Function kdebug_sadb

freebsd/netipsec/key_debug.c:167–267

%%%: about struct sadb_msg */

/* %%%: about struct sadb_msg */
void
kdebug_sadb(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(%s) errno=%u satype=%u\n",
	    base->sadb_msg_version, base->sadb_msg_type,
	    kdebug_sadb_type(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(%s) }\n",
		    ext->sadb_ext_len, ext->sadb_ext_type,
		    kdebug_sadb_exttype(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:
		case SADB_X_EXT_NAT_T_OAI:
		case SADB_X_EXT_NAT_T_OAR:
		case SADB_X_EXT_NEW_ADDRESS_SRC:
		case SADB_X_EXT_NEW_ADDRESS_DST:
			kdebug_sadb_address(ext);
			break;
		case SADB_EXT_KEY_AUTH:
		case SADB_EXT_KEY_ENCRYPT:
			kdebug_sadb_key(ext);
			break;