initial commit

.gitignore

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+# bin and obj directories
+[Bb]in/
+[Oo]bj/
+
+# VisualStudio's *.suo files
+*.suo

updater-cli/Program.cs

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+using System;
+using System.Collections.Generic;
+
+namespace updater_cli
+{
+    class Program
+    {
+        static void Main(string[] args)
+        {
+            var list = detection.DetectorRegistry.detect();
+            foreach (var item in list)
+            {
+                Console.WriteLine("\"" + item.displayName + "\", version \"" + item.displayVersion + "\"");
+                Console.WriteLine("   Install: \"" + item.installPath + "\"");
+                Console.WriteLine();
+            }
+
+            list = detection.DetectorMSI.detect();
+            foreach (var item in list)
+            {
+                Console.WriteLine("\"" + item.displayName + "\", version \"" + item.displayVersion + "\"");
+                Console.WriteLine("   Install: \"" + item.installPath + "\"");
+                Console.WriteLine();
+            }
+        } //Main
+    } //class
+} //namespace

updater-cli/Properties/AssemblyInfo.cs

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+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+// Allgemeine Informationen über eine Assembly werden über die folgenden 
+// Attribute gesteuert. Ändern Sie diese Attributwerte, um die Informationen zu ändern,
+// die mit einer Assembly verknüpft sind.
+[assembly: AssemblyTitle("updater-cli")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("updater-cli")]
+[assembly: AssemblyCopyright("Copyright © 2016 Dirk Stolle")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Durch Festlegen von ComVisible auf "false" werden die Typen in dieser Assembly unsichtbar 
+// für COM-Komponenten. Wenn Sie auf einen Typ in dieser Assembly von 
+// COM zugreifen müssen, legen Sie das ComVisible-Attribut für diesen Typ auf "true" fest.
+[assembly: ComVisible(false)]
+
+// Die folgende GUID bestimmt die ID der Typbibliothek, wenn dieses Projekt für COM verfügbar gemacht wird
+[assembly: Guid("6e49750a-0093-491c-8506-d0e885981c22")]
+
+// Versionsinformationen für eine Assembly bestehen aus den folgenden vier Werten:
+//
+//      Hauptversion
+//      Nebenversion 
+//      Buildnummer
+//      Revision
+//
+// Sie können alle Werte angeben oder die standardmäßigen Build- und Revisionsnummern 
+// übernehmen, indem Sie "*" eingeben:
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("0.1.0.0")]
+[assembly: AssemblyFileVersion("0.1.0.0")]

updater-cli/detection/DetectorMSI.cs

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+using System;
+using System.Collections.Generic;
+using System.Runtime.InteropServices;
+using System.Text;
+
+namespace updater_cli.detection
+{
+    public class DetectorMSI
+    {
+        [DllImport("msi.dll", CharSet = CharSet.Unicode)]
+        static extern Int32 MsiGetProductInfo(string product, string property,
+            [Out] StringBuilder valueBuf, ref Int32 len);
+
+        [DllImport("msi.dll", SetLastError = true)]
+        static extern int MsiEnumProducts(int iProductIndex,
+            StringBuilder lpProductBuf);
+
+
+        /// <summary>
+        /// tries to get a list of installed software from the MSI cache
+        /// </summary>
+        /// <returns>Returns a list of installed software.</returns>
+        public static List<Entry> detect()
+        {
+            List<Entry> entries = new List<Entry>();
+            StringBuilder sbProductCode = new StringBuilder(39);
+            int iIdx = 0;
+            while (0 == MsiEnumProducts(iIdx++, sbProductCode))
+            {
+                Int32 productNameLen = 512;
+                StringBuilder sbProductName = new StringBuilder(productNameLen);
+                MsiGetProductInfo(sbProductCode.ToString(), "ProductName", sbProductName, ref productNameLen);
+                Int32 installDirLen = 1024;
+                StringBuilder sbInstallDir = new StringBuilder(installDirLen);
+                MsiGetProductInfo(sbProductCode.ToString(), "InstallLocation", sbInstallDir, ref installDirLen);
+                var e = new Entry(sbProductName.ToString(), null, sbInstallDir.ToString());
+                if (e.containsInformation())
+                    entries.Add(e);
+            } //while
+            return entries;
+        }
+    } //class
+} //namespace

updater-cli/detection/DetectorRegistry.cs

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+using System;
+using System.Collections.Generic;
+using Microsoft.Win32;
+
+namespace updater_cli.detection
+{
+    public class DetectorRegistry
+    {
+        /// <summary>
+        /// tries to get a list of installed software from the registry
+        /// </summary>
+        /// <returns>Returns a list of installed software.</returns>
+        public static List<Entry> detect()
+        {
+            string keyName = "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall";
+            RegistryKey rKey = Registry.LocalMachine.OpenSubKey(keyName);
+            if (null == rKey)
+                return null;
+
+            List<Entry> entries = new List<Entry>();
+            var subKeys = rKey.GetSubKeyNames();
+            foreach (var subName in subKeys)
+            {
+                RegistryKey subKey = rKey.OpenSubKey(subName);
+                if (null != subKey)
+                {
+                    Entry e = new Entry();
+                    object dnObj = subKey.GetValue("DisplayName");
+                    if (null != dnObj)
+                        e.displayName = dnObj.ToString().Trim();
+                    object dvObj = subKey.GetValue("DisplayVersion");
+                    if (null != dvObj)
+                        e.displayVersion = dvObj.ToString().Trim();
+                    object ilObj = subKey.GetValue("InstallLocation");
+                    if (null != ilObj)
+                        e.installPath = ilObj.ToString().Trim();
+                    subKey.Close();
+                    subKey = null;
+                    if (e.containsInformation())
+                        entries.Add(e);
+                } //if subKey was opened
+            } //foreach
+            subKeys = null;
+            rKey.Close();
+            rKey = null;
+            return entries;
+        }
+    } //class
+} 

updater-cli/detection/Entry.cs

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+using System.Collections.Generic;
+
+namespace updater_cli.detection
+{
+    /// <summary>
+    /// struct that represents a detected software
+    /// </summary>
+    public struct Entry
+    {
+        /// <summary>
+        /// default constructor
+        /// </summary>
+        public Entry(string dispName = null, string dispVersion = null, string instPath = null)
+        {
+            displayName = dispName;
+            displayVersion = dispVersion;
+            installPath = instPath;
+        }
+
+
+        /// <summary>
+        /// checks whether the entry contains some basic information
+        /// </summary>
+        /// <returns>Returns true, if at least the name of the software is set.</returns>
+        public bool containsInformation()
+        {
+            return !string.IsNullOrWhiteSpace(displayName);
+        }
+
+
+        /// <summary>
+        /// the displayed name of the software
+        /// </summary>
+        public string displayName;
+
+
+        /// <summary>
+        /// displayed version of the software
+        /// </summary>
+        public string displayVersion;
+
+
+        /// <summary>
+        /// path where the software is installed
+        /// </summary>
+        public string installPath;
+
+        /*
+        public int Compare(Entry other)
+        {
+            int c = string.Compare(this.displayName, other.displayName);
+            if (c != 0)
+                return c;
+            return string.Compare(this.displayVersion, other.displayVersion);
+        */
+    } //struct
+} //namespace

updater-cli/updater-cli.csproj

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+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">x86</Platform>
+    <ProductVersion>8.0.30703</ProductVersion>
+    <SchemaVersion>2.0</SchemaVersion>
+    <ProjectGuid>{6CE74677-6889-4E18-AF1A-C933AE211AB6}</ProjectGuid>
+    <OutputType>Exe</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>updater_cli</RootNamespace>
+    <AssemblyName>updater-cli</AssemblyName>
+    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
+    <TargetFrameworkProfile>Client</TargetFrameworkProfile>
+    <FileAlignment>512</FileAlignment>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|x86' ">
+    <PlatformTarget>x86</PlatformTarget>
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|x86' ">
+    <PlatformTarget>x86</PlatformTarget>
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="System" />
+    <Reference Include="System.Core" />
+    <Reference Include="System.Data.DataSetExtensions" />
+    <Reference Include="Microsoft.CSharp" />
+    <Reference Include="System.Xml" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="detection\DetectorMSI.cs" />
+    <Compile Include="detection\Entry.cs" />
+    <Compile Include="detection\DetectorRegistry.cs" />
+    <Compile Include="Program.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <WCFMetadata Include="Service References\" />
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
+       Other similar extension points exist, see Microsoft.Common.targets.
+  <Target Name="BeforeBuild">
+  </Target>
+  <Target Name="AfterBuild">
+  </Target>
+  -->
+</Project>

updater-cli/updater-cli.csproj.user

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+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+</Project>

updater-cli/updater-cli.sln

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+
+Microsoft Visual Studio Solution File, Format Version 11.00
+# Visual C# Express 2010
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "updater-cli", "updater-cli.csproj", "{6CE74677-6889-4E18-AF1A-C933AE211AB6}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|x86 = Debug|x86
+		Release|x86 = Release|x86
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{6CE74677-6889-4E18-AF1A-C933AE211AB6}.Debug|x86.ActiveCfg = Debug|x86
+		{6CE74677-6889-4E18-AF1A-C933AE211AB6}.Debug|x86.Build.0 = Debug|x86
+		{6CE74677-6889-4E18-AF1A-C933AE211AB6}.Release|x86.ActiveCfg = Release|x86
+		{6CE74677-6889-4E18-AF1A-C933AE211AB6}.Release|x86.Build.0 = Release|x86
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal