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bec6090996
Several packages are only used while running the e2e suite. These packages are less important to update, as the they can not influence the final executable that is part of the Ceph-CSI container-image. By moving these dependencies out of the main Ceph-CSI go.mod, it is easier to identify if a reported CVE affects Ceph-CSI, or only the testing (like most of the Kubernetes CVEs). Signed-off-by: Niels de Vos <ndevos@ibm.com>
32 lines
1.2 KiB
Go
32 lines
1.2 KiB
Go
// Copyright 2017, The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package cmp
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import (
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"reflect"
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"unsafe"
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)
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// retrieveUnexportedField uses unsafe to forcibly retrieve any field from
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// a struct such that the value has read-write permissions.
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//
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// The parent struct, v, must be addressable, while f must be a StructField
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// describing the field to retrieve. If addr is false,
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// then the returned value will be shallowed copied to be non-addressable.
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func retrieveUnexportedField(v reflect.Value, f reflect.StructField, addr bool) reflect.Value {
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ve := reflect.NewAt(f.Type, unsafe.Pointer(uintptr(unsafe.Pointer(v.UnsafeAddr()))+f.Offset)).Elem()
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if !addr {
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// A field is addressable if and only if the struct is addressable.
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// If the original parent value was not addressable, shallow copy the
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// value to make it non-addressable to avoid leaking an implementation
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// detail of how forcibly exporting a field works.
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if ve.Kind() == reflect.Interface && ve.IsNil() {
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return reflect.Zero(f.Type)
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}
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return reflect.ValueOf(ve.Interface()).Convert(f.Type)
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}
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return ve
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}
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