#include <unistd.h>
#include "dentry.h"
-#include "io.h"
+#include "buffer_io.h"
#include "lookup_table.h"
#include "sha1.h"
#include "timestamp.h"
}
#endif
-static inline struct dentry *inode_first_dentry(struct inode *inode)
-{
- wimlib_assert(inode->dentry_list.next != &inode->dentry_list);
- return container_of(inode->dentry_list.next, struct dentry,
- inode_dentry_list);
-}
-
-static int verify_inode(struct inode *inode, const WIMStruct *w)
-{
- const struct lookup_table *table = w->lookup_table;
- const struct wim_security_data *sd = wim_const_security_data(w);
- const struct dentry *first_dentry = inode_first_dentry(inode);
- int ret = WIMLIB_ERR_INVALID_DENTRY;
-
- /* Check the security ID */
- if (inode->security_id < -1) {
- ERROR("Dentry `%s' has an invalid security ID (%d)",
- first_dentry->full_path_utf8, inode->security_id);
- goto out;
- }
- if (inode->security_id >= sd->num_entries) {
- ERROR("Dentry `%s' has an invalid security ID (%d) "
- "(there are only %u entries in the security table)",
- first_dentry->full_path_utf8, inode->security_id,
- sd->num_entries);
- goto out;
- }
-
- /* Check that lookup table entries for all the resources exist, except
- * if the SHA1 message digest is all 0's, which indicates there is
- * intentionally no resource there. */
- if (w->hdr.total_parts == 1) {
- for (unsigned i = 0; i <= inode->num_ads; i++) {
- struct lookup_table_entry *lte;
- const u8 *hash;
- hash = inode_stream_hash_unresolved(inode, i);
- lte = __lookup_resource(table, hash);
- if (!lte && !is_zero_hash(hash)) {
- ERROR("Could not find lookup table entry for stream "
- "%u of dentry `%s'", i, first_dentry->full_path_utf8);
- goto out;
- }
- if (lte)
- lte->real_refcnt += inode->link_count;
-
- /* The following is now done when required by
- * wim_run_full_verifications(). */
-
- #if 0
- if (lte && !w->full_verification_in_progress &&
- lte->real_refcnt > lte->refcnt)
- {
- #ifdef ENABLE_ERROR_MESSAGES
- WARNING("The following lookup table entry "
- "has a reference count of %u, but",
- lte->refcnt);
- WARNING("We found %u references to it",
- lte->real_refcnt);
- WARNING("(One dentry referencing it is at `%s')",
- first_dentry->full_path_utf8);
-
- print_lookup_table_entry(lte);
- #endif
- /* Guess what! install.wim for Windows 8
- * contains many streams referenced by more
- * dentries than the refcnt stated in the lookup
- * table entry. So we will need to handle this
- * case and not just make it be an error... I'm
- * just setting the reference count to the
- * number of references we found.
- * (Unfortunately, even after doing this, the
- * reference count could be too low if it's also
- * referenced in other WIM images) */
-
- #if 1
- lte->refcnt = lte->real_refcnt;
- WARNING("Fixing reference count");
- #else
- goto out;
- #endif
- }
- #endif
- }
- }
-
- /* Make sure there is only one un-named stream. */
- unsigned num_unnamed_streams = 0;
- for (unsigned i = 0; i <= inode->num_ads; i++) {
- const u8 *hash;
- hash = inode_stream_hash_unresolved(inode, i);
- if (!inode_stream_name_len(inode, i) && !is_zero_hash(hash))
- num_unnamed_streams++;
- }
- if (num_unnamed_streams > 1) {
- ERROR("Dentry `%s' has multiple (%u) un-named streams",
- first_dentry->full_path_utf8, num_unnamed_streams);
- goto out;
- }
- inode->verified = true;
- ret = 0;
-out:
- return ret;
-}
-
-/* Run some miscellaneous verifications on a WIM dentry */
-int verify_dentry(struct dentry *dentry, void *wim)
-{
- int ret;
-
- if (!dentry->d_inode->verified) {
- ret = verify_inode(dentry->d_inode, wim);
- if (ret != 0)
- return ret;
- }
-
- /* Cannot have a short name but no long name */
- if (dentry->short_name_len && !dentry->file_name_len) {
- ERROR("Dentry `%s' has a short name but no long name",
- dentry->full_path_utf8);
- return WIMLIB_ERR_INVALID_DENTRY;
- }
-
- /* Make sure root dentry is unnamed */
- if (dentry_is_root(dentry)) {
- if (dentry->file_name_len) {
- ERROR("The root dentry is named `%s', but it must "
- "be unnamed", dentry->file_name_utf8);
- return WIMLIB_ERR_INVALID_DENTRY;
- }
- }
-
-#if 0
- /* Check timestamps */
- if (inode->last_access_time < inode->creation_time ||
- inode->last_write_time < inode->creation_time) {
- WARNING("Dentry `%s' was created after it was last accessed or "
- "written to", dentry->full_path_utf8);
- }
-#endif
-
- return 0;
-}
-
-
#ifdef WITH_FUSE
/* Returns the alternate data stream entry belonging to @inode that has the
* stream name @stream_name. */
git://wimlib.net / wimlib / blobdiff