src/objective-c/GRPCClient/GRPCCall+ChannelCredentials.h

/*
 *
 * Copyright 2016, Google Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
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 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
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 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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#import "GRPCCall.h"

/** Helpers for setting TLS Trusted Roots, Client Certificates, and Private Key */
@interface GRPCCall (ChannelCredentials)

/**
 * Use the provided @c pemRootCert as the set of trusted root Certificate Authorities for @c host.
 */
+ (BOOL)setTLSPEMRootCerts:(nullable NSString *)pemRootCert
                   forHost:(nonnull NSString *)host
                     error:(NSError * _Nullable * _Nullable)errorPtr;
/**
 * Configures @c host with TLS/SSL Client Credentials and optionally trusted root Certificate
 * Authorities. If @c pemRootCerts is nil, the default CA Certificates bundled with gRPC will be
 * used.
 */
+ (BOOL)setTLSPEMRootCerts:(nullable NSString *)pemRootCerts
            withPrivateKey:(nullable NSString *)pemPrivateKey
             withCertChain:(nullable NSString *)pemCertChain
                   forHost:(nonnull NSString *)host
                     error:(NSError * _Nullable * _Nullable)errorPtr;

@end