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error_cgo_darwin.go
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error_cgo_darwin.go
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// go-seckeychain - Native OS X Security.framework binding for Golang
// Copyright (c) 2015 Chaiwat Shuetrakoonpaiboon. All rights reserved.
//
// Use of this source code is governed by a MIT license that can be found in
// the LICENSE file.
// +build darwin,cgo
package seckeychain
// See https://developer.apple.com/library/mac/documentation/Security/Reference/keychainservices/index.html for the APIs used below.
// Also see https://developer.apple.com/library/ios/documentation/Security/Conceptual/keychainServConcepts/01introduction/introduction.html .
/*
#cgo CFLAGS: -mmacosx-version-min=10.6 -D__MAC_OS_X_VERSION_MAX_ALLOWED=1060
#cgo LDFLAGS: -framework CoreFoundation -framework Security
#include <stdlib.h>
#include <CoreFoundation/CoreFoundation.h>
#include <Security/Security.h>
*/
import "C"
import (
"fmt"
)
type keychainError C.OSStatus
// Error codes from https://developer.apple.com/library/mac/documentation/security/Reference/keychainservices/Reference/reference.html#//apple_ref/doc/uid/TP30000898-CH5g-CJBEABHG
const (
ErrUnimplemented keychainError = C.errSecUnimplemented
ErrParam keychainError = C.errSecParam
ErrAllocate keychainError = C.errSecAllocate
ErrNotAvailable keychainError = C.errSecNotAvailable
ErrReadOnly keychainError = C.errSecReadOnly
ErrAuthFailed keychainError = C.errSecAuthFailed
ErrNoSuchKeychain keychainError = C.errSecNoSuchKeychain
ErrInvalidKeychain keychainError = C.errSecInvalidKeychain
ErrDuplicateKeychain keychainError = C.errSecDuplicateKeychain
ErrDuplicateCallback keychainError = C.errSecDuplicateCallback
ErrInvalidCallback keychainError = C.errSecInvalidCallback
ErrDuplicateItem keychainError = C.errSecDuplicateItem
ErrItemNotFound keychainError = C.errSecItemNotFound
ErrBufferTooSmall keychainError = C.errSecBufferTooSmall
ErrDataTooLarge keychainError = C.errSecDataTooLarge
ErrNoSuchAttr keychainError = C.errSecNoSuchAttr
ErrInvalidItemRef keychainError = C.errSecInvalidItemRef
ErrInvalidSearchRef keychainError = C.errSecInvalidSearchRef
ErrNoSuchClass keychainError = C.errSecNoSuchClass
ErrNoDefaultKeychain keychainError = C.errSecNoDefaultKeychain
ErrReadOnlyAttr keychainError = C.errSecReadOnlyAttr
// TODO: Fill out more of these?
)
func newKeychainError(errCode C.OSStatus) error {
if errCode == C.noErr {
return nil
}
return keychainError(errCode)
}
func (ke keychainError) Error() string {
errorMessageCFString := C.SecCopyErrorMessageString(C.OSStatus(ke), nil)
defer C.CFRelease(C.CFTypeRef(errorMessageCFString))
errorMessageCString := C.CFStringGetCStringPtr(errorMessageCFString, C.kCFStringEncodingASCII)
if errorMessageCString != nil {
return C.GoString(errorMessageCString)
}
return fmt.Sprintf("keychainError with unknown error code %d", C.OSStatus(ke))
}