Add vendor folder to git

vendor/github.com/coreos/etcd/auth/authpb/auth.pb.go

@@ -0,0 +1,824 @@
+// Code generated by protoc-gen-gogo.
+// source: auth.proto
+// DO NOT EDIT!
+
+/*
+	Package authpb is a generated protocol buffer package.
+
+	It is generated from these files:
+		auth.proto
+
+	It has these top-level messages:
+		User
+		Permission
+		Role
+*/
+package authpb
+
+import (
+	"fmt"
+
+	proto "github.com/golang/protobuf/proto"
+
+	math "math"
+
+	io "io"
+)
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the proto package it is being compiled against.
+// A compilation error at this line likely means your copy of the
+// proto package needs to be updated.
+const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
+
+type Permission_Type int32
+
+const (
+	READ      Permission_Type = 0
+	WRITE     Permission_Type = 1
+	READWRITE Permission_Type = 2
+)
+
+var Permission_Type_name = map[int32]string{
+	0: "READ",
+	1: "WRITE",
+	2: "READWRITE",
+}
+var Permission_Type_value = map[string]int32{
+	"READ":      0,
+	"WRITE":     1,
+	"READWRITE": 2,
+}
+
+func (x Permission_Type) String() string {
+	return proto.EnumName(Permission_Type_name, int32(x))
+}
+func (Permission_Type) EnumDescriptor() ([]byte, []int) { return fileDescriptorAuth, []int{1, 0} }
+
+// User is a single entry in the bucket authUsers
+type User struct {
+	Name     []byte   `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+	Password []byte   `protobuf:"bytes,2,opt,name=password,proto3" json:"password,omitempty"`
+	Roles    []string `protobuf:"bytes,3,rep,name=roles" json:"roles,omitempty"`
+}
+
+func (m *User) Reset()                    { *m = User{} }
+func (m *User) String() string            { return proto.CompactTextString(m) }
+func (*User) ProtoMessage()               {}
+func (*User) Descriptor() ([]byte, []int) { return fileDescriptorAuth, []int{0} }
+
+// Permission is a single entity
+type Permission struct {
+	PermType Permission_Type `protobuf:"varint,1,opt,name=permType,proto3,enum=authpb.Permission_Type" json:"permType,omitempty"`
+	Key      []byte          `protobuf:"bytes,2,opt,name=key,proto3" json:"key,omitempty"`
+	RangeEnd []byte          `protobuf:"bytes,3,opt,name=range_end,json=rangeEnd,proto3" json:"range_end,omitempty"`
+}
+
+func (m *Permission) Reset()                    { *m = Permission{} }
+func (m *Permission) String() string            { return proto.CompactTextString(m) }
+func (*Permission) ProtoMessage()               {}
+func (*Permission) Descriptor() ([]byte, []int) { return fileDescriptorAuth, []int{1} }
+
+// Role is a single entry in the bucket authRoles
+type Role struct {
+	Name          []byte        `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+	KeyPermission []*Permission `protobuf:"bytes,2,rep,name=keyPermission" json:"keyPermission,omitempty"`
+}
+
+func (m *Role) Reset()                    { *m = Role{} }
+func (m *Role) String() string            { return proto.CompactTextString(m) }
+func (*Role) ProtoMessage()               {}
+func (*Role) Descriptor() ([]byte, []int) { return fileDescriptorAuth, []int{2} }
+
+func init() {
+	proto.RegisterType((*User)(nil), "authpb.User")
+	proto.RegisterType((*Permission)(nil), "authpb.Permission")
+	proto.RegisterType((*Role)(nil), "authpb.Role")
+	proto.RegisterEnum("authpb.Permission_Type", Permission_Type_name, Permission_Type_value)
+}
+func (m *User) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *User) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.Name) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintAuth(dAtA, i, uint64(len(m.Name)))
+		i += copy(dAtA[i:], m.Name)
+	}
+	if len(m.Password) > 0 {
+		dAtA[i] = 0x12
+		i++
+		i = encodeVarintAuth(dAtA, i, uint64(len(m.Password)))
+		i += copy(dAtA[i:], m.Password)
+	}
+	if len(m.Roles) > 0 {
+		for _, s := range m.Roles {
+			dAtA[i] = 0x1a
+			i++
+			l = len(s)
+			for l >= 1<<7 {
+				dAtA[i] = uint8(uint64(l)&0x7f | 0x80)
+				l >>= 7
+				i++
+			}
+			dAtA[i] = uint8(l)
+			i++
+			i += copy(dAtA[i:], s)
+		}
+	}
+	return i, nil
+}
+
+func (m *Permission) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *Permission) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if m.PermType != 0 {
+		dAtA[i] = 0x8
+		i++
+		i = encodeVarintAuth(dAtA, i, uint64(m.PermType))
+	}
+	if len(m.Key) > 0 {
+		dAtA[i] = 0x12
+		i++
+		i = encodeVarintAuth(dAtA, i, uint64(len(m.Key)))
+		i += copy(dAtA[i:], m.Key)
+	}
+	if len(m.RangeEnd) > 0 {
+		dAtA[i] = 0x1a
+		i++
+		i = encodeVarintAuth(dAtA, i, uint64(len(m.RangeEnd)))
+		i += copy(dAtA[i:], m.RangeEnd)
+	}
+	return i, nil
+}
+
+func (m *Role) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *Role) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.Name) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintAuth(dAtA, i, uint64(len(m.Name)))
+		i += copy(dAtA[i:], m.Name)
+	}
+	if len(m.KeyPermission) > 0 {
+		for _, msg := range m.KeyPermission {
+			dAtA[i] = 0x12
+			i++
+			i = encodeVarintAuth(dAtA, i, uint64(msg.Size()))
+			n, err := msg.MarshalTo(dAtA[i:])
+			if err != nil {
+				return 0, err
+			}
+			i += n
+		}
+	}
+	return i, nil
+}
+
+func encodeFixed64Auth(dAtA []byte, offset int, v uint64) int {
+	dAtA[offset] = uint8(v)
+	dAtA[offset+1] = uint8(v >> 8)
+	dAtA[offset+2] = uint8(v >> 16)
+	dAtA[offset+3] = uint8(v >> 24)
+	dAtA[offset+4] = uint8(v >> 32)
+	dAtA[offset+5] = uint8(v >> 40)
+	dAtA[offset+6] = uint8(v >> 48)
+	dAtA[offset+7] = uint8(v >> 56)
+	return offset + 8
+}
+func encodeFixed32Auth(dAtA []byte, offset int, v uint32) int {
+	dAtA[offset] = uint8(v)
+	dAtA[offset+1] = uint8(v >> 8)
+	dAtA[offset+2] = uint8(v >> 16)
+	dAtA[offset+3] = uint8(v >> 24)
+	return offset + 4
+}
+func encodeVarintAuth(dAtA []byte, offset int, v uint64) int {
+	for v >= 1<<7 {
+		dAtA[offset] = uint8(v&0x7f | 0x80)
+		v >>= 7
+		offset++
+	}
+	dAtA[offset] = uint8(v)
+	return offset + 1
+}
+func (m *User) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.Name)
+	if l > 0 {
+		n += 1 + l + sovAuth(uint64(l))
+	}
+	l = len(m.Password)
+	if l > 0 {
+		n += 1 + l + sovAuth(uint64(l))
+	}
+	if len(m.Roles) > 0 {
+		for _, s := range m.Roles {
+			l = len(s)
+			n += 1 + l + sovAuth(uint64(l))
+		}
+	}
+	return n
+}
+
+func (m *Permission) Size() (n int) {
+	var l int
+	_ = l
+	if m.PermType != 0 {
+		n += 1 + sovAuth(uint64(m.PermType))
+	}
+	l = len(m.Key)
+	if l > 0 {
+		n += 1 + l + sovAuth(uint64(l))
+	}
+	l = len(m.RangeEnd)
+	if l > 0 {
+		n += 1 + l + sovAuth(uint64(l))
+	}
+	return n
+}
+
+func (m *Role) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.Name)
+	if l > 0 {
+		n += 1 + l + sovAuth(uint64(l))
+	}
+	if len(m.KeyPermission) > 0 {
+		for _, e := range m.KeyPermission {
+			l = e.Size()
+			n += 1 + l + sovAuth(uint64(l))
+		}
+	}
+	return n
+}
+
+func sovAuth(x uint64) (n int) {
+	for {
+		n++
+		x >>= 7
+		if x == 0 {
+			break
+		}
+	}
+	return n
+}
+func sozAuth(x uint64) (n int) {
+	return sovAuth(uint64((x << 1) ^ uint64((int64(x) >> 63))))
+}
+func (m *User) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowAuth
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: User: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: User: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Name", wireType)
+			}
+			var byteLen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowAuth
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				byteLen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if byteLen < 0 {
+				return ErrInvalidLengthAuth
+			}
+			postIndex := iNdEx + byteLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Name = append(m.Name[:0], dAtA[iNdEx:postIndex]...)
+			if m.Name == nil {
+				m.Name = []byte{}
+			}
+			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Password", wireType)
+			}
+			var byteLen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowAuth
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				byteLen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if byteLen < 0 {
+				return ErrInvalidLengthAuth
+			}
+			postIndex := iNdEx + byteLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Password = append(m.Password[:0], dAtA[iNdEx:postIndex]...)
+			if m.Password == nil {
+				m.Password = []byte{}
+			}
+			iNdEx = postIndex
+		case 3:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Roles", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowAuth
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthAuth
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Roles = append(m.Roles, string(dAtA[iNdEx:postIndex]))
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipAuth(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthAuth
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *Permission) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowAuth
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: Permission: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: Permission: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field PermType", wireType)
+			}
+			m.PermType = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowAuth
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.PermType |= (Permission_Type(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Key", wireType)
+			}
+			var byteLen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowAuth
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				byteLen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if byteLen < 0 {
+				return ErrInvalidLengthAuth
+			}
+			postIndex := iNdEx + byteLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Key = append(m.Key[:0], dAtA[iNdEx:postIndex]...)
+			if m.Key == nil {
+				m.Key = []byte{}
+			}
+			iNdEx = postIndex
+		case 3:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field RangeEnd", wireType)
+			}
+			var byteLen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowAuth
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				byteLen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if byteLen < 0 {
+				return ErrInvalidLengthAuth
+			}
+			postIndex := iNdEx + byteLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.RangeEnd = append(m.RangeEnd[:0], dAtA[iNdEx:postIndex]...)
+			if m.RangeEnd == nil {
+				m.RangeEnd = []byte{}
+			}
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipAuth(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthAuth
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *Role) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowAuth
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: Role: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: Role: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Name", wireType)
+			}
+			var byteLen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowAuth
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				byteLen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if byteLen < 0 {
+				return ErrInvalidLengthAuth
+			}
+			postIndex := iNdEx + byteLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Name = append(m.Name[:0], dAtA[iNdEx:postIndex]...)
+			if m.Name == nil {
+				m.Name = []byte{}
+			}
+			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field KeyPermission", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowAuth
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthAuth
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.KeyPermission = append(m.KeyPermission, &Permission{})
+			if err := m.KeyPermission[len(m.KeyPermission)-1].Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipAuth(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthAuth
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func skipAuth(dAtA []byte) (n int, err error) {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return 0, ErrIntOverflowAuth
+			}
+			if iNdEx >= l {
+				return 0, io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		wireType := int(wire & 0x7)
+		switch wireType {
+		case 0:
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowAuth
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				iNdEx++
+				if dAtA[iNdEx-1] < 0x80 {
+					break
+				}
+			}
+			return iNdEx, nil
+		case 1:
+			iNdEx += 8
+			return iNdEx, nil
+		case 2:
+			var length int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowAuth
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				length |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			iNdEx += length
+			if length < 0 {
+				return 0, ErrInvalidLengthAuth
+			}
+			return iNdEx, nil
+		case 3:
+			for {
+				var innerWire uint64
+				var start int = iNdEx
+				for shift := uint(0); ; shift += 7 {
+					if shift >= 64 {
+						return 0, ErrIntOverflowAuth
+					}
+					if iNdEx >= l {
+						return 0, io.ErrUnexpectedEOF
+					}
+					b := dAtA[iNdEx]
+					iNdEx++
+					innerWire |= (uint64(b) & 0x7F) << shift
+					if b < 0x80 {
+						break
+					}
+				}
+				innerWireType := int(innerWire & 0x7)
+				if innerWireType == 4 {
+					break
+				}
+				next, err := skipAuth(dAtA[start:])
+				if err != nil {
+					return 0, err
+				}
+				iNdEx = start + next
+			}
+			return iNdEx, nil
+		case 4:
+			return iNdEx, nil
+		case 5:
+			iNdEx += 4
+			return iNdEx, nil
+		default:
+			return 0, fmt.Errorf("proto: illegal wireType %d", wireType)
+		}
+	}
+	panic("unreachable")
+}
+
+var (
+	ErrInvalidLengthAuth = fmt.Errorf("proto: negative length found during unmarshaling")
+	ErrIntOverflowAuth   = fmt.Errorf("proto: integer overflow")
+)
+
+func init() { proto.RegisterFile("auth.proto", fileDescriptorAuth) }
+
+var fileDescriptorAuth = []byte{
+	// 288 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0x6c, 0x90, 0xc1, 0x4a, 0xc3, 0x30,
+	0x1c, 0xc6, 0x9b, 0xb6, 0x1b, 0xed, 0x5f, 0x27, 0x25, 0x0c, 0x0c, 0x13, 0x42, 0xe9, 0xa9, 0x78,
+	0xa8, 0xb0, 0x5d, 0xbc, 0x2a, 0xf6, 0x20, 0x78, 0x90, 0x50, 0xf1, 0x28, 0x1d, 0x0d, 0x75, 0x6c,
+	0x6d, 0x4a, 0x32, 0x91, 0xbe, 0x89, 0x07, 0x1f, 0x68, 0xc7, 0x3d, 0x82, 0xab, 0x2f, 0x22, 0x4d,
+	0x64, 0x43, 0xdc, 0xed, 0xfb, 0xbe, 0xff, 0x97, 0xe4, 0x97, 0x3f, 0x40, 0xfe, 0xb6, 0x7e, 0x4d,
+	0x1a, 0x29, 0xd6, 0x02, 0x0f, 0x7b, 0xdd, 0xcc, 0x27, 0xe3, 0x52, 0x94, 0x42, 0x47, 0x57, 0xbd,
+	0x32, 0xd3, 0xe8, 0x01, 0xdc, 0x27, 0xc5, 0x25, 0xc6, 0xe0, 0xd6, 0x79, 0xc5, 0x09, 0x0a, 0x51,
+	0x7c, 0xca, 0xb4, 0xc6, 0x13, 0xf0, 0x9a, 0x5c, 0xa9, 0x77, 0x21, 0x0b, 0x62, 0xeb, 0x7c, 0xef,
+	0xf1, 0x18, 0x06, 0x52, 0xac, 0xb8, 0x22, 0x4e, 0xe8, 0xc4, 0x3e, 0x33, 0x26, 0xfa, 0x44, 0x00,
+	0x8f, 0x5c, 0x56, 0x0b, 0xa5, 0x16, 0xa2, 0xc6, 0x33, 0xf0, 0x1a, 0x2e, 0xab, 0xac, 0x6d, 0xcc,
+	0xc5, 0x67, 0xd3, 0xf3, 0xc4, 0xd0, 0x24, 0x87, 0x56, 0xd2, 0x8f, 0xd9, 0xbe, 0x88, 0x03, 0x70,
+	0x96, 0xbc, 0xfd, 0x7d, 0xb0, 0x97, 0xf8, 0x02, 0x7c, 0x99, 0xd7, 0x25, 0x7f, 0xe1, 0x75, 0x41,
+	0x1c, 0x03, 0xa2, 0x83, 0xb4, 0x2e, 0xa2, 0x4b, 0x70, 0xf5, 0x31, 0x0f, 0x5c, 0x96, 0xde, 0xdc,
+	0x05, 0x16, 0xf6, 0x61, 0xf0, 0xcc, 0xee, 0xb3, 0x34, 0x40, 0x78, 0x04, 0x7e, 0x1f, 0x1a, 0x6b,
+	0x47, 0x19, 0xb8, 0x4c, 0xac, 0xf8, 0xd1, 0xcf, 0x5e, 0xc3, 0x68, 0xc9, 0xdb, 0x03, 0x16, 0xb1,
+	0x43, 0x27, 0x3e, 0x99, 0xe2, 0xff, 0xc0, 0xec, 0x6f, 0xf1, 0x96, 0x6c, 0x76, 0xd4, 0xda, 0xee,
+	0xa8, 0xb5, 0xe9, 0x28, 0xda, 0x76, 0x14, 0x7d, 0x75, 0x14, 0x7d, 0x7c, 0x53, 0x6b, 0x3e, 0xd4,
+	0x3b, 0x9e, 0xfd, 0x04, 0x00, 0x00, 0xff, 0xff, 0xcc, 0x76, 0x8d, 0x4f, 0x8f, 0x01, 0x00, 0x00,
+}

vendor/github.com/coreos/etcd/auth/authpb/auth.proto

@@ -0,0 +1,37 @@
+syntax = "proto3";
+package authpb;
+
+import "gogoproto/gogo.proto";
+
+option (gogoproto.marshaler_all) = true;
+option (gogoproto.sizer_all) = true;
+option (gogoproto.unmarshaler_all) = true;
+option (gogoproto.goproto_getters_all) = false;
+option (gogoproto.goproto_enum_prefix_all) = false;
+
+// User is a single entry in the bucket authUsers
+message User {
+  bytes name = 1;
+  bytes password = 2;
+  repeated string roles = 3;
+}
+
+// Permission is a single entity
+message Permission {
+  enum Type {
+    READ = 0;
+    WRITE = 1;
+    READWRITE = 2;
+  }
+  Type permType = 1;
+
+  bytes key = 2;
+  bytes range_end = 3;
+}
+
+// Role is a single entry in the bucket authRoles
+message Role {
+  bytes name = 1;
+
+  repeated Permission keyPermission = 2;
+}

vendor/github.com/coreos/etcd/auth/doc.go

@@ -0,0 +1,16 @@
+// Copyright 2016 The etcd Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Package auth provides client role authentication for accessing keys in etcd.
+package auth

vendor/github.com/coreos/etcd/auth/range_perm_cache.go

@@ -0,0 +1,221 @@
+// Copyright 2016 The etcd Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package auth
+
+import (
+	"bytes"
+	"sort"
+
+	"github.com/coreos/etcd/auth/authpb"
+	"github.com/coreos/etcd/mvcc/backend"
+)
+
+// isSubset returns true if a is a subset of b.
+// If a is a prefix of b, then a is a subset of b.
+// Given intervals [a1,a2) and [b1,b2), is
+// the a interval a subset of b?
+func isSubset(a, b *rangePerm) bool {
+	switch {
+	case len(a.end) == 0 && len(b.end) == 0:
+		// a, b are both keys
+		return bytes.Equal(a.begin, b.begin)
+	case len(b.end) == 0:
+		// b is a key, a is a range
+		return false
+	case len(a.end) == 0:
+		// a is a key, b is a range. need b1 <= a1 and a1 < b2
+		return bytes.Compare(b.begin, a.begin) <= 0 && bytes.Compare(a.begin, b.end) < 0
+	default:
+		// both are ranges. need b1 <= a1 and a2 <= b2
+		return bytes.Compare(b.begin, a.begin) <= 0 && bytes.Compare(a.end, b.end) <= 0
+	}
+}
+
+func isRangeEqual(a, b *rangePerm) bool {
+	return bytes.Equal(a.begin, b.begin) && bytes.Equal(a.end, b.end)
+}
+
+// removeSubsetRangePerms removes any rangePerms that are subsets of other rangePerms.
+// If there are equal ranges, removeSubsetRangePerms only keeps one of them.
+// It returns a sorted rangePerm slice.
+func removeSubsetRangePerms(perms []*rangePerm) (newp []*rangePerm) {
+	sort.Sort(RangePermSliceByBegin(perms))
+	var prev *rangePerm
+	for i := range perms {
+		if i == 0 {
+			prev = perms[i]
+			newp = append(newp, perms[i])
+			continue
+		}
+		if isRangeEqual(perms[i], prev) {
+			continue
+		}
+		if isSubset(perms[i], prev) {
+			continue
+		}
+		if isSubset(prev, perms[i]) {
+			prev = perms[i]
+			newp[len(newp)-1] = perms[i]
+			continue
+		}
+		prev = perms[i]
+		newp = append(newp, perms[i])
+	}
+	return newp
+}
+
+// mergeRangePerms merges adjacent rangePerms.
+func mergeRangePerms(perms []*rangePerm) []*rangePerm {
+	var merged []*rangePerm
+	perms = removeSubsetRangePerms(perms)
+
+	i := 0
+	for i < len(perms) {
+		begin, next := i, i
+		for next+1 < len(perms) && bytes.Compare(perms[next].end, perms[next+1].begin) >= 0 {
+			next++
+		}
+		// don't merge ["a", "b") with ["b", ""), because perms[next+1].end is empty.
+		if next != begin && len(perms[next].end) > 0 {
+			merged = append(merged, &rangePerm{begin: perms[begin].begin, end: perms[next].end})
+		} else {
+			merged = append(merged, perms[begin])
+			if next != begin {
+				merged = append(merged, perms[next])
+			}
+		}
+		i = next + 1
+	}
+
+	return merged
+}
+
+func getMergedPerms(tx backend.BatchTx, userName string) *unifiedRangePermissions {
+	user := getUser(tx, userName)
+	if user == nil {
+		plog.Errorf("invalid user name %s", userName)
+		return nil
+	}
+
+	var readPerms, writePerms []*rangePerm
+
+	for _, roleName := range user.Roles {
+		role := getRole(tx, roleName)
+		if role == nil {
+			continue
+		}
+
+		for _, perm := range role.KeyPermission {
+			rp := &rangePerm{begin: perm.Key, end: perm.RangeEnd}
+
+			switch perm.PermType {
+			case authpb.READWRITE:
+				readPerms = append(readPerms, rp)
+				writePerms = append(writePerms, rp)
+
+			case authpb.READ:
+				readPerms = append(readPerms, rp)
+
+			case authpb.WRITE:
+				writePerms = append(writePerms, rp)
+			}
+		}
+	}
+
+	return &unifiedRangePermissions{
+		readPerms:  mergeRangePerms(readPerms),
+		writePerms: mergeRangePerms(writePerms),
+	}
+}
+
+func checkKeyPerm(cachedPerms *unifiedRangePermissions, key, rangeEnd []byte, permtyp authpb.Permission_Type) bool {
+	var tocheck []*rangePerm
+
+	switch permtyp {
+	case authpb.READ:
+		tocheck = cachedPerms.readPerms
+	case authpb.WRITE:
+		tocheck = cachedPerms.writePerms
+	default:
+		plog.Panicf("unknown auth type: %v", permtyp)
+	}
+
+	requiredPerm := &rangePerm{begin: key, end: rangeEnd}
+
+	for _, perm := range tocheck {
+		if isSubset(requiredPerm, perm) {
+			return true
+		}
+	}
+
+	return false
+}
+
+func (as *authStore) isRangeOpPermitted(tx backend.BatchTx, userName string, key, rangeEnd []byte, permtyp authpb.Permission_Type) bool {
+	// assumption: tx is Lock()ed
+	_, ok := as.rangePermCache[userName]
+	if !ok {
+		perms := getMergedPerms(tx, userName)
+		if perms == nil {
+			plog.Errorf("failed to create a unified permission of user %s", userName)
+			return false
+		}
+		as.rangePermCache[userName] = perms
+	}
+
+	return checkKeyPerm(as.rangePermCache[userName], key, rangeEnd, permtyp)
+}
+
+func (as *authStore) clearCachedPerm() {
+	as.rangePermCache = make(map[string]*unifiedRangePermissions)
+}
+
+func (as *authStore) invalidateCachedPerm(userName string) {
+	delete(as.rangePermCache, userName)
+}
+
+type unifiedRangePermissions struct {
+	// readPerms[i] and readPerms[j] (i != j) don't overlap
+	readPerms []*rangePerm
+	// writePerms[i] and writePerms[j] (i != j) don't overlap, too
+	writePerms []*rangePerm
+}
+
+type rangePerm struct {
+	begin, end []byte
+}
+
+type RangePermSliceByBegin []*rangePerm
+
+func (slice RangePermSliceByBegin) Len() int {
+	return len(slice)
+}
+
+func (slice RangePermSliceByBegin) Less(i, j int) bool {
+	switch bytes.Compare(slice[i].begin, slice[j].begin) {
+	case 0: // begin(i) == begin(j)
+		return bytes.Compare(slice[i].end, slice[j].end) == -1
+
+	case -1: // begin(i) < begin(j)
+		return true
+
+	default:
+		return false
+	}
+}
+
+func (slice RangePermSliceByBegin) Swap(i, j int) {
+	slice[i], slice[j] = slice[j], slice[i]
+}

vendor/github.com/coreos/etcd/auth/range_perm_cache_test.go

@@ -0,0 +1,179 @@
+// Copyright 2016 The etcd Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package auth
+
+import (
+	"bytes"
+	"fmt"
+	"reflect"
+	"testing"
+)
+
+func isPermsEqual(a, b []*rangePerm) bool {
+	if len(a) != len(b) {
+		return false
+	}
+
+	for i := range a {
+		if len(b) <= i {
+			return false
+		}
+
+		if !bytes.Equal(a[i].begin, b[i].begin) || !bytes.Equal(a[i].end, b[i].end) {
+			return false
+		}
+	}
+
+	return true
+}
+
+func TestGetMergedPerms(t *testing.T) {
+	tests := []struct {
+		params []*rangePerm
+		want   []*rangePerm
+	}{
+		{
+			[]*rangePerm{{[]byte("a"), []byte("b")}},
+			[]*rangePerm{{[]byte("a"), []byte("b")}},
+		},
+		{
+			[]*rangePerm{{[]byte("a"), []byte("b")}, {[]byte("b"), []byte("")}},
+			[]*rangePerm{{[]byte("a"), []byte("b")}, {[]byte("b"), []byte("")}},
+		},
+		{
+			[]*rangePerm{{[]byte("a"), []byte("b")}, {[]byte("b"), []byte("c")}},
+			[]*rangePerm{{[]byte("a"), []byte("c")}},
+		},
+		{
+			[]*rangePerm{{[]byte("a"), []byte("c")}, {[]byte("b"), []byte("d")}},
+			[]*rangePerm{{[]byte("a"), []byte("d")}},
+		},
+		{
+			[]*rangePerm{{[]byte("a"), []byte("b")}, {[]byte("b"), []byte("c")}, {[]byte("d"), []byte("e")}},
+			[]*rangePerm{{[]byte("a"), []byte("c")}, {[]byte("d"), []byte("e")}},
+		},
+		{
+			[]*rangePerm{{[]byte("a"), []byte("b")}, {[]byte("c"), []byte("d")}, {[]byte("e"), []byte("f")}},
+			[]*rangePerm{{[]byte("a"), []byte("b")}, {[]byte("c"), []byte("d")}, {[]byte("e"), []byte("f")}},
+		},
+		{
+			[]*rangePerm{{[]byte("e"), []byte("f")}, {[]byte("c"), []byte("d")}, {[]byte("a"), []byte("b")}},
+			[]*rangePerm{{[]byte("a"), []byte("b")}, {[]byte("c"), []byte("d")}, {[]byte("e"), []byte("f")}},
+		},
+		{
+			[]*rangePerm{{[]byte("a"), []byte("b")}, {[]byte("c"), []byte("d")}, {[]byte("a"), []byte("z")}},
+			[]*rangePerm{{[]byte("a"), []byte("z")}},
+		},
+		{
+			[]*rangePerm{{[]byte("a"), []byte("b")}, {[]byte("c"), []byte("d")}, {[]byte("a"), []byte("z")}, {[]byte("1"), []byte("9")}},
+			[]*rangePerm{{[]byte("1"), []byte("9")}, {[]byte("a"), []byte("z")}},
+		},
+		{
+			[]*rangePerm{{[]byte("a"), []byte("b")}, {[]byte("c"), []byte("d")}, {[]byte("a"), []byte("z")}, {[]byte("1"), []byte("a")}},
+			[]*rangePerm{{[]byte("1"), []byte("z")}},
+		},
+		{
+			[]*rangePerm{{[]byte("a"), []byte("b")}, {[]byte("a"), []byte("z")}, {[]byte("5"), []byte("6")}, {[]byte("1"), []byte("9")}},
+			[]*rangePerm{{[]byte("1"), []byte("9")}, {[]byte("a"), []byte("z")}},
+		},
+		{
+			[]*rangePerm{{[]byte("a"), []byte("b")}, {[]byte("b"), []byte("c")}, {[]byte("c"), []byte("d")}, {[]byte("d"), []byte("f")}, {[]byte("1"), []byte("9")}},
+			[]*rangePerm{{[]byte("1"), []byte("9")}, {[]byte("a"), []byte("f")}},
+		},
+		// overlapping
+		{
+			[]*rangePerm{{[]byte("a"), []byte("f")}, {[]byte("b"), []byte("g")}},
+			[]*rangePerm{{[]byte("a"), []byte("g")}},
+		},
+		// keys
+		{
+			[]*rangePerm{{[]byte("a"), []byte("")}, {[]byte("b"), []byte("")}},
+			[]*rangePerm{{[]byte("a"), []byte("")}, {[]byte("b"), []byte("")}},
+		},
+		{
+			[]*rangePerm{{[]byte("a"), []byte("")}, {[]byte("a"), []byte("c")}},
+			[]*rangePerm{{[]byte("a"), []byte("c")}},
+		},
+		{
+			[]*rangePerm{{[]byte("a"), []byte("")}, {[]byte("a"), []byte("c")}, {[]byte("b"), []byte("")}},
+			[]*rangePerm{{[]byte("a"), []byte("c")}},
+		},
+		{
+			[]*rangePerm{{[]byte("a"), []byte("")}, {[]byte("b"), []byte("c")}, {[]byte("b"), []byte("")}, {[]byte("c"), []byte("")}, {[]byte("d"), []byte("")}},
+			[]*rangePerm{{[]byte("a"), []byte("")}, {[]byte("b"), []byte("c")}, {[]byte("c"), []byte("")}, {[]byte("d"), []byte("")}},
+		},
+		// duplicate ranges
+		{
+			[]*rangePerm{{[]byte("a"), []byte("f")}, {[]byte("a"), []byte("f")}},
+			[]*rangePerm{{[]byte("a"), []byte("f")}},
+		},
+		// duplicate keys
+		{
+			[]*rangePerm{{[]byte("a"), []byte("")}, {[]byte("a"), []byte("")}, {[]byte("a"), []byte("")}},
+			[]*rangePerm{{[]byte("a"), []byte("")}},
+		},
+	}
+
+	for i, tt := range tests {
+		result := mergeRangePerms(tt.params)
+		if !isPermsEqual(result, tt.want) {
+			t.Errorf("#%d: result=%q, want=%q", i, result, tt.want)
+		}
+	}
+}
+
+func TestRemoveSubsetRangePerms(t *testing.T) {
+	tests := []struct {
+		perms  []*rangePerm
+		expect []*rangePerm
+	}{
+		{ // subsets converge
+			[]*rangePerm{{[]byte{2}, []byte{3}}, {[]byte{2}, []byte{5}}, {[]byte{1}, []byte{4}}},
+			[]*rangePerm{{[]byte{1}, []byte{4}}, {[]byte{2}, []byte{5}}},
+		},
+		{ // subsets converge
+			[]*rangePerm{{[]byte{0}, []byte{3}}, {[]byte{0}, []byte{1}}, {[]byte{2}, []byte{4}}, {[]byte{0}, []byte{2}}},
+			[]*rangePerm{{[]byte{0}, []byte{3}}, {[]byte{2}, []byte{4}}},
+		},
+		{ // biggest range at the end
+			[]*rangePerm{{[]byte{2}, []byte{3}}, {[]byte{0}, []byte{2}}, {[]byte{1}, []byte{4}}, {[]byte{0}, []byte{5}}},
+			[]*rangePerm{{[]byte{0}, []byte{5}}},
+		},
+		{ // biggest range at the beginning
+			[]*rangePerm{{[]byte{0}, []byte{5}}, {[]byte{2}, []byte{3}}, {[]byte{0}, []byte{2}}, {[]byte{1}, []byte{4}}},
+			[]*rangePerm{{[]byte{0}, []byte{5}}},
+		},
+		{ // no overlapping ranges
+			[]*rangePerm{{[]byte{2}, []byte{3}}, {[]byte{0}, []byte{1}}, {[]byte{4}, []byte{7}}, {[]byte{8}, []byte{15}}},
+			[]*rangePerm{{[]byte{0}, []byte{1}}, {[]byte{2}, []byte{3}}, {[]byte{4}, []byte{7}}, {[]byte{8}, []byte{15}}},
+		},
+	}
+	for i, tt := range tests {
+		rs := removeSubsetRangePerms(tt.perms)
+		if !reflect.DeepEqual(rs, tt.expect) {
+			t.Fatalf("#%d: unexpected rangePerms %q, got %q", i, printPerms(rs), printPerms(tt.expect))
+		}
+	}
+}
+
+func printPerms(rs []*rangePerm) (txt string) {
+	for i, p := range rs {
+		if i != 0 {
+			txt += ","
+		}
+		txt += fmt.Sprintf("%+v", *p)
+	}
+	return
+}

vendor/github.com/coreos/etcd/auth/simple_token.go

@@ -0,0 +1,144 @@
+// Copyright 2016 The etcd Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package auth
+
+// CAUTION: This randum number based token mechanism is only for testing purpose.
+// JWT based mechanism will be added in the near future.
+
+import (
+	"crypto/rand"
+	"math/big"
+	"strings"
+	"sync"
+	"time"
+)
+
+const (
+	letters                  = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
+	defaultSimpleTokenLength = 16
+)
+
+// var for testing purposes
+var (
+	simpleTokenTTL           = 5 * time.Minute
+	simpleTokenTTLResolution = 1 * time.Second
+)
+
+type simpleTokenTTLKeeper struct {
+	tokensMu        sync.Mutex
+	tokens          map[string]time.Time
+	stopCh          chan chan struct{}
+	deleteTokenFunc func(string)
+}
+
+func NewSimpleTokenTTLKeeper(deletefunc func(string)) *simpleTokenTTLKeeper {
+	stk := &simpleTokenTTLKeeper{
+		tokens:          make(map[string]time.Time),
+		stopCh:          make(chan chan struct{}),
+		deleteTokenFunc: deletefunc,
+	}
+	go stk.run()
+	return stk
+}
+
+func (tm *simpleTokenTTLKeeper) stop() {
+	waitCh := make(chan struct{})
+	tm.stopCh <- waitCh
+	<-waitCh
+	close(tm.stopCh)
+}
+
+func (tm *simpleTokenTTLKeeper) addSimpleToken(token string) {
+	tm.tokens[token] = time.Now().Add(simpleTokenTTL)
+}
+
+func (tm *simpleTokenTTLKeeper) resetSimpleToken(token string) {
+	if _, ok := tm.tokens[token]; ok {
+		tm.tokens[token] = time.Now().Add(simpleTokenTTL)
+	}
+}
+
+func (tm *simpleTokenTTLKeeper) deleteSimpleToken(token string) {
+	delete(tm.tokens, token)
+}
+
+func (tm *simpleTokenTTLKeeper) run() {
+	tokenTicker := time.NewTicker(simpleTokenTTLResolution)
+	defer tokenTicker.Stop()
+	for {
+		select {
+		case <-tokenTicker.C:
+			nowtime := time.Now()
+			tm.tokensMu.Lock()
+			for t, tokenendtime := range tm.tokens {
+				if nowtime.After(tokenendtime) {
+					tm.deleteTokenFunc(t)
+					delete(tm.tokens, t)
+				}
+			}
+			tm.tokensMu.Unlock()
+		case waitCh := <-tm.stopCh:
+			tm.tokens = make(map[string]time.Time)
+			waitCh <- struct{}{}
+			return
+		}
+	}
+}
+
+func (as *authStore) GenSimpleToken() (string, error) {
+	ret := make([]byte, defaultSimpleTokenLength)
+
+	for i := 0; i < defaultSimpleTokenLength; i++ {
+		bInt, err := rand.Int(rand.Reader, big.NewInt(int64(len(letters))))
+		if err != nil {
+			return "", err
+		}
+
+		ret[i] = letters[bInt.Int64()]
+	}
+
+	return string(ret), nil
+}
+
+func (as *authStore) assignSimpleTokenToUser(username, token string) {
+	as.simpleTokenKeeper.tokensMu.Lock()
+	as.simpleTokensMu.Lock()
+
+	_, ok := as.simpleTokens[token]
+	if ok {
+		plog.Panicf("token %s is alredy used", token)
+	}
+
+	as.simpleTokens[token] = username
+	as.simpleTokenKeeper.addSimpleToken(token)
+	as.simpleTokensMu.Unlock()
+	as.simpleTokenKeeper.tokensMu.Unlock()
+}
+
+func (as *authStore) invalidateUser(username string) {
+	if as.simpleTokenKeeper == nil {
+		return
+	}
+	as.simpleTokenKeeper.tokensMu.Lock()
+	as.simpleTokensMu.Lock()
+	for token, name := range as.simpleTokens {
+		if strings.Compare(name, username) == 0 {
+			delete(as.simpleTokens, token)
+			as.simpleTokenKeeper.deleteSimpleToken(token)
+		}
+	}
+	as.simpleTokensMu.Unlock()
+	as.simpleTokenKeeper.tokensMu.Unlock()
+}

vendor/github.com/coreos/etcd/auth/store_test.go

@@ -0,0 +1,360 @@
+// Copyright 2016 The etcd Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package auth
+
+import (
+	"os"
+	"testing"
+
+	pb "github.com/coreos/etcd/etcdserver/etcdserverpb"
+	"github.com/coreos/etcd/mvcc/backend"
+	"golang.org/x/crypto/bcrypt"
+	"golang.org/x/net/context"
+)
+
+func init() { BcryptCost = bcrypt.MinCost }
+
+func dummyIndexWaiter(index uint64) <-chan struct{} {
+	ch := make(chan struct{})
+	go func() {
+		ch <- struct{}{}
+	}()
+	return ch
+}
+
+// TestNewAuthStoreRevision ensures newly auth store
+// keeps the old revision when there are no changes.
+func TestNewAuthStoreRevision(t *testing.T) {
+	b, tPath := backend.NewDefaultTmpBackend()
+	defer os.Remove(tPath)
+
+	as := NewAuthStore(b, dummyIndexWaiter)
+	err := enableAuthAndCreateRoot(as)
+	if err != nil {
+		t.Fatal(err)
+	}
+	old := as.Revision()
+	b.Close()
+	as.Close()
+
+	// no changes to commit
+	b2 := backend.NewDefaultBackend(tPath)
+	as = NewAuthStore(b2, dummyIndexWaiter)
+	new := as.Revision()
+	b2.Close()
+	as.Close()
+
+	if old != new {
+		t.Fatalf("expected revision %d, got %d", old, new)
+	}
+}
+
+func enableAuthAndCreateRoot(as *authStore) error {
+	_, err := as.UserAdd(&pb.AuthUserAddRequest{Name: "root", Password: "root"})
+	if err != nil {
+		return err
+	}
+
+	_, err = as.RoleAdd(&pb.AuthRoleAddRequest{Name: "root"})
+	if err != nil {
+		return err
+	}
+
+	_, err = as.UserGrantRole(&pb.AuthUserGrantRoleRequest{User: "root", Role: "root"})
+	if err != nil {
+		return err
+	}
+
+	return as.AuthEnable()
+}
+
+func TestCheckPassword(t *testing.T) {
+	b, tPath := backend.NewDefaultTmpBackend()
+	defer func() {
+		b.Close()
+		os.Remove(tPath)
+	}()
+
+	as := NewAuthStore(b, dummyIndexWaiter)
+	defer as.Close()
+	err := enableAuthAndCreateRoot(as)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	ua := &pb.AuthUserAddRequest{Name: "foo", Password: "bar"}
+	_, err = as.UserAdd(ua)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// auth a non-existing user
+	_, err = as.CheckPassword("foo-test", "bar")
+	if err == nil {
+		t.Fatalf("expected %v, got %v", ErrAuthFailed, err)
+	}
+	if err != ErrAuthFailed {
+		t.Fatalf("expected %v, got %v", ErrAuthFailed, err)
+	}
+
+	// auth an existing user with correct password
+	_, err = as.CheckPassword("foo", "bar")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// auth an existing user but with wrong password
+	_, err = as.CheckPassword("foo", "")
+	if err == nil {
+		t.Fatalf("expected %v, got %v", ErrAuthFailed, err)
+	}
+	if err != ErrAuthFailed {
+		t.Fatalf("expected %v, got %v", ErrAuthFailed, err)
+	}
+}
+
+func TestUserDelete(t *testing.T) {
+	b, tPath := backend.NewDefaultTmpBackend()
+	defer func() {
+		b.Close()
+		os.Remove(tPath)
+	}()
+
+	as := NewAuthStore(b, dummyIndexWaiter)
+	defer as.Close()
+	err := enableAuthAndCreateRoot(as)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	ua := &pb.AuthUserAddRequest{Name: "foo"}
+	_, err = as.UserAdd(ua)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// delete an existing user
+	ud := &pb.AuthUserDeleteRequest{Name: "foo"}
+	_, err = as.UserDelete(ud)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// delete a non-existing user
+	_, err = as.UserDelete(ud)
+	if err == nil {
+		t.Fatalf("expected %v, got %v", ErrUserNotFound, err)
+	}
+	if err != ErrUserNotFound {
+		t.Fatalf("expected %v, got %v", ErrUserNotFound, err)
+	}
+}
+
+func TestUserChangePassword(t *testing.T) {
+	b, tPath := backend.NewDefaultTmpBackend()
+	defer func() {
+		b.Close()
+		os.Remove(tPath)
+	}()
+
+	as := NewAuthStore(b, dummyIndexWaiter)
+	defer as.Close()
+	err := enableAuthAndCreateRoot(as)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	_, err = as.UserAdd(&pb.AuthUserAddRequest{Name: "foo"})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	ctx1 := context.WithValue(context.WithValue(context.TODO(), "index", uint64(1)), "simpleToken", "dummy")
+	_, err = as.Authenticate(ctx1, "foo", "")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	_, err = as.UserChangePassword(&pb.AuthUserChangePasswordRequest{Name: "foo", Password: "bar"})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	ctx2 := context.WithValue(context.WithValue(context.TODO(), "index", uint64(2)), "simpleToken", "dummy")
+	_, err = as.Authenticate(ctx2, "foo", "bar")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// change a non-existing user
+	_, err = as.UserChangePassword(&pb.AuthUserChangePasswordRequest{Name: "foo-test", Password: "bar"})
+	if err == nil {
+		t.Fatalf("expected %v, got %v", ErrUserNotFound, err)
+	}
+	if err != ErrUserNotFound {
+		t.Fatalf("expected %v, got %v", ErrUserNotFound, err)
+	}
+}
+
+func TestRoleAdd(t *testing.T) {
+	b, tPath := backend.NewDefaultTmpBackend()
+	defer func() {
+		b.Close()
+		os.Remove(tPath)
+	}()
+
+	as := NewAuthStore(b, dummyIndexWaiter)
+	defer as.Close()
+	err := enableAuthAndCreateRoot(as)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// adds a new role
+	_, err = as.RoleAdd(&pb.AuthRoleAddRequest{Name: "role-test"})
+	if err != nil {
+		t.Fatal(err)
+	}
+}
+
+func TestUserGrant(t *testing.T) {
+	b, tPath := backend.NewDefaultTmpBackend()
+	defer func() {
+		b.Close()
+		os.Remove(tPath)
+	}()
+
+	as := NewAuthStore(b, dummyIndexWaiter)
+	defer as.Close()
+	err := enableAuthAndCreateRoot(as)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	_, err = as.UserAdd(&pb.AuthUserAddRequest{Name: "foo"})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// adds a new role
+	_, err = as.RoleAdd(&pb.AuthRoleAddRequest{Name: "role-test"})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// grants a role to the user
+	_, err = as.UserGrantRole(&pb.AuthUserGrantRoleRequest{User: "foo", Role: "role-test"})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// grants a role to a non-existing user
+	_, err = as.UserGrantRole(&pb.AuthUserGrantRoleRequest{User: "foo-test", Role: "role-test"})
+	if err == nil {
+		t.Fatalf("expected %v, got %v", ErrUserNotFound, err)
+	}
+	if err != ErrUserNotFound {
+		t.Fatalf("expected %v, got %v", ErrUserNotFound, err)
+	}
+
+	// non-admin user
+	err = as.IsAdminPermitted(&AuthInfo{Username: "foo", Revision: 1})
+	if err != ErrPermissionDenied {
+		t.Errorf("expected %v, got %v", ErrPermissionDenied, err)
+	}
+
+	// disabled auth should return nil
+	as.AuthDisable()
+	err = as.IsAdminPermitted(&AuthInfo{Username: "root", Revision: 1})
+	if err != nil {
+		t.Errorf("expected nil, got %v", err)
+	}
+}
+
+func TestRecoverFromSnapshot(t *testing.T) {
+	as, _ := setupAuthStore(t)
+
+	ua := &pb.AuthUserAddRequest{Name: "foo"}
+	_, err := as.UserAdd(ua) // add an existing user
+	if err == nil {
+		t.Fatalf("expected %v, got %v", ErrUserAlreadyExist, err)
+	}
+	if err != ErrUserAlreadyExist {
+		t.Fatalf("expected %v, got %v", ErrUserAlreadyExist, err)
+	}
+
+	ua = &pb.AuthUserAddRequest{Name: ""}
+	_, err = as.UserAdd(ua) // add a user with empty name
+	if err != ErrUserEmpty {
+		t.Fatal(err)
+	}
+
+	as.Close()
+
+	as2 := NewAuthStore(as.be, dummyIndexWaiter)
+	defer func(a *authStore) {
+		a.Close()
+	}(as2)
+
+	if !as2.isAuthEnabled() {
+		t.Fatal("recovering authStore from existing backend failed")
+	}
+
+	ul, err := as.UserList(&pb.AuthUserListRequest{})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if !contains(ul.Users, "root") {
+		t.Errorf("expected %v in %v", "root", ul.Users)
+	}
+}
+
+func contains(array []string, str string) bool {
+	for _, s := range array {
+		if s == str {
+			return true
+		}
+	}
+	return false
+}
+
+func setupAuthStore(t *testing.T) (store *authStore, teardownfunc func(t *testing.T)) {
+	b, tPath := backend.NewDefaultTmpBackend()
+
+	as := NewAuthStore(b, dummyIndexWaiter)
+	err := enableAuthAndCreateRoot(as)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// adds a new role
+	_, err = as.RoleAdd(&pb.AuthRoleAddRequest{Name: "role-test"})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	ua := &pb.AuthUserAddRequest{Name: "foo", Password: "bar"}
+	_, err = as.UserAdd(ua) // add a non-existing user
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	tearDown := func(t *testing.T) {
+		b.Close()
+		os.Remove(tPath)
+		as.Close()
+	}
+	return as, tearDown
+}