--- /dev/null
+# Copyright 1999-2019 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit savedconfig pam user
+
+DESCRIPTION="small SSH 2 client/server designed for small memory environments"
+HOMEPAGE="https://matt.ucc.asn.au/dropbear/dropbear.html"
+SRC_URI="https://matt.ucc.asn.au/dropbear/releases/${P}.tar.bz2
+ https://matt.ucc.asn.au/dropbear/testing/${P}.tar.bz2"
+
+LICENSE="MIT"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86 ~amd64-linux ~x86-linux"
+IUSE="bsdpty minimal multicall pam +shadow static +syslog zlib"
+
+LIB_DEPEND="zlib? ( sys-libs/zlib[static-libs(+)] )
+ dev-libs/libtommath[static-libs(+)]"
+RDEPEND="!static? ( ${LIB_DEPEND//\[static-libs(+)]} )
+ pam? ( sys-libs/pam )"
+DEPEND="${RDEPEND}
+ static? ( ${LIB_DEPEND} )"
+RDEPEND+=" pam? ( >=sys-auth/pambase-20080219.1 )"
+
+REQUIRED_USE="pam? ( !static )"
+
+PATCHES=(
+ "${FILESDIR}"/${PN}-0.46-dbscp.patch
+)
+
+set_options() {
+ progs=(
+ dropbear dbclient dropbearkey
+ $(usex minimal "" "dropbearconvert scp")
+ )
+ makeopts=(
+ MULTI=$(usex multicall 1 0)
+ )
+}
+
+src_prepare() {
+ default
+ sed \
+ -e '/SFTPSERVER_PATH/s:".*":"/usr/lib/misc/sftp-server":' \
+ default_options.h > localoptions.h || die
+ sed \
+ -e '/pam_start/s:sshd:dropbear:' \
+ -i svr-authpam.c || die
+ restore_config localoptions.h
+}
+
+src_configure() {
+ # XXX: Need to add libtomcrypt to the tree and re-enable this.
+ # --disable-bundled-libtom
+ # We disable the hardening flags as our compiler already enables them
+ # by default as is appropriate for the target.
+ local myeconfargs=(
+ --disable-harden
+ $(use_enable zlib)
+ $(use_enable pam)
+ $(use_enable !bsdpty openpty)
+ $(use_enable shadow)
+ $(use_enable static)
+ $(use_enable syslog)
+ )
+ econf "${myeconfargs[@]}"
+}
+
+src_compile() {
+ set_options
+ emake "${makeopts[@]}" PROGRAMS="${progs[*]}"
+}
+
+src_install() {
+ set_options
+ emake "${makeopts[@]}" PROGRAMS="${progs[*]}" DESTDIR="${D}" install
+ doman *.8
+ newinitd "${FILESDIR}"/dropbear.init.d dropbear
+ newconfd "${FILESDIR}"/dropbear.conf.d dropbear
+ dodoc CHANGES README SMALL MULTI
+
+ # The multi install target does not install the links right.
+ if use multicall ; then
+ cd "${ED}"/usr/bin || die
+ local x
+ for x in "${progs[@]}" ; do
+ ln -sf dropbearmulti ${x} || die "ln -s dropbearmulti to ${x} failed"
+ done
+ rm -f dropbear
+ dodir /usr/sbin
+ dosym ../bin/dropbearmulti /usr/sbin/dropbear
+ cd "${S}" || die
+ fi
+ save_config localoptions.h
+
+ if ! use minimal ; then
+ mv "${ED}"/usr/bin/{,db}scp || die
+ fi
+
+ pamd_mimic system-remote-login dropbear auth account password session
+}
+
+pkg_preinst() {
+ enewgroup sshd 22
+ enewuser sshd 22 -1 /var/empty sshd
+}