]> wimlib.net Git - wimlib/blobdiff - src/xml.c
Cleanup timestamp conversion code
[wimlib] / src / xml.c
index cafc14f4788cda5722cba8e837d2ce33ce097db5..1dd4d8398a7efa573b3b43c0060126411d283568 100644 (file)
--- a/src/xml.c
+++ b/src/xml.c
@@ -7,20 +7,18 @@
 /*
  * Copyright (C) 2012, 2013 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
@@ -62,6 +60,7 @@ struct windows_info {
        tchar   *product_name;
        tchar   *edition_id;
        tchar   *installation_type;
+       tchar   *pkeyconfigversion;
        tchar   *hal;
        tchar   *product_type;
        tchar   *product_suite;
@@ -88,6 +87,10 @@ struct image_info {
        tchar *display_name;
        tchar *display_description;
        tchar *flags;
+       bool wimboot;
+
+       /* Note: must update clone_image_info() if adding new fields here  */
+
        struct wim_lookup_table *lookup_table; /* temporary field */
 };
 
@@ -166,6 +169,18 @@ wim_info_get_num_images(const struct wim_info *info)
                return 0;
 }
 
+void
+wim_info_set_wimboot(struct wim_info *info, int image, bool value)
+{
+       info->images[image - 1].wimboot = value;
+}
+
+bool
+wim_info_get_wimboot(const struct wim_info *info, int image)
+{
+       return info->images[image - 1].wimboot;
+}
+
 /* Architecture constants are from w64 mingw winnt.h  */
 #define PROCESSOR_ARCHITECTURE_INTEL 0
 #define PROCESSOR_ARCHITECTURE_MIPS 1
@@ -255,18 +270,13 @@ static int
 node_get_string(const xmlNode *string_node, tchar **tstr_ret)
 {
        xmlNode *child;
-       tchar *tstr = NULL;
-       int ret;
 
-       for_node_child(string_node, child) {
-               if (node_is_text(child) && child->content) {
-                       ret = utf8_to_tstr_simple(child->content, &tstr);
-                       if (ret)
-                               return ret;
-                       break;
-               }
-       }
-       *tstr_ret = tstr;
+       if (*tstr_ret)
+               return 0;
+
+       for_node_child(string_node, child)
+               if (node_is_text(child) && child->content)
+                       return utf8_to_tstr_simple(child->content, tstr_ret);
        return 0;
 }
 
@@ -314,6 +324,7 @@ destroy_windows_info(struct windows_info *windows_info)
        FREE(windows_info->hal);
        FREE(windows_info->product_type);
        FREE(windows_info->product_suite);
+       FREE(windows_info->pkeyconfigversion);
        for (size_t i = 0; i < windows_info->num_languages; i++)
                FREE(windows_info->languages[i]);
        FREE(windows_info->languages);
@@ -449,7 +460,19 @@ xml_read_windows_info(const xmlNode *windows_node,
                        ret = node_get_string(child, &windows_info->system_root);
                } else if (node_name_is(child, "HAL")) {
                        ret = node_get_string(child, &windows_info->hal);
+               } else if (node_name_is(child, "SERVICINGDATA")) {
+                       xmlNode *grandchild;
+
+                       for_node_child(child, grandchild) {
+                               if (node_is_element(grandchild) &&
+                                   node_name_is(grandchild, "PKEYCONFIGVERSION"))
+                               {
+                                       ret = node_get_string(grandchild,
+                                                             &windows_info->pkeyconfigversion);
+                               }
+                       }
                }
+
                if (ret != 0)
                        return ret;
        }
@@ -489,7 +512,6 @@ xml_read_image_info(xmlNode *image_node, struct image_info *image_info)
                else if (node_name_is(child, "LASTMODIFICATIONTIME"))
                        image_info->last_modification_time = node_get_timestamp(child);
                else if (node_name_is(child, "WINDOWS")) {
-                       DEBUG("Found <WINDOWS> tag");
                        ret = xml_read_windows_info(child,
                                                    &image_info->windows_info);
                        image_info->windows_info_exists = true;
@@ -503,13 +525,16 @@ xml_read_image_info(xmlNode *image_node, struct image_info *image_info)
                        ret = node_get_string(child, &image_info->display_name);
                } else if (node_name_is(child, "DISPLAYDESCRIPTION")) {
                        ret = node_get_string(child, &image_info->display_description);
+               } else if (node_name_is(child, "WIMBOOT")) {
+                       if (node_get_u64(child) == 1) {
+                               image_info->wimboot = true;
+                       }
                }
                if (ret != 0)
                        return ret;
        }
        if (!image_info->name) {
                tchar *empty_name;
-               /*WARNING("Image with index %d has no name", image_info->index);*/
                empty_name = MALLOC(sizeof(tchar));
                if (!empty_name)
                        return WIMLIB_ERR_NOMEM;
@@ -538,8 +563,9 @@ xml_read_wim_info(const xmlNode *wim_node, struct wim_info **wim_info_ret)
        num_images = 0;
        for_node_child(wim_node, child) {
                if (node_is_element(child) && node_name_is(child, "IMAGE")) {
-                       if (num_images == INT_MAX) {
-                               return WIMLIB_ERR_IMAGE_COUNT;
+                       if (unlikely(num_images == MAX_IMAGES)) {
+                               ret = WIMLIB_ERR_IMAGE_COUNT;
+                               goto err;
                        }
                        num_images++;
                }
@@ -558,7 +584,6 @@ xml_read_wim_info(const xmlNode *wim_node, struct wim_info **wim_info_ret)
                        if (!node_is_element(child))
                                continue;
                        if (node_name_is(child, "IMAGE")) {
-                               DEBUG("Found <IMAGE> tag");
                                ret = xml_read_image_info(child,
                                                          &wim_info->images[i]);
                                if (ret != 0)
@@ -589,7 +614,8 @@ xml_read_wim_info(const xmlNode *wim_node, struct wim_info **wim_info_ret)
                                ERROR("WIM images are not indexed [1...%d] "
                                      "in XML data as expected",
                                      num_images);
-                               return WIMLIB_ERR_IMAGE_COUNT;
+                               ret = WIMLIB_ERR_IMAGE_COUNT;
+                               goto err;
                        }
                }
 
@@ -601,10 +627,7 @@ err:
        return ret;
 }
 
-/* Prints the information contained in a `struct windows_info'.
- *
- * Warning: any strings printed here are in UTF-8 encoding.  If the locale
- * character encoding is not UTF-8, the printed strings may be garbled. */
+/* Prints the information contained in a `struct windows_info'.  */
 static void
 print_windows_info(const struct windows_info *windows_info)
 {
@@ -815,6 +838,21 @@ xml_write_windows_info(xmlTextWriter *writer,
                        return rc;
        }
 
+       if (windows_info->pkeyconfigversion) {
+               rc = xmlTextWriterStartElement(writer, "SERVICINGDATA");
+               if (rc < 0)
+                       return rc;
+
+               rc = xml_write_string(writer, "PKEYCONFIGVERSION",
+                                     windows_info->pkeyconfigversion);
+               if (rc)
+                       return rc;
+
+               rc = xmlTextWriterEndElement(writer);
+               if (rc < 0)
+                       return rc;
+       }
+
        if (windows_info->windows_version_exists) {
                rc = xml_write_windows_version(writer, &windows_info->windows_version);
                if (rc)
@@ -912,6 +950,12 @@ xml_write_image_info(xmlTextWriter *writer, const struct image_info *image_info)
        if (rc)
                return rc;
 
+       if (image_info->wimboot) {
+               rc = xmlTextWriterWriteFormatElement(writer, "WIMBOOT", "%d", 1);
+               if (rc < 0)
+                       return rc;
+       }
+
        rc = xmlTextWriterEndElement(writer); /* </IMAGE> */
        if (rc < 0)
                return rc;
@@ -944,11 +988,19 @@ clone_windows_info(const struct windows_info *old, struct windows_info *new)
 {
        int ret;
 
+       new->arch = old->arch;
+
        ret = dup_strings_from_specs(old, new, windows_info_xml_string_specs,
                                     ARRAY_LEN(windows_info_xml_string_specs));
        if (ret)
                return ret;
 
+       if (old->pkeyconfigversion) {
+               new->pkeyconfigversion = TSTRDUP(old->pkeyconfigversion);
+               if (new->pkeyconfigversion == NULL)
+                       return WIMLIB_ERR_NOMEM;
+       }
+
        if (old->languages) {
                new->languages = CALLOC(old->num_languages, sizeof(new->languages[0]));
                if (!new->languages)
@@ -1000,6 +1052,7 @@ clone_image_info(const struct image_info *old, struct image_info *new)
                if (ret)
                        return ret;
        }
+       new->wimboot = old->wimboot;
        return 0;
 }
 
@@ -1115,7 +1168,6 @@ calculate_dentry_statistics(struct wim_dentry *dentry, void *arg)
 {
        struct image_info *info = arg;
        const struct wim_inode *inode = dentry->d_inode;
-       struct wim_lookup_table_entry *lte;
 
        /* Update directory count and file count.
         *
@@ -1126,19 +1178,19 @@ calculate_dentry_statistics(struct wim_dentry *dentry, void *arg)
         * points) count as regular files.  This is despite the fact that
         * junction points have FILE_ATTRIBUTE_DIRECTORY set.
         */
-       if (dentry_is_root(dentry))
-               return 0;
 
-       if (inode_is_directory(inode))
-               info->dir_count++;
-       else
-               info->file_count++;
+       if (!dentry_is_root(dentry)) {
+               if (inode_is_directory(inode))
+                       info->dir_count++;
+               else
+                       info->file_count++;
+       }
 
        /*
         * Update total bytes and hard link bytes.
         *
-        * Unfortunately there are some inconsistencies/bugs in the way this is
-        * done.
+        * We try to act the same as the MS implementation, even though there
+        * are some inconsistencies/bugs in the way it operates.
         *
         * If there are no alternate data streams in the image, the "total
         * bytes" is the sum of the size of the un-named data stream of each
@@ -1160,20 +1212,26 @@ calculate_dentry_statistics(struct wim_dentry *dentry, void *arg)
         * link bytes", and this size is multiplied by the link count (NOT one
         * less than the link count).
         */
-       lte = inode_unnamed_lte(inode, info->lookup_table);
-       if (lte) {
-               info->total_bytes += lte->size;
-               if (!dentry_is_first_in_inode(dentry))
-                       info->hard_link_bytes += lte->size;
-       }
+       if (!(inode->i_attributes & (FILE_ATTRIBUTE_DIRECTORY |
+                                    FILE_ATTRIBUTE_REPARSE_POINT)))
+       {
+               struct wim_lookup_table_entry *lte;
+
+               lte = inode_unnamed_lte(inode, info->lookup_table);
+               if (lte) {
+                       info->total_bytes += lte->size;
+                       if (!dentry_is_first_in_inode(dentry))
+                               info->hard_link_bytes += lte->size;
+               }
 
-       if (inode->i_nlink >= 2 && dentry_is_first_in_inode(dentry)) {
-               for (unsigned i = 0; i < inode->i_num_ads; i++) {
-                       if (inode->i_ads_entries[i].stream_name_nbytes) {
-                               lte = inode_stream_lte(inode, i + 1, info->lookup_table);
-                               if (lte) {
-                                       info->hard_link_bytes += inode->i_nlink *
-                                                                lte->size;
+               if (inode->i_nlink >= 2 && dentry_is_first_in_inode(dentry)) {
+                       for (unsigned i = 0; i < inode->i_num_ads; i++) {
+                               if (inode->i_ads_entries[i].stream_name_nbytes) {
+                                       lte = inode_stream_lte(inode, i + 1, info->lookup_table);
+                                       if (lte) {
+                                               info->hard_link_bytes += inode->i_nlink *
+                                                                        lte->size;
+                                       }
                                }
                        }
                }
@@ -1183,10 +1241,7 @@ calculate_dentry_statistics(struct wim_dentry *dentry, void *arg)
 
 /*
  * Calculate what to put in the <FILECOUNT>, <DIRCOUNT>, <TOTALBYTES>, and
- * <HARDLINKBYTES> elements of each <IMAGE>.
- *
- * Please note there is no official documentation for exactly how this is done.
- * But, see calculate_dentry_statistics().
+ * <HARDLINKBYTES> elements of the specified WIM image.
  */
 void
 xml_update_image_info(WIMStruct *wim, int image)
@@ -1206,7 +1261,7 @@ xml_update_image_info(WIMStruct *wim, int image)
        for_dentry_in_tree(wim->image_metadata[image - 1]->root_dentry,
                           calculate_dentry_statistics,
                           image_info);
-       image_info->last_modification_time = get_wim_timestamp();
+       image_info->last_modification_time = now_as_wim_timestamp();
 }
 
 /* Adds an image to the XML information. */
@@ -1237,7 +1292,7 @@ xml_add_image(WIMStruct *wim, const tchar *name)
 
        wim->wim_info = wim_info;
        image_info->index = wim_info->num_images;
-       image_info->creation_time = get_wim_timestamp();
+       image_info->creation_time = now_as_wim_timestamp();
        xml_update_image_info(wim, image_info->index);
        return 0;
 
@@ -1298,6 +1353,8 @@ print_image_info(const struct wim_info *wim_info, int image)
                print_windows_info(&image_info->windows_info);
        if (image_info->flags)
                tprintf(T("Flags:                  %"TS"\n"), image_info->flags);
+       tprintf(T("WIMBoot compatible:     %"TS"\n"),
+               image_info->wimboot ? T("yes") : T("no"));
        tputchar('\n');
 }
 
@@ -1512,7 +1569,7 @@ write_wim_xml_data(WIMStruct *wim, int image, u64 total_bytes,
        size_t xml_len;
 
        DEBUG("Writing WIM XML data (image=%d, offset=%"PRIu64")",
-             image, total_bytes, wim->out_fd.offset);
+             image, wim->out_fd.offset);
 
        ret = prepare_wim_xml_data(wim, image, total_bytes,
                                   &xml_data, &xml_len);
@@ -1610,29 +1667,19 @@ wimlib_set_image_name(WIMStruct *wim, int image, const tchar *name)
 {
        tchar *p;
        int i;
-       int ret;
-
-       DEBUG("Setting the name of image %d to %"TS, image, name);
-
-       ret = can_modify_wim(wim);
-       if (ret)
-               return ret;
 
        if (name == NULL)
                name = T("");
 
-       if (image < 1 || image > wim->hdr.image_count) {
-               ERROR("%d is not a valid image", image);
+       if (image < 1 || image > wim->hdr.image_count)
                return WIMLIB_ERR_INVALID_IMAGE;
-       }
 
-       for (i = 1; i <= wim->hdr.image_count; i++) {
-               if (i == image)
-                       continue;
-               if (!tstrcmp(wim->wim_info->images[i - 1].name, name)) {
-                       ERROR("The name \"%"TS"\" is already in use in the WIM!",
-                             name);
-                       return WIMLIB_ERR_IMAGE_NAME_COLLISION;
+       if (*name) {
+               for (i = 1; i <= wim->hdr.image_count; i++) {
+                       if (i == image)
+                               continue;
+                       if (!tstrcmp(wim->wim_info->images[i - 1].name, name))
+                               return WIMLIB_ERR_IMAGE_NAME_COLLISION;
                }
        }
 
@@ -1651,11 +1698,6 @@ do_set_image_info_str(WIMStruct *wim, int image, const tchar *tstr,
 {
        tchar *tstr_copy;
        tchar **dest_tstr_p;
-       int ret;
-
-       ret = can_modify_wim(wim);
-       if (ret)
-               return ret;
 
        if (image < 1 || image > wim->hdr.image_count) {
                ERROR("%d is not a valid image", image);