#include "wtap.h"
-#ifdef HAVE_GETOPT_H
-#include <getopt.h>
-#else
+#ifndef HAVE_GETOPT
#include "wsutil/wsgetopt.h"
#endif
#ifdef _WIN32
-#include <windows.h>
-#include <shellapi.h>
+#include <wsutil/unicode-utils.h>
#include <process.h> /* getpid */
#ifdef HAVE_WINSOCK2_H
#include <winsock2.h>
static struct select_item selectfrm[MAX_SELECTIONS];
static int max_selected = -1;
static int keep_em = 0;
-static int out_file_type = WTAP_FILE_PCAP; /* default to "libpcap" */
+#ifdef PCAP_NG_DEFAULT
+static int out_file_type = WTAP_FILE_PCAPNG; /* default to pcapng */
+#else
+static int out_file_type = WTAP_FILE_PCAP; /* default to pcap */
+#endif
static int out_frame_type = -2; /* Leave frame type alone */
static int verbose = 0; /* Not so verbose */
static struct time_adjustment time_adj = {{0, 0}, 0}; /* no adjustment */
tmp->tm_min,
tmp->tm_sec);
} else
- strcpy(buf, "");
+ buf[0] = '\0';
return buf;
}
fprintf(output, "Editcap %s"
#ifdef SVNVERSION
- " (" SVNVERSION " from " SVNPATH ")"
+ " (" SVNVERSION " from " SVNPATH ")"
#endif
- "\n", VERSION);
+ "\n", VERSION);
fprintf(output, "Edit and/or translate the format of capture files.\n");
fprintf(output, "See http://www.wireshark.org for more information.\n");
fprintf(output, "\n");
fprintf(output, "\n");
fprintf(output, "Packet manipulation:\n");
fprintf(output, " -s <snaplen> truncate each packet to max. <snaplen> bytes of data.\n");
- fprintf(output, " -C <choplen> chop each packet at the end by <choplen> bytes.\n");
+ fprintf(output, " -C <choplen> chop each packet by <choplen> bytes. Positive values\n");
+ fprintf(output, " chop at the packet beginning, negative values at the\n");
+ fprintf(output, " packet end.\n");
fprintf(output, " -t <time adjustment> adjust the timestamp of each packet;\n");
fprintf(output, " <time adjustment> is in relative seconds (e.g. -0.5).\n");
fprintf(output, " -S <strict adjustment> adjust timestamp of packets if necessary to insure\n");
static gint
string_compare(gconstpointer a, gconstpointer b)
{
- return strcmp(((struct string_elem *)a)->sstr,
- ((struct string_elem *)b)->sstr);
-}
+ return strcmp(((const struct string_elem *)a)->sstr,
+ ((const struct string_elem *)b)->sstr);
+}
static void
string_elem_print(gpointer data, gpointer not_used _U_)
-{
+{
fprintf(stderr, " %s - %s\n",
((struct string_elem *)data)->sstr,
((struct string_elem *)data)->lstr);
static void
failure_message(const char *msg_format _U_, va_list ap _U_)
{
- return;
+ return;
}
#endif
gchar *err_info;
int opt;
-#ifdef _WIN32
- LPWSTR *wc_argv;
- int wc_argc;
-#endif /* _WIN32 */
-
char *p;
- unsigned int snaplen = 0; /* No limit */
- unsigned int choplen = 0; /* No chop */
+ guint32 snaplen = 0; /* No limit */
+ int choplen = 0; /* No chop */
wtap_dumper *pdh = NULL;
int count = 1;
unsigned duplicate_count = 0;
int split_packet_count = 0;
int written_count = 0;
char *filename = NULL;
- gboolean check_ts;
+ gboolean ts_okay = TRUE;
int secs_per_block = 0;
int block_cnt = 0;
nstime_t block_start;
#endif
#ifdef _WIN32
- /* Convert our arg list to UTF-8. */
- wc_argv = CommandLineToArgvW(GetCommandLineW(), &wc_argc);
- if (wc_argv && wc_argc == argc) {
- for (i = 0; i < argc; i++) {
- argv[i] = g_utf16_to_utf8(wc_argv[i], -1, NULL, NULL, NULL);
- }
- } /* XXX else bail because something is horribly, horribly wrong? */
+ arg_list_utf_16to8(argc, argv);
#endif /* _WIN32 */
/*
case 'T':
out_frame_type = wtap_short_string_to_encap(optarg);
if (out_frame_type < 0) {
- fprintf(stderr, "editcap: \"%s\" isn't a valid encapsulation type\n\n",
- optarg);
+ fprintf(stderr, "editcap: \"%s\" isn't a valid encapsulation type\n\n",
+ optarg);
list_encap_types();
- exit(1);
+ exit(1);
}
break;
while (wtap_read(wth, &err, &err_info, &data_offset)) {
phdr = wtap_phdr(wth);
+ buf = wtap_buf_ptr(wth);
if (nstime_is_unset(&block_start)) { /* should only be the first packet */
block_start.secs = phdr->ts.secs;
} else
filename = g_strdup(argv[optind+1]);
- pdh = wtap_dump_open(filename, out_file_type,
- out_frame_type, wtap_snapshot_length(wth),
- FALSE /* compressed */, &err);
+ pdh = wtap_dump_open(filename, out_file_type, out_frame_type,
+ snaplen ? MIN(snaplen, wtap_snapshot_length(wth)) : 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));
fprintf(stderr, "Continuing writing in file %s\n", filename);
}
- pdh = wtap_dump_open(filename, out_file_type,
- out_frame_type, wtap_snapshot_length(wth), FALSE /* compressed */, &err);
+ pdh = wtap_dump_open(filename, out_file_type, out_frame_type,
+ snaplen ? MIN(snaplen, wtap_snapshot_length(wth)) : wtap_snapshot_length(wth),
+ FALSE /* compressed */, &err);
if (pdh == NULL) {
fprintf(stderr, "editcap: Can't open or create %s: %s\n", filename,
fprintf(stderr, "Continuing writing in file %s\n", filename);
}
- pdh = wtap_dump_open(filename, out_file_type,
- out_frame_type, wtap_snapshot_length(wth), FALSE /* compressed */, &err);
+ pdh = wtap_dump_open(filename, out_file_type, out_frame_type,
+ snaplen ? MIN(snaplen, wtap_snapshot_length(wth)) : 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));
}
}
- check_ts = check_timestamp(wth);
+ if (check_startstop)
+ ts_okay = check_timestamp(wth);
- if ( ((check_startstop && check_ts) || (!check_startstop && !check_ts)) && ((!selected(count) && !keep_em) ||
- (selected(count) && keep_em)) ) {
+ if ( ts_okay && ((!selected(count) && !keep_em) || (selected(count) && keep_em)) ) {
if (verbose && !dup_detect && !dup_detect_by_time)
printf("Packet: %u\n", count);
phdr = wtap_phdr(wth);
- if (choplen != 0 && phdr->caplen > choplen) {
+ if (snaplen != 0 && phdr->caplen > snaplen) {
snap_phdr = *phdr;
- snap_phdr.caplen -= choplen;
+ snap_phdr.caplen = snaplen;
phdr = &snap_phdr;
}
- if (snaplen != 0 && phdr->caplen > snaplen) {
+ if (choplen < 0) {
snap_phdr = *phdr;
- snap_phdr.caplen = snaplen;
+ if (((signed int) phdr->caplen + choplen) > 0)
+ snap_phdr.caplen += choplen;
+ else
+ snap_phdr.caplen = 0;
+ phdr = &snap_phdr;
+ } else if (choplen > 0) {
+ snap_phdr = *phdr;
+ if (phdr->caplen > (unsigned int) choplen) {
+ snap_phdr.caplen -= choplen;
+ buf += choplen;
+ } else
+ snap_phdr.caplen = 0;
phdr = &snap_phdr;
}
/* suppress duplicates by packet window */
if (dup_detect) {
- buf = wtap_buf_ptr(wth);
if (is_duplicate(buf, phdr->caplen)) {
if (verbose) {
fprintf(stdout, "Skipped: %u, Len: %u, MD5 Hash: ", count, phdr->caplen);
current.secs = phdr->ts.secs;
current.nsecs = phdr->ts.nsecs;
- buf = wtap_buf_ptr(wth);
-
if (is_duplicate_rel_time(buf, phdr->caplen, ¤t)) {
if (verbose) {
fprintf(stdout, "Skipped: %u, Len: %u, MD5 Hash: ", count, phdr->caplen);
/* Random error mutation */
if (err_prob > 0.0) {
int real_data_start = 0;
- buf = wtap_buf_ptr(wth);
/* Protect non-protocol data */
if (wtap_file_type(wth) == WTAP_FILE_CATAPULT_DCT2000) {
real_data_start = find_dct2000_real_data(buf);
if (err_type < ERR_WT_FMT) {
if ((unsigned int)i < phdr->caplen - 2)
- strncpy((char*) &buf[i], "%s", 2);
+ g_strlcpy((char*) &buf[i], "%s", 2);
err_type = ERR_WT_TOTAL;
} else {
err_type -= ERR_WT_FMT;
}
}
- if (!wtap_dump(pdh, phdr, wtap_pseudoheader(wth), wtap_buf_ptr(wth),
- &err)) {
+ if (!wtap_dump(pdh, phdr, wtap_pseudoheader(wth), buf, &err)) {
fprintf(stderr, "editcap: Error writing to %s: %s\n",
filename, wtap_strerror(err));
exit(2);
g_free (filename);
filename = g_strdup(argv[optind+1]);
- pdh = wtap_dump_open(filename, out_file_type,
- out_frame_type, wtap_snapshot_length(wth), FALSE /* compressed */, &err);
+ pdh = wtap_dump_open(filename, out_file_type, out_frame_type,
+ snaplen ? MIN(snaplen, wtap_snapshot_length(wth)): 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);
+ fprintf(stderr, "editcap: Can't open or create %s: %s\n", filename,
+ wtap_strerror(err));
+ exit(2);
}
}