/*
* Copyright (C) 2012, 2013 Eric Biggers
*
- * wimlib - Library for working with WIM files
- *
* 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
* along with wimlib; if not, see http://www.gnu.org/licenses/.
*/
-#include "wimlib_internal.h"
-#include "dentry.h"
-#include "lookup_table.h"
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include "wimlib/dentry.h"
+#include "wimlib/error.h"
+#include "wimlib/lookup_table.h"
+#include "wimlib/metadata.h"
+#include "wimlib/security.h"
static int
verify_inode(struct wim_inode *inode, const WIMStruct *w)
const struct wim_security_data *sd = wim_const_security_data(w);
struct wim_dentry *first_dentry = inode_first_dentry(inode);
struct wim_dentry *dentry;
- int ret = WIMLIB_ERR_INVALID_DENTRY;
/* Check the security ID. -1 is valid and means "no security
* descriptor". Anything else has to be a valid index into the WIM
if (inode->i_security_id < -1) {
ERROR("Dentry `%"TS"' has an invalid security ID (%d)",
dentry_full_path(first_dentry), inode->i_security_id);
- goto out;
+ return WIMLIB_ERR_INVALID_DENTRY;
}
- if (inode->i_security_id >= sd->num_entries) {
+ if (inode->i_security_id >= 0 &&
+ inode->i_security_id >= sd->num_entries)
+ {
ERROR("Dentry `%"TS"' has an invalid security ID (%d) "
"(there are only %u entries in the security table)",
dentry_full_path(first_dentry), inode->i_security_id,
sd->num_entries);
- goto out;
+ return WIMLIB_ERR_INVALID_DENTRY;
}
/* Check that lookup table entries for all the inode's stream exist,
ERROR("Could not find lookup table entry for stream "
"%u of dentry `%"TS"'",
i, dentry_full_path(first_dentry));
- goto out;
+ return WIMLIB_ERR_INVALID_DENTRY;
}
if (lte)
lte->real_refcnt += inode->i_nlink;
if (num_unnamed_streams > 1) {
ERROR("Dentry `%"TS"' has multiple (%u) un-named streams",
dentry_full_path(first_dentry), num_unnamed_streams);
- goto out;
+ return WIMLIB_ERR_INVALID_DENTRY;
}
/* Files cannot have multiple DOS names, even if they have multiple
"both `%"TS"' and `%"TS"'",
dentry_full_path(dentry_with_dos_name),
dentry_full_path(dentry));
- goto out;
+ return WIMLIB_ERR_INVALID_DENTRY;
}
dentry_with_dos_name = dentry;
}
if (inode->i_nlink > 1 && inode->i_attributes & FILE_ATTRIBUTE_DIRECTORY) {
ERROR("Hard-linked directory `%"TS"' is unsupported",
dentry_full_path(first_dentry));
- goto out;
+ return WIMLIB_ERR_INVALID_DENTRY;
}
inode->i_verified = 1;
- ret = 0;
-out:
- return ret;
+ return 0;
}
/* Run some miscellaneous verifications on a WIM dentry */
* in which case we need to force the inode to be verified again.) */
if (!dentry->d_inode->i_verified) {
ret = verify_inode(dentry->d_inode, w);
- if (ret != 0)
+ if (ret)
return ret;
}
}
return ret;
}
-
-/*
- * verify_swm_set: - Sanity checks to make sure a set of WIMs correctly
- * correspond to a spanned set.
- *
- * @w:
- * Part 1 of the set.
- *
- * @additional_swms:
- * All parts of the set other than part 1.
- *
- * @num_additional_swms:
- * Number of WIMStructs in @additional_swms. Or, the total number of parts
- * in the set minus 1.
- *
- * @return:
- * 0 on success; WIMLIB_ERR_SPLIT_INVALID if the set is not valid.
- */
-int
-verify_swm_set(WIMStruct *w, WIMStruct **additional_swms,
- unsigned num_additional_swms)
-{
- unsigned total_parts = w->hdr.total_parts;
- int ctype;
- const u8 *guid;
-
- if (total_parts != num_additional_swms + 1) {
- ERROR("`%"TS"' says there are %u parts in the spanned set, "
- "but %"TS"%u part%"TS" provided",
- w->filename, total_parts,
- (num_additional_swms + 1 < total_parts) ? T("only ") : T(""),
- num_additional_swms + 1,
- (num_additional_swms) ? T("s were") : T(" was"));
- return WIMLIB_ERR_SPLIT_INVALID;
- }
- if (w->hdr.part_number != 1) {
- ERROR("WIM `%"TS"' is not the first part of the split WIM.",
- w->filename);
- return WIMLIB_ERR_SPLIT_INVALID;
- }
- for (unsigned i = 0; i < num_additional_swms; i++) {
- if (additional_swms[i]->hdr.total_parts != total_parts) {
- ERROR("WIM `%"TS"' says there are %u parts in the "
- "spanned set, but %u parts were provided",
- additional_swms[i]->filename,
- additional_swms[i]->hdr.total_parts,
- total_parts);
- return WIMLIB_ERR_SPLIT_INVALID;
- }
- }
-
- /* keep track of ctype and guid just to make sure they are the same for
- * all the WIMs. */
- ctype = wimlib_get_compression_type(w);
- guid = w->hdr.guid;
-
- {
- /* parts_to_swms is not allocated at function scope because it
- * should only be allocated after num_additional_swms was
- * checked to be the same as w->hdr.total_parts. Otherwise, it
- * could be unexpectedly high and cause a stack overflow. */
- WIMStruct *parts_to_swms[num_additional_swms];
- ZERO_ARRAY(parts_to_swms);
- for (unsigned i = 0; i < num_additional_swms; i++) {
-
- WIMStruct *swm = additional_swms[i];
-
- if (wimlib_get_compression_type(swm) != ctype) {
- ERROR("The split WIMs do not all have the same "
- "compression type");
- return WIMLIB_ERR_SPLIT_INVALID;
- }
- if (memcmp(guid, swm->hdr.guid, WIM_GID_LEN) != 0) {
- ERROR("The split WIMs do not all have the same "
- "GUID");
- return WIMLIB_ERR_SPLIT_INVALID;
- }
- if (swm->hdr.part_number == 1) {
- ERROR("WIMs `%"TS"' and `%"TS"' both are marked "
- "as the first WIM in the spanned set",
- w->filename, swm->filename);
- return WIMLIB_ERR_SPLIT_INVALID;
- }
- if (swm->hdr.part_number == 0 ||
- swm->hdr.part_number > total_parts)
- {
- ERROR("WIM `%"TS"' says it is part %u in the "
- "spanned set, but the part number must "
- "be in the range [1, %u]",
- swm->filename, swm->hdr.part_number, total_parts);
- return WIMLIB_ERR_SPLIT_INVALID;
- }
- if (parts_to_swms[swm->hdr.part_number - 2])
- {
- ERROR("`%"TS"' and `%"TS"' are both marked as "
- "part %u of %u in the spanned set",
- parts_to_swms[swm->hdr.part_number - 2]->filename,
- swm->filename,
- swm->hdr.part_number,
- total_parts);
- return WIMLIB_ERR_SPLIT_INVALID;
- } else {
- parts_to_swms[swm->hdr.part_number - 2] = swm;
- }
- }
- }
- return 0;
-}
git://wimlib.net / wimlib / blobdiff