blob: 6ef3b5b328c64507d4ed79a64de6b3bb835000a9 [file] [log] [blame]
// 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
import (
"internal/stringslite"
)
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 stringslite.HasPrefix(envs[i], "GOTRACEBACK=") {
hasTraceback = true
envs[i] = "GOTRACEBACK=none"
}
}
if !hasTraceback {
envs = append(envs, "GOTRACEBACK=none")
}
}