1 files changed, 96 insertions, 0 deletions
diff --git a/fs/Ntfs.cpp b/fs/Ntfs.cpp
new file mode 100644
index 0000000..9fc721e
--- /dev/null
+++ b/fs/Ntfs.cpp
@@ -0,0 +1,96 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "Ntfs.h"
+#include "Utils.h"
+
+#include <android-base/logging.h>
+#include <android-base/stringprintf.h>
+
+#include <vector>
+#include <string>
+
+#include <sys/mount.h>
+
+using android::base::StringPrintf;
+
+namespace android {
+namespace vold {
+namespace ntfs {
+
+static const char* kMkfsPath = "/system/bin/mkfs.ntfs";
+static const char* kFsckPath = "/system/bin/fsck.ntfs";
+static const char* kMountPath = "/system/bin/mount.ntfs";
+
+bool IsSupported() {
+    return access(kMkfsPath, X_OK) == 0
+            && access(kFsckPath, X_OK) == 0
+            && access(kMountPath, X_OK) == 0
+            && IsFilesystemSupported("ntfs");
+}
+
+status_t Check(const std::string& source) {
+    std::vector<std::string> cmd;
+    cmd.push_back(kFsckPath);
+    cmd.push_back("-n");
+    cmd.push_back(source);
+
+    return ForkExecvp(cmd, sFsckContext);
+}
+
+status_t Mount(const std::string& source, const std::string& target, bool ro,
+        bool remount, bool executable, int ownerUid, int ownerGid, int permMask,
+        bool createLost) {
+    char mountData[255];
+
+    const char* c_source = source.c_str();
+    const char* c_target = target.c_str();
+
+    sprintf(mountData,
+            "utf8,uid=%d,gid=%d,fmask=%o,dmask=%o,"
+            "shortname=mixed,nodev,nosuid,dirsync",
+            ownerUid, ownerGid, permMask, permMask);
+
+    if (!executable)
+        strcat(mountData, ",noexec");
+    if (ro)
+        strcat(mountData, ",ro");
+    if (remount)
+        strcat(mountData, ",remount");
+
+    std::vector<std::string> cmd;
+    cmd.push_back(kMountPath);
+    cmd.push_back("-o");
+    cmd.push_back(mountData);
+    cmd.push_back(c_source);
+    cmd.push_back(c_target);
+
+    return ForkExecvp(cmd);
+}
+
+status_t Format(const std::string& source, bool wipe) {
+    std::vector<std::string> cmd;
+    cmd.push_back(kMkfsPath);
+    if (wipe)
+        cmd.push_back("-f");
+    cmd.push_back(source);
+
+    return ForkExecvp(cmd);
+}
+
+}  // namespace ntfs
+}  // namespace vold
+}  // namespace android