1 files changed, 56 insertions, 0 deletions
diff --git a/third_party/rust/pkcs11-bindings/build.rs b/third_party/rust/pkcs11-bindings/build.rs
new file mode 100644
index 0000000000..63430147ae
--- /dev/null
+++ b/third_party/rust/pkcs11-bindings/build.rs
@@ -0,0 +1,56 @@
+/* -*- Mode: rust; rust-indent-offset: 4 -*- */
+
+extern crate bindgen;
+
+use bindgen::callbacks::*;
+use bindgen::*;
+
+use std::env;
+use std::path::PathBuf;
+
+#[derive(Debug)]
+struct PKCS11TypesParseCallbacks;
+
+impl ParseCallbacks for PKCS11TypesParseCallbacks {
+    fn int_macro(&self, name: &str, _value: i64) -> Option<IntKind> {
+        if name == "CK_TRUE" || name == "CK_FALSE" {
+            Some(IntKind::U8)
+        } else {
+            Some(IntKind::ULong)
+        }
+    }
+}
+
+fn main() {
+    println!("cargo:rerun-if-changed=wrapper.h");
+
+    let bindings = Builder::default()
+        .header("wrapper.h")
+        .allowlist_function("C_GetFunctionList")
+        .allowlist_type("CK_RSA_PKCS_PSS_PARAMS")
+        .allowlist_type("CK_OBJECT_CLASS")
+        .allowlist_type("CK_KEY_TYPE")
+        .allowlist_type("CK_C_INITIALIZE_ARGS_PTR")
+        .allowlist_var("CK_TRUE")
+        .allowlist_var("CK_FALSE")
+        .allowlist_var("CK_UNAVAILABLE_INFORMATION")
+        .allowlist_var("CK_EFFECTIVELY_INFINITE")
+        .allowlist_var("CK_INVALID_HANDLE")
+        .allowlist_var("CKA_.*")
+        .allowlist_var("CKC_.*")
+        .allowlist_var("CKD_.*")
+        .allowlist_var("CKF_.*")
+        .allowlist_var("CKK_.*")
+        .allowlist_var("CKM_.*")
+        .allowlist_var("CKO_.*")
+        .allowlist_var("CKR_.*")
+        .derive_default(true)
+        .parse_callbacks(Box::new(PKCS11TypesParseCallbacks))
+        .generate()
+        .expect("Unable to generate bindings");
+
+    let out_path = PathBuf::from(env::var("OUT_DIR").expect("OUT_DIR should be set in env"));
+    bindings
+        .write_to_file(out_path.join("bindings.rs"))
+        .expect("Couldn't write bindings!");
+}