tinc/test/security.test

#!/bin/sh

. "${0%/*}/testlib.sh"

# Skip this test if tools are missing

which socket >/dev/null || exit 77
which timeout >/dev/null || exit 77

# Initialize two nodes

$tinc $c1 <<EOF
init foo
set DeviceType dummy
set Port 32754
set Address localhost
set PingTimeout 1
set AutoConnect no
EOF

$tinc $c2 <<EOF
init bar
set DeviceType dummy
set Port 32755
set PingTimeout 1
set MaxTimeout 1
set ExperimentalProtocol no
set AutoConnect no
EOF

# Exchange host config files

$tinc $c1 export | $tinc $c2 exchange | $tinc $c1 import

$tinc $c1 start $r1
$tinc $c2 start $r2

# No ID sent by responding node if we don't send an ID first, before the timeout

result=`(sleep 2; echo "0 bar 17.7") | timeout 3 socket localhost 32754` && exit 1
test $? = 124
test -z "$result"

# ID sent if initiator sends first, but still tarpitted

result=`echo "0 bar 17.7" | timeout 3 socket localhost 32754` && exit 1
test $? = 124
test "`echo "$result" | head -c 10`" = "0 foo 17.7"

# No invalid IDs allowed

result=`echo "0 foo 17.7" | timeout 1 socket localhost 32754` && exit 1
test $? = 124
test -z "$result"

result=`echo "0 baz 17.7" | timeout 1 socket localhost 32754` && exit 1
test $? = 124
test -z "$result"

# No NULL METAKEYs allowed

result=`printf "0 foo 17.0\n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n" | timeout 3 socket localhost 32755` && exit 1
test $? = 124
test -z "$result" # Not even the ID should be sent when the first packet contains illegal data

# No splicing allowed

$tinc $c2 stop
$tinc $c2 del ExperimentalProtocol
$tinc $c2 start $r2

./splice foo localhost 32754 bar localhost 32755 17.7 &
sleep 3
test `$tinc $c1 dump reachable nodes | wc -l` = 1
test `$tinc $c2 dump reachable nodes | wc -l` = 1
kill $!

$tinc $c2 stop
$tinc $c1 stop

# Test splicing again with legacy protocol

$tinc $c1 set ExperimentalProtocol no
$tinc $c2 set ExperimentalProtocol no

$tinc $c1 start $r1
$tinc $c2 start $r2

./splice foo localhost 32754 bar localhost 32755 17.0 &
sleep 3
test `$tinc $c1 dump reachable nodes | wc -l` = 1
test `$tinc $c2 dump reachable nodes | wc -l` = 1
kill $!

# Clean up

$tinc $c2 stop
$tinc $c1 stop