* @output_path: The path to which the directory is to be extracted to.
* @return: True on success, false on failure.
*/
-static int extract_directory(const char *output_path)
+static int extract_directory(const char *output_path, bool is_root)
{
int ret;
struct stat stbuf;
ret = stat(output_path, &stbuf);
if (ret == 0) {
if (S_ISDIR(stbuf.st_mode)) {
- WARNING("`%s' already exists", output_path);
+ if (!is_root)
+ WARNING("`%s' already exists", output_path);
return 0;
} else {
ERROR("`%s' is not a directory", output_path);
if (dentry_is_symlink(dentry))
ret = extract_symlink(dentry, output_path, w);
else if (dentry_is_directory(dentry))
- ret = extract_directory(output_path);
+ ret = extract_directory(output_path, dentry_is_root(dentry));
else
ret = extract_regular_file(w, dentry, args->output_dir,
output_path, extract_flags);
DEBUG("Attempting to extract all images from `%s'", w->filename);
- ret = extract_directory(output_dir);
+ ret = extract_directory(output_dir, true);
if (ret != 0)
return ret;
WIMLIBAPI int wimlib_extract_image(WIMStruct *w, int image,
const char *output_dir, int flags)
{
-
if (!output_dir)
return WIMLIB_ERR_INVALID_PARAM;
== (WIMLIB_EXTRACT_FLAG_SYMLINK | WIMLIB_EXTRACT_FLAG_HARDLINK))
return WIMLIB_ERR_INVALID_PARAM;
- if ((flags & WIMLIB_EXTRACT_FLAG_NTFS)) {
- if (flags & (WIMLIB_EXTRACT_FLAG_SYMLINK | WIMLIB_EXTRACT_FLAG_HARDLINK))
- return WIMLIB_ERR_INVALID_PARAM;
- #ifdef WITH_NTFS_3G
- unsigned long mnt_flags;
- int ret = ntfs_check_if_mounted(output_dir, &mnt_flags);
- if (ret != 0) {
- ERROR_WITH_ERRNO("NTFS-3g: Cannot determine if a NTFS "
- "filesystem is mounted on `%s'",
- output_dir);
- return WIMLIB_ERR_NTFS_3G;
- }
- if (!(mnt_flags & NTFS_MF_MOUNTED)) {
- ERROR("NTFS-3g: No NTFS filesystem is mounted on `%s'",
- output_dir);
- return WIMLIB_ERR_NTFS_3G;
- }
- if (mnt_flags & NTFS_MF_READONLY) {
- ERROR("NTFS-3g: NTFS filesystem on `%s' is mounted "
- "read-only", output_dir);
- return WIMLIB_ERR_NTFS_3G;
- }
- #else
- ERROR("wimlib was compiled without support for NTFS-3g, so");
- ERROR("we cannot extract a WIM image while preserving NTFS-");
- ERROR("specific information");
- return WIMLIB_ERR_UNSUPPORTED;
- #endif
- }
-
for_lookup_table_entry(w->lookup_table, zero_out_refcnts, NULL);
if (image == WIM_ALL_IMAGES) {
}
}
+
+WIMLIBAPI int wimlib_apply_image_to_ntfs_volume(WIMStruct *w, int image,
+ const char *device, int flags)
+{
+#ifdef WITH_NTFS_3G
+ 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 (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;
+ }
+#else /* WITH_NTFS_3G */
+ 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 */
+}