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#!/bin/sh
unset ZONE KTAG ALGO DTYPE DIGEST EXPIRES BEGINS
export IFS="="
xml2 | while read -r KEY VAL; do
case "$KEY" in
"/TrustAnchor/Zone") ZONE="$VAL";;
"/TrustAnchor/KeyDigest/KeyTag") KTAG="$VAL";;
"/TrustAnchor/KeyDigest/Algorithm") ALGO="$VAL";;
"/TrustAnchor/KeyDigest/DigestType") DTYPE="$VAL";;
"/TrustAnchor/KeyDigest/@validUntil") EXPIRES="$VAL";;
"/TrustAnchor/KeyDigest/@validFrom") BEGINS="$VAL";;
"/TrustAnchor/KeyDigest/Digest")
DIGEST="$(echo "$VAL" | tr "[:upper:]" "[:lower:]")"
if [ -z "$ZONE" ] || [ -z "$KTAG" ] || [ -z "$ALGO" ] || [ -z "$DTYPE" ]; then
echo "Missing some KeyDigest parameter"
exit 1
fi
if [ -n "$EXPIRES" ] && [ "$(date +%s -d "$EXPIRES")" -lt "$(date +%s)" ]; then
printf 'Digest %s expired on %s\n' "$DIGEST" "$EXPIRES" >&2
elif [ -n "$BEGINS" ] && [ "$(date +%s -d "$BEGINS")" -gt "$(date +%s)" ]; then
printf 'Digest %s will not be valid until %s\n' "$DIGEST" "$BEGINS" >&2
else
printf "%s IN DS %s %s %s %s\n" "$ZONE" "$KTAG" "$ALGO" "$DTYPE" "$DIGEST"
fi
unset KTAG ALGO DTYPE DIGEST EXPIRES BEGINS
;;
esac
done
exit 0
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