1/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
2 * All rights reserved.
3 *
4 * This package is an SSL implementation written
5 * by Eric Young (eay@cryptsoft.com).
6 * The implementation was written so as to conform with Netscapes SSL.
7 *
8 * This library is free for commercial and non-commercial use as long as
9 * the following conditions are aheared to. The following conditions
10 * apply to all code found in this distribution, be it the RC4, RSA,
11 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
12 * included with this distribution is covered by the same copyright terms
13 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
14 *
15 * Copyright remains Eric Young's, and as such any Copyright notices in
16 * the code are not to be removed.
17 * If this package is used in a product, Eric Young should be given attribution
18 * as the author of the parts of the library used.
19 * This can be in the form of a textual message at program startup or
20 * in documentation (online or textual) provided with the package.
21 *
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
24 * are met:
25 * 1. Redistributions of source code must retain the copyright
26 * notice, this list of conditions and the following disclaimer.
27 * 2. Redistributions in binary form must reproduce the above copyright
28 * notice, this list of conditions and the following disclaimer in the
29 * documentation and/or other materials provided with the distribution.
30 * 3. All advertising materials mentioning features or use of this software
31 * must display the following acknowledgement:
32 * "This product includes cryptographic software written by
33 * Eric Young (eay@cryptsoft.com)"
34 * The word 'cryptographic' can be left out if the rouines from the library
35 * being used are not cryptographic related :-).
36 * 4. If you include any Windows specific code (or a derivative thereof) from
37 * the apps directory (application code) you must include an acknowledgement:
38 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
39 *
40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
50 * SUCH DAMAGE.
51 *
52 * The licence and distribution terms for any publically available version or
53 * derivative of this code cannot be changed. i.e. this code cannot simply be
54 * copied and put under another distribution licence
55 * [including the GNU Public Licence.] */
56
57#include <stdio.h>
58
59#include <openssl/bn.h>
60#include <openssl/buffer.h>
61#include <openssl/err.h>
62#include <openssl/objects.h>
63#include <openssl/x509.h>
64#include <openssl/x509v3.h>
65
66
67int X509_REQ_print_fp(FILE *fp, X509_REQ *x) {
68 BIO *bio = BIO_new_fp(fp, BIO_NOCLOSE);
69 if (bio == NULL) {
70 OPENSSL_PUT_ERROR(X509, ERR_R_BUF_LIB);
71 return 0;
72 }
73 int ret = X509_REQ_print(bio, x);
74 BIO_free(bio);
75 return ret;
76}
77
78int X509_REQ_print_ex(BIO *bio, X509_REQ *x, unsigned long nmflags,
79 unsigned long cflag) {
80 long l;
81 EVP_PKEY *pkey;
82 STACK_OF(X509_ATTRIBUTE) * sk;
83 char mlch = ' ';
84
85 int nmindent = 0;
86
87 if ((nmflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
88 mlch = '\n';
89 nmindent = 12;
90 }
91
92 if (nmflags == X509_FLAG_COMPAT) {
93 nmindent = 16;
94 }
95
96 X509_REQ_INFO *ri = x->req_info;
97 if (!(cflag & X509_FLAG_NO_HEADER)) {
98 if (BIO_write(bio, "Certificate Request:\n", 21) <= 0 ||
99 BIO_write(bio, " Data:\n", 10) <= 0) {
100 goto err;
101 }
102 }
103 if (!(cflag & X509_FLAG_NO_VERSION)) {
104 l = X509_REQ_get_version(x);
105 if (BIO_printf(bio, "%8sVersion: %ld (0x%lx)\n", "", l + 1, l) <= 0) {
106 goto err;
107 }
108 }
109 if (!(cflag & X509_FLAG_NO_SUBJECT)) {
110 if (BIO_printf(bio, " Subject:%c", mlch) <= 0 ||
111 X509_NAME_print_ex(bio, ri->subject, nmindent, nmflags) < 0 ||
112 BIO_write(bio, "\n", 1) <= 0) {
113 goto err;
114 }
115 }
116 if (!(cflag & X509_FLAG_NO_PUBKEY)) {
117 if (BIO_write(bio, " Subject Public Key Info:\n", 33) <= 0 ||
118 BIO_printf(bio, "%12sPublic Key Algorithm: ", "") <= 0 ||
119 i2a_ASN1_OBJECT(bio, ri->pubkey->algor->algorithm) <= 0 ||
120 BIO_puts(bio, "\n") <= 0) {
121 goto err;
122 }
123
124 pkey = X509_REQ_get_pubkey(x);
125 if (pkey == NULL) {
126 BIO_printf(bio, "%12sUnable to load Public Key\n", "");
127 ERR_print_errors(bio);
128 } else {
129 EVP_PKEY_print_public(bio, pkey, 16, NULL);
130 EVP_PKEY_free(pkey);
131 }
132 }
133
134 if (!(cflag & X509_FLAG_NO_ATTRIBUTES)) {
135 if (BIO_printf(bio, "%8sAttributes:\n", "") <= 0) {
136 goto err;
137 }
138
139 sk = x->req_info->attributes;
140 if (sk_X509_ATTRIBUTE_num(sk) == 0) {
141 if (BIO_printf(bio, "%12sa0:00\n", "") <= 0) {
142 goto err;
143 }
144 } else {
145 size_t i;
146 for (i = 0; i < sk_X509_ATTRIBUTE_num(sk); i++) {
147 X509_ATTRIBUTE *a = sk_X509_ATTRIBUTE_value(sk, i);
148 ASN1_OBJECT *aobj = X509_ATTRIBUTE_get0_object(a);
149
150 if (X509_REQ_extension_nid(OBJ_obj2nid(aobj))) {
151 continue;
152 }
153
154 if (BIO_printf(bio, "%12s", "") <= 0) {
155 goto err;
156 }
157
158 const int num_attrs = X509_ATTRIBUTE_count(a);
159 const int obj_str_len = i2a_ASN1_OBJECT(bio, aobj);
160 if (obj_str_len <= 0) {
161 if (BIO_puts(bio, "(Unable to print attribute ID.)\n") < 0) {
162 goto err;
163 } else {
164 continue;
165 }
166 }
167
168 int j;
169 for (j = 0; j < num_attrs; j++) {
170 const ASN1_TYPE *at = X509_ATTRIBUTE_get0_type(a, j);
171 const int type = at->type;
172 ASN1_BIT_STRING *bs = at->value.asn1_string;
173
174 int k;
175 for (k = 25 - obj_str_len; k > 0; k--) {
176 if (BIO_write(bio, " ", 1) != 1) {
177 goto err;
178 }
179 }
180
181 if (BIO_puts(bio, ":") <= 0) {
182 goto err;
183 }
184
185 if (type == V_ASN1_PRINTABLESTRING ||
186 type == V_ASN1_UTF8STRING ||
187 type == V_ASN1_IA5STRING ||
188 type == V_ASN1_T61STRING) {
189 if (BIO_write(bio, (char *)bs->data, bs->length) != bs->length) {
190 goto err;
191 }
192 BIO_puts(bio, "\n");
193 } else {
194 BIO_puts(bio, "unable to print attribute\n");
195 }
196 }
197 }
198 }
199 }
200
201 if (!(cflag & X509_FLAG_NO_EXTENSIONS)) {
202 STACK_OF(X509_EXTENSION) *exts = X509_REQ_get_extensions(x);
203 if (exts) {
204 BIO_printf(bio, "%8sRequested Extensions:\n", "");
205
206 size_t i;
207 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
208 X509_EXTENSION *ex = sk_X509_EXTENSION_value(exts, i);
209 if (BIO_printf(bio, "%12s", "") <= 0) {
210 goto err;
211 }
212 ASN1_OBJECT *obj = X509_EXTENSION_get_object(ex);
213 i2a_ASN1_OBJECT(bio, obj);
214 const int is_critical = X509_EXTENSION_get_critical(ex);
215 if (BIO_printf(bio, ": %s\n", is_critical ? "critical" : "") <= 0) {
216 goto err;
217 }
218 if (!X509V3_EXT_print(bio, ex, cflag, 16)) {
219 BIO_printf(bio, "%16s", "");
220 ASN1_STRING_print(bio, X509_EXTENSION_get_data(ex));
221 }
222 if (BIO_write(bio, "\n", 1) <= 0) {
223 goto err;
224 }
225 }
226 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
227 }
228 }
229
230 if (!(cflag & X509_FLAG_NO_SIGDUMP) &&
231 !X509_signature_print(bio, x->sig_alg, x->signature)) {
232 goto err;
233 }
234
235 return 1;
236
237err:
238 OPENSSL_PUT_ERROR(X509, ERR_R_BUF_LIB);
239 return 0;
240}
241
242int X509_REQ_print(BIO *bio, X509_REQ *req) {
243 return X509_REQ_print_ex(bio, req, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
244}
245