*/
/*
- * Copyright (C) 2012 Eric Biggers
+ * Copyright (C) 2012, 2013 Eric Biggers
*
* This file is part of wimlib, a library for working with WIM files.
*
* along with wimlib; if not, see http://www.gnu.org/licenses/.
*/
+#include "config.h"
+
+#ifdef __WIN32__
+# include "win32.h"
+#else
+# include <dirent.h>
+# include <sys/stat.h>
+# include <fnmatch.h>
+# include "timestamp.h"
+#endif
+
#include "wimlib_internal.h"
#include "dentry.h"
-#include "timestamp.h"
#include "lookup_table.h"
#include "xml.h"
-#include <string.h>
-#include <fnmatch.h>
+#include "security.h"
+
#include <ctype.h>
-#include <sys/stat.h>
-#include <dirent.h>
#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+
#include <unistd.h>
-/** Private flag: Used to mark that we currently adding the root directory of
- * the WIM image. */
-#define WIMLIB_ADD_IMAGE_FLAG_ROOT 0x80000000
+#ifdef HAVE_ALLOCA_H
+# include <alloca.h>
+#endif
/*
* Adds the dentry tree and security data for a new image to the image metadata
* array of the WIMStruct.
*/
-int add_new_dentry_tree(WIMStruct *w, struct wim_dentry *root_dentry,
- struct wim_security_data *sd)
+int
+add_new_dentry_tree(WIMStruct *w, struct wim_dentry *root_dentry,
+ struct wim_security_data *sd)
{
struct wim_lookup_table_entry *metadata_lte;
struct wim_image_metadata *imd;
goto err_free_imd;
metadata_lte->resource_entry.flags = WIM_RESHDR_FLAG_METADATA;
- random_hash(metadata_lte->hash);
- lookup_table_insert(w->lookup_table, metadata_lte);
new_imd = &imd[w->hdr.image_count];
}
-
+#ifndef __WIN32__
/*
- * build_dentry_tree():
+ * unix_build_dentry_tree():
* Recursively builds a tree of WIM dentries from an on-disk directory
- * tree.
+ * tree (UNIX version; no NTFS-specific data is captured).
*
* @root_ret: Place to return a pointer to the root of the dentry tree. Only
* modified if successful. Set to NULL if the file or directory was
* These lookup table entries that are added point to the path of
* the file on disk.
*
- * @sd: Ignored. (Security data only captured in NTFS mode.)
+ * @sd_set: Ignored. (Security data only captured in NTFS mode.)
*
* @capture_config:
* Configuration for files to be excluded from capture.
*
* @add_flags: Bitwise or of WIMLIB_ADD_IMAGE_FLAG_*
*
- * @extra_arg: Ignored. (Only used in NTFS mode.)
+ * @extra_arg: Ignored
*
* @return: 0 on success, nonzero on failure. It is a failure if any of
* the files cannot be `stat'ed, or if any of the needed
* the on-disk files during a call to wimlib_write() or
* wimlib_overwrite().
*/
-static int build_dentry_tree(struct wim_dentry **root_ret,
- const char *root_disk_path,
- 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)
+static int
+unix_build_dentry_tree(struct wim_dentry **root_ret,
+ const char *root_disk_path,
+ struct wim_lookup_table *lookup_table,
+ struct sd_set *sd_set,
+ const struct capture_config *config,
+ int add_image_flags,
+ wimlib_progress_func_t progress_func,
+ void *extra_arg)
{
- struct stat root_stbuf;
+ struct wim_dentry *root = NULL;
int ret = 0;
- int (*stat_fn)(const char *restrict, struct stat *restrict);
- struct wim_dentry *root;
- const char *filename;
struct wim_inode *inode;
if (exclude_path(root_disk_path, config, true)) {
if (add_image_flags & WIMLIB_ADD_IMAGE_FLAG_ROOT) {
ERROR("Cannot exclude the root directory from capture");
- return WIMLIB_ERR_INVALID_CAPTURE_CONFIG;
+ ret = WIMLIB_ERR_INVALID_CAPTURE_CONFIG;
+ goto out;
}
if ((add_image_flags & WIMLIB_ADD_IMAGE_FLAG_VERBOSE)
&& progress_func)
info.scan.excluded = true;
progress_func(WIMLIB_PROGRESS_MSG_SCAN_DENTRY, &info);
}
- *root_ret = NULL;
- return 0;
+ goto out;
}
if ((add_image_flags & WIMLIB_ADD_IMAGE_FLAG_VERBOSE)
progress_func(WIMLIB_PROGRESS_MSG_SCAN_DENTRY, &info);
}
+ /* UNIX version of capturing a directory tree */
+ struct stat root_stbuf;
+ int (*stat_fn)(const char *restrict, struct stat *restrict);
if (add_image_flags & WIMLIB_ADD_IMAGE_FLAG_DEREFERENCE)
stat_fn = stat;
else
ret = (*stat_fn)(root_disk_path, &root_stbuf);
if (ret != 0) {
ERROR_WITH_ERRNO("Failed to stat `%s'", root_disk_path);
- return WIMLIB_ERR_STAT;
+ goto out;
}
if ((add_image_flags & WIMLIB_ADD_IMAGE_FLAG_ROOT) &&
ret = stat(root_disk_path, &root_stbuf);
if (ret != 0) {
ERROR_WITH_ERRNO("Failed to stat `%s'", root_disk_path);
- return WIMLIB_ERR_STAT;
+ ret = WIMLIB_ERR_STAT;
+ goto out;
}
if (!S_ISDIR(root_stbuf.st_mode)) {
ERROR("`%s' is not a directory", root_disk_path);
- return WIMLIB_ERR_NOTDIR;
+ ret = WIMLIB_ERR_NOTDIR;
+ goto out;
}
}
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.",
root_disk_path);
- return WIMLIB_ERR_SPECIAL_FILE;
+ ret = WIMLIB_ERR_SPECIAL_FILE;
+ goto out;
}
- if (add_image_flags & WIMLIB_ADD_IMAGE_FLAG_ROOT)
- filename = "";
- else
- filename = path_basename(root_disk_path);
-
- root = new_dentry_with_timeless_inode(filename);
- 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;
- }
+ ret = new_dentry_with_timeless_inode(path_basename(root_disk_path),
+ &root);
+ if (ret)
+ goto out;
inode = root->d_inode;
#ifdef HAVE_STAT_NANOSECOND_PRECISION
- inode->i_creation_time = timespec_to_wim_timestamp(&root_stbuf.st_mtim);
- inode->i_last_write_time = timespec_to_wim_timestamp(&root_stbuf.st_mtim);
- inode->i_last_access_time = timespec_to_wim_timestamp(&root_stbuf.st_atim);
+ inode->i_creation_time = timespec_to_wim_timestamp(root_stbuf.st_mtim);
+ inode->i_last_write_time = timespec_to_wim_timestamp(root_stbuf.st_mtim);
+ inode->i_last_access_time = timespec_to_wim_timestamp(root_stbuf.st_atim);
#else
inode->i_creation_time = unix_timestamp_to_wim(root_stbuf.st_mtime);
inode->i_last_write_time = unix_timestamp_to_wim(root_stbuf.st_mtime);
inode->i_last_access_time = unix_timestamp_to_wim(root_stbuf.st_atime);
#endif
- if (sizeof(ino_t) >= 8)
- inode->i_ino = (u64)root_stbuf.st_ino;
- else
- inode->i_ino = (u64)root_stbuf.st_ino |
- ((u64)root_stbuf.st_dev << ((sizeof(ino_t) * 8) & 63));
+ /* Leave the inode number at 0 for directories. */
+ if (!S_ISDIR(root_stbuf.st_mode)) {
+ if (sizeof(ino_t) >= 8)
+ inode->i_ino = (u64)root_stbuf.st_ino;
+ else
+ inode->i_ino = (u64)root_stbuf.st_ino |
+ ((u64)root_stbuf.st_dev <<
+ ((sizeof(ino_t) * 8) & 63));
+ }
inode->i_resolved = 1;
if (add_image_flags & WIMLIB_ADD_IMAGE_FLAG_UNIX_DATA) {
ret = inode_set_unix_data(inode, root_stbuf.st_uid,
if (ret)
goto out;
}
- add_image_flags &= ~WIMLIB_ADD_IMAGE_FLAG_ROOT;
+ add_image_flags &= ~(WIMLIB_ADD_IMAGE_FLAG_ROOT | WIMLIB_ADD_IMAGE_FLAG_SOURCE);
if (S_ISREG(root_stbuf.st_mode)) { /* Archiving a regular file */
struct wim_lookup_table_entry *lte;
|| (result->d_name[1] == '.' && result->d_name[2] == '\0')))
continue;
strcpy(name + len + 1, result->d_name);
- ret = build_dentry_tree(&child, name, lookup_table,
- NULL, config, add_image_flags,
- progress_func, NULL);
+ ret = unix_build_dentry_tree(&child, name,
+ lookup_table,
+ NULL, config,
+ add_image_flags,
+ progress_func, NULL);
if (ret != 0)
break;
if (child)
free_dentry_tree(root, lookup_table);
return ret;
}
-
+#endif /* !__WIN32__ */
enum pattern_type {
NONE = 0,
#define COMPAT_DEFAULT_CONFIG
/* Default capture configuration file when none is specified. */
-static const char *default_config =
+static const tchar *default_config =
#ifdef COMPAT_DEFAULT_CONFIG /* XXX: This policy is being moved to library
users. The next ABI-incompatible library
version will default to the empty string here. */
+T(
"[ExclusionList]\n"
"\\$ntfs.log\n"
"\\hiberfil.sys\n"
"\\System Volume Information\n"
"\\RECYCLER\n"
"\\Windows\\CSC\n"
-"\n"
-"[CompressionExclusionList]\n"
-"*.mp3\n"
-"*.zip\n"
-"*.cab\n"
-"\\WINDOWS\\inf\\*.pnf\n";
+);
#else
-"";
+T("");
#endif
-static void destroy_pattern_list(struct pattern_list *list)
+static void
+destroy_pattern_list(struct pattern_list *list)
{
FREE(list->pats);
}
-static void destroy_capture_config(struct capture_config *config)
+static void
+destroy_capture_config(struct capture_config *config)
{
destroy_pattern_list(&config->exclusion_list);
destroy_pattern_list(&config->exclusion_exception);
memset(config, 0, sizeof(*config));
}
-static int pattern_list_add_pattern(struct pattern_list *list,
- const char *pattern)
+static int
+pattern_list_add_pattern(struct pattern_list *list, const tchar *pattern)
{
- const char **pats;
+ const tchar **pats;
if (list->num_pats >= list->num_allocated_pats) {
pats = REALLOC(list->pats,
sizeof(list->pats[0]) * (list->num_allocated_pats + 8));
/* 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,
- const char *_prefix, struct capture_config *config)
+static int
+init_capture_config(struct capture_config *config,
+ const tchar *_config_str,
+ size_t config_num_tchars)
{
- char *config_str;
- char *prefix;
- char *p;
- char *eol;
- char *next_p;
- size_t bytes_remaining;
+ tchar *config_str;
+ tchar *p;
+ tchar *eol;
+ tchar *next_p;
+ size_t num_tchars_remaining;
enum pattern_type type = NONE;
int ret;
unsigned long line_no = 0;
- DEBUG("config_len = %zu", config_len);
- bytes_remaining = config_len;
+ DEBUG("config_num_tchars = %zu", config_num_tchars);
+ num_tchars_remaining = config_num_tchars;
memset(config, 0, sizeof(*config));
- config_str = MALLOC(config_len);
+ config_str = TMALLOC(config_num_tchars);
if (!config_str) {
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);
+ tmemcpy(config_str, _config_str, config_num_tchars);
next_p = config_str;
config->config_str = config_str;
- config->prefix = prefix;
- config->prefix_len = strlen(prefix);
- while (bytes_remaining) {
+ while (num_tchars_remaining != 0) {
line_no++;
p = next_p;
- eol = memchr(p, '\n', bytes_remaining);
+ eol = tmemchr(p, T('\n'), num_tchars_remaining);
if (!eol) {
ERROR("Expected end-of-line in capture config file on "
"line %lu", line_no);
}
next_p = eol + 1;
- bytes_remaining -= (next_p - p);
+ num_tchars_remaining -= (next_p - p);
if (eol == p)
continue;
- if (*(eol - 1) == '\r')
+ if (*(eol - 1) == T('\r'))
eol--;
- *eol = '\0';
+ *eol = T('\0');
/* Translate backslash to forward slash */
- for (char *pp = p; pp != eol; pp++)
- if (*pp == '\\')
- *pp = '/';
+ for (tchar *pp = p; pp != eol; pp++)
+ if (*pp == T('\\'))
+ *pp = T('/');
- /* Remove drive letter */
- if (eol - p > 2 && isalpha(*p) && *(p + 1) == ':')
+ /* Remove drive letter (UNIX only) */
+ #ifndef __WIN32__
+ if (eol - p > 2 && istalpha(*p) && *(p + 1) == T(':'))
p += 2;
+ #endif
ret = 0;
- if (strcmp(p, "[ExclusionList]") == 0)
+ if (!tstrcmp(p, T("[ExclusionList]")))
type = EXCLUSION_LIST;
- else if (strcmp(p, "[ExclusionException]") == 0)
+ else if (!tstrcmp(p, T("[ExclusionException]")))
type = EXCLUSION_EXCEPTION;
- else if (strcmp(p, "[CompressionExclusionList]") == 0)
+ else if (!tstrcmp(p, T("[CompressionExclusionList]")))
type = COMPRESSION_EXCLUSION_LIST;
- else if (strcmp(p, "[AlignmentList]") == 0)
+ else if (!tstrcmp(p, T("[AlignmentList]")))
type = ALIGNMENT_LIST;
- else if (p[0] == '[' && strrchr(p, ']')) {
- ERROR("Unknown capture configuration section `%s'", p);
+ else if (p[0] == T('[') && tstrrchr(p, T(']'))) {
+ ERROR("Unknown capture configuration section \"%"TS"\"", p);
ret = WIMLIB_ERR_INVALID_CAPTURE_CONFIG;
} else switch (type) {
case EXCLUSION_LIST:
- DEBUG("Adding pattern \"%s\" to exclusion list", p);
+ DEBUG("Adding pattern \"%"TS"\" to exclusion list", p);
ret = pattern_list_add_pattern(&config->exclusion_list, p);
break;
case EXCLUSION_EXCEPTION:
- DEBUG("Adding pattern \"%s\" to exclusion exception list", p);
+ DEBUG("Adding pattern \"%"TS"\" to exclusion exception list", p);
ret = pattern_list_add_pattern(&config->exclusion_exception, p);
break;
case COMPRESSION_EXCLUSION_LIST:
- DEBUG("Adding pattern \"%s\" to compression exclusion list", p);
+ DEBUG("Adding pattern \"%"TS"\" to compression exclusion list", p);
ret = pattern_list_add_pattern(&config->compression_exclusion_list, p);
break;
case ALIGNMENT_LIST:
- DEBUG("Adding pattern \"%s\" to alignment list", p);
+ DEBUG("Adding pattern \"%"TS"\" to alignment list", p);
ret = pattern_list_add_pattern(&config->alignment_list, p);
break;
default:
return ret;
}
-static bool match_pattern(const char *path, const char *path_basename,
+static int capture_config_set_prefix(struct capture_config *config,
+ const tchar *_prefix)
+{
+ tchar *prefix = TSTRDUP(_prefix);
+
+ if (!prefix)
+ return WIMLIB_ERR_NOMEM;
+ FREE(config->prefix);
+ config->prefix = prefix;
+ config->prefix_num_tchars = tstrlen(prefix);
+ return 0;
+}
+
+static bool match_pattern(const tchar *path,
+ const tchar *path_basename,
const struct pattern_list *list)
{
for (size_t i = 0; i < list->num_pats; i++) {
- const char *pat = list->pats[i];
- const char *string;
+ const tchar *pat = list->pats[i];
+ const tchar *string;
if (pat[0] == '/')
/* Absolute path from root of capture */
string = path;
else {
- if (strchr(pat, '/'))
+ if (tstrchr(pat, T('/')))
/* Relative path from root of capture */
string = path + 1;
else
/* A file name pattern */
string = path_basename;
}
+
+ /* Warning: on Windows native builds, fnmatch() calls the
+ * replacement function in win32.c. */
if (fnmatch(pat, string, FNM_PATHNAME
- #ifdef FNM_CASEFOLD
- | FNM_CASEFOLD
- #endif
- ) == 0)
+ #ifdef FNM_CASEFOLD
+ | FNM_CASEFOLD
+ #endif
+ ) == 0)
{
- DEBUG("`%s' matches the pattern \"%s\"",
+ DEBUG("\"%"TS"\" matches the pattern \"%"TS"\"",
string, pat);
return true;
}
* 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)
+bool
+exclude_path(const tchar *path, const struct capture_config *config,
+ bool exclude_prefix)
{
- const char *basename = path_basename(path);
+ const tchar *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;
+ wimlib_assert(tstrlen(path) >= config->prefix_num_tchars);
+ if (!tmemcmp(config->prefix, path, config->prefix_num_tchars) &&
+ path[config->prefix_num_tchars] == T('/'))
+ {
+ path += config->prefix_num_tchars;
+ }
}
return match_pattern(path, basename, &config->exclusion_list) &&
!match_pattern(path, basename, &config->exclusion_exception);
}
-WIMLIBAPI int wimlib_add_image(WIMStruct *w, const char *source,
- const char *name, const char *config_str,
- size_t config_len, int add_image_flags,
- wimlib_progress_func_t progress_func)
+/* Strip leading and trailing forward slashes from a string. Modifies it in
+ * place and returns the stripped string. */
+static const tchar *
+canonicalize_target_path(tchar *target_path)
+{
+ tchar *p;
+ if (target_path == NULL)
+ return T("");
+ for (;;) {
+ if (*target_path == T('\0'))
+ return target_path;
+ else if (*target_path == T('/'))
+ target_path++;
+ else
+ break;
+ }
+
+ p = tstrchr(target_path, T('\0')) - 1;
+ while (*p == T('/'))
+ *p-- = T('\0');
+ return target_path;
+}
+
+/* Strip leading and trailing slashes from the target paths */
+static void
+canonicalize_targets(struct wimlib_capture_source *sources, size_t num_sources)
+{
+ while (num_sources--) {
+ DEBUG("Canonicalizing { source: \"%"TS"\", target=\"%"TS"\"}",
+ sources->fs_source_path,
+ sources->wim_target_path);
+
+ /* The Windows API can handle forward slashes. Just get rid of
+ * backslashes to avoid confusing other parts of the library
+ * code. */
+ zap_backslashes(sources->fs_source_path);
+ if (sources->wim_target_path)
+ zap_backslashes(sources->wim_target_path);
+
+ sources->wim_target_path =
+ (tchar*)canonicalize_target_path(sources->wim_target_path);
+ DEBUG("Canonical target: \"%"TS"\"", sources->wim_target_path);
+ sources++;
+ }
+}
+
+static int
+capture_source_cmp(const void *p1, const void *p2)
+{
+ const struct wimlib_capture_source *s1 = p1, *s2 = p2;
+ return tstrcmp(s1->wim_target_path, s2->wim_target_path);
+}
+
+/* Sorts the capture sources lexicographically by target path. This occurs
+ * after leading and trailing forward slashes are stripped.
+ *
+ * One purpose of this is to make sure that target paths that are inside other
+ * target paths are added after the containing target paths. */
+static void
+sort_sources(struct wimlib_capture_source *sources, size_t num_sources)
+{
+ qsort(sources, num_sources, sizeof(sources[0]), capture_source_cmp);
+}
+
+static int
+check_sorted_sources(struct wimlib_capture_source *sources, size_t num_sources,
+ int add_image_flags)
+{
+ if (add_image_flags & WIMLIB_ADD_IMAGE_FLAG_NTFS) {
+ if (num_sources != 1) {
+ ERROR("Must specify exactly 1 capture source "
+ "(the NTFS volume) in NTFS mode!");
+ return WIMLIB_ERR_INVALID_PARAM;
+ }
+ if (sources[0].wim_target_path[0] != T('\0')) {
+ ERROR("In NTFS capture mode the target path inside "
+ "the image must be the root directory!");
+ return WIMLIB_ERR_INVALID_PARAM;
+ }
+ } else if (num_sources != 0) {
+ /* This code is disabled because the current code
+ * unconditionally attempts to do overlays. So, duplicate
+ * target paths are OK. */
+ #if 0
+ if (num_sources > 1 && sources[0].wim_target_path[0] == '\0') {
+ ERROR("Cannot specify root target when using multiple "
+ "capture sources!");
+ return WIMLIB_ERR_INVALID_PARAM;
+ }
+ for (size_t i = 0; i < num_sources - 1; i++) {
+ size_t len = strlen(sources[i].wim_target_path);
+ size_t j = i + 1;
+ const char *target1 = sources[i].wim_target_path;
+ do {
+ const char *target2 = sources[j].wim_target_path;
+ DEBUG("target1=%s, target2=%s",
+ target1,target2);
+ if (strncmp(target1, target2, len) ||
+ target2[len] > '/')
+ break;
+ if (target2[len] == '/') {
+ ERROR("Invalid target `%s': is a prefix of `%s'",
+ target1, target2);
+ return WIMLIB_ERR_INVALID_PARAM;
+ }
+ if (target2[len] == '\0') {
+ ERROR("Invalid target `%s': is a duplicate of `%s'",
+ target1, target2);
+ return WIMLIB_ERR_INVALID_PARAM;
+ }
+ } while (++j != num_sources);
+ }
+ #endif
+ }
+ return 0;
+
+}
+
+/* Creates a new directory to place in the WIM image. This is to create parent
+ * directories that are not part of any target as needed. */
+static int
+new_filler_directory(const tchar *name, struct wim_dentry **dentry_ret)
+{
+ int ret;
+ struct wim_dentry *dentry;
+
+ DEBUG("Creating filler directory \"%"TS"\"", name);
+ ret = new_dentry_with_inode(name, &dentry);
+ if (ret == 0) {
+ /* Leave the inode number as 0 for now. The final inode number
+ * will be assigned later by assign_inode_numbers(). */
+ dentry->d_inode->i_resolved = 1;
+ dentry->d_inode->i_attributes = FILE_ATTRIBUTE_DIRECTORY;
+ *dentry_ret = dentry;
+ }
+ return ret;
+}
+
+/* Transfers the children of @branch to @target. It is an error if @target is
+ * not a directory or if both @branch and @target contain a child dentry with
+ * the same name. */
+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);
+
+ if (!dentry_is_directory(target)) {
+ ERROR("Cannot overlay directory \"%"WS"\" "
+ "over non-directory", branch->file_name);
+ return WIMLIB_ERR_INVALID_OVERLAY;
+ }
+
+ rb_root = &branch->d_inode->i_children;
+ while (rb_root->rb_node) { /* While @branch has children... */
+ struct wim_dentry *child = rbnode_dentry(rb_root->rb_node);
+ /* Move @child to the directory @target */
+ unlink_dentry(child);
+ if (!dentry_add_child(target, child)) {
+ /* Revert the change to avoid leaking the directory tree
+ * rooted at @child */
+ dentry_add_child(branch, child);
+ ERROR("Overlay error: file \"%"WS"\" already exists "
+ "as a child of \"%"WS"\"",
+ child->file_name, target->file_name);
+ return WIMLIB_ERR_INVALID_OVERLAY;
+ }
+ }
+ free_dentry(branch);
+ return 0;
+
+}
+
+/* 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.
+ * @branch
+ * Branch to add.
+ * @target_path:
+ * 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 *slash;
+ struct wim_dentry *dentry, *parent, *target;
+ int ret;
+
+ DEBUG("Attaching branch \"%"WS"\" => \"%"TS"\"",
+ branch->file_name, target_path);
+
+ if (*target_path == T('\0')) {
+ /* Target: root directory */
+ if (*root_p) {
+ /* Overlay on existing root */
+ return do_overlay(*root_p, branch);
+ } else {
+ /* Set as root */
+ *root_p = branch;
+ return 0;
+ }
+ }
+
+ /* Adding a non-root branch. Create root if it hasn't been created
+ * already. */
+ if (!*root_p) {
+ ret = new_filler_directory(T(""), root_p);
+ if (ret)
+ return ret;
+ }
+
+ /* Walk the path to the branch, creating filler directories as needed.
+ * */
+ parent = *root_p;
+ while ((slash = tstrchr(target_path, T('/')))) {
+ *slash = T('\0');
+ dentry = get_dentry_child_with_name(parent, target_path);
+ if (!dentry) {
+ ret = new_filler_directory(target_path, &dentry);
+ if (ret)
+ return ret;
+ dentry_add_child(parent, dentry);
+ }
+ parent = dentry;
+ target_path = slash;
+ /* Skip over slashes. Note: this cannot overrun the length of
+ * the string because the last character cannot be a slash, as
+ * trailing slashes were tripped. */
+ do {
+ ++target_path;
+ } while (*target_path == T('/'));
+ }
+
+ /* 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);
+ if (target) {
+ return do_overlay(target, branch);
+ } else {
+ dentry_add_child(parent, branch);
+ return 0;
+ }
+}
+
+WIMLIBAPI int
+wimlib_add_image_multisource(WIMStruct *w,
+ struct wimlib_capture_source *sources,
+ size_t num_sources,
+ const tchar *name,
+ const tchar *config_str,
+ size_t config_len,
+ int add_image_flags,
+ wimlib_progress_func_t progress_func)
{
- int (*capture_tree)(struct wim_dentry **, const char *,
+ int (*capture_tree)(struct wim_dentry **,
+ const tchar *,
struct wim_lookup_table *,
- struct wim_security_data *,
+ struct sd_set *,
const struct capture_config *,
- int, wimlib_progress_func_t, void *);
+ int,
+ wimlib_progress_func_t,
+ void *);
void *extra_arg;
-
- struct wim_dentry *root_dentry = NULL;
+ struct wim_dentry *root_dentry;
+ struct wim_dentry *branch;
struct wim_security_data *sd;
struct capture_config config;
struct wim_image_metadata *imd;
int ret;
+ struct sd_set sd_set;
if (add_image_flags & WIMLIB_ADD_IMAGE_FLAG_NTFS) {
#ifdef WITH_NTFS_3G
return WIMLIB_ERR_UNSUPPORTED;
#endif
} else {
- capture_tree = build_dentry_tree;
+ #ifdef __WIN32__
+ capture_tree = win32_build_dentry_tree;
+ #else
+ capture_tree = unix_build_dentry_tree;
+ #endif
extra_arg = NULL;
}
- DEBUG("Adding dentry tree from directory or NTFS volume `%s'.", source);
+#ifdef __WIN32__
+ if (add_image_flags & WIMLIB_ADD_IMAGE_FLAG_UNIX_DATA) {
+ ERROR("Capturing UNIX-specific data is not supported on Windows");
+ return WIMLIB_ERR_INVALID_PARAM;
+ }
+ if (add_image_flags & WIMLIB_ADD_IMAGE_FLAG_DEREFERENCE) {
+ ERROR("Dereferencing symbolic links is not supported on Windows");
+ return WIMLIB_ERR_INVALID_PARAM;
+ }
+#endif
if (!name || !*name) {
ERROR("Must specify a non-empty string for the image name");
return WIMLIB_ERR_INVALID_PARAM;
}
- if (!source || !*source) {
- ERROR("Must specify the name of a directory or NTFS volume");
- return WIMLIB_ERR_INVALID_PARAM;
- }
if (w->hdr.total_parts != 1) {
ERROR("Cannot add an image to a split WIM");
}
if (wimlib_image_name_in_use(w, name)) {
- ERROR("There is already an image named \"%s\" in `%s'",
- name, w->filename);
+ ERROR("There is already an image named \"%"TS"\" in the WIM!",
+ name);
return WIMLIB_ERR_IMAGE_NAME_COLLISION;
}
- DEBUG("Initializing capture configuration");
if (!config_str) {
DEBUG("Using default capture configuration");
config_str = default_config;
- config_len = strlen(default_config);
+ config_len = tstrlen(default_config);
}
- ret = init_capture_config(config_str, config_len, source, &config);
- if (ret != 0)
- return ret;
+ ret = init_capture_config(&config, config_str, config_len);
+ if (ret)
+ goto out;
DEBUG("Allocating security data");
-
sd = CALLOC(1, sizeof(struct wim_security_data));
if (!sd) {
ret = WIMLIB_ERR_NOMEM;
- goto out_destroy_config;
+ goto out_destroy_capture_config;
}
sd->total_length = 8;
sd->refcnt = 1;
- if (progress_func) {
- union wimlib_progress_info progress;
- progress.scan.source = source;
- progress_func(WIMLIB_PROGRESS_MSG_SCAN_BEGIN, &progress);
+ sd_set.sd = sd;
+ sd_set.rb_root.rb_node = NULL;
+
+ DEBUG("Using %zu capture sources", num_sources);
+ canonicalize_targets(sources, num_sources);
+ sort_sources(sources, num_sources);
+ ret = check_sorted_sources(sources, num_sources, add_image_flags);
+ if (ret) {
+ ret = WIMLIB_ERR_INVALID_PARAM;
+ goto out_free_security_data;
}
DEBUG("Building dentry tree.");
- ret = (*capture_tree)(&root_dentry, source, w->lookup_table, sd,
- &config, add_image_flags | WIMLIB_ADD_IMAGE_FLAG_ROOT,
- progress_func, extra_arg);
- destroy_capture_config(&config);
+ root_dentry = NULL;
- if (ret != 0) {
- ERROR("Failed to build dentry tree for `%s'", source);
- goto out_free_security_data;
+ for (size_t i = 0; i < num_sources; i++) {
+ int flags;
+ union wimlib_progress_info progress;
+
+ DEBUG("Building dentry tree for source %zu of %zu "
+ "(\"%"TS"\" => \"%"TS"\")", i + 1, num_sources,
+ sources[i].fs_source_path,
+ sources[i].wim_target_path);
+ if (progress_func) {
+ memset(&progress, 0, sizeof(progress));
+ progress.scan.source = sources[i].fs_source_path;
+ progress.scan.wim_target_path = sources[i].wim_target_path;
+ progress_func(WIMLIB_PROGRESS_MSG_SCAN_BEGIN, &progress);
+ }
+ ret = capture_config_set_prefix(&config,
+ sources[i].fs_source_path);
+ if (ret)
+ goto out_free_dentry_tree;
+ flags = add_image_flags | WIMLIB_ADD_IMAGE_FLAG_SOURCE;
+ if (!*sources[i].wim_target_path)
+ flags |= WIMLIB_ADD_IMAGE_FLAG_ROOT;
+ ret = (*capture_tree)(&branch,
+ sources[i].fs_source_path,
+ w->lookup_table,
+ &sd_set,
+ &config,
+ flags,
+ progress_func, extra_arg);
+ if (ret) {
+ ERROR("Failed to build dentry tree for `%"TS"'",
+ sources[i].fs_source_path);
+ goto out_free_dentry_tree;
+ }
+ 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,
+ path_basename(sources[i].wim_target_path));
+ if (ret)
+ goto out_free_branch;
+
+ ret = attach_branch(&root_dentry, branch,
+ sources[i].wim_target_path);
+ if (ret)
+ goto out_free_branch;
+ }
+ if (progress_func)
+ progress_func(WIMLIB_PROGRESS_MSG_SCAN_END, &progress);
}
- if (progress_func) {
- union wimlib_progress_info progress;
- progress.scan.source = source;
- progress_func(WIMLIB_PROGRESS_MSG_SCAN_END, &progress);
+ if (root_dentry == NULL) {
+ ret = new_filler_directory(T(""), &root_dentry);
+ if (ret)
+ goto out_free_dentry_tree;
}
DEBUG("Calculating full paths of dentries.");
ret = for_dentry_in_tree(root_dentry, calculate_dentry_full_path, NULL);
- if (ret != 0)
+ if (ret)
goto out_free_dentry_tree;
ret = add_new_dentry_tree(w, root_dentry, sd);
- if (ret != 0)
+ if (ret)
goto out_free_dentry_tree;
imd = &w->image_metadata[w->hdr.image_count - 1];
ret = dentry_tree_fix_inodes(root_dentry, &imd->inode_list);
- if (ret != 0)
+ if (ret)
goto out_destroy_imd;
DEBUG("Assigning hard link group IDs");
assign_inode_numbers(&imd->inode_list);
ret = xml_add_image(w, name);
- if (ret != 0)
+ if (ret)
goto out_destroy_imd;
if (add_image_flags & WIMLIB_ADD_IMAGE_FLAG_BOOT)
wimlib_set_boot_idx(w, w->hdr.image_count);
- return 0;
+ ret = 0;
+ goto out_destroy_sd_set;
out_destroy_imd:
destroy_image_metadata(&w->image_metadata[w->hdr.image_count - 1],
w->lookup_table);
w->hdr.image_count--;
- return ret;
+ goto out_destroy_sd_set;
+out_free_branch:
+ free_dentry_tree(branch, w->lookup_table);
out_free_dentry_tree:
free_dentry_tree(root_dentry, w->lookup_table);
out_free_security_data:
free_security_data(sd);
-out_destroy_config:
+out_destroy_sd_set:
+ destroy_sd_set(&sd_set);
+out_destroy_capture_config:
destroy_capture_config(&config);
+out:
+ return ret;
+}
+
+WIMLIBAPI int
+wimlib_add_image(WIMStruct *w,
+ const tchar *source,
+ const tchar *name,
+ const tchar *config_str,
+ size_t config_len,
+ int add_image_flags,
+ wimlib_progress_func_t progress_func)
+{
+ if (!source || !*source)
+ return WIMLIB_ERR_INVALID_PARAM;
+
+ tchar *fs_source_path = TSTRDUP(source);
+ int ret;
+ struct wimlib_capture_source capture_src = {
+ .fs_source_path = fs_source_path,
+ .wim_target_path = NULL,
+ .reserved = 0,
+ };
+ ret = wimlib_add_image_multisource(w, &capture_src, 1, name,
+ config_str, config_len,
+ add_image_flags, progress_func);
+ FREE(fs_source_path);
return ret;
}
git://wimlib.net / wimlib / blobdiff