nxcomp: Switch to autoreconf.

1 files changed, 0 insertions, 753 deletions

diff --git a/nxcomp/Socket.cpp b/nxcomp/Socket.cpp
deleted file mode 100644
index 28cb5646d..000000000
--- a/nxcomp/Socket.cpp
+++ /dev/null
@@ -1,753 +0,0 @@
-/**************************************************************************/
-/*                                                                        */
-/* Copyright (c) 2001, 2011 NoMachine (http://www.nomachine.com)          */
-/* Copyright (c) 2008-2014 Oleksandr Shneyder <o.shneyder@phoca-gmbh.de>  */
-/* Copyright (c) 2014-2016 Ulrich Sibiller <uli42@gmx.de>                 */
-/* Copyright (c) 2014-2016 Mihai Moldovan <ionic@ionic.de>                */
-/* Copyright (c) 2011-2016 Mike Gabriel <mike.gabriel@das-netzwerkteam.de>*/
-/* Copyright (c) 2015-2016 Qindel Group (http://www.qindel.com)           */
-/*                                                                        */
-/* NXCOMP, 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.nxcomp 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 <sys/types.h>
-#include <sys/utsname.h>
-
-#if defined(__CYGWIN32__) || defined(__APPLE__) || defined(__FreeBSD__) || defined(__sun)
-#include <netinet/in_systm.h>
-#endif
-
-#ifdef __sun
-#include <unistd.h>
-#include <sys/termios.h>
-#endif
-
-#include <netinet/in.h>
-#include <netinet/ip.h>
-#include <netinet/tcp.h>
-#include <arpa/inet.h>
-
-#include <netdb.h>
-#include <fcntl.h>
-
-//
-// System specific defines.
-//
-
-#if defined(__APPLE__) || defined(__FreeBSD__) || defined(__sun)
-#define SOL_IP  IPPROTO_IP
-#endif
-
-#ifdef __sun
-#define INADDR_NONE  ((unsigned int) -1)
-#endif
-
-//
-// The TIOCOUTQ ioctl is not implemented on Cygwin.
-// Note also that TIOCOUTQ and IPTOS_LOWDELAY are
-// disabled when running on MacOS/X.
-//
-
-#ifdef __CYGWIN32__
-#define TIOCOUTQ  ((unsigned int) -1)
-#endif
-
-//
-// NX includes.
-//
-
-#include "Misc.h"
-#include "Socket.h"
-
-//
-// Set verbosity level.
-//
-
-#define PANIC
-#define WARNING
-#undef  TEST
-#undef  DEBUG
-
-//
-// Set this only once by querying OS details.
-//
-
-static int _kernelStep = -1;
-
-int GetKernelStep()
-{
-  if (_kernelStep < 0)
-  {
-    //
-    // At the moment only NX clients run on Win32
-    // and MacOS/X so we are not really interested
-    // in the relevant OS dependent functions.
-    //
-
-    #if defined(__CYGWIN32__) || defined(__APPLE__)
-
-    _kernelStep = 0;
-
-    #else
-
-    struct utsname buffer;
-
-    if (uname(&buffer) < 0)
-    {
-      #ifdef WARNING
-      *logofs << "Socket: WARNING! Failed to get system info. Error is "
-              << EGET() << " '" << ESTR() << "'.\n" << logofs_flush;
-
-      *logofs << "Socket: WARNING! Assuming lowest system support.\n"
-              << logofs_flush;
-      #endif
-
-      cerr << "Warning" << ": Failed to get system info. Error is "
-           << EGET() << " '" << ESTR() << "'.\n";
-
-      cerr << "Warning" << ": Assuming lowest system support.\n";
-
-      _kernelStep = 0;
-    }
-    else
-    {
-      #ifdef TEST
-      *logofs << "Socket: System is '" << buffer.sysname
-              << "' nodename '" << buffer.nodename << "' release '"
-              << buffer.release << "'.\n" << logofs_flush;
-
-      *logofs << "Socket: Version is '" << buffer.version << "' machine '"
-              << buffer.machine << "'.\n" << logofs_flush;
-      #endif
-
-      //
-      // Should test support on other operating systems.
-      //
-
-      if (strcmp(buffer.sysname, "Linux") == 0)
-      {
-        if (strncmp(buffer.release, "2.0.", 4) == 0 ||
-                strncmp(buffer.release, "2.2.", 4) == 0)
-        {
-          #ifdef TEST
-          *logofs << "Socket: Assuming level 2 system support.\n"
-                  << logofs_flush;
-          #endif
-
-          _kernelStep = 2;
-        }
-        else
-        {
-          #ifdef TEST
-          *logofs << "Socket: Assuming level 3 system support.\n"
-                  << logofs_flush;
-          #endif
-
-          _kernelStep = 3;
-        }
-      }
-      else if (strcmp(buffer.sysname, "SunOS") == 0)
-      {
-        #ifdef TEST
-        *logofs << "Socket: Assuming level 1 system support.\n"
-                << logofs_flush;
-        #endif
-
-        _kernelStep = 1;
-      }
-      else
-      {
-        #ifdef TEST
-        *logofs << "Socket: Assuming level 0 system support.\n"
-                << logofs_flush;
-        #endif
-
-        _kernelStep = 0;
-      }
-    }
-
-    #endif /* #if defined(__CYGWIN32__) || defined(__APPLE__) */
-  }
-
-  return _kernelStep;
-}
-  
-int SetReuseAddress(int fd)
-{
-  int flag = 1;
-
-  if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR,
-                     (char *) &flag, sizeof(flag)) < 0)
-  {
-    #ifdef PANIC
-    *logofs << "Socket: PANIC! Failed to set SO_REUSEADDR flag on FD#"
-            << fd << ". Error is " << EGET() << " '" << ESTR() << "'.\n"
-            << logofs_flush;
-    #endif
-
-    cerr << "Error" << ": Failed to set SO_REUSEADDR flag on FD#"
-            << fd << ". Error is " << EGET() << " '" << ESTR()
-            << "'.\n";
-
-    return -1;
-  }
-  #ifdef TEST
-  else
-  {
-    *logofs << "Socket: Set SO_REUSEADDR flag on FD#"
-            << fd << ".\n" << logofs_flush;
-  }
-  #endif
-
-  return 1;
-}
-
-int SetNonBlocking(int fd, int value)
-{
-  int flags = fcntl(fd, F_GETFL);
-
-  if (flags >= 0)
-  {
-    if (value == 0)
-    {
-      flags &= ~O_NONBLOCK;
-    }
-    else
-    {
-      flags |= O_NONBLOCK;
-    }
-  }
-
-  if (flags < 0 || fcntl(fd, F_SETFL, flags) < 0)
-  {
-    #ifdef PANIC
-    *logofs << "Socket: PANIC! Failed to set O_NONBLOCK flag on FD#"
-            << fd << " to " << value << ". Error is " << EGET()
-            << " '" << ESTR() << "'.\n" << logofs_flush;
-    #endif
-
-    cerr << "Error" << ": Failed to set O_NONBLOCK flag on FD#"
-         << fd << " to " << value << ". Error is " << EGET()
-         << " '" << ESTR() << "'.\n";
-
-    return -1;
-  }
-  #ifdef TEST
-  else
-  {
-    *logofs << "Socket: Set O_NONBLOCK flag on FD#"
-            << fd << " to " << value << ".\n"
-            << logofs_flush;
-  }
-  #endif
-
-  return 1;
-}
-
-int SetLingerTimeout(int fd, int timeout)
-{
-  struct linger linger_value;
-
-  if (timeout > 0)
-  {
-    linger_value.l_onoff  = 1;
-    linger_value.l_linger = timeout;
-  }
-  else
-  {
-    linger_value.l_onoff  = 0;
-    linger_value.l_linger = 0;
-  }
-
-  if (setsockopt(fd, SOL_SOCKET, SO_LINGER, &linger_value, sizeof(linger_value)) < 0)
-  {
-    #ifdef PANIC
-    *logofs << "Socket: PANIC! Failed to set SO_LINGER values to "
-            << linger_value.l_onoff << " and " << linger_value.l_linger
-            << " on FD#" << fd << ". Error is " << EGET() << " '"
-            << ESTR() << "'.\n" << logofs_flush;
-    #endif
-
-    cerr << "Error" << ": Failed to set SO_LINGER values to "
-         << linger_value.l_onoff << " and " << linger_value.l_linger
-         << " on FD#" << fd << ". Error is " << EGET() << " '"
-         << ESTR() << "'.\n";
-
-    return -1;
-  }
-  #ifdef TEST
-  else
-  {
-    *logofs << "Socket: Set SO_LINGER values to "
-            << linger_value.l_onoff << " and " << linger_value.l_linger
-            << " on FD#" << fd << ".\n" << logofs_flush;
-  }
-  #endif
-
-  return 1;
-}
-
-int SetSendBuffer(int fd, int size)
-{
-  if (setsockopt(fd, SOL_SOCKET, SO_SNDBUF, &size, sizeof(size)) < 0)
-  {
-    #ifdef PANIC
-    *logofs << "Socket: PANIC! Failed to set SO_SNDBUF size to "
-            << size << " on FD#" << fd << ". Error is "
-            << EGET() << " '" << ESTR() << "'.\n"
-            << logofs_flush;
-    #endif
-
-    cerr << "Error" << ": Failed to set SO_SNDBUF size to "
-         << size << " on FD#" << fd << ". Error is "
-         << EGET() << " '" << ESTR() << "'.\n";
-
-    return -1;
-  }
-  #ifdef TEST
-  else
-  {
-    *logofs << "Socket: Set SO_SNDBUF on FD#" << fd
-            << " to " << size << " bytes.\n"
-            << logofs_flush;
-  }
-  #endif
-
-  return 1;
-}
-
-int SetReceiveBuffer(int fd, int size)
-{
-  if (setsockopt(fd, SOL_SOCKET, SO_RCVBUF, &size, sizeof(size)) < 0)
-  {
-    #ifdef PANIC
-    *logofs << "Socket: PANIC! Failed to set SO_RCVBUF size to "
-            << size << " on FD#" << fd << ". Error is "
-            << EGET() << " '" << ESTR() << "'.\n"
-            << logofs_flush;
-    #endif
-
-    cerr << "Error" << ": Failed to set SO_RCVBUF size to "
-         << size << " on FD#" << fd << ". Error is "
-         << EGET() << " '" << ESTR() << "'.\n";
-
-    return -1;
-  }
-  #ifdef TEST
-  else
-  {
-    *logofs << "Socket: Set SO_RCVBUF on FD#" << fd
-            << " to " << size << " bytes.\n"
-            << logofs_flush;
-  }
-  #endif
-
-  return 1;
-}
-
-int SetNoDelay(int fd, int value)
-{
-  int result = setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, &value, sizeof(value));
-
-  if (result == 0)
-  {
-    result = 1;
-  }
-  else if (result < 0)
-  {
-    //
-    // Is it become a different error on
-    // Mac OSX 10.4?
-    //
-
-    #if defined(__APPLE__)
-
-    result = 0;
-
-    #endif
-
-    #if defined(__sun)
-
-    if (EGET() == ENOPROTOOPT)
-    {
-      result = 0;
-    }
-
-    #endif
-
-    #if !defined(__APPLE__) && !defined(__sun)
-
-    if (EGET() == EOPNOTSUPP)
-    {
-      result = 0;
-    }
-
-    #endif
-  }
-
-  if (result < 0)
-  {
-    #ifdef PANIC
-    *logofs << "Socket: PANIC! Failed to set TCP_NODELAY flag on "
-            << "FD#" << fd << " to " << value << ". Error is "
-            << EGET() << " '" << ESTR() << "'.\n" << logofs_flush;
-    #endif
-
-    cerr << "Error" << ": Failed to set TCP_NODELAY flag on "
-         << "FD#" << fd << " to " << value << ". Error is "
-         << EGET() << " '" << ESTR() << "'.\n";
-  }
-  #ifdef TEST
-  else if (result == 0)
-  {
-    #ifdef TEST
-    *logofs << "Socket: Option TCP_NODELAY not supported "
-            << "on FD#" << fd << ".\n" << logofs_flush;
-    #endif
-  }
-  else
-  {
-    *logofs << "Socket: Set TCP_NODELAY flag on FD#"
-            << fd << " to " << value << ".\n"
-            << logofs_flush;
-  }
-  #endif
-
-  return result;
-}
-
-int SetKeepAlive(int fd)
-{
-  int flag = 1;
-
-  if (setsockopt(fd, SOL_SOCKET, SO_KEEPALIVE, &flag, sizeof(flag)) < 0)
-  {
-    #ifdef PANIC
-    *logofs << "Socket: PANIC! Failed to set SO_KEEPALIVE flag on "
-            << "FD#" << fd << ". Error is " << EGET() << " '"
-            << ESTR() << "'.\n" << logofs_flush;
-    #endif
-
-    cerr << "Error" << ": Failed to set SO_KEEPALIVE flag on "
-         << "FD#" << fd << ". Error is " << EGET() << " '"
-         << ESTR() << "'.\n";
-
-    return -1;
-  }
-  #ifdef TEST
-  else
-  {
-    *logofs << "Socket: Set SO_KEEPALIVE flag on FD#"
-            << fd << ".\n" << logofs_flush;
-  }
-  #endif
-
-  return 1;
-}
-
-int SetLowDelay(int fd)
-{
-  if (_kernelStep < 0)
-  {
-    GetKernelStep();
-  }
-
-  switch (_kernelStep)
-  {
-    case 3:
-    case 2:
-    case 1:
-    {
-      int flag = IPTOS_LOWDELAY;
-
-      if (setsockopt(fd, SOL_IP, IP_TOS, &flag, sizeof(flag)) < 0)
-      {
-        if (EGET() == EOPNOTSUPP)
-        {
-          #ifdef TEST
-          *logofs << "Socket: Option IPTOS_LOWDELAY not supported "
-                  << "on FD#" << fd << ".\n" << logofs_flush;
-          #endif
-
-          return 0;
-        }
-        else
-        {
-          #ifdef WARNING
-          *logofs << "Socket: WARNING! Failed to set IPTOS_LOWDELAY flag on "
-                  << "FD#" << fd << ". Error is " << EGET() << " '" << ESTR()
-                  << "'.\n" << logofs_flush;
-          #endif
-
-          cerr << "Warning" << ": Failed to set IPTOS_LOWDELAY flag on "
-               << "FD#" << fd << ". Error is " << EGET() << " '" << ESTR()
-               << "'.\n";
-
-          return -1;
-        }
-      }
-      #ifdef TEST
-      else
-      {
-        *logofs << "Socket: Set IPTOS_LOWDELAY flag on FD#"
-                << fd << ".\n" << logofs_flush;
-      }
-      #endif
-
-      return 1;
-    }
-    default:
-    {
-      #ifdef TEST
-      *logofs << "Socket: Option IPTOS_LOWDELAY not "
-              << "supported on FD#" << fd << ".\n"
-              << logofs_flush;
-      #endif
-
-      return 0;
-    }
-  }
-}
-
-int SetCloseOnExec(int fd)
-{
-  if (fcntl(fd, F_SETFD, 1) != 0)
-  {
-    #ifdef TEST
-    *logofs << "NXClient: PANIC! Cannot set close-on-exec "
-            << "on FD#" << fd << ". Error is " << EGET()
-            << " '" << ESTR() << "'.\n" << logofs_flush;
-    #endif
-
-    cerr << "Error" << ": Cannot set close-on-exec on FD#"
-         << fd << ". Error is " << EGET() << " '" << ESTR()
-         << "'.\n";
-
-    return -1;
-  }
-
-  return 1;
-}
-
-int GetBytesReadable(int fd)
-{
-  long readable = 0;
-
-  //
-  // It may fail, for example at session
-  // shutdown.
-  //
-
-  if (ioctl(fd, FIONREAD, &readable) < 0)
-  {
-    #ifdef TEST
-    *logofs << "Socket: PANIC! Failed to get bytes readable "
-            << "from FD#" << fd << ". Error is " << EGET()
-            << " '" << ESTR() << "'.\n" << logofs_flush;
-    #endif
-
-    return -1;
-  }
-
-  #ifdef TEST
-  *logofs << "Socket: Returning " << (int) readable
-          << " bytes readable on FD#" << fd << ".\n"
-           << logofs_flush;
-  #endif
-
-  return (int) readable;
-}
-
-int GetBytesWritable(int fd)
-{
-  if (_kernelStep < 0)
-  {
-    GetKernelStep();
-  }
-
-  long writable;
-
-  switch (_kernelStep)
-  {
-    case 3:
-    {
-      //
-      // TODO: Should query the real size
-      // of the TCP write buffer.
-      //
-
-      writable = 16384 - GetBytesQueued(fd);
-
-      if (writable < 0)
-      {
-        writable = 0;
-      }
-
-      break;
-    }
-    case 2:
-    {
-      if (ioctl(fd, TIOCOUTQ, (void *) &writable) < 0)
-      {
-        #ifdef PANIC
-        *logofs << "Socket: PANIC! Failed to get bytes writable "
-                << "on FD#" << fd << ". Error is " << EGET()
-                << " '" << ESTR() << "'.\n" << logofs_flush;
-        #endif
-
-        cerr << "Error" << ": Failed to get bytes writable "
-             << "on FD#" << fd << ". Error is " << EGET()
-             << " '" << ESTR() << "'.\n";
-
-        return -1;
-      }
-
-      break;
-    }
-    default:
-    {
-      #ifdef TEST
-      *logofs << "Socket: Option TIOCOUTQ not supported "
-              << "on FD#" << fd << ",\n" << logofs_flush;
-      #endif
-
-      //
-      // TODO: Should query the real size
-      // of the TCP write buffer.
-      //
-
-      writable = 16384;
-
-      break;
-    }
-  }
-
-  #ifdef TEST
-  *logofs << "Socket: Returning " << writable
-          << " bytes writable on FD#" << fd
-          << ".\n" << logofs_flush;
-  #endif
-
-  return (int) writable;
-}
-
-int GetBytesQueued(int fd)
-{
-  //
-  // The TIOCOUTQ ioctl is not implemented on Cygwin
-  // and returns the space available on Linux Kernels
-  // 2.0 and 2.2 (like current MIPS for PS/2).
-  //
-
-  if (_kernelStep < 0)
-  {
-    GetKernelStep();
-  }
-
-  long queued;
-
-  switch (_kernelStep)
-  {
-    case 3:
-    {
-      if (ioctl(fd, TIOCOUTQ, (void *) &queued) < 0)
-      {
-        #ifdef PANIC
-        *logofs << "Socket: PANIC! Failed to get bytes queued "
-                << "on FD#" << fd << ". Error is " << EGET()
-                << " '" << ESTR() << "'.\n" << logofs_flush;
-        #endif
-
-        cerr << "Error" << ": Failed to get bytes queued "
-             << "on FD#" << fd << ". Error is " << EGET()
-             << " '" << ESTR() << "'.\n";
-
-        return -1;
-      }
-
-      break;
-    }
-    case 2:
-    {
-      //
-      // TODO: Should query the real size
-      // of the TCP write buffer.
-      //
-
-      queued = 16384 - GetBytesWritable(fd);
-
-      if (queued < 0)
-      {
-        queued = 0;
-      }
-
-      break;
-    }
-    default:
-    {
-      #ifdef TEST
-      *logofs << "Socket: Option TIOCOUTQ not supported "
-              << "on FD#" << fd << ",\n" << logofs_flush;
-      #endif
-
-      queued = 0;
-
-      break;
-    }
-  }
-
-  #ifdef TEST
-  *logofs << "Socket: Returning " << queued
-          << " bytes queued on FD#" << fd
-          << ".\n" << logofs_flush;
-  #endif
-
-  return (int) queued;
-}
-
-int GetHostAddress(const char *name)
-{
-  hostent *host = gethostbyname(name);
-
-  if (host == NULL)
-  {
-    //
-    // On some Unices gethostbyname() doesn't
-    // accept IP addresses, so try inet_addr.
-    //
-
-    IN_ADDR_T address = inet_addr(name);
-
-    if (address == INADDR_NONE)
-    {
-      #ifdef PANIC
-      *logofs << "Socket: PANIC! Failed to resolve address of '"
-              << name << "'.\n" << logofs_flush;
-      #endif
-
-      cerr << "Error" << ": Failed to resolve address of '"
-           << name << "'.\n";
-
-      return 0;
-    }
-
-    return (int) address;
-  }
-  else
-  {
-    return (*((int *) host -> h_addr_list[0]));
-  }
-}