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