sql auth and healthcheck

rootfs/app/entrypoint.sh

@@ -29,6 +29,42 @@ else
   /app/cert-init.sh
 fi
 
+############ 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
+  echo "AuthOrder mod_sql.c" > /etc/prodtpd/conf.d/auth.conf
+else
+  echo "AuthOrder mod_auth_file.c" > /etc/prodtpd/conf.d/auth.conf
+fi
+
 ############ START CRON
 crond -b
 

rootfs/app/healthcheck.sh

@@ -0,0 +1,7 @@
+#!/bin/sh
+
+USER=healthcheck
+LFTP_PASSWORD=$(cat /app/healthcheck.pwd)
+
+lftp -e "set ssl-allow true; set ftp:ssl-force true; set ftp:passive-mode true;set ssl:verify-certificate false;open -u ${USER},${LFTP_PASSWORD} ftp://127.0.0.1; ls ; bye" > /dev/null
+echo $?

rootfs/app/init.sql

@@ -0,0 +1,14 @@
+CREATE TABLE `users` (
+  userid VARCHAR(30) NOT NULL UNIQUE,
+  passwd VARCHAR(80) NOT NULL,
+  uid INTEGER UNIQUE,
+  gid INTEGER,
+  homedir VARCHAR(255),
+  shell VARCHAR(255), 
+  last_accessed DATETIME
+);
+CREATE TABLE `groups` (
+  groupname VARCHAR(30) NOT NULL UNIQUE,
+  gid INTEGER NOT NULL,
+  members VARCHAR(255)
+);

rootfs/etc/proftpd/conf.d/custom.conf

@@ -1,4 +1,3 @@
-AuthOrder mod_auth_file.c
 AuthUserFile /auth/passwd
 RequireValidShell off
 ScoreBoardFile /run/proftpd/scoreboard
@@ -23,4 +22,28 @@ DefaultRoot ~
   DelayTable /run/proftpd/proftpd.delay
 </IfModule>
 
+<IfModule mod_deflate.c>
+  DeflateEngine on
+</IfModule>
+
+<IfModule mod_sql.c>
+<IfModule mod_sql_sqlite.c>
+  SQLBackend sqlite3
+  SQLConnectInfo /auth/ftpd.db
+  SQLEngine On
+  SQLAuthenticate users
+  SQLAuthTypes OpenSSL Crypt
+  SQLUserInfo  users userid passwd uid gid homedir shell
+  SQLGroupInfo groups groupname gid members
+
+  SQLNamedQuery last_accessed UPDATE "last_accessed = DATETIME('now') WHERE userid='%u'" users
+  SQLLog PASS last_accessed
+  SQLMinId 33
+  SQLDefaultUID 33
+  SQLDefaultGID 33
+
+  RequireValidShell off
+</IfModule>
+</IfModule>
+
 Include /etc/proftpd/custom.conf.d/