From 87c2fd4310e5b345102d7a4915dc5e3a65052305 Mon Sep 17 00:00:00 2001
From: Bernhard Schmidt <berni@debian.org>
Date: Sun, 14 Oct 2018 22:51:08 +0200
Subject: Revert "Merge branch 'stretch' of
 ssh://git.debian.org/git/collab-maint/openvpn into stretch"

This reverts commit 3804bc2606a92e2f2f4b3a2b043af0d77d92b386, reversing
changes made to 678cfd249add7ca758e4c41933c7b730132c99f4.
---
 src/openvpn/packet_id.h | 36 +++++++++++++++++++++++-------------
 1 file changed, 23 insertions(+), 13 deletions(-)

(limited to 'src/openvpn/packet_id.h')

diff --git a/src/openvpn/packet_id.h b/src/openvpn/packet_id.h
index aceacf8..ecc25a6 100644
--- a/src/openvpn/packet_id.h
+++ b/src/openvpn/packet_id.h
@@ -50,7 +50,6 @@
  * to for network transmission.
  */
 typedef uint32_t packet_id_type;
-#define PACKET_ID_MAX UINT32_MAX
 typedef uint32_t net_time_t;
 
 /*
@@ -255,18 +254,7 @@ const char *packet_id_persist_print(const struct packet_id_persist *p, struct gc
 
 bool packet_id_read(struct packet_id_net *pin, struct buffer *buf, bool long_form);
 
-/**
- * Write a packet ID to buf, and update the packet ID state.
- *
- * @param p             Packet ID state.
- * @param buf           Buffer to write the packet ID too
- * @param long_form     If true, also update and write time_t to buf
- * @param prepend       If true, prepend to buffer, otherwise apppend.
- *
- * @return true if successful, false otherwise.
- */
-bool packet_id_write(struct packet_id_send *p, struct buffer *buf,
-        bool long_form, bool prepend);
+bool packet_id_write(const struct packet_id_net *pin, struct buffer *buf, bool long_form, bool prepend);
 
 /*
  * Inline functions.
@@ -316,6 +304,28 @@ packet_id_close_to_wrapping(const struct packet_id_send *p)
     return p->id >= PACKET_ID_WRAP_TRIGGER;
 }
 
+/*
+ * Allocate an outgoing packet id.
+ * Sequence number ranges from 1 to 2^32-1.
+ * In long_form, a time_t is added as well.
+ */
+static inline void
+packet_id_alloc_outgoing(struct packet_id_send *p, struct packet_id_net *pin, bool long_form)
+{
+    if (!p->time)
+    {
+        p->time = now;
+    }
+    pin->id = ++p->id;
+    if (!pin->id)
+    {
+        ASSERT(long_form);
+        p->time = now;
+        pin->id = p->id = 1;
+    }
+    pin->time = p->time;
+}
+
 static inline bool
 check_timestamp_delta(time_t remote, unsigned int max_delta)
 {
-- 
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