* 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 Lesser General Public License as published by the Free
- * Software Foundation; either version 2.1 of the License, or (at your option)
+ * 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 Lesser General Public License for more
+ * A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
- * You should have received a copy of the GNU Lesser General Public License
+ * You should have received a copy of the GNU General Public License
* along with wimlib; if not, see http://www.gnu.org/licenses/.
*/
#include <string.h>
#include <errno.h>
#include <fnmatch.h>
+#include <ctype.h>
#include <unistd.h>
/** Private flag: Used to mark that we currently adding the root directory of
- * the WIM. */
+ * the WIM image. */
#define WIMLIB_ADD_IMAGE_FLAG_ROOT 0x80000000
void destroy_image_metadata(struct image_metadata *imd,struct lookup_table *lt)
int ret = 0;
int (*stat_fn)(const char *restrict, struct stat *restrict);
struct dentry *root;
+ const char *filename;
- DEBUG("%s", root_disk_path);
-
- if (exclude_path(root_disk_path, config)) {
+ if (exclude_path(root_disk_path, config, true)) {
if (add_flags & WIMLIB_ADD_IMAGE_FLAG_VERBOSE)
printf("Excluding file `%s' from capture\n",
root_disk_path);
+ *root_ret = NULL;
return 0;
}
}
if (!S_ISREG(root_stbuf.st_mode) && !S_ISDIR(root_stbuf.st_mode)
&& !S_ISLNK(root_stbuf.st_mode)) {
- ERROR("`%s' is not a regular file, directory, or symbolic link.");
+ ERROR("`%s' is not a regular file, directory, or symbolic link.",
+ root_disk_path);
return WIMLIB_ERR_SPECIAL_FILE;
}
- root = new_dentry(path_basename(root_disk_path));
+ if (add_flags & WIMLIB_ADD_IMAGE_FLAG_ROOT)
+ filename = "";
+ else
+ filename = path_basename(root_disk_path);
+
+ root = new_dentry(filename);
if (!root)
return WIMLIB_ERR_NOMEM;
ret = build_dentry_tree(&child, name, lookup_table,
sd, config,
add_flags, extra_arg);
- link_dentry(child, root);
if (ret != 0)
break;
+ if (child)
+ link_dentry(child, root);
}
closedir(dir);
} else if (dentry_is_symlink(root)) {
/* Archiving a symbolic link */
- size_t symlink_buf_len;
char deref_name_buf[4096];
ssize_t deref_name_len;
struct lookup_table_entry *lte;
u8 hash[SHA1_HASH_SIZE];
+ /* Empty files do not have to have a lookup table entry. */
+ if (root_stbuf.st_size == 0)
+ goto out;
+
/* For each regular file, we must check to see if the file is in
* the lookup table already; if it is, we increment its refcnt;
* otherwise, we create a new lookup table entry and insert it.
}
root->lte = lte;
}
+out:
*root_ret = root;
return ret;
}
*
* @w: The WIMStruct for the WIM file.
* @root_dentry: The root of the directory tree for the image.
+ * @sd: The security data for the image.
*/
static int add_new_dentry_tree(WIMStruct *w, struct dentry *root_dentry,
struct wim_security_data *sd)
lgt = new_link_group_table(9001);
if (!lgt)
- goto out_free_security_data;
+ goto out_free_metadata_lte;
metadata_lte->resource_entry.flags = WIM_RESHDR_FLAG_METADATA;
random_hash(metadata_lte->hash);
/* Change the current image to the new one. */
return wimlib_select_image(w, w->hdr.image_count);
-out_free_security_data:
- FREE(sd);
out_free_metadata_lte:
FREE(metadata_lte);
out_free_imd:
ALIGNMENT_LIST,
};
+/* Default capture configuration file when none is specified. */
static const char *default_config =
"[ExclusionList]\n"
"\\$ntfs.log\n"
"\\hiberfil.sys\n"
"\\pagefile.sys\n"
-"\"\\System Volume Information\"\n"
+"\\System Volume Information\n"
"\\RECYCLER\n"
"\\Windows\\CSC\n"
"\n"
destroy_pattern_list(&config->compression_exclusion_list);
destroy_pattern_list(&config->alignment_list);
FREE(config->config_str);
+ FREE(config->prefix);
memset(config, 0, sizeof(*config));
}
return 0;
}
+/* Parses the contents of the image capture configuration file and fills in a
+ * `struct capture_config'. */
static int init_capture_config(const char *_config_str, size_t config_len,
- struct capture_config *config)
+ const char *_prefix, struct capture_config *config)
{
char *config_str;
+ char *prefix;
char *p;
char *eol;
char *next_p;
- size_t next_bytes_remaining;
size_t bytes_remaining;
enum pattern_type type = NONE;
int ret;
ERROR("Could not duplicate capture config string");
return WIMLIB_ERR_NOMEM;
}
+ prefix = STRDUP(_prefix);
+ if (!prefix) {
+ FREE(config_str);
+ return WIMLIB_ERR_NOMEM;
+ }
+
memcpy(config_str, _config_str, config_len);
next_p = config_str;
config->config_str = config_str;
+ config->prefix = prefix;
+ config->prefix_len = strlen(prefix);
while (bytes_remaining) {
line_no++;
p = next_p;
if (*pp == '\\')
*pp = '/';
+ /* Remove drive letter */
+ if (eol - p > 2 && isalpha(*p) && *(p + 1) == ':')
+ p += 2;
+
+ ret = 0;
if (strcmp(p, "[ExclusionList]") == 0)
type = EXCLUSION_LIST;
else if (strcmp(p, "[ExclusionException]") == 0)
type = COMPRESSION_EXCLUSION_LIST;
else if (strcmp(p, "[AlignmentList]") == 0)
type = ALIGNMENT_LIST;
- else switch (type) {
+ else if (p[0] == '[' && strrchr(p, ']')) {
+ ERROR("Unknown capture configuration section `%s'", p);
+ ret = WIMLIB_ERR_INVALID_CAPTURE_CONFIG;
+ goto out_destroy;
+ } else switch (type) {
case EXCLUSION_LIST:
DEBUG("Adding pattern \"%s\" to exclusion list", p);
ret = pattern_list_add_pattern(&config->exclusion_list, p);
const char *pat = list->pats[i];
const char *string;
if (pat[0] == '/')
+ /* Absolute path from root of capture */
string = path;
- else
- string = path_basename;
- if (fnmatch(pat, string, FNM_PATHNAME) == 0) {
+ else {
+ if (strchr(pat, '/'))
+ /* Relative path from root of capture */
+ string = path + 1;
+ else
+ /* A file name pattern */
+ string = path_basename;
+ }
+ if (fnmatch(pat, string, FNM_PATHNAME
+ #ifdef FNM_CASEFOLD
+ | FNM_CASEFOLD
+ #endif
+ ) == 0)
+ {
DEBUG("`%s' matches the pattern \"%s\"",
string, pat);
return true;
}
}
-bool exclude_path(const char *path, const struct capture_config *config)
+/* Return true if the image capture configuration file indicates we should
+ * exclude the filename @path from capture.
+ *
+ * If @exclude_prefix is %true, the part of the path up and including the name
+ * of the directory being captured is not included in the path for matching
+ * purposes. This allows, for example, a pattern like /hiberfil.sys to match a
+ * file /mnt/windows7/hiberfil.sys if we are capturing the /mnt/windows7
+ * directory.
+ */
+bool exclude_path(const char *path, const struct capture_config *config,
+ bool exclude_prefix)
{
const char *basename = path_basename(path);
+ if (exclude_prefix) {
+ wimlib_assert(strlen(path) >= config->prefix_len);
+ if (memcmp(config->prefix, path, config->prefix_len) == 0
+ && path[config->prefix_len] == '/')
+ path += config->prefix_len;
+ }
return match_pattern(path, basename, &config->exclusion_list) &&
!match_pattern(path, basename, &config->exclusion_exception);
+/*
+ * Adds an image to the WIM, delegating the capture of the dentry tree and
+ * security data to the function @capture_tree passed as a parameter.
+ * Currently, @capture_tree may be build_dentry_tree() for capturing a "regular"
+ * directory tree on disk, or build_dentry_tree_ntfs() for capturing a WIM image
+ * directory from a NTFS volume using libntfs-3g.
+ *
+ * The @capture_tree function is also expected to create lookup table entries
+ * for all the file streams it captures and insert them into @lookup_table,
+ * being careful to look for identical entries that already exist and simply
+ * increment the reference count for them rather than duplicating the entry.
+ */
int do_add_image(WIMStruct *w, const char *dir, const char *name,
- const char *description, const char *flags_element,
const char *config_str, size_t config_len,
int flags,
int (*capture_tree)(struct dentry **, const char *,
void *extra_arg)
{
struct dentry *root_dentry = NULL;
- struct image_metadata *imd;
struct wim_security_data *sd;
struct capture_config config;
+ struct link_group_table *lgt;
int ret;
- DEBUG("Adding dentry tree from dir `%s'.", dir);
+ DEBUG("Adding dentry tree from directory or NTFS volume `%s'.", dir);
if (!name || !*name) {
ERROR("Must specify a non-empty string for the image name");
return WIMLIB_ERR_INVALID_PARAM;
}
if (!dir) {
- ERROR("Must specify the name of a directory");
+ ERROR("Must specify the name of a directory or NTFS volume");
return WIMLIB_ERR_INVALID_PARAM;
}
config_str = default_config;
config_len = strlen(default_config);
}
- ret = init_capture_config(config_str, config_len, &config);
+ ret = init_capture_config(config_str, config_len, dir, &config);
if (ret != 0)
return ret;
print_capture_config(&config);
if (ret != 0)
goto out_free_dentry_tree;
+ lgt = w->image_metadata[w->hdr.image_count - 1].lgt;
DEBUG("Inserting dentries into hard link group table");
- ret = for_dentry_in_tree(root_dentry, link_group_table_insert,
- w->image_metadata[w->hdr.image_count - 1].lgt);
+ ret = for_dentry_in_tree(root_dentry, link_group_table_insert, lgt);
+
if (ret != 0)
goto out_destroy_imd;
- DEBUG("Assigning hard link groups");
- assign_link_groups(w->image_metadata[w->hdr.image_count - 1].lgt);
+
+ DEBUG("Cleanup up the hard link groups");
+ ret = fix_link_groups(lgt);
+ if (ret != 0)
+ goto out_destroy_imd;
+
+ DEBUG("Assigning hard link group IDs");
+ assign_link_group_ids(w->image_metadata[w->hdr.image_count - 1].lgt);
if (flags & WIMLIB_ADD_IMAGE_FLAG_BOOT)
wimlib_set_boot_idx(w, w->hdr.image_count);
- ret = xml_add_image(w, root_dentry, name, description, flags_element);
+ ret = xml_add_image(w, root_dentry, name);
if (ret != 0)
goto out_destroy_imd;
return ret;
out_free_dentry_tree:
free_dentry_tree(root_dentry, w->lookup_table);
-out_free_sd:
free_security_data(sd);
out_destroy_config:
destroy_capture_config(&config);
* Adds an image to a WIM file from a directory tree on disk.
*/
WIMLIBAPI int wimlib_add_image(WIMStruct *w, const char *dir,
- const char *name, const char *description,
- const char *flags_element,
- const char *config_str,
+ const char *name, const char *config_str,
size_t config_len, int flags)
{
- return do_add_image(w, dir, name, description, flags_element,
- config_str, config_len, flags,
+ return do_add_image(w, dir, name, config_str, config_len, flags,
build_dentry_tree, NULL);
}
git://wimlib.net / wimlib / blobdiff