remove @EAP_LDFLAGS@, no longer exists
[mech_eap.orig] / libeap / eap_example / eap_example_server.c
diff --git a/libeap/eap_example/eap_example_server.c b/libeap/eap_example/eap_example_server.c
new file mode 100644 (file)
index 0000000..03deb67
--- /dev/null
@@ -0,0 +1,301 @@
+/*
+ * 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;
+}