diff options
Diffstat (limited to 'framework/src/suricata/src/decode-gre.h')
-rw-r--r-- | framework/src/suricata/src/decode-gre.h | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/framework/src/suricata/src/decode-gre.h b/framework/src/suricata/src/decode-gre.h deleted file mode 100644 index 6f3db29d..00000000 --- a/framework/src/suricata/src/decode-gre.h +++ /dev/null @@ -1,83 +0,0 @@ -/* Copyright (C) 2007-2010 Open Information Security Foundation - * - * You can copy, redistribute or modify this Program under the terms of - * the GNU General Public License version 2 as published by the Free - * Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * version 2 along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - */ - -/** - * \file decode-gre.h - * - * \author Breno Silva <breno.silva@gmail.com> - * - * Generic Route Encapsulation (GRE) from RFC 1701. - */ - -#ifndef __DECODE_GRE_H__ -#define __DECODE_GRE_H__ - -#ifndef IPPROTO_GRE -#define IPPROTO_GRE 47 -#endif - -#include "decode.h" -#include "threadvars.h" - -typedef struct GREHdr_ -{ - uint8_t flags; /**< GRE packet flags */ - uint8_t version; /**< GRE version */ - uint16_t ether_type; /**< ether type of the encapsulated traffic */ - -} __attribute__((__packed__)) GREHdr; - -/* Generic Routing Encapsulation Source Route Entries (SREs). - * The header is followed by a variable amount of Routing Information. - */ -typedef struct GRESreHdr_ -{ - uint16_t af; /**< Address family */ - uint8_t sre_offset; - uint8_t sre_length; -} __attribute__((__packed__)) GRESreHdr; - -#define GRE_VERSION_0 0x0000 -#define GRE_VERSION_1 0x0001 - -#define GRE_HDR_LEN 4 -#define GRE_CHKSUM_LEN 2 -#define GRE_OFFSET_LEN 2 -#define GRE_KEY_LEN 4 -#define GRE_SEQ_LEN 4 -#define GRE_SRE_HDR_LEN 4 -#define GRE_PROTO_PPP 0x880b - -#define GRE_FLAG_ISSET_CHKSUM(r) (r->flags & 0x80) -#define GRE_FLAG_ISSET_ROUTE(r) (r->flags & 0x40) -#define GRE_FLAG_ISSET_KY(r) (r->flags & 0x20) -#define GRE_FLAG_ISSET_SQ(r) (r->flags & 0x10) -#define GRE_FLAG_ISSET_SSR(r) (r->flags & 0x08) -#define GRE_FLAG_ISSET_RECUR(r) (r->flags & 0x07) -#define GRE_GET_VERSION(r) (r->version & 0x07) -#define GRE_GET_FLAGS(r) (r->version & 0xF8) -#define GRE_GET_PROTO(r) ntohs(r->ether_type) - -#define GREV1_HDR_LEN 8 -#define GREV1_ACK_LEN 4 -#define GREV1_FLAG_ISSET_FLAGS(r) (r->version & 0x78) -#define GREV1_FLAG_ISSET_ACK(r) (r->version & 0x80) - -void DecodeGRERegisterTests(void); - -#endif /* __DECODE_GRE_H__ */ - |