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#!/usr/bin/env bash
# Thank you LWSS
# https://github.com/LWSS/Fuzion/commit/a53b6c634cde0ed47b08dd587ba40a3806adf3fe
[[ ! -z "$SUDO_USER" ]] && RUNUSER="$SUDO_USER" || RUNUSER="$LOGNAME"
RUNCMD="sudo -u $RUNUSER"
$RUNCMD bash ./scripts/updater true
$RUNCMD bash ./report-crash true
line=$(pgrep -u $RUNUSER hl2_linux)
arr=($line)
if [ $# == 1 ]; then
proc=$1
else
if [ ${#arr[@]} == 0 ]; then
echo TF2 isn\'t running!
exit
fi
proc=${arr[0]}
fi
echo Running instances: "${arr[@]}"
echo Attaching to "$proc"
# Get a Random name from the build_names file.
FILENAME=$(shuf -n 1 build_names)
# Create directory if it doesn't exist
if [ ! -d "/lib/i386-linux-gnu/" ]; then
mkdir /lib/i386-linux-gnu/
fi
# In case this file exists, get another one. ( checked it works )
while [ -f "/lib/i386-linux-gnu/${FILENAME}" ]; do
FILENAME=$(shuf -n 1 build_names)
done
# echo $FILENAME > build_id # For detaching
sudo cp "bin/libcathook.so" "/lib/i386-linux-gnu/${FILENAME}"
echo loading "$FILENAME" to "$proc"
gdbbin="gdb"
if [ -x "./bin/gdb-arch-2021-02" ]; then
gdbbin="./bin/gdb-arch-2021-02"
fi
$gdbbin -n -q -batch \
-ex "attach $proc" \
-ex "echo \033[1mCalling dlopen\033[0m\n" \
-ex "call ((void*(*)(const char*, int))dlopen)(\"/lib/i386-linux-gnu/$FILENAME\", 1)" \
-ex "echo \033[1mCalling dlerror\033[0m\n" \
-ex "call ((char*(*)(void))dlerror)()" \
-ex "detach" \
-ex "quit"
sudo rm "/lib/i386-linux-gnu/${FILENAME}"