private OleDbPermission UnionOleDb(OleDbPermission target, OleDbPermission newPermission)
{
if (null == target)
{
newPermission._providerRestriction = _providerRestriction;
}
else
{
string[] theseRestrictions = _providerRestriction; // MDAC 83107
string[] thoseRestrictions = target._providerRestriction;
if (null == theseRestrictions)
{
newPermission._providerRestriction = thoseRestrictions;
}
else if (null == thoseRestrictions)
{
newPermission._providerRestriction = theseRestrictions;
}
else // union of two string[]
{
int a = theseRestrictions.Length;
int b = thoseRestrictions.Length;
string[] restrictions = new string[a + b];
theseRestrictions.CopyTo(restrictions, 0);
thoseRestrictions.CopyTo(restrictions, a);
newPermission._providerRestriction = DBConnectionString.RemoveDuplicates(restrictions);
}
}
return(newPermission);
}
private OleDbPermission(OleDbPermission permission) : base(permission) // for Copy
{
if (null != permission)
{
_providerRestriction = permission._providerRestriction;
_providers = permission._providers;
}
}
public override IPermission CreatePermission ()
{
OleDbPermission p = new OleDbPermission (this);
#if !NET_2_0
p.Provider = _provider;
#endif
return p;
}
public override IPermission CreatePermission()
{
OleDbPermission p = new OleDbPermission(this);
#if !NET_2_0
p.Provider = _provider;
#endif
return(p);
}
private OleDbPermission IntersectOleDb(OleDbPermission target, OleDbPermission newPermission)
{
string[] theseRestrictions = _providerRestriction; // MDAC 83107
string[] thoseRestrictions = target._providerRestriction;
if (null != theseRestrictions)
{
if (null != thoseRestrictions)
{
int count = theseRestrictions.Length;
string[] restriction = new string[count];
int k = 0;
for (int i = 0; i < count; ++i)
{
if (0 <= Array.BinarySearch(thoseRestrictions, theseRestrictions[i], InvariantComparer.Default))
{
restriction[k] = theseRestrictions[i];
k++;
}
}
if (0 < k)
{
if (k < count)
{
// when Provider="SQLOLEDB" and target.Provider="SQLOLEDB;SQLOLEDB.1"
string[] tmp = new string[k];
for (int i = 0; i < k; ++i)
{
tmp[i] = restriction[i];
}
newPermission._providerRestriction = tmp;
}
else
{
// when Provider="SQLOLEDB" and target.Provider="SQLOLEDB"
newPermission._providerRestriction = restriction;
}
}
else
{
// when Provider="SQLOLEDB" and target.Provider="SQLOLEDB.1"
newPermission = null;
}
}
// else {
// when Provider="SQLOLEDB" and target.Provider=""
// return a non-null object so that later IsSubset calls fail
//}
}
// else if ((null != thoseRestrictions) && (0 <= thoseRestrictions.Length)) {
// when Provider="" and target.Provider="SQLOLEDB"
// return a non-null object so that later IsSubset calls fail
//}
return(newPermission);
}
/// <include file='doc\OleDbPermission.uex' path='docs/doc[@for="OleDbPermission.Union"]/*' />
override public IPermission Union(IPermission target)
{
OleDbPermission newPermission = (OleDbPermission)base.Union(target);
if ((null != newPermission) && !newPermission.IsUnrestricted())
{
newPermission = UnionOleDb((target as OleDbPermission), newPermission);
}
return(newPermission);
}
/// <include file='doc\OleDbPermission.uex' path='docs/doc[@for="OleDbPermission.Intersect"]/*' />
override public IPermission Intersect(IPermission target) // used during Deny actions
{
OleDbPermission newPermission = (OleDbPermission)base.Intersect(target);
if ((null != newPermission) && !newPermission.IsUnrestricted())
{
newPermission = IntersectOleDb((target as OleDbPermission), newPermission);
}
return(newPermission);
}
private void Check (string msg, OleDbPermission perm, bool blank, bool unrestricted, int count)
{
Assert.AreEqual (blank, perm.AllowBlankPassword, msg + ".AllowBlankPassword");
Assert.AreEqual (unrestricted, perm.IsUnrestricted (), msg + ".IsUnrestricted");
if (count == 0)
Assert.IsNull (perm.ToXml ().Children, msg + ".Count != 0");
else
Assert.AreEqual (count, perm.ToXml ().Children.Count, msg + ".Count");
Assert.AreEqual (String.Empty, perm.Provider, "Provider");
}
public void None ()
{
OleDbPermission perm = new OleDbPermission (PermissionState.None);
Check ("None-1", perm, false, false, 0);
perm.AllowBlankPassword = true;
Check ("None-2", perm, true, false, 0);
OleDbPermission copy = (OleDbPermission)perm.Copy ();
Check ("Copy_None-1", copy, true, false, 0);
copy.AllowBlankPassword = false;
Check ("Copy_None-2", copy, false, false, 0);
}
public void None_Childs ()
{
OleDbPermission perm = new OleDbPermission (PermissionState.None);
perm.Add ("data source=localhost;", String.Empty, KeyRestrictionBehavior.AllowOnly);
perm.Add ("data source=127.0.0.1;", "password=;", KeyRestrictionBehavior.PreventUsage);
Check ("None-Childs-1", perm, false, false, 2);
perm.AllowBlankPassword = true;
Check ("None-Childs-2", perm, true, false, 2);
OleDbPermission copy = (OleDbPermission)perm.Copy ();
Check ("Copy_None-Childs-1", copy, true, false, 2);
copy.AllowBlankPassword = false;
Check ("Copy_None-Childs-2", copy, false, false, 2);
}
static internal PermissionSet CreatePermission(OleDbConnectionString constr) {
OleDbPermission p = new OleDbPermission(constr);
if (null == constr) {
p.Add(ADP.StrEmpty, ADP.StrEmpty, KeyRestrictionBehavior.AllowOnly); // ExecuteOnly permission
}
PermissionSet permission;
NamedPermissionSet fulltrust = new NamedPermissionSet("FullTrust"); // MDAC 83159
fulltrust.Assert();
try {
permission = new PermissionSet(fulltrust);
permission.AddPermission(p);
}
finally {
CodeAccessPermission.RevertAssert();
}
return permission;
}
private bool IsSubsetOfOleDb(OleDbPermission target)
{
if (null != _providerRestriction)
{
#if EMPTYFORALL
if ((null != target._providerRestriction) && (0 < target._providerRestriction.Length))
{
#else
if (null != target._providerRestriction)
{
#endif
int count = _providerRestriction.Length;
for (int i = 0; i < count; ++i)
{
if (0 > Array.BinarySearch(target._providerRestriction, _providerRestriction[i], InvariantComparer.Default))
{
// when Provider="SQLOLEDB" and target.Provider="SQLOLEDB.1"
// or when Provider="SQLOLEDB" and target.Provider="" but not when EMPTYFORALL
return(false);
}
}
// when Provider="SQLOLEDB" and target.Provider="SQLOLEDB"
// not when Provider="" and target.Provider="SQLOLEDB"
return(0 < count);
}
#if EMPTYFORALL
// when target.Provider="" or target.Provider=""
return(true);
#else
// when Provider="" or target.Provider=""
return(0 == _providerRestriction.Length);
#endif
}
// when Provider="" and target.Provider=""
// when Provider="" and target.Provider="SQLOLEDB"
return(true); // MDAC 68928
}
private OleDbPermission(OleDbPermission permission) : base(permission)
{
}
public override IPermission CreatePermission()
{
OleDbPermission p = new OleDbPermission(this);
return(p);
}
private OleDbPermission(OleDbPermission permission) : base(permission) // for Copy
{
}
public void Unrestricted ()
{
OleDbPermission perm = new OleDbPermission (PermissionState.Unrestricted);
Check ("Unrestricted-1", perm, false, true, 0);
perm.AllowBlankPassword = true;
Check ("Unrestricted-2", perm, true, true, 0);
OleDbPermission copy = (OleDbPermission)perm.Copy ();
// note: Unrestricted is always created with default values (so AllowBlankPassword is false)
Check ("Copy_Unrestricted-1", copy, false, true, 0);
copy.AllowBlankPassword = true;
Check ("Copy_Unrestricted-2", copy, true, true, 0);
}
public override IPermission CreatePermission ()
{
OleDbPermission p = new OleDbPermission (this);
return p;
}
private OleDbPermission(OleDbPermission permission) : base(permission) { // for Copy
}
public void PermissionState_Invalid ()
{
PermissionState ps = (PermissionState)Int32.MinValue;
OleDbPermission perm = new OleDbPermission (ps);
}
private OleDbPermission(OleDbPermission permission) : base(permission)
{
}
public void Provider ()
{
OleDbPermission perm = new OleDbPermission (PermissionState.None);
perm.Provider = String.Empty;
Assert.AreEqual (String.Empty, perm.Provider, "Empty");
perm.Provider = "Mono";
Assert.AreEqual ("Mono", perm.Provider, "Mono");
perm.Provider = null;
Assert.AreEqual (String.Empty, perm.Provider, "Empty(null)");
}
public void Unrestricted_Add ()
{
OleDbPermission perm = new OleDbPermission (PermissionState.Unrestricted);
Check ("Unrestricted-NoChild", perm, false, true, 0);
perm.Add ("data source=localhost;", String.Empty, KeyRestrictionBehavior.AllowOnly);
// note: Lost unrestricted state when children was added
Check ("Unrestricted-WithChild", perm, false, false, 1);
}
