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439 lines
15 KiB
439 lines
15 KiB
# Copyright 1999-2018 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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EAPI=6
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inherit user flag-o-matic multilib autotools pam systemd
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# Make it more portable between straight releases
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# and _p? releases.
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PARCH=${P/_}
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CAP_PV="${PV^^}"
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HPN_VER="14.16"
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HPN_PATCHES=(
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${PN}-${CAP_PV/./_}-hpn-DynWinNoneSwitch-${HPN_VER}.diff
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${PN}-${CAP_PV/./_}-hpn-AES-CTR-${HPN_VER}.diff
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)
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HPN_DISABLE_MTAES=1 # unit tests hang on MT-AES-CTR
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SCTP_VER="1.1" SCTP_PATCH="${PARCH}-sctp-${SCTP_VER}.patch.xz"
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X509_VER="11.4" X509_PATCH="${PARCH}+x509-${X509_VER}.diff.gz"
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DESCRIPTION="Port of OpenBSD's free SSH release"
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HOMEPAGE="https://www.openssh.com/"
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SRC_URI="mirror://openbsd/OpenSSH/portable/${PARCH}.tar.gz
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${SCTP_PATCH:+sctp? ( https://dev.gentoo.org/~chutzpah/dist/openssh/${SCTP_PATCH} )}
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${HPN_VER:+hpn? ( $(printf "mirror://sourceforge/hpnssh/HPN-SSH%%20${HPN_VER/./v}%%20${PV/_}/%s\n" "${HPN_PATCHES[@]}") )}
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${X509_PATCH:+X509? ( https://roumenpetrov.info/openssh/x509-${X509_VER}/${X509_PATCH} )}
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"
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LICENSE="BSD GPL-2"
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SLOT="0"
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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 ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~m68k-mint ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
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# Probably want to drop ssl defaulting to on in a future version.
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IUSE="abi_mips_n32 audit bindist debug hpn kerberos kernel_linux ldns libedit libressl livecd pam +pie sctp selinux +ssl static test X X509"
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RESTRICT="!test? ( test )"
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REQUIRED_USE="ldns? ( ssl )
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pie? ( !static )
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static? ( !kerberos !pam )
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X509? ( !sctp ssl )
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test? ( ssl )"
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LIB_DEPEND="
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audit? ( sys-process/audit[static-libs(+)] )
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ldns? (
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net-libs/ldns[static-libs(+)]
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!bindist? ( net-libs/ldns[ecdsa,ssl(+)] )
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bindist? ( net-libs/ldns[-ecdsa,ssl(+)] )
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)
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libedit? ( dev-libs/libedit:=[static-libs(+)] )
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sctp? ( net-misc/lksctp-tools[static-libs(+)] )
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selinux? ( >=sys-libs/libselinux-1.28[static-libs(+)] )
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ssl? (
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!libressl? (
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>=dev-libs/openssl-1.0.1:0=[bindist=]
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dev-libs/openssl:0=[static-libs(+)]
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)
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libressl? ( dev-libs/libressl:0=[static-libs(+)] )
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)
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>=sys-libs/zlib-1.2.3:=[static-libs(+)]"
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RDEPEND="
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!static? ( ${LIB_DEPEND//\[static-libs(+)]} )
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pam? ( virtual/pam )
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kerberos? ( virtual/krb5 )"
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DEPEND="${RDEPEND}
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static? ( ${LIB_DEPEND} )
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virtual/pkgconfig
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virtual/os-headers
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sys-devel/autoconf"
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RDEPEND="${RDEPEND}
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pam? ( >=sys-auth/pambase-20081028 )
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userland_GNU? ( virtual/shadow )
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X? ( x11-apps/xauth )"
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S="${WORKDIR}/${PARCH}"
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pkg_pretend() {
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# this sucks, but i'd rather have people unable to `emerge -u openssh`
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# than not be able to log in to their server any more
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maybe_fail() { [[ -z ${!2} ]] && echo "$1" ; }
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local fail="
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$(use hpn && maybe_fail hpn HPN_VER)
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$(use sctp && maybe_fail sctp SCTP_PATCH)
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$(use X509 && maybe_fail X509 X509_PATCH)
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"
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fail=$(echo ${fail})
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if [[ -n ${fail} ]] ; then
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eerror "Sorry, but this version does not yet support features"
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eerror "that you requested: ${fail}"
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eerror "Please mask ${PF} for now and check back later:"
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eerror " # echo '=${CATEGORY}/${PF}' >> /etc/portage/package.mask"
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die "booooo"
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fi
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# Make sure people who are using tcp wrappers are notified of its removal. #531156
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if grep -qs '^ *sshd *:' "${EROOT%/}"/etc/hosts.{allow,deny} ; then
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ewarn "Sorry, but openssh no longer supports tcp-wrappers, and it seems like"
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ewarn "you're trying to use it. Update your ${EROOT}etc/hosts.{allow,deny} please."
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fi
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}
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src_prepare() {
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sed -i \
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-e "/_PATH_XAUTH/s:/usr/X11R6/bin/xauth:${EPREFIX%/}/usr/bin/xauth:" \
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pathnames.h || die
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# don't break .ssh/authorized_keys2 for fun
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sed -i '/^AuthorizedKeysFile/s:^:#:' sshd_config || die
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eapply "${FILESDIR}"/${PN}-7.8_p1-GSSAPI-dns.patch #165444 integrated into gsskex
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eapply "${FILESDIR}"/${PN}-6.7_p1-openssl-ignore-status.patch
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eapply "${FILESDIR}"/${PN}-7.5_p1-disable-conch-interop-tests.patch
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local PATCHSET_VERSION_MACROS=()
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if use X509 ; then
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pushd "${WORKDIR}" || die
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eapply "${FILESDIR}/${P}-X509-no-version.patch"
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popd || die
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eapply "${WORKDIR}"/${X509_PATCH%.*}
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# We need to patch package version or any X.509 sshd will reject our ssh client
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# with "userauth_pubkey: could not parse key: string is too large [preauth]"
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# error
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einfo "Patching package version for X.509 patch set ..."
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sed -i \
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-e "s/^AC_INIT(\[OpenSSH\], \[Portable\]/AC_INIT([OpenSSH], [${X509_VER}]/" \
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"${S}"/configure.ac || die "Failed to patch package version for X.509 patch"
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einfo "Patching version.h to expose X.509 patch set ..."
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sed -i \
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-e "/^#define SSH_PORTABLE.*/a #define SSH_X509 \"-PKIXSSH-${X509_VER}\"" \
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"${S}"/version.h || die "Failed to sed-in X.509 patch version"
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PATCHSET_VERSION_MACROS+=( 'SSH_X509' )
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fi
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if use sctp ; then
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eapply "${WORKDIR}"/${SCTP_PATCH%.*}
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einfo "Patching version.h to expose SCTP patch set ..."
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sed -i \
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-e "/^#define SSH_PORTABLE/a #define SSH_SCTP \"-sctp-${SCTP_VER}\"" \
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"${S}"/version.h || die "Failed to sed-in SCTP patch version"
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PATCHSET_VERSION_MACROS+=( 'SSH_SCTP' )
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einfo "Disabling know failing test (cfgparse) caused by SCTP patch ..."
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sed -i \
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-e "/\t\tcfgparse \\\/d" \
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"${S}"/regress/Makefile || die "Failed to disable known failing test (cfgparse) caused by SCTP patch"
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fi
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if use hpn ; then
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local hpn_patchdir="${T}/${P}-hpn${HPN_VER}"
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mkdir "${hpn_patchdir}"
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cp $(printf -- "${DISTDIR}/%s\n" "${HPN_PATCHES[@]}") "${hpn_patchdir}"
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pushd "${hpn_patchdir}"
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eapply "${FILESDIR}"/${P}-hpn-glue.patch
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use X509 && eapply "${FILESDIR}"/${P}-hpn-X509-glue.patch
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use sctp && eapply "${FILESDIR}"/${P}-hpn-sctp-glue.patch
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popd
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eapply "${hpn_patchdir}"
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einfo "Patching Makefile.in for HPN patch set ..."
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sed -i \
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-e "/^LIBS=/ s/\$/ -lpthread/" \
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"${S}"/Makefile.in || die "Failed to patch Makefile.in"
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einfo "Patching version.h to expose HPN patch set ..."
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sed -i \
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-e "/^#define SSH_PORTABLE/a #define SSH_HPN \"-hpn${HPN_VER//./v}\"" \
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"${S}"/version.h || die "Failed to sed-in HPN patch version"
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PATCHSET_VERSION_MACROS+=( 'SSH_HPN' )
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if [[ -n "${HPN_DISABLE_MTAES}" ]] ; then
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einfo "Disabling known non-working MT AES cipher per default ..."
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cat > "${T}"/disable_mtaes.conf <<- EOF
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# HPN's Multi-Threaded AES CTR cipher is currently known to be broken
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# and therefore disabled per default.
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DisableMTAES yes
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EOF
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sed -i \
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-e "/^#HPNDisabled.*/r ${T}/disable_mtaes.conf" \
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"${S}"/sshd_config || die "Failed to disabled MT AES ciphers in sshd_config"
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sed -i \
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-e "/AcceptEnv.*_XXX_TEST$/a \\\tDisableMTAES\t\tyes" \
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"${S}"/regress/test-exec.sh || die "Failed to disable MT AES ciphers in test config"
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fi
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fi
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if use X509 || use sctp || use hpn ; then
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einfo "Patching sshconnect.c to use SSH_RELEASE in send_client_banner() ..."
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sed -i \
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-e "s/PROTOCOL_MAJOR_2, PROTOCOL_MINOR_2, SSH_VERSION/PROTOCOL_MAJOR_2, PROTOCOL_MINOR_2, SSH_RELEASE/" \
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"${S}"/sshconnect.c || die "Failed to patch send_client_banner() to use SSH_RELEASE (sshconnect.c)"
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einfo "Patching sshd.c to use SSH_RELEASE in sshd_exchange_identification() ..."
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sed -i \
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-e "s/PROTOCOL_MAJOR_2, PROTOCOL_MINOR_2, SSH_VERSION/PROTOCOL_MAJOR_2, PROTOCOL_MINOR_2, SSH_RELEASE/" \
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"${S}"/sshd.c || die "Failed to patch sshd_exchange_identification() to use SSH_RELEASE (sshd.c)"
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einfo "Patching version.h to add our patch sets to SSH_RELEASE ..."
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sed -i \
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-e "s/^#define SSH_RELEASE.*/#define SSH_RELEASE SSH_VERSION SSH_PORTABLE ${PATCHSET_VERSION_MACROS[*]}/" \
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"${S}"/version.h || die "Failed to patch SSH_RELEASE (version.h)"
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fi
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sed -i \
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-e "/#UseLogin no/d" \
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"${S}"/sshd_config || die "Failed to remove removed UseLogin option (sshd_config)"
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[[ -d ${WORKDIR}/patch ]] && eapply "${WORKDIR}"/patch
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eapply_user #473004
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tc-export PKG_CONFIG
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local sed_args=(
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-e "s:-lcrypto:$(${PKG_CONFIG} --libs openssl):"
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# Disable PATH reset, trust what portage gives us #254615
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-e 's:^PATH=/:#PATH=/:'
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# Disable fortify flags ... our gcc does this for us
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-e 's:-D_FORTIFY_SOURCE=2::'
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)
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# The -ftrapv flag ICEs on hppa #505182
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use hppa && sed_args+=(
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-e '/CFLAGS/s:-ftrapv:-fdisable-this-test:'
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-e '/OSSH_CHECK_CFLAG_LINK.*-ftrapv/d'
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)
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# _XOPEN_SOURCE causes header conflicts on Solaris
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[[ ${CHOST} == *-solaris* ]] && sed_args+=(
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-e 's/-D_XOPEN_SOURCE//'
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)
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sed -i "${sed_args[@]}" configure{.ac,} || die
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eautoreconf
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}
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src_configure() {
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addwrite /dev/ptmx
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use debug && append-cppflags -DSANDBOX_SECCOMP_FILTER_DEBUG
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use static && append-ldflags -static
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local myconf=(
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--with-ldflags="${LDFLAGS}"
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--disable-strip
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--with-pid-dir="${EPREFIX}"$(usex kernel_linux '' '/var')/run
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--sysconfdir="${EPREFIX%/}"/etc/ssh
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--libexecdir="${EPREFIX%/}"/usr/$(get_libdir)/misc
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--datadir="${EPREFIX%/}"/usr/share/openssh
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--with-privsep-path="${EPREFIX%/}"/var/empty
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--with-privsep-user=sshd
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$(use_with audit audit linux)
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$(use_with kerberos kerberos5 "${EPREFIX%/}"/usr)
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# We apply the sctp patch conditionally, so can't pass --without-sctp
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# unconditionally else we get unknown flag warnings.
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$(use sctp && use_with sctp)
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$(use_with ldns)
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$(use_with libedit)
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$(use_with pam)
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$(use_with pie)
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$(use_with selinux)
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$(use_with ssl openssl)
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$(use_with ssl md5-passwords)
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$(use_with ssl ssl-engine)
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$(use_with !elibc_Cygwin hardening) #659210
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)
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# stackprotect is broken on musl x86
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use elibc_musl && use x86 && myconf+=( --without-stackprotect )
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# The seccomp sandbox is broken on x32, so use the older method for now. #553748
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use amd64 && [[ ${ABI} == "x32" ]] && myconf+=( --with-sandbox=rlimit )
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econf "${myconf[@]}"
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}
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src_test() {
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local t skipped=() failed=() passed=()
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local tests=( interop-tests compat-tests )
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local shell=$(egetshell "${UID}")
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if [[ ${shell} == */nologin ]] || [[ ${shell} == */false ]] ; then
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elog "Running the full OpenSSH testsuite requires a usable shell for the 'portage'"
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elog "user, so we will run a subset only."
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skipped+=( tests )
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else
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tests+=( tests )
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fi
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# It will also attempt to write to the homedir .ssh.
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local sshhome=${T}/homedir
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mkdir -p "${sshhome}"/.ssh
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for t in "${tests[@]}" ; do
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# Some tests read from stdin ...
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HOMEDIR="${sshhome}" HOME="${sshhome}" \
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emake -k -j1 ${t} </dev/null \
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&& passed+=( "${t}" ) \
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|| failed+=( "${t}" )
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done
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einfo "Passed tests: ${passed[*]}"
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[[ ${#skipped[@]} -gt 0 ]] && ewarn "Skipped tests: ${skipped[*]}"
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[[ ${#failed[@]} -gt 0 ]] && die "Some tests failed: ${failed[*]}"
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}
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# Gentoo tweaks to default config files.
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tweak_ssh_configs() {
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local locale_vars=(
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# These are language variables that POSIX defines.
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# http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap08.html#tag_08_02
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LANG LC_ALL LC_COLLATE LC_CTYPE LC_MESSAGES LC_MONETARY LC_NUMERIC LC_TIME
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# These are the GNU extensions.
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# https://www.gnu.org/software/autoconf/manual/html_node/Special-Shell-Variables.html
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LANGUAGE LC_ADDRESS LC_IDENTIFICATION LC_MEASUREMENT LC_NAME LC_PAPER LC_TELEPHONE
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)
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# First the server config.
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cat <<-EOF >> "${ED%/}"/etc/ssh/sshd_config
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# Allow client to pass locale environment variables. #367017
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AcceptEnv ${locale_vars[*]}
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# Allow client to pass COLORTERM to match TERM. #658540
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AcceptEnv COLORTERM
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EOF
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# Then the client config.
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cat <<-EOF >> "${ED%/}"/etc/ssh/ssh_config
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# Send locale environment variables. #367017
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SendEnv ${locale_vars[*]}
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# Send COLORTERM to match TERM. #658540
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SendEnv COLORTERM
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EOF
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if use pam ; then
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sed -i \
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-e "/^#UsePAM /s:.*:UsePAM yes:" \
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-e "/^#PasswordAuthentication /s:.*:PasswordAuthentication no:" \
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-e "/^#PrintMotd /s:.*:PrintMotd no:" \
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-e "/^#PrintLastLog /s:.*:PrintLastLog no:" \
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"${ED%/}"/etc/ssh/sshd_config || die
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fi
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if use livecd ; then
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sed -i \
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-e '/^#PermitRootLogin/c# Allow root login with password on livecds.\nPermitRootLogin Yes' \
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"${ED%/}"/etc/ssh/sshd_config || die
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fi
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}
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src_install() {
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emake install-nokeys DESTDIR="${D}"
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fperms 600 /etc/ssh/sshd_config
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dobin contrib/ssh-copy-id
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newinitd "${FILESDIR}"/sshd.initd sshd
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newconfd "${FILESDIR}"/sshd-r1.confd sshd
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newpamd "${FILESDIR}"/sshd.pam_include.2 sshd
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tweak_ssh_configs
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doman contrib/ssh-copy-id.1
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dodoc CREDITS OVERVIEW README* TODO sshd_config
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use hpn && dodoc HPN-README
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use X509 || dodoc ChangeLog
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diropts -m 0700
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dodir /etc/skel/.ssh
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keepdir /var/empty
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systemd_dounit "${FILESDIR}"/sshd.{service,socket}
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systemd_newunit "${FILESDIR}"/sshd_at.service 'sshd@.service'
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}
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pkg_preinst() {
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enewgroup sshd 22
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enewuser sshd 22 -1 /var/empty sshd
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}
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pkg_postinst() {
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if has_version "<${CATEGORY}/${PN}-5.8_p1" ; then
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elog "Starting with openssh-5.8p1, the server will default to a newer key"
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elog "algorithm (ECDSA). You are encouraged to manually update your stored"
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elog "keys list as servers update theirs. See ssh-keyscan(1) for more info."
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fi
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if has_version "<${CATEGORY}/${PN}-7.0_p1" ; then
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elog "Starting with openssh-6.7, support for USE=tcpd has been dropped by upstream."
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elog "Make sure to update any configs that you might have. Note that xinetd might"
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elog "be an alternative for you as it supports USE=tcpd."
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fi
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if has_version "<${CATEGORY}/${PN}-7.1_p1" ; then #557388 #555518
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elog "Starting with openssh-7.0, support for ssh-dss keys were disabled due to their"
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elog "weak sizes. If you rely on these key types, you can re-enable the key types by"
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elog "adding to your sshd_config or ~/.ssh/config files:"
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elog " PubkeyAcceptedKeyTypes=+ssh-dss"
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elog "You should however generate new keys using rsa or ed25519."
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elog "Starting with openssh-7.0, the default for PermitRootLogin changed from 'yes'"
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elog "to 'prohibit-password'. That means password auth for root users no longer works"
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elog "out of the box. If you need this, please update your sshd_config explicitly."
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fi
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if has_version "<${CATEGORY}/${PN}-7.6_p1" ; then
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elog "Starting with openssh-7.6p1, openssh upstream has removed ssh1 support entirely."
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elog "Furthermore, rsa keys with less than 1024 bits will be refused."
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fi
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if has_version "<${CATEGORY}/${PN}-7.7_p1" ; then
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elog "Starting with openssh-7.7p1, we no longer patch openssh to provide LDAP functionality."
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elog "Install sys-auth/ssh-ldap-pubkey and use OpenSSH's \"AuthorizedKeysCommand\" option"
|
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elog "if you need to authenticate against LDAP."
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|
elog "See https://wiki.gentoo.org/wiki/SSH/LDAP_migration for more details."
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|
fi
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if ! use ssl && has_version "${CATEGORY}/${PN}[ssl]" ; then
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elog "Be aware that by disabling openssl support in openssh, the server and clients"
|
|
elog "no longer support dss/rsa/ecdsa keys. You will need to generate ed25519 keys"
|
|
elog "and update all clients/servers that utilize them."
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|
fi
|
|
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|
if use hpn && [[ -n "${HPN_DISABLE_MTAES}" ]] ; then
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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
|
|
}
|