Re: Setting up GNUstep.sh on system profile loses LD_LIBRARY_PATH

[Ivan Vučica]

Yeah, I am using this for libobjc2 living in a custom directory:

echo "/path/to/library/directory" | sudo tee /etc/ld.so.conf.d/GNUstep.conf
sudo ldconfig -n "/path/to/library/directory" -v

But here is a question: why is gopen setuid root?

On Thu, Dec 3, 2015, 09:38 Luis Garcia Alanis <luis@garcia.tv> wrote:

So it seems:

On Linux, when a setuid (or setgid) program is ran, it does not receive certain environment variables (including LD_LIBRARY_PATH, several other LD_* variables, and HOSTALIASES), in order to reduce the possible attack points: Otherwise you could write a small library and trick su orsudo into calling your "improved" functions that way

So, an entry in /etc/ld.so.conf.d is needed....

On Wed, Dec 2, 2015 at 10:26 PM, Luis Garcia Alanis <luis@garcia.tv> wrote:

Ups, ctrl+enter sent the mail :P

I am using ubuntu 15.10, I am setting GNUstep.sh to be sourced on /etc/profile.d/gnustep.sh

When I open a terminal on X and try to gopen I get an error:

gopen: error while loading shared libraries: libgnustep-gui.so.0.24: cannot open shared object file: No such file or directory

Upon more investigation I see, the GNUstep enviroment is set but not the LD_LIBRARY_PATH.

$ env | grep gnustep

DEFAULTS_PATH=/usr/share/gconf/gnustep.default.path

XDG_CONFIG_DIRS=/etc/xdg/xdg-gnustep:/etc/xdg

DESKTOP_SESSION=gnustep

MANDATORY_PATH=/usr/share/gconf/gnustep.mandatory.path

GDMSESSION=gnustep

XDG_SESSION_DESKTOP=gnustep

XDG_DATA_DIRS=/usr/share/gnustep:/usr/share/gnome:/usr/local/share/:/usr/share/

$ env | grep GNUSTEP

GNUSTEP_IS_FLATTENED=yes

GNUSTEP_LOCAL_ROOT=/Local

GNUSTEP_HOST=x86_64-unknown-linux-gnu

GNUSTEP_MAKEFILES=/System/Library/Makefiles

GNUSTEP_NETWORK_ROOT=/Network

GNUSTEP_FLATTENED=yes

GNUSTEP_HOST_OS=linux-gnu

GNUSTEP_HOST_VENDOR=unknown

GNUSTEP_HOST_CPU=x86_64

GNUSTEP_USER_ROOT=/home/luis/GNUstep

GNUSTEP_SYSTEM_ROOT=/System

GNUSTEP_PATHLIST=/System:/Network:/Local:/home/luis/GNUstep

I think this is a bug, any ideas?

if I run . /System/Library/Makefiles/GNUstep.sh from the command line then is set correctly.

is there a difference on the profile enviroment that would prevent LD_LIBRARY_PATH to be set?

On Wed, Dec 2, 2015 at 10:21 PM, Luis Garcia Alanis <luis@garcia.tv> wrote:

Hello,

I am using ubuntu 15.10, I am setting GNUstep.sh to be sourced on /etc/profile.d/gnustep.sh

When I open a terminal on X and try to gopen I get an error:

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