mcs/class/referencesource/mscorlib/system/security/util/config.cs

   1 // ==++==
   2 //
   3 //   Copyright (c) Microsoft Corporation.  All rights reserved.
   4 //
   5 // ==--==
   6 // <OWNER>[....]</OWNER>
   7 //
   8
   9 //
  10 // Config.cs
  11 //
  12
  13 namespace System.Security.Util {
  14     using System;
  15     using System.Security.Util;
  16     using System.Security.Policy;
  17     using System.Security.Permissions;
  18     using System.Collections;
  19     using System.IO;
  20     using System.Reflection;
  21     using System.Globalization;
  22     using System.Text;
  23 #if FEATURE_SERIALIZATION
  24     using System.Runtime.Serialization.Formatters.Binary;
  25 #endif // FEATURE_SERIALIZATION
  26     using System.Threading;
  27     using System.Runtime.CompilerServices;
  28     using System.Runtime.InteropServices;
  29     using System.Runtime.Versioning;
  30
  31     // Duplicated in vm\COMSecurityConfig.h
  32 [Serializable]
  33 [Flags]
  34     internal enum QuickCacheEntryType
  35     {
  36         FullTrustZoneMyComputer = 0x1000000,
  37         FullTrustZoneIntranet = 0x2000000,
  38         FullTrustZoneInternet = 0x4000000,
  39         FullTrustZoneTrusted = 0x8000000,
  40         FullTrustZoneUntrusted = 0x10000000,
  41         FullTrustAll = 0x20000000,
  42     }
  43
  44     internal static class Config {
  45         private static volatile string m_machineConfig;
  46         private static volatile string m_userConfig;
  47
  48         [System.Security.SecurityCritical]  // auto-generated
  49         [ResourceExposure(ResourceScope.None)]
  50         [ResourceConsumption(ResourceScope.Machine, ResourceScope.Machine)]
  51         private static void GetFileLocales()
  52         {
  53             if (m_machineConfig == null)
  54             {
  55                 string machineConfig = null;
  56                 GetMachineDirectory(JitHelpers.GetStringHandleOnStack(ref machineConfig));
  57                 m_machineConfig = machineConfig;
  58             }
  59             if (m_userConfig == null)
  60             {
  61                 string userConfig = null;
  62                 GetUserDirectory(JitHelpers.GetStringHandleOnStack(ref userConfig));
  63                 m_userConfig = userConfig;
  64         }
  65         }
  66
  67         internal static string MachineDirectory
  68         {
  69             [System.Security.SecurityCritical]  // auto-generated
  70             [ResourceExposure(ResourceScope.Machine)]
  71             get
  72             {
  73                 GetFileLocales();
  74                 return m_machineConfig;
  75             }
  76         }
  77
  78         internal static string UserDirectory
  79         {
  80             [System.Security.SecurityCritical]  // auto-generated
  81             [ResourceExposure(ResourceScope.Machine)]
  82             get
  83             {
  84                 GetFileLocales();
  85                 return m_userConfig;
  86             }
  87         }
  88
  89 #if FEATURE_CAS_POLICY
  90         [System.Security.SecurityCritical]  // auto-generated
  91         [ResourceExposure(ResourceScope.Machine)]
  92         [DllImport(JitHelpers.QCall, CharSet = CharSet.Unicode), SuppressUnmanagedCodeSecurity]
  93         internal static extern int SaveDataByte(string path, [In] byte[] data, int length);
  94
  95         [System.Security.SecurityCritical]  // auto-generated
  96         [ResourceExposure(ResourceScope.None)]
  97         [DllImport(JitHelpers.QCall, CharSet = CharSet.Unicode), SuppressUnmanagedCodeSecurity]
  98         internal static extern bool RecoverData(ConfigId id);
  99
 100         [System.Security.SecurityCritical]  // auto-generated
 101         [ResourceExposure(ResourceScope.None)]
 102         [DllImport(JitHelpers.QCall, CharSet = CharSet.Unicode), SuppressUnmanagedCodeSecurity]
 103         internal static extern void SetQuickCache(ConfigId id, QuickCacheEntryType quickCacheFlags);
 104
 105         [System.Security.SecurityCritical]  // auto-generated
 106         [ResourceExposure(ResourceScope.None)]
 107         [DllImport(JitHelpers.QCall, CharSet = CharSet.Unicode), SuppressUnmanagedCodeSecurity]
 108         private static extern bool GetCacheEntry(ConfigId id, int numKey, [In] byte[] key, int keyLength, ObjectHandleOnStack retData);
 109
 110         [System.Security.SecurityCritical]  // auto-generated
 111         internal static bool GetCacheEntry(ConfigId id, int numKey, byte[] key, out byte[] data)
 112         {
 113             byte[] retData = null;
 114             bool ret = GetCacheEntry(id, numKey, key, key.Length, JitHelpers.GetObjectHandleOnStack(ref retData));
 115
 116             data = retData;
 117             return ret;
 118         }
 119
 120         [System.Security.SecurityCritical]  // auto-generated
 121         [ResourceExposure(ResourceScope.None)]
 122         [DllImport(JitHelpers.QCall, CharSet = CharSet.Unicode), SuppressUnmanagedCodeSecurity]
 123         private static extern void AddCacheEntry(ConfigId id, int numKey, [In] byte[] key, int keyLength, byte[] data, int dataLength);
 124
 125         [System.Security.SecurityCritical]  // auto-generated
 126         internal static void AddCacheEntry(ConfigId id, int numKey, byte[] key, byte[] data)
 127         {
 128             AddCacheEntry(id, numKey, key, key.Length, data, data.Length);
 129         }
 130
 131         [System.Security.SecurityCritical]  // auto-generated
 132         [ResourceExposure(ResourceScope.None)]
 133         [DllImport(JitHelpers.QCall, CharSet = CharSet.Unicode), SuppressUnmanagedCodeSecurity]
 134         internal static extern void ResetCacheData(ConfigId id);
 135 #endif
 136
 137         [System.Security.SecurityCritical]  // auto-generated
 138         [ResourceExposure(ResourceScope.Machine)]
 139         [DllImport(JitHelpers.QCall, CharSet = CharSet.Unicode), SuppressUnmanagedCodeSecurity]
 140         private static extern void GetMachineDirectory(StringHandleOnStack retDirectory);
 141
 142         [System.Security.SecurityCritical]  // auto-generated
 143         [ResourceExposure(ResourceScope.Machine)]
 144         [DllImport(JitHelpers.QCall, CharSet = CharSet.Unicode), SuppressUnmanagedCodeSecurity]
 145         private static extern void GetUserDirectory(StringHandleOnStack retDirectory);
 146
 147         [System.Security.SecurityCritical]  // auto-generated
 148         [ResourceExposure(ResourceScope.None)]
 149         [DllImport(JitHelpers.QCall, CharSet = CharSet.Unicode), SuppressUnmanagedCodeSecurity]
 150         internal static extern bool WriteToEventLog(string message);
 151     }
 152 }