Stripped down import of hostapd v0.3.7

1 files changed, 720 insertions, 0 deletions

diff --git a/contrib/hostapd/eap_peap.c b/contrib/hostapd/eap_peap.c
new file mode 100644
index 0000000..aa91976
--- /dev/null
+++ b/contrib/hostapd/eap_peap.c
@@ -0,0 +1,720 @@
+/*
+ * hostapd / EAP-PEAP (draft-josefsson-pppext-eap-tls-eap-07.txt)
+ * Copyright (c) 2004-2005, Jouni Malinen <jkmaline@cc.hut.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 <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <netinet/in.h>
+
+#include "hostapd.h"
+#include "common.h"
+#include "eap_i.h"
+#include "eap_tls_common.h"
+#include "tls.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-07.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, PHASE2_START, PHASE2_ID, PHASE2_METHOD,
+		PHASE2_TLV, SUCCESS_REQ, FAILURE_REQ, SUCCESS, FAILURE
+	} state;
+
+	int peap_version;
+	const struct eap_method *phase2_method;
+	void *phase2_priv;
+	int force_version;
+};
+
+
+static const char * eap_peap_state_txt(int state)
+{
+	switch (state) {
+	case START:
+		return "START";
+	case PHASE1:
+		return "PHASE1";
+	case PHASE2_START:
+		return "PHASE2_START";
+	case PHASE2_ID:
+		return "PHASE2_ID";
+	case PHASE2_METHOD:
+		return "PHASE2_METHOD";
+	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 EapType 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 EAP_TYPE_NONE;
+	}
+
+	if (data->peap_version == 0) {
+		sm->tlv_request = TLV_REQ_SUCCESS;
+		eap_peap_state(data, PHASE2_TLV);
+		return EAP_TYPE_TLV;
+	} else {
+		eap_peap_state(data, SUCCESS_REQ);
+		return EAP_TYPE_NONE;
+	}
+}
+
+
+static EapType 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->phase2_method &&
+	     data->phase2_method->method == EAP_TYPE_TLV)) {
+		eap_peap_state(data, FAILURE);
+		return EAP_TYPE_NONE;
+	}
+
+	if (data->peap_version == 0) {
+		sm->tlv_request = TLV_REQ_FAILURE;
+		eap_peap_state(data, PHASE2_TLV);
+		return EAP_TYPE_TLV;
+	} else {
+		eap_peap_state(data, FAILURE_REQ);
+		return EAP_TYPE_NONE;
+	}
+}
+
+
+static void * eap_peap_init(struct eap_sm *sm)
+{
+	struct eap_peap_data *data;
+
+	data = malloc(sizeof(*data));
+	if (data == NULL)
+		return data;
+	memset(data, 0, sizeof(*data));
+	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;
+
+	if (eap_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_tls_ssl_deinit(sm, &data->ssl);
+	free(data);
+}
+
+
+static u8 * eap_peap_build_start(struct eap_sm *sm, struct eap_peap_data *data,
+				 int id, size_t *reqDataLen)
+{
+	struct eap_hdr *req;
+	u8 *pos;
+
+	*reqDataLen = sizeof(*req) + 2;
+	req = malloc(*reqDataLen);
+	if (req == NULL) {
+		wpa_printf(MSG_ERROR, "EAP-PEAP: Failed to allocate memory for"
+			   " request");
+		eap_peap_state(data, FAILURE);
+		return NULL;
+	}
+
+	req->code = EAP_CODE_REQUEST;
+	req->identifier = id;
+	req->length = htons(*reqDataLen);
+	pos = (u8 *) (req + 1);
+	*pos++ = EAP_TYPE_PEAP;
+	*pos = EAP_TLS_FLAGS_START | data->peap_version;
+
+	eap_peap_state(data, PHASE1);
+
+	return (u8 *) req;
+}
+
+
+static u8 * eap_peap_build_req(struct eap_sm *sm, struct eap_peap_data *data,
+			       int id, size_t *reqDataLen)
+{
+	int res;
+	u8 *req;
+
+	res = eap_tls_buildReq_helper(sm, &data->ssl, EAP_TYPE_PEAP,
+				      data->peap_version, id, &req,
+				      reqDataLen);
+
+	if (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);
+	}
+
+	if (res == 1)
+		return eap_tls_build_ack(reqDataLen, id, EAP_TYPE_PEAP,
+					 data->peap_version);
+	return req;
+}
+
+
+static u8 * eap_peap_encrypt(struct eap_sm *sm, struct eap_peap_data *data,
+			     int id, u8 *plain, size_t plain_len,
+			     size_t *out_len)
+{
+	int res;
+	u8 *pos;
+	struct eap_hdr *req;
+
+	/* TODO: add support for fragmentation, if needed. This will need to
+	 * add TLS Message Length field, if the frame is fragmented. */
+	req = malloc(sizeof(struct eap_hdr) + 2 + data->ssl.tls_out_limit);
+	if (req == NULL)
+		return NULL;
+
+	req->code = EAP_CODE_REQUEST;
+	req->identifier = id;
+
+	pos = (u8 *) (req + 1);
+	*pos++ = EAP_TYPE_PEAP;
+	*pos++ = data->peap_version;
+
+	res = tls_connection_encrypt(sm->ssl_ctx, data->ssl.conn,
+				     plain, plain_len,
+				     pos, data->ssl.tls_out_limit);
+	if (res < 0) {
+		wpa_printf(MSG_INFO, "EAP-PEAP: Failed to encrypt Phase 2 "
+			   "data");
+		free(req);
+		return NULL;
+	}
+
+	*out_len = sizeof(struct eap_hdr) + 2 + res;
+	req->length = host_to_be16(*out_len);
+	return (u8 *) req;
+}
+
+
+static u8 * eap_peap_build_phase2_req(struct eap_sm *sm,
+				      struct eap_peap_data *data,
+				      int id, size_t *reqDataLen)
+{
+	u8 *req, *buf, *encr_req;
+	size_t req_len;
+
+	buf = req = data->phase2_method->buildReq(sm, data->phase2_priv, id,
+						  &req_len);
+	if (req == NULL)
+		return NULL;
+
+	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);
+	}
+
+	encr_req = eap_peap_encrypt(sm, data, id, req, req_len, reqDataLen);
+	free(buf);
+
+	return encr_req;
+}
+
+
+static u8 * eap_peap_build_phase2_term(struct eap_sm *sm,
+				       struct eap_peap_data *data,
+				       int id, size_t *reqDataLen, int success)
+{
+	u8 *encr_req;
+	size_t req_len;
+	struct eap_hdr *hdr;
+
+	req_len = sizeof(*hdr);
+	hdr = malloc(req_len);
+	if (hdr == NULL) {
+		return NULL;
+	}
+
+	memset(hdr, 0, req_len);
+	hdr->code = success ? EAP_CODE_SUCCESS : EAP_CODE_FAILURE;
+	hdr->identifier = id;
+	hdr->length = htons(req_len);
+
+	wpa_hexdump_key(MSG_DEBUG, "EAP-PEAP: Encrypting Phase 2 data",
+			(u8 *) hdr, req_len);
+
+	encr_req = eap_peap_encrypt(sm, data, id, (u8 *) hdr, req_len,
+				    reqDataLen);
+	free(hdr);
+
+	return encr_req;
+}
+
+
+static u8 * eap_peap_buildReq(struct eap_sm *sm, void *priv, int id,
+			      size_t *reqDataLen)
+{
+	struct eap_peap_data *data = priv;
+
+	switch (data->state) {
+	case START:
+		return eap_peap_build_start(sm, data, id, reqDataLen);
+	case PHASE1:
+		return eap_peap_build_req(sm, data, id, reqDataLen);
+	case PHASE2_ID:
+	case PHASE2_METHOD:
+	case PHASE2_TLV:
+		return eap_peap_build_phase2_req(sm, data, id, reqDataLen);
+	case SUCCESS_REQ:
+		return eap_peap_build_phase2_term(sm, data, id, reqDataLen, 1);
+	case FAILURE_REQ:
+		return eap_peap_build_phase2_term(sm, data, id, reqDataLen, 0);
+	default:
+		wpa_printf(MSG_DEBUG, "EAP-PEAP: %s - unexpected state %d",
+			   __func__, data->state);
+		return NULL;
+	}
+}
+
+
+static Boolean eap_peap_check(struct eap_sm *sm, void *priv,
+			      u8 *respData, size_t respDataLen)
+{
+	struct eap_hdr *resp;
+	u8 *pos;
+	size_t len;
+
+	resp = (struct eap_hdr *) respData;
+	pos = (u8 *) (resp + 1);
+	if (respDataLen < sizeof(*resp) + 2 || *pos != EAP_TYPE_PEAP ||
+	    (len = ntohs(resp->length)) > respDataLen) {
+		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,
+				u8 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_sm_get_eap_methods(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 void eap_peap_process_phase2_response(struct eap_sm *sm,
+					     struct eap_peap_data *data,
+					     u8 *in_data, size_t in_len)
+{
+	u8 next_type = EAP_TYPE_NONE;
+	struct eap_hdr *hdr;
+	u8 *pos;
+	size_t left;
+
+	if (data->phase2_priv == NULL) {
+		wpa_printf(MSG_DEBUG, "EAP-PEAP: %s - Phase2 not "
+			   "initialized?!", __func__);
+		return;
+	}
+
+	hdr = (struct eap_hdr *) in_data;
+	pos = (u8 *) (hdr + 1);
+	left = in_len - sizeof(*hdr);
+
+	if (in_len > sizeof(*hdr) && *pos == EAP_TYPE_NAK) {
+		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] !=
+		    EAP_TYPE_NONE) {
+			next_type =
+				sm->user->methods[sm->user_eap_method_index++];
+			wpa_printf(MSG_DEBUG, "EAP-PEAP: try EAP type %d",
+				   next_type);
+		} else {
+			next_type = eap_peap_req_failure(sm, data);
+		}
+		eap_peap_phase2_init(sm, data, next_type);
+		return;
+	}
+
+	if (data->phase2_method->check(sm, data->phase2_priv, in_data,
+				       in_len)) {
+		wpa_printf(MSG_DEBUG, "EAP-PEAP: Phase2 check() asked to "
+			   "ignore the packet");
+		return;
+	}
+
+	data->phase2_method->process(sm, data->phase2_priv, in_data, in_len);
+
+	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");
+		next_type = eap_peap_req_failure(sm, data);
+		eap_peap_phase2_init(sm, data, next_type);
+		return;
+	}
+
+	switch (data->state) {
+	case PHASE2_ID:
+		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);
+			next_type = eap_peap_req_failure(sm, data);
+			break;
+		}
+
+		eap_peap_state(data, PHASE2_METHOD);
+		next_type = sm->user->methods[0];
+		sm->user_eap_method_index = 1;
+		wpa_printf(MSG_DEBUG, "EAP-PEAP: try EAP type %d", next_type);
+		break;
+	case PHASE2_METHOD:
+		next_type = eap_peap_req_success(sm, data);
+		break;
+	case PHASE2_TLV:
+		if (sm->tlv_request == TLV_REQ_SUCCESS ||
+		    data->state == SUCCESS_REQ) {
+			eap_peap_state(data, SUCCESS);
+		} else {
+			eap_peap_state(data, FAILURE);
+		}
+		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,
+				    struct eap_hdr *resp,
+				    u8 *in_data, size_t in_len)
+{
+	u8 *in_decrypted;
+	int buf_len, len_decrypted, len, res;
+	struct eap_hdr *hdr;
+
+	wpa_printf(MSG_DEBUG, "EAP-PEAP: received %lu bytes encrypted data for"
+		   " Phase 2", (unsigned long) in_len);
+
+	res = eap_tls_data_reassemble(sm, &data->ssl, &in_data, &in_len);
+	if (res < 0 || res == 1)
+		return;
+
+	buf_len = in_len;
+	if (data->ssl.tls_in_total > buf_len)
+		buf_len = data->ssl.tls_in_total;
+	in_decrypted = malloc(buf_len);
+	if (in_decrypted == NULL) {
+		free(data->ssl.tls_in);
+		data->ssl.tls_in = NULL;
+		data->ssl.tls_in_len = 0;
+		wpa_printf(MSG_WARNING, "EAP-PEAP: failed to allocate memory "
+			   "for decryption");
+		return;
+	}
+
+	len_decrypted = tls_connection_decrypt(sm->ssl_ctx, data->ssl.conn,
+					       in_data, in_len,
+					       in_decrypted, buf_len);
+	free(data->ssl.tls_in);
+	data->ssl.tls_in = NULL;
+	data->ssl.tls_in_len = 0;
+	if (len_decrypted < 0) {
+		wpa_printf(MSG_INFO, "EAP-PEAP: Failed to decrypt Phase 2 "
+			   "data");
+		free(in_decrypted);
+		eap_peap_state(data, FAILURE);
+		return;
+	}
+
+	wpa_hexdump_key(MSG_DEBUG, "EAP-PEAP: Decrypted Phase 2 EAP",
+			in_decrypted, len_decrypted);
+
+	hdr = (struct eap_hdr *) in_decrypted;
+
+	if (data->peap_version == 0 && data->state != PHASE2_TLV) {
+		struct eap_hdr *nhdr = malloc(sizeof(struct eap_hdr) +
+					      len_decrypted);
+		if (nhdr == NULL) {
+			free(in_decrypted);
+			return;
+		}
+		memcpy((u8 *) (nhdr + 1), in_decrypted, len_decrypted);
+		free(in_decrypted);
+		nhdr->code = resp->code;
+		nhdr->identifier = resp->identifier;
+		nhdr->length = host_to_be16(sizeof(struct eap_hdr) +
+					    len_decrypted);
+
+		len_decrypted += sizeof(struct eap_hdr);
+		in_decrypted = (u8 *) nhdr;
+	}
+	hdr = (struct eap_hdr *) in_decrypted;
+	if (len_decrypted < sizeof(*hdr)) {
+		free(in_decrypted);
+		wpa_printf(MSG_INFO, "EAP-PEAP: Too short Phase 2 "
+			   "EAP frame (len=%d)", len_decrypted);
+		eap_peap_req_failure(sm, data);
+		return;
+	}
+	len = be_to_host16(hdr->length);
+	if (len > len_decrypted) {
+		free(in_decrypted);
+		wpa_printf(MSG_INFO, "EAP-PEAP: Length mismatch in "
+			   "Phase 2 EAP frame (len=%d hdr->length=%d)",
+			   len_decrypted, len);
+		eap_peap_req_failure(sm, data);
+		return;
+	}
+	wpa_printf(MSG_DEBUG, "EAP-PEAP: received Phase 2: code=%d "
+		   "identifier=%d length=%d", hdr->code, hdr->identifier, len);
+	switch (hdr->code) {
+	case EAP_CODE_RESPONSE:
+		eap_peap_process_phase2_response(sm, data, (u8 *) hdr, len);
+		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;
+	}
+
+	free(in_decrypted);
+ }
+
+
+static void eap_peap_process(struct eap_sm *sm, void *priv,
+			     u8 *respData, size_t respDataLen)
+{
+	struct eap_peap_data *data = priv;
+	struct eap_hdr *resp;
+	u8 *pos, flags;
+	int left;
+	unsigned int tls_msg_len;
+	int peer_version;
+
+	resp = (struct eap_hdr *) respData;
+	pos = (u8 *) (resp + 1);
+	pos++;
+	flags = *pos++;
+	left = htons(resp->length) - sizeof(struct eap_hdr) - 2;
+	wpa_printf(MSG_DEBUG, "EAP-PEAP: Received packet(len=%lu) - "
+		   "Flags 0x%02x", (unsigned long) respDataLen, flags);
+	peer_version = flags & EAP_PEAP_VERSION_MASK;
+	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);
+		eap_peap_state(data, FAILURE);
+		return;
+	}
+	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;
+			   
+	}
+	if (flags & EAP_TLS_FLAGS_LENGTH_INCLUDED) {
+		if (left < 4) {
+			wpa_printf(MSG_INFO, "EAP-PEAP: Short frame with TLS "
+				   "length");
+			eap_peap_state(data, FAILURE);
+			return;
+		}
+		tls_msg_len = (pos[0] << 24) | (pos[1] << 16) | (pos[2] << 8) |
+			pos[3];
+		wpa_printf(MSG_DEBUG, "EAP-PEAP: TLS Message Length: %d",
+			   tls_msg_len);
+		if (data->ssl.tls_in_left == 0) {
+			data->ssl.tls_in_total = tls_msg_len;
+			data->ssl.tls_in_left = tls_msg_len;
+			free(data->ssl.tls_in);
+			data->ssl.tls_in = NULL;
+			data->ssl.tls_in_len = 0;
+		}
+		pos += 4;
+		left -= 4;
+	}
+
+	switch (data->state) {
+	case PHASE1:
+		if (eap_tls_process_helper(sm, &data->ssl, pos, left) < 0) {
+			wpa_printf(MSG_INFO, "EAP-PEAP: TLS processing "
+				   "failed");
+			eap_peap_state(data, FAILURE);
+		}
+		break;
+	case PHASE2_START:
+		eap_peap_state(data, PHASE2_ID);
+		eap_peap_phase2_init(sm, data, EAP_TYPE_IDENTITY);
+		break;
+	case PHASE2_ID:
+	case PHASE2_METHOD:
+	case PHASE2_TLV:
+		eap_peap_process_phase2(sm, data, resp, pos, left);
+		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 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;
+
+	/* TODO: PEAPv1 - different label in some cases */
+	eapKeyData = eap_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;
+}
+
+
+const struct eap_method eap_method_peap =
+{
+	.method = EAP_TYPE_PEAP,
+	.name = "PEAP",
+	.init = eap_peap_init,
+	.reset = eap_peap_reset,
+	.buildReq = eap_peap_buildReq,
+	.check = eap_peap_check,
+	.process = eap_peap_process,
+	.isDone = eap_peap_isDone,
+	.getKey = eap_peap_getKey,
+	.isSuccess = eap_peap_isSuccess,
+};