Merging upstream version 1.70.0+dfsg2.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 236 insertions, 0 deletions

diff --git a/vendor/openssl-sys/build/run_bindgen.rs b/vendor/openssl-sys/build/run_bindgen.rs
new file mode 100644
index 000000000..0c127ae5c
--- /dev/null
+++ b/vendor/openssl-sys/build/run_bindgen.rs
@@ -0,0 +1,236 @@
+#[cfg(feature = "bindgen")]
+use bindgen::callbacks::{MacroParsingBehavior, ParseCallbacks};
+#[cfg(feature = "bindgen")]
+use bindgen::{MacroTypeVariation, RustTarget};
+use std::io::Write;
+use std::path::PathBuf;
+#[cfg(not(feature = "bindgen"))]
+use std::process;
+use std::{env, fs};
+
+const INCLUDES: &str = "
+#include <openssl/aes.h>
+#include <openssl/asn1.h>
+#include <openssl/bio.h>
+#include <openssl/conf.h>
+#include <openssl/crypto.h>
+#include <openssl/dh.h>
+#include <openssl/dsa.h>
+#include <openssl/ec.h>
+#include <openssl/err.h>
+#include <openssl/evp.h>
+#include <openssl/hmac.h>
+#include <openssl/objects.h>
+#include <openssl/opensslv.h>
+#include <openssl/pem.h>
+#include <openssl/pkcs12.h>
+#include <openssl/pkcs7.h>
+#include <openssl/rand.h>
+#include <openssl/rsa.h>
+#include <openssl/safestack.h>
+#include <openssl/sha.h>
+#include <openssl/ssl.h>
+#include <openssl/stack.h>
+#include <openssl/x509.h>
+#include <openssl/x509_vfy.h>
+#include <openssl/x509v3.h>
+
+// this must be included after ssl.h for libressl!
+#include <openssl/srtp.h>
+
+#if !defined(LIBRESSL_VERSION_NUMBER) && !defined(OPENSSL_IS_BORINGSSL)
+#include <openssl/cms.h>
+#endif
+
+#if !defined(OPENSSL_IS_BORINGSSL)
+#include <openssl/comp.h>
+#include <openssl/ocsp.h>
+#endif
+
+#if !defined(LIBRESSL_VERSION_NUMBER) && OPENSSL_VERSION_NUMBER >= 0x10100000
+#include <openssl/kdf.h>
+#endif
+
+#if OPENSSL_VERSION_NUMBER >= 0x30000000
+#include <openssl/provider.h>
+#endif
+";
+
+#[cfg(feature = "bindgen")]
+pub fn run(include_dirs: &[PathBuf]) {
+    let out_dir = PathBuf::from(env::var_os("OUT_DIR").unwrap());
+
+    let mut builder = bindgen::builder()
+        .parse_callbacks(Box::new(OpensslCallbacks))
+        .rust_target(RustTarget::Stable_1_47)
+        .ctypes_prefix("::libc")
+        .raw_line("use libc::*;")
+        .raw_line("type evp_pkey_st = EVP_PKEY;")
+        .allowlist_file(".*/openssl/[^/]+\\.h")
+        .allowlist_recursively(false)
+        // libc is missing pthread_once_t on macOS
+        .blocklist_type("CRYPTO_ONCE")
+        .blocklist_function("CRYPTO_THREAD_run_once")
+        // we don't want to mess with va_list
+        .blocklist_function("BIO_vprintf")
+        .blocklist_function("BIO_vsnprintf")
+        .blocklist_function("ERR_vset_error")
+        .blocklist_function("ERR_add_error_vdata")
+        .blocklist_function("EVP_KDF_vctrl")
+        .blocklist_type("OSSL_FUNC_core_vset_error_fn")
+        .blocklist_type("OSSL_FUNC_BIO_vprintf_fn")
+        .blocklist_type("OSSL_FUNC_BIO_vsnprintf_fn")
+        // Maintain compatibility for existing enum definitions
+        .rustified_enum("point_conversion_form_t")
+        // Maintain compatibility for pre-union definitions
+        .blocklist_type("GENERAL_NAME")
+        .blocklist_type("GENERAL_NAME_st")
+        .blocklist_type("EVP_PKEY")
+        .blocklist_type("evp_pkey_st")
+        .layout_tests(false)
+        .header_contents("includes.h", INCLUDES);
+
+    for include_dir in include_dirs {
+        builder = builder
+            .clang_arg("-I")
+            .clang_arg(include_dir.display().to_string());
+    }
+
+    builder
+        .generate()
+        .unwrap()
+        .write_to_file(out_dir.join("bindgen.rs"))
+        .unwrap();
+}
+
+#[cfg(feature = "bindgen")]
+pub fn run_boringssl(include_dirs: &[PathBuf]) {
+    let out_dir = PathBuf::from(env::var_os("OUT_DIR").unwrap());
+    let mut builder = bindgen::builder()
+        .rust_target(RustTarget::Stable_1_47)
+        .ctypes_prefix("::libc")
+        .derive_default(false)
+        .enable_function_attribute_detection()
+        .size_t_is_usize(true)
+        .default_macro_constant_type(MacroTypeVariation::Signed)
+        .rustified_enum("point_conversion_form_t")
+        .allowlist_file(".*/openssl/[^/]+\\.h")
+        .wrap_static_fns(true)
+        .wrap_static_fns_path(out_dir.join("boring_static_wrapper").display().to_string())
+        .layout_tests(false)
+        .header_contents("includes.h", INCLUDES);
+
+    for include_dir in include_dirs {
+        builder = builder
+            .clang_arg("-I")
+            .clang_arg(include_dir.display().to_string());
+    }
+
+    builder
+        .generate()
+        .unwrap()
+        .write_to_file(out_dir.join("bindgen.rs"))
+        .unwrap();
+
+    fs::File::create(out_dir.join("boring_static_wrapper.h"))
+        .expect("Failed to create boring_static_wrapper.h")
+        .write_all(INCLUDES.as_bytes())
+        .expect("Failed to write contents to boring_static_wrapper.h");
+
+    cc::Build::new()
+        .file(out_dir.join("boring_static_wrapper.c"))
+        .includes(include_dirs)
+        .flag("-include")
+        .flag(
+            &out_dir
+                .join("boring_static_wrapper.h")
+                .display()
+                .to_string(),
+        )
+        .compile("boring_static_wrapper");
+}
+
+#[cfg(not(feature = "bindgen"))]
+pub fn run_boringssl(include_dirs: &[PathBuf]) {
+    let out_dir = PathBuf::from(env::var_os("OUT_DIR").unwrap());
+
+    fs::File::create(out_dir.join("boring_static_wrapper.h"))
+        .expect("Failed to create boring_static_wrapper.h")
+        .write_all(INCLUDES.as_bytes())
+        .expect("Failed to write contents to boring_static_wrapper.h");
+
+    let mut bindgen_cmd = process::Command::new("bindgen");
+    bindgen_cmd
+        .arg("-o")
+        .arg(out_dir.join("bindgen.rs"))
+        .arg("--rust-target=1.47")
+        .arg("--ctypes-prefix=::libc")
+        .arg("--no-derive-default")
+        .arg("--enable-function-attribute-detection")
+        .arg("--size_t-is-usize")
+        .arg("--default-macro-constant-type=signed")
+        .arg("--rustified-enum=point_conversion_form_t")
+        .arg("--allowlist-file=.*/openssl/[^/]+\\.h")
+        .arg("--experimental")
+        .arg("--wrap-static-fns")
+        .arg("--wrap-static-fns-path")
+        .arg(out_dir.join("boring_static_wrapper").display().to_string())
+        .arg("--no-layout-tests")
+        .arg(out_dir.join("boring_static_wrapper.h"))
+        .arg("--")
+        .arg(format!("--target={}", env::var("TARGET").unwrap()));
+
+    for include_dir in include_dirs {
+        bindgen_cmd.arg("-I").arg(include_dir.display().to_string());
+    }
+
+    let result = bindgen_cmd.status().expect("bindgen failed to execute");
+    assert!(result.success());
+
+    cc::Build::new()
+        .file(out_dir.join("boring_static_wrapper.c"))
+        .includes(include_dirs)
+        .flag("-include")
+        .flag(
+            &out_dir
+                .join("boring_static_wrapper.h")
+                .display()
+                .to_string(),
+        )
+        .compile("boring_static_wrapper");
+}
+
+#[derive(Debug)]
+struct OpensslCallbacks;
+
+#[cfg(feature = "bindgen")]
+impl ParseCallbacks for OpensslCallbacks {
+    // for now we'll continue hand-writing constants
+    fn will_parse_macro(&self, _name: &str) -> MacroParsingBehavior {
+        MacroParsingBehavior::Ignore
+    }
+
+    fn item_name(&self, original_item_name: &str) -> Option<String> {
+        match original_item_name {
+            // Our original definitions of these are wrong, so rename to avoid breakage
+            "CRYPTO_EX_new"
+            | "CRYPTO_EX_dup"
+            | "CRYPTO_EX_free"
+            | "BIO_meth_set_write"
+            | "BIO_meth_set_read"
+            | "BIO_meth_set_puts"
+            | "BIO_meth_set_ctrl"
+            | "BIO_meth_set_create"
+            | "BIO_meth_set_destroy"
+            | "CRYPTO_set_locking_callback"
+            | "CRYPTO_set_id_callback"
+            | "SSL_CTX_set_tmp_dh_callback"
+            | "SSL_set_tmp_dh_callback"
+            | "SSL_CTX_set_tmp_ecdh_callback"
+            | "SSL_set_tmp_ecdh_callback"
+            | "SSL_CTX_callback_ctrl"
+            | "SSL_CTX_set_alpn_select_cb" => Some(format!("{}__fixed_rust", original_item_name)),
+            _ => None,
+        }
+    }
+}