#!/bin/sh

# This file was created with portions of the original SysV init script shipped 
# with hsqldb

# Copyright (c) 2001-2004, The HSQL Development Group
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# Redistributions of source code must retain the above copyright notice, this
# list of conditions and the following disclaimer.
#
# Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
# Neither the name of the HSQL Development Group nor the names of its
# contributors may be used to endorse or promote products derived from this
# software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL HSQL DEVELOPMENT GROUP, HSQLDB.ORG,
# OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.


# Class in the org.hsqldb package to start.
# At this time, only the values "Server" or "WebServer" will work.
TARGET_CLASS=Server

. /etc/sysconfig/hsqldb

# Suffix delimiter to $SERVER_ADDL_CLASSPATH, if it is set.
[ -n "$SERVER_ADDL_CLASSPATH" ] &&
SERVER_ADDL_CLASSPATH="${SERVER_ADDL_CLASSPATH}:"
# Validate that config file sets all required variables.
[ -n "$JAVA_EXECUTABLE" ] && [ -n "$HSQLDB_JAR_PATH" ] &&
[ -n "$SERVER_HOME" ] || {
    echo "Config file '$CFGFILE' does not set one or more of following variables
    JAVA_EXECUTABLE, HSQLDB_JAR_PATH, SERVER_HOME" 1>&2
    exit 2
}
[ -d "$SERVER_HOME" ] || {
    echo "SERVER_HOME variable in '$CFGFILE' is set to a non-directory." 1>&2
    exit 2
}
[ -f "$JAVA_EXECUTABLE" ] && [ -f "$HSQLDB_JAR_PATH" ] || {
    echo "JAVA_EXECUTABLE or HSQLDB_JAR_PATH in '$CFGFILE' is set to a non-file." 1>&2
    exit 2
}
[ -r "$HSQLDB_JAR_PATH" ] || {
    echo "'$HSQLDB_JAR_PATH' isn't readable" 1>&2
    exit 2
}
[ -x "$JAVA_EXECUTABLE" ] || {
    echo "No Java executable found at '$JAVA_EXECUTABLE'" 1>&2
    exit 2
}

# Make a good effort (but not bullet-proof) check on permissions of the
# auth file.  Unfortunately, if auth-file is not specified, this depends
# upon both (a) $HOME being set; and (b) SqlToolSprayer and SqlTool defaults.
# On the other hand, it works great if AUTH_FILE is set explicitly by user.
if [ -z "$AUTH_FILE" ] && [ -z "$HOME" ]; then
    : # Lousy init environment didn't set $HOME, so can't find dflt cfg file.
else
    _AUTH_TEST_PATH="$AUTH_FILE"
    [ -n "${_AUTH_TEST_PATH}" ] || _AUTH_TEST_PATH="$HOME/sqltool.rc"
    [ -f "$_AUTH_TEST_PATH" ] || {
        echo "No auth file found at '$_AUTH_TEST_PATH'" 1>&2
        exit 2
    }
    [ -r "$_AUTH_TEST_PATH" ] || {
        echo "Auth file '$_AUTH_TEST_PATH' not readable" 1>&2
        exit 2
    }
    ls -ld "$_AUTH_TEST_PATH" | grep '^-..------' > /dev/null 2>&1 || {
        echo "Fix permissions on '$_AUTH_TEST_PATH' like 'chmod 600 $_AUTH_TEST_PATH'" 1>&2
        exit 2
    }
fi

TLS_SWITCHES=
[ -n "$TLS_KEYSTORE" ] &&
TLS_SWITCHES="-Djavax.net.ssl.keyStore=$TLS_KEYSTORE -Djavax.net.ssl.keyStorePassword=$TLS_PASSWORD"

cd "$SERVER_HOME" &&
exec "$JAVA_EXECUTABLE" $SERVER_JVMARGS $TLS_SWITCHES -classpath "${SERVER_ADDL_CLASSPATH}${HSQLDB_JAR_PATH}" org.hsqldb.util.MainInvoker org.hsqldb.$TARGET_CLASS $INVOC_ADDL_ARGS
