char *subscr_remediation_url;
u8 subscr_remediation_method;
+ char *hs20_sim_provisioning_url;
char *t_c_server_url;
static void radius_server_session_remove_timeout(void *eloop_ctx,
void *timeout_ctx);
+#ifdef CONFIG_SQLITE
+#ifdef CONFIG_HS20
+
+static int db_table_exists(sqlite3 *db, const char *name)
+{
+ char cmd[128];
+
+ os_snprintf(cmd, sizeof(cmd), "SELECT 1 FROM %s;", name);
+ return sqlite3_exec(db, cmd, NULL, NULL, NULL) == SQLITE_OK;
+}
+
+
+static int db_table_create_sim_provisioning(sqlite3 *db)
+{
+ char *err = NULL;
+ const char *sql =
+ "CREATE TABLE sim_provisioning("
+ " mobile_identifier_hash TEXT PRIMARY KEY,"
+ " imsi TEXT,"
+ " mac_addr TEXT,"
+ " eap_method TEXT,"
+ " timestamp TEXT"
+ ");";
+
+ RADIUS_DEBUG("Adding database table for SIM provisioning information");
+ if (sqlite3_exec(db, sql, NULL, NULL, &err) != SQLITE_OK) {
+ RADIUS_ERROR("SQLite error: %s", err);
+ sqlite3_free(err);
+ return -1;
+ }
+
+ return 0;
+}
+
+#endif /* CONFIG_HS20 */
+#endif /* CONFIG_SQLITE */
+
+
void srv_log(struct radius_session *sess, const char *fmt, ...)
PRINTF_FORMAT(2, 3);
}
+#ifdef CONFIG_HS20
+
+static int radius_server_is_sim_method(struct radius_session *sess)
+{
+ const char *name;
+
+ name = eap_get_method(sess->eap);
+ return name &&
+ (os_strcmp(name, "SIM") == 0 ||
+ os_strcmp(name, "AKA") == 0 ||
+ os_strcmp(name, "AKA'") == 0);
+}
+
+
+static int radius_server_hs20_missing_sim_pps(struct radius_msg *request)
+{
+ u8 *buf, *pos, *end, type, sublen;
+ size_t len;
+
+ buf = NULL;
+ for (;;) {
+ if (radius_msg_get_attr_ptr(request,
+ RADIUS_ATTR_VENDOR_SPECIFIC,
+ &buf, &len, buf) < 0)
+ return 0;
+ if (len < 6)
+ continue;
+ pos = buf;
+ end = buf + len;
+ if (WPA_GET_BE32(pos) != RADIUS_VENDOR_ID_WFA)
+ continue;
+ pos += 4;
+
+ type = *pos++;
+ sublen = *pos++;
+ if (sublen < 2)
+ continue; /* invalid length */
+ sublen -= 2; /* skip header */
+ if (pos + sublen > end)
+ continue; /* invalid WFA VSA */
+
+ if (type != RADIUS_VENDOR_ATTR_WFA_HS20_STA_VERSION)
+ continue;
+
+ RADIUS_DUMP("HS2.0 mobile device version", pos, sublen);
+ if (sublen < 1 + 2)
+ continue;
+ if (pos[0] == 0)
+ continue; /* Release 1 STA does not support provisioning
+
+ */
+ /* UpdateIdentifier 0 indicates no PPS MO */
+ return WPA_GET_BE16(pos + 1) == 0;
+ }
+}
+
+
+#define HS20_MOBILE_ID_HASH_LEN 16
+
+static int radius_server_sim_provisioning_session(struct radius_session *sess,
+ const u8 *hash)
+{
+#ifdef CONFIG_SQLITE
+ char *sql;
+ char addr_txt[ETH_ALEN * 3];
+ char hash_txt[2 * HS20_MOBILE_ID_HASH_LEN + 1];
+ struct os_time now;
+ int res;
+ const char *imsi, *eap_method;
+
+ if (!sess->server->db ||
+ (!db_table_exists(sess->server->db, "sim_provisioning") &&
+ db_table_create_sim_provisioning(sess->server->db) < 0))
+ return -1;
+
+ imsi = eap_get_imsi(sess->eap);
+ if (!imsi)
+ return -1;
+
+ eap_method = eap_get_method(sess->eap);
+ if (!eap_method)
+ return -1;
+
+ os_snprintf(addr_txt, sizeof(addr_txt), MACSTR,
+ MAC2STR(sess->mac_addr));
+ wpa_snprintf_hex(hash_txt, sizeof(hash_txt), hash,
+ HS20_MOBILE_ID_HASH_LEN);
+
+ os_get_time(&now);
+ sql = sqlite3_mprintf("INSERT INTO sim_provisioning(mobile_identifier_hash,imsi,mac_addr,eap_method,timestamp) VALUES (%Q,%Q,%Q,%Q,%u)",
+ hash_txt, imsi, addr_txt, eap_method, now.sec);
+ if (!sql)
+ return -1;
+
+ if (sqlite3_exec(sess->server->db, sql, NULL, NULL, NULL) !=
+ SQLITE_OK) {
+ RADIUS_ERROR("Failed to add SIM provisioning entry into sqlite database: %s",
+ sqlite3_errmsg(sess->server->db));
+ res = -1;
+ } else {
+ res = 0;
+ }
+ sqlite3_free(sql);
+ return res;
+#endif /* CONFIG_SQLITE */
+ return -1;
+}
+
+#endif /* CONFIG_HS20 */
+
+
static struct radius_msg *
radius_server_encapsulate_eap(struct radius_server_data *data,
struct radius_client *client,
buf, 0)) {
RADIUS_DEBUG("Failed to add WFA-HS20-SubscrRem");
}
+ } else if (code == RADIUS_CODE_ACCESS_ACCEPT &&
+ data->hs20_sim_provisioning_url &&
+ radius_server_is_sim_method(sess) &&
+ radius_server_hs20_missing_sim_pps(request)) {
+ u8 *buf, *pos, hash[HS20_MOBILE_ID_HASH_LEN];
+ size_t prefix_len, url_len;
+
+ RADIUS_DEBUG("Device needs HS 2.0 SIM provisioning");
+
+ if (os_get_random(hash, HS20_MOBILE_ID_HASH_LEN) < 0) {
+ radius_msg_free(msg);
+ return NULL;
+ }
+ RADIUS_DUMP("hotspot2dot0-mobile-identifier-hash",
+ hash, HS20_MOBILE_ID_HASH_LEN);
+
+ if (radius_server_sim_provisioning_session(sess, hash) < 0) {
+ radius_msg_free(msg);
+ return NULL;
+ }
+
+ prefix_len = os_strlen(data->hs20_sim_provisioning_url);
+ url_len = prefix_len + 2 * HS20_MOBILE_ID_HASH_LEN;
+ buf = os_malloc(1 + url_len + 1);
+ if (!buf) {
+ radius_msg_free(msg);
+ return NULL;
+ }
+ pos = buf;
+ *pos++ = data->subscr_remediation_method;
+ os_memcpy(pos, data->hs20_sim_provisioning_url, prefix_len);
+ pos += prefix_len;
+ wpa_snprintf_hex((char *) pos, 2 * HS20_MOBILE_ID_HASH_LEN + 1,
+ hash, HS20_MOBILE_ID_HASH_LEN);
+ RADIUS_DEBUG("HS 2.0 subscription remediation URL: %s",
+ (char *) &buf[1]);
+ 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);
}
if (code == RADIUS_CODE_ACCESS_ACCEPT && sess->t_c_filtering) {
os_strdup(conf->subscr_remediation_url);
}
data->subscr_remediation_method = conf->subscr_remediation_method;
+ if (conf->hs20_sim_provisioning_url)
+ data->hs20_sim_provisioning_url =
+ os_strdup(conf->hs20_sim_provisioning_url);
if (conf->t_c_server_url)
data->t_c_server_url = os_strdup(conf->t_c_server_url);
os_free(data->dump_msk_file);
#endif /* CONFIG_RADIUS_TEST */
os_free(data->subscr_remediation_url);
+ os_free(data->hs20_sim_provisioning_url);
os_free(data->t_c_server_url);
#ifdef CONFIG_SQLITE
projects / thirdparty / hostap.git / commitdiff
