From 22d62d310d817b7e7acf43d966a988adcb605a13 Mon Sep 17 00:00:00 2001
From: djm <djm>
Date: Wed, 26 Jun 2002 09:14:25 +0000
Subject: [PATCH]    - markus@cvs.openbsd.org 2002/06/26 08:54:18     
 [buffer.c]      limit append to 1MB and buffers to 10MB

---
 ChangeLog | 3 +++
 buffer.c  | 8 +++++++-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index 0bcad49a..33840488 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -39,6 +39,9 @@
    - markus@cvs.openbsd.org 2002/06/26 08:53:12
      [bufaux.c]
      limit size of BNs to 8KB; ok provos/deraadt
+   - markus@cvs.openbsd.org 2002/06/26 08:54:18
+     [buffer.c]
+     limit append to 1MB and buffers to 10MB
 
 20020625
  - (stevesk) [INSTALL acconfig.h configure.ac defines.h] remove --with-rsh
diff --git a/buffer.c b/buffer.c
index 40572e5a..ad04b267 100644
--- a/buffer.c
+++ b/buffer.c
@@ -12,7 +12,7 @@
  */
 
 #include "includes.h"
-RCSID("$OpenBSD: buffer.c,v 1.15 2002/01/18 18:14:17 stevesk Exp $");
+RCSID("$OpenBSD: buffer.c,v 1.16 2002/06/26 08:54:18 markus Exp $");
 
 #include "xmalloc.h"
 #include "buffer.h"
@@ -71,6 +71,9 @@ buffer_append_space(Buffer *buffer, u_int len)
 {
 	void *p;
 
+	if (len > 0x100000)
+		fatal("buffer_append_space: len %u not supported", len);
+
 	/* If the buffer is empty, start using it from the beginning. */
 	if (buffer->offset == buffer->end) {
 		buffer->offset = 0;
@@ -96,6 +99,9 @@ restart:
 	}
 	/* Increase the size of the buffer and retry. */
 	buffer->alloc += len + 32768;
+	if (buffer->alloc > 0xa00000)
+		fatal("buffer_append_space: alloc %u not supported",
+		    buffer->alloc);
 	buffer->buf = xrealloc(buffer->buf, buffer->alloc);
 	goto restart;
 	/* NOTREACHED */
-- 
2.45.2