Du kannst nicht mehr als 25 Themen auswählen
Themen müssen entweder mit einem Buchstaben oder einer Ziffer beginnen. Sie können Bindestriche („-“) enthalten und bis zu 35 Zeichen lang sein.
#!/bin/bash
# Simple bash client for linux
if [ " $# " != 3 ] || { [ " $1 " != "download" ] && [ " $1 " != "upload" ] ; }
then echo " Usage: $0 [download|upload] FILENAME SERVERNAME " ; exit 1; fi
f = $2 ; s = $3
if [ " $1 " = "download" ]
then
c = $( dig +short txt " $f " .count." $s " | tr -d \" )
for i in $( seq 0 " $c " ) ; do echo -n " $( dig +short txt " $f " ." $i " ." $s " | tr -d \" ) " ; done | base64 -d > " $f "
else
i = 0; d = $( base64 -w 0 < " $f " ) ; id = $( sha256sum " $f " | cut -d" " -f1 | base64 -w 0 | cut -c1-6)
while true; do
u = " . $i - ${ id } u. $s " ; ( ( i++) ) ; x = $(( 63 - ${# u } ))
if [ $x -lt ${# d } ]
then p = ${ d : 0 : $x } ; d = ${ d : $x } ; dig +short txt " $p $u "
else dig +short txt " $d $u " ; exit 0
fi
done
fi
# Minimal working example for download in case you have to type it all manually
mwe( ) {
f = $1 ; s = $2 ; c = $( dig +short txt " $f " .count." $s " | tr -d \" )
for i in $( seq 0 " $c " ) ; do echo -n " $( dig +short txt " $f " ." $i " ." $s " | tr -d \" ) " ; done | base64 -d > " $f "
}