Code:
/ FXUpdate3074 / FXUpdate3074 / 1.1 / DEVDIV / depot / DevDiv / releases / whidbey / QFE / ndp / fx / src / xsp / System / Web / Configuration / ProcessHostServerConfig.cs / 2 / ProcessHostServerConfig.cs
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//-----------------------------------------------------------------------------
namespace System.Web.Configuration {
using System.Configuration;
using System.Collections;
using System.Globalization;
using System.Runtime.InteropServices;
using System.Xml;
using System.Text;
using System.Web.Caching;
using System.Web.Util;
using System.Web.UI;
using System.IO;
using System.Web.Hosting;
//
// Uses IIS 7 native config
//
internal sealed class ProcessHostServerConfig : IServerConfig {
static object s_initLock = new Object();
static ProcessHostServerConfig s_instance;
string _siteNameForCurrentApplication;
static internal IServerConfig GetInstance() {
if (s_instance == null) {
lock (s_initLock) {
if (s_instance == null) {
s_instance = new ProcessHostServerConfig();
}
}
}
return s_instance;
}
static ProcessHostServerConfig() {
HttpRuntime.ForceStaticInit();
}
ProcessHostServerConfig() {
if (null == HostingEnvironment.SupportFunctions) {
ProcessHostConfigUtils.InitStandaloneConfig();
}
else {
IProcessHostSupportFunctions fns = HostingEnvironment.SupportFunctions;
if (null != fns ) {
IntPtr configSystem = fns.GetNativeConfigurationSystem();
Debug.Assert(IntPtr.Zero != configSystem, "null != configSystem");
if (IntPtr.Zero != configSystem) {
// won't fail if valid pointer
// no cleanup needed, we don't own instance
UnsafeIISMethods.MgdSetNativeConfiguration(configSystem);
}
}
}
_siteNameForCurrentApplication = HostingEnvironment.SiteNameNoDemand;
if (_siteNameForCurrentApplication == null) {
_siteNameForCurrentApplication = ProcessHostConfigUtils.GetSiteNameFromId(ProcessHostConfigUtils.DEFAULT_SITE_ID_UINT);
}
}
string IServerConfig.GetSiteNameFromSiteID(string siteID) {
uint siteIDValue;
if (!UInt32.TryParse(siteID, out siteIDValue)) {
Debug.Assert(false, "siteID is not numeric");
return String.Empty;
}
return ProcessHostConfigUtils.GetSiteNameFromId(siteIDValue);
}
// if appHost is null, we use the site name for the current application
string IServerConfig.MapPath(IApplicationHost appHost, VirtualPath path) {
string siteName = (appHost == null) ? _siteNameForCurrentApplication : appHost.GetSiteName();
string physicalPath = ProcessHostConfigUtils.MapPathActual(siteName, path);
if (FileUtil.IsSuspiciousPhysicalPath(physicalPath)) {
throw new InvalidOperationException(SR.GetString(SR.Cannot_map_path, path.VirtualPathString));
}
return physicalPath;
}
string[] IServerConfig.GetVirtualSubdirs(VirtualPath path, bool inApp) {
// WOS 1956227: PERF: inactive applications on the web server degrade Working Set by 10%
// It is very expensive to get a list of subdirs not in the application if there are a lot of applications,
// so instead, use ProcessHostServerConfig.IsWithinApp to
if (inApp == false) {
throw new NotSupportedException();
}
string vpath = path.VirtualPathString;
string [] dirList = null;
int dirListCount = 0;
IntPtr pAppCollection = IntPtr.Zero;
IntPtr pBstr = IntPtr.Zero;
int cBstr = 0;
try {
int count = 0;
int result = UnsafeIISMethods.MgdGetAppCollection(_siteNameForCurrentApplication, vpath, out pBstr, out cBstr, out pAppCollection, out count);
if (result < 0 || pBstr == IntPtr.Zero) {
throw new InvalidOperationException(SR.GetString(SR.Cant_Enumerate_NativeDirs, result));
}
string appRoot = StringUtil.StringFromWCharPtr(pBstr, cBstr);
Marshal.FreeBSTR(pBstr);
pBstr = IntPtr.Zero;
cBstr = 0;
dirList = new string[count];
int lenNoTrailingSlash = vpath.Length;
if (vpath[lenNoTrailingSlash - 1] == '/') {
lenNoTrailingSlash--;
}
int lenAppRoot = appRoot.Length;
string appRootRelativePath = (lenNoTrailingSlash > lenAppRoot) ? vpath.Substring(lenAppRoot, lenNoTrailingSlash - lenAppRoot) : String.Empty;
for (uint index = 0; index < count; index++) {
result = UnsafeIISMethods.MgdGetNextVPath(pAppCollection, index, out pBstr, out cBstr);
if (result < 0 || pBstr == IntPtr.Zero) {
throw new InvalidOperationException(SR.GetString(SR.Cant_Enumerate_NativeDirs, result));
}
// if cBstr = 1, then pBstr = "/" and can be ignored
string subVdir = (cBstr > 1) ? StringUtil.StringFromWCharPtr(pBstr, cBstr) : null;
Marshal.FreeBSTR(pBstr);
pBstr = IntPtr.Zero;
cBstr = 0;
// only put the subVdir in our list if it is a subdirectory of the specified vpath
if (subVdir != null && subVdir.Length > appRootRelativePath.Length) {
if (appRootRelativePath.Length == 0) {
if (subVdir.IndexOf('/', 1) == -1) {
dirList[dirListCount++] = subVdir.Substring(1);
}
}
else if (StringUtil.EqualsIgnoreCase(appRootRelativePath, 0, subVdir, 0, appRootRelativePath.Length)) {
int nextSlashIndex = subVdir.IndexOf('/', 1 + appRootRelativePath.Length);
if (nextSlashIndex > -1) {
dirList[dirListCount++] = subVdir.Substring(appRootRelativePath.Length + 1, nextSlashIndex - appRootRelativePath.Length);
}
else {
dirList[dirListCount++] = subVdir.Substring(appRootRelativePath.Length + 1);
}
}
}
}
}
finally {
if (pAppCollection != IntPtr.Zero) {
Marshal.Release(pAppCollection);
pAppCollection = IntPtr.Zero;
}
if (pBstr != IntPtr.Zero) {
Marshal.FreeBSTR(pBstr);
pBstr = IntPtr.Zero;
}
}
string[] subdirs = null;
if (dirListCount > 0) {
subdirs = new string[dirListCount];
for (int i = 0; i < subdirs.Length; i++) {
subdirs[i] = dirList[i];
}
}
return subdirs;
}
internal bool IsWithinApp(string virtualPath) {
return UnsafeIISMethods.MgdIsWithinApp(_siteNameForCurrentApplication, HttpRuntime.AppDomainAppVirtualPathString, virtualPath);
}
bool IServerConfig.GetUncUser(IApplicationHost appHost, VirtualPath path, out string username, out string password) {
bool foundCreds = false;
username = null;
password = null;
IntPtr pBstrUserName = IntPtr.Zero;
int cBstrUserName = 0;
IntPtr pBstrPassword = IntPtr.Zero;
int cBstrPassword = 0;
try {
int result = UnsafeIISMethods.MgdGetVrPathCreds( appHost.GetSiteName(),
path.VirtualPathString,
out pBstrUserName,
out cBstrUserName,
out pBstrPassword,
out cBstrPassword);
if (result == 0) {
username = (cBstrUserName > 0) ? StringUtil.StringFromWCharPtr(pBstrUserName, cBstrUserName) : null;
password = (cBstrPassword > 0) ? StringUtil.StringFromWCharPtr(pBstrPassword, cBstrPassword) : null;
foundCreds = (!String.IsNullOrEmpty(username) && !String.IsNullOrEmpty(password));
}
}
finally {
if (pBstrUserName != IntPtr.Zero) {
Marshal.FreeBSTR(pBstrUserName);
}
if (pBstrPassword != IntPtr.Zero) {
Marshal.FreeBSTR(pBstrPassword);
}
}
return foundCreds;
}
long IServerConfig.GetW3WPMemoryLimitInKB() {
long limit = 0;
int result = UnsafeIISMethods.MgdGetMemoryLimitKB( out limit );
if (result < 0)
return 0;
return limit;
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//-----------------------------------------------------------------------------
namespace System.Web.Configuration {
using System.Configuration;
using System.Collections;
using System.Globalization;
using System.Runtime.InteropServices;
using System.Xml;
using System.Text;
using System.Web.Caching;
using System.Web.Util;
using System.Web.UI;
using System.IO;
using System.Web.Hosting;
//
// Uses IIS 7 native config
//
internal sealed class ProcessHostServerConfig : IServerConfig {
static object s_initLock = new Object();
static ProcessHostServerConfig s_instance;
string _siteNameForCurrentApplication;
static internal IServerConfig GetInstance() {
if (s_instance == null) {
lock (s_initLock) {
if (s_instance == null) {
s_instance = new ProcessHostServerConfig();
}
}
}
return s_instance;
}
static ProcessHostServerConfig() {
HttpRuntime.ForceStaticInit();
}
ProcessHostServerConfig() {
if (null == HostingEnvironment.SupportFunctions) {
ProcessHostConfigUtils.InitStandaloneConfig();
}
else {
IProcessHostSupportFunctions fns = HostingEnvironment.SupportFunctions;
if (null != fns ) {
IntPtr configSystem = fns.GetNativeConfigurationSystem();
Debug.Assert(IntPtr.Zero != configSystem, "null != configSystem");
if (IntPtr.Zero != configSystem) {
// won't fail if valid pointer
// no cleanup needed, we don't own instance
UnsafeIISMethods.MgdSetNativeConfiguration(configSystem);
}
}
}
_siteNameForCurrentApplication = HostingEnvironment.SiteNameNoDemand;
if (_siteNameForCurrentApplication == null) {
_siteNameForCurrentApplication = ProcessHostConfigUtils.GetSiteNameFromId(ProcessHostConfigUtils.DEFAULT_SITE_ID_UINT);
}
}
string IServerConfig.GetSiteNameFromSiteID(string siteID) {
uint siteIDValue;
if (!UInt32.TryParse(siteID, out siteIDValue)) {
Debug.Assert(false, "siteID is not numeric");
return String.Empty;
}
return ProcessHostConfigUtils.GetSiteNameFromId(siteIDValue);
}
// if appHost is null, we use the site name for the current application
string IServerConfig.MapPath(IApplicationHost appHost, VirtualPath path) {
string siteName = (appHost == null) ? _siteNameForCurrentApplication : appHost.GetSiteName();
string physicalPath = ProcessHostConfigUtils.MapPathActual(siteName, path);
if (FileUtil.IsSuspiciousPhysicalPath(physicalPath)) {
throw new InvalidOperationException(SR.GetString(SR.Cannot_map_path, path.VirtualPathString));
}
return physicalPath;
}
string[] IServerConfig.GetVirtualSubdirs(VirtualPath path, bool inApp) {
// WOS 1956227: PERF: inactive applications on the web server degrade Working Set by 10%
// It is very expensive to get a list of subdirs not in the application if there are a lot of applications,
// so instead, use ProcessHostServerConfig.IsWithinApp to
if (inApp == false) {
throw new NotSupportedException();
}
string vpath = path.VirtualPathString;
string [] dirList = null;
int dirListCount = 0;
IntPtr pAppCollection = IntPtr.Zero;
IntPtr pBstr = IntPtr.Zero;
int cBstr = 0;
try {
int count = 0;
int result = UnsafeIISMethods.MgdGetAppCollection(_siteNameForCurrentApplication, vpath, out pBstr, out cBstr, out pAppCollection, out count);
if (result < 0 || pBstr == IntPtr.Zero) {
throw new InvalidOperationException(SR.GetString(SR.Cant_Enumerate_NativeDirs, result));
}
string appRoot = StringUtil.StringFromWCharPtr(pBstr, cBstr);
Marshal.FreeBSTR(pBstr);
pBstr = IntPtr.Zero;
cBstr = 0;
dirList = new string[count];
int lenNoTrailingSlash = vpath.Length;
if (vpath[lenNoTrailingSlash - 1] == '/') {
lenNoTrailingSlash--;
}
int lenAppRoot = appRoot.Length;
string appRootRelativePath = (lenNoTrailingSlash > lenAppRoot) ? vpath.Substring(lenAppRoot, lenNoTrailingSlash - lenAppRoot) : String.Empty;
for (uint index = 0; index < count; index++) {
result = UnsafeIISMethods.MgdGetNextVPath(pAppCollection, index, out pBstr, out cBstr);
if (result < 0 || pBstr == IntPtr.Zero) {
throw new InvalidOperationException(SR.GetString(SR.Cant_Enumerate_NativeDirs, result));
}
// if cBstr = 1, then pBstr = "/" and can be ignored
string subVdir = (cBstr > 1) ? StringUtil.StringFromWCharPtr(pBstr, cBstr) : null;
Marshal.FreeBSTR(pBstr);
pBstr = IntPtr.Zero;
cBstr = 0;
// only put the subVdir in our list if it is a subdirectory of the specified vpath
if (subVdir != null && subVdir.Length > appRootRelativePath.Length) {
if (appRootRelativePath.Length == 0) {
if (subVdir.IndexOf('/', 1) == -1) {
dirList[dirListCount++] = subVdir.Substring(1);
}
}
else if (StringUtil.EqualsIgnoreCase(appRootRelativePath, 0, subVdir, 0, appRootRelativePath.Length)) {
int nextSlashIndex = subVdir.IndexOf('/', 1 + appRootRelativePath.Length);
if (nextSlashIndex > -1) {
dirList[dirListCount++] = subVdir.Substring(appRootRelativePath.Length + 1, nextSlashIndex - appRootRelativePath.Length);
}
else {
dirList[dirListCount++] = subVdir.Substring(appRootRelativePath.Length + 1);
}
}
}
}
}
finally {
if (pAppCollection != IntPtr.Zero) {
Marshal.Release(pAppCollection);
pAppCollection = IntPtr.Zero;
}
if (pBstr != IntPtr.Zero) {
Marshal.FreeBSTR(pBstr);
pBstr = IntPtr.Zero;
}
}
string[] subdirs = null;
if (dirListCount > 0) {
subdirs = new string[dirListCount];
for (int i = 0; i < subdirs.Length; i++) {
subdirs[i] = dirList[i];
}
}
return subdirs;
}
internal bool IsWithinApp(string virtualPath) {
return UnsafeIISMethods.MgdIsWithinApp(_siteNameForCurrentApplication, HttpRuntime.AppDomainAppVirtualPathString, virtualPath);
}
bool IServerConfig.GetUncUser(IApplicationHost appHost, VirtualPath path, out string username, out string password) {
bool foundCreds = false;
username = null;
password = null;
IntPtr pBstrUserName = IntPtr.Zero;
int cBstrUserName = 0;
IntPtr pBstrPassword = IntPtr.Zero;
int cBstrPassword = 0;
try {
int result = UnsafeIISMethods.MgdGetVrPathCreds( appHost.GetSiteName(),
path.VirtualPathString,
out pBstrUserName,
out cBstrUserName,
out pBstrPassword,
out cBstrPassword);
if (result == 0) {
username = (cBstrUserName > 0) ? StringUtil.StringFromWCharPtr(pBstrUserName, cBstrUserName) : null;
password = (cBstrPassword > 0) ? StringUtil.StringFromWCharPtr(pBstrPassword, cBstrPassword) : null;
foundCreds = (!String.IsNullOrEmpty(username) && !String.IsNullOrEmpty(password));
}
}
finally {
if (pBstrUserName != IntPtr.Zero) {
Marshal.FreeBSTR(pBstrUserName);
}
if (pBstrPassword != IntPtr.Zero) {
Marshal.FreeBSTR(pBstrPassword);
}
}
return foundCreds;
}
long IServerConfig.GetW3WPMemoryLimitInKB() {
long limit = 0;
int result = UnsafeIISMethods.MgdGetMemoryLimitKB( out limit );
if (result < 0)
return 0;
return limit;
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
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