On Fri, 26 Jan 2007 18:20:51 -0500 Alexander Viro <[EMAIL PROTECTED]> wrote:
> On Fri, Jan 26, 2007 at 05:01:12PM -0600, Timothy R. Chavez wrote: > > > Please, define "access". Consider the following sequence: > > > on April 1st: > > > fd = open(foo, O_RDWR); > > > p = mmap(..., fd, ...); > > > close(fd); > > > two days later: modify area pointed to by p > > > a month later: munmap(p, ...); > > > > > > What do you want in the log? More specifically, _when_ do you want it? > > > > Write out a log when the last reference to the fd is put back... whether > > that's from a close or an munmap. > > Sigh... One more time: there are two distinct classes of objects - opened > files and opened descriptors. That's the point - by the time of munmap() > there is no file descriptor at all. It's been gone for a month. > > Descriptor getting closed != file getting closed. If you are talking about > the last reference to opened file - OK. But there won't necessary be > any descriptors refering to it. Yep, I was referring to last reference to opened file. I'd hate to suggest adding a field to the file like "opened_as" which would store the original fd it was assigned, but that would be enough to associate the open() record and the final "close" record. -tim PS: Ugh, at this list for being write-protected :). -- Linux-audit mailing list [email protected] https://www.redhat.com/mailman/listinfo/linux-audit
