+++ /dev/null
-/*
- * ntfs-capture.c
- *
- * Capture a WIM image from a NTFS volume. We capture everything we can,
- * including security data and alternate data streams.
- */
-
-/*
- * Copyright (C) 2012, 2013 Eric Biggers
- *
- * This file is part of wimlib, a library for working with WIM files.
- *
- * wimlib is free software; you can redistribute it and/or modify it under the
- * terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 3 of the License, or (at your option)
- * any later version.
- *
- * wimlib is distributed in the hope that it will be useful, but WITHOUT ANY
- * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
- * A PARTICULAR PURPOSE. See the GNU General Public License for more
- * details.
- *
- * You should have received a copy of the GNU General Public License
- * along with wimlib; if not, see http://www.gnu.org/licenses/.
- */
-
-
-#include "config.h"
-
-#include <ntfs-3g/endians.h>
-#include <ntfs-3g/types.h>
-
-#include "buffer_io.h"
-#include "dentry.h"
-#include "lookup_table.h"
-#include "security.h"
-#include "wimlib_internal.h"
-
-#include <ntfs-3g/layout.h>
-#include <ntfs-3g/acls.h>
-#include <ntfs-3g/attrib.h>
-#include <ntfs-3g/misc.h>
-#include <ntfs-3g/reparse.h>
-#include <ntfs-3g/security.h> /* ntfs-3g/security.h before ntfs-3g/xattrs.h */
-#include <ntfs-3g/xattrs.h>
-#include <ntfs-3g/volume.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <errno.h>
-
-#ifdef HAVE_ALLOCA_H
-#include <alloca.h>
-#endif
-
-static inline ntfschar *
-attr_record_name(ATTR_RECORD *ar)
-{
- return (ntfschar*)((u8*)ar + le16_to_cpu(ar->name_offset));
-}
-
-static ntfs_attr *
-open_ntfs_attr(ntfs_inode *ni, struct ntfs_location *loc)
-{
- ntfs_attr *na;
-
- na = ntfs_attr_open(ni,
- loc->is_reparse_point ? AT_REPARSE_POINT : AT_DATA,
- loc->stream_name,
- loc->stream_name_nchars);
- if (!na) {
- ERROR_WITH_ERRNO("Failed to open attribute of \"%"TS"\" in "
- "NTFS volume", loc->path);
- }
- return na;
-}
-
-int
-read_ntfs_file_prefix(const struct wim_lookup_table_entry *lte,
- u64 size,
- consume_data_callback_t cb,
- void *ctx_or_buf,
- int _ignored_flags)
-{
- struct ntfs_location *loc = lte->ntfs_loc;
- ntfs_volume *vol = loc->ntfs_vol;
- ntfs_inode *ni;
- ntfs_attr *na;
- s64 pos;
- s64 bytes_remaining;
- void *out_buf;
- int ret;
-
- ni = ntfs_pathname_to_inode(vol, NULL, loc->path);
- if (!ni) {
- ERROR_WITH_ERRNO("Can't find NTFS inode for \"%"TS"\"", loc->path);
- ret = WIMLIB_ERR_NTFS_3G;
- goto out;
- }
-
- na = open_ntfs_attr(ni, loc);
- if (!na) {
- ret = WIMLIB_ERR_NTFS_3G;
- goto out_close_ntfs_inode;
- }
-
- if (cb)
- out_buf = alloca(WIM_CHUNK_SIZE);
- else
- out_buf = ctx_or_buf;
- pos = (loc->is_reparse_point) ? 8 : 0;
- bytes_remaining = size;
- while (bytes_remaining) {
- s64 to_read = min(bytes_remaining, WIM_CHUNK_SIZE);
- if (ntfs_attr_pread(na, pos, to_read, out_buf) != to_read) {
- ERROR_WITH_ERRNO("Error reading \"%"TS"\"", loc->path);
- ret = WIMLIB_ERR_NTFS_3G;
- goto out_close_ntfs_attr;
- }
- pos += to_read;
- bytes_remaining -= to_read;
- if (cb) {
- ret = cb(out_buf, to_read, ctx_or_buf);
- if (ret)
- goto out_close_ntfs_attr;
- } else {
- out_buf += to_read;
- }
- }
- ret = 0;
-out_close_ntfs_attr:
- ntfs_attr_close(na);
-out_close_ntfs_inode:
- ntfs_inode_close(ni);
-out:
- return ret;
-}
-
-static int
-read_reparse_tag(ntfs_inode *ni, struct ntfs_location *loc,
- u32 *reparse_tag_ret)
-{
- int ret;
- u8 buf[8];
- ntfs_attr *na;
-
- na = open_ntfs_attr(ni, loc);
- if (!na) {
- ret = WIMLIB_ERR_NTFS_3G;
- goto out;
- }
-
- if (ntfs_attr_pread(na, 0, 8, buf) != 8) {
- ERROR_WITH_ERRNO("Error reading reparse data");
- ret = WIMLIB_ERR_NTFS_3G;
- goto out_close_ntfs_attr;
- }
- *reparse_tag_ret = le32_to_cpu(*(u32*)buf);
- DEBUG("ReparseTag = %#x", *reparse_tag_ret);
- ret = 0;
-out_close_ntfs_attr:
- ntfs_attr_close(na);
-out:
- return ret;
-
-}
-
-/* Load the streams from a file or reparse point in the NTFS volume into the WIM
- * lookup table */
-static int
-capture_ntfs_streams(struct wim_inode *inode,
- ntfs_inode *ni,
- char *path,
- size_t path_len,
- struct wim_lookup_table *lookup_table,
- ntfs_volume *vol,
- ATTR_TYPES type)
-{
- ntfs_attr_search_ctx *actx;
- struct ntfs_location *ntfs_loc;
- int ret;
- struct wim_lookup_table_entry *lte;
-
- DEBUG2("Capturing NTFS data streams from `%s'", path);
-
- /* Get context to search the streams of the NTFS file. */
- actx = ntfs_attr_get_search_ctx(ni, NULL);
- if (!actx) {
- ERROR_WITH_ERRNO("Cannot get NTFS attribute search "
- "context");
- return WIMLIB_ERR_NTFS_3G;
- }
-
- /* Capture each data stream or reparse data stream. */
- while (!ntfs_attr_lookup(type, NULL, 0,
- CASE_SENSITIVE, 0, NULL, 0, actx))
- {
- u64 data_size = ntfs_get_attribute_value_length(actx->attr);
- u64 name_length = actx->attr->name_length;
- u32 stream_id;
-
- if (data_size == 0) {
- /* Empty stream. No lookup table entry is needed. */
- lte = NULL;
- ntfs_loc = NULL;
- } else {
- ntfs_loc = CALLOC(1, sizeof(*ntfs_loc));
- if (!ntfs_loc) {
- ret = WIMLIB_ERR_NOMEM;
- goto out_put_actx;
- }
- ntfs_loc->ntfs_vol = vol;
- ntfs_loc->path = MALLOC(path_len + 1);
- if (!ntfs_loc->path) {
- ret = WIMLIB_ERR_NOMEM;
- goto out_free_ntfs_loc;
- }
- memcpy(ntfs_loc->path, path, path_len + 1);
- if (name_length) {
- ntfs_loc->stream_name = MALLOC(name_length * 2);
- if (!ntfs_loc->stream_name) {
- ret = WIMLIB_ERR_NOMEM;
- goto out_free_ntfs_loc;
- }
- memcpy(ntfs_loc->stream_name,
- attr_record_name(actx->attr),
- actx->attr->name_length * 2);
- ntfs_loc->stream_name_nchars = name_length;
- }
-
- lte = new_lookup_table_entry();
- if (!lte) {
- ret = WIMLIB_ERR_NOMEM;
- goto out_free_ntfs_loc;
- }
- lte->resource_location = RESOURCE_IN_NTFS_VOLUME;
- lte->ntfs_loc = ntfs_loc;
- ntfs_loc = NULL;
- if (type == AT_REPARSE_POINT) {
- if (data_size < 8) {
- ERROR("Invalid reparse data (only %u bytes)!",
- (unsigned)data_size);
- ret = WIMLIB_ERR_NTFS_3G;
- goto out_free_lte;
- }
- lte->ntfs_loc->is_reparse_point = true;
- lte->resource_entry.original_size = data_size - 8;
- ret = read_reparse_tag(ni, lte->ntfs_loc,
- &inode->i_reparse_tag);
- if (ret)
- goto out_free_lte;
- } else {
- lte->ntfs_loc->is_reparse_point = false;
- lte->resource_entry.original_size = data_size;
- }
- }
- if (name_length == 0) {
- /* Unnamed data stream. Put the reference to it in the
- * dentry's inode. */
- if (inode->i_lte) {
- ERROR("Found two un-named data streams for `%s'",
- path);
- ret = WIMLIB_ERR_NTFS_3G;
- goto out_free_lte;
- }
- stream_id = 0;
- inode->i_lte = lte;
- } else {
- /* Named data stream. Put the reference to it in the
- * alternate data stream entries */
- struct wim_ads_entry *new_ads_entry;
-
- new_ads_entry = inode_add_ads_utf16le(inode,
- attr_record_name(actx->attr),
- name_length * 2);
- if (!new_ads_entry) {
- ret = WIMLIB_ERR_NOMEM;
- goto out_free_lte;
- }
- wimlib_assert(new_ads_entry->stream_name_nbytes == name_length * 2);
- stream_id = new_ads_entry->stream_id;
- new_ads_entry->lte = lte;
- }
- if (lte) {
- lookup_table_insert_unhashed(lookup_table, lte,
- inode, stream_id);
- }
- }
- if (errno == ENOENT) {
- ret = 0;
- } else {
- ERROR_WITH_ERRNO("Error listing NTFS attributes from `%s'",
- path);
- ret = WIMLIB_ERR_NTFS_3G;
- }
- goto out_put_actx;
-out_free_lte:
- free_lookup_table_entry(lte);
-out_free_ntfs_loc:
- if (ntfs_loc) {
- FREE(ntfs_loc->path);
- FREE(ntfs_loc->stream_name);
- FREE(ntfs_loc);
- }
-out_put_actx:
- ntfs_attr_put_search_ctx(actx);
- if (ret == 0)
- DEBUG2("Successfully captured NTFS streams from `%s'", path);
- else
- ERROR("Failed to capture NTFS streams from `%s'", path);
- return ret;
-}
-
-/* Red-black tree that maps NTFS inode numbers to DOS names */
-struct dos_name_map {
- struct rb_root rb_root;
-};
-
-struct dos_name_node {
- struct rb_node rb_node;
- char dos_name[24];
- int name_nbytes;
- u64 ntfs_ino;
-};
-
-/* Inserts a new DOS name into the map */
-static int
-insert_dos_name(struct dos_name_map *map, const ntfschar *dos_name,
- size_t name_nbytes, u64 ntfs_ino)
-{
- struct dos_name_node *new_node;
- struct rb_node **p;
- struct rb_root *root;
- struct rb_node *rb_parent;
-
- DEBUG("DOS name_len = %zu", name_nbytes);
- new_node = MALLOC(sizeof(struct dos_name_node));
- if (!new_node)
- return -1;
-
- /* DOS names are supposed to be 12 characters max (that's 24 bytes,
- * assuming 2-byte ntfs characters) */
- wimlib_assert(name_nbytes <= sizeof(new_node->dos_name));
-
- /* Initialize the DOS name, DOS name length, and NTFS inode number of
- * the red-black tree node */
- memcpy(new_node->dos_name, dos_name, name_nbytes);
- new_node->name_nbytes = name_nbytes;
- new_node->ntfs_ino = ntfs_ino;
-
- /* Insert the red-black tree node */
- root = &map->rb_root;
- p = &root->rb_node;
- rb_parent = NULL;
- while (*p) {
- struct dos_name_node *this;
-
- this = container_of(*p, struct dos_name_node, rb_node);
- rb_parent = *p;
- if (new_node->ntfs_ino < this->ntfs_ino)
- p = &((*p)->rb_left);
- else if (new_node->ntfs_ino > this->ntfs_ino)
- p = &((*p)->rb_right);
- else {
- /* This should be impossible since a NTFS inode cannot
- * have multiple DOS names, and we only should get each
- * DOS name entry once from the ntfs_readdir() calls. */
- ERROR("NTFS inode %"PRIu64" has multiple DOS names",
- ntfs_ino);
- return -1;
- }
- }
- rb_link_node(&new_node->rb_node, rb_parent, p);
- rb_insert_color(&new_node->rb_node, root);
- DEBUG("Inserted DOS name for inode %"PRIu64, ntfs_ino);
- return 0;
-}
-
-/* Returns a structure that contains the DOS name and its length for a NTFS
- * inode, or NULL if the inode has no DOS name. */
-static struct dos_name_node *
-lookup_dos_name(const struct dos_name_map *map, u64 ntfs_ino)
-{
- struct rb_node *node = map->rb_root.rb_node;
- while (node) {
- struct dos_name_node *this;
- this = container_of(node, struct dos_name_node, rb_node);
- if (ntfs_ino < this->ntfs_ino)
- node = node->rb_left;
- else if (ntfs_ino > this->ntfs_ino)
- node = node->rb_right;
- else
- return this;
- }
- return NULL;
-}
-
-static int
-set_dentry_dos_name(struct wim_dentry *dentry, void *arg)
-{
- const struct dos_name_map *map = arg;
- const struct dos_name_node *node;
-
- if (dentry->is_win32_name) {
- node = lookup_dos_name(map, dentry->d_inode->i_ino);
- if (node) {
- dentry->short_name = MALLOC(node->name_nbytes + 2);
- if (!dentry->short_name)
- return WIMLIB_ERR_NOMEM;
- memcpy(dentry->short_name, node->dos_name,
- node->name_nbytes);
- dentry->short_name[node->name_nbytes / 2] = 0;
- dentry->short_name_nbytes = node->name_nbytes;
- DEBUG("Assigned DOS name to ino %"PRIu64,
- dentry->d_inode->i_ino);
- } else {
- WARNING("NTFS inode %"PRIu64" has Win32 name with no "
- "corresponding DOS name",
- dentry->d_inode->i_ino);
- }
- }
- return 0;
-}
-
-static void
-free_dos_name_tree(struct rb_node *node) {
- if (node) {
- free_dos_name_tree(node->rb_left);
- free_dos_name_tree(node->rb_right);
- FREE(container_of(node, struct dos_name_node, rb_node));
- }
-}
-
-static void
-destroy_dos_name_map(struct dos_name_map *map)
-{
- free_dos_name_tree(map->rb_root.rb_node);
-}
-
-struct readdir_ctx {
- struct wim_dentry *parent;
- ntfs_inode *dir_ni;
- char *path;
- size_t path_len;
- struct dos_name_map *dos_name_map;
- ntfs_volume *vol;
- struct add_image_params *params;
-};
-
-static int
-build_dentry_tree_ntfs_recursive(struct wim_dentry **root_p,
- ntfs_inode *dir_ni,
- ntfs_inode *ni,
- char *path,
- size_t path_len,
- int name_type,
- ntfs_volume *ntfs_vol,
- struct add_image_params *params);
-
-static int
-wim_ntfs_capture_filldir(void *dirent, const ntfschar *name,
- const int name_nchars, const int name_type,
- const s64 pos, const MFT_REF mref,
- const unsigned dt_type)
-{
- struct readdir_ctx *ctx;
- size_t mbs_name_nbytes;
- char *mbs_name;
- struct wim_dentry *child;
- int ret;
- size_t path_len;
- size_t name_nbytes = name_nchars * sizeof(ntfschar);
-
- ctx = dirent;
- if (name_type & FILE_NAME_DOS) {
- /* If this is the entry for a DOS name, store it for later. */
- ret = insert_dos_name(ctx->dos_name_map, name,
- name_nbytes, mref & MFT_REF_MASK_CPU);
-
- /* Return now if an error occurred or if this is just a DOS name
- * and not a Win32+DOS name. */
- if (ret != 0 || name_type == FILE_NAME_DOS)
- goto out;
- }
- ret = utf16le_to_tstr(name, name_nbytes,
- &mbs_name, &mbs_name_nbytes);
- if (ret)
- goto out;
-
- if (mbs_name[0] == '.' &&
- (mbs_name[1] == '\0' ||
- (mbs_name[1] == '.' && mbs_name[2] == '\0'))) {
- /* . or .. entries
- *
- * note: name_type is POSIX for these, so DOS names will not
- * have been inserted for them. */
- ret = 0;
- goto out_free_mbs_name;
- }
-
- /* Open the inode for this directory entry and recursively capture the
- * directory tree rooted at it */
- ntfs_inode *ni = ntfs_inode_open(ctx->dir_ni->vol, mref);
- if (!ni) {
- ERROR_WITH_ERRNO("Failed to open NTFS inode");
- ret = -1;
- goto out_free_mbs_name;
- }
- path_len = ctx->path_len;
- if (path_len != 1)
- ctx->path[path_len++] = '/';
- memcpy(ctx->path + path_len, mbs_name, mbs_name_nbytes + 1);
- path_len += mbs_name_nbytes;
- child = NULL;
- ret = build_dentry_tree_ntfs_recursive(&child, ctx->dir_ni,
- ni, ctx->path, path_len, name_type,
- ctx->vol, ctx->params);
- if (child)
- dentry_add_child(ctx->parent, child);
- ntfs_inode_close(ni);
-out_free_mbs_name:
- FREE(mbs_name);
-out:
- return ret;
-}
-
-/* Recursively build a WIM dentry tree corresponding to a NTFS volume.
- * At the same time, update the WIM lookup table with lookup table entries for
- * the NTFS streams, and build an array of security descriptors.
- */
-static int
-build_dentry_tree_ntfs_recursive(struct wim_dentry **root_ret,
- ntfs_inode *dir_ni,
- ntfs_inode *ni,
- char *path,
- size_t path_len,
- int name_type,
- ntfs_volume *vol,
- struct add_image_params *params)
-{
- u32 attributes;
- int ret;
- struct wim_dentry *root;
- struct wim_inode *inode;
- ATTR_TYPES stream_type;
-
- if (exclude_path(path, path_len, params->config, false)) {
- /* Exclude a file or directory tree based on the capture
- * configuration file */
- if ((params->add_flags & WIMLIB_ADD_FLAG_EXCLUDE_VERBOSE)
- && params->progress_func)
- {
- union wimlib_progress_info info;
- info.scan.cur_path = path;
- info.scan.excluded = true;
- params->progress_func(WIMLIB_PROGRESS_MSG_SCAN_DENTRY, &info);
- }
- root = NULL;
- ret = 0;
- goto out;
- }
-
- /* Get file attributes */
- struct SECURITY_CONTEXT ctx;
- memset(&ctx, 0, sizeof(ctx));
- ctx.vol = vol;
- ret = ntfs_xattr_system_getxattr(&ctx, XATTR_NTFS_ATTRIB,
- ni, dir_ni, (char *)&attributes,
- sizeof(u32));
- if (ret != 4) {
- ERROR_WITH_ERRNO("Failed to get NTFS attributes from `%s'",
- path);
- return WIMLIB_ERR_NTFS_3G;
- }
-
- if ((params->add_flags & WIMLIB_ADD_FLAG_VERBOSE)
- && params->progress_func)
- {
- union wimlib_progress_info info;
- info.scan.cur_path = path;
- info.scan.excluded = false;
- params->progress_func(WIMLIB_PROGRESS_MSG_SCAN_DENTRY, &info);
- }
-
- /* Create a WIM dentry with an associated inode, which may be shared */
- ret = inode_table_new_dentry(¶ms->inode_table,
- path_basename_with_len(path, path_len),
- ni->mft_no, 0, false, &root);
- if (ret)
- return ret;
-
- inode = root->d_inode;
-
- if (inode->i_nlink > 1) /* Shared inode; nothing more to do */
- goto out;
-
- if (name_type & FILE_NAME_WIN32) /* Win32 or Win32+DOS name (rather than POSIX) */
- root->is_win32_name = 1;
- inode->i_creation_time = le64_to_cpu(ni->creation_time);
- inode->i_last_write_time = le64_to_cpu(ni->last_data_change_time);
- inode->i_last_access_time = le64_to_cpu(ni->last_access_time);
- inode->i_attributes = le32_to_cpu(attributes);
- inode->i_resolved = 1;
-
- if (attributes & FILE_ATTR_REPARSE_POINT)
- stream_type = AT_REPARSE_POINT;
- else
- stream_type = AT_DATA;
-
- /* Capture the file's streams; more specifically, this is supposed to:
- *
- * - Regular files: capture unnamed data stream and any named data
- * streams
- * - Directories: capture any named data streams
- * - Reparse points: capture reparse data only
- */
- ret = capture_ntfs_streams(inode, ni, path, path_len,
- params->lookup_table, vol, stream_type);
- if (ret)
- goto out;
-
- if (ni->mrec->flags & MFT_RECORD_IS_DIRECTORY) {
-
- /* Recurse to directory children */
- s64 pos = 0;
- struct dos_name_map dos_name_map = { .rb_root = {.rb_node = NULL} };
- struct readdir_ctx ctx = {
- .parent = root,
- .dir_ni = ni,
- .path = path,
- .path_len = path_len,
- .dos_name_map = &dos_name_map,
- .vol = vol,
- .params = params,
- };
- ret = ntfs_readdir(ni, &pos, &ctx, wim_ntfs_capture_filldir);
- if (ret) {
- ERROR_WITH_ERRNO("ntfs_readdir()");
- ret = WIMLIB_ERR_NTFS_3G;
- } else {
- ret = for_dentry_child(root, set_dentry_dos_name,
- &dos_name_map);
- }
- destroy_dos_name_map(&dos_name_map);
- if (ret)
- goto out;
- }
-
- /* 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))
- inode->i_not_rpfixed = 0;
-
- if (!(params->add_flags & WIMLIB_ADD_FLAG_NO_ACLS)) {
- /* Get security descriptor */
- char _sd[1];
- char *sd = _sd;
- errno = 0;
- ret = ntfs_xattr_system_getxattr(&ctx, XATTR_NTFS_ACL,
- ni, dir_ni, sd,
- sizeof(sd));
- if (ret > sizeof(sd)) {
- sd = alloca(ret);
- ret = ntfs_xattr_system_getxattr(&ctx, XATTR_NTFS_ACL,
- ni, dir_ni, sd, ret);
- }
- if (ret > 0) {
- inode->i_security_id = sd_set_add_sd(¶ms->sd_set,
- sd, ret);
- if (inode->i_security_id == -1) {
- ERROR("Out of memory");
- ret = WIMLIB_ERR_NOMEM;
- goto out;
- }
- DEBUG("Added security ID = %u for `%s'",
- inode->i_security_id, path);
- ret = 0;
- } else if (ret < 0) {
- ERROR_WITH_ERRNO("Failed to get security information from "
- "`%s'", path);
- ret = WIMLIB_ERR_NTFS_3G;
- } else {
- inode->i_security_id = -1;
- DEBUG("No security ID for `%s'", path);
- }
- }
-out:
- if (ret == 0)
- *root_ret = root;
- else
- free_dentry_tree(root, params->lookup_table);
- return ret;
-}
-
-
-int
-do_ntfs_umount(struct _ntfs_volume *vol)
-{
- DEBUG("Unmounting NTFS volume");
- if (ntfs_umount(vol, FALSE))
- return WIMLIB_ERR_NTFS_3G;
- else
- return 0;
-}
-
-int
-build_dentry_tree_ntfs(struct wim_dentry **root_p,
- const char *device,
- struct add_image_params *params)
-{
- ntfs_volume *vol;
- ntfs_inode *root_ni;
- int ret;
-
- DEBUG("Mounting NTFS volume `%s' read-only", device);
-
-#ifdef HAVE_NTFS_MNT_RDONLY
- /* NTFS-3g 2013 */
- vol = ntfs_mount(device, NTFS_MNT_RDONLY);
-#else
- /* NTFS-3g 2011, 2012 */
- vol = ntfs_mount(device, MS_RDONLY);
-#endif
- if (!vol) {
- ERROR_WITH_ERRNO("Failed to mount NTFS volume `%s' read-only",
- device);
- return WIMLIB_ERR_NTFS_3G;
- }
- ntfs_open_secure(vol);
-
- /* We don't want to capture the special NTFS files such as $Bitmap. Not
- * to be confused with "hidden" or "system" files which are real files
- * that we do need to capture. */
- NVolClearShowSysFiles(vol);
-
- DEBUG("Opening root NTFS dentry");
- root_ni = ntfs_inode_open(vol, FILE_root);
- if (!root_ni) {
- ERROR_WITH_ERRNO("Failed to open root inode of NTFS volume "
- "`%s'", device);
- ret = WIMLIB_ERR_NTFS_3G;
- goto out;
- }
-
- /* Currently we assume that all the paths fit into this length and there
- * is no check for overflow. */
- char *path = MALLOC(32768);
- if (!path) {
- ERROR("Could not allocate memory for NTFS pathname");
- ret = WIMLIB_ERR_NOMEM;
- goto out_cleanup;
- }
-
- path[0] = '/';
- path[1] = '\0';
- ret = build_dentry_tree_ntfs_recursive(root_p, NULL, root_ni, path, 1,
- FILE_NAME_POSIX, vol, params);
-out_cleanup:
- FREE(path);
- ntfs_inode_close(root_ni);
-out:
- ntfs_index_ctx_put(vol->secure_xsii);
- ntfs_index_ctx_put(vol->secure_xsdh);
- ntfs_inode_close(vol->secure_ni);
-
- if (ret) {
- if (do_ntfs_umount(vol)) {
- ERROR_WITH_ERRNO("Failed to unmount NTFS volume `%s'",
- device);
- if (ret == 0)
- ret = WIMLIB_ERR_NTFS_3G;
- }
- } else {
- /* We need to leave the NTFS volume mounted so that we can read
- * the NTFS files again when we are actually writing the WIM */
- *(ntfs_volume**)params->extra_arg = vol;
- }
- return ret;
-}
git://wimlib.net / wimlib / blobdiff