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Diffstat (limited to 'framework/src/suricata/src/decode-pppoe.h')
| -rw-r--r-- | framework/src/suricata/src/decode-pppoe.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/framework/src/suricata/src/decode-pppoe.h b/framework/src/suricata/src/decode-pppoe.h new file mode 100644 index 00000000..6aecf741 --- /dev/null +++ b/framework/src/suricata/src/decode-pppoe.h @@ -0,0 +1,82 @@ +/* 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 + * + * \author James Riden <jamesr@europe.com> + */ + +#ifndef __DECODE_PPPOE_H__ +#define __DECODE_PPPOE_H__ + +#include "decode.h" +#include "threadvars.h" + +#define PPPOE_SESSION_HEADER_LEN 8 +#define PPPOE_DISCOVERY_HEADER_MIN_LEN 6 +#define PPPOE_SESSION_GET_VERSION(hdr) ((hdr)->pppoe_version_type & 0xF0) >> 4 +#define PPPOE_SESSION_GET_TYPE(hdr) ((hdr)->pppoe_version_type & 0x0F) +#define PPPOE_DISCOVERY_GET_VERSION(hdr) ((hdr)->pppoe_version_type & 0xF0) >> 4 +#define PPPOE_DISCOVERY_GET_TYPE(hdr) ((hdr)->pppoe_version_type & 0x0F) + +typedef struct PPPOESessionHdr_ +{ + uint8_t pppoe_version_type; + uint8_t pppoe_code; + uint16_t session_id; + uint16_t pppoe_length; + uint16_t protocol; +} PPPOESessionHdr; + +typedef struct PPPOEDiscoveryTag_ +{ + uint16_t pppoe_tag_type; + uint16_t pppoe_tag_length; +} __attribute__((__packed__)) PPPOEDiscoveryTag; + +typedef struct PPPOEDiscoveryHdr_ +{ + uint8_t pppoe_version_type; + uint8_t pppoe_code; + uint16_t discovery_id; + uint16_t pppoe_length; +} __attribute__((__packed__)) PPPOEDiscoveryHdr; + +/* see RFC 2516 - discovery codes */ +#define PPPOE_CODE_PADI 0x09 +#define PPPOE_CODE_PADO 0x07 +#define PPPOE_CODE_PADR 0x19 +#define PPPOE_CODE_PADS 0x65 +#define PPPOE_CODE_PADT 0xa7 + +/* see RFC 2516 Appendix A */ +#define PPPOE_TAG_END_OF_LIST 0x0000 /* End-Of-List */ +#define PPPOE_TAG_SERVICE_NAME 0x0101 /* Service-Name */ +#define PPPOE_TAG_AC_NAME 0x0102 /* AC-Name */ +#define PPPOE_TAG_HOST_UNIQ 0x0103 /* Host-Uniq */ +#define PPPOE_TAG_AC_COOKIE 0x0104 /* AC-Cookie */ +#define PPPOE_TAG_VENDOR_SPECIFIC 0x0105 /* Vendor-Specific */ +#define PPPOE_TAG_RELAY_SESSION_ID 0x0110 /* Relay-Session-Id */ +#define PPPOE_TAG_SERVICE_NAME_ERROR 0x0201 /* Service-Name-Error */ +#define PPPOE_TAG_AC_SYS_ERROR 0x0202 /* AC-System Error */ +#define PPPOE_TAG_GEN_ERROR 0x0203 /* Generic-Error */ + +void DecodePPPOERegisterTests(void); + +#endif /* __DECODE_PPPOE_H__ */ + |