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      1 /*
      2  * TLSv1 server - internal structures
      3  * Copyright (c) 2006-2007, Jouni Malinen <j (at) 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