Upgrade to tpm-emulator version 0.7.

tddl/tddl_unix.h

+/* Software-based Trusted Platform Module (TPM) Emulator
+ * Copyright (C) 2004-2010 Mario Strasser <mast@gmx.net>
+ *
+ * This module is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published
+ * by the Free Software Foundation; either version 2 of the License,
+ * or (at your option) any later version.
+ *
+ * This module is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * $Id: tddl.c 364 2010-02-11 10:24:45Z mast $
+ */
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+#include <pthread.h>
+
+/* library lock */
+static pthread_mutex_t tddli_lock = PTHREAD_MUTEX_INITIALIZER;
+
+#define tddli_mutex_lock(a)   pthread_mutex_lock(a)
+#define tddli_mutex_unlock(a) pthread_mutex_unlock(a)
+
+static TSS_RESULT open_device(const char *device_name)
+{
+  tddli_dh = open(device_name, O_RDWR);
+  if (tddli_dh < 0) {
+    if (errno == ENOENT || errno == ENXIO) {
+      tddli_driver_status = TDDL_DRIVER_FAILED;
+      tddli_device_status = TDDL_DEVICE_NOT_FOUND;
+    } else {
+      tddli_driver_status = TDDL_DRIVER_NOT_OPENED;
+      tddli_device_status = TDDL_DEVICE_RECOVERABLE;
+    }
+    return TDDL_E_FAIL;
+  } else {
+    tddli_driver_status = TDDL_DRIVER_OK;
+    tddli_device_status = TDDL_DEVICE_OK;
+    return TDDL_SUCCESS;
+  }
+}
+
+static TSS_RESULT open_socket(const char *socket_name)
+{
+  struct sockaddr_un addr;
+  tddli_dh = socket(AF_UNIX, SOCK_STREAM, 0);
+  if (tddli_dh < 0) {
+    tddli_driver_status = TDDL_DRIVER_FAILED;
+    tddli_device_status = TDDL_DEVICE_NOT_FOUND;
+    return TDDL_E_FAIL;
+  }
+  addr.sun_family = AF_UNIX;
+  strncpy(addr.sun_path, socket_name, sizeof(addr.sun_path));
+  if (connect(tddli_dh, (struct sockaddr*)&addr, sizeof(struct sockaddr_un)) < 0) {
+    tddli_driver_status = TDDL_DRIVER_FAILED;
+    tddli_device_status = TDDL_DEVICE_NOT_FOUND;
+    return TDDL_E_FAIL;
+  }
+  tddli_driver_status = TDDL_DRIVER_OK;
+  tddli_device_status = TDDL_DEVICE_OK;
+  return TDDL_SUCCESS;
+}
+