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xrdp/xup/xup.c

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/**
* xrdp: A Remote Desktop Protocol server.
*
* Copyright (C) Jay Sorg 2004-2015
*
* 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.
*
* libxup main file
*/
#if defined(HAVE_CONFIG_H)
#include <config_ac.h>
#endif
#include "xup.h"
#include "log.h"
#include "trans.h"
#include "string_calls.h"
#include "scancode.h"
static int
send_server_monitor_update(struct mod *v, struct stream *s,
int width, int height,
int num_monitors,
const struct monitor_info *monitors);
static int
send_server_monitor_full_invalidate(
struct mod *mod, struct stream *s, int width, int height);
static int
send_server_version_message(struct mod *v, struct stream *s);
static int
lib_mod_process_message(struct mod *mod, struct stream *s);
/******************************************************************************/
static int
lib_send_copy(struct mod *mod, struct stream *s)
{
return trans_write_copy_s(mod->trans, s);
}
/******************************************************************************/
/* return error */
static int
lib_mod_start(struct mod *mod, int w, int h, int bpp)
{
LOG_DEVEL(LOG_LEVEL_TRACE, "in lib_mod_start");
mod->width = w;
mod->height = h;
mod->bpp = bpp;
LOG_DEVEL(LOG_LEVEL_TRACE, "out lib_mod_start");
return 0;
}
/******************************************************************************/
static int
lib_mod_log_peer(struct mod *mod)
{
int my_pid;
int pid;
int uid;
int gid;
my_pid = g_getpid();
if (g_sck_get_peer_cred(mod->trans->sck, &pid, &uid, &gid) == 0)
{
LOG(LOG_LEVEL_INFO, "lib_mod_log_peer: xrdp_pid=%d connected "
"to Xorg_pid=%d Xorg_uid=%d Xorg_gid=%d "
"client=%s",
my_pid, pid, uid, gid,
mod->client_info.client_description);
}
else
{
LOG(LOG_LEVEL_ERROR, "lib_mod_log_peer: g_sck_get_peer_cred "
"failed");
}
return 0;
}
/******************************************************************************/
static int
lib_data_in(struct trans *trans)
{
struct mod *self;
struct stream *s;
int len;
LOG_DEVEL(LOG_LEVEL_TRACE, "lib_data_in:");
if (trans == 0)
{
return 1;
}
self = (struct mod *)(trans->callback_data);
s = trans_get_in_s(trans);
if (s == 0)
{
return 1;
}
switch (trans->extra_flags)
{
case 1:
s->p = s->data;
in_uint8s(s, 4); /* processed later in lib_mod_process_message */
in_uint32_le(s, len);
if (len < 0 || len > 128 * 1024)
{
LOG(LOG_LEVEL_ERROR, "lib_data_in: bad size");
return 1;
}
if (len > 0)
{
trans->header_size = len + 8;
trans->extra_flags = 2;
break;
}
/* fall through */
case 2:
s->p = s->data;
if (lib_mod_process_message(self, s) != 0)
{
LOG(LOG_LEVEL_ERROR, "lib_data_in: lib_mod_process_message failed");
return 1;
}
init_stream(s, 0);
trans->header_size = 8;
trans->extra_flags = 1;
break;
}
return 0;
}
/******************************************************************************/
/* return error */
static int
lib_mod_connect(struct mod *mod)
{
int error;
int socket_mode;
struct stream *s;
char con_port[256];
mod->server_msg(mod, "started connecting", 0);
/* only support 8, 15, 16, 24, and 32 bpp connections from rdp client */
if (mod->bpp != 8
&& mod->bpp != 15
&& mod->bpp != 16
&& mod->bpp != 24
&& mod->bpp != 32)
{
mod->server_msg(mod,
"error - only supporting 8, 15, 16, 24, and 32"
" bpp rdp connections", 0);
return 1;
}
// This is a good place to finalise any parameters that need to
// be set.
//
// Load the XKB layout
if (mod->keycode_set[0] != '\0')
{
if (scancode_set_keycode_set(mod->keycode_set) == 0)
{
LOG(LOG_LEVEL_INFO, "Loaded '%s' keycode set", mod->keycode_set);
}
else
{
LOG(LOG_LEVEL_WARNING, "Unable to load '%s' keycode set",
mod->keycode_set);
}
}
mod->server_init_xkb_layout(mod, &(mod->client_info));
LOG(LOG_LEVEL_INFO, "XKB rules '%s' will be used by the module",
mod->client_info.xkb_rules);
make_stream(s);
g_sprintf(con_port, "%s", mod->port);
error = 0;
mod->sck_closed = 0;
if (con_port[0] == '/')
{
socket_mode = TRANS_MODE_UNIX;
LOG(LOG_LEVEL_INFO, "lib_mod_connect: connecting via UNIX socket");
}
else
{
socket_mode = TRANS_MODE_TCP;
LOG(LOG_LEVEL_INFO, "lib_mod_connect: connecting via TCP socket");
if (g_strcmp(mod->ip, "") == 0)
{
mod->server_msg(mod, "error - no ip set", 0);
free_stream(s);
return 1;
}
}
mod->trans = trans_create(socket_mode, 8 * 8192, 8192);
if (mod->trans == 0)
{
free_stream(s);
return 1;
}
mod->trans->si = mod->si;
mod->trans->my_source = XRDP_SOURCE_MOD;
mod->trans->is_term = mod->server_is_term;
/* Give the X server a bit of time to start */
if (trans_connect(mod->trans, mod->ip, con_port, 30 * 1000) == 0)
{
LOG_DEVEL(LOG_LEVEL_INFO, "lib_mod_connect: connected to Xserver "
"(Xorg) sck %lld",
(long long) (mod->trans->sck));
}
else
{
mod->server_msg(mod, "connection problem, giving up", 0);
error = 1;
}
if (error == 0 && socket_mode == TRANS_MODE_UNIX)
{
lib_mod_log_peer(mod);
}
if (error == 0)
{
error = send_server_version_message(mod, s);
}
if (error == 0)
{
error = send_server_monitor_full_invalidate(
mod, s, mod->width, mod->height);
}
free_stream(s);
if (error != 0)
{
trans_delete(mod->trans);
mod->trans = 0;
mod->server_msg(mod, "some problem", 0);
return 1;
}
else
{
mod->server_msg(mod, "connected ok", 0);
mod->trans->trans_data_in = lib_data_in;
mod->trans->header_size = 8;
mod->trans->callback_data = mod;
mod->trans->no_stream_init_on_data_in = 1;
mod->trans->extra_flags = 1;
}
LOG_DEVEL(LOG_LEVEL_TRACE, "out lib_mod_connect");
return 0;
}
/******************************************************************************/
/* return error */
static int
lib_mod_event(struct mod *mod, int msg, tbus param1, tbus param2,
tbus param3, tbus param4)
{
struct stream *s;
int len;
int key;
int rv;
int scancode;
LOG_DEVEL(LOG_LEVEL_TRACE, "in lib_mod_event");
make_stream(s);
if ((msg >= 15) && (msg <= 16)) /* key events */
{
key = param2;
if (key > 0)
{
if (key == 65027) /* altgr */
{
if (mod->shift_state)
{
LOG_DEVEL(LOG_LEVEL_TRACE, "special");
/* fix for mstsc sending left control down with altgr */
/* control down / up
msg param1 param2 param3 param4
15 0 65507 29 0
16 0 65507 29 49152 */
init_stream(s, 8192);
s_push_layer(s, iso_hdr, 4);
out_uint16_le(s, 103);
out_uint32_le(s, 16); /* key up */
out_uint32_le(s, 0);
out_uint32_le(s, 65507); /* left control */
out_uint32_le(s, 29); /* RDP scan code */
out_uint32_le(s, 0xc000); /* flags */
s_mark_end(s);
len = (int)(s->end - s->data);
s_pop_layer(s, iso_hdr);
out_uint32_le(s, len);
lib_send_copy(mod, s);
}
}
if (key == 65507) /* left control */
{
mod->shift_state = msg == 15;
}
}
/* xup doesn't need the Unicode character mapping in param1. Send
* the X11 scancode instead, so xorgxrdp doesn't have to do this
* work again */
scancode = SCANCODE_FROM_KBD_EVENT(param3, param4);
param1 = scancode_to_x11_keycode(scancode);
}
init_stream(s, 8192);
s_push_layer(s, iso_hdr, 4);
out_uint16_le(s, 103);
out_uint32_le(s, msg);
out_uint32_le(s, param1);
out_uint32_le(s, param2);
out_uint32_le(s, param3);
out_uint32_le(s, param4);
s_mark_end(s);
len = (int)(s->end - s->data);
s_pop_layer(s, iso_hdr);
out_uint32_le(s, len);
rv = lib_send_copy(mod, s);
free_stream(s);
LOG_DEVEL(LOG_LEVEL_TRACE, "out lib_mod_event");
return rv;
}
/******************************************************************************/
/* return error */
static int
process_server_fill_rect(struct mod *mod, struct stream *s)
{
int rv;
int x;
int y;
int cx;
int cy;
in_sint16_le(s, x);
in_sint16_le(s, y);
in_uint16_le(s, cx);
in_uint16_le(s, cy);
rv = mod->server_fill_rect(mod, x, y, cx, cy);
return rv;
}
/******************************************************************************/
/* return error */
static int
process_server_screen_blt(struct mod *mod, struct stream *s)
{
int rv;
int x;
int y;
int cx;
int cy;
int srcx;
int srcy;
in_sint16_le(s, x);
in_sint16_le(s, y);
in_uint16_le(s, cx);
in_uint16_le(s, cy);
in_sint16_le(s, srcx);
in_sint16_le(s, srcy);
rv = mod->server_screen_blt(mod, x, y, cx, cy, srcx, srcy);
return rv;
}
/******************************************************************************/
/* return error */
static int
process_server_paint_rect(struct mod *mod, struct stream *s)
{
int rv;
int x;
int y;
int cx;
int cy;
int len_bmpdata;
char *bmpdata;
int width;
int height;
int srcx;
int srcy;
in_sint16_le(s, x);
in_sint16_le(s, y);
in_uint16_le(s, cx);
in_uint16_le(s, cy);
in_uint32_le(s, len_bmpdata);
in_uint8p(s, bmpdata, len_bmpdata);
in_uint16_le(s, width);
in_uint16_le(s, height);
in_sint16_le(s, srcx);
in_sint16_le(s, srcy);
rv = mod->server_paint_rect(mod, x, y, cx, cy,
bmpdata, width, height,
srcx, srcy);
return rv;
}
/******************************************************************************/
/* return error */
static int
process_server_set_clip(struct mod *mod, struct stream *s)
{
int rv;
int x;
int y;
int cx;
int cy;
in_sint16_le(s, x);
in_sint16_le(s, y);
in_uint16_le(s, cx);
in_uint16_le(s, cy);
rv = mod->server_set_clip(mod, x, y, cx, cy);
return rv;
}
/******************************************************************************/
/* return error */
static int
process_server_reset_clip(struct mod *mod, struct stream *s)
{
int rv;
rv = mod->server_reset_clip(mod);
return rv;
}
/******************************************************************************/
/* return error */
static int
process_server_set_fgcolor(struct mod *mod, struct stream *s)
{
int rv;
int fgcolor;
in_uint32_le(s, fgcolor);
rv = mod->server_set_fgcolor(mod, fgcolor);
return rv;
}
/******************************************************************************/
/* return error */
static int
process_server_set_bgcolor(struct mod *mod, struct stream *s)
{
int rv;
int bgcolor;
in_uint32_le(s, bgcolor);
rv = mod->server_set_bgcolor(mod, bgcolor);
return rv;
}
/******************************************************************************/
/* return error */
static int
process_server_set_opcode(struct mod *mod, struct stream *s)
{
int rv;
int opcode;
in_uint16_le(s, opcode);
rv = mod->server_set_opcode(mod, opcode);
return rv;
}
/******************************************************************************/
/* return error */
static int
process_server_set_pen(struct mod *mod, struct stream *s)
{
int rv;
int style;
int width;
in_uint16_le(s, style);
in_uint16_le(s, width);
rv = mod->server_set_pen(mod, style, width);
return rv;
}
/******************************************************************************/
/* return error */
static int
process_server_draw_line(struct mod *mod, struct stream *s)
{
int rv;
int x1;
int y1;
int x2;
int y2;
in_sint16_le(s, x1);
in_sint16_le(s, y1);
in_sint16_le(s, x2);
in_sint16_le(s, y2);
rv = mod->server_draw_line(mod, x1, y1, x2, y2);
return rv;
}
/******************************************************************************/
/* return error */
static int
process_server_set_cursor(struct mod *mod, struct stream *s)
{
int rv;
int x;
int y;
char cur_data[32 * (32 * 3)];
char cur_mask[32 * (32 / 8)];
in_sint16_le(s, x);
in_sint16_le(s, y);
in_uint8a(s, cur_data, 32 * (32 * 3));
in_uint8a(s, cur_mask, 32 * (32 / 8));
rv = mod->server_set_cursor(mod, x, y, cur_data, cur_mask);
return rv;
}
/******************************************************************************/
/* return error */
static int
process_server_create_os_surface(struct mod *mod, struct stream *s)
{
int rv;
int rdpid;
int width;
int height;
in_uint32_le(s, rdpid);
in_uint16_le(s, width);
in_uint16_le(s, height);
rv = mod->server_create_os_surface(mod, rdpid, width, height);
return rv;
}
/******************************************************************************/
/* return error */
static int
process_server_switch_os_surface(struct mod *mod, struct stream *s)
{
int rv;
int rdpid;
in_uint32_le(s, rdpid);
rv = mod->server_switch_os_surface(mod, rdpid);
return rv;
}
/******************************************************************************/
/* return error */
static int
process_server_delete_os_surface(struct mod *mod, struct stream *s)
{
int rv;
int rdpid;
in_uint32_le(s, rdpid);
rv = mod->server_delete_os_surface(mod, rdpid);
return rv;
}
/******************************************************************************/
/* return error */
static int
process_server_paint_rect_os(struct mod *mod, struct stream *s)
{
int rv;
int x;
int y;
int cx;
int cy;
int rdpid;
int srcx;
int srcy;
in_sint16_le(s, x);
in_sint16_le(s, y);
in_uint16_le(s, cx);
in_uint16_le(s, cy);
in_uint32_le(s, rdpid);
in_sint16_le(s, srcx);
in_sint16_le(s, srcy);
rv = mod->server_paint_rect_os(mod, x, y, cx, cy,
rdpid, srcx, srcy);
return rv;
}
/******************************************************************************/
/* return error */
static int
process_server_set_hints(struct mod *mod, struct stream *s)
{
int rv;
int hints;
int mask;
in_uint32_le(s, hints);
in_uint32_le(s, mask);
rv = mod->server_set_hints(mod, hints, mask);
return rv;
}
/******************************************************************************/
/* return error */
static int
process_server_window_new_update(struct mod *mod, struct stream *s)
{
int flags;
int window_id;
int title_bytes;
int index;
int bytes;
int rv;
struct rail_window_state_order rwso;
g_memset(&rwso, 0, sizeof(rwso));
in_uint32_le(s, window_id);
in_uint32_le(s, rwso.owner_window_id);
in_uint32_le(s, rwso.style);
in_uint32_le(s, rwso.extended_style);
in_uint32_le(s, rwso.show_state);
in_uint16_le(s, title_bytes);
if (title_bytes > 0)
{
rwso.title_info = g_new(char, title_bytes + 1);
in_uint8a(s, rwso.title_info, title_bytes);
rwso.title_info[title_bytes] = 0;
}
in_uint32_le(s, rwso.client_offset_x);
in_uint32_le(s, rwso.client_offset_y);
in_uint32_le(s, rwso.client_area_width);
in_uint32_le(s, rwso.client_area_height);
in_uint32_le(s, rwso.rp_content);
in_uint32_le(s, rwso.root_parent_handle);
in_uint32_le(s, rwso.window_offset_x);
in_uint32_le(s, rwso.window_offset_y);
in_uint32_le(s, rwso.window_client_delta_x);
in_uint32_le(s, rwso.window_client_delta_y);
in_uint32_le(s, rwso.window_width);
in_uint32_le(s, rwso.window_height);
in_uint16_le(s, rwso.num_window_rects);
if (rwso.num_window_rects > 0)
{
bytes = sizeof(struct rail_window_rect) * rwso.num_window_rects;
rwso.window_rects = (struct rail_window_rect *)g_malloc(bytes, 0);
for (index = 0; index < rwso.num_window_rects; index++)
{
in_uint16_le(s, rwso.window_rects[index].left);
in_uint16_le(s, rwso.window_rects[index].top);
in_uint16_le(s, rwso.window_rects[index].right);
in_uint16_le(s, rwso.window_rects[index].bottom);
}
}
in_uint32_le(s, rwso.visible_offset_x);
in_uint32_le(s, rwso.visible_offset_y);
in_uint16_le(s, rwso.num_visibility_rects);
if (rwso.num_visibility_rects > 0)
{
bytes = sizeof(struct rail_window_rect) * rwso.num_visibility_rects;
rwso.visibility_rects = (struct rail_window_rect *)g_malloc(bytes, 0);
for (index = 0; index < rwso.num_visibility_rects; index++)
{
in_uint16_le(s, rwso.visibility_rects[index].left);
in_uint16_le(s, rwso.visibility_rects[index].top);
in_uint16_le(s, rwso.visibility_rects[index].right);
in_uint16_le(s, rwso.visibility_rects[index].bottom);
}
}
in_uint32_le(s, flags);
mod->server_window_new_update(mod, window_id, &rwso, flags);
rv = 0;
g_free(rwso.title_info);
g_free(rwso.window_rects);
g_free(rwso.visibility_rects);
return rv;
}
/******************************************************************************/
/* return error */
static int
process_server_window_delete(struct mod *mod, struct stream *s)
{
int window_id;
int rv;
in_uint32_le(s, window_id);
mod->server_window_delete(mod, window_id);
rv = 0;
return rv;
}
/******************************************************************************/
/* return error */
static int
process_server_window_show(struct mod *mod, struct stream *s)
{
int window_id;
int rv;
int flags;
struct rail_window_state_order rwso;
g_memset(&rwso, 0, sizeof(rwso));
in_uint32_le(s, window_id);
in_uint32_le(s, flags);
in_uint32_le(s, rwso.show_state);
mod->server_window_new_update(mod, window_id, &rwso, flags);
rv = 0;
return rv;
}
/******************************************************************************/
/* return error */
static int
process_server_add_char(struct mod *mod, struct stream *s)
{
int rv;
int font;
int character;
int x;
int y;
int cx;
int cy;
int len_bmpdata;
char *bmpdata;
in_uint16_le(s, font);
in_uint16_le(s, character);
in_sint16_le(s, x);
in_sint16_le(s, y);
in_uint16_le(s, cx);
in_uint16_le(s, cy);
in_uint16_le(s, len_bmpdata);
in_uint8p(s, bmpdata, len_bmpdata);
rv = mod->server_add_char(mod, font, character, x, y, cx, cy, bmpdata);
return rv;
}
/******************************************************************************/
/* return error */
static int
process_server_add_char_alpha(struct mod *mod, struct stream *s)
{
int rv;
int font;
int character;
int x;
int y;
int cx;
int cy;
int len_bmpdata;
char *bmpdata;
in_uint16_le(s, font);
in_uint16_le(s, character);
in_sint16_le(s, x);
in_sint16_le(s, y);
in_uint16_le(s, cx);
in_uint16_le(s, cy);
in_uint16_le(s, len_bmpdata);
in_uint8p(s, bmpdata, len_bmpdata);
rv = mod->server_add_char_alpha(mod, font, character, x, y, cx, cy,
bmpdata);
return rv;
}
/******************************************************************************/
/* return error */
static int
process_server_draw_text(struct mod *mod, struct stream *s)
{
int rv;
int font;
int flags;
int mixmode;
int clip_left;
int clip_top;
int clip_right;
int clip_bottom;
int box_left;
int box_top;
int box_right;
int box_bottom;
int x;
int y;
int len_bmpdata;
char *bmpdata;
in_uint16_le(s, font);
in_uint16_le(s, flags);
in_uint16_le(s, mixmode);
in_sint16_le(s, clip_left);
in_sint16_le(s, clip_top);
in_sint16_le(s, clip_right);
in_sint16_le(s, clip_bottom);
in_sint16_le(s, box_left);
in_sint16_le(s, box_top);
in_sint16_le(s, box_right);
in_sint16_le(s, box_bottom);
in_sint16_le(s, x);
in_sint16_le(s, y);
in_uint16_le(s, len_bmpdata);
in_uint8p(s, bmpdata, len_bmpdata);
rv = mod->server_draw_text(mod, font, flags, mixmode, clip_left, clip_top,
clip_right, clip_bottom, box_left, box_top,
box_right, box_bottom, x, y, bmpdata, len_bmpdata);
return rv;
}
/******************************************************************************/
/* return error */
static int
process_server_create_os_surface_bpp(struct mod *mod, struct stream *s)
{
int rv;
int rdpid;
int width;
int height;
int bpp;
in_uint32_le(s, rdpid);
in_uint16_le(s, width);
in_uint16_le(s, height);
in_uint8(s, bpp);
rv = mod->server_create_os_surface_bpp(mod, rdpid, width, height, bpp);
return rv;
}
/******************************************************************************/
/* return error */
static int
process_server_paint_rect_bpp(struct mod *mod, struct stream *s)
{
int rv;
int x;
int y;
int cx;
int cy;
int len_bmpdata;
char *bmpdata;
int width;
int height;
int srcx;
int srcy;
int bpp;
in_sint16_le(s, x);
in_sint16_le(s, y);
in_uint16_le(s, cx);
in_uint16_le(s, cy);
in_uint32_le(s, len_bmpdata);
in_uint8p(s, bmpdata, len_bmpdata);
in_uint16_le(s, width);
in_uint16_le(s, height);
in_sint16_le(s, srcx);
in_sint16_le(s, srcy);
in_uint8(s, bpp);
rv = mod->server_paint_rect_bpp(mod, x, y, cx, cy,
bmpdata, width, height,
srcx, srcy, bpp);
return rv;
}
/******************************************************************************/
/* return error */
static int
process_server_composite(struct mod *mod, struct stream *s)
{
int rv;
int srcidx;
int srcformat;
int srcwidth;
int srcrepeat;
int transform[10];
int mskflags;
int mskidx;
int mskformat;
int mskwidth;
int mskrepeat;
int op;
int srcx;
int srcy;
int mskx;
int msky;
int dstx;
int dsty;
int width;
int height;
int dstformat;
in_uint16_le(s, srcidx);
in_uint32_le(s, srcformat);
in_uint16_le(s, srcwidth);
in_uint8(s, srcrepeat);
g_memcpy(transform, s->p, 40);
in_uint8s(s, 40);
in_uint8(s, mskflags);
in_uint16_le(s, mskidx);
in_uint32_le(s, mskformat);
in_uint16_le(s, mskwidth);
in_uint8(s, mskrepeat);
in_uint8(s, op);
in_sint16_le(s, srcx);
in_sint16_le(s, srcy);
in_sint16_le(s, mskx);
in_sint16_le(s, msky);
in_sint16_le(s, dstx);
in_sint16_le(s, dsty);
in_uint16_le(s, width);
in_uint16_le(s, height);
in_uint32_le(s, dstformat);
rv = mod->server_composite(mod, srcidx, srcformat, srcwidth, srcrepeat,
transform, mskflags, mskidx, mskformat,
mskwidth, mskrepeat, op, srcx, srcy, mskx, msky,
dstx, dsty, width, height, dstformat);
return rv;
}
/******************************************************************************/
/* return error */
static int
process_server_set_pointer_ex(struct mod *mod, struct stream *s)
{
int rv;
int x;
int y;
int bpp;
int Bpp;
char cur_data[32 * (32 * 4)];
char cur_mask[32 * (32 / 8)];
in_sint16_le(s, x);
in_sint16_le(s, y);
in_uint16_le(s, bpp);
Bpp = (bpp == 0) ? 3 : (bpp + 7) / 8;
in_uint8a(s, cur_data, 32 * (32 * Bpp));
in_uint8a(s, cur_mask, 32 * (32 / 8));
rv = mod->server_set_cursor_ex(mod, x, y, cur_data, cur_mask, bpp);
return rv;
}
/******************************************************************************/
/* return error */
static int
send_paint_rect_ack(struct mod *mod, int flags, int x, int y, int cx, int cy,
int frame_id)
{
int len;
struct stream *s;
make_stream(s);
init_stream(s, 8192);
s_push_layer(s, iso_hdr, 4);
out_uint16_le(s, 105);
out_uint32_le(s, flags);
out_uint32_le(s, frame_id);
out_uint32_le(s, x);
out_uint32_le(s, y);
out_uint32_le(s, cx);
out_uint32_le(s, cy);
s_mark_end(s);
len = (int)(s->end - s->data);
s_pop_layer(s, iso_hdr);
out_uint32_le(s, len);
lib_send_copy(mod, s);
free_stream(s);
return 0;
}
/******************************************************************************/
/* return error */
static int
process_server_paint_rect_shmem(struct mod *amod, struct stream *s)
{
int rv;
int x;
int y;
int cx;
int cy;
int flags;
int frame_id;
int shmem_id;
int shmem_offset;
int width;
int height;
int srcx;
int srcy;
char *bmpdata;
in_sint16_le(s, x);
in_sint16_le(s, y);
in_uint16_le(s, cx);
in_uint16_le(s, cy);
in_uint32_le(s, flags);
in_uint32_le(s, frame_id);
in_uint32_le(s, shmem_id);
in_uint32_le(s, shmem_offset);
in_uint16_le(s, width);
in_uint16_le(s, height);
in_sint16_le(s, srcx);
in_sint16_le(s, srcy);
bmpdata = 0;
rv = 0;
if (amod->screen_shmem_id_mapped == 0)
{
amod->screen_shmem_id = shmem_id;
amod->screen_shmem_pixels = (char *) g_shmat(amod->screen_shmem_id);
if (amod->screen_shmem_pixels == (void *) -1)
{
/* failed */
amod->screen_shmem_id = 0;
amod->screen_shmem_pixels = 0;
amod->screen_shmem_id_mapped = 0;
}
else
{
amod->screen_shmem_id_mapped = 1;
}
}
else if (amod->screen_shmem_id != shmem_id)
{
amod->screen_shmem_id = shmem_id;
g_shmdt(amod->screen_shmem_pixels);
amod->screen_shmem_pixels = (char *) g_shmat(amod->screen_shmem_id);
if (amod->screen_shmem_pixels == (void *) -1)
{
/* failed */
amod->screen_shmem_id = 0;
amod->screen_shmem_pixels = 0;
amod->screen_shmem_id_mapped = 0;
}
}
if (amod->screen_shmem_pixels != 0)
{
bmpdata = amod->screen_shmem_pixels + shmem_offset;
}
if (bmpdata != 0)
{
rv = amod->server_paint_rect(amod, x, y, cx, cy,
bmpdata, width, height,
srcx, srcy);
}
send_paint_rect_ack(amod, flags, x, y, cx, cy, frame_id);
return rv;
}
/******************************************************************************/
/* return error */
static int
send_paint_rect_ex_ack(struct mod *mod, int flags, int frame_id)
{
int len;
struct stream *s;
make_stream(s);
init_stream(s, 8192);
s_push_layer(s, iso_hdr, 4);
out_uint16_le(s, 106);
out_uint32_le(s, flags);
out_uint32_le(s, frame_id);
s_mark_end(s);
len = (int)(s->end - s->data);
s_pop_layer(s, iso_hdr);
out_uint32_le(s, len);
lib_send_copy(mod, s);
free_stream(s);
return 0;
}
/******************************************************************************/
/* return error */
static int
send_suppress_output(struct mod *mod, int suppress,
int left, int top, int right, int bottom)
{
int len;
struct stream *s;
make_stream(s);
init_stream(s, 8192);
s_push_layer(s, iso_hdr, 4);
out_uint16_le(s, 108);
out_uint32_le(s, suppress);
out_uint32_le(s, left);
out_uint32_le(s, top);
out_uint32_le(s, right);
out_uint32_le(s, bottom);
s_mark_end(s);
len = (int)(s->end - s->data);
s_pop_layer(s, iso_hdr);
out_uint32_le(s, len);
lib_send_copy(mod, s);
free_stream(s);
return 0;
}
/******************************************************************************/
/* return error */
static int
process_server_paint_rect_shmem_ex(struct mod *amod, struct stream *s)
{
LOG(LOG_LEVEL_TRACE, "process_server_paint_rect_shmem_ex:");
int num_drects;
int num_crects;
int flags;
int frame_id;
int shmem_id;
int shmem_offset;
int width;
int height;
int index;
int rv;
tsi16 *ldrects;
tsi16 *ldrects1;
tsi16 *lcrects;
tsi16 *lcrects1;
char *bmpdata;
/* dirty pixels */
in_uint16_le(s, num_drects);
ldrects = (tsi16 *) g_malloc(2 * 4 * num_drects, 0);
ldrects1 = ldrects;
for (index = 0; index < num_drects; index++)
{
in_sint16_le(s, ldrects1[0]);
in_sint16_le(s, ldrects1[1]);
in_sint16_le(s, ldrects1[2]);
in_sint16_le(s, ldrects1[3]);
ldrects1 += 4;
}
/* copied pixels */
in_uint16_le(s, num_crects);
lcrects = (tsi16 *) g_malloc(2 * 4 * num_crects, 0);
lcrects1 = lcrects;
for (index = 0; index < num_crects; index++)
{
in_sint16_le(s, lcrects1[0]);
in_sint16_le(s, lcrects1[1]);
in_sint16_le(s, lcrects1[2]);
in_sint16_le(s, lcrects1[3]);
lcrects1 += 4;
}
in_uint32_le(s, flags);
in_uint32_le(s, frame_id);
in_uint32_le(s, shmem_id);
in_uint32_le(s, shmem_offset);
in_uint16_le(s, width);
in_uint16_le(s, height);
bmpdata = 0;
if (amod->screen_shmem_id_mapped == 0)
{
amod->screen_shmem_id = shmem_id;
amod->screen_shmem_pixels = (char *) g_shmat(amod->screen_shmem_id);
if (amod->screen_shmem_pixels == (void *) -1)
{
/* failed */
amod->screen_shmem_id = 0;
amod->screen_shmem_pixels = 0;
amod->screen_shmem_id_mapped = 0;
}
else
{
amod->screen_shmem_id_mapped = 1;
}
}
else if (amod->screen_shmem_id != shmem_id)
{
amod->screen_shmem_id = shmem_id;
g_shmdt(amod->screen_shmem_pixels);
amod->screen_shmem_pixels = (char *) g_shmat(amod->screen_shmem_id);
if (amod->screen_shmem_pixels == (void *) -1)
{
/* failed */
amod->screen_shmem_id = 0;
amod->screen_shmem_pixels = 0;
amod->screen_shmem_id_mapped = 0;
}
}
else
{
LOG_DEVEL(LOG_LEVEL_ERROR, "process_server_paint_rect_shmem_ex:"
" flags=%d frame_id=%d, shmem_id=%d, shmem_offset=%d,"
" width=%d, height=%d",
flags, frame_id, shmem_id, shmem_offset,
width, height);
}
if (amod->screen_shmem_pixels != 0)
{
bmpdata = amod->screen_shmem_pixels + shmem_offset;
}
if (bmpdata != 0)
{
rv = amod->server_paint_rects(amod, num_drects, ldrects,
num_crects, lcrects,
bmpdata, width, height,
flags, frame_id);
}
else
{
rv = 1;
}
g_free(lcrects);
g_free(ldrects);
return rv;
}
/******************************************************************************/
/* return error */
static int
process_server_egfx_shmfd(struct mod *amod, struct stream *s)
{
char *data;
char *cmd;
int rv;
int cmd_bytes;
int shmem_bytes;
int fd;
int recv_bytes;
unsigned int num_fds;
void *shmem_ptr;
char msg[4];
rv = 0;
in_uint32_le(s, cmd_bytes);
in_uint8p(s, cmd, cmd_bytes);
in_uint32_le(s, shmem_bytes);
if (shmem_bytes == 0)
{
return amod->server_egfx_cmd(amod, cmd, cmd_bytes, NULL, 0);
}
fd = -1;
num_fds = -1;
if (g_tcp_can_recv(amod->trans->sck, 5000) == 0)
{
return 1;
}
recv_bytes = g_sck_recv_fd_set(amod->trans->sck, msg, 4, &fd, 1, &num_fds);
LOG_DEVEL(LOG_LEVEL_DEBUG, "process_server_egfx_shmfd: "
"g_sck_recv_fd_set rv %d fd %d", recv_bytes, fd);
if (recv_bytes == 4)
{
if (num_fds == 1)
{
if (g_file_map(fd, 1, 0, shmem_bytes, &shmem_ptr) == 0)
{
/* we give up ownership of shmem_ptr
will get cleaned up in server_egfx_cmd or
xrdp_mm_process_enc_done(gfx) */
data = (char *) shmem_ptr;
rv = amod->server_egfx_cmd(amod, cmd, cmd_bytes,
data, shmem_bytes);
}
g_file_close(fd);
}
}
return rv;
}
/******************************************************************************/
/* return error */
static int
process_server_set_pointer_shmfd(struct mod *amod, struct stream *s)
{
int rv;
int x;
int y;
int bpp;
int Bpp;
int width;
int height;
int fd;
int recv_bytes;
int shmembytes;
unsigned int num_fds;
void *shmemptr;
char *cur_data;
char *cur_mask;
char msg[4];
rv = 0;
in_sint16_le(s, x);
in_sint16_le(s, y);
in_uint16_le(s, bpp);
in_uint16_le(s, width);
in_uint16_le(s, height);
fd = -1;
num_fds = -1;
if (g_tcp_can_recv(amod->trans->sck, 5000) == 0)
{
return 1;
}
recv_bytes = g_sck_recv_fd_set(amod->trans->sck, msg, 4, &fd, 1, &num_fds);
LOG_DEVEL(LOG_LEVEL_DEBUG, "process_server_set_pointer_shmfd: "
"g_sck_recv_fd_set rv %d fd %d", recv_bytes, fd);
if (recv_bytes == 4)
{
if (num_fds == 1)
{
Bpp = (bpp == 0) ? 3 : (bpp + 7) / 8;
shmembytes = width * height * Bpp + width * height / 8;
if (g_file_map(fd, 1, 0, shmembytes, &shmemptr) == 0)
{
cur_data = (char *)shmemptr;
cur_mask = cur_data + width * height * Bpp;
rv = amod->server_set_pointer_large(amod, x, y,
cur_data, cur_mask,
bpp, width, height);
g_munmap(shmemptr, shmembytes);
}
g_file_close(fd);
}
}
return rv;
}
/******************************************************************************/
/* return error */
static int
process_server_paint_rect_shmfd(struct mod *amod, struct stream *s)
{
int num_drects;
int num_crects;
int flags;
int frame_id;
int shmem_bytes;
int shmem_offset;
int left;
int top;
int width;
int height;
int index;
int rv;
int16_t *ldrects;
int16_t *ldrects1;
int16_t *lcrects;
int16_t *lcrects1;
char *bmpdata;
int fd;
int recv_bytes;
unsigned int num_fds;
void *shmem_ptr;
char msg[4];
/* dirty pixels */
in_uint16_le(s, num_drects);
ldrects = g_new(int16_t, 2 * 4 * num_drects);
ldrects1 = ldrects;
for (index = 0; index < num_drects; index++)
{
in_sint16_le(s, ldrects1[0]);
in_sint16_le(s, ldrects1[1]);
in_sint16_le(s, ldrects1[2]);
in_sint16_le(s, ldrects1[3]);
ldrects1 += 4;
}
/* copied pixels */
in_uint16_le(s, num_crects);
lcrects = g_new(int16_t, 2 * 4 * num_crects);
lcrects1 = lcrects;
for (index = 0; index < num_crects; index++)
{
in_sint16_le(s, lcrects1[0]);
in_sint16_le(s, lcrects1[1]);
in_sint16_le(s, lcrects1[2]);
in_sint16_le(s, lcrects1[3]);
lcrects1 += 4;
}
in_uint32_le(s, flags);
in_uint32_le(s, frame_id);
in_uint32_le(s, shmem_bytes);
in_uint32_le(s, shmem_offset);
in_uint16_le(s, left);
in_uint16_le(s, top);
in_uint16_le(s, width);
in_uint16_le(s, height);
if (g_tcp_can_recv(amod->trans->sck, 5000) == 0)
{
g_free(ldrects);
g_free(lcrects);
return 1;
}
rv = 1;
recv_bytes = g_sck_recv_fd_set(amod->trans->sck, msg, 4, &fd, 1, &num_fds);
LOG_DEVEL(LOG_LEVEL_DEBUG, "process_server_paint_rect_shmfd: "
"g_sck_recv_fd_set rv %d fd %d", recv_bytes, fd);
if (recv_bytes == 4)
{
if (num_fds == 1)
{
if (g_file_map(fd, 1, 0, shmem_bytes, &shmem_ptr) == 0)
{
bmpdata = (char *)shmem_ptr;
bmpdata += shmem_offset;
/* we give up ownership of shmem_ptr
will get cleaned up in server_paint_rects_ex or
xrdp_mm_process_enc_done(rfx, gfx) */
rv = amod->server_paint_rects_ex(amod, num_drects, ldrects,
num_crects, lcrects, bmpdata,
left, top, width, height,
flags, frame_id,
shmem_ptr, shmem_bytes);
}
g_file_close(fd);
}
}
g_free(ldrects);
g_free(lcrects);
return rv;
}
/******************************************************************************/
/* return error */
static int
send_server_version_message(struct mod *mod, struct stream *s)
{
/* send version message */
init_stream(s, 8192);
s_push_layer(s, iso_hdr, 4);
out_uint16_le(s, 103);
out_uint32_le(s, 301);
out_uint32_le(s, 0);
out_uint32_le(s, 0);
out_uint32_le(s, 0);
out_uint32_le(s, 1);
s_mark_end(s);
int len = (int)(s->end - s->data);
s_pop_layer(s, iso_hdr);
out_uint32_le(s, len);
int rv = lib_send_copy(mod, s);
return rv;
}
/******************************************************************************/
/* return error */
static int
send_server_monitor_update(struct mod *mod, struct stream *s,
int width, int height,
int num_monitors,
const struct monitor_info *monitors)
{
/* send monitor update message */
init_stream(s, 8192);
s_push_layer(s, iso_hdr, 4);
out_uint16_le(s, 103);
out_uint32_le(s, 302);
out_uint32_le(s, width);
out_uint32_le(s, height);
out_uint32_le(s, num_monitors);
out_uint32_le(s, 0);
out_uint8a(s, monitors, sizeof(monitors[0]) * num_monitors);
s_mark_end(s);
int len = (int)(s->end - s->data);
s_pop_layer(s, iso_hdr);
out_uint32_le(s, len);
int rv = lib_send_copy(mod, s);
LOG_DEVEL(LOG_LEVEL_DEBUG, "send_server_monitor_update:"
" sent monitor updsate message with following properties to"
" xorgxrdp backend width=%d, height=%d, num=%d, return value=%d",
width, height, num_monitors, rv);
return rv;
}
static int
send_server_monitor_full_invalidate(
struct mod *mod, struct stream *s, int width, int height)
{
/* send invalidate message */
init_stream(s, 8192);
s_push_layer(s, iso_hdr, 4);
out_uint16_le(s, 103);
out_uint32_le(s, 200);
/* x and y */
int i = 0;
out_uint32_le(s, i);
/* width and height */
i = ((width & 0xffff) << 16) | height;
out_uint32_le(s, i);
out_uint32_le(s, 0);
out_uint32_le(s, 0);
s_mark_end(s);
int len = (int)(s->end - s->data);
s_pop_layer(s, iso_hdr);
out_uint32_le(s, len);
int rv = lib_send_copy(mod, s);
LOG_DEVEL(LOG_LEVEL_DEBUG, "send_server_monitor_full_invalidate:"
" sent invalidate message with following"
" properties to xorgxrdp backend"
" width=%d, height=%d, return value=%d",
width, height, rv);
return rv;
}
/******************************************************************************/
/* return error */
static int
lib_send_server_version_message(struct mod *mod)
{
/* send server version message */
struct stream *s;
make_stream(s);
int rv = send_server_version_message(mod, s);
free_stream(s);
return rv;
}
/******************************************************************************/
/* return error */
static int
lib_send_server_monitor_resize(struct mod *mod, int width, int height,
int num_monitors,
const struct monitor_info *monitors,
int *in_progress)
{
struct stream *s;
make_stream(s);
int rv = send_server_monitor_update(mod, s, width, height,
num_monitors, monitors);
*in_progress = (rv == 0);
free_stream(s);
return rv;
}
/******************************************************************************/
/* return error */
static int
lib_send_server_monitor_full_invalidate(struct mod *mod, int width, int height)
{
/* send invalidate message */
struct stream *s;
make_stream(s);
int rv = send_server_monitor_full_invalidate(mod, s, width, height);
free_stream(s);
return rv;
}
/******************************************************************************/
/* return error */
static int
lib_mod_process_orders(struct mod *mod, int type, struct stream *s)
{
int rv;
LOG_DEVEL(LOG_LEVEL_DEBUG, "lib_mod_process_orders: type %d", type);
rv = 0;
switch (type)
{
case 1: /* server_begin_update */
rv = mod->server_begin_update(mod);
break;
case 2: /* server_end_update */
rv = mod->server_end_update(mod);
break;
case 3: /* server_fill_rect */
rv = process_server_fill_rect(mod, s);
break;
case 4: /* server_screen_blt */
rv = process_server_screen_blt(mod, s);
break;
case 5: /* server_paint_rect */
rv = process_server_paint_rect(mod, s);
break;
case 10: /* server_set_clip */
rv = process_server_set_clip(mod, s);
break;
case 11: /* server_reset_clip */
rv = process_server_reset_clip(mod, s);
break;
case 12: /* server_set_fgcolor */
rv = process_server_set_fgcolor(mod, s);
break;
case 13: /* server_set_bgcolor */
rv = process_server_set_bgcolor(mod, s);
break;
case 14: /* server_set_opcode */
rv = process_server_set_opcode(mod, s);
break;
case 17: /* server_set_pen */
rv = process_server_set_pen(mod, s);
break;
case 18: /* server_draw_line */
rv = process_server_draw_line(mod, s);
break;
case 19: /* server_set_cursor */
rv = process_server_set_cursor(mod, s);
break;
case 20: /* server_create_os_surface */
rv = process_server_create_os_surface(mod, s);
break;
case 21: /* server_switch_os_surface */
rv = process_server_switch_os_surface(mod, s);
break;
case 22: /* server_delete_os_surface */
rv = process_server_delete_os_surface(mod, s);
break;
case 23: /* server_paint_rect_os */
rv = process_server_paint_rect_os(mod, s);
break;
case 24: /* server_set_hints */
rv = process_server_set_hints(mod, s);
break;
case 25: /* server_window_new_update */
rv = process_server_window_new_update(mod, s);
break;
case 26: /* server_window_delete */
rv = process_server_window_delete(mod, s);
break;
case 27: /* server_window_new_update - show */
rv = process_server_window_show(mod, s);
break;
case 28: /* server_add_char */
rv = process_server_add_char(mod, s);
break;
case 29: /* server_add_char_alpha */
rv = process_server_add_char_alpha(mod, s);
break;
case 30: /* server_draw_text */
rv = process_server_draw_text(mod, s);
break;
case 31: /* server_create_os_surface_bpp */
rv = process_server_create_os_surface_bpp(mod, s);
break;
case 32: /* server_paint_rect_bpp */
rv = process_server_paint_rect_bpp(mod, s);
break;
case 33: /* server_composite */
rv = process_server_composite(mod, s);
break;
case 51: /* server_set_pointer_ex */
rv = process_server_set_pointer_ex(mod, s);
break;
case 60: /* server_paint_rect_shmem */
rv = process_server_paint_rect_shmem(mod, s);
break;
case 61: /* server_paint_rect_shmem_ex */
rv = process_server_paint_rect_shmem_ex(mod, s);
break;
case 62:
rv = process_server_egfx_shmfd(mod, s);
break;
case 63: /* server_set_pointer_shmfd */
rv = process_server_set_pointer_shmfd(mod, s);
break;
case 64: /* server_paint_rect_shmfd */
rv = process_server_paint_rect_shmfd(mod, s);
break;
default:
LOG_DEVEL(LOG_LEVEL_WARNING,
"lib_mod_process_orders: unknown order type %d", type);
rv = 0;
break;
}
return rv;
}
/******************************************************************************/
/* return error */
static int
lib_send_client_info(struct mod *mod)
{
struct stream *s;
int len;
LOG_DEVEL(LOG_LEVEL_TRACE, "lib_send_client_info:");
make_stream(s);
init_stream(s, 8192);
s_push_layer(s, iso_hdr, 4);
out_uint16_le(s, 104);
g_memcpy(s->p, &(mod->client_info), sizeof(mod->client_info));
s->p += sizeof(mod->client_info);
s_mark_end(s);
len = (int)(s->end - s->data);
s_pop_layer(s, iso_hdr);
out_uint32_le(s, len);
lib_send_copy(mod, s);
free_stream(s);
return 0;
}
/******************************************************************************/
/* return error */
static int
lib_mod_process_message(struct mod *mod, struct stream *s)
{
int num_orders;
int index;
int rv;
int len;
int type;
char *phold;
int width;
int height;
LOG_DEVEL(LOG_LEVEL_TRACE, "lib_mod_process_message:");
in_uint16_le(s, type);
in_uint16_le(s, num_orders);
in_uint32_le(s, len);
LOG_DEVEL(LOG_LEVEL_DEBUG, "lib_mod_process_message: type %d", type);
rv = 0;
if (type == 1) /* original order list */
{
for (index = 0; index < num_orders; ++index)
{
in_uint16_le(s, type);
rv = lib_mod_process_orders(mod, type, s);
if (rv != 0)
{
break;
}
}
}
else if (type == 2) /* caps */
{
LOG_DEVEL(LOG_LEVEL_TRACE,
"lib_mod_process_message: type 2 len %d", len);
for (index = 0; index < num_orders; index++)
{
phold = s->p;
in_uint16_le(s, type);
in_uint16_le(s, len);
switch (type)
{
default:
LOG_DEVEL(LOG_LEVEL_TRACE,
"lib_mod_process_message: unknown"
" cap type %d len %d",
type, len);
break;
}
s->p = phold + len;
}
lib_send_client_info(mod);
}
else if (type == 3) /* order list with len after type */
{
LOG_DEVEL(LOG_LEVEL_INFO,
"lib_mod_process_message: type 3 len %d", len);
for (index = 0; index < num_orders; index++)
{
phold = s->p;
in_uint16_le(s, type);
in_uint16_le(s, len);
rv = lib_mod_process_orders(mod, type, s);
if (rv != 0)
{
break;
}
s->p = phold + len;
}
}
else if (type == 100) // metadata commands.
{
LOG_DEVEL(LOG_LEVEL_INFO,
"lib_mod_process_message: type 100 len %d", len);
for (index = 0; index < num_orders; ++index)
{
phold = s->p;
in_uint16_le(s, type);
in_uint16_le(s, len);
switch (type)
{
case 3: // memory allocation complete
in_uint16_le(s, width);
in_uint16_le(s, height);
LOG(LOG_LEVEL_INFO, "Received memory_allocation_complete"
" command. width: %d, height: %d",
width, height);
rv = mod->server_monitor_resize_done(mod);
break;
}
s->p = phold + len;
}
}
else
{
LOG_DEVEL(LOG_LEVEL_TRACE, "unknown type %d", type);
}
return rv;
}
/******************************************************************************/
/* return error */
static int
lib_mod_signal(struct mod *mod)
{
// no-op
return 0;
}
/******************************************************************************/
/* return error */
static int
lib_mod_end(struct mod *mod)
{
if (mod->screen_shmem_pixels != 0)
{
g_shmdt(mod->screen_shmem_pixels);
mod->screen_shmem_pixels = 0;
}
return 0;
}
/******************************************************************************/
/* return error */
static int
lib_mod_set_param(struct mod *mod, const char *name, const char *value)
{
if (g_strcasecmp(name, "username") == 0)
{
g_strncpy(mod->username, value, INFO_CLIENT_MAX_CB_LEN - 1);
}
else if (g_strcasecmp(name, "password") == 0)
{
g_strncpy(mod->password, value, INFO_CLIENT_MAX_CB_LEN - 1);
}
else if (g_strcasecmp(name, "ip") == 0)
{
g_strncpy(mod->ip, value, 255);
}
else if (g_strcasecmp(name, "port") == 0)
{
g_strncpy(mod->port, value, 255);
}
else if (g_strcasecmp(name, "keycode_set") == 0)
{
g_snprintf(mod->keycode_set, sizeof(mod->keycode_set), "%s", value);
}
else if (g_strcasecmp(name, "client_info") == 0)
{
g_memcpy(&(mod->client_info), value, sizeof(mod->client_info));
}
return 0;
}
/******************************************************************************/
/* return error */
static int
lib_mod_get_wait_objs(struct mod *mod, tbus *read_objs, int *rcount,
tbus *write_objs, int *wcount, int *timeout)
{
if (mod != 0)
{
if (mod->trans != 0)
{
trans_get_wait_objs_rw(mod->trans, read_objs, rcount,
write_objs, wcount, timeout);
}
}
return 0;
}
/******************************************************************************/
/* return error */
static int
lib_mod_check_wait_objs(struct mod *mod)
{
int rv;
rv = 0;
if (mod != 0)
{
if (mod->trans != 0)
{
rv = trans_check_wait_objs(mod->trans);
if (rv != 0)
{
LOG(LOG_LEVEL_ERROR, "Xorg server closed connection");
}
}
}
return rv;
}
/******************************************************************************/
/* return error */
static int
lib_mod_frame_ack(struct mod *amod, int flags, int frame_id)
{
LOG_DEVEL(LOG_LEVEL_TRACE,
"lib_mod_frame_ack: flags 0x%8.8x frame_id %d", flags, frame_id);
send_paint_rect_ex_ack(amod, flags, frame_id);
return 0;
}
/******************************************************************************/
/* return error */
static int
lib_mod_suppress_output(struct mod *amod, int suppress,
int left, int top, int right, int bottom)
{
LOG_DEVEL(LOG_LEVEL_TRACE,
"lib_mod_suppress_output: suppress 0x%8.8x left %d top %d "
"right %d bottom %d", suppress, left, top, right, bottom);
send_suppress_output(amod, suppress, left, top, right, bottom);
return 0;
}
/******************************************************************************/
tintptr EXPORT_CC
mod_init(void)
{
struct mod *mod;
mod = (struct mod *)g_malloc(sizeof(struct mod), 1);
mod->size = sizeof(struct mod);
mod->version = CURRENT_MOD_VER;
mod->handle = (tintptr) mod;
mod->mod_connect = lib_mod_connect;
mod->mod_start = lib_mod_start;
mod->mod_event = lib_mod_event;
mod->mod_signal = lib_mod_signal;
mod->mod_end = lib_mod_end;
mod->mod_set_param = lib_mod_set_param;
mod->mod_get_wait_objs = lib_mod_get_wait_objs;
mod->mod_check_wait_objs = lib_mod_check_wait_objs;
mod->mod_frame_ack = lib_mod_frame_ack;
mod->mod_suppress_output = lib_mod_suppress_output;
mod->mod_server_monitor_resize = lib_send_server_monitor_resize;
mod->mod_server_monitor_full_invalidate
= lib_send_server_monitor_full_invalidate;
mod->mod_server_version_message = lib_send_server_version_message;
return (tintptr) mod;
}
/******************************************************************************/
int EXPORT_CC
mod_exit(tintptr handle)
{
struct mod *mod = (struct mod *) handle;
if (mod == 0)
{
return 0;
}
trans_delete(mod->trans);
g_free(mod);
return 0;
}
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