Add systemd readiness notification support (closes: #778913).

1 files changed, 84 insertions, 0 deletions

diff --git a/debian/patches/systemd-readiness.patch b/debian/patches/systemd-readiness.patch
new file mode 100644
index 000000000..bbe3b2cd5
--- /dev/null
+++ b/debian/patches/systemd-readiness.patch
@@ -0,0 +1,84 @@
+From 818791ef8edf087481bd49eb32335c8d7e1953d6 Mon Sep 17 00:00:00 2001
+From: Michael Biebl <biebl@debian.org>
+Date: Mon, 21 Dec 2015 16:08:47 +0000
+Subject: Add systemd readiness notification support
+
+Bug-Debian: https://bugs.debian.org/778913
+Forwarded: no
+Last-Update: 2015-12-21
+
+Patch-Name: systemd-readiness.patch
+---
+ configure.ac | 24 ++++++++++++++++++++++++
+ sshd.c       |  9 +++++++++
+ 2 files changed, 33 insertions(+)
+
+diff --git a/configure.ac b/configure.ac
+index 128889a..eec2b72 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -4213,6 +4213,29 @@ AC_ARG_WITH([kerberos5],
+ AC_SUBST([GSSLIBS])
+ AC_SUBST([K5LIBS])
+ 
++# 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
+@@ -5014,6 +5037,7 @@ echo "              MD5 password support: $MD5_MSG"
+ echo "                   libedit support: $LIBEDIT_MSG"
+ echo "  Solaris process contract support: $SPC_MSG"
+ echo "           Solaris project support: $SP_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 7e72b9b..4d28dc0 100644
+--- a/sshd.c
++++ b/sshd.c
+@@ -85,6 +85,10 @@
+ #include <prot.h>
+ #endif
+ 
++#ifdef HAVE_SYSTEMD
++#include <systemd/sd-daemon.h>
++#endif
++
+ #include "xmalloc.h"
+ #include "ssh.h"
+ #include "ssh1.h"
+@@ -2011,6 +2015,11 @@ main(int ac, char **av)
+        /* ignore SIGPIPE */
+        signal(SIGPIPE, SIG_IGN);
+ 
++#ifdef HAVE_SYSTEMD
++       /* Signal systemd that we are ready to accept connections */
++       sd_notify(0, "READY=1");
++#endif
++
+        /* Get a connection, either from inetd or a listening TCP socket */
+        if (inetd_flag) {
+                server_accept_inetd(&sock_in, &sock_out);