[SSL] create individual domain certificates, add SNI configs for Postfix/Dovecot/Nginx
This commit is contained in:
Marcel Hofer
parent
a95a3f6145
commit
2e35da6816
20
.editorconfig
Normal file
20
.editorconfig
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@ -0,0 +1,20 @@
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# EditorConfig helps developers define and maintain consistent
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# coding styles between different editors and IDEs
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# editorconfig.org
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root = true
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[*]
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# Change these settings to your own preference
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indent_style = space
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indent_size = 2
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# We recommend you to keep these unchanged
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end_of_line = lf
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charset = utf-8
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trim_trailing_whitespace = true
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insert_final_newline = true
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[*.md]
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trim_trailing_whitespace = false
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5
.gitignore
vendored
5
.gitignore
vendored
@ -6,6 +6,8 @@ data/conf/dovecot/dovecot-master.userdb
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mailcow.conf
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mailcow.conf_backup
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data/conf/nginx/*.active
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data/conf/postfix/sni.map
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data/conf/postfix/sni.map.db
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data/conf/postfix/extra.cf
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data/conf/postfix/sql
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data/conf/postfix/allow_mailcow_local.regexp
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@ -14,6 +16,8 @@ data/conf/nextcloud-*.bak
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data/web/inc/vars.local.inc.php
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data/assets/ssl/*
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.vscode/*
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.idea
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*.iml
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data/web/.well-known/acme-challenge
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data/web/nextcloud*/
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data/conf/rspamd/local.d/*
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@ -26,6 +30,7 @@ data/conf/nginx/*.custom
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data/conf/nginx/*.bak
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data/conf/dovecot/acl_anyone
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data/conf/dovecot/mail_plugins*
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data/conf/dovecot/sni.conf
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data/conf/dovecot/sogo-sso.conf
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data/conf/dovecot/extra.conf
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data/conf/dovecot/shared_namespace.conf
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@ -18,6 +18,11 @@ RUN apk upgrade --no-cache \
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&& python3 -m pip install acme-tiny
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COPY acme.sh /srv/acme.sh
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COPY functions.sh /srv/functions.sh
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COPY obtain-certificate.sh /srv/obtain-certificate.sh
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COPY reload-configurations.sh /srv/reload-configurations.sh
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COPY expand6.sh /srv/expand6.sh
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RUN chmod +x /srv/*.sh
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CMD ["/sbin/tini", "-g", "--", "/srv/acme.sh"]
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@ -2,6 +2,7 @@
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set -o pipefail
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exec 5>&1
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source /srv/functions.sh
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# Thanks to https://github.com/cvmiller -> https://github.com/cvmiller/expand6
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source /srv/expand6.sh
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@ -15,26 +16,15 @@ if [[ "${SKIP_HTTP_VERIFICATION}" =~ ^([yY][eE][sS]|[yY])+$ ]]; then
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SKIP_HTTP_VERIFICATION=y
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fi
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# Request certificate for MAILCOW_HOSTNAME ony
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# Request certificate for MAILCOW_HOSTNAME only
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if [[ "${ONLY_MAILCOW_HOSTNAME}" =~ ^([yY][eE][sS]|[yY])+$ ]]; then
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ONLY_MAILCOW_HOSTNAME=y
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fi
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log_f() {
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if [[ ${2} == "no_nl" ]]; then
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echo -n "$(date) - ${1}"
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elif [[ ${2} == "no_date" ]]; then
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echo "${1}"
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elif [[ ${2} != "redis_only" ]]; then
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echo "$(date) - ${1}"
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fi
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if [[ ${3} == "b64" ]]; then
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redis-cli -h redis LPUSH ACME_LOG "{\"time\":\"$(date +%s)\",\"message\":\"base64,$(printf '%s' "${1}")\"}" > /dev/null
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else
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redis-cli -h redis LPUSH ACME_LOG "{\"time\":\"$(date +%s)\",\"message\":\"$(printf '%s' "${1}" | \
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tr '%&;$"[]{}-\r\n' ' ')\"}" > /dev/null
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fi
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}
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# Request individual certificate for every domain
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if [[ "${ENABLE_SSL_SNI}" =~ ^([yY][eE][sS]|[yY])+$ ]]; then
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ENABLE_SSL_SNI=y
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fi
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if [[ "${SKIP_LETS_ENCRYPT}" =~ ^([yY][eE][sS]|[yY])+$ ]]; then
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log_f "SKIP_LETS_ENCRYPT=y, skipping Let's Encrypt..."
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@ -56,97 +46,21 @@ mkdir -p ${ACME_BASE}/acme
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# Migrate
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[[ -f ${ACME_BASE}/acme/private/privkey.pem ]] && mv ${ACME_BASE}/acme/private/privkey.pem ${ACME_BASE}/acme/key.pem
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[[ -f ${ACME_BASE}/acme/private/account.key ]] && mv ${ACME_BASE}/acme/private/account.key ${ACME_BASE}/acme/account.pem
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reload_configurations(){
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# Reading container IDs
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# Wrapping as array to ensure trimmed content when calling $NGINX etc.
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local NGINX=($(curl --silent --insecure https://dockerapi/containers/json | jq -r '.[] | {name: .Config.Labels["com.docker.compose.service"], id: .Id}' | jq -rc 'select( .name | tostring | contains("nginx-mailcow")) | .id' | tr "\n" " "))
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local DOVECOT=($(curl --silent --insecure https://dockerapi/containers/json | jq -r '.[] | {name: .Config.Labels["com.docker.compose.service"], id: .Id}' | jq -rc 'select( .name | tostring | contains("dovecot-mailcow")) | .id' | tr "\n" " "))
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local POSTFIX=($(curl --silent --insecure https://dockerapi/containers/json | jq -r '.[] | {name: .Config.Labels["com.docker.compose.service"], id: .Id}' | jq -rc 'select( .name | tostring | contains("postfix-mailcow")) | .id' | tr "\n" " "))
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# Reloading
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echo "Reloading Nginx..."
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NGINX_RELOAD_RET=$(curl -X POST --insecure https://dockerapi/containers/${NGINX}/exec -d '{"cmd":"reload", "task":"nginx"}' --silent -H 'Content-type: application/json' | jq -r .type)
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[[ ${NGINX_RELOAD_RET} != 'success' ]] && { echo "Could not reload Nginx, restarting container..."; restart_container ${NGINX} ; }
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echo "Reloading Dovecot..."
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DOVECOT_RELOAD_RET=$(curl -X POST --insecure https://dockerapi/containers/${DOVECOT}/exec -d '{"cmd":"reload", "task":"dovecot"}' --silent -H 'Content-type: application/json' | jq -r .type)
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[[ ${DOVECOT_RELOAD_RET} != 'success' ]] && { echo "Could not reload Dovecot, restarting container..."; restart_container ${DOVECOT} ; }
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echo "Reloading Postfix..."
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POSTFIX_RELOAD_RET=$(curl -X POST --insecure https://dockerapi/containers/${POSTFIX}/exec -d '{"cmd":"reload", "task":"postfix"}' --silent -H 'Content-type: application/json' | jq -r .type)
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[[ ${POSTFIX_RELOAD_RET} != 'success' ]] && { echo "Could not reload Postfix, restarting container..."; restart_container ${POSTFIX} ; }
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}
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restart_container(){
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for container in $*; do
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log_f "Restarting ${container}..." no_nl
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C_REST_OUT=$(curl -X POST --insecure https://dockerapi/containers/${container}/restart | jq -r '.msg')
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log_f "${C_REST_OUT}" no_date
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done
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}
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array_diff() {
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# https://stackoverflow.com/questions/2312762, Alex Offshore
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eval local ARR1=\(\"\${$2[@]}\"\)
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eval local ARR2=\(\"\${$3[@]}\"\)
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local IFS=$'\n'
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mapfile -t $1 < <(comm -23 <(echo "${ARR1[*]}" | sort) <(echo "${ARR2[*]}" | sort))
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}
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verify_hash_match(){
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CERT_HASH=$(openssl x509 -noout -modulus -in "${1}" | openssl md5)
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KEY_HASH=$(openssl rsa -noout -modulus -in "${2}" | openssl md5)
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if [[ ${CERT_HASH} != ${KEY_HASH} ]]; then
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log_f "Certificate and key hashes do not match!"
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return 1
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else
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log_f "Verified hashes."
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return 0
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if [[ -f ${ACME_BASE}/acme/key.pem && -f ${ACME_BASE}/acme/cert.pem ]]; then
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if verify_hash_match ${ACME_BASE}/acme/cert.pem ${ACME_BASE}/acme/key.pem; then
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log_f "Migrating to SNI folder structure..." no_nl
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CERT_DOMAIN=($(openssl x509 -noout -text -in ${ACME_BASE}/acme/cert.pem | grep "Subject:" | sed -e 's/\(Subject:\)\|\(CN = \)\|\(CN=\)//g' | sed -e 's/^[[:space:]]*//'))
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CERT_DOMAINS=(${CERT_DOMAIN} $(openssl x509 -noout -text -in ${ACME_BASE}/acme/cert.pem | grep "DNS:" | sed -e 's/\(DNS:\)\|,//g' | sed "s/${CERT_DOMAIN}//" | sed -e 's/^[[:space:]]*//'))
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mkdir -p ${ACME_BASE}/${CERT_DOMAIN}
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mv ${ACME_BASE}/acme/cert.pem ${ACME_BASE}/${CERT_DOMAIN}/cert.pem
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# key is only copied, not moved, because it is used by all other requests too
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cp ${ACME_BASE}/acme/key.pem ${ACME_BASE}/${CERT_DOMAIN}/key.pem
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chmod 600 ${ACME_BASE}/${CERT_DOMAIN}/key.pem
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echo -n ${CERT_DOMAINS[*]} > ${ACME_BASE}/${CERT_DOMAIN}/domains
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mv ${ACME_BASE}/acme/acme.csr ${ACME_BASE}/${CERT_DOMAIN}/acme.csr
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log_f "OK" no_date
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fi
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}
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get_ipv4(){
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local IPV4=
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local IPV4_SRCS=
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local TRY=
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IPV4_SRCS[0]="ip4.mailcow.email"
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IPV4_SRCS[1]="ip4.korves.net"
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until [[ ! -z ${IPV4} ]] || [[ ${TRY} -ge 10 ]]; do
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IPV4=$(curl --connect-timeout 3 -m 10 -L4s ${IPV4_SRCS[$RANDOM % ${#IPV4_SRCS[@]} ]} | grep -E "^((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$")
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[[ ! -z ${TRY} ]] && sleep 1
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TRY=$((TRY+1))
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done
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echo ${IPV4}
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}
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get_ipv6(){
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local IPV6=
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local IPV6_SRCS=
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local TRY=
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IPV6_SRCS[0]="ip6.korves.net"
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IPV6_SRCS[1]="ip6.mailcow.email"
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until [[ ! -z ${IPV6} ]] || [[ ${TRY} -ge 10 ]]; do
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IPV6=$(curl --connect-timeout 3 -m 10 -L6s ${IPV6_SRCS[$RANDOM % ${#IPV6_SRCS[@]} ]} | grep "^\([0-9a-fA-F]\{0,4\}:\)\{1,7\}[0-9a-fA-F]\{0,4\}$")
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[[ ! -z ${TRY} ]] && sleep 1
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TRY=$((TRY+1))
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done
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echo ${IPV6}
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}
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verify_challenge_path(){
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if [[ ${SKIP_HTTP_VERIFICATION} == "y" ]]; then
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echo '(skipping check, returning 0)'
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return 0
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fi
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# verify_challenge_path URL 4|6
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RANDOM_N=${RANDOM}${RANDOM}${RANDOM}
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echo ${RANDOM_N} > /var/www/acme/${RANDOM_N}
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if [[ "$(curl --insecure -${2} -L http://${1}/.well-known/acme-challenge/${RANDOM_N} --silent)" == "${RANDOM_N}" ]]; then
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rm /var/www/acme/${RANDOM_N}
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return 0
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else
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rm /var/www/acme/${RANDOM_N}
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return 1
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fi
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}
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fi
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[[ ! -f ${ACME_BASE}/dhparams.pem ]] && cp ${SSL_EXAMPLE}/dhparams.pem ${ACME_BASE}/dhparams.pem
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@ -158,15 +72,12 @@ if [[ -f ${ACME_BASE}/cert.pem ]] && [[ -f ${ACME_BASE}/key.pem ]] && [[ $(stat
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exec $(readlink -f "$0")
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fi
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else
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if [[ -f ${ACME_BASE}/acme/cert.pem ]] && [[ -f ${ACME_BASE}/acme/key.pem ]]; then
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if verify_hash_match ${ACME_BASE}/acme/cert.pem ${ACME_BASE}/acme/key.pem; then
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log_f "Restoring previous acme certificate and restarting script..."
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cp ${ACME_BASE}/acme/cert.pem ${ACME_BASE}/cert.pem
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cp ${ACME_BASE}/acme/key.pem ${ACME_BASE}/key.pem
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# Restarting with env var set to trigger a restart,
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exec env TRIGGER_RESTART=1 $(readlink -f "$0")
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fi
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ISSUER="mailcow"
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if [[ -f ${ACME_BASE}/${MAILCOW_HOSTNAME}/cert.pem ]] && [[ -f ${ACME_BASE}/${MAILCOW_HOSTNAME}/key.pem ]] && verify_hash_match ${ACME_BASE}/${MAILCOW_HOSTNAME}/cert.pem ${ACME_BASE}/${MAILCOW_HOSTNAME}/key.pem; then
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log_f "Restoring previous acme certificate and restarting script..."
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cp ${ACME_BASE}/${MAILCOW_HOSTNAME}/cert.pem ${ACME_BASE}/cert.pem
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cp ${ACME_BASE}/${MAILCOW_HOSTNAME}/key.pem ${ACME_BASE}/key.pem
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# Restarting with env var set to trigger a restart,
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exec env TRIGGER_RESTART=1 $(readlink -f "$0")
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else
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log_f "Restoring mailcow snake-oil certificates and restarting script..."
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cp ${SSL_EXAMPLE}/cert.pem ${ACME_BASE}/cert.pem
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@ -174,6 +85,7 @@ else
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exec env TRIGGER_RESTART=1 $(readlink -f "$0")
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fi
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fi
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chmod 600 ${ACME_BASE}/key.pem
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log_f "Waiting for database... " no_nl
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@ -203,10 +115,10 @@ while true; do
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# Re-using previous acme-mailcow account and domain keys
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if [[ ! -f ${ACME_BASE}/acme/key.pem ]]; then
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log_f "Generating missing domain private key..."
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log_f "Generating missing domain private rsa key..."
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openssl genrsa 4096 > ${ACME_BASE}/acme/key.pem
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else
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log_f "Using existing domain key ${ACME_BASE}/acme/key.pem"
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log_f "Using existing domain rsa key ${ACME_BASE}/acme/key.pem"
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fi
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if [[ ! -f ${ACME_BASE}/acme/account.pem ]]; then
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log_f "Generating missing Lets Encrypt account key..."
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@ -218,25 +130,34 @@ while true; do
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chmod 600 ${ACME_BASE}/acme/key.pem
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chmod 600 ${ACME_BASE}/acme/account.pem
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unset EXISTING_CERTS
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declare -a EXISTING_CERTS
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for cert_dir in ${ACME_BASE}/*/ ; do
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if [[ ! -f ${cert_dir}domains ]] || [[ ! -f ${cert_dir}cert.pem ]] || [[ ! -f ${cert_dir}key.pem ]]; then
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continue
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fi
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EXISTING_CERTS+=("$(basename ${cert_dir})")
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done
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# Cleaning up and init validation arrays
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unset SQL_DOMAIN_ARR
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unset VALIDATED_CONFIG_DOMAINS
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unset ADDITIONAL_VALIDATED_SAN
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unset ADDITIONAL_WC_ARR
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unset ADDITIONAL_SAN_ARR
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unset SAN_CHANGE
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unset SAN_ARRAY_NOW
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unset ORPHANED_SAN
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unset ADDED_SAN
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SAN_CHANGE=0
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declare -a SAN_ARRAY_NOW
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declare -a ORPHANED_SAN
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declare -a ADDED_SAN
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unset CERT_ERRORS
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unset CERT_CHANGED
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unset CERT_AMOUNT_CHANGED
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unset VALIDATED_CERTIFICATES
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CERT_ERRORS=0
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CERT_CHANGED=0
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CERT_AMOUNT_CHANGED=0
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declare -a SQL_DOMAIN_ARR
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declare -a VALIDATED_CONFIG_DOMAINS
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declare -a ADDITIONAL_VALIDATED_SAN
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declare -a ADDITIONAL_WC_ARR
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declare -a ADDITIONAL_SAN_ARR
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declare -a VALIDATED_CERTIFICATES
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IFS=',' read -r -a TMP_ARR <<< "${ADDITIONAL_SAN}"
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for i in "${TMP_ARR[@]}" ; do
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if [[ "$i" =~ \.\*$ ]]; then
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@ -258,9 +179,9 @@ while true; do
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MH_CAAS=( $(dig CAA ${MH_PARENT_DOMAIN} +short | sed -n 's/\d issue "\(.*\)"/\1/p') )
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if [[ ! -z ${MH_CAAS} ]]; then
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if [[ ${MH_CAAS[@]} =~ "letsencrypt.org" ]]; then
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echo "Validated CAA for parent domain ${MH_PARENT_DOMAIN}"
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log_f "Validated CAA for parent domain ${MH_PARENT_DOMAIN}"
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else
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echo "Skipping ACME validation: Lets Encrypt disallowed for ${MAILCOW_HOSTNAME} by CAA record, retrying in 1h..."
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log_f "Skipping ACME validation: Lets Encrypt disallowed for ${MAILCOW_HOSTNAME} by CAA record, retrying in 1h..."
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sleep 1h
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exec $(readlink -f "$0")
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fi
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@ -268,84 +189,33 @@ while true; do
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#########################################
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# IP and webroot challenge verification #
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SQL_DOMAINS=$(mysql --socket=/var/run/mysqld/mysqld.sock -u ${DBUSER} -p${DBPASS} ${DBNAME} -e "SELECT domain FROM domain WHERE backupmx=0" -Bs)
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if [[ ! $? -eq 0 ]]; then
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log_f "Failed to read SQL domains, retrying in 1 minute..."
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sleep 1m
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exec $(readlink -f "$0")
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fi
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while read domains; do
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SQL_DOMAIN_ARR+=("${domains}")
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done < <(mysql --socket=/var/run/mysqld/mysqld.sock -u ${DBUSER} -p${DBPASS} ${DBNAME} -e "SELECT domain FROM domain WHERE backupmx=0" -Bs)
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done <<< "${SQL_DOMAINS}"
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if [[ ${ONLY_MAILCOW_HOSTNAME} != "y" ]]; then
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for SQL_DOMAIN in "${SQL_DOMAIN_ARR[@]}"; do
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unset VALIDATED_CONFIG_DOMAINS_SUBDOMAINS
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declare -a VALIDATED_CONFIG_DOMAINS_SUBDOMAINS
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for SUBDOMAIN in "${ADDITIONAL_WC_ARR[@]}"; do
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if [[ "${SUBDOMAIN}.${SQL_DOMAIN}" != "${MAILCOW_HOSTNAME}" ]]; then
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A_SUBDOMAIN=$(dig A ${SUBDOMAIN}.${SQL_DOMAIN} +short | tail -n 1)
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AAAA_SUBDOMAIN=$(dig AAAA ${SUBDOMAIN}.${SQL_DOMAIN} +short | tail -n 1)
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# Check if CNAME without v6 enabled target
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if [[ ! -z ${AAAA_SUBDOMAIN} ]] && [[ -z $(echo ${AAAA_SUBDOMAIN} | grep "^\([0-9a-fA-F]\{0,4\}:\)\{1,7\}[0-9a-fA-F]\{0,4\}$") ]]; then
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AAAA_SUBDOMAIN=
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fi
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if [[ ! -z ${AAAA_SUBDOMAIN} ]]; then
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log_f "Found AAAA record for ${SUBDOMAIN}.${SQL_DOMAIN}: ${AAAA_SUBDOMAIN} - skipping A record check"
|
||||
if [[ $(expand ${IPV6:-"0000:0000:0000:0000:0000:0000:0000:0000"}) == $(expand ${AAAA_SUBDOMAIN}) ]] || [[ ${SKIP_IP_CHECK} == "y" ]]; then
|
||||
if verify_challenge_path "${SUBDOMAIN}.${SQL_DOMAIN}" 6; then
|
||||
log_f "Confirmed AAAA record with IP ${AAAA_SUBDOMAIN}, adding SAN"
|
||||
VALIDATED_CONFIG_DOMAINS+=("${SUBDOMAIN}.${SQL_DOMAIN}")
|
||||
else
|
||||
log_f "Confirmed AAAA record with IP ${AAAA_SUBDOMAIN}, but HTTP validation failed"
|
||||
fi
|
||||
else
|
||||
log_f "Cannot match your IP ${IPV6:-NO_IPV6_LINK} against hostname ${SUBDOMAIN}.${SQL_DOMAIN} ($(expand ${AAAA_SUBDOMAIN}))"
|
||||
fi
|
||||
elif [[ ! -z ${A_SUBDOMAIN} ]]; then
|
||||
log_f "Found A record for ${SUBDOMAIN}.${SQL_DOMAIN}: ${A_SUBDOMAIN}"
|
||||
if [[ ${IPV4:-ERR} == ${A_SUBDOMAIN} ]] || [[ ${SKIP_IP_CHECK} == "y" ]]; then
|
||||
if verify_challenge_path "${SUBDOMAIN}.${SQL_DOMAIN}" 4; then
|
||||
log_f "Confirmed A record ${A_SUBDOMAIN}, adding SAN"
|
||||
VALIDATED_CONFIG_DOMAINS+=("${SUBDOMAIN}.${SQL_DOMAIN}")
|
||||
else
|
||||
log_f "Confirmed A record with IP ${A_SUBDOMAIN}, but HTTP validation failed"
|
||||
fi
|
||||
else
|
||||
log_f "Cannot match your IP ${IPV4} against hostname ${SUBDOMAIN}.${SQL_DOMAIN} (${A_SUBDOMAIN})"
|
||||
fi
|
||||
else
|
||||
log_f "No A or AAAA record found for hostname ${SUBDOMAIN}.${SQL_DOMAIN}"
|
||||
if [[ "${SUBDOMAIN}.${SQL_DOMAIN}" != "${MAILCOW_HOSTNAME}" ]]; then
|
||||
if check_domain "${SUBDOMAIN}.${SQL_DOMAIN}"; then
|
||||
VALIDATED_CONFIG_DOMAINS_SUBDOMAINS+=("${SUBDOMAIN}.${SQL_DOMAIN}")
|
||||
fi
|
||||
fi
|
||||
done
|
||||
VALIDATED_CONFIG_DOMAINS+=("${VALIDATED_CONFIG_DOMAINS_SUBDOMAINS[*]}")
|
||||
done
|
||||
fi
|
||||
|
||||
A_MAILCOW_HOSTNAME=$(dig A ${MAILCOW_HOSTNAME} +short | tail -n 1)
|
||||
AAAA_MAILCOW_HOSTNAME=$(dig AAAA ${MAILCOW_HOSTNAME} +short | tail -n 1)
|
||||
# Check if CNAME without v6 enabled target
|
||||
if [[ ! -z ${AAAA_MAILCOW_HOSTNAME} ]] && [[ -z $(echo ${AAAA_MAILCOW_HOSTNAME} | grep "^\([0-9a-fA-F]\{0,4\}:\)\{1,7\}[0-9a-fA-F]\{0,4\}$") ]]; then
|
||||
AAAA_MAILCOW_HOSTNAME=
|
||||
fi
|
||||
if [[ ! -z ${AAAA_MAILCOW_HOSTNAME} ]]; then
|
||||
log_f "Found AAAA record for ${MAILCOW_HOSTNAME}: ${AAAA_MAILCOW_HOSTNAME} - skipping A record check"
|
||||
if [[ $(expand ${IPV6:-"0000:0000:0000:0000:0000:0000:0000:0000"}) == $(expand ${AAAA_MAILCOW_HOSTNAME}) ]] || [[ ${SKIP_IP_CHECK} == "y" ]]; then
|
||||
if verify_challenge_path "${MAILCOW_HOSTNAME}" 6; then
|
||||
log_f "Confirmed AAAA record ${AAAA_MAILCOW_HOSTNAME}"
|
||||
VALIDATED_MAILCOW_HOSTNAME=${MAILCOW_HOSTNAME}
|
||||
else
|
||||
log_f "Confirmed AAAA record with IP ${AAAA_MAILCOW_HOSTNAME}, but HTTP validation failed"
|
||||
fi
|
||||
else
|
||||
log_f "Cannot match your IP ${IPV6:-NO_IPV6_LINK} against hostname ${MAILCOW_HOSTNAME} (DNS returned $(expand ${AAAA_MAILCOW_HOSTNAME}))"
|
||||
fi
|
||||
elif [[ ! -z ${A_MAILCOW_HOSTNAME} ]]; then
|
||||
log_f "Found A record for ${MAILCOW_HOSTNAME}: ${A_MAILCOW_HOSTNAME}"
|
||||
if [[ ${IPV4:-ERR} == ${A_MAILCOW_HOSTNAME} ]] || [[ ${SKIP_IP_CHECK} == "y" ]]; then
|
||||
if verify_challenge_path "${MAILCOW_HOSTNAME}" 4; then
|
||||
log_f "Confirmed A record ${A_MAILCOW_HOSTNAME}"
|
||||
VALIDATED_MAILCOW_HOSTNAME=${MAILCOW_HOSTNAME}
|
||||
else
|
||||
log_f "Confirmed A record with IP ${A_MAILCOW_HOSTNAME}, but HTTP validation failed"
|
||||
fi
|
||||
else
|
||||
log_f "Cannot match your IP ${IPV4} against hostname ${MAILCOW_HOSTNAME} (DNS returned ${A_MAILCOW_HOSTNAME})"
|
||||
fi
|
||||
else
|
||||
log_f "No A or AAAA record found for hostname ${MAILCOW_HOSTNAME}"
|
||||
if check_domain ${MAILCOW_HOSTNAME}; then
|
||||
VALIDATED_MAILCOW_HOSTNAME="${MAILCOW_HOSTNAME}"
|
||||
fi
|
||||
|
||||
if [[ ${ONLY_MAILCOW_HOSTNAME} != "y" ]]; then
|
||||
@ -355,149 +225,123 @@ while true; do
|
||||
SAN_CAAS=( $(dig CAA ${SAN_PARENT_DOMAIN} +short | sed -n 's/\d issue "\(.*\)"/\1/p') )
|
||||
if [[ ! -z ${SAN_CAAS} ]]; then
|
||||
if [[ ${SAN_CAAS[@]} =~ "letsencrypt.org" ]]; then
|
||||
echo "Validated CAA for parent domain ${SAN_PARENT_DOMAIN} of ${SAN}"
|
||||
log_f "Validated CAA for parent domain ${SAN_PARENT_DOMAIN} of ${SAN}"
|
||||
else
|
||||
echo "Skipping ACME validation for ${SAN}: Lets Encrypt disallowed for ${SAN} by CAA record"
|
||||
log_f "Skipping ACME validation for ${SAN}: Lets Encrypt disallowed for ${SAN} by CAA record"
|
||||
continue
|
||||
fi
|
||||
fi
|
||||
if [[ ${SAN} == ${MAILCOW_HOSTNAME} ]]; then
|
||||
continue
|
||||
fi
|
||||
A_SAN=$(dig A ${SAN} +short | tail -n 1)
|
||||
AAAA_SAN=$(dig AAAA ${SAN} +short | tail -n 1)
|
||||
# Check if CNAME without v6 enabled target
|
||||
if [[ ! -z ${AAAA_SAN} ]] && [[ -z $(echo ${AAAA_SAN} | grep "^\([0-9a-fA-F]\{0,4\}:\)\{1,7\}[0-9a-fA-F]\{0,4\}$") ]]; then
|
||||
AAAA_SAN=
|
||||
fi
|
||||
if [[ ! -z ${AAAA_SAN} ]]; then
|
||||
log_f "Found AAAA record for ${SAN}: ${AAAA_SAN} - skipping A record check"
|
||||
if [[ $(expand ${IPV6:-"0000:0000:0000:0000:0000:0000:0000:0000"}) == $(expand ${AAAA_SAN}) ]] || [[ ${SKIP_IP_CHECK} == "y" ]]; then
|
||||
if verify_challenge_path "${SAN}" 6; then
|
||||
log_f "Confirmed AAAA record with IP ${AAAA_SAN}"
|
||||
ADDITIONAL_VALIDATED_SAN+=("${SAN}")
|
||||
else
|
||||
log_f "Confirmed AAAA record with IP ${AAAA_SAN}, but HTTP validation failed"
|
||||
fi
|
||||
else
|
||||
log_f "Cannot match your IP ${IPV6:-NO_IPV6_LINK} against hostname ${SAN} (DNS returned $(expand ${AAAA_SAN}))"
|
||||
fi
|
||||
elif [[ ! -z ${A_SAN} ]]; then
|
||||
log_f "Found A record for ${SAN}: ${A_SAN}"
|
||||
if [[ ${IPV4:-ERR} == ${A_SAN} ]] || [[ ${SKIP_IP_CHECK} == "y" ]]; then
|
||||
if verify_challenge_path "${SAN}" 4; then
|
||||
log_f "Confirmed A record ${A_SAN}"
|
||||
ADDITIONAL_VALIDATED_SAN+=("${SAN}")
|
||||
else
|
||||
log_f "Confirmed A record with IP ${A_SAN}, but HTTP validation failed"
|
||||
fi
|
||||
else
|
||||
log_f "Cannot match your IP ${IPV4} against hostname ${SAN} (DNS returned ${A_SAN})"
|
||||
fi
|
||||
else
|
||||
log_f "No A or AAAA record found for hostname ${SAN}"
|
||||
if check_domain ${SAN}; then
|
||||
ADDITIONAL_VALIDATED_SAN+=("${SAN}")
|
||||
fi
|
||||
done
|
||||
fi
|
||||
|
||||
# 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."
|
||||
# Unique domains for server certificate
|
||||
if [[ ${ENABLE_SSL_SNI} == "y" ]]; then
|
||||
# create certificate for server name and fqdn SANs only
|
||||
SERVER_SAN_VALIDATED=(${VALIDATED_MAILCOW_HOSTNAME} $(echo ${ADDITIONAL_VALIDATED_SAN[*]} | xargs -n1 | sort -u | xargs))
|
||||
else
|
||||
# create certificate for all domains, including all subdomains from other domains [*]
|
||||
SERVER_SAN_VALIDATED=(${VALIDATED_MAILCOW_HOSTNAME} $(echo ${VALIDATED_CONFIG_DOMAINS[*]} ${ADDITIONAL_VALIDATED_SAN[*]} | xargs -n1 | sort -u | xargs))
|
||||
fi
|
||||
if [[ ! -z ${SERVER_SAN_VALIDATED[*]} ]]; then
|
||||
CERT_NAME=${SERVER_SAN_VALIDATED[0]}
|
||||
VALIDATED_CERTIFICATES+=("${CERT_NAME}")
|
||||
|
||||
# obtain server certificate if required
|
||||
DOMAINS=${SERVER_SAN_VALIDATED[@]} /srv/obtain-certificate.sh rsa
|
||||
RETURN="$?"
|
||||
if [[ "$RETURN" == "0" ]]; then # 0 = cert created successfully
|
||||
CERT_AMOUNT_CHANGED=1
|
||||
CERT_CHANGED=1
|
||||
elif [[ "$RETURN" == "1" ]]; then # 1 = cert renewed successfully
|
||||
CERT_CHANGED=1
|
||||
elif [[ "$RETURN" == "2" ]]; then # 2 = cert not due for renewal
|
||||
:
|
||||
else
|
||||
CERT_ERRORS=1
|
||||
fi
|
||||
# copy hostname certificate to default/server certificate
|
||||
cp ${ACME_BASE}/${CERT_NAME}/cert.pem ${ACME_BASE}/cert.pem
|
||||
cp ${ACME_BASE}/${CERT_NAME}/key.pem ${ACME_BASE}/key.pem
|
||||
fi
|
||||
|
||||
# individual certificates for SNI [@]
|
||||
if [[ ${ENABLE_SSL_SNI} == "y" ]]; then
|
||||
for VALIDATED_DOMAINS in "${VALIDATED_CONFIG_DOMAINS[@]}"; do
|
||||
VALIDATED_DOMAINS_ARR=(${VALIDATED_DOMAINS})
|
||||
|
||||
unset VALIDATED_DOMAINS_SORTED
|
||||
declare -a VALIDATED_DOMAINS_SORTED
|
||||
VALIDATED_DOMAINS_SORTED=(${VALIDATED_DOMAINS_ARR[0]} $(echo ${VALIDATED_DOMAINS_ARR[@]:1} | xargs -n1 | sort -u | xargs))
|
||||
|
||||
if [[ ! -z ${VALIDATED_DOMAINS_SORTED[*]} ]]; then
|
||||
CERT_NAME=${VALIDATED_DOMAINS_SORTED[0]}
|
||||
VALIDATED_CERTIFICATES+=("${CERT_NAME}")
|
||||
# obtain certificate if required
|
||||
DOMAINS=${VALIDATED_DOMAINS_SORTED[@]} /srv/obtain-certificate.sh rsa
|
||||
RETURN="$?"
|
||||
if [[ "$RETURN" == "0" ]]; then # 0 = cert created successfully
|
||||
CERT_AMOUNT_CHANGED=1
|
||||
CERT_CHANGED=1
|
||||
elif [[ "$RETURN" == "1" ]]; then # 1 = cert renewed successfully
|
||||
CERT_CHANGED=1
|
||||
elif [[ "$RETURN" == "2" ]]; then # 2 = cert not due for renewal
|
||||
:
|
||||
else
|
||||
CERT_ERRORS=1
|
||||
fi
|
||||
fi
|
||||
done
|
||||
fi
|
||||
|
||||
if [[ -z ${VALIDATED_CERTIFICATES[*]} ]]; then
|
||||
log_f "Cannot validate any hostnames, skipping Let's Encrypt for 1 hour."
|
||||
log_f "Use SKIP_LETS_ENCRYPT=y in mailcow.conf to skip it permanently."
|
||||
redis-cli -h redis SET ACME_FAIL_TIME "$(date +%s)"
|
||||
sleep 1h
|
||||
exec $(readlink -f "$0")
|
||||
fi
|
||||
|
||||
# Collecting SANs from active certificate
|
||||
SAN_NAMES=$(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}
|
||||
fi
|
||||
|
||||
# Finding difference in SAN array now vs. SAN array by current configuration
|
||||
array_diff ORPHANED_SAN SAN_ARRAY_NOW ALL_VALIDATED
|
||||
if [[ ! -z ${ORPHANED_SAN[*]} ]]; then
|
||||
log_f "Found orphaned SAN ${ORPHANED_SAN[*]}"
|
||||
SAN_CHANGE=1
|
||||
fi
|
||||
array_diff ADDED_SAN ALL_VALIDATED SAN_ARRAY_NOW
|
||||
if [[ ! -z ${ADDED_SAN[*]} ]]; then
|
||||
log_f "Found new SAN ${ADDED_SAN[*]}"
|
||||
SAN_CHANGE=1
|
||||
fi
|
||||
|
||||
if [[ ${SAN_CHANGE} == 0 ]]; then
|
||||
# Certificate did not change but could be due for renewal (4 weeks)
|
||||
if ! openssl x509 -checkend 2592000 -noout -in ${ACME_BASE}/cert.pem; then
|
||||
log_f "Certificate is due for renewal (< 30 days)"
|
||||
else
|
||||
log_f "Certificate validation done, neither changed nor due for renewal, sleeping for another day."
|
||||
sleep 1d
|
||||
continue
|
||||
fi
|
||||
fi
|
||||
|
||||
DATE=$(date +%Y-%m-%d_%H_%M_%S)
|
||||
log_f "Creating backups in ${ACME_BASE}/backups/${DATE}/ ..."
|
||||
mkdir -p ${ACME_BASE}/backups/${DATE}/
|
||||
[[ -f ${ACME_BASE}/acme/acme.csr ]] && cp ${ACME_BASE}/acme/acme.csr ${ACME_BASE}/backups/${DATE}/
|
||||
[[ -f ${ACME_BASE}/acme/cert.pem ]] && cp ${ACME_BASE}/acme/cert.pem ${ACME_BASE}/backups/${DATE}/
|
||||
[[ -f ${ACME_BASE}/acme/key.pem ]] && cp ${ACME_BASE}/acme/key.pem ${ACME_BASE}/backups/${DATE}/
|
||||
[[ -f ${ACME_BASE}/acme/account.pem ]] && cp ${ACME_BASE}/acme/account.pem ${ACME_BASE}/backups/${DATE}/
|
||||
|
||||
# Generating CSR
|
||||
printf "[SAN]\nsubjectAltName=" > /tmp/_SAN
|
||||
printf "DNS:%s," "${ALL_VALIDATED[@]}" >> /tmp/_SAN
|
||||
sed -i '$s/,$//' /tmp/_SAN
|
||||
openssl req -new -sha256 -key ${ACME_BASE}/acme/key.pem -subj "/" -reqexts SAN -config <(cat /etc/ssl/openssl.cnf /tmp/_SAN) > ${ACME_BASE}/acme/acme.csr
|
||||
|
||||
if [[ "${LE_STAGING}" =~ ^([yY][eE][sS]|[yY])+$ ]]; then
|
||||
log_f "Using Let's Encrypt staging servers"
|
||||
STAGING_PARAMETER='--directory-url https://acme-staging-v02.api.letsencrypt.org/directory'
|
||||
else
|
||||
STAGING_PARAMETER=
|
||||
fi
|
||||
|
||||
# acme-tiny writes info to stderr and ceritifcate to stdout
|
||||
# The redirects will do the following:
|
||||
# - redirect stdout to temp certificate file
|
||||
# - redirect acme-tiny stderr to stdout (logs to variable ACME_RESPONSE)
|
||||
# - tee stderr to get live output and log to dockerd
|
||||
|
||||
ACME_RESPONSE=$(acme-tiny ${STAGING_PARAMETER} \
|
||||
--account-key ${ACME_BASE}/acme/account.pem \
|
||||
--disable-check \
|
||||
--csr ${ACME_BASE}/acme/acme.csr \
|
||||
--acme-dir /var/www/acme/ 2>&1 > /tmp/_cert.pem | tee /dev/fd/5)
|
||||
|
||||
case "$?" in
|
||||
0) # cert requested
|
||||
ACME_RESPONSE_B64=$(echo "${ACME_RESPONSE}" | openssl enc -e -A -base64)
|
||||
log_f "${ACME_RESPONSE_B64}" redis_only b64
|
||||
log_f "Deploying..."
|
||||
# Deploy the new certificate and key
|
||||
# Moving temp cert to acme/cert.pem
|
||||
if verify_hash_match /tmp/_cert.pem ${ACME_BASE}/acme/key.pem; then
|
||||
mv /tmp/_cert.pem ${ACME_BASE}/acme/cert.pem
|
||||
cp ${ACME_BASE}/acme/cert.pem ${ACME_BASE}/cert.pem
|
||||
cp ${ACME_BASE}/acme/key.pem ${ACME_BASE}/key.pem
|
||||
reload_configurations
|
||||
rm /var/www/acme/* 2> /dev/null
|
||||
log_f "Certificate successfully deployed, removing backup, sleeping 1d"
|
||||
sleep 1d
|
||||
else
|
||||
log_f "Certificate was successfully requested, but key and certificate have non-matching hashes, ignoring certificate"
|
||||
log_f "Retrying in 30 minutes..."
|
||||
sleep 30m
|
||||
exec $(readlink -f "$0")
|
||||
# find orphaned certificates if no errors occurred
|
||||
if [[ "${CERT_ERRORS}" == "0" ]]; then
|
||||
for EXISTING_CERT in "${EXISTING_CERTS[@]}"; do
|
||||
if [[ ! "`printf '_%s_\n' "${VALIDATED_CERTIFICATES[@]}"`" == *"_${EXISTING_CERT}_"* ]]; then
|
||||
DATE=$(date +%Y-%m-%d_%H_%M_%S)
|
||||
log_f "Found orphaned certificate: ${EXISTING_CERT} - archiving it at ${ACME_BASE}/backups/${EXISTING_CERT}/"
|
||||
BACKUP_DIR=${ACME_BASE}/backups/${EXISTING_CERT}/${DATE}
|
||||
# archive rsa cert and any other files
|
||||
mv ${ACME_BASE}/${EXISTING_CERT} ${BACKUP_DIR}
|
||||
CERT_CHANGED=1
|
||||
CERT_AMOUNT_CHANGED=1
|
||||
fi
|
||||
done
|
||||
fi
|
||||
|
||||
# reload on new or changed certificates
|
||||
if [[ "${CERT_CHANGED}" == "1" ]]; then
|
||||
CERT_AMOUNT_CHANGED=${CERT_AMOUNT_CHANGED} /srv/reload-configurations.sh
|
||||
fi
|
||||
|
||||
case "$CERT_ERRORS" in
|
||||
0) # all successful
|
||||
if [[ "${CERT_CHANGED}" == "1" ]]; then
|
||||
if [[ "${CERT_AMOUNT_CHANGED}" == "1" ]]; then
|
||||
log_f "Certificates successfully requested and renewed where required, sleeping one day"
|
||||
else
|
||||
log_f "Certificates were successfully renewed where required, sleeping for another day."
|
||||
fi
|
||||
else
|
||||
log_f "Certificates were successfully validated, no changes or renewals required, sleeping for another day."
|
||||
fi
|
||||
sleep 1d
|
||||
;;
|
||||
*) # non-zero is non-fun
|
||||
ACME_RESPONSE_B64=$(echo "${ACME_RESPONSE}" | openssl enc -e -A -base64)
|
||||
log_f "${ACME_RESPONSE_B64}" redis_only b64
|
||||
log_f "Retrying in 30 minutes..."
|
||||
*) # non-zero
|
||||
log_f "Some errors occurred, retrying in 30 minutes..."
|
||||
redis-cli -h redis SET ACME_FAIL_TIME "$(date +%s)"
|
||||
sleep 30m
|
||||
exec $(readlink -f "$0")
|
||||
|
||||
112
data/Dockerfiles/acme/functions.sh
Normal file
112
data/Dockerfiles/acme/functions.sh
Normal file
@ -0,0 +1,112 @@
|
||||
#!/bin/bash
|
||||
|
||||
log_f() {
|
||||
if [[ ${2} == "no_nl" ]]; then
|
||||
echo -n "$(date) - ${1}"
|
||||
elif [[ ${2} == "no_date" ]]; then
|
||||
echo "${1}"
|
||||
elif [[ ${2} != "redis_only" ]]; then
|
||||
echo "$(date) - ${1}"
|
||||
fi
|
||||
if [[ ${3} == "b64" ]]; then
|
||||
redis-cli -h redis LPUSH ACME_LOG "{\"time\":\"$(date +%s)\",\"message\":\"base64,$(printf '%s' "${1}")\"}" > /dev/null
|
||||
else
|
||||
redis-cli -h redis LPUSH ACME_LOG "{\"time\":\"$(date +%s)\",\"message\":\"$(printf '%s' "${1}" | \
|
||||
tr '%&;$"[]{}-\r\n' ' ')\"}" > /dev/null
|
||||
fi
|
||||
}
|
||||
|
||||
verify_hash_match(){
|
||||
CERT_HASH=$(openssl x509 -in "${1}" -noout -pubkey | openssl md5)
|
||||
KEY_HASH=$(openssl pkey -in "${2}" -pubout | 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]="ip4.mailcow.email"
|
||||
IPV4_SRCS[1]="ip4.korves.net"
|
||||
until [[ ! -z ${IPV4} ]] || [[ ${TRY} -ge 10 ]]; do
|
||||
IPV4=$(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}
|
||||
}
|
||||
|
||||
get_ipv6(){
|
||||
local IPV6=
|
||||
local IPV6_SRCS=
|
||||
local TRY=
|
||||
IPV6_SRCS[0]="ip6.korves.net"
|
||||
IPV6_SRCS[1]="ip6.mailcow.email"
|
||||
until [[ ! -z ${IPV6} ]] || [[ ${TRY} -ge 10 ]]; do
|
||||
IPV6=$(curl --connect-timeout 3 -m 10 -L6s ${IPV6_SRCS[$RANDOM % ${#IPV6_SRCS[@]} ]} | grep "^\([0-9a-fA-F]\{0,4\}:\)\{1,7\}[0-9a-fA-F]\{0,4\}$")
|
||||
[[ ! -z ${TRY} ]] && sleep 1
|
||||
TRY=$((TRY+1))
|
||||
done
|
||||
echo ${IPV6}
|
||||
}
|
||||
|
||||
check_domain(){
|
||||
DOMAIN=$1
|
||||
A_DOMAIN=$(dig A ${DOMAIN} +short | tail -n 1)
|
||||
AAAA_DOMAIN=$(dig AAAA ${DOMAIN} +short | tail -n 1)
|
||||
# Check if CNAME without v6 enabled target
|
||||
if [[ ! -z ${AAAA_DOMAIN} ]] && [[ -z $(echo ${AAAA_DOMAIN} | grep "^\([0-9a-fA-F]\{0,4\}:\)\{1,7\}[0-9a-fA-F]\{0,4\}$") ]]; then
|
||||
AAAA_DOMAIN=
|
||||
fi
|
||||
if [[ ! -z ${AAAA_DOMAIN} ]]; then
|
||||
log_f "Found AAAA record for ${DOMAIN}: ${AAAA_DOMAIN} - skipping A record check"
|
||||
if [[ $(expand ${IPV6:-"0000:0000:0000:0000:0000:0000:0000:0000"}) == $(expand ${AAAA_DOMAIN}) ]] || [[ ${SKIP_IP_CHECK} == "y" ]]; then
|
||||
if verify_challenge_path "${DOMAIN}" 6; then
|
||||
log_f "Confirmed AAAA record with IP ${AAAA_DOMAIN}"
|
||||
return 0
|
||||
else
|
||||
log_f "Confirmed AAAA record with IP ${AAAA_DOMAIN}, but HTTP validation failed"
|
||||
fi
|
||||
else
|
||||
log_f "Cannot match your IP ${IPV6:-NO_IPV6_LINK} against hostname ${DOMAIN} (DNS returned $(expand ${AAAA_DOMAIN}))"
|
||||
fi
|
||||
elif [[ ! -z ${A_DOMAIN} ]]; then
|
||||
log_f "Found A record for ${DOMAIN}: ${A_DOMAIN}"
|
||||
if [[ ${IPV4:-ERR} == ${A_DOMAIN} ]] || [[ ${SKIP_IP_CHECK} == "y" ]]; then
|
||||
if verify_challenge_path "${DOMAIN}" 4; then
|
||||
log_f "Confirmed A record ${A_DOMAIN}"
|
||||
return 0
|
||||
else
|
||||
log_f "Confirmed A record with IP ${A_DOMAIN}, but HTTP validation failed"
|
||||
fi
|
||||
else
|
||||
log_f "Cannot match your IP ${IPV4} against hostname ${DOMAIN} (DNS returned ${A_DOMAIN})"
|
||||
fi
|
||||
else
|
||||
log_f "No A or AAAA record found for hostname ${DOMAIN}"
|
||||
fi
|
||||
return 1
|
||||
}
|
||||
|
||||
verify_challenge_path(){
|
||||
if [[ ${SKIP_HTTP_VERIFICATION} == "y" ]]; then
|
||||
echo '(skipping check, returning 0)'
|
||||
return 0
|
||||
fi
|
||||
# verify_challenge_path URL 4|6
|
||||
RANDOM_N=${RANDOM}${RANDOM}${RANDOM}
|
||||
echo ${RANDOM_N} > /var/www/acme/${RANDOM_N}
|
||||
if [[ "$(curl --insecure -${2} -L http://${1}/.well-known/acme-challenge/${RANDOM_N} --silent)" == "${RANDOM_N}" ]]; then
|
||||
rm /var/www/acme/${RANDOM_N}
|
||||
return 0
|
||||
else
|
||||
rm /var/www/acme/${RANDOM_N}
|
||||
return 1
|
||||
fi
|
||||
}
|
||||
120
data/Dockerfiles/acme/obtain-certificate.sh
Normal file
120
data/Dockerfiles/acme/obtain-certificate.sh
Normal file
@ -0,0 +1,120 @@
|
||||
#!/bin/bash
|
||||
|
||||
# Return values / exit codes
|
||||
# 0 = cert created successfully
|
||||
# 1 = cert renewed successfully
|
||||
# 2 = cert not due for renewal
|
||||
# * = errors
|
||||
|
||||
|
||||
source /srv/functions.sh
|
||||
|
||||
CERT_DOMAINS=(${DOMAINS[@]})
|
||||
CERT_DOMAIN=${CERT_DOMAINS[0]}
|
||||
ACME_BASE=/var/lib/acme
|
||||
|
||||
TYPE=${1}
|
||||
PREFIX=""
|
||||
# only support rsa certificates for now
|
||||
if [[ "${TYPE}" != "rsa" ]]; then
|
||||
log_f "Unknown certificate type '${TYPE}' requested"
|
||||
exit 5
|
||||
fi
|
||||
DOMAINS_FILE=${ACME_BASE}/${CERT_DOMAIN}/domains
|
||||
CERT=${ACME_BASE}/${CERT_DOMAIN}/${PREFIX}cert.pem
|
||||
SHARED_KEY=${ACME_BASE}/acme/${PREFIX}key.pem # must already exist
|
||||
KEY=${ACME_BASE}/${CERT_DOMAIN}/${PREFIX}key.pem
|
||||
CSR=${ACME_BASE}/${CERT_DOMAIN}/${PREFIX}acme.csr
|
||||
|
||||
if [[ -z ${CERT_DOMAINS[*]} ]]; then
|
||||
log_f "Missing CERT_DOMAINS to obtain a certificate"
|
||||
exit 3
|
||||
fi
|
||||
|
||||
if [[ "${LE_STAGING}" =~ ^([yY][eE][sS]|[yY])+$ ]]; then
|
||||
log_f "Using Let's Encrypt staging servers"
|
||||
STAGING_PARAMETER='--directory-url https://acme-staging-v02.api.letsencrypt.org/directory'
|
||||
else
|
||||
STAGING_PARAMETER=
|
||||
fi
|
||||
|
||||
if [[ -f ${DOMAINS_FILE} && "$(cat ${DOMAINS_FILE})" == "${CERT_DOMAINS[*]}" ]]; then
|
||||
if [[ ! -f ${CERT} || ! -f "${KEY}" ]]; then
|
||||
log_f "Certificate ${CERT} doesn't exist yet - start obtaining"
|
||||
# Certificate exists and did not change but could be due for renewal (30 days)
|
||||
elif ! openssl x509 -checkend 2592000 -noout -in ${CERT} > /dev/null; then
|
||||
log_f "Certificate ${CERT} is due for renewal (< 30 days) - start renewing"
|
||||
else
|
||||
log_f "Certificate ${CERT} validation done, neither changed nor due for renewal."
|
||||
exit 2
|
||||
fi
|
||||
else
|
||||
log_f "Certificate ${CERT} missing or changed domains '${CERT_DOMAINS[*]}' - start obtaining"
|
||||
fi
|
||||
|
||||
|
||||
# Make backup
|
||||
if [[ -f ${CERT} ]]; then
|
||||
DATE=$(date +%Y-%m-%d_%H_%M_%S)
|
||||
BACKUP_DIR=${ACME_BASE}/backups/${CERT_DOMAIN}/${PREFIX}${DATE}
|
||||
log_f "Creating backups in ${BACKUP_DIR} ..."
|
||||
mkdir -p ${BACKUP_DIR}/
|
||||
[[ -f ${DOMAINS_FILE} ]] && cp ${DOMAINS_FILE} ${BACKUP_DIR}/
|
||||
[[ -f ${CERT} ]] && cp ${CERT} ${BACKUP_DIR}/
|
||||
[[ -f ${KEY} ]] && cp ${KEY} ${BACKUP_DIR}/
|
||||
[[ -f ${CSR} ]] && cp ${CSR} ${BACKUP_DIR}/
|
||||
fi
|
||||
|
||||
mkdir -p ${ACME_BASE}/${CERT_DOMAIN}
|
||||
if [[ ! -f ${KEY} ]]; then
|
||||
log_f "Copying shared private key for this certificate..."
|
||||
cp ${SHARED_KEY} ${KEY}
|
||||
chmod 600 ${KEY}
|
||||
fi
|
||||
|
||||
# Generating CSR
|
||||
printf "[SAN]\nsubjectAltName=" > /tmp/_SAN
|
||||
printf "DNS:%s," "${CERT_DOMAINS[@]}" >> /tmp/_SAN
|
||||
sed -i '$s/,$//' /tmp/_SAN
|
||||
openssl req -new -sha256 -key ${KEY} -subj "/" -reqexts SAN -config <(cat /etc/ssl/openssl.cnf /tmp/_SAN) > ${CSR}
|
||||
|
||||
# acme-tiny writes info to stderr and ceritifcate to stdout
|
||||
# The redirects will do the following:
|
||||
# - redirect stdout to temp certificate file
|
||||
# - redirect acme-tiny stderr to stdout (logs to variable ACME_RESPONSE)
|
||||
# - tee stderr to get live output and log to dockerd
|
||||
|
||||
ACME_RESPONSE=$(acme-tiny ${STAGING_PARAMETER} \
|
||||
--account-key ${ACME_BASE}/acme/account.pem \
|
||||
--disable-check \
|
||||
--csr ${CSR} \
|
||||
--acme-dir /var/www/acme/ 2>&1 > /tmp/_cert.pem | tee /dev/fd/5; exit ${PIPESTATUS[0]})
|
||||
SUCCESS="$?"
|
||||
ACME_RESPONSE_B64=$(echo "${ACME_RESPONSE}" | openssl enc -e -A -base64)
|
||||
log_f "${ACME_RESPONSE_B64}" redis_only b64
|
||||
case "$SUCCESS" in
|
||||
0) # cert requested
|
||||
log_f "Deploying certificate ${CERT}..."
|
||||
# Deploy the new certificate and key
|
||||
# Moving temp cert to {domain} folder
|
||||
if verify_hash_match /tmp/_cert.pem ${KEY}; then
|
||||
RETURN=0 # certificate created
|
||||
if [[ -f ${CERT} ]]; then
|
||||
RETURN=1 # certificate renewed
|
||||
fi
|
||||
mv -f /tmp/_cert.pem ${CERT}
|
||||
echo -n ${CERT_DOMAINS[*]} > ${DOMAINS_FILE}
|
||||
rm /var/www/acme/* 2> /dev/null
|
||||
log_f "Certificate successfully obtained"
|
||||
exit ${RETURN}
|
||||
else
|
||||
log_f "Certificate was successfully requested, but key and certificate have non-matching hashes, ignoring certificate"
|
||||
exit 4
|
||||
fi
|
||||
;;
|
||||
*) # non-zero is non-fun
|
||||
log_f "Failed to obtain certificate ${CERT} for domains '${CERT_DOMAINS[*]}'"
|
||||
redis-cli -h redis SET ACME_FAIL_TIME "$(date +%s)"
|
||||
exit 100${SUCCESS}
|
||||
;;
|
||||
esac
|
||||
43
data/Dockerfiles/acme/reload-configurations.sh
Normal file
43
data/Dockerfiles/acme/reload-configurations.sh
Normal file
@ -0,0 +1,43 @@
|
||||
#!/bin/bash
|
||||
|
||||
# Reading container IDs
|
||||
# Wrapping as array to ensure trimmed content when calling $NGINX etc.
|
||||
NGINX=($(curl --silent --insecure https://dockerapi/containers/json | jq -r '.[] | {name: .Config.Labels["com.docker.compose.service"], id: .Id}' | jq -rc 'select( .name | tostring | contains("nginx-mailcow")) | .id' | tr "\n" " "))
|
||||
DOVECOT=($(curl --silent --insecure https://dockerapi/containers/json | jq -r '.[] | {name: .Config.Labels["com.docker.compose.service"], id: .Id}' | jq -rc 'select( .name | tostring | contains("dovecot-mailcow")) | .id' | tr "\n" " "))
|
||||
POSTFIX=($(curl --silent --insecure https://dockerapi/containers/json | jq -r '.[] | {name: .Config.Labels["com.docker.compose.service"], id: .Id}' | jq -rc 'select( .name | tostring | contains("postfix-mailcow")) | .id' | tr "\n" " "))
|
||||
|
||||
reload_nginx(){
|
||||
echo "Reloading Nginx..."
|
||||
NGINX_RELOAD_RET=$(curl -X POST --insecure https://dockerapi/containers/${NGINX}/exec -d '{"cmd":"reload", "task":"nginx"}' --silent -H 'Content-type: application/json' | jq -r .type)
|
||||
[[ ${NGINX_RELOAD_RET} != 'success' ]] && { echo "Could not reload Nginx, restarting container..."; restart_container ${NGINX} ; }
|
||||
}
|
||||
|
||||
reload_dovecot(){
|
||||
echo "Reloading Dovecot..."
|
||||
DOVECOT_RELOAD_RET=$(curl -X POST --insecure https://dockerapi/containers/${DOVECOT}/exec -d '{"cmd":"reload", "task":"dovecot"}' --silent -H 'Content-type: application/json' | jq -r .type)
|
||||
[[ ${DOVECOT_RELOAD_RET} != 'success' ]] && { echo "Could not reload Dovecot, restarting container..."; restart_container ${DOVECOT} ; }
|
||||
}
|
||||
|
||||
reload_postfix(){
|
||||
echo "Reloading Postfix..."
|
||||
POSTFIX_RELOAD_RET=$(curl -X POST --insecure https://dockerapi/containers/${POSTFIX}/exec -d '{"cmd":"reload", "task":"postfix"}' --silent -H 'Content-type: application/json' | jq -r .type)
|
||||
[[ ${POSTFIX_RELOAD_RET} != 'success' ]] && { echo "Could not reload Postfix, restarting container..."; restart_container ${POSTFIX} ; }
|
||||
}
|
||||
|
||||
restart_container(){
|
||||
for container in $*; do
|
||||
echo "Restarting ${container}..."
|
||||
C_REST_OUT=$(curl -X POST --insecure https://dockerapi/containers/${container}/restart --silent | jq -r '.msg')
|
||||
echo "${C_REST_OUT}"
|
||||
done
|
||||
}
|
||||
|
||||
if [[ "${CERT_AMOUNT_CHANGED}" == "1" ]]; then
|
||||
restart_container ${NGINX}
|
||||
restart_container ${DOVECOT}
|
||||
restart_container ${POSTFIX}
|
||||
else
|
||||
reload_nginx
|
||||
reload_dovecot
|
||||
reload_postfix
|
||||
fi
|
||||
@ -142,6 +142,20 @@ if [[ $(stat -c %U /var/attachments) != "vmail" ]] ; then chown -R vmail:vmail /
|
||||
# Cleanup random user maildirs
|
||||
rm -rf /var/vmail/mailcow.local/*
|
||||
|
||||
# create sni configuration
|
||||
echo "" > /etc/dovecot/sni.conf
|
||||
for cert_dir in /etc/ssl/mail/*/ ; do
|
||||
if [[ ! -f ${cert_dir}domains ]] || [[ ! -f ${cert_dir}cert.pem ]] || [[ ! -f ${cert_dir}key.pem ]]; then
|
||||
continue
|
||||
fi
|
||||
domains=($(cat ${cert_dir}domains))
|
||||
for domain in ${domains[@]}; do
|
||||
echo 'local_name '${domain}' {' >> /etc/dovecot/sni.conf;
|
||||
echo ' ssl_cert = <'${cert_dir}'cert.pem' >> /etc/dovecot/sni.conf;
|
||||
echo ' ssl_key = <'${cert_dir}'key.pem' >> /etc/dovecot/sni.conf;
|
||||
echo '}' >> /etc/dovecot/sni.conf;
|
||||
done
|
||||
done
|
||||
|
||||
# Create random master for SOGo sieve features
|
||||
RAND_USER=$(cat /dev/urandom | tr -dc 'a-z0-9' | fold -w 16 | head -n 1)
|
||||
|
||||
@ -19,6 +19,20 @@ spam: "|/usr/local/bin/rspamd-pipe-spam"
|
||||
EOF
|
||||
newaliases;
|
||||
|
||||
# create sni configuration
|
||||
echo -n "" > /opt/postfix/conf/sni.map;
|
||||
for cert_dir in /etc/ssl/mail/*/ ; do
|
||||
if [[ ! -f ${cert_dir}domains ]] || [[ ! -f ${cert_dir}cert.pem ]] || [[ ! -f ${cert_dir}key.pem ]]; then
|
||||
continue;
|
||||
fi
|
||||
IFS=" " read -r -a domains <<< "$(cat "${cert_dir}domains")"
|
||||
for domain in "${domains[@]}"; do
|
||||
echo -n "${domain} ${cert_dir}key.pem ${cert_dir}cert.pem" >> /opt/postfix/conf/sni.map;
|
||||
echo "" >> /opt/postfix/conf/sni.map;
|
||||
done
|
||||
done
|
||||
postmap -F hash:/opt/postfix/conf/sni.map;
|
||||
|
||||
cat <<EOF > /opt/postfix/conf/sql/mysql_relay_recipient_maps.cf
|
||||
# Autogenerated by mailcow
|
||||
user = ${DBUSER}
|
||||
|
||||
@ -272,6 +272,7 @@ service lmtp {
|
||||
listen = *,[::]
|
||||
ssl_cert = </etc/ssl/mail/cert.pem
|
||||
ssl_key = </etc/ssl/mail/key.pem
|
||||
!include_try /etc/dovecot/sni.conf
|
||||
userdb {
|
||||
driver = passwd-file
|
||||
args = /etc/dovecot/dovecot-master.userdb
|
||||
|
||||
@ -1,19 +1,8 @@
|
||||
server_tokens off;
|
||||
proxy_cache_path /tmp levels=1:2 keys_zone=sogo:10m inactive=24h max_size=1g;
|
||||
server_names_hash_bucket_size 64;
|
||||
|
||||
map $http_x_forwarded_proto $client_req_scheme {
|
||||
default $scheme;
|
||||
https https;
|
||||
}
|
||||
|
||||
server {
|
||||
include /etc/nginx/mime.types;
|
||||
charset utf-8;
|
||||
override_charset on;
|
||||
|
||||
ssl_certificate /etc/ssl/mail/cert.pem;
|
||||
ssl_certificate_key /etc/ssl/mail/key.pem;
|
||||
ssl_protocols TLSv1.2 TLSv1.3;
|
||||
ssl_ciphers 'ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256';
|
||||
ssl_prefer_server_ciphers on;
|
||||
@ -34,11 +23,6 @@ server {
|
||||
|
||||
client_max_body_size 0;
|
||||
|
||||
listen 127.0.0.1:65510;
|
||||
include /etc/nginx/conf.d/listen_plain.active;
|
||||
include /etc/nginx/conf.d/listen_ssl.active;
|
||||
include /etc/nginx/conf.d/server_name.active;
|
||||
|
||||
gzip on;
|
||||
gzip_disable "msie6";
|
||||
|
||||
@ -221,4 +205,3 @@ server {
|
||||
location @awaitingupstream {
|
||||
rewrite ^(.*)$ /_status.502.html break;
|
||||
}
|
||||
}
|
||||
@ -1,2 +0,0 @@
|
||||
listen ${HTTP_PORT};
|
||||
listen [::]:${HTTP_PORT};
|
||||
@ -1,2 +0,0 @@
|
||||
listen ${HTTPS_PORT} ssl http2;
|
||||
listen [::]:${HTTPS_PORT} ssl http2;
|
||||
@ -1 +0,0 @@
|
||||
server_name ${MAILCOW_HOSTNAME} autodiscover.* autoconfig.*;
|
||||
40
data/conf/nginx/templates/sites.template.sh
Normal file
40
data/conf/nginx/templates/sites.template.sh
Normal file
@ -0,0 +1,40 @@
|
||||
echo '
|
||||
server {
|
||||
listen 127.0.0.1:65510;
|
||||
listen '${HTTP_PORT}' default_server;
|
||||
listen [::]:'${HTTP_PORT}' default_server;
|
||||
listen '${HTTPS_PORT}' ssl http2 default_server;
|
||||
listen [::]:'${HTTPS_PORT}' ssl http2 default_server;
|
||||
|
||||
ssl_certificate /etc/ssl/mail/cert.pem;
|
||||
ssl_certificate_key /etc/ssl/mail/key.pem;
|
||||
|
||||
server_name '${MAILCOW_HOSTNAME}' autodiscover.* autoconfig.*;
|
||||
|
||||
include /etc/nginx/conf.d/includes/site-defaults.conf;
|
||||
}
|
||||
';
|
||||
for cert_dir in /etc/ssl/mail/*/ ; do
|
||||
if [[ ! -f ${cert_dir}domains ]] || [[ ! -f ${cert_dir}cert.pem ]] || [[ ! -f ${cert_dir}key.pem ]]; then
|
||||
continue
|
||||
fi
|
||||
# remove hostname to not cause nginx warnings (hostname is covered in default server listen)
|
||||
domains="$(cat ${cert_dir}domains | sed -e "s/\(^\| \)\($(echo ${MAILCOW_HOSTNAME} | sed 's/\./\\./g')\)\( \|$\)/ /g" | sed -e 's/^[[:space:]]*//')"
|
||||
if [[ "${domains}" == "" ]]; then
|
||||
continue
|
||||
fi
|
||||
echo -n '
|
||||
server {
|
||||
listen '${HTTPS_PORT}' ssl http2;
|
||||
listen [::]:'${HTTPS_PORT}' ssl http2;
|
||||
|
||||
ssl_certificate '${cert_dir}'cert.pem;
|
||||
ssl_certificate_key '${cert_dir}'key.pem;
|
||||
';
|
||||
echo -n '
|
||||
server_name '${domains}';
|
||||
|
||||
include /etc/nginx/conf.d/includes/site-defaults.conf;
|
||||
}
|
||||
';
|
||||
done
|
||||
@ -5,6 +5,7 @@ biff = no
|
||||
append_dot_mydomain = no
|
||||
smtpd_tls_cert_file = /etc/ssl/mail/cert.pem
|
||||
smtpd_tls_key_file = /etc/ssl/mail/key.pem
|
||||
tls_server_sni_maps = hash:/opt/postfix/conf/sni.map
|
||||
smtpd_use_tls=yes
|
||||
smtpd_tls_received_header = yes
|
||||
smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
|
||||
@ -174,7 +175,7 @@ smtp_address_preference = ipv4
|
||||
smtp_sender_dependent_authentication = yes
|
||||
smtp_sasl_auth_enable = yes
|
||||
smtp_sasl_password_maps = proxy:mysql:/opt/postfix/conf/sql/mysql_sasl_passwd_maps_sender_dependent.cf
|
||||
smtp_sasl_security_options =
|
||||
smtp_sasl_security_options =
|
||||
smtp_sasl_mechanism_filter = plain, login
|
||||
smtp_tls_policy_maps=proxy:mysql:/opt/postfix/conf/sql/mysql_tls_policy_override_maps.cf
|
||||
smtp_header_checks = pcre:/opt/postfix/conf/anonymize_headers.pcre
|
||||
|
||||
@ -275,12 +275,10 @@ services:
|
||||
image: nginx:mainline-alpine
|
||||
dns:
|
||||
- ${IPV4_NETWORK:-172.22.1}.254
|
||||
command: /bin/sh -c "envsubst < /etc/nginx/conf.d/templates/listen_plain.template > /etc/nginx/conf.d/listen_plain.active &&
|
||||
envsubst < /etc/nginx/conf.d/templates/listen_ssl.template > /etc/nginx/conf.d/listen_ssl.active &&
|
||||
envsubst < /etc/nginx/conf.d/templates/server_name.template > /etc/nginx/conf.d/server_name.active &&
|
||||
envsubst < /etc/nginx/conf.d/templates/sogo.template > /etc/nginx/conf.d/sogo.active &&
|
||||
command: /bin/sh -c "envsubst < /etc/nginx/conf.d/templates/sogo.template > /etc/nginx/conf.d/sogo.active &&
|
||||
envsubst < /etc/nginx/conf.d/templates/sogo_eas.template > /etc/nginx/conf.d/sogo_eas.active &&
|
||||
. /etc/nginx/conf.d/templates/sogo.auth_request.template.sh > /etc/nginx/conf.d/sogo_proxy_auth.active &&
|
||||
. /etc/nginx/conf.d/templates/sites.template.sh > /etc/nginx/conf.d/sites.active &&
|
||||
nginx -qt &&
|
||||
until ping phpfpm -c1 > /dev/null; do sleep 1; done &&
|
||||
until ping sogo -c1 > /dev/null; do sleep 1; done &&
|
||||
@ -325,6 +323,7 @@ services:
|
||||
- DBUSER=${DBUSER}
|
||||
- DBPASS=${DBPASS}
|
||||
- SKIP_LETS_ENCRYPT=${SKIP_LETS_ENCRYPT:-n}
|
||||
- ENABLE_SSL_SNI=${ENABLE_SSL_SNI:-n}
|
||||
- SKIP_IP_CHECK=${SKIP_IP_CHECK:-n}
|
||||
- SKIP_HTTP_VERIFICATION=${SKIP_HTTP_VERIFICATION:-n}
|
||||
- ONLY_MAILCOW_HOSTNAME=${ONLY_MAILCOW_HOSTNAME:-n}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user