termux-packages/packages/openssh/build.sh

TERMUX_PKG_HOMEPAGE=http://www.openssh.com/
TERMUX_PKG_DESCRIPTION="Secure shell for logging into a remote machine"
TERMUX_PKG_VERSION=7.3p1
TERMUX_PKG_BUILD_REVISION=1
TERMUX_PKG_SRCURL=http://mirrors.mit.edu/pub/OpenBSD/OpenSSH/portable/openssh-${TERMUX_PKG_VERSION}.tar.gz
TERMUX_PKG_SHA256=3ffb989a6dcaa69594c3b550d4855a5a2e1718ccdde7f5e36387b424220fbecc
TERMUX_PKG_DEPENDS="libandroid-support, ldns, openssl"
# --disable-strip to prevent host "install" command to use "-s", which won't work for target binaries:
TERMUX_PKG_EXTRA_CONFIGURE_ARGS="--with-cflags=-Dfd_mask=int --with-ldns --disable-etc-default-login --disable-lastlog --disable-utmp --disable-utmpx --disable-wtmp --disable-wtmpx --disable-libutil --disable-pututline --disable-pututxline --without-stackprotect --with-pid-dir=$TERMUX_PREFIX/var/run --disable-strip --sysconfdir=$TERMUX_PREFIX/etc/ssh --without-ssh1"
TERMUX_PKG_EXTRA_CONFIGURE_ARGS+=" ac_cv_header_sys_un_h=yes ac_cv_func_strnvis=no ac_cv_func_readpassphrase=no ac_cv_search_getrrsetbyname=no ac_cv_func_getlastlogxbyname=no ac_cv_func_fmt_scaled=no ac_cv_func_endgrent=yes"
TERMUX_PKG_EXTRA_CONFIGURE_ARGS+=" --disable-libutil ac_cv_search_openpty=no --with-privsep-path=$TERMUX_PREFIX/var/empty"
TERMUX_PKG_MAKE_INSTALL_TARGET="install-nokeys"
TERMUX_PKG_RM_AFTER_INSTALL="bin/slogin share/man/man1/slogin.1"

termux_step_pre_configure() {
	LD=$CC # Needed to link the binaries
	LDFLAGS+=" -llog" # liblog for android logging in syslog hack
}

termux_step_pre_make () {
	# We need to remove this file before installing, since otherwise the
	# install leaves it alone which means no updated timestamps.
	rm -Rf $TERMUX_PREFIX/etc/moduli
}

termux_step_post_make_install () {
	# OpenSSH 7.0 disabled ssh-dss by default, keep it for a while in Termux:
        echo -e "PasswordAuthentication no\nUsePrivilegeSeparation no\nPubkeyAcceptedKeyTypes +ssh-dss\nSubsystem sftp $TERMUX_PREFIX/libexec/sftp-server" > $TERMUX_PREFIX/etc/ssh/sshd_config
        echo "PubkeyAcceptedKeyTypes +ssh-dss" > $TERMUX_PREFIX/etc/ssh/ssh_config
	cp $TERMUX_PKG_BUILDER_DIR/source-ssh-agent.sh $TERMUX_PREFIX/bin/source-ssh-agent
	cp $TERMUX_PKG_BUILDER_DIR/ssh-with-agent.sh $TERMUX_PREFIX/bin/ssha

	# Install ssh-copy-id:
	cp $TERMUX_PKG_SRCDIR/contrib/ssh-copy-id.1 $TERMUX_PREFIX/share/man/man1/
	cp $TERMUX_PKG_SRCDIR/contrib/ssh-copy-id $TERMUX_PREFIX/bin/
	chmod +x $TERMUX_PREFIX/bin/ssh-copy-id

	mkdir -p $TERMUX_PREFIX/var/run
	echo "OpenSSH needs this folder to put sshd.pid in" >> $TERMUX_PREFIX/var/run/README.openssh

	mkdir -p $TERMUX_PREFIX/etc/ssh/
	cp $TERMUX_PKG_SRCDIR/moduli $TERMUX_PREFIX/etc/ssh/moduli
}

termux_step_create_debscripts () {
	echo "mkdir -p \$HOME/.ssh" > postinst
	echo "" >> postinst
        echo "for a in rsa dsa ecdsa ed25519; do" >> postinst
        echo "    KEYFILE=$TERMUX_PREFIX/etc/ssh/ssh_host_\${a}_key" >> postinst
        echo "    test ! -f \$KEYFILE && ssh-keygen -N '' -t \$a -f \$KEYFILE" >> postinst
        echo "done" >> postinst
        echo "exit 0" >> postinst
        chmod 0755 postinst
}