Permission Denied on Mapped Network Drives

[Kimman Balakrishnan <kimman at imagingindia dot com>]

I've searched the mailing list for a similar error - there were some but
I couldnt find any 'resolution'. Would appreciate any suggestions to
resolving the problem below:

Environment : Win98
Cygwin1.DLL : Ver 1.3.3

We're using mkisofs to create an ISO9660 image of files - the files are
located on a network drive that has been mapped - the mapping was done
in Windows Explorer. The mkisofs scans a given directory for all files
and directories, builds the TOC that a CD image requires and then reads
all the files and writes them into the 'image' file.

The mkisofs utility always exits with an error - Permission Denied.
Repeated runs on the same source files do not result in the error at the
same file name. Some times it runs through without a problem.

A typical call sequence is as follows :

mount h: /h
mkisofs <options> /h/dir1
umount /h

The following errors have been ruled out :

a. Source files are not readable - by running the same utility on the
machine where the files are located - this runs fine. Also the error is
never reported in the first pass when mkisofs is reading all the
directory/file entries
b. Copying the files in Windows Explorer from the mapped drive to a
local drive is also ok.

Looking at the source of mkisofs, it seems that the error is returned on
a call to fread which returns 0.

Kimman Balakrishnan
Imaging Solutions Pvt Ltd



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