seamless.c revision d65680efa46fa49e8bf14e67b29b782510ff934c
/* -*- c-basic-offset: 8 -*-
rdesktop: A Remote Desktop Protocol client.
Seamless Windows support
Copyright 2005-2007 Peter Astrand <astrand@cendio.se> for Cendio AB
Copyright 2007 Pierre Ossman <ossman@cendio.se> for Cendio AB
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.
*/
/*
* Sun GPL Disclaimer: For the avoidance of doubt, except that if any license choice
* other than GPL or LGPL is available it will apply instead, Sun elects to use only
* the General Public License version 2 (GPLv2) at this time for any software where
* a choice of GPL license versions is made available with the language indicating
* that GPLv2 or any later version may be used, or where a choice of which version
* of the GPL is applied is otherwise unspecified.
*/
#include "rdesktop.h"
#include <stdarg.h>
#include <assert.h>
#ifdef WITH_DEBUG_SEAMLESS
#define DEBUG_SEAMLESS(args) printf args;
#else
#define DEBUG_SEAMLESS(args)
#endif
extern RD_BOOL g_seamless_rdp;
static VCHANNEL *seamless_channel;
static unsigned int seamless_serial;
static char icon_buf[1024];
static char *
seamless_get_token(char **s)
{
char *comma, *head;
head = *s;
if (!head)
return NULL;
comma = strchr(head, ',');
if (comma)
{
*comma = '\0';
*s = comma + 1;
}
else
{
*s = NULL;
}
return head;
}
static RD_BOOL
seamless_process_line(const char *line, void *data)
{
char *p, *l;
char *tok1, *tok2, *tok3, *tok4, *tok5, *tok6, *tok7, *tok8;
unsigned long id, flags;
char *endptr;
l = xstrdup(line);
p = l;
DEBUG_SEAMLESS(("seamlessrdp got:%s\n", p));
tok1 = seamless_get_token(&p);
tok2 = seamless_get_token(&p);
tok3 = seamless_get_token(&p);
tok4 = seamless_get_token(&p);
tok5 = seamless_get_token(&p);
tok6 = seamless_get_token(&p);
tok7 = seamless_get_token(&p);
tok8 = seamless_get_token(&p);
if (!strcmp("CREATE", tok1))
{
unsigned long group, parent;
if (!tok6)
return False;
id = strtoul(tok3, &endptr, 0);
if (*endptr)
return False;
group = strtoul(tok4, &endptr, 0);
if (*endptr)
return False;
parent = strtoul(tok5, &endptr, 0);
if (*endptr)
return False;
flags = strtoul(tok6, &endptr, 0);
if (*endptr)
return False;
ui_seamless_create_window(id, group, parent, flags);
}
else if (!strcmp("DESTROY", tok1))
{
if (!tok4)
return False;
id = strtoul(tok3, &endptr, 0);
if (*endptr)
return False;
flags = strtoul(tok4, &endptr, 0);
if (*endptr)
return False;
ui_seamless_destroy_window(id, flags);
}
else if (!strcmp("DESTROYGRP", tok1))
{
if (!tok4)
return False;
id = strtoul(tok3, &endptr, 0);
if (*endptr)
return False;
flags = strtoul(tok4, &endptr, 0);
if (*endptr)
return False;
ui_seamless_destroy_group(id, flags);
}
else if (!strcmp("SETICON", tok1))
{
int chunk, width, height, len;
char byte[3];
if (!tok8)
return False;
id = strtoul(tok3, &endptr, 0);
if (*endptr)
return False;
chunk = strtoul(tok4, &endptr, 0);
if (*endptr)
return False;
width = strtoul(tok6, &endptr, 0);
if (*endptr)
return False;
height = strtoul(tok7, &endptr, 0);
if (*endptr)
return False;
byte[2] = '\0';
len = 0;
while (*tok8 != '\0')
{
byte[0] = *tok8;
tok8++;
if (*tok8 == '\0')
return False;
byte[1] = *tok8;
tok8++;
icon_buf[len] = strtol(byte, NULL, 16);
len++;
}
ui_seamless_seticon(id, tok5, width, height, chunk, icon_buf, len);
}
else if (!strcmp("DELICON", tok1))
{
int width, height;
if (!tok6)
return False;
id = strtoul(tok3, &endptr, 0);
if (*endptr)
return False;
width = strtoul(tok5, &endptr, 0);
if (*endptr)
return False;
height = strtoul(tok6, &endptr, 0);
if (*endptr)
return False;
ui_seamless_delicon(id, tok4, width, height);
}
else if (!strcmp("POSITION", tok1))
{
int x, y, width, height;
if (!tok8)
return False;
id = strtoul(tok3, &endptr, 0);
if (*endptr)
return False;
x = strtol(tok4, &endptr, 0);
if (*endptr)
return False;
y = strtol(tok5, &endptr, 0);
if (*endptr)
return False;
width = strtol(tok6, &endptr, 0);
if (*endptr)
return False;
height = strtol(tok7, &endptr, 0);
if (*endptr)
return False;
flags = strtoul(tok8, &endptr, 0);
if (*endptr)
return False;
ui_seamless_move_window(id, x, y, width, height, flags);
}
else if (!strcmp("ZCHANGE", tok1))
{
unsigned long behind;
id = strtoul(tok3, &endptr, 0);
if (*endptr)
return False;
behind = strtoul(tok4, &endptr, 0);
if (*endptr)
return False;
flags = strtoul(tok5, &endptr, 0);
if (*endptr)
return False;
ui_seamless_restack_window(id, behind, flags);
}
else if (!strcmp("TITLE", tok1))
{
if (!tok5)
return False;
id = strtoul(tok3, &endptr, 0);
if (*endptr)
return False;
flags = strtoul(tok5, &endptr, 0);
if (*endptr)
return False;
ui_seamless_settitle(id, tok4, flags);
}
else if (!strcmp("STATE", tok1))
{
unsigned int state;
if (!tok5)
return False;
id = strtoul(tok3, &endptr, 0);
if (*endptr)
return False;
state = strtoul(tok4, &endptr, 0);
if (*endptr)
return False;
flags = strtoul(tok5, &endptr, 0);
if (*endptr)
return False;
ui_seamless_setstate(id, state, flags);
}
else if (!strcmp("DEBUG", tok1))
{
DEBUG_SEAMLESS(("SeamlessRDP:%s\n", line));
}
else if (!strcmp("SYNCBEGIN", tok1))
{
if (!tok3)
return False;
flags = strtoul(tok3, &endptr, 0);
if (*endptr)
return False;
ui_seamless_syncbegin(flags);
}
else if (!strcmp("SYNCEND", tok1))
{
if (!tok3)
return False;
flags = strtoul(tok3, &endptr, 0);
if (*endptr)
return False;
/* do nothing, currently */
}
else if (!strcmp("HELLO", tok1))
{
if (!tok3)
return False;
flags = strtoul(tok3, &endptr, 0);
if (*endptr)
return False;
ui_seamless_begin(!!(flags & SEAMLESSRDP_HELLO_HIDDEN));
}
else if (!strcmp("ACK", tok1))
{
unsigned int serial;
serial = strtoul(tok3, &endptr, 0);
if (*endptr)
return False;
ui_seamless_ack(serial);
}
else if (!strcmp("HIDE", tok1))
{
if (!tok3)
return False;
flags = strtoul(tok3, &endptr, 0);
if (*endptr)
return False;
ui_seamless_hide_desktop();
}
else if (!strcmp("UNHIDE", tok1))
{
if (!tok3)
return False;
flags = strtoul(tok3, &endptr, 0);
if (*endptr)
return False;
ui_seamless_unhide_desktop();
}
xfree(l);
return True;
}
static RD_BOOL
seamless_line_handler(const char *line, void *data)
{
if (!seamless_process_line(line, data))
{
warning("SeamlessRDP: Invalid request:%s\n", line);
}
return True;
}
static void
seamless_process(STREAM s)
{
unsigned int pkglen;
static char *rest = NULL;
char *buf;
pkglen = s->end - s->p;
/* str_handle_lines requires null terminated strings */
buf = xmalloc(pkglen + 1);
STRNCPY(buf, (char *) s->p, pkglen + 1);
#if 0
printf("seamless recv:\n");
hexdump(s->p, pkglen);
#endif
str_handle_lines(buf, &rest, seamless_line_handler, NULL);
xfree(buf);
}
RD_BOOL
seamless_init(void)
{
if (!g_seamless_rdp)
return False;
seamless_serial = 0;
seamless_channel =
channel_register("seamrdp", CHANNEL_OPTION_INITIALIZED | CHANNEL_OPTION_ENCRYPT_RDP,
seamless_process);
return (seamless_channel != NULL);
}
static unsigned int
seamless_send(const char *command, const char *format, ...)
{
STREAM s;
size_t len;
va_list argp;
char buf[1025];
len = snprintf(buf, sizeof(buf) - 1, "%s,%u,", command, seamless_serial);
assert(len < (sizeof(buf) - 1));
va_start(argp, format);
len += vsnprintf(buf + len, sizeof(buf) - len - 1, format, argp);
va_end(argp);
assert(len < (sizeof(buf) - 1));
buf[len] = '\n';
buf[len + 1] = '\0';
len++;
s = channel_init(seamless_channel, len);
out_uint8p(s, buf, len) s_mark_end(s);
DEBUG_SEAMLESS(("SeamlessRDP sending:%s", buf));
#if 0
printf("seamless send:\n");
hexdump(s->channel_hdr + 8, s->end - s->channel_hdr - 8);
#endif
channel_send(s, seamless_channel);
return seamless_serial++;
}
unsigned int
seamless_send_sync()
{
if (!g_seamless_rdp)
return (unsigned int) -1;
return seamless_send("SYNC", "");
}
unsigned int
seamless_send_state(unsigned long id, unsigned int state, unsigned long flags)
{
if (!g_seamless_rdp)
return (unsigned int) -1;
return seamless_send("STATE", "0x%08lx,0x%x,0x%lx", id, state, flags);
}
unsigned int
seamless_send_position(unsigned long id, int x, int y, int width, int height, unsigned long flags)
{
return seamless_send("POSITION", "0x%08lx,%d,%d,%d,%d,0x%lx", id, x, y, width, height,
flags);
}
/* Update select timeout */
void
seamless_select_timeout(struct timeval *tv)
{
struct timeval ourtimeout = { 0, SEAMLESSRDP_POSITION_TIMER };
if (g_seamless_rdp)
{
if (timercmp(&ourtimeout, tv, <))
{
tv->tv_sec = ourtimeout.tv_sec;
tv->tv_usec = ourtimeout.tv_usec;
}
}
}
unsigned int
seamless_send_zchange(unsigned long id, unsigned long below, unsigned long flags)
{
if (!g_seamless_rdp)
return (unsigned int) -1;
return seamless_send("ZCHANGE", "0x%08lx,0x%08lx,0x%lx", id, below, flags);
}
unsigned int
seamless_send_focus(unsigned long id, unsigned long flags)
{
if (!g_seamless_rdp)
return (unsigned int) -1;
return seamless_send("FOCUS", "0x%08lx,0x%lx", id, flags);
}
/* Send client-to-server message to destroy process on the server. */
unsigned int
seamless_send_destroy(unsigned long id)
{
return seamless_send("DESTROY", "0x%08lx", id);
}