Grab libpcap sources out of contrib_libpcap module

1 files changed, 0 insertions, 196 deletions

diff --git a/lib/libpcap/inet.c b/lib/libpcap/inet.c
deleted file mode 100644
index 3092011..0000000
--- a/lib/libpcap/inet.c
+++ /dev/null
@@ -1,196 +0,0 @@
-/*
- * Copyright (c) 1994
- *	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 the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *	This product includes software developed by the Computer Systems
- *	Engineering Group at Lawrence Berkeley Laboratory.
- * 4. Neither the name of the University nor of the Laboratory may be used
- *    to endorse or promote products derived from this software without
- *    specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#ifndef lint
-static char rcsid[] =
-    "@(#) $Header: /home/ncvs/src/lib/libpcap/inet.c,v 1.1.1.1 1995/01/20 04:13:03 jkh Exp $ (LBL)";
-#endif
-
-#include <sys/param.h>
-#include <sys/file.h>
-#include <sys/ioctl.h>
-#include <sys/socket.h>
-#ifdef SOLARIS
-#include <sys/sockio.h>
-#endif
-
-#include <net/if.h>
-#include <netinet/in.h>
-
-#include <ctype.h>
-#include <errno.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <pcap.h>
-
-/* Not all systems have IFF_LOOPBACK */
-#ifdef IFF_LOOPBACK
-#define ISLOOPBACK(p) ((p)->ifr_flags & IFF_LOOPBACK)
-#else
-#define ISLOOPBACK(p) (strcmp((p)->ifr_name, "lo0") == 0)
-#endif
-
-/*
- * Return the name of a network interface attached to the system, or NULL
- * if none can be found.  The interface must be configured up; the
- * lowest unit number is preferred; loopback is ignored.
- */
-char *
-pcap_lookupdev(errbuf)
-	register char *errbuf;
-{
-	register int fd, minunit, n;
-	register char *cp;
-	register struct ifreq *ifrp, *ifend, *ifnext, *mp;
-	struct ifconf ifc;
-	struct ifreq ibuf[16], ifr;
-	static char device[sizeof(ifrp->ifr_name) + 1];
-
-	fd = socket(AF_INET, SOCK_DGRAM, 0);
-	if (fd < 0) {
-		(void)sprintf(errbuf, "socket: %s", pcap_strerror(errno));
-		return (NULL);
-	}
-	ifc.ifc_len = sizeof ibuf;
-	ifc.ifc_buf = (caddr_t)ibuf;
-
-	if (ioctl(fd, SIOCGIFCONF, (char *)&ifc) < 0 ||
-	    ifc.ifc_len < sizeof(struct ifreq)) {
-		(void)sprintf(errbuf, "SIOCGIFCONF: %s", pcap_strerror(errno));
-		(void)close(fd);
-		return (NULL);
-	}
-	ifrp = ibuf;
-	ifend = (struct ifreq *)((char *)ibuf + ifc.ifc_len);
-
-	mp = NULL;
-	minunit = 666;
-	for (; ifrp < ifend; ifrp = ifnext) {
-#if BSD - 0 >= 199006
-		n = ifrp->ifr_addr.sa_len + sizeof(ifrp->ifr_name);
-		if (n < sizeof(*ifrp))
-			ifnext = ifrp + 1;
-		else
-			ifnext = (struct ifreq *)((char *)ifrp + n);
-		if (ifrp->ifr_addr.sa_family != AF_INET)
-			continue;
-#else
-		ifnext = ifrp + 1;
-#endif
-		/*
-		 * Need a template to preserve address info that is
-		 * used below to locate the next entry.  (Otherwise,
-		 * SIOCGIFFLAGS stomps over it because the requests
-		 * are returned in a union.)
-		 */
-		strncpy(ifr.ifr_name, ifrp->ifr_name, sizeof(ifr.ifr_name));
-		if (ioctl(fd, SIOCGIFFLAGS, (char *)&ifr) < 0) {
-			(void)sprintf(errbuf, "SIOCGIFFLAGS: %s",
-			    pcap_strerror(errno));
-			(void)close(fd);
-			return (NULL);
-		}
-
-		/* Must be up and not the loopback */
-		if ((ifr.ifr_flags & IFF_UP) == 0 || ISLOOPBACK(&ifr))
-			continue;
-
-		for (cp = ifrp->ifr_name; !isdigit(*cp); ++cp)
-			continue;
-		n = atoi(cp);
-		if (n < minunit) {
-			minunit = n;
-			mp = ifrp;
-		}
-	}
-	(void)close(fd);
-	if (mp == NULL) {
-		(void)strcpy(errbuf, "no suitable device found");
-		return (NULL);
-	}
-
-	(void)strncpy(device, mp->ifr_name, sizeof(device) - 1);
-	device[sizeof(device) - 1] = '\0';
-	return (device);
-}
-
-int
-pcap_lookupnet(device, netp, maskp, errbuf)
-	register char *device;
-	register u_long *netp, *maskp;
-	register char *errbuf;
-{
-	register int fd;
-	register struct sockaddr_in *sin;
-	struct ifreq ifr;
-
-	fd = socket(AF_INET, SOCK_DGRAM, 0);
-	if (fd < 0) {
-		(void)sprintf(errbuf, "socket: %s", pcap_strerror(errno));
-		return (-1);
-	}
-	(void)strncpy(ifr.ifr_name, device, sizeof(ifr.ifr_name));
-	if (ioctl(fd, SIOCGIFADDR, (char *)&ifr) < 0) {
-		(void)sprintf(errbuf, "SIOCGIFADDR: %s: %s",
-		    device, pcap_strerror(errno));
-		(void)close(fd);
-		return (-1);
-	}
-	sin = (struct sockaddr_in *)&ifr.ifr_addr;
-	*netp = sin->sin_addr.s_addr;
-	if (ioctl(fd, SIOCGIFNETMASK, (char *)&ifr) < 0) {
-		(void)sprintf(errbuf, "SIOCGIFNETMASK: %s: %s",
-		    device, pcap_strerror(errno));
-		(void)close(fd);
-		return (-1);
-	}
-	(void)close(fd);
-	*maskp = sin->sin_addr.s_addr;
-	if (*maskp == 0) {
-		if (IN_CLASSA(*netp))
-			*maskp = IN_CLASSA_NET;
-		else if (IN_CLASSB(*netp))
-			*maskp = IN_CLASSB_NET;
-		else if (IN_CLASSC(*netp))
-			*maskp = IN_CLASSC_NET;
-		else {
-			(void)sprintf(errbuf, "inet class for 0x%lx unknown",
-			    *netp);
-			return (-1);
-		}
-	}
-	*netp &= *maskp;
-	return (0);
-}