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authorNiels Provos <provos@cvs.openbsd.org>1998-07-30 08:41:22 +0000
committerNiels Provos <provos@cvs.openbsd.org>1998-07-30 08:41:22 +0000
commitdbb95b2a0762cb45f3639fd7643bea0c6fe8dbf9 (patch)
tree99feb54b91e996543dcd49d49999dc302c52d470 /sys/netinet/ip_esp_old.c
parent78194b8d1ab41b6f00eba281ef9d90f67ab59309 (diff)
fixing a stupid bug I introduced when trying to improve the encryption
performance by avoiding unnecessary copies. There was a problem when two subsequent mbufs were != 0 mod blocksize and the next < blocksize, so we lost the rest of the last mbuf as IV.
Diffstat (limited to 'sys/netinet/ip_esp_old.c')
-rw-r--r--sys/netinet/ip_esp_old.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/sys/netinet/ip_esp_old.c b/sys/netinet/ip_esp_old.c
index f63fd9a09a6..f93d89259cf 100644
--- a/sys/netinet/ip_esp_old.c
+++ b/sys/netinet/ip_esp_old.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ip_esp_old.c,v 1.19 1998/06/11 14:17:23 provos Exp $ */
+/* $OpenBSD: ip_esp_old.c,v 1.20 1998/07/30 08:41:21 provos Exp $ */
/*
* The authors of this code are John Ioannidis (ji@tla.org),
@@ -675,6 +675,12 @@ esp_old_output(struct mbuf *m, struct sockaddr_encap *gw, struct tdb *tdb,
{
if (rest)
{
+ if (ivp == blk)
+ {
+ bcopy(blk, iv, blks);
+ ivp = iv;
+ }
+
bcopy(idat, blk, rest);
odat = idat;
}