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https://github.com/quarkslab/proxyblob
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atsika
45 lines
2.0 KiB
Go
45 lines
2.0 KiB
Go
// Package protocol defines the communication protocol between proxy and agent.
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package protocol
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import (
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"proxyblob/pkg/transport"
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)
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// Protocol error codes for agent-server communication.
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// Uses byte values to minimize binary size and network traffic.
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const (
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// General errors (0-9)
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ErrNone byte = 0 // Operation completed successfully
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ErrInvalidCommand byte = 1 // Command type is not recognized
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ErrContextCanceled byte = 2 // Context canceled
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// Connection errors (10-19)
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ErrConnectionClosed byte = 10 // Connection was terminated
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ErrConnectionNotFound byte = 11 // Connection ID does not exist
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ErrConnectionExists byte = 12 // Connection ID already in use
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ErrInvalidState byte = 13 // Connection in wrong state for operation
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ErrPacketSendFailed byte = 14 // Packet transmission failed
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ErrHandlerStopped byte = 15 // Protocol handler is not running
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ErrUnexpectedPacket byte = 16 // Received unexpected packet type
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// Transport errors (20-29)
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ErrTransportClosed byte = transport.ErrTransportClosed // Transport layer terminated
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ErrTransportTimeout byte = transport.ErrTransportTimeout // Transport operation timed out
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ErrTransportError byte = transport.ErrTransportError // Transport operation failed
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// SOCKS errors (30-39)
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ErrInvalidSocksVersion byte = 30 // Unsupported SOCKS protocol version
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ErrUnsupportedCommand byte = 31 // SOCKS command not implemented
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ErrHostUnreachable byte = 32 // Target host not accessible
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ErrConnectionRefused byte = 33 // Target refused connection
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ErrNetworkUnreachable byte = 34 // Network path not accessible
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ErrAddressNotSupported byte = 35 // Address format not supported
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ErrTTLExpired byte = 36 // Time-to-live exceeded
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ErrGeneralSocksFailure byte = 37 // Unspecified SOCKS failure
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ErrAuthFailed byte = 38 // Authentication rejected
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// Packet errors (40-49)
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ErrInvalidPacket byte = 40 // Malformed packet structure
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ErrInvalidCrypto byte = 41 // Cryptographic operation failed
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)
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