/*
* ntfs-apply.c
*
- * Apply a WIM image to a NTFS volume. We restore everything we can, including
- * security data and alternate data streams.
+ * 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.
*/
/*
#include "config.h"
-#ifdef WITH_NTFS_3G
#include <ntfs-3g/endians.h>
#include <ntfs-3g/types.h>
-#endif
#include "wimlib_internal.h"
-
-
-#ifdef WITH_NTFS_3G
+#include "buffer_io.h"
#include "dentry.h"
#include "lookup_table.h"
-#include "io.h"
-#include <ntfs-3g/layout.h>
-#include <ntfs-3g/acls.h>
+
#include <ntfs-3g/attrib.h>
#include <ntfs-3g/security.h> /* security.h before xattrs.h */
-#include <ntfs-3g/xattrs.h>
#include <ntfs-3g/reparse.h>
-#include <stdlib.h>
-#include <unistd.h>
+#include <ntfs-3g/xattrs.h>
+#include <string.h>
-struct ntfs_apply_args {
- ntfs_volume *vol;
- int extract_flags;
- WIMStruct *w;
-};
+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_wim_resource_to_ntfs_attr(const struct lookup_table_entry *lte,
ntfs_attr *na)
{
- u64 bytes_remaining = wim_resource_size(lte);
- u8 buf[min(WIM_CHUNK_SIZE, bytes_remaining)];
- u64 offset = 0;
- int ret = 0;
- u8 hash[SHA1_HASH_SIZE];
-
- SHA_CTX ctx;
- sha1_init(&ctx);
-
- while (bytes_remaining) {
- u64 to_read = min(bytes_remaining, WIM_CHUNK_SIZE);
- ret = read_wim_resource(lte, buf, to_read, offset, false);
- if (ret != 0)
- break;
- sha1_update(&ctx, buf, to_read);
- if (ntfs_attr_pwrite(na, offset, to_read, buf) != to_read) {
- ERROR_WITH_ERRNO("Error extracting WIM resource");
- return WIMLIB_ERR_WRITE;
- }
- bytes_remaining -= to_read;
- offset += to_read;
- }
- sha1_final(hash, &ctx);
- if (!hashes_equal(hash, lte->hash)) {
- ERROR("Invalid checksum on a WIM resource "
- "(detected when extracting to NTFS stream)");
- ERROR("The following WIM resource is invalid:");
- print_lookup_table_entry(lte);
- return WIMLIB_ERR_INVALID_RESOURCE_HASH;
- }
- return 0;
+ return extract_wim_resource(lte, wim_resource_size(lte),
+ extract_wim_chunk_to_ntfs_attr, na);
}
-/* Writes the data streams to a NTFS file
+/* Writes the data streams of a WIM inode to the data attributes of a NTFS
+ * inode.
+ *
+ * @ni: The NTFS inode to which the streams are to be extracted.
+ *
+ * @dentry: The WIM dentry being extracted. The @d_inode member points to the
+ * corresponding WIM inode that contains the streams being extracted.
+ * The WIM dentry itself is only needed to provide a file path for
+ * better error messages.
*
- * @ni: The NTFS inode for the file.
- * @inode: The WIM dentry that has an inode containing the streams.
- * @w: The WIMStruct for the WIM containing the image we are applying.
+ * @progress_info: Progress information for the image application. The number
+ * of extracted bytes will be incremented by the uncompressed
+ * size of each stream extracted.
*
* 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)
{
int ret = 0;
unsigned stream_idx = 0;
ntfschar *stream_name = AT_UNNAMED;
u32 stream_name_len = 0;
const struct inode *inode = dentry->d_inode;
+ struct lookup_table_entry *lte;
DEBUG("Writing %u NTFS data stream%s for `%s'",
inode->num_ads + 1,
(inode->num_ads == 0 ? "" : "s"),
dentry->full_path_utf8);
+ lte = inode->lte;
while (1) {
- struct lookup_table_entry *lte;
- ntfs_attr *na;
-
- 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,
}
}
+
/* If there's no lookup table entry, it's an empty stream.
- * Otherwise, we must open the attribute and extract the data.
- * */
+ * Otherwise, 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 "
ret = WIMLIB_ERR_NTFS_3G;
break;
}
+
+ /* The WIM lookup table entry provides the stream
+ * length, so the NTFS attribute should be resized to
+ * this length before starting to extract the data. */
+ ret = ntfs_attr_truncate_solid(na, wim_resource_size(lte));
+ if (ret != 0) {
+ ntfs_attr_close(na);
+ break;
+ }
+
+ /* Actually extract the stream */
ret = extract_wim_resource_to_ntfs_attr(lte, na);
+
+ /* Close the attribute */
+ ntfs_attr_close(na);
if (ret != 0)
break;
- ntfs_attr_close(na);
+
+ /* Record the number of bytes of uncompressed data that
+ * have been extracted. */
+ progress_info->extract.completed_bytes += wim_resource_size(lte);
}
- if (stream_idx == inode->num_ads)
+ if (stream_idx == inode->num_ads) /* Has the last stream been extracted? */
break;
+
+ /* Get the name and lookup table entry for the next stream. */
stream_name = (ntfschar*)inode->ads_entries[stream_idx].stream_name;
stream_name_len = inode->ads_entries[stream_idx].stream_name_len / 2;
+ lte = inode->ads_entries[stream_idx].lte;
stream_idx++;
}
return ret;
}
+/* Open the NTFS inode that corresponds to the parent of a WIM dentry. Returns
+ * the opened inode, or NULL on failure. */
+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;
+}
+
/*
- * Makes a NTFS hard link
+ * Makes a NTFS hard link.
+ *
+ * The hard link 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 @inode->extracted_file.
*
- * 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 @inode->extracted_file.
+ * Or, in other words, this adds a new name @from_dentry->full_path_utf8 to an
+ * existing NTFS inode which already has a name @inode->extracted_file.
*
* Return 0 on success, nonzero on failure.
*/
-static int wim_apply_hardlink_ntfs(const struct dentry *from_dentry,
- const struct inode *inode,
- ntfs_inode *dir_ni,
- ntfs_inode **to_ni_ret)
+static int apply_ntfs_hardlink(const struct dentry *from_dentry,
+ const struct inode *inode,
+ ntfs_inode **dir_ni_p)
{
int ret;
- char *p;
- char orig;
- const char *dir_name;
-
ntfs_inode *to_ni;
+ ntfs_inode *dir_ni;
ntfs_volume *vol;
- wimlib_assert(dentry_is_regular_file(from_dentry)
- && inode_is_regular_file(inode));
-
- if (ntfs_inode_close(dir_ni) != 0) {
+ 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;
}
- vol = dir_ni->vol;
-
DEBUG("Extracting NTFS hard link `%s' => `%s'",
from_dentry->full_path_utf8, inode->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);
+ dir_ni = dentry_open_parent_ni(from_dentry, vol);
if (!dir_ni) {
- ERROR_WITH_ERRNO("Could not find NTFS inode for `%s'",
- from_dentry->full_path_utf8);
- *p = orig;
+ ntfs_inode_close(to_ni);
return WIMLIB_ERR_NTFS_3G;
}
- *p = orig;
+
+ *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,
inode->extracted_file);
ret = WIMLIB_ERR_NTFS_3G;
}
- *to_ni_ret = to_ni;
return ret;
}
+/* Transfers file attributes and possibly a security descriptor from a WIM inode
+ * to a NTFS inode.
+ *
+ * @ni: The NTFS inode to apply the metadata to.
+ * @dir_ni: The NTFS inode for a directory containing @ni.
+ * @dentry: The WIM dentry whose inode contains the metadata to apply.
+ * @w: The WIMStruct for the WIM, through which the table of security
+ * descriptors can be accessed.
+ *
+ * Returns 0 on success, nonzero on failure.
+ */
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);
+ const struct inode *inode;
+
+ inode = dentry->d_inode;
+
+ DEBUG("Setting NTFS file attributes on `%s' to %#"PRIx32,
+ dentry->full_path_utf8, inode->attributes);
+
+ attributes_le32 = cpu_to_le32(inode->attributes);
memset(&ctx, 0, sizeof(ctx));
ctx.vol = ni->vol;
ret = ntfs_xattr_system_setxattr(&ctx, XATTR_NTFS_ATTRIB,
dentry->full_path_utf8);
return WIMLIB_ERR_NTFS_3G;
}
- if (dentry->d_inode->security_id != -1) {
+ if (inode->security_id != -1) {
+ const char *desc;
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 = sd->descriptors[dentry->d_inode->security_id];
+ wimlib_assert(inode->security_id < sd->num_entries);
+ desc = (const char *)sd->descriptors[inode->security_id];
DEBUG("Applying security descriptor %d to `%s'",
- dentry->d_inode->security_id, dentry->full_path_utf8);
+ 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);
-
+ ni, dir_ni, desc,
+ sd->sizes[inode->security_id], 0);
+
if (ret != 0) {
ERROR_WITH_ERRNO("Failed to set security data on `%s'",
dentry->full_path_utf8);
return 0;
}
+/*
+ * Transfers the reparse data from a WIM inode (which must represent a reparse
+ * point) to a NTFS inode.
+ */
static int apply_reparse_data(ntfs_inode *ni, const struct dentry *dentry,
- const WIMStruct *w)
+ union wimlib_progress_info *progress_info)
{
struct lookup_table_entry *lte;
int ret = 0;
- wimlib_assert(dentry->d_inode->attributes & FILE_ATTRIBUTE_REPARSE_POINT);
-
- lte = inode_unnamed_lte(dentry->d_inode, w->lookup_table);
+ lte = inode_unnamed_lte_resolved(dentry->d_inode);
DEBUG("Applying reparse data to `%s'", dentry->full_path_utf8);
}
if (wim_resource_size(lte) >= 0xffff) {
- ERROR("Reparse data of `%s' is too long (%lu bytes)",
+ ERROR("Reparse data of `%s' is too long (%"PRIu64" bytes)",
dentry->full_path_utf8, wim_resource_size(lte));
return WIMLIB_ERR_INVALID_DENTRY;
}
p = put_u16(p, wim_resource_size(lte)); /* ReparseDataLength */
p = put_u16(p, 0); /* Reserved */
- ret = read_full_wim_resource(lte, p);
+ ret = read_full_wim_resource(lte, p, 0);
if (ret != 0)
return ret;
dentry->full_path_utf8);
return WIMLIB_ERR_NTFS_3G;
}
+ progress_info->extract.completed_bytes += wim_resource_size(lte);
return 0;
}
-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);
-/*
+/*
* 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,
*/
static int preapply_dentry_with_dos_name(struct dentry *dentry,
ntfs_inode **dir_ni_p,
- WIMStruct *w)
+ struct apply_args *args)
{
struct dentry *other;
struct dentry *dentry_with_dos_name;
}
}
/* If there's a dentry with a DOS name, extract it first */
- if (dentry_with_dos_name && !dentry_is_extracted(dentry)) {
+ if (dentry_with_dos_name && !dentry_with_dos_name->is_extracted) {
char *p;
const char *dir_name;
char orig;
DEBUG("pre-applying DOS name `%s'",
dentry_with_dos_name->full_path_utf8);
- ret = do_wim_apply_dentry_ntfs(dentry_with_dos_name,
- *dir_ni_p, w);
+ ret = do_apply_dentry_ntfs(dentry_with_dos_name,
+ *dir_ni_p, args);
if (ret != 0)
return ret;
- 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_p = ntfs_pathname_to_inode(vol, NULL, dir_name);
- *p = orig;
- if (!*dir_ni_p) {
- ERROR_WITH_ERRNO("Could not find NTFS inode for `%s'",
- dir_name);
+
+ *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)
{
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 = true;
+ dentry->is_extracted = 1;
if (inode->attributes & FILE_ATTRIBUTE_DIRECTORY) {
type = S_IFDIR;
} else {
- struct dentry *other;
-
- /* Apply hard-linked directory in same directory with DOS name
- * (if there is one) before this dentry */
+ /* 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, w);
+ &dir_ni, args);
if (ret != 0)
return ret;
}
-
type = S_IFREG;
-
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. */
+ /* Inode has multiple dentries referencing it. */
+
if (inode->extracted_file) {
- ret = wim_apply_hardlink_ntfs(dentry, inode,
- dir_ni, &ni);
- is_hardlink = true;
- if (ret)
- goto out_close_dir_ni;
- else
+ /* Already extracted another dentry in the hard
+ * link group. Make a hard link instead of
+ * extracting the file data. */
+ ret = apply_ntfs_hardlink(dentry, inode,
+ &dir_ni);
+ if (ret == 0)
goto out_set_dos_name;
+ else
+ goto out_close_dir_ni;
+ } else {
+ /* None of the dentries of this inode have been
+ * extracted yet, so go ahead and extract the
+ * first one. */
+ 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;
+ }
}
- /* 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)
- return WIMLIB_ERR_NOMEM;
}
}
- /*
- * Create a directory or file.
+ /* Create a NTFS directory or file.
*
- * Note: For symbolic links that are not directory junctions, pass
- * S_IFREG here, since we manually set the reparse data later.
- */
+ * Note: For symbolic links that are not directory junctions, S_IFREG is
+ * passed here, since the reparse data and file attributes are set
+ * later. */
ni = ntfs_create(dir_ni, 0, (ntfschar*)dentry->file_name,
dentry->file_name_len / 2, type);
if (!ni) {
- ERROR_WITH_ERRNO("Could not create NTFS object for `%s'",
+ ERROR_WITH_ERRNO("Could not create NTFS inode for `%s'",
dentry->full_path_utf8);
ret = WIMLIB_ERR_NTFS_3G;
goto out_close_dir_ni;
* */
if (!(inode->attributes & (FILE_ATTRIBUTE_REPARSE_POINT |
FILE_ATTRIBUTE_DIRECTORY))) {
- ret = write_ntfs_data_streams(ni, dentry, w);
+ ret = write_ntfs_data_streams(ni, dentry, &args->progress);
if (ret != 0)
goto out_close_dir_ni;
}
- ret = apply_file_attributes_and_security_data(ni, dir_ni, dentry, w);
+ ret = apply_file_attributes_and_security_data(ni, dir_ni, dentry,
+ args->w);
if (ret != 0)
goto out_close_dir_ni;
if (inode->attributes & FILE_ATTR_REPARSE_POINT) {
- ret = apply_reparse_data(ni, dentry, w);
+ ret = apply_reparse_data(ni, dentry, &args->progress);
if (ret != 0)
goto out_close_dir_ni;
}
char *short_name_utf8;
size_t short_name_utf8_len;
- short_name_utf8 = utf16_to_utf8(dentry->short_name,
- dentry->short_name_len,
- &short_name_utf8_len);
- if (!short_name_utf8) {
- ERROR("Out of memory");
- ret = WIMLIB_ERR_NOMEM;
+ 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) {
- char *p;
- char orig;
- const char *dir_name;
- /* ntfs_set_ntfs_dos_name() closes the inodes in the
- * wrong order if we have applied a hard link. Close
- * them ourselves, then re-open then. */
- if (ntfs_inode_close(dir_ni) != 0) {
- if (ret == 0)
- ret = WIMLIB_ERR_NTFS_3G;
- ERROR_WITH_ERRNO("Failed to close directory inode");
- }
- if (ntfs_inode_close(ni) != 0) {
- if (ret == 0)
- ret = WIMLIB_ERR_NTFS_3G;
- ERROR_WITH_ERRNO("Failed to close hard link target inode");
- }
- 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);
- *p = orig;
- if (!dir_ni) {
- ERROR_WITH_ERRNO("Could not find NTFS inode for `%s'",
- dir_name);
- return WIMLIB_ERR_NTFS_3G;
- }
+ if (!ni) {
+ /* Hardlink was made; linked inode needs to be looked up
+ * again. */
ni = ntfs_pathname_to_inode(vol, dir_ni,
dentry->file_name_utf8);
if (!ni) {
ERROR_WITH_ERRNO("Could not find NTFS inode for `%s'",
- dir_name);
- return WIMLIB_ERR_NTFS_3G;
+ dentry->full_path_utf8);
+ FREE(short_name_utf8);
+ ret = WIMLIB_ERR_NTFS_3G;
+ goto out_close_dir_ni;
}
}
}
out_close_dir_ni:
- if (ntfs_inode_close(dir_ni) != 0) {
- if (ret == 0)
- ret = WIMLIB_ERR_NTFS_3G;
- ERROR_WITH_ERRNO("Failed to close directory inode");
- }
- if (ni && ntfs_inode_close(ni) != 0) {
- if (ret == 0)
- ret = WIMLIB_ERR_NTFS_3G;
- ERROR_WITH_ERRNO("Failed to close inode");
+ 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 inode of directory "
+ "containing `%s'", dentry->full_path_utf8);
+ }
+ } else {
+ wimlib_assert(ni == NULL);
}
return ret;
}
-static int wim_apply_root_dentry_ntfs(const struct dentry *dentry,
- ntfs_volume *vol,
- const WIMStruct *w)
+static int apply_root_dentry_ntfs(const struct dentry *dentry,
+ ntfs_volume *vol, const WIMStruct *w)
{
ntfs_inode *ni;
int ret = 0;
- wimlib_assert(dentry_is_directory(dentry));
ni = ntfs_pathname_to_inode(vol, NULL, "/");
if (!ni) {
ERROR_WITH_ERRNO("Could not find root NTFS inode");
}
/* Applies a WIM dentry to the NTFS volume */
-static int wim_apply_dentry_ntfs(struct dentry *dentry, void *arg)
+int apply_dentry_ntfs(struct dentry *dentry, void *arg)
{
- struct ntfs_apply_args *args = arg;
- ntfs_volume *vol = args->vol;
- int extract_flags = args->extract_flags;
- WIMStruct *w = args->w;
+ struct apply_args *args = arg;
+ ntfs_volume *vol = args->vol;
+ WIMStruct *w = args->w;
ntfs_inode *dir_ni;
- char *p;
- char orig;
- const char *dir_name;
-
- if (dentry_is_extracted(dentry))
- return 0;
-
- wimlib_assert(dentry->full_path_utf8);
-
- DEBUG("Applying dentry `%s' to NTFS", dentry->full_path_utf8);
-
- if (extract_flags & WIMLIB_EXTRACT_FLAG_VERBOSE)
- puts(dentry->full_path_utf8);
if (dentry_is_root(dentry))
- return wim_apply_root_dentry_ntfs(dentry, vol, w);
-
- p = dentry->full_path_utf8 + dentry->full_path_utf8_len;
- do {
- p--;
- } while (*p != '/');
+ return apply_root_dentry_ntfs(dentry, vol, w);
- orig = *p;
- *p = '\0';
- dir_name = dentry->full_path_utf8;
-
- dir_ni = ntfs_pathname_to_inode(vol, NULL, dir_name);
- *p = orig;
- if (!dir_ni) {
- ERROR_WITH_ERRNO("Could not find NTFS inode for `%s'",
- dir_name);
+ 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;
- }
- return do_wim_apply_dentry_ntfs(dentry, dir_ni, w);
}
-static int wim_apply_dentry_timestamps(struct dentry *dentry, void *arg)
+/* Transfers the 100-nanosecond precision timestamps from a WIM dentry to a NTFS
+ * inode */
+int apply_dentry_timestamps_ntfs(struct dentry *dentry, void *arg)
{
- struct ntfs_apply_args *args = arg;
- ntfs_volume *vol = args->vol;
+ struct apply_args *args = arg;
+ ntfs_volume *vol = args->vol;
u8 *p;
u8 buf[24];
ntfs_inode *ni;
- int ret = 0;
-
+ int ret;
DEBUG("Setting 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);
- if (!vol) {
- ERROR_WITH_ERRNO("Failed to mount NTFS volume `%s'", device);
- return WIMLIB_ERR_NTFS_3G;
- }
- 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;
-
- 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) {
- ERROR_WITH_ERRNO("Failed to unmount NTFS volume `%s'", device);
- if (ret == 0)
- ret = WIMLIB_ERR_NTFS_3G;
- }
- return ret;
-}
-
-
-/*
- * API entry point for applying a WIM image to a NTFS volume.
- *
- * Please note that this is a NTFS *volume* and not a directory. The intention
- * is that the volume contain an empty filesystem, and the WIM image contain a
- * 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,
- WIMStruct **additional_swms,
- unsigned num_additional_swms)
-{
- struct lookup_table *joined_tab, *w_tab_save;
- int ret;
-
- 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 "
- "directly to a NTFS volume");
- return WIMLIB_ERR_INVALID_PARAM;
- }
- if (flags & (WIMLIB_EXTRACT_FLAG_SYMLINK | WIMLIB_EXTRACT_FLAG_HARDLINK)) {
- ERROR("Cannot specify symlink or hardlink flags when applying ");
- ERROR("directly to a NTFS volume");
- return WIMLIB_ERR_INVALID_PARAM;
- }
-
- ret = verify_swm_set(w, additional_swms, num_additional_swms);
- if (ret != 0)
- return ret;
-
- 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);
-
-out:
- if (num_additional_swms) {
- free_lookup_table(w->lookup_table);
- w->lookup_table = w_tab_save;
- }
- return ret;
-}
-
-#else /* WITH_NTFS_3G */
-WIMLIBAPI int wimlib_apply_image_to_ntfs_volume(WIMStruct *w, int image,
- 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");
- return WIMLIB_ERR_UNSUPPORTED;
-}
-#endif /* WITH_NTFS_3G */
git://wimlib.net / wimlib / blobdiff