]> wimlib.net Git - wimlib/blobdiff - src/ntfs-3g_capture.c
wimlib.h: document receiving "unmount begin" progress message
[wimlib] / src / ntfs-3g_capture.c
index fe1fbf55a37989f1a0de5a708229e1f46c266669..8408a461f01fb9604437ea3a537f4c4145ec173b 100644 (file)
@@ -6,7 +6,7 @@
  */
 
 /*
- * Copyright (C) 2012, 2013, 2014, 2015 Eric Biggers
+ * Copyright (C) 2012-2016 Eric Biggers
  *
  * This file 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
@@ -31,6 +31,7 @@
 #include <errno.h>
 
 #include <ntfs-3g/attrib.h>
+#include <ntfs-3g/object_id.h>
 #include <ntfs-3g/reparse.h>
 #include <ntfs-3g/security.h>
 #include <ntfs-3g/volume.h>
 #include "wimlib/alloca.h"
 #include "wimlib/assert.h"
 #include "wimlib/blob_table.h"
-#include "wimlib/capture.h"
 #include "wimlib/dentry.h"
 #include "wimlib/encoding.h"
 #include "wimlib/endianness.h"
 #include "wimlib/error.h"
 #include "wimlib/ntfs_3g.h"
+#include "wimlib/object_id.h"
 #include "wimlib/paths.h"
 #include "wimlib/reparse.h"
+#include "wimlib/scan.h"
 #include "wimlib/security.h"
 
-/* NTFS-3g 2013 renamed MS_RDONLY to NTFS_MNT_RDONLY.  We can't check for the
+/* NTFS-3G 2013 renamed MS_RDONLY to NTFS_MNT_RDONLY.  We can't check for the
  * existence of NTFS_MNT_RDONLY at compilation time because it's an enum.  We
  * also can't check for MS_RDONLY being missing because it's also a system
- * constant.  So check if the NTFS-3g specific MS_IGNORE_HIBERFILE is defined;
+ * constant.  So check if the NTFS-3G specific MS_IGNORE_HIBERFILE is defined;
  * if yes, then we need to use the old MS_RDONLY.  */
 #ifdef MS_IGNORE_HIBERFILE
 #  define NTFS_MNT_RDONLY MS_RDONLY
@@ -70,7 +72,7 @@ struct ntfs_location {
        u64 mft_no;
        ATTR_TYPES attr_type;
        u32 attr_name_nchars;
-       utf16lechar *attr_name;
+       ntfschar *attr_name;
        u64 sort_key;
 };
 
@@ -167,7 +169,8 @@ void
 free_ntfs_location(struct ntfs_location *loc)
 {
        put_ntfs_volume(loc->volume);
-       FREE(loc->attr_name);
+       if (loc->attr_name != AT_UNNAMED)
+               FREE(loc->attr_name);
        FREE(loc);
 }
 
@@ -177,7 +180,7 @@ clone_ntfs_location(const struct ntfs_location *loc)
        struct ntfs_location *new = memdup(loc, sizeof(*loc));
        if (!new)
                goto err0;
-       if (loc->attr_name) {
+       if (loc->attr_name != AT_UNNAMED) {
                new->attr_name = utf16le_dup(loc->attr_name);
                if (!new->attr_name)
                        goto err1;
@@ -268,7 +271,7 @@ set_attr_sort_key(ntfs_inode *ni, struct ntfs_location *loc)
 /*
  * Add a new stream to the specified inode, with duplicate checking.
  *
- * This works around a problem where NTFS-3g can list multiple unnamed data
+ * This works around a problem where NTFS-3G can list multiple unnamed data
  * streams for a single file.  In this case we can only keep one.  We'll prefer
  * one that is nonempty.
  */
@@ -316,7 +319,7 @@ scan_ntfs_attr(struct wim_inode *inode,
        u64 data_size = ntfs_get_attribute_value_length(record);
        const u32 name_nchars = record->name_length;
        struct blob_descriptor *blob = NULL;
-       utf16lechar *stream_name = NULL;
+       utf16lechar *stream_name = (utf16lechar *)NO_STREAM_NAME;
        int ret;
 
        if (unlikely(name_nchars)) {
@@ -354,7 +357,7 @@ scan_ntfs_attr(struct wim_inode *inode,
                        goto out_cleanup;
                }
 
-               blob->ntfs_loc = CALLOC(1, sizeof(struct ntfs_location));
+               blob->ntfs_loc = MALLOC(sizeof(struct ntfs_location));
                if (unlikely(!blob->ntfs_loc)) {
                        ret = WIMLIB_ERR_NOMEM;
                        goto out_cleanup;
@@ -363,16 +366,19 @@ scan_ntfs_attr(struct wim_inode *inode,
                blob->blob_location = BLOB_IN_NTFS_VOLUME;
                blob->size = data_size;
                blob->ntfs_loc->volume = get_ntfs_volume(volume);
-               blob->ntfs_loc->attr_type = type;
                blob->ntfs_loc->mft_no = ni->mft_no;
+               blob->ntfs_loc->attr_type = type;
 
                if (unlikely(name_nchars)) {
+                       blob->ntfs_loc->attr_name_nchars = name_nchars;
                        blob->ntfs_loc->attr_name = utf16le_dup(stream_name);
                        if (!blob->ntfs_loc->attr_name) {
                                ret = WIMLIB_ERR_NOMEM;
                                goto out_cleanup;
                        }
-                       blob->ntfs_loc->attr_name_nchars = name_nchars;
+               } else {
+                       blob->ntfs_loc->attr_name_nchars = 0;
+                       blob->ntfs_loc->attr_name = AT_UNNAMED;
                }
 
                ret = set_attr_sort_key(ni, blob->ntfs_loc);
@@ -381,11 +387,11 @@ scan_ntfs_attr(struct wim_inode *inode,
        }
 
        ret = add_stream(inode, path, attr_type_to_wimlib_stream_type(type),
-                        stream_name ? stream_name : NO_STREAM_NAME,
-                        &blob, unhashed_blobs);
+                        stream_name, &blob, unhashed_blobs);
 out_cleanup:
        free_blob_descriptor(blob);
-       FREE(stream_name);
+       if (stream_name != NO_STREAM_NAME)
+               FREE(stream_name);
        return ret;
 }
 
@@ -432,6 +438,22 @@ out_put_actx:
        return ret;
 }
 
+static noinline_for_stack int
+load_object_id(ntfs_inode *ni, struct wim_inode *inode)
+{
+       OBJECT_ID_ATTR attr;
+       int len;
+
+       len = ntfs_get_ntfs_object_id(ni, (char *)&attr, sizeof(attr));
+       if (likely(len == -ENODATA || len == 0))
+               return 0;
+       if (len < 0)
+               return WIMLIB_ERR_NTFS_3G;
+       if (!inode_set_object_id(inode, &attr, len))
+               return WIMLIB_ERR_NOMEM;
+       return 0;
+}
+
 /* Load the security descriptor of an NTFS inode into the corresponding WIM
  * inode and the WIM image's security descriptor set.  */
 static noinline_for_stack int
@@ -589,7 +611,7 @@ struct readdir_ctx {
        size_t path_len;
        struct dos_name_map dos_name_map;
        struct ntfs_volume_wrapper *volume;
-       struct capture_params *params;
+       struct scan_params *params;
        int ret;
 };
 
@@ -600,7 +622,7 @@ ntfs_3g_build_dentry_tree_recursive(struct wim_dentry **root_p,
                                    size_t path_len,
                                    int name_type,
                                    struct ntfs_volume_wrapper *volume,
-                                   struct capture_params *params);
+                                   struct scan_params *params);
 
 static int
 filldir(void *_ctx, const ntfschar *name, const int name_nchars,
@@ -654,7 +676,7 @@ static int
 ntfs_3g_recurse_directory(ntfs_inode *ni, char *path, size_t path_len,
                          struct wim_dentry *parent,
                          struct ntfs_volume_wrapper *volume,
-                         struct capture_params *params)
+                         struct scan_params *params)
 {
        int ret;
        s64 pos = 0;
@@ -699,7 +721,7 @@ ntfs_3g_build_dentry_tree_recursive(struct wim_dentry **root_ret,
                                    size_t path_len,
                                    int name_type,
                                    struct ntfs_volume_wrapper *volume,
-                                   struct capture_params *params)
+                                   struct scan_params *params)
 {
        u32 attributes;
        int ret;
@@ -731,13 +753,13 @@ ntfs_3g_build_dentry_tree_recursive(struct wim_dentry **root_ret,
        if (unlikely(attributes & FILE_ATTRIBUTE_ENCRYPTED)) {
                if (params->add_flags & WIMLIB_ADD_FLAG_NO_UNSUPPORTED_EXCLUDE)
                {
-                       ERROR("Can't archive \"%s\" because NTFS-3g capture mode "
+                       ERROR("Can't archive \"%s\" because NTFS-3G capture mode "
                              "does not support encrypted files and directories", path);
                        ret = WIMLIB_ERR_UNSUPPORTED_FILE;
                        goto out;
                }
                params->progress.scan.cur_path = path;
-               ret = do_capture_progress(params, WIMLIB_SCAN_DENTRY_UNSUPPORTED, NULL);
+               ret = do_scan_progress(params, WIMLIB_SCAN_DENTRY_UNSUPPORTED, NULL);
                goto out;
        }
 
@@ -772,6 +794,13 @@ ntfs_3g_build_dentry_tree_recursive(struct wim_dentry **root_ret,
                        goto out;
        }
 
+       /* Load the object ID.  */
+       ret = load_object_id(ni, inode);
+       if (ret) {
+               ERROR_WITH_ERRNO("Error reading object ID of \"%s\"", path);
+               goto out;
+       }
+
        /* Scan the data streams.
         *
         * Note: directories should not have an unnamed data stream, but they
@@ -783,7 +812,7 @@ ntfs_3g_build_dentry_tree_recursive(struct wim_dentry **root_ret,
        if (ret)
                goto out;
 
-       /* Reparse-point fixups are a no-op because in NTFS-3g capture mode we
+       /* Reparse-point fixups are a no-op because in NTFS-3G capture mode we
         * only allow capturing an entire volume. */
        if (params->add_flags & WIMLIB_ADD_FLAG_RPFIX &&
            inode_is_symlink(inode))
@@ -809,16 +838,16 @@ ntfs_3g_build_dentry_tree_recursive(struct wim_dentry **root_ret,
 out_progress:
        params->progress.scan.cur_path = path;
        if (root == NULL)
-               ret = do_capture_progress(params, WIMLIB_SCAN_DENTRY_EXCLUDED, NULL);
+               ret = do_scan_progress(params, WIMLIB_SCAN_DENTRY_EXCLUDED, NULL);
        else
-               ret = do_capture_progress(params, WIMLIB_SCAN_DENTRY_OK, inode);
+               ret = do_scan_progress(params, WIMLIB_SCAN_DENTRY_OK, inode);
 out:
        if (ni)
                ntfs_inode_close(ni);
        if (unlikely(ret)) {
                free_dentry_tree(root, params->blob_table);
                root = NULL;
-               ret = report_capture_error(params, ret, path);
+               ret = report_scan_error(params, ret, path);
        }
        *root_ret = root;
        return ret;
@@ -826,8 +855,7 @@ out:
 
 int
 ntfs_3g_build_dentry_tree(struct wim_dentry **root_ret,
-                         const char *device,
-                         struct capture_params *params)
+                         const char *device, struct scan_params *params)
 {
        struct ntfs_volume_wrapper *volume;
        ntfs_volume *vol;