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40 lines
909 B
Plaintext
40 lines
909 B
Plaintext
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@startuml
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box dom0 #eee
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participant "client" as c
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participant "daemon domX" as d
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end box
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box domX #eee
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participant "agent" as ax
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participant "fork-server" as fx
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end box
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-> c: qrexec-client\n-d dom0\nuser:cmd
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activate c
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c -> d: MSG_EXEC_CMDLINE\ndom0,0,user:cmd
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activate d
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note right: negotiate port\nand run user:cmd
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rnote over d #fff: allocate port 513
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d -> c: MSG_EXEC_CMDLINE\ndomX,513
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rnote over c #fff: start vchan server\n on port 513
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d -> ax: MSG_EXEC_CMDLINE\ndom0,513,user:cmd
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deactivate d
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activate ax
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ax -> fx: MSG_EXEC_CMDLINE\ndom0,513,user:cmd
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deactivate ax
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activate fx
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rnote over fx #fff: start cmd (as user)
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fx --> c: connect over vchan port 513
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-> c: stdin
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c -> fx: MSG_DATA_STDIN ...
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fx -> c: MSG_DATA_STDOUT / MSG_DATA_STDERR ...
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<- c: stdout / stderr
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rnote over fx #fff: cmd exits
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fx -> c: MSG_DATA_EXIT_CODE 0
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deactivate fx
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<- c: exit with code 0
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deactivate c
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@end uml
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