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/* packet-ncp-int.h
* Structures and functions for NetWare Core Protocol.
* Gilbert Ramirez <gram@alumni.rice.edu>
* Modified for NDS support by Greg Morris (gmorris@novell.com)
*
* Portions Copyright (c) Gilbert Ramirez 2000-2002
* Portions Copyright (c) Novell, Inc. 2000-2003
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 2000 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef __PACKET_NCP_INT_H__
#define __PACKET_NCP_INT_H__
#include <epan/expert.h>
#include <epan/ptvcursor.h>
typedef struct _ptvc_record ptvc_record;
typedef struct _sub_ptvc_record sub_ptvc_record;
typedef struct {
int *hf_ptr;
const char *first_string;
const char *repeat_string;
} info_string_t;
struct _ptvc_record {
int *hf_ptr;
int length;
const sub_ptvc_record *sub_ptvc_rec;
const info_string_t *req_info_str;
unsigned int endianness;
unsigned int var_index : 2;
unsigned int repeat_index : 2;
unsigned int req_cond_index : 8;
};
/*
* Every NCP packet has this common header (except for burst packets).
*/
struct ncp_common_header {
uint16_t type;
uint8_t sequence;
uint8_t conn_low;
uint8_t task;
uint8_t conn_high; /* type=0x5555 doesn't have this */
};
extern bool nds_defragment;
extern bool nds_echo_eid;
extern bool ncp_echo_err;
extern bool ncp_echo_conn;
extern bool ncp_echo_server;
extern bool ncp_echo_file;
extern bool ncp_newstyle;
struct _sub_ptvc_record {
int *ett;
const char *descr;
const ptvc_record *ptvc_rec;
};
typedef struct {
const char *dfilter_text;
struct epan_dfilter *dfilter;
} conditional_record;
struct novell_tap {
int stat;
int hdr;
};
typedef struct novell_tap _novell_tap;
typedef struct {
uint8_t error_in_packet;
int ncp_error_index;
} error_equivalency;
struct _ncp_record;
typedef void (ncp_expert_handler)(ptvcursor_t *ptvc, packet_info *pinfo, const struct _ncp_record *ncp_rec, bool request);
typedef struct _ncp_record {
uint8_t func;
uint8_t subfunc;
uint8_t has_subfunc;
const char* name;
int group;
const ptvc_record *request_ptvc;
const ptvc_record *reply_ptvc;
const error_equivalency *errors;
const int *req_cond_indexes;
unsigned int req_cond_size_type;
ncp_expert_handler *expert_handler_func;
} ncp_record;
/*
* XXX - should the object_name be a pointer, initialized to null,
* and set to a wmem-allocated copy of the full string?
*/
typedef struct {
const ncp_record *ncp_rec;
bool *req_cond_results;
uint32_t req_frame_num;
nstime_t req_frame_time;
uint16_t length;
uint32_t req_nds_flags;
uint32_t req_nds_prot_flags;
uint8_t nds_request_verb;
uint8_t nds_version;
char object_name[256];
bool nds_frag;
uint32_t nds_end_frag;
uint32_t nds_frag_num;
uint16_t req_mask;
uint16_t req_mask_ext;
uint32_t nds_frag_flags;
} ncp_req_hash_value;
WS_DLL_PUBLIC const value_string sss_verb_enum[];
WS_DLL_PUBLIC const value_string nmas_subverb_enum[];
WS_DLL_PUBLIC const value_string ncp_nds_verb_vals[];
void dissect_ncp_request(tvbuff_t*, packet_info*, uint32_t,
uint8_t, uint16_t, bool, proto_tree *volatile);
void dissect_ncp_reply(tvbuff_t *, packet_info*, uint32_t, uint8_t,
uint16_t, proto_tree*, struct novell_tap*);
void dissect_ping_req(tvbuff_t *, packet_info*, uint32_t, uint8_t,
uint16_t, proto_tree*);
void dissect_nds_request(tvbuff_t*, packet_info*, uint32_t,
uint8_t, uint16_t, proto_tree*);
void nds_defrag(tvbuff_t*, packet_info*, uint32_t,
uint8_t, uint16_t, proto_tree*, struct novell_tap*);
extern int proto_ncp;
extern int ett_ncp;
extern int ett_nds;
extern int ett_nds_segments;
extern int ett_nds_segment;
/*extern dissector_handle_t nds_data_handle;*/
/*
* NCP packet types.
*/
#define NCP_ALLOCATE_SLOT 0x1111
#define NCP_SERVICE_REQUEST 0x2222
#define NCP_SERVICE_REPLY 0x3333
#define NCP_WATCHDOG 0x3e3e
#define NCP_DEALLOCATE_SLOT 0x5555
#define NCP_BURST_MODE_XFER 0x7777
#define NCP_POSITIVE_ACK 0x9999
#define NCP_BROADCAST_SLOT 0xbbbb
#define NCP_LIP_ECHO 0x4c69
#endif
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