1  /*
2   * TLSv1 server - internal structures
3   * Copyright (c) 2006-2007, Jouni Malinen <j@w1.fi>
4   *
5   * This software may be distributed under the terms of the BSD license.
6   * See README for more details.
7   */
8  
9  #ifndef TLSV1_SERVER_I_H
10  #define TLSV1_SERVER_I_H
11  
12  struct tlsv1_server {
13  	enum {
14  		CLIENT_HELLO, SERVER_HELLO, SERVER_CERTIFICATE,
15  		SERVER_KEY_EXCHANGE, SERVER_CERTIFICATE_REQUEST,
16  		SERVER_HELLO_DONE, CLIENT_CERTIFICATE, CLIENT_KEY_EXCHANGE,
17  		CERTIFICATE_VERIFY, CHANGE_CIPHER_SPEC, CLIENT_FINISHED,
18  		SERVER_CHANGE_CIPHER_SPEC, SERVER_FINISHED,
19  		ESTABLISHED, FAILED
20  	} state;
21  
22  	struct tlsv1_record_layer rl;
23  
24  	u8 session_id[TLS_SESSION_ID_MAX_LEN];
25  	size_t session_id_len;
26  	u8 client_random[TLS_RANDOM_LEN];
27  	u8 server_random[TLS_RANDOM_LEN];
28  	u8 master_secret[TLS_MASTER_SECRET_LEN];
29  
30  	u8 alert_level;
31  	u8 alert_description;
32  
33  	int read_alerts, write_alerts;
34  
35  	struct crypto_public_key *client_rsa_key;
36  
37  	struct tls_verify_hash verify;
38  
39  #define MAX_CIPHER_COUNT 30
40  	u16 cipher_suites[MAX_CIPHER_COUNT];
41  	size_t num_cipher_suites;
42  
43  	u16 cipher_suite;
44  
45  	struct tlsv1_credentials *cred;
46  
47  	int verify_peer;
48  	u16 client_version;
49  
50  	u8 *session_ticket;
51  	size_t session_ticket_len;
52  
53  	tlsv1_server_session_ticket_cb session_ticket_cb;
54  	void *session_ticket_cb_ctx;
55  
56  	void (*log_cb)(void *ctx, const char *msg);
57  	void *log_cb_ctx;
58  
59  	int use_session_ticket;
60  	unsigned int status_request:1;
61  	unsigned int status_request_v2:1;
62  	unsigned int status_request_multi:1;
63  
64  	u8 *dh_secret;
65  	size_t dh_secret_len;
66  
67  #ifdef CONFIG_TESTING_OPTIONS
68  	u32 test_flags;
69  	int test_failure_reported;
70  #endif /* CONFIG_TESTING_OPTIONS */
71  };
72  
73  
74  void tlsv1_server_log(struct tlsv1_server *conn, const char *fmt, ...)
75  PRINTF_FORMAT(2, 3);
76  
77  void tlsv1_server_alert(struct tlsv1_server *conn, u8 level, u8 description);
78  int tlsv1_server_derive_keys(struct tlsv1_server *conn,
79  			     const u8 *pre_master_secret,
80  			     size_t pre_master_secret_len);
81  u8 * tlsv1_server_handshake_write(struct tlsv1_server *conn, size_t *out_len);
82  u8 * tlsv1_server_send_alert(struct tlsv1_server *conn, u8 level,
83  			     u8 description, size_t *out_len);
84  int tlsv1_server_process_handshake(struct tlsv1_server *conn, u8 ct,
85  				   const u8 *buf, size_t *len);
86  void tlsv1_server_get_dh_p(struct tlsv1_server *conn, const u8 **dh_p,
87  			   size_t *dh_p_len);
88  
89  #endif /* TLSV1_SERVER_I_H */
90