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/*
*
* Copyright 2015 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_CORE_LIB_SECURITY_CONTEXT_SECURITY_CONTEXT_H
#define GRPC_CORE_LIB_SECURITY_CONTEXT_SECURITY_CONTEXT_H
#include <grpc/support/port_platform.h>
#include "src/core/lib/iomgr/pollset.h"
#include "src/core/lib/security/credentials/credentials.h"
extern grpc_core::DebugOnlyTraceFlag grpc_trace_auth_context_refcount;
struct gpr_arena;
/* --- grpc_auth_context ---
High level authentication context object. Can optionally be chained. */
/* Property names are always NULL terminated. */
struct grpc_auth_property_array {
grpc_auth_property* array = nullptr;
size_t count = 0;
size_t capacity = 0;
};
struct grpc_auth_context {
grpc_auth_context() { gpr_ref_init(&refcount, 0); }
struct grpc_auth_context* chained = nullptr;
grpc_auth_property_array properties;
gpr_refcount refcount;
const char* peer_identity_property_name = nullptr;
grpc_pollset* pollset = nullptr;
};
/* Creation. */
grpc_auth_context* grpc_auth_context_create(grpc_auth_context* chained);
/* Refcounting. */
#ifndef NDEBUG
#define GRPC_AUTH_CONTEXT_REF(p, r) \
grpc_auth_context_ref((p), __FILE__, __LINE__, (r))
#define GRPC_AUTH_CONTEXT_UNREF(p, r) \
grpc_auth_context_unref((p), __FILE__, __LINE__, (r))
grpc_auth_context* grpc_auth_context_ref(grpc_auth_context* policy,
const char* file, int line,
const char* reason);
void grpc_auth_context_unref(grpc_auth_context* policy, const char* file,
int line, const char* reason);
#else
#define GRPC_AUTH_CONTEXT_REF(p, r) grpc_auth_context_ref((p))
#define GRPC_AUTH_CONTEXT_UNREF(p, r) grpc_auth_context_unref((p))
grpc_auth_context* grpc_auth_context_ref(grpc_auth_context* policy);
void grpc_auth_context_unref(grpc_auth_context* policy);
#endif
void grpc_auth_property_reset(grpc_auth_property* property);
/* --- grpc_security_context_extension ---
Extension to the security context that may be set in a filter and accessed
later by a higher level method on a grpc_call object. */
struct grpc_security_context_extension {
void* instance = nullptr;
void (*destroy)(void*) = nullptr;
};
/* --- grpc_client_security_context ---
Internal client-side security context. */
struct grpc_client_security_context {
grpc_client_security_context() = default;
~grpc_client_security_context();
grpc_call_credentials* creds = nullptr;
grpc_auth_context* auth_context = nullptr;
grpc_security_context_extension extension;
};
grpc_client_security_context* grpc_client_security_context_create(
gpr_arena* arena);
void grpc_client_security_context_destroy(void* ctx);
/* --- grpc_server_security_context ---
Internal server-side security context. */
struct grpc_server_security_context {
grpc_server_security_context() = default;
~grpc_server_security_context();
grpc_auth_context* auth_context = nullptr;
grpc_security_context_extension extension;
};
grpc_server_security_context* grpc_server_security_context_create(
gpr_arena* arena);
void grpc_server_security_context_destroy(void* ctx);
/* --- Channel args for auth context --- */
#define GRPC_AUTH_CONTEXT_ARG "grpc.auth_context"
grpc_arg grpc_auth_context_to_arg(grpc_auth_context* c);
grpc_auth_context* grpc_auth_context_from_arg(const grpc_arg* arg);
grpc_auth_context* grpc_find_auth_context_in_args(
const grpc_channel_args* args);
#endif /* GRPC_CORE_LIB_SECURITY_CONTEXT_SECURITY_CONTEXT_H */
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