net-misc/openssh: Revbump, bump X509 patch to 13.4.1

Signed-off-by: Patrick McLean <chutzpah@gentoo.org>

3 files changed, 540 insertions, 0 deletions

diff --git a/net-misc/openssh/Manifest b/net-misc/openssh/Manifest
index 029c76bb16d1..2992675630dd 100644
--- a/net-misc/openssh/Manifest
+++ b/net-misc/openssh/Manifest
@@ -6,6 +6,7 @@ DIST openssh-8_5_P1-hpn-AES-CTR-15.2.diff 30096 BLAKE2B f0c020dd2403806c79d4c37a
 DIST openssh-8_5_P1-hpn-DynWinNoneSwitch-15.2.diff 51428 BLAKE2B 370b88a7da7f148bf5a4d445f05cf593b486e9df53bba027e2e179726f534b68cf9d94edd6e53024e0b6ff5f20e568727bc9d26c94d0d415603602a80d3ad241 SHA512 2d8d887901164b33b2799ff3ec72e86a39ae4a1696e52bcee0872dbae7772fcc534351e6e7f87126ee71b164c74e9091350f14b782f4b242a09f09b4f50d047a
 DIST openssh-8_5_P1-hpn-PeakTput-15.2.diff 2429 BLAKE2B 849bf3c313719ab7a25c75e82d5dc5ac98365a038b2a66fe58d01eae5b20c7777258b94b5830e799d6909e75c69753cda05a910f3bdab9606fb7d5efa68e05f1 SHA512 c4a56fab55fabd1d902d45f235b603708d43f969920e45c9a57e557dccfa9cade2ec61f26d1ace938f6f73e79f17b12f119b5aea9166cbda8e3435b910500914
 DIST openssh-9.0p1+x509-13.3.2.diff.gz 1128591 BLAKE2B fb560e2f1803ceb946a1ba8bd53a1f9fd262896b820c23d4b0015218433d2200f1fd9df5b1889a670261f13936d8153da1ab4beb2a5d52ede78168189c522bf3 SHA512 e643168d7098c44f85a9bac9894a936a3480ec843162197ce56e016dd4f634ef182dcfae1f7e18408f6a18832e0a95d2d249a23fdbc3dc46df76989ca0a0c7fc
+DIST openssh-9.0p1+x509-13.4.1.diff.gz 1146757 BLAKE2B 070d6bc23179a581e4fe79412274f11399009ba69ad643cc354ec9cd6392ffb0a651fd2d7f310c52c60a9c626140b9c823e2f19c600f15ac9cdf992707274bcb SHA512 4aaa86c1a785741b28c5e2738cf6de6fa7965ac8692165a8b18fe7677aeb0996979f23b45306781e6be75d34fb39294659be5ae016ab4a82ef2a73bedcc6e8e7
 DIST openssh-9.0p1-sctp-1.2.patch.xz 6768 BLAKE2B 8a18aea57b0b3f8f0a641870f0cd1570c6cc48d1e28ef7261344918905e94a548d3a3acb6feb1c6ef13f0c6cacf2b845163cad2b96ab20cb9fc58a49aeb699c1 SHA512 d6aa5f32464d5f3e2e63e9ba82108f33bdaa890e2adf2ccc47ce0d672979fc67510d9dd7561b17eaba0c2f11a8eb565029b0ebff3b2d050e9e04e6143aedb8a3
 DIST openssh-9.0p1.tar.gz 1822183 BLAKE2B 49724a400951964d659d136908657940f79e150056728cc4dadf8ff8652a832f7fd46eebb47b15085e57fca4b00c77d1ec4dd1b056ea2bbcee89f54a121ed5e2 SHA512 613ae95317e734868c6a60d9cc5af47a889baa3124bbdd2b31bb51dd6b57b136f4cfcb5604cca78a03bd500baab9b9b45eaf77e038b1ed776c86dce0437449a9
 DIST openssh-9.0p1.tar.gz.asc 833 BLAKE2B e29ff08f10feee7347c02a7ce4b33b8d9c71a26656f0430a2511c25bc6b5006f1683d845826a68ff4eed068b30c911e273cb34e5b4880854d55a776415474019 SHA512 7b1445764058435d2fa8a9c7553643983650d4232036c088e46e44beeb538d32cba88f775b1be9da5f21a01d6caea59b3dc4714507781e9cb946546fa54f169f
diff --git a/net-misc/openssh/files/openssh-9.0_p1-X509-glue-13.4.1.patch b/net-misc/openssh/files/openssh-9.0_p1-X509-glue-13.4.1.patch
new file mode 100644
index 000000000000..dc93182e1d4c
--- /dev/null
+++ b/net-misc/openssh/files/openssh-9.0_p1-X509-glue-13.4.1.patch
@@ -0,0 +1,54 @@
+diff -ur '--exclude=.*.un~' a/openssh-9.0p1+x509-13.4.1.diff b/openssh-9.0p1+x509-13.4.1.diff
+--- a/openssh-9.0p1+x509-13.4.1.diff	2022-06-23 10:43:33.957093896 -0700
++++ b/openssh-9.0p1+x509-13.4.1.diff	2022-06-23 10:44:17.232396805 -0700
+@@ -48941,8 +48941,8 @@
+  		gss_create_empty_oid_set(&status, &oidset);
+  		gss_add_oid_set_member(&status, ctx->oid, &oidset);
+  
+--		if (gethostname(lname, MAXHOSTNAMELEN)) {
+-+		if (gethostname(lname, MAXHOSTNAMELEN) == -1) {
++-		if (gethostname(lname, HOST_NAME_MAX)) {
+++		if (gethostname(lname, HOST_NAME_MAX) == -1) {
+  			gss_release_oid_set(&status, &oidset);
+  			return (-1);
+  		}
+@@ -57102,12 +57102,11 @@
+  
+  install-files:
+  	$(MKDIR_P) $(DESTDIR)$(bindir)
+-@@ -395,6 +372,8 @@
++@@ -395,6 +372,7 @@
+  	$(MKDIR_P) $(DESTDIR)$(mandir)/$(mansubdir)5
+  	$(MKDIR_P) $(DESTDIR)$(mandir)/$(mansubdir)8
+  	$(MKDIR_P) $(DESTDIR)$(libexecdir)
+ +	$(MKDIR_P) $(DESTDIR)$(sshcadir)
+-+	$(MKDIR_P) $(DESTDIR)$(piddir)
+  	$(MKDIR_P) -m 0755 $(DESTDIR)$(PRIVSEP_PATH)
+  	$(INSTALL) -m 0755 $(STRIP_OPT) ssh$(EXEEXT) $(DESTDIR)$(bindir)/ssh$(EXEEXT)
+  	$(INSTALL) -m 0755 $(STRIP_OPT) scp$(EXEEXT) $(DESTDIR)$(bindir)/scp$(EXEEXT)
+@@ -78638,7 +78637,7 @@
+ +if test "$sshd_type" = "pkix" ; then
+ +  unset_arg=''
+ +else
+-+  unset_arg=none
+++  unset_arg=''
+ +fi
+ +
+  cat > $OBJ/sshd_config.i << _EOF
+@@ -143777,16 +143776,6 @@
+ +int	 asnmprintf(char **, size_t, int *, const char *, ...)
+  	    __attribute__((format(printf, 4, 5)));
+  void	 msetlocale(void);
+-diff -ruN openssh-9.0p1/version.h openssh-9.0p1+x509-13.4.1/version.h
+---- openssh-9.0p1/version.h	2022-04-06 03:47:48.000000000 +0300
+-+++ openssh-9.0p1+x509-13.4.1/version.h	2022-06-23 09:07:00.000000000 +0300
+-@@ -2,5 +2,4 @@
+- 
+- #define SSH_VERSION	"OpenSSH_9.0"
+- 
+--#define SSH_PORTABLE	"p1"
+--#define SSH_RELEASE	SSH_VERSION SSH_PORTABLE
+-+#define SSH_RELEASE	PACKAGE_STRING ", " SSH_VERSION "p1"
+ diff -ruN openssh-9.0p1/version.m4 openssh-9.0p1+x509-13.4.1/version.m4
+ --- openssh-9.0p1/version.m4	1970-01-01 02:00:00.000000000 +0200
+ +++ openssh-9.0p1+x509-13.4.1/version.m4	2022-06-23 09:07:00.000000000 +0300
diff --git a/net-misc/openssh/openssh-9.0_p1-r2.ebuild b/net-misc/openssh/openssh-9.0_p1-r2.ebuild
new file mode 100644
index 000000000000..9402ad203dc3
--- /dev/null
+++ b/net-misc/openssh/openssh-9.0_p1-r2.ebuild
@@ -0,0 +1,485 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit user-info flag-o-matic autotools pam systemd toolchain-funcs verify-sig
+
+# Make it more portable between straight releases
+# and _p? releases.
+PARCH=${P/_}
+
+# PV to USE for HPN patches
+#HPN_PV="${PV^^}"
+HPN_PV="8.5_P1"
+
+HPN_VER="15.2"
+HPN_PATCHES=(
+	${PN}-${HPN_PV/./_}-hpn-DynWinNoneSwitch-${HPN_VER}.diff
+	${PN}-${HPN_PV/./_}-hpn-AES-CTR-${HPN_VER}.diff
+	${PN}-${HPN_PV/./_}-hpn-PeakTput-${HPN_VER}.diff
+)
+
+SCTP_VER="1.2"
+SCTP_PATCH="${PARCH}-sctp-${SCTP_VER}.patch.xz"
+X509_VER="13.4.1"
+X509_PATCH="${PARCH}+x509-${X509_VER}.diff.gz"
+
+DESCRIPTION="Port of OpenBSD's free SSH release"
+HOMEPAGE="https://www.openssh.com/"
+SRC_URI="mirror://openbsd/OpenSSH/portable/${PARCH}.tar.gz
+	${SCTP_PATCH:+sctp? ( https://dev.gentoo.org/~chutzpah/dist/openssh/${SCTP_PATCH} )}
+	${HPN_VER:+hpn? ( $(printf "mirror://sourceforge/project/hpnssh/Patches/HPN-SSH%%20${HPN_VER/./v}%%20${HPN_PV/_P/p}/%s\n" "${HPN_PATCHES[@]}") )}
+	${X509_PATCH:+X509? ( https://roumenpetrov.info/openssh/x509-${X509_VER}/${X509_PATCH} )}
+	verify-sig? ( mirror://openbsd/OpenSSH/portable/${PARCH}.tar.gz.asc )
+"
+VERIFY_SIG_OPENPGP_KEY_PATH=${BROOT}/usr/share/openpgp-keys/openssh.org.asc
+S="${WORKDIR}/${PARCH}"
+
+LICENSE="BSD GPL-2"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~x64-cygwin ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
+# Probably want to drop ssl defaulting to on in a future version.
+IUSE="abi_mips_n32 audit debug hpn kerberos ldns libedit livecd pam +pie sctp security-key selinux +ssl static test X X509 xmss"
+
+RESTRICT="!test? ( test )"
+
+REQUIRED_USE="
+	hpn? ( ssl )
+	ldns? ( ssl )
+	pie? ( !static )
+	static? ( !kerberos !pam )
+	X509? ( !sctp ssl !xmss )
+	xmss? ( ssl  )
+	test? ( ssl )
+"
+
+# tests currently fail with XMSS
+REQUIRED_USE+="test? ( !xmss )"
+
+LIB_DEPEND="
+	audit? ( sys-process/audit[static-libs(+)] )
+	ldns? (
+		net-libs/ldns[static-libs(+)]
+		net-libs/ldns[ecdsa(+),ssl(+)]
+	)
+	libedit? ( dev-libs/libedit:=[static-libs(+)] )
+	sctp? ( net-misc/lksctp-tools[static-libs(+)] )
+	security-key? ( >=dev-libs/libfido2-1.5.0:=[static-libs(+)] )
+	selinux? ( >=sys-libs/libselinux-1.28[static-libs(+)] )
+	ssl? ( >=dev-libs/openssl-1.1.1l-r1:0=[static-libs(+)] )
+	virtual/libcrypt:=[static-libs(+)]
+	>=sys-libs/zlib-1.2.3:=[static-libs(+)]
+"
+RDEPEND="
+	acct-group/sshd
+	acct-user/sshd
+	!static? ( ${LIB_DEPEND//\[static-libs(+)]} )
+	pam? ( sys-libs/pam )
+	kerberos? ( virtual/krb5 )
+"
+DEPEND="${RDEPEND}
+	virtual/os-headers
+	kernel_linux? ( !prefix-guest? ( >=sys-kernel/linux-headers-5.1 ) )
+	static? ( ${LIB_DEPEND} )
+"
+RDEPEND="${RDEPEND}
+	pam? ( >=sys-auth/pambase-20081028 )
+	!prefix? ( sys-apps/shadow )
+	X? ( x11-apps/xauth )
+"
+BDEPEND="
+	virtual/pkgconfig
+	sys-devel/autoconf
+	verify-sig? ( sec-keys/openpgp-keys-openssh )
+"
+
+pkg_pretend() {
+	# this sucks, but i'd rather have people unable to `emerge -u openssh`
+	# than not be able to log in to their server any more
+	local missing=()
+	check_feature() { use "${1}" && [[ -z ${!2} ]] && missing+=( "${1}" ); }
+	check_feature hpn HPN_VER
+	check_feature sctp SCTP_PATCH
+	check_feature X509 X509_PATCH
+	if [[ ${#missing[@]} -ne 0 ]] ; then
+		eerror "Sorry, but this version does not yet support features"
+		eerror "that you requested: ${missing[*]}"
+		eerror "Please mask ${PF} for now and check back later:"
+		eerror " # echo '=${CATEGORY}/${PF}' >> /etc/portage/package.mask"
+		die "Missing requested third party patch."
+	fi
+
+	# Make sure people who are using tcp wrappers are notified of its removal. #531156
+	if grep -qs '^ *sshd *:' "${EROOT}"/etc/hosts.{allow,deny} ; then
+		ewarn "Sorry, but openssh no longer supports tcp-wrappers, and it seems like"
+		ewarn "you're trying to use it.  Update your ${EROOT}/etc/hosts.{allow,deny} please."
+	fi
+}
+
+src_unpack() {
+	default
+
+	# We don't have signatures for HPN, X509, so we have to write this ourselves
+	use verify-sig && verify-sig_verify_detached "${DISTDIR}"/${PARCH}.tar.gz{,.asc}
+}
+
+src_prepare() {
+	sed -i \
+		-e "/_PATH_XAUTH/s:/usr/X11R6/bin/xauth:${EPREFIX}/usr/bin/xauth:" \
+		pathnames.h || die
+
+	# don't break .ssh/authorized_keys2 for fun
+	sed -i '/^AuthorizedKeysFile/s:^:#:' sshd_config || die
+
+	eapply "${FILESDIR}"/${PN}-7.9_p1-include-stdlib.patch
+	eapply "${FILESDIR}"/${PN}-8.7_p1-GSSAPI-dns.patch #165444 integrated into gsskex
+	eapply "${FILESDIR}"/${PN}-6.7_p1-openssl-ignore-status.patch
+	eapply "${FILESDIR}"/${PN}-7.5_p1-disable-conch-interop-tests.patch
+	eapply "${FILESDIR}"/${PN}-8.0_p1-fix-putty-tests.patch
+	eapply "${FILESDIR}"/${PN}-8.0_p1-deny-shmget-shmat-shmdt-in-preauth-privsep-child.patch
+	eapply "${FILESDIR}"/${PN}-8.9_p1-allow-ppoll_time64.patch #834019
+	eapply "${FILESDIR}"/${PN}-8.9_p1-gss-use-HOST_NAME_MAX.patch #834044
+
+	[[ -d ${WORKDIR}/patches ]] && eapply "${WORKDIR}"/patches
+
+	local PATCHSET_VERSION_MACROS=()
+
+	if use X509 ; then
+		pushd "${WORKDIR}" &>/dev/null || die
+		eapply "${FILESDIR}/${P}-X509-glue-"${X509_VER}".patch"
+		popd &>/dev/null || die
+
+		eapply "${WORKDIR}"/${X509_PATCH%.*}
+		eapply "${FILESDIR}/${PN}-9.0_p1-X509-uninitialized-delay.patch"
+
+		# We need to patch package version or any X.509 sshd will reject our ssh client
+		# with "userauth_pubkey: could not parse key: string is too large [preauth]"
+		# error
+		einfo "Patching package version for X.509 patch set ..."
+		sed -i \
+			-e "s/^AC_INIT(\[OpenSSH\], \[Portable\]/AC_INIT([OpenSSH], [${X509_VER}]/" \
+			"${S}"/configure.ac || die "Failed to patch package version for X.509 patch"
+
+		einfo "Patching version.h to expose X.509 patch set ..."
+		sed -i \
+			-e "/^#define SSH_PORTABLE.*/a #define SSH_X509               \"-PKIXSSH-${X509_VER}\"" \
+			"${S}"/version.h || die "Failed to sed-in X.509 patch version"
+		PATCHSET_VERSION_MACROS+=( 'SSH_X509' )
+	fi
+
+	if use sctp ; then
+		eapply "${WORKDIR}"/${SCTP_PATCH%.*}
+
+		einfo "Patching version.h to expose SCTP patch set ..."
+		sed -i \
+			-e "/^#define SSH_PORTABLE/a #define SSH_SCTP        \"-sctp-${SCTP_VER}\"" \
+			"${S}"/version.h || die "Failed to sed-in SCTP patch version"
+		PATCHSET_VERSION_MACROS+=( 'SSH_SCTP' )
+
+		einfo "Disabling known failing test (cfgparse) caused by SCTP patch ..."
+		sed -i \
+			-e "/\t\tcfgparse \\\/d" \
+			"${S}"/regress/Makefile || die "Failed to disable known failing test (cfgparse) caused by SCTP patch"
+	fi
+
+	if use hpn ; then
+		local hpn_patchdir="${T}/${P}-hpn${HPN_VER}"
+		mkdir "${hpn_patchdir}" || die
+		cp $(printf -- "${DISTDIR}/%s\n" "${HPN_PATCHES[@]}") "${hpn_patchdir}" || die
+		pushd "${hpn_patchdir}" &>/dev/null || die
+		eapply "${FILESDIR}"/${PN}-8.9_p1-hpn-${HPN_VER}-glue.patch
+		use X509 && eapply "${FILESDIR}"/${PN}-8.9_p1-hpn-${HPN_VER}-X509-glue.patch
+		use sctp && eapply "${FILESDIR}"/${PN}-8.5_p1-hpn-${HPN_VER}-sctp-glue.patch
+		popd &>/dev/null || die
+
+		eapply "${hpn_patchdir}"
+
+		use X509 || eapply "${FILESDIR}/openssh-8.6_p1-hpn-version.patch"
+
+		einfo "Patching Makefile.in for HPN patch set ..."
+		sed -i \
+			-e "/^LIBS=/ s/\$/ -lpthread/" \
+			"${S}"/Makefile.in || die "Failed to patch Makefile.in"
+
+		einfo "Patching version.h to expose HPN patch set ..."
+		sed -i \
+			-e "/^#define SSH_PORTABLE/a #define SSH_HPN         \"-hpn${HPN_VER//./v}\"" \
+			"${S}"/version.h || die "Failed to sed-in HPN patch version"
+		PATCHSET_VERSION_MACROS+=( 'SSH_HPN' )
+
+		if [[ -n "${HPN_DISABLE_MTAES}" ]] ; then
+			einfo "Disabling known non-working MT AES cipher per default ..."
+
+			cat > "${T}"/disable_mtaes.conf <<- EOF
+
+			# HPN's Multi-Threaded AES CTR cipher is currently known to be broken
+			# and therefore disabled per default.
+			DisableMTAES yes
+			EOF
+			sed -i \
+				-e "/^#HPNDisabled.*/r ${T}/disable_mtaes.conf" \
+				"${S}"/sshd_config || die "Failed to disabled MT AES ciphers in sshd_config"
+
+			sed -i \
+				-e "/AcceptEnv.*_XXX_TEST$/a \\\tDisableMTAES\t\tyes" \
+				"${S}"/regress/test-exec.sh || die "Failed to disable MT AES ciphers in test config"
+		fi
+	fi
+
+	if use X509 || use sctp || use hpn ; then
+		einfo "Patching sshconnect.c to use SSH_RELEASE in send_client_banner() ..."
+		sed -i \
+			-e "s/PROTOCOL_MAJOR_2, PROTOCOL_MINOR_2, SSH_VERSION/PROTOCOL_MAJOR_2, PROTOCOL_MINOR_2, SSH_RELEASE/" \
+			"${S}"/sshconnect.c || die "Failed to patch send_client_banner() to use SSH_RELEASE (sshconnect.c)"
+
+		einfo "Patching sshd.c to use SSH_RELEASE in sshd_exchange_identification() ..."
+		sed -i \
+			-e "s/PROTOCOL_MAJOR_2, PROTOCOL_MINOR_2, SSH_VERSION/PROTOCOL_MAJOR_2, PROTOCOL_MINOR_2, SSH_RELEASE/" \
+			"${S}"/sshd.c || die "Failed to patch sshd_exchange_identification() to use SSH_RELEASE (sshd.c)"
+
+		einfo "Patching version.h to add our patch sets to SSH_RELEASE ..."
+		sed -i \
+			-e "s/^#define SSH_RELEASE.*/#define SSH_RELEASE     SSH_VERSION SSH_PORTABLE ${PATCHSET_VERSION_MACROS[*]}/" \
+			"${S}"/version.h || die "Failed to patch SSH_RELEASE (version.h)"
+	fi
+
+	sed -i \
+		-e "/#UseLogin no/d" \
+		"${S}"/sshd_config || die "Failed to remove removed UseLogin option (sshd_config)"
+
+	eapply_user #473004
+
+	# These tests are currently incompatible with PORTAGE_TMPDIR/sandbox
+	sed -e '/\t\tpercent \\/ d' \
+		-i regress/Makefile || die
+
+	tc-export PKG_CONFIG
+	local sed_args=(
+		-e "s:-lcrypto:$(${PKG_CONFIG} --libs openssl):"
+		# Disable PATH reset, trust what portage gives us #254615
+		-e 's:^PATH=/:#PATH=/:'
+		# Disable fortify flags ... our gcc does this for us
+		-e 's:-D_FORTIFY_SOURCE=2::'
+	)
+
+	# The -ftrapv flag ICEs on hppa #505182
+	use hppa && sed_args+=(
+		-e '/CFLAGS/s:-ftrapv:-fdisable-this-test:'
+		-e '/OSSH_CHECK_CFLAG_LINK.*-ftrapv/d'
+	)
+	# _XOPEN_SOURCE causes header conflicts on Solaris
+	[[ ${CHOST} == *-solaris* ]] && sed_args+=(
+		-e 's/-D_XOPEN_SOURCE//'
+	)
+	sed -i "${sed_args[@]}" configure{.ac,} || die
+
+	eautoreconf
+}
+
+src_configure() {
+	addwrite /dev/ptmx
+
+	use debug && append-cppflags -DSANDBOX_SECCOMP_FILTER_DEBUG
+	use static && append-ldflags -static
+	use xmss && append-cflags -DWITH_XMSS
+
+	if [[ ${CHOST} == *-solaris* ]] ; then
+		# Solaris' glob.h doesn't have things like GLOB_TILDE, configure
+		# doesn't check for this, so force the replacement to be put in
+		# place
+		append-cppflags -DBROKEN_GLOB
+	fi
+
+	# use replacement, RPF_ECHO_ON doesn't exist here
+	[[ ${CHOST} == *-darwin* ]] && export ac_cv_func_readpassphrase=no
+
+	local myconf=(
+		--with-ldflags="${LDFLAGS}"
+		--disable-strip
+		--with-pid-dir="${EPREFIX}"$(usex kernel_linux '' '/var')/run
+		--sysconfdir="${EPREFIX}"/etc/ssh
+		--libexecdir="${EPREFIX}"/usr/$(get_libdir)/misc
+		--datadir="${EPREFIX}"/usr/share/openssh
+		--with-privsep-path="${EPREFIX}"/var/empty
+		--with-privsep-user=sshd
+		$(use_with audit audit linux)
+		$(use_with kerberos kerberos5 "${EPREFIX}"/usr)
+		# We apply the sctp patch conditionally, so can't pass --without-sctp
+		# unconditionally else we get unknown flag warnings.
+		$(use sctp && use_with sctp)
+		$(use_with ldns)
+		$(use_with libedit)
+		$(use_with pam)
+		$(use_with pie)
+		$(use_with selinux)
+		$(usex X509 '' "$(use_with security-key security-key-builtin)")
+		$(use_with ssl openssl)
+		$(use_with ssl ssl-engine)
+		$(use_with !elibc_Cygwin hardening) #659210
+	)
+
+	if use elibc_musl; then
+		# musl defines bogus values for UTMP_FILE and WTMP_FILE
+		# https://bugs.gentoo.org/753230
+		myconf+=( --disable-utmp --disable-wtmp )
+	fi
+
+	econf "${myconf[@]}"
+}
+
+src_test() {
+	local tests=( compat-tests )
+	local shell=$(egetshell "${UID}")
+	if [[ ${shell} == */nologin ]] || [[ ${shell} == */false ]] ; then
+		ewarn "Running the full OpenSSH testsuite requires a usable shell for the 'portage'"
+		ewarn "user, so we will run a subset only."
+		tests+=( interop-tests )
+	else
+		tests+=( tests )
+	fi
+
+	local -x SUDO= SSH_SK_PROVIDER= TEST_SSH_UNSAFE_PERMISSIONS=1
+	mkdir -p "${HOME}"/.ssh || die
+	emake -j1 "${tests[@]}" </dev/null
+}
+
+# Gentoo tweaks to default config files.
+tweak_ssh_configs() {
+	local locale_vars=(
+		# These are language variables that POSIX defines.
+		# http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap08.html#tag_08_02
+		LANG LC_ALL LC_COLLATE LC_CTYPE LC_MESSAGES LC_MONETARY LC_NUMERIC LC_TIME
+
+		# These are the GNU extensions.
+		# https://www.gnu.org/software/autoconf/manual/html_node/Special-Shell-Variables.html
+		LANGUAGE LC_ADDRESS LC_IDENTIFICATION LC_MEASUREMENT LC_NAME LC_PAPER LC_TELEPHONE
+	)
+
+	# First the server config.
+	cat <<-EOF >> "${ED}"/etc/ssh/sshd_config
+
+	# Allow client to pass locale environment variables. #367017
+	AcceptEnv ${locale_vars[*]}
+
+	# Allow client to pass COLORTERM to match TERM. #658540
+	AcceptEnv COLORTERM
+	EOF
+
+	# Then the client config.
+	cat <<-EOF >> "${ED}"/etc/ssh/ssh_config
+
+	# Send locale environment variables. #367017
+	SendEnv ${locale_vars[*]}
+
+	# Send COLORTERM to match TERM. #658540
+	SendEnv COLORTERM
+	EOF
+
+	if use pam ; then
+		sed -i \
+			-e "/^#UsePAM /s:.*:UsePAM yes:" \
+			-e "/^#PasswordAuthentication /s:.*:PasswordAuthentication no:" \
+			-e "/^#PrintMotd /s:.*:PrintMotd no:" \
+			-e "/^#PrintLastLog /s:.*:PrintLastLog no:" \
+			"${ED}"/etc/ssh/sshd_config || die
+	fi
+
+	if use livecd ; then
+		sed -i \
+			-e '/^#PermitRootLogin/c# Allow root login with password on livecds.\nPermitRootLogin Yes' \
+			"${ED}"/etc/ssh/sshd_config || die
+	fi
+}
+
+src_install() {
+	emake install-nokeys DESTDIR="${D}"
+	fperms 600 /etc/ssh/sshd_config
+	dobin contrib/ssh-copy-id
+	newinitd "${FILESDIR}"/sshd-r1.initd sshd
+	newconfd "${FILESDIR}"/sshd-r1.confd sshd
+
+	if use pam; then
+		newpamd "${FILESDIR}"/sshd.pam_include.2 sshd
+	fi
+
+	tweak_ssh_configs
+
+	doman contrib/ssh-copy-id.1
+	dodoc CREDITS OVERVIEW README* TODO sshd_config
+	use hpn && dodoc HPN-README
+	use X509 || dodoc ChangeLog
+
+	diropts -m 0700
+	dodir /etc/skel/.ssh
+	rmdir "${ED}"/var/empty || die
+
+	systemd_dounit "${FILESDIR}"/sshd.{service,socket}
+	systemd_newunit "${FILESDIR}"/sshd_at.service 'sshd@.service'
+}
+
+pkg_preinst() {
+	if ! use ssl && has_version "${CATEGORY}/${PN}[ssl]"; then
+		show_ssl_warning=1
+	fi
+}
+
+pkg_postinst() {
+	local old_ver
+	for old_ver in ${REPLACING_VERSIONS}; do
+		if ver_test "${old_ver}" -lt "5.8_p1"; then
+			elog "Starting with openssh-5.8p1, the server will default to a newer key"
+			elog "algorithm (ECDSA).  You are encouraged to manually update your stored"
+			elog "keys list as servers update theirs.  See ssh-keyscan(1) for more info."
+		fi
+		if ver_test "${old_ver}" -lt "7.0_p1"; then
+			elog "Starting with openssh-6.7, support for USE=tcpd has been dropped by upstream."
+			elog "Make sure to update any configs that you might have.  Note that xinetd might"
+			elog "be an alternative for you as it supports USE=tcpd."
+		fi
+		if ver_test "${old_ver}" -lt "7.1_p1"; then #557388 #555518
+			elog "Starting with openssh-7.0, support for ssh-dss keys were disabled due to their"
+			elog "weak sizes.  If you rely on these key types, you can re-enable the key types by"
+			elog "adding to your sshd_config or ~/.ssh/config files:"
+			elog "	PubkeyAcceptedKeyTypes=+ssh-dss"
+			elog "You should however generate new keys using rsa or ed25519."
+
+			elog "Starting with openssh-7.0, the default for PermitRootLogin changed from 'yes'"
+			elog "to 'prohibit-password'.  That means password auth for root users no longer works"
+			elog "out of the box.  If you need this, please update your sshd_config explicitly."
+		fi
+		if ver_test "${old_ver}" -lt "7.6_p1"; then
+			elog "Starting with openssh-7.6p1, openssh upstream has removed ssh1 support entirely."
+			elog "Furthermore, rsa keys with less than 1024 bits will be refused."
+		fi
+		if ver_test "${old_ver}" -lt "7.7_p1"; then
+			elog "Starting with openssh-7.7p1, we no longer patch openssh to provide LDAP functionality."
+			elog "Install sys-auth/ssh-ldap-pubkey and use OpenSSH's \"AuthorizedKeysCommand\" option"
+			elog "if you need to authenticate against LDAP."
+			elog "See https://wiki.gentoo.org/wiki/SSH/LDAP_migration for more details."
+		fi
+		if ver_test "${old_ver}" -lt "8.2_p1"; then
+			ewarn "After upgrading to openssh-8.2p1 please restart sshd, otherwise you"
+			ewarn "will not be able to establish new sessions. Restarting sshd over a ssh"
+			ewarn "connection is generally safe."
+		fi
+	done
+
+	if [[ -n ${show_ssl_warning} ]]; then
+		elog "Be aware that by disabling openssl support in openssh, the server and clients"
+		elog "no longer support dss/rsa/ecdsa keys.  You will need to generate ed25519 keys"
+		elog "and update all clients/servers that utilize them."
+	fi
+
+	if use hpn && [[ -n "${HPN_DISABLE_MTAES}" ]] ; then
+		elog ""
+		elog "HPN's multi-threaded AES CTR cipher is currently known to be broken"
+		elog "and therefore disabled at runtime per default."
+		elog "Make sure your sshd_config is up to date and contains"
+		elog ""
+		elog "  DisableMTAES yes"
+		elog ""
+		elog "Otherwise you maybe unable to connect to this sshd using any AES CTR cipher."
+		elog ""
+	fi
+}