[gentoo-commits] proj/hardened-dev:musl commit in: net-misc/openssh/files/, net-misc/openssh/

[Anthony G. Basile]

commit:     c28b27ab2f2d2ed00e42b95086675c06603f1bf7
Author:     layman <layman <AT> localhost>
AuthorDate: Fri Mar 21 16:41:30 2014 +0000
Commit:     Anthony G. Basile <blueness <AT> gentoo <DOT> org>
CommitDate: Fri Mar 21 16:44:33 2014 +0000
URL:        http://git.overlays.gentoo.org/gitweb/?p=proj/hardened-dev.git;a=commit;h=c28b27ab

net-misc/openssh: bump to 6.6_p1

---
 .../files/openssh-6.5_p1-hpn-cipher-align.patch    | 114 ++++++++
 .../openssh-6.6_p1-openssl-ignore-status.patch     |  17 ++
 .../openssh/files/openssh-6.6_p1-x509-glue.patch   |  16 ++
 .../openssh-6.6_p1-x509-hpn14v4-glue-p2.patch      |  26 ++
 net-misc/openssh/openssh-6.6_p1-r99.ebuild         | 316 +++++++++++++++++++++
 5 files changed, 489 insertions(+)

diff --git a/net-misc/openssh/files/openssh-6.5_p1-hpn-cipher-align.patch b/net-misc/openssh/files/openssh-6.5_p1-hpn-cipher-align.patch
new file mode 100644
index 0000000..cfb060f
--- /dev/null
+++ b/net-misc/openssh/files/openssh-6.5_p1-hpn-cipher-align.patch
@@ -0,0 +1,114 @@
+https://bugs.gentoo.org/498632
+
+make sure we do not use unaligned loads/stores as some arches really hate that.
+
+--- a/cipher-ctr-mt.c
++++ b/cipher-ctr-mt.c
+@@ -58,8 +58,16 @@
+ /* Collect thread stats and print at cancellation when in debug mode */
+ /* #define CIPHER_THREAD_STATS */
+ 
+-/* Use single-byte XOR instead of 8-byte XOR */
+-/* #define CIPHER_BYTE_XOR */
++/* Can the system do unaligned loads natively? */
++#if defined(__aarch64__) || \
++    defined(__i386__)    || \
++    defined(__powerpc__) || \
++    defined(__x86_64__)
++# define CIPHER_UNALIGNED_OK
++#endif
++#if defined(__SIZEOF_INT128__)
++# define CIPHER_INT128_OK
++#endif
+ /*-------------------- END TUNABLES --------------------*/
+ 
+ 
+@@ -285,8 +293,20 @@ thread_loop(void *x)
+ 
+ static int
+ ssh_aes_ctr(EVP_CIPHER_CTX *ctx, u_char *dest, const u_char *src,
+-    u_int len)
++    size_t len)
+ {
++	typedef union {
++#ifdef CIPHER_INT128_OK
++		__uint128_t *u128;
++#endif
++		uint64_t *u64;
++		uint32_t *u32;
++		uint8_t *u8;
++		const uint8_t *cu8;
++		uintptr_t u;
++	} ptrs_t;
++	ptrs_t destp, srcp, bufp;
++	uintptr_t align;
+ 	struct ssh_aes_ctr_ctx *c;
+ 	struct kq *q, *oldq;
+ 	int ridx;
+@@ -301,35 +321,41 @@ ssh_aes_ctr(EVP_CIPHER_CTX *ctx, u_char *dest, const u_char *src,
+ 	ridx = c->ridx;
+ 
+ 	/* src already padded to block multiple */
++	srcp.cu8 = src;
++	destp.u8 = dest;
+ 	while (len > 0) {
+ 		buf = q->keys[ridx];
++		bufp.u8 = buf;
+ 
+-#ifdef CIPHER_BYTE_XOR
+-		dest[0] = src[0] ^ buf[0];
+-		dest[1] = src[1] ^ buf[1];
+-		dest[2] = src[2] ^ buf[2];
+-		dest[3] = src[3] ^ buf[3];
+-		dest[4] = src[4] ^ buf[4];
+-		dest[5] = src[5] ^ buf[5];
+-		dest[6] = src[6] ^ buf[6];
+-		dest[7] = src[7] ^ buf[7];
+-		dest[8] = src[8] ^ buf[8];
+-		dest[9] = src[9] ^ buf[9];
+-		dest[10] = src[10] ^ buf[10];
+-		dest[11] = src[11] ^ buf[11];
+-		dest[12] = src[12] ^ buf[12];
+-		dest[13] = src[13] ^ buf[13];
+-		dest[14] = src[14] ^ buf[14];
+-		dest[15] = src[15] ^ buf[15];
+-#else
+-		*(uint64_t *)dest = *(uint64_t *)src ^ *(uint64_t *)buf;
+-		*(uint64_t *)(dest + 8) = *(uint64_t *)(src + 8) ^
+-						*(uint64_t *)(buf + 8);
+-#endif
++		/* figure out the alignment on the fly */
++#ifdef CIPHER_UNALIGNED_OK
++		align = 0;
++#else
++		align = destp.u | srcp.u | bufp.u;
++#endif
++
++#ifdef CIPHER_INT128_OK
++		if ((align & 0xf) == 0) {
++			destp.u128[0] = srcp.u128[0] ^ bufp.u128[0];
++		} else
++#endif
++		if ((align & 0x7) == 0) {
++			destp.u64[0] = srcp.u64[0] ^ bufp.u64[0];
++			destp.u64[1] = srcp.u64[1] ^ bufp.u64[1];
++		} else if ((align & 0x3) == 0) {
++			destp.u32[0] = srcp.u32[0] ^ bufp.u32[0];
++			destp.u32[1] = srcp.u32[1] ^ bufp.u32[1];
++			destp.u32[2] = srcp.u32[2] ^ bufp.u32[2];
++			destp.u32[3] = srcp.u32[3] ^ bufp.u32[3];
++		} else {
++			size_t i;
++			for (i = 0; i < AES_BLOCK_SIZE; ++i)
++				dest[i] = src[i] ^ buf[i];
++		}
+ 
+-		dest += 16;
+-		src += 16;
+-		len -= 16;
++		destp.u += AES_BLOCK_SIZE;
++		srcp.u += AES_BLOCK_SIZE;
++		len -= AES_BLOCK_SIZE;
+ 		ssh_ctr_inc(ctx->iv, AES_BLOCK_SIZE);
+ 
+ 		/* Increment read index, switch queues on rollover */

diff --git a/net-misc/openssh/files/openssh-6.6_p1-openssl-ignore-status.patch b/net-misc/openssh/files/openssh-6.6_p1-openssl-ignore-status.patch
new file mode 100644
index 0000000..6db6b97
--- /dev/null
+++ b/net-misc/openssh/files/openssh-6.6_p1-openssl-ignore-status.patch
@@ -0,0 +1,17 @@
+the last nibble of the openssl version represents the status.  that is,
+whether it is a beta or release.  when it comes to version checks in
+openssh, this component does not matter, so ignore it.
+
+https://bugzilla.mindrot.org/show_bug.cgi?id=2212
+
+--- a/entropy.c
++++ b/entropy.c
+@@ -216,7 +216,7 @@ seed_rng(void)
+ 	 * allow 1.0.1 to work with 1.0.0). Going backwards is only allowed
+ 	 * within a patch series.
+ 	 */
+-	u_long version_mask = SSLeay() >= 0x1000000f ?  ~0xffff0L : ~0xff0L;
++	u_long version_mask = SSLeay() >= 0x1000000f ?  ~0xfffffL : ~0xff0L;
+ 	if (((SSLeay() ^ OPENSSL_VERSION_NUMBER) & version_mask) ||
+ 	    (SSLeay() >> 12) < (OPENSSL_VERSION_NUMBER >> 12))
+ 		fatal("OpenSSL version mismatch. Built against %lx, you "

diff --git a/net-misc/openssh/files/openssh-6.6_p1-x509-glue.patch b/net-misc/openssh/files/openssh-6.6_p1-x509-glue.patch
new file mode 100644
index 0000000..0ba3e45
--- /dev/null
+++ b/net-misc/openssh/files/openssh-6.6_p1-x509-glue.patch
@@ -0,0 +1,16 @@
+Make x509 apply after openssh-5.9_p1-sshd-gssapi-multihomed.patch.
+
+--- openssh-6.6p1+x509-7.9.diff
++++ openssh-6.6p1+x509-7.9.diff
+@@ -15473,10 +15473,9 @@
+  .It Cm ChallengeResponseAuthentication
+  Specifies whether challenge-response authentication is allowed (e.g. via
+  PAM or though authentication styles supported in
+-@@ -499,6 +576,16 @@
++@@ -499,5 +576,15 @@
+  The default is
+  .Dq yes .
+- Note that this option applies to protocol version 2 only.
+ +.It Cm HostbasedAlgorithms
+ +Specifies the protocol version 2 algorithms used in
+ +.Dq hostbased

diff --git a/net-misc/openssh/files/openssh-6.6_p1-x509-hpn14v4-glue-p2.patch b/net-misc/openssh/files/openssh-6.6_p1-x509-hpn14v4-glue-p2.patch
new file mode 100644
index 0000000..a69830e
--- /dev/null
+++ b/net-misc/openssh/files/openssh-6.6_p1-x509-hpn14v4-glue-p2.patch
@@ -0,0 +1,26 @@
+make the hpn patch apply when the x509 patch has also been applied
+
+--- openssh-6.6p1-hpnssh14v4.diff
++++ openssh-6.6p1-hpnssh14v4.diff
+@@ -1742,18 +1742,14 @@
+  	if (options->ip_qos_interactive == -1)
+  		options->ip_qos_interactive = IPTOS_LOWDELAY;
+  	if (options->ip_qos_bulk == -1)
+-@@ -345,9 +393,10 @@
++@@ -345,6 +393,7 @@
+  	sUsePrivilegeSeparation, sAllowAgentForwarding,
+  	sHostCertificate,
+  	sRevokedKeys, sTrustedUserCAKeys, sAuthorizedPrincipalsFile,
+-+	sTcpRcvBufPoll, sHPNDisabled, sHPNBufferSize,
+++	sTcpRcvBufPoll, sHPNDisabled, sHPNBufferSize, sNoneEnabled,
+  	sKexAlgorithms, sIPQoS, sVersionAddendum,
+  	sAuthorizedKeysCommand, sAuthorizedKeysCommandUser,
+--	sAuthenticationMethods, sHostKeyAgent,
+-+	sAuthenticationMethods, sNoneEnabled, sHostKeyAgent,
+- 	sDeprecated, sUnsupported
+- } ServerOpCodes;
+- 
++ 	sAuthenticationMethods, sHostKeyAgent,
+ @@ -468,6 +517,10 @@
+  	{ "revokedkeys", sRevokedKeys, SSHCFG_ALL },
+  	{ "trustedusercakeys", sTrustedUserCAKeys, SSHCFG_ALL },

diff --git a/net-misc/openssh/openssh-6.6_p1-r99.ebuild b/net-misc/openssh/openssh-6.6_p1-r99.ebuild
new file mode 100644
index 0000000..3232115
--- /dev/null
+++ b/net-misc/openssh/openssh-6.6_p1-r99.ebuild
@@ -0,0 +1,316 @@
+# Copyright 1999-2014 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/net-misc/openssh/openssh-6.6_p1-r1.ebuild,v 1.2 2014/03/20 20:58:31 vapier Exp $
+
+EAPI="4"
+inherit eutils user flag-o-matic multilib autotools pam systemd versionator
+
+# Make it more portable between straight releases
+# and _p? releases.
+PARCH=${P/_}
+
+#HPN_PATCH="${PN}-6.6p1-hpnssh14v4.diff.gz"
+HPN_PATCH="${PN}-6.6p1-hpnssh14v4.diff.xz"
+LDAP_PATCH="${PN}-lpk-6.5p1-0.3.14.patch.gz"
+X509_VER="7.9" X509_PATCH="${PARCH}+x509-${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
+	${HPN_PATCH:+hpn? ( http://dev.gentoo.org/~polynomial-c/${HPN_PATCH} )}
+	${LDAP_PATCH:+ldap? ( mirror://gentoo/${LDAP_PATCH} )}
+	${X509_PATCH:+X509? ( http://roumenpetrov.info/openssh/x509-${X509_VER}/${X509_PATCH} )}
+	"
+	#${HPN_PATCH:+hpn? ( mirror://sourceforge/hpnssh/${HPN_PATCH} )}
+
+LICENSE="BSD GPL-2"
+SLOT="0"
+KEYWORDS="amd64 arm ~mips x86"
+IUSE="bindist ${HPN_PATCH:++}hpn kerberos ldap ldns libedit pam selinux skey static tcpd X X509"
+
+LIB_DEPEND="selinux? ( >=sys-libs/libselinux-1.28[static-libs(+)] )
+	skey? ( >=sys-auth/skey-1.1.5-r1[static-libs(+)] )
+	libedit? ( dev-libs/libedit[static-libs(+)] )
+	>=dev-libs/openssl-0.9.6d:0[bindist=]
+	dev-libs/openssl[static-libs(+)]
+	>=sys-libs/zlib-1.2.3[static-libs(+)]
+	tcpd? ( >=sys-apps/tcp-wrappers-7.6[static-libs(+)] )"
+RDEPEND="
+	!static? (
+		${LIB_DEPEND//\[static-libs(+)]}
+		ldns? (
+			!bindist? ( net-libs/ldns[ecdsa,ssl] )
+			bindist? ( net-libs/ldns[-ecdsa,ssl] )
+		)
+	)
+	pam? ( virtual/pam )
+	kerberos? ( virtual/krb5 )
+	ldap? ( net-nds/openldap )"
+DEPEND="${RDEPEND}
+	static? (
+		${LIB_DEPEND}
+		ldns? (
+			!bindist? ( net-libs/ldns[ecdsa,ssl,static-libs(+)] )
+			bindist? ( net-libs/ldns[-ecdsa,ssl,static-libs(+)] )
+		)
+	)
+	virtual/pkgconfig
+	virtual/os-headers
+	sys-devel/autoconf"
+RDEPEND="${RDEPEND}
+	pam? ( >=sys-auth/pambase-20081028 )
+	userland_GNU? ( virtual/shadow )
+	X? ( x11-apps/xauth )"
+
+S=${WORKDIR}/${PARCH}
+
+pkg_setup() {
+	# 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
+}
+
+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
+
+	# don't break .ssh/authorized_keys2 for fun
+	sed -i '/^AuthorizedKeysFile/s:^:#:' sshd_config || die
+
+	epatch "${FILESDIR}"/${PN}-5.9_p1-sshd-gssapi-multihomed.patch #378361
+	if use X509 ; then
+		pushd .. >/dev/null
+		epatch "${FILESDIR}"/${PN}-6.6_p1-x509-glue.patch
+		use hpn && epatch "${FILESDIR}"/${PN}-6.6_p1-x509-hpn14v4-glue-p2.patch
+		popd >/dev/null
+		epatch "${WORKDIR}"/${X509_PATCH%.*}
+		epatch "${FILESDIR}"/${PN}-6.3_p1-x509-hpn14v2-glue.patch
+		save_version X509
+	fi
+	if ! use X509 ; then
+		if [[ -n ${LDAP_PATCH} ]] && use ldap ; then
+			epatch "${WORKDIR}"/${LDAP_PATCH%.*}
+			save_version LPK
+		fi
+	else
+		use ldap && ewarn "Sorry, X509 and LDAP conflict internally, disabling LDAP"
+	fi
+	epatch "${FILESDIR}"/${PN}-4.7_p1-GSSAPI-dns.patch #165444 integrated into gsskex
+	epatch "${FILESDIR}"/${PN}-6.6_p1-openssl-ignore-status.patch
+	if [[ -n ${HPN_PATCH} ]] && use hpn; then
+		epatch "${WORKDIR}"/${HPN_PATCH%.*}
+		epatch "${FILESDIR}"/${PN}-6.5_p1-hpn-cipher-align.patch #498632
+		save_version HPN
+	fi
+
+	tc-export PKG_CONFIG
+	local sed_args=(
+		-e "s:-lcrypto:$(${PKG_CONFIG} --libs openssl):"
+		# Disable PATH reset, trust what portage gives us #254615
+		-e 's:^PATH=/:#PATH=/:'
+		# Disable fortify flags ... our gcc does this for us
+		-e 's:-D_FORTIFY_SOURCE=2::'
+	)
+	sed -i "${sed_args[@]}" configure{,.ac} || die
+
+	epatch "${FILESDIR}"/${PN}-6.4p1-avoid-exit.patch
+	epatch "${FILESDIR}"/${PN}-6.4p1-missing-sys_param_h.patch
+	epatch "${FILESDIR}"/${PN}-6.4p1-fix-typo-construct_utmpx.patch                
+
+	epatch_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
+}
+
+static_use_with() {
+	local flag=$1
+	if use static && use ${flag} ; then
+		ewarn "Disabling '${flag}' support because of USE='static'"
+		# rebuild args so that we invert the first one (USE flag)
+		# but otherwise leave everything else working so we can
+		# just leverage use_with
+		shift
+		[[ -z $1 ]] && flag="${flag} ${flag}"
+		set -- !${flag} "$@"
+	fi
+	use_with "$@"
+}
+
+src_configure() {
+	local myconf
+	addwrite /dev/ptmx
+	addpredict /etc/skey/skeykeys #skey configure code triggers this
+
+	use static && append-ldflags -static
+
+	# Special settings for Gentoo/FreeBSD 9.0 or later (see bug #391011)
+	if use elibc_FreeBSD && version_is_at_least 9.0 "$(uname -r|sed 's/\(.\..\).*/\1/')" ; then
+		myconf="${myconf} --disable-utmp --disable-wtmp --disable-wtmpx"
+		append-ldflags -lutil
+	fi
+
+	econf \
+		--with-ldflags="${LDFLAGS}" \
+		--disable-strip \
+		--with-pid-dir="${EPREFIX}"/var/run \
+		--sysconfdir="${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-md5-passwords \
+		--with-ssl-engine \
+		$(static_use_with pam) \
+		$(static_use_with kerberos kerberos5 /usr) \
+		${LDAP_PATCH:+$(use X509 || ( use ldap && use_with ldap ))} \
+		$(use_with ldns) \
+		$(use_with libedit) \
+		$(use_with selinux) \
+		$(use_with skey) \
+		$(use_with tcpd tcp-wrappers) \
+		${myconf}
+}
+
+src_install() {
+	emake install-nokeys DESTDIR="${D}"
+	fperms 600 /etc/ssh/sshd_config
+	dobin contrib/ssh-copy-id
+	newinitd "${FILESDIR}"/sshd.rc6.4 sshd
+	newconfd "${FILESDIR}"/sshd.confd sshd
+	keepdir /var/empty
+
+	# not all openssl installs support ecc, or are functional #352645
+	if ! grep -q '#define OPENSSL_HAS_ECC 1' config.h ; then
+		elog "dev-libs/openssl was built with 'bindist' - disabling ecdsa support"
+		sed -i 's:&& gen_key ecdsa::' "${ED}"/etc/init.d/sshd || die
+	fi
+
+	newpamd "${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:" \
+			"${ED}"/etc/ssh/sshd_config || die "sed of configuration file failed"
+	fi
+
+	# Gentoo tweaks to default config files
+	cat <<-EOF >> "${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
+
+	# This instruction is from the HPN webpage,
+	# Used for the server logging functionality
+	if [[ -n ${HPN_PATCH} ]] && use hpn ; then
+		keepdir /var/empty/dev
+	fi
+
+	if ! use X509 && [[ -n ${LDAP_PATCH} ]] && use ldap ; then
+		insinto /etc/openldap/schema/
+		newins openssh-lpk_openldap.schema openssh-lpk.schema
+	fi
+
+	doman contrib/ssh-copy-id.1
+	dodoc ChangeLog CREDITS OVERVIEW README* TODO sshd_config
+
+	diropts -m 0700
+	dodir /etc/skel/.ssh
+
+	systemd_dounit "${FILESDIR}"/sshd.{service,socket}
+	systemd_newunit "${FILESDIR}"/sshd_at.service 'sshd@.service'
+}
+
+src_test() {
+	local t tests skipped failed passed shell
+	tests="interop-tests compat-tests"
+	skipped=""
+	shell=$(egetshell ${UID})
+	if [[ ${shell} == */nologin ]] || [[ ${shell} == */false ]] ; then
+		elog "Running the full OpenSSH testsuite"
+		elog "requires a usable shell for the 'portage'"
+		elog "user, so we will run a subset only."
+		skipped="${skipped} tests"
+	else
+		tests="${tests} tests"
+	fi
+	# It will also attempt to write to the homedir .ssh
+	local sshhome=${T}/homedir
+	mkdir -p "${sshhome}"/.ssh
+	for t in ${tests} ; do
+		# Some tests read from stdin ...
+		HOMEDIR="${sshhome}" \
+		emake -k -j1 ${t} </dev/null \
+			&& passed="${passed}${t} " \
+			|| failed="${failed}${t} "
+	done
+	einfo "Passed tests: ${passed}"
+	ewarn "Skipped tests: ${skipped}"
+	if [[ -n ${failed} ]] ; then
+		ewarn "Failed tests: ${failed}"
+		die "Some tests failed: ${failed}"
+	else
+		einfo "Failed tests: ${failed}"
+		return 0
+	fi
+}
+
+pkg_preinst() {
+	enewgroup sshd 22
+	enewuser sshd 22 -1 /var/empty sshd
+}
+
+pkg_postinst() {
+	if has_version "<${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
+	ewarn "Remember to merge your config files in /etc/ssh/ and then"
+	ewarn "reload sshd: '/etc/init.d/sshd reload'."
+	# This instruction is from the HPN webpage,
+	# Used for the server logging functionality
+	if [[ -n ${HPN_PATCH} ]] && use hpn ; then
+		echo
+		einfo "For the HPN server logging patch, you must ensure that"
+		einfo "your syslog application also listens at /var/empty/dev/log."
+	fi
+}