Merge tag 'upstream/0.9.2' into debian
[mech_eap.git] / libeap / src / eap_server / eap_server_peap.c
diff --git a/libeap/src/eap_server/eap_server_peap.c b/libeap/src/eap_server/eap_server_peap.c
deleted file mode 100644 (file)
index 674ecd2..0000000
+++ /dev/null
@@ -1,1386 +0,0 @@
-/*
- * hostapd / EAP-PEAP (draft-josefsson-pppext-eap-tls-eap-10.txt)
- * Copyright (c) 2004-2008, Jouni Malinen <j@w1.fi>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * Alternatively, this software may be distributed under the terms of BSD
- * license.
- *
- * See README and COPYING for more details.
- */
-
-#include "includes.h"
-
-#include "common.h"
-#include "crypto/sha1.h"
-#include "crypto/tls.h"
-#include "eap_i.h"
-#include "eap_tls_common.h"
-#include "eap_common/eap_tlv_common.h"
-#include "eap_common/eap_peap_common.h"
-#include "tncs.h"
-
-
-/* Maximum supported PEAP version
- * 0 = Microsoft's PEAP version 0; draft-kamath-pppext-peapv0-00.txt
- * 1 = draft-josefsson-ppext-eap-tls-eap-05.txt
- * 2 = draft-josefsson-ppext-eap-tls-eap-10.txt
- */
-#define EAP_PEAP_VERSION 1
-
-
-static void eap_peap_reset(struct eap_sm *sm, void *priv);
-
-
-struct eap_peap_data {
-       struct eap_ssl_data ssl;
-       enum {
-               START, PHASE1, PHASE1_ID2, PHASE2_START, PHASE2_ID,
-               PHASE2_METHOD, PHASE2_SOH,
-               PHASE2_TLV, SUCCESS_REQ, FAILURE_REQ, SUCCESS, FAILURE
-       } state;
-
-       int peap_version;
-       int recv_version;
-       const struct eap_method *phase2_method;
-       void *phase2_priv;
-       int force_version;
-       struct wpabuf *pending_phase2_resp;
-       enum { TLV_REQ_NONE, TLV_REQ_SUCCESS, TLV_REQ_FAILURE } tlv_request;
-       int crypto_binding_sent;
-       int crypto_binding_used;
-       enum { NO_BINDING, OPTIONAL_BINDING, REQUIRE_BINDING } crypto_binding;
-       u8 binding_nonce[32];
-       u8 ipmk[40];
-       u8 cmk[20];
-       u8 *phase2_key;
-       size_t phase2_key_len;
-       struct wpabuf *soh_response;
-};
-
-
-static const char * eap_peap_state_txt(int state)
-{
-       switch (state) {
-       case START:
-               return "START";
-       case PHASE1:
-               return "PHASE1";
-       case PHASE1_ID2:
-               return "PHASE1_ID2";
-       case PHASE2_START:
-               return "PHASE2_START";
-       case PHASE2_ID:
-               return "PHASE2_ID";
-       case PHASE2_METHOD:
-               return "PHASE2_METHOD";
-       case PHASE2_SOH:
-               return "PHASE2_SOH";
-       case PHASE2_TLV:
-               return "PHASE2_TLV";
-       case SUCCESS_REQ:
-               return "SUCCESS_REQ";
-       case FAILURE_REQ:
-               return "FAILURE_REQ";
-       case SUCCESS:
-               return "SUCCESS";
-       case FAILURE:
-               return "FAILURE";
-       default:
-               return "Unknown?!";
-       }
-}
-
-
-static void eap_peap_state(struct eap_peap_data *data, int state)
-{
-       wpa_printf(MSG_DEBUG, "EAP-PEAP: %s -> %s",
-                  eap_peap_state_txt(data->state),
-                  eap_peap_state_txt(state));
-       data->state = state;
-}
-
-
-static struct wpabuf * eap_peapv2_tlv_eap_payload(struct wpabuf *buf)
-{
-       struct wpabuf *e;
-       struct eap_tlv_hdr *tlv;
-
-       if (buf == NULL)
-               return NULL;
-
-       /* Encapsulate EAP packet in EAP-Payload TLV */
-       wpa_printf(MSG_DEBUG, "EAP-PEAPv2: Add EAP-Payload TLV");
-       e = wpabuf_alloc(sizeof(*tlv) + wpabuf_len(buf));
-       if (e == NULL) {
-               wpa_printf(MSG_DEBUG, "EAP-PEAPv2: Failed to allocate memory "
-                          "for TLV encapsulation");
-               wpabuf_free(buf);
-               return NULL;
-       }
-       tlv = wpabuf_put(e, sizeof(*tlv));
-       tlv->tlv_type = host_to_be16(EAP_TLV_TYPE_MANDATORY |
-                                    EAP_TLV_EAP_PAYLOAD_TLV);
-       tlv->length = host_to_be16(wpabuf_len(buf));
-       wpabuf_put_buf(e, buf);
-       wpabuf_free(buf);
-       return e;
-}
-
-
-static void eap_peap_req_success(struct eap_sm *sm,
-                                struct eap_peap_data *data)
-{
-       if (data->state == FAILURE || data->state == FAILURE_REQ) {
-               eap_peap_state(data, FAILURE);
-               return;
-       }
-
-       if (data->peap_version == 0) {
-               data->tlv_request = TLV_REQ_SUCCESS;
-               eap_peap_state(data, PHASE2_TLV);
-       } else {
-               eap_peap_state(data, SUCCESS_REQ);
-       }
-}
-
-
-static void eap_peap_req_failure(struct eap_sm *sm,
-                                struct eap_peap_data *data)
-{
-       if (data->state == FAILURE || data->state == FAILURE_REQ ||
-           data->state == SUCCESS_REQ || data->tlv_request != TLV_REQ_NONE) {
-               eap_peap_state(data, FAILURE);
-               return;
-       }
-
-       if (data->peap_version == 0) {
-               data->tlv_request = TLV_REQ_FAILURE;
-               eap_peap_state(data, PHASE2_TLV);
-       } else {
-               eap_peap_state(data, FAILURE_REQ);
-       }
-}
-
-
-static void * eap_peap_init(struct eap_sm *sm)
-{
-       struct eap_peap_data *data;
-
-       data = os_zalloc(sizeof(*data));
-       if (data == NULL)
-               return NULL;
-       data->peap_version = EAP_PEAP_VERSION;
-       data->force_version = -1;
-       if (sm->user && sm->user->force_version >= 0) {
-               data->force_version = sm->user->force_version;
-               wpa_printf(MSG_DEBUG, "EAP-PEAP: forcing version %d",
-                          data->force_version);
-               data->peap_version = data->force_version;
-       }
-       data->state = START;
-       data->crypto_binding = OPTIONAL_BINDING;
-
-       if (eap_server_tls_ssl_init(sm, &data->ssl, 0)) {
-               wpa_printf(MSG_INFO, "EAP-PEAP: Failed to initialize SSL.");
-               eap_peap_reset(sm, data);
-               return NULL;
-       }
-
-       return data;
-}
-
-
-static void eap_peap_reset(struct eap_sm *sm, void *priv)
-{
-       struct eap_peap_data *data = priv;
-       if (data == NULL)
-               return;
-       if (data->phase2_priv && data->phase2_method)
-               data->phase2_method->reset(sm, data->phase2_priv);
-       eap_server_tls_ssl_deinit(sm, &data->ssl);
-       wpabuf_free(data->pending_phase2_resp);
-       os_free(data->phase2_key);
-       wpabuf_free(data->soh_response);
-       os_free(data);
-}
-
-
-static struct wpabuf * eap_peap_build_start(struct eap_sm *sm,
-                                           struct eap_peap_data *data, u8 id)
-{
-       struct wpabuf *req;
-
-       req = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_PEAP, 1,
-                           EAP_CODE_REQUEST, id);
-       if (req == NULL) {
-               wpa_printf(MSG_ERROR, "EAP-PEAP: Failed to allocate memory for"
-                          " request");
-               eap_peap_state(data, FAILURE);
-               return NULL;
-       }
-
-       wpabuf_put_u8(req, EAP_TLS_FLAGS_START | data->peap_version);
-
-       eap_peap_state(data, PHASE1);
-
-       return req;
-}
-
-
-static struct wpabuf * eap_peap_build_phase2_req(struct eap_sm *sm,
-                                                struct eap_peap_data *data,
-                                                u8 id)
-{
-       struct wpabuf *buf, *encr_req, msgbuf;
-       const u8 *req;
-       size_t req_len;
-
-       if (data->phase2_method == NULL || data->phase2_priv == NULL) {
-               wpa_printf(MSG_DEBUG, "EAP-PEAP: Phase 2 method not ready");
-               return NULL;
-       }
-       buf = data->phase2_method->buildReq(sm, data->phase2_priv, id);
-       if (data->peap_version >= 2 && buf)
-               buf = eap_peapv2_tlv_eap_payload(buf);
-       if (buf == NULL)
-               return NULL;
-
-       req = wpabuf_head(buf);
-       req_len = wpabuf_len(buf);
-       wpa_hexdump_key(MSG_DEBUG, "EAP-PEAP: Encrypting Phase 2 data",
-                       req, req_len);
-
-       if (data->peap_version == 0 &&
-           data->phase2_method->method != EAP_TYPE_TLV) {
-               req += sizeof(struct eap_hdr);
-               req_len -= sizeof(struct eap_hdr);
-       }
-
-       wpabuf_set(&msgbuf, req, req_len);
-       encr_req = eap_server_tls_encrypt(sm, &data->ssl, &msgbuf);
-       wpabuf_free(buf);
-
-       return encr_req;
-}
-
-
-#ifdef EAP_SERVER_TNC
-static struct wpabuf * eap_peap_build_phase2_soh(struct eap_sm *sm,
-                                                struct eap_peap_data *data,
-                                                u8 id)
-{
-       struct wpabuf *buf1, *buf, *encr_req, msgbuf;
-       const u8 *req;
-       size_t req_len;
-
-       buf1 = tncs_build_soh_request();
-       if (buf1 == NULL)
-               return NULL;
-
-       buf = eap_msg_alloc(EAP_VENDOR_MICROSOFT, 0x21, wpabuf_len(buf1),
-                           EAP_CODE_REQUEST, id);
-       if (buf == NULL) {
-               wpabuf_free(buf1);
-               return NULL;
-       }
-       wpabuf_put_buf(buf, buf1);
-       wpabuf_free(buf1);
-
-       req = wpabuf_head(buf);
-       req_len = wpabuf_len(buf);
-
-       wpa_hexdump_key(MSG_DEBUG, "EAP-PEAP: Encrypting Phase 2 SOH data",
-                       req, req_len);
-
-       req += sizeof(struct eap_hdr);
-       req_len -= sizeof(struct eap_hdr);
-       wpabuf_set(&msgbuf, req, req_len);
-
-       encr_req = eap_server_tls_encrypt(sm, &data->ssl, &msgbuf);
-       wpabuf_free(buf);
-
-       return encr_req;
-}
-#endif /* EAP_SERVER_TNC */
-
-
-static void eap_peap_get_isk(struct eap_peap_data *data,
-                            u8 *isk, size_t isk_len)
-{
-       size_t key_len;
-
-       os_memset(isk, 0, isk_len);
-       if (data->phase2_key == NULL)
-               return;
-
-       key_len = data->phase2_key_len;
-       if (key_len > isk_len)
-               key_len = isk_len;
-       os_memcpy(isk, data->phase2_key, key_len);
-}
-
-
-static int eap_peap_derive_cmk(struct eap_sm *sm, struct eap_peap_data *data)
-{
-       u8 *tk;
-       u8 isk[32], imck[60];
-
-       /*
-        * Tunnel key (TK) is the first 60 octets of the key generated by
-        * phase 1 of PEAP (based on TLS).
-        */
-       tk = eap_server_tls_derive_key(sm, &data->ssl, "client EAP encryption",
-                                      EAP_TLS_KEY_LEN);
-       if (tk == NULL)
-               return -1;
-       wpa_hexdump_key(MSG_DEBUG, "EAP-PEAP: TK", tk, 60);
-
-       eap_peap_get_isk(data, isk, sizeof(isk));
-       wpa_hexdump_key(MSG_DEBUG, "EAP-PEAP: ISK", isk, sizeof(isk));
-
-       /*
-        * IPMK Seed = "Inner Methods Compound Keys" | ISK
-        * TempKey = First 40 octets of TK
-        * IPMK|CMK = PRF+(TempKey, IPMK Seed, 60)
-        * (note: draft-josefsson-pppext-eap-tls-eap-10.txt includes a space
-        * in the end of the label just before ISK; is that just a typo?)
-        */
-       wpa_hexdump_key(MSG_DEBUG, "EAP-PEAP: TempKey", tk, 40);
-       peap_prfplus(data->peap_version, tk, 40, "Inner Methods Compound Keys",
-                    isk, sizeof(isk), imck, sizeof(imck));
-       wpa_hexdump_key(MSG_DEBUG, "EAP-PEAP: IMCK (IPMKj)",
-                       imck, sizeof(imck));
-
-       os_free(tk);
-
-       /* TODO: fast-connect: IPMK|CMK = TK */
-       os_memcpy(data->ipmk, imck, 40);
-       wpa_hexdump_key(MSG_DEBUG, "EAP-PEAP: IPMK (S-IPMKj)", data->ipmk, 40);
-       os_memcpy(data->cmk, imck + 40, 20);
-       wpa_hexdump_key(MSG_DEBUG, "EAP-PEAP: CMK (CMKj)", data->cmk, 20);
-
-       return 0;
-}
-
-
-static struct wpabuf * eap_peap_build_phase2_tlv(struct eap_sm *sm,
-                                                struct eap_peap_data *data,
-                                                u8 id)
-{
-       struct wpabuf *buf, *encr_req;
-       size_t mlen;
-
-       mlen = 6; /* Result TLV */
-       if (data->crypto_binding != NO_BINDING)
-               mlen += 60; /* Cryptobinding TLV */
-#ifdef EAP_SERVER_TNC
-       if (data->soh_response)
-               mlen += wpabuf_len(data->soh_response);
-#endif /* EAP_SERVER_TNC */
-
-       buf = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_TLV, mlen,
-                           EAP_CODE_REQUEST, id);
-       if (buf == NULL)
-               return NULL;
-
-       wpabuf_put_u8(buf, 0x80); /* Mandatory */
-       wpabuf_put_u8(buf, EAP_TLV_RESULT_TLV);
-       /* Length */
-       wpabuf_put_be16(buf, 2);
-       /* Status */
-       wpabuf_put_be16(buf, data->tlv_request == TLV_REQ_SUCCESS ?
-                       EAP_TLV_RESULT_SUCCESS : EAP_TLV_RESULT_FAILURE);
-
-       if (data->peap_version == 0 && data->tlv_request == TLV_REQ_SUCCESS &&
-           data->crypto_binding != NO_BINDING) {
-               u8 *mac;
-               u8 eap_type = EAP_TYPE_PEAP;
-               const u8 *addr[2];
-               size_t len[2];
-               u16 tlv_type;
-
-#ifdef EAP_SERVER_TNC
-               if (data->soh_response) {
-                       wpa_printf(MSG_DEBUG, "EAP-PEAP: Adding MS-SOH "
-                                  "Response TLV");
-                       wpabuf_put_buf(buf, data->soh_response);
-                       wpabuf_free(data->soh_response);
-                       data->soh_response = NULL;
-               }
-#endif /* EAP_SERVER_TNC */
-
-               if (eap_peap_derive_cmk(sm, data) < 0 ||
-                   os_get_random(data->binding_nonce, 32)) {
-                       wpabuf_free(buf);
-                       return NULL;
-               }
-
-               /* Compound_MAC: HMAC-SHA1-160(cryptobinding TLV | EAP type) */
-               addr[0] = wpabuf_put(buf, 0);
-               len[0] = 60;
-               addr[1] = &eap_type;
-               len[1] = 1;
-
-               tlv_type = EAP_TLV_CRYPTO_BINDING_TLV;
-               if (data->peap_version >= 2)
-                       tlv_type |= EAP_TLV_TYPE_MANDATORY;
-               wpabuf_put_be16(buf, tlv_type);
-               wpabuf_put_be16(buf, 56);
-
-               wpabuf_put_u8(buf, 0); /* Reserved */
-               wpabuf_put_u8(buf, data->peap_version); /* Version */
-               wpabuf_put_u8(buf, data->recv_version); /* RecvVersion */
-               wpabuf_put_u8(buf, 0); /* SubType: 0 = Request, 1 = Response */
-               wpabuf_put_data(buf, data->binding_nonce, 32); /* Nonce */
-               mac = wpabuf_put(buf, 20); /* Compound_MAC */
-               wpa_hexdump(MSG_MSGDUMP, "EAP-PEAP: Compound_MAC CMK",
-                           data->cmk, 20);
-               wpa_hexdump(MSG_MSGDUMP, "EAP-PEAP: Compound_MAC data 1",
-                           addr[0], len[0]);
-               wpa_hexdump(MSG_MSGDUMP, "EAP-PEAP: Compound_MAC data 2",
-                           addr[1], len[1]);
-               hmac_sha1_vector(data->cmk, 20, 2, addr, len, mac);
-               wpa_hexdump(MSG_MSGDUMP, "EAP-PEAP: Compound_MAC",
-                           mac, SHA1_MAC_LEN);
-               data->crypto_binding_sent = 1;
-       }
-
-       wpa_hexdump_buf_key(MSG_DEBUG, "EAP-PEAP: Encrypting Phase 2 TLV data",
-                           buf);
-
-       encr_req = eap_server_tls_encrypt(sm, &data->ssl, buf);
-       wpabuf_free(buf);
-
-       return encr_req;
-}
-
-
-static struct wpabuf * eap_peap_build_phase2_term(struct eap_sm *sm,
-                                                 struct eap_peap_data *data,
-                                                 u8 id, int success)
-{
-       struct wpabuf *encr_req, msgbuf;
-       size_t req_len;
-       struct eap_hdr *hdr;
-
-       req_len = sizeof(*hdr);
-       hdr = os_zalloc(req_len);
-       if (hdr == NULL)
-               return NULL;
-
-       hdr->code = success ? EAP_CODE_SUCCESS : EAP_CODE_FAILURE;
-       hdr->identifier = id;
-       hdr->length = host_to_be16(req_len);
-
-       wpa_hexdump_key(MSG_DEBUG, "EAP-PEAP: Encrypting Phase 2 data",
-                       (u8 *) hdr, req_len);
-
-       wpabuf_set(&msgbuf, hdr, req_len);
-       encr_req = eap_server_tls_encrypt(sm, &data->ssl, &msgbuf);
-       os_free(hdr);
-
-       return encr_req;
-}
-
-
-static struct wpabuf * eap_peap_buildReq(struct eap_sm *sm, void *priv, u8 id)
-{
-       struct eap_peap_data *data = priv;
-
-       if (data->ssl.state == FRAG_ACK) {
-               return eap_server_tls_build_ack(id, EAP_TYPE_PEAP,
-                                               data->peap_version);
-       }
-
-       if (data->ssl.state == WAIT_FRAG_ACK) {
-               return eap_server_tls_build_msg(&data->ssl, EAP_TYPE_PEAP,
-                                               data->peap_version, id);
-       }
-
-       switch (data->state) {
-       case START:
-               return eap_peap_build_start(sm, data, id);
-       case PHASE1:
-       case PHASE1_ID2:
-               if (data->peap_version < 2 &&
-                   tls_connection_established(sm->ssl_ctx, data->ssl.conn)) {
-                       wpa_printf(MSG_DEBUG, "EAP-PEAP: Phase1 done, "
-                                  "starting Phase2");
-                       eap_peap_state(data, PHASE2_START);
-               }
-               break;
-       case PHASE2_ID:
-       case PHASE2_METHOD:
-               wpabuf_free(data->ssl.tls_out);
-               data->ssl.tls_out_pos = 0;
-               data->ssl.tls_out = eap_peap_build_phase2_req(sm, data, id);
-               break;
-#ifdef EAP_SERVER_TNC
-       case PHASE2_SOH:
-               wpabuf_free(data->ssl.tls_out);
-               data->ssl.tls_out_pos = 0;
-               data->ssl.tls_out = eap_peap_build_phase2_soh(sm, data, id);
-               break;
-#endif /* EAP_SERVER_TNC */
-       case PHASE2_TLV:
-               wpabuf_free(data->ssl.tls_out);
-               data->ssl.tls_out_pos = 0;
-               data->ssl.tls_out = eap_peap_build_phase2_tlv(sm, data, id);
-               break;
-       case SUCCESS_REQ:
-               wpabuf_free(data->ssl.tls_out);
-               data->ssl.tls_out_pos = 0;
-               data->ssl.tls_out = eap_peap_build_phase2_term(sm, data, id,
-                                                              1);
-               break;
-       case FAILURE_REQ:
-               wpabuf_free(data->ssl.tls_out);
-               data->ssl.tls_out_pos = 0;
-               data->ssl.tls_out = eap_peap_build_phase2_term(sm, data, id,
-                                                              0);
-               break;
-       default:
-               wpa_printf(MSG_DEBUG, "EAP-PEAP: %s - unexpected state %d",
-                          __func__, data->state);
-               return NULL;
-       }
-
-       return eap_server_tls_build_msg(&data->ssl, EAP_TYPE_PEAP,
-                                       data->peap_version, id);
-}
-
-
-static Boolean eap_peap_check(struct eap_sm *sm, void *priv,
-                             struct wpabuf *respData)
-{
-       const u8 *pos;
-       size_t len;
-
-       pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_PEAP, respData, &len);
-       if (pos == NULL || len < 1) {
-               wpa_printf(MSG_INFO, "EAP-PEAP: Invalid frame");
-               return TRUE;
-       }
-
-       return FALSE;
-}
-
-
-static int eap_peap_phase2_init(struct eap_sm *sm, struct eap_peap_data *data,
-                               EapType eap_type)
-{
-       if (data->phase2_priv && data->phase2_method) {
-               data->phase2_method->reset(sm, data->phase2_priv);
-               data->phase2_method = NULL;
-               data->phase2_priv = NULL;
-       }
-       data->phase2_method = eap_server_get_eap_method(EAP_VENDOR_IETF,
-                                                       eap_type);
-       if (!data->phase2_method)
-               return -1;
-
-       sm->init_phase2 = 1;
-       data->phase2_priv = data->phase2_method->init(sm);
-       sm->init_phase2 = 0;
-       return 0;
-}
-
-
-static int eap_tlv_validate_cryptobinding(struct eap_sm *sm,
-                                         struct eap_peap_data *data,
-                                         const u8 *crypto_tlv,
-                                         size_t crypto_tlv_len)
-{
-       u8 buf[61], mac[SHA1_MAC_LEN];
-       const u8 *pos;
-
-       if (crypto_tlv_len != 4 + 56) {
-               wpa_printf(MSG_DEBUG, "EAP-PEAP: Invalid cryptobinding TLV "
-                          "length %d", (int) crypto_tlv_len);
-               return -1;
-       }
-
-       pos = crypto_tlv;
-       pos += 4; /* TLV header */
-       if (pos[1] != data->peap_version) {
-               wpa_printf(MSG_DEBUG, "EAP-PEAP: Cryptobinding TLV Version "
-                          "mismatch (was %d; expected %d)",
-                          pos[1], data->peap_version);
-               return -1;
-       }
-
-       if (pos[3] != 1) {
-               wpa_printf(MSG_DEBUG, "EAP-PEAP: Unexpected Cryptobinding TLV "
-                          "SubType %d", pos[3]);
-               return -1;
-       }
-       pos += 4;
-       pos += 32; /* Nonce */
-
-       /* Compound_MAC: HMAC-SHA1-160(cryptobinding TLV | EAP type) */
-       os_memcpy(buf, crypto_tlv, 60);
-       os_memset(buf + 4 + 4 + 32, 0, 20); /* Compound_MAC */
-       buf[60] = EAP_TYPE_PEAP;
-       hmac_sha1(data->cmk, 20, buf, sizeof(buf), mac);
-
-       if (os_memcmp(mac, pos, SHA1_MAC_LEN) != 0) {
-               wpa_printf(MSG_DEBUG, "EAP-PEAP: Invalid Compound_MAC in "
-                          "cryptobinding TLV");
-               wpa_hexdump_key(MSG_DEBUG, "EAP-PEAP: CMK", data->cmk, 20);
-               wpa_hexdump(MSG_DEBUG, "EAP-PEAP: Cryptobinding seed data",
-                           buf, 61);
-               return -1;
-       }
-
-       wpa_printf(MSG_DEBUG, "EAP-PEAP: Valid cryptobinding TLV received");
-
-       return 0;
-}
-
-
-static void eap_peap_process_phase2_tlv(struct eap_sm *sm,
-                                       struct eap_peap_data *data,
-                                       struct wpabuf *in_data)
-{
-       const u8 *pos;
-       size_t left;
-       const u8 *result_tlv = NULL, *crypto_tlv = NULL;
-       size_t result_tlv_len = 0, crypto_tlv_len = 0;
-       int tlv_type, mandatory, tlv_len;
-
-       pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_TLV, in_data, &left);
-       if (pos == NULL) {
-               wpa_printf(MSG_DEBUG, "EAP-PEAP: Invalid EAP-TLV header");
-               return;
-       }
-
-       /* Parse TLVs */
-       wpa_hexdump(MSG_DEBUG, "EAP-PEAP: Received TLVs", pos, left);
-       while (left >= 4) {
-               mandatory = !!(pos[0] & 0x80);
-               tlv_type = pos[0] & 0x3f;
-               tlv_type = (tlv_type << 8) | pos[1];
-               tlv_len = ((int) pos[2] << 8) | pos[3];
-               pos += 4;
-               left -= 4;
-               if ((size_t) tlv_len > left) {
-                       wpa_printf(MSG_DEBUG, "EAP-PEAP: TLV underrun "
-                                  "(tlv_len=%d left=%lu)", tlv_len,
-                                  (unsigned long) left);
-                       eap_peap_state(data, FAILURE);
-                       return;
-               }
-               switch (tlv_type) {
-               case EAP_TLV_RESULT_TLV:
-                       result_tlv = pos;
-                       result_tlv_len = tlv_len;
-                       break;
-               case EAP_TLV_CRYPTO_BINDING_TLV:
-                       crypto_tlv = pos;
-                       crypto_tlv_len = tlv_len;
-                       break;
-               default:
-                       wpa_printf(MSG_DEBUG, "EAP-PEAP: Unsupported TLV Type "
-                                  "%d%s", tlv_type,
-                                  mandatory ? " (mandatory)" : "");
-                       if (mandatory) {
-                               eap_peap_state(data, FAILURE);
-                               return;
-                       }
-                       /* Ignore this TLV, but process other TLVs */
-                       break;
-               }
-
-               pos += tlv_len;
-               left -= tlv_len;
-       }
-       if (left) {
-               wpa_printf(MSG_DEBUG, "EAP-PEAP: Last TLV too short in "
-                          "Request (left=%lu)", (unsigned long) left);
-               eap_peap_state(data, FAILURE);
-               return;
-       }
-
-       /* Process supported TLVs */
-       if (crypto_tlv && data->crypto_binding_sent) {
-               wpa_hexdump(MSG_DEBUG, "EAP-PEAP: Cryptobinding TLV",
-                           crypto_tlv, crypto_tlv_len);
-               if (eap_tlv_validate_cryptobinding(sm, data, crypto_tlv - 4,
-                                                  crypto_tlv_len + 4) < 0) {
-                       eap_peap_state(data, FAILURE);
-                       return;
-               }
-               data->crypto_binding_used = 1;
-       } else if (!crypto_tlv && data->crypto_binding_sent &&
-                  data->crypto_binding == REQUIRE_BINDING) {
-               wpa_printf(MSG_DEBUG, "EAP-PEAP: No cryptobinding TLV");
-               eap_peap_state(data, FAILURE);
-               return;
-       }
-
-       if (result_tlv) {
-               int status;
-               const char *requested;
-
-               wpa_hexdump(MSG_DEBUG, "EAP-PEAP: Result TLV",
-                           result_tlv, result_tlv_len);
-               if (result_tlv_len < 2) {
-                       wpa_printf(MSG_INFO, "EAP-PEAP: Too short Result TLV "
-                                  "(len=%lu)",
-                                  (unsigned long) result_tlv_len);
-                       eap_peap_state(data, FAILURE);
-                       return;
-               }
-               requested = data->tlv_request == TLV_REQ_SUCCESS ? "Success" :
-                       "Failure";
-               status = WPA_GET_BE16(result_tlv);
-               if (status == EAP_TLV_RESULT_SUCCESS) {
-                       wpa_printf(MSG_INFO, "EAP-PEAP: TLV Result - Success "
-                                  "- requested %s", requested);
-                       if (data->tlv_request == TLV_REQ_SUCCESS)
-                               eap_peap_state(data, SUCCESS);
-                       else
-                               eap_peap_state(data, FAILURE);
-                       
-               } else if (status == EAP_TLV_RESULT_FAILURE) {
-                       wpa_printf(MSG_INFO, "EAP-PEAP: TLV Result - Failure "
-                                  "- requested %s", requested);
-                       eap_peap_state(data, FAILURE);
-               } else {
-                       wpa_printf(MSG_INFO, "EAP-PEAP: Unknown TLV Result "
-                                  "Status %d", status);
-                       eap_peap_state(data, FAILURE);
-               }
-       }
-}
-
-
-#ifdef EAP_SERVER_TNC
-static void eap_peap_process_phase2_soh(struct eap_sm *sm,
-                                       struct eap_peap_data *data,
-                                       struct wpabuf *in_data)
-{
-       const u8 *pos, *vpos;
-       size_t left;
-       const u8 *soh_tlv = NULL;
-       size_t soh_tlv_len = 0;
-       int tlv_type, mandatory, tlv_len, vtlv_len;
-       u8 next_type;
-       u32 vendor_id;
-
-       pos = eap_hdr_validate(EAP_VENDOR_MICROSOFT, 0x21, in_data, &left);
-       if (pos == NULL) {
-               wpa_printf(MSG_DEBUG, "EAP-PEAP: Not a valid SoH EAP "
-                          "Extensions Method header - skip TNC");
-               goto auth_method;
-       }
-
-       /* Parse TLVs */
-       wpa_hexdump(MSG_DEBUG, "EAP-PEAP: Received TLVs (SoH)", pos, left);
-       while (left >= 4) {
-               mandatory = !!(pos[0] & 0x80);
-               tlv_type = pos[0] & 0x3f;
-               tlv_type = (tlv_type << 8) | pos[1];
-               tlv_len = ((int) pos[2] << 8) | pos[3];
-               pos += 4;
-               left -= 4;
-               if ((size_t) tlv_len > left) {
-                       wpa_printf(MSG_DEBUG, "EAP-PEAP: TLV underrun "
-                                  "(tlv_len=%d left=%lu)", tlv_len,
-                                  (unsigned long) left);
-                       eap_peap_state(data, FAILURE);
-                       return;
-               }
-               switch (tlv_type) {
-               case EAP_TLV_VENDOR_SPECIFIC_TLV:
-                       if (tlv_len < 4) {
-                               wpa_printf(MSG_DEBUG, "EAP-PEAP: Too short "
-                                          "vendor specific TLV (len=%d)",
-                                          (int) tlv_len);
-                               eap_peap_state(data, FAILURE);
-                               return;
-                       }
-
-                       vendor_id = WPA_GET_BE32(pos);
-                       if (vendor_id != EAP_VENDOR_MICROSOFT) {
-                               if (mandatory) {
-                                       eap_peap_state(data, FAILURE);
-                                       return;
-                               }
-                               break;
-                       }
-
-                       vpos = pos + 4;
-                       mandatory = !!(vpos[0] & 0x80);
-                       tlv_type = vpos[0] & 0x3f;
-                       tlv_type = (tlv_type << 8) | vpos[1];
-                       vtlv_len = ((int) vpos[2] << 8) | vpos[3];
-                       vpos += 4;
-                       if (vpos + vtlv_len > pos + left) {
-                               wpa_printf(MSG_DEBUG, "EAP-PEAP: Vendor TLV "
-                                          "underrun");
-                               eap_peap_state(data, FAILURE);
-                               return;
-                       }
-
-                       if (tlv_type == 1) {
-                               soh_tlv = vpos;
-                               soh_tlv_len = vtlv_len;
-                               break;
-                       }
-
-                       wpa_printf(MSG_DEBUG, "EAP-PEAP: Unsupported MS-TLV "
-                                  "Type %d%s", tlv_type,
-                                  mandatory ? " (mandatory)" : "");
-                       if (mandatory) {
-                               eap_peap_state(data, FAILURE);
-                               return;
-                       }
-                       /* Ignore this TLV, but process other TLVs */
-                       break;
-               default:
-                       wpa_printf(MSG_DEBUG, "EAP-PEAP: Unsupported TLV Type "
-                                  "%d%s", tlv_type,
-                                  mandatory ? " (mandatory)" : "");
-                       if (mandatory) {
-                               eap_peap_state(data, FAILURE);
-                               return;
-                       }
-                       /* Ignore this TLV, but process other TLVs */
-                       break;
-               }
-
-               pos += tlv_len;
-               left -= tlv_len;
-       }
-       if (left) {
-               wpa_printf(MSG_DEBUG, "EAP-PEAP: Last TLV too short in "
-                          "Request (left=%lu)", (unsigned long) left);
-               eap_peap_state(data, FAILURE);
-               return;
-       }
-
-       /* Process supported TLVs */
-       if (soh_tlv) {
-               int failure = 0;
-               wpabuf_free(data->soh_response);
-               data->soh_response = tncs_process_soh(soh_tlv, soh_tlv_len,
-                                                     &failure);
-               if (failure) {
-                       eap_peap_state(data, FAILURE);
-                       return;
-               }
-       } else {
-               wpa_printf(MSG_DEBUG, "EAP-PEAP: No SoH TLV received");
-               eap_peap_state(data, FAILURE);
-               return;
-       }
-
-auth_method:
-       eap_peap_state(data, PHASE2_METHOD);
-       next_type = sm->user->methods[0].method;
-       sm->user_eap_method_index = 1;
-       wpa_printf(MSG_DEBUG, "EAP-PEAP: try EAP type %d", next_type);
-       eap_peap_phase2_init(sm, data, next_type);
-}
-#endif /* EAP_SERVER_TNC */
-
-
-static void eap_peap_process_phase2_response(struct eap_sm *sm,
-                                            struct eap_peap_data *data,
-                                            struct wpabuf *in_data)
-{
-       u8 next_type = EAP_TYPE_NONE;
-       const struct eap_hdr *hdr;
-       const u8 *pos;
-       size_t left;
-
-       if (data->state == PHASE2_TLV) {
-               eap_peap_process_phase2_tlv(sm, data, in_data);
-               return;
-       }
-
-#ifdef EAP_SERVER_TNC
-       if (data->state == PHASE2_SOH) {
-               eap_peap_process_phase2_soh(sm, data, in_data);
-               return;
-       }
-#endif /* EAP_SERVER_TNC */
-
-       if (data->phase2_priv == NULL) {
-               wpa_printf(MSG_DEBUG, "EAP-PEAP: %s - Phase2 not "
-                          "initialized?!", __func__);
-               return;
-       }
-
-       hdr = wpabuf_head(in_data);
-       pos = (const u8 *) (hdr + 1);
-
-       if (wpabuf_len(in_data) > sizeof(*hdr) && *pos == EAP_TYPE_NAK) {
-               left = wpabuf_len(in_data) - sizeof(*hdr);
-               wpa_hexdump(MSG_DEBUG, "EAP-PEAP: Phase2 type Nak'ed; "
-                           "allowed types", pos + 1, left - 1);
-               eap_sm_process_nak(sm, pos + 1, left - 1);
-               if (sm->user && sm->user_eap_method_index < EAP_MAX_METHODS &&
-                   sm->user->methods[sm->user_eap_method_index].method !=
-                   EAP_TYPE_NONE) {
-                       next_type = sm->user->methods[
-                               sm->user_eap_method_index++].method;
-                       wpa_printf(MSG_DEBUG, "EAP-PEAP: try EAP type %d",
-                                  next_type);
-               } else {
-                       eap_peap_req_failure(sm, data);
-                       next_type = EAP_TYPE_NONE;
-               }
-               eap_peap_phase2_init(sm, data, next_type);
-               return;
-       }
-
-       if (data->phase2_method->check(sm, data->phase2_priv, in_data)) {
-               wpa_printf(MSG_DEBUG, "EAP-PEAP: Phase2 check() asked to "
-                          "ignore the packet");
-               return;
-       }
-
-       data->phase2_method->process(sm, data->phase2_priv, in_data);
-
-       if (sm->method_pending == METHOD_PENDING_WAIT) {
-               wpa_printf(MSG_DEBUG, "EAP-PEAP: Phase2 method is in "
-                          "pending wait state - save decrypted response");
-               wpabuf_free(data->pending_phase2_resp);
-               data->pending_phase2_resp = wpabuf_dup(in_data);
-       }
-
-       if (!data->phase2_method->isDone(sm, data->phase2_priv))
-               return;
-
-       if (!data->phase2_method->isSuccess(sm, data->phase2_priv)) {
-               wpa_printf(MSG_DEBUG, "EAP-PEAP: Phase2 method failed");
-               eap_peap_req_failure(sm, data);
-               next_type = EAP_TYPE_NONE;
-               eap_peap_phase2_init(sm, data, next_type);
-               return;
-       }
-
-       os_free(data->phase2_key);
-       if (data->phase2_method->getKey) {
-               data->phase2_key = data->phase2_method->getKey(
-                       sm, data->phase2_priv, &data->phase2_key_len);
-               if (data->phase2_key == NULL) {
-                       wpa_printf(MSG_DEBUG, "EAP-PEAP: Phase2 getKey "
-                                  "failed");
-                       eap_peap_req_failure(sm, data);
-                       eap_peap_phase2_init(sm, data, EAP_TYPE_NONE);
-                       return;
-               }
-       }
-
-       switch (data->state) {
-       case PHASE1_ID2:
-       case PHASE2_ID:
-       case PHASE2_SOH:
-               if (eap_user_get(sm, sm->identity, sm->identity_len, 1) != 0) {
-                       wpa_hexdump_ascii(MSG_DEBUG, "EAP_PEAP: Phase2 "
-                                         "Identity not found in the user "
-                                         "database",
-                                         sm->identity, sm->identity_len);
-                       eap_peap_req_failure(sm, data);
-                       next_type = EAP_TYPE_NONE;
-                       break;
-               }
-
-#ifdef EAP_SERVER_TNC
-               if (data->state != PHASE2_SOH && sm->tnc &&
-                   data->peap_version == 0) {
-                       eap_peap_state(data, PHASE2_SOH);
-                       wpa_printf(MSG_DEBUG, "EAP-PEAP: Try to initialize "
-                                  "TNC (NAP SOH)");
-                       next_type = EAP_TYPE_NONE;
-                       break;
-               }
-#endif /* EAP_SERVER_TNC */
-
-               eap_peap_state(data, PHASE2_METHOD);
-               next_type = sm->user->methods[0].method;
-               sm->user_eap_method_index = 1;
-               wpa_printf(MSG_DEBUG, "EAP-PEAP: try EAP type %d", next_type);
-               break;
-       case PHASE2_METHOD:
-               eap_peap_req_success(sm, data);
-               next_type = EAP_TYPE_NONE;
-               break;
-       case FAILURE:
-               break;
-       default:
-               wpa_printf(MSG_DEBUG, "EAP-PEAP: %s - unexpected state %d",
-                          __func__, data->state);
-               break;
-       }
-
-       eap_peap_phase2_init(sm, data, next_type);
-}
-
-
-static void eap_peap_process_phase2(struct eap_sm *sm,
-                                   struct eap_peap_data *data,
-                                   const struct wpabuf *respData,
-                                   struct wpabuf *in_buf)
-{
-       struct wpabuf *in_decrypted;
-       const struct eap_hdr *hdr;
-       size_t len;
-
-       wpa_printf(MSG_DEBUG, "EAP-PEAP: received %lu bytes encrypted data for"
-                  " Phase 2", (unsigned long) wpabuf_len(in_buf));
-
-       if (data->pending_phase2_resp) {
-               wpa_printf(MSG_DEBUG, "EAP-PEAP: Pending Phase 2 response - "
-                          "skip decryption and use old data");
-               eap_peap_process_phase2_response(sm, data,
-                                                data->pending_phase2_resp);
-               wpabuf_free(data->pending_phase2_resp);
-               data->pending_phase2_resp = NULL;
-               return;
-       }
-
-       in_decrypted = tls_connection_decrypt(sm->ssl_ctx, data->ssl.conn,
-                                             in_buf);
-       if (in_decrypted == NULL) {
-               wpa_printf(MSG_INFO, "EAP-PEAP: Failed to decrypt Phase 2 "
-                          "data");
-               eap_peap_state(data, FAILURE);
-               return;
-       }
-
-       wpa_hexdump_buf_key(MSG_DEBUG, "EAP-PEAP: Decrypted Phase 2 EAP",
-                           in_decrypted);
-
-       hdr = wpabuf_head(in_decrypted);
-
-       if (data->peap_version == 0 && data->state != PHASE2_TLV) {
-               const struct eap_hdr *resp;
-               struct eap_hdr *nhdr;
-               struct wpabuf *nbuf =
-                       wpabuf_alloc(sizeof(struct eap_hdr) +
-                                    wpabuf_len(in_decrypted));
-               if (nbuf == NULL) {
-                       wpabuf_free(in_decrypted);
-                       return;
-               }
-
-               resp = wpabuf_head(respData);
-               nhdr = wpabuf_put(nbuf, sizeof(*nhdr));
-               nhdr->code = resp->code;
-               nhdr->identifier = resp->identifier;
-               nhdr->length = host_to_be16(sizeof(struct eap_hdr) +
-                                           wpabuf_len(in_decrypted));
-               wpabuf_put_buf(nbuf, in_decrypted);
-               wpabuf_free(in_decrypted);
-
-               in_decrypted = nbuf;
-       } else if (data->peap_version >= 2) {
-               struct eap_tlv_hdr *tlv;
-               struct wpabuf *nmsg;
-
-               if (wpabuf_len(in_decrypted) < sizeof(*tlv) + sizeof(*hdr)) {
-                       wpa_printf(MSG_INFO, "EAP-PEAPv2: Too short Phase 2 "
-                                  "EAP TLV");
-                       wpabuf_free(in_decrypted);
-                       return;
-               }
-               tlv = wpabuf_mhead(in_decrypted);
-               if ((be_to_host16(tlv->tlv_type) & EAP_TLV_TYPE_MASK) !=
-                   EAP_TLV_EAP_PAYLOAD_TLV) {
-                       wpa_printf(MSG_INFO, "EAP-PEAPv2: Not an EAP TLV");
-                       wpabuf_free(in_decrypted);
-                       return;
-               }
-               if (sizeof(*tlv) + be_to_host16(tlv->length) >
-                   wpabuf_len(in_decrypted)) {
-                       wpa_printf(MSG_INFO, "EAP-PEAPv2: Invalid EAP TLV "
-                                  "length");
-                       wpabuf_free(in_decrypted);
-                       return;
-               }
-               hdr = (struct eap_hdr *) (tlv + 1);
-               if (be_to_host16(hdr->length) > be_to_host16(tlv->length)) {
-                       wpa_printf(MSG_INFO, "EAP-PEAPv2: No room for full "
-                                  "EAP packet in EAP TLV");
-                       wpabuf_free(in_decrypted);
-                       return;
-               }
-
-               nmsg = wpabuf_alloc(be_to_host16(hdr->length));
-               if (nmsg == NULL) {
-                       wpabuf_free(in_decrypted);
-                       return;
-               }
-
-               wpabuf_put_data(nmsg, hdr, be_to_host16(hdr->length));
-               wpabuf_free(in_decrypted);
-               in_decrypted = nmsg;
-       }
-
-       hdr = wpabuf_head(in_decrypted);
-       if (wpabuf_len(in_decrypted) < (int) sizeof(*hdr)) {
-               wpa_printf(MSG_INFO, "EAP-PEAP: Too short Phase 2 "
-                          "EAP frame (len=%lu)",
-                          (unsigned long) wpabuf_len(in_decrypted));
-               wpabuf_free(in_decrypted);
-               eap_peap_req_failure(sm, data);
-               return;
-       }
-       len = be_to_host16(hdr->length);
-       if (len > wpabuf_len(in_decrypted)) {
-               wpa_printf(MSG_INFO, "EAP-PEAP: Length mismatch in "
-                          "Phase 2 EAP frame (len=%lu hdr->length=%lu)",
-                          (unsigned long) wpabuf_len(in_decrypted),
-                          (unsigned long) len);
-               wpabuf_free(in_decrypted);
-               eap_peap_req_failure(sm, data);
-               return;
-       }
-       wpa_printf(MSG_DEBUG, "EAP-PEAP: received Phase 2: code=%d "
-                  "identifier=%d length=%lu", hdr->code, hdr->identifier,
-                  (unsigned long) len);
-       switch (hdr->code) {
-       case EAP_CODE_RESPONSE:
-               eap_peap_process_phase2_response(sm, data, in_decrypted);
-               break;
-       case EAP_CODE_SUCCESS:
-               wpa_printf(MSG_DEBUG, "EAP-PEAP: Phase 2 Success");
-               if (data->state == SUCCESS_REQ) {
-                       eap_peap_state(data, SUCCESS);
-               }
-               break;
-       case EAP_CODE_FAILURE:
-               wpa_printf(MSG_DEBUG, "EAP-PEAP: Phase 2 Failure");
-               eap_peap_state(data, FAILURE);
-               break;
-       default:
-               wpa_printf(MSG_INFO, "EAP-PEAP: Unexpected code=%d in "
-                          "Phase 2 EAP header", hdr->code);
-               break;
-       }
-
-       wpabuf_free(in_decrypted);
-}
-
-
-static int eap_peapv2_start_phase2(struct eap_sm *sm,
-                                  struct eap_peap_data *data)
-{
-       struct wpabuf *buf, *buf2;
-
-       wpa_printf(MSG_DEBUG, "EAP-PEAPv2: Phase1 done, include first Phase2 "
-                  "payload in the same message");
-       eap_peap_state(data, PHASE1_ID2);
-       if (eap_peap_phase2_init(sm, data, EAP_TYPE_IDENTITY))
-               return -1;
-
-       /* TODO: which Id to use here? */
-       buf = data->phase2_method->buildReq(sm, data->phase2_priv, 6);
-       if (buf == NULL)
-               return -1;
-
-       buf2 = eap_peapv2_tlv_eap_payload(buf);
-       if (buf2 == NULL)
-               return -1;
-
-       wpa_hexdump_buf(MSG_DEBUG, "EAP-PEAPv2: Identity Request", buf2);
-
-       buf = tls_connection_encrypt(sm->ssl_ctx, data->ssl.conn,
-                                    buf2);
-       wpabuf_free(buf2);
-
-       if (buf == NULL) {
-               wpa_printf(MSG_INFO, "EAP-PEAPv2: Failed to encrypt Phase 2 "
-                          "data");
-               return -1;
-       }
-
-       wpa_hexdump_buf(MSG_DEBUG, "EAP-PEAPv2: Encrypted Identity Request",
-                       buf);
-
-       /* Append TLS data into the pending buffer after the Server Finished */
-       if (wpabuf_resize(&data->ssl.tls_out, wpabuf_len(buf)) < 0) {
-               wpabuf_free(buf);
-               return -1;
-       }
-       wpabuf_put_buf(data->ssl.tls_out, buf);
-       wpabuf_free(buf);
-
-       return 0;
-}
-
-
-static int eap_peap_process_version(struct eap_sm *sm, void *priv,
-                                   int peer_version)
-{
-       struct eap_peap_data *data = priv;
-
-       data->recv_version = peer_version;
-       if (data->force_version >= 0 && peer_version != data->force_version) {
-               wpa_printf(MSG_INFO, "EAP-PEAP: peer did not select the forced"
-                          " version (forced=%d peer=%d) - reject",
-                          data->force_version, peer_version);
-               return -1;
-       }
-       if (peer_version < data->peap_version) {
-               wpa_printf(MSG_DEBUG, "EAP-PEAP: peer ver=%d, own ver=%d; "
-                          "use version %d",
-                          peer_version, data->peap_version, peer_version);
-               data->peap_version = peer_version;
-       }
-
-       return 0;
-}
-
-
-static void eap_peap_process_msg(struct eap_sm *sm, void *priv,
-                                const struct wpabuf *respData)
-{
-       struct eap_peap_data *data = priv;
-
-       switch (data->state) {
-       case PHASE1:
-               if (eap_server_tls_phase1(sm, &data->ssl) < 0) {
-                       eap_peap_state(data, FAILURE);
-                       break;
-               }
-
-               if (data->peap_version >= 2 &&
-                   tls_connection_established(sm->ssl_ctx, data->ssl.conn)) {
-                       if (eap_peapv2_start_phase2(sm, data)) {
-                               eap_peap_state(data, FAILURE);
-                               break;
-                       }
-               }
-               break;
-       case PHASE2_START:
-               eap_peap_state(data, PHASE2_ID);
-               eap_peap_phase2_init(sm, data, EAP_TYPE_IDENTITY);
-               break;
-       case PHASE1_ID2:
-       case PHASE2_ID:
-       case PHASE2_METHOD:
-       case PHASE2_SOH:
-       case PHASE2_TLV:
-               eap_peap_process_phase2(sm, data, respData, data->ssl.tls_in);
-               break;
-       case SUCCESS_REQ:
-               eap_peap_state(data, SUCCESS);
-               break;
-       case FAILURE_REQ:
-               eap_peap_state(data, FAILURE);
-               break;
-       default:
-               wpa_printf(MSG_DEBUG, "EAP-PEAP: Unexpected state %d in %s",
-                          data->state, __func__);
-               break;
-       }
-}
-
-
-static void eap_peap_process(struct eap_sm *sm, void *priv,
-                            struct wpabuf *respData)
-{
-       struct eap_peap_data *data = priv;
-       if (eap_server_tls_process(sm, &data->ssl, respData, data,
-                                  EAP_TYPE_PEAP, eap_peap_process_version,
-                                  eap_peap_process_msg) < 0)
-               eap_peap_state(data, FAILURE);
-}
-
-
-static Boolean eap_peap_isDone(struct eap_sm *sm, void *priv)
-{
-       struct eap_peap_data *data = priv;
-       return data->state == SUCCESS || data->state == FAILURE;
-}
-
-
-static u8 * eap_peap_getKey(struct eap_sm *sm, void *priv, size_t *len)
-{
-       struct eap_peap_data *data = priv;
-       u8 *eapKeyData;
-
-       if (data->state != SUCCESS)
-               return NULL;
-
-       if (data->crypto_binding_used) {
-               u8 csk[128];
-               /*
-                * Note: It looks like Microsoft implementation requires null
-                * termination for this label while the one used for deriving
-                * IPMK|CMK did not use null termination.
-                */
-               peap_prfplus(data->peap_version, data->ipmk, 40,
-                            "Session Key Generating Function",
-                            (u8 *) "\00", 1, csk, sizeof(csk));
-               wpa_hexdump_key(MSG_DEBUG, "EAP-PEAP: CSK", csk, sizeof(csk));
-               eapKeyData = os_malloc(EAP_TLS_KEY_LEN);
-               if (eapKeyData) {
-                       os_memcpy(eapKeyData, csk, EAP_TLS_KEY_LEN);
-                       *len = EAP_TLS_KEY_LEN;
-                       wpa_hexdump(MSG_DEBUG, "EAP-PEAP: Derived key",
-                                   eapKeyData, EAP_TLS_KEY_LEN);
-               } else {
-                       wpa_printf(MSG_DEBUG, "EAP-PEAP: Failed to derive "
-                                  "key");
-               }
-
-               return eapKeyData;
-       }
-
-       /* TODO: PEAPv1 - different label in some cases */
-       eapKeyData = eap_server_tls_derive_key(sm, &data->ssl,
-                                              "client EAP encryption",
-                                              EAP_TLS_KEY_LEN);
-       if (eapKeyData) {
-               *len = EAP_TLS_KEY_LEN;
-               wpa_hexdump(MSG_DEBUG, "EAP-PEAP: Derived key",
-                           eapKeyData, EAP_TLS_KEY_LEN);
-       } else {
-               wpa_printf(MSG_DEBUG, "EAP-PEAP: Failed to derive key");
-       }
-
-       return eapKeyData;
-}
-
-
-static Boolean eap_peap_isSuccess(struct eap_sm *sm, void *priv)
-{
-       struct eap_peap_data *data = priv;
-       return data->state == SUCCESS;
-}
-
-
-int eap_server_peap_register(void)
-{
-       struct eap_method *eap;
-       int ret;
-
-       eap = eap_server_method_alloc(EAP_SERVER_METHOD_INTERFACE_VERSION,
-                                     EAP_VENDOR_IETF, EAP_TYPE_PEAP, "PEAP");
-       if (eap == NULL)
-               return -1;
-
-       eap->init = eap_peap_init;
-       eap->reset = eap_peap_reset;
-       eap->buildReq = eap_peap_buildReq;
-       eap->check = eap_peap_check;
-       eap->process = eap_peap_process;
-       eap->isDone = eap_peap_isDone;
-       eap->getKey = eap_peap_getKey;
-       eap->isSuccess = eap_peap_isSuccess;
-
-       ret = eap_server_method_register(eap);
-       if (ret)
-               eap_server_method_free(eap);
-       return ret;
-}