1 /*
2  * TLSv1 server - internal structures
3  * Copyright (c) 2006-2007, Jouni Malinen <j@w1.fi>
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License version 2 as
7  * published by the Free Software Foundation.
8  *
9  * Alternatively, this software may be distributed under the terms of BSD
10  * license.
11  *
12  * See README and COPYING for more details.
13  */
14 
15 #ifndef TLSV1_SERVER_I_H
16 #define TLSV1_SERVER_I_H
17 
18 struct tlsv1_server {
19 	enum {
20 		CLIENT_HELLO, SERVER_HELLO, SERVER_CERTIFICATE,
21 		SERVER_KEY_EXCHANGE, SERVER_CERTIFICATE_REQUEST,
22 		SERVER_HELLO_DONE, CLIENT_CERTIFICATE, CLIENT_KEY_EXCHANGE,
23 		CERTIFICATE_VERIFY, CHANGE_CIPHER_SPEC, CLIENT_FINISHED,
24 		SERVER_CHANGE_CIPHER_SPEC, SERVER_FINISHED,
25 		ESTABLISHED, FAILED
26 	} state;
27 
28 	struct tlsv1_record_layer rl;
29 
30 	u8 session_id[TLS_SESSION_ID_MAX_LEN];
31 	size_t session_id_len;
32 	u8 client_random[TLS_RANDOM_LEN];
33 	u8 server_random[TLS_RANDOM_LEN];
34 	u8 master_secret[TLS_MASTER_SECRET_LEN];
35 
36 	u8 alert_level;
37 	u8 alert_description;
38 
39 	struct crypto_public_key *client_rsa_key;
40 
41 	struct tls_verify_hash verify;
42 
43 #define MAX_CIPHER_COUNT 30
44 	u16 cipher_suites[MAX_CIPHER_COUNT];
45 	size_t num_cipher_suites;
46 
47 	u16 cipher_suite;
48 
49 	struct tlsv1_credentials *cred;
50 
51 	int verify_peer;
52 	u16 client_version;
53 
54 	u8 *session_ticket;
55 	size_t session_ticket_len;
56 
57 	tlsv1_server_session_ticket_cb session_ticket_cb;
58 	void *session_ticket_cb_ctx;
59 
60 	int use_session_ticket;
61 
62 	u8 *dh_secret;
63 	size_t dh_secret_len;
64 };
65 
66 
67 void tlsv1_server_alert(struct tlsv1_server *conn, u8 level, u8 description);
68 int tlsv1_server_derive_keys(struct tlsv1_server *conn,
69 			     const u8 *pre_master_secret,
70 			     size_t pre_master_secret_len);
71 u8 * tlsv1_server_handshake_write(struct tlsv1_server *conn, size_t *out_len);
72 u8 * tlsv1_server_send_alert(struct tlsv1_server *conn, u8 level,
73 			     u8 description, size_t *out_len);
74 int tlsv1_server_process_handshake(struct tlsv1_server *conn, u8 ct,
75 				   const u8 *buf, size_t *len);
76 
77 #endif /* TLSV1_SERVER_I_H */
78