Built motion from commit 6a09e18b.|2.6.11
[motion2.git] / legacy-libs / grpc-cloned / deps / grpc / src / core / lib / security / security_connector / ssl_utils.h
diff --git a/legacy-libs/grpc-cloned/deps/grpc/src/core/lib/security/security_connector/ssl_utils.h b/legacy-libs/grpc-cloned/deps/grpc/src/core/lib/security/security_connector/ssl_utils.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_SECURITY_CONNECTOR_SSL_UTILS_H
+#define GRPC_CORE_LIB_SECURITY_SECURITY_CONNECTOR_SSL_UTILS_H
+
+#include <grpc/support/port_platform.h>
+
+#include <stdbool.h>
+
+#include <grpc/grpc_security.h>
+#include <grpc/slice_buffer.h>
+
+#include "src/core/lib/gprpp/global_config.h"
+#include "src/core/lib/gprpp/ref_counted_ptr.h"
+#include "src/core/lib/gprpp/string_view.h"
+#include "src/core/lib/iomgr/error.h"
+#include "src/core/lib/security/security_connector/security_connector.h"
+#include "src/core/lib/security/security_connector/ssl_utils_config.h"
+#include "src/core/tsi/ssl_transport_security.h"
+#include "src/core/tsi/transport_security.h"
+#include "src/core/tsi/transport_security_interface.h"
+
+/* --- Util --- */
+
+/* --- URL schemes. --- */
+#define GRPC_SSL_URL_SCHEME "https"
+
+/* Check ALPN information returned from SSL handshakes. */
+grpc_error* grpc_ssl_check_alpn(const tsi_peer* peer);
+
+/* Check peer name information returned from SSL handshakes. */
+grpc_error* grpc_ssl_check_peer_name(grpc_core::StringView peer_name,
+                                     const tsi_peer* peer);
+/* Compare targer_name information extracted from SSL security connectors. */
+int grpc_ssl_cmp_target_name(
+    grpc_core::StringView target_name, grpc_core::StringView other_target_name,
+    grpc_core::StringView overridden_target_name,
+    grpc_core::StringView other_overridden_target_name);
+/* Check the host that will be set for a call is acceptable.*/
+bool grpc_ssl_check_call_host(grpc_core::StringView host,
+                              grpc_core::StringView target_name,
+                              grpc_core::StringView overridden_target_name,
+                              grpc_auth_context* auth_context,
+                              grpc_closure* on_call_host_checked,
+                              grpc_error** error);
+/* Return HTTP2-compliant cipher suites that gRPC accepts by default. */
+const char* grpc_get_ssl_cipher_suites(void);
+
+/* Map from grpc_ssl_client_certificate_request_type to
+ * tsi_client_certificate_request_type. */
+tsi_client_certificate_request_type
+grpc_get_tsi_client_certificate_request_type(
+    grpc_ssl_client_certificate_request_type grpc_request_type);
+
+/* Return an array of strings containing alpn protocols. */
+const char** grpc_fill_alpn_protocol_strings(size_t* num_alpn_protocols);
+
+/* Initialize TSI SSL server/client handshaker factory. */
+grpc_security_status grpc_ssl_tsi_client_handshaker_factory_init(
+    tsi_ssl_pem_key_cert_pair* key_cert_pair, const char* pem_root_certs,
+    tsi_ssl_session_cache* ssl_session_cache,
+    tsi_ssl_client_handshaker_factory** handshaker_factory);
+
+grpc_security_status grpc_ssl_tsi_server_handshaker_factory_init(
+    tsi_ssl_pem_key_cert_pair* key_cert_pairs, size_t num_key_cert_pairs,
+    const char* pem_root_certs,
+    grpc_ssl_client_certificate_request_type client_certificate_request,
+    tsi_ssl_server_handshaker_factory** handshaker_factory);
+
+/* Exposed for testing only. */
+grpc_core::RefCountedPtr<grpc_auth_context> grpc_ssl_peer_to_auth_context(
+    const tsi_peer* peer);
+tsi_peer grpc_shallow_peer_from_ssl_auth_context(
+    const grpc_auth_context* auth_context);
+void grpc_shallow_peer_destruct(tsi_peer* peer);
+int grpc_ssl_host_matches_name(const tsi_peer* peer,
+                               grpc_core::StringView peer_name);
+
+/* --- Default SSL Root Store. --- */
+namespace grpc_core {
+
+// The class implements default SSL root store.
+class DefaultSslRootStore {
+ public:
+  // Gets the default SSL root store. Returns nullptr if not found.
+  static const tsi_ssl_root_certs_store* GetRootStore();
+
+  // Gets the default PEM root certificate.
+  static const char* GetPemRootCerts();
+
+ protected:
+  // Returns default PEM root certificates in nullptr terminated grpc_slice.
+  // This function is protected instead of private, so that it can be tested.
+  static grpc_slice ComputePemRootCerts();
+
+ private:
+  // Construct me not!
+  DefaultSslRootStore();
+
+  // Initialization of default SSL root store.
+  static void InitRootStore();
+
+  // One-time initialization of default SSL root store.
+  static void InitRootStoreOnce();
+
+  // SSL root store in tsi_ssl_root_certs_store object.
+  static tsi_ssl_root_certs_store* default_root_store_;
+
+  // Default PEM root certificates.
+  static grpc_slice default_pem_root_certs_;
+};
+
+class PemKeyCertPair {
+ public:
+  // Construct from the C struct.  We steal its members and then immediately
+  // free it.
+  explicit PemKeyCertPair(grpc_ssl_pem_key_cert_pair* pair)
+      : private_key_(const_cast<char*>(pair->private_key)),
+        cert_chain_(const_cast<char*>(pair->cert_chain)) {
+    gpr_free(pair);
+  }
+
+  // Movable.
+  PemKeyCertPair(PemKeyCertPair&& other) {
+    private_key_ = std::move(other.private_key_);
+    cert_chain_ = std::move(other.cert_chain_);
+  }
+  PemKeyCertPair& operator=(PemKeyCertPair&& other) {
+    private_key_ = std::move(other.private_key_);
+    cert_chain_ = std::move(other.cert_chain_);
+    return *this;
+  }
+
+  // Copyable.
+  PemKeyCertPair(const PemKeyCertPair& other)
+      : private_key_(gpr_strdup(other.private_key())),
+        cert_chain_(gpr_strdup(other.cert_chain())) {}
+  PemKeyCertPair& operator=(const PemKeyCertPair& other) {
+    private_key_ = grpc_core::UniquePtr<char>(gpr_strdup(other.private_key()));
+    cert_chain_ = grpc_core::UniquePtr<char>(gpr_strdup(other.cert_chain()));
+    return *this;
+  }
+
+  char* private_key() const { return private_key_.get(); }
+  char* cert_chain() const { return cert_chain_.get(); }
+
+ private:
+  grpc_core::UniquePtr<char> private_key_;
+  grpc_core::UniquePtr<char> cert_chain_;
+};
+
+}  // namespace grpc_core
+
+#endif /* GRPC_CORE_LIB_SECURITY_SECURITY_CONNECTOR_SSL_UTILS_H \
+        */