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authorcvs2svn <admin@example.com>1999-10-10 21:32:04 +0000
committercvs2svn <admin@example.com>1999-10-10 21:32:04 +0000
commit9b77a555b5e85a4473f23ac7342ddfb4d9ff309d (patch)
treedae5e50679bccd1ed8d7d4041fbb9f3d96bbc98c /src/lib/libcrypto/x509/x509name.c
parent3ef9529fbf0c1f8f1c9da1172e92ad3370d5fcfe (diff)
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diff --git a/src/lib/libcrypto/x509/x509name.c b/src/lib/libcrypto/x509/x509name.c
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1/* crypto/x509/x509name.c */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
57 */
58
59#include <stdio.h>
60#include <openssl/stack.h>
61#include "cryptlib.h"
62#include <openssl/asn1.h>
63#include <openssl/objects.h>
64#include <openssl/evp.h>
65#include <openssl/x509.h>
66
67int X509_NAME_get_text_by_NID(X509_NAME *name, int nid, char *buf, int len)
68 {
69 ASN1_OBJECT *obj;
70
71 obj=OBJ_nid2obj(nid);
72 if (obj == NULL) return(-1);
73 return(X509_NAME_get_text_by_OBJ(name,obj,buf,len));
74 }
75
76int X509_NAME_get_text_by_OBJ(X509_NAME *name, ASN1_OBJECT *obj, char *buf,
77 int len)
78 {
79 int i;
80 ASN1_STRING *data;
81
82 i=X509_NAME_get_index_by_OBJ(name,obj,-1);
83 if (i < 0) return(-1);
84 data=X509_NAME_ENTRY_get_data(X509_NAME_get_entry(name,i));
85 i=(data->length > (len-1))?(len-1):data->length;
86 if (buf == NULL) return(data->length);
87 memcpy(buf,data->data,i);
88 buf[i]='\0';
89 return(i);
90 }
91
92int X509_NAME_entry_count(X509_NAME *name)
93 {
94 if (name == NULL) return(0);
95 return(sk_X509_NAME_ENTRY_num(name->entries));
96 }
97
98int X509_NAME_get_index_by_NID(X509_NAME *name, int nid, int lastpos)
99 {
100 ASN1_OBJECT *obj;
101
102 obj=OBJ_nid2obj(nid);
103 if (obj == NULL) return(-2);
104 return(X509_NAME_get_index_by_OBJ(name,obj,lastpos));
105 }
106
107/* NOTE: you should be passsing -1, not 0 as lastpos */
108int X509_NAME_get_index_by_OBJ(X509_NAME *name, ASN1_OBJECT *obj,
109 int lastpos)
110 {
111 int n;
112 X509_NAME_ENTRY *ne;
113 STACK_OF(X509_NAME_ENTRY) *sk;
114
115 if (name == NULL) return(-1);
116 if (lastpos < 0)
117 lastpos= -1;
118 sk=name->entries;
119 n=sk_X509_NAME_ENTRY_num(sk);
120 for (lastpos++; lastpos < n; lastpos++)
121 {
122 ne=sk_X509_NAME_ENTRY_value(sk,lastpos);
123 if (OBJ_cmp(ne->object,obj) == 0)
124 return(lastpos);
125 }
126 return(-1);
127 }
128
129X509_NAME_ENTRY *X509_NAME_get_entry(X509_NAME *name, int loc)
130 {
131 if(name == NULL || sk_X509_NAME_ENTRY_num(name->entries) <= loc
132 || loc < 0)
133 return(NULL);
134 else
135 return(sk_X509_NAME_ENTRY_value(name->entries,loc));
136 }
137
138X509_NAME_ENTRY *X509_NAME_delete_entry(X509_NAME *name, int loc)
139 {
140 X509_NAME_ENTRY *ret;
141 int i,n,set_prev,set_next;
142 STACK_OF(X509_NAME_ENTRY) *sk;
143
144 if (name == NULL || sk_X509_NAME_ENTRY_num(name->entries) <= loc
145 || loc < 0)
146 return(NULL);
147 sk=name->entries;
148 ret=sk_X509_NAME_ENTRY_delete(sk,loc);
149 n=sk_X509_NAME_ENTRY_num(sk);
150 name->modified=1;
151 if (loc == n) return(ret);
152
153 /* else we need to fixup the set field */
154 if (loc != 0)
155 set_prev=(sk_X509_NAME_ENTRY_value(sk,loc-1))->set;
156 else
157 set_prev=ret->set-1;
158 set_next=sk_X509_NAME_ENTRY_value(sk,loc)->set;
159
160 /* set_prev is the previous set
161 * set is the current set
162 * set_next is the following
163 * prev 1 1 1 1 1 1 1 1
164 * set 1 1 2 2
165 * next 1 1 2 2 2 2 3 2
166 * so basically only if prev and next differ by 2, then
167 * re-number down by 1 */
168 if (set_prev+1 < set_next)
169 for (i=loc; i<n; i++)
170 sk_X509_NAME_ENTRY_value(sk,i)->set--;
171 return(ret);
172 }
173
174/* if set is -1, append to previous set, 0 'a new one', and 1,
175 * prepend to the guy we are about to stomp on. */
176int X509_NAME_add_entry(X509_NAME *name, X509_NAME_ENTRY *ne, int loc,
177 int set)
178 {
179 X509_NAME_ENTRY *new_name=NULL;
180 int n,i,inc;
181 STACK_OF(X509_NAME_ENTRY) *sk;
182
183 if (name == NULL) return(0);
184 sk=name->entries;
185 n=sk_X509_NAME_ENTRY_num(sk);
186 if (loc > n) loc=n;
187 else if (loc < 0) loc=n;
188
189 name->modified=1;
190
191 if (set == -1)
192 {
193 if (loc == 0)
194 {
195 set=0;
196 inc=1;
197 }
198 else
199 {
200 set=sk_X509_NAME_ENTRY_value(sk,loc-1)->set;
201 inc=0;
202 }
203 }
204 else /* if (set >= 0) */
205 {
206 if (loc >= n)
207 {
208 if (loc != 0)
209 set=sk_X509_NAME_ENTRY_value(sk,loc-1)->set+1;
210 else
211 set=0;
212 }
213 else
214 set=sk_X509_NAME_ENTRY_value(sk,loc)->set;
215 inc=(set == 0)?1:0;
216 }
217
218 if ((new_name=X509_NAME_ENTRY_dup(ne)) == NULL)
219 goto err;
220 new_name->set=set;
221 if (!sk_X509_NAME_ENTRY_insert(sk,new_name,loc))
222 {
223 X509err(X509_F_X509_NAME_ADD_ENTRY,ERR_R_MALLOC_FAILURE);
224 goto err;
225 }
226 if (inc)
227 {
228 n=sk_X509_NAME_ENTRY_num(sk);
229 for (i=loc+1; i<n; i++)
230 sk_X509_NAME_ENTRY_value(sk,i-1)->set+=1;
231 }
232 return(1);
233err:
234 if (new_name != NULL)
235 X509_NAME_ENTRY_free(new_name);
236 return(0);
237 }
238
239X509_NAME_ENTRY *X509_NAME_ENTRY_create_by_NID(X509_NAME_ENTRY **ne, int nid,
240 int type, unsigned char *bytes, int len)
241 {
242 ASN1_OBJECT *obj;
243
244 obj=OBJ_nid2obj(nid);
245 if (obj == NULL)
246 {
247 X509err(X509_F_X509_NAME_ENTRY_CREATE_BY_NID,X509_R_UNKNOWN_NID);
248 return(NULL);
249 }
250 return(X509_NAME_ENTRY_create_by_OBJ(ne,obj,type,bytes,len));
251 }
252
253X509_NAME_ENTRY *X509_NAME_ENTRY_create_by_OBJ(X509_NAME_ENTRY **ne,
254 ASN1_OBJECT *obj, int type, unsigned char *bytes, int len)
255 {
256 X509_NAME_ENTRY *ret;
257
258 if ((ne == NULL) || (*ne == NULL))
259 {
260 if ((ret=X509_NAME_ENTRY_new()) == NULL)
261 return(NULL);
262 }
263 else
264 ret= *ne;
265
266 if (!X509_NAME_ENTRY_set_object(ret,obj))
267 goto err;
268 if (!X509_NAME_ENTRY_set_data(ret,type,bytes,len))
269 goto err;
270
271 if ((ne != NULL) && (*ne == NULL)) *ne=ret;
272 return(ret);
273err:
274 if ((ne == NULL) || (ret != *ne))
275 X509_NAME_ENTRY_free(ret);
276 return(NULL);
277 }
278
279int X509_NAME_ENTRY_set_object(X509_NAME_ENTRY *ne, ASN1_OBJECT *obj)
280 {
281 if ((ne == NULL) || (obj == NULL))
282 {
283 X509err(X509_F_X509_NAME_ENTRY_SET_OBJECT,ERR_R_PASSED_NULL_PARAMETER);
284 return(0);
285 }
286 ASN1_OBJECT_free(ne->object);
287 ne->object=OBJ_dup(obj);
288 return((ne->object == NULL)?0:1);
289 }
290
291int X509_NAME_ENTRY_set_data(X509_NAME_ENTRY *ne, int type,
292 unsigned char *bytes, int len)
293 {
294 int i;
295
296 if ((ne == NULL) || ((bytes == NULL) && (len != 0))) return(0);
297 if (len < 0) len=strlen((char *)bytes);
298 i=ASN1_STRING_set(ne->value,bytes,len);
299 if (!i) return(0);
300 if (type != V_ASN1_UNDEF)
301 {
302 if (type == V_ASN1_APP_CHOOSE)
303 ne->value->type=ASN1_PRINTABLE_type(bytes,len);
304 else
305 ne->value->type=type;
306 }
307 return(1);
308 }
309
310ASN1_OBJECT *X509_NAME_ENTRY_get_object(X509_NAME_ENTRY *ne)
311 {
312 if (ne == NULL) return(NULL);
313 return(ne->object);
314 }
315
316ASN1_STRING *X509_NAME_ENTRY_get_data(X509_NAME_ENTRY *ne)
317 {
318 if (ne == NULL) return(NULL);
319 return(ne->value);
320 }
321
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