diff options
Diffstat (limited to 'src/charon/kernel/kernel_ipsec.h')
| -rw-r--r-- | src/charon/kernel/kernel_ipsec.h | 73 |
1 files changed, 34 insertions, 39 deletions
diff --git a/src/charon/kernel/kernel_ipsec.h b/src/charon/kernel/kernel_ipsec.h index 67786a74f..de7068fb9 100644 --- a/src/charon/kernel/kernel_ipsec.h +++ b/src/charon/kernel/kernel_ipsec.h @@ -15,7 +15,7 @@ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * - * $Id: kernel_ipsec.h 4358 2008-09-25 13:56:23Z tobias $ + * $Id: kernel_ipsec.h 4618 2008-11-11 09:22:00Z tobias $ */ /** @@ -68,6 +68,11 @@ enum policy_dir_t { }; /** + * enum names for policy_dir_t. + */ +extern enum_name_t *policy_dir_names; + +/** * Interface to the ipsec subsystem of the kernel. * * The kernel ipsec interface handles the communication with the kernel @@ -83,10 +88,6 @@ struct kernel_ipsec_t { /** * Get a SPI from the kernel. * - * @warning get_spi() implicitly creates an SA with - * the allocated SPI, therefore the replace flag - * in add_sa() must be set when installing this SA. - * * @param src source address of SA * @param dst destination address of SA * @param protocol protocol for SA (ESP/AH) @@ -128,25 +129,24 @@ struct kernel_ipsec_t { * @param expire_soft lifetime in seconds before rekeying * @param expire_hard lifetime in seconds before delete * @param enc_alg Algorithm to use for encryption (ESP only) - * @param enc_size key length of encryption algorithm, if dynamic + * @param enc_key key to use for encryption * @param int_alg Algorithm to use for integrity protection - * @param int_size key length of integrity algorithm, if dynamic - * @param prf_plus PRF to derive keys from + * @param int_key key to use for integrity protection * @param mode mode of the SA (tunnel, transport) * @param ipcomp IPComp transform to use + * @param cpi CPI for IPComp * @param encap enable UDP encapsulation for NAT traversal - * @param replace Should an already installed SA be updated? + * @param inbound TRUE if this is an inbound SA * @return SUCCESS if operation completed */ status_t (*add_sa) (kernel_ipsec_t *this, host_t *src, host_t *dst, u_int32_t spi, protocol_id_t protocol, u_int32_t reqid, u_int64_t expire_soft, u_int64_t expire_hard, - u_int16_t enc_alg, u_int16_t enc_size, - u_int16_t int_alg, u_int16_t int_size, - prf_plus_t *prf_plus, ipsec_mode_t mode, - u_int16_t ipcomp, bool encap, - bool update); + u_int16_t enc_alg, chunk_t enc_key, + u_int16_t int_alg, chunk_t int_key, + ipsec_mode_t mode, u_int16_t ipcomp, u_int16_t cpi, + bool encap, bool inbound); /** * Update the hosts on an installed SA. @@ -158,32 +158,21 @@ struct kernel_ipsec_t { * * @param spi SPI of the SA * @param protocol protocol for this SA (ESP/AH) + * @param cpi CPI for IPComp, 0 if no IPComp is used * @param src current source address * @param dst current destination address * @param new_src new source address * @param new_dst new destination address - * @param encap use UDP encapsulation - * @return SUCCESS if operation completed + * @param encap current use of UDP encapsulation + * @param new_encap new use of UDP encapsulation + * @return SUCCESS if operation completed, NOT_SUPPORTED if + * the kernel interface can't update the SA */ status_t (*update_sa)(kernel_ipsec_t *this, - u_int32_t spi, protocol_id_t protocol, + u_int32_t spi, protocol_id_t protocol, u_int16_t cpi, host_t *src, host_t *dst, - host_t *new_src, host_t *new_dst, bool encap); - - /** - * Query the use time of an SA. - * - * The use time of an SA is not the time of the last usage, but - * the time of the first usage of the SA. - * - * @param dst destination address for this SA - * @param spi SPI allocated by us or remote peer - * @param protocol protocol for this SA (ESP/AH) - * @param use_time pointer receives the time of this SA's last use - * @return SUCCESS if operation completed - */ - status_t (*query_sa) (kernel_ipsec_t *this, host_t *dst, u_int32_t spi, - protocol_id_t protocol, u_int32_t *use_time); + host_t *new_src, host_t *new_dst, + bool encap, bool new_encap); /** * Delete a previusly installed SA from the SAD. @@ -191,10 +180,11 @@ struct kernel_ipsec_t { * @param dst destination address for this SA * @param spi SPI allocated by us or remote peer * @param protocol protocol for this SA (ESP/AH) + * @param cpi CPI for IPComp or 0 * @return SUCCESS if operation completed */ status_t (*del_sa) (kernel_ipsec_t *this, host_t *dst, u_int32_t spi, - protocol_id_t protocol); + protocol_id_t protocol, u_int16_t cpi); /** * Add a policy to the SPD. @@ -207,20 +197,23 @@ struct kernel_ipsec_t { * @param src_ts traffic selector to match traffic source * @param dst_ts traffic selector to match traffic dest * @param direction direction of traffic, POLICY_IN, POLICY_OUT, POLICY_FWD + * @param spi SPI of SA * @param protocol protocol to use to protect traffic (AH/ESP) * @param reqid unique ID of an SA to use to enforce policy - * @param high_prio if TRUE, uses a higher priority than any with FALSE * @param mode mode of SA (tunnel, transport) * @param ipcomp the IPComp transform used + * @param cpi CPI for IPComp + * @param routed TRUE, if this policy is routed in the kernel * @return SUCCESS if operation completed */ status_t (*add_policy) (kernel_ipsec_t *this, host_t *src, host_t *dst, traffic_selector_t *src_ts, traffic_selector_t *dst_ts, - policy_dir_t direction, protocol_id_t protocol, - u_int32_t reqid, bool high_prio, ipsec_mode_t mode, - u_int16_t ipcomp); + policy_dir_t direction, u_int32_t spi, + protocol_id_t protocol, u_int32_t reqid, + ipsec_mode_t mode, u_int16_t ipcomp, u_int16_t cpi, + bool routed); /** * Query the use time of a policy. @@ -250,12 +243,14 @@ struct kernel_ipsec_t { * @param src_ts traffic selector to match traffic source * @param dst_ts traffic selector to match traffic dest * @param direction direction of traffic, POLICY_IN, POLICY_OUT, POLICY_FWD + * @param unrouted TRUE, if this policy is unrouted from the kernel * @return SUCCESS if operation completed */ status_t (*del_policy) (kernel_ipsec_t *this, traffic_selector_t *src_ts, traffic_selector_t *dst_ts, - policy_dir_t direction); + policy_dir_t direction, + bool unrouted); /** * Destroy the implementation. |