Initial drafts of these useful tools

gen-and-distrib-new-key.sh

@@ -0,0 +1,27 @@
+#!/usr/bin/env bash
+if [ -z $1 ] ; then
+    echo "Need a hostname"
+    exit
+fi
+target=$1
+echo target: ${target}
+targetname=$( (echo $target | sed -e 's/\..*//') )
+echo targetname=${targetname}
+hostname=$( (hostname -s) )
+echo hostname: ${hostname}
+keyname=id_${hostname}-${targetname}
+echo keyname: ${keyname}
+
+echo rm -f ${keyname}
+rm -f ${keyname}
+
+#exit
+
+mkdir -p ~/.ssh/newkeys
+ssh-keygen -t ecdsa -b 521 -V +6w -f ~/.ssh/newkeys/${keyname} -P ""
+
+ssh ${target} "mkdir -p .ssh/incoming; rm -f .ssh/incoming/${keyname}" || exit
+scp ~/.ssh/newkeys/${keyname}.pub ${target}:.ssh/incoming/id_${hostname}.pub || exit
+rm ~/.ssh/newkeys/${keyname}.pub
+ssh ${target} "mkdir -p .ssh/valid; mv .ssh/incoming/id_${hostname}.pub .ssh/valid; cat .ssh/valid/* > .ssh/authorized_keys" || exit
+mv ~/.ssh/newkeys/${keyname} ~/.ssh/${keyname}

invalidate_key.sh

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+
+while [ ! -z $1 ]; do
+    echo "We will delete the key for the system known as \"${1}\":"
+    ls -l ~/.ssh/valid/id_${1}.pub
+    echo "Press enter to continue..."
+    read foobar
+
+    rm -f ~/.ssh/valid/id_${1}.pub
+    cat ~/.ssh/valid/id_*.pub > ~/.ssh/authorized_keys
+
+    shift 1
+done