Article View: comp.sys.mac
Article #27611Vaccine: what can trigger it
From: Joel B Levin
Date: Fri, 29 Apr 1988 20:48
Date: Fri, 29 Apr 1988 20:48
33 lines
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1683 bytes
(From the most recent DELPHI digest)
: From: MACWEEKBOS
: Subject: Re: Vaccine and Font/DA Mover (Re: Msg 26280)
: Date: 14-APR 13:44 Network Digests
:
: I just tried to cause a problem running Font/DA Mover 3.6 with Vaccine
: installed. I tried it with both System 4.2/Finder 5.1 and the current
: System and Finder and could not get Vaccine to trigger, although it
: could be triggered by other programs.
:
: Ric Ford
I have MacNosy'd Vaccine a little, and it looks as if Font/DA Mover
may well not trigger it. Vaccine doesn't seem to look at whether the
System file is being modified; rather it looks at the resource types
instead. The traps AddResource and ChangedResource are patched, and
Vaccine is triggered if the resource type argument is one of the
following list:
INIT, DSAT, PTCH, CODE, MDEF, WDEF, CDEF, nVIR, PACK
If you are not modifying a DA with one of these resources then you
should not trigger Vaccine.
Disclaimer: I don't remember whether there were some other traps
patched which I didn't examine; so maybe there is another check for
whether certain files are being written.
/JBL
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Path: arc1-ca.pugleaf.net!utzoo!mnetor!uunet!husc6!bloom-beacon!mit-eddie!bbn!bbn.com!levin From: levin@bbn.com (Joel B Levin) Newsgroups: comp.sys.mac Subject: Vaccine: what can trigger it Message-ID: <24078@bbn.COM> Date: 29 Apr 88 20:48:48 GMT Sender: news@bbn.COM Reply-To: levin@BBN.COM (Joel B Levin) Organization: BBN Communications Corporation Lines: 33