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/** @file
*
* text_import.h
* State machine for text import
* November 2010, Jaap Keuter <jaap.keuter@xs4all.nl>
* Modified February 2021, Paul Weiß
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* Based on text2pcap.h by Ashok Narayanan <ashokn@cisco.com>
*
* SPDX-License-Identifier: GPL-2.0-or-later*
*******************************************************************************/
#ifndef __TEXT_IMPORT_H__
#define __TEXT_IMPORT_H__
#include <stdio.h>
#include <wireshark.h>
#include <wiretap/wtap.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/* The parameter interface */
enum offset_type
{
OFFSET_NONE = 0,
OFFSET_HEX,
OFFSET_OCT,
OFFSET_DEC
};
enum data_encoding {
ENCODING_PLAIN_HEX,
ENCODING_PLAIN_OCT,
ENCODING_PLAIN_BIN,
ENCODING_BASE64
};
enum dummy_header_type
{
HEADER_NONE,
HEADER_ETH,
HEADER_IPV4,
HEADER_UDP,
HEADER_TCP,
HEADER_SCTP,
HEADER_SCTP_DATA,
HEADER_EXPORT_PDU
};
enum text_import_mode {
TEXT_IMPORT_HEXDUMP,
TEXT_IMPORT_REGEX
};
typedef struct
{
/* Input info */
// TODO: add const, as this way string constants can't be used
// BUT: the other way clang-check complains when you free them
/* const */ char *import_text_filename;
char *output_filename;
enum text_import_mode mode;
struct {
FILE *import_text_FILE;
enum offset_type offset_type;
bool has_direction;
bool identify_ascii;
} hexdump;
struct {
GMappedFile* import_text_GMappedFile;
/* const */ GRegex* format;
enum data_encoding encoding;
/* const */ char* in_indication;
/* const */ char* out_indication;
} regex;
const char* timestamp_format;
/* Import info */
/* Wiretap encapsulation type; see wiretap/wtap.h for details */
unsigned encapsulation;
wtap_dumper* wdh;
/* Dummy header info (if encapsulation == 1) */
enum dummy_header_type dummy_header_type;
unsigned pid;
bool ipv6;
union {
ws_in4_addr ipv4;
ws_in6_addr ipv6;
} ip_src_addr;
union {
ws_in4_addr ipv4;
ws_in6_addr ipv6;
} ip_dest_addr;
unsigned protocol;
unsigned src_port;
unsigned dst_port;
unsigned tag;
unsigned ppi;
/* const */ char* payload;
unsigned max_frame_length;
/* Output info */
unsigned num_packets_read;
unsigned num_packets_written;
} text_import_info_t;
int text_import(text_import_info_t * const info);
/* Write the SHB and IDB to the wtap_dump_params before opening the wtap dump
* file. While dummy headers can be written automatically, this writes out
* some extra information including an optional interface name.
*
* NOTE: The caller will be responsible for freeing params->idb_inf after
* finished with the wtap_dumper to avoid a memory leak. wtap_dump_close
* does not free it.
*/
int
text_import_pre_open(wtap_dump_params * const params, int file_type_subtype, const char* const input_filename, const char* const interface_name);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __TEXT_IMPORT_H__ */
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