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authorRomain Francoise <rfrancoise@debian.org>2014-10-21 19:28:38 +0200
committerRomain Francoise <rfrancoise@debian.org>2014-10-21 19:28:38 +0200
commit2b8de74ff4c334c25e89988c4a401b24b5bcf03d (patch)
tree10fb49ca94bfd0c8b8a583412281abfc0186836e /src/charon-systemd
parent81c63b0eed39432878f78727f60a1e7499645199 (diff)
downloadvyos-strongswan-2b8de74ff4c334c25e89988c4a401b24b5bcf03d.tar.gz
vyos-strongswan-2b8de74ff4c334c25e89988c4a401b24b5bcf03d.zip
Import upstream release 5.2.1
Diffstat (limited to 'src/charon-systemd')
-rw-r--r--src/charon-systemd/Makefile.am19
-rw-r--r--src/charon-systemd/Makefile.in765
-rw-r--r--src/charon-systemd/charon-systemd.c403
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 @@
+sbin_PROGRAMS = charon-systemd
+
+charon_systemd_SOURCES = \
+charon-systemd.c
+
+charon-systemd.o : $(top_builddir)/config.status
+
+charon_systemd_CPPFLAGS = \
+ -I$(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) $(DLLIB)
diff --git a/src/charon-systemd/Makefile.in b/src/charon-systemd/Makefile.in
new file mode 100644
index 000000000..790c8ef8f
--- /dev/null
+++ b/src/charon-systemd/Makefile.in
@@ -0,0 +1,765 @@
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+# @configure_input@
+
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+
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+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
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+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
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+ sed -e 'h;s,^.*/,,;s/$(EXEEXT)$$//;$(transform)' \
+ -e 's/$$/$(EXEEXT)/' \
+ `; \
+ test -n "$$list" || exit 0; \
+ echo " ( cd '$(DESTDIR)$(sbindir)' && rm -f" $$files ")"; \
+ cd "$(DESTDIR)$(sbindir)" && rm -f $$files
+
+clean-sbinPROGRAMS:
+ @list='$(sbin_PROGRAMS)'; test -n "$$list" || exit 0; \
+ echo " rm -f" $$list; \
+ rm -f $$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 $$depbase.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@ $(AM_V_CC)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
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+
+.c.obj:
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+@am__fastdepCC_FALSE@ $(AM_V_CC@am__nodep@)$(COMPILE) -c -o $@ `$(CYGPATH_W) '$<'`
+
+.c.lo:
+@am__fastdepCC_TRUE@ $(AM_V_CC)depbase=`echo $@ | sed 's|[^/]*$$|$(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
+@AMDEP_TRUE@@am__fastdepCC_FALSE@ $(AM_V_CC)source='charon-systemd.c' object='charon_systemd-charon-systemd.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@ $(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(charon_systemd_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o charon_systemd-charon-systemd.o `test -f 'charon-systemd.c' || echo '$(srcdir)/'`charon-systemd.c
+
+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@ $(AM_V_CC)source='charon-systemd.c' object='charon_systemd-charon-systemd.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@ $(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(charon_systemd_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -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`
+
+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
+
+cscopelist-am: $(am__tagged_files)
+ list='$(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
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+ $(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:
+
+info: info-am
+
+info-am:
+
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+
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+install-exec-am: install-sbinPROGRAMS
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+maintainer-clean: maintainer-clean-am
+ -rm -rf ./$(DEPDIR)
+ -rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+ mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
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+ps: ps-am
+
+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();
+}