// Convert converts a CFTypeRef to a go instance.
func Convert(ref C.CFTypeRef) (interface{}, error) {
typeID := C.CFGetTypeID(ref)
if typeID == C.CFStringGetTypeID() {
return CFStringToString(C.CFStringRef(ref)), nil
} else if typeID == C.CFDictionaryGetTypeID() {
return ConvertCFDictionary(C.CFDictionaryRef(ref))
} else if typeID == C.CFArrayGetTypeID() {
arr := CFArrayToArray(C.CFArrayRef(ref))
results := make([]interface{}, 0, len(arr))
for _, ref := range arr {
v, err := Convert(ref)
if err != nil {
return nil, err
}
results = append(results, v)
return results, nil
}
} else if typeID == C.CFDataGetTypeID() {
b, err := CFDataToBytes(C.CFDataRef(ref))
if err != nil {
return nil, err
}
return b, nil
} else if typeID == C.CFNumberGetTypeID() {
return CFNumberToInterface(C.CFNumberRef(ref)), nil
} else if typeID == C.CFBooleanGetTypeID() {
if C.CFBooleanGetValue(C.CFBooleanRef(ref)) != 0 {
return true, nil
}
return false, nil
}
return nil, fmt.Errorf("Invalid type: %s", CFTypeDescription(ref))
}
// GetAllAccountNames returns a list of all account names for the
// given service name in the default keychain.
func GetAllAccountNames(serviceName string) (accountNames []string, err error) {
var serviceNameString C.CFStringRef
if serviceNameString, err = _UTF8StringToCFString(serviceName); err != nil {
return
}
defer C.CFRelease(C.CFTypeRef(serviceNameString))
query := map[C.CFTypeRef]C.CFTypeRef{
secClass: secClassGenericPassword,
secAttrService: C.CFTypeRef(serviceNameString),
secMatchLimit: secMatchLimitAll,
secReturnAttributes: C.CFTypeRef(C.kCFBooleanTrue),
}
queryDict := mapToCFDictionary(query)
defer C.CFRelease(C.CFTypeRef(queryDict))
var resultsRef C.CFTypeRef
errCode := C.SecItemCopyMatching(queryDict, &resultsRef)
err = newKeychainError(errCode)
if err == ErrItemNotFound {
return []string{}, nil
} else if err != nil {
return nil, err
}
defer C.CFRelease(resultsRef)
// The resultsRef should always be an array (because kSecReturnAttributes is true)
// but it's a good sanity check and useful if want to support kSecReturnRef in the future.
typeID := C.CFGetTypeID(resultsRef)
if typeID != C.CFArrayGetTypeID() {
typeDesc := C.CFCopyTypeIDDescription(typeID)
defer C.CFRelease(C.CFTypeRef(typeDesc))
err = fmt.Errorf("Invalid result type: %s", _CFStringToUTF8String(typeDesc))
return
}
results := _CFArrayToArray(C.CFArrayRef(resultsRef))
for _, result := range results {
m := _CFDictionaryToMap(C.CFDictionaryRef(result))
resultServiceName := _CFStringToUTF8String(C.CFStringRef(m[secAttrService]))
if resultServiceName != serviceName {
err = fmt.Errorf("Expected service name %s, got %s", serviceName, resultServiceName)
return
}
accountName := _CFStringToUTF8String(C.CFStringRef(m[secAttrAccount]))
accountNames = append(accountNames, accountName)
}
return
}
// QueryItem returns a list of query results.
func QueryItem(item Item) ([]QueryResult, error) {
cfDict, err := ConvertMapToCFDictionary(item.attr)
if err != nil {
return nil, err
}
defer Release(C.CFTypeRef(cfDict))
var resultsRef C.CFTypeRef
errCode := C.SecItemCopyMatching(cfDict, &resultsRef)
if Error(errCode) == ErrorItemNotFound {
return nil, nil
}
err = checkError(errCode)
if err != nil {
return nil, err
}
defer Release(resultsRef)
results := make([]QueryResult, 0, 1)
typeID := C.CFGetTypeID(resultsRef)
if typeID == C.CFArrayGetTypeID() {
arr := CFArrayToArray(C.CFArrayRef(resultsRef))
for _, dictRef := range arr {
item, err := convertResult(C.CFDictionaryRef(dictRef))
if err != nil {
return nil, err
}
results = append(results, *item)
}
} else if typeID == C.CFDictionaryGetTypeID() {
item, err := convertResult(C.CFDictionaryRef(resultsRef))
if err != nil {
return nil, err
}
results = append(results, *item)
} else if typeID == C.CFDataGetTypeID() {
b, err := CFDataToBytes(C.CFDataRef(resultsRef))
if err != nil {
return nil, err
}
item := QueryResult{Data: b}
results = append(results, item)
} else {
return nil, fmt.Errorf("Invalid result type: %s", CFTypeDescription(resultsRef))
}
return results, nil
}
// QueryItem returns a list of query results.
func QueryItem(item Item) ([]QueryResult, error) {
resultsRef, err := QueryItemRef(item)
if err != nil {
return nil, err
}
if resultsRef == nil {
return nil, nil
}
defer Release(resultsRef)
results := make([]QueryResult, 0, 1)
typeID := C.CFGetTypeID(resultsRef)
if typeID == C.CFArrayGetTypeID() {
arr := CFArrayToArray(C.CFArrayRef(resultsRef))
for _, ref := range arr {
typeID := C.CFGetTypeID(ref)
if typeID == C.CFDictionaryGetTypeID() {
item, err := convertResult(C.CFDictionaryRef(ref))
if err != nil {
return nil, err
}
results = append(results, *item)
} else {
return nil, fmt.Errorf("Invalid result type (If you SetReturnRef(true) you should use QueryItemRef directly).")
}
}
} else if typeID == C.CFDictionaryGetTypeID() {
item, err := convertResult(C.CFDictionaryRef(resultsRef))
if err != nil {
return nil, err
}
results = append(results, *item)
} else if typeID == C.CFDataGetTypeID() {
b, err := CFDataToBytes(C.CFDataRef(resultsRef))
if err != nil {
return nil, err
}
item := QueryResult{Data: b}
results = append(results, item)
} else {
return nil, fmt.Errorf("Invalid result type: %s", CFTypeDescription(resultsRef))
}
return results, nil
}
// we shouldn't ever get an error from this, but I'd rather not panic
func convertCFTypeToInterface(cfType cfTypeRef) (interface{}, error) {
typeId := C.CFGetTypeID(C.CFTypeRef(cfType))
switch typeId {
case C.CFStringGetTypeID():
return convertCFStringToString(C.CFStringRef(cfType)), nil
case C.CFNumberGetTypeID():
return convertCFNumberToInterface(C.CFNumberRef(cfType)), nil
case C.CFBooleanGetTypeID():
return convertCFBooleanToBool(C.CFBooleanRef(cfType)), nil
case C.CFDataGetTypeID():
return convertCFDataToBytes(C.CFDataRef(cfType)), nil
case C.CFDateGetTypeID():
return convertCFDateToTime(C.CFDateRef(cfType)), nil
case C.CFArrayGetTypeID():
ary, err := convertCFArrayToSlice(C.CFArrayRef(cfType))
return ary, err
case C.CFDictionaryGetTypeID():
dict, err := convertCFDictionaryToMap(C.CFDictionaryRef(cfType))
return dict, err
}
return nil, &UnknownCFTypeError{typeId}
}
if rv.Kind() != reflect.Ptr || rv.IsNil() {
return format, &InvalidUnmarshalError{reflect.TypeOf(v)}
}
state := &unmarshalState{}
if err := state.unmarshalValue(cfObj, rv); err != nil {
return format, err
}
return format, state.err
}
type unmarshalState struct {
err error
}
var (
cfArrayTypeID = C.CFArrayGetTypeID()
cfBooleanTypeID = C.CFBooleanGetTypeID()
cfDataTypeID = C.CFDataGetTypeID()
cfDateTypeID = C.CFDateGetTypeID()
cfDictionaryTypeID = C.CFDictionaryGetTypeID()
cfNumberTypeID = C.CFNumberGetTypeID()
cfStringTypeID = C.CFStringGetTypeID()
)
var cfTypeMap = map[C.CFTypeID]reflect.Type{
cfArrayTypeID: reflect.TypeOf([]interface{}(nil)),
cfBooleanTypeID: reflect.TypeOf(false),
cfDataTypeID: reflect.TypeOf([]byte(nil)),
cfDateTypeID: reflect.TypeOf(time.Time{}),
cfDictionaryTypeID: reflect.TypeOf(map[string]interface{}(nil)),
cfStringTypeID: reflect.TypeOf(""),
