app-admin/sysrqd: add systemd unit

Closes: https://bugs.gentoo.org/581688
Package-Manager: Portage-2.3.95, Repoman-2.3.21
Signed-off-by: Ben Kohler <bkohler@gentoo.org>

2 files changed, 65 insertions, 0 deletions

diff --git a/app-admin/sysrqd/files/sysrqd.service b/app-admin/sysrqd/files/sysrqd.service
new file mode 100644
index 000000000000..278226b581b9
--- /dev/null
+++ b/app-admin/sysrqd/files/sysrqd.service
@@ -0,0 +1,11 @@
+[Unit]
+Description=SysRqd Telnet Daemon
+After=network.target
+
+[Service]
+Type=forking
+Restart=always
+ExecStart=-/usr/sbin/sysrqd
+
+[Install]
+WantedBy=multi-user.target
diff --git a/app-admin/sysrqd/sysrqd-17-r1.ebuild b/app-admin/sysrqd/sysrqd-17-r1.ebuild
new file mode 100644
index 000000000000..27c197001dd1
--- /dev/null
+++ b/app-admin/sysrqd/sysrqd-17-r1.ebuild
@@ -0,0 +1,54 @@
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit systemd toolchain-funcs
+
+DESCRIPTION="Daemon providing access to the kernel sysrq functions via network"
+HOMEPAGE="https://github.com/jd/sysrqd"
+SRC_URI="https://github.com/jd/${PN}/archive/v${PV}.tar.gz -> ${P}.tar.gz"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+
+PATCHES=(
+	"${FILESDIR}"/${PN}-config.patch
+	"${FILESDIR}"/${P}-fix-build-system.patch
+)
+
+src_configure() {
+	tc-export CC
+}
+
+src_install() {
+	dosbin sysrqd
+	newinitd "${FILESDIR}/sysrqd.init" sysrqd
+	systemd_dounit "${FILESDIR}"/sysrqd.service
+
+	local bindip='127.0.0.1' secret
+	declare -i secret
+	let secret="${RANDOM}*${RANDOM}*${RANDOM}*${RANDOM}"
+	echo "${bindip}" > sysrqd.bind || die
+	echo "${secret}" > sysrqd.secret || die
+
+	diropts -m 0700 -o root -g root
+	dodir /etc/sysrqd
+	insinto /etc/sysrqd
+	insopts -m 0600 -o root -g root
+	doins sysrqd.bind
+	doins sysrqd.secret
+
+	einstalldocs
+}
+
+pkg_postinst() {
+	elog
+	elog "Be sure to change the initial secret in /etc/sysrqd/sysrqd.secret !"
+	elog "As a security precaution, sysrqd is configured to only listen on"
+	elog "127.0.0.1 by default. Change the content of /etc/sysrqd/sysrqd.bind"
+	elog "to an IPv4 address you want it to listen on or remove the file"
+	elog "to make it listen on any IP address (0.0.0.0)."
+	elog
+}