}
#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;
+}
+
+/* Load a normal file in the NTFS volume into the WIM lookup table */
+static int capture_normal_ntfs_file(struct dentry *dentry, ntfs_inode *ni,
+ char path[], size_t path_len,
+ struct lookup_table *lookup_table,
+ ntfs_volume **ntfs_vol_p)
+{
+
+ ntfs_attr_search_ctx *actx;
+ u8 attr_hash[SHA1_HASH_SIZE];
+ struct ntfs_location *ntfs_loc;
+ struct lookup_table_entry *lte;
+ int ret = 0;
+
+ 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)
+ goto out_put_actx;
+ lte = __lookup_resource(lookup_table, attr_hash);
+ if (lte) {
+ lte->refcnt++;
+ } else {
+ struct ntfs_location *ntfs_loc;
+
+ ret = WIMLIB_ERR_NOMEM;
+
+ ntfs_loc = CALLOC(1, sizeof(*ntfs_loc));
+ if (!ntfs_loc) {
+ goto out_put_actx;
+ }
+ ntfs_loc->path_utf8 = MALLOC(path_len + 1);
+ if (!ntfs_loc->path_utf8)
+ goto out_put_actx;
+ memcpy(ntfs_loc->path_utf8, path, path_len + 1);
+ ntfs_loc->stream_name_utf16 = MALLOC(actx->attr->name_length * 2);
+ if (!ntfs_loc->stream_name_utf16)
+ goto out_put_actx;
+ memcpy(ntfs_loc->stream_name_utf16,
+ (u8*)actx->attr +
+ le16_to_cpu(actx->attr->name_offset),
+ actx->attr->name_length * 2);
+
+ ntfs_loc->stream_name_utf16_num_chars = actx->attr->name_length;
+ lte = new_lookup_table_entry();
+ if (!lte)
+ goto out_put_actx;
+ lte->ntfs_loc = ntfs_loc;
+ lte->resource_location = RESOURCE_IN_NTFS_VOLUME;
+ lte->resource_entry.original_size = actx->attr->data_size;
+ lte->resource_entry.size = actx->attr->data_size;
+ copy_hash(lte->hash, attr_hash);
+ lookup_table_insert(lookup_table, lte);
+ }
+ dentry->lte = lte;
+ }
+ goto out_put_actx;
+out_free_ntfs_loc:
+ if (ntfs_loc) {
+ FREE(ntfs_loc->path_utf8);
+ FREE(ntfs_loc->stream_name_utf16);
+ FREE(ntfs_loc);
+ }
+out_put_actx:
+ ntfs_attr_put_search_ctx(actx);
+ return ret;
+}
+
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)
+ struct sd_tree *tree,
+ ntfs_volume **ntfs_vol_p)
{
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) {
- /* Junction point */
- } else {
- /* Normal directory */
- }
+ if (attributes & FILE_ATTR_REPARSE_POINT) {
+ /* Junction point, symbolic link, or other reparse point */
+ } else if (mrec_flags & MFT_RECORD_IS_DIRECTORY) {
+ /* Normal directory */
} else {
- if (attributes & FILE_ATTR_REPARSE_POINT) {
- /* Symbolic link or other reparse point */
- } else {
- /* Normal file */
- }
+ /* Normal file */
+ ret = capture_normal_ntfs_file(dentry, ni, path, path_len,
+ lookup_table, ntfs_vol_p);
}
+ if (ret != 0)
+ return ret;
ret = ntfs_inode_get_security(ni,
OWNER_SECURITY_INFORMATION |
GROUP_SECURITY_INFORMATION |
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, ntfs_vol_p);
+ ntfs_inode_close(root_ni);
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 */
git://wimlib.net / wimlib / blobdiff