ECNU Connect Internet CLI

connect-internet

#!/bin/bash

# Connect ECNU Internet via command line
# Author: cubercsl <2014cais01 at gmail dot com>
# Licensed under Do What The F*ck You Want To Public License (WTFPL)

set -eo pipefail

usage() {
    echo "connect-internet [-f file | username [password]]"
    exit 1
}

[ $# -ge 3 ] && usage

if [[ "$1" == "-f" ]]; then
    if [ -f "$2" ] && [ -r "$2" ]; then
        . $2
        password=$(echo $password | base64 -d)
    else
        usage
    fi

else
    username=${1:-$ECNU_USERNAME}
    # not recommanded
    password=${2:-$ECNU_PASSWORD}
fi

[[ "$username" == "" ]] && read -p  'Username: ' username
[[ "$password" == "" ]] && read -sp 'Password: ' password && echo ""

data="action=login&username=${username}&password=${password}&ac_id=1&ajax=1"
auth_url="https://login.ecnu.edu.cn/include/auth_action.php"

# Temporarily fix TLS handshake failed "dh key too small" since openssl upgrade
# See: https://bugs.launchpad.net/ubuntu/+source/openssl/+bug/1864689
curl --ciphers 'DEFAULT:@SECLEVEL=1' \
    -d $data $auth_url && echo ""

#vim: set ts=4 sw=4 et: