auto import from //depot/cupcake/@135843android-sdk-1.5_r3android-sdk-1.5_r1android-sdk-1.5-preandroid-1.5r4android-1.5r3android-1.5r2android-1.5cupcake-releasecupcake

1 files changed, 386 insertions, 0 deletions

diff --git a/fad-glifc.c b/fad-glifc.c
new file mode 100644
index 00000000..8a86a3d2
--- /dev/null
+++ b/fad-glifc.c
@@ -0,0 +1,386 @@
+/* -*- Mode: c; tab-width: 8; indent-tabs-mode: 1; c-basic-offset: 8; -*- */
+/*
+ * Copyright (c) 1994, 1995, 1996, 1997, 1998
+ *	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 const char rcsid[] _U_ =
+    "@(#) $Header: /tcpdump/master/libpcap/fad-glifc.c,v 1.5.2.1 2005/04/19 00:54:16 guy Exp $ (LBL)";
+#endif
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <sys/param.h>
+#include <sys/file.h>
+#include <sys/ioctl.h>
+#include <sys/socket.h>
+#ifdef HAVE_SYS_SOCKIO_H
+#include <sys/sockio.h>
+#endif
+#include <sys/time.h>				/* concession to AIX */
+
+struct mbuf;		/* Squelch compiler warnings on some platforms for */
+struct rtentry;		/* declarations in <net/if.h> */
+#include <net/if.h>
+#include <netinet/in.h>
+
+#include <ctype.h>
+#include <errno.h>
+#include <memory.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "pcap-int.h"
+
+#ifdef HAVE_OS_PROTO_H
+#include "os-proto.h"
+#endif
+
+/*
+ * Get a list of all interfaces that are up and that we can open.
+ * Returns -1 on error, 0 otherwise.
+ * The list, as returned through "alldevsp", may be null if no interfaces
+ * were up and could be opened.
+ *
+ * This is the implementation used on platforms that have SIOCLGIFCONF
+ * but don't have "getifaddrs()".  (Solaris 8 and later; we use
+ * SIOCLGIFCONF rather than SIOCGIFCONF in order to get IPv6 addresses.)
+ */
+int
+pcap_findalldevs(pcap_if_t **alldevsp, char *errbuf)
+{
+	pcap_if_t *devlist = NULL;
+	register int fd4, fd6, fd;
+	register struct lifreq *ifrp, *ifend;
+	struct lifnum ifn;
+	struct lifconf ifc;
+	char *buf = NULL;
+	unsigned buf_size;
+#ifdef HAVE_SOLARIS
+	char *p, *q;
+#endif
+	struct lifreq ifrflags, ifrnetmask, ifrbroadaddr, ifrdstaddr;
+	struct sockaddr *netmask, *broadaddr, *dstaddr;
+	int ret = 0;
+
+	/*
+	 * Create a socket from which to fetch the list of interfaces,
+	 * and from which to fetch IPv4 information.
+	 */
+	fd4 = socket(AF_INET, SOCK_DGRAM, 0);
+	if (fd4 < 0) {
+		(void)snprintf(errbuf, PCAP_ERRBUF_SIZE,
+		    "socket: %s", pcap_strerror(errno));
+		return (-1);
+	}
+
+	/*
+	 * Create a socket from which to fetch IPv6 information.
+	 */
+	fd6 = socket(AF_INET6, SOCK_DGRAM, 0);
+	if (fd6 < 0) {
+		(void)snprintf(errbuf, PCAP_ERRBUF_SIZE,
+		    "socket: %s", pcap_strerror(errno));
+		(void)close(fd4);
+		return (-1);
+	}
+
+	/*
+	 * How many entries will SIOCGLIFCONF return?
+	 */
+	ifn.lifn_family = AF_UNSPEC;
+	ifn.lifn_flags = 0;
+	ifn.lifn_count = 0;
+	if (ioctl(fd4, SIOCGLIFNUM, (char *)&ifn) < 0) {
+		(void)snprintf(errbuf, PCAP_ERRBUF_SIZE,
+		    "SIOCGLIFNUM: %s", pcap_strerror(errno));
+		(void)close(fd6);
+		(void)close(fd4);
+		return (-1);
+	}
+
+	/*
+	 * Allocate a buffer for those entries.
+	 */
+	buf_size = ifn.lifn_count * sizeof (struct lifreq);
+	buf = malloc(buf_size);
+	if (buf == NULL) {
+		(void)snprintf(errbuf, PCAP_ERRBUF_SIZE,
+		    "malloc: %s", pcap_strerror(errno));
+		(void)close(fd6);
+		(void)close(fd4);
+		return (-1);
+	}
+
+	/*
+	 * Get the entries.
+	 */
+	ifc.lifc_len = buf_size;
+	ifc.lifc_buf = buf;
+	ifc.lifc_family = AF_UNSPEC;
+	ifc.lifc_flags = 0;
+	memset(buf, 0, buf_size);
+	if (ioctl(fd4, SIOCGLIFCONF, (char *)&ifc) < 0) {
+		(void)snprintf(errbuf, PCAP_ERRBUF_SIZE,
+		    "SIOCGLIFCONF: %s", pcap_strerror(errno));
+		(void)close(fd6);
+		(void)close(fd4);
+		free(buf);
+		return (-1);
+	}
+
+	/*
+	 * Loop over the entries.
+	 */
+	ifrp = (struct lifreq *)buf;
+	ifend = (struct lifreq *)(buf + ifc.lifc_len);
+
+	for (; ifrp < ifend; ifrp++) {
+		/*
+		 * IPv6 or not?
+		 */
+		if (((struct sockaddr *)&ifrp->lifr_addr)->sa_family == AF_INET6)
+			fd = fd6;
+		else
+			fd = fd4;
+
+		/*
+		 * Skip entries that begin with "dummy".
+		 * XXX - what are these?  Is this Linux-specific?
+		 * Are there platforms on which we shouldn't do this?
+		 */
+		if (strncmp(ifrp->lifr_name, "dummy", 5) == 0)
+			continue;
+
+#ifdef HAVE_SOLARIS
+		/*
+		 * Skip entries that have a ":" followed by a number
+		 * at the end - those are Solaris virtual interfaces
+		 * on which you can't capture.
+		 */
+		p = strchr(ifrp->lifr_name, ':');
+		if (p != NULL) {
+			/*
+			 * We have a ":"; is it followed by a number?
+			 */
+			while (isdigit((unsigned char)*p))
+				p++;
+			if (*p == '\0') {
+				/*
+				 * All digits after the ":" until the end.
+				 */
+				continue;
+			}
+		}
+#endif
+
+		/*
+		 * Get the flags for this interface, and skip it if it's
+		 * not up.
+		 */
+		strncpy(ifrflags.lifr_name, ifrp->lifr_name,
+		    sizeof(ifrflags.lifr_name));
+		if (ioctl(fd, SIOCGLIFFLAGS, (char *)&ifrflags) < 0) {
+			if (errno == ENXIO)
+				continue;
+			(void)snprintf(errbuf, PCAP_ERRBUF_SIZE,
+			    "SIOCGLIFFLAGS: %.*s: %s",
+			    (int)sizeof(ifrflags.lifr_name),
+			    ifrflags.lifr_name,
+			    pcap_strerror(errno));
+			ret = -1;
+			break;
+		}
+		if (!(ifrflags.lifr_flags & IFF_UP))
+			continue;
+
+		/*
+		 * Get the netmask for this address on this interface.
+		 */
+		strncpy(ifrnetmask.lifr_name, ifrp->lifr_name,
+		    sizeof(ifrnetmask.lifr_name));
+		memcpy(&ifrnetmask.lifr_addr, &ifrp->lifr_addr,
+		    sizeof(ifrnetmask.lifr_addr));
+		if (ioctl(fd, SIOCGLIFNETMASK, (char *)&ifrnetmask) < 0) {
+			if (errno == EADDRNOTAVAIL) {
+				/*
+				 * Not available.
+				 */
+				netmask = NULL;
+			} else {
+				(void)snprintf(errbuf, PCAP_ERRBUF_SIZE,
+				    "SIOCGLIFNETMASK: %.*s: %s",
+				    (int)sizeof(ifrnetmask.lifr_name),
+				    ifrnetmask.lifr_name,
+				    pcap_strerror(errno));
+				ret = -1;
+				break;
+			}
+		} else
+			netmask = (struct sockaddr *)&ifrnetmask.lifr_addr;
+
+		/*
+		 * Get the broadcast address for this address on this
+		 * interface (if any).
+		 */
+		if (ifrflags.lifr_flags & IFF_BROADCAST) {
+			strncpy(ifrbroadaddr.lifr_name, ifrp->lifr_name,
+			    sizeof(ifrbroadaddr.lifr_name));
+			memcpy(&ifrbroadaddr.lifr_addr, &ifrp->lifr_addr,
+			    sizeof(ifrbroadaddr.lifr_addr));
+			if (ioctl(fd, SIOCGLIFBRDADDR,
+			    (char *)&ifrbroadaddr) < 0) {
+				if (errno == EADDRNOTAVAIL) {
+					/*
+					 * Not available.
+					 */
+					broadaddr = NULL;
+				} else {
+					(void)snprintf(errbuf, PCAP_ERRBUF_SIZE,
+					    "SIOCGLIFBRDADDR: %.*s: %s",
+					    (int)sizeof(ifrbroadaddr.lifr_name),
+					    ifrbroadaddr.lifr_name,
+					    pcap_strerror(errno));
+					ret = -1;
+					break;
+				}
+			} else
+				broadaddr = (struct sockaddr *)&ifrbroadaddr.lifr_broadaddr;
+		} else {
+			/*
+			 * Not a broadcast interface, so no broadcast
+			 * address.
+			 */
+			broadaddr = NULL;
+		}
+
+		/*
+		 * Get the destination address for this address on this
+		 * interface (if any).
+		 */
+		if (ifrflags.lifr_flags & IFF_POINTOPOINT) {
+			strncpy(ifrdstaddr.lifr_name, ifrp->lifr_name,
+			    sizeof(ifrdstaddr.lifr_name));
+			memcpy(&ifrdstaddr.lifr_addr, &ifrp->lifr_addr,
+			    sizeof(ifrdstaddr.lifr_addr));
+			if (ioctl(fd, SIOCGLIFDSTADDR,
+			    (char *)&ifrdstaddr) < 0) {
+				if (errno == EADDRNOTAVAIL) {
+					/*
+					 * Not available.
+					 */
+					dstaddr = NULL;
+				} else {
+					(void)snprintf(errbuf, PCAP_ERRBUF_SIZE,
+					    "SIOCGLIFDSTADDR: %.*s: %s",
+					    (int)sizeof(ifrdstaddr.lifr_name),
+					    ifrdstaddr.lifr_name,
+					    pcap_strerror(errno));
+					ret = -1;
+					break;
+				}
+			} else
+				dstaddr = (struct sockaddr *)&ifrdstaddr.lifr_dstaddr;
+		} else
+			dstaddr = NULL;
+
+#ifdef HAVE_SOLARIS
+		/*
+		 * If this entry has a colon followed by a number at
+		 * the end, it's a logical interface.  Those are just
+		 * the way you assign multiple IP addresses to a real
+		 * interface, so an entry for a logical interface should
+		 * be treated like the entry for the real interface;
+		 * we do that by stripping off the ":" and the number.
+		 */
+		p = strchr(ifrp->lifr_name, ':');
+		if (p != NULL) {
+			/*
+			 * We have a ":"; is it followed by a number?
+			 */
+			q = p + 1;
+			while (isdigit((unsigned char)*q))
+				q++;
+			if (*q == '\0') {
+				/*
+				 * All digits after the ":" until the end.
+				 * Strip off the ":" and everything after
+				 * it.
+				 */
+				*p = '\0';
+			}
+		}
+#endif
+
+		/*
+		 * Add information for this address to the list.
+		 */
+		if (add_addr_to_iflist(&devlist, ifrp->lifr_name,
+		    ifrflags.lifr_flags, (struct sockaddr *)&ifrp->lifr_addr,
+		    sizeof (struct sockaddr_storage),
+		    netmask, sizeof (struct sockaddr_storage),
+		    broadaddr, sizeof (struct sockaddr_storage),
+		    dstaddr, sizeof (struct sockaddr_storage), errbuf) < 0) {
+			ret = -1;
+			break;
+		}
+	}
+	free(buf);
+	(void)close(fd6);
+	(void)close(fd4);
+
+	if (ret != -1) {
+		/*
+		 * We haven't had any errors yet; do any platform-specific
+		 * operations to add devices.
+		 */
+		if (pcap_platform_finddevs(&devlist, errbuf) < 0)
+			ret = -1;
+	}
+
+	if (ret == -1) {
+		/*
+		 * We had an error; free the list we've been constructing.
+		 */
+		if (devlist != NULL) {
+			pcap_freealldevs(devlist);
+			devlist = NULL;
+		}
+	}
+
+	*alldevsp = devlist;
+	return (ret);
+}