User TCP-CL telnetd login shell |
| | | | | |
+-start-telnet | | | | |
|--tcp-cl-connect-->| | | | |
| |---SYN--->| | | |
| | +-invoked-via-inetd | | |
| |<-SYN+ACK-| | | |
|<-tcp-cl-connected-| | | | |
| |---ACK--->| | | |
| | +-alloc-pty-create-login | | |
| | |------Invoke-login------>| | |
| | |<---------stdout---------| | |
| |<---DATA--| | | |
| |---ACK--->| | | |
|<--tcp-cl-receive--| | | | |
|----tcp-cl-send--->| | | | |
| |---DATA-->| | | |
| |<---ACK---| | | |
| | |----------stdin--------->| | |
| | |<---------stdout---------| | |
| |<---DATA--| | | |
| |---ACK--->| | | |
|<--tcp-cl-receive--| | | | |
|----tcp-cl-send--->| | | | |
| |---DATA-->| | | |
| |<---ACK---| | | |
| | |----------stdin--------->| | |
| | |<---------stdout---------| | |
| | | |-Invoke-shell->| |
| | |<-----------------stdout-----------------| |
| |<---DATA--| | | |
| |---ACK--->| | | |
|<--tcp-cl-receive--| | | | |
+-enter-cd | | | | |
|----tcp-cl-send--->| | | | |
| |---DATA-->| | | |
| |<---ACK---| | | |
| | |------------------stdin----------------->| |
| | |<-----------------stdout-----------------| |
| |<---DATA--| | | |
| |---ACK--->| | | |
|<--tcp-cl-receive--| | | | |
| | |<-----------------stdout-----------------| |
| |<---DATA--| | | |
| |---ACK--->| | | |
|<--tcp-cl-receive--| | | | |
+-enter-ls | | | | |
|----tcp-cl-send--->| | | | |
| |---DATA-->| | | |
| |<---ACK---| | | |
| | |------------------stdin----------------->| |
| | |<-----------------stdout-----------------| |
| |<---DATA--| | | |
| |---ACK--->| | | |
|<--tcp-cl-receive--| | | | |
| | |<-----------------stdout-----------------| |
| |<---DATA--| | | |
| |---ACK--->| | | |
|<--tcp-cl-receive--| | | | |
+-enter-exit | | | | |
|----tcp-cl-send--->| | | | |
| |---DATA-->| | | |
| |<---ACK---| | | |
| | |------------------stdin----------------->| |
| | |<-----------------stdout-----------------| |
| |<---DATA--| | | |
| |---ACK--->| | | |
|<--tcp-cl-receive--| | | | |
| | |<-------------------eof------------------| |
| |<---FIN---| | | |
| |-FIN+ACK->| | | |
|<---tcp-cl-closed--| | | | |
+-exit-telnet | | | | |