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#!/bin/bash
#
# Make errors visible upon `docker logs -f steam` command
#
exec 2>&1
service dnsmasq start
#
# Befriend with grsecurity patched Linux kernel
#
# TODO: find a way how to set these attributes dynamically,
# since this currently requires a Steam restart
# when new content is obtained.
if [ -f /proc/sys/kernel/grsecurity/tpe_gid ]; then
groupadd -r -g $(cat /proc/sys/kernel/grsecurity/tpe_gid) grsec-tpe
usermod -aG grsec-tpe $USER
setfattr -n user.pax.flags -v "m" \
/lib/i386-linux-gnu/ld-2.19.so \
$HOME/.local/share/Steam/ubuntu12_32/steam \
$HOME/.local/share/Steam/ubuntu12_32/steamwebhelper \
$HOME/.local/share/Steam/ubuntu12_32/gameoverlayui \
$HOME/.local/share/Steam/steamapps/common/Half-Life/hl_linux \
$HOME/.local/share/Steam/steamapps/common/Counter-Strike\ Global\ Offensive\csgo_linux64
# paxctl -c -v -m /lib/i386-linux-gnu/ld-2.19.so
fi
#
# Add a user to a detected "video" group
# so that it can access the nvidia devices
#
if [ -e /dev/nvidiactl ]; then
GID=$(stat -c '%g' /dev/nvidiactl)
groupadd -r -g $GID nvidia1
if [ $? -eq 0 ]; then
usermod -aG nvidia1 $USER
else
GROUP=$(stat -c '%G' /dev/nvidiactl)
usermod -aG $GROUP $USER
fi
fi
# Use libgcrypt provided by the Steam docker image (needed by HL1 engine games)
LD_PRELOAD="$LD_PRELOAD:/lib/i386-linux-gnu/libgcrypt.so.11:/lib/x86_64-linux-gnu/libgcrypt.so.11"
export LD_PRELOAD
#
# Try to load host's libGL (generic or Nvidia 32/64-bit) drivers
#
LD_LIBRARY_PATH="$LD_LIBRARY_PATH:$(echo /h{1..20}_{32,64} | tr ' ' ':')"
export LD_LIBRARY_PATH
#
# In order to avoid the inconsistency error, when launching `csgo_linux64`
# Inconsistency detected by ld.so: dl-open.c: 689: _dl_open: Assertion `_dl_debug_initialize (0, args.nsid)->r_state == RT_CONSISTENT' failed!
# Hint: to find out what's wrong, use `strace`
#
# 1) Try to load host's Pulse library instead of the one from this image
export LD_PRELOAD="$LD_PRELOAD:$(find /h{1..20}_{32,64} -type f -name "*libpulsecommon*" -print0 2>/dev/null| tr '\0' ':')"
su -p user -c "steam $@"