Initial revisionstartethereal-0.3.15ethereal-0-3-15backups/ethereal@18706ethereal

svn path=/trunk/; revision=2

1 files changed, 99 insertions, 0 deletions

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+/* file.h
+ * Definitions for file structures and routines
+ *
+ * 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__
+
+#include <sys/types.h>
+#include <sys/time.h>
+
+#include <pcap.h>
+
+/* Data file formats */
+#define CD_UNKNOWN    0
+#define CD_WIRE       1
+#define CD_SNOOP      2
+#define CD_PCAP_BE    3
+#define CD_PCAP_LE    4
+#define CD_NA_UNCOMPR 5
+
+/* Data file magic info */
+#define SNOOP_MAGIC_1 0x736e6f6f /* 'snoop' in ASCII */
+#define SNOOP_MAGIC_2 0x70000000
+#define PCAP_MAGIC    0xa1b2c3d4
+
+/* Data file format versions we can handle */
+#define SNOOP_MIN_VERSION 2
+#define SNOOP_MAX_VERSION 2
+
+/* Link types (removed in favor of the DLT_* defines from bpf.h */
+
+typedef struct bpf_program bpf_prog;
+
+typedef struct _capture_file {
+  FILE       *fh;        /* Capture file */
+  long        f_len;     /* File length */
+  int         swap;      /* Swap data bytes? */
+  guint16     cd_t;      /* Capture data type */
+  guint32     vers;      /* Version.  For tcpdump minor is appended to major */
+  guint32     lnk_t;     /* Network link type */
+  guint32     count;     /* Packet count */
+  guint32     drops;     /* Dropped packets */
+  guint32     esec;      /* Elapsed seconds */
+  guint32     eusec;     /* Elapsed microseconds */
+  guint32     snap;      /* Captured packet length */
+  gchar      *iface;     /* Interface */
+  gchar      *save_file; /* File to write capture data */
+  pcap_t     *pfh;       /* Pcap session */
+  gchar      *filter;    /* Pcap filter string */
+  bpf_prog    fcode;     /* Compiled filter program */
+  guint8      pd[4096];  /* Packet data */
+  GList      *plist;     /* Packet list */
+  frame_data *cur;       /* Current list item */
+} capture_file;
+
+/* Taken from RFC 1761 */
+
+typedef struct _snoop_file_hdr {
+  guint32 magic1;
+  guint32 magic2;
+  guint32 vers;
+  guint32 s_lnk_t;
+} snoop_file_hdr;
+
+typedef struct _snoop_frame_hdr {
+  guint32 orig_len;
+  guint32 inc_len;
+  guint32 pr_len;
+  guint32 drops;
+  guint32 secs;
+  guint32 usecs;
+} snoop_frame_hdr;
+
+int  open_cap_file(char *, capture_file *);
+void close_cap_file(capture_file *, GtkWidget *, guint);
+int  load_cap_file(char *, capture_file *);
+void pcap_dispatch_cb(u_char *, const struct pcap_pkthdr *, const u_char *);
+/* size_t read_frame_header(capture_file *); */
+
+#endif /* file.h */