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