Rust: Add more tests for std::fs::DirBuilder and similar.

Author: geoffw0

rust/ql/test/query-tests/security/CWE-022/src/main.rs

@@ -117,22 +117,27 @@ fn sinks(path1: &Path, path2: &Path) {
     let _ = std::fs::soft_link(path1, path2); // $ path-injection-sink
     let _ = std::fs::symlink_metadata(path1); // $ path-injection-sink
     let _ = std::fs::write(path1, "contents"); // $ path-injection-sink
-    let _ = std::fs::DirBuilder::new().create(path1); // $ path-injection-sink
     let _ = std::fs::File::create(path1); // $ path-injection-sink
     let _ = std::fs::File::create_buffered(path1); // $ path-injection-sink
     let _ = std::fs::File::create_new(path1); // $ path-injection-sink
     let _ = std::fs::File::open(path1); // $ path-injection-sink
     let _ = std::fs::File::open_buffered(path1); // $ path-injection-sink
+    let _ = std::fs::DirBuilder::new().create(path1); // $ path-injection-sink
+    let _ = std::fs::DirBuilder::new().recursive(true).create(path1); // $ path-injection-sink
     let _ = std::fs::OpenOptions::new().open(path1); // $ MISSING: path-injection-sink
 
     let _ = tokio::fs::read(path1); // $ MISSING: path-injection-sink
     let _ = tokio::fs::read_to_string(path1); // $ MISSING: path-injection-sink
     let _ = tokio::fs::remove_file(path1); // $ MISSING: path-injection-sink
+    let _ = tokio::fs::DirBuilder::new().create(path1); // $ MISSING: path-injection-sink
+    let _ = tokio::fs::DirBuilder::new().recursive(true).create(path1); // $ MISSING: path-injection-sink
     let _ = tokio::fs::OpenOptions::new().open(path1); // $ MISSING: path-injection-sink
 
     let _ = async_std::fs::read(path1); // $ MISSING: path-injection-sink
     let _ = async_std::fs::read_to_string(path1); // $ MISSING: path-injection-sink
     let _ = async_std::fs::remove_file(path1); // $ MISSING: path-injection-sink
+    let _ = async_std::fs::DirBuilder::new().create(path1); // $ MISSING: path-injection-sink
+    let _ = async_std::fs::DirBuilder::new().recursive(true).create(path1); // $ MISSING: path-injection-sink
     let _ = async_std::fs::OpenOptions::new().open(path1); // $ MISSING: path-injection-sink
 }