goldsrc-cheat/src/main.c

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#include <stdio.h>
#include <dlfcn.h>
#include "include/main.h"
#include "include/sdk.h"
#include "include/globals.h"
#include "include/hooks.h"
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/*
* We need:
* __attribute__((constructor))
* To indicate that this function will be the entry point once injected.
*/
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__attribute__((constructor)) void load(void) {
printf("hl-cheat injected!\n");
/* Initialize globals/interfaces */
if (!globals_init()) {
fprintf(stderr, "hl-cheat: load: error loading globals, aborting\n");
self_unload();
return;
}
/* Hook functions */
if (!hooks_init()) {
fprintf(stderr, "hl-cheat: load: error hooking functions, aborting\n");
self_unload();
return;
}
gp_engine->pfnClientCmd("echo \"hl-cheat loaded successfully!\"");
}
void self_unload(void) {
/*
* RTLD_LAZY: If the symbol is never referenced, then it is never resolved.
* RTLD_NOLOAD: Don't load the shared object.
*/
void* self = dlopen("libhlcheat.so", RTLD_LAZY | RTLD_NOLOAD);
/* Close the call we just made to dlopen() */
dlclose(self);
/* Close the call our injector made */
dlclose(self);
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}