* 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.
+ * SPDX-License-Identifier: GPL-2.0-or-later
*/
#include <config.h>
#include <getopt.h>
#endif
+#include <wiretap/secrets-types.h>
#include <wiretap/wtap.h>
#include "epan/etypes.h"
+#include "epan/dissectors/packet-ieee80211-radiotap-defs.h"
#ifndef HAVE_GETOPT_LONG
#include "wsutil/wsgetopt.h"
#ifdef _WIN32
#include <wsutil/unicode-utils.h>
#include <process.h> /* getpid */
-#ifdef HAVE_WINSOCK2_H
#include <winsock2.h>
#endif
-#endif
#ifndef HAVE_STRPTIME
# include "wsutil/strptime.h"
#endif
#include <wsutil/crash_info.h>
+#include <wsutil/clopts_common.h>
+#include <wsutil/cmdarg_err.h>
#include <wsutil/filesystem.h>
#include <wsutil/file_util.h>
-#include <wsutil/md5.h>
+#include <wsutil/wsgcrypt.h>
#include <wsutil/plugins.h>
#include <wsutil/privileges.h>
-#include <wsutil/report_err.h>
+#include <wsutil/report_message.h>
#include <wsutil/strnatcmp.h>
#include <wsutil/str_util.h>
-#include <ws_version_info.h>
+#include <version_info.h>
#include <wsutil/pint.h>
+#include <wsutil/strtoi.h>
#include <wiretap/wtap_opttypes.h>
#include <wiretap/pcapng.h>
+#include "ui/failure_message.h"
+
#include "ringbuffer.h" /* For RINGBUFFER_MAX_NUM_FILES */
+#define INVALID_OPTION 1
+#define INVALID_FILE 2
+#define CANT_EXTRACT_PREFIX 2
+#define WRITE_ERROR 2
+#define DUMP_ERROR 2
+
/*
* Some globals so we can pass things to various routines
*/
* Duplicate frame detection
*/
typedef struct _fd_hash_t {
- md5_byte_t digest[16];
+ guint8 digest[16];
guint32 len;
nstime_t frame_time;
} fd_hash_t;
static int dup_window = DEFAULT_DUP_DEPTH;
static int cur_dup_entry = 0;
-static int ignored_bytes = 0; /* Used with -I */
+static guint32 ignored_bytes = 0; /* Used with -I */
#define ONE_BILLION 1000000000
#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 */
-static nstime_t relative_time_window = {0, 0}; /* de-dup time window */
-static double err_prob = 0.0;
+static struct time_adjustment time_adj = {NSTIME_INIT_ZERO, 0}; /* no adjustment */
+static nstime_t relative_time_window = NSTIME_INIT_ZERO; /* de-dup time window */
+static double err_prob = -1.0;
static time_t starttime = 0;
static time_t stoptime = 0;
static gboolean check_startstop = FALSE;
static gboolean rem_vlan = FALSE;
static gboolean dup_detect = FALSE;
static gboolean dup_detect_by_time = FALSE;
+static gboolean skip_radiotap = 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 struct time_adjustment strict_time_adj = {NSTIME_INIT_ZERO, 0}; /* strict time adjustment */
+static nstime_t previous_time = NSTIME_INIT_ZERO; /* previous time */
+
+static const struct {
+ const char *str;
+ guint32 id;
+} secrets_types[] = {
+ { "tls", SECRETS_TYPE_TLS },
+};
static int find_dct2000_real_data(guint8 *buf);
-static void handle_chopping(chop_t chop, struct wtap_pkthdr *out_phdr,
- const struct wtap_pkthdr *in_phdr, guint8 **buf,
+static void handle_chopping(chop_t chop, wtap_packet_header *out_phdr,
+ const wtap_packet_header *in_phdr, guint8 **buf,
gboolean adjlen);
static gchar *
}
static gchar *
-fileset_get_filename_by_pattern(guint idx, const struct wtap_pkthdr *phdr,
+fileset_get_filename_by_pattern(guint idx, const wtap_rec *rec,
gchar *fprefix, gchar *fsuffix)
{
gchar filenum[5+1];
gchar *abs_str;
g_snprintf(filenum, sizeof(filenum), "%05u", idx % RINGBUFFER_MAX_NUM_FILES);
- if (phdr->presence_flags & WTAP_HAS_TS) {
- timestr = abs_time_to_str_with_sec_resolution(&phdr->ts);
+ if (rec->presence_flags & WTAP_HAS_TS) {
+ timestr = abs_time_to_str_with_sec_resolution(&rec->ts);
abs_str = g_strconcat(fprefix, "_", filenum, "_", timestr, fsuffix, NULL);
g_free(timestr);
} else
if (max_selected >= MAX_SELECTIONS) {
/* Let the user know we stopped selecting */
- fprintf(stderr, "Out of room for packet selections!\n");
+ fprintf(stderr, "Out of room for packet selections.\n");
return(FALSE);
}
fprintf(stderr, "Not inclusive ...");
selectfrm[max_selected].inclusive = FALSE;
- selectfrm[max_selected].first = (guint)strtoul(sel, NULL, 10);
+ selectfrm[max_selected].first = get_guint32(sel, "packet number");
if (selectfrm[max_selected].first > *max_selection)
*max_selection = selectfrm[max_selected].first;
if (verbose)
fprintf(stderr, "Inclusive ...");
+ *locn = '\0'; /* split the range */
next = locn + 1;
selectfrm[max_selected].inclusive = TRUE;
- selectfrm[max_selected].first = (guint)strtoul(sel, NULL, 10);
- selectfrm[max_selected].second = (guint)strtoul(next, NULL, 10);
+ selectfrm[max_selected].first = get_guint32(sel, "beginning of packet range");
+ selectfrm[max_selected].second = get_guint32(next, "end of packet range");
if (selectfrm[max_selected].second == 0)
{
return 0;
}
-static void
+static gboolean
set_time_adjustment(char *optarg_str_p)
{
char *frac, *end;
size_t frac_digits;
if (!optarg_str_p)
- return;
+ return TRUE;
/* skip leading whitespace */
while (*optarg_str_p == ' ' || *optarg_str_p == '\t')
|| val == LONG_MIN || val == LONG_MAX) {
fprintf(stderr, "editcap: \"%s\" isn't a valid time adjustment\n",
optarg_str_p);
- exit(1);
+ return FALSE;
}
if (val < 0) { /* implies '--' since we caught '-' above */
fprintf(stderr, "editcap: \"%s\" isn't a valid time adjustment\n",
optarg_str_p);
- exit(1);
+ return FALSE;
}
}
time_adj.tv.secs = val;
val = strtol(&(frac[1]), &end, 10);
}
if (*frac != '.' || end == NULL || end == frac || val < 0
- || val > ONE_BILLION || val == LONG_MIN || val == LONG_MAX) {
+ || val >= ONE_BILLION || val == LONG_MIN || val == LONG_MAX) {
fprintf(stderr, "editcap: \"%s\" isn't a valid time adjustment\n",
optarg_str_p);
- exit(1);
+ return FALSE;
}
} else {
- return; /* no fractional digits */
+ return TRUE; /* no fractional digits */
}
/* adjust fractional portion from fractional to numerator
}
time_adj.tv.nsecs = (int)val;
+ return TRUE;
}
-static void
+static gboolean
set_strict_time_adj(char *optarg_str_p)
{
char *frac, *end;
size_t frac_digits;
if (!optarg_str_p)
- return;
+ return TRUE;
/* skip leading whitespace */
while (*optarg_str_p == ' ' || *optarg_str_p == '\t')
|| val == LONG_MIN || val == LONG_MAX) {
fprintf(stderr, "editcap: \"%s\" isn't a valid time adjustment\n",
optarg_str_p);
- exit(1);
+ return FALSE;
}
if (val < 0) { /* implies '--' since we caught '-' above */
fprintf(stderr, "editcap: \"%s\" isn't a valid time adjustment\n",
optarg_str_p);
- exit(1);
+ return FALSE;
}
}
strict_time_adj.tv.secs = val;
val = strtol(&(frac[1]), &end, 10);
}
if (*frac != '.' || end == NULL || end == frac || val < 0
- || val > ONE_BILLION || val == LONG_MIN || val == LONG_MAX) {
+ || val >= ONE_BILLION || val == LONG_MIN || val == LONG_MAX) {
fprintf(stderr, "editcap: \"%s\" isn't a valid time adjustment\n",
optarg_str_p);
- exit(1);
+ return FALSE;
}
} else {
- return; /* no fractional digits */
+ return TRUE; /* no fractional digits */
}
/* adjust fractional portion from fractional to numerator
}
strict_time_adj.tv.nsecs = (int)val;
+ return TRUE;
}
-static void
+static gboolean
set_rel_time(char *optarg_str_p)
{
char *frac, *end;
size_t frac_digits;
if (!optarg_str_p)
- return;
+ return TRUE;
/* skip leading whitespace */
while (*optarg_str_p == ' ' || *optarg_str_p == '\t')
|| val == LONG_MIN || val == LONG_MAX) {
fprintf(stderr, "1: editcap: \"%s\" isn't a valid rel time value\n",
optarg_str_p);
- exit(1);
+ return FALSE;
}
if (val < 0) { /* implies '--' since we caught '-' above */
fprintf(stderr, "2: editcap: \"%s\" isn't a valid rel time value\n",
optarg_str_p);
- exit(1);
+ return FALSE;
}
}
relative_time_window.secs = val;
val = strtol(&(frac[1]), &end, 10);
}
if (*frac != '.' || end == NULL || end == frac || val < 0
- || val > ONE_BILLION || val == LONG_MIN || val == LONG_MAX) {
+ || val >= ONE_BILLION || val == LONG_MIN || val == LONG_MAX) {
fprintf(stderr, "3: editcap: \"%s\" isn't a valid rel time value\n",
optarg_str_p);
- exit(1);
+ return FALSE;
}
} else {
- return; /* no fractional digits */
+ return TRUE; /* no fractional digits */
}
/* adjust fractional portion from fractional to numerator
}
relative_time_window.nsecs = (int)val;
+ return TRUE;
}
#define LINUX_SLL_OFFSETP 14
}
static void
-remove_vlan_info(const struct wtap_pkthdr *phdr, guint8* fd, guint32* len) {
+remove_vlan_info(const wtap_packet_header *phdr, guint8* fd, guint32* len) {
switch (phdr->pkt_encap) {
case WTAP_ENCAP_SLL:
sll_remove_vlan_info(fd, len);
static gboolean
is_duplicate(guint8* fd, guint32 len) {
int i;
- md5_state_t ms;
+ const struct ieee80211_radiotap_header* tap_header;
/*Hint to ignore some bytes at the start of the frame for the digest calculation(-I option) */
+ guint32 offset = ignored_bytes;
guint32 new_len;
guint8 *new_fd;
- new_fd = &fd[ignored_bytes];
- new_len = len - (ignored_bytes);
+ if (len <= ignored_bytes) {
+ offset = 0;
+ }
+
+ /* Get the size of radiotap header and use that as offset (-p option) */
+ if (skip_radiotap == TRUE) {
+ tap_header = (const struct ieee80211_radiotap_header*)fd;
+ offset = pletoh16(&tap_header->it_len);
+ if (offset >= len)
+ offset = 0;
+ }
+
+ new_fd = &fd[offset];
+ new_len = len - (offset);
cur_dup_entry++;
if (cur_dup_entry >= dup_window)
cur_dup_entry = 0;
/* Calculate our digest */
- md5_init(&ms);
- md5_append(&ms, new_fd, new_len);
- md5_finish(&ms, fd_hash[cur_dup_entry].digest);
+ gcry_md_hash_buffer(GCRY_MD_MD5, fd_hash[cur_dup_entry].digest, new_fd, new_len);
fd_hash[cur_dup_entry].len = len;
static gboolean
is_duplicate_rel_time(guint8* fd, guint32 len, const nstime_t *current) {
int i;
- md5_state_t ms;
/*Hint to ignore some bytes at the start of the frame for the digest calculation(-I option) */
+ guint32 offset = ignored_bytes;
guint32 new_len;
guint8 *new_fd;
- new_fd = &fd[ignored_bytes];
- new_len = len - (ignored_bytes);
+ if (len <= ignored_bytes) {
+ offset = 0;
+ }
+
+ new_fd = &fd[offset];
+ new_len = len - (offset);
cur_dup_entry++;
if (cur_dup_entry >= dup_window)
cur_dup_entry = 0;
/* Calculate our digest */
- md5_init(&ms);
- md5_append(&ms, new_fd, new_len);
- md5_finish(&ms, fd_hash[cur_dup_entry].digest);
+ gcry_md_hash_buffer(GCRY_MD_MD5, fd_hash[cur_dup_entry].digest, new_fd, new_len);
fd_hash[cur_dup_entry].len = len;
fd_hash[cur_dup_entry].frame_time.secs = current->secs;
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, " -a <framenum>:<comment> Add or replace comment for given frame number\n");
- fprintf(output, "\n");
- fprintf(output, " -I <bytes to ignore> ignore the specified bytes at the beginning of\n");
- fprintf(output, " the frame during MD5 hash calculation.\n");
- fprintf(output, " Useful to remove duplicated packets taken on\n");
- fprintf(output, " several routers (different mac addresses for\n");
- fprintf(output, " example).\n");
- fprintf(output, " e.g. -I 26 in case of Ether/IP will ignore\n");
- fprintf(output, " ether(14) and IP header(20 - 4(src ip) - 4(dst ip)).\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, " --skip-radiotap-header skip radiotap header when checking for packet duplicates.\n");
+ fprintf(output, " Useful when processing packets captured by multiple radios\n");
+ fprintf(output, " on the same channel in the vicinity of each other.\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, " -o <change offset> When used in conjunction with -E, skip some bytes from the\n");
fprintf(output, " beginning of the packet. This allows one to preserve some\n");
fprintf(output, " bytes, in order to have some headers untouched.\n");
+ fprintf(output, " --seed <seed> When used in conjunction with -E, set the seed to use for\n");
+ fprintf(output, " the pseudo-random number generator. This allows one to\n");
+ fprintf(output, " repeat a particular sequence of errors.\n");
+ fprintf(output, " -I <bytes to ignore> ignore the specified number of bytes at the beginning\n");
+ fprintf(output, " of the frame during MD5 hash calculation, unless the\n");
+ fprintf(output, " frame is too short, then the full frame is used.\n");
+ fprintf(output, " Useful to remove duplicated packets taken on\n");
+ fprintf(output, " several routers (different mac addresses for\n");
+ fprintf(output, " example).\n");
+ fprintf(output, " e.g. -I 26 in case of Ether/IP will ignore\n");
+ fprintf(output, " ether(14) and IP header(20 - 4(src ip) - 4(dst ip)).\n");
+ fprintf(output, " -a <framenum>:<comment> Add or replace comment for given frame number\n");
fprintf(output, "\n");
fprintf(output, "Output File(s):\n");
fprintf(output, " -c <packets per file> split the packet output to different files based on\n");
fprintf(output, " -i <seconds per file> split the packet output to different files based on\n");
fprintf(output, " uniform time intervals with a maximum of\n");
fprintf(output, " <seconds per file> each.\n");
- fprintf(output, " -F <capture type> set the output file type; default is pcapng. An empty\n");
- fprintf(output, " \"-F\" option will list the file types.\n");
+#ifdef PCAP_NG_DEFAULT
+ fprintf(output, " -F <capture type> set the output file type; default is pcapng.\n");
+#else
+ fprintf(output, " -F <capture type> set the output file type; default is pcap.\n");
+#endif
+ fprintf(output, " An empty \"-F\" option will list the file types.\n");
fprintf(output, " -T <encap type> set the output file encapsulation type; default is the\n");
fprintf(output, " same as the input file. An empty \"-T\" option will\n");
fprintf(output, " list the encapsulation types.\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-error.\n");
- fprintf(output, "\n");
}
struct string_elem {
}
static void
-string_elem_print(gpointer data, gpointer not_used _U_)
+string_elem_print(gpointer data, gpointer stream_ptr)
{
- fprintf(stderr, " %s - %s\n",
+ fprintf((FILE *) stream_ptr, " %s - %s\n",
((struct string_elem *)data)->sstr,
((struct string_elem *)data)->lstr);
}
static void
-list_capture_types(void) {
+list_capture_types(FILE *stream) {
int i;
struct string_elem *captypes;
GSList *list = NULL;
captypes = g_new(struct string_elem,WTAP_NUM_FILE_TYPES_SUBTYPES);
- fprintf(stderr, "editcap: The available capture file types for the \"-F\" flag are:\n");
+ fprintf(stream, "editcap: The available capture file types for the \"-F\" flag are:\n");
for (i = 0; i < WTAP_NUM_FILE_TYPES_SUBTYPES; i++) {
if (wtap_dump_can_open(i)) {
captypes[i].sstr = wtap_file_type_subtype_short_string(i);
list = g_slist_insert_sorted(list, &captypes[i], string_compare);
}
}
- g_slist_foreach(list, string_elem_print, NULL);
+ g_slist_foreach(list, string_elem_print, stream);
g_slist_free(list);
g_free(captypes);
}
static void
-list_encap_types(void) {
+list_encap_types(FILE *stream) {
int i;
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");
+ fprintf(stream, "editcap: The available encapsulation types for the \"-T\" flag are:\n");
for (i = 0; i < WTAP_NUM_ENCAP_TYPES; i++) {
encaps[i].sstr = wtap_encap_short_string(i);
if (encaps[i].sstr != NULL) {
list = g_slist_insert_sorted(list, &encaps[i], string_nat_compare);
}
}
- g_slist_foreach(list, string_elem_print, NULL);
+ g_slist_foreach(list, string_elem_print, stream);
g_slist_free(list);
g_free(encaps);
}
+static void
+list_secrets_types(FILE *stream)
+{
+ for (guint i = 0; i < G_N_ELEMENTS(secrets_types); i++) {
+ fprintf(stream, " %s\n", secrets_types[i].str);
+ }
+}
+
+static guint32
+lookup_secrets_type(const char *type)
+{
+ for (guint i = 0; i < G_N_ELEMENTS(secrets_types); i++) {
+ if (!strcmp(secrets_types[i].str, type)) {
+ return secrets_types[i].id;
+ }
+ }
+ return 0;
+}
+
static int
framenum_compare(gconstpointer a, gconstpointer b, gpointer user_data _U_)
{
return 0;
}
-#ifdef HAVE_PLUGINS
/*
- * General errors are reported with an console message in editcap.
+ * General errors and warnings are reported with an console message
+ * in editcap.
*/
static void
-failure_message(const char *msg_format, va_list ap)
+failure_warning_message(const char *msg_format, va_list ap)
{
fprintf(stderr, "editcap: ");
vfprintf(stderr, msg_format, ap);
fprintf(stderr, "\n");
}
-#endif
+
+/*
+ * Report additional information for an error in command-line arguments.
+ */
+static void
+failure_message_cont(const char *msg_format, va_list ap)
+{
+ vfprintf(stderr, msg_format, ap);
+ fprintf(stderr, "\n");
+}
static wtap_dumper *
-editcap_dump_open(const char *filename, guint32 snaplen,
- GArray* shb_hdrs,
- wtapng_iface_descriptions_t *idb_inf,
- GArray* nrb_hdrs, int *write_err)
+editcap_dump_open(const char *filename, const wtap_dump_params *params,
+ int *write_err)
{
wtap_dumper *pdh;
if (strcmp(filename, "-") == 0) {
/* Write to the standard output. */
- pdh = wtap_dump_open_stdout_ng(out_file_type_subtype, out_frame_type,
- snaplen, FALSE /* compressed */,
- shb_hdrs, idb_inf, nrb_hdrs, write_err);
+ pdh = wtap_dump_open_stdout(out_file_type_subtype, WTAP_UNCOMPRESSED,
+ params, write_err);
} else {
- pdh = wtap_dump_open_ng(filename, out_file_type_subtype, out_frame_type,
- snaplen, FALSE /* compressed */,
- shb_hdrs, idb_inf, nrb_hdrs, write_err);
+ pdh = wtap_dump_open(filename, out_file_type_subtype, WTAP_UNCOMPRESSED,
+ params, write_err);
}
return pdh;
}
-int
-main(int argc, char *argv[])
+static int
+real_main(int argc, char *argv[])
{
GString *comp_info_str;
GString *runtime_info_str;
- wtap *wth;
+ char *init_progfile_dir_error;
+ wtap *wth = NULL;
int i, j, read_err, write_err;
gchar *read_err_info, *write_err_info;
int opt;
static const struct option long_options[] = {
{"novlan", no_argument, NULL, 0x8100},
+ {"skip-radiotap-header", no_argument, NULL, 0x8101},
+ {"seed", required_argument, NULL, 0x8102},
+ {"inject-secrets", required_argument, NULL, 0x8103},
{"help", no_argument, NULL, 'h'},
{"version", no_argument, NULL, 'V'},
{0, 0, 0, 0 }
int err_type;
guint8 *buf;
guint32 read_count = 0;
- int split_packet_count = 0;
+ guint32 split_packet_count = 0;
int written_count = 0;
char *filename = NULL;
gboolean ts_okay;
- int secs_per_block = 0;
+ guint32 secs_per_block = 0;
int block_cnt = 0;
nstime_t block_start;
gchar *fprefix = NULL;
gchar *fsuffix = NULL;
guint32 change_offset = 0;
guint max_packet_number = 0;
- const struct wtap_pkthdr *phdr;
- struct wtap_pkthdr temp_phdr;
- wtapng_iface_descriptions_t *idb_inf = NULL;
- GArray *shb_hdrs = NULL;
- GArray *nrb_hdrs = NULL;
+ GArray *dsb_types = NULL;
+ GPtrArray *dsb_filenames = NULL;
+ const wtap_rec *rec;
+ wtap_rec temp_rec;
+ wtap_dump_params params = WTAP_DUMP_PARAMS_INIT;
char *shb_user_appl;
+ gboolean do_mutation;
+ guint32 caplen;
+ int ret = EXIT_SUCCESS;
+ gboolean valid_seed = FALSE;
+ unsigned int seed = 0;
-#ifdef HAVE_PLUGINS
- char* init_progfile_dir_error;
-#endif
+ cmdarg_err_init(failure_warning_message, failure_message_cont);
#ifdef _WIN32
- arg_list_utf_16to8(argc, argv);
create_app_running_mutex();
#endif /* _WIN32 */
"\n"
"%s",
get_ws_vcs_version_info(), comp_info_str->str, runtime_info_str->str);
+ g_string_free(comp_info_str, TRUE);
+ g_string_free(runtime_info_str, TRUE);
/*
* Get credential information for later use.
*/
init_process_policies();
- init_open_routines();
-#ifdef HAVE_PLUGINS
- /* Register wiretap plugins */
- if ((init_progfile_dir_error = init_progfile_dir(argv[0], main))) {
- g_warning("editcap: init_progfile_dir(): %s", init_progfile_dir_error);
+ /*
+ * Attempt to get the pathname of the directory containing the
+ * executable file.
+ */
+ init_progfile_dir_error = init_progfile_dir(argv[0]);
+ if (init_progfile_dir_error != NULL) {
+ fprintf(stderr,
+ "editcap: Can't get pathname of directory containing the editcap program: %s.\n",
+ init_progfile_dir_error);
g_free(init_progfile_dir_error);
- } else {
- /* Register all the plugin types we have. */
- wtap_register_plugin_types(); /* Types known to libwiretap */
-
- init_report_err(failure_message,NULL,NULL,NULL);
+ }
- /* Scan for plugins. This does *not* call their registration routines;
- that's done later.
+ init_report_message(failure_warning_message, failure_warning_message,
+ NULL, NULL, NULL);
- Don't report failures to load plugins because most (non-wiretap)
- plugins *should* fail to load (because we're not linked against
- libwireshark and dissector plugins need libwireshark). */
- scan_plugins(DONT_REPORT_LOAD_FAILURE);
-
- /* Register all libwiretap plugin modules. */
- register_all_wiretap_modules();
- }
-#endif
+ wtap_init(TRUE);
/* Process the options */
- while ((opt = getopt_long(argc, argv, "a:A:B:c:C:dD:E:F:hi:I:Lo:rs:S:t:T:vVw:", long_options, NULL)) != -1) {
+ while ((opt = getopt_long(argc, argv, ":a:A:B:c:C:dD:E:F:hi:I:Lo:rs:S:t:T:vVw:", long_options, NULL)) != -1) {
switch (opt) {
case 0x8100:
{
break;
}
+ case 0x8101:
+ {
+ skip_radiotap = TRUE;
+ break;
+ }
+
+ case 0x8102:
+ {
+ if (sscanf(optarg, "%u", &seed) != 1) {
+ fprintf(stderr, "editcap: \"%s\" isn't a valid seed\n\n",
+ optarg);
+ ret = INVALID_OPTION;
+ goto clean_exit;
+ }
+ valid_seed = TRUE;
+ break;
+ }
+
+ case 0x8103: /* --inject-secrets */
+ {
+ guint32 secrets_type_id = 0;
+ const char *secrets_filename = NULL;
+ if (strcmp("help", optarg) == 0) {
+ list_secrets_types(stdout);
+ goto clean_exit;
+ }
+ gchar **splitted = g_strsplit(optarg, ",", 2);
+ if (splitted[0]) {
+ secrets_type_id = lookup_secrets_type(splitted[0]);
+ secrets_filename = splitted[1];
+ }
+
+ if (secrets_type_id == 0) {
+ fprintf(stderr, "editcap: \"%s\" isn't a valid secrets type\n", secrets_filename);
+ g_strfreev(splitted);
+ ret = INVALID_OPTION;
+ goto clean_exit;
+ }
+ if (!dsb_filenames) {
+ dsb_types = g_array_new(FALSE, FALSE, sizeof(guint32));
+ dsb_filenames = g_ptr_array_new_with_free_func(g_free);
+ }
+ g_array_append_val(dsb_types, secrets_type_id);
+ g_ptr_array_add(dsb_filenames, g_strdup(secrets_filename));
+ g_strfreev(splitted);
+ break;
+ }
+
case 'a':
{
guint frame_number;
if ((sscanf(optarg, "%u:%n", &frame_number, &string_start_index) < 1) || (string_start_index == 0)) {
fprintf(stderr, "editcap: \"%s\" isn't a valid <frame>:<comment>\n\n",
optarg);
- exit(1);
+ ret = INVALID_OPTION;
+ goto clean_exit;
}
/* Lazily create the table */
if (!strptime(optarg,"%Y-%m-%d %T", &starttm)) {
fprintf(stderr, "editcap: \"%s\" isn't a valid time format\n\n",
optarg);
- exit(1);
+ ret = INVALID_OPTION;
+ goto clean_exit;
}
check_startstop = TRUE;
if (!strptime(optarg,"%Y-%m-%d %T", &stoptm)) {
fprintf(stderr, "editcap: \"%s\" isn't a valid time format\n\n",
optarg);
- exit(1);
+ ret = INVALID_OPTION;
+ goto clean_exit;
}
check_startstop = TRUE;
stoptm.tm_isdst = -1;
}
case 'c':
- 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);
- exit(1);
- }
- if (split_packet_count <= 0) {
- fprintf(stderr, "editcap: \"%d\" packet count must be larger than zero\n",
- split_packet_count);
- exit(1);
- }
+ split_packet_count = get_nonzero_guint32(optarg, "packet count");
break;
case 'C':
default:
fprintf(stderr, "editcap: \"%s\" isn't a valid chop length or offset:length\n",
optarg);
- exit(1);
+ ret = INVALID_OPTION;
+ goto clean_exit;
break;
}
case 'D':
dup_detect = TRUE;
dup_detect_by_time = FALSE;
- dup_window = (int)strtol(optarg, &p, 10);
- if (p == optarg || *p != '\0') {
- fprintf(stderr, "editcap: \"%s\" isn't a valid duplicate window value\n",
- optarg);
- exit(1);
- }
- if (dup_window < 0 || dup_window > MAX_DUP_DEPTH) {
+ dup_window = get_guint32(optarg, "duplicate window");
+ if (dup_window > MAX_DUP_DEPTH) {
fprintf(stderr, "editcap: \"%d\" duplicate window value must be between 0 and %d inclusive.\n",
dup_window, MAX_DUP_DEPTH);
- exit(1);
+ ret = INVALID_OPTION;
+ goto clean_exit;
}
break;
if (p == optarg || err_prob < 0.0 || err_prob > 1.0) {
fprintf(stderr, "editcap: probability \"%s\" must be between 0.0 and 1.0\n",
optarg);
- exit(1);
+ ret = INVALID_OPTION;
+ goto clean_exit;
}
- srand( (unsigned int) (time(NULL) + ws_getpid()) );
break;
case 'F':
if (out_file_type_subtype < 0) {
fprintf(stderr, "editcap: \"%s\" isn't a valid capture file type\n\n",
optarg);
- list_capture_types();
- exit(1);
+ list_capture_types(stderr);
+ ret = INVALID_OPTION;
+ goto clean_exit;
}
break;
"See https://www.wireshark.org for more information.\n",
get_ws_vcs_version_info());
print_usage(stdout);
- exit(0);
+ goto clean_exit;
break;
case 'i': /* break capture file based on time interval */
- secs_per_block = atoi(optarg);
- if (secs_per_block <= 0) {
- fprintf(stderr, "editcap: \"%s\" isn't a valid time interval\n\n",
- optarg);
- exit(1);
- }
+ secs_per_block = get_nonzero_guint32(optarg, "time interval");
break;
case 'I': /* ignored_bytes at the beginning of the frame for duplications removal */
- ignored_bytes = atoi(optarg);
- if(ignored_bytes <= 0) {
- fprintf(stderr, "editcap: \"%s\" isn't a valid number of bytes to ignore\n", optarg);
- exit(1);
- }
+ ignored_bytes = get_guint32(optarg, "number of bytes to ignore");
break;
case 'L':
break;
case 'o':
- change_offset = (guint32)strtol(optarg, &p, 10);
+ change_offset = get_guint32(optarg, "change offset");
break;
case 'r':
break;
case 's':
- snaplen = (guint32)strtol(optarg, &p, 10);
- if (p == optarg || *p != '\0') {
- fprintf(stderr, "editcap: \"%s\" isn't a valid snapshot length\n",
- optarg);
- exit(1);
- }
+ snaplen = get_nonzero_guint32(optarg, "snapshot length");
break;
case 'S':
- set_strict_time_adj(optarg);
+ if (!set_strict_time_adj(optarg)) {
+ ret = INVALID_OPTION;
+ goto clean_exit;
+ }
do_strict_time_adjustment = TRUE;
break;
case 't':
- set_time_adjustment(optarg);
+ if (!set_time_adjustment(optarg)) {
+ ret = INVALID_OPTION;
+ goto clean_exit;
+ }
break;
case 'T':
if (out_frame_type < 0) {
fprintf(stderr, "editcap: \"%s\" isn't a valid encapsulation type\n\n",
optarg);
- list_encap_types();
- exit(1);
+ list_encap_types(stderr);
+ ret = INVALID_OPTION;
+ goto clean_exit;
}
break;
break;
case 'V':
+ comp_info_str = get_compiled_version_info(NULL, NULL);
+ runtime_info_str = get_runtime_version_info(NULL);
show_version("Editcap (Wireshark)", comp_info_str, runtime_info_str);
g_string_free(comp_info_str, TRUE);
g_string_free(runtime_info_str, TRUE);
- exit(0);
+ goto clean_exit;
break;
case 'w':
dup_detect = FALSE;
dup_detect_by_time = TRUE;
dup_window = MAX_DUP_DEPTH;
- set_rel_time(optarg);
+ if (!set_rel_time(optarg)) {
+ ret = INVALID_OPTION;
+ goto clean_exit;
+ }
break;
case '?': /* Bad options if GNU getopt */
+ case ':': /* missing option argument */
switch(optopt) {
case'F':
- list_capture_types();
+ list_capture_types(stdout);
break;
case'T':
- list_encap_types();
+ list_encap_types(stdout);
break;
default:
+ if (opt == '?') {
+ fprintf(stderr, "editcap: invalid option -- '%c'\n", optopt);
+ } else {
+ fprintf(stderr, "editcap: option requires an argument -- '%c'\n", optopt);
+ }
print_usage(stderr);
+ ret = INVALID_OPTION;
break;
}
- exit(1);
+ goto clean_exit;
break;
}
} /* processing commmand-line options */
fprintf(stderr, "Optind = %i, argc = %i\n", optind, argc);
#endif
- if ((argc - optind) < 1) {
+ if ((argc - optind) < 2) {
print_usage(stderr);
- exit(1);
+ ret = INVALID_OPTION;
+ goto clean_exit;
+
+ }
+
+ if (err_prob >= 0.0) {
+ if (!valid_seed) {
+ seed = (unsigned int) (time(NULL) + ws_getpid());
+ }
+ if (verbose) {
+ fprintf(stderr, "Using seed %u\n", seed);
+ }
+ srand(seed);
}
if (check_startstop && !stoptime) {
stoptm.tm_year = 135;
stoptm.tm_mday = 31;
stoptm.tm_mon = 11;
+ stoptm.tm_isdst = -1;
stoptime = mktime(&stoptm);
}
if (starttime > stoptime) {
fprintf(stderr, "editcap: start time is after the stop time\n");
- exit(1);
+ ret = INVALID_OPTION;
+ goto clean_exit;
}
- if (split_packet_count > 0 && secs_per_block > 0) {
+ if (split_packet_count != 0 && secs_per_block != 0) {
fprintf(stderr, "editcap: can't split on both packet count and time interval\n");
fprintf(stderr, "editcap: at the same time\n");
- exit(1);
+ ret = INVALID_OPTION;
+ goto clean_exit;
}
wth = wtap_open_offline(argv[optind], WTAP_TYPE_AUTO, &read_err, &read_err_info, FALSE);
if (!wth) {
- fprintf(stderr, "editcap: Can't open %s: %s\n", argv[optind],
- wtap_strerror(read_err));
- if (read_err_info != NULL) {
- fprintf(stderr, "(%s)\n", read_err_info);
- g_free(read_err_info);
- }
- exit(2);
+ cfile_open_failure_message("editcap", argv[optind], read_err,
+ read_err_info);
+ ret = INVALID_FILE;
+ goto clean_exit;
}
if (verbose) {
wtap_file_type_subtype_string(wtap_file_type_subtype(wth)));
}
- shb_hdrs = wtap_file_get_shb_for_new_file(wth);
- idb_inf = wtap_file_get_idb_info(wth);
- nrb_hdrs = wtap_file_get_nrb_for_new_file(wth);
+ if (ignored_bytes != 0 && skip_radiotap == TRUE) {
+ fprintf(stderr, "editcap: can't skip radiotap headers and %d byte(s)\n", ignored_bytes);
+ fprintf(stderr, "editcap: at the start of packet at the same time\n");
+ ret = INVALID_OPTION;
+ goto clean_exit;
+ }
+
+ if (skip_radiotap == TRUE && wtap_file_encap(wth) != WTAP_ENCAP_IEEE_802_11_RADIOTAP) {
+ fprintf(stderr, "editcap: can't skip radiotap header because input file is incorrect\n");
+ fprintf(stderr, "editcap: expected '%s', input is '%s'\n",
+ wtap_encap_string(WTAP_ENCAP_IEEE_802_11_RADIOTAP),
+ wtap_encap_string(wtap_file_type_subtype(wth)));
+ ret = INVALID_OPTION;
+ goto clean_exit;
+ }
+
+ wtap_dump_params_init(¶ms, wth);
+
+ if (dsb_filenames) {
+ for (guint k = 0; k < dsb_filenames->len; k++) {
+ guint32 secrets_type_id = g_array_index(dsb_types, guint32, k);
+ const char *secrets_filename = (const char *)g_ptr_array_index(dsb_filenames, k);
+ char *data;
+ gsize data_len;
+ wtap_block_t block;
+ wtapng_dsb_mandatory_t *dsb;
+ GError *err = NULL;
+
+ if (!g_file_get_contents(secrets_filename, &data, &data_len, &err)) {
+ fprintf(stderr, "editcap: \"%s\" could not be read: %s\n", secrets_filename, err->message);
+ g_clear_error(&err);
+ ret = INVALID_OPTION;
+ goto clean_exit;
+ }
+ if (data_len == 0) {
+ fprintf(stderr, "editcap: \"%s\" is an empty file, ignoring\n", secrets_filename);
+ g_free(data);
+ continue;
+ }
+ if (data_len >= G_MAXINT) {
+ fprintf(stderr, "editcap: \"%s\" is too large, ignoring\n", secrets_filename);
+ g_free(data);
+ continue;
+ }
+
+ block = wtap_block_create(WTAP_BLOCK_DSB);
+ dsb = (wtapng_dsb_mandatory_t *)wtap_block_get_mandatory_data(block);
+ dsb->secrets_type = secrets_type_id;
+ dsb->secrets_len = (guint)data_len;
+ dsb->secrets_data = data;
+ if (params.dsbs_initial == NULL) {
+ params.dsbs_initial = g_array_new(FALSE, FALSE, sizeof(wtap_block_t));
+ }
+ g_array_append_val(params.dsbs_initial, block);
+ }
+ }
/*
- * Now, process the rest, if any ... we only write if there is an extra
- * argument or so ...
+ * If an encapsulation type was specified, override the encapsulation
+ * type of the input file.
*/
+ if (out_frame_type != -2)
+ params.encap = out_frame_type;
- if ((argc - optind) >= 2) {
- if (out_frame_type == -2)
- out_frame_type = wtap_file_encap(wth);
+ /*
+ * If a snapshot length was specified, and it's less than the snapshot
+ * length of the input file, override the snapshot length of the input
+ * file.
+ */
+ if (snaplen != 0 && snaplen < wtap_snapshot_length(wth))
+ params.snaplen = snaplen;
- for (i = optind + 2; i < argc; i++)
- if (add_selection(argv[i], &max_packet_number) == FALSE)
- break;
+ /*
+ * Now process the arguments following the input and output file
+ * names, if any; they specify packets to include/exclude.
+ */
+ for (i = optind + 2; i < argc; i++)
+ if (add_selection(argv[i], &max_packet_number) == FALSE)
+ break;
- if (keep_em == FALSE)
- max_packet_number = G_MAXUINT;
+ if (keep_em == FALSE)
+ max_packet_number = G_MAXUINT;
- if (dup_detect || dup_detect_by_time) {
- for (i = 0; i < dup_window; i++) {
- memset(&fd_hash[i].digest, 0, 16);
- fd_hash[i].len = 0;
- nstime_set_unset(&fd_hash[i].frame_time);
- }
+ if (dup_detect || dup_detect_by_time) {
+ for (i = 0; i < dup_window; i++) {
+ memset(&fd_hash[i].digest, 0, 16);
+ fd_hash[i].len = 0;
+ nstime_set_unset(&fd_hash[i].frame_time);
}
+ }
- /* Read all of the packets in turn */
- while (wtap_read(wth, &read_err, &read_err_info, &data_offset)) {
- if (max_packet_number <= read_count)
- break;
-
- read_count++;
-
- phdr = wtap_phdr(wth);
+ /* Read all of the packets in turn */
+ while (wtap_read(wth, &read_err, &read_err_info, &data_offset)) {
+ if (max_packet_number <= read_count)
+ break;
- /* Extra actions for the first packet */
- if (read_count == 1) {
- if (split_packet_count > 0 || secs_per_block > 0) {
- if (!fileset_extract_prefix_suffix(argv[optind+1], &fprefix, &fsuffix))
- goto error_on_exit;
+ read_count++;
- filename = fileset_get_filename_by_pattern(block_cnt++, phdr, fprefix, fsuffix);
- } else {
- filename = g_strdup(argv[optind+1]);
- }
- g_assert(filename);
+ rec = wtap_get_rec(wth);
- /* If we don't have an application name add Editcap */
- if (wtap_block_get_string_option_value(g_array_index(shb_hdrs, wtap_block_t, 0), OPT_SHB_USERAPPL, &shb_user_appl) != WTAP_OPTTYPE_SUCCESS) {
- wtap_block_add_string_option_format(g_array_index(shb_hdrs, wtap_block_t, 0), OPT_SHB_USERAPPL, "Editcap " VERSION);
+ /* Extra actions for the first packet */
+ if (read_count == 1) {
+ if (split_packet_count != 0 || secs_per_block != 0) {
+ if (!fileset_extract_prefix_suffix(argv[optind+1], &fprefix, &fsuffix)) {
+ ret = CANT_EXTRACT_PREFIX;
+ goto clean_exit;
}
- pdh = editcap_dump_open(filename,
- snaplen ? MIN(snaplen, wtap_snapshot_length(wth)) : wtap_snapshot_length(wth),
- shb_hdrs, idb_inf, nrb_hdrs, &write_err);
+ filename = fileset_get_filename_by_pattern(block_cnt++, rec, fprefix, fsuffix);
+ } else {
+ filename = g_strdup(argv[optind+1]);
+ }
+ g_assert(filename);
- if (pdh == NULL) {
- fprintf(stderr, "editcap: Can't open or create %s: %s\n",
- filename, wtap_strerror(write_err));
- goto error_on_exit;
- }
- } /* first packet only handling */
+ /* If we don't have an application name add Editcap */
+ if (wtap_block_get_string_option_value(g_array_index(params.shb_hdrs, wtap_block_t, 0), OPT_SHB_USERAPPL, &shb_user_appl) != WTAP_OPTTYPE_SUCCESS) {
+ wtap_block_add_string_option_format(g_array_index(params.shb_hdrs, wtap_block_t, 0), OPT_SHB_USERAPPL, "Editcap " VERSION);
+ }
+ pdh = editcap_dump_open(filename, ¶ms, &write_err);
- buf = wtap_buf_ptr(wth);
+ if (pdh == NULL) {
+ cfile_dump_open_failure_message("editcap", filename,
+ write_err,
+ out_file_type_subtype);
+ ret = INVALID_FILE;
+ goto clean_exit;
+ }
+ } /* first packet only handling */
- /*
- * Not all packets have time stamps. Only process the time
- * stamp if we have one.
- */
- if (phdr->presence_flags & WTAP_HAS_TS) {
- if (nstime_is_unset(&block_start)) {
- block_start = phdr->ts;
- }
- if (secs_per_block > 0) {
- while ((phdr->ts.secs - block_start.secs > secs_per_block)
- || (phdr->ts.secs - block_start.secs == secs_per_block
- && phdr->ts.nsecs >= block_start.nsecs )) { /* time for the next file */
+ buf = wtap_get_buf_ptr(wth);
- if (!wtap_dump_close(pdh, &write_err)) {
- fprintf(stderr, "editcap: Error writing to %s: %s\n",
- filename, wtap_strerror(write_err));
- goto error_on_exit;
- }
- block_start.secs = block_start.secs + secs_per_block; /* reset for next interval */
- g_free(filename);
- filename = fileset_get_filename_by_pattern(block_cnt++, phdr, fprefix, fsuffix);
- g_assert(filename);
-
- if (verbose)
- fprintf(stderr, "Continuing writing in file %s\n", filename);
-
- pdh = editcap_dump_open(filename,
- snaplen ? MIN(snaplen, wtap_snapshot_length(wth)) : wtap_snapshot_length(wth),
- shb_hdrs, idb_inf, nrb_hdrs, &write_err);
-
- if (pdh == NULL) {
- fprintf(stderr, "editcap: Can't open or create %s: %s\n",
- filename, wtap_strerror(write_err));
- goto error_on_exit;
- }
- }
- }
- } /* time stamp handling */
+ /*
+ * Not all packets have time stamps. Only process the time
+ * stamp if we have one.
+ */
+ if (rec->presence_flags & WTAP_HAS_TS) {
+ if (nstime_is_unset(&block_start)) {
+ block_start = rec->ts;
+ }
+ if (secs_per_block != 0) {
+ while (((guint32)(rec->ts.secs - block_start.secs) > secs_per_block)
+ || ((guint32)(rec->ts.secs - block_start.secs) == secs_per_block
+ && rec->ts.nsecs >= block_start.nsecs )) { /* time for the next file */
- if (split_packet_count > 0) {
- /* time for the next file? */
- if (written_count > 0 && written_count % split_packet_count == 0) {
if (!wtap_dump_close(pdh, &write_err)) {
- fprintf(stderr, "editcap: Error writing to %s: %s\n",
- filename, wtap_strerror(write_err));
- goto error_on_exit;
+ cfile_close_failure_message(filename, write_err);
+ ret = WRITE_ERROR;
+ goto clean_exit;
}
-
+ block_start.secs = block_start.secs + secs_per_block; /* reset for next interval */
g_free(filename);
- filename = fileset_get_filename_by_pattern(block_cnt++, phdr, fprefix, fsuffix);
+ filename = fileset_get_filename_by_pattern(block_cnt++, rec, fprefix, fsuffix);
g_assert(filename);
if (verbose)
fprintf(stderr, "Continuing writing in file %s\n", filename);
- pdh = editcap_dump_open(filename,
- snaplen ? MIN(snaplen, wtap_snapshot_length(wth)) : wtap_snapshot_length(wth),
- shb_hdrs, idb_inf, nrb_hdrs, &write_err);
+ pdh = editcap_dump_open(filename, ¶ms, &write_err);
+
if (pdh == NULL) {
- fprintf(stderr, "editcap: Can't open or create %s: %s\n",
- filename, wtap_strerror(write_err));
- goto error_on_exit;
+ cfile_dump_open_failure_message("editcap", filename,
+ write_err,
+ out_file_type_subtype);
+ ret = INVALID_FILE;
+ goto clean_exit;
}
}
- } /* split packet handling */
+ }
+ } /* time stamp handling */
+
+ if (split_packet_count != 0) {
+ /* time for the next file? */
+ if (written_count > 0 && (written_count % split_packet_count) == 0) {
+ if (!wtap_dump_close(pdh, &write_err)) {
+ cfile_close_failure_message(filename, write_err);
+ ret = WRITE_ERROR;
+ goto clean_exit;
+ }
- if (check_startstop) {
- /*
- * Is the packet in the selected timeframe?
- * If the packet has no time stamp, the answer is "no".
- */
- if (phdr->presence_flags & WTAP_HAS_TS)
- ts_okay = (phdr->ts.secs >= starttime) && (phdr->ts.secs < stoptime);
- else
- ts_okay = FALSE;
- } else {
- /*
- * No selected timeframe, so all packets are "in the
- * selected timeframe".
- */
- ts_okay = TRUE;
+ g_free(filename);
+ filename = fileset_get_filename_by_pattern(block_cnt++, rec, fprefix, fsuffix);
+ g_assert(filename);
+
+ if (verbose)
+ fprintf(stderr, "Continuing writing in file %s\n", filename);
+
+ pdh = editcap_dump_open(filename, ¶ms, &write_err);
+ if (pdh == NULL) {
+ cfile_dump_open_failure_message("editcap", filename,
+ write_err,
+ out_file_type_subtype);
+ ret = INVALID_FILE;
+ goto clean_exit;
+ }
}
+ } /* split packet handling */
- if (ts_okay && ((!selected(count) && !keep_em)
- || (selected(count) && keep_em))) {
+ if (check_startstop) {
+ /*
+ * Is the packet in the selected timeframe?
+ * If the packet has no time stamp, the answer is "no".
+ */
+ if (rec->presence_flags & WTAP_HAS_TS)
+ ts_okay = (rec->ts.secs >= starttime) && (rec->ts.secs < stoptime);
+ else
+ ts_okay = FALSE;
+ } else {
+ /*
+ * No selected timeframe, so all packets are "in the
+ * selected timeframe".
+ */
+ ts_okay = TRUE;
+ }
- if (verbose && !dup_detect && !dup_detect_by_time)
- fprintf(stderr, "Packet: %u\n", count);
+ if (ts_okay && ((!selected(count) && !keep_em)
+ || (selected(count) && keep_em))) {
- /* We simply write it, perhaps after truncating it; we could
- * do other things, like modify it. */
+ if (verbose && !dup_detect && !dup_detect_by_time)
+ fprintf(stderr, "Packet: %u\n", count);
- phdr = wtap_phdr(wth);
+ /* We simply write it, perhaps after truncating it; we could
+ * do other things, like modify it. */
- if (snaplen != 0) {
- /* Limit capture length to snaplen */
- if (phdr->caplen > snaplen) {
- /* Copy and change rather than modify returned phdr */
- temp_phdr = *phdr;
- temp_phdr.caplen = snaplen;
- phdr = &temp_phdr;
- }
- /* If -L, also set reported length to snaplen */
- if (adjlen && phdr->len > snaplen) {
- /* Copy and change rather than modify returned phdr */
- temp_phdr = *phdr;
- temp_phdr.len = snaplen;
- phdr = &temp_phdr;
- }
- }
+ rec = wtap_get_rec(wth);
- /* CHOP */
- temp_phdr = *phdr;
- handle_chopping(chop, &temp_phdr, phdr, &buf, adjlen);
- phdr = &temp_phdr;
-
- if (phdr->presence_flags & WTAP_HAS_TS) {
- /* Do we adjust timestamps to ensure strict chronological
- * 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 = phdr->ts;
-
- 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).
- */
- /* fprintf(stderr, "++out of order, need to adjust this packet!\n"); */
- temp_phdr = *phdr;
- temp_phdr.ts.secs = previous_time.secs + strict_time_adj.tv.secs;
- temp_phdr.ts.nsecs = previous_time.nsecs;
- if (temp_phdr.ts.nsecs + strict_time_adj.tv.nsecs > ONE_BILLION) {
- /* carry */
- temp_phdr.ts.secs++;
- temp_phdr.ts.nsecs += strict_time_adj.tv.nsecs - ONE_BILLION;
- } else {
- temp_phdr.ts.nsecs += strict_time_adj.tv.nsecs;
- }
- phdr = &temp_phdr;
- }
- } else {
+ if (rec->presence_flags & WTAP_HAS_TS) {
+ /* Do we adjust timestamps to ensure strict chronological
+ * 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 = rec->ts;
+
+ nstime_delta(&delta, ¤t, &previous_time);
+
+ if (delta.secs < 0 || delta.nsecs < 0) {
/*
- * A negative strict time adjustment is requested.
- * Unconditionally set each timestamp to previous
- * packet's timestamp plus delta.
+ * 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).
+ * Copy and change rather than modify
+ * returned rec.
*/
- temp_phdr = *phdr;
- temp_phdr.ts.secs = previous_time.secs + strict_time_adj.tv.secs;
- temp_phdr.ts.nsecs = previous_time.nsecs;
- if (temp_phdr.ts.nsecs + strict_time_adj.tv.nsecs > ONE_BILLION) {
+ /* fprintf(stderr, "++out of order, need to adjust this packet!\n"); */
+ temp_rec = *rec;
+ temp_rec.ts.secs = previous_time.secs + strict_time_adj.tv.secs;
+ temp_rec.ts.nsecs = previous_time.nsecs;
+ if (temp_rec.ts.nsecs + strict_time_adj.tv.nsecs >= ONE_BILLION) {
/* carry */
- temp_phdr.ts.secs++;
- temp_phdr.ts.nsecs += strict_time_adj.tv.nsecs - ONE_BILLION;
+ temp_rec.ts.secs++;
+ temp_rec.ts.nsecs += strict_time_adj.tv.nsecs - ONE_BILLION;
} else {
- temp_phdr.ts.nsecs += strict_time_adj.tv.nsecs;
+ temp_rec.ts.nsecs += strict_time_adj.tv.nsecs;
}
- phdr = &temp_phdr;
+ rec = &temp_rec;
+ }
+ } else {
+ /*
+ * A negative strict time adjustment is requested.
+ * Unconditionally set each timestamp to previous
+ * packet's timestamp plus delta.
+ * Copy and change rather than modify returned
+ * rec.
+ */
+ temp_rec = *rec;
+ temp_rec.ts.secs = previous_time.secs + strict_time_adj.tv.secs;
+ temp_rec.ts.nsecs = previous_time.nsecs;
+ if (temp_rec.ts.nsecs + strict_time_adj.tv.nsecs >= ONE_BILLION) {
+ /* carry */
+ temp_rec.ts.secs++;
+ temp_rec.ts.nsecs += strict_time_adj.tv.nsecs - ONE_BILLION;
+ } else {
+ temp_rec.ts.nsecs += strict_time_adj.tv.nsecs;
}
+ rec = &temp_rec;
}
- previous_time = phdr->ts;
}
+ previous_time = rec->ts;
+ }
- if (time_adj.tv.secs != 0) {
- temp_phdr = *phdr;
- if (time_adj.is_negative)
- temp_phdr.ts.secs -= time_adj.tv.secs;
- else
- temp_phdr.ts.secs += time_adj.tv.secs;
- phdr = &temp_phdr;
- }
+ if (time_adj.tv.secs != 0) {
+ /* Copy and change rather than modify returned rec */
+ temp_rec = *rec;
+ if (time_adj.is_negative)
+ temp_rec.ts.secs -= time_adj.tv.secs;
+ else
+ temp_rec.ts.secs += time_adj.tv.secs;
+ rec = &temp_rec;
+ }
- if (time_adj.tv.nsecs != 0) {
- temp_phdr = *phdr;
- if (time_adj.is_negative) { /* subtract */
- if (temp_phdr.ts.nsecs < time_adj.tv.nsecs) { /* borrow */
- temp_phdr.ts.secs--;
- temp_phdr.ts.nsecs += ONE_BILLION;
- }
- temp_phdr.ts.nsecs -= time_adj.tv.nsecs;
- } else { /* add */
- if (temp_phdr.ts.nsecs + time_adj.tv.nsecs > ONE_BILLION) {
- /* carry */
- temp_phdr.ts.secs++;
- temp_phdr.ts.nsecs += time_adj.tv.nsecs - ONE_BILLION;
- } else {
- temp_phdr.ts.nsecs += time_adj.tv.nsecs;
- }
+ if (time_adj.tv.nsecs != 0) {
+ /* Copy and change rather than modify returned rec */
+ temp_rec = *rec;
+ if (time_adj.is_negative) { /* subtract */
+ if (temp_rec.ts.nsecs < time_adj.tv.nsecs) { /* borrow */
+ temp_rec.ts.secs--;
+ temp_rec.ts.nsecs += ONE_BILLION;
+ }
+ temp_rec.ts.nsecs -= time_adj.tv.nsecs;
+ } else { /* add */
+ if (temp_rec.ts.nsecs + time_adj.tv.nsecs >= ONE_BILLION) {
+ /* carry */
+ temp_rec.ts.secs++;
+ temp_rec.ts.nsecs += time_adj.tv.nsecs - ONE_BILLION;
+ } else {
+ temp_rec.ts.nsecs += time_adj.tv.nsecs;
}
- phdr = &temp_phdr;
}
- } /* time stamp adjustment */
+ rec = &temp_rec;
+ }
+ } /* time stamp adjustment */
+
+ if (rec->rec_type == REC_TYPE_PACKET) {
+ if (snaplen != 0) {
+ /* Limit capture length to snaplen */
+ if (rec->rec_header.packet_header.caplen > snaplen) {
+ /* Copy and change rather than modify returned wtap_rec */
+ temp_rec = *rec;
+ temp_rec.rec_header.packet_header.caplen = snaplen;
+ rec = &temp_rec;
+ }
+ /* If -L, also set reported length to snaplen */
+ if (adjlen && rec->rec_header.packet_header.len > snaplen) {
+ /* Copy and change rather than modify returned phdr */
+ temp_rec = *rec;
+ temp_rec.rec_header.packet_header.len = snaplen;
+ rec = &temp_rec;
+ }
+ }
+
+ /*
+ * CHOP
+ * Copy and change rather than modify returned phdr.
+ */
+ temp_rec = *rec;
+ handle_chopping(chop, &temp_rec.rec_header.packet_header,
+ &rec->rec_header.packet_header, &buf,
+ adjlen);
+ rec = &temp_rec;
/* remove vlan info */
if (rem_vlan) {
- /* TODO: keep casting const like this? change pointer instead of value? */
- remove_vlan_info(phdr, buf, (guint32 *) &phdr->caplen);
+ /* Copy and change rather than modify returned rec */
+ temp_rec = *rec;
+ remove_vlan_info(&rec->rec_header.packet_header, buf,
+ &temp_rec.rec_header.packet_header.caplen);
+ rec = &temp_rec;
}
/* suppress duplicates by packet window */
if (dup_detect) {
- if (is_duplicate(buf, phdr->caplen)) {
+ if (is_duplicate(buf, rec->rec_header.packet_header.caplen)) {
if (verbose) {
fprintf(stderr, "Skipped: %u, Len: %u, MD5 Hash: ",
- count, phdr->caplen);
+ count,
+ rec->rec_header.packet_header.caplen);
for (i = 0; i < 16; i++)
fprintf(stderr, "%02x",
(unsigned char)fd_hash[cur_dup_entry].digest[i]);
} else {
if (verbose) {
fprintf(stderr, "Packet: %u, Len: %u, MD5 Hash: ",
- count, phdr->caplen);
+ count,
+ rec->rec_header.packet_header.caplen);
for (i = 0; i < 16; i++)
fprintf(stderr, "%02x",
(unsigned char)fd_hash[cur_dup_entry].digest[i]);
}
} /* suppression of duplicates */
- if (phdr->presence_flags & WTAP_HAS_TS) {
+ if (rec->presence_flags & WTAP_HAS_TS) {
/* suppress duplicates by time window */
if (dup_detect_by_time) {
nstime_t current;
- current.secs = phdr->ts.secs;
- current.nsecs = phdr->ts.nsecs;
+ current.secs = rec->ts.secs;
+ current.nsecs = rec->ts.nsecs;
- if (is_duplicate_rel_time(buf, phdr->caplen, ¤t)) {
+ if (is_duplicate_rel_time(buf,
+ rec->rec_header.packet_header.caplen,
+ ¤t)) {
if (verbose) {
fprintf(stderr, "Skipped: %u, Len: %u, MD5 Hash: ",
- count, phdr->caplen);
+ count,
+ rec->rec_header.packet_header.caplen);
for (i = 0; i < 16; i++)
fprintf(stderr, "%02x",
(unsigned char)fd_hash[cur_dup_entry].digest[i]);
} else {
if (verbose) {
fprintf(stderr, "Packet: %u, Len: %u, MD5 Hash: ",
- count, phdr->caplen);
+ count,
+ rec->rec_header.packet_header.caplen);
for (i = 0; i < 16; i++)
fprintf(stderr, "%02x",
(unsigned char)fd_hash[cur_dup_entry].digest[i]);
}
}
} /* suppress duplicates by time window */
+ }
+
+ /* Random error mutation */
+ do_mutation = FALSE;
+ caplen = 0;
+ if (err_prob > 0.0) {
+ switch (rec->rec_type) {
+
+ case REC_TYPE_PACKET:
+ caplen = rec->rec_header.packet_header.caplen;
+ do_mutation = TRUE;
+ break;
+
+ case REC_TYPE_FT_SPECIFIC_EVENT:
+ case REC_TYPE_FT_SPECIFIC_REPORT:
+ caplen = rec->rec_header.ft_specific_header.record_len;
+ do_mutation = TRUE;
+ break;
+
+ case REC_TYPE_SYSCALL:
+ caplen = rec->rec_header.syscall_header.event_filelen;
+ do_mutation = TRUE;
+ break;
+ }
- if (change_offset > phdr->caplen) {
+ if (change_offset > caplen) {
fprintf(stderr, "change offset %u is longer than caplen %u in packet %u\n",
- change_offset, phdr->caplen, count);
+ change_offset, caplen, count);
+ do_mutation = FALSE;
}
+ }
- /* Random error mutation */
- if (err_prob > 0.0 && change_offset <= phdr->caplen) {
- int real_data_start = 0;
+ if (do_mutation) {
+ int real_data_start = 0;
- /* Protect non-protocol data */
+ /* Protect non-protocol data */
+ switch (rec->rec_type) {
+
+ case REC_TYPE_PACKET:
if (wtap_file_type_subtype(wth) == WTAP_FILE_TYPE_SUBTYPE_CATAPULT_DCT2000)
real_data_start = find_dct2000_real_data(buf);
+ break;
+ }
- real_data_start += change_offset;
-
- for (i = real_data_start; i < (int) phdr->caplen; i++) {
- if (rand() <= err_prob * RAND_MAX) {
- err_type = rand() / (RAND_MAX / ERR_WT_TOTAL + 1);
+ real_data_start += change_offset;
- if (err_type < ERR_WT_BIT) {
- buf[i] ^= 1 << (rand() / (RAND_MAX / 8 + 1));
- err_type = ERR_WT_TOTAL;
- } else {
- err_type -= ERR_WT_BYTE;
- }
+ for (i = real_data_start; i < (int) caplen; i++) {
+ if (rand() <= err_prob * RAND_MAX) {
+ err_type = rand() / (RAND_MAX / ERR_WT_TOTAL + 1);
- if (err_type < ERR_WT_BYTE) {
- buf[i] = rand() / (RAND_MAX / 255 + 1);
- err_type = ERR_WT_TOTAL;
- } else {
- err_type -= ERR_WT_BYTE;
- }
+ if (err_type < ERR_WT_BIT) {
+ buf[i] ^= 1 << (rand() / (RAND_MAX / 8 + 1));
+ err_type = ERR_WT_TOTAL;
+ } else {
+ err_type -= ERR_WT_BYTE;
+ }
- if (err_type < ERR_WT_ALNUM) {
- buf[i] = ALNUM_CHARS[rand() / (RAND_MAX / ALNUM_LEN + 1)];
- err_type = ERR_WT_TOTAL;
- } else {
- err_type -= ERR_WT_ALNUM;
- }
+ if (err_type < ERR_WT_BYTE) {
+ buf[i] = rand() / (RAND_MAX / 255 + 1);
+ err_type = ERR_WT_TOTAL;
+ } else {
+ err_type -= ERR_WT_BYTE;
+ }
- if (err_type < ERR_WT_FMT) {
- if ((unsigned int)i < phdr->caplen - 2)
- g_strlcpy((char*) &buf[i], "%s", 2);
- err_type = ERR_WT_TOTAL;
- } else {
- err_type -= ERR_WT_FMT;
- }
+ if (err_type < ERR_WT_ALNUM) {
+ buf[i] = ALNUM_CHARS[rand() / (RAND_MAX / ALNUM_LEN + 1)];
+ err_type = ERR_WT_TOTAL;
+ } else {
+ err_type -= ERR_WT_ALNUM;
+ }
- if (err_type < ERR_WT_AA) {
- for (j = i; j < (int) phdr->caplen; j++)
- buf[j] = 0xAA;
- i = phdr->caplen;
- }
+ if (err_type < ERR_WT_FMT) {
+ if ((unsigned int)i < caplen - 2)
+ g_strlcpy((char*) &buf[i], "%s", 2);
+ err_type = ERR_WT_TOTAL;
+ } else {
+ err_type -= ERR_WT_FMT;
}
- }
- } /* random error mutation */
- /* Find a packet comment we may need to write */
- if (frames_user_comments) {
- const char *comment =
- (const char*)g_tree_lookup(frames_user_comments, GUINT_TO_POINTER(read_count));
- if (comment != NULL) {
- /* Copy and change rather than modify returned phdr */
- temp_phdr = *phdr;
- temp_phdr.opt_comment = g_strdup(comment);
- phdr = &temp_phdr;
+ if (err_type < ERR_WT_AA) {
+ for (j = i; j < (int) caplen; j++)
+ buf[j] = 0xAA;
+ i = caplen;
+ }
}
}
-
- /* Attempt to dump out current frame to the output file */
- if (!wtap_dump(pdh, phdr, buf, &write_err, &write_err_info)) {
- switch (write_err) {
- case WTAP_ERR_UNWRITABLE_ENCAP:
- /*
- * This is a problem with the particular frame we're
- * writing and the file type and subtype we're
- * writing; note that, and report the frame number
- * and file type/subtype.
- */
- fprintf(stderr,
- "editcap: Frame %u of \"%s\" has a network type that can't be saved in a \"%s\" file.\n",
- read_count, argv[optind],
- wtap_file_type_subtype_string(out_file_type_subtype));
- break;
-
- case WTAP_ERR_PACKET_TOO_LARGE:
- /*
- * This is a problem with the particular frame we're
- * writing and the file type and subtype we're
- * writing; note that, and report the frame number
- * and file type/subtype.
- */
- fprintf(stderr,
- "editcap: Frame %u of \"%s\" is too large for a \"%s\" file.\n",
- read_count, argv[optind],
- wtap_file_type_subtype_string(out_file_type_subtype));
- break;
-
- case WTAP_ERR_UNWRITABLE_REC_TYPE:
- /*
- * This is a problem with the particular record we're
- * writing and the file type and subtype we're
- * writing; note that, and report the record number
- * and file type/subtype.
- */
- fprintf(stderr,
- "editcap: Record %u of \"%s\" has a record type that can't be saved in a \"%s\" file.\n",
- read_count, argv[optind],
- wtap_file_type_subtype_string(out_file_type_subtype));
- break;
-
- case WTAP_ERR_UNWRITABLE_REC_DATA:
- /*
- * This is a problem with the particular record we're
- * writing and the file type and subtype we're
- * writing; note that, and report the record number
- * and file type/subtype.
- */
- fprintf(stderr,
- "editcap: Record %u of \"%s\" has data that can't be saved in a \"%s\" file.\n(%s)\n",
- read_count, argv[optind],
- wtap_file_type_subtype_string(out_file_type_subtype),
- write_err_info != NULL ? write_err_info : "no information supplied");
- g_free(write_err_info);
- break;
-
- default:
- fprintf(stderr, "editcap: Error writing to %s: %s\n",
- filename, wtap_strerror(write_err));
- break;
- }
- goto error_on_exit;
+ } /* random error mutation */
+
+ /* Find a packet comment we may need to write */
+ if (frames_user_comments) {
+ const char *comment =
+ (const char*)g_tree_lookup(frames_user_comments, GUINT_TO_POINTER(read_count));
+ /* XXX: What about comment changed to no comment? */
+ if (comment != NULL) {
+ /* Copy and change rather than modify returned rec */
+ temp_rec = *rec;
+ temp_rec.opt_comment = g_strdup(comment);
+ temp_rec.has_comment_changed = TRUE;
+ rec = &temp_rec;
+ } else {
+ /* Copy and change rather than modify returned rec */
+ temp_rec = *rec;
+ temp_rec.has_comment_changed = FALSE;
+ rec = &temp_rec;
}
- written_count++;
}
- count++;
- }
- g_free(fprefix);
- g_free(fsuffix);
-
- if (read_err != 0) {
- /* Print a message noting that the read failed somewhere along the
- * line. */
- fprintf(stderr,
- "editcap: An error occurred while reading \"%s\": %s.\n",
- argv[optind], wtap_strerror(read_err));
- if (read_err_info != NULL) {
- fprintf(stderr, "(%s)\n", read_err_info);
- g_free(read_err_info);
+ /* Attempt to dump out current frame to the output file */
+ if (!wtap_dump(pdh, rec, buf, &write_err, &write_err_info)) {
+ cfile_write_failure_message("editcap", argv[optind],
+ filename,
+ write_err, write_err_info,
+ read_count,
+ out_file_type_subtype);
+ ret = DUMP_ERROR;
+ goto clean_exit;
}
+ written_count++;
}
+ count++;
+ }
- 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]);
+ g_free(fprefix);
+ g_free(fsuffix);
- pdh = editcap_dump_open(filename,
- snaplen ? MIN(snaplen, wtap_snapshot_length(wth)): wtap_snapshot_length(wth),
- shb_hdrs, idb_inf, nrb_hdrs, &write_err);
- if (pdh == NULL) {
- fprintf(stderr, "editcap: Can't open or create %s: %s\n",
- filename, wtap_strerror(write_err));
- goto error_on_exit;
- }
+ if (read_err != 0) {
+ /* Print a message noting that the read failed somewhere along the
+ * line. */
+ cfile_read_failure_message("editcap", argv[optind], read_err,
+ read_err_info);
+ }
+
+ 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 = editcap_dump_open(filename, ¶ms, &write_err);
+ if (pdh == NULL) {
+ cfile_dump_open_failure_message("editcap", filename,
+ write_err,
+ out_file_type_subtype);
+ ret = INVALID_FILE;
+ goto clean_exit;
}
+ }
- g_free(idb_inf);
- idb_inf = NULL;
+ if (!wtap_dump_close(pdh, &write_err)) {
+ cfile_close_failure_message(filename, write_err);
+ ret = WRITE_ERROR;
+ goto clean_exit;
+ }
+ g_free(filename);
- if (!wtap_dump_close(pdh, &write_err)) {
- fprintf(stderr, "editcap: Error writing to %s: %s\n", filename,
- wtap_strerror(write_err));
- goto error_on_exit;
- }
- wtap_block_array_free(shb_hdrs);
- shb_hdrs = NULL;
- wtap_block_array_free(nrb_hdrs);
- nrb_hdrs = NULL;
- g_free(filename);
-
- if (frames_user_comments) {
- g_tree_destroy(frames_user_comments);
- }
+ if (frames_user_comments) {
+ g_tree_destroy(frames_user_comments);
}
if (dup_detect) {
(long int)relative_time_window.nsecs);
}
- return 0;
+clean_exit:
+ if (dsb_filenames) {
+ g_array_free(dsb_types, TRUE);
+ g_ptr_array_free(dsb_filenames, TRUE);
+ }
+ g_free(params.idb_inf);
+ wtap_dump_params_cleanup(¶ms);
+ if (wth != NULL)
+ wtap_close(wth);
+ wtap_cleanup();
+ free_progdirs();
+ return ret;
+}
+
+#ifdef _WIN32
+int
+wmain(int argc, wchar_t *wc_argv[])
+{
+ char **argv;
-error_on_exit:
- wtap_block_array_free(shb_hdrs);
- wtap_block_array_free(nrb_hdrs);
- g_free(idb_inf);
- exit(2);
+ argv = arg_list_utf_16to8(argc, wc_argv);
+ return real_main(argc, argv);
+}
+#else
+int
+main(int argc, char *argv[])
+{
+ return real_main(argc, argv);
}
+#endif
/* Skip meta-information read from file to return offset of real
* protocol data */
* positive chop length, and one by the negative chop length.
*/
static void
-handle_chopping(chop_t chop, struct wtap_pkthdr *out_phdr,
- const struct wtap_pkthdr *in_phdr, guint8 **buf,
+handle_chopping(chop_t chop, wtap_packet_header *out_phdr,
+ const wtap_packet_header *in_phdr, guint8 **buf,
gboolean adjlen)
{
- /* Only packets can be chopped. */
- if (in_phdr->rec_type != REC_TYPE_PACKET)
- return;
-
/* If we're not chopping anything from one side, then the offset for that
* side is meaningless. */
if (chop.len_begin == 0)
git.samba.org / metze / wireshark / wip.git / blobdiff