/*
* ntfs-apply.c
*
- * Apply a WIM image to a NTFS volume, restoring everything we can, including
- * security data and alternate data streams. There should be no loss of
- * information.
+ * Apply a WIM image to a NTFS volume. We restore everything we can, including
+ * security data and alternate data streams.
*/
/*
* 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"
+
+#ifdef WITH_NTFS_3G
+#include <ntfs-3g/endians.h>
+#include <ntfs-3g/types.h>
+#endif
+
#include "wimlib_internal.h"
#include <ntfs-3g/layout.h>
#include <ntfs-3g/acls.h>
#include <ntfs-3g/attrib.h>
-#include <ntfs-3g/misc.h>
+#include <ntfs-3g/security.h> /* security.h before xattrs.h */
+#include <ntfs-3g/xattrs.h>
#include <ntfs-3g/reparse.h>
-#include <ntfs-3g/security.h>
-#include <ntfs-3g/volume.h>
#include <stdlib.h>
#include <unistd.h>
WIMStruct *w;
};
-extern int _ntfs_set_file_security(ntfs_inode *ni, u32 selection,
- const char *attr);
-extern int _ntfs_set_file_attributes(ntfs_inode *ni, s32 attrib);
-
/*
* Extracts a WIM resource to a NTFS attribute.
*/
ntfs_attr *na)
{
u64 bytes_remaining = wim_resource_size(lte);
- char buf[min(WIM_CHUNK_SIZE, bytes_remaining)];
+ u8 buf[min(WIM_CHUNK_SIZE, bytes_remaining)];
u64 offset = 0;
int ret = 0;
u8 hash[SHA1_HASH_SIZE];
sha1_final(hash, &ctx);
if (!hashes_equal(hash, lte->hash)) {
ERROR("Invalid checksum on a WIM resource "
- "(detected when extracting to NTFS stream file)");
+ "(detected when extracting to NTFS stream)");
ERROR("The following WIM resource is invalid:");
print_lookup_table_entry(lte);
return WIMLIB_ERR_INVALID_RESOURCE_HASH;
/* Writes the data streams to a NTFS file
*
* @ni: The NTFS inode for the file.
- * @dentry: The directory entry in the WIM file.
+ * @inode: The WIM dentry that has an inode containing the streams.
* @w: The WIMStruct for the WIM containing the image we are applying.
*
* Returns 0 on success, nonzero on failure.
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'",
- dentry->num_ads + 1,
- (dentry->num_ads == 0 ? "" : "s"),
+ inode->num_ads + 1,
+ (inode->num_ads == 0 ? "" : "s"),
dentry->full_path_utf8);
while (1) {
struct lookup_table_entry *lte;
ntfs_attr *na;
- lte = dentry_stream_lte(dentry, stream_idx, w->lookup_table);
- 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;
+ lte = inode_stream_lte(inode, stream_idx, w->lookup_table);
+
+ 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;
+
+ }
}
- if (lte)
+ /* If there's no lookup table entry, it's an empty stream.
+ * Otherwise, we must open the attribute and extract the data.
+ * */
+ if (lte) {
+ 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 = extract_wim_resource_to_ntfs_attr(lte, na);
- ntfs_attr_close(na);
- if (ret != 0)
- break;
- if (stream_idx == dentry->num_ads)
+ if (ret != 0)
+ break;
+ ntfs_attr_close(na);
+ }
+ if (stream_idx == inode->num_ads)
break;
- stream_name = (ntfschar*)dentry->ads_entries[stream_idx].stream_name;
- stream_name_len = dentry->ads_entries[stream_idx].stream_name_len / 2;
+ 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;
*
* 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,
+ const struct inode *inode,
ntfs_inode *dir_ni,
ntfs_inode **to_ni_ret)
{
int ret;
+ char *p;
+ char orig;
+ const char *dir_name;
+
ntfs_inode *to_ni;
+ ntfs_volume *vol;
wimlib_assert(dentry_is_regular_file(from_dentry)
- && dentry_is_regular_file(to_dentry));
+ && inode_is_regular_file(inode));
+
+ if (ntfs_inode_close(dir_ni) != 0) {
+ ERROR_WITH_ERRNO("Error closing directory");
+ return WIMLIB_ERR_NTFS_3G;
+ }
+
+ vol = dir_ni->vol;
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;
+ }
+ p = from_dentry->full_path_utf8 + from_dentry->full_path_utf8_len;
+ do {
+ p--;
+ } while (*p != '/');
+
+ orig = *p;
+ *p = '\0';
+ dir_name = from_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'",
+ from_dentry->full_path_utf8);
+ *p = orig;
return WIMLIB_ERR_NTFS_3G;
}
+ *p = orig;
+
ret = ntfs_link(to_ni, dir_ni,
(ntfschar*)from_dentry->file_name,
from_dentry->file_name_len / 2);
if (ret != 0) {
ERROR_WITH_ERRNO("Could not create hard link `%s' => `%s'",
from_dentry->full_path_utf8,
- to_dentry->extracted_file);
+ inode->extracted_file);
ret = WIMLIB_ERR_NTFS_3G;
}
*to_ni_ret = to_ni;
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->attributes);
- if (!_ntfs_set_file_attributes(ni, dentry->attributes)) {
+ 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->security_id != -1) {
+ 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->security_id < sd->num_entries);
+ wimlib_assert(dentry->d_inode->security_id < sd->num_entries);
+ descriptor = sd->descriptors[dentry->d_inode->security_id];
DEBUG("Applying security descriptor %d to `%s'",
- dentry->security_id, dentry->full_path_utf8);
- u32 selection = OWNER_SECURITY_INFORMATION |
- GROUP_SECURITY_INFORMATION |
- DACL_SECURITY_INFORMATION |
- SACL_SECURITY_INFORMATION;
+ 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 (!_ntfs_set_file_security(ni, selection,
- sd->descriptors[dentry->security_id]))
- {
+ if (ret != 0) {
ERROR_WITH_ERRNO("Failed to set security data on `%s'",
dentry->full_path_utf8);
return WIMLIB_ERR_NTFS_3G;
struct lookup_table_entry *lte;
int ret = 0;
- wimlib_assert(dentry->attributes & FILE_ATTRIBUTE_REPARSE_POINT);
+ wimlib_assert(dentry->d_inode->attributes & FILE_ATTRIBUTE_REPARSE_POINT);
- lte = dentry_first_lte(dentry, w->lookup_table);
+ lte = inode_unnamed_lte(dentry->d_inode, w->lookup_table);
DEBUG("Applying reparse data to `%s'", dentry->full_path_utf8);
return WIMLIB_ERR_INVALID_DENTRY;
}
- char reparse_data_buf[8 + wim_resource_size(lte)];
- char *p = reparse_data_buf;
- p = put_u32(p, dentry->reparse_tag); /* ReparseTag */
+ 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 */
if (ret != 0)
return ret;
- ret = ntfs_set_ntfs_reparse_data(ni, reparse_data_buf,
+ 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'",
ntfs_inode **dir_ni_p,
WIMStruct *w)
{
- int ret;
struct dentry *other;
struct dentry *dentry_with_dos_name;
- if (dentry->link_group_list.next == &dentry->link_group_list)
- return 0;
-
dentry_with_dos_name = NULL;
- list_for_each_entry(other, &dentry->link_group_list,
- link_group_list)
- {
- if (dentry->parent == other->parent && other->short_name_len) {
+ 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",
}
}
/* If there's a dentry with a DOS name, extract it first */
- if (dentry_with_dos_name && !dentry_with_dos_name->extracted_file) {
+ if (dentry_with_dos_name && !dentry_is_extracted(dentry)) {
char *p;
const char *dir_name;
char orig;
+ int ret;
ntfs_volume *vol = (*dir_ni_p)->vol;
DEBUG("pre-applying DOS name `%s'",
ntfs_inode *ni = NULL;
bool is_hardlink = false;
ntfs_volume *vol = dir_ni->vol;
+ struct inode *inode = dentry->d_inode;
+ dentry->is_extracted = true;
- if (dentry->attributes & FILE_ATTRIBUTE_DIRECTORY) {
+ if (inode->attributes & FILE_ATTRIBUTE_DIRECTORY) {
type = S_IFDIR;
} else {
struct dentry *other;
- ret = preapply_dentry_with_dos_name(dentry, &dir_ni, w);
- if (ret != 0)
- return ret;
+ /* Apply hard-linked directory in same directory with DOS name
+ * (if there is one) before this dentry */
+ if (dentry->short_name_len == 0) {
+ ret = preapply_dentry_with_dos_name(dentry,
+ &dir_ni, w);
+ if (ret != 0)
+ return ret;
+ }
type = S_IFREG;
- /* See if we can make a hard link */
- list_for_each_entry(other, &dentry->link_group_list,
- link_group_list) {
- if (other->extracted_file) {
- ret = wim_apply_hardlink_ntfs(dentry, other,
+
+ if (inode->link_count > 1) {
+ /* Already extracted another dentry in the hard link
+ * group. We can make a hard link instead of extracting
+ * the file data. */
+ if (inode->extracted_file) {
+ ret = wim_apply_hardlink_ntfs(dentry, inode,
dir_ni, &ni);
is_hardlink = true;
- if (ret != 0)
+ if (ret)
goto out_close_dir_ni;
else
goto out_set_dos_name;
}
- }
- /* Can't make a hard link */
- 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;
+ /* 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;
+ }
}
}
/* Write the data streams, unless this is a directory or reparse point
* */
- if (!dentry_is_directory(dentry) &&
- !(dentry->attributes & FILE_ATTRIBUTE_REPARSE_POINT)) {
+ if (!(inode->attributes & (FILE_ATTRIBUTE_REPARSE_POINT |
+ FILE_ATTRIBUTE_DIRECTORY))) {
ret = write_ntfs_data_streams(ni, dentry, w);
if (ret != 0)
goto out_close_dir_ni;
}
- ret = apply_file_attributes_and_security_data(ni, dentry, w);
+ ret = apply_file_attributes_and_security_data(ni, dir_ni, dentry, w);
if (ret != 0)
goto out_close_dir_ni;
- if (dentry->attributes & FILE_ATTR_REPARSE_POINT) {
+ if (inode->attributes & FILE_ATTR_REPARSE_POINT) {
ret = apply_reparse_data(ni, dentry, w);
if (ret != 0)
goto out_close_dir_ni;
ret = WIMLIB_ERR_NTFS_3G;
ERROR_WITH_ERRNO("Failed to close directory inode");
}
-out_close_ni:
if (ni && ntfs_inode_close(ni) != 0) {
if (ret == 0)
ret = WIMLIB_ERR_NTFS_3G;
ERROR_WITH_ERRNO("Could not find root NTFS inode");
return WIMLIB_ERR_NTFS_3G;
}
- ret = apply_file_attributes_and_security_data(ni, dentry, w);
+ 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");
int extract_flags = args->extract_flags;
WIMStruct *w = args->w;
ntfs_inode *dir_ni;
- int ret;
char *p;
char orig;
- ntfs_inode *close_after_dir;
const char *dir_name;
- if (dentry->extracted_file)
+ if (dentry_is_extracted(dentry))
return 0;
wimlib_assert(dentry->full_path_utf8);
dir_name = dentry->full_path_utf8;
dir_ni = ntfs_pathname_to_inode(vol, NULL, dir_name);
- if (dir_ni)
- DEBUG("Found NTFS inode for `%s'", dir_name);
*p = orig;
if (!dir_ni) {
ERROR_WITH_ERRNO("Could not find NTFS inode for `%s'",
{
struct ntfs_apply_args *args = arg;
ntfs_volume *vol = args->vol;
- int extract_flags = args->extract_flags;
- WIMStruct *w = args->w;
- char *p;
- char buf[24];
+ u8 *p;
+ u8 buf[24];
ntfs_inode *ni;
int ret = 0;
}
p = buf;
- p = put_u64(p, dentry->creation_time);
- p = put_u64(p, dentry->last_write_time);
- p = put_u64(p, dentry->last_access_time);
- ret = ntfs_inode_set_times(ni, buf, 3 * sizeof(u64), 0);
+ 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);
return ret;
}
+static int dentry_set_unextracted(struct dentry *dentry, void *ignore)
+{
+ dentry->is_extracted = false;
+ return 0;
+}
+
static int do_wim_apply_image_ntfs(WIMStruct *w, const char *device, int extract_flags)
{
ntfs_volume *vol;
int ret;
+ struct dentry *root;
+ struct ntfs_apply_args args;
DEBUG("Mounting NTFS volume `%s'", device);
vol = ntfs_mount(device, 0);
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);
+ args.vol = vol;
+ args.extract_flags = extract_flags;
+ args.w = w;
+ root = wim_root_dentry(w);
+ for_dentry_in_tree(root, dentry_set_unextracted, NULL);
+ ret = for_dentry_in_tree(root, wim_apply_dentry_ntfs, &args);
if (ret != 0)
goto out;
- DEBUG("Setting NTFS timestamps");
- ret = for_dentry_in_tree_depth(wim_root_dentry(w),
- wim_apply_dentry_timestamps,
+
+ if (extract_flags & WIMLIB_EXTRACT_FLAG_VERBOSE)
+ printf("Setting timestamps of extracted files on NTFS "
+ "volume `%s'\n", device);
+ ret = for_dentry_in_tree_depth(root, wim_apply_dentry_timestamps,
&args);
+
+ if (ret == 0 && (extract_flags & WIMLIB_EXTRACT_FLAG_VERBOSE))
+ printf("Finished applying image %d of %s to NTFS "
+ "volume `%s'\n",
+ w->current_image,
+ w->filename ? w->filename : "WIM",
+ device);
out:
DEBUG("Unmounting NTFS volume `%s'", device);
if (ntfs_umount(vol, FALSE) != 0) {
* full filesystem to be applied to the volume.
*/
WIMLIBAPI int wimlib_apply_image_to_ntfs_volume(WIMStruct *w, int image,
- const char *device, int flags)
+ const char *device, int flags,
+ WIMStruct **additional_swms,
+ unsigned num_additional_swms)
{
+ struct lookup_table *joined_tab, *w_tab_save;
int ret;
- if (!device)
+ DEBUG("w->filename = %s, image = %d, device = %s, flags = 0x%x, "
+ "num_additional_swms = %u",
+ w->filename, image, device, flags, num_additional_swms);
+
+ if (!w || !device)
return WIMLIB_ERR_INVALID_PARAM;
if (image == WIM_ALL_IMAGES) {
ERROR("Can only apply a single image when applying "
ERROR("directly to a NTFS volume");
return WIMLIB_ERR_INVALID_PARAM;
}
- ret = wimlib_select_image(w, image);
+
+ ret = verify_swm_set(w, additional_swms, num_additional_swms);
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.");
+ if (num_additional_swms) {
+ ret = new_joined_lookup_table(w, additional_swms,
+ num_additional_swms, &joined_tab);
+ if (ret != 0)
+ return ret;
+ w_tab_save = w->lookup_table;
+ w->lookup_table = joined_tab;
+ }
+
+ ret = wimlib_select_image(w, image);
+ if (ret != 0)
+ goto out;
+
+ ret = do_wim_apply_image_ntfs(w, device, flags);
- return WIMLIB_ERR_NOT_ROOT;
+out:
+ if (num_additional_swms) {
+ free_lookup_table(w->lookup_table);
+ w->lookup_table = w_tab_save;
}
-#endif
- return do_wim_apply_image_ntfs(w, device, flags);
+ return ret;
}
#else /* WITH_NTFS_3G */
WIMLIBAPI int wimlib_apply_image_to_ntfs_volume(WIMStruct *w, int image,
- const char *device, int flags)
+ const char *device, int flags,
+ WIMStruct **additional_swms,
+ unsigned num_additional_swms)
{
ERROR("wimlib was compiled without support for NTFS-3g, so");
ERROR("we cannot apply a WIM image directly to a NTFS volume");
git://wimlib.net / wimlib / blobdiff