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/*
* Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 2000
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that: (1) source code distributions
* retain the above copyright notice and this paragraph in its entirety, (2)
* distributions including binary code include the above copyright notice and
* this paragraph in its entirety in the documentation or other materials
* provided with the distribution, and (3) all advertising materials mentioning
* features or use of this software display the following acknowledgement:
* ``This product includes software developed by the University of California,
* Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
* the University nor the names of its contributors may be used to endorse
* or promote products derived from this software without specific prior
* written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
#include "varattrs.h"
#ifndef lint
static const char copyright[] _U_ =
"@(#) Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 2000\n\
The Regents of the University of California. All rights reserved.\n";
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <pcap.h>
#include "pcap/funcattrs.h"
static const char *program_name;
/* Forwards */
static void PCAP_NORETURN error(PCAP_FORMAT_STRING(const char *), ...) PCAP_PRINTFLIKE(1,2);
int
main(int argc, char **argv)
{
const char *cp;
pcap_t *pd;
char ebuf[PCAP_ERRBUF_SIZE];
int status;
if ((cp = strrchr(argv[0], '/')) != NULL)
program_name = cp + 1;
else
program_name = argv[0];
if (argc != 2) {
fprintf(stderr, "Usage: %s <device>\n", program_name);
return 2;
}
pd = pcap_create(argv[1], ebuf);
if (pd == NULL)
error("%s", ebuf);
status = pcap_can_set_rfmon(pd);
if (status < 0) {
if (status == PCAP_ERROR)
error("%s: pcap_can_set_rfmon failed: %s", argv[1],
pcap_geterr(pd));
else
error("%s: pcap_can_set_rfmon failed: %s", argv[1],
pcap_statustostr(status));
return 1;
}
printf("%s: Monitor mode %s be set\n", argv[1], status ? "can" : "cannot");
return 0;
}
/* VARARGS */
static void
error(const char *fmt, ...)
{
va_list ap;
(void)fprintf(stderr, "%s: ", program_name);
va_start(ap, fmt);
(void)vfprintf(stderr, fmt, ap);
va_end(ap);
if (*fmt) {
fmt += strlen(fmt);
if (fmt[-1] != '\n')
(void)fputc('\n', stderr);
}
exit(1);
/* NOTREACHED */
}
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