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Remove unnecessary OPENSSL_NO_RSA remnants
[thirdparty/openssl.git] / crypto / x509 / t_x509.c
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1/*
2 * Copyright 1995-2025 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/*
11 * because of EVP_PKEY_asn1_find deprecation
12 */
13#define OPENSSL_SUPPRESS_DEPRECATED
14
15#include <stdio.h>
16#include "internal/cryptlib.h"
17#include <openssl/buffer.h>
18#include <openssl/bn.h>
19#include <openssl/objects.h>
20#include <openssl/x509.h>
21#include <openssl/x509v3.h>
22#include "crypto/asn1.h"
23#include "crypto/x509.h"
24
25void OSSL_STACK_OF_X509_free(STACK_OF(X509) *certs)
26{
27 sk_X509_pop_free(certs, X509_free);
28}
29
30#ifndef OPENSSL_NO_STDIO
31int X509_print_fp(FILE *fp, X509 *x)
32{
33 return X509_print_ex_fp(fp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
34}
35
36int X509_print_ex_fp(FILE *fp, X509 *x, unsigned long nmflag,
37 unsigned long cflag)
38{
39 BIO *b;
40 int ret;
41
42 if ((b = BIO_new(BIO_s_file())) == NULL) {
43 ERR_raise(ERR_LIB_X509, ERR_R_BUF_LIB);
44 return 0;
45 }
46 BIO_set_fp(b, fp, BIO_NOCLOSE);
47 ret = X509_print_ex(b, x, nmflag, cflag);
48 BIO_free(b);
49 return ret;
50}
51#endif
52
53int X509_print(BIO *bp, X509 *x)
54{
55 return X509_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
56}
57
58int X509_print_ex(BIO *bp, X509 *x, unsigned long nmflags,
59 unsigned long cflag)
60{
61 long l;
62 int ret = 0;
63 char mlch = ' ';
64 int nmindent = 0, printok = 0;
65 EVP_PKEY *pkey = NULL;
66
67 if ((nmflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
68 mlch = '\n';
69 nmindent = 12;
70 }
71
72 if (nmflags == XN_FLAG_COMPAT)
73 printok = 1;
74
75 if (!(cflag & X509_FLAG_NO_HEADER)) {
76 if (BIO_write(bp, "Certificate:\n", 13) <= 0)
77 goto err;
78 if (BIO_write(bp, " Data:\n", 10) <= 0)
79 goto err;
80 }
81 if (!(cflag & X509_FLAG_NO_VERSION)) {
82 l = X509_get_version(x);
83 if (l >= X509_VERSION_1 && l <= X509_VERSION_3) {
84 if (BIO_printf(bp, "%8sVersion: %ld (0x%lx)\n", "", l + 1, (unsigned long)l) <= 0)
85 goto err;
86 } else {
87 if (BIO_printf(bp, "%8sVersion: Unknown (%ld)\n", "", l) <= 0)
88 goto err;
89 }
90 }
91 if (!(cflag & X509_FLAG_NO_SERIAL)) {
92 const ASN1_INTEGER *bs = X509_get0_serialNumber(x);
93
94 if (BIO_write(bp, " Serial Number:", 22) <= 0)
95 goto err;
96 if (ossl_serial_number_print(bp, bs, 12) != 0)
97 goto err;
98 if (BIO_puts(bp, "\n") <= 0)
99 goto err;
100 }
101
102 if (!(cflag & X509_FLAG_NO_SIGNAME)) {
103 const X509_ALGOR *tsig_alg = X509_get0_tbs_sigalg(x);
104
105 if (BIO_puts(bp, " ") <= 0)
106 goto err;
107 if (X509_signature_print(bp, tsig_alg, NULL) <= 0)
108 goto err;
109 }
110
111 if (!(cflag & X509_FLAG_NO_ISSUER)) {
112 if (BIO_printf(bp, " Issuer:%c", mlch) <= 0)
113 goto err;
114 if (X509_NAME_print_ex(bp, X509_get_issuer_name(x), nmindent, nmflags)
115 < printok)
116 goto err;
117 if (BIO_write(bp, "\n", 1) <= 0)
118 goto err;
119 }
120 if (!(cflag & X509_FLAG_NO_VALIDITY)) {
121 if (BIO_write(bp, " Validity\n", 17) <= 0)
122 goto err;
123 if (BIO_write(bp, " Not Before: ", 24) <= 0)
124 goto err;
125 if (ossl_asn1_time_print_ex(bp, X509_get0_notBefore(x), ASN1_DTFLGS_RFC822) == 0)
126 goto err;
127 if (BIO_write(bp, "\n Not After : ", 25) <= 0)
128 goto err;
129 if (ossl_asn1_time_print_ex(bp, X509_get0_notAfter(x), ASN1_DTFLGS_RFC822) == 0)
130 goto err;
131 if (BIO_write(bp, "\n", 1) <= 0)
132 goto err;
133 }
134 if (!(cflag & X509_FLAG_NO_SUBJECT)) {
135 if (BIO_printf(bp, " Subject:%c", mlch) <= 0)
136 goto err;
137 if (X509_NAME_print_ex
138 (bp, X509_get_subject_name(x), nmindent, nmflags) < printok)
139 goto err;
140 if (BIO_write(bp, "\n", 1) <= 0)
141 goto err;
142 }
143 if (!(cflag & X509_FLAG_NO_PUBKEY)) {
144 X509_PUBKEY *xpkey = X509_get_X509_PUBKEY(x);
145 ASN1_OBJECT *xpoid;
146 X509_PUBKEY_get0_param(&xpoid, NULL, NULL, NULL, xpkey);
147 if (BIO_write(bp, " Subject Public Key Info:\n", 33) <= 0)
148 goto err;
149 if (BIO_printf(bp, "%12sPublic Key Algorithm: ", "") <= 0)
150 goto err;
151 if (i2a_ASN1_OBJECT(bp, xpoid) <= 0)
152 goto err;
153 if (BIO_puts(bp, "\n") <= 0)
154 goto err;
155
156 pkey = X509_get0_pubkey(x);
157 if (pkey == NULL) {
158 BIO_printf(bp, "%12sUnable to load Public Key\n", "");
159 ERR_print_errors(bp);
160 } else {
161 EVP_PKEY_print_public(bp, pkey, 16, NULL);
162 }
163 }
164
165 if (!(cflag & X509_FLAG_NO_IDS)) {
166 const ASN1_BIT_STRING *iuid, *suid;
167 X509_get0_uids(x, &iuid, &suid);
168 if (iuid != NULL) {
169 if (BIO_printf(bp, "%8sIssuer Unique ID: ", "") <= 0)
170 goto err;
171 if (!X509_signature_dump(bp, iuid, 12))
172 goto err;
173 }
174 if (suid != NULL) {
175 if (BIO_printf(bp, "%8sSubject Unique ID: ", "") <= 0)
176 goto err;
177 if (!X509_signature_dump(bp, suid, 12))
178 goto err;
179 }
180 }
181
182 if (!(cflag & X509_FLAG_NO_EXTENSIONS)
183 && !X509V3_extensions_print(bp, "X509v3 extensions",
184 X509_get0_extensions(x), cflag, 8))
185 goto err;
186
187 if (!(cflag & X509_FLAG_NO_SIGDUMP)) {
188 const X509_ALGOR *sig_alg;
189 const ASN1_BIT_STRING *sig;
190 X509_get0_signature(&sig, &sig_alg, x);
191 if (X509_signature_print(bp, sig_alg, sig) <= 0)
192 goto err;
193 }
194 if (!(cflag & X509_FLAG_NO_AUX)) {
195 if (!X509_aux_print(bp, x, 0))
196 goto err;
197 }
198 ret = 1;
199 err:
200 return ret;
201}
202
203int X509_ocspid_print(BIO *bp, X509 *x)
204{
205 unsigned char *der = NULL;
206 unsigned char *dertmp;
207 int derlen;
208 int i;
209 unsigned char SHA1md[SHA_DIGEST_LENGTH];
210 ASN1_BIT_STRING *keybstr;
211 const X509_NAME *subj;
212 EVP_MD *md = NULL;
213
214 if (x == NULL || bp == NULL)
215 return 0;
216 /*
217 * display the hash of the subject as it would appear in OCSP requests
218 */
219 if (BIO_printf(bp, " Subject OCSP hash: ") <= 0)
220 goto err;
221 subj = X509_get_subject_name(x);
222 derlen = i2d_X509_NAME(subj, NULL);
223 if (derlen <= 0)
224 goto err;
225 if ((der = dertmp = OPENSSL_malloc(derlen)) == NULL)
226 goto err;
227 i2d_X509_NAME(subj, &dertmp);
228
229 md = EVP_MD_fetch(x->libctx, SN_sha1, x->propq);
230 if (md == NULL)
231 goto err;
232 if (!EVP_Digest(der, derlen, SHA1md, NULL, md, NULL))
233 goto err;
234 for (i = 0; i < SHA_DIGEST_LENGTH; i++) {
235 if (BIO_printf(bp, "%02X", SHA1md[i]) <= 0)
236 goto err;
237 }
238 OPENSSL_free(der);
239 der = NULL;
240
241 /*
242 * display the hash of the public key as it would appear in OCSP requests
243 */
244 if (BIO_printf(bp, "\n Public key OCSP hash: ") <= 0)
245 goto err;
246
247 keybstr = X509_get0_pubkey_bitstr(x);
248
249 if (keybstr == NULL)
250 goto err;
251
252 if (!EVP_Digest(ASN1_STRING_get0_data(keybstr),
253 ASN1_STRING_length(keybstr), SHA1md, NULL, md, NULL))
254 goto err;
255 for (i = 0; i < SHA_DIGEST_LENGTH; i++) {
256 if (BIO_printf(bp, "%02X", SHA1md[i]) <= 0)
257 goto err;
258 }
259 BIO_printf(bp, "\n");
260 EVP_MD_free(md);
261
262 return 1;
263 err:
264 OPENSSL_free(der);
265 EVP_MD_free(md);
266 return 0;
267}
268
269int X509_signature_dump(BIO *bp, const ASN1_STRING *sig, int indent)
270{
271 const unsigned char *s;
272 int i, n;
273
274 n = sig->length;
275 s = sig->data;
276 for (i = 0; i < n; i++) {
277 if ((i % 18) == 0) {
278 if (i > 0 && BIO_write(bp, "\n", 1) <= 0)
279 return 0;
280 if (BIO_indent(bp, indent, indent) <= 0)
281 return 0;
282 }
283 if (BIO_printf(bp, "%02x%s", s[i], ((i + 1) == n) ? "" : ":") <= 0)
284 return 0;
285 }
286 if (BIO_write(bp, "\n", 1) != 1)
287 return 0;
288
289 return 1;
290}
291
292int X509_signature_print(BIO *bp, const X509_ALGOR *sigalg,
293 const ASN1_STRING *sig)
294{
295#ifndef OPENSSL_NO_DEPRECATED_3_6
296 int sig_nid;
297#endif
298 int indent = 4;
299 if (BIO_printf(bp, "%*sSignature Algorithm: ", indent, "") <= 0)
300 return 0;
301 if (i2a_ASN1_OBJECT(bp, sigalg->algorithm) <= 0)
302 return 0;
303
304 if (sig && BIO_printf(bp, "\n%*sSignature Value:", indent, "") <= 0)
305 return 0;
306#ifndef OPENSSL_NO_DEPRECATED_3_6
307 sig_nid = OBJ_obj2nid(sigalg->algorithm);
308 if (sig_nid != NID_undef) {
309 int pkey_nid, dig_nid;
310 const EVP_PKEY_ASN1_METHOD *ameth;
311 if (OBJ_find_sigid_algs(sig_nid, &dig_nid, &pkey_nid)) {
312 ameth = EVP_PKEY_asn1_find(NULL, pkey_nid);
313 if (ameth && ameth->sig_print)
314 return ameth->sig_print(bp, sigalg, sig, indent + 4, 0);
315 }
316 }
317#endif
318 if (BIO_write(bp, "\n", 1) != 1)
319 return 0;
320 if (sig)
321 return X509_signature_dump(bp, sig, indent + 4);
322 return 1;
323}
324
325int X509_aux_print(BIO *out, X509 *x, int indent)
326{
327 char oidstr[80], first;
328 STACK_OF(ASN1_OBJECT) *trust, *reject;
329 const unsigned char *alias, *keyid;
330 int keyidlen;
331 int i;
332 if (X509_trusted(x) == 0)
333 return 1;
334 trust = X509_get0_trust_objects(x);
335 reject = X509_get0_reject_objects(x);
336 if (trust) {
337 first = 1;
338 BIO_printf(out, "%*sTrusted Uses:\n%*s", indent, "", indent + 2, "");
339 for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++) {
340 if (!first)
341 BIO_puts(out, ", ");
342 else
343 first = 0;
344 OBJ_obj2txt(oidstr, sizeof(oidstr),
345 sk_ASN1_OBJECT_value(trust, i), 0);
346 BIO_puts(out, oidstr);
347 }
348 BIO_puts(out, "\n");
349 } else
350 BIO_printf(out, "%*sNo Trusted Uses.\n", indent, "");
351 if (reject) {
352 first = 1;
353 BIO_printf(out, "%*sRejected Uses:\n%*s", indent, "", indent + 2, "");
354 for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++) {
355 if (!first)
356 BIO_puts(out, ", ");
357 else
358 first = 0;
359 OBJ_obj2txt(oidstr, sizeof(oidstr),
360 sk_ASN1_OBJECT_value(reject, i), 0);
361 BIO_puts(out, oidstr);
362 }
363 BIO_puts(out, "\n");
364 } else
365 BIO_printf(out, "%*sNo Rejected Uses.\n", indent, "");
366 alias = X509_alias_get0(x, &i);
367 if (alias)
368 BIO_printf(out, "%*sAlias: %.*s\n", indent, "", i, alias);
369 keyid = X509_keyid_get0(x, &keyidlen);
370 if (keyid) {
371 BIO_printf(out, "%*sKey Id: ", indent, "");
372 for (i = 0; i < keyidlen; i++)
373 BIO_printf(out, "%s%02X", i ? ":" : "", keyid[i]);
374 BIO_write(out, "\n", 1);
375 }
376 return 1;
377}
378
379/*
380 * Helper functions for improving certificate verification error diagnostics
381 */
382
383int ossl_x509_print_ex_brief(BIO *bio, X509 *cert, unsigned long neg_cflags)
384{
385 unsigned long flags = ASN1_STRFLGS_RFC2253 | ASN1_STRFLGS_ESC_QUOTE |
386 XN_FLAG_SEP_CPLUS_SPC | XN_FLAG_FN_SN;
387
388 if (cert == NULL)
389 return BIO_printf(bio, " (no certificate)\n") > 0;
390 if (BIO_printf(bio, " certificate\n") <= 0
391 || !X509_print_ex(bio, cert, flags, ~X509_FLAG_NO_SUBJECT))
392 return 0;
393 if (X509_check_issued((X509 *)cert, cert) == X509_V_OK) {
394 if (BIO_printf(bio, " self-issued\n") <= 0)
395 return 0;
396 } else {
397 if (BIO_printf(bio, " ") <= 0
398 || !X509_print_ex(bio, cert, flags, ~X509_FLAG_NO_ISSUER))
399 return 0;
400 }
401 if (!X509_print_ex(bio, cert, flags,
402 ~(X509_FLAG_NO_SERIAL | X509_FLAG_NO_VALIDITY)))
403 return 0;
404 if (X509_cmp_current_time(X509_get0_notBefore(cert)) > 0)
405 if (BIO_printf(bio, " not yet valid\n") <= 0)
406 return 0;
407 if (X509_cmp_current_time(X509_get0_notAfter(cert)) < 0)
408 if (BIO_printf(bio, " no more valid\n") <= 0)
409 return 0;
410 return X509_print_ex(bio, cert, flags,
411 ~neg_cflags & ~X509_FLAG_EXTENSIONS_ONLY_KID);
412}
413
414static int print_certs(BIO *bio, const STACK_OF(X509) *certs)
415{
416 int i;
417
418 if (certs == NULL || sk_X509_num(certs) <= 0)
419 return BIO_printf(bio, " (no certificates)\n") >= 0;
420
421 for (i = 0; i < sk_X509_num(certs); i++) {
422 X509 *cert = sk_X509_value(certs, i);
423
424 if (cert != NULL) {
425 if (!ossl_x509_print_ex_brief(bio, cert, 0))
426 return 0;
427 if (!X509V3_extensions_print(bio, NULL,
428 X509_get0_extensions(cert),
429 X509_FLAG_EXTENSIONS_ONLY_KID, 8))
430 return 0;
431 }
432 }
433 return 1;
434}
435
436static int print_store_certs(BIO *bio, X509_STORE *store)
437{
438 if (store != NULL) {
439 STACK_OF(X509) *certs = X509_STORE_get1_all_certs(store);
440 int ret = print_certs(bio, certs);
441
442 OSSL_STACK_OF_X509_free(certs);
443 return ret;
444 } else {
445 return BIO_printf(bio, " (no trusted store)\n") >= 0;
446 }
447}
448
449/* Extend the error queue with details on a failed cert verification */
450int X509_STORE_CTX_print_verify_cb(int ok, X509_STORE_CTX *ctx)
451{
452 if (ok == 0 && ctx != NULL) {
453 int cert_error = X509_STORE_CTX_get_error(ctx);
454 BIO *bio = BIO_new(BIO_s_mem()); /* may be NULL */
455
456 if (bio == NULL)
457 return 0;
458 BIO_printf(bio, "%s at depth = %d error = %d (%s)\n",
459 X509_STORE_CTX_get0_parent_ctx(ctx) != NULL
460 ? "CRL path validation"
461 : "Certificate verification",
462 X509_STORE_CTX_get_error_depth(ctx),
463 cert_error, X509_verify_cert_error_string(cert_error));
464 {
465 X509_STORE *ts = X509_STORE_CTX_get0_store(ctx);
466 X509_VERIFY_PARAM *vpm = X509_STORE_get0_param(ts);
467 char *str;
468 int idx = 0;
469
470 switch (cert_error) {
471 case X509_V_ERR_HOSTNAME_MISMATCH:
472 BIO_printf(bio, "Expected hostname(s) = ");
473 while ((str = X509_VERIFY_PARAM_get0_host(vpm, idx++)) != NULL)
474 BIO_printf(bio, "%s%s", idx == 1 ? "" : ", ", str);
475 BIO_printf(bio, "\n");
476 break;
477 case X509_V_ERR_EMAIL_MISMATCH:
478 str = X509_VERIFY_PARAM_get0_email(vpm);
479 if (str != NULL)
480 BIO_printf(bio, "Expected email address = %s\n", str);
481 break;
482 case X509_V_ERR_IP_ADDRESS_MISMATCH:
483 str = X509_VERIFY_PARAM_get1_ip_asc(vpm);
484 if (str != NULL)
485 BIO_printf(bio, "Expected IP address = %s\n", str);
486 OPENSSL_free(str);
487 break;
488 default:
489 break;
490 }
491 }
492
493 BIO_printf(bio, "Failure for:\n");
494 ossl_x509_print_ex_brief(bio, X509_STORE_CTX_get_current_cert(ctx),
495 X509_FLAG_NO_EXTENSIONS);
496 if (cert_error == X509_V_ERR_CERT_UNTRUSTED
497 || cert_error == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT
498 || cert_error == X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN
499 || cert_error == X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT
500 || cert_error == X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY
501 || cert_error == X509_V_ERR_UNABLE_TO_GET_CRL_ISSUER
502 || cert_error == X509_V_ERR_STORE_LOOKUP) {
503 BIO_printf(bio, "Non-trusted certs:\n");
504 print_certs(bio, X509_STORE_CTX_get0_untrusted(ctx));
505 BIO_printf(bio, "Certs in trust store:\n");
506 print_store_certs(bio, X509_STORE_CTX_get0_store(ctx));
507 }
508 ERR_raise(ERR_LIB_X509, X509_R_CERTIFICATE_VERIFICATION_FAILED);
509 ERR_add_error_mem_bio("\n", bio);
510 BIO_free(bio);
511 }
512
513 return ok;
514}
515
516/*
517 * Prints serial numbers in decimal and hexadecimal. The indent argument is only
518 * used if the serial number is too large to fit in an int64_t.
519 */
520int ossl_serial_number_print(BIO *out, const ASN1_INTEGER *bs, int indent)
521{
522 int i, ok;
523 int64_t l;
524 uint64_t ul;
525 const char *neg;
526
527 if (bs->length == 0) {
528 if (BIO_puts(out, " (Empty)") <= 0)
529 return -1;
530 return 0;
531 }
532
533 ERR_set_mark();
534 ok = ASN1_INTEGER_get_int64(&l, bs);
535 ERR_pop_to_mark();
536
537 if (ok) { /* Reading an int64_t succeeded: print decimal and hex. */
538 if (bs->type == V_ASN1_NEG_INTEGER) {
539 ul = 0 - (uint64_t)l;
540 neg = "-";
541 } else {
542 ul = l;
543 neg = "";
544 }
545 if (BIO_printf(out, " %s%ju (%s0x%jx)", neg, ul, neg, ul) <= 0)
546 return -1;
547 } else { /* Reading an int64_t failed: just print hex. */
548 neg = (bs->type == V_ASN1_NEG_INTEGER) ? " (Negative)" : "";
549 if (BIO_printf(out, "\n%*s%s", indent, "", neg) <= 0)
550 return -1;
551
552 for (i = 0; i < bs->length - 1; i++) {
553 if (BIO_printf(out, "%02x%c", bs->data[i], ':') <= 0)
554 return -1;
555 }
556 if (BIO_printf(out, "%02x", bs->data[i]) <= 0)
557 return -1;
558 }
559 return 0;
560}
Mirror of https://github.com/openssl/openssl.git