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xrdp-proprietary/libxrdp/xrdp_orders_rail.c

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/**
* 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.
*/
#include "libxrdp.h"
#include "xrdp_rail.h"
/* [MS-RDPERP]: Remote Desktop Protocol:
Remote Programs Virtual Channel Extension
http://msdn.microsoft.com/en-us/library/cc242568(v=prot.10) */
/*****************************************************************************/
/* RAIL */
/* returns error */
int APP_CC
xrdp_orders_send_window_delete(struct xrdp_orders *self, int window_id)
{
int order_size;
int order_flags;
int field_present_flags;
order_size = 11;
xrdp_orders_check(self, order_size);
self->order_count++;
order_flags = RDP_ORDER_SECONDARY;
order_flags |= 0xb << 2; /* type TS_ALTSEC_WINDOW */
out_uint8(self->out_s, order_flags);
/* orderSize (2 bytes) */
out_uint16_le(self->out_s, order_size);
/* FieldsPresentFlags (4 bytes) */
field_present_flags = WINDOW_ORDER_TYPE_WINDOW | WINDOW_ORDER_STATE_DELETED;
out_uint32_le(self->out_s, field_present_flags);
/* windowId (4 bytes) */
out_uint32_le(self->out_s, window_id);
return 0;
}
/*****************************************************************************/
/* RAIL */
/* returns error */
/* flags can contain WINDOW_ORDER_STATE_NEW and/or
WINDOW_ORDER_FIELD_ICON_BIG */
int APP_CC
xrdp_orders_send_window_cached_icon(struct xrdp_orders *self,
int window_id, int cache_entry,
int cache_id, int flags)
{
int order_size;
int order_flags;
int field_present_flags;
order_size = 14;
xrdp_orders_check(self, order_size);
self->order_count++;
order_flags = RDP_ORDER_SECONDARY;
order_flags |= 0xb << 2; /* type TS_ALTSEC_WINDOW */
out_uint8(self->out_s, order_flags);
/* orderSize (2 bytes) */
out_uint16_le(self->out_s, order_size);
/* FieldsPresentFlags (4 bytes) */
field_present_flags = flags | WINDOW_ORDER_TYPE_WINDOW |
WINDOW_ORDER_CACHED_ICON;
out_uint32_le(self->out_s, field_present_flags);
/* windowId (4 bytes) */
out_uint32_le(self->out_s, window_id);
/* CacheEntry (2 bytes) */
out_uint16_le(self->out_s, cache_entry);
/* CacheId (1 byte) */
out_uint8(self->out_s, cache_id);
return 0;
}
/*****************************************************************************/
/* RAIL */
/* returns error */
static int APP_CC
xrdp_orders_send_ts_icon(struct stream *s, int cache_entry, int cache_id,
struct rail_icon_info *icon_info)
{
int use_cmap;
use_cmap = 0;
if ((icon_info->bpp == 1) || (icon_info->bpp == 2) || (icon_info->bpp == 4))
{
use_cmap = 1;
}
/* TS_ICON_INFO */
out_uint16_le(s, cache_entry);
out_uint8(s, cache_id);
out_uint8(s, icon_info->bpp);
out_uint16_le(s, icon_info->width);
out_uint16_le(s, icon_info->height);
if (use_cmap)
{
out_uint16_le(s, icon_info->cmap_bytes);
}
out_uint16_le(s, icon_info->mask_bytes);
out_uint16_le(s, icon_info->data_bytes);
out_uint8p(s, icon_info->mask, icon_info->mask_bytes);
if (use_cmap)
{
out_uint8p(s, icon_info->cmap, icon_info->cmap_bytes);
}
out_uint8p(s, icon_info->data, icon_info->data_bytes);
return 0;
}
/*****************************************************************************/
/* RAIL */
/* returns error */
/* flags can contain WINDOW_ORDER_STATE_NEW and/or
WINDOW_ORDER_FIELD_ICON_BIG */
int APP_CC
xrdp_orders_send_window_icon(struct xrdp_orders *self,
int window_id, int cache_entry, int cache_id,
struct rail_icon_info *icon_info,
int flags)
{
int order_size;
int order_flags;
int field_present_flags;
int use_cmap;
use_cmap = 0;
if ((icon_info->bpp == 1) || (icon_info->bpp == 2) || (icon_info->bpp == 4))
{
use_cmap = 1;
}
order_size = 23 + icon_info->mask_bytes + icon_info->data_bytes;
if (use_cmap)
{
order_size += icon_info->cmap_bytes + 2;
}
xrdp_orders_check(self, order_size);
self->order_count++;
order_flags = RDP_ORDER_SECONDARY;
order_flags |= 0xb << 2; /* type TS_ALTSEC_WINDOW */
out_uint8(self->out_s, order_flags);
/* orderSize (2 bytes) */
out_uint16_le(self->out_s, order_size);
/* FieldsPresentFlags (4 bytes) */
field_present_flags = flags | WINDOW_ORDER_TYPE_WINDOW |
WINDOW_ORDER_ICON;
out_uint32_le(self->out_s, field_present_flags);
/* windowId (4 bytes) */
out_uint32_le(self->out_s, window_id);
xrdp_orders_send_ts_icon(self->out_s, cache_entry, cache_id, icon_info);
return 0;
}
/*****************************************************************************/
/* returns error */
static int APP_CC
xrdp_orders_send_as_unicode(struct stream *s, const char *text)
{
int str_chars;
int index;
int i32;
twchar wdst[256];
str_chars = g_mbstowcs(wdst, text, 255);
if (str_chars > 0)
{
i32 = str_chars * 2;
out_uint16_le(s, i32);
for (index = 0; index < str_chars; index++)
{
i32 = wdst[index];
out_uint16_le(s, i32);
}
}
else
{
out_uint16_le(s, 0);
}
return 0;
}
/*****************************************************************************/
/* RAIL */
/* returns error */
/* flags can contain WINDOW_ORDER_STATE_NEW */
int APP_CC
xrdp_orders_send_window_new_update(struct xrdp_orders *self, int window_id,
struct rail_window_state_order *window_state,
int flags)
{
int order_size;
int order_flags;
int field_present_flags;
int num_chars;
int index;
order_size = 11;
field_present_flags = flags | WINDOW_ORDER_TYPE_WINDOW;
if (field_present_flags & WINDOW_ORDER_FIELD_OWNER)
{
/* ownerWindowId (4 bytes) */
order_size += 4;
}
if (field_present_flags & WINDOW_ORDER_FIELD_STYLE)
{
/* style (4 bytes) */
order_size += 4;
/* extendedStyle (4 bytes) */
order_size += 4;
}
if (field_present_flags & WINDOW_ORDER_FIELD_SHOW)
{
/* showState (1 byte) */
order_size += 1;
}
if (field_present_flags & WINDOW_ORDER_FIELD_TITLE)
{
/* titleInfo */
num_chars = g_mbstowcs(0, window_state->title_info, 0);
order_size += 2 * num_chars + 2;
}
if (field_present_flags & WINDOW_ORDER_FIELD_CLIENT_AREA_OFFSET)
{
/* clientOffsetX (4 bytes) */
order_size += 4;
/* clientOffsetY (4 bytes) */
order_size += 4;
}
if (field_present_flags & WINDOW_ORDER_FIELD_CLIENT_AREA_SIZE)
{
/* clientAreaWidth (4 bytes) */
order_size += 4;
/* clientAreaHeight (4 bytes) */
order_size += 4;
}
if (field_present_flags & WINDOW_ORDER_FIELD_RP_CONTENT)
{
/* RPContent (1 byte) */
order_size += 1;
}
if (field_present_flags & WINDOW_ORDER_FIELD_ROOT_PARENT)
{
/* rootParentHandle (4 bytes) */
order_size += 4;
}
if (field_present_flags & WINDOW_ORDER_FIELD_WND_OFFSET)
{
/* windowOffsetX (4 bytes) */
order_size += 4;
/* windowOffsetY (4 bytes) */
order_size += 4;
}
if (field_present_flags & WINDOW_ORDER_FIELD_WND_CLIENT_DELTA)
{
/* windowClientDeltaX (4 bytes) */
order_size += 4;
/* windowClientDeltaY (4 bytes) */
order_size += 4;
}
if (field_present_flags & WINDOW_ORDER_FIELD_WND_SIZE)
{
/* windowWidth (4 bytes) */
order_size += 4;
/* windowHeight (4 bytes) */
order_size += 4;
}
if (field_present_flags & WINDOW_ORDER_FIELD_WND_RECTS)
{
/* numWindowRects (2 bytes) */
order_size += 2;
order_size += 8 * window_state->num_window_rects;
}
if (field_present_flags & WINDOW_ORDER_FIELD_VIS_OFFSET)
{
/* visibleOffsetX (4 bytes) */
order_size += 4;
/* visibleOffsetY (4 bytes) */
order_size += 4;
}
if (field_present_flags & WINDOW_ORDER_FIELD_VISIBILITY)
{
/* numVisibilityRects (2 bytes) */
order_size += 2;
order_size += 8 * window_state->num_visibility_rects;
}
xrdp_orders_check(self, order_size);
self->order_count++;
order_flags = RDP_ORDER_SECONDARY;
order_flags |= 0xb << 2; /* type TS_ALTSEC_WINDOW */
out_uint8(self->out_s, order_flags);
/* orderSize (2 bytes) */
out_uint16_le(self->out_s, order_size);
/* FieldsPresentFlags (4 bytes) */
out_uint32_le(self->out_s, field_present_flags);
/* windowId (4 bytes) */
out_uint32_le(self->out_s, window_id);
if (field_present_flags & WINDOW_ORDER_FIELD_OWNER)
{
/* ownerWindowId (4 bytes) */
out_uint32_le(self->out_s, window_state->owner_window_id);
}
if (field_present_flags & WINDOW_ORDER_FIELD_STYLE)
{
/* style (4 bytes) */
out_uint32_le(self->out_s, window_state->style);
/* extendedStyle (4 bytes) */
out_uint32_le(self->out_s, window_state->extended_style);
}
if (field_present_flags & WINDOW_ORDER_FIELD_SHOW)
{
/* showState (1 byte) */
out_uint8(self->out_s, window_state->show_state);
}
if (field_present_flags & WINDOW_ORDER_FIELD_TITLE)
{
/* titleInfo */
xrdp_orders_send_as_unicode(self->out_s, window_state->title_info);
}
if (field_present_flags & WINDOW_ORDER_FIELD_CLIENT_AREA_OFFSET)
{
/* clientOffsetX (4 bytes) */
out_uint32_le(self->out_s, window_state->client_offset_x);
/* clientOffsetY (4 bytes) */
out_uint32_le(self->out_s, window_state->client_offset_y);
}
if (field_present_flags & WINDOW_ORDER_FIELD_CLIENT_AREA_SIZE)
{
/* clientAreaWidth (4 bytes) */
out_uint32_le(self->out_s, window_state->client_area_width);
/* clientAreaHeight (4 bytes) */
out_uint32_le(self->out_s, window_state->client_area_height);
}
if (field_present_flags & WINDOW_ORDER_FIELD_RP_CONTENT)
{
/* RPContent (1 byte) */
out_uint8(self->out_s, window_state->rp_content);
}
if (field_present_flags & WINDOW_ORDER_FIELD_ROOT_PARENT)
{
/* rootParentHandle (4 bytes) */
out_uint32_le(self->out_s, window_state->root_parent_handle);
}
if (field_present_flags & WINDOW_ORDER_FIELD_WND_OFFSET)
{
/* windowOffsetX (4 bytes) */
out_uint32_le(self->out_s, window_state->window_offset_x);
/* windowOffsetY (4 bytes) */
out_uint32_le(self->out_s, window_state->window_offset_y);
}
if (field_present_flags & WINDOW_ORDER_FIELD_WND_CLIENT_DELTA)
{
/* windowClientDeltaX (4 bytes) */
out_uint32_le(self->out_s, window_state->window_client_delta_x);
/* windowClientDeltaY (4 bytes) */
out_uint32_le(self->out_s, window_state->window_client_delta_y);
}
if (field_present_flags & WINDOW_ORDER_FIELD_WND_SIZE)
{
/* windowWidth (4 bytes) */
out_uint32_le(self->out_s, window_state->window_width);
/* windowHeight (4 bytes) */
out_uint32_le(self->out_s, window_state->window_height);
}
if (field_present_flags & WINDOW_ORDER_FIELD_WND_RECTS)
{
/* numWindowRects (2 bytes) */
out_uint16_le(self->out_s, window_state->num_window_rects);
for (index = 0; index < window_state->num_window_rects; index++)
{
out_uint16_le(self->out_s, window_state->window_rects[index].left);
out_uint16_le(self->out_s, window_state->window_rects[index].top);
out_uint16_le(self->out_s, window_state->window_rects[index].right);
out_uint16_le(self->out_s, window_state->window_rects[index].bottom);
}
}
if (field_present_flags & WINDOW_ORDER_FIELD_VIS_OFFSET)
{
/* visibleOffsetX (4 bytes) */
out_uint32_le(self->out_s, window_state->visible_offset_x);
/* visibleOffsetY (4 bytes) */
out_uint32_le(self->out_s, window_state->visible_offset_y);
}
if (field_present_flags & WINDOW_ORDER_FIELD_VISIBILITY)
{
/* numVisibilityRects (2 bytes) */
out_uint16_le(self->out_s, window_state->num_visibility_rects);
for (index = 0; index < window_state->num_visibility_rects; index++)
{
out_uint16_le(self->out_s, window_state->visibility_rects[index].left);
out_uint16_le(self->out_s, window_state->visibility_rects[index].top);
out_uint16_le(self->out_s, window_state->visibility_rects[index].right);
out_uint16_le(self->out_s, window_state->visibility_rects[index].bottom);
}
}
return 0;
}
/*****************************************************************************/
/* RAIL */
/* returns error */
int APP_CC
xrdp_orders_send_notify_delete(struct xrdp_orders *self, int window_id,
int notify_id)
{
int order_size;
int order_flags;
int field_present_flags;
order_size = 15;
xrdp_orders_check(self, order_size);
self->order_count++;
order_flags = RDP_ORDER_SECONDARY;
order_flags |= 0xb << 2; /* type TS_ALTSEC_WINDOW */
out_uint8(self->out_s, order_flags);
/* orderSize (2 bytes) */
out_uint16_le(self->out_s, order_size);
/* FieldsPresentFlags (4 bytes) */
field_present_flags = WINDOW_ORDER_TYPE_NOTIFY | WINDOW_ORDER_STATE_DELETED;
out_uint32_le(self->out_s, field_present_flags);
/* windowId (4 bytes) */
out_uint32_le(self->out_s, window_id);
/* notifyIconId (4 bytes) */
out_uint32_le(self->out_s, notify_id);
return 0;
}
/*****************************************************************************/
/* RAIL */
/* returns error */
/* flags can contain WINDOW_ORDER_STATE_NEW */
int APP_CC
xrdp_orders_send_notify_new_update(struct xrdp_orders *self,
int window_id, int notify_id,
struct rail_notify_state_order *notify_state,
int flags)
{
int order_size;
int order_flags;
int field_present_flags;
int num_chars;
int use_cmap;
order_size = 15;
field_present_flags = flags | WINDOW_ORDER_TYPE_NOTIFY;
if (field_present_flags & WINDOW_ORDER_FIELD_NOTIFY_VERSION)
{
/* Version (4 bytes) */
order_size += 4;
}
if (field_present_flags & WINDOW_ORDER_FIELD_NOTIFY_TIP)
{
/* ToolTip (variable) UNICODE_STRING */
num_chars = g_mbstowcs(0, notify_state->tool_tip, 0);
order_size += 2 * num_chars + 2;
}
if (field_present_flags & WINDOW_ORDER_FIELD_NOTIFY_INFO_TIP)
{
/* InfoTip (variable) TS_NOTIFY_ICON_INFOTIP */
/* UNICODE_STRING */
num_chars = g_mbstowcs(0, notify_state->infotip.title, 0);
order_size += 2 * num_chars + 2;
/* UNICODE_STRING */
num_chars = g_mbstowcs(0, notify_state->infotip.text, 0);
order_size += 2 * num_chars + 2;
/* Timeout (4 bytes) */
/* InfoFlags (4 bytes) */
order_size += 8;
}
if (field_present_flags & WINDOW_ORDER_FIELD_NOTIFY_STATE)
{
/* State (4 bytes) */
order_size += 4;
}
if (field_present_flags & WINDOW_ORDER_ICON)
{
/* Icon (variable) */
use_cmap = 0;
if ((notify_state->icon_info.bpp == 1) || (notify_state->icon_info.bpp == 2) ||
(notify_state->icon_info.bpp == 4))
{
use_cmap = 1;
}
order_size += 12 + notify_state->icon_info.mask_bytes +
notify_state->icon_info.data_bytes;
if (use_cmap)
{
order_size += notify_state->icon_info.cmap_bytes + 2;
}
}
if (field_present_flags & WINDOW_ORDER_CACHED_ICON)
{
/* CachedIcon (3 bytes) */
order_size += 3;
}
xrdp_orders_check(self, order_size);
self->order_count++;
order_flags = RDP_ORDER_SECONDARY;
order_flags |= 0xb << 2; /* type TS_ALTSEC_WINDOW */
out_uint8(self->out_s, order_flags);
/* orderSize (2 bytes) */
out_uint16_le(self->out_s, order_size);
/* FieldsPresentFlags (4 bytes) */
out_uint32_le(self->out_s, field_present_flags);
/* windowId (4 bytes) */
out_uint32_le(self->out_s, window_id);
/* notifyIconId (4 bytes) */
out_uint32_le(self->out_s, notify_id);
if (field_present_flags & WINDOW_ORDER_FIELD_NOTIFY_VERSION)
{
/* Version (4 bytes) */
out_uint32_le(self->out_s, notify_state->version);
}
if (field_present_flags & WINDOW_ORDER_FIELD_NOTIFY_TIP)
{
/* ToolTip (variable) UNICODE_STRING */
xrdp_orders_send_as_unicode(self->out_s, notify_state->tool_tip);
}
if (field_present_flags & WINDOW_ORDER_FIELD_NOTIFY_INFO_TIP)
{
/* InfoTip (variable) TS_NOTIFY_ICON_INFOTIP */
out_uint32_le(self->out_s, notify_state->infotip.timeout);
out_uint32_le(self->out_s, notify_state->infotip.flags);
xrdp_orders_send_as_unicode(self->out_s, notify_state->infotip.text);
xrdp_orders_send_as_unicode(self->out_s, notify_state->infotip.title);
}
if (field_present_flags & WINDOW_ORDER_FIELD_NOTIFY_STATE)
{
/* State (4 bytes) */
out_uint32_le(self->out_s, notify_state->state);
}
if (field_present_flags & WINDOW_ORDER_ICON)
{
/* Icon (variable) */
xrdp_orders_send_ts_icon(self->out_s, notify_state->icon_cache_entry,
notify_state->icon_cache_id,
&notify_state->icon_info);
}
if (field_present_flags & WINDOW_ORDER_CACHED_ICON)
{
/* CacheEntry (2 bytes) */
out_uint16_le(self->out_s, notify_state->icon_cache_entry);
/* CacheId (1 byte) */
out_uint8(self->out_s, notify_state->icon_cache_id);
}
return 0;
}
/*****************************************************************************/
/* RAIL */
/* returns error */
/* used for both Non-Monitored Desktop and Actively Monitored Desktop */
int APP_CC
xrdp_orders_send_monitored_desktop(struct xrdp_orders *self,
struct rail_monitored_desktop_order *mdo,
int flags)
{
int order_size;
int order_flags;
int field_present_flags;
int index;
order_size = 7;
field_present_flags = flags | WINDOW_ORDER_TYPE_DESKTOP;
if (field_present_flags & WINDOW_ORDER_FIELD_DESKTOP_ACTIVE_WND)
{
/* ActiveWindowId (4 bytes) */
order_size += 4;
}
if (field_present_flags & WINDOW_ORDER_FIELD_DESKTOP_ZORDER)
{
/* NumWindowIds (1 byte) */
order_size += 1;
/* WindowIds (variable) */
order_size += mdo->num_window_ids * 4;
}
xrdp_orders_check(self, order_size);
self->order_count++;
order_flags = RDP_ORDER_SECONDARY;
order_flags |= 0xb << 2; /* type TS_ALTSEC_WINDOW */
out_uint8(self->out_s, order_flags);
/* orderSize (2 bytes) */
out_uint16_le(self->out_s, order_size);
/* FieldsPresentFlags (4 bytes) */
out_uint32_le(self->out_s, field_present_flags);
if (field_present_flags & WINDOW_ORDER_FIELD_DESKTOP_ACTIVE_WND)
{
/* ActiveWindowId (4 bytes) */
out_uint32_le(self->out_s, mdo->active_window_id);
}
if (field_present_flags & WINDOW_ORDER_FIELD_DESKTOP_ZORDER)
{
/* NumWindowIds (1 byte) */
out_uint8(self->out_s, mdo->num_window_ids);
/* WindowIds (variable) */
for (index = 0; index < mdo->num_window_ids; index++)
{
out_uint32_le(self->out_s, mdo->window_ids[index]);
}
}
return 0;
}
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