[Zip] Reject overlong pathnames in Zip writer

diff --git a/libarchive/archive_write_set_format_zip.c b/libarchive/archive_write_set_format_zip.c
index 81d3db0db0383c4f8fe71a795a86ef8648861057..78cd63f0c407794738ad7804bc5213e9e025d3b6 100644 (file)
--- a/libarchive/archive_write_set_format_zip.c
+++ b/libarchive/archive_write_set_format_zip.c
@@ -959,6 +959,11 @@ archive_write_zip_header(struct archive_write *a, struct archive_entry *entry)
                }
        }
        filename_length = path_length(zip->entry);
+       if (filename_length > 0xffff) {
+               archive_set_error(&a->archive, ENAMETOOLONG,
+                   "Pathname too long for ZIP format");
+               return (ARCHIVE_FAILED);
+       }
 
        /* Determine appropriate compression and size for this entry. */
        if (type == AE_IFLNK) {