vendor: update all dependencies
This commit is contained in:
+3
@@ -541,6 +541,9 @@ func ServeAgent(agent Agent, c io.ReadWriter) error {
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return err
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}
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l := binary.BigEndian.Uint32(length[:])
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if l == 0 {
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return fmt.Errorf("agent: request size is 0")
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}
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if l > maxAgentResponseBytes {
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// We also cap requests.
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return fmt.Errorf("agent: request too large: %d", l)
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+12
-12
@@ -149,8 +149,8 @@ type streamPacketCipher struct {
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macResult []byte
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}
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// readPacket reads and decrypt a single packet from the reader argument.
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func (s *streamPacketCipher) readPacket(seqNum uint32, r io.Reader) ([]byte, error) {
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// readCipherPacket reads and decrypt a single packet from the reader argument.
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func (s *streamPacketCipher) readCipherPacket(seqNum uint32, r io.Reader) ([]byte, error) {
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if _, err := io.ReadFull(r, s.prefix[:]); err != nil {
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return nil, err
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}
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@@ -221,8 +221,8 @@ func (s *streamPacketCipher) readPacket(seqNum uint32, r io.Reader) ([]byte, err
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return s.packetData[:length-paddingLength-1], nil
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}
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// writePacket encrypts and sends a packet of data to the writer argument
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func (s *streamPacketCipher) writePacket(seqNum uint32, w io.Writer, rand io.Reader, packet []byte) error {
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// writeCipherPacket encrypts and sends a packet of data to the writer argument
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func (s *streamPacketCipher) writeCipherPacket(seqNum uint32, w io.Writer, rand io.Reader, packet []byte) error {
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if len(packet) > maxPacket {
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return errors.New("ssh: packet too large")
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}
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@@ -327,7 +327,7 @@ func newGCMCipher(key, iv, unusedMacKey []byte, unusedAlgs directionAlgorithms)
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const gcmTagSize = 16
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func (c *gcmCipher) writePacket(seqNum uint32, w io.Writer, rand io.Reader, packet []byte) error {
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func (c *gcmCipher) writeCipherPacket(seqNum uint32, w io.Writer, rand io.Reader, packet []byte) error {
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// Pad out to multiple of 16 bytes. This is different from the
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// stream cipher because that encrypts the length too.
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padding := byte(packetSizeMultiple - (1+len(packet))%packetSizeMultiple)
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@@ -370,7 +370,7 @@ func (c *gcmCipher) incIV() {
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}
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}
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func (c *gcmCipher) readPacket(seqNum uint32, r io.Reader) ([]byte, error) {
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func (c *gcmCipher) readCipherPacket(seqNum uint32, r io.Reader) ([]byte, error) {
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if _, err := io.ReadFull(r, c.prefix[:]); err != nil {
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return nil, err
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}
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@@ -486,8 +486,8 @@ type cbcError string
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func (e cbcError) Error() string { return string(e) }
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func (c *cbcCipher) readPacket(seqNum uint32, r io.Reader) ([]byte, error) {
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p, err := c.readPacketLeaky(seqNum, r)
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func (c *cbcCipher) readCipherPacket(seqNum uint32, r io.Reader) ([]byte, error) {
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p, err := c.readCipherPacketLeaky(seqNum, r)
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if err != nil {
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if _, ok := err.(cbcError); ok {
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// Verification error: read a fixed amount of
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@@ -500,7 +500,7 @@ func (c *cbcCipher) readPacket(seqNum uint32, r io.Reader) ([]byte, error) {
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return p, err
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}
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func (c *cbcCipher) readPacketLeaky(seqNum uint32, r io.Reader) ([]byte, error) {
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func (c *cbcCipher) readCipherPacketLeaky(seqNum uint32, r io.Reader) ([]byte, error) {
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blockSize := c.decrypter.BlockSize()
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// Read the header, which will include some of the subsequent data in the
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@@ -576,7 +576,7 @@ func (c *cbcCipher) readPacketLeaky(seqNum uint32, r io.Reader) ([]byte, error)
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return c.packetData[prefixLen:paddingStart], nil
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}
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func (c *cbcCipher) writePacket(seqNum uint32, w io.Writer, rand io.Reader, packet []byte) error {
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func (c *cbcCipher) writeCipherPacket(seqNum uint32, w io.Writer, rand io.Reader, packet []byte) error {
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effectiveBlockSize := maxUInt32(cbcMinPacketSizeMultiple, c.encrypter.BlockSize())
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// Length of encrypted portion of the packet (header, payload, padding).
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@@ -665,7 +665,7 @@ func newChaCha20Cipher(key, unusedIV, unusedMACKey []byte, unusedAlgs directionA
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return c, nil
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}
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func (c *chacha20Poly1305Cipher) readPacket(seqNum uint32, r io.Reader) ([]byte, error) {
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func (c *chacha20Poly1305Cipher) readCipherPacket(seqNum uint32, r io.Reader) ([]byte, error) {
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nonce := [3]uint32{0, 0, bits.ReverseBytes32(seqNum)}
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s := chacha20.New(c.contentKey, nonce)
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var polyKey [32]byte
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@@ -723,7 +723,7 @@ func (c *chacha20Poly1305Cipher) readPacket(seqNum uint32, r io.Reader) ([]byte,
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return plain, nil
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}
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func (c *chacha20Poly1305Cipher) writePacket(seqNum uint32, w io.Writer, rand io.Reader, payload []byte) error {
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func (c *chacha20Poly1305Cipher) writeCipherPacket(seqNum uint32, w io.Writer, rand io.Reader, payload []byte) error {
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nonce := [3]uint32{0, 0, bits.ReverseBytes32(seqNum)}
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s := chacha20.New(c.contentKey, nonce)
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var polyKey [32]byte
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+26
@@ -764,3 +764,29 @@ func decode(packet []byte) (interface{}, error) {
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}
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return msg, nil
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}
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var packetTypeNames = map[byte]string{
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msgDisconnect: "disconnectMsg",
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msgServiceRequest: "serviceRequestMsg",
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msgServiceAccept: "serviceAcceptMsg",
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msgKexInit: "kexInitMsg",
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msgKexDHInit: "kexDHInitMsg",
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msgKexDHReply: "kexDHReplyMsg",
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msgUserAuthRequest: "userAuthRequestMsg",
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msgUserAuthSuccess: "userAuthSuccessMsg",
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msgUserAuthFailure: "userAuthFailureMsg",
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msgUserAuthPubKeyOk: "userAuthPubKeyOkMsg",
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msgGlobalRequest: "globalRequestMsg",
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msgRequestSuccess: "globalRequestSuccessMsg",
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msgRequestFailure: "globalRequestFailureMsg",
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msgChannelOpen: "channelOpenMsg",
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msgChannelData: "channelDataMsg",
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msgChannelOpenConfirm: "channelOpenConfirmMsg",
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msgChannelOpenFailure: "channelOpenFailureMsg",
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msgChannelWindowAdjust: "windowAdjustMsg",
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msgChannelEOF: "channelEOFMsg",
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msgChannelClose: "channelCloseMsg",
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msgChannelRequest: "channelRequestMsg",
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msgChannelSuccess: "channelRequestSuccessMsg",
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msgChannelFailure: "channelRequestFailureMsg",
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}
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+37
-26
@@ -7,6 +7,7 @@ package terminal
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import (
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"bytes"
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"io"
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"strconv"
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"sync"
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"unicode/utf8"
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)
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@@ -271,34 +272,44 @@ func (t *Terminal) moveCursorToPos(pos int) {
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}
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func (t *Terminal) move(up, down, left, right int) {
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movement := make([]rune, 3*(up+down+left+right))
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m := movement
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for i := 0; i < up; i++ {
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m[0] = keyEscape
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m[1] = '['
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m[2] = 'A'
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m = m[3:]
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}
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for i := 0; i < down; i++ {
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m[0] = keyEscape
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m[1] = '['
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m[2] = 'B'
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m = m[3:]
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}
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for i := 0; i < left; i++ {
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m[0] = keyEscape
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m[1] = '['
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m[2] = 'D'
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m = m[3:]
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}
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for i := 0; i < right; i++ {
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m[0] = keyEscape
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m[1] = '['
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m[2] = 'C'
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m = m[3:]
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m := []rune{}
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// 1 unit up can be expressed as ^[[A or ^[A
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// 5 units up can be expressed as ^[[5A
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if up == 1 {
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m = append(m, keyEscape, '[', 'A')
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} else if up > 1 {
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m = append(m, keyEscape, '[')
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m = append(m, []rune(strconv.Itoa(up))...)
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m = append(m, 'A')
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}
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t.queue(movement)
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if down == 1 {
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m = append(m, keyEscape, '[', 'B')
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} else if down > 1 {
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m = append(m, keyEscape, '[')
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m = append(m, []rune(strconv.Itoa(down))...)
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m = append(m, 'B')
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}
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if right == 1 {
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m = append(m, keyEscape, '[', 'C')
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} else if right > 1 {
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m = append(m, keyEscape, '[')
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m = append(m, []rune(strconv.Itoa(right))...)
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m = append(m, 'C')
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}
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if left == 1 {
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m = append(m, keyEscape, '[', 'D')
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} else if left > 1 {
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m = append(m, keyEscape, '[')
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m = append(m, []rune(strconv.Itoa(left))...)
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m = append(m, 'D')
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}
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t.queue(m)
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}
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func (t *Terminal) clearLineToRight() {
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+4
-2
@@ -64,13 +64,15 @@ func Restore(fd int, state *State) error {
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return windows.SetConsoleMode(windows.Handle(fd), state.mode)
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}
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// GetSize returns the dimensions of the given terminal.
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// GetSize returns the visible dimensions of the given terminal.
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//
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// These dimensions don't include any scrollback buffer height.
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func GetSize(fd int) (width, height int, err error) {
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var info windows.ConsoleScreenBufferInfo
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if err := windows.GetConsoleScreenBufferInfo(windows.Handle(fd), &info); err != nil {
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return 0, 0, err
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}
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return int(info.Size.X), int(info.Size.Y), nil
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return int(info.Window.Right - info.Window.Left + 1), int(info.Window.Bottom - info.Window.Top + 1), nil
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}
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// ReadPassword reads a line of input from a terminal without local echo. This
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+6
-6
@@ -53,14 +53,14 @@ type transport struct {
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// packetCipher represents a combination of SSH encryption/MAC
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// protocol. A single instance should be used for one direction only.
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type packetCipher interface {
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// writePacket encrypts the packet and writes it to w. The
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// writeCipherPacket encrypts the packet and writes it to w. The
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// contents of the packet are generally scrambled.
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writePacket(seqnum uint32, w io.Writer, rand io.Reader, packet []byte) error
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writeCipherPacket(seqnum uint32, w io.Writer, rand io.Reader, packet []byte) error
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// readPacket reads and decrypts a packet of data. The
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// readCipherPacket reads and decrypts a packet of data. The
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// returned packet may be overwritten by future calls of
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// readPacket.
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readPacket(seqnum uint32, r io.Reader) ([]byte, error)
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readCipherPacket(seqnum uint32, r io.Reader) ([]byte, error)
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}
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// connectionState represents one side (read or write) of the
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@@ -127,7 +127,7 @@ func (t *transport) readPacket() (p []byte, err error) {
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}
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func (s *connectionState) readPacket(r *bufio.Reader) ([]byte, error) {
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packet, err := s.packetCipher.readPacket(s.seqNum, r)
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packet, err := s.packetCipher.readCipherPacket(s.seqNum, r)
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s.seqNum++
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if err == nil && len(packet) == 0 {
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err = errors.New("ssh: zero length packet")
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@@ -175,7 +175,7 @@ func (t *transport) writePacket(packet []byte) error {
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func (s *connectionState) writePacket(w *bufio.Writer, rand io.Reader, packet []byte) error {
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changeKeys := len(packet) > 0 && packet[0] == msgNewKeys
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err := s.packetCipher.writePacket(s.seqNum, w, rand, packet)
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err := s.packetCipher.writeCipherPacket(s.seqNum, w, rand, packet)
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if err != nil {
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return err
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}
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