More extension code. Incomplete support for subject and issuer alt
[openssl.git] / crypto / x509v3 / v3_genn.c
1 /* v3_genn.c */
2 /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
3  * project 1999.
4  */
5 /* ====================================================================
6  * Copyright (c) 1999 The OpenSSL Project.  All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  *
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer. 
14  *
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in
17  *    the documentation and/or other materials provided with the
18  *    distribution.
19  *
20  * 3. All advertising materials mentioning features or use of this
21  *    software must display the following acknowledgment:
22  *    "This product includes software developed by the OpenSSL Project
23  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
24  *
25  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26  *    endorse or promote products derived from this software without
27  *    prior written permission. For written permission, please contact
28  *    licensing@OpenSSL.org.
29  *
30  * 5. Products derived from this software may not be called "OpenSSL"
31  *    nor may "OpenSSL" appear in their names without prior written
32  *    permission of the OpenSSL Project.
33  *
34  * 6. Redistributions of any form whatsoever must retain the following
35  *    acknowledgment:
36  *    "This product includes software developed by the OpenSSL Project
37  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38  *
39  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
43  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50  * OF THE POSSIBILITY OF SUCH DAMAGE.
51  * ====================================================================
52  *
53  * This product includes cryptographic software written by Eric Young
54  * (eay@cryptsoft.com).  This product includes software written by Tim
55  * Hudson (tjh@cryptsoft.com).
56  *
57  */
58
59 #include <stdio.h>
60 #include <stdlib.h>
61 #include <pem.h>
62 #include <asn1_mac.h>
63 #include <err.h>
64 #include <objects.h>
65 #include <conf.h>
66 #include "x509v3.h"
67
68 /*
69  * ASN1err(ASN1_F_GENERAL_NAME_NEW,ERR_R_MALLOC_FAILURE);
70  * ASN1err(ASN1_F_D2I_GENERAL_NAME,ERR_R_MALLOC_FAILURE);
71  */
72
73 int i2d_GENERAL_NAME(a,pp)
74 GENERAL_NAME *a;
75 unsigned char **pp;
76 {
77         unsigned char *p;
78         int ret;
79
80         ret = 0;
81
82         /* Save the location of initial TAG */
83         if(pp) p = *pp;
84         else p = NULL;
85
86         /* GEN_DNAME needs special treatment because of EXPLICIT tag */
87
88         if(a->type == GEN_DIRNAME) {
89                 int v = 0;
90                 M_ASN1_I2D_len_EXP_opt(a->d.dirn, i2d_X509_NAME, 4, v);
91                 if(!p) return ret;
92                 M_ASN1_I2D_put_EXP_opt(a->d.dirn, i2d_X509_NAME, 4, v);
93                 *pp = p;
94                 return ret;
95         }
96
97         switch(a->type) {
98
99                 case GEN_OTHERNAME:
100                 case GEN_X400:
101                 case GEN_EDIPARTY:
102                 ret = i2d_ASN1_TYPE(a->d.other, pp);
103                 break;
104
105                 case GEN_EMAIL:
106                 case GEN_DNS:
107                 case GEN_URI:
108                 ret = i2d_ASN1_IA5STRING(a->d.ia5, pp);
109                 break;
110
111                 case GEN_IPADD:
112                 ret = i2d_ASN1_OCTET_STRING(a->d.ip, pp);
113                 break;
114         
115                 case GEN_RID:
116                 ret = i2d_ASN1_OBJECT(a->d.rid, pp);
117                 break;
118         }
119         /* Replace TAG with IMPLICIT value */
120         if(p) *p = (*p & V_ASN1_CONSTRUCTED) | a->type;
121         return ret;
122 }
123
124 GENERAL_NAME *GENERAL_NAME_new()
125 {
126         GENERAL_NAME *ret=NULL;
127         ASN1_CTX c;
128         M_ASN1_New_Malloc(ret, GENERAL_NAME);
129         ret->type = -1;
130         ret->d.ptr = NULL;
131         return (ret);
132         M_ASN1_New_Error(ASN1_F_GENERAL_NAME_NEW);
133 }
134
135 GENERAL_NAME *d2i_GENERAL_NAME(a,pp,length)
136 GENERAL_NAME **a;
137 unsigned char **pp;
138 long length;
139 {
140         unsigned char _tmp;
141         M_ASN1_D2I_vars(a,GENERAL_NAME *,GENERAL_NAME_new);
142         M_ASN1_D2I_Init();
143         c.slen = length;
144
145         _tmp = M_ASN1_next;
146         ret->type = _tmp & ~V_ASN1_CONSTRUCTED;
147
148         switch(ret->type) {
149                 /* Just put these in a "blob" for now */
150                 case GEN_OTHERNAME:
151                 case GEN_X400:
152                 case GEN_EDIPARTY:
153                 M_ASN1_D2I_get_imp(ret->d.other, d2i_ASN1_TYPE,V_ASN1_SEQUENCE);
154                 break;
155
156                 case GEN_EMAIL:
157                 case GEN_DNS:
158                 case GEN_URI:
159                 M_ASN1_D2I_get_imp(ret->d.ia5, d2i_ASN1_IA5STRING,
160                                                         V_ASN1_IA5STRING);
161                 break;
162
163                 case GEN_DIRNAME:
164                 M_ASN1_D2I_get_EXP_opt(ret->d.dirn, d2i_X509_NAME, 4);
165                 break;
166
167                 case GEN_IPADD:
168                 M_ASN1_D2I_get_imp(ret->d.ip, d2i_ASN1_OCTET_STRING,
169                                                         V_ASN1_OCTET_STRING);
170                 break;
171         
172                 case GEN_RID:
173                 M_ASN1_D2I_get_imp(ret->d.rid, d2i_ASN1_OBJECT,V_ASN1_OBJECT);
174                 break;
175
176                 default:
177                 c.error = ASN1_R_BAD_TAG;
178                 goto err;
179         }
180
181         c.slen = 0;
182         M_ASN1_D2I_Finish(a, GENERAL_NAME_free, ASN1_F_D2I_GENERAL_NAME);
183 }
184
185 void GENERAL_NAME_free(a)
186 GENERAL_NAME *a;
187 {
188         if (a == NULL) return;
189         switch(a->type) {
190                 case GEN_OTHERNAME:
191                 case GEN_X400:
192                 case GEN_EDIPARTY:
193                 ASN1_TYPE_free(a->d.other);
194                 break;
195
196                 case GEN_EMAIL:
197                 case GEN_DNS:
198                 case GEN_URI:
199
200                 ASN1_IA5STRING_free(a->d.ia5);
201                 break;
202
203                 case GEN_DIRNAME:
204                 X509_NAME_free(a->d.dirn);
205                 break;
206
207                 case GEN_IPADD:
208                 ASN1_OCTET_STRING_free(a->d.ip);
209                 break;
210         
211                 case GEN_RID:
212                 ASN1_OBJECT_free(a->d.rid);
213                 break;
214
215         }
216         Free ((char *)a);
217 }
218
219 /* Now the GeneralNames versions: a SEQUENCE OF GeneralName These are needed as
220  * an explicit functions.
221  */
222
223 STACK *GENERAL_NAMES_new()
224 {
225         return sk_new(NULL);
226 }
227
228 void GENERAL_NAMES_free(a)
229 STACK *a;
230 {
231         sk_pop_free(a, GENERAL_NAME_free);
232 }
233
234 STACK *d2i_GENERAL_NAMES(a,pp,length)
235 STACK **a;
236 unsigned char **pp;
237 long length;
238 {
239 return d2i_ASN1_SET(a, pp, length, (char *(*)())d2i_GENERAL_NAME,
240                          GENERAL_NAME_free, V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL);
241 }
242
243 int i2d_GENERAL_NAMES(a,pp)
244 STACK *a;
245 unsigned char **pp;
246 {
247 return i2d_ASN1_SET(a, pp, i2d_GENERAL_NAME, V_ASN1_SEQUENCE,
248                                                  V_ASN1_UNIVERSAL, IS_SEQUENCE);
249 }