package org.bouncycastle.asn1.x509; import org.bouncycastle.asn1.ASN1OctetString; import org.bouncycastle.asn1.ASN1TaggedObject; import org.bouncycastle.asn1.DEREncodable; import org.bouncycastle.asn1.DERIA5String; import org.bouncycastle.asn1.DERObject; import org.bouncycastle.asn1.DERObjectIdentifier; import org.bouncycastle.asn1.DERTaggedObject; /** * The GeneralName object. * <pre> * GeneralName ::= CHOICE { * otherName [0] OtherName, * rfc822Name [1] IA5String, * dNSName [2] IA5String, * x400Address [3] ORAddress, * directoryName [4] Name, * ediPartyName [5] EDIPartyName, * uniformResourceIdentifier [6] IA5String, * iPAddress [7] OCTET STRING, * registeredID [8] OBJECT IDENTIFIER} * * OtherName ::= SEQUENCE { * type-id OBJECT IDENTIFIER, * value [0] EXPLICIT ANY DEFINED BY type-id } * * EDIPartyName ::= SEQUENCE { * nameAssigner [0] DirectoryString OPTIONAL, * partyName [1] DirectoryString } * </pre> */ public class GeneralName implements DEREncodable { DEREncodable obj; int tag; boolean isInsideImplicit = false; // if we are in an implicitly tagged object public GeneralName( X509Name directoryName) { this.obj = directoryName; this.tag = 4; } /** * When the subjectAltName extension contains an Internet mail address, * the address MUST be included as an rfc822Name. The format of an * rfc822Name is an "addr-spec" as defined in RFC 822 [RFC 822]. * * When the subjectAltName extension contains a domain name service * label, the domain name MUST be stored in the dNSName (an IA5String). * The name MUST be in the "preferred name syntax," as specified by RFC * 1034 [RFC 1034]. * * When the subjectAltName extension contains a URI, the name MUST be * stored in the uniformResourceIdentifier (an IA5String). The name MUST * be a non-relative URL, and MUST follow the URL syntax and encoding * rules specified in [RFC 1738]. The name must include both a scheme * (e.g., "http" or "ftp") and a scheme-specific-part. The scheme- * specific-part must include a fully qualified domain name or IP * address as the host. * * When the subjectAltName extension contains a iPAddress, the address * MUST be stored in the octet string in "network byte order," as * specified in RFC 791 [RFC 791]. The least significant bit (LSB) of * each octet is the LSB of the corresponding byte in the network * address. For IP Version 4, as specified in RFC 791, the octet string * MUST contain exactly four octets. For IP Version 6, as specified in * RFC 1883, the octet string MUST contain exactly sixteen octets [RFC * 1883]. */ public GeneralName( DERObject name, int tag) { this.obj = name; this.tag = tag; } public static GeneralName getInstance( Object obj) { if (obj == null || obj instanceof GeneralName) { return (GeneralName)obj; } if (obj instanceof ASN1TaggedObject) { ASN1TaggedObject tagObj = (ASN1TaggedObject)obj; int tag = tagObj.getTagNo(); switch (tag) { case 0: return new GeneralName(tagObj.getObject(), tag); case 1: return new GeneralName(DERIA5String.getInstance(tagObj, false), tag); case 2: return new GeneralName(DERIA5String.getInstance(tagObj, false), tag); case 3: throw new IllegalArgumentException("unknown tag: " + tag); case 4: return new GeneralName(tagObj.getObject(), tag); case 5: return new GeneralName(tagObj.getObject(), tag); case 6: return new GeneralName(DERIA5String.getInstance(tagObj, false), tag); case 7: return new GeneralName(ASN1OctetString.getInstance(tagObj, false), tag); case 8: return new GeneralName(DERObjectIdentifier.getInstance(tagObj, false), tag); } } throw new IllegalArgumentException("unknown object in getInstance"); } public static GeneralName getInstance( ASN1TaggedObject tagObj, boolean explicit) { return GeneralName.getInstance(ASN1TaggedObject.getInstance(tagObj, explicit)); } /** * mark whether or not we are contained inside an implicitly tagged * object. * @deprecated */ public void markInsideImplicit( boolean isInsideImplicit) { this.isInsideImplicit = isInsideImplicit; } public int getTagNo() { return tag; } public DEREncodable getName() { return obj; } public DERObject getDERObject() { if (tag == 4) // directoryName is explicitly tagged! { return new DERTaggedObject(true, tag, obj); } else { return new DERTaggedObject(false, tag, obj); } } }