seamlessrdp/ServerExe/main.c

/* -*- c-basic-offset: 8 -*-
   rdesktop: A Remote Desktop Protocol client.
   Seamless windows - Remote server executable

   Based on code copyright (C) 2004-2005 Martin Wickett

   Copyright (C) Peter Åstrand <astrand@cendio.se> 2005-2006
   Copyright (C) Pierre Ossman <ossman@cendio.se> 2006

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

#include <windows.h>
#include <stdio.h>
#include <wtsapi32.h>
#include <cchannel.h>

#include "vchannel.h"

#include "resource.h"

#define APP_NAME "SeamlessRDP Shell"

#define FOCUS_MSG_NAME "WM_SEAMLESS_FOCUS"
static UINT g_wm_seamless_focus;

#ifndef WM_WTSSESSION_CHANGE
#define WM_WTSSESSION_CHANGE 0x02B1
#endif
#ifndef WTS_REMOTE_CONNECT
#define WTS_REMOTE_CONNECT 0x3
#endif

/* Global data */
static HINSTANCE g_instance;
static HWND g_hwnd;

typedef void (*set_hooks_proc_t) ();
typedef void (*remove_hooks_proc_t) ();
typedef int (*get_instance_count_proc_t) ();

typedef void (*move_window_proc_t) (HWND hwnd, int x, int y, int width, int height);

static move_window_proc_t g_move_window_fn = NULL;

static void
message(const char *text)
{
        MessageBox(GetDesktopWindow(), text, "SeamlessRDP Shell", MB_OK);
}

static char *
get_token(char **s)
{
        char *comma, *head;
        head = *s;

        if (!head)
                return NULL;

        comma = strchr(head, ',');
        if (comma)
        {
                *comma = '\0';
                *s = comma + 1;
        }
        else
        {
                *s = NULL;
        }

        return head;
}

static BOOL CALLBACK
enum_cb(HWND hwnd, LPARAM lparam)
{
        RECT rect;
        unsigned short title[150];
        LONG styles;
        int state;
        HWND parent;

        styles = GetWindowLong(hwnd, GWL_STYLE);

        if (!(styles & WS_VISIBLE))
                return TRUE;

        if (styles & WS_POPUP)
                parent = (HWND) GetWindowLong(hwnd, GWL_HWNDPARENT);
        else
                parent = NULL;

        vchannel_write("CREATE,0x%p,0x%p,0x%x", hwnd, parent, 0);

        if (!GetWindowRect(hwnd, &rect))
        {
                debug("GetWindowRect failed!");
                return TRUE;
        }

        vchannel_write("POSITION,0x%p,%d,%d,%d,%d,0x%x",
                       hwnd,
                       rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, 0);

        GetWindowTextW(hwnd, title, sizeof(title) / sizeof(*title));

        vchannel_write("TITLE,0x%x,%s,0x%x", hwnd, vchannel_strfilter_unicode(title), 0);

        if (styles & WS_MAXIMIZE)
                state = 2;
        else if (styles & WS_MINIMIZE)
                state = 1;
        else
                state = 0;

        vchannel_write("STATE,0x%p,0x%x,0x%x", hwnd, state, 0);

        return TRUE;
}

static void
do_sync(void)
{
        vchannel_block();

        vchannel_write("SYNCBEGIN,0x0");

        EnumWindows(enum_cb, 0);

        vchannel_write("SYNCEND,0x0");

        vchannel_unblock();
}

static void
do_state(HWND hwnd, int state)
{
        if (state == 0)
                ShowWindow(hwnd, SW_RESTORE);
        else if (state == 1)
                ShowWindow(hwnd, SW_MINIMIZE);
        else if (state == 2)
                ShowWindow(hwnd, SW_MAXIMIZE);
        else
                debug("Invalid state %d sent.", state);
}

static void
do_position(HWND hwnd, int x, int y, int width, int height)
{
        g_move_window_fn(hwnd, x, y, width, height);
}

static void
do_zchange(HWND hwnd, HWND behind)
{
        if (behind == NULL)
                behind = HWND_TOP;
        SetWindowPos(hwnd, behind, 0, 0, 0, 0, SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE);
}

static void
do_focus(HWND hwnd)
{
/*      if (!AttachThreadInput(GetCurrentThreadId(), GetWindowThreadProcessId(hwnd, NULL), TRUE))
        {
                debug("Failed to attach");
                return;
        }
        SetFocus(hwnd);
        AttachThreadInput(GetCurrentThreadId(), GetWindowThreadProcessId(hwnd, NULL), FALSE)*/
        SendMessage(hwnd, g_wm_seamless_focus, 0, 0);
}

static void
process_cmds(void)
{
        char line[VCHANNEL_MAX_LINE];
        int size;

        char *p, *tok1, *tok2, *tok3, *tok4, *tok5, *tok6, *tok7, *tok8;

        while ((size = vchannel_read(line, sizeof(line))) >= 0)
        {
                p = line;

                tok1 = get_token(&p);
                tok2 = get_token(&p);
                tok3 = get_token(&p);
                tok4 = get_token(&p);
                tok5 = get_token(&p);
                tok6 = get_token(&p);
                tok7 = get_token(&p);
                tok8 = get_token(&p);

                if (strcmp(tok1, "SYNC") == 0)
                        do_sync();
                else if (strcmp(tok1, "STATE") == 0)
                        do_state((HWND) strtoul(tok2, NULL, 0), strtol(tok3, NULL, 0));
                else if (strcmp(tok1, "POSITION") == 0)
                        do_position((HWND) strtoul(tok2, NULL, 0), strtol(tok3, NULL, 0),
                                    strtol(tok4, NULL, 0), strtol(tok5, NULL, 0), strtol(tok6, NULL,
                                                                                         0));
                else if (strcmp(tok1, "ZCHANGE") == 0)
                        do_zchange((HWND) strtoul(tok2, NULL, 0), (HWND) strtoul(tok3, NULL, 0));
                else if (strcmp(tok1, "FOCUS") == 0)
                        do_focus((HWND) strtoul(tok2, NULL, 0));
        }
}

static LRESULT CALLBACK
wndproc(HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam)
{
        if (message == WM_WTSSESSION_CHANGE)
        {
                if (wparam == WTS_REMOTE_CONNECT)
                {
                        /* These get reset on each reconnect */
                        SystemParametersInfo(SPI_SETDRAGFULLWINDOWS, TRUE, NULL, 0);
                        SystemParametersInfo(SPI_SETSCREENSAVEACTIVE, FALSE, NULL, 0);
                        vchannel_write("HELLO,0x%08x", 1);
                }
        }

        return DefWindowProc(hwnd, message, wparam, lparam);
}

static BOOL
register_class(void)
{
        WNDCLASSEX wcx;

        memset(&wcx, 0, sizeof(wcx));

        wcx.cbSize = sizeof(wcx);
        wcx.lpfnWndProc = wndproc;
        wcx.hInstance = g_instance;
        wcx.lpszClassName = "SeamlessClass";

        return RegisterClassEx(&wcx);
}

static BOOL
create_wnd(void)
{
        if (!register_class())
                return FALSE;

        g_hwnd = CreateWindow("SeamlessClass",
                              "Seamless Window",
                              WS_OVERLAPPEDWINDOW,
                              CW_USEDEFAULT,
                              CW_USEDEFAULT,
                              CW_USEDEFAULT,
                              CW_USEDEFAULT, (HWND) NULL, (HMENU) NULL, g_instance, (LPVOID) NULL);

        if (!g_hwnd)
                return FALSE;

        return TRUE;
}

int WINAPI
WinMain(HINSTANCE instance, HINSTANCE prev_instance, LPSTR cmdline, int cmdshow)
{
        HMODULE hookdll;

        set_hooks_proc_t set_hooks_fn;
        remove_hooks_proc_t remove_hooks_fn;
        get_instance_count_proc_t instance_count_fn;

        g_instance = instance;

        hookdll = LoadLibrary("seamlessrdp.dll");
        if (!hookdll)
        {
                message("Could not load hook DLL. Unable to continue.");
                return -1;
        }

        set_hooks_fn = (set_hooks_proc_t) GetProcAddress(hookdll, "SetHooks");
        remove_hooks_fn = (remove_hooks_proc_t) GetProcAddress(hookdll, "RemoveHooks");
        instance_count_fn = (get_instance_count_proc_t) GetProcAddress(hookdll, "GetInstanceCount");
        g_move_window_fn = (move_window_proc_t) GetProcAddress(hookdll, "SafeMoveWindow");

        if (!set_hooks_fn || !remove_hooks_fn || !instance_count_fn || !g_move_window_fn)
        {
                FreeLibrary(hookdll);
                message("Hook DLL doesn't contain the correct functions. Unable to continue.");
                return -1;
        }

        /* Check if the DLL is already loaded */
        if (instance_count_fn() != 1)
        {
                FreeLibrary(hookdll);
                message("Another running instance of Seamless RDP detected.");
                return -1;
        }

        if (!create_wnd())
        {
                FreeLibrary(hookdll);
                message("Couldn't create a window to catch events.");
                return -1;
        }

        g_wm_seamless_focus = RegisterWindowMessage(FOCUS_MSG_NAME);

        WTSRegisterSessionNotification(g_hwnd, NOTIFY_FOR_THIS_SESSION);

        vchannel_open();

        vchannel_write("HELLO,0x%08x", 0);

        set_hooks_fn();

        /* Since we don't see the entire desktop we must resize windows
           immediatly. */
        SystemParametersInfo(SPI_SETDRAGFULLWINDOWS, TRUE, NULL, 0);

        /* Disable screen saver since we cannot catch its windows. */
        SystemParametersInfo(SPI_SETSCREENSAVEACTIVE, FALSE, NULL, 0);

        if (strlen(cmdline) == 0)
        {
                message("No command line specified.");
                return -1;
        }
        else
        {
                BOOL result;
                DWORD exitcode;
                PROCESS_INFORMATION proc_info;
                STARTUPINFO startup_info;
                MSG msg;

                memset(&startup_info, 0, sizeof(STARTUPINFO));
                startup_info.cb = sizeof(STARTUPINFO);

                result = CreateProcess(NULL, cmdline, NULL, NULL, FALSE, 0,
                                       NULL, NULL, &startup_info, &proc_info);

                if (result)
                {
                        do
                        {
                                while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
                                {
                                        TranslateMessage(&msg);
                                        DispatchMessage(&msg);
                                }
                                process_cmds();
                                Sleep(100);
                                GetExitCodeProcess(proc_info.hProcess, &exitcode);
                        }
                        while (exitcode == STILL_ACTIVE);

                        // Release handles
                        CloseHandle(proc_info.hProcess);
                        CloseHandle(proc_info.hThread);
                }
                else
                {
                        // CreateProcess failed.
                        char msg[256];
                        _snprintf(msg, sizeof(msg),
                                  "Unable to launch the requested application:\n%s", cmdline);
                        message(msg);
                }
        }

        WTSUnRegisterSessionNotification(g_hwnd);

        remove_hooks_fn();

        FreeLibrary(hookdll);

        vchannel_close();

        return 1;
}
1	ossman_	1071	/* -- c-basic-offset: 8 --
2			rdesktop: A Remote Desktop Protocol client.
3			Seamless windows - Remote server executable
4	ossman_	1069
5	ossman_	1071	Based on code copyright (C) 2004-2005 Martin Wickett
6	ossman_	1069
7	ossman_	1071	Copyright (C) Peter Åstrand <astrand@cendio.se> 2005-2006
8			Copyright (C) Pierre Ossman <ossman@cendio.se> 2006
9	ossman_	1069
10	ossman_	1071	This program is free software; you can redistribute it and/or modify
11			it under the terms of the GNU General Public License as published by
12			the Free Software Foundation; either version 2 of the License, or
13			(at your option) any later version.
14	ossman_	1069
15	ossman_	1071	This program is distributed in the hope that it will be useful,
16			but WITHOUT ANY WARRANTY; without even the implied warranty of
17			MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18			GNU General Public License for more details.
19	ossman_	1069
20	ossman_	1071	You should have received a copy of the GNU General Public License
21			along with this program; if not, write to the Free Software
22			Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23			*/
24	ossman_	1069
25	ossman_	1071	#include <windows.h>
26			#include <stdio.h>
27	ossman_	1147	#include <wtsapi32.h>
28			#include <cchannel.h>
29	ossman_	1069
30	ossman_	1074	#include "vchannel.h"
31
32	ossman_	1071	#include "resource.h"
33	ossman_	1069
34	ossman_	1071	#define APP_NAME "SeamlessRDP Shell"
35	ossman_	1069
36	ossman_	1153	#define FOCUS_MSG_NAME "WM_SEAMLESS_FOCUS"
37			static UINT g_wm_seamless_focus;
38
39	ossman_	1147	#ifndef WM_WTSSESSION_CHANGE
40			#define WM_WTSSESSION_CHANGE 0x02B1
41			#endif
42			#ifndef WTS_REMOTE_CONNECT
43			#define WTS_REMOTE_CONNECT 0x3
44			#endif
45
46	ossman_	1071	/* Global data */
47			static HINSTANCE g_instance;
48	ossman_	1147	static HWND g_hwnd;
49	ossman_	1069
50	ossman_	1071	typedef void (*set_hooks_proc_t) ();
51			typedef void (*remove_hooks_proc_t) ();
52			typedef int (*get_instance_count_proc_t) ();
53	ossman_	1069
54	ossman_	1145	typedef void (*move_window_proc_t) (HWND hwnd, int x, int y, int width, int height);
55
56			static move_window_proc_t g_move_window_fn = NULL;
57
58	ossman_	1071	static void
59			message(const char *text)
60	ossman_	1069	{
61	ossman_	1071	MessageBox(GetDesktopWindow(), text, "SeamlessRDP Shell", MB_OK);
62	ossman_	1069	}
63
64	ossman_	1075	static char *
65			get_token(char **s)
66			{
67			char comma, head;
68			head = *s;
69
70			if (!head)
71			return NULL;
72
73			comma = strchr(head, ',');
74			if (comma)
75			{
76			*comma = '\0';
77			*s = comma + 1;
78			}
79			else
80			{
81			*s = NULL;
82			}
83
84			return head;
85			}
86
87	ossman_	1078	static BOOL CALLBACK
88			enum_cb(HWND hwnd, LPARAM lparam)
89	ossman_	1075	{
90			RECT rect;
91	ossman_	1135	unsigned short title[150];
92	ossman_	1075	LONG styles;
93			int state;
94	ossman_	1097	HWND parent;
95	ossman_	1075
96			styles = GetWindowLong(hwnd, GWL_STYLE);
97
98			if (!(styles & WS_VISIBLE))
99			return TRUE;
100
101	ossman_	1097	if (styles & WS_POPUP)
102			parent = (HWND) GetWindowLong(hwnd, GWL_HWNDPARENT);
103			else
104			parent = NULL;
105	ossman_	1075
106	ossman_	1097	vchannel_write("CREATE,0x%p,0x%p,0x%x", hwnd, parent, 0);
107
108	ossman_	1078	if (!GetWindowRect(hwnd, &rect))
109			{
110	ossman_	1075	debug("GetWindowRect failed!");
111			return TRUE;
112			}
113
114	astrand	1091	vchannel_write("POSITION,0x%p,%d,%d,%d,%d,0x%x",
115	ossman_	1075	hwnd,
116	ossman_	1078	rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, 0);
117	ossman_	1075
118	ossman_	1135	GetWindowTextW(hwnd, title, sizeof(title) / sizeof(*title));
119	ossman_	1075
120	ossman_	1135	vchannel_write("TITLE,0x%x,%s,0x%x", hwnd, vchannel_strfilter_unicode(title), 0);
121	ossman_	1075
122			if (styles & WS_MAXIMIZE)
123			state = 2;
124			else if (styles & WS_MINIMIZE)
125			state = 1;
126			else
127			state = 0;
128
129	ossman_	1096	vchannel_write("STATE,0x%p,0x%x,0x%x", hwnd, state, 0);
130	ossman_	1075
131			return TRUE;
132			}
133
134	ossman_	1074	static void
135	ossman_	1075	do_sync(void)
136			{
137			vchannel_block();
138
139			vchannel_write("SYNCBEGIN,0x0");
140
141			EnumWindows(enum_cb, 0);
142
143			vchannel_write("SYNCEND,0x0");
144
145			vchannel_unblock();
146			}
147
148			static void
149	ossman_	1111	do_state(HWND hwnd, int state)
150			{
151			if (state == 0)
152			ShowWindow(hwnd, SW_RESTORE);
153			else if (state == 1)
154			ShowWindow(hwnd, SW_MINIMIZE);
155			else if (state == 2)
156			ShowWindow(hwnd, SW_MAXIMIZE);
157			else
158			debug("Invalid state %d sent.", state);
159			}
160
161			static void
162	ossman_	1112	do_position(HWND hwnd, int x, int y, int width, int height)
163			{
164	ossman_	1145	g_move_window_fn(hwnd, x, y, width, height);
165	ossman_	1112	}
166
167			static void
168			do_zchange(HWND hwnd, HWND behind)
169			{
170			if (behind == NULL)
171			behind = HWND_TOP;
172			SetWindowPos(hwnd, behind, 0, 0, 0, 0, SWP_NOACTIVATE \| SWP_NOMOVE \| SWP_NOSIZE);
173			}
174
175			static void
176	ossman_	1153	do_focus(HWND hwnd)
177			{
178			/* if (!AttachThreadInput(GetCurrentThreadId(), GetWindowThreadProcessId(hwnd, NULL), TRUE))
179			{
180			debug("Failed to attach");
181			return;
182			}
183			SetFocus(hwnd);
184			AttachThreadInput(GetCurrentThreadId(), GetWindowThreadProcessId(hwnd, NULL), FALSE)*/
185			SendMessage(hwnd, g_wm_seamless_focus, 0, 0);
186			}
187
188			static void
189	ossman_	1074	process_cmds(void)
190			{
191			char line[VCHANNEL_MAX_LINE];
192			int size;
193
194	ossman_	1075	char p, tok1, tok2, tok3, tok4, tok5, tok6, tok7, *tok8;
195
196	ossman_	1078	while ((size = vchannel_read(line, sizeof(line))) >= 0)
197			{
198	ossman_	1075	p = line;
199
200			tok1 = get_token(&p);
201			tok2 = get_token(&p);
202			tok3 = get_token(&p);
203			tok4 = get_token(&p);
204			tok5 = get_token(&p);
205			tok6 = get_token(&p);
206			tok7 = get_token(&p);
207			tok8 = get_token(&p);
208
209			if (strcmp(tok1, "SYNC") == 0)
210			do_sync();
211	ossman_	1111	else if (strcmp(tok1, "STATE") == 0)
212	ossman_	1130	do_state((HWND) strtoul(tok2, NULL, 0), strtol(tok3, NULL, 0));
213	ossman_	1112	else if (strcmp(tok1, "POSITION") == 0)
214	ossman_	1130	do_position((HWND) strtoul(tok2, NULL, 0), strtol(tok3, NULL, 0),
215	ossman_	1112	strtol(tok4, NULL, 0), strtol(tok5, NULL, 0), strtol(tok6, NULL,
216			0));
217			else if (strcmp(tok1, "ZCHANGE") == 0)
218	ossman_	1130	do_zchange((HWND) strtoul(tok2, NULL, 0), (HWND) strtoul(tok3, NULL, 0));
219	ossman_	1153	else if (strcmp(tok1, "FOCUS") == 0)
220			do_focus((HWND) strtoul(tok2, NULL, 0));
221	ossman_	1074	}
222			}
223
224	ossman_	1147	static LRESULT CALLBACK
225			wndproc(HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam)
226			{
227			if (message == WM_WTSSESSION_CHANGE)
228			{
229			if (wparam == WTS_REMOTE_CONNECT)
230	ossman_	1150	{
231			/* These get reset on each reconnect */
232			SystemParametersInfo(SPI_SETDRAGFULLWINDOWS, TRUE, NULL, 0);
233			SystemParametersInfo(SPI_SETSCREENSAVEACTIVE, FALSE, NULL, 0);
234	ossman_	1147	vchannel_write("HELLO,0x%08x", 1);
235	ossman_	1150	}
236	ossman_	1147	}
237
238			return DefWindowProc(hwnd, message, wparam, lparam);
239			}
240
241			static BOOL
242			register_class(void)
243			{
244			WNDCLASSEX wcx;
245
246			memset(&wcx, 0, sizeof(wcx));
247
248			wcx.cbSize = sizeof(wcx);
249			wcx.lpfnWndProc = wndproc;
250			wcx.hInstance = g_instance;
251			wcx.lpszClassName = "SeamlessClass";
252
253			return RegisterClassEx(&wcx);
254			}
255
256			static BOOL
257			create_wnd(void)
258			{
259			if (!register_class())
260			return FALSE;
261
262			g_hwnd = CreateWindow("SeamlessClass",
263			"Seamless Window",
264			WS_OVERLAPPEDWINDOW,
265			CW_USEDEFAULT,
266			CW_USEDEFAULT,
267			CW_USEDEFAULT,
268			CW_USEDEFAULT, (HWND) NULL, (HMENU) NULL, g_instance, (LPVOID) NULL);
269
270			if (!g_hwnd)
271			return FALSE;
272
273			return TRUE;
274			}
275
276	ossman_	1071	int WINAPI
277			WinMain(HINSTANCE instance, HINSTANCE prev_instance, LPSTR cmdline, int cmdshow)
278	ossman_	1069	{
279	ossman_	1071	HMODULE hookdll;
280	ossman_	1069
281	ossman_	1071	set_hooks_proc_t set_hooks_fn;
282			remove_hooks_proc_t remove_hooks_fn;
283			get_instance_count_proc_t instance_count_fn;
284	ossman_	1069
285	ossman_	1071	g_instance = instance;
286	ossman_	1069
287	ossman_	1084	hookdll = LoadLibrary("seamlessrdp.dll");
288	ossman_	1071	if (!hookdll)
289			{
290			message("Could not load hook DLL. Unable to continue.");
291			return -1;
292			}
293	ossman_	1069
294	ossman_	1071	set_hooks_fn = (set_hooks_proc_t) GetProcAddress(hookdll, "SetHooks");
295			remove_hooks_fn = (remove_hooks_proc_t) GetProcAddress(hookdll, "RemoveHooks");
296			instance_count_fn = (get_instance_count_proc_t) GetProcAddress(hookdll, "GetInstanceCount");
297	ossman_	1145	g_move_window_fn = (move_window_proc_t) GetProcAddress(hookdll, "SafeMoveWindow");
298	ossman_	1069
299	ossman_	1145	if (!set_hooks_fn \|\| !remove_hooks_fn \|\| !instance_count_fn \|\| !g_move_window_fn)
300	ossman_	1071	{
301			FreeLibrary(hookdll);
302			message("Hook DLL doesn't contain the correct functions. Unable to continue.");
303			return -1;
304			}
305	ossman_	1069
306	ossman_	1071	/* Check if the DLL is already loaded */
307			if (instance_count_fn() != 1)
308			{
309			FreeLibrary(hookdll);
310			message("Another running instance of Seamless RDP detected.");
311			return -1;
312			}
313	ossman_	1069
314	ossman_	1147	if (!create_wnd())
315			{
316			FreeLibrary(hookdll);
317			message("Couldn't create a window to catch events.");
318			return -1;
319			}
320
321	ossman_	1153	g_wm_seamless_focus = RegisterWindowMessage(FOCUS_MSG_NAME);
322
323	ossman_	1147	WTSRegisterSessionNotification(g_hwnd, NOTIFY_FOR_THIS_SESSION);
324
325	ossman_	1074	vchannel_open();
326
327	ossman_	1147	vchannel_write("HELLO,0x%08x", 0);
328
329	ossman_	1071	set_hooks_fn();
330	ossman_	1069
331	ossman_	1077	/* Since we don't see the entire desktop we must resize windows
332			immediatly. */
333			SystemParametersInfo(SPI_SETDRAGFULLWINDOWS, TRUE, NULL, 0);
334
335	ossman_	1093	/* Disable screen saver since we cannot catch its windows. */
336			SystemParametersInfo(SPI_SETSCREENSAVEACTIVE, FALSE, NULL, 0);
337
338	ossman_	1071	if (strlen(cmdline) == 0)
339			{
340			message("No command line specified.");
341			return -1;
342			}
343			else
344			{
345			BOOL result;
346			DWORD exitcode;
347			PROCESS_INFORMATION proc_info;
348			STARTUPINFO startup_info;
349	ossman_	1147	MSG msg;
350	ossman_	1069
351	ossman_	1071	memset(&startup_info, 0, sizeof(STARTUPINFO));
352			startup_info.cb = sizeof(STARTUPINFO);
353	ossman_	1069
354	ossman_	1071	result = CreateProcess(NULL, cmdline, NULL, NULL, FALSE, 0,
355			NULL, NULL, &startup_info, &proc_info);
356	ossman_	1069
357	ossman_	1071	if (result)
358			{
359			do
360			{
361	ossman_	1147	while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
362			{
363			TranslateMessage(&msg);
364			DispatchMessage(&msg);
365			}
366	ossman_	1074	process_cmds();
367			Sleep(100);
368	ossman_	1071	GetExitCodeProcess(proc_info.hProcess, &exitcode);
369			}
370			while (exitcode == STILL_ACTIVE);
371	ossman_	1069
372	ossman_	1071	// Release handles
373			CloseHandle(proc_info.hProcess);
374			CloseHandle(proc_info.hThread);
375			}
376			else
377			{
378			// CreateProcess failed.
379			char msg[256];
380			_snprintf(msg, sizeof(msg),
381			"Unable to launch the requested application:\n%s", cmdline);
382			message(msg);
383			}
384			}
385	ossman_	1069
386	ossman_	1147	WTSUnRegisterSessionNotification(g_hwnd);
387
388	ossman_	1071	remove_hooks_fn();
389	ossman_	1069
390	ossman_	1071	FreeLibrary(hookdll);
391	ossman_	1069
392	ossman_	1074	vchannel_close();
393
394	ossman_	1071	return 1;
395	ossman_	1069	}