docker-mailserver/target/scripts/helpers/dhparams.sh
2023-02-26 11:42:14 +01:00

21 lines
707 B
Bash

#!/bin/bash
function _setup_dhparam
{
local DH_SERVICE=$1
local DH_DEST=$2
local DH_CUSTOM='/tmp/docker-mailserver/dhparams.pem'
_log 'debug' "Setting up ${DH_SERVICE} dhparam"
if [[ -f ${DH_CUSTOM} ]]
then # use custom supplied dh params (assumes they're probably insecure)
_log 'trace' "${DH_SERVICE} will use custom provided DH paramters"
_log 'warn' "Using self-generated dhparams is considered insecure - unless you know what you are doing, please remove '${DH_CUSTOM}'"
cp -f "${DH_CUSTOM}" "${DH_DEST}"
else # use official standardized dh params (provided via Dockerfile)
_log 'trace' "${DH_SERVICE} will use official standardized DH parameters (ffdhe4096)."
fi
}