1189251Ssam/* 2189251Ssam * IKEv2 responder (RFC 4306) for EAP-IKEV2 3189251Ssam * Copyright (c) 2007, Jouni Malinen <j@w1.fi> 4189251Ssam * 5252726Srpaulo * This software may be distributed under the terms of the BSD license. 6252726Srpaulo * See README for more details. 7189251Ssam */ 8189251Ssam 9189251Ssam#ifndef IKEV2_H 10189251Ssam#define IKEV2_H 11189251Ssam 12189251Ssam#include "eap_common/ikev2_common.h" 13189251Ssam 14189251Ssamstruct ikev2_proposal_data { 15189251Ssam u8 proposal_num; 16189251Ssam int integ; 17189251Ssam int prf; 18189251Ssam int encr; 19189251Ssam int dh; 20189251Ssam}; 21189251Ssam 22189251Ssam 23189251Ssamstruct ikev2_responder_data { 24189251Ssam enum { SA_INIT, SA_AUTH, CHILD_SA, NOTIFY, IKEV2_DONE, IKEV2_FAILED } 25189251Ssam state; 26189251Ssam u8 i_spi[IKEV2_SPI_LEN]; 27189251Ssam u8 r_spi[IKEV2_SPI_LEN]; 28189251Ssam u8 i_nonce[IKEV2_NONCE_MAX_LEN]; 29189251Ssam size_t i_nonce_len; 30189251Ssam u8 r_nonce[IKEV2_NONCE_MAX_LEN]; 31189251Ssam size_t r_nonce_len; 32189251Ssam struct wpabuf *i_dh_public; 33189251Ssam struct wpabuf *r_dh_private; 34189251Ssam struct ikev2_proposal_data proposal; 35189251Ssam const struct dh_group *dh; 36189251Ssam struct ikev2_keys keys; 37189251Ssam u8 *IDi; 38189251Ssam size_t IDi_len; 39189251Ssam u8 IDi_type; 40189251Ssam u8 *IDr; 41189251Ssam size_t IDr_len; 42189251Ssam struct wpabuf *r_sign_msg; 43189251Ssam struct wpabuf *i_sign_msg; 44189251Ssam u8 *shared_secret; 45189251Ssam size_t shared_secret_len; 46189251Ssam enum { PEER_AUTH_CERT, PEER_AUTH_SECRET } peer_auth; 47189251Ssam u8 *key_pad; 48189251Ssam size_t key_pad_len; 49189251Ssam u16 error_type; 50189251Ssam enum { LAST_MSG_SA_INIT, LAST_MSG_SA_AUTH } last_msg; 51189251Ssam}; 52189251Ssam 53189251Ssam 54189251Ssamvoid ikev2_responder_deinit(struct ikev2_responder_data *data); 55189251Ssamint ikev2_responder_process(struct ikev2_responder_data *data, 56189251Ssam const struct wpabuf *buf); 57189251Ssamstruct wpabuf * ikev2_responder_build(struct ikev2_responder_data *data); 58189251Ssam 59189251Ssam#endif /* IKEV2_H */ 60