# HG changeset patch
# User Olaf Wintermann <olaf.wintermann@gmail.com>
# Date 1694945284 -7200
# Node ID 38796c7e32b635910cfa07b9bcdc14c4b1048f32
# Parent  7110b37f2a6b1f44379cb7d55f3587e73d66777b
fix aes_write on windows could write non-decrypted bytes to output buffer

diff -r 7110b37f2a6b -r 38796c7e32b6 libidav/crypto.c
--- a/libidav/crypto.c	Sun Sep 17 11:21:31 2023 +0200
+++ b/libidav/crypto.c	Sun Sep 17 12:08:04 2023 +0200
@@ -1093,10 +1093,11 @@
     
     // ready to decrypt the message
     ULONG outlen = clen + 32;
-    unsigned char *out = malloc(outlen);
        
     // decrypt
     if(clen > 0) {
+        unsigned char* out = malloc(outlen);
+
         ULONG enc_len = 0;
         ULONG status = BCryptDecrypt(dec->ctx.hKey, cbuf, clen, NULL, dec->ctx.pbIV, 16, out, outlen, &enc_len, 0);
         if(status > 0) {
@@ -1106,13 +1107,14 @@
             return 0;
         }      
         outlen = enc_len;
+
+        // write decrypted data to the output stream and update the hash
+        dec->write(out, 1, outlen, dec->stream);
+        BCryptHashData(dec->sha256.hHash, out, outlen, 0);
+
+        free(out);
     }
     
-    // write decrypted data to the output stream and update the hash
-    dec->write(out, 1, outlen, dec->stream);
-    BCryptHashData(dec->sha256.hHash, out, outlen, 0);
-    
-    free(out);
     free(cbuf);
     
     return (s*n) / s;
diff -r 7110b37f2a6b -r 38796c7e32b6 make/vs/dav-sync/dav-sync.vcxproj
--- a/make/vs/dav-sync/dav-sync.vcxproj	Sun Sep 17 11:21:31 2023 +0200
+++ b/make/vs/dav-sync/dav-sync.vcxproj	Sun Sep 17 12:08:04 2023 +0200
@@ -72,7 +72,7 @@
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
     <OutDir>$(SolutionDir)..\..\build\vs\$(Platform)\$(Configuration)\</OutDir>
-    <IntDir>..\..\..\build\vs\dav\$(Platform)\$(Configuration)\</IntDir>
+    <IntDir>..\..\..\build\vs\dav-sync\$(Platform)\$(Configuration)\</IntDir>
   </PropertyGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <ClCompile>
@@ -110,6 +110,8 @@
       <ConformanceMode>true</ConformanceMode>
       <AdditionalIncludeDirectories>..\..\..\ucx;..\vcpkg_installed\x64-windows\x64-windows\include;..\..\..\;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <LanguageStandard_C>stdc17</LanguageStandard_C>
+      <AdditionalOptions>
+      </AdditionalOptions>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
diff -r 7110b37f2a6b -r 38796c7e32b6 make/vs/dav.sln
--- a/make/vs/dav.sln	Sun Sep 17 11:21:31 2023 +0200
+++ b/make/vs/dav.sln	Sun Sep 17 12:08:04 2023 +0200
@@ -13,6 +13,8 @@
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "dav-sync", "dav-sync\dav-sync.vcxproj", "{961B8763-3587-4C28-9268-3970ED5FE106}"
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "test", "test\test.vcxproj", "{EA9525DF-6935-41C6-8330-351AAD8555B8}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|x64 = Debug|x64
@@ -61,6 +63,14 @@
 		{961B8763-3587-4C28-9268-3970ED5FE106}.Release|x64.Build.0 = Release|x64
 		{961B8763-3587-4C28-9268-3970ED5FE106}.Release|x86.ActiveCfg = Release|Win32
 		{961B8763-3587-4C28-9268-3970ED5FE106}.Release|x86.Build.0 = Release|Win32
+		{EA9525DF-6935-41C6-8330-351AAD8555B8}.Debug|x64.ActiveCfg = Debug|x64
+		{EA9525DF-6935-41C6-8330-351AAD8555B8}.Debug|x64.Build.0 = Debug|x64
+		{EA9525DF-6935-41C6-8330-351AAD8555B8}.Debug|x86.ActiveCfg = Debug|Win32
+		{EA9525DF-6935-41C6-8330-351AAD8555B8}.Debug|x86.Build.0 = Debug|Win32
+		{EA9525DF-6935-41C6-8330-351AAD8555B8}.Release|x64.ActiveCfg = Release|x64
+		{EA9525DF-6935-41C6-8330-351AAD8555B8}.Release|x64.Build.0 = Release|x64
+		{EA9525DF-6935-41C6-8330-351AAD8555B8}.Release|x86.ActiveCfg = Release|Win32
+		{EA9525DF-6935-41C6-8330-351AAD8555B8}.Release|x86.Build.0 = Release|Win32
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
diff -r 7110b37f2a6b -r 38796c7e32b6 make/vs/dav/dav.vcxproj
--- a/make/vs/dav/dav.vcxproj	Sun Sep 17 11:21:31 2023 +0200
+++ b/make/vs/dav/dav.vcxproj	Sun Sep 17 12:08:04 2023 +0200
@@ -110,6 +110,8 @@
       <ConformanceMode>true</ConformanceMode>
       <AdditionalIncludeDirectories>..\..\..\ucx;..\vcpkg_installed\x64-windows\x64-windows\include;..\..\..\;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <LanguageStandard_C>stdc17</LanguageStandard_C>
+      <AdditionalOptions>
+      </AdditionalOptions>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
diff -r 7110b37f2a6b -r 38796c7e32b6 make/vs/davcommon/davcommon.vcxproj
--- a/make/vs/davcommon/davcommon.vcxproj	Sun Sep 17 11:21:31 2023 +0200
+++ b/make/vs/davcommon/davcommon.vcxproj	Sun Sep 17 12:08:04 2023 +0200
@@ -113,6 +113,8 @@
       <ConformanceMode>true</ConformanceMode>
       <AdditionalIncludeDirectories>..\..\..\ucx;..\vcpkg_installed\x64-windows\x64-windows\include;..\..\..\;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <LanguageStandard_C>stdc17</LanguageStandard_C>
+      <AdditionalOptions>
+      </AdditionalOptions>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
diff -r 7110b37f2a6b -r 38796c7e32b6 make/vs/libidav/libidav.vcxproj
--- a/make/vs/libidav/libidav.vcxproj	Sun Sep 17 11:21:31 2023 +0200
+++ b/make/vs/libidav/libidav.vcxproj	Sun Sep 17 12:08:04 2023 +0200
@@ -114,6 +114,8 @@
       <ConformanceMode>true</ConformanceMode>
       <LanguageStandard_C>stdc11</LanguageStandard_C>
       <AdditionalIncludeDirectories>..\..\..\ucx;..\vcpkg_installed\x64-windows\x64-windows\include</AdditionalIncludeDirectories>
+      <AdditionalOptions>
+      </AdditionalOptions>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
diff -r 7110b37f2a6b -r 38796c7e32b6 make/vs/test/test.vcxproj
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/make/vs/test/test.vcxproj	Sun Sep 17 12:08:04 2023 +0200
@@ -0,0 +1,161 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" 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>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <VCProjectVersion>17.0</VCProjectVersion>
+    <Keyword>Win32Proj</Keyword>
+    <ProjectGuid>{ea9525df-6935-41c6-8330-351aad8555b8}</ProjectGuid>
+    <RootNamespace>test</RootNamespace>
+    <WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>v143</PlatformToolset>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v143</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>v143</PlatformToolset>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v143</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="Shared">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <OutDir>$(SolutionDir)..\..\build\vs\$(Platform)\$(Configuration)\</OutDir>
+    <IntDir>..\..\..\build\vs\test\$(Platform)\$(Configuration)\</IntDir>
+  </PropertyGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+      <AdditionalIncludeDirectories>..\..\..\ucx;..\vcpkg_installed\x64-windows\x64-windows\include;..\..\..\;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <LanguageStandard_C>stdc17</LanguageStandard_C>
+      <AdditionalOptions>
+      </AdditionalOptions>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <AdditionalLibraryDirectories>..\vcpkg_installed\x64-windows\x64-windows\lib;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <AdditionalDependencies>charset.lib;iconv.lib;libcurl.lib;libxml2.lib;lzma.lib;zlib.lib;bcrypt.lib;%(AdditionalDependencies)</AdditionalDependencies>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemGroup>
+    <ClCompile Include="..\..\..\test\base64.c" />
+    <ClCompile Include="..\..\..\test\crypto.c" />
+    <ClCompile Include="..\..\..\test\main.c" />
+    <ClCompile Include="..\..\..\test\test.c" />
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="..\..\..\test\base64.h" />
+    <ClInclude Include="..\..\..\test\crypto.h" />
+    <ClInclude Include="..\..\..\test\test.h" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\libidav\libidav.vcxproj">
+      <Project>{c29c0378-6548-48e8-9426-31922515212a}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\ucx\ucx.vcxproj">
+      <Project>{27da0164-3475-43e2-a1a4-a5d07d305749}</Project>
+    </ProjectReference>
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+</Project>
\ No newline at end of file
diff -r 7110b37f2a6b -r 38796c7e32b6 make/vs/test/test.vcxproj.filters
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/make/vs/test/test.vcxproj.filters	Sun Sep 17 12:08:04 2023 +0200
@@ -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="Quelldateien">
+      <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
+      <Extensions>cpp;c;cc;cxx;c++;cppm;ixx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
+    </Filter>
+    <Filter Include="Headerdateien">
+      <UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
+      <Extensions>h;hh;hpp;hxx;h++;hm;inl;inc;ipp;xsd</Extensions>
+    </Filter>
+    <Filter Include="Ressourcendateien">
+      <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;mfcribbon-ms</Extensions>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="..\..\..\test\base64.c">
+      <Filter>Quelldateien</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\..\test\crypto.c">
+      <Filter>Quelldateien</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\..\test\main.c">
+      <Filter>Quelldateien</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\..\test\test.c">
+      <Filter>Quelldateien</Filter>
+    </ClCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="..\..\..\test\base64.h">
+      <Filter>Headerdateien</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\test\crypto.h">
+      <Filter>Headerdateien</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\test\test.h">
+      <Filter>Headerdateien</Filter>
+    </ClInclude>
+  </ItemGroup>
+</Project>
\ No newline at end of file
diff -r 7110b37f2a6b -r 38796c7e32b6 make/vs/ucx/ucx.vcxproj
--- a/make/vs/ucx/ucx.vcxproj	Sun Sep 17 11:21:31 2023 +0200
+++ b/make/vs/ucx/ucx.vcxproj	Sun Sep 17 12:08:04 2023 +0200
@@ -109,6 +109,8 @@
       <PreprocessorDefinitions>_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
       <LanguageStandard_C>stdc17</LanguageStandard_C>
+      <AdditionalOptions>
+      </AdditionalOptions>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>