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From: pab@security.mitre.org (Paul A. Bicknell)
Newsgroups: comp.sys.novell
Subject: VAPs and File I/O
Message-ID: <1991Feb5.195619.1484@linus.mitre.org>
Date: 5 Feb 91 19:56:19 GMT
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Organization: The MITRE Corp., Bedford MA
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Does anybody have any experience doing file I/O on a server from
inside a VAP? We have developed a VAP and need to create/read/write a
file. VAPs don't allow standard DOS I/O since int 21 is not supported
on the server. We have built assembler language stubs to grab the I/O
calls and use far calls via the NetWareShellServices field in the VAP
header to reach the Novell supported DOS functions. Everything compiles
and links ok but we always get a file handle of 255 ( 0x77, -1?). Is
anyone having any luck building VAPs? Does anybody have a better idea
on how to do file I/O from a VAP?


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