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| -rw-r--r-- | include/iprt/manifest.h | 550 |
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diff --git a/include/iprt/manifest.h b/include/iprt/manifest.h new file mode 100644 index 00000000..2b87922f --- /dev/null +++ b/include/iprt/manifest.h @@ -0,0 +1,550 @@ +/** @file + * IPRT - Manifest file handling. + */ + +/* + * Copyright (C) 2009-2020 Oracle Corporation + * + * This file is part of VirtualBox Open Source Edition (OSE), as + * available from http://www.virtualbox.org. This file is free software; + * you can redistribute it and/or modify it under the terms of the GNU + * General Public License (GPL) as published by the Free Software + * Foundation, in version 2 as it comes in the "COPYING" file of the + * VirtualBox OSE distribution. VirtualBox OSE is distributed in the + * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. + * + * The contents of this file may alternatively be used under the terms + * of the Common Development and Distribution License Version 1.0 + * (CDDL) only, as it comes in the "COPYING.CDDL" file of the + * VirtualBox OSE 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. + */ + +#ifndef IPRT_INCLUDED_manifest_h +#define IPRT_INCLUDED_manifest_h +#ifndef RT_WITHOUT_PRAGMA_ONCE +# pragma once +#endif + +#include <iprt/cdefs.h> +#include <iprt/types.h> + +RT_C_DECLS_BEGIN + +/** @defgroup grp_rt_manifest RTManifest - Manifest file creation and checking + * @ingroup grp_rt + * @{ + */ + +/** @name Manifest attribute types. + * The types can be ORed together to form a set. + * @{ */ +/** For use with other attributes. Representation unknown. */ +#define RTMANIFEST_ATTR_UNKNOWN 0 +/** The size of the content. Represented as a decimal number. */ +#define RTMANIFEST_ATTR_SIZE RT_BIT_32(0) +/** The MD5 of the content. Represented as a hex string. */ +#define RTMANIFEST_ATTR_MD5 RT_BIT_32(1) +/** The SHA-1 of the content. Represented as a hex string. */ +#define RTMANIFEST_ATTR_SHA1 RT_BIT_32(2) +/** The SHA-256 of the content. Represented as a hex string. */ +#define RTMANIFEST_ATTR_SHA256 RT_BIT_32(3) +/** The SHA-512 of the content. Represented as a hex string. */ +#define RTMANIFEST_ATTR_SHA512 RT_BIT_32(4) +/** The end of the valid values. */ +#define RTMANIFEST_ATTR_END RT_BIT_32(5) +/** Wildcard for use in queries. */ +#define RTMANIFEST_ATTR_ANY UINT32_C(0xffffffff) +/** @} */ + + +/** + * Creates an empty manifest. + * + * @returns IPRT status code. + * @param fFlags Flags, MBZ. + * @param phManifest Where to return the handle to the manifest. + */ +RTDECL(int) RTManifestCreate(uint32_t fFlags, PRTMANIFEST phManifest); + +/** + * Retains a reference to the manifest handle. + * + * @returns The new reference count, UINT32_MAX if the handle is invalid. + * @param hManifest The handle to retain. + */ +RTDECL(uint32_t) RTManifestRetain(RTMANIFEST hManifest); + +/** + * Releases a reference to the manifest handle. + * + * @returns The new reference count, 0 if free. UINT32_MAX is returned if the + * handle is invalid. + * @param hManifest The handle to release. + * NIL is quietly ignored (returns 0). + */ +RTDECL(uint32_t) RTManifestRelease(RTMANIFEST hManifest); + +/** + * Creates a duplicate of the specified manifest. + * + * @returns IPRT status code + * @param hManifestSrc The manifest to clone. + * @param phManifestDst Where to store the handle to the duplicate. + */ +RTDECL(int) RTManifestDup(RTMANIFEST hManifestSrc, PRTMANIFEST phManifestDst); + +/** + * Compares two manifests for equality. + * + * @returns IPRT status code. + * @retval VINF_SUCCESS if equal. + * @retval VERR_NOT_EQUAL if not equal. + * + * @param hManifest1 The first manifest. + * @param hManifest2 The second manifest. + * @param papszIgnoreEntries Entries to ignore. Ends with a NULL entry. + * @param papszIgnoreAttrs Attributes to ignore. Ends with a NULL entry. + * @param fFlags A combination of RTMANIFEST_EQUALS_XXX values. + * @param pszError Where to store the name of the mismatching + * entry, or as much of the name as there is room + * for. This is always set. Optional. + * @param cbError The size of the buffer pointed to by @a + * pszError. + */ +RTDECL(int) RTManifestEqualsEx(RTMANIFEST hManifest1, RTMANIFEST hManifest2, const char * const *papszIgnoreEntries, + const char * const *papszIgnoreAttrs, uint32_t fFlags, char *pszError, size_t cbError); + +/** @defgroup RTMANIFEST_EQUALS_XXX RTManifestEqualsEx flags + * @{ */ +/** Ignore missing attributes if there is one or more to compare. */ +#define RTMANIFEST_EQUALS_IGN_MISSING_ATTRS RT_BIT_32(0) +/** Ignore attributes missing in the 1st manifest. + * @todo implement this */ +#define RTMANIFEST_EQUALS_IGN_MISSING_ATTRS_1ST RT_BIT_32(1) +/** Ignore missing entries in the 2nd manifest. */ +#define RTMANIFEST_EQUALS_IGN_MISSING_ENTRIES_2ND RT_BIT_32(2) +/** Mask of valid flags. */ +#define RTMANIFEST_EQUALS_VALID_MASK UINT32_C(0x00000005) +/** @} */ + +/** + * Compares two manifests for equality. + * + * @returns IPRT status code. + * @retval VINF_SUCCESS if equal. + * @retval VERR_NOT_EQUAL if not equal. + * + * @param hManifest1 The first manifest. + * @param hManifest2 The second manifest. + */ +RTDECL(int) RTManifestEquals(RTMANIFEST hManifest1, RTMANIFEST hManifest2); + +/** + * + * @returns IPRT status code. + * @param hManifest Handle to the manifest. + * @param fEntriesOnly Whether to only gather attribute types from the + * entries (@c true), or also include the manifest + * attributes (@c false). + * @param pfTypes Where to return the attributes. + */ +RTDECL(int) RTManifestQueryAllAttrTypes(RTMANIFEST hManifest, bool fEntriesOnly, uint32_t *pfTypes); + +/** + * Sets a manifest attribute. + * + * @returns IPRT status code. + * @param hManifest The manifest handle. + * @param pszAttr The attribute name, if NULL it will be termined from @a + * fType gives it. If this already exists, its value will + * be replaced. + * @param pszValue The value string. + * @param fType The attribute type. If not know, pass + * RTMANIFEST_ATTR_UNKNOWN with a valid attribute + * name string (@a pszAttr). + */ +RTDECL(int) RTManifestSetAttr(RTMANIFEST hManifest, const char *pszAttr, const char *pszValue, uint32_t fType); + +/** + * Unsets (removes) a manifest attribute if it exists. + * + * @returns IPRT status code. + * @retval VWRN_NOT_FOUND if not found. + * + * @param hManifest The manifest handle. + * @param pszAttr The attribute name. + */ +RTDECL(int) RTManifestUnsetAttr(RTMANIFEST hManifest, const char *pszAttr); + +/** + * Query a manifest attribute. + * + * @returns IPRT status code. + * @retval VERR_BUFFER_OVERFLOW if the value buffer is too small. The @a + * pszValue buffer will not be modified. + * @retval VERR_MANIFEST_ATTR_NOT_FOUND + * @retval VERR_MANIFEST_ATTR_TYPE_NOT_FOUND + * @retval VERR_MANIFEST_ATTR_TYPE_MISMATCH + * + * @param hManifest The manifest handle. + * @param pszAttr The attribute name. If NULL, it will be + * selected by @a fType alone. + * @param fType The attribute types the entry should match. Pass + * Pass RTMANIFEST_ATTR_ANY match any. If more + * than one is given, the first matching one is + * returned. + * @param pszValue Where to return value. + * @param cbValue The size of the buffer @a pszValue points to. + * @param pfType Where to return the attribute type value. + */ +RTDECL(int) RTManifestQueryAttr(RTMANIFEST hManifest, const char *pszAttr, uint32_t fType, + char *pszValue, size_t cbValue, uint32_t *pfType); + +/** + * Sets an attribute of a manifest entry. + * + * @returns IPRT status code. + * @param hManifest The manifest handle. + * @param pszEntry The entry name. This will automatically be + * added if there was no previous call to + * RTManifestEntryAdd for this name. See + * RTManifestEntryAdd for the entry name rules. + * @param pszAttr The attribute name, if NULL it will be termined from @a + * fType gives it. If this already exists, its value will + * be replaced. + * @param pszValue The value string. + * @param fType The attribute type. If not know, pass + * RTMANIFEST_ATTR_UNKNOWN with a valid attribute + * name string (@a pszAttr). + */ +RTDECL(int) RTManifestEntrySetAttr(RTMANIFEST hManifest, const char *pszEntry, const char *pszAttr, + const char *pszValue, uint32_t fType); + +/** + * Unsets (removes) an attribute of a manifest entry if they both exist. + * + * @returns IPRT status code. + * @retval VWRN_NOT_FOUND if not found. + * + * @param hManifest The manifest handle. + * @param pszEntry The entry name. + * @param pszAttr The attribute name. + */ +RTDECL(int) RTManifestEntryUnsetAttr(RTMANIFEST hManifest, const char *pszEntry, const char *pszAttr); + +/** + * Query a manifest entry attribute. + * + * @returns IPRT status code. + * @retval VERR_BUFFER_OVERFLOW if the value buffer is too small. The @a + * pszValue buffer will not be modified. + * @retval VERR_NOT_FOUND if the entry was not found. + * @retval VERR_MANIFEST_ATTR_NOT_FOUND + * @retval VERR_MANIFEST_ATTR_TYPE_NOT_FOUND + * @retval VERR_MANIFEST_ATTR_TYPE_MISMATCH + * + * @param hManifest The manifest handle. + * @param pszEntry The entry name. + * @param pszAttr The attribute name. If NULL, it will be + * selected by @a fType alone. + * @param fType The attribute types the entry should match. Pass + * Pass RTMANIFEST_ATTR_ANY match any. If more + * than one is given, the first matching one is + * returned. + * @param pszValue Where to return value. + * @param cbValue The size of the buffer @a pszValue points to. + * @param pfType Where to return the attribute type value. + */ +RTDECL(int) RTManifestEntryQueryAttr(RTMANIFEST hManifest, const char *pszEntry, const char *pszAttr, uint32_t fType, + char *pszValue, size_t cbValue, uint32_t *pfType); + +/** + * Adds a new entry to a manifest. + * + * The entry name rules: + * - The entry name can contain any character defined by unicode, except + * control characters, ':', '(' and ')'. The exceptions are mainly there + * because of uncertainty around how various formats handles these. + * - It is considered case sensitive. + * - Forward (unix) and backward (dos) slashes are considered path + * separators and converted to forward slashes. + * + * @returns IPRT status code. + * @retval VWRN_ALREADY_EXISTS if the entry already exists. + * + * @param hManifest The manifest handle. + * @param pszEntry The entry name (UTF-8). + * + * @remarks Some manifest formats will not be able to store an entry without + * any attributes. So, this is just here in case it comes in handy + * when dealing with formats which can. + */ +RTDECL(int) RTManifestEntryAdd(RTMANIFEST hManifest, const char *pszEntry); + +/** + * Removes an entry. + * + * @returns IPRT status code. + * @param hManifest The manifest handle. + * @param pszEntry The entry name. + */ +RTDECL(int) RTManifestEntryRemove(RTMANIFEST hManifest, const char *pszEntry); + +/** + * Add an entry for an I/O stream using a passthru stream. + * + * The passthru I/O stream will hash all the data read from or written to the + * stream and automatically add an entry to the manifest with the desired + * attributes when it is released. Alternatively one can call + * RTManifestPtIosAddEntryNow() to have more control over exactly when this + * action is performed and which status it yields. + * + * @returns IPRT status code. + * @param hManifest The manifest to add the entry to. + * @param hVfsIos The I/O stream to pass thru to/from. + * @param pszEntry The entry name. + * @param fAttrs The attributes to create for this stream. + * @param fReadOrWrite Whether it's a read or write I/O stream. + * @param phVfsIosPassthru Where to return the new handle. + */ +RTDECL(int) RTManifestEntryAddPassthruIoStream(RTMANIFEST hManifest, RTVFSIOSTREAM hVfsIos, const char *pszEntry, + uint32_t fAttrs, bool fReadOrWrite, PRTVFSIOSTREAM phVfsIosPassthru); + +/** + * Adds the entry to the manifest right now. + * + * @returns IPRT status code. + * @param hVfsPtIos The manifest passthru I/O stream returned by + * RTManifestEntryAddPassthruIoStream(). + */ +RTDECL(int) RTManifestPtIosAddEntryNow(RTVFSIOSTREAM hVfsPtIos); + +/** + * Checks if the give I/O stream is a manifest passthru instance or not. + * + * @returns true if it's a manifest passthru I/O stream, false if not. + * @param hVfsPtIos Possible the manifest passthru I/O stream handle. + */ +RTDECL(bool) RTManifestPtIosIsInstanceOf(RTVFSIOSTREAM hVfsPtIos); + +/** + * Adds an entry for a file with the specified set of attributes. + * + * @returns IPRT status code. + * + * @param hManifest The manifest handle. + * @param hVfsIos The I/O stream handle of the entry. This will + * be processed to its end on successful return. + * (Must be positioned at the start to get + * the expected results.) + * @param pszEntry The entry name. + * @param fAttrs The attributes to create for this stream. See + * RTMANIFEST_ATTR_XXX. + */ +RTDECL(int) RTManifestEntryAddIoStream(RTMANIFEST hManifest, RTVFSIOSTREAM hVfsIos, const char *pszEntry, uint32_t fAttrs); + +/** + * Checks if there is a manifest entry by the given name. + * + * @returns true if there is, false if not or if the handle is invalid. + * @param hManifest The manifest handle. + * @param pszEntry The entry name. + */ +RTDECL(bool) RTManifestEntryExists(RTMANIFEST hManifest, const char *pszEntry); + +/** + * Reads in a "standard" manifest. + * + * This reads the format used by OVF, the distinfo in FreeBSD ports, and + * others. + * + * @returns IPRT status code. + * @param hManifest The handle to the manifest where to add the + * manifest that's read in. + * @param hVfsIos The I/O stream to read the manifest from. + */ +RTDECL(int) RTManifestReadStandard(RTMANIFEST hManifest, RTVFSIOSTREAM hVfsIos); + +/** + * Reads in a "standard" manifest. + * + * This reads the format used by OVF, the distinfo in FreeBSD ports, and + * others. + * + * @returns IPRT status code. + * @param hManifest The handle to the manifest where to add the + * manifest that's read in. + * @param hVfsIos The I/O stream to read the manifest from. + * @param pszErr Where to return extended error info on failure. + * Optional. + * @param cbErr The size of the buffer @a pszErr points to. + */ +RTDECL(int) RTManifestReadStandardEx(RTMANIFEST hManifest, RTVFSIOSTREAM hVfsIos, char *pszErr, size_t cbErr); + +/** + * Reads in a "standard" manifest from the specified file. + * + * This reads the format used by OVF, the distinfo in FreeBSD ports, and + * others. + * + * @returns IPRT status code. + * @param hManifest The handle to the manifest where to add the + * manifest that's read in. + * @param pszFilename The name of the file to read in. + */ +RTDECL(int) RTManifestReadStandardFromFile(RTMANIFEST hManifest, const char *pszFilename); + +/** + * Writes a "standard" manifest. + * + * This writes the format used by OVF, the distinfo in FreeBSD ports, and + * others. + * + * @returns IPRT status code. + * @param hManifest The handle to the manifest to write. + * @param hVfsIos The I/O stream to read the manifest from. + */ +RTDECL(int) RTManifestWriteStandard(RTMANIFEST hManifest, RTVFSIOSTREAM hVfsIos); + +/** + * Writes a "standard" manifest to the specified file. + * + * @returns IPRT status code. + * @param hManifest The handle to the manifest to write. + * @param pszFilename The name of the file. + */ +RTDECL(int) RTManifestWriteStandardToFile(RTMANIFEST hManifest, const char *pszFilename); + + + + + +/** + * Input structure for RTManifestVerify() which contains the filename & the + * SHA1/SHA256 digest. + */ +typedef struct RTMANIFESTTEST +{ + /** The filename. */ + const char *pszTestFile; + /** The SHA1/SHA256 digest of the file. */ + const char *pszTestDigest; +} RTMANIFESTTEST; +/** Pointer to the input structure. */ +typedef RTMANIFESTTEST* PRTMANIFESTTEST; + + +/** + * Verify the given SHA1 digests against the entries in the manifest file. + * + * Please note that not only the various digest have to match, but the + * filenames as well. If there are more or even less files listed in the + * manifest file than provided by paTests, VERR_MANIFEST_FILE_MISMATCH will be + * returned. + * + * @returns iprt status code. + * + * @param pszManifestFile Filename of the manifest file to verify. + * @param paTests Array of files & SHA1 sums. + * @param cTests Number of entries in paTests. + * @param piFailed A index to paTests in the + * VERR_MANIFEST_DIGEST_MISMATCH error case + * (optional). + * @deprecated Use the RTMANIFEST based API instead. + */ +RTR3DECL(int) RTManifestVerify(const char *pszManifestFile, PRTMANIFESTTEST paTests, size_t cTests, size_t *piFailed); + +/** + * This is analogous to function RTManifestVerify(), but calculates the SHA1 + * sums of the given files itself. + * + * @returns iprt status code. + * + * @param pszManifestFile Filename of the manifest file to verify. + * @param papszFiles Array of files to check SHA1 sums. + * @param cFiles Number of entries in papszFiles. + * @param piFailed A index to papszFiles in the + * VERR_MANIFEST_DIGEST_MISMATCH error case + * (optional). + * @param pfnProgressCallback optional callback for the progress indication + * @param pvUser user defined pointer for the callback + * @deprecated Use the RTMANIFEST based API instead. + */ +RTR3DECL(int) RTManifestVerifyFiles(const char *pszManifestFile, const char * const *papszFiles, size_t cFiles, size_t *piFailed, + PFNRTPROGRESS pfnProgressCallback, void *pvUser); + +/** + * Creates a manifest file for a set of files. The manifest file contains SHA1 + * sums of every provided file and could be used to verify the data integrity + * of them. + * + * @returns iprt status code. + * + * @param pszManifestFile Filename of the manifest file to create. + * @param enmDigestType The digest type (RTDIGESTTYPE_*) + * @param papszFiles Array of files to create SHA1 sums for. + * @param cFiles Number of entries in papszFiles. + * @param pfnProgressCallback optional callback for the progress indication + * @param pvUser user defined pointer for the callback + * @deprecated Use the RTMANIFEST based API instead. + */ +RTR3DECL(int) RTManifestWriteFiles(const char *pszManifestFile, RTDIGESTTYPE enmDigestType, + const char * const *papszFiles, size_t cFiles, + PFNRTPROGRESS pfnProgressCallback, void *pvUser); + +/** + * Queries the first digest type found in the given manifest. + * + * @returns iprt status code. + * + * @param pvBuf Pointer to memory buffer of the manifest file. + * @param cbSize Size of the memory buffer. + * @param penmDigestType Where to return the first digest type found in + * the manifest. + * @deprecated Use the RTMANIFEST based API instead. + */ +RTR3DECL(int) RTManifestVerifyDigestType(void const *pvBuf, size_t cbSize, RTDIGESTTYPE *penmDigestType); + +/** + * Verify the given SHA1 digests against the entries in the manifest file in + * memory. + * + * @returns iprt status code. + * + * @param pvBuf Pointer to memory buffer of the manifest file. + * @param cbSize Size of the memory buffer. + * @param paTests Array of file names and digests. + * @param cTests Number of entries in paTests. + * @param piFailed A index to paTests in the + * VERR_MANIFEST_DIGEST_MISMATCH error case + * (optional). + * @deprecated Use the RTMANIFEST based API instead. + */ +RTR3DECL(int) RTManifestVerifyFilesBuf(void *pvBuf, size_t cbSize, PRTMANIFESTTEST paTests, size_t cTests, size_t *piFailed); + +/** + * Creates a manifest file in memory for a set of files. The manifest file + * contains SHA1 sums of every provided file and could be used to verify the + * data integrity of them. + * + * @returns iprt status code. + * + * @param ppvBuf Pointer to resulting memory buffer. + * @param pcbSize Pointer for the size of the memory buffer. + * @param enmDigestType Which type of digest ("SHA1", "SHA256", ...) + * @param paFiles Array of file names and digests. + * @param cFiles Number of entries in paFiles. + * @deprecated Use the RTMANIFEST based API instead. + */ +RTR3DECL(int) RTManifestWriteFilesBuf(void **ppvBuf, size_t *pcbSize, RTDIGESTTYPE enmDigestType, PRTMANIFESTTEST paFiles, size_t cFiles); + +/** @} */ + +RT_C_DECLS_END + +#endif /* !IPRT_INCLUDED_manifest_h */ + |