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FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
| Current File : //sys/netipsec/key_debug.c |
/* $FreeBSD: release/9.1.0/sys/netipsec/key_debug.c 195699 2009-07-14 22:48:30Z rwatson $ */
/* $KAME: key_debug.c,v 1.26 2001/06/27 10:46:50 sakane Exp $ */
/*-
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
* 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 project 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 PROJECT 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 PROJECT 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 _KERNEL
#include "opt_inet.h"
#include "opt_inet6.h"
#include "opt_ipsec.h"
#endif
#include <sys/types.h>
#include <sys/param.h>
#ifdef _KERNEL
#include <sys/systm.h>
#include <sys/mbuf.h>
#include <sys/queue.h>
#endif
#include <sys/socket.h>
#include <net/route.h>
#include <net/vnet.h>
#include <netipsec/key_var.h>
#include <netipsec/key_debug.h>
#include <netinet/in.h>
#include <netipsec/ipsec.h>
#ifdef _KERNEL
#include <netipsec/keydb.h>
#endif
#ifndef _KERNEL
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#endif /* !_KERNEL */
static void kdebug_sadb_prop __P((struct sadb_ext *));
static void kdebug_sadb_identity __P((struct sadb_ext *));
static void kdebug_sadb_supported __P((struct sadb_ext *));
static void kdebug_sadb_lifetime __P((struct sadb_ext *));
static void kdebug_sadb_sa __P((struct sadb_ext *));
static void kdebug_sadb_address __P((struct sadb_ext *));
static void kdebug_sadb_key __P((struct sadb_ext *));
static void kdebug_sadb_x_sa2 __P((struct sadb_ext *));
#ifdef _KERNEL
static void kdebug_secreplay __P((struct secreplay *));
#endif
#ifndef _KERNEL
#define panic(fmt, ...) { printf(fmt, ## __VA_ARGS__); exit(-1); }
#endif
/* NOTE: host byte order */
/* %%%: about struct sadb_msg */
void
kdebug_sadb(base)
struct sadb_msg *base;
{
struct sadb_ext *ext;
int tlen, extlen;
/* sanity check */
if (base == NULL)
panic("%s: NULL pointer was passed.\n", __func__);
printf("sadb_msg{ version=%u type=%u errno=%u satype=%u\n",
base->sadb_msg_version, base->sadb_msg_type,
base->sadb_msg_errno, base->sadb_msg_satype);
printf(" len=%u reserved=%u seq=%u pid=%u\n",
base->sadb_msg_len, base->sadb_msg_reserved,
base->sadb_msg_seq, base->sadb_msg_pid);
tlen = PFKEY_UNUNIT64(base->sadb_msg_len) - sizeof(struct sadb_msg);
ext = (struct sadb_ext *)((caddr_t)base + sizeof(struct sadb_msg));
while (tlen > 0) {
printf("sadb_ext{ len=%u type=%u }\n",
ext->sadb_ext_len, ext->sadb_ext_type);
if (ext->sadb_ext_len == 0) {
printf("%s: invalid ext_len=0 was passed.\n", __func__);
return;
}
if (ext->sadb_ext_len > tlen) {
printf("%s: ext_len too big (%u > %u).\n",
__func__, ext->sadb_ext_len, tlen);
return;
}
switch (ext->sadb_ext_type) {
case SADB_EXT_SA:
kdebug_sadb_sa(ext);
break;
case SADB_EXT_LIFETIME_CURRENT:
case SADB_EXT_LIFETIME_HARD:
case SADB_EXT_LIFETIME_SOFT:
kdebug_sadb_lifetime(ext);
break;
case SADB_EXT_ADDRESS_SRC:
case SADB_EXT_ADDRESS_DST:
case SADB_EXT_ADDRESS_PROXY:
kdebug_sadb_address(ext);
break;
case SADB_EXT_KEY_AUTH:
case SADB_EXT_KEY_ENCRYPT:
kdebug_sadb_key(ext);
break;
case SADB_EXT_IDENTITY_SRC:
case SADB_EXT_IDENTITY_DST:
kdebug_sadb_identity(ext);
break;
case SADB_EXT_SENSITIVITY:
break;
case SADB_EXT_PROPOSAL:
kdebug_sadb_prop(ext);
break;
case SADB_EXT_SUPPORTED_AUTH:
case SADB_EXT_SUPPORTED_ENCRYPT:
kdebug_sadb_supported(ext);
break;
case SADB_EXT_SPIRANGE:
case SADB_X_EXT_KMPRIVATE:
break;
case SADB_X_EXT_POLICY:
kdebug_sadb_x_policy(ext);
break;
case SADB_X_EXT_SA2:
kdebug_sadb_x_sa2(ext);
break;
default:
printf("%s: invalid ext_type %u\n", __func__,
ext->sadb_ext_type);
return;
}
extlen = PFKEY_UNUNIT64(ext->sadb_ext_len);
tlen -= extlen;
ext = (struct sadb_ext *)((caddr_t)ext + extlen);
}
return;
}
static void
kdebug_sadb_prop(ext)
struct sadb_ext *ext;
{
struct sadb_prop *prop = (struct sadb_prop *)ext;
struct sadb_comb *comb;
int len;
/* sanity check */
if (ext == NULL)
panic("%s: NULL pointer was passed.\n", __func__);
len = (PFKEY_UNUNIT64(prop->sadb_prop_len) - sizeof(*prop))
/ sizeof(*comb);
comb = (struct sadb_comb *)(prop + 1);
printf("sadb_prop{ replay=%u\n", prop->sadb_prop_replay);
while (len--) {
printf("sadb_comb{ auth=%u encrypt=%u "
"flags=0x%04x reserved=0x%08x\n",
comb->sadb_comb_auth, comb->sadb_comb_encrypt,
comb->sadb_comb_flags, comb->sadb_comb_reserved);
printf(" auth_minbits=%u auth_maxbits=%u "
"encrypt_minbits=%u encrypt_maxbits=%u\n",
comb->sadb_comb_auth_minbits,
comb->sadb_comb_auth_maxbits,
comb->sadb_comb_encrypt_minbits,
comb->sadb_comb_encrypt_maxbits);
printf(" soft_alloc=%u hard_alloc=%u "
"soft_bytes=%lu hard_bytes=%lu\n",
comb->sadb_comb_soft_allocations,
comb->sadb_comb_hard_allocations,
(unsigned long)comb->sadb_comb_soft_bytes,
(unsigned long)comb->sadb_comb_hard_bytes);
printf(" soft_alloc=%lu hard_alloc=%lu "
"soft_bytes=%lu hard_bytes=%lu }\n",
(unsigned long)comb->sadb_comb_soft_addtime,
(unsigned long)comb->sadb_comb_hard_addtime,
(unsigned long)comb->sadb_comb_soft_usetime,
(unsigned long)comb->sadb_comb_hard_usetime);
comb++;
}
printf("}\n");
return;
}
static void
kdebug_sadb_identity(ext)
struct sadb_ext *ext;
{
struct sadb_ident *id = (struct sadb_ident *)ext;
int len;
/* sanity check */
if (ext == NULL)
panic("%s: NULL pointer was passed.\n", __func__);
len = PFKEY_UNUNIT64(id->sadb_ident_len) - sizeof(*id);
printf("sadb_ident_%s{",
id->sadb_ident_exttype == SADB_EXT_IDENTITY_SRC ? "src" : "dst");
switch (id->sadb_ident_type) {
default:
printf(" type=%d id=%lu",
id->sadb_ident_type, (u_long)id->sadb_ident_id);
if (len) {
#ifdef _KERNEL
ipsec_hexdump((caddr_t)(id + 1), len); /*XXX cast ?*/
#else
char *p, *ep;
printf("\n str=\"");
p = (char *)(id + 1);
ep = p + len;
for (/*nothing*/; *p && p < ep; p++) {
if (isprint(*p))
printf("%c", *p & 0xff);
else
printf("\\%03o", *p & 0xff);
}
#endif
printf("\"");
}
break;
}
printf(" }\n");
return;
}
static void
kdebug_sadb_supported(ext)
struct sadb_ext *ext;
{
struct sadb_supported *sup = (struct sadb_supported *)ext;
struct sadb_alg *alg;
int len;
/* sanity check */
if (ext == NULL)
panic("%s: NULL pointer was passed.\n", __func__);
len = (PFKEY_UNUNIT64(sup->sadb_supported_len) - sizeof(*sup))
/ sizeof(*alg);
alg = (struct sadb_alg *)(sup + 1);
printf("sadb_sup{\n");
while (len--) {
printf(" { id=%d ivlen=%d min=%d max=%d }\n",
alg->sadb_alg_id, alg->sadb_alg_ivlen,
alg->sadb_alg_minbits, alg->sadb_alg_maxbits);
alg++;
}
printf("}\n");
return;
}
static void
kdebug_sadb_lifetime(ext)
struct sadb_ext *ext;
{
struct sadb_lifetime *lft = (struct sadb_lifetime *)ext;
/* sanity check */
if (ext == NULL)
panic("%s: NULL pointer was passed.\n", __func__);
printf("sadb_lifetime{ alloc=%u, bytes=%u\n",
lft->sadb_lifetime_allocations,
(u_int32_t)lft->sadb_lifetime_bytes);
printf(" addtime=%u, usetime=%u }\n",
(u_int32_t)lft->sadb_lifetime_addtime,
(u_int32_t)lft->sadb_lifetime_usetime);
return;
}
static void
kdebug_sadb_sa(ext)
struct sadb_ext *ext;
{
struct sadb_sa *sa = (struct sadb_sa *)ext;
/* sanity check */
if (ext == NULL)
panic("%s: NULL pointer was passed.\n", __func__);
printf("sadb_sa{ spi=%u replay=%u state=%u\n",
(u_int32_t)ntohl(sa->sadb_sa_spi), sa->sadb_sa_replay,
sa->sadb_sa_state);
printf(" auth=%u encrypt=%u flags=0x%08x }\n",
sa->sadb_sa_auth, sa->sadb_sa_encrypt, sa->sadb_sa_flags);
return;
}
static void
kdebug_sadb_address(ext)
struct sadb_ext *ext;
{
struct sadb_address *addr = (struct sadb_address *)ext;
/* sanity check */
if (ext == NULL)
panic("%s: NULL pointer was passed.\n", __func__);
printf("sadb_address{ proto=%u prefixlen=%u reserved=0x%02x%02x }\n",
addr->sadb_address_proto, addr->sadb_address_prefixlen,
((u_char *)&addr->sadb_address_reserved)[0],
((u_char *)&addr->sadb_address_reserved)[1]);
kdebug_sockaddr((struct sockaddr *)((caddr_t)ext + sizeof(*addr)));
return;
}
static void
kdebug_sadb_key(ext)
struct sadb_ext *ext;
{
struct sadb_key *key = (struct sadb_key *)ext;
/* sanity check */
if (ext == NULL)
panic("%s: NULL pointer was passed.\n", __func__);
printf("sadb_key{ bits=%u reserved=%u\n",
key->sadb_key_bits, key->sadb_key_reserved);
printf(" key=");
/* sanity check 2 */
if ((key->sadb_key_bits >> 3) >
(PFKEY_UNUNIT64(key->sadb_key_len) - sizeof(struct sadb_key))) {
printf("%s: key length mismatch, bit:%d len:%ld.\n",
__func__,
key->sadb_key_bits >> 3,
(long)PFKEY_UNUNIT64(key->sadb_key_len) - sizeof(struct sadb_key));
}
ipsec_hexdump((caddr_t)key + sizeof(struct sadb_key),
key->sadb_key_bits >> 3);
printf(" }\n");
return;
}
static void
kdebug_sadb_x_sa2(ext)
struct sadb_ext *ext;
{
struct sadb_x_sa2 *sa2 = (struct sadb_x_sa2 *)ext;
/* sanity check */
if (ext == NULL)
panic("%s: NULL pointer was passed.\n", __func__);
printf("sadb_x_sa2{ mode=%u reqid=%u\n",
sa2->sadb_x_sa2_mode, sa2->sadb_x_sa2_reqid);
printf(" reserved1=%u reserved2=%u sequence=%u }\n",
sa2->sadb_x_sa2_reserved1, sa2->sadb_x_sa2_reserved2,
sa2->sadb_x_sa2_sequence);
return;
}
void
kdebug_sadb_x_policy(ext)
struct sadb_ext *ext;
{
struct sadb_x_policy *xpl = (struct sadb_x_policy *)ext;
struct sockaddr *addr;
/* sanity check */
if (ext == NULL)
panic("%s: NULL pointer was passed.\n", __func__);
printf("sadb_x_policy{ type=%u dir=%u id=%x }\n",
xpl->sadb_x_policy_type, xpl->sadb_x_policy_dir,
xpl->sadb_x_policy_id);
if (xpl->sadb_x_policy_type == IPSEC_POLICY_IPSEC) {
int tlen;
struct sadb_x_ipsecrequest *xisr;
tlen = PFKEY_UNUNIT64(xpl->sadb_x_policy_len) - sizeof(*xpl);
xisr = (struct sadb_x_ipsecrequest *)(xpl + 1);
while (tlen > 0) {
printf(" { len=%u proto=%u mode=%u level=%u reqid=%u\n",
xisr->sadb_x_ipsecrequest_len,
xisr->sadb_x_ipsecrequest_proto,
xisr->sadb_x_ipsecrequest_mode,
xisr->sadb_x_ipsecrequest_level,
xisr->sadb_x_ipsecrequest_reqid);
if (xisr->sadb_x_ipsecrequest_len > sizeof(*xisr)) {
addr = (struct sockaddr *)(xisr + 1);
kdebug_sockaddr(addr);
addr = (struct sockaddr *)((caddr_t)addr
+ addr->sa_len);
kdebug_sockaddr(addr);
}
printf(" }\n");
/* prevent infinite loop */
if (xisr->sadb_x_ipsecrequest_len <= 0) {
printf("%s: wrong policy struct.\n", __func__);
return;
}
/* prevent overflow */
if (xisr->sadb_x_ipsecrequest_len > tlen) {
printf("%s: invalid ipsec policy length "
"(%u > %u)\n", __func__,
xisr->sadb_x_ipsecrequest_len, tlen);
return;
}
tlen -= xisr->sadb_x_ipsecrequest_len;
xisr = (struct sadb_x_ipsecrequest *)((caddr_t)xisr
+ xisr->sadb_x_ipsecrequest_len);
}
if (tlen != 0)
panic("%s: wrong policy struct.\n", __func__);
}
return;
}
#ifdef _KERNEL
/* %%%: about SPD and SAD */
void
kdebug_secpolicy(sp)
struct secpolicy *sp;
{
/* sanity check */
if (sp == NULL)
panic("%s: NULL pointer was passed.\n", __func__);
printf("secpolicy{ refcnt=%u state=%u policy=%u\n",
sp->refcnt, sp->state, sp->policy);
kdebug_secpolicyindex(&sp->spidx);
switch (sp->policy) {
case IPSEC_POLICY_DISCARD:
printf(" type=discard }\n");
break;
case IPSEC_POLICY_NONE:
printf(" type=none }\n");
break;
case IPSEC_POLICY_IPSEC:
{
struct ipsecrequest *isr;
for (isr = sp->req; isr != NULL; isr = isr->next) {
printf(" level=%u\n", isr->level);
kdebug_secasindex(&isr->saidx);
if (isr->sav != NULL)
kdebug_secasv(isr->sav);
}
printf(" }\n");
}
break;
case IPSEC_POLICY_BYPASS:
printf(" type=bypass }\n");
break;
case IPSEC_POLICY_ENTRUST:
printf(" type=entrust }\n");
break;
default:
printf("%s: Invalid policy found. %d\n", __func__, sp->policy);
break;
}
return;
}
void
kdebug_secpolicyindex(spidx)
struct secpolicyindex *spidx;
{
/* sanity check */
if (spidx == NULL)
panic("%s: NULL pointer was passed.\n", __func__);
printf("secpolicyindex{ dir=%u prefs=%u prefd=%u ul_proto=%u\n",
spidx->dir, spidx->prefs, spidx->prefd, spidx->ul_proto);
ipsec_hexdump((caddr_t)&spidx->src,
((struct sockaddr *)&spidx->src)->sa_len);
printf("\n");
ipsec_hexdump((caddr_t)&spidx->dst,
((struct sockaddr *)&spidx->dst)->sa_len);
printf("}\n");
return;
}
void
kdebug_secasindex(saidx)
struct secasindex *saidx;
{
/* sanity check */
if (saidx == NULL)
panic("%s: NULL pointer was passed.\n", __func__);
printf("secasindex{ mode=%u proto=%u\n",
saidx->mode, saidx->proto);
ipsec_hexdump((caddr_t)&saidx->src,
((struct sockaddr *)&saidx->src)->sa_len);
printf("\n");
ipsec_hexdump((caddr_t)&saidx->dst,
((struct sockaddr *)&saidx->dst)->sa_len);
printf("\n");
return;
}
static void
kdebug_sec_lifetime(struct seclifetime *lft)
{
/* sanity check */
if (lft == NULL)
panic("%s: NULL pointer was passed.\n", __func__);
printf("sec_lifetime{ alloc=%u, bytes=%u\n",
lft->allocations, (u_int32_t)lft->bytes);
printf(" addtime=%u, usetime=%u }\n",
(u_int32_t)lft->addtime, (u_int32_t)lft->usetime);
return;
}
void
kdebug_secasv(sav)
struct secasvar *sav;
{
/* sanity check */
if (sav == NULL)
panic("%s: NULL pointer was passed.\n", __func__);
printf("secas{");
kdebug_secasindex(&sav->sah->saidx);
printf(" refcnt=%u state=%u auth=%u enc=%u\n",
sav->refcnt, sav->state, sav->alg_auth, sav->alg_enc);
printf(" spi=%u flags=%u\n",
(u_int32_t)ntohl(sav->spi), sav->flags);
if (sav->key_auth != NULL)
kdebug_sadb_key((struct sadb_ext *)sav->key_auth);
if (sav->key_enc != NULL)
kdebug_sadb_key((struct sadb_ext *)sav->key_enc);
if (sav->iv != NULL) {
printf(" iv=");
ipsec_hexdump(sav->iv, sav->ivlen ? sav->ivlen : 8);
printf("\n");
}
if (sav->replay != NULL)
kdebug_secreplay(sav->replay);
if (sav->lft_c != NULL)
kdebug_sec_lifetime(sav->lft_c);
if (sav->lft_h != NULL)
kdebug_sec_lifetime(sav->lft_h);
if (sav->lft_s != NULL)
kdebug_sec_lifetime(sav->lft_s);
#ifdef notyet
/* XXX: misc[123] ? */
#endif
return;
}
static void
kdebug_secreplay(rpl)
struct secreplay *rpl;
{
int len, l;
/* sanity check */
if (rpl == NULL)
panic("%s: NULL pointer was passed.\n", __func__);
printf(" secreplay{ count=%u wsize=%u seq=%u lastseq=%u",
rpl->count, rpl->wsize, rpl->seq, rpl->lastseq);
if (rpl->bitmap == NULL) {
printf(" }\n");
return;
}
printf("\n bitmap { ");
for (len = 0; len < rpl->wsize; len++) {
for (l = 7; l >= 0; l--)
printf("%u", (((rpl->bitmap)[len] >> l) & 1) ? 1 : 0);
}
printf(" }\n");
return;
}
void
kdebug_mbufhdr(m)
struct mbuf *m;
{
/* sanity check */
if (m == NULL)
return;
printf("mbuf(%p){ m_next:%p m_nextpkt:%p m_data:%p "
"m_len:%d m_type:0x%02x m_flags:0x%02x }\n",
m, m->m_next, m->m_nextpkt, m->m_data,
m->m_len, m->m_type, m->m_flags);
if (m->m_flags & M_PKTHDR) {
printf(" m_pkthdr{ len:%d rcvif:%p }\n",
m->m_pkthdr.len, m->m_pkthdr.rcvif);
}
if (m->m_flags & M_EXT) {
printf(" m_ext{ ext_buf:%p ext_free:%p "
"ext_size:%u ref_cnt:%p }\n",
m->m_ext.ext_buf, m->m_ext.ext_free,
m->m_ext.ext_size, m->m_ext.ref_cnt);
}
return;
}
void
kdebug_mbuf(m0)
struct mbuf *m0;
{
struct mbuf *m = m0;
int i, j;
for (j = 0; m; m = m->m_next) {
kdebug_mbufhdr(m);
printf(" m_data:\n");
for (i = 0; i < m->m_len; i++) {
if (i && i % 32 == 0)
printf("\n");
if (i % 4 == 0)
printf(" ");
printf("%02x", mtod(m, u_char *)[i]);
j++;
}
printf("\n");
}
return;
}
#endif /* _KERNEL */
void
kdebug_sockaddr(addr)
struct sockaddr *addr;
{
struct sockaddr_in *sin4;
#ifdef INET6
struct sockaddr_in6 *sin6;
#endif
/* sanity check */
if (addr == NULL)
panic("%s: NULL pointer was passed.\n", __func__);
/* NOTE: We deal with port number as host byte order. */
printf("sockaddr{ len=%u family=%u", addr->sa_len, addr->sa_family);
switch (addr->sa_family) {
case AF_INET:
sin4 = (struct sockaddr_in *)addr;
printf(" port=%u\n", ntohs(sin4->sin_port));
ipsec_hexdump((caddr_t)&sin4->sin_addr, sizeof(sin4->sin_addr));
break;
#ifdef INET6
case AF_INET6:
sin6 = (struct sockaddr_in6 *)addr;
printf(" port=%u\n", ntohs(sin6->sin6_port));
printf(" flowinfo=0x%08x, scope_id=0x%08x\n",
sin6->sin6_flowinfo, sin6->sin6_scope_id);
ipsec_hexdump((caddr_t)&sin6->sin6_addr,
sizeof(sin6->sin6_addr));
break;
#endif
}
printf(" }\n");
return;
}
void
ipsec_bindump(buf, len)
caddr_t buf;
int len;
{
int i;
for (i = 0; i < len; i++)
printf("%c", (unsigned char)buf[i]);
return;
}
void
ipsec_hexdump(buf, len)
caddr_t buf;
int len;
{
int i;
for (i = 0; i < len; i++) {
if (i != 0 && i % 32 == 0) printf("\n");
if (i % 4 == 0) printf(" ");
printf("%02x", (unsigned char)buf[i]);
}
#if 0
if (i % 32 != 0) printf("\n");
#endif
return;
}