On Mon, Sep 03, 2007 at 07:47:14AM +0100, Gregory Stark wrote: > "Tom Lane" <[EMAIL PROTECTED]> writes: > > > Gregory Stark <[EMAIL PROTECTED]> writes: > >> "Tom Lane" <[EMAIL PROTECTED]> writes: > >>> I made it reject all but latin letters, which is the same restriction > >>> that's in place for timezone set filenames. That might be overly > >>> strong, but we definitely have to forbid "." and "/" (and "\" on > >>> Windows). Do we want to restrict it to letters, digits, underscore? > >>> Or does it need to be weaker than that? > > > >> What's the problem with "."? > > > > ../../../../etc/passwd > > > > Possibly we could allow '.' as long as we forbade /, > > Right, traditionally the only characters forbidden in filenames in Unix are / > and nul. If we want the files to play nice in Gnome etc then we should > restrict them to ascii since we don't know what encoding the gui expects. > > Actually I think in Windows \ : and . are problems (not allowed more than one > dot in dos).
\ and : are problems. . is not a problem. We don't support 16-bit windows anyway, and multiple dots works fine on any system we support. //Magnus ---------------------------(end of broadcast)--------------------------- TIP 7: You can help support the PostgreSQL project by donating at http://www.postgresql.org/about/donate