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/*
*
* Copyright 2016 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_GRPC_SECURITY_CONSTANTS_H
#define GRPC_GRPC_SECURITY_CONSTANTS_H
#ifdef __cplusplus
extern "C" {
#endif
#define GRPC_TRANSPORT_SECURITY_TYPE_PROPERTY_NAME "transport_security_type"
#define GRPC_SSL_TRANSPORT_SECURITY_TYPE "ssl"
#define GRPC_X509_CN_PROPERTY_NAME "x509_common_name"
#define GRPC_X509_SAN_PROPERTY_NAME "x509_subject_alternative_name"
#define GRPC_X509_PEM_CERT_PROPERTY_NAME "x509_pem_cert"
#define GRPC_SSL_SESSION_REUSED_PROPERTY "ssl_session_reused"
/** Environment variable that points to the default SSL roots file. This file
must be a PEM encoded file with all the roots such as the one that can be
downloaded from https://pki.google.com/roots.pem. */
#define GRPC_DEFAULT_SSL_ROOTS_FILE_PATH_ENV_VAR \
"GRPC_DEFAULT_SSL_ROOTS_FILE_PATH"
/** Environment variable that points to the google default application
credentials json key or refresh token. Used in the
grpc_google_default_credentials_create function. */
#define GRPC_GOOGLE_CREDENTIALS_ENV_VAR "GOOGLE_APPLICATION_CREDENTIALS"
/** Results for the SSL roots override callback. */
typedef enum {
GRPC_SSL_ROOTS_OVERRIDE_OK,
GRPC_SSL_ROOTS_OVERRIDE_FAIL_PERMANENTLY, /** Do not try fallback options. */
GRPC_SSL_ROOTS_OVERRIDE_FAIL
} grpc_ssl_roots_override_result;
/** Callback results for dynamically loading a SSL certificate config. */
typedef enum {
GRPC_SSL_CERTIFICATE_CONFIG_RELOAD_UNCHANGED,
GRPC_SSL_CERTIFICATE_CONFIG_RELOAD_NEW,
GRPC_SSL_CERTIFICATE_CONFIG_RELOAD_FAIL
} grpc_ssl_certificate_config_reload_status;
typedef enum {
/** Server does not request client certificate. A client can present a self
signed or signed certificates if it wishes to do so and they would be
accepted. */
GRPC_SSL_DONT_REQUEST_CLIENT_CERTIFICATE,
/** Server requests client certificate but does not enforce that the client
presents a certificate.
If the client presents a certificate, the client authentication is left to
the application based on the metadata like certificate etc.
The key cert pair should still be valid for the SSL connection to be
established. */
GRPC_SSL_REQUEST_CLIENT_CERTIFICATE_BUT_DONT_VERIFY,
/** Server requests client certificate but does not enforce that the client
presents a certificate.
If the client presents a certificate, the client authentication is done by
grpc framework (The client needs to either present a signed cert or skip no
certificate for a successful connection).
The key cert pair should still be valid for the SSL connection to be
established. */
GRPC_SSL_REQUEST_CLIENT_CERTIFICATE_AND_VERIFY,
/** Server requests client certificate but enforces that the client presents a
certificate.
If the client presents a certificate, the client authentication is left to
the application based on the metadata like certificate etc.
The key cert pair should still be valid for the SSL connection to be
established. */
GRPC_SSL_REQUEST_AND_REQUIRE_CLIENT_CERTIFICATE_BUT_DONT_VERIFY,
/** Server requests client certificate but enforces that the client presents a
certificate.
The cerificate presented by the client is verified by grpc framework (The
client needs to present signed certs for a successful connection).
The key cert pair should still be valid for the SSL connection to be
established. */
GRPC_SSL_REQUEST_AND_REQUIRE_CLIENT_CERTIFICATE_AND_VERIFY
} grpc_ssl_client_certificate_request_type;
#ifdef __cplusplus
}
#endif
#endif /* GRPC_GRPC_SECURITY_CONSTANTS_H */
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