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Re: [Dazuko-devel] Symlink reporting

From: Sami Tikka
Subject: Re: [Dazuko-devel] Symlink reporting
Date: Thu, 20 Jan 2005 16:30:21 +0200
User-agent: Mozilla Thunderbird 1.0 (X11/20050103)

Sami Tikka wrote:
On Linux 2.6 I guess the way to go is to set up an inode_follow_link callback and report the symlink access from there. Unfortunately, when the inode_permission callback is called, there is no way to know if inode_follow_link was called previously. This means that on Linux 2.6 the dazuko driver would report file accesses thru symlink twice: first the access to the symlink and then the access to the real file.

To correct myself: We solved this double-reporting problem so that we introduced a new event type to dazuko: LINK. When the inode_follow_link is called, it is reported to daemon as a LINK type event. When inode_permission is called, it is reported as OPEN or EXEC as usual.

Any opinions or better ideas?

Sami Tikka                          tel: +358 9 2520 5115
Senior Software Engineer            fax: +358 9 2520 5013
F-Secure Corporation                http://www.F-Secure.com/
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