deploy/fritzbox: allow hook to be used with multiple fritzboxes

Previously the deploy hook config was stored in the account config.
This seems odd and adds unnecessary limitations to the hook.
Now we're using the correct _*deployconf() functions to read and
write the deploy hook config.

deploy/fritzbox.sh

@@ -36,43 +36,51 @@ fritzbox_deploy() {
     fi
   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 "$_fritzbox_username" ]; then
+  # Clear traces of incorrectly stored values
+  _clearaccountconf DEPLOY_FRITZBOX_USERNAME
+  _clearaccountconf DEPLOY_FRITZBOX_PASSWORD
+  _clearaccountconf DEPLOY_FRITZBOX_URL
+
+  # Read config from saved values or env
+  _getdeployconf DEPLOY_FRITZBOX_USERNAME
+  _getdeployconf DEPLOY_FRITZBOX_PASSWORD
+  _getdeployconf DEPLOY_FRITZBOX_URL
+
+  _debug DEPLOY_FRITZBOX_URL "$DEPLOY_FRITZBOX_URL"
+  _debug DEPLOY_FRITZBOX_USERNAME "$DEPLOY_FRITZBOX_USERNAME"
+  _secure_debug DEPLOY_FRITZBOX_PASSWORD "$DEPLOY_FRITZBOX_PASSWORD"
+
+  if [ -z "$DEPLOY_FRITZBOX_USERNAME" ]; then
     _err "FRITZ!Box username is not found, please define DEPLOY_FRITZBOX_USERNAME."
     return 1
   fi
-  if [ -z "$_fritzbox_password" ]; then
+  if [ -z "$DEPLOY_FRITZBOX_PASSWORD" ]; then
     _err "FRITZ!Box password is not found, please define DEPLOY_FRITZBOX_PASSWORD."
     return 1
   fi
-  if [ -z "$_fritzbox_url" ]; then
+  if [ -z "$DEPLOY_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 "${_fritzbox_url}"
+  # Save current values
+  _savedeployconf DEPLOY_FRITZBOX_USERNAME "$DEPLOY_FRITZBOX_USERNAME"
+  _savedeployconf DEPLOY_FRITZBOX_PASSWORD "$DEPLOY_FRITZBOX_PASSWORD"
+  _savedeployconf DEPLOY_FRITZBOX_URL "$DEPLOY_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>.*$//')"
+  _fritzbox_challenge="$(_get "${DEPLOY_FRITZBOX_URL}/login_sid.lua" | sed -e 's/^.*<Challenge>//' -e 's/<\/Challenge>.*$//')"
   if _exists iconv; then
-    _fritzbox_hash="$(printf "%s-%s" "${_fritzbox_challenge}" "${_fritzbox_password}" | iconv -f ASCII -t UTF16LE | _digest md5 hex)"
+    _fritzbox_hash="$(printf "%s-%s" "${_fritzbox_challenge}" "${DEPLOY_FRITZBOX_PASSWORD}" | iconv -f ASCII -t UTF16LE | _digest md5 hex)"
   elif _exists uconv; then
-    _fritzbox_hash="$(printf "%s-%s" "${_fritzbox_challenge}" "${_fritzbox_password}" | uconv -f ASCII -t UTF16LE | _digest md5 hex)"
+    _fritzbox_hash="$(printf "%s-%s" "${_fritzbox_challenge}" "${DEPLOY_FRITZBOX_PASSWORD}" | uconv -f ASCII -t UTF16LE | _digest md5 hex)"
   else
-    _fritzbox_hash="$(printf "%s-%s" "${_fritzbox_challenge}" "${_fritzbox_password}" | perl -p -e 'use Encode qw/encode/; print encode("UTF-16LE","$_"); $_="";' | _digest md5 hex)"
+    _fritzbox_hash="$(printf "%s-%s" "${_fritzbox_challenge}" "${DEPLOY_FRITZBOX_PASSWORD}" | perl -p -e 'use Encode qw/encode/; print encode("UTF-16LE","$_"); $_="";' | _digest md5 hex)"
   fi
-  _fritzbox_sid="$(_get "${_fritzbox_url}/login_sid.lua?sid=0000000000000000&username=${_fritzbox_username}&response=${_fritzbox_challenge}-${_fritzbox_hash}" | sed -e 's/^.*<SID>//' -e 's/<\/SID>.*$//')"
+  _fritzbox_sid="$(_get "${DEPLOY_FRITZBOX_URL}/login_sid.lua?sid=0000000000000000&username=${DEPLOY_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."
@@ -104,7 +112,7 @@ fritzbox_deploy() {
   _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
+  _post "$(cat "${_post_request}")" "${DEPLOY_FRITZBOX_URL}/cgi-bin/firmwarecfg" | grep SSL
 
   retval=$?
   if [ $retval = 0 ]; then