summaryrefslogtreecommitdiff
path: root/file.h
blob: c6a0b663552d296a136f62bdeb094383c5ace809 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
/* file.h
 * Definitions for file structures and routines
 *
 * $Id: file.h,v 1.32 1999/08/13 23:47:42 gram Exp $
 *
 * Ethereal - Network traffic analyzer
 * By Gerald Combs <gerald@zing.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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */

#ifndef __FILE_H__
#define __FILE_H__

#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif

#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif

#ifndef __WTAP_H__
#include "wiretap/wtap.h"
#endif

#ifdef HAVE_LIBPCAP
#ifndef lib_pcap_h
#include <pcap.h>
#endif
#endif

#ifndef __DFILTER_H__
#include "dfilter.h"
#endif

typedef struct bpf_program bpf_prog;

typedef struct _capture_file {
  FILE        *fh;        /* Capture file */
  gchar       *filename;  /* filename */
  long         f_len;     /* File length */
  guint16      cd_t;      /* Capture data type */
  const gchar *cd_t_desc;/* Description of that data type */
  guint32      vers;      /* Version.  For tcpdump minor is appended to major */
  guint32      count;     /* Packet count */
  gfloat       unfiltered_count; /* used for dfilter progress bar */
  guint32      drops;     /* Dropped packets */
  guint32      esec;      /* Elapsed seconds */
  guint32      eusec;     /* Elapsed microseconds */
  guint32      snap;      /* Captured packet length */
  gchar       *iface;     /* Interface */
  gchar       *save_file; /* File that user saved capture to */
  gint         user_saved;/* Was capture file saved by user yet? */
  wtap        *wth;       /* Wiretap session */
  gchar       *rfilter;   /* Read filter string */
  gchar       *dfilter;   /* Display filter string */
  dfilter     *dfcode;    /* Compiled display filter program */ 
#ifdef HAVE_LIBPCAP
  gchar       *cfilter;   /* Capture filter string */
  bpf_prog     fcode;     /* Compiled capture filter program */
#endif
  /* XXX - I'm cheating for now. I'll hardcode 65536 here until I re-arrange
   * more header files so that ethereal.h is split up into two files, a
   * generic header and a gtk+-specific header (or the gtk+ definitions are
   * moved to different header files) --gilbert
   */
  /*guint8       pd[MAX_PACKET_SIZE];*/  /* Packet data */
  guint8       pd[65536];  /* Packet data */
  frame_data  *plist;     /* Packet list */
  frame_data  *plist_end; /* Last packet in list */
  column_info  cinfo;    /* Column formatting information */
  int          selected_packet;   /* Index in packet list of currently selected packet, if any */
  int          selected_row;   /* Row in packet display of currently selected packet, if any */
  frame_data  *fd;        /* Frame data for currently selected packet */
  proto_tree  *protocol_tree; /* Protocol tree for currently selected packet */
  FILE        *print_fh;  /* File we're printing to */
} capture_file;


/*
 * "open_cap_file()" can return:
 *
 * 0 on success;
 *
 * a positive "errno" value on an open failure;
 *
 * a negative number, indicating the type of error, on other failures.
 */
#define	OPEN_CAP_FILE_NOT_REGULAR	-1	/* not a plain file */
#define	OPEN_CAP_FILE_UNKNOWN_FORMAT	-2	/* not a capture file in a known format */

int  open_cap_file(char *, capture_file *);
void close_cap_file(capture_file *, void *, guint);
int  load_cap_file(char *, char *, capture_file *);
int  tail_cap_file(char *, capture_file *);
/* size_t read_frame_header(capture_file *); */

int print_packets(capture_file *cf, int to_file, const char *dest);
void filter_packets(capture_file *);
void change_time_formats(capture_file *);
void select_packet(capture_file *, int);
void unselect_packet(capture_file *);

/* Moves or copies a file. Returns 0 on failure, 1 on success */
int file_mv(char *from, char *to);

/* Copies a file. Returns 0 on failure, 1 on success */
int file_cp(char *from, char *to);

char *file_open_error_message(int, int);
char *file_read_error_message(int);
char *file_write_error_message(int);

#endif /* file.h */