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
59 #include <openssl/asn1.h>
60 #include <openssl/bio.h>
61 #include <openssl/digest.h>
62 #include <openssl/err.h>
63 #include <openssl/evp.h>
64 #include <openssl/mem.h>
65 #include <openssl/obj.h>
66 #include <openssl/x509.h>
67 #include <openssl/x509v3.h>
68
69 #include "internal.h"
70
71
X509_print_ex_fp(FILE * fp,X509 * x,unsigned long nmflag,unsigned long cflag)72 int X509_print_ex_fp(FILE *fp, X509 *x, unsigned long nmflag,
73 unsigned long cflag) {
74 BIO *b = BIO_new_fp(fp, BIO_NOCLOSE);
75 if (b == NULL) {
76 OPENSSL_PUT_ERROR(X509, ERR_R_BUF_LIB);
77 return 0;
78 }
79 int ret = X509_print_ex(b, x, nmflag, cflag);
80 BIO_free(b);
81 return ret;
82 }
83
X509_print_fp(FILE * fp,X509 * x)84 int X509_print_fp(FILE *fp, X509 *x) {
85 return X509_print_ex_fp(fp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
86 }
87
X509_print(BIO * bp,X509 * x)88 int X509_print(BIO *bp, X509 *x) {
89 return X509_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
90 }
91
X509_print_ex(BIO * bp,X509 * x,unsigned long nmflags,unsigned long cflag)92 int X509_print_ex(BIO *bp, X509 *x, unsigned long nmflags,
93 unsigned long cflag) {
94 char mlch = ' ';
95 int nmindent = 0;
96 if ((nmflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
97 mlch = '\n';
98 nmindent = 12;
99 }
100
101 if (nmflags == X509_FLAG_COMPAT) {
102 nmindent = 16;
103 }
104
105 const X509_CINF *ci = x->cert_info;
106 if (!(cflag & X509_FLAG_NO_HEADER)) {
107 if (BIO_write(bp, "Certificate:\n", 13) <= 0) {
108 return 0;
109 }
110 if (BIO_write(bp, " Data:\n", 10) <= 0) {
111 return 0;
112 }
113 }
114 if (!(cflag & X509_FLAG_NO_VERSION)) {
115 long l = X509_get_version(x);
116 assert(X509_VERSION_1 <= l && l <= X509_VERSION_3);
117 if (BIO_printf(bp, "%8sVersion: %ld (0x%lx)\n", "", l + 1,
118 (unsigned long)l) <= 0) {
119 return 0;
120 }
121 }
122 if (!(cflag & X509_FLAG_NO_SERIAL)) {
123 if (BIO_write(bp, " Serial Number:", 22) <= 0) {
124 return 0;
125 }
126
127 const ASN1_INTEGER *serial = X509_get0_serialNumber(x);
128 uint64_t serial_u64;
129 if (ASN1_INTEGER_get_uint64(&serial_u64, serial)) {
130 assert(serial->type != V_ASN1_NEG_INTEGER);
131 if (BIO_printf(bp, " %" PRIu64 " (0x%" PRIx64 ")\n", serial_u64,
132 serial_u64) <= 0) {
133 return 0;
134 }
135 } else {
136 ERR_clear_error(); // Clear |ASN1_INTEGER_get_uint64|'s error.
137 const char *neg =
138 (serial->type == V_ASN1_NEG_INTEGER) ? " (Negative)" : "";
139 if (BIO_printf(bp, "\n%12s%s", "", neg) <= 0) {
140 return 0;
141 }
142
143 for (int i = 0; i < serial->length; i++) {
144 if (BIO_printf(bp, "%02x%c", serial->data[i],
145 ((i + 1 == serial->length) ? '\n' : ':')) <= 0) {
146 return 0;
147 }
148 }
149 }
150 }
151
152 if (!(cflag & X509_FLAG_NO_SIGNAME)) {
153 if (X509_signature_print(bp, ci->signature, NULL) <= 0) {
154 return 0;
155 }
156 }
157
158 if (!(cflag & X509_FLAG_NO_ISSUER)) {
159 if (BIO_printf(bp, " Issuer:%c", mlch) <= 0) {
160 return 0;
161 }
162 if (X509_NAME_print_ex(bp, X509_get_issuer_name(x), nmindent, nmflags) <
163 0) {
164 return 0;
165 }
166 if (BIO_write(bp, "\n", 1) <= 0) {
167 return 0;
168 }
169 }
170 if (!(cflag & X509_FLAG_NO_VALIDITY)) {
171 if (BIO_write(bp, " Validity\n", 17) <= 0) {
172 return 0;
173 }
174 if (BIO_write(bp, " Not Before: ", 24) <= 0) {
175 return 0;
176 }
177 if (!ASN1_TIME_print(bp, X509_get_notBefore(x))) {
178 return 0;
179 }
180 if (BIO_write(bp, "\n Not After : ", 25) <= 0) {
181 return 0;
182 }
183 if (!ASN1_TIME_print(bp, X509_get_notAfter(x))) {
184 return 0;
185 }
186 if (BIO_write(bp, "\n", 1) <= 0) {
187 return 0;
188 }
189 }
190 if (!(cflag & X509_FLAG_NO_SUBJECT)) {
191 if (BIO_printf(bp, " Subject:%c", mlch) <= 0) {
192 return 0;
193 }
194 if (X509_NAME_print_ex(bp, X509_get_subject_name(x), nmindent, nmflags) <
195 0) {
196 return 0;
197 }
198 if (BIO_write(bp, "\n", 1) <= 0) {
199 return 0;
200 }
201 }
202 if (!(cflag & X509_FLAG_NO_PUBKEY)) {
203 if (BIO_write(bp, " Subject Public Key Info:\n", 33) <= 0) {
204 return 0;
205 }
206 if (BIO_printf(bp, "%12sPublic Key Algorithm: ", "") <= 0) {
207 return 0;
208 }
209 if (i2a_ASN1_OBJECT(bp, ci->key->algor->algorithm) <= 0) {
210 return 0;
211 }
212 if (BIO_puts(bp, "\n") <= 0) {
213 return 0;
214 }
215
216 EVP_PKEY *pkey = X509_get_pubkey(x);
217 if (pkey == NULL) {
218 BIO_printf(bp, "%12sUnable to load Public Key\n", "");
219 ERR_print_errors(bp);
220 } else {
221 EVP_PKEY_print_public(bp, pkey, 16, NULL);
222 EVP_PKEY_free(pkey);
223 }
224 }
225
226 if (!(cflag & X509_FLAG_NO_IDS)) {
227 if (ci->issuerUID) {
228 if (BIO_printf(bp, "%8sIssuer Unique ID: ", "") <= 0) {
229 return 0;
230 }
231 if (!X509_signature_dump(bp, ci->issuerUID, 12)) {
232 return 0;
233 }
234 }
235 if (ci->subjectUID) {
236 if (BIO_printf(bp, "%8sSubject Unique ID: ", "") <= 0) {
237 return 0;
238 }
239 if (!X509_signature_dump(bp, ci->subjectUID, 12)) {
240 return 0;
241 }
242 }
243 }
244
245 if (!(cflag & X509_FLAG_NO_EXTENSIONS)) {
246 X509V3_extensions_print(bp, "X509v3 extensions", ci->extensions, cflag, 8);
247 }
248
249 if (!(cflag & X509_FLAG_NO_SIGDUMP)) {
250 if (X509_signature_print(bp, x->sig_alg, x->signature) <= 0) {
251 return 0;
252 }
253 }
254 if (!(cflag & X509_FLAG_NO_AUX)) {
255 if (!X509_CERT_AUX_print(bp, x->aux, 0)) {
256 return 0;
257 }
258 }
259
260 return 1;
261 }
262
X509_signature_print(BIO * bp,const X509_ALGOR * sigalg,const ASN1_STRING * sig)263 int X509_signature_print(BIO *bp, const X509_ALGOR *sigalg,
264 const ASN1_STRING *sig) {
265 if (BIO_puts(bp, " Signature Algorithm: ") <= 0) {
266 return 0;
267 }
268 if (i2a_ASN1_OBJECT(bp, sigalg->algorithm) <= 0) {
269 return 0;
270 }
271
272 // RSA-PSS signatures have parameters to print.
273 int sig_nid = OBJ_obj2nid(sigalg->algorithm);
274 if (sig_nid == NID_rsassaPss &&
275 !x509_print_rsa_pss_params(bp, sigalg, 9, 0)) {
276 return 0;
277 }
278
279 if (sig) {
280 return X509_signature_dump(bp, sig, 9);
281 } else if (BIO_puts(bp, "\n") <= 0) {
282 return 0;
283 }
284 return 1;
285 }
286
X509_NAME_print(BIO * bp,const X509_NAME * name,int obase)287 int X509_NAME_print(BIO *bp, const X509_NAME *name, int obase) {
288 char *s, *c, *b;
289 int ret = 0, i;
290
291 b = X509_NAME_oneline(name, NULL, 0);
292 if (!b) {
293 return 0;
294 }
295 if (!*b) {
296 OPENSSL_free(b);
297 return 1;
298 }
299 s = b + 1; // skip the first slash
300
301 c = s;
302 for (;;) {
303 if (((*s == '/') && ((s[1] >= 'A') && (s[1] <= 'Z') &&
304 ((s[2] == '=') || ((s[2] >= 'A') && (s[2] <= 'Z') &&
305 (s[3] == '='))))) ||
306 (*s == '\0')) {
307 i = s - c;
308 if (BIO_write(bp, c, i) != i) {
309 goto err;
310 }
311 c = s + 1; // skip following slash
312 if (*s != '\0') {
313 if (BIO_write(bp, ", ", 2) != 2) {
314 goto err;
315 }
316 }
317 }
318 if (*s == '\0') {
319 break;
320 }
321 s++;
322 }
323
324 ret = 1;
325 if (0) {
326 err:
327 OPENSSL_PUT_ERROR(X509, ERR_R_BUF_LIB);
328 }
329 OPENSSL_free(b);
330 return ret;
331 }
332