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loadlib for linux #130

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merged 1 commit into from
Dec 28, 2024
Merged

loadlib for linux #130

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86 changes: 67 additions & 19 deletions dll/base.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -279,6 +279,58 @@ unsigned int file_size_(const std::string &full_path)


#ifdef EMU_EXPERIMENTAL_BUILD

static std::vector<void*> loaded_libs{};

static void load_dlls()
{
constexpr static const char LIB_EXTENSION[] =
#ifdef __WINDOWS__
".dll"
#else
".so"
#endif
;

std::string path(Local_Storage::get_game_settings_path() + "load_dlls" + PATH_SEPARATOR);

std::vector<std::string> paths(Local_Storage::get_filenames_path(path));
for (auto & p: paths) {
std::string full_path(path + p);
if (!common_helpers::ends_with_i(full_path, LIB_EXTENSION)) continue;

PRINT_DEBUG("loading '%s'", full_path.c_str());
auto lib_handle =
#ifdef __WINDOWS__
LoadLibraryW(utf8_decode(full_path).c_str());
#else
dlopen(full_path.c_str(), RTLD_NOW | RTLD_LOCAL);
#endif

if (lib_handle != nullptr) {
loaded_libs.push_back(reinterpret_cast<void *>(lib_handle));
PRINT_DEBUG(" LOADED");
} else {
#ifdef __WINDOWS__
PRINT_DEBUG(" FAILED, error code 0x%X", GetLastError());
#else
PRINT_DEBUG(" FAILED, error string '%s'", dlerror());
#endif
}
}
}

static void unload_dlls()
{
for (auto lib_handle : loaded_libs) {
#ifdef __WINDOWS__
FreeLibrary(reinterpret_cast<HMODULE>(lib_handle));
#else
dlclose(lib_handle);
#endif
}
}

#ifdef __WINDOWS__

struct ips_test {
Expand Down Expand Up @@ -463,23 +515,6 @@ static void load_crack_dll()
}

#include "dll/local_storage.h"
static void load_dlls()
{
std::string path(Local_Storage::get_game_settings_path() + "load_dlls" + PATH_SEPARATOR);

std::vector<std::string> paths(Local_Storage::get_filenames_path(path));
for (auto & p: paths) {
std::string full_path(path + p);
if (!common_helpers::ends_with_i(full_path, ".dll")) continue;

PRINT_DEBUG("loading '%s'", full_path.c_str());
if (LoadLibraryW(utf8_decode(full_path).c_str())) {
PRINT_DEBUG(" LOADED");
} else {
PRINT_DEBUG(" FAILED, error 0x%X", GetLastError());
}
}
}

//For some reason when this function is optimized it breaks the shogun 2 prophet (reloaded) crack.
#pragma optimize( "", off )
Expand Down Expand Up @@ -613,6 +648,8 @@ BOOL WINAPI DllMain( HINSTANCE, DWORD dwReason, LPVOID )
}
DetourTransactionCommit();
}

unload_dlls();
break;
}

Expand All @@ -621,18 +658,29 @@ BOOL WINAPI DllMain( HINSTANCE, DWORD dwReason, LPVOID )

#else

__attribute__((__constructor__)) static void lib_base_entry()
{
load_dlls();
}

__attribute__((__destructor__)) static void lib_base_exit()
{
unload_dlls();
}

void set_whitelist_ips(uint32_t *from, uint32_t *to, unsigned num_ips)
{

}

#endif
#endif // __WINDOWS__

#else

void set_whitelist_ips(uint32_t *from, uint32_t *to, unsigned num_ips)
{

}

#endif
#endif // EMU_EXPERIMENTAL_BUILD