Add notion of `ephemeral' associations and a goodbye protocol.

[tripe] / pathmtu / pathmtu.c

diff --git a/pathmtu/pathmtu.c b/pathmtu/pathmtu.c
index 8dac7b1153293f80822539adab2877ff1128e7eb..32f67a11f340f728ba760f8af06457c2192d2232 100644 (file)
--- a/pathmtu/pathmtu.c
+++ b/pathmtu/pathmtu.c
@@ -9,27 +9,22 @@
  *
  * This file is part of Trivial IP Encryption (TrIPE).
  *
- * TrIPE is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
+ * TrIPE is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 3 of the License, or (at your
+ * option) any later version.
  *
- * TrIPE is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * TrIPE is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with TrIPE; if not, write to the Free Software Foundation,
- * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * along with TrIPE.  If not, see <https://www.gnu.org/licenses/>.
  */
 
 /*----- Header files ------------------------------------------------------*/
 
-#if defined(linux)
-#  define _BSD_SOURCE
-#endif
-
 #include "config.h"
 
 #include <assert.h>
@@ -403,7 +398,7 @@ struct raw_state {
 static int raw_setup(void *stv, int sk, const struct param *pp)
 {
   struct raw_state *st = stv;
-  size_t sz;
+  socklen_t sz;
   int i, mtu = -1;
   struct ifaddrs *ifa, *ifaa, *ifap;
   struct ifreq ifr;
@@ -617,13 +612,13 @@ static int linux_setup(void *stv, int sk, const struct param *pp)
 {
   struct linux_state *st = stv;
   int i, mtu;
-  size_t sz;
+  socklen_t sz;
 
   /* Snaffle the UDP socket. */
   st->sk = sk;
 
   /* Turn on kernel path-MTU discovery and force DF on. */
-  i = IP_PMTUDISC_DO;
+  i = IP_PMTUDISC_PROBE;
   if (setsockopt(st->sk, IPPROTO_IP, IP_MTU_DISCOVER, &i, sizeof(i)))
     return (-1);
 
@@ -655,7 +650,7 @@ static int linux_selproc(void *stv, fd_set *fd_in, struct probestate *ps)
 {
   struct linux_state *st = stv;
   int mtu;
-  size_t sz;
+  socklen_t sz;
   ssize_t n;
   unsigned char b[65536];