--- /dev/null
+# Copyright 1999-2018 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+inherit user flag-o-matic multilib autotools pam systemd versionator
+
+# Make it more portable between straight releases
+# and _p? releases.
+PARCH=${P/_}
+
+HPN_VER="14v15-gentoo2" HPN_PATCH="${PARCH}-hpnssh${HPN_VER}.patch.xz"
+SCTP_VER="1.1" SCTP_PATCH="${PARCH}-sctp-${SCTP_VER}.patch.xz"
+X509_VER="11.3.1" X509_PATCH="${PARCH}-x509-${X509_VER}.patch.xz"
+
+# Disable LDAP support until someone will rewrite the patch,
+# upstream removed auth_parse_options() via commit 7c856857607112a3dfe6414696bf4c7ab7fb0cb3
+#LDAP_VER="0.3.14" LDAP_PATCH="${PN}-lpk-7.7p1-${LDAP_VER}.patch.xz"
+
+PATCH_SET="openssh-7.7p1-patches-1.1"
+
+DESCRIPTION="Port of OpenBSD's free SSH release"
+HOMEPAGE="https://www.openssh.com/"
+SRC_URI="mirror://openbsd/OpenSSH/portable/${PARCH}.tar.gz
+ https://dev.gentoo.org/~whissi/dist/${PN}/${PATCH_SET}.tar.xz
+ ${SCTP_PATCH:+sctp? ( https://dev.gentoo.org/~whissi/dist/openssh/${SCTP_PATCH} )}
+ ${HPN_PATCH:+hpn? ( https://dev.gentoo.org/~whissi/dist/openssh/${HPN_PATCH} )}
+ ${LDAP_PATCH:+ldap? ( https://dev.gentoo.org/~whissi/dist/openssh/${LDAP_PATCH} )}
+ ${X509_PATCH:+X509? ( https://dev.gentoo.org/~whissi/dist/openssh/${X509_PATCH} )}
+ "
+
+LICENSE="BSD GPL-2"
+SLOT="0"
+KEYWORDS="~alpha amd64 ~arm ~arm64 ~hppa ia64 ~m68k ~mips ~ppc ~ppc64 ~s390 ~sh sparc x86 ~ppc-aix ~x64-cygwin ~amd64-fbsd ~x86-fbsd ~amd64-linux ~arm-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~m68k-mint ~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 bindist debug hpn kerberos kernel_linux ldap ldns libedit libressl livecd pam +pie sctp selinux skey +ssl static test X X509"
+REQUIRED_USE="ldns? ( ssl )
+ pie? ( !static )
+ static? ( !kerberos !pam )
+ X509? ( !ldap !sctp ssl )
+ test? ( ssl )"
+
+LIB_DEPEND="
+ audit? ( sys-process/audit[static-libs(+)] )
+ ldns? (
+ net-libs/ldns[static-libs(+)]
+ !bindist? ( net-libs/ldns[ecdsa,ssl(+)] )
+ bindist? ( net-libs/ldns[-ecdsa,ssl(+)] )
+ )
+ libedit? ( dev-libs/libedit:=[static-libs(+)] )
+ sctp? ( net-misc/lksctp-tools[static-libs(+)] )
+ selinux? ( >=sys-libs/libselinux-1.28[static-libs(+)] )
+ skey? ( >=sys-auth/skey-1.1.5-r1[static-libs(+)] )
+ ssl? (
+ !libressl? (
+ >=dev-libs/openssl-1.0.1:0=[bindist=]
+ dev-libs/openssl:0=[static-libs(+)]
+ )
+ libressl? ( dev-libs/libressl:0=[static-libs(+)] )
+ )
+ >=sys-libs/zlib-1.2.3:=[static-libs(+)]"
+RDEPEND="
+ !static? ( ${LIB_DEPEND//\[static-libs(+)]} )
+ pam? ( virtual/pam )
+ kerberos? ( virtual/krb5 )
+ ldap? ( net-nds/openldap )"
+DEPEND="${RDEPEND}
+ static? ( ${LIB_DEPEND} )
+ virtual/pkgconfig
+ virtual/os-headers
+ sys-devel/autoconf"
+RDEPEND="${RDEPEND}
+ pam? ( >=sys-auth/pambase-20081028 )
+ userland_GNU? ( virtual/shadow )
+ X? ( x11-apps/xauth )"
+
+S="${WORKDIR}/${PARCH}"
+
+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
+ maybe_fail() { [[ -z ${!2} ]] && echo "$1" ; }
+ local fail="
+ $(use hpn && maybe_fail hpn HPN_PATCH)
+ $(use ldap && maybe_fail ldap LDAP_PATCH)
+ $(use sctp && maybe_fail sctp SCTP_PATCH)
+ $(use X509 && maybe_fail X509 X509_PATCH)
+ "
+ fail=$(echo ${fail})
+ if [[ -n ${fail} ]] ; then
+ eerror "Sorry, but this version does not yet support features"
+ eerror "that you requested: ${fail}"
+ eerror "Please mask ${PF} for now and check back later:"
+ eerror " # echo '=${CATEGORY}/${PF}' >> /etc/portage/package.mask"
+ die "booooo"
+ fi
+
+ # Make sure people who are using tcp wrappers are notified of its removal. #531156
+ if grep -qs '^ *sshd *:' "${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 ${EROOT}etc/hosts.{allow,deny} please."
+ fi
+}
+
+src_prepare() {
+ sed -i \
+ -e "/_PATH_XAUTH/s:/usr/X11R6/bin/xauth:${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}-7.7_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
+
+ local PATCHSET_VERSION_MACROS=()
+
+ if use X509 ; then
+ eapply "${WORKDIR}"/${X509_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' )
+
+ einfo "Disabling broken X.509 agent test ..."
+ sed -i \
+ -e "/^ agent$/d" \
+ "${S}"/tests/CA/config || die "Failed to disable broken X.509 agent test"
+
+ # The following patches don't apply on top of X509 patch
+ rm "${WORKDIR}"/patch/2002_all_openssh-7.7p1_upstream_bug2840.patch || die
+ rm "${WORKDIR}"/patch/2009_all_openssh-7.7p1_make-shell-tests-portable.patch || die
+ rm "${WORKDIR}"/patch/2016_all_openssh-7.7p1_implement-EMFILE-mitigation-for-ssh-agent.patch || die
+ rm "${WORKDIR}"/patch/2025_all_openssh-7.7p1_prefer-argv0-to-ssh-when-re-executing-ssh-for-proxyjump.patch || die
+ else
+ rm "${WORKDIR}"/patch/2016_all_openssh-7.7p1-X509_implement-EMFILE-mitigation-for-ssh-agent.patch || die
+ rm "${WORKDIR}"/patch/2025_all_openssh-7.7p1-X509_prefer-argv0-to-ssh-when-re-executing-ssh-for-proxyjump.patch || die
+ fi
+
+ if use ldap ; then
+ eapply "${WORKDIR}"/${LDAP_PATCH%.*}
+
+ einfo "Patching version.h to expose LDAP patch set ..."
+ sed -i \
+ -e "/^#define SSH_PORTABLE.*/a #define SSH_LDAP \"-ldap-${LDAP_VER}\"" \
+ "${S}"/version.h || die "Failed to sed-in LDAP patch version"
+ PATCHSET_VERSION_MACROS+=( 'SSH_LDAP' )
+ 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 know failing test (cfgparse) caused by SCTP patch ..."
+ sed -i \
+ -e "/\t\tcfgparse \\\/d" \
+ "${S}"/regress/Makefile || die "Failed to disable known failing test (cfgparse) caused by SCTP patch"
+ fi
+
+ if use hpn ; then
+ eapply "${WORKDIR}"/${HPN_PATCH%.*}
+
+ einfo "Patching Makefile.in for HPN patch set ..."
+ sed -i \
+ -e "/^LIBS=/ s/\$/ -lpthread/" \
+ "${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${HPN_VER}\"" \
+ "${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 hpn ; then
+ einfo "Patching packet.c for X509 and/or HPN patch set ..."
+ sed -i \
+ -e "s/const struct sshcipher/struct sshcipher/" \
+ "${S}"/packet.c || die "Failed to patch ssh_packet_set_connection() (packet.c)"
+ fi
+
+ if use X509 || use sctp || use ldap || use hpn ; then
+ einfo "Patching sshconnect.c to use SSH_RELEASE in send_client_banner() ..."
+ sed -i \
+ -e "s/PROTOCOL_MAJOR_2, PROTOCOL_MINOR_2, SSH_VERSION/PROTOCOL_MAJOR_2, PROTOCOL_MINOR_2, SSH_RELEASE/" \
+ "${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" \
+ "${S}"/sshd_config || die "Failed to remove removed UseLogin option (sshd_config)"
+
+ eapply "${WORKDIR}"/patch/*.patch
+
+ eapply_user #473004
+
+ 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
+
+ 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 ldap and sctp patch conditionally, so can't pass --without-{ldap,sctp}
+ # unconditionally else we get unknown flag warnings.
+ $(use ldap && use_with ldap)
+ $(use sctp && use_with sctp)
+ $(use_with ldns)
+ $(use_with libedit)
+ $(use_with pam)
+ $(use_with pie)
+ $(use_with selinux)
+ $(use_with skey)
+ $(use_with ssl openssl)
+ $(use_with ssl md5-passwords)
+ $(use_with ssl ssl-engine)
+ )
+
+ # The seccomp sandbox is broken on x32, so use the older method for now. #553748
+ use amd64 && [[ ${ABI} == "x32" ]] && myconf+=( --with-sandbox=rlimit )
+
+ econf "${myconf[@]}"
+}
+
+src_test() {
+ local t skipped=() failed=() passed=()
+ local tests=( interop-tests compat-tests )
+
+ local shell=$(egetshell "${UID}")
+ if [[ ${shell} == */nologin ]] || [[ ${shell} == */false ]] ; then
+ elog "Running the full OpenSSH testsuite requires a usable shell for the 'portage'"
+ elog "user, so we will run a subset only."
+ skipped+=( tests )
+ else
+ tests+=( tests )
+ fi
+
+ # It will also attempt to write to the homedir .ssh.
+ local sshhome=${T}/homedir
+ mkdir -p "${sshhome}"/.ssh
+ for t in "${tests[@]}" ; do
+ # Some tests read from stdin ...
+ HOMEDIR="${sshhome}" HOME="${sshhome}" \
+ emake -k -j1 ${t} </dev/null \
+ && passed+=( "${t}" ) \
+ || failed+=( "${t}" )
+ done
+
+ einfo "Passed tests: ${passed[*]}"
+ [[ ${#skipped[@]} -gt 0 ]] && ewarn "Skipped tests: ${skipped[*]}"
+ [[ ${#failed[@]} -gt 0 ]] && die "Some tests failed: ${failed[*]}"
+}
+
+# Gentoo tweaks to default config files.
+tweak_ssh_configs() {
+ local locale_vars=(
+ # These are language variables that POSIX defines.
+ # http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap08.html#tag_08_02
+ LANG LC_ALL LC_COLLATE LC_CTYPE LC_MESSAGES LC_MONETARY LC_NUMERIC LC_TIME
+
+ # These are the GNU extensions.
+ # https://www.gnu.org/software/autoconf/manual/html_node/Special-Shell-Variables.html
+ LANGUAGE LC_ADDRESS LC_IDENTIFICATION LC_MEASUREMENT LC_NAME LC_PAPER LC_TELEPHONE
+ )
+
+ # First the server config.
+ cat <<-EOF >> "${ED%/}"/etc/ssh/sshd_config
+
+ # Allow client to pass locale environment variables. #367017
+ AcceptEnv ${locale_vars[*]}
+ EOF
+
+ # Then the client config.
+ cat <<-EOF >> "${ED%/}"/etc/ssh/ssh_config
+
+ # Send locale environment variables. #367017
+ SendEnv ${locale_vars[*]}
+ EOF
+
+ if use pam ; then
+ sed -i \
+ -e "/^#UsePAM /s:.*:UsePAM yes:" \
+ -e "/^#PasswordAuthentication /s:.*:PasswordAuthentication no:" \
+ -e "/^#PrintMotd /s:.*:PrintMotd no:" \
+ -e "/^#PrintLastLog /s:.*:PrintLastLog no:" \
+ "${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 "${FILESDIR}"/sshd.rc6.5 sshd
+ newconfd "${FILESDIR}"/sshd-r1.confd sshd
+
+ newpamd "${FILESDIR}"/sshd.pam_include.2 sshd
+
+ tweak_ssh_configs
+
+ if use ldap && [[ -n ${LDAP_PATCH} ]] ; then
+ insinto /etc/openldap/schema/
+ newins openssh-lpk_openldap.schema openssh-lpk.schema
+ fi
+
+ doman contrib/ssh-copy-id.1
+ dodoc CREDITS OVERVIEW README* TODO sshd_config
+ use hpn && dodoc HPN-README
+ use X509 || dodoc ChangeLog
+
+ diropts -m 0700
+ dodir /etc/skel/.ssh
+
+ keepdir /var/empty
+
+ systemd_dounit "${FILESDIR}"/sshd.{service,socket}
+ systemd_newunit "${FILESDIR}"/sshd_at.service 'sshd@.service'
+}
+
+pkg_preinst() {
+ enewgroup sshd 22
+ enewuser sshd 22 -1 /var/empty sshd
+}
+
+pkg_postinst() {
+ if has_version "<${CATEGORY}/${PN}-5.8_p1" ; then
+ elog "Starting with openssh-5.8p1, the server will default to a newer key"
+ elog "algorithm (ECDSA). You are encouraged to manually update your stored"
+ elog "keys list as servers update theirs. See ssh-keyscan(1) for more info."
+ fi
+ if has_version "<${CATEGORY}/${PN}-7.0_p1" ; then
+ elog "Starting with openssh-6.7, support for USE=tcpd has been dropped by upstream."
+ elog "Make sure to update any configs that you might have. Note that xinetd might"
+ elog "be an alternative for you as it supports USE=tcpd."
+ fi
+ if has_version "<${CATEGORY}/${PN}-7.1_p1" ; then #557388 #555518
+ elog "Starting with openssh-7.0, support for ssh-dss keys were disabled due to their"
+ elog "weak sizes. If you rely on these key types, you can re-enable the key types by"
+ elog "adding to your sshd_config or ~/.ssh/config files:"
+ elog " PubkeyAcceptedKeyTypes=+ssh-dss"
+ elog "You should however generate new keys using rsa or ed25519."
+
+ elog "Starting with openssh-7.0, the default for PermitRootLogin changed from 'yes'"
+ elog "to 'prohibit-password'. That means password auth for root users no longer works"
+ elog "out of the box. If you need this, please update your sshd_config explicitly."
+ fi
+ if has_version "<${CATEGORY}/${PN}-7.6_p1" ; then
+ elog "Starting with openssh-7.6p1, openssh upstream has removed ssh1 support entirely."
+ elog "Furthermore, rsa keys with less than 1024 bits will be refused."
+ fi
+ if ! use ssl && has_version "${CATEGORY}/${PN}[ssl]" ; then
+ elog "Be aware that by disabling openssl support in openssh, the server and clients"
+ elog "no longer support dss/rsa/ecdsa keys. You will need to generate ed25519 keys"
+ elog "and update all clients/servers that utilize them."
+ fi
+
+ if use hpn && [[ -n "${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
+}
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