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• X509Name.java

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org.bouncycastle.asn1.x509.X509Name Maven / Gradle / Ivy

package org.bouncycastle.asn1.x509;

import java.io.IOException;
import java.util.Enumeration;
import java.util.Hashtable;
import java.util.Vector;

import org.bouncycastle.asn1.ASN1Encodable;
import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1Encoding;
import org.bouncycastle.asn1.ASN1Object;
import org.bouncycastle.asn1.ASN1ObjectIdentifier;
import org.bouncycastle.asn1.ASN1Primitive;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.ASN1Set;
import org.bouncycastle.asn1.ASN1String;
import org.bouncycastle.asn1.ASN1TaggedObject;
import org.bouncycastle.asn1.ASN1UniversalString;
import org.bouncycastle.asn1.DERSequence;
import org.bouncycastle.asn1.DERSet;
import org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers;
import org.bouncycastle.asn1.x500.X500Name;
import org.bouncycastle.util.Strings;
import org.bouncycastle.util.encoders.Hex;

/**
 *  
 *     RDNSequence ::= SEQUENCE OF RelativeDistinguishedName
 *
 *     RelativeDistinguishedName ::= SET SIZE (1..MAX) OF AttributeTypeAndValue
 *
 *     AttributeTypeAndValue ::= SEQUENCE {
 *                                   type  OBJECT IDENTIFIER,
 *                                   value ANY }
 * 

* The passed in converter will be used to convert the strings into their * ASN.1 counterparts. * @deprecated use X500Name, X500NameBuilder */ public X509Name( Vector oids, Vector values, X509NameEntryConverter converter) { this.converter = converter; if (oids.size() != values.size()) { throw new IllegalArgumentException("oids vector must be same length as values."); } for (int i = 0; i < oids.size(); i++) { this.ordering.addElement(oids.elementAt(i)); this.values.addElement(values.elementAt(i)); this.added.addElement(FALSE); } } // private Boolean isEncoded(String s) // { // if (s.charAt(0) == '#') // { // return TRUE; // } // // return FALSE; // } /** * Takes an X509 dir name as a string of the format "C=AU, ST=Victoria", or * some such, converting it into an ordered set of name attributes. * @deprecated use X500Name, X500NameBuilder */ public X509Name( String dirName) { this(DefaultReverse, DefaultLookUp, dirName); } /** * Takes an X509 dir name as a string of the format "C=AU, ST=Victoria", or * some such, converting it into an ordered set of name attributes with each * string value being converted to its associated ASN.1 type using the passed * in converter. * @deprecated use X500Name, X500NameBuilder */ public X509Name( String dirName, X509NameEntryConverter converter) { this(DefaultReverse, DefaultLookUp, dirName, converter); } /** * Takes an X509 dir name as a string of the format "C=AU, ST=Victoria", or * some such, converting it into an ordered set of name attributes. If reverse * is true, create the encoded version of the sequence starting from the * last element in the string. * @deprecated use X500Name, X500NameBuilder */ public X509Name( boolean reverse, String dirName) { this(reverse, DefaultLookUp, dirName); } /** * Takes an X509 dir name as a string of the format "C=AU, ST=Victoria", or * some such, converting it into an ordered set of name attributes with each * string value being converted to its associated ASN.1 type using the passed * in converter. If reverse is true the ASN.1 sequence representing the DN will * be built by starting at the end of the string, rather than the start. * @deprecated use X500Name, X500NameBuilder */ public X509Name( boolean reverse, String dirName, X509NameEntryConverter converter) { this(reverse, DefaultLookUp, dirName, converter); } /** * Takes an X509 dir name as a string of the format "C=AU, ST=Victoria", or * some such, converting it into an ordered set of name attributes. lookUp * should provide a table of lookups, indexed by lowercase only strings and * yielding a ASN1ObjectIdentifier, other than that OID. and numeric oids * will be processed automatically. * * If reverse is true, create the encoded version of the sequence * starting from the last element in the string. * @param reverse true if we should start scanning from the end (RFC 2553). * @param lookUp table of names and their oids. * @param dirName the X.500 string to be parsed. * @deprecated use X500Name, X500NameBuilder */ public X509Name( boolean reverse, Hashtable lookUp, String dirName) { this(reverse, lookUp, dirName, new X509DefaultEntryConverter()); } private ASN1ObjectIdentifier decodeOID(String name, Hashtable lookUp) { name = name.trim(); if (name.regionMatches(true, 0, "OID.", 0, 4)) { return new ASN1ObjectIdentifier(name.substring(4)); } ASN1ObjectIdentifier oid = ASN1ObjectIdentifier.tryFromID(name); if (oid != null) { return oid; } oid = (ASN1ObjectIdentifier)lookUp.get(Strings.toLowerCase(name)); if (oid != null) { return oid; } throw new IllegalArgumentException("Unknown object id - " + name + " - passed to distinguished name"); } private String unescape(String elt) { if (elt.length() == 0 || (elt.indexOf('\\') < 0 && elt.indexOf('"') < 0)) { return elt.trim(); } char[] elts = elt.toCharArray(); boolean escaped = false; boolean quoted = false; StringBuffer buf = new StringBuffer(elt.length()); int start = 0; // if it's an escaped hash string and not an actual encoding in string form // we need to leave it escaped. if (elts[0] == '\\') { if (elts[1] == '#') { start = 2; buf.append("\\#"); } } boolean nonWhiteSpaceEncountered = false; int lastEscaped = 0; for (int i = start; i != elts.length; i++) { char c = elts[i]; if (c != ' ') { nonWhiteSpaceEncountered = true; } if (c == '"') { if (!escaped) { quoted = !quoted; } else { buf.append(c); } escaped = false; } else if (c == '\\' && !(escaped || quoted)) { escaped = true; lastEscaped = buf.length(); } else { if (c == ' ' && !escaped && !nonWhiteSpaceEncountered) { continue; } buf.append(c); escaped = false; } } if (buf.length() > 0) { while (buf.charAt(buf.length() - 1) == ' ' && lastEscaped != (buf.length() - 1)) { buf.setLength(buf.length() - 1); } } return buf.toString(); } /** * Takes an X509 dir name as a string of the format "C=AU, ST=Victoria", or * some such, converting it into an ordered set of name attributes. lookUp * should provide a table of lookups, indexed by lowercase only strings and * yielding a ASN1ObjectIdentifier, other than that OID. and numeric oids * will be processed automatically. The passed in converter is used to convert the * string values to the right of each equals sign to their ASN.1 counterparts. * * @param reverse true if we should start scanning from the end, false otherwise. * @param lookUp table of names and oids. * @param dirName the string dirName * @param converter the converter to convert string values into their ASN.1 equivalents */ public X509Name( boolean reverse, Hashtable lookUp, String dirName, X509NameEntryConverter converter) { this.converter = converter; X509NameTokenizer nTok = new X509NameTokenizer(dirName); while (nTok.hasMoreTokens()) { String token = nTok.nextToken(); if (token.indexOf('+') > 0) { X509NameTokenizer pTok = new X509NameTokenizer(token, '+'); addEntry(lookUp, pTok.nextToken(), FALSE); while (pTok.hasMoreTokens()) { addEntry(lookUp, pTok.nextToken(), TRUE); } } else { addEntry(lookUp, token, FALSE); } } if (reverse) { Vector o = new Vector(); Vector v = new Vector(); Vector a = new Vector(); int count = 1; for (int i = 0; i < this.ordering.size(); i++) { if (((Boolean)this.added.elementAt(i)).booleanValue()) { o.insertElementAt(this.ordering.elementAt(i), count); v.insertElementAt(this.values.elementAt(i), count); a.insertElementAt(this.added.elementAt(i), count); count++; } else { o.insertElementAt(this.ordering.elementAt(i), 0); v.insertElementAt(this.values.elementAt(i), 0); a.insertElementAt(this.added.elementAt(i), 0); count = 1; } } this.ordering = o; this.values = v; this.added = a; } } private void addEntry(Hashtable lookUp, String token, Boolean isAdded) { X509NameTokenizer vTok; String name; String value;ASN1ObjectIdentifier oid; vTok = new X509NameTokenizer(token, '='); name = vTok.nextToken(); if (!vTok.hasMoreTokens()) { throw new IllegalArgumentException("badly formatted directory string"); } value = vTok.nextToken(); oid = decodeOID(name, lookUp); this.ordering.addElement(oid); this.values.addElement(unescape(value)); this.added.addElement(isAdded); } /** * return a vector of the oids in the name, in the order they were found. */ public Vector getOIDs() { Vector v = new Vector(); for (int i = 0; i != ordering.size(); i++) { v.addElement(ordering.elementAt(i)); } return v; } /** * return a vector of the values found in the name, in the order they * were found. */ public Vector getValues() { Vector v = new Vector(); for (int i = 0; i != values.size(); i++) { v.addElement(values.elementAt(i)); } return v; } /** * return a vector of the values found in the name, in the order they * were found, with the DN label corresponding to passed in oid. */ public Vector getValues( ASN1ObjectIdentifier oid) { Vector v = new Vector(); for (int i = 0; i != values.size(); i++) { if (ordering.elementAt(i).equals(oid)) { String val = (String)values.elementAt(i); if (val.length() > 2 && val.charAt(0) == '\\' && val.charAt(1) == '#') { v.addElement(val.substring(1)); } else { v.addElement(val); } } } return v; } public ASN1Primitive toASN1Primitive() { if (seq == null) { ASN1EncodableVector vec = new ASN1EncodableVector(); ASN1EncodableVector sVec = new ASN1EncodableVector(); ASN1ObjectIdentifier lstOid = null; for (int i = 0; i != ordering.size(); i++) { ASN1EncodableVector v = new ASN1EncodableVector(2); ASN1ObjectIdentifier oid = (ASN1ObjectIdentifier)ordering.elementAt(i); v.add(oid); String str = (String)values.elementAt(i); v.add(converter.getConvertedValue(oid, str)); if (lstOid == null || ((Boolean)this.added.elementAt(i)).booleanValue()) { sVec.add(new DERSequence(v)); } else { vec.add(new DERSet(sVec)); sVec = new ASN1EncodableVector(); sVec.add(new DERSequence(v)); } lstOid = oid; } vec.add(new DERSet(sVec)); seq = new DERSequence(vec); } return seq; } /** * @param inOrder if true the order of both X509 names must be the same, * as well as the values associated with each element. */ public boolean equals(Object obj, boolean inOrder) { if (!inOrder) { return this.equals(obj); } if (obj == this) { return true; } if (!(obj instanceof X509Name || obj instanceof ASN1Sequence)) { return false; } ASN1Primitive derO = ((ASN1Encodable)obj).toASN1Primitive(); if (this.toASN1Primitive().equals(derO)) { return true; } X509Name other; try { other = X509Name.getInstance(obj); } catch (IllegalArgumentException e) { return false; } int orderingSize = ordering.size(); if (orderingSize != other.ordering.size()) { return false; } for (int i = 0; i < orderingSize; i++) { ASN1ObjectIdentifier oid = (ASN1ObjectIdentifier)ordering.elementAt(i); ASN1ObjectIdentifier oOid = (ASN1ObjectIdentifier)other.ordering.elementAt(i); if (oid.equals(oOid)) { String value = (String)values.elementAt(i); String oValue = (String)other.values.elementAt(i); if (!equivalentStrings(value, oValue)) { return false; } } else { return false; } } return true; } public int hashCode() { if (isHashCodeCalculated) { return hashCodeValue; } isHashCodeCalculated = true; // this needs to be order independent, like equals for (int i = 0; i != ordering.size(); i += 1) { String value = (String)values.elementAt(i); value = canonicalize(value); value = stripInternalSpaces(value); hashCodeValue ^= ordering.elementAt(i).hashCode(); hashCodeValue ^= value.hashCode(); } return hashCodeValue; } /** * test for equality - note: case is ignored. */ public boolean equals(Object obj) { if (obj == this) { return true; } if (!(obj instanceof X509Name || obj instanceof ASN1Sequence)) { return false; } ASN1Primitive derO = ((ASN1Encodable)obj).toASN1Primitive(); if (this.toASN1Primitive().equals(derO)) { return true; } X509Name other; try { other = X509Name.getInstance(obj); } catch (IllegalArgumentException e) { return false; } int orderingSize = ordering.size(); if (orderingSize != other.ordering.size()) { return false; } boolean[] indexes = new boolean[orderingSize]; int start, end, delta; if (ordering.elementAt(0).equals(other.ordering.elementAt(0))) // guess forward { start = 0; end = orderingSize; delta = 1; } else // guess reversed - most common problem { start = orderingSize - 1; end = -1; delta = -1; } for (int i = start; i != end; i += delta) { boolean found = false; ASN1ObjectIdentifier oid = (ASN1ObjectIdentifier)ordering.elementAt(i); String value = (String)values.elementAt(i); for (int j = 0; j < orderingSize; j++) { if (indexes[j]) { continue; } ASN1ObjectIdentifier oOid = (ASN1ObjectIdentifier)other.ordering.elementAt(j); if (oid.equals(oOid)) { String oValue = (String)other.values.elementAt(j); if (equivalentStrings(value, oValue)) { indexes[j] = true; found = true; break; } } } if (!found) { return false; } } return true; } private boolean equivalentStrings(String s1, String s2) { String value = canonicalize(s1); String oValue = canonicalize(s2); if (!value.equals(oValue)) { value = stripInternalSpaces(value); oValue = stripInternalSpaces(oValue); if (!value.equals(oValue)) { return false; } } return true; } private String canonicalize(String s) { String value = Strings.toLowerCase(s.trim()); if (value.length() > 0 && value.charAt(0) == '#') { ASN1Primitive obj = decodeObject(value); if (obj instanceof ASN1String) { value = Strings.toLowerCase(((ASN1String)obj).getString().trim()); } } return value; } private ASN1Primitive decodeObject(String oValue) { try { return ASN1Primitive.fromByteArray(Hex.decodeStrict(oValue, 1, oValue.length() - 1)); } catch (IOException e) { throw new IllegalStateException("unknown encoding in name: " + e); } } private String stripInternalSpaces( String str) { StringBuffer res = new StringBuffer(); if (str.length() != 0) { char c1 = str.charAt(0); res.append(c1); for (int k = 1; k < str.length(); k++) { char c2 = str.charAt(k); if (!(c1 == ' ' && c2 == ' ')) { res.append(c2); } c1 = c2; } } return res.toString(); } private void appendValue( StringBuffer buf, Hashtable oidSymbols, ASN1ObjectIdentifier oid, String value) { String sym = (String)oidSymbols.get(oid); if (sym != null) { buf.append(sym); } else { buf.append(oid.getId()); } buf.append('='); int start = buf.length(); buf.append(value); int end = buf.length(); if (value.length() >= 2 && value.charAt(0) == '\\' && value.charAt(1) == '#') { start += 2; } while (start < end && buf.charAt(start) == ' ') { buf.insert(start, "\\"); start += 2; ++end; } while (--end > start && buf.charAt(end) == ' ') { buf.insert(end, '\\'); } while (start <= end) { switch (buf.charAt(start)) { case ',': case '"': case '\\': case '+': case '=': case '<': case '>': case ';': buf.insert(start, "\\"); start += 2; ++end; break; default: ++start; break; } } } /** * convert the structure to a string - if reverse is true the * oids and values are listed out starting with the last element * in the sequence (ala RFC 2253), otherwise the string will begin * with the first element of the structure. If no string definition * for the oid is found in oidSymbols the string value of the oid is * added. Two standard symbol tables are provided DefaultSymbols, and * RFC2253Symbols as part of this class. * * @param reverse if true start at the end of the sequence and work back. * @param oidSymbols look up table strings for oids. */ public String toString( boolean reverse, Hashtable oidSymbols) { StringBuffer buf = new StringBuffer(); Vector components = new Vector(); boolean first = true; StringBuffer ava = null; for (int i = 0; i < ordering.size(); i++) { if (((Boolean)added.elementAt(i)).booleanValue()) { ava.append('+'); appendValue(ava, oidSymbols, (ASN1ObjectIdentifier)ordering.elementAt(i), (String)values.elementAt(i)); } else { ava = new StringBuffer(); appendValue(ava, oidSymbols, (ASN1ObjectIdentifier)ordering.elementAt(i), (String)values.elementAt(i)); components.addElement(ava); } } if (reverse) { for (int i = components.size() - 1; i >= 0; i--) { if (first) { first = false; } else { buf.append(','); } buf.append(components.elementAt(i).toString()); } } else { for (int i = 0; i < components.size(); i++) { if (first) { first = false; } else { buf.append(','); } buf.append(components.elementAt(i).toString()); } } return buf.toString(); } private String bytesToString( byte[] data) { char[] cs = new char[data.length]; for (int i = 0; i != cs.length; i++) { cs[i] = (char)(data[i] & 0xff); } return new String(cs); } public String toString() { return toString(DefaultReverse, DefaultSymbols); } }