Update LibreSSL from version 2.4.4 => 2.9.1
[dragonfly.git] / crypto / libressl / crypto / asn1 / t_req.c
1 /* $OpenBSD: t_req.c,v 1.19 2017/01/29 17:49:22 beck Exp $ */
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
61 #include <openssl/opensslconf.h>
62
63 #include <openssl/bn.h>
64 #include <openssl/buffer.h>
65 #include <openssl/err.h>
66 #include <openssl/objects.h>
67 #include <openssl/x509.h>
68 #include <openssl/x509v3.h>
69
70 #ifndef OPENSSL_NO_DSA
71 #include <openssl/dsa.h>
72 #endif
73 #ifndef OPENSSL_NO_RSA
74 #include <openssl/rsa.h>
75 #endif
76
77 int
78 X509_REQ_print_fp(FILE *fp, X509_REQ *x)
79 {
80         BIO *b;
81         int ret;
82
83         if ((b = BIO_new(BIO_s_file())) == NULL) {
84                 X509error(ERR_R_BUF_LIB);
85                 return (0);
86         }
87         BIO_set_fp(b, fp, BIO_NOCLOSE);
88         ret = X509_REQ_print(b, x);
89         BIO_free(b);
90         return (ret);
91 }
92
93 int
94 X509_REQ_print_ex(BIO *bp, X509_REQ *x, unsigned long nmflags,
95     unsigned long cflag)
96 {
97         unsigned long l;
98         int i;
99         const char *neg;
100         X509_REQ_INFO *ri;
101         EVP_PKEY *pkey;
102         STACK_OF(X509_ATTRIBUTE) *sk;
103         STACK_OF(X509_EXTENSION) *exts;
104         char mlch = ' ';
105         int nmindent = 0;
106
107         if ((nmflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
108                 mlch = '\n';
109                 nmindent = 12;
110         }
111
112         if (nmflags == X509_FLAG_COMPAT)
113                 nmindent = 16;
114
115         ri = x->req_info;
116         if (!(cflag & X509_FLAG_NO_HEADER)) {
117                 if (BIO_write(bp, "Certificate Request:\n", 21) <= 0)
118                         goto err;
119                 if (BIO_write(bp, "    Data:\n", 10) <= 0)
120
121                         goto err;
122         }
123         if (!(cflag & X509_FLAG_NO_VERSION)) {
124                 neg = (ri->version->type == V_ASN1_NEG_INTEGER) ? "-" : "";
125                 l = 0;
126                 for (i = 0; i < ri->version->length; i++) {
127                         l <<= 8;
128                         l += ri->version->data[i];
129                 }
130                 if (BIO_printf(bp, "%8sVersion: %s%lu (%s0x%lx)\n", "", neg,
131                     l, neg, l) <= 0)
132                         goto err;
133         }
134         if (!(cflag & X509_FLAG_NO_SUBJECT)) {
135                 if (BIO_printf(bp, "        Subject:%c", mlch) <= 0)
136                         goto err;
137                 if (X509_NAME_print_ex(bp, ri->subject, nmindent, nmflags) < 0)
138                         goto err;
139                 if (BIO_write(bp, "\n", 1) <= 0)
140                         goto err;
141         }
142         if (!(cflag & X509_FLAG_NO_PUBKEY)) {
143                 if (BIO_write(bp, "        Subject Public Key Info:\n",
144                     33) <= 0)
145                         goto err;
146                 if (BIO_printf(bp, "%12sPublic Key Algorithm: ", "") <= 0)
147                         goto err;
148                 if (i2a_ASN1_OBJECT(bp, ri->pubkey->algor->algorithm) <= 0)
149                         goto err;
150                 if (BIO_puts(bp, "\n") <= 0)
151                         goto err;
152
153                 pkey = X509_REQ_get_pubkey(x);
154                 if (pkey == NULL) {
155                         BIO_printf(bp, "%12sUnable to load Public Key\n", "");
156                         ERR_print_errors(bp);
157                 } else {
158                         EVP_PKEY_print_public(bp, pkey, 16, NULL);
159                         EVP_PKEY_free(pkey);
160                 }
161         }
162
163         if (!(cflag & X509_FLAG_NO_ATTRIBUTES)) {
164                 /* may not be */
165                 if (BIO_printf(bp, "%8sAttributes:\n", "") <= 0)
166                         goto err;
167
168                 sk = x->req_info->attributes;
169                 if (sk_X509_ATTRIBUTE_num(sk) == 0) {
170                         if (BIO_printf(bp, "%12sa0:00\n", "") <= 0)
171                                 goto err;
172                 } else {
173                         for (i = 0; i < sk_X509_ATTRIBUTE_num(sk); i++) {
174                                 ASN1_TYPE *at;
175                                 X509_ATTRIBUTE *a;
176                                 ASN1_BIT_STRING *bs = NULL;
177                                 ASN1_TYPE *t;
178                                 int j, type = 0, count = 1, ii = 0;
179
180                                 a = sk_X509_ATTRIBUTE_value(sk, i);
181                                 if (X509_REQ_extension_nid(
182                                     OBJ_obj2nid(a->object)))
183                                         continue;
184                                 if (BIO_printf(bp, "%12s", "") <= 0)
185                                         goto err;
186                                 if ((j = i2a_ASN1_OBJECT(bp, a->object)) > 0) {
187                                         if (a->single) {
188                                                 t = a->value.single;
189                                                 type = t->type;
190                                                 bs = t->value.bit_string;
191                                         } else {
192                                                 ii = 0;
193                                                 count = sk_ASN1_TYPE_num(
194                                                     a->value.set);
195 get_next:
196                                                 at = sk_ASN1_TYPE_value(
197                                                     a->value.set, ii);
198                                                 type = at->type;
199                                                 bs = at->value.asn1_string;
200                                         }
201                                 }
202                                 for (j = 25 - j; j > 0; j--)
203                                         if (BIO_write(bp, " ", 1) != 1)
204                                                 goto err;
205                                 if (BIO_puts(bp, ":") <= 0)
206                                         goto err;
207                                 if ((type == V_ASN1_PRINTABLESTRING) ||
208                                     (type == V_ASN1_T61STRING) ||
209                                     (type == V_ASN1_IA5STRING)) {
210                                         if (BIO_write(bp, (char *)bs->data,
211                                             bs->length) != bs->length)
212                                                 goto err;
213                                         BIO_puts(bp, "\n");
214                                 } else {
215                                         BIO_puts(bp,
216                                             "unable to print attribute\n");
217                                 }
218                                 if (++ii < count)
219                                         goto get_next;
220                         }
221                 }
222         }
223         if (!(cflag & X509_FLAG_NO_EXTENSIONS)) {
224                 exts = X509_REQ_get_extensions(x);
225                 if (exts) {
226                         BIO_printf(bp, "%8sRequested Extensions:\n", "");
227                         for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
228                                 ASN1_OBJECT *obj;
229                                 X509_EXTENSION *ex;
230                                 int j;
231                                 ex = sk_X509_EXTENSION_value(exts, i);
232                                 if (BIO_printf(bp, "%12s", "") <= 0)
233                                         goto err;
234                                 obj = X509_EXTENSION_get_object(ex);
235                                 i2a_ASN1_OBJECT(bp, obj);
236                                 j = X509_EXTENSION_get_critical(ex);
237                                 if (BIO_printf(bp, ": %s\n",
238                                     j ? "critical" : "") <= 0)
239                                         goto err;
240                                 if (!X509V3_EXT_print(bp, ex, cflag, 16)) {
241                                         BIO_printf(bp, "%16s", "");
242                                         ASN1_STRING_print(bp, ex->value);
243                                 }
244                                 if (BIO_write(bp, "\n", 1) <= 0)
245                                         goto err;
246                         }
247                         sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
248                 }
249         }
250
251         if (!(cflag & X509_FLAG_NO_SIGDUMP)) {
252                 if (!X509_signature_print(bp, x->sig_alg, x->signature))
253                         goto err;
254         }
255
256         return (1);
257
258 err:
259         X509error(ERR_R_BUF_LIB);
260         return (0);
261 }
262
263 int
264 X509_REQ_print(BIO *bp, X509_REQ *x)
265 {
266         return X509_REQ_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
267 }