-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 08/10/2012 10:17 AM, Lennart Poettering wrote: > On Fri, 10.08.12 16:11, Lennart Poettering (lennart@xxxxxxxxxxxxxx) wrote: > >>> * Your mmap file is in some data format - you can make up your own, >>> but I like using >>> http://developer.gnome.org/glib/stable/glib-GVariant.html * Check the >>> timestamp on the regexp text file versus the cached copy, if newer, use >>> the text file * Otherwise, mmap the cached blob, loop through each >>> regexp, passing a pointer to the mmap cache file for regexec() >> >> Well, the main bits are not actually stored in regex_t afaics. They are >> stored in regex_t::buffer. But that makes this kind of caching really >> difficult, because that is a pointer and storing a pointer in an mmap() >> region makes no sense. >> >> Dunno, maybe another regex library is more suitable for this... > > PCRE appears to be perfectly suited for this. See pcreprecompile(3). They > have an interface explicitly designed for this. And PCRE is used by > numerous projects already, so should be safe to use for SELinux too? > > Lennart > This seems like the best solution? If upstream will accept it. We could rebuild the regex data when semanage modifies the file context. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAlApOxEACgkQrlYvE4MpobOtgwCdGLgwt60AY3L+pHuQzQnrREEW eQ4AoIgVktEglFqzInQJSZpUQLfEFk9H =YWaU -----END PGP SIGNATURE----- -- This message was distributed to subscribers of the selinux mailing list. If you no longer wish to subscribe, send mail to majordomo@xxxxxxxxxxxxx with the words "unsubscribe selinux" without quotes as the message.
