diff options
author | root <root@flap> | 2014-05-06 10:00:33 -0400 |
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committer | root <root@flap> | 2014-05-06 10:00:33 -0400 |
commit | 4d8016064edd5e5dc1d194ea5ec0fce4f07b8f2a (patch) | |
tree | d8ecba8651604e51d6f887449641ac627844ae63 /elchos/root-image/krebs/lib/retiolum | |
parent | f44c8529e6d04b557d93cc862599b956ed21f0de (diff) | |
parent | d0367082a5c1296cefed641b4eda736b29a3ad69 (diff) |
Merge branch 'master' of https://github.com/krebscode/painload
Diffstat (limited to 'elchos/root-image/krebs/lib/retiolum')
-rw-r--r-- | elchos/root-image/krebs/lib/retiolum | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/elchos/root-image/krebs/lib/retiolum b/elchos/root-image/krebs/lib/retiolum new file mode 100644 index 00000000..1e55041c --- /dev/null +++ b/elchos/root-image/krebs/lib/retiolum @@ -0,0 +1,99 @@ +#!/bin/sh +# retiolum host functions +#@include core +#@include network +tinc_path=${tinc_path:-/etc/tinc} +netname=${netname:-retiolum} +hosts_dir=${hosts_dir:-$tinc_path/$netname/hosts} +supernode_urls="http://euer.krebsco.de/retiolum/supernodes.tar.gz" +reload_tinc(){ + info "reloading tinc configuration" + pkill -HUP tincd || tinc -n $netname reload; +} + +refresh_supernode_keys(){ + for url in $supernode_urls;do + info "Trying $url to retrieve supernodes" + if http_get "$url" \ + | tar xvz -C $hosts_dir | xargs -n1 echo "refreshed:" ;then + info "refreshed supernode keys" + return 0 + else + error "$url unusable for retrieving supernode host files" + fi + done && return 1 +} + +find_supernodes(){ + cd $hosts_dir + set +f + for name in ` + grep '^[ ]*Address[ ]*=' * | + cut -d: -f1 | sort | uniq + `; do + if eval "`sed -n ' + s/[ ]\+//g + s/^\(Address\|Port\)=\(.*\)/\1="\${\1+\$\1\n}\2"/p + ' $name`"; then + port=${Port-655} + for host in $Address; do + if nc -zw 2 $host $port 2>/dev/null; then + echo "$name [('$host', $port)]" + fi & + done + wait + fi & + done + wait + cd - >/dev/null +} + +find_active_nodes(){ + # TODO this function currently only supports a single address for a host + cd $hosts_dir + # posix grep does not support [[:space:]] + set +f + for name in ` + grep '^[ ]*Address[ ]*=' * | + cut -d: -f1 | sort | uniq + `; do + if eval "`sed -n ' + s/[ ]\+//g + s/^\(Address\|Port\)=\(.*\)/\1="\${\1+\$\1\n}\2"/p + ' $name`"; then + port=${Port-655} + for host in $Address; do + if nc -zw 2 $host $port 2>/dev/null; then + echo "$name [('$host', $port)]" + fi & + done + wait + fi & + done + wait + cd - >/dev/null +} + +check_free_v4(){ + myipv4=${1-10.243.0.-1} + v4num=${myipv4##*.} + printf "Retard check: " + if [ "$v4num" -gt 0 -a "$v4num" -lt "256" ]; + then + info "No retard detected\n" + cd $hosts_dir + info "Check if ip is still free: " + for i in `ls -1`; do + if grep -q -e $myipv4\$ $i ;then + error "Host IP already taken by $i! " + return 1 + fi + done + info "Passed\n" + return 0 + else + error "you are made of stupid. bailing out\n" + return 1 + fi + cd - >/dev/null +} |