mailcow/data/Dockerfiles/dovecot/docker-entrypoint.sh

415 lines
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Executable File

#!/bin/bash
set -e
# Wait for MySQL to warm-up
while ! mysqladmin status --socket=/var/run/mysqld/mysqld.sock -u${DBUSER} -p${DBPASS} --silent; do
echo "Waiting for database to come up..."
sleep 2
done
until dig +short mailcow.email > /dev/null; do
echo "Waiting for DNS..."
sleep 1
done
# Do not attempt to write to slave
if [[ ! -z ${REDIS_SLAVEOF_IP} ]]; then
REDIS_CMDLINE="redis-cli -h ${REDIS_SLAVEOF_IP} -p ${REDIS_SLAVEOF_PORT}"
else
REDIS_CMDLINE="redis-cli -h redis -p 6379"
fi
until [[ $(${REDIS_CMDLINE} PING) == "PONG" ]]; do
echo "Waiting for Redis..."
sleep 2
done
${REDIS_CMDLINE} SET DOVECOT_REPL_HEALTH 1 > /dev/null
# Create missing directories
[[ ! -d /etc/dovecot/sql/ ]] && mkdir -p /etc/dovecot/sql/
[[ ! -d /etc/dovecot/lua/ ]] && mkdir -p /etc/dovecot/lua/
[[ ! -d /var/vmail/_garbage ]] && mkdir -p /var/vmail/_garbage
[[ ! -d /var/vmail/sieve ]] && mkdir -p /var/vmail/sieve
[[ ! -d /etc/sogo ]] && mkdir -p /etc/sogo
[[ ! -d /var/volatile ]] && mkdir -p /var/volatile
# Set Dovecot sql config parameters, escape " in db password
DBPASS=$(echo ${DBPASS} | sed 's/"/\\"/g')
# Create quota dict for Dovecot
if [[ "${MASTER}" =~ ^([yY][eE][sS]|[yY])+$ ]]; then
QUOTA_TABLE=quota2
else
QUOTA_TABLE=quota2replica
fi
cat <<EOF > /etc/dovecot/sql/dovecot-dict-sql-quota.conf
# Autogenerated by mailcow
connect = "host=/var/run/mysqld/mysqld.sock dbname=${DBNAME} user=${DBUSER} password=${DBPASS}"
map {
pattern = priv/quota/storage
table = ${QUOTA_TABLE}
username_field = username
value_field = bytes
}
map {
pattern = priv/quota/messages
table = ${QUOTA_TABLE}
username_field = username
value_field = messages
}
EOF
# Create dict used for sieve pre and postfilters
cat <<EOF > /etc/dovecot/sql/dovecot-dict-sql-sieve_before.conf
# Autogenerated by mailcow
connect = "host=/var/run/mysqld/mysqld.sock dbname=${DBNAME} user=${DBUSER} password=${DBPASS}"
map {
pattern = priv/sieve/name/\$script_name
table = sieve_before
username_field = username
value_field = id
fields {
script_name = \$script_name
}
}
map {
pattern = priv/sieve/data/\$id
table = sieve_before
username_field = username
value_field = script_data
fields {
id = \$id
}
}
EOF
cat <<EOF > /etc/dovecot/sql/dovecot-dict-sql-sieve_after.conf
# Autogenerated by mailcow
connect = "host=/var/run/mysqld/mysqld.sock dbname=${DBNAME} user=${DBUSER} password=${DBPASS}"
map {
pattern = priv/sieve/name/\$script_name
table = sieve_after
username_field = username
value_field = id
fields {
script_name = \$script_name
}
}
map {
pattern = priv/sieve/data/\$id
table = sieve_after
username_field = username
value_field = script_data
fields {
id = \$id
}
}
EOF
echo -n ${ACL_ANYONE} > /etc/dovecot/acl_anyone
if [[ "${SKIP_SOLR}" =~ ^([yY][eE][sS]|[yY])+$ ]]; then
echo -n 'quota acl zlib mail_crypt mail_crypt_acl mail_log notify listescape replication' > /etc/dovecot/mail_plugins
echo -n 'quota imap_quota imap_acl acl zlib imap_zlib imap_sieve mail_crypt mail_crypt_acl notify listescape replication mail_log' > /etc/dovecot/mail_plugins_imap
echo -n 'quota sieve acl zlib mail_crypt mail_crypt_acl notify listescape replication' > /etc/dovecot/mail_plugins_lmtp
else
echo -n 'quota acl zlib mail_crypt mail_crypt_acl mail_log notify fts fts_solr listescape replication' > /etc/dovecot/mail_plugins
echo -n 'quota imap_quota imap_acl acl zlib imap_zlib imap_sieve mail_crypt mail_crypt_acl notify mail_log fts fts_solr listescape replication' > /etc/dovecot/mail_plugins_imap
echo -n 'quota sieve acl zlib mail_crypt mail_crypt_acl fts fts_solr notify listescape replication' > /etc/dovecot/mail_plugins_lmtp
fi
chmod 644 /etc/dovecot/mail_plugins /etc/dovecot/mail_plugins_imap /etc/dovecot/mail_plugins_lmtp /templates/quarantine.tpl
cat <<EOF > /etc/dovecot/sql/dovecot-dict-sql-userdb.conf
# Autogenerated by mailcow
driver = mysql
connect = "host=/var/run/mysqld/mysqld.sock dbname=${DBNAME} user=${DBUSER} password=${DBPASS}"
user_query = SELECT CONCAT(JSON_UNQUOTE(JSON_VALUE(attributes, '$.mailbox_format')), mailbox_path_prefix, '%d/%n/${MAILDIR_SUB}:VOLATILEDIR=/var/volatile/%u:INDEX=/var/vmail_index/%u') AS mail, '%s' AS protocol, 5000 AS uid, 5000 AS gid, concat('*:bytes=', quota) AS quota_rule FROM mailbox WHERE username = '%u' AND (active = '1' OR active = '2')
iterate_query = SELECT username FROM mailbox WHERE active = '1' OR active = '2';
EOF
cat <<EOF > /etc/dovecot/lua/passwd-verify.lua
function auth_password_verify(req, pass)
if req.domain == nil then
return dovecot.auth.PASSDB_RESULT_USER_UNKNOWN, "No such user"
end
if cur == nil then
script_init()
end
if req.user == nil then
req.user = ''
end
respbody = {}
-- check against mailbox passwds
local cur,errorString = con:execute(string.format([[SELECT password FROM mailbox
WHERE username = '%s'
AND active = '1'
AND domain IN (SELECT domain FROM domain WHERE domain='%s' AND active='1')
AND IFNULL(JSON_UNQUOTE(JSON_VALUE(mailbox.attributes, '$.force_pw_update')), 0) != '1'
AND IFNULL(JSON_UNQUOTE(JSON_VALUE(attributes, '$.%s_access')), 1) = '1']], con:escape(req.user), con:escape(req.domain), con:escape(req.service)))
local row = cur:fetch ({}, "a")
while row do
if req.password_verify(req, row.password, pass) == 1 then
cur:close()
con:execute(string.format([[REPLACE INTO sasl_log (service, app_password, username, real_rip)
VALUES ("%s", 0, "%s", "%s")]], con:escape(req.service), con:escape(req.user), con:escape(req.real_rip)))
return dovecot.auth.PASSDB_RESULT_OK, "password=" .. pass
end
row = cur:fetch (row, "a")
end
-- check against app passwds for imap and smtp
-- app passwords are only available for imap and smtp in dovecot
if req.service == "smtp" or req.service == "imap" then
local cur,errorString = con:execute(string.format([[SELECT app_passwd.id, app_passwd.imap_access, app_passwd.smtp_access, app_passwd.password FROM app_passwd
INNER JOIN mailbox ON mailbox.username = app_passwd.mailbox
WHERE mailbox = '%s'
AND app_passwd.%s_access = '1'
AND app_passwd.active = '1'
AND mailbox.active = '1'
AND app_passwd.domain IN (SELECT domain FROM domain WHERE domain='%s' AND active='1')]], con:escape(req.user), con:escape(req.service), con:escape(req.domain)))
local row = cur:fetch ({}, "a")
while row do
if req.password_verify(req, row.password, pass) == 1 then
cur:close()
con:execute(string.format([[REPLACE INTO sasl_log (service, app_password, username, real_rip)
VALUES ("%s", %d, "%s", "%s")]], con:escape(req.service), row.id, con:escape(req.user), con:escape(req.real_rip)))
return dovecot.auth.PASSDB_RESULT_OK, "password=" .. pass
end
row = cur:fetch (row, "a")
end
end
return dovecot.auth.PASSDB_RESULT_PASSWORD_MISMATCH, "Failed to authenticate"
-- PoC
-- local reqbody = string.format([[{
-- "success":0,
-- "service":"%s",
-- "app_password":false,
-- "username":"%s",
-- "real_rip":"%s"
-- }]], con:escape(req.service), con:escape(req.user), con:escape(req.real_rip))
-- http.request {
-- method = "POST",
-- url = "http://nginx:8081/sasl_log.php",
-- source = ltn12.source.string(reqbody),
-- headers = {
-- ["content-type"] = "application/json",
-- ["content-length"] = tostring(#reqbody)
-- },
-- sink = ltn12.sink.table(respbody)
-- }
end
function auth_passdb_lookup(req)
return dovecot.auth.PASSDB_RESULT_USER_UNKNOWN, ""
end
function script_init()
mysql = require "luasql.mysql"
http = require "socket.http"
http.TIMEOUT = 5
ltn12 = require "ltn12"
env = mysql.mysql()
con = env:connect("__DBNAME__","__DBUSER__","__DBPASS__","localhost")
return 0
end
function script_deinit()
con:close()
env:close()
end
EOF
# Replace patterns in app-passdb.lua
sed -i "s/__DBUSER__/${DBUSER}/g" /etc/dovecot/lua/passwd-verify.lua
sed -i "s/__DBPASS__/${DBPASS}/g" /etc/dovecot/lua/passwd-verify.lua
sed -i "s/__DBNAME__/${DBNAME}/g" /etc/dovecot/lua/passwd-verify.lua
# Migrate old sieve_after file
[[ -f /etc/dovecot/sieve_after ]] && mv /etc/dovecot/sieve_after /etc/dovecot/global_sieve_after
# Create global sieve scripts
cat /etc/dovecot/global_sieve_after > /var/vmail/sieve/global_sieve_after.sieve
cat /etc/dovecot/global_sieve_before > /var/vmail/sieve/global_sieve_before.sieve
# Check permissions of vmail/index/garbage directories.
# Do not do this every start-up, it may take a very long time. So we use a stat check here.
if [[ $(stat -c %U /var/vmail/) != "vmail" ]] ; then chown -R vmail:vmail /var/vmail ; fi
if [[ $(stat -c %U /var/vmail/_garbage) != "vmail" ]] ; then chown -R vmail:vmail /var/vmail/_garbage ; fi
if [[ $(stat -c %U /var/vmail_index) != "vmail" ]] ; then chown -R vmail:vmail /var/vmail_index ; fi
# Cleanup random user maildirs
rm -rf /var/vmail/mailcow.local/*
# Cleanup PIDs
[[ -f /tmp/quarantine_notify.pid ]] && rm /tmp/quarantine_notify.pid
# 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=$(cat /dev/urandom | tr -dc 'a-z0-9' | fold -w 16 | head -n 1)
RAND_PASS=$(cat /dev/urandom | tr -dc 'a-z0-9' | fold -w 24 | head -n 1)
if [[ ! -z ${DOVECOT_MASTER_USER} ]] && [[ ! -z ${DOVECOT_MASTER_PASS} ]]; then
RAND_USER=${DOVECOT_MASTER_USER}
RAND_PASS=${DOVECOT_MASTER_PASS}
fi
echo ${RAND_USER}@mailcow.local:{SHA1}$(echo -n ${RAND_PASS} | sha1sum | awk '{print $1}'):::::: > /etc/dovecot/dovecot-master.passwd
echo ${RAND_USER}@mailcow.local::5000:5000:::: > /etc/dovecot/dovecot-master.userdb
echo ${RAND_USER}@mailcow.local:${RAND_PASS} > /etc/sogo/sieve.creds
if [[ -z ${MAILDIR_SUB} ]]; then
MAILDIR_SUB_SHARED=
else
MAILDIR_SUB_SHARED=/${MAILDIR_SUB}
fi
cat <<EOF > /etc/dovecot/shared_namespace.conf
# Autogenerated by mailcow
namespace {
type = shared
separator = /
prefix = Shared/%%u/
location = maildir:%%h${MAILDIR_SUB_SHARED}:INDEX=~${MAILDIR_SUB_SHARED}/Shared/%%u
subscriptions = no
list = children
}
EOF
cat <<EOF > /etc/dovecot/sogo_trusted_ip.conf
# Autogenerated by mailcow
remote ${IPV4_NETWORK}.248 {
disable_plaintext_auth = no
}
EOF
# Create random master Password for SOGo SSO
RAND_PASS=$(cat /dev/urandom | tr -dc 'a-z0-9' | fold -w 32 | head -n 1)
echo -n ${RAND_PASS} > /etc/phpfpm/sogo-sso.pass
cat <<EOF > /etc/dovecot/sogo-sso.conf
# Autogenerated by mailcow
passdb {
driver = static
args = allow_real_nets=${IPV4_NETWORK}.248/32 password={plain}${RAND_PASS}
}
EOF
if [[ "${MASTER}" =~ ^([nN][oO]|[nN])+$ ]]; then
# Toggling MASTER will result in a rebuild of containers, so the quota script will be recreated
cat <<'EOF' > /usr/local/bin/quota_notify.py
#!/usr/bin/python3
import sys
sys.exit()
EOF
fi
# 401 is user dovecot
if [[ ! -s /mail_crypt/ecprivkey.pem || ! -s /mail_crypt/ecpubkey.pem ]]; then
openssl ecparam -name prime256v1 -genkey | openssl pkey -out /mail_crypt/ecprivkey.pem
openssl pkey -in /mail_crypt/ecprivkey.pem -pubout -out /mail_crypt/ecpubkey.pem
chown 401 /mail_crypt/ecprivkey.pem /mail_crypt/ecpubkey.pem
else
chown 401 /mail_crypt/ecprivkey.pem /mail_crypt/ecpubkey.pem
fi
# Compile sieve scripts
sievec /var/vmail/sieve/global_sieve_before.sieve
sievec /var/vmail/sieve/global_sieve_after.sieve
sievec /usr/lib/dovecot/sieve/report-spam.sieve
sievec /usr/lib/dovecot/sieve/report-ham.sieve
# Fix permissions
chown root:root /etc/dovecot/sql/*.conf
chown root:dovecot /etc/dovecot/sql/dovecot-dict-sql-sieve* /etc/dovecot/sql/dovecot-dict-sql-quota* /etc/dovecot/lua/passwd-verify.lua
chmod 640 /etc/dovecot/sql/*.conf /etc/dovecot/lua/passwd-verify.lua
chown -R vmail:vmail /var/vmail/sieve
chown -R vmail:vmail /var/volatile
chown -R vmail:vmail /var/vmail_index
adduser vmail tty
chmod g+rw /dev/console
chown root:tty /dev/console
chmod +x /usr/lib/dovecot/sieve/rspamd-pipe-ham \
/usr/lib/dovecot/sieve/rspamd-pipe-spam \
/usr/local/bin/imapsync_runner.pl \
/usr/local/bin/imapsync \
/usr/local/bin/trim_logs.sh \
/usr/local/bin/sa-rules.sh \
/usr/local/bin/clean_q_aged.sh \
/usr/local/bin/maildir_gc.sh \
/usr/local/sbin/stop-supervisor.sh \
/usr/local/bin/quota_notify.py \
/usr/local/bin/repl_health.sh
# Prepare environment file for cronjobs
printenv | sed 's/^\(.*\)$/export \1/g' > /source_env.sh
# Clean old PID if any
[[ -f /var/run/dovecot/master.pid ]] && rm /var/run/dovecot/master.pid
# Clean stopped imapsync jobs
rm -f /tmp/imapsync_busy.lock
IMAPSYNC_TABLE=$(mysql --socket=/var/run/mysqld/mysqld.sock -u ${DBUSER} -p${DBPASS} ${DBNAME} -e "SHOW TABLES LIKE 'imapsync'" -Bs)
[[ ! -z ${IMAPSYNC_TABLE} ]] && mysql --socket=/var/run/mysqld/mysqld.sock -u ${DBUSER} -p${DBPASS} ${DBNAME} -e "UPDATE imapsync SET is_running='0'"
# Envsubst maildir_gc
echo "$(envsubst < /usr/local/bin/maildir_gc.sh)" > /usr/local/bin/maildir_gc.sh
# GUID generation
while [[ ${VERSIONS_OK} != 'OK' ]]; do
if [[ ! -z $(mysql --socket=/var/run/mysqld/mysqld.sock -u ${DBUSER} -p${DBPASS} ${DBNAME} -B -e "SELECT 'OK' FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA = \"${DBNAME}\" AND TABLE_NAME = 'versions'") ]]; then
VERSIONS_OK=OK
else
echo "Waiting for versions table to be created..."
sleep 3
fi
done
PUBKEY_MCRYPT=$(doveconf -P 2> /dev/null | grep -i mail_crypt_global_public_key | cut -d '<' -f2)
if [ -f ${PUBKEY_MCRYPT} ]; then
GUID=$(cat <(echo ${MAILCOW_HOSTNAME}) /mail_crypt/ecpubkey.pem | sha256sum | cut -d ' ' -f1 | tr -cd "[a-fA-F0-9.:/] ")
if [ ${#GUID} -eq 64 ]; then
mysql --socket=/var/run/mysqld/mysqld.sock -u ${DBUSER} -p${DBPASS} ${DBNAME} << EOF
REPLACE INTO versions (application, version) VALUES ("GUID", "${GUID}");
EOF
else
mysql --socket=/var/run/mysqld/mysqld.sock -u ${DBUSER} -p${DBPASS} ${DBNAME} << EOF
REPLACE INTO versions (application, version) VALUES ("GUID", "INVALID");
EOF
fi
fi
# Collect SA rules once now
/usr/local/bin/sa-rules.sh
# Run hooks
for file in /hooks/*; do
if [ -x "${file}" ]; then
echo "Running hook ${file}"
"${file}"
fi
done
# For some strange, unknown and stupid reason, Dovecot may run into a race condition, when this file is not touched before it is read by dovecot/auth
# May be related to something inside Docker, I seriously don't know
touch /etc/dovecot/lua/passwd-verify.lua
exec "$@"