From 7e83f043d9c7afc42b632aa9567ecc17e901068c Mon Sep 17 00:00:00 2001 From: Mathias Agopian Date: Fri, 5 Jun 2009 14:56:35 -0700 Subject: [PATCH] break dependency on utils/ZipEntry.h and utils/ZipFile.h, get rid of inet_address.h and Socket.h which were not used --- include/utils/Socket.h | 80 --- include/utils/ZipEntry.h | 345 --------- include/utils/ZipFile.h | 269 ------- include/utils/inet_address.h | 103 --- libs/utils/Android.mk | 23 +- libs/utils/InetAddress.cpp | 236 ------- libs/utils/Socket.cpp | 388 ---------- libs/utils/ZipEntry.cpp | 696 ------------------ libs/utils/ZipFile.cpp | 1296 ---------------------------------- 9 files changed, 1 insertion(+), 3435 deletions(-) delete mode 100644 include/utils/Socket.h delete mode 100644 include/utils/ZipEntry.h delete mode 100644 include/utils/ZipFile.h delete mode 100644 include/utils/inet_address.h delete mode 100644 libs/utils/InetAddress.cpp delete mode 100644 libs/utils/Socket.cpp delete mode 100644 libs/utils/ZipEntry.cpp delete mode 100644 libs/utils/ZipFile.cpp diff --git a/include/utils/Socket.h b/include/utils/Socket.h deleted file mode 100644 index 8b7f40617..000000000 --- a/include/utils/Socket.h +++ /dev/null @@ -1,80 +0,0 @@ -/* - * Copyright (C) 2005 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. - */ - -// -// Socket class. Modeled after Java classes. -// -#ifndef _RUNTIME_SOCKET_H -#define _RUNTIME_SOCKET_H - -#include -#include - -namespace android { - -/* - * Basic socket class, needed to abstract away the differences between - * BSD sockets and WinSock. This establishes a streaming network - * connection (TCP/IP) to somebody. - */ -class Socket { -public: - Socket(void); - ~Socket(void); - - // Create a connection to somewhere. - // Return 0 on success. - int connect(const char* host, int port); - int connect(const InetAddress* addr, int port); - - - // Close the socket. Don't try to use this object again after - // calling this. Returns false on failure. - bool close(void); - - // If we created the socket without an address, we can use these - // to finish the connection. Returns 0 on success. - int bind(const SocketAddress& bindPoint); - int connect(const SocketAddress& endPoint); - - // Here we deviate from the traditional object-oriented fanciness - // and just provide read/write operators instead of getters for - // objects that abstract a stream. - // - // Standard read/write semantics. - int read(void* buf, ssize_t len) const; - int write(const void* buf, ssize_t len) const; - - // This must be called once, at program startup. - static bool bootInit(void); - static void finalShutdown(void); - -private: - // Internal function that establishes a connection. - int doConnect(const InetSocketAddress& addr); - - unsigned long mSock; // holds SOCKET or int - - static bool mBootInitialized; -}; - - -// debug -- unit tests -void TestSockets(void); - -}; // namespace android - -#endif // _RUNTIME_SOCKET_H diff --git a/include/utils/ZipEntry.h b/include/utils/ZipEntry.h deleted file mode 100644 index e4698dfbb..000000000 --- a/include/utils/ZipEntry.h +++ /dev/null @@ -1,345 +0,0 @@ -/* - * Copyright (C) 2006 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. - */ - -// -// Zip archive entries. -// -// The ZipEntry class is tightly meshed with the ZipFile class. -// -#ifndef __LIBS_ZIPENTRY_H -#define __LIBS_ZIPENTRY_H - -#include "Errors.h" - -#include -#include - -namespace android { - -class ZipFile; - -/* - * ZipEntry objects represent a single entry in a Zip archive. - * - * You can use one of these to get or set information about an entry, but - * there are no functions here for accessing the data itself. (We could - * tuck a pointer to the ZipFile in here for convenience, but that raises - * the likelihood of using ZipEntry objects after discarding the ZipFile.) - * - * File information is stored in two places: next to the file data (the Local - * File Header, and possibly a Data Descriptor), and at the end of the file - * (the Central Directory Entry). The two must be kept in sync. - */ -class ZipEntry { -public: - friend class ZipFile; - - ZipEntry(void) - : mDeleted(false), mMarked(false) - {} - ~ZipEntry(void) {} - - /* - * Returns "true" if the data is compressed. - */ - bool isCompressed(void) const { - return mCDE.mCompressionMethod != kCompressStored; - } - int getCompressionMethod(void) const { return mCDE.mCompressionMethod; } - - /* - * Return the uncompressed length. - */ - off_t getUncompressedLen(void) const { return mCDE.mUncompressedSize; } - - /* - * Return the compressed length. For uncompressed data, this returns - * the same thing as getUncompresesdLen(). - */ - off_t getCompressedLen(void) const { return mCDE.mCompressedSize; } - - /* - * Return the absolute file offset of the start of the compressed or - * uncompressed data. - */ - off_t getFileOffset(void) const { - return mCDE.mLocalHeaderRelOffset + - LocalFileHeader::kLFHLen + - mLFH.mFileNameLength + - mLFH.mExtraFieldLength; - } - - /* - * Return the data CRC. - */ - unsigned long getCRC32(void) const { return mCDE.mCRC32; } - - /* - * Return file modification time in UNIX seconds-since-epoch. - */ - time_t getModWhen(void) const; - - /* - * Return the archived file name. - */ - const char* getFileName(void) const { return (const char*) mCDE.mFileName; } - - /* - * Application-defined "mark". Can be useful when synchronizing the - * contents of an archive with contents on disk. - */ - bool getMarked(void) const { return mMarked; } - void setMarked(bool val) { mMarked = val; } - - /* - * Some basic functions for raw data manipulation. "LE" means - * Little Endian. - */ - static inline unsigned short getShortLE(const unsigned char* buf) { - return buf[0] | (buf[1] << 8); - } - static inline unsigned long getLongLE(const unsigned char* buf) { - return buf[0] | (buf[1] << 8) | (buf[2] << 16) | (buf[3] << 24); - } - static inline void putShortLE(unsigned char* buf, short val) { - buf[0] = (unsigned char) val; - buf[1] = (unsigned char) (val >> 8); - } - static inline void putLongLE(unsigned char* buf, long val) { - buf[0] = (unsigned char) val; - buf[1] = (unsigned char) (val >> 8); - buf[2] = (unsigned char) (val >> 16); - buf[3] = (unsigned char) (val >> 24); - } - - /* defined for Zip archives */ - enum { - kCompressStored = 0, // no compression - // shrunk = 1, - // reduced 1 = 2, - // reduced 2 = 3, - // reduced 3 = 4, - // reduced 4 = 5, - // imploded = 6, - // tokenized = 7, - kCompressDeflated = 8, // standard deflate - // Deflate64 = 9, - // lib imploded = 10, - // reserved = 11, - // bzip2 = 12, - }; - - /* - * Deletion flag. If set, the entry will be removed on the next - * call to "flush". - */ - bool getDeleted(void) const { return mDeleted; } - -protected: - /* - * Initialize the structure from the file, which is pointing at - * our Central Directory entry. - */ - status_t initFromCDE(FILE* fp); - - /* - * Initialize the structure for a new file. We need the filename - * and comment so that we can properly size the LFH area. The - * filename is mandatory, the comment is optional. - */ - void initNew(const char* fileName, const char* comment); - - /* - * Initialize the structure with the contents of a ZipEntry from - * another file. - */ - status_t initFromExternal(const ZipFile* pZipFile, const ZipEntry* pEntry); - - /* - * Add some pad bytes to the LFH. We do this by adding or resizing - * the "extra" field. - */ - status_t addPadding(int padding); - - /* - * Set information about the data for this entry. - */ - void setDataInfo(long uncompLen, long compLen, unsigned long crc32, - int compressionMethod); - - /* - * Set the modification date. - */ - void setModWhen(time_t when); - - /* - * Return the offset of the local file header. - */ - off_t getLFHOffset(void) const { return mCDE.mLocalHeaderRelOffset; } - - /* - * Set the offset of the local file header, relative to the start of - * the current file. - */ - void setLFHOffset(off_t offset) { - mCDE.mLocalHeaderRelOffset = (long) offset; - } - - /* mark for deletion; used by ZipFile::remove() */ - void setDeleted(void) { mDeleted = true; } - -private: - /* these are private and not defined */ - ZipEntry(const ZipEntry& src); - ZipEntry& operator=(const ZipEntry& src); - - /* returns "true" if the CDE and the LFH agree */ - bool compareHeaders(void) const; - void copyCDEtoLFH(void); - - bool mDeleted; // set if entry is pending deletion - bool mMarked; // app-defined marker - - /* - * Every entry in the Zip archive starts off with one of these. - */ - class LocalFileHeader { - public: - LocalFileHeader(void) : - mVersionToExtract(0), - mGPBitFlag(0), - mCompressionMethod(0), - mLastModFileTime(0), - mLastModFileDate(0), - mCRC32(0), - mCompressedSize(0), - mUncompressedSize(0), - mFileNameLength(0), - mExtraFieldLength(0), - mFileName(NULL), - mExtraField(NULL) - {} - virtual ~LocalFileHeader(void) { - delete[] mFileName; - delete[] mExtraField; - } - - status_t read(FILE* fp); - status_t write(FILE* fp); - - // unsigned long mSignature; - unsigned short mVersionToExtract; - unsigned short mGPBitFlag; - unsigned short mCompressionMethod; - unsigned short mLastModFileTime; - unsigned short mLastModFileDate; - unsigned long mCRC32; - unsigned long mCompressedSize; - unsigned long mUncompressedSize; - unsigned short mFileNameLength; - unsigned short mExtraFieldLength; - unsigned char* mFileName; - unsigned char* mExtraField; - - enum { - kSignature = 0x04034b50, - kLFHLen = 30, // LocalFileHdr len, excl. var fields - }; - - void dump(void) const; - }; - - /* - * Every entry in the Zip archive has one of these in the "central - * directory" at the end of the file. - */ - class CentralDirEntry { - public: - CentralDirEntry(void) : - mVersionMadeBy(0), - mVersionToExtract(0), - mGPBitFlag(0), - mCompressionMethod(0), - mLastModFileTime(0), - mLastModFileDate(0), - mCRC32(0), - mCompressedSize(0), - mUncompressedSize(0), - mFileNameLength(0), - mExtraFieldLength(0), - mFileCommentLength(0), - mDiskNumberStart(0), - mInternalAttrs(0), - mExternalAttrs(0), - mLocalHeaderRelOffset(0), - mFileName(NULL), - mExtraField(NULL), - mFileComment(NULL) - {} - virtual ~CentralDirEntry(void) { - delete[] mFileName; - delete[] mExtraField; - delete[] mFileComment; - } - - status_t read(FILE* fp); - status_t write(FILE* fp); - - // unsigned long mSignature; - unsigned short mVersionMadeBy; - unsigned short mVersionToExtract; - unsigned short mGPBitFlag; - unsigned short mCompressionMethod; - unsigned short mLastModFileTime; - unsigned short mLastModFileDate; - unsigned long mCRC32; - unsigned long mCompressedSize; - unsigned long mUncompressedSize; - unsigned short mFileNameLength; - unsigned short mExtraFieldLength; - unsigned short mFileCommentLength; - unsigned short mDiskNumberStart; - unsigned short mInternalAttrs; - unsigned long mExternalAttrs; - unsigned long mLocalHeaderRelOffset; - unsigned char* mFileName; - unsigned char* mExtraField; - unsigned char* mFileComment; - - void dump(void) const; - - enum { - kSignature = 0x02014b50, - kCDELen = 46, // CentralDirEnt len, excl. var fields - }; - }; - - enum { - //kDataDescriptorSignature = 0x08074b50, // currently unused - kDataDescriptorLen = 16, // four 32-bit fields - - kDefaultVersion = 20, // need deflate, nothing much else - kDefaultMadeBy = 0x0317, // 03=UNIX, 17=spec v2.3 - kUsesDataDescr = 0x0008, // GPBitFlag bit 3 - }; - - LocalFileHeader mLFH; - CentralDirEntry mCDE; -}; - -}; // namespace android - -#endif // __LIBS_ZIPENTRY_H diff --git a/include/utils/ZipFile.h b/include/utils/ZipFile.h deleted file mode 100644 index 44df5bbaa..000000000 --- a/include/utils/ZipFile.h +++ /dev/null @@ -1,269 +0,0 @@ -/* - * Copyright (C) 2006 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. - */ - -// -// General-purpose Zip archive access. This class allows both reading and -// writing to Zip archives, including deletion of existing entries. -// -#ifndef __LIBS_ZIPFILE_H -#define __LIBS_ZIPFILE_H - -#include "ZipEntry.h" -#include "Vector.h" -#include "Errors.h" -#include - -namespace android { - -/* - * Manipulate a Zip archive. - * - * Some changes will not be visible in the until until "flush" is called. - * - * The correct way to update a file archive is to make all changes to a - * copy of the archive in a temporary file, and then unlink/rename over - * the original after everything completes. Because we're only interested - * in using this for packaging, we don't worry about such things. Crashing - * after making changes and before flush() completes could leave us with - * an unusable Zip archive. - */ -class ZipFile { -public: - ZipFile(void) - : mZipFp(NULL), mReadOnly(false), mNeedCDRewrite(false) - {} - ~ZipFile(void) { - if (!mReadOnly) - flush(); - if (mZipFp != NULL) - fclose(mZipFp); - discardEntries(); - } - - /* - * Open a new or existing archive. - */ - typedef enum { - kOpenReadOnly = 0x01, - kOpenReadWrite = 0x02, - kOpenCreate = 0x04, // create if it doesn't exist - kOpenTruncate = 0x08, // if it exists, empty it - }; - status_t open(const char* zipFileName, int flags); - - /* - * Add a file to the end of the archive. Specify whether you want the - * library to try to store it compressed. - * - * If "storageName" is specified, the archive will use that instead - * of "fileName". - * - * If there is already an entry with the same name, the call fails. - * Existing entries with the same name must be removed first. - * - * If "ppEntry" is non-NULL, a pointer to the new entry will be returned. - */ - status_t add(const char* fileName, int compressionMethod, - ZipEntry** ppEntry) - { - return add(fileName, fileName, compressionMethod, ppEntry); - } - status_t add(const char* fileName, const char* storageName, - int compressionMethod, ZipEntry** ppEntry) - { - return addCommon(fileName, NULL, 0, storageName, - ZipEntry::kCompressStored, - compressionMethod, ppEntry); - } - - /* - * Add a file that is already compressed with gzip. - * - * If "ppEntry" is non-NULL, a pointer to the new entry will be returned. - */ - status_t addGzip(const char* fileName, const char* storageName, - ZipEntry** ppEntry) - { - return addCommon(fileName, NULL, 0, storageName, - ZipEntry::kCompressDeflated, - ZipEntry::kCompressDeflated, ppEntry); - } - - /* - * Add a file from an in-memory data buffer. - * - * If "ppEntry" is non-NULL, a pointer to the new entry will be returned. - */ - status_t add(const void* data, size_t size, const char* storageName, - int compressionMethod, ZipEntry** ppEntry) - { - return addCommon(NULL, data, size, storageName, - ZipEntry::kCompressStored, - compressionMethod, ppEntry); - } - - /* - * Add an entry by copying it from another zip file. If "padding" is - * nonzero, the specified number of bytes will be added to the "extra" - * field in the header. - * - * If "ppEntry" is non-NULL, a pointer to the new entry will be returned. - */ - status_t add(const ZipFile* pSourceZip, const ZipEntry* pSourceEntry, - int padding, ZipEntry** ppEntry); - - /* - * Mark an entry as having been removed. It is not actually deleted - * from the archive or our internal data structures until flush() is - * called. - */ - status_t remove(ZipEntry* pEntry); - - /* - * Flush changes. If mNeedCDRewrite is set, this writes the central dir. - */ - status_t flush(void); - - /* - * Expand the data into the buffer provided. The buffer must hold - * at least bytes. Variation expands directly - * to a file. - * - * Returns "false" if an error was encountered in the compressed data. - */ - //bool uncompress(const ZipEntry* pEntry, void* buf) const; - //bool uncompress(const ZipEntry* pEntry, FILE* fp) const; - void* uncompress(const ZipEntry* pEntry); - - /* - * Get an entry, by name. Returns NULL if not found. - * - * Does not return entries pending deletion. - */ - ZipEntry* getEntryByName(const char* fileName) const; - - /* - * Get the Nth entry in the archive. - * - * This will return an entry that is pending deletion. - */ - int getNumEntries(void) const { return mEntries.size(); } - ZipEntry* getEntryByIndex(int idx) const; - -private: - /* these are private and not defined */ - ZipFile(const ZipFile& src); - ZipFile& operator=(const ZipFile& src); - - class EndOfCentralDir { - public: - EndOfCentralDir(void) : - mDiskNumber(0), - mDiskWithCentralDir(0), - mNumEntries(0), - mTotalNumEntries(0), - mCentralDirSize(0), - mCentralDirOffset(0), - mCommentLen(0), - mComment(NULL) - {} - virtual ~EndOfCentralDir(void) { - delete[] mComment; - } - - status_t readBuf(const unsigned char* buf, int len); - status_t write(FILE* fp); - - //unsigned long mSignature; - unsigned short mDiskNumber; - unsigned short mDiskWithCentralDir; - unsigned short mNumEntries; - unsigned short mTotalNumEntries; - unsigned long mCentralDirSize; - unsigned long mCentralDirOffset; // offset from first disk - unsigned short mCommentLen; - unsigned char* mComment; - - enum { - kSignature = 0x06054b50, - kEOCDLen = 22, // EndOfCentralDir len, excl. comment - - kMaxCommentLen = 65535, // longest possible in ushort - kMaxEOCDSearch = kMaxCommentLen + EndOfCentralDir::kEOCDLen, - - }; - - void dump(void) const; - }; - - - /* read all entries in the central dir */ - status_t readCentralDir(void); - - /* crunch deleted entries out */ - status_t crunchArchive(void); - - /* clean up mEntries */ - void discardEntries(void); - - /* common handler for all "add" functions */ - status_t addCommon(const char* fileName, const void* data, size_t size, - const char* storageName, int sourceType, int compressionMethod, - ZipEntry** ppEntry); - - /* copy all of "srcFp" into "dstFp" */ - status_t copyFpToFp(FILE* dstFp, FILE* srcFp, unsigned long* pCRC32); - /* copy all of "data" into "dstFp" */ - status_t copyDataToFp(FILE* dstFp, - const void* data, size_t size, unsigned long* pCRC32); - /* copy some of "srcFp" into "dstFp" */ - status_t copyPartialFpToFp(FILE* dstFp, FILE* srcFp, long length, - unsigned long* pCRC32); - /* like memmove(), but on parts of a single file */ - status_t filemove(FILE* fp, off_t dest, off_t src, size_t n); - /* compress all of "srcFp" into "dstFp", using Deflate */ - status_t compressFpToFp(FILE* dstFp, FILE* srcFp, - const void* data, size_t size, unsigned long* pCRC32); - - /* get modification date from a file descriptor */ - time_t getModTime(int fd); - - /* - * We use stdio FILE*, which gives us buffering but makes dealing - * with files >2GB awkward. Until we support Zip64, we're fine. - */ - FILE* mZipFp; // Zip file pointer - - /* one of these per file */ - EndOfCentralDir mEOCD; - - /* did we open this read-only? */ - bool mReadOnly; - - /* set this when we trash the central dir */ - bool mNeedCDRewrite; - - /* - * One ZipEntry per entry in the zip file. I'm using pointers instead - * of objects because it's easier than making operator= work for the - * classes and sub-classes. - */ - Vector mEntries; -}; - -}; // namespace android - -#endif // __LIBS_ZIPFILE_H diff --git a/include/utils/inet_address.h b/include/utils/inet_address.h deleted file mode 100644 index dbd8672e0..000000000 --- a/include/utils/inet_address.h +++ /dev/null @@ -1,103 +0,0 @@ -/* - * Copyright (C) 2005 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. - */ - -// -// Internet address classes. Modeled after Java classes. -// -#ifndef _RUNTIME_INET_ADDRESS_H -#define _RUNTIME_INET_ADDRESS_H - -#ifdef HAVE_ANDROID_OS -#error DO NOT USE THIS FILE IN THE DEVICE BUILD -#endif - - -namespace android { - -/* - * This class holds Internet addresses. Perhaps more useful is its - * ability to look up addresses by name. - * - * Invoke one of the static factory methods to create a new object. - */ -class InetAddress { -public: - virtual ~InetAddress(void); - - // create from w.x.y.z or foo.bar.com notation - static InetAddress* getByName(const char* host); - - // copy-construction - InetAddress(const InetAddress& orig); - - const void* getAddress(void) const { return mAddress; } - int getAddressLength(void) const { return mLength; } - const char* getHostName(void) const { return mName; } - -private: - InetAddress(void); - // assignment (private) - InetAddress& operator=(const InetAddress& addr); - - // use a void* here so we don't have to expose actual socket headers - void* mAddress; // this is really a ptr to sockaddr_in - int mLength; - char* mName; -}; - - -/* - * Base class for socket addresses. - */ -class SocketAddress { -public: - SocketAddress() {} - virtual ~SocketAddress() {} -}; - - -/* - * Internet address class. This combines an InetAddress with a port. - */ -class InetSocketAddress : public SocketAddress { -public: - InetSocketAddress() : - mAddress(0), mPort(-1) - {} - ~InetSocketAddress(void) { - delete mAddress; - } - - // Create an address with a host wildcard (useful for servers). - bool create(int port); - // Create an address with the specified host and port. - bool create(const InetAddress* addr, int port); - // Create an address with the specified host and port. Does the - // hostname lookup. - bool create(const char* host, int port); - - const InetAddress* getAddress(void) const { return mAddress; } - const int getPort(void) const { return mPort; } - const char* getHostName(void) const { return mAddress->getHostName(); } - -private: - InetAddress* mAddress; - int mPort; -}; - -}; // namespace android - -#endif // _RUNTIME_INET_ADDRESS_H diff --git a/libs/utils/Android.mk b/libs/utils/Android.mk index 6605c9fde..70d440797 100644 --- a/libs/utils/Android.mk +++ b/libs/utils/Android.mk @@ -44,26 +44,13 @@ commonSources:= \ misc.cpp \ LogSocket.cpp -# -# The cpp files listed here do not belong in the device -# build. Consult with the swetland before even thinking about -# putting them in commonSources. -# -# They're used by the simulator runtime and by host-side tools like -# aapt and the simulator front-end. -# -hostSources:= \ - InetAddress.cpp \ - Socket.cpp \ - ZipEntry.cpp \ - ZipFile.cpp # For the host # ===================================================== include $(CLEAR_VARS) -LOCAL_SRC_FILES:= $(commonSources) $(hostSources) +LOCAL_SRC_FILES:= $(commonSources) ifeq ($(HOST_OS),linux) # Use the futex based mutex and condition variable @@ -100,10 +87,6 @@ LOCAL_SRC_FILES:= \ BackupData.cpp \ BackupHelpers.cpp -ifeq ($(TARGET_SIMULATOR),true) -LOCAL_SRC_FILES += $(hostSources) -endif - ifeq ($(TARGET_OS),linux) # Use the futex based mutex and condition variable # implementation from android-arm because it's shared mem safe @@ -130,9 +113,5 @@ endif # linux-x86 endif # sim LOCAL_MODULE:= libutils - -#LOCAL_CFLAGS+= -#LOCAL_LDFLAGS:= - include $(BUILD_SHARED_LIBRARY) diff --git a/libs/utils/InetAddress.cpp b/libs/utils/InetAddress.cpp deleted file mode 100644 index 39a0a6839..000000000 --- a/libs/utils/InetAddress.cpp +++ /dev/null @@ -1,236 +0,0 @@ -/* - * Copyright (C) 2005 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. - */ - -// -// Internet address class. -// -#ifdef HAVE_WINSOCK -# include -#else -# include -# include -# include -//# include -# include -#endif - -#include -#include -#include - -#include -#include -#include -#include -#include - -using namespace android; - - -/* - * =========================================================================== - * InetAddress - * =========================================================================== - */ - -// lock for the next couple of functions; could tuck into InetAddress -static Mutex* gGHBNLock; - -/* - * Lock/unlock access to the hostent struct returned by gethostbyname(). - */ -static inline void lock_gethostbyname(void) -{ - if (gGHBNLock == NULL) - gGHBNLock = new Mutex; - gGHBNLock->lock(); -} -static inline void unlock_gethostbyname(void) -{ - assert(gGHBNLock != NULL); - gGHBNLock->unlock(); -} - - -/* - * Constructor -- just init members. This is private so that callers - * are required to use getByName(). - */ -InetAddress::InetAddress(void) - : mAddress(NULL), mLength(-1), mName(NULL) -{ -} - -/* - * Destructor -- free address storage. - */ -InetAddress::~InetAddress(void) -{ - delete[] (char*) mAddress; - delete[] mName; -} - -/* - * Copy constructor. - */ -InetAddress::InetAddress(const InetAddress& orig) -{ - *this = orig; // use assignment code -} - -/* - * Assignment operator. - */ -InetAddress& InetAddress::operator=(const InetAddress& addr) -{ - // handle self-assignment - if (this == &addr) - return *this; - // copy mLength and mAddress - mLength = addr.mLength; - if (mLength > 0) { - mAddress = new char[mLength]; - memcpy(mAddress, addr.mAddress, mLength); - LOG(LOG_DEBUG, "socket", - "HEY: copied %d bytes in assignment operator\n", mLength); - } else { - mAddress = NULL; - } - // copy mName - mName = new char[strlen(addr.mName)+1]; - strcpy(mName, addr.mName); - - return *this; -} - -/* - * Create a new object from a name or a dotted-number IP notation. - * - * Returns NULL on failure. - */ -InetAddress* -InetAddress::getByName(const char* host) -{ - InetAddress* newAddr = NULL; - struct sockaddr_in addr; - struct hostent* he; - DurationTimer hostTimer, lockTimer; - - // gethostbyname() isn't reentrant, so we need to lock things until - // we can copy the data out. - lockTimer.start(); - lock_gethostbyname(); - hostTimer.start(); - - he = gethostbyname(host); - if (he == NULL) { - LOG(LOG_WARN, "socket", "WARNING: cannot resolve host %s\n", host); - unlock_gethostbyname(); - return NULL; - } - - memcpy(&addr.sin_addr, he->h_addr, he->h_length); - addr.sin_family = he->h_addrtype; - addr.sin_port = 0; - - // got it, unlock us - hostTimer.stop(); - he = NULL; - unlock_gethostbyname(); - - lockTimer.stop(); - if ((long) lockTimer.durationUsecs() > 100000) { - long lockTime = (long) lockTimer.durationUsecs(); - long hostTime = (long) hostTimer.durationUsecs(); - LOG(LOG_DEBUG, "socket", - "Lookup of %s took %.3fs (gethostbyname=%.3fs lock=%.3fs)\n", - host, lockTime / 1000000.0, hostTime / 1000000.0, - (lockTime - hostTime) / 1000000.0); - } - - // Alloc storage and copy it over. - newAddr = new InetAddress(); - if (newAddr == NULL) - return NULL; - - newAddr->mLength = sizeof(struct sockaddr_in); - newAddr->mAddress = new char[sizeof(struct sockaddr_in)]; - if (newAddr->mAddress == NULL) { - delete newAddr; - return NULL; - } - memcpy(newAddr->mAddress, &addr, newAddr->mLength); - - // Keep this for debug messages. - newAddr->mName = new char[strlen(host)+1]; - if (newAddr->mName == NULL) { - delete newAddr; - return NULL; - } - strcpy(newAddr->mName, host); - - return newAddr; -} - - -/* - * =========================================================================== - * InetSocketAddress - * =========================================================================== - */ - -/* - * Create an address with the host wildcard (INADDR_ANY). - */ -bool InetSocketAddress::create(int port) -{ - assert(mAddress == NULL); - - mAddress = InetAddress::getByName("0.0.0.0"); - if (mAddress == NULL) - return false; - mPort = port; - return true; -} - -/* - * Create address with host and port specified. - */ -bool InetSocketAddress::create(const InetAddress* addr, int port) -{ - assert(mAddress == NULL); - - mAddress = new InetAddress(*addr); // make a copy - if (mAddress == NULL) - return false; - mPort = port; - return true; -} - -/* - * Create address with host and port specified. - */ -bool InetSocketAddress::create(const char* host, int port) -{ - assert(mAddress == NULL); - - mAddress = InetAddress::getByName(host); - if (mAddress == NULL) - return false; - mPort = port; - return true; -} - diff --git a/libs/utils/Socket.cpp b/libs/utils/Socket.cpp deleted file mode 100644 index 51509a304..000000000 --- a/libs/utils/Socket.cpp +++ /dev/null @@ -1,388 +0,0 @@ -/* - * Copyright (C) 2005 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. - */ - -// -// Internet address class. -// - -#ifdef HAVE_WINSOCK -// This needs to come first, or Cygwin gets concerned about a potential -// clash between WinSock and . -# include -#endif - -#include -#include -#include -#include - -#ifndef HAVE_WINSOCK -# include -# include -# include -# include -#endif - -#include -#include -#include -#include -#include -#include - -using namespace android; - - -/* - * =========================================================================== - * Socket - * =========================================================================== - */ - -#ifndef INVALID_SOCKET -# define INVALID_SOCKET (-1) -#endif -#define UNDEF_SOCKET ((unsigned long) INVALID_SOCKET) - -/*static*/ bool Socket::mBootInitialized = false; - -/* - * Extract system-dependent error code. - */ -static inline int getSocketError(void) { -#ifdef HAVE_WINSOCK - return WSAGetLastError(); -#else - return errno; -#endif -} - -/* - * One-time initialization for socket code. - */ -/*static*/ bool Socket::bootInit(void) -{ -#ifdef HAVE_WINSOCK - WSADATA wsaData; - int err; - - err = WSAStartup(MAKEWORD(2, 0), &wsaData); - if (err != 0) { - LOG(LOG_ERROR, "socket", "Unable to start WinSock\n"); - return false; - } - - LOG(LOG_INFO, "socket", "Using WinSock v%d.%d\n", - LOBYTE(wsaData.wVersion), HIBYTE(wsaData.wVersion)); -#endif - - mBootInitialized = true; - return true; -} - -/* - * One-time shutdown for socket code. - */ -/*static*/ void Socket::finalShutdown(void) -{ -#ifdef HAVE_WINSOCK - WSACleanup(); -#endif - mBootInitialized = false; -} - - -/* - * Simple constructor. Allow the application to create us and then make - * bind/connect calls. - */ -Socket::Socket(void) - : mSock(UNDEF_SOCKET) -{ - if (!mBootInitialized) - LOG(LOG_WARN, "socket", "WARNING: sockets not initialized\n"); -} - -/* - * Destructor. Closes the socket and resets our storage. - */ -Socket::~Socket(void) -{ - close(); -} - - -/* - * Create a socket and connect to the specified host and port. - */ -int Socket::connect(const char* host, int port) -{ - if (mSock != UNDEF_SOCKET) { - LOG(LOG_WARN, "socket", "Socket already connected\n"); - return -1; - } - - InetSocketAddress sockAddr; - if (!sockAddr.create(host, port)) - return -1; - - //return doConnect(sockAddr); - int foo; - foo = doConnect(sockAddr); - return foo; -} - -/* - * Create a socket and connect to the specified host and port. - */ -int Socket::connect(const InetAddress* addr, int port) -{ - if (mSock != UNDEF_SOCKET) { - LOG(LOG_WARN, "socket", "Socket already connected\n"); - return -1; - } - - InetSocketAddress sockAddr; - if (!sockAddr.create(addr, port)) - return -1; - - return doConnect(sockAddr); -} - -/* - * Finish creating a socket by connecting to the remote host. - * - * Returns 0 on success. - */ -int Socket::doConnect(const InetSocketAddress& sockAddr) -{ -#ifdef HAVE_WINSOCK - SOCKET sock; -#else - int sock; -#endif - const InetAddress* addr = sockAddr.getAddress(); - int port = sockAddr.getPort(); - struct sockaddr_in inaddr; - DurationTimer connectTimer; - - assert(sizeof(struct sockaddr_in) == addr->getAddressLength()); - memcpy(&inaddr, addr->getAddress(), addr->getAddressLength()); - inaddr.sin_port = htons(port); - - //fprintf(stderr, "--- connecting to %s:%d\n", - // sockAddr.getHostName(), port); - - sock = ::socket(PF_INET, SOCK_STREAM, IPPROTO_TCP); - if (sock == INVALID_SOCKET) { - int err = getSocketError(); - LOG(LOG_ERROR, "socket", "Unable to create socket (err=%d)\n", err); - return (err != 0) ? err : -1; - } - - connectTimer.start(); - - if (::connect(sock, (struct sockaddr*) &inaddr, sizeof(inaddr)) != 0) { - int err = getSocketError(); - LOG(LOG_WARN, "socket", "Connect to %s:%d failed: %d\n", - sockAddr.getHostName(), port, err); - return (err != 0) ? err : -1; - } - - connectTimer.stop(); - if ((long) connectTimer.durationUsecs() > 100000) { - LOG(LOG_INFO, "socket", - "Connect to %s:%d took %.3fs\n", sockAddr.getHostName(), - port, ((long) connectTimer.durationUsecs()) / 1000000.0); - } - - mSock = (unsigned long) sock; - LOG(LOG_VERBOSE, "socket", - "--- connected to %s:%d\n", sockAddr.getHostName(), port); - return 0; -} - - -/* - * Close the socket if it needs closing. - */ -bool Socket::close(void) -{ - if (mSock != UNDEF_SOCKET) { - //fprintf(stderr, "--- closing socket %lu\n", mSock); -#ifdef HAVE_WINSOCK - if (::closesocket((SOCKET) mSock) != 0) - return false; -#else - if (::close((int) mSock) != 0) - return false; -#endif - } - - mSock = UNDEF_SOCKET; - - return true; -} - -/* - * Read data from socket. - * - * Standard semantics: read up to "len" bytes into "buf". Returns the - * number of bytes read, or less than zero on error. - */ -int Socket::read(void* buf, ssize_t len) const -{ - if (mSock == UNDEF_SOCKET) { - LOG(LOG_ERROR, "socket", "ERROR: read on invalid socket\n"); - return -500; - } - -#ifdef HAVE_WINSOCK - SOCKET sock = (SOCKET) mSock; -#else - int sock = (int) mSock; -#endif - int cc; - - cc = recv(sock, (char*)buf, len, 0); - if (cc < 0) { - int err = getSocketError(); - return (err > 0) ? -err : -1; - } - - return cc; -} - -/* - * Write data to a socket. - * - * Standard semantics: write up to "len" bytes into "buf". Returns the - * number of bytes written, or less than zero on error. - */ -int Socket::write(const void* buf, ssize_t len) const -{ - if (mSock == UNDEF_SOCKET) { - LOG(LOG_ERROR, "socket", "ERROR: write on invalid socket\n"); - return -500; - } - -#ifdef HAVE_WINSOCK - SOCKET sock = (SOCKET) mSock; -#else - int sock = (int) mSock; -#endif - int cc; - - cc = send(sock, (const char*)buf, len, 0); - if (cc < 0) { - int err = getSocketError(); - return (err > 0) ? -err : -1; - } - - return cc; -} - - -/* - * =========================================================================== - * Socket tests - * =========================================================================== - */ - -/* - * Read all data from the socket. The data is read into a buffer that - * expands as needed. - * - * On exit, the buffer is returned, and the length of the data is stored - * in "*sz". A null byte is added to the end, but is not included in - * the length. - */ -static char* socketReadAll(const Socket& s, int *sz) -{ - int max, r; - char *data, *ptr, *tmp; - - data = (char*) malloc(max = 32768); - if (data == NULL) - return NULL; - - ptr = data; - - for (;;) { - if ((ptr - data) == max) { - tmp = (char*) realloc(data, max *= 2); - if(tmp == 0) { - free(data); - return 0; - } - } - r = s.read(ptr, max - (ptr - data)); - if (r == 0) - break; - if (r < 0) { - LOG(LOG_WARN, "socket", "WARNING: socket read failed (res=%d)\n",r); - break; - } - ptr += r; - } - - if ((ptr - data) == max) { - tmp = (char*) realloc(data, max + 1); - if (tmp == NULL) { - free(data); - return NULL; - } - } - *ptr = '\0'; - *sz = (ptr - data); - return data; -} - -/* - * Exercise the Socket class. - */ -void android::TestSockets(void) -{ - printf("----- SOCKET TEST ------\n"); - Socket::bootInit(); - - char* buf = NULL; - int len, cc; - const char* kTestStr = - "GET / HTTP/1.0\n" - "Connection: close\n" - "\n"; - - Socket sock; - if (sock.connect("www.google.com", 80) != 0) { - fprintf(stderr, "socket connected failed\n"); - goto bail; - } - - cc = sock.write(kTestStr, strlen(kTestStr)); - if (cc != (int) strlen(kTestStr)) { - fprintf(stderr, "write failed, res=%d\n", cc); - goto bail; - } - buf = socketReadAll(sock, &len); - - printf("GOT '%s'\n", buf); - -bail: - sock.close(); - free(buf); -} - diff --git a/libs/utils/ZipEntry.cpp b/libs/utils/ZipEntry.cpp deleted file mode 100644 index 96f9fc4d6..000000000 --- a/libs/utils/ZipEntry.cpp +++ /dev/null @@ -1,696 +0,0 @@ -/* - * Copyright (C) 2006 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. - */ - -// -// Access to entries in a Zip archive. -// - -#define LOG_TAG "zip" - -#include -#include - -#include -#include -#include - -using namespace android; - -/* - * Initialize a new ZipEntry structure from a FILE* positioned at a - * CentralDirectoryEntry. - * - * On exit, the file pointer will be at the start of the next CDE or - * at the EOCD. - */ -status_t ZipEntry::initFromCDE(FILE* fp) -{ - status_t result; - long posn; - bool hasDD; - - //LOGV("initFromCDE ---\n"); - - /* read the CDE */ - result = mCDE.read(fp); - if (result != NO_ERROR) { - LOGD("mCDE.read failed\n"); - return result; - } - - //mCDE.dump(); - - /* using the info in the CDE, go load up the LFH */ - posn = ftell(fp); - if (fseek(fp, mCDE.mLocalHeaderRelOffset, SEEK_SET) != 0) { - LOGD("local header seek failed (%ld)\n", - mCDE.mLocalHeaderRelOffset); - return UNKNOWN_ERROR; - } - - result = mLFH.read(fp); - if (result != NO_ERROR) { - LOGD("mLFH.read failed\n"); - return result; - } - - if (fseek(fp, posn, SEEK_SET) != 0) - return UNKNOWN_ERROR; - - //mLFH.dump(); - - /* - * We *might* need to read the Data Descriptor at this point and - * integrate it into the LFH. If this bit is set, the CRC-32, - * compressed size, and uncompressed size will be zero. In practice - * these seem to be rare. - */ - hasDD = (mLFH.mGPBitFlag & kUsesDataDescr) != 0; - if (hasDD) { - // do something clever - //LOGD("+++ has data descriptor\n"); - } - - /* - * Sanity-check the LFH. Note that this will fail if the "kUsesDataDescr" - * flag is set, because the LFH is incomplete. (Not a problem, since we - * prefer the CDE values.) - */ - if (!hasDD && !compareHeaders()) { - LOGW("WARNING: header mismatch\n"); - // keep going? - } - - /* - * If the mVersionToExtract is greater than 20, we may have an - * issue unpacking the record -- could be encrypted, compressed - * with something we don't support, or use Zip64 extensions. We - * can defer worrying about that to when we're extracting data. - */ - - return NO_ERROR; -} - -/* - * Initialize a new entry. Pass in the file name and an optional comment. - * - * Initializes the CDE and the LFH. - */ -void ZipEntry::initNew(const char* fileName, const char* comment) -{ - assert(fileName != NULL && *fileName != '\0'); // name required - - /* most fields are properly initialized by constructor */ - mCDE.mVersionMadeBy = kDefaultMadeBy; - mCDE.mVersionToExtract = kDefaultVersion; - mCDE.mCompressionMethod = kCompressStored; - mCDE.mFileNameLength = strlen(fileName); - if (comment != NULL) - mCDE.mFileCommentLength = strlen(comment); - mCDE.mExternalAttrs = 0x81b60020; // matches what WinZip does - - if (mCDE.mFileNameLength > 0) { - mCDE.mFileName = new unsigned char[mCDE.mFileNameLength+1]; - strcpy((char*) mCDE.mFileName, fileName); - } - if (mCDE.mFileCommentLength > 0) { - /* TODO: stop assuming null-terminated ASCII here? */ - mCDE.mFileComment = new unsigned char[mCDE.mFileCommentLength+1]; - strcpy((char*) mCDE.mFileComment, comment); - } - - copyCDEtoLFH(); -} - -/* - * Initialize a new entry, starting with the ZipEntry from a different - * archive. - * - * Initializes the CDE and the LFH. - */ -status_t ZipEntry::initFromExternal(const ZipFile* pZipFile, - const ZipEntry* pEntry) -{ - /* - * Copy everything in the CDE over, then fix up the hairy bits. - */ - memcpy(&mCDE, &pEntry->mCDE, sizeof(mCDE)); - - if (mCDE.mFileNameLength > 0) { - mCDE.mFileName = new unsigned char[mCDE.mFileNameLength+1]; - if (mCDE.mFileName == NULL) - return NO_MEMORY; - strcpy((char*) mCDE.mFileName, (char*)pEntry->mCDE.mFileName); - } - if (mCDE.mFileCommentLength > 0) { - mCDE.mFileComment = new unsigned char[mCDE.mFileCommentLength+1]; - if (mCDE.mFileComment == NULL) - return NO_MEMORY; - strcpy((char*) mCDE.mFileComment, (char*)pEntry->mCDE.mFileComment); - } - if (mCDE.mExtraFieldLength > 0) { - /* we null-terminate this, though it may not be a string */ - mCDE.mExtraField = new unsigned char[mCDE.mExtraFieldLength+1]; - if (mCDE.mExtraField == NULL) - return NO_MEMORY; - memcpy(mCDE.mExtraField, pEntry->mCDE.mExtraField, - mCDE.mExtraFieldLength+1); - } - - /* construct the LFH from the CDE */ - copyCDEtoLFH(); - - /* - * The LFH "extra" field is independent of the CDE "extra", so we - * handle it here. - */ - assert(mLFH.mExtraField == NULL); - mLFH.mExtraFieldLength = pEntry->mLFH.mExtraFieldLength; - if (mLFH.mExtraFieldLength > 0) { - mLFH.mExtraField = new unsigned char[mLFH.mExtraFieldLength+1]; - if (mLFH.mExtraField == NULL) - return NO_MEMORY; - memcpy(mLFH.mExtraField, pEntry->mLFH.mExtraField, - mLFH.mExtraFieldLength+1); - } - - return NO_ERROR; -} - -/* - * Insert pad bytes in the LFH by tweaking the "extra" field. This will - * potentially confuse something that put "extra" data in here earlier, - * but I can't find an actual problem. - */ -status_t ZipEntry::addPadding(int padding) -{ - if (padding <= 0) - return INVALID_OPERATION; - - //LOGI("HEY: adding %d pad bytes to existing %d in %s\n", - // padding, mLFH.mExtraFieldLength, mCDE.mFileName); - - if (mLFH.mExtraFieldLength > 0) { - /* extend existing field */ - unsigned char* newExtra; - - newExtra = new unsigned char[mLFH.mExtraFieldLength + padding]; - if (newExtra == NULL) - return NO_MEMORY; - memset(newExtra + mLFH.mExtraFieldLength, 0, padding); - memcpy(newExtra, mLFH.mExtraField, mLFH.mExtraFieldLength); - - delete[] mLFH.mExtraField; - mLFH.mExtraField = newExtra; - mLFH.mExtraFieldLength += padding; - } else { - /* create new field */ - mLFH.mExtraField = new unsigned char[padding]; - memset(mLFH.mExtraField, 0, padding); - mLFH.mExtraFieldLength = padding; - } - - return NO_ERROR; -} - -/* - * Set the fields in the LFH equal to the corresponding fields in the CDE. - * - * This does not touch the LFH "extra" field. - */ -void ZipEntry::copyCDEtoLFH(void) -{ - mLFH.mVersionToExtract = mCDE.mVersionToExtract; - mLFH.mGPBitFlag = mCDE.mGPBitFlag; - mLFH.mCompressionMethod = mCDE.mCompressionMethod; - mLFH.mLastModFileTime = mCDE.mLastModFileTime; - mLFH.mLastModFileDate = mCDE.mLastModFileDate; - mLFH.mCRC32 = mCDE.mCRC32; - mLFH.mCompressedSize = mCDE.mCompressedSize; - mLFH.mUncompressedSize = mCDE.mUncompressedSize; - mLFH.mFileNameLength = mCDE.mFileNameLength; - // the "extra field" is independent - - delete[] mLFH.mFileName; - if (mLFH.mFileNameLength > 0) { - mLFH.mFileName = new unsigned char[mLFH.mFileNameLength+1]; - strcpy((char*) mLFH.mFileName, (const char*) mCDE.mFileName); - } else { - mLFH.mFileName = NULL; - } -} - -/* - * Set some information about a file after we add it. - */ -void ZipEntry::setDataInfo(long uncompLen, long compLen, unsigned long crc32, - int compressionMethod) -{ - mCDE.mCompressionMethod = compressionMethod; - mCDE.mCRC32 = crc32; - mCDE.mCompressedSize = compLen; - mCDE.mUncompressedSize = uncompLen; - mCDE.mCompressionMethod = compressionMethod; - if (compressionMethod == kCompressDeflated) { - mCDE.mGPBitFlag |= 0x0002; // indicates maximum compression used - } - copyCDEtoLFH(); -} - -/* - * See if the data in mCDE and mLFH match up. This is mostly useful for - * debugging these classes, but it can be used to identify damaged - * archives. - * - * Returns "false" if they differ. - */ -bool ZipEntry::compareHeaders(void) const -{ - if (mCDE.mVersionToExtract != mLFH.mVersionToExtract) { - LOGV("cmp: VersionToExtract\n"); - return false; - } - if (mCDE.mGPBitFlag != mLFH.mGPBitFlag) { - LOGV("cmp: GPBitFlag\n"); - return false; - } - if (mCDE.mCompressionMethod != mLFH.mCompressionMethod) { - LOGV("cmp: CompressionMethod\n"); - return false; - } - if (mCDE.mLastModFileTime != mLFH.mLastModFileTime) { - LOGV("cmp: LastModFileTime\n"); - return false; - } - if (mCDE.mLastModFileDate != mLFH.mLastModFileDate) { - LOGV("cmp: LastModFileDate\n"); - return false; - } - if (mCDE.mCRC32 != mLFH.mCRC32) { - LOGV("cmp: CRC32\n"); - return false; - } - if (mCDE.mCompressedSize != mLFH.mCompressedSize) { - LOGV("cmp: CompressedSize\n"); - return false; - } - if (mCDE.mUncompressedSize != mLFH.mUncompressedSize) { - LOGV("cmp: UncompressedSize\n"); - return false; - } - if (mCDE.mFileNameLength != mLFH.mFileNameLength) { - LOGV("cmp: FileNameLength\n"); - return false; - } -#if 0 // this seems to be used for padding, not real data - if (mCDE.mExtraFieldLength != mLFH.mExtraFieldLength) { - LOGV("cmp: ExtraFieldLength\n"); - return false; - } -#endif - if (mCDE.mFileName != NULL) { - if (strcmp((char*) mCDE.mFileName, (char*) mLFH.mFileName) != 0) { - LOGV("cmp: FileName\n"); - return false; - } - } - - return true; -} - - -/* - * Convert the DOS date/time stamp into a UNIX time stamp. - */ -time_t ZipEntry::getModWhen(void) const -{ - struct tm parts; - - parts.tm_sec = (mCDE.mLastModFileTime & 0x001f) << 1; - parts.tm_min = (mCDE.mLastModFileTime & 0x07e0) >> 5; - parts.tm_hour = (mCDE.mLastModFileTime & 0xf800) >> 11; - parts.tm_mday = (mCDE.mLastModFileDate & 0x001f); - parts.tm_mon = ((mCDE.mLastModFileDate & 0x01e0) >> 5) -1; - parts.tm_year = ((mCDE.mLastModFileDate & 0xfe00) >> 9) + 80; - parts.tm_wday = parts.tm_yday = 0; - parts.tm_isdst = -1; // DST info "not available" - - return mktime(&parts); -} - -/* - * Set the CDE/LFH timestamp from UNIX time. - */ -void ZipEntry::setModWhen(time_t when) -{ -#ifdef HAVE_LOCALTIME_R - struct tm tmResult; -#endif - time_t even; - unsigned short zdate, ztime; - - struct tm* ptm; - - /* round up to an even number of seconds */ - even = (time_t)(((unsigned long)(when) + 1) & (~1)); - - /* expand */ -#ifdef HAVE_LOCALTIME_R - ptm = localtime_r(&even, &tmResult); -#else - ptm = localtime(&even); -#endif - - int year; - year = ptm->tm_year; - if (year < 80) - year = 80; - - zdate = (year - 80) << 9 | (ptm->tm_mon+1) << 5 | ptm->tm_mday; - ztime = ptm->tm_hour << 11 | ptm->tm_min << 5 | ptm->tm_sec >> 1; - - mCDE.mLastModFileTime = mLFH.mLastModFileTime = ztime; - mCDE.mLastModFileDate = mLFH.mLastModFileDate = zdate; -} - - -/* - * =========================================================================== - * ZipEntry::LocalFileHeader - * =========================================================================== - */ - -/* - * Read a local file header. - * - * On entry, "fp" points to the signature at the start of the header. - * On exit, "fp" points to the start of data. - */ -status_t ZipEntry::LocalFileHeader::read(FILE* fp) -{ - status_t result = NO_ERROR; - unsigned char buf[kLFHLen]; - - assert(mFileName == NULL); - assert(mExtraField == NULL); - - if (fread(buf, 1, kLFHLen, fp) != kLFHLen) { - result = UNKNOWN_ERROR; - goto bail; - } - - if (ZipEntry::getLongLE(&buf[0x00]) != kSignature) { - LOGD("whoops: didn't find expected signature\n"); - result = UNKNOWN_ERROR; - goto bail; - } - - mVersionToExtract = ZipEntry::getShortLE(&buf[0x04]); - mGPBitFlag = ZipEntry::getShortLE(&buf[0x06]); - mCompressionMethod = ZipEntry::getShortLE(&buf[0x08]); - mLastModFileTime = ZipEntry::getShortLE(&buf[0x0a]); - mLastModFileDate = ZipEntry::getShortLE(&buf[0x0c]); - mCRC32 = ZipEntry::getLongLE(&buf[0x0e]); - mCompressedSize = ZipEntry::getLongLE(&buf[0x12]); - mUncompressedSize = ZipEntry::getLongLE(&buf[0x16]); - mFileNameLength = ZipEntry::getShortLE(&buf[0x1a]); - mExtraFieldLength = ZipEntry::getShortLE(&buf[0x1c]); - - // TODO: validate sizes - - /* grab filename */ - if (mFileNameLength != 0) { - mFileName = new unsigned char[mFileNameLength+1]; - if (mFileName == NULL) { - result = NO_MEMORY; - goto bail; - } - if (fread(mFileName, 1, mFileNameLength, fp) != mFileNameLength) { - result = UNKNOWN_ERROR; - goto bail; - } - mFileName[mFileNameLength] = '\0'; - } - - /* grab extra field */ - if (mExtraFieldLength != 0) { - mExtraField = new unsigned char[mExtraFieldLength+1]; - if (mExtraField == NULL) { - result = NO_MEMORY; - goto bail; - } - if (fread(mExtraField, 1, mExtraFieldLength, fp) != mExtraFieldLength) { - result = UNKNOWN_ERROR; - goto bail; - } - mExtraField[mExtraFieldLength] = '\0'; - } - -bail: - return result; -} - -/* - * Write a local file header. - */ -status_t ZipEntry::LocalFileHeader::write(FILE* fp) -{ - unsigned char buf[kLFHLen]; - - ZipEntry::putLongLE(&buf[0x00], kSignature); - ZipEntry::putShortLE(&buf[0x04], mVersionToExtract); - ZipEntry::putShortLE(&buf[0x06], mGPBitFlag); - ZipEntry::putShortLE(&buf[0x08], mCompressionMethod); - ZipEntry::putShortLE(&buf[0x0a], mLastModFileTime); - ZipEntry::putShortLE(&buf[0x0c], mLastModFileDate); - ZipEntry::putLongLE(&buf[0x0e], mCRC32); - ZipEntry::putLongLE(&buf[0x12], mCompressedSize); - ZipEntry::putLongLE(&buf[0x16], mUncompressedSize); - ZipEntry::putShortLE(&buf[0x1a], mFileNameLength); - ZipEntry::putShortLE(&buf[0x1c], mExtraFieldLength); - - if (fwrite(buf, 1, kLFHLen, fp) != kLFHLen) - return UNKNOWN_ERROR; - - /* write filename */ - if (mFileNameLength != 0) { - if (fwrite(mFileName, 1, mFileNameLength, fp) != mFileNameLength) - return UNKNOWN_ERROR; - } - - /* write "extra field" */ - if (mExtraFieldLength != 0) { - if (fwrite(mExtraField, 1, mExtraFieldLength, fp) != mExtraFieldLength) - return UNKNOWN_ERROR; - } - - return NO_ERROR; -} - - -/* - * Dump the contents of a LocalFileHeader object. - */ -void ZipEntry::LocalFileHeader::dump(void) const -{ - LOGD(" LocalFileHeader contents:\n"); - LOGD(" versToExt=%u gpBits=0x%04x compression=%u\n", - mVersionToExtract, mGPBitFlag, mCompressionMethod); - LOGD(" modTime=0x%04x modDate=0x%04x crc32=0x%08lx\n", - mLastModFileTime, mLastModFileDate, mCRC32); - LOGD(" compressedSize=%lu uncompressedSize=%lu\n", - mCompressedSize, mUncompressedSize); - LOGD(" filenameLen=%u extraLen=%u\n", - mFileNameLength, mExtraFieldLength); - if (mFileName != NULL) - LOGD(" filename: '%s'\n", mFileName); -} - - -/* - * =========================================================================== - * ZipEntry::CentralDirEntry - * =========================================================================== - */ - -/* - * Read the central dir entry that appears next in the file. - * - * On entry, "fp" should be positioned on the signature bytes for the - * entry. On exit, "fp" will point at the signature word for the next - * entry or for the EOCD. - */ -status_t ZipEntry::CentralDirEntry::read(FILE* fp) -{ - status_t result = NO_ERROR; - unsigned char buf[kCDELen]; - - /* no re-use */ - assert(mFileName == NULL); - assert(mExtraField == NULL); - assert(mFileComment == NULL); - - if (fread(buf, 1, kCDELen, fp) != kCDELen) { - result = UNKNOWN_ERROR; - goto bail; - } - - if (ZipEntry::getLongLE(&buf[0x00]) != kSignature) { - LOGD("Whoops: didn't find expected signature\n"); - result = UNKNOWN_ERROR; - goto bail; - } - - mVersionMadeBy = ZipEntry::getShortLE(&buf[0x04]); - mVersionToExtract = ZipEntry::getShortLE(&buf[0x06]); - mGPBitFlag = ZipEntry::getShortLE(&buf[0x08]); - mCompressionMethod = ZipEntry::getShortLE(&buf[0x0a]); - mLastModFileTime = ZipEntry::getShortLE(&buf[0x0c]); - mLastModFileDate = ZipEntry::getShortLE(&buf[0x0e]); - mCRC32 = ZipEntry::getLongLE(&buf[0x10]); - mCompressedSize = ZipEntry::getLongLE(&buf[0x14]); - mUncompressedSize = ZipEntry::getLongLE(&buf[0x18]); - mFileNameLength = ZipEntry::getShortLE(&buf[0x1c]); - mExtraFieldLength = ZipEntry::getShortLE(&buf[0x1e]); - mFileCommentLength = ZipEntry::getShortLE(&buf[0x20]); - mDiskNumberStart = ZipEntry::getShortLE(&buf[0x22]); - mInternalAttrs = ZipEntry::getShortLE(&buf[0x24]); - mExternalAttrs = ZipEntry::getLongLE(&buf[0x26]); - mLocalHeaderRelOffset = ZipEntry::getLongLE(&buf[0x2a]); - - // TODO: validate sizes and offsets - - /* grab filename */ - if (mFileNameLength != 0) { - mFileName = new unsigned char[mFileNameLength+1]; - if (mFileName == NULL) { - result = NO_MEMORY; - goto bail; - } - if (fread(mFileName, 1, mFileNameLength, fp) != mFileNameLength) { - result = UNKNOWN_ERROR; - goto bail; - } - mFileName[mFileNameLength] = '\0'; - } - - /* read "extra field" */ - if (mExtraFieldLength != 0) { - mExtraField = new unsigned char[mExtraFieldLength+1]; - if (mExtraField == NULL) { - result = NO_MEMORY; - goto bail; - } - if (fread(mExtraField, 1, mExtraFieldLength, fp) != mExtraFieldLength) { - result = UNKNOWN_ERROR; - goto bail; - } - mExtraField[mExtraFieldLength] = '\0'; - } - - - /* grab comment, if any */ - if (mFileCommentLength != 0) { - mFileComment = new unsigned char[mFileCommentLength+1]; - if (mFileComment == NULL) { - result = NO_MEMORY; - goto bail; - } - if (fread(mFileComment, 1, mFileCommentLength, fp) != mFileCommentLength) - { - result = UNKNOWN_ERROR; - goto bail; - } - mFileComment[mFileCommentLength] = '\0'; - } - -bail: - return result; -} - -/* - * Write a central dir entry. - */ -status_t ZipEntry::CentralDirEntry::write(FILE* fp) -{ - unsigned char buf[kCDELen]; - - ZipEntry::putLongLE(&buf[0x00], kSignature); - ZipEntry::putShortLE(&buf[0x04], mVersionMadeBy); - ZipEntry::putShortLE(&buf[0x06], mVersionToExtract); - ZipEntry::putShortLE(&buf[0x08], mGPBitFlag); - ZipEntry::putShortLE(&buf[0x0a], mCompressionMethod); - ZipEntry::putShortLE(&buf[0x0c], mLastModFileTime); - ZipEntry::putShortLE(&buf[0x0e], mLastModFileDate); - ZipEntry::putLongLE(&buf[0x10], mCRC32); - ZipEntry::putLongLE(&buf[0x14], mCompressedSize); - ZipEntry::putLongLE(&buf[0x18], mUncompressedSize); - ZipEntry::putShortLE(&buf[0x1c], mFileNameLength); - ZipEntry::putShortLE(&buf[0x1e], mExtraFieldLength); - ZipEntry::putShortLE(&buf[0x20], mFileCommentLength); - ZipEntry::putShortLE(&buf[0x22], mDiskNumberStart); - ZipEntry::putShortLE(&buf[0x24], mInternalAttrs); - ZipEntry::putLongLE(&buf[0x26], mExternalAttrs); - ZipEntry::putLongLE(&buf[0x2a], mLocalHeaderRelOffset); - - if (fwrite(buf, 1, kCDELen, fp) != kCDELen) - return UNKNOWN_ERROR; - - /* write filename */ - if (mFileNameLength != 0) { - if (fwrite(mFileName, 1, mFileNameLength, fp) != mFileNameLength) - return UNKNOWN_ERROR; - } - - /* write "extra field" */ - if (mExtraFieldLength != 0) { - if (fwrite(mExtraField, 1, mExtraFieldLength, fp) != mExtraFieldLength) - return UNKNOWN_ERROR; - } - - /* write comment */ - if (mFileCommentLength != 0) { - if (fwrite(mFileComment, 1, mFileCommentLength, fp) != mFileCommentLength) - return UNKNOWN_ERROR; - } - - return NO_ERROR; -} - -/* - * Dump the contents of a CentralDirEntry object. - */ -void ZipEntry::CentralDirEntry::dump(void) const -{ - LOGD(" CentralDirEntry contents:\n"); - LOGD(" versMadeBy=%u versToExt=%u gpBits=0x%04x compression=%u\n", - mVersionMadeBy, mVersionToExtract, mGPBitFlag, mCompressionMethod); - LOGD(" modTime=0x%04x modDate=0x%04x crc32=0x%08lx\n", - mLastModFileTime, mLastModFileDate, mCRC32); - LOGD(" compressedSize=%lu uncompressedSize=%lu\n", - mCompressedSize, mUncompressedSize); - LOGD(" filenameLen=%u extraLen=%u commentLen=%u\n", - mFileNameLength, mExtraFieldLength, mFileCommentLength); - LOGD(" diskNumStart=%u intAttr=0x%04x extAttr=0x%08lx relOffset=%lu\n", - mDiskNumberStart, mInternalAttrs, mExternalAttrs, - mLocalHeaderRelOffset); - - if (mFileName != NULL) - LOGD(" filename: '%s'\n", mFileName); - if (mFileComment != NULL) - LOGD(" comment: '%s'\n", mFileComment); -} - diff --git a/libs/utils/ZipFile.cpp b/libs/utils/ZipFile.cpp deleted file mode 100644 index eaa0b208c..000000000 --- a/libs/utils/ZipFile.cpp +++ /dev/null @@ -1,1296 +0,0 @@ -/* - * Copyright (C) 2006 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. - */ - -// -// Access to Zip archives. -// - -#define LOG_TAG "zip" - -#include -#include -#include - -#include -#define DEF_MEM_LEVEL 8 // normally in zutil.h? - -#include -#include -#include -#include - -using namespace android; - -/* - * Some environments require the "b", some choke on it. - */ -#define FILE_OPEN_RO "rb" -#define FILE_OPEN_RW "r+b" -#define FILE_OPEN_RW_CREATE "w+b" - -/* should live somewhere else? */ -static status_t errnoToStatus(int err) -{ - if (err == ENOENT) - return NAME_NOT_FOUND; - else if (err == EACCES) - return PERMISSION_DENIED; - else - return UNKNOWN_ERROR; -} - -/* - * Open a file and parse its guts. - */ -status_t ZipFile::open(const char* zipFileName, int flags) -{ - bool newArchive = false; - - assert(mZipFp == NULL); // no reopen - - if ((flags & kOpenTruncate)) - flags |= kOpenCreate; // trunc implies create - - if ((flags & kOpenReadOnly) && (flags & kOpenReadWrite)) - return INVALID_OPERATION; // not both - if (!((flags & kOpenReadOnly) || (flags & kOpenReadWrite))) - return INVALID_OPERATION; // not neither - if ((flags & kOpenCreate) && !(flags & kOpenReadWrite)) - return INVALID_OPERATION; // create requires write - - if (flags & kOpenTruncate) { - newArchive = true; - } else { - newArchive = (access(zipFileName, F_OK) != 0); - if (!(flags & kOpenCreate) && newArchive) { - /* not creating, must already exist */ - LOGD("File %s does not exist", zipFileName); - return NAME_NOT_FOUND; - } - } - - /* open the file */ - const char* openflags; - if (flags & kOpenReadWrite) { - if (newArchive) - openflags = FILE_OPEN_RW_CREATE; - else - openflags = FILE_OPEN_RW; - } else { - openflags = FILE_OPEN_RO; - } - mZipFp = fopen(zipFileName, openflags); - if (mZipFp == NULL) { - int err = errno; - LOGD("fopen failed: %d\n", err); - return errnoToStatus(err); - } - - status_t result; - if (!newArchive) { - /* - * Load the central directory. If that fails, then this probably - * isn't a Zip archive. - */ - result = readCentralDir(); - } else { - /* - * Newly-created. The EndOfCentralDir constructor actually - * sets everything to be the way we want it (all zeroes). We - * set mNeedCDRewrite so that we create *something* if the - * caller doesn't add any files. (We could also just unlink - * the file if it's brand new and nothing was added, but that's - * probably doing more than we really should -- the user might - * have a need for empty zip files.) - */ - mNeedCDRewrite = true; - result = NO_ERROR; - } - - if (flags & kOpenReadOnly) - mReadOnly = true; - else - assert(!mReadOnly); - - return result; -} - -/* - * Return the Nth entry in the archive. - */ -ZipEntry* ZipFile::getEntryByIndex(int idx) const -{ - if (idx < 0 || idx >= (int) mEntries.size()) - return NULL; - - return mEntries[idx]; -} - -/* - * Find an entry by name. - */ -ZipEntry* ZipFile::getEntryByName(const char* fileName) const -{ - /* - * Do a stupid linear string-compare search. - * - * There are various ways to speed this up, especially since it's rare - * to intermingle changes to the archive with "get by name" calls. We - * don't want to sort the mEntries vector itself, however, because - * it's used to recreate the Central Directory. - * - * (Hash table works, parallel list of pointers in sorted order is good.) - */ - int idx; - - for (idx = mEntries.size()-1; idx >= 0; idx--) { - ZipEntry* pEntry = mEntries[idx]; - if (!pEntry->getDeleted() && - strcmp(fileName, pEntry->getFileName()) == 0) - { - return pEntry; - } - } - - return NULL; -} - -/* - * Empty the mEntries vector. - */ -void ZipFile::discardEntries(void) -{ - int count = mEntries.size(); - - while (--count >= 0) - delete mEntries[count]; - - mEntries.clear(); -} - - -/* - * Find the central directory and read the contents. - * - * The fun thing about ZIP archives is that they may or may not be - * readable from start to end. In some cases, notably for archives - * that were written to stdout, the only length information is in the - * central directory at the end of the file. - * - * Of course, the central directory can be followed by a variable-length - * comment field, so we have to scan through it backwards. The comment - * is at most 64K, plus we have 18 bytes for the end-of-central-dir stuff - * itself, plus apparently sometimes people throw random junk on the end - * just for the fun of it. - * - * This is all a little wobbly. If the wrong value ends up in the EOCD - * area, we're hosed. This appears to be the way that everbody handles - * it though, so we're in pretty good company if this fails. - */ -status_t ZipFile::readCentralDir(void) -{ - status_t result = NO_ERROR; - unsigned char* buf = NULL; - off_t fileLength, seekStart; - long readAmount; - int i; - - fseek(mZipFp, 0, SEEK_END); - fileLength = ftell(mZipFp); - rewind(mZipFp); - - /* too small to be a ZIP archive? */ - if (fileLength < EndOfCentralDir::kEOCDLen) { - LOGD("Length is %ld -- too small\n", (long)fileLength); - result = INVALID_OPERATION; - goto bail; - } - - buf = new unsigned char[EndOfCentralDir::kMaxEOCDSearch]; - if (buf == NULL) { - LOGD("Failure allocating %d bytes for EOCD search", - EndOfCentralDir::kMaxEOCDSearch); - result = NO_MEMORY; - goto bail; - } - - if (fileLength > EndOfCentralDir::kMaxEOCDSearch) { - seekStart = fileLength - EndOfCentralDir::kMaxEOCDSearch; - readAmount = EndOfCentralDir::kMaxEOCDSearch; - } else { - seekStart = 0; - readAmount = (long) fileLength; - } - if (fseek(mZipFp, seekStart, SEEK_SET) != 0) { - LOGD("Failure seeking to end of zip at %ld", (long) seekStart); - result = UNKNOWN_ERROR; - goto bail; - } - - /* read the last part of the file into the buffer */ - if (fread(buf, 1, readAmount, mZipFp) != (size_t) readAmount) { - LOGD("short file? wanted %ld\n", readAmount); - result = UNKNOWN_ERROR; - goto bail; - } - - /* find the end-of-central-dir magic */ - for (i = readAmount - 4; i >= 0; i--) { - if (buf[i] == 0x50 && - ZipEntry::getLongLE(&buf[i]) == EndOfCentralDir::kSignature) - { - LOGV("+++ Found EOCD at buf+%d\n", i); - break; - } - } - if (i < 0) { - LOGD("EOCD not found, not Zip\n"); - result = INVALID_OPERATION; - goto bail; - } - - /* extract eocd values */ - result = mEOCD.readBuf(buf + i, readAmount - i); - if (result != NO_ERROR) { - LOGD("Failure reading %ld bytes of EOCD values", readAmount - i); - goto bail; - } - //mEOCD.dump(); - - if (mEOCD.mDiskNumber != 0 || mEOCD.mDiskWithCentralDir != 0 || - mEOCD.mNumEntries != mEOCD.mTotalNumEntries) - { - LOGD("Archive spanning not supported\n"); - result = INVALID_OPERATION; - goto bail; - } - - /* - * So far so good. "mCentralDirSize" is the size in bytes of the - * central directory, so we can just seek back that far to find it. - * We can also seek forward mCentralDirOffset bytes from the - * start of the file. - * - * We're not guaranteed to have the rest of the central dir in the - * buffer, nor are we guaranteed that the central dir will have any - * sort of convenient size. We need to skip to the start of it and - * read the header, then the other goodies. - * - * The only thing we really need right now is the file comment, which - * we're hoping to preserve. - */ - if (fseek(mZipFp, mEOCD.mCentralDirOffset, SEEK_SET) != 0) { - LOGD("Failure seeking to central dir offset %ld\n", - mEOCD.mCentralDirOffset); - result = UNKNOWN_ERROR; - goto bail; - } - - /* - * Loop through and read the central dir entries. - */ - LOGV("Scanning %d entries...\n", mEOCD.mTotalNumEntries); - int entry; - for (entry = 0; entry < mEOCD.mTotalNumEntries; entry++) { - ZipEntry* pEntry = new ZipEntry; - - result = pEntry->initFromCDE(mZipFp); - if (result != NO_ERROR) { - LOGD("initFromCDE failed\n"); - delete pEntry; - goto bail; - } - - mEntries.add(pEntry); - } - - - /* - * If all went well, we should now be back at the EOCD. - */ - { - unsigned char checkBuf[4]; - if (fread(checkBuf, 1, 4, mZipFp) != 4) { - LOGD("EOCD check read failed\n"); - result = INVALID_OPERATION; - goto bail; - } - if (ZipEntry::getLongLE(checkBuf) != EndOfCentralDir::kSignature) { - LOGD("EOCD read check failed\n"); - result = UNKNOWN_ERROR; - goto bail; - } - LOGV("+++ EOCD read check passed\n"); - } - -bail: - delete[] buf; - return result; -} - - -/* - * Add a new file to the archive. - * - * This requires creating and populating a ZipEntry structure, and copying - * the data into the file at the appropriate position. The "appropriate - * position" is the current location of the central directory, which we - * casually overwrite (we can put it back later). - * - * If we were concerned about safety, we would want to make all changes - * in a temp file and then overwrite the original after everything was - * safely written. Not really a concern for us. - */ -status_t ZipFile::addCommon(const char* fileName, const void* data, size_t size, - const char* storageName, int sourceType, int compressionMethod, - ZipEntry** ppEntry) -{ - ZipEntry* pEntry = NULL; - status_t result = NO_ERROR; - long lfhPosn, startPosn, endPosn, uncompressedLen; - FILE* inputFp = NULL; - unsigned long crc; - time_t modWhen; - - if (mReadOnly) - return INVALID_OPERATION; - - assert(compressionMethod == ZipEntry::kCompressDeflated || - compressionMethod == ZipEntry::kCompressStored); - - /* make sure we're in a reasonable state */ - assert(mZipFp != NULL); - assert(mEntries.size() == mEOCD.mTotalNumEntries); - - /* make sure it doesn't already exist */ - if (getEntryByName(storageName) != NULL) - return ALREADY_EXISTS; - - if (!data) { - inputFp = fopen(fileName, FILE_OPEN_RO); - if (inputFp == NULL) - return errnoToStatus(errno); - } - - if (fseek(mZipFp, mEOCD.mCentralDirOffset, SEEK_SET) != 0) { - result = UNKNOWN_ERROR; - goto bail; - } - - pEntry = new ZipEntry; - pEntry->initNew(storageName, NULL); - - /* - * From here on out, failures are more interesting. - */ - mNeedCDRewrite = true; - - /* - * Write the LFH, even though it's still mostly blank. We need it - * as a place-holder. In theory the LFH isn't necessary, but in - * practice some utilities demand it. - */ - lfhPosn = ftell(mZipFp); - pEntry->mLFH.write(mZipFp); - startPosn = ftell(mZipFp); - - /* - * Copy the data in, possibly compressing it as we go. - */ - if (sourceType == ZipEntry::kCompressStored) { - if (compressionMethod == ZipEntry::kCompressDeflated) { - bool failed = false; - result = compressFpToFp(mZipFp, inputFp, data, size, &crc); - if (result != NO_ERROR) { - LOGD("compression failed, storing\n"); - failed = true; - } else { - /* - * Make sure it has compressed "enough". This probably ought - * to be set through an API call, but I don't expect our - * criteria to change over time. - */ - long src = inputFp ? ftell(inputFp) : size; - long dst = ftell(mZipFp) - startPosn; - if (dst + (dst / 10) > src) { - LOGD("insufficient compression (src=%ld dst=%ld), storing\n", - src, dst); - failed = true; - } - } - - if (failed) { - compressionMethod = ZipEntry::kCompressStored; - if (inputFp) rewind(inputFp); - fseek(mZipFp, startPosn, SEEK_SET); - /* fall through to kCompressStored case */ - } - } - /* handle "no compression" request, or failed compression from above */ - if (compressionMethod == ZipEntry::kCompressStored) { - if (inputFp) { - result = copyFpToFp(mZipFp, inputFp, &crc); - } else { - result = copyDataToFp(mZipFp, data, size, &crc); - } - if (result != NO_ERROR) { - // don't need to truncate; happens in CDE rewrite - LOGD("failed copying data in\n"); - goto bail; - } - } - - // currently seeked to end of file - uncompressedLen = inputFp ? ftell(inputFp) : size; - } else if (sourceType == ZipEntry::kCompressDeflated) { - /* we should support uncompressed-from-compressed, but it's not - * important right now */ - assert(compressionMethod == ZipEntry::kCompressDeflated); - - bool scanResult; - int method; - long compressedLen; - - scanResult = ZipUtils::examineGzip(inputFp, &method, &uncompressedLen, - &compressedLen, &crc); - if (!scanResult || method != ZipEntry::kCompressDeflated) { - LOGD("this isn't a deflated gzip file?"); - result = UNKNOWN_ERROR; - goto bail; - } - - result = copyPartialFpToFp(mZipFp, inputFp, compressedLen, NULL); - if (result != NO_ERROR) { - LOGD("failed copying gzip data in\n"); - goto bail; - } - } else { - assert(false); - result = UNKNOWN_ERROR; - goto bail; - } - - /* - * We could write the "Data Descriptor", but there doesn't seem to - * be any point since we're going to go back and write the LFH. - * - * Update file offsets. - */ - endPosn = ftell(mZipFp); // seeked to end of compressed data - - /* - * Success! Fill out new values. - */ - pEntry->setDataInfo(uncompressedLen, endPosn - startPosn, crc, - compressionMethod); - modWhen = getModTime(inputFp ? fileno(inputFp) : fileno(mZipFp)); - pEntry->setModWhen(modWhen); - pEntry->setLFHOffset(lfhPosn); - mEOCD.mNumEntries++; - mEOCD.mTotalNumEntries++; - mEOCD.mCentralDirSize = 0; // mark invalid; set by flush() - mEOCD.mCentralDirOffset = endPosn; - - /* - * Go back and write the LFH. - */ - if (fseek(mZipFp, lfhPosn, SEEK_SET) != 0) { - result = UNKNOWN_ERROR; - goto bail; - } - pEntry->mLFH.write(mZipFp); - - /* - * Add pEntry to the list. - */ - mEntries.add(pEntry); - if (ppEntry != NULL) - *ppEntry = pEntry; - pEntry = NULL; - -bail: - if (inputFp != NULL) - fclose(inputFp); - delete pEntry; - return result; -} - -/* - * Add an entry by copying it from another zip file. If "padding" is - * nonzero, the specified number of bytes will be added to the "extra" - * field in the header. - * - * If "ppEntry" is non-NULL, a pointer to the new entry will be returned. - */ -status_t ZipFile::add(const ZipFile* pSourceZip, const ZipEntry* pSourceEntry, - int padding, ZipEntry** ppEntry) -{ - ZipEntry* pEntry = NULL; - status_t result; - long lfhPosn, endPosn; - - if (mReadOnly) - return INVALID_OPERATION; - - /* make sure we're in a reasonable state */ - assert(mZipFp != NULL); - assert(mEntries.size() == mEOCD.mTotalNumEntries); - - if (fseek(mZipFp, mEOCD.mCentralDirOffset, SEEK_SET) != 0) { - result = UNKNOWN_ERROR; - goto bail; - } - - pEntry = new ZipEntry; - if (pEntry == NULL) { - result = NO_MEMORY; - goto bail; - } - - result = pEntry->initFromExternal(pSourceZip, pSourceEntry); - if (result != NO_ERROR) - goto bail; - if (padding != 0) { - result = pEntry->addPadding(padding); - if (result != NO_ERROR) - goto bail; - } - - /* - * From here on out, failures are more interesting. - */ - mNeedCDRewrite = true; - - /* - * Write the LFH. Since we're not recompressing the data, we already - * have all of the fields filled out. - */ - lfhPosn = ftell(mZipFp); - pEntry->mLFH.write(mZipFp); - - /* - * Copy the data over. - * - * If the "has data descriptor" flag is set, we want to copy the DD - * fields as well. This is a fixed-size area immediately following - * the data. - */ - if (fseek(pSourceZip->mZipFp, pSourceEntry->getFileOffset(), SEEK_SET) != 0) - { - result = UNKNOWN_ERROR; - goto bail; - } - - off_t copyLen; - copyLen = pSourceEntry->getCompressedLen(); - if ((pSourceEntry->mLFH.mGPBitFlag & ZipEntry::kUsesDataDescr) != 0) - copyLen += ZipEntry::kDataDescriptorLen; - - if (copyPartialFpToFp(mZipFp, pSourceZip->mZipFp, copyLen, NULL) - != NO_ERROR) - { - LOGW("copy of '%s' failed\n", pEntry->mCDE.mFileName); - result = UNKNOWN_ERROR; - goto bail; - } - - /* - * Update file offsets. - */ - endPosn = ftell(mZipFp); - - /* - * Success! Fill out new values. - */ - pEntry->setLFHOffset(lfhPosn); // sets mCDE.mLocalHeaderRelOffset - mEOCD.mNumEntries++; - mEOCD.mTotalNumEntries++; - mEOCD.mCentralDirSize = 0; // mark invalid; set by flush() - mEOCD.mCentralDirOffset = endPosn; - - /* - * Add pEntry to the list. - */ - mEntries.add(pEntry); - if (ppEntry != NULL) - *ppEntry = pEntry; - pEntry = NULL; - - result = NO_ERROR; - -bail: - delete pEntry; - return result; -} - -/* - * Copy all of the bytes in "src" to "dst". - * - * On exit, "srcFp" will be seeked to the end of the file, and "dstFp" - * will be seeked immediately past the data. - */ -status_t ZipFile::copyFpToFp(FILE* dstFp, FILE* srcFp, unsigned long* pCRC32) -{ - unsigned char tmpBuf[32768]; - size_t count; - - *pCRC32 = crc32(0L, Z_NULL, 0); - - while (1) { - count = fread(tmpBuf, 1, sizeof(tmpBuf), srcFp); - if (ferror(srcFp) || ferror(dstFp)) - return errnoToStatus(errno); - if (count == 0) - break; - - *pCRC32 = crc32(*pCRC32, tmpBuf, count); - - if (fwrite(tmpBuf, 1, count, dstFp) != count) { - LOGD("fwrite %d bytes failed\n", (int) count); - return UNKNOWN_ERROR; - } - } - - return NO_ERROR; -} - -/* - * Copy all of the bytes in "src" to "dst". - * - * On exit, "dstFp" will be seeked immediately past the data. - */ -status_t ZipFile::copyDataToFp(FILE* dstFp, - const void* data, size_t size, unsigned long* pCRC32) -{ - size_t count; - - *pCRC32 = crc32(0L, Z_NULL, 0); - if (size > 0) { - *pCRC32 = crc32(*pCRC32, (const unsigned char*)data, size); - if (fwrite(data, 1, size, dstFp) != size) { - LOGD("fwrite %d bytes failed\n", (int) size); - return UNKNOWN_ERROR; - } - } - - return NO_ERROR; -} - -/* - * Copy some of the bytes in "src" to "dst". - * - * If "pCRC32" is NULL, the CRC will not be computed. - * - * On exit, "srcFp" will be seeked to the end of the file, and "dstFp" - * will be seeked immediately past the data just written. - */ -status_t ZipFile::copyPartialFpToFp(FILE* dstFp, FILE* srcFp, long length, - unsigned long* pCRC32) -{ - unsigned char tmpBuf[32768]; - size_t count; - - if (pCRC32 != NULL) - *pCRC32 = crc32(0L, Z_NULL, 0); - - while (length) { - long readSize; - - readSize = sizeof(tmpBuf); - if (readSize > length) - readSize = length; - - count = fread(tmpBuf, 1, readSize, srcFp); - if ((long) count != readSize) { // error or unexpected EOF - LOGD("fread %d bytes failed\n", (int) readSize); - return UNKNOWN_ERROR; - } - - if (pCRC32 != NULL) - *pCRC32 = crc32(*pCRC32, tmpBuf, count); - - if (fwrite(tmpBuf, 1, count, dstFp) != count) { - LOGD("fwrite %d bytes failed\n", (int) count); - return UNKNOWN_ERROR; - } - - length -= readSize; - } - - return NO_ERROR; -} - -/* - * Compress all of the data in "srcFp" and write it to "dstFp". - * - * On exit, "srcFp" will be seeked to the end of the file, and "dstFp" - * will be seeked immediately past the compressed data. - */ -status_t ZipFile::compressFpToFp(FILE* dstFp, FILE* srcFp, - const void* data, size_t size, unsigned long* pCRC32) -{ - status_t result = NO_ERROR; - const size_t kBufSize = 32768; - unsigned char* inBuf = NULL; - unsigned char* outBuf = NULL; - z_stream zstream; - bool atEof = false; // no feof() aviailable yet - unsigned long crc; - int zerr; - - /* - * Create an input buffer and an output buffer. - */ - inBuf = new unsigned char[kBufSize]; - outBuf = new unsigned char[kBufSize]; - if (inBuf == NULL || outBuf == NULL) { - result = NO_MEMORY; - goto bail; - } - - /* - * Initialize the zlib stream. - */ - memset(&zstream, 0, sizeof(zstream)); - zstream.zalloc = Z_NULL; - zstream.zfree = Z_NULL; - zstream.opaque = Z_NULL; - zstream.next_in = NULL; - zstream.avail_in = 0; - zstream.next_out = outBuf; - zstream.avail_out = kBufSize; - zstream.data_type = Z_UNKNOWN; - - zerr = deflateInit2(&zstream, Z_BEST_COMPRESSION, - Z_DEFLATED, -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY); - if (zerr != Z_OK) { - result = UNKNOWN_ERROR; - if (zerr == Z_VERSION_ERROR) { - LOGE("Installed zlib is not compatible with linked version (%s)\n", - ZLIB_VERSION); - } else { - LOGD("Call to deflateInit2 failed (zerr=%d)\n", zerr); - } - goto bail; - } - - crc = crc32(0L, Z_NULL, 0); - - /* - * Loop while we have data. - */ - do { - size_t getSize; - int flush; - - /* only read if the input buffer is empty */ - if (zstream.avail_in == 0 && !atEof) { - LOGV("+++ reading %d bytes\n", (int)kBufSize); - if (data) { - getSize = size > kBufSize ? kBufSize : size; - memcpy(inBuf, data, getSize); - data = ((const char*)data) + getSize; - size -= getSize; - } else { - getSize = fread(inBuf, 1, kBufSize, srcFp); - if (ferror(srcFp)) { - LOGD("deflate read failed (errno=%d)\n", errno); - goto z_bail; - } - } - if (getSize < kBufSize) { - LOGV("+++ got %d bytes, EOF reached\n", - (int)getSize); - atEof = true; - } - - crc = crc32(crc, inBuf, getSize); - - zstream.next_in = inBuf; - zstream.avail_in = getSize; - } - - if (atEof) - flush = Z_FINISH; /* tell zlib that we're done */ - else - flush = Z_NO_FLUSH; /* more to come! */ - - zerr = deflate(&zstream, flush); - if (zerr != Z_OK && zerr != Z_STREAM_END) { - LOGD("zlib deflate call failed (zerr=%d)\n", zerr); - result = UNKNOWN_ERROR; - goto z_bail; - } - - /* write when we're full or when we're done */ - if (zstream.avail_out == 0 || - (zerr == Z_STREAM_END && zstream.avail_out != (uInt) kBufSize)) - { - LOGV("+++ writing %d bytes\n", (int) (zstream.next_out - outBuf)); - if (fwrite(outBuf, 1, zstream.next_out - outBuf, dstFp) != - (size_t)(zstream.next_out - outBuf)) - { - LOGD("write %d failed in deflate\n", - (int) (zstream.next_out - outBuf)); - goto z_bail; - } - - zstream.next_out = outBuf; - zstream.avail_out = kBufSize; - } - } while (zerr == Z_OK); - - assert(zerr == Z_STREAM_END); /* other errors should've been caught */ - - *pCRC32 = crc; - -z_bail: - deflateEnd(&zstream); /* free up any allocated structures */ - -bail: - delete[] inBuf; - delete[] outBuf; - - return result; -} - -/* - * Mark an entry as deleted. - * - * We will eventually need to crunch the file down, but if several files - * are being removed (perhaps as part of an "update" process) we can make - * things considerably faster by deferring the removal to "flush" time. - */ -status_t ZipFile::remove(ZipEntry* pEntry) -{ - /* - * Should verify that pEntry is actually part of this archive, and - * not some stray ZipEntry from a different file. - */ - - /* mark entry as deleted, and mark archive as dirty */ - pEntry->setDeleted(); - mNeedCDRewrite = true; - return NO_ERROR; -} - -/* - * Flush any pending writes. - * - * In particular, this will crunch out deleted entries, and write the - * Central Directory and EOCD if we have stomped on them. - */ -status_t ZipFile::flush(void) -{ - status_t result = NO_ERROR; - long eocdPosn; - int i, count; - - if (mReadOnly) - return INVALID_OPERATION; - if (!mNeedCDRewrite) - return NO_ERROR; - - assert(mZipFp != NULL); - - result = crunchArchive(); - if (result != NO_ERROR) - return result; - - if (fseek(mZipFp, mEOCD.mCentralDirOffset, SEEK_SET) != 0) - return UNKNOWN_ERROR; - - count = mEntries.size(); - for (i = 0; i < count; i++) { - ZipEntry* pEntry = mEntries[i]; - pEntry->mCDE.write(mZipFp); - } - - eocdPosn = ftell(mZipFp); - mEOCD.mCentralDirSize = eocdPosn - mEOCD.mCentralDirOffset; - - mEOCD.write(mZipFp); - - /* - * If we had some stuff bloat up during compression and get replaced - * with plain files, or if we deleted some entries, there's a lot - * of wasted space at the end of the file. Remove it now. - */ - if (ftruncate(fileno(mZipFp), ftell(mZipFp)) != 0) { - LOGW("ftruncate failed %ld: %s\n", ftell(mZipFp), strerror(errno)); - // not fatal - } - - /* should we clear the "newly added" flag in all entries now? */ - - mNeedCDRewrite = false; - return NO_ERROR; -} - -/* - * Crunch deleted files out of an archive by shifting the later files down. - * - * Because we're not using a temp file, we do the operation inside the - * current file. - */ -status_t ZipFile::crunchArchive(void) -{ - status_t result = NO_ERROR; - int i, count; - long delCount, adjust; - -#if 0 - printf("CONTENTS:\n"); - for (i = 0; i < (int) mEntries.size(); i++) { - printf(" %d: lfhOff=%ld del=%d\n", - i, mEntries[i]->getLFHOffset(), mEntries[i]->getDeleted()); - } - printf(" END is %ld\n", (long) mEOCD.mCentralDirOffset); -#endif - - /* - * Roll through the set of files, shifting them as appropriate. We - * could probably get a slight performance improvement by sliding - * multiple files down at once (because we could use larger reads - * when operating on batches of small files), but it's not that useful. - */ - count = mEntries.size(); - delCount = adjust = 0; - for (i = 0; i < count; i++) { - ZipEntry* pEntry = mEntries[i]; - long span; - - if (pEntry->getLFHOffset() != 0) { - long nextOffset; - - /* Get the length of this entry by finding the offset - * of the next entry. Directory entries don't have - * file offsets, so we need to find the next non-directory - * entry. - */ - nextOffset = 0; - for (int ii = i+1; nextOffset == 0 && ii < count; ii++) - nextOffset = mEntries[ii]->getLFHOffset(); - if (nextOffset == 0) - nextOffset = mEOCD.mCentralDirOffset; - span = nextOffset - pEntry->getLFHOffset(); - - assert(span >= ZipEntry::LocalFileHeader::kLFHLen); - } else { - /* This is a directory entry. It doesn't have - * any actual file contents, so there's no need to - * move anything. - */ - span = 0; - } - - //printf("+++ %d: off=%ld span=%ld del=%d [count=%d]\n", - // i, pEntry->getLFHOffset(), span, pEntry->getDeleted(), count); - - if (pEntry->getDeleted()) { - adjust += span; - delCount++; - - delete pEntry; - mEntries.removeAt(i); - - /* adjust loop control */ - count--; - i--; - } else if (span != 0 && adjust > 0) { - /* shuffle this entry back */ - //printf("+++ Shuffling '%s' back %ld\n", - // pEntry->getFileName(), adjust); - result = filemove(mZipFp, pEntry->getLFHOffset() - adjust, - pEntry->getLFHOffset(), span); - if (result != NO_ERROR) { - /* this is why you use a temp file */ - LOGE("error during crunch - archive is toast\n"); - return result; - } - - pEntry->setLFHOffset(pEntry->getLFHOffset() - adjust); - } - } - - /* - * Fix EOCD info. We have to wait until the end to do some of this - * because we use mCentralDirOffset to determine "span" for the - * last entry. - */ - mEOCD.mCentralDirOffset -= adjust; - mEOCD.mNumEntries -= delCount; - mEOCD.mTotalNumEntries -= delCount; - mEOCD.mCentralDirSize = 0; // mark invalid; set by flush() - - assert(mEOCD.mNumEntries == mEOCD.mTotalNumEntries); - assert(mEOCD.mNumEntries == count); - - return result; -} - -/* - * Works like memmove(), but on pieces of a file. - */ -status_t ZipFile::filemove(FILE* fp, off_t dst, off_t src, size_t n) -{ - if (dst == src || n <= 0) - return NO_ERROR; - - unsigned char readBuf[32768]; - - if (dst < src) { - /* shift stuff toward start of file; must read from start */ - while (n != 0) { - size_t getSize = sizeof(readBuf); - if (getSize > n) - getSize = n; - - if (fseek(fp, (long) src, SEEK_SET) != 0) { - LOGD("filemove src seek %ld failed\n", (long) src); - return UNKNOWN_ERROR; - } - - if (fread(readBuf, 1, getSize, fp) != getSize) { - LOGD("filemove read %ld off=%ld failed\n", - (long) getSize, (long) src); - return UNKNOWN_ERROR; - } - - if (fseek(fp, (long) dst, SEEK_SET) != 0) { - LOGD("filemove dst seek %ld failed\n", (long) dst); - return UNKNOWN_ERROR; - } - - if (fwrite(readBuf, 1, getSize, fp) != getSize) { - LOGD("filemove write %ld off=%ld failed\n", - (long) getSize, (long) dst); - return UNKNOWN_ERROR; - } - - src += getSize; - dst += getSize; - n -= getSize; - } - } else { - /* shift stuff toward end of file; must read from end */ - assert(false); // write this someday, maybe - return UNKNOWN_ERROR; - } - - return NO_ERROR; -} - - -/* - * Get the modification time from a file descriptor. - */ -time_t ZipFile::getModTime(int fd) -{ - struct stat sb; - - if (fstat(fd, &sb) < 0) { - LOGD("HEY: fstat on fd %d failed\n", fd); - return (time_t) -1; - } - - return sb.st_mtime; -} - - -#if 0 /* this is a bad idea */ -/* - * Get a copy of the Zip file descriptor. - * - * We don't allow this if the file was opened read-write because we tend - * to leave the file contents in an uncertain state between calls to - * flush(). The duplicated file descriptor should only be valid for reads. - */ -int ZipFile::getZipFd(void) const -{ - if (!mReadOnly) - return INVALID_OPERATION; - assert(mZipFp != NULL); - - int fd; - fd = dup(fileno(mZipFp)); - if (fd < 0) { - LOGD("didn't work, errno=%d\n", errno); - } - - return fd; -} -#endif - - -#if 0 -/* - * Expand data. - */ -bool ZipFile::uncompress(const ZipEntry* pEntry, void* buf) const -{ - return false; -} -#endif - -// free the memory when you're done -void* ZipFile::uncompress(const ZipEntry* entry) -{ - size_t unlen = entry->getUncompressedLen(); - size_t clen = entry->getCompressedLen(); - - void* buf = malloc(unlen); - if (buf == NULL) { - return NULL; - } - - fseek(mZipFp, 0, SEEK_SET); - - off_t offset = entry->getFileOffset(); - if (fseek(mZipFp, offset, SEEK_SET) != 0) { - goto bail; - } - - switch (entry->getCompressionMethod()) - { - case ZipEntry::kCompressStored: { - ssize_t amt = fread(buf, 1, unlen, mZipFp); - if (amt != (ssize_t)unlen) { - goto bail; - } -#if 0 - printf("data...\n"); - const unsigned char* p = (unsigned char*)buf; - const unsigned char* end = p+unlen; - for (int i=0; i<32 && p < end; i++) { - printf("0x%08x ", (int)(offset+(i*0x10))); - for (int j=0; j<0x10 && p < end; j++) { - printf(" %02x", *p); - p++; - } - printf("\n"); - } -#endif - - } - break; - case ZipEntry::kCompressDeflated: { - if (!ZipUtils::inflateToBuffer(mZipFp, buf, unlen, clen)) { - goto bail; - } - } - break; - default: - goto bail; - } - return buf; - -bail: - free(buf); - return NULL; -} - - -/* - * =========================================================================== - * ZipFile::EndOfCentralDir - * =========================================================================== - */ - -/* - * Read the end-of-central-dir fields. - * - * "buf" should be positioned at the EOCD signature, and should contain - * the entire EOCD area including the comment. - */ -status_t ZipFile::EndOfCentralDir::readBuf(const unsigned char* buf, int len) -{ - /* don't allow re-use */ - assert(mComment == NULL); - - if (len < kEOCDLen) { - /* looks like ZIP file got truncated */ - LOGD(" Zip EOCD: expected >= %d bytes, found %d\n", - kEOCDLen, len); - return INVALID_OPERATION; - } - - /* this should probably be an assert() */ - if (ZipEntry::getLongLE(&buf[0x00]) != kSignature) - return UNKNOWN_ERROR; - - mDiskNumber = ZipEntry::getShortLE(&buf[0x04]); - mDiskWithCentralDir = ZipEntry::getShortLE(&buf[0x06]); - mNumEntries = ZipEntry::getShortLE(&buf[0x08]); - mTotalNumEntries = ZipEntry::getShortLE(&buf[0x0a]); - mCentralDirSize = ZipEntry::getLongLE(&buf[0x0c]); - mCentralDirOffset = ZipEntry::getLongLE(&buf[0x10]); - mCommentLen = ZipEntry::getShortLE(&buf[0x14]); - - // TODO: validate mCentralDirOffset - - if (mCommentLen > 0) { - if (kEOCDLen + mCommentLen > len) { - LOGD("EOCD(%d) + comment(%d) exceeds len (%d)\n", - kEOCDLen, mCommentLen, len); - return UNKNOWN_ERROR; - } - mComment = new unsigned char[mCommentLen]; - memcpy(mComment, buf + kEOCDLen, mCommentLen); - } - - return NO_ERROR; -} - -/* - * Write an end-of-central-directory section. - */ -status_t ZipFile::EndOfCentralDir::write(FILE* fp) -{ - unsigned char buf[kEOCDLen]; - - ZipEntry::putLongLE(&buf[0x00], kSignature); - ZipEntry::putShortLE(&buf[0x04], mDiskNumber); - ZipEntry::putShortLE(&buf[0x06], mDiskWithCentralDir); - ZipEntry::putShortLE(&buf[0x08], mNumEntries); - ZipEntry::putShortLE(&buf[0x0a], mTotalNumEntries); - ZipEntry::putLongLE(&buf[0x0c], mCentralDirSize); - ZipEntry::putLongLE(&buf[0x10], mCentralDirOffset); - ZipEntry::putShortLE(&buf[0x14], mCommentLen); - - if (fwrite(buf, 1, kEOCDLen, fp) != kEOCDLen) - return UNKNOWN_ERROR; - if (mCommentLen > 0) { - assert(mComment != NULL); - if (fwrite(mComment, mCommentLen, 1, fp) != mCommentLen) - return UNKNOWN_ERROR; - } - - return NO_ERROR; -} - -/* - * Dump the contents of an EndOfCentralDir object. - */ -void ZipFile::EndOfCentralDir::dump(void) const -{ - LOGD(" EndOfCentralDir contents:\n"); - LOGD(" diskNum=%u diskWCD=%u numEnt=%u totalNumEnt=%u\n", - mDiskNumber, mDiskWithCentralDir, mNumEntries, mTotalNumEntries); - LOGD(" centDirSize=%lu centDirOff=%lu commentLen=%u\n", - mCentralDirSize, mCentralDirOffset, mCommentLen); -} -