diff options
Diffstat (limited to 'target/linux/etrax-2.6/image/e100boot/src/libpcap-0.4/inet.c')
| -rw-r--r-- | target/linux/etrax-2.6/image/e100boot/src/libpcap-0.4/inet.c | 219 |
1 files changed, 0 insertions, 219 deletions
diff --git a/target/linux/etrax-2.6/image/e100boot/src/libpcap-0.4/inet.c b/target/linux/etrax-2.6/image/e100boot/src/libpcap-0.4/inet.c deleted file mode 100644 index ddb3a15df9..0000000000 --- a/target/linux/etrax-2.6/image/e100boot/src/libpcap-0.4/inet.c +++ /dev/null @@ -1,219 +0,0 @@ -/* - * 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[] = - "@(#) $Header: /usr/local/cvs/linux/tools/build/e100boot/libpcap-0.4/inet.c,v 1.1 1999/08/26 10:05:22 johana Exp $ (LBL)"; -#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 */ - -#if __STDC__ -struct mbuf; -struct rtentry; -#endif - -#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" - -#include "gnuc.h" -#ifdef HAVE_OS_PROTO_H -#include "os-proto.h" -#endif - -/* Not all systems have IFF_LOOPBACK */ -#ifdef IFF_LOOPBACK -#define ISLOOPBACK(p) ((p)->ifr_flags & IFF_LOOPBACK) -#else -#define ISLOOPBACK(p) ((p)->ifr_name[0] == 'l' && (p)->ifr_name[1] == 'o' && \ - (isdigit((p)->ifr_name[2]) || (p)->ifr_name[2] == '\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; - - memset((char *)ibuf, 0, sizeof(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) { -#ifdef HAVE_SOCKADDR_SA_LEN - 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) { - if (errno == ENXIO) - continue; - (void)sprintf(errbuf, "SIOCGIFFLAGS: %.*s: %s", - (int)sizeof(ifr.ifr_name), ifr.ifr_name, - 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 bpf_u_int32 *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); - } - memset(&ifr, 0, sizeof(ifr)); -#ifdef linux - /* XXX Work around Linux kernel bug */ - ifr.ifr_addr.sa_family = AF_INET; -#endif - (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%x unknown", - *netp); - return (-1); - } - } - *netp &= *maskp; - return (0); -} |