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xrdp-proprietary/rdp/rdp.c

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/**
* xrdp: A Remote Desktop Protocol server.
*
* Copyright (C) Jay Sorg 2004-2013
*
* 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.
*
* librdp main file
*/
#include "rdp.h"
/******************************************************************************/
/* return error */
int DEFAULT_CC
lib_mod_start(struct mod *mod, int w, int h, int bpp)
{
DEBUG(("in lib_mod_start"));
mod->width = w;
mod->height = h;
mod->rdp_bpp = bpp;
mod->xrdp_bpp = bpp;
mod->keylayout = 0x409;
g_strncpy(mod->port, "3389", 255); /* default */
DEBUG(("out lib_mod_start"));
return 0;
}
/******************************************************************************/
/* return error */
int DEFAULT_CC
lib_mod_connect(struct mod *mod)
{
DEBUG(("in lib_mod_connect"));
/* clear screen */
mod->server_begin_update(mod);
mod->server_set_fgcolor(mod, 0);
mod->server_fill_rect(mod, 0, 0, mod->width, mod->height);
mod->server_end_update(mod);
/* connect */
if (rdp_rdp_connect(mod->rdp_layer, mod->ip, mod->port) == 0)
{
mod->sck = mod->rdp_layer->sec_layer->mcs_layer->iso_layer->tcp_layer->sck;
g_tcp_set_non_blocking(mod->sck);
g_tcp_set_no_delay(mod->sck);
mod->sck_obj = g_create_wait_obj_from_socket(mod->sck, 0);
DEBUG(("out lib_mod_connect"));
return 0;
}
DEBUG(("out lib_mod_connect error"));
return 1;
}
/******************************************************************************/
/* return error */
int DEFAULT_CC
lib_mod_event(struct mod *mod, int msg, long param1, long param2,
long param3, long param4)
{
struct stream *s;
if (!mod->up_and_running)
{
return 0;
}
DEBUG(("in lib_mod_event"));
make_stream(s);
init_stream(s, 8192 * 2);
switch (msg)
{
case 15:
rdp_rdp_send_input(mod->rdp_layer, s, 0, RDP_INPUT_SCANCODE,
param4, param3, 0);
break;
case 16:
rdp_rdp_send_input(mod->rdp_layer, s, 0, RDP_INPUT_SCANCODE,
param4, param3, 0);
break;
case 17:
rdp_rdp_send_input(mod->rdp_layer, s, 0, RDP_INPUT_SYNCHRONIZE,
param4, param3, 0);
break;
case 100:
rdp_rdp_send_input(mod->rdp_layer, s, 0, RDP_INPUT_MOUSE,
MOUSE_FLAG_MOVE, param1, param2);
break;
case 101:
rdp_rdp_send_input(mod->rdp_layer, s, 0, RDP_INPUT_MOUSE,
MOUSE_FLAG_BUTTON1, param1, param2);
break;
case 102:
rdp_rdp_send_input(mod->rdp_layer, s, 0, RDP_INPUT_MOUSE,
MOUSE_FLAG_BUTTON1 | MOUSE_FLAG_DOWN,
param1, param2);
break;
case 103:
rdp_rdp_send_input(mod->rdp_layer, s, 0, RDP_INPUT_MOUSE,
MOUSE_FLAG_BUTTON2, param1, param2);
break;
case 104:
rdp_rdp_send_input(mod->rdp_layer, s, 0, RDP_INPUT_MOUSE,
MOUSE_FLAG_BUTTON2 | MOUSE_FLAG_DOWN,
param1, param2);
break;
case 105:
rdp_rdp_send_input(mod->rdp_layer, s, 0, RDP_INPUT_MOUSE,
MOUSE_FLAG_BUTTON3, param1, param2);
break;
case 106:
rdp_rdp_send_input(mod->rdp_layer, s, 0, RDP_INPUT_MOUSE,
MOUSE_FLAG_BUTTON3 | MOUSE_FLAG_DOWN,
param1, param2);
break;
case 107:
rdp_rdp_send_input(mod->rdp_layer, s, 0, RDP_INPUT_MOUSE,
MOUSE_FLAG_BUTTON4, param1, param2);
break;
case 108:
rdp_rdp_send_input(mod->rdp_layer, s, 0, RDP_INPUT_MOUSE,
MOUSE_FLAG_BUTTON4 | MOUSE_FLAG_DOWN,
param1, param2);
break;
case 109:
rdp_rdp_send_input(mod->rdp_layer, s, 0, RDP_INPUT_MOUSE,
MOUSE_FLAG_BUTTON5, param1, param2);
break;
case 110:
rdp_rdp_send_input(mod->rdp_layer, s, 0, RDP_INPUT_MOUSE,
MOUSE_FLAG_BUTTON5 | MOUSE_FLAG_DOWN,
param1, param2);
break;
case 200:
rdp_rdp_send_invalidate(mod->rdp_layer, s,
(param1 >> 16) & 0xffff, param1 & 0xffff,
(param2 >> 16) & 0xffff, param2 & 0xffff);
break;
}
free_stream(s);
DEBUG(("out lib_mod_event"));
return 0;
}
/******************************************************************************/
/* return error */
int DEFAULT_CC
lib_mod_signal(struct mod *mod)
{
int type;
int cont;
struct stream *s;
DEBUG(("in lib_mod_signal"));
if (mod->in_s == 0)
{
make_stream(mod->in_s);
}
s = mod->in_s;
init_stream(s, 8192 * 2);
cont = 1;
while (cont)
{
type = 0;
if (rdp_rdp_recv(mod->rdp_layer, s, &type) != 0)
{
DEBUG(("out lib_mod_signal error rdp_rdp_recv failed"));
return 1;
}
DEBUG(("lib_mod_signal type %d", type));
switch (type)
{
case RDP_PDU_DATA:
rdp_rdp_process_data_pdu(mod->rdp_layer, s);
break;
case RDP_PDU_DEMAND_ACTIVE:
rdp_rdp_process_demand_active(mod->rdp_layer, s);
mod->up_and_running = 1;
break;
case RDP_PDU_DEACTIVATE:
mod->up_and_running = 0;
break;
case RDP_PDU_REDIRECT:
break;
case 0:
break;
default:
break;
}
cont = s->next_packet < s->end;
}
DEBUG(("out lib_mod_signal"));
return 0;
}
/******************************************************************************/
/* return error */
int DEFAULT_CC
lib_mod_end(struct mod *mod)
{
rdp_rdp_delete(mod->rdp_layer);
mod->rdp_layer = 0;
free_stream(mod->in_s);
mod->in_s = 0;
if (mod->sck_obj != 0)
{
g_delete_wait_obj_from_socket(mod->sck_obj);
mod->sck_obj = 0;
}
if (mod->sck != 0)
{
g_tcp_close(mod->sck);
mod->sck = 0;
}
return 0;
}
/******************************************************************************/
/* return error */
int DEFAULT_CC
lib_mod_set_param(struct mod *mod, char *name, char *value)
{
if (g_strncasecmp(name, "ip", 255) == 0)
{
g_strncpy(mod->ip, value, 255);
}
else if (g_strncasecmp(name, "port", 255) == 0)
{
g_strncpy(mod->port, value, 255);
}
else if (g_strncasecmp(name, "username", 255) == 0)
{
g_strncpy(mod->username, value, 255);
}
else if (g_strncasecmp(name, "password", 255) == 0)
{
g_strncpy(mod->password, value, 255);
}
else if (g_strncasecmp(name, "hostname", 255) == 0)
{
g_strncpy(mod->hostname, value, 255);
}
else if (g_strncasecmp(name, "keylayout", 255) == 0)
{
mod->keylayout = g_atoi(value);
}
return 0;
}
/******************************************************************************/
/* return error */
int DEFAULT_CC
lib_mod_get_wait_objs(struct mod *mod, tbus *read_objs, int *rcount,
tbus *write_objs, int *wcount, int *timeout)
{
int i;
i = *rcount;
if (mod != 0)
{
if (mod->sck_obj != 0)
{
read_objs[i++] = mod->sck_obj;
}
}
*rcount = i;
return 0;
}
/******************************************************************************/
/* return error */
int DEFAULT_CC
lib_mod_check_wait_objs(struct mod *mod)
{
int rv;
rv = 0;
if (mod != 0)
{
if (mod->sck_obj != 0)
{
if (g_is_wait_obj_set(mod->sck_obj))
{
rv = lib_mod_signal(mod);
}
}
}
return rv;
}
/******************************************************************************/
struct mod *EXPORT_CC
mod_init(void)
{
struct mod *mod;
DEBUG(("in mod_init"));
mod = (struct mod *)g_malloc(sizeof(struct mod), 1);
mod->size = sizeof(struct mod);
mod->version = CURRENT_MOD_VER;
mod->handle = (long)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->rdp_layer = rdp_rdp_create(mod);
DEBUG(("out mod_init"));
return mod;
}
/******************************************************************************/
int EXPORT_CC
mod_exit(struct mod *mod)
{
DEBUG(("in mod_exit"));
g_free(mod);
DEBUG(("out mod_exit"));
return 0;
}
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