*/
/*
- * Copyright (C) 2013 Eric Biggers
+ * Copyright (C) 2013, 2014 Eric Biggers
*
* This file is part of wimlib, a library for working with WIM files.
*
#include "wimlib/xml.h"
#include <errno.h>
+#include <sys/stat.h>
/* Overlays @branch onto @target, both of which must be directories. */
static int
do_overlay(struct wim_dentry *target, struct wim_dentry *branch)
{
- struct rb_root *rb_root;
-
DEBUG("Doing overlay \"%"WS"\" => \"%"WS"\"",
branch->file_name, target->file_name);
return WIMLIB_ERR_INVALID_OVERLAY;
}
- rb_root = &branch->d_inode->i_children;
LIST_HEAD(moved_children);
- while (rb_root->rb_node) { /* While @branch has children... */
- struct wim_dentry *child = rbnode_dentry(rb_root->rb_node);
+ while (dentry_has_children(branch)) {
+ struct wim_dentry *child = dentry_any_child(branch);
struct wim_dentry *existing;
/* Move @child to the directory @target */
/* Attach or overlay a branch onto the WIM image.
*
* @root_p:
- * Pointer to the root of the WIM image, or pointer to NULL if it has not
- * been created yet.
+ * Pointer to the root of the WIM image, or pointer to NULL if it has not
+ * been created yet.
* @branch
- * Branch to add.
+ * Branch to add.
* @target_path:
- * Path in the WIM image to add the branch, with leading and trailing
- * slashes stripped.
+ * Path in the WIM image to add the branch, with leading and trailing
+ * slashes stripped.
*/
static int
attach_branch(struct wim_dentry **root_p, struct wim_dentry *branch,
- tchar *target_path)
+ tchar *target_path, CASE_SENSITIVITY_TYPE case_type)
{
tchar *slash;
struct wim_dentry *dentry, *parent, *target;
/* Walk the path to the branch, creating filler directories as needed.
* */
parent = *root_p;
- while ((slash = tstrchr(target_path, T('/')))) {
+ while ((slash = tstrchr(target_path, WIM_PATH_SEPARATOR))) {
*slash = T('\0');
- dentry = get_dentry_child_with_name(parent, target_path);
+ dentry = get_dentry_child_with_name(parent, target_path,
+ case_type);
if (!dentry) {
ret = new_filler_directory(target_path, &dentry);
if (ret)
* trailing slashes were tripped. */
do {
++target_path;
- } while (*target_path == T('/'));
+ } while (*target_path == WIM_PATH_SEPARATOR);
}
/* If the target path already existed, overlay the branch onto it.
* Otherwise, set the branch as the target path. */
target = get_dentry_child_with_utf16le_name(parent, branch->file_name,
- branch->file_name_nbytes);
+ branch->file_name_nbytes,
+ case_type);
if (target) {
return do_overlay(target, branch);
} else {
}
}
+static const char wincfg[] =
+"[ExclusionList]\n"
+"/$ntfs.log\n"
+"/hiberfil.sys\n"
+"/pagefile.sys\n"
+"/System Volume Information\n"
+"/RECYCLER\n"
+"/Windows/CSC\n";
+
+static const tchar *wimboot_cfgfile =
+ T("/Windows/System32/WimBootCompress.ini");
+
+static int
+get_capture_config(const tchar *config_file, struct capture_config *config,
+ int add_flags, const tchar *fs_source_path)
+{
+ int ret;
+ tchar *tmp_config_file = NULL;
+
+ memset(config, 0, sizeof(*config));
+
+ /* For WIMBoot capture, check for default capture configuration file
+ * unless one was explicitly specified. */
+ if (!config_file && (add_flags & WIMLIB_ADD_FLAG_WIMBOOT)) {
+
+ /* XXX: Handle loading file correctly when in NTFS volume. */
+
+ size_t len = tstrlen(fs_source_path) +
+ tstrlen(wimboot_cfgfile);
+ tmp_config_file = MALLOC((len + 1) * sizeof(tchar));
+ struct stat st;
+
+ tsprintf(tmp_config_file, T("%"TS"%"TS),
+ fs_source_path, wimboot_cfgfile);
+ if (!tstat(tmp_config_file, &st)) {
+ config_file = tmp_config_file;
+ add_flags &= ~WIMLIB_ADD_FLAG_WINCONFIG;
+ } else {
+ WARNING("\"%"TS"\" does not exist.\n"
+ " Using default capture configuration!",
+ tmp_config_file);
+ }
+ }
+
+ if (add_flags & WIMLIB_ADD_FLAG_WINCONFIG) {
+ /* Use Windows default. */
+ if (config_file)
+ return WIMLIB_ERR_INVALID_PARAM;
+ ret = do_read_capture_config_file(T("wincfg"), wincfg,
+ sizeof(wincfg) - 1, config);
+ } else if (config_file) {
+ /* Use the specified configuration file. */
+ ret = do_read_capture_config_file(config_file, NULL, 0, config);
+ } else {
+ /* ... Or don't use any configuration file at all. No files
+ * will be excluded from capture, all files will be compressed,
+ * etc. */
+ ret = 0;
+ }
+ FREE(tmp_config_file);
+ return ret;
+}
+
+static int
+replace_wimboot_cfg(WIMStruct *wim, const tchar *config_file)
+{
+ struct wimlib_update_command cmds[] = {
+ {
+ .op = WIMLIB_UPDATE_OP_DELETE,
+ .delete_ = {
+ .wim_path = (tchar *)wimboot_cfgfile,
+ .delete_flags = WIMLIB_DELETE_FLAG_FORCE |
+ WIMLIB_DELETE_FLAG_RECURSIVE,
+ },
+ },
+ {
+ .op = WIMLIB_UPDATE_OP_ADD,
+ .add = {
+ .fs_source_path = (tchar *)config_file,
+ .wim_target_path = (tchar *)wimboot_cfgfile,
+ .add_flags = 0,
+ .config_file = NULL,
+ },
+ },
+ };
+ return wimlib_update_image(wim, wim->current_image,
+ cmds, ARRAY_LEN(cmds), 0, NULL);
+}
+
static int
execute_add_command(WIMStruct *wim,
const struct wimlib_update_command *add_cmd,
int (*capture_tree)(struct wim_dentry **,
const tchar *,
struct add_image_params *);
- union wimlib_progress_info progress;
- struct wimlib_capture_config *config;
+ const tchar *config_file;
+ struct capture_config config;
#ifdef WITH_NTFS_3G
struct _ntfs_volume *ntfs_vol = NULL;
#endif
bool rollback_sd = true;
wimlib_assert(add_cmd->op == WIMLIB_UPDATE_OP_ADD);
+
add_flags = add_cmd->add.add_flags;
fs_source_path = add_cmd->add.fs_source_path;
wim_target_path = add_cmd->add.wim_target_path;
- config = add_cmd->add.config;
+ config_file = add_cmd->add.config_file;
+
DEBUG("fs_source_path=\"%"TS"\", wim_target_path=\"%"TS"\", add_flags=%#x",
fs_source_path, wim_target_path, add_flags);
+ memset(¶ms, 0, sizeof(params));
+
imd = wim->image_metadata[wim->current_image - 1];
if (add_flags & WIMLIB_ADD_FLAG_NTFS) {
extra_arg = NULL;
}
- ret = init_inode_table(¶ms.inode_table, 9001);
+ ret = get_capture_config(config_file, &config,
+ add_flags, fs_source_path);
if (ret)
goto out;
+ ret = init_inode_table(¶ms.inode_table, 9001);
+ if (ret)
+ goto out_destroy_config;
+
ret = init_sd_set(¶ms.sd_set, imd->security_data);
if (ret)
goto out_destroy_inode_table;
INIT_LIST_HEAD(&unhashed_streams);
- wim->lookup_table->unhashed_streams = &unhashed_streams;
params.lookup_table = wim->lookup_table;
- params.config = config;
+ params.unhashed_streams = &unhashed_streams;
+ params.config = &config;
params.add_flags = add_flags;
- params.progress_func = progress_func;
params.extra_arg = extra_arg;
- if (progress_func) {
- memset(&progress, 0, sizeof(progress));
- progress.scan.source = fs_source_path;
- progress.scan.wim_target_path = wim_target_path;
- progress_func(WIMLIB_PROGRESS_MSG_SCAN_BEGIN, &progress);
- }
- if (config) {
- config->_prefix = fs_source_path;
- config->_prefix_num_tchars = tstrlen(fs_source_path);
- }
+ params.progress_func = progress_func;
+ params.progress.scan.source = fs_source_path;
+ params.progress.scan.wim_target_path = wim_target_path;
+ if (progress_func)
+ progress_func(WIMLIB_PROGRESS_MSG_SCAN_BEGIN, ¶ms.progress);
+
+ config.prefix = fs_source_path;
+ config.prefix_num_tchars = tstrlen(fs_source_path);
if (wim_target_path[0] == T('\0'))
params.add_flags |= WIMLIB_ADD_FLAG_ROOT;
ret = (*capture_tree)(&branch, fs_source_path, ¶ms);
- if (ret) {
- ERROR("Failed to build dentry tree for \"%"TS"\"",
- fs_source_path);
+ if (ret)
goto out_destroy_sd_set;
- }
+
if (branch) {
/* Use the target name, not the source name, for
* the root of each branch from a capture
* source. (This will also set the root dentry
* of the entire image to be unnamed.) */
- ret = set_dentry_name(branch,
+ ret = dentry_set_name(branch,
path_basename(wim_target_path));
if (ret)
goto out_ntfs_umount;
- ret = attach_branch(&imd->root_dentry, branch, wim_target_path);
+ ret = attach_branch(&imd->root_dentry, branch, wim_target_path,
+ WIMLIB_CASE_PLATFORM_DEFAULT);
if (ret)
goto out_ntfs_umount;
}
+
+ if (config_file && (add_flags & WIMLIB_ADD_FLAG_WIMBOOT) &&
+ wim_target_path[0] == T('\0'))
+ {
+ /* Save configuration file as \Windows\System32\WimBootCompress.ini */
+ ret = replace_wimboot_cfg(wim, config_file);
+ if (ret) {
+ /* Undo attach_branch() */
+ if (imd->root_dentry == branch)
+ imd->root_dentry = NULL;
+ else
+ branch = NULL;
+ goto out_ntfs_umount;
+ }
+ }
+
if (progress_func)
- progress_func(WIMLIB_PROGRESS_MSG_SCAN_END, &progress);
+ progress_func(WIMLIB_PROGRESS_MSG_SCAN_END, ¶ms.progress);
list_splice_tail(&unhashed_streams, &imd->unhashed_streams);
#ifdef WITH_NTFS_3G
imd->ntfs_vol = ntfs_vol;
destroy_sd_set(¶ms.sd_set, rollback_sd);
out_destroy_inode_table:
destroy_inode_table(¶ms.inode_table);
+out_destroy_config:
+ destroy_capture_config(&config);
out:
return ret;
}
bool is_root;
wimlib_assert(delete_cmd->op == WIMLIB_UPDATE_OP_DELETE);
- flags = delete_cmd->delete.delete_flags;
- wim_path = delete_cmd->delete.wim_path;
+ flags = delete_cmd->delete_.delete_flags;
+ wim_path = delete_cmd->delete_.wim_path;
DEBUG("Deleting WIM path \"%"TS"\" (flags=%#x)", wim_path, flags);
- tree = get_dentry(wim, wim_path);
+ tree = get_dentry(wim, wim_path, WIMLIB_CASE_PLATFORM_DEFAULT);
if (!tree) {
/* Path to delete does not exist in the WIM. */
if (flags & WIMLIB_DELETE_FLAG_FORCE) {
return 0;
}
-static int
-free_dentry_full_path(struct wim_dentry *dentry, void *_ignore)
-{
- FREE(dentry->_full_path);
- dentry->_full_path = NULL;
- return 0;
-}
-
-/*
- * Rename a file or directory in the WIM.
- *
- * This is also called from wimfs_rename() in the FUSE mount code.
- */
-int
-rename_wim_path(WIMStruct *wim, const tchar *from, const tchar *to)
-{
- struct wim_dentry *src;
- struct wim_dentry *dst;
- struct wim_dentry *parent_of_dst;
- int ret;
-
- /* This rename() implementation currently only supports actual files
- * (not alternate data streams) */
-
- src = get_dentry(wim, from);
- if (!src)
- return -errno;
-
- dst = get_dentry(wim, to);
-
- if (dst) {
- /* Destination file exists */
-
- if (src == dst) /* Same file */
- return 0;
-
- if (!dentry_is_directory(src)) {
- /* Cannot rename non-directory to directory. */
- if (dentry_is_directory(dst))
- return -EISDIR;
- } else {
- /* Cannot rename directory to a non-directory or a non-empty
- * directory */
- if (!dentry_is_directory(dst))
- return -ENOTDIR;
- if (inode_has_children(dst->d_inode))
- return -ENOTEMPTY;
- }
- parent_of_dst = dst->parent;
- } else {
- /* Destination does not exist */
- parent_of_dst = get_parent_dentry(wim, to);
- if (!parent_of_dst)
- return -errno;
-
- if (!dentry_is_directory(parent_of_dst))
- return -ENOTDIR;
- }
-
- ret = set_dentry_name(src, path_basename(to));
- if (ret)
- return -ENOMEM;
- if (dst) {
- unlink_dentry(dst);
- free_dentry_tree(dst, wim->lookup_table);
- }
- unlink_dentry(src);
- dentry_add_child(parent_of_dst, src);
- if (src->_full_path)
- for_dentry_in_tree(src, free_dentry_full_path, NULL);
- return 0;
-}
-
-
static int
execute_rename_command(WIMStruct *wim,
const struct wimlib_update_command *rename_cmd)
wimlib_assert(rename_cmd->op == WIMLIB_UPDATE_OP_RENAME);
ret = rename_wim_path(wim, rename_cmd->rename.wim_source_path,
- rename_cmd->rename.wim_target_path);
+ rename_cmd->rename.wim_target_path,
+ WIMLIB_CASE_PLATFORM_DEFAULT);
if (ret) {
ret = -ret;
errno = ret;
execute_update_commands(WIMStruct *wim,
const struct wimlib_update_command *cmds,
size_t num_cmds,
+ int update_flags,
wimlib_progress_func_t progress_func)
{
int ret = 0;
+ union wimlib_progress_info info;
+ info.update.completed_commands = 0;
+ info.update.total_commands = num_cmds;
for (size_t i = 0; i < num_cmds; i++) {
DEBUG("Executing update command %zu of %zu (op=%"TS")",
i + 1, num_cmds, update_op_to_str(cmds[i].op));
+ if (update_flags & WIMLIB_UPDATE_FLAG_SEND_PROGRESS &&
+ progress_func)
+ {
+ info.update.command = &cmds[i];
+ (*progress_func)(WIMLIB_PROGRESS_MSG_UPDATE_BEGIN_COMMAND,
+ &info);
+ }
switch (cmds[i].op) {
case WIMLIB_UPDATE_OP_ADD:
ret = execute_add_command(wim, &cmds[i], progress_func);
}
if (ret)
break;
+ info.update.completed_commands++;
+ if (update_flags & WIMLIB_UPDATE_FLAG_SEND_PROGRESS &&
+ progress_func)
+ {
+ (*progress_func)(WIMLIB_PROGRESS_MSG_UPDATE_END_COMMAND,
+ &info);
+ }
}
return ret;
}
+
static int
check_add_command(struct wimlib_update_command *cmd,
const struct wim_header *hdr)
{
int add_flags = cmd->add.add_flags;
+ if (add_flags & ~(WIMLIB_ADD_FLAG_NTFS |
+ WIMLIB_ADD_FLAG_DEREFERENCE |
+ WIMLIB_ADD_FLAG_VERBOSE |
+ /* BOOT doesn't make sense for wimlib_update_image(). */
+ /*WIMLIB_ADD_FLAG_BOOT |*/
+ WIMLIB_ADD_FLAG_WIMBOOT |
+ WIMLIB_ADD_FLAG_UNIX_DATA |
+ WIMLIB_ADD_FLAG_NO_ACLS |
+ WIMLIB_ADD_FLAG_STRICT_ACLS |
+ WIMLIB_ADD_FLAG_EXCLUDE_VERBOSE |
+ WIMLIB_ADD_FLAG_RPFIX |
+ WIMLIB_ADD_FLAG_NORPFIX |
+ WIMLIB_ADD_FLAG_NO_UNSUPPORTED_EXCLUDE |
+ WIMLIB_ADD_FLAG_WINCONFIG))
+ return WIMLIB_ERR_INVALID_PARAM;
+
/* Are we adding the entire image or not? An empty wim_target_path
* indicates that the tree we're adding is to be placed in the root of
* the image. We consider this to be capturing the entire image,
return 0;
}
+static int
+check_delete_command(const struct wimlib_update_command *cmd)
+{
+ if (cmd->delete_.delete_flags & ~(WIMLIB_DELETE_FLAG_FORCE |
+ WIMLIB_DELETE_FLAG_RECURSIVE))
+ return WIMLIB_ERR_INVALID_PARAM;
+ return 0;
+}
+
+static int
+check_rename_command(const struct wimlib_update_command *cmd)
+{
+ if (cmd->rename.rename_flags != 0)
+ return WIMLIB_ERR_INVALID_PARAM;
+ return 0;
+}
+
static int
check_update_command(struct wimlib_update_command *cmd,
const struct wim_header *hdr)
case WIMLIB_UPDATE_OP_ADD:
return check_add_command(cmd, hdr);
case WIMLIB_UPDATE_OP_DELETE:
+ return check_delete_command(cmd);
case WIMLIB_UPDATE_OP_RENAME:
- break;
+ return check_rename_command(cmd);
}
return 0;
}
case WIMLIB_UPDATE_OP_ADD:
FREE(cmds[i].add.fs_source_path);
FREE(cmds[i].add.wim_target_path);
- free_capture_config(cmds[i].add.config);
+ FREE(cmds[i].add.config_file);
break;
case WIMLIB_UPDATE_OP_DELETE:
- FREE(cmds[i].delete.wim_path);
+ FREE(cmds[i].delete_.wim_path);
break;
case WIMLIB_UPDATE_OP_RENAME:
FREE(cmds[i].rename.wim_source_path);
if (!cmds_copy[i].add.fs_source_path ||
!cmds_copy[i].add.wim_target_path)
goto oom;
- if (cmds[i].add.config) {
- ret = copy_and_canonicalize_capture_config(cmds[i].add.config,
- &cmds_copy[i].add.config);
- if (ret)
- goto err;
+ if (cmds[i].add.config_file) {
+ cmds_copy[i].add.config_file = TSTRDUP(cmds[i].add.config_file);
+ if (!cmds_copy[i].add.config_file)
+ goto oom;
}
cmds_copy[i].add.add_flags = cmds[i].add.add_flags;
break;
case WIMLIB_UPDATE_OP_DELETE:
- cmds_copy[i].delete.wim_path =
- canonicalize_wim_path(cmds[i].delete.wim_path);
- if (!cmds_copy[i].delete.wim_path)
+ cmds_copy[i].delete_.wim_path =
+ canonicalize_wim_path(cmds[i].delete_.wim_path);
+ if (!cmds_copy[i].delete_.wim_path)
goto oom;
- cmds_copy[i].delete.delete_flags = cmds[i].delete.delete_flags;
+ cmds_copy[i].delete_.delete_flags = cmds[i].delete_.delete_flags;
break;
case WIMLIB_UPDATE_OP_RENAME:
cmds_copy[i].rename.wim_source_path =
goto out;
}
-/*
- * Entry point for making a series of updates to a WIM image.
- */
+/* API function documented in wimlib.h */
WIMLIBAPI int
wimlib_update_image(WIMStruct *wim,
int image,
{
int ret;
struct wimlib_update_command *cmds_copy;
+ bool deletion_requested = false;
+
+ if (update_flags & ~WIMLIB_UPDATE_FLAG_SEND_PROGRESS)
+ return WIMLIB_ERR_INVALID_PARAM;
DEBUG("Updating image %d with %zu commands", image, num_cmds);
- /* Refuse to update a split WIM. */
- if (wim->hdr.total_parts != 1) {
- ERROR("Cannot update a split WIM!");
- ret = WIMLIB_ERR_SPLIT_UNSUPPORTED;
+ for (size_t i = 0; i < num_cmds; i++)
+ if (cmds[i].op == WIMLIB_UPDATE_OP_DELETE)
+ deletion_requested = true;
+
+ if (deletion_requested)
+ ret = can_delete_from_wim(wim);
+ else
+ ret = can_modify_wim(wim);
+
+ if (ret)
goto out;
- }
/* Load the metadata for the image to modify (if not loaded already) */
ret = select_wim_image(wim, image);
/* Actually execute the update commands. */
DEBUG("Executing %zu update commands", num_cmds);
- ret = execute_update_commands(wim, cmds_copy, num_cmds, progress_func);
+ ret = execute_update_commands(wim, cmds_copy, num_cmds, update_flags,
+ progress_func);
if (ret)
goto out_free_cmds_copy;
git://wimlib.net / wimlib / blobdiff