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source: vbox/trunk/src/libs/openssl-3.1.7/crypto/x509/t_x509.c@ 108344

最後變更 在這個檔案從108344是 104078,由 vboxsync 提交於 12 月 前

openssl-3.1.5: Applied and adjusted our OpenSSL changes to 3.1.4. bugref:10638
檔案大小: 16.5 KB
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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 == XN_FLAG_COMPAT)
64 printok = 1;
65
66 if (!(cflag & X509_FLAG_NO_HEADER)) {
67 if (BIO_write(bp, "Certificate:\n", 13) <= 0)
68 goto err;
69 if (BIO_write(bp, " Data:\n", 10) <= 0)
70 goto err;
71 }
72 if (!(cflag & X509_FLAG_NO_VERSION)) {
73 l = X509_get_version(x);
74 if (l >= X509_VERSION_1 && l <= X509_VERSION_3) {
75 if (BIO_printf(bp, "%8sVersion: %ld (0x%lx)\n", "", l + 1, (unsigned long)l) <= 0)
76 goto err;
77 } else {
78 if (BIO_printf(bp, "%8sVersion: Unknown (%ld)\n", "", l) <= 0)
79 goto err;
80 }
81 }
82 if (!(cflag & X509_FLAG_NO_SERIAL)) {
83 const ASN1_INTEGER *bs = X509_get0_serialNumber(x);
84
85 if (BIO_write(bp, " Serial Number:", 22) <= 0)
86 goto err;
87
88 if (bs->length <= (int)sizeof(long)) {
89 ERR_set_mark();
90 l = ASN1_INTEGER_get(bs);
91 ERR_pop_to_mark();
92 } else {
93 l = -1;
94 }
95 if (l != -1) {
96 unsigned long ul;
97 if (bs->type == V_ASN1_NEG_INTEGER) {
98 ul = 0 - (unsigned long)l;
99 neg = "-";
100 } else {
101 ul = l;
102 neg = "";
103 }
104 if (BIO_printf(bp, " %s%lu (%s0x%lx)\n", neg, ul, neg, ul) <= 0)
105 goto err;
106 } else {
107 neg = (bs->type == V_ASN1_NEG_INTEGER) ? " (Negative)" : "";
108 if (BIO_printf(bp, "\n%12s%s", "", neg) <= 0)
109 goto err;
110
111 for (i = 0; i < bs->length; i++) {
112 if (BIO_printf(bp, "%02x%c", bs->data[i],
113 ((i + 1 == bs->length) ? '\n' : ':')) <= 0)
114 goto err;
115 }
116 }
117
118 }
119
120 if (!(cflag & X509_FLAG_NO_SIGNAME)) {
121 const X509_ALGOR *tsig_alg = X509_get0_tbs_sigalg(x);
122
123 if (BIO_puts(bp, " ") <= 0)
124 goto err;
125 if (X509_signature_print(bp, tsig_alg, NULL) <= 0)
126 goto err;
127 }
128
129 if (!(cflag & X509_FLAG_NO_ISSUER)) {
130 if (BIO_printf(bp, " Issuer:%c", mlch) <= 0)
131 goto err;
132 if (X509_NAME_print_ex(bp, X509_get_issuer_name(x), nmindent, nmflags)
133 < printok)
134 goto err;
135 if (BIO_write(bp, "\n", 1) <= 0)
136 goto err;
137 }
138 if (!(cflag & X509_FLAG_NO_VALIDITY)) {
139 if (BIO_write(bp, " Validity\n", 17) <= 0)
140 goto err;
141 if (BIO_write(bp, " Not Before: ", 24) <= 0)
142 goto err;
143 if (ossl_asn1_time_print_ex(bp, X509_get0_notBefore(x), ASN1_DTFLGS_RFC822) == 0)
144 goto err;
145 if (BIO_write(bp, "\n Not After : ", 25) <= 0)
146 goto err;
147 if (ossl_asn1_time_print_ex(bp, X509_get0_notAfter(x), ASN1_DTFLGS_RFC822) == 0)
148 goto err;
149 if (BIO_write(bp, "\n", 1) <= 0)
150 goto err;
151 }
152 if (!(cflag & X509_FLAG_NO_SUBJECT)) {
153 if (BIO_printf(bp, " Subject:%c", mlch) <= 0)
154 goto err;
155 if (X509_NAME_print_ex
156 (bp, X509_get_subject_name(x), nmindent, nmflags) < printok)
157 goto err;
158 if (BIO_write(bp, "\n", 1) <= 0)
159 goto err;
160 }
161 if (!(cflag & X509_FLAG_NO_PUBKEY)) {
162 X509_PUBKEY *xpkey = X509_get_X509_PUBKEY(x);
163 ASN1_OBJECT *xpoid;
164 X509_PUBKEY_get0_param(&xpoid, NULL, NULL, NULL, xpkey);
165 if (BIO_write(bp, " Subject Public Key Info:\n", 33) <= 0)
166 goto err;
167 if (BIO_printf(bp, "%12sPublic Key Algorithm: ", "") <= 0)
168 goto err;
169 if (i2a_ASN1_OBJECT(bp, xpoid) <= 0)
170 goto err;
171 if (BIO_puts(bp, "\n") <= 0)
172 goto err;
173
174 pkey = X509_get0_pubkey(x);
175 if (pkey == NULL) {
176 BIO_printf(bp, "%12sUnable to load Public Key\n", "");
177 ERR_print_errors(bp);
178 } else {
179 EVP_PKEY_print_public(bp, pkey, 16, NULL);
180 }
181 }
182
183 if (!(cflag & X509_FLAG_NO_IDS)) {
184 const ASN1_BIT_STRING *iuid, *suid;
185 X509_get0_uids(x, &iuid, &suid);
186 if (iuid != NULL) {
187 if (BIO_printf(bp, "%8sIssuer Unique ID: ", "") <= 0)
188 goto err;
189 if (!X509_signature_dump(bp, iuid, 12))
190 goto err;
191 }
192 if (suid != NULL) {
193 if (BIO_printf(bp, "%8sSubject Unique ID: ", "") <= 0)
194 goto err;
195 if (!X509_signature_dump(bp, suid, 12))
196 goto err;
197 }
198 }
199
200 if (!(cflag & X509_FLAG_NO_EXTENSIONS)
201 && !X509V3_extensions_print(bp, "X509v3 extensions",
202 X509_get0_extensions(x), cflag, 8))
203 goto err;
204
205 if (!(cflag & X509_FLAG_NO_SIGDUMP)) {
206 const X509_ALGOR *sig_alg;
207 const ASN1_BIT_STRING *sig;
208 X509_get0_signature(&sig, &sig_alg, x);
209 if (X509_signature_print(bp, sig_alg, sig) <= 0)
210 goto err;
211 }
212 if (!(cflag & X509_FLAG_NO_AUX)) {
213 if (!X509_aux_print(bp, x, 0))
214 goto err;
215 }
216 ret = 1;
217 err:
218 return ret;
219}
220
221int X509_ocspid_print(BIO *bp, X509 *x)
222{
223 unsigned char *der = NULL;
224 unsigned char *dertmp;
225 int derlen;
226 int i;
227 unsigned char SHA1md[SHA_DIGEST_LENGTH];
228 ASN1_BIT_STRING *keybstr;
229 const X509_NAME *subj;
230 EVP_MD *md = NULL;
231
232 if (x == NULL || bp == NULL)
233 return 0;
234 /*
235 * display the hash of the subject as it would appear in OCSP requests
236 */
237 if (BIO_printf(bp, " Subject OCSP hash: ") <= 0)
238 goto err;
239 subj = X509_get_subject_name(x);
240 derlen = i2d_X509_NAME(subj, NULL);
241 if (derlen <= 0)
242 goto err;
243 if ((der = dertmp = OPENSSL_malloc(derlen)) == NULL)
244 goto err;
245 i2d_X509_NAME(subj, &dertmp);
246
247 md = EVP_MD_fetch(x->libctx, SN_sha1, x->propq);
248 if (md == NULL)
249 goto err;
250 if (!EVP_Digest(der, derlen, SHA1md, NULL, md, NULL))
251 goto err;
252 for (i = 0; i < SHA_DIGEST_LENGTH; i++) {
253 if (BIO_printf(bp, "%02X", SHA1md[i]) <= 0)
254 goto err;
255 }
256 OPENSSL_free(der);
257 der = NULL;
258
259 /*
260 * display the hash of the public key as it would appear in OCSP requests
261 */
262 if (BIO_printf(bp, "\n Public key OCSP hash: ") <= 0)
263 goto err;
264
265 keybstr = X509_get0_pubkey_bitstr(x);
266
267 if (keybstr == NULL)
268 goto err;
269
270 if (!EVP_Digest(ASN1_STRING_get0_data(keybstr),
271 ASN1_STRING_length(keybstr), SHA1md, NULL, md, NULL))
272 goto err;
273 for (i = 0; i < SHA_DIGEST_LENGTH; i++) {
274 if (BIO_printf(bp, "%02X", SHA1md[i]) <= 0)
275 goto err;
276 }
277 BIO_printf(bp, "\n");
278 EVP_MD_free(md);
279
280 return 1;
281 err:
282 OPENSSL_free(der);
283 EVP_MD_free(md);
284 return 0;
285}
286
287int X509_signature_dump(BIO *bp, const ASN1_STRING *sig, int indent)
288{
289 const unsigned char *s;
290 int i, n;
291
292 n = sig->length;
293 s = sig->data;
294 for (i = 0; i < n; i++) {
295 if ((i % 18) == 0) {
296 if (i > 0 && BIO_write(bp, "\n", 1) <= 0)
297 return 0;
298 if (BIO_indent(bp, indent, indent) <= 0)
299 return 0;
300 }
301 if (BIO_printf(bp, "%02x%s", s[i], ((i + 1) == n) ? "" : ":") <= 0)
302 return 0;
303 }
304 if (BIO_write(bp, "\n", 1) != 1)
305 return 0;
306
307 return 1;
308}
309
310int X509_signature_print(BIO *bp, const X509_ALGOR *sigalg,
311 const ASN1_STRING *sig)
312{
313 int sig_nid;
314 int indent = 4;
315 if (BIO_printf(bp, "%*sSignature Algorithm: ", indent, "") <= 0)
316 return 0;
317 if (i2a_ASN1_OBJECT(bp, sigalg->algorithm) <= 0)
318 return 0;
319
320 if (sig && BIO_printf(bp, "\n%*sSignature Value:", indent, "") <= 0)
321 return 0;
322 sig_nid = OBJ_obj2nid(sigalg->algorithm);
323 if (sig_nid != NID_undef) {
324 int pkey_nid, dig_nid;
325 const EVP_PKEY_ASN1_METHOD *ameth;
326 if (OBJ_find_sigid_algs(sig_nid, &dig_nid, &pkey_nid)) {
327 ameth = EVP_PKEY_asn1_find(NULL, pkey_nid);
328 if (ameth && ameth->sig_print)
329 return ameth->sig_print(bp, sigalg, sig, indent + 4, 0);
330 }
331 }
332 if (BIO_write(bp, "\n", 1) != 1)
333 return 0;
334 if (sig)
335 return X509_signature_dump(bp, sig, indent + 4);
336 return 1;
337}
338
339int X509_aux_print(BIO *out, X509 *x, int indent)
340{
341 char oidstr[80], first;
342 STACK_OF(ASN1_OBJECT) *trust, *reject;
343 const unsigned char *alias, *keyid;
344 int keyidlen;
345 int i;
346 if (X509_trusted(x) == 0)
347 return 1;
348 trust = X509_get0_trust_objects(x);
349 reject = X509_get0_reject_objects(x);
350 if (trust) {
351 first = 1;
352 BIO_printf(out, "%*sTrusted Uses:\n%*s", indent, "", indent + 2, "");
353 for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++) {
354 if (!first)
355 BIO_puts(out, ", ");
356 else
357 first = 0;
358 OBJ_obj2txt(oidstr, sizeof(oidstr),
359 sk_ASN1_OBJECT_value(trust, i), 0);
360 BIO_puts(out, oidstr);
361 }
362 BIO_puts(out, "\n");
363 } else
364 BIO_printf(out, "%*sNo Trusted Uses.\n", indent, "");
365 if (reject) {
366 first = 1;
367 BIO_printf(out, "%*sRejected Uses:\n%*s", indent, "", indent + 2, "");
368 for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++) {
369 if (!first)
370 BIO_puts(out, ", ");
371 else
372 first = 0;
373 OBJ_obj2txt(oidstr, sizeof(oidstr),
374 sk_ASN1_OBJECT_value(reject, i), 0);
375 BIO_puts(out, oidstr);
376 }
377 BIO_puts(out, "\n");
378 } else
379 BIO_printf(out, "%*sNo Rejected Uses.\n", indent, "");
380 alias = X509_alias_get0(x, &i);
381 if (alias)
382 BIO_printf(out, "%*sAlias: %.*s\n", indent, "", i, alias);
383 keyid = X509_keyid_get0(x, &keyidlen);
384 if (keyid) {
385 BIO_printf(out, "%*sKey Id: ", indent, "");
386 for (i = 0; i < keyidlen; i++)
387 BIO_printf(out, "%s%02X", i ? ":" : "", keyid[i]);
388 BIO_write(out, "\n", 1);
389 }
390 return 1;
391}
392
393/*
394 * Helper functions for improving certificate verification error diagnostics
395 */
396
397int ossl_x509_print_ex_brief(BIO *bio, X509 *cert, unsigned long neg_cflags)
398{
399 unsigned long flags = ASN1_STRFLGS_RFC2253 | ASN1_STRFLGS_ESC_QUOTE |
400 XN_FLAG_SEP_CPLUS_SPC | XN_FLAG_FN_SN;
401
402 if (cert == NULL)
403 return BIO_printf(bio, " (no certificate)\n") > 0;
404 if (BIO_printf(bio, " certificate\n") <= 0
405 || !X509_print_ex(bio, cert, flags, ~X509_FLAG_NO_SUBJECT))
406 return 0;
407 if (X509_check_issued((X509 *)cert, cert) == X509_V_OK) {
408 if (BIO_printf(bio, " self-issued\n") <= 0)
409 return 0;
410 } else {
411 if (BIO_printf(bio, " ") <= 0
412 || !X509_print_ex(bio, cert, flags, ~X509_FLAG_NO_ISSUER))
413 return 0;
414 }
415 if (!X509_print_ex(bio, cert, flags,
416 ~(X509_FLAG_NO_SERIAL | X509_FLAG_NO_VALIDITY)))
417 return 0;
418 if (X509_cmp_current_time(X509_get0_notBefore(cert)) > 0)
419 if (BIO_printf(bio, " not yet valid\n") <= 0)
420 return 0;
421 if (X509_cmp_current_time(X509_get0_notAfter(cert)) < 0)
422 if (BIO_printf(bio, " no more valid\n") <= 0)
423 return 0;
424 return X509_print_ex(bio, cert, flags,
425 ~neg_cflags & ~X509_FLAG_EXTENSIONS_ONLY_KID);
426}
427
428static int print_certs(BIO *bio, const STACK_OF(X509) *certs)
429{
430 int i;
431
432 if (certs == NULL || sk_X509_num(certs) <= 0)
433 return BIO_printf(bio, " (no certificates)\n") >= 0;
434
435 for (i = 0; i < sk_X509_num(certs); i++) {
436 X509 *cert = sk_X509_value(certs, i);
437
438 if (cert != NULL) {
439 if (!ossl_x509_print_ex_brief(bio, cert, 0))
440 return 0;
441 if (!X509V3_extensions_print(bio, NULL,
442 X509_get0_extensions(cert),
443 X509_FLAG_EXTENSIONS_ONLY_KID, 8))
444 return 0;
445 }
446 }
447 return 1;
448}
449
450static int print_store_certs(BIO *bio, X509_STORE *store)
451{
452 if (store != NULL) {
453 STACK_OF(X509) *certs = X509_STORE_get1_all_certs(store);
454 int ret = print_certs(bio, certs);
455
456 sk_X509_pop_free(certs, X509_free);
457 return ret;
458 } else {
459 return BIO_printf(bio, " (no trusted store)\n") >= 0;
460 }
461}
462
463/* Extend the error queue with details on a failed cert verification */
464int X509_STORE_CTX_print_verify_cb(int ok, X509_STORE_CTX *ctx)
465{
466 if (ok == 0 && ctx != NULL) {
467 int cert_error = X509_STORE_CTX_get_error(ctx);
468 BIO *bio = BIO_new(BIO_s_mem()); /* may be NULL */
469
470 BIO_printf(bio, "%s at depth = %d error = %d (%s)\n",
471 X509_STORE_CTX_get0_parent_ctx(ctx) != NULL
472 ? "CRL path validation"
473 : "Certificate verification",
474 X509_STORE_CTX_get_error_depth(ctx),
475 cert_error, X509_verify_cert_error_string(cert_error));
476 {
477 X509_STORE *ts = X509_STORE_CTX_get0_store(ctx);
478 X509_VERIFY_PARAM *vpm = X509_STORE_get0_param(ts);
479 char *str;
480 int idx = 0;
481
482 switch (cert_error) {
483 case X509_V_ERR_HOSTNAME_MISMATCH:
484 BIO_printf(bio, "Expected hostname(s) = ");
485 while ((str = X509_VERIFY_PARAM_get0_host(vpm, idx++)) != NULL)
486 BIO_printf(bio, "%s%s", idx == 1 ? "" : ", ", str);
487 BIO_printf(bio, "\n");
488 break;
489 case X509_V_ERR_EMAIL_MISMATCH:
490 str = X509_VERIFY_PARAM_get0_email(vpm);
491 if (str != NULL)
492 BIO_printf(bio, "Expected email address = %s\n", str);
493 break;
494 case X509_V_ERR_IP_ADDRESS_MISMATCH:
495 str = X509_VERIFY_PARAM_get1_ip_asc(vpm);
496 if (str != NULL)
497 BIO_printf(bio, "Expected IP address = %s\n", str);
498 OPENSSL_free(str);
499 break;
500 default:
501 break;
502 }
503 }
504
505 BIO_printf(bio, "Failure for:\n");
506 ossl_x509_print_ex_brief(bio, X509_STORE_CTX_get_current_cert(ctx),
507 X509_FLAG_NO_EXTENSIONS);
508 if (cert_error == X509_V_ERR_CERT_UNTRUSTED
509 || cert_error == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT
510 || cert_error == X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN
511 || cert_error == X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT
512 || cert_error == X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY
513 || cert_error == X509_V_ERR_UNABLE_TO_GET_CRL_ISSUER
514 || cert_error == X509_V_ERR_STORE_LOOKUP) {
515 BIO_printf(bio, "Non-trusted certs:\n");
516 print_certs(bio, X509_STORE_CTX_get0_untrusted(ctx));
517 BIO_printf(bio, "Certs in trust store:\n");
518 print_store_certs(bio, X509_STORE_CTX_get0_store(ctx));
519 }
520 ERR_raise(ERR_LIB_X509, X509_R_CERTIFICATE_VERIFICATION_FAILED);
521 ERR_add_error_mem_bio("\n", bio);
522 BIO_free(bio);
523 }
524
525 return ok;
526}
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