/* Edit capture files. We can delete packets, adjust timestamps, or
* simply convert from one format to another format.
*
- * $Id$
- *
* Originally written by Richard Sharpe.
* Improved by Guy Harris.
* Further improved by Richard Sharpe.
+ *
+ * Copyright 2013, Richard Sharpe <realrichardsharpe[AT]gmail.com>
+ *
+ * $Id$
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.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.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-#ifdef HAVE_CONFIG_H
#include "config.h"
-#endif
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#endif
-
-
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#include "wtap.h"
-#ifdef HAVE_GETOPT_H
-#include <getopt.h>
-#else
+#ifndef HAVE_GETOPT
#include "wsutil/wsgetopt.h"
#endif
#ifdef _WIN32
+#include <wsutil/file_util.h>
+#include <wsutil/unicode-utils.h>
#include <process.h> /* getpid */
#ifdef HAVE_WINSOCK2_H
#include <winsock2.h>
# include "wsutil/strptime.h"
#endif
-#include "epan/crypt/crypt-md5.h"
+#include <wsutil/privileges.h>
+
+/*
+ * The symbols declared in the below are exported from libwireshark,
+ * but we don't want to link whole libwireshark to editcap.
+ * We link the object directly instead and this needs a little trick
+ * with the WS_BUILD_DLL #define.
+ */
+#define WS_BUILD_DLL
+#define RESET_SYMBOL_EXPORT /* wsutil/wsgetopt.h set export behavior above. */
+#include "epan/crypt/md5.h"
#include "epan/plugins.h"
#include "epan/report_err.h"
#include "epan/filesystem.h"
-#include <wsutil/privileges.h>
#include "epan/nstime.h"
+#undef WS_BUILD_DLL
+#define RESET_SYMBOL_EXPORT
#include "svnversion.h"
+#include "ringbuffer.h" /* For RINGBUFFER_MAX_NUM_FILES */
+
/*
* Some globals so we can pass things to various routines
*/
static struct select_item selectfrm[MAX_SELECTIONS];
static int max_selected = -1;
static int keep_em = 0;
-static int out_file_type = WTAP_FILE_PCAP; /* default to "libpcap" */
+#ifdef PCAP_NG_DEFAULT
+static int out_file_type = WTAP_FILE_PCAPNG; /* default to pcapng */
+#else
+static int out_file_type = WTAP_FILE_PCAP; /* default to pcap */
+#endif
static int out_frame_type = -2; /* Leave frame type alone */
static int verbose = 0; /* Not so verbose */
static struct time_adjustment time_adj = {{0, 0}, 0}; /* no adjustment */
abs_time_to_str_with_sec_resolution(const struct wtap_nstime *abs_time)
{
struct tm *tmp;
- gchar *buf = g_malloc(16);
+ gchar *buf = (gchar *)g_malloc(16);
-#ifdef _MSC_VER
+#if (defined _WIN32) && (_MSC_VER < 1500)
/* calling localtime() on MSVC 2005 with huge values causes it to crash */
/* XXX - find the exact value that still does work */
/* XXX - using _USE_32BIT_TIME_T might be another way to circumvent this problem */
tmp->tm_min,
tmp->tm_sec);
} else
- strcpy(buf, "");
+ buf[0] = '\0';
return buf;
}
static gchar*
fileset_get_filename_by_pattern(guint idx, const struct wtap_nstime *time_val,
- gchar *fprefix, gchar *fsuffix)
+ gchar *fprefix, gchar *fsuffix)
{
gchar filenum[5+1];
gchar *timestr;
gchar *abs_str;
timestr = abs_time_to_str_with_sec_resolution(time_val);
- g_snprintf(filenum, sizeof(filenum), "%05u", idx);
+ g_snprintf(filenum, sizeof(filenum), "%05u", idx % RINGBUFFER_MAX_NUM_FILES);
abs_str = g_strconcat(fprefix, "_", filenum, "_", timestr, fsuffix, NULL);
g_free(timestr);
{
struct wtap_pkthdr* pkthdr = wtap_phdr(wth);
- return ( pkthdr->ts.secs >= starttime ) && ( pkthdr->ts.secs <= stoptime );
+ return ( pkthdr->ts.secs >= starttime ) && ( pkthdr->ts.secs < stoptime );
}
static void
frac_digits++;
}
}
- time_adj.tv.tv_usec = val;
+ time_adj.tv.tv_usec = (int)val;
}
static void
frac_digits++;
}
}
- strict_time_adj.tv.tv_usec = val;
+ strict_time_adj.tv.tv_usec = (int)val;
}
static void
frac_digits++;
}
}
- relative_time_window.nsecs = val;
+ relative_time_window.nsecs = (int)val;
}
static gboolean
fprintf(output, "Editcap %s"
#ifdef SVNVERSION
- " (" SVNVERSION " from " SVNPATH ")"
+ " (" SVNVERSION " from " SVNPATH ")"
#endif
- "\n", VERSION);
+ "\n", VERSION);
fprintf(output, "Edit and/or translate the format of capture files.\n");
fprintf(output, "See http://www.wireshark.org for more information.\n");
fprintf(output, "\n");
fprintf(output, "\n");
fprintf(output, "Packet selection:\n");
fprintf(output, " -r keep the selected packets; default is to delete them.\n");
- fprintf(output, " -A <start time> don't output packets whose timestamp is before the\n");
- fprintf(output, " given time (format as YYYY-MM-DD hh:mm:ss).\n");
- fprintf(output, " -B <stop time> don't output packets whose timestamp is after the\n");
+ fprintf(output, " -A <start time> only output packets whose timestamp is after (or equal\n");
+ fprintf(output, " to) the given time (format as YYYY-MM-DD hh:mm:ss).\n");
+ fprintf(output, " -B <stop time> only output packets whose timestamp is before the\n");
fprintf(output, " given time (format as YYYY-MM-DD hh:mm:ss).\n");
fprintf(output, "\n");
fprintf(output, "Duplicate packet removal:\n");
fprintf(output, "\n");
fprintf(output, " NOTE: The use of the 'Duplicate packet removal' options with\n");
fprintf(output, " other editcap options except -v may not always work as expected.\n");
- fprintf(stderr, " Specifically the -r, -t or -S options will very likely NOT have the\n");
+ fprintf(output, " Specifically the -r, -t or -S options will very likely NOT have the\n");
fprintf(output, " desired effect if combined with the -d, -D or -w.\n");
fprintf(output, "\n");
fprintf(output, "Packet manipulation:\n");
fprintf(output, " -s <snaplen> truncate each packet to max. <snaplen> bytes of data.\n");
- fprintf(output, " -C <choplen> chop each packet at the end by <choplen> bytes.\n");
+ fprintf(output, " -C <choplen> chop each packet by <choplen> bytes. Positive values\n");
+ fprintf(output, " chop at the packet beginning, negative values at the\n");
+ fprintf(output, " packet end.\n");
fprintf(output, " -t <time adjustment> adjust the timestamp of each packet;\n");
fprintf(output, " <time adjustment> is in relative seconds (e.g. -0.5).\n");
- fprintf(stderr, " -S <strict adjustment> adjust timestamp of packets if necessary to insure\n");
- fprintf(stderr, " strict chronological increasing order. The <strict\n");
- fprintf(stderr, " adjustment> is specified in relative seconds with\n");
- fprintf(stderr, " values of 0 or 0.000001 being the most reasonable.\n");
- fprintf(stderr, " A negative adjustment value will modify timestamps so\n");
- fprintf(stderr, " that each packet's delta time is the absolute value\n");
- fprintf(stderr, " of the adjustment specified. A value of -0 will set\n");
- fprintf(stderr, " all packets to the timestamp of the first packet.\n");
+ fprintf(output, " -S <strict adjustment> adjust timestamp of packets if necessary to insure\n");
+ fprintf(output, " strict chronological increasing order. The <strict\n");
+ fprintf(output, " adjustment> is specified in relative seconds with\n");
+ fprintf(output, " values of 0 or 0.000001 being the most reasonable.\n");
+ fprintf(output, " A negative adjustment value will modify timestamps so\n");
+ fprintf(output, " that each packet's delta time is the absolute value\n");
+ fprintf(output, " of the adjustment specified. A value of -0 will set\n");
+ fprintf(output, " all packets to the timestamp of the first packet.\n");
fprintf(output, " -E <error probability> set the probability (between 0.0 and 1.0 incl.)\n");
fprintf(output, " that a particular packet byte will be randomly changed.\n");
fprintf(output, "\n");
fprintf(output, " -i <seconds per file> split the packet output to different files\n");
fprintf(output, " based on uniform time intervals\n");
fprintf(output, " with a maximum of <seconds per file> each.\n");
- fprintf(output, " -F <capture type> set the output file type; default is libpcap.\n");
+ fprintf(output, " -F <capture type> set the output file type; default is pcapng.\n");
fprintf(output, " an empty \"-F\" option will list the file types.\n");
fprintf(output, " -T <encap type> set the output file encapsulation type;\n");
fprintf(output, " default is the same as the input file.\n");
fprintf(output, "\n");
}
+struct string_elem {
+ const char *sstr; /* The short string */
+ const char *lstr; /* The long string */
+};
+
+static gint
+string_compare(gconstpointer a, gconstpointer b)
+{
+ return strcmp(((const struct string_elem *)a)->sstr,
+ ((const struct string_elem *)b)->sstr);
+}
+
+static void
+string_elem_print(gpointer data, gpointer not_used _U_)
+{
+ fprintf(stderr, " %s - %s\n",
+ ((struct string_elem *)data)->sstr,
+ ((struct string_elem *)data)->lstr);
+}
+
static void
list_capture_types(void) {
int i;
+ struct string_elem *captypes;
+ GSList *list = NULL;
+ captypes = g_new(struct string_elem,WTAP_NUM_FILE_TYPES);
fprintf(stderr, "editcap: The available capture file types for the \"-F\" flag are:\n");
for (i = 0; i < WTAP_NUM_FILE_TYPES; i++) {
- if (wtap_dump_can_open(i))
- fprintf(stderr, " %s - %s\n",
- wtap_file_type_short_string(i), wtap_file_type_string(i));
+ if (wtap_dump_can_open(i)) {
+ captypes[i].sstr = wtap_file_type_short_string(i);
+ captypes[i].lstr = wtap_file_type_string(i);
+ list = g_slist_insert_sorted(list, &captypes[i], string_compare);
+ }
}
+ g_slist_foreach(list, string_elem_print, NULL);
+ g_slist_free(list);
+ g_free(captypes);
}
static void
list_encap_types(void) {
int i;
- const char *string;
+ struct string_elem *encaps;
+ GSList *list = NULL;
+ encaps = (struct string_elem *)g_malloc(sizeof(struct string_elem) * WTAP_NUM_ENCAP_TYPES);
fprintf(stderr, "editcap: The available encapsulation types for the \"-T\" flag are:\n");
for (i = 0; i < WTAP_NUM_ENCAP_TYPES; i++) {
- string = wtap_encap_short_string(i);
- if (string != NULL)
- fprintf(stderr, " %s - %s\n",
- string, wtap_encap_string(i));
+ encaps[i].sstr = wtap_encap_short_string(i);
+ if (encaps[i].sstr != NULL) {
+ encaps[i].lstr = wtap_encap_string(i);
+ list = g_slist_insert_sorted(list, &encaps[i], string_compare);
+ }
}
+ g_slist_foreach(list, string_elem_print, NULL);
+ g_slist_free(list);
+ g_free(encaps);
}
#ifdef HAVE_PLUGINS
static void
failure_message(const char *msg_format _U_, va_list ap _U_)
{
- return;
+ return;
}
#endif
int i, j, err;
gchar *err_info;
int opt;
+
char *p;
- unsigned int snaplen = 0; /* No limit */
- unsigned int choplen = 0; /* No chop */
+ guint32 snaplen = 0; /* No limit */
+ int choplen = 0; /* No chop */
wtap_dumper *pdh = NULL;
- int count = 1;
- unsigned duplicate_count = 0;
+ unsigned int count = 1;
+ unsigned int duplicate_count = 0;
gint64 data_offset;
struct wtap_pkthdr snap_phdr;
const struct wtap_pkthdr *phdr;
int err_type;
+ wtapng_section_t *shb_hdr;
+ wtapng_iface_descriptions_t *idb_inf;
guint8 *buf;
+ guint32 read_count = 0;
int split_packet_count = 0;
int written_count = 0;
char *filename = NULL;
- gboolean check_ts;
+ gboolean ts_okay = TRUE;
int secs_per_block = 0;
int block_cnt = 0;
nstime_t block_start;
gchar *fprefix = NULL;
gchar *fsuffix = NULL;
+ char appname[100];
#ifdef HAVE_PLUGINS
char* init_progfile_dir_error;
#endif
+#ifdef _WIN32
+ arg_list_utf_16to8(argc, argv);
+ create_app_running_mutex();
+#endif /* _WIN32 */
+
/*
* Get credential information for later use.
*/
#ifdef HAVE_PLUGINS
/* Register wiretap plugins */
if ((init_progfile_dir_error = init_progfile_dir(argv[0], main))) {
- g_warning("capinfos: init_progfile_dir(): %s", init_progfile_dir_error);
+ g_warning("editcap: init_progfile_dir(): %s", init_progfile_dir_error);
g_free(init_progfile_dir_error);
} else {
init_report_err(failure_message,NULL,NULL,NULL);
break;
case 'c':
- split_packet_count = strtol(optarg, &p, 10);
+ split_packet_count = (int)strtol(optarg, &p, 10);
if (p == optarg || *p != '\0') {
fprintf(stderr, "editcap: \"%s\" isn't a valid packet count\n",
optarg);
break;
case 'C':
- choplen = strtol(optarg, &p, 10);
+ choplen = (int)strtol(optarg, &p, 10);
if (p == optarg || *p != '\0') {
fprintf(stderr, "editcap: \"%s\" isn't a valid chop length\n",
optarg);
case 'D':
dup_detect = TRUE;
dup_detect_by_time = FALSE;
- dup_window = strtol(optarg, &p, 10);
+ dup_window = (int)strtol(optarg, &p, 10);
if (p == optarg || *p != '\0') {
- fprintf(stderr, "editcap: \"%s\" isn't a valid dupicate window value\n",
+ fprintf(stderr, "editcap: \"%s\" isn't a valid duplicate window value\n",
optarg);
exit(1);
}
break;
case 's':
- snaplen = strtol(optarg, &p, 10);
+ snaplen = (guint32)strtol(optarg, &p, 10);
if (p == optarg || *p != '\0') {
fprintf(stderr, "editcap: \"%s\" isn't a valid snapshot length\n",
optarg);
case 'T':
out_frame_type = wtap_short_string_to_encap(optarg);
if (out_frame_type < 0) {
- fprintf(stderr, "editcap: \"%s\" isn't a valid encapsulation type\n\n",
- optarg);
+ fprintf(stderr, "editcap: \"%s\" isn't a valid encapsulation type\n\n",
+ optarg);
list_encap_types();
- exit(1);
+ exit(1);
}
break;
case WTAP_ERR_UNSUPPORTED:
case WTAP_ERR_UNSUPPORTED_ENCAP:
- case WTAP_ERR_BAD_RECORD:
+ case WTAP_ERR_BAD_FILE:
fprintf(stderr, "(%s)\n", err_info);
g_free(err_info);
break;
wtap_file_type_string(wtap_file_type(wth)));
}
+ shb_hdr = wtap_file_get_shb_info(wth);
+ idb_inf = wtap_file_get_idb_info(wth);
+
/*
* Now, process the rest, if any ... we only write if there is an extra
* argument or so ...
}
while (wtap_read(wth, &err, &err_info, &data_offset)) {
+ read_count++;
+
phdr = wtap_phdr(wth);
+ buf = wtap_buf_ptr(wth);
if (nstime_is_unset(&block_start)) { /* should only be the first packet */
block_start.secs = phdr->ts.secs;
} else
filename = g_strdup(argv[optind+1]);
- pdh = wtap_dump_open(filename, out_file_type,
- out_frame_type, wtap_snapshot_length(wth),
- FALSE /* compressed */, &err);
+ /* If we don't have an application name add Editcap */
+ if(shb_hdr->shb_user_appl == NULL) {
+ g_snprintf(appname, sizeof(appname), "Editcap " VERSION);
+ shb_hdr->shb_user_appl = appname;
+ }
+
+ pdh = wtap_dump_open_ng(filename, out_file_type, out_frame_type,
+ snaplen ? MIN(snaplen, wtap_snapshot_length(wth)) : wtap_snapshot_length(wth),
+ FALSE /* compressed */, shb_hdr, idb_inf, &err);
+
if (pdh == NULL) {
fprintf(stderr, "editcap: Can't open or create %s: %s\n", filename,
wtap_strerror(err));
fprintf(stderr, "Continuing writing in file %s\n", filename);
}
- pdh = wtap_dump_open(filename, out_file_type,
- out_frame_type, wtap_snapshot_length(wth), FALSE /* compressed */, &err);
+ pdh = wtap_dump_open_ng(filename, out_file_type, out_frame_type,
+ snaplen ? MIN(snaplen, wtap_snapshot_length(wth)) : wtap_snapshot_length(wth),
+ FALSE /* compressed */, shb_hdr, idb_inf, &err);
if (pdh == NULL) {
fprintf(stderr, "editcap: Can't open or create %s: %s\n", filename,
fprintf(stderr, "Continuing writing in file %s\n", filename);
}
- pdh = wtap_dump_open(filename, out_file_type,
- out_frame_type, wtap_snapshot_length(wth), FALSE /* compressed */, &err);
+ pdh = wtap_dump_open_ng(filename, out_file_type, out_frame_type,
+ snaplen ? MIN(snaplen, wtap_snapshot_length(wth)) : wtap_snapshot_length(wth),
+ FALSE /* compressed */, shb_hdr, idb_inf, &err);
if (pdh == NULL) {
fprintf(stderr, "editcap: Can't open or create %s: %s\n", filename,
wtap_strerror(err));
}
}
- check_ts = check_timestamp(wth);
+ if (check_startstop)
+ ts_okay = check_timestamp(wth);
- if ( ((check_startstop && check_ts) || (!check_startstop && !check_ts)) && ((!selected(count) && !keep_em) ||
- (selected(count) && keep_em)) ) {
+ if ( ts_okay && ((!selected(count) && !keep_em) || (selected(count) && keep_em)) ) {
if (verbose && !dup_detect && !dup_detect_by_time)
printf("Packet: %u\n", count);
phdr = wtap_phdr(wth);
- if (choplen != 0 && phdr->caplen > choplen) {
+ if (snaplen != 0 && phdr->caplen > snaplen) {
snap_phdr = *phdr;
- snap_phdr.caplen -= choplen;
+ snap_phdr.caplen = snaplen;
phdr = &snap_phdr;
}
- if (snaplen != 0 && phdr->caplen > snaplen) {
+ if (choplen < 0) {
snap_phdr = *phdr;
- snap_phdr.caplen = snaplen;
+ if (((signed int) phdr->caplen + choplen) > 0)
+ snap_phdr.caplen += choplen;
+ else
+ snap_phdr.caplen = 0;
+ phdr = &snap_phdr;
+ } else if (choplen > 0) {
+ snap_phdr = *phdr;
+ if (phdr->caplen > (unsigned int) choplen) {
+ snap_phdr.caplen -= choplen;
+ buf += choplen;
+ } else
+ snap_phdr.caplen = 0;
phdr = &snap_phdr;
}
/* suppress duplicates by packet window */
if (dup_detect) {
- buf = wtap_buf_ptr(wth);
if (is_duplicate(buf, phdr->caplen)) {
if (verbose) {
fprintf(stdout, "Skipped: %u, Len: %u, MD5 Hash: ", count, phdr->caplen);
current.secs = phdr->ts.secs;
current.nsecs = phdr->ts.nsecs;
- buf = wtap_buf_ptr(wth);
-
if (is_duplicate_rel_time(buf, phdr->caplen, ¤t)) {
if (verbose) {
fprintf(stdout, "Skipped: %u, Len: %u, MD5 Hash: ", count, phdr->caplen);
/* Random error mutation */
if (err_prob > 0.0) {
int real_data_start = 0;
- buf = wtap_buf_ptr(wth);
/* Protect non-protocol data */
if (wtap_file_type(wth) == WTAP_FILE_CATAPULT_DCT2000) {
real_data_start = find_dct2000_real_data(buf);
if (err_type < ERR_WT_FMT) {
if ((unsigned int)i < phdr->caplen - 2)
- strncpy((char*) &buf[i], "%s", 2);
+ g_strlcpy((char*) &buf[i], "%s", 2);
err_type = ERR_WT_TOTAL;
} else {
err_type -= ERR_WT_FMT;
}
}
- if (!wtap_dump(pdh, phdr, wtap_pseudoheader(wth), wtap_buf_ptr(wth),
- &err)) {
- fprintf(stderr, "editcap: Error writing to %s: %s\n",
- filename, wtap_strerror(err));
+ if (!wtap_dump(pdh, phdr, buf, &err)) {
+ switch (err) {
+
+ case WTAP_ERR_UNSUPPORTED_ENCAP:
+ /*
+ * This is a problem with the particular frame we're writing;
+ * note that, and give the frame number.
+ */
+ fprintf(stderr, "editcap: Frame %u of \"%s\" has a network type that can't be saved in a file with that format\n.",
+ read_count, argv[optind]);
+ break;
+
+ default:
+ fprintf(stderr, "editcap: Error writing to %s: %s\n",
+ filename, wtap_strerror(err));
+ break;
+ }
exit(2);
}
written_count++;
count++;
}
+
g_free(fprefix);
g_free(fsuffix);
case WTAP_ERR_UNSUPPORTED:
case WTAP_ERR_UNSUPPORTED_ENCAP:
- case WTAP_ERR_BAD_RECORD:
+ case WTAP_ERR_BAD_FILE:
fprintf(stderr, "(%s)\n", err_info);
g_free(err_info);
break;
g_free (filename);
filename = g_strdup(argv[optind+1]);
- pdh = wtap_dump_open(filename, out_file_type,
- out_frame_type, wtap_snapshot_length(wth), FALSE /* compressed */, &err);
+ pdh = wtap_dump_open_ng(filename, out_file_type, out_frame_type,
+ snaplen ? MIN(snaplen, wtap_snapshot_length(wth)): wtap_snapshot_length(wth),
+ FALSE /* compressed */, shb_hdr, idb_inf, &err);
if (pdh == NULL) {
- fprintf(stderr, "editcap: Can't open or create %s: %s\n", filename,
- wtap_strerror(err));
- exit(2);
+ fprintf(stderr, "editcap: Can't open or create %s: %s\n", filename,
+ wtap_strerror(err));
+ exit(2);
}
}
+ g_free(idb_inf);
+ idb_inf = NULL;
+
if (!wtap_dump_close(pdh, &err)) {
fprintf(stderr, "editcap: Error writing to %s: %s\n", filename,
exit(2);
}
+ g_free(shb_hdr);
g_free(filename);
}
git.samba.org / metze / wireshark / wip.git / blobdiff