server/peer.c, server/tests.at: Handle NAT swapping over peer addresses.

[tripe] / server / tests.at

diff --git a/server/tests.at b/server/tests.at
index c490ff2b36d3cfa19e8ca007e61f06bfe92681e7..ab64c538ff3a47634075ea05e15af1cc39f76409 100644 (file)
--- a/server/tests.at
+++ b/server/tests.at
@@ -38,6 +38,8 @@ m4_define([TRIPE],
      $abs_top_builddir/server/tripe -F -d. -aadmin -p0 -b127.0.0.1 -talice])
 m4_define([TRIPECTL], [$abs_top_builddir/client/tripectl -d. -aadmin])
 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])
 
 ## 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
@@ -228,13 +230,15 @@ m4_define([AWAIT_KXDONE], [
   TRIPECTL -d$4 WARN test POP
 ])
 
-## ESTABLISH(adir, aname, aopts, bdir, bname, bopts)
+## ESTABLISH(adir, aname, aopts, bdir, bname, bopts, [aport], [bport])
 m4_define([ESTABLISH], [
 
   ## Set up the establishment.
   AWAIT_KXDONE([$1], [$2], [$4], [$5], [
-    AT_CHECK([TRIPECTL -d$1 ADD -cork $6 $5 INET 127.0.0.1 $(cat $4/port)])
-    AT_CHECK([TRIPECTL -d$4 ADD $3 $2 INET 127.0.0.1 $(cat $1/port)])
+    AT_CHECK([TRIPECTL -d$1 ADD -cork $6 $5 INET 127.0.0.1 \
+      m4_if([$8], [], [$(cat $4/port)], [$8])])
+    AT_CHECK([TRIPECTL -d$4 ADD $3 $2 INET 127.0.0.1 \
+      m4_if([$7], [], [$(cat $1/port)], [$7])])
   ])
 
   ## Check transport pinging.
@@ -354,6 +358,71 @@ WITH_2TRIPES([alice], [bob], [-nslip], [-talice], [-tbob], [
 
 AT_CLEANUP
 
+###--------------------------------------------------------------------------
+### Mobile peer tracking.
+
+AT_SETUP([peer tracking])
+AT_KEYWORDS([mobile])
+export TRIPE_SLIPIF=USLIP
+
+for p in alice bob carol; do (mkdir $p; cd $p; SETUPDIR([alpha])); done
+
+## WITH_PKSTREAM(adir, aport, bdir, bport, body)
+m4_define([WITH_PKSTREAM], [
+  echo >&2 "pkstream: $1 <--> :$2 <-pkstream-> :$4 <--> $3"
+  PKSTREAM -l$4 127.0.0.1:$4 127.0.0.1:$(cat $3/port)& pkstream_$3_$1=$!
+  sleep 1
+  PKSTREAM -c127.0.0.1:$4 127.0.0.1:$2 127.0.0.1:$(cat $1/port)&
+  pkstream_$1_$3=$!
+  set +x
+  $5
+  kill $pkstream_$3_$1 $pkstream_$1_$3
+])
+
+WITH_3TRIPES([alice], [bob], [carol], [-nslip],
+            [-talice], [-tbob], [-tcarol], [
+
+  ## We need an indirection layer between the two peers so that we can
+  ## simulate the effects of NAT remapping.  The nearest thing we have to
+  ## this is pkstream, so we may as well use that.
+  ##
+  ## alice <--> :5311 <-pkstream-> :5312 <--> bob
+  ## alice <--> :5321 <-pkstream-> :5322 <--> carol
+
+  WITH_PKSTREAM([alice], [5311], [bob], [5312], [
+    ESTABLISH([alice], [alice], [], [bob], [bob], [-mobile], [5312], [5311])
+  ])
+
+  WITH_PKSTREAM([alice], [5319], [bob], [5312], [
+    COMMS_EPING([bob], [bob], [alice], [alice])
+    COMMS_SLIP([bob], [bob], [alice], [alice])
+  ])
+
+  WITH_PKSTREAM([alice], [5321], [carol], [5322], [
+    ESTABLISH([alice], [alice], [], [carol], [carol], [-mobile],
+       [5322], [5321])
+  ])
+
+  WITH_PKSTREAM([alice], [5311], [bob], [5312], [
+  WITH_PKSTREAM([alice], [5321], [carol], [5322], [
+    COMMS_EPING([bob], [bob], [alice], [alice])
+    COMMS_EPING([carol], [carol], [alice], [alice])
+    COMMS_SLIP([bob], [bob], [alice], [alice])
+    COMMS_SLIP([carol], [carol], [alice], [alice])
+  ])])
+
+  WITH_PKSTREAM([alice], [5321], [bob], [5312], [
+  WITH_PKSTREAM([alice], [5311], [carol], [5322], [
+    COMMS_EPING([bob], [bob], [alice], [alice])
+    COMMS_EPING([carol], [carol], [alice], [alice])
+    COMMS_SLIP([bob], [bob], [alice], [alice])
+    COMMS_SLIP([carol], [carol], [alice], [alice])
+  ])])
+  wait
+])
+
+AT_CLEANUP
+
 ###--------------------------------------------------------------------------
 ### Services.