/** * xrdp: A Remote Desktop Protocol server. * * Copyright (C) Jay Sorg 2012 * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /* window manager info http://www.freedesktop.org/wiki/Specifications/wm-spec rail [MS-RDPERP]: Remote Desktop Protocol: Remote Programs Virtual Channel Extension http://msdn.microsoft.com/en-us/library/cc242568(v=prot.20).aspx */ #include #include #include "chansrv.h" #include "rail.h" #include "xcommon.h" #include "log.h" #include "os_calls.h" #include "thread_calls.h" #include "list.h" extern int g_rail_chan_id; /* in chansrv.c */ extern int g_display_num; /* in chansrv.c */ extern char *g_exec_name; /* in chansrv.c */ extern tbus g_exec_event; /* in chansrv.c */ extern tbus g_exec_mutex; /* in chansrv.c */ extern tbus g_exec_sem; /* in chansrv.c */ extern Display *g_display; /* in xcommon.c */ extern Screen *g_screen; /* in xcommon.c */ extern Window g_root_window; /* in xcommon.c */ extern Atom g_wm_delete_window_atom; /* in xcommon.c */ extern Atom g_wm_protocols_atom; /* in xcommon.c */ extern Atom g_utf8_string; /* in xcommon.c */ extern Atom g_net_wm_name; /* in xcommon.c */ extern Atom g_wm_state; /* in xcommon.c */ static Atom g_rwd_atom = 0; int g_rail_up = 0; /* for rail_is_another_wm_running */ static int g_rail_running = 1; /* list of valid rail windows */ static struct list* g_window_list = 0; /* used in valid field of struct rail_window_data */ #define RWD_X (1 << 0) #define RWD_Y (1 << 1) #define RWD_WIDTH (1 << 2) #define RWD_HEIGHT (1 << 3) #define RWD_TITLE (1 << 4) struct rail_window_data { int valid; /* bits for which fields are valid */ int x; int y; int width; int height; char title[64]; /* first 64 bytes of title for compare */ }; /* Indicates a Client Execute PDU from client to server. */ #define TS_RAIL_ORDER_EXEC 0x0001 /* Indicates a Client Activate PDU from client to server. */ #define TS_RAIL_ORDER_ACTIVATE 0x0002 /* Indicates a Client System Parameters Update PDU from client to server or a Server System Parameters Update PDU from server to client. */ #define TS_RAIL_ORDER_SYSPARAM 0x0003 /* Indicates a Client System Command PDU from client to server. */ #define TS_RAIL_ORDER_SYSCOMMAND 0x0004 /* Indicates a bi-directional Handshake PDU. */ #define TS_RAIL_ORDER_HANDSHAKE 0x0005 /* Indicates a Client Notify Event PDU from client to server. */ #define TS_RAIL_ORDER_NOTIFY_EVENT 0x0006 /* Indicates a Client Window Move PDU from client to server. */ #define TS_RAIL_ORDER_WINDOWMOVE 0x0008 /* Indicates a Server Move/Size Start PDU and a Server Move/Size End PDU from server to client. */ #define TS_RAIL_ORDER_LOCALMOVESIZE 0x0009 /* Indicates a Server Min Max Info PDU from server to client. */ #define TS_RAIL_ORDER_MINMAXINFO 0x000a /* Indicates a Client Information PDU from client to server. */ #define TS_RAIL_ORDER_CLIENTSTATUS 0x000b /* Indicates a Client System Menu PDU from client to server. */ #define TS_RAIL_ORDER_SYSMENU 0x000c /* Indicates a Server Language Bar Information PDU from server to client, or a Client Language Bar Information PDU from client to server. */ #define TS_RAIL_ORDER_LANGBARINFO 0x000d /* Indicates a Server Execute Result PDU from server to client. */ #define TS_RAIL_ORDER_EXEC_RESULT 0x0080 /* Indicates a Client Get Application ID PDU from client to server. */ #define TS_RAIL_ORDER_GET_APPID_REQ 0x000E /* Indicates a Server Get Application ID Response PDU from server to client. */ #define TS_RAIL_ORDER_GET_APPID_RESP 0x000F /* Resize the window. */ #define SC_SIZE 0xF000 /* Move the window. */ #define SC_MOVE 0xF010 /* Minimize the window. */ #define SC_MINIMIZE 0xF020 /* Maximize the window. */ #define SC_MAXIMIZE 0xF030 /* Close the window. */ #define SC_CLOSE 0xF060 /* The ALT + SPACE key combination was pressed; display the window's system menu. */ #define SC_KEYMENU 0xF100 /* Restore the window to its original shape and size. */ #define SC_RESTORE 0xF120 /* Perform the default action of the window's system menu. */ #define SC_DEFAULT 0xF160 /* for tooltips */ #define RAIL_STYLE_TOOLTIP (0x80000000) #define RAIL_EXT_STYLE_TOOLTIP (0x00000080 | 0x00000008) /* for normal desktop windows */ #define RAIL_STYLE_NORMAL (0x00C00000 | 0x00080000 | 0x00040000 | 0x00010000 | 0x00020000) #define RAIL_EXT_STYLE_NORMAL (0x00040000) /* for dialogs */ #define RAIL_STYLE_DIALOG (0x80000000) #define RAIL_EXT_STYLE_DIALOG (0x00040000) static int APP_CC rail_win_get_state(Window win); static int APP_CC rail_create_window(Window window_id, Window owner_id); static int APP_CC rail_win_set_state(Window win, unsigned long state); static int APP_CC rail_show_window(Window window_id, int show_state); static int APP_CC rail_win_send_text(Window win); /*****************************************************************************/ static struct rail_window_data* APP_CC rail_get_window_data(Window window) { int bytes; Atom actual_type_return; int actual_format_return; unsigned long nitems_return; unsigned long bytes_after_return; unsigned char* prop_return; struct rail_window_data* rv; LOG(10, ("chansrv::rail_get_window_data:")); rv = 0; actual_type_return = 0; actual_format_return = 0; nitems_return = 0; prop_return = 0; bytes = sizeof(struct rail_window_data); XGetWindowProperty(g_display, window, g_rwd_atom, 0, bytes, 0, XA_STRING, &actual_type_return, &actual_format_return, &nitems_return, &bytes_after_return, &prop_return); if (prop_return == 0) { return 0; } if (nitems_return == bytes) { rv = (struct rail_window_data*)prop_return; } return rv; } /*****************************************************************************/ static int APP_CC rail_set_window_data(Window window, struct rail_window_data* rwd) { int bytes; bytes = sizeof(struct rail_window_data); XChangeProperty(g_display, window, g_rwd_atom, XA_STRING, 8, PropModeReplace, (unsigned char*)rwd, bytes); return 0; } /*****************************************************************************/ /* get the rail window data, if not exist, try to create it and return */ static struct rail_window_data* APP_CC rail_get_window_data_safe(Window window) { struct rail_window_data* rv; rv = rail_get_window_data(window); if (rv != 0) { return rv; } rv = g_malloc(sizeof(struct rail_window_data), 1); rail_set_window_data(window, rv); g_free(rv); return rail_get_window_data(window); } /******************************************************************************/ static int APP_CC is_window_valid_child_of_root(unsigned int window_id) { int found; unsigned int i; unsigned int nchild; Window r; Window p; Window *children; found = 0; XQueryTree(g_display, g_root_window, &r, &p, &children, &nchild); for (i = 0; i < nchild; i++) { if (window_id == children[i]) { found = 1; break; } } XFree(children); return found; } /*****************************************************************************/ static int APP_CC rail_send_init(void) { struct stream *s; int bytes; char *size_ptr; LOG(10, ("chansrv::rail_send_init:")); make_stream(s); init_stream(s, 8182); out_uint16_le(s, TS_RAIL_ORDER_HANDSHAKE); size_ptr = s->p; out_uint16_le(s, 0); /* size, set later */ out_uint32_le(s, 1); /* build number */ s_mark_end(s); bytes = (int)((s->end - s->data) - 4); size_ptr[0] = bytes; size_ptr[1] = bytes >> 8; bytes = (int)(s->end - s->data); send_channel_data(g_rail_chan_id, s->data, bytes); free_stream(s); return 0; } /******************************************************************************/ static int DEFAULT_CC anotherWMRunning(Display *display, XErrorEvent *xe) { g_rail_running = 0; return -1; } /******************************************************************************/ static int APP_CC rail_is_another_wm_running(void) { XErrorHandler old; g_rail_running = 1; old = XSetErrorHandler((XErrorHandler)anotherWMRunning); XSelectInput(g_display, g_root_window, PropertyChangeMask | StructureNotifyMask | SubstructureRedirectMask | ButtonPressMask | SubstructureNotifyMask | FocusChangeMask | EnterWindowMask | LeaveWindowMask); XSync(g_display, 0); XSetErrorHandler((XErrorHandler)old); g_rail_up = g_rail_running; if (!g_rail_up) { return 1; } return 0; } /*****************************************************************************/ int APP_CC rail_init(void) { LOG(10, ("chansrv::rail_init:")); xcommon_init(); if (rail_is_another_wm_running()) { log_message(LOG_LEVEL_ERROR, "rail_init: another window manager " "is running"); } list_delete(g_window_list); g_window_list = list_create(); rail_send_init(); g_rail_up = 1; g_rwd_atom = XInternAtom(g_display, "XRDP_RAIL_WINDOW_DATA", 0); return 0; } /*****************************************************************************/ int APP_CC rail_deinit(void) { if (g_rail_up) { list_delete(g_window_list); g_window_list = 0; /* no longer window manager */ XSelectInput(g_display, g_root_window, 0); g_rail_up = 0; } return 0; } /*****************************************************************************/ static char *APP_CC read_uni(struct stream *s, int num_chars) { twchar *rchrs; char *rv; int index; int lchars; rchrs = 0; rv = 0; if (num_chars > 0) { rchrs = (twchar *)g_malloc((num_chars + 1) * sizeof(twchar), 0); for (index = 0; index < num_chars; index++) { in_uint16_le(s, rchrs[index]); } rchrs[num_chars] = 0; lchars = g_wcstombs(0, rchrs, 0); if (lchars > 0) { rv = (char *)g_malloc((lchars + 1) * 4, 0); g_wcstombs(rv, rchrs, lchars); rv[lchars] = 0; } } g_free(rchrs); return rv; } /*****************************************************************************/ static int APP_CC rail_process_exec(struct stream *s, int size) { int flags; int ExeOrFileLength; int WorkingDirLength; int ArgumentsLen; char *ExeOrFile; char *WorkingDir; char *Arguments; LOG(0, ("chansrv::rail_process_exec:")); in_uint16_le(s, flags); in_uint16_le(s, ExeOrFileLength); in_uint16_le(s, WorkingDirLength); in_uint16_le(s, ArgumentsLen); ExeOrFile = read_uni(s, ExeOrFileLength); WorkingDir = read_uni(s, WorkingDirLength); Arguments = read_uni(s, ArgumentsLen); LOG(10, (" flags 0x%8.8x ExeOrFileLength %d WorkingDirLength %d " "ArgumentsLen %d ExeOrFile [%s] WorkingDir [%s] " "Arguments [%s]", flags, ExeOrFileLength, WorkingDirLength, ArgumentsLen, ExeOrFile, WorkingDir, Arguments)); if (g_strlen(ExeOrFile) > 0) { LOG(10, ("rail_process_exec: pre")); /* ask main thread to fork */ tc_mutex_lock(g_exec_mutex); g_exec_name = ExeOrFile; g_set_wait_obj(g_exec_event); tc_sem_dec(g_exec_sem); tc_mutex_unlock(g_exec_mutex); LOG(10, ("rail_process_exec: post")); } g_free(ExeOrFile); g_free(WorkingDir); g_free(Arguments); return 0; } /*****************************************************************************/ static void APP_CC rail_simulate_mouse_click(int button) { /* * The below code can be referenced from: * http://www.linuxquestions.org/questions/programming-9/simulating-a-mouse-click-594576/#post2936738 */ XEvent event; g_memset(&event, 0x00, sizeof(event)); event.type = ButtonPress; event.xbutton.button = button; event.xbutton.same_screen = True; XQueryPointer(g_display, g_root_window, &event.xbutton.root, &event.xbutton.window, &event.xbutton.x_root, &event.xbutton.y_root, &event.xbutton.x, &event.xbutton.y, &event.xbutton.state); event.xbutton.subwindow = event.xbutton.window; while(event.xbutton.subwindow) { event.xbutton.window = event.xbutton.subwindow; XQueryPointer(g_display, event.xbutton.window, &event.xbutton.root, &event.xbutton.subwindow, &event.xbutton.x_root, &event.xbutton.y_root, &event.xbutton.x, &event.xbutton.y, &event.xbutton.state); } if(XSendEvent(g_display, PointerWindow, True, 0xfff, &event) == 0) { LOG(0, (" error sending mouse event")); } XFlush(g_display); g_sleep(100); event.type = ButtonRelease; event.xbutton.state = 0x100; if(XSendEvent(g_display, PointerWindow, True, 0xfff, &event) == 0) { LOG(0, (" error sending mouse event")); } XFlush(g_display); } /******************************************************************************/ static int APP_CC rail_win_popdown(int window_id) { int rv = 0; unsigned int i; unsigned int nchild; Window r; Window p; Window* children; /* * Check the tree of current existing X windows and dismiss * the managed rail popups by simulating a mouse click, so * that the requested window can be closed properly. */ XQueryTree(g_display, g_root_window, &r, &p, &children, &nchild); for (i = 0; i < nchild; i++) { XWindowAttributes window_attributes; XGetWindowAttributes(g_display, children[i], &window_attributes); if (window_attributes.override_redirect && window_attributes.map_state == IsViewable && list_index_of(g_window_list, children[i]) >= 0) { LOG(0, (" dismiss pop up 0x%8.8x", children[i])); rail_simulate_mouse_click(Button1); rv = 1; break; } } XFree(children); return rv; } /******************************************************************************/ static int APP_CC rail_close_window(int window_id) { XEvent ce; LOG(0, ("chansrv::rail_close_window:")); if (rail_win_popdown(window_id)) { return 0; } /* don't receive UnmapNotify for closing window */ XSelectInput(g_display, window_id, PropertyChangeMask); g_memset(&ce, 0, sizeof(ce)); ce.xclient.type = ClientMessage; ce.xclient.message_type = g_wm_protocols_atom; ce.xclient.display = g_display; ce.xclient.window = window_id; ce.xclient.format = 32; ce.xclient.data.l[0] = g_wm_delete_window_atom; ce.xclient.data.l[1] = CurrentTime; XSendEvent(g_display, window_id, False, NoEventMask, &ce); return 0; } /*****************************************************************************/ static int APP_CC rail_process_activate(struct stream *s, int size) { int window_id; int enabled; XWindowAttributes window_attributes; Window transient_for = 0; LOG(10, ("chansrv::rail_process_activate:")); in_uint32_le(s, window_id); in_uint8(s, enabled); LOG(10, (" window_id 0x%8.8x enabled %d", window_id, enabled)); XGetWindowAttributes(g_display, window_id, &window_attributes); if (enabled) { if (window_attributes.map_state != IsViewable) { /* In case that window is unmapped upon minimization and not yet mapped*/ XMapWindow(g_display, window_id); } XGetTransientForHint(g_display, window_id, &transient_for); if (transient_for > 0) { // Owner window should be raised up as well XRaiseWindow(g_display, transient_for); } LOG(10, ("chansrv::rail_process_activate: calling XRaiseWindow 0x%8.8x", window_id)); XRaiseWindow(g_display, window_id); LOG(10, ("chansrv::rail_process_activate: calling XSetInputFocus 0x%8.8x", window_id)); XSetInputFocus(g_display, window_id, RevertToParent, CurrentTime); } else { XWindowAttributes window_attributes; XGetWindowAttributes(g_display, window_id, &window_attributes); LOG(10, (" window attributes: override_redirect %d", window_attributes.override_redirect)); if (window_attributes.override_redirect) { LOG(10, (" dismiss popup window 0x%8.8x", window_id)); XUnmapWindow(g_display, window_id); } } return 0; } /*****************************************************************************/ static int APP_CC rail_restore_windows(void) { unsigned int i; unsigned int nchild; Window r; Window p; Window* children; XQueryTree(g_display, g_root_window, &r, &p, &children, &nchild); for (i = 0; i < nchild; i++) { XWindowAttributes window_attributes; XGetWindowAttributes(g_display, children[i], &window_attributes); if (!window_attributes.override_redirect) { if (window_attributes.map_state == IsViewable) { rail_win_set_state(children[i], 0x0); /* WithdrawnState */ rail_create_window(children[i], g_root_window); rail_win_set_state(children[i], 0x1); /* NormalState */ rail_win_send_text(children[i]); } } } XFree(children); return 0; } /*****************************************************************************/ static int APP_CC rail_process_system_param(struct stream *s, int size) { int system_param; LOG(10, ("chansrv::rail_process_system_param:")); in_uint32_le(s, system_param); LOG(10, (" system_param 0x%8.8x", system_param)); /* * Ask client to re-create the existing rail windows. This is supposed * to be done after handshake and client is initialised properly, we * consider client is ready when it sends "SET_WORKAREA" sysparam. */ if (system_param == 0x0000002F) /*SPI_SET_WORK_AREA*/ { LOG(10, (" restore rail windows")); rail_restore_windows(); } return 0; } /*****************************************************************************/ static int APP_CC rail_get_property(Display* display, Window target, Atom type, Atom property, unsigned char** data, unsigned long* count) { Atom atom_return; int size; unsigned long nitems, bytes_left; char* prop_name; int ret = XGetWindowProperty(display, target, property, 0l, 1l, False, type, &atom_return, &size, &nitems, &bytes_left, data); if ((ret != Success || nitems < 1) && atom_return == None) { prop_name = XGetAtomName(g_display, property); LOG(10, (" rail_get_property %s: failed", prop_name)); XFree(prop_name); return 1; } if (bytes_left != 0) { XFree(*data); unsigned long remain = ((size / 8) * nitems) + bytes_left; ret = XGetWindowProperty(g_display, target, property, 0l, remain, False, atom_return, &atom_return, &size, &nitems, &bytes_left, data); if (ret != Success) { return 1; } } *count = nitems; return 0; } /*****************************************************************************/ static int APP_CC rail_win_get_state(Window win) { unsigned long nitems = 0; int rv = -1; char* data = 0; rail_get_property(g_display, win, g_wm_state, g_wm_state, (unsigned char **)&data, &nitems); if (data || nitems > 0) { rv = *(unsigned long *)data; XFree(data); LOG(10, (" rail_win_get_state: %d", rv)); } return rv; } /*****************************************************************************/ static int APP_CC rail_win_set_state(Window win, unsigned long state) { int old_state; unsigned long data[2] = { state, None }; LOG(10, (" rail_win_set_state: %d", state)); /* check whether WM_STATE exists */ old_state = rail_win_get_state(win); if (old_state == -1) { /* create WM_STATE property */ XChangeProperty(g_display, win, g_wm_state, g_wm_state, 32, PropModeAppend, (unsigned char *)data, 2); LOG(10, (" rail_win_set_state: create WM_STATE property")); } else { XChangeProperty(g_display, win, g_wm_state, g_wm_state, 32, PropModeReplace, (unsigned char *)data, 2); } return 0; } /*****************************************************************************/ static int APP_CC rail_win_get_text(Window win, char **data) { int ret = 0; int i = 0; unsigned long nitems = 0; ret = rail_get_property(g_display, win, g_utf8_string, g_net_wm_name, (unsigned char **)data, &nitems); if (ret != 0) { /* _NET_WM_NAME isn't set, use WM_NAME (XFetchName) instead */ XFetchName(g_display, win, data); } if (data) { char *ptr = *data; for (; ptr != NULL; i++) { if (ptr[i] == '\0') { break; } } } return i; } /******************************************************************************/ static int APP_CC rail_minmax_window(int window_id, int max) { LOG(10, ("chansrv::rail_minmax_window 0x%8.8x:", window_id)); if (max) { } else { XUnmapWindow(g_display, window_id); /* change window state to IconicState (3) */ rail_win_set_state(window_id, 0x3); /* * TODO dismiss popups opened so far */ } return 0; } /*****************************************************************************/ static int APP_CC rail_restore_window(int window_id) { XWindowAttributes window_attributes; LOG(10, ("chansrv::rail_restore_window 0x%8.8x:", window_id)); XGetWindowAttributes(g_display, window_id, &window_attributes); if (window_attributes.map_state != IsViewable) { XMapWindow(g_display, window_id); } LOG(10, ("chansrv::rail_process_activate: calling XRaiseWindow 0x%8.8x", window_id)); XRaiseWindow(g_display, window_id); LOG(10, ("chansrv::rail_process_activate: calling XSetInputFocus 0x%8.8x", window_id)); XSetInputFocus(g_display, window_id, RevertToParent, CurrentTime); return 0; } /*****************************************************************************/ static int APP_CC rail_process_system_command(struct stream *s, int size) { int window_id; int command; LOG(10, ("chansrv::rail_process_system_command:")); in_uint32_le(s, window_id); in_uint16_le(s, command); switch (command) { case SC_SIZE: LOG(10, (" window_id 0x%8.8x SC_SIZE", window_id)); break; case SC_MOVE: LOG(10, (" window_id 0x%8.8x SC_MOVE", window_id)); break; case SC_MINIMIZE: LOG(10, (" window_id 0x%8.8x SC_MINIMIZE", window_id)); rail_minmax_window(window_id, 0); break; case SC_MAXIMIZE: LOG(10, (" window_id 0x%8.8x SC_MAXIMIZE", window_id)); break; case SC_CLOSE: LOG(10, (" window_id 0x%8.8x SC_CLOSE", window_id)); rail_close_window(window_id); break; case SC_KEYMENU: LOG(10, (" window_id 0x%8.8x SC_KEYMENU", window_id)); break; case SC_RESTORE: LOG(10, (" window_id 0x%8.8x SC_RESTORE", window_id)); rail_restore_window(window_id); break; case SC_DEFAULT: LOG(10, (" window_id 0x%8.8x SC_DEFAULT", window_id)); break; default: LOG(10, (" window_id 0x%8.8x unknown command command %d", window_id, command)); break; } return 0; } /*****************************************************************************/ static int APP_CC rail_process_handshake(struct stream *s, int size) { int build_number; LOG(10, ("chansrv::rail_process_handshake:")); in_uint32_le(s, build_number); LOG(10, (" build_number 0x%8.8x", build_number)); return 0; } /*****************************************************************************/ static int APP_CC rail_process_notify_event(struct stream *s, int size) { int window_id; int notify_id; int message; LOG(10, ("chansrv::rail_process_notify_event:")); in_uint32_le(s, window_id); in_uint32_le(s, notify_id); in_uint32_le(s, message); LOG(10, (" window_id 0x%8.8x notify_id 0x%8.8x message 0x%8.8x", window_id, notify_id, message)); return 0; } /*****************************************************************************/ static int APP_CC rail_process_window_move(struct stream *s, int size) { int window_id; int left; int top; int right; int bottom; tsi16 si16; struct rail_window_data* rwd; LOG(10, ("chansrv::rail_process_window_move:")); in_uint32_le(s, window_id); in_uint16_le(s, si16); left = si16; in_uint16_le(s, si16); top = si16; in_uint16_le(s, si16); right = si16; in_uint16_le(s, si16); bottom = si16; LOG(10, (" window_id 0x%8.8x left %d top %d right %d bottom %d width %d height %d", window_id, left, top, right, bottom, right - left, bottom - top)); XMoveResizeWindow(g_display, window_id, left, top, right - left, bottom - top); rwd = (struct rail_window_data*) g_malloc(sizeof(struct rail_window_data), 1); rwd->x = left; rwd->y = top; rwd->width = right - left; rwd->height = bottom - top; rail_set_window_data(window_id, rwd); g_free(rwd); return 0; } /*****************************************************************************/ static int APP_CC rail_process_local_move_size(struct stream *s, int size) { int window_id; int is_move_size_start; int move_size_type; int pos_x; int pos_y; tsi16 si16; LOG(10, ("chansrv::rail_process_local_move_size:")); in_uint32_le(s, window_id); in_uint16_le(s, is_move_size_start); in_uint16_le(s, move_size_type); in_uint16_le(s, si16); pos_x = si16; in_uint16_le(s, si16); pos_y = si16; LOG(10, (" window_id 0x%8.8x is_move_size_start %d move_size_type %d " "pos_x %d pos_y %d", window_id, is_move_size_start, move_size_type, pos_x, pos_y)); return 0; } /*****************************************************************************/ /* server to client only */ static int APP_CC rail_process_min_max_info(struct stream *s, int size) { LOG(10, ("chansrv::rail_process_min_max_info:")); return 0; } /*****************************************************************************/ static int APP_CC rail_process_client_status(struct stream *s, int size) { int flags; LOG(10, ("chansrv::rail_process_client_status:")); in_uint32_le(s, flags); LOG(10, (" flags 0x%8.8x", flags)); return 0; } /*****************************************************************************/ static int APP_CC rail_process_sys_menu(struct stream *s, int size) { int window_id; int left; int top; tsi16 si16; LOG(10, ("chansrv::rail_process_sys_menu:")); in_uint32_le(s, window_id); in_uint16_le(s, si16); left = si16; in_uint16_le(s, si16); top = si16; LOG(10, (" window_id 0x%8.8x left %d top %d", window_id, left, top)); return 0; } /*****************************************************************************/ static int APP_CC rail_process_lang_bar_info(struct stream *s, int size) { int language_bar_status; 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 */ static int APP_CC rail_win_send_text(Window win) { char* data = 0; struct stream* s; int len = 0; int flags; struct rail_window_data* rwd; len = rail_win_get_text(win, &data); rwd = rail_get_window_data_safe(win); if (rwd != 0) { if (data != 0) { if (rwd->valid & RWD_TITLE) { if (g_strncmp(rwd->title, data, 63) == 0) { LOG(0, ("chansrv::rail_win_send_text: skipping, title not changed")); XFree(data); XFree(rwd); return 0; } } } } else { LOG(0, ("chansrv::rail_win_send_text: error rail_get_window_data_safe failed")); return 1; } if (data && len > 0) { LOG(10, ("chansrv::rail_win_send_text: 0x%8.8x text %s length %d", win, data, len)); make_stream(s); init_stream(s, 1024); flags = WINDOW_ORDER_TYPE_WINDOW | WINDOW_ORDER_FIELD_TITLE; out_uint32_le(s, 8); /* update title info */ out_uint32_le(s, win); /* window id */ out_uint32_le(s, flags); /* flags */ out_uint32_le(s, len); /* title size */ out_uint8a(s, data, len); /* title */ s_mark_end(s); send_rail_drawing_orders(s->data, (int)(s->end - s->data)); free_stream(s); XFree(data); /* update rail window data */ rwd->valid |= RWD_TITLE; g_strncpy(rwd->title, data, 63); rail_set_window_data(win, rwd); } XFree(rwd); return 0; } /*****************************************************************************/ static int APP_CC rail_destroy_window(Window window_id) { LOG(10, ("chansrv::rail_destroy_window 0x%8.8x", window_id)); make_stream(s); init_stream(s, 1024); out_uint32_le(s, 4); /* destroy_window */ out_uint32_le(s, window_id); s_mark_end(s); send_rail_drawing_orders(s->data, (int)(s->end - s->data)); free_stream(s); return 0; } /*****************************************************************************/ static int APP_CC rail_show_window(Window window_id, int show_state) { int flags; struct stream* s; LOG(10, ("chansrv::rail_show_window 0x%8.8x 0x%x", window_id, show_state)); make_stream(s); init_stream(s, 1024); flags = WINDOW_ORDER_TYPE_WINDOW | WINDOW_ORDER_FIELD_SHOW; out_uint32_le(s, 6); /* show_window */ out_uint32_le(s, window_id); /* window_id */ out_uint32_le(s, flags); /* flags */ out_uint32_le(s, show_state); /* show_state */ s_mark_end(s); send_rail_drawing_orders(s->data, (int)(s->end - s->data)); free_stream(s); return 0; } /*****************************************************************************/ static int APP_CC rail_create_window(Window window_id, Window owner_id) { int x; int y; tui32 width; tui32 height; tui32 border; Window root; tui32 depth; char* title_bytes = 0; int title_size = 0; XWindowAttributes attributes; int style; int ext_style; int num_window_rects = 1; int num_visibility_rects = 1; int i = 0; int flags; int index; Window transient_for = 0; struct rail_window_data* rwd; struct stream* s; LOG(10, ("chansrv::rail_create_window 0x%8.8x", window_id)); rwd = rail_get_window_data_safe(window_id); if (rwd == 0) { LOG(0, ("chansrv::rail_create_window: error rail_get_window_data_safe failed")); return 0; } XGetGeometry(g_display, window_id, &root, &x, &y, &width, &height, &border, &depth); XGetWindowAttributes(g_display, window_id, &attributes); LOG(10, (" x %d y %d width %d height %d border_width %d", x, y, width, height, border)); index = list_index_of(g_window_list, window_id); if (index == -1) { LOG(10, (" create new window")); flags = WINDOW_ORDER_TYPE_WINDOW | WINDOW_ORDER_STATE_NEW; list_add_item(g_window_list, window_id); } else { LOG(10, (" update existing window")); flags = WINDOW_ORDER_TYPE_WINDOW; } title_size = rail_win_get_text(window_id, &title_bytes); XGetTransientForHint(g_display, window_id, &transient_for); if (attributes.override_redirect) { style = RAIL_STYLE_TOOLTIP; ext_style = RAIL_EXT_STYLE_TOOLTIP; } else if (transient_for > 0) { style = RAIL_STYLE_DIALOG; ext_style = RAIL_EXT_STYLE_DIALOG; owner_id = transient_for; } else { style = RAIL_STYLE_NORMAL; ext_style = RAIL_EXT_STYLE_NORMAL; } make_stream(s); init_stream(s, 1024); out_uint32_le(s, 2); /* create_window */ out_uint32_le(s, window_id); /* window_id */ out_uint32_le(s, owner_id); /* owner_window_id */ flags |= WINDOW_ORDER_FIELD_OWNER; out_uint32_le(s, style); /* style */ out_uint32_le(s, ext_style); /* extended_style */ flags |= WINDOW_ORDER_FIELD_STYLE; out_uint32_le(s, 0x05); /* show_state */ flags |= WINDOW_ORDER_FIELD_SHOW; if (title_size > 0) { out_uint16_le(s, title_size); /* title_size */ out_uint8a(s, title_bytes, title_size); /* title */ rwd->valid |= RWD_TITLE; g_strncpy(rwd->title, title_bytes, 63); } else { out_uint16_le(s, 5); /* title_size */ out_uint8a(s, "title", 5); /* title */ rwd->valid |= RWD_TITLE; rwd->title[0] = 0; } LOG(10, (" set title info %d", title_size)); flags |= WINDOW_ORDER_FIELD_TITLE; out_uint32_le(s, 0); /* client_offset_x */ out_uint32_le(s, 0); /* client_offset_y */ flags |= WINDOW_ORDER_FIELD_CLIENT_AREA_OFFSET; out_uint32_le(s, width); /* client_area_width */ out_uint32_le(s, height); /* client_area_height */ flags |= WINDOW_ORDER_FIELD_CLIENT_AREA_SIZE; out_uint32_le(s, 0); /* rp_content */ out_uint32_le(s, g_root_window); /* root_parent_handle */ flags |= WINDOW_ORDER_FIELD_ROOT_PARENT; out_uint32_le(s, x); /* window_offset_x */ out_uint32_le(s, y); /* window_offset_y */ flags |= WINDOW_ORDER_FIELD_WND_OFFSET; out_uint32_le(s, 0); /* window_client_delta_x */ out_uint32_le(s, 0); /* window_client_delta_y */ flags |= WINDOW_ORDER_FIELD_WND_CLIENT_DELTA; out_uint32_le(s, width); /* window_width */ out_uint32_le(s, height); /* window_height */ flags |= WINDOW_ORDER_FIELD_WND_SIZE; out_uint16_le(s, num_window_rects); /* num_window_rects */ for (i = 0; i < num_window_rects; i++) { out_uint16_le(s, 0); /* left */ out_uint16_le(s, 0); /* top */ out_uint16_le(s, width); /* right */ out_uint16_le(s, height); /* bottom */ } flags |= WINDOW_ORDER_FIELD_WND_RECTS; out_uint32_le(s, x); /* visible_offset_x */ out_uint32_le(s, y); /* visible_offset_y */ flags |= WINDOW_ORDER_FIELD_VIS_OFFSET; out_uint16_le(s, num_visibility_rects); /* num_visibility_rects */ for (i = 0; i < num_visibility_rects; i++) { out_uint16_le(s, 0); /* left */ out_uint16_le(s, 0); /* top */ out_uint16_le(s, width); /* right */ out_uint16_le(s, height); /* bottom */ } flags |= WINDOW_ORDER_FIELD_VISIBILITY; out_uint32_le(s, flags); /*flags*/ s_mark_end(s); send_rail_drawing_orders(s->data, (int)(s->end - s->data)); free_stream(s); XFree(title_bytes); rail_set_window_data(window_id, rwd); XFree(rwd); return 0; } /*****************************************************************************/ /* returns 0, event handled, 1 unhandled */ int APP_CC rail_configure_request_window(XConfigureRequestEvent* config) { int num_window_rects = 1; int num_visibility_rects = 1; int i = 0; int flags; int index; int window_id; int mask; int resized = 0; struct rail_window_data* rwd; struct stream* s; window_id = config->window; mask = config->value_mask; LOG(10, ("chansrv::rail_configure_request_window: mask %d", mask)); rwd = rail_get_window_data(window_id); if (rwd == 0) { rwd = (struct rail_window_data*)g_malloc(sizeof(struct rail_window_data), 1); rwd->x = config->x; rwd->y = config->y; rwd->width = config->width; rwd->height = config->height; rwd->valid |= RWD_X | RWD_Y | RWD_WIDTH | RWD_HEIGHT; rail_set_window_data(window_id, rwd); g_free(rwd); return 0; } if (!resized) { if (mask & CWX) { if (rwd->valid & RWD_X) { if (rwd->x != config->x) { resized = 1; rwd->x = config->x; } } else { resized = 1; rwd->x = config->x; rwd->valid |= RWD_X; } } } if (!resized) { if (mask & CWY) { if (rwd->valid & RWD_Y) { if (rwd->y != config->y) { resized = 1; rwd->y = config->y; } } else { resized = 1; rwd->y = config->y; rwd->valid |= RWD_Y; } } } if (!resized) { if (mask & CWWidth) { if (rwd->valid & RWD_WIDTH) { if (rwd->width != config->width) { resized = 1; rwd->width = config->width; } } else { resized = 1; rwd->width = config->width; rwd->valid |= RWD_WIDTH; } } } if (!resized) { if (mask & CWHeight) { if (rwd->valid & RWD_HEIGHT) { if (rwd->height != config->height) { resized = 1; rwd->height = config->height; } } else { resized = 1; rwd->height = config->height; rwd->valid |= RWD_HEIGHT; } } } if (resized) { rail_set_window_data(window_id, rwd); XFree(rwd); } else { XFree(rwd); return 0; } LOG(10, ("chansrv::rail_configure_request_window: 0x%8.8x", window_id)); LOG(10, (" x %d y %d width %d height %d border_width %d", config->x, config->y, config->width, config->height, config->border_width)); index = list_index_of(g_window_list, window_id); if (index == -1) { /* window isn't mapped yet */ LOG(0, ("chansrv::rail_configure_request_window: window not mapped")); return 0; } flags = WINDOW_ORDER_TYPE_WINDOW; make_stream(s); init_stream(s, 1024); out_uint32_le(s, 10); /* configure_window */ out_uint32_le(s, window_id); /* window_id */ out_uint32_le(s, 0); /* client_offset_x */ out_uint32_le(s, 0); /* client_offset_y */ flags |= WINDOW_ORDER_FIELD_CLIENT_AREA_OFFSET; out_uint32_le(s, config->width); /* client_area_width */ out_uint32_le(s, config->height); /* client_area_height */ flags |= WINDOW_ORDER_FIELD_CLIENT_AREA_SIZE; out_uint32_le(s, 0); /* rp_content */ out_uint32_le(s, g_root_window); /* root_parent_handle */ flags |= WINDOW_ORDER_FIELD_ROOT_PARENT; out_uint32_le(s, config->x); /* window_offset_x */ out_uint32_le(s, config->y); /* window_offset_y */ flags |= WINDOW_ORDER_FIELD_WND_OFFSET; out_uint32_le(s, 0); /* window_client_delta_x */ out_uint32_le(s, 0); /* window_client_delta_y */ flags |= WINDOW_ORDER_FIELD_WND_CLIENT_DELTA; out_uint32_le(s, config->width); /* window_width */ out_uint32_le(s, config->height); /* window_height */ flags |= WINDOW_ORDER_FIELD_WND_SIZE; out_uint16_le(s, num_window_rects); /* num_window_rects */ for (i = 0; i < num_window_rects; i++) { out_uint16_le(s, 0); /* left */ out_uint16_le(s, 0); /* top */ out_uint16_le(s, config->width); /* right */ out_uint16_le(s, config->height); /* bottom */ } flags |= WINDOW_ORDER_FIELD_WND_RECTS; out_uint32_le(s, config->x); /* visible_offset_x */ out_uint32_le(s, config->y); /* visible_offset_y */ flags |= WINDOW_ORDER_FIELD_VIS_OFFSET; out_uint16_le(s, num_visibility_rects); /* num_visibility_rects */ for (i = 0; i < num_visibility_rects; i++) { out_uint16_le(s, 0); /* left */ out_uint16_le(s, 0); /* top */ out_uint16_le(s, config->width); /* right */ out_uint16_le(s, config->height); /* bottom */ } flags |= WINDOW_ORDER_FIELD_VISIBILITY; out_uint32_le(s, flags); /*flags*/ s_mark_end(s); send_rail_drawing_orders(s->data, (int)(s->end - s->data)); free_stream(s); return 0; } /*****************************************************************************/ /* returns 0, event handled, 1 unhandled */ int APP_CC rail_configure_window(XConfigureEvent *config) { int num_window_rects = 1; int num_visibility_rects = 1; int i = 0; int flags; int index; int window_id; struct stream* s; window_id = config->window; LOG(10, ("chansrv::rail_configure_window 0x%8.8x", window_id)); LOG(10, (" x %d y %d width %d height %d border_width %d", config->x, config->y, config->width, config->height, config->border_width)); index = list_index_of(g_window_list, window_id); if (index == -1) { /* window isn't mapped yet */ return 0; } flags = WINDOW_ORDER_TYPE_WINDOW; make_stream(s); init_stream(s, 1024); out_uint32_le(s, 10); /* configure_window */ out_uint32_le(s, window_id); /* window_id */ out_uint32_le(s, 0); /* client_offset_x */ out_uint32_le(s, 0); /* client_offset_y */ flags |= WINDOW_ORDER_FIELD_CLIENT_AREA_OFFSET; out_uint32_le(s, config->width); /* client_area_width */ out_uint32_le(s, config->height); /* client_area_height */ flags |= WINDOW_ORDER_FIELD_CLIENT_AREA_SIZE; out_uint32_le(s, 0); /* rp_content */ out_uint32_le(s, g_root_window); /* root_parent_handle */ flags |= WINDOW_ORDER_FIELD_ROOT_PARENT; out_uint32_le(s, config->x); /* window_offset_x */ out_uint32_le(s, config->y); /* window_offset_y */ flags |= WINDOW_ORDER_FIELD_WND_OFFSET; out_uint32_le(s, 0); /* window_client_delta_x */ out_uint32_le(s, 0); /* window_client_delta_y */ flags |= WINDOW_ORDER_FIELD_WND_CLIENT_DELTA; out_uint32_le(s, config->width); /* window_width */ out_uint32_le(s, config->height); /* window_height */ flags |= WINDOW_ORDER_FIELD_WND_SIZE; out_uint16_le(s, num_window_rects); /* num_window_rects */ for (i = 0; i < num_window_rects; i++) { out_uint16_le(s, 0); /* left */ out_uint16_le(s, 0); /* top */ out_uint16_le(s, config->width); /* right */ out_uint16_le(s, config->height); /* bottom */ } flags |= WINDOW_ORDER_FIELD_WND_RECTS; out_uint32_le(s, config->x); /* visible_offset_x */ out_uint32_le(s, config->y); /* visible_offset_y */ flags |= WINDOW_ORDER_FIELD_VIS_OFFSET; out_uint16_le(s, num_visibility_rects); /* num_visibility_rects */ for (i = 0; i < num_visibility_rects; i++) { out_uint16_le(s, 0); /* left */ out_uint16_le(s, 0); /* top */ out_uint16_le(s, config->width); /* right */ out_uint16_le(s, config->height); /* bottom */ } flags |= WINDOW_ORDER_FIELD_VISIBILITY; out_uint32_le(s, flags); /*flags*/ s_mark_end(s); send_rail_drawing_orders(s->data, (int)(s->end - s->data)); free_stream(s); return 0; } /*****************************************************************************/ /* returns 0, event handled, 1 unhandled */ int APP_CC rail_xevent(void *xevent) { XEvent *lxevent; XEvent lastevent; XWindowChanges xwc; int rv; int index; XWindowAttributes wnd_attributes; char* prop_name; LOG(10, ("chansrv::rail_xevent:")); if (!g_rail_up) { return 1; } rv = 1; lxevent = (XEvent *)xevent; switch (lxevent->type) { case PropertyNotify: prop_name = XGetAtomName(g_display, lxevent->xproperty.atom); LOG(10, (" got PropertyNotify window_id 0x%8.8x %s state new %d", lxevent->xproperty.window, prop_name, lxevent->xproperty.state == PropertyNewValue)); if (g_strcmp(prop_name, "WM_NAME") == 0 || g_strcmp(prop_name, "_NET_WM_NAME") == 0) { XGetWindowAttributes(g_display, lxevent->xproperty.window, &wnd_attributes); if (wnd_attributes.map_state == IsViewable) { rail_win_send_text(lxevent->xproperty.window); rv = 0; } } XFree(prop_name); break; 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); rail_configure_request_window(&(lxevent->xconfigurerequest)); rv = 0; break; case CreateNotify: LOG(10, (" got CreateNotify 0x%8.8x", lxevent->xcreatewindow.window)); break; case DestroyNotify: LOG(10, (" got DestroyNotify 0x%8.8x", lxevent->xdestroywindow.window)); index = list_index_of(g_window_list, lxevent->xdestroywindow.window); if (index >= 0) { rail_destroy_window(lxevent->xdestroywindow.window); list_remove_item(g_window_list, index); } v = 0; break; case MapRequest: LOG(10, (" got MapRequest 0x%8.8x", lxevent->xmaprequest.window)); XSelectInput(g_display, lxevent->xmaprequest.window, PropertyChangeMask | StructureNotifyMask); XMapWindow(g_display, lxevent->xmaprequest.window); break; case MapNotify: LOG(10, (" got MapNotify 0x%8.8x", lxevent->xmap.event)); if (lxevent->xmap.window != lxevent->xmap.event) { XGetWindowAttributes(g_display, lxevent->xmap.window, &wnd_attributes); if (wnd_attributes.map_state == IsViewable) { rail_create_window(lxevent->xmap.window, lxevent->xmap.event); if (!wnd_attributes.override_redirect) { rail_win_set_state(lxevent->xmap.window, 0x1); /* NormalState */ rail_win_send_text(lxevent->xmap.window); } rv = 0; } } break; case UnmapNotify: LOG(10, (" got UnmapNotify 0x%8.8x", lxevent->xunmap.event)); if (lxevent->xunmap.window != lxevent->xunmap.event && is_window_valid_child_of_root(lxevent->xunmap.window)) { int state = rail_win_get_state(lxevent->xunmap.window); index = list_index_of(g_window_list, lxevent->xunmap.window); LOG(10, (" window 0x%8.8x is unmapped", lxevent->xunmap.window)); if (index >= 0) { #if 0 XGetWindowAttributes(g_display, lxevent->xunmap.window, &wnd_attributes); if (wnd_attributes.override_redirect) { LOG(10, (" hide popup")); rail_show_window(lxevent->xunmap.window, 0x0); rv = 0; } #else rail_show_window(lxevent->xunmap.window, 0x0); rv = 0; #endif } } break; case ConfigureNotify: LOG(10, (" got ConfigureNotify 0x%8.8x event 0x%8.8x", lxevent->xconfigure.window, lxevent->xconfigure.event)); rv = 0; if (lxevent->xconfigure.event != lxevent->xconfigure.window || lxevent->xconfigure.override_redirect) { break; } /* skip dup ConfigureNotify */ while (XCheckTypedWindowEvent(g_display, lxevent->xconfigure.window, ConfigureNotify, &lastevent)) { if (lastevent.xconfigure.event == lastevent.xconfigure.window && lxevent->xconfigure.override_redirect == 0) { lxevent = &lastevent; } } #if 0 rail_configure_window(&(lxevent->xconfigure)); #endif 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; }