| From b02ef7621758f06eb686ef4f620636dbad086eda Mon Sep 17 00:00:00 2001 |
| From: Matt Jolly <Matt.Jolly@footclan.ninja> |
| Date: Thu, 2 Feb 2023 21:05:40 +1100 |
| Subject: [PATCH] systemd: Add optional support for systemd `sd_notify` |
| |
| This is a rebase of Dennis Lamm's <expeditioneer@gentoo.org> |
| patch based on Jakub Jelen's <jjelen@redhat.com> original patch |
| |
| Upstream-Status: Submitted [https://github.com/openssh/openssh-portable/pull/375/commits/be187435911cde6cc3cef6982a508261074f1e56] |
| |
| Signed-off-by: Xiangyu Chen <xiangyu.chen@windriver.com> |
| --- |
| configure.ac | 24 ++++++++++++++++++++++++ |
| sshd.c | 13 +++++++++++++ |
| 2 files changed, 37 insertions(+) |
| |
| diff --git a/configure.ac b/configure.ac |
| index 82e8bb7..d1145d3 100644 |
| --- a/configure.ac |
| +++ b/configure.ac |
| @@ -4870,6 +4870,29 @@ AC_SUBST([GSSLIBS]) |
| AC_SUBST([K5LIBS]) |
| AC_SUBST([CHANNELLIBS]) |
| |
| +# Check whether user wants systemd support |
| +SYSTEMD_MSG="no" |
| +AC_ARG_WITH(systemd, |
| + [ --with-systemd Enable systemd support], |
| + [ if test "x$withval" != "xno" ; then |
| + AC_PATH_TOOL([PKGCONFIG], [pkg-config], [no]) |
| + if test "$PKGCONFIG" != "no"; then |
| + AC_MSG_CHECKING([for libsystemd]) |
| + if $PKGCONFIG --exists libsystemd; then |
| + SYSTEMD_CFLAGS=`$PKGCONFIG --cflags libsystemd` |
| + SYSTEMD_LIBS=`$PKGCONFIG --libs libsystemd` |
| + CPPFLAGS="$CPPFLAGS $SYSTEMD_CFLAGS" |
| + SSHDLIBS="$SSHDLIBS $SYSTEMD_LIBS" |
| + AC_MSG_RESULT([yes]) |
| + AC_DEFINE(HAVE_SYSTEMD, 1, [Define if you want systemd support.]) |
| + SYSTEMD_MSG="yes" |
| + else |
| + AC_MSG_RESULT([no]) |
| + fi |
| + fi |
| + fi ] |
| +) |
| + |
| # Looking for programs, paths and files |
| |
| PRIVSEP_PATH=/var/empty |
| @@ -5688,6 +5711,7 @@ echo " libldns support: $LDNS_MSG" |
| echo " Solaris process contract support: $SPC_MSG" |
| echo " Solaris project support: $SP_MSG" |
| echo " Solaris privilege support: $SPP_MSG" |
| +echo " systemd support: $SYSTEMD_MSG" |
| echo " IP address in \$DISPLAY hack: $DISPLAY_HACK_MSG" |
| echo " Translate v4 in v6 hack: $IPV4_IN6_HACK_MSG" |
| echo " BSD Auth support: $BSD_AUTH_MSG" |
| diff --git a/sshd.c b/sshd.c |
| index b4f2b97..6820a41 100644 |
| --- a/sshd.c |
| +++ b/sshd.c |
| @@ -88,6 +88,10 @@ |
| #include <prot.h> |
| #endif |
| |
| +#ifdef HAVE_SYSTEMD |
| +#include <systemd/sd-daemon.h> |
| +#endif |
| + |
| #include "xmalloc.h" |
| #include "ssh.h" |
| #include "ssh2.h" |
| @@ -308,6 +312,10 @@ static void |
| sighup_restart(void) |
| { |
| logit("Received SIGHUP; restarting."); |
| +#ifdef HAVE_SYSTEMD |
| + /* Signal systemd that we are reloading */ |
| + sd_notify(0, "RELOADING=1"); |
| +#endif |
| if (options.pid_file != NULL) |
| unlink(options.pid_file); |
| platform_pre_restart(); |
| @@ -2093,6 +2101,11 @@ main(int ac, char **av) |
| } |
| } |
| |
| +#ifdef HAVE_SYSTEMD |
| + /* Signal systemd that we are ready to accept connections */ |
| + sd_notify(0, "READY=1"); |
| +#endif |
| + |
| /* Accept a connection and return in a forked child */ |
| server_accept_loop(&sock_in, &sock_out, |
| &newsock, config_s); |