X-Git-Url: https://wimlib.net/git/?p=wimlib;a=blobdiff_plain;f=src%2Fntfs-apply.c;h=7a58a6df0f3bbc0cd61c52937d9be33220e7c228;hp=9b10b3e30e58129621793ebf1a286d390c2cd44c;hb=cecdece7933824c248a1b07021ce576f0f9d6892;hpb=21a83b1b20f5ae138bc4bb9bdedd80a2a2d92c0a diff --git a/src/ntfs-apply.c b/src/ntfs-apply.c index 9b10b3e3..7a58a6df 100644 --- a/src/ntfs-apply.c +++ b/src/ntfs-apply.c @@ -1,124 +1,172 @@ +/* + * ntfs-apply.c + * + * Apply a WIM image to a NTFS volume. Restore as much information as possible, + * including security data, file attributes, DOS names, and alternate data + * streams. + */ + /* * Copyright (C) 2012 Eric Biggers * * This file is part of wimlib, a library for working with WIM files. * * wimlib 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) + * 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. * * 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 Lesser General Public License for more + * 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 + * You should have received a copy of the GNU General Public License * along with wimlib; if not, see http://www.gnu.org/licenses/. */ + #include "config.h" -#include "wimlib_internal.h" -#ifdef WITH_NTFS_3G +#include +#include + +#include "wimlib_internal.h" #include "dentry.h" #include "lookup_table.h" +#include "buffer_io.h" #include #include #include -#include +#include /* security.h before xattrs.h */ +#include #include -#include -#include #include #include -struct ntfs_apply_args { - ntfs_volume *vol; - int extract_flags; - WIMStruct *w; -}; - -extern int _ntfs_set_file_security(ntfs_volume *vol, ntfs_inode *ni, - u32 selection, const char *attr); -extern int _ntfs_set_file_attributes(ntfs_inode *ni, s32 attrib); +static int extract_wim_chunk_to_ntfs_attr(const u8 *buf, size_t len, + u64 offset, void *arg) +{ + ntfs_attr *na = arg; + if (ntfs_attr_pwrite(na, offset, len, buf) == len) { + return 0; + } else { + ERROR_WITH_ERRNO("Error extracting WIM resource to NTFS attribute"); + return WIMLIB_ERR_WRITE; + } +} -/* +/* * Extracts a WIM resource to a NTFS attribute. */ -static int extract_resource_to_ntfs_attr(WIMStruct *w, const struct resource_entry *entry, - ntfs_attr *na) +static int +extract_wim_resource_to_ntfs_attr(const struct lookup_table_entry *lte, + ntfs_attr *na) { - return 0; -#if 0 - u8 buf[min(entry->original_size, WIM_CHUNK_SIZE)]; - u64 num_chunks = (entry->original_size + WIM_CHUNK_SIZE - 1) / WIM_CHUNK_SIZE; - u64 n = WIM_CHUNK_SIZE; - int res_ctype = wim_resource_compression_type(w, entry); - u64 offset = 0; - for (u64 i = 0; i < num_chunks; i++) { - DEBUG("Write chunk %u of %u", i + 1, num_chunks); - int ret; - if (i == num_chunks - 1) { - n = entry->original_size % WIM_CHUNK_SIZE; - if (n == 0) { - n = WIM_CHUNK_SIZE; - } - } - - ret = read_resource(w->fp, entry->size, entry->original_size, - entry->offset, res_ctype, n, offset, buf); - if (ret != 0) - return ret; - - if (ntfs_attr_pwrite(na, offset, n, buf) != n) { - ERROR("Failed to write to NTFS data stream"); - return WIMLIB_ERR_WRITE; - } - offset += n; - } - return 0; -#endif + return extract_wim_resource(lte, wim_resource_size(lte), + extract_wim_chunk_to_ntfs_attr, na); } /* Writes the data streams to a NTFS file * * @ni: The NTFS inode for the file. - * @dentry: The directory entry in the WIM file. - * @w: The WIMStruct for the WIM containing the image we are applying. + * @inode: The WIM dentry that has an inode containing the streams. * * Returns 0 on success, nonzero on failure. */ static int write_ntfs_data_streams(ntfs_inode *ni, const struct dentry *dentry, - WIMStruct *w) + union wimlib_progress_info *progress_info) { - ntfs_attr *na; - struct lookup_table_entry *lte; - int ret; - + int ret = 0; + unsigned stream_idx = 0; + ntfschar *stream_name = AT_UNNAMED; + u32 stream_name_len = 0; + const struct inode *inode = dentry->d_inode; + + DEBUG("Writing %u NTFS data stream%s for `%s'", + inode->num_ads + 1, + (inode->num_ads == 0 ? "" : "s"), + dentry->full_path_utf8); + + while (1) { + struct lookup_table_entry *lte; - DEBUG("Writing NTFS data streams for `%s'", dentry->full_path_utf8); + lte = inode_stream_lte_resolved(inode, stream_idx); - wimlib_assert(dentry->num_ads == 0); + if (stream_name_len) { + /* Create an empty named stream. */ + ret = ntfs_attr_add(ni, AT_DATA, stream_name, + stream_name_len, NULL, 0); + if (ret != 0) { + ERROR_WITH_ERRNO("Failed to create name data " + "stream for extracted file " + "`%s'", + dentry->full_path_utf8); + ret = WIMLIB_ERR_NTFS_3G; + break; - lte = dentry_stream_lte(dentry, 0, w->lookup_table); - if (lte && lte->resource_entry.original_size != 0) { + } + } + /* If there's no lookup table entry, it's an empty stream. + * Otherwise, we must open the attribute and extract the data. + * */ + if (lte) { + ntfs_attr *na; + + na = ntfs_attr_open(ni, AT_DATA, stream_name, stream_name_len); + if (!na) { + ERROR_WITH_ERRNO("Failed to open a data stream of " + "extracted file `%s'", + dentry->full_path_utf8); + ret = WIMLIB_ERR_NTFS_3G; + break; + } + ret = ntfs_attr_truncate_solid(na, wim_resource_size(lte)); + if (ret != 0) { + ntfs_attr_close(na); + break; + } - na = ntfs_attr_open(ni, AT_DATA, AT_UNNAMED, 0); - if (!na) { - ERROR_WITH_ERRNO("Failed to open unnamed data stream of " - "extracted file `%s'", - dentry->full_path_utf8); - return WIMLIB_ERR_NTFS_3G; + ret = extract_wim_resource_to_ntfs_attr(lte, na); + ntfs_attr_close(na); + if (ret != 0) + break; + progress_info->extract.completed_bytes += wim_resource_size(lte); } - ret = extract_resource_to_ntfs_attr(w, <e->resource_entry, na); - if (ret != 0) - return ret; - ntfs_attr_close(na); + if (stream_idx == inode->num_ads) + break; + stream_name = (ntfschar*)inode->ads_entries[stream_idx].stream_name; + stream_name_len = inode->ads_entries[stream_idx].stream_name_len / 2; + stream_idx++; } + return ret; +} - return 0; +/* Open the NTFS inode that corresponds to the parent of a WIM dentry. */ +static ntfs_inode *dentry_open_parent_ni(const struct dentry *dentry, + ntfs_volume *vol) +{ + char *p; + const char *dir_name; + ntfs_inode *dir_ni; + char orig; + + p = dentry->full_path_utf8 + dentry->full_path_utf8_len; + do { + p--; + } while (*p != '/'); + + orig = *p; + *p = '\0'; + dir_name = dentry->full_path_utf8; + dir_ni = ntfs_pathname_to_inode(vol, NULL, dir_name); + if (!dir_ni) { + ERROR_WITH_ERRNO("Could not find NTFS inode for `%s'", + dir_name); + } + *p = orig; + return dir_ni; } /* @@ -126,94 +174,264 @@ static int write_ntfs_data_streams(ntfs_inode *ni, const struct dentry *dentry, * * It is named @from_dentry->file_name and is located under the directory * specified by @dir_ni, and it is made to point to the previously extracted - * file located at @to_dentry->extracted_file. + * file located at @inode->extracted_file. * * Return 0 on success, nonzero on failure. */ -static int wim_apply_hardlink_ntfs(const struct dentry *from_dentry, - const struct dentry *to_dentry, - ntfs_inode *dir_ni) +static int apply_ntfs_hardlink(const struct dentry *from_dentry, + const struct inode *inode, + ntfs_inode **dir_ni_p) { int ret; ntfs_inode *to_ni; + ntfs_inode *dir_ni; + ntfs_volume *vol; + + dir_ni = *dir_ni_p; + vol = dir_ni->vol; + ret = ntfs_inode_close(dir_ni); + *dir_ni_p = NULL; + if (ret != 0) { + ERROR_WITH_ERRNO("Error closing directory"); + return WIMLIB_ERR_NTFS_3G; + } DEBUG("Extracting NTFS hard link `%s' => `%s'", - from_dentry->full_path_utf8, to_dentry->extracted_file); + from_dentry->full_path_utf8, inode->extracted_file); - to_ni = ntfs_pathname_to_inode(dir_ni->vol, NULL, - to_dentry->extracted_file); + to_ni = ntfs_pathname_to_inode(vol, NULL, inode->extracted_file); if (!to_ni) { ERROR_WITH_ERRNO("Could not find NTFS inode for `%s'", - to_dentry->extracted_file); + inode->extracted_file); return WIMLIB_ERR_NTFS_3G; } + + dir_ni = dentry_open_parent_ni(from_dentry, vol); + if (!dir_ni) { + ntfs_inode_close(to_ni); + return WIMLIB_ERR_NTFS_3G; + } + + *dir_ni_p = dir_ni; + ret = ntfs_link(to_ni, dir_ni, (ntfschar*)from_dentry->file_name, from_dentry->file_name_len / 2); - if (ret != 0) { + if (ntfs_inode_close_in_dir(to_ni, dir_ni) || ret != 0) { ERROR_WITH_ERRNO("Could not create hard link `%s' => `%s'", from_dentry->full_path_utf8, - to_dentry->extracted_file); - ret = WIMLIB_ERR_NTFS_3G; - } - if (ntfs_inode_close(to_ni) != 0) { - ERROR_WITH_ERRNO("Failed to close NTFS inode for `%s'", - to_dentry->extracted_file); + inode->extracted_file); ret = WIMLIB_ERR_NTFS_3G; } return ret; } -/* +static int +apply_file_attributes_and_security_data(ntfs_inode *ni, + ntfs_inode *dir_ni, + const struct dentry *dentry, + const WIMStruct *w) +{ + DEBUG("Setting NTFS file attributes on `%s' to %#"PRIx32, + dentry->full_path_utf8, dentry->d_inode->attributes); + int ret; + struct SECURITY_CONTEXT ctx; + u32 attributes_le32; + attributes_le32 = cpu_to_le32(dentry->d_inode->attributes); + memset(&ctx, 0, sizeof(ctx)); + ctx.vol = ni->vol; + ret = ntfs_xattr_system_setxattr(&ctx, XATTR_NTFS_ATTRIB, + ni, dir_ni, + (const char*)&attributes_le32, + sizeof(u32), 0); + if (ret != 0) { + ERROR("Failed to set NTFS file attributes on `%s'", + dentry->full_path_utf8); + return WIMLIB_ERR_NTFS_3G; + } + if (dentry->d_inode->security_id != -1) { + const struct wim_security_data *sd; + const char *descriptor; + + sd = wim_const_security_data(w); + wimlib_assert(dentry->d_inode->security_id < sd->num_entries); + descriptor = (const char *)sd->descriptors[dentry->d_inode->security_id]; + DEBUG("Applying security descriptor %d to `%s'", + dentry->d_inode->security_id, dentry->full_path_utf8); + + ret = ntfs_xattr_system_setxattr(&ctx, XATTR_NTFS_ACL, + ni, dir_ni, descriptor, + sd->sizes[dentry->d_inode->security_id], 0); + + if (ret != 0) { + ERROR_WITH_ERRNO("Failed to set security data on `%s'", + dentry->full_path_utf8); + return WIMLIB_ERR_NTFS_3G; + } + } + return 0; +} + +static int apply_reparse_data(ntfs_inode *ni, const struct dentry *dentry, + union wimlib_progress_info *progress_info) +{ + struct lookup_table_entry *lte; + int ret = 0; + + lte = inode_unnamed_lte_resolved(dentry->d_inode); + + DEBUG("Applying reparse data to `%s'", dentry->full_path_utf8); + + if (!lte) { + ERROR("Could not find reparse data for `%s'", + dentry->full_path_utf8); + return WIMLIB_ERR_INVALID_DENTRY; + } + + if (wim_resource_size(lte) >= 0xffff) { + ERROR("Reparse data of `%s' is too long (%"PRIu64" bytes)", + dentry->full_path_utf8, wim_resource_size(lte)); + return WIMLIB_ERR_INVALID_DENTRY; + } + + u8 reparse_data_buf[8 + wim_resource_size(lte)]; + u8 *p = reparse_data_buf; + p = put_u32(p, dentry->d_inode->reparse_tag); /* ReparseTag */ + p = put_u16(p, wim_resource_size(lte)); /* ReparseDataLength */ + p = put_u16(p, 0); /* Reserved */ + + ret = read_full_wim_resource(lte, p, 0); + if (ret != 0) + return ret; + + ret = ntfs_set_ntfs_reparse_data(ni, (char*)reparse_data_buf, + wim_resource_size(lte) + 8, 0); + if (ret != 0) { + ERROR_WITH_ERRNO("Failed to set NTFS reparse data on `%s'", + dentry->full_path_utf8); + return WIMLIB_ERR_NTFS_3G; + } + progress_info->extract.completed_bytes += wim_resource_size(lte); + return 0; +} + +static int do_apply_dentry_ntfs(struct dentry *dentry, ntfs_inode *dir_ni, + struct apply_args *args); + +/* + * If @dentry is part of a hard link group, search for hard-linked dentries in + * the same directory that have a nonempty DOS (short) filename. There should + * be exactly 0 or 1 such dentries. If there is 1, extract that dentry first, + * so that the DOS name is correctly associated with the corresponding long name + * in the Win32 namespace, and not any of the additional names in the POSIX + * namespace created from hard links. + */ +static int preapply_dentry_with_dos_name(struct dentry *dentry, + ntfs_inode **dir_ni_p, + struct apply_args *args) +{ + struct dentry *other; + struct dentry *dentry_with_dos_name; + + dentry_with_dos_name = NULL; + inode_for_each_dentry(other, dentry->d_inode) { + if (other != dentry && (dentry->parent == other->parent) + && other->short_name_len) + { + if (dentry_with_dos_name) { + ERROR("Found multiple DOS names for file `%s' " + "in the same directory", + dentry_with_dos_name->full_path_utf8); + return WIMLIB_ERR_INVALID_DENTRY; + } + dentry_with_dos_name = other; + } + } + /* If there's a dentry with a DOS name, extract it first */ + if (dentry_with_dos_name && !dentry_with_dos_name->is_extracted) { + char *p; + const char *dir_name; + char orig; + int ret; + ntfs_volume *vol = (*dir_ni_p)->vol; + + DEBUG("pre-applying DOS name `%s'", + dentry_with_dos_name->full_path_utf8); + ret = do_apply_dentry_ntfs(dentry_with_dos_name, + *dir_ni_p, args); + if (ret != 0) + return ret; + + *dir_ni_p = dentry_open_parent_ni(dentry, vol); + if (!*dir_ni_p) + return WIMLIB_ERR_NTFS_3G; + } + return 0; +} + +/* * Applies a WIM dentry to a NTFS filesystem. * * @dentry: The WIM dentry to apply * @dir_ni: The NTFS inode for the parent directory - * @w: The WIMStruct for the WIM containing the image we are applying. * * @return: 0 on success; nonzero on failure. */ -static int do_wim_apply_dentry_ntfs(struct dentry *dentry, ntfs_inode *dir_ni, - WIMStruct *w) +static int do_apply_dentry_ntfs(struct dentry *dentry, ntfs_inode *dir_ni, + struct apply_args *args) { - ntfs_inode *ni; - int ret; + int ret = 0; mode_t type; + ntfs_inode *ni = NULL; + bool is_hardlink = false; + ntfs_volume *vol = dir_ni->vol; + struct inode *inode = dentry->d_inode; + dentry->is_extracted = 1; - if (dentry_is_directory(dentry)) { + if (inode->attributes & FILE_ATTRIBUTE_DIRECTORY) { type = S_IFDIR; } else { + /* If this dentry is hard-linked to any other dentries in the + * same directory, make sure to apply the one (if any) with a + * DOS name first. Otherwise, NTFS-3g might not assign the file + * names correctly. */ + if (dentry->short_name_len == 0) { + ret = preapply_dentry_with_dos_name(dentry, + &dir_ni, args); + if (ret != 0) + return ret; + } + type = S_IFREG; - const struct list_head *head = &dentry->link_group_list; - if (head->next != head) { - /* This dentry is one of a hard link set of at least 2 - * dentries. If one of the other dentries has already - * been extracted, make a hard link to the file - * corresponding to this already-extracted directory. - * Otherwise, extract the file, and set the - * dentry->extracted_file field so that other dentries - * in the hard link group can link to it. */ - struct dentry *other; - list_for_each_entry(other, head, link_group_list) { - if (other->extracted_file) { - return wim_apply_hardlink_ntfs( - dentry, other, dir_ni); - } + + if (inode->link_count > 1) { + /* Already extracted another dentry in the hard link + * group. Make a hard link instead of extracting the + * file data. */ + if (inode->extracted_file) { + ret = apply_ntfs_hardlink(dentry, inode, + &dir_ni); + is_hardlink = true; + if (ret) + goto out_close_dir_ni; + else + goto out_set_dos_name; + } + /* Can't make a hard link; extract the file itself */ + FREE(inode->extracted_file); + inode->extracted_file = STRDUP(dentry->full_path_utf8); + if (!inode->extracted_file) { + ret = WIMLIB_ERR_NOMEM; + goto out_close_dir_ni; } - } - FREE(dentry->extracted_file); - dentry->extracted_file = STRDUP(dentry->full_path_utf8); - if (!dentry->extracted_file) { - ERROR("Failed to allocate memory for filename"); - return WIMLIB_ERR_NOMEM; } } - /* + /* * Create a directory or file. * - * Note: if it's a reparse point (such as a symbolic link), we still - * pass S_IFREG here, since we manually set the reparse data later. + * Note: For symbolic links that are not directory junctions, pass + * S_IFREG here, since we manually set the reparse data later. */ ni = ntfs_create(dir_ni, 0, (ntfschar*)dentry->file_name, dentry->file_name_len / 2, type); @@ -222,195 +440,166 @@ static int do_wim_apply_dentry_ntfs(struct dentry *dentry, ntfs_inode *dir_ni, ERROR_WITH_ERRNO("Could not create NTFS object for `%s'", dentry->full_path_utf8); ret = WIMLIB_ERR_NTFS_3G; - goto out; + goto out_close_dir_ni; } /* Write the data streams, unless this is a directory or reparse point * */ - if (!dentry_is_directory(dentry) && - !(dentry->attributes & FILE_ATTRIBUTE_REPARSE_POINT)) { - ret = write_ntfs_data_streams(ni, dentry, w); + if (!(inode->attributes & (FILE_ATTRIBUTE_REPARSE_POINT | + FILE_ATTRIBUTE_DIRECTORY))) { + ret = write_ntfs_data_streams(ni, dentry, &args->progress); if (ret != 0) - goto out; + goto out_close_dir_ni; } - DEBUG("Setting NTFS file attributes on `%s' to %#"PRIx32, - dentry->full_path_utf8, dentry->attributes); - if (!_ntfs_set_file_attributes(ni, dentry->attributes)) { - ERROR("Failed to set NTFS file attributes on `%s'", - dentry->full_path_utf8); - ret = WIMLIB_ERR_NTFS_3G; - goto out; - } + ret = apply_file_attributes_and_security_data(ni, dir_ni, + dentry, args->w); + if (ret != 0) + goto out_close_dir_ni; - if (dentry->security_id != -1) { - const struct wim_security_data *sd = wim_security_data(w); - wimlib_assert(dentry->security_id < sd->num_entries); - DEBUG("Applying security descriptor %d to `%s'", - dentry->security_id, dentry->full_path_utf8); - if (!_ntfs_set_file_security(ni->vol, ni, ~0, - sd->descriptors[dentry->security_id])) - { - ERROR_WITH_ERRNO("Failed to set security data on `%s'", - dentry->full_path_utf8); - ret = WIMLIB_ERR_NTFS_3G; - goto out; - } + if (inode->attributes & FILE_ATTR_REPARSE_POINT) { + ret = apply_reparse_data(ni, dentry, &args->progress); + if (ret != 0) + goto out_close_dir_ni; } - if (dentry->attributes & FILE_ATTR_REPARSE_POINT) { - struct lookup_table_entry *lte; - ntfs_inode *ni; - lte = dentry_first_lte(dentry, w->lookup_table); - if (!lte) { - ERROR("Could not find reparse data for `%s'", - dentry->full_path_utf8); - ret = WIMLIB_ERR_INVALID_DENTRY; - goto out; +out_set_dos_name: + /* Set DOS (short) name if given */ + if (dentry->short_name_len != 0) { + + char *short_name_utf8; + size_t short_name_utf8_len; + ret = utf16_to_utf8(dentry->short_name, + dentry->short_name_len, + &short_name_utf8, + &short_name_utf8_len); + if (ret != 0) + goto out_close_dir_ni; + + if (is_hardlink) { + wimlib_assert(ni == NULL); + ni = ntfs_pathname_to_inode(vol, dir_ni, + dentry->file_name_utf8); + if (!ni) { + ERROR_WITH_ERRNO("Could not find NTFS inode for `%s'", + dentry->full_path_utf8); + ret = WIMLIB_ERR_NTFS_3G; + goto out_close_dir_ni; + } } - char symlink_buf[wim_resource_size(lte)]; + wimlib_assert(ni != NULL); - ret = read_full_wim_resource(lte, symlink_buf); - if (ret != 0) - goto out; - - ret = ntfs_set_ntfs_reparse_data(ni, symlink_buf, - wim_resource_size(lte), 0); + DEBUG("Setting short (DOS) name of `%s' to %s", + dentry->full_path_utf8, short_name_utf8); + + ret = ntfs_set_ntfs_dos_name(ni, dir_ni, short_name_utf8, + short_name_utf8_len, 0); + FREE(short_name_utf8); if (ret != 0) { - ERROR_WITH_ERRNO("Failed to set NTFS reparse data on " - "`%s'", dentry->full_path_utf8); + ERROR_WITH_ERRNO("Could not set DOS (short) name for `%s'", + dentry->full_path_utf8); ret = WIMLIB_ERR_NTFS_3G; - goto out; } + /* inodes have been closed by ntfs_set_ntfs_dos_name(). */ + return ret; } - if (ntfs_inode_close_in_dir(ni, dir_ni) != 0) { - ERROR_WITH_ERRNO("Failed to close new inode"); - ret = WIMLIB_ERR_NTFS_3G; - goto out; +out_close_dir_ni: + if (dir_ni) { + if (ni) { + if (ntfs_inode_close_in_dir(ni, dir_ni)) { + if (ret == 0) + ret = WIMLIB_ERR_NTFS_3G; + ERROR_WITH_ERRNO("Failed to close inode for `%s'", + dentry->full_path_utf8); + } + } + if (ntfs_inode_close(dir_ni)) { + if (ret == 0) + ret = WIMLIB_ERR_NTFS_3G; + ERROR_WITH_ERRNO("Failed to close directory inode"); + } + } else { + wimlib_assert(ni == NULL); } -out: return ret; } -static int wim_apply_dentry_ntfs(struct dentry *dentry, void *arg) +static int apply_root_dentry_ntfs(const struct dentry *dentry, + ntfs_volume *vol, const WIMStruct *w) { - struct ntfs_apply_args *args = arg; - ntfs_volume *vol = args->vol; - int extract_flags = args->extract_flags; - WIMStruct *w = args->w; - ntfs_inode *dir_ni; - int ret; - char *p; - char orig; - const char *dir_name; + ntfs_inode *ni; + int ret = 0; - wimlib_assert(dentry->full_path_utf8); + wimlib_assert(dentry_is_directory(dentry)); + ni = ntfs_pathname_to_inode(vol, NULL, "/"); + if (!ni) { + ERROR_WITH_ERRNO("Could not find root NTFS inode"); + return WIMLIB_ERR_NTFS_3G; + } + ret = apply_file_attributes_and_security_data(ni, ni, dentry, w); + if (ntfs_inode_close(ni) != 0) { + ERROR_WITH_ERRNO("Failed to close NTFS inode for root " + "directory"); + ret = WIMLIB_ERR_NTFS_3G; + } + return ret; +} - DEBUG("Applying dentry `%s' to NTFS", dentry->full_path_utf8); +/* Applies a WIM dentry to the NTFS volume */ +int apply_dentry_ntfs(struct dentry *dentry, void *arg) +{ + struct apply_args *args = arg; + ntfs_volume *vol = args->vol; + WIMStruct *w = args->w; + ntfs_inode *dir_ni; if (dentry_is_root(dentry)) - return 0; + return apply_root_dentry_ntfs(dentry, vol, w); - if (extract_flags & WIMLIB_EXTRACT_FLAG_VERBOSE) - puts(dentry->full_path_utf8); + dir_ni = dentry_open_parent_ni(dentry, vol); + if (dir_ni) + return do_apply_dentry_ntfs(dentry, dir_ni, arg); + else + return WIMLIB_ERR_NTFS_3G; +} - p = dentry->full_path_utf8 + dentry->full_path_utf8_len; - do { - p--; - } while (*p != '/'); +int apply_dentry_timestamps_ntfs(struct dentry *dentry, void *arg) +{ + struct apply_args *args = arg; + ntfs_volume *vol = args->vol; + u8 *p; + u8 buf[24]; + ntfs_inode *ni; + int ret = 0; - orig = *p; - *p = '\0'; - dir_name = dentry->full_path_utf8; + DEBUG("Setting timestamps on `%s'", dentry->full_path_utf8); - dir_ni = ntfs_pathname_to_inode(vol, NULL, dir_name); - *p = orig; - if (!dir_ni) { + ni = ntfs_pathname_to_inode(vol, NULL, dentry->full_path_utf8); + if (!ni) { ERROR_WITH_ERRNO("Could not find NTFS inode for `%s'", - dir_name); + dentry->full_path_utf8); return WIMLIB_ERR_NTFS_3G; } - DEBUG("Found NTFS inode for `%s'", dir_name); - - ret = do_wim_apply_dentry_ntfs(dentry, dir_ni, w); - if (ntfs_inode_close(dir_ni) != 0) { - if (ret == 0) - ret = WIMLIB_ERR_NTFS_3G; - ERROR_WITH_ERRNO("Failed to close directory inode"); + p = buf; + p = put_u64(p, dentry->d_inode->creation_time); + p = put_u64(p, dentry->d_inode->last_write_time); + p = put_u64(p, dentry->d_inode->last_access_time); + ret = ntfs_inode_set_times(ni, (const char*)buf, 3 * sizeof(u64), 0); + if (ret != 0) { + ERROR_WITH_ERRNO("Failed to set NTFS timestamps on `%s'", + dentry->full_path_utf8); + ret = WIMLIB_ERR_NTFS_3G; } - return ret; - -} -static int do_wim_apply_image_ntfs(WIMStruct *w, const char *device, int extract_flags) -{ - ntfs_volume *vol; - int ret; - - vol = ntfs_mount(device, 0); - if (!vol) { - ERROR_WITH_ERRNO("Failed to mount NTFS volume `%s'", device); - return WIMLIB_ERR_NTFS_3G; - } - struct ntfs_apply_args args = { - .vol = vol, - .extract_flags = extract_flags, - .w = w, - }; - ret = for_dentry_in_tree(wim_root_dentry(w), wim_apply_dentry_ntfs, - &args); - if (ntfs_umount(vol, FALSE) != 0) { - ERROR_WITH_ERRNO("Failed to unmount NTFS volume"); + if (ntfs_inode_close(ni) != 0) { if (ret == 0) ret = WIMLIB_ERR_NTFS_3G; + ERROR_WITH_ERRNO("Failed to close NTFS inode for `%s'", + dentry->full_path_utf8); } return ret; } - -WIMLIBAPI int wimlib_apply_image_to_ntfs_volume(WIMStruct *w, int image, - const char *device, int flags) -{ - int ret; - - if (!device) - return WIMLIB_ERR_INVALID_PARAM; - if (image == WIM_ALL_IMAGES) { - ERROR("Can only apply a single image when applying " - "directly to a NTFS volume"); - return WIMLIB_ERR_INVALID_PARAM; - } - if (flags & (WIMLIB_EXTRACT_FLAG_SYMLINK | WIMLIB_EXTRACT_FLAG_HARDLINK)) { - ERROR("Cannot specifcy symlink or hardlink flags when applying "); - ERROR("directly to a NTFS volume"); - return WIMLIB_ERR_INVALID_PARAM; - } - ret = wimlib_select_image(w, image); - if (ret != 0) - return ret; - -#if 0 - if (getuid() != 0) { - ERROR("We are not root, but NTFS-3g requires root privileges to set arbitrary"); - ERROR("security data on the NTFS filesystem. Please run this program as root"); - ERROR("if you want to extract a WIM image while preserving NTFS-specific"); - ERROR("information."); - - return WIMLIB_ERR_NOT_ROOT; - } -#endif - return do_wim_apply_image_ntfs(w, device, flags); -} - -#else /* WITH_NTFS_3G */ -WIMLIBAPI int wimlib_apply_image_to_ntfs_volume(WIMStruct *w, int image, - const char *device, int flags) -{ - ERROR("wimlib was compiled without support for NTFS-3g, so"); - ERROR("we cannot apply a WIM image directly to a NTFS volume"); - return WIMLIB_ERR_UNSUPPORTED; -} -#endif /* WITH_NTFS_3G */