You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
638 lines
15 KiB
638 lines
15 KiB
/*
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
|
|
xrdp: A Remote Desktop Protocol server.
|
|
Copyright (C) Jay Sorg 2005-2010
|
|
|
|
libxup main file
|
|
|
|
*/
|
|
|
|
#include "xup.h"
|
|
|
|
/******************************************************************************/
|
|
/* returns error */
|
|
int DEFAULT_CC
|
|
lib_recv(struct mod* mod, char* data, int len)
|
|
{
|
|
int rcvd;
|
|
|
|
if (mod->sck_closed)
|
|
{
|
|
return 1;
|
|
}
|
|
while (len > 0)
|
|
{
|
|
rcvd = g_tcp_recv(mod->sck, data, len, 0);
|
|
if (rcvd == -1)
|
|
{
|
|
if (g_tcp_last_error_would_block(mod->sck))
|
|
{
|
|
if (mod->server_is_term(mod))
|
|
{
|
|
return 1;
|
|
}
|
|
g_tcp_can_recv(mod->sck, 10);
|
|
}
|
|
else
|
|
{
|
|
return 1;
|
|
}
|
|
}
|
|
else if (rcvd == 0)
|
|
{
|
|
mod->sck_closed = 1;
|
|
return 1;
|
|
}
|
|
else
|
|
{
|
|
data += rcvd;
|
|
len -= rcvd;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* returns error */
|
|
int DEFAULT_CC
|
|
lib_send(struct mod* mod, char* data, int len)
|
|
{
|
|
int sent;
|
|
|
|
if (mod->sck_closed)
|
|
{
|
|
return 1;
|
|
}
|
|
while (len > 0)
|
|
{
|
|
sent = g_tcp_send(mod->sck, data, len, 0);
|
|
if (sent == -1)
|
|
{
|
|
if (g_tcp_last_error_would_block(mod->sck))
|
|
{
|
|
if (mod->server_is_term(mod))
|
|
{
|
|
return 1;
|
|
}
|
|
g_tcp_can_send(mod->sck, 10);
|
|
}
|
|
else
|
|
{
|
|
return 1;
|
|
}
|
|
}
|
|
else if (sent == 0)
|
|
{
|
|
mod->sck_closed = 1;
|
|
return 1;
|
|
}
|
|
else
|
|
{
|
|
data += sent;
|
|
len -= sent;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/******************************************************************************/
|
|
/* return error */
|
|
int DEFAULT_CC
|
|
lib_mod_start(struct mod* mod, int w, int h, int bpp)
|
|
{
|
|
LIB_DEBUG(mod, "in lib_mod_start");
|
|
mod->width = w;
|
|
mod->height = h;
|
|
mod->bpp = bpp;
|
|
LIB_DEBUG(mod, "out lib_mod_start");
|
|
return 0;
|
|
}
|
|
|
|
/******************************************************************************/
|
|
/* return error */
|
|
int DEFAULT_CC
|
|
lib_mod_connect(struct mod* mod)
|
|
{
|
|
int error;
|
|
int len;
|
|
int i;
|
|
int index;
|
|
int use_uds;
|
|
struct stream* s;
|
|
char con_port[256];
|
|
|
|
LIB_DEBUG(mod, "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);
|
|
mod->server_msg(mod, "started connecting", 0);
|
|
/* only support 8, 15, 16, and 24 bpp connections from rdp client */
|
|
if (mod->bpp != 8 && mod->bpp != 15 && mod->bpp != 16 && mod->bpp != 24)
|
|
{
|
|
mod->server_msg(mod,
|
|
"error - only supporting 8, 15, 16, and 24 bpp rdp connections", 0);
|
|
LIB_DEBUG(mod, "out lib_mod_connect error");
|
|
return 1;
|
|
}
|
|
if (g_strcmp(mod->ip, "") == 0)
|
|
{
|
|
mod->server_msg(mod, "error - no ip set", 0);
|
|
LIB_DEBUG(mod, "out lib_mod_connect error");
|
|
return 1;
|
|
}
|
|
make_stream(s);
|
|
g_sprintf(con_port, "%s", mod->port);
|
|
use_uds = 0;
|
|
if (con_port[0] == '/')
|
|
{
|
|
use_uds = 1;
|
|
}
|
|
mod->sck_closed = 0;
|
|
i = 0;
|
|
while (1)
|
|
{
|
|
if (use_uds)
|
|
{
|
|
mod->sck = g_tcp_local_socket();
|
|
}
|
|
else
|
|
{
|
|
mod->sck = g_tcp_socket();
|
|
}
|
|
g_tcp_set_non_blocking(mod->sck);
|
|
g_tcp_set_no_delay(mod->sck);
|
|
mod->server_msg(mod, "connecting...", 0);
|
|
if (use_uds)
|
|
{
|
|
error = g_tcp_local_connect(mod->sck, con_port);
|
|
}
|
|
else
|
|
{
|
|
error = g_tcp_connect(mod->sck, mod->ip, con_port);
|
|
}
|
|
if (error == -1)
|
|
{
|
|
if (g_tcp_last_error_would_block(mod->sck))
|
|
{
|
|
error = 0;
|
|
index = 0;
|
|
while (!g_tcp_can_send(mod->sck, 100))
|
|
{
|
|
index++;
|
|
if ((index >= 30) || mod->server_is_term(mod))
|
|
{
|
|
mod->server_msg(mod, "connect timeout", 0);
|
|
error = 1;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
mod->server_msg(mod, "connect error", 0);
|
|
}
|
|
}
|
|
if (error == 0)
|
|
{
|
|
break;
|
|
}
|
|
g_tcp_close(mod->sck);
|
|
mod->sck = 0;
|
|
i++;
|
|
if (i >= 4)
|
|
{
|
|
mod->server_msg(mod, "connection problem, giving up", 0);
|
|
break;
|
|
}
|
|
g_sleep(250);
|
|
}
|
|
if (error == 0)
|
|
{
|
|
/* 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);
|
|
len = (int)(s->end - s->data);
|
|
s_pop_layer(s, iso_hdr);
|
|
out_uint32_le(s, len);
|
|
lib_send(mod, s->data, len);
|
|
}
|
|
if (error == 0)
|
|
{
|
|
/* send screen size message */
|
|
init_stream(s, 8192);
|
|
s_push_layer(s, iso_hdr, 4);
|
|
out_uint16_le(s, 103);
|
|
out_uint32_le(s, 300);
|
|
out_uint32_le(s, mod->width);
|
|
out_uint32_le(s, mod->height);
|
|
out_uint32_le(s, mod->bpp);
|
|
out_uint32_le(s, 0);
|
|
s_mark_end(s);
|
|
len = (int)(s->end - s->data);
|
|
s_pop_layer(s, iso_hdr);
|
|
out_uint32_le(s, len);
|
|
lib_send(mod, s->data, len);
|
|
}
|
|
if (error == 0)
|
|
{
|
|
/* 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 */
|
|
i = 0;
|
|
out_uint32_le(s, i);
|
|
/* width and height */
|
|
i = ((mod->width & 0xffff) << 16) | mod->height;
|
|
out_uint32_le(s, i);
|
|
out_uint32_le(s, 0);
|
|
out_uint32_le(s, 0);
|
|
s_mark_end(s);
|
|
len = (int)(s->end - s->data);
|
|
s_pop_layer(s, iso_hdr);
|
|
out_uint32_le(s, len);
|
|
lib_send(mod, s->data, len);
|
|
}
|
|
free_stream(s);
|
|
if (error != 0)
|
|
{
|
|
mod->server_msg(mod, "some problem", 0);
|
|
LIB_DEBUG(mod, "out lib_mod_connect error");
|
|
return 1;
|
|
}
|
|
else
|
|
{
|
|
mod->server_msg(mod, "connected ok", 0);
|
|
mod->sck_obj = g_create_wait_obj_from_socket(mod->sck, 0);
|
|
}
|
|
LIB_DEBUG(mod, "out lib_mod_connect");
|
|
return 0;
|
|
}
|
|
|
|
/******************************************************************************/
|
|
/* return error */
|
|
int DEFAULT_CC
|
|
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;
|
|
|
|
LIB_DEBUG(mod, "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)
|
|
{
|
|
g_writeln("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(mod, s->data, len);
|
|
}
|
|
}
|
|
if (key == 65507) /* left control */
|
|
{
|
|
mod->shift_state = msg == 15;
|
|
}
|
|
}
|
|
}
|
|
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(mod, s->data, len);
|
|
free_stream(s);
|
|
LIB_DEBUG(mod, "out lib_mod_event");
|
|
return rv;
|
|
}
|
|
|
|
/******************************************************************************/
|
|
/* return error */
|
|
int DEFAULT_CC
|
|
lib_mod_signal(struct mod* mod)
|
|
{
|
|
struct stream* s;
|
|
int num_orders;
|
|
int index;
|
|
int rv;
|
|
int len;
|
|
int type;
|
|
int x;
|
|
int y;
|
|
int cx;
|
|
int cy;
|
|
int fgcolor;
|
|
int opcode;
|
|
int width;
|
|
int height;
|
|
int srcx;
|
|
int srcy;
|
|
int len_bmpdata;
|
|
int style;
|
|
int x1;
|
|
int y1;
|
|
int x2;
|
|
int y2;
|
|
char* phold;
|
|
char* bmpdata;
|
|
char cur_data[32 * (32 * 3)];
|
|
char cur_mask[32 * (32 / 8)];
|
|
|
|
LIB_DEBUG(mod, "in lib_mod_signal");
|
|
make_stream(s);
|
|
init_stream(s, 8192);
|
|
rv = lib_recv(mod, s->data, 8);
|
|
if (rv == 0)
|
|
{
|
|
in_uint16_le(s, type);
|
|
in_uint16_le(s, num_orders);
|
|
in_uint32_le(s, len);
|
|
if (type == 1)
|
|
{
|
|
init_stream(s, len);
|
|
rv = lib_recv(mod, s->data, len);
|
|
if (rv == 0)
|
|
{
|
|
for (index = 0; index < num_orders; index++)
|
|
{
|
|
in_uint16_le(s, type);
|
|
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 */
|
|
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);
|
|
break;
|
|
case 4: /* server_screen_blt */
|
|
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);
|
|
break;
|
|
case 5: /* server_paint_rect */
|
|
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);
|
|
break;
|
|
case 10: /* server_set_clip */
|
|
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);
|
|
break;
|
|
case 11: /* server_reset_clip */
|
|
rv = mod->server_reset_clip(mod);
|
|
break;
|
|
case 12: /* server_set_fgcolor */
|
|
in_uint32_le(s, fgcolor);
|
|
rv = mod->server_set_fgcolor(mod, fgcolor);
|
|
break;
|
|
case 14:
|
|
in_uint16_le(s, opcode);
|
|
rv = mod->server_set_opcode(mod, opcode);
|
|
break;
|
|
case 17:
|
|
in_uint16_le(s, style);
|
|
in_uint16_le(s, width);
|
|
rv = mod->server_set_pen(mod, style, width);
|
|
break;
|
|
case 18:
|
|
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);
|
|
break;
|
|
case 19:
|
|
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);
|
|
break;
|
|
default:
|
|
rv = 1;
|
|
break;
|
|
}
|
|
if (rv != 0)
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else if (type == 2) /* caps */
|
|
{
|
|
g_writeln("lib_mod_signal: type 2 len %d\n", len);
|
|
init_stream(s, len);
|
|
rv = lib_recv(mod, s->data, len);
|
|
if (rv == 0)
|
|
{
|
|
for (index = 0; index < num_orders; index++)
|
|
{
|
|
phold = s->p;
|
|
in_uint16_le(s, type);
|
|
in_uint16_le(s, len);
|
|
switch (type)
|
|
{
|
|
default:
|
|
g_writeln("lib_mod_signal: unknown cap type %d len %d", type, len);
|
|
break;
|
|
}
|
|
s->p = phold + len;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
g_writeln("unknown type %d", type);
|
|
}
|
|
}
|
|
free_stream(s);
|
|
LIB_DEBUG(mod, "out lib_mod_signal");
|
|
return rv;
|
|
}
|
|
|
|
/******************************************************************************/
|
|
/* return error */
|
|
int DEFAULT_CC
|
|
lib_mod_end(struct mod* mod)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
/******************************************************************************/
|
|
/* return error */
|
|
int DEFAULT_CC
|
|
lib_mod_set_param(struct mod* mod, char* name, char* value)
|
|
{
|
|
if (g_strcasecmp(name, "username") == 0)
|
|
{
|
|
g_strncpy(mod->username, value, 255);
|
|
}
|
|
else if (g_strcasecmp(name, "password") == 0)
|
|
{
|
|
g_strncpy(mod->password, value, 255);
|
|
}
|
|
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);
|
|
}
|
|
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;
|
|
|
|
mod = (struct mod*)g_malloc(sizeof(struct mod), 1);
|
|
mod->size = sizeof(struct mod);
|
|
mod->version = CURRENT_MOD_VER;
|
|
mod->handle = (tbus)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;
|
|
return mod;
|
|
}
|
|
|
|
/******************************************************************************/
|
|
int EXPORT_CC
|
|
mod_exit(struct mod* mod)
|
|
{
|
|
if (mod == 0)
|
|
{
|
|
return 0;
|
|
}
|
|
g_delete_wait_obj_from_socket(mod->sck_obj);
|
|
g_tcp_close(mod->sck);
|
|
g_free(mod);
|
|
return 0;
|
|
}
|