ipsec.api

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/*
 * Copyright (c) 2015-2016 Cisco and/or its affiliates.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at:
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

option version = "1.0.0";

/** \brief IPsec: Add/delete Security Policy Database
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param is_add - add SPD if non-zero, else delete
    @param spd_id - SPD instance id (control plane allocated)
*/

autoreply define ipsec_spd_add_del
{
  u32 client_index;
  u32 context;
  u8 is_add;
  u32 spd_id;
};

/** \brief IPsec: Add/delete SPD from interface

    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param is_add - add security mode if non-zero, else delete
    @param sw_if_index - index of the interface
    @param spd_id - SPD instance id to use for lookups
*/


autoreply define ipsec_interface_add_del_spd
{
  u32 client_index;
  u32 context;

  u8 is_add;
  u32 sw_if_index;
  u32 spd_id;
};

/** \brief IPsec: Add/delete Security Policy Database entry

    See RFC 4301, 4.4.1.1 on how to match packet to selectors

    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param is_add - add SPD if non-zero, else delete
    @param spd_id - SPD instance id (control plane allocated)
    @param priority - priority of SPD entry (non-unique value).  Used to order SPD matching - higher priorities match before lower
    @param is_outbound - entry applies to outbound traffic if non-zero, otherwise applies to inbound traffic
    @param is_ipv6 - remote/local address are IPv6 if non-zero, else IPv4
    @param remote_address_start - start of remote address range to match
    @param remote_address_stop - end of remote address range to match
    @param local_address_start - start of local address range to match
    @param local_address_stop - end of local address range to match
    @param protocol - protocol type to match [0 means any]
    @param remote_port_start - start of remote port range to match ...
    @param remote_port_stop - end of remote port range to match [0 to 65535 means ANY, 65535 to 0 means OPAQUE]
    @param local_port_start - start of local port range to match ...
    @param local_port_stop - end of remote port range to match [0 to 65535 means ANY, 65535 to 0 means OPAQUE]
    @param policy - 0 = bypass (no IPsec processing), 1 = discard (discard packet with ICMP processing), 2 = resolve (send request to control plane for SA resolving, and discard without ICMP processing), 3 = protect (apply IPsec policy using following parameters)
    @param sa_id - SAD instance id (control plane allocated)

*/

autoreply define ipsec_spd_add_del_entry
{
  u32 client_index;
  u32 context;
  u8 is_add;

  u32 spd_id;
  i32 priority;
  u8 is_outbound;

  // Selector
  u8 is_ipv6;
  u8 is_ip_any;
  u8 remote_address_start[16];
  u8 remote_address_stop[16];
  u8 local_address_start[16];
  u8 local_address_stop[16];

  u8 protocol;

  u16 remote_port_start;
  u16 remote_port_stop;
  u16 local_port_start;
  u16 local_port_stop;

  // Policy
  u8 policy;
  u32 sa_id;
};

/** \brief IPsec: Add/delete Security Association Database entry
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param is_add - add SAD entry if non-zero, else delete

    @param sad_id - sad id

    @param spi - security parameter index

    @param protocol - 0 = AH, 1 = ESP

    @param crypto_algorithm - 0 = Null, 1 = AES-CBC-128, 2 = AES-CBC-192, 3 = AES-CBC-256, 4 = 3DES-CBC
    @param crypto_key_length - length of crypto_key in bytes
    @param crypto_key - crypto keying material

    @param integrity_algorithm - 0 = None, 1 = MD5-96, 2 = SHA1-96, 3 = SHA-256, 4 = SHA-384, 5=SHA-512
    @param integrity_key_length - length of integrity_key in bytes
    @param integrity_key - integrity keying material

    @param use_extended_sequence_number - use ESN when non-zero

    @param is_tunnel - IPsec tunnel mode if non-zero, else transport mode
    @param is_tunnel_ipv6 - IPsec tunnel mode is IPv6 if non-zero, else IPv4 tunnel only valid if is_tunnel is non-zero
    @param tunnel_src_address - IPsec tunnel source address IPv6 if is_tunnel_ipv6 is non-zero, else IPv4. Only valid if is_tunnel is non-zero
    @param tunnel_dst_address - IPsec tunnel destination address IPv6 if is_tunnel_ipv6 is non-zero, else IPv4. Only valid if is_tunnel is non-zero

    To be added:
     Anti-replay
     IPsec tunnel address copy mode (to support GDOI)
 */

autoreply define ipsec_sad_add_del_entry
{
  u32 client_index;
  u32 context;
  u8 is_add;

  u32 sad_id;

  u32 spi;

  u8 protocol;

  u8 crypto_algorithm;
  u8 crypto_key_length;
  u8 crypto_key[128];

  u8 integrity_algorithm;
  u8 integrity_key_length;
  u8 integrity_key[128];

  u8 use_extended_sequence_number;
  u8 use_anti_replay;

  u8 is_tunnel;
  u8 is_tunnel_ipv6;
  u8 tunnel_src_address[16];
  u8 tunnel_dst_address[16];
};

/** \brief IPsec: Update Security Association keys
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request

    @param sa_id - sa id

    @param crypto_key_length - length of crypto_key in bytes
    @param crypto_key - crypto keying material

    @param integrity_key_length - length of integrity_key in bytes
    @param integrity_key - integrity keying material
*/

autoreply define ipsec_sa_set_key
{
  u32 client_index;
  u32 context;

  u32 sa_id;

  u8 crypto_key_length;
  u8 crypto_key[128];

  u8 integrity_key_length;
  u8 integrity_key[128];
};

/** \brief IKEv2: Add/delete profile
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request

    @param name - IKEv2 profile name
    @param is_add - Add IKEv2 profile if non-zero, else delete
*/
autoreply define ikev2_profile_add_del
{
  u32 client_index;
  u32 context;

  u8 name[64];
  u8 is_add;
};

/** \brief IKEv2: Set IKEv2 profile authentication method
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request

    @param name - IKEv2 profile name
    @param auth_method - IKEv2 authentication method (shared-key-mic/rsa-sig)
    @param is_hex - Authentication data in hex format if non-zero, else string
    @param data_len - Authentication data length
    @param data - Authentication data (for rsa-sig cert file path)
*/
autoreply define ikev2_profile_set_auth
{
  u32 client_index;
  u32 context;

  u8 name[64];
  u8 auth_method;
  u8 is_hex;
  u32 data_len;
  u8 data[0];
};

/** \brief IKEv2: Set IKEv2 profile local/remote identification
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request

    @param name - IKEv2 profile name
    @param is_local - Identification is local if non-zero, else remote
    @param id_type - Identification type
    @param data_len - Identification data length
    @param data - Identification data
*/
autoreply define ikev2_profile_set_id
{
  u32 client_index;
  u32 context;

  u8 name[64];
  u8 is_local;
  u8 id_type;
  u32 data_len;
  u8 data[0];
};

/** \brief IKEv2: Set IKEv2 profile traffic selector parameters
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request

    @param name - IKEv2 profile name
    @param is_local - Traffic selector is local if non-zero, else remote
    @param proto - Traffic selector IP protocol (if zero not relevant)
    @param start_port - The smallest port number allowed by traffic selector
    @param end_port - The largest port number allowed by traffic selector
    @param start_addr - The smallest address included in traffic selector
    @param end_addr - The largest address included in traffic selector
*/
autoreply define ikev2_profile_set_ts
{
  u32 client_index;
  u32 context;

  u8 name[64];
  u8 is_local;
  u8 proto;
  u16 start_port;
  u16 end_port;
  u32 start_addr;
  u32 end_addr;
};

/** \brief IKEv2: Set IKEv2 local RSA private key
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request

    @param key_file - Key file absolute path
*/
autoreply define ikev2_set_local_key
{
  u32 client_index;
  u32 context;

  u8 key_file[256];
};

/** \brief IKEv2: Set IKEv2 responder interface and IP address
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request

    @param name - IKEv2 profile name
    @param sw_if_index - interface index
    @param address - interface address
*/
autoreply define ikev2_set_responder
{
  u32 client_index;
  u32 context;

  u8 name[64];
  u32 sw_if_index;
  u8 address[4];
};

/** \brief IKEv2: Set IKEv2 IKE transforms in SA_INIT proposal (RFC 7296)
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request

    @param name - IKEv2 profile name
    @param crypto_alg - encryption algorithm
    @param crypto_key_size - encryption key size
    @param integ_alg - integrity algorithm
    @param dh_group - Diffie-Hellman group
    
*/
autoreply define ikev2_set_ike_transforms
{
  u32 client_index;
  u32 context;

  u8 name[64];
  u32 crypto_alg;
  u32 crypto_key_size;
  u32 integ_alg;
  u32 dh_group;
};

/** \brief IKEv2: Set IKEv2 ESP transforms in SA_INIT proposal (RFC 7296)
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request

    @param name - IKEv2 profile name
    @param crypto_alg - encryption algorithm
    @param crypto_key_size - encryption key size
    @param integ_alg - integrity algorithm
    @param dh_group - Diffie-Hellman group
    
*/
autoreply define ikev2_set_esp_transforms
{
  u32 client_index;
  u32 context;

  u8 name[64];
  u32 crypto_alg;
  u32 crypto_key_size;
  u32 integ_alg;
  u32 dh_group;
};

/** \brief IKEv2: Set Child SA lifetime, limited by time and/or data
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request

    @param name - IKEv2 profile name
    @param lifetime - SA maximum life time in seconds (0 to disable)
    @param lifetime_jitter - Jitter added to prevent simultaneounus rekeying
    @param handover - Hand over time
    @param lifetime_maxdata - SA maximum life time in bytes (0 to disable)
    
*/
autoreply define ikev2_set_sa_lifetime
{
  u32 client_index;
  u32 context;

  u8 name[64];
  u64 lifetime;
  u32 lifetime_jitter;
  u32 handover;
  u64 lifetime_maxdata;
};

/** \brief IKEv2: Initiate the SA_INIT exchange
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request

    @param name - IKEv2 profile name
    
*/
autoreply define ikev2_initiate_sa_init
{
  u32 client_index;
  u32 context;

  u8 name[64];
};

/** \brief IKEv2: Initiate the delete IKE SA exchange
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request

    @param ispi - IKE SA initiator SPI
    
*/
autoreply define ikev2_initiate_del_ike_sa
{
  u32 client_index;
  u32 context;

  u64 ispi;
};

/** \brief IKEv2: Initiate the delete Child SA exchange
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request

    @param ispi - Child SA initiator SPI
    
*/
autoreply define ikev2_initiate_del_child_sa
{
  u32 client_index;
  u32 context;

  u32 ispi;
};

/** \brief IKEv2: Initiate the rekey Child SA exchange
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request

    @param ispi - Child SA initiator SPI
    
*/
autoreply define ikev2_initiate_rekey_child_sa
{
  u32 client_index;
  u32 context;

  u32 ispi;
};

/** \brief Dump ipsec policy database data
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param spd_id - SPD instance id
    @param sa_id - SA id, optional, set to ~0 to see all policies in SPD
*/
define ipsec_spd_dump {
    u32 client_index;
    u32 context;
    u32 spd_id;
    u32 sa_id;
};

/** \brief IPsec policy database response
    @param context - sender context which was passed in the request
    @param spd_id - SPD instance id
    @param priority - numeric value to control policy evaluation order
    @param is_outbound - [1|0] to indicate if direction is [out|in]bound
    @param is_ipv6 - [1|0] to indicate if address family is ipv[6|4]
    @param local_start_addr - first address in local traffic selector range
    @param local_stop_addr - last address in local traffic selector range
    @param local_start_port - first port in local traffic selector range
    @param local_stop_port - last port in local traffic selector range
    @param remote_start_addr - first address in remote traffic selector range
    @param remote_stop_addr - last address in remote traffic selector range
    @param remote_start_port - first port in remote traffic selector range
    @param remote_stop_port - last port in remote traffic selector range
    @param protocol - traffic selector protocol
    @param policy - policy action
    @param sa_id - SA id
    @param bytes - byte count of packets matching this policy
    @param packets - count of packets matching this policy
*/
define ipsec_spd_details {
    u32 context;
    u32 spd_id;
    i32 priority;
    u8 is_outbound;
    u8 is_ipv6;
    u8 local_start_addr[16];
    u8 local_stop_addr[16];
    u16 local_start_port;
    u16 local_stop_port;
    u8 remote_start_addr[16];
    u8 remote_stop_addr[16];
    u16 remote_start_port;
    u16 remote_stop_port;
    u8 protocol;
    u8 policy;
    u32 sa_id;
    u64 bytes;
    u64 packets;
};

/** \brief Add or delete IPsec tunnel interface
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param is_add - add IPsec tunnel interface if nonzero, else delete
    @param esn - enable extended sequence numbers if nonzero, else disable
    @param anti_replay - enable anti replay check if nonzero, else disable
    @param local_ip - local IP address
    @param remote_ip - IP address of remote IPsec peer
    @param local_spi - SPI of outbound IPsec SA
    @param remote_spi - SPI of inbound IPsec SA
    @param crypto_alg - encryption algorithm ID
    @param local_crypto_key_len - length of local crypto key in bytes
    @param local_crypto_key - crypto key for outbound IPsec SA
    @param remote_crypto_key_len - length of remote crypto key in bytes
    @param remote_crypto_key - crypto key for inbound IPsec SA
    @param integ_alg - integrity algorithm ID
    @param local_integ_key_len - length of local integrity key in bytes
    @param local_integ_key - integrity key for outbound IPsec SA
    @param remote_integ_key_len - length of remote integrity key in bytes
    @param remote_integ_key - integrity key for inbound IPsec SA
*/
define ipsec_tunnel_if_add_del {
  u32 client_index;
  u32 context;
  u8 is_add;
  u8 esn;
  u8 anti_replay;
  u8 local_ip[4];
  u8 remote_ip[4];
  u32 local_spi;
  u32 remote_spi;
  u8 crypto_alg;
  u8 local_crypto_key_len;
  u8 local_crypto_key[128];
  u8 remote_crypto_key_len;
  u8 remote_crypto_key[128];
  u8 integ_alg;
  u8 local_integ_key_len;
  u8 local_integ_key[128];
  u8 remote_integ_key_len;
  u8 remote_integ_key[128];
};

/** \brief Add/delete IPsec tunnel interface response
    @param context - sender context, to match reply w/ request
    @param retval - return status
    @param sw_if_index - sw_if_index of new interface (for successful add)
*/
define ipsec_tunnel_if_add_del_reply {
  u32 context;
  i32 retval;
  u32 sw_if_index;
};

/** \brief Dump IPsec security association
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param sa_id - optional ID of an SA to dump, if ~0 dump all SAs in SAD
*/
define ipsec_sa_dump {
  u32 client_index;
  u32 context;
  u32 sa_id;
};

/** \brief IPsec security association database response
    @param context - sender context which was passed in the request
    @param sa_id - SA ID, policy-based SAs >=0, tunnel interface SAs = 0 
    @param sw_if_index - sw_if_index of tunnel interface, policy-based SAs = ~0
    @param spi - security parameter index
    @param protocol - IPsec protocol (value from ipsec_protocol_t)
    @param crypto_alg - crypto algorithm (value from ipsec_crypto_alg_t)
    @param crypto_key_len - length of crypto_key in bytes
    @param crypto_key - crypto keying material
    @param integ_alg - integrity algorithm (value from ipsec_integ_alg_t)
    @param integ_key_len - length of integ_key in bytes
    @param integ_key - integrity keying material
    @param use_esn - using extended sequence numbers when non-zero
    @param use_anti_replay - using anti-replay window when non-zero
    @param is_tunnel - IPsec tunnel mode when non-zero, else transport mode
    @param is_tunnel_ipv6 - If using tunnel mode, endpoints are IPv6
    @param tunnel_src_addr - Tunnel source address if using tunnel mode
    @param tunnel_dst_addr - Tunnel destination address is using tunnel mode
    @param salt - 4 byte salt 
    @param seq - current sequence number for outbound
    @param seq_hi - high 32 bits of ESN for outbound 
    @param last_seq - highest sequence number received inbound
    @param last_seq_hi - high 32 bits of highest ESN received inbound
    @param replay_window - bit map of seq nums received relative to last_seq if using anti-replay
    @param total_data_size - total bytes sent or received
*/
define ipsec_sa_details {
  u32 context;
  u32 sa_id;
  u32 sw_if_index;

  u32 spi;
  u8 protocol;

  u8 crypto_alg;
  u8 crypto_key_len;
  u8 crypto_key[128];

  u8 integ_alg;
  u8 integ_key_len;
  u8 integ_key[128];

  u8 use_esn;
  u8 use_anti_replay;

  u8 is_tunnel;
  u8 is_tunnel_ip6;
  u8 tunnel_src_addr[16];
  u8 tunnel_dst_addr[16];

  u32 salt;
  u64 seq_outbound;
  u64 last_seq_inbound;
  u64 replay_window;

  u64 total_data_size;
};

/** \brief Set key on IPsec interface
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param sw_if_index - index of tunnel interface
    @param key_type - type of key being set
    @param alg - algorithm used with key
    @param key_len - length key in bytes
    @param key - key
*/
autoreply define ipsec_tunnel_if_set_key {
  u32 client_index;
  u32 context;
  u32 sw_if_index;
  u8 key_type;
  u8 alg;
  u8 key_len;
  u8 key[128];
};

/** \brief Set new SA on IPsec interface
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param sw_if_index - index of tunnel interface
    @param sa_id - ID of SA to use
    @param is_outbound - 1 if outbound (local) SA, 0 if inbound (remote)
*/
autoreply define ipsec_tunnel_if_set_sa {
  u32 client_index;
  u32 context;
  u32 sw_if_index;
  u32 sa_id;
  u8 is_outbound;
};

/*
 * Local Variables:
 * eval: (c-set-style "gnu")
 * End:
 */