acme.sh/deploy/fritzbox.sh

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#!/usr/bin/env sh
#Here is a script to deploy cert to an AVM FRITZ!Box router.
#returns 0 means success, otherwise error.
#DEPLOY_FRITZBOX_USERNAME="username"
#DEPLOY_FRITZBOX_PASSWORD="password"
#DEPLOY_FRITZBOX_URL="https://fritz.box"
# Kudos to wikrie at Github for his FRITZ!Box update script:
# https://gist.github.com/wikrie/f1d5747a714e0a34d0582981f7cb4cfb
######## Public functions #####################
#domain keyfile certfile cafile fullchain
fritzbox_deploy() {
_cdomain="$1"
_ckey="$2"
_ccert="$3"
_cca="$4"
_cfullchain="$5"
_debug _cdomain "$_cdomain"
_debug _ckey "$_ckey"
_debug _ccert "$_ccert"
_debug _cca "$_cca"
_debug _cfullchain "$_cfullchain"
if ! _exists iconv; then
_err "iconv not found"
return 1
fi
_fritzbox_username="${DEPLOY_FRITZBOX_USERNAME}"
_fritzbox_password="${DEPLOY_FRITZBOX_PASSWORD}"
_fritzbox_url="${DEPLOY_FRITZBOX_URL}"
_debug _fritzbox_url "$_fritzbox_url"
_debug _fritzbox_username "$_fritzbox_username"
_secure_debug _fritzbox_password "$_fritzbox_password"
if [ -z "$_fritzbox_username" ]; then
_err "FRITZ!Box username is not found, please define DEPLOY_FRITZBOX_USERNAME."
return 1
fi
if [ -z "$_fritzbox_password" ]; then
_err "FRITZ!Box password is not found, please define DEPLOY_FRITZBOX_PASSWORD."
return 1
fi
if [ -z "$_fritzbox_url" ]; then
_err "FRITZ!Box url is not found, please define DEPLOY_FRITZBOX_URL."
return 1
fi
_saveaccountconf DEPLOY_FRITZBOX_USERNAME "${_fritzbox_username}"
_saveaccountconf DEPLOY_FRITZBOX_PASSWORD "${_fritzbox_password}"
_saveaccountconf DEPLOY_FRITZBOX_URL "${_fritzbox_url}"
# Do not check for a valid SSL certificate, because initially the cert is not valid, so it could not install the LE generated certificate
export HTTPS_INSECURE=1
_info "Log in to the FRITZ!Box"
_fritzbox_challenge="$(_get "${_fritzbox_url}/login_sid.lua" | sed -e 's/^.*<Challenge>//' -e 's/<\/Challenge>.*$//')"
_fritzbox_hash="$(printf "%s-%s" "${_fritzbox_challenge}" "${_fritzbox_password}" | iconv -f ASCII -t UTF16LE | md5sum | awk '{print $1}')"
_fritzbox_sid="$(_get "${_fritzbox_url}/login_sid.lua?sid=0000000000000000&username=${_fritzbox_username}&response=${_fritzbox_challenge}-${_fritzbox_hash}" | sed -e 's/^.*<SID>//' -e 's/<\/SID>.*$//')"
if [ -z "${_fritzbox_sid}" ] || [ "${_fritzbox_sid}" = "0000000000000000" ]; then
_err "Logging in to the FRITZ!Box failed. Please check username, password and URL."
return 1
fi
_info "Generate form POST request"
_post_request="$(_mktemp)"
_post_boundary="---------------------------$(date +%Y%m%d%H%M%S)"
# _CERTPASSWORD_ is unset because Let's Encrypt certificates don't have a password. But if they ever do, here's the place to use it!
_CERTPASSWORD_=
{
printf -- "--"
printf -- "%s\r\n" "${_post_boundary}"
printf "Content-Disposition: form-data; name=\"sid\"\r\n\r\n%s\r\n" "${_fritzbox_sid}"
printf -- "--"
printf -- "%s\r\n" "${_post_boundary}"
printf "Content-Disposition: form-data; name=\"BoxCertPassword\"\r\n\r\n%s\r\n" "${_CERTPASSWORD_}"
printf -- "--"
printf -- "%s\r\n" "${_post_boundary}"
printf "Content-Disposition: form-data; name=\"BoxCertImportFile\"; filename=\"BoxCert.pem\"\r\n"
printf "Content-Type: application/octet-stream\r\n\r\n"
cat "${_ckey}" "${_cfullchain}"
printf "\r\n"
printf -- "--"
printf -- "%s--" "${_post_boundary}"
} >>"${_post_request}"
_info "Upload certificate to the FRITZ!Box"
export _H1="Content-type: multipart/form-data boundary=${_post_boundary}"
_post "$(cat "${_post_request}")" "${_fritzbox_url}/cgi-bin/firmwarecfg" | grep SSL
retval=$?
if [ $retval = 0 ]; then
_info "Upload successful"
else
_err "Upload failed"
fi
rm "${_post_request}"
return $retval
}