Built motion from commit 6a09e18b.|2.6.11

[motion2.git] / legacy-libs / grpc-cloned / deps / grpc / src / core / lib / security / context / security_context.h

diff --git a/legacy-libs/grpc-cloned/deps/grpc/src/core/lib/security/context/security_context.h b/legacy-libs/grpc-cloned/deps/grpc/src/core/lib/security/context/security_context.h
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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/gprpp/arena.h"
+#include "src/core/lib/gprpp/ref_counted.h"
+#include "src/core/lib/gprpp/ref_counted_ptr.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;
+
+/* --- 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;
+};
+
+void grpc_auth_property_reset(grpc_auth_property* property);
+
+// This type is forward declared as a C struct and we cannot define it as a
+// class. Otherwise, compiler will complain about type mismatch due to
+// -Wmismatched-tags.
+struct grpc_auth_context
+    : public grpc_core::RefCounted<grpc_auth_context,
+                                   grpc_core::NonPolymorphicRefCount> {
+ public:
+  explicit grpc_auth_context(
+      grpc_core::RefCountedPtr<grpc_auth_context> chained)
+      : grpc_core::RefCounted<grpc_auth_context,
+                              grpc_core::NonPolymorphicRefCount>(
+            &grpc_trace_auth_context_refcount),
+        chained_(std::move(chained)) {
+    if (chained_ != nullptr) {
+      peer_identity_property_name_ = chained_->peer_identity_property_name_;
+    }
+  }
+
+  ~grpc_auth_context() {
+    chained_.reset(DEBUG_LOCATION, "chained");
+    if (properties_.array != nullptr) {
+      for (size_t i = 0; i < properties_.count; i++) {
+        grpc_auth_property_reset(&properties_.array[i]);
+      }
+      gpr_free(properties_.array);
+    }
+  }
+
+  const grpc_auth_context* chained() const { return chained_.get(); }
+  const grpc_auth_property_array& properties() const { return properties_; }
+
+  bool is_authenticated() const {
+    return peer_identity_property_name_ != nullptr;
+  }
+  const char* peer_identity_property_name() const {
+    return peer_identity_property_name_;
+  }
+  void set_peer_identity_property_name(const char* name) {
+    peer_identity_property_name_ = name;
+  }
+
+  void ensure_capacity();
+  void add_property(const char* name, const char* value, size_t value_length);
+  void add_cstring_property(const char* name, const char* value);
+
+ private:
+  grpc_core::RefCountedPtr<grpc_auth_context> chained_;
+  grpc_auth_property_array properties_;
+  const char* peer_identity_property_name_ = nullptr;
+};
+
+/* --- 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 {
+  explicit grpc_client_security_context(
+      grpc_core::RefCountedPtr<grpc_call_credentials> creds)
+      : creds(std::move(creds)) {}
+  ~grpc_client_security_context();
+
+  grpc_core::RefCountedPtr<grpc_call_credentials> creds;
+  grpc_core::RefCountedPtr<grpc_auth_context> auth_context;
+  grpc_security_context_extension extension;
+};
+
+grpc_client_security_context* grpc_client_security_context_create(
+    grpc_core::Arena* arena, grpc_call_credentials* creds);
+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_core::RefCountedPtr<grpc_auth_context> auth_context;
+  grpc_security_context_extension extension;
+};
+
+grpc_server_security_context* grpc_server_security_context_create(
+    grpc_core::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 */