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#include "Main.h"
#include "../Agave/Component/ifc_wa5component.h"
#include <vector>
#include "api.h"
#include "LazyServiceFactory.h"
extern LARGE_INTEGER freq;
std::vector<ifc_wa5component*> systemComponents;
std::vector<LazyServiceFactory*> lazyFactories;
enum
{
W5S_LOAD = 0,
W5S_LAZYLOAD = 1,
};
static uint32_t magic_word = 0xdeadbeefUL;
/* layout (binary)
0xdeadbeef - 32 bits
service guid - 128 bits
service fourcc - 32 bits
length of service name - 16bits
service name - see previous
length of test string - 16 bits
test string - see previous
repeat as necessary
*/
static int w5s_load_binary_manifest(const wchar_t *filename, const wchar_t *w5s_filename)
{
HANDLE manifest = CreateFileW(filename, GENERIC_READ, FILE_SHARE_READ, 0, OPEN_EXISTING, 0, 0);
if (manifest != INVALID_HANDLE_VALUE)
{
for(;;)
{
uint32_t manifest_magic_word;
GUID service_guid;
FOURCC service_fourcc;
DWORD bytesRead=0;
ReadFile(manifest, &manifest_magic_word, sizeof(manifest_magic_word), &bytesRead, NULL);
if (bytesRead == 0) // EOF
{
CloseHandle(manifest);
return W5S_LAZYLOAD;
}
if (bytesRead != sizeof(manifest_magic_word) || memcmp(&manifest_magic_word, &magic_word, sizeof(magic_word)))
break;
bytesRead=0;
ReadFile(manifest, &service_guid, sizeof(service_guid), &bytesRead, NULL);
if (bytesRead != sizeof(service_guid))
break;
bytesRead=0;
ReadFile(manifest, &service_fourcc, sizeof(service_fourcc), &bytesRead, NULL);
if (bytesRead != sizeof(service_fourcc))
break;
uint16_t service_name_length;
bytesRead=0;
ReadFile(manifest, &service_name_length, sizeof(service_name_length), &bytesRead, NULL);
if (bytesRead != sizeof(service_name_length))
break;
char *service_name = 0;
if (service_name_length)
{
service_name = (char *)calloc(service_name_length + 1, sizeof(char));
if (service_name)
{
bytesRead=0;
ReadFile(manifest, service_name, service_name_length, &bytesRead, NULL);
if (bytesRead != service_name_length)
{
free(service_name);
break;
}
}
}
uint16_t service_test_string_length;
bytesRead=0;
ReadFile(manifest, &service_test_string_length, sizeof(service_test_string_length), &bytesRead, NULL);
if (bytesRead != sizeof(service_test_string_length))
break;
char *service_test_string = 0;
if (service_test_string_length)
{
service_test_string = (char *)calloc(service_test_string_length + 1, sizeof(char));
if (service_name)
{
bytesRead=0;
ReadFile(manifest, service_test_string, service_test_string_length, &bytesRead, NULL);
if (bytesRead != service_test_string_length)
{
free(service_name);
free(service_test_string);
break;
}
}
}
// if we got here, we're OK :)
LazyServiceFactory *factory = new LazyServiceFactory(service_fourcc, service_guid, service_name, service_test_string, w5s_filename);
lazyFactories.push_back(factory);
WASABI_API_SVC->service_register(factory);
}
// file seems to be malformed, go ahead and load w5s.
// any lazy factories we already loaded will self-destruct when the real services load
CloseHandle(manifest);
return W5S_LOAD;
}
return W5S_LOAD;
}
void w5s_load(const wchar_t *filename)
{
HMODULE hLib = LoadLibraryW(filename);
if (hLib == NULL)
{
auto err = GetLastError();
}
if (hLib)
{
typedef ifc_wa5component *(*W5SGetter)();
W5SGetter pr = (W5SGetter)GetProcAddress(hLib,"GetWinamp5SystemComponent");
if (pr)
{
ifc_wa5component *mod = pr();
if (mod)
{
if (g_safeMode)
{
try
{
int retval = 0;
mod->_dispatch(15, &retval);
if (!retval)
{
FreeLibrary(hLib);
return;
}
}
catch(...)
{
FreeLibrary(hLib);
return;
}
}
systemComponents.push_back(mod);
mod->hModule = hLib;
mod->RegisterServices(WASABI_API_SVC);
}
}
}
}
void w5s_init()
{
WIN32_FIND_DATAW d = {0};
wchar_t dirstr[MAX_PATH] = {0};
// pre-load so we're definitely available to other services which need this
PathCombineW(dirstr, SYSPLUGINDIR, L"wasabi2.w5s");
w5s_load(dirstr);
PathCombineW(dirstr, SYSPLUGINDIR, L"*.W5S");
HANDLE h = FindFirstFileW(dirstr, &d);
if (h != INVALID_HANDLE_VALUE)
{
do
{
// due to how this plug-in works, is better to do a filename check to not load in
// safe mode as it otherwise causes the FreeLibrary(..) call to crash Winamp :o(
if (g_safeMode)
{
if (!wcsnicmp(d.cFileName, L"UnicodeTaskbarFix.w5s", 21)) continue;
if (!wcsnicmp(d.cFileName, L"fpl.w5s", 7)) continue;
if (!wcsnicmp(d.cFileName, L"mpcpl.w5s", 9)) continue;
}
if (lstrcmpiW(L"wasabi2.w5s", d.cFileName))
{
wchar_t manifeststr[MAX_PATH] = {0}, namestr[MAX_PATH] = {0};
PathCombineW(manifeststr, SYSPLUGINDIR, d.cFileName);
PathRemoveExtensionW(manifeststr);
PathAddExtensionW(manifeststr, L".wbm");
PathCombineW(namestr, SYSPLUGINDIR, d.cFileName);
if (w5s_load_binary_manifest(manifeststr, namestr) == W5S_LOAD)
{
w5s_load(namestr);
}
}
}
while (FindNextFileW(h, &d));
FindClose(h);
}
Wasabi_FindSystemServices();
}
void w5s_deinit()
{
Wasabi_ForgetSystemServices();
for ( ifc_wa5component *l_wa5_component : systemComponents )
{
l_wa5_component->DeregisterServices( WASABI_API_SVC );
l_wa5_component = 0;
}
systemComponents.clear();
//lazyFactories.deleteAll();
for ( auto obj : lazyFactories )
{
delete obj;
}
lazyFactories.clear();
}
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