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/*
* packet-radius.h
*
* Definitions for RADIUS packet disassembly
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* 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
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <epan/proto.h>
/* radius packet-type codes */
/* 09/12/2011: Updated from IANA:
* http://www.iana.org/assignments/radius-types/radius-types.xml#radius-types-27
*/
#define RADIUS_PKT_TYPE_ACCESS_REQUEST 1
#define RADIUS_PKT_TYPE_ACCESS_ACCEPT 2
#define RADIUS_PKT_TYPE_ACCESS_REJECT 3
#define RADIUS_PKT_TYPE_ACCOUNTING_REQUEST 4
#define RADIUS_PKT_TYPE_ACCOUNTING_RESPONSE 5
#define RADIUS_PKT_TYPE_ACCOUNTING_STATUS 6
#define RADIUS_PKT_TYPE_PASSWORD_REQUEST 7
#define RADIUS_PKT_TYPE_PASSWORD_ACK 8
#define RADIUS_PKT_TYPE_PASSWORD_REJECT 9
#define RADIUS_PKT_TYPE_ACCOUNTING_MESSAGE 10
#define RADIUS_PKT_TYPE_ACCESS_CHALLENGE 11
#define RADIUS_PKT_TYPE_STATUS_SERVER 12
#define RADIUS_PKT_TYPE_STATUS_CLIENT 13
#define RADIUS_PKT_TYPE_RESOURCE_FREE_REQUEST 21
#define RADIUS_PKT_TYPE_RESOURCE_FREE_RESPONSE 22
#define RADIUS_PKT_TYPE_RESOURCE_QUERY_REQUEST 23
#define RADIUS_PKT_TYPE_RESOURCE_QUERY_RESPONSE 24
#define RADIUS_PKT_TYPE_ALTERNATE_RESOURCE_RECLAIM_REQUEST 25
#define RADIUS_PKT_TYPE_NAS_REBOOT_REQUEST 26
#define RADIUS_PKT_TYPE_NAS_REBOOT_RESPONSE 27
#define RADIUS_PKT_TYPE_NEXT_PASSCODE 29
#define RADIUS_PKT_TYPE_NEW_PIN 30
#define RADIUS_PKT_TYPE_TERMINATE_SESSION 31
#define RADIUS_PKT_TYPE_PASSWORD_EXPIRED 32
#define RADIUS_PKT_TYPE_EVENT_REQUEST 33
#define RADIUS_PKT_TYPE_EVENT_RESPONSE 34
#define RADIUS_PKT_TYPE_DISCONNECT_REQUEST 40
#define RADIUS_PKT_TYPE_DISCONNECT_ACK 41
#define RADIUS_PKT_TYPE_DISCONNECT_NAK 42
#define RADIUS_PKT_TYPE_COA_REQUEST 43
#define RADIUS_PKT_TYPE_COA_ACK 44
#define RADIUS_PKT_TYPE_COA_NAK 45
#define RADIUS_PKT_TYPE_IP_ADDRESS_ALLOCATE 50
#define RADIUS_PKT_TYPE_IP_ADDRESS_RELEASE 51
/* ALU proprietary packet type codes */
#define RADIUS_PKT_TYPE_ALU_STATE_REQUEST 129
#define RADIUS_PKT_TYPE_ALU_STATE_ACCEPT 130
#define RADIUS_PKT_TYPE_ALU_STATE_REJECT 131
#define RADIUS_PKT_TYPE_ALU_STATE_ERROR 132
/* Radius Attribute Types*/
/* 09/12/2011: Updated from IANA:
* http://www.iana.org/assignments/radius-types/radius-types.xml#radius-types-1
*/
#define RADIUS_ATTR_TYPE_VENDOR_SPECIFIC 26
#define RADIUS_ATTR_TYPE_EAP_MESSAGE 79
typedef struct _radius_vendor_info_t {
const gchar *name;
guint code;
GHashTable* attrs_by_id;
gint ett;
guint type_octets;
guint length_octets;
gboolean has_flags;
} radius_vendor_info_t;
typedef struct _radius_attr_info_t radius_attr_info_t;
typedef void (radius_attr_dissector_t)(radius_attr_info_t*, proto_tree*, packet_info*, tvbuff_t*, int, int, proto_item* );
typedef const gchar* (radius_avp_dissector_t)(proto_tree*,tvbuff_t*, packet_info*);
struct _radius_attr_info_t {
const gchar *name;
guint code;
guint encrypt; /* 0 or value for "encrypt=" option */
gboolean tagged;
radius_attr_dissector_t* type;
radius_avp_dissector_t* dissector;
const value_string *vs;
gint ett;
int hf;
int hf_alt; /* 64-bit version for integers, encrypted version for strings, IPv6 for radius_combo_ip */
int hf_tag;
int hf_len;
GHashTable* tlvs_by_id;
};
typedef struct _radius_dictionary_t {
GHashTable* attrs_by_id;
GHashTable* attrs_by_name;
GHashTable* vendors_by_id;
GHashTable* vendors_by_name;
GHashTable* tlvs_by_name;
} radius_dictionary_t;
radius_attr_dissector_t radius_integer;
radius_attr_dissector_t radius_string;
radius_attr_dissector_t radius_octets;
radius_attr_dissector_t radius_ipaddr;
radius_attr_dissector_t radius_ipv6addr;
radius_attr_dissector_t radius_ipv6prefix;
radius_attr_dissector_t radius_ipxnet;
radius_attr_dissector_t radius_date;
radius_attr_dissector_t radius_abinary;
radius_attr_dissector_t radius_ether;
radius_attr_dissector_t radius_ifid;
radius_attr_dissector_t radius_byte;
radius_attr_dissector_t radius_short;
radius_attr_dissector_t radius_signed;
radius_attr_dissector_t radius_combo_ip;
radius_attr_dissector_t radius_tlv;
extern void radius_register_avp_dissector(guint32 vendor_id, guint32 attribute_id, radius_avp_dissector_t dissector);
void dissect_attribute_value_pairs(proto_tree *tree, packet_info *pinfo, tvbuff_t *tvb, int offset, guint length);
/* from radius_dict.l */
gboolean radius_load_dictionary (radius_dictionary_t* dict, gchar* directory, const gchar* filename, gchar** err_str);
/* Item of request list */
typedef struct _radius_call_t
{
guint code;
guint ident;
guint32 req_num; /* frame number request seen */
guint32 rsp_num; /* frame number response seen */
guint32 rspcode;
nstime_t req_time;
gboolean responded;
guint8 *req_authenticator; /* request authenticator to validate response */
} radius_call_t;
/* Container for tapping relevant data */
typedef struct _radius_info_t
{
guint code;
guint ident;
nstime_t req_time;
gboolean is_duplicate;
gboolean request_available;
guint32 req_num; /* frame number request seen */
guint32 rspcode;
} radius_info_t;
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