The Hacker Chronicles - A Tour of the Computer Underground

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Text File | 1992-09-26 | 18KB | 527 lines

--NOTE!: -- The original file for this text disappeared. All of the text below --was scanned from the printouts on hand. Please check for subtle --errors in code listing (eg. l instead of 1). -- --=========================================================== Information on CALLID.PNT, the Caller*Id to RS-232 interface MacPaint file in this forum: [Converted to gif for IBM users] Several states now offer Caller*Id services. Caller*Id is an extra price option, available from your local telephone company, that provides the telephone number of the person calling you. The telephone number is delivered to a separate unit, the Caller*Id interface. This interface is available from several dealers (Sears, AT&T Phone Stores, etc), and must be purchased separately. The current model is the 125C, priced at about $60 from Sears. All the interface units (125, 125A, 125B and the current 125C) have the same drawback: they only display the telephone number of the caller, not the caller's name. That can make it difficult to "filter" people you don't want to talk to (like that annoying magazine subscription person). The circuit in CALLID.PNT provides a method of obtaining that information. Inside all of the Caller*Id interfaces is an XR2211 integrated circuit. This "chip" has as it's output the data stream containing the information sent over the telephone line (for you techies, it's a Bell 202 data stream, sent between the first and second ring). All that is necessary to connect the Caller*Id unit to your RS-232 port are: an MC1488 integrated circuit (available from Radio Shack, for about $l) and a resistor (lOOK Ohm 1/4 watt, also available from Radio Shack). The MC1488 "boosts" the output voltage to the level expected by the RS-232 port on your computer, and the resistor provides some isolation and reduces the voltage drop on the output of the MC1488. The MC1488 needs a +/- 12volt power supply. If you have one, you're all set. If not, Radio Shack sells small 9 volt power supplies for S5-6 each; you can put two back-to-back to get a +/- 9 volt supply, which is close enough. You could use a couple of 9volt batteries, too. Everything, excluding the power supplies, fits into the Caller*id interface case. I used a little hot-melt glue to place the MC1488 in an unused circuit board area (watch out for the plastic standoffs on the case!). Small gauge wire (or wire-wrap wire) connects the components together. If you're uncomfortable soldering to the integrated circuits, you can pick up IC jumper clips at Radio Shack as well (that way you can easily remove the "modification"). I bring the RS-232 pin 3 and pin 7 connections to a 1/8 inch mini-phone jack, which I mounted on the case near the existing telephone jacks. Once the circuit is built, what do you do with it? I use a Hypercard Stack built on the EXCELLENT Portfolio Hyper System (PHS), by Bob Davis 70625,717, to look up the phone number, announce the caller (using Macintalk) and provide filtering (based on time of day and flags on the caller's record). I log all incoming calls, both to a separate file and to the record of the caller. My stack also contains records for telephone exchanges, so if the specific number is not found, it will announce where (what town) the call is coming from. In addition, since I have two Macintosh computers, I broadcast the information over Appletalk, so both machines can announce the caller. That should give you enough ideas! Following is an extract of the major portion of the Hypercard script I use. I can't upload the entire stack, since it's part of PHS. It should give you enough of the logic needed to build your own application. By the way, all of this is PUBLIC DOMAIN, for NON-COMERCIAL USE. If you want to sell something with this, send me an EMAIL and we can discuss it. Mace Moneta CIS 73167,1546 -- CallerID Support Code - COPYRIGHT 1989, 1990 BY Mace Moneta --=========================================================== -- ALL RIGHTS RESERVED. -- FOR MORE INFORMATION CONTACT THE AUTHOR DIRECTLY. ------------------------------------------------------------- -- -- Put the IDLE handler to sleep while editing a field -- on openField global editingField put true into editingField end openField -- -- Wakeup the IDLE handler when finished field editing -- on closeField global editingField put false into editingField end closeField -- -- OPEN STACK -- on openStack -- -- Cache the stack in memory for fastest access -- set cursor to watch set lockScreen to true show all cards set lockScreen to false set cursor to none -- -- Initialize Variables -- global editingField,lastLookup global globalATPData, globalResponseData global globalReceiveData, myEntityName global globalSKTData, globalNBPData global modemData,myName,serverName,EotDC2,EotHT global soundList,soundCount,serialBuffer put false into editingField put sndList() into soundList put the number of lines in soundList into soundCount put empty into globalResponseData put empty into globalAppleTalkData put empty into modemData put empty into serverName put numToChar(4) & numToChar(18) into EotDC2 put numToChar(4) & numToChar(9) into EotHT put the seconds into lastLookup -- -- Before we can become an entity on the network, we must first -- open up access to the network. ATPOPEN performs this function -- and relies on the variable "globalAppleTalkDATA". -- Since ATPOPEN is not given a parameter, it will open both a client -- and a server side allowing us to both issue requests and respond -- to requests. -- ATPOpen if the result is empty then -- -- If ATPOPEN was successful we can go ahead and register our name -- with the network. -- NBPOpen -- -- We'll use the number of elapsed 1/60's of a second since IPL -- -- as our unique "name". -- put the ticks into myName put "CallerID" into myType NBPRegisterName myName,myType if the result is not empty then -- -- We had a problem connecting! -- answer "Error connecting to AppleTalk!" with "Ok" end if end if -- -- Initialize the serial port to 1200bps, 1 stop, 8 data bits, -- no parity. -- put serialHandler("open","A",1200,8,"none",1,"CTS",1024) B into serialBuffer end openStack on goingElsewhere -- -- If we are leaving this stack (quiting or opening another stack) -- terminate our session on Appletalk and close the serial port. -- global serialBuffer put empty into globalResponseData put empty into globalAppleTalkData NBPClose ATPClose get serialHandler("close","A",serialBuffer) end goingElsewhere -- -- CLOSE STACK -- on closeStack goingElsewhere end closeStack -- -- IDLE -- on idle global editingField,lastLookup global talkName,talkKeyword,EotDC2,EotHT global globalResponseData,globalReceiveData global modemData,myName,serverName,dataSource global soundList,soundCount,serialBuffer if editingField then exit idle -- -- Initialize variables -- put empty into modemData put empty into talkName put empty into talkKeyword put false into outOfArea set cursor to hand -- -- Check for activity on the serial port -- put serialHandler("get","A",3) into modemData -- -- If we got something, remember where it came from. -- if modemData is not empty then put "fromComm" into dataSource -- -- If nothing came in over the serial port, check the other Mac, -- to see it it got anything -- -- First, check to see if a "CallerID" server is on the network -- (a copy of this Hypercard stack, running on another machine) -- put the seconds into it if serverName is empty and it > lastLookup then set cursor to watch put the seconds + 30 into lastLookup put NBPLookupNames("CallerID","*","20","2","8") into entityNames repeat with x=l to the number of lines in entityNames put line x of entityNames into it if "CallerID" is in item 2 of it and myName is not in item 1 of it then put item 1 of it into serverName exit repeat end if end repeat end if -- -- Now ask the network for data -- if modemData is empty and serverName is not empty then ATPReceive "HandleReceive" -- -- If we got something, remember where it came from. -- if modemData is not empty then put "fromAT" into dataSource end if -- -- Scan the data for EOT DC2 sequence (header for known number) -- or EOT HT (header for Out of Area call or Private - Blocked) -- if modemData is not empty then repeat with i = 1 to the length of modemData if char i to i+1 of modemData is EotHT then put true into outOfArea if char i to i+1 of modemData is EotDC2 or outOfArea then -- -- Header found. Extract the phone number of the caller -- if outOfArea then if char i+6 of modemData is "P" then -- -- We've got a blocked call! Announce as such by -- looking up the record with pseudo phone number -- CAL-LER╤IDBL. -- put "CAL" into areaCode put "LER" into exchange put "IDBL" into number put "CAL-LER-IDBL" into phone else -- -- Just an out of area call. Look up the record -- with pseudo phone number ???-???-???? and announce. -- put "???" into areaCode put "???" into exchange put "????" into number put "???-???-????" into phone end if else -- -- We have an actual phone number! -- put char i+10 to i+20 of modemData into phone put char 1 to 3 of phone into areaCode put char 4 to 6 of phone into exchange put char 7 to 10 of phone into number put areaCode & "-" & exchange & "-" & number into phone end if -- -- If we obtained data from the serial port, -- see if anyone on the network wants our data -- if dataSource contains "fromComm" then ATPSendRequest serverName,modemData, B "HandleSend", 2, 2 0 -- -- If we got an error, the server went bye-bye. Clear -- the serverName, so that we will re-issue the Lookup -- for a server. -- if the result is not empty then put empty into serverName put empty into modemData end if -- -- Define a "trunk" number to search for, incase the full -- number is not found. -- put areaCode & "-" & exchange & "-" & "????" into trunk -- -- Search the directory for the phone number. -- In this stack, each record can contain up to 3 phone -- numbers. They are kept in the background field variables -- (bg fld) "Phone1", "Phone2" and "Phone3". -- get the short name of this card if it is "Index" then go to next card find phone in bg fld "Phone1" if the result is "not found" then find phone in bg fld "Phone2" if the result is "not found" then find phone in bg fld "Phone3" end if end i f -- -- If the number was not found, see if we have a trunk line -- if the result is "not found" then find trunk in bg fld "Phone1" if the result is "not found" then find trunk in bg fld "Phone2" if the result is "not found" then find trunk in bg fld "Phone3" end if end if end if -- -- If we found the entry, extract the callers name and -- invoke the announceCaller routine -- if the result is empty then put bg fld "Name" into talkName put bg fld "Keywords" into talkKeyword announceCaller -- -- Annotate the entry so we know the last call date and time -- get line 1 of bg fld "Note" if it is "NOTE PAD" or word 1 to 2 of it is "Last Call: " then set locktext of bg fld "Note" to false put "Last Call: " && the long date && the time B into line 1 of bg fld "Note" set locktext of bg fld "Note" to true else set locktext of bg fld "Note" to false put "Last Call:" && the long date && the time & return B before line 1 of bg fld "Note" set locktext of bg fld "Note" to true end if -- -- An unknown caller; just announce that there is a call -- if talkName is empty then put "Unknown Caller NOSUFFIX" into talkKeyword put "Telephone Call" into talkName announceCaller end if -- -- Log the call to file "CallerID Log", if on main machine -- if dataSource contains "fromComm" then put "CallerID Log" && word 2 of the long date && B word 4 of the long date into logFile open file logFile -- -- Position at EOF -- repeat read from file logFile for 16834 if it is empty then exit repeat end repeat -- -- Place the data in the log -- put the time into timeStamp if the length of timeStamp < 8 Then B put "O" & timeStamp into timeStamp put the long date into dateStamp put word 1 of dateStamp & tab & B word 2 to 4 of dateStamp into dateStamp write dateStamp & tab & timeStamp & tab & phone & tab & B talkName && "(" & talkKeyword & ")" & return B to file logFile close file logFile end if exit repeat end if end if end repeat end if end idle -- -- This routine is invoked when someone is requesting our data. -- Return the last caller info, and clear it. -- on HandleSend global globalResponseData put empty into globalResponseData end HandleSend -- -- A server is responding to our request for the caller information. -- Place it in modemData, for normal processing. -- on HandleReceive global globalReceiveData,modemData if globalReceiveData is not empty then B put globalReceiveData into modemData end HandleReceive -- -- Dummy handler to provide NOP response. This is automatically -- invoked by the Appletalk routines, when there is no data to transfer. -- on okay end okay -- -- Here we vocalize the name of the caller using MacinTalk, or if a -- digitized sound is available with the same name, we play the sound. -- -- Special values may be passed in the Keyword entry of the directory -- as follows: -- -- 24HR - This caller will be announced no matter what time it is. -- Normally, calls between lOPM and 5AM are not announced. -- IGNORE - This caller will never be announced (call screening). -- NOSUFFIX - This caller will not have the "Calling" word appended -- to his/her name when being announced. Normally, callers -- are announced as "name Calling" (eg. Joe Shmoe Calling). -- on announceCaller -- -- Get the callers name and the keywords defined for him/her -- global talkName,talkKeyword,soundList,soundCount -- -- Get the current hour, in 24 hour format -- put the time into timeCheck convert timeCheck to dateitems -- If it is after 1OPM and before 5AM, don't announce the caller. -- If the caller has the special "IGNORE" keyword, never announce -- the caller (call screening). put true into sayingIt if item 4 of timeCheck > 22 or B item 4 of timeCheck < 5 or B talkKeyword contains "IGNORE" then put false into sayingIt -- -- If the caller has the special "24HR" keyword, announce the caller -- no matter what time it is. -- if talkKeyword contains "24HR" then put true into sayingIt -- -- If we should announce this caller, do it three times -- if sayingIt then put true into soundNotFound repeat with soundName = 1 to soundCount if line soundName of soundList is talkname then B put false into soundNotFound end repeat put getPVolume() into saveVolume setPVolume(7) if soundNotFound then if "NOSUFFIX" is not in talkKeyword then B put talkName && "Calling" into talkName talk talkName,140,120 wait 1 seconds talk talkName,140,120 wait 1 seconds talk talkName,140,120 else play talkname wait until the sound is "done" wait 1 seconds play talkname wait until the sound is "done" wait 1 seconds play talkname wait until the sound is "done" end if setPVolume(saveVolume) end if end announceCaller ----------------------------------------------------------- -- CallerID Support Code - COPYRIGHT 1989, 1990 BY Mace Moneta -- ALL RIGHTS RESERVED. -- FOR MORE INFORMATION CONTACT THE AUTHOR DIRECTLY. ----------------------------------------------------------- /\ /\ / \ / \ / / / L&F DataSEC \ 914-HAK-VMBS \ / 3/12/24 MNP5 \ / PHALCON/SKISM \/ GHQ Downloaded From P-80 Systems 304-744-2253 Downloaded From P-80 International Information Systems 304-744-2253