--- /dev/null
+/*
+ * RADIUS authentication server
+ * Copyright (c) 2005-2009, 2011-2014, Jouni Malinen <j@w1.fi>
+ *
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
+ */
+
+#include "includes.h"
+#include <net/if.h>
+#ifdef CONFIG_SQLITE
+#include <sqlite3.h>
+#endif /* CONFIG_SQLITE */
+
+#include "common.h"
+#include "radius.h"
+#include "eloop.h"
+#include "eap_server/eap.h"
+#include "ap/ap_config.h"
+#include "crypto/tls.h"
+#include "radius_server.h"
+
+/**
+ * RADIUS_SESSION_TIMEOUT - Session timeout in seconds
+ */
+#define RADIUS_SESSION_TIMEOUT 60
+
+/**
+ * RADIUS_MAX_SESSION - Maximum number of active sessions
+ */
+#define RADIUS_MAX_SESSION 100
+
+/**
+ * RADIUS_MAX_MSG_LEN - Maximum message length for incoming RADIUS messages
+ */
+#define RADIUS_MAX_MSG_LEN 3000
+
+static const struct eapol_callbacks radius_server_eapol_cb;
+
+struct radius_client;
+struct radius_server_data;
+
+/**
+ * struct radius_server_counters - RADIUS server statistics counters
+ */
+struct radius_server_counters {
+ u32 access_requests;
+ u32 invalid_requests;
+ u32 dup_access_requests;
+ u32 access_accepts;
+ u32 access_rejects;
+ u32 access_challenges;
+ u32 malformed_access_requests;
+ u32 bad_authenticators;
+ u32 packets_dropped;
+ u32 unknown_types;
+
+ u32 acct_requests;
+ u32 invalid_acct_requests;
+ u32 acct_responses;
+ u32 malformed_acct_requests;
+ u32 acct_bad_authenticators;
+ u32 unknown_acct_types;
+};
+
+/**
+ * struct radius_session - Internal RADIUS server data for a session
+ */
+struct radius_session {
+ struct radius_session *next;
+ struct radius_client *client;
+ struct radius_server_data *server;
+ unsigned int sess_id;
+ struct eap_sm *eap;
+ struct eap_eapol_interface *eap_if;
+ char *username; /* from User-Name attribute */
+ char *nas_ip;
+
+ struct radius_msg *last_msg;
+ char *last_from_addr;
+ int last_from_port;
+ struct sockaddr_storage last_from;
+ socklen_t last_fromlen;
+ u8 last_identifier;
+ struct radius_msg *last_reply;
+ u8 last_authenticator[16];
+
+ unsigned int remediation:1;
+ unsigned int macacl:1;
+
+ struct hostapd_radius_attr *accept_attr;
+};
+
+/**
+ * struct radius_client - Internal RADIUS server data for a client
+ */
+struct radius_client {
+ struct radius_client *next;
+ struct in_addr addr;
+ struct in_addr mask;
+#ifdef CONFIG_IPV6
+ struct in6_addr addr6;
+ struct in6_addr mask6;
+#endif /* CONFIG_IPV6 */
+ char *shared_secret;
+ int shared_secret_len;
+ struct radius_session *sessions;
+ struct radius_server_counters counters;
+};
+
+/**
+ * struct radius_server_data - Internal RADIUS server data
+ */
+struct radius_server_data {
+ /**
+ * auth_sock - Socket for RADIUS authentication messages
+ */
+ int auth_sock;
+
+ /**
+ * acct_sock - Socket for RADIUS accounting messages
+ */
+ int acct_sock;
+
+ /**
+ * clients - List of authorized RADIUS clients
+ */
+ struct radius_client *clients;
+
+ /**
+ * next_sess_id - Next session identifier
+ */
+ unsigned int next_sess_id;
+
+ /**
+ * conf_ctx - Context pointer for callbacks
+ *
+ * This is used as the ctx argument in get_eap_user() calls.
+ */
+ void *conf_ctx;
+
+ /**
+ * num_sess - Number of active sessions
+ */
+ int num_sess;
+
+ /**
+ * eap_sim_db_priv - EAP-SIM/AKA database context
+ *
+ * This is passed to the EAP-SIM/AKA server implementation as a
+ * callback context.
+ */
+ void *eap_sim_db_priv;
+
+ /**
+ * ssl_ctx - TLS context
+ *
+ * This is passed to the EAP server implementation as a callback
+ * context for TLS operations.
+ */
+ void *ssl_ctx;
+
+ /**
+ * pac_opaque_encr_key - PAC-Opaque encryption key for EAP-FAST
+ *
+ * This parameter is used to set a key for EAP-FAST to encrypt the
+ * PAC-Opaque data. It can be set to %NULL if EAP-FAST is not used. If
+ * set, must point to a 16-octet key.
+ */
+ u8 *pac_opaque_encr_key;
+
+ /**
+ * eap_fast_a_id - EAP-FAST authority identity (A-ID)
+ *
+ * If EAP-FAST is not used, this can be set to %NULL. In theory, this
+ * is a variable length field, but due to some existing implementations
+ * requiring A-ID to be 16 octets in length, it is recommended to use
+ * that length for the field to provide interoperability with deployed
+ * peer implementations.
+ */
+ u8 *eap_fast_a_id;
+
+ /**
+ * eap_fast_a_id_len - Length of eap_fast_a_id buffer in octets
+ */
+ size_t eap_fast_a_id_len;
+
+ /**
+ * eap_fast_a_id_info - EAP-FAST authority identifier information
+ *
+ * This A-ID-Info contains a user-friendly name for the A-ID. For
+ * example, this could be the enterprise and server names in
+ * human-readable format. This field is encoded as UTF-8. If EAP-FAST
+ * is not used, this can be set to %NULL.
+ */
+ char *eap_fast_a_id_info;
+
+ /**
+ * eap_fast_prov - EAP-FAST provisioning modes
+ *
+ * 0 = provisioning disabled, 1 = only anonymous provisioning allowed,
+ * 2 = only authenticated provisioning allowed, 3 = both provisioning
+ * modes allowed.
+ */
+ int eap_fast_prov;
+
+ /**
+ * pac_key_lifetime - EAP-FAST PAC-Key lifetime in seconds
+ *
+ * This is the hard limit on how long a provisioned PAC-Key can be
+ * used.
+ */
+ int pac_key_lifetime;
+
+ /**
+ * pac_key_refresh_time - EAP-FAST PAC-Key refresh time in seconds
+ *
+ * This is a soft limit on the PAC-Key. The server will automatically
+ * generate a new PAC-Key when this number of seconds (or fewer) of the
+ * lifetime remains.
+ */
+ int pac_key_refresh_time;
+
+ /**
+ * eap_sim_aka_result_ind - EAP-SIM/AKA protected success indication
+ *
+ * This controls whether the protected success/failure indication
+ * (AT_RESULT_IND) is used with EAP-SIM and EAP-AKA.
+ */
+ int eap_sim_aka_result_ind;
+
+ /**
+ * tnc - Trusted Network Connect (TNC)
+ *
+ * This controls whether TNC is enabled and will be required before the
+ * peer is allowed to connect. Note: This is only used with EAP-TTLS
+ * and EAP-FAST. If any other EAP method is enabled, the peer will be
+ * allowed to connect without TNC.
+ */
+ int tnc;
+
+ /**
+ * pwd_group - The D-H group assigned for EAP-pwd
+ *
+ * If EAP-pwd is not used it can be set to zero.
+ */
+ u16 pwd_group;
+
+ /**
+ * server_id - Server identity
+ */
+ const char *server_id;
+
+ /**
+ * erp - Whether EAP Re-authentication Protocol (ERP) is enabled
+ *
+ * This controls whether the authentication server derives ERP key
+ * hierarchy (rRK and rIK) from full EAP authentication and allows
+ * these keys to be used to perform ERP to derive rMSK instead of full
+ * EAP authentication to derive MSK.
+ */
+ int erp;
+
+ const char *erp_domain;
+
+ struct dl_list erp_keys; /* struct eap_server_erp_key */
+
+ unsigned int tls_session_lifetime;
+
+ /**
+ * wps - Wi-Fi Protected Setup context
+ *
+ * If WPS is used with an external RADIUS server (which is quite
+ * unlikely configuration), this is used to provide a pointer to WPS
+ * context data. Normally, this can be set to %NULL.
+ */
+ struct wps_context *wps;
+
+ /**
+ * ipv6 - Whether to enable IPv6 support in the RADIUS server
+ */
+ int ipv6;
+
+ /**
+ * start_time - Timestamp of server start
+ */
+ struct os_reltime start_time;
+
+ /**
+ * counters - Statistics counters for server operations
+ *
+ * These counters are the sum over all clients.
+ */
+ struct radius_server_counters counters;
+
+ /**
+ * get_eap_user - Callback for fetching EAP user information
+ * @ctx: Context data from conf_ctx
+ * @identity: User identity
+ * @identity_len: identity buffer length in octets
+ * @phase2: Whether this is for Phase 2 identity
+ * @user: Data structure for filling in the user information
+ * Returns: 0 on success, -1 on failure
+ *
+ * This is used to fetch information from user database. The callback
+ * will fill in information about allowed EAP methods and the user
+ * password. The password field will be an allocated copy of the
+ * password data and RADIUS server will free it after use.
+ */
+ int (*get_eap_user)(void *ctx, const u8 *identity, size_t identity_len,
+ int phase2, struct eap_user *user);
+
+ /**
+ * eap_req_id_text - Optional data for EAP-Request/Identity
+ *
+ * This can be used to configure an optional, displayable message that
+ * will be sent in EAP-Request/Identity. This string can contain an
+ * ASCII-0 character (nul) to separate network infromation per RFC
+ * 4284. The actual string length is explicit provided in
+ * eap_req_id_text_len since nul character will not be used as a string
+ * terminator.
+ */
+ char *eap_req_id_text;
+
+ /**
+ * eap_req_id_text_len - Length of eap_req_id_text buffer in octets
+ */
+ size_t eap_req_id_text_len;
+
+ /*
+ * msg_ctx - Context data for wpa_msg() calls
+ */
+ void *msg_ctx;
+
+#ifdef CONFIG_RADIUS_TEST
+ char *dump_msk_file;
+#endif /* CONFIG_RADIUS_TEST */
+
+ char *subscr_remediation_url;
+ u8 subscr_remediation_method;
+
+#ifdef CONFIG_SQLITE
+ sqlite3 *db;
+#endif /* CONFIG_SQLITE */
+};
+
+
+#define RADIUS_DEBUG(args...) \
+wpa_printf(MSG_DEBUG, "RADIUS SRV: " args)
+#define RADIUS_ERROR(args...) \
+wpa_printf(MSG_ERROR, "RADIUS SRV: " args)
+#define RADIUS_DUMP(args...) \
+wpa_hexdump(MSG_MSGDUMP, "RADIUS SRV: " args)
+#define RADIUS_DUMP_ASCII(args...) \
+wpa_hexdump_ascii(MSG_MSGDUMP, "RADIUS SRV: " args)
+
+
+static void radius_server_session_timeout(void *eloop_ctx, void *timeout_ctx);
+static void radius_server_session_remove_timeout(void *eloop_ctx,
+ void *timeout_ctx);
+
+void srv_log(struct radius_session *sess, const char *fmt, ...)
+PRINTF_FORMAT(2, 3);
+
+void srv_log(struct radius_session *sess, const char *fmt, ...)
+{
+ va_list ap;
+ char *buf;
+ int buflen;
+
+ va_start(ap, fmt);
+ buflen = vsnprintf(NULL, 0, fmt, ap) + 1;
+ va_end(ap);
+
+ buf = os_malloc(buflen);
+ if (buf == NULL)
+ return;
+ va_start(ap, fmt);
+ vsnprintf(buf, buflen, fmt, ap);
+ va_end(ap);
+
+ RADIUS_DEBUG("[0x%x %s] %s", sess->sess_id, sess->nas_ip, buf);
+
+#ifdef CONFIG_SQLITE
+ if (sess->server->db) {
+ char *sql;
+ sql = sqlite3_mprintf("INSERT INTO authlog"
+ "(timestamp,session,nas_ip,username,note)"
+ " VALUES ("
+ "strftime('%%Y-%%m-%%d %%H:%%M:%%f',"
+ "'now'),%u,%Q,%Q,%Q)",
+ sess->sess_id, sess->nas_ip,
+ sess->username, buf);
+ if (sql) {
+ if (sqlite3_exec(sess->server->db, sql, NULL, NULL,
+ NULL) != SQLITE_OK) {
+ RADIUS_ERROR("Failed to add authlog entry into sqlite database: %s",
+ sqlite3_errmsg(sess->server->db));
+ }
+ sqlite3_free(sql);
+ }
+ }
+#endif /* CONFIG_SQLITE */
+
+ os_free(buf);
+}
+
+
+static struct radius_client *
+radius_server_get_client(struct radius_server_data *data, struct in_addr *addr,
+ int ipv6)
+{
+ struct radius_client *client = data->clients;
+
+ while (client) {
+#ifdef CONFIG_IPV6
+ if (ipv6) {
+ struct in6_addr *addr6;
+ int i;
+
+ addr6 = (struct in6_addr *) addr;
+ for (i = 0; i < 16; i++) {
+ if ((addr6->s6_addr[i] &
+ client->mask6.s6_addr[i]) !=
+ (client->addr6.s6_addr[i] &
+ client->mask6.s6_addr[i])) {
+ i = 17;
+ break;
+ }
+ }
+ if (i == 16) {
+ break;
+ }
+ }
+#endif /* CONFIG_IPV6 */
+ if (!ipv6 && (client->addr.s_addr & client->mask.s_addr) ==
+ (addr->s_addr & client->mask.s_addr)) {
+ break;
+ }
+
+ client = client->next;
+ }
+
+ return client;
+}
+
+
+static struct radius_session *
+radius_server_get_session(struct radius_client *client, unsigned int sess_id)
+{
+ struct radius_session *sess = client->sessions;
+
+ while (sess) {
+ if (sess->sess_id == sess_id) {
+ break;
+ }
+ sess = sess->next;
+ }
+
+ return sess;
+}
+
+
+static void radius_server_session_free(struct radius_server_data *data,
+ struct radius_session *sess)
+{
+ eloop_cancel_timeout(radius_server_session_timeout, data, sess);
+ eloop_cancel_timeout(radius_server_session_remove_timeout, data, sess);
+ eap_server_sm_deinit(sess->eap);
+ radius_msg_free(sess->last_msg);
+ os_free(sess->last_from_addr);
+ radius_msg_free(sess->last_reply);
+ os_free(sess->username);
+ os_free(sess->nas_ip);
+ os_free(sess);
+ data->num_sess--;
+}
+
+
+static void radius_server_session_remove(struct radius_server_data *data,
+ struct radius_session *sess)
+{
+ struct radius_client *client = sess->client;
+ struct radius_session *session, *prev;
+
+ eloop_cancel_timeout(radius_server_session_remove_timeout, data, sess);
+
+ prev = NULL;
+ session = client->sessions;
+ while (session) {
+ if (session == sess) {
+ if (prev == NULL) {
+ client->sessions = sess->next;
+ } else {
+ prev->next = sess->next;
+ }
+ radius_server_session_free(data, sess);
+ break;
+ }
+ prev = session;
+ session = session->next;
+ }
+}
+
+
+static void radius_server_session_remove_timeout(void *eloop_ctx,
+ void *timeout_ctx)
+{
+ struct radius_server_data *data = eloop_ctx;
+ struct radius_session *sess = timeout_ctx;
+ RADIUS_DEBUG("Removing completed session 0x%x", sess->sess_id);
+ radius_server_session_remove(data, sess);
+}
+
+
+static void radius_server_session_timeout(void *eloop_ctx, void *timeout_ctx)
+{
+ struct radius_server_data *data = eloop_ctx;
+ struct radius_session *sess = timeout_ctx;
+
+ RADIUS_DEBUG("Timing out authentication session 0x%x", sess->sess_id);
+ radius_server_session_remove(data, sess);
+}
+
+
+static struct radius_session *
+radius_server_new_session(struct radius_server_data *data,
+ struct radius_client *client)
+{
+ struct radius_session *sess;
+
+ if (data->num_sess >= RADIUS_MAX_SESSION) {
+ RADIUS_DEBUG("Maximum number of existing session - no room "
+ "for a new session");
+ return NULL;
+ }
+
+ sess = os_zalloc(sizeof(*sess));
+ if (sess == NULL)
+ return NULL;
+
+ sess->server = data;
+ sess->client = client;
+ sess->sess_id = data->next_sess_id++;
+ sess->next = client->sessions;
+ client->sessions = sess;
+ eloop_register_timeout(RADIUS_SESSION_TIMEOUT, 0,
+ radius_server_session_timeout, data, sess);
+ data->num_sess++;
+ return sess;
+}
+
+
+#ifdef CONFIG_TESTING_OPTIONS
+static void radius_server_testing_options_tls(struct radius_session *sess,
+ const char *tls,
+ struct eap_config *eap_conf)
+{
+ int test = atoi(tls);
+
+ switch (test) {
+ case 1:
+ srv_log(sess, "TLS test - break VerifyData");
+ eap_conf->tls_test_flags = TLS_BREAK_VERIFY_DATA;
+ break;
+ case 2:
+ srv_log(sess, "TLS test - break ServerKeyExchange ServerParams hash");
+ eap_conf->tls_test_flags = TLS_BREAK_SRV_KEY_X_HASH;
+ break;
+ case 3:
+ srv_log(sess, "TLS test - break ServerKeyExchange ServerParams Signature");
+ eap_conf->tls_test_flags = TLS_BREAK_SRV_KEY_X_SIGNATURE;
+ break;
+ case 4:
+ srv_log(sess, "TLS test - RSA-DHE using a short 511-bit prime");
+ eap_conf->tls_test_flags = TLS_DHE_PRIME_511B;
+ break;
+ case 5:
+ srv_log(sess, "TLS test - RSA-DHE using a short 767-bit prime");
+ eap_conf->tls_test_flags = TLS_DHE_PRIME_767B;
+ break;
+ case 6:
+ srv_log(sess, "TLS test - RSA-DHE using a bogus 15 \"prime\"");
+ eap_conf->tls_test_flags = TLS_DHE_PRIME_15;
+ break;
+ case 7:
+ srv_log(sess, "TLS test - RSA-DHE using a short 58-bit prime in long container");
+ eap_conf->tls_test_flags = TLS_DHE_PRIME_58B;
+ break;
+ case 8:
+ srv_log(sess, "TLS test - RSA-DHE using a non-prime");
+ eap_conf->tls_test_flags = TLS_DHE_NON_PRIME;
+ break;
+ default:
+ srv_log(sess, "Unrecognized TLS test");
+ break;
+ }
+}
+#endif /* CONFIG_TESTING_OPTIONS */
+
+static void radius_server_testing_options(struct radius_session *sess,
+ struct eap_config *eap_conf)
+{
+#ifdef CONFIG_TESTING_OPTIONS
+ const char *pos;
+
+ pos = os_strstr(sess->username, "@test-");
+ if (pos == NULL)
+ return;
+ pos += 6;
+ if (os_strncmp(pos, "tls-", 4) == 0)
+ radius_server_testing_options_tls(sess, pos + 4, eap_conf);
+ else
+ srv_log(sess, "Unrecognized test: %s", pos);
+#endif /* CONFIG_TESTING_OPTIONS */
+}
+
+
+static struct radius_session *
+radius_server_get_new_session(struct radius_server_data *data,
+ struct radius_client *client,
+ struct radius_msg *msg, const char *from_addr)
+{
+ u8 *user;
+ size_t user_len;
+ int res;
+ struct radius_session *sess;
+ struct eap_config eap_conf;
+ struct eap_user tmp;
+
+ RADIUS_DEBUG("Creating a new session");
+
+ if (radius_msg_get_attr_ptr(msg, RADIUS_ATTR_USER_NAME, &user,
+ &user_len, NULL) < 0) {
+ RADIUS_DEBUG("Could not get User-Name");
+ return NULL;
+ }
+ RADIUS_DUMP_ASCII("User-Name", user, user_len);
+
+ os_memset(&tmp, 0, sizeof(tmp));
+ res = data->get_eap_user(data->conf_ctx, user, user_len, 0, &tmp);
+ bin_clear_free(tmp.password, tmp.password_len);
+
+ if (res != 0) {
+ RADIUS_DEBUG("User-Name not found from user database");
+ return NULL;
+ }
+
+ RADIUS_DEBUG("Matching user entry found");
+ sess = radius_server_new_session(data, client);
+ if (sess == NULL) {
+ RADIUS_DEBUG("Failed to create a new session");
+ return NULL;
+ }
+ sess->accept_attr = tmp.accept_attr;
+ sess->macacl = tmp.macacl;
+
+ sess->username = os_malloc(user_len * 4 + 1);
+ if (sess->username == NULL) {
+ radius_server_session_free(data, sess);
+ return NULL;
+ }
+ printf_encode(sess->username, user_len * 4 + 1, user, user_len);
+
+ sess->nas_ip = os_strdup(from_addr);
+ if (sess->nas_ip == NULL) {
+ radius_server_session_free(data, sess);
+ return NULL;
+ }
+
+ srv_log(sess, "New session created");
+
+ os_memset(&eap_conf, 0, sizeof(eap_conf));
+ eap_conf.ssl_ctx = data->ssl_ctx;
+ eap_conf.msg_ctx = data->msg_ctx;
+ eap_conf.eap_sim_db_priv = data->eap_sim_db_priv;
+ eap_conf.backend_auth = TRUE;
+ eap_conf.eap_server = 1;
+ eap_conf.pac_opaque_encr_key = data->pac_opaque_encr_key;
+ eap_conf.eap_fast_a_id = data->eap_fast_a_id;
+ eap_conf.eap_fast_a_id_len = data->eap_fast_a_id_len;
+ eap_conf.eap_fast_a_id_info = data->eap_fast_a_id_info;
+ eap_conf.eap_fast_prov = data->eap_fast_prov;
+ eap_conf.pac_key_lifetime = data->pac_key_lifetime;
+ eap_conf.pac_key_refresh_time = data->pac_key_refresh_time;
+ eap_conf.eap_sim_aka_result_ind = data->eap_sim_aka_result_ind;
+ eap_conf.tnc = data->tnc;
+ eap_conf.wps = data->wps;
+ eap_conf.pwd_group = data->pwd_group;
+ eap_conf.server_id = (const u8 *) data->server_id;
+ eap_conf.server_id_len = os_strlen(data->server_id);
+ eap_conf.erp = data->erp;
+ eap_conf.tls_session_lifetime = data->tls_session_lifetime;
+ radius_server_testing_options(sess, &eap_conf);
+ sess->eap = eap_server_sm_init(sess, &radius_server_eapol_cb,
+ &eap_conf);
+ if (sess->eap == NULL) {
+ RADIUS_DEBUG("Failed to initialize EAP state machine for the "
+ "new session");
+ radius_server_session_free(data, sess);
+ return NULL;
+ }
+ sess->eap_if = eap_get_interface(sess->eap);
+ sess->eap_if->eapRestart = TRUE;
+ sess->eap_if->portEnabled = TRUE;
+
+ RADIUS_DEBUG("New session 0x%x initialized", sess->sess_id);
+
+ return sess;
+}
+
+
+static struct radius_msg *
+radius_server_encapsulate_eap(struct radius_server_data *data,
+ struct radius_client *client,
+ struct radius_session *sess,
+ struct radius_msg *request)
+{
+ struct radius_msg *msg;
+ int code;
+ unsigned int sess_id;
+ struct radius_hdr *hdr = radius_msg_get_hdr(request);
+
+ if (sess->eap_if->eapFail) {
+ sess->eap_if->eapFail = FALSE;
+ code = RADIUS_CODE_ACCESS_REJECT;
+ } else if (sess->eap_if->eapSuccess) {
+ sess->eap_if->eapSuccess = FALSE;
+ code = RADIUS_CODE_ACCESS_ACCEPT;
+ } else {
+ sess->eap_if->eapReq = FALSE;
+ code = RADIUS_CODE_ACCESS_CHALLENGE;
+ }
+
+ msg = radius_msg_new(code, hdr->identifier);
+ if (msg == NULL) {
+ RADIUS_DEBUG("Failed to allocate reply message");
+ return NULL;
+ }
+
+ sess_id = htonl(sess->sess_id);
+ if (code == RADIUS_CODE_ACCESS_CHALLENGE &&
+ !radius_msg_add_attr(msg, RADIUS_ATTR_STATE,
+ (u8 *) &sess_id, sizeof(sess_id))) {
+ RADIUS_DEBUG("Failed to add State attribute");
+ }
+
+ if (sess->eap_if->eapReqData &&
+ !radius_msg_add_eap(msg, wpabuf_head(sess->eap_if->eapReqData),
+ wpabuf_len(sess->eap_if->eapReqData))) {
+ RADIUS_DEBUG("Failed to add EAP-Message attribute");
+ }
+
+ if (code == RADIUS_CODE_ACCESS_ACCEPT && sess->eap_if->eapKeyData) {
+ int len;
+#ifdef CONFIG_RADIUS_TEST
+ if (data->dump_msk_file) {
+ FILE *f;
+ char buf[2 * 64 + 1];
+ f = fopen(data->dump_msk_file, "a");
+ if (f) {
+ len = sess->eap_if->eapKeyDataLen;
+ if (len > 64)
+ len = 64;
+ len = wpa_snprintf_hex(
+ buf, sizeof(buf),
+ sess->eap_if->eapKeyData, len);
+ buf[len] = '\0';
+ fprintf(f, "%s\n", buf);
+ fclose(f);
+ }
+ }
+#endif /* CONFIG_RADIUS_TEST */
+ if (sess->eap_if->eapKeyDataLen > 64) {
+ len = 32;
+ } else {
+ len = sess->eap_if->eapKeyDataLen / 2;
+ }
+ if (!radius_msg_add_mppe_keys(msg, hdr->authenticator,
+ (u8 *) client->shared_secret,
+ client->shared_secret_len,
+ sess->eap_if->eapKeyData + len,
+ len, sess->eap_if->eapKeyData,
+ len)) {
+ RADIUS_DEBUG("Failed to add MPPE key attributes");
+ }
+ }
+
+#ifdef CONFIG_HS20
+ if (code == RADIUS_CODE_ACCESS_ACCEPT && sess->remediation &&
+ data->subscr_remediation_url) {
+ u8 *buf;
+ size_t url_len = os_strlen(data->subscr_remediation_url);
+ buf = os_malloc(1 + url_len);
+ if (buf == NULL) {
+ radius_msg_free(msg);
+ return NULL;
+ }
+ buf[0] = data->subscr_remediation_method;
+ os_memcpy(&buf[1], data->subscr_remediation_url, url_len);
+ if (!radius_msg_add_wfa(
+ msg, RADIUS_VENDOR_ATTR_WFA_HS20_SUBSCR_REMEDIATION,
+ buf, 1 + url_len)) {
+ RADIUS_DEBUG("Failed to add WFA-HS20-SubscrRem");
+ }
+ os_free(buf);
+ } else if (code == RADIUS_CODE_ACCESS_ACCEPT && sess->remediation) {
+ u8 buf[1];
+ if (!radius_msg_add_wfa(
+ msg, RADIUS_VENDOR_ATTR_WFA_HS20_SUBSCR_REMEDIATION,
+ buf, 0)) {
+ RADIUS_DEBUG("Failed to add WFA-HS20-SubscrRem");
+ }
+ }
+#endif /* CONFIG_HS20 */
+
+ if (radius_msg_copy_attr(msg, request, RADIUS_ATTR_PROXY_STATE) < 0) {
+ RADIUS_DEBUG("Failed to copy Proxy-State attribute(s)");
+ radius_msg_free(msg);
+ return NULL;
+ }
+
+ if (code == RADIUS_CODE_ACCESS_ACCEPT) {
+ struct hostapd_radius_attr *attr;
+ for (attr = sess->accept_attr; attr; attr = attr->next) {
+ if (!radius_msg_add_attr(msg, attr->type,
+ wpabuf_head(attr->val),
+ wpabuf_len(attr->val))) {
+ wpa_printf(MSG_ERROR, "Could not add RADIUS attribute");
+ radius_msg_free(msg);
+ return NULL;
+ }
+ }
+ }
+
+ if (radius_msg_finish_srv(msg, (u8 *) client->shared_secret,
+ client->shared_secret_len,
+ hdr->authenticator) < 0) {
+ RADIUS_DEBUG("Failed to add Message-Authenticator attribute");
+ }
+
+ return msg;
+}
+
+
+static struct radius_msg *
+radius_server_macacl(struct radius_server_data *data,
+ struct radius_client *client,
+ struct radius_session *sess,
+ struct radius_msg *request)
+{
+ struct radius_msg *msg;
+ int code;
+ struct radius_hdr *hdr = radius_msg_get_hdr(request);
+ u8 *pw;
+ size_t pw_len;
+
+ code = RADIUS_CODE_ACCESS_ACCEPT;
+
+ if (radius_msg_get_attr_ptr(request, RADIUS_ATTR_USER_PASSWORD, &pw,
+ &pw_len, NULL) < 0) {
+ RADIUS_DEBUG("Could not get User-Password");
+ code = RADIUS_CODE_ACCESS_REJECT;
+ } else {
+ int res;
+ struct eap_user tmp;
+
+ os_memset(&tmp, 0, sizeof(tmp));
+ res = data->get_eap_user(data->conf_ctx, (u8 *) sess->username,
+ os_strlen(sess->username), 0, &tmp);
+ if (res || !tmp.macacl || tmp.password == NULL) {
+ RADIUS_DEBUG("No MAC ACL user entry");
+ bin_clear_free(tmp.password, tmp.password_len);
+ code = RADIUS_CODE_ACCESS_REJECT;
+ } else {
+ u8 buf[128];
+ res = radius_user_password_hide(
+ request, tmp.password, tmp.password_len,
+ (u8 *) client->shared_secret,
+ client->shared_secret_len,
+ buf, sizeof(buf));
+ bin_clear_free(tmp.password, tmp.password_len);
+
+ if (res < 0 || pw_len != (size_t) res ||
+ os_memcmp_const(pw, buf, res) != 0) {
+ RADIUS_DEBUG("Incorrect User-Password");
+ code = RADIUS_CODE_ACCESS_REJECT;
+ }
+ }
+ }
+
+ msg = radius_msg_new(code, hdr->identifier);
+ if (msg == NULL) {
+ RADIUS_DEBUG("Failed to allocate reply message");
+ return NULL;
+ }
+
+ if (radius_msg_copy_attr(msg, request, RADIUS_ATTR_PROXY_STATE) < 0) {
+ RADIUS_DEBUG("Failed to copy Proxy-State attribute(s)");
+ radius_msg_free(msg);
+ return NULL;
+ }
+
+ if (code == RADIUS_CODE_ACCESS_ACCEPT) {
+ struct hostapd_radius_attr *attr;
+ for (attr = sess->accept_attr; attr; attr = attr->next) {
+ if (!radius_msg_add_attr(msg, attr->type,
+ wpabuf_head(attr->val),
+ wpabuf_len(attr->val))) {
+ wpa_printf(MSG_ERROR, "Could not add RADIUS attribute");
+ radius_msg_free(msg);
+ return NULL;
+ }
+ }
+ }
+
+ if (radius_msg_finish_srv(msg, (u8 *) client->shared_secret,
+ client->shared_secret_len,
+ hdr->authenticator) < 0) {
+ RADIUS_DEBUG("Failed to add Message-Authenticator attribute");
+ }
+
+ return msg;
+}
+
+
+static int radius_server_reject(struct radius_server_data *data,
+ struct radius_client *client,
+ struct radius_msg *request,
+ struct sockaddr *from, socklen_t fromlen,
+ const char *from_addr, int from_port)
+{
+ struct radius_msg *msg;
+ int ret = 0;
+ struct eap_hdr eapfail;
+ struct wpabuf *buf;
+ struct radius_hdr *hdr = radius_msg_get_hdr(request);
+
+ RADIUS_DEBUG("Reject invalid request from %s:%d",
+ from_addr, from_port);
+
+ msg = radius_msg_new(RADIUS_CODE_ACCESS_REJECT, hdr->identifier);
+ if (msg == NULL) {
+ return -1;
+ }
+
+ os_memset(&eapfail, 0, sizeof(eapfail));
+ eapfail.code = EAP_CODE_FAILURE;
+ eapfail.identifier = 0;
+ eapfail.length = host_to_be16(sizeof(eapfail));
+
+ if (!radius_msg_add_eap(msg, (u8 *) &eapfail, sizeof(eapfail))) {
+ RADIUS_DEBUG("Failed to add EAP-Message attribute");
+ }
+
+ if (radius_msg_copy_attr(msg, request, RADIUS_ATTR_PROXY_STATE) < 0) {
+ RADIUS_DEBUG("Failed to copy Proxy-State attribute(s)");
+ radius_msg_free(msg);
+ return -1;
+ }
+
+ if (radius_msg_finish_srv(msg, (u8 *) client->shared_secret,
+ client->shared_secret_len,
+ hdr->authenticator) <
+ 0) {
+ RADIUS_DEBUG("Failed to add Message-Authenticator attribute");
+ }
+
+ if (wpa_debug_level <= MSG_MSGDUMP) {
+ radius_msg_dump(msg);
+ }
+
+ data->counters.access_rejects++;
+ client->counters.access_rejects++;
+ buf = radius_msg_get_buf(msg);
+ if (sendto(data->auth_sock, wpabuf_head(buf), wpabuf_len(buf), 0,
+ (struct sockaddr *) from, sizeof(*from)) < 0) {
+ wpa_printf(MSG_INFO, "sendto[RADIUS SRV]: %s", strerror(errno));
+ ret = -1;
+ }
+
+ radius_msg_free(msg);
+
+ return ret;
+}
+
+
+static int radius_server_request(struct radius_server_data *data,
+ struct radius_msg *msg,
+ struct sockaddr *from, socklen_t fromlen,
+ struct radius_client *client,
+ const char *from_addr, int from_port,
+ struct radius_session *force_sess)
+{
+ struct wpabuf *eap = NULL;
+ int res, state_included = 0;
+ u8 statebuf[4];
+ unsigned int state;
+ struct radius_session *sess;
+ struct radius_msg *reply;
+ int is_complete = 0;
+
+ if (force_sess)
+ sess = force_sess;
+ else {
+ res = radius_msg_get_attr(msg, RADIUS_ATTR_STATE, statebuf,
+ sizeof(statebuf));
+ state_included = res >= 0;
+ if (res == sizeof(statebuf)) {
+ state = WPA_GET_BE32(statebuf);
+ sess = radius_server_get_session(client, state);
+ } else {
+ sess = NULL;
+ }
+ }
+
+ if (sess) {
+ RADIUS_DEBUG("Request for session 0x%x", sess->sess_id);
+ } else if (state_included) {
+ RADIUS_DEBUG("State attribute included but no session found");
+ radius_server_reject(data, client, msg, from, fromlen,
+ from_addr, from_port);
+ return -1;
+ } else {
+ sess = radius_server_get_new_session(data, client, msg,
+ from_addr);
+ if (sess == NULL) {
+ RADIUS_DEBUG("Could not create a new session");
+ radius_server_reject(data, client, msg, from, fromlen,
+ from_addr, from_port);
+ return -1;
+ }
+ }
+
+ if (sess->last_from_port == from_port &&
+ sess->last_identifier == radius_msg_get_hdr(msg)->identifier &&
+ os_memcmp(sess->last_authenticator,
+ radius_msg_get_hdr(msg)->authenticator, 16) == 0) {
+ RADIUS_DEBUG("Duplicate message from %s", from_addr);
+ data->counters.dup_access_requests++;
+ client->counters.dup_access_requests++;
+
+ if (sess->last_reply) {
+ struct wpabuf *buf;
+ buf = radius_msg_get_buf(sess->last_reply);
+ res = sendto(data->auth_sock, wpabuf_head(buf),
+ wpabuf_len(buf), 0,
+ (struct sockaddr *) from, fromlen);
+ if (res < 0) {
+ wpa_printf(MSG_INFO, "sendto[RADIUS SRV]: %s",
+ strerror(errno));
+ }
+ return 0;
+ }
+
+ RADIUS_DEBUG("No previous reply available for duplicate "
+ "message");
+ return -1;
+ }
+
+ eap = radius_msg_get_eap(msg);
+ if (eap == NULL && sess->macacl) {
+ reply = radius_server_macacl(data, client, sess, msg);
+ if (reply == NULL)
+ return -1;
+ goto send_reply;
+ }
+ if (eap == NULL) {
+ RADIUS_DEBUG("No EAP-Message in RADIUS packet from %s",
+ from_addr);
+ data->counters.packets_dropped++;
+ client->counters.packets_dropped++;
+ return -1;
+ }
+
+ RADIUS_DUMP("Received EAP data", wpabuf_head(eap), wpabuf_len(eap));
+
+ /* FIX: if Code is Request, Success, or Failure, send Access-Reject;
+ * RFC3579 Sect. 2.6.2.
+ * Include EAP-Response/Nak with no preferred method if
+ * code == request.
+ * If code is not 1-4, discard the packet silently.
+ * Or is this already done by the EAP state machine? */
+
+ wpabuf_free(sess->eap_if->eapRespData);
+ sess->eap_if->eapRespData = eap;
+ sess->eap_if->eapResp = TRUE;
+ eap_server_sm_step(sess->eap);
+
+ if ((sess->eap_if->eapReq || sess->eap_if->eapSuccess ||
+ sess->eap_if->eapFail) && sess->eap_if->eapReqData) {
+ RADIUS_DUMP("EAP data from the state machine",
+ wpabuf_head(sess->eap_if->eapReqData),
+ wpabuf_len(sess->eap_if->eapReqData));
+ } else if (sess->eap_if->eapFail) {
+ RADIUS_DEBUG("No EAP data from the state machine, but eapFail "
+ "set");
+ } else if (eap_sm_method_pending(sess->eap)) {
+ radius_msg_free(sess->last_msg);
+ sess->last_msg = msg;
+ sess->last_from_port = from_port;
+ os_free(sess->last_from_addr);
+ sess->last_from_addr = os_strdup(from_addr);
+ sess->last_fromlen = fromlen;
+ os_memcpy(&sess->last_from, from, fromlen);
+ return -2;
+ } else {
+ RADIUS_DEBUG("No EAP data from the state machine - ignore this"
+ " Access-Request silently (assuming it was a "
+ "duplicate)");
+ data->counters.packets_dropped++;
+ client->counters.packets_dropped++;
+ return -1;
+ }
+
+ if (sess->eap_if->eapSuccess || sess->eap_if->eapFail)
+ is_complete = 1;
+ if (sess->eap_if->eapFail)
+ srv_log(sess, "EAP authentication failed");
+ else if (sess->eap_if->eapSuccess)
+ srv_log(sess, "EAP authentication succeeded");
+
+ reply = radius_server_encapsulate_eap(data, client, sess, msg);
+
+send_reply:
+ if (reply) {
+ struct wpabuf *buf;
+ struct radius_hdr *hdr;
+
+ RADIUS_DEBUG("Reply to %s:%d", from_addr, from_port);
+ if (wpa_debug_level <= MSG_MSGDUMP) {
+ radius_msg_dump(reply);
+ }
+
+ switch (radius_msg_get_hdr(reply)->code) {
+ case RADIUS_CODE_ACCESS_ACCEPT:
+ srv_log(sess, "Sending Access-Accept");
+ data->counters.access_accepts++;
+ client->counters.access_accepts++;
+ break;
+ case RADIUS_CODE_ACCESS_REJECT:
+ srv_log(sess, "Sending Access-Reject");
+ data->counters.access_rejects++;
+ client->counters.access_rejects++;
+ break;
+ case RADIUS_CODE_ACCESS_CHALLENGE:
+ data->counters.access_challenges++;
+ client->counters.access_challenges++;
+ break;
+ }
+ buf = radius_msg_get_buf(reply);
+ res = sendto(data->auth_sock, wpabuf_head(buf),
+ wpabuf_len(buf), 0,
+ (struct sockaddr *) from, fromlen);
+ if (res < 0) {
+ wpa_printf(MSG_INFO, "sendto[RADIUS SRV]: %s",
+ strerror(errno));
+ }
+ radius_msg_free(sess->last_reply);
+ sess->last_reply = reply;
+ sess->last_from_port = from_port;
+ hdr = radius_msg_get_hdr(msg);
+ sess->last_identifier = hdr->identifier;
+ os_memcpy(sess->last_authenticator, hdr->authenticator, 16);
+ } else {
+ data->counters.packets_dropped++;
+ client->counters.packets_dropped++;
+ }
+
+ if (is_complete) {
+ RADIUS_DEBUG("Removing completed session 0x%x after timeout",
+ sess->sess_id);
+ eloop_cancel_timeout(radius_server_session_remove_timeout,
+ data, sess);
+ eloop_register_timeout(10, 0,
+ radius_server_session_remove_timeout,
+ data, sess);
+ }
+
+ return 0;
+}
+
+
+static void radius_server_receive_auth(int sock, void *eloop_ctx,
+ void *sock_ctx)
+{
+ struct radius_server_data *data = eloop_ctx;
+ u8 *buf = NULL;
+ union {
+ struct sockaddr_storage ss;
+ struct sockaddr_in sin;
+#ifdef CONFIG_IPV6
+ struct sockaddr_in6 sin6;
+#endif /* CONFIG_IPV6 */
+ } from;
+ socklen_t fromlen;
+ int len;
+ struct radius_client *client = NULL;
+ struct radius_msg *msg = NULL;
+ char abuf[50];
+ int from_port = 0;
+
+ buf = os_malloc(RADIUS_MAX_MSG_LEN);
+ if (buf == NULL) {
+ goto fail;
+ }
+
+ fromlen = sizeof(from);
+ len = recvfrom(sock, buf, RADIUS_MAX_MSG_LEN, 0,
+ (struct sockaddr *) &from.ss, &fromlen);
+ if (len < 0) {
+ wpa_printf(MSG_INFO, "recvfrom[radius_server]: %s",
+ strerror(errno));
+ goto fail;
+ }
+
+#ifdef CONFIG_IPV6
+ if (data->ipv6) {
+ if (inet_ntop(AF_INET6, &from.sin6.sin6_addr, abuf,
+ sizeof(abuf)) == NULL)
+ abuf[0] = '\0';
+ from_port = ntohs(from.sin6.sin6_port);
+ RADIUS_DEBUG("Received %d bytes from %s:%d",
+ len, abuf, from_port);
+
+ client = radius_server_get_client(data,
+ (struct in_addr *)
+ &from.sin6.sin6_addr, 1);
+ }
+#endif /* CONFIG_IPV6 */
+
+ if (!data->ipv6) {
+ os_strlcpy(abuf, inet_ntoa(from.sin.sin_addr), sizeof(abuf));
+ from_port = ntohs(from.sin.sin_port);
+ RADIUS_DEBUG("Received %d bytes from %s:%d",
+ len, abuf, from_port);
+
+ client = radius_server_get_client(data, &from.sin.sin_addr, 0);
+ }
+
+ RADIUS_DUMP("Received data", buf, len);
+
+ if (client == NULL) {
+ RADIUS_DEBUG("Unknown client %s - packet ignored", abuf);
+ data->counters.invalid_requests++;
+ goto fail;
+ }
+
+ msg = radius_msg_parse(buf, len);
+ if (msg == NULL) {
+ RADIUS_DEBUG("Parsing incoming RADIUS frame failed");
+ data->counters.malformed_access_requests++;
+ client->counters.malformed_access_requests++;
+ goto fail;
+ }
+
+ os_free(buf);
+ buf = NULL;
+
+ if (wpa_debug_level <= MSG_MSGDUMP) {
+ radius_msg_dump(msg);
+ }
+
+ if (radius_msg_get_hdr(msg)->code != RADIUS_CODE_ACCESS_REQUEST) {
+ RADIUS_DEBUG("Unexpected RADIUS code %d",
+ radius_msg_get_hdr(msg)->code);
+ data->counters.unknown_types++;
+ client->counters.unknown_types++;
+ goto fail;
+ }
+
+ data->counters.access_requests++;
+ client->counters.access_requests++;
+
+ if (radius_msg_verify_msg_auth(msg, (u8 *) client->shared_secret,
+ client->shared_secret_len, NULL)) {
+ RADIUS_DEBUG("Invalid Message-Authenticator from %s", abuf);
+ data->counters.bad_authenticators++;
+ client->counters.bad_authenticators++;
+ goto fail;
+ }
+
+ if (radius_server_request(data, msg, (struct sockaddr *) &from,
+ fromlen, client, abuf, from_port, NULL) ==
+ -2)
+ return; /* msg was stored with the session */
+
+fail:
+ radius_msg_free(msg);
+ os_free(buf);
+}
+
+
+static void radius_server_receive_acct(int sock, void *eloop_ctx,
+ void *sock_ctx)
+{
+ struct radius_server_data *data = eloop_ctx;
+ u8 *buf = NULL;
+ union {
+ struct sockaddr_storage ss;
+ struct sockaddr_in sin;
+#ifdef CONFIG_IPV6
+ struct sockaddr_in6 sin6;
+#endif /* CONFIG_IPV6 */
+ } from;
+ socklen_t fromlen;
+ int len, res;
+ struct radius_client *client = NULL;
+ struct radius_msg *msg = NULL, *resp = NULL;
+ char abuf[50];
+ int from_port = 0;
+ struct radius_hdr *hdr;
+ struct wpabuf *rbuf;
+
+ buf = os_malloc(RADIUS_MAX_MSG_LEN);
+ if (buf == NULL) {
+ goto fail;
+ }
+
+ fromlen = sizeof(from);
+ len = recvfrom(sock, buf, RADIUS_MAX_MSG_LEN, 0,
+ (struct sockaddr *) &from.ss, &fromlen);
+ if (len < 0) {
+ wpa_printf(MSG_INFO, "recvfrom[radius_server]: %s",
+ strerror(errno));
+ goto fail;
+ }
+
+#ifdef CONFIG_IPV6
+ if (data->ipv6) {
+ if (inet_ntop(AF_INET6, &from.sin6.sin6_addr, abuf,
+ sizeof(abuf)) == NULL)
+ abuf[0] = '\0';
+ from_port = ntohs(from.sin6.sin6_port);
+ RADIUS_DEBUG("Received %d bytes from %s:%d",
+ len, abuf, from_port);
+
+ client = radius_server_get_client(data,
+ (struct in_addr *)
+ &from.sin6.sin6_addr, 1);
+ }
+#endif /* CONFIG_IPV6 */
+
+ if (!data->ipv6) {
+ os_strlcpy(abuf, inet_ntoa(from.sin.sin_addr), sizeof(abuf));
+ from_port = ntohs(from.sin.sin_port);
+ RADIUS_DEBUG("Received %d bytes from %s:%d",
+ len, abuf, from_port);
+
+ client = radius_server_get_client(data, &from.sin.sin_addr, 0);
+ }
+
+ RADIUS_DUMP("Received data", buf, len);
+
+ if (client == NULL) {
+ RADIUS_DEBUG("Unknown client %s - packet ignored", abuf);
+ data->counters.invalid_acct_requests++;
+ goto fail;
+ }
+
+ msg = radius_msg_parse(buf, len);
+ if (msg == NULL) {
+ RADIUS_DEBUG("Parsing incoming RADIUS frame failed");
+ data->counters.malformed_acct_requests++;
+ client->counters.malformed_acct_requests++;
+ goto fail;
+ }
+
+ os_free(buf);
+ buf = NULL;
+
+ if (wpa_debug_level <= MSG_MSGDUMP) {
+ radius_msg_dump(msg);
+ }
+
+ if (radius_msg_get_hdr(msg)->code != RADIUS_CODE_ACCOUNTING_REQUEST) {
+ RADIUS_DEBUG("Unexpected RADIUS code %d",
+ radius_msg_get_hdr(msg)->code);
+ data->counters.unknown_acct_types++;
+ client->counters.unknown_acct_types++;
+ goto fail;
+ }
+
+ data->counters.acct_requests++;
+ client->counters.acct_requests++;
+
+ if (radius_msg_verify_acct_req(msg, (u8 *) client->shared_secret,
+ client->shared_secret_len)) {
+ RADIUS_DEBUG("Invalid Authenticator from %s", abuf);
+ data->counters.acct_bad_authenticators++;
+ client->counters.acct_bad_authenticators++;
+ goto fail;
+ }
+
+ /* TODO: Write accounting information to a file or database */
+
+ hdr = radius_msg_get_hdr(msg);
+
+ resp = radius_msg_new(RADIUS_CODE_ACCOUNTING_RESPONSE, hdr->identifier);
+ if (resp == NULL)
+ goto fail;
+
+ radius_msg_finish_acct_resp(resp, (u8 *) client->shared_secret,
+ client->shared_secret_len,
+ hdr->authenticator);
+
+ RADIUS_DEBUG("Reply to %s:%d", abuf, from_port);
+ if (wpa_debug_level <= MSG_MSGDUMP) {
+ radius_msg_dump(resp);
+ }
+ rbuf = radius_msg_get_buf(resp);
+ data->counters.acct_responses++;
+ client->counters.acct_responses++;
+ res = sendto(data->acct_sock, wpabuf_head(rbuf), wpabuf_len(rbuf), 0,
+ (struct sockaddr *) &from.ss, fromlen);
+ if (res < 0) {
+ wpa_printf(MSG_INFO, "sendto[RADIUS SRV]: %s",
+ strerror(errno));
+ }
+
+fail:
+ radius_msg_free(resp);
+ radius_msg_free(msg);
+ os_free(buf);
+}
+
+
+static int radius_server_disable_pmtu_discovery(int s)
+{
+ int r = -1;
+#if defined(IP_MTU_DISCOVER) && defined(IP_PMTUDISC_DONT)
+ /* Turn off Path MTU discovery on IPv4/UDP sockets. */
+ int action = IP_PMTUDISC_DONT;
+ r = setsockopt(s, IPPROTO_IP, IP_MTU_DISCOVER, &action,
+ sizeof(action));
+ if (r == -1)
+ wpa_printf(MSG_ERROR, "Failed to set IP_MTU_DISCOVER: "
+ "%s", strerror(errno));
+#endif
+ return r;
+}
+
+
+static int radius_server_open_socket(int port)
+{
+ int s;
+ struct sockaddr_in addr;
+
+ s = socket(PF_INET, SOCK_DGRAM, 0);
+ if (s < 0) {
+ wpa_printf(MSG_INFO, "RADIUS: socket: %s", strerror(errno));
+ return -1;
+ }
+
+ radius_server_disable_pmtu_discovery(s);
+
+ os_memset(&addr, 0, sizeof(addr));
+ addr.sin_family = AF_INET;
+ addr.sin_port = htons(port);
+ if (bind(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
+ wpa_printf(MSG_INFO, "RADIUS: bind: %s", strerror(errno));
+ close(s);
+ return -1;
+ }
+
+ return s;
+}
+
+
+#ifdef CONFIG_IPV6
+static int radius_server_open_socket6(int port)
+{
+ int s;
+ struct sockaddr_in6 addr;
+
+ s = socket(PF_INET6, SOCK_DGRAM, 0);
+ if (s < 0) {
+ wpa_printf(MSG_INFO, "RADIUS: socket[IPv6]: %s",
+ strerror(errno));
+ return -1;
+ }
+
+ os_memset(&addr, 0, sizeof(addr));
+ addr.sin6_family = AF_INET6;
+ os_memcpy(&addr.sin6_addr, &in6addr_any, sizeof(in6addr_any));
+ addr.sin6_port = htons(port);
+ if (bind(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
+ wpa_printf(MSG_INFO, "RADIUS: bind: %s", strerror(errno));
+ close(s);
+ return -1;
+ }
+
+ return s;
+}
+#endif /* CONFIG_IPV6 */
+
+
+static void radius_server_free_sessions(struct radius_server_data *data,
+ struct radius_session *sessions)
+{
+ struct radius_session *session, *prev;
+
+ session = sessions;
+ while (session) {
+ prev = session;
+ session = session->next;
+ radius_server_session_free(data, prev);
+ }
+}
+
+
+static void radius_server_free_clients(struct radius_server_data *data,
+ struct radius_client *clients)
+{
+ struct radius_client *client, *prev;
+
+ client = clients;
+ while (client) {
+ prev = client;
+ client = client->next;
+
+ radius_server_free_sessions(data, prev->sessions);
+ os_free(prev->shared_secret);
+ os_free(prev);
+ }
+}
+
+
+static struct radius_client *
+radius_server_read_clients(const char *client_file, int ipv6)
+{
+ FILE *f;
+ const int buf_size = 1024;
+ char *buf, *pos;
+ struct radius_client *clients, *tail, *entry;
+ int line = 0, mask, failed = 0, i;
+ struct in_addr addr;
+#ifdef CONFIG_IPV6
+ struct in6_addr addr6;
+#endif /* CONFIG_IPV6 */
+ unsigned int val;
+
+ f = fopen(client_file, "r");
+ if (f == NULL) {
+ RADIUS_ERROR("Could not open client file '%s'", client_file);
+ return NULL;
+ }
+
+ buf = os_malloc(buf_size);
+ if (buf == NULL) {
+ fclose(f);
+ return NULL;
+ }
+
+ clients = tail = NULL;
+ while (fgets(buf, buf_size, f)) {
+ /* Configuration file format:
+ * 192.168.1.0/24 secret
+ * 192.168.1.2 secret
+ * fe80::211:22ff:fe33:4455/64 secretipv6
+ */
+ line++;
+ buf[buf_size - 1] = '\0';
+ pos = buf;
+ while (*pos != '\0' && *pos != '\n')
+ pos++;
+ if (*pos == '\n')
+ *pos = '\0';
+ if (*buf == '\0' || *buf == '#')
+ continue;
+
+ pos = buf;
+ while ((*pos >= '0' && *pos <= '9') || *pos == '.' ||
+ (*pos >= 'a' && *pos <= 'f') || *pos == ':' ||
+ (*pos >= 'A' && *pos <= 'F')) {
+ pos++;
+ }
+
+ if (*pos == '\0') {
+ failed = 1;
+ break;
+ }
+
+ if (*pos == '/') {
+ char *end;
+ *pos++ = '\0';
+ mask = strtol(pos, &end, 10);
+ if ((pos == end) ||
+ (mask < 0 || mask > (ipv6 ? 128 : 32))) {
+ failed = 1;
+ break;
+ }
+ pos = end;
+ } else {
+ mask = ipv6 ? 128 : 32;
+ *pos++ = '\0';
+ }
+
+ if (!ipv6 && inet_aton(buf, &addr) == 0) {
+ failed = 1;
+ break;
+ }
+#ifdef CONFIG_IPV6
+ if (ipv6 && inet_pton(AF_INET6, buf, &addr6) <= 0) {
+ if (inet_pton(AF_INET, buf, &addr) <= 0) {
+ failed = 1;
+ break;
+ }
+ /* Convert IPv4 address to IPv6 */
+ if (mask <= 32)
+ mask += (128 - 32);
+ os_memset(addr6.s6_addr, 0, 10);
+ addr6.s6_addr[10] = 0xff;
+ addr6.s6_addr[11] = 0xff;
+ os_memcpy(addr6.s6_addr + 12, (char *) &addr.s_addr,
+ 4);
+ }
+#endif /* CONFIG_IPV6 */
+
+ while (*pos == ' ' || *pos == '\t') {
+ pos++;
+ }
+
+ if (*pos == '\0') {
+ failed = 1;
+ break;
+ }
+
+ entry = os_zalloc(sizeof(*entry));
+ if (entry == NULL) {
+ failed = 1;
+ break;
+ }
+ entry->shared_secret = os_strdup(pos);
+ if (entry->shared_secret == NULL) {
+ failed = 1;
+ os_free(entry);
+ break;
+ }
+ entry->shared_secret_len = os_strlen(entry->shared_secret);
+ if (!ipv6) {
+ entry->addr.s_addr = addr.s_addr;
+ val = 0;
+ for (i = 0; i < mask; i++)
+ val |= 1 << (31 - i);
+ entry->mask.s_addr = htonl(val);
+ }
+#ifdef CONFIG_IPV6
+ if (ipv6) {
+ int offset = mask / 8;
+
+ os_memcpy(entry->addr6.s6_addr, addr6.s6_addr, 16);
+ os_memset(entry->mask6.s6_addr, 0xff, offset);
+ val = 0;
+ for (i = 0; i < (mask % 8); i++)
+ val |= 1 << (7 - i);
+ if (offset < 16)
+ entry->mask6.s6_addr[offset] = val;
+ }
+#endif /* CONFIG_IPV6 */
+
+ if (tail == NULL) {
+ clients = tail = entry;
+ } else {
+ tail->next = entry;
+ tail = entry;
+ }
+ }
+
+ if (failed) {
+ RADIUS_ERROR("Invalid line %d in '%s'", line, client_file);
+ radius_server_free_clients(NULL, clients);
+ clients = NULL;
+ }
+
+ os_free(buf);
+ fclose(f);
+
+ return clients;
+}
+
+
+/**
+ * radius_server_init - Initialize RADIUS server
+ * @conf: Configuration for the RADIUS server
+ * Returns: Pointer to private RADIUS server context or %NULL on failure
+ *
+ * This initializes a RADIUS server instance and returns a context pointer that
+ * will be used in other calls to the RADIUS server module. The server can be
+ * deinitialize by calling radius_server_deinit().
+ */
+struct radius_server_data *
+radius_server_init(struct radius_server_conf *conf)
+{
+ struct radius_server_data *data;
+
+#ifndef CONFIG_IPV6
+ if (conf->ipv6) {
+ wpa_printf(MSG_ERROR, "RADIUS server compiled without IPv6 support");
+ return NULL;
+ }
+#endif /* CONFIG_IPV6 */
+
+ data = os_zalloc(sizeof(*data));
+ if (data == NULL)
+ return NULL;
+
+ dl_list_init(&data->erp_keys);
+ os_get_reltime(&data->start_time);
+ data->conf_ctx = conf->conf_ctx;
+ data->eap_sim_db_priv = conf->eap_sim_db_priv;
+ data->ssl_ctx = conf->ssl_ctx;
+ data->msg_ctx = conf->msg_ctx;
+ data->ipv6 = conf->ipv6;
+ if (conf->pac_opaque_encr_key) {
+ data->pac_opaque_encr_key = os_malloc(16);
+ if (data->pac_opaque_encr_key) {
+ os_memcpy(data->pac_opaque_encr_key,
+ conf->pac_opaque_encr_key, 16);
+ }
+ }
+ if (conf->eap_fast_a_id) {
+ data->eap_fast_a_id = os_malloc(conf->eap_fast_a_id_len);
+ if (data->eap_fast_a_id) {
+ os_memcpy(data->eap_fast_a_id, conf->eap_fast_a_id,
+ conf->eap_fast_a_id_len);
+ data->eap_fast_a_id_len = conf->eap_fast_a_id_len;
+ }
+ }
+ if (conf->eap_fast_a_id_info)
+ data->eap_fast_a_id_info = os_strdup(conf->eap_fast_a_id_info);
+ data->eap_fast_prov = conf->eap_fast_prov;
+ data->pac_key_lifetime = conf->pac_key_lifetime;
+ data->pac_key_refresh_time = conf->pac_key_refresh_time;
+ data->get_eap_user = conf->get_eap_user;
+ data->eap_sim_aka_result_ind = conf->eap_sim_aka_result_ind;
+ data->tnc = conf->tnc;
+ data->wps = conf->wps;
+ data->pwd_group = conf->pwd_group;
+ data->server_id = conf->server_id;
+ if (conf->eap_req_id_text) {
+ data->eap_req_id_text = os_malloc(conf->eap_req_id_text_len);
+ if (data->eap_req_id_text) {
+ os_memcpy(data->eap_req_id_text, conf->eap_req_id_text,
+ conf->eap_req_id_text_len);
+ data->eap_req_id_text_len = conf->eap_req_id_text_len;
+ }
+ }
+ data->erp = conf->erp;
+ data->erp_domain = conf->erp_domain;
+ data->tls_session_lifetime = conf->tls_session_lifetime;
+
+ if (conf->subscr_remediation_url) {
+ data->subscr_remediation_url =
+ os_strdup(conf->subscr_remediation_url);
+ }
+ data->subscr_remediation_method = conf->subscr_remediation_method;
+
+#ifdef CONFIG_SQLITE
+ if (conf->sqlite_file) {
+ if (sqlite3_open(conf->sqlite_file, &data->db)) {
+ RADIUS_ERROR("Could not open SQLite file '%s'",
+ conf->sqlite_file);
+ radius_server_deinit(data);
+ return NULL;
+ }
+ }
+#endif /* CONFIG_SQLITE */
+
+#ifdef CONFIG_RADIUS_TEST
+ if (conf->dump_msk_file)
+ data->dump_msk_file = os_strdup(conf->dump_msk_file);
+#endif /* CONFIG_RADIUS_TEST */
+
+ data->clients = radius_server_read_clients(conf->client_file,
+ conf->ipv6);
+ if (data->clients == NULL) {
+ wpa_printf(MSG_ERROR, "No RADIUS clients configured");
+ radius_server_deinit(data);
+ return NULL;
+ }
+
+#ifdef CONFIG_IPV6
+ if (conf->ipv6)
+ data->auth_sock = radius_server_open_socket6(conf->auth_port);
+ else
+#endif /* CONFIG_IPV6 */
+ data->auth_sock = radius_server_open_socket(conf->auth_port);
+ if (data->auth_sock < 0) {
+ wpa_printf(MSG_ERROR, "Failed to open UDP socket for RADIUS authentication server");
+ radius_server_deinit(data);
+ return NULL;
+ }
+ if (eloop_register_read_sock(data->auth_sock,
+ radius_server_receive_auth,
+ data, NULL)) {
+ radius_server_deinit(data);
+ return NULL;
+ }
+
+ if (conf->acct_port) {
+#ifdef CONFIG_IPV6
+ if (conf->ipv6)
+ data->acct_sock = radius_server_open_socket6(
+ conf->acct_port);
+ else
+#endif /* CONFIG_IPV6 */
+ data->acct_sock = radius_server_open_socket(conf->acct_port);
+ if (data->acct_sock < 0) {
+ wpa_printf(MSG_ERROR, "Failed to open UDP socket for RADIUS accounting server");
+ radius_server_deinit(data);
+ return NULL;
+ }
+ if (eloop_register_read_sock(data->acct_sock,
+ radius_server_receive_acct,
+ data, NULL)) {
+ radius_server_deinit(data);
+ return NULL;
+ }
+ } else {
+ data->acct_sock = -1;
+ }
+
+ return data;
+}
+
+
+/**
+ * radius_server_erp_flush - Flush all ERP keys
+ * @data: RADIUS server context from radius_server_init()
+ */
+void radius_server_erp_flush(struct radius_server_data *data)
+{
+ struct eap_server_erp_key *erp;
+
+ if (data == NULL)
+ return;
+ while ((erp = dl_list_first(&data->erp_keys, struct eap_server_erp_key,
+ list)) != NULL) {
+ dl_list_del(&erp->list);
+ bin_clear_free(erp, sizeof(*erp));
+ }
+}
+
+
+/**
+ * radius_server_deinit - Deinitialize RADIUS server
+ * @data: RADIUS server context from radius_server_init()
+ */
+void radius_server_deinit(struct radius_server_data *data)
+{
+ if (data == NULL)
+ return;
+
+ if (data->auth_sock >= 0) {
+ eloop_unregister_read_sock(data->auth_sock);
+ close(data->auth_sock);
+ }
+
+ if (data->acct_sock >= 0) {
+ eloop_unregister_read_sock(data->acct_sock);
+ close(data->acct_sock);
+ }
+
+ radius_server_free_clients(data, data->clients);
+
+ os_free(data->pac_opaque_encr_key);
+ os_free(data->eap_fast_a_id);
+ os_free(data->eap_fast_a_id_info);
+ os_free(data->eap_req_id_text);
+#ifdef CONFIG_RADIUS_TEST
+ os_free(data->dump_msk_file);
+#endif /* CONFIG_RADIUS_TEST */
+ os_free(data->subscr_remediation_url);
+
+#ifdef CONFIG_SQLITE
+ if (data->db)
+ sqlite3_close(data->db);
+#endif /* CONFIG_SQLITE */
+
+ radius_server_erp_flush(data);
+
+ os_free(data);
+}
+
+
+/**
+ * radius_server_get_mib - Get RADIUS server MIB information
+ * @data: RADIUS server context from radius_server_init()
+ * @buf: Buffer for returning the MIB data in text format
+ * @buflen: buf length in octets
+ * Returns: Number of octets written into buf
+ */
+int radius_server_get_mib(struct radius_server_data *data, char *buf,
+ size_t buflen)
+{
+ int ret, uptime;
+ unsigned int idx;
+ char *end, *pos;
+ struct os_reltime now;
+ struct radius_client *cli;
+
+ /* RFC 2619 - RADIUS Authentication Server MIB */
+
+ if (data == NULL || buflen == 0)
+ return 0;
+
+ pos = buf;
+ end = buf + buflen;
+
+ os_get_reltime(&now);
+ uptime = (now.sec - data->start_time.sec) * 100 +
+ ((now.usec - data->start_time.usec) / 10000) % 100;
+ ret = os_snprintf(pos, end - pos,
+ "RADIUS-AUTH-SERVER-MIB\n"
+ "radiusAuthServIdent=hostapd\n"
+ "radiusAuthServUpTime=%d\n"
+ "radiusAuthServResetTime=0\n"
+ "radiusAuthServConfigReset=4\n",
+ uptime);
+ if (os_snprintf_error(end - pos, ret)) {
+ *pos = '\0';
+ return pos - buf;
+ }
+ pos += ret;
+
+ ret = os_snprintf(pos, end - pos,
+ "radiusAuthServTotalAccessRequests=%u\n"
+ "radiusAuthServTotalInvalidRequests=%u\n"
+ "radiusAuthServTotalDupAccessRequests=%u\n"
+ "radiusAuthServTotalAccessAccepts=%u\n"
+ "radiusAuthServTotalAccessRejects=%u\n"
+ "radiusAuthServTotalAccessChallenges=%u\n"
+ "radiusAuthServTotalMalformedAccessRequests=%u\n"
+ "radiusAuthServTotalBadAuthenticators=%u\n"
+ "radiusAuthServTotalPacketsDropped=%u\n"
+ "radiusAuthServTotalUnknownTypes=%u\n"
+ "radiusAccServTotalRequests=%u\n"
+ "radiusAccServTotalInvalidRequests=%u\n"
+ "radiusAccServTotalResponses=%u\n"
+ "radiusAccServTotalMalformedRequests=%u\n"
+ "radiusAccServTotalBadAuthenticators=%u\n"
+ "radiusAccServTotalUnknownTypes=%u\n",
+ data->counters.access_requests,
+ data->counters.invalid_requests,
+ data->counters.dup_access_requests,
+ data->counters.access_accepts,
+ data->counters.access_rejects,
+ data->counters.access_challenges,
+ data->counters.malformed_access_requests,
+ data->counters.bad_authenticators,
+ data->counters.packets_dropped,
+ data->counters.unknown_types,
+ data->counters.acct_requests,
+ data->counters.invalid_acct_requests,
+ data->counters.acct_responses,
+ data->counters.malformed_acct_requests,
+ data->counters.acct_bad_authenticators,
+ data->counters.unknown_acct_types);
+ if (os_snprintf_error(end - pos, ret)) {
+ *pos = '\0';
+ return pos - buf;
+ }
+ pos += ret;
+
+ for (cli = data->clients, idx = 0; cli; cli = cli->next, idx++) {
+ char abuf[50], mbuf[50];
+#ifdef CONFIG_IPV6
+ if (data->ipv6) {
+ if (inet_ntop(AF_INET6, &cli->addr6, abuf,
+ sizeof(abuf)) == NULL)
+ abuf[0] = '\0';
+ if (inet_ntop(AF_INET6, &cli->mask6, mbuf,
+ sizeof(mbuf)) == NULL)
+ mbuf[0] = '\0';
+ }
+#endif /* CONFIG_IPV6 */
+ if (!data->ipv6) {
+ os_strlcpy(abuf, inet_ntoa(cli->addr), sizeof(abuf));
+ os_strlcpy(mbuf, inet_ntoa(cli->mask), sizeof(mbuf));
+ }
+
+ ret = os_snprintf(pos, end - pos,
+ "radiusAuthClientIndex=%u\n"
+ "radiusAuthClientAddress=%s/%s\n"
+ "radiusAuthServAccessRequests=%u\n"
+ "radiusAuthServDupAccessRequests=%u\n"
+ "radiusAuthServAccessAccepts=%u\n"
+ "radiusAuthServAccessRejects=%u\n"
+ "radiusAuthServAccessChallenges=%u\n"
+ "radiusAuthServMalformedAccessRequests=%u\n"
+ "radiusAuthServBadAuthenticators=%u\n"
+ "radiusAuthServPacketsDropped=%u\n"
+ "radiusAuthServUnknownTypes=%u\n"
+ "radiusAccServTotalRequests=%u\n"
+ "radiusAccServTotalInvalidRequests=%u\n"
+ "radiusAccServTotalResponses=%u\n"
+ "radiusAccServTotalMalformedRequests=%u\n"
+ "radiusAccServTotalBadAuthenticators=%u\n"
+ "radiusAccServTotalUnknownTypes=%u\n",
+ idx,
+ abuf, mbuf,
+ cli->counters.access_requests,
+ cli->counters.dup_access_requests,
+ cli->counters.access_accepts,
+ cli->counters.access_rejects,
+ cli->counters.access_challenges,
+ cli->counters.malformed_access_requests,
+ cli->counters.bad_authenticators,
+ cli->counters.packets_dropped,
+ cli->counters.unknown_types,
+ cli->counters.acct_requests,
+ cli->counters.invalid_acct_requests,
+ cli->counters.acct_responses,
+ cli->counters.malformed_acct_requests,
+ cli->counters.acct_bad_authenticators,
+ cli->counters.unknown_acct_types);
+ if (os_snprintf_error(end - pos, ret)) {
+ *pos = '\0';
+ return pos - buf;
+ }
+ pos += ret;
+ }
+
+ return pos - buf;
+}
+
+
+static int radius_server_get_eap_user(void *ctx, const u8 *identity,
+ size_t identity_len, int phase2,
+ struct eap_user *user)
+{
+ struct radius_session *sess = ctx;
+ struct radius_server_data *data = sess->server;
+ int ret;
+
+ ret = data->get_eap_user(data->conf_ctx, identity, identity_len,
+ phase2, user);
+ if (ret == 0 && user) {
+ sess->accept_attr = user->accept_attr;
+ sess->remediation = user->remediation;
+ sess->macacl = user->macacl;
+ }
+
+ if (ret) {
+ RADIUS_DEBUG("%s: User-Name not found from user database",
+ __func__);
+ }
+
+ return ret;
+}
+
+
+static const char * radius_server_get_eap_req_id_text(void *ctx, size_t *len)
+{
+ struct radius_session *sess = ctx;
+ struct radius_server_data *data = sess->server;
+ *len = data->eap_req_id_text_len;
+ return data->eap_req_id_text;
+}
+
+
+static void radius_server_log_msg(void *ctx, const char *msg)
+{
+ struct radius_session *sess = ctx;
+ srv_log(sess, "EAP: %s", msg);
+}
+
+
+#ifdef CONFIG_ERP
+
+static const char * radius_server_get_erp_domain(void *ctx)
+{
+ struct radius_session *sess = ctx;
+ struct radius_server_data *data = sess->server;
+
+ return data->erp_domain;
+}
+
+
+static struct eap_server_erp_key *
+radius_server_erp_get_key(void *ctx, const char *keyname)
+{
+ struct radius_session *sess = ctx;
+ struct radius_server_data *data = sess->server;
+ struct eap_server_erp_key *erp;
+
+ dl_list_for_each(erp, &data->erp_keys, struct eap_server_erp_key,
+ list) {
+ if (os_strcmp(erp->keyname_nai, keyname) == 0)
+ return erp;
+ }
+
+ return NULL;
+}
+
+
+static int radius_server_erp_add_key(void *ctx, struct eap_server_erp_key *erp)
+{
+ struct radius_session *sess = ctx;
+ struct radius_server_data *data = sess->server;
+
+ dl_list_add(&data->erp_keys, &erp->list);
+ return 0;
+}
+
+#endif /* CONFIG_ERP */
+
+
+static const struct eapol_callbacks radius_server_eapol_cb =
+{
+ .get_eap_user = radius_server_get_eap_user,
+ .get_eap_req_id_text = radius_server_get_eap_req_id_text,
+ .log_msg = radius_server_log_msg,
+#ifdef CONFIG_ERP
+ .get_erp_send_reauth_start = NULL,
+ .get_erp_domain = radius_server_get_erp_domain,
+ .erp_get_key = radius_server_erp_get_key,
+ .erp_add_key = radius_server_erp_add_key,
+#endif /* CONFIG_ERP */
+};
+
+
+/**
+ * radius_server_eap_pending_cb - Pending EAP data notification
+ * @data: RADIUS server context from radius_server_init()
+ * @ctx: Pending EAP context pointer
+ *
+ * This function is used to notify EAP server module that a pending operation
+ * has been completed and processing of the EAP session can proceed.
+ */
+void radius_server_eap_pending_cb(struct radius_server_data *data, void *ctx)
+{
+ struct radius_client *cli;
+ struct radius_session *s, *sess = NULL;
+ struct radius_msg *msg;
+
+ if (data == NULL)
+ return;
+
+ for (cli = data->clients; cli; cli = cli->next) {
+ for (s = cli->sessions; s; s = s->next) {
+ if (s->eap == ctx && s->last_msg) {
+ sess = s;
+ break;
+ }
+ }
+ if (sess)
+ break;
+ }
+
+ if (sess == NULL) {
+ RADIUS_DEBUG("No session matched callback ctx");
+ return;
+ }
+
+ msg = sess->last_msg;
+ sess->last_msg = NULL;
+ eap_sm_pending_cb(sess->eap);
+ if (radius_server_request(data, msg,
+ (struct sockaddr *) &sess->last_from,
+ sess->last_fromlen, cli,
+ sess->last_from_addr,
+ sess->last_from_port, sess) == -2)
+ return; /* msg was stored with the session */
+
+ radius_msg_free(msg);
+}
projects / mech_eap.git / blobdiff