Add AppVeyor builds and fix small issues

Author: VitaSmith

.gitignore

@@ -7,6 +7,7 @@
 *.d
 *.db
 *.dat
+*.dec
 *.dll
 *.doc
 *.exe

.vs/cdecrypt.vcxproj

@@ -104,7 +104,7 @@
   </PropertyGroup>
   <ItemDefinitionGroup Condition="'$(AppVersion)' != ''">
     <ClCompile>
-      <AdditionalOptions>/DGUST_TOOLS_VERSION=$(AppVersion) %(AdditionalOptions)</AdditionalOptions>
+      <AdditionalOptions>/DAPP_VERSION=$(AppVersion) %(AdditionalOptions)</AdditionalOptions>
     </ClCompile>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
@@ -123,7 +123,6 @@
     <Link>
       <SubSystem>Console</SubSystem>
       <GenerateDebugInformation>true</GenerateDebugInformation>
-      <AdditionalLibraryDirectories>C:\Program Files (x86)\OpenSSL-Win32\lib</AdditionalLibraryDirectories>
     </Link>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
@@ -142,7 +141,6 @@
     <Link>
       <SubSystem>Console</SubSystem>
       <GenerateDebugInformation>true</GenerateDebugInformation>
-      <AdditionalLibraryDirectories>C:\Program Files\OpenSSL-Win64\lib</AdditionalLibraryDirectories>
     </Link>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
@@ -164,7 +162,6 @@
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
       <OptimizeReferences>true</OptimizeReferences>
       <GenerateDebugInformation>true</GenerateDebugInformation>
-      <AdditionalLibraryDirectories>C:\Program Files (x86)\OpenSSL-Win32\lib</AdditionalLibraryDirectories>
     </Link>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
@@ -186,7 +183,6 @@
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
       <OptimizeReferences>true</OptimizeReferences>
       <GenerateDebugInformation>true</GenerateDebugInformation>
-      <AdditionalLibraryDirectories>C:\Program Files\OpenSSL-Win64\lib</AdditionalLibraryDirectories>
     </Link>
   </ItemDefinitionGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />

README.md

@@ -1,6 +1,13 @@
 # cdecrypt
 
+[![Build status](https://img.shields.io/appveyor/ci/VitaSmith/cdecrypt.svg?style=flat-square)](https://ci.appveyor.com/project/VitaSmith/cdecrypt)
+[![Github stats](https://img.shields.io/github/downloads/VitaSmith/gust_tools/total.svg?style=flat-square)](https://github.com/VitaSmith/gust_tools/releases)
+[![Latest release](https://img.shields.io/github/release-pre/VitaSmith/gust_tools?style=flat-square)](https://github.com/VitaSmith/gust_tools/releases)
+
 A commandline utility that can be used to decrypt Wii U NUS content files.
 
-This is a fork of fork of https://code.google.com/p/cdecrypt intended for modders,
+This is a fork of https://code.google.com/p/cdecrypt intended for modders,
 who want to explore or modify the content of the Wii U applications they own.
+
+Unlike other clones, this version of cdecrypt has **no** external dependencies
+such as OpenSSL libraries and whatnot. A single executable file is all you need.

aes.c

@@ -566,7 +566,7 @@ int aes_setkey_dec(aes_context* ctx, const uint8_t* key, unsigned int keybits)
 
     ctx->nr = cty.nr;
 
-    SK = cty.rk + cty.nr * 4;
+    SK = cty.rk + (uintptr_t)cty.nr * 4;
 
     *RK++ = *SK++;
     *RK++ = *SK++;

appveyor.yml

@@ -0,0 +1,30 @@
+image: Visual Studio 2019
+
+skip_non_tags: true
+
+environment:
+  PROJECT_NAME: cdecrypt
+  FRIENDLY_NAME: cdecrypt
+
+build_script:
+  ps: |-
+      msbuild "$env:PROJECT_NAME.sln" /m /p:Configuration=Release /p:Platform=x86 /p:AppVersion=$env:APPVEYOR_REPO_TAG_NAME /logger:"C:\Program Files\AppVeyor\BuildAgent\Appveyor.MSBuildLogger.dll"
+
+after_build:
+  ps: |-
+      7z a "$env:PROJECT_NAME.zip" .\x86\Release\*.exe README.md LICENSE.txt
+      Get-FileHash "$env:PROJECT_NAME.zip" -Algorithm SHA256 | Format-List
+
+artifacts:
+  - path: $(PROJECT_NAME).zip
+    name: $(FRIENDLY_NAME)
+
+deploy:
+  release: $(APPVEYOR_REPO_TAG_NAME)
+  description: $(FRIENDLY_NAME) $(APPVEYOR_REPO_TAG_NAME)
+  provider: GitHub
+  auth_token:
+    secure: NJtYKU1LEV3Y13rBlM/EU93LwU7di/h2o/Sa0niABhIhFqD5Q2/jjbHYbS45IPhf
+  artifact: /.*\.zip/
+  draft: false
+  prerelease: false

cdecrypt.c

@@ -263,7 +263,7 @@ static bool ExtractFileHash(FILE* in, uint64_t PartDataOffset, uint64_t FileOffs
             goto out;
         }
 
-        Size -= fwrite(decdata + soffset, sizeof(char), WriteSize, dst);
+        Size -= fwrite(decdata + soffset, sizeof(char), (size_t)WriteSize, dst);
 
         Wrote += WriteSize;
 
@@ -328,7 +328,7 @@ static bool ExtractFile(FILE* in, uint64_t PartDataOffset, uint64_t FileOffset,
 
         aes_crypt_cbc(&ctx, AES_DECRYPT, BLOCK_SIZE, IV, (const uint8_t*)(encdata), (uint8_t*)decdata);
 
-        Size -= fwrite(decdata + soffset, sizeof(char), WriteSize, dst);
+        Size -= fwrite(decdata + soffset, sizeof(char), (size_t)WriteSize, dst);
 
         Wrote += WriteSize;