TestConnect.c

#include <winpr/sysinfo.h>
#include <winpr/path.h>
#include <winpr/crypto.h>
#include <winpr/pipe.h>
 
#include <freerdp/freerdp.h>
#include <freerdp/gdi/gdi.h>
#include <freerdp/client/cmdline.h>
 
static HANDLE s_sync = nullptr;
 
static int runInstance(int argc, char* argv[], freerdp** inst, DWORD timeout)
{
  int rc = -1;
  RDP_CLIENT_ENTRY_POINTS clientEntryPoints = WINPR_C_ARRAY_INIT;
  rdpContext* context = nullptr;
 
  clientEntryPoints.Size = sizeof(RDP_CLIENT_ENTRY_POINTS);
  clientEntryPoints.Version = RDP_CLIENT_INTERFACE_VERSION;
  clientEntryPoints.ContextSize = sizeof(rdpContext);
  context = freerdp_client_context_new(&clientEntryPoints);
 
  if (!context)
    goto finish;
 
  if (inst)
    *inst = context->instance;
 
  context->instance->ChooseSmartcard = nullptr;
  context->instance->PresentGatewayMessage = nullptr;
  context->instance->LogonErrorInfo = nullptr;
  context->instance->AuthenticateEx = nullptr;
  context->instance->VerifyCertificateEx = nullptr;
  context->instance->VerifyChangedCertificateEx = nullptr;
 
  if (!freerdp_settings_set_bool(context->settings, FreeRDP_DeactivateClientDecoding, TRUE))
    return FALSE;
 
  if (freerdp_client_settings_parse_command_line(context->settings, argc, argv, FALSE) < 0)
    goto finish;
 
  if (!freerdp_settings_set_uint32(context->settings, FreeRDP_TcpConnectTimeout, timeout))
    goto finish;
 
  if (!freerdp_client_load_addins(context->channels, context->settings))
    goto finish;
 
  if (s_sync)
  {
    if (!SetEvent(s_sync))
      goto finish;
  }
 
  rc = 1;
 
  if (!freerdp_connect(context->instance))
    goto finish;
 
  rc = 2;
 
  if (!freerdp_disconnect(context->instance))
    goto finish;
 
  rc = 0;
finish:
  freerdp_client_context_free(context);
  if (inst)
    *inst = nullptr;
  return rc;
}
 
static int testTimeout(int port)
{
  const DWORD timeout = 200;
  DWORD start = 0;
  DWORD end = 0;
  DWORD diff = 0;
  char arg1[] = "/v:192.0.2.1:XXXXX";
  char* argv[] = { "test", "/v:192.0.2.1:XXXXX" };
  int rc = 0;
  (void)_snprintf(arg1, 18, "/v:192.0.2.1:%d", port);
  argv[1] = arg1;
  start = GetTickCount();
  rc = runInstance(ARRAYSIZE(argv), argv, nullptr, timeout);
  end = GetTickCount();
 
  if (rc != 1)
    return -1;
 
  diff = end - start;
 
  if (diff > 4 * timeout)
    return -1;
 
  if (diff < timeout)
    return -1;
 
  printf("%s: Success!\n", __func__);
  return 0;
}
 
struct testThreadArgs
{
  int port;
  freerdp** arg;
};
 
static DWORD WINAPI testThread(LPVOID arg)
{
  char arg1[] = "/v:192.0.2.1:XXXXX";
  char* argv[] = { "test", "/v:192.0.2.1:XXXXX" };
  int rc = 0;
  struct testThreadArgs* args = arg;
  (void)_snprintf(arg1, 18, "/v:192.0.2.1:%d", args->port);
  argv[1] = arg1;
  rc = runInstance(ARRAYSIZE(argv), argv, args->arg, 5000);
 
  if (rc != 1)
    ExitThread(-1);
 
  ExitThread(0);
  return 0;
}
 
static int testAbort(int port)
{
  DWORD status = 0;
  DWORD start = 0;
  DWORD end = 0;
  DWORD diff = 0;
  HANDLE thread = nullptr;
  struct testThreadArgs args;
  freerdp* instance = nullptr;
  s_sync = CreateEvent(nullptr, TRUE, FALSE, nullptr);
 
  if (!s_sync)
    return -1;
 
  args.port = port;
  args.arg = &instance;
  start = GetTickCount();
  thread = CreateThread(nullptr, 0, testThread, &args, 0, nullptr);
 
  if (!thread)
  {
    (void)CloseHandle(s_sync);
    s_sync = nullptr;
    return -1;
  }
 
  (void)WaitForSingleObject(s_sync, INFINITE);
  Sleep(100); /* Wait until freerdp_connect has been called */
  if (instance)
  {
    freerdp_abort_connect_context(instance->context);
 
    if (!freerdp_shall_disconnect_context(instance->context))
    {
      (void)CloseHandle(s_sync);
      (void)CloseHandle(thread);
      s_sync = nullptr;
      return -1;
    }
  }
 
  status = WaitForSingleObject(thread, 20000);
  end = GetTickCount();
  (void)CloseHandle(s_sync);
  (void)CloseHandle(thread);
  s_sync = nullptr;
  diff = end - start;
 
  if (diff > 5000)
  {
    printf("%s required %" PRIu32 "ms for the test\n", __func__, diff);
    return -1;
  }
 
  if (WAIT_OBJECT_0 != status)
    return -1;
 
  printf("%s: Success!\n", __func__);
  return 0;
}
 
static char* concatenate(size_t count, ...)
{
  char* rc = nullptr;
  va_list ap = WINPR_C_ARRAY_INIT;
  va_start(ap, count);
  rc = _strdup(va_arg(ap, char*));
  for (size_t x = 1; x < count; x++)
  {
    const char* cur = va_arg(ap, const char*);
    char* tmp = GetCombinedPath(rc, cur);
    free(rc);
    rc = tmp;
  }
  va_end(ap);
  return rc;
}
 
static BOOL prepare_certificates(const char* path)
{
  BOOL rc = FALSE;
  char* exe = nullptr;
  DWORD status = 0;
  STARTUPINFOA si = WINPR_C_ARRAY_INIT;
  PROCESS_INFORMATION process = WINPR_C_ARRAY_INIT;
 
  if (!path)
    return FALSE;
 
  exe = concatenate(5, TESTING_OUTPUT_DIRECTORY, "winpr", "tools", "makecert-cli",
                    "winpr-makecert" CMAKE_EXECUTABLE_SUFFIX);
  if (!exe)
    return FALSE;
 
  char commandLine[] = "-format crt -path . -n server";
  rc = CreateProcessA(exe, commandLine, nullptr, nullptr, TRUE, 0, nullptr, path, &si, &process);
  free(exe);
  if (!rc)
    goto fail;
  status = WaitForSingleObject(process.hProcess, 30000);
  if (status != WAIT_OBJECT_0)
    goto fail;
  rc = TRUE;
fail:
  (void)CloseHandle(process.hProcess);
  (void)CloseHandle(process.hThread);
  return rc;
}
 
static int testSuccess(int port)
{
  int r = 0;
  int rc = -2;
  STARTUPINFOA si = WINPR_C_ARRAY_INIT;
  PROCESS_INFORMATION process = WINPR_C_ARRAY_INIT;
  char arg1[] = "/v:127.0.0.1:XXXXX";
  char* clientArgs[] = { "test", "/v:127.0.0.1:XXXXX", "/cert:ignore", "/rfx", nullptr };
  char* commandLine = nullptr;
  size_t commandLineLen = 0;
  int argc = 4;
  char* path = nullptr;
  char* wpath = nullptr;
  char* exe = GetCombinedPath(TESTING_OUTPUT_DIRECTORY, "server");
  (void)_snprintf(arg1, 18, "/v:127.0.0.1:%d", port);
  clientArgs[1] = arg1;
 
  if (!exe)
    goto fail;
 
  path = GetCombinedPath(exe, "Sample");
  wpath = GetCombinedPath(exe, "Sample");
  free(exe);
  exe = nullptr;
 
  if (!path || !wpath)
    goto fail;
 
  exe = GetCombinedPath(path, "sfreerdp-server" CMAKE_EXECUTABLE_SUFFIX);
 
  if (!exe)
    goto fail;
 
  printf("Sample Server: %s\n", exe);
  printf("Workspace: %s\n", wpath);
 
  if (!winpr_PathFileExists(exe))
    goto fail;
 
  if (!prepare_certificates(wpath))
    goto fail;
 
  // Start sample server locally.
  commandLineLen = strlen(exe) + strlen("--port=XXXXX") + 1;
  commandLine = malloc(commandLineLen);
 
  if (!commandLine)
    goto fail;
 
  (void)_snprintf(commandLine, commandLineLen, "%s --port=%d", exe, port);
  si.cb = sizeof(si);
 
  if (!CreateProcessA(nullptr, commandLine, nullptr, nullptr, FALSE, 0, nullptr, wpath, &si,
                      &process))
    goto fail;
 
  Sleep(5000); /* let the server start */
  r = runInstance(argc, clientArgs, nullptr, 10000);
 
  if (!TerminateProcess(process.hProcess, 0))
    goto fail;
 
  (void)WaitForSingleObject(process.hProcess, INFINITE);
  (void)CloseHandle(process.hProcess);
  (void)CloseHandle(process.hThread);
  printf("%s: returned %d!\n", __func__, r);
  rc = r;
 
  if (rc == 0)
    printf("%s: Success!\n", __func__);
 
fail:
  free(exe);
  free(path);
  free(wpath);
  free(commandLine);
  return rc;
}
 
int TestConnect(int argc, char* argv[])
{
  int randomPort = 0;
  int random = 0;
  WINPR_UNUSED(argc);
  WINPR_UNUSED(argv);
  if (winpr_RAND(&random, sizeof(random)) < 0)
    return -1;
  randomPort = 3389 + (random % 200);
 
  /* Test connect to not existing server,
   * check if timeout is honored. */
  if (testTimeout(randomPort))
    return -1;
 
  /* Test connect to not existing server,
   * check if connection abort is working. */
  if (testAbort(randomPort))
    return -1;
 
  /* Test connect to existing server,
   * check if connection is working. */
  if (testSuccess(randomPort))
    return -1;
 
  return 0;
}