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authorReyk Floeter <reyk@cvs.openbsd.org>2016-11-11 22:07:41 +0000
committerReyk Floeter <reyk@cvs.openbsd.org>2016-11-11 22:07:41 +0000
commit8a968f84fad9184a8e3467348b0f2aa3b048e40a (patch)
treee0ec3c514e2f4d2c5903d1c7433ecbd7572faa75 /usr.sbin/switchd/ofp_common.c
parent7a36b8913e0188a2bea960f56b9c84197ede86f0 (diff)
Move ofp_validate_header() into ofp_common.c. No functional change.
Diffstat (limited to 'usr.sbin/switchd/ofp_common.c')
-rw-r--r--usr.sbin/switchd/ofp_common.c36
1 files changed, 35 insertions, 1 deletions
diff --git a/usr.sbin/switchd/ofp_common.c b/usr.sbin/switchd/ofp_common.c
index fee9da2c82b..d3f882442ef 100644
--- a/usr.sbin/switchd/ofp_common.c
+++ b/usr.sbin/switchd/ofp_common.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ofp_common.c,v 1.2 2016/11/04 22:27:08 reyk Exp $ */
+/* $OpenBSD: ofp_common.c,v 1.3 2016/11/11 22:07:40 reyk Exp $ */
/*
* Copyright (c) 2013-2016 Reyk Floeter <reyk@openbsd.org>
@@ -44,6 +44,40 @@
#include "ofp_map.h"
int
+ofp_validate_header(struct switchd *sc,
+ struct sockaddr_storage *src, struct sockaddr_storage *dst,
+ struct ofp_header *oh, uint8_t version)
+{
+ struct constmap *tmap;
+
+ /* For debug, don't verify the header if the version is unset */
+ if (version != OFP_V_0 &&
+ (oh->oh_version != version ||
+ oh->oh_type >= OFP_T_TYPE_MAX))
+ return (-1);
+
+ switch (version) {
+ case OFP_V_1_0:
+ case OFP_V_1_1:
+ tmap = ofp10_t_map;
+ break;
+ case OFP_V_1_3:
+ default:
+ tmap = ofp_t_map;
+ break;
+ }
+
+ log_debug("%s > %s: version %s type %s length %u xid %u",
+ print_host(src, NULL, 0),
+ print_host(dst, NULL, 0),
+ print_map(oh->oh_version, ofp_v_map),
+ print_map(oh->oh_type, tmap),
+ ntohs(oh->oh_length), ntohl(oh->oh_xid));
+
+ return (0);
+}
+
+int
ofp_output(struct switch_connection *con, struct ofp_header *oh,
struct ibuf *obuf)
{