X-Git-Url: https://wimlib.net/git/?p=wimlib;a=blobdiff_plain;f=src%2Fwimlib.h;h=94a0f9d994595956fc428b4691f615d0d579e002;hp=14a38264652658d10c79c954ee181e8ce2b002d9;hb=512d3f87a1e7b59ca19ae6d6965dbcf7f4a17c15;hpb=4f9947253f6a08f4a922d3efe0880e3039b3eb5e diff --git a/src/wimlib.h b/src/wimlib.h index 14a38264..94a0f9d9 100644 --- a/src/wimlib.h +++ b/src/wimlib.h @@ -2,23 +2,25 @@ * wimlib.h * * External header for wimlib. - * + */ + +/* * Copyright (C) 2012 Eric Biggers * - * wimlib - Library for working with WIM files + * This file is part of wimlib, a library for working with WIM files. * - * This library is free software; you can redistribute it and/or modify it under - * the terms of the GNU Lesser General Public License as published by the Free - * Software Foundation; either version 2.1 of the License, or (at your option) any - * later version. + * wimlib 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; either version 3 of the License, or (at your option) + * any later version. * - * This library 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 Lesser General Public License for more details. + * wimlib 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 Lesser General Public License along - * with this library; if not, write to the Free Software Foundation, Inc., 59 - * Temple Place, Suite 330, Boston, MA 02111-1307 USA + * You should have received a copy of the GNU General Public License + * along with wimlib; if not, see http://www.gnu.org/licenses/. */ /** \mainpage @@ -31,19 +33,6 @@ * implementetion of @c imagex for UNIX-based systems and an API to allow other * programs to read, write, and mount WIM files. wimlib is comparable to * Microsoft's WIMGAPI, but was designed independently and is not a clone of it. - * - * The main intended use of wimlib is to create customized images of Windows PE, - * the Windows Preinstallation Environment, without having to rely on Windows. - * Windows PE, which is the operating system that runs when you boot from the - * Windows Vista or Windows 7 DVD, is a lightweight version of Windows that can - * run entirely from memory. It can be used to install Windows from local media - * or a network drive or perform maintenance. - * - * You can find Windows PE on the installation media for Windows Vista, Windows - * 7, and Windows 8. The Windows PE image itself is a WIM file, @c - * sources/boot.wim, on the ISO filesystem. Windows PE can also be found in the - * Windows Automated Installation Kit (WAIK) inside the @c WinPE.cab file, which - * you can extract if you install the @c cabextract program. * * \section format WIM files * @@ -60,28 +49,64 @@ * could do things like have 5 different versions of Windows that are almost * exactly the same. * - * WIM files may contain a integrity table. The integrity table, if it exists, - * is located at the end of the WIM file and contains SHA1 message digests of - * 10MB chunks of the WIM. - * * Microsoft provides documentation for the WIM file format, XPRESS compression - * format, and LZX compression format. However, there are errors and omissions - * in some places in their documentation. + * format, and LZX compression format. The XPRESS documentation is acceptable, + * but the LZX documentation is not entirely correct, and the WIM documentation + * itself is very incomplete and is of unacceptable quality. + * + * A WIM file may be either stand-alone or split into multiple parts. + * + * \section winpe Windows PE + * + * A major use for this library is to create customized images of Windows PE, the + * Windows Preinstallation Environment, without having to rely on Windows. Windows + * PE is a lightweight version of Windows that can run entirely from memory and can + * be used to install Windows from local media or a network drive or perform + * maintenance. Windows PE is the operating system that runs when you boot from + * the Windows installation media. + * + * You can find Windows PE on the installation DVD for Windows Vista, Windows 7, + * or Windows 8, in the file @c sources/boot.wim. Windows PE can also be found + * in the Windows Automated Installation Kit (WAIK), which is free to download + * from Microsoft, inside the @c WinPE.cab file, which you can extract if you + * install either the @c cabextract or @c p7zip programs. + * + * In addition, Windows installations and recovery partitions frequently contain a + * WIM containing an image of the Windows Recovery Environment, which is similar to + * Windows PE. + * + * \section ntfs NTFS support + * + * As of version 1.0.0, wimlib supports capturing and applying images directly + * to NTFS volumes. This was made possible with the help of libntfs-3g from the + * NTFS-3g project. This feature supports capturing and restoring NTFS-specific + * data such as security descriptors, alternate data streams, and reparse point + * data. + + * The code for NTFS image capture and image application is complete enough that + * it is possible to apply an image from the "install.wim" contained in recent + * Windows installation media (Vista, Windows 7, or Windows 8) directly to a + * NTFS volume, and then boot Windows from it after preparing the Boot + * Configuration Data. In addition, a Windows installation can be captured (or + * backed up) into a WIM file, and then re-applied later. * * \section starting Getting Started * * wimlib uses the GNU autotools, so it should be easy to install with - * configure && make && sudo make install, provided that you have - * @c libxml2 and @c libfuse installed. To use wimlib in a program after - * installing it, include @c wimlib.h and link your program with @c -lwim. + * configure && make && sudo make install; however, please see the + * README for more information about installing it. To use wimlib in a program + * after installing it, include @c wimlib.h and link your program with @c -lwim. * - * wimlib wraps up a WIM file in an opaque ::WIMStruct structure. + * wimlib wraps up a WIM file in an opaque ::WIMStruct structure. A ::WIMStruct + * may represent either a stand-alone WIM or one part of a split WIM. * * All functions in wimlib's public API are prefixed with @c wimlib. Most * return an integer error code on failure. Use wimlib_get_error_string() to * get a string that describes an error code. wimlib also can print error * messages itself when an error happens, and these may be more informative than - * the error code; to enable this, call wimlib_set_print_errors(). + * the error code; to enable this, call wimlib_set_print_errors(). Please note + * that this is for convenience only, and some errors can occur without a + * message being printed. * * wimlib is thread-safe as long as different ::WIMStruct's are used, with the * following exceptions: wimlib_set_print_errors() and @@ -95,10 +120,18 @@ * * To add an image to a WIM file from a directory tree on your filesystem, call * wimlib_add_image(). This can be done with a ::WIMStruct gotten from - * wimlib_open_wim() or from wimlib_create_new_wim(). + * wimlib_open_wim() or from wimlib_create_new_wim(). Alternatively, if you + * want to capture a WIM image directly from a NTFS volume while preserving + * NTFS-specific data such as security descriptors, call + * wimlib_add_image_from_ntfs_volume() instead. * - * To extract an image from a WIM file, call wimlib_set_output_dir() to set the - * output directory, then call wimlib_extract_image(). + * To extract an image from a WIM file, call wimlib_extract_image(). + * Alternatively, if you want to apply a WIM image directly to a NTFS volume + * while setting NTFS-specific data such as security descriptors, call + * wimlib_apply_image_to_ntfs_volume(). + * + * The NTFS functions will fail if wimlib was compiled with the + * --without-ntfs-3g flag. * * wimlib supports mounting WIM files either read-only or read-write. Mounting * is done using wimlib_mount() and unmounting is done using wimlib_unmount(). @@ -119,7 +152,8 @@ * @c programs/imagex.c in wimlib's source tree. * * wimlib supports custom memory allocators; use wimlib_set_memory_allocator() - * for this. + * for this. However, if wimlib calls into @c libntfs-3g, the custom memory + * allocator may not be used. * * \section imagex imagex * @@ -134,24 +168,13 @@ * * While wimlib supports the main features of WIM files, wimlib currently has * the following limitations: - * - wimlib does not support "security data", which describes the access rights - * of the files in the WIM. This data is very Windows-specific, and it would - * be difficult to do anything with it. Microsoft's software can still read a - * WIM without security data, including a boot.wim for Windows PE, but do - * not expect to be able to use wimlib to image a Windows installation and - * preserve file attributes. - * - There is no way to directly extract or mount split WIMs. - * - There is not yet any code to verify that there are no collisions between - * different files that happen to have the same SHA1 message digest. - * This is extremely unlikely, but could result in something bad such as a - * file going missing. - * - Alternate stream entries for directory entries are ignored. - * - Different versions of the WIM file format, if they even exist, are - * unsupported. Let me know if you notice WIM files with a different version. - * - Chunk sizes other than 32768 are unsupported (except for uncompressed WIMs, - * for which the chunk size field is ignored). As far as I can tell, other - * chunk sizes are not used in compressed WIMs. Let me know if you find a WIM - * file with a different chunk size. + * - Different versions of the WIM file format are unsupported. There is one + * different version of the format from development versions of Windows Vista, + * but I'm not planning to support it. + * - Compressed resource chunk sizes other than 32768 are unsupported (except for + * uncompressed WIMs, for which the chunk size field is ignored). As far as I + * can tell, other chunk sizes are not used in compressed WIMs. Let me know + * if you find a WIM file with a different chunk size. * - wimlib does not provide a clone of the @b PEImg tool that allows you to * make certain Windows-specific modifications to a Windows PE image, such as * adding a driver or Windows component. Such a tool could conceivably be @@ -167,21 +190,17 @@ * can implement this if requested, but I intend the FUSE mount feature to be * used for this purpose, as it is easy to do these things in whatever way you * want after the image is mounted. - * - * Currently, Microsoft's @a image.exe can create slightly smaller WIM files - * than wimlib when using maximum (LZX) compression because it knows how to - * split up LZX compressed blocks, which is not yet implemented in wimlib. - * - * wimlib is experimental and likely contains bugs; use Microsoft's @a - * imagex.exe if you want to make sure your WIM files are made "correctly". + * - Currently, Microsoft's @a image.exe can create slightly smaller WIM files + * than wimlib when using maximum (LZX) compression because it knows how to + * split up LZX compressed blocks, which is not yet implemented in wimlib. + * - wimlib is experimental and likely contains bugs; use Microsoft's @a + * imagex.exe if you want to make sure your WIM files are made "correctly". * * \section legal License * - * The wimlib library is licensed under the GNU Lesser General Public License - * version 2.1 or later. - * - * @b imagex and @b mkwinpeiso are licensed under the GNU General Public License - * version 3 or later. + * The wimlib library, as well as the programs and scripts distributed with it + * (@b imagex and @b mkwinpeimg), is licensed under the GNU General Public + * License version 3 or later. */ #ifndef _WIMLIB_H @@ -198,20 +217,6 @@ typedef struct WIMStruct WIMStruct; #endif -/** - * Specifies the way in which identical files are linked when extracting - * image(s) from the WIM. - */ -enum wim_link_type { -/** Hard link identical files when extracting files from the WIM. */ - WIM_LINK_TYPE_HARD = 0, -/** Symbolic link identical files when extracting files from the WIM. */ - WIM_LINK_TYPE_SYMBOLIC = 1, -/** Do not create links when extracting identical files from the WIM (default). - * */ - WIM_LINK_TYPE_NONE = 2, -}; - /** * Specifies the compression type of a WIM file. */ @@ -231,40 +236,73 @@ enum wim_compression_type { }; /** Mount the WIM read-write. */ -#define WIMLIB_MOUNT_FLAG_READWRITE 0x1 +#define WIMLIB_MOUNT_FLAG_READWRITE 0x00000001 /** For debugging only. (This passes the @c -d flag to @c fuse_main()).*/ -#define WIMLIB_MOUNT_FLAG_DEBUG 0x2 +#define WIMLIB_MOUNT_FLAG_DEBUG 0x00000002 + +/** Do not allow accessing alternate data streams. */ +#define WIMLIB_MOUNT_FLAG_STREAM_INTERFACE_NONE 0x00000010 + +/** Access alternate data streams through extended file attributes. This is the + * default mode. */ +#define WIMLIB_MOUNT_FLAG_STREAM_INTERFACE_XATTR 0x00000020 + +/** Access alternate data streams by specifying the file name, a colon, then the + * alternate file stream name. */ +#define WIMLIB_MOUNT_FLAG_STREAM_INTERFACE_WINDOWS 0x00000040 /** Include an integrity table in the new WIM being written during the unmount. * Ignored for read-only mounts. */ -#define WIMLIB_UNMOUNT_FLAG_CHECK_INTEGRITY 0x1 +#define WIMLIB_UNMOUNT_FLAG_CHECK_INTEGRITY 0x00000001 /** Unless this flag is given, changes to a mounted WIM are discarded. Ignored * for read-only mounts. */ -#define WIMLIB_UNMOUNT_FLAG_COMMIT 0x2 +#define WIMLIB_UNMOUNT_FLAG_COMMIT 0x00000002 /** Include an integrity table in the new WIM file. */ -#define WIMLIB_WRITE_FLAG_CHECK_INTEGRITY 0x1 +#define WIMLIB_WRITE_FLAG_CHECK_INTEGRITY 0x00000001 /** Print progress information when writing the integrity table. */ -#define WIMLIB_WRITE_FLAG_SHOW_PROGRESS 0x2 +#define WIMLIB_WRITE_FLAG_SHOW_PROGRESS 0x00000002 + +/** Print file paths as we write then */ +#define WIMLIB_WRITE_FLAG_VERBOSE 0x00000004 /** Mark the image being added as the bootable image of the WIM. */ -#define WIMLIB_ADD_IMAGE_FLAG_BOOT 0x1 +#define WIMLIB_ADD_IMAGE_FLAG_BOOT 0x00000001 + +/** Print the name of each file or directory as it is scanned to be included in + * the WIM image. */ +#define WIMLIB_ADD_IMAGE_FLAG_VERBOSE 0x00000002 + +/** Follow symlinks; archive and dump the files they point to. */ +#define WIMLIB_ADD_IMAGE_FLAG_DEREFERENCE 0x00000004 /** See documentation for wimlib_export_image(). */ -#define WIMLIB_EXPORT_FLAG_BOOT 0x1 +#define WIMLIB_EXPORT_FLAG_BOOT 0x00000001 /** Verify the integrity of the WIM if an integrity table is present. */ -#define WIMLIB_OPEN_FLAG_CHECK_INTEGRITY 0x1 +#define WIMLIB_OPEN_FLAG_CHECK_INTEGRITY 0x00000001 /** Print progress information when verifying integrity table. */ -#define WIMLIB_OPEN_FLAG_SHOW_PROGRESS 0x2 +#define WIMLIB_OPEN_FLAG_SHOW_PROGRESS 0x00000002 /** If this flag is not given, an error is issued if the WIM is part of a split * WIM. */ -#define WIMLIB_OPEN_FLAG_SPLIT_OK 0x4 +#define WIMLIB_OPEN_FLAG_SPLIT_OK 0x00000004 + + +/** When identical files are extracted from the WIM, always hard link them + * together. */ +#define WIMLIB_EXTRACT_FLAG_HARDLINK 0x00000001 + +/** When identical files are extracted from the WIM, always symlink them + * together. */ +#define WIMLIB_EXTRACT_FLAG_SYMLINK 0x00000002 + +/** Print the name of each file as it is extracted from the WIM image. */ +#define WIMLIB_EXTRACT_FLAG_VERBOSE 0x00000008 /** * Possible values of the error code returned by many functions in wimlib. @@ -283,14 +321,18 @@ enum wimlib_error_code { WIMLIB_ERR_IMAGE_COUNT, WIMLIB_ERR_IMAGE_NAME_COLLISION, WIMLIB_ERR_INTEGRITY, + WIMLIB_ERR_INVALID_CAPTURE_CONFIG, WIMLIB_ERR_INVALID_CHUNK_SIZE, WIMLIB_ERR_INVALID_COMPRESSION_TYPE, WIMLIB_ERR_INVALID_DENTRY, WIMLIB_ERR_INVALID_HEADER_SIZE, WIMLIB_ERR_INVALID_IMAGE, WIMLIB_ERR_INVALID_INTEGRITY_TABLE, + WIMLIB_ERR_INVALID_LOOKUP_TABLE_ENTRY, WIMLIB_ERR_INVALID_PARAM, + WIMLIB_ERR_INVALID_RESOURCE_HASH, WIMLIB_ERR_INVALID_RESOURCE_SIZE, + WIMLIB_ERR_INVALID_SECURITY_DATA, WIMLIB_ERR_LINK, WIMLIB_ERR_MKDIR, WIMLIB_ERR_MQUEUE, @@ -298,10 +340,13 @@ enum wimlib_error_code { WIMLIB_ERR_NOTDIR, WIMLIB_ERR_NOT_A_WIM_FILE, WIMLIB_ERR_NO_FILENAME, + WIMLIB_ERR_NTFS_3G, WIMLIB_ERR_OPEN, WIMLIB_ERR_OPENDIR, + WIMLIB_ERR_READLINK, WIMLIB_ERR_READ, WIMLIB_ERR_RENAME, + WIMLIB_ERR_SPECIAL_FILE, WIMLIB_ERR_SPLIT_INVALID, WIMLIB_ERR_SPLIT_UNSUPPORTED, WIMLIB_ERR_STAT, @@ -327,11 +372,8 @@ enum wimlib_error_code { * directory entry tree in-memory. Also, all files are read to calculate their * SHA1 message digests. However, because the directory tree may contain a very * large amount of data, the files themselves are not read into memory - * permanently, and instead references to their paths saved. This means that - * the directory tree must not be modified, other than by adding entirely new - * files or directories, before executing a call to wimlib_write() or - * wimlib_overwrite(). Otherwise, wimlib_write() may fail or incorrect files may - * be included in the WIM written by wimlib_write(). + * permanently, and instead references to their paths saved. The files are then + * read on-demand if wimlib_write() or wimlib_overwrite() is called. * * @param wim * Pointer to the ::WIMStruct for a WIM file to which the image will be @@ -341,19 +383,27 @@ enum wimlib_error_code { * root directory for the WIM image. * @param name * The name to give the image. This must be non-@c NULL. - * @param description - * The description to give the image. This parameter may be left @c - * NULL, in which case no description is given to the image. - * @param flags_element - * What to put in the <FLAGS> element for the image's XML data. This - * parameter may be left @c NULL, in which case no <FLAGS> element is - * given to the image. + * @param config + * Pointer to the contents of an image capture configuration file. If @c + * NULL, a default string is used. Please see the manual page for + * imagex capture for more information. + * @param config_size + * Length of the string @a config in bytes. + * * @param flags - * If set to ::WIMLIB_ADD_IMAGE_FLAG_BOOT, change the image in @a wim - * marked as bootable to the one being added. Otherwise, leave the boot - * index unchanged. + * Bitwise OR of flags prefixed with WIMLIB_ADD_IMAGE_FLAG. If + * ::WIMLIB_ADD_IMAGE_FLAG_BOOT is specified, the image in @a wim that is + * marked as bootable is changed to the one being added. If + * ::WIMLIB_ADD_IMAGE_FLAG_VERBOSE is specified, the name of each file is + * printed as it is scanned or captured. If + * ::WIMLIB_ADD_IMAGE_FLAG_DEREFERENCE is specified, the files or + * directories pointed to by symbolic links are archived rather than the + * symbolic links themselves. + * + * @return 0 on success; nonzero on error. On error, changes to @a wim are + * discarded so that it appears to be in the same state as when this function + * was called. * - * @return 0 on success; nonzero on error. * @retval ::WIMLIB_ERR_IMAGE_NAME_COLLISION * There is already an image named @a name in @a w. * @retval ::WIMLIB_ERR_INVALID_PARAM @@ -370,11 +420,40 @@ enum wimlib_error_code { * @retval ::WIMLIB_ERR_STAT * Failed obtain the metadata for a file or directory in the directory tree * rooted at @a dir. - * + * @retval ::WIMLIB_ERR_SPLIT_UNSUPPORTED + * @a wim is part of a split WIM. Adding an image to a split WIM is + * unsupported. */ extern int wimlib_add_image(WIMStruct *wim, const char *dir, - const char *name, const char *description, - const char *flags_element, int flags); + const char *name, const char *config, + size_t config_len, int flags); + +/** + * This function is similar to wimlib_add_image(), except instead of capturing + * the WIM image from a directory, it is captured from a NTFS volume specified + * by @a device. NTFS-3g errors are reported as ::WIMLIB_ERR_NTFS_3G. + * ::WIMLIB_ADD_IMAGE_FLAG_DEREFERENCE may not be specified because we capture + * the reparse points exactly as they are. + */ +extern int wimlib_add_image_from_ntfs_volume(WIMStruct *w, const char *device, + const char *name, + const char *config, + size_t config_len, + int flags); + +/** + * This function is similar to wimlib_extract_image(), except that @a image may + * not be ::WIM_ALL_IMAGES, and @a device specifies the name of a file or block + * device containing a NTFS volume to apply the image to. NTFS-3g errors are + * reported as ::WIMLIB_ERR_NTFS_3G, and ::WIMLIB_EXTRACT_FLAG_HARDLINK or + * ::WIMLIB_EXTRACT_FLAG_SYMLINK may not be specified because in the NTFS + * apply mode we apply the reparse points and hard links exactly as they are in + * the WIM. + */ +extern int wimlib_apply_image_to_ntfs_volume(WIMStruct *w, int image, + const char *device, int flags, + WIMStruct **additional_swms, + unsigned num_additional_swms); /** * Creates a WIMStruct for a new WIM file. @@ -409,7 +488,8 @@ extern int wimlib_create_new_wim(int ctype, WIMStruct **wim_ret); * @param image * The number of the image to delete, or ::WIM_ALL_IMAGES to delete all * images. - * @return 0 on success; nonzero on error. + * @return 0 on success; nonzero on error. On error, @a wim is left in an + * indeterminate state and should be freed with wimlib_free(). * @retval ::WIMLIB_ERR_DECOMPRESSION * Could not decompress the metadata resource for @a image. * @retval ::WIMLIB_ERR_INVALID_DENTRY @@ -419,9 +499,14 @@ extern int wimlib_create_new_wim(int ctype, WIMStruct **wim_ret); * @a image does not exist in the WIM and is not ::WIM_ALL_IMAGES. * @retval ::WIMLIB_ERR_INVALID_RESOURCE_SIZE * The metadata resource for @a image in the WIM is invalid. + * @retval ::WIMLIB_ERR_INVALID_SECURITY_DATA + * The security data for @a image in the WIM is invalid. * @retval ::WIMLIB_ERR_NOMEM Failed to allocate needed memory. * @retval ::WIMLIB_ERR_READ * Could not read the metadata resource for @a image from the WIM. + * @retval ::WIMLIB_ERR_SPLIT_UNSUPPORTED + * @a wim is part of a split WIM. Deleting an image from a split WIM is + * unsupported. */ extern int wimlib_delete_image(WIMStruct *wim, int image); @@ -457,7 +542,8 @@ extern int wimlib_delete_image(WIMStruct *wim, int image); * currently marked as bootable in @a src_wim; if that is the case, then * that image is marked as bootable in the destination WIM. * - * @return 0 on success; nonzero on error. + * @return 0 on success; nonzero on error. On error, @dest_wim is left in an + * indeterminate state and should be freed with wimlib_free(). * @retval ::WIMLIB_ERR_DECOMPRESSION * Could not decompress the metadata resource for @a src_image * in @a src_wim @@ -474,32 +560,61 @@ extern int wimlib_delete_image(WIMStruct *wim, int image); * ::WIM_ALL_IMAGES, @a src_wim contains multiple images, and no images in * @a src_wim are marked as bootable; or @a dest_name and/or @a * dest_description were non-NULL, @a src_image was - * ::WIM_ALL_IMAGES, and @a src_wim contains multiple images. + * ::WIM_ALL_IMAGES, and @a src_wim contains multiple images; or @a src_wim + * or @a dest_wim was @c NULL. * @retval ::WIMLIB_ERR_INVALID_RESOURCE_SIZE * The metadata resource for @a src_image in @a src_wim is invalid. + * @retval ::WIMLIB_ERR_INVALID_SECURITY_DATA + * The security data for @a src_image in @a src_wim is invalid. * @retval ::WIMLIB_ERR_NOMEM * Failed to allocate needed memory. * @retval ::WIMLIB_ERR_READ * Could not read the metadata resource for @a src_image from @a src_wim. + * @retval ::WIMLIB_ERR_SPLIT_UNSUPPORTED + * @a src_wim or @a dest_wim is part of a split WIM. Exporting an image + * from or to a split WIM is unsupported. */ extern int wimlib_export_image(WIMStruct *src_wim, int src_image, - WIMStruct *dest_wim, const char *dest_name, - const char *dest_description, int flags); + WIMStruct *dest_wim, const char *dest_name, + const char *dest_description, int flags); /** - * Extracts an image, or all images, from a WIM file. - * - * The output directory must have been previously set with - * wimlib_set_output_dir(). - * - * The link type used for extracted files is that specified by a previous call - * to wimlib_set_link_type(), or ::WIM_LINK_TYPE_NONE by default. + * Extracts an image, or all images, from a standalone or split WIM file. * * @param wim - * Pointer to the ::WIMStruct for a WIM file. + * Pointer to the ::WIMStruct for a standalone WIM file, or part 1 of a + * split WIM. * @param image * The image to extract. Can be the number of an image, or ::WIM_ALL_IMAGES * to specify that all images are to be extracted. + * @param output_dir + * Directory to extract the WIM image(s) to. It is created if it does not + * already exist. + * @param flags + * Bitwise or of the flags prefixed with WIMLIB_EXTRACT_FLAG. + * + * One or none of ::WIMLIB_EXTRACT_FLAG_HARDLINK or + * ::WIMLIB_EXTRACT_FLAG_SYMLINK may be specified. These flags cause + * extracted files that are identical to be hardlinked or symlinked + * together, depending on the flag. These flags override the hard link + * groups that are specified in the WIM file itself. If ::WIM_ALL_IMAGES + * is provided as the @a image parameter, files may be hardlinked or + * symlinked across images if a file is found to occur in more than one + * image. + * + * You may also specify the flag ::WIMLIB_EXTRACT_FLAG_VERBOSE to cause + * informational messages to be printed during the extraction, including + * the name of each extracted file or directory. + * @param additional_swms + * Array of pointers to the ::WIMStruct for each additional part in the + * split WIM. Ignored if @a num_additional_swms is 0. The pointers do not + * need to be in any particular order, but they must include all parts of + * the split WIM other than the first part, which must be provided in the + * @a wim parameter. + * @param num_additional_swms + * Number of additional WIM parts provided in the @a additional_swms array. + * This number should be one less than the total number of parts in the + * split WIM. Set to 0 if the WIM is a standalone WIM. * * @return 0 on success; nonzero on error. * @retval ::WIMLIB_ERR_DECOMPRESSION @@ -508,29 +623,41 @@ extern int wimlib_export_image(WIMStruct *src_wim, int src_image, * @retval ::WIMLIB_ERR_INVALID_DENTRY * A directory entry in the metadata resource for @a image in @a wim is * invalid. + * @retval ::WIMLIB_ERR_INVALID_RESOURCE_HASH + * The SHA1 message digest of an extracted stream did not match the SHA1 + * message digest given in the WIM file. * @retval ::WIMLIB_ERR_INVALID_RESOURCE_SIZE * A resource (file or metadata) for @a image in @a wim is invalid. + * @retval ::WIMLIB_ERR_INVALID_SECURITY_DATA + * The security data for @a image in @a wim is invalid. * @retval ::WIMLIB_ERR_LINK * Failed to create a symbolic link or a hard link. * @retval ::WIMLIB_ERR_MKDIR * Failed create a needed directory. * @retval ::WIMLIB_ERR_NOMEM * Failed to allocate needed memory. - * @retval ::WIMLIB_ERR_NOTDIR - * wimlib_set_output_dir() has not been successfully called on @a wim. * @retval ::WIMLIB_ERR_OPEN * Could not open one of the files being extracted for writing. * @retval ::WIMLIB_ERR_READ * A unexpected end-of-file or read error occurred when trying to read data * from the WIM file associated with @a wim. + * @retval ::WIMLIB_ERR_SPLIT_INVALID + * The WIM is a split WIM, but the parts specified do not form a complete + * split WIM because they do not include all the parts of the original WIM, + * there are duplicate parts, or not all the parts have the same GUID and + * compression type. * @retval ::WIMLIB_ERR_WRITE * Failed to write a file being extracted. */ -extern int wimlib_extract_image(WIMStruct *wim, int image); +extern int wimlib_extract_image(WIMStruct *wim, int image, + const char *output_dir, int flags, + WIMStruct **additional_swms, + unsigned num_additional_swms); /** * Extracts the XML data for a WIM file to a file stream. Every WIM file * includes a string of XML that describes the images contained in the WIM. + * This function works on standalone WIMs as well as split WIM parts. * * @param wim * Pointer to the ::WIMStruct for a WIM file. @@ -607,7 +734,8 @@ extern const char *wimlib_get_error_string(enum wimlib_error_code code); * Returns the description of the specified image. * * @param wim - * Pointer to the ::WIMStruct for a WIM file. + * Pointer to the ::WIMStruct for a WIM file. It may be either a + * standalone WIM or a split WIM part. * @param image * The number of the image, numbered starting at 1. * @@ -621,7 +749,8 @@ extern const char *wimlib_get_image_description(const WIMStruct *wim, int image) * Returns the name of the specified image. * * @param wim - * Pointer to the ::WIMStruct for a WIM file. + * Pointer to the ::WIMStruct for a WIM file. It may be either a + * standalone WIM or a split WIM part. * @param image * The number of the image, numbered starting at 1. * @@ -635,7 +764,8 @@ extern const char *wimlib_get_image_name(const WIMStruct *wim, int image); * Gets the number of images contained in the WIM. * * @param wim - * Pointer to the ::WIMStruct for a WIM file. + * Pointer to the ::WIMStruct for a WIM file. It may be either a + * standalone WIM or a split WIM part. * * @return * The number of images contained in the WIM file. @@ -643,7 +773,7 @@ extern const char *wimlib_get_image_name(const WIMStruct *wim, int image); extern int wimlib_get_num_images(const WIMStruct *wim); /** - * Gets the part number of the wim (in a split WIM). + * Gets the part number of part of a split WIM. * * @param wim * Pointer to the ::WIMStruct for a WIM file. @@ -662,7 +792,7 @@ extern int wimlib_get_part_number(const WIMStruct *wim, int *total_parts_ret); * @param wim * Pointer to the ::WIMStruct for a WIM file. * @return - * @c true if the WIM has an integrity table; false otherwise. + * @c true if the WIM has an integrity table; @c false otherwise. */ extern bool wimlib_has_integrity_table(const WIMStruct *wim); @@ -710,7 +840,7 @@ extern bool wimlib_image_name_in_use(const WIMStruct *wim, const char *name); * Note that this function merely copies the resources, so it will not check to * see if the resources, including the metadata resource, are valid or not. */ -extern int wimlib_join(const char **swms, int num_swms, +extern int wimlib_join(const char **swms, unsigned num_swms, const char *output_path, int flags); /** @@ -734,9 +864,23 @@ extern int wimlib_join(const char **swms, int num_swms, * @param dir * The path to an existing directory to mount the image on. * @param flags - * Bitwise OR of the flags ::WIMLIB_MOUNT_FLAG_READWRITE or - * ::WIMLIB_MOUNT_FLAG_DEBUG. If ::WIMLIB_MOUNT_FLAG_READWRITE is not - * given, the WIM is mounted read-only. + * Bitwise OR of the flags prefixed with WIMLIB_MOUNT_FLAG. If + * ::WIMLIB_MOUNT_FLAG_READWRITE is not given, the WIM is mounted + * read-only. The interface to the WIM named data streams is specified by + * exactly one of ::WIMLIB_MOUNT_FLAG_STREAM_INTERFACE_NONE, + * ::WIMLIB_MOUNT_FLAG_STREAM_INTERFACE_XATTR, or + * ::WIMLIB_MOUNT_FLAG_STREAM_INTERFACE_WINDOWS. The default interface is + * the XATTR interface. + * @param additional_swms + * Array of pointers to the ::WIMStruct for each additional part in the + * split WIM. Ignored if @a num_additional_swms is 0. The pointers do not + * need to be in any particular order, but they must include all parts of + * the split WIM other than the first part, which must be provided in the + * @a wim parameter. + * @param num_additional_swms + * Number of additional WIM parts provided in the @a additional_swms array. + * This number should be one less than the total number of parts in the + * split WIM. Set to 0 if the WIM is a standalone WIM. * * @return 0 on success; nonzero on error. * @retval ::WIMLIB_ERR_DECOMPRESSION @@ -750,6 +894,8 @@ extern int wimlib_join(const char **swms, int num_swms, * @a image does not specify an existing, single image in @a wim. * @retval ::WIMLIB_ERR_INVALID_RESOURCE_SIZE * The metadata resource for @a image in @a wim is invalid. + * @retval ::WIMLIB_ERR_INVALID_SECURITY_DATA + * The security data for @a image in @a wim is invalid. * @retval ::WIMLIB_ERR_MKDIR * ::WIMLIB_MOUNT_FLAG_READWRITE was specified in @a flags, but the staging * directory could not be created. @@ -760,9 +906,18 @@ extern int wimlib_join(const char **swms, int num_swms, * @retval ::WIMLIB_ERR_READ * An unexpected end-of-file or read error occurred when trying to read * data from the WIM file associated with @a wim. - * + * @retval ::WIMLIB_ERR_SPLIT_INVALID + * The WIM is a split WIM, but the parts specified do not form a complete + * split WIM because they do not include all the parts of the original WIM, + * there are duplicate parts, or not all the parts have the same GUID and + * compression type. + * @retval ::WIMLIB_ERR_SPLIT_UNSUPPORTED + * The WIM is a split WIM and a read-write mount was requested. We only + * support mounting a split WIM read-only. */ -extern int wimlib_mount(WIMStruct *wim, int image, const char *dir, int flags); +extern int wimlib_mount(WIMStruct *wim, int image, const char *dir, int flags, + WIMStruct **additional_swms, + unsigned num_additional_swms); /** * Opens a WIM file and creates a ::WIMStruct for it. @@ -817,6 +972,9 @@ extern int wimlib_mount(WIMStruct *wim, int image, const char *dir, int flags); * ::WIMLIB_OPEN_FLAG_CHECK_INTEGRITY was specified in @a flags and @a * wim_file contains an integrity table, but the integrity table is * invalid. + * @retval ::WIMLIB_ERR_INVALID_LOOKUP_TABLE_ENTRY + * The lookup table for the WIM contained duplicate entries, or it + * contained an entry with a SHA1 message digest of all 0's. * @retval ::WIMLIB_ERR_NOMEM * Failed to allocated needed memory. * @retval ::WIMLIB_ERR_NOT_A_WIM_FILE @@ -942,13 +1100,20 @@ extern void wimlib_print_available_images(const WIMStruct *wim, int image); * @retval ::WIMLIB_ERR_INVALID_IMAGE * @a image does not specify a valid image in @a wim, and is not * ::WIM_ALL_IMAGES. + * @retval ::WIMLIB_ERR_INVALID_PARAM + * @a wim was @c NULL. * @retval ::WIMLIB_ERR_INVALID_RESOURCE_SIZE * The metadata resource for one of the specified images is invalid. + * @retval ::WIMLIB_ERR_INVALID_SECURITY_DATA + * The security data for one of the specified images is invalid. * @retval ::WIMLIB_ERR_NOMEM * Failed to allocate needed memory. * @retval ::WIMLIB_ERR_READ * An unexpected read error or end-of-file occurred when reading the * metadata resource for one of the specified images. + * @retval ::WIMLIB_ERR_SPLIT_UNSUPPORTED + * @a wim was not a standalone WIM and was not the first part of a split + * WIM. */ extern int wimlib_print_files(WIMStruct *wim, int image); @@ -956,7 +1121,8 @@ extern int wimlib_print_files(WIMStruct *wim, int image); * Prints detailed information from the header of a WIM file. * * @param wim - * Pointer to the ::WIMStruct for a WIM file. + * Pointer to the ::WIMStruct for a WIM file. It may be either a + * standalone WIM or part of a split WIM. * * @return This function has no return value. * @@ -998,13 +1164,20 @@ extern void wimlib_print_lookup_table(WIMStruct *wim); * @retval ::WIMLIB_ERR_INVALID_IMAGE * @a image does not specify a valid image in @a wim, and is not * ::WIM_ALL_IMAGES. + * @retval ::WIMLIB_ERR_INVALID_PARAM + * @a wim was @c NULL. * @retval ::WIMLIB_ERR_INVALID_RESOURCE_SIZE * The metadata resource for one of the specified images is invalid. + * @retval ::WIMLIB_ERR_INVALID_SECURITY_DATA + * The security data for one of the specified images is invalid. * @retval ::WIMLIB_ERR_NOMEM * Failed to allocate needed memory. * @retval ::WIMLIB_ERR_READ * An unexpected read error or end-of-file occurred when reading the * metadata resource for one of the specified images. + * @retval ::WIMLIB_ERR_SPLIT_UNSUPPORTED + * @a wim was not a standalone WIM and was not the first part of a split + * WIM. */ extern int wimlib_print_metadata(WIMStruct *wim, int image); @@ -1051,9 +1224,14 @@ extern int wimlib_resolve_image(WIMStruct *wim, const char *image_name_or_num); * The number of the image to mark as bootable, or 0 to mark no image as * bootable. * @return 0 on success; nonzero on error. + * @retval ::WIMLIB_ERR_INVALID_PARAM + * @a wim was @c NULL. * @retval ::WIMLIB_ERR_INVALID_IMAGE * @a boot_idx does not specify an existing image in @a wim, and it was not * 0. + * @retval ::WIMLIB_ERR_SPLIT_UNSUPPORTED + * @a wim is part of a split WIM. We do not support changing the boot + * index of a split WIM. */ extern int wimlib_set_boot_idx(WIMStruct *wim, int boot_idx); @@ -1061,7 +1239,9 @@ extern int wimlib_set_boot_idx(WIMStruct *wim, int boot_idx); * Changes the description of an image in the WIM. * * @param wim - * Pointer to the ::WIMStruct for a WIM file. + * Pointer to the ::WIMStruct for a WIM file. It may be either a + * standalone WIM or part of a split WIM; however, you should set the same + * description on all parts of a split WIM. * @param image * The number of the image for which to change the description. * @param description @@ -1071,6 +1251,8 @@ extern int wimlib_set_boot_idx(WIMStruct *wim, int boot_idx); * @return 0 on success; nonzero on error. * @retval ::WIMLIB_ERR_INVALID_IMAGE * @a image does not specify a single existing image in @a wim. + * @retval ::WIMLIB_ERR_INVALID_PARAM + * @a wim was @c NULL. * @retval ::WIMLIB_ERR_NOMEM * Failed to allocate the memory needed to duplicate the @a description * string. @@ -1079,45 +1261,53 @@ extern int wimlib_set_image_descripton(WIMStruct *wim, int image, const char *description); /** - * Changes the name of an image in the WIM. + * Changes what is written in the element in the WIM XML data (something + * like "Core" or "Ultimate") * * @param wim - * Pointer to the ::WIMStruct for a WIM file. + * Pointer to the ::WIMStruct for a WIM file. It may be either a + * standalone WIM or part of a split WIM; however, you should set the same + * element on all parts of a split WIM. * @param image - * The number of the image for which to change the name. - * @param name - * The new name to give the image. It must not be @c NULL. + * The number of the image for which to change the description. + * @param flags + * The new element to give the image. It may be @c NULL, which + * indicates that the image is to be given no element. * * @return 0 on success; nonzero on error. - * @retval ::WIMLIB_ERR_IMAGE_NAME_COLLISION - * There is already an image named @a name in @a wim. - * @retval ::WIMLIB_ERR_INVALID_PARAM - * @a name was @c NULL or the empty string. * @retval ::WIMLIB_ERR_INVALID_IMAGE * @a image does not specify a single existing image in @a wim. + * @retval ::WIMLIB_ERR_INVALID_PARAM + * @a wim was @c NULL. * @retval ::WIMLIB_ERR_NOMEM - * Failed to allocate the memory needed to duplicate the @a name string. + * Failed to allocate the memory needed to duplicate the @a flags string. */ -extern int wimlib_set_image_name(WIMStruct *wim, int image, const char *name); +extern int wimlib_set_image_flags(WIMStruct *w, int image, + const char *flags); /** - * Sets the link type to use when extracting files from a WIM. This applies - * when extracting one image as well as when extracting all images. Cross-image - * links may save a lot of space because it is common for files to be referenced - * multiple times in WIM files. By default, the link type used for extraction - * is ::WIM_LINK_TYPE_NONE, meaning that links are not created. + * Changes the name of an image in the WIM. * * @param wim - * Pointer to the ::WIMStruct for a WIM file - * @param link_type - * ::WIM_LINK_TYPE_NONE, ::WIM_LINK_TYPE_SYMBOLIC, or ::WIM_LINK_TYPE_HARD. + * Pointer to the ::WIMStruct for a WIM file. It may be either a + * standalone WIM or part of a split WIM; however, you should set the same + * name on all parts of a split WIM. + * @param image + * The number of the image for which to change the name. + * @param name + * The new name to give the image. It must not a nonempty string. * * @return 0 on success; nonzero on error. + * @retval ::WIMLIB_ERR_IMAGE_NAME_COLLISION + * There is already an image named @a name in @a wim. * @retval ::WIMLIB_ERR_INVALID_PARAM - * @a link_type was not ::WIM_LINK_TYPE_NONE, ::WIM_LINK_TYPE_SYMBOLIC, - * or ::WIM_LINK_TYPE_HARD. + * @a name was @c NULL or the empty string, or @a wim was @c NULL. + * @retval ::WIMLIB_ERR_INVALID_IMAGE + * @a image does not specify a single existing image in @a wim. + * @retval ::WIMLIB_ERR_NOMEM + * Failed to allocate the memory needed to duplicate the @a name string. */ -extern int wimlib_set_link_type(WIMStruct *wim, int link_type); +extern int wimlib_set_image_name(WIMStruct *wim, int image, const char *name); /** * Set the functions that wimlib uses to allocate and free memory. @@ -1127,6 +1317,9 @@ extern int wimlib_set_link_type(WIMStruct *wim, int link_type); * The default is to use the default @c malloc() and @c free() from the C * library. * + * Please note that some external functions we call still may use the standard + * memory allocation functions. + * * @param malloc_func * A function equivalent to @c malloc() that wimlib will use to allocate * memory. If @c NULL, the allocator function is set back to the default @@ -1150,8 +1343,9 @@ int wimlib_set_memory_allocator(void *(*malloc_func)(size_t), /** * Sets whether wimlib is to print error messages to @c stderr when a function - * fails or not. These error messages may provide information that cannot be - * determined only from the error code that is returned. + * fails. These error messages may provide information that cannot be + * determined only from the error code that is returned. Not every error will + * result in an error message being printed. * * This setting is global and not per-WIM. * @@ -1169,41 +1363,6 @@ int wimlib_set_memory_allocator(void *(*malloc_func)(size_t), */ extern int wimlib_set_print_errors(bool show_messages); -/** - * Sets whether wimlib is to be verbose when extracting files from a WIM or when - * creating an image from a directory (i.e. whether it will print all affected - * files or not.) This is a per-WIM parameter. - * - * @param wim - * Pointer to the ::WIMStruct for the WIM file. - * @param verbose - * Whether wimlib is to be verbose when extracting files from @a wim using - * wimlib_extract_image() or when adding an image to @a wim using - * wimlib_add_image(). - * - * @return This function has no return value. - */ -extern void wimlib_set_verbose(WIMStruct *wim, bool verbose); - -/** - * Sets and creates the directory to which files are to be extracted when - * extracting files from the WIM. - * - * @param wim - * Pointer to the ::WIMStruct for the WIM file. - * @param dir - * The name of the directory to extract files to. - * - * @return 0 on success; nonzero on error. - * @retval ::WIMLIB_ERR_INVALID_PARAM - * @a dir was @c NULL. - * @retval ::WIMLIB_ERR_MKDIR - * @a dir does not already exist and it could not created. - * @retval ::WIMLIB_ERR_NOMEM - * Failed to allocate the memory needed to duplicate the @a dir string. - */ -extern int wimlib_set_output_dir(WIMStruct *wim, const char *dir); - /** * Splits a WIM into multiple parts. * @@ -1319,8 +1478,16 @@ extern int wimlib_unmount(const char *dir, int flags); * @retval ::WIMLIB_ERR_INVALID_IMAGE * @a image does not specify a single existing image in @a wim, and is not * ::WIM_ALL_IMAGES. + * @retval ::WIMLIB_ERR_INVALID_RESOURCE_HASH + * A file that had previously been scanned for inclusion in the WIM by the + * wimlib_add_image() or wimlib_add_image_from_ntfs_volume() functions was + * concurrently modified, so it failed the SHA1 message digest check. + * @retval ::WIMLIB_ERR_INVALID_PARAM + * @a wim or @a path was @c NULL. * @retval ::WIMLIB_ERR_INVALID_RESOURCE_SIZE * The metadata resource for @a image in @a wim is invalid. + * @retval ::WIMLIB_ERR_INVALID_SECURITY_DATA + * The security data for @a image in @wim is invalid. * @retval ::WIMLIB_ERR_NOMEM * Failed to allocate needed memory. * @retval ::WIMLIB_ERR_OPEN @@ -1332,6 +1499,9 @@ extern int wimlib_unmount(const char *dir, int flags); * with @a wim, or some file resources in @a wim refer to files in the * outside filesystem, and a read error occurred when reading one of these * files. + * @retval ::WIMLIB_ERR_SPLIT_UNSUPPORTED + * @a wim is part of a split WIM. You may not call this function on a + * split WIM. * @retval ::WIMLIB_ERR_WRITE * An error occurred when trying to write data to the new WIM file at @a * path.