1189251Ssam/* 2189251Ssam * TLSv1 client - internal structures 3252726Srpaulo * Copyright (c) 2006-2011, Jouni Malinen <j@w1.fi> 4189251Ssam * 5252726Srpaulo * This software may be distributed under the terms of the BSD license. 6252726Srpaulo * See README for more details. 7189251Ssam */ 8189251Ssam 9189251Ssam#ifndef TLSV1_CLIENT_I_H 10189251Ssam#define TLSV1_CLIENT_I_H 11189251Ssam 12189251Ssamstruct tlsv1_client { 13189251Ssam enum { 14189251Ssam CLIENT_HELLO, SERVER_HELLO, SERVER_CERTIFICATE, 15189251Ssam SERVER_KEY_EXCHANGE, SERVER_CERTIFICATE_REQUEST, 16189251Ssam SERVER_HELLO_DONE, CLIENT_KEY_EXCHANGE, CHANGE_CIPHER_SPEC, 17189251Ssam SERVER_CHANGE_CIPHER_SPEC, SERVER_FINISHED, ACK_FINISHED, 18189251Ssam ESTABLISHED, FAILED 19189251Ssam } state; 20189251Ssam 21189251Ssam struct tlsv1_record_layer rl; 22189251Ssam 23189251Ssam u8 session_id[TLS_SESSION_ID_MAX_LEN]; 24189251Ssam size_t session_id_len; 25189251Ssam u8 client_random[TLS_RANDOM_LEN]; 26189251Ssam u8 server_random[TLS_RANDOM_LEN]; 27189251Ssam u8 master_secret[TLS_MASTER_SECRET_LEN]; 28189251Ssam 29189251Ssam u8 alert_level; 30189251Ssam u8 alert_description; 31189251Ssam 32189251Ssam unsigned int certificate_requested:1; 33189251Ssam unsigned int session_resumed:1; 34189251Ssam unsigned int session_ticket_included:1; 35189251Ssam unsigned int use_session_ticket:1; 36252726Srpaulo unsigned int disable_time_checks:1; 37189251Ssam 38189251Ssam struct crypto_public_key *server_rsa_key; 39189251Ssam 40189251Ssam struct tls_verify_hash verify; 41189251Ssam 42189251Ssam#define MAX_CIPHER_COUNT 30 43189251Ssam u16 cipher_suites[MAX_CIPHER_COUNT]; 44189251Ssam size_t num_cipher_suites; 45189251Ssam 46189251Ssam u16 prev_cipher_suite; 47189251Ssam 48189251Ssam u8 *client_hello_ext; 49189251Ssam size_t client_hello_ext_len; 50189251Ssam 51189251Ssam /* The prime modulus used for Diffie-Hellman */ 52189251Ssam u8 *dh_p; 53189251Ssam size_t dh_p_len; 54189251Ssam /* The generator used for Diffie-Hellman */ 55189251Ssam u8 *dh_g; 56189251Ssam size_t dh_g_len; 57189251Ssam /* The server's Diffie-Hellman public value */ 58189251Ssam u8 *dh_ys; 59189251Ssam size_t dh_ys_len; 60189251Ssam 61189251Ssam struct tlsv1_credentials *cred; 62189251Ssam 63189251Ssam tlsv1_client_session_ticket_cb session_ticket_cb; 64189251Ssam void *session_ticket_cb_ctx; 65252726Srpaulo 66252726Srpaulo struct wpabuf *partial_input; 67189251Ssam}; 68189251Ssam 69189251Ssam 70189251Ssamvoid tls_alert(struct tlsv1_client *conn, u8 level, u8 description); 71189251Ssamvoid tlsv1_client_free_dh(struct tlsv1_client *conn); 72189251Ssamint tls_derive_pre_master_secret(u8 *pre_master_secret); 73189251Ssamint tls_derive_keys(struct tlsv1_client *conn, 74189251Ssam const u8 *pre_master_secret, size_t pre_master_secret_len); 75189251Ssamu8 * tls_send_client_hello(struct tlsv1_client *conn, size_t *out_len); 76189251Ssamu8 * tlsv1_client_send_alert(struct tlsv1_client *conn, u8 level, 77189251Ssam u8 description, size_t *out_len); 78189251Ssamu8 * tlsv1_client_handshake_write(struct tlsv1_client *conn, size_t *out_len, 79189251Ssam int no_appl_data); 80189251Ssamint tlsv1_client_process_handshake(struct tlsv1_client *conn, u8 ct, 81189251Ssam const u8 *buf, size_t *len, 82189251Ssam u8 **out_data, size_t *out_len); 83189251Ssam 84189251Ssam#endif /* TLSV1_CLIENT_I_H */ 85