1478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project/* -*- Mode: c; tab-width: 8; indent-tabs-mode: 1; c-basic-offset: 8; -*- */ 2478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project/* 3478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * Copyright (c) 1994, 1995, 1996, 1997, 1998 4478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * The Regents of the University of California. All rights reserved. 5478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * 6478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * Redistribution and use in source and binary forms, with or without 7478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * modification, are permitted provided that the following conditions 8478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * are met: 9478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * 1. Redistributions of source code must retain the above copyright 10478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * notice, this list of conditions and the following disclaimer. 11478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * 2. Redistributions in binary form must reproduce the above copyright 12478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * notice, this list of conditions and the following disclaimer in the 13478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * documentation and/or other materials provided with the distribution. 14478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * 3. All advertising materials mentioning features or use of this software 15478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * must display the following acknowledgement: 16478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * This product includes software developed by the Computer Systems 17478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * Engineering Group at Lawrence Berkeley Laboratory. 18478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * 4. Neither the name of the University nor of the Laboratory may be used 19478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * to endorse or promote products derived from this software without 20478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * specific prior written permission. 21478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * 22478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * SUCH DAMAGE. 33478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project */ 34478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project 35478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project#ifndef lint 36478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Projectstatic const char rcsid[] _U_ = 37511eca30a483e912c274e1d8ba3a0f8f081e2227JP Abgrall "@(#) $Header: /tcpdump/master/libpcap/fad-glifc.c,v 1.7 2008-01-30 09:35:48 guy Exp $ (LBL)"; 38478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project#endif 39478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project 40478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project#ifdef HAVE_CONFIG_H 41478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project#include "config.h" 42478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project#endif 43478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project 44478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project#include <sys/param.h> 45478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project#include <sys/file.h> 46478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project#include <sys/ioctl.h> 47478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project#include <sys/socket.h> 48478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project#ifdef HAVE_SYS_SOCKIO_H 49478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project#include <sys/sockio.h> 50478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project#endif 51478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project#include <sys/time.h> /* concession to AIX */ 52478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project 53478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Projectstruct mbuf; /* Squelch compiler warnings on some platforms for */ 54478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Projectstruct rtentry; /* declarations in <net/if.h> */ 55478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project#include <net/if.h> 56478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project#include <netinet/in.h> 57478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project 58478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project#include <ctype.h> 59478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project#include <errno.h> 60478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project#include <memory.h> 61478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project#include <stdio.h> 62478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project#include <stdlib.h> 63478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project#include <string.h> 64478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project#include <unistd.h> 65478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project 66478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project#include "pcap-int.h" 67478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project 68478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project#ifdef HAVE_OS_PROTO_H 69478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project#include "os-proto.h" 70478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project#endif 71478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project 72478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project/* 73478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * Get a list of all interfaces that are up and that we can open. 74478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * Returns -1 on error, 0 otherwise. 75478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * The list, as returned through "alldevsp", may be null if no interfaces 76478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * were up and could be opened. 77478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * 78511eca30a483e912c274e1d8ba3a0f8f081e2227JP Abgrall * This is the implementation used on platforms that have SIOCGLIFCONF 79478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * but don't have "getifaddrs()". (Solaris 8 and later; we use 80511eca30a483e912c274e1d8ba3a0f8f081e2227JP Abgrall * SIOCGLIFCONF rather than SIOCGIFCONF in order to get IPv6 addresses.) 81478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project */ 82478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Projectint 83511eca30a483e912c274e1d8ba3a0f8f081e2227JP Abgrallpcap_findalldevs_interfaces(pcap_if_t **alldevsp, char *errbuf) 84478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project{ 85478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project pcap_if_t *devlist = NULL; 86478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project register int fd4, fd6, fd; 87478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project register struct lifreq *ifrp, *ifend; 88478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project struct lifnum ifn; 89478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project struct lifconf ifc; 90478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project char *buf = NULL; 91478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project unsigned buf_size; 92478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project#ifdef HAVE_SOLARIS 93478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project char *p, *q; 94478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project#endif 95478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project struct lifreq ifrflags, ifrnetmask, ifrbroadaddr, ifrdstaddr; 96478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project struct sockaddr *netmask, *broadaddr, *dstaddr; 97478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project int ret = 0; 98478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project 99478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project /* 100478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * Create a socket from which to fetch the list of interfaces, 101478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * and from which to fetch IPv4 information. 102478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project */ 103478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project fd4 = socket(AF_INET, SOCK_DGRAM, 0); 104478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project if (fd4 < 0) { 105478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project (void)snprintf(errbuf, PCAP_ERRBUF_SIZE, 106478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project "socket: %s", pcap_strerror(errno)); 107478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project return (-1); 108478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project } 109478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project 110478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project /* 111478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * Create a socket from which to fetch IPv6 information. 112478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project */ 113478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project fd6 = socket(AF_INET6, SOCK_DGRAM, 0); 114478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project if (fd6 < 0) { 115478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project (void)snprintf(errbuf, PCAP_ERRBUF_SIZE, 116478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project "socket: %s", pcap_strerror(errno)); 117478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project (void)close(fd4); 118478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project return (-1); 119478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project } 120478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project 121478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project /* 122478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * How many entries will SIOCGLIFCONF return? 123478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project */ 124478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project ifn.lifn_family = AF_UNSPEC; 125478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project ifn.lifn_flags = 0; 126478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project ifn.lifn_count = 0; 127478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project if (ioctl(fd4, SIOCGLIFNUM, (char *)&ifn) < 0) { 128478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project (void)snprintf(errbuf, PCAP_ERRBUF_SIZE, 129478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project "SIOCGLIFNUM: %s", pcap_strerror(errno)); 130478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project (void)close(fd6); 131478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project (void)close(fd4); 132478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project return (-1); 133478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project } 134478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project 135478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project /* 136478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * Allocate a buffer for those entries. 137478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project */ 138478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project buf_size = ifn.lifn_count * sizeof (struct lifreq); 139478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project buf = malloc(buf_size); 140478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project if (buf == NULL) { 141478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project (void)snprintf(errbuf, PCAP_ERRBUF_SIZE, 142478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project "malloc: %s", pcap_strerror(errno)); 143478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project (void)close(fd6); 144478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project (void)close(fd4); 145478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project return (-1); 146478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project } 147478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project 148478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project /* 149478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * Get the entries. 150478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project */ 151478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project ifc.lifc_len = buf_size; 152478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project ifc.lifc_buf = buf; 153478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project ifc.lifc_family = AF_UNSPEC; 154478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project ifc.lifc_flags = 0; 155478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project memset(buf, 0, buf_size); 156478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project if (ioctl(fd4, SIOCGLIFCONF, (char *)&ifc) < 0) { 157478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project (void)snprintf(errbuf, PCAP_ERRBUF_SIZE, 158478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project "SIOCGLIFCONF: %s", pcap_strerror(errno)); 159478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project (void)close(fd6); 160478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project (void)close(fd4); 161478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project free(buf); 162478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project return (-1); 163478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project } 164478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project 165478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project /* 166478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * Loop over the entries. 167478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project */ 168478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project ifrp = (struct lifreq *)buf; 169478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project ifend = (struct lifreq *)(buf + ifc.lifc_len); 170478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project 171478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project for (; ifrp < ifend; ifrp++) { 172478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project /* 173478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * IPv6 or not? 174478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project */ 175478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project if (((struct sockaddr *)&ifrp->lifr_addr)->sa_family == AF_INET6) 176478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project fd = fd6; 177478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project else 178478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project fd = fd4; 179478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project 180478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project /* 181478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * Skip entries that begin with "dummy". 182478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * XXX - what are these? Is this Linux-specific? 183478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * Are there platforms on which we shouldn't do this? 184478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project */ 185478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project if (strncmp(ifrp->lifr_name, "dummy", 5) == 0) 186478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project continue; 187478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project 188478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project#ifdef HAVE_SOLARIS 189478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project /* 190478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * Skip entries that have a ":" followed by a number 191478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * at the end - those are Solaris virtual interfaces 192478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * on which you can't capture. 193478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project */ 194478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project p = strchr(ifrp->lifr_name, ':'); 195478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project if (p != NULL) { 196478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project /* 197478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * We have a ":"; is it followed by a number? 198478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project */ 199478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project while (isdigit((unsigned char)*p)) 200478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project p++; 201478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project if (*p == '\0') { 202478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project /* 203478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * All digits after the ":" until the end. 204478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project */ 205478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project continue; 206478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project } 207478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project } 208478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project#endif 209478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project 210478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project /* 211478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * Get the flags for this interface, and skip it if it's 212478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * not up. 213478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project */ 214478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project strncpy(ifrflags.lifr_name, ifrp->lifr_name, 215478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project sizeof(ifrflags.lifr_name)); 216478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project if (ioctl(fd, SIOCGLIFFLAGS, (char *)&ifrflags) < 0) { 217478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project if (errno == ENXIO) 218478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project continue; 219478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project (void)snprintf(errbuf, PCAP_ERRBUF_SIZE, 220478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project "SIOCGLIFFLAGS: %.*s: %s", 221478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project (int)sizeof(ifrflags.lifr_name), 222478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project ifrflags.lifr_name, 223478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project pcap_strerror(errno)); 224478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project ret = -1; 225478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project break; 226478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project } 227478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project if (!(ifrflags.lifr_flags & IFF_UP)) 228478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project continue; 229478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project 230478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project /* 231478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * Get the netmask for this address on this interface. 232478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project */ 233478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project strncpy(ifrnetmask.lifr_name, ifrp->lifr_name, 234478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project sizeof(ifrnetmask.lifr_name)); 235478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project memcpy(&ifrnetmask.lifr_addr, &ifrp->lifr_addr, 236478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project sizeof(ifrnetmask.lifr_addr)); 237478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project if (ioctl(fd, SIOCGLIFNETMASK, (char *)&ifrnetmask) < 0) { 238478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project if (errno == EADDRNOTAVAIL) { 239478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project /* 240478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * Not available. 241478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project */ 242478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project netmask = NULL; 243478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project } else { 244478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project (void)snprintf(errbuf, PCAP_ERRBUF_SIZE, 245478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project "SIOCGLIFNETMASK: %.*s: %s", 246478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project (int)sizeof(ifrnetmask.lifr_name), 247478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project ifrnetmask.lifr_name, 248478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project pcap_strerror(errno)); 249478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project ret = -1; 250478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project break; 251478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project } 252478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project } else 253478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project netmask = (struct sockaddr *)&ifrnetmask.lifr_addr; 254478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project 255478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project /* 256478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * Get the broadcast address for this address on this 257478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * interface (if any). 258478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project */ 259478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project if (ifrflags.lifr_flags & IFF_BROADCAST) { 260478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project strncpy(ifrbroadaddr.lifr_name, ifrp->lifr_name, 261478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project sizeof(ifrbroadaddr.lifr_name)); 262478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project memcpy(&ifrbroadaddr.lifr_addr, &ifrp->lifr_addr, 263478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project sizeof(ifrbroadaddr.lifr_addr)); 264478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project if (ioctl(fd, SIOCGLIFBRDADDR, 265478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project (char *)&ifrbroadaddr) < 0) { 266478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project if (errno == EADDRNOTAVAIL) { 267478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project /* 268478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * Not available. 269478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project */ 270478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project broadaddr = NULL; 271478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project } else { 272478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project (void)snprintf(errbuf, PCAP_ERRBUF_SIZE, 273478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project "SIOCGLIFBRDADDR: %.*s: %s", 274478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project (int)sizeof(ifrbroadaddr.lifr_name), 275478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project ifrbroadaddr.lifr_name, 276478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project pcap_strerror(errno)); 277478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project ret = -1; 278478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project break; 279478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project } 280478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project } else 281478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project broadaddr = (struct sockaddr *)&ifrbroadaddr.lifr_broadaddr; 282478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project } else { 283478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project /* 284478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * Not a broadcast interface, so no broadcast 285478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * address. 286478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project */ 287478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project broadaddr = NULL; 288478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project } 289478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project 290478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project /* 291478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * Get the destination address for this address on this 292478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * interface (if any). 293478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project */ 294478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project if (ifrflags.lifr_flags & IFF_POINTOPOINT) { 295478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project strncpy(ifrdstaddr.lifr_name, ifrp->lifr_name, 296478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project sizeof(ifrdstaddr.lifr_name)); 297478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project memcpy(&ifrdstaddr.lifr_addr, &ifrp->lifr_addr, 298478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project sizeof(ifrdstaddr.lifr_addr)); 299478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project if (ioctl(fd, SIOCGLIFDSTADDR, 300478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project (char *)&ifrdstaddr) < 0) { 301478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project if (errno == EADDRNOTAVAIL) { 302478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project /* 303478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * Not available. 304478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project */ 305478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project dstaddr = NULL; 306478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project } else { 307478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project (void)snprintf(errbuf, PCAP_ERRBUF_SIZE, 308478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project "SIOCGLIFDSTADDR: %.*s: %s", 309478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project (int)sizeof(ifrdstaddr.lifr_name), 310478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project ifrdstaddr.lifr_name, 311478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project pcap_strerror(errno)); 312478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project ret = -1; 313478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project break; 314478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project } 315478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project } else 316478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project dstaddr = (struct sockaddr *)&ifrdstaddr.lifr_dstaddr; 317478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project } else 318478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project dstaddr = NULL; 319478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project 320478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project#ifdef HAVE_SOLARIS 321478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project /* 322478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * If this entry has a colon followed by a number at 323478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * the end, it's a logical interface. Those are just 324478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * the way you assign multiple IP addresses to a real 325478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * interface, so an entry for a logical interface should 326478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * be treated like the entry for the real interface; 327478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * we do that by stripping off the ":" and the number. 328478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project */ 329478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project p = strchr(ifrp->lifr_name, ':'); 330478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project if (p != NULL) { 331478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project /* 332478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * We have a ":"; is it followed by a number? 333478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project */ 334478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project q = p + 1; 335478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project while (isdigit((unsigned char)*q)) 336478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project q++; 337478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project if (*q == '\0') { 338478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project /* 339478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * All digits after the ":" until the end. 340478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * Strip off the ":" and everything after 341478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * it. 342478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project */ 343478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project *p = '\0'; 344478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project } 345478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project } 346478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project#endif 347478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project 348478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project /* 349478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * Add information for this address to the list. 350478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project */ 351478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project if (add_addr_to_iflist(&devlist, ifrp->lifr_name, 352478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project ifrflags.lifr_flags, (struct sockaddr *)&ifrp->lifr_addr, 353478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project sizeof (struct sockaddr_storage), 354478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project netmask, sizeof (struct sockaddr_storage), 355478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project broadaddr, sizeof (struct sockaddr_storage), 356478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project dstaddr, sizeof (struct sockaddr_storage), errbuf) < 0) { 357478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project ret = -1; 358478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project break; 359478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project } 360478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project } 361478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project free(buf); 362478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project (void)close(fd6); 363478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project (void)close(fd4); 364478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project 365478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project if (ret == -1) { 366478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project /* 367478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project * We had an error; free the list we've been constructing. 368478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project */ 369478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project if (devlist != NULL) { 370478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project pcap_freealldevs(devlist); 371478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project devlist = NULL; 372478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project } 373478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project } 374478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project 375478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project *alldevsp = devlist; 376478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project return (ret); 377478ab6c8b5bc982589be32eae1e5736efe721b58The Android Open Source Project} 378