752a571607
ACME needs to wait for MySQL to be ready
292 lines
12 KiB
Bash
Executable File
292 lines
12 KiB
Bash
Executable File
#!/bin/bash
|
|
set -o pipefail
|
|
exec 5>&1
|
|
|
|
ACME_BASE=/var/lib/acme
|
|
SSL_EXAMPLE=/var/lib/ssl-example
|
|
|
|
mkdir -p ${ACME_BASE}/acme/private
|
|
|
|
restart_containers(){
|
|
for container in $*; do
|
|
echo "Restarting ${container}..."
|
|
curl -X POST \
|
|
--unix-socket /var/run/docker.sock \
|
|
"http/containers/${container}/restart"
|
|
done
|
|
}
|
|
|
|
log_f() {
|
|
echo "$(date) - ${1}"
|
|
}
|
|
|
|
verify_hash_match(){
|
|
CERT_HASH=$(openssl x509 -noout -modulus -in "${1}" | openssl md5)
|
|
KEY_HASH=$(openssl rsa -noout -modulus -in "${2}" | openssl md5)
|
|
if [[ ${CERT_HASH} != ${KEY_HASH} ]]; then
|
|
log_f "Certificate and key hashes do not match!"
|
|
return 1
|
|
else
|
|
log_f "Verified hashes."
|
|
return 0
|
|
fi
|
|
}
|
|
|
|
get_ipv4(){
|
|
local IPV4=
|
|
local IPV4_SRCS=
|
|
local TRY=
|
|
IPV4_SRCS[0]="api.ipify.org"
|
|
IPV4_SRCS[1]="ifconfig.co"-
|
|
IPV4_SRCS[2]="icanhazip.com"
|
|
IPV4_SRCS[3]="v4.ident.me"
|
|
IPV4_SRCS[4]="ipecho.net/plain"
|
|
IPV4_SRCS[5]="mailcow.email/ip.php"
|
|
until [[ ! -z ${IPV4} ]] || [[ ${TRY} -ge 100 ]]; do
|
|
IPV4=$(curl --connect-timeout 3 -m 10 -L4s ${IPV4_SRCS[$RANDOM % ${#IPV4_SRCS[@]} ]} | grep -E "^((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$")
|
|
[[ ! -z ${TRY} ]] && sleep 1
|
|
TRY=$((TRY+1))
|
|
done
|
|
echo ${IPV4}
|
|
}
|
|
|
|
[[ ! -f ${ACME_BASE}/dhparams.pem ]] && cp ${SSL_EXAMPLE}/dhparams.pem ${ACME_BASE}/dhparams.pem
|
|
|
|
if [[ -f ${ACME_BASE}/cert.pem ]] && [[ -f ${ACME_BASE}/key.pem ]]; then
|
|
ISSUER=$(openssl x509 -in ${ACME_BASE}/cert.pem -noout -issuer)
|
|
if [[ ${ISSUER} != *"Let's Encrypt"* && ${ISSUER} != *"mailcow"* ]]; then
|
|
log_f "Found certificate with issuer other than mailcow snake-oil CA and Let's Encrypt, skipping ACME client..."
|
|
sleep 3650d
|
|
exec $(readlink -f "$0")
|
|
else
|
|
declare -a SAN_ARRAY_NOW
|
|
SAN_NAMES=$(openssl x509 -noout -text -in ${ACME_BASE}/cert.pem | awk '/X509v3 Subject Alternative Name/ {getline;gsub(/ /, "", $0); print}' | tr -d "DNS:")
|
|
if [[ ! -z ${SAN_NAMES} ]]; then
|
|
IFS=',' read -a SAN_ARRAY_NOW <<< ${SAN_NAMES}
|
|
log_f "Found Let's Encrypt or mailcow snake-oil CA issued certificate with SANs: ${SAN_ARRAY_NOW[*]}"
|
|
fi
|
|
fi
|
|
else
|
|
if [[ -f ${ACME_BASE}/acme/fullchain.pem ]] && [[ -f ${ACME_BASE}/acme/private/privkey.pem ]]; then
|
|
if verify_hash_match ${ACME_BASE}/acme/fullchain.pem ${ACME_BASE}/acme/private/privkey.pem; then
|
|
log_f "Restoring previous acme certificate and restarting script..."
|
|
cp ${ACME_BASE}/acme/fullchain.pem ${ACME_BASE}/cert.pem
|
|
cp ${ACME_BASE}/acme/private/privkey.pem ${ACME_BASE}/key.pem
|
|
# Restarting with env var set to trigger a restart,
|
|
exec env TRIGGER_RESTART=1 $(readlink -f "$0")
|
|
fi
|
|
ISSUER="mailcow"
|
|
else
|
|
log_f "Restoring mailcow snake-oil certificates and restarting script..."
|
|
cp ${SSL_EXAMPLE}/cert.pem ${ACME_BASE}/cert.pem
|
|
cp ${SSL_EXAMPLE}/key.pem ${ACME_BASE}/key.pem
|
|
exec env TRIGGER_RESTART=1 $(readlink -f "$0")
|
|
fi
|
|
fi
|
|
|
|
while ! mysqladmin ping --host mysql -u${DBUSER} -p${DBPASS} --silent; do
|
|
echo "Waiting for database to come up..."
|
|
sleep 2
|
|
done
|
|
|
|
while true; do
|
|
if [[ "${SKIP_LETS_ENCRYPT}" =~ ^([yY][eE][sS]|[yY])+$ ]]; then
|
|
log_f "SKIP_LETS_ENCRYPT=y, skipping Let's Encrypt..."
|
|
sleep 365d
|
|
exec $(readlink -f "$0")
|
|
fi
|
|
if [[ "${SKIP_IP_CHECK}" =~ ^([yY][eE][sS]|[yY])+$ ]]; then
|
|
SKIP_IP_CHECK=y
|
|
fi
|
|
unset SQL_DOMAIN_ARR
|
|
unset VALIDATED_CONFIG_DOMAINS
|
|
unset ADDITIONAL_VALIDATED_SAN
|
|
declare -a SQL_DOMAIN_ARR
|
|
declare -a VALIDATED_CONFIG_DOMAINS
|
|
declare -a ADDITIONAL_VALIDATED_SAN
|
|
IFS=',' read -r -a ADDITIONAL_SAN_ARR <<< "${ADDITIONAL_SAN}"
|
|
IPV4=$(get_ipv4)
|
|
# Container ids may have changed
|
|
CONTAINERS_RESTART=($(curl --silent --unix-socket /var/run/docker.sock http/containers/json | jq -rc 'map(select(.Names[] | contains ("nginx-mailcow") or contains ("postfix-mailcow") or contains ("dovecot-mailcow"))) | .[] .Id' | tr "\n" " "))
|
|
|
|
while read domain; do
|
|
SQL_DOMAIN_ARR+=("${domain}")
|
|
done < <(mysql -h mysql-mailcow -u ${DBUSER} -p${DBPASS} ${DBNAME} -e "SELECT domain FROM domain WHERE backupmx=0" -Bs)
|
|
while read alias_domain; do
|
|
SQL_DOMAIN_ARR+=("${alias_domain}")
|
|
done < <(mysql -h mysql-mailcow -u ${DBUSER} -p${DBPASS} ${DBNAME} -e "SELECT alias_domain FROM alias_domain" -Bs)
|
|
|
|
for SQL_DOMAIN in "${SQL_DOMAIN_ARR[@]}"; do
|
|
A_CONFIG=$(dig A autoconfig.${SQL_DOMAIN} +short | tail -n 1)
|
|
if [[ ! -z ${A_CONFIG} ]]; then
|
|
log_f "Found A record for autoconfig.${SQL_DOMAIN}: ${A_CONFIG}"
|
|
if [[ ${IPV4:-ERR} == ${A_CONFIG} ]] || [[ ${SKIP_IP_CHECK} == "y" ]]; then
|
|
log_f "Confirmed A record autoconfig.${SQL_DOMAIN}"
|
|
VALIDATED_CONFIG_DOMAINS+=("autoconfig.${SQL_DOMAIN}")
|
|
else
|
|
log_f "Cannot match your IP ${IPV4} against hostname autoconfig.${SQL_DOMAIN} (${A_CONFIG})"
|
|
fi
|
|
else
|
|
log_f "No A record for autoconfig.${SQL_DOMAIN} found"
|
|
fi
|
|
|
|
A_DISCOVER=$(dig A autodiscover.${SQL_DOMAIN} +short | tail -n 1)
|
|
if [[ ! -z ${A_DISCOVER} ]]; then
|
|
log_f "Found A record for autodiscover.${SQL_DOMAIN}: ${A_DISCOVER}"
|
|
if [[ ${IPV4:-ERR} == ${A_DISCOVER} ]] || [[ ${SKIP_IP_CHECK} == "y" ]]; then
|
|
log_f "Confirmed A record autodiscover.${SQL_DOMAIN}"
|
|
VALIDATED_CONFIG_DOMAINS+=("autodiscover.${SQL_DOMAIN}")
|
|
else
|
|
log_f "Cannot match your IP ${IPV4} against hostname autodiscover.${SQL_DOMAIN} (${A_DISCOVER})"
|
|
fi
|
|
else
|
|
log_f "No A record for autodiscover.${SQL_DOMAIN} found"
|
|
fi
|
|
done
|
|
|
|
A_MAILCOW_HOSTNAME=$(dig A ${MAILCOW_HOSTNAME} +short | tail -n 1)
|
|
if [[ ! -z ${A_MAILCOW_HOSTNAME} ]]; then
|
|
log_f "Found A record for ${MAILCOW_HOSTNAME}: ${A_MAILCOW_HOSTNAME}"
|
|
if [[ ${IPV4:-ERR} == ${A_MAILCOW_HOSTNAME} ]] || [[ ${SKIP_IP_CHECK} == "y" ]]; then
|
|
log_f "Confirmed A record ${MAILCOW_HOSTNAME}"
|
|
VALIDATED_MAILCOW_HOSTNAME=${MAILCOW_HOSTNAME}
|
|
else
|
|
log_f "Cannot match your IP ${IPV4} against hostname ${MAILCOW_HOSTNAME} (${A_MAILCOW_HOSTNAME}) "
|
|
fi
|
|
else
|
|
log_f "No A record for ${MAILCOW_HOSTNAME} found"
|
|
fi
|
|
|
|
for SAN in "${ADDITIONAL_SAN_ARR[@]}"; do
|
|
if [[ ${SAN} == ${MAILCOW_HOSTNAME} ]]; then
|
|
continue
|
|
fi
|
|
A_SAN=$(dig A ${SAN} +short | tail -n 1)
|
|
if [[ ! -z ${A_SAN} ]]; then
|
|
log_f "Found A record for ${SAN}: ${A_SAN}"
|
|
if [[ ${IPV4:-ERR} == ${A_SAN} ]] || [[ ${SKIP_IP_CHECK} == "y" ]]; then
|
|
log_f "Confirmed A record ${SAN}"
|
|
ADDITIONAL_VALIDATED_SAN+=("${SAN}")
|
|
else
|
|
log_f "Cannot match your IP against hostname ${SAN}"
|
|
fi
|
|
else
|
|
log_f "No A record for ${SAN} found"
|
|
fi
|
|
done
|
|
|
|
# Unique elements
|
|
ALL_VALIDATED=(${VALIDATED_MAILCOW_HOSTNAME} $(echo ${VALIDATED_CONFIG_DOMAINS[*]} ${ADDITIONAL_VALIDATED_SAN[*]} | xargs -n1 | sort -u | xargs))
|
|
if [[ -z ${ALL_VALIDATED[*]} ]]; then
|
|
log_f "Cannot validate hostnames, skipping Let's Encrypt for 1 hour."
|
|
log_f "Use SKIP_LETS_ENCRYPT=y in mailcow.conf to skip it permanently."
|
|
sleep 1h
|
|
exec $(readlink -f "$0")
|
|
fi
|
|
|
|
ORPHANED_SAN=($(echo ${SAN_ARRAY_NOW[*]} ${ALL_VALIDATED[*]} | tr ' ' '\n' | sort | uniq -u ))
|
|
if [[ ! -z ${ORPHANED_SAN[*]} ]] && [[ ${ISSUER} != *"mailcow"* ]]; then
|
|
DATE=$(date +%Y-%m-%d_%H_%M_%S)
|
|
log_f "Found orphaned SAN ${ORPHANED_SAN[*]} in certificate, moving old files to ${ACME_BASE}/acme/private/${DATE}.bak/, keeping key file..."
|
|
mkdir -p ${ACME_BASE}/acme/private/${DATE}.bak/
|
|
[[ -f ${ACME_BASE}/acme/private/account.key ]] && mv ${ACME_BASE}/acme/private/account.key ${ACME_BASE}/acme/private/${DATE}.bak/
|
|
[[ -f ${ACME_BASE}/acme/fullchain.pem ]] && mv ${ACME_BASE}/acme/fullchain.pem ${ACME_BASE}/acme/private/${DATE}.bak/
|
|
[[ -f ${ACME_BASE}/acme/cert.pem ]] && mv ${ACME_BASE}/acme/cert.pem ${ACME_BASE}/acme/private/${DATE}.bak/
|
|
cp ${ACME_BASE}/acme/private/privkey.pem ${ACME_BASE}/acme/private/${DATE}.bak/ # Keep key for TLSA 3 1 1 records
|
|
fi
|
|
|
|
ACME_RESPONSE=$(acme-client \
|
|
-v -e -b -N -n \
|
|
-f ${ACME_BASE}/acme/private/account.key \
|
|
-k ${ACME_BASE}/acme/private/privkey.pem \
|
|
-c ${ACME_BASE}/acme \
|
|
${ALL_VALIDATED[*]} 2>&1 | tee /dev/fd/5)
|
|
|
|
case "$?" in
|
|
0) # new certs
|
|
# cp the new certificates and keys
|
|
cp ${ACME_BASE}/acme/fullchain.pem ${ACME_BASE}/cert.pem
|
|
cp ${ACME_BASE}/acme/private/privkey.pem ${ACME_BASE}/key.pem
|
|
|
|
# restart docker containers
|
|
if ! verify_hash_match ${ACME_BASE}/cert.pem ${ACME_BASE}/key.pem; then
|
|
log_f "Certificate was successfully requested, but key and certificate have non-matching hashes, restoring mailcow snake-oil and restarting containers..."
|
|
cp ${SSL_EXAMPLE}/cert.pem ${ACME_BASE}/cert.pem
|
|
cp ${SSL_EXAMPLE}/key.pem ${ACME_BASE}/key.pem
|
|
fi
|
|
restart_containers ${CONTAINERS_RESTART[*]}
|
|
;;
|
|
1) # failure
|
|
if [[ $ACME_RESPONSE =~ "No registration exists" ]]; then
|
|
log_f "Registration keys are invalid, deleting old keys and restarting..."
|
|
rm ${ACME_BASE}/acme/private/account.key
|
|
rm ${ACME_BASE}/acme/private/privkey.pem
|
|
exec $(readlink -f "$0")
|
|
fi
|
|
if [[ -f ${ACME_BASE}/acme/private/${DATE}.bak/fullchain.pem ]] && [[ -f ${ACME_BASE}/acme/private/${DATE}.bak/privkey.pem ]]; then
|
|
log_f "Error requesting certificate, restoring previous certificate from backup and restarting containers...."
|
|
cp ${ACME_BASE}/acme/private/${DATE}.bak/fullchain.pem ${ACME_BASE}/cert.pem
|
|
cp ${ACME_BASE}/acme/private/${DATE}.bak/privkey.pem ${ACME_BASE}/key.pem
|
|
TRIGGER_RESTART=1
|
|
elif [[ -f ${ACME_BASE}/acme/fullchain.pem ]] && [[ -f ${ACME_BASE}/acme/private/privkey.pem ]]; then
|
|
log_f "Error requesting certificate, restoring from previous acme request and restarting containers..."
|
|
cp ${ACME_BASE}/acme/fullchain.pem ${ACME_BASE}/cert.pem
|
|
cp ${ACME_BASE}/acme/private/privkey.pem ${ACME_BASE}/key.pem
|
|
TRIGGER_RESTART=1
|
|
fi
|
|
if ! verify_hash_match ${ACME_BASE}/cert.pem ${ACME_BASE}/key.pem; then
|
|
log_f "Error verifying certificates, restoring mailcow snake-oil and restarting containers..."
|
|
cp ${SSL_EXAMPLE}/cert.pem ${ACME_BASE}/cert.pem
|
|
cp ${SSL_EXAMPLE}/key.pem ${ACME_BASE}/key.pem
|
|
TRIGGER_RESTART=1
|
|
fi
|
|
[[ ${TRIGGER_RESTART} == 1 ]] && restart_containers ${CONTAINERS_RESTART[*]}
|
|
log_f "Retrying in 30 minutes..."
|
|
sleep 30m
|
|
exec $(readlink -f "$0")
|
|
;;
|
|
2) # no change
|
|
if ! diff ${ACME_BASE}/acme/fullchain.pem ${ACME_BASE}/cert.pem; then
|
|
log_f "Certificate was not changed, but active certificate does not match the verified certificate, fixing and restarting containers..."
|
|
cp ${ACME_BASE}/acme/fullchain.pem ${ACME_BASE}/cert.pem
|
|
cp ${ACME_BASE}/acme/private/privkey.pem ${ACME_BASE}/key.pem
|
|
TRIGGER_RESTART=1
|
|
fi
|
|
if ! verify_hash_match ${ACME_BASE}/cert.pem ${ACME_BASE}/key.pem; then
|
|
log_f "Certificate was not changed, but hashes do not match, restoring from previous acme request and restarting containers..."
|
|
cp ${ACME_BASE}/acme/fullchain.pem ${ACME_BASE}/cert.pem
|
|
cp ${ACME_BASE}/acme/private/privkey.pem ${ACME_BASE}/key.pem
|
|
TRIGGER_RESTART=1
|
|
fi
|
|
[[ ${TRIGGER_RESTART} == 1 ]] && restart_containers ${CONTAINERS_RESTART[*]}
|
|
;;
|
|
*) # unspecified
|
|
if [[ -f ${ACME_BASE}/acme/private/${DATE}.bak/fullchain.pem ]] && [[ -f ${ACME_BASE}/acme/private/${DATE}.bak/privkey.pem ]]; then
|
|
log_f "Error requesting certificate, restoring previous certificate from backup and restarting containers...."
|
|
cp ${ACME_BASE}/acme/private/${DATE}.bak/fullchain.pem ${ACME_BASE}/cert.pem
|
|
cp ${ACME_BASE}/acme/private/${DATE}.bak/privkey.pem ${ACME_BASE}/key.pem
|
|
TRIGGER_RESTART=1
|
|
elif [[ -f ${ACME_BASE}/acme/fullchain.pem ]] && [[ -f ${ACME_BASE}/acme/private/privkey.pem ]]; then
|
|
log_f "Error requesting certificate, restoring from previous acme request and restarting containers..."
|
|
cp ${ACME_BASE}/acme/fullchain.pem ${ACME_BASE}/cert.pem
|
|
cp ${ACME_BASE}/acme/private/privkey.pem ${ACME_BASE}/key.pem
|
|
TRIGGER_RESTART=1
|
|
fi
|
|
if ! verify_hash_match ${ACME_BASE}/cert.pem ${ACME_BASE}/key.pem; then
|
|
log_f "Error verifying certificates, restoring mailcow snake-oil..."
|
|
cp ${SSL_EXAMPLE}/cert.pem ${ACME_BASE}/cert.pem
|
|
cp ${SSL_EXAMPLE}/key.pem ${ACME_BASE}/key.pem
|
|
TRIGGER_RESTART=1
|
|
fi
|
|
[[ ${TRIGGER_RESTART} == 1 ]] && restart_containers ${CONTAINERS_RESTART[*]}
|
|
log_f "Retrying in 30 minutes..."
|
|
sleep 30m
|
|
exec $(readlink -f "$0")
|
|
;;
|
|
esac
|
|
|
|
log_f "ACME certificate validation done. Sleeping for another day."
|
|
sleep 1d
|
|
|
|
done
|