/*

 * 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_function2 *get_function;

  gnutls_psk_client_credentials_function *get_function_legacy;

  /* 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 function, instead of reading the

   * password files.

   */

  gnutls_psk_server_credentials_function2 *pwd_callback;

  gnutls_psk_server_credentials_function *pwd_callback_legacy;

  /* 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: 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

# 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 */