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/**************************************************************************/
/* */
/* Copyright (c) 2001, 2010 NoMachine, http://www.nomachine.com/. */
/* */
/* NXAGENT, NX protocol compression and NX extensions to this software */
/* are copyright of NoMachine. Redistribution and use of the present */
/* software is allowed according to terms specified in the file LICENSE */
/* which comes in the source distribution. */
/* */
/* Check http://www.nomachine.com/licensing.html for applicability. */
/* */
/* NX and NoMachine are trademarks of Medialogic S.p.A. */
/* */
/* All rights reserved. */
/* */
/**************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include "NX.h"
#include "Binder.h"
#include "Options.h"
/*
* Set here the required log level.
*/
#define PANIC
#define WARNING
#undef TEST
#undef DEBUG
int nxagentCheckBinder(int argc, char *argv[], int i)
{
if (++i < argc)
{
char *display;
char *found;
int port;
display = argv[i];
/*
* Check if a display specification follows
* the -B switch.
*/
found = rindex(display, ':');
if (found == NULL || *(found + 1) == '\0' ||
isdigit(*(found + 1)) == 0)
{
fprintf(stderr, "Error: Can't identify the display port in string '%s'.\n",
display);
return 0;
}
port = atoi(found + 1);
#ifdef TEST
fprintf(stderr, "nxagentCheckBinder: Identified agent display port [%d].\n",
port);
#endif
/*
* The NX options must be specified in the DISPLAY
* environment. Check if the display specified on
* the command line matches the NX virtual display.
*/
display = getenv("DISPLAY");
if (display == NULL || *display == '\0')
{
fprintf(stderr, "Error: No DISPLAY environment found.\n");
return 0;
}
found = rindex(display, ':');
if (found == NULL || *(found + 1) == '\0' ||
isdigit(*(found + 1)) == 0 || atoi(found + 1) != port)
{
fprintf(stderr, "Error: The NX display doesn't match the agent display :%d.\n",
port);
return 0;
}
#ifdef TEST
fprintf(stderr, "nxagentCheckBinder: Identified NX display port [%d].\n",
atoi(found + 1));
#endif
/*
* Save the proxy options. They will be later
* used to create the transport.
*/
nxagentChangeOption(Rootless, False);
nxagentChangeOption(Desktop, False);
nxagentChangeOption(Binder, True);
/*
* FIXME: This now points to the buffer that was
* returned by getenv(). It is to be decided how
* to handle the values of type string in the
* Options repository.
*/
nxagentChangeOption(BinderOptions, display);
return 2;
}
fprintf(stderr, "Error: No display port specified in command.\n");
return 0;
}
int nxagentBinderLoop()
{
struct timeval timeout;
char *options = nxagentOption(BinderOptions);
#ifdef TEST
fprintf(stderr, "nxagentBinderLoop: Creating the NX transport.\n");
#endif
if (NXTransCreate(NX_FD_ANY, NX_MODE_CLIENT, options) < 0)
{
#ifdef TEST
fprintf(stderr, "nxagentBinderLoop: PANIC! Error creating the NX transport.\n");
#endif
return -1;
}
#ifdef TEST
fprintf(stderr, "nxagentBinderLoop: Yielding control to the NX entry point.\n");
#endif
while (NXTransRunning(NX_FD_ANY))
{
#ifdef DEBUG
fprintf(stderr, "nxagentBinderLoop: Going to run a new NX proxy loop.\n");
#endif
timeout.tv_sec = 10;
timeout.tv_usec = 0;
NXTransContinue(&timeout);
#ifdef DEBUG
fprintf(stderr, "nxagentBinderLoop: Completed execution of the NX loop.\n");
#endif
}
#ifdef TEST
fprintf(stderr, "nxagentBinderLoop: Exiting the NX proxy binder loop.\n");
#endif
return 1;
}
void nxagentBinderExit(int code)
{
NXTransExit(code);
}
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