private static IApplicationTrustManager DecodeAppTrustManager()
{
if (File.InternalExists(ApplicationSecurityManager.s_machineConfigFile))
{
string end;
using (FileStream fileStream = new FileStream(ApplicationSecurityManager.s_machineConfigFile, FileMode.Open, FileAccess.Read))
end = new StreamReader((Stream)fileStream).ReadToEnd();
SecurityElement securityElement1 = SecurityElement.FromString(end).SearchForChildByTag("mscorlib");
if (securityElement1 != null)
{
SecurityElement securityElement2 = securityElement1.SearchForChildByTag("security");
if (securityElement2 != null)
{
SecurityElement securityElement3 = securityElement2.SearchForChildByTag("policy");
if (securityElement3 != null)
{
SecurityElement securityElement4 = securityElement3.SearchForChildByTag("ApplicationSecurityManager");
if (securityElement4 != null)
{
SecurityElement elTrustManager = securityElement4.SearchForChildByTag("IApplicationTrustManager");
if (elTrustManager != null)
{
IApplicationTrustManager applicationTrustManager = ApplicationSecurityManager.DecodeAppTrustManagerFromElement(elTrustManager);
if (applicationTrustManager != null)
{
return(applicationTrustManager);
}
}
}
}
}
}
}
return(ApplicationSecurityManager.DecodeAppTrustManagerFromElement(ApplicationSecurityManager.CreateDefaultApplicationTrustManagerElement()));
}
private static IApplicationTrustManager DecodeAppTrustManager()
{
if (!File.InternalExists(s_machineConfigFile))
{
goto defaultTrustManager;
}
// A config file exists. Decode the trust manager from its Xml.
String configFileStr;
using (FileStream contents = new FileStream(s_machineConfigFile, FileMode.Open, FileAccess.Read))
{
configFileStr = new StreamReader(contents).ReadToEnd();
}
SecurityElement elRoot = SecurityElement.FromString(configFileStr);
SecurityElement elMscorlib = elRoot.SearchForChildByTag("mscorlib");
if (elMscorlib == null)
{
goto defaultTrustManager;
}
SecurityElement elSecurity = elMscorlib.SearchForChildByTag("security");
if (elSecurity == null)
{
goto defaultTrustManager;
}
SecurityElement elPolicy = elSecurity.SearchForChildByTag("policy");
if (elPolicy == null)
{
goto defaultTrustManager;
}
SecurityElement elSecurityManager = elPolicy.SearchForChildByTag("ApplicationSecurityManager");
if (elSecurityManager == null)
{
goto defaultTrustManager;
}
SecurityElement elTrustManager = elSecurityManager.SearchForChildByTag("IApplicationTrustManager");
if (elTrustManager == null)
{
goto defaultTrustManager;
}
IApplicationTrustManager appTrustManager = DecodeAppTrustManagerFromElement(elTrustManager);
if (appTrustManager == null)
{
goto defaultTrustManager;
}
return(appTrustManager);
defaultTrustManager:
return(DecodeAppTrustManagerFromElement(CreateDefaultApplicationTrustManagerElement()));
}
private void CheckFromXml(IApplicationTrustManager atm)
{
SecurityElement se = new SecurityElement("IApplicationTrustManager");
se.AddAttribute("class", defaultTrustManagerTypeName);
se.AddAttribute("version", "1");
atm.FromXml(se);
// accepted
CheckXml(atm.ToXml());
}
private static IApplicationTrustManager DecodeAppTrustManagerFromElement(SecurityElement elTrustManager)
{
new ReflectionPermission(ReflectionPermissionFlag.MemberAccess).Assert();
Type type = Type.GetType(elTrustManager.Attribute("class"), false, false);
if (type == (Type)null)
{
return((IApplicationTrustManager)null);
}
IApplicationTrustManager applicationTrustManager = Activator.CreateInstance(type) as IApplicationTrustManager;
if (applicationTrustManager != null)
{
applicationTrustManager.FromXml(elTrustManager);
}
return(applicationTrustManager);
}
private static IApplicationTrustManager DecodeAppTrustManager()
{
if (File.InternalExists(s_machineConfigFile))
{
string str;
using (FileStream stream = new FileStream(s_machineConfigFile, FileMode.Open, FileAccess.Read))
{
str = new StreamReader(stream).ReadToEnd();
}
SecurityElement element2 = SecurityElement.FromString(str).SearchForChildByTag("mscorlib");
if (element2 != null)
{
SecurityElement element3 = element2.SearchForChildByTag("security");
if (element3 != null)
{
SecurityElement element4 = element3.SearchForChildByTag("policy");
if (element4 != null)
{
SecurityElement element5 = element4.SearchForChildByTag("ApplicationSecurityManager");
if (element5 != null)
{
SecurityElement elTrustManager = element5.SearchForChildByTag("IApplicationTrustManager");
if (elTrustManager != null)
{
IApplicationTrustManager manager = DecodeAppTrustManagerFromElement(elTrustManager);
if (manager != null)
{
return(manager);
}
}
}
}
}
}
}
return(DecodeAppTrustManagerFromElement(CreateDefaultApplicationTrustManagerElement()));
}
public void CheckToXml (IApplicationTrustManager atm)
{
CheckXml (atm.ToXml ());
}
private void CheckFromXml (IApplicationTrustManager atm)
{
SecurityElement se = new SecurityElement ("IApplicationTrustManager");
se.AddAttribute ("class", defaultTrustManagerTypeName);
se.AddAttribute ("version", "1");
atm.FromXml (se);
// accepted
CheckXml (atm.ToXml ());
}
public void CheckToXml(IApplicationTrustManager atm)
{
CheckXml(atm.ToXml());
}
