Merge branch 'master' of github.com:krebscode/painload

7 files changed, 117 insertions, 8 deletions

diff --git a/retiolum/bin/find-supernodes b/retiolum/bin/find-supernodes
new file mode 100755
index 00000000..2c316d0e
--- /dev/null
+++ b/retiolum/bin/find-supernodes
@@ -0,0 +1,21 @@
+#! /bin/dash
+set -eu
+cd /etc/tinc/retiolum/hosts
+for name in `
+  grep '^[[:space:]]*Address[[:space:]]*=' * |
+    cut -d: -f1 | sort | uniq
+`; do
+  if eval "`sed -n '
+      s/[[:space:]]\+//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
diff --git a/retiolum/bin/list-known-public-addresses b/retiolum/bin/list-known-public-addresses
new file mode 100755
index 00000000..21b1c389
--- /dev/null
+++ b/retiolum/bin/list-known-public-addresses
@@ -0,0 +1,38 @@
+#! /bin/sh
+#
+# printf '%s %s\n' hostname IP-address for each known public retiolum address
+#
+set -eu
+
+_list_hostname_address() {
+  cd /etc/tinc/retiolum/hosts
+  grep --with-filename '^Address' * |
+  sed -n '
+    s/: */ /
+    s/ *= */ /
+    s/ Address \([a-zA-Z0-9.:_]*\) \?.*/ \1/p'
+}
+_lookup_address() {
+  sed '
+    /:/!{/ [0-9.]*$/!{s/ / `dig +short /;s/$/` \&/}}
+    s/^/echo /
+    $s/$/\nwait/
+  ' | sh
+}
+_filter_public() {
+  sed '
+    # drop private IPv4 addresses
+    / 10\./d
+    / 172\.\(1[6-9]\|2[0-9]\|3[01]\)\./d
+    / 192\.168\./d
+    # TODO drop private IPv6 addresses
+  '
+}
+_filter_online() {
+  awk '
+    {print"nc -zw 2 "$2" 655 2>/dev/null && echo "$1" "$2" &"}
+    END {print"wait"}
+  ' | sh
+}
+
+_list_hostname_address | _lookup_address | _filter_public
diff --git a/retiolum/bin/my-ip b/retiolum/bin/my-ip
deleted file mode 100755
index fcfbba05..00000000
--- a/retiolum/bin/my-ip
+++ /dev/null
@@ -1,2 +0,0 @@
-#!/bin/sh
-curl http://euer.krebsco.de/live/ip.php
diff --git a/retiolum/bin/nodes-to-json.py b/retiolum/bin/nodes-to-json.py
new file mode 100644
index 00000000..ca9d3c8c
--- /dev/null
+++ b/retiolum/bin/nodes-to-json.py
@@ -0,0 +1,37 @@
+#!/usr/bin/python
+
+def parse_hosts_path(path="/etc/tinc/retiolum/hosts"):
+  import os
+  import re
+
+  needle_addr = re.compile("Subnet\s*=\s*(.*)/[0-9]+")
+  needle_port = re.compile("Port\s*=\s*(.*)")
+  for f in os.listdir(path):
+    with open(path+"/"+f) as of:
+      addrs = []
+      port = "655"
+
+      for line in of.readlines():
+
+        addr_found = needle_addr.match(line)
+        if addr_found:
+          addrs.append(addr_found.group(1))
+
+        port_found = needle_port.match(line)
+        if port_found:
+          port = port_found.group(1)
+      
+      if addrs : yield (f ,[(addr ,int(port)) for addr in addrs])
+
+
+
+if __name__ == "__main__":
+  """
+  usage
+  """
+  import json
+  import sys
+  db={}
+  for host,addrs in parse_hosts_path(sys.argv[1] if len(sys.argv) > 2 else "/etc/tinc/retiolum/hosts"):
+    db[host] = addrs
+  print(json.dumps(db))
diff --git a/retiolum/bin/patch-retiolum-hosts b/retiolum/bin/patch-retiolum-hosts
new file mode 100755
index 00000000..69d7b92c
--- /dev/null
+++ b/retiolum/bin/patch-retiolum-hosts
@@ -0,0 +1,13 @@
+#! /bin/sh
+#
+# Apply custom retiolum hosts patches, if any.
+#
+# usage: patch-retiolum-hosts [--reverse]
+#
+set -euf
+
+patch=/etc/tinc/retiolum/hosts.patch
+
+if test -e $patch; then
+  patch -N -d /etc/tinc/retiolum/hosts -r - "$@" < $patch
+fi
diff --git a/retiolum/bin/update-retiolum-hosts b/retiolum/bin/update-retiolum-hosts
index 2a379459..214ac205 100755
--- a/retiolum/bin/update-retiolum-hosts
+++ b/retiolum/bin/update-retiolum-hosts
@@ -1,5 +1,5 @@
 #! /bin/sh
-set -eu
+set -euf
 
 if test "${nosudo-false}" != true -a `id -u` != 0; then
   echo "we're going sudo..." >&2
@@ -11,6 +11,4 @@ fi
 cd $(dirname $(readlink -f $0))/..
 
 mkdir -p /etc/tinc/retiolum/hosts
-cp -v -r hosts/* /etc/tinc/retiolum/hosts
-pkill -HUP tincd
-pkill -ALRM tincd
+rsync -va --delete hosts/ /etc/tinc/retiolum/hosts/
diff --git a/retiolum/bin/update_tinc_hosts b/retiolum/bin/update_tinc_hosts
index 7be30c2a..ce1be497 100755
--- a/retiolum/bin/update_tinc_hosts
+++ b/retiolum/bin/update_tinc_hosts
@@ -7,8 +7,12 @@ if test "${nosudo-false}" != true -a `id -u` != 0; then
   exit 23 # go to hell
 fi
 
-DIRNAME=`dirname $0`
-export PATH="`readlink -f $DIRNAME`:$PATH"
+list_hosts="$(
+  basename="`readlink -f "$0"`"
+  bindir="`dirname "$basename"`"
+  echo "$bindir/hosts"
+)"
+hosts() { "$list_hosts"; }
 
 hosts="${hosts-/etc/hosts}"