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Option to pin all tls certificates

This commit is contained in:
Bob Mottram 2016-08-09 09:34:31 +01:00
parent 288e6c5aca
commit 94e5a1ab57
2 changed files with 873 additions and 828 deletions
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57
src/freedombone-pin-cert
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@ -33,10 +33,49 @@ PROJECT_NAME='freedombone'
export TEXTDOMAIN=${PROJECT_NAME}-pin-cert
export TEXTDOMAINDIR="/usr/share/locale"
WEBSITES_DIRECTORY=/etc/nginx/sites-available
function pin_all_certs {
if [ ! -d $WEBSITES_DIRECTORY ]; then
return
fi
cd $WEBSITES_DIRECTORY
for file in `dir -d *` ; do
if grep -q "Public-Key-Pins" $file; then
DOMAIN_NAME=$file
KEY_FILENAME=/etc/ssl/private/${DOMAIN_NAME}.key
if [ -f $KEY_FILENAME ]; then
BACKUP_KEY_FILENAME=/etc/ssl/certs/${DOMAIN_NAME}.pem
if [ -f $BACKUP_KEY_FILENAME ]; then
KEY_HASH=$(openssl rsa -in $KEY_FILENAME -outform der -pubout | openssl dgst -sha256 -binary | openssl enc -base64)
BACKUP_KEY_HASH=$(openssl rsa -in $BACKUP_KEY_FILENAME -outform der -pubout | openssl dgst -sha256 -binary | openssl enc -base64)
if [ ${#BACKUP_KEY_HASH} -gt 5 ]; then
PIN_HEADER="Public-Key-Pins 'pin-sha256=\"${KEY_HASH}\"; pin-sha256=\"${BACKUP_KEY_HASH}\"; max-age=5184000; includeSubDomains';"
sed -i "s|Public-Key-Pins.*|${PIN_HEADER}|g" $file
echo "Pinned $DOMAIN_NAME"
fi
fi
fi
fi
done
}
if [[ $1 == "all" ]]; then
pin_all_certs
systemctl restart nginx
exit 0
fi
DOMAIN_NAME=$1
KEY_FILENAME=/etc/ssl/private/${DOMAIN_NAME}.key
BACKUP_KEY_FILENAME=/etc/ssl/certs/${DOMAIN_NAME}.pem
SITE_FILENAME=/etc/nginx/sites-available/${DOMAIN_NAME}
SITE_FILENAME=$WEBSITES_DIRECTORY/${DOMAIN_NAME}
if [ ! -f "$SITE_FILENAME" ]; then
exit 0
fi
if [ ! -f "$KEY_FILENAME" ]; then
echo $"No private key certificate found for $DOMAIN_NAME"
@ -45,16 +84,22 @@ fi
if [ ! -f "$BACKUP_KEY_FILENAME" ]; then
echo $"No fullchain certificate found for $DOMAIN_NAME"
exit 1
fi
if [ ! -f "$SITE_FILENAME" ]; then
exit 0
exit 2
fi
KEY_HASH=$(openssl rsa -in $KEY_FILENAME -outform der -pubout | openssl dgst -sha256 -binary | openssl enc -base64)
BACKUP_KEY_HASH=$(openssl rsa -in $BACKUP_KEY_FILENAME -outform der -pubout | openssl dgst -sha256 -binary | openssl enc -base64)
if [ ${#KEY_HASH} -lt 5 ]; then
echo 'Pin hash unexpectedly short'
exit 3
fi
if [ ${#BACKUP_KEY_HASH} -lt 5 ]; then
echo 'Backup pin hash unexpectedly short'
exit 4
fi
PIN_HEADER="Public-Key-Pins 'pin-sha256=\"${KEY_HASH}\"; pin-sha256=\"${BACKUP_KEY_HASH}\"; max-age=5184000; includeSubDomains';"
if ! grep -q "Public-Key-Pins" $SITE_FILENAME; then
sed -i "/ssl_ciphers.*/a add_header ${PIN_HEADER}" $SITE_FILENAME