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[openssl.git] / crypto / asn1 / x_req.c
1 /* crypto/asn1/x_req.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 "cryptlib.h"
61 #include "asn1_mac.h"
62 #include "x509.h"
63
64 /*
65  * ASN1err(ASN1_F_D2I_X509_REQ,ERR_R_ASN1_LENGTH_MISMATCH);
66  * ASN1err(ASN1_F_D2I_X509_REQ_INFO,ERR_R_ASN1_LENGTH_MISMATCH);
67  * ASN1err(ASN1_F_X509_REQ_NEW,ERR_R_ASN1_LENGTH_MISMATCH);
68  * ASN1err(ASN1_F_X509_REQ_INFO_NEW,ERR_R_ASN1_LENGTH_MISMATCH);
69  */
70
71 int i2d_X509_REQ_INFO(a,pp)
72 X509_REQ_INFO *a;
73 unsigned char **pp;
74         {
75         M_ASN1_I2D_vars(a);
76
77         M_ASN1_I2D_len(a->version,              i2d_ASN1_INTEGER);
78         M_ASN1_I2D_len(a->subject,              i2d_X509_NAME);
79         M_ASN1_I2D_len(a->pubkey,               i2d_X509_PUBKEY);
80
81         /* this is a *nasty* hack reported to be required to
82          * allow some CA Software to accept the cert request.
83          * It is not following the PKCS standards ...
84          * PKCS#10 pg 5
85          * attributes [0] IMPLICIT Attibutes
86          * NOTE: no OPTIONAL ... so it *must* be there
87          */
88         if (a->req_kludge) 
89                 {
90                 M_ASN1_I2D_len_IMP_set_opt(a->attributes,i2d_X509_ATTRIBUTE,0);
91                 }
92         else
93                 {
94                 M_ASN1_I2D_len_IMP_set(a->attributes,   i2d_X509_ATTRIBUTE,0);
95                 }
96         
97         M_ASN1_I2D_seq_total();
98         M_ASN1_I2D_put(a->version,              i2d_ASN1_INTEGER);
99         M_ASN1_I2D_put(a->subject,              i2d_X509_NAME);
100         M_ASN1_I2D_put(a->pubkey,               i2d_X509_PUBKEY);
101
102         /* this is a *nasty* hack reported to be required by some CA's.
103          * It is not following the PKCS standards ...
104          * PKCS#10 pg 5
105          * attributes [0] IMPLICIT Attibutes
106          * NOTE: no OPTIONAL ... so it *must* be there
107          */
108         if (a->req_kludge)
109                 {
110                 M_ASN1_I2D_put_IMP_set_opt(a->attributes,i2d_X509_ATTRIBUTE,0);
111                 }
112         else
113                 {
114                 M_ASN1_I2D_put_IMP_set(a->attributes,i2d_X509_ATTRIBUTE,0);
115                 }
116
117         M_ASN1_I2D_finish();
118         }
119
120 X509_REQ_INFO *d2i_X509_REQ_INFO(a,pp,length)
121 X509_REQ_INFO **a;
122 unsigned char **pp;
123 long length;
124         {
125         M_ASN1_D2I_vars(a,X509_REQ_INFO *,X509_REQ_INFO_new);
126
127         M_ASN1_D2I_Init();
128         M_ASN1_D2I_start_sequence();
129         M_ASN1_D2I_get(ret->version,d2i_ASN1_INTEGER);
130         M_ASN1_D2I_get(ret->subject,d2i_X509_NAME);
131         M_ASN1_D2I_get(ret->pubkey,d2i_X509_PUBKEY);
132
133         /* this is a *nasty* hack to allow for some CA's that
134          * have been reported as requiring it.
135          * It is not following the PKCS standards ...
136          * PKCS#10 pg 5
137          * attributes [0] IMPLICIT Attibutes
138          * NOTE: no OPTIONAL ... so it *must* be there
139          */
140         if (asn1_Finish(&c))
141                 ret->req_kludge=1;
142         else
143                 {
144                 M_ASN1_D2I_get_IMP_set(ret->attributes,d2i_X509_ATTRIBUTE,
145                         X509_ATTRIBUTE_free,0);
146                 }
147
148         M_ASN1_D2I_Finish(a,X509_REQ_INFO_free,ASN1_F_D2I_X509_REQ_INFO);
149         }
150
151 X509_REQ_INFO *X509_REQ_INFO_new()
152         {
153         X509_REQ_INFO *ret=NULL;
154         ASN1_CTX c;
155
156         M_ASN1_New_Malloc(ret,X509_REQ_INFO);
157         M_ASN1_New(ret->version,ASN1_INTEGER_new);
158         M_ASN1_New(ret->subject,X509_NAME_new);
159         M_ASN1_New(ret->pubkey,X509_PUBKEY_new);
160         M_ASN1_New(ret->attributes,sk_new_null);
161         ret->req_kludge=0;
162         return(ret);
163         M_ASN1_New_Error(ASN1_F_X509_REQ_INFO_NEW);
164         }
165         
166 void X509_REQ_INFO_free(a)
167 X509_REQ_INFO *a;
168         {
169         if (a == NULL) return;
170         ASN1_INTEGER_free(a->version);
171         X509_NAME_free(a->subject);
172         X509_PUBKEY_free(a->pubkey);
173         sk_pop_free(a->attributes,X509_ATTRIBUTE_free);
174         Free((char *)a);
175         }
176
177 int i2d_X509_REQ(a,pp)
178 X509_REQ *a;
179 unsigned char **pp;
180         {
181         M_ASN1_I2D_vars(a);
182         M_ASN1_I2D_len(a->req_info,     i2d_X509_REQ_INFO);
183         M_ASN1_I2D_len(a->sig_alg,      i2d_X509_ALGOR);
184         M_ASN1_I2D_len(a->signature,    i2d_ASN1_BIT_STRING);
185
186         M_ASN1_I2D_seq_total();
187
188         M_ASN1_I2D_put(a->req_info,     i2d_X509_REQ_INFO);
189         M_ASN1_I2D_put(a->sig_alg,      i2d_X509_ALGOR);
190         M_ASN1_I2D_put(a->signature,    i2d_ASN1_BIT_STRING);
191
192         M_ASN1_I2D_finish();
193         }
194
195 X509_REQ *d2i_X509_REQ(a,pp,length)
196 X509_REQ **a;
197 unsigned char **pp;
198 long length;
199         {
200         M_ASN1_D2I_vars(a,X509_REQ *,X509_REQ_new);
201
202         M_ASN1_D2I_Init();
203         M_ASN1_D2I_start_sequence();
204         M_ASN1_D2I_get(ret->req_info,d2i_X509_REQ_INFO);
205         M_ASN1_D2I_get(ret->sig_alg,d2i_X509_ALGOR);
206         M_ASN1_D2I_get(ret->signature,d2i_ASN1_BIT_STRING);
207         M_ASN1_D2I_Finish(a,X509_REQ_free,ASN1_F_D2I_X509_REQ);
208         }
209
210 X509_REQ *X509_REQ_new()
211         {
212         X509_REQ *ret=NULL;
213         ASN1_CTX c;
214
215         M_ASN1_New_Malloc(ret,X509_REQ);
216         ret->references=1;
217         M_ASN1_New(ret->req_info,X509_REQ_INFO_new);
218         M_ASN1_New(ret->sig_alg,X509_ALGOR_new);
219         M_ASN1_New(ret->signature,ASN1_BIT_STRING_new);
220         return(ret);
221         M_ASN1_New_Error(ASN1_F_X509_REQ_NEW);
222         }
223
224 void X509_REQ_free(a)
225 X509_REQ *a;
226         {
227         int i;
228
229         if (a == NULL) return;
230
231         i=CRYPTO_add(&a->references,-1,CRYPTO_LOCK_X509_REQ);
232 #ifdef REF_PRINT
233         REF_PRINT("X509_REQ",a);
234 #endif
235         if (i > 0) return;
236 #ifdef REF_CHECK
237         if (i < 0)
238                 {
239                 fprintf(stderr,"X509_REQ_free, bad reference count\n");
240                 abort();
241                 }
242 #endif
243
244         X509_REQ_INFO_free(a->req_info);
245         X509_ALGOR_free(a->sig_alg);
246         ASN1_BIT_STRING_free(a->signature);
247         Free((char *)a);
248         }
249
250