#######################################################################
#                                                                     #
#   This script is a small host (like the one in ProComm(TM))         #
#                                                                     #
#   It's not fairly well tested but maybe someone is in the mood      #
#   to play around with it a bit more and make the result available   #
#   on the internet or packaged with ZOC                              #
#                                                                     #
#   It takes incoming calls and lets the user change directory,       #
#   show directories and send/receive files.                          #
#                                                                     #
#   Possible extensions:                                              #
#    * TYPE command to show ASCII files                               #
#    * options for DIR (like /o or /a)                                #
#    * other non-interactive shell commands (like DEL)                #
#    * page system owner for a chat                                   #
#    * more sophisticated timeout control for dropped connections     #
#                                                                     #
#######################################################################

// This SCRIPT requires the following options to be set
// * Host Echo On (Options, Terminal)
// * Ascii Delay 0 (Options, Transfer)


// Set script to exact mode and modem to 
// auto answer
exact 1
send "ATS0=1"

// ENTRY 
// * wait for connect and set serial speed
// * ask for password
// * hangup if pw wrong
:allover
	wait CONNECT		;// wait for connect

	wait "^M"  			;// the stuff after connect is the speed
	baud "%lastline%"

	// show welcome screen
	send "^[[2J"
	send "Welcome!^M^J^M^J"
	send "Enter Password :"
	timeout 60
	waitline 
	seta pass "%lastline%"
	lower pass
	rtrim pass
	compa "%pass%" with "secret"
	ifnequ	goto endit		;// sorry hacker

	seta curdir "C:\."

// MENU
// * show menu
// * call subroutine accordingly
:menu
	timeout 300
	seta choice " "
	send "^M^J^M^J"
	send "[%curdir%] Your Choice (cd/dir/zu/zd/exit) ? "
	waitline

	// forget it if WAITLINE timed out or if NO CARRIER occured
	ifbrk goto endit	
	compa "%lastline%" with "NO CARRIER"
	ifin goto endit

	// text cosmetics for user input
	seta choice "%lastline%"
	lower choice
	ltrim choice
	rtrim choice

	// change directory
	compa "%choice%" with "cd"
	ifequ call chdir

	// show directory
	compa "%choice%" with "dir"
	ifequ call showdir

	// receive file from remote station
	// (upload from remote point of view)
	compa "%choice%" with "zu"
	ifequ call upload

	// send file to remote station
	// (download from remote point of view)
	compa "%choice%" with "zd"
	ifequ call download

	// exit/hangup
	compa "%choice%" with "exit"
	ifequ goto endit

	goto menu

// ENDIT 
// * hang up line
// * do it all over
:endit
	hangup
	goto allover




#####################################################################
#   SUBROUTINES                                                     #  
#####################################################################

// CHANGE DIRECTORY
// * get input from user and store directory
// * append '.' to root directories (for sake of upload)
:chdir
	send "^M^JEnter directory: "
	waitline
	seta curdir "%lastline%"
	seta lastchar "%curdir%" -1 
	compa "%lastchar%" with "\"
	ifequ seta curdir "%curdir%."
	return


// SHOW DIRECTORY
// * run directory command with output redirection
// * show redirected output via ASCII upload
// * delete redirection file
:showdir
	shell "dir %curdir% >shellout.tmp"
	upload a "shellout.tmp" 
	shell "del shellout.tmp"
	return


// RECEIVE FILE FROM REMOTE STATION
// * no USER input required (it's an upload from their point of view)
:upload
	send "^M^JPlease start your Zmodem upload or press ^^X "
	send "several times to abort. "
	download z "%curdir%"
	return


// SEND FILE TO REMOTE STATION
// * get a file name
// * (it's a download from their point of view)
:download
	send "^M^JPlease enter the name of the file  "
	send "you want to receive from the ^M^J"
	send "%curdir% directory: "
	wait "^M"
	seta file "%lastline%"
	ltrim file
	rtrim file
	compa "%file%" with ""
	ifnequ upload z "%curdir%\\%file%"
	return