summaryrefslogtreecommitdiffstats
path: root/include/iprt/zip.h
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 16:49:04 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 16:49:04 +0000
commit16f504a9dca3fe3b70568f67b7d41241ae485288 (patch)
treec60f36ada0496ba928b7161059ba5ab1ab224f9d /include/iprt/zip.h
parentInitial commit. (diff)
downloadvirtualbox-16f504a9dca3fe3b70568f67b7d41241ae485288.tar.xz
virtualbox-16f504a9dca3fe3b70568f67b7d41241ae485288.zip
Adding upstream version 7.0.6-dfsg.upstream/7.0.6-dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--include/iprt/zip.h533
1 files changed, 533 insertions, 0 deletions
diff --git a/include/iprt/zip.h b/include/iprt/zip.h
new file mode 100644
index 00000000..4dc1ee19
--- /dev/null
+++ b/include/iprt/zip.h
@@ -0,0 +1,533 @@
+/** @file
+ * IPRT - Compression.
+ */
+
+/*
+ * Copyright (C) 2006-2022 Oracle and/or its affiliates.
+ *
+ * This file is part of VirtualBox base platform packages, as
+ * available from https://www.virtualbox.org.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, in version 3 of the
+ * License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <https://www.gnu.org/licenses>.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
+ * in the VirtualBox distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
+ */
+
+#ifndef IPRT_INCLUDED_zip_h
+#define IPRT_INCLUDED_zip_h
+#ifndef RT_WITHOUT_PRAGMA_ONCE
+# pragma once
+#endif
+
+#include <iprt/cdefs.h>
+#include <iprt/types.h>
+
+RT_C_DECLS_BEGIN
+
+/** @defgroup grp_rt_zip RTZip - Compression
+ * @ingroup grp_rt
+ * @{
+ */
+
+
+
+/**
+ * Callback function for consuming compressed data during compression.
+ *
+ * @returns iprt status code.
+ * @param pvUser User argument.
+ * @param pvBuf Compressed data.
+ * @param cbBuf Size of the compressed data.
+ */
+typedef DECLCALLBACKTYPE(int, FNRTZIPOUT,(void *pvUser, const void *pvBuf, size_t cbBuf));
+/** Pointer to FNRTZIPOUT() function. */
+typedef FNRTZIPOUT *PFNRTZIPOUT;
+
+/**
+ * Callback function for supplying compressed data during decompression.
+ *
+ * @returns iprt status code.
+ * @param pvUser User argument.
+ * @param pvBuf Where to store the compressed data.
+ * @param cbBuf Size of the buffer.
+ * @param pcbBuf Number of bytes actually stored in the buffer.
+ */
+typedef DECLCALLBACKTYPE(int, FNRTZIPIN,(void *pvUser, void *pvBuf, size_t cbBuf, size_t *pcbBuf));
+/** Pointer to FNRTZIPIN() function. */
+typedef FNRTZIPIN *PFNRTZIPIN;
+
+/**
+ * Compression type.
+ * (Be careful with these they are stored in files!)
+ */
+typedef enum RTZIPTYPE
+{
+ /** Invalid. */
+ RTZIPTYPE_INVALID = 0,
+ /** Choose best fitting one. */
+ RTZIPTYPE_AUTO,
+ /** Store the data. */
+ RTZIPTYPE_STORE,
+ /** Zlib compression the data. */
+ RTZIPTYPE_ZLIB,
+ /** BZlib compress. */
+ RTZIPTYPE_BZLIB,
+ /** libLZF compress. */
+ RTZIPTYPE_LZF,
+ /** Lempel-Ziv-Jeff-Bonwick compression. */
+ RTZIPTYPE_LZJB,
+ /** Lempel-Ziv-Oberhumer compression. */
+ RTZIPTYPE_LZO,
+ /* Zlib compression the data without zlib header. */
+ RTZIPTYPE_ZLIB_NO_HEADER,
+ /** End of valid the valid compression types. */
+ RTZIPTYPE_END
+} RTZIPTYPE;
+
+/**
+ * Compression level.
+ */
+typedef enum RTZIPLEVEL
+{
+ /** Store, don't compress. */
+ RTZIPLEVEL_STORE = 0,
+ /** Fast compression. */
+ RTZIPLEVEL_FAST,
+ /** Default compression. */
+ RTZIPLEVEL_DEFAULT,
+ /** Maximal compression. */
+ RTZIPLEVEL_MAX
+} RTZIPLEVEL;
+
+
+/**
+ * Create a stream compressor instance.
+ *
+ * @returns iprt status code.
+ * @param ppZip Where to store the instance handle.
+ * @param pvUser User argument which will be passed on to pfnOut and pfnIn.
+ * @param pfnOut Callback for consuming output of compression.
+ * @param enmType Type of compressor to create.
+ * @param enmLevel Compression level.
+ */
+RTDECL(int) RTZipCompCreate(PRTZIPCOMP *ppZip, void *pvUser, PFNRTZIPOUT pfnOut, RTZIPTYPE enmType, RTZIPLEVEL enmLevel);
+
+/**
+ * Compresses a chunk of memory.
+ *
+ * @returns iprt status code.
+ * @param pZip The compressor instance.
+ * @param pvBuf Pointer to buffer containing the bits to compress.
+ * @param cbBuf Number of bytes to compress.
+ */
+RTDECL(int) RTZipCompress(PRTZIPCOMP pZip, const void *pvBuf, size_t cbBuf);
+
+/**
+ * Finishes the compression.
+ * This will flush all data and terminate the compression data stream.
+ *
+ * @returns iprt status code.
+ * @param pZip The stream compressor instance.
+ */
+RTDECL(int) RTZipCompFinish(PRTZIPCOMP pZip);
+
+/**
+ * Destroys the stream compressor instance.
+ *
+ * @returns iprt status code.
+ * @param pZip The compressor instance.
+ */
+RTDECL(int) RTZipCompDestroy(PRTZIPCOMP pZip);
+
+
+/**
+ * Create a stream decompressor instance.
+ *
+ * @returns iprt status code.
+ * @param ppZip Where to store the instance handle.
+ * @param pvUser User argument which will be passed on to pfnOut and pfnIn.
+ * @param pfnIn Callback for producing input for decompression.
+ */
+RTDECL(int) RTZipDecompCreate(PRTZIPDECOMP *ppZip, void *pvUser, PFNRTZIPIN pfnIn);
+
+/**
+ * Decompresses a chunk of memory.
+ *
+ * @returns iprt status code.
+ * @param pZip The stream decompressor instance.
+ * @param pvBuf Where to store the decompressed data.
+ * @param cbBuf Number of bytes to produce. If pcbWritten is set
+ * any number of bytes up to cbBuf might be returned.
+ * @param pcbWritten Number of bytes actually written to the buffer. If NULL
+ * cbBuf number of bytes must be written.
+ */
+RTDECL(int) RTZipDecompress(PRTZIPDECOMP pZip, void *pvBuf, size_t cbBuf, size_t *pcbWritten);
+
+/**
+ * Destroys the stream decompressor instance.
+ *
+ * @returns iprt status code.
+ * @param pZip The decompressor instance.
+ */
+RTDECL(int) RTZipDecompDestroy(PRTZIPDECOMP pZip);
+
+
+/**
+ * Compress a chunk of memory into a block.
+ *
+ * @returns IPRT status code.
+ *
+ * @param enmType The compression type.
+ * @param enmLevel The compression level.
+ * @param fFlags Flags reserved for future extensions, MBZ.
+ * @param pvSrc Pointer to the input block.
+ * @param cbSrc Size of the input block.
+ * @param pvDst Pointer to the output buffer.
+ * @param cbDst The size of the output buffer.
+ * @param pcbDstActual Where to return the compressed size.
+ */
+RTDECL(int) RTZipBlockCompress(RTZIPTYPE enmType, RTZIPLEVEL enmLevel, uint32_t fFlags,
+ void const *pvSrc, size_t cbSrc,
+ void *pvDst, size_t cbDst, size_t *pcbDstActual) RT_NO_THROW_PROTO;
+
+
+/**
+ * Decompress a block.
+ *
+ * @returns IPRT status code.
+ *
+ * @param enmType The compression type.
+ * @param fFlags Flags reserved for future extensions, MBZ.
+ * @param pvSrc Pointer to the input block.
+ * @param cbSrc Size of the input block.
+ * @param pcbSrcActual Where to return the compressed size.
+ * @param pvDst Pointer to the output buffer.
+ * @param cbDst The size of the output buffer.
+ * @param pcbDstActual Where to return the decompressed size.
+ */
+RTDECL(int) RTZipBlockDecompress(RTZIPTYPE enmType, uint32_t fFlags,
+ void const *pvSrc, size_t cbSrc, size_t *pcbSrcActual,
+ void *pvDst, size_t cbDst, size_t *pcbDstActual) RT_NO_THROW_PROTO;
+
+
+/**
+ * Opens a gzip decompression I/O stream.
+ *
+ * @returns IPRT status code.
+ *
+ * @param hVfsIosIn The compressed input stream (must be readable).
+ * The reference is not consumed, instead another
+ * one is retained.
+ * @param fFlags Flags, MBZ.
+ * @param phVfsIosGunzip Where to return the handle to the gunzipped I/O
+ * stream (read).
+ */
+RTDECL(int) RTZipGzipDecompressIoStream(RTVFSIOSTREAM hVfsIosIn, uint32_t fFlags, PRTVFSIOSTREAM phVfsIosGunzip);
+
+/** @name RTZipGzipDecompressIoStream flags.
+ * @{ */
+/** Allow the smaller ZLIB header as well as the regular GZIP header. */
+#define RTZIPGZIPDECOMP_F_ALLOW_ZLIB_HDR RT_BIT(0)
+/** @} */
+
+
+/**
+ * Opens a gzip decompression I/O stream.
+ *
+ * @returns IPRT status code.
+ *
+ * @param hVfsIosDst The compressed output stream (must be writable).
+ * The reference is not consumed, instead another
+ * one is retained.
+ * @param fFlags Flags, MBZ.
+ * @param uLevel The gzip compression level, 1 thru 9.
+ * @param phVfsIosGzip Where to return the gzip input I/O stream handle
+ * (you write to this).
+ */
+RTDECL(int) RTZipGzipCompressIoStream(RTVFSIOSTREAM hVfsIosDst, uint32_t fFlags, uint8_t uLevel, PRTVFSIOSTREAM phVfsIosGzip);
+
+/**
+ * A mini GZIP program.
+ *
+ * @returns Program exit code.
+ *
+ * @param cArgs The number of arguments.
+ * @param papszArgs The argument vector. (Note that this may be
+ * reordered, so the memory must be writable.)
+ */
+RTDECL(RTEXITCODE) RTZipGzipCmd(unsigned cArgs, char **papszArgs);
+
+/**
+ * Opens a TAR filesystem stream.
+ *
+ * This is used to extract, list or check a TAR archive.
+ *
+ * @returns IPRT status code.
+ *
+ * @param hVfsIosIn The input stream. The reference is not
+ * consumed, instead another one is retained.
+ * @param fFlags Flags, MBZ.
+ * @param phVfsFss Where to return the handle to the TAR
+ * filesystem stream.
+ */
+RTDECL(int) RTZipTarFsStreamFromIoStream(RTVFSIOSTREAM hVfsIosIn, uint32_t fFlags, PRTVFSFSSTREAM phVfsFss);
+
+/** TAR format type. */
+typedef enum RTZIPTARFORMAT
+{
+ /** Customary invalid zero value. */
+ RTZIPTARFORMAT_INVALID = 0,
+ /** Default format (GNU). */
+ RTZIPTARFORMAT_DEFAULT,
+ /** The GNU format. */
+ RTZIPTARFORMAT_GNU,
+ /** USTAR format from POSIX.1-1988. */
+ RTZIPTARFORMAT_USTAR,
+ /** PAX format from POSIX.1-2001. */
+ RTZIPTARFORMAT_PAX,
+ /** End of valid formats. */
+ RTZIPTARFORMAT_END,
+ /** Make sure the type is at least 32 bits wide. */
+ RTZIPTARFORMAT_32BIT_HACK = 0x7fffffff
+} RTZIPTARFORMAT;
+
+/**
+ * Opens a TAR filesystem stream for the purpose of create a new TAR archive.
+ *
+ * @returns IPRT status code.
+ *
+ * @param hVfsIosOut The output stream, i.e. where the tar stuff is
+ * written. The reference is not consumed, instead
+ * another one is retained.
+ * @param enmFormat The desired output format.
+ * @param fFlags RTZIPTAR_C_XXX, except RTZIPTAR_C_UPDATE.
+ * @param phVfsFss Where to return the handle to the TAR
+ * filesystem stream.
+ */
+RTDECL(int) RTZipTarFsStreamToIoStream(RTVFSIOSTREAM hVfsIosOut, RTZIPTARFORMAT enmFormat,
+ uint32_t fFlags, PRTVFSFSSTREAM phVfsFss);
+
+/** @name RTZIPTAR_C_XXX - TAR creation flags (RTZipTarFsStreamToIoStream).
+ * @{ */
+/** Check for sparse files.
+ * @note Only supported when adding file objects. The files will be read
+ * twice. */
+#define RTZIPTAR_C_SPARSE RT_BIT_32(0)
+/** Set if opening for updating. */
+#define RTZIPTAR_C_UPDATE RT_BIT_32(1)
+/** Valid bits. */
+#define RTZIPTAR_C_VALID_MASK UINT32_C(0x00000003)
+/** @} */
+
+/**
+ * Opens a TAR filesystem stream for the purpose of create a new TAR archive or
+ * updating an existing one.
+ *
+ * @returns IPRT status code.
+ *
+ * @param hVfsFile The TAR file handle, i.e. where the tar stuff is
+ * written and optionally read/update. The
+ * reference is not consumed, instead another one
+ * is retained.
+ * @param enmFormat The desired output format.
+ * @param fFlags RTZIPTAR_C_XXX.
+ * @param phVfsFss Where to return the handle to the TAR
+ * filesystem stream.
+ */
+RTDECL(int) RTZipTarFsStreamForFile(RTVFSFILE hVfsFile, RTZIPTARFORMAT enmFormat, uint32_t fFlags, PRTVFSFSSTREAM phVfsFss);
+
+/**
+ * Set the owner to store the archive entries with.
+ *
+ * @returns IPRT status code.
+ * @param hVfsFss The handle to a TAR creator.
+ * @param uid The UID value to set. Passing NIL_RTUID makes
+ * it use the value found in RTFSOBJINFO.
+ * @param pszOwner The owner name to store. Passing NULL makes it
+ * use the value found in RTFSOBJINFO.
+ */
+RTDECL(int) RTZipTarFsStreamSetOwner(RTVFSFSSTREAM hVfsFss, RTUID uid, const char *pszOwner);
+
+/**
+ * Set the group to store the archive entries with.
+ *
+ * @returns IPRT status code.
+ * @param hVfsFss The handle to a TAR creator.
+ * @param gid The GID value to set. Passing NIL_RTUID makes
+ * it use the value found in RTFSOBJINFO.
+ * @param pszGroup The group name to store. Passing NULL makes it
+ * use the value found in RTFSOBJINFO.
+ */
+RTDECL(int) RTZipTarFsStreamSetGroup(RTVFSFSSTREAM hVfsFss, RTGID gid, const char *pszGroup);
+
+/**
+ * Set path prefix to store the archive entries with.
+ *
+ * @returns IPRT status code.
+ * @param hVfsFss The handle to a TAR creator.
+ * @param pszPrefix The path prefix to join the names with. Pass
+ * NULL for no prefix.
+ */
+RTDECL(int) RTZipTarFsStreamSetPrefix(RTVFSFSSTREAM hVfsFss, const char *pszPrefix);
+
+/**
+ * Set the AND and OR masks to apply to file (non-dir) modes in the archive.
+ *
+ * @returns IPRT status code.
+ * @param hVfsFss The handle to a TAR creator.
+ * @param fAndMode The bits to keep
+ * @param fOrMode The bits to set.
+ */
+RTDECL(int) RTZipTarFsStreamSetFileMode(RTVFSFSSTREAM hVfsFss, RTFMODE fAndMode, RTFMODE fOrMode);
+
+/**
+ * Set the AND and OR masks to apply to directory modes in the archive.
+ *
+ * @returns IPRT status code.
+ * @param hVfsFss The handle to a TAR creator.
+ * @param fAndMode The bits to keep
+ * @param fOrMode The bits to set.
+ */
+RTDECL(int) RTZipTarFsStreamSetDirMode(RTVFSFSSTREAM hVfsFss, RTFMODE fAndMode, RTFMODE fOrMode);
+
+/**
+ * Set the modification time to store the archive entires with.
+ *
+ * @returns IPRT status code.
+ * @param hVfsFss The handle to a TAR creator.
+ * @param pModificationTime The modification time to use. Pass NULL to use
+ * the value found in RTFSOBJINFO.
+ */
+RTDECL(int) RTZipTarFsStreamSetMTime(RTVFSFSSTREAM hVfsFss, PCRTTIMESPEC pModificationTime);
+
+/**
+ * Truncates a TAR creator stream in update mode.
+ *
+ * Use RTVfsFsStrmNext to examine the TAR stream and locate the cut-off point.
+ *
+ * After performing this call, the stream will be in write mode and
+ * RTVfsFsStrmNext will stop working (VERR_WRONG_ORDER). The RTVfsFsStrmAdd()
+ * and RTVfsFsStrmPushFile() can be used to add new object to the TAR file,
+ * starting at the trunction point. RTVfsFsStrmEnd() is used to finish the TAR
+ * file (this performs the actual file trunction).
+ *
+ * @returns IPRT status code.
+ * @param hVfsFss The handle to a TAR creator in update mode.
+ * @param hVfsObj Object returned by RTVfsFsStrmNext that the
+ * trunction is relative to. This doesn't have to
+ * be the current stream object, it can be an
+ * earlier one too.
+ * @param fAfter If set, @a hVfsObj will remain in the update TAR
+ * file. If clear, @a hVfsObj will not be
+ * included.
+ */
+RTDECL(int) RTZipTarFsStreamTruncate(RTVFSFSSTREAM hVfsFss, RTVFSOBJ hVfsObj, bool fAfter);
+
+/**
+ * A mini TAR program.
+ *
+ * @returns Program exit code.
+ *
+ * @param cArgs The number of arguments.
+ * @param papszArgs The argument vector. (Note that this may be
+ * reordered, so the memory must be writable.)
+ */
+RTDECL(RTEXITCODE) RTZipTarCmd(unsigned cArgs, char **papszArgs);
+
+/**
+ * Opens a ZIP filesystem stream.
+ *
+ * This is used to extract, list or check a ZIP archive.
+ *
+ * @returns IPRT status code.
+ *
+ * @param hVfsIosIn The compressed input stream. The reference is
+ * not consumed, instead another one is retained.
+ * @param fFlags Flags, MBZ.
+ * @param phVfsFss Where to return the handle to the TAR
+ * filesystem stream.
+ */
+RTDECL(int) RTZipPkzipFsStreamFromIoStream(RTVFSIOSTREAM hVfsIosIn, uint32_t fFlags, PRTVFSFSSTREAM phVfsFss);
+
+/**
+ * A mini UNZIP program.
+ *
+ * @returns Program exit code.
+ * @
+ * @param cArgs The number of arguments.
+ * @param papszArgs The argument vector. (Note that this may be
+ * reordered, so the memory must be writable.)
+ */
+RTDECL(RTEXITCODE) RTZipUnzipCmd(unsigned cArgs, char **papszArgs);
+
+/**
+ * Helper for decompressing files of a ZIP file located in memory.
+ *
+ * @returns IPRT status code.
+ *
+ * @param ppvDst Where to store the pointer to the allocated
+ * buffer. To be freed with RTMemFree().
+ * @param pcbDst Where to store the pointer to the size of the
+ * allocated buffer.
+ * @param pvSrc Pointer to the buffer containing the .zip file.
+ * @param cbSrc Size of the buffer containing the .zip file.
+ * @param pszObject Name of the object to extract.
+ */
+RTDECL(int) RTZipPkzipMemDecompress(void **ppvDst, size_t *pcbDst, const void *pvSrc, size_t cbSrc, const char *pszObject);
+
+/**
+ * Opens a XAR filesystem stream.
+ *
+ * This is used to extract, list or check a XAR archive.
+ *
+ * @returns IPRT status code.
+ *
+ * @param hVfsIosIn The compressed input stream. The reference is
+ * not consumed, instead another one is retained.
+ * @param fFlags Flags, MBZ.
+ * @param phVfsFss Where to return the handle to the XAR filesystem
+ * stream.
+ */
+RTDECL(int) RTZipXarFsStreamFromIoStream(RTVFSIOSTREAM hVfsIosIn, uint32_t fFlags, PRTVFSFSSTREAM phVfsFss);
+
+/**
+ * Opens a CPIO filesystem stream.
+ *
+ * This is used to extract, list or check a CPIO archive.
+ *
+ * @returns IPRT status code.
+ *
+ * @param hVfsIosIn The input stream. The reference is not
+ * consumed, instead another one is retained.
+ * @param fFlags Flags, MBZ.
+ * @param phVfsFss Where to return the handle to the CPIO
+ * filesystem stream.
+ */
+RTDECL(int) RTZipCpioFsStreamFromIoStream(RTVFSIOSTREAM hVfsIosIn, uint32_t fFlags, PRTVFSFSSTREAM phVfsFss);
+
+/** @} */
+
+RT_C_DECLS_END
+
+#endif /* !IPRT_INCLUDED_zip_h */
+