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mainframed/dosbox_ppp.sh

Last active March 11, 2025 04:30
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  1. mainframed revised this gist Aug 21, 2017. 1 changed file with 1 addition and 1 deletion.
    2 changes: 1 addition & 1 deletion dosbox_ppp.sh
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    Original file line number Diff line number Diff line change
    @@ -10,7 +10,7 @@
    #
    # LINUX:
    # To use this script simply change the IP addresses below to two unused IP addresses on your network
    # then run with root (needed for port 23)/proxyarp
    # then run with root (needed for port 23/proxyarp)
    #
    # WINDOWS 3.11:
    # Install Trumpet Winsock
  2. mainframed created this gist Aug 21, 2017.
    76 changes: 76 additions & 0 deletions dosbox_ppp.sh
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    @@ -0,0 +1,76 @@
    #!/bin/bash
    #
    # Heavily Modified from: https://www.dosbox.com/wiki/PPP_configuration_on_linux_host
    #
    # Usage:
    # sudo ./isp.sh
    #
    # This script makes it so you can browse the net with DOSBox and Trumpet Winsock in
    # Windows 3.11
    #
    # LINUX:
    # To use this script simply change the IP addresses below to two unused IP addresses on your network
    # then run with root (needed for port 23)/proxyarp
    #
    # WINDOWS 3.11:
    # Install Trumpet Winsock
    # Click on 'Dialer->Manual Login'
    # Type: AT (if you see 'ERROR' type AT again)
    # ATDT <LINUX IP ADDRESS>
    # e.g. ATDT 10.10.10.10
    # You should see 'CONNECT'
    # Hit the Escape button and your good to go!
    #
    # DOSBox Config:
    # Add this to the bottom of your config
    # [serial]
    # serial1=modem listenport:2323
    # serial2=dummy
    # serial3=disabled
    # serial4=disabled
    #

    grep -q 1 /proc/sys/net/ipv4/ip_forward || \
    ( echo 1 1>/proc/sys/net/ipv4/ip_forward )

    # trap ctrl-c and call ctrl_c()
    trap ctrl_c INT

    function ctrl_c() {
    echo "** Trapped CTRL-C"
    echo "** Shutting down ISP"
    echo "** Goodbye 1995"
    pkill -9 pppd
    [ -e "$Serial" ] && rm "$Serial"
    exit 0
    }

    echo "SoF Presents:"
    echo " 1995 ISP Simulator"
    echo "Starting Simulator:"
    echo " ____ _______ _____ _______ -------
    / __ \ |__ __| / _ \ |__ __| -====------
    | (__) | | | \ \ \_\ | | -======------
    | __ | | | / \ __ | | --====-------
    | | | | | | | (\ / / | | -----------
    |_| |_| |_| \_____/ |_| -------"
    echo "** Creating fake ISP"
    echo "** Using Serial /tmp/trumpet"

    while true
    do
    if sleep 0.1 && pgrep socat > /dev/null 2>&1
    then
    sleep 0.1
    else
    echo "** Starting socat listener on port 23"
    socat TCP4-LISTEN:23 PTY,link="/tmp/trumpet" &
    fi
    sleep 0.5
    if pgrep pppd > /dev/null 2>&1
    then
    sleep 1
    else
    pppd "/tmp/trumpet" defaultroute mtu 576 10.10.0.200:10.10.0.201 login proxyarp > /dev/null 2>&1
    fi
    done