Script Library: 1218 scripts
 

telnet.r

REBOL [ Title: "Telnet protcol scheme" Date: 6-Jul-2001/17:51 Version: 1.0.1.1 File: %telnet.r Author: "Frank Sievertsen" Usage: { read telnet://user:%password--host/command port: open telnet://user:%password--host/command port: open telnet://user:%password--host/ port: open telnet://host/ You will habe to use "copy" more than once to receive data from the port. } Purpose: "A telnet protocol scheme" History: [ 1.1.0 2-Jul-2001 "Original version" 1.1.1 6-Jul-2001 "Returns none, when connection closed" ] Email: %fsievert--uos--de library: [ level: 'advanced platform: none type: 'protocol domain: [ldc other-net tcp] tested-under: none support: none license: none see-also: none ] ] make Root-Protocol [ scheme: 'telnet port-id: 23 port-flags: system/standard/port-flags/pass-thru tmp: none open: func [port /local in] [ open-proto port if any [port/target port/path] [ if not port/target [port/target: ""] if port/path [insert port/target port/path] ] port/state/flags: port/state/flags or system/standard/port-flags/direct or 32 or 2051; No-Wait, BINARY (51) (2048) port/sub-port/state/flags: port/sub-port/state/flags or 2051 or 32 if all [port/user port/pass] [ in: make string! 100 until [ append in copy port find in "login:" ] system/words/insert port/sub-port join port/user "^/" clear in until [ append in copy port find in "password" ] system/words/insert port/sub-port join port/pass "^/" while ["" <> copy port] [] if port/target [ system/words/insert port/sub-port join port/target ";exit^/" clear in forever [ wait port/sub-port tmp: make string! 100 if zero? read-io port/sub-port tmp 100 [break] append in tmp ] port/user-data: in ] ] ] copy: func [port /part range /local in num] [ either port/user-data [ port/user-data ] [ in: make string! 100 out: make string! 100 forever [ num: 1 while [wait [0 port/sub-port]] [ tmp: make string! 100 if zero? num: read-io port/sub-port tmp 100 [break] append in tmp ] if zero? num [break/return none] if parser/incoming in out [ write-io port/sub-port out length? out break/return in ] system/words/wait port/sub-port ] ] ] insert: func [port data] [ system/words/insert port/sub-port data ] parser: make object! [ s-will: to-char 251 s-wont: to-char 252 s-do: to-char 253 s-dont: to-char 254 iac: to-char 255 sb: to-char 250 se: to-char 240 required: to-char 1 supplied: to-char 0 non-command: complement charset reduce [iac] terminal-type: to-char 24 terminal-speed: to-char 32 suppress-go-ahead: to-char 3 echo: to-char 1 tmp: none send: func [block [block!]] [ system/words/append out-port to-binary join iac reduce block ] sb-data: [ iac se | skip sb-data ] start: end: none data: [any [ start: iac [ s-do terminal-type ( send [s-will terminal-type] ) | s-do echo ( ; Ignore ) | sb terminal-type required iac se ( send [sb terminal-type supplied "vt100" iac se] ) ; DEFAULTS | sb sb-data | s-do copy tmp skip ( send [s-wont tmp] ) | s-will copy tmp skip ( send [s-dont tmp] ) | s-wont copy tmp skip ( ;Ignore ) | s-dont copy tmp skip ( ;Ignore ) ] end: (remove/part start end) :start | non-command ]] out-port: none incoming: func [str [any-string!] port [port! any-string!]] [ out-port: port parse/all str data ] ] net-utils/net-install :scheme self port-id ]
halt ;; to terminate script if DO'ne from webpage
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