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 <assert.h>
58 #include <stdio.h>
59
60 #include <openssl/bn.h>
61 #include <openssl/buffer.h>
62 #include <openssl/err.h>
63 #include <openssl/objects.h>
64 #include <openssl/x509.h>
65 #include <openssl/x509v3.h>
66
67 #include "internal.h"
68
69
X509_REQ_print_fp(FILE * fp,X509_REQ * x)70 int X509_REQ_print_fp(FILE *fp, X509_REQ *x) {
71 BIO *bio = BIO_new_fp(fp, BIO_NOCLOSE);
72 if (bio == NULL) {
73 OPENSSL_PUT_ERROR(X509, ERR_R_BUF_LIB);
74 return 0;
75 }
76 int ret = X509_REQ_print(bio, x);
77 BIO_free(bio);
78 return ret;
79 }
80
X509_REQ_print_ex(BIO * bio,X509_REQ * x,unsigned long nmflags,unsigned long cflag)81 int X509_REQ_print_ex(BIO *bio, X509_REQ *x, unsigned long nmflags,
82 unsigned long cflag) {
83 long l;
84 EVP_PKEY *pkey;
85 STACK_OF(X509_ATTRIBUTE) *sk;
86 char mlch = ' ';
87
88 int nmindent = 0;
89
90 if ((nmflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
91 mlch = '\n';
92 nmindent = 12;
93 }
94
95 if (nmflags == X509_FLAG_COMPAT) {
96 nmindent = 16;
97 }
98
99 X509_REQ_INFO *ri = x->req_info;
100 if (!(cflag & X509_FLAG_NO_HEADER)) {
101 if (BIO_write(bio, "Certificate Request:\n", 21) <= 0 ||
102 BIO_write(bio, " Data:\n", 10) <= 0) {
103 goto err;
104 }
105 }
106 if (!(cflag & X509_FLAG_NO_VERSION)) {
107 l = X509_REQ_get_version(x);
108 // Only zero, |X509_REQ_VERSION_1|, is valid but our parser accepts some
109 // invalid values for compatibility.
110 assert(0 <= l && l <= 2);
111 if (BIO_printf(bio, "%8sVersion: %ld (0x%lx)\n", "", l + 1,
112 (unsigned long)l) <= 0) {
113 goto err;
114 }
115 }
116 if (!(cflag & X509_FLAG_NO_SUBJECT)) {
117 if (BIO_printf(bio, " Subject:%c", mlch) <= 0 ||
118 X509_NAME_print_ex(bio, ri->subject, nmindent, nmflags) < 0 ||
119 BIO_write(bio, "\n", 1) <= 0) {
120 goto err;
121 }
122 }
123 if (!(cflag & X509_FLAG_NO_PUBKEY)) {
124 if (BIO_write(bio, " Subject Public Key Info:\n", 33) <= 0 ||
125 BIO_printf(bio, "%12sPublic Key Algorithm: ", "") <= 0 ||
126 i2a_ASN1_OBJECT(bio, ri->pubkey->algor->algorithm) <= 0 ||
127 BIO_puts(bio, "\n") <= 0) {
128 goto err;
129 }
130
131 pkey = X509_REQ_get_pubkey(x);
132 if (pkey == NULL) {
133 BIO_printf(bio, "%12sUnable to load Public Key\n", "");
134 ERR_print_errors(bio);
135 } else {
136 EVP_PKEY_print_public(bio, pkey, 16, NULL);
137 EVP_PKEY_free(pkey);
138 }
139 }
140
141 if (!(cflag & X509_FLAG_NO_ATTRIBUTES)) {
142 if (BIO_printf(bio, "%8sAttributes:\n", "") <= 0) {
143 goto err;
144 }
145
146 sk = x->req_info->attributes;
147 if (sk_X509_ATTRIBUTE_num(sk) == 0) {
148 if (BIO_printf(bio, "%12sa0:00\n", "") <= 0) {
149 goto err;
150 }
151 } else {
152 size_t i;
153 for (i = 0; i < sk_X509_ATTRIBUTE_num(sk); i++) {
154 X509_ATTRIBUTE *a = sk_X509_ATTRIBUTE_value(sk, i);
155 ASN1_OBJECT *aobj = X509_ATTRIBUTE_get0_object(a);
156
157 if (X509_REQ_extension_nid(OBJ_obj2nid(aobj))) {
158 continue;
159 }
160
161 if (BIO_printf(bio, "%12s", "") <= 0) {
162 goto err;
163 }
164
165 const int num_attrs = X509_ATTRIBUTE_count(a);
166 const int obj_str_len = i2a_ASN1_OBJECT(bio, aobj);
167 if (obj_str_len <= 0) {
168 if (BIO_puts(bio, "(Unable to print attribute ID.)\n") < 0) {
169 goto err;
170 } else {
171 continue;
172 }
173 }
174
175 int j;
176 for (j = 0; j < num_attrs; j++) {
177 const ASN1_TYPE *at = X509_ATTRIBUTE_get0_type(a, j);
178 const int type = at->type;
179 ASN1_BIT_STRING *bs = at->value.asn1_string;
180
181 int k;
182 for (k = 25 - obj_str_len; k > 0; k--) {
183 if (BIO_write(bio, " ", 1) != 1) {
184 goto err;
185 }
186 }
187
188 if (BIO_puts(bio, ":") <= 0) {
189 goto err;
190 }
191
192 if (type == V_ASN1_PRINTABLESTRING || type == V_ASN1_UTF8STRING ||
193 type == V_ASN1_IA5STRING || type == V_ASN1_T61STRING) {
194 if (BIO_write(bio, (char *)bs->data, bs->length) != bs->length) {
195 goto err;
196 }
197 BIO_puts(bio, "\n");
198 } else {
199 BIO_puts(bio, "unable to print attribute\n");
200 }
201 }
202 }
203 }
204 }
205
206 if (!(cflag & X509_FLAG_NO_EXTENSIONS)) {
207 STACK_OF(X509_EXTENSION) *exts = X509_REQ_get_extensions(x);
208 if (exts) {
209 BIO_printf(bio, "%8sRequested Extensions:\n", "");
210
211 for (size_t i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
212 const X509_EXTENSION *ex = sk_X509_EXTENSION_value(exts, i);
213 if (BIO_printf(bio, "%12s", "") <= 0) {
214 goto err;
215 }
216 const ASN1_OBJECT *obj = X509_EXTENSION_get_object(ex);
217 i2a_ASN1_OBJECT(bio, obj);
218 const int is_critical = X509_EXTENSION_get_critical(ex);
219 if (BIO_printf(bio, ": %s\n", is_critical ? "critical" : "") <= 0) {
220 goto err;
221 }
222 if (!X509V3_EXT_print(bio, ex, cflag, 16)) {
223 BIO_printf(bio, "%16s", "");
224 ASN1_STRING_print(bio, X509_EXTENSION_get_data(ex));
225 }
226 if (BIO_write(bio, "\n", 1) <= 0) {
227 goto err;
228 }
229 }
230 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
231 }
232 }
233
234 if (!(cflag & X509_FLAG_NO_SIGDUMP) &&
235 !X509_signature_print(bio, x->sig_alg, x->signature)) {
236 goto err;
237 }
238
239 return 1;
240
241 err:
242 OPENSSL_PUT_ERROR(X509, ERR_R_BUF_LIB);
243 return 0;
244 }
245
X509_REQ_print(BIO * bio,X509_REQ * req)246 int X509_REQ_print(BIO *bio, X509_REQ *req) {
247 return X509_REQ_print_ex(bio, req, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
248 }
249