# include "config.h"
#endif
+#include "wimlib/blob_table.h"
#include "wimlib/dentry.h"
#include "wimlib/error.h"
-#include "wimlib/lookup_table.h"
#include "wimlib/metadata.h"
#include "wimlib/progress.h"
#include "wimlib/security.h"
static int
-lte_fix_refcnt(struct wim_lookup_table_entry *lte, void *ctr)
+append_blob_to_list(struct blob_descriptor *blob, void *_list)
{
- if (lte->refcnt != lte->real_refcnt) {
- lte->refcnt = lte->real_refcnt;
- ++*(unsigned long *)ctr;
- }
- return 0;
-}
-
-static void
-tally_inode_refcnts(const struct wim_inode *inode,
- const struct wim_lookup_table *lookup_table)
-{
- for (unsigned i = 0; i <= inode->i_num_ads; i++) {
- struct wim_lookup_table_entry *lte;
- lte = inode_stream_lte(inode, i, lookup_table);
- if (lte)
- lte->real_refcnt += inode->i_nlink;
- }
-}
-
-
-static int
-tally_image_refcnts(WIMStruct *wim)
-{
- const struct wim_image_metadata *imd;
- const struct wim_inode *inode;
-
- imd = wim_get_current_image_metadata(wim);
- image_for_each_inode(inode, imd)
- tally_inode_refcnts(inode, wim->lookup_table);
- return 0;
-}
-
-
-/* Ideally this would be unnecessary... however, the WIMs for Windows 8 are
- * screwed up because some lookup table entries are referenced more times than
- * their stated reference counts. So theoretically, if we delete all the
- * references to a stream and then remove it, it might still be referenced
- * somewhere else, making a file be missing from the WIM... So, work around this
- * problem by looking at ALL the images to re-calculate the reference count of
- * EVERY lookup table entry. This only absolutely has to be done before an image
- * is deleted or before an image is mounted read-write. */
-int
-wim_recalculate_refcnts(WIMStruct *wim)
-{
- unsigned long num_ltes_with_bogus_refcnt = 0;
- int ret;
-
- for_lookup_table_entry(wim->lookup_table, lte_zero_real_refcnt, NULL);
- ret = for_image(wim, WIMLIB_ALL_IMAGES, tally_image_refcnts);
- if (ret)
- return ret;
- num_ltes_with_bogus_refcnt = 0;
- for_lookup_table_entry(wim->lookup_table, lte_fix_refcnt,
- &num_ltes_with_bogus_refcnt);
- if (num_ltes_with_bogus_refcnt != 0) {
- WARNING("%lu stream(s) had incorrect reference count.",
- num_ltes_with_bogus_refcnt);
- }
- wim->refcnts_ok = 1;
+ list_add(&blob->extraction_list, (struct list_head *)_list);
return 0;
}
-static int
-append_lte_to_list(struct wim_lookup_table_entry *lte, void *_list)
-{
- list_add(<e->extraction_list, (struct list_head *)_list);
- return 0;
-}
-
-struct verify_stream_list_ctx {
+struct verify_blob_list_ctx {
wimlib_progress_func_t progfunc;
void *progctx;
union wimlib_progress_info *progress;
};
static int
-end_verify_stream(struct wim_lookup_table_entry *lte, int status, void *_ctx)
+verify_continue_blob(const struct blob_descriptor *blob, u64 offset,
+ const void *chunk, size_t size, void *_ctx)
{
- struct verify_stream_list_ctx *ctx = _ctx;
+ struct verify_blob_list_ctx *ctx = _ctx;
union wimlib_progress_info *progress = ctx->progress;
- if (status)
- return status;
-
- progress->verify_streams.completed_streams++;
- progress->verify_streams.completed_bytes += lte->size;
+ if (offset + size == blob->size)
+ progress->verify_streams.completed_streams++;
- /* Handle rate-limiting of progress messages */
+ progress->verify_streams.completed_bytes += size;
- if (progress->verify_streams.completed_bytes < ctx->next_progress)
- return 0;
+ if (progress->verify_streams.completed_bytes >= ctx->next_progress) {
- /* Time for another progress message. */
-
- status = call_progress(ctx->progfunc, WIMLIB_PROGRESS_MSG_VERIFY_STREAMS,
- progress, ctx->progctx);
- if (status)
- return status;
+ int ret = call_progress(ctx->progfunc,
+ WIMLIB_PROGRESS_MSG_VERIFY_STREAMS,
+ progress, ctx->progctx);
+ if (ret)
+ return ret;
- if (ctx->next_progress == progress->verify_streams.total_bytes) {
- ctx->next_progress = ~(uint64_t)0;
- return 0;
+ set_next_progress(progress->verify_streams.completed_bytes,
+ progress->verify_streams.total_bytes,
+ &ctx->next_progress);
}
-
- /* Send new message as soon as another 1/128 of the total has
- * been verified. (Arbitrary number.) */
- ctx->next_progress = progress->verify_streams.completed_bytes +
- progress->verify_streams.total_bytes / 128;
-
- /* ... Unless that would be more than 5000000 bytes, in which case send
- * the next after the next 5000000 bytes. (Another arbitrary number.) */
- if (progress->verify_streams.completed_bytes + 5000000 < ctx->next_progress)
- ctx->next_progress = progress->verify_streams.completed_bytes + 5000000;
-
- /* ... But always send a message as soon as we're completely
- * done. */
- if (progress->verify_streams.total_bytes < ctx->next_progress)
- ctx->next_progress = progress->verify_streams.total_bytes;
return 0;
}
static int
-verify_image_streams_present(struct wim_image_metadata *imd,
- struct wim_lookup_table *lookup_table)
+verify_file_data_present(struct wim_image_metadata *imd,
+ struct blob_table *blob_table)
{
struct wim_inode *inode;
int ret;
image_for_each_inode(inode, imd) {
- ret = inode_resolve_streams(inode, lookup_table, false);
+ ret = inode_resolve_streams(inode, blob_table, false);
if (ret)
return ret;
}
wimlib_verify_wim(WIMStruct *wim, int verify_flags)
{
int ret;
- LIST_HEAD(stream_list);
+ LIST_HEAD(blob_list);
union wimlib_progress_info progress;
- struct verify_stream_list_ctx ctx;
- struct wim_lookup_table_entry *lte;
- struct read_stream_list_callbacks cbs = {
- .end_stream = end_verify_stream,
- .end_stream_ctx = &ctx,
+ struct verify_blob_list_ctx ctx;
+ struct blob_descriptor *blob;
+ struct read_blob_callbacks cbs = {
+ .continue_blob = verify_continue_blob,
+ .ctx = &ctx,
};
/* Check parameters */
if (ret)
return ret;
- ret = verify_image_streams_present(wim_get_current_image_metadata(wim),
- wim->lookup_table);
+ ret = verify_file_data_present(wim_get_current_image_metadata(wim),
+ wim->blob_table);
if (ret)
return ret;
wim->filename);
}
- /* Verify the streams */
+ /* Verify the blobs: SHA-1 message digests must match */
- for_lookup_table_entry(wim->lookup_table, append_lte_to_list, &stream_list);
+ for_blob_in_table(wim->blob_table, append_blob_to_list, &blob_list);
memset(&progress, 0, sizeof(progress));
progress.verify_streams.wimfile = wim->filename;
- list_for_each_entry(lte, &stream_list, extraction_list) {
+ list_for_each_entry(blob, &blob_list, extraction_list) {
progress.verify_streams.total_streams++;
- progress.verify_streams.total_bytes += lte->size;
+ progress.verify_streams.total_bytes += blob->size;
}
ctx.progfunc = wim->progfunc;
if (ret)
return ret;
- return read_stream_list(&stream_list,
- offsetof(struct wim_lookup_table_entry,
- extraction_list),
- &cbs, VERIFY_STREAM_HASHES);
+ return read_blob_list(&blob_list,
+ offsetof(struct blob_descriptor, extraction_list),
+ &cbs, VERIFY_BLOB_HASHES);
}