net-misc/openssh-8.3_p1: Version bump, no X509 yet

Copyright: Sony Interactive Entertainment Inc.
Package-Manager: Portage-2.3.100, Repoman-2.3.22
Signed-off-by: Patrick McLean <chutzpah@gentoo.org>

3 files changed, 671 insertions, 0 deletions

diff --git a/net-misc/openssh/Manifest b/net-misc/openssh/Manifest
index 9ab471f4d0df..cdd391e5ba29 100644
--- a/net-misc/openssh/Manifest
+++ b/net-misc/openssh/Manifest
@@ -6,6 +6,8 @@ DIST openssh-8.2p1+x509-12.4.2.diff.gz 805574 BLAKE2B 4df31b634308ce074d820df249
 DIST openssh-8.2p1+x509-12.4.3.diff.gz 806905 BLAKE2B 8e0f0f3eeb2aafd9fc9e6eca80c0b51ffedbed9dfc46ff73bb1becd28f6ac013407d03107b59da05d9d56edbf283eef20891086867b79efd8aab81c3e9a4a32f SHA512 51117d7e4df2ff78c4fdfd08c2bb8f1739b1db064df65bab3872e1a956c277a4736c511794aa399061058fea666a76ee07bb50d83a0d077b7fa572d02c030b91
 DIST openssh-8.2p1-sctp-1.2.patch.xz 7668 BLAKE2B 717487cffd235a5dfa2d9d3f2c1983f410d400b0d23f71a9b74406ac3d2f448d76381a3b7a3244942bff4e6bdc3bc78d148b9949c78dc297d99c7330179f8176 SHA512 a5fbd827e62e91b762062a29c7bc3bf569a202bdc8c91da7d77566ff8bb958b5b9fb6f8d45df586e0d7ac07a83de6e82996e9c5cdd6b3bf43336c420d3099305
 DIST openssh-8.2p1.tar.gz 1701197 BLAKE2B 8b95cdebc87e8d14f655ed13c12b91b122adf47161071aa81d0763f81b12fe4bc3d409c260783d995307d4e4ed2d16080fd74b15e4dc6dcc5648d7e66720c3ed SHA512 c4db64e52a3a4c410de9de49f9cb104dd493b10250af3599b92457dd986277b3fd99a6f51cec94892fd1be5bd0369c5757262ea7805f0de464b245c3d34c120a
+DIST openssh-8.3p1-sctp-1.2.patch.xz 7668 BLAKE2B abbc65253d842c09a04811bdbafc175c5226996cdd190812b47ce9646853cd5c1b21d733e719b481cce9c7f4dc00894b6d6be732e311850963df23b9dc55a0e6 SHA512 4e0cc1707663f902dfbf331a431325da78759cc757a4aaae33e0c7f64f21830ec805168d8ae4d47a65a20c235fa534679e288f922df2b24655b7d1ee9a3bf014
+DIST openssh-8.3p1.tar.gz 1706358 BLAKE2B 0b53d92caa4a0f4cb40eee671ac889753d320b7c8e44df159a81dd8163c3663f07fa648f5dc506fb27d31893acf9701b997598c50bf204acf54172d72825a4d8 SHA512 b5232f7c85bf59ae2ff9d17b030117012e257e3b8c0d5ac60bb139a85b1fbf298b40f2e04203a2e13ca7273053ed668b9dedd54d3a67a7cb8e8e58c0228c5f40
 DIST openssh-8_1_P1-hpn-AES-CTR-14.20.diff 29935 BLAKE2B 79101c43601e41306c957481c0680a63357d93bededdf12a32229d50acd9c1f46a386cbb91282e9e7d7bb26a9f276f5a675fd2de7662b7cbd073322b172d3bca SHA512 94f011b7e654630e968a378375aa54fa1fde087b4426d0f2225813262e6667a1073814d6a83e9005f97b371c536e462e614bfe726b092ffed8229791592ca221
 DIST openssh-8_1_P1-hpn-DynWinNoneSwitch-14.20.diff 42696 BLAKE2B d8ac7fa1a4e4d1877acdedeaee80172da469b5a62d0aaa43d6ed46c578e7893577b9d563835d89ca2044867fc561ad3f562bf504c025cf4c78421cf3d24397e9 SHA512 768db7cca8839df4441afcb08457d13d32625b31859da527c3d7f1a92d17a4ec81d6987db00879c394bbe59589e57b10bfd98899a167ffed65ab367b1fd08739
 DIST openssh-8_1_P1-hpn-PeakTput-14.20.diff 2012 BLAKE2B e42c43128f1d82b4de1517e6a9219947da03cecb607f1bc45f0728547f17601a6ce2ec819b6434890efd19ceaf4d20cb98183596ab5ee79e104a52cda7db9cdc SHA512 238f9419efd3be80bd700f6ae7e210e522d747c363c4e670364f5191f144ae3aa8d1b1539c0bf87b3de36743aa73e8101c53c0ef1c6472d209569be389e7814d
diff --git a/net-misc/openssh/files/openssh-8.3_p1-hpn-14.20-glue.patch b/net-misc/openssh/files/openssh-8.3_p1-hpn-14.20-glue.patch
new file mode 100644
index 000000000000..4414f9be5331
--- /dev/null
+++ b/net-misc/openssh/files/openssh-8.3_p1-hpn-14.20-glue.patch
@@ -0,0 +1,177 @@
+Only in b: .openssh-8_1_P1-hpn-DynWinNoneSwitch-14.20.diff.un~
+diff -ur a/openssh-8_1_P1-hpn-AES-CTR-14.20.diff b/openssh-8_1_P1-hpn-AES-CTR-14.20.diff
+--- a/openssh-8_1_P1-hpn-AES-CTR-14.20.diff	2020-05-27 13:52:27.704108928 -0700
++++ b/openssh-8_1_P1-hpn-AES-CTR-14.20.diff	2020-05-27 13:52:49.803967500 -0700
+@@ -3,9 +3,9 @@
+ --- a/Makefile.in
+ +++ b/Makefile.in
+ @@ -42,7 +42,7 @@ CC=@CC@
+- LD=@LD@
+- CFLAGS=@CFLAGS@
++ CFLAGS_NOPIE=@CFLAGS_NOPIE@
+  CPPFLAGS=-I. -I$(srcdir) @CPPFLAGS@ $(PATHS) @DEFS@
++ PICFLAG=@PICFLAG@
+ -LIBS=@LIBS@
+ +LIBS=@LIBS@ -lpthread
+  K5LIBS=@K5LIBS@
+@@ -902,14 +902,14 @@
+  
+  /*
+ @@ -2118,6 +2125,8 @@ fill_default_options(Options * options)
++ 		options->canonicalize_hostname = SSH_CANONICALISE_NO;
++ 	if (options->fingerprint_hash == -1)
+  		options->fingerprint_hash = SSH_FP_HASH_DEFAULT;
+- 	if (options->update_hostkeys == -1)
+- 		options->update_hostkeys = 0;
+ +	if (options->disable_multithreaded == -1)
+ +		options->disable_multithreaded = 0;
+- 
+- 	/* Expand KEX name lists */
+- 	all_cipher = cipher_alg_list(',', 0);
++ #ifdef ENABLE_SK_INTERNAL
++ 	if (options->sk_provider == NULL)
++ 		options->sk_provider = xstrdup("internal");
+ diff --git a/readconf.h b/readconf.h
+ index 8e36bf32..c803eca7 100644
+ --- a/readconf.h
+@@ -952,9 +952,9 @@
+  	sPort, sHostKeyFile, sLoginGraceTime,
+  	sPermitRootLogin, sLogFacility, sLogLevel,
+ @@ -643,6 +647,7 @@ static struct {
+- 	{ "trustedusercakeys", sTrustedUserCAKeys, SSHCFG_ALL },
+  	{ "authorizedprincipalsfile", sAuthorizedPrincipalsFile, SSHCFG_ALL },
+  	{ "kexalgorithms", sKexAlgorithms, SSHCFG_GLOBAL },
++ 	{ "include", sInclude, SSHCFG_ALL },
+ +	{ "disableMTAES", sDisableMTAES, SSHCFG_ALL },
+  	{ "ipqos", sIPQoS, SSHCFG_ALL },
+  	{ "authorizedkeyscommand", sAuthorizedKeysCommand, SSHCFG_ALL },
+diff -ur a/openssh-8_1_P1-hpn-DynWinNoneSwitch-14.20.diff b/openssh-8_1_P1-hpn-DynWinNoneSwitch-14.20.diff
+--- a/openssh-8_1_P1-hpn-DynWinNoneSwitch-14.20.diff	2020-05-27 13:52:27.705108921 -0700
++++ b/openssh-8_1_P1-hpn-DynWinNoneSwitch-14.20.diff	2020-05-27 14:03:57.888683100 -0700
+@@ -409,18 +409,10 @@
+ index 817da43b..b2bcf78f 100644
+ --- a/packet.c
+ +++ b/packet.c
+-@@ -925,6 +925,24 @@ ssh_set_newkeys(struct ssh *ssh, int mode)
++@@ -925,6 +925,16 @@ ssh_set_newkeys(struct ssh *ssh, int mode)
+  	return 0;
+  }
+  
+-+/* this supports the forced rekeying required for the NONE cipher */
+-+int rekey_requested = 0;
+-+void
+-+packet_request_rekeying(void)
+-+{
+-+	rekey_requested = 1;
+-+}
+-+
+ +/* used to determine if pre or post auth when rekeying for aes-ctr
+ + * and none cipher switch */
+ +int
+@@ -434,20 +426,6 @@
+  #define MAX_PACKETS	(1U<<31)
+  static int
+  ssh_packet_need_rekeying(struct ssh *ssh, u_int outbound_packet_len)
+-@@ -951,6 +969,13 @@ ssh_packet_need_rekeying(struct ssh *ssh, u_int outbound_packet_len)
+- 	if (state->p_send.packets == 0 && state->p_read.packets == 0)
+- 		return 0;
+- 
+-+	/* used to force rekeying when called for by the none
+-+         * cipher switch methods -cjr */
+-+        if (rekey_requested == 1) {
+-+                rekey_requested = 0;
+-+                return 1;
+-+        }
+-+
+- 	/* Time-based rekeying */
+- 	if (state->rekey_interval != 0 &&
+- 	    (int64_t)state->rekey_time + state->rekey_interval <= monotime())
+ diff --git a/packet.h b/packet.h
+ index 8ccfd2e0..1ad9bc06 100644
+ --- a/packet.h
+@@ -476,9 +454,9 @@
+  /* Format of the configuration file:
+  
+ @@ -167,6 +168,8 @@ typedef enum {
+- 	oHashKnownHosts,
+  	oTunnel, oTunnelDevice,
+  	oLocalCommand, oPermitLocalCommand, oRemoteCommand,
++ 	oDisableMTAES,
+ +	oTcpRcvBufPoll, oTcpRcvBuf, oHPNDisabled, oHPNBufferSize,
+ +	oNoneEnabled, oNoneSwitch,
+  	oVisualHostKey,
+@@ -615,9 +593,9 @@
+  	int	ip_qos_bulk;		/* IP ToS/DSCP/class for bulk traffic */
+  	SyslogFacility log_facility;	/* Facility for system logging. */
+ @@ -112,7 +116,10 @@ typedef struct {
+- 
+  	int	enable_ssh_keysign;
+  	int64_t rekey_limit;
++ 	int     disable_multithreaded; /*disable multithreaded aes-ctr*/
+ +	int     none_switch;    /* Use none cipher */
+ +	int     none_enabled;   /* Allow none to be used */
+  	int	rekey_interval;
+@@ -700,9 +678,9 @@
+ +			options->hpn_buffer_size = CHAN_TCP_WINDOW_DEFAULT;
+ +	}
+ +
++ 	if (options->disable_multithreaded == -1)
++ 		options->disable_multithreaded = 0;
+  	if (options->ip_qos_interactive == -1)
+- 		options->ip_qos_interactive = IPTOS_DSCP_AF21;
+- 	if (options->ip_qos_bulk == -1)
+ @@ -486,6 +532,8 @@ typedef enum {
+  	sPasswordAuthentication, sKbdInteractiveAuthentication,
+  	sListenAddress, sAddressFamily,
+@@ -731,11 +709,10 @@
+  			*flags = keywords[i].flags;
+  			return keywords[i].opcode;
+  		}
+-@@ -1424,10 +1477,27 @@ process_server_config_line(ServerOptions *options, char *line,
+- 		multistate_ptr = multistate_flag;
++@@ -1424,12 +1477,28 @@ process_server_config_line(ServerOptions *options, char *line,
++ 		multistate_ptr = multistate_ignore_rhosts;
+  		goto parse_multistate;
+  
+-+
+ +	case sTcpRcvBufPoll:
+ +		intptr = &options->tcp_rcv_buf_poll;
+ +		goto parse_flag;
+@@ -750,7 +727,9 @@
+ +
+  	case sIgnoreUserKnownHosts:
+  		intptr = &options->ignore_user_known_hosts;
+- 		goto parse_flag;
++  parse_flag:
++ 		multistate_ptr = multistate_flag;
++ 		goto parse_multistate;
+  
+ +	case sNoneEnabled:
+ +		intptr = &options->none_enabled;
+@@ -1079,11 +1058,11 @@
+  	xxx_host = host;
+  	xxx_hostaddr = hostaddr;
+  
+-@@ -422,6 +433,28 @@ ssh_userauth2(struct ssh *ssh, const char *local_user,
++@@ -422,7 +433,28 @@ ssh_userauth2(struct ssh *ssh, const char *local_user,
+  
+  	if (!authctxt.success)
+  		fatal("Authentication failed.");
+-+
++ 
+ +	/*
+ +	 * If the user wants to use the none cipher, do it post authentication
+ +	 * and only if the right conditions are met -- both of the NONE commands
+@@ -1105,9 +1084,9 @@
+ +		}
+ +	}
+ +
+- 	debug("Authentication succeeded (%s).", authctxt.method->name);
+- }
+- 
++ #ifdef WITH_OPENSSL
++ 	if (options.disable_multithreaded == 0) {
++ 		/* if we are using aes-ctr there can be issues in either a fork or sandbox
+ diff --git a/sshd.c b/sshd.c
+ index 11571c01..23a06022 100644
+ --- a/sshd.c
diff --git a/net-misc/openssh/openssh-8.3_p1.ebuild b/net-misc/openssh/openssh-8.3_p1.ebuild
new file mode 100644
index 000000000000..8238b501a1ae
--- /dev/null
+++ b/net-misc/openssh/openssh-8.3_p1.ebuild
@@ -0,0 +1,492 @@
+# 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-${SCTP_VER}.patch.xz"
+#X509_VER="12.4.3" X509_PATCH="${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 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%.*}
+		eapply "${FILESDIR}"/${P}-X509-${X509_VER}-tests.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}"/${P}-hpn-${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)
+		$(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 "${FILESDIR}"/sshd.pam_include.2 sshd
+
+	tweak_ssh_configs
+
+	doman contrib/ssh-copy-id.1
+	dodoc CREDITS OVERVIEW README* TODO sshd_config
+	use hpn && dodoc HPN-README
+	use X509 || dodoc ChangeLog
+
+	diropts -m 0700
+	dodir /etc/skel/.ssh
+
+	keepdir /var/empty
+
+	systemd_dounit "${FILESDIR}"/sshd.{service,socket}
+	systemd_newunit "${FILESDIR}"/sshd_at.service 'sshd@.service'
+}
+
+pkg_preinst() {
+	if ! use ssl && has_version "${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
+	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
+}