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110 lines
4.2 KiB
C
110 lines
4.2 KiB
C
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#ifndef TCP_AO_ADD_KEY
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#define TCP_AO_ADD_KEY 38 /* Add/Set MKT */
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#define TCP_AO_DEL_KEY 39 /* Delete MKT */
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#define TCP_AO_INFO 40 /* Set/list TCP-AO per-socket options */
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#define TCP_AO_GET_KEYS 41 /* List MKT(s) */
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#define TCP_AO_REPAIR 42 /* Get/Set SNEs and ISNs */
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#endif
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#ifndef TCP_AO_STRUCTS
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#define TCP_AO_STRUCTS
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#define TCP_AO_MAXKEYLEN_ 80
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#define DEFAULT_TEST_ALGO "cmac(aes128)"
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struct tcp_ao_add_ext { /* setsockopt(TCP_AO_ADD_KEY) */
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struct sockaddr_storage addr; /* peer's address for the key */
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char alg_name[64]; /* crypto hash algorithm to use */
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s32 ifindex; /* L3 dev index for VRF */
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u32 set_current :1, /* set key as Current_key at once */
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set_rnext :1, /* request it from peer with RNext_key */
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reserved :30; /* must be 0 */
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u16 reserved2; /* padding, must be 0 */
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u8 prefix; /* peer's address prefix */
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u8 sndid; /* SendID for outgoing segments */
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u8 rcvid; /* RecvID to match for incoming seg */
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u8 maclen; /* length of authentication code (hash) */
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u8 keyflags; /* see TCP_AO_KEYF_ */
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u8 keylen; /* length of ::key */
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u8 key[TCP_AO_MAXKEYLEN_];
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} __attribute__((aligned(8)));
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struct tcp_ao_del_ext { /* setsockopt(TCP_AO_DEL_KEY) */
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struct sockaddr_storage addr; /* peer's address for the key */
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s32 ifindex; /* L3 dev index for VRF */
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u32 set_current :1, /* corresponding ::current_key */
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set_rnext :1, /* corresponding ::rnext */
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del_async :1, /* only valid for listen sockets */
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reserved :29; /* must be 0 */
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u16 reserved2; /* padding, must be 0 */
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u8 prefix; /* peer's address prefix */
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u8 sndid; /* SendID for outgoing segments */
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u8 rcvid; /* RecvID to match for incoming seg */
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u8 current_key; /* KeyID to set as Current_key */
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u8 rnext; /* KeyID to set as Rnext_key */
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u8 keyflags; /* see TCP_AO_KEYF_ */
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} __attribute__((aligned(8)));
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struct tcp_ao_info_opt_ext { /* setsockopt(TCP_AO_INFO), getsockopt(TCP_AO_INFO) */
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/* Here 'in' is for setsockopt(), 'out' is for getsockopt() */
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u32 set_current :1, /* in/out: corresponding ::current_key */
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set_rnext :1, /* in/out: corresponding ::rnext */
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ao_required :1, /* in/out: don't accept non-AO connects */
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set_counters :1, /* in: set/clear ::pkt_* counters */
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accept_icmps :1, /* in/out: accept incoming ICMPs */
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reserved :27; /* must be 0 */
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u16 reserved2; /* padding, must be 0 */
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u8 current_key; /* in/out: KeyID of Current_key */
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u8 rnext; /* in/out: keyid of RNext_key */
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u64 pkt_good; /* in/out: verified segments */
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u64 pkt_bad; /* in/out: failed verification */
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u64 pkt_key_not_found; /* in/out: could not find a key to verify */
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u64 pkt_ao_required; /* in/out: segments missing TCP-AO sign */
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u64 pkt_dropped_icmp; /* in/out: ICMPs that were ignored */
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} __attribute__((aligned(8)));
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struct tcp_ao_getsockopt_ext { /* getsockopt(TCP_AO_GET_KEYS) */
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struct sockaddr_storage addr; /* in/out: dump keys for peer
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* with this address/prefix
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*/
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char alg_name[64]; /* out: crypto hash algorithm */
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u8 key[TCP_AO_MAXKEYLEN_];
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u32 nkeys; /* in: size of the userspace buffer
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* @optval, measured in @optlen - the
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* sizeof(struct tcp_ao_getsockopt)
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* out: number of keys that matched
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*/
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u16 is_current :1, /* in: match and dump Current_key,
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* out: the dumped key is Current_key
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*/
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is_rnext :1, /* in: match and dump RNext_key,
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* out: the dumped key is RNext_key
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*/
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get_all :1, /* in: dump all keys */
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reserved :13; /* padding, must be 0 */
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u8 sndid; /* in/out: dump keys with SendID */
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u8 rcvid; /* in/out: dump keys with RecvID */
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u8 prefix; /* in/out: dump keys with address/prefix */
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u8 maclen; /* out: key's length of authentication
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* code (hash)
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*/
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u8 keyflags; /* in/out: see TCP_AO_KEYF_ */
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u8 keylen; /* out: length of ::key */
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s32 ifindex; /* in/out: L3 dev index for VRF */
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u64 pkt_good; /* out: verified segments */
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u64 pkt_bad; /* out: segments that failed verification */
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} __attribute__((aligned(8)));
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struct tcp_ao_repair_ext { /* {s,g}etsockopt(TCP_AO_REPAIR) */
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u32 snt_isn; //should be __be32 alias fdt32_t - 32-bit, big-endian, unsigned integer
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u32 rcv_isn; //should be __be32 alias fdt32_t - 32-bit, big-endian, unsigned integer
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u32 snd_sne;
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u32 rcv_sne;
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} __attribute__((aligned(8)));
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#endif /* TCP_AO_STRUCTS*/
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