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source: vbox/trunk/src/libs/openssl-3.1.4/crypto/x509/t_x509.c@ 102863

Last change on this file since 102863 was 102863, checked in by vboxsync, 13 months ago

openssl-3.1.4: Applied and adjusted our OpenSSL changes to 3.1.3. bugref:10577
File size: 16.5 KB
Line 
1/*
2 * Copyright 1995-2022 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10#include <stdio.h>
11#include "internal/cryptlib.h"
12#include <openssl/buffer.h>
13#include <openssl/bn.h>
14#include <openssl/objects.h>
15#include <openssl/x509.h>
16#include <openssl/x509v3.h>
17#include "crypto/asn1.h"
18#include "crypto/x509.h"
19
20#ifndef OPENSSL_NO_STDIO
21int X509_print_fp(FILE *fp, X509 *x)
22{
23 return X509_print_ex_fp(fp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
24}
25
26int X509_print_ex_fp(FILE *fp, X509 *x, unsigned long nmflag,
27 unsigned long cflag)
28{
29 BIO *b;
30 int ret;
31
32 if ((b = BIO_new(BIO_s_file())) == NULL) {
33 ERR_raise(ERR_LIB_X509, ERR_R_BUF_LIB);
34 return 0;
35 }
36 BIO_set_fp(b, fp, BIO_NOCLOSE);
37 ret = X509_print_ex(b, x, nmflag, cflag);
38 BIO_free(b);
39 return ret;
40}
41#endif
42
43int X509_print(BIO *bp, X509 *x)
44{
45 return X509_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
46}
47
48int X509_print_ex(BIO *bp, X509 *x, unsigned long nmflags,
49 unsigned long cflag)
50{
51 long l;
52 int ret = 0, i;
53 char mlch = ' ';
54 int nmindent = 0, printok = 0;
55 EVP_PKEY *pkey = NULL;
56 const char *neg;
57
58 if ((nmflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
59 mlch = '\n';
60 nmindent = 12;
61 }
62
63 if (nmflags == X509_FLAG_COMPAT) {
64 nmindent = 16;
65 printok = 1;
66 }
67
68 if (!(cflag & X509_FLAG_NO_HEADER)) {
69 if (BIO_write(bp, "Certificate:\n", 13) <= 0)
70 goto err;
71 if (BIO_write(bp, " Data:\n", 10) <= 0)
72 goto err;
73 }
74 if (!(cflag & X509_FLAG_NO_VERSION)) {
75 l = X509_get_version(x);
76 if (l >= X509_VERSION_1 && l <= X509_VERSION_3) {
77 if (BIO_printf(bp, "%8sVersion: %ld (0x%lx)\n", "", l + 1, (unsigned long)l) <= 0)
78 goto err;
79 } else {
80 if (BIO_printf(bp, "%8sVersion: Unknown (%ld)\n", "", l) <= 0)
81 goto err;
82 }
83 }
84 if (!(cflag & X509_FLAG_NO_SERIAL)) {
85 const ASN1_INTEGER *bs = X509_get0_serialNumber(x);
86
87 if (BIO_write(bp, " Serial Number:", 22) <= 0)
88 goto err;
89
90 if (bs->length <= (int)sizeof(long)) {
91 ERR_set_mark();
92 l = ASN1_INTEGER_get(bs);
93 ERR_pop_to_mark();
94 } else {
95 l = -1;
96 }
97 if (l != -1) {
98 unsigned long ul;
99 if (bs->type == V_ASN1_NEG_INTEGER) {
100 ul = 0 - (unsigned long)l;
101 neg = "-";
102 } else {
103 ul = l;
104 neg = "";
105 }
106 if (BIO_printf(bp, " %s%lu (%s0x%lx)\n", neg, ul, neg, ul) <= 0)
107 goto err;
108 } else {
109 neg = (bs->type == V_ASN1_NEG_INTEGER) ? " (Negative)" : "";
110 if (BIO_printf(bp, "\n%12s%s", "", neg) <= 0)
111 goto err;
112
113 for (i = 0; i < bs->length; i++) {
114 if (BIO_printf(bp, "%02x%c", bs->data[i],
115 ((i + 1 == bs->length) ? '\n' : ':')) <= 0)
116 goto err;
117 }
118 }
119
120 }
121
122 if (!(cflag & X509_FLAG_NO_SIGNAME)) {
123 const X509_ALGOR *tsig_alg = X509_get0_tbs_sigalg(x);
124
125 if (BIO_puts(bp, " ") <= 0)
126 goto err;
127 if (X509_signature_print(bp, tsig_alg, NULL) <= 0)
128 goto err;
129 }
130
131 if (!(cflag & X509_FLAG_NO_ISSUER)) {
132 if (BIO_printf(bp, " Issuer:%c", mlch) <= 0)
133 goto err;
134 if (X509_NAME_print_ex(bp, X509_get_issuer_name(x), nmindent, nmflags)
135 < printok)
136 goto err;
137 if (BIO_write(bp, "\n", 1) <= 0)
138 goto err;
139 }
140 if (!(cflag & X509_FLAG_NO_VALIDITY)) {
141 if (BIO_write(bp, " Validity\n", 17) <= 0)
142 goto err;
143 if (BIO_write(bp, " Not Before: ", 24) <= 0)
144 goto err;
145 if (ossl_asn1_time_print_ex(bp, X509_get0_notBefore(x), ASN1_DTFLGS_RFC822) == 0)
146 goto err;
147 if (BIO_write(bp, "\n Not After : ", 25) <= 0)
148 goto err;
149 if (ossl_asn1_time_print_ex(bp, X509_get0_notAfter(x), ASN1_DTFLGS_RFC822) == 0)
150 goto err;
151 if (BIO_write(bp, "\n", 1) <= 0)
152 goto err;
153 }
154 if (!(cflag & X509_FLAG_NO_SUBJECT)) {
155 if (BIO_printf(bp, " Subject:%c", mlch) <= 0)
156 goto err;
157 if (X509_NAME_print_ex
158 (bp, X509_get_subject_name(x), nmindent, nmflags) < printok)
159 goto err;
160 if (BIO_write(bp, "\n", 1) <= 0)
161 goto err;
162 }
163 if (!(cflag & X509_FLAG_NO_PUBKEY)) {
164 X509_PUBKEY *xpkey = X509_get_X509_PUBKEY(x);
165 ASN1_OBJECT *xpoid;
166 X509_PUBKEY_get0_param(&xpoid, NULL, NULL, NULL, xpkey);
167 if (BIO_write(bp, " Subject Public Key Info:\n", 33) <= 0)
168 goto err;
169 if (BIO_printf(bp, "%12sPublic Key Algorithm: ", "") <= 0)
170 goto err;
171 if (i2a_ASN1_OBJECT(bp, xpoid) <= 0)
172 goto err;
173 if (BIO_puts(bp, "\n") <= 0)
174 goto err;
175
176 pkey = X509_get0_pubkey(x);
177 if (pkey == NULL) {
178 BIO_printf(bp, "%12sUnable to load Public Key\n", "");
179 ERR_print_errors(bp);
180 } else {
181 EVP_PKEY_print_public(bp, pkey, 16, NULL);
182 }
183 }
184
185 if (!(cflag & X509_FLAG_NO_IDS)) {
186 const ASN1_BIT_STRING *iuid, *suid;
187 X509_get0_uids(x, &iuid, &suid);
188 if (iuid != NULL) {
189 if (BIO_printf(bp, "%8sIssuer Unique ID: ", "") <= 0)
190 goto err;
191 if (!X509_signature_dump(bp, iuid, 12))
192 goto err;
193 }
194 if (suid != NULL) {
195 if (BIO_printf(bp, "%8sSubject Unique ID: ", "") <= 0)
196 goto err;
197 if (!X509_signature_dump(bp, suid, 12))
198 goto err;
199 }
200 }
201
202 if (!(cflag & X509_FLAG_NO_EXTENSIONS)
203 && !X509V3_extensions_print(bp, "X509v3 extensions",
204 X509_get0_extensions(x), cflag, 8))
205 goto err;
206
207 if (!(cflag & X509_FLAG_NO_SIGDUMP)) {
208 const X509_ALGOR *sig_alg;
209 const ASN1_BIT_STRING *sig;
210 X509_get0_signature(&sig, &sig_alg, x);
211 if (X509_signature_print(bp, sig_alg, sig) <= 0)
212 goto err;
213 }
214 if (!(cflag & X509_FLAG_NO_AUX)) {
215 if (!X509_aux_print(bp, x, 0))
216 goto err;
217 }
218 ret = 1;
219 err:
220 return ret;
221}
222
223int X509_ocspid_print(BIO *bp, X509 *x)
224{
225 unsigned char *der = NULL;
226 unsigned char *dertmp;
227 int derlen;
228 int i;
229 unsigned char SHA1md[SHA_DIGEST_LENGTH];
230 ASN1_BIT_STRING *keybstr;
231 const X509_NAME *subj;
232 EVP_MD *md = NULL;
233
234 if (x == NULL || bp == NULL)
235 return 0;
236 /*
237 * display the hash of the subject as it would appear in OCSP requests
238 */
239 if (BIO_printf(bp, " Subject OCSP hash: ") <= 0)
240 goto err;
241 subj = X509_get_subject_name(x);
242 derlen = i2d_X509_NAME(subj, NULL);
243 if (derlen <= 0)
244 goto err;
245 if ((der = dertmp = OPENSSL_malloc(derlen)) == NULL)
246 goto err;
247 i2d_X509_NAME(subj, &dertmp);
248
249 md = EVP_MD_fetch(x->libctx, SN_sha1, x->propq);
250 if (md == NULL)
251 goto err;
252 if (!EVP_Digest(der, derlen, SHA1md, NULL, md, NULL))
253 goto err;
254 for (i = 0; i < SHA_DIGEST_LENGTH; i++) {
255 if (BIO_printf(bp, "%02X", SHA1md[i]) <= 0)
256 goto err;
257 }
258 OPENSSL_free(der);
259 der = NULL;
260
261 /*
262 * display the hash of the public key as it would appear in OCSP requests
263 */
264 if (BIO_printf(bp, "\n Public key OCSP hash: ") <= 0)
265 goto err;
266
267 keybstr = X509_get0_pubkey_bitstr(x);
268
269 if (keybstr == NULL)
270 goto err;
271
272 if (!EVP_Digest(ASN1_STRING_get0_data(keybstr),
273 ASN1_STRING_length(keybstr), SHA1md, NULL, md, NULL))
274 goto err;
275 for (i = 0; i < SHA_DIGEST_LENGTH; i++) {
276 if (BIO_printf(bp, "%02X", SHA1md[i]) <= 0)
277 goto err;
278 }
279 BIO_printf(bp, "\n");
280 EVP_MD_free(md);
281
282 return 1;
283 err:
284 OPENSSL_free(der);
285 EVP_MD_free(md);
286 return 0;
287}
288
289int X509_signature_dump(BIO *bp, const ASN1_STRING *sig, int indent)
290{
291 const unsigned char *s;
292 int i, n;
293
294 n = sig->length;
295 s = sig->data;
296 for (i = 0; i < n; i++) {
297 if ((i % 18) == 0) {
298 if (i > 0 && BIO_write(bp, "\n", 1) <= 0)
299 return 0;
300 if (BIO_indent(bp, indent, indent) <= 0)
301 return 0;
302 }
303 if (BIO_printf(bp, "%02x%s", s[i], ((i + 1) == n) ? "" : ":") <= 0)
304 return 0;
305 }
306 if (BIO_write(bp, "\n", 1) != 1)
307 return 0;
308
309 return 1;
310}
311
312int X509_signature_print(BIO *bp, const X509_ALGOR *sigalg,
313 const ASN1_STRING *sig)
314{
315 int sig_nid;
316 int indent = 4;
317 if (BIO_printf(bp, "%*sSignature Algorithm: ", indent, "") <= 0)
318 return 0;
319 if (i2a_ASN1_OBJECT(bp, sigalg->algorithm) <= 0)
320 return 0;
321
322 if (sig && BIO_printf(bp, "\n%*sSignature Value:", indent, "") <= 0)
323 return 0;
324 sig_nid = OBJ_obj2nid(sigalg->algorithm);
325 if (sig_nid != NID_undef) {
326 int pkey_nid, dig_nid;
327 const EVP_PKEY_ASN1_METHOD *ameth;
328 if (OBJ_find_sigid_algs(sig_nid, &dig_nid, &pkey_nid)) {
329 ameth = EVP_PKEY_asn1_find(NULL, pkey_nid);
330 if (ameth && ameth->sig_print)
331 return ameth->sig_print(bp, sigalg, sig, indent + 4, 0);
332 }
333 }
334 if (BIO_write(bp, "\n", 1) != 1)
335 return 0;
336 if (sig)
337 return X509_signature_dump(bp, sig, indent + 4);
338 return 1;
339}
340
341int X509_aux_print(BIO *out, X509 *x, int indent)
342{
343 char oidstr[80], first;
344 STACK_OF(ASN1_OBJECT) *trust, *reject;
345 const unsigned char *alias, *keyid;
346 int keyidlen;
347 int i;
348 if (X509_trusted(x) == 0)
349 return 1;
350 trust = X509_get0_trust_objects(x);
351 reject = X509_get0_reject_objects(x);
352 if (trust) {
353 first = 1;
354 BIO_printf(out, "%*sTrusted Uses:\n%*s", indent, "", indent + 2, "");
355 for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++) {
356 if (!first)
357 BIO_puts(out, ", ");
358 else
359 first = 0;
360 OBJ_obj2txt(oidstr, sizeof(oidstr),
361 sk_ASN1_OBJECT_value(trust, i), 0);
362 BIO_puts(out, oidstr);
363 }
364 BIO_puts(out, "\n");
365 } else
366 BIO_printf(out, "%*sNo Trusted Uses.\n", indent, "");
367 if (reject) {
368 first = 1;
369 BIO_printf(out, "%*sRejected Uses:\n%*s", indent, "", indent + 2, "");
370 for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++) {
371 if (!first)
372 BIO_puts(out, ", ");
373 else
374 first = 0;
375 OBJ_obj2txt(oidstr, sizeof(oidstr),
376 sk_ASN1_OBJECT_value(reject, i), 0);
377 BIO_puts(out, oidstr);
378 }
379 BIO_puts(out, "\n");
380 } else
381 BIO_printf(out, "%*sNo Rejected Uses.\n", indent, "");
382 alias = X509_alias_get0(x, &i);
383 if (alias)
384 BIO_printf(out, "%*sAlias: %.*s\n", indent, "", i, alias);
385 keyid = X509_keyid_get0(x, &keyidlen);
386 if (keyid) {
387 BIO_printf(out, "%*sKey Id: ", indent, "");
388 for (i = 0; i < keyidlen; i++)
389 BIO_printf(out, "%s%02X", i ? ":" : "", keyid[i]);
390 BIO_write(out, "\n", 1);
391 }
392 return 1;
393}
394
395/*
396 * Helper functions for improving certificate verification error diagnostics
397 */
398
399int ossl_x509_print_ex_brief(BIO *bio, X509 *cert, unsigned long neg_cflags)
400{
401 unsigned long flags = ASN1_STRFLGS_RFC2253 | ASN1_STRFLGS_ESC_QUOTE |
402 XN_FLAG_SEP_CPLUS_SPC | XN_FLAG_FN_SN;
403
404 if (cert == NULL)
405 return BIO_printf(bio, " (no certificate)\n") > 0;
406 if (BIO_printf(bio, " certificate\n") <= 0
407 || !X509_print_ex(bio, cert, flags, ~X509_FLAG_NO_SUBJECT))
408 return 0;
409 if (X509_check_issued((X509 *)cert, cert) == X509_V_OK) {
410 if (BIO_printf(bio, " self-issued\n") <= 0)
411 return 0;
412 } else {
413 if (BIO_printf(bio, " ") <= 0
414 || !X509_print_ex(bio, cert, flags, ~X509_FLAG_NO_ISSUER))
415 return 0;
416 }
417 if (!X509_print_ex(bio, cert, flags,
418 ~(X509_FLAG_NO_SERIAL | X509_FLAG_NO_VALIDITY)))
419 return 0;
420 if (X509_cmp_current_time(X509_get0_notBefore(cert)) > 0)
421 if (BIO_printf(bio, " not yet valid\n") <= 0)
422 return 0;
423 if (X509_cmp_current_time(X509_get0_notAfter(cert)) < 0)
424 if (BIO_printf(bio, " no more valid\n") <= 0)
425 return 0;
426 return X509_print_ex(bio, cert, flags,
427 ~neg_cflags & ~X509_FLAG_EXTENSIONS_ONLY_KID);
428}
429
430static int print_certs(BIO *bio, const STACK_OF(X509) *certs)
431{
432 int i;
433
434 if (certs == NULL || sk_X509_num(certs) <= 0)
435 return BIO_printf(bio, " (no certificates)\n") >= 0;
436
437 for (i = 0; i < sk_X509_num(certs); i++) {
438 X509 *cert = sk_X509_value(certs, i);
439
440 if (cert != NULL) {
441 if (!ossl_x509_print_ex_brief(bio, cert, 0))
442 return 0;
443 if (!X509V3_extensions_print(bio, NULL,
444 X509_get0_extensions(cert),
445 X509_FLAG_EXTENSIONS_ONLY_KID, 8))
446 return 0;
447 }
448 }
449 return 1;
450}
451
452static int print_store_certs(BIO *bio, X509_STORE *store)
453{
454 if (store != NULL) {
455 STACK_OF(X509) *certs = X509_STORE_get1_all_certs(store);
456 int ret = print_certs(bio, certs);
457
458 sk_X509_pop_free(certs, X509_free);
459 return ret;
460 } else {
461 return BIO_printf(bio, " (no trusted store)\n") >= 0;
462 }
463}
464
465/* Extend the error queue with details on a failed cert verification */
466int X509_STORE_CTX_print_verify_cb(int ok, X509_STORE_CTX *ctx)
467{
468 if (ok == 0 && ctx != NULL) {
469 int cert_error = X509_STORE_CTX_get_error(ctx);
470 BIO *bio = BIO_new(BIO_s_mem()); /* may be NULL */
471
472 BIO_printf(bio, "%s at depth = %d error = %d (%s)\n",
473 X509_STORE_CTX_get0_parent_ctx(ctx) != NULL
474 ? "CRL path validation"
475 : "Certificate verification",
476 X509_STORE_CTX_get_error_depth(ctx),
477 cert_error, X509_verify_cert_error_string(cert_error));
478 {
479 X509_STORE *ts = X509_STORE_CTX_get0_store(ctx);
480 X509_VERIFY_PARAM *vpm = X509_STORE_get0_param(ts);
481 char *str;
482 int idx = 0;
483
484 switch (cert_error) {
485 case X509_V_ERR_HOSTNAME_MISMATCH:
486 BIO_printf(bio, "Expected hostname(s) = ");
487 while ((str = X509_VERIFY_PARAM_get0_host(vpm, idx++)) != NULL)
488 BIO_printf(bio, "%s%s", idx == 1 ? "" : ", ", str);
489 BIO_printf(bio, "\n");
490 break;
491 case X509_V_ERR_EMAIL_MISMATCH:
492 str = X509_VERIFY_PARAM_get0_email(vpm);
493 if (str != NULL)
494 BIO_printf(bio, "Expected email address = %s\n", str);
495 break;
496 case X509_V_ERR_IP_ADDRESS_MISMATCH:
497 str = X509_VERIFY_PARAM_get1_ip_asc(vpm);
498 if (str != NULL)
499 BIO_printf(bio, "Expected IP address = %s\n", str);
500 OPENSSL_free(str);
501 break;
502 default:
503 break;
504 }
505 }
506
507 BIO_printf(bio, "Failure for:\n");
508 ossl_x509_print_ex_brief(bio, X509_STORE_CTX_get_current_cert(ctx),
509 X509_FLAG_NO_EXTENSIONS);
510 if (cert_error == X509_V_ERR_CERT_UNTRUSTED
511 || cert_error == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT
512 || cert_error == X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN
513 || cert_error == X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT
514 || cert_error == X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY
515 || cert_error == X509_V_ERR_UNABLE_TO_GET_CRL_ISSUER
516 || cert_error == X509_V_ERR_STORE_LOOKUP) {
517 BIO_printf(bio, "Non-trusted certs:\n");
518 print_certs(bio, X509_STORE_CTX_get0_untrusted(ctx));
519 BIO_printf(bio, "Certs in trust store:\n");
520 print_store_certs(bio, X509_STORE_CTX_get0_store(ctx));
521 }
522 ERR_raise(ERR_LIB_X509, X509_R_CERTIFICATE_VERIFICATION_FAILED);
523 ERR_add_error_mem_bio("\n", bio);
524 BIO_free(bio);
525 }
526
527 return ok;
528}
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