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-rw-r--r--cpukit/libnetworking/libc/getifaddrs.c421
1 files changed, 0 insertions, 421 deletions
diff --git a/cpukit/libnetworking/libc/getifaddrs.c b/cpukit/libnetworking/libc/getifaddrs.c
deleted file mode 100644
index 354b3f2e9d..0000000000
--- a/cpukit/libnetworking/libc/getifaddrs.c
+++ /dev/null
@@ -1,421 +0,0 @@
-#include <machine/rtems-bsd-user-space.h>
-
-/* $KAME: getifaddrs.c,v 1.9 2001/08/20 02:31:20 itojun Exp $ */
-
-/*
- * Copyright (c) 1995, 1999
- * Berkeley Software Design, Inc. 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.
- *
- * THIS SOFTWARE IS PROVIDED BY Berkeley Software Design, Inc. ``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 Berkeley Software Design, Inc. 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.
- *
- * BSDI getifaddrs.c,v 2.12 2000/02/23 14:51:59 dab Exp
- */
-/*
- * NOTE: SIOCGIFCONF case is not LP64 friendly. it also does not perform
- * try-and-error for region size.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <sys/cdefs.h>
-
-#include <sys/types.h>
-#include <sys/ioctl.h>
-#include <sys/socket.h>
-#include <net/if.h>
-#ifdef NET_RT_IFLIST
-#include <sys/param.h>
-#include <net/route.h>
-#include <sys/sysctl.h>
-#include <net/if_dl.h>
-#endif
-
-#include <errno.h>
-#include <ifaddrs.h>
-#include <stdlib.h>
-#include <string.h>
-
-#if !defined(AF_LINK)
-#define SA_LEN(sa) sizeof(struct sockaddr)
-#endif
-
-#if !defined(SA_LEN)
-#define SA_LEN(sa) (sa)->sa_len
-#endif
-
-#define SALIGN (sizeof(long) - 1)
-#define SA_RLEN(sa) ((sa)->sa_len ? (((sa)->sa_len + SALIGN) & ~SALIGN) : (SALIGN + 1))
-
-#ifndef ALIGNBYTES
-/*
- * On systems with a routing socket, ALIGNBYTES should match the value
- * that the kernel uses when building the messages.
- */
-#define ALIGNBYTES XXX
-#endif
-#ifndef ALIGN
-#define ALIGN(p) (((u_long)(p) + ALIGNBYTES) &~ ALIGNBYTES)
-#endif
-
-#if _BSDI_VERSION >= 199701
-#define HAVE_IFM_DATA
-#endif
-
-#if _BSDI_VERSION >= 199802
-/* ifam_data is very specific to recent versions of bsdi */
-#define HAVE_IFAM_DATA
-#endif
-
-#if defined(__NetBSD__) || defined(__OpenBSD__) || defined(__FreeBSD__)
-#define HAVE_IFM_DATA
-#endif
-
-#define MAX_SYSCTL_TRY 5
-
-int
-getifaddrs(struct ifaddrs **pif)
-{
- int icnt = 1;
- int dcnt = 0;
- int ncnt = 0;
-#ifdef NET_RT_IFLIST
- int ntry = 0;
- int mib[6];
- size_t needed;
- char *buf;
- char *next;
- struct ifaddrs *cif = 0;
- char *p, *p0;
- struct rt_msghdr *rtm;
- struct if_msghdr *ifm;
- struct ifa_msghdr *ifam;
- struct sockaddr_dl *dl;
- struct sockaddr *sa;
- struct ifaddrs *ifa, *ift;
- u_short idx = 0;
-#else /* NET_RT_IFLIST */
- char buf[1024];
- int m, sock;
- struct ifconf ifc;
- struct ifreq *ifr;
- struct ifreq *lifr;
-#endif /* NET_RT_IFLIST */
- int i;
- size_t len, alen;
- char *data;
- char *names;
-
-#ifdef NET_RT_IFLIST
- mib[0] = CTL_NET;
- mib[1] = PF_ROUTE;
- mib[2] = 0; /* protocol */
- mib[3] = 0; /* wildcard address family */
- mib[4] = NET_RT_IFLIST;
- mib[5] = 0; /* no flags */
- do {
- /*
- * We'll try to get addresses several times in case that
- * the number of addresses is unexpectedly increased during
- * the two sysctl calls. This should rarely happen, but we'll
- * try to do our best for applications that assume success of
- * this library (which should usually be the case).
- * Portability note: since FreeBSD does not add margin of
- * memory at the first sysctl, the possibility of failure on
- * the second sysctl call is a bit higher.
- */
-
- if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0)
- return (-1);
- if ((buf = malloc(needed)) == NULL)
- return (-1);
- if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0) {
- if (errno != ENOMEM || ++ntry >= MAX_SYSCTL_TRY) {
- free(buf);
- return (-1);
- }
- free(buf);
- buf = NULL;
- }
- } while (buf == NULL);
-
- for (next = buf; next < buf + needed; next += rtm->rtm_msglen) {
- rtm = (struct rt_msghdr *)(void *)next;
- if (rtm->rtm_version != RTM_VERSION)
- continue;
- switch (rtm->rtm_type) {
- case RTM_IFINFO:
- ifm = (struct if_msghdr *)(void *)rtm;
- if (ifm->ifm_addrs & RTA_IFP) {
- idx = ifm->ifm_index;
- ++icnt;
- dl = (struct sockaddr_dl *)(void *)(ifm + 1);
- dcnt += SA_RLEN((struct sockaddr *)(void*)dl) +
- ALIGNBYTES;
-#ifdef HAVE_IFM_DATA
- dcnt += sizeof(ifm->ifm_data);
-#endif /* HAVE_IFM_DATA */
- ncnt += dl->sdl_nlen + 1;
- } else
- idx = 0;
- break;
-
- case RTM_NEWADDR:
- ifam = (struct ifa_msghdr *)(void *)rtm;
- if (idx && ifam->ifam_index != idx)
- abort(); /* this cannot happen */
-
-#define RTA_MASKS (RTA_NETMASK | RTA_IFA | RTA_BRD)
- if (idx == 0 || (ifam->ifam_addrs & RTA_MASKS) == 0)
- break;
- p = (char *)(void *)(ifam + 1);
- ++icnt;
-#ifdef HAVE_IFAM_DATA
- dcnt += sizeof(ifam->ifam_data) + ALIGNBYTES;
-#endif /* HAVE_IFAM_DATA */
- /* Scan to look for length of address */
- alen = 0;
- for (p0 = p, i = 0; i < RTAX_MAX; i++) {
- if ((RTA_MASKS & ifam->ifam_addrs & (1 << i))
- == 0)
- continue;
- sa = (struct sockaddr *)(void *)p;
- len = SA_RLEN(sa);
- if (i == RTAX_IFA) {
- alen = len;
- break;
- }
- p += len;
- }
- for (p = p0, i = 0; i < RTAX_MAX; i++) {
- if ((RTA_MASKS & ifam->ifam_addrs & (1 << i))
- == 0)
- continue;
- sa = (struct sockaddr *)(void *)p;
- len = SA_RLEN(sa);
- if (i == RTAX_NETMASK && SA_LEN(sa) == 0)
- dcnt += alen;
- else
- dcnt += len;
- p += len;
- }
- break;
- }
- }
-#else /* NET_RT_IFLIST */
- ifc.ifc_buf = buf;
- ifc.ifc_len = sizeof(buf);
-
- if ((sock = _socket(AF_INET, SOCK_STREAM, 0)) < 0)
- return (-1);
- i = _ioctl(sock, SIOCGIFCONF, (char *)&ifc);
- _close(sock);
- if (i < 0)
- return (-1);
-
- ifr = ifc.ifc_req;
- lifr = (struct ifreq *)&ifc.ifc_buf[ifc.ifc_len];
-
- while (ifr < lifr) {
- struct sockaddr *sa;
-
- sa = &ifr->ifr_addr;
- ++icnt;
- dcnt += SA_RLEN(sa);
- ncnt += sizeof(ifr->ifr_name) + 1;
-
- if (SA_LEN(sa) < sizeof(*sa))
- ifr = (struct ifreq *)(((char *)sa) + sizeof(*sa));
- else
- ifr = (struct ifreq *)(((char *)sa) + SA_LEN(sa));
- }
-#endif /* NET_RT_IFLIST */
-
- if (icnt + dcnt + ncnt == 1) {
- *pif = NULL;
- free(buf);
- return (0);
- }
- data = malloc(sizeof(struct ifaddrs) * icnt + dcnt + ncnt);
- if (data == NULL) {
- free(buf);
- return(-1);
- }
-
- ifa = (struct ifaddrs *)(void *)data;
- data += sizeof(struct ifaddrs) * icnt;
- names = data + dcnt;
-
- memset(ifa, 0, sizeof(struct ifaddrs) * icnt);
- ift = ifa;
-
-#ifdef NET_RT_IFLIST
- idx = 0;
- for (next = buf; next < buf + needed; next += rtm->rtm_msglen) {
- rtm = (struct rt_msghdr *)(void *)next;
- if (rtm->rtm_version != RTM_VERSION)
- continue;
- switch (rtm->rtm_type) {
- case RTM_IFINFO:
- ifm = (struct if_msghdr *)(void *)rtm;
- if (ifm->ifm_addrs & RTA_IFP) {
- idx = ifm->ifm_index;
- dl = (struct sockaddr_dl *)(void *)(ifm + 1);
-
- cif = ift;
- ift->ifa_name = names;
- ift->ifa_flags = (int)ifm->ifm_flags;
- memcpy(names, dl->sdl_data,
- (size_t)dl->sdl_nlen);
- names[dl->sdl_nlen] = 0;
- names += dl->sdl_nlen + 1;
-
- ift->ifa_addr = (struct sockaddr *)(void *)data;
- memcpy(data, dl,
- (size_t)SA_LEN((struct sockaddr *)
- (void *)dl));
- data += SA_RLEN((struct sockaddr *)(void *)dl);
-
-#ifdef HAVE_IFM_DATA
- /* ifm_data needs to be aligned */
- ift->ifa_data = data = (void *)ALIGN(data);
- memcpy(data, &ifm->ifm_data, sizeof(ifm->ifm_data));
- data += sizeof(ifm->ifm_data);
-#else /* HAVE_IFM_DATA */
- ift->ifa_data = NULL;
-#endif /* HAVE_IFM_DATA */
-
- ift = (ift->ifa_next = ift + 1);
- } else
- idx = 0;
- break;
-
- case RTM_NEWADDR:
- ifam = (struct ifa_msghdr *)(void *)rtm;
- if (idx && ifam->ifam_index != idx)
- abort(); /* this cannot happen */
-
- if (idx == 0 || (ifam->ifam_addrs & RTA_MASKS) == 0)
- break;
- ift->ifa_name = cif->ifa_name;
- ift->ifa_flags = cif->ifa_flags;
- ift->ifa_data = NULL;
- p = (char *)(void *)(ifam + 1);
- /* Scan to look for length of address */
- alen = 0;
- for (p0 = p, i = 0; i < RTAX_MAX; i++) {
- if ((RTA_MASKS & ifam->ifam_addrs & (1 << i))
- == 0)
- continue;
- sa = (struct sockaddr *)(void *)p;
- len = SA_RLEN(sa);
- if (i == RTAX_IFA) {
- alen = len;
- break;
- }
- p += len;
- }
- for (p = p0, i = 0; i < RTAX_MAX; i++) {
- if ((RTA_MASKS & ifam->ifam_addrs & (1 << i))
- == 0)
- continue;
- sa = (struct sockaddr *)(void *)p;
- len = SA_RLEN(sa);
- switch (i) {
- case RTAX_IFA:
- ift->ifa_addr =
- (struct sockaddr *)(void *)data;
- memcpy(data, p, len);
- data += len;
- break;
-
- case RTAX_NETMASK:
- ift->ifa_netmask =
- (struct sockaddr *)(void *)data;
- if (SA_LEN(sa) == 0) {
- memset(data, 0, alen);
- data += alen;
- break;
- }
- memcpy(data, p, len);
- data += len;
- break;
-
- case RTAX_BRD:
- ift->ifa_broadaddr =
- (struct sockaddr *)(void *)data;
- memcpy(data, p, len);
- data += len;
- break;
- }
- p += len;
- }
-
-#ifdef HAVE_IFAM_DATA
- /* ifam_data needs to be aligned */
- ift->ifa_data = data = (void *)ALIGN(data);
- memcpy(data, &ifam->ifam_data, sizeof(ifam->ifam_data));
- data += sizeof(ifam->ifam_data);
-#endif /* HAVE_IFAM_DATA */
-
- ift = (ift->ifa_next = ift + 1);
- break;
- }
- }
-
- free(buf);
-#else /* NET_RT_IFLIST */
- ifr = ifc.ifc_req;
- lifr = (struct ifreq *)&ifc.ifc_buf[ifc.ifc_len];
-
- while (ifr < lifr) {
- struct sockaddr *sa;
-
- ift->ifa_name = names;
- names[sizeof(ifr->ifr_name)] = 0;
- strncpy(names, ifr->ifr_name, sizeof(ifr->ifr_name));
- while (*names++)
- ;
-
- ift->ifa_addr = (struct sockaddr *)data;
- sa = &ifr->ifr_addr;
- memcpy(data, sa, SA_LEN(sa));
- data += SA_RLEN(sa);
-
- ifr = (struct ifreq *)(((char *)sa) + SA_LEN(sa));
- ift = (ift->ifa_next = ift + 1);
- }
-#endif /* NET_RT_IFLIST */
- if (--ift >= ifa) {
- ift->ifa_next = NULL;
- *pif = ifa;
- } else {
- *pif = NULL;
- free(ifa);
- }
- return (0);
-}
-
-void
-freeifaddrs(struct ifaddrs *ifp)
-{
-
- free(ifp);
-}
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