![Jörg Mayer](/assets/img/avatar_default.png)
winapi_cleanup tool written by Patrik Stridvall for the wine project. svn path=/trunk/; revision=6115
353 lines
9.5 KiB
C
353 lines
9.5 KiB
C
/* wtap-int.h
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*
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* $Id: wtap-int.h,v 1.28 2002/08/28 20:30:45 jmayer Exp $
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*
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* Wiretap Library
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* Copyright (c) 1998 by Gilbert Ramirez <gram@alumni.rice.edu>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef __WTAP_INT_H__
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#define __WTAP_INT_H__
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#ifdef HAVE_SYS_TIME_H
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#include <sys/time.h>
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#endif
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#include <glib.h>
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#include <stdio.h>
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#include <time.h>
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#ifdef HAVE_LIBZ
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#include <zlib.h>
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#define FILE_T gzFile
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#else /* No zLib */
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#define FILE_T FILE *
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#endif /* HAVE_LIBZ */
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#include "wtap.h"
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/* Information for a compressed Sniffer data stream. */
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typedef struct {
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unsigned char *buf; /* buffer into which we uncompress data */
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size_t nbytes; /* number of bytes of data in that buffer */
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int nextout; /* offset in that buffer of stream's current position */
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long comp_offset; /* current offset in compressed data stream */
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long uncomp_offset; /* current offset in uncompressed data stream */
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} ngsniffer_comp_stream_t;
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typedef struct {
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double timeunit;
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time_t start;
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int is_atm;
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ngsniffer_comp_stream_t seq; /* sequential access */
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ngsniffer_comp_stream_t rand; /* random access */
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GList *first_blob; /* list element for first blob */
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GList *last_blob; /* list element for last blob */
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GList *current_blob; /* list element for current blob */
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} ngsniffer_t;
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typedef struct {
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gboolean byte_swapped;
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int bchannel_prot[2]; /* For the V.120 heuristic */
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} i4btrace_t;
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typedef struct {
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gboolean is_hpux_11;
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} nettl_t;
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typedef struct {
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time_t start;
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} lanalyzer_t;
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typedef struct {
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gboolean byte_swapped;
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guint16 version_major;
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guint16 version_minor;
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} libpcap_t;
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typedef struct {
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time_t start_secs;
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guint32 start_usecs;
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guint8 version_major;
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guint32 *frame_table;
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guint32 frame_table_size;
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guint current_frame;
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} netmon_t;
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typedef struct {
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time_t start_time;
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double timeunit;
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double start_timestamp;
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gboolean wrapped;
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int end_offset;
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int version_major;
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guint padding; /* end-of-packet padding */
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} netxray_t;
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typedef struct {
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time_t inittime;
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int adjusted;
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long next_packet_seek_start;
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} ascend_t;
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typedef struct {
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gboolean byteswapped;
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} csids_t;
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typedef struct {
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struct timeval reference_time;
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} etherpeek_t;
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typedef gboolean (*subtype_read_func)(struct wtap*, int*, long*);
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typedef gboolean (*subtype_seek_read_func)(struct wtap*, long, union wtap_pseudo_header*,
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guint8*, int, int *);
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struct wtap {
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FILE_T fh;
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int fd; /* File descriptor for cap file */
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FILE_T random_fh; /* Secondary FILE_T for random access */
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int file_type;
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int snapshot_length;
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struct Buffer *frame_buffer;
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struct wtap_pkthdr phdr;
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union wtap_pseudo_header pseudo_header;
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long data_offset;
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union {
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libpcap_t *pcap;
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lanalyzer_t *lanalyzer;
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ngsniffer_t *ngsniffer;
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i4btrace_t *i4btrace;
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nettl_t *nettl;
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netmon_t *netmon;
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netxray_t *netxray;
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ascend_t *ascend;
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csids_t *csids;
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etherpeek_t *etherpeek;
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void *generic;
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} capture;
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subtype_read_func subtype_read;
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subtype_seek_read_func subtype_seek_read;
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void (*subtype_sequential_close)(struct wtap*);
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void (*subtype_close)(struct wtap*);
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int file_encap; /* per-file, for those
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file formats that have
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per-file encapsulation
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types */
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};
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struct wtap_dumper;
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typedef gboolean (*subtype_write_func)(struct wtap_dumper*,
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const struct wtap_pkthdr*, const union wtap_pseudo_header*,
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const guchar*, int*);
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typedef gboolean (*subtype_close_func)(struct wtap_dumper*, int*);
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typedef struct {
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gboolean first_frame;
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time_t start;
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} ngsniffer_dump_t;
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typedef struct {
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gboolean first_frame;
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struct timeval start;
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guint32 nframes;
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} netxray_dump_t;
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typedef struct {
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gboolean got_first_record_time;
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struct timeval first_record_time;
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guint32 frame_table_offset;
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guint32 *frame_table;
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guint frame_table_index;
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guint frame_table_size;
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} netmon_dump_t;
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struct wtap_dumper {
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FILE* fh;
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int file_type;
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int snaplen;
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int encap;
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long bytes_dumped;
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union {
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void *opaque;
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ngsniffer_dump_t *ngsniffer;
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netmon_dump_t *netmon;
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netxray_dump_t *netxray;
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} dump;
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subtype_write_func subtype_write;
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subtype_close_func subtype_close;
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};
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/* Macros to byte-swap 32-bit and 16-bit quantities. */
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#define BSWAP32(x) \
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((((x)&0xFF000000)>>24) | \
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(((x)&0x00FF0000)>>8) | \
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(((x)&0x0000FF00)<<8) | \
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(((x)&0x000000FF)<<24))
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#define BSWAP16(x) \
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((((x)&0xFF00)>>8) | \
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(((x)&0x00FF)<<8))
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/* Turn host-byte-order values into little-endian values. */
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#ifdef WORDS_BIGENDIAN
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#define htoles(s) ((guint16) \
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((guint16)((s) & 0x00FF)<<8| \
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(guint16)((s) & 0xFF00)>>8))
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#define htolel(l) ((guint32)((l) & 0x000000FF)<<24| \
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(guint32)((l) & 0x0000FF00)<<8| \
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(guint32)((l) & 0x00FF0000)>>8| \
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(guint32)((l) & 0xFF000000)>>24)
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#ifdef G_HAVE_GINT64
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#define htolell(ll) GUINT64_TO_LE(ll)
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#endif /* G_HAVE_GINT64 */
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#else /* WORDS_BIGENDIAN */
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#define htoles(s) (s)
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#define htolel(l) (l)
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#define htolell(ll) (ll)
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#endif /* WORDS_BIGENDIAN */
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/* Pointer versions of ntohs and ntohl. Given a pointer to a member of a
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* byte array, returns the value of the two or four bytes at the pointer.
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* The pletoh[sl] versions return the little-endian representation.
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*
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* If G_HAVE_GINT64 is defined, so we can use "gint64" and "guint64" to
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* refer to 64-bit integral quantities, we also provide pntohll and
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* phtolell, which extract 64-bit integral quantities.
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*/
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#ifndef pntohs
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#define pntohs(p) ((guint16) \
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((guint16)*((guint8 *)(p)+0)<<8| \
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(guint16)*((guint8 *)(p)+1)<<0))
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#endif
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#ifndef pntoh24
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#define pntoh24(p) ((guint32)*((guint8 *)(p)+0)<<16| \
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(guint32)*((guint8 *)(p)+1)<<8| \
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(guint32)*((guint8 *)(p)+2)<<0)
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#endif
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#ifndef pntohl
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#define pntohl(p) ((guint32)*((guint8 *)(p)+0)<<24| \
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(guint32)*((guint8 *)(p)+1)<<16| \
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(guint32)*((guint8 *)(p)+2)<<8| \
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(guint32)*((guint8 *)(p)+3)<<0)
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#endif
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#ifdef G_HAVE_GINT64
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#ifndef pntohll
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#define pntohll(p) ((guint64)*((guint8 *)(p)+0)<<56| \
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(guint64)*((guint8 *)(p)+1)<<48| \
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(guint64)*((guint8 *)(p)+2)<<40| \
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(guint64)*((guint8 *)(p)+3)<<32| \
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(guint64)*((guint8 *)(p)+4)<<24| \
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(guint64)*((guint8 *)(p)+5)<<16| \
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(guint64)*((guint8 *)(p)+6)<<8| \
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(guint64)*((guint8 *)(p)+7)<<0)
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#endif
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#endif
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#ifndef phtons
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#define phtons(p) ((guint16) \
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((guint16)*((guint8 *)(p)+0)<<8| \
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(guint16)*((guint8 *)(p)+1)<<0))
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#endif
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#ifndef phtonl
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#define phtonl(p) ((guint32)*((guint8 *)(p)+0)<<24| \
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(guint32)*((guint8 *)(p)+1)<<16| \
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(guint32)*((guint8 *)(p)+2)<<8| \
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(guint32)*((guint8 *)(p)+3)<<0)
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#endif
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#ifndef pletohs
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#define pletohs(p) ((guint16) \
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((guint16)*((guint8 *)(p)+1)<<8| \
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(guint16)*((guint8 *)(p)+0)<<0))
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#endif
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#ifndef pletoh24
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#define pletoh24(p) ((guint32)*((guint8 *)(p)+2)<<16| \
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(guint32)*((guint8 *)(p)+1)<<8| \
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(guint32)*((guint8 *)(p)+0)<<0)
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#endif
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#ifndef pletohl
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#define pletohl(p) ((guint32)*((guint8 *)(p)+3)<<24| \
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(guint32)*((guint8 *)(p)+2)<<16| \
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(guint32)*((guint8 *)(p)+1)<<8| \
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(guint32)*((guint8 *)(p)+0)<<0)
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#endif
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#ifdef G_HAVE_GINT64
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#ifndef pletohll
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#define pletohll(p) ((guint64)*((guint8 *)(p)+7)<<56| \
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(guint64)*((guint8 *)(p)+6)<<48| \
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(guint64)*((guint8 *)(p)+5)<<40| \
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(guint64)*((guint8 *)(p)+4)<<32| \
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(guint64)*((guint8 *)(p)+3)<<24| \
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(guint64)*((guint8 *)(p)+2)<<16| \
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(guint64)*((guint8 *)(p)+1)<<8| \
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(guint64)*((guint8 *)(p)+0)<<0)
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#endif
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#endif
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#define wtap_file_read_unknown_bytes(target, num_bytes, fh, err) \
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G_STMT_START \
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{ \
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int _bytes_read; \
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_bytes_read = file_read((target), 1, (num_bytes), (fh)); \
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if (_bytes_read != (num_bytes)) { \
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*(err) = file_error((fh)); \
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return FALSE; \
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} \
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} \
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G_STMT_END
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#define wtap_file_read_expected_bytes(target, num_bytes, fh, err) \
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G_STMT_START \
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{ \
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int _bytes_read; \
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_bytes_read = file_read((target), 1, (num_bytes), (fh)); \
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if (_bytes_read != (num_bytes)) { \
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*(err) = file_error((fh)); \
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if (*(err) == 0 && _bytes_read > 0) { \
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*(err) = WTAP_ERR_SHORT_READ; \
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} \
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return FALSE; \
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} \
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} \
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G_STMT_END
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/* glib doesn't have g_ptr_array_len of all things!*/
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#ifndef g_ptr_array_len
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#define g_ptr_array_len(a) ((a)->len)
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#endif
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#endif /* __WTAP_INT_H__ */
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