break dependency on utils/ZipEntry.h and utils/ZipFile.h, get rid of inet_address.h and Socket.h which were not used
diff --git a/include/utils/Socket.h b/include/utils/Socket.h
deleted file mode 100644
index 8b7f406..0000000
--- 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 <utils/inet_address.h>
-#include <sys/types.h>
-
-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 e4698df..0000000
--- 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 <stdlib.h>
-#include <stdio.h>
-
-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 44df5bb..0000000
--- 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 <stdio.h>
-
-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 <uncompressed len> 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<ZipEntry*> 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 dbd8672..0000000
--- 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 6605c9f..70d4407 100644
--- a/libs/utils/Android.mk
+++ b/libs/utils/Android.mk
@@ -44,26 +44,13 @@
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 @@
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 # 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 39a0a68..0000000
--- 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 <winsock2.h>
-#else
-# include <sys/types.h>
-# include <sys/socket.h>
-# include <netinet/in.h>
-//# include <arpa/inet.h>
-# include <netdb.h>
-#endif
-
-#include <utils/inet_address.h>
-#include <utils/threads.h>
-#include <utils/Log.h>
-
-#include <errno.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <assert.h>
-
-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 51509a3..0000000
--- 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 <sys/types.h>.
-# include <winsock2.h>
-#endif
-
-#include <utils/Socket.h>
-#include <utils/inet_address.h>
-#include <utils/Log.h>
-#include <utils/Timers.h>
-
-#ifndef HAVE_WINSOCK
-# include <sys/types.h>
-# include <sys/socket.h>
-# include <netinet/in.h>
-# include <arpa/inet.h>
-#endif
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <unistd.h>
-#include <string.h>
-#include <errno.h>
-#include <assert.h>
-
-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 96f9fc4..0000000
--- 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 <utils/ZipEntry.h>
-#include <utils/Log.h>
-
-#include <stdio.h>
-#include <string.h>
-#include <assert.h>
-
-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 eaa0b20..0000000
--- 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 <utils/ZipFile.h>
-#include <utils/ZipUtils.h>
-#include <utils/Log.h>
-
-#include <zlib.h>
-#define DEF_MEM_LEVEL 8 // normally in zutil.h?
-
-#include <memory.h>
-#include <sys/stat.h>
-#include <errno.h>
-#include <assert.h>
-
-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);
-}
-