[Bug 28159] New: [integration] winebrowser associations with *.htm and *.xml may cause native system to infinite loop

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=28159

           Summary: [integration] winebrowser associations with *.htm and
                    *.xml may cause native system to infinite loop
           Product: Wine
           Version: 1.3.26
          Platform: x86
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: programs
        AssignedTo: wine-bugs at winehq.org
        ReportedBy: wine at rodrigosilva.com


Out of the box, wine comes with *.htm and *.xml associations for winebrowser.
And wine publishes those associations in native system, creating
wine-extension-htm.desktop and wine-extension-xml.desktop. Those 2 appear in
all native's "Open With" dialoags as legit options. But, if chosen, system
enters an infinite loop (*.htm file -> start.exe /ProgId htmfile -> winebrowser
-> xdg-open -> start.exe ...)

To prevent this, and still keep a way to allow wine apps to launch files in
native apps AND allow native apps to launch files in wine apps, wine should
implement a way to inhibit winemenubuilder to create native associations for
certain extensions (in this case, *.htm and *.xml)

That can be done in several ways (hardcode blacklisting winebrowser.exe is the
easiest, but its lame), and my suggestion is this:

winemenubuilder should not create associations if the class is in
"WineImportedExtension.xxx" format. Example:

[HKEY_CLASSES_ROOT\.htm]
@="WineImportedExtension.htm"

[HKEY_CLASSES_ROOT\WineImportedExtension.htm\shell\open\command]
@="C:\\windows\\system32\\winebrowser-gui.exe \"%1\""

WineImportedExtension is a way to say: "this is not an extension handled by a
windows app. It is an extension imported from native system. So DO NOT create
an association for it in native... its already there"

To original class, "htmlfile", can stay untouched.

If, later, user installs a windows app that handles that extension, it will
overwrite the default "WineImportedExtension.xxx" to its own, and
winemenubuilder will correctly create a native *.htm association to indicate
that now there is a windows app to actually handle that.

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