/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ /* PF_KEY user interface, this is defined by rfc2367 so * do not make arbitrary modifications or else this header * file will not be compliant. */ #ifndef _LINUX_PFKEY2_H #define _LINUX_PFKEY2_H #include <linux/types.h> #define PF_KEY_V2 2 #define PFKEYV2_REVISION 199806L struct sadb_msg { __u8 sadb_msg_version; __u8 sadb_msg_type; __u8 sadb_msg_errno; __u8 sadb_msg_satype; __u16 sadb_msg_len; __u16 sadb_msg_reserved; __u32 sadb_msg_seq; __u32 sadb_msg_pid; } __attribute__((packed)); /* sizeof(struct sadb_msg) == 16 */ struct sadb_ext { __u16 sadb_ext_len; __u16 sadb_ext_type; } __attribute__((packed)); /* sizeof(struct sadb_ext) == 4 */ struct sadb_sa { __u16 sadb_sa_len; __u16 sadb_sa_exttype; __be32 sadb_sa_spi; __u8 sadb_sa_replay; __u8 sadb_sa_state; __u8 sadb_sa_auth; __u8 sadb_sa_encrypt; __u32 sadb_sa_flags; } __attribute__((packed)); /* sizeof(struct sadb_sa) == 16 */ struct sadb_lifetime { __u16 sadb_lifetime_len; __u16 sadb_lifetime_exttype; __u32 sadb_lifetime_allocations; __u64 sadb_lifetime_bytes; __u64 sadb_lifetime_addtime; __u64 sadb_lifetime_usetime; } __attribute__((packed)); /* sizeof(struct sadb_lifetime) == 32 */ struct sadb_address { __u16 sadb_address_len; __u16 sadb_address_exttype; __u8 sadb_address_proto; __u8 sadb_address_prefixlen; __u16 sadb_address_reserved; } __attribute__((packed)); /* sizeof(struct sadb_address) == 8 */ struct sadb_key { __u16 sadb_key_len; __u16 sadb_key_exttype; __u16 sadb_key_bits; __u16 sadb_key_reserved; } __attribute__((packed)); /* sizeof(struct sadb_key) == 8 */ struct sadb_ident { __u16 sadb_ident_len; __u16 sadb_ident_exttype; __u16 sadb_ident_type; __u16 sadb_ident_reserved; __u64 sadb_ident_id; } __attribute__((packed)); /* sizeof(struct sadb_ident) == 16 */ struct sadb_sens { __u16 sadb_sens_len; __u16 sadb_sens_exttype; __u32 sadb_sens_dpd; __u8 sadb_sens_sens_level; __u8 sadb_sens_sens_len; __u8 sadb_sens_integ_level; __u8 sadb_sens_integ_len; __u32 sadb_sens_reserved; } __attribute__((packed)); /* sizeof(struct sadb_sens) == 16 */ /* followed by: __u64 sadb_sens_bitmap[sens_len]; __u64 sadb_integ_bitmap[integ_len]; */ struct sadb_prop { __u16 sadb_prop_len; __u16 sadb_prop_exttype; __u8 sadb_prop_replay; __u8 sadb_prop_reserved[3]; } __attribute__((packed)); /* sizeof(struct sadb_prop) == 8 */ /* followed by: struct sadb_comb sadb_combs[(sadb_prop_len + sizeof(__u64) - sizeof(struct sadb_prop)) / sizeof(struct sadb_comb)]; */ struct sadb_comb { __u8 sadb_comb_auth; __u8 sadb_comb_encrypt; __u16 sadb_comb_flags; __u16 sadb_comb_auth_minbits; __u16 sadb_comb_auth_maxbits; __u16 sadb_comb_encrypt_minbits; __u16 sadb_comb_encrypt_maxbits; __u32 sadb_comb_reserved; __u32 sadb_comb_soft_allocations; __u32 sadb_comb_hard_allocations; __u64 sadb_comb_soft_bytes; __u64 sadb_comb_hard_bytes; __u64 sadb_comb_soft_addtime; __u64 sadb_comb_hard_addtime; __u64 sadb_comb_soft_usetime; __u64 sadb_comb_hard_usetime; } __attribute__((packed)); /* sizeof(struct sadb_comb) == 72 */ struct sadb_supported { __u16 sadb_supported_len; __u16 sadb_supported_exttype; __u32 sadb_supported_reserved; } __attribute__((packed)); /* sizeof(struct sadb_supported) == 8 */ /* followed by: struct sadb_alg sadb_algs[(sadb_supported_len + sizeof(__u64) - sizeof(struct sadb_supported)) / sizeof(struct sadb_alg)]; */ struct sadb_alg { __u8 sadb_alg_id; __u8 sadb_alg_ivlen; __u16 sadb_alg_minbits; __u16 sadb_alg_maxbits; __u16 sadb_alg_reserved; } __attribute__((packed)); /* sizeof(struct sadb_alg) == 8 */ struct sadb_spirange { __u16 sadb_spirange_len; __u16 sadb_spirange_exttype; __u32 sadb_spirange_min; __u32 sadb_spirange_max; __u32 sadb_spirange_reserved; } __attribute__((packed)); /* sizeof(struct sadb_spirange) == 16 */ struct sadb_x_kmprivate { __u16 sadb_x_kmprivate_len; __u16 sadb_x_kmprivate_exttype; __u32 sadb_x_kmprivate_reserved; } __attribute__((packed)); /* sizeof(struct sadb_x_kmprivate) == 8 */ struct sadb_x_sa2 { __u16 sadb_x_sa2_len; __u16 sadb_x_sa2_exttype; __u8 sadb_x_sa2_mode; __u8 sadb_x_sa2_reserved1; __u16 sadb_x_sa2_reserved2; __u32 sadb_x_sa2_sequence; __u32 sadb_x_sa2_reqid; } __attribute__((packed)); /* sizeof(struct sadb_x_sa2) == 16 */ struct sadb_x_policy { __u16 sadb_x_policy_len; __u16 sadb_x_policy_exttype; __u16 sadb_x_policy_type; __u8 sadb_x_policy_dir; __u8 sadb_x_policy_reserved; __u32 sadb_x_policy_id; __u32 sadb_x_policy_priority; } __attribute__((packed)); /* sizeof(struct sadb_x_policy) == 16 */ struct sadb_x_ipsecrequest { __u16 sadb_x_ipsecrequest_len; __u16 sadb_x_ipsecrequest_proto; __u8 sadb_x_ipsecrequest_mode; __u8 sadb_x_ipsecrequest_level; __u16 sadb_x_ipsecrequest_reserved1; __u32 sadb_x_ipsecrequest_reqid; __u32 sadb_x_ipsecrequest_reserved2; } __attribute__((packed)); /* sizeof(struct sadb_x_ipsecrequest) == 16 */ /* This defines the TYPE of Nat Traversal in use. Currently only one * type of NAT-T is supported, draft-ietf-ipsec-udp-encaps-06 */ struct sadb_x_nat_t_type { __u16 sadb_x_nat_t_type_len; __u16 sadb_x_nat_t_type_exttype; __u8 sadb_x_nat_t_type_type; __u8 sadb_x_nat_t_type_reserved[3]; } __attribute__((packed)); /* sizeof(struct sadb_x_nat_t_type) == 8 */ /* Pass a NAT Traversal port (Source or Dest port) */ struct sadb_x_nat_t_port { __u16 sadb_x_nat_t_port_len; __u16 sadb_x_nat_t_port_exttype; __be16 sadb_x_nat_t_port_port; __u16 sadb_x_nat_t_port_reserved; } __attribute__((packed)); /* sizeof(struct sadb_x_nat_t_port) == 8 */ /* Generic LSM security context */ struct sadb_x_sec_ctx { __u16 sadb_x_sec_len; __u16 sadb_x_sec_exttype; __u8 sadb_x_ctx_alg; /* LSMs: e.g., selinux == 1 */ __u8 sadb_x_ctx_doi; __u16 sadb_x_ctx_len; } __attribute__((packed)); /* sizeof(struct sadb_sec_ctx) = 8 */ /* Used by MIGRATE to pass addresses IKE will use to perform * negotiation with the peer */ struct sadb_x_kmaddress { __u16 sadb_x_kmaddress_len; __u16 sadb_x_kmaddress_exttype; __u32 sadb_x_kmaddress_reserved; } __attribute__((packed)); /* sizeof(struct sadb_x_kmaddress) == 8 */ /* To specify the SA dump filter */ struct sadb_x_filter { __u16 sadb_x_filter_len; __u16 sadb_x_filter_exttype; __u32 sadb_x_filter_saddr[4]; __u32 sadb_x_filter_daddr[4]; __u16 sadb_x_filter_family; __u8 sadb_x_filter_splen; __u8 sadb_x_filter_dplen; } __attribute__((packed)); /* sizeof(struct sadb_x_filter) == 40 */ /* Message types */ #define SADB_RESERVED 0 #define SADB_GETSPI 1 #define SADB_UPDATE 2 #define SADB_ADD 3 #define SADB_DELETE 4 #define SADB_GET 5 #define SADB_ACQUIRE 6 #define SADB_REGISTER 7 #define SADB_EXPIRE 8 #define SADB_FLUSH 9 #define SADB_DUMP 10 #define SADB_X_PROMISC 11 #define SADB_X_PCHANGE 12 #define SADB_X_SPDUPDATE 13 #define SADB_X_SPDADD 14 #define SADB_X_SPDDELETE 15 #define SADB_X_SPDGET 16 #define SADB_X_SPDACQUIRE 17 #define SADB_X_SPDDUMP 18 #define SADB_X_SPDFLUSH 19 #define SADB_X_SPDSETIDX 20 #define SADB_X_SPDEXPIRE 21 #define SADB_X_SPDDELETE2 22 #define SADB_X_NAT_T_NEW_MAPPING 23 #define SADB_X_MIGRATE 24 #define SADB_MAX 24 /* Security Association flags */ #define SADB_SAFLAGS_PFS 1 #define SADB_SAFLAGS_NOPMTUDISC 0x20000000 #define SADB_SAFLAGS_DECAP_DSCP 0x40000000 #define SADB_SAFLAGS_NOECN 0x80000000 /* Security Association states */ #define SADB_SASTATE_LARVAL 0 #define SADB_SASTATE_MATURE 1 #define SADB_SASTATE_DYING 2 #define SADB_SASTATE_DEAD 3 #define SADB_SASTATE_MAX 3 /* Security Association types */ #define SADB_SATYPE_UNSPEC 0 #define SADB_SATYPE_AH 2 #define SADB_SATYPE_ESP 3 #define SADB_SATYPE_RSVP 5 #define SADB_SATYPE_OSPFV2 6 #define SADB_SATYPE_RIPV2 7 #define SADB_SATYPE_MIP 8 #define SADB_X_SATYPE_IPCOMP 9 #define SADB_SATYPE_MAX 9 /* Authentication algorithms */ #define SADB_AALG_NONE 0 #define SADB_AALG_MD5HMAC 2 #define SADB_AALG_SHA1HMAC 3 #define SADB_X_AALG_SHA2_256HMAC 5 #define SADB_X_AALG_SHA2_384HMAC 6 #define SADB_X_AALG_SHA2_512HMAC 7 #define SADB_X_AALG_RIPEMD160HMAC 8 #define SADB_X_AALG_AES_XCBC_MAC 9 #define SADB_X_AALG_NULL 251 /* kame */ #define SADB_AALG_MAX 251 /* Encryption algorithms */ #define SADB_EALG_NONE 0 #define SADB_EALG_DESCBC 2 #define SADB_EALG_3DESCBC 3 #define SADB_X_EALG_CASTCBC 6 #define SADB_X_EALG_BLOWFISHCBC 7 #define SADB_EALG_NULL 11 #define SADB_X_EALG_AESCBC 12 #define SADB_X_EALG_AESCTR 13 #define SADB_X_EALG_AES_CCM_ICV8 14 #define SADB_X_EALG_AES_CCM_ICV12 15 #define SADB_X_EALG_AES_CCM_ICV16 16 #define SADB_X_EALG_AES_GCM_ICV8 18 #define SADB_X_EALG_AES_GCM_ICV12 19 #define SADB_X_EALG_AES_GCM_ICV16 20 #define SADB_X_EALG_CAMELLIACBC 22 #define SADB_X_EALG_NULL_AES_GMAC 23 #define SADB_EALG_MAX 253 /* last EALG */ /* private allocations should use 249-255 (RFC2407) */ #define SADB_X_EALG_SERPENTCBC 252 /* draft-ietf-ipsec-ciph-aes-cbc-00 */ #define SADB_X_EALG_TWOFISHCBC 253 /* draft-ietf-ipsec-ciph-aes-cbc-00 */ /* Compression algorithms */ #define SADB_X_CALG_NONE 0 #define SADB_X_CALG_OUI 1 #define SADB_X_CALG_DEFLATE 2 #define SADB_X_CALG_LZS 3 #define SADB_X_CALG_LZJH 4 #define SADB_X_CALG_MAX 4 /* Extension Header values */ #define SADB_EXT_RESERVED 0 #define SADB_EXT_SA 1 #define SADB_EXT_LIFETIME_CURRENT 2 #define SADB_EXT_LIFETIME_HARD 3 #define SADB_EXT_LIFETIME_SOFT 4 #define SADB_EXT_ADDRESS_SRC 5 #define SADB_EXT_ADDRESS_DST 6 #define SADB_EXT_ADDRESS_PROXY 7 #define SADB_EXT_KEY_AUTH 8 #define SADB_EXT_KEY_ENCRYPT 9 #define SADB_EXT_IDENTITY_SRC 10 #define SADB_EXT_IDENTITY_DST 11 #define SADB_EXT_SENSITIVITY 12 #define SADB_EXT_PROPOSAL 13 #define SADB_EXT_SUPPORTED_AUTH 14 #define SADB_EXT_SUPPORTED_ENCRYPT 15 #define SADB_EXT_SPIRANGE 16 #define SADB_X_EXT_KMPRIVATE 17 #define SADB_X_EXT_POLICY 18 #define SADB_X_EXT_SA2 19 /* The next four entries are for setting up NAT Traversal */ #define SADB_X_EXT_NAT_T_TYPE 20 #define SADB_X_EXT_NAT_T_SPORT 21 #define SADB_X_EXT_NAT_T_DPORT 22 #define SADB_X_EXT_NAT_T_OA 23 #define SADB_X_EXT_SEC_CTX 24 /* Used with MIGRATE to pass @ to IKE for negotiation */ #define SADB_X_EXT_KMADDRESS 25 #define SADB_X_EXT_FILTER 26 #define SADB_EXT_MAX 26 /* Identity Extension values */ #define SADB_IDENTTYPE_RESERVED 0 #define SADB_IDENTTYPE_PREFIX 1 #define SADB_IDENTTYPE_FQDN 2 #define SADB_IDENTTYPE_USERFQDN 3 #define SADB_IDENTTYPE_MAX 3 #endif /* !(_LINUX_PFKEY2_H) */