1 /**
2 * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
3 * SPDX-License-Identifier: Apache-2.0.
4 */
5
6 #include <jni.h>
7
8 #include <aws/io/pkcs11.h>
9
10 #include "crt.h"
11 #include "java_class_ids.h"
12
13 /* on 32-bit platforms, casting pointers to longs throws a warning we don't need */
14 #if UINTPTR_MAX == 0xffffffff
15 # if defined(_MSC_VER)
16 # pragma warning(push)
17 # pragma warning(disable : 4305) /* 'type cast': truncation from 'jlong' to 'aws_pkcs11_lib *' */
18 # else
19 # pragma GCC diagnostic push
20 # pragma GCC diagnostic ignored "-Wpointer-to-int-cast"
21 # pragma GCC diagnostic ignored "-Wint-to-pointer-cast"
22 # endif
23 #endif
24
Java_software_amazon_awssdk_crt_io_Pkcs11Lib_pkcs11LibNew(JNIEnv * env,jclass jni_class,jstring jni_filename,jint jni_initialize_finalize_behavior)25 JNIEXPORT jlong JNICALL Java_software_amazon_awssdk_crt_io_Pkcs11Lib_pkcs11LibNew(
26 JNIEnv *env,
27 jclass jni_class,
28 jstring jni_filename,
29 jint jni_initialize_finalize_behavior) {
30
31 (void)jni_class;
32 aws_cache_jni_ids(env);
33
34 struct aws_pkcs11_lib *pkcs11_lib = NULL;
35 struct aws_pkcs11_lib_options options;
36 AWS_ZERO_STRUCT(options);
37
38 /* read jni args into C options */
39
40 /* filename is required in Java binding
41 * (it's optional in C because user could link their PKCS#11 lib statically,
42 * but that's not happening in Java) */
43 options.filename = aws_jni_byte_cursor_from_jstring_acquire(env, jni_filename);
44 if (options.filename.ptr == NULL) {
45 goto cleanup;
46 }
47
48 options.initialize_finalize_behavior = jni_initialize_finalize_behavior;
49
50 /* create aws_pkcs11_lib */
51 pkcs11_lib = aws_pkcs11_lib_new(aws_jni_get_allocator(), &options);
52 if (pkcs11_lib == NULL) {
53 aws_jni_throw_runtime_exception(env, "Pkcs11Lib() failed.");
54 goto cleanup;
55 }
56
57 cleanup:
58 /* clean up, whether or not we were successful */
59 aws_jni_byte_cursor_from_jstring_release(env, jni_filename, options.filename);
60
61 return (jlong)pkcs11_lib;
62 }
63
64 JNIEXPORT void JNICALL
Java_software_amazon_awssdk_crt_io_Pkcs11Lib_pkcs11LibRelease(JNIEnv * env,jclass jni_class,jlong jni_pkcs11_lib)65 Java_software_amazon_awssdk_crt_io_Pkcs11Lib_pkcs11LibRelease(JNIEnv *env, jclass jni_class, jlong jni_pkcs11_lib) {
66
67 (void)env;
68 (void)jni_class;
69 aws_cache_jni_ids(env);
70
71 struct aws_pkcs11_lib *pkcs11_lib = (struct aws_pkcs11_lib *)jni_pkcs11_lib;
72 aws_pkcs11_lib_release(pkcs11_lib);
73 }
74