diff options
Diffstat (limited to 'retiolum/scripts/tinc_setup/new_install.sh')
-rwxr-xr-x | retiolum/scripts/tinc_setup/new_install.sh | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/retiolum/scripts/tinc_setup/new_install.sh b/retiolum/scripts/tinc_setup/new_install.sh new file mode 100755 index 00000000..ab42aedc --- /dev/null +++ b/retiolum/scripts/tinc_setup/new_install.sh @@ -0,0 +1,158 @@ +#!/bin/sh + +usage() +{ +cat << EOF +usage $0 options +This script gets you into the KREBS Darknet +all parameters are optional + +Options: + -h Show this message(haha) + -4 \$ipv4 specify an ip(version 4), this also disables random ip mode, default is random + -t \$DIR Choose another Temporary directory, default is /tmp/tinc-install-fu + -o \$HOST Choose another Hostname, default is your system hostname + -n \$NET Choose another tincd netname,this also specifies the path to your tinc config, default is retiolum + -s \$SUBNET Choose another Subnet(version4), default is 10.243. + -m \$MASK Choose another Subnet Mask(version4), default is /16 + -u \$URL specify another hostsfiles.tar.gz url, default is euer.krebsco.de/retiolum/hosts.tar.gz +EOF +} + +#check if ip is valid ipv4 function +check_ip_valid4() +{ + if [ "$(echo $1 | awk -F"\." ' $0 ~ /^([0-9]{1,3}\.){3}[0-9]{1,3}$/ && $1 <=255 && $2 <= 255 && $3 <= 255 && $4 <= 255 ' 2>/dev/null)" == "$1" ] && [ ${1:0:${#SUBNET4}} == $SUBNET4 ] + then + return 0 + else + return 1 + fi +} + +#check if ip is taken function +check_ip_taken() +{ + if grep -q -E "$1(#|/)" $TEMPDIR/hosts/* ;then + echo $1 is taken + return 1 + else + echo $1 seems free + return 0 + fi +} + +#if hostname is taken, count upwards until it isn't taken function +check_hostname() +{ + TSTFILE=$TEMPDIR/hosts/$1 + LCOUNTER=0 + if test -e $TSTFILE; then + while test -e $TSTFILE; do + let LCOUNTER=LCOUNTER+1 + TSTFILE=$TEMPDIR/hosts/$1$LCOUNTER + done + HOSTN=$1$LCOUNTER + else + HOSTN=$1 + fi +} + +TEMPDIR=/tmp/tinc-install-fu +HOSTN=$(hostname) +NETNAME=retiolum +SUBNET4=10.243. +MASK4=/16 +RAND=1 +URL=euer.krebsco.de/retiolum/hosts.tar.gz + +#check if everything is installed +if $(! test -e "/usr/sbin/tincd"); then + echo "Please install tinc" + exit 1 +fi + +if $(! test -e /usr/bin/awk); then + echo "Please install awk" + exit 1 +fi + +if $(! test -e /usr/bin/curl); then + echo "Please install curl" + exit 1 +fi + +if $(! /bin/ping -c 1 euer.krebsco.de -W 5 &>/dev/null) ;then + echo "Cant reach euer, check if your internet is working" + exit 1 +fi + + +#parse options +while getopts "h4:t:o:n:s:m:u:" OPTION +do + case $OPTION in + h) + usage + exit 1 + ;; + 4) + IP4=$OPTARG + RAND=0 + if ! check_ip_valid4 $IP4; then echo "ip is invalid" && exit 1; fi + ;; + t) + TEMPDIR=$OPTARG + ;; + o) + HOSTN=$OPTARG + ;; + n) + NETNAME=$OPTARG + ;; + s) + SUBNET4=$OPTARG + ;; + m) + MASK4=$OPTARG + ;; + u) + URL=$OPTARG + if $(! curl -s --head $URL | head -n 1 | grep "HTTP/1.[01] [23].." > /dev/null); then + echo "url not reachable" + exit 1 + fi + ;; + + esac +done + +#test if tinc directory already exists +if test -e /etc/tinc/$NETNAME; then + echo "tinc config directory /etc/tinc/$NETNAME does already exist. (backup and) delete config directory and restart" + exit 1 +fi + +#get tinc-hostfiles +mkdir -p $TEMPDIR/hosts +curl euer.krebsco.de/retiolum/hosts.tar.gz | tar zx -C $TEMPDIR/hosts/ + +#check for free ip +until check_ip_taken $IP4; do + if [ $RAND -eq 1 ]; then + IP4="10.243.$((RANDOM%255)).$((RANDOM%255))" + else + printf 'choose new ip: ' + read IP4 + while ! check_ip_valid4 $IP4; do + printf 'the ip is invalid, retard, choose a valid ip: ' + read IP4 + done + fi +done + +#check for free hostname +check_hostname $HOSTN + +echo "your ip is $IP4" +echo "your hostname is $HOSTN" |