struct wimlib_fd;
+typedef struct _ntfs_attr ntfs_attr;
+typedef struct _ntfs_volume ntfs_volume;
+struct ntfs_location {
+ ntfs_volume *vol;
+ const char *path;
+ const char *ads_name;
+};
+
/*
* An entry in the lookup table in the WIM file.
*
RESOURCE_IN_FILE_ON_DISK,
RESOURCE_IN_STAGING_FILE,
RESOURCE_IN_ATTACHED_BUFFER,
+ RESOURCE_IN_NTFS_VOLUME,
} resource_location;
/* Number of times this lookup table entry is referenced by dentries. */
char *file_on_disk;
char *staging_file_name;
u8 *attached_buffer;
+ struct ntfs_location *ntfs_location;
};
union {
struct lookup_table_entry *next_lte_in_swm;
FILE *file_on_disk_fp;
+ ntfs_attr *attr;
};
#ifdef WITH_FUSE
/* File descriptors table for this data stream */
* the regular files in the tree into the WIM as file resources.
*/
static int build_dentry_tree(struct dentry *root, const char *root_disk_path,
- struct lookup_table* lookup_table,
- int add_flags)
+ struct lookup_table *lookup_table,
+ struct wim_security_data *sd,
+ int add_flags,
+ void *extra_arg)
{
DEBUG("%s", root_disk_path);
struct stat root_stbuf;
if (!child)
return WIMLIB_ERR_NOMEM;
ret = build_dentry_tree(child, name, lookup_table,
- add_flags);
+ sd, add_flags, extra_arg);
link_dentry(child, root);
if (ret != 0)
break;
* @w: The WIMStruct for the WIM file.
* @root_dentry: The root of the directory tree for the image.
*/
-static int add_new_dentry_tree(WIMStruct *w, struct dentry *root_dentry)
+static int add_new_dentry_tree(WIMStruct *w, struct dentry *root_dentry,
+ struct wim_security_data *sd)
{
struct lookup_table_entry *metadata_lte;
struct image_metadata *imd;
struct image_metadata *new_imd;
- struct wim_security_data *sd;
struct link_group_table *lgt;
DEBUG("Reallocating image metadata array for image_count = %u",
metadata_lte = new_lookup_table_entry();
if (!metadata_lte)
goto out_free_imd;
- sd = CALLOC(1, sizeof(struct wim_security_data));
- if (!sd)
- goto out_free_metadata_lte;
- sd->refcnt = 1;
- sd->total_length = 8;
lgt = new_link_group_table(9001);
if (!lgt)
int ret;
struct dentry *root;
struct wim_pair wims;
+ struct wim_security_data *sd;
if (src_image == WIM_ALL_IMAGES) {
if (src_wim->hdr.image_count > 1) {
* wimlib_export_image() is documented as leaving dest_wim is an
* indeterminate state. */
root = wim_root_dentry(src_wim);
+ sd = wim_security_data(src_wim);
for_dentry_in_tree(root, increment_dentry_refcnt, NULL);
wims.src_wim = src_wim;
wims.dest_wim = dest_wim;
ret = for_dentry_in_tree(root, add_lte_to_dest_wim, &wims);
if (ret != 0)
return ret;
- ret = add_new_dentry_tree(dest_wim, root);
+ ret = add_new_dentry_tree(dest_wim, root, sd);
if (ret != 0)
return ret;
- /* Bring over old security data */
- struct wim_security_data *sd = wim_security_data(src_wim);
- struct image_metadata *new_imd = wim_get_current_image_metadata(dest_wim);
- wimlib_assert(sd);
- free_security_data(new_imd->security_data);
- new_imd->security_data = sd;
sd->refcnt++;
if (flags & WIMLIB_EXPORT_FLAG_BOOT) {
const char *description, const char *flags_element,
int flags,
int (*capture_tree)(struct dentry *, const char *,
- struct lookup_table *, int))
+ struct lookup_table *,
+ struct wim_security_data *, int, void *),
+ void *extra_arg)
{
struct dentry *root_dentry;
struct image_metadata *imd;
+ struct wim_security_data *sd;
int ret;
DEBUG("Adding dentry tree from dir `%s'.", dir);
if (!root_dentry)
return WIMLIB_ERR_NOMEM;
+
+ sd = CALLOC(1, sizeof(struct wim_security_data));
+ if (!sd)
+ goto out_free_dentry_tree;
+ sd->total_length = 8;
+ sd->refcnt = 1;
+
DEBUG("Building dentry tree.");
- ret = (*capture_tree)(root_dentry, dir, w->lookup_table,
- flags | WIMLIB_ADD_IMAGE_FLAG_ROOT);
+ ret = (*capture_tree)(root_dentry, dir, w->lookup_table, sd,
+ flags | WIMLIB_ADD_IMAGE_FLAG_ROOT,
+ extra_arg);
if (ret != 0) {
ERROR("Failed to build dentry tree for `%s'", dir);
- goto out_free_dentry_tree;
+ goto out_free_sd;
}
DEBUG("Calculating full paths of dentries.");
ret = for_dentry_in_tree(root_dentry, calculate_dentry_full_path, NULL);
if (ret != 0)
- goto out_free_dentry_tree;
+ goto out_free_sd;
- ret = add_new_dentry_tree(w, root_dentry);
+ ret = add_new_dentry_tree(w, root_dentry, sd);
if (ret != 0)
- goto out_free_dentry_tree;
+ goto out_free_sd;
DEBUG("Inserting dentries into hard link group table");
ret = for_dentry_in_tree(root_dentry, link_group_table_insert,
w->lookup_table);
w->hdr.image_count--;
return ret;
+out_free_sd:
+ free_security_data(sd);
out_free_dentry_tree:
free_dentry_tree(root_dentry, w->lookup_table);
return ret;
const char *flags_element, int flags)
{
return do_add_image(w, dir, name, description, flags_element, flags,
- build_dentry_tree);
+ build_dentry_tree, NULL);
}
}
#endif
+static int ntfs_attr_sha1sum(ntfs_inode *ni, ATTR_RECORD *ar,
+ u8 md[SHA1_HASH_SIZE])
+{
+ s64 pos = 0;
+ s64 bytes_remaining;
+ char buf[4096];
+ ntfs_attr *na;
+ SHA_CTX ctx;
+
+ na = ntfs_attr_open(ni, ar->type,
+ (ntfschar*)((u8*)ar + le16_to_cpu(ar->name_offset)),
+ ar->name_length);
+ if (!na) {
+ ERROR_WITH_ERRNO("Failed to open NTFS attribute");
+ return WIMLIB_ERR_NTFS_3G;
+ }
+
+ bytes_remaining = na->data_size;
+ sha1_init(&ctx);
+
+ while (bytes_remaining) {
+ s64 to_read = min(bytes_remaining, sizeof(buf));
+ if (ntfs_attr_pread(na, pos, to_read, buf) != to_read) {
+ ERROR_WITH_ERRNO("Error reading NTFS attribute");
+ return WIMLIB_ERR_NTFS_3G;
+ }
+ sha1_update(&ctx, buf, to_read);
+ pos += to_read;
+ bytes_remaining -= to_read;
+ }
+ sha1_final(md, &ctx);
+ ntfs_attr_close(na);
+ return 0;
+}
+
static int __build_dentry_tree_ntfs(struct dentry *dentry, ntfs_inode *ni,
+ char path[], size_t path_len,
struct lookup_table *lookup_table,
struct sd_tree *tree)
{
u32 attributes = ntfs_inode_get_attributes(ni);
int mrec_flags = ni->mrec->flags;
u32 sd_size;
- int ret;
+ int ret = 0;
dentry->creation_time = le64_to_cpu(ni->creation_time);
dentry->last_write_time = le64_to_cpu(ni->last_data_change_time);
dentry->last_access_time = le64_to_cpu(ni->last_access_time);
dentry->security_id = le32_to_cpu(ni->security_id);
dentry->attributes = le32_to_cpu(attributes);
+ dentry->resolved = true;
if (mrec_flags & MFT_RECORD_IS_DIRECTORY) {
if (attributes & FILE_ATTR_REPARSE_POINT) {
/* Symbolic link or other reparse point */
} else {
/* Normal file */
+ ntfs_attr_search_ctx *actx;
+ u8 attr_hash[SHA1_HASH_SIZE];
+ struct lookup_table_entry *lte;
+
+ actx = ntfs_attr_get_search_ctx(ni, NULL);
+ if (!actx) {
+ ERROR_WITH_ERRNO("Cannot get attribute search "
+ "context");
+ return WIMLIB_ERR_NTFS_3G;
+ }
+ while (!ntfs_attr_lookup(AT_DATA, NULL, 0,
+ CASE_SENSITIVE, 0, NULL, 0, actx))
+ {
+ ret = ntfs_attr_sha1sum(ni, actx->attr, attr_hash);
+ if (ret != 0)
+ return ret;
+ lte = __lookup_resource(lookup_table, attr_hash);
+ if (lte) {
+ lte->refcnt++;
+ } else {
+ /*char *file_on_disk = STRDUP(root_disk_path);*/
+ /*if (!file_on_disk) {*/
+ /*ERROR("Failed to allocate memory for file path");*/
+ /*return WIMLIB_ERR_NOMEM;*/
+ /*}*/
+ /*lte = new_lookup_table_entry();*/
+ /*if (!lte) {*/
+ /*FREE(file_on_disk);*/
+ /*return WIMLIB_ERR_NOMEM;*/
+ /*}*/
+ /*lte->file_on_disk = file_on_disk;*/
+ /*lte->resource_location = RESOURCE_IN_FILE_ON_DISK;*/
+ /*lte->resource_entry.original_size = root_stbuf.st_size;*/
+ /*lte->resource_entry.size = root_stbuf.st_size;*/
+ /*copy_hash(lte->hash, hash);*/
+ /*lookup_table_insert(lookup_table, lte);*/
+ }
+ dentry->lte = lte;
+ }
}
}
ret = ntfs_inode_get_security(ni,
SACL_SECURITY_INFORMATION,
sd, sd_size, &sd_size);
dentry->security_id = tree_add_sd(tree, sd, sd_size);
-
return 0;
}
static int build_dentry_tree_ntfs(struct dentry *root_dentry,
const char *device,
struct lookup_table *lookup_table,
- int flags)
+ struct wim_security_data *sd,
+ int flags,
+ void *extra_arg)
{
ntfs_volume *vol;
ntfs_inode *root_ni;
int ret = 0;
struct sd_tree tree;
- tree.sd = CALLOC(1, sizeof(struct wim_security_data));
- if (!tree.sd)
- return WIMLIB_ERR_NOMEM;
- tree.sd->total_length = 8;
+ tree.sd = sd;
tree.root = NULL;
+ ntfs_volume **ntfs_vol_p = extra_arg;
vol = ntfs_mount(device, MS_RDONLY);
if (!vol) {
ret = WIMLIB_ERR_NTFS_3G;
goto out;
}
- ret = __build_dentry_tree_ntfs(root_dentry, root_ni, lookup_table, &tree);
+ char path[4096];
+ path[0] = '/';
+ path[1] = '\0';
+ ret = __build_dentry_tree_ntfs(root_dentry, root_ni, path, 1,
+ lookup_table, &tree);
out:
if (ntfs_umount(vol, FALSE) != 0) {
return WIMLIB_ERR_INVALID_PARAM;
}
return do_add_image(w, device, name, description, flags_element, flags,
- build_dentry_tree_ntfs);
+ build_dentry_tree_ntfs,
+ &w->ntfs_vol);
}
#else /* WITH_NTFS_3G */
* a LZ77-based algorithm. */
#define WIM_HDR_FLAG_COMPRESS_LZX 0x00040000
+typedef struct _ntfs_volume ntfs_volume;
/* Structure for security data. Each image in the WIM file has its own security
* data. */
int add_flags;
int write_flags;
bool write_metadata;
+ ntfs_volume *ntfs_vol;
};
/* The currently selected image, indexed starting at 1. If not 0,
const char *description, const char *flags_element,
int flags,
int (*capture_tree)(struct dentry *, const char *,
- struct lookup_table *, int));
+ struct lookup_table *,
+ struct wim_security_data *, int, void *),
+ void *extra_arg);
/* resource.c */
extern const u8 *get_resource_entry(const u8 *p, struct resource_entry *entry);