X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ian/git?p=userv-utils.git;a=blobdiff_plain;f=ipif%2Fforwarder.h;h=599eb41a0e6bc521e5f818d333f7915f68ab2ed5;hp=08eee56ed4c96276942bd9b0a557172760cd71a2;hb=d09170cc71ae828279a1bc77cc7780dab9545bd6;hpb=f9e59051127e72847e1bee84ad52670e875f7d2f

diff --git a/ipif/forwarder.h b/ipif/forwarder.h
index 08eee56..599eb41 100644
--- a/ipif/forwarder.h
+++ b/ipif/forwarder.h
@@ -1,4 +1,23 @@
 /*
+ * Encrypting tunnel for userv-ipif tunnels, header file
+ */
+/*
+ * Copyright (C) 2000,2003 Ian Jackson
+ * This file is part of ipif, part of userv-utils
+ *
+ * This 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.
+ *
+ * This program 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 userv-utils; if not, write to the Free Software
+ * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  */
 
 #ifndef MECHS_H
@@ -6,10 +25,9 @@
 
 #include <stdio.h>
 #include <time.h>
+#include <string.h>
 #include <sys/utsname.h>
 
-#include "automech.h"
-
 struct buffer {
   unsigned char *base;
   unsigned char *start;
@@ -32,6 +50,8 @@ struct mechanism {
   mdec_functype *decode;
 };
 
+#include "automech.h"
+
 extern const struct mechanism *const mechanismlists[];
 
 /* setup function may call getarg_xxx functions and then
@@ -39,7 +59,8 @@ extern const struct mechanism *const mechanismlists[];
  * 
  * setup_in function may increase maxprefix and maxsuffix
  * code functions modify buffer in place
- * decode function returns message to print
+ * decode function returns 0 meaning packet decoded ok,
+ *  "" meaning discard it quietly, or message to print for verbose discard
  */
   
 const char *getarg_string(void);