Bug 2595

Summary: startx arg handling is not whitespace-clean
Product: xorg Reporter: Jason Bucata <jbucata>
Component: App/xinitAssignee: Xorg Project Team <xorg-team>
Status: RESOLVED INVALID QA Contact: Xorg Project Team <xorg-team>
Severity: normal    
Priority: high CC: mmokrejs
Version: 6.8.0Keywords: love
Hardware: All   
OS: Linux (All)   
URL: http://bugs.gentoo.org/show_bug.cgi?id=82923
Whiteboard: 2011BRB_Reviewed
i915 platform: i915 features:
Description Flags
patch to startx none

Description Jason Bucata 2005-02-22 12:49:34 UTC
Taking upstream at request of Gentoo devs.

According to the man page, startx is supposed to take the same command-line
syntax as xinit, and provide some extra services like setting up authorization
and such like.  However, xinit handles single-quoted command line args with
embedded spaces correctly, but startx does not.

The script assumes that each individual command-line parameter has no embedded
spaces, with constructs like:
     clientargs="$clientargs $1"
Thus, any special quoting or grouping on the startx command line won't get
propagated to xinit correctly.

I discovered this problem while trying to do some testing for another bug. 
Boiled down, this command works:
     xinit /bin/sh -vxc 'xsetroot -solid orange; sleep 5' -- :1
but this command, which per the docs should work, doesn't:
     startx /bin/sh -vxc 'xsetroot -solid orange; sleep 5' -- :1
The former starts the server, sets the background color and waits for 5 seconds,
like it should.  The latter starts the server and bails immediately since
xsetroot runs with no args and sleep isn't run at all.

I used a little sed command that I hope is adequate to quote for whatever shells
you intend to support as /bin/sh.  Will upload patch.
Comment 1 Jason Bucata 2005-02-22 12:53:22 UTC
Created attachment 1960 [details] [review]
patch to startx
Comment 2 Daniel Stone 2007-02-27 01:25:32 UTC
Sorry about the phenomenal bug spam, guys.  Adding xorg-team@ to the QA contact so bugs don't get lost in future.
Comment 3 Martin Mokrejs 2009-01-30 12:14:56 UTC
Confirming the patch is still necessary and helpful on Gentoo linux with x11-apps/xinit-1.0.8-r3.
Comment 4 Adam Jackson 2018-06-12 19:06:32 UTC
Mass closure: This bug has been untouched for more than six years, and is not
obviously still valid. Please reopen this bug or file a new report if you continue to experience issues with current releases.

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