本文整理汇总了C#中System.Security.CodeAccessPermission.CheckDeny方法的典型用法代码示例。如果您正苦于以下问题:C# CodeAccessPermission.CheckDeny方法的具体用法?C# CodeAccessPermission.CheckDeny怎么用?C# CodeAccessPermission.CheckDeny使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Security.CodeAccessPermission
的用法示例。
在下文中一共展示了CodeAccessPermission.CheckDeny方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: CheckDemand2
[System.Security.SecurityCritical] // auto-generated
internal bool CheckDemand2(CodeAccessPermission demand, PermissionToken permToken, RuntimeMethodHandleInternal rmh, bool fDeclarative)
{
PermissionSet permSet;
// If the demand is null, there is no need to continue
Contract.Assert(demand != null && !demand.CheckDemand(null), "Empty demands should have been filtered out by this point");
// decode imperative
if (GetPermitOnly(fDeclarative) != null)
GetPermitOnly(fDeclarative).CheckDecoded(demand, permToken);
if (GetDenials(fDeclarative) != null)
GetDenials(fDeclarative).CheckDecoded(demand, permToken);
if (GetAssertions(fDeclarative) != null)
GetAssertions(fDeclarative).CheckDecoded(demand, permToken);
// NOTE: See notes about exceptions and exception handling in FrameDescSetHelper
bool bThreadSecurity = SecurityManager._SetThreadSecurity(false);
// Check Reduction
try
{
permSet = GetPermitOnly(fDeclarative);
if (permSet != null)
{
CodeAccessPermission perm = (CodeAccessPermission)permSet.GetPermission(demand);
// If the permit only set does not contain the demanded permission, throw a security exception
if (perm == null)
{
if (!permSet.IsUnrestricted())
throw new SecurityException(String.Format(CultureInfo.InvariantCulture, Environment.GetResourceString("Security_Generic"), demand.GetType().AssemblyQualifiedName), null, permSet, SecurityRuntime.GetMethodInfo(rmh), demand, demand);
}
else
{
bool bNeedToThrow = true;
try
{
bNeedToThrow = !demand.CheckPermitOnly(perm);
}
catch (ArgumentException)
{
}
if (bNeedToThrow)
throw new SecurityException(String.Format(CultureInfo.InvariantCulture, Environment.GetResourceString("Security_Generic"), demand.GetType().AssemblyQualifiedName), null, permSet, SecurityRuntime.GetMethodInfo(rmh), demand, demand);
}
}
// Check Denials
permSet = GetDenials(fDeclarative);
if (permSet != null)
{
CodeAccessPermission perm = (CodeAccessPermission)permSet.GetPermission(demand);
// If an unrestricted set was denied and the demand implements IUnrestricted
if (permSet.IsUnrestricted())
throw new SecurityException(String.Format(CultureInfo.InvariantCulture, Environment.GetResourceString("Security_Generic"), demand.GetType().AssemblyQualifiedName), permSet, null, SecurityRuntime.GetMethodInfo(rmh), demand, demand);
// If the deny set does contain the demanded permission, throw a security exception
bool bNeedToThrow = true;
try
{
bNeedToThrow = !demand.CheckDeny(perm);
}
catch (ArgumentException)
{
}
if (bNeedToThrow)
throw new SecurityException(String.Format(CultureInfo.InvariantCulture, Environment.GetResourceString("Security_Generic"), demand.GetType().AssemblyQualifiedName), permSet, null, SecurityRuntime.GetMethodInfo(rmh), demand, demand);
}
if (GetAssertAllPossible())
{
return SecurityRuntime.StackHalt;
}
permSet = GetAssertions(fDeclarative);
// Check Assertions
if (permSet != null)
{
CodeAccessPermission perm = (CodeAccessPermission)permSet.GetPermission(demand);
// If the assert set does contain the demanded permission, halt the stackwalk
try
{
if (permSet.IsUnrestricted() || demand.CheckAssert(perm))
{
return SecurityRuntime.StackHalt;
}
}
catch (ArgumentException)
//.........这里部分代码省略.........
示例2: CheckDemand2
internal bool CheckDemand2(CodeAccessPermission demand, PermissionToken permToken, RuntimeMethodHandleInternal rmh, bool fDeclarative)
{
if (this.GetPermitOnly(fDeclarative) != null)
{
this.GetPermitOnly(fDeclarative).CheckDecoded(demand, permToken);
}
if (this.GetDenials(fDeclarative) != null)
{
this.GetDenials(fDeclarative).CheckDecoded(demand, permToken);
}
if (this.GetAssertions(fDeclarative) != null)
{
this.GetAssertions(fDeclarative).CheckDecoded(demand, permToken);
}
bool flag = SecurityManager._SetThreadSecurity(false);
try
{
PermissionSet permitOnly = this.GetPermitOnly(fDeclarative);
if (permitOnly != null)
{
CodeAccessPermission permitted = (CodeAccessPermission) permitOnly.GetPermission(demand);
if (permitted == null)
{
if (!permitOnly.IsUnrestricted())
{
throw new SecurityException(string.Format(CultureInfo.InvariantCulture, Environment.GetResourceString("Security_Generic"), new object[] { demand.GetType().AssemblyQualifiedName }), null, permitOnly, SecurityRuntime.GetMethodInfo(rmh), demand, demand);
}
}
else
{
bool flag2 = true;
try
{
flag2 = !demand.CheckPermitOnly(permitted);
}
catch (ArgumentException)
{
}
if (flag2)
{
throw new SecurityException(string.Format(CultureInfo.InvariantCulture, Environment.GetResourceString("Security_Generic"), new object[] { demand.GetType().AssemblyQualifiedName }), null, permitOnly, SecurityRuntime.GetMethodInfo(rmh), demand, demand);
}
}
}
permitOnly = this.GetDenials(fDeclarative);
if (permitOnly != null)
{
CodeAccessPermission permission = (CodeAccessPermission) permitOnly.GetPermission(demand);
if (permitOnly.IsUnrestricted())
{
throw new SecurityException(string.Format(CultureInfo.InvariantCulture, Environment.GetResourceString("Security_Generic"), new object[] { demand.GetType().AssemblyQualifiedName }), permitOnly, null, SecurityRuntime.GetMethodInfo(rmh), demand, demand);
}
bool flag3 = true;
try
{
flag3 = !demand.CheckDeny(permission);
}
catch (ArgumentException)
{
}
if (flag3)
{
throw new SecurityException(string.Format(CultureInfo.InvariantCulture, Environment.GetResourceString("Security_Generic"), new object[] { demand.GetType().AssemblyQualifiedName }), permitOnly, null, SecurityRuntime.GetMethodInfo(rmh), demand, demand);
}
}
if (this.GetAssertAllPossible())
{
return false;
}
permitOnly = this.GetAssertions(fDeclarative);
if (permitOnly != null)
{
CodeAccessPermission asserted = (CodeAccessPermission) permitOnly.GetPermission(demand);
try
{
if (permitOnly.IsUnrestricted() || demand.CheckAssert(asserted))
{
return false;
}
}
catch (ArgumentException)
{
}
}
}
finally
{
if (flag)
{
SecurityManager._SetThreadSecurity(true);
}
}
return true;
}