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1
2 package com.ca.commons.security.asn1;
3
4 import java.util.Hashtable  ;
5
6 public class GeneralName
7 {
8
9 private int generalNameID = -1;
10 private String rfc822Name = null; private String dNSName = null; private Name directoryName = null; private String uRID = null; private String ipAddress = null; private String registeredOID = null;
17 private static Hashtable idName = new Hashtable ();
18
19 static
20 {
21 idName.put(new Integer (1), "rfc822Name");
22 idName.put(new Integer (2), "dNSName");
23 idName.put(new Integer (4), "directoryName");
24 idName.put(new Integer (6), "uRID");
25 idName.put(new Integer (7), "ipAddress");
26 idName.put(new Integer (8), "registeredOID");
27 }
28
29 public static String lookUpName(int id)
30 {
31 return (String ) idName.get(new Integer (id));
32 }
33
34 public GeneralName( Object obj, int type) throws ASN1Exception
35 {
36
37 if ( (type < 0) || ( type > 8))
38 throw new ASN1Exception("Wrong type");
39
40 if ( (type == 1) && ( obj instanceof String ))
41 {
42 rfc822Name = (String ) obj;
43 generalNameID = 1;
44 }
45 else if ( (type ==2) && ( obj instanceof String ))
46 {
47 dNSName = (String ) obj;
48 generalNameID = 2;
49 }
50 else if ( (type ==4) && ( obj instanceof Name))
51 {
52 directoryName = ( Name) obj;
53 generalNameID = 4;
54 }
55 else if ( (type == 6) && ( obj instanceof String ))
56 {
57 uRID = (String ) obj;
58 generalNameID = 6;
59 }
60 else if ( (type == 7) && ( obj instanceof String ))
61 {
62 ipAddress = (String ) obj;
63 generalNameID = 7;
64 }
65 else if ( (type == 8) && ( obj instanceof String ))
66 {
67 registeredOID = (String ) obj;
68 generalNameID = 8;
69 }
70 else
71 {
72 throw new ASN1Exception("Wrong Type");
73 }
74 }
75
76
79 public GeneralName(byte [] data)
80 {
81 ASN1Object o = ASN1Object.fromBytes(data);
82 init(o);
84 }
85
86
89 public GeneralName(ASN1Object o)
90 {
91 init(o);
92 }
93
94 private void init(ASN1Object ss)
95 {
96 if (!ss.isASN1Type(ASN1Type.ContextSpecific))
97 {
98 return;
101 }
102
103 ASN1Object mm = (ASN1Object) ss.getValue();
104 int tag = ss.getTag();
105
106 if (tag >= 0 && tag <= 8)
107 generalNameID = tag;
108 else
109 generalNameID = tag - 32;
111 if (tag == 0)
112 {
113 System.out.println("not Implemented");
114
115 }
116 else if (tag == 0x01)
117 {
118
119 ASN1Object tmp1 = (ASN1Object)ss.getValue();
120 if (tmp1.isASN1Type(ASN1Type.OCTET_STRING) == false)
121 return;
122
123 byte[] bytearray= (byte[])tmp1.getValue();
124 rfc822Name = new String (bytearray);
125
126 }
127 else if (tag == 0x2)
128 {
129
130 ASN1Object tmp1 = (ASN1Object)ss.getValue();
131 if (tmp1.isASN1Type(ASN1Type.OCTET_STRING) == false)
132 return;
133
134 byte[] bytearray= (byte[])tmp1.getValue();
135 dNSName = new String (bytearray);
136
137 }
138 else if (tag == 0x3)
139 {
140 System.out.println("not Implemented");
141
142 }
143 else if (tag == ( 0x04 + 0x20))
144 { directoryName = new Name( (ASN1Object) ss.getValue());
146
147 }
148 else if (tag == 0x5)
149 {
150 System.out.println("not Implemented");
151
152 }
153 else if (tag == 0x6)
154 {
155
156 ASN1Object tmp1 = (ASN1Object)ss.getValue();
157 if (tmp1.isASN1Type(ASN1Type.OCTET_STRING) == false)
158 return;
159
160 byte[] bytearray= (byte[])tmp1.getValue();
161 uRID = (String ) new String (bytearray);
162
163 }
164 else if (tag == 0x7)
165 {
166
167 ASN1Object tmp1 = (ASN1Object)ss.getValue();
168 if (tmp1.isASN1Type(ASN1Type.OCTET_STRING) == false)
169 return;
170
171 byte[] bytearray= (byte[])tmp1.getValue();
172 ipAddress = new String (bytearray);
173
174
175 }
176 else if (tag == 0x08)
177 {
178
179 ASN1Object tmp1 = (ASN1Object)ss.getValue();
180
182 if (tmp1.isASN1Type(ASN1Type.OCTET_STRING) == false)
183 return;
184
185 try
186 {
187 byte[] data = (byte[] ) tmp1.getValue();
188 ASN1Object obj = ASN1Object.create(ASN1Type.OBJECT_ID);
189 decodeOBJECTID( obj, data, 0, data.length);
190 registeredOID = (String ) obj.getValue();
191 }
192 catch ( Exception e)
193 {
194 System.out.println(e);
195 registeredOID = null;
196 }
197
198 }
199 else
200 {
201 return;
203 }
204 }
205
206 public Object getValue(int type)
207 {
208
209 if ( type < 0 || type > 8)
210 return null;
211
212 if ( type ==1)
213 return rfc822Name;
214 else if ( type ==2)
215 return dNSName;
216 else if ( type ==4)
217 return directoryName;
218 else if ( type ==6)
219 return uRID;
220 else if ( type ==7)
221 return ipAddress;
222 else if ( type ==8)
223 return registeredOID;
224
225 return null;
226 }
227
228 public int getType()
229 {
230
231 return generalNameID;
232 }
233
234
235
238 public ASN1Object toASN1Object()
239 {
240
242 if (generalNameID < 0)
243 {
244 return null;
245 }
246
247 ASN1Object mm = null;
248
249 if (generalNameID == 1 && rfc822Name != null)
250 {
251
252 try
253 {
254 mm = new Context(0x01, true,
255 ASN1Object.create( ASN1Type.IA5String, rfc822Name));
256 mm.initByteArray();
257 }
258 catch ( Exception e)
259 {
260 System.out.println(e);
261 }
262
263 return mm;
264 }
265 else if ( generalNameID == 2 && dNSName != null)
266 {
267
268 try
269 {
270 mm = new Context(0x02, true,
271 ASN1Object.create( ASN1Type.IA5String, dNSName));
272 mm.initByteArray();
273 }
274 catch ( Exception e)
275 {
276 System.out.println(e);
277 }
278 return mm;
279 }
280 else if ( generalNameID == 4 && directoryName != null)
281 {
282
283 try
284 {
285 mm = new Context(0x04, false,
286 directoryName.toASN1Object());
287 mm.initByteArray();
288 }
289 catch ( Exception e)
290 {
291 System.out.println(e);
292 }
293 return mm;
294 }
295 else if ( generalNameID == 6 && uRID != null)
296 {
297
298 try
299 {
300 mm = new Context(0x06, true,
301 ASN1Object.create( ASN1Type.IA5String, uRID));
302 mm.initByteArray();
303 }
304 catch ( Exception e)
305 {
306 System.out.println(e);
307 }
308 return mm;
309 }
310 else if ( generalNameID == 7 && ipAddress != null)
311 {
312
313 try
314 {
315 mm = new Context(0x07, true,
316 ASN1Object.create( ASN1Type.OCTET_STRING,
317 ipAddress.getBytes()));
318 mm.initByteArray();
319 }
320 catch ( Exception e)
321 {
322 System.out.println(e);
323 }
324 return mm;
325 }
326 else if ( generalNameID == 8 && registeredOID != null)
327 {
328
329 try
330 {
331 mm = new Context(0x08, true,
332 ASN1Object.create( ASN1Type.OBJECT_ID,
333 registeredOID));
334 mm.initByteArray();
335 }
336 catch ( Exception e)
337 {
338 System.out.println(e);
339 }
340 return mm;
341 }
342
343 return null;
344 }
345
346 private static void decodeOBJECTID(ASN1Object o, byte [] stream, int offset,
347 int length) throws ASN1Exception
348 {
349 if (length < 1)
350 { throw new ASN1Exception("Wrong data (OBJECT ID) length");
352 }
353 int end = offset + length;
354 int v = stream[offset++];
355 String content = Integer.toString(v/40) + " ";
356 content += Integer.toString(v%40) + " ";
357
358 while (offset < end)
359 {
360 long l = 0;
361 while ((stream[offset] & 0x80) != 0)
362 {
363 l |= 0x7f & stream[offset++];
364 l <<= 7;
365 }
366 l |= 0x7f & stream[offset++];
367 content += Long.toString(l) + " ";
368 }
369 if (offset != end)
370 {
371 throw new ASN1Exception("Wrong data (OBJECT ID) length");
372 }
373 o.setValue(content.trim());
374 }
375
376
377 }
378 |
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