# Copyright 1999-2004 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/net-misc/openssh/openssh-3.7.1_p2-r2.ebuild,v 1.23 2004/11/04 02:49:52 vapier Exp $

inherit eutils flag-o-matic ccc gnuconfig

# Make it more portable between straight releases
# and _p? releases.
PARCH=${P/_/}

X509_PATCH="${PARCH}+x509g2.diff.gz"
SELINUX_PATCH="openssh-3.7.1_p1-selinux.diff"

S=${WORKDIR}/${PARCH}
DESCRIPTION="Port of OpenBSD's free SSH release"
HOMEPAGE="http://www.openssh.com/"
SRC_URI="mirror://openbsd/OpenSSH/portable/${PARCH}.tar.gz
	X509? ( http://roumenpetrov.info/openssh/x509g2/${X509_PATCH} )"

LICENSE="as-is"
SLOT="0"
KEYWORDS="x86 ~ppc sparc alpha mips hppa amd64 ia64 ~ppc64"
IUSE="ipv6 static pam tcpd kerberos skey selinux X509 chroot ldap"

# openssh recognizes when openssl has been slightly upgraded and refuses to run.
# This new rev will use the new openssl.
RDEPEND="virtual/libc
	pam? ( >=sys-libs/pam-0.73
		>=sys-apps/shadow-4.0.2-r2 )
	!mips? ( kerberos? ( virtual/krb5 ) )
	selinux? ( sys-libs/libselinux )
	!ppc64? ( skey? ( >=app-admin/skey-1.1.5-r1 ) )
	>=dev-libs/openssl-0.9.6d
	>=sys-libs/zlib-1.1.4
	!ppc64? ( tcpd? ( >=sys-apps/tcp-wrappers-7.6 ) )"
DEPEND="${RDEPEND}
	virtual/os-headers
	dev-lang/perl
	sys-apps/groff
	>=sys-apps/sed-4"
PROVIDE="virtual/ssh"

src_unpack() {
	unpack ${PARCH}.tar.gz ; cd ${S}

	epatch ${FILESDIR}/${P}-kerberos.patch.bz2

	use selinux && epatch ${FILESDIR}/${SELINUX_PATCH}.bz2
	use alpha && epatch ${FILESDIR}/${PN}-3.5_p1-gentoo-sshd-gcc3.patch.bz2
	use X509 && epatch ${DISTDIR}/${X509_PATCH}

	# looks like this one was rewriten somewhat.
	# epatch ${FILESDIR}/${P}-memory-bugs.patch

	use skey && {
		# prevent the conftest from violating the sandbox
		epatch ${FILESDIR}/${P}-skey.patch.bz2

		# updates to skey implementation.
		epatch ${FILESDIR}/${PN}-skeychallenge-args.diff.bz2
	}

	# feature request bug #26615
	use chroot && epatch ${FILESDIR}/${PN}-${PV}-chroot.patch.bz2
}

src_compile() {
	use ldap && filter-flags -funroll-loops
	use static && append-ldflags -static
	export LDFLAGS


	autoconf

	local myconf

	# Allow OpenSSH to detect mips systems
	gnuconfig_update

	myconf="\
		$( use_with tcpd tcp-wrappers ) \
		$( use_with kerberos kerberos5 ) \
		$( use_with pam ) \
		$( use_with skey )"

	use ipv6 || myconf="${myconf} --with-ipv4-default"

	# make sure .sbss is large enough
	use skey && use alpha && append-ldflags -mlarge-data

	use selinux && append-flags "-DWITH_SELINUX"

	./configure \
		--prefix=/usr \
		--sysconfdir=/etc/ssh \
		--mandir=/usr/share/man \
		--libexecdir=/usr/lib/misc \
		--datadir=/usr/share/openssh \
		--disable-suid-ssh \
		--with-privsep-path=/var/empty \
		--with-privsep-user=sshd \
		--with-md5-passwords \
		--host=${CHOST} \
		${myconf} \
		|| die "bad configure"

#	use static && {
#		# statically link to libcrypto -- good for the boot cd
#		sed -i "s:-lcrypto:/usr/lib/libcrypto.a:g" Makefile
#	}

	emake || die "compile problem"
}

src_install() {
	make install-files DESTDIR=${D} || die
	chmod 600 ${D}/etc/ssh/sshd_config
	dodoc ChangeLog CREDITS OVERVIEW README* TODO sshd_config
	insinto /etc/pam.d  ; newins ${FILESDIR}/sshd.pam sshd
	exeinto /etc/init.d ; newexe ${FILESDIR}/sshd.rc6 sshd
	keepdir /var/empty
	dosed "/^#Protocol /s:.*:Protocol 2:" /etc/ssh/sshd_config
	use pam && dosed "/^#UsePAM /s:.*:UsePAM yes:" /etc/ssh/sshd_config
}

pkg_postinst() {
	# empty dir for the new priv separation auth chroot..
	#install -d -m0755 -o root -g root ${ROOT}/var/empty
	# install doesn't seem to be doing its job, on amd64 at least
	# Brad House <brad_mssw@gentoo.org> 01/10/2004
	if [ ! -d "${ROOT}/var/empty" ]
	then
		mkdir -p "${ROOT}/var/empty"
		chmod 0755 "${ROOT}/var/empty"
		chown root:root "${ROOT}/var/empty"
	fi

	enewgroup sshd 22
	enewuser sshd 22 /bin/false /var/empty sshd

	ewarn "Remember to merge your config files in /etc/ssh/ and then"
	ewarn "restart sshd: '/etc/init.d/sshd restart'."
	ewarn
	einfo "As of version 3.4 the default is to enable the UsePrivelegeSeparation"
	einfo "functionality, but please ensure that you do not explicitly disable"
	einfo "this in your configuration as disabling it opens security holes"
	einfo
	einfo "This revision has removed your sshd user id and replaced it with a"
	einfo "new one with UID 22.  If you have any scripts or programs that"
	einfo "that referenced the old UID directly, you will need to update them."
	einfo
	use pam >/dev/null 2>&1 && {
		einfo "Please be aware users need a valid shell in /etc/passwd"
		einfo "in order to be allowed to login."
		einfo
	}
}