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authorPatrick McLean <chutzpah@gentoo.org>2018-01-22 16:19:05 -0800
committerPatrick McLean <chutzpah@gentoo.org>2018-01-22 17:42:39 -0800
commit4c8c40a4f54c9ec9632cf4ce424c629482541ee5 (patch)
tree9a1df7d2ecbb517044551b4bdc787a70b482a6ee /net-misc
parentprofiles: Mask >=net-misc/openssh-7.6_p1[hpn] (bug #634594) (diff)
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net-misc/openssh: Revision bump, bump X509 patch to 11.1
Also re-enable hpn USE flag (disabled by default) since it has now been package.use.mask-ed in the base profile. Bug: https://bugs.gentoo.org/634594 Package-Manager: Portage-2.3.20, Repoman-2.3.6
Diffstat (limited to 'net-misc')
-rw-r--r--net-misc/openssh/Manifest1
-rw-r--r--net-misc/openssh/files/openssh-7.6_p1-hpn-x509-11.1-glue.patch50
-rw-r--r--net-misc/openssh/openssh-7.6_p1-r3.ebuild335
3 files changed, 386 insertions, 0 deletions
diff --git a/net-misc/openssh/Manifest b/net-misc/openssh/Manifest
index c8d339eba7b..c23db685249 100644
--- a/net-misc/openssh/Manifest
+++ b/net-misc/openssh/Manifest
@@ -4,6 +4,7 @@ DIST openssh-7.5p1-hpnssh14v12.tar.xz 23068 BLAKE2B 15702338877e50c2143b33b93bfc
DIST openssh-7.5p1.tar.gz 1510857 BLAKE2B 505764a210018136456c0f5dd40ad9f1383551c3ae037593d4296305df189e0a6f1383adc89b1970d58b8dcfff391878b7a29b848cc244a99705a164bec5d734 SHA512 58c542e8a110fb4316a68db94abb663fa1c810becd0638d45281df8aeca62c1f705090437a80e788e6c29121769b72a505feced537d3118c933fde01b5285c81
DIST openssh-7.6_p1-sctp.patch.xz 6996 BLAKE2B 4a857afdc8fa5cb2bfb9dd1805ac6343e774ac7423e2f4439f2adf585aae18fcf55d63f7f5421e716d76e2dd0205b186b6fea1f53132453ea82f0821cea3124c SHA512 8445a9a8ae8e8baa67c8f386117877ba3f39f33c9cdaff341c8d5fb4ce9dfe22f26d5aedc2b0d4aab67864994ec5a6a487d18b728bd5d5c6efe14175eb9c8151
DIST openssh-7.6p1+x509-11.0.diff.gz 440219 BLAKE2B 9329a7cf8575c21c31ec73f8ca1084708de34a5b530699d8be2a2a75e1ce0d37210a897c894ab75ee8e2ad0f0802d483d041b1bf3cf3ea46a4a423f1350f42d2 SHA512 add86ecdaa696d997f869e6878aaaef285590cc5eddf301be651944bbc6c80af6a891bad6f6aaa4b6e9919ad865a27dc6f45a6e0b923ca52c04f06523fa3197a
+DIST openssh-7.6p1+x509-11.1.diff.gz 451725 BLAKE2B 1397c05539ce7532f5e6bf33fc16d5661c32365e127ab1134c0a12c70f0645b05eb05d3ebd9bf64ed59cb94a63cbe8466ac87c9831605230d1ccd578a736904b SHA512 8d445911d8b28fb922a2a0ddb4b7783f81bc258af708148541d30cb79012789cc319bc2031b4584c4c5504480b70077e675be01070fd3065dc4f5ddee89ad8f1
DIST openssh-7.6p1-hpnssh14v12.tar.xz 15392 BLAKE2B 6888ea4054a470116b2ab3d115f54e3ee54e0d05a24d3331613c241e684a43354b6100ee2be76e5b2dcc8f0444fbae5d146830d634e53a85124d5e553759a552 SHA512 0e2c62cdec360090b359edfd5bbe894fb25d22e387677e8a5d6cf6a0807b0572fda30b90c30390d5b68e359e9958cb1c65abae4afd9af5892c3f64f6f8001956
DIST openssh-7.6p1.tar.gz 1489788 BLAKE2B 938bfeeff0a0aaa2fc7e4c345f04561c6c071c526e354a7d344a08742cb70ab1f4a41d325b31720f2fba5c4afa4db11f3fc87055c8c9c8bea37b29cc11dc8f39 SHA512 de17fdcb8239401f76740c8d689a8761802f6df94e68d953f3c70b9f4f8bdb403617c48c1d01cc8c368d88e9d50aee540bf03d5a36687dfb39dfd28d73029d72
DIST openssh-lpk-7.5p1-0.3.14.patch.xz 17040 BLAKE2B 5b2204316dd244bb8dd11db50d5bc3a194e2cc4b64964a2d3df68bbe54c53588f15fc5176dbc3811e929573fa3e41cf91f412aa2513bb9a4b6ed02c2523c1e24 SHA512 9ce5d7e5d831c972f0f866b686bf93a048a03979ab38627973f5491eeeaa45f9faab0520b3a7ed90a13a67213fdc9cd4cf11e423acad441ea91b71037c8b435b
diff --git a/net-misc/openssh/files/openssh-7.6_p1-hpn-x509-11.1-glue.patch b/net-misc/openssh/files/openssh-7.6_p1-hpn-x509-11.1-glue.patch
new file mode 100644
index 00000000000..d55656aae97
--- /dev/null
+++ b/net-misc/openssh/files/openssh-7.6_p1-hpn-x509-11.1-glue.patch
@@ -0,0 +1,50 @@
+--- a/openssh-7.6p1-hpnssh14v12/0004-support-dynamically-sized-receive-buffers.patch 2017-10-11 15:02:11.850912525 -0700
++++ b/openssh-7.6p1-hpnssh14v12/0004-support-dynamically-sized-receive-buffers.patch 2017-10-11 15:35:06.223424844 -0700
+@@ -907,9 +907,9 @@
+ @@ -517,7 +544,7 @@ send_client_banner(int connection_out, int minor1)
+ {
+ /* Send our own protocol version identification. */
+- xasprintf(&client_version_string, "SSH-%d.%d-%.100s\r\n",
+-- PROTOCOL_MAJOR_2, PROTOCOL_MINOR_2, SSH_VERSION);
+-+ PROTOCOL_MAJOR_2, PROTOCOL_MINOR_2, SSH_RELEASE);
++ xasprintf(&client_version_string, "SSH-%d.%d-%.100s PKIX[%s]\r\n",
++- PROTOCOL_MAJOR_2, PROTOCOL_MINOR_2, SSH_VERSION, PACKAGE_VERSION);
+++ PROTOCOL_MAJOR_2, PROTOCOL_MINOR_2, SSH_RELEASE, PACKAGE_VERSION);
+ if (atomicio(vwrite, connection_out, client_version_string,
+ strlen(client_version_string)) != strlen(client_version_string))
+ fatal("write: %.100s", strerror(errno));
+@@ -918,11 +918,11 @@
+ --- a/sshd.c
+ +++ b/sshd.c
+ @@ -367,7 +367,7 @@ sshd_exchange_identification(struct ssh *ssh, int sock_in, int sock_out)
+- char remote_version[256]; /* Must be at least as big as buf. */
++ }
+
+- xasprintf(&server_version_string, "SSH-%d.%d-%.100s%s%s\r\n",
+-- PROTOCOL_MAJOR_2, PROTOCOL_MINOR_2, SSH_VERSION,
+-+ PROTOCOL_MAJOR_2, PROTOCOL_MINOR_2, SSH_RELEASE,
++ xasprintf(&server_version_string, "SSH-%d.%d-%s%s%s%s\r\n",
++- PROTOCOL_MAJOR_2, PROTOCOL_MINOR_2, SSH_VERSION, pkix_comment,
+++ PROTOCOL_MAJOR_2, PROTOCOL_MINOR_2, SSH_RELEASE, pkix_comment,
+ *options.version_addendum == '\0' ? "" : " ",
+ options.version_addendum);
+
+@@ -982,13 +982,14 @@
+ index e093f623..83f0932d 100644
+ --- a/version.h
+ +++ b/version.h
+-@@ -3,4 +3,5 @@
++@@ -3,3 +3,6 @@
+ #define SSH_VERSION "OpenSSH_7.6"
+
+- #define SSH_PORTABLE "p1"
+--#define SSH_RELEASE SSH_VERSION SSH_PORTABLE
++-#define SSH_RELEASE PACKAGE_STRING ", " SSH_VERSION "p1"
+++#define SSH_PORTABLE "p1"
+ +#define SSH_HPN "-hpn14v12"
+++#define SSH_X509 "-PKIXSSH-11.0"
+-+#define SSH_RELEASE SSH_VERSION SSH_PORTABLE SSH_HPN
+++#define SSH_RELEASE PACKAGE_STRING ", " SSH_VERSION "p1" SSH_HPN
+ --
+ 2.14.2
+
diff --git a/net-misc/openssh/openssh-7.6_p1-r3.ebuild b/net-misc/openssh/openssh-7.6_p1-r3.ebuild
new file mode 100644
index 00000000000..e2e8bbe7114
--- /dev/null
+++ b/net-misc/openssh/openssh-7.6_p1-r3.ebuild
@@ -0,0 +1,335 @@
+# Copyright 1999-2018 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+inherit user flag-o-matic multilib autotools pam systemd versionator
+
+# Make it more portable between straight releases
+# and _p? releases.
+PARCH=${P/_}
+
+HPN_PATCH="${PARCH}-hpnssh14v12.tar.xz"
+SCTP_PATCH="${PN}-7.6_p1-sctp.patch.xz"
+LDAP_PATCH="${PN}-lpk-7.6p1-0.3.14.patch.xz"
+X509_VER="11.1" X509_PATCH="${PN}-${PV/_}+x509-${X509_VER}.diff.gz"
+
+DESCRIPTION="Port of OpenBSD's free SSH release"
+HOMEPAGE="http://www.openssh.org/"
+SRC_URI="mirror://openbsd/OpenSSH/portable/${PARCH}.tar.gz
+ ${SCTP_PATCH:+https://dev.gentoo.org/~polynomial-c/${SCTP_PATCH}}
+ ${HPN_PATCH:+hpn? ( mirror://gentoo/${HPN_PATCH} )}
+ ${LDAP_PATCH:+ldap? ( https://dev.gentoo.org/~polynomial-c/${LDAP_PATCH} )}
+ ${X509_PATCH:+X509? ( https://dev.gentoo.org/~chutzpah/${X509_PATCH} )}
+ "
+
+LICENSE="BSD GPL-2"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86 ~ppc-aix ~x64-cygwin ~amd64-fbsd ~sparc-fbsd ~x86-fbsd ~amd64-linux ~arm-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~m68k-mint ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
+# Probably want to drop ssl defaulting to on in a future version.
+IUSE="abi_mips_n32 audit bindist debug hpn kerberos kernel_linux ldap ldns libedit libressl livecd pam +pie sctp selinux skey +ssl static test X X509"
+REQUIRED_USE="ldns? ( ssl )
+ pie? ( !static )
+ static? ( !kerberos !pam )
+ X509? ( !ldap !sctp ssl )
+ test? ( ssl )"
+
+LIB_DEPEND="
+ audit? ( sys-process/audit[static-libs(+)] )
+ ldns? (
+ net-libs/ldns[static-libs(+)]
+ !bindist? ( net-libs/ldns[ecdsa,ssl(+)] )
+ bindist? ( net-libs/ldns[-ecdsa,ssl(+)] )
+ )
+ libedit? ( dev-libs/libedit:=[static-libs(+)] )
+ sctp? ( net-misc/lksctp-tools[static-libs(+)] )
+ selinux? ( >=sys-libs/libselinux-1.28[static-libs(+)] )
+ skey? ( >=sys-auth/skey-1.1.5-r1[static-libs(+)] )
+ ssl? (
+ !libressl? (
+ >=dev-libs/openssl-1.0.1:0=[bindist=]
+ dev-libs/openssl:0=[static-libs(+)]
+ )
+ libressl? ( dev-libs/libressl:0=[static-libs(+)] )
+ )
+ >=sys-libs/zlib-1.2.3:=[static-libs(+)]"
+RDEPEND="
+ !static? ( ${LIB_DEPEND//\[static-libs(+)]} )
+ pam? ( virtual/pam )
+ kerberos? ( virtual/krb5 )
+ ldap? ( net-nds/openldap )"
+DEPEND="${RDEPEND}
+ static? ( ${LIB_DEPEND} )
+ virtual/pkgconfig
+ virtual/os-headers
+ sys-devel/autoconf"
+RDEPEND="${RDEPEND}
+ pam? ( >=sys-auth/pambase-20081028 )
+ userland_GNU? ( virtual/shadow )
+ X? ( x11-apps/xauth )"
+
+S="${WORKDIR}/${PARCH}"
+
+pkg_pretend() {
+ # this sucks, but i'd rather have people unable to `emerge -u openssh`
+ # than not be able to log in to their server any more
+ maybe_fail() { [[ -z ${!2} ]] && echo "$1" ; }
+ local fail="
+ $(use X509 && maybe_fail X509 X509_PATCH)
+ $(use ldap && maybe_fail ldap LDAP_PATCH)
+ $(use hpn && maybe_fail hpn HPN_PATCH)
+ "
+ fail=$(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
+}
+
+save_version() {
+ # version.h patch conflict avoidence
+ mv version.h version.h.$1
+ cp -f version.h.pristine version.h
+}
+
+src_prepare() {
+ sed -i \
+ -e "/_PATH_XAUTH/s:/usr/X11R6/bin/xauth:${EPREFIX}/usr/bin/xauth:" \
+ pathnames.h || die
+ # keep this as we need it to avoid the conflict between LPK and HPN changing
+ # this file.
+ cp version.h version.h.pristine
+
+ eapply "${FILESDIR}/${P}-warnings.patch"
+
+ # don't break .ssh/authorized_keys2 for fun
+ sed -i '/^AuthorizedKeysFile/s:^:#:' sshd_config || die
+
+ if use X509 ; then
+ if use hpn ; then
+ pushd "${WORKDIR}" >/dev/null
+ eapply "${FILESDIR}"/${P}-hpn-x509-${X509_VER}-glue.patch
+ popd >/dev/null
+ fi
+ save_version X509
+ eapply "${WORKDIR}"/${X509_PATCH%.*}
+ fi
+
+ if use ldap ; then
+ eapply "${WORKDIR}"/${LDAP_PATCH%.*}
+ save_version LPK
+ fi
+
+ eapply "${FILESDIR}"/${PN}-7.5_p1-GSSAPI-dns.patch #165444 integrated into gsskex
+ eapply "${FILESDIR}"/${PN}-6.7_p1-openssl-ignore-status.patch
+ use X509 || eapply "${WORKDIR}"/${SCTP_PATCH%.*}
+ use abi_mips_n32 && eapply "${FILESDIR}"/${PN}-7.3-mips-seccomp-n32.patch
+
+ if use hpn ; then
+ elog "Applying HPN patchset ..."
+ eapply "${WORKDIR}"/${HPN_PATCH%.*.*}
+ save_version HPN
+ fi
+
+ 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
+
+ eapply_user #473004
+
+ # Now we can build a sane merged version.h
+ (
+ sed '/^#define SSH_RELEASE/d' version.h.* | sort -u
+ macros=()
+ for p in HPN LPK X509; do [[ -e version.h.${p} ]] && macros+=( SSH_${p} ) ; done
+ printf '#define SSH_RELEASE SSH_VERSION SSH_PORTABLE %s\n' "${macros[*]}"
+ ) > version.h
+
+ eautoreconf
+}
+
+src_configure() {
+ addwrite /dev/ptmx
+
+ use debug && append-cppflags -DSANDBOX_SECCOMP_FILTER_DEBUG
+ use static && append-ldflags -static
+
+ local myconf=(
+ --with-ldflags="${LDFLAGS}"
+ --disable-strip
+ --with-pid-dir="${EPREFIX}"$(usex kernel_linux '' '/var')/run
+ --sysconfdir="${EPREFIX}"/etc/ssh
+ --libexecdir="${EPREFIX}"/usr/$(get_libdir)/misc
+ --datadir="${EPREFIX}"/usr/share/openssh
+ --with-privsep-path="${EPREFIX}"/var/empty
+ --with-privsep-user=sshd
+ $(use_with audit audit linux)
+ $(use_with kerberos kerberos5 "${EPREFIX}"/usr)
+ # We apply the ldap patch conditionally, so can't pass --without-ldap
+ # unconditionally else we get unknown flag warnings.
+ $(use ldap && use_with ldap)
+ $(use_with ldns)
+ $(use_with libedit)
+ $(use_with pam)
+ $(use_with pie)
+ $(use X509 || use_with sctp)
+ $(use_with selinux)
+ $(use_with skey)
+ $(use_with ssl openssl)
+ $(use_with ssl md5-passwords)
+ $(use_with ssl ssl-engine)
+ )
+
+ # The seccomp sandbox is broken on x32, so use the older method for now. #553748
+ use amd64 && [[ ${ABI} == "x32" ]] && myconf+=( --with-sandbox=rlimit )
+
+ econf "${myconf[@]}"
+}
+
+src_install() {
+ emake install-nokeys DESTDIR="${D}"
+ fperms 600 /etc/ssh/sshd_config
+ dobin contrib/ssh-copy-id
+ newinitd "${FILESDIR}"/sshd.rc6.4 sshd
+ newconfd "${FILESDIR}"/sshd.confd sshd
+
+ newpamd "${FILESDIR}"/sshd.pam_include.2 sshd
+ 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:" \
+ "${ED}"/etc/ssh/sshd_config || die
+ fi
+
+ # Gentoo tweaks to default config files
+ cat <<-EOF >> "${ED}"/etc/ssh/sshd_config
+
+ # Allow client to pass locale environment variables #367017
+ AcceptEnv LANG LC_*
+ EOF
+ cat <<-EOF >> "${ED}"/etc/ssh/ssh_config
+
+ # Send locale environment variables #367017
+ SendEnv LANG LC_*
+ EOF
+
+ if use livecd ; then
+ sed -i \
+ -e '/^#PermitRootLogin/c# Allow root login with password on livecds.\nPermitRootLogin Yes' \
+ "${ED}"/etc/ssh/sshd_config || die
+ fi
+
+ if ! use X509 && [[ -n ${LDAP_PATCH} ]] && use ldap ; then
+ insinto /etc/openldap/schema/
+ newins openssh-lpk_openldap.schema openssh-lpk.schema
+ fi
+
+ doman contrib/ssh-copy-id.1
+ dodoc CREDITS OVERVIEW README* TODO sshd_config
+ use X509 || dodoc ChangeLog
+
+ diropts -m 0700
+ dodir /etc/skel/.ssh
+
+ systemd_dounit "${FILESDIR}"/sshd.{service,socket}
+ systemd_newunit "${FILESDIR}"/sshd_at.service 'sshd@.service'
+}
+
+src_test() {
+ local t skipped=() failed=() passed=()
+ local tests=( interop-tests compat-tests )
+
+ local shell=$(egetshell "${UID}")
+ if [[ ${shell} == */nologin ]] || [[ ${shell} == */false ]] ; then
+ elog "Running the full OpenSSH testsuite requires a usable shell for the 'portage'"
+ elog "user, so we will run a subset only."
+ skipped+=( tests )
+ else
+ tests+=( tests )
+ fi
+
+ # It will also attempt to write to the homedir .ssh.
+ local sshhome=${T}/homedir
+ mkdir -p "${sshhome}"/.ssh
+ for t in "${tests[@]}" ; do
+ # Some tests read from stdin ...
+ HOMEDIR="${sshhome}" HOME="${sshhome}" \
+ emake -k -j1 ${t} </dev/null \
+ && passed+=( "${t}" ) \
+ || failed+=( "${t}" )
+ done
+
+ einfo "Passed tests: ${passed[*]}"
+ [[ ${#skipped[@]} -gt 0 ]] && ewarn "Skipped tests: ${skipped[*]}"
+ [[ ${#failed[@]} -gt 0 ]] && die "Some tests failed: ${failed[*]}"
+}
+
+pkg_preinst() {
+ enewgroup sshd 22
+ enewuser sshd 22 -1 /var/empty sshd
+}
+
+pkg_postinst() {
+ if has_version "<${CATEGORY}/${PN}-5.8_p1" ; then
+ elog "Starting with openssh-5.8p1, the server will default to a newer key"
+ elog "algorithm (ECDSA). You are encouraged to manually update your stored"
+ elog "keys list as servers update theirs. See ssh-keyscan(1) for more info."
+ fi
+ if has_version "<${CATEGORY}/${PN}-7.0_p1" ; then
+ elog "Starting with openssh-6.7, support for USE=tcpd has been dropped by upstream."
+ elog "Make sure to update any configs that you might have. Note that xinetd might"
+ elog "be an alternative for you as it supports USE=tcpd."
+ fi
+ if has_version "<${CATEGORY}/${PN}-7.1_p1" ; then #557388 #555518
+ elog "Starting with openssh-7.0, support for ssh-dss keys were disabled due to their"
+ elog "weak sizes. If you rely on these key types, you can re-enable the key types by"
+ elog "adding to your sshd_config or ~/.ssh/config files:"
+ elog " PubkeyAcceptedKeyTypes=+ssh-dss"
+ elog "You should however generate new keys using rsa or ed25519."
+
+ elog "Starting with openssh-7.0, the default for PermitRootLogin changed from 'yes'"
+ elog "to 'prohibit-password'. That means password auth for root users no longer works"
+ elog "out of the box. If you need this, please update your sshd_config explicitly."
+ fi
+ if has_version "<${CATEGORY}/${PN}-7.6_p1" ; then
+ elog "Starting with openssh-7.6p1, openssh upstream has removed ssh1 support entirely."
+ elog "Furthermore, rsa keys with less than 1024 bits will be refused."
+ fi
+ if ! use ssl && has_version "${CATEGORY}/${PN}[ssl]" ; then
+ elog "Be aware that by disabling openssl support in openssh, the server and clients"
+ elog "no longer support dss/rsa/ecdsa keys. You will need to generate ed25519 keys"
+ elog "and update all clients/servers that utilize them."
+ fi
+
+ # remove this if aes-ctr-mt gets fixed
+ if use hpn; then
+ elog "The multithreaded AES-CTR cipher has been temporarily dropped from the HPN patch"
+ elog "set since it does not (yet) work with >=openssh-7.6p1."
+ fi
+}