446 lines
20 KiB
Bash
446 lines
20 KiB
Bash
#!/bin/bash
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################################################################################
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# ACME.sh 3rd party deploy plugin for Synology DSM
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################################################################################
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# Authors: Brian Hartvigsen (creator), https://github.com/tresni
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# Martin Arndt (contributor), https://troublezone.net/
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# Updated: 2023-07-03
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# Issues: https://github.com/acmesh-official/acme.sh/issues/2727
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################################################################################
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# Usage (shown values are the examples):
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# 1. Set required environment variables:
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# - use automatically created temp admin user to authenticate
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# export SYNO_USE_TEMP_ADMIN=1
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# - or provide your own admin user credential to authenticate
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# 1. export SYNO_USERNAME="adminUser"
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# 2. export SYNO_PASSWORD="adminPassword"
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# 2. Set optional environment variables
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# - common optional variables
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# - export SYNO_SCHEME="http" - defaults to "http"
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# - export SYNO_HOSTNAME="localhost" - defaults to "localhost"
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# - export SYNO_PORT="5000" - defaults to "5000"
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# - export SYNO_CREATE=1 - to allow creating the cert if it doesn't exist
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# - export SYNO_CERTIFICATE="" - to replace a specific cert by its
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# description
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# - temp admin optional variables
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# - export SYNO_LOCAL_HOSTNAME=1 - if set to 1, force to treat hostname is
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# targeting current local machine (since
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# this method only locally supported)
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# - exsiting admin 2FA-OTP optional variables
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# - export SYNO_OTP_CODE="XXXXXX" - if set, script won't require to
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# interactive input the OTP code
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# - export SYNO_DEVICE_NAME="CertRenewal" - if set, script won't require to
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# interactive input the device name
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# - export SYNO_DEVICE_ID="" - (deprecated, auth with OTP code instead)
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# required for omitting 2FA-OTP
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# 3. Run command:
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# acme.sh --deploy --deploy-hook synology_dsm -d example.com
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################################################################################
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# Dependencies:
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# - curl
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# - synouser & synogroup & synosetkeyvalue (Required for SYNO_USE_TEMP_ADMIN=1)
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################################################################################
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# Return value:
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# 0 means success, otherwise error.
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################################################################################
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########## Public functions ####################################################
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#domain keyfile certfile cafile fullchain
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synology_dsm_deploy() {
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_cdomain="$1"
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_ckey="$2"
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_ccert="$3"
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_cca="$4"
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_debug _cdomain "$_cdomain"
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# Get username and password, but don't save until we authenticated successfully
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_migratedeployconf SYNO_Username SYNO_USERNAME
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_migratedeployconf SYNO_Password SYNO_PASSWORD
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_migratedeployconf SYNO_Device_ID SYNO_DEVICE_ID
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_migratedeployconf SYNO_Device_Name SYNO_DEVICE_NAME
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_getdeployconf SYNO_USERNAME
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_getdeployconf SYNO_PASSWORD
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_getdeployconf SYNO_DEVICE_ID
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_getdeployconf SYNO_DEVICE_NAME
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# Prepare to use temp admin if SYNO_USE_TEMP_ADMIN is set
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_getdeployconf SYNO_USE_TEMP_ADMIN
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_check2cleardeployconfexp SYNO_USE_TEMP_ADMIN
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_debug2 SYNO_USE_TEMP_ADMIN "$SYNO_USE_TEMP_ADMIN"
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if [ -n "$SYNO_USE_TEMP_ADMIN" ]; then
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if ! _exists synouser || ! _exists synogroup || ! _exists synosetkeyvalue; then
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_err "Missing required tools to creat temp admin user, please set SYNO_USERNAME and SYNO_PASSWORD instead."
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_err "Notice: temp admin user authorization method only supports local deployment on DSM."
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return 1
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fi
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if synouser --help 2>&1 | grep -q 'Permission denied'; then
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_err "For creating temp admin user, the deploy script must be run as root."
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return 1
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fi
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[ -n "$SYNO_USERNAME" ] || _savedeployconf SYNO_USERNAME ""
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[ -n "$SYNO_PASSWORD" ] || _savedeployconf SYNO_PASSWORD ""
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_debug "Setting temp admin user credential..."
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SYNO_USERNAME=sc-acmesh-tmp
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SYNO_PASSWORD=$(head /dev/urandom | tr -dc A-Za-z0-9 | head -c 16)
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# Set 2FA-OTP settings to empty consider they won't be needed.
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SYNO_DEVICE_ID=
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SYNO_DEVICE_NAME=
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SYNO_OTP_CODE=
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else
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_debug2 SYNO_USERNAME "$SYNO_USERNAME"
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_secure_debug2 SYNO_PASSWORD "$SYNO_PASSWORD"
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_debug2 SYNO_DEVICE_NAME "$SYNO_DEVICE_NAME"
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_secure_debug2 SYNO_DEVICE_ID "$SYNO_DEVICE_ID"
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fi
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if [ -z "$SYNO_USERNAME" ] || [ -z "$SYNO_PASSWORD" ]; then
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_err "You must set either SYNO_USE_TEMP_ADMIN, or set both SYNO_USERNAME and SYNO_PASSWORD."
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return 1
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fi
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# Optional scheme, hostname and port for Synology DSM
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_migratedeployconf SYNO_Scheme SYNO_SCHEME
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_migratedeployconf SYNO_Hostname SYNO_HOSTNAME
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_migratedeployconf SYNO_Port SYNO_PORT
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_getdeployconf SYNO_SCHEME
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_getdeployconf SYNO_HOSTNAME
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_getdeployconf SYNO_PORT
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# Default values for scheme, hostname and port
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# Defaulting to localhost and http, because it's localhost…
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[ -n "$SYNO_SCHEME" ] || SYNO_SCHEME=http
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[ -n "$SYNO_HOSTNAME" ] || SYNO_HOSTNAME=localhost
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[ -n "$SYNO_PORT" ] || SYNO_PORT=5000
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_savedeployconf SYNO_SCHEME "$SYNO_SCHEME"
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_savedeployconf SYNO_HOSTNAME "$SYNO_HOSTNAME"
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_savedeployconf SYNO_PORT "$SYNO_PORT"
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_debug2 SYNO_SCHEME "$SYNO_SCHEME"
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_debug2 SYNO_HOSTNAME "$SYNO_HOSTNAME"
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_debug2 SYNO_PORT "$SYNO_PORT"
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# Get the certificate description, but don't save it until we verify it's real
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_migratedeployconf SYNO_Certificate SYNO_CERTIFICATE "base64"
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_getdeployconf SYNO_CERTIFICATE
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_check2cleardeployconfexp SYNO_CERTIFICATE
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_debug SYNO_CERTIFICATE "${SYNO_CERTIFICATE:-}"
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# shellcheck disable=SC1003 # We are not trying to escape a single quote
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if printf "%s" "$SYNO_CERTIFICATE" | grep '\\'; then
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_err "Do not use a backslash (\) in your certificate description"
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return 1
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fi
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_debug "Getting API version..."
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_base_url="$SYNO_SCHEME://$SYNO_HOSTNAME:$SYNO_PORT"
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_debug _base_url "$_base_url"
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response=$(_get "$_base_url/webapi/query.cgi?api=SYNO.API.Info&version=1&method=query&query=SYNO.API.Auth")
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api_path=$(echo "$response" | grep "SYNO.API.Auth" | sed -n 's/.*"path" *: *"\([^"]*\)".*/\1/p')
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api_version=$(echo "$response" | grep "SYNO.API.Auth" | sed -n 's/.*"maxVersion" *: *\([0-9]*\).*/\1/p')
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_debug3 response "$response"
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_debug3 api_path "$api_path"
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_debug3 api_version "$api_version"
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# Login, get the session ID and SynoToken from JSON
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_info "Logging into $SYNO_HOSTNAME:$SYNO_PORT..."
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encoded_username="$(printf "%s" "$SYNO_USERNAME" | _url_encode)"
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encoded_password="$(printf "%s" "$SYNO_PASSWORD" | _url_encode)"
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# ## START ## - DEPRECATED, for backward compatibility
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_getdeployconf SYNO_TOTP_SECRET
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if [ -n "$SYNO_TOTP_SECRET" ]; then
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_info "WARNING: Usage of SYNO_TOTP_SECRET is deprecated!"
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_info " See synology_dsm.sh script or ACME.sh Wiki page for details:"
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_info " https://github.com/acmesh-official/acme.sh/wiki/Synology-NAS-Guide"
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if ! _exists oathtool; then
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_err "oathtool could not be found, install oathtool to use SYNO_TOTP_SECRET"
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return 1
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fi
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DEPRECATED_otp_code="$(oathtool --base32 --totp "$SYNO_TOTP_SECRET" 2>/dev/null)"
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if [ -z "$SYNO_DEVICE_ID" ]; then
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_getdeployconf SYNO_DID
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[ -n "$SYNO_DID" ] || SYNO_DEVICE_ID="$SYNO_DID"
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fi
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if [ -n "$SYNO_DEVICE_ID" ]; then
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_H1="Cookie: did=$SYNO_DEVICE_ID"
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export _H1
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_debug3 H1 "${_H1}"
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fi
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response=$(_post "method=login&account=$encoded_username&passwd=$encoded_password&api=SYNO.API.Auth&version=$api_version&enable_syno_token=yes&otp_code=$DEPRECATED_otp_code&device_name=certrenewal&device_id=$SYNO_DEVICE_ID" "$_base_url/webapi/$api_path?enable_syno_token=yes")
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_debug3 response "$response"
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# ## END ## - DEPRECATED, for backward compatibility
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# If SYNO_DEVICE_ID or SYNO_OTP_CODE is set, we treat current account enabled 2FA-OTP.
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# Notice that if SYNO_USE_TEMP_ADMIN=1, both variables will be unset
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else
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if [ -n "$SYNO_DEVICE_ID" ] || [ -n "$SYNO_OTP_CODE" ]; then
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response='{"error":{"code":403}}'
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# Assume the current account disabled 2FA-OTP, try to log in right away.
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else
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if [ -n "$SYNO_USE_TEMP_ADMIN" ]; then
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_getdeployconf SYNO_LOCAL_HOSTNAME
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_debug SYNO_LOCAL_HOSTNAME "${SYNO_LOCAL_HOSTNAME:-}"
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if [ "$SYNO_LOCAL_HOSTNAME" != "1" ] && [ "$SYNO_LOCAL_HOSTNAME" == "$SYNO_HOSTNAME" ]; then
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if [ "$SYNO_HOSTNAME" != "localhost" ] && [ "$SYNO_HOSTNAME" != "127.0.0.1" ]; then
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_err "SYNO_USE_TEMP_ADMIN=1 only support local deployment, though if you are sure that the hostname $SYNO_HOSTNAME is targeting to your **current local machine**, execute 'export SYNO_LOCAL_HOSTNAME=1' then rerun."
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return 1
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fi
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fi
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_debug "Creating temp admin user in Synology DSM..."
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if synogroup --help | grep -q '\-\-memberadd '; then
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_temp_admin_create "$SYNO_USERNAME" "$SYNO_PASSWORD"
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synogroup --memberadd administrators "$SYNO_USERNAME" >/dev/null
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elif synogroup --help | grep -q '\-\-member '; then
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# For supporting DSM 6.x which only has `--member` parameter.
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cur_admins=$(synogroup --get administrators | awk -F '[][]' '/Group Members/,0{if(NF>1)printf "%s ", $2}')
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if [ -n "$cur_admins" ]; then
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_temp_admin_create "$SYNO_USERNAME" "$SYNO_PASSWORD"
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_secure_debug3 admin_users "$cur_admins$SYNO_USERNAME"
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# shellcheck disable=SC2086
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synogroup --member administrators $cur_admins $SYNO_USERNAME >/dev/null
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else
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_err "The tool synogroup may be broken, please set SYNO_USERNAME and SYNO_PASSWORD instead."
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return 1
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fi
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else
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_err "Unsupported synogroup tool detected, please set SYNO_USERNAME and SYNO_PASSWORD instead."
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return 1
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fi
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# havig a workaround to temporary disable enforce 2FA-OTP, will restore
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# it soon (after a single request), though if any accident occurs like
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# unexpected interruption, this setting can be easily reverted manually.
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otp_enforce_option=$(synogetkeyvalue /etc/synoinfo.conf otp_enforce_option)
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if [ -n "$otp_enforce_option" ] && [ "${otp_enforce_option:-"none"}" != "none" ]; then
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synosetkeyvalue /etc/synoinfo.conf otp_enforce_option none
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_info "Enforcing 2FA-OTP has been disabled to complete temp admin authentication."
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_info "Notice: it will be restored soon, if not, you can restore it manually via Control Panel."
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_info "previous_otp_enforce_option" "$otp_enforce_option"
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else
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otp_enforce_option=""
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fi
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fi
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response=$(_get "$_base_url/webapi/$api_path?api=SYNO.API.Auth&version=$api_version&method=login&format=sid&account=$encoded_username&passwd=$encoded_password&enable_syno_token=yes")
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if [ -n "$SYNO_USE_TEMP_ADMIN" ] && [ -n "$otp_enforce_option" ]; then
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synosetkeyvalue /etc/synoinfo.conf otp_enforce_option "$otp_enforce_option"
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_info "Restored previous enforce 2FA-OTP option."
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fi
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_debug3 response "$response"
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fi
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fi
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error_code=$(echo "$response" | grep '"error":' | grep -o '"code":[0-9]*' | grep -o '[0-9]*')
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_debug2 error_code "$error_code"
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# Account has 2FA-OTP enabled, since error 403 reported.
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# https://global.download.synology.com/download/Document/Software/DeveloperGuide/Os/DSM/All/enu/DSM_Login_Web_API_Guide_enu.pdf
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if [ "$error_code" == "403" ]; then
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if [ -z "$SYNO_DEVICE_NAME" ]; then
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printf "Enter device name or leave empty for default (CertRenewal): "
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read -r SYNO_DEVICE_NAME
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[ -n "$SYNO_DEVICE_NAME" ] || SYNO_DEVICE_NAME="CertRenewal"
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fi
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if [ -n "$SYNO_DEVICE_ID" ]; then
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# Omit OTP code with SYNO_DEVICE_ID.
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response=$(_get "$_base_url/webapi/$api_path?api=SYNO.API.Auth&version=$api_version&method=login&format=sid&account=$encoded_username&passwd=$encoded_password&enable_syno_token=yes&device_name=$SYNO_DEVICE_NAME&device_id=$SYNO_DEVICE_ID")
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_secure_debug3 response "$response"
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else
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# Require the OTP code if still unset.
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if [ -z "$SYNO_OTP_CODE" ]; then
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printf "Enter OTP code for user '%s': " "$SYNO_USERNAME"
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read -r SYNO_OTP_CODE
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fi
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_secure_debug SYNO_OTP_CODE "${SYNO_OTP_CODE:-}"
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if [ -z "$SYNO_OTP_CODE" ]; then
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response='{"error":{"code":404}}'
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else
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response=$(_get "$_base_url/webapi/$api_path?api=SYNO.API.Auth&version=$api_version&method=login&format=sid&account=$encoded_username&passwd=$encoded_password&enable_syno_token=yes&enable_device_token=yes&device_name=$SYNO_DEVICE_NAME&otp_code=$SYNO_OTP_CODE")
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_secure_debug3 response "$response"
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id_property='device_id'
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[ "${api_version}" -gt '6' ] || id_property='did'
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SYNO_DEVICE_ID=$(echo "$response" | grep "$id_property" | sed -n 's/.*"'$id_property'" *: *"\([^"]*\).*/\1/p')
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_secure_debug2 SYNO_DEVICE_ID "$SYNO_DEVICE_ID"
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fi
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fi
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error_code=$(echo "$response" | grep '"error":' | grep -o '"code":[0-9]*' | grep -o '[0-9]*')
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_debug2 error_code "$error_code"
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fi
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if [ -n "$error_code" ]; then
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if [ "$error_code" == "403" ] && [ -n "$SYNO_DEVICE_ID" ]; then
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_cleardeployconf SYNO_DEVICE_ID
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_err "Failed to authenticate with SYNO_DEVICE_ID (may expired or invalid), please try again in a new terminal window."
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elif [ "$error_code" == "404" ]; then
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_err "Failed to authenticate with provided 2FA-OTP code, please try again in a new terminal window."
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elif [ "$error_code" == "406" ]; then
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if [ -n "$SYNO_USE_TEMP_ADMIN" ]; then
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_err "Failed with unexcepted error, please report this by providing full log with '--debug 3'."
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else
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_err "Enforce auth with 2FA-OTP enabled, please configure the user to enable 2FA-OTP to continue."
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fi
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elif [ "$error_code" == "400" ]; then
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_err "Failed to authenticate, no such account or incorrect password."
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elif [ "$error_code" == "401" ]; then
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_err "Failed to authenticate with a non-existent account."
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elif [ "$error_code" == "408" ] || [ "$error_code" == "409" ] || [ "$error_code" == "410" ]; then
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_err "Failed to authenticate, the account password has expired or must be changed."
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else
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_err "Failed to authenticate with error: $error_code."
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fi
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_temp_admin_cleanup "$SYNO_USE_TEMP_ADMIN" "$SYNO_USERNAME"
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return 1
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fi
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sid=$(echo "$response" | grep "sid" | sed -n 's/.*"sid" *: *"\([^"]*\).*/\1/p')
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token=$(echo "$response" | grep "synotoken" | sed -n 's/.*"synotoken" *: *"\([^"]*\).*/\1/p')
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_debug "Session ID" "$sid"
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_debug SynoToken "$token"
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if [ -z "$sid" ] || [ -z "$token" ]; then
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# Still can't get necessary info even got no errors, may Synology have API updated?
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_err "Unable to authenticate to $_base_url, you may report this by providing full log with '--debug 3'."
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_temp_admin_cleanup "$SYNO_USE_TEMP_ADMIN" "$SYNO_USERNAME"
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return 1
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fi
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_H1="X-SYNO-TOKEN: $token"
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export _H1
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_debug2 H1 "${_H1}"
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# Now that we know the username and password are good, save them if not in temp admin mode.
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if [ -n "$SYNO_USE_TEMP_ADMIN" ]; then
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_cleardeployconf SYNO_USERNAME
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_cleardeployconf SYNO_PASSWORD
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_cleardeployconf SYNO_DEVICE_ID
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_cleardeployconf SYNO_DEVICE_NAME
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_savedeployconf SYNO_USE_TEMP_ADMIN "$SYNO_USE_TEMP_ADMIN"
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_savedeployconf SYNO_LOCAL_HOSTNAME "$SYNO_HOSTNAME"
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else
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_savedeployconf SYNO_USERNAME "$SYNO_USERNAME"
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_savedeployconf SYNO_PASSWORD "$SYNO_PASSWORD"
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_savedeployconf SYNO_DEVICE_ID "$SYNO_DEVICE_ID"
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_savedeployconf SYNO_DEVICE_NAME "$SYNO_DEVICE_NAME"
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fi
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_info "Getting certificates in Synology DSM..."
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response=$(_post "api=SYNO.Core.Certificate.CRT&method=list&version=1&_sid=$sid" "$_base_url/webapi/entry.cgi")
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_debug3 response "$response"
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escaped_certificate="$(printf "%s" "$SYNO_CERTIFICATE" | sed 's/\([].*^$[]\)/\\\1/g;s/"/\\\\"/g')"
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_debug escaped_certificate "$escaped_certificate"
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id=$(echo "$response" | sed -n "s/.*\"desc\":\"$escaped_certificate\",\"id\":\"\([^\"]*\).*/\1/p")
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_debug2 id "$id"
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error_code=$(echo "$response" | grep '"error":' | grep -o '"code":[0-9]*' | grep -o '[0-9]*')
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_debug2 error_code "$error_code"
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if [ -n "$error_code" ]; then
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if [ "$error_code" -eq 105 ]; then
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_err "Current user is not administrator and does not have sufficient permission for deploying."
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else
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_err "Failed to fetch certificate info: $error_code, please try again or contact Synology to learn more."
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fi
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_temp_admin_cleanup "$SYNO_USE_TEMP_ADMIN" "$SYNO_USERNAME"
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return 1
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fi
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_migratedeployconf SYNO_Create SYNO_CREATE
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_getdeployconf SYNO_CREATE
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_debug2 SYNO_CREATE "$SYNO_CREATE"
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if [ -z "$id" ] && [ -z "$SYNO_CREATE" ]; then
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_err "Unable to find certificate: $SYNO_CERTIFICATE and $SYNO_CREATE is not set."
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_temp_admin_cleanup "$SYNO_USE_TEMP_ADMIN" "$SYNO_USERNAME"
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return 1
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fi
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# We've verified this certificate description is a thing, so save it
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_savedeployconf SYNO_CERTIFICATE "$SYNO_CERTIFICATE" "base64"
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_info "Generating form POST request..."
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nl="\0015\0012"
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delim="--------------------------$(_utc_date | tr -d -- '-: ')"
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content="--$delim${nl}Content-Disposition: form-data; name=\"key\"; filename=\"$(basename "$_ckey")\"${nl}Content-Type: application/octet-stream${nl}${nl}$(cat "$_ckey")\0012"
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content="$content${nl}--$delim${nl}Content-Disposition: form-data; name=\"cert\"; filename=\"$(basename "$_ccert")\"${nl}Content-Type: application/octet-stream${nl}${nl}$(cat "$_ccert")\0012"
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content="$content${nl}--$delim${nl}Content-Disposition: form-data; name=\"inter_cert\"; filename=\"$(basename "$_cca")\"${nl}Content-Type: application/octet-stream${nl}${nl}$(cat "$_cca")\0012"
|
|
content="$content${nl}--$delim${nl}Content-Disposition: form-data; name=\"id\"${nl}${nl}$id"
|
|
content="$content${nl}--$delim${nl}Content-Disposition: form-data; name=\"desc\"${nl}${nl}${SYNO_CERTIFICATE}"
|
|
if echo "$response" | sed -n "s/.*\"desc\":\"$escaped_certificate\",\([^{]*\).*/\1/p" | grep -- 'is_default":true' >/dev/null; then
|
|
_debug2 default "This is the default certificate"
|
|
content="$content${nl}--$delim${nl}Content-Disposition: form-data; name=\"as_default\"${nl}${nl}true"
|
|
else
|
|
_debug2 default "This is NOT the default certificate"
|
|
fi
|
|
content="$content${nl}--$delim--${nl}"
|
|
content="$(printf "%b_" "$content")"
|
|
content="${content%_}" # protect trailing \n
|
|
|
|
_info "Upload certificate to the Synology DSM."
|
|
response=$(_post "$content" "$_base_url/webapi/entry.cgi?api=SYNO.Core.Certificate&method=import&version=1&SynoToken=$token&_sid=$sid" "" "POST" "multipart/form-data; boundary=${delim}")
|
|
_debug3 response "$response"
|
|
|
|
if ! echo "$response" | grep '"error":' >/dev/null; then
|
|
if echo "$response" | grep '"restart_httpd":true' >/dev/null; then
|
|
_info "Restart HTTP services succeeded."
|
|
else
|
|
_info "Restart HTTP services failed."
|
|
fi
|
|
_temp_admin_cleanup "$SYNO_USE_TEMP_ADMIN" "$SYNO_USERNAME"
|
|
_logout
|
|
return 0
|
|
else
|
|
_temp_admin_cleanup "$SYNO_USE_TEMP_ADMIN" "$SYNO_USERNAME"
|
|
_err "Unable to update certificate, got error response: $response."
|
|
_logout
|
|
return 1
|
|
fi
|
|
}
|
|
|
|
#################### Private functions below ##################################
|
|
_logout() {
|
|
# Logout CERT user only to not occupy a permanent session, e.g. in DSM's "Connected Users" widget (based on previous variables)
|
|
response=$(_get "$_base_url/webapi/$api_path?api=SYNO.API.Auth&version=$api_version&method=logout&_sid=$sid")
|
|
_debug3 response "$response"
|
|
}
|
|
|
|
_temp_admin_create() {
|
|
_username="$1"
|
|
_password="$2"
|
|
synouser --del "$_username" >/dev/null 2>/dev/null
|
|
synouser --add "$_username" "$_password" "" 0 "scruelt@hotmail.com" 0 >/dev/null
|
|
}
|
|
|
|
_temp_admin_cleanup() {
|
|
_flag=$1
|
|
_username=$2
|
|
|
|
if [ -n "${_flag}" ]; then
|
|
_debug "Cleanuping temp admin info..."
|
|
synouser --del "$_username" >/dev/null
|
|
fi
|
|
}
|
|
|
|
#_cleardeployconf key
|
|
_cleardeployconf() {
|
|
_cleardomainconf "SAVED_$1"
|
|
}
|
|
|
|
# key
|
|
_check2cleardeployconfexp() {
|
|
_key="$1"
|
|
_clear_key="CLEAR_$_key"
|
|
# Clear saved settings if explicitly requested
|
|
if [ -n "$(eval echo \$"$_clear_key")" ]; then
|
|
_debug2 "$_key: value cleared from config, exported value will be ignored."
|
|
_cleardeployconf "$_key"
|
|
eval "$_key"=
|
|
export "$_key"=
|
|
eval SAVED_"$_key"=
|
|
export SAVED_"$_key"=
|
|
fi
|
|
}
|