added dropbear package

packages/d/dropbear/Pkgfile

@@ -0,0 +1,33 @@
+# Description: Small and secure SSH2 server and client
+# URL: https://matt.ucc.asn.au/dropbear/dropbear.html
+# Maintainer: Alexander Zhirov
+# Depends on: zlib linux-pam
+
+name=dropbear
+version=2022.83
+release=1
+source=(
+    https://matt.ucc.asn.au/$name/releases/$name-$version.tar.bz2
+    dropbear.rc
+    dropbear.pam
+)
+
+build() {
+    cd $name-$version
+
+    sed '/pam_start/s/sshd/dropbear/' -i svr-authpam.c
+
+    echo '#define SFTPSERVER_PATH "/usr/lib/ssh/sftp-server"' > localoptions.h
+    echo '#define DROPBEAR_SVR_PASSWORD_AUTH 0' >> localoptions.h
+    echo '#define DROPBEAR_SVR_PAM_AUTH 1' >> localoptions.h
+    echo '#define DROPBEAR_PIDFILE "/run/dropbear.pid"' >> localoptions.h
+
+    ./configure --prefix=/usr --enable-pam
+
+    make
+    make DESTDIR=$PKG install
+
+    install -d $PKG/etc/{rc.d,pam.d,dropbear}
+    install -m 755 $SRC/dropbear.rc $PKG/etc/rc.d/dropbear
+    install -m 644 $SRC/dropbear.pam $PKG/etc/pam.d/dropbear
+}

packages/d/dropbear/dropbear.pam

@@ -0,0 +1,14 @@
+#
+# /etc/pam.d/dropbear - dropbear service module configuration
+#
+
+auth       include    common-auth
+
+account    required   pam_nologin.so
+account    include    common-account
+
+password   include    common-password
+
+session    include    common-session
+session    required   pam_limits.so
+

packages/d/dropbear/dropbear.rc

@@ -0,0 +1,50 @@
+#!/bin/sh
+#
+# /etc/rc.d/dropbear: start/stop dropbear ssh daemon
+#
+
+SSD=/sbin/start-stop-daemon
+PROG=/usr/sbin/dropbear
+PID=/run/dropbear.pid
+
+KEYG=/usr/bin/dropbearkey
+
+RSA=/etc/dropbear/dropbear_rsa_host_key
+DSS=/etc/dropbear/dropbear_dss_host_key
+ECDSA=/etc/dropbear/dropbear_ecdsa_host_key
+ED25519=/etc/dropbear/dropbear_ed25519_host_key
+
+create_keys() {
+	[ -f $RSA ]     || $KEYG -t rsa -s 4096 -f $RSA
+	[ -f $DSS ]     || $KEYG -t dss -f $DSS
+	[ -f $ECDSA ]   || $KEYG -t ecdsa -s 521 -f $ECDSA
+	[ -f $ED25519 ] || $KEYG -t ed25519 -f $ED25519
+}
+
+case $1 in
+start)
+	create_keys
+	$SSD --start --pidfile $PID --exec $PROG
+	;;
+stop)
+	$SSD --stop --retry 10 --pidfile $PID
+	;;
+restart)
+	$0 stop
+	$0 start
+	;;
+status)
+	$SSD --status --pidfile $PID
+	case $? in
+	0) echo "$PROG is running with pid $(cat $PID)" ;;
+	1) echo "$PROG is not running but the pid file $PID exists" ;;
+	3) echo "$PROG is not running" ;;
+	4) echo "Unable to determine the program status" ;;
+	esac
+	;;
+*)
+	echo "usage: $0 [start|stop|restart|status]"
+	;;
+esac
+
+# End of file