diff options
Diffstat (limited to 'crypto/src/asn1/x509/GeneralName.cs')
| -rw-r--r-- | crypto/src/asn1/x509/GeneralName.cs | 418 |
1 files changed, 0 insertions, 418 deletions
diff --git a/crypto/src/asn1/x509/GeneralName.cs b/crypto/src/asn1/x509/GeneralName.cs deleted file mode 100644 index 710ddc922..000000000 --- a/crypto/src/asn1/x509/GeneralName.cs +++ /dev/null @@ -1,418 +0,0 @@ -using System; -using System.Collections; -using System.Globalization; -using System.IO; -using System.Text; - -using NetUtils = Org.BouncyCastle.Utilities.Net; - -namespace Org.BouncyCastle.Asn1.X509 -{ - /** - * 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 - : Asn1Encodable, IAsn1Choice - { - public const int OtherName = 0; - public const int Rfc822Name = 1; - public const int DnsName = 2; - public const int X400Address = 3; - public const int DirectoryName = 4; - public const int EdiPartyName = 5; - public const int UniformResourceIdentifier = 6; - public const int IPAddress = 7; - public const int RegisteredID = 8; - - internal readonly Asn1Encodable obj; - internal readonly int tag; - - 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( - Asn1Object name, - int tag) - { - this.obj = name; - this.tag = tag; - } - - public GeneralName( - int tag, - Asn1Encodable name) - { - this.obj = name; - this.tag = tag; - } - - /** - * Create a GeneralName for the given tag from the passed in string. - * <p> - * This constructor can handle: - * <ul> - * <li>rfc822Name</li> - * <li>iPAddress</li> - * <li>directoryName</li> - * <li>dNSName</li> - * <li>uniformResourceIdentifier</li> - * <li>registeredID</li> - * </ul> - * For x400Address, otherName and ediPartyName there is no common string - * format defined. - * </p><p> - * Note: A directory name can be encoded in different ways into a byte - * representation. Be aware of this if the byte representation is used for - * comparing results. - * </p> - * - * @param tag tag number - * @param name string representation of name - * @throws ArgumentException if the string encoding is not correct or - * not supported. - */ - public GeneralName( - int tag, - string name) - { - this.tag = tag; - - if (tag == Rfc822Name || tag == DnsName || tag == UniformResourceIdentifier) - { - this.obj = new DerIA5String(name); - } - else if (tag == RegisteredID) - { - this.obj = new DerObjectIdentifier(name); - } - else if (tag == DirectoryName) - { - this.obj = new X509Name(name); - } - else if (tag == IPAddress) - { - byte[] enc = toGeneralNameEncoding(name); - if (enc == null) - throw new ArgumentException("IP Address is invalid", "name"); - - this.obj = new DerOctetString(enc); - } - else - { - throw new ArgumentException("can't process string for tag: " + tag, "tag"); - } - } - - public static GeneralName GetInstance( - object obj) - { - if (obj == null || obj is GeneralName) - { - return (GeneralName) obj; - } - - if (obj is Asn1TaggedObject) - { - Asn1TaggedObject tagObj = (Asn1TaggedObject) obj; - int tag = tagObj.TagNo; - - switch (tag) - { - case OtherName: - return new GeneralName(tag, Asn1Sequence.GetInstance(tagObj, false)); - case Rfc822Name: - return new GeneralName(tag, DerIA5String.GetInstance(tagObj, false)); - case DnsName: - return new GeneralName(tag, DerIA5String.GetInstance(tagObj, false)); - case X400Address: - throw new ArgumentException("unknown tag: " + tag); - case DirectoryName: - return new GeneralName(tag, X509Name.GetInstance(tagObj, true)); - case EdiPartyName: - return new GeneralName(tag, Asn1Sequence.GetInstance(tagObj, false)); - case UniformResourceIdentifier: - return new GeneralName(tag, DerIA5String.GetInstance(tagObj, false)); - case IPAddress: - return new GeneralName(tag, Asn1OctetString.GetInstance(tagObj, false)); - case RegisteredID: - return new GeneralName(tag, DerObjectIdentifier.GetInstance(tagObj, false)); - } - } - - if (obj is byte[]) - { - try - { - return GetInstance(Asn1Object.FromByteArray((byte[])obj)); - } - catch (IOException) - { - throw new ArgumentException("unable to parse encoded general name"); - } - } - - throw new ArgumentException("unknown object in GetInstance: " + obj.GetType().FullName, "obj"); - } - - public static GeneralName GetInstance( - Asn1TaggedObject tagObj, - bool explicitly) - { - return GetInstance(Asn1TaggedObject.GetInstance(tagObj, true)); - } - - public int TagNo - { - get { return tag; } - } - - public Asn1Encodable Name - { - get { return obj; } - } - - public override string ToString() - { - StringBuilder buf = new StringBuilder(); - buf.Append(tag); - buf.Append(": "); - - switch (tag) - { - case Rfc822Name: - case DnsName: - case UniformResourceIdentifier: - buf.Append(DerIA5String.GetInstance(obj).GetString()); - break; - case DirectoryName: - buf.Append(X509Name.GetInstance(obj).ToString()); - break; - default: - buf.Append(obj.ToString()); - break; - } - - return buf.ToString(); - } - - private byte[] toGeneralNameEncoding( - string ip) - { - if (NetUtils.IPAddress.IsValidIPv6WithNetmask(ip) || NetUtils.IPAddress.IsValidIPv6(ip)) - { - int slashIndex = ip.IndexOf('/'); - - if (slashIndex < 0) - { - byte[] addr = new byte[16]; - int[] parsedIp = parseIPv6(ip); - copyInts(parsedIp, addr, 0); - - return addr; - } - else - { - byte[] addr = new byte[32]; - int[] parsedIp = parseIPv6(ip.Substring(0, slashIndex)); - copyInts(parsedIp, addr, 0); - string mask = ip.Substring(slashIndex + 1); - if (mask.IndexOf(':') > 0) - { - parsedIp = parseIPv6(mask); - } - else - { - parsedIp = parseMask(mask); - } - copyInts(parsedIp, addr, 16); - - return addr; - } - } - else if (NetUtils.IPAddress.IsValidIPv4WithNetmask(ip) || NetUtils.IPAddress.IsValidIPv4(ip)) - { - int slashIndex = ip.IndexOf('/'); - - if (slashIndex < 0) - { - byte[] addr = new byte[4]; - - parseIPv4(ip, addr, 0); - - return addr; - } - else - { - byte[] addr = new byte[8]; - - parseIPv4(ip.Substring(0, slashIndex), addr, 0); - - string mask = ip.Substring(slashIndex + 1); - if (mask.IndexOf('.') > 0) - { - parseIPv4(mask, addr, 4); - } - else - { - parseIPv4Mask(mask, addr, 4); - } - - return addr; - } - } - - return null; - } - - private void parseIPv4Mask(string mask, byte[] addr, int offset) - { - int maskVal = Int32.Parse(mask); - - for (int i = 0; i != maskVal; i++) - { - addr[(i / 8) + offset] |= (byte)(1 << (i % 8)); - } - } - - private void parseIPv4(string ip, byte[] addr, int offset) - { - foreach (string token in ip.Split('.', '/')) - { - addr[offset++] = (byte)Int32.Parse(token); - } - } - - private int[] parseMask(string mask) - { - int[] res = new int[8]; - int maskVal = Int32.Parse(mask); - - for (int i = 0; i != maskVal; i++) - { - res[i / 16] |= 1 << (i % 16); - } - return res; - } - - private void copyInts(int[] parsedIp, byte[] addr, int offSet) - { - for (int i = 0; i != parsedIp.Length; i++) - { - addr[(i * 2) + offSet] = (byte)(parsedIp[i] >> 8); - addr[(i * 2 + 1) + offSet] = (byte)parsedIp[i]; - } - } - - private int[] parseIPv6(string ip) - { - if (ip.StartsWith("::")) - { - ip = ip.Substring(1); - } - else if (ip.EndsWith("::")) - { - ip = ip.Substring(0, ip.Length - 1); - } - - IEnumerator sEnum = ip.Split(':').GetEnumerator(); - - int index = 0; - int[] val = new int[8]; - - int doubleColon = -1; - - while (sEnum.MoveNext()) - { - string e = (string) sEnum.Current; - - if (e.Length == 0) - { - doubleColon = index; - val[index++] = 0; - } - else - { - if (e.IndexOf('.') < 0) - { - val[index++] = Int32.Parse(e, NumberStyles.AllowHexSpecifier); - } - else - { - string[] tokens = e.Split('.'); - - val[index++] = (Int32.Parse(tokens[0]) << 8) | Int32.Parse(tokens[1]); - val[index++] = (Int32.Parse(tokens[2]) << 8) | Int32.Parse(tokens[3]); - } - } - } - - if (index != val.Length) - { - Array.Copy(val, doubleColon, val, val.Length - (index - doubleColon), index - doubleColon); - for (int i = doubleColon; i != val.Length - (index - doubleColon); i++) - { - val[i] = 0; - } - } - - return val; - } - - public override Asn1Object ToAsn1Object() - { - // Explicitly tagged if DirectoryName - return new DerTaggedObject(tag == DirectoryName, tag, obj); - } - } -} |