+++ /dev/null
-/*
- * Copyright (c) 1997 - 2002 Kungliga Tekniska Högskolan
- * (Royal Institute of Technology, Stockholm, Sweden).
- * 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. Neither the name of the Institute nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE 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 INSTITUTE 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.
- */
-
-#include "krb5_locl.h"
-
-RCSID("$Id: get_addrs.c,v 1.46 2004/05/25 21:26:05 lha Exp $");
-
-#ifdef __osf__
-/* hate */
-struct rtentry;
-struct mbuf;
-#endif
-#ifdef HAVE_NET_IF_H
-#include <net/if.h>
-#endif
-#include <ifaddrs.h>
-
-static krb5_error_code
-gethostname_fallback (krb5_context context, krb5_addresses *res)
-{
- krb5_error_code ret;
- char hostname[MAXHOSTNAMELEN];
- struct hostent *hostent;
-
- if (gethostname (hostname, sizeof(hostname))) {
- ret = errno;
- krb5_set_error_string (context, "gethostname: %s", strerror(ret));
- return ret;
- }
- hostent = roken_gethostbyname (hostname);
- if (hostent == NULL) {
- ret = errno;
- krb5_set_error_string (context, "gethostbyname %s: %s",
- hostname, strerror(ret));
- return ret;
- }
- res->len = 1;
- res->val = malloc (sizeof(*res->val));
- if (res->val == NULL) {
- krb5_set_error_string(context, "malloc: out of memory");
- return ENOMEM;
- }
- res->val[0].addr_type = hostent->h_addrtype;
- res->val[0].address.data = NULL;
- res->val[0].address.length = 0;
- ret = krb5_data_copy (&res->val[0].address,
- hostent->h_addr,
- hostent->h_length);
- if (ret) {
- free (res->val);
- return ret;
- }
- return 0;
-}
-
-enum {
- LOOP = 1, /* do include loopback interfaces */
- LOOP_IF_NONE = 2, /* include loopback if no other if's */
- EXTRA_ADDRESSES = 4, /* include extra addresses */
- SCAN_INTERFACES = 8 /* scan interfaces for addresses */
-};
-
-/*
- * Try to figure out the addresses of all configured interfaces with a
- * lot of magic ioctls.
- */
-
-static krb5_error_code
-find_all_addresses (krb5_context context, krb5_addresses *res, int flags)
-{
- struct sockaddr sa_zero;
- struct ifaddrs *ifa0, *ifa;
- krb5_error_code ret = ENXIO;
- int num, idx;
- krb5_addresses ignore_addresses;
-
- res->val = NULL;
-
- if (getifaddrs(&ifa0) == -1) {
- ret = errno;
- krb5_set_error_string(context, "getifaddrs: %s", strerror(ret));
- return (ret);
- }
-
- memset(&sa_zero, 0, sizeof(sa_zero));
-
- /* First, count all the ifaddrs. */
- for (ifa = ifa0, num = 0; ifa != NULL; ifa = ifa->ifa_next, num++)
- /* nothing */;
-
- if (num == 0) {
- freeifaddrs(ifa0);
- krb5_set_error_string(context, "no addresses found");
- return (ENXIO);
- }
-
- if (flags & EXTRA_ADDRESSES) {
- /* we'll remove the addresses we don't care about */
- ret = krb5_get_ignore_addresses(context, &ignore_addresses);
- if(ret)
- return ret;
- }
-
- /* Allocate storage for them. */
- res->val = calloc(num, sizeof(*res->val));
- if (res->val == NULL) {
- krb5_free_addresses(context, &ignore_addresses);
- freeifaddrs(ifa0);
- krb5_set_error_string (context, "malloc: out of memory");
- return (ENOMEM);
- }
-
- /* Now traverse the list. */
- for (ifa = ifa0, idx = 0; ifa != NULL; ifa = ifa->ifa_next) {
- if ((ifa->ifa_flags & IFF_UP) == 0)
- continue;
- if (ifa->ifa_addr == NULL)
- continue;
- if (memcmp(ifa->ifa_addr, &sa_zero, sizeof(sa_zero)) == 0)
- continue;
- if (krb5_sockaddr_uninteresting(ifa->ifa_addr))
- continue;
- if ((ifa->ifa_flags & IFF_LOOPBACK) != 0) {
- /* We'll deal with the LOOP_IF_NONE case later. */
- if ((flags & LOOP) == 0)
- continue;
- }
-
- ret = krb5_sockaddr2address(context, ifa->ifa_addr, &res->val[idx]);
- if (ret) {
- /*
- * The most likely error here is going to be "Program
- * lacks support for address type". This is no big
- * deal -- just continue, and we'll listen on the
- * addresses who's type we *do* support.
- */
- continue;
- }
- /* possibly skip this address? */
- if((flags & EXTRA_ADDRESSES) &&
- krb5_address_search(context, &res->val[idx], &ignore_addresses)) {
- krb5_free_address(context, &res->val[idx]);
- flags &= ~LOOP_IF_NONE; /* we actually found an address,
- so don't add any loop-back
- addresses */
- continue;
- }
-
- idx++;
- }
-
- /*
- * If no addresses were found, and LOOP_IF_NONE is set, then find
- * the loopback addresses and add them to our list.
- */
- if ((flags & LOOP_IF_NONE) != 0 && idx == 0) {
- for (ifa = ifa0; ifa != NULL; ifa = ifa->ifa_next) {
- if ((ifa->ifa_flags & IFF_UP) == 0)
- continue;
- if (ifa->ifa_addr == NULL)
- continue;
- if (memcmp(ifa->ifa_addr, &sa_zero, sizeof(sa_zero)) == 0)
- continue;
- if (krb5_sockaddr_uninteresting(ifa->ifa_addr))
- continue;
-
- if ((ifa->ifa_flags & IFF_LOOPBACK) != 0) {
- ret = krb5_sockaddr2address(context,
- ifa->ifa_addr, &res->val[idx]);
- if (ret) {
- /*
- * See comment above.
- */
- continue;
- }
- if((flags & EXTRA_ADDRESSES) &&
- krb5_address_search(context, &res->val[idx],
- &ignore_addresses)) {
- krb5_free_address(context, &res->val[idx]);
- continue;
- }
- idx++;
- }
- }
- }
-
- if (flags & EXTRA_ADDRESSES)
- krb5_free_addresses(context, &ignore_addresses);
- freeifaddrs(ifa0);
- if (ret)
- free(res->val);
- else
- res->len = idx; /* Now a count. */
- return (ret);
-}
-
-static krb5_error_code
-get_addrs_int (krb5_context context, krb5_addresses *res, int flags)
-{
- krb5_error_code ret = -1;
-
- if (flags & SCAN_INTERFACES) {
- ret = find_all_addresses (context, res, flags);
- if(ret || res->len == 0)
- ret = gethostname_fallback (context, res);
- } else {
- res->len = 0;
- res->val = NULL;
- ret = 0;
- }
-
- if(ret == 0 && (flags & EXTRA_ADDRESSES)) {
- krb5_addresses a;
- /* append user specified addresses */
- ret = krb5_get_extra_addresses(context, &a);
- if(ret) {
- krb5_free_addresses(context, res);
- return ret;
- }
- ret = krb5_append_addresses(context, res, &a);
- if(ret) {
- krb5_free_addresses(context, res);
- return ret;
- }
- krb5_free_addresses(context, &a);
- }
- if(res->len == 0) {
- free(res->val);
- res->val = NULL;
- }
- return ret;
-}
-
-/*
- * Try to get all addresses, but return the one corresponding to
- * `hostname' if we fail.
- *
- * Only include loopback address if there are no other.
- */
-
-krb5_error_code KRB5_LIB_FUNCTION
-krb5_get_all_client_addrs (krb5_context context, krb5_addresses *res)
-{
- int flags = LOOP_IF_NONE | EXTRA_ADDRESSES;
-
- if (context->scan_interfaces)
- flags |= SCAN_INTERFACES;
-
- return get_addrs_int (context, res, flags);
-}
-
-/*
- * Try to get all local addresses that a server should listen to.
- * If that fails, we return the address corresponding to `hostname'.
- */
-
-krb5_error_code KRB5_LIB_FUNCTION
-krb5_get_all_server_addrs (krb5_context context, krb5_addresses *res)
-{
- return get_addrs_int (context, res, LOOP | SCAN_INTERFACES);
-}
+++ /dev/null
-/*
- * Copyright (c) 2000 - 2002 Kungliga Tekniska Högskolan
- * (Royal Institute of Technology, Stockholm, Sweden).
- * 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. Neither the name of the Institute nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE 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 INSTITUTE 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.
- */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-RCSID("$Id: getifaddrs.c,v 1.11 2005/04/30 15:45:47 lha Exp $");
-#endif
-#include "roken.h"
-
-#ifdef __osf__
-/* hate */
-struct rtentry;
-struct mbuf;
-#endif
-#ifdef HAVE_NET_IF_H
-#include <net/if.h>
-#endif
-
-#ifdef HAVE_SYS_SOCKIO_H
-#include <sys/sockio.h>
-#endif /* HAVE_SYS_SOCKIO_H */
-
-#ifdef HAVE_NETINET_IN6_VAR_H
-#include <netinet/in6_var.h>
-#endif /* HAVE_NETINET_IN6_VAR_H */
-
-#include <ifaddrs.h>
-
-#ifdef AF_NETLINK
-
-/*
- * The linux - AF_NETLINK version of getifaddrs - from Usagi.
- * Linux does not return v6 addresses from SIOCGIFCONF.
- */
-
-/* $USAGI: ifaddrs.c,v 1.18 2002/03/06 01:50:46 yoshfuji Exp $ */
-
-/**************************************************************************
- * ifaddrs.c
- * Copyright (C)2000 Hideaki YOSHIFUJI, 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. Neither the name of the author nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
- */
-
-#include "config.h"
-
-#include <string.h>
-#include <time.h>
-#include <malloc.h>
-#include <errno.h>
-#include <unistd.h>
-
-#include <sys/socket.h>
-#include <asm/types.h>
-#include <linux/netlink.h>
-#include <linux/rtnetlink.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <netpacket/packet.h>
-#include <net/ethernet.h> /* the L2 protocols */
-#include <sys/uio.h>
-#include <net/if.h>
-#include <net/if_arp.h>
-#include <ifaddrs.h>
-#include <netinet/in.h>
-
-#define __set_errno(e) (errno = (e))
-#define __close(fd) (close(fd))
-#undef ifa_broadaddr
-#define ifa_broadaddr ifa_dstaddr
-#define IFA_NETMASK
-
-/* ====================================================================== */
-struct nlmsg_list{
- struct nlmsg_list *nlm_next;
- struct nlmsghdr *nlh;
- int size;
- time_t seq;
-};
-
-struct rtmaddr_ifamap {
- void *address;
- void *local;
-#ifdef IFA_NETMASK
- void *netmask;
-#endif
- void *broadcast;
-#ifdef HAVE_IFADDRS_IFA_ANYCAST
- void *anycast;
-#endif
- int address_len;
- int local_len;
-#ifdef IFA_NETMASK
- int netmask_len;
-#endif
- int broadcast_len;
-#ifdef HAVE_IFADDRS_IFA_ANYCAST
- int anycast_len;
-#endif
-};
-
-/* ====================================================================== */
-static size_t
-ifa_sa_len(sa_family_t family, int len)
-{
- size_t size;
- switch(family){
- case AF_INET:
- size = sizeof(struct sockaddr_in);
- break;
- case AF_INET6:
- size = sizeof(struct sockaddr_in6);
- break;
- case AF_PACKET:
- size = (size_t)(((struct sockaddr_ll *)NULL)->sll_addr) + len;
- if (size < sizeof(struct sockaddr_ll))
- size = sizeof(struct sockaddr_ll);
- break;
- default:
- size = (size_t)(((struct sockaddr *)NULL)->sa_data) + len;
- if (size < sizeof(struct sockaddr))
- size = sizeof(struct sockaddr);
- break;
- }
- return size;
-}
-
-static void
-ifa_make_sockaddr(sa_family_t family,
- struct sockaddr *sa,
- void *p, size_t len,
- uint32_t scope, uint32_t scopeid)
-{
- if (sa == NULL) return;
- switch(family){
- case AF_INET:
- memcpy(&((struct sockaddr_in*)sa)->sin_addr, (char *)p, len);
- break;
- case AF_INET6:
- memcpy(&((struct sockaddr_in6*)sa)->sin6_addr, (char *)p, len);
- if (IN6_IS_ADDR_LINKLOCAL(p) ||
- IN6_IS_ADDR_MC_LINKLOCAL(p)){
- ((struct sockaddr_in6*)sa)->sin6_scope_id = scopeid;
- }
- break;
- case AF_PACKET:
- memcpy(((struct sockaddr_ll*)sa)->sll_addr, (char *)p, len);
- ((struct sockaddr_ll*)sa)->sll_halen = len;
- break;
- default:
- memcpy(sa->sa_data, p, len); /*XXX*/
- break;
- }
- sa->sa_family = family;
-#ifdef HAVE_SOCKADDR_SA_LEN
- sa->sa_len = ifa_sa_len(family, len);
-#endif
-}
-
-#ifndef IFA_NETMASK
-static struct sockaddr *
-ifa_make_sockaddr_mask(sa_family_t family,
- struct sockaddr *sa,
- uint32_t prefixlen)
-{
- int i;
- char *p = NULL, c;
- uint32_t max_prefixlen = 0;
-
- if (sa == NULL) return NULL;
- switch(family){
- case AF_INET:
- memset(&((struct sockaddr_in*)sa)->sin_addr, 0, sizeof(((struct sockaddr_in*)sa)->sin_addr));
- p = (char *)&((struct sockaddr_in*)sa)->sin_addr;
- max_prefixlen = 32;
- break;
- case AF_INET6:
- memset(&((struct sockaddr_in6*)sa)->sin6_addr, 0, sizeof(((struct sockaddr_in6*)sa)->sin6_addr));
- p = (char *)&((struct sockaddr_in6*)sa)->sin6_addr;
-#if 0 /* XXX: fill scope-id? */
- if (IN6_IS_ADDR_LINKLOCAL(p) ||
- IN6_IS_ADDR_MC_LINKLOCAL(p)){
- ((struct sockaddr_in6*)sa)->sin6_scope_id = scopeid;
- }
-#endif
- max_prefixlen = 128;
- break;
- default:
- return NULL;
- }
- sa->sa_family = family;
-#ifdef HAVE_SOCKADDR_SA_LEN
- sa->sa_len = ifa_sa_len(family, len);
-#endif
- if (p){
- if (prefixlen > max_prefixlen)
- prefixlen = max_prefixlen;
- for (i=0; i<(prefixlen / 8); i++)
- *p++ = 0xff;
- c = 0xff;
- c <<= (8 - (prefixlen % 8));
- *p = c;
- }
- return sa;
-}
-#endif
-
-/* ====================================================================== */
-static int
-nl_sendreq(int sd, int request, int flags, int *seq)
-{
- char reqbuf[NLMSG_ALIGN(sizeof(struct nlmsghdr)) +
- NLMSG_ALIGN(sizeof(struct rtgenmsg))];
- struct sockaddr_nl nladdr;
- struct nlmsghdr *req_hdr;
- struct rtgenmsg *req_msg;
- time_t t = time(NULL);
-
- if (seq) *seq = t;
- memset(&reqbuf, 0, sizeof(reqbuf));
- req_hdr = (struct nlmsghdr *)reqbuf;
- req_msg = (struct rtgenmsg *)NLMSG_DATA(req_hdr);
- req_hdr->nlmsg_len = NLMSG_LENGTH(sizeof(*req_msg));
- req_hdr->nlmsg_type = request;
- req_hdr->nlmsg_flags = flags | NLM_F_REQUEST;
- req_hdr->nlmsg_pid = 0;
- req_hdr->nlmsg_seq = t;
- req_msg->rtgen_family = AF_UNSPEC;
- memset(&nladdr, 0, sizeof(nladdr));
- nladdr.nl_family = AF_NETLINK;
- return (sendto(sd, (void *)req_hdr, req_hdr->nlmsg_len, 0,
- (struct sockaddr *)&nladdr, sizeof(nladdr)));
-}
-
-static int
-nl_recvmsg(int sd, int request, int seq,
- void *buf, size_t buflen,
- int *flags)
-{
- struct msghdr msg;
- struct iovec iov = { buf, buflen };
- struct sockaddr_nl nladdr;
- int read_len;
-
- for (;;){
- msg.msg_name = (void *)&nladdr;
- msg.msg_namelen = sizeof(nladdr);
- msg.msg_iov = &iov;
- msg.msg_iovlen = 1;
- msg.msg_control = NULL;
- msg.msg_controllen = 0;
- msg.msg_flags = 0;
- read_len = recvmsg(sd, &msg, 0);
- if ((read_len < 0 && errno == EINTR) || (msg.msg_flags & MSG_TRUNC))
- continue;
- if (flags) *flags = msg.msg_flags;
- break;
- }
- return read_len;
-}
-
-static int
-nl_getmsg(int sd, int request, int seq,
- struct nlmsghdr **nlhp,
- int *done)
-{
- struct nlmsghdr *nh;
- size_t bufsize = 65536, lastbufsize = 0;
- void *buff = NULL;
- int result = 0, read_size;
- int msg_flags;
- pid_t pid = getpid();
- for (;;){
- void *newbuff = realloc(buff, bufsize);
- if (newbuff == NULL || bufsize < lastbufsize) {
- result = -1;
- break;
- }
- buff = newbuff;
- result = read_size = nl_recvmsg(sd, request, seq, buff, bufsize, &msg_flags);
- if (read_size < 0 || (msg_flags & MSG_TRUNC)){
- lastbufsize = bufsize;
- bufsize *= 2;
- continue;
- }
- if (read_size == 0) break;
- nh = (struct nlmsghdr *)buff;
- for (nh = (struct nlmsghdr *)buff;
- NLMSG_OK(nh, read_size);
- nh = (struct nlmsghdr *)NLMSG_NEXT(nh, read_size)){
- if (nh->nlmsg_pid != pid ||
- nh->nlmsg_seq != seq)
- continue;
- if (nh->nlmsg_type == NLMSG_DONE){
- (*done)++;
- break; /* ok */
- }
- if (nh->nlmsg_type == NLMSG_ERROR){
- struct nlmsgerr *nlerr = (struct nlmsgerr *)NLMSG_DATA(nh);
- result = -1;
- if (nh->nlmsg_len < NLMSG_LENGTH(sizeof(struct nlmsgerr)))
- __set_errno(EIO);
- else
- __set_errno(-nlerr->error);
- break;
- }
- }
- break;
- }
- if (result < 0)
- if (buff){
- int saved_errno = errno;
- free(buff);
- __set_errno(saved_errno);
- }
- *nlhp = (struct nlmsghdr *)buff;
- return result;
-}
-
-static int
-nl_getlist(int sd, int seq,
- int request,
- struct nlmsg_list **nlm_list,
- struct nlmsg_list **nlm_end)
-{
- struct nlmsghdr *nlh = NULL;
- int status;
- int done = 0;
-
- status = nl_sendreq(sd, request, NLM_F_ROOT|NLM_F_MATCH, &seq);
- if (status < 0)
- return status;
- if (seq == 0)
- seq = (int)time(NULL);
- while(!done){
- status = nl_getmsg(sd, request, seq, &nlh, &done);
- if (status < 0)
- return status;
- if (nlh){
- struct nlmsg_list *nlm_next = (struct nlmsg_list *)malloc(sizeof(struct nlmsg_list));
- if (nlm_next == NULL){
- int saved_errno = errno;
- free(nlh);
- __set_errno(saved_errno);
- status = -1;
- } else {
- nlm_next->nlm_next = NULL;
- nlm_next->nlh = (struct nlmsghdr *)nlh;
- nlm_next->size = status;
- nlm_next->seq = seq;
- if (*nlm_list == NULL){
- *nlm_list = nlm_next;
- *nlm_end = nlm_next;
- } else {
- (*nlm_end)->nlm_next = nlm_next;
- *nlm_end = nlm_next;
- }
- }
- }
- }
- return status >= 0 ? seq : status;
-}
-
-/* ---------------------------------------------------------------------- */
-static void
-free_nlmsglist(struct nlmsg_list *nlm0)
-{
- struct nlmsg_list *nlm;
- int saved_errno;
- if (!nlm0)
- return;
- saved_errno = errno;
- for (nlm=nlm0; nlm; nlm=nlm->nlm_next){
- if (nlm->nlh)
- free(nlm->nlh);
- }
- free(nlm0);
- __set_errno(saved_errno);
-}
-
-static void
-free_data(void *data, void *ifdata)
-{
- int saved_errno = errno;
- if (data != NULL) free(data);
- if (ifdata != NULL) free(ifdata);
- __set_errno(saved_errno);
-}
-
-/* ---------------------------------------------------------------------- */
-static void
-nl_close(int sd)
-{
- int saved_errno = errno;
- if (sd >= 0) __close(sd);
- __set_errno(saved_errno);
-}
-
-/* ---------------------------------------------------------------------- */
-static int
-nl_open(void)
-{
- struct sockaddr_nl nladdr;
- int sd;
-
- sd = socket(PF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
- if (sd < 0) return -1;
- memset(&nladdr, 0, sizeof(nladdr));
- nladdr.nl_family = AF_NETLINK;
- if (bind(sd, (struct sockaddr*)&nladdr, sizeof(nladdr)) < 0){
- nl_close(sd);
- return -1;
- }
- return sd;
-}
-
-/* ====================================================================== */
-int ROKEN_LIB_FUNCTION
-getifaddrs(struct ifaddrs **ifap)
-{
- int sd;
- struct nlmsg_list *nlmsg_list, *nlmsg_end, *nlm;
- /* - - - - - - - - - - - - - - - */
- int icnt;
- size_t dlen, xlen, nlen;
- uint32_t max_ifindex = 0;
-
- pid_t pid = getpid();
- int seq;
- int result;
- int build ; /* 0 or 1 */
-
-/* ---------------------------------- */
- /* initialize */
- icnt = dlen = xlen = nlen = 0;
- nlmsg_list = nlmsg_end = NULL;
-
- if (ifap)
- *ifap = NULL;
-
-/* ---------------------------------- */
- /* open socket and bind */
- sd = nl_open();
- if (sd < 0)
- return -1;
-
-/* ---------------------------------- */
- /* gather info */
- if ((seq = nl_getlist(sd, 0, RTM_GETLINK,
- &nlmsg_list, &nlmsg_end)) < 0){
- free_nlmsglist(nlmsg_list);
- nl_close(sd);
- return -1;
- }
- if ((seq = nl_getlist(sd, seq+1, RTM_GETADDR,
- &nlmsg_list, &nlmsg_end)) < 0){
- free_nlmsglist(nlmsg_list);
- nl_close(sd);
- return -1;
- }
-
-/* ---------------------------------- */
- /* Estimate size of result buffer and fill it */
- for (build=0; build<=1; build++){
- struct ifaddrs *ifl = NULL, *ifa = NULL;
- struct nlmsghdr *nlh, *nlh0;
- char *data = NULL, *xdata = NULL;
- void *ifdata = NULL;
- char *ifname = NULL, **iflist = NULL;
- uint16_t *ifflist = NULL;
- struct rtmaddr_ifamap ifamap;
-
- if (build){
- data = calloc(1,
- NLMSG_ALIGN(sizeof(struct ifaddrs[icnt]))
- + dlen + xlen + nlen);
- ifa = (struct ifaddrs *)data;
- ifdata = calloc(1,
- NLMSG_ALIGN(sizeof(char *[max_ifindex+1]))
- + NLMSG_ALIGN(sizeof(uint16_t [max_ifindex+1])));
- if (ifap != NULL)
- *ifap = (ifdata != NULL) ? ifa : NULL;
- else{
- free_data(data, ifdata);
- result = 0;
- break;
- }
- if (data == NULL || ifdata == NULL){
- free_data(data, ifdata);
- result = -1;
- break;
- }
- ifl = NULL;
- data += NLMSG_ALIGN(sizeof(struct ifaddrs)) * icnt;
- xdata = data + dlen;
- ifname = xdata + xlen;
- iflist = ifdata;
- ifflist = (uint16_t *)(((char *)iflist) + NLMSG_ALIGN(sizeof(char *[max_ifindex+1])));
- }
-
- for (nlm=nlmsg_list; nlm; nlm=nlm->nlm_next){
- int nlmlen = nlm->size;
- if (!(nlh0 = nlm->nlh))
- continue;
- for (nlh = nlh0;
- NLMSG_OK(nlh, nlmlen);
- nlh=NLMSG_NEXT(nlh,nlmlen)){
- struct ifinfomsg *ifim = NULL;
- struct ifaddrmsg *ifam = NULL;
- struct rtattr *rta;
-
- size_t nlm_struct_size = 0;
- sa_family_t nlm_family = 0;
- uint32_t nlm_scope = 0, nlm_index = 0;
- size_t sockaddr_size = 0;
- uint32_t nlm_prefixlen = 0;
- size_t rtasize;
-
- memset(&ifamap, 0, sizeof(ifamap));
-
- /* check if the message is what we want */
- if (nlh->nlmsg_pid != pid ||
- nlh->nlmsg_seq != nlm->seq)
- continue;
- if (nlh->nlmsg_type == NLMSG_DONE){
- break; /* ok */
- }
- switch (nlh->nlmsg_type){
- case RTM_NEWLINK:
- ifim = (struct ifinfomsg *)NLMSG_DATA(nlh);
- nlm_struct_size = sizeof(*ifim);
- nlm_family = ifim->ifi_family;
- nlm_scope = 0;
- nlm_index = ifim->ifi_index;
- nlm_prefixlen = 0;
- if (build)
- ifflist[nlm_index] = ifa->ifa_flags = ifim->ifi_flags;
- break;
- case RTM_NEWADDR:
- ifam = (struct ifaddrmsg *)NLMSG_DATA(nlh);
- nlm_struct_size = sizeof(*ifam);
- nlm_family = ifam->ifa_family;
- nlm_scope = ifam->ifa_scope;
- nlm_index = ifam->ifa_index;
- nlm_prefixlen = ifam->ifa_prefixlen;
- if (build)
- ifa->ifa_flags = ifflist[nlm_index];
- break;
- default:
- continue;
- }
-
- if (!build){
- if (max_ifindex < nlm_index)
- max_ifindex = nlm_index;
- } else {
- if (ifl != NULL)
- ifl->ifa_next = ifa;
- }
-
- rtasize = NLMSG_PAYLOAD(nlh, nlmlen) - NLMSG_ALIGN(nlm_struct_size);
- for (rta = (struct rtattr *)(((char *)NLMSG_DATA(nlh)) + NLMSG_ALIGN(nlm_struct_size));
- RTA_OK(rta, rtasize);
- rta = RTA_NEXT(rta, rtasize)){
- struct sockaddr **sap = NULL;
- void *rtadata = RTA_DATA(rta);
- size_t rtapayload = RTA_PAYLOAD(rta);
- socklen_t sa_len;
-
- switch(nlh->nlmsg_type){
- case RTM_NEWLINK:
- switch(rta->rta_type){
- case IFLA_ADDRESS:
- case IFLA_BROADCAST:
- if (build){
- sap = (rta->rta_type == IFLA_ADDRESS) ? &ifa->ifa_addr : &ifa->ifa_broadaddr;
- *sap = (struct sockaddr *)data;
- }
- sa_len = ifa_sa_len(AF_PACKET, rtapayload);
- if (rta->rta_type == IFLA_ADDRESS)
- sockaddr_size = NLMSG_ALIGN(sa_len);
- if (!build){
- dlen += NLMSG_ALIGN(sa_len);
- } else {
- memset(*sap, 0, sa_len);
- ifa_make_sockaddr(AF_PACKET, *sap, rtadata,rtapayload, 0,0);
- ((struct sockaddr_ll *)*sap)->sll_ifindex = nlm_index;
- ((struct sockaddr_ll *)*sap)->sll_hatype = ifim->ifi_type;
- data += NLMSG_ALIGN(sa_len);
- }
- break;
- case IFLA_IFNAME:/* Name of Interface */
- if (!build)
- nlen += NLMSG_ALIGN(rtapayload + 1);
- else{
- ifa->ifa_name = ifname;
- if (iflist[nlm_index] == NULL)
- iflist[nlm_index] = ifa->ifa_name;
- strncpy(ifa->ifa_name, rtadata, rtapayload);
- ifa->ifa_name[rtapayload] = '\0';
- ifname += NLMSG_ALIGN(rtapayload + 1);
- }
- break;
- case IFLA_STATS:/* Statistics of Interface */
- if (!build)
- xlen += NLMSG_ALIGN(rtapayload);
- else{
- ifa->ifa_data = xdata;
- memcpy(ifa->ifa_data, rtadata, rtapayload);
- xdata += NLMSG_ALIGN(rtapayload);
- }
- break;
- case IFLA_UNSPEC:
- break;
- case IFLA_MTU:
- break;
- case IFLA_LINK:
- break;
- case IFLA_QDISC:
- break;
- default:
- break;
- }
- break;
- case RTM_NEWADDR:
- if (nlm_family == AF_PACKET) break;
- switch(rta->rta_type){
- case IFA_ADDRESS:
- ifamap.address = rtadata;
- ifamap.address_len = rtapayload;
- break;
- case IFA_LOCAL:
- ifamap.local = rtadata;
- ifamap.local_len = rtapayload;
- break;
- case IFA_BROADCAST:
- ifamap.broadcast = rtadata;
- ifamap.broadcast_len = rtapayload;
- break;
-#ifdef HAVE_IFADDRS_IFA_ANYCAST
- case IFA_ANYCAST:
- ifamap.anycast = rtadata;
- ifamap.anycast_len = rtapayload;
- break;
-#endif
- case IFA_LABEL:
- if (!build)
- nlen += NLMSG_ALIGN(rtapayload + 1);
- else{
- ifa->ifa_name = ifname;
- if (iflist[nlm_index] == NULL)
- iflist[nlm_index] = ifname;
- strncpy(ifa->ifa_name, rtadata, rtapayload);
- ifa->ifa_name[rtapayload] = '\0';
- ifname += NLMSG_ALIGN(rtapayload + 1);
- }
- break;
- case IFA_UNSPEC:
- break;
- case IFA_CACHEINFO:
- break;
- default:
- break;
- }
- }
- }
- if (nlh->nlmsg_type == RTM_NEWADDR &&
- nlm_family != AF_PACKET) {
- if (!ifamap.local) {
- ifamap.local = ifamap.address;
- ifamap.local_len = ifamap.address_len;
- }
- if (!ifamap.address) {
- ifamap.address = ifamap.local;
- ifamap.address_len = ifamap.local_len;
- }
- if (ifamap.address_len != ifamap.local_len ||
- (ifamap.address != NULL &&
- memcmp(ifamap.address, ifamap.local, ifamap.address_len))) {
- /* p2p; address is peer and local is ours */
- ifamap.broadcast = ifamap.address;
- ifamap.broadcast_len = ifamap.address_len;
- ifamap.address = ifamap.local;
- ifamap.address_len = ifamap.local_len;
- }
- if (ifamap.address) {
-#ifndef IFA_NETMASK
- sockaddr_size = NLMSG_ALIGN(ifa_sa_len(nlm_family,ifamap.address_len));
-#endif
- if (!build)
- dlen += NLMSG_ALIGN(ifa_sa_len(nlm_family,ifamap.address_len));
- else {
- ifa->ifa_addr = (struct sockaddr *)data;
- ifa_make_sockaddr(nlm_family, ifa->ifa_addr, ifamap.address, ifamap.address_len,
- nlm_scope, nlm_index);
- data += NLMSG_ALIGN(ifa_sa_len(nlm_family, ifamap.address_len));
- }
- }
-#ifdef IFA_NETMASK
- if (ifamap.netmask) {
- if (!build)
- dlen += NLMSG_ALIGN(ifa_sa_len(nlm_family,ifamap.netmask_len));
- else {
- ifa->ifa_netmask = (struct sockaddr *)data;
- ifa_make_sockaddr(nlm_family, ifa->ifa_netmask, ifamap.netmask, ifamap.netmask_len,
- nlm_scope, nlm_index);
- data += NLMSG_ALIGN(ifa_sa_len(nlm_family, ifamap.netmask_len));
- }
- }
-#endif
- if (ifamap.broadcast) {
- if (!build)
- dlen += NLMSG_ALIGN(ifa_sa_len(nlm_family,ifamap.broadcast_len));
- else {
- ifa->ifa_broadaddr = (struct sockaddr *)data;
- ifa_make_sockaddr(nlm_family, ifa->ifa_broadaddr, ifamap.broadcast, ifamap.broadcast_len,
- nlm_scope, nlm_index);
- data += NLMSG_ALIGN(ifa_sa_len(nlm_family, ifamap.broadcast_len));
- }
- }
-#ifdef HAVE_IFADDRS_IFA_ANYCAST
- if (ifamap.anycast) {
- if (!build)
- dlen += NLMSG_ALIGN(ifa_sa_len(nlm_family,ifamap.anycast_len));
- else {
- ifa->ifa_anycast = (struct sockaddr *)data;
- ifa_make_sockaddr(nlm_family, ifa->ifa_anyaddr, ifamap.anycast, ifamap.anycast_len,
- nlm_scope, nlm_index);
- data += NLMSG_ALIGN(ifa_sa_len(nlm_family, ifamap.anycast_len));
- }
- }
-#endif
- }
- if (!build){
-#ifndef IFA_NETMASK
- dlen += sockaddr_size;
-#endif
- icnt++;
- } else {
- if (ifa->ifa_name == NULL)
- ifa->ifa_name = iflist[nlm_index];
-#ifndef IFA_NETMASK
- if (ifa->ifa_addr &&
- ifa->ifa_addr->sa_family != AF_UNSPEC &&
- ifa->ifa_addr->sa_family != AF_PACKET){
- ifa->ifa_netmask = (struct sockaddr *)data;
- ifa_make_sockaddr_mask(ifa->ifa_addr->sa_family, ifa->ifa_netmask, nlm_prefixlen);
- }
- data += sockaddr_size;
-#endif
- ifl = ifa++;
- }
- }
- }
- if (!build){
- if (icnt == 0 && (dlen + nlen + xlen == 0)){
- if (ifap != NULL)
- *ifap = NULL;
- break; /* cannot found any addresses */
- }
- }
- else
- free_data(NULL, ifdata);
- }
-
-/* ---------------------------------- */
- /* Finalize */
- free_nlmsglist(nlmsg_list);
- nl_close(sd);
- return 0;
-}
-
-/* ---------------------------------------------------------------------- */
-void ROKEN_LIB_FUNCTION
-freeifaddrs(struct ifaddrs *ifa)
-{
- free(ifa);
-}
-
-
-#else /* !AF_NETLINK */
-
-/*
- * The generic SIOCGIFCONF version.
- */
-
-static int
-getifaddrs2(struct ifaddrs **ifap,
- int af, int siocgifconf, int siocgifflags,
- size_t ifreq_sz)
-{
- int ret;
- int fd;
- size_t buf_size;
- char *buf;
- struct ifconf ifconf;
- char *p;
- size_t sz;
- struct sockaddr sa_zero;
- struct ifreq *ifr;
- struct ifaddrs *start = NULL, **end = &start;
-
- buf = NULL;
-
- memset (&sa_zero, 0, sizeof(sa_zero));
- fd = socket(af, SOCK_DGRAM, 0);
- if (fd < 0)
- return -1;
-
- buf_size = 8192;
- for (;;) {
- buf = calloc(1, buf_size);
- if (buf == NULL) {
- ret = ENOMEM;
- goto error_out;
- }
- ifconf.ifc_len = buf_size;
- ifconf.ifc_buf = buf;
-
- /*
- * Solaris returns EINVAL when the buffer is too small.
- */
- if (ioctl (fd, siocgifconf, &ifconf) < 0 && errno != EINVAL) {
- ret = errno;
- goto error_out;
- }
- /*
- * Can the difference between a full and a overfull buf
- * be determined?
- */
-
- if (ifconf.ifc_len < buf_size)
- break;
- free (buf);
- buf_size *= 2;
- }
-
- for (p = ifconf.ifc_buf;
- p < ifconf.ifc_buf + ifconf.ifc_len;
- p += sz) {
- struct ifreq ifreq;
- struct sockaddr *sa;
- size_t salen;
-
- ifr = (struct ifreq *)p;
- sa = &ifr->ifr_addr;
-
- sz = ifreq_sz;
- salen = sizeof(struct sockaddr);
-#ifdef HAVE_STRUCT_SOCKADDR_SA_LEN
- salen = sa->sa_len;
- sz = max(sz, sizeof(ifr->ifr_name) + sa->sa_len);
-#endif
-#ifdef SA_LEN
- salen = SA_LEN(sa);
- sz = max(sz, sizeof(ifr->ifr_name) + SA_LEN(sa));
-#endif
- memset (&ifreq, 0, sizeof(ifreq));
- memcpy (ifreq.ifr_name, ifr->ifr_name, sizeof(ifr->ifr_name));
-
- if (ioctl(fd, siocgifflags, &ifreq) < 0) {
- ret = errno;
- goto error_out;
- }
-
- *end = malloc(sizeof(**end));
- if (*end == NULL) {
- ret = ENOMEM;
- goto error_out;
- }
-
- (*end)->ifa_next = NULL;
- (*end)->ifa_name = strdup(ifr->ifr_name);
- (*end)->ifa_flags = ifreq.ifr_flags;
- (*end)->ifa_addr = malloc(salen);
- memcpy((*end)->ifa_addr, sa, salen);
- (*end)->ifa_netmask = NULL;
-
-#if 0
- /* fix these when we actually need them */
- if(ifreq.ifr_flags & IFF_BROADCAST) {
- (*end)->ifa_broadaddr = malloc(sizeof(ifr->ifr_broadaddr));
- memcpy((*end)->ifa_broadaddr, &ifr->ifr_broadaddr,
- sizeof(ifr->ifr_broadaddr));
- } else if(ifreq.ifr_flags & IFF_POINTOPOINT) {
- (*end)->ifa_dstaddr = malloc(sizeof(ifr->ifr_dstaddr));
- memcpy((*end)->ifa_dstaddr, &ifr->ifr_dstaddr,
- sizeof(ifr->ifr_dstaddr));
- } else
- (*end)->ifa_dstaddr = NULL;
-#else
- (*end)->ifa_dstaddr = NULL;
-#endif
-
- (*end)->ifa_data = NULL;
-
- end = &(*end)->ifa_next;
-
- }
- *ifap = start;
- close(fd);
- free(buf);
- return 0;
- error_out:
- freeifaddrs(start);
- close(fd);
- free(buf);
- errno = ret;
- return -1;
-}
-
-#if defined(HAVE_IPV6) && defined(SIOCGLIFCONF) && defined(SIOCGLIFFLAGS)
-static int
-getlifaddrs2(struct ifaddrs **ifap,
- int af, int siocgifconf, int siocgifflags,
- size_t ifreq_sz)
-{
- int ret;
- int fd;
- size_t buf_size;
- char *buf;
- struct lifconf ifconf;
- char *p;
- size_t sz;
- struct sockaddr sa_zero;
- struct lifreq *ifr;
- struct ifaddrs *start = NULL, **end = &start;
-
- buf = NULL;
-
- memset (&sa_zero, 0, sizeof(sa_zero));
- fd = socket(af, SOCK_DGRAM, 0);
- if (fd < 0)
- return -1;
-
- buf_size = 8192;
- for (;;) {
- buf = calloc(1, buf_size);
- if (buf == NULL) {
- ret = ENOMEM;
- goto error_out;
- }
- ifconf.lifc_family = AF_UNSPEC;
- ifconf.lifc_flags = 0;
- ifconf.lifc_len = buf_size;
- ifconf.lifc_buf = buf;
-
- /*
- * Solaris returns EINVAL when the buffer is too small.
- */
- if (ioctl (fd, siocgifconf, &ifconf) < 0 && errno != EINVAL) {
- ret = errno;
- goto error_out;
- }
- /*
- * Can the difference between a full and a overfull buf
- * be determined?
- */
-
- if (ifconf.lifc_len < buf_size)
- break;
- free (buf);
- buf_size *= 2;
- }
-
- for (p = ifconf.lifc_buf;
- p < ifconf.lifc_buf + ifconf.lifc_len;
- p += sz) {
- struct lifreq ifreq;
- struct sockaddr_storage *sa;
- size_t salen;
-
- ifr = (struct lifreq *)p;
- sa = &ifr->lifr_addr;
-
- sz = ifreq_sz;
- salen = sizeof(struct sockaddr_storage);
-#ifdef HAVE_STRUCT_SOCKADDR_SA_LEN
- salen = sa->sa_len;
- sz = max(sz, sizeof(ifr->ifr_name) + sa->sa_len);
-#endif
-#ifdef SA_LEN
- salen = SA_LEN(sa);
- sz = max(sz, sizeof(ifr->ifr_name) + SA_LEN(sa));
-#endif
- memset (&ifreq, 0, sizeof(ifreq));
- memcpy (ifreq.lifr_name, ifr->lifr_name, sizeof(ifr->lifr_name));
-
- if (ioctl(fd, siocgifflags, &ifreq) < 0) {
- ret = errno;
- goto error_out;
- }
-
- *end = malloc(sizeof(**end));
-
- (*end)->ifa_next = NULL;
- (*end)->ifa_name = strdup(ifr->lifr_name);
- (*end)->ifa_flags = ifreq.lifr_flags;
- (*end)->ifa_addr = malloc(salen);
- memcpy((*end)->ifa_addr, sa, salen);
- (*end)->ifa_netmask = NULL;
-
-#if 0
- /* fix these when we actually need them */
- if(ifreq.ifr_flags & IFF_BROADCAST) {
- (*end)->ifa_broadaddr = malloc(sizeof(ifr->ifr_broadaddr));
- memcpy((*end)->ifa_broadaddr, &ifr->ifr_broadaddr,
- sizeof(ifr->ifr_broadaddr));
- } else if(ifreq.ifr_flags & IFF_POINTOPOINT) {
- (*end)->ifa_dstaddr = malloc(sizeof(ifr->ifr_dstaddr));
- memcpy((*end)->ifa_dstaddr, &ifr->ifr_dstaddr,
- sizeof(ifr->ifr_dstaddr));
- } else
- (*end)->ifa_dstaddr = NULL;
-#else
- (*end)->ifa_dstaddr = NULL;
-#endif
-
- (*end)->ifa_data = NULL;
-
- end = &(*end)->ifa_next;
-
- }
- *ifap = start;
- close(fd);
- free(buf);
- return 0;
- error_out:
- freeifaddrs(start);
- close(fd);
- free(buf);
- errno = ret;
- return -1;
-}
-#endif /* defined(HAVE_IPV6) && defined(SIOCGLIFCONF) && defined(SIOCGLIFFLAGS) */
-
-int ROKEN_LIB_FUNCTION
-getifaddrs(struct ifaddrs **ifap)
-{
- int ret = -1;
- errno = ENXIO;
-#if defined(AF_INET6) && defined(SIOCGIF6CONF) && defined(SIOCGIF6FLAGS)
- if (ret)
- ret = getifaddrs2 (ifap, AF_INET6, SIOCGIF6CONF, SIOCGIF6FLAGS,
- sizeof(struct in6_ifreq));
-#endif
-#if defined(HAVE_IPV6) && defined(SIOCGLIFCONF) && defined(SIOCGLIFFLAGS)
- if (ret)
- ret = getlifaddrs2 (ifap, AF_INET6, SIOCGLIFCONF, SIOCGLIFFLAGS,
- sizeof(struct lifreq));
-#endif
-#if defined(HAVE_IPV6) && defined(SIOCGIFCONF)
- if (ret)
- ret = getifaddrs2 (ifap, AF_INET6, SIOCGIFCONF, SIOCGIFFLAGS,
- sizeof(struct ifreq));
-#endif
-#if defined(AF_INET) && defined(SIOCGIFCONF) && defined(SIOCGIFFLAGS)
- if (ret)
- ret = getifaddrs2 (ifap, AF_INET, SIOCGIFCONF, SIOCGIFFLAGS,
- sizeof(struct ifreq));
-#endif
- return ret;
-}
-
-void ROKEN_LIB_FUNCTION
-freeifaddrs(struct ifaddrs *ifp)
-{
- struct ifaddrs *p, *q;
-
- for(p = ifp; p; ) {
- free(p->ifa_name);
- if(p->ifa_addr)
- free(p->ifa_addr);
- if(p->ifa_dstaddr)
- free(p->ifa_dstaddr);
- if(p->ifa_netmask)
- free(p->ifa_netmask);
- if(p->ifa_data)
- free(p->ifa_data);
- q = p;
- p = p->ifa_next;
- free(q);
- }
-}
-
-#endif /* !AF_NETLINK */
-
-#ifdef TEST
-
-void
-print_addr(const char *s, struct sockaddr *sa)
-{
- int i;
- printf(" %s=%d/", s, sa->sa_family);
-#ifdef HAVE_STRUCT_SOCKADDR_SA_LEN
- for(i = 0; i < sa->sa_len - ((long)sa->sa_data - (long)&sa->sa_family); i++)
- printf("%02x", ((unsigned char*)sa->sa_data)[i]);
-#else
- for(i = 0; i < sizeof(sa->sa_data); i++)
- printf("%02x", ((unsigned char*)sa->sa_data)[i]);
-#endif
- printf("\n");
-}
-
-void
-print_ifaddrs(struct ifaddrs *x)
-{
- struct ifaddrs *p;
-
- for(p = x; p; p = p->ifa_next) {
- printf("%s\n", p->ifa_name);
- printf(" flags=%x\n", p->ifa_flags);
- if(p->ifa_addr)
- print_addr("addr", p->ifa_addr);
- if(p->ifa_dstaddr)
- print_addr("dstaddr", p->ifa_dstaddr);
- if(p->ifa_netmask)
- print_addr("netmask", p->ifa_netmask);
- printf(" %p\n", p->ifa_data);
- }
-}
-
-int
-main()
-{
- struct ifaddrs *a = NULL, *b;
- getifaddrs2(&a, AF_INET, SIOCGIFCONF, SIOCGIFFLAGS, sizeof(struct ifreq));
- print_ifaddrs(a);
- printf("---\n");
- getifaddrs(&b);
- print_ifaddrs(b);
- return 0;
-}
-#endif
git.samba.org / kai / samba.git / commitdiff