VeraCrypt
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path: root/src/Common/libzip/zip_stat_index.c
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Diffstat (limited to 'src/Common/libzip/zip_stat_index.c')
-rw-r--r--src/Common/libzip/zip_stat_index.c37
1 files changed, 34 insertions, 3 deletions
diff --git a/src/Common/libzip/zip_stat_index.c b/src/Common/libzip/zip_stat_index.c
index fb532ec1..da33c09e 100644
--- a/src/Common/libzip/zip_stat_index.c
+++ b/src/Common/libzip/zip_stat_index.c
@@ -39,22 +39,43 @@ ZIP_EXTERN int
zip_stat_index(zip_t *za, zip_uint64_t index, zip_flags_t flags, zip_stat_t *st) {
const char *name;
zip_dirent_t *de;
+ zip_entry_t *entry;
- if ((de = _zip_get_dirent(za, index, flags, NULL)) == NULL)
+ if ((de = _zip_get_dirent(za, index, flags, NULL)) == NULL) {
return -1;
+ }
- if ((name = zip_get_name(za, index, flags)) == NULL)
+ if ((name = zip_get_name(za, index, flags)) == NULL) {
return -1;
+ }
+ entry = za->entry + index;
if ((flags & ZIP_FL_UNCHANGED) == 0 && ZIP_ENTRY_DATA_CHANGED(za->entry + index)) {
- zip_entry_t *entry = za->entry + index;
if (zip_source_stat(entry->source, st) < 0) {
zip_error_set(&za->error, ZIP_ER_CHANGED, 0);
return -1;
}
+ if (ZIP_CM_IS_DEFAULT(de->comp_method)) {
+ if (!(st->valid & ZIP_STAT_COMP_METHOD) || st->comp_method == ZIP_CM_STORE) {
+ st->valid &= ~(ZIP_STAT_COMP_SIZE|ZIP_STAT_COMP_METHOD);
+ }
+ }
+ else {
+ if ((st->valid & ZIP_STAT_COMP_METHOD) && st->comp_method != de->comp_method) {
+ st->valid &= ~ZIP_STAT_COMP_SIZE;
+ }
+ st->valid |= ZIP_STAT_COMP_METHOD;
+ st->comp_method = de->comp_method;
+ }
+
+ if (((st->valid & (ZIP_STAT_COMP_METHOD|ZIP_STAT_SIZE)) == (ZIP_STAT_COMP_METHOD|ZIP_STAT_SIZE)) && st->comp_method == ZIP_CM_STORE) {
+ st->valid |= ZIP_STAT_COMP_SIZE;
+ st->comp_size = st->size;
+ }
+
if (entry->changes != NULL && entry->changes->changed & ZIP_DIRENT_LAST_MOD) {
st->mtime = de->last_mod;
st->valid |= ZIP_STAT_MTIME;
@@ -70,6 +91,16 @@ zip_stat_index(zip_t *za, zip_uint64_t index, zip_flags_t flags, zip_stat_t *st)
st->comp_method = (zip_uint16_t)de->comp_method;
st->encryption_method = de->encryption_method;
st->valid = (de->crc_valid ? ZIP_STAT_CRC : 0) | ZIP_STAT_SIZE | ZIP_STAT_MTIME | ZIP_STAT_COMP_SIZE | ZIP_STAT_COMP_METHOD | ZIP_STAT_ENCRYPTION_METHOD;
+ if (entry->changes != NULL && entry->changes->changed & ZIP_DIRENT_COMP_METHOD) {
+ st->valid &= ~ZIP_STAT_COMP_SIZE;
+ }
+ }
+
+ if ((za->ch_flags & ZIP_AFL_WANT_TORRENTZIP) && (flags & ZIP_FL_UNCHANGED) == 0) {
+ st->comp_method = ZIP_CM_DEFLATE;
+ st->mtime = _zip_d2u_time(0xbc00, 0x2198);
+ st->valid |= ZIP_STAT_MTIME | ZIP_STAT_COMP_METHOD;
+ st->valid &= ~ZIP_STAT_COMP_SIZE;
}
st->index = index;