diff options
Diffstat (limited to 'net-misc/openssh')
| -rw-r--r-- | net-misc/openssh/Manifest | 2 | ||||
| -rw-r--r-- | net-misc/openssh/files/openssh-9.4_p1-Allow-MAP_NORESERVE-in-sandbox-seccomp-filter-maps.patch | 44 | ||||
| -rw-r--r-- | net-misc/openssh/openssh-9.6_p1-r2.ebuild | 397 |
3 files changed, 443 insertions, 0 deletions
diff --git a/net-misc/openssh/Manifest b/net-misc/openssh/Manifest index adca99673aee..0c172b6b39c0 100644 --- a/net-misc/openssh/Manifest +++ b/net-misc/openssh/Manifest @@ -1,6 +1,7 @@ AUX openssh-9.3_p1-deny-shmget-shmat-shmdt-in-preauth-privsep-child.patch 415 BLAKE2B e29acfc416d7a84a19691a56cc7f8f6a71955b147d2f7d8686cfa391887040a66249312a321c02f9acc665dfdfcb04b129772f0e44ebdf1ff54853d439a39d7d SHA512 122d325267aa69e4c9520b396ba8608ab1ea77f651cb0078479bc60c938366632c4bc7b0d17b12ef7a13bb6a447b230122029dbed93b837c9698fc91a2822e11 AUX openssh-9.3_p1-disable-conch-interop-tests.patch 554 BLAKE2B f5f45c000ec26c1f783669c3447ea3c80c5c0f9b971b86ca1e79e99e906a90a519abb6b14db462f5766572e9759180719ea44f048ef5aa8efc37efb61d2b6ef7 SHA512 f35b15f1e8d0eb276d748ee14c71004c6599ddb124c33e2f84623bc9eb02bb4fd4680d25d0ba0289d6a723a526c95c9a56b30496bdaa565bae853bf3d1bab61f AUX openssh-9.3_p1-fix-putty-tests.patch 1691 BLAKE2B 8a92766bd2db65a4dab1254a356ecee65203e11179a499b40dfde623c642a0d6aa205490faabd50abfba5bbb4a9d3e1fa9427c42fd82883df1401b7a871979ea SHA512 4b27ece068d233e128dde2571a93ce6ff695ee975e5dcbef84b8c0923e84903494f980bbe38129cd9f83bb34e7a7940f8686a5b8f85d20e3e11c53b6d933196d +AUX openssh-9.4_p1-Allow-MAP_NORESERVE-in-sandbox-seccomp-filter-maps.patch 1647 BLAKE2B 9d55e9060e6eae041176bef27acc58d6026c8fb68c65c71c11c1acbe4e6840a63fba3dbc113a8981da66901717c1f3b4f2211a2cb322d3d4e5eba8c86f4e269c SHA512 d8fc604795d8bb4228ccbfe5714d5503bb1e0d63818d2fac65d533530d01fe4ce4fac0743b8b415f646322fec859b699fa7365beba8a42bd880d737b7c6bd7df AUX sshd-r1.confd 774 BLAKE2B df3f3f28cb4d35b49851399b52408c42e242ae3168ff3fc79add211903567da370cfe86a267932ca9cf13c3afbc38a8f1b53e753a31670ee61bf8ba8747832f8 SHA512 3a69752592126024319a95f1c1747af508fd639c86eca472106c5d6c23d5eeaa441ca74740d4b1aafaa0db759d38879e3c1cee742b08d6166ebc58cddac1e2fe AUX sshd-r1.initd 2675 BLAKE2B 47e87cec2d15b90aae362ce0c8e8ba08dada9ebc244e28be1fe67d24deb00675d3d9b8fef40def8a9224a3e2d15ab717574a3d837e099133c1cf013079588b55 SHA512 257d6437162b76c4a3a648ecc5d4739ca7eaa60b192fde91422c6c05d0de6adfa9635adc24d57dc3da6beb92b1b354ffe8fddad3db453efb610195d5509a4e27 AUX sshd.pam_include.2 156 BLAKE2B 91ebefbb1264fe3fe98df0a72ac22a4cd8a787b3b391af5769798e0b0185f0a588bc089d229c76138fd2db39fbe6bd33924f0d53e0513074d9c2d7abf88dcb78 SHA512 d3f7e6ca8c9f2b5060ebccb259316bb59c9a7e158e8ef9466765a20db263a4043a590811f1a3ab072b718dbd70898bc69b77e0b19603d7f394b5ac1bd0a4a56c @@ -10,4 +11,5 @@ AUX sshd_at.service.1 163 BLAKE2B b5c77d69e3860d365ba96a5b2fe14514bda9425e170fc7 DIST openssh-9.6p1.tar.gz 1857862 BLAKE2B dd7f6747fe89f7b386be4faaf7fc43398a9bf439e45608ae61c2126cf8743c64ef7b5af45c75e9007b0bda525f8809261ca0f2fc47ce60177ba769a5324719dd SHA512 0ebf81e39914c3a90d7777a001ec7376a94b37e6024baf3e972c58f0982b7ddef942315f5e01d56c00ff95603b4a20ee561ab918ecc55511df007ac138160509 DIST openssh-9.6p1.tar.gz.asc 833 BLAKE2B 9363d02f85457aa90069020827306a2f49d8406e32f5ee1d231844648dd2ffa02fa9b7325b8677a11e46a0ba0d9ffc86d9c989435d691a02f5354a956c49f9f9 SHA512 aec5a5bd6ce480a8e5b5879dc55f8186aec90fe61f085aa92ad7d07f324574aa781be09c83b7443a32848d091fd44fb12c1842d49cee77afc351e550ffcc096d EBUILD openssh-9.6_p1-r1.ebuild 14012 BLAKE2B 879504585f4ad5de7e93d54535ebd7a3f82a7b1d7cee1661386f0883d32dc0aa56304b5f2c587f6c21569312736d8408ce91eda7e5c55a0f845197f4cf048e25 SHA512 67a580e5c3888a7253216238147fb51bea2b5bffca75bfa69188b5f6d35ae2bbc18afcc621adfae724e08e992488446268e4e0a07b3c34efa33453f3befb2967 +EBUILD openssh-9.6_p1-r2.ebuild 14105 BLAKE2B 0dc5ac19fd1edbf1114ce98c576245302fb74b97b2f45a501b14c2dd206d4db9a453195ee50d2d9e8edb91766f6ed3c92965c828b9cd8f60f7a42f519f9cf319 SHA512 794e8ca280500f61e7df99e0a1273cfbfe25b0736b0bcb8f4aa4b5486bb915bece9bc6831559755ef8af9af88ff66ad17201ec7f51db22dda99413642235a142 MISC metadata.xml 1788 BLAKE2B d04d3030f70f3615522672fa56e684acaa67ddce8d16cce86ba8911fb8fc11ed152be012ecf560427d271868c4841a7422aaa644305947302d3ebab62bdb577d SHA512 bd328e3a33ce04b989149333db5f774f1b52540f12ef83b08b7fcf136ae2a3a9c83bef42c28991d3536249098ca0b9ffd21e583d93599580510d8619e9fd01ca diff --git a/net-misc/openssh/files/openssh-9.4_p1-Allow-MAP_NORESERVE-in-sandbox-seccomp-filter-maps.patch b/net-misc/openssh/files/openssh-9.4_p1-Allow-MAP_NORESERVE-in-sandbox-seccomp-filter-maps.patch new file mode 100644 index 000000000000..379a3981d7ea --- /dev/null +++ b/net-misc/openssh/files/openssh-9.4_p1-Allow-MAP_NORESERVE-in-sandbox-seccomp-filter-maps.patch @@ -0,0 +1,44 @@ +From 45b491ce13fcf7dbc0b3bd6df986c9cf59190721 Mon Sep 17 00:00:00 2001 +From: Jordan R Abrahams-Whitehead <ajordanr@google.com> +Date: Tue, 12 Dec 2023 22:54:02 +0000 +Subject: [PATCH] Allow MAP_NORESERVE in sandbox seccomp filter maps + +While debugging Scudo on ChromeOS, we found that the no reserve mode +immediately crashed `sshd`. We tracked it down to the +sandbox-seccomp-filter. + +Being able to mmap with MAP_NORESERVE is useful (if not necessary) for +some overcommitting allocators. + +During mmap calls, the flag MAP_NORESERVE is used by some allocators +such as LLVM's Scudo for layout optimisation. This causes the sandbox +seccomp filter for the client subprocess to die with some Scudo +configurations. + +Upstream patch submission: +https://lists.mindrot.org/pipermail/openssh-unix-dev/2023-December/041095.html +--- + sandbox-seccomp-filter.c | 6 ++++-- + 1 file changed, 4 insertions(+), 2 deletions(-) + +diff --git a/sandbox-seccomp-filter.c b/sandbox-seccomp-filter.c +index 23b40b643..a49c5ca99 100644 +--- a/sandbox-seccomp-filter.c ++++ b/sandbox-seccomp-filter.c +@@ -190,9 +190,11 @@ + + #if defined(__NR_mmap) || defined(__NR_mmap2) + # ifdef MAP_FIXED_NOREPLACE +-# define SC_MMAP_FLAGS MAP_PRIVATE|MAP_ANONYMOUS|MAP_FIXED|MAP_FIXED_NOREPLACE ++# define SC_MMAP_FLAGS MAP_PRIVATE|MAP_ANONYMOUS|MAP_FIXED \ ++ |MAP_NORESERVE|MAP_FIXED_NOREPLACE + # else +-# define SC_MMAP_FLAGS MAP_PRIVATE|MAP_ANONYMOUS|MAP_FIXED ++# define SC_MMAP_FLAGS MAP_PRIVATE|MAP_ANONYMOUS|MAP_FIXED \ ++ |MAP_NORESERVE + # endif /* MAP_FIXED_NOREPLACE */ + /* Use this for both __NR_mmap and __NR_mmap2 variants */ + # define SC_MMAP(_nr) \ +-- +2.43.0.472.g3155946c3a-goog + diff --git a/net-misc/openssh/openssh-9.6_p1-r2.ebuild b/net-misc/openssh/openssh-9.6_p1-r2.ebuild new file mode 100644 index 000000000000..dbbcd778f79e --- /dev/null +++ b/net-misc/openssh/openssh-9.6_p1-r2.ebuild @@ -0,0 +1,397 @@ +# Copyright 1999-2024 Gentoo Authors +# Distributed under the terms of the GNU General Public License v2 + +EAPI=8 + +VERIFY_SIG_OPENPGP_KEY_PATH=/usr/share/openpgp-keys/openssh.org.asc +inherit user-info flag-o-matic autotools pam systemd toolchain-funcs verify-sig + +# Make it more portable between straight releases +# and _p? releases. +PARCH=${P/_} + +DESCRIPTION="Port of OpenBSD's free SSH release" +HOMEPAGE="https://www.openssh.com/" +SRC_URI=" + mirror://openbsd/OpenSSH/portable/${PARCH}.tar.gz + verify-sig? ( mirror://openbsd/OpenSSH/portable/${PARCH}.tar.gz.asc ) +" +S="${WORKDIR}/${PARCH}" + +LICENSE="BSD GPL-2" +SLOT="0" +KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~amd64-linux ~x86-linux ~arm64-macos ~ppc-macos ~x64-macos ~x64-solaris" +# Probably want to drop ssl defaulting to on in a future version. +IUSE="abi_mips_n32 audit debug kerberos ldns libedit livecd pam +pie security-key selinux +ssl static test X xmss" + +RESTRICT="!test? ( test )" + +REQUIRED_USE=" + ldns? ( ssl ) + pie? ( !static ) + static? ( !kerberos !pam ) + 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=" + 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=" + ${RDEPEND} + !net-misc/openssh-contrib + pam? ( >=sys-auth/pambase-20081028 ) + !prefix? ( sys-apps/shadow ) + X? ( x11-apps/xauth ) +" +# Weird dep construct for newer gcc-config for bug #872416 +BDEPEND=" + dev-build/autoconf + virtual/pkgconfig + || ( + >=sys-devel/gcc-config-2.6 + >=sys-devel/clang-toolchain-symlinks-14-r1:14 + >=sys-devel/clang-toolchain-symlinks-15-r1:15 + >=sys-devel/clang-toolchain-symlinks-16-r1:* + ) + verify-sig? ( sec-keys/openpgp-keys-openssh ) +" + +PATCHES=( + "${FILESDIR}/${PN}-9.3_p1-disable-conch-interop-tests.patch" + "${FILESDIR}/${PN}-9.3_p1-fix-putty-tests.patch" + "${FILESDIR}/${PN}-9.3_p1-deny-shmget-shmat-shmdt-in-preauth-privsep-child.patch" + "${FILESDIR}/${PN}-9.4_p1-Allow-MAP_NORESERVE-in-sandbox-seccomp-filter-maps.patch" +) + +pkg_pretend() { + local i enabled_eol_flags disabled_eol_flags + for i in hpn sctp X509; do + if has_version "net-misc/openssh[${i}]"; then + enabled_eol_flags+="${i}," + disabled_eol_flags+="-${i}," + fi + done + + if [[ -n ${enabled_eol_flags} && ${OPENSSH_EOL_USE_FLAGS_I_KNOW_WHAT_I_AM_DOING} != yes ]]; then + # Skip for binary packages entirely because of environment saving, bug #907892 + [[ ${MERGE_TYPE} == binary ]] && return + + ewarn "net-misc/openssh does not support USE='${enabled_eol_flags%,}' anymore." + ewarn "The Base system team *STRONGLY* recommends you not rely on this functionality," + ewarn "since these USE flags required third-party patches that often trigger bugs" + ewarn "and are of questionable provenance." + ewarn + ewarn "If you must continue relying on this functionality, switch to" + ewarn "net-misc/openssh-contrib. You will have to remove net-misc/openssh from your" + ewarn "world file first: 'emerge --deselect net-misc/openssh'" + ewarn + ewarn "In order to prevent loss of SSH remote login access, we will abort the build." + ewarn "Whether you proceed with disabling the USE flags or switch to the -contrib" + ewarn "variant, when re-emerging you will have to set" + ewarn + ewarn " OPENSSH_EOL_USE_FLAGS_I_KNOW_WHAT_I_AM_DOING=yes" + + die "Building net-misc/openssh[${disabled_eol_flags%,}] without OPENSSH_EOL_USE_FLAGS_I_KNOW_WHAT_I_AM_DOING=yes" + fi + + # Make sure people who are using tcp wrappers are notified of its removal. #531156 + if grep -qs '^ *sshd *:' "${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 + + [[ -d ${WORKDIR}/patches ]] && PATCHES+=( "${WORKDIR}"/patches ) + + default + + # 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 adds the following in addition to flags we + # already set in our toolchain: + # * -ftrapv (which is broken with GCC anyway), + # * -ftrivial-auto-var-init=zero (which is nice, but not the end of + # the world to not have) + # * -fzero-call-used-regs=used (history of miscompilations with + # Clang (bug #872548), ICEs on m68k (bug #920350, gcc PR113086, + # gcc PR104820, gcc PR104817, gcc PR110934)). + # + # Furthermore, OSSH_CHECK_CFLAG_COMPILE does not use AC_CACHE_CHECK, + # so we cannot just disable -fzero-call-used-regs=used. + # + # Therefore, just pass --without-hardening, given it doesn't negate + # our already hardened toolchain defaults, and avoids adding flags + # which are known-broken in both Clang and GCC and haven't been + # proven reliable. + --without-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) + $(use_with security-key security-key-builtin) + $(use_with ssl openssl) + $(use_with ssl ssl-engine) + ) + + if use elibc_musl; then + # musl defines bogus values for UTMP_FILE and WTMP_FILE (bug #753230) + myconf+=( --disable-utmp --disable-wtmp ) + fi + + # Workaround for Clang 15 miscompilation with -fzero-call-used-regs=all + # bug #869839 (https://github.com/llvm/llvm-project/issues/57692) + tc-is-clang && myconf+=( --without-hardening ) + + econf "${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 "${tests[@]}" </dev/null +} + +# Gentoo tweaks to default config files. +tweak_ssh_configs() { + local locale_vars=( + # These are language variables that POSIX defines. + # http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap08.html#tag_08_02 + LANG LC_ALL LC_COLLATE LC_CTYPE LC_MESSAGES LC_MONETARY LC_NUMERIC LC_TIME + + # These are the GNU extensions. + # https://www.gnu.org/software/autoconf/manual/html_node/Special-Shell-Variables.html + LANGUAGE LC_ADDRESS LC_IDENTIFICATION LC_MEASUREMENT LC_NAME LC_PAPER LC_TELEPHONE + ) + + dodir /etc/ssh/ssh_config.d /etc/ssh/sshd_config.d + cat <<-EOF >> "${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 "${FILESDIR}"/sshd.pam_include.2 sshd + fi + + tweak_ssh_configs + + doman contrib/ssh-copy-id.1 + dodoc ChangeLog CREDITS OVERVIEW README* TODO sshd_config + + diropts -m 0700 + dodir /etc/skel/.ssh + rmdir "${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 +} |