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-rw-r--r--include/keys/rxrpc-type.h107
1 files changed, 107 insertions, 0 deletions
diff --git a/include/keys/rxrpc-type.h b/include/keys/rxrpc-type.h
index 7609365577f1..5cb86c307f5d 100644
--- a/include/keys/rxrpc-type.h
+++ b/include/keys/rxrpc-type.h
@@ -21,4 +21,111 @@ extern struct key_type key_type_rxrpc;
extern struct key *rxrpc_get_null_key(const char *);
+/*
+ * RxRPC key for Kerberos IV (type-2 security)
+ */
+struct rxkad_key {
+ u32 vice_id;
+ u32 start; /* time at which ticket starts */
+ u32 expiry; /* time at which ticket expires */
+ u32 kvno; /* key version number */
+ u8 primary_flag; /* T if key for primary cell for this user */
+ u16 ticket_len; /* length of ticket[] */
+ u8 session_key[8]; /* DES session key */
+ u8 ticket[0]; /* the encrypted ticket */
+};
+
+/*
+ * Kerberos 5 principal
+ * name/name/name@realm
+ */
+struct krb5_principal {
+ u8 n_name_parts; /* N of parts of the name part of the principal */
+ char **name_parts; /* parts of the name part of the principal */
+ char *realm; /* parts of the realm part of the principal */
+};
+
+/*
+ * Kerberos 5 tagged data
+ */
+struct krb5_tagged_data {
+ /* for tag value, see /usr/include/krb5/krb5.h
+ * - KRB5_AUTHDATA_* for auth data
+ * -
+ */
+ s32 tag;
+ u32 data_len;
+ u8 *data;
+};
+
+/*
+ * RxRPC key for Kerberos V (type-5 security)
+ */
+struct rxk5_key {
+ u64 authtime; /* time at which auth token generated */
+ u64 starttime; /* time at which auth token starts */
+ u64 endtime; /* time at which auth token expired */
+ u64 renew_till; /* time to which auth token can be renewed */
+ s32 is_skey; /* T if ticket is encrypted in another ticket's
+ * skey */
+ s32 flags; /* mask of TKT_FLG_* bits (krb5/krb5.h) */
+ struct krb5_principal client; /* client principal name */
+ struct krb5_principal server; /* server principal name */
+ u16 ticket_len; /* length of ticket */
+ u16 ticket2_len; /* length of second ticket */
+ u8 n_authdata; /* number of authorisation data elements */
+ u8 n_addresses; /* number of addresses */
+ struct krb5_tagged_data session; /* session data; tag is enctype */
+ struct krb5_tagged_data *addresses; /* addresses */
+ u8 *ticket; /* krb5 ticket */
+ u8 *ticket2; /* second krb5 ticket, if related to ticket (via
+ * DUPLICATE-SKEY or ENC-TKT-IN-SKEY) */
+ struct krb5_tagged_data *authdata; /* authorisation data */
+};
+
+/*
+ * list of tokens attached to an rxrpc key
+ */
+struct rxrpc_key_token {
+ u16 security_index; /* RxRPC header security index */
+ struct rxrpc_key_token *next; /* the next token in the list */
+ union {
+ struct rxkad_key *kad;
+ struct rxk5_key *k5;
+ };
+};
+
+/*
+ * structure of raw payloads passed to add_key() or instantiate key
+ */
+struct rxrpc_key_data_v1 {
+ u32 kif_version; /* 1 */
+ u16 security_index;
+ u16 ticket_length;
+ u32 expiry; /* time_t */
+ u32 kvno;
+ u8 session_key[8];
+ u8 ticket[0];
+};
+
+/*
+ * AF_RXRPC key payload derived from XDR format
+ * - based on openafs-1.4.10/src/auth/afs_token.xg
+ */
+#define AFSTOKEN_LENGTH_MAX 16384 /* max payload size */
+#define AFSTOKEN_STRING_MAX 256 /* max small string length */
+#define AFSTOKEN_DATA_MAX 64 /* max small data length */
+#define AFSTOKEN_CELL_MAX 64 /* max cellname length */
+#define AFSTOKEN_MAX 8 /* max tokens per payload */
+#define AFSTOKEN_BDATALN_MAX 16384 /* max big data length */
+#define AFSTOKEN_RK_TIX_MAX 12000 /* max RxKAD ticket size */
+#define AFSTOKEN_GK_KEY_MAX 64 /* max GSSAPI key size */
+#define AFSTOKEN_GK_TOKEN_MAX 16384 /* max GSSAPI token size */
+#define AFSTOKEN_K5_COMPONENTS_MAX 16 /* max K5 components */
+#define AFSTOKEN_K5_NAME_MAX 128 /* max K5 name length */
+#define AFSTOKEN_K5_REALM_MAX 64 /* max K5 realm name length */
+#define AFSTOKEN_K5_TIX_MAX 16384 /* max K5 ticket size */
+#define AFSTOKEN_K5_ADDRESSES_MAX 16 /* max K5 addresses */
+#define AFSTOKEN_K5_AUTHDATA_MAX 16 /* max K5 pieces of auth data */
+
#endif /* _KEYS_RXRPC_TYPE_H */