forked from osmocom/wireshark
82380ce2c4
The second argument to g_ptr_array_free() does not indicate to glib to free the objects that the pointers in the GPtrArray refer to, but simply whether or not the free the block of pointers. We have to free the objects ourselves. svn path=/trunk/; revision=4391
356 lines
9.4 KiB
C
356 lines
9.4 KiB
C
/* wtap-int.h
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*
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* $Id: wtap-int.h,v 1.18 2001/12/13 05:49:13 gram 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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*/
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#ifndef __WTAP_INT_H__
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#define __WTAP_INT_H__
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#ifdef HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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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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#ifdef HAVE_WINSOCK_H
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#include <winsock.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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int wrapped;
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int end_offset;
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int version_major;
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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 int (*subtype_read_func)(struct wtap*, int*, long*);
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typedef int (*subtype_seek_read_func)(struct wtap*, long, union wtap_pseudo_header*,
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guint8*, 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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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 u_char*, 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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