18d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* 28d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * IKEv2 initiator (RFC 4306) for EAP-IKEV2 38d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Copyright (c) 2007, Jouni Malinen <j@w1.fi> 48d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 5c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * This software may be distributed under the terms of the BSD license. 6c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * See README for more details. 78d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 88d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 98d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef IKEV2_H 108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define IKEV2_H 118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "eap_common/ikev2_common.h" 138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct ikev2_proposal_data { 158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 proposal_num; 168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int integ; 178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int prf; 188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int encr; 198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int dh; 208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt}; 218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct ikev2_initiator_data { 248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt enum { SA_INIT, SA_AUTH, CHILD_SA, IKEV2_DONE } state; 258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 i_spi[IKEV2_SPI_LEN]; 268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 r_spi[IKEV2_SPI_LEN]; 278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 i_nonce[IKEV2_NONCE_MAX_LEN]; 288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t i_nonce_len; 298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 r_nonce[IKEV2_NONCE_MAX_LEN]; 308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t r_nonce_len; 318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *r_dh_public; 328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *i_dh_private; 338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct ikev2_proposal_data proposal; 348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct dh_group *dh; 358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct ikev2_keys keys; 368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *IDi; 378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t IDi_len; 388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *IDr; 398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t IDr_len; 408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 IDr_type; 418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *r_sign_msg; 428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *i_sign_msg; 438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *shared_secret; 448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t shared_secret_len; 458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt enum { PEER_AUTH_CERT, PEER_AUTH_SECRET } peer_auth; 468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *key_pad; 478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t key_pad_len; 488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 * (*get_shared_secret)(void *ctx, const u8 *IDr, 508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t IDr_len, size_t *secret_len); 518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt void *cb_ctx; 528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int unknown_user; 538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt}; 548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid ikev2_initiator_deinit(struct ikev2_initiator_data *data); 578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint ikev2_initiator_process(struct ikev2_initiator_data *data, 588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wpabuf *buf); 598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct wpabuf * ikev2_initiator_build(struct ikev2_initiator_data *data); 608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* IKEV2_H */ 62