more fine grained access in /etc

[Daniel J Walsh]

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Torbjørn Lindahl wrote:
> Hello, I am writing an application that I want to limit using selinux.
> 
> audit.log shows that it wants access to /etc/nsswitch.conf and /etc/hosts -
> which doesn't seem to unreasonable, however both these have types etc_t ,
> and allowing myapp_t to read etc_t would also give it access to for example
> /etc/passwd, which i do not want.
> 
> 
> Do I have to invent a new type for these two files to be able to keep my
> application from the other etc_t files in /etc ?
> 
> 
> 
> 
> 
> ------------------------------------------------------------------------
> 
> --
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> fedora-selinux-list at redhat.com
> https://www.redhat.com/mailman/listinfo/fedora-selinux-list
Yes you can, but the more different file_context that you have in /etc,
the harder they will be to maintain.

Reading /etc/passwd is not as dangerous as being able to read
/etc/shadow.  So consider if this is really necessary.
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