added serverInit listening and recorder adaptation for being created outside of the client

This commit is contained in:
amit bezalel 2017-07-07 13:32:21 +03:00
parent ed0dc6839c
commit 7882e7f051
12 changed files with 840 additions and 892 deletions

View File

@ -1,30 +1,7 @@
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="GOROOT" path="/usr/local/Cellar/go/1.8.3/libexec" />
<component name="MavenImportPreferences">
<option name="generalSettings">
<MavenGeneralSettings>
<option name="mavenHome" value="Bundled (Maven 3)" />
</MavenGeneralSettings>
</option>
</component>
<component name="ProjectRootManager" version="2" languageLevel="JDK_1_6" default="true">
<output url="file://$PROJECT_DIR$/out" />
</component>
<component name="masterDetails">
<states>
<state key="ProjectJDKs.UI">
<settings>
<last-edited>1.8</last-edited>
<splitter-proportions>
<option name="proportions">
<list>
<option value="0.2" />
</list>
</option>
</splitter-proportions>
</settings>
</state>
</states>
</component>
</project>

File diff suppressed because it is too large Load Diff

View File

@ -8,7 +8,6 @@ import (
"net"
"unicode"
"vncproxy/common"
"vncproxy/tee-listeners"
)
// A ServerMessage implements a message sent from the server to the client.
@ -21,11 +20,11 @@ type ClientAuth interface {
// Handshake is called when the authentication handshake should be
// performed, as part of the general RFB handshake. (see 7.2.1)
Handshake(net.Conn) error
Handshake(io.ReadWriteCloser) error
}
type ClientConn struct {
conn net.Conn
conn io.ReadWriteCloser
//c net.Conn
config *ClientConfig
@ -77,6 +76,7 @@ type ClientConfig struct {
// This only needs to contain NEW server messages, and doesn't
// need to explicitly contain the RFC-required messages.
ServerMessages []common.ServerMessage
Listener common.SegmentConsumer
}
func Client(c net.Conn, cfg *ClientConfig) (*ClientConn, error) {
@ -438,6 +438,15 @@ FindAuth:
}
c.DesktopName = string(nameBytes)
srvInit := common.ServerInit{
NameLength: nameLength,
NameText: nameBytes,
FBHeight: c.FrameBufferHeight,
FBWidth: c.FrameBufferWidth,
PixelFormat: c.PixelFormat,
}
rfbSeg := &common.RfbSegment{SegmentType: common.SegmentServerInitMessage, Message: &srvInit}
c.config.Listener.Consume(rfbSeg)
return nil
}
@ -446,9 +455,8 @@ FindAuth:
// proper channels for users of the client to read.
func (c *ClientConn) mainLoop() {
defer c.Close()
rec := listeners.NewRecorder("/Users/amitbet/recording.rbs", c.DesktopName, c.FrameBufferWidth, c.FrameBufferHeight)
reader := &common.RfbReadHelper{Reader: c.conn, Listener: rec}
reader := &common.RfbReadHelper{Reader: c.conn, Listener: c.config.Listener}
// Build the map of available server messages
typeMap := make(map[uint8]common.ServerMessage)

View File

@ -1,13 +1,11 @@
package client
import (
"net"
"crypto/des"
"encoding/binary"
"io"
)
// ClientAuthNone is the "none" authentication. See 7.2.1
type ClientAuthNone byte
@ -15,7 +13,7 @@ func (*ClientAuthNone) SecurityType() uint8 {
return 1
}
func (*ClientAuthNone) Handshake(net.Conn) error {
func (*ClientAuthNone) Handshake(closer io.ReadWriteCloser) error {
return nil
}
@ -28,7 +26,7 @@ func (p *PasswordAuth) SecurityType() uint8 {
return 2
}
func (p *PasswordAuth) Handshake(c net.Conn) error {
func (p *PasswordAuth) Handshake(c io.ReadWriteCloser) error {
randomValue := make([]uint8, 16)
if err := binary.Read(c, binary.BigEndian, &randomValue); err != nil {
return err
@ -36,7 +34,7 @@ func (p *PasswordAuth) Handshake(c net.Conn) error {
crypted, err := p.encrypt(p.Password, randomValue)
if (err != nil) {
if err != nil {
return err
}
@ -87,7 +85,7 @@ func (p *PasswordAuth) reverseBits(b byte) byte {
}
func (p *PasswordAuth) encrypt(key string, bytes []byte) ([]byte, error) {
keyBytes := []byte{0,0,0,0,0,0,0,0}
keyBytes := []byte{0, 0, 0, 0, 0, 0, 0, 0}
if len(key) > 8 {
key = key[:8]

View File

@ -12,6 +12,9 @@ const (
SegmentBytes SegmentType = iota
SegmentMessageSeparator
SegmentRectSeparator
SegmentFullyParsedClientMessage
SegmentFullyParsedServerMessage
SegmentServerInitMessage
)
type SegmentType int
@ -20,7 +23,9 @@ type RfbSegment struct {
Bytes []byte
SegmentType SegmentType
UpcomingObjectType int
Message interface{}
}
type SegmentConsumer interface {
Consume(*RfbSegment) error
}

View File

@ -23,3 +23,10 @@ const (
Bell
ServerCutText
)
type ServerInit struct {
FBWidth, FBHeight uint16
PixelFormat PixelFormat
NameLength uint32
NameText []byte
}

View File

@ -1,327 +1,325 @@
package encodings
import (
"errors"
"fmt"
"vncproxy/common"
)
var TightMinToCompress int = 12
const (
TightExplicitFilter = 0x04
TightFill = 0x08
TightJpeg = 0x09
TightPNG = 0x10
TightFilterCopy = 0x00
TightFilterPalette = 0x01
TightFilterGradient = 0x02
)
type TightEncoding struct {
//output io.Writer
logger common.Logger
}
// func (t *TightEncoding) SetOutput(output io.Writer) {
// t.output = output
// }
func (*TightEncoding) Type() int32 {
return 7
}
// func ReadAndRecBytes(conn io.Reader, rec io.Writer, count int) ([]byte, error) {
// buf, err := readBytes(conn, count)
// rec.Write(buf)
// return buf, err
// }
// func ReadAndRecUint8(conn io.Reader, rec io.Writer) (uint8, error) {
// myUint, err := readUint8(conn)
// buf := make([]byte, 1)
// buf[0] = byte(myUint) // cast int8 to byte
// rec.Write(buf)
// return myUint, err
// }
// func ReadAndRecUint16(conn io.Reader, rec io.Writer) (uint16, error) {
// myUint, err := readUint16(conn)
// buf := make([]byte, 2)
// //buf[0] = byte(myUint) // cast int8 to byte
// //var i int16 = 41
// //b := make([]byte, 2)
// binary.LittleEndian.PutUint16(buf, uint16(myUint))
// rec.Write(buf)
// return myUint, err
// }
func calcTightBytePerPixel(pf *common.PixelFormat) int {
bytesPerPixel := int(pf.BPP / 8)
var bytesPerPixelTight int
if 24 == pf.Depth && 32 == pf.BPP {
bytesPerPixelTight = 3
} else {
bytesPerPixelTight = bytesPerPixel
}
return bytesPerPixelTight
}
func (t *TightEncoding) Read(pixelFmt *common.PixelFormat, rect *common.Rectangle, r *common.RfbReadHelper) (common.Encoding, error) {
bytesPixel := calcTightBytePerPixel(pixelFmt)
//conn := common.RfbReadHelper{Reader:reader}
//conn := &DataSource{conn: conn.c, PixelFormat: conn.PixelFormat}
//var subencoding uint8
compctl, err := r.ReadUint8()
if err != nil {
fmt.Printf("error in handling tight encoding: %v\n", err)
return nil, err
}
fmt.Printf("bytesPixel= %d, subencoding= %d\n", bytesPixel, compctl)
//move it to position (remove zlib flush commands)
compType := compctl >> 4 & 0x0F
fmt.Printf("afterSHL:%d\n", compType)
switch compType {
case TightFill:
fmt.Printf("reading fill size=%d\n", bytesPixel)
//read color
r.ReadBytes(int(bytesPixel))
//byt, _ := r.ReadBytes(3)
//fmt.Printf(">>>>>>>>>TightFillBytes=%v", byt)
return t, nil
case TightJpeg:
if pixelFmt.BPP == 8 {
return nil, errors.New("Tight encoding: JPEG is not supported in 8 bpp mode")
}
len, err := r.ReadCompactLen()
if err != nil {
return nil, err
}
fmt.Printf("reading jpeg size=%d\n", len)
r.ReadBytes(len)
return t, nil
default:
if compType > TightJpeg {
fmt.Println("Compression control byte is incorrect!")
}
handleTightFilters(compctl, pixelFmt, rect, r)
return t, nil
}
}
func handleTightFilters(subencoding uint8, pixelFmt *common.PixelFormat, rect *common.Rectangle, r *common.RfbReadHelper) {
//conn := common.RfbReadHelper{Reader:reader}
var FILTER_ID_MASK uint8 = 0x40
//var STREAM_ID_MASK uint8 = 0x30
//decoderId := (subencoding & STREAM_ID_MASK) >> 4
var filterid uint8
var err error
if (subencoding & FILTER_ID_MASK) > 0 { // filter byte presence
filterid, err = r.ReadUint8()
if err != nil {
fmt.Printf("error in handling tight encoding, reading filterid: %v\n", err)
return
}
fmt.Printf("read filter: %d\n", filterid)
}
//var numColors uint8
bytesPixel := calcTightBytePerPixel(pixelFmt)
fmt.Printf("filter: %d\n", filterid)
// if rfb.rec != null {
// rfb.rec.writeByte(filter_id)
// }
lengthCurrentbpp := int(bytesPixel) * int(rect.Width) * int(rect.Height)
switch filterid {
case TightFilterPalette: //PALETTE_FILTER
colorCount, err := r.ReadUint8()
paletteSize := colorCount + 1 // add one more
fmt.Printf("----PALETTE_FILTER: paletteSize=%d bytesPixel=%d\n", paletteSize, bytesPixel)
//complete palette
r.ReadBytes(int(paletteSize) * bytesPixel)
var dataLength int
if paletteSize == 2 {
dataLength = int(rect.Height) * ((int(rect.Width) + 7) / 8)
} else {
dataLength = int(rect.Width * rect.Height)
}
_, err = r.ReadTightData(dataLength)
if err != nil {
fmt.Printf("error in handling tight encoding, Reading Palette: %v\n", err)
return
}
case TightFilterGradient: //GRADIENT_FILTER
fmt.Printf("----GRADIENT_FILTER: bytesPixel=%d\n", bytesPixel)
//useGradient = true
fmt.Printf("usegrad: %d\n", filterid)
r.ReadTightData(lengthCurrentbpp)
case TightFilterCopy: //BASIC_FILTER
fmt.Printf("----BASIC_FILTER: bytesPixel=%d\n", bytesPixel)
r.ReadTightData(lengthCurrentbpp)
default:
fmt.Printf("Bad tight filter id: %d\n", filterid)
return
}
////////////
// if numColors == 0 && bytesPixel == 4 {
// rowSize1 *= 3
// }
// rowSize := (int(rect.Width)*bitsPixel + 7) / 8
// dataSize := int(rect.Height) * rowSize
// dataSize1 := rect.Height * rowSize1
// fmt.Printf("datasize: %d, origDatasize: %d", dataSize, dataSize1)
// // Read, optionally uncompress and decode data.
// if int(dataSize1) < TightMinToCompress {
// // Data size is small - not compressed with zlib.
// if numColors != 0 {
// // Indexed colors.
// //indexedData := make([]byte, dataSize)
// readBytes(conn.c, int(dataSize1))
// //readFully(indexedData);
// // if (rfb.rec != null) {
// // rfb.rec.write(indexedData);
// // }
// // if (numColors == 2) {
// // // Two colors.
// // if (bytesPixel == 1) {
// // decodeMonoData(x, y, w, h, indexedData, palette8);
// // } else {
// // decodeMonoData(x, y, w, h, indexedData, palette24);
// // }
// // } else {
// // // 3..255 colors (assuming bytesPixel == 4).
// // int i = 0;
// // for (int dy = y; dy < y + h; dy++) {
// // for (int dx = x; dx < x + w; dx++) {
// // pixels24[dy * rfb.framebufferWidth + dx] = palette24[indexedData[i++] & 0xFF];
// // }
// // }
// // }
// } else if useGradient {
// // "Gradient"-processed data
// //buf := make ( []byte,w * h * 3);
// dataByteCount := int(3) * int(rect.Width) * int(rect.Height)
// readBytes(conn.c, dataByteCount)
// // rfb.readFully(buf);
// // if (rfb.rec != null) {
// // rfb.rec.write(buf);
// // }
// // decodeGradientData(x, y, w, h, buf);
// } else {
// // Raw truecolor data.
// dataByteCount := int(bytesPixel) * int(rect.Width) * int(rect.Height)
// readBytes(conn.c, dataByteCount)
// // if (bytesPixel == 1) {
// // for (int dy = y; dy < y + h; dy++) {
// // rfb.readFully(pixels8, dy * rfb.framebufferWidth + x, w);
// // if (rfb.rec != null) {
// // rfb.rec.write(pixels8, dy * rfb.framebufferWidth + x, w);
// // }
// // }
// // } else {
// // byte[] buf = new byte[w * 3];
// // int i, offset;
// // for (int dy = y; dy < y + h; dy++) {
// // rfb.readFully(buf);
// // if (rfb.rec != null) {
// // rfb.rec.write(buf);
// // }
// // offset = dy * rfb.framebufferWidth + x;
// // for (i = 0; i < w; i++) {
// // pixels24[offset + i] = (buf[i * 3] & 0xFF) << 16 | (buf[i * 3 + 1] & 0xFF) << 8 | (buf[i * 3 + 2] & 0xFF);
// // }
// // }
// // }
// }
// } else {
// // Data was compressed with zlib.
// zlibDataLen, err := readCompactLen(conn.c)
// fmt.Printf("compactlen=%d\n", zlibDataLen)
// if err != nil {
// return nil, err
// }
// //byte[] zlibData = new byte[zlibDataLen];
// //rfb.readFully(zlibData);
// readBytes(conn.c, zlibDataLen)
// // if (rfb.rec != null) {
// // rfb.rec.write(zlibData);
// // }
// // int stream_id = comp_ctl & 0x03;
// // if (tightInflaters[stream_id] == null) {
// // tightInflaters[stream_id] = new Inflater();
// // }
// // Inflater myInflater = tightInflaters[stream_id];
// // myInflater.setInput(zlibData);
// // byte[] buf = new byte[dataSize];
// // myInflater.inflate(buf);
// // if (rfb.rec != null && !rfb.recordFromBeginning) {
// // rfb.recordCompressedData(buf);
// // }
// // if (numColors != 0) {
// // // Indexed colors.
// // if (numColors == 2) {
// // // Two colors.
// // if (bytesPixel == 1) {
// // decodeMonoData(x, y, w, h, buf, palette8);
// // } else {
// // decodeMonoData(x, y, w, h, buf, palette24);
// // }
// // } else {
// // // More than two colors (assuming bytesPixel == 4).
// // int i = 0;
// // for (int dy = y; dy < y + h; dy++) {
// // for (int dx = x; dx < x + w; dx++) {
// // pixels24[dy * rfb.framebufferWidth + dx] = palette24[buf[i++] & 0xFF];
// // }
// // }
// // }
// // } else if (useGradient) {
// // // Compressed "Gradient"-filtered data (assuming bytesPixel == 4).
// // decodeGradientData(x, y, w, h, buf);
// // } else {
// // // Compressed truecolor data.
// // if (bytesPixel == 1) {
// // int destOffset = y * rfb.framebufferWidth + x;
// // for (int dy = 0; dy < h; dy++) {
// // System.arraycopy(buf, dy * w, pixels8, destOffset, w);
// // destOffset += rfb.framebufferWidth;
// // }
// // } else {
// // int srcOffset = 0;
// // int destOffset, i;
// // for (int dy = 0; dy < h; dy++) {
// // myInflater.inflate(buf);
// // destOffset = (y + dy) * rfb.framebufferWidth + x;
// // for (i = 0; i < w; i++) {
// // pixels24[destOffset + i] = (buf[srcOffset] & 0xFF) << 16 | (buf[srcOffset + 1] & 0xFF) << 8
// // | (buf[srcOffset + 2] & 0xFF);
// // srcOffset += 3;
// // }
// // }
// // }
// // }
// }
return
}
package encodings
import (
"errors"
"fmt"
"vncproxy/common"
)
var TightMinToCompress int = 12
const (
TightExplicitFilter = 0x04
TightFill = 0x08
TightJpeg = 0x09
TightPNG = 0x10
TightFilterCopy = 0x00
TightFilterPalette = 0x01
TightFilterGradient = 0x02
)
type TightEncoding struct {
//output io.Writer
logger common.Logger
}
// func (t *TightEncoding) SetOutput(output io.Writer) {
// t.output = output
// }
func (*TightEncoding) Type() int32 { return int32(common.EncTight) }
// func ReadAndRecBytes(conn io.Reader, rec io.Writer, count int) ([]byte, error) {
// buf, err := readBytes(conn, count)
// rec.Write(buf)
// return buf, err
// }
// func ReadAndRecUint8(conn io.Reader, rec io.Writer) (uint8, error) {
// myUint, err := readUint8(conn)
// buf := make([]byte, 1)
// buf[0] = byte(myUint) // cast int8 to byte
// rec.Write(buf)
// return myUint, err
// }
// func ReadAndRecUint16(conn io.Reader, rec io.Writer) (uint16, error) {
// myUint, err := readUint16(conn)
// buf := make([]byte, 2)
// //buf[0] = byte(myUint) // cast int8 to byte
// //var i int16 = 41
// //b := make([]byte, 2)
// binary.LittleEndian.PutUint16(buf, uint16(myUint))
// rec.Write(buf)
// return myUint, err
// }
func calcTightBytePerPixel(pf *common.PixelFormat) int {
bytesPerPixel := int(pf.BPP / 8)
var bytesPerPixelTight int
if 24 == pf.Depth && 32 == pf.BPP {
bytesPerPixelTight = 3
} else {
bytesPerPixelTight = bytesPerPixel
}
return bytesPerPixelTight
}
func (t *TightEncoding) Read(pixelFmt *common.PixelFormat, rect *common.Rectangle, r *common.RfbReadHelper) (common.Encoding, error) {
bytesPixel := calcTightBytePerPixel(pixelFmt)
//conn := common.RfbReadHelper{Reader:reader}
//conn := &DataSource{conn: conn.c, PixelFormat: conn.PixelFormat}
//var subencoding uint8
compctl, err := r.ReadUint8()
if err != nil {
fmt.Printf("error in handling tight encoding: %v\n", err)
return nil, err
}
fmt.Printf("bytesPixel= %d, subencoding= %d\n", bytesPixel, compctl)
//move it to position (remove zlib flush commands)
compType := compctl >> 4 & 0x0F
fmt.Printf("afterSHL:%d\n", compType)
switch compType {
case TightFill:
fmt.Printf("reading fill size=%d\n", bytesPixel)
//read color
r.ReadBytes(int(bytesPixel))
//byt, _ := r.ReadBytes(3)
//fmt.Printf(">>>>>>>>>TightFillBytes=%v", byt)
return t, nil
case TightJpeg:
if pixelFmt.BPP == 8 {
return nil, errors.New("Tight encoding: JPEG is not supported in 8 bpp mode")
}
len, err := r.ReadCompactLen()
if err != nil {
return nil, err
}
fmt.Printf("reading jpeg size=%d\n", len)
r.ReadBytes(len)
return t, nil
default:
if compType > TightJpeg {
fmt.Println("Compression control byte is incorrect!")
}
handleTightFilters(compctl, pixelFmt, rect, r)
return t, nil
}
}
func handleTightFilters(subencoding uint8, pixelFmt *common.PixelFormat, rect *common.Rectangle, r *common.RfbReadHelper) {
//conn := common.RfbReadHelper{Reader:reader}
var FILTER_ID_MASK uint8 = 0x40
//var STREAM_ID_MASK uint8 = 0x30
//decoderId := (subencoding & STREAM_ID_MASK) >> 4
var filterid uint8
var err error
if (subencoding & FILTER_ID_MASK) > 0 { // filter byte presence
filterid, err = r.ReadUint8()
if err != nil {
fmt.Printf("error in handling tight encoding, reading filterid: %v\n", err)
return
}
fmt.Printf("read filter: %d\n", filterid)
}
//var numColors uint8
bytesPixel := calcTightBytePerPixel(pixelFmt)
fmt.Printf("filter: %d\n", filterid)
// if rfb.rec != null {
// rfb.rec.writeByte(filter_id)
// }
lengthCurrentbpp := int(bytesPixel) * int(rect.Width) * int(rect.Height)
switch filterid {
case TightFilterPalette: //PALETTE_FILTER
colorCount, err := r.ReadUint8()
paletteSize := colorCount + 1 // add one more
fmt.Printf("----PALETTE_FILTER: paletteSize=%d bytesPixel=%d\n", paletteSize, bytesPixel)
//complete palette
r.ReadBytes(int(paletteSize) * bytesPixel)
var dataLength int
if paletteSize == 2 {
dataLength = int(rect.Height) * ((int(rect.Width) + 7) / 8)
} else {
dataLength = int(rect.Width * rect.Height)
}
_, err = r.ReadTightData(dataLength)
if err != nil {
fmt.Printf("error in handling tight encoding, Reading Palette: %v\n", err)
return
}
case TightFilterGradient: //GRADIENT_FILTER
fmt.Printf("----GRADIENT_FILTER: bytesPixel=%d\n", bytesPixel)
//useGradient = true
fmt.Printf("usegrad: %d\n", filterid)
r.ReadTightData(lengthCurrentbpp)
case TightFilterCopy: //BASIC_FILTER
fmt.Printf("----BASIC_FILTER: bytesPixel=%d\n", bytesPixel)
r.ReadTightData(lengthCurrentbpp)
default:
fmt.Printf("Bad tight filter id: %d\n", filterid)
return
}
////////////
// if numColors == 0 && bytesPixel == 4 {
// rowSize1 *= 3
// }
// rowSize := (int(rect.Width)*bitsPixel + 7) / 8
// dataSize := int(rect.Height) * rowSize
// dataSize1 := rect.Height * rowSize1
// fmt.Printf("datasize: %d, origDatasize: %d", dataSize, dataSize1)
// // Read, optionally uncompress and decode data.
// if int(dataSize1) < TightMinToCompress {
// // Data size is small - not compressed with zlib.
// if numColors != 0 {
// // Indexed colors.
// //indexedData := make([]byte, dataSize)
// readBytes(conn.c, int(dataSize1))
// //readFully(indexedData);
// // if (rfb.rec != null) {
// // rfb.rec.write(indexedData);
// // }
// // if (numColors == 2) {
// // // Two colors.
// // if (bytesPixel == 1) {
// // decodeMonoData(x, y, w, h, indexedData, palette8);
// // } else {
// // decodeMonoData(x, y, w, h, indexedData, palette24);
// // }
// // } else {
// // // 3..255 colors (assuming bytesPixel == 4).
// // int i = 0;
// // for (int dy = y; dy < y + h; dy++) {
// // for (int dx = x; dx < x + w; dx++) {
// // pixels24[dy * rfb.framebufferWidth + dx] = palette24[indexedData[i++] & 0xFF];
// // }
// // }
// // }
// } else if useGradient {
// // "Gradient"-processed data
// //buf := make ( []byte,w * h * 3);
// dataByteCount := int(3) * int(rect.Width) * int(rect.Height)
// readBytes(conn.c, dataByteCount)
// // rfb.readFully(buf);
// // if (rfb.rec != null) {
// // rfb.rec.write(buf);
// // }
// // decodeGradientData(x, y, w, h, buf);
// } else {
// // Raw truecolor data.
// dataByteCount := int(bytesPixel) * int(rect.Width) * int(rect.Height)
// readBytes(conn.c, dataByteCount)
// // if (bytesPixel == 1) {
// // for (int dy = y; dy < y + h; dy++) {
// // rfb.readFully(pixels8, dy * rfb.framebufferWidth + x, w);
// // if (rfb.rec != null) {
// // rfb.rec.write(pixels8, dy * rfb.framebufferWidth + x, w);
// // }
// // }
// // } else {
// // byte[] buf = new byte[w * 3];
// // int i, offset;
// // for (int dy = y; dy < y + h; dy++) {
// // rfb.readFully(buf);
// // if (rfb.rec != null) {
// // rfb.rec.write(buf);
// // }
// // offset = dy * rfb.framebufferWidth + x;
// // for (i = 0; i < w; i++) {
// // pixels24[offset + i] = (buf[i * 3] & 0xFF) << 16 | (buf[i * 3 + 1] & 0xFF) << 8 | (buf[i * 3 + 2] & 0xFF);
// // }
// // }
// // }
// }
// } else {
// // Data was compressed with zlib.
// zlibDataLen, err := readCompactLen(conn.c)
// fmt.Printf("compactlen=%d\n", zlibDataLen)
// if err != nil {
// return nil, err
// }
// //byte[] zlibData = new byte[zlibDataLen];
// //rfb.readFully(zlibData);
// readBytes(conn.c, zlibDataLen)
// // if (rfb.rec != null) {
// // rfb.rec.write(zlibData);
// // }
// // int stream_id = comp_ctl & 0x03;
// // if (tightInflaters[stream_id] == null) {
// // tightInflaters[stream_id] = new Inflater();
// // }
// // Inflater myInflater = tightInflaters[stream_id];
// // myInflater.setInput(zlibData);
// // byte[] buf = new byte[dataSize];
// // myInflater.inflate(buf);
// // if (rfb.rec != null && !rfb.recordFromBeginning) {
// // rfb.recordCompressedData(buf);
// // }
// // if (numColors != 0) {
// // // Indexed colors.
// // if (numColors == 2) {
// // // Two colors.
// // if (bytesPixel == 1) {
// // decodeMonoData(x, y, w, h, buf, palette8);
// // } else {
// // decodeMonoData(x, y, w, h, buf, palette24);
// // }
// // } else {
// // // More than two colors (assuming bytesPixel == 4).
// // int i = 0;
// // for (int dy = y; dy < y + h; dy++) {
// // for (int dx = x; dx < x + w; dx++) {
// // pixels24[dy * rfb.framebufferWidth + dx] = palette24[buf[i++] & 0xFF];
// // }
// // }
// // }
// // } else if (useGradient) {
// // // Compressed "Gradient"-filtered data (assuming bytesPixel == 4).
// // decodeGradientData(x, y, w, h, buf);
// // } else {
// // // Compressed truecolor data.
// // if (bytesPixel == 1) {
// // int destOffset = y * rfb.framebufferWidth + x;
// // for (int dy = 0; dy < h; dy++) {
// // System.arraycopy(buf, dy * w, pixels8, destOffset, w);
// // destOffset += rfb.framebufferWidth;
// // }
// // } else {
// // int srcOffset = 0;
// // int destOffset, i;
// // for (int dy = 0; dy < h; dy++) {
// // myInflater.inflate(buf);
// // destOffset = (y + dy) * rfb.framebufferWidth + x;
// // for (i = 0; i < w; i++) {
// // pixels24[destOffset + i] = (buf[srcOffset] & 0xFF) << 16 | (buf[srcOffset + 1] & 0xFF) << 8
// // | (buf[srcOffset + 2] & 0xFF);
// // srcOffset += 3;
// // }
// // }
// // }
// // }
// }
return
}

13
main.go
View File

@ -4,9 +4,10 @@ import (
"fmt"
"net"
"time"
"vncproxy/client"
"vncproxy/common"
"vncproxy/encodings"
"vncproxy/client"
listeners "vncproxy/tee-listeners"
)
func main() {
@ -21,11 +22,18 @@ func main() {
authArr := []client.ClientAuth{&client.PasswordAuth{Password: "Ch_#!T@8"}, &noauth}
vncSrvMessagesChan := make(chan common.ServerMessage)
rec := listeners.NewRecorder("c:/Users/betzalel/recording.rbs")
split := &listeners.MultiListener{}
split.AddListener(rec)
clientConn, err := client.Client(nc,
&client.ClientConfig{
Auth: authArr,
ServerMessageCh: vncSrvMessagesChan,
Exclusive: true,
Listener: split,
})
if err != nil {
@ -37,6 +45,7 @@ func main() {
// }
tight := encodings.TightEncoding{}
tightPng := encodings.TightPngEncoding{}
//rre := encodings.RREEncoding{}
//zlib := encodings.ZLibEncoding{}
//zrle := encodings.ZRLEEncoding{}
@ -47,7 +56,7 @@ func main() {
// defer file.Close()
//tight.SetOutput(file)
clientConn.SetEncodings([]common.Encoding{&cpyRect, &tight})
clientConn.SetEncodings([]common.Encoding{&cpyRect, &tightPng, &tight})
go func() {
for {

View File

@ -3,6 +3,7 @@ package server
import (
"encoding/binary"
"fmt"
"vncproxy/common"
"io"
)
@ -126,7 +127,7 @@ func ServerSecurityHandler(cfg *ServerConfig, c *ServerConn) error {
}
func ServerServerInitHandler(cfg *ServerConfig, c *ServerConn) error {
srvInit := &ServerInit{
srvInit := &common.ServerInit{
FBWidth: c.Width(),
FBHeight: c.Height(),
PixelFormat: *c.PixelFormat(),

View File

@ -19,12 +19,7 @@ var DefaultClientMessages = []common.ClientMessage{
&ClientCutText{},
}
type ServerInit struct {
FBWidth, FBHeight uint16
PixelFormat common.PixelFormat
NameLength uint32
NameText []byte
}
//var _ Conn = (*ServerConn)(nil)

View File

@ -8,22 +8,25 @@ import (
"os"
"time"
"vncproxy/common"
"vncproxy/server"
)
type Recorder struct {
//common.BytesListener
RBSFileName string
writer *os.File
logger common.Logger
startTime int
buffer bytes.Buffer
RBSFileName string
writer *os.File
logger common.Logger
startTime int
buffer bytes.Buffer
serverInitMessage *common.ServerInit
sessionStartWritten bool
}
func getNowMillisec() int {
return int(time.Now().UnixNano() / int64(time.Millisecond))
}
func NewRecorder(saveFilePath string, desktopName string, fbWidth uint16, fbHeight uint16) *Recorder {
func NewRecorder(saveFilePath string) *Recorder {
//delete file if it exists
if _, err := os.Stat(saveFilePath); err == nil {
os.Remove(saveFilePath)
@ -33,16 +36,25 @@ func NewRecorder(saveFilePath string, desktopName string, fbWidth uint16, fbHeig
var err error
rec.writer, err = os.OpenFile(saveFilePath, os.O_RDWR|os.O_CREATE, 0755)
rec.writeStartSession(desktopName, fbWidth, fbHeight)
if err != nil {
fmt.Printf("unable to open file: %s, error: %v", saveFilePath, err)
return nil
}
return &rec
}
// func (rec *Recorder) startSession(desktopName string, fbWidth uint16, fbHeight uint16) error {
// err := rec.writeStartSession(desktopName, fbWidth, fbHeight)
// if err != nil {
// fmt.Printf("Recorder was unable to write StartSession to file error: %v", err)
// return nil
// }
// return nil
// }
const versionMsg_3_3 = "RFB 003.003\n"
const versionMsg_3_7 = "RFB 003.007\n"
const versionMsg_3_8 = "RFB 003.008\n"
@ -61,7 +73,11 @@ const (
// // df.write("FBS 001.000\n".getBytes());
// }
func (r *Recorder) writeStartSession(desktopName string, framebufferWidth uint16, framebufferHeight uint16) error {
func (r *Recorder) writeStartSession(initMsg *common.ServerInit) error {
desktopName := string(initMsg.NameText)
framebufferWidth := initMsg.FBWidth
framebufferHeight := initMsg.FBHeight
//write rfb header information (the only part done without the [size|data|timestamp] block wrapper)
r.buffer.WriteString("FBS 001.000\n")
@ -90,6 +106,9 @@ func (r *Recorder) writeStartSession(desktopName string, framebufferWidth uint16
func (r *Recorder) Consume(data *common.RfbSegment) error {
switch data.SegmentType {
case common.SegmentMessageSeparator:
if !r.sessionStartWritten {
r.writeStartSession(r.serverInitMessage)
}
switch common.ServerMessageType(data.UpcomingObjectType) {
case common.FramebufferUpdate:
r.writeToDisk()
@ -105,6 +124,18 @@ func (r *Recorder) Consume(data *common.RfbSegment) error {
case common.SegmentBytes:
_, err := r.buffer.Write(data.Bytes)
return err
case common.SegmentServerInitMessage:
r.serverInitMessage = data.Message.(*common.ServerInit)
case common.SegmentFullyParsedClientMessage:
clientMsg := data.Message.(common.ClientMessage)
switch clientMsg.Type() {
case common.SetPixelFormatMsgType:
clientMsg := data.Message.(*server.SetPixelFormat)
r.serverInitMessage.PixelFormat = clientMsg.PF
default:
return errors.New("unknown client message type:" + string(data.UpcomingObjectType))
}
default:
return errors.New("undefined RfbSegment type")

View File

@ -6,11 +6,11 @@ import (
"vncproxy/common"
)
type PassListener struct {
type WriteToListener struct {
io.Writer
}
func (p *PassListener) Consume(seg *common.RfbSegment) error {
func (p *WriteToListener) Consume(seg *common.RfbSegment) error {
switch seg.SegmentType {
case common.SegmentMessageSeparator:
case common.SegmentRectSeparator: