X-Git-Url: https://wimlib.net/git/?p=wimlib;a=blobdiff_plain;f=src%2Fntfs-3g_capture.c;h=75690917aa6a4dc36fb3c133dd1472c06d69cf46;hp=f59292924f75afa5b2f1b0de9020fd47e34de7f2;hb=1d898377d67701075d0b9e6d7f8541aad21599a4;hpb=e09aa715eeb516a004e3a3fb4815bcf64ee142a1 diff --git a/src/ntfs-3g_capture.c b/src/ntfs-3g_capture.c index f5929292..75690917 100644 --- a/src/ntfs-3g_capture.c +++ b/src/ntfs-3g_capture.c @@ -1,109 +1,93 @@ /* * ntfs-3g_capture.c * - * Capture a WIM image directly from a NTFS volume using libntfs-3g. We capture + * Capture a WIM image directly from an NTFS volume using libntfs-3g. We capture * everything we can, including security data and alternate data streams. */ /* - * Copyright (C) 2012, 2013 Eric Biggers + * Copyright (C) 2012, 2013, 2014, 2015 Eric Biggers * - * This file is part of wimlib, a library for working with WIM files. + * 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 + * Software Foundation; either version 3 of the License, or (at your option) any + * later version. * - * 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 + * This file 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 Lesser 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/. + * You should have received a copy of the GNU Lesser General Public License + * along with this file; if not, see http://www.gnu.org/licenses/. */ - #ifdef HAVE_CONFIG_H # include "config.h" #endif #ifdef WITH_NTFS_3G -#ifdef HAVE_ALLOCA_H -# include - -#endif #include -#include -#include /* NTFS-3g headers are missing include */ -#include #include -#include -#include -#include #include -#include /* ntfs-3g/security.h before ntfs-3g/xattrs.h */ -#include +#include #include -#include - -#include /* This should be included last as it requires - definitions from above not included by itself */ +#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/lookup_table.h" #include "wimlib/ntfs_3g.h" #include "wimlib/paths.h" +#include "wimlib/reparse.h" #include "wimlib/security.h" -static inline ntfschar * -attr_record_name(ATTR_RECORD *ar) +static inline const ntfschar * +attr_record_name(const ATTR_RECORD *record) { - return (ntfschar*)((u8*)ar + le16_to_cpu(ar->name_offset)); + return (const ntfschar *) + ((const u8 *)record + le16_to_cpu(record->name_offset)); } static ntfs_attr * -open_ntfs_attr(ntfs_inode *ni, struct ntfs_location *loc) +open_ntfs_attr(ntfs_inode *ni, const 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); + (ATTR_TYPES)loc->attr_type, + loc->attr_name, + loc->attr_name_nchars); if (!na) { - ERROR_WITH_ERRNO("Failed to open attribute of \"%"TS"\" in " - "NTFS volume", loc->path); + ERROR_WITH_ERRNO("Failed to open attribute of NTFS inode %"PRIu64, + loc->mft_no); } 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) +read_ntfs_attribute_prefix(const struct blob_descriptor *blob, u64 size, + consume_data_callback_t cb, void *cb_ctx) { - struct ntfs_location *loc = lte->ntfs_loc; + const struct ntfs_location *loc = blob->ntfs_loc; ntfs_volume *vol = loc->ntfs_vol; ntfs_inode *ni; ntfs_attr *na; s64 pos; s64 bytes_remaining; - void *out_buf; int ret; + u8 buf[BUFFER_SIZE]; - ni = ntfs_pathname_to_inode(vol, NULL, loc->path); + ni = ntfs_inode_open(vol, loc->mft_no); if (!ni) { - ERROR_WITH_ERRNO("Can't find NTFS inode for \"%"TS"\"", loc->path); + ERROR_WITH_ERRNO("Failed to open NTFS inode %"PRIu64, + loc->mft_no); ret = WIMLIB_ERR_NTFS_3G; goto out; } @@ -114,28 +98,21 @@ read_ntfs_file_prefix(const struct wim_lookup_table_entry *lte, 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; + pos = (loc->attr_type == AT_REPARSE_POINT) ? REPARSE_DATA_OFFSET : 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); + s64 to_read = min(bytes_remaining, sizeof(buf)); + if (ntfs_attr_pread(na, pos, to_read, buf) != to_read) { + ERROR_WITH_ERRNO("Error reading data from NTFS inode " + "%"PRIu64, loc->mft_no); 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 = cb(buf, to_read, cb_ctx); + if (ret) + goto out_close_ntfs_attr; } ret = 0; out_close_ntfs_attr: @@ -177,252 +154,247 @@ out: } -/* 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) +attr_type_to_wimlib_stream_type(ATTR_TYPES type) +{ + switch (type) { + case AT_DATA: + return STREAM_TYPE_DATA; + case AT_REPARSE_POINT: + return STREAM_TYPE_REPARSE_POINT; + default: + wimlib_assert(0); + return STREAM_TYPE_UNKNOWN; + } +} + +/* Save information about an NTFS attribute (stream) to a WIM inode. */ +static int +scan_ntfs_attr(struct wim_inode *inode, + ntfs_inode *ni, + const char *path, + size_t path_len, + struct list_head *unhashed_blobs, + ntfs_volume *vol, + ATTR_TYPES type, + const ATTR_RECORD *record) +{ + const u64 data_size = ntfs_get_attribute_value_length(record); + const size_t name_nchars = record->name_length; + struct blob_descriptor *blob = NULL; + utf16lechar *stream_name = NULL; + struct wim_inode_stream *strm; + int ret; + + if (unlikely(name_nchars)) { + /* Named stream */ + stream_name = utf16le_dupz(attr_record_name(record), + name_nchars * sizeof(ntfschar)); + if (!stream_name) { + ret = WIMLIB_ERR_NOMEM; + goto out_cleanup; + } + } + + /* If the stream is non-empty, set up a blob descriptor for it. */ + if (data_size != 0) { + blob = new_blob_descriptor(); + if (unlikely(!blob)) { + ret = WIMLIB_ERR_NOMEM; + goto out_cleanup; + } + + blob->ntfs_loc = CALLOC(1, sizeof(struct ntfs_location)); + if (unlikely(!blob->ntfs_loc)) { + ret = WIMLIB_ERR_NOMEM; + goto out_cleanup; + } + + blob->blob_location = BLOB_IN_NTFS_VOLUME; + blob->size = data_size; + blob->ntfs_loc->ntfs_vol = vol; + blob->ntfs_loc->attr_type = type; + blob->ntfs_loc->mft_no = ni->mft_no; + + if (unlikely(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; + } + + if (unlikely(type == AT_REPARSE_POINT)) { + if (blob->size < REPARSE_DATA_OFFSET) { + ERROR("Reparse data of \"%s\" " + "is invalid (only %"PRIu64" bytes)!", + path, data_size); + ret = WIMLIB_ERR_INVALID_REPARSE_DATA; + goto out_cleanup; + } + blob->size -= REPARSE_DATA_OFFSET; + ret = read_reparse_tag(ni, blob->ntfs_loc, + &inode->i_reparse_tag); + if (ret) + goto out_cleanup; + } + } + + strm = inode_add_stream(inode, + attr_type_to_wimlib_stream_type(type), + stream_name ? stream_name : NO_STREAM_NAME, + blob); + if (unlikely(!strm)) { + ret = WIMLIB_ERR_NOMEM; + goto out_cleanup; + } + prepare_unhashed_blob(blob, inode, strm->stream_id, unhashed_blobs); + blob = NULL; + ret = 0; +out_cleanup: + free_blob_descriptor(blob); + FREE(stream_name); + return ret; +} + +/* Scan attributes of the specified type from a file in the NTFS volume */ +static int +scan_ntfs_attrs_with_type(struct wim_inode *inode, + ntfs_inode *ni, + char *path, + size_t path_len, + struct list_head *unhashed_blobs, + 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); + DEBUG("Scanning NTFS attributes 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 " + ERROR_WITH_ERRNO("Failed to get NTFS attribute search " "context for \"%s\"", path); 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 = memdup(path, path_len + 1); - if (!ntfs_loc->path) { - ret = WIMLIB_ERR_NOMEM; - goto out_free_ntfs_loc; - } - if (name_length) { - ntfs_loc->stream_name = memdup(attr_record_name(actx->attr), - name_length * 2); - if (!ntfs_loc->stream_name) { - ret = WIMLIB_ERR_NOMEM; - goto out_free_ntfs_loc; - } - 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 on \"%s\" " - "(only %u bytes)!", path, (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) { - if (lte) { - ERROR("Found two un-named data streams for \"%s\" " - "(sizes = %"PRIu64", %"PRIu64")", - path, wim_resource_size(inode->i_lte), - wim_resource_size(lte)); - ret = WIMLIB_ERR_NTFS_3G; - goto out_free_lte; - } - } else { - 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); - } + ret = scan_ntfs_attr(inode, + ni, + path, + path_len, + unhashed_blobs, + vol, + type, + actx->attr); + if (ret) + goto out_put_actx; } - if (errno == ENOENT) { - ret = 0; - } else { + if (errno != ENOENT) { ERROR_WITH_ERRNO("Error listing NTFS attributes of \"%s\"", path); ret = WIMLIB_ERR_NTFS_3G; + goto out_put_actx; } - 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); - } + ret = 0; 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 */ +/* Binary tree that maps NTFS inode numbers to DOS names */ struct dos_name_map { - struct rb_root rb_root; + struct avl_tree_node *root; }; struct dos_name_node { - struct rb_node rb_node; + struct avl_tree_node index_node; char dos_name[24]; int name_nbytes; - u64 ntfs_ino; + le64 ntfs_ino; }; +#define DOS_NAME_NODE(avl_node) \ + avl_tree_entry(avl_node, struct dos_name_node, index_node) + +static int +_avl_cmp_by_ntfs_ino(const struct avl_tree_node *n1, + const struct avl_tree_node *n2) +{ + return cmp_u64(DOS_NAME_NODE(n1)->ntfs_ino, + DOS_NAME_NODE(n2)->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) + size_t name_nbytes, le64 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; + return WIMLIB_ERR_NOMEM; /* 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 */ + * the search 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; - } + /* Insert the search tree node */ + if (avl_tree_insert(&map->root, &new_node->index_node, + _avl_cmp_by_ntfs_ino)) + { + /* This should be impossible since an 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", + le64_to_cpu(ntfs_ino)); + FREE(new_node); + return WIMLIB_ERR_NOMEM; } - 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); + DEBUG("Inserted DOS name for inode %"PRIu64, le64_to_cpu(ntfs_ino)); return 0; } -/* Returns a structure that contains the DOS name and its length for a NTFS +/* Returns a structure that contains the DOS name and its length for an 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; + struct dos_name_node dummy; + struct avl_tree_node *res; + + dummy.ntfs_ino = cpu_to_le64(ntfs_ino); + + res = avl_tree_lookup_node(map->root, &dummy.index_node, + _avl_cmp_by_ntfs_ino); + if (!res) + return NULL; + return DOS_NAME_NODE(res); } static int -set_dentry_dos_name(struct wim_dentry *dentry, void *arg) +set_dentry_dos_name(struct wim_dentry *dentry, const struct dos_name_map *map) { - 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); + dentry->short_name = utf16le_dupz(node->dos_name, + node->name_nbytes); 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); @@ -436,39 +408,38 @@ set_dentry_dos_name(struct wim_dentry *dentry, void *arg) } static void -free_dos_name_tree(struct rb_node *node) { +free_dos_name_tree(struct avl_tree_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)); + free_dos_name_tree(node->left); + free_dos_name_tree(node->right); + FREE(DOS_NAME_NODE(node)); } } static void destroy_dos_name_map(struct dos_name_map *map) { - free_dos_name_tree(map->rb_root.rb_node); + free_dos_name_tree(map->root); } 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; + struct capture_params *params; + int ret; }; 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); + struct capture_params *params); static int wim_ntfs_capture_filldir(void *dirent, const ntfschar *name, @@ -513,7 +484,7 @@ wim_ntfs_capture_filldir(void *dirent, const ntfschar *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); + ntfs_inode *ni = ntfs_inode_open(ctx->vol, mref); if (!ni) { /* XXX This used to be treated as an error, but NTFS-3g seemed * to be unable to read some inodes on a Windows 8 image for @@ -529,8 +500,8 @@ wim_ntfs_capture_filldir(void *dirent, const ntfschar *name, 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, + ret = build_dentry_tree_ntfs_recursive(&child, ni, ctx->path, + path_len, name_type, ctx->vol, ctx->params); path_len -= mbs_name_nbytes + 1; if (child) @@ -540,129 +511,133 @@ out_free_mbs_name: FREE(mbs_name); out: ctx->path[ctx->path_len] = '\0'; + ctx->ret = ret; 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. - */ +/* Recursive scan routine for NTFS volumes */ 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) + struct capture_params *params) { - le32 attributes; + 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; + struct wim_dentry *root = NULL; + struct wim_inode *inode = NULL; + + ret = try_exclude(path, path_len, params); + if (ret < 0) /* Excluded? */ + goto out_progress; + if (ret > 0) /* Error? */ 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(attributes)); + ret = ntfs_get_ntfs_attrib(ni, (char*)&attributes, sizeof(attributes)); if (ret != sizeof(attributes)) { ERROR_WITH_ERRNO("Failed to get NTFS attributes from \"%s\"", path); - return WIMLIB_ERR_NTFS_3G; + ret = WIMLIB_ERR_NTFS_3G; + goto out; } - 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); + if (attributes & FILE_ATTRIBUTE_ENCRYPTED) { + if (params->add_flags & WIMLIB_ADD_FLAG_NO_UNSUPPORTED_EXCLUDE) + { + 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); + goto out; } /* Create a WIM dentry with an associated inode, which may be shared */ - ret = inode_table_new_dentry(¶ms->inode_table, + ret = inode_table_new_dentry(params->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 = root->d_inode; + + if (inode->i_nlink > 1) { + /* Shared inode; nothing more to do */ + goto out_progress; + } + 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; + inode->i_attributes = attributes; - if (attributes & FILE_ATTR_REPARSE_POINT) - stream_type = AT_REPARSE_POINT; - else - stream_type = AT_DATA; + if (attributes & FILE_ATTRIBUTE_REPARSE_POINT) { + /* Scan the reparse point stream. */ + ret = scan_ntfs_attrs_with_type(inode, ni, path, path_len, + params->unhashed_blobs, + vol, AT_REPARSE_POINT); + if (ret) + goto out; + } - /* Capture the file's streams; more specifically, this is supposed to: + /* Scan the data streams. * - * - 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); + * Note: directories should not have an unnamed data stream, but they + * may have named data streams. Nondirectories (including reparse + * points) can have an unnamed data stream as well as named data + * streams. */ + ret = scan_ntfs_attrs_with_type(inode, ni, path, path_len, + params->unhashed_blobs, vol, AT_DATA); if (ret) goto out; - if (ni->mrec->flags & MFT_RECORD_IS_DIRECTORY) { + if (inode_is_directory(inode)) { /* Recurse to directory children */ s64 pos = 0; - struct dos_name_map dos_name_map = { .rb_root = {.rb_node = NULL} }; + struct dos_name_map dos_name_map = { .root = 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 = 0, }; ret = ntfs_readdir(ni, &pos, &ctx, wim_ntfs_capture_filldir); if (ret) { - ERROR_WITH_ERRNO("Error reading directory \"%s\"", path); - ret = WIMLIB_ERR_NTFS_3G; + if (ctx.ret) { + /* wimlib error */ + ret = ctx.ret; + } else { + /* error from ntfs_readdir() itself */ + ERROR_WITH_ERRNO("Error reading directory \"%s\"", path); + ret = WIMLIB_ERR_NTFS_3G; + } } else { - ret = for_dentry_child(root, set_dentry_dos_name, - &dos_name_map); + struct wim_dentry *child; + + ret = 0; + for_dentry_child(child, root) { + ret = set_dentry_dos_name(child, &dos_name_map); + if (ret) + break; + } } destroy_dos_name_map(&dos_name_map); if (ret) goto out; } + path[path_len] = '\0'; /* Reparse-point fixups are a no-op because in NTFS-3g capture mode we * only allow capturing an entire volume. */ @@ -671,20 +646,23 @@ build_dentry_tree_ntfs_recursive(struct wim_dentry **root_ret, inode->i_not_rpfixed = 0; if (!(params->add_flags & WIMLIB_ADD_FLAG_NO_ACLS)) { + struct SECURITY_CONTEXT sec_ctx; + char _sd[4096]; + char *sd; + /* Get security descriptor */ - char _sd[1]; - char *sd = _sd; + memset(&sec_ctx, 0, sizeof(sec_ctx)); + sec_ctx.vol = vol; + errno = 0; - ret = ntfs_xattr_system_getxattr(&ctx, XATTR_NTFS_ACL, - ni, dir_ni, sd, - sizeof(sd)); - if (ret > sizeof(sd)) { + sd = _sd; + ret = ntfs_get_ntfs_acl(&sec_ctx, 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); + ret = ntfs_get_ntfs_acl(&sec_ctx, ni, sd, ret); } if (ret > 0) { - inode->i_security_id = sd_set_add_sd(¶ms->sd_set, + inode->i_security_id = sd_set_add_sd(params->sd_set, sd, ret); if (inode->i_security_id == -1) { ERROR("Out of memory"); @@ -703,11 +681,22 @@ build_dentry_tree_ntfs_recursive(struct wim_dentry **root_ret, DEBUG("No security ID for `%s'", path); } } -out: - if (ret == 0) - *root_ret = root; + if (ret) + goto out; + +out_progress: + params->progress.scan.cur_path = path; + if (root == NULL) + ret = do_capture_progress(params, WIMLIB_SCAN_DENTRY_EXCLUDED, NULL); else - free_dentry_tree(root, params->lookup_table); + ret = do_capture_progress(params, WIMLIB_SCAN_DENTRY_OK, inode); +out: + if (unlikely(ret)) { + free_dentry_tree(root, params->blob_table); + root = NULL; + ret = report_capture_error(params, ret, path); + } + *root_ret = root; return ret; } @@ -725,7 +714,7 @@ do_ntfs_umount(struct _ntfs_volume *vol) int build_dentry_tree_ntfs(struct wim_dentry **root_p, const char *device, - struct add_image_params *params) + struct capture_params *params) { ntfs_volume *vol; ntfs_inode *root_ni; @@ -782,7 +771,7 @@ build_dentry_tree_ntfs(struct wim_dentry **root_p, path[0] = '/'; path[1] = '\0'; - ret = build_dentry_tree_ntfs_recursive(root_p, NULL, root_ni, path, 1, + ret = build_dentry_tree_ntfs_recursive(root_p, root_ni, path, 1, FILE_NAME_POSIX, vol, params); out_cleanup: FREE(path); @@ -796,8 +785,6 @@ out: 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