1 // Copyright 2012 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 package x509 6 7 // To update the embedded iOS root store, update the -version 8 // argument to the latest security_certificates version from 9 // https://opensource.apple.com/source/security_certificates/ 10 // and run "go generate". See https://golang.org/issue/38843. 11 //go:generate go run root_ios_gen.go -version 55188.120.1.0.1 12 13 import "sync" 14 15 var ( 16 once sync.Once 17 systemRoots *CertPool 18 systemRootsErr error 19 ) 20 21 func systemRootsPool() *CertPool { 22 once.Do(initSystemRoots) 23 return systemRoots 24 } 25 26 func initSystemRoots() { 27 systemRoots, systemRootsErr = loadSystemRoots() 28 if systemRootsErr != nil { 29 systemRoots = nil 30 } 31 } 32