, "charon-systemd"))
+	{
+		sd_notifyf(0, "STATUS=libstrongswan initialization failed");
+		return SS_RC_INITIALIZATION_FAILED;
+	}
+	if (lib->integrity &&
+		!lib->integrity->check_file(lib->integrity, "charon-systemd", argv[0]))
+	{
+		sd_notifyf(0, "STATUS=integrity check of charon-systemd failed");
+		return SS_RC_INITIALIZATION_FAILED;
+	}
+	atexit(libhydra_deinit);
+	if (!libhydra_init())
+	{
+		sd_notifyf(0, "STATUS=libhydra initialization failed");
+		return SS_RC_INITIALIZATION_FAILED;
+	}
+	atexit(libcharon_deinit);
+	if (!libcharon_init())
+	{
+		sd_notifyf(0, "STATUS=libcharon initialization failed");
+		return SS_RC_INITIALIZATION_FAILED;
+	}
+	if (!lookup_uid_gid())
+	{
+		sd_notifyf(0, "STATUS=unknown uid/gid");
+		return SS_RC_INITIALIZATION_FAILED;
+	}
+	charon->load_loggers(charon, NULL, FALSE);
+
+	lib->plugins->add_static_features(lib->plugins, lib->ns, features,
+							countof(features), TRUE, journal_reload, &journal);
+
+	if (!charon->initialize(charon, PLUGINS))
+	{
+		sd_notifyf(0, "STATUS=charon initialization failed");
+		return SS_RC_INITIALIZATION_FAILED;
+	}
+	lib->plugins->status(lib->plugins, LEVEL_CTRL);
+
+	if (!lib->caps->drop(lib->caps))
+	{
+		sd_notifyf(0, "STATUS=dropping capabilities failed");
+		return SS_RC_INITIALIZATION_FAILED;
+	}
+
+	/* 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);
+
+	charon->start(charon);
+
+	sd_notifyf(0, "STATUS=charon-systemd running, strongSwan %s, %s %s, %s",
+			   VERSION, utsname.sysname, utsname.release, utsname.machine);
+
+	return run();
+}