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Another commit from a Qantas Club Lounge ... :-) 

Update editcap to print out the type of capture file if -v specified and
add a -h flag.  Also fix a few compiler warnings ...

svn path=/trunk/; revision=1302
This commit is contained in:
Richard Sharpe 1999-12-12 21:04:29 +00:00
parent 8b339e902c
commit e6c49cfe4d
1 changed files with 62 additions and 29 deletions
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91
editcap.c
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@ -1,13 +1,14 @@
/* Edit capture files. We can delete records, or simply convert from one
* format to another format.
*
* $Id: editcap.c,v 1.3 1999/12/05 01:27:14 guy Exp $
* $Id: editcap.c,v 1.4 1999/12/12 21:04:29 sharpe Exp $
*
* Originally written by Richard Sharpe.
* Improved by Guy Harris.
*/
#include <stdio.h>
#include <stdlib.h>
#include <glib.h>
#include <unistd.h>
#include <sys/time.h>
@ -20,8 +21,9 @@
int selectfrm[100], max_selected = -1;
static int count = 1;
static int keep_em = 0;
static int out_file_type = WTAP_FILE_PCAP; /* default to "libpcap" */
static int out_frame_type = -2; /* Leave frame type alone */
static int out_file_type = WTAP_FILE_PCAP; /* default to "libpcap" */
static int out_frame_type = -2; /* Leave frame type alone */
static int verbose = 0; /* Not so verbose */
/* Was the record selected? */
@ -60,7 +62,8 @@ edit_callback(u_char *user, const struct wtap_pkthdr *phdr, int offset,
if ((!selected(count) && !keep_em) ||
(selected(count) && keep_em)) {
printf("Record: %u\n", count);
if (verbose)
printf("Record: %u\n", count);
/* We simply write it, we could do other things, like modify it */
@ -81,12 +84,14 @@ edit_callback(u_char *user, const struct wtap_pkthdr *phdr, int offset,
void usage()
{
int i;
char *string;
const char *string;
fprintf(stderr, "Usage: editcap [-r] [-T <encap type>] [-F <capture type>] <infile> <outfile>\\\n");
fprintf(stderr, " [ <record#> ... ]\n");
fprintf(stderr, "Usage: editcap [-r] [-h] [-v] [-T <encap type>] [-F <capture type>] <infile>\\\n");
fprintf(stderr, " <outfile> [ <record#> ... ]\n");
fprintf(stderr, " where\t-r specifies that the records specified should be kept, not deleted, \n");
fprintf(stderr, " default is to delete\n");
fprintf(stderr, " \t-v specifies verbose operation, default is silent\n");
fprintf(stderr, " \t-h produces this help listing.\n");
fprintf(stderr, " \t-T <encap type> specifies the encapsulation type to use:\n");
for (i = 0; i < WTAP_NUM_ENCAP_TYPES; i++) {
string = wtap_encap_short_string(i);
@ -94,21 +99,21 @@ void usage()
fprintf(stderr, " \t %s - %s\n",
string, wtap_encap_string(i));
}
fprintf(stderr, " \t default is the same as the input file\n");
fprintf(stderr, " \t default is the same as the input file\n");
fprintf(stderr, " \t-F <capture type> specifies the capture file type to write:\n");
for (i = 0; i < WTAP_NUM_FILE_TYPES; i++) {
if (wtap_dump_can_open(i))
fprintf(stderr, " \t %s - %s\n",
wtap_file_type_short_string(i), wtap_file_type_string(i));
}
fprintf(stderr, " \t default is libpcap\n");
fprintf(stderr, " \t default is libpcap\n");
}
int main(int argc, char *argv[])
{
wtap *wth;
int read_bytes, pcnt = 0, i, err;
int i, err;
callback_arg args;
extern char *optarg;
extern int optind, opterr, optopt;
@ -116,7 +121,7 @@ int main(int argc, char *argv[])
/* Process the options first */
while ((opt = getopt(argc, argv, "T:F:r")) != EOF) {
while ((opt = getopt(argc, argv, "T:F:rv")) != EOF) {
switch (opt) {
@ -138,10 +143,19 @@ int main(int argc, char *argv[])
}
break;
case 'v':
verbose = !verbose; /* Just invert */
break;
case 'r':
keep_em = !keep_em; /* Just invert */
break;
case 'h':
usage();
exit(1);
break;
case '?': /* Bad options if GNU getopt */
usage();
exit(1);
@ -151,9 +165,11 @@ int main(int argc, char *argv[])
}
#ifdef DEBUG
printf("Optind = %i, argc = %i\n", optind, argc);
#endif
if ((argc - optind) < 2) {
if ((argc - optind) < 1) {
usage();
exit(1);
@ -170,32 +186,49 @@ int main(int argc, char *argv[])
}
args.filename = argv[optind + 1];
if (out_frame_type == -2)
out_frame_type = wtap_file_encap(wth);
if (verbose) {
args.pdh = wtap_dump_open(argv[optind + 1], out_file_type,
out_frame_type, wtap_snapshot_length(wth), &err);
if (args.pdh == NULL) {
fprintf(stderr, "editcap: Can't open or create %s: %s\n", argv[optind+1],
wtap_strerror(err));
exit(1);
fprintf(stderr, "File %s is a %s capture file.\n", argv[optind],
wtap_file_type_string(wtap_file_type(wth)));
}
for (i = optind + 2; i < argc; i++)
selectfrm[++max_selected] = atoi(argv[i]);
/*
* Now, process the rest, if any ... we only write if there is an extra
* argument or so ...
*/
wtap_loop(wth, 0, edit_callback, (char *)&args, &err);
if ((argc - optind) >= 2) {
if (!wtap_dump_close(args.pdh, &err)) {
args.filename = argv[optind + 1];
if (out_frame_type == -2)
out_frame_type = wtap_file_encap(wth);
fprintf(stderr, "editcap: Error writing to %s: %s\n", argv[2],
wtap_strerror(err));
exit(1);
args.pdh = wtap_dump_open(argv[optind + 1], out_file_type,
out_frame_type, wtap_snapshot_length(wth), &err);
if (args.pdh == NULL) {
fprintf(stderr, "editcap: Can't open or create %s: %s\n", argv[optind+1],
wtap_strerror(err));
exit(1);
}
for (i = optind + 2; i < argc; i++)
selectfrm[++max_selected] = atoi(argv[i]);
wtap_loop(wth, 0, edit_callback, (char *)&args, &err);
if (!wtap_dump_close(args.pdh, &err)) {
fprintf(stderr, "editcap: Error writing to %s: %s\n", argv[2],
wtap_strerror(err));
exit(1);
}
}
exit(0);
return 0; /* Silence compiler warnings */
}