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|
#!/bin/bash
declare -rg CERT_KEY_FILE="/etc/lighttpd/server.pem"
declare -rg PUB_CERT_FILE="/etc/lighttpd/pub-cert.pem"
declare -rg CHAIN_FILE="/etc/lighttpd/chain.pem"
declare -rg REDIR_FLAG="/etc/lighttpd/redirect.flag"
declare -rg RELOAD_FLAG="/home/taskmanager/acme-reload"
declare -rg ACME_KEY="/home/taskmanager/certs/key.pem"
declare -rg ACME_FULLCHAIN="/home/taskmanager/certs/fullchain.pem"
declare -rg WWW="/srv/openslx/www"
declare -rga acme_common=(
-w "$WWW"
--key-file "$ACME_KEY"
--fullchain-file "$ACME_FULLCHAIN"
--reloadcmd "touch '$RELOAD_FLAG'"
)
declare -a tmpfiles=
trap 'rm -rf -- "${tmpfiles[@]}"' EXIT
is_readable ()
{
[ -r "$1" ] && [ -f "$1" ] && return 0
echo "Not a file, or not readable: $1"
return 1
}
op_disable ()
{
[ -e "$CERT_KEY_FILE" ] || exit 0
rm -f -- "$CERT_KEY_FILE" || exit 1
rm -f -- "$CHAIN_FILE"
}
op_test ()
{
[ $# -eq 2 ] || exit 1
local K=$1
local C=$2
is_readable "$K" || exit 2
is_readable "$C" || exit 3
# Encrypt something, then decrypt again and compare
local TEST_IN=$(mktemp --tmpdir bwlp-XXXXXXXX)
[ -z "$TEST_IN" ] && exit 4
tmpfiles+=( "$TEST_IN" )
date > "$TEST_IN"
# Try to sign something - output doesn't matter, this is only to check if cert and key match
openssl smime -sign -in "$TEST_IN" -out /dev/null -signer "$C" -inkey "$K" || exit 7
exit 0 # No restart either way
}
op_import ()
{
[ $# -lt 2 ] && exit 1
local K=$1
local C=$2
local CHAIN=$3
is_readable "$K" || exit 2
is_readable "$C" || exit 3
rm -f -- "$CHAIN_FILE"
# Create server.pem
{
cat "$C"
# If we have a chainfile, try to use it aswell
if [ -s "$CHAIN" ] && openssl x509 -noout -hash -in "$CHAIN" &> /dev/null \
&& [ "$( grep -c '^-----END' "$CHAIN" )" = "$( grep -c '^-----BEGIN' "$CHAIN" )" ]; then
echo
cat "$CHAIN"
fi
echo
cat "$K"
} > "$CERT_KEY_FILE"
chmod 0600 "$CERT_KEY_FILE" || exit 4
post_setup_hook
return 0
}
op_acme_issue ()
{
[ $# -lt 3 ] && exit 1
local i
local provider="$1"
local mail="$2"
shift 2
declare -a domains=()
set -x
for i; do
domains+=( -d "$i" )
done
rm -f -- "$RELOAD_FLAG"
if [ -n "$ACME_WIPE" ]; then
rm -rf -- /home/taskmanager/.acme.sh/*
rm -rf -- /home/taskmanager/certs/*
touch /home/taskmanager/.acme.sh/account.conf
chown taskmanager:taskmanager /home/taskmanager/.acme.sh/account.conf
else
rm -rf -- /home/taskmanager/.acme.sh/???*.*
rm -rf -- /home/taskmanager/certs/*
fi
mkdir -p "$WWW/.well-known/acme-challenge"
chown taskmanager:taskmanager "$WWW/.well-known/acme-challenge"
chmod 0700 /home/taskmanager/certs
if [ -n "$ACME_KEY_ID" ] && [ -n "$ACME_HMAC_KEY" ]; then
sudo -u taskmanager -n ACCOUNT_EMAIL="$mail" \
/opt/openslx/acme.sh --register-account --server "$provider" --eab-kid "$ACME_KEY_ID" --eab-hmac-key "$ACME_HMAC_KEY"
fi
tmpfiles+=( "$RELOAD_FLAG" )
sudo -u taskmanager -n ACCOUNT_EMAIL="$mail" \
/opt/openslx/acme.sh --server "$provider" --issue "${domains[@]}" "${acme_common[@]}"
i=$?
if [ -e "$RELOAD_FLAG" ]; then
# Renew must have happened
op_import "$ACME_KEY" "$ACME_FULLCHAIN"
return 0
fi
# No reload in other case, exit
exit "$i"
}
op_acme_renew ()
{
mkdir -p "$WWW/.well-known/acme-challenge"
chown taskmanager:taskmanager "$WWW/.well-known/acme-challenge"
rm -f -- "$RELOAD_FLAG"
tmpfiles+=( "$RELOAD_FLAG" )
sudo -u taskmanager -n /opt/openslx/acme.sh --renew --domain "$1" "${acme_common[@]}"
i=$?
(( i == 2 )) && i=0
if (( i != 0 )) || ! [ -e "$ACME_FULLCHAIN" ] || ! [ -e "$ACME_KEY" ] \
|| ! openssl x509 -checkend 600 -in "$ACME_FULLCHAIN"; then
sudo -u taskmanager -n /opt/openslx/acme.sh --renew --force --domain "$1" "${acme_common[@]}"
i=$?
fi
if [ -e "$RELOAD_FLAG" ]; then
# Renew must have happened
op_import "$ACME_KEY" "$ACME_FULLCHAIN"
return 0
fi
# No reload in other case, exit
exit "$i"
}
op_acme_try_enable ()
{
[ -s "$ACME_KEY" ] || exit 1
[ -s "$ACME_FULLCHAIN" ] || exit 2
openssl x509 -checkend 600 -noout -in "$ACME_FULLCHAIN" || exit 3
( op_test "$ACME_KEY" "$ACME_FULLCHAIN" ) || exit 4
op_import "$ACME_KEY" "$ACME_FULLCHAIN"
}
op_random ()
{
[ -z "$1" ] && exit 1
rm -f -- "$CHAIN_FILE"
openssl req -x509 -new -newkey rsa:4096 -keyout "$CERT_KEY_FILE" -out "$CERT_KEY_FILE" -days 5000 -nodes -subj "/C=DE/ST=Nowhere/L=Springfield/O=bwLehrpool/CN=$1" || exit 2
chmod 0600 "$CERT_KEY_FILE" || exit 3
post_setup_hook
return 0
}
post_setup_hook ()
{
rm -f -- "$PUB_CERT_FILE"
openssl x509 -outform pem -in "$CERT_KEY_FILE" -out "$PUB_CERT_FILE"
}
setup_redirect ()
{
if [ -n "$REDIR" ]; then
touch "$REDIR_FLAG"
else
rm -f -- "$REDIR_FLAG"
fi
}
ACME_KEY_ID=
ACME_HMAC_KEY=
ACME_WIPE=
RE_ONLY=
REDIR=
while true; do
case "$1" in
--redirect-only)
RE_ONLY=tru
;;
--redirect)
REDIR=truh
;;
--acme-wipe)
ACME_WIPE=1
;;
--acme-key-id)
ACME_KEY_ID="$2"
shift
;;
--acme-hmac-key)
ACME_HMAC_KEY="$2"
shift
;;
*)
break
;;
esac
shift
done
setup_redirect
if [ -z "$RE_ONLY" ]; then
OP=$1
shift
case "$OP" in
--random) op_random "$@" ;;
--test) op_test "$@" ;;
--import)
tmpfiles+=( "$@" )
op_import "$@"
;;
--disable) op_disable ;;
--acme-issue) op_acme_issue "$@" ;;
--acme-renew) op_acme_renew "$@" ;;
--acme-try-enable) op_acme_try_enable ;;
*)
echo "Invalid operation: $1"
exit 1
;;
esac
fi
(
sleep .5
systemctl restart lighttpd
) &
exit 0
|
