1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
|
//------------------------------------------------------------------------------
// <copyright file="ProcessHostMapPath.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
namespace System.Web.Configuration {
using System.Configuration;
using System.Collections;
using System.Globalization;
using System.Runtime.InteropServices;
using System.Threading;
using System.Xml;
using System.Security;
using System.Text;
using System.Web.Util;
using System.Web.UI;
using System.IO;
using System.Web.Hosting;
using System.Runtime.ConstrainedExecution;
//
// Uses IIS 7 native config
//
internal static class ProcessHostConfigUtils {
internal const uint DEFAULT_SITE_ID_UINT = 1;
internal const string DEFAULT_SITE_ID_STRING = "1";
private static string s_defaultSiteName;
private static int s_InitedExternalConfig;
private static object s_InitedExternalConfigLock = new object();
private static NativeConfigWrapper _configWrapper;
// static class ctor
static ProcessHostConfigUtils() {
HttpRuntime.ForceStaticInit();
}
internal static void InitStandaloneConfig() {
if (!HostingEnvironment.IsUnderIISProcess && !ServerConfig.UseMetabase && s_InitedExternalConfig == 0) {
lock (s_InitedExternalConfigLock) {
if (s_InitedExternalConfig == 0) {
try {
_configWrapper = new NativeConfigWrapper();
} finally {
s_InitedExternalConfig = 1;
}
}
}
}
}
internal static string MapPathActual(string siteName, VirtualPath path) {
string physicalPath = null;
IntPtr pBstr = IntPtr.Zero;
int cBstr = 0;
try {
int result = UnsafeIISMethods.MgdMapPathDirect(IntPtr.Zero, siteName, path.VirtualPathString, out pBstr, out cBstr);
if (result < 0) {
throw new InvalidOperationException(SR.GetString(SR.Cannot_map_path, path.VirtualPathString));
}
physicalPath = (pBstr != IntPtr.Zero) ? StringUtil.StringFromWCharPtr(pBstr, cBstr) : null;
}
finally {
if (pBstr != IntPtr.Zero) {
Marshal.FreeBSTR(pBstr);
}
}
return physicalPath;
}
internal static string GetSiteNameFromId(uint siteId) {
if ( siteId == DEFAULT_SITE_ID_UINT && s_defaultSiteName != null) {
return s_defaultSiteName;
}
IntPtr pBstr = IntPtr.Zero;
int cBstr = 0;
string siteName = null;
try {
int result = UnsafeIISMethods.MgdGetSiteNameFromId(IntPtr.Zero, siteId, out pBstr, out cBstr);
siteName = (result == 0 && pBstr != IntPtr.Zero) ? StringUtil.StringFromWCharPtr(pBstr, cBstr) : String.Empty;
}
finally {
if (pBstr != IntPtr.Zero) {
Marshal.FreeBSTR(pBstr);
}
}
if ( siteId == DEFAULT_SITE_ID_UINT) {
s_defaultSiteName = siteName;
}
return siteName;
}
private class NativeConfigWrapper : CriticalFinalizerObject {
internal NativeConfigWrapper() {
int result = UnsafeIISMethods.MgdInitNativeConfig();
if (result < 0) {
s_InitedExternalConfig = 0;
throw new InvalidOperationException(SR.GetString(SR.Cant_Init_Native_Config, result.ToString("X8", CultureInfo.InvariantCulture)));
}
}
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)]
~NativeConfigWrapper() {
UnsafeIISMethods.MgdTerminateNativeConfig();
}
}
}
}
|
