| /* |
| * 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)); |
| } |
| 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 */ |
| } |