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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef NET_SSL_OPENSSL_SSL_UTIL_H_
#define NET_SSL_OPENSSL_SSL_UTIL_H_
#include <stdint.h>
#include "net/base/net_export.h"
#include "net/cert/x509_certificate.h"
#include "net/log/net_log_event_type.h"
#include "third_party/boringssl/src/include/openssl/base.h"
namespace crypto {
class OpenSSLErrStackTracer;
}
namespace base {
class Location;
}
namespace net {
class NetLogWithSource;
// Puts a net error, |err|, on the error stack in OpenSSL. The file and line are
// extracted from |posted_from|. The function code of the error is left as 0.
void OpenSSLPutNetError(const base::Location& posted_from, int err);
// Utility to construct the appropriate set & clear masks for use the OpenSSL
// options and mode configuration functions. (SSL_set_options etc)
struct SslSetClearMask {
SslSetClearMask();
void ConfigureFlag(long flag, bool state);
long set_mask;
long clear_mask;
};
// Converts an OpenSSL error code into a net error code, walking the OpenSSL
// error stack if needed.
//
// Note that |tracer| is not currently used in the implementation, but is passed
// in anyway as this ensures the caller will clear any residual codes left on
// the error stack.
NET_EXPORT_PRIVATE int MapOpenSSLError(
int err,
const crypto::OpenSSLErrStackTracer& tracer);
// Helper struct to store information about an OpenSSL error stack entry.
struct OpenSSLErrorInfo {
OpenSSLErrorInfo() : error_code(0), file(nullptr), line(0) {}
uint32_t error_code;
const char* file;
int line;
};
// Converts an OpenSSL error code into a net error code, walking the OpenSSL
// error stack if needed. If a value on the stack is used, the error code and
// associated information are returned in |*out_error_info|. Otherwise its
// fields are set to 0 and NULL. This function will never return OK, so
// SSL_ERROR_ZERO_RETURN must be handled externally.
//
// Note that |tracer| is not currently used in the implementation, but is passed
// in anyway as this ensures the caller will clear any residual codes left on
// the error stack.
int MapOpenSSLErrorWithDetails(int err,
const crypto::OpenSSLErrStackTracer& tracer,
OpenSSLErrorInfo* out_error_info);
// Logs an OpenSSL error to the NetLog.
void NetLogOpenSSLError(const NetLogWithSource& net_log,
NetLogEventType type,
int net_error,
int ssl_error,
const OpenSSLErrorInfo& error_info);
// Returns the net SSL version number (see ssl_connection_status_flags.h) for
// this SSL connection.
int GetNetSSLVersion(SSL* ssl);
// Configures |ssl| to send the specified certificate and either |pkey| or
// |custom_key|. This is a wrapper over |SSL_set_chain_and_key|.
bool SetSSLChainAndKey(SSL* ssl,
X509Certificate* cert,
EVP_PKEY* pkey,
const SSL_PRIVATE_KEY_METHOD* custom_key);
} // namespace net
#endif // NET_SSL_OPENSSL_SSL_UTIL_H_