1 /* $FreeBSD: src/sys/netkey/keydb.c,v 1.1.2.1 2000/07/15 07:14:42 kris Exp $ */
2 /* $DragonFly: src/sys/netproto/key/keydb.c,v 1.8 2006/01/14 13:36:40 swildner Exp $ */
3 /* $KAME: keydb.c,v 1.64 2000/05/11 17:02:30 itojun Exp $ */
6 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the project nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 #include "opt_inet6.h"
37 #include <sys/param.h>
38 #include <sys/types.h>
39 #include <sys/socket.h>
40 #include <sys/param.h>
41 #include <sys/systm.h>
42 #include <sys/kernel.h>
43 #include <sys/malloc.h>
44 #include <sys/errno.h>
45 #include <sys/queue.h>
46 #include <sys/thread2.h>
49 #include <net/route.h>
51 #include <netinet/in.h>
53 #include <net/pfkeyv2.h>
55 #include <netinet6/ipsec.h>
57 #include <net/net_osdep.h>
59 MALLOC_DEFINE(M_SECA, "key mgmt", "security associations, key management");
61 static void keydb_delsecasvar (struct secasvar *);
64 * secpolicy management
67 keydb_newsecpolicy(void)
71 p = malloc(sizeof(*p), M_SECA, M_INTWAIT | M_NULLOK);
79 keydb_delsecpolicy(struct secpolicy *p)
86 * secashead management
89 keydb_newsecashead(void)
94 p = malloc(sizeof(*p), M_SECA, M_INTWAIT | M_NULLOK);
98 for (i = 0; i < sizeof(p->savtree)/sizeof(p->savtree[0]); i++)
99 LIST_INIT(&p->savtree[i]);
104 keydb_delsecashead(struct secashead *p)
111 * secasvar management (reference counted)
114 keydb_newsecasvar(void)
118 p = malloc(sizeof(*p), M_SECA, M_INTWAIT | M_NULLOK);
121 bzero(p, sizeof(*p));
127 keydb_refsecasvar(struct secasvar *p)
135 keydb_freesecasvar(struct secasvar *p)
139 /* negative refcnt will cause panic intentionally */
141 keydb_delsecasvar(p);
146 keydb_delsecasvar(struct secasvar *p)
150 panic("keydb_delsecasvar called with refcnt != 0");
156 * secreplay management
159 keydb_newsecreplay(size_t wsize)
163 p = malloc(sizeof(*p), M_SECA, M_INTWAIT | M_NULLOK);
167 bzero(p, sizeof(*p));
169 p->bitmap = (caddr_t)malloc(wsize, M_SECA, M_INTWAIT | M_NULLOK);
174 bzero(p->bitmap, wsize);
181 keydb_delsecreplay(struct secreplay *p)
185 free(p->bitmap, M_SECA);
193 keydb_newsecreg(void)
197 p = malloc(sizeof(*p), M_SECA, M_INTWAIT | M_ZERO | M_NULLOK);
202 keydb_delsecreg(struct secreg *p)