New encrypting tunnel seems to work !

[userv-utils] / ipif / forwarder.c

diff --git a/ipif/forwarder.c b/ipif/forwarder.c
index 58678329378e2bb04ac5c8b08e77c101bea138fb..d3a0f0fc24804bd882b00789dedd0e9ac700f26a 100644 (file)
--- a/ipif/forwarder.c
+++ b/ipif/forwarder.c
@@ -7,8 +7,8 @@
  *                      <encdec-keys-fd>
  *                      <mtu> <keepalive> <timeout>
  *                      <public-remote-addr> [<public-remote-port>]
  *                      <encdec-keys-fd>
  *                      <mtu> <keepalive> <timeout>
  *                      <public-remote-addr> [<public-remote-port>]

- *                      !<mech1> [<mech1-params> ...]
- *                      !<mech2> [<mech2-params> ...]
+ *                      |<mech1> [<mech1-params> ...]
+ *                      |<mech2> [<mech2-params> ...]

  *                      ''
  *
  * Remote addr may '' to mean wait to receive a packet and reply to
  *                      ''
  *
  * Remote addr may '' to mean wait to receive a packet and reply to


@@ -19,6 +19,10 @@
  *    w   means generate and write encdec keys, rather than reading them
  *    K   means do crypto debug (use with care!)
  *
  *    w   means generate and write encdec keys, rather than reading them
  *    K   means do crypto debug (use with care!)
  *

+ * encdec keys datastream has keys for packets from key datastream
+ * writer to reader first, then keys for packets from reader to
+ * writer.
+ *

  * Every must be numeric.  There is very little argument checking.
  *
  * Exit status:
  * Every must be numeric.  There is very little argument checking.
  *
  * Exit status:


@@ -71,8 +75,8 @@ static time_t nextsendka;
 
 static void cdebug(int mechno /*or -1*/, const char *msg) {
   if (!crypto_debug) return;
 
 static void cdebug(int mechno /*or -1*/, const char *msg) {
   if (!crypto_debug) return;

-  printf("%s: CRYPTO: %-20s %s\n",
-        programid,
+  printf("%-8.8s: CRYPTO: %-20s %s\n",
+        uname_result.nodename,

         mechno >= 0 ? mechs[mechno]->name : "",
         msg);
 }
         mechno >= 0 ? mechs[mechno]->name : "",
         msg);
 }


@@ -127,6 +131,7 @@ void random_key(void *ptr, size_t sz) {
     write_must(encdec_keys_fd,ptr,sz,"write keys datastream");
   } else {
     read_must(encdec_keys_fd,ptr,sz,"read keys datastream");
     write_must(encdec_keys_fd,ptr,sz,"write keys datastream");
   } else {
     read_must(encdec_keys_fd,ptr,sz,"read keys datastream");

+    cdebughex(-1, "random_key", ptr, sz, 0,0,0);

   }
 }
 
   }
 }
 


@@ -335,18 +340,26 @@ int main(int argc, const char *const *const argv_in) {
   maxprefix= 0;
   i= 0;
   while ((arg= *++argv)) {
   maxprefix= 0;
   i= 0;
   while ((arg= *++argv)) {

-    arg_assert(*arg++ == '!');
+    arg_assert(*arg++ == '|');

     arg_assert(i <= MAXMECHS);
     mechs[i]= find_mech(arg);
     arg_assert(i <= MAXMECHS);
     mechs[i]= find_mech(arg);

-    cdebug(i,"encsetup");

 
 

+    cdebug(i,"writer->reader setup");

     argv_save= argv;
     argv_save= argv;

-    mechs[i]->encsetup(&md_out[i], &maxprefix, &maxsuffix);
+
+    if (encdec_keys_write)
+      mechs[i]->encsetup(&md_out[i], &maxprefix, &maxsuffix);
+    else
+      mechs[i]->decsetup(&md_in[i]);

 
     argv_done= argv;
     argv= argv_save;
 
     argv_done= argv;
     argv= argv_save;

-    cdebug(i,"decsetup");
-    mechs[i]->decsetup(&md_in[i]);
+    cdebug(i,"reader->writer setup");
+
+    if (encdec_keys_write)
+      mechs[i]->decsetup(&md_in[i]);
+    else
+      mechs[i]->encsetup(&md_out[i], &maxprefix, &maxsuffix);

 
     assert(argv == argv_done);
     
 
     assert(argv == argv_done);