forked from osmocom/wireshark
![Guy Harris](/assets/img/avatar_default.png)
function pointer (to main) to an argument to dladdr() is done in init_progfile_dir() rather than its callers. svn path=/trunk/; revision=27814
433 lines
11 KiB
C
433 lines
11 KiB
C
/* capinfos.c
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* Reports capture file information including # of packets, duration, others
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*
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* Copyright 2004 Ian Schorr
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*
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* $Id$
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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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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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdarg.h>
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#include <errno.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.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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#include <glib.h>
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#include <epan/packet.h>
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#include <epan/filesystem.h>
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#include <epan/plugins.h>
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#include <epan/report_err.h>
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#include "wtap.h"
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#include <wsutil/privileges.h>
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#ifdef NEED_GETOPT_H
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#include "getopt.h"
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#endif
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static gboolean cap_file_type = FALSE; /* Do not report capture type */
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static gboolean cap_file_encap = FALSE; /* Do not report encapsulation */
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static gboolean cap_packet_count = FALSE; /* Do not produce packet count */
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static gboolean cap_file_size = FALSE; /* Do not report file size */
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static gboolean cap_data_size = FALSE; /* Do not report packet byte size */
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static gboolean cap_duration = FALSE; /* Do not report capture duration */
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static gboolean cap_start_time = FALSE;
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static gboolean cap_end_time = FALSE;
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static gboolean cap_data_rate_byte = FALSE;
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static gboolean cap_data_rate_bit = FALSE;
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static gboolean cap_packet_size = FALSE;
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static gboolean cap_packet_rate = FALSE;
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typedef struct _capture_info {
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const char *filename;
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guint16 file_type;
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int file_encap;
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gint64 filesize;
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guint64 packet_bytes;
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double start_time;
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double stop_time;
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guint32 packet_count;
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gboolean snap_set;
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guint32 snaplen;
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gboolean drops_known;
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guint32 drop_count;
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double duration;
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double packet_rate;
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double packet_size;
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double data_rate; /* in bytes */
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} capture_info;
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static double
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secs_nsecs(const struct wtap_nstime * nstime)
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{
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return (nstime->nsecs / 1000000000.0) + (double)nstime->secs;
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}
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static void
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print_stats(capture_info *cf_info)
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{
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const gchar *file_type_string, *file_encap_string;
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time_t start_time_t;
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time_t stop_time_t;
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/* Build printable strings for various stats */
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file_type_string = wtap_file_type_string(cf_info->file_type);
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file_encap_string = wtap_encap_string(cf_info->file_encap);
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start_time_t = (time_t)cf_info->start_time;
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stop_time_t = (time_t)cf_info->stop_time;
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if (cap_file_type) printf("File type: %s\n", file_type_string);
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if (cap_file_encap) printf("File encapsulation: %s\n", file_encap_string);
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if (cap_packet_count) printf("Number of packets: %u \n", cf_info->packet_count);
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if (cap_file_size) printf("File size: %" G_GINT64_MODIFIER "d bytes\n", cf_info->filesize);
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if (cap_data_size) printf("Data size: %" G_GINT64_MODIFIER "u bytes\n", cf_info->packet_bytes);
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if (cap_duration) printf("Capture duration: %f seconds\n", cf_info->duration);
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if (cap_start_time) printf("Start time: %s", (cf_info->packet_count>0) ? ctime (&start_time_t) : "n/a\n");
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if (cap_end_time) printf("End time: %s", (cf_info->packet_count>0) ? ctime (&stop_time_t) : "n/a\n");
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if (cap_data_rate_byte) printf("Data rate: %.2f bytes/s\n", cf_info->data_rate);
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if (cap_data_rate_bit) printf("Data rate: %.2f bits/s\n", cf_info->data_rate*8);
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if (cap_packet_size) printf("Average packet size: %.2f bytes\n", cf_info->packet_size);
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if (cap_packet_rate) printf("Average packet rate: %.2f packets/s\n", cf_info->packet_rate);
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}
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static int
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process_cap_file(wtap *wth, const char *filename)
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{
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int err;
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gchar *err_info;
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gint64 size;
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gint64 data_offset;
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guint32 packet = 0;
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gint64 bytes = 0;
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const struct wtap_pkthdr *phdr;
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capture_info cf_info;
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double start_time = 0;
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double stop_time = 0;
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double cur_time = 0;
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/* Tally up data that we need to parse through the file to find */
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while (wtap_read(wth, &err, &err_info, &data_offset)) {
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phdr = wtap_phdr(wth);
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cur_time = secs_nsecs(&phdr->ts);
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if(packet==0) {
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start_time = cur_time;
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stop_time = cur_time;
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}
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if (cur_time < start_time) {
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start_time = cur_time;
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}
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if (cur_time > stop_time) {
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stop_time = cur_time;
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}
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bytes+=phdr->len;
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packet++;
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}
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if (err != 0) {
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fprintf(stderr,
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"capinfos: An error occurred after reading %u packets from \"%s\": %s.\n",
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packet, filename, wtap_strerror(err));
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switch (err) {
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case WTAP_ERR_UNSUPPORTED:
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case WTAP_ERR_UNSUPPORTED_ENCAP:
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case WTAP_ERR_BAD_RECORD:
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fprintf(stderr, "(%s)\n", err_info);
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g_free(err_info);
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break;
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}
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return 1;
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}
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/* File size */
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size = wtap_file_size(wth, &err);
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if (size == -1) {
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fprintf(stderr,
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"capinfos: Can't get size of \"%s\": %s.\n",
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filename, strerror(err));
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return 1;
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}
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cf_info.filesize = size;
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/* File Type */
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cf_info.file_type = wtap_file_type(wth);
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/* File Encapsulation */
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cf_info.file_encap = wtap_file_encap(wth);
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/* # of packets */
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cf_info.packet_count = packet;
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/* File Times */
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cf_info.start_time = start_time;
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cf_info.stop_time = stop_time;
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cf_info.duration = stop_time-start_time;
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/* Number of packet bytes */
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cf_info.packet_bytes = bytes;
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if (packet > 0) {
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cf_info.data_rate = (double)bytes / (stop_time-start_time); /* Data rate per second */
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cf_info.packet_rate = (double)packet / (stop_time-start_time); /* packet rate per second */
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cf_info.packet_size = (double)bytes / packet; /* Avg packet size */
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}
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else {
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cf_info.data_rate = 0.0;
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cf_info.packet_rate = 0.0;
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cf_info.packet_size = 0.0;
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}
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printf("File name: %s\n", filename);
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print_stats(&cf_info);
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return 0;
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}
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static void
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usage(gboolean is_error)
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{
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FILE *output;
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if (!is_error) {
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output = stdout;
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/* XXX - add capinfos header info here */
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}
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else {
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output = stderr;
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}
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fprintf(output, "Capinfos %s"
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#ifdef SVNVERSION
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" (" SVNVERSION ")"
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#endif
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"\n", VERSION);
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fprintf(output, "Prints information about capture files.\n");
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fprintf(output, "See http://www.wireshark.org for more information.\n");
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fprintf(output, "\n");
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fprintf(output, "Usage: capinfos [options] <infile> ...\n");
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fprintf(output, "\n");
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fprintf(output, "General:\n");
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fprintf(output, " -t display the capture file type\n");
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fprintf(output, " -E display the capture file encapsulation\n");
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fprintf(output, "\n");
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fprintf(output, "Size:\n");
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fprintf(output, " -c display the number of packets\n");
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fprintf(output, " -s display the size of the file (in bytes)\n");
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fprintf(output, " -d display the total length of all packets (in bytes)\n");
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fprintf(output, "\n");
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fprintf(output, "Time:\n");
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fprintf(output, " -u display the capture duration (in seconds) \n");
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fprintf(output, " -a display the capture start time\n");
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fprintf(output, " -e display the capture end time\n");
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fprintf(output, "\n");
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fprintf(output, "Statistic:\n");
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fprintf(output, " -y display average data rate (in bytes/s)\n");
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fprintf(output, " -i display average data rate (in bits/s)\n");
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fprintf(output, " -z display average packet size (in bytes)\n");
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fprintf(output, " -x display average packet rate (in packets/s)\n");
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fprintf(output, "\n");
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fprintf(output, "Miscellaneous:\n");
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fprintf(output, " -h display this help and exit\n");
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fprintf(output, "\n");
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fprintf(output, "If no options are given, default is to display all infos\n");
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}
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#ifdef HAVE_PLUGINS
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/*
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* Don't report failures to load plugins because most (non-wiretap) plugins
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* *should* fail to load (because we're not linked against libwireshark and
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* dissector plugins need libwireshark).
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*/
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static void
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failure_message(const char *msg_format _U_, va_list ap _U_)
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{
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return;
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}
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#endif
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int
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main(int argc, char *argv[])
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{
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wtap *wth;
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int err;
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gchar *err_info;
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extern int optind;
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int opt;
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int status = 0;
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#ifdef HAVE_PLUGINS
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char* init_progfile_dir_error;
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#endif
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/*
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* Get credential information for later use.
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*/
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get_credential_info();
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#ifdef HAVE_PLUGINS
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/* Register wiretap plugins */
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if ((init_progfile_dir_error = init_progfile_dir(argv[0], main))) {
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g_warning("capinfos: init_progfile_dir(): %s", init_progfile_dir_error);
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g_free(init_progfile_dir_error);
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} else {
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init_report_err(failure_message,NULL,NULL,NULL);
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init_plugins();
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}
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#endif
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/* Process the options */
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while ((opt = getopt(argc, argv, "tEcsduaeyizvhx")) !=-1) {
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switch (opt) {
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case 't':
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cap_file_type = TRUE;
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break;
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case 'E':
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cap_file_encap = TRUE;
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break;
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case 'c':
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cap_packet_count = TRUE;
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break;
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case 's':
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cap_file_size = TRUE;
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break;
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case 'd':
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cap_data_size = TRUE;
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break;
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case 'u':
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cap_duration = TRUE;
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break;
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case 'a':
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cap_start_time = TRUE;
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break;
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case 'e':
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cap_end_time = TRUE;
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break;
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case 'y':
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cap_data_rate_byte = TRUE;
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break;
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case 'i':
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cap_data_rate_bit = TRUE;
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break;
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case 'z':
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cap_packet_size = TRUE;
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break;
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case 'x':
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cap_packet_rate = TRUE;
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break;
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case 'h':
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usage(FALSE);
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exit(1);
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break;
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case '?': /* Bad flag - print usage message */
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usage(TRUE);
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exit(1);
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break;
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}
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}
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if (optind < 2) {
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/* If no arguments were given, by default display all statistics */
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cap_file_type = TRUE;
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cap_file_encap = TRUE;
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cap_packet_count = TRUE;
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cap_file_size = TRUE;
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cap_data_size = TRUE;
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cap_duration = TRUE;
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cap_start_time = TRUE;
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cap_end_time = TRUE;
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cap_data_rate_byte = TRUE;
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cap_data_rate_bit = TRUE;
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cap_packet_size = TRUE;
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cap_packet_rate = TRUE;
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}
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if ((argc - optind) < 1) {
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usage(TRUE);
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exit(1);
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}
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for (opt = optind; opt < argc; opt++) {
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wth = wtap_open_offline(argv[opt], &err, &err_info, FALSE);
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if (!wth) {
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fprintf(stderr, "capinfos: Can't open %s: %s\n", argv[opt],
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wtap_strerror(err));
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switch (err) {
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case WTAP_ERR_UNSUPPORTED:
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case WTAP_ERR_UNSUPPORTED_ENCAP:
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case WTAP_ERR_BAD_RECORD:
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fprintf(stderr, "(%s)\n", err_info);
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g_free(err_info);
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break;
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}
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exit(1);
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}
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if (opt > optind)
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printf("\n");
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status = process_cap_file(wth, argv[opt]);
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wtap_close(wth);
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if (status)
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exit(status);
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}
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return 0;
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}
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