Revert "move libandroidfw to frameworks/native"
This reverts commit 84b6292c33d71b5739828d08aa8101d1954577f2.
diff --git a/include/androidfw/ObbFile.h b/include/androidfw/ObbFile.h
new file mode 100644
index 0000000..47559cd
--- /dev/null
+++ b/include/androidfw/ObbFile.h
@@ -0,0 +1,145 @@
+/*
+ * Copyright (C) 2010 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 OBBFILE_H_
+#define OBBFILE_H_
+
+#include <stdint.h>
+#include <strings.h>
+
+#include <utils/RefBase.h>
+#include <utils/String8.h>
+
+namespace android {
+
+// OBB flags (bit 0)
+#define OBB_OVERLAY (1 << 0)
+#define OBB_SALTED (1 << 1)
+
+class ObbFile : public RefBase {
+protected:
+ virtual ~ObbFile();
+
+public:
+ ObbFile();
+
+ bool readFrom(const char* filename);
+ bool readFrom(int fd);
+ bool writeTo(const char* filename);
+ bool writeTo(int fd);
+ bool removeFrom(const char* filename);
+ bool removeFrom(int fd);
+
+ const char* getFileName() const {
+ return mFileName;
+ }
+
+ const String8 getPackageName() const {
+ return mPackageName;
+ }
+
+ void setPackageName(String8 packageName) {
+ mPackageName = packageName;
+ }
+
+ int32_t getVersion() const {
+ return mVersion;
+ }
+
+ void setVersion(int32_t version) {
+ mVersion = version;
+ }
+
+ int32_t getFlags() const {
+ return mFlags;
+ }
+
+ void setFlags(int32_t flags) {
+ mFlags = flags;
+ }
+
+ const unsigned char* getSalt(size_t* length) const {
+ if ((mFlags & OBB_SALTED) == 0) {
+ *length = 0;
+ return NULL;
+ }
+
+ *length = sizeof(mSalt);
+ return mSalt;
+ }
+
+ bool setSalt(const unsigned char* salt, size_t length) {
+ if (length != sizeof(mSalt)) {
+ return false;
+ }
+
+ memcpy(mSalt, salt, sizeof(mSalt));
+ mFlags |= OBB_SALTED;
+ return true;
+ }
+
+ bool isOverlay() {
+ return (mFlags & OBB_OVERLAY) == OBB_OVERLAY;
+ }
+
+ void setOverlay(bool overlay) {
+ if (overlay) {
+ mFlags |= OBB_OVERLAY;
+ } else {
+ mFlags &= ~OBB_OVERLAY;
+ }
+ }
+
+ static inline uint32_t get4LE(const unsigned char* buf) {
+ return buf[0] | (buf[1] << 8) | (buf[2] << 16) | (buf[3] << 24);
+ }
+
+ static inline void put4LE(unsigned char* buf, uint32_t val) {
+ buf[0] = val & 0xFF;
+ buf[1] = (val >> 8) & 0xFF;
+ buf[2] = (val >> 16) & 0xFF;
+ buf[3] = (val >> 24) & 0xFF;
+ }
+
+private:
+ /* Package name this ObbFile is associated with */
+ String8 mPackageName;
+
+ /* Package version this ObbFile is associated with */
+ int32_t mVersion;
+
+ /* Flags for this OBB type. */
+ int32_t mFlags;
+
+ /* Whether the file is salted. */
+ bool mSalted;
+
+ /* The encryption salt. */
+ unsigned char mSalt[8];
+
+ const char* mFileName;
+
+ size_t mFileSize;
+
+ size_t mFooterStart;
+
+ unsigned char* mReadBuf;
+
+ bool parseObbFile(int fd);
+};
+
+}
+#endif /* OBBFILE_H_ */