#!/bin/sh

# I2P Installer - Installs and pre-configures I2P.
#
# install_i2p_service_unix
# 2004 The I2P Project
# http://www.i2p.net
# This code is public domain.
#
# author: hypercubus
#
# Installs I2P as a service on various *nix systems using Wrapper. This script
# must be run as root.
#
# Wrapper can be found at:
# http://wrapper.tanukisoftware.org/doc/english/introduction.html

if [ $UID -ne 0 ]; then
    echo 'Sorry, you need root privileges to install services.'
    exit 1
fi

HOST_OS=`uname -a`
if [ ! '$HOST_OS' ]; then
    echo 'Cannot determine operating system type. Aborting service installation.'
    exit 1
fi

# The following are several different service installation methods covering some
# of the major *nix operating systems. Most *nix OSes should be able to use one
# of these styles. TODO: AIX, HP-UX, HP-UX/64, IRIX, OSF/1.

install_bsd()
{
    ln -sf `pwd`/i2psvc /usr/local/etc/rc.d/i2psvc.sh
}

install_debian()
{
    ln -sf `pwd`/i2psvc /etc/init.d/i2psvc
    update-rc.d i2psvc start 20 2 3 4 5 . stop 20 0 1 6 .
}

install_gentoo()
{
    ln -sf `pwd`/i2psvc /etc/init.d/i2psvc
    rc-update add i2psvc default
}

install_redhat()
{
    ln -sf `pwd`/i2psvc /etc/rc.d/init.d/i2psvc
    chkconfig --level 345 i2psvc on
}

install_sysv()
{
    ln -sf `pwd`/i2psvc /etc/init.d/i2psvc
    ln -sf /etc/init.d/i2psvc /etc/rc0.d/K20i2psvc
    ln -sf /etc/init.d/i2psvc /etc/rc1.d/K20i2psvc
    ln -sf /etc/init.d/i2psvc /etc/rc2.d/S20i2psvc
    ln -sf /etc/init.d/i2psvc /etc/rc3.d/S20i2psvc
}

if [[ `echo "$HOST_OS" | grep Darwin` || `echo "$HOST_OS" | grep Macintosh` ]]; then
    install_bsd
    exit 0
fi

if [[ `echo "$HOST_OS" | grep FreeBSD` ]]; then
    install_bsd
    exit 0
fi

if [[ `echo "$HOST_OS" | grep Linux` ]]; then

    LINUX_DISTRO=`cat /proc/version`

    if [[ `echo "$LINUX_DISTRO" | grep Debian` ]]; then
        install_debian
        exit 0
    fi

    if [[ `echo "$LINUX_DISTRO" | grep Fedora` ]]; then
        install_redhat
        exit 0
    fi

    if [[ `echo "$LINUX_DISTRO" | grep Gentoo` ]]; then
        install_gentoo
        exit 0
    fi

    if [[ `echo "$LINUX_DISTRO" | grep Mandrake` ]]; then
        install_redhat
        exit 0
    fi

    if [[ `echo "$LINUX_DISTRO" | grep "Red Hat"` ]]; then
        install_redhat
        exit 0
    fi

    if [[ `echo "$LINUX_DISTRO" | grep Suse` ]]; then
        install_redhat
        exit 0
    fi
fi

if [[ `echo "$HOST_OS" | grep Solaris` ]]; then
    install_sysv()
    exit 0
fi

echo 'Cannot determine operating system type. Aborting service installation.'
exit 1