Code:
/ FX-1434 / FX-1434 / 1.0 / untmp / whidbey / REDBITS / ndp / clr / src / BCL / System / Deployment / CmsUtils.cs / 3 / CmsUtils.cs
using Microsoft.Win32; using System; using System.Deployment.Internal; using System.Deployment.Internal.Isolation; using System.Deployment.Internal.Isolation.Manifest; using System.IO; using System.Globalization; using System.Runtime.Hosting; using System.Runtime.InteropServices; using System.Security.Permissions; using System.Security.Policy; using System.Text; using System.Runtime.Versioning; namespace System.Deployment.Internal.Isolation.Manifest { [SecurityPermissionAttribute(SecurityAction.Assert, Flags = SecurityPermissionFlag.UnmanagedCode)] internal static class CmsUtils { internal static void GetEntryPoint (ActivationContext activationContext, out string fileName, out string parameters) { parameters = null; fileName = null; ICMS appManifest = activationContext.ApplicationComponentManifest; if (appManifest == null || appManifest.EntryPointSection == null) throw new ArgumentException(Environment.GetResourceString("Argument_NoMain")); IEnumUnknown refEnum = (IEnumUnknown) appManifest.EntryPointSection._NewEnum; uint count = 0; Object[] entries = new Object[1]; // Look for the first entry point. ClickOnce semantic validation ensures exactly one entry point is present. if (refEnum.Next(1, entries, ref count) == 0 && count == 1) { IEntryPointEntry iref= (IEntryPointEntry) entries[0]; EntryPointEntry reference = iref.AllData; if (reference.CommandLine_File != null && reference.CommandLine_File.Length > 0) { fileName = reference.CommandLine_File; } else { // Locate the dependent assembly that is being refered to. Well-formed manifests should have an identity. IAssemblyReferenceEntry refEntry = null; object assemblyObj = null; if (reference.Identity != null) { ((ISectionWithReferenceIdentityKey)appManifest.AssemblyReferenceSection).Lookup(reference.Identity, out assemblyObj); refEntry = (IAssemblyReferenceEntry) assemblyObj; fileName = refEntry.DependentAssembly.Codebase; } } parameters = reference.CommandLine_Parameters; } } internal static IAssemblyReferenceEntry[] GetDependentAssemblies(ActivationContext activationContext) { IAssemblyReferenceEntry[] entries = null; ICMS appManifest = activationContext.ApplicationComponentManifest; if (appManifest == null) return null; ISection dependencySection = appManifest.AssemblyReferenceSection; uint count = (dependencySection != null) ? dependencySection.Count : 0; if (count > 0) { uint fetched = 0; entries = new IAssemblyReferenceEntry[count]; IEnumUnknown dependencyEnum = (IEnumUnknown)dependencySection._NewEnum; int hr = dependencyEnum.Next(count, entries, ref fetched); if (fetched != count || hr < 0) return null; // } return entries; } [ResourceExposure(ResourceScope.Machine)] [ResourceConsumption(ResourceScope.Machine)] internal static string GetEntryPointFullPath (ActivationArguments activationArguments) { return GetEntryPointFullPath(activationArguments.ActivationContext); } [ResourceExposure(ResourceScope.Machine)] [ResourceConsumption(ResourceScope.Machine)] internal static string GetEntryPointFullPath (ActivationContext activationContext) { string file, parameters; GetEntryPoint(activationContext, out file, out parameters); if (!String.IsNullOrEmpty(file)) { string directoryName = activationContext.ApplicationDirectory; if (directoryName == null || directoryName.Length == 0) { // If we were passed a relative path, assume the app base is the current working directory StringBuilder sb = new StringBuilder(Path.MAX_PATH + 1); if (Win32Native.GetCurrentDirectory(sb.Capacity, sb) == 0) System.IO.__Error.WinIOError(); directoryName = sb.ToString(); } file = Path.Combine(directoryName, file); } return file; } internal static bool CompareIdentities (ActivationContext activationContext1, ActivationContext activationContext2) { if (activationContext1 == null || activationContext2 == null) return activationContext1 == activationContext2; return IsolationInterop.AppIdAuthority.AreDefinitionsEqual(0, activationContext1.Identity.Identity, activationContext2.Identity.Identity); } internal static bool CompareIdentities (ApplicationIdentity applicationIdentity1, ApplicationIdentity applicationIdentity2, ApplicationVersionMatch versionMatch) { if (applicationIdentity1 == null || applicationIdentity2 == null) return applicationIdentity1 == applicationIdentity2; uint flags; switch (versionMatch) { case ApplicationVersionMatch.MatchExactVersion: flags = 0; break; case ApplicationVersionMatch.MatchAllVersions: flags = (uint) IAPPIDAUTHORITY_ARE_DEFINITIONS_EQUAL_FLAGS.IAPPIDAUTHORITY_ARE_DEFINITIONS_EQUAL_FLAG_IGNORE_VERSION; break; default: throw new ArgumentException(Environment.GetResourceString("Arg_EnumIllegalVal", (int)versionMatch), "versionMatch"); } return IsolationInterop.AppIdAuthority.AreDefinitionsEqual(flags, applicationIdentity1.Identity, applicationIdentity2.Identity); } internal static string GetFriendlyName (ActivationContext activationContext) { ICMS deplManifest = activationContext.DeploymentComponentManifest; IMetadataSectionEntry metadataSectionEntry = (IMetadataSectionEntry) deplManifest.MetadataSectionEntry; IDescriptionMetadataEntry descriptionMetadataEntry = metadataSectionEntry.DescriptionData; string friendlyName = String.Empty; if (descriptionMetadataEntry != null) { DescriptionMetadataEntry entry = descriptionMetadataEntry.AllData; friendlyName = (entry.Publisher != null ? String.Format("{0} {1}", entry.Publisher, entry.Product) : entry.Product); } return friendlyName; } internal static void CreateActivationContext (string fullName, string[] manifestPaths, bool useFusionActivationContext, out ApplicationIdentity applicationIdentity, out ActivationContext activationContext) { applicationIdentity = new ApplicationIdentity(fullName); activationContext = null; if (useFusionActivationContext) { if (manifestPaths != null) activationContext = new ActivationContext(applicationIdentity, manifestPaths); else activationContext = new ActivationContext(applicationIdentity); } } // // Helper method to create an application evidence used in app model activation. // There are basically 2 cases where this method is called: // a) It is called in CreateInstanceHelper. In this case, it gathers // the application evidence passed to the CreateDomainHelper call. // b) It is also called in the server domain. In that case, the domain could // be either the default domain (in which case the input evidence is null) // or a domain created via CreateDomainHelper in which case the application // evidence already contains the application identity and possibly the activation // context. // internal static Evidence MergeApplicationEvidence (Evidence evidence, ApplicationIdentity applicationIdentity, ActivationContext activationContext, string[] activationData) { return MergeApplicationEvidence(evidence, applicationIdentity, activationContext, activationData, null); } internal static Evidence MergeApplicationEvidence(Evidence evidence, ApplicationIdentity applicationIdentity, ActivationContext activationContext, string[] activationData, ApplicationTrust applicationTrust) { Evidence appEvidence = new Evidence(); ActivationArguments activationArgs = (activationContext == null ? new ActivationArguments(applicationIdentity, activationData) : new ActivationArguments(activationContext, activationData)); appEvidence = new Evidence(); appEvidence.AddHost(activationArgs); if (applicationTrust != null) appEvidence.AddHost(applicationTrust); if (activationContext != null) { Evidence asiEvidence = new ApplicationSecurityInfo(activationContext).ApplicationEvidence; if (asiEvidence != null) appEvidence.MergeWithNoDuplicates(asiEvidence); } if (evidence != null) appEvidence.MergeWithNoDuplicates(evidence); return appEvidence; } } }
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