X-Git-Url: http://www.project-moonshot.org/gitweb/?a=blobdiff_plain;f=libeap%2Feap_example%2Feap_example_server.c;fp=libeap%2Feap_example%2Feap_example_server.c;h=03deb6751454f8af82c201c23b0d9712668f4056;hb=fa210a112d16848a282d662f16f9b8589dd371df;hp=0000000000000000000000000000000000000000;hpb=a3d666260a9b578b9ad6f7ffd15671530ec632d9;p=mech_eap.orig

diff --git a/libeap/eap_example/eap_example_server.c b/libeap/eap_example/eap_example_server.c
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+++ b/libeap/eap_example/eap_example_server.c
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+/*
+ * Example application showing how EAP server code from hostapd can be used as
+ * a library.
+ * Copyright (c) 2007, 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/tls.h"
+#include "eap_server/eap.h"
+#include "wpabuf.h"
+
+void eap_example_peer_rx(const u8 *data, size_t data_len);
+
+
+struct eap_server_ctx {
+	struct eap_eapol_interface *eap_if;
+	struct eap_sm *eap;
+	void *tls_ctx;
+};
+
+static struct eap_server_ctx eap_ctx;
+
+
+static int server_get_eap_user(void *ctx, const u8 *identity,
+			       size_t identity_len, int phase2,
+			       struct eap_user *user)
+{
+	os_memset(user, 0, sizeof(*user));
+
+	if (!phase2) {
+		/* Only allow EAP-PEAP as the Phase 1 method */
+		user->methods[0].vendor = EAP_VENDOR_IETF;
+		user->methods[0].method = EAP_TYPE_PEAP;
+		return 0;
+	}
+
+	if (identity_len != 4 || identity == NULL ||
+	    os_memcmp(identity, "user", 4) != 0) {
+		printf("Unknown user\n");
+		return -1;
+	}
+
+	/* Only allow EAP-MSCHAPv2 as the Phase 2 method */
+	user->methods[0].vendor = EAP_VENDOR_IETF;
+	user->methods[0].method = EAP_TYPE_MSCHAPV2;
+	user->password = (u8 *) os_strdup("password");
+	user->password_len = 8;
+
+	return 0;
+}
+
+
+static const char * server_get_eap_req_id_text(void *ctx, size_t *len)
+{
+	*len = 0;
+	return NULL;
+}
+
+
+static struct eapol_callbacks eap_cb;
+static struct eap_config eap_conf;
+
+static int eap_example_server_init_tls(void)
+{
+	struct tls_config tconf;
+	struct tls_connection_params tparams;
+
+	os_memset(&tconf, 0, sizeof(tconf));
+	eap_ctx.tls_ctx = tls_init(&tconf);
+	if (eap_ctx.tls_ctx == NULL)
+		return -1;
+
+	os_memset(&tparams, 0, sizeof(tparams));
+	tparams.ca_cert = "ca.pem";
+	tparams.client_cert = "server.pem";
+	/* tparams.private_key = "server.key"; */
+	tparams.private_key = "server-key.pem";
+	/* tparams.private_key_passwd = "whatever"; */
+
+	if (tls_global_set_params(eap_ctx.tls_ctx, &tparams)) {
+		printf("Failed to set TLS parameters\n");
+		return -1;
+	}
+
+	if (tls_global_set_verify(eap_ctx.tls_ctx, 0)) {
+		printf("Failed to set check_crl\n");
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static int eap_server_register_methods(void)
+{
+	int ret = 0;
+
+#ifdef EAP_SERVER_IDENTITY
+	if (ret == 0)
+		ret = eap_server_identity_register();
+#endif /* EAP_SERVER_IDENTITY */
+
+#ifdef EAP_SERVER_MD5
+	if (ret == 0)
+		ret = eap_server_md5_register();
+#endif /* EAP_SERVER_MD5 */
+
+#ifdef EAP_SERVER_TLS
+	if (ret == 0)
+		ret = eap_server_tls_register();
+#endif /* EAP_SERVER_TLS */
+
+#ifdef EAP_SERVER_MSCHAPV2
+	if (ret == 0)
+		ret = eap_server_mschapv2_register();
+#endif /* EAP_SERVER_MSCHAPV2 */
+
+#ifdef EAP_SERVER_PEAP
+	if (ret == 0)
+		ret = eap_server_peap_register();
+#endif /* EAP_SERVER_PEAP */
+
+#ifdef EAP_SERVER_TLV
+	if (ret == 0)
+		ret = eap_server_tlv_register();
+#endif /* EAP_SERVER_TLV */
+
+#ifdef EAP_SERVER_GTC
+	if (ret == 0)
+		ret = eap_server_gtc_register();
+#endif /* EAP_SERVER_GTC */
+
+#ifdef EAP_SERVER_TTLS
+	if (ret == 0)
+		ret = eap_server_ttls_register();
+#endif /* EAP_SERVER_TTLS */
+
+#ifdef EAP_SERVER_SIM
+	if (ret == 0)
+		ret = eap_server_sim_register();
+#endif /* EAP_SERVER_SIM */
+
+#ifdef EAP_SERVER_AKA
+	if (ret == 0)
+		ret = eap_server_aka_register();
+#endif /* EAP_SERVER_AKA */
+
+#ifdef EAP_SERVER_AKA_PRIME
+	if (ret == 0)
+		ret = eap_server_aka_prime_register();
+#endif /* EAP_SERVER_AKA_PRIME */
+
+#ifdef EAP_SERVER_PAX
+	if (ret == 0)
+		ret = eap_server_pax_register();
+#endif /* EAP_SERVER_PAX */
+
+#ifdef EAP_SERVER_PSK
+	if (ret == 0)
+		ret = eap_server_psk_register();
+#endif /* EAP_SERVER_PSK */
+
+#ifdef EAP_SERVER_SAKE
+	if (ret == 0)
+		ret = eap_server_sake_register();
+#endif /* EAP_SERVER_SAKE */
+
+#ifdef EAP_SERVER_GPSK
+	if (ret == 0)
+		ret = eap_server_gpsk_register();
+#endif /* EAP_SERVER_GPSK */
+
+#ifdef EAP_SERVER_VENDOR_TEST
+	if (ret == 0)
+		ret = eap_server_vendor_test_register();
+#endif /* EAP_SERVER_VENDOR_TEST */
+
+#ifdef EAP_SERVER_FAST
+	if (ret == 0)
+		ret = eap_server_fast_register();
+#endif /* EAP_SERVER_FAST */
+
+#ifdef EAP_SERVER_WSC
+	if (ret == 0)
+		ret = eap_server_wsc_register();
+#endif /* EAP_SERVER_WSC */
+
+#ifdef EAP_SERVER_IKEV2
+	if (ret == 0)
+		ret = eap_server_ikev2_register();
+#endif /* EAP_SERVER_IKEV2 */
+
+#ifdef EAP_SERVER_TNC
+	if (ret == 0)
+		ret = eap_server_tnc_register();
+#endif /* EAP_SERVER_TNC */
+
+	return ret;
+}
+
+
+int eap_example_server_init(void)
+{
+	if (eap_server_register_methods() < 0)
+		return -1;
+
+	os_memset(&eap_ctx, 0, sizeof(eap_ctx));
+
+	if (eap_example_server_init_tls() < 0)
+		return -1;
+
+	os_memset(&eap_cb, 0, sizeof(eap_cb));
+	eap_cb.get_eap_user = server_get_eap_user;
+	eap_cb.get_eap_req_id_text = server_get_eap_req_id_text;
+
+	os_memset(&eap_conf, 0, sizeof(eap_conf));
+	eap_conf.eap_server = 1;
+	eap_conf.ssl_ctx = eap_ctx.tls_ctx;
+
+	eap_ctx.eap = eap_server_sm_init(&eap_ctx, &eap_cb, &eap_conf);
+	if (eap_ctx.eap == NULL)
+		return -1;
+
+	eap_ctx.eap_if = eap_get_interface(eap_ctx.eap);
+
+	/* Enable "port" and request EAP to start authentication. */
+	eap_ctx.eap_if->portEnabled = TRUE;
+	eap_ctx.eap_if->eapRestart = TRUE;
+
+	return 0;
+}
+
+
+void eap_example_server_deinit(void)
+{
+	eap_server_sm_deinit(eap_ctx.eap);
+	eap_server_unregister_methods();
+	tls_deinit(eap_ctx.tls_ctx);
+}
+
+
+int eap_example_server_step(void)
+{
+	int res, process = 0;
+
+	res = eap_server_sm_step(eap_ctx.eap);
+
+	if (eap_ctx.eap_if->eapReq) {
+		printf("==> Request\n");
+		process = 1;
+		eap_ctx.eap_if->eapReq = 0;
+	}
+
+	if (eap_ctx.eap_if->eapSuccess) {
+		printf("==> Success\n");
+		process = 1;
+		res = 0;
+		eap_ctx.eap_if->eapSuccess = 0;
+
+		if (eap_ctx.eap_if->eapKeyAvailable) {
+			wpa_hexdump(MSG_DEBUG, "EAP keying material",
+				    eap_ctx.eap_if->eapKeyData,
+				    eap_ctx.eap_if->eapKeyDataLen);
+		}
+	}
+
+	if (eap_ctx.eap_if->eapFail) {
+		printf("==> Fail\n");
+		process = 1;
+		eap_ctx.eap_if->eapFail = 0;
+	}
+
+	if (process && eap_ctx.eap_if->eapReqData) {
+		/* Send EAP response to the server */
+		eap_example_peer_rx(wpabuf_head(eap_ctx.eap_if->eapReqData),
+				    wpabuf_len(eap_ctx.eap_if->eapReqData));
+	}
+
+	return res;
+}
+
+
+void eap_example_server_rx(const u8 *data, size_t data_len)
+{
+	/* Make received EAP message available to the EAP library */
+	wpabuf_free(eap_ctx.eap_if->eapRespData);
+	eap_ctx.eap_if->eapRespData = wpabuf_alloc_copy(data, data_len);
+	if (eap_ctx.eap_if->eapRespData)
+		eap_ctx.eap_if->eapResp = TRUE;
+}