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xrdp-proprietary/vnc/vnc.c

1170 lines
27 KiB

20 years ago
/*
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 2004-2006
20 years ago
libvnc
*/
#include "vnc.h"
20 years ago
/******************************************************************************/
/* taken from vncauth.c */
void DEFAULT_CC
rfbEncryptBytes(char* bytes, char* passwd)
20 years ago
{
char key[12];
/* key is simply password padded with nulls */
g_memset(key, 0, sizeof(key));
g_strncpy(key, passwd, 8);
rfbDesKey((unsigned char*)key, EN0); /* 0, encrypt */
rfbDes((unsigned char*)bytes, (unsigned char*)bytes);
rfbDes((unsigned char*)(bytes + 8), (unsigned char*)(bytes + 8));
}
/******************************************************************************/
/* returns error */
int DEFAULT_CC
lib_recv(struct vnc* v, char* data, int len)
{
int rcvd;
if (v->sck_closed)
{
return 1;
}
while (len > 0)
{
rcvd = g_tcp_recv(v->sck, data, len, 0);
if (rcvd == -1)
{
if (g_tcp_last_error_would_block(v->sck))
{
20 years ago
if (v->server_is_term(v))
{
return 1;
}
g_sleep(1);
}
else
{
return 1;
}
}
else if (rcvd == 0)
{
v->sck_closed = 1;
return 1;
}
else
{
data += rcvd;
len -= rcvd;
}
}
return 0;
}
/*****************************************************************************/
/* returns error */
int DEFAULT_CC
lib_send(struct vnc* v, char* data, int len)
{
int sent;
if (v->sck_closed)
{
return 1;
}
while (len > 0)
{
sent = g_tcp_send(v->sck, data, len, 0);
if (sent == -1)
{
if (g_tcp_last_error_would_block(v->sck))
{
20 years ago
if (v->server_is_term(v))
{
return 1;
}
g_sleep(1);
}
else
{
return 1;
}
}
else if (sent == 0)
{
v->sck_closed = 1;
return 1;
}
else
{
data += sent;
len -= sent;
}
}
return 0;
}
20 years ago
/******************************************************************************/
int DEFAULT_CC
lib_mod_event(struct vnc* v, int msg, long param1, long param2,
long param3, long param4)
20 years ago
{
struct stream* s;
int key;
int error;
int x;
int y;
int cx;
int cy;
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char text[256];
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error = 0;
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make_stream(s);
if (msg >= 15 && msg <= 16) /* key events */
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{
key = 0;
if (param2 == 0xffff) /* ascii char */
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{
/*g_writeln("msg %d param1 %x param2 %x param3 %x param4 %x",
msg, param1, param2, param3, param4);*/
switch (param1)
{
case 0x80: /* EuroSign */
key = 0x20ac;
break;
default:
key = param1;
break;
}
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}
else /* non ascii key event */
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{
switch (param1)
{
20 years ago
case 0x0001: /* ecs */
key = 0xff1b;
break;
case 0x000e: /* backspace */
key = 0xff08;
break;
case 0x000f: /* tab(0xff09) or left tab(0xfe20) */
/* some documentation says don't send left tab */
/* just send tab and if the shift modifier is down */
/* the server will know */
/* for now, sending left tab, I don't know which is best */
/* nope, sending tab always */
/* key = (v->shift_state) ? 0xfe20 : 0xff09; */
key = 0xff09;
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break;
case 0x001c: /* enter */
key = 0xff0d;
break;
case 0x001d: /* left-right control */
key = (param2 & 0x0100) ? 0xffe4 : 0xffe3;
break;
case 0x002a: /* left shift */
key = 0xffe1;
v->shift_state = (msg == 15);
break;
case 0x0036: /* right shift */
key = 0xffe2;
v->shift_state = (msg == 15);
break;
case 0x0038: /* left-right alt */
if (param2 & 0x0100) /* right alt */
{
/* only en-us keymap can send right alt(alt-gr) */
if (v->keylayout == 0x409)
{
key = 0xffea;
}
}
else /* left alt */
{
key = 0xffe9;
}
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break;
case 0x003b: /* F1 */
key = 0xffbe;
break;
case 0x003c: /* F2 */
key = 0xffbf;
break;
case 0x003d: /* F3 */
key = 0xffc0;
break;
case 0x003e: /* F4 */
key = 0xffc1;
break;
case 0x003f: /* F5 */
key = 0xffc2;
break;
case 0x0040: /* F6 */
key = 0xffc3;
break;
case 0x0041: /* F7 */
key = 0xffc4;
break;
case 0x0042: /* F8 */
key = 0xffc5;
break;
case 0x0043: /* F9 */
key = 0xffc6;
break;
case 0x0044: /* F10 */
key = 0xffc7;
break;
case 0x0047: /* home */
key = 0xff50;
break;
case 0x0048: /* up arrow */
key = 0xff52;
break;
case 0x0049: /* page up */
key = 0xff55;
break;
case 0x004b: /* left arrow */
key = 0xff51;
break;
case 0x004d: /* right arrow */
key = 0xff53;
break;
case 0x004f: /* end */
key = 0xff57;
break;
case 0x0050: /* down arrow */
key = 0xff54;
break;
case 0x0051: /* page down */
key = 0xff56;
break;
case 0x0052: /* insert */
key = 0xff63;
break;
case 0x0053: /* delete */
key = 0xffff;
break;
case 0x0057: /* F11 */
key = 0xffc8;
break;
case 0x0058: /* F12 */
key = 0xffc9;
break;
/* not sure about the next three, I don't think rdesktop */
/* sends them right */
case 0x0037: /* Print Screen */
key = 0xff61;
break;
case 0x0046: /* Scroll Lock */
key = 0xff14;
break;
case 0x0045: /* Pause */
key = 0xff13;
break;
default:
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g_sprintf(text, "unkown key lib_mod_event msg %d \
param1 0x%4.4x param2 0x%4.4x", msg, param1, param2);
v->server_msg(v, text, 1);
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break;
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}
}
if (key > 0)
{
init_stream(s, 8192);
out_uint8(s, 4);
out_uint8(s, msg == 15); /* down flag */
out_uint8s(s, 2);
out_uint32_be(s, key);
error = lib_send(v, s->data, 8);
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}
}
else if (msg >= 100 && msg <= 110) /* mouse events */
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{
switch (msg)
{
case 100: break; /* WM_MOUSEMOVE */
case 101: v->mod_mouse_state &= ~1; break; /* WM_LBUTTONUP */
case 102: v->mod_mouse_state |= 1; break; /* WM_LBUTTONDOWN */
case 103: v->mod_mouse_state &= ~4; break; /* WM_RBUTTONUP */
case 104: v->mod_mouse_state |= 4; break; /* WM_RBUTTONDOWN */
case 105: v->mod_mouse_state &= ~2; break;
case 106: v->mod_mouse_state |= 2; break;
case 107: v->mod_mouse_state &= ~8; break;
case 108: v->mod_mouse_state |= 8; break;
case 109: v->mod_mouse_state &= ~16; break;
case 110: v->mod_mouse_state |= 16; break;
}
init_stream(s, 8192);
out_uint8(s, 5);
out_uint8(s, v->mod_mouse_state);
out_uint16_be(s, param1);
out_uint16_be(s, param2);
error = lib_send(v, s->data, 6);
}
else if (msg == 200) /* invalidate */
{
/* FrambufferUpdateRequest */
init_stream(s, 8192);
out_uint8(s, 3);
out_uint8(s, 0);
x = (param1 >> 16) & 0xffff;
out_uint16_be(s, x);
y = param1 & 0xffff;
out_uint16_be(s, y);
cx = (param2 >> 16) & 0xffff;
out_uint16_be(s, cx);
cy = param2 & 0xffff;
out_uint16_be(s, cy);
error = lib_send(v, s->data, 10);
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}
free_stream(s);
return error;
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}
//******************************************************************************
int DEFAULT_CC
get_pixel_safe(char* data, int x, int y, int width, int height, int bpp)
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{
int start;
int shift;
if (x < 0)
{
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return 0;
}
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if (y < 0)
{
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return 0;
}
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if (x >= width)
{
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return 0;
}
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if (y >= height)
{
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return 0;
}
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if (bpp == 1)
{
width = (width + 7) / 8;
start = (y * width) + x / 8;
shift = x % 8;
return (data[start] & (0x80 >> shift)) != 0;
}
else if (bpp == 4)
{
width = (width + 1) / 2;
start = y * width + x / 2;
shift = x % 2;
if (shift == 0)
{
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return (data[start] & 0xf0) >> 4;
}
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else
{
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return data[start] & 0x0f;
}
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}
else if (bpp == 8)
{
return *(((unsigned char*)data) + (y * width + x));
}
else if (bpp == 15 || bpp == 16)
{
return *(((unsigned short*)data) + (y * width + x));
}
return 0;
}
/******************************************************************************/
void DEFAULT_CC
set_pixel_safe(char* data, int x, int y, int width, int height, int bpp,
int pixel)
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{
int start;
int shift;
if (x < 0)
{
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return;
}
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if (y < 0)
{
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return;
}
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if (x >= width)
{
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return;
}
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if (y >= height)
{
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return;
}
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if (bpp == 1)
{
width = (width + 7) / 8;
start = (y * width) + x / 8;
shift = x % 8;
if (pixel & 1)
{
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data[start] = data[start] | (0x80 >> shift);
}
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else
{
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data[start] = data[start] & ~(0x80 >> shift);
}
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}
else if (bpp == 15 || bpp == 16)
{
*(((unsigned short*)data) + (y * width + x)) = pixel;
}
else if (bpp == 24)
{
*(data + (3 * (y * width + x)) + 0) = pixel >> 0;
*(data + (3 * (y * width + x)) + 1) = pixel >> 8;
*(data + (3 * (y * width + x)) + 2) = pixel >> 16;
}
}
/******************************************************************************/
int DEFAULT_CC
split_color(int pixel, int* r, int* g, int* b, int bpp, int* palette)
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{
if (bpp == 8)
{
if (pixel >= 0 && pixel < 256 && palette != 0)
{
*r = (palette[pixel] >> 16) & 0xff;
*g = (palette[pixel] >> 8) & 0xff;
*b = (palette[pixel] >> 0) & 0xff;
}
}
else if (bpp == 16)
{
*r = ((pixel >> 8) & 0xf8) | ((pixel >> 13) & 0x7);
*g = ((pixel >> 3) & 0xfc) | ((pixel >> 9) & 0x3);
*b = ((pixel << 3) & 0xf8) | ((pixel >> 2) & 0x7);
}
return 0;
}
/******************************************************************************/
int DEFAULT_CC
make_color(int r, int g, int b, int bpp)
20 years ago
{
if (bpp == 24)
{
return (r << 16) | (g << 8) | b;
}
return 0;
}
/******************************************************************************/
int DEFAULT_CC
lib_framebuffer_update(struct vnc* v)
20 years ago
{
char* data;
char* d1;
char* d2;
char cursor_data[32 * (32 * 3)];
char cursor_mask[32 * (32 / 8)];
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char text[256];
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int num_recs;
int i;
int j;
int k;
int x;
int y;
int cx;
int cy;
int srcx;
int srcy;
int encoding;
int Bpp;
int pixel;
int r;
int g;
int b;
int data_size;
int need_size;
int error;
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struct stream* s;
data_size = 0;
data = 0;
num_recs = 0;
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Bpp = (v->mod_bpp + 7) / 8;
make_stream(s);
init_stream(s, 8192);
error = lib_recv(v, s->data, 3);
if (error == 0)
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{
in_uint8s(s, 1);
in_uint16_be(s, num_recs);
error = v->server_begin_update(v);
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}
for (i = 0; i < num_recs; i++)
{
if (error != 0)
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{
break;
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}
init_stream(s, 8192);
error = lib_recv(v, s->data, 12);
if (error == 0)
{
in_uint16_be(s, x);
in_uint16_be(s, y);
in_uint16_be(s, cx);
in_uint16_be(s, cy);
in_uint32_be(s, encoding);
if (encoding == 0) /* raw */
{
need_size = cx * cy * Bpp;
if (need_size > data_size)
{
g_free(data);
data = (char*)g_malloc(need_size, 0);
data_size = need_size;
}
error = lib_recv(v, data, need_size);
if (error == 0)
{
error = v->server_paint_rect(v, x, y, cx, cy, data, cx, cy, 0, 0);
}
}
else if (encoding == 1) /* copy rect */
20 years ago
{
init_stream(s, 8192);
error = lib_recv(v, s->data, 4);
if (error == 0)
{
in_uint16_be(s, srcx);
in_uint16_be(s, srcy);
error = v->server_screen_blt(v, x, y, cx, cy, srcx, srcy);
}
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}
else if (encoding == 0xffffff11) /* cursor */
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{
g_memset(cursor_data, 0, 32 * (32 * 3));
g_memset(cursor_mask, 0, 32 * (32 / 8));
j = cx * cy * Bpp;
k = ((cx + 7) / 8) * cy;
init_stream(s, j + k);
error = lib_recv(v, s->data, j + k);
if (error == 0)
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{
in_uint8p(s, d1, j);
in_uint8p(s, d2, k);
for (j = 0; j < 32; j++)
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{
for (k = 0; k < 32; k++)
{
pixel = get_pixel_safe(d2, k, 31 - j, cx, cy, 1);
set_pixel_safe(cursor_mask, k, j, 32, 32, 1, !pixel);
if (pixel)
{
pixel = get_pixel_safe(d1, k, 31 - j, cx, cy, v->mod_bpp);
split_color(pixel, &r, &g, &b, v->mod_bpp, v->palette);
pixel = make_color(r, g, b, 24);
set_pixel_safe(cursor_data, k, j, 32, 32, 24, pixel);
}
}
20 years ago
}
/* keep these in 32x32, vnc cursor can be alot bigger */
if (x > 31)
{
x = 31;
}
if (y > 31)
{
y = 31;
}
error = v->server_set_cursor(v, x, y, cursor_data, cursor_mask);
20 years ago
}
}
else
{
19 years ago
g_sprintf(text, "error in lib_framebuffer_update");
v->server_msg(v, text, 1);
}
20 years ago
}
}
if (error == 0)
{
error = v->server_end_update(v);
}
g_free(data);
if (error == 0)
{
/* FrambufferUpdateRequest */
init_stream(s, 8192);
out_uint8(s, 3);
out_uint8(s, 1);
out_uint16_be(s, 0);
out_uint16_be(s, 0);
out_uint16_be(s, v->mod_width);
out_uint16_be(s, v->mod_height);
error = lib_send(v, s->data, 10);
20 years ago
}
free_stream(s);
return error;
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}
/******************************************************************************/
int DEFAULT_CC
lib_clip_data(struct vnc* v)
20 years ago
{
struct stream* s;
int size;
int error;
int temp;
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make_stream(s);
init_stream(s, 8192);
error = lib_recv(v, s->data, 7);
if (error == 0)
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{
in_uint8s(s, 3);
in_uint32_be(s, size);
while (size > 0 && error == 0)
{
init_stream(s, 8192);
temp = size;
if (temp > 8192)
{
temp = 8192;
}
error = lib_recv(v, s->data, temp);
size -= temp;
}
20 years ago
}
free_stream(s);
return error;
20 years ago
}
/******************************************************************************/
int DEFAULT_CC
lib_palette_update(struct vnc* v)
20 years ago
{
struct stream* s;
int first_color;
int num_colors;
int i;
int r;
int g;
int b;
int error;
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make_stream(s);
init_stream(s, 8192);
error = lib_recv(v, s->data, 5);
if (error == 0)
20 years ago
{
in_uint8s(s, 1);
in_uint16_be(s, first_color);
in_uint16_be(s, num_colors);
init_stream(s, 8192);
error = lib_recv(v, s->data, num_colors * 6);
20 years ago
}
if (error == 0)
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{
for (i = 0; i < num_colors; i++)
{
in_uint16_be(s, r);
in_uint16_be(s, g);
in_uint16_be(s, b);
r = r >> 8;
g = g >> 8;
b = b >> 8;
v->palette[first_color + i] = (r << 16) | (g << 8) | b;
}
error = v->server_begin_update(v);
}
if (error == 0)
{
error = v->server_palette(v, v->palette);
20 years ago
}
if (error == 0)
20 years ago
{
error = v->server_end_update(v);
20 years ago
}
free_stream(s);
return error;
20 years ago
}
/******************************************************************************/
int DEFAULT_CC
lib_mod_signal(struct vnc* v)
20 years ago
{
char type;
int error;
19 years ago
char text[256];
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error = lib_recv(v, &type, 1);
if (error == 0)
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{
if (type == 0) /* framebuffer update */
20 years ago
{
error = lib_framebuffer_update(v);
20 years ago
}
else if (type == 1) /* palette */
20 years ago
{
error = lib_palette_update(v);
20 years ago
}
else if (type == 3) /* clipboard */
20 years ago
{
error = lib_clip_data(v);
}
else
{
19 years ago
g_sprintf(text, "unknown in lib_mod_signal %d", type);
v->server_msg(v, text, 1);
20 years ago
}
}
return error;
20 years ago
}
/******************************************************************************/
int DEFAULT_CC
lib_mod_start(struct vnc* v, int w, int h, int bpp)
20 years ago
{
v->server_begin_update(v);
v->server_set_fgcolor(v, 0);
v->server_fill_rect(v, 0, 0, w, h);
v->server_end_update(v);
20 years ago
v->server_width = w;
v->server_height = h;
v->server_bpp = bpp;
return 0;
}
/******************************************************************************/
/*
return error
*/
int DEFAULT_CC
lib_mod_connect(struct vnc* v)
20 years ago
{
char cursor_data[32 * (32 * 3)];
char cursor_mask[32 * (32 / 8)];
char con_port[256];
char text[256];
20 years ago
struct stream* s;
struct stream* pixel_format;
int error;
int i;
int check_sec_result;
int version;
int size;
int code;
int ok;
int display;
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v->server_msg(v, "started connecting", 0);
check_sec_result = 1;
20 years ago
/* only support 8 and 16 bpp connections from rdp client */
if (v->server_bpp != 8 && v->server_bpp != 16)
{
v->server_msg(v, "error - only supporting 8 and 16 bpp rdp connections", 0);
20 years ago
return 1;
}
if (g_strncmp(v->ip, "", 1) == 0)
{
v->server_msg(v, "error - no ip set", 0);
return 1;
}
make_stream(s);
/* if port = -1, use sesman to get port / desktop */
if (g_strncmp(v->port, "-1", 2) == 0)
{
display = 0;
error = 0;
init_stream(s, 8192);
v->sck = g_tcp_socket();
v->sck_closed = 0;
v->server_msg(v, "connecting to sesman", 0);
if (g_tcp_connect(v->sck, v->ip, "3350") == 0)
{
20 years ago
g_tcp_set_non_blocking(v->sck);
g_tcp_set_no_delay(v->sck);
s_push_layer(s, channel_hdr, 8);
out_uint16_be(s, 0); // code
i = g_strlen(v->username);
out_uint16_be(s, i);
out_uint8a(s, v->username, i);
i = g_strlen(v->password);
out_uint16_be(s, i);
out_uint8a(s, v->password, i);
out_uint16_be(s, v->server_width);
out_uint16_be(s, v->server_height);
out_uint16_be(s, v->server_bpp);
s_mark_end(s);
s_pop_layer(s, channel_hdr);
out_uint32_be(s, 0); // version
out_uint32_be(s, s->end - s->data); // size
v->server_msg(v, "sending login info to sesman", 0);
error = lib_send(v, s->data, s->end - s->data);
if (error == 0)
{
init_stream(s, 8192);
v->server_msg(v, "receiving sesman header", 0);
error = lib_recv(v, s->data, 8);
}
if (error == 0)
{
in_uint32_be(s, version);
in_uint32_be(s, size);
init_stream(s, 8192);
v->server_msg(v, "receiving sesman data", 0);
error = lib_recv(v, s->data, size - 8);
}
if (error == 0)
{
if (version == 0)
{
in_uint16_be(s, code);
if (code == 3)
{
in_uint16_be(s, ok);
if (ok)
{
in_uint16_be(s, display);
}
else
{
in_uint8s(s, 2);
v->server_msg(v, "error - sesman returned no", 0);
}
}
}
}
}
else
{
v->server_msg(v, "error - connecting to sesman", 0);
}
g_tcp_close(v->sck);
if (error != 0 || display == 0)
{
v->server_msg(v, "error - connection failed", 0);
free_stream(s);
return 1;
}
v->server_msg(v, "sesman started a session", 0);
g_sprintf(con_port, "%d", 5900 + display);
v->vnc_desktop = display;
}
else
{
g_sprintf(con_port, "%s", v->port);
}
20 years ago
make_stream(pixel_format);
v->sck = g_tcp_socket();
v->sck_closed = 0;
g_sprintf(text, "connecting to %s %s", v->ip, con_port);
v->server_msg(v, text, 0);
error = g_tcp_connect(v->sck, v->ip, con_port);
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if (error == 0)
{
v->server_msg(v, "tcp connected", 0);
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g_tcp_set_non_blocking(v->sck);
g_tcp_set_no_delay(v->sck);
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/* protocal version */
init_stream(s, 8192);
error = lib_recv(v, s->data, 12);
if (error == 0)
{
error = lib_send(v, "RFB 003.003\n", 12);
}
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/* sec type */
if (error == 0)
{
init_stream(s, 8192);
error = lib_recv(v, s->data, 4);
}
if (error == 0)
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{
in_uint32_be(s, i);
g_sprintf(text, "security level is %d (1 = none, 2 = standard)", i);
v->server_msg(v, text, 0);
if (i == 1) /* none */
{
check_sec_result = 0;
}
else if (i == 2) /* dec the password and the server random */
{
init_stream(s, 8192);
error = lib_recv(v, s->data, 16);
if (error == 0)
{
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rfbEncryptBytes(s->data, v->password);
error = lib_send(v, s->data, 16);
}
}
else
{
error = 1;
}
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}
}
if (error == 0 && check_sec_result)
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{
/* sec result */
init_stream(s, 8192);
error = lib_recv(v, s->data, 4);
if (error == 0)
{
in_uint32_be(s, i);
if (i != 0)
{
v->server_msg(v, "password failed", 0);
error = 2;
}
else
{
v->server_msg(v, "password ok", 0);
}
}
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}
if (error == 0)
{
v->server_msg(v, "sending share flag", 0);
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init_stream(s, 8192);
s->data[0] = 1;
error = lib_send(v, s->data, 1); /* share flag */
}
if (error == 0)
{
v->server_msg(v, "receiving server init", 0);
error = lib_recv(v, s->data, 4); /* server init */
}
if (error == 0)
{
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in_uint16_be(s, v->mod_width);
in_uint16_be(s, v->mod_height);
init_stream(pixel_format, 8192);
v->server_msg(v, "receiving pixel format", 0);
error = lib_recv(v, pixel_format->data, 16);
}
if (error == 0)
{
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v->mod_bpp = v->server_bpp;
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init_stream(s, 8192);
v->server_msg(v, "receiving name length", 0);
error = lib_recv(v, s->data, 4); /* name len */
}
if (error == 0)
{
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in_uint32_be(s, i);
if (i > 255 || i < 0)
{
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error = 3;
}
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else
{
v->server_msg(v, "receiving name", 0);
error = lib_recv(v, v->mod_name, i);
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v->mod_name[i] = 0;
}
}
/* should be connected */
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if (error == 0)
{
/* SetPixelFormat */
init_stream(s, 8192);
out_uint8(s, 0);
out_uint8(s, 0);
out_uint8(s, 0);
out_uint8(s, 0);
init_stream(pixel_format, 8192);
if (v->mod_bpp == 8)
{
out_uint8(pixel_format, 8); /* bits per pixel */
out_uint8(pixel_format, 8); /* depth */
#if defined(B_ENDIAN)
out_uint8(pixel_format, 1); /* big endian */
#else
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out_uint8(pixel_format, 0); /* big endian */
#endif
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out_uint8(pixel_format, 0); /* true color flag */
out_uint16_be(pixel_format, 0); /* red max */
out_uint16_be(pixel_format, 0); /* green max */
out_uint16_be(pixel_format, 0); /* blue max */
out_uint8(pixel_format, 0); /* red shift */
out_uint8(pixel_format, 0); /* green shift */
out_uint8(pixel_format, 0); /* blue shift */
out_uint8s(pixel_format, 3); /* pad */
}
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else if (v->mod_bpp == 16)
{
out_uint8(pixel_format, 16); /* bits per pixel */
out_uint8(pixel_format, 16); /* depth */
#if defined(B_ENDIAN)
out_uint8(pixel_format, 1); /* big endian */
#else
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out_uint8(pixel_format, 0); /* big endian */
#endif
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out_uint8(pixel_format, 1); /* true color flag */
out_uint16_be(pixel_format, 31); /* red max */
out_uint16_be(pixel_format, 63); /* green max */
out_uint16_be(pixel_format, 31); /* blue max */
out_uint8(pixel_format, 11); /* red shift */
out_uint8(pixel_format, 5); /* green shift */
out_uint8(pixel_format, 0); /* blue shift */
out_uint8s(pixel_format, 3); /* pad */
}
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out_uint8a(s, pixel_format->data, 16);
v->server_msg(v, "sending pixel format", 0);
error = lib_send(v, s->data, 20);
}
if (error == 0)
{
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/* SetEncodings */
init_stream(s, 8192);
out_uint8(s, 2);
out_uint8(s, 0);
out_uint16_be(s, 3);
out_uint32_be(s, 0); /* raw */
out_uint32_be(s, 1); /* copy rect */
out_uint32_be(s, 0xffffff11); /* cursor */
v->server_msg(v, "sending encodings", 0);
error = lib_send(v, s->data, 4 + 3 * 4);
}
if (error == 0)
{
error = v->server_reset(v, v->mod_width, v->mod_height, v->mod_bpp);
}
if (error == 0)
{
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/* FrambufferUpdateRequest */
init_stream(s, 8192);
out_uint8(s, 3);
out_uint8(s, 0);
out_uint16_be(s, 0);
out_uint16_be(s, 0);
out_uint16_be(s, v->mod_width);
out_uint16_be(s, v->mod_height);
v->server_msg(v, "sending framebuffer update request", 0);
error = lib_send(v, s->data, 10);
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}
if (error == 0)
{
if (v->server_bpp != v->mod_bpp)
{
v->server_msg(v, "error - server and client bpp don't match", 0);
error = 1;
}
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}
if (error == 0)
{
/* set almost null cursor, this is the little dot cursor */
g_memset(cursor_data, 0, 32 * (32 * 3));
g_memset(cursor_data + (32 * (32 * 3) - 1 * 32 * 3), 0xff, 9);
g_memset(cursor_data + (32 * (32 * 3) - 2 * 32 * 3), 0xff, 9);
g_memset(cursor_data + (32 * (32 * 3) - 3 * 32 * 3), 0xff, 9);
g_memset(cursor_mask, 0xff, 32 * (32 / 8));
v->server_msg(v, "sending cursor", 0);
error = v->server_set_cursor(v, 3, 3, cursor_data, cursor_mask);
}
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free_stream(s);
free_stream(pixel_format);
if (error == 0)
{
v->server_msg(v, "connection complete, connected ok", 0);
}
else
{
v->server_msg(v, "error - problem connecting", 0);
}
return error;
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}
/******************************************************************************/
int DEFAULT_CC
lib_mod_end(struct vnc* v)
{
if (v->vnc_desktop != 0)
{
}
return 0;
}
/******************************************************************************/
int DEFAULT_CC
lib_mod_set_param(struct vnc* v, char* name, char* value)
{
if (g_strcasecmp(name, "username") == 0)
{
g_strncpy(v->username, value, 255);
}
else if (g_strcasecmp(name, "password") == 0)
{
g_strncpy(v->password, value, 255);
}
else if (g_strcasecmp(name, "ip") == 0)
{
g_strncpy(v->ip, value, 255);
}
else if (g_strcasecmp(name, "port") == 0)
{
g_strncpy(v->port, value, 255);
}
else if (g_strcasecmp(name, "keylayout") == 0)
{
v->keylayout = g_atoi(value);
}
return 0;
}
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/******************************************************************************/
struct vnc* EXPORT_CC
mod_init(void)
20 years ago
{
struct vnc* v;
v = (struct vnc*)g_malloc(sizeof(struct vnc), 1);
/* set client functions */
v->size = sizeof(struct vnc);
v->handle = (long)v;
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v->mod_connect = lib_mod_connect;
v->mod_start = lib_mod_start;
v->mod_event = lib_mod_event;
v->mod_signal = lib_mod_signal;
v->mod_end = lib_mod_end;
v->mod_set_param = lib_mod_set_param;
return v;
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}
/******************************************************************************/
int EXPORT_CC
mod_exit(struct vnc* v)
20 years ago
{
if (v == 0)
{
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return 0;
}
20 years ago
g_tcp_close(v->sck);
g_free(v);
return 0;
}