/* Reorder the frames from an input dump file, and write to output dump file.
* Martin Mathieson and Jakub Jawadzki
*
- * $Id$
- *
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
*/
-#include "config.h"
+#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <glib.h>
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
+#ifdef HAVE_GETOPT_H
+#include <getopt.h>
+#endif
+
+#ifdef HAVE_LIBZ
+#include <zlib.h> /* to get the libz version number */
#endif
-#include "wtap.h"
+#include <wiretap/wtap.h>
-#ifndef HAVE_GETOPT
+#ifndef HAVE_GETOPT_LONG
#include "wsutil/wsgetopt.h"
#endif
+#include <wsutil/crash_info.h>
+#include <wsutil/file_util.h>
+#include <wsutil/ws_diag_control.h>
+#include <wsutil/ws_version_info.h>
+
/* Show command-line usage */
-static void usage(void)
+static void
+print_usage(FILE *output)
{
- fprintf(stderr, "Reordercap %s"
-#ifdef SVNVERSION
- " (" SVNVERSION " from " SVNPATH ")"
-#endif
- "\n", VERSION);
- fprintf(stderr, "Reorder timestamps of input file frames into output file.\n");
- fprintf(stderr, "See http://www.wireshark.org for more information.\n");
- fprintf(stderr, "\n");
- fprintf(stderr, "Usage: reordercap [options] <infile> <outfile>\n");
- fprintf(stderr, "\n");
- fprintf(stderr, "Options:\n");
- fprintf(stderr, " -n don't write to output file if the input file is ordered.\n");
+ fprintf(output, "\n");
+ fprintf(output, "Usage: reordercap [options] <infile> <outfile>\n");
+ fprintf(output, "\n");
+ fprintf(output, "Options:\n");
+ fprintf(output, " -n don't write to output file if the input file is ordered.\n");
+ fprintf(output, " -h display this help and exit.\n");
}
/* Remember where this frame was in the file */
typedef struct FrameRecord_t {
- gint64 offset;
- guint32 length;
- guint num;
+ gint64 offset;
+ guint num;
- struct wtap_nstime time;
+ nstime_t frame_time;
} FrameRecord_t;
static void
-frame_write(FrameRecord_t *frame, wtap *wth, wtap_dumper *pdh)
+frame_write(FrameRecord_t *frame, wtap *wth, wtap_dumper *pdh,
+ struct wtap_pkthdr *phdr, Buffer *buf, const char *infile)
{
- union wtap_pseudo_header pseudo_header;
int err;
- gchar *errinfo;
- const struct wtap_pkthdr *phdr;
- guint8 buf[65535];
- struct wtap_pkthdr new_phdr;
-
- DEBUG_PRINT("\nDumping frame (offset=%" G_GINT64_MODIFIER "u, length=%u)\n",
- frame->offset, frame->length);
-
- /* Re-read the first frame from the stored location */
- wtap_seek_read(wth,
- frame->offset,
- &pseudo_header,
- buf,
- frame->length,
- &err,
- &errinfo);
- DEBUG_PRINT("re-read: err is %d, buf is (%s)\n", err, buf);
-
- /* Get packet header */
- /* XXX, this might not work */
- phdr = wtap_phdr(wth);
+ gchar *err_info;
+
+ DEBUG_PRINT("\nDumping frame (offset=%" G_GINT64_MODIFIER "u)\n",
+ frame->offset);
+
+
+ /* Re-read the frame from the stored location */
+ if (!wtap_seek_read(wth, frame->offset, phdr, buf, &err, &err_info)) {
+ if (err != 0) {
+ /* Print a message noting that the read failed somewhere along the line. */
+ fprintf(stderr,
+ "reordercap: An error occurred while re-reading \"%s\": %s.\n",
+ infile, wtap_strerror(err));
+ if (err_info != NULL) {
+ fprintf(stderr, "(%s)\n", err_info);
+ g_free(err_info);
+ }
+ exit(1);
+ }
+ }
/* Copy, and set length and timestamp from item. */
- new_phdr = *phdr;
- new_phdr.len = frame->length;
- new_phdr.caplen = frame->length;
- new_phdr.ts = frame->time;
+ /* TODO: remove when wtap_seek_read() fills in phdr,
+ including time stamps, for all file types */
+ phdr->ts = frame->frame_time;
/* Dump frame to outfile */
- if (!wtap_dump(pdh, &new_phdr, &pseudo_header, buf, &err)) {
- printf("Error (%s) writing frame to outfile\n", wtap_strerror(err));
+ if (!wtap_dump(pdh, phdr, ws_buffer_start_ptr(buf), &err, &err_info)) {
+ fprintf(stderr, "reordercap: Error (%s) writing frame to outfile\n",
+ wtap_strerror(err));
+ if (err_info != NULL) {
+ fprintf(stderr, "(%s)\n", err_info);
+ g_free(err_info);
+ }
exit(1);
}
}
/* Comparing timestamps between 2 frames.
- -1 if (t1 < t2)
- 0 if (t1 == t2)
- 1 if (t1 > t2)
+ negative if (t1 < t2)
+ zero if (t1 == t2)
+ positive if (t1 > t2)
*/
static int
frames_compare(gconstpointer a, gconstpointer b)
{
- const FrameRecord_t *frame1 = *(const FrameRecord_t **) a;
- const FrameRecord_t *frame2 = *(const FrameRecord_t **) b;
-
- const struct wtap_nstime *time1 = &frame1->time;
- const struct wtap_nstime *time2 = &frame2->time;
+ const FrameRecord_t *frame1 = *(const FrameRecord_t *const *) a;
+ const FrameRecord_t *frame2 = *(const FrameRecord_t *const *) b;
- if (time1->secs > time2->secs)
- return 1;
- if (time1->secs < time2->secs)
- return -1;
+ const nstime_t *time1 = &frame1->frame_time;
+ const nstime_t *time2 = &frame2->frame_time;
- /* time1->secs == time2->secs */
- if (time1->nsecs > time2->nsecs)
- return 1;
- if (time1->nsecs < time2->nsecs)
- return -1;
-
- /* time1->nsecs == time2->nsecs */
+ return nstime_cmp(time1, time2);
+}
- if (frame1->num > frame2->num)
- return 1;
- if (frame1->num < frame2->num)
- return -1;
- return 0;
+static void
+get_reordercap_compiled_info(GString *str)
+{
+ /* LIBZ */
+ g_string_append(str, ", ");
+#ifdef HAVE_LIBZ
+ g_string_append(str, "with libz ");
+#ifdef ZLIB_VERSION
+ g_string_append(str, ZLIB_VERSION);
+#else /* ZLIB_VERSION */
+ g_string_append(str, "(version unknown)");
+#endif /* ZLIB_VERSION */
+#else /* HAVE_LIBZ */
+ g_string_append(str, "without libz");
+#endif /* HAVE_LIBZ */
}
+static void
+get_reordercap_runtime_info(GString *str)
+{
+ /* zlib */
+#if defined(HAVE_LIBZ) && !defined(_WIN32)
+ g_string_append_printf(str, ", with libz %s", zlibVersion());
+#endif
+}
/********************************************************************/
/* Main function. */
/********************************************************************/
-int main(int argc, char *argv[])
+int
+main(int argc, char *argv[])
{
+ GString *comp_info_str;
+ GString *runtime_info_str;
wtap *wth = NULL;
wtap_dumper *pdh = NULL;
+ struct wtap_pkthdr dump_phdr;
+ Buffer buf;
int err;
gchar *err_info;
gint64 data_offset;
guint wrong_order_count = 0;
gboolean write_output_regardless = TRUE;
guint i;
+ wtapng_section_t *shb_hdr = NULL;
+ wtapng_iface_descriptions_t *idb_inf = NULL;
+ wtapng_name_res_t *nrb_hdr = NULL;
GPtrArray *frames;
FrameRecord_t *prevFrame = NULL;
int opt;
+ static const struct option long_options[] = {
+ {"help", no_argument, NULL, 'h'},
+ {"version", no_argument, NULL, 'v'},
+ {0, 0, 0, 0 }
+ };
int file_count;
char *infile;
- char *outfile;
+ const char *outfile;
+
+ /* Get the compile-time version information string */
+ comp_info_str = get_compiled_version_info(NULL, get_reordercap_compiled_info);
+
+ /* Get the run-time version information string */
+ runtime_info_str = get_runtime_version_info(get_reordercap_runtime_info);
+
+ /* Add it to the information to be reported on a crash. */
+ ws_add_crash_info("Reordercap (Wireshark) %s\n"
+ "\n"
+ "%s"
+ "\n"
+ "%s",
+ get_ws_vcs_version_info(), comp_info_str->str, runtime_info_str->str);
/* Process the options first */
- while ((opt = getopt(argc, argv, "n")) != -1) {
+ while ((opt = getopt_long(argc, argv, "hnv", long_options, NULL)) != -1) {
switch (opt) {
case 'n':
write_output_regardless = FALSE;
break;
+ case 'h':
+ printf("Reordercap (Wireshark) %s\n"
+ "Reorder timestamps of input file frames into output file.\n"
+ "See https://www.wireshark.org for more information.\n",
+ get_ws_vcs_version_info());
+ print_usage(stdout);
+ exit(0);
+ case 'v':
+ show_version("Reordercap (Wireshark)", comp_info_str, runtime_info_str);
+ g_string_free(comp_info_str, TRUE);
+ g_string_free(runtime_info_str, TRUE);
+ exit(0);
case '?':
- usage();
+ print_usage(stderr);
exit(1);
}
}
/* Remaining args are file names */
file_count = argc - optind;
if (file_count == 2) {
- infile = argv[optind];
+ infile = argv[optind];
outfile = argv[optind+1];
}
else {
- usage();
+ print_usage(stderr);
exit(1);
}
/* Open infile */
- wth = wtap_open_offline(infile, &err, &err_info, TRUE);
+ /* TODO: if reordercap is ever changed to give the user a choice of which
+ open_routine reader to use, then the following needs to change. */
+ wth = wtap_open_offline(infile, WTAP_TYPE_AUTO, &err, &err_info, TRUE);
if (wth == NULL) {
- printf("reorder: Can't open %s: %s\n", infile, wtap_strerror(err));
+ fprintf(stderr, "reordercap: Can't open %s: %s\n", infile,
+ wtap_strerror(err));
+ if (err_info != NULL) {
+ fprintf(stderr, "(%s)\n", err_info);
+ g_free(err_info);
+ }
exit(1);
}
- DEBUG_PRINT("file_type is %u\n", wtap_file_type(wth));
+ DEBUG_PRINT("file_type_subtype is %d\n", wtap_file_type_subtype(wth));
+
+ shb_hdr = wtap_file_get_shb_for_new_file(wth);
+ idb_inf = wtap_file_get_idb_info(wth);
+ nrb_hdr = wtap_file_get_nrb_for_new_file(wth);
/* Open outfile (same filetype/encap as input file) */
- pdh = wtap_dump_open(outfile, wtap_file_type(wth), wtap_file_encap(wth), 65535, FALSE, &err);
+ if (strcmp(outfile, "-") == 0) {
+ pdh = wtap_dump_open_stdout_ng(wtap_file_type_subtype(wth), wtap_file_encap(wth),
+ 65535, FALSE, shb_hdr, idb_inf, nrb_hdr, &err);
+ outfile = "standard output";
+ } else {
+ pdh = wtap_dump_open_ng(outfile, wtap_file_type_subtype(wth), wtap_file_encap(wth),
+ 65535, FALSE, shb_hdr, idb_inf, nrb_hdr, &err);
+ }
+ g_free(idb_inf);
+ idb_inf = NULL;
+
if (pdh == NULL) {
- printf("Failed to open output file: (%s) - error %s\n", outfile, wtap_strerror(err));
+ fprintf(stderr, "reordercap: Failed to open output file: (%s) - error %s\n",
+ outfile, wtap_strerror(err));
+ wtap_free_shb(shb_hdr);
+ wtap_free_nrb(nrb_hdr);
exit(1);
}
newFrameRecord = g_slice_new(FrameRecord_t);
newFrameRecord->num = frames->len + 1;
newFrameRecord->offset = data_offset;
- newFrameRecord->length = phdr->len;
- newFrameRecord->time = phdr->ts;
+ if (phdr->presence_flags & WTAP_HAS_TS) {
+ newFrameRecord->frame_time = phdr->ts;
+ } else {
+ nstime_set_unset(&newFrameRecord->frame_time);
+ }
if (prevFrame && frames_compare(&newFrameRecord, &prevFrame) < 0) {
wrong_order_count++;
g_ptr_array_add(frames, newFrameRecord);
prevFrame = newFrameRecord;
}
+ if (err != 0) {
+ /* Print a message noting that the read failed somewhere along the line. */
+ fprintf(stderr,
+ "reordercap: An error occurred while reading \"%s\": %s.\n",
+ infile, wtap_strerror(err));
+ if (err_info != NULL) {
+ fprintf(stderr, "(%s)\n", err_info);
+ g_free(err_info);
+ }
+ }
+
printf("%u frames, %u out of order\n", frames->len, wrong_order_count);
/* Sort the frames */
}
/* Write out each sorted frame in turn */
+ wtap_phdr_init(&dump_phdr);
+ ws_buffer_init(&buf, 1500);
for (i = 0; i < frames->len; i++) {
- FrameRecord_t *frame = frames->pdata[i];
+ FrameRecord_t *frame = (FrameRecord_t *)frames->pdata[i];
/* Avoid writing if already sorted and configured to */
if (write_output_regardless || (wrong_order_count > 0)) {
- frame_write(frame, wth, pdh);
+ frame_write(frame, wth, pdh, &dump_phdr, &buf, infile);
}
g_slice_free(FrameRecord_t, frame);
}
+ wtap_phdr_cleanup(&dump_phdr);
+ ws_buffer_free(&buf);
if (!write_output_regardless && (wrong_order_count == 0)) {
printf("Not writing output file because input file is already in order!\n");
/* Close outfile */
if (!wtap_dump_close(pdh, &err)) {
- printf("Error closing %s: %s\n", outfile, wtap_strerror(err));
+ fprintf(stderr, "reordercap: Error closing %s: %s\n", outfile,
+ wtap_strerror(err));
+ wtap_free_shb(shb_hdr);
+ wtap_free_nrb(nrb_hdr);
exit(1);
}
+ wtap_free_shb(shb_hdr);
+ wtap_free_nrb(nrb_hdr);
/* Finally, close infile */
wtap_fdclose(wth);
return 0;
}
+/*
+ * Editor modelines - http://www.wireshark.org/tools/modelines.html
+ *
+ * Local variables:
+ * c-basic-offset: 4
+ * tab-width: 8
+ * indent-tabs-mode: nil
+ * End:
+ *
+ * vi: set shiftwidth=4 tabstop=8 expandtab:
+ * :indentSize=4:tabSize=8:noTabs=true:
+ */
git.samba.org / metze / wireshark / wip.git / blobdiff