Replace the macros in asn1.h with function equivalents. Also make UTF8Strings
[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
60 #include <stdio.h>
61 #include "cryptlib.h"
62 #include <openssl/asn1.h>
63 #include <openssl/asn1_mac.h>
64 #include <openssl/conf.h>
65 #include <openssl/x509v3.h>
66
67 int i2d_GENERAL_NAME(GENERAL_NAME *a, unsigned char **pp)
68 {
69         unsigned char *p;
70         int ret;
71
72         ret = 0;
73
74         /* Save the location of initial TAG */
75         if(pp) p = *pp;
76         else p = NULL;
77
78         /* GEN_DNAME needs special treatment because of EXPLICIT tag */
79
80         if(a->type == GEN_DIRNAME) {
81                 int v = 0;
82                 M_ASN1_I2D_len_EXP_opt(a->d.dirn, i2d_X509_NAME, 4, v);
83                 if(!p) return ret;
84                 M_ASN1_I2D_put_EXP_opt(a->d.dirn, i2d_X509_NAME, 4, v);
85                 *pp = p;
86                 return ret;
87         }
88
89         switch(a->type) {
90
91                 case GEN_OTHERNAME:
92                 case GEN_X400:
93                 case GEN_EDIPARTY:
94                 ret = i2d_ASN1_TYPE(a->d.other, pp);
95                 break;
96
97                 case GEN_EMAIL:
98                 case GEN_DNS:
99                 case GEN_URI:
100                 ret = i2d_ASN1_IA5STRING(a->d.ia5, pp);
101                 break;
102
103                 case GEN_IPADD:
104                 ret = i2d_ASN1_OCTET_STRING(a->d.ip, pp);
105                 break;
106         
107                 case GEN_RID:
108                 ret = i2d_ASN1_OBJECT(a->d.rid, pp);
109                 break;
110         }
111         /* Replace TAG with IMPLICIT value */
112         if(p) *p = (*p & V_ASN1_CONSTRUCTED) | a->type;
113         return ret;
114 }
115
116 GENERAL_NAME *GENERAL_NAME_new()
117 {
118         GENERAL_NAME *ret=NULL;
119         ASN1_CTX c;
120         M_ASN1_New_Malloc(ret, GENERAL_NAME);
121         ret->type = -1;
122         ret->d.ptr = NULL;
123         return (ret);
124         M_ASN1_New_Error(ASN1_F_GENERAL_NAME_NEW);
125 }
126
127 GENERAL_NAME *d2i_GENERAL_NAME(GENERAL_NAME **a, unsigned char **pp,
128                                                                  long length)
129 {
130         unsigned char _tmp;
131         M_ASN1_D2I_vars(a,GENERAL_NAME *,GENERAL_NAME_new);
132         M_ASN1_D2I_Init();
133         c.slen = length;
134
135         _tmp = M_ASN1_next;
136         ret->type = _tmp & ~V_ASN1_CONSTRUCTED;
137
138         switch(ret->type) {
139                 /* Just put these in a "blob" for now */
140                 case GEN_OTHERNAME:
141                 case GEN_X400:
142                 case GEN_EDIPARTY:
143                 M_ASN1_D2I_get_imp(ret->d.other, d2i_ASN1_TYPE,V_ASN1_SEQUENCE);
144                 break;
145
146                 case GEN_EMAIL:
147                 case GEN_DNS:
148                 case GEN_URI:
149                 M_ASN1_D2I_get_imp(ret->d.ia5, d2i_ASN1_IA5STRING,
150                                                         V_ASN1_IA5STRING);
151                 break;
152
153                 case GEN_DIRNAME:
154                 M_ASN1_D2I_get_EXP_opt(ret->d.dirn, d2i_X509_NAME, 4);
155                 break;
156
157                 case GEN_IPADD:
158                 M_ASN1_D2I_get_imp(ret->d.ip, d2i_ASN1_OCTET_STRING,
159                                                         V_ASN1_OCTET_STRING);
160                 break;
161         
162                 case GEN_RID:
163                 M_ASN1_D2I_get_imp(ret->d.rid, d2i_ASN1_OBJECT,V_ASN1_OBJECT);
164                 break;
165
166                 default:
167                 c.error = ASN1_R_BAD_TAG;
168                 goto err;
169         }
170
171         c.slen = 0;
172         M_ASN1_D2I_Finish(a, GENERAL_NAME_free, ASN1_F_D2I_GENERAL_NAME);
173 }
174
175 void GENERAL_NAME_free(GENERAL_NAME *a)
176 {
177         if (a == NULL) return;
178         switch(a->type) {
179                 case GEN_OTHERNAME:
180                 case GEN_X400:
181                 case GEN_EDIPARTY:
182                 ASN1_TYPE_free(a->d.other);
183                 break;
184
185                 case GEN_EMAIL:
186                 case GEN_DNS:
187                 case GEN_URI:
188
189                 M_ASN1_IA5STRING_free(a->d.ia5);
190                 break;
191
192                 case GEN_DIRNAME:
193                 X509_NAME_free(a->d.dirn);
194                 break;
195
196                 case GEN_IPADD:
197                 M_ASN1_OCTET_STRING_free(a->d.ip);
198                 break;
199         
200                 case GEN_RID:
201                 ASN1_OBJECT_free(a->d.rid);
202                 break;
203
204         }
205         Free ((char *)a);
206 }
207
208 /* Now the GeneralNames versions: a SEQUENCE OF GeneralName These are needed as
209  * an explicit functions.
210  */
211
212 STACK_OF(GENERAL_NAME) *GENERAL_NAMES_new()
213 {
214         return sk_GENERAL_NAME_new(NULL);
215 }
216
217 void GENERAL_NAMES_free(STACK_OF(GENERAL_NAME) *a)
218 {
219         sk_GENERAL_NAME_pop_free(a, GENERAL_NAME_free);
220 }
221
222 STACK_OF(GENERAL_NAME) *d2i_GENERAL_NAMES(STACK_OF(GENERAL_NAME) **a,
223                                          unsigned char **pp, long length)
224 {
225 return d2i_ASN1_SET_OF_GENERAL_NAME(a, pp, length, d2i_GENERAL_NAME,
226                          GENERAL_NAME_free, V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL);
227 }
228
229 int i2d_GENERAL_NAMES(STACK_OF(GENERAL_NAME) *a, unsigned char **pp)
230 {
231 return i2d_ASN1_SET_OF_GENERAL_NAME(a, pp, i2d_GENERAL_NAME, V_ASN1_SEQUENCE,
232                                                  V_ASN1_UNIVERSAL, IS_SEQUENCE);
233 }
234
235 IMPLEMENT_STACK_OF(GENERAL_NAME)
236 IMPLEMENT_ASN1_SET_OF(GENERAL_NAME)
237