m4_define([USLIP], [$abs_top_builddir/uslip/tripe-uslip])
m4_define([PKSTREAM],
[$abs_top_builddir/pkstream/pkstream -b127.0.0.1 -p127.0.0.1])
+m4_define([MITM], [$abs_top_builddir/proxy/tripe-mitm])
## Sequences. (These are used for testing the replay protection machinery.)
m4_define([R32], [ 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 dnl
[WITH_TRIPEX([$3], [$4 $7],
[$8])])])])
-## COMMS_EPING(adir, aname, bdir, bname)
+## RETRY(n, body)
+m4_define([RETRY], [
+ n=0 rc=1
+ while test $n -lt $1; do
+ if $2
+ then rc=0; break
+ fi
+ n=$(( $n + 1 ))
+ done
+ exit $rc
+])
+
+## COMMS_EPING(adir, aname, bdir, bname, [n])
m4_define([COMMS_EPING], [
- AT_CHECK([TRIPECTL -d$1 EPING $4],, [ignore])
- AT_CHECK([TRIPECTL -d$3 EPING $2],, [ignore])
+ AT_CHECK([RETRY([m4_default([$5], [1])],
+ [TRIPECTL -d$1 EPING $4])],, [ignore])
+ AT_CHECK([RETRY([m4_default([$5], [1])],
+ [TRIPECTL -d$3 EPING $2])],, [ignore])
])
## COMMS_SLIP(adir, aname, bdir, bname)
AT_CLEANUP
+###--------------------------------------------------------------------------
+### Adverse communication.
+
+AT_SETUP([server retry])
+AT_KEYWORDS([backoff])
+export TRIPE_SLIPIF=USLIP
+
+for i in alice bob; do (mkdir $i; cd $i; SETUPDIR([beta])); done
+
+WITH_2TRIPES([alice], [bob], [-nslip], [-talice], [-tbob], [
+
+ ## Set up the evil proxy.
+ alicemitm=24516 bobmitm=14016
+ MITM -kalice/keyring.pub >mitm.out 2>mitm.err \
+ peer:alice:$alicemitm:127.0.0.1:$(cat alice/port) \
+ peer:bob:$bobmitm:127.0.0.1:$(cat bob/port) \
+ filt:drop:5 filt:send& mitmpid=$!
+ strace -omitm.trace -p$mitmpid& mitmtrace=$!
+ trap 'kill $mitmpid $mitmtrace; exit 127' EXIT INT QUIT TERM HUP
+
+ ## Try to establish keys anyway.
+ AWAIT_KXDONE([alice], [alice], [bob], [bob], [
+ AT_CHECK([TRIPECTL -dalice ADD -cork bob INET 127.0.0.1 $alicemitm])
+ AT_CHECK([TRIPECTL -dbob ADD alice INET 127.0.0.1 $bobmitm])
+ ])
+
+ ## Check pinging.
+ COMMS_EPING([alice], [alice], [bob], [bob], [10])
+ COMMS_EPING([bob], [bob], [alice], [alice], [10])
+
+ ## Tear down the MITM proxy.
+ kill $mitmpid
+ wait $mitmpid
+ wait $mitmtrace
+])
+
+AT_CLEANUP
+
###--------------------------------------------------------------------------
### Key management.