diff options
Diffstat (limited to 'nx-X11/programs/Xserver/hw/nxagent/Binder.c')
| -rw-r--r-- | nx-X11/programs/Xserver/hw/nxagent/Binder.c | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/nx-X11/programs/Xserver/hw/nxagent/Binder.c b/nx-X11/programs/Xserver/hw/nxagent/Binder.c new file mode 100644 index 000000000..ae1cd0f25 --- /dev/null +++ b/nx-X11/programs/Xserver/hw/nxagent/Binder.c @@ -0,0 +1,185 @@ +/**************************************************************************/ +/* */ +/* Copyright (c) 2001, 2011 NoMachine (http://www.nomachine.com) */ +/* Copyright (c) 2008-2014 Oleksandr Shneyder <o.shneyder@phoca-gmbh.de> */ +/* Copyright (c) 2011-2016 Mike Gabriel <mike.gabriel@das-netzwerkteam.de>*/ +/* Copyright (c) 2014-2016 Mihai Moldovan <ionic@ionic.de> */ +/* Copyright (c) 2014-2016 Ulrich Sibiller <uli42@gmx.de> */ +/* Copyright (c) 2015-2016 Qindel Group (http://www.qindel.com) */ +/* */ +/* NXAGENT, NX protocol compression and NX extensions to this software */ +/* are copyright of the aforementioned persons and companies. */ +/* */ +/* Redistribution and use of the present software is allowed according */ +/* to terms specified in the file LICENSE which comes in the source */ +/* distribution. */ +/* */ +/* All rights reserved. */ +/* */ +/* NOTE: This software has received contributions from various other */ +/* contributors, only the core maintainers and supporters are listed as */ +/* copyright holders. Please contact us, if you feel you should be listed */ +/* as copyright holder, as well. */ +/* */ +/**************************************************************************/ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <ctype.h> + +#include <nx/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); +} |