Merge branch 'feature/implement-gradle-build-system-#4676' into develop

12 files changed, 840 insertions, 0 deletions

diff --git a/app/openvpn/src/compat/Makefile.am b/app/openvpn/src/compat/Makefile.am
new file mode 100644
index 00000000..7ad44525
--- /dev/null
+++ b/app/openvpn/src/compat/Makefile.am
@@ -0,0 +1,29 @@
+#
+#  OpenVPN -- An application to securely tunnel IP networks
+#             over a single UDP port, with support for SSL/TLS-based
+#             session authentication and key exchange,
+#             packet encryption, packet authentication, and
+#             packet compression.
+#
+#  Copyright (C) 2002-2010 OpenVPN Technologies, Inc. <sales@openvpn.net>
+#  Copyright (C) 2006-2012 Alon Bar-Lev <alon.barlev@gmail.com>
+#
+
+MAINTAINERCLEANFILES = \
+	$(srcdir)/Makefile.in
+
+EXTRA_DIST = \
+	compat.vcxproj \
+	compat.vcxproj.filters
+
+noinst_LTLIBRARIES = libcompat.la
+
+libcompat_la_SOURCES = \
+	compat.h \
+	compat-stdbool.h \
+	compat-dirname.c \
+	compat-basename.c \
+	compat-gettimeofday.c \
+	compat-daemon.c \
+	compat-inet_ntop.c \
+	compat-inet_pton.c
diff --git a/app/openvpn/src/compat/compat-basename.c b/app/openvpn/src/compat/compat-basename.c
new file mode 100644
index 00000000..a0576919
--- /dev/null
+++ b/app/openvpn/src/compat/compat-basename.c
@@ -0,0 +1,50 @@
+/*
+ *  OpenVPN -- An application to securely tunnel IP networks
+ *             over a single UDP port, with support for SSL/TLS-based
+ *             session authentication and key exchange,
+ *             packet encryption, packet authentication, and
+ *             packet compression.
+ *
+ *  Copyright (C) 2011 - David Sommerseth <davids@redhat.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2
+ *  as published by the Free Software Foundation.
+ *
+ *  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 (see the file COPYING included with this
+ *  distribution); if not, write to the Free Software Foundation, Inc.,
+ *  59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#elif defined(_MSC_VER)
+#include "config-msvc.h"
+#endif
+
+#ifndef HAVE_BASENAME
+
+#include "compat.h"
+#include <string.h>
+
+/* Modified version based on glibc-2.14.1 by Roland McGrath <roland@gnu.org>
+ * This version is extended to handle both / and \ in path names
+ */
+char *
+basename (char *filename)
+{
+  char *p = strrchr (filename, '/');
+  if (!p) {
+    /* If NULL, check for \ instead ... might be Windows a path */
+    p = strrchr (filename, '\\');
+  }
+  return p ? p + 1 : (char *) filename;
+}
+
+#endif /* HAVE_BASENAME */
diff --git a/app/openvpn/src/compat/compat-daemon.c b/app/openvpn/src/compat/compat-daemon.c
new file mode 100644
index 00000000..dde96a20
--- /dev/null
+++ b/app/openvpn/src/compat/compat-daemon.c
@@ -0,0 +1,100 @@
+/*
+ *  OpenVPN -- An application to securely tunnel IP networks
+ *             over a single UDP port, with support for SSL/TLS-based
+ *             session authentication and key exchange,
+ *             packet encryption, packet authentication, and
+ *             packet compression.
+ *
+ *  Copyright (C) 2011 - David Sommerseth <davids@redhat.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2
+ *  as published by the Free Software Foundation.
+ *
+ *  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 (see the file COPYING included with this
+ *  distribution); if not, write to the Free Software Foundation, Inc.,
+ *  59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#elif defined(_MSC_VER)
+#include "config-msvc.h"
+#endif
+
+#ifndef HAVE_DAEMON
+
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+
+#ifdef HAVE_SYS_STAT_H
+#include <sys/stat.h>
+#endif
+
+#ifdef HAVE_FCNTL_H
+#include <fcntl.h>
+#endif
+
+#ifdef HAVE_ERRNO_H
+#include <errno.h>
+#endif
+
+int
+daemon(int nochdir, int noclose)
+{
+#if defined(HAVE_FORK) && defined(HAVE_SETSID)
+	switch (fork()) {
+		case -1:
+			return (-1);
+		case 0:
+		break;
+		default:
+			exit(0);
+	}
+
+	if (setsid() == -1)
+		return (-1);
+
+	if (!nochdir)
+		chdir("/");
+
+	if (!noclose) {
+#if defined(HAVE_DUP) && defined(HAVE_DUP2)
+		int fd;
+		if ((fd = open ("/dev/null", O_RDWR, 0)) != -1) {
+			dup2 (fd, 0);
+			dup2 (fd, 1);
+			dup2 (fd, 2);
+			if (fd > 2) {
+				close (fd);
+			}
+		}
+#endif
+	}
+
+	return 0;
+#else
+	(void)nochdir;
+	(void)noclose;
+	errno = EFAULT;
+	return -1;
+#endif
+}
+
+#endif
+
diff --git a/app/openvpn/src/compat/compat-dirname.c b/app/openvpn/src/compat/compat-dirname.c
new file mode 100644
index 00000000..88785950
--- /dev/null
+++ b/app/openvpn/src/compat/compat-dirname.c
@@ -0,0 +1,119 @@
+/*
+ *  OpenVPN -- An application to securely tunnel IP networks
+ *             over a single UDP port, with support for SSL/TLS-based
+ *             session authentication and key exchange,
+ *             packet encryption, packet authentication, and
+ *             packet compression.
+ *
+ *  Copyright (C) 2011 - David Sommerseth <davids@redhat.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2
+ *  as published by the Free Software Foundation.
+ *
+ *  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 (see the file COPYING included with this
+ *  distribution); if not, write to the Free Software Foundation, Inc.,
+ *  59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#elif defined(_MSC_VER)
+#include "config-msvc.h"
+#endif
+
+
+#ifndef HAVE_DIRNAME
+
+#include "compat.h"
+#include <string.h>
+
+/* Unoptimised version of glibc memrchr().
+ * This is considered fast enough, as only this compat
+ * version of dirname() depends on it.
+ */
+static const char *
+__memrchr(const char *str, int c, size_t n)
+{
+  const char *end = str;
+
+  end += n - 1; /* Go to the end of the string */
+  while (end >= str) {
+    if(c == *end)
+      return end;
+    else
+      end--;
+  }
+  return NULL;
+}
+
+/* Modified version based on glibc-2.14.1 by Ulrich Drepper <drepper@akkadia.org>
+ * This version is extended to handle both / and \ in path names.
+ */
+char *
+dirname (char *path)
+{
+  static const char dot[] = ".";
+  char *last_slash;
+  char separator = '/';
+
+  /* Find last '/'.  */
+  last_slash = path != NULL ? strrchr (path, '/') : NULL;
+  /* If NULL, check for \ instead ... might be Windows a path */
+  if (!last_slash) {
+    last_slash = path != NULL ? strrchr (path, '\\') : NULL;
+    separator = last_slash ? '\\' : '/';  /* Change the separator if \ was found */
+  }
+
+  if (last_slash != NULL && last_slash != path && last_slash[1] == '\0') {
+      /* Determine whether all remaining characters are slashes.  */
+      char *runp;
+
+      for (runp = last_slash; runp != path; --runp)
+	if (runp[-1] != separator)
+	  break;
+
+      /* The '/' is the last character, we have to look further.  */
+      if (runp != path)
+	last_slash = (char *) __memrchr (path, separator, runp - path);
+    }
+
+  if (last_slash != NULL) {
+      /* Determine whether all remaining characters are slashes.  */
+      char *runp;
+
+      for (runp = last_slash; runp != path; --runp)
+	if (runp[-1] != separator)
+	  break;
+
+      /* Terminate the path.  */
+      if (runp == path) {
+	  /* The last slash is the first character in the string.  We have to
+	     return "/".  As a special case we have to return "//" if there
+	     are exactly two slashes at the beginning of the string.  See
+	     XBD 4.10 Path Name Resolution for more information.  */
+	  if (last_slash == path + 1)
+	    ++last_slash;
+	  else
+	    last_slash = path + 1;
+	}
+      else
+	last_slash = runp;
+
+      last_slash[0] = '\0';
+  } else
+    /* This assignment is ill-designed but the XPG specs require to
+       return a string containing "." in any case no directory part is
+       found and so a static and constant string is required.  */
+    path = (char *) dot;
+
+  return path;
+}
+
+#endif /* HAVE_DIRNAME */
diff --git a/app/openvpn/src/compat/compat-gettimeofday.c b/app/openvpn/src/compat/compat-gettimeofday.c
new file mode 100644
index 00000000..0f32d5d1
--- /dev/null
+++ b/app/openvpn/src/compat/compat-gettimeofday.c
@@ -0,0 +1,131 @@
+/*
+ *  OpenVPN -- An application to securely tunnel IP networks
+ *             over a single UDP port, with support for SSL/TLS-based
+ *             session authentication and key exchange,
+ *             packet encryption, packet authentication, and
+ *             packet compression.
+ *
+ *  Copyright (C) 2002-2010 OpenVPN Technologies, Inc. <sales@openvpn.net>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2
+ *  as published by the Free Software Foundation.
+ *
+ *  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 (see the file COPYING included with this
+ *  distribution); if not, write to the Free Software Foundation, Inc.,
+ *  59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#elif defined(_MSC_VER)
+#include "config-msvc.h"
+#endif
+
+#ifndef HAVE_GETTIMEOFDAY
+
+#include "compat.h"
+
+#ifdef WIN32
+/*
+ * NOTICE: mingw has much faster gettimeofday!
+ * autoconf will set HAVE_GETTIMEOFDAY
+ */
+
+#include <windows.h>
+#include <time.h>
+
+static time_t gtc_base = 0;
+static DWORD gtc_last = 0;
+static time_t last_sec = 0;
+static unsigned int last_msec = 0;
+static int bt_last = 0;
+
+static void
+gettimeofday_calibrate (void)
+{
+  const time_t t = time(NULL);
+  const DWORD gtc = GetTickCount();
+  gtc_base = t - gtc/1000;
+  gtc_last = gtc;
+}
+
+/*
+ * Rewritten by JY for OpenVPN 2.1, after I realized that
+ * QueryPerformanceCounter takes nearly 2 orders of magnitude
+ * more processor cycles than GetTickCount.
+ */
+int
+gettimeofday (struct timeval *tv, void *tz)
+{
+  const DWORD gtc = GetTickCount();
+  int bt = 0;
+  time_t sec;
+  unsigned int msec;
+  const int backtrack_hold_seconds = 10;
+
+  (void)tz;
+
+  /* recalibrate at the dreaded 49.7 day mark */
+  if (!gtc_base || gtc < gtc_last)
+    gettimeofday_calibrate ();
+  gtc_last = gtc;
+
+  sec = gtc_base + gtc / 1000;
+  msec = gtc % 1000;
+
+  if (sec == last_sec)
+    {
+      if (msec < last_msec)
+	{
+	  msec = last_msec;
+	  bt = 1;
+	}
+    }
+  else if (sec < last_sec)
+    {
+      /* We try to dampen out backtracks of less than backtrack_hold_seconds.
+	 Larger backtracks will be passed through and dealt with by the
+	 TIME_BACKTRACK_PROTECTION code (if enabled) */
+      if (sec > last_sec - backtrack_hold_seconds)
+	{
+	  sec = last_sec;
+	  msec = last_msec;
+	}
+      bt = 1;
+    }
+
+  tv->tv_sec = (long)last_sec = (long)sec;
+  tv->tv_usec = (last_msec = msec) * 1000;
+
+  if (bt && !bt_last)
+    gettimeofday_calibrate ();
+  bt_last = bt;
+
+  return 0;
+}
+
+#else
+
+#ifdef HAVE_TIME_H
+#include <time.h>
+#endif
+
+int
+gettimeofday (struct timeval *tv, void *tz)
+{
+	(void)tz;
+	tv->tv_sec = time(NULL);
+	tv->tv_usec = 0;
+	return 0;
+}
+
+#endif /* WIN32 */
+
+#endif /* HAVE_GETTIMEOFDAY */
diff --git a/app/openvpn/src/compat/compat-inet_ntop.c b/app/openvpn/src/compat/compat-inet_ntop.c
new file mode 100644
index 00000000..0d521425
--- /dev/null
+++ b/app/openvpn/src/compat/compat-inet_ntop.c
@@ -0,0 +1,76 @@
+/*
+ *  OpenVPN -- An application to securely tunnel IP networks
+ *             over a single UDP port, with support for SSL/TLS-based
+ *             session authentication and key exchange,
+ *             packet encryption, packet authentication, and
+ *             packet compression.
+ *
+ *  Copyright (C) 2011 - David Sommerseth <davids@redhat.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2
+ *  as published by the Free Software Foundation.
+ *
+ *  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 (see the file COPYING included with this
+ *  distribution); if not, write to the Free Software Foundation, Inc.,
+ *  59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#elif defined(_MSC_VER)
+#include "config-msvc.h"
+#endif
+
+#ifndef HAVE_INET_NTOP
+
+#include "compat.h"
+
+#ifdef WIN32
+
+#include <windows.h>
+
+/*
+ * inet_ntop() and inet_pton() wrap-implementations using
+ * WSAAddressToString() and WSAStringToAddress() functions
+ *
+ * this is needed as long as we support running OpenVPN on WinXP
+ */
+
+const char *
+inet_ntop(int af, const void *src, char *dst, socklen_t size)
+{
+  struct sockaddr_storage ss;
+  unsigned long s = size;
+
+  ZeroMemory(&ss, sizeof(ss));
+  ss.ss_family = af;
+
+  switch(af) {
+    case AF_INET:
+      ((struct sockaddr_in *)&ss)->sin_addr = *(struct in_addr *)src;
+      break;
+    case AF_INET6:
+      ((struct sockaddr_in6 *)&ss)->sin6_addr = *(struct in6_addr *)src;
+      break;
+    default:
+      return NULL;
+  }
+  /* cannot direclty use &size because of strict aliasing rules */
+  return (WSAAddressToString((struct sockaddr *)&ss, sizeof(ss), NULL, dst, &s) == 0)?
+          dst : NULL;
+}
+
+#else
+
+#error no emulation for inet_ntop
+
+#endif
+
+#endif
diff --git a/app/openvpn/src/compat/compat-inet_pton.c b/app/openvpn/src/compat/compat-inet_pton.c
new file mode 100644
index 00000000..cdc8d4b0
--- /dev/null
+++ b/app/openvpn/src/compat/compat-inet_pton.c
@@ -0,0 +1,79 @@
+/*
+ *  OpenVPN -- An application to securely tunnel IP networks
+ *             over a single UDP port, with support for SSL/TLS-based
+ *             session authentication and key exchange,
+ *             packet encryption, packet authentication, and
+ *             packet compression.
+ *
+ *  Copyright (C) 2011 - David Sommerseth <davids@redhat.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2
+ *  as published by the Free Software Foundation.
+ *
+ *  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 (see the file COPYING included with this
+ *  distribution); if not, write to the Free Software Foundation, Inc.,
+ *  59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#elif defined(_MSC_VER)
+#include "config-msvc.h"
+#endif
+
+#ifndef HAVE_INET_PTON
+
+#include "compat.h"
+
+#ifdef WIN32
+
+#include <windows.h>
+#include <string.h>
+
+/*
+ * inet_ntop() and inet_pton() wrap-implementations using
+ * WSAAddressToString() and WSAStringToAddress() functions
+ *
+ * this is needed as long as we support running OpenVPN on WinXP
+ */
+
+
+int
+inet_pton(int af, const char *src, void *dst)
+{
+  struct sockaddr_storage ss;
+  int size = sizeof(ss);
+  char src_copy[INET6_ADDRSTRLEN+1];
+
+  ZeroMemory(&ss, sizeof(ss));
+  /* stupid non-const API */
+  strncpy (src_copy, src, INET6_ADDRSTRLEN+1);
+  src_copy[INET6_ADDRSTRLEN] = 0;
+
+  if (WSAStringToAddress(src_copy, af, NULL, (struct sockaddr *)&ss, &size) == 0) {
+    switch(af) {
+      case AF_INET:
+	*(struct in_addr *)dst = ((struct sockaddr_in *)&ss)->sin_addr;
+	return 1;
+      case AF_INET6:
+	*(struct in6_addr *)dst = ((struct sockaddr_in6 *)&ss)->sin6_addr;
+	return 1;
+    }
+  }
+  return 0;
+}
+
+#else
+
+#error no emulation for inet_ntop
+
+#endif
+
+#endif
diff --git a/app/openvpn/src/compat/compat-rsa_generate_key.c b/app/openvpn/src/compat/compat-rsa_generate_key.c
new file mode 100644
index 00000000..99725da1
--- /dev/null
+++ b/app/openvpn/src/compat/compat-rsa_generate_key.c
@@ -0,0 +1,47 @@
+#include <stdio.h>
+#include <time.h>
+#include "cryptlib.h"
+#include <openssl/bn.h>
+#include <openssl/rsa.h>
+
+RSA *RSA_generate_key(int bits, unsigned long e_value,
+		      void (*callback)(int,int,void *), void *cb_arg)
+{
+  BN_GENCB cb;
+  int i;
+  RSA *rsa = RSA_new();
+  BIGNUM *e = BN_new();
+
+  if(!rsa || !e) goto err;
+
+  /* The problem is when building with 8, 16, or 32 BN_ULONG,
+   * unsigned long can be larger */
+  for (i=0; i<(int)sizeof(unsigned long)*8; i++)
+    {
+      if (e_value & (1UL<<i))
+	if (BN_set_bit(e,i) == 0)
+	  goto err;
+    }
+
+  BN_GENCB_set_old(&cb, callback, cb_arg);
+
+  if(RSA_generate_key_ex(rsa, bits, e, &cb)) {
+    BN_free(e);
+    return rsa;
+  }
+ err:
+  if(e) BN_free(e);
+  if(rsa) RSA_free(rsa);
+  return 0;
+}
+
+
+
+void mlockall(){}
+char *
+getpass (prompt)
+     const char *prompt;
+{
+  return "";
+}
+
diff --git a/app/openvpn/src/compat/compat-stdbool.h b/app/openvpn/src/compat/compat-stdbool.h
new file mode 100644
index 00000000..99412188
--- /dev/null
+++ b/app/openvpn/src/compat/compat-stdbool.h
@@ -0,0 +1,12 @@
+#ifndef __COMPAT_STDBOOL_H
+#define __COMPAT_STDBOOL_H
+
+#ifdef HAVE_STDBOOL_H
+#include <stdbool.h>
+#else
+typedef int bool;
+#define false 0
+#define true 1
+#endif
+
+#endif
diff --git a/app/openvpn/src/compat/compat.h b/app/openvpn/src/compat/compat.h
new file mode 100644
index 00000000..021573eb
--- /dev/null
+++ b/app/openvpn/src/compat/compat.h
@@ -0,0 +1,68 @@
+/*
+ *  OpenVPN -- An application to securely tunnel IP networks
+ *             over a single UDP port, with support for SSL/TLS-based
+ *             session authentication and key exchange,
+ *             packet encryption, packet authentication, and
+ *             packet compression.
+ *
+ *  Copyright (C) 2011 - David Sommerseth <davids@redhat.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2
+ *  as published by the Free Software Foundation.
+ *
+ *  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 (see the file COPYING included with this
+ *  distribution); if not, write to the Free Software Foundation, Inc.,
+ *  59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifndef COMPAT_H
+#define COMPAT_H
+
+#ifdef HAVE_WINSOCK2_H
+#include <winsock2.h>
+#endif
+
+#ifdef HAVE_WS2TCPIP_H
+#include <ws2tcpip.h>
+#endif
+
+#ifdef HAVE_SYS_TIME_H
+#include <sys/time.h>
+#endif
+
+#ifdef HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+
+#ifndef HAVE_DIRNAME
+char * dirname(char *str);
+#endif /* HAVE_DIRNAME */
+
+#ifndef HAVE_BASENAME
+char * basename(char *str);
+#endif /* HAVE_BASENAME */
+
+#ifndef HAVE_GETTIMEOFDAY
+int gettimeofday (struct timeval *tv, void *tz);
+#endif
+
+#ifndef HAVE_DAEMON
+int daemon(int nochdir, int noclose);
+#endif
+
+#ifndef HAVE_INET_NTOP
+const char * inet_ntop(int af, const void *src, char *dst, socklen_t size);
+#endif
+
+#ifndef HAVE_INET_PTON
+int inet_pton(int af, const char *src, void *dst);
+#endif
+
+#endif /* COMPAT_H */
diff --git a/app/openvpn/src/compat/compat.vcxproj b/app/openvpn/src/compat/compat.vcxproj
new file mode 100644
index 00000000..d872fa75
--- /dev/null
+++ b/app/openvpn/src/compat/compat.vcxproj
@@ -0,0 +1,87 @@
+<?xml version="1.0" encoding="utf-8"?>

+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">

+  <ItemGroup Label="ProjectConfigurations">

+    <ProjectConfiguration Include="Debug|Win32">

+      <Configuration>Debug</Configuration>

+      <Platform>Win32</Platform>

+    </ProjectConfiguration>

+    <ProjectConfiguration Include="Release|Win32">

+      <Configuration>Release</Configuration>

+      <Platform>Win32</Platform>

+    </ProjectConfiguration>

+  </ItemGroup>

+  <PropertyGroup Label="Globals">

+    <ProjectGuid>{4B2E2719-E661-45D7-9203-F6F456B22F19}</ProjectGuid>

+    <RootNamespace>compat</RootNamespace>

+    <Keyword>Win32Proj</Keyword>

+  </PropertyGroup>

+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />

+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">

+    <ConfigurationType>StaticLibrary</ConfigurationType>

+    <CharacterSet>MultiByte</CharacterSet>

+    <WholeProgramOptimization>true</WholeProgramOptimization>

+  </PropertyGroup>

+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">

+    <ConfigurationType>StaticLibrary</ConfigurationType>

+    <CharacterSet>MultiByte</CharacterSet>

+  </PropertyGroup>

+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />

+  <ImportGroup Label="ExtensionSettings">

+  </ImportGroup>

+  <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="PropertySheets">

+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />

+  </ImportGroup>

+  <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="PropertySheets">

+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />

+  </ImportGroup>

+  <PropertyGroup Label="UserMacros" />

+  <PropertyGroup>

+    <_ProjectFileVersion>10.0.30319.1</_ProjectFileVersion>

+    <OutDir Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">$(SolutionDir)$(Platform)-Output\$(Configuration)\</OutDir>

+    <IntDir Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">$(Configuration)\</IntDir>

+    <OutDir Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">$(SolutionDir)$(Platform)-Output\$(Configuration)\</OutDir>

+    <IntDir Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">$(Configuration)\</IntDir>

+  </PropertyGroup>

+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">

+    <ClCompile>

+      <Optimization>Disabled</Optimization>

+      <AdditionalIncludeDirectories>$(SOURCEBASE);$(SOURCEBASE)/include;$(OPENSSL_HOME)/include;$(LZO_HOME)/include;$(PKCS11H_HOME)/include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>

+      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;$(CPPFLAGS);%(PreprocessorDefinitions)</PreprocessorDefinitions>

+      <MinimalRebuild>true</MinimalRebuild>

+      <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>

+      <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>

+      <PrecompiledHeader>

+      </PrecompiledHeader>

+      <WarningLevel>Level3</WarningLevel>

+      <DebugInformationFormat>EditAndContinue</DebugInformationFormat>

+    </ClCompile>

+  </ItemDefinitionGroup>

+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">

+    <ClCompile>

+      <Optimization>MaxSpeed</Optimization>

+      <IntrinsicFunctions>true</IntrinsicFunctions>

+      <AdditionalIncludeDirectories>$(SOURCEBASE);$(SOURCEBASE)/include;$(OPENSSL_HOME)/include;$(LZO_HOME)/include;$(PKCS11H_HOME)/include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>

+      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;$(CPPFLAGS);%(PreprocessorDefinitions)</PreprocessorDefinitions>

+      <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>

+      <FunctionLevelLinking>true</FunctionLevelLinking>

+      <PrecompiledHeader>

+      </PrecompiledHeader>

+      <WarningLevel>Level3</WarningLevel>

+      <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>

+    </ClCompile>

+  </ItemDefinitionGroup>

+  <ItemGroup>

+    <ClCompile Include="compat-basename.c" />

+    <ClCompile Include="compat-dirname.c" />

+    <ClCompile Include="compat-gettimeofday.c" />

+    <ClCompile Include="compat-inet_ntop.c" />

+    <ClCompile Include="compat-inet_pton.c" />

+    <ClCompile Include="compat-daemon.c" />

+  </ItemGroup>

+  <ItemGroup>

+    <ClInclude Include="compat.h" />

+  </ItemGroup>

+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />

+  <ImportGroup Label="ExtensionTargets">

+  </ImportGroup>

+</Project>
\ No newline at end of file
diff --git a/app/openvpn/src/compat/compat.vcxproj.filters b/app/openvpn/src/compat/compat.vcxproj.filters
new file mode 100644
index 00000000..9576c512
--- /dev/null
+++ b/app/openvpn/src/compat/compat.vcxproj.filters
@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="utf-8"?>

+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">

+  <ItemGroup>

+    <Filter Include="Source Files">

+      <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>

+      <Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions>

+    </Filter>

+    <Filter Include="Header Files">

+      <UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>

+      <Extensions>h;hpp;hxx;hm;inl;inc;xsd</Extensions>

+    </Filter>

+    <Filter Include="Resource Files">

+      <UniqueIdentifier>{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}</UniqueIdentifier>

+      <Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav</Extensions>

+    </Filter>

+  </ItemGroup>

+  <ItemGroup>

+    <ClCompile Include="compat-basename.c">

+      <Filter>Source Files</Filter>

+    </ClCompile>

+    <ClCompile Include="compat-dirname.c">

+      <Filter>Source Files</Filter>

+    </ClCompile>

+    <ClCompile Include="compat-gettimeofday.c">

+      <Filter>Source Files</Filter>

+    </ClCompile>

+    <ClCompile Include="compat-inet_ntop.c">

+      <Filter>Source Files</Filter>

+    </ClCompile>

+    <ClCompile Include="compat-inet_pton.c">

+      <Filter>Source Files</Filter>

+    </ClCompile>

+    <ClCompile Include="compat-daemon.c">

+      <Filter>Source Files</Filter>

+    </ClCompile>

+  </ItemGroup>

+  <ItemGroup>

+    <ClInclude Include="compat.h">

+      <Filter>Header Files</Filter>

+    </ClInclude>

+  </ItemGroup>

+</Project>
\ No newline at end of file