commit:     b9c13abcdabcbde0e879fcff5b650216e8649ebb
Author:     Patrick McLean <chutzpah <AT> gentoo <DOT> org>
AuthorDate: Fri Jul 24 21:10:03 2020 +0000
Commit:     Patrick McLean <chutzpah <AT> gentoo <DOT> org>
CommitDate: Fri Jul 24 21:10:11 2020 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=b9c13abc

net-misc/openssh-8.3_p1-r3: Add default-off USE flag for scp (bug #733802)

Bug: https://bugs.gentoo.org/733802
Package-Manager: Portage-3.0.0, Repoman-2.3.23
Signed-off-by: Patrick McLean <chutzpah <AT> gentoo.org>

 net-misc/openssh/metadata.xml             |   1 +
 net-misc/openssh/openssh-8.3_p1-r3.ebuild | 498 ++++++++++++++++++++++++++++++
 2 files changed, 499 insertions(+)

diff --git a/net-misc/openssh/metadata.xml b/net-misc/openssh/metadata.xml
index 2a8ac0609ec..9ce34e61070 100644
--- a/net-misc/openssh/metadata.xml
+++ b/net-misc/openssh/metadata.xml
@@ -21,6 +21,7 @@ ssh-keygen and sftp-server. OpenSSH supports SSH protocol 
versions 1.3, 1.5, and
 </longdescription>
   <use>
     <flag name="bindist">Disable EC/RC5 algorithms in OpenSSL for patent 
reasons.</flag>
+    <flag name="scp">Enable scp command with known security problems. See bug 
733802</flag>
     <flag name="hpn">Enable high performance ssh</flag>
     <flag name="ldns">Use LDNS for DNSSEC/SSHFP validation.</flag>
     <flag name="livecd">Enable root password logins for live-cd 
environment.</flag>

diff --git a/net-misc/openssh/openssh-8.3_p1-r3.ebuild 
b/net-misc/openssh/openssh-8.3_p1-r3.ebuild
new file mode 100644
index 00000000000..6a9b9b724f8
--- /dev/null
+++ b/net-misc/openssh/openssh-8.3_p1-r3.ebuild
@@ -0,0 +1,498 @@
+# 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="8.1_P1"
+
+HPN_VER="14.20"
+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? ( $(printf 
"mirror://sourceforge/hpnssh/HPN-SSH%%20${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/libfido2-1.4.0:=[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}
+       static? ( ${LIB_DEPEND} )
+       virtual/os-headers
+"
+RDEPEND="${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
+
+       [[ -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
+               eapply "${FILESDIR}"/${PN}-8.2_p1-hpn-${HPN_VER}-libressl.patch
+               if use X509; then
+               #       einfo "Will disable MT AES cipher due to incompatbility 
caused by X509 patch set"
+               #       # X509 and AES-CTR-MT don't get along, let's just drop 
it
+               #       rm openssh-${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}-8.2_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
+
+       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 "${FILESDIR}"/sshd.pam_include.2 sshd
+
+       tweak_ssh_configs
+
+       doman contrib/ssh-copy-id.1
+       dodoc CREDITS OVERVIEW README* TODO sshd_config
+       use hpn && dodoc HPN-README
+       use X509 || dodoc ChangeLog
+
+       diropts -m 0700
+       dodir /etc/skel/.ssh
+
+       # https://bugs.gentoo.org/733802
+       if ! use scp; then
+               rm "${D}"/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 '[email protected]'
+}
+
+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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