2023-07-19 20:13:24 +02:00
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#!/bin/bash
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pid=$(pidof "hl_linux")
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libpath=$(realpath "libhlcheat.so")
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2023-07-26 22:01:33 +02:00
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if [ "$pid" == "" ]; then
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echo "inject.sh: process not running."
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exit 1
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fi
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2023-07-21 06:25:11 +02:00
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# Used to echo the command. For debugging.
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#set -x
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2023-07-19 20:13:24 +02:00
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2023-07-21 06:29:41 +02:00
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if [ "$1" == "unload" ]; then
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sudo gdb -n -q -batch \
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-ex "attach $pid" \
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-ex "set \$dlopen = (void* (*)(char*, int))dlopen" \
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-ex "set \$dlclose = (int (*)(void*))dlclose" \
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-ex "set \$dlerror = (char* (*)(void))dlerror" \
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\
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-ex "set \$self = \$dlopen(\"$libpath\", 6)" \
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-ex "call \$dlclose(\$self)" \
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-ex "call \$dlclose(\$self)" \
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\
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-ex "call \$dlerror()" \
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-ex "detach" \
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-ex "quit"
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2023-07-26 22:01:33 +02:00
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exit 0
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2023-07-21 06:29:41 +02:00
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fi
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2023-07-21 06:25:11 +02:00
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if grep -q "$libpath" "/proc/$pid/maps"; then
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echo -e "hl-cheat already loaded. Reloading...\n";
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2023-07-19 20:13:24 +02:00
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2023-07-21 06:25:11 +02:00
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# 0x2 -> RTLD_NOW
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# 0x6 -> RTLD_LAZY | RTLD_NOLOAD
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# For more info on the 3 mid lines, see self_unload() in main.c
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sudo gdb -n -q -batch \
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-ex "attach $pid" \
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-ex "set \$dlopen = (void* (*)(char*, int))dlopen" \
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-ex "set \$dlclose = (int (*)(void*))dlclose" \
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-ex "set \$dlerror = (char* (*)(void))dlerror" \
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\
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2023-07-21 06:29:41 +02:00
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-ex "set \$self = \$dlopen(\"$libpath\", 6)" \
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-ex "call \$dlclose(\$self)" \
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-ex "call \$dlclose(\$self)" \
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2023-07-21 06:25:11 +02:00
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\
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-ex "call \$dlopen(\"$libpath\", 2)" \
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-ex "call \$dlerror()" \
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-ex "detach" \
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-ex "quit"
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else
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sudo gdb -n -q -batch \
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-ex "attach $pid" \
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-ex "set \$dlopen = (void* (*)(char*, int))dlopen" \
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-ex "set \$dlclose = (int (*)(void*))dlclose" \
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-ex "set \$dlerror = (char* (*)(void))dlerror" \
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-ex "call \$dlopen(\"$libpath\", 2)" \
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-ex "call \$dlerror()" \
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-ex "detach" \
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-ex "quit"
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fi
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set +x
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2023-07-19 20:31:02 +02:00
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echo -e "\nDone."
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