#include "wtap.h"
-#ifdef NEED_GETOPT_H
-#include "getopt.h"
+#ifdef HAVE_GETOPT_H
+#include <getopt.h>
+#else
+#include "wsutil/wsgetopt.h"
#endif
#ifdef _WIN32
#endif
#ifdef NEED_STRPTIME_H
-# include "strptime.h"
+# include "wsutil/strptime.h"
#endif
#include "epan/crypt/crypt-md5.h"
static gboolean dup_detect = FALSE;
static gboolean dup_detect_by_time = FALSE;
+static int do_strict_time_adjustment = FALSE;
+static struct time_adjustment strict_time_adj = {{0, 0}, 0}; /* strict time adjustment */
+static nstime_t previous_time = {0, 0}; /* previous time */
+
static int find_dct2000_real_data(guint8 *buf);
static gchar *
{
struct tm *tmp;
gchar *buf = g_malloc(16);
-
+
#ifdef _MSC_VER
/* calling localtime() on MSVC 2005 with huge values causes it to crash */
/* XXX - find the exact value that still does work */
}
static gchar*
-fileset_get_filename_by_pattern(guint idx, const struct wtap_nstime *time,
- gchar *fprefix, gchar *fsuffix)
+fileset_get_filename_by_pattern(guint idx, const struct wtap_nstime *time_val,
+ gchar *fprefix, gchar *fsuffix)
{
gchar filenum[5+1];
gchar *timestr;
gchar *abs_str;
- timestr = abs_time_to_str_with_sec_resolution(time);
+ timestr = abs_time_to_str_with_sec_resolution(time_val);
g_snprintf(filenum, sizeof(filenum), "%05u", idx);
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
-set_time_adjustment(char *optarg)
+set_time_adjustment(char *optarg_str_p)
{
char *frac, *end;
long val;
size_t frac_digits;
- if (!optarg)
+ if (!optarg_str_p)
return;
/* skip leading whitespace */
- while (*optarg == ' ' || *optarg == '\t') {
- optarg++;
+ while (*optarg_str_p == ' ' || *optarg_str_p == '\t') {
+ optarg_str_p++;
}
/* check for a negative adjustment */
- if (*optarg == '-') {
+ if (*optarg_str_p == '-') {
time_adj.is_negative = 1;
- optarg++;
+ optarg_str_p++;
}
/* collect whole number of seconds, if any */
- if (*optarg == '.') { /* only fractional (i.e., .5 is ok) */
+ if (*optarg_str_p == '.') { /* only fractional (i.e., .5 is ok) */
val = 0;
- frac = optarg;
+ frac = optarg_str_p;
} else {
- val = strtol(optarg, &frac, 10);
- if (frac == NULL || frac == optarg || val == LONG_MIN || val == LONG_MAX) {
+ val = strtol(optarg_str_p, &frac, 10);
+ if (frac == NULL || frac == optarg_str_p || val == LONG_MIN || val == LONG_MAX) {
fprintf(stderr, "editcap: \"%s\" isn't a valid time adjustment\n",
- optarg);
+ optarg_str_p);
exit(1);
}
if (val < 0) { /* implies '--' since we caught '-' above */
fprintf(stderr, "editcap: \"%s\" isn't a valid time adjustment\n",
- optarg);
+ optarg_str_p);
exit(1);
}
}
/* now collect the partial seconds, if any */
if (*frac != '\0') { /* chars left, so get fractional part */
val = strtol(&(frac[1]), &end, 10);
+ /* if more than 6 fractional digits truncate to 6 */
+ if((end - &(frac[1])) > 6) {
+ frac[7] = 't'; /* 't' for truncate */
+ val = strtol(&(frac[1]), &end, 10);
+ }
if (*frac != '.' || end == NULL || end == frac
|| val < 0 || val > ONE_MILLION || val == LONG_MIN || val == LONG_MAX) {
fprintf(stderr, "editcap: \"%s\" isn't a valid time adjustment\n",
- optarg);
+ optarg_str_p);
exit(1);
}
}
}
static void
-set_rel_time(char *optarg)
+set_strict_time_adj(char *optarg_str_p)
{
char *frac, *end;
long val;
size_t frac_digits;
- if (!optarg)
+ if (!optarg_str_p)
return;
/* skip leading whitespace */
- while (*optarg == ' ' || *optarg == '\t') {
- optarg++;
+ while (*optarg_str_p == ' ' || *optarg_str_p == '\t') {
+ optarg_str_p++;
+ }
+
+ /*
+ * check for a negative adjustment
+ * A negative strict adjustment value is a flag
+ * to adjust all frames by the specifed delta time.
+ */
+ if (*optarg_str_p == '-') {
+ strict_time_adj.is_negative = 1;
+ optarg_str_p++;
+ }
+
+ /* collect whole number of seconds, if any */
+ if (*optarg_str_p == '.') { /* only fractional (i.e., .5 is ok) */
+ val = 0;
+ frac = optarg_str_p;
+ } else {
+ val = strtol(optarg_str_p, &frac, 10);
+ if (frac == NULL || frac == optarg_str_p || val == LONG_MIN || val == LONG_MAX) {
+ fprintf(stderr, "editcap: \"%s\" isn't a valid time adjustment\n",
+ optarg_str_p);
+ exit(1);
+ }
+ if (val < 0) { /* implies '--' since we caught '-' above */
+ fprintf(stderr, "editcap: \"%s\" isn't a valid time adjustment\n",
+ optarg_str_p);
+ exit(1);
+ }
+ }
+ strict_time_adj.tv.tv_sec = val;
+
+ /* now collect the partial seconds, if any */
+ if (*frac != '\0') { /* chars left, so get fractional part */
+ val = strtol(&(frac[1]), &end, 10);
+ /* if more than 6 fractional digits truncate to 6 */
+ if((end - &(frac[1])) > 6) {
+ frac[7] = 't'; /* 't' for truncate */
+ val = strtol(&(frac[1]), &end, 10);
+ }
+ if (*frac != '.' || end == NULL || end == frac
+ || val < 0 || val > ONE_MILLION || val == LONG_MIN || val == LONG_MAX) {
+ fprintf(stderr, "editcap: \"%s\" isn't a valid time adjustment\n",
+ optarg_str_p);
+ exit(1);
+ }
+ }
+ else {
+ return; /* no fractional digits */
+ }
+
+ /* adjust fractional portion from fractional to numerator
+ * e.g., in "1.5" from 5 to 500000 since .5*10^6 = 500000 */
+ if (frac && end) { /* both are valid */
+ frac_digits = end - frac - 1; /* fractional digit count (remember '.') */
+ while(frac_digits < 6) { /* this is frac of 10^6 */
+ val *= 10;
+ frac_digits++;
+ }
+ }
+ strict_time_adj.tv.tv_usec = val;
+}
+
+static void
+set_rel_time(char *optarg_str_p)
+{
+ char *frac, *end;
+ long val;
+ size_t frac_digits;
+
+ if (!optarg_str_p)
+ return;
+
+ /* skip leading whitespace */
+ while (*optarg_str_p == ' ' || *optarg_str_p == '\t') {
+ optarg_str_p++;
}
/* ignore negative adjustment */
- if (*optarg == '-') {
- optarg++;
+ if (*optarg_str_p == '-') {
+ optarg_str_p++;
}
/* collect whole number of seconds, if any */
- if (*optarg == '.') { /* only fractional (i.e., .5 is ok) */
+ if (*optarg_str_p == '.') { /* only fractional (i.e., .5 is ok) */
val = 0;
- frac = optarg;
+ frac = optarg_str_p;
} else {
- val = strtol(optarg, &frac, 10);
- if (frac == NULL || frac == optarg || val == LONG_MIN || val == LONG_MAX) {
+ val = strtol(optarg_str_p, &frac, 10);
+ if (frac == NULL || frac == optarg_str_p || val == LONG_MIN || val == LONG_MAX) {
fprintf(stderr, "1: editcap: \"%s\" isn't a valid rel time value\n",
- optarg);
+ optarg_str_p);
exit(1);
}
if (val < 0) { /* implies '--' since we caught '-' above */
fprintf(stderr, "2: editcap: \"%s\" isn't a valid rel time value\n",
- optarg);
+ optarg_str_p);
exit(1);
}
}
/* now collect the partial seconds, if any */
if (*frac != '\0') { /* chars left, so get fractional part */
val = strtol(&(frac[1]), &end, 10);
+ /* if more than 9 fractional digits truncate to 9 */
+ if((end - &(frac[1])) > 9) {
+ frac[10] = 't'; /* 't' for truncate */
+ val = strtol(&(frac[1]), &end, 10);
+ }
if (*frac != '.' || end == NULL || end == frac
|| val < 0 || val > ONE_BILLION || val == LONG_MIN || val == LONG_MAX) {
fprintf(stderr, "3: editcap: \"%s\" isn't a valid rel time value\n",
- optarg);
+ optarg_str_p);
exit(1);
}
}
}
static void
-usage(void)
+usage(gboolean is_error)
{
- fprintf(stderr, "Editcap %s"
+ FILE *output;
+
+ if (!is_error)
+ output = stdout;
+ else
+ output = stderr;
+
+ fprintf(output, "Editcap %s"
#ifdef SVNVERSION
- " (" SVNVERSION ")"
+ " (" SVNVERSION " from " SVNPATH ")"
#endif
"\n", VERSION);
- fprintf(stderr, "Edit and/or translate the format of capture files.\n");
- fprintf(stderr, "See http://www.wireshark.org for more information.\n");
- fprintf(stderr, "\n");
- fprintf(stderr, "Usage: editcap [options] ... <infile> <outfile> [ <packet#>[-<packet#>] ... ]\n");
- fprintf(stderr, "\n");
- fprintf(stderr, "<infile> and <outfile> must both be present.\n");
- fprintf(stderr, "A single packet or a range of packets can be selected.\n");
- fprintf(stderr, "\n");
- fprintf(stderr, "Packet selection:\n");
- fprintf(stderr, " -r keep the selected packets; default is to delete them.\n");
- fprintf(stderr, " -A <start time> don't output packets whose timestamp is before the\n");
- fprintf(stderr, " given time (format as YYYY-MM-DD hh:mm:ss).\n");
- fprintf(stderr, " -B <stop time> don't output packets whose timestamp is after the\n");
- fprintf(stderr, " given time (format as YYYY-MM-DD hh:mm:ss).\n");
- fprintf(stderr, "\n");
- fprintf(stderr, "Duplicate packet removal:\n");
- fprintf(stderr, " -d remove packet if duplicate (window == %d).\n", DEFAULT_DUP_DEPTH);
- fprintf(stderr, " -D <dup window> remove packet if duplicate; configurable <dup window>\n");
- fprintf(stderr, " Valid <dup window> values are 0 to %d.\n", MAX_DUP_DEPTH);
- fprintf(stderr, " NOTE: A <dup window> of 0 with -v (verbose option) is\n");
- fprintf(stderr, " useful to print MD5 hashes.\n");
- fprintf(stderr, " -w <dup time window> remove packet if duplicate packet is found EQUAL TO OR\n");
- fprintf(stderr, " LESS THAN <dup time window> prior to current packet.\n");
- fprintf(stderr, " A <dup time window> is specified in relative seconds\n");
- fprintf(stderr, " (e.g. 0.000001).\n");
- fprintf(stderr, "\n");
- fprintf(stderr, " NOTE: The use of the 'Duplicate packet removal' options with\n");
- fprintf(stderr, " other editcap options except -v may not always work as expected.\n");
- fprintf(stderr, " Specifically the -r and -t options will very likely NOT have the\n");
- fprintf(stderr, " desired effect if combined with the -d, -D or -w.\n");
- fprintf(stderr, "\n");
- fprintf(stderr, "Packet manipulation:\n");
- fprintf(stderr, " -s <snaplen> truncate each packet to max. <snaplen> bytes of data.\n");
- fprintf(stderr, " -C <choplen> chop each packet at the end by <choplen> bytes.\n");
- fprintf(stderr, " -t <time adjustment> adjust the timestamp of each packet;\n");
- fprintf(stderr, " <time adjustment> is in relative seconds (e.g. -0.5).\n");
- fprintf(stderr, " -E <error probability> set the probability (between 0.0 and 1.0 incl.)\n");
- fprintf(stderr, " that a particular packet byte will be randomly changed.\n");
- fprintf(stderr, "\n");
- fprintf(stderr, "Output File(s):\n");
- fprintf(stderr, " -c <packets per file> split the packet output to different files\n");
- fprintf(stderr, " based on uniform packet counts\n");
- fprintf(stderr, " with a maximum of <packets per file> each.\n");
- fprintf(stderr, " -i <seconds per file> split the packet output to different files\n");
- fprintf(stderr, " based on uniform time intervals\n");
- fprintf(stderr, " with a maximum of <seconds per file> each.\n");
- fprintf(stderr, " -F <capture type> set the output file type; default is libpcap.\n");
- fprintf(stderr, " an empty \"-F\" option will list the file types.\n");
- fprintf(stderr, " -T <encap type> set the output file encapsulation type;\n");
- fprintf(stderr, " default is the same as the input file.\n");
- fprintf(stderr, " an empty \"-T\" option will list the encapsulation types.\n");
- fprintf(stderr, "\n");
- fprintf(stderr, "Miscellaneous:\n");
- fprintf(stderr, " -h display this help and exit.\n");
- fprintf(stderr, " -v verbose output.\n");
- fprintf(stderr, " If -v is used with any of the 'Duplicate Packet\n");
- fprintf(stderr, " Removal' options (-d, -D or -w) then Packet lengths\n");
- fprintf(stderr, " and MD5 hashes are printed to standard-out.\n");
- fprintf(stderr, "\n");
+ 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, "Usage: editcap [options] ... <infile> <outfile> [ <packet#>[-<packet#>] ... ]\n");
+ fprintf(output, "\n");
+ fprintf(output, "<infile> and <outfile> must both be present.\n");
+ fprintf(output, "A single packet or a range of packets can be selected.\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> 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, " -d remove packet if duplicate (window == %d).\n", DEFAULT_DUP_DEPTH);
+ fprintf(output, " -D <dup window> remove packet if duplicate; configurable <dup window>\n");
+ fprintf(output, " Valid <dup window> values are 0 to %d.\n", MAX_DUP_DEPTH);
+ fprintf(output, " NOTE: A <dup window> of 0 with -v (verbose option) is\n");
+ fprintf(output, " useful to print MD5 hashes.\n");
+ fprintf(output, " -w <dup time window> remove packet if duplicate packet is found EQUAL TO OR\n");
+ fprintf(output, " LESS THAN <dup time window> prior to current packet.\n");
+ fprintf(output, " A <dup time window> is specified in relative seconds\n");
+ fprintf(output, " (e.g. 0.000001).\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(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, " -t <time adjustment> adjust the timestamp of each packet;\n");
+ fprintf(output, " <time adjustment> is in relative seconds (e.g. -0.5).\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, "Output File(s):\n");
+ fprintf(output, " -c <packets per file> split the packet output to different files\n");
+ fprintf(output, " based on uniform packet counts\n");
+ fprintf(output, " with a maximum of <packets per file> each.\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, " 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, " an empty \"-T\" option will list the encapsulation types.\n");
+ fprintf(output, "\n");
+ fprintf(output, "Miscellaneous:\n");
+ fprintf(output, " -h display this help and exit.\n");
+ fprintf(output, " -v verbose output.\n");
+ fprintf(output, " If -v is used with any of the 'Duplicate Packet\n");
+ fprintf(output, " Removal' options (-d, -D or -w) then Packet lengths\n");
+ fprintf(output, " and MD5 hashes are printed to standard-out.\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(((struct string_elem *)a)->sstr,
+ ((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;
- fprintf(stderr, "editcap: The available capture file types for \"F\":\n");
+ captypes = g_malloc(sizeof(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;
- fprintf(stderr, "editcap: The available encapsulation types for \"T\":\n");
+ encaps = 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
wtap *wth;
int i, j, err;
gchar *err_info;
- extern char *optarg;
- extern int optind;
int opt;
char *p;
unsigned int snaplen = 0; /* No limit */
/*
* Get credential information for later use.
*/
- get_credential_info();
+ init_process_policies();
#ifdef HAVE_PLUGINS
/* Register wiretap plugins */
#endif
/* Process the options */
- while ((opt = getopt(argc, argv, "A:B:c:C:dD:E:F:hrs:i:t:T:vw:")) !=-1) {
+ while ((opt = getopt(argc, argv, "A:B:c:C:dD:E:F:hrs:i:t:S:T:vw:")) !=-1) {
switch (opt) {
dup_detect_by_time = FALSE;
dup_window = 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);
}
list_encap_types();
break;
default:
- usage();
+ usage(TRUE);
}
exit(1);
break;
case 'h':
- usage();
+ usage(FALSE);
exit(1);
break;
set_time_adjustment(optarg);
break;
+ case 'S':
+ set_strict_time_adj(optarg);
+ do_strict_time_adjustment = TRUE;
+ break;
+
case 'T':
out_frame_type = wtap_short_string_to_encap(optarg);
if (out_frame_type < 0) {
if ((argc - optind) < 1) {
- usage();
+ usage(TRUE);
exit(1);
}
pdh = wtap_dump_open(filename, out_file_type,
out_frame_type, wtap_snapshot_length(wth),
FALSE /* compressed */, &err);
- if (pdh == NULL) {
+ if (pdh == NULL) {
fprintf(stderr, "editcap: Can't open or create %s: %s\n", filename,
wtap_strerror(err));
exit(2);
if (split_packet_count > 0) {
/* time for the next file? */
- if (written_count > 0 &&
+ if (written_count > 0 &&
written_count % split_packet_count == 0) {
if (!wtap_dump_close(pdh, &err)) {
fprintf(stderr, "editcap: Error writing to %s: %s\n", filename,
phdr = &snap_phdr;
}
+ /*
+ * Do we adjust timestamps to insure strict chronologically order?
+ */
+
+ if (do_strict_time_adjustment) {
+ if (previous_time.secs || previous_time.nsecs) {
+ if (!strict_time_adj.is_negative) {
+ nstime_t current;
+ nstime_t delta;
+
+ current.secs = phdr->ts.secs;
+ current.nsecs = phdr->ts.nsecs;
+
+ nstime_delta(&delta, ¤t, &previous_time);
+
+ if (delta.secs < 0 || delta.nsecs < 0)
+ {
+ /*
+ * A negative delta indicates that the current packet
+ * has an absolute timestamp less than the previous packet
+ * that it is being compared to. This is NOT a normal
+ * situation since trace files usually have packets in
+ * chronological order (oldest to newest).
+ */
+ /* printf("++out of order, need to adjust this packet!\n"); */
+ snap_phdr = *phdr;
+ snap_phdr.ts.secs = previous_time.secs + strict_time_adj.tv.tv_sec;
+ snap_phdr.ts.nsecs = previous_time.nsecs;
+ if (snap_phdr.ts.nsecs + strict_time_adj.tv.tv_usec * 1000 > ONE_MILLION * 1000) {
+ /* carry */
+ snap_phdr.ts.secs++;
+ snap_phdr.ts.nsecs += (strict_time_adj.tv.tv_usec - ONE_MILLION) * 1000;
+ } else {
+ snap_phdr.ts.nsecs += strict_time_adj.tv.tv_usec * 1000;
+ }
+ phdr = &snap_phdr;
+ }
+ } else {
+ /*
+ * A negative strict time adjustment is requested.
+ * Unconditionally set each timestamp to previous
+ * packet's timestamp plus delta.
+ */
+ snap_phdr = *phdr;
+ snap_phdr.ts.secs = previous_time.secs + strict_time_adj.tv.tv_sec;
+ snap_phdr.ts.nsecs = previous_time.nsecs;
+ if (snap_phdr.ts.nsecs + strict_time_adj.tv.tv_usec * 1000 > ONE_MILLION * 1000) {
+ /* carry */
+ snap_phdr.ts.secs++;
+ snap_phdr.ts.nsecs += (strict_time_adj.tv.tv_usec - ONE_MILLION) * 1000;
+ } else {
+ snap_phdr.ts.nsecs += strict_time_adj.tv.tv_usec * 1000;
+ }
+ phdr = &snap_phdr;
+ }
+ }
+ previous_time.secs = phdr->ts.secs;
+ previous_time.nsecs = phdr->ts.nsecs;
+ }
+
/* assume that if the frame's tv_sec is 0, then
* the timestamp isn't supported */
if (phdr->ts.secs > 0 && time_adj.tv.tv_sec != 0) {
count++;
}
- g_free(filename);
g_free(fprefix);
g_free(fsuffix);
}
}
+ if (!pdh) {
+ /* No valid packages found, open the outfile so we can write an empty header */
+ 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);
+ if (pdh == NULL) {
+ fprintf(stderr, "editcap: Can't open or create %s: %s\n", filename,
+ wtap_strerror(err));
+ exit(2);
+ }
+ }
+
if (!wtap_dump_close(pdh, &err)) {
fprintf(stderr, "editcap: Error writing to %s: %s\n", filename,
exit(2);
}
+ g_free(filename);
}
if (dup_detect) {
git.samba.org / obnox / wireshark / wip.git / blobdiff