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Diffstat (limited to 'libpcap/pcap-snit.c')
-rw-r--r--libpcap/pcap-snit.c304
1 files changed, 0 insertions, 304 deletions
diff --git a/libpcap/pcap-snit.c b/libpcap/pcap-snit.c
deleted file mode 100644
index 0ddecfb..0000000
--- a/libpcap/pcap-snit.c
+++ /dev/null
@@ -1,304 +0,0 @@
-/*
- * Copyright (c) 1990, 1991, 1992, 1993, 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.
- *
- * Modifications made to accommodate the new SunOS4.0 NIT facility by
- * Micky Liu, micky@cunixc.cc.columbia.edu, Columbia University in May, 1989.
- * This module now handles the STREAMS based NIT.
- */
-
-#ifndef lint
-static const char rcsid[] =
- "@(#) $Header: /cvsroot/ipacct/ipacct/libpcap/Attic/pcap-snit.c,v 1.1 2001/05/31 13:40:53 gray Exp $ (LBL)";
-#endif
-
-#if defined(HAVE_CONFIG_H)
-# include <config.h>
-#endif
-
-#include <sys/types.h>
-#include <sys/time.h>
-#include <sys/timeb.h>
-#include <sys/dir.h>
-#include <sys/fcntlcom.h>
-#include <sys/file.h>
-#include <sys/ioctl.h>
-#include <sys/socket.h>
-#include <sys/stropts.h>
-
-#include <net/if.h>
-#include <net/nit.h>
-#include <net/nit_if.h>
-#include <net/nit_pf.h>
-#include <net/nit_buf.h>
-
-#include <netinet/in.h>
-#include <netinet/in_systm.h>
-#include <netinet/ip.h>
-#include <netinet/if_ether.h>
-#include <netinet/ip_var.h>
-#include <netinet/udp.h>
-#include <netinet/udp_var.h>
-#include <netinet/tcp.h>
-#include <netinet/tcpip.h>
-
-#include <ctype.h>
-#include <errno.h>
-#ifdef HAVE_MALLOC_H
-#include <malloc.h>
-#endif
-#include <stdio.h>
-#include <string.h>
-#include <unistd.h>
-
-#include <pcap-int.h>
-
-#include <gnuc.h>
-#ifdef HAVE_OS_PROTO_H
-#include <os-proto.h>
-#endif
-
-/*
- * The chunk size for NIT. This is the amount of buffering
- * done for read calls.
- */
-#define CHUNKSIZE (2*1024)
-
-/*
- * The total buffer space used by NIT.
- */
-#define BUFSPACE (4*CHUNKSIZE)
-
-/* Forwards */
-static int nit_setflags(int, int, int, char *);
-
-int
-pcap_stats(pcap_t *p, struct pcap_stat *ps)
-{
-
- *ps = p->md.stat;
- return (0);
-}
-
-int
-pcap_read(pcap_t *p, int cnt, pcap_handler callback, u_char *user)
-{
- register int cc, n;
- register struct bpf_insn *fcode = p->fcode.bf_insns;
- register u_char *bp, *cp, *ep;
- register struct nit_bufhdr *hdrp;
- register struct nit_iftime *ntp;
- register struct nit_iflen *nlp;
- register struct nit_ifdrops *ndp;
- register int caplen;
-
- cc = p->cc;
- if (cc == 0) {
- cc = read(p->fd, (char *)p->buffer, p->bufsize);
- if (cc < 0) {
- if (errno == EWOULDBLOCK)
- return (0);
- sprintf(p->errbuf, "pcap_read: %s",
- pcap_strerror(errno));
- return (-1);
- }
- bp = p->buffer;
- } else
- bp = p->bp;
-
- /*
- * loop through each snapshot in the chunk
- */
- n = 0;
- ep = bp + cc;
- while (bp < ep) {
- ++p->md.stat.ps_recv;
- cp = bp;
-
- /* get past NIT buffer */
- hdrp = (struct nit_bufhdr *)cp;
- cp += sizeof(*hdrp);
-
- /* get past NIT timer */
- ntp = (struct nit_iftime *)cp;
- cp += sizeof(*ntp);
-
- ndp = (struct nit_ifdrops *)cp;
- p->md.stat.ps_drop = ndp->nh_drops;
- cp += sizeof *ndp;
-
- /* get past packet len */
- nlp = (struct nit_iflen *)cp;
- cp += sizeof(*nlp);
-
- /* next snapshot */
- bp += hdrp->nhb_totlen;
-
- caplen = nlp->nh_pktlen;
- if (caplen > p->snapshot)
- caplen = p->snapshot;
-
- if (bpf_filter(fcode, cp, nlp->nh_pktlen, caplen)) {
- struct pcap_pkthdr h;
- h.ts = ntp->nh_timestamp;
- h.len = nlp->nh_pktlen;
- h.caplen = caplen;
- (*callback)(user, &h, cp);
- if (++n >= cnt && cnt >= 0) {
- p->cc = ep - bp;
- p->bp = bp;
- return (n);
- }
- }
- }
- p->cc = 0;
- return (n);
-}
-
-static int
-nit_setflags(int fd, int promisc, int to_ms, char *ebuf)
-{
- bpf_u_int32 flags;
- struct strioctl si;
- struct timeval timeout;
-
- si.ic_timout = INFTIM;
- if (to_ms != 0) {
- timeout.tv_sec = to_ms / 1000;
- timeout.tv_usec = (to_ms * 1000) % 1000000;
- si.ic_cmd = NIOCSTIME;
- si.ic_len = sizeof(timeout);
- si.ic_dp = (char *)&timeout;
- if (ioctl(fd, I_STR, (char *)&si) < 0) {
- sprintf(ebuf, "NIOCSTIME: %s", pcap_strerror(errno));
- return (-1);
- }
- }
- flags = NI_TIMESTAMP | NI_LEN | NI_DROPS;
- if (promisc)
- flags |= NI_PROMISC;
- si.ic_cmd = NIOCSFLAGS;
- si.ic_len = sizeof(flags);
- si.ic_dp = (char *)&flags;
- if (ioctl(fd, I_STR, (char *)&si) < 0) {
- sprintf(ebuf, "NIOCSFLAGS: %s", pcap_strerror(errno));
- return (-1);
- }
- return (0);
-}
-
-pcap_t *
-pcap_open_live(char *device, int snaplen, int promisc, int to_ms, char *ebuf)
-{
- struct strioctl si; /* struct for ioctl() */
- struct ifreq ifr; /* interface request struct */
- int chunksize = CHUNKSIZE;
- int fd;
- static char dev[] = "/dev/nit";
- register pcap_t *p;
-
- p = (pcap_t *)malloc(sizeof(*p));
- if (p == NULL) {
- strcpy(ebuf, pcap_strerror(errno));
- return (NULL);
- }
-
- if (snaplen < 96)
- /*
- * NIT requires a snapshot length of at least 96.
- */
- snaplen = 96;
-
- bzero(p, sizeof(*p));
- p->fd = fd = open(dev, O_RDONLY);
- if (fd < 0) {
- sprintf(ebuf, "%s: %s", dev, pcap_strerror(errno));
- goto bad;
- }
-
- /* arrange to get discrete messages from the STREAM and use NIT_BUF */
- if (ioctl(fd, I_SRDOPT, (char *)RMSGD) < 0) {
- sprintf(ebuf, "I_SRDOPT: %s", pcap_strerror(errno));
- goto bad;
- }
- if (ioctl(fd, I_PUSH, "nbuf") < 0) {
- sprintf(ebuf, "push nbuf: %s", pcap_strerror(errno));
- goto bad;
- }
- /* set the chunksize */
- si.ic_cmd = NIOCSCHUNK;
- si.ic_timout = INFTIM;
- si.ic_len = sizeof(chunksize);
- si.ic_dp = (char *)&chunksize;
- if (ioctl(fd, I_STR, (char *)&si) < 0) {
- sprintf(ebuf, "NIOCSCHUNK: %s", pcap_strerror(errno));
- goto bad;
- }
-
- /* request the interface */
- strncpy(ifr.ifr_name, device, sizeof(ifr.ifr_name));
- ifr.ifr_name[sizeof(ifr.ifr_name) - 1] = ' ';
- si.ic_cmd = NIOCBIND;
- si.ic_len = sizeof(ifr);
- si.ic_dp = (char *)&ifr;
- if (ioctl(fd, I_STR, (char *)&si) < 0) {
- sprintf(ebuf, "NIOCBIND: %s: %s",
- ifr.ifr_name, pcap_strerror(errno));
- goto bad;
- }
-
- /* set the snapshot length */
- si.ic_cmd = NIOCSSNAP;
- si.ic_len = sizeof(snaplen);
- si.ic_dp = (char *)&snaplen;
- if (ioctl(fd, I_STR, (char *)&si) < 0) {
- sprintf(ebuf, "NIOCSSNAP: %s", pcap_strerror(errno));
- goto bad;
- }
- p->snapshot = snaplen;
- if (nit_setflags(p->fd, promisc, to_ms, ebuf) < 0)
- goto bad;
-
- (void)ioctl(fd, I_FLUSH, (char *)FLUSHR);
- /*
- * NIT supports only ethernets.
- */
- p->linktype = DLT_EN10MB;
-
- p->bufsize = BUFSPACE;
- p->buffer = (u_char *)malloc(p->bufsize);
- if (p->buffer == NULL) {
- strcpy(ebuf, pcap_strerror(errno));
- goto bad;
- }
- return (p);
- bad:
- if (fd >= 0)
- close(fd);
- free(p);
- return (NULL);
-}
-
-int
-pcap_setfilter(pcap_t *p, struct bpf_program *fp)
-{
-
- p->fcode = *fp;
- return (0);
-}

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