allow wasi read root

OptimatistOpenSource · Dec 4, 2024 · a15689f · a15689f
1 parent fec2bc3
commit a15689f
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/src/runtime/builder/mod.rs b/src/runtime/builder/mod.rs
@@ -17,7 +17,7 @@ use wasmtime::{
     component::{Linker, ResourceTable},
     Config, Engine, Store,
 };
-use wasmtime_wasi::{StdinStream, StdoutStream, WasiCtxBuilder};
+use wasmtime_wasi::{DirPerms, FilePerms, StdinStream, StdoutStream, WasiCtxBuilder};
 
 use host_op_perf::PerfCtx;
 use host_op_system::SysCtx;
@@ -66,6 +66,9 @@ impl PshEngineBuilder {
                 .context("Failed to link data-export module")?;
         }
 
+        self.wasi_ctx_builder
+            .preopened_dir("/", "/", DirPerms::READ, FilePerms::READ)?;
+
         let state = PshState {
             name: "PSH Wasi Runtime".to_owned(),
             table: ResourceTable::new(),