/*
- * Copyright (c) 2006 Apple Computer, Inc. All Rights Reserved.
+ * Copyright (c) 2000-2007 Apple Inc. All rights reserved.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
- * @APPLE_LICENSE_OSREFERENCE_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.
*
- * 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
+ * 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_LICENSE_OSREFERENCE_HEADER_END@
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
* Copyright (c) 1982, 1986, 1991, 1993
#include <sys/kern_event.h>
#include <sys/syslog.h>
+#include <pexpert/pexpert.h>
+
#include <net/if.h>
#include <net/if_types.h>
#include <net/route.h>
+#include <net/kpi_protocol.h>
#include <netinet/in.h>
#include <netinet/in_var.h>
struct in_multihead in_multihead; /* XXX BSS initialization */
-extern lck_mtx_t *rt_mtx;
-
/* Track whether or not the SIOCARPIPLL ioctl has been called */
__private_extern__ u_int32_t ipv4_ll_arp_aware = 0;
+int
+inaddr_local(struct in_addr in)
+{
+ struct rtentry *rt;
+ struct sockaddr_in sin;
+ int local = 0;
+
+ sin.sin_family = AF_INET;
+ sin.sin_len = sizeof (sin);
+ sin.sin_addr = in;
+ rt = rtalloc1((struct sockaddr *)&sin, 0, 0UL);
+
+ if (rt != NULL) {
+ if (rt->rt_gateway->sa_family == AF_LINK ||
+ (rt->rt_ifp->if_flags & IFF_LOOPBACK))
+ local = 1;
+ rtfree(rt);
+ } else {
+ local = in_localaddr(in);
+ }
+ return (local);
+}
+
/*
* Return 1 if an internet address is for a ``local'' host
* (one to which we have a connection). If subnetsarelocal
* Otherwise, it includes only the directly-connected (sub)nets.
*/
int
-in_localaddr(in)
- struct in_addr in;
+in_localaddr(struct in_addr in)
{
u_long i = ntohl(in.s_addr);
struct in_ifaddr *ia;
* may be forwarded.
*/
int
-in_canforward(in)
- struct in_addr in;
+in_canforward(struct in_addr in)
{
u_long i = ntohl(in.s_addr);
u_long net;
* Trim a mask in a sockaddr
*/
static void
-in_socktrim(ap)
-struct sockaddr_in *ap;
+in_socktrim(struct sockaddr_in *ap)
{
char *cplim = (char *) &ap->sin_addr;
char *cp = (char *) (&ap->sin_addr + 1);
}
static int
-in_mask2len(mask)
- struct in_addr *mask;
+in_mask2len(struct in_addr *mask)
{
- int x, y;
+ size_t x, y;
u_char *p;
p = (u_char *)mask;
}
static void
-in_len2mask(mask, len)
- struct in_addr *mask;
- int len;
+in_len2mask(struct in_addr *mask, int len)
{
int i;
u_char *p;
/*
* Generic internet control operations (ioctl's).
* Ifp is 0 if not an interface-specific ioctl.
+ *
+ * Returns: 0 Success
+ * EINVAL
+ * EADDRNOTAVAIL
+ * EDESTADDRREQ
+ * EPERM
+ * ENOBUFS
+ * EBUSY
+ * EOPNOTSUPP
+ * proc_suser:EPERM
+ * suser:EPERM
+ * in_lifaddr_ioctl:???
+ * dlil_ioctl:???
+ * in_ifinit:???
+ * dlil_plumb_protocol:???
+ * dlil_unplumb_protocol:???
*/
/* ARGSUSED */
int
struct proc *p)
{
struct ifreq *ifr = (struct ifreq *)data;
- struct in_ifaddr *ia = 0, *iap;
+ struct in_ifaddr *ia = NULL, *iap;
struct ifaddr *ifa;
- struct in_ifaddr *oia;
struct in_aliasreq *ifra = (struct in_aliasreq *)data;
struct sockaddr_in oldaddr;
- int error, hostIsNew, maskIsNew;
- u_long i;
+ int error = 0;
+ int hostIsNew, maskIsNew;
struct kev_msg ev_msg;
struct kev_in_data in_event_data;
break;
}
}
+ /* take a reference on ia before releasing mutex */
+ if (ia != NULL) {
+ ifaref(&ia->ia_ifa);
+ }
lck_mtx_unlock(rt_mtx);
}
switch (cmd) {
case SIOCAUTOADDR:
case SIOCARPIPLL:
- if (p && (error = proc_suser(p)) != 0)
- return error;
+ if (p && (error = proc_suser(p)) != 0) {
+ goto done;
+ }
+ if (ifp == 0) {
+ error = EADDRNOTAVAIL;
+ goto done;
+ }
break;
case SIOCAIFADDR:
case SIOCDIFADDR:
- if (ifp == 0)
- return (EADDRNOTAVAIL);
+ if (ifp == 0) {
+ error = EADDRNOTAVAIL;
+ goto done;
+ }
if (ifra->ifra_addr.sin_family == AF_INET) {
+ struct in_ifaddr *oia;
+
lck_mtx_lock(rt_mtx);
for (oia = ia; ia; ia = ia->ia_link.tqe_next) {
if (ia->ia_ifp == ifp &&
ifra->ifra_addr.sin_addr.s_addr)
break;
}
+ /* take a reference on ia before releasing mutex */
+ if (ia != NULL && ia != oia) {
+ ifaref(&ia->ia_ifa);
+ }
lck_mtx_unlock(rt_mtx);
+ if (oia != NULL && oia != ia) {
+ ifafree(&oia->ia_ifa);
+ }
if ((ifp->if_flags & IFF_POINTOPOINT)
&& (cmd == SIOCAIFADDR)
&& (ifra->ifra_dstaddr.sin_addr.s_addr
== INADDR_ANY)) {
- return EDESTADDRREQ;
+ error = EDESTADDRREQ;
+ goto done;
}
}
- else if (cmd == SIOCAIFADDR)
- return (EINVAL);
- if (cmd == SIOCDIFADDR && ia == 0)
- return (EADDRNOTAVAIL);
+ else if (cmd == SIOCAIFADDR) {
+ error = EINVAL;
+ goto done;
+ }
+ if (cmd == SIOCDIFADDR && ia == 0) {
+ error = EADDRNOTAVAIL;
+ goto done;
+ }
/* FALLTHROUGH */
case SIOCSIFADDR:
case SIOCSIFNETMASK:
case SIOCSIFDSTADDR:
- if ((so->so_state & SS_PRIV) == 0)
- return (EPERM);
-
- if (ifp == 0)
- return (EADDRNOTAVAIL);
- if (ifra->ifra_addr.sin_family != AF_INET && cmd == SIOCSIFADDR)
- return (EINVAL);
+ if ((so->so_state & SS_PRIV) == 0) {
+ error = EPERM;
+ goto done;
+ }
+ if (ifp == 0) {
+ error = EADDRNOTAVAIL;
+ goto done;
+ }
+ if (ifra->ifra_addr.sin_family != AF_INET
+ && cmd == SIOCSIFADDR) {
+ error = EINVAL;
+ goto done;
+ }
if (ia == (struct in_ifaddr *)0) {
ia = (struct in_ifaddr *)
_MALLOC(sizeof *ia, M_IFADDR, M_WAITOK);
- if (ia == (struct in_ifaddr *)NULL)
- return (ENOBUFS);
+ if (ia == (struct in_ifaddr *)NULL) {
+ error = ENOBUFS;
+ goto done;
+ }
bzero((caddr_t)ia, sizeof *ia);
/*
* Protect from ipintr() traversing address list
ifa = &ia->ia_ifa;
+ ia->ia_addr.sin_family = AF_INET;
+ ia->ia_addr.sin_len = sizeof (ia->ia_addr);
ifa->ifa_addr = (struct sockaddr *)&ia->ia_addr;
ifa->ifa_dstaddr = (struct sockaddr *)&ia->ia_dstaddr;
ifa->ifa_netmask = (struct sockaddr *)&ia->ia_sockmask;
ifnet_lock_done(ifp);
lck_mtx_lock(rt_mtx);
+ ifaref(&ia->ia_ifa);
TAILQ_INSERT_TAIL(&in_ifaddrhead, ia, ia_link);
lck_mtx_unlock(rt_mtx);
/* Generic protocol plumbing */
- if (error = dlil_plumb_protocol(PF_INET, ifp)) {
- kprintf("in.c: warning can't plumb proto if=%s%n type %d error=%d\n",
- ifp->if_name, ifp->if_unit, ifp->if_type, error);
+ if ((error = proto_plumb(PF_INET, ifp))) {
+ if (error != EEXIST) {
+ kprintf("in.c: warning can't plumb proto if=%s%d type %d error=%d\n",
+ ifp->if_name, ifp->if_unit, ifp->if_type, error);
+ }
error = 0; /*discard error, can be cold with unsupported interfaces */
}
case SIOCPROTOATTACH:
case SIOCPROTODETACH:
- if (p && (error = proc_suser(p)) != 0)
- return error;
- if (ifp == 0)
- return (EADDRNOTAVAIL);
+ if (p && (error = proc_suser(p)) != 0) {
+ goto done;
+ }
+ if (ifp == 0) {
+ error = EADDRNOTAVAIL;
+ goto done;
+ }
break;
case SIOCSIFBRDADDR:
#ifdef __APPLE__
- if ((so->so_state & SS_PRIV) == 0)
- return (EPERM);
+ if ((so->so_state & SS_PRIV) == 0) {
+ error = EPERM;
+ goto done;
+ }
#else
- if (p && (error = suser(p)) != 0)
- return error;
+ if (p && (error = suser(p)) != 0) {
+ goto done;
+ }
#endif
/* FALLTHROUGH */
case SIOCGIFNETMASK:
case SIOCGIFDSTADDR:
case SIOCGIFBRDADDR:
- if (ia == (struct in_ifaddr *)0)
- return (EADDRNOTAVAIL);
+ if (ia == (struct in_ifaddr *)0) {
+ error = EADDRNOTAVAIL;
+ goto done;
+ }
break;
}
switch (cmd) {
case SIOCAUTOADDR:
- if (ifp == 0)
- return (EADDRNOTAVAIL);
ifnet_lock_exclusive(ifp);
if (ifr->ifr_intval)
ifp->if_eflags |= IFEF_AUTOCONFIGURING;
break;
case SIOCARPIPLL:
- if (ifp == 0)
- return (EADDRNOTAVAIL);
ipv4_ll_arp_aware = 1;
ifnet_lock_exclusive(ifp);
if (ifr->ifr_data)
break;
case SIOCGIFBRDADDR:
- if ((ifp->if_flags & IFF_BROADCAST) == 0)
- return (EINVAL);
+ if ((ifp->if_flags & IFF_BROADCAST) == 0) {
+ error = EINVAL;
+ break;
+ }
*((struct sockaddr_in *)&ifr->ifr_dstaddr) = ia->ia_broadaddr;
break;
case SIOCGIFDSTADDR:
- if ((ifp->if_flags & IFF_POINTOPOINT) == 0)
- return (EINVAL);
+ if ((ifp->if_flags & IFF_POINTOPOINT) == 0) {
+ error = EINVAL;
+ break;
+ }
*((struct sockaddr_in *)&ifr->ifr_dstaddr) = ia->ia_dstaddr;
break;
break;
case SIOCSIFDSTADDR:
- if ((ifp->if_flags & IFF_POINTOPOINT) == 0)
- return (EINVAL);
+ if ((ifp->if_flags & IFF_POINTOPOINT) == 0) {
+ error = EINVAL;
+ break;
+ }
oldaddr = ia->ia_dstaddr;
ia->ia_dstaddr = *(struct sockaddr_in *)&ifr->ifr_dstaddr;
- error = dlil_ioctl(PF_INET, ifp, SIOCSIFDSTADDR, (caddr_t)ia);
- if (error == EOPNOTSUPP)
- error = 0;
-
+ error = ifnet_ioctl(ifp, PF_INET, SIOCSIFDSTADDR, ia);
+ if (error == EOPNOTSUPP) {
+ error = 0;
+ }
if (error) {
- ia->ia_dstaddr = oldaddr;
- return error;
+ ia->ia_dstaddr = oldaddr;
+ break;
}
ev_msg.vendor_code = KEV_VENDOR_APPLE;
break;
case SIOCSIFBRDADDR:
- if ((ifp->if_flags & IFF_BROADCAST) == 0)
- return (EINVAL);
+ if ((ifp->if_flags & IFF_BROADCAST) == 0) {
+ error = EINVAL;
+ break;
+ }
ia->ia_broadaddr = *(struct sockaddr_in *)&ifr->ifr_broadaddr;
ev_msg.vendor_code = KEV_VENDOR_APPLE;
break;
case SIOCSIFADDR:
- return (in_ifinit(ifp, ia,
- (struct sockaddr_in *) &ifr->ifr_addr, 1));
+ error = in_ifinit(ifp, ia, (struct sockaddr_in *) &ifr->ifr_addr, 1);
+ break;
case SIOCPROTOATTACH:
- error = dlil_plumb_protocol(PF_INET, ifp);
- if (error)
- return(error);
- break;
+ error = proto_plumb(PF_INET, ifp);
+ break;
case SIOCPROTODETACH:
// if an ip address is still present, refuse to detach
if (ifa->ifa_addr->sa_family == AF_INET)
break;
ifnet_lock_done(ifp);
- if (ifa != 0)
- return EBUSY;
+ if (ifa != 0) {
+ error = EBUSY;
+ break;
+ }
- error = dlil_unplumb_protocol(PF_INET, ifp);
- if (error)
- return(error);
+ error = proto_unplumb(PF_INET, ifp);
break;
- case SIOCSIFNETMASK:
+ case SIOCSIFNETMASK: {
+ u_long i;
+
i = ifra->ifra_addr.sin_addr.s_addr;
ia->ia_subnetmask = ntohl(ia->ia_sockmask.sin_addr.s_addr = i);
ev_msg.vendor_code = KEV_VENDOR_APPLE;
kev_post_msg(&ev_msg);
break;
-
+ }
case SIOCAIFADDR:
maskIsNew = 0;
hostIsNew = 1;
kev_post_msg(&ev_msg);
}
-
- return (error);
+ break;
case SIOCDIFADDR:
- error = dlil_ioctl(PF_INET, ifp, SIOCDIFADDR, (caddr_t)ia);
+ error = ifnet_ioctl(ifp, PF_INET, SIOCDIFADDR, ia);
if (error == EOPNOTSUPP)
error = 0;
- if (error)
- return error;
+ if (error != 0) {
+ break;
+ }
/* Fill out the kernel event information */
ev_msg.vendor_code = KEV_VENDOR_APPLE;
*/
in_ifscrub(ifp, ia, 1);
ifa = &ia->ia_ifa;
+#if CONFIG_FORCE_OUT_IFP
+ // Cleanup any pdp hack related route
+ if (ia->ia_route)
+ {
+ ia->ia_route->rt_flags &= ~RTF_UP;
+ rtfree_locked(ia->ia_route);
+ ia->ia_route = NULL;
+ }
+#endif
lck_mtx_unlock(rt_mtx);
ifnet_lock_exclusive(ifp);
if_detach_ifa(ifp, ifa);
- ifafree(&ia->ia_ifa);
#ifdef __APPLE__
/*
*/
if (ifp->if_flags & IFF_MULTICAST) {
struct in_addr addr;
- struct in_multi *inm;
+ struct in_multi *inm = NULL;
TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link)
if (ifa->ifa_addr->sa_family == AF_INET)
/* Post the kernel event */
kev_post_msg(&ev_msg);
+
+ /*
+ * See if there is any IPV4 address left and if so,
+ * reconfigure KDP to use current primary address.
+ */
+ ifa = ifa_ifpgetprimary(ifp, AF_INET);
+ if (ifa != NULL) {
+ error = ifnet_ioctl(ifp, PF_INET, SIOCSIFADDR, ifa);
+ if (error == EOPNOTSUPP)
+ error = 0;
+
+ /* Release reference from ifa_ifpgetprimary() */
+ ifafree(ifa);
+ }
break;
#ifdef __APPLE__
#endif /* __APPLE__ */
default:
- return EOPNOTSUPP;
+ error = EOPNOTSUPP;
}
- return (0);
+ done:
+ if (ia != NULL) {
+ ifafree(&ia->ia_ifa);
+ }
+ return (error);
}
/*
case SIOCDLIFADDR:
{
struct in_ifaddr *ia;
- struct in_addr mask, candidate, match;
+ struct in_addr mask, candidate;
+ struct in_addr match = { 0 };
struct sockaddr_in *sin;
int cmp;
u_long i = ntohl(sin->sin_addr.s_addr);
struct sockaddr_in oldaddr;
int flags = RTF_UP, error;
+ struct ifaddr *ifa0;
+ unsigned int cmd;
oldaddr = ia->ia_addr;
ia->ia_addr = *sin;
/*
- * Give the interface a chance to initialize
- * if this is its first address,
- * and to validate the address if necessary.
+ * Give the interface a chance to initialize if this is its first
+ * address, and to validate the address if necessary. Send down
+ * SIOCSIFADDR for first address, and SIOCAIFADDR for alias(es).
+ * We find the first IPV4 address assigned to it and check if this
+ * is the same as the one passed into this routine.
*/
- error = dlil_ioctl(PF_INET, ifp, SIOCSIFADDR, (caddr_t)ia);
+ ifa0 = ifa_ifpgetprimary(ifp, AF_INET);
+ cmd = (&ia->ia_ifa == ifa0) ? SIOCSIFADDR : SIOCAIFADDR;
+ error = ifnet_ioctl(ifp, PF_INET, cmd, ia);
if (error == EOPNOTSUPP)
- error = 0;
+ error = 0;
+ /*
+ * If we've just sent down SIOCAIFADDR, send another ioctl down
+ * for SIOCSIFADDR for the first IPV4 address of the interface,
+ * because an address change on one of the addresses will result
+ * in the removal of the previous first IPV4 address. KDP needs
+ * be reconfigured with the current primary IPV4 address.
+ */
+ if (error == 0 && cmd == SIOCAIFADDR) {
+ error = ifnet_ioctl(ifp, PF_INET, SIOCSIFADDR, ifa0);
+ if (error == EOPNOTSUPP)
+ error = 0;
+ }
+
+ /* Release reference from ifa_ifpgetprimary() */
+ ifafree(ifa0);
+
if (error) {
ia->ia_addr = oldaddr;
return (error);
}
if (inm2 != *inm) {
lck_mtx_unlock(rt_mtx);
- printf("in_delmulti - ignorning invalid inm (0x%x)\n", *inm);
+ printf("in_delmulti - ignoring invalid inm (%p)\n", *inm);
return;
}
lck_mtx_unlock(rt_mtx);
}
#if !NFSCLIENT
+int inet_aton(char *cp, struct in_addr *pin);
int
inet_aton(char * cp, struct in_addr * pin)
{
- u_char * b = (char *)pin;
+ u_char * b = (unsigned char *)pin;
int i;
char * p;
projects / apple / xnu.git / blobdiff