18d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* 28d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * TLSv1 client - internal structures 3c55524ad84d13014e8019491c2b17e5dcf13545aDmitry Shmidt * Copyright (c) 2006-2011, Jouni Malinen <j@w1.fi> 48d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 5c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * This software may be distributed under the terms of the BSD license. 6c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * See README for more details. 78d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 88d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 98d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef TLSV1_CLIENT_I_H 108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define TLSV1_CLIENT_I_H 118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct tlsv1_client { 138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt enum { 148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt CLIENT_HELLO, SERVER_HELLO, SERVER_CERTIFICATE, 158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SERVER_KEY_EXCHANGE, SERVER_CERTIFICATE_REQUEST, 168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SERVER_HELLO_DONE, CLIENT_KEY_EXCHANGE, CHANGE_CIPHER_SPEC, 178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SERVER_CHANGE_CIPHER_SPEC, SERVER_FINISHED, ACK_FINISHED, 188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ESTABLISHED, FAILED 198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } state; 208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct tlsv1_record_layer rl; 228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 session_id[TLS_SESSION_ID_MAX_LEN]; 248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t session_id_len; 258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 client_random[TLS_RANDOM_LEN]; 268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 server_random[TLS_RANDOM_LEN]; 278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 master_secret[TLS_MASTER_SECRET_LEN]; 288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 alert_level; 308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 alert_description; 318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int certificate_requested:1; 338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int session_resumed:1; 348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int session_ticket_included:1; 358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int use_session_ticket:1; 36c55524ad84d13014e8019491c2b17e5dcf13545aDmitry Shmidt unsigned int disable_time_checks:1; 378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct crypto_public_key *server_rsa_key; 398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct tls_verify_hash verify; 418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define MAX_CIPHER_COUNT 30 438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 cipher_suites[MAX_CIPHER_COUNT]; 448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t num_cipher_suites; 458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 prev_cipher_suite; 478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *client_hello_ext; 498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t client_hello_ext_len; 508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* The prime modulus used for Diffie-Hellman */ 528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *dh_p; 538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t dh_p_len; 548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* The generator used for Diffie-Hellman */ 558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *dh_g; 568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t dh_g_len; 578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* The server's Diffie-Hellman public value */ 588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *dh_ys; 598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t dh_ys_len; 608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct tlsv1_credentials *cred; 628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tlsv1_client_session_ticket_cb session_ticket_cb; 648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt void *session_ticket_cb_ctx; 651f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 661f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt struct wpabuf *partial_input; 678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt}; 688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid tls_alert(struct tlsv1_client *conn, u8 level, u8 description); 718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid tlsv1_client_free_dh(struct tlsv1_client *conn); 728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint tls_derive_pre_master_secret(u8 *pre_master_secret); 738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint tls_derive_keys(struct tlsv1_client *conn, 748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *pre_master_secret, size_t pre_master_secret_len); 758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtu8 * tls_send_client_hello(struct tlsv1_client *conn, size_t *out_len); 768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtu8 * tlsv1_client_send_alert(struct tlsv1_client *conn, u8 level, 778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 description, size_t *out_len); 788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtu8 * tlsv1_client_handshake_write(struct tlsv1_client *conn, size_t *out_len, 798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int no_appl_data); 808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint tlsv1_client_process_handshake(struct tlsv1_client *conn, u8 ct, 818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *buf, size_t *len, 828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 **out_data, size_t *out_len); 838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* TLSV1_CLIENT_I_H */ 85