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#include <windows.h> |
#include <windows.h> |
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#include <stdio.h> |
#include <stdio.h> |
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#include <wtsapi32.h> |
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#include <cchannel.h> |
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#include "vchannel.h" |
#include "vchannel.h" |
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#define APP_NAME "SeamlessRDP Shell" |
#define APP_NAME "SeamlessRDP Shell" |
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#ifndef WM_WTSSESSION_CHANGE |
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#define WM_WTSSESSION_CHANGE 0x02B1 |
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#endif |
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#ifndef WTS_REMOTE_CONNECT |
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#define WTS_REMOTE_CONNECT 0x3 |
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#endif |
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/* Global data */ |
/* Global data */ |
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static HINSTANCE g_instance; |
static HINSTANCE g_instance; |
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static HWND g_hwnd; |
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typedef void (*set_hooks_proc_t) (); |
typedef void (*set_hooks_proc_t) (); |
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typedef void (*remove_hooks_proc_t) (); |
typedef void (*remove_hooks_proc_t) (); |
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typedef int (*get_instance_count_proc_t) (); |
typedef int (*get_instance_count_proc_t) (); |
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typedef void (*move_window_proc_t) (HWND hwnd, int x, int y, int width, int height); |
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static move_window_proc_t g_move_window_fn = NULL; |
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static void |
static void |
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message(const char *text) |
message(const char *text) |
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{ |
{ |
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enum_cb(HWND hwnd, LPARAM lparam) |
enum_cb(HWND hwnd, LPARAM lparam) |
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{ |
{ |
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RECT rect; |
RECT rect; |
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char title[150]; |
unsigned short title[150]; |
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LONG styles; |
LONG styles; |
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int state; |
int state; |
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HWND parent; |
HWND parent; |
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hwnd, |
hwnd, |
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rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, 0); |
rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, 0); |
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GetWindowText(hwnd, title, sizeof(title)); |
GetWindowTextW(hwnd, title, sizeof(title) / sizeof(*title)); |
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/* FIXME: Strip title of dangerous characters */ |
vchannel_write("TITLE,0x%x,%s,0x%x", hwnd, vchannel_strfilter_unicode(title), 0); |
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vchannel_write("TITLE,0x%x,%s,0x%x", hwnd, title, 0); |
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if (styles & WS_MAXIMIZE) |
if (styles & WS_MAXIMIZE) |
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state = 2; |
state = 2; |
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} |
} |
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static void |
static void |
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do_position(HWND hwnd, int x, int y, int width, int height) |
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{ |
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g_move_window_fn(hwnd, x, y, width, height); |
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} |
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static void |
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do_zchange(HWND hwnd, HWND behind) |
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{ |
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if (behind == NULL) |
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behind = HWND_TOP; |
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SetWindowPos(hwnd, behind, 0, 0, 0, 0, SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE); |
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} |
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static void |
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process_cmds(void) |
process_cmds(void) |
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{ |
{ |
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char line[VCHANNEL_MAX_LINE]; |
char line[VCHANNEL_MAX_LINE]; |
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while ((size = vchannel_read(line, sizeof(line))) >= 0) |
while ((size = vchannel_read(line, sizeof(line))) >= 0) |
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{ |
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debug("Got: %s", line); |
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p = line; |
p = line; |
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tok1 = get_token(&p); |
tok1 = get_token(&p); |
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if (strcmp(tok1, "SYNC") == 0) |
if (strcmp(tok1, "SYNC") == 0) |
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do_sync(); |
do_sync(); |
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else if (strcmp(tok1, "STATE") == 0) |
else if (strcmp(tok1, "STATE") == 0) |
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do_state((HWND) strtol(tok2, NULL, 0), strtol(tok3, NULL, 0)); |
do_state((HWND) strtoul(tok2, NULL, 0), strtol(tok3, NULL, 0)); |
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else if (strcmp(tok1, "POSITION") == 0) |
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do_position((HWND) strtoul(tok2, NULL, 0), strtol(tok3, NULL, 0), |
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strtol(tok4, NULL, 0), strtol(tok5, NULL, 0), strtol(tok6, NULL, |
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0)); |
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else if (strcmp(tok1, "ZCHANGE") == 0) |
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do_zchange((HWND) strtoul(tok2, NULL, 0), (HWND) strtoul(tok3, NULL, 0)); |
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} |
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} |
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static LRESULT CALLBACK |
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wndproc(HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam) |
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{ |
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if (message == WM_WTSSESSION_CHANGE) |
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{ |
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if (wparam == WTS_REMOTE_CONNECT) |
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vchannel_write("HELLO,0x%08x", 1); |
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} |
} |
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return DefWindowProc(hwnd, message, wparam, lparam); |
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} |
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static BOOL |
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register_class(void) |
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{ |
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WNDCLASSEX wcx; |
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memset(&wcx, 0, sizeof(wcx)); |
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wcx.cbSize = sizeof(wcx); |
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wcx.lpfnWndProc = wndproc; |
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wcx.hInstance = g_instance; |
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wcx.lpszClassName = "SeamlessClass"; |
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return RegisterClassEx(&wcx); |
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} |
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static BOOL |
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create_wnd(void) |
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{ |
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if (!register_class()) |
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return FALSE; |
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g_hwnd = CreateWindow("SeamlessClass", |
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"Seamless Window", |
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WS_OVERLAPPEDWINDOW, |
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CW_USEDEFAULT, |
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CW_USEDEFAULT, |
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CW_USEDEFAULT, |
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CW_USEDEFAULT, (HWND) NULL, (HMENU) NULL, g_instance, (LPVOID) NULL); |
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if (!g_hwnd) |
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return FALSE; |
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return TRUE; |
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} |
} |
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int WINAPI |
int WINAPI |
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set_hooks_fn = (set_hooks_proc_t) GetProcAddress(hookdll, "SetHooks"); |
set_hooks_fn = (set_hooks_proc_t) GetProcAddress(hookdll, "SetHooks"); |
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remove_hooks_fn = (remove_hooks_proc_t) GetProcAddress(hookdll, "RemoveHooks"); |
remove_hooks_fn = (remove_hooks_proc_t) GetProcAddress(hookdll, "RemoveHooks"); |
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instance_count_fn = (get_instance_count_proc_t) GetProcAddress(hookdll, "GetInstanceCount"); |
instance_count_fn = (get_instance_count_proc_t) GetProcAddress(hookdll, "GetInstanceCount"); |
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g_move_window_fn = (move_window_proc_t) GetProcAddress(hookdll, "SafeMoveWindow"); |
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if (!set_hooks_fn || !remove_hooks_fn || !instance_count_fn) |
if (!set_hooks_fn || !remove_hooks_fn || !instance_count_fn || !g_move_window_fn) |
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{ |
{ |
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FreeLibrary(hookdll); |
FreeLibrary(hookdll); |
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message("Hook DLL doesn't contain the correct functions. Unable to continue."); |
message("Hook DLL doesn't contain the correct functions. Unable to continue."); |
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return -1; |
return -1; |
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} |
} |
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if (!create_wnd()) |
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{ |
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FreeLibrary(hookdll); |
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message("Couldn't create a window to catch events."); |
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return -1; |
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} |
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WTSRegisterSessionNotification(g_hwnd, NOTIFY_FOR_THIS_SESSION); |
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vchannel_open(); |
vchannel_open(); |
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vchannel_write("HELLO,0x%08x", 0); |
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set_hooks_fn(); |
set_hooks_fn(); |
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/* Since we don't see the entire desktop we must resize windows |
/* Since we don't see the entire desktop we must resize windows |
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DWORD exitcode; |
DWORD exitcode; |
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PROCESS_INFORMATION proc_info; |
PROCESS_INFORMATION proc_info; |
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STARTUPINFO startup_info; |
STARTUPINFO startup_info; |
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MSG msg; |
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memset(&startup_info, 0, sizeof(STARTUPINFO)); |
memset(&startup_info, 0, sizeof(STARTUPINFO)); |
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startup_info.cb = sizeof(STARTUPINFO); |
startup_info.cb = sizeof(STARTUPINFO); |
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{ |
{ |
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do |
do |
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{ |
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while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE)) |
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{ |
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TranslateMessage(&msg); |
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DispatchMessage(&msg); |
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} |
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process_cmds(); |
process_cmds(); |
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Sleep(100); |
Sleep(100); |
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GetExitCodeProcess(proc_info.hProcess, &exitcode); |
GetExitCodeProcess(proc_info.hProcess, &exitcode); |
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} |
} |
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} |
} |
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WTSUnRegisterSessionNotification(g_hwnd); |
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remove_hooks_fn(); |
remove_hooks_fn(); |
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FreeLibrary(hookdll); |
FreeLibrary(hookdll); |