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// Copyright 2023 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build unix
package runtime
func secure() {
initSecureMode()
if !isSecureMode() {
return
}
// When secure mode is enabled, we do one thing: enforce specific
// environment variable values (currently we only force GOTRACEBACK=none)
//
// Other packages may also disable specific functionality when secure mode
// is enabled (determined by using linkname to call isSecureMode).
secureEnv()
}
func secureEnv() {
var hasTraceback bool
for i := 0; i < len(envs); i++ {
if hasPrefix(envs[i], "GOTRACEBACK=") {
hasTraceback = true
envs[i] = "GOTRACEBACK=none"
}
}
if !hasTraceback {
envs = append(envs, "GOTRACEBACK=none")
}
}
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