+/*
+ * Copyright (c) 2003-2007 Apple Inc. All rights reserved.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
+ *
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ *
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
+ */
/* $FreeBSD: src/sys/netinet6/in6_ifattach.c,v 1.8 2002/04/19 04:46:22 suz Exp $ */
/* $KAME: in6_ifattach.c,v 1.118 2001/05/24 07:44:00 itojun Exp $ */
#include <sys/sockio.h>
#include <sys/kernel.h>
#include <sys/syslog.h>
-#include <sys/md5.h>
+#include <libkern/crypto/md5.h>
+#include <libkern/OSAtomic.h>
#include <kern/lock.h>
#include <net/if.h>
#include <net/if_dl.h>
#include <net/if_types.h>
#include <net/route.h>
+#include <net/kpi_protocol.h>
#include <netinet/in.h>
#include <netinet/in_var.h>
int ip6_auto_linklocal = 1; /* enable by default */
#endif
+int loopattach6_done = 0;
extern struct inpcbinfo udbinfo;
extern struct inpcbinfo ripcbinfo;
-extern lck_mtx_t *rt_mtx;
static int get_rand_ifid(struct ifnet *, struct in6_addr *);
static int generate_tmp_ifid(u_int8_t *, const u_int8_t *, u_int8_t *);
*/
static int
get_rand_ifid(
- struct ifnet *ifp,
+ __unused struct ifnet *ifp,
struct in6_addr *in6) /* upper 64bits are preserved */
{
MD5_CTX ctxt;
u_int8_t digest[16];
- int hostnamelen = strlen(hostname);
+ int len = strlen(hostname);
#if 0
/* we need at least several letters as seed for ifid */
- if (hostnamelen < 3)
+ if (len < 3)
return -1;
#endif
/* generate 8 bytes of pseudo-random value. */
bzero(&ctxt, sizeof(ctxt));
MD5Init(&ctxt);
- MD5Update(&ctxt, hostname, hostnamelen);
+ MD5Update(&ctxt, hostname, len);
MD5Final(digest, &ctxt);
/* assumes sizeof(digest) > sizeof(ifid) */
found:
ifnet_lock_done(ifp);
- addr = LLADDR(sdl);
+ addr = (u_int8_t *) LLADDR(sdl);
addrlen = sdl->sdl_alen;
/* get EUI64 */
{
struct in6_ifaddr *ia;
struct in6_aliasreq ifra;
- struct nd_prefix pr0;
+ struct nd_prefix pr0, *pr;
int i, error;
/*
*/
bzero(&ifra, sizeof(ifra));
- dlil_plumb_protocol(PF_INET6, ifp);
+ proto_plumb(PF_INET6, ifp);
/*
* in6_update_ifa() does not use ifra_name, but we accurately set it
* address, and then reconfigure another one, the prefix is still
* valid with referring to the old link-local address.
*/
- if (nd6_prefix_lookup(&pr0) == NULL) {
- if ((error = nd6_prelist_add(&pr0, NULL, NULL)) != 0)
+ if ((pr = nd6_prefix_lookup(&pr0)) == NULL) {
+ if ((error = nd6_prelist_add(&pr0, NULL, &pr)) != 0)
return(error);
}
in6_post_msg(ifp, KEV_INET6_NEW_LL_ADDR, ia);
+
+ /* Drop use count held above during lookup/add */
+ if (pr != NULL)
+ ndpr_rele(pr, FALSE);
+
return 0;
}
l = p - name;
strncpy(n, name, l);
n[(int)l] = '\0';
- for (q = n; *q; q++) {
+ for (q = (u_char *) n; *q; q++) {
if ('A' <= *q && *q <= 'Z')
*q = *q - 'A' + 'a';
}
*/
if ((ifp->if_flags & IFF_LOOPBACK) != 0) {
struct in6_ifaddr *ia6 = NULL;
- in6 = in6addr_loopback;
- if ((ia6 = in6ifa_ifpwithaddr(ifp, &in6)) == NULL) {
- if (in6_ifattach_loopback(ifp) != 0)
- return;
- }
- else {
- ifafree(&ia6->ia_ifa);
+ if (!OSCompareAndSwap(0, 1, (UInt32 *)&loopattach6_done)) {
+ in6 = in6addr_loopback;
+ if ((ia6 = in6ifa_ifpwithaddr(ifp, &in6)) == NULL) {
+ if (in6_ifattach_loopback(ifp) != 0) {
+ OSCompareAndSwap(1, 0, (UInt32 *)&loopattach6_done);
+ return;
+ }
+ }
+ else {
+ ifafree(&ia6->ia_ifa);
+ }
}
}
struct rtentry *rt;
short rtflags;
struct sockaddr_in6 sin6;
- struct in6_multi *in6m;
- struct in6_multi *in6m_next;
/* nuke prefix list. this may try to remove some of ifaddrs as well */
in6_purgeprefix(ifp);
/* remove from the routing table */
lck_mtx_lock(rt_mtx);
- if ((ia->ia_flags & IFA_ROUTE)
- && (rt = rtalloc1_locked((struct sockaddr *)&ia->ia_addr, 0, 0UL))) {
+ if ((ia->ia_flags & IFA_ROUTE) &&
+ (rt = rtalloc1_locked((struct sockaddr *)&ia->ia_addr, 0, 0UL))) {
rtflags = rt->rt_flags;
rtfree_locked(rt);
rtrequest_locked(RTM_DELETE,
sin6.sin6_addr.s6_addr16[1] = htons(ifp->if_index);
lck_mtx_lock(rt_mtx);
rt = rtalloc1_locked((struct sockaddr *)&sin6, 0, 0UL);
- if (rt && rt->rt_ifp == ifp) {
- rtrequest_locked(RTM_DELETE, (struct sockaddr *)rt_key(rt),
- rt->rt_gateway, rt_mask(rt), rt->rt_flags, 0);
+ if (rt != NULL) {
+ if (rt->rt_ifp == ifp) {
+ rtrequest_locked(RTM_DELETE, (struct sockaddr *)rt_key(rt),
+ rt->rt_gateway, rt_mask(rt), rt->rt_flags, 0);
+ }
rtfree_locked(rt);
}
lck_mtx_unlock(rt_mtx);
}
extern size_t nd_ifinfo_indexlim;
-extern int ip6_use_tempaddr;
void
in6_tmpaddrtimer(
- void *ignored_arg)
+ __unused void *ignored_arg)
{
int i;
struct nd_ifinfo *ndi;
u_int8_t nullbuf[8];
- int s = splnet();
timeout(in6_tmpaddrtimer, (caddr_t)0,
(ip6_temp_preferred_lifetime - ip6_desync_factor -
}
}
}
-
- splx(s);
}
projects / apple / xnu.git / blobdiff