Start of channel-listener in application
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@ -7,6 +7,7 @@
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(require "ssh-numbers.rkt")
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(require "ssh-transport.rkt")
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(require "ssh-session.rkt")
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(require "ssh-channel.rkt")
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(require "ssh-message-types.rkt")
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(require "ssh-exceptions.rkt")
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(require "os2-support.rkt")
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@ -25,8 +26,67 @@
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peer-identification-string)))
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(define (repl-boot self-pid)
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(write 'repl-boot) (newline) (flush-output)
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'no-repl-state)
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(transition 'no-repl-state
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(role 'spy (or (topic-subscriber (wild) #:virtual? #t)
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(topic-publisher (wild) #:virtual? #t))
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#:state state
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[message
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(write `(APP ,message))
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(newline)
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(flush-output)
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state])
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(at-meta-level
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(role 'channel-listener (topic-subscriber (channel-message (channel-stream-name #t (wild))
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(wild)))
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#:state state
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#:topic t
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#:on-presence
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(if (topic-virtual? t)
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state
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(match t
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[(topic _ (channel-message (channel-stream-name _ cname) _) _)
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(transition state (spawn (repl-instance cname) #:debug-name cname))]))))))
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(define (repl-instance cname)
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(define inbound-stream (channel-stream-name #t cname))
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(define outbound-stream (channel-stream-name #f cname))
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(define (handle-channel-message state body)
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(match body
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[(channel-stream-request #"pty-req" _)
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(transition state
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(at-meta-level (send-message (channel-message inbound-stream (channel-stream-ok))
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'subscriber)))]
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[m
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(write `(channel inbound ,m)) (newline)
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state]))
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(match (channel-name-type cname)
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[#"session"
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(transition 'no-instance-state
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(at-meta-level
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(role 'input (topic-subscriber (channel-message inbound-stream (wild)))
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#:state state
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#:on-presence (transition state (at-meta-level
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(send-message
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(channel-message inbound-stream
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(channel-stream-config
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(default-packet-limit)
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#""))
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'subscriber)))
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[(channel-message _ body)
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(handle-channel-message state body)]))
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(at-meta-level
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(role 'output (topic-publisher (channel-message outbound-stream (wild)))
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#:state state
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[m
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(write `(channel outbound ,cname ,m)) (newline)
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state])))]
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[type
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(transition 'no-instance-state
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(at-meta-level (send-message
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(channel-message outbound-stream
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(channel-stream-open-failure
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SSH_OPEN_UNKNOWN_CHANNEL_TYPE
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(bytes-append #"Unknown channel type " type))))))]))
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(define (connection-handler local-addr remote-addr)
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(define local-identification #"SSH-2.0-RacketSSH_0.0")
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@ -113,7 +173,7 @@
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(transition 'no-state
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(spawn (timer-driver 'timer-driver))
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(spawn tcp-driver #:debug-name 'tcp-driver)
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;;(spawn tcp-spy #:debug-name 'tcp-spy)
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(spawn tcp-spy #:debug-name 'tcp-spy)
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(spawn (transition 'no-state
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(role 'connection-waiter (topic-subscriber (tcp-channel (wild) server-addr (wild))
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@ -630,13 +630,13 @@
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(! conn (ssh-msg-channel-open (channel-name-type cname)
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(ssh-channel-local-ref ch)
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0
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(default-packet-limit)
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maximum-packet-size
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extra-data))
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;; This must be intended to form the SSH_MSG_CHANNEL_OPEN_CONFIRMATION.
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(! conn (ssh-msg-channel-open-confirmation remote-ref
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(ssh-channel-local-ref ch)
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0
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(default-packet-limit)
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maximum-packet-size
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extra-data)))]
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[(channel-stream-credit count)
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(! conn (ssh-msg-channel-window-adjust remote-ref count))]
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