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|
# Copyright 1999-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=7
inherit user-info flag-o-matic multilib autotools pam systemd toolchain-funcs
# Make it more portable between straight releases
# and _p? releases.
PARCH=${P/_}
# PV to USE for HPN patches
#HPN_PV="${PV^^}"
HPN_PV="8.3_P1"
HPN_VER="14.22"
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-${SCTP_VER}.patch.xz"
#X509_VER="12.5.1" X509_PATCH="${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}/${X509_PATCH} )}
"
S="${WORKDIR}/${PARCH}"
LICENSE="BSD GPL-2"
SLOT="0"
KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~ppc-aix ~x64-cygwin ~amd64-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 ldns libedit libressl livecd pam +pie +scp sctp security-key selinux +ssl static test X X509 xmss"
RESTRICT="!test? ( test )"
REQUIRED_USE="
ldns? ( ssl )
pie? ( !static )
static? ( !kerberos !pam )
X509? ( !sctp !security-key ssl !xmss )
xmss? ( || ( ssl libressl ) )
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(+)] )
security-key? ( >=dev-libs/libfido2-1.5.0:=[static-libs(+)] )
selinux? ( >=sys-libs/libselinux-1.28[static-libs(+)] )
ssl? (
!libressl? (
|| (
(
>=dev-libs/openssl-1.0.1:0[bindist=]
<dev-libs/openssl-1.1.0:0[bindist=]
)
>=dev-libs/openssl-1.1.0g:0[bindist=]
)
dev-libs/openssl:0=[static-libs(+)]
)
libressl? ( dev-libs/libressl: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? ( >=sys-kernel/linux-headers-5.1 )
static? ( ${LIB_DEPEND} )
"
RDEPEND="${RDEPEND}
pam? ( >=sys-auth/pambase-20081028 )
userland_GNU? ( !prefix? ( sys-apps/shadow ) )
X? ( x11-apps/xauth )
"
BDEPEND="
virtual/pkgconfig
sys-devel/autoconf
"
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_VER)
$(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}-7.9_p1-include-stdlib.patch
eapply "${FILESDIR}"/${PN}-8.2_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
# workaround for https://bugs.gentoo.org/734984
use X509 || eapply "${FILESDIR}"/${PN}-8.3_p1-sha2-include.patch
[[ -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%.*}
# 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 know failing test (cfgparse) caused by SCTP patch ..."
sed -i \
-e "/\t\tcfgparse \\\/d" \
"${S}"/regress/Makefile || die "Failed to disable known failing test (cfgparse) caused by SCTP patch"
fi
if use hpn ; then
local hpn_patchdir="${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}"/${P}-hpn-${HPN_VER}-glue.patch
if use X509; then
# einfo "Will disable MT AES cipher due to incompatbility caused by X509 patch set"
# # X509 and AES-CTR-MT don't get along, let's just drop it
# rm openssh-${HPN_PV//./_}-hpn-AES-CTR-${HPN_VER}.diff || die
eapply "${FILESDIR}"/${PN}-8.2_p1-hpn-${HPN_VER}-X509-glue.patch
fi
use sctp && eapply "${FILESDIR}"/${PN}-8.4_p1-hpn-${HPN_VER}-sctp-glue.patch
popd &>/dev/null || die
eapply "${hpn_patchdir}"
use X509 || eapply "${FILESDIR}/openssh-8.0_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 [[ ${CHOST} == *-solaris* ]] ; then
# Solaris' glob.h doesn't have things like GLOB_TILDE, configure
# doesn't check for this, so force the replacement to be put in
# place
append-cppflags -DBROKEN_GLOB
fi
local myconf=(
--with-ldflags="${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)
$(use_with ldns ldns "${EPREFIX}"/usr)
$(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 md5-passwords)
$(use_with ssl ssl-engine)
$(use_with !elibc_Cygwin hardening) #659210
)
# stackprotect is broken on musl x86 and ppc
use elibc_musl && ( use x86 || use ppc ) && myconf+=( --without-stackprotect )
# 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}" TMPDIR="${T}" \
SUDO="" SSH_SK_PROVIDER="" \
TEST_SSH_UNSAFE_PERMISSIONS=1 \
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 ${locale_vars[*]}
# Allow client to pass COLORTERM to match TERM. #658540
AcceptEnv COLORTERM
EOF
# Then the client config.
cat <<-EOF >> "${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
newpamd "${FILESDIR}"/sshd.pam_include.2 sshd
tweak_ssh_configs
doman contrib/ssh-copy-id.1
dodoc CREDITS OVERVIEW README* TODO sshd_config
use hpn && dodoc HPN-README
use X509 || dodoc ChangeLog
diropts -m 0700
dodir /etc/skel/.ssh
# https://bugs.gentoo.org/733802
if ! use scp; then
rm "${ED}"/usr/{bin/scp,share/man/man1/scp.1} \
|| die "failed to remove scp"
fi
keepdir /var/empty
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
}
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