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// Copyright 2020 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 darwin
package macOS
import (
"errors"
"internal/abi"
"strconv"
"unsafe"
)
// Security.framework linker flags for the external linker. See Issue 42459.
//
//go:cgo_ldflag "-framework"
//go:cgo_ldflag "Security"
// Based on https://opensource.apple.com/source/Security/Security-59306.41.2/base/Security.h
type SecTrustSettingsResult int32
const (
SecTrustSettingsResultInvalid SecTrustSettingsResult = iota
SecTrustSettingsResultTrustRoot
SecTrustSettingsResultTrustAsRoot
SecTrustSettingsResultDeny
SecTrustSettingsResultUnspecified
)
type SecTrustResultType int32
const (
SecTrustResultInvalid SecTrustResultType = iota
SecTrustResultProceed
SecTrustResultConfirm // deprecated
SecTrustResultDeny
SecTrustResultUnspecified
SecTrustResultRecoverableTrustFailure
SecTrustResultFatalTrustFailure
SecTrustResultOtherError
)
type SecTrustSettingsDomain int32
const (
SecTrustSettingsDomainUser SecTrustSettingsDomain = iota
SecTrustSettingsDomainAdmin
SecTrustSettingsDomainSystem
)
const (
// various macOS error codes that can be returned from
// SecTrustEvaluateWithError that we can map to Go cert
// verification error types.
ErrSecCertificateExpired = -67818
ErrSecHostNameMismatch = -67602
ErrSecNotTrusted = -67843
)
type OSStatus struct {
call string
status int32
}
func (s OSStatus) Error() string {
return s.call + " error: " + strconv.Itoa(int(s.status))
}
// Dictionary keys are defined as build-time strings with CFSTR, but the Go
// linker's internal linking mode can't handle CFSTR relocations. Create our
// own dynamic strings instead and just never release them.
//
// Note that this might be the only thing that can break over time if
// these values change, as the ABI arguably requires using the strings
// pointed to by the symbols, not values that happen to be equal to them.
var SecTrustSettingsResultKey = StringToCFString("kSecTrustSettingsResult")
var SecTrustSettingsPolicy = StringToCFString("kSecTrustSettingsPolicy")
var SecTrustSettingsPolicyString = StringToCFString("kSecTrustSettingsPolicyString")
var SecPolicyOid = StringToCFString("SecPolicyOid")
var SecPolicyAppleSSL = StringToCFString("1.2.840.113635.100.1.3") // defined by POLICYMACRO
var ErrNoTrustSettings = errors.New("no trust settings found")
const errSecNoTrustSettings = -25263
//go:cgo_import_dynamic x509_SecTrustSettingsCopyCertificates SecTrustSettingsCopyCertificates "/System/Library/Frameworks/Security.framework/Versions/A/Security"
func SecTrustSettingsCopyCertificates(domain SecTrustSettingsDomain) (certArray CFRef, err error) {
ret := syscall(abi.FuncPCABI0(x509_SecTrustSettingsCopyCertificates_trampoline), uintptr(domain),
uintptr(unsafe.Pointer(&certArray)), 0, 0, 0, 0)
if int32(ret) == errSecNoTrustSettings {
return 0, ErrNoTrustSettings
} else if ret != 0 {
return 0, OSStatus{"SecTrustSettingsCopyCertificates", int32(ret)}
}
return certArray, nil
}
func x509_SecTrustSettingsCopyCertificates_trampoline()
const errSecItemNotFound = -25300
//go:cgo_import_dynamic x509_SecTrustSettingsCopyTrustSettings SecTrustSettingsCopyTrustSettings "/System/Library/Frameworks/Security.framework/Versions/A/Security"
func SecTrustSettingsCopyTrustSettings(cert CFRef, domain SecTrustSettingsDomain) (trustSettings CFRef, err error) {
ret := syscall(abi.FuncPCABI0(x509_SecTrustSettingsCopyTrustSettings_trampoline), uintptr(cert), uintptr(domain),
uintptr(unsafe.Pointer(&trustSettings)), 0, 0, 0)
if int32(ret) == errSecItemNotFound {
return 0, ErrNoTrustSettings
} else if ret != 0 {
return 0, OSStatus{"SecTrustSettingsCopyTrustSettings", int32(ret)}
}
return trustSettings, nil
}
func x509_SecTrustSettingsCopyTrustSettings_trampoline()
//go:cgo_import_dynamic x509_SecTrustCreateWithCertificates SecTrustCreateWithCertificates "/System/Library/Frameworks/Security.framework/Versions/A/Security"
func SecTrustCreateWithCertificates(certs CFRef, policies CFRef) (CFRef, error) {
var trustObj CFRef
ret := syscall(abi.FuncPCABI0(x509_SecTrustCreateWithCertificates_trampoline), uintptr(certs), uintptr(policies),
uintptr(unsafe.Pointer(&trustObj)), 0, 0, 0)
if int32(ret) != 0 {
return 0, OSStatus{"SecTrustCreateWithCertificates", int32(ret)}
}
return trustObj, nil
}
func x509_SecTrustCreateWithCertificates_trampoline()
//go:cgo_import_dynamic x509_SecCertificateCreateWithData SecCertificateCreateWithData "/System/Library/Frameworks/Security.framework/Versions/A/Security"
func SecCertificateCreateWithData(b []byte) (CFRef, error) {
data := BytesToCFData(b)
defer CFRelease(data)
ret := syscall(abi.FuncPCABI0(x509_SecCertificateCreateWithData_trampoline), kCFAllocatorDefault, uintptr(data), 0, 0, 0, 0)
// Returns NULL if the data passed in the data parameter is not a valid
// DER-encoded X.509 certificate.
if ret == 0 {
return 0, errors.New("SecCertificateCreateWithData: invalid certificate")
}
return CFRef(ret), nil
}
func x509_SecCertificateCreateWithData_trampoline()
//go:cgo_import_dynamic x509_SecPolicyCreateSSL SecPolicyCreateSSL "/System/Library/Frameworks/Security.framework/Versions/A/Security"
func SecPolicyCreateSSL(name string) (CFRef, error) {
var hostname CFString
if name != "" {
hostname = StringToCFString(name)
defer CFRelease(CFRef(hostname))
}
ret := syscall(abi.FuncPCABI0(x509_SecPolicyCreateSSL_trampoline), 1 /* true */, uintptr(hostname), 0, 0, 0, 0)
if ret == 0 {
return 0, OSStatus{"SecPolicyCreateSSL", int32(ret)}
}
return CFRef(ret), nil
}
func x509_SecPolicyCreateSSL_trampoline()
//go:cgo_import_dynamic x509_SecTrustSetVerifyDate SecTrustSetVerifyDate "/System/Library/Frameworks/Security.framework/Versions/A/Security"
func SecTrustSetVerifyDate(trustObj CFRef, dateRef CFRef) error {
ret := syscall(abi.FuncPCABI0(x509_SecTrustSetVerifyDate_trampoline), uintptr(trustObj), uintptr(dateRef), 0, 0, 0, 0)
if int32(ret) != 0 {
return OSStatus{"SecTrustSetVerifyDate", int32(ret)}
}
return nil
}
func x509_SecTrustSetVerifyDate_trampoline()
//go:cgo_import_dynamic x509_SecTrustEvaluate SecTrustEvaluate "/System/Library/Frameworks/Security.framework/Versions/A/Security"
func SecTrustEvaluate(trustObj CFRef) (CFRef, error) {
var result CFRef
ret := syscall(abi.FuncPCABI0(x509_SecTrustEvaluate_trampoline), uintptr(trustObj), uintptr(unsafe.Pointer(&result)), 0, 0, 0, 0)
if int32(ret) != 0 {
return 0, OSStatus{"SecTrustEvaluate", int32(ret)}
}
return CFRef(result), nil
}
func x509_SecTrustEvaluate_trampoline()
//go:cgo_import_dynamic x509_SecTrustGetResult SecTrustGetResult "/System/Library/Frameworks/Security.framework/Versions/A/Security"
func SecTrustGetResult(trustObj CFRef, result CFRef) (CFRef, CFRef, error) {
var chain, info CFRef
ret := syscall(abi.FuncPCABI0(x509_SecTrustGetResult_trampoline), uintptr(trustObj), uintptr(unsafe.Pointer(&result)),
uintptr(unsafe.Pointer(&chain)), uintptr(unsafe.Pointer(&info)), 0, 0)
if int32(ret) != 0 {
return 0, 0, OSStatus{"SecTrustGetResult", int32(ret)}
}
return chain, info, nil
}
func x509_SecTrustGetResult_trampoline()
//go:cgo_import_dynamic x509_SecTrustEvaluateWithError SecTrustEvaluateWithError "/System/Library/Frameworks/Security.framework/Versions/A/Security"
func SecTrustEvaluateWithError(trustObj CFRef) (int, error) {
var errRef CFRef
ret := syscall(abi.FuncPCABI0(x509_SecTrustEvaluateWithError_trampoline), uintptr(trustObj), uintptr(unsafe.Pointer(&errRef)), 0, 0, 0, 0)
if int32(ret) != 1 {
errStr := CFErrorCopyDescription(errRef)
err := errors.New(CFStringToString(errStr))
errCode := CFErrorGetCode(errRef)
CFRelease(errRef)
CFRelease(errStr)
return errCode, err
}
return 0, nil
}
func x509_SecTrustEvaluateWithError_trampoline()
//go:cgo_import_dynamic x509_SecTrustGetCertificateCount SecTrustGetCertificateCount "/System/Library/Frameworks/Security.framework/Versions/A/Security"
func SecTrustGetCertificateCount(trustObj CFRef) int {
ret := syscall(abi.FuncPCABI0(x509_SecTrustGetCertificateCount_trampoline), uintptr(trustObj), 0, 0, 0, 0, 0)
return int(ret)
}
func x509_SecTrustGetCertificateCount_trampoline()
//go:cgo_import_dynamic x509_SecTrustGetCertificateAtIndex SecTrustGetCertificateAtIndex "/System/Library/Frameworks/Security.framework/Versions/A/Security"
func SecTrustGetCertificateAtIndex(trustObj CFRef, i int) (CFRef, error) {
ret := syscall(abi.FuncPCABI0(x509_SecTrustGetCertificateAtIndex_trampoline), uintptr(trustObj), uintptr(i), 0, 0, 0, 0)
if ret == 0 {
return 0, OSStatus{"SecTrustGetCertificateAtIndex", int32(ret)}
}
return CFRef(ret), nil
}
func x509_SecTrustGetCertificateAtIndex_trampoline()
//go:cgo_import_dynamic x509_SecCertificateCopyData SecCertificateCopyData "/System/Library/Frameworks/Security.framework/Versions/A/Security"
func SecCertificateCopyData(cert CFRef) ([]byte, error) {
ret := syscall(abi.FuncPCABI0(x509_SecCertificateCopyData_trampoline), uintptr(cert), 0, 0, 0, 0, 0)
if ret == 0 {
return nil, errors.New("x509: invalid certificate object")
}
b := CFDataToSlice(CFRef(ret))
CFRelease(CFRef(ret))
return b, nil
}
func x509_SecCertificateCopyData_trampoline()