OPEN-00: Add dynamic license header while ossl.rs is generated (#17)

Add dynamic license header while ossl.rs is generated

Author: tobias-schwerdtfeger

core-modules/crypto-openssl-sys/Cargo.toml

@@ -29,3 +29,4 @@ build = "builder/main.rs"
 bindgen = "0.72.0"
 num_cpus = "1.17.0"
 cc = "1.2.38"
+chrono = { version = "0.4", features = ["clock"] }

core-modules/crypto-openssl-sys/builder/main.rs

@@ -19,12 +19,42 @@
 // For additional notes and disclaimer from gematik and in case of changes by gematik,
 // find details in the "Readme" file.
 
+use chrono::Datelike;
 use std::{
     env, fs,
     path::{Path, PathBuf},
     process::Command,
 };
 
+fn get_license_header() -> String {
+    let year = chrono::Utc::now().year();
+    format!(
+        r#"
+// SPDX-FileCopyrightText: Copyright {year} gematik GmbH
+//
+// SPDX-License-Identifier: Apache-2.0
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// *******
+//
+// For additional notes and disclaimer from gematik and in case of changes by gematik,
+// find details in the "Readme" file."#
+    )
+    .trim()
+    .to_string()
+}
+
 fn current_dir() -> PathBuf {
     env::current_dir().unwrap()
 }
@@ -147,6 +177,7 @@ fn build_openssl_bindings() {
         .size_t_is_usize(true)
         .layout_tests(true)
         .prepend_enum_name(true)
+        .raw_line(get_license_header())
         .formatter(bindgen::Formatter::Rustfmt)
         .header(wrapper_header.display().to_string())
         .clang_args(clang_args)

core-modules/crypto-openssl-sys/src/ossl.rs

@@ -1,3 +1,5 @@
+/* automatically generated by rust-bindgen 0.72.0 */
+
 // SPDX-FileCopyrightText: Copyright 2025 gematik GmbH
 //
 // SPDX-License-Identifier: Apache-2.0
@@ -19,8 +21,6 @@
 // For additional notes and disclaimer from gematik and in case of changes by gematik,
 // find details in the "Readme" file.
 
-/* automatically generated by rust-bindgen 0.72.0 */
-
 pub const OPENSSL_SYS_MACOSX: i32 = 1;
 pub const OPENSSL_CONFIGURED_API: i32 = 30500;
 pub const OPENSSL_VERSION_MAJOR: i32 = 3;