+/*
+ * Copyright (c) 2019 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@
+ */
+
/* $KAME: keysock.c,v 1.13 2000/03/25 07:24:13 sumikawa Exp $ */
/*
#include <sys/kernel.h>
#include <sys/sysctl.h>
#include <sys/mbuf.h>
+#include <sys/mcache.h>
#include <sys/malloc.h>
#include <sys/socket.h>
#include <sys/socketvar.h>
#include <netkey/key_debug.h>
extern lck_mtx_t *raw_mtx;
-extern lck_mtx_t *sadb_mutex;
-extern void key_init(void);
+extern void key_init(struct protosw *, struct domain *);
-struct sockaddr key_dst = { 2, PF_KEY, };
-struct sockaddr key_src = { 2, PF_KEY, };
+struct sockaddr key_dst = { .sa_len = 2, .sa_family = PF_KEY, .sa_data = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, } };
+struct sockaddr key_src = { .sa_len = 2, .sa_family = PF_KEY, .sa_data = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, } };
+static void key_dinit(struct domain *);
static int key_sendup0(struct rawcb *, struct mbuf *, int);
struct pfkeystat pfkeystat;
+static struct domain *keydomain = NULL;
+
+extern lck_mtx_t *pfkey_stat_mutex;
+
/*
* key_output()
*/
key_output(struct mbuf *m, ...)
#else
key_output(m, va_alist)
- struct mbuf *m;
- va_dcl
+struct mbuf *m;
+va_dcl
#endif
#endif
{
va_end(ap);
#endif
- if (m == 0)
+ if (m == 0) {
panic("key_output: NULL pointer was passed.\n");
+ }
socket_unlock(so, 0);
- lck_mtx_lock(sadb_mutex);
+ lck_mtx_lock(pfkey_stat_mutex);
pfkeystat.out_total++;
pfkeystat.out_bytes += m->m_pkthdr.len;
+ lck_mtx_unlock(pfkey_stat_mutex);
len = m->m_pkthdr.len;
if (len < sizeof(struct sadb_msg)) {
#if IPSEC_DEBUG
printf("key_output: Invalid message length.\n");
#endif
- pfkeystat.out_tooshort++;
+ PFKEY_STAT_INCREMENT(pfkeystat.out_tooshort);
error = EINVAL;
goto end;
}
#if IPSEC_DEBUG
printf("key_output: can't pullup mbuf\n");
#endif
- pfkeystat.out_nomem++;
+ PFKEY_STAT_INCREMENT(pfkeystat.out_nomem);
error = ENOBUFS;
goto end;
}
}
- if ((m->m_flags & M_PKTHDR) == 0)
+ if ((m->m_flags & M_PKTHDR) == 0) {
panic("key_output: not M_PKTHDR ??");
+ }
#if IPSEC_DEBUG
KEYDEBUG(KEYDEBUG_KEY_DUMP, kdebug_mbuf(m));
#endif /* defined(IPSEC_DEBUG) */
msg = mtod(m, struct sadb_msg *);
- pfkeystat.out_msgtype[msg->sadb_msg_type]++;
+ PFKEY_STAT_INCREMENT(pfkeystat.out_msgtype[msg->sadb_msg_type]);
if (len != PFKEY_UNUNIT64(msg->sadb_msg_len)) {
#if IPSEC_DEBUG
printf("key_output: Invalid message length.\n");
#endif
- pfkeystat.out_invlen++;
+ PFKEY_STAT_INCREMENT(pfkeystat.out_invlen);
error = EINVAL;
goto end;
}
m = NULL;
end:
- if (m)
+ if (m) {
m_freem(m);
- lck_mtx_unlock(sadb_mutex);
+ }
socket_lock(so, 0);
return error;
}
* send message to the socket.
*/
static int
-key_sendup0(rp, m, promisc)
- struct rawcb *rp;
- struct mbuf *m;
- int promisc;
+key_sendup0(struct rawcb *rp, struct mbuf *m, int promisc)
{
int error;
- lck_mtx_assert(sadb_mutex, LCK_MTX_ASSERT_OWNED);
if (promisc) {
struct sadb_msg *pmsg;
- M_PREPEND(m, sizeof(struct sadb_msg), M_NOWAIT);
- if (m && m->m_len < sizeof(struct sadb_msg))
+ M_PREPEND(m, sizeof(struct sadb_msg), M_NOWAIT, 1);
+ if (m && m->m_len < sizeof(struct sadb_msg)) {
m = m_pullup(m, sizeof(struct sadb_msg));
+ }
if (!m) {
#if IPSEC_DEBUG
printf("key_sendup0: cannot pullup\n");
#endif
- pfkeystat.in_nomem++;
+ PFKEY_STAT_INCREMENT(pfkeystat.in_nomem);
m_freem(m);
return ENOBUFS;
}
m->m_pkthdr.len += sizeof(*pmsg);
+ VERIFY(PFKEY_UNIT64(m->m_pkthdr.len) <= UINT16_MAX);
pmsg = mtod(m, struct sadb_msg *);
bzero(pmsg, sizeof(*pmsg));
pmsg->sadb_msg_version = PF_KEY_V2;
pmsg->sadb_msg_type = SADB_X_PROMISC;
- pmsg->sadb_msg_len = PFKEY_UNIT64(m->m_pkthdr.len);
+ pmsg->sadb_msg_len = (u_int16_t)PFKEY_UNIT64(m->m_pkthdr.len);
/* pid and seq? */
- pfkeystat.in_msgtype[pmsg->sadb_msg_type]++;
+ PFKEY_STAT_INCREMENT(pfkeystat.in_msgtype[pmsg->sadb_msg_type]);
}
if (!sbappendaddr(&rp->rcb_socket->so_rcv, (struct sockaddr *)&key_src,
#if IPSEC_DEBUG
printf("key_sendup0: sbappendaddr failed\n");
#endif
- pfkeystat.in_nomem++;
- }
- else {
+ PFKEY_STAT_INCREMENT(pfkeystat.in_nomem);
+ } else {
sorwakeup(rp->rcb_socket);
}
return error;
/* so can be NULL if target != KEY_SENDUP_ONE */
int
-key_sendup_mbuf(so, m, target)
- struct socket *so;
- struct mbuf *m;
- int target;
+key_sendup_mbuf(struct socket *so, struct mbuf *m, int target)
{
struct mbuf *n;
struct keycb *kp;
struct rawcb *rp;
int error = 0;
- lck_mtx_assert(sadb_mutex, LCK_MTX_ASSERT_OWNED);
- if (m == NULL)
+ if (m == NULL) {
panic("key_sendup_mbuf: NULL pointer was passed.\n");
- if (so == NULL && target == KEY_SENDUP_ONE)
+ }
+ if (so == NULL && target == KEY_SENDUP_ONE) {
panic("key_sendup_mbuf: NULL pointer was passed.\n");
+ }
+ lck_mtx_lock(pfkey_stat_mutex);
pfkeystat.in_total++;
pfkeystat.in_bytes += m->m_pkthdr.len;
+ lck_mtx_unlock(pfkey_stat_mutex);
if (m->m_len < sizeof(struct sadb_msg)) {
#if 1
m = m_pullup(m, sizeof(struct sadb_msg));
if (m == NULL) {
- pfkeystat.in_nomem++;
+ PFKEY_STAT_INCREMENT(pfkeystat.in_nomem);
return ENOBUFS;
}
#else
if (m->m_len >= sizeof(struct sadb_msg)) {
struct sadb_msg *msg;
msg = mtod(m, struct sadb_msg *);
- pfkeystat.in_msgtype[msg->sadb_msg_type]++;
+ PFKEY_STAT_INCREMENT(pfkeystat.in_msgtype[msg->sadb_msg_type]);
}
-
+
lck_mtx_lock(raw_mtx);
LIST_FOREACH(rp, &rawcb_list, list)
{
- if (rp->rcb_proto.sp_family != PF_KEY)
+ if (rp->rcb_proto.sp_family != PF_KEY) {
continue;
+ }
if (rp->rcb_proto.sp_protocol
- && rp->rcb_proto.sp_protocol != PF_KEY_V2) {
+ && rp->rcb_proto.sp_protocol != PF_KEY_V2) {
continue;
}
kp = (struct keycb *)rp;
-
+
socket_lock(rp->rcb_socket, 1);
/*
* If you are in promiscuous mode, and when you get broadcasted
sendup++;
break;
case KEY_SENDUP_REGISTERED:
- if (kp->kp_registered)
+ if (kp->kp_registered) {
sendup++;
+ }
break;
}
- pfkeystat.in_msgtarget[target]++;
+ PFKEY_STAT_INCREMENT(pfkeystat.in_msgtarget[target]);
if (!sendup) {
socket_unlock(rp->rcb_socket, 1);
continue;
- }
- else
+ } else {
sendup = 0; // clear for next iteration
-
+ }
if ((n = m_copy(m, 0, (int)M_COPYALL)) == NULL) {
#if IPSEC_DEBUG
printf("key_sendup: m_copy fail\n");
#endif
m_freem(m);
- pfkeystat.in_nomem++;
+ PFKEY_STAT_INCREMENT(pfkeystat.in_nomem);
socket_unlock(rp->rcb_socket, 1);
lck_mtx_unlock(raw_mtx);
return ENOBUFS;
struct keycb *kp;
int error;
- if (sotorawcb(so) != 0)
- return EISCONN; /* XXX panic? */
- kp = (struct keycb *)_MALLOC(sizeof *kp, M_PCB, M_WAITOK); /* XXX */
- if (kp == 0)
+ if (sotorawcb(so) != 0) {
+ return EISCONN; /* XXX panic? */
+ }
+ kp = (struct keycb *)_MALLOC(sizeof(*kp), M_PCB,
+ M_WAITOK | M_ZERO); /* XXX */
+ if (kp == 0) {
return ENOBUFS;
- bzero(kp, sizeof *kp);
+ }
so->so_pcb = (caddr_t)kp;
kp->kp_promisc = kp->kp_registered = 0;
}
/* so is already locked when calling key_attach */
- if (kp->kp_raw.rcb_proto.sp_protocol == PF_KEY) /* XXX: AF_KEY */
+ if (kp->kp_raw.rcb_proto.sp_protocol == PF_KEY) { /* XXX: AF_KEY */
key_cb.key_count++;
+ }
key_cb.any_count++;
soisconnected(so);
so->so_options |= SO_USELOOPBACK;
int error;
if (kp != 0) {
- if (kp->kp_raw.rcb_proto.sp_protocol == PF_KEY) /* XXX: AF_KEY */
+ if (kp->kp_raw.rcb_proto.sp_protocol == PF_KEY) { /* XXX: AF_KEY */
key_cb.key_count--;
+ }
key_cb.any_count--;
socket_unlock(so, 0);
- lck_mtx_lock(sadb_mutex);
key_freereg(so);
- lck_mtx_unlock(sadb_mutex);
socket_lock(so, 0);
}
error = raw_usrreqs.pru_detach(so);
*/
static int
key_send(struct socket *so, int flags, struct mbuf *m, struct sockaddr *nam,
- struct mbuf *control, struct proc *p)
+ struct mbuf *control, struct proc *p)
{
int error;
error = raw_usrreqs.pru_send(so, flags, m, nam, control, p);
return error;
}
-struct pr_usrreqs key_usrreqs = {
- key_abort, pru_accept_notsupp, key_attach, key_bind,
- key_connect,
- pru_connect2_notsupp, pru_control_notsupp, key_detach,
- key_disconnect, pru_listen_notsupp, key_peeraddr,
- pru_rcvd_notsupp,
- pru_rcvoob_notsupp, key_send, pru_sense_null, key_shutdown,
- key_sockaddr, sosend, soreceive, pru_sopoll_notsupp
+static struct pr_usrreqs key_usrreqs = {
+ .pru_abort = key_abort,
+ .pru_attach = key_attach,
+ .pru_bind = key_bind,
+ .pru_connect = key_connect,
+ .pru_detach = key_detach,
+ .pru_disconnect = key_disconnect,
+ .pru_peeraddr = key_peeraddr,
+ .pru_send = key_send,
+ .pru_shutdown = key_shutdown,
+ .pru_sockaddr = key_sockaddr,
+ .pru_sosend = sosend,
+ .pru_soreceive = soreceive,
};
/* sysctl */
-SYSCTL_NODE(_net, PF_KEY, key, CTLFLAG_RW, 0, "Key Family");
+SYSCTL_NODE(_net, PF_KEY, key, CTLFLAG_RW | CTLFLAG_LOCKED, 0, "Key Family");
/*
* Definitions of protocols supported in the KEY domain.
*/
-extern struct domain keydomain;
+extern struct domain keydomain_s;
-struct protosw keysw[] = {
-{ SOCK_RAW, &keydomain, PF_KEY_V2, PR_ATOMIC|PR_ADDR,
- 0, key_output, raw_ctlinput, 0,
- 0,
- key_init, 0, 0, 0,
- 0,
- &key_usrreqs,
- 0, 0, 0,
-}
+static struct protosw keysw[] = {
+ {
+ .pr_type = SOCK_RAW,
+ .pr_protocol = PF_KEY_V2,
+ .pr_flags = PR_ATOMIC | PR_ADDR,
+ .pr_output = key_output,
+ .pr_ctlinput = raw_ctlinput,
+ .pr_init = key_init,
+ .pr_usrreqs = &key_usrreqs,
+ }
+};
+
+static int key_proto_count = (sizeof(keysw) / sizeof(struct protosw));
+
+struct domain keydomain_s = {
+ .dom_family = PF_KEY,
+ .dom_name = "key",
+ .dom_init = key_dinit,
+ .dom_maxrtkey = sizeof(struct key_cb),
};
-struct domain keydomain =
- { PF_KEY, "key", key_domain_init, 0, 0,
- keysw, 0,
- 0,0,
- sizeof(struct key_cb), 0
- };
+static void
+key_dinit(struct domain *dp)
+{
+ struct protosw *pr;
+ int i;
+
+ VERIFY(!(dp->dom_flags & DOM_INITIALIZED));
+ VERIFY(keydomain == NULL);
+
+ keydomain = dp;
-DOMAIN_SET(key);
+ for (i = 0, pr = &keysw[0]; i < key_proto_count; i++, pr++) {
+ net_add_proto(pr, dp, 1);
+ }
+}
projects / apple / xnu.git / blobdiff