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Bi-directional pipe with AuthorizationExecuteWithPrivileges

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Bi-directional pipe with AuthorizationExecuteWithPrivileges

Subject: Bi-directional pipe with AuthorizationExecuteWithPrivileges
From: Sidney San Martín <email@hidden>
Date: Thu, 12 Mar 2009 12:13:02 -0400

I'm trying to figure out how to work with **communicationsPipe provided by AEWP. I figured out how to send data to of from the called process by creating an NSFileHandle:

NSFileHandle *helperInputHandle = [[NSFileHandle alloc] initWithFileDescriptor:fileno(rawPipe) closeOnDealloc:YES] // Write some data [helperInputHandle dealloc]

And on the other end I can do the same and just readDataToEndOfFile:

NSFileHandle *stdinHandle = [NSFileHandle fileHandleWithStandardInput];
NSData *stdinData = [stdinHandle readDataToEndOfFile];

But I can't figure out how to go both ways. There's only one handle, so once I close it I can forget about reading any data that comes back. Anyone done this before? Suggestions? _______________________________________________

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