1 /* $OpenBSD: t_req.c,v 1.23 2022/08/30 08:45:06 tb 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 #include "x509_lcl.h"
78
79 int
X509_REQ_print_fp(FILE * fp,X509_REQ * x)80 X509_REQ_print_fp(FILE *fp, X509_REQ *x)
81 {
82 BIO *b;
83 int ret;
84
85 if ((b = BIO_new(BIO_s_file())) == NULL) {
86 X509error(ERR_R_BUF_LIB);
87 return (0);
88 }
89 BIO_set_fp(b, fp, BIO_NOCLOSE);
90 ret = X509_REQ_print(b, x);
91 BIO_free(b);
92 return (ret);
93 }
94
95 int
X509_REQ_print_ex(BIO * bp,X509_REQ * x,unsigned long nmflags,unsigned long cflag)96 X509_REQ_print_ex(BIO *bp, X509_REQ *x, unsigned long nmflags,
97 unsigned long cflag)
98 {
99 unsigned long l;
100 int i;
101 const char *neg;
102 X509_REQ_INFO *ri;
103 EVP_PKEY *pkey;
104 STACK_OF(X509_ATTRIBUTE) *sk;
105 STACK_OF(X509_EXTENSION) *exts = NULL;
106 char mlch = ' ';
107 int nmindent = 0;
108
109 if ((nmflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
110 mlch = '\n';
111 nmindent = 12;
112 }
113
114 if (nmflags == X509_FLAG_COMPAT)
115 nmindent = 16;
116
117 ri = x->req_info;
118 if (!(cflag & X509_FLAG_NO_HEADER)) {
119 if (BIO_write(bp, "Certificate Request:\n", 21) <= 0)
120 goto err;
121 if (BIO_write(bp, " Data:\n", 10) <= 0)
122
123 goto err;
124 }
125 if (!(cflag & X509_FLAG_NO_VERSION)) {
126 neg = (ri->version->type == V_ASN1_NEG_INTEGER) ? "-" : "";
127 l = 0;
128 for (i = 0; i < ri->version->length; i++) {
129 l <<= 8;
130 l += ri->version->data[i];
131 }
132 if (BIO_printf(bp, "%8sVersion: %s%lu (%s0x%lx)\n", "", neg,
133 l, neg, l) <= 0)
134 goto err;
135 }
136 if (!(cflag & X509_FLAG_NO_SUBJECT)) {
137 if (BIO_printf(bp, " Subject:%c", mlch) <= 0)
138 goto err;
139 if (X509_NAME_print_ex(bp, ri->subject, nmindent, nmflags) < 0)
140 goto err;
141 if (BIO_write(bp, "\n", 1) <= 0)
142 goto err;
143 }
144 if (!(cflag & X509_FLAG_NO_PUBKEY)) {
145 if (BIO_write(bp, " Subject Public Key Info:\n",
146 33) <= 0)
147 goto err;
148 if (BIO_printf(bp, "%12sPublic Key Algorithm: ", "") <= 0)
149 goto err;
150 if (i2a_ASN1_OBJECT(bp, ri->pubkey->algor->algorithm) <= 0)
151 goto err;
152 if (BIO_puts(bp, "\n") <= 0)
153 goto err;
154
155 pkey = X509_REQ_get_pubkey(x);
156 if (pkey == NULL) {
157 BIO_printf(bp, "%12sUnable to load Public Key\n", "");
158 ERR_print_errors(bp);
159 } else {
160 EVP_PKEY_print_public(bp, pkey, 16, NULL);
161 EVP_PKEY_free(pkey);
162 }
163 }
164
165 if (!(cflag & X509_FLAG_NO_ATTRIBUTES)) {
166 /* may not be */
167 if (BIO_printf(bp, "%8sAttributes:\n", "") <= 0)
168 goto err;
169
170 sk = x->req_info->attributes;
171 if (sk_X509_ATTRIBUTE_num(sk) == 0) {
172 if (BIO_printf(bp, "%12sa0:00\n", "") <= 0)
173 goto err;
174 } else {
175 for (i = 0; i < sk_X509_ATTRIBUTE_num(sk); i++) {
176 ASN1_TYPE *at;
177 X509_ATTRIBUTE *a;
178 ASN1_BIT_STRING *bs = NULL;
179 int j, type = 0, count = 1, ii = 0;
180
181 a = sk_X509_ATTRIBUTE_value(sk, i);
182 if (X509_REQ_extension_nid(
183 OBJ_obj2nid(a->object)))
184 continue;
185 if (BIO_printf(bp, "%12s", "") <= 0)
186 goto err;
187 if ((j = i2a_ASN1_OBJECT(bp, a->object)) > 0) {
188 ii = 0;
189 count = sk_ASN1_TYPE_num(a->set);
190 get_next:
191 at = sk_ASN1_TYPE_value(a->set, ii);
192 type = at->type;
193 bs = at->value.asn1_string;
194 }
195 for (j = 25 - j; j > 0; j--)
196 if (BIO_write(bp, " ", 1) != 1)
197 goto err;
198 if (BIO_puts(bp, ":") <= 0)
199 goto err;
200 if ((type == V_ASN1_PRINTABLESTRING) ||
201 (type == V_ASN1_T61STRING) ||
202 (type == V_ASN1_IA5STRING)) {
203 if (BIO_write(bp, (char *)bs->data,
204 bs->length) != bs->length)
205 goto err;
206 BIO_puts(bp, "\n");
207 } else {
208 BIO_puts(bp,
209 "unable to print attribute\n");
210 }
211 if (++ii < count)
212 goto get_next;
213 }
214 }
215 }
216 if (!(cflag & X509_FLAG_NO_EXTENSIONS)) {
217 exts = X509_REQ_get_extensions(x);
218 if (exts) {
219 BIO_printf(bp, "%8sRequested Extensions:\n", "");
220 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
221 ASN1_OBJECT *obj;
222 X509_EXTENSION *ex;
223 int j;
224 ex = sk_X509_EXTENSION_value(exts, i);
225 if (BIO_printf(bp, "%12s", "") <= 0)
226 goto err;
227 obj = X509_EXTENSION_get_object(ex);
228 i2a_ASN1_OBJECT(bp, obj);
229 j = X509_EXTENSION_get_critical(ex);
230 if (BIO_printf(bp, ": %s\n",
231 j ? "critical" : "") <= 0)
232 goto err;
233 if (!X509V3_EXT_print(bp, ex, cflag, 16)) {
234 BIO_printf(bp, "%16s", "");
235 ASN1_STRING_print(bp, ex->value);
236 }
237 if (BIO_write(bp, "\n", 1) <= 0)
238 goto err;
239 }
240 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
241 exts = NULL;
242 }
243 }
244
245 if (!(cflag & X509_FLAG_NO_SIGDUMP)) {
246 if (!X509_signature_print(bp, x->sig_alg, x->signature))
247 goto err;
248 }
249
250 return (1);
251
252 err:
253 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
254 X509error(ERR_R_BUF_LIB);
255 return (0);
256 }
257
258 int
X509_REQ_print(BIO * bp,X509_REQ * x)259 X509_REQ_print(BIO *bp, X509_REQ *x)
260 {
261 return X509_REQ_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
262 }
263