docker-ftps/rootfs/app/entrypoint.sh

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#!/bin/sh
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############ CREATE DIRS
mkdir -p /auth /logs
chown proftpd /auth /logs
chmod u+rw /auth /logs
chmod g-w /auth /logs
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############ MASQUERADE
MASQUERADE=${MASQUERADE:-127.0.0.1}
echo "MasqueradeAddress ${MASQUERADE}" > /etc/proftpd/conf.d/masquerade.conf
############ AUTH
[ ! -f /auth/passwd ] && touch /auth/passwd
chmod 0600 /auth/passwd
chmod 0700 /auth
############ PASSIVE PORTS
PASSIVEPORTS_START=${PASSIVEPORTS_START:-50000}
PASSIVEPORTS_END=${PASSIVEPORTS_END:-50050}
echo "PassivePorts ${PASSIVEPORTS_START} ${PASSIVEPORTS_END}" > /etc/proftpd/conf.d/passive_ports.conf
############ MAX CLIENTS
MAXCLIENTS=${MAXCLIENTS:-30}
MAXCLIENTSPERHOST=${MAXCLIENTSPERHOST:-5}
echo "Maxclients ${MAXCLIENTS}" > /etc/proftpd/conf.d/maxclients.conf
echo "MaxClientsPerHost ${MAXCLIENTSPERHOST}" >> /etc/proftpd/conf.d/maxclients.conf
############ CERT INIT
ENABLE_ACME=${ENABLE_ACME:-no}
if [ "$ENABLE_ACME" = "1" ] ; then
/app/acme-cert-init.sh
else
/app/cert-init.sh
fi
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############ INIT DB if needed
SQLITE_AUTH=${SQLITE_AUTH:-no}
if [ "$SQLITE_AUTH" = "1" ] ; then
if [ ! -f /auth/ftpd.db ] ; then
sqlite3 /auth/ftpd.db < /app/init.sql
fi
fi
############ GENERATE RANDOM PASSWORD FOR HEALTHCHECK
head /dev/urandom | tr -dc A-Za-z0-9 | head -c 20 > /app/healthcheck.pwd
chmod 600 /app/healthcheck.pwd
############ UPDATE HEALTHCHECK CREDS
HEALTHCHECK_UID=1999
mkdir -p /home/healthcheck
chown ${HEALTHCHECK_UID}:${HEALTHCHECK_UID} /home/healthcheck
if [ "$SQLITE_AUTH" = "1" ] ; then
PASSWD_SHA=$(cat /app/healthcheck.pwd | mkpasswd -m sha512)
sqlite3 /auth/ftpd.db <<EOF
INSERT OR IGNORE INTO users (userid,passwd,uid,gid,homedir,shell) VALUES ('healthcheck','',${HEALTHCHECK_UID},${HEALTHCHECK_UID},'/home/healthcheck','/bin/false');
INSERT OR IGNORE INTO groups (groupname,gid,members) VALUES ('healthcheck',${HEALTHCHECK_UID},'healthcheck');
UPDATE users SET passwd='$PASSWD_SHA' WHERE userid='healthcheck';
EOF
else
cat /app/healthcheck.pwd | ftpasswd --stdin --passwd --name=healthcheck \
--uid=${HEALTHCHECK_UID} \
--home=/home/healthcheck --sha512 --shell=/bin/false --file=/auth/passwd
fi
############ CONFIGURE AUTH
if [ "$SQLITE_AUTH" = "1" ] ; then
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echo "AuthOrder mod_sql.c" > /etc/proftpd/conf.d/auth.conf
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else
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echo "AuthOrder mod_auth_file.c" > /etc/proftpd/conf.d/auth.conf
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fi
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############ START CRON
crond -b
############ START
proftpd -n