/*

 * Copyright (C) 2005-2012 Free Software Foundation, Inc.

 *

 * Author: Nikos Mavrogiannopoulos

 *

 * This file is part of GnuTLS.

 *

 * The GnuTLS is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public License

 * as published by the Free Software Foundation; either version 2.1 of

 * the License, or (at your option) any later version.

 *

 * This library is distributed in the hope that it will be useful, but

 * WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public License

 * along with this program.  If not, see <https://www.gnu.org/licenses/>

 *

 */

#ifndef GNUTLS_LIB_AUTH_PSK_H

#define GNUTLS_LIB_AUTH_PSK_H

#include "auth.h"

#include "auth/dh_common.h"

#define _gnutls_copy_psk_username(info, datum)                            \

  _gnutls_copy_psk_string(&(info)->username, &(info)->username_len, \

        (datum))

#define _gnutls_copy_psk_hint(info, datum) \

  _gnutls_copy_psk_string(&(info)->hint, &(info)->hint_len, (datum))

typedef struct gnutls_psk_client_credentials_st {

  gnutls_datum_t username;

  gnutls_datum_t key;

  gnutls_psk_client_credentials_function3 *get_function;

  gnutls_psk_client_credentials_function2 *get_function2;

  gnutls_psk_client_credentials_function *get_function1;

  /* TLS 1.3 - The HMAC algorithm to use to compute the binder values */

  const mac_entry_st *binder_algo;

} psk_client_credentials_st;

typedef struct gnutls_psk_server_credentials_st {

  char *password_file;

  /* callback functions, instead of reading the password files.

   */

  gnutls_psk_server_credentials_function3 *pwd_callback;

  gnutls_psk_server_credentials_function2 *pwd_callback2;

  gnutls_psk_server_credentials_function *pwd_callback1;

  /* For DHE_PSK */

  gnutls_dh_params_t dh_params;

  unsigned int deinit_dh_params;

  gnutls_sec_param_t dh_sec_param;

  /* this callback is used to retrieve the DH or RSA

   * parameters.

   */

  gnutls_params_function *params_func;

  /* Identity hint. */

  char *hint;

  /* TLS 1.3 - HMAC algorithm for the binder values */

  const mac_entry_st *binder_algo;

} psk_server_cred_st;

typedef struct psk_auth_info_st {

  char *username;

  uint16_t username_len;

  dh_info_st dh;

  char *hint;

  uint16_t hint_len;

} *psk_auth_info_t;

typedef struct psk_auth_info_st psk_auth_info_st;

inline static int _gnutls_copy_psk_string(char **dest, uint16_t *dest_len,

            const gnutls_datum_t str)

{

  char *_tmp;

  assert(MAX_USERNAME_SIZE >= str.size);

  _tmp = gnutls_malloc(str.size + 1);

  if (_tmp == NULL)

    return GNUTLS_E_MEMORY_ERROR;

  memcpy(_tmp, str.data, str.size);

  _tmp[str.size] = '\0';

  gnutls_free(*dest);

  *dest = _tmp;

  *dest_len = str.size;

  return GNUTLS_E_SUCCESS;

}

Unexecuted instantiation: handshake-tls13.c:_gnutls_copy_psk_string

Unexecuted instantiation: handshake.c:_gnutls_copy_psk_string

Unexecuted instantiation: hello_ext.c:_gnutls_copy_psk_string

Unexecuted instantiation: auth.c:_gnutls_copy_psk_string

Unexecuted instantiation: session_pack.c:_gnutls_copy_psk_string

Unexecuted instantiation: fingerprint.c:_gnutls_copy_psk_string

Unexecuted instantiation: state.c:_gnutls_copy_psk_string

Unexecuted instantiation: dh-session.c:_gnutls_copy_psk_string

Unexecuted instantiation: cert-session.c:_gnutls_copy_psk_string

Unexecuted instantiation: handshake-checks.c:_gnutls_copy_psk_string

Unexecuted instantiation: session_ticket.c:_gnutls_copy_psk_string

Unexecuted instantiation: psk.c:_gnutls_copy_psk_string

Unexecuted instantiation: key_share.c:_gnutls_copy_psk_string

Unexecuted instantiation: pre_shared_key.c:_gnutls_copy_psk_string

Unexecuted instantiation: psk_ke_modes.c:_gnutls_copy_psk_string

Unexecuted instantiation: supported_groups.c:_gnutls_copy_psk_string

Unexecuted instantiation: dh_common.c:_gnutls_copy_psk_string

Unexecuted instantiation: psk_passwd.c:_gnutls_copy_psk_string

Unexecuted instantiation: ciphersuites.c:_gnutls_copy_psk_string

Unexecuted instantiation: dhe_psk.c:_gnutls_copy_psk_string

Unexecuted instantiation: ecdhe.c:_gnutls_copy_psk_string

Unexecuted instantiation: rsa_psk.c:_gnutls_copy_psk_string

#ifdef ENABLE_PSK

int _gnutls_set_psk_session_key(gnutls_session_t session, gnutls_datum_t *key,

        gnutls_datum_t *psk2);

int _gnutls_gen_psk_server_kx(gnutls_session_t session, gnutls_buffer_st *data);

int _gnutls_gen_psk_client_kx(gnutls_session_t, gnutls_buffer_st *);

#else

#define _gnutls_set_psk_session_key(x, y, z) GNUTLS_E_UNIMPLEMENTED_FEATURE

#endif /* ENABLE_PSK */

#endif /* GNUTLS_LIB_AUTH_PSK_H */