hostap/src/tls/tlsv1_client_i.h

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/*
* TLSv1 client - internal structures
* Copyright (c) 2006-2011, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#ifndef TLSV1_CLIENT_I_H
#define TLSV1_CLIENT_I_H
struct tlsv1_client {
enum {
CLIENT_HELLO, SERVER_HELLO, SERVER_CERTIFICATE,
SERVER_KEY_EXCHANGE, SERVER_CERTIFICATE_REQUEST,
SERVER_HELLO_DONE, CLIENT_KEY_EXCHANGE, CHANGE_CIPHER_SPEC,
SERVER_CHANGE_CIPHER_SPEC, SERVER_FINISHED, ACK_FINISHED,
ESTABLISHED, FAILED
} state;
struct tlsv1_record_layer rl;
u8 session_id[TLS_SESSION_ID_MAX_LEN];
size_t session_id_len;
u8 client_random[TLS_RANDOM_LEN];
u8 server_random[TLS_RANDOM_LEN];
u8 master_secret[TLS_MASTER_SECRET_LEN];
u8 alert_level;
u8 alert_description;
unsigned int flags; /* TLS_CONN_* bitfield */
unsigned int certificate_requested:1;
unsigned int session_resumed:1;
unsigned int session_ticket_included:1;
unsigned int use_session_ticket:1;
unsigned int cert_in_cb:1;
unsigned int ocsp_resp_received:1;
struct crypto_public_key *server_rsa_key;
struct tls_verify_hash verify;
#define MAX_CIPHER_COUNT 30
u16 cipher_suites[MAX_CIPHER_COUNT];
size_t num_cipher_suites;
u16 prev_cipher_suite;
u8 *client_hello_ext;
size_t client_hello_ext_len;
/* The prime modulus used for Diffie-Hellman */
u8 *dh_p;
size_t dh_p_len;
/* The generator used for Diffie-Hellman */
u8 *dh_g;
size_t dh_g_len;
/* The server's Diffie-Hellman public value */
u8 *dh_ys;
size_t dh_ys_len;
struct tlsv1_credentials *cred;
tlsv1_client_session_ticket_cb session_ticket_cb;
void *session_ticket_cb_ctx;
struct wpabuf *partial_input;
void (*event_cb)(void *ctx, enum tls_event ev,
union tls_event_data *data);
void *cb_ctx;
struct x509_certificate *server_cert;
};
void tls_alert(struct tlsv1_client *conn, u8 level, u8 description);
void tlsv1_client_free_dh(struct tlsv1_client *conn);
int tls_derive_pre_master_secret(u8 *pre_master_secret);
int tls_derive_keys(struct tlsv1_client *conn,
const u8 *pre_master_secret, size_t pre_master_secret_len);
u8 * tls_send_client_hello(struct tlsv1_client *conn, size_t *out_len);
u8 * tlsv1_client_send_alert(struct tlsv1_client *conn, u8 level,
u8 description, size_t *out_len);
u8 * tlsv1_client_handshake_write(struct tlsv1_client *conn, size_t *out_len,
int no_appl_data);
int tlsv1_client_process_handshake(struct tlsv1_client *conn, u8 ct,
const u8 *buf, size_t *len,
u8 **out_data, size_t *out_len);
enum tls_ocsp_result {
TLS_OCSP_NO_RESPONSE, TLS_OCSP_INVALID, TLS_OCSP_GOOD, TLS_OCSP_REVOKED
};
enum tls_ocsp_result tls_process_ocsp_response(struct tlsv1_client *conn,
const u8 *resp, size_t len);
#endif /* TLSV1_CLIENT_I_H */