mirror of
https://github.com/kasmtech/KasmVNC.git
synced 2024-12-11 17:30:44 +01:00
148 lines
3.4 KiB
Plaintext
148 lines
3.4 KiB
Plaintext
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5.1.1 ProtocolVersion: 12, 12 bytes
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- Sent by server, max supported
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12 ascii - "RFB 003.008\n"
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- Response by client, version to use
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12 ascii - "RFB 003.003\n"
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5.1.2 Authentication: >=4, [16, 4] bytes
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- Sent by server
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CARD32 - authentication-scheme
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0 - connection failed
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CARD32 - length
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length - reason
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1 - no authentication
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2 - VNC authentication
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16 CARD8 - challenge (random bytes)
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- Response by client (if VNC authentication)
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16 CARD8 - client encrypts the challenge with DES, using user
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password as key, sends resulting 16 byte response
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- Response by server (if VNC authentication)
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CARD32 - 0 - OK
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1 - failed
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2 - too-many
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5.1.3 ClientInitialisation: 1 byte
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- Sent by client
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CARD8 - shared-flag, 0 exclusive, non-zero shared
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5.1.4 ServerInitialisation: >=24 bytes
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- Sent by server
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CARD16 - framebuffer-width
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CARD16 - framebuffer-height
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16 byte PIXEL_FORMAT - server-pixel-format
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CARD8 - bits-per-pixel
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CARD8 - depth
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CARD8 - big-endian-flag, non-zero is big endian
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CARD8 - true-color-flag, non-zero then next 6 apply
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CARD16 - red-max
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CARD16 - green-max
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CARD16 - blue-max
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CARD8 - red-shift
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CARD8 - green-shift
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CARD8 - blue-shift
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3 bytes - padding
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CARD32 - name-length
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CARD8[length] - name-string
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Client to Server Messages:
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5.2.1 SetPixelFormat: 20 bytes
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CARD8: 0 - message-type
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...
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5.2.2 FixColourMapEntries: >=6 bytes
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CARD8: 1 - message-type
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...
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5.2.3 SetEncodings: >=8 bytes
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CARD8: 2 - message-type
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CARD8 - padding
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CARD16 - numer-of-encodings
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CARD32 - encoding-type in preference order
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0 - raw
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1 - copy-rectangle
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2 - RRE
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4 - CoRRE
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5 - hextile
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5.2.4 FramebufferUpdateRequest (10 bytes)
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CARD8: 3 - message-type
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CARD8 - incremental (0 for full-update, non-zero for incremental)
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CARD16 - x-position
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CARD16 - y-position
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CARD16 - width
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CARD16 - height
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5.2.5 KeyEvent: 8 bytes
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CARD8: 4 - message-type
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CARD8 - down-flag
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2 bytes - padding
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CARD32 - key (X-Windows keysym values)
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5.2.6 PointerEvent: 6 bytes
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CARD8: 5 - message-type
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CARD8 - button-mask
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CARD16 - x-position
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CARD16 - y-position
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5.2.7 ClientCutText: >=9 bytes
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CARD8: 6 - message-type
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...
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Server to Client Messages:
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5.3.1 FramebufferUpdate
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CARD8: 0 - message-type
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1 byte - padding
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CARD16 - number-of-rectangles
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CARD16 - x-position
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CARD16 - y-position
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CARD16 - width
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CARD16 - height
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CARD16 - encoding-type:
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0 - raw
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1 - copy rectangle
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2 - RRE
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4 - CoRRE
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5 - hextile
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raw:
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- width x height pixel values
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copy rectangle:
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CARD16 - src-x-position
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CARD16 - src-y-position
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RRE:
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CARD32 - N number-of-subrectangles
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Nxd bytes - background-pixel-value (d bits-per-pixel)
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...
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5.3.2 SetColourMapEntries (no support)
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CARD8: 1 - message-type
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...
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5.3.3 Bell
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CARD8: 2 - message-type
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5.3.4 ServerCutText
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CARD8: 3 - message-type
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