Add reload option to loader

Automatically if loaded

inject.sh

@@ -3,16 +3,40 @@
 pid=$(pidof "hl_linux")
 libpath=$(realpath "libhlcheat.so")
 
-# 0x2 -> RTLD_NOW
+# Used to echo the command. For debugging.
-sudo gdb -n -q -batch                                   \
+#set -x
+
+if grep -q "$libpath" "/proc/$pid/maps"; then
+    echo -e "hl-cheat already loaded. Reloading...\n";
+
+    # 0x2 -> RTLD_NOW
+    # 0x6 -> RTLD_LAZY | RTLD_NOLOAD
+    # For more info on the 3 mid lines, see self_unload() in main.c
+    sudo gdb -n -q -batch                                   \
          -ex "attach $pid"                                  \
          -ex "set \$dlopen = (void* (*)(char*, int))dlopen" \
+         -ex "set \$dlclose = (int (*)(void*))dlclose"      \
+         -ex "set \$dlerror =  (char* (*)(void))dlerror"    \
+                                                            \
+         -ex "set \$self = \$dlopen(\"$libpath\", 6)"        \
+         -ex "call \$dlclose(\$self)"                         \
+         -ex "call \$dlclose(\$self)"                         \
+                                                            \
+         -ex "call \$dlopen(\"$libpath\", 2)"               \
+         -ex "call \$dlerror()"                             \
+         -ex "detach"                                       \
+         -ex "quit"
+else
+    sudo gdb -n -q -batch                                   \
+         -ex "attach $pid"                                  \
+         -ex "set \$dlopen = (void* (*)(char*, int))dlopen" \
+         -ex "set \$dlclose = (int (*)(void*))dlclose"      \
          -ex "set \$dlerror =  (char* (*)(void))dlerror"    \
          -ex "call \$dlopen(\"$libpath\", 2)"               \
          -ex "call \$dlerror()"                             \
          -ex "detach"                                       \
          -ex "quit"
+fi
 
-#   -ex "set \$dlclose = (int (*)(void*))dlclose"       \
+set +x
-
 echo -e "\nDone."