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//
//
// Copyright 2020 gRPC authors.
//
// 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.
//
//
#ifndef GRPC_SRC_CORE_LIB_SECURITY_CREDENTIALS_XDS_XDS_CREDENTIALS_H
#define GRPC_SRC_CORE_LIB_SECURITY_CREDENTIALS_XDS_XDS_CREDENTIALS_H
#include <grpc/support/port_platform.h>
#include <stddef.h>
#include <functional>
#include <string>
#include <utility>
#include <vector>
#include "absl/status/status.h"
#include <grpc/grpc.h>
#include <grpc/grpc_security.h>
#include "src/core/ext/xds/xds_certificate_provider.h"
#include "src/core/lib/channel/channel_args.h"
#include "src/core/lib/gprpp/ref_counted_ptr.h"
#include "src/core/lib/gprpp/unique_type_name.h"
#include "src/core/lib/matchers/matchers.h"
#include "src/core/lib/security/credentials/credentials.h"
#include "src/core/lib/security/credentials/tls/grpc_tls_certificate_verifier.h"
#include "src/core/lib/security/security_connector/security_connector.h"
namespace grpc_core {
class XdsCertificateVerifier : public grpc_tls_certificate_verifier {
public:
explicit XdsCertificateVerifier(
RefCountedPtr<XdsCertificateProvider> xds_certificate_provider);
bool Verify(grpc_tls_custom_verification_check_request* request,
std::function<void(absl::Status)>,
absl::Status* sync_status) override;
void Cancel(grpc_tls_custom_verification_check_request*) override;
UniqueTypeName type() const override;
private:
int CompareImpl(const grpc_tls_certificate_verifier* other) const override;
RefCountedPtr<XdsCertificateProvider> xds_certificate_provider_;
};
class XdsCredentials final : public grpc_channel_credentials {
public:
explicit XdsCredentials(
RefCountedPtr<grpc_channel_credentials> fallback_credentials)
: fallback_credentials_(std::move(fallback_credentials)) {}
RefCountedPtr<grpc_channel_security_connector> create_security_connector(
RefCountedPtr<grpc_call_credentials> call_creds, const char* target_name,
ChannelArgs* args) override;
static UniqueTypeName Type();
UniqueTypeName type() const override { return Type(); }
private:
int cmp_impl(const grpc_channel_credentials* other) const override {
auto* o = static_cast<const XdsCredentials*>(other);
return fallback_credentials_->cmp(o->fallback_credentials_.get());
}
RefCountedPtr<grpc_channel_credentials> fallback_credentials_;
};
class XdsServerCredentials final : public grpc_server_credentials {
public:
explicit XdsServerCredentials(
RefCountedPtr<grpc_server_credentials> fallback_credentials)
: fallback_credentials_(std::move(fallback_credentials)) {}
RefCountedPtr<grpc_server_security_connector> create_security_connector(
const ChannelArgs& /* args */) override;
static UniqueTypeName Type();
UniqueTypeName type() const override { return Type(); }
private:
RefCountedPtr<grpc_server_credentials> fallback_credentials_;
};
bool TestOnlyXdsVerifySubjectAlternativeNames(
const char* const* subject_alternative_names,
size_t subject_alternative_names_size,
const std::vector<StringMatcher>& matchers);
} // namespace grpc_core
#endif // GRPC_SRC_CORE_LIB_SECURITY_CREDENTIALS_XDS_XDS_CREDENTIALS_H
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