75 lines
2.3 KiB
C
75 lines
2.3 KiB
C
/*
|
|
* Copyright (c) 1994, 1995, 1996
|
|
* 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.
|
|
*/
|
|
#ifndef lint
|
|
static const char rcsid[] =
|
|
"@(#) $Header: /tcpdump/master/libpcap/pcap-null.c,v 1.13 2000/10/28 00:01:29 guy Exp $ (LBL)";
|
|
#endif
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include <sys/param.h> /* optionally get BSD define */
|
|
|
|
#include <string.h>
|
|
|
|
#ifdef HAVE_OS_PROTO_H
|
|
#include "os-proto.h"
|
|
#endif
|
|
|
|
#include "pcap-int.h"
|
|
|
|
static char nosup[] = "live packet capture not supported on this system";
|
|
|
|
int
|
|
pcap_stats(pcap_t *p, struct pcap_stat *ps)
|
|
{
|
|
(void)snprintf(p->errbuf, sizeof(p->errbuf), "pcap_stats: %s", nosup);
|
|
return (-1);
|
|
}
|
|
|
|
int
|
|
pcap_read(pcap_t *p, int cnt, pcap_handler callback, u_char *user)
|
|
{
|
|
(void)snprintf(p->errbuf, sizeof(p->errbuf), "pcap_read: %s", nosup);
|
|
return (-1);
|
|
}
|
|
|
|
pcap_t *
|
|
pcap_open_live(char *device, int snaplen, int promisc, int to_ms, char *ebuf)
|
|
{
|
|
(void)strlcpy(ebuf, nosup, PCAP_ERRBUF_SIZE);
|
|
return (NULL);
|
|
}
|
|
|
|
int
|
|
pcap_setfilter(pcap_t *p, struct bpf_program *fp)
|
|
{
|
|
if (p->sf.rfile == NULL) {
|
|
(void)snprintf(p->errbuf, sizeof(p->errbuf),
|
|
"pcap_setfilter: %s", nosup);
|
|
return (-1);
|
|
}
|
|
if (install_bpf_program(p, fp) < 0)
|
|
return (-1);
|
|
return (0);
|
|
}
|