From bd7492de28963b7e74e8e5d3f17ec9a5a287d9c3 Mon Sep 17 00:00:00 2001
From: Ethan Yonker <dees_troy@teamw.in>
Date: Wed, 7 Dec 2016 13:55:01 -0600
Subject: Support File Based Encryption

Change-Id: Ib688ddd0c32d3999590cacd86b6d9b18eac336e9
---
 crypto/ext4crypt/Utils.h | 65 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 crypto/ext4crypt/Utils.h

(limited to 'crypto/ext4crypt/Utils.h')

diff --git a/crypto/ext4crypt/Utils.h b/crypto/ext4crypt/Utils.h
new file mode 100644
index 000000000..8d0445d89
--- /dev/null
+++ b/crypto/ext4crypt/Utils.h
@@ -0,0 +1,65 @@
+/*
+ * 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.
+ */
+
+#ifndef TWRP_VOLD_UTILS_H
+#define TWRP_VOLD_UTILS_H
+
+#include <utils/Errors.h>
+#include <cutils/multiuser.h>
+#include <selinux/selinux.h>
+
+#include <vector>
+#include <string>
+
+namespace android {
+namespace vold {
+
+/* Returns either WEXITSTATUS() status, or a negative errno */
+status_t ForkExecvp(const std::vector<std::string>& args);
+status_t ForkExecvp(const std::vector<std::string>& args, security_context_t context);
+
+status_t ForkExecvp(const std::vector<std::string>& args,
+        std::vector<std::string>& output);
+status_t ForkExecvp(const std::vector<std::string>& args,
+        std::vector<std::string>& output, security_context_t context);
+
+pid_t ForkExecvpAsync(const std::vector<std::string>& args);
+
+status_t ReadRandomBytes(size_t bytes, std::string& out);
+
+/* Converts hex string to raw bytes, ignoring [ :-] */
+status_t HexToStr(const std::string& hex, std::string& str);
+
+std::string BuildKeyPath(const std::string& partGuid);
+
+std::string BuildDataSystemLegacyPath(userid_t userid);
+std::string BuildDataSystemCePath(userid_t userid);
+std::string BuildDataSystemDePath(userid_t userid);
+std::string BuildDataMiscLegacyPath(userid_t userid);
+std::string BuildDataMiscCePath(userid_t userid);
+std::string BuildDataMiscDePath(userid_t userid);
+std::string BuildDataProfilesDePath(userid_t userid);
+std::string BuildDataProfilesForeignDexDePath(userid_t userid);
+
+std::string BuildDataPath(const char* volumeUuid);
+std::string BuildDataMediaCePath(const char* volumeUuid, userid_t userid);
+std::string BuildDataUserCePath(const char* volumeUuid, userid_t userid);
+std::string BuildDataUserDePath(const char* volumeUuid, userid_t userid);
+
+}  // namespace vold
+}  // namespace android
+
+#endif
-- 
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