Merge branch 'bug/There-are-two-different-notifications-#5794' into develop

31 files changed, 1683 insertions, 1083 deletions

diff --git a/app/openvpn/src/compat/compat.vcxproj b/app/openvpn/src/compat/compat.vcxproj
index d872fa75..42979c11 100644
--- a/app/openvpn/src/compat/compat.vcxproj
+++ b/app/openvpn/src/compat/compat.vcxproj
@@ -1,87 +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>

+<?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
index 9576c512..00bb0ffa 100644
--- a/app/openvpn/src/compat/compat.vcxproj.filters
+++ b/app/openvpn/src/compat/compat.vcxproj.filters
@@ -1,42 +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>

+<?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
diff --git a/app/openvpn/src/openvpn/crypto.c b/app/openvpn/src/openvpn/crypto.c
index c4c356dc..62c4ab28 100644
--- a/app/openvpn/src/openvpn/crypto.c
+++ b/app/openvpn/src/openvpn/crypto.c
@@ -100,10 +100,10 @@ openvpn_encrypt (struct buffer *buf, struct buffer work,
 	{
 	  uint8_t iv_buf[OPENVPN_MAX_IV_LENGTH];
 	  const int iv_size = cipher_ctx_iv_length (ctx->cipher);
-	  const unsigned int mode = cipher_ctx_mode (ctx->cipher);
+	  const cipher_kt_t *cipher_kt = cipher_ctx_get_cipher_kt (ctx->cipher);
 	  int outlen;
 
-	  if (mode == OPENVPN_MODE_CBC)
+	  if (cipher_kt_mode_cbc(cipher_kt))
 	    {
 	      CLEAR (iv_buf);
 
@@ -119,7 +119,7 @@ openvpn_encrypt (struct buffer *buf, struct buffer work,
 		  ASSERT (packet_id_write (&pin, buf, BOOL_CAST (opt->flags & CO_PACKET_ID_LONG_FORM), true));
 		}
 	    }
-	  else if (mode == OPENVPN_MODE_CFB || mode == OPENVPN_MODE_OFB)
+	  else if (cipher_kt_mode_ofb_cfb(cipher_kt))
 	    {
 	      struct packet_id_net pin;
 	      struct buffer b;
@@ -171,7 +171,10 @@ openvpn_encrypt (struct buffer *buf, struct buffer work,
 	  /* Flush the encryption buffer */
 	  ASSERT(cipher_ctx_final(ctx->cipher, BPTR (&work) + outlen, &outlen));
 	  work.len += outlen;
-	  ASSERT (outlen == iv_size);
+
+	  /* For all CBC mode ciphers, check the last block is complete */
+	  ASSERT (cipher_kt_mode (cipher_kt) != OPENVPN_MODE_CBC ||
+	      outlen == iv_size);
 
 	  /* prepend the IV to the ciphertext */
 	  if (opt->flags & CO_USE_IV)
@@ -272,8 +275,8 @@ openvpn_decrypt (struct buffer *buf, struct buffer work,
 
       if (ctx->cipher)
 	{
-	  const unsigned int mode = cipher_ctx_mode (ctx->cipher);
 	  const int iv_size = cipher_ctx_iv_length (ctx->cipher);
+	  const cipher_kt_t *cipher_kt = cipher_ctx_get_cipher_kt (ctx->cipher);
 	  uint8_t iv_buf[OPENVPN_MAX_IV_LENGTH];
 	  int outlen;
 
@@ -320,7 +323,7 @@ openvpn_decrypt (struct buffer *buf, struct buffer work,
 
 	  /* Get packet ID from plaintext buffer or IV, depending on cipher mode */
 	  {
-	    if (mode == OPENVPN_MODE_CBC)
+	    if (cipher_kt_mode_cbc(cipher_kt))
 	      {
 		if (opt->packet_id)
 		  {
@@ -329,7 +332,7 @@ openvpn_decrypt (struct buffer *buf, struct buffer work,
 		    have_pin = true;
 		  }
 	      }
-	    else if (mode == OPENVPN_MODE_CFB || mode == OPENVPN_MODE_OFB)
+	    else if (cipher_kt_mode_ofb_cfb(cipher_kt))
 	      {
 		struct buffer b;
 
@@ -389,6 +392,60 @@ openvpn_decrypt (struct buffer *buf, struct buffer work,
 }
 
 /*
+ * This verifies if a packet and its HMAC fit to a crypto context.
+ *
+ * On success true is returned.
+ */
+bool
+crypto_test_hmac (struct buffer *buf, const struct crypto_options *opt)
+{
+  struct gc_arena gc;
+  gc_init (&gc);
+  int offset = 4; /* 1 byte opcode + 3 bytes session-id */
+
+  if (buf->len > 0 && opt->key_ctx_bi)
+    {
+      struct key_ctx *ctx = &opt->key_ctx_bi->decrypt;
+
+      /* Verify the HMAC */
+      if (ctx->hmac)
+	{
+	  int hmac_len;
+	  uint8_t local_hmac[MAX_HMAC_KEY_LENGTH]; /* HMAC of ciphertext computed locally */
+
+	  hmac_ctx_reset(ctx->hmac);
+
+	  /* Assume the length of the input HMAC */
+	  hmac_len = hmac_ctx_size (ctx->hmac);
+
+	  /* Authentication fails if insufficient data in packet for HMAC */
+	  if ((buf->len - offset) < hmac_len)
+	    {
+	      gc_free (&gc);
+	      return false;
+	    }
+
+	  hmac_ctx_update (ctx->hmac, BPTR (buf) + offset + hmac_len,
+			   BLEN (buf) - offset - hmac_len);
+	  hmac_ctx_final (ctx->hmac, local_hmac);
+
+	  /* Compare locally computed HMAC with packet HMAC */
+	  if (memcmp (local_hmac, BPTR (buf) + offset, hmac_len))
+	    {
+	      gc_free (&gc);
+	      return false;
+	    }
+
+	  gc_free (&gc);
+	  return true;
+	}
+    }
+
+  gc_free (&gc);
+  return false;
+}
+
+/*
  * How many bytes will we add to frame buffer for a given
  * set of crypto options?
  */
@@ -426,17 +483,12 @@ init_key_type (struct key_type *kt, const char *ciphername,
 
       /* check legal cipher mode */
       {
-	const unsigned int mode = cipher_kt_mode (kt->cipher);
-	if (!(mode == OPENVPN_MODE_CBC
-#ifdef ALLOW_NON_CBC_CIPHERS
-	      || (cfb_ofb_allowed && (mode == OPENVPN_MODE_CFB || mode == OPENVPN_MODE_OFB))
+	if (!(cipher_kt_mode_cbc(kt->cipher)
+#ifdef ENABLE_OFB_CFB_MODE
+	      || (cfb_ofb_allowed && cipher_kt_mode_ofb_cfb(kt->cipher))
 #endif
 	      ))
-#ifdef ENABLE_SMALL
 	  msg (M_FATAL, "Cipher '%s' mode not supported", ciphername);
-#else
-	  msg (M_FATAL, "Cipher '%s' uses a mode not supported by " PACKAGE_NAME " in your current configuration.  CBC mode is always supported, while CFB and OFB modes are supported only when using SSL/TLS authentication and key exchange mode, and when " PACKAGE_NAME " has been built with ALLOW_NON_CBC_CIPHERS.", ciphername);
-#endif
       }
     }
   else
@@ -606,18 +658,10 @@ fixup_key (struct key *key, const struct key_type *kt)
 void
 check_replay_iv_consistency (const struct key_type *kt, bool packet_id, bool use_iv)
 {
-  if (cfb_ofb_mode (kt) && !(packet_id && use_iv))
-    msg (M_FATAL, "--no-replay or --no-iv cannot be used with a CFB or OFB mode cipher");
-}
+  ASSERT(kt);
 
-bool
-cfb_ofb_mode (const struct key_type* kt)
-{
-  if (kt && kt->cipher) {
-      const unsigned int mode = cipher_kt_mode (kt->cipher);
-      return mode == OPENVPN_MODE_CFB || mode == OPENVPN_MODE_OFB;
-  }
-  return false;
+  if (cipher_kt_mode_ofb_cfb(kt->cipher) && !(packet_id && use_iv))
+    msg (M_FATAL, "--no-replay or --no-iv cannot be used with a CFB or OFB mode cipher");
 }
 
 /*
diff --git a/app/openvpn/src/openvpn/crypto.h b/app/openvpn/src/openvpn/crypto.h
index 3b4b88ea..3c4e59d7 100644
--- a/app/openvpn/src/openvpn/crypto.h
+++ b/app/openvpn/src/openvpn/crypto.h
@@ -32,8 +32,6 @@
 
 #ifdef ENABLE_CRYPTO
 
-#define ALLOW_NON_CBC_CIPHERS
-
 #include "crypto_backend.h"
 #include "basic.h"
 #include "buffer.h"
@@ -189,8 +187,6 @@ bool write_key (const struct key *key, const struct key_type *kt,
 
 int read_key (struct key *key, const struct key_type *kt, struct buffer *buf);
 
-bool cfb_ofb_mode (const struct key_type* kt);
-
 void init_key_type (struct key_type *kt, const char *ciphername,
     bool ciphername_defined, const char *authname, bool authname_defined,
     int keysize, bool cfb_ofb_allowed, bool warn);
@@ -279,6 +275,9 @@ bool openvpn_decrypt (struct buffer *buf, struct buffer work,
 		      const struct crypto_options *opt,
 		      const struct frame* frame);
 
+
+bool crypto_test_hmac (struct buffer *buf, const struct crypto_options *opt);
+
 /** @} name Functions for performing security operations on data channel packets */
 
 void crypto_adjust_frame_parameters(struct frame *frame,
diff --git a/app/openvpn/src/openvpn/crypto_backend.h b/app/openvpn/src/openvpn/crypto_backend.h
index 5ae47e6c..a48ad6c5 100644
--- a/app/openvpn/src/openvpn/crypto_backend.h
+++ b/app/openvpn/src/openvpn/crypto_backend.h
@@ -230,6 +230,26 @@ int cipher_kt_block_size (const cipher_kt_t *cipher_kt);
  */
 int cipher_kt_mode (const cipher_kt_t *cipher_kt);
 
+/**
+ * Check of the supplied cipher is a supported CBC mode cipher.
+ *
+ * @param cipher	Static cipher parameters. May not be NULL.
+ *
+ * @return		true iff the cipher is a CBC mode cipher.
+ */
+bool cipher_kt_mode_cbc(const cipher_kt_t *cipher)
+  __attribute__((nonnull));
+
+/**
+ * Check of the supplied cipher is a supported OFB or CFB mode cipher.
+ *
+ * @param cipher	Static cipher parameters. May not be NULL.
+ *
+ * @return		true iff the cipher is a OFB or CFB mode cipher.
+ */
+bool cipher_kt_mode_ofb_cfb(const cipher_kt_t *cipher)
+  __attribute__((nonnull));
+
 
 /**
  *
@@ -288,6 +308,16 @@ int cipher_ctx_block_size (const cipher_ctx_t *ctx);
 int cipher_ctx_mode (const cipher_ctx_t *ctx);
 
 /**
+ * Returns the static cipher parameters for this context.
+ *
+ * @param ctx 		Cipher's context. May not be NULL.
+ *
+ * @return 		Static cipher parameters for the supplied context.
+ */
+const cipher_kt_t *cipher_ctx_get_cipher_kt (const cipher_ctx_t *ctx)
+  __attribute__((nonnull));
+
+/**
  * Resets the given cipher context, setting the IV to the specified value.
  * Preserves the associated key information.
  *
diff --git a/app/openvpn/src/openvpn/crypto_openssl.c b/app/openvpn/src/openvpn/crypto_openssl.c
index c3480e02..0ac89a19 100644
--- a/app/openvpn/src/openvpn/crypto_openssl.c
+++ b/app/openvpn/src/openvpn/crypto_openssl.c
@@ -40,6 +40,7 @@
 #include "basic.h"
 #include "buffer.h"
 #include "integer.h"
+#include "crypto.h"
 #include "crypto_backend.h"
 #include <openssl/objects.h>
 #include <openssl/evp.h>
@@ -253,7 +254,7 @@ show_available_ciphers ()
 	  "used as a parameter to the --cipher option.  The default\n"
 	  "key size is shown as well as whether or not it can be\n"
           "changed with the --keysize directive.  Using a CBC mode\n"
-	  "is recommended.\n\n");
+	  "is recommended. In static key mode only CBC mode is allowed.\n\n");
 #endif
 
   for (nid = 0; nid < 10000; ++nid)	/* is there a better way to get the size of the nid list? */
@@ -261,17 +262,22 @@ show_available_ciphers ()
       const EVP_CIPHER *cipher = EVP_get_cipherbynid (nid);
       if (cipher)
 	{
-	  const unsigned int mode = EVP_CIPHER_mode (cipher);
-	  if (mode == EVP_CIPH_CBC_MODE
-#ifdef ALLOW_NON_CBC_CIPHERS
-	      || mode == EVP_CIPH_CFB_MODE || mode == EVP_CIPH_OFB_MODE
+	  if (cipher_kt_mode_cbc(cipher)
+#ifdef ENABLE_OFB_CFB_MODE
+	      || cipher_kt_mode_ofb_cfb(cipher)
 #endif
 	      )
-	    printf ("%s %d bit default key (%s)\n",
-		    OBJ_nid2sn (nid),
-		    EVP_CIPHER_key_length (cipher) * 8,
-		    ((EVP_CIPHER_flags (cipher) & EVP_CIPH_VARIABLE_LENGTH) ?
-		     "variable" : "fixed"));
+	    {
+	      const char *var_key_size =
+		  (EVP_CIPHER_flags (cipher) & EVP_CIPH_VARIABLE_LENGTH) ?
+		       "variable" : "fixed";
+	      const char *ssl_only = cipher_kt_mode_ofb_cfb(cipher) ?
+		  " (TLS client/server mode)" : "";
+
+	      printf ("%s %d bit default key (%s)%s\n", OBJ_nid2sn (nid),
+		      EVP_CIPHER_key_length (cipher) * 8, var_key_size,
+		      ssl_only);
+	    }
 	}
     }
   printf ("\n");
@@ -483,6 +489,29 @@ cipher_kt_mode (const EVP_CIPHER *cipher_kt)
   return EVP_CIPHER_mode (cipher_kt);
 }
 
+bool
+cipher_kt_mode_cbc(const cipher_kt_t *cipher)
+{
+  return cipher_kt_mode(cipher) == OPENVPN_MODE_CBC
+#ifdef EVP_CIPH_FLAG_AEAD_CIPHER
+      /* Exclude AEAD cipher modes, they require a different API */
+      && !(EVP_CIPHER_flags(cipher) & EVP_CIPH_FLAG_AEAD_CIPHER)
+#endif
+    ;
+}
+
+bool
+cipher_kt_mode_ofb_cfb(const cipher_kt_t *cipher)
+{
+  return (cipher_kt_mode(cipher) == OPENVPN_MODE_OFB ||
+	  cipher_kt_mode(cipher) == OPENVPN_MODE_CFB)
+#ifdef EVP_CIPH_FLAG_AEAD_CIPHER
+      /* Exclude AEAD cipher modes, they require a different API */
+      && !(EVP_CIPHER_flags(cipher) & EVP_CIPH_FLAG_AEAD_CIPHER)
+#endif
+    ;
+}
+
 /*
  *
  * Generic cipher context functions
@@ -536,6 +565,13 @@ cipher_ctx_mode (const EVP_CIPHER_CTX *ctx)
   return EVP_CIPHER_CTX_mode (ctx);
 }
 
+const cipher_kt_t *
+cipher_ctx_get_cipher_kt (const cipher_ctx_t *ctx)
+{
+  return EVP_CIPHER_CTX_cipher(ctx);
+}
+
+
 int
 cipher_ctx_reset (EVP_CIPHER_CTX *ctx, uint8_t *iv_buf)
 {
diff --git a/app/openvpn/src/openvpn/crypto_polarssl.c b/app/openvpn/src/openvpn/crypto_polarssl.c
index 7dc8aa5b..1a986dbd 100644
--- a/app/openvpn/src/openvpn/crypto_polarssl.c
+++ b/app/openvpn/src/openvpn/crypto_polarssl.c
@@ -416,6 +416,19 @@ cipher_kt_mode (const cipher_info_t *cipher_kt)
   return cipher_kt->mode;
 }
 
+bool
+cipher_kt_mode_cbc(const cipher_kt_t *cipher)
+{
+  return cipher_kt_mode(cipher) == OPENVPN_MODE_CBC;
+}
+
+bool
+cipher_kt_mode_ofb_cfb(const cipher_kt_t *cipher)
+{
+  return (cipher_kt_mode(cipher) == OPENVPN_MODE_OFB ||
+	  cipher_kt_mode(cipher) == OPENVPN_MODE_CFB);
+}
+
 
 /*
  *
@@ -464,6 +477,14 @@ int cipher_ctx_mode (const cipher_context_t *ctx)
   return cipher_kt_mode(ctx->cipher_info);
 }
 
+const cipher_kt_t *
+cipher_ctx_get_cipher_kt (const cipher_ctx_t *ctx)
+{
+  ASSERT(NULL != ctx);
+
+  return ctx->cipher_info;
+}
+
 int cipher_ctx_reset (cipher_context_t *ctx, uint8_t *iv_buf)
 {
   int retval = cipher_reset(ctx);
diff --git a/app/openvpn/src/openvpn/helper.c b/app/openvpn/src/openvpn/helper.c
index d9eef03b..0ed0b2ba 100644
--- a/app/openvpn/src/openvpn/helper.c
+++ b/app/openvpn/src/openvpn/helper.c
@@ -232,6 +232,8 @@ helper_client_server (struct options *o)
    *   if !nopool: 
    *     ifconfig-pool 10.8.0.2 10.8.0.254 255.255.255.0
    *   push "route-gateway 10.8.0.1"
+   *   if route-gateway unset:
+   *     route-gateway 10.8.0.2
    */
 
   if (o->server_defined)
@@ -311,8 +313,10 @@ helper_client_server (struct options *o)
 		  ifconfig_pool_verify_range (M_USAGE, o->ifconfig_pool_start, o->ifconfig_pool_end);
 		}
 	      o->ifconfig_pool_netmask = o->server_netmask;
-		  
+
 	      push_option (o, print_opt_route_gateway (o->server_network + 1, &o->gc), M_USAGE);
+	      if (!o->route_default_gateway)
+		o->route_default_gateway = print_in_addr_t (o->server_network + 2, 0, &o->gc);
 	    }
 	  else
 	    ASSERT (0);
diff --git a/app/openvpn/src/openvpn/init.c b/app/openvpn/src/openvpn/init.c
index ede955a1..6137588d 100644
--- a/app/openvpn/src/openvpn/init.c
+++ b/app/openvpn/src/openvpn/init.c
@@ -2150,7 +2150,7 @@ do_init_crypto_tls (struct context *c, const unsigned int flags)
 			       options->use_iv);
 
   /* In short form, unique datagram identifier is 32 bits, in long form 64 bits */
-  packet_id_long_form = cfb_ofb_mode (&c->c1.ks.key_type);
+  packet_id_long_form = cipher_kt_mode_ofb_cfb (c->c1.ks.key_type.cipher);
 
   /* Compute MTU parameters */
   crypto_adjust_frame_parameters (&c->c2.frame,
@@ -3165,13 +3165,24 @@ management_show_net_callback (void *arg, const int msglevel)
 int
 managmenet_callback_network_change (void *arg)
 {
+  int socketfd=-1;
   struct context *c = (struct context *) arg;
   if (!c->c2.link_socket)
     return -1;
   if (c->c2.link_socket->sd == SOCKET_UNDEFINED)
     return -1;
 
-  return c->c2.link_socket->sd;
+  /* Check if the client should translate the network change to a SIGUSR1 to
+     reestablish the connection or just reprotect the socket */
+
+  /* At the moment just assume that, for all settings that use pull
+     reestablishing the connection is required */
+
+  socketfd = c->c2.link_socket->sd;
+  if (!c->options.pull || c->c2.tls_multi->use_session_id)
+    return socketfd;
+  else
+    return -2;
 }
 #endif
 
diff --git a/app/openvpn/src/openvpn/manage.c b/app/openvpn/src/openvpn/manage.c
index e7a7fe85..9913197b 100644
--- a/app/openvpn/src/openvpn/manage.c
+++ b/app/openvpn/src/openvpn/manage.c
@@ -1113,7 +1113,9 @@ man_network_change (struct management *man)
     {
       int fd = (*man->persist.callback.network_change)(man->persist.callback.arg);
       man->connection.fdtosend = fd;
-        msg (M_CLIENT, "PROTECTFD: fd '%d' sent to be protected", fd);
+      msg (M_CLIENT, "PROTECTFD: fd '%d' sent to be protected", fd);
+      if (fd == -2)
+	man_signal (man, "USR1");
     }
 }
 #endif
@@ -1164,7 +1166,7 @@ man_dispatch_command (struct management *man, struct status_output *so, const ch
 #ifdef TARGET_ANDROID
   else if (streq (p[0], "network-change"))
     {
-        man_network_change(man);
+      man_network_change(man);
     }
 #endif
   else if (streq (p[0], "load-stats"))
diff --git a/app/openvpn/src/openvpn/misc.c b/app/openvpn/src/openvpn/misc.c
index 7483184f..63b4c1cf 100644
--- a/app/openvpn/src/openvpn/misc.c
+++ b/app/openvpn/src/openvpn/misc.c
@@ -861,6 +861,12 @@ test_file (const char *filename)
 	  fclose (fp);
 	  ret = true;
 	}
+      else
+	{
+	  if( openvpn_errno () == EACCES ) {
+	    msg( M_WARN | M_ERRNO, "Could not access file '%s'", filename);
+	  }
+	}
     }
 
   dmsg (D_TEST_FILE, "TEST FILE '%s' [%d]",
diff --git a/app/openvpn/src/openvpn/mudp.c b/app/openvpn/src/openvpn/mudp.c
index 3468dab5..f7ab6253 100644
--- a/app/openvpn/src/openvpn/mudp.c
+++ b/app/openvpn/src/openvpn/mudp.c
@@ -38,6 +38,55 @@
 #include "memdbg.h"
 
 /*
+ * Update instance with new peer address
+ */
+void
+update_floated(struct multi_context *m, struct multi_instance *mi,
+	       struct mroute_addr real, uint32_t hv)
+{
+  struct mroute_addr real_old;
+
+  real_old = mi->real;
+  generate_prefix (mi);
+
+  /* remove before modifying mi->real, since it also modifies key in hash */
+  hash_remove(m->hash, &real_old);
+  hash_remove(m->iter, &real_old);
+
+  /* update address */
+  memcpy(&mi->real, &real, sizeof(real));
+
+  mi->context.c2.from = m->top.c2.from;
+  mi->context.c2.to_link_addr = &mi->context.c2.from;
+
+  /* switch to new log prefix */
+  generate_prefix (mi);
+  /* inherit buffers */
+  mi->context.c2.buffers = m->top.c2.buffers;
+
+  /* inherit parent link_socket and link_socket_info */
+  mi->context.c2.link_socket = m->top.c2.link_socket;
+  mi->context.c2.link_socket_info->lsa->actual = m->top.c2.from;
+
+  /* fix remote_addr in tls structure */
+  tls_update_remote_addr (mi->context.c2.tls_multi, &mi->context.c2.from);
+  mi->did_open_context = true;
+
+  hash_add(m->hash, &mi->real, mi, false);
+  hash_add(m->iter, &mi->real, mi, false);
+
+  mi->did_real_hash = true;
+#ifdef MANAGEMENT_DEF_AUTH
+  hash_remove (m->cid_hash, &mi->context.c2.mda_context.cid);
+  hash_add (m->cid_hash, &mi->context.c2.mda_context.cid, mi, false);
+#endif
+
+#ifdef MANAGEMENT_DEF_AUTH
+  mi->did_cid_hash = true;
+#endif
+}
+
+/*
  * Get a client instance based on real address.  If
  * the instance doesn't exist, create it while
  * maintaining real address hash table atomicity.
@@ -56,15 +105,47 @@ multi_get_create_instance_udp (struct multi_context *m)
       struct hash_element *he;
       const uint32_t hv = hash_value (hash, &real);
       struct hash_bucket *bucket = hash_bucket (hash, hv);
-  
-      he = hash_lookup_fast (hash, bucket, &real, hv);
+      uint8_t* ptr  = BPTR(&m->top.c2.buf);
+      uint8_t op = ptr[0] >> P_OPCODE_SHIFT;
+      uint32_t sess_id;
+      bool session_forged = false;
 
-      if (he)
+      if (op == P_DATA_V2)
 	{
-	  mi = (struct multi_instance *) he->value;
+	  sess_id = (*(uint32_t*)ptr) >> 8;
+	  if ((sess_id < m->max_clients) && (m->instances[sess_id]))
+	    {
+	      mi = m->instances[sess_id];
+
+	      if (!link_socket_actual_match(&mi->context.c2.from, &m->top.c2.from))
+		{
+		  msg(D_MULTI_MEDIUM, "floating detected from %s to %s",
+		      print_link_socket_actual (&mi->context.c2.from, &gc), print_link_socket_actual (&m->top.c2.from, &gc));
+
+		  /* session-id is not trusted, so check hmac */
+		  session_forged = !(crypto_test_hmac(&m->top.c2.buf, &mi->context.c2.crypto_options));
+		  if (session_forged)
+		    {
+		      mi = NULL;
+		      msg (D_MULTI_MEDIUM, "hmac verification failed, session forge detected!");
+		    }
+		  else
+		    {
+		      update_floated(m, mi, real, hv);
+		    }
+		}
+	    }
 	}
       else
 	{
+	  he = hash_lookup_fast (hash, bucket, &real, hv);
+	  if (he)
+	    {
+	      mi = (struct multi_instance *) he->value;
+	    }
+	}
+      if (!mi && !session_forged)
+	{
 	  if (!m->top.c2.tls_auth_standalone
 	      || tls_pre_decrypt_lite (m->top.c2.tls_auth_standalone, &m->top.c2.from, &m->top.c2.buf))
 	    {
@@ -75,6 +156,17 @@ multi_get_create_instance_udp (struct multi_context *m)
 		    {
 		      hash_add_fast (hash, bucket, &mi->real, hv, mi);
 		      mi->did_real_hash = true;
+
+		      int i;
+		      for (i = 0; i < m->max_clients; ++ i)
+			{
+			  if (!m->instances[i])
+			    {
+			      mi->context.c2.tls_multi->vpn_session_id = i;
+			      m->instances[i] = mi;
+			      break;
+			    }
+			}
 		    }
 		}
 	      else
@@ -89,15 +181,17 @@ multi_get_create_instance_udp (struct multi_context *m)
 #ifdef ENABLE_DEBUG
       if (check_debug_level (D_MULTI_DEBUG))
 	{
-	  const char *status;
+	  const char *status = mi ? "[ok]" : "[failed]";
 
+	  /*
 	  if (he && mi)
 	    status = "[succeeded]";
 	  else if (!he && mi)
 	    status = "[created]";
 	  else
 	    status = "[failed]";
-	
+	  */
+
 	  dmsg (D_MULTI_DEBUG, "GET INST BY REAL: %s %s",
 	       mroute_addr_print (&real, &gc),
 	       status);
diff --git a/app/openvpn/src/openvpn/multi.c b/app/openvpn/src/openvpn/multi.c
index 16250dc2..a4289ac7 100644
--- a/app/openvpn/src/openvpn/multi.c
+++ b/app/openvpn/src/openvpn/multi.c
@@ -303,6 +303,7 @@ multi_init (struct multi_context *m, struct context *t, bool tcp_mode, int threa
 			   cid_compare_function);
 #endif
 
+
   /*
    * This is our scheduler, for time-based wakeup
    * events.
@@ -373,6 +374,13 @@ multi_init (struct multi_context *m, struct context *t, bool tcp_mode, int threa
    */
   m->max_clients = t->options.max_clients;
 
+  int i;
+  m->instances = malloc(sizeof(struct multi_instance*) * m->max_clients);
+  for (i = 0; i < m->max_clients; ++ i)
+    {
+      m->instances[i] = NULL;
+    }
+
   /*
    * Initialize multi-socket TCP I/O wait object
    */
@@ -553,6 +561,8 @@ multi_close_instance (struct multi_context *m,
 	}
 #endif
 
+      m->instances[mi->context.c2.tls_multi->vpn_session_id] = NULL;
+
       schedule_remove_entry (m->schedule, (struct schedule_entry *) mi);
 
       ifconfig_pool_release (m->ifconfig_pool, mi->vaddr_handle, false);
@@ -629,6 +639,8 @@ multi_uninit (struct multi_context *m)
 #endif
 	  m->hash = NULL;
 
+	  free(m->instances);
+
 	  schedule_free (m->schedule);
 	  mbuf_free (m->mbuf);
 	  ifconfig_pool_free (m->ifconfig_pool);
@@ -652,8 +664,6 @@ multi_create_instance (struct multi_context *m, const struct mroute_addr *real)
 
   perf_push (PERF_MULTI_CREATE_INSTANCE);
 
-  msg (D_MULTI_MEDIUM, "MULTI: multi_create_instance called");
-
   ALLOC_OBJ_CLEAR (mi, struct multi_instance);
 
   mi->gc = gc_new ();
@@ -2159,8 +2169,17 @@ multi_process_incoming_link (struct multi_context *m, struct multi_instance *ins
 	      /* make sure that source address is associated with this client */
 	      else if (multi_get_instance_by_virtual_addr (m, &src, true) != m->pending)
 		{
-		  msg (D_MULTI_DROPPED, "MULTI: bad source address from client [%s], packet dropped",
-		       mroute_addr_print (&src, &gc));
+		  /* IPv6 link-local address (fe80::xxx)? */
+		  if ( (src.type & MR_ADDR_MASK) == MR_ADDR_IPV6 &&
+		        src.addr[0] == 0xfe && src.addr[1] == 0x80 )
+		    {
+		      /* do nothing, for now.  TODO: add address learning */
+		    }
+		  else
+		    {
+		      msg (D_MULTI_DROPPED, "MULTI: bad source address from client [%s], packet dropped",
+		           mroute_addr_print (&src, &gc));
+		    }
 		  c->c2.to_tun.len = 0;
 		}
 	      /* client-to-client communication enabled? */
diff --git a/app/openvpn/src/openvpn/multi.h b/app/openvpn/src/openvpn/multi.h
index fc2ffb24..0446fbfc 100644
--- a/app/openvpn/src/openvpn/multi.h
+++ b/app/openvpn/src/openvpn/multi.h
@@ -125,6 +125,8 @@ struct multi_context {
 # define MC_WORK_THREAD                (MC_MULTI_THREADED_WORKER|MC_MULTI_THREADED_SCHEDULER)
   int thread_mode;
 
+  struct multi_instance** instances;
+
   struct hash *hash;            /**< VPN tunnel instances indexed by real
                                  *   address of the remote peer. */
   struct hash *vhash;           /**< VPN tunnel instances indexed by
diff --git a/app/openvpn/src/openvpn/openvpn.vcxproj b/app/openvpn/src/openvpn/openvpn.vcxproj
index 452876fc..3b2340ee 100755
--- a/app/openvpn/src/openvpn/openvpn.vcxproj
+++ b/app/openvpn/src/openvpn/openvpn.vcxproj
@@ -1,263 +1,263 @@
-<?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>{29DF226E-4D4E-440F-ADAF-5829CFD4CA94}</ProjectGuid>

-    <RootNamespace>openvpn</RootNamespace>

-    <Keyword>Win32Proj</Keyword>

-  </PropertyGroup>

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

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

-    <ConfigurationType>Application</ConfigurationType>

-    <WholeProgramOptimization>true</WholeProgramOptimization>

-    <CharacterSet>Unicode</CharacterSet>

-  </PropertyGroup>

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

-    <ConfigurationType>Application</ConfigurationType>

-    <CharacterSet>Unicode</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>

-    <LinkIncremental Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">true</LinkIncremental>

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

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

-    <LinkIncremental Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">false</LinkIncremental>

-  </PropertyGroup>

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

-    <ClCompile>

-      <Optimization>Disabled</Optimization>

-      <AdditionalIncludeDirectories>$(SOURCEBASE);$(SOURCEBASE)/src/compat;$(SOURCEBASE)/include;$(TAP_WINDOWS_HOME)/include;$(OPENSSL_HOME)/include;$(LZO_HOME)/include;$(PKCS11H_HOME)/include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>

-      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;$(CPPFLAGS);%(PreprocessorDefinitions)</PreprocessorDefinitions>

-      <MinimalRebuild>true</MinimalRebuild>

-      <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>

-      <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>

-      <PrecompiledHeader>

-      </PrecompiledHeader>

-      <WarningLevel>Level3</WarningLevel>

-      <DebugInformationFormat>EditAndContinue</DebugInformationFormat>

-      <UndefinePreprocessorDefinitions>UNICODE</UndefinePreprocessorDefinitions>

-    </ClCompile>

-    <ResourceCompile>

-      <AdditionalIncludeDirectories>$(SOURCEBASE);%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>

-    </ResourceCompile>

-    <Link>

-      <AdditionalDependencies>libeay32.lib;ssleay32.lib;lzo2.lib;pkcs11-helper.dll.lib;gdi32.lib;ws2_32.lib;wininet.lib;crypt32.lib;iphlpapi.lib;winmm.lib;%(AdditionalDependencies)</AdditionalDependencies>

-      <AdditionalLibraryDirectories>$(OPENSSL_HOME)/lib;$(LZO_HOME)/lib;$(PKCS11H_HOME)/lib;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>

-      <GenerateDebugInformation>true</GenerateDebugInformation>

-      <SubSystem>Console</SubSystem>

-      <TargetMachine>MachineX86</TargetMachine>

-    </Link>

-  </ItemDefinitionGroup>

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

-    <ClCompile>

-      <Optimization>MaxSpeed</Optimization>

-      <IntrinsicFunctions>true</IntrinsicFunctions>

-      <AdditionalIncludeDirectories>$(SOURCEBASE);$(SOURCEBASE)/src/compat;$(SOURCEBASE)/include;$(TAP_WINDOWS_HOME)/include;$(OPENSSL_HOME)/include;$(LZO_HOME)/include;$(PKCS11H_HOME)/include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>

-      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;$(CPPFLAGS);%(PreprocessorDefinitions)</PreprocessorDefinitions>

-      <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>

-      <FunctionLevelLinking>true</FunctionLevelLinking>

-      <PrecompiledHeader>

-      </PrecompiledHeader>

-      <WarningLevel>Level3</WarningLevel>

-      <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>

-      <UndefinePreprocessorDefinitions>UNICODE</UndefinePreprocessorDefinitions>

-    </ClCompile>

-    <ResourceCompile>

-      <AdditionalIncludeDirectories>$(SOURCEBASE);%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>

-    </ResourceCompile>

-    <Link>

-      <AdditionalDependencies>libeay32.lib;ssleay32.lib;lzo2.lib;pkcs11-helper.dll.lib;gdi32.lib;ws2_32.lib;wininet.lib;crypt32.lib;iphlpapi.lib;winmm.lib;%(AdditionalDependencies)</AdditionalDependencies>

-      <AdditionalLibraryDirectories>$(OPENSSL_HOME)/lib;$(LZO_HOME)/lib;$(PKCS11H_HOME)/lib;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>

-      <GenerateDebugInformation>true</GenerateDebugInformation>

-      <SubSystem>Console</SubSystem>

-      <OptimizeReferences>true</OptimizeReferences>

-      <EnableCOMDATFolding>true</EnableCOMDATFolding>

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+    <ClInclude Include="pushlist.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="reliable.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="route.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="schedule.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="session_id.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="shaper.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="sig.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="socket.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="socks.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="ssl.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="ssl_backend.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="ssl_common.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="ssl_openssl.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="ssl_verify.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="ssl_verify_backend.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="ssl_verify_openssl.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="status.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="syshead.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="tun.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="win32.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+  </ItemGroup>
+  <ItemGroup>
+    <ResourceCompile Include="openvpn_win32_resources.rc">
+      <Filter>Resource Files</Filter>
+    </ResourceCompile>
+  </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/app/openvpn/src/openvpn/options.c b/app/openvpn/src/openvpn/options.c
index fc764616..9ff2db5a 100644
--- a/app/openvpn/src/openvpn/options.c
+++ b/app/openvpn/src/openvpn/options.c
@@ -575,8 +575,8 @@ static const char usage_message[] =
   "                  and optionally the root CA certificate.\n"
 #endif
 #ifdef ENABLE_X509ALTUSERNAME
-  "--x509-username-field : Field used in x509 certificate to be username.\n"
-  "                        Default is CN.\n"
+  "--x509-username-field : Field in x509 certificate containing the username.\n"
+  "                        Default is CN in the Subject field.\n"
 #endif
   "--verify-hash   : Specify SHA1 fingerprint for level-1 cert.\n"
 #ifdef WIN32
@@ -3898,7 +3898,8 @@ apply_push_options (struct options *options,
 		    struct buffer *buf,
 		    unsigned int permission_mask,
 		    unsigned int *option_types_found,
-		    struct env_set *es)
+		    struct env_set *es,
+		    struct tls_multi *tls_multi)
 {
   char line[OPTION_PARM_SIZE];
   int line_num = 0;
@@ -3912,7 +3913,17 @@ apply_push_options (struct options *options,
       ++line_num;
       if (parse_line (line, p, SIZE (p), file, line_num, msglevel, &options->gc))
 	{
-	  add_option (options, p, file, line_num, 0, msglevel, permission_mask, option_types_found, es);
+	  if (streq(p[0], "session_id"))
+	    {
+	      /* Server supports P_DATA_V2 */
+	      tls_multi->vpn_session_id = atoi(p[1]);
+	      tls_multi->use_session_id = true;
+	      msg(D_PUSH, "session id: %d", tls_multi->vpn_session_id);
+	    }
+	  else
+	    {
+	      add_option (options, p, file, line_num, 0, msglevel, permission_mask, option_types_found, es);
+	    }
 	}
     }
   return true;
@@ -6870,10 +6881,28 @@ add_option (struct options *options,
 #ifdef ENABLE_X509ALTUSERNAME
   else if (streq (p[0], "x509-username-field") && p[1])
     {
+      /* This option used to automatically upcase the fieldname passed as the
+       * option argument, e.g., "ou" became "OU". Now, this "helpfulness" is
+       * fine-tuned by only upcasing Subject field attribute names which consist
+       * of all lower-case characters. Mixed-case attributes such as
+       * "emailAddress" are left as-is. An option parameter having the "ext:"
+       * prefix for matching X.509v3 extended fields will also remain unchanged.
+       */
       char *s = p[1];
+
       VERIFY_PERMISSION (OPT_P_GENERAL);
-      if( strncmp ("ext:",s,4) != 0 )
-        while ((*s = toupper(*s)) != '\0') s++; /* Uppercase if necessary */
+      if (strncmp("ext:", s, 4) != 0)
+	{
+	  size_t i = 0;
+	  while (s[i] && !isupper(s[i])) i++;
+	  if (strlen(s) == i)
+	    {
+	      while ((*s = toupper(*s)) != '\0') s++;
+	      msg(M_WARN, "DEPRECATED FEATURE: automatically upcased the "
+		  "--x509-username-field parameter to '%s'; please update your"
+		  "configuration", p[1]);
+	    }
+	}
       options->x509_username_field = p[1];
     }
 #endif /* ENABLE_X509ALTUSERNAME */
diff --git a/app/openvpn/src/openvpn/options.h b/app/openvpn/src/openvpn/options.h
index 21c210ee..77c942ca 100644
--- a/app/openvpn/src/openvpn/options.h
+++ b/app/openvpn/src/openvpn/options.h
@@ -712,11 +712,13 @@ void options_postprocess (struct options *options);
 void pre_pull_save (struct options *o);
 void pre_pull_restore (struct options *o, struct gc_arena *gc);
 
+struct tls_multi;
 bool apply_push_options (struct options *options,
 			 struct buffer *buf,
 			 unsigned int permission_mask,
 			 unsigned int *option_types_found,
-			 struct env_set *es);
+			 struct env_set *es,
+			 struct tls_multi* tls_multi);
 
 void options_detach (struct options *o);
 
diff --git a/app/openvpn/src/openvpn/push.c b/app/openvpn/src/openvpn/push.c
index 24d12c7b..028d838e 100644
--- a/app/openvpn/src/openvpn/push.c
+++ b/app/openvpn/src/openvpn/push.c
@@ -303,6 +303,11 @@ send_push_reply (struct context *c)
   if (multi_push)
     buf_printf (&buf, ",push-continuation 1");
 
+  /* Send session_id if client supports it */
+  if (c->c2.tls_multi->peer_info && strstr(c->c2.tls_multi->peer_info, "IV_PROTO=2")) {
+      buf_printf(&buf, ",session_id %d", c->c2.tls_multi->vpn_session_id);
+  }
+
   if (BLEN (&buf) > sizeof(cmd)-1)
     {
       const bool status = send_control_channel_string (c, BSTR (&buf), D_PUSH);
@@ -462,7 +467,8 @@ process_incoming_push_msg (struct context *c,
 				  &buf,
 				  permission_mask,
 				  option_types_found,
-				  c->c2.es))
+				  c->c2.es,
+				  c->c2.tls_multi))
 	    switch (c->options.push_continuation)
 	      {
 	      case 0:
diff --git a/app/openvpn/src/openvpn/route.c b/app/openvpn/src/openvpn/route.c
index bcc6fcee..562af9fe 100644
--- a/app/openvpn/src/openvpn/route.c
+++ b/app/openvpn/src/openvpn/route.c
@@ -1535,6 +1535,17 @@ add_route (struct route_ipv4 *r,
   argv_msg (D_ROUTE, &argv);
   status = openvpn_execve_check (&argv, es, 0, "ERROR: OpenBSD/NetBSD route add command failed");
 
+#elif defined(TARGET_AIX)
+
+  {
+  int netbits = netmask_to_netbits2(r->netmask);
+  argv_printf (&argv, "%s add -net %s/%d %s",
+		ROUTE_PATH,
+	        network, netbits, gateway);
+  argv_msg (D_ROUTE, &argv);
+  status = openvpn_execve_check (&argv, es, 0, "ERROR: AIX route add command failed");
+  }
+
 #else
   msg (M_FATAL, "Sorry, but I don't know how to do 'route' commands on this operating system.  Try putting your routes in a --route-up script");
 #endif
@@ -1754,6 +1765,14 @@ add_route_ipv6 (struct route_ipv6 *r6, const struct tuntap *tt, unsigned int fla
   argv_msg (D_ROUTE, &argv);
   status = openvpn_execve_check (&argv, es, 0, "ERROR: NetBSD route add -inet6 command failed");
 
+#elif defined(TARGET_AIX)
+
+  argv_printf (&argv, "%s add -inet6 %s/%d %s",
+		ROUTE_PATH,
+	        network, r6->netbits, gateway);
+  argv_msg (D_ROUTE, &argv);
+  status = openvpn_execve_check (&argv, es, 0, "ERROR: AIX route add command failed");
+
 #else
   msg (M_FATAL, "Sorry, but I don't know how to do 'route ipv6' commands on this operating system.  Try putting your routes in a --route-up script");
 #endif
@@ -1912,8 +1931,21 @@ delete_route (struct route_ipv4 *r,
 
   argv_msg (D_ROUTE, &argv);
   openvpn_execve_check (&argv, es, 0, "ERROR: OpenBSD/NetBSD route delete command failed");
+
 #elif defined(TARGET_ANDROID)
   msg (M_NONFATAL, "Sorry, deleting routes on Android is not possible. The VpnService API allows routes to be set on connect only.");
+
+#elif defined(TARGET_AIX)
+
+  {
+  int netbits = netmask_to_netbits2(r->netmask);
+  argv_printf (&argv, "%s delete -net %s/%d %s",
+		ROUTE_PATH,
+	        network, netbits, gateway);
+  argv_msg (D_ROUTE, &argv);
+  openvpn_execve_check (&argv, es, 0, "ERROR: AIX route delete command failed");
+  }
+
 #else
   msg (M_FATAL, "Sorry, but I don't know how to do 'route' commands on this operating system.  Try putting your routes in a --route-up script");
 #endif
@@ -2084,6 +2116,14 @@ delete_route_ipv6 (const struct route_ipv6 *r6, const struct tuntap *tt, unsigne
   argv_msg (D_ROUTE, &argv);
   openvpn_execve_check (&argv, es, 0, "ERROR: NetBSD route delete -inet6 command failed");
 
+#elif defined(TARGET_AIX)
+
+  argv_printf (&argv, "%s delete -inet6 %s/%d %s",
+		ROUTE_PATH,
+	        network, r6->netbits, gateway);
+  argv_msg (D_ROUTE, &argv);
+  openvpn_execve_check (&argv, es, 0, "ERROR: AIX route add command failed");
+
 #else
   msg (M_FATAL, "Sorry, but I don't know how to do 'route ipv6' commands on this operating system.  Try putting your routes in a --route-down script");
 #endif
@@ -2921,6 +2961,26 @@ netmask_to_netbits (const in_addr_t network, const in_addr_t netmask, int *netbi
   return false;
 }
 
+/* similar to netmask_to_netbits(), but don't mess with base address
+ * etc., just convert to netbits - non-mappable masks are returned as "-1"
+ */
+int netmask_to_netbits2 (in_addr_t netmask)
+{
+  int i;
+  const int addrlen = sizeof (in_addr_t) * 8;
+
+  for (i = 0; i <= addrlen; ++i)
+    {
+      in_addr_t mask = netbits_to_netmask (i);
+      if (mask == netmask)
+	{
+	  return i;
+	}
+    }
+  return -1;
+}
+
+
 /*
  * get_bypass_addresses() is used by the redirect-gateway bypass-x
  * functions to build a route bypass to selected DHCP/DNS servers,
diff --git a/app/openvpn/src/openvpn/ssl.c b/app/openvpn/src/openvpn/ssl.c
index 95bbb277..929f95fa 100644
--- a/app/openvpn/src/openvpn/ssl.c
+++ b/app/openvpn/src/openvpn/ssl.c
@@ -624,6 +624,8 @@ packet_opcode_name (int op)
       return "P_ACK_V1";
     case P_DATA_V1:
       return "P_DATA_V1";
+    case P_DATA_V2:
+      return "P_DATA_V2";
     default:
       return "P_???";
     }
@@ -996,22 +998,6 @@ reset_session (struct tls_multi *multi, struct tls_session *session)
   tls_session_init (multi, session);
 }
 
-#if 0
-/*
- * Transmit a TLS reset on our untrusted channel.
- */
-static void
-initiate_untrusted_session (struct tls_multi *multi, struct sockaddr_in *to)
-{
-  struct tls_session *session = &multi->session[TM_UNTRUSTED];
-  struct key_state *ks = &session->key[KS_PRIMARY];
-
-  reset_session (multi, session);
-  ks->remote_addr = *to;
-  msg (D_TLS_DEBUG_LOW, "TLS: initiate_untrusted_session: addr=%s", print_sockaddr (to));
-}
-#endif
-
 /*
  * Used to determine in how many seconds we should be
  * called again.
@@ -1069,6 +1055,9 @@ tls_multi_init (struct tls_options *tls_options)
   ret->key_scan[1] = &ret->session[TM_ACTIVE].key[KS_LAME_DUCK];
   ret->key_scan[2] = &ret->session[TM_LAME_DUCK].key[KS_LAME_DUCK];
 
+  /* By default not use P_DATA_V2 */
+  ret->use_session_id = false;
+
   return ret;
 }
 
@@ -1842,6 +1831,9 @@ push_peer_info(struct buffer *buf, struct tls_session *session)
       buf_printf (&out, "IV_PLAT=win\n");
 #endif
 
+      /* support for P_DATA_V2 */
+      buf_printf(&out, "IV_PROTO=2\n");
+
       /* push compression status */
 #ifdef USE_COMP
       comp_generate_peer_info_string(&session->opt->comp_options, &out);
@@ -2799,8 +2791,9 @@ tls_pre_decrypt (struct tls_multi *multi,
 	key_id = c & P_KEY_ID_MASK;
       }
 
-      if (op == P_DATA_V1)
-	{			/* data channel packet */
+      if ((op == P_DATA_V1) || (op == P_DATA_V2))
+	{
+	  /* data channel packet */
 	  for (i = 0; i < KEY_SCAN_SIZE; ++i)
 	    {
 	      struct key_state *ks = multi->key_scan[i];
@@ -2832,7 +2825,9 @@ tls_pre_decrypt (struct tls_multi *multi,
 		  opt->pid_persist = NULL;
 		  opt->flags &= multi->opt.crypto_flags_and;
 		  opt->flags |= multi->opt.crypto_flags_or;
-		  ASSERT (buf_advance (buf, 1));
+
+		  ASSERT (buf_advance (buf, op == P_DATA_V1 ? 1 : 4));
+
 		  ++ks->n_packets;
 		  ks->n_bytes += buf->len;
 		  dmsg (D_TLS_KEYSELECT,
@@ -3329,6 +3324,7 @@ tls_pre_decrypt_lite (const struct tls_auth_standalone *tas,
   return ret;
 
  error:
+
   tls_clear_error();
   gc_free (&gc);
   return ret;
@@ -3397,14 +3393,24 @@ tls_post_encrypt (struct tls_multi *multi, struct buffer *buf)
 {
   struct key_state *ks;
   uint8_t *op;
+  uint32_t sess;
 
   ks = multi->save_ks;
   multi->save_ks = NULL;
   if (buf->len > 0)
     {
       ASSERT (ks);
-      ASSERT (op = buf_prepend (buf, 1));
-      *op = (P_DATA_V1 << P_OPCODE_SHIFT) | ks->key_id;
+
+      if (!multi->opt.server && multi->use_session_id)
+	{
+	  sess = ((P_DATA_V2 << P_OPCODE_SHIFT) | ks->key_id) | (multi->vpn_session_id << 8);
+	  ASSERT (buf_write_prepend (buf, &sess, 4));
+	}
+      else
+	{
+	  ASSERT (op = buf_prepend (buf, 1));
+	  *op = (P_DATA_V1 << P_OPCODE_SHIFT) | ks->key_id;
+	}
       ++ks->n_packets;
       ks->n_bytes += buf->len;
     }
@@ -3477,6 +3483,31 @@ tls_rec_payload (struct tls_multi *multi,
   return ret;
 }
 
+/* Update the remote_addr, needed if a client floats. */
+void
+tls_update_remote_addr (struct tls_multi *multi,
+const struct link_socket_actual *from)
+{
+  struct gc_arena gc = gc_new ();
+  int i;
+
+  for (i = 0; i < KEY_SCAN_SIZE; ++i)
+    {
+      struct key_state *ks = multi->key_scan[i];
+      if (DECRYPT_KEY_ENABLED (multi, ks) && ks->authenticated && link_socket_actual_defined(&ks->remote_addr))
+       {
+	 if (link_socket_actual_match (from, &ks->remote_addr))
+	   continue;
+	 dmsg (D_TLS_KEYSELECT,
+		"TLS: tls_update_remote_addr from IP=%s to IP=%s",
+	       print_link_socket_actual (&ks->remote_addr, &gc),
+	       print_link_socket_actual (from, &gc));
+	 memcpy(&ks->remote_addr, from, sizeof(*from));
+       }
+    }
+  gc_free (&gc);
+}
+
 /*
  * Dump a human-readable rendition of an openvpn packet
  * into a garbage collectable string which is returned.
@@ -3511,7 +3542,7 @@ protocol_dump (struct buffer *buffer, unsigned int flags, struct gc_arena *gc)
   key_id = c & P_KEY_ID_MASK;
   buf_printf (&out, "%s kid=%d", packet_opcode_name (op), key_id);
 
-  if (op == P_DATA_V1)
+  if ((op == P_DATA_V1) || (op == P_DATA_V2))
     goto print_data;
 
   /*
diff --git a/app/openvpn/src/openvpn/ssl.h b/app/openvpn/src/openvpn/ssl.h
index aaecff43..9bdd641f 100644
--- a/app/openvpn/src/openvpn/ssl.h
+++ b/app/openvpn/src/openvpn/ssl.h
@@ -60,6 +60,7 @@
 #define P_CONTROL_V1                   4     /* control channel packet (usually TLS ciphertext) */
 #define P_ACK_V1                       5     /* acknowledgement for packets received */
 #define P_DATA_V1                      6     /* data channel packet */
+#define P_DATA_V2                      9     /* data channel packet with session_id */
 
 /* indicates key_method >= 2 */
 #define P_CONTROL_HARD_RESET_CLIENT_V2 7     /* initial key from client, forget previous state */
@@ -67,7 +68,7 @@
 
 /* define the range of legal opcodes */
 #define P_FIRST_OPCODE                 1
-#define P_LAST_OPCODE                  8
+#define P_LAST_OPCODE                  9
 
 /* Should we aggregate TLS
  * acknowledgements, and tack them onto
@@ -430,6 +431,12 @@ bool tls_send_payload (struct tls_multi *multi,
 bool tls_rec_payload (struct tls_multi *multi,
 		      struct buffer *buf);
 
+/*
+ * Update remote address of a tls_multi structure
+ */
+void tls_update_remote_addr (struct tls_multi *multi,
+			     const struct link_socket_actual *from);
+
 #ifdef MANAGEMENT_DEF_AUTH
 static inline char *
 tls_get_peer_info(const struct tls_multi *multi)
diff --git a/app/openvpn/src/openvpn/ssl_common.h b/app/openvpn/src/openvpn/ssl_common.h
index 04ba7892..2fc72aa6 100644
--- a/app/openvpn/src/openvpn/ssl_common.h
+++ b/app/openvpn/src/openvpn/ssl_common.h
@@ -495,6 +495,10 @@ struct tls_multi
   char *peer_info;
 #endif
 
+  /* For P_DATA_V2 */
+  uint32_t vpn_session_id;
+  int use_session_id;
+
   /*
    * Our session objects.
    */
diff --git a/app/openvpn/src/openvpn/ssl_openssl.c b/app/openvpn/src/openvpn/ssl_openssl.c
index c9d2d26d..adf3ae6f 100644
--- a/app/openvpn/src/openvpn/ssl_openssl.c
+++ b/app/openvpn/src/openvpn/ssl_openssl.c
@@ -270,7 +270,8 @@ tls_ctx_restrict_ciphers(struct tls_root_ctx *ctx, const char *ciphers)
           current_cipher_len = strlen(current_cipher);
 
 	  if (end_of_cipher - begin_of_cipher == current_cipher_len &&
-	      0 == memcmp (&ciphers[begin_of_cipher], cipher_pair->openssl_name, end_of_cipher - begin_of_cipher))
+	      0 != memcmp (&ciphers[begin_of_cipher], cipher_pair->iana_name,
+		  end_of_cipher - begin_of_cipher))
 	    {
 	      // Non-IANA name used, show warning
 	      msg (M_WARN, "Deprecated TLS cipher name '%s', please use IANA name '%s'", cipher_pair->openssl_name, cipher_pair->iana_name);
diff --git a/app/openvpn/src/openvpn/ssl_openssl.h b/app/openvpn/src/openvpn/ssl_openssl.h
index fc2052cb..97dc7422 100644
--- a/app/openvpn/src/openvpn/ssl_openssl.h
+++ b/app/openvpn/src/openvpn/ssl_openssl.h
@@ -33,6 +33,17 @@
 #include <openssl/ssl.h>
 
 /**
+ * SSL_OP_NO_TICKET tells OpenSSL to disable "stateless session resumption",
+ * as this is something we do not want nor need, but could potentially be
+ * used for a future attack.  For compatibility reasons we keep building if the
+ * OpenSSL version is too old (pre-0.9.8f) to support stateless session
+ * resumption (and the accompanying SSL_OP_NO_TICKET flag).
+ */
+#ifndef SSL_OP_NO_TICKET
+# define SSL_OP_NO_TICKET 0
+#endif
+
+/**
  * Structure that wraps the TLS context. Contents differ depending on the
  * SSL library used.
  */
diff --git a/app/openvpn/src/openvpn/ssl_verify_openssl.c b/app/openvpn/src/openvpn/ssl_verify_openssl.c
index 2482eaa4..cbcff022 100644
--- a/app/openvpn/src/openvpn/ssl_verify_openssl.c
+++ b/app/openvpn/src/openvpn/ssl_verify_openssl.c
@@ -591,12 +591,12 @@ x509_verify_crl(const char *crl_file, X509 *peer_cert, const char *subject)
   in = BIO_new_file (crl_file, "r");
 
   if (in == NULL) {
-    msg (M_ERR, "CRL: cannot read: %s", crl_file);
+    msg (M_WARN, "CRL: cannot read: %s", crl_file);
     goto end;
   }
   crl=PEM_read_bio_X509_CRL(in,NULL,NULL,NULL);
   if (crl == NULL) {
-    msg (M_ERR, "CRL: cannot read CRL from file %s", crl_file);
+    msg (M_WARN, "CRL: cannot read CRL from file %s", crl_file);
     goto end;
   }
 
diff --git a/app/openvpn/src/openvpn/ssl_verify_polarssl.c b/app/openvpn/src/openvpn/ssl_verify_polarssl.c
index 71d38a9d..2b7c214f 100644
--- a/app/openvpn/src/openvpn/ssl_verify_polarssl.c
+++ b/app/openvpn/src/openvpn/ssl_verify_polarssl.c
@@ -337,7 +337,7 @@ x509_verify_cert_eku (x509_crt *cert, const char * const expected_oid)
 		}
 	    }
 
-	  if (0 == x509_oid_get_numeric_string( oid_num_str,
+	  if (0 < x509_oid_get_numeric_string( oid_num_str,
 	      sizeof (oid_num_str), oid))
 	    {
 	      msg (D_HANDSHAKE, "++ Certificate has EKU (oid) %s, expects %s",
@@ -371,9 +371,12 @@ x509_verify_crl(const char *crl_file, x509_crt *cert, const char *subject)
   result_t retval = FAILURE;
   x509_crl crl = {0};
 
-  if (x509_crl_parse_file(&crl, crl_file) != 0)
+  int polar_retval = x509_crl_parse_file(&crl, crl_file);
+  if (polar_retval != 0)
     {
-      msg (M_ERR, "CRL: cannot read CRL from file %s", crl_file);
+      char errstr[128];
+      polarssl_strerror(polar_retval, errstr, sizeof(errstr));
+      msg (M_WARN, "CRL: cannot read CRL from file %s (%s)", crl_file, errstr);
       goto end;
     }
 
diff --git a/app/openvpn/src/openvpn/syshead.h b/app/openvpn/src/openvpn/syshead.h
index 771c4fc1..dc511cbc 100644
--- a/app/openvpn/src/openvpn/syshead.h
+++ b/app/openvpn/src/openvpn/syshead.h
@@ -349,6 +349,14 @@
 
 #endif /* TARGET_DRAGONFLY */
 
+#ifdef TARGET_DARWIN
+
+#ifdef HAVE_NETINET_TCP_H
+#include <netinet/tcp.h>
+#endif
+
+#endif /* TARGET_DARWIN */
+
 #ifdef WIN32
 #include <iphlpapi.h>
 #include <ntddndis.h>
diff --git a/app/openvpn/src/openvpn/tun.c b/app/openvpn/src/openvpn/tun.c
index 482f6402..e92edc2f 100644
--- a/app/openvpn/src/openvpn/tun.c
+++ b/app/openvpn/src/openvpn/tun.c
@@ -1194,6 +1194,43 @@ do_ifconfig (struct tuntap *tt,
 	  openvpn_execve_check (&argv, es, S_FATAL, "FreeBSD ifconfig inet6 failed");
 	}
 
+#elif defined(TARGET_AIX)
+      {
+	/* AIX ifconfig will complain if it can't find ODM path in env */
+	struct env_set *aix_es = env_set_create (NULL);
+	env_set_add( aix_es, "ODMDIR=/etc/objrepos" );
+
+	if (tun)
+	  msg(M_FATAL, "no tun support on AIX (canthappen)");
+
+	/* example: ifconfig tap0 172.30.1.1 netmask 255.255.254.0 up */
+	argv_printf (&argv,
+		     "%s %s %s netmask %s mtu %d up",
+			    IFCONFIG_PATH,
+			    actual,
+			    ifconfig_local,
+			    ifconfig_remote_netmask,
+			    tun_mtu
+			    );
+
+	argv_msg (M_INFO, &argv);
+	openvpn_execve_check (&argv, aix_es, S_FATAL, "AIX ifconfig failed");
+	tt->did_ifconfig = true;
+
+	if ( do_ipv6 )
+	  {
+	    argv_printf (&argv,
+				"%s %s inet6 %s/%d",
+				IFCONFIG_PATH,
+				actual,
+				ifconfig_ipv6_local,
+				tt->netbits_ipv6
+				);
+	    argv_msg (M_INFO, &argv);
+	    openvpn_execve_check (&argv, aix_es, S_FATAL, "AIX ifconfig inet6 failed");
+	  }
+	env_set_destroy (aix_es);
+      }
 #elif defined (WIN32)
       {
 	/*
@@ -2825,6 +2862,139 @@ read_tun (struct tuntap* tt, uint8_t *buf, int len)
     return read (tt->fd, buf, len);
 }
 
+#elif defined(TARGET_AIX)
+
+void
+open_tun (const char *dev, const char *dev_type, const char *dev_node, struct tuntap *tt)
+{
+  char tunname[256];
+  char dynamic_name[20];
+  const char *p;
+  struct argv argv;
+
+  if (tt->type == DEV_TYPE_NULL)
+    {
+      open_null (tt);
+      return;
+    }
+
+  if ( tt->type == DEV_TYPE_TUN)
+    {
+      msg(M_FATAL, "no support for 'tun' devices on AIX" );
+    }
+
+  if ( strncmp( dev, "tap", 3 ) != 0 || dev_node )
+    {
+      msg(M_FATAL, "'--dev %s' and/or '--dev-node' not supported on AIX, use '--dev tap0', 'tap1', etc.", dev );
+    }
+
+  if ( strcmp( dev, "tap" ) == 0 )		/* find first free tap dev */
+    {						/* (= no /dev/tapN node) */
+      int i;
+      for (i=0; i<99; i++ )
+	{
+	  openvpn_snprintf (tunname, sizeof (tunname), "/dev/tap%d", i);
+	  if ( access( tunname, F_OK ) < 0 && errno == ENOENT )
+	    { break; }
+	}
+      if ( i >= 99 )
+	msg( M_FATAL, "cannot find unused tap device" );
+
+      openvpn_snprintf( dynamic_name, sizeof(dynamic_name), "tap%d", i );
+      dev = dynamic_name;
+    }
+  else						/* name given, sanity check */
+    {
+      /* ensure that dev name is "tap+<digits>" *only* */
+      p = &dev[3];
+      while( isdigit(*p) ) p++;
+      if ( *p != '\0' )
+	msg( M_FATAL, "TAP device name must be '--dev tapNNNN'" );
+
+      openvpn_snprintf (tunname, sizeof (tunname), "/dev/%s", dev);
+    }
+
+  /* pre-existing device?
+   */
+  if ( access( tunname, F_OK ) < 0 && errno == ENOENT )
+    {
+
+      /* tunnel device must be created with 'ifconfig tapN create'
+       */
+      struct env_set *es = env_set_create (NULL);
+      argv_init (&argv);
+      argv_printf (&argv, "%s %s create", IFCONFIG_PATH, dev);
+      argv_msg (M_INFO, &argv);
+      env_set_add( es, "ODMDIR=/etc/objrepos" );
+      openvpn_execve_check (&argv, es, S_FATAL, "AIX 'create tun interface' failed");
+      env_set_destroy (es);
+    }
+  else
+    {
+      /* we didn't make it, we're not going to break it */
+      tt->persistent_if = TRUE;
+    }
+
+  if ((tt->fd = open (tunname, O_RDWR)) < 0)
+    {
+      msg (M_ERR, "Cannot open TAP device '%s'", tunname);
+    }
+
+  set_nonblock (tt->fd);
+  set_cloexec (tt->fd); /* don't pass fd to scripts */
+  msg (M_INFO, "TUN/TAP device %s opened", tunname);
+
+  /* tt->actual_name is passed to up and down scripts and used as the ifconfig dev name */
+  tt->actual_name = string_alloc(dev, NULL);
+}
+
+/* tap devices need to be manually destroyed on AIX
+ */
+void
+close_tun (struct tuntap* tt)
+{
+  struct gc_arena gc = gc_new ();
+  struct argv argv;
+  struct env_set *es = env_set_create (NULL);
+
+  if (!tt) return;
+
+  /* persistent devices need IP address unconfig, others need destroyal
+   */
+  argv_init (&argv);
+
+  if (tt->persistent_if)
+    {
+      argv_printf (&argv, "%s %s 0.0.0.0 down",
+                          IFCONFIG_PATH, tt->actual_name);
+    }
+  else
+    {
+      argv_printf (&argv, "%s %s destroy",
+                          IFCONFIG_PATH, tt->actual_name);
+    }
+
+  close_tun_generic (tt);
+  argv_msg (M_INFO, &argv);
+  env_set_add( es, "ODMDIR=/etc/objrepos" );
+  openvpn_execve_check (&argv, es, 0, "AIX 'destroy tap interface' failed (non-critical)");
+
+  free(tt);
+  env_set_destroy (es);
+}
+
+int
+write_tun (struct tuntap* tt, uint8_t *buf, int len)
+{
+    return write (tt->fd, buf, len);
+}
+
+int
+read_tun (struct tuntap* tt, uint8_t *buf, int len)
+{
+    return read (tt->fd, buf, len);
+}
+
 #elif defined(WIN32)
 
 int
diff --git a/app/openvpn/src/openvpnserv/openvpnserv.vcxproj b/app/openvpn/src/openvpnserv/openvpnserv.vcxproj
index f2c00718..0b75ed01 100644
--- a/app/openvpn/src/openvpnserv/openvpnserv.vcxproj
+++ b/app/openvpn/src/openvpnserv/openvpnserv.vcxproj
@@ -1,112 +1,112 @@
-<?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>{9C91EE0B-817D-420A-A1E6-15A5A9D98BAD}</ProjectGuid>

-    <RootNamespace>openvpnserv</RootNamespace>

-    <Keyword>Win32Proj</Keyword>

-  </PropertyGroup>

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

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

-    <ConfigurationType>Application</ConfigurationType>

-    <CharacterSet>MultiByte</CharacterSet>

-    <WholeProgramOptimization>true</WholeProgramOptimization>

-  </PropertyGroup>

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

-    <ConfigurationType>Application</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>

-    <LinkIncremental Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">true</LinkIncremental>

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

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

-    <LinkIncremental Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">false</LinkIncremental>

-  </PropertyGroup>

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

-    <ClCompile>

-      <Optimization>Disabled</Optimization>

-      <AdditionalIncludeDirectories>$(SOURCEBASE);%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>

-      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;$(CPPFLAGS);%(PreprocessorDefinitions)</PreprocessorDefinitions>

-      <MinimalRebuild>true</MinimalRebuild>

-      <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>

-      <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>

-      <PrecompiledHeader>

-      </PrecompiledHeader>

-      <WarningLevel>Level3</WarningLevel>

-      <DebugInformationFormat>EditAndContinue</DebugInformationFormat>

-    </ClCompile>

-    <ResourceCompile>

-      <AdditionalIncludeDirectories>$(SOURCEBASE);%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>

-    </ResourceCompile>

-    <Link>

-      <GenerateDebugInformation>true</GenerateDebugInformation>

-      <SubSystem>Console</SubSystem>

-      <TargetMachine>MachineX86</TargetMachine>

-    </Link>

-  </ItemDefinitionGroup>

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

-    <ClCompile>

-      <Optimization>MaxSpeed</Optimization>

-      <IntrinsicFunctions>true</IntrinsicFunctions>

-      <AdditionalIncludeDirectories>$(SOURCEBASE);%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>

-      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;$(CPPFLAGS);%(PreprocessorDefinitions)</PreprocessorDefinitions>

-      <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>

-      <FunctionLevelLinking>true</FunctionLevelLinking>

-      <PrecompiledHeader>

-      </PrecompiledHeader>

-      <WarningLevel>Level3</WarningLevel>

-      <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>

-    </ClCompile>

-    <ResourceCompile>

-      <AdditionalIncludeDirectories>$(SOURCEBASE);%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>

-    </ResourceCompile>

-    <Link>

-      <GenerateDebugInformation>true</GenerateDebugInformation>

-      <SubSystem>Console</SubSystem>

-      <OptimizeReferences>true</OptimizeReferences>

-      <EnableCOMDATFolding>true</EnableCOMDATFolding>

-      <TargetMachine>MachineX86</TargetMachine>

-    </Link>

-  </ItemDefinitionGroup>

-  <ItemGroup>

-    <ClCompile Include="openvpnserv.c" />

-    <ClCompile Include="service.c" />

-  </ItemGroup>

-  <ItemGroup>

-    <ClInclude Include="service.h" />

-  </ItemGroup>

-  <ItemGroup>

-    <ResourceCompile Include="openvpnserv_resources.rc" />

-  </ItemGroup>

-  <ItemGroup>

-    <ProjectReference Include="..\..\build\msvc\msvc-generate\msvc-generate.vcxproj">

-      <Project>{8598c2c8-34c4-47a1-99b0-7c295a890615}</Project>

-      <ReferenceOutputAssembly>false</ReferenceOutputAssembly>

-    </ProjectReference>

-  </ItemGroup>

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

-  <ImportGroup Label="ExtensionTargets">

-  </ImportGroup>

+<?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>{9C91EE0B-817D-420A-A1E6-15A5A9D98BAD}</ProjectGuid>
+    <RootNamespace>openvpnserv</RootNamespace>
+    <Keyword>Win32Proj</Keyword>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <CharacterSet>MultiByte</CharacterSet>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <CharacterSet>MultiByte</CharacterSet>
+  </PropertyGroup>
+  <Import Project="$(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'">$(Configuration)\</IntDir>
+    <LinkIncremental Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">true</LinkIncremental>
+    <OutDir Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">$(SolutionDir)$(Platform)-Output\$(Configuration)\</OutDir>
+    <IntDir Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">$(Configuration)\</IntDir>
+    <LinkIncremental Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">false</LinkIncremental>
+  </PropertyGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <ClCompile>
+      <Optimization>Disabled</Optimization>
+      <AdditionalIncludeDirectories>$(SOURCEBASE);%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;$(CPPFLAGS);%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <MinimalRebuild>true</MinimalRebuild>
+      <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
+      <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
+      <PrecompiledHeader>
+      </PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <DebugInformationFormat>EditAndContinue</DebugInformationFormat>
+    </ClCompile>
+    <ResourceCompile>
+      <AdditionalIncludeDirectories>$(SOURCEBASE);%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+    </ResourceCompile>
+    <Link>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <SubSystem>Console</SubSystem>
+      <TargetMachine>MachineX86</TargetMachine>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <ClCompile>
+      <Optimization>MaxSpeed</Optimization>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <AdditionalIncludeDirectories>$(SOURCEBASE);%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;$(CPPFLAGS);%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <PrecompiledHeader>
+      </PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
+    </ClCompile>
+    <ResourceCompile>
+      <AdditionalIncludeDirectories>$(SOURCEBASE);%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+    </ResourceCompile>
+    <Link>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <SubSystem>Console</SubSystem>
+      <OptimizeReferences>true</OptimizeReferences>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <TargetMachine>MachineX86</TargetMachine>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemGroup>
+    <ClCompile Include="openvpnserv.c" />
+    <ClCompile Include="service.c" />
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="service.h" />
+  </ItemGroup>
+  <ItemGroup>
+    <ResourceCompile Include="openvpnserv_resources.rc" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\..\build\msvc\msvc-generate\msvc-generate.vcxproj">
+      <Project>{8598c2c8-34c4-47a1-99b0-7c295a890615}</Project>
+      <ReferenceOutputAssembly>false</ReferenceOutputAssembly>
+    </ProjectReference>
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
 </Project>
\ No newline at end of file
diff --git a/app/openvpn/src/openvpnserv/openvpnserv.vcxproj.filters b/app/openvpn/src/openvpnserv/openvpnserv.vcxproj.filters
index a6f8ecc6..0c89b4f4 100644
--- a/app/openvpn/src/openvpnserv/openvpnserv.vcxproj.filters
+++ b/app/openvpn/src/openvpnserv/openvpnserv.vcxproj.filters
@@ -1,35 +1,35 @@
-<?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="openvpnserv.c">

-      <Filter>Source Files</Filter>

-    </ClCompile>

-    <ClCompile Include="service.c">

-      <Filter>Source Files</Filter>

-    </ClCompile>

-  </ItemGroup>

-  <ItemGroup>

-    <ClInclude Include="service.h">

-      <Filter>Header Files</Filter>

-    </ClInclude>

-  </ItemGroup>

-  <ItemGroup>

-    <ResourceCompile Include="openvpnserv_resources.rc">

-      <Filter>Resource Files</Filter>

-    </ResourceCompile>

-  </ItemGroup>

+<?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="openvpnserv.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="service.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="service.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+  </ItemGroup>
+  <ItemGroup>
+    <ResourceCompile Include="openvpnserv_resources.rc">
+      <Filter>Resource Files</Filter>
+    </ResourceCompile>
+  </ItemGroup>
 </Project>
\ No newline at end of file