key_debug.c

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	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("kdebug_sadb_x_sa2: NULL pointer was passed.\n");

	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("kdebug_sadb_x_policy: NULL pointer was passed.\n");

	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("kdebug_sadb_x_policy: wrong policy struct.\n");
				return;
			}
			/* prevent overflow */
			if (xisr->sadb_x_ipsecrequest_len > tlen) {
				printf("invalid ipsec policy length\n");
				return;
			}

			tlen -= xisr->sadb_x_ipsecrequest_len;

			xisr = (struct sadb_x_ipsecrequest *)((caddr_t)xisr
			                + xisr->sadb_x_ipsecrequest_len);
		}

		if (tlen != 0)
			panic("kdebug_sadb_x_policy: wrong policy struct.\n");
	}

	return;
}

#ifdef _KERNEL
/* %%%: about SPD and SAD */
void
kdebug_secpolicy(sp)
	struct secpolicy *sp;
{
	/* sanity check */
	if (sp == NULL)
		panic("kdebug_secpolicy: NULL pointer was passed.\n");

	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("kdebug_secpolicy: Invalid policy found. %d\n",
			sp->policy);
		break;
	}

	return;
}

void
kdebug_secpolicyindex(spidx)
	struct secpolicyindex *spidx;
{
	/* sanity check */
	if (spidx == NULL)
		panic("kdebug_secpolicyindex: NULL pointer was passed.\n");

	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("kdebug_secpolicyindex: NULL pointer was passed.\n");

	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;
}

void
kdebug_secasv(sav)
	struct secasvar *sav;
{
	/* sanity check */
	if (sav == NULL)
		panic("kdebug_secasv: NULL pointer was passed.\n");

	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_sadb_lifetime((struct sadb_ext *)sav->lft_c);
	if (sav->lft_h != NULL)
		kdebug_sadb_lifetime((struct sadb_ext *)sav->lft_h);
	if (sav->lft_s != NULL)
		kdebug_sadb_lifetime((struct sadb_ext *)sav->lft_s);

#if defined (notyet)
	/* XXX: misc[123] ? */
#endif

	return;
}

static void
kdebug_secreplay(rpl)
	struct secreplay *rpl;
{
	int len, l;

	/* sanity check */
	if (rpl == NULL)
		panic("kdebug_secreplay: NULL pointer was passed.\n");

	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);
	}

#ifdef __FreeBSD__
	if (m->m_flags & M_EXT) {
		printf("  m_ext{ ext_buf:%p ext_free:%p "
		       "ext_size:%u ext_ref:%p }\n",
			m->m_ext.ext_buf, m->m_ext.ext_free,
			m->m_ext.ext_size, m->m_ext.ext_ref);
	}
#endif

	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("kdebug_sockaddr: NULL pointer was passed.\n");

	/* 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;
}