77 lines
3 KiB
Go
77 lines
3 KiB
Go
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// +build go1.7
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/*
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*
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* Copyright 2016, Google Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Google Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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package credentials
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import (
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"crypto/tls"
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)
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// cloneTLSConfig returns a shallow clone of the exported
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// fields of cfg, ignoring the unexported sync.Once, which
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// contains a mutex and must not be copied.
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//
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// If cfg is nil, a new zero tls.Config is returned.
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//
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// TODO replace this function with official clone function.
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func cloneTLSConfig(cfg *tls.Config) *tls.Config {
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if cfg == nil {
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return &tls.Config{}
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}
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return &tls.Config{
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Rand: cfg.Rand,
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Time: cfg.Time,
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Certificates: cfg.Certificates,
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NameToCertificate: cfg.NameToCertificate,
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GetCertificate: cfg.GetCertificate,
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RootCAs: cfg.RootCAs,
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NextProtos: cfg.NextProtos,
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ServerName: cfg.ServerName,
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ClientAuth: cfg.ClientAuth,
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ClientCAs: cfg.ClientCAs,
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InsecureSkipVerify: cfg.InsecureSkipVerify,
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CipherSuites: cfg.CipherSuites,
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PreferServerCipherSuites: cfg.PreferServerCipherSuites,
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SessionTicketsDisabled: cfg.SessionTicketsDisabled,
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SessionTicketKey: cfg.SessionTicketKey,
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ClientSessionCache: cfg.ClientSessionCache,
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MinVersion: cfg.MinVersion,
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MaxVersion: cfg.MaxVersion,
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CurvePreferences: cfg.CurvePreferences,
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DynamicRecordSizingDisabled: cfg.DynamicRecordSizingDisabled,
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Renegotiation: cfg.Renegotiation,
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}
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}
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