iguana-vpn

#!/bin/bash
# version="0.2"
#
# This is a rather minimal example Argbash potential
# Example taken from http://argbash.readthedocs.io/en/stable/example.html
#
# ARG_OPTIONAL_BOOLEAN([config],[c],[configure a vpn connection for openconnect with vpn-slice])
# ARG_OPTIONAL_BOOLEAN([run],[r],[run a vpn connection for openconnect])
# ARG_OPTIONAL_BOOLEAN([slice],[s],[enable vpn-slice])
# ARG_VERSION([echo v$version])
# ARG_HELP([The general script's help msg])
# ARGBASH_GO()
# needed because of Argbash --> m4_ignore([
### START OF CODE GENERATED BY Argbash v2.9.0 one line above ###
# Argbash is a bash code generator used to get arguments parsing right.
# Argbash is FREE SOFTWARE, see https://argbash.io for more info
# Generated online by https://argbash.io/generate


die()
{
        local _ret="${2:-1}"
        test "${_PRINT_HELP:-no}" = yes && print_help >&2
        echo "$1" >&2
        exit "${_ret}"
}


begins_with_short_option()
{
        local first_option all_short_options='crsvh'
        first_option="${1:0:1}"
        test "$all_short_options" = "${all_short_options/$first_option/}" && return 1 || return 0
}

# THE DEFAULTS INITIALIZATION - OPTIONALS
_arg_config="off"
_arg_run="off"
_arg_slice="off"


print_help()
{
        printf '%s\n' "The general script's help msg"
        printf 'Usage: %s [-c|--(no-)config] [-r|--(no-)run] [-s|--(no-)slice] [-v|--version] [-h|--help]\n' "$0"
        printf '\t%s\n' "-c, --config, --no-config: configure a vpn connection for openconnect with vpn-slice (off by default)"
        printf '\t%s\n' "-r, --run, --no-run: run a vpn connection for openconnect (off by default)"
        printf '\t%s\n' "-s, --slice, --no-slice: enable vpn-slice (off by default)"
        printf '\t%s\n' "-v, --version: Prints version"
        printf '\t%s\n' "-h, --help: Prints help"
}


parse_commandline()
{
        while test $# -gt 0
        do
                _key="$1"
                case "$_key" in
                        -c|--no-config|--config)
                                _arg_config="on"
                                test "${1:0:5}" = "--no-" && _arg_config="off"
                                ;;
                        -c*)
                                _arg_config="on"
                                _next="${_key##-c}"
                                if test -n "$_next" -a "$_next" != "$_key"
                                then
                                        { begins_with_short_option "$_next" && shift && set -- "-c" "-${_next}" "$@"; } || die "The short option '$_key' can't be decomposed to ${_key:0:2} and -${_key:2}, because ${_key:0:2} doesn't accept value and '-${_key:2:1}' doesn't correspond to a short option."
                                fi
                                ;;
                        -r|--no-run|--run)
                                _arg_run="on"
                                test "${1:0:5}" = "--no-" && _arg_run="off"
                                ;;
                        -r*)
                                _arg_run="on"
                                _next="${_key##-r}"
                                if test -n "$_next" -a "$_next" != "$_key"
                                then
                                        { begins_with_short_option "$_next" && shift && set -- "-r" "-${_next}" "$@"; } || die "The short option '$_key' can't be decomposed to ${_key:0:2} and -${_key:2}, because ${_key:0:2} doesn't accept value and '-${_key:2:1}' doesn't correspond to a short option."
                                fi
                                ;;
                        -s|--no-slice|--slice)
                                _arg_slice="on"
                                test "${1:0:5}" = "--no-" && _arg_slice="off"
                                ;;
                        -s*)
                                _arg_slice="on"
                                _next="${_key##-s}"
                                if test -n "$_next" -a "$_next" != "$_key"
                                then
                                        { begins_with_short_option "$_next" && shift && set -- "-s" "-${_next}" "$@"; } || die "The short option '$_key' can't be decomposed to ${_key:0:2} and -${_key:2}, because ${_key:0:2} doesn't accept value and '-${_key:2:1}' doesn't correspond to a short option."
                                fi
                                ;;
                        -v|--version)
                                echo v$version
                                exit 0
                                ;;
                        -v*)
                                echo v$version
                                exit 0
                                ;;
                        -h|--help)
                                print_help
                                exit 0
                                ;;
                        -h*)
                                print_help
                                exit 0
                                ;;
                        *)
                                _PRINT_HELP=yes die "FATAL ERROR: Got an unexpected argument '$1'" 1
                                ;;
                esac
                shift
        done
}

parse_commandline "$@"

# OTHER STUFF GENERATED BY Argbash

### END OF CODE GENERATED BY Argbash (sortof) ### ])
# [ <-- needed because of Argbash

DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
if [ "$_arg_config" = "on" ]; then
    bash $DIR/lib/config.sh
elif [ "$_arg_run" = "on" ]; then
    sudo -- sh -c 'exit' # prewarm sudo

    if [[ "$_arg_slice" == "on" ]]; then
        echo ">>> enabling vpn slice"
        export WITH_VPNSLICE=true
    fi
    $DIR/lib/run.sh
else
    print_help
fi

# ] <-- needed because of Argbash