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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.
*
*/
#include <grpc/support/port_platform.h>
#include "src/core/lib/security/security_connector/security_connector.h"
#include <grpc/slice_buffer.h>
#include <grpc/support/alloc.h>
#include <grpc/support/log.h>
#include <grpc/support/string_util.h>
#include "src/core/ext/transport/chttp2/alpn/alpn.h"
#include "src/core/lib/channel/channel_args.h"
#include "src/core/lib/channel/handshaker.h"
#include "src/core/lib/gpr/env.h"
#include "src/core/lib/gpr/host_port.h"
#include "src/core/lib/gpr/string.h"
#include "src/core/lib/iomgr/load_file.h"
#include "src/core/lib/security/context/security_context.h"
#include "src/core/lib/security/credentials/credentials.h"
#include "src/core/lib/security/security_connector/load_system_roots.h"
#include "src/core/lib/security/security_connector/security_connector.h"
#include "src/core/lib/security/transport/security_handshaker.h"
grpc_core::DebugOnlyTraceFlag grpc_trace_security_connector_refcount(
false, "security_connector_refcount");
grpc_server_security_connector::grpc_server_security_connector(
const char* url_scheme,
grpc_core::RefCountedPtr<grpc_server_credentials> server_creds)
: grpc_security_connector(url_scheme),
server_creds_(std::move(server_creds)) {}
grpc_channel_security_connector::grpc_channel_security_connector(
const char* url_scheme,
grpc_core::RefCountedPtr<grpc_channel_credentials> channel_creds,
grpc_core::RefCountedPtr<grpc_call_credentials> request_metadata_creds)
: grpc_security_connector(url_scheme),
channel_creds_(std::move(channel_creds)),
request_metadata_creds_(std::move(request_metadata_creds)) {}
grpc_channel_security_connector::~grpc_channel_security_connector() {}
int grpc_security_connector_cmp(const grpc_security_connector* sc,
const grpc_security_connector* other) {
if (sc == nullptr || other == nullptr) return GPR_ICMP(sc, other);
return sc->cmp(other);
}
int grpc_channel_security_connector::channel_security_connector_cmp(
const grpc_channel_security_connector* other) const {
const grpc_channel_security_connector* other_sc =
static_cast<const grpc_channel_security_connector*>(other);
GPR_ASSERT(channel_creds() != nullptr);
GPR_ASSERT(other_sc->channel_creds() != nullptr);
int c = GPR_ICMP(channel_creds(), other_sc->channel_creds());
if (c != 0) return c;
return GPR_ICMP(request_metadata_creds(), other_sc->request_metadata_creds());
}
int grpc_server_security_connector::server_security_connector_cmp(
const grpc_server_security_connector* other) const {
const grpc_server_security_connector* other_sc =
static_cast<const grpc_server_security_connector*>(other);
GPR_ASSERT(server_creds() != nullptr);
GPR_ASSERT(other_sc->server_creds() != nullptr);
return GPR_ICMP(server_creds(), other_sc->server_creds());
}
static void connector_arg_destroy(void* p) {
static_cast<grpc_security_connector*>(p)->Unref(DEBUG_LOCATION,
"connector_arg_destroy");
}
static void* connector_arg_copy(void* p) {
return static_cast<grpc_security_connector*>(p)
->Ref(DEBUG_LOCATION, "connector_arg_copy")
.release();
}
static int connector_cmp(void* a, void* b) {
return static_cast<grpc_security_connector*>(a)->cmp(
static_cast<grpc_security_connector*>(b));
}
static const grpc_arg_pointer_vtable connector_arg_vtable = {
connector_arg_copy, connector_arg_destroy, connector_cmp};
grpc_arg grpc_security_connector_to_arg(grpc_security_connector* sc) {
return grpc_channel_arg_pointer_create((char*)GRPC_ARG_SECURITY_CONNECTOR, sc,
&connector_arg_vtable);
}
grpc_security_connector* grpc_security_connector_from_arg(const grpc_arg* arg) {
if (strcmp(arg->key, GRPC_ARG_SECURITY_CONNECTOR)) return nullptr;
if (arg->type != GRPC_ARG_POINTER) {
gpr_log(GPR_ERROR, "Invalid type %d for arg %s", arg->type,
GRPC_ARG_SECURITY_CONNECTOR);
return nullptr;
}
return static_cast<grpc_security_connector*>(arg->value.pointer.p);
}
grpc_security_connector* grpc_security_connector_find_in_args(
const grpc_channel_args* args) {
size_t i;
if (args == nullptr) return nullptr;
for (i = 0; i < args->num_args; i++) {
grpc_security_connector* sc =
grpc_security_connector_from_arg(&args->args[i]);
if (sc != nullptr) return sc;
}
return nullptr;
}
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