mirror of
https://github.com/woodpecker-ci/woodpecker.git
synced 2024-12-12 03:26:30 +00:00
40 lines
1.2 KiB
Go
40 lines
1.2 KiB
Go
// Copyright 2012 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.
|
|
|
|
package syscerts
|
|
|
|
import (
|
|
"crypto/x509"
|
|
"errors"
|
|
"syscall"
|
|
"unsafe"
|
|
)
|
|
|
|
// extractSimpleChain extracts the final certificate chain from a CertSimpleChain.
|
|
func extractSimpleChain(simpleChain **syscall.CertSimpleChain, count int) (chain []*x509.Certificate, err error) {
|
|
if simpleChain == nil || count == 0 {
|
|
return nil, errors.New("x509: invalid simple chain")
|
|
}
|
|
|
|
simpleChains := (*[1 << 20]*syscall.CertSimpleChain)(unsafe.Pointer(simpleChain))[:]
|
|
lastChain := simpleChains[count-1]
|
|
elements := (*[1 << 20]*syscall.CertChainElement)(unsafe.Pointer(lastChain.Elements))[:]
|
|
for i := 0; i < int(lastChain.NumElements); i++ {
|
|
// Copy the buf, since ParseCertificate does not create its own copy.
|
|
cert := elements[i].CertContext
|
|
encodedCert := (*[1 << 20]byte)(unsafe.Pointer(cert.EncodedCert))[:]
|
|
buf := make([]byte, cert.Length)
|
|
copy(buf, encodedCert[:])
|
|
parsedCert, err := x509.ParseCertificate(buf)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
chain = append(chain, parsedCert)
|
|
}
|
|
|
|
return chain, nil
|
|
}
|
|
|
|
func initSystemRoots() {
|
|
}
|