dist/wpa/src/eap_peer/ikev2.h

   1 /*
   2  * IKEv2 responder (RFC 4306) for EAP-IKEV2
   3  * Copyright (c) 2007, Jouni Malinen <j@w1.fi>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License version 2 as
   7  * published by the Free Software Foundation.
   8  *
   9  * Alternatively, this software may be distributed under the terms of BSD
  10  * license.
  11  *
  12  * See README and COPYING for more details.
  13  */
  14
  15 #ifndef IKEV2_H
  16 #define IKEV2_H
  17
  18 #include "eap_common/ikev2_common.h"
  19
  20 struct ikev2_proposal_data {
  21         u8 proposal_num;
  22         int integ;
  23         int prf;
  24         int encr;
  25         int dh;
  26 };
  27
  28
  29 struct ikev2_responder_data {
  30         enum { SA_INIT, SA_AUTH, CHILD_SA, NOTIFY, IKEV2_DONE, IKEV2_FAILED }
  31                 state;
  32         u8 i_spi[IKEV2_SPI_LEN];
  33         u8 r_spi[IKEV2_SPI_LEN];
  34         u8 i_nonce[IKEV2_NONCE_MAX_LEN];
  35         size_t i_nonce_len;
  36         u8 r_nonce[IKEV2_NONCE_MAX_LEN];
  37         size_t r_nonce_len;
  38         struct wpabuf *i_dh_public;
  39         struct wpabuf *r_dh_private;
  40         struct ikev2_proposal_data proposal;
  41         const struct dh_group *dh;
  42         struct ikev2_keys keys;
  43         u8 *IDi;
  44         size_t IDi_len;
  45         u8 IDi_type;
  46         u8 *IDr;
  47         size_t IDr_len;
  48         struct wpabuf *r_sign_msg;
  49         struct wpabuf *i_sign_msg;
  50         u8 *shared_secret;
  51         size_t shared_secret_len;
  52         enum { PEER_AUTH_CERT, PEER_AUTH_SECRET } peer_auth;
  53         u8 *key_pad;
  54         size_t key_pad_len;
  55         u16 error_type;
  56         enum { LAST_MSG_SA_INIT, LAST_MSG_SA_AUTH } last_msg;
  57 };
  58
  59
  60 void ikev2_responder_deinit(struct ikev2_responder_data *data);
  61 int ikev2_responder_process(struct ikev2_responder_data *data,
  62                             const struct wpabuf *buf);
  63 struct wpabuf * ikev2_responder_build(struct ikev2_responder_data *data);
  64
  65 #endif /* IKEV2_H */