1936 lines
64 KiB
C#
1936 lines
64 KiB
C#
using System;
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using System.Collections;
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using Org.BouncyCastle.Asn1;
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using Org.BouncyCastle.Asn1.X509;
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using Org.BouncyCastle.Utilities.Collections;
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namespace Org.BouncyCastle.Pkix
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{
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public class PkixNameConstraintValidator
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{
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private ISet excludedSubtreesDN = new HashSet();
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private ISet excludedSubtreesDNS = new HashSet();
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private ISet excludedSubtreesEmail = new HashSet();
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private ISet excludedSubtreesURI = new HashSet();
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private ISet excludedSubtreesIP = new HashSet();
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private ISet permittedSubtreesDN;
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private ISet permittedSubtreesDNS;
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private ISet permittedSubtreesEmail;
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private ISet permittedSubtreesURI;
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private ISet permittedSubtreesIP;
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public PkixNameConstraintValidator()
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{
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}
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private static bool WithinDNSubtree(
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Asn1Sequence dns,
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Asn1Sequence subtree)
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{
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if (subtree.Count < 1)
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{
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return false;
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}
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if (subtree.Count > dns.Count)
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{
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return false;
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}
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for (int j = subtree.Count - 1; j >= 0; j--)
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{
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if (!(subtree[j].Equals(dns[j])))
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{
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return false;
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}
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}
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return true;
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}
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public void CheckPermittedDN(Asn1Sequence dns)
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//throws PkixNameConstraintValidatorException
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{
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CheckPermittedDN(permittedSubtreesDN, dns);
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}
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public void CheckExcludedDN(Asn1Sequence dns)
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//throws PkixNameConstraintValidatorException
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{
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CheckExcludedDN(excludedSubtreesDN, dns);
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}
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private void CheckPermittedDN(ISet permitted, Asn1Sequence dns)
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//throws PkixNameConstraintValidatorException
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{
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if (permitted == null)
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{
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return;
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}
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if ((permitted.Count == 0) && dns.Count == 0)
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{
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return;
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}
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IEnumerator it = permitted.GetEnumerator();
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while (it.MoveNext())
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{
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Asn1Sequence subtree = (Asn1Sequence)it.Current;
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if (WithinDNSubtree(dns, subtree))
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{
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return;
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}
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}
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throw new PkixNameConstraintValidatorException(
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"Subject distinguished name is not from a permitted subtree");
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}
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private void CheckExcludedDN(ISet excluded, Asn1Sequence dns)
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//throws PkixNameConstraintValidatorException
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{
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if (excluded.IsEmpty)
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{
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return;
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}
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IEnumerator it = excluded.GetEnumerator();
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while (it.MoveNext())
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{
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Asn1Sequence subtree = (Asn1Sequence)it.Current;
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if (WithinDNSubtree(dns, subtree))
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{
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throw new PkixNameConstraintValidatorException(
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"Subject distinguished name is from an excluded subtree");
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}
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}
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}
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private ISet IntersectDN(ISet permitted, ISet dns)
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{
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ISet intersect = new HashSet();
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for (IEnumerator it = dns.GetEnumerator(); it.MoveNext(); )
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{
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Asn1Sequence dn = Asn1Sequence.GetInstance(((GeneralSubtree)it
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.Current).Base.Name.ToAsn1Object());
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if (permitted == null)
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{
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if (dn != null)
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{
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intersect.Add(dn);
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}
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}
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else
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{
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IEnumerator _iter = permitted.GetEnumerator();
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while (_iter.MoveNext())
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{
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Asn1Sequence subtree = (Asn1Sequence)_iter.Current;
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if (WithinDNSubtree(dn, subtree))
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{
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intersect.Add(dn);
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}
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else if (WithinDNSubtree(subtree, dn))
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{
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intersect.Add(subtree);
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}
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}
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}
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}
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return intersect;
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}
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private ISet UnionDN(ISet excluded, Asn1Sequence dn)
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{
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if (excluded.IsEmpty)
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{
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if (dn == null)
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{
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return excluded;
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}
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excluded.Add(dn);
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return excluded;
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}
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else
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{
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ISet intersect = new HashSet();
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IEnumerator it = excluded.GetEnumerator();
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while (it.MoveNext())
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{
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Asn1Sequence subtree = (Asn1Sequence)it.Current;
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if (WithinDNSubtree(dn, subtree))
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{
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intersect.Add(subtree);
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}
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else if (WithinDNSubtree(subtree, dn))
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{
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intersect.Add(dn);
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}
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else
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{
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intersect.Add(subtree);
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intersect.Add(dn);
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}
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}
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return intersect;
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}
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}
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private ISet IntersectEmail(ISet permitted, ISet emails)
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{
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ISet intersect = new HashSet();
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for (IEnumerator it = emails.GetEnumerator(); it.MoveNext(); )
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{
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String email = ExtractNameAsString(((GeneralSubtree)it.Current)
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.Base);
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if (permitted == null)
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{
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if (email != null)
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{
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intersect.Add(email);
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}
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}
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else
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{
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IEnumerator it2 = permitted.GetEnumerator();
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while (it2.MoveNext())
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{
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String _permitted = (String)it2.Current;
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intersectEmail(email, _permitted, intersect);
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}
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}
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}
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return intersect;
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}
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private ISet UnionEmail(ISet excluded, String email)
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{
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if (excluded.IsEmpty)
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{
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if (email == null)
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{
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return excluded;
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}
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excluded.Add(email);
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return excluded;
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}
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else
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{
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ISet union = new HashSet();
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IEnumerator it = excluded.GetEnumerator();
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while (it.MoveNext())
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{
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String _excluded = (String)it.Current;
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unionEmail(_excluded, email, union);
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}
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return union;
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}
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}
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/**
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* Returns the intersection of the permitted IP ranges in
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* <code>permitted</code> with <code>ip</code>.
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*
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* @param permitted A <code>Set</code> of permitted IP addresses with
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* their subnet mask as byte arrays.
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* @param ips The IP address with its subnet mask.
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* @return The <code>Set</code> of permitted IP ranges intersected with
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* <code>ip</code>.
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*/
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private ISet IntersectIP(ISet permitted, ISet ips)
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{
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ISet intersect = new HashSet();
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for (IEnumerator it = ips.GetEnumerator(); it.MoveNext(); )
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{
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byte[] ip = Asn1OctetString.GetInstance(
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((GeneralSubtree)it.Current).Base.Name).GetOctets();
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if (permitted == null)
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{
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if (ip != null)
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{
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intersect.Add(ip);
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}
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}
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else
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{
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IEnumerator it2 = permitted.GetEnumerator();
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while (it2.MoveNext())
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{
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byte[] _permitted = (byte[])it2.Current;
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intersect.AddAll(IntersectIPRange(_permitted, ip));
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}
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}
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}
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return intersect;
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}
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/**
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* Returns the union of the excluded IP ranges in <code>excluded</code>
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* with <code>ip</code>.
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*
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* @param excluded A <code>Set</code> of excluded IP addresses with their
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* subnet mask as byte arrays.
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* @param ip The IP address with its subnet mask.
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* @return The <code>Set</code> of excluded IP ranges unified with
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* <code>ip</code> as byte arrays.
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*/
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private ISet UnionIP(ISet excluded, byte[] ip)
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{
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if (excluded.IsEmpty)
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{
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if (ip == null)
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{
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return excluded;
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}
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excluded.Add(ip);
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return excluded;
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}
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else
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{
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ISet union = new HashSet();
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IEnumerator it = excluded.GetEnumerator();
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while (it.MoveNext())
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{
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byte[] _excluded = (byte[])it.Current;
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union.AddAll(UnionIPRange(_excluded, ip));
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}
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return union;
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}
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}
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/**
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* Calculates the union if two IP ranges.
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*
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* @param ipWithSubmask1 The first IP address with its subnet mask.
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* @param ipWithSubmask2 The second IP address with its subnet mask.
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* @return A <code>Set</code> with the union of both addresses.
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*/
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private ISet UnionIPRange(byte[] ipWithSubmask1, byte[] ipWithSubmask2)
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{
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ISet set = new HashSet();
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// difficult, adding always all IPs is not wrong
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if (Org.BouncyCastle.Utilities.Arrays.AreEqual(ipWithSubmask1, ipWithSubmask2))
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{
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set.Add(ipWithSubmask1);
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}
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else
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{
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set.Add(ipWithSubmask1);
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set.Add(ipWithSubmask2);
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}
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return set;
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}
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/**
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* Calculates the interesction if two IP ranges.
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*
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* @param ipWithSubmask1 The first IP address with its subnet mask.
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* @param ipWithSubmask2 The second IP address with its subnet mask.
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* @return A <code>Set</code> with the single IP address with its subnet
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* mask as a byte array or an empty <code>Set</code>.
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*/
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private ISet IntersectIPRange(byte[] ipWithSubmask1, byte[] ipWithSubmask2)
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{
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if (ipWithSubmask1.Length != ipWithSubmask2.Length)
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{
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//Collections.EMPTY_SET;
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return new HashSet();
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}
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byte[][] temp = ExtractIPsAndSubnetMasks(ipWithSubmask1, ipWithSubmask2);
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byte[] ip1 = temp[0];
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byte[] subnetmask1 = temp[1];
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byte[] ip2 = temp[2];
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byte[] subnetmask2 = temp[3];
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byte[][] minMax = MinMaxIPs(ip1, subnetmask1, ip2, subnetmask2);
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byte[] min;
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byte[] max;
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max = Min(minMax[1], minMax[3]);
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min = Max(minMax[0], minMax[2]);
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// minimum IP address must be bigger than max
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if (CompareTo(min, max) == 1)
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{
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//return Collections.EMPTY_SET;
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return new HashSet();
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}
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// OR keeps all significant bits
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byte[] ip = Or(minMax[0], minMax[2]);
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byte[] subnetmask = Or(subnetmask1, subnetmask2);
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//return new HashSet( ICollectionsingleton(IpWithSubnetMask(ip, subnetmask));
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ISet hs = new HashSet();
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hs.Add(IpWithSubnetMask(ip, subnetmask));
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return hs;
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}
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/**
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* Concatenates the IP address with its subnet mask.
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*
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* @param ip The IP address.
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* @param subnetMask Its subnet mask.
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* @return The concatenated IP address with its subnet mask.
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*/
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private byte[] IpWithSubnetMask(byte[] ip, byte[] subnetMask)
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{
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int ipLength = ip.Length;
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byte[] temp = new byte[ipLength * 2];
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Array.Copy(ip, 0, temp, 0, ipLength);
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Array.Copy(subnetMask, 0, temp, ipLength, ipLength);
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return temp;
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}
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/**
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* Splits the IP addresses and their subnet mask.
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*
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* @param ipWithSubmask1 The first IP address with the subnet mask.
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* @param ipWithSubmask2 The second IP address with the subnet mask.
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* @return An array with two elements. Each element contains the IP address
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* and the subnet mask in this order.
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*/
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private byte[][] ExtractIPsAndSubnetMasks(
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byte[] ipWithSubmask1,
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byte[] ipWithSubmask2)
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{
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int ipLength = ipWithSubmask1.Length / 2;
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byte[] ip1 = new byte[ipLength];
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byte[] subnetmask1 = new byte[ipLength];
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Array.Copy(ipWithSubmask1, 0, ip1, 0, ipLength);
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Array.Copy(ipWithSubmask1, ipLength, subnetmask1, 0, ipLength);
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byte[] ip2 = new byte[ipLength];
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byte[] subnetmask2 = new byte[ipLength];
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Array.Copy(ipWithSubmask2, 0, ip2, 0, ipLength);
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Array.Copy(ipWithSubmask2, ipLength, subnetmask2, 0, ipLength);
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return new byte[][]
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{ip1, subnetmask1, ip2, subnetmask2};
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}
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/**
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* Based on the two IP addresses and their subnet masks the IP range is
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* computed for each IP address - subnet mask pair and returned as the
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* minimum IP address and the maximum address of the range.
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*
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* @param ip1 The first IP address.
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* @param subnetmask1 The subnet mask of the first IP address.
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* @param ip2 The second IP address.
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* @param subnetmask2 The subnet mask of the second IP address.
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* @return A array with two elements. The first/second element contains the
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* min and max IP address of the first/second IP address and its
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* subnet mask.
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*/
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private byte[][] MinMaxIPs(
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byte[] ip1,
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byte[] subnetmask1,
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byte[] ip2,
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byte[] subnetmask2)
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{
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int ipLength = ip1.Length;
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byte[] min1 = new byte[ipLength];
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byte[] max1 = new byte[ipLength];
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byte[] min2 = new byte[ipLength];
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byte[] max2 = new byte[ipLength];
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for (int i = 0; i < ipLength; i++)
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{
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min1[i] = (byte)(ip1[i] & subnetmask1[i]);
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max1[i] = (byte)(ip1[i] & subnetmask1[i] | ~subnetmask1[i]);
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min2[i] = (byte)(ip2[i] & subnetmask2[i]);
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max2[i] = (byte)(ip2[i] & subnetmask2[i] | ~subnetmask2[i]);
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}
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return new byte[][] { min1, max1, min2, max2 };
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}
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private void CheckPermittedEmail(ISet permitted, String email)
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//throws PkixNameConstraintValidatorException
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{
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if (permitted == null)
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{
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return;
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}
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IEnumerator it = permitted.GetEnumerator();
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while (it.MoveNext())
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{
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String str = ((String)it.Current);
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if (EmailIsConstrained(email, str))
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{
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return;
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}
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}
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if (email.Length == 0 && permitted.Count == 0)
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{
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return;
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}
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throw new PkixNameConstraintValidatorException(
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"Subject email address is not from a permitted subtree.");
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}
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private void CheckExcludedEmail(ISet excluded, String email)
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//throws PkixNameConstraintValidatorException
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{
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if (excluded.IsEmpty)
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{
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return;
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}
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IEnumerator it = excluded.GetEnumerator();
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while (it.MoveNext())
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{
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String str = (String)it.Current;
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if (EmailIsConstrained(email, str))
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{
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throw new PkixNameConstraintValidatorException(
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"Email address is from an excluded subtree.");
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}
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}
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}
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/**
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* Checks if the IP <code>ip</code> is included in the permitted ISet
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* <code>permitted</code>.
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*
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* @param permitted A <code>Set</code> of permitted IP addresses with
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* their subnet mask as byte arrays.
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* @param ip The IP address.
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* @throws PkixNameConstraintValidatorException
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* if the IP is not permitted.
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*/
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private void CheckPermittedIP(ISet permitted, byte[] ip)
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//throws PkixNameConstraintValidatorException
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{
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if (permitted == null)
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{
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return;
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}
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IEnumerator it = permitted.GetEnumerator();
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while (it.MoveNext())
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{
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byte[] ipWithSubnet = (byte[])it.Current;
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if (IsIPConstrained(ip, ipWithSubnet))
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{
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return;
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}
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}
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if (ip.Length == 0 && permitted.Count == 0)
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{
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return;
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}
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throw new PkixNameConstraintValidatorException(
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"IP is not from a permitted subtree.");
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}
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/**
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* Checks if the IP <code>ip</code> is included in the excluded ISet
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* <code>excluded</code>.
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*
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* @param excluded A <code>Set</code> of excluded IP addresses with their
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* subnet mask as byte arrays.
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* @param ip The IP address.
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* @throws PkixNameConstraintValidatorException
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* if the IP is excluded.
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*/
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private void checkExcludedIP(ISet excluded, byte[] ip)
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//throws PkixNameConstraintValidatorException
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{
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if (excluded.IsEmpty)
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{
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return;
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}
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IEnumerator it = excluded.GetEnumerator();
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|
|
while (it.MoveNext())
|
|
{
|
|
byte[] ipWithSubnet = (byte[])it.Current;
|
|
|
|
if (IsIPConstrained(ip, ipWithSubnet))
|
|
{
|
|
throw new PkixNameConstraintValidatorException(
|
|
"IP is from an excluded subtree.");
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Checks if the IP address <code>ip</code> is constrained by
|
|
* <code>constraint</code>.
|
|
*
|
|
* @param ip The IP address.
|
|
* @param constraint The constraint. This is an IP address concatenated with
|
|
* its subnetmask.
|
|
* @return <code>true</code> if constrained, <code>false</code>
|
|
* otherwise.
|
|
*/
|
|
private bool IsIPConstrained(byte[] ip, byte[] constraint)
|
|
{
|
|
int ipLength = ip.Length;
|
|
|
|
if (ipLength != (constraint.Length / 2))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
byte[] subnetMask = new byte[ipLength];
|
|
Array.Copy(constraint, ipLength, subnetMask, 0, ipLength);
|
|
|
|
byte[] permittedSubnetAddress = new byte[ipLength];
|
|
|
|
byte[] ipSubnetAddress = new byte[ipLength];
|
|
|
|
// the resulting IP address by applying the subnet mask
|
|
for (int i = 0; i < ipLength; i++)
|
|
{
|
|
permittedSubnetAddress[i] = (byte)(constraint[i] & subnetMask[i]);
|
|
ipSubnetAddress[i] = (byte)(ip[i] & subnetMask[i]);
|
|
}
|
|
|
|
return Org.BouncyCastle.Utilities.Arrays.AreEqual(permittedSubnetAddress, ipSubnetAddress);
|
|
}
|
|
|
|
private bool EmailIsConstrained(String email, String constraint)
|
|
{
|
|
String sub = email.Substring(email.IndexOf('@') + 1);
|
|
// a particular mailbox
|
|
if (constraint.IndexOf('@') != -1)
|
|
{
|
|
if (email.ToUpper().Equals(constraint.ToUpper()))
|
|
{
|
|
return true;
|
|
}
|
|
}
|
|
// on particular host
|
|
else if (!(constraint[0].Equals('.')))
|
|
{
|
|
if (sub.ToUpper().Equals(constraint.ToUpper()))
|
|
{
|
|
return true;
|
|
}
|
|
}
|
|
// address in sub domain
|
|
else if (WithinDomain(sub, constraint))
|
|
{
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
private bool WithinDomain(String testDomain, String domain)
|
|
{
|
|
String tempDomain = domain;
|
|
if (tempDomain.StartsWith("."))
|
|
{
|
|
tempDomain = tempDomain.Substring(1);
|
|
}
|
|
String[] domainParts = tempDomain.Split('.'); // Strings.split(tempDomain, '.');
|
|
String[] testDomainParts = testDomain.Split('.'); // Strings.split(testDomain, '.');
|
|
|
|
// must have at least one subdomain
|
|
if (testDomainParts.Length <= domainParts.Length)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
int d = testDomainParts.Length - domainParts.Length;
|
|
for (int i = -1; i < domainParts.Length; i++)
|
|
{
|
|
if (i == -1)
|
|
{
|
|
if (testDomainParts[i + d].Equals(""))
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
else if (!(String.Compare(testDomainParts[i + d], domainParts[i], true)==0))
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
private void CheckPermittedDNS(ISet permitted, String dns)
|
|
//throws PkixNameConstraintValidatorException
|
|
{
|
|
if (permitted == null)
|
|
{
|
|
return;
|
|
}
|
|
|
|
IEnumerator it = permitted.GetEnumerator();
|
|
|
|
while (it.MoveNext())
|
|
{
|
|
String str = ((String)it.Current);
|
|
|
|
// is sub domain
|
|
if (WithinDomain(dns, str) || dns.ToUpper().Equals(str.ToUpper()))
|
|
{
|
|
return;
|
|
}
|
|
}
|
|
if (dns.Length == 0 && permitted.Count == 0)
|
|
{
|
|
return;
|
|
}
|
|
throw new PkixNameConstraintValidatorException(
|
|
"DNS is not from a permitted subtree.");
|
|
}
|
|
|
|
private void checkExcludedDNS(ISet excluded, String dns)
|
|
// throws PkixNameConstraintValidatorException
|
|
{
|
|
if (excluded.IsEmpty)
|
|
{
|
|
return;
|
|
}
|
|
|
|
IEnumerator it = excluded.GetEnumerator();
|
|
|
|
while (it.MoveNext())
|
|
{
|
|
String str = ((String)it.Current);
|
|
|
|
// is sub domain or the same
|
|
if (WithinDomain(dns, str) || (String.Compare(dns,str,true) == 0))
|
|
{
|
|
throw new PkixNameConstraintValidatorException(
|
|
"DNS is from an excluded subtree.");
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* The common part of <code>email1</code> and <code>email2</code> is
|
|
* added to the union <code>union</code>. If <code>email1</code> and
|
|
* <code>email2</code> have nothing in common they are added both.
|
|
*
|
|
* @param email1 Email address constraint 1.
|
|
* @param email2 Email address constraint 2.
|
|
* @param union The union.
|
|
*/
|
|
private void unionEmail(String email1, String email2, ISet union)
|
|
{
|
|
// email1 is a particular address
|
|
if (email1.IndexOf('@') != -1)
|
|
{
|
|
String _sub = email1.Substring(email1.IndexOf('@') + 1);
|
|
// both are a particular mailbox
|
|
if (email2.IndexOf('@') != -1)
|
|
{
|
|
if (String.Compare(email1, email2, true) == 0)
|
|
{
|
|
union.Add(email1);
|
|
}
|
|
else
|
|
{
|
|
union.Add(email1);
|
|
union.Add(email2);
|
|
}
|
|
}
|
|
// email2 specifies a domain
|
|
else if (email2.StartsWith("."))
|
|
{
|
|
if (WithinDomain(_sub, email2))
|
|
{
|
|
union.Add(email2);
|
|
}
|
|
else
|
|
{
|
|
union.Add(email1);
|
|
union.Add(email2);
|
|
}
|
|
}
|
|
// email2 specifies a particular host
|
|
else
|
|
{
|
|
if (String.Compare(_sub, email2, true)==0)
|
|
{
|
|
union.Add(email2);
|
|
}
|
|
else
|
|
{
|
|
union.Add(email1);
|
|
union.Add(email2);
|
|
}
|
|
}
|
|
}
|
|
// email1 specifies a domain
|
|
else if (email1.StartsWith("."))
|
|
{
|
|
if (email2.IndexOf('@') != -1)
|
|
{
|
|
String _sub = email2.Substring(email1.IndexOf('@') + 1);
|
|
if (WithinDomain(_sub, email1))
|
|
{
|
|
union.Add(email1);
|
|
}
|
|
else
|
|
{
|
|
union.Add(email1);
|
|
union.Add(email2);
|
|
}
|
|
}
|
|
// email2 specifies a domain
|
|
else if (email2.StartsWith("."))
|
|
{
|
|
if (WithinDomain(email1, email2)
|
|
|| String.Compare(email1, email2, true) == 0)
|
|
{
|
|
union.Add(email2);
|
|
}
|
|
else if (WithinDomain(email2, email1))
|
|
{
|
|
union.Add(email1);
|
|
}
|
|
else
|
|
{
|
|
union.Add(email1);
|
|
union.Add(email2);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (WithinDomain(email2, email1))
|
|
{
|
|
union.Add(email1);
|
|
}
|
|
else
|
|
{
|
|
union.Add(email1);
|
|
union.Add(email2);
|
|
}
|
|
}
|
|
}
|
|
// email specifies a host
|
|
else
|
|
{
|
|
if (email2.IndexOf('@') != -1)
|
|
{
|
|
String _sub = email2.Substring(email1.IndexOf('@') + 1);
|
|
if (String.Compare(_sub, email1, true) == 0)
|
|
{
|
|
union.Add(email1);
|
|
}
|
|
else
|
|
{
|
|
union.Add(email1);
|
|
union.Add(email2);
|
|
}
|
|
}
|
|
// email2 specifies a domain
|
|
else if (email2.StartsWith("."))
|
|
{
|
|
if (WithinDomain(email1, email2))
|
|
{
|
|
union.Add(email2);
|
|
}
|
|
else
|
|
{
|
|
union.Add(email1);
|
|
union.Add(email2);
|
|
}
|
|
}
|
|
// email2 specifies a particular host
|
|
else
|
|
{
|
|
if (String.Compare(email1, email2, true) == 0)
|
|
{
|
|
union.Add(email1);
|
|
}
|
|
else
|
|
{
|
|
union.Add(email1);
|
|
union.Add(email2);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
private void unionURI(String email1, String email2, ISet union)
|
|
{
|
|
// email1 is a particular address
|
|
if (email1.IndexOf('@') != -1)
|
|
{
|
|
String _sub = email1.Substring(email1.IndexOf('@') + 1);
|
|
// both are a particular mailbox
|
|
if (email2.IndexOf('@') != -1)
|
|
{
|
|
if (String.Compare(email1, email2, true) ==0)
|
|
{
|
|
union.Add(email1);
|
|
}
|
|
else
|
|
{
|
|
union.Add(email1);
|
|
union.Add(email2);
|
|
}
|
|
}
|
|
// email2 specifies a domain
|
|
else if (email2.StartsWith("."))
|
|
{
|
|
if (WithinDomain(_sub, email2))
|
|
{
|
|
union.Add(email2);
|
|
}
|
|
else
|
|
{
|
|
union.Add(email1);
|
|
union.Add(email2);
|
|
}
|
|
}
|
|
// email2 specifies a particular host
|
|
else
|
|
{
|
|
if (String.Compare(_sub, email2, true)==0)
|
|
{
|
|
union.Add(email2);
|
|
}
|
|
else
|
|
{
|
|
union.Add(email1);
|
|
union.Add(email2);
|
|
|
|
}
|
|
}
|
|
}
|
|
// email1 specifies a domain
|
|
else if (email1.StartsWith("."))
|
|
{
|
|
if (email2.IndexOf('@') != -1)
|
|
{
|
|
String _sub = email2.Substring(email1.IndexOf('@') + 1);
|
|
if (WithinDomain(_sub, email1))
|
|
{
|
|
union.Add(email1);
|
|
}
|
|
else
|
|
{
|
|
union.Add(email1);
|
|
union.Add(email2);
|
|
}
|
|
}
|
|
// email2 specifies a domain
|
|
else if (email2.StartsWith("."))
|
|
{
|
|
if (WithinDomain(email1, email2)
|
|
|| String.Compare(email1, email2, true) == 0)
|
|
{
|
|
union.Add(email2);
|
|
}
|
|
else if (WithinDomain(email2, email1))
|
|
{
|
|
union.Add(email1);
|
|
}
|
|
else
|
|
{
|
|
union.Add(email1);
|
|
union.Add(email2);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (WithinDomain(email2, email1))
|
|
{
|
|
union.Add(email1);
|
|
}
|
|
else
|
|
{
|
|
union.Add(email1);
|
|
union.Add(email2);
|
|
}
|
|
}
|
|
}
|
|
// email specifies a host
|
|
else
|
|
{
|
|
if (email2.IndexOf('@') != -1)
|
|
{
|
|
String _sub = email2.Substring(email1.IndexOf('@') + 1);
|
|
if (String.Compare(_sub, email1, true)==0)
|
|
{
|
|
union.Add(email1);
|
|
}
|
|
else
|
|
{
|
|
union.Add(email1);
|
|
union.Add(email2);
|
|
}
|
|
}
|
|
// email2 specifies a domain
|
|
else if (email2.StartsWith("."))
|
|
{
|
|
if (WithinDomain(email1, email2))
|
|
{
|
|
union.Add(email2);
|
|
}
|
|
else
|
|
{
|
|
union.Add(email1);
|
|
union.Add(email2);
|
|
}
|
|
}
|
|
// email2 specifies a particular host
|
|
else
|
|
{
|
|
if (String.Compare(email1, email2, true)==0)
|
|
{
|
|
union.Add(email1);
|
|
}
|
|
else
|
|
{
|
|
union.Add(email1);
|
|
union.Add(email2);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
private ISet intersectDNS(ISet permitted, ISet dnss)
|
|
{
|
|
ISet intersect = new HashSet();
|
|
for (IEnumerator it = dnss.GetEnumerator(); it.MoveNext(); )
|
|
{
|
|
String dns = ExtractNameAsString(((GeneralSubtree)it.Current)
|
|
.Base);
|
|
if (permitted == null)
|
|
{
|
|
if (dns != null)
|
|
{
|
|
intersect.Add(dns);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
IEnumerator _iter = permitted.GetEnumerator();
|
|
while (_iter.MoveNext())
|
|
{
|
|
String _permitted = (String)_iter.Current;
|
|
|
|
if (WithinDomain(_permitted, dns))
|
|
{
|
|
intersect.Add(_permitted);
|
|
}
|
|
else if (WithinDomain(dns, _permitted))
|
|
{
|
|
intersect.Add(dns);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return intersect;
|
|
}
|
|
|
|
protected ISet unionDNS(ISet excluded, String dns)
|
|
{
|
|
if (excluded.IsEmpty)
|
|
{
|
|
if (dns == null)
|
|
{
|
|
return excluded;
|
|
}
|
|
excluded.Add(dns);
|
|
|
|
return excluded;
|
|
}
|
|
else
|
|
{
|
|
ISet union = new HashSet();
|
|
|
|
IEnumerator _iter = excluded.GetEnumerator();
|
|
while (_iter.MoveNext())
|
|
{
|
|
String _permitted = (String)_iter.Current;
|
|
|
|
if (WithinDomain(_permitted, dns))
|
|
{
|
|
union.Add(dns);
|
|
}
|
|
else if (WithinDomain(dns, _permitted))
|
|
{
|
|
union.Add(_permitted);
|
|
}
|
|
else
|
|
{
|
|
union.Add(_permitted);
|
|
union.Add(dns);
|
|
}
|
|
}
|
|
|
|
return union;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* The most restricting part from <code>email1</code> and
|
|
* <code>email2</code> is added to the intersection <code>intersect</code>.
|
|
*
|
|
* @param email1 Email address constraint 1.
|
|
* @param email2 Email address constraint 2.
|
|
* @param intersect The intersection.
|
|
*/
|
|
private void intersectEmail(String email1, String email2, ISet intersect)
|
|
{
|
|
// email1 is a particular address
|
|
if (email1.IndexOf('@') != -1)
|
|
{
|
|
String _sub = email1.Substring(email1.IndexOf('@') + 1);
|
|
// both are a particular mailbox
|
|
if (email2.IndexOf('@') != -1)
|
|
{
|
|
if (String.Compare(email1, email2, true) == 0)
|
|
{
|
|
intersect.Add(email1);
|
|
}
|
|
}
|
|
// email2 specifies a domain
|
|
else if (email2.StartsWith("."))
|
|
{
|
|
if (WithinDomain(_sub, email2))
|
|
{
|
|
intersect.Add(email1);
|
|
}
|
|
}
|
|
// email2 specifies a particular host
|
|
else
|
|
{
|
|
if (String.Compare(_sub, email2, true) == 0)
|
|
{
|
|
intersect.Add(email1);
|
|
}
|
|
}
|
|
}
|
|
// email specifies a domain
|
|
else if (email1.StartsWith("."))
|
|
{
|
|
if (email2.IndexOf('@') != -1)
|
|
{
|
|
String _sub = email2.Substring(email1.IndexOf('@') + 1);
|
|
if (WithinDomain(_sub, email1))
|
|
{
|
|
intersect.Add(email2);
|
|
}
|
|
}
|
|
// email2 specifies a domain
|
|
else if (email2.StartsWith("."))
|
|
{
|
|
if (WithinDomain(email1, email2)
|
|
|| (String.Compare(email1, email2, true) == 0))
|
|
{
|
|
intersect.Add(email1);
|
|
}
|
|
else if (WithinDomain(email2, email1))
|
|
{
|
|
intersect.Add(email2);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (WithinDomain(email2, email1))
|
|
{
|
|
intersect.Add(email2);
|
|
}
|
|
}
|
|
}
|
|
// email1 specifies a host
|
|
else
|
|
{
|
|
if (email2.IndexOf('@') != -1)
|
|
{
|
|
String _sub = email2.Substring(email2.IndexOf('@') + 1);
|
|
if (String.Compare(_sub, email1, true) == 0)
|
|
{
|
|
intersect.Add(email2);
|
|
}
|
|
}
|
|
// email2 specifies a domain
|
|
else if (email2.StartsWith("."))
|
|
{
|
|
if (WithinDomain(email1, email2))
|
|
{
|
|
intersect.Add(email1);
|
|
}
|
|
}
|
|
// email2 specifies a particular host
|
|
else
|
|
{
|
|
if (String.Compare(email1, email2, true) == 0)
|
|
{
|
|
intersect.Add(email1);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
private void checkExcludedURI(ISet excluded, String uri)
|
|
// throws PkixNameConstraintValidatorException
|
|
{
|
|
if (excluded.IsEmpty)
|
|
{
|
|
return;
|
|
}
|
|
|
|
IEnumerator it = excluded.GetEnumerator();
|
|
|
|
while (it.MoveNext())
|
|
{
|
|
String str = ((String)it.Current);
|
|
|
|
if (IsUriConstrained(uri, str))
|
|
{
|
|
throw new PkixNameConstraintValidatorException(
|
|
"URI is from an excluded subtree.");
|
|
}
|
|
}
|
|
}
|
|
|
|
private ISet intersectURI(ISet permitted, ISet uris)
|
|
{
|
|
ISet intersect = new HashSet();
|
|
for (IEnumerator it = uris.GetEnumerator(); it.MoveNext(); )
|
|
{
|
|
String uri = ExtractNameAsString(((GeneralSubtree)it.Current)
|
|
.Base);
|
|
if (permitted == null)
|
|
{
|
|
if (uri != null)
|
|
{
|
|
intersect.Add(uri);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
IEnumerator _iter = permitted.GetEnumerator();
|
|
while (_iter.MoveNext())
|
|
{
|
|
String _permitted = (String)_iter.Current;
|
|
intersectURI(_permitted, uri, intersect);
|
|
}
|
|
}
|
|
}
|
|
return intersect;
|
|
}
|
|
|
|
private ISet unionURI(ISet excluded, String uri)
|
|
{
|
|
if (excluded.IsEmpty)
|
|
{
|
|
if (uri == null)
|
|
{
|
|
return excluded;
|
|
}
|
|
excluded.Add(uri);
|
|
|
|
return excluded;
|
|
}
|
|
else
|
|
{
|
|
ISet union = new HashSet();
|
|
|
|
IEnumerator _iter = excluded.GetEnumerator();
|
|
while (_iter.MoveNext())
|
|
{
|
|
String _excluded = (String)_iter.Current;
|
|
|
|
unionURI(_excluded, uri, union);
|
|
}
|
|
|
|
return union;
|
|
}
|
|
}
|
|
|
|
private void intersectURI(String email1, String email2, ISet intersect)
|
|
{
|
|
// email1 is a particular address
|
|
if (email1.IndexOf('@') != -1)
|
|
{
|
|
String _sub = email1.Substring(email1.IndexOf('@') + 1);
|
|
// both are a particular mailbox
|
|
if (email2.IndexOf('@') != -1)
|
|
{
|
|
if (String.Compare(email1, email2, true) == 0)
|
|
{
|
|
intersect.Add(email1);
|
|
}
|
|
}
|
|
// email2 specifies a domain
|
|
else if (email2.StartsWith("."))
|
|
{
|
|
if (WithinDomain(_sub, email2))
|
|
{
|
|
intersect.Add(email1);
|
|
}
|
|
}
|
|
// email2 specifies a particular host
|
|
else
|
|
{
|
|
if (String.Compare(_sub, email2, true) == 0)
|
|
{
|
|
intersect.Add(email1);
|
|
}
|
|
}
|
|
}
|
|
// email specifies a domain
|
|
else if (email1.StartsWith("."))
|
|
{
|
|
if (email2.IndexOf('@') != -1)
|
|
{
|
|
String _sub = email2.Substring(email1.IndexOf('@') + 1);
|
|
if (WithinDomain(_sub, email1))
|
|
{
|
|
intersect.Add(email2);
|
|
}
|
|
}
|
|
// email2 specifies a domain
|
|
else if (email2.StartsWith("."))
|
|
{
|
|
if (WithinDomain(email1, email2)
|
|
|| (String.Compare(email1, email2, true) == 0))
|
|
{
|
|
intersect.Add(email1);
|
|
}
|
|
else if (WithinDomain(email2, email1))
|
|
{
|
|
intersect.Add(email2);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (WithinDomain(email2, email1))
|
|
{
|
|
intersect.Add(email2);
|
|
}
|
|
}
|
|
}
|
|
// email1 specifies a host
|
|
else
|
|
{
|
|
if (email2.IndexOf('@') != -1)
|
|
{
|
|
String _sub = email2.Substring(email2.IndexOf('@') + 1);
|
|
if (String.Compare(_sub, email1, true) == 0)
|
|
{
|
|
intersect.Add(email2);
|
|
}
|
|
}
|
|
// email2 specifies a domain
|
|
else if (email2.StartsWith("."))
|
|
{
|
|
if (WithinDomain(email1, email2))
|
|
{
|
|
intersect.Add(email1);
|
|
}
|
|
}
|
|
// email2 specifies a particular host
|
|
else
|
|
{
|
|
if (String.Compare(email1, email2, true) == 0)
|
|
{
|
|
intersect.Add(email1);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
private void CheckPermittedURI(ISet permitted, String uri)
|
|
// throws PkixNameConstraintValidatorException
|
|
{
|
|
if (permitted == null)
|
|
{
|
|
return;
|
|
}
|
|
|
|
IEnumerator it = permitted.GetEnumerator();
|
|
|
|
while (it.MoveNext())
|
|
{
|
|
String str = ((String)it.Current);
|
|
|
|
if (IsUriConstrained(uri, str))
|
|
{
|
|
return;
|
|
}
|
|
}
|
|
if (uri.Length == 0 && permitted.Count == 0)
|
|
{
|
|
return;
|
|
}
|
|
throw new PkixNameConstraintValidatorException(
|
|
"URI is not from a permitted subtree.");
|
|
}
|
|
|
|
private bool IsUriConstrained(String uri, String constraint)
|
|
{
|
|
String host = ExtractHostFromURL(uri);
|
|
// a host
|
|
if (!constraint.StartsWith("."))
|
|
{
|
|
if (String.Compare(host, constraint, true) == 0)
|
|
{
|
|
return true;
|
|
}
|
|
}
|
|
|
|
// in sub domain or domain
|
|
else if (WithinDomain(host, constraint))
|
|
{
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
private static String ExtractHostFromURL(String url)
|
|
{
|
|
// see RFC 1738
|
|
// remove ':' after protocol, e.g. http:
|
|
String sub = url.Substring(url.IndexOf(':') + 1);
|
|
// extract host from Common Internet Scheme Syntax, e.g. http://
|
|
if (sub.IndexOf("//") != -1)
|
|
{
|
|
sub = sub.Substring(sub.IndexOf("//") + 2);
|
|
}
|
|
// first remove port, e.g. http://test.com:21
|
|
if (sub.LastIndexOf(':') != -1)
|
|
{
|
|
sub = sub.Substring(0, sub.LastIndexOf(':'));
|
|
}
|
|
// remove user and password, e.g. http://john:password@test.com
|
|
sub = sub.Substring(sub.IndexOf(':') + 1);
|
|
sub = sub.Substring(sub.IndexOf('@') + 1);
|
|
// remove local parts, e.g. http://test.com/bla
|
|
if (sub.IndexOf('/') != -1)
|
|
{
|
|
sub = sub.Substring(0, sub.IndexOf('/'));
|
|
}
|
|
return sub;
|
|
}
|
|
|
|
/**
|
|
* Checks if the given GeneralName is in the permitted ISet.
|
|
*
|
|
* @param name The GeneralName
|
|
* @throws PkixNameConstraintValidatorException
|
|
* If the <code>name</code>
|
|
*/
|
|
public void checkPermitted(GeneralName name)
|
|
// throws PkixNameConstraintValidatorException
|
|
{
|
|
switch (name.TagNo)
|
|
{
|
|
case 1:
|
|
CheckPermittedEmail(permittedSubtreesEmail,
|
|
ExtractNameAsString(name));
|
|
break;
|
|
case 2:
|
|
CheckPermittedDNS(permittedSubtreesDNS, DerIA5String.GetInstance(
|
|
name.Name).GetString());
|
|
break;
|
|
case 4:
|
|
CheckPermittedDN(Asn1Sequence.GetInstance(name.Name.ToAsn1Object()));
|
|
break;
|
|
case 6:
|
|
CheckPermittedURI(permittedSubtreesURI, DerIA5String.GetInstance(
|
|
name.Name).GetString());
|
|
break;
|
|
case 7:
|
|
byte[] ip = Asn1OctetString.GetInstance(name.Name).GetOctets();
|
|
|
|
CheckPermittedIP(permittedSubtreesIP, ip);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Check if the given GeneralName is contained in the excluded ISet.
|
|
*
|
|
* @param name The GeneralName.
|
|
* @throws PkixNameConstraintValidatorException
|
|
* If the <code>name</code> is
|
|
* excluded.
|
|
*/
|
|
public void checkExcluded(GeneralName name)
|
|
// throws PkixNameConstraintValidatorException
|
|
{
|
|
switch (name.TagNo)
|
|
{
|
|
case 1:
|
|
CheckExcludedEmail(excludedSubtreesEmail, ExtractNameAsString(name));
|
|
break;
|
|
case 2:
|
|
checkExcludedDNS(excludedSubtreesDNS, DerIA5String.GetInstance(
|
|
name.Name).GetString());
|
|
break;
|
|
case 4:
|
|
CheckExcludedDN(Asn1Sequence.GetInstance(name.Name.ToAsn1Object()));
|
|
break;
|
|
case 6:
|
|
checkExcludedURI(excludedSubtreesURI, DerIA5String.GetInstance(
|
|
name.Name).GetString());
|
|
break;
|
|
case 7:
|
|
byte[] ip = Asn1OctetString.GetInstance(name.Name).GetOctets();
|
|
|
|
checkExcludedIP(excludedSubtreesIP, ip);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Updates the permitted ISet of these name constraints with the intersection
|
|
* with the given subtree.
|
|
*
|
|
* @param permitted The permitted subtrees
|
|
*/
|
|
|
|
public void IntersectPermittedSubtree(Asn1Sequence permitted)
|
|
{
|
|
IDictionary subtreesMap = new Hashtable();
|
|
|
|
// group in ISets in a map ordered by tag no.
|
|
for (IEnumerator e = permitted.GetEnumerator(); e.MoveNext(); )
|
|
{
|
|
GeneralSubtree subtree = GeneralSubtree.GetInstance(e.Current);
|
|
|
|
int tagNo = subtree.Base.TagNo;
|
|
if (subtreesMap[tagNo] == null)
|
|
{
|
|
subtreesMap[tagNo] = new HashSet();
|
|
}
|
|
|
|
((ISet)subtreesMap[tagNo]).Add(subtree);
|
|
}
|
|
|
|
for (IEnumerator it = subtreesMap.GetEnumerator(); it.MoveNext(); )
|
|
{
|
|
DictionaryEntry entry = (DictionaryEntry)it.Current;
|
|
|
|
// go through all subtree groups
|
|
switch ((int)entry.Key )
|
|
{
|
|
case 1:
|
|
permittedSubtreesEmail = IntersectEmail(permittedSubtreesEmail,
|
|
(ISet)entry.Value);
|
|
break;
|
|
case 2:
|
|
permittedSubtreesDNS = intersectDNS(permittedSubtreesDNS,
|
|
(ISet)entry.Value);
|
|
break;
|
|
case 4:
|
|
permittedSubtreesDN = IntersectDN(permittedSubtreesDN,
|
|
(ISet)entry.Value);
|
|
break;
|
|
case 6:
|
|
permittedSubtreesURI = intersectURI(permittedSubtreesURI,
|
|
(ISet)entry.Value);
|
|
break;
|
|
case 7:
|
|
permittedSubtreesIP = IntersectIP(permittedSubtreesIP,
|
|
(ISet)entry.Value);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
private String ExtractNameAsString(GeneralName name)
|
|
{
|
|
return DerIA5String.GetInstance(name.Name).GetString();
|
|
}
|
|
|
|
public void IntersectEmptyPermittedSubtree(int nameType)
|
|
{
|
|
switch (nameType)
|
|
{
|
|
case 1:
|
|
permittedSubtreesEmail = new HashSet();
|
|
break;
|
|
case 2:
|
|
permittedSubtreesDNS = new HashSet();
|
|
break;
|
|
case 4:
|
|
permittedSubtreesDN = new HashSet();
|
|
break;
|
|
case 6:
|
|
permittedSubtreesURI = new HashSet();
|
|
break;
|
|
case 7:
|
|
permittedSubtreesIP = new HashSet();
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Adds a subtree to the excluded ISet of these name constraints.
|
|
*
|
|
* @param subtree A subtree with an excluded GeneralName.
|
|
*/
|
|
public void AddExcludedSubtree(GeneralSubtree subtree)
|
|
{
|
|
GeneralName subTreeBase = subtree.Base;
|
|
|
|
switch (subTreeBase.TagNo)
|
|
{
|
|
case 1:
|
|
excludedSubtreesEmail = UnionEmail(excludedSubtreesEmail,
|
|
ExtractNameAsString(subTreeBase));
|
|
break;
|
|
case 2:
|
|
excludedSubtreesDNS = unionDNS(excludedSubtreesDNS,
|
|
ExtractNameAsString(subTreeBase));
|
|
break;
|
|
case 4:
|
|
excludedSubtreesDN = UnionDN(excludedSubtreesDN,
|
|
(Asn1Sequence)subTreeBase.Name.ToAsn1Object());
|
|
break;
|
|
case 6:
|
|
excludedSubtreesURI = unionURI(excludedSubtreesURI,
|
|
ExtractNameAsString(subTreeBase));
|
|
break;
|
|
case 7:
|
|
excludedSubtreesIP = UnionIP(excludedSubtreesIP, Asn1OctetString
|
|
.GetInstance(subTreeBase.Name).GetOctets());
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns the maximum IP address.
|
|
*
|
|
* @param ip1 The first IP address.
|
|
* @param ip2 The second IP address.
|
|
* @return The maximum IP address.
|
|
*/
|
|
private static byte[] Max(byte[] ip1, byte[] ip2)
|
|
{
|
|
for (int i = 0; i < ip1.Length; i++)
|
|
{
|
|
if ((ip1[i] & 0xFFFF) > (ip2[i] & 0xFFFF))
|
|
{
|
|
return ip1;
|
|
}
|
|
}
|
|
return ip2;
|
|
}
|
|
|
|
/**
|
|
* Returns the minimum IP address.
|
|
*
|
|
* @param ip1 The first IP address.
|
|
* @param ip2 The second IP address.
|
|
* @return The minimum IP address.
|
|
*/
|
|
private static byte[] Min(byte[] ip1, byte[] ip2)
|
|
{
|
|
for (int i = 0; i < ip1.Length; i++)
|
|
{
|
|
if ((ip1[i] & 0xFFFF) < (ip2[i] & 0xFFFF))
|
|
{
|
|
return ip1;
|
|
}
|
|
}
|
|
return ip2;
|
|
}
|
|
|
|
/**
|
|
* Compares IP address <code>ip1</code> with <code>ip2</code>. If ip1
|
|
* is equal to ip2 0 is returned. If ip1 is bigger 1 is returned, -1
|
|
* otherwise.
|
|
*
|
|
* @param ip1 The first IP address.
|
|
* @param ip2 The second IP address.
|
|
* @return 0 if ip1 is equal to ip2, 1 if ip1 is bigger, -1 otherwise.
|
|
*/
|
|
private static int CompareTo(byte[] ip1, byte[] ip2)
|
|
{
|
|
if (Org.BouncyCastle.Utilities.Arrays.AreEqual(ip1, ip2))
|
|
{
|
|
return 0;
|
|
}
|
|
if (Org.BouncyCastle.Utilities.Arrays.AreEqual(Max(ip1, ip2), ip1))
|
|
{
|
|
return 1;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
/**
|
|
* Returns the logical OR of the IP addresses <code>ip1</code> and
|
|
* <code>ip2</code>.
|
|
*
|
|
* @param ip1 The first IP address.
|
|
* @param ip2 The second IP address.
|
|
* @return The OR of <code>ip1</code> and <code>ip2</code>.
|
|
*/
|
|
private static byte[] Or(byte[] ip1, byte[] ip2)
|
|
{
|
|
byte[] temp = new byte[ip1.Length];
|
|
for (int i = 0; i < ip1.Length; i++)
|
|
{
|
|
temp[i] = (byte)(ip1[i] | ip2[i]);
|
|
}
|
|
return temp;
|
|
}
|
|
|
|
public int HashCode()
|
|
{
|
|
return HashCollection(excludedSubtreesDN)
|
|
+ HashCollection(excludedSubtreesDNS)
|
|
+ HashCollection(excludedSubtreesEmail)
|
|
+ HashCollection(excludedSubtreesIP)
|
|
+ HashCollection(excludedSubtreesURI)
|
|
+ HashCollection(permittedSubtreesDN)
|
|
+ HashCollection(permittedSubtreesDNS)
|
|
+ HashCollection(permittedSubtreesEmail)
|
|
+ HashCollection(permittedSubtreesIP)
|
|
+ HashCollection(permittedSubtreesURI);
|
|
}
|
|
|
|
private int HashCollection(ICollection coll)
|
|
{
|
|
if (coll == null)
|
|
{
|
|
return 0;
|
|
}
|
|
int hash = 0;
|
|
IEnumerator it1 = coll.GetEnumerator();
|
|
while (it1.MoveNext())
|
|
{
|
|
Object o = it1.Current;
|
|
if (o is byte[])
|
|
{
|
|
hash += Org.BouncyCastle.Utilities.Arrays.GetHashCode((byte[])o);
|
|
}
|
|
else
|
|
{
|
|
hash += o.GetHashCode();
|
|
}
|
|
}
|
|
return hash;
|
|
}
|
|
|
|
public new bool Equals(Object o)
|
|
{
|
|
if (!(o is PkixNameConstraintValidator))
|
|
{
|
|
return false;
|
|
}
|
|
PkixNameConstraintValidator constraintValidator = (PkixNameConstraintValidator)o;
|
|
|
|
return CollectionsAreEqual(constraintValidator.excludedSubtreesDN, excludedSubtreesDN)
|
|
&& CollectionsAreEqual(constraintValidator.excludedSubtreesDNS, excludedSubtreesDNS)
|
|
&& CollectionsAreEqual(constraintValidator.excludedSubtreesEmail, excludedSubtreesEmail)
|
|
&& CollectionsAreEqual(constraintValidator.excludedSubtreesIP, excludedSubtreesIP)
|
|
&& CollectionsAreEqual(constraintValidator.excludedSubtreesURI, excludedSubtreesURI)
|
|
&& CollectionsAreEqual(constraintValidator.permittedSubtreesDN, permittedSubtreesDN)
|
|
&& CollectionsAreEqual(constraintValidator.permittedSubtreesDNS, permittedSubtreesDNS)
|
|
&& CollectionsAreEqual(constraintValidator.permittedSubtreesEmail, permittedSubtreesEmail)
|
|
&& CollectionsAreEqual(constraintValidator.permittedSubtreesIP, permittedSubtreesIP)
|
|
&& CollectionsAreEqual(constraintValidator.permittedSubtreesURI, permittedSubtreesURI);
|
|
}
|
|
|
|
private bool CollectionsAreEqual(ICollection coll1, ICollection coll2)
|
|
{
|
|
if (coll1 == coll2)
|
|
{
|
|
return true;
|
|
}
|
|
if (coll1 == null || coll2 == null)
|
|
{
|
|
return false;
|
|
}
|
|
if (coll1.Count != coll2.Count)
|
|
{
|
|
return false;
|
|
}
|
|
IEnumerator it1 = coll1.GetEnumerator();
|
|
|
|
while (it1.MoveNext())
|
|
{
|
|
Object a = it1.Current;
|
|
IEnumerator it2 = coll2.GetEnumerator();
|
|
bool found = false;
|
|
while (it2.MoveNext())
|
|
{
|
|
Object b = it2.Current;
|
|
if (Equals(a, b))
|
|
{
|
|
found = true;
|
|
break;
|
|
}
|
|
}
|
|
if (!found)
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
private new bool Equals(Object o1, Object o2)
|
|
{
|
|
if (o1 == o2)
|
|
{
|
|
return true;
|
|
}
|
|
if (o1 == null || o2 == null)
|
|
{
|
|
return false;
|
|
}
|
|
if ((o1 is byte[]) && (o2 is byte[]))
|
|
{
|
|
return Org.BouncyCastle.Utilities.Arrays.AreEqual((byte[])o1, (byte[])o2);
|
|
}
|
|
else
|
|
{
|
|
return o1.Equals(o2);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Stringifies an IPv4 or v6 address with subnet mask.
|
|
*
|
|
* @param ip The IP with subnet mask.
|
|
* @return The stringified IP address.
|
|
*/
|
|
private String StringifyIP(byte[] ip)
|
|
{
|
|
String temp = "";
|
|
for (int i = 0; i < ip.Length / 2; i++)
|
|
{
|
|
//temp += Integer.toString(ip[i] & 0x00FF) + ".";
|
|
temp += (ip[i] & 0x00FF) + ".";
|
|
}
|
|
temp = temp.Substring(0, temp.Length - 1);
|
|
temp += "/";
|
|
for (int i = ip.Length / 2; i < ip.Length; i++)
|
|
{
|
|
//temp += Integer.toString(ip[i] & 0x00FF) + ".";
|
|
temp += (ip[i] & 0x00FF) + ".";
|
|
}
|
|
temp = temp.Substring(0, temp.Length - 1);
|
|
return temp;
|
|
}
|
|
|
|
private String StringifyIPCollection(ISet ips)
|
|
{
|
|
String temp = "";
|
|
temp += "[";
|
|
for (IEnumerator it = ips.GetEnumerator(); it.MoveNext(); )
|
|
{
|
|
temp += StringifyIP((byte[])it.Current) + ",";
|
|
}
|
|
if (temp.Length > 1)
|
|
{
|
|
temp = temp.Substring(0, temp.Length - 1);
|
|
}
|
|
temp += "]";
|
|
|
|
return temp;
|
|
}
|
|
|
|
public override String ToString()
|
|
{
|
|
String temp = "";
|
|
|
|
temp += "permitted:\n";
|
|
if (permittedSubtreesDN != null)
|
|
{
|
|
temp += "DN:\n";
|
|
temp += permittedSubtreesDN.ToString() + "\n";
|
|
}
|
|
if (permittedSubtreesDNS != null)
|
|
{
|
|
temp += "DNS:\n";
|
|
temp += permittedSubtreesDNS.ToString() + "\n";
|
|
}
|
|
if (permittedSubtreesEmail != null)
|
|
{
|
|
temp += "Email:\n";
|
|
temp += permittedSubtreesEmail.ToString() + "\n";
|
|
}
|
|
if (permittedSubtreesURI != null)
|
|
{
|
|
temp += "URI:\n";
|
|
temp += permittedSubtreesURI.ToString() + "\n";
|
|
}
|
|
if (permittedSubtreesIP != null)
|
|
{
|
|
temp += "IP:\n";
|
|
temp += StringifyIPCollection(permittedSubtreesIP) + "\n";
|
|
}
|
|
temp += "excluded:\n";
|
|
if (!(excludedSubtreesDN.IsEmpty))
|
|
{
|
|
temp += "DN:\n";
|
|
temp += excludedSubtreesDN.ToString() + "\n";
|
|
}
|
|
if (!excludedSubtreesDNS.IsEmpty)
|
|
{
|
|
temp += "DNS:\n";
|
|
temp += excludedSubtreesDNS.ToString() + "\n";
|
|
}
|
|
if (!excludedSubtreesEmail.IsEmpty)
|
|
{
|
|
temp += "Email:\n";
|
|
temp += excludedSubtreesEmail.ToString() + "\n";
|
|
}
|
|
if (!excludedSubtreesURI.IsEmpty)
|
|
{
|
|
temp += "URI:\n";
|
|
temp += excludedSubtreesURI.ToString() + "\n";
|
|
}
|
|
if (!excludedSubtreesIP.IsEmpty)
|
|
{
|
|
temp += "IP:\n";
|
|
temp += StringifyIPCollection(excludedSubtreesIP) + "\n";
|
|
}
|
|
return temp;
|
|
}
|
|
|
|
}
|
|
}
|