4056cf6ea40918803b9b9848cedbc01f4e11f3a2
[openssl.git] / crypto / asn1 / t_req.c
1 /* crypto/asn1/t_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 <openssl/buffer.h>
62 #include <openssl/bn.h>
63 #include <openssl/objects.h>
64 #include <openssl/x509.h>
65 #include <openssl/x509v3.h>
66 #include <openssl/rsa.h>
67 #include <openssl/dsa.h>
68
69 #ifndef OPENSSL_NO_FP_API
70 int X509_REQ_print_fp(FILE *fp, X509_REQ *x)
71         {
72         BIO *b;
73         int ret;
74
75         if ((b=BIO_new(BIO_s_file())) == NULL)
76                 {
77                 X509err(X509_F_X509_REQ_PRINT_FP,ERR_R_BUF_LIB);
78                 return(0);
79                 }
80         BIO_set_fp(b,fp,BIO_NOCLOSE);
81         ret=X509_REQ_print(b, x);
82         BIO_free(b);
83         return(ret);
84         }
85 #endif
86
87 int X509_REQ_print_ex(BIO *bp, X509_REQ *x, unsigned long nmflags, unsigned long cflag)
88         {
89         unsigned long l;
90         int i;
91         const char *neg;
92         X509_REQ_INFO *ri;
93         EVP_PKEY *pkey;
94         STACK_OF(X509_ATTRIBUTE) *sk;
95         STACK_OF(X509_EXTENSION) *exts;
96         char mlch = ' ';
97         int nmindent = 0;
98
99         if((nmflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
100                 mlch = '\n';
101                 nmindent = 12;
102         }
103
104         if(nmflags == X509_FLAG_COMPAT)
105                 nmindent = 16;
106
107
108         ri=x->req_info;
109         if(!(cflag & X509_FLAG_NO_HEADER))
110                 {
111                 if (BIO_write(bp,"Certificate Request:\n",21) <= 0) goto err;
112                 if (BIO_write(bp,"    Data:\n",10) <= 0) goto err;
113                 }
114         if(!(cflag & X509_FLAG_NO_VERSION))
115                 {
116                 neg=(ri->version->type == V_ASN1_NEG_INTEGER)?"-":"";
117                 l=0;
118                 for (i=0; i<ri->version->length; i++)
119                         { l<<=8; l+=ri->version->data[i]; }
120                 if(BIO_printf(bp,"%8sVersion: %s%lu (%s0x%lx)\n","",neg,l,neg,
121                               l) <= 0)
122                     goto err;
123                 }
124         if(!(cflag & X509_FLAG_NO_SUBJECT))
125                 {
126                 if (BIO_printf(bp,"        Subject:%c",mlch) <= 0) goto err;
127                 if (X509_NAME_print_ex(bp,ri->subject,nmindent, nmflags) < 0) goto err;
128                 if (BIO_write(bp,"\n",1) <= 0) goto err;
129                 }
130         if(!(cflag & X509_FLAG_NO_PUBKEY))
131                 {
132                 if (BIO_write(bp,"        Subject Public Key Info:\n",33) <= 0)
133                         goto err;
134                 if (BIO_printf(bp,"%12sPublic Key Algorithm: ","") <= 0)
135                         goto err;
136                 if (i2a_ASN1_OBJECT(bp, ri->pubkey->algor->algorithm) <= 0)
137                         goto err;
138                 if (BIO_puts(bp, "\n") <= 0)
139                         goto err;
140
141                 pkey=X509_REQ_get_pubkey(x);
142                 if (pkey == NULL)
143                         {
144                         BIO_printf(bp,"%12sUnable to load Public Key\n","");
145                         ERR_print_errors(bp);
146                         }
147                 else
148 #ifndef OPENSSL_NO_RSA
149                 if (pkey->type == EVP_PKEY_RSA)
150                         {
151                         BIO_printf(bp,"%12sRSA Public Key: (%d bit)\n","",
152                         BN_num_bits(pkey->pkey.rsa->n));
153                         RSA_print(bp,pkey->pkey.rsa,16);
154                         }
155                 else
156 #endif
157 #ifndef OPENSSL_NO_DSA
158                 if (pkey->type == EVP_PKEY_DSA)
159                         {
160                         BIO_printf(bp,"%12sDSA Public Key:\n","");
161                         DSA_print(bp,pkey->pkey.dsa,16);
162                         }
163                 else
164 #endif
165 #ifndef OPENSSL_NO_EC
166                 if (pkey->type == EVP_PKEY_EC)
167                 {
168                         BIO_printf(bp, "%12sEC Public Key: \n","");
169                         EC_KEY_print(bp, pkey->pkey.eckey, 16);
170                 }
171         else
172 #endif
173                         BIO_printf(bp,"%12sUnknown Public Key:\n","");
174
175                 EVP_PKEY_free(pkey);
176                 }
177
178         if(!(cflag & X509_FLAG_NO_ATTRIBUTES))
179                 {
180                 /* may not be */
181                 if(BIO_printf(bp,"%8sAttributes:\n","") <= 0)
182                     goto err;
183
184                 sk=x->req_info->attributes;
185                 if (sk_X509_ATTRIBUTE_num(sk) == 0)
186                         {
187                         if(BIO_printf(bp,"%12sa0:00\n","") <= 0)
188                             goto err;
189                         }
190                 else
191                         {
192                         for (i=0; i<sk_X509_ATTRIBUTE_num(sk); i++)
193                                 {
194                                 ASN1_TYPE *at;
195                                 X509_ATTRIBUTE *a;
196                                 ASN1_BIT_STRING *bs=NULL;
197                                 ASN1_TYPE *t;
198                                 int j,type=0,count=1,ii=0;
199
200                                 a=sk_X509_ATTRIBUTE_value(sk,i);
201                                 if(X509_REQ_extension_nid(OBJ_obj2nid(a->object)))
202                                                                         continue;
203                                 if(BIO_printf(bp,"%12s","") <= 0)
204                                     goto err;
205                                 if ((j=i2a_ASN1_OBJECT(bp,a->object)) > 0)
206                                 {
207                                 if (a->single)
208                                         {
209                                         t=a->value.single;
210                                         type=t->type;
211                                         bs=t->value.bit_string;
212                                         }
213                                 else
214                                         {
215                                         ii=0;
216                                         count=sk_ASN1_TYPE_num(a->value.set);
217 get_next:
218                                         at=sk_ASN1_TYPE_value(a->value.set,ii);
219                                         type=at->type;
220                                         bs=at->value.asn1_string;
221                                         }
222                                 }
223                                 for (j=25-j; j>0; j--)
224                                         if (BIO_write(bp," ",1) != 1) goto err;
225                                 if (BIO_puts(bp,":") <= 0) goto err;
226                                 if (    (type == V_ASN1_PRINTABLESTRING) ||
227                                         (type == V_ASN1_T61STRING) ||
228                                         (type == V_ASN1_IA5STRING))
229                                         {
230                                         if (BIO_write(bp,(char *)bs->data,bs->length)
231                                                 != bs->length)
232                                                 goto err;
233                                         BIO_puts(bp,"\n");
234                                         }
235                                 else
236                                         {
237                                         BIO_puts(bp,"unable to print attribute\n");
238                                         }
239                                 if (++ii < count) goto get_next;
240                                 }
241                         }
242                 }
243         if(!(cflag & X509_FLAG_NO_ATTRIBUTES))
244                 {
245                 exts = X509_REQ_get_extensions(x);
246                 if(exts)
247                         {
248                         BIO_printf(bp,"%8sRequested Extensions:\n","");
249                         for (i=0; i<sk_X509_EXTENSION_num(exts); i++)
250                                 {
251                                 ASN1_OBJECT *obj;
252                                 X509_EXTENSION *ex;
253                                 int j;
254                                 ex=sk_X509_EXTENSION_value(exts, i);
255                                 if (BIO_printf(bp,"%12s","") <= 0) goto err;
256                                 obj=X509_EXTENSION_get_object(ex);
257                                 i2a_ASN1_OBJECT(bp,obj);
258                                 j=X509_EXTENSION_get_critical(ex);
259                                 if (BIO_printf(bp,": %s\n",j?"critical":"") <= 0)
260                                         goto err;
261                                 if(!X509V3_EXT_print(bp, ex, 0, 16))
262                                         {
263                                         BIO_printf(bp, "%16s", "");
264                                         M_ASN1_OCTET_STRING_print(bp,ex->value);
265                                         }
266                                 if (BIO_write(bp,"\n",1) <= 0) goto err;
267                                 }
268                         sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
269                         }
270                 }
271
272         if(!(cflag & X509_FLAG_NO_SIGDUMP))
273                 {
274                 if(!X509_signature_print(bp, x->sig_alg, x->signature)) goto err;
275                 }
276
277         return(1);
278 err:
279         X509err(X509_F_X509_REQ_PRINT_EX,ERR_R_BUF_LIB);
280         return(0);
281         }
282
283 int X509_REQ_print(BIO *bp, X509_REQ *x)
284         {
285         return X509_REQ_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
286         }