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freerdp/client/Windows/wf_client.c

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/**
* FreeRDP: A Remote Desktop Protocol Implementation
* Windows Client
*
* Copyright 2009-2011 Jay Sorg
* Copyright 2010-2011 Vic Lee
* Copyright 2010-2011 Marc-Andre Moreau <marcandre.moreau@gmail.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <winpr/windows.h>
#include <winpr/crt.h>
#include <winpr/credui.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <tchar.h>
#include <assert.h>
#include <sys/types.h>
#include <freerdp/log.h>
#include <freerdp/event.h>
#include <freerdp/freerdp.h>
#include <freerdp/constants.h>
#include <freerdp/codec/region.h>
#include <freerdp/client/cmdline.h>
#include <freerdp/client/channels.h>
#include <freerdp/channels/channels.h>
#include "wf_gdi.h"
#include "wf_rail.h"
#include "wf_channels.h"
#include "wf_graphics.h"
#include "wf_cliprdr.h"
#include "wf_client.h"
#include "resource.h"
#define TAG CLIENT_TAG("windows")
static BOOL wf_create_console(void)
{
#if defined(WITH_WIN_CONSOLE)
if (!AttachConsole(ATTACH_PARENT_PROCESS))
return FALSE;
freopen("CONOUT$", "w", stdout);
freopen("CONOUT$", "w", stderr);
clearerr(stdout);
clearerr(stderr);
fflush(stdout);
fflush(stderr);
freopen("CONIN$", "r", stdin);
clearerr(stdin);
WLog_INFO(TAG, "Debug console created.");
return TRUE;
#else
return FALSE;
#endif
}
static BOOL wf_end_paint(rdpContext* context)
{
int i;
rdpGdi* gdi;
int ninvalid;
RECT updateRect;
HGDI_RGN cinvalid;
REGION16 invalidRegion;
RECTANGLE_16 invalidRect;
const RECTANGLE_16* extents;
wfContext* wfc = (wfContext*)context;
gdi = context->gdi;
ninvalid = gdi->primary->hdc->hwnd->ninvalid;
cinvalid = gdi->primary->hdc->hwnd->cinvalid;
if (ninvalid < 1)
return TRUE;
region16_init(&invalidRegion);
for (i = 0; i < ninvalid; i++)
{
invalidRect.left = cinvalid[i].x;
invalidRect.top = cinvalid[i].y;
invalidRect.right = cinvalid[i].x + cinvalid[i].w;
invalidRect.bottom = cinvalid[i].y + cinvalid[i].h;
region16_union_rect(&invalidRegion, &invalidRegion, &invalidRect);
}
if (!region16_is_empty(&invalidRegion))
{
extents = region16_extents(&invalidRegion);
updateRect.left = extents->left;
updateRect.top = extents->top;
updateRect.right = extents->right;
updateRect.bottom = extents->bottom;
if (wfc->xScrollVisible)
{
updateRect.left -= MIN(updateRect.left, wfc->xCurrentScroll);
updateRect.right -= MIN(updateRect.right, wfc->xCurrentScroll);
}
if (wfc->yScrollVisible)
{
updateRect.top -= MIN(updateRect.top, wfc->yCurrentScroll);
updateRect.bottom -= MIN(updateRect.bottom, wfc->yCurrentScroll);
}
InvalidateRect(wfc->hwnd, &updateRect, FALSE);
if (wfc->rail)
wf_rail_invalidate_region(wfc, &invalidRegion);
}
region16_uninit(&invalidRegion);
return TRUE;
}
static BOOL wf_begin_paint(rdpContext* context)
{
HGDI_DC hdc;
if (!context || !context->gdi || !context->gdi->primary || !context->gdi->primary->hdc)
return FALSE;
hdc = context->gdi->primary->hdc;
if (!hdc || !hdc->hwnd || !hdc->hwnd->invalid)
return FALSE;
hdc->hwnd->invalid->null = TRUE;
hdc->hwnd->ninvalid = 0;
return TRUE;
}
static BOOL wf_desktop_resize(rdpContext* context)
{
BOOL same;
RECT rect;
rdpSettings* settings;
wfContext* wfc = (wfContext*)context;
if (!context || !context->settings)
return FALSE;
settings = context->settings;
if (wfc->primary)
{
same = (wfc->primary == wfc->drawing) ? TRUE : FALSE;
wf_image_free(wfc->primary);
wfc->primary = wf_image_new(wfc, settings->DesktopWidth, settings->DesktopHeight,
context->gdi->dstFormat, NULL);
}
if (!gdi_resize_ex(context->gdi, settings->DesktopWidth, settings->DesktopHeight, 0,
context->gdi->dstFormat, wfc->primary->pdata, NULL))
return FALSE;
if (same)
wfc->drawing = wfc->primary;
if (wfc->fullscreen != TRUE)
{
if (wfc->hwnd)
SetWindowPos(wfc->hwnd, HWND_TOP, -1, -1, settings->DesktopWidth + wfc->diff.x,
settings->DesktopHeight + wfc->diff.y, SWP_NOMOVE);
}
else
{
wf_update_offset(wfc);
GetWindowRect(wfc->hwnd, &rect);
InvalidateRect(wfc->hwnd, &rect, TRUE);
}
return TRUE;
}
static BOOL wf_pre_connect(freerdp* instance)
{
UINT32 rc;
wfContext* wfc;
int desktopWidth;
int desktopHeight;
rdpContext* context;
rdpSettings* settings;
if (!instance || !instance->context || !instance->settings)
return FALSE;
context = instance->context;
wfc = (wfContext*)instance->context;
settings = instance->settings;
settings->OsMajorType = OSMAJORTYPE_WINDOWS;
settings->OsMinorType = OSMINORTYPE_WINDOWS_NT;
wfc->fullscreen = settings->Fullscreen;
wfc->fullscreen_toggle = settings->ToggleFullscreen;
desktopWidth = settings->DesktopWidth;
desktopHeight = settings->DesktopHeight;
if (wfc->percentscreen > 0)
{
desktopWidth = (GetSystemMetrics(SM_CXSCREEN) * wfc->percentscreen) / 100;
settings->DesktopWidth = desktopWidth;
desktopHeight = (GetSystemMetrics(SM_CYSCREEN) * wfc->percentscreen) / 100;
settings->DesktopHeight = desktopHeight;
}
if (wfc->fullscreen)
{
if (settings->UseMultimon)
{
desktopWidth = GetSystemMetrics(SM_CXVIRTUALSCREEN);
desktopHeight = GetSystemMetrics(SM_CYVIRTUALSCREEN);
}
else
{
desktopWidth = GetSystemMetrics(SM_CXSCREEN);
desktopHeight = GetSystemMetrics(SM_CYSCREEN);
}
}
/* FIXME: desktopWidth has a limitation that it should be divisible by 4,
* otherwise the screen will crash when connecting to an XP desktop.*/
desktopWidth = (desktopWidth + 3) & (~3);
if (desktopWidth != settings->DesktopWidth)
{
freerdp_set_param_uint32(settings, FreeRDP_DesktopWidth, desktopWidth);
}
if (desktopHeight != settings->DesktopHeight)
{
freerdp_set_param_uint32(settings, FreeRDP_DesktopHeight, desktopHeight);
}
if ((settings->DesktopWidth < 64) || (settings->DesktopHeight < 64) ||
(settings->DesktopWidth > 4096) || (settings->DesktopHeight > 4096))
{
WLog_ERR(TAG, "invalid dimensions %lu %lu", settings->DesktopWidth,
settings->DesktopHeight);
return FALSE;
}
if (!freerdp_client_load_addins(context->channels, instance->settings))
return -1;
rc = freerdp_keyboard_init(freerdp_settings_get_uint32(settings, FreeRDP_KeyboardLayout));
freerdp_set_param_uint32(settings, FreeRDP_KeyboardLayout, rc);
PubSub_SubscribeChannelConnected(instance->context->pubSub, wf_OnChannelConnectedEventHandler);
PubSub_SubscribeChannelDisconnected(instance->context->pubSub,
wf_OnChannelDisconnectedEventHandler);
return TRUE;
}
static void wf_add_system_menu(wfContext* wfc)
{
HMENU hMenu;
MENUITEMINFO item_info;
if (wfc->fullscreen && !wfc->fullscreen_toggle)
{
return;
}
hMenu = GetSystemMenu(wfc->hwnd, FALSE);
ZeroMemory(&item_info, sizeof(MENUITEMINFO));
item_info.fMask = MIIM_CHECKMARKS | MIIM_FTYPE | MIIM_ID | MIIM_STRING | MIIM_DATA;
item_info.cbSize = sizeof(MENUITEMINFO);
item_info.wID = SYSCOMMAND_ID_SMARTSIZING;
item_info.fType = MFT_STRING;
item_info.dwTypeData = _wcsdup(_T("Smart sizing"));
item_info.cch = (UINT)_wcslen(_T("Smart sizing"));
item_info.dwItemData = (ULONG_PTR)wfc;
InsertMenuItem(hMenu, 6, TRUE, &item_info);
if (wfc->context.settings->SmartSizing)
{
CheckMenuItem(hMenu, SYSCOMMAND_ID_SMARTSIZING, MF_CHECKED);
}
}
static WCHAR* wf_window_get_title(rdpSettings* settings)
{
BOOL port;
WCHAR* windowTitle = NULL;
size_t size;
char* name;
WCHAR prefix[] = L"FreeRDP:";
if (!settings)
return NULL;
name = settings->ServerHostname;
if (settings->WindowTitle)
{
ConvertToUnicode(CP_UTF8, 0, settings->WindowTitle, -1, &windowTitle, 0);
return windowTitle;
}
port = (settings->ServerPort != 3389);
size = strlen(name) + 16 + wcslen(prefix);
windowTitle = calloc(size, sizeof(WCHAR));
if (!windowTitle)
return NULL;
if (!port)
_snwprintf_s(windowTitle, size, _TRUNCATE, L"%s %S", prefix, name);
else
_snwprintf_s(windowTitle, size, _TRUNCATE, L"%s %S:%u", prefix, name, settings->ServerPort);
return windowTitle;
}
static BOOL wf_post_connect(freerdp* instance)
{
rdpGdi* gdi;
DWORD dwStyle;
rdpCache* cache;
wfContext* wfc;
rdpContext* context;
rdpSettings* settings;
EmbedWindowEventArgs e;
const UINT32 format = PIXEL_FORMAT_BGRX32;
settings = instance->settings;
context = instance->context;
wfc = (wfContext*)instance->context;
cache = instance->context->cache;
wfc->primary = wf_image_new(wfc, settings->DesktopWidth, settings->DesktopHeight, format, NULL);
if (!gdi_init_ex(instance, format, 0, wfc->primary->pdata, NULL))
return FALSE;
gdi = instance->context->gdi;
if (!settings->SoftwareGdi)
{
wf_gdi_register_update_callbacks(instance->update);
}
wfc->window_title = wf_window_get_title(settings);
if (!wfc->window_title)
return FALSE;
if (settings->EmbeddedWindow)
settings->Decorations = FALSE;
if (wfc->fullscreen)
dwStyle = WS_POPUP;
else if (!settings->Decorations)
dwStyle = WS_CHILD | WS_BORDER;
else
dwStyle =
WS_CAPTION | WS_OVERLAPPED | WS_SYSMENU | WS_MINIMIZEBOX | WS_SIZEBOX | WS_MAXIMIZEBOX;
if (!wfc->hwnd)
{
wfc->hwnd = CreateWindowEx((DWORD)NULL, wfc->wndClassName, wfc->window_title, dwStyle, 0, 0,
0, 0, wfc->hWndParent, NULL, wfc->hInstance, NULL);
SetWindowLongPtr(wfc->hwnd, GWLP_USERDATA, (LONG_PTR)wfc);
}
wf_resize_window(wfc);
wf_add_system_menu(wfc);
BitBlt(wfc->primary->hdc, 0, 0, settings->DesktopWidth, settings->DesktopHeight, NULL, 0, 0,
BLACKNESS);
wfc->drawing = wfc->primary;
EventArgsInit(&e, "wfreerdp");
e.embed = FALSE;
e.handle = (void*)wfc->hwnd;
PubSub_OnEmbedWindow(context->pubSub, context, &e);
ShowWindow(wfc->hwnd, SW_SHOWNORMAL);
UpdateWindow(wfc->hwnd);
instance->update->BeginPaint = wf_begin_paint;
instance->update->DesktopResize = wf_desktop_resize;
instance->update->EndPaint = wf_end_paint;
wf_register_pointer(context->graphics);
if (!settings->SoftwareGdi)
{
wf_register_graphics(context->graphics);
wf_gdi_register_update_callbacks(instance->update);
brush_cache_register_callbacks(instance->update);
glyph_cache_register_callbacks(instance->update);
bitmap_cache_register_callbacks(instance->update);
offscreen_cache_register_callbacks(instance->update);
palette_cache_register_callbacks(instance->update);
}
wfc->floatbar = wf_floatbar_new(wfc, wfc->hInstance, settings->Floatbar);
return TRUE;
}
static void wf_post_disconnect(freerdp* instance)
{
wfContext* wfc;
if (!instance || !instance->context || !instance->settings)
return;
wfc = (wfContext*)instance->context;
free(wfc->window_title);
}
static CREDUI_INFOA wfUiInfo = { sizeof(CREDUI_INFOA), NULL, "Enter your credentials",
"Remote Desktop Security", NULL };
static BOOL wf_authenticate_raw(freerdp* instance, const char* title, char** username,
char** password, char** domain)
{
wfContext* wfc;
BOOL fSave;
DWORD status;
DWORD dwFlags;
char UserName[CREDUI_MAX_USERNAME_LENGTH + 1] = { 0 };
char Password[CREDUI_MAX_PASSWORD_LENGTH + 1] = { 0 };
char User[CREDUI_MAX_USERNAME_LENGTH + 1] = { 0 };
char Domain[CREDUI_MAX_DOMAIN_TARGET_LENGTH + 1] = { 0 };
if (!instance || !instance->context)
return FALSE;
wfc = (wfContext*)instance->context;
fSave = FALSE;
dwFlags = CREDUI_FLAGS_DO_NOT_PERSIST | CREDUI_FLAGS_EXCLUDE_CERTIFICATES;
if (username && *username)
strncpy(UserName, *username, CREDUI_MAX_USERNAME_LENGTH);
if (wfc->isConsole)
status = CredUICmdLinePromptForCredentialsA(
title, NULL, 0, UserName, CREDUI_MAX_USERNAME_LENGTH + 1, Password,
CREDUI_MAX_PASSWORD_LENGTH + 1, &fSave, dwFlags);
else
status = CredUIPromptForCredentialsA(&wfUiInfo, title, NULL, 0, UserName,
CREDUI_MAX_USERNAME_LENGTH + 1, Password,
CREDUI_MAX_PASSWORD_LENGTH + 1, &fSave, dwFlags);
if (status != NO_ERROR)
{
WLog_ERR(TAG, "CredUIPromptForCredentials unexpected status: 0x%08lX", status);
return FALSE;
}
status = CredUIParseUserNameA(UserName, User, sizeof(User), Domain, sizeof(Domain));
// WLog_ERR(TAG, "User: %s Domain: %s Password: %s", User, Domain, Password);
*username = _strdup(User);
if (!(*username))
{
WLog_ERR(TAG, "strdup failed", status);
return FALSE;
}
if (strlen(Domain) > 0)
*domain = _strdup(Domain);
else
*domain = _strdup("\0");
if (!(*domain))
{
free(*username);
WLog_ERR(TAG, "strdup failed", status);
return FALSE;
}
*password = _strdup(Password);
if (!(*password))
{
free(*username);
free(*domain);
return FALSE;
}
return TRUE;
}
static BOOL wf_authenticate(freerdp* instance, char** username, char** password, char** domain)
{
return wf_authenticate_raw(instance, instance->settings->ServerHostname, username, password,
domain);
}
static BOOL wf_gw_authenticate(freerdp* instance, char** username, char** password, char** domain)
{
char tmp[MAX_PATH];
sprintf_s(tmp, sizeof(tmp), "Gateway %s", instance->settings->GatewayHostname);
return wf_authenticate_raw(instance, tmp, username, password, domain);
}
static WCHAR* wf_format_text(const WCHAR* fmt, ...)
{
int rc;
size_t size = 1024;
WCHAR* buffer = calloc(size, sizeof(WCHAR));
if (!buffer)
return NULL;
do
{
WCHAR* tmp;
va_list ap;
va_start(ap, fmt);
rc = vswprintf_s(buffer, size, fmt, ap);
va_end(ap);
if (rc <= 0)
goto fail;
if ((size_t)rc < size)
return buffer;
size = (size_t)rc + 1;
tmp = realloc(buffer, size * sizeof(WCHAR));
if (!tmp)
goto fail;
buffer = tmp;
} while (TRUE);
fail:
free(buffer);
return NULL;
}
static DWORD wf_verify_certificate_ex(freerdp* instance, const char* host, UINT16 port,
const char* common_name, const char* subject,
const char* issuer, const char* fingerprint, DWORD flags)
{
WCHAR* buffer;
WCHAR* caption;
int what = IDCANCEL;
buffer = wf_format_text(
L"Certificate details:\n"
L"\tCommonName: %S\n"
L"\tSubject: %S\n"
L"\tIssuer: %S\n"
L"\tThumbprint: %S\n"
L"\tHostMismatch: %S\n"
L"\n"
L"The above X.509 certificate could not be verified, possibly because you do not have "
L"the CA certificate in your certificate store, or the certificate has expired. "
L"Please look at the OpenSSL documentation on how to add a private CA to the store.\n"
L"\n"
L"YES\tAccept permanently\n"
L"NO\tAccept for this session only\n"
L"CANCEL\tAbort connection\n",
common_name, subject, issuer, fingerprint,
flags & VERIFY_CERT_FLAG_MISMATCH ? "Yes" : "No");
caption = wf_format_text(L"Verify certificate for %S:%hu", host, port);
if (!buffer || !caption)
goto fail;
what = MessageBoxW(NULL, buffer, caption, MB_YESNOCANCEL);
fail:
free(buffer);
free(caption);
/* return 1 to accept and store a certificate, 2 to accept
* a certificate only for this session, 0 otherwise */
switch (what)
{
case IDYES:
return 1;
case IDNO:
return 2;
default:
return 0;
}
}
static DWORD wf_verify_changed_certificate_ex(freerdp* instance, const char* host, UINT16 port,
const char* common_name, const char* subject,
const char* issuer, const char* new_fingerprint,
const char* old_subject, const char* old_issuer,
const char* old_fingerprint, DWORD flags)
{
WCHAR* buffer;
WCHAR* caption;
int what = IDCANCEL;
buffer = wf_format_text(
L"New Certificate details:\n"
L"\tCommonName: %S\n"
L"\tSubject: %S\n"
L"\tIssuer: %S\n"
L"\tThumbprint: %S\n"
L"\tHostMismatch: %S\n"
L"\n"
L"Old Certificate details:\n"
L"\tSubject: %S\n"
L"\tIssuer: %S\n"
L"\tThumbprint: %S"
L"The above X.509 certificate could not be verified, possibly because you do not have "
L"the CA certificate in your certificate store, or the certificate has expired. "
L"Please look at the OpenSSL documentation on how to add a private CA to the store.\n"
L"\n"
L"YES\tAccept permanently\n"
L"NO\tAccept for this session only\n"
L"CANCEL\tAbort connection\n",
common_name, subject, issuer, new_fingerprint,
flags & VERIFY_CERT_FLAG_MISMATCH ? "Yes" : "No", old_subject, old_issuer, old_fingerprint);
caption = wf_format_text(L"Verify certificate change for %S:%hu", host, port);
if (!buffer || !caption)
goto fail;
what = MessageBoxW(NULL, buffer, caption, MB_YESNOCANCEL);
fail:
free(buffer);
free(caption);
/* return 1 to accept and store a certificate, 2 to accept
* a certificate only for this session, 0 otherwise */
switch (what)
{
case IDYES:
return 1;
case IDNO:
return 2;
default:
return 0;
}
}
static BOOL wf_present_gateway_message(freerdp* instance, UINT32 type, BOOL isDisplayMandatory,
BOOL isConsentMandatory, size_t length, const WCHAR* message)
{
if (!isDisplayMandatory && !isConsentMandatory)
return TRUE;
/* special handling for consent messages (show modal dialog) */
if (type == GATEWAY_MESSAGE_CONSENT && isConsentMandatory)
{
int mbRes;
WCHAR* msg;
msg = wf_format_text(L"%.*s\n\nI understand and agree to the terms of this policy", length,
message);
mbRes = MessageBoxW(NULL, msg, L"Consent Message", MB_YESNO);
free(msg);
if (mbRes != IDYES)
return FALSE;
}
else
return client_cli_present_gateway_message(instance, type, isDisplayMandatory,
isConsentMandatory, length, message);
return TRUE;
}
static DWORD WINAPI wf_input_thread(LPVOID arg)
{
int status;
wMessage message;
wMessageQueue* queue;
freerdp* instance = (freerdp*)arg;
assert(NULL != instance);
status = 1;
queue = freerdp_get_message_queue(instance, FREERDP_INPUT_MESSAGE_QUEUE);
while (MessageQueue_Wait(queue))
{
while (MessageQueue_Peek(queue, &message, TRUE))
{
status = freerdp_message_queue_process_message(instance, FREERDP_INPUT_MESSAGE_QUEUE,
&message);
if (!status)
break;
}
if (!status)
break;
}
ExitThread(0);
return 0;
}
static DWORD WINAPI wf_client_thread(LPVOID lpParam)
{
MSG msg;
int width;
int height;
BOOL msg_ret;
int quit_msg;
DWORD nCount;
DWORD error;
HANDLE handles[64];
wfContext* wfc;
freerdp* instance;
rdpContext* context;
rdpChannels* channels;
rdpSettings* settings;
BOOL async_input;
HANDLE input_thread;
instance = (freerdp*)lpParam;
context = instance->context;
wfc = (wfContext*)instance->context;
if (!freerdp_connect(instance))
goto end;
channels = instance->context->channels;
settings = instance->context->settings;
async_input = settings->AsyncInput;
if (async_input)
{
if (!(input_thread = CreateThread(NULL, 0, wf_input_thread, instance, 0, NULL)))
{
WLog_ERR(TAG, "Failed to create async input thread.");
goto disconnect;
}
}
while (1)
{
nCount = 0;
if (freerdp_focus_required(instance))
{
wf_event_focus_in(wfc);
wf_event_focus_in(wfc);
}
{
DWORD tmp = freerdp_get_event_handles(context, &handles[nCount], 64 - nCount);
if (tmp == 0)
{
WLog_ERR(TAG, "freerdp_get_event_handles failed");
break;
}
nCount += tmp;
}
if (MsgWaitForMultipleObjects(nCount, handles, FALSE, 1000, QS_ALLINPUT) == WAIT_FAILED)
{
WLog_ERR(TAG, "wfreerdp_run: WaitForMultipleObjects failed: 0x%08lX", GetLastError());
break;
}
{
if (!freerdp_check_event_handles(context))
{
if (client_auto_reconnect(instance))
continue;
WLog_ERR(TAG, "Failed to check FreeRDP file descriptor");
break;
}
}
if (freerdp_shall_disconnect(instance))
break;
quit_msg = FALSE;
while (PeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE))
{
msg_ret = GetMessage(&msg, NULL, 0, 0);
if (instance->settings->EmbeddedWindow)
{
if ((msg.message == WM_SETFOCUS) && (msg.lParam == 1))
{
PostMessage(wfc->hwnd, WM_SETFOCUS, 0, 0);
}
else if ((msg.message == WM_KILLFOCUS) && (msg.lParam == 1))
{
PostMessage(wfc->hwnd, WM_KILLFOCUS, 0, 0);
}
}
if (msg.message == WM_SIZE)
{
width = LOWORD(msg.lParam);
height = HIWORD(msg.lParam);
SetWindowPos(wfc->hwnd, HWND_TOP, 0, 0, width, height, SWP_FRAMECHANGED);
}
if ((msg_ret == 0) || (msg_ret == -1))
{
quit_msg = TRUE;
break;
}
TranslateMessage(&msg);
DispatchMessage(&msg);
}
if (quit_msg)
break;
}
/* cleanup */
if (async_input)
{
wMessageQueue* input_queue;
input_queue = freerdp_get_message_queue(instance, FREERDP_INPUT_MESSAGE_QUEUE);
if (MessageQueue_PostQuit(input_queue, 0))
WaitForSingleObject(input_thread, INFINITE);
}
disconnect:
freerdp_disconnect(instance);
if (async_input)
CloseHandle(input_thread);
end:
error = freerdp_get_last_error(instance->context);
WLog_DBG(TAG, "Main thread exited with %" PRIu32, error);
ExitThread(error);
return error;
}
static DWORD WINAPI wf_keyboard_thread(LPVOID lpParam)
{
MSG msg;
BOOL status;
wfContext* wfc;
HHOOK hook_handle;
wfc = (wfContext*)lpParam;
assert(NULL != wfc);
hook_handle = SetWindowsHookEx(WH_KEYBOARD_LL, wf_ll_kbd_proc, wfc->hInstance, 0);
if (hook_handle)
{
while ((status = GetMessage(&msg, NULL, 0, 0)) != 0)
{
if (status == -1)
{
WLog_ERR(TAG, "keyboard thread error getting message");
break;
}
else
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
UnhookWindowsHookEx(hook_handle);
}
else
{
WLog_ERR(TAG, "failed to install keyboard hook");
}
WLog_DBG(TAG, "Keyboard thread exited.");
ExitThread(0);
return (DWORD)NULL;
}
static rdpSettings* freerdp_client_get_settings(wfContext* wfc)
{
return wfc->context.settings;
}
static int freerdp_client_focus_in(wfContext* wfc)
{
PostThreadMessage(wfc->mainThreadId, WM_SETFOCUS, 0, 1);
return 0;
}
static int freerdp_client_focus_out(wfContext* wfc)
{
PostThreadMessage(wfc->mainThreadId, WM_KILLFOCUS, 0, 1);
return 0;
}
int freerdp_client_set_window_size(wfContext* wfc, int width, int height)
{
WLog_DBG(TAG, "freerdp_client_set_window_size %d, %d", width, height);
if ((width != wfc->client_width) || (height != wfc->client_height))
{
PostThreadMessage(wfc->mainThreadId, WM_SIZE, SIZE_RESTORED,
((UINT)height << 16) | (UINT)width);
}
return 0;
}
void wf_size_scrollbars(wfContext* wfc, UINT32 client_width, UINT32 client_height)
{
if (wfc->disablewindowtracking)
return;
// prevent infinite message loop
wfc->disablewindowtracking = TRUE;
if (wfc->context.settings->SmartSizing)
{
wfc->xCurrentScroll = 0;
wfc->yCurrentScroll = 0;
if (wfc->xScrollVisible || wfc->yScrollVisible)
{
if (ShowScrollBar(wfc->hwnd, SB_BOTH, FALSE))
{
wfc->xScrollVisible = FALSE;
wfc->yScrollVisible = FALSE;
}
}
}
else
{
SCROLLINFO si;
BOOL horiz = wfc->xScrollVisible;
BOOL vert = wfc->yScrollVisible;
if (!horiz && client_width < wfc->context.settings->DesktopWidth)
{
horiz = TRUE;
}
else if (horiz &&
client_width >=
wfc->context.settings->DesktopWidth /* - GetSystemMetrics(SM_CXVSCROLL)*/)
{
horiz = FALSE;
}
if (!vert && client_height < wfc->context.settings->DesktopHeight)
{
vert = TRUE;
}
else if (vert &&
client_height >=
wfc->context.settings->DesktopHeight /* - GetSystemMetrics(SM_CYHSCROLL)*/)
{
vert = FALSE;
}
if (horiz == vert && (horiz != wfc->xScrollVisible && vert != wfc->yScrollVisible))
{
if (ShowScrollBar(wfc->hwnd, SB_BOTH, horiz))
{
wfc->xScrollVisible = horiz;
wfc->yScrollVisible = vert;
}
}
if (horiz != wfc->xScrollVisible)
{
if (ShowScrollBar(wfc->hwnd, SB_HORZ, horiz))
{
wfc->xScrollVisible = horiz;
}
}
if (vert != wfc->yScrollVisible)
{
if (ShowScrollBar(wfc->hwnd, SB_VERT, vert))
{
wfc->yScrollVisible = vert;
}
}
if (horiz)
{
// The horizontal scrolling range is defined by
// (bitmap_width) - (client_width). The current horizontal
// scroll value remains within the horizontal scrolling range.
wfc->xMaxScroll = MAX(wfc->context.settings->DesktopWidth - client_width, 0);
wfc->xCurrentScroll = MIN(wfc->xCurrentScroll, wfc->xMaxScroll);
si.cbSize = sizeof(si);
si.fMask = SIF_RANGE | SIF_PAGE | SIF_POS;
si.nMin = wfc->xMinScroll;
si.nMax = wfc->context.settings->DesktopWidth;
si.nPage = client_width;
si.nPos = wfc->xCurrentScroll;
SetScrollInfo(wfc->hwnd, SB_HORZ, &si, TRUE);
}
if (vert)
{
// The vertical scrolling range is defined by
// (bitmap_height) - (client_height). The current vertical
// scroll value remains within the vertical scrolling range.
wfc->yMaxScroll = MAX(wfc->context.settings->DesktopHeight - client_height, 0);
wfc->yCurrentScroll = MIN(wfc->yCurrentScroll, wfc->yMaxScroll);
si.cbSize = sizeof(si);
si.fMask = SIF_RANGE | SIF_PAGE | SIF_POS;
si.nMin = wfc->yMinScroll;
si.nMax = wfc->context.settings->DesktopHeight;
si.nPage = client_height;
si.nPos = wfc->yCurrentScroll;
SetScrollInfo(wfc->hwnd, SB_VERT, &si, TRUE);
}
}
wfc->disablewindowtracking = FALSE;
wf_update_canvas_diff(wfc);
}
static BOOL wfreerdp_client_global_init(void)
{
WSADATA wsaData;
WSAStartup(0x101, &wsaData);
freerdp_register_addin_provider(freerdp_channels_load_static_addin_entry, 0);
return TRUE;
}
static void wfreerdp_client_global_uninit(void)
{
WSACleanup();
}
static BOOL wfreerdp_client_new(freerdp* instance, rdpContext* context)
{
wfContext* wfc = (wfContext*)context;
if (!wfc)
return FALSE;
// AttachConsole and stdin do not work well.
// Use GUI input dialogs instead of command line ones.
wfc->isConsole = wf_create_console();
if (!(wfreerdp_client_global_init()))
return FALSE;
instance->PreConnect = wf_pre_connect;
instance->PostConnect = wf_post_connect;
instance->PostDisconnect = wf_post_disconnect;
instance->Authenticate = wf_authenticate;
instance->GatewayAuthenticate = wf_gw_authenticate;
if (wfc->isConsole)
{
instance->VerifyCertificateEx = client_cli_verify_certificate_ex;
instance->VerifyChangedCertificateEx = client_cli_verify_changed_certificate_ex;
instance->PresentGatewayMessage = client_cli_present_gateway_message;
}
else
{
instance->VerifyCertificateEx = wf_verify_certificate_ex;
instance->VerifyChangedCertificateEx = wf_verify_changed_certificate_ex;
instance->PresentGatewayMessage = wf_present_gateway_message;
}
return TRUE;
}
static void wfreerdp_client_free(freerdp* instance, rdpContext* context)
{
if (!context)
return;
}
static int wfreerdp_client_start(rdpContext* context)
{
HWND hWndParent;
HINSTANCE hInstance;
wfContext* wfc = (wfContext*)context;
freerdp* instance = context->instance;
hInstance = GetModuleHandle(NULL);
hWndParent = (HWND)instance->settings->ParentWindowId;
instance->settings->EmbeddedWindow = (hWndParent) ? TRUE : FALSE;
wfc->hWndParent = hWndParent;
wfc->hInstance = hInstance;
wfc->cursor = LoadCursor(NULL, IDC_ARROW);
wfc->icon = LoadIcon(GetModuleHandle(NULL), MAKEINTRESOURCE(IDI_ICON1));
wfc->wndClassName = _tcsdup(_T("FreeRDP"));
wfc->wndClass.cbSize = sizeof(WNDCLASSEX);
wfc->wndClass.style = CS_HREDRAW | CS_VREDRAW;
wfc->wndClass.lpfnWndProc = wf_event_proc;
wfc->wndClass.cbClsExtra = 0;
wfc->wndClass.cbWndExtra = 0;
wfc->wndClass.hCursor = wfc->cursor;
wfc->wndClass.hbrBackground = (HBRUSH)GetStockObject(BLACK_BRUSH);
wfc->wndClass.lpszMenuName = NULL;
wfc->wndClass.lpszClassName = wfc->wndClassName;
wfc->wndClass.hInstance = hInstance;
wfc->wndClass.hIcon = wfc->icon;
wfc->wndClass.hIconSm = wfc->icon;
RegisterClassEx(&(wfc->wndClass));
wfc->keyboardThread =
CreateThread(NULL, 0, wf_keyboard_thread, (void*)wfc, 0, &wfc->keyboardThreadId);
if (!wfc->keyboardThread)
return -1;
wfc->thread = CreateThread(NULL, 0, wf_client_thread, (void*)instance, 0, &wfc->mainThreadId);
if (!wfc->thread)
return -1;
return 0;
}
static int wfreerdp_client_stop(rdpContext* context)
{
wfContext* wfc = (wfContext*)context;
if (wfc->thread)
{
PostThreadMessage(wfc->mainThreadId, WM_QUIT, 0, 0);
WaitForSingleObject(wfc->thread, INFINITE);
CloseHandle(wfc->thread);
wfc->thread = NULL;
wfc->mainThreadId = 0;
}
if (wfc->keyboardThread)
{
PostThreadMessage(wfc->keyboardThreadId, WM_QUIT, 0, 0);
WaitForSingleObject(wfc->keyboardThread, INFINITE);
CloseHandle(wfc->keyboardThread);
wfc->keyboardThread = NULL;
wfc->keyboardThreadId = 0;
}
return 0;
}
int RdpClientEntry(RDP_CLIENT_ENTRY_POINTS* pEntryPoints)
{
pEntryPoints->Version = 1;
pEntryPoints->Size = sizeof(RDP_CLIENT_ENTRY_POINTS_V1);
pEntryPoints->GlobalInit = wfreerdp_client_global_init;
pEntryPoints->GlobalUninit = wfreerdp_client_global_uninit;
pEntryPoints->ContextSize = sizeof(wfContext);
pEntryPoints->ClientNew = wfreerdp_client_new;
pEntryPoints->ClientFree = wfreerdp_client_free;
pEntryPoints->ClientStart = wfreerdp_client_start;
pEntryPoints->ClientStop = wfreerdp_client_stop;
return 0;
}
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