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-rw-r--r--libarchive/archive_read_support_format_rar.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/libarchive/archive_read_support_format_rar.c b/libarchive/archive_read_support_format_rar.c
index 234522229e40..a8cc5c94d846 100644
--- a/libarchive/archive_read_support_format_rar.c
+++ b/libarchive/archive_read_support_format_rar.c
@@ -258,6 +258,7 @@ struct rar
struct data_block_offsets *dbo;
unsigned int cursor;
unsigned int nodes;
+ char filename_must_match;
/* LZSS members */
struct huffman_code maincode;
@@ -1560,6 +1561,12 @@ read_header(struct archive_read *a, struct archive_entry *entry,
}
return ret;
}
+ else if (rar->filename_must_match)
+ {
+ archive_set_error(&a->archive, ARCHIVE_ERRNO_FILE_FORMAT,
+ "Mismatch of file parts split across multi-volume archive");
+ return (ARCHIVE_FATAL);
+ }
rar->filename_save = (char*)realloc(rar->filename_save,
filename_size + 1);
@@ -2300,6 +2307,11 @@ parse_codes(struct archive_read *a)
new_size = DICTIONARY_MAX_SIZE;
else
new_size = rar_fls((unsigned int)rar->unp_size) << 1;
+ if (new_size == 0) {
+ archive_set_error(&a->archive, ARCHIVE_ERRNO_FILE_FORMAT,
+ "Zero window size is invalid.");
+ return (ARCHIVE_FATAL);
+ }
new_window = realloc(rar->lzss.window, new_size);
if (new_window == NULL) {
archive_set_error(&a->archive, ENOMEM,
@@ -2928,12 +2940,14 @@ rar_read_ahead(struct archive_read *a, size_t min, ssize_t *avail)
else if (*avail == 0 && rar->main_flags & MHD_VOLUME &&
rar->file_flags & FHD_SPLIT_AFTER)
{
+ rar->filename_must_match = 1;
ret = archive_read_format_rar_read_header(a, a->entry);
if (ret == (ARCHIVE_EOF))
{
rar->has_endarc_header = 1;
ret = archive_read_format_rar_read_header(a, a->entry);
}
+ rar->filename_must_match = 0;
if (ret != (ARCHIVE_OK))
return NULL;
return rar_read_ahead(a, min, avail);