void
hook_httpapi()
{
HookManager *mgr = HookManager::Obtain();
HMODULE h;
h = mgr->OpenLibrary(_T("kernel32.dll"));
_ASSERT(h != NULL);
HOOK_FUNCTION(h, GetOverlappedResult);
h = mgr->OpenLibrary(_T("httpapi.dll"));
if (h == NULL)
{
MessageBox(0, _T("Failed to load 'httpapi.dll'."),
_T("oSpy"), MB_ICONERROR | MB_OK);
return;
}
HttpReceiveHttpRequestImpl = (HttpReceiveHttpRequestFunc)
GetProcAddress(h, "HttpReceiveHttpRequest");
HOOK_FUNCTION(h, HttpCreateHttpHandle);
HOOK_FUNCTION(h, HttpReceiveHttpRequest);
HOOK_FUNCTION(h, HttpReceiveRequestEntityBody);
}
void
hook_secur32()
{
HookManager *mgr = HookManager::Obtain();
// We don't want to log calls from the RPCRT4 API
HMODULE h = mgr->OpenLibrary(_T("RPCRT4.dll"));
if (h == NULL)
{
MessageBox(0, _T("Failed to load 'RPCRT4.dll'."),
_T("oSpy"), MB_ICONERROR | MB_OK);
return;
}
if (GetModuleInformation(GetCurrentProcess(), h, &rpcrt4_info,
sizeof(rpcrt4_info)) == 0)
{
message_logger_log_message(_T("hook_secur32"), 0, MESSAGE_CTX_WARNING,
_T("GetModuleInformation failed with errno %u"),
GetLastError());
}
// Hook the Secur32 API
h = mgr->OpenLibrary(_T("secur32.dll"));
if (h == NULL)
{
MessageBox(0, _T("Failed to load 'secur32.dll'."),
_T("oSpy"), MB_ICONERROR | MB_OK);
return;
}
HOOK_FUNCTION(h, DeleteSecurityContext);
HOOK_FUNCTION(h, EncryptMessage);
HOOK_FUNCTION(h, DecryptMessage);
}
void installHooks()
{
HOOK_FUNCTION(user32, SetWindowsHookExA, setWindowsHookExA);
}
