From 12c77cdbfa4ec48d935af3ae7cf1118e38bec6e1 Mon Sep 17 00:00:00 2001
From: tv <tv@also>
Date: Sun, 29 May 2011 15:47:21 +0200
Subject: lowered filesystem hierarchy--everything are modules

---
 retiolum/bin/fillxx            |  6 ++++++
 retiolum/bin/hosts             | 11 +++++++++++
 retiolum/bin/ipv6              | 35 +++++++++++++++++++++++++++++++++++
 retiolum/bin/tinc              | 18 ++++++++++++++++++
 retiolum/bin/update_tinc_hosts | 33 +++++++++++++++++++++++++++++++++
 5 files changed, 103 insertions(+)
 create mode 100755 retiolum/bin/fillxx
 create mode 100755 retiolum/bin/hosts
 create mode 100755 retiolum/bin/ipv6
 create mode 100755 retiolum/bin/tinc
 create mode 100755 retiolum/bin/update_tinc_hosts

(limited to 'retiolum/bin')

diff --git a/retiolum/bin/fillxx b/retiolum/bin/fillxx
new file mode 100755
index 00000000..5e558362
--- /dev/null
+++ b/retiolum/bin/fillxx
@@ -0,0 +1,6 @@
+#! /bin/sh
+while echo $1 | grep -q xx; do 
+  xx=`od -An -tx1 -N 1 /dev/urandom | tr -d \ `
+  set -- `echo $1 | sed s/xx/$xx/`
+done
+echo $1 
diff --git a/retiolum/bin/hosts b/retiolum/bin/hosts
new file mode 100755
index 00000000..6939f52c
--- /dev/null
+++ b/retiolum/bin/hosts
@@ -0,0 +1,11 @@
+#! /bin/sh
+set -euf
+
+netname=${1-retiolum}
+
+cd /etc/tinc/$netname/hosts
+
+for i in `ls`; do
+  sed -rn 's|^ *Subnet *= *([^ /]*)(/[0-9]*)? *$|\1\t'$i' '$i'.'$netname'|p' $i
+done | sort
+
diff --git a/retiolum/bin/ipv6 b/retiolum/bin/ipv6
new file mode 100755
index 00000000..65a1eaa1
--- /dev/null
+++ b/retiolum/bin/ipv6
@@ -0,0 +1,35 @@
+#! /bin/sh
+#
+# Manage IPv6 of the retiolum interface.
+#
+# usage: ipv6 {start,stop}
+#
+set -euf
+
+if test `id -u` != 0; then
+  echo "we're going sudo..." >&2
+  exec sudo "$0" "$@"
+  exit 23 # go to hell
+fi
+
+file=/etc/tinc/retiolum/hosts/`hostname`
+addr=`sed -rn 's|^Subnet *= *(42:[0-9A-Fa-f:]*/128)|\1|p' $file`
+route=42::/16
+
+start() {
+  stop
+  ip -6 addr add $addr dev retiolum
+  ip -6 route add $route dev retiolum
+}
+
+stop() {
+  ip -6 addr del $addr dev retiolum 2>/dev/null || :
+  ip -6 route del $route dev retiolum 2>/dev/null || :
+}
+
+## dispatch
+case "$1" in
+  (start) start;;
+  (stop) stop;;
+  (*) echo "You're made of stupid" 2>/dev/null; exit 23;;
+esac
diff --git a/retiolum/bin/tinc b/retiolum/bin/tinc
new file mode 100755
index 00000000..ffa1dbee
--- /dev/null
+++ b/retiolum/bin/tinc
@@ -0,0 +1,18 @@
+#! /bin/sh
+#
+set -euf
+
+init() {
+  f=/tmp/retiolum.GraphDumpFile
+  if ! test -f $f; then
+    touch $f &&
+    chown -v tincd: $f
+  fi
+
+  modprobe -v tun
+}
+
+if init; then
+  exec tincd --user=tincd --net=retiolum "$@"
+fi
+
diff --git a/retiolum/bin/update_tinc_hosts b/retiolum/bin/update_tinc_hosts
new file mode 100755
index 00000000..2d5cf957
--- /dev/null
+++ b/retiolum/bin/update_tinc_hosts
@@ -0,0 +1,33 @@
+#! /bin/sh
+set -euf
+
+if test "${nosudo-false}" != true -a `id -u` != 0; then
+  echo "we're going sudo..." >&2
+  exec sudo "$0" "$@"
+  exit 23 # go to hell
+fi
+
+DIRNAME=`dirname $0`
+export PATH="`readlink -f $DIRNAME`:$PATH"
+
+hosts="${hosts-/etc/hosts}"
+
+bs='# BEGIN OF RETIOLUM'
+es='# END OF RETIOLUM'
+
+case "${1-imstupid}" in
+  (start|restart)
+    if grep -q "^$bs$" $hosts && grep -q "^$es$" $hosts; then
+      $0 stop
+      echo "$bs" >> $hosts
+      hosts      >> $hosts
+      echo "$es" >> $hosts
+    fi
+    ;;
+  (stop)
+    sed -ie "/^$bs$/,/^$es$/d" $hosts 
+    ;;
+  (*)
+    echo 'Error 1: You are made of stupid!' >&2
+    exit 23
+esac
-- 
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