[OE-core] [PATCH] [v2] openssh: Enabling with systemd

[Shakeel, Muhammad]

From: Muhammad Shakeel <muhammad_shakeel at mentor.com>

- Remove dependency on systemd layer
- Install 'sysv' related files only if distro has this feature

Signed-off-by: Muhammad Shakeel <muhammad_shakeel at mentor.com>
---
 .../openssh/openssh-6.2p2/sshd.socket              |   11 ++++++++
 .../openssh/openssh-6.2p2/sshd at .service            |    9 ++++++
 .../openssh/openssh-6.2p2/sshdgenkeys.service      |   10 +++++++
 meta/recipes-connectivity/openssh/openssh_6.2p2.bb |   29 +++++++++++++++++---
 4 files changed, 55 insertions(+), 4 deletions(-)

diff --git a/meta/recipes-connectivity/openssh/openssh-6.2p2/sshd.socket b/meta/recipes-connectivity/openssh/openssh-6.2p2/sshd.socket
new file mode 100644
index 0000000..753a33b
--- /dev/null
+++ b/meta/recipes-connectivity/openssh/openssh-6.2p2/sshd.socket
@@ -0,0 +1,11 @@
+[Unit]
+Conflicts=sshd.service
+
+[Socket]
+ExecStartPre=/bin/mkdir -p /var/run/sshd
+ListenStream=22
+Accept=yes
+
+[Install]
+WantedBy=sockets.target
+Also=sshdgenkeys.service
diff --git a/meta/recipes-connectivity/openssh/openssh-6.2p2/sshd at .service b/meta/recipes-connectivity/openssh/openssh-6.2p2/sshd at .service
new file mode 100644
index 0000000..d118490
--- /dev/null
+++ b/meta/recipes-connectivity/openssh/openssh-6.2p2/sshd at .service
@@ -0,0 +1,9 @@
+[Unit]
+Description=OpenSSH Per-Connection Daemon
+After=sshdgenkeys.service
+
+[Service]
+ExecStart=-/usr/sbin/sshd -i
+ExecReload=/bin/kill -HUP $MAINPID
+StandardInput=socket
+StandardError=syslog
diff --git a/meta/recipes-connectivity/openssh/openssh-6.2p2/sshdgenkeys.service b/meta/recipes-connectivity/openssh/openssh-6.2p2/sshdgenkeys.service
new file mode 100644
index 0000000..c717214
--- /dev/null
+++ b/meta/recipes-connectivity/openssh/openssh-6.2p2/sshdgenkeys.service
@@ -0,0 +1,10 @@
+[Unit]
+Description=SSH Key Generation
+
+[Service]
+ExecStart=/usr/bin/ssh-keygen -A
+Type=oneshot
+RemainAfterExit=yes
+
+[Install]
+WantedBy=multi-user.target
diff --git a/meta/recipes-connectivity/openssh/openssh_6.2p2.bb b/meta/recipes-connectivity/openssh/openssh_6.2p2.bb
index ab2eefb..b9657d5 100644
--- a/meta/recipes-connectivity/openssh/openssh_6.2p2.bb
+++ b/meta/recipes-connectivity/openssh/openssh_6.2p2.bb
@@ -26,14 +26,17 @@ SRC_URI = "ftp://ftp.openbsd.org/pub/OpenBSD/OpenSSH/portable/openssh-${PV}.tar.
            file://init \
            file://openssh-CVE-2011-4327.patch \
            file://mac.patch \
-           ${@base_contains('DISTRO_FEATURES', 'pam', '${PAM_SRC_URI}', '', d)}"
+           ${@base_contains('DISTRO_FEATURES', 'pam', '${PAM_SRC_URI}', '', d)} \
+           file://sshd.socket \
+           file://sshd@.service \
+           file://sshdgenkeys.service "
 
 PAM_SRC_URI = "file://sshd"
 
 SRC_URI[md5sum] = "be46174dcbb77ebb4ea88ef140685de1"
 SRC_URI[sha256sum] = "7f29b9d2ad672ae0f9e1dcbff871fc5c2e60a194e90c766432e32161b842313b"
 
-inherit useradd update-rc.d update-alternatives
+inherit useradd update-rc.d update-alternatives systemd
 
 USERADD_PACKAGES = "${PN}-sshd"
 USERADD_PARAM_${PN}-sshd = "--system --no-create-home --home-dir /var/run/sshd --shell /bin/false --user-group sshd"
@@ -41,6 +44,10 @@ INITSCRIPT_PACKAGES = "${PN}-sshd"
 INITSCRIPT_NAME_${PN}-sshd = "sshd"
 INITSCRIPT_PARAMS_${PN}-sshd = "defaults 9"
 
+SYSTEMD_PACKAGES = "${PN}-sshd"
+SYSTEMD_SERVICE_${PN}-sshd = "sshd.socket"
+SYSTEMD_AUTO_ENABLE = "enable"
+
 PACKAGECONFIG ??= "tcp-wrappers"
 PACKAGECONFIG[tcp-wrappers] = "--with-tcp-wrappers,,tcp-wrappers"
 
@@ -82,8 +89,21 @@ do_install_append () {
 			install -m 0755 ${WORKDIR}/sshd ${D}${sysconfdir}/pam.d/sshd
 		fi
 	done
-	install -d ${D}${sysconfdir}/init.d
-	install -m 0755 ${WORKDIR}/init ${D}${sysconfdir}/init.d/sshd
+
+    if ${@base_contains('DISTRO_FEATURES','sysvinit','true','false',d)}; then
+	    install -d ${D}${sysconfdir}/init.d
+	    install -m 0755 ${WORKDIR}/init ${D}${sysconfdir}/init.d/sshd
+    fi
+
+    if ${@base_contains('DISTRO_FEATURES','systemd','true','false',d)}; then
+        install -d ${D}${systemd_unitdir}/system
+        install -m 0644 ${WORKDIR}/sshd.socket ${D}${systemd_unitdir}/system
+        install -m 0644 ${WORKDIR}/sshd at .service ${D}${systemd_unitdir}/system
+        install -m 0644 ${WORKDIR}/sshdgenkeys.service ${D}${systemd_unitdir}/system
+        sed -i 's,/usr/sbin/,${sbindir}/,g' ${D}${systemd_unitdir}/system/sshd at .service
+        sed -i 's,/usr/bin/,${bindir}/,g' ${D}${systemd_unitdir}/system/sshdgenkeys.service
+    fi
+
 	rm -f ${D}${bindir}/slogin ${D}${datadir}/Ssh.bin
 	rmdir ${D}${localstatedir}/run/sshd ${D}${localstatedir}/run ${D}${localstatedir}
 }
@@ -95,6 +115,7 @@ FILES_${PN}-scp = "${bindir}/scp.${BPN}"
 FILES_${PN}-ssh = "${bindir}/ssh.${BPN} ${sysconfdir}/ssh/ssh_config"
 FILES_${PN}-sshd = "${sbindir}/sshd ${sysconfdir}/init.d/sshd"
 FILES_${PN}-sshd += "${sysconfdir}/ssh/moduli ${sysconfdir}/ssh/sshd_config"
+FILES_${PN}-sshd += "${systemd_unitdir}"
 FILES_${PN}-sftp = "${bindir}/sftp"
 FILES_${PN}-sftp-server = "${libexecdir}/sftp-server"
 FILES_${PN}-misc = "${bindir}/ssh* ${libexecdir}/ssh*"
-- 
1.7.9.5