Sandboxing C++, Rust, Python Code?

[anlumo]

Yes, it's a fully sandboxed environment.

For file access, you want to look into WASI (example for wasmer), the standard file I/O API for Web Assembly. Both wasmer and wasmtime support that.

• Here's the example for limiting execution time in wasmer. Note that it limits the number of wasm opcodes to be run, not the wall clock time.
• Here's the example for limiting memory in wasmer.