On Sun, 27 Oct 2002, Peter Andersson wrote: [...]
I believe most wine users trust wine not to touch anything outside of its configured drive space. Malicious Linux/Unix syscalls could be embedded in windows apps and if executed do a great deal of damage. After all checking your app is run whithin Wine is not that hard (reading registry settings for instance). Lets call such an malicious app a wine-virus from now on. At present a wine-virus would even be allowed to fork itself, leaving the wine environment and continue to run even after you shutdown the wineserver, and in some cases even after the user logs out. The virus would now have full access to the system whithin the users permission, doing much greater damage than you expected.
The question is...Would you expect that damage from running a windows app in wine, when you know it could be safely run in Windows? In just a few embedded bytes in the code it could remove your home directory in a single syscall. Would you expect that? - I wouldnt.
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Certainly I would be surprised to see a Wine-aware virus tomorrow. In that sense I certainly would not expect this sort of thing to happen tomorrow. But you seem to be confused about the goal of Wine.
The goal of Wine is to run Windows applications on Unix. Windows applications run through Wine should be able to do no more and no less than any other Linux application. Thus Wine is not more of a security risk than any other piece of (somewhat alpha) software.
But the goal of Wine is *not* to build a sandbox or a virtual machine in which you can safely run malicious code. If that is what you want, then you should look at chroot, jail, User Mode Linux, VMWare or Plex86. You can even combine them with Wine to build sandboxes. For instance you could run Wine in a 'jail' environment and then a Wine-aware would be confined to that environment.
That being said, yes it is possible to configure Wine such that Windows applications are confined to a small portion of your disk. It is a useful feature and, as far as I know, it should work against all current Windows viruses. Of course, when configured this way Wine is not very useable. You would not be able to use Word to edit your documents for instance... that is unless you menually copy the document to the Wine environment where any Windows virus will be able to munge it. You simply cannot have it both ways.