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"

#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);
typedef void (*zchange_proc_t) (HWND hwnd, HWND behind);
typedef void (*focus_proc_t) (HWND hwnd);

static move_window_proc_t g_move_window_fn = NULL;
static zchange_proc_t g_zchange_fn = NULL;
static focus_proc_t g_focus_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)
{
        g_zchange_fn(hwnd, behind);
}

static void
do_focus(HWND hwnd)
{
        g_focus_fn(hwnd);
}

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");
        g_zchange_fn = (zchange_proc_t) GetProcAddress(hookdll, "SafeZChange");
        g_focus_fn = (focus_proc_t) GetProcAddress(hookdll, "SafeFocus");

        if (!set_hooks_fn || !remove_hooks_fn || !instance_count_fn || !g_move_window_fn
            || !g_zchange_fn || !g_focus_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;
        }

        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_	1147	#ifndef WM_WTSSESSION_CHANGE
37			#define WM_WTSSESSION_CHANGE 0x02B1
38			#endif
39			#ifndef WTS_REMOTE_CONNECT
40			#define WTS_REMOTE_CONNECT 0x3
41			#endif
42
43	ossman_	1071	/* Global data */
44			static HINSTANCE g_instance;
45	ossman_	1147	static HWND g_hwnd;
46	ossman_	1069
47	ossman_	1071	typedef void (*set_hooks_proc_t) ();
48			typedef void (*remove_hooks_proc_t) ();
49			typedef int (*get_instance_count_proc_t) ();
50	ossman_	1069
51	ossman_	1145	typedef void (*move_window_proc_t) (HWND hwnd, int x, int y, int width, int height);
52	ossman_	1158	typedef void (*zchange_proc_t) (HWND hwnd, HWND behind);
53			typedef void (*focus_proc_t) (HWND hwnd);
54	ossman_	1145
55			static move_window_proc_t g_move_window_fn = NULL;
56	ossman_	1158	static zchange_proc_t g_zchange_fn = NULL;
57			static focus_proc_t g_focus_fn = NULL;
58	ossman_	1145
59	ossman_	1071	static void
60			message(const char *text)
61	ossman_	1069	{
62	ossman_	1071	MessageBox(GetDesktopWindow(), text, "SeamlessRDP Shell", MB_OK);
63	ossman_	1069	}
64
65	ossman_	1075	static char *
66			get_token(char **s)
67			{
68			char comma, head;
69			head = *s;
70
71			if (!head)
72			return NULL;
73
74			comma = strchr(head, ',');
75			if (comma)
76			{
77			*comma = '\0';
78			*s = comma + 1;
79			}
80			else
81			{
82			*s = NULL;
83			}
84
85			return head;
86			}
87
88	ossman_	1078	static BOOL CALLBACK
89			enum_cb(HWND hwnd, LPARAM lparam)
90	ossman_	1075	{
91			RECT rect;
92	ossman_	1135	unsigned short title[150];
93	ossman_	1075	LONG styles;
94			int state;
95	ossman_	1097	HWND parent;
96	ossman_	1075
97			styles = GetWindowLong(hwnd, GWL_STYLE);
98
99			if (!(styles & WS_VISIBLE))
100			return TRUE;
101
102	ossman_	1097	if (styles & WS_POPUP)
103			parent = (HWND) GetWindowLong(hwnd, GWL_HWNDPARENT);
104			else
105			parent = NULL;
106	ossman_	1075
107	ossman_	1097	vchannel_write("CREATE,0x%p,0x%p,0x%x", hwnd, parent, 0);
108
109	ossman_	1078	if (!GetWindowRect(hwnd, &rect))
110			{
111	ossman_	1075	debug("GetWindowRect failed!");
112			return TRUE;
113			}
114
115	astrand	1091	vchannel_write("POSITION,0x%p,%d,%d,%d,%d,0x%x",
116	ossman_	1075	hwnd,
117	ossman_	1078	rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, 0);
118	ossman_	1075
119	ossman_	1135	GetWindowTextW(hwnd, title, sizeof(title) / sizeof(*title));
120	ossman_	1075
121	ossman_	1135	vchannel_write("TITLE,0x%x,%s,0x%x", hwnd, vchannel_strfilter_unicode(title), 0);
122	ossman_	1075
123			if (styles & WS_MAXIMIZE)
124			state = 2;
125			else if (styles & WS_MINIMIZE)
126			state = 1;
127			else
128			state = 0;
129
130	ossman_	1096	vchannel_write("STATE,0x%p,0x%x,0x%x", hwnd, state, 0);
131	ossman_	1075
132			return TRUE;
133			}
134
135	ossman_	1074	static void
136	ossman_	1075	do_sync(void)
137			{
138			vchannel_block();
139
140			vchannel_write("SYNCBEGIN,0x0");
141
142			EnumWindows(enum_cb, 0);
143
144			vchannel_write("SYNCEND,0x0");
145
146			vchannel_unblock();
147			}
148
149			static void
150	ossman_	1111	do_state(HWND hwnd, int state)
151			{
152			if (state == 0)
153			ShowWindow(hwnd, SW_RESTORE);
154			else if (state == 1)
155			ShowWindow(hwnd, SW_MINIMIZE);
156			else if (state == 2)
157			ShowWindow(hwnd, SW_MAXIMIZE);
158			else
159			debug("Invalid state %d sent.", state);
160			}
161
162			static void
163	ossman_	1112	do_position(HWND hwnd, int x, int y, int width, int height)
164			{
165	ossman_	1145	g_move_window_fn(hwnd, x, y, width, height);
166	ossman_	1112	}
167
168			static void
169			do_zchange(HWND hwnd, HWND behind)
170			{
171	ossman_	1158	g_zchange_fn(hwnd, behind);
172	ossman_	1112	}
173
174			static void
175	ossman_	1153	do_focus(HWND hwnd)
176			{
177	ossman_	1158	g_focus_fn(hwnd);
178	ossman_	1153	}
179
180			static void
181	ossman_	1074	process_cmds(void)
182			{
183			char line[VCHANNEL_MAX_LINE];
184			int size;
185
186	ossman_	1075	char p, tok1, tok2, tok3, tok4, tok5, tok6, tok7, *tok8;
187
188	ossman_	1078	while ((size = vchannel_read(line, sizeof(line))) >= 0)
189			{
190	ossman_	1075	p = line;
191
192			tok1 = get_token(&p);
193			tok2 = get_token(&p);
194			tok3 = get_token(&p);
195			tok4 = get_token(&p);
196			tok5 = get_token(&p);
197			tok6 = get_token(&p);
198			tok7 = get_token(&p);
199			tok8 = get_token(&p);
200
201			if (strcmp(tok1, "SYNC") == 0)
202			do_sync();
203	ossman_	1111	else if (strcmp(tok1, "STATE") == 0)
204	ossman_	1130	do_state((HWND) strtoul(tok2, NULL, 0), strtol(tok3, NULL, 0));
205	ossman_	1112	else if (strcmp(tok1, "POSITION") == 0)
206	ossman_	1130	do_position((HWND) strtoul(tok2, NULL, 0), strtol(tok3, NULL, 0),
207	ossman_	1112	strtol(tok4, NULL, 0), strtol(tok5, NULL, 0), strtol(tok6, NULL,
208			0));
209			else if (strcmp(tok1, "ZCHANGE") == 0)
210	ossman_	1130	do_zchange((HWND) strtoul(tok2, NULL, 0), (HWND) strtoul(tok3, NULL, 0));
211	ossman_	1153	else if (strcmp(tok1, "FOCUS") == 0)
212			do_focus((HWND) strtoul(tok2, NULL, 0));
213	ossman_	1074	}
214			}
215
216	ossman_	1147	static LRESULT CALLBACK
217			wndproc(HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam)
218			{
219			if (message == WM_WTSSESSION_CHANGE)
220			{
221			if (wparam == WTS_REMOTE_CONNECT)
222	ossman_	1150	{
223			/* These get reset on each reconnect */
224			SystemParametersInfo(SPI_SETDRAGFULLWINDOWS, TRUE, NULL, 0);
225			SystemParametersInfo(SPI_SETSCREENSAVEACTIVE, FALSE, NULL, 0);
226	ossman_	1147	vchannel_write("HELLO,0x%08x", 1);
227	ossman_	1150	}
228	ossman_	1147	}
229
230			return DefWindowProc(hwnd, message, wparam, lparam);
231			}
232
233			static BOOL
234			register_class(void)
235			{
236			WNDCLASSEX wcx;
237
238			memset(&wcx, 0, sizeof(wcx));
239
240			wcx.cbSize = sizeof(wcx);
241			wcx.lpfnWndProc = wndproc;
242			wcx.hInstance = g_instance;
243			wcx.lpszClassName = "SeamlessClass";
244
245			return RegisterClassEx(&wcx);
246			}
247
248			static BOOL
249			create_wnd(void)
250			{
251			if (!register_class())
252			return FALSE;
253
254			g_hwnd = CreateWindow("SeamlessClass",
255			"Seamless Window",
256			WS_OVERLAPPEDWINDOW,
257			CW_USEDEFAULT,
258			CW_USEDEFAULT,
259			CW_USEDEFAULT,
260			CW_USEDEFAULT, (HWND) NULL, (HMENU) NULL, g_instance, (LPVOID) NULL);
261
262			if (!g_hwnd)
263			return FALSE;
264
265			return TRUE;
266			}
267
268	ossman_	1071	int WINAPI
269			WinMain(HINSTANCE instance, HINSTANCE prev_instance, LPSTR cmdline, int cmdshow)
270	ossman_	1069	{
271	ossman_	1071	HMODULE hookdll;
272	ossman_	1069
273	ossman_	1071	set_hooks_proc_t set_hooks_fn;
274			remove_hooks_proc_t remove_hooks_fn;
275			get_instance_count_proc_t instance_count_fn;
276	ossman_	1069
277	ossman_	1071	g_instance = instance;
278	ossman_	1069
279	ossman_	1084	hookdll = LoadLibrary("seamlessrdp.dll");
280	ossman_	1071	if (!hookdll)
281			{
282			message("Could not load hook DLL. Unable to continue.");
283			return -1;
284			}
285	ossman_	1069
286	ossman_	1071	set_hooks_fn = (set_hooks_proc_t) GetProcAddress(hookdll, "SetHooks");
287			remove_hooks_fn = (remove_hooks_proc_t) GetProcAddress(hookdll, "RemoveHooks");
288			instance_count_fn = (get_instance_count_proc_t) GetProcAddress(hookdll, "GetInstanceCount");
289	ossman_	1145	g_move_window_fn = (move_window_proc_t) GetProcAddress(hookdll, "SafeMoveWindow");
290	ossman_	1158	g_zchange_fn = (zchange_proc_t) GetProcAddress(hookdll, "SafeZChange");
291			g_focus_fn = (focus_proc_t) GetProcAddress(hookdll, "SafeFocus");
292	ossman_	1069
293	ossman_	1158	if (!set_hooks_fn \|\| !remove_hooks_fn \|\| !instance_count_fn \|\| !g_move_window_fn
294			\|\| !g_zchange_fn \|\| !g_focus_fn)
295	ossman_	1071	{
296			FreeLibrary(hookdll);
297			message("Hook DLL doesn't contain the correct functions. Unable to continue.");
298			return -1;
299			}
300	ossman_	1069
301	ossman_	1071	/* Check if the DLL is already loaded */
302			if (instance_count_fn() != 1)
303			{
304			FreeLibrary(hookdll);
305			message("Another running instance of Seamless RDP detected.");
306			return -1;
307			}
308	ossman_	1069
309	ossman_	1147	if (!create_wnd())
310			{
311			FreeLibrary(hookdll);
312			message("Couldn't create a window to catch events.");
313			return -1;
314			}
315
316			WTSRegisterSessionNotification(g_hwnd, NOTIFY_FOR_THIS_SESSION);
317
318	ossman_	1074	vchannel_open();
319
320	ossman_	1147	vchannel_write("HELLO,0x%08x", 0);
321
322	ossman_	1071	set_hooks_fn();
323	ossman_	1069
324	ossman_	1077	/* Since we don't see the entire desktop we must resize windows
325			immediatly. */
326			SystemParametersInfo(SPI_SETDRAGFULLWINDOWS, TRUE, NULL, 0);
327
328	ossman_	1093	/* Disable screen saver since we cannot catch its windows. */
329			SystemParametersInfo(SPI_SETSCREENSAVEACTIVE, FALSE, NULL, 0);
330
331	ossman_	1071	if (strlen(cmdline) == 0)
332			{
333			message("No command line specified.");
334			return -1;
335			}
336			else
337			{
338			BOOL result;
339			DWORD exitcode;
340			PROCESS_INFORMATION proc_info;
341			STARTUPINFO startup_info;
342	ossman_	1147	MSG msg;
343	ossman_	1069
344	ossman_	1071	memset(&startup_info, 0, sizeof(STARTUPINFO));
345			startup_info.cb = sizeof(STARTUPINFO);
346	ossman_	1069
347	ossman_	1071	result = CreateProcess(NULL, cmdline, NULL, NULL, FALSE, 0,
348			NULL, NULL, &startup_info, &proc_info);
349	ossman_	1069
350	ossman_	1071	if (result)
351			{
352			do
353			{
354	ossman_	1147	while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
355			{
356			TranslateMessage(&msg);
357			DispatchMessage(&msg);
358			}
359	ossman_	1074	process_cmds();
360			Sleep(100);
361	ossman_	1071	GetExitCodeProcess(proc_info.hProcess, &exitcode);
362			}
363			while (exitcode == STILL_ACTIVE);
364	ossman_	1069
365	ossman_	1071	// Release handles
366			CloseHandle(proc_info.hProcess);
367			CloseHandle(proc_info.hThread);
368			}
369			else
370			{
371			// CreateProcess failed.
372			char msg[256];
373			_snprintf(msg, sizeof(msg),
374			"Unable to launch the requested application:\n%s", cmdline);
375			message(msg);
376			}
377			}
378	ossman_	1069
379	ossman_	1147	WTSUnRegisterSessionNotification(g_hwnd);
380
381	ossman_	1071	remove_hooks_fn();
382	ossman_	1069
383	ossman_	1071	FreeLibrary(hookdll);
384	ossman_	1069
385	ossman_	1074	vchannel_close();
386
387	ossman_	1071	return 1;
388	ossman_	1069	}