New peer option `-mobile': follow rapid IP address and port changes.

[tripe] / server / tripe.h

diff --git a/server/tripe.h b/server/tripe.h
index d1093f7b774874659cde5cd04419dd5a48cc8560..8a0be5188f8026b3eeca9dcc064983125ddf9ae7 100644 (file)
--- a/server/tripe.h
+++ b/server/tripe.h
@@ -226,6 +226,8 @@ typedef struct keyset {
 #define KSERR_REGEN -1                 /* Regenerate keys */
 #define KSERR_NOKEYS -2                        /* No keys left */
 #define KSERR_DECRYPT -3               /* Unable to decrypt message */
+#define KSERR_SEQ -4                   /* Incorrect sequence number */
+#define KSERR_MALFORMED -5             /* Input ciphertext is broken */
 
 /* --- Key exchange --- *
  *
@@ -338,7 +340,9 @@ typedef struct peerspec {
   unsigned long t_ka;                  /* Keep alive interval */
   addr sa;                             /* Socket address to speak to */
   size_t sasz;                         /* Socket address size */
-  unsigned kxf;                                /* Key exchange flags to set */
+  unsigned f;                          /* Flags for the peer */
+#define PSF_KXMASK 255u                        /*   Key-exchange flags to set */
+#define PSF_MOBILE 256u                        /*   Address may change rapidly */
 } peerspec;
 
 typedef struct peer_byname {
@@ -933,13 +937,15 @@ extern void a_daemon(void);
  * Arguments:  @const char *sock@ = socket name to create
  *             @uid_t u@ = user to own the socket
  *             @gid_t g@ = group to own the socket
+ *             @mode_t m@ = permissions to set on the socket
  *
  * Returns:    ---
  *
  * Use:                Creates the admin listening socket.
  */
 
-extern void a_init(const char */*sock*/, uid_t /*u*/, gid_t /*g*/);
+extern void a_init(const char */*sock*/,
+                  uid_t /*u*/, gid_t /*g*/, mode_t /*m*/);
 
 /*----- Mapping with addresses as keys ------------------------------------*/
 
@@ -1306,7 +1312,7 @@ extern void p_destroy(peer */*p*/);
 #define FOREACH_PEER(p, stuff) do {                                    \
   peer_iter i_;                                                                \
   peer *p;                                                             \
-  for (p_mkiter(&i_); (p = p_next(&i_)) != 0; ) do stuff while (0);    \
+  for (p_mkiter(&i_); (p = p_next(&i_)) != 0; ) stuff                  \
 } while (0)
 
 /* --- @p_mkiter@ --- *