/* * Copyright (c) 2011 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@ */ #ifndef _NET_IF_UTUN_CRYPTO_IPSEC_H_ #define _NET_IF_UTUN_CRYPTO_IPSEC_H_ #ifdef KERNEL_PRIVATE struct utun_pcb; #define UTUN_CRYPTO_DIR_TO_IPSEC_DIR(dir) (dir == UTUN_CRYPTO_DIR_IN)? IPSEC_DIR_INBOUND : IPSEC_DIR_OUTBOUND #define IF_UTUN_GET_TX_CRYPTO_KEYS(pcb) LIST_FIRST(&pcb->utun_crypto_ctx[UTUN_CRYPTO_DIR_TO_IDX(UTUN_CRYPTO_DIR_OUT)].keys_listhead) #define IF_UTUN_GET_CRYPTO_KEYS_IPSEC_SAH(keys) keys->state.u.ipsec.sah #define IF_UTUN_GET_CRYPTO_KEYS_IPSEC_SAV(keys) keys->state.u.ipsec.sav /* * Summary: cleans up all crypto info for the specified utun. */ void utun_cleanup_all_crypto_ipsec(struct utun_pcb *pcb); /* * Summary: enables ipsec crypto info for the specified utun. */ void utun_ctl_enable_crypto_ipsec(struct utun_pcb *pcb, utun_crypto_args_t *args); /* * Summary: disables ipsec crypto info for the specified utun. */ void utun_ctl_disable_crypto_ipsec(struct utun_pcb *pcb); /* * Summary: configures an ipsec crypto context for the specified utun, with keying material * (needed for traffic encrypt/decrypt). * Args: * pcb - the specified utun state info * args - the ipsec crypto context keying arguments as passed down from userland. * crypto_ctx_mat - the ipsec crypto context's keying material to be filled. * Returns: 0 if successful, otherwise returns an appropriate errno. */ errno_t utun_ctl_config_crypto_keys_ipsec(struct utun_pcb *pcb, utun_crypto_keys_args_t *args, utun_crypto_keys_t *crypto_ctx_mat); /* * Summary: unconfigures the keying material in an ipsec crypto context for the specified utun. * Args: * args - the ipsec crypto context keying arguments as passed down from userland. * crypto_ctx_mat - the ipsec crypto context's keying material to be filled. * Returns: 0 if successful, otherwise returns an appropriate errno. */ errno_t utun_ctl_unconfig_crypto_keys_ipsec(utun_crypto_keys_args_t *args, utun_crypto_keys_t *crypto_ctx_mat); /* * Summary: generates an SPI/index to be using by keying material in an ipsec crypto context * for the specified utun. * Args: * args - the ipsec crypto context key index arguments as passed down from userland. * Returns: 0 if successful, otherwise returns an appropriate errno. */ errno_t utun_ctl_generate_crypto_keys_idx_ipsec(utun_crypto_keys_idx_args_t *args); int utun_pkt_ipsec_output(struct utun_pcb *pcb, mbuf_t *pkt); int utun_pkt_is_ipsec_keepalive(struct utun_pcb *pcb, mbuf_t *pkt, u_int16_t nxt, u_int32_t flags, size_t off); int utun_pkt_ipsec_input(struct utun_pcb *pcb, mbuf_t *pkt, protocol_family_t family); #endif // KERNEL_PRIVATE #endif // _NET_IF_UTUN_CRYPTO_IPSEC_H_