From 6b990a1a411e82ed1c6b818f71a4f104324fade2 Mon Sep 17 00:00:00 2001 From: Patrick McLean Date: Thu, 5 Oct 2023 15:16:45 -0700 Subject: net-misc/openssh-contrib: add 9.5_p1 Signed-off-by: Patrick McLean --- net-misc/openssh-contrib/Manifest | 5 + .../openssh-contrib/openssh-contrib-9.5_p1.ebuild | 505 +++++++++++++++++++++ 2 files changed, 510 insertions(+) create mode 100644 net-misc/openssh-contrib/openssh-contrib-9.5_p1.ebuild diff --git a/net-misc/openssh-contrib/Manifest b/net-misc/openssh-contrib/Manifest index 8a69297b58be..4474bb040ac6 100644 --- a/net-misc/openssh-contrib/Manifest +++ b/net-misc/openssh-contrib/Manifest @@ -18,3 +18,8 @@ DIST openssh-9.4_p1-hpn-15.2-X509-14.2-glue.patch.xz 5144 BLAKE2B 324dff4cccc027 DIST openssh-9.4p1+x509-14.2.1.diff.gz 1221969 BLAKE2B 67b06648aafd849fdcb4c54c4a841c46b6a97d53d7ebdefe6110aba7a0877833ebb2a8d22a1e51a748051f889ba08cc1501ea0e9e221fef2f5c0e8caad170983 SHA512 d90dc7bde008ab793d9f85f1b4b0687f1d084fdf2fc6cfd229748424ddcc4664f558be44fee73d72e88bc99e03a5dd1ec57138a82f77b82e0f65d14bd3ef545a DIST openssh-9.4p1.tar.gz 1845094 BLAKE2B d13d758129cce947d3f12edb6e88406aad10de6887b19ffa3ebd8e382b742a05f2a692a8824aec99939f6c7e13fbccc3bb14e5ee112f9a9255d4882eb87dcf53 SHA512 0aaedeced7dbc70419c7245eb0e9db4ef570e0e7739b890ebae04d56da5fe8d147e8e150f3c943f60730976569e3ac6cc8da62ec7e2a78e2ef47d295ca0b1d25 DIST openssh-9.4p1.tar.gz.asc 833 BLAKE2B 95eedd9356766e5d0ea1261da3dc4c7869f054b418c626fb35815a0aa655b1ddbf54436b437d98c4344b05c9196c8fa1f592eac07b3ccf08bd3e980f8b6955af SHA512 983b4ebaa3b98e70831ce686cb503270926c065163a2510eef0c5102ef50b6e665b889ee15ea8c0bd7c4bbddb19270f036e1d554a8212ef2c292f9c682c8631a +DIST openssh-9.5_p1-X509-glue-14.3.patch.xz 788 BLAKE2B 641c9936639a7629f6ae82d56f48b9dd39e58087024fe04259e2be5aef3b484a3f8ba6c91e603dd4f80d03c92490ee85cbaccff1e40e4f7ee1064c4a1ac9f191 SHA512 8f9255e3f8a682d7c82125a6064cdd8a80616e4b699a4c101515f15af7185a6b0b98efa246e0ed97a278f377ea616daf2dd98d0dc479c24d1ac3a76c12cd97ec +DIST openssh-9.5_p1-hpn-15.2-X509-14.3-glue.patch.xz 5132 BLAKE2B 82a30622e67fab233591f6b30c634f2f8383eda77de163b6139ca9892c0485d8f174901e5e6788f6c911e0859e563ac6a9022e99099507f76a59908770474e78 SHA512 697b2ce1b2b0aa1bcf95b76b3bc79de7d8793a3c2975bc3bfb23a64fd3a9133df9fd0831848f9388b21f7f1fd597824b221d45b9380ee26beb60040596386d61 +DIST openssh-9.5p1+x509-14.3.diff.gz 1224337 BLAKE2B f695711eeab6b40a8660ac897961068738cb5941c799243888d5a90f56cf4b308803dd88d3d97d7932a72b82ebc269e20c7d142076fb3b03def1245491da0497 SHA512 a7798e2a40a81df882911c485fa240584713135df59c6dab720597b6ef60ecfac85ebd595983d7c5ce8625b758eeb777fe1462845976a2674cad339dadc0719a +DIST openssh-9.5p1.tar.gz 1843001 BLAKE2B 55dbb0a2792b0046c943a19ca0966660e6e378e77856e94823a1bbbafaa0da94357403765c4c028aebf6543049a0f9bbe0019629be3f92cdadfac1be56def796 SHA512 e183fdf7477fd986215b889eea4a945d71385e35305746ccb164e757ecc28166f429c70890a237d8ef4cdcae5132935ba2ecb3b2a658eb73a6afcf6f42277b9c +DIST openssh-9.5p1.tar.gz.asc 833 BLAKE2B abec3d14d9a880008db202be00ed446ccc0a98ce77c16a9e6d6492feac07c8f3284f9cd24f6ee1d904a55f9f23d5cce8a716916975c179a38ef6bde1d36e0acf SHA512 2b6de653420ba02eb99c7e6fba09af3bacfe9c701f3dfc3c94f41a3539c0414954fc5c64cce63c488c5ccd5d4ddb42d3f2184ff7f323342c885c47bf7d426ca1 diff --git a/net-misc/openssh-contrib/openssh-contrib-9.5_p1.ebuild b/net-misc/openssh-contrib/openssh-contrib-9.5_p1.ebuild new file mode 100644 index 000000000000..0c2cbcad0001 --- /dev/null +++ b/net-misc/openssh-contrib/openssh-contrib-9.5_p1.ebuild @@ -0,0 +1,505 @@ +# Copyright 1999-2023 Gentoo Authors +# Distributed under the terms of the GNU General Public License v2 + +EAPI=8 + +inherit user-info flag-o-matic autotools pam systemd toolchain-funcs verify-sig + +# Make it more portable between straight releases +# and _p? releases. +MY_P=${P/-contrib/} +PARCH=${MY_P/_} + +# PV to USE for HPN patches +#HPN_PV="${PV^^}" +HPN_PV="8.5_P1" + +HPN_VER="15.2" +HPN_PATCHES=( + openssh-${HPN_PV/./_}-hpn-DynWinNoneSwitch-${HPN_VER}.diff + openssh-${HPN_PV/./_}-hpn-PeakTput-${HPN_VER}.diff +) +HPN_GLUE_PATCH="openssh-9.3_p2-hpn-${HPN_VER}-glue.patch" +HPN_PATCH_DIR="HPN-SSH%%20${HPN_VER/./v}%%20${HPN_PV/_P/p}" + +X509_VER="14.3" +X509_PATCH="${PARCH}+x509-${X509_VER}.diff.gz" +X509_PATCH="${X509_PATCH/p2/p1}" +X509_GLUE_PATCH="openssh-${PV}-X509-glue-${X509_VER}.patch" +#X509_HPN_GLUE_PATCH="${MY_P}-hpn-${HPN_VER}-X509-${X509_VER}-glue.patch" +X509_HPN_GLUE_PATCH="${MY_P}-hpn-${HPN_VER}-X509-${X509_VER%.1}-glue.patch" + +DESCRIPTION="Port of OpenBSD's free SSH release with HPN/X509 patches" +HOMEPAGE="https://www.openssh.com/" +SRC_URI="mirror://openbsd/OpenSSH/portable/${PARCH}.tar.gz + ${HPN_VER:+hpn? ( + $(printf "mirror://sourceforge/project/hpnssh/Patches/${HPN_PATCH_DIR}/%s\n" "${HPN_PATCHES[@]}") + https://dev.gentoo.org/~chutzpah/dist/openssh/${HPN_GLUE_PATCH}.xz + )} + ${X509_VER:+X509? ( + https://roumenpetrov.info/openssh/x509-${X509_VER}/${X509_PATCH} + https://dev.gentoo.org/~chutzpah/dist/openssh/${X509_GLUE_PATCH}.xz + ${HPN_VER:+hpn? ( https://dev.gentoo.org/~chutzpah/dist/openssh/${X509_HPN_GLUE_PATCH}.xz )} + )} + 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="~amd64" +# 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 security-key selinux +ssl static test X X509 xmss" + +RESTRICT="!test? ( test )" + +REQUIRED_USE=" + hpn? ( ssl ) + ldns? ( ssl ) + pie? ( !static ) + static? ( !kerberos !pam ) + X509? ( 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(+)] ) + 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=" + !net-misc/openssh + 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 ) +" +# Weird dep construct for newer gcc-config for bug #872416 +BDEPEND=" + sys-devel/autoconf + virtual/pkgconfig + || ( + >=sys-devel/gcc-config-2.6 + >=sys-devel/clang-toolchain-symlinks-14-r1:14 + >=sys-devel/clang-toolchain-symlinks-15-r1:15 + >=sys-devel/clang-toolchain-symlinks-16-r1:* + ) + verify-sig? ( sec-keys/openpgp-keys-openssh ) +" + +PATCHES=( + "${FILESDIR}/openssh-7.9_p1-include-stdlib.patch" + "${FILESDIR}/openssh-8.7_p1-GSSAPI-dns.patch" #165444 integrated into gsskex + "${FILESDIR}/openssh-6.7_p1-openssl-ignore-status.patch" + "${FILESDIR}/openssh-7.5_p1-disable-conch-interop-tests.patch" + "${FILESDIR}/openssh-8.0_p1-fix-putty-tests.patch" + "${FILESDIR}/openssh-9.3_p1-deny-shmget-shmat-shmdt-in-preauth-privsep-child.patch" + "${FILESDIR}/openssh-8.9_p1-allow-ppoll_time64.patch" #834019 +) + +pkg_pretend() { + # this sucks, but i'd rather have people unable to `emerge -u openssh` + # than not be able to log in to their server any more + local missing=() + check_feature() { use "${1}" && [[ -z ${!2} ]] && missing+=( "${1}" ); } + check_feature hpn HPN_VER + check_feature 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 -- "${PATCHES[@]}" + + [[ -d ${WORKDIR}/patches ]] && eapply "${WORKDIR}"/patches + + local PATCHSET_VERSION_MACROS=() + + if use X509 ; then + pushd "${WORKDIR}" &>/dev/null || die + eapply "${WORKDIR}/${X509_GLUE_PATCH}" + popd &>/dev/null || die + + eapply "${WORKDIR}"/${X509_PATCH%.*} + eapply "${FILESDIR}/openssh-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 hpn ; then + local hpn_patchdir="${T}/openssh-${PV}-hpn${HPN_VER}" + mkdir "${hpn_patchdir}" || die + cp $(printf -- "${DISTDIR}/%s\n" "${HPN_PATCHES[@]}") "${hpn_patchdir}" || die + pushd "${hpn_patchdir}" &>/dev/null || die + eapply "${WORKDIR}/${HPN_GLUE_PATCH}" + use X509 && eapply "${WORKDIR}/${X509_HPN_GLUE_PATCH}" + popd &>/dev/null || die + + eapply "${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 "${HPN_DISABLE_MTAES}" ]] ; then + # Before re-enabling, check https://bugs.gentoo.org/354113#c6 + # and be sure to have tested it. + einfo "Disabling known non-working MT AES cipher per default ..." + + cat > "${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 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 + + 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 fortify flags ... our gcc does this for us + -e 's:-D_FORTIFY_SOURCE=2::' + ) + + # _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 + --with-hardening + $(use_with audit audit linux) + $(use_with kerberos kerberos5 "${EPREFIX}"/usr) + $(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) + $(use_with ssl ssl-engine) + ) + + if use elibc_musl; then + # musl defines bogus values for UTMP_FILE and WTMP_FILE + # https://bugs.gentoo.org/753230 + myconf+=( --disable-utmp --disable-wtmp ) + fi + + # Workaround for Clang 15 miscompilation with -fzero-call-used-regs=all + # bug #869839 (https://github.com/llvm/llvm-project/issues/57692) + tc-is-clang && myconf+=( --without-hardening ) + + econf "${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 "${tests[@]}" > "${ED}"/etc/ssh/ssh_config || die + Include "${EPREFIX}/etc/ssh/ssh_config.d/*.conf" + EOF + cat <<-EOF >> "${ED}"/etc/ssh/sshd_config || die + Include "${EPREFIX}/etc/ssh/sshd_config.d/*.conf" + EOF + + cat <<-EOF >> "${ED}"/etc/ssh/ssh_config.d/9999999gentoo.conf || die + # Send locale environment variables (bug #367017) + SendEnv ${locale_vars[*]} + + # Send COLORTERM to match TERM (bug #658540) + SendEnv COLORTERM + EOF + + cat <<-EOF >> "${ED}"/etc/ssh/ssh_config.d/9999999gentoo-security.conf || die + RevokedHostKeys "${EPREFIX}/etc/ssh/ssh_revoked_hosts" + EOF + + cat <<-EOF >> "${ED}"/etc/ssh/ssh_revoked_hosts || die + # https://github.blog/2023-03-23-we-updated-our-rsa-ssh-host-key/ + ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAq2A7hRGmdnm9tUDbO9IDSwBK6TbQa+PXYPCPy6rbTrTtw7PHkccKrpp0yVhp5HdEIcKr6pLlVDBfOLX9QUsyCOV0wzfjIJNlGEYsdlLJizHhbn2mUjvSAHQqZETYP81eFzLQNnPHt4EVVUh7VfDESU84KezmD5QlWpXLmvU31/yMf+Se8xhHTvKSCZIFImWwoG6mbUoWf9nzpIoaSjB+weqqUUmpaaasXVal72J+UX2B+2RPW3RcT0eOzQgqlJL3RKrTJvdsjE3JEAvGq3lGHSZXy28G3skua2SmVi/w4yCE6gbODqnTWlg7+wC604ydGXA8VJiS5ap43JXiUFFAaQ== + EOF + + cat <<-EOF >> "${ED}"/etc/ssh/sshd_config.d/9999999gentoo.conf || die + # Allow client to pass locale environment variables (bug #367017) + AcceptEnv ${locale_vars[*]} + + # Allow client to pass COLORTERM to match TERM (bug #658540) + AcceptEnv COLORTERM + EOF + + if use pam ; then + cat <<-EOF >> "${ED}"/etc/ssh/sshd_config.d/9999999gentoo-pam.conf || die + UsePAM yes + # This interferes with PAM. + PasswordAuthentication no + # PAM can do its own handling of MOTD. + PrintMotd no + PrintLastLog no + EOF + fi + + if use livecd ; then + cat <<-EOF >> "${ED}"/etc/ssh/sshd_config.d/9999999gentoo-livecd.conf || die + # Allow root login with password on livecds. + PermitRootLogin Yes + EOF + fi +} + +src_install() { + emake install-nokeys DESTDIR="${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 "${FILESDIR}"/sshd.socket + systemd_newunit "${FILESDIR}"/sshd.service.1 sshd.service + systemd_newunit "${FILESDIR}"/sshd_at.service.1 'sshd@.service' +} + +pkg_preinst() { + if ! use ssl && has_version "${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 "${old_ver}" -lt "8.2_p1"; then + ewarn "After upgrading to openssh-8.2p1 please restart sshd, otherwise you" + ewarn "will not be able to establish new sessions. Restarting sshd over a ssh" + ewarn "connection is generally safe." + fi + if ver_test "${old_ver}" -lt "9.2_p1-r1" && systemd_is_booted; then + ewarn "From openssh-9.2_p1-r1 the supplied systemd unit file defaults to" + ewarn "'Restart=on-failure', which causes the service to automatically restart if it" + ewarn "terminates with an unclean exit code or signal. This feature is useful for most users," + ewarn "but it can increase the vulnerability of the system in the event of a future exploit." + ewarn "If you have a web-facing setup or are concerned about security, it is recommended to" + ewarn "set 'Restart=no' in your sshd unit file." + 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 +} -- cgit v1.2.3-65-gdbad