]> wimlib.net Git - wimlib/blobdiff - src/ntfs-capture.c
ntfs capture: can no longer get DOS name from multi-linked files
[wimlib] / src / ntfs-capture.c
index d23776b889d39cc4c990ebcd4cb130439fefef75..ac7648a372e0e6e3d7561544b71dcb92ea86aaed 100644 (file)
 
 #include "config.h"
 
-#ifdef WITH_NTFS_3G
 #include <ntfs-3g/endians.h>
 #include <ntfs-3g/types.h>
-#endif
 
 #include "wimlib_internal.h"
 
 
-#ifdef WITH_NTFS_3G
 #include "dentry.h"
 #include "lookup_table.h"
-#include "io.h"
+#include "buffer_io.h"
 #include <ntfs-3g/layout.h>
 #include <ntfs-3g/acls.h>
 #include <ntfs-3g/attrib.h>
@@ -209,7 +206,7 @@ static int ntfs_attr_sha1sum(ntfs_inode *ni, ATTR_RECORD *ar,
 {
        s64 pos = 0;
        s64 bytes_remaining;
-       char buf[4096];
+       char buf[BUFFER_SIZE];
        ntfs_attr *na;
        SHA_CTX ctx;
 
@@ -249,9 +246,9 @@ out_error:
 
 /* Load the streams from a file or reparse point in the NTFS volume into the WIM
  * lookup table */
-static int capture_ntfs_streams(struct dentry *dentry, ntfs_inode *ni,
+static int capture_ntfs_streams(struct wim_dentry *dentry, ntfs_inode *ni,
                                char path[], size_t path_len,
-                               struct lookup_table *lookup_table,
+                               struct wim_lookup_table *lookup_table,
                                ntfs_volume **ntfs_vol_p,
                                ATTR_TYPES type)
 {
@@ -259,7 +256,7 @@ static int capture_ntfs_streams(struct dentry *dentry, ntfs_inode *ni,
        u8 attr_hash[SHA1_HASH_SIZE];
        struct ntfs_location *ntfs_loc = NULL;
        int ret = 0;
-       struct lookup_table_entry *lte;
+       struct wim_lookup_table_entry *lte;
 
        DEBUG2("Capturing NTFS data streams from `%s'", path);
 
@@ -333,7 +330,7 @@ static int capture_ntfs_streams(struct dentry *dentry, ntfs_inode *ni,
                                lte->ntfs_loc = ntfs_loc;
                                lte->resource_location = RESOURCE_IN_NTFS_VOLUME;
                                if (type == AT_REPARSE_POINT) {
-                                       dentry->d_inode->reparse_tag = reparse_tag;
+                                       dentry->d_inode->i_reparse_tag = reparse_tag;
                                        ntfs_loc->is_reparse_point = true;
                                        lte->resource_entry.original_size = data_size - 8;
                                        lte->resource_entry.size = data_size - 8;
@@ -343,7 +340,7 @@ static int capture_ntfs_streams(struct dentry *dentry, ntfs_inode *ni,
                                        lte->resource_entry.size = data_size;
                                }
                                ntfs_loc = NULL;
-                               DEBUG("Add resource for `%s' (size = %zu)",
+                               DEBUG("Add resource for `%s' (size = %"PRIu64")",
                                      dentry->file_name_utf8,
                                      lte->resource_entry.original_size);
                                copy_hash(lte->hash, attr_hash);
@@ -353,22 +350,24 @@ static int capture_ntfs_streams(struct dentry *dentry, ntfs_inode *ni,
                if (name_length == 0) {
                        /* Unnamed data stream.  Put the reference to it in the
                         * dentry's inode. */
-                       if (dentry->d_inode->lte) {
+                       if (dentry->d_inode->i_lte) {
                                ERROR("Found two un-named data streams for "
                                      "`%s'", path);
                                ret = WIMLIB_ERR_NTFS_3G;
                                goto out_free_lte;
                        }
-                       dentry->d_inode->lte = lte;
+                       dentry->d_inode->i_lte = lte;
                } else {
                        /* Named data stream.  Put the reference to it in the
                         * alternate data stream entries */
-                       struct ads_entry *new_ads_entry;
+                       struct wim_ads_entry *new_ads_entry;
                        size_t stream_name_utf8_len;
-                       stream_name_utf8 = utf16_to_utf8((const char*)attr_record_name(actx->attr),
-                                                        name_length * 2,
-                                                        &stream_name_utf8_len);
-                       if (!stream_name_utf8)
+
+                       ret = utf16_to_utf8((const char*)attr_record_name(actx->attr),
+                                           name_length * 2,
+                                           &stream_name_utf8,
+                                           &stream_name_utf8_len);
+                       if (ret != 0)
                                goto out_free_lte;
                        new_ads_entry = inode_add_ads(dentry->d_inode, stream_name_utf8);
                        FREE(stream_name_utf8);
@@ -400,26 +399,28 @@ out_put_actx:
 }
 
 struct readdir_ctx {
-       struct dentry       *parent;
+       struct wim_dentry           *parent;
        ntfs_inode          *dir_ni;
        char                *path;
        size_t               path_len;
-       struct lookup_table *lookup_table;
+       struct wim_lookup_table *lookup_table;
        struct sd_set       *sd_set;
        const struct capture_config *config;
        ntfs_volume        **ntfs_vol_p;
-       int                  flags;
+       int                  add_image_flags;
+       wimlib_progress_func_t progress_func;
 };
 
 static int
-build_dentry_tree_ntfs_recursive(struct dentry **root_p, ntfs_inode *dir_ni,
+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,
-                                struct lookup_table *lookup_table,
+                                struct wim_lookup_table *lookup_table,
                                 struct sd_set *sd_set,
                                 const struct capture_config *config,
                                 ntfs_volume **ntfs_vol_p,
-                                int flags);
+                                int add_image_flags,
+                                wimlib_progress_func_t progress_func);
 
 static int wim_ntfs_capture_filldir(void *dirent, const ntfschar *name,
                                    const int name_len, const int name_type,
@@ -429,19 +430,17 @@ static int wim_ntfs_capture_filldir(void *dirent, const ntfschar *name,
        struct readdir_ctx *ctx;
        size_t utf8_name_len;
        char *utf8_name;
-       struct dentry *child = NULL;
+       struct wim_dentry *child = NULL;
        int ret;
        size_t path_len;
 
        if (name_type == FILE_NAME_DOS)
                return 0;
 
-       ret = -1;
-
-       utf8_name = utf16_to_utf8((const char*)name, name_len * 2,
-                                 &utf8_name_len);
-       if (!utf8_name)
-               goto out;
+       ret = utf16_to_utf8((const char*)name, name_len * 2,
+                           &utf8_name, &utf8_name_len);
+       if (ret != 0)
+               return -1;
 
        if (utf8_name[0] == '.' &&
             (utf8_name[1] == '\0' ||
@@ -466,7 +465,8 @@ static int wim_ntfs_capture_filldir(void *dirent, const ntfschar *name,
                                               ni, ctx->path, path_len, name_type,
                                               ctx->lookup_table, ctx->sd_set,
                                               ctx->config, ctx->ntfs_vol_p,
-                                              ctx->flags);
+                                              ctx->add_image_flags,
+                                              ctx->progress_func);
 
        if (child)
                dentry_add_child(ctx->parent, child);
@@ -474,48 +474,60 @@ static int wim_ntfs_capture_filldir(void *dirent, const ntfschar *name,
        ntfs_inode_close(ni);
 out_free_utf8_name:
        FREE(utf8_name);
-out:
        return ret;
 }
 
-static int change_dentry_short_name(struct dentry *dentry,
+static int change_dentry_short_name(struct wim_dentry *dentry,
                                    const char short_name_utf8[],
                                    int short_name_utf8_len)
 {
        size_t short_name_utf16_len;
        char *short_name_utf16;
-       short_name_utf16 = utf8_to_utf16(short_name_utf8, short_name_utf8_len,
-                                        &short_name_utf16_len);
-       if (!short_name_utf16) {
-               ERROR_WITH_ERRNO("Failed to convert short name to UTF-16");
-               return WIMLIB_ERR_NOMEM;
+       int ret;
+
+       ret = utf8_to_utf16(short_name_utf8, short_name_utf8_len,
+                           &short_name_utf16, &short_name_utf16_len);
+       if (ret == 0) {
+               dentry->short_name = short_name_utf16;
+               dentry->short_name_len = short_name_utf16_len;
        }
-       dentry->short_name = short_name_utf16;
-       dentry->short_name_len = short_name_utf16_len;
-       return 0;
+       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 dentry **root_p,
+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,
-                                           struct lookup_table *lookup_table,
+                                           struct wim_lookup_table *lookup_table,
                                            struct sd_set *sd_set,
                                            const struct capture_config *config,
                                            ntfs_volume **ntfs_vol_p,
-                                           int flags)
+                                           int add_image_flags,
+                                           wimlib_progress_func_t progress_func)
 {
        u32 attributes;
        int mrec_flags;
        int ret;
-       char dos_name_utf8[64];
-       struct dentry *root;
+       struct wim_dentry *root;
+
+       if (exclude_path(path, config, false)) {
+               if ((add_image_flags & WIMLIB_ADD_IMAGE_FLAG_VERBOSE)
+                   && progress_func)
+               {
+                       union wimlib_progress_info info;
+                       info.scan.cur_path = path;
+                       info.scan.excluded = true;
+                       progress_func(WIMLIB_PROGRESS_MSG_SCAN_DENTRY, &info);
+               }
+               *root_p = NULL;
+               return 0;
+       }
 
        mrec_flags = ni->mrec->flags;
        struct SECURITY_CONTEXT ctx;
@@ -530,33 +542,32 @@ static int build_dentry_tree_ntfs_recursive(struct dentry **root_p,
                return WIMLIB_ERR_NTFS_3G;
        }
 
-       if (exclude_path(path, config, false)) {
-               if (flags & WIMLIB_ADD_IMAGE_FLAG_VERBOSE) {
-                       const char *file_type;
-                       if (attributes & MFT_RECORD_IS_DIRECTORY)
-                               file_type = "directory";
-                       else
-                               file_type = "file";
-                       printf("Excluding %s `%s' from capture\n",
-                              file_type, path);
-               }
-               *root_p = NULL;
-               return 0;
+       if ((add_image_flags & WIMLIB_ADD_IMAGE_FLAG_VERBOSE)
+           && progress_func)
+       {
+               union wimlib_progress_info info;
+               info.scan.cur_path = path;
+               info.scan.excluded = false;
+               progress_func(WIMLIB_PROGRESS_MSG_SCAN_DENTRY, &info);
        }
 
-       if (flags & WIMLIB_ADD_IMAGE_FLAG_VERBOSE)
-               printf("Scanning `%s'\n", path);
-
        root = new_dentry_with_timeless_inode(path_basename(path));
-       if (!root)
-               return WIMLIB_ERR_NOMEM;
+       if (!root) {
+               if (errno == EILSEQ)
+                       return WIMLIB_ERR_INVALID_UTF8_STRING;
+               else if (errno == ENOMEM)
+                       return WIMLIB_ERR_NOMEM;
+               else
+                       return WIMLIB_ERR_ICONV_NOT_AVAILABLE;
+       }
        *root_p = root;
 
        if (dir_ni && (name_type == FILE_NAME_WIN32_AND_DOS
                       || name_type == FILE_NAME_WIN32))
        {
+               char dos_name_utf8[12 * 4 + 1] = {0};
                ret = ntfs_get_ntfs_dos_name(ni, dir_ni, dos_name_utf8,
-                                            sizeof(dos_name_utf8));
+                                            sizeof(dos_name_utf8) - 1);
                if (ret > 0) {
                        DEBUG("Changing short name of `%s'", path);
                        ret = change_dentry_short_name(root, dos_name_utf8,
@@ -564,22 +575,25 @@ static int build_dentry_tree_ntfs_recursive(struct dentry **root_p,
                        if (ret != 0)
                                return ret;
                } else {
+                       if (
                #ifdef ENODATA
-                       if (errno != ENODATA) {
+                           errno != ENODATA &&
+               #endif
+                           errno != EMLINK
+                           ) {
                                ERROR_WITH_ERRNO("Error getting DOS name "
                                                 "of `%s'", path);
                                return WIMLIB_ERR_NTFS_3G;
                        }
-               #endif
                }
        }
 
-       root->d_inode->creation_time    = le64_to_cpu(ni->creation_time);
-       root->d_inode->last_write_time  = le64_to_cpu(ni->last_data_change_time);
-       root->d_inode->last_access_time = le64_to_cpu(ni->last_access_time);
-       root->d_inode->attributes       = le32_to_cpu(attributes);
-       root->d_inode->ino              = ni->mft_no;
-       root->d_inode->resolved         = true;
+       root->d_inode->i_creation_time    = le64_to_cpu(ni->creation_time);
+       root->d_inode->i_last_write_time  = le64_to_cpu(ni->last_data_change_time);
+       root->d_inode->i_last_access_time = le64_to_cpu(ni->last_access_time);
+       root->d_inode->i_attributes       = le32_to_cpu(attributes);
+       root->d_inode->i_ino              = ni->mft_no;
+       root->d_inode->i_resolved         = 1;
 
        if (attributes & FILE_ATTR_REPARSE_POINT) {
                /* Junction point, symbolic link, or other reparse point */
@@ -599,7 +613,8 @@ static int build_dentry_tree_ntfs_recursive(struct dentry **root_p,
                        .sd_set       = sd_set,
                        .config       = config,
                        .ntfs_vol_p   = ntfs_vol_p,
-                       .flags        = flags,
+                       .add_image_flags = add_image_flags,
+                       .progress_func = progress_func,
                };
                ret = ntfs_readdir(ni, &pos, &ctx, wim_ntfs_capture_filldir);
                if (ret != 0) {
@@ -627,32 +642,33 @@ static int build_dentry_tree_ntfs_recursive(struct dentry **root_p,
                                                 ni, dir_ni, sd, ret);
        }
        if (ret > 0) {
-               root->d_inode->security_id = sd_set_add_sd(sd_set, sd, ret);
-               if (root->d_inode->security_id == -1) {
+               root->d_inode->i_security_id = sd_set_add_sd(sd_set, sd, ret);
+               if (root->d_inode->i_security_id == -1) {
                        ERROR("Out of memory");
                        return WIMLIB_ERR_NOMEM;
                }
                DEBUG("Added security ID = %u for `%s'",
-                     root->d_inode->security_id, path);
+                     root->d_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 {
-               root->d_inode->security_id = -1;
+               root->d_inode->i_security_id = -1;
                DEBUG("No security ID for `%s'", path);
        }
        return ret;
 }
 
-static int build_dentry_tree_ntfs(struct dentry **root_p,
-                                 const char *device,
-                                 struct lookup_table *lookup_table,
-                                 struct wim_security_data *sd,
-                                 const struct capture_config *config,
-                                 int flags,
-                                 void *extra_arg)
+int build_dentry_tree_ntfs(struct wim_dentry **root_p,
+                          const char *device,
+                          struct wim_lookup_table *lookup_table,
+                          struct wim_security_data *sd,
+                          const struct capture_config *config,
+                          int add_image_flags,
+                          wimlib_progress_func_t progress_func,
+                          void *extra_arg)
 {
        ntfs_volume *vol;
        ntfs_inode *root_ni;
@@ -665,7 +681,13 @@ static int build_dentry_tree_ntfs(struct dentry **root_p,
 
        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);
@@ -700,13 +722,18 @@ static int build_dentry_tree_ntfs(struct dentry **root_p,
        ret = build_dentry_tree_ntfs_recursive(root_p, NULL, root_ni, path, 1,
                                               FILE_NAME_POSIX, lookup_table,
                                               &sd_set, config, ntfs_vol_p,
-                                              flags);
+                                              add_image_flags,
+                                              progress_func);
 out_cleanup:
        FREE(path);
        ntfs_inode_close(root_ni);
        destroy_sd_set(&sd_set);
 
 out:
+       ntfs_index_ctx_put(vol->secure_xsii);
+       ntfs_index_ctx_put(vol->secure_xsdh);
+       ntfs_inode_close(vol->secure_ni);
+
        if (ret) {
                if (ntfs_umount(vol, FALSE) != 0) {
                        ERROR_WITH_ERRNO("Failed to unmount NTFS volume `%s'",
@@ -721,34 +748,3 @@ out:
        }
        return ret;
 }
-
-
-
-WIMLIBAPI int wimlib_add_image_from_ntfs_volume(WIMStruct *w,
-                                               const char *device,
-                                               const char *name,
-                                               const char *config_str,
-                                               size_t config_len,
-                                               int flags)
-{
-       if (flags & (WIMLIB_ADD_IMAGE_FLAG_DEREFERENCE)) {
-               ERROR("Cannot dereference files when capturing directly from NTFS");
-               return WIMLIB_ERR_INVALID_PARAM;
-       }
-       return do_add_image(w, device, name, config_str, config_len, flags,
-                           build_dentry_tree_ntfs, &w->ntfs_vol);
-}
-
-#else /* WITH_NTFS_3G */
-WIMLIBAPI int wimlib_add_image_from_ntfs_volume(WIMStruct *w,
-                                               const char *device,
-                                               const char *name,
-                                               const char *config_str,
-                                               size_t config_len,
-                                               int flags)
-{
-       ERROR("wimlib was compiled without support for NTFS-3g, so");
-       ERROR("we cannot capture a WIM image directly from a NTFS volume");
-       return WIMLIB_ERR_UNSUPPORTED;
-}
-#endif /* WITH_NTFS_3G */