add htpasswd

htpasswd/Dockerfile

@@ -0,0 +1,15 @@
+FROM progrium/busybox
+
+MAINTAINER Ric Lister, rlister@gmail.com
+
+RUN opkg-install openssl-util
+
+WORKDIR /app
+
+ADD htpasswd.sh /app/
+RUN chmod 0755 htpasswd.sh
+
+ENV CRYPT apr1
+ENV OUTPUT /dev/stdout
+
+ENTRYPOINT [ "/app/htpasswd.sh" ]

htpasswd/htpasswd.sh

@@ -0,0 +1,14 @@
+#!/bin/sh
+
+## make sure output dir exists
+dir=$(dirname $OUTPUT)
+if [ ! -d $dir ] ; then
+  mkdir -p $dir
+fi
+
+## loop user:pass args
+for arg in $* ; do
+  user=$(echo ${arg%%:*})
+  pass=$(echo ${arg##*:})
+  printf "${user}:$(openssl passwd -$CRYPT $pass)\n" >> $OUTPUT
+done