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#! /usr/bin/rebol274 -qs REBOL [ File: %netscan.r Date: 17-Dec-2006 Title: "NetScan" Version: 1.0 Author: "François Jouen" Rights: {Copyright © EPHE 2006} Purpose: {How to scan a computer network with Rebol} library: [ level: 'intermediate platform: 'all type: 'tool domain: [shell tcp] tested-under: all plateforms support: none license: 'BSD see-also: none ] ] Quit-Requested: does [ if (confirm/with "Really Quit ?" ["Yes" "No"]) [quit] ] ;some variables Local_host_address: system/network/host-address local_host_name: system/network/host broacast_address: Local_host_address + buffer: copy "" ;which version of os Get_Os: does [ switch system/version/4 [ 3 [os: "Windows" countos: "n"] 2 [os: "MacOSX" countos: "c"] 4 [os: "Linux" countos: "c"] 5 [os: "BeOS" countos: "c"] 7 [os: "NetBSD" countos: "c"] 9 [os: "OpenBSD" countos: "c"] 10 [os: "SunSolaris" countos: "c"] ] ] ;explore the network Scan_Net: does [ if error? try [ stime: now/time status/text: "Scanning Network ...." show status netw/text: "" netw/line-list: none show netw ; first a ping test to the network broadcast address in order to refresh arp table data commande: join "ping " ["-" countos " " 1 " " broacast_address] if os = "MacOSX" [wait 0.01] ; call external call call/output commande buffer if os = "MacOSX" [wait 0.01] ; now we can use arp protocol to know the active computers commande: "arp -a" call/output commande %arp.txt netw/text: read/string %arp.txt etime: now/time diff: etime - stime status/text: join "Process completed in " diff] [status/text: "Error in Network scanning"] show [netw status] ] Get_OS ServerWin: layout [ across space 5x5 at 8x5 osinfo: info os 100 center info 100 to-string Local_host_address btn 100 "Scan Network" [Scan_Net] btn 70 "Quit" [Quit-Requested] space 0x0 at 5x50 netw: area 380x150 white white sl: slider 16x150 [scroll-para netw sl] at 5x205 status: info 395 "" ] deflag-face netw tabbed view/new center-face ServerWin insert-event-func [ either all [event/type = 'close event/face = ServerWin][quit-requested][event] ] do-events
halt ;; to terminate script if DO'ne from webpage