702 lines
20 KiB
C
702 lines
20 KiB
C
/**
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* xrdp: A Remote Desktop Protocol server.
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*
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* Copyright (C) Jay Sorg 2012
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*
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window manager info
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http://www.freedesktop.org/wiki/Specifications/wm-spec
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*/
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#include <X11/Xlib.h>
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#include "chansrv.h"
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#include "rail.h"
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#include "xcommon.h"
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#include "log.h"
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#include "os_calls.h"
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#include "thread_calls.h"
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extern int g_rail_chan_id; /* in chansrv.c */
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extern int g_display_num; /* in chansrv.c */
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extern char *g_exec_name; /* in chansrv.c */
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extern tbus g_exec_event; /* in chansrv.c */
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extern tbus g_exec_mutex; /* in chansrv.c */
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extern tbus g_exec_sem; /* in chansrv.c */
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extern Display *g_display; /* in xcommon.c */
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extern Screen *g_screen; /* in xcommon.c */
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extern Window g_root_window; /* in xcommon.c */
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extern Atom g_wm_delete_window_atom; /* in xcommon.c */
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extern Atom g_wm_protocols_atom; /* in xcommon.c */
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int g_rail_up = 0;
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/* for rail_is_another_wm_running */
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static int g_rail_running = 1;
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/* Indicates a Client Execute PDU from client to server. */
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#define TS_RAIL_ORDER_EXEC 0x0001
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/* Indicates a Client Activate PDU from client to server. */
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#define TS_RAIL_ORDER_ACTIVATE 0x0002
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/* Indicates a Client System Parameters Update PDU from client
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to server or a Server System Parameters Update PDU
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from server to client. */
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#define TS_RAIL_ORDER_SYSPARAM 0x0003
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/* Indicates a Client System Command PDU from client to server. */
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#define TS_RAIL_ORDER_SYSCOMMAND 0x0004
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/* Indicates a bi-directional Handshake PDU. */
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#define TS_RAIL_ORDER_HANDSHAKE 0x0005
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/* Indicates a Client Notify Event PDU from client to server. */
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#define TS_RAIL_ORDER_NOTIFY_EVENT 0x0006
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/* Indicates a Client Window Move PDU from client to server. */
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#define TS_RAIL_ORDER_WINDOWMOVE 0x0008
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/* Indicates a Server Move/Size Start PDU and a Server Move/Size
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End PDU from server to client. */
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#define TS_RAIL_ORDER_LOCALMOVESIZE 0x0009
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/* Indicates a Server Min Max Info PDU from server to client. */
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#define TS_RAIL_ORDER_MINMAXINFO 0x000a
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/* Indicates a Client Information PDU from client to server. */
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#define TS_RAIL_ORDER_CLIENTSTATUS 0x000b
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/* Indicates a Client System Menu PDU from client to server. */
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#define TS_RAIL_ORDER_SYSMENU 0x000c
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/* Indicates a Server Language Bar Information PDU from server to
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client, or a Client Language Bar Information PDU from client to server. */
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#define TS_RAIL_ORDER_LANGBARINFO 0x000d
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/* Indicates a Server Execute Result PDU from server to client. */
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#define TS_RAIL_ORDER_EXEC_RESULT 0x0080
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/* Indicates a Client Get Application ID PDU from client to server. */
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#define TS_RAIL_ORDER_GET_APPID_REQ 0x000E
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/* Indicates a Server Get Application ID Response PDU from
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server to client. */
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#define TS_RAIL_ORDER_GET_APPID_RESP 0x000F
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/* Resize the window. */
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#define SC_SIZE 0xF000
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/* Move the window. */
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#define SC_MOVE 0xF010
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/* Minimize the window. */
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#define SC_MINIMIZE 0xF020
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/* Maximize the window. */
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#define SC_MAXIMIZE 0xF030
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/* Close the window. */
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#define SC_CLOSE 0xF060
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/* The ALT + SPACE key combination was pressed; display
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the window's system menu. */
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#define SC_KEYMENU 0xF100
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/* Restore the window to its original shape and size. */
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#define SC_RESTORE 0xF120
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/* Perform the default action of the window's system menu. */
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#define SC_DEFAULT 0xF160
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/******************************************************************************/
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static int APP_CC
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is_window_valid_child_of_root(unsigned int window_id)
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{
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int found;
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unsigned int i;
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unsigned int nchild;
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Window r;
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Window p;
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Window *children;
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found = 0;
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XQueryTree(g_display, g_root_window, &r, &p, &children, &nchild);
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for (i = 0; i < nchild; i++)
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{
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if (window_id == children[i])
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{
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found = 1;
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break;
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}
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}
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XFree(children);
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return found;
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}
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/*****************************************************************************/
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static int APP_CC
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rail_send_init(void)
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{
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struct stream *s;
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int bytes;
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char *size_ptr;
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LOG(10, ("chansrv::rail_send_init:"));
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make_stream(s);
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init_stream(s, 8182);
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out_uint16_le(s, TS_RAIL_ORDER_HANDSHAKE);
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size_ptr = s->p;
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out_uint16_le(s, 0); /* size, set later */
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out_uint32_le(s, 1); /* build number */
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s_mark_end(s);
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bytes = (int)((s->end - s->data) - 4);
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size_ptr[0] = bytes;
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size_ptr[1] = bytes >> 8;
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bytes = (int)(s->end - s->data);
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send_channel_data(g_rail_chan_id, s->data, bytes);
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free_stream(s);
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return 0;
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}
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/******************************************************************************/
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static int DEFAULT_CC
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anotherWMRunning(Display *display, XErrorEvent *xe)
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{
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g_rail_running = 0;
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return -1;
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}
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/******************************************************************************/
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static int APP_CC
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rail_is_another_wm_running(void)
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{
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XErrorHandler old;
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g_rail_running = 1;
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old = XSetErrorHandler((XErrorHandler)anotherWMRunning);
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XSelectInput(g_display, g_root_window,
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PropertyChangeMask | StructureNotifyMask |
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SubstructureRedirectMask | ButtonPressMask |
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SubstructureNotifyMask | FocusChangeMask |
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EnterWindowMask | LeaveWindowMask);
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XSync(g_display, 0);
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XSetErrorHandler((XErrorHandler)old);
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g_rail_up = g_rail_running;
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if (!g_rail_up)
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{
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return 1;
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}
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return 0;
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}
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/*****************************************************************************/
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int APP_CC
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rail_init(void)
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{
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LOG(10, ("chansrv::rail_init:"));
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xcommon_init();
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if (rail_is_another_wm_running())
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{
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log_message(LOG_LEVEL_ERROR, "rail_init: another window manager "
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"is running");
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}
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rail_send_init();
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g_rail_up = 1;
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return 0;
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}
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/*****************************************************************************/
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int APP_CC
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rail_deinit(void)
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{
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if (g_rail_up)
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{
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/* no longer window manager */
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XSelectInput(g_display, g_root_window, 0);
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g_rail_up = 0;
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}
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return 0;
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}
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/*****************************************************************************/
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static char *APP_CC
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read_uni(struct stream *s, int num_chars)
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{
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twchar *rchrs;
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char *rv;
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int index;
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int lchars;
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rchrs = 0;
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rv = 0;
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if (num_chars > 0)
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{
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rchrs = (twchar *)g_malloc((num_chars + 1) * sizeof(twchar), 0);
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for (index = 0; index < num_chars; index++)
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{
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in_uint16_le(s, rchrs[index]);
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}
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rchrs[num_chars] = 0;
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lchars = g_wcstombs(0, rchrs, 0);
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if (lchars > 0)
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{
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rv = (char *)g_malloc((lchars + 1) * 4, 0);
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g_wcstombs(rv, rchrs, lchars);
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rv[lchars] = 0;
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}
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}
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g_free(rchrs);
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return rv;
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}
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/*****************************************************************************/
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static int APP_CC
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rail_process_exec(struct stream *s, int size)
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{
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int pid;
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int flags;
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int ExeOrFileLength;
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int WorkingDirLength;
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int ArgumentsLen;
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char *ExeOrFile;
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char *WorkingDir;
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char *Arguments;
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LOG(0, ("chansrv::rail_process_exec:"));
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in_uint16_le(s, flags);
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in_uint16_le(s, ExeOrFileLength);
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in_uint16_le(s, WorkingDirLength);
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in_uint16_le(s, ArgumentsLen);
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ExeOrFile = read_uni(s, ExeOrFileLength);
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WorkingDir = read_uni(s, WorkingDirLength);
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Arguments = read_uni(s, ArgumentsLen);
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LOG(10, (" flags 0x%8.8x ExeOrFileLength %d WorkingDirLength %d "
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"ArgumentsLen %d ExeOrFile [%s] WorkingDir [%s] "
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"Arguments [%s]", flags, ExeOrFileLength, WorkingDirLength,
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ArgumentsLen, ExeOrFile, WorkingDir, Arguments));
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if (g_strlen(ExeOrFile) > 0)
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{
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LOG(10, ("rail_process_exec: pre"));
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/* ask main thread to fork */
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tc_mutex_lock(g_exec_mutex);
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g_exec_name = ExeOrFile;
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g_set_wait_obj(g_exec_event);
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tc_sem_dec(g_exec_sem);
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tc_mutex_unlock(g_exec_mutex);
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LOG(10, ("rail_process_exec: post"));
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}
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g_free(ExeOrFile);
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g_free(WorkingDir);
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g_free(Arguments);
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return 0;
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}
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/*****************************************************************************/
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static int APP_CC
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rail_process_activate(struct stream *s, int size)
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{
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int window_id;
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int enabled;
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LOG(10, ("chansrv::rail_process_activate:"));
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in_uint32_le(s, window_id);
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in_uint8(s, enabled);
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LOG(10, (" window_id 0x%8.8x enabled %d", window_id, enabled));
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if (enabled)
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{
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LOG(10, ("chansrv::rail_process_activate: calling XRaiseWindow 0x%8.8x", window_id));
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XRaiseWindow(g_display, window_id);
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LOG(10, ("chansrv::rail_process_activate: calling XSetInputFocus 0x%8.8x", window_id));
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XSetInputFocus(g_display, window_id, RevertToParent, CurrentTime);
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}
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return 0;
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}
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/*****************************************************************************/
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static int APP_CC
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rail_process_system_param(struct stream *s, int size)
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{
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int system_param;
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LOG(10, ("chansrv::rail_process_system_param:"));
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in_uint32_le(s, system_param);
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LOG(10, (" system_param 0x%8.8x", system_param));
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return 0;
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}
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/******************************************************************************/
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static int APP_CC
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rail_close_window(int window_id)
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{
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XEvent ce;
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LOG(0, ("chansrv::rail_close_window:"));
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g_memset(&ce, 0, sizeof(ce));
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ce.xclient.type = ClientMessage;
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ce.xclient.message_type = g_wm_protocols_atom;
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ce.xclient.display = g_display;
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ce.xclient.window = window_id;
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ce.xclient.format = 32;
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ce.xclient.data.l[0] = g_wm_delete_window_atom;
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ce.xclient.data.l[1] = CurrentTime;
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XSendEvent(g_display, window_id, False, NoEventMask, &ce);
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return 0;
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}
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/*****************************************************************************/
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static int APP_CC
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rail_process_system_command(struct stream *s, int size)
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{
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int window_id;
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int command;
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LOG(10, ("chansrv::rail_process_system_command:"));
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in_uint32_le(s, window_id);
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in_uint16_le(s, command);
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switch (command)
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{
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case SC_SIZE:
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LOG(10, (" window_id 0x%8.8x SC_SIZE", window_id));
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break;
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case SC_MOVE:
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LOG(10, (" window_id 0x%8.8x SC_MOVE", window_id));
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break;
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case SC_MINIMIZE:
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LOG(10, (" window_id 0x%8.8x SC_MINIMIZE", window_id));
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break;
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case SC_MAXIMIZE:
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LOG(10, (" window_id 0x%8.8x SC_MAXIMIZE", window_id));
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break;
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case SC_CLOSE:
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LOG(10, (" window_id 0x%8.8x SC_CLOSE", window_id));
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rail_close_window(window_id);
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break;
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case SC_KEYMENU:
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LOG(10, (" window_id 0x%8.8x SC_KEYMENU", window_id));
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break;
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case SC_RESTORE:
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LOG(10, (" window_id 0x%8.8x SC_RESTORE", window_id));
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break;
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case SC_DEFAULT:
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LOG(10, (" window_id 0x%8.8x SC_DEFAULT", window_id));
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break;
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default:
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LOG(10, (" window_id 0x%8.8x unknown command command %d",
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window_id, command));
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break;
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}
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return 0;
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}
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/*****************************************************************************/
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static int APP_CC
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rail_process_handshake(struct stream *s, int size)
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{
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int build_number;
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LOG(10, ("chansrv::rail_process_handshake:"));
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in_uint32_le(s, build_number);
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LOG(10, (" build_number 0x%8.8x", build_number));
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return 0;
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}
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/*****************************************************************************/
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static int APP_CC
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rail_process_notify_event(struct stream *s, int size)
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{
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int window_id;
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int notify_id;
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int message;
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LOG(10, ("chansrv::rail_process_notify_event:"));
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in_uint32_le(s, window_id);
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in_uint32_le(s, notify_id);
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in_uint32_le(s, message);
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LOG(10, (" window_id 0x%8.8x notify_id 0x%8.8x message 0x%8.8x",
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window_id, notify_id, message));
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return 0;
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}
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/*****************************************************************************/
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static int APP_CC
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rail_process_window_move(struct stream *s, int size)
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{
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int window_id;
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int left;
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int top;
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int right;
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int bottom;
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LOG(10, ("chansrv::rail_process_window_move:"));
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in_uint32_le(s, window_id);
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in_uint16_le(s, left);
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in_uint16_le(s, top);
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in_uint16_le(s, right);
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in_uint16_le(s, bottom);
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LOG(10, (" window_id 0x%8.8x left %d top %d right %d bottom %d width %d height %d",
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window_id, left, top, right, bottom, right - left, bottom - top));
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XMoveResizeWindow(g_display, window_id, left, top, right - left, bottom - top);
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return 0;
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}
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/*****************************************************************************/
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static int APP_CC
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rail_process_local_move_size(struct stream *s, int size)
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{
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int window_id;
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int is_move_size_start;
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int move_size_type;
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int pos_x;
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int pos_y;
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LOG(10, ("chansrv::rail_process_local_move_size:"));
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in_uint32_le(s, window_id);
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in_uint16_le(s, is_move_size_start);
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in_uint16_le(s, move_size_type);
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in_uint16_le(s, pos_x);
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in_uint16_le(s, pos_y);
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LOG(10, (" window_id 0x%8.8x is_move_size_start %d move_size_type %d "
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"pos_x %d pos_y %d", window_id, is_move_size_start, move_size_type,
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pos_x, pos_y));
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return 0;
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}
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/*****************************************************************************/
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/* server to client only */
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static int APP_CC
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rail_process_min_max_info(struct stream *s, int size)
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{
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LOG(10, ("chansrv::rail_process_min_max_info:"));
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return 0;
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}
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/*****************************************************************************/
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static int APP_CC
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rail_process_client_status(struct stream *s, int size)
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{
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int flags;
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LOG(10, ("chansrv::rail_process_client_status:"));
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in_uint32_le(s, flags);
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LOG(10, (" flags 0x%8.8x", flags));
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return 0;
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}
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/*****************************************************************************/
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static int APP_CC
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rail_process_sys_menu(struct stream *s, int size)
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{
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int window_id;
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int left;
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int top;
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LOG(10, ("chansrv::rail_process_sys_menu:"));
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in_uint32_le(s, window_id);
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in_uint16_le(s, left);
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in_uint16_le(s, top);
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LOG(10, (" window_id 0x%8.8x left %d top %d", window_id, left, top));
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return 0;
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}
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/*****************************************************************************/
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static int APP_CC
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rail_process_lang_bar_info(struct stream *s, int size)
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{
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int language_bar_status;
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LOG(10, ("chansrv::rail_process_lang_bar_info:"));
|
|
in_uint32_le(s, language_bar_status);
|
|
LOG(10, (" language_bar_status 0x%8.8x", language_bar_status));
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
static int APP_CC
|
|
rail_process_appid_req(struct stream *s, int size)
|
|
{
|
|
LOG(10, ("chansrv::rail_process_appid_req:"));
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
static int APP_CC
|
|
rail_process_appid_resp(struct stream *s, int size)
|
|
{
|
|
LOG(10, ("chansrv::rail_process_appid_resp:"));
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* server to client only */
|
|
static int APP_CC
|
|
rail_process_exec_result(struct stream *s, int size)
|
|
{
|
|
LOG(10, ("chansrv::rail_process_exec_result:"));
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* data in from client ( client -> xrdp -> chansrv ) */
|
|
int APP_CC
|
|
rail_data_in(struct stream *s, int chan_id, int chan_flags, int length,
|
|
int total_length)
|
|
{
|
|
int code;
|
|
int size;
|
|
|
|
LOG(10, ("chansrv::rail_data_in:"));
|
|
in_uint8(s, code);
|
|
in_uint8s(s, 1);
|
|
in_uint16_le(s, size);
|
|
|
|
switch (code)
|
|
{
|
|
case TS_RAIL_ORDER_EXEC: /* 1 */
|
|
rail_process_exec(s, size);
|
|
break;
|
|
case TS_RAIL_ORDER_ACTIVATE: /* 2 */
|
|
rail_process_activate(s, size);
|
|
break;
|
|
case TS_RAIL_ORDER_SYSPARAM: /* 3 */
|
|
rail_process_system_param(s, size);
|
|
break;
|
|
case TS_RAIL_ORDER_SYSCOMMAND: /* 4 */
|
|
rail_process_system_command(s, size);
|
|
break;
|
|
case TS_RAIL_ORDER_HANDSHAKE: /* 5 */
|
|
rail_process_handshake(s, size);
|
|
break;
|
|
case TS_RAIL_ORDER_NOTIFY_EVENT: /* 6 */
|
|
rail_process_notify_event(s, size);
|
|
break;
|
|
case TS_RAIL_ORDER_WINDOWMOVE: /* 8 */
|
|
rail_process_window_move(s, size);
|
|
break;
|
|
case TS_RAIL_ORDER_LOCALMOVESIZE: /* 9 */
|
|
rail_process_local_move_size(s, size);
|
|
break;
|
|
case TS_RAIL_ORDER_MINMAXINFO: /* 10 */
|
|
rail_process_min_max_info(s, size);
|
|
break;
|
|
case TS_RAIL_ORDER_CLIENTSTATUS: /* 11 */
|
|
rail_process_client_status(s, size);
|
|
break;
|
|
case TS_RAIL_ORDER_SYSMENU: /* 12 */
|
|
rail_process_sys_menu(s, size);
|
|
break;
|
|
case TS_RAIL_ORDER_LANGBARINFO: /* 13 */
|
|
rail_process_lang_bar_info(s, size);
|
|
break;
|
|
case TS_RAIL_ORDER_GET_APPID_REQ: /* 14 */
|
|
rail_process_appid_req(s, size);
|
|
break;
|
|
case TS_RAIL_ORDER_GET_APPID_RESP: /* 15 */
|
|
rail_process_appid_resp(s, size);
|
|
break;
|
|
case TS_RAIL_ORDER_EXEC_RESULT: /* 128 */
|
|
rail_process_exec_result(s, size);
|
|
break;
|
|
default:
|
|
LOG(10, ("rail_data_in: unknown code %d size %d", code, size));
|
|
break;
|
|
}
|
|
|
|
XFlush(g_display);
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* returns 0, event handled, 1 unhandled */
|
|
int APP_CC
|
|
rail_xevent(void *xevent)
|
|
{
|
|
XEvent *lxevent;
|
|
XWindowChanges xwc;
|
|
int rv;
|
|
int nchildren_return = 0;
|
|
Window root_return;
|
|
Window parent_return;
|
|
Window *children_return;
|
|
Window wreturn;
|
|
int revert_to;
|
|
XWindowAttributes wnd_attributes;
|
|
|
|
LOG(10, ("chansrv::rail_xevent:"));
|
|
|
|
if (!g_rail_up)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
rv = 1;
|
|
lxevent = (XEvent *)xevent;
|
|
|
|
switch (lxevent->type)
|
|
{
|
|
case ConfigureRequest:
|
|
LOG(10, (" got ConfigureRequest window_id 0x%8.8x", lxevent->xconfigurerequest.window));
|
|
g_memset(&xwc, 0, sizeof(xwc));
|
|
xwc.x = lxevent->xconfigurerequest.x;
|
|
xwc.y = lxevent->xconfigurerequest.y;
|
|
xwc.width = lxevent->xconfigurerequest.width;
|
|
xwc.height = lxevent->xconfigurerequest.height;
|
|
xwc.border_width = lxevent->xconfigurerequest.border_width;
|
|
xwc.sibling = lxevent->xconfigurerequest.above;
|
|
xwc.stack_mode = lxevent->xconfigurerequest.detail;
|
|
XConfigureWindow(g_display,
|
|
lxevent->xconfigurerequest.window,
|
|
lxevent->xconfigurerequest.value_mask,
|
|
&xwc);
|
|
rv = 0;
|
|
break;
|
|
|
|
case MapRequest:
|
|
LOG(10, (" got MapRequest"));
|
|
XMapWindow(g_display, lxevent->xmaprequest.window);
|
|
rv = 0;
|
|
break;
|
|
|
|
case MapNotify:
|
|
LOG(10, (" got MapNotify"));
|
|
break;
|
|
|
|
case UnmapNotify:
|
|
LOG(10, (" got UnmapNotify"));
|
|
break;
|
|
|
|
case ConfigureNotify:
|
|
LOG(10, (" got ConfigureNotify"));
|
|
break;
|
|
|
|
case FocusIn:
|
|
LOG(10, (" got FocusIn"));
|
|
break;
|
|
|
|
case ButtonPress:
|
|
LOG(10, (" got ButtonPress"));
|
|
break;
|
|
|
|
case EnterNotify:
|
|
LOG(10, (" got EnterNotify"));
|
|
break;
|
|
|
|
case LeaveNotify:
|
|
LOG(10, (" got LeaveNotify"));
|
|
break;
|
|
|
|
}
|
|
|
|
return rv;
|
|
}
|