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source: vbox/trunk/src/libs/openssl-3.1.3/apps/x509.c@ 102210

Last change on this file since 102210 was 101211, checked in by vboxsync, 15 months ago

openssl-3.1.3: Applied and adjusted our OpenSSL changes to 3.1.2. bugref:10527
File size: 42.5 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 <stdlib.h>
12#include <string.h>
13#include "apps.h"
14#include "progs.h"
15#include <openssl/bio.h>
16#include <openssl/asn1.h>
17#include <openssl/err.h>
18#include <openssl/bn.h>
19#include <openssl/evp.h>
20#include <openssl/x509.h>
21#include <openssl/x509v3.h>
22#include <openssl/objects.h>
23#include <openssl/pem.h>
24#include <openssl/rsa.h>
25#ifndef OPENSSL_NO_DSA
26# include <openssl/dsa.h>
27#endif
28
29#undef POSTFIX
30#define POSTFIX ".srl"
31#define DEFAULT_DAYS 30 /* default cert validity period in days */
32#define UNSET_DAYS -2 /* -1 is used for testing expiration checks */
33#define EXT_COPY_UNSET -1
34
35static int callb(int ok, X509_STORE_CTX *ctx);
36static ASN1_INTEGER *x509_load_serial(const char *CAfile,
37 const char *serialfile, int create);
38static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt);
39static int print_x509v3_exts(BIO *bio, X509 *x, const char *ext_names);
40
41typedef enum OPTION_choice {
42 OPT_COMMON,
43 OPT_INFORM, OPT_OUTFORM, OPT_KEYFORM, OPT_REQ, OPT_CAFORM,
44 OPT_CAKEYFORM, OPT_VFYOPT, OPT_SIGOPT, OPT_DAYS, OPT_PASSIN, OPT_EXTFILE,
45 OPT_EXTENSIONS, OPT_IN, OPT_OUT, OPT_KEY, OPT_SIGNKEY, OPT_CA, OPT_CAKEY,
46 OPT_CASERIAL, OPT_SET_SERIAL, OPT_NEW, OPT_FORCE_PUBKEY, OPT_SUBJ,
47 OPT_ADDTRUST, OPT_ADDREJECT, OPT_SETALIAS, OPT_CERTOPT, OPT_DATEOPT, OPT_NAMEOPT,
48 OPT_EMAIL, OPT_OCSP_URI, OPT_SERIAL, OPT_NEXT_SERIAL,
49 OPT_MODULUS, OPT_PUBKEY, OPT_X509TOREQ, OPT_TEXT, OPT_HASH,
50 OPT_ISSUER_HASH, OPT_SUBJECT, OPT_ISSUER, OPT_FINGERPRINT, OPT_DATES,
51 OPT_PURPOSE, OPT_STARTDATE, OPT_ENDDATE, OPT_CHECKEND, OPT_CHECKHOST,
52 OPT_CHECKEMAIL, OPT_CHECKIP, OPT_NOOUT, OPT_TRUSTOUT, OPT_CLRTRUST,
53 OPT_CLRREJECT, OPT_ALIAS, OPT_CACREATESERIAL, OPT_CLREXT, OPT_OCSPID,
54 OPT_SUBJECT_HASH_OLD, OPT_ISSUER_HASH_OLD, OPT_COPY_EXTENSIONS,
55 OPT_BADSIG, OPT_MD, OPT_ENGINE, OPT_NOCERT, OPT_PRESERVE_DATES,
56 OPT_R_ENUM, OPT_PROV_ENUM, OPT_EXT
57} OPTION_CHOICE;
58
59const OPTIONS x509_options[] = {
60 OPT_SECTION("General"),
61 {"help", OPT_HELP, '-', "Display this summary"},
62
63 {"in", OPT_IN, '<',
64 "Certificate input, or CSR input file with -req (default stdin)"},
65 {"passin", OPT_PASSIN, 's', "Private key and cert file pass-phrase source"},
66 {"new", OPT_NEW, '-', "Generate a certificate from scratch"},
67 {"x509toreq", OPT_X509TOREQ, '-',
68 "Output a certification request (rather than a certificate)"},
69 {"req", OPT_REQ, '-', "Input is a CSR file (rather than a certificate)"},
70 {"copy_extensions", OPT_COPY_EXTENSIONS, 's',
71 "copy extensions when converting from CSR to x509 or vice versa"},
72 {"inform", OPT_INFORM, 'f',
73 "CSR input file format (DER or PEM) - default PEM"},
74 {"vfyopt", OPT_VFYOPT, 's', "CSR verification parameter in n:v form"},
75 {"key", OPT_KEY, 's',
76 "Key for signing, and to include unless using -force_pubkey"},
77 {"signkey", OPT_SIGNKEY, 's',
78 "Same as -key"},
79 {"keyform", OPT_KEYFORM, 'E',
80 "Key input format (ENGINE, other values ignored)"},
81 {"out", OPT_OUT, '>', "Output file - default stdout"},
82 {"outform", OPT_OUTFORM, 'f',
83 "Output format (DER or PEM) - default PEM"},
84 {"nocert", OPT_NOCERT, '-',
85 "No cert output (except for requested printing)"},
86 {"noout", OPT_NOOUT, '-', "No output (except for requested printing)"},
87
88 OPT_SECTION("Certificate printing"),
89 {"text", OPT_TEXT, '-', "Print the certificate in text form"},
90 {"dateopt", OPT_DATEOPT, 's', "Datetime format used for printing. (rfc_822/iso_8601). Default is rfc_822."},
91 {"certopt", OPT_CERTOPT, 's', "Various certificate text printing options"},
92 {"fingerprint", OPT_FINGERPRINT, '-', "Print the certificate fingerprint"},
93 {"alias", OPT_ALIAS, '-', "Print certificate alias"},
94 {"serial", OPT_SERIAL, '-', "Print serial number value"},
95 {"startdate", OPT_STARTDATE, '-', "Print the notBefore field"},
96 {"enddate", OPT_ENDDATE, '-', "Print the notAfter field"},
97 {"dates", OPT_DATES, '-', "Print both notBefore and notAfter fields"},
98 {"subject", OPT_SUBJECT, '-', "Print subject DN"},
99 {"issuer", OPT_ISSUER, '-', "Print issuer DN"},
100 {"nameopt", OPT_NAMEOPT, 's',
101 "Certificate subject/issuer name printing options"},
102 {"email", OPT_EMAIL, '-', "Print email address(es)"},
103 {"hash", OPT_HASH, '-', "Synonym for -subject_hash (for backward compat)"},
104 {"subject_hash", OPT_HASH, '-', "Print subject hash value"},
105#ifndef OPENSSL_NO_MD5
106 {"subject_hash_old", OPT_SUBJECT_HASH_OLD, '-',
107 "Print old-style (MD5) subject hash value"},
108#endif
109 {"issuer_hash", OPT_ISSUER_HASH, '-', "Print issuer hash value"},
110#ifndef OPENSSL_NO_MD5
111 {"issuer_hash_old", OPT_ISSUER_HASH_OLD, '-',
112 "Print old-style (MD5) issuer hash value"},
113#endif
114 {"ext", OPT_EXT, 's',
115 "Restrict which X.509 extensions to print and/or copy"},
116 {"ocspid", OPT_OCSPID, '-',
117 "Print OCSP hash values for the subject name and public key"},
118 {"ocsp_uri", OPT_OCSP_URI, '-', "Print OCSP Responder URL(s)"},
119 {"purpose", OPT_PURPOSE, '-', "Print out certificate purposes"},
120 {"pubkey", OPT_PUBKEY, '-', "Print the public key in PEM format"},
121 {"modulus", OPT_MODULUS, '-', "Print the RSA key modulus"},
122
123 OPT_SECTION("Certificate checking"),
124 {"checkend", OPT_CHECKEND, 'M',
125 "Check whether cert expires in the next arg seconds"},
126 {OPT_MORE_STR, 1, 1, "Exit 1 (failure) if so, 0 if not"},
127 {"checkhost", OPT_CHECKHOST, 's', "Check certificate matches host"},
128 {"checkemail", OPT_CHECKEMAIL, 's', "Check certificate matches email"},
129 {"checkip", OPT_CHECKIP, 's', "Check certificate matches ipaddr"},
130
131 OPT_SECTION("Certificate output"),
132 {"set_serial", OPT_SET_SERIAL, 's',
133 "Serial number to use, overrides -CAserial"},
134 {"next_serial", OPT_NEXT_SERIAL, '-',
135 "Increment current certificate serial number"},
136 {"days", OPT_DAYS, 'n',
137 "Number of days until newly generated certificate expires - default 30"},
138 {"preserve_dates", OPT_PRESERVE_DATES, '-',
139 "Preserve existing validity dates"},
140 {"subj", OPT_SUBJ, 's', "Set or override certificate subject (and issuer)"},
141 {"force_pubkey", OPT_FORCE_PUBKEY, '<',
142 "Place the given key in new certificate"},
143 {"clrext", OPT_CLREXT, '-',
144 "Do not take over any extensions from the source certificate or request"},
145 {"extfile", OPT_EXTFILE, '<', "Config file with X509V3 extensions to add"},
146 {"extensions", OPT_EXTENSIONS, 's',
147 "Section of extfile to use - default: unnamed section"},
148 {"sigopt", OPT_SIGOPT, 's', "Signature parameter, in n:v form"},
149 {"badsig", OPT_BADSIG, '-',
150 "Corrupt last byte of certificate signature (for test)"},
151 {"", OPT_MD, '-', "Any supported digest, used for signing and printing"},
152
153 OPT_SECTION("Micro-CA"),
154 {"CA", OPT_CA, '<',
155 "Use the given CA certificate, conflicts with -key"},
156 {"CAform", OPT_CAFORM, 'F', "CA cert format (PEM/DER/P12); has no effect"},
157 {"CAkey", OPT_CAKEY, 's', "The corresponding CA key; default is -CA arg"},
158 {"CAkeyform", OPT_CAKEYFORM, 'E',
159 "CA key format (ENGINE, other values ignored)"},
160 {"CAserial", OPT_CASERIAL, 's',
161 "File that keeps track of CA-generated serial number"},
162 {"CAcreateserial", OPT_CACREATESERIAL, '-',
163 "Create CA serial number file if it does not exist"},
164
165 OPT_SECTION("Certificate trust output"),
166 {"trustout", OPT_TRUSTOUT, '-', "Mark certificate PEM output as trusted"},
167 {"setalias", OPT_SETALIAS, 's', "Set certificate alias (nickname)"},
168 {"clrtrust", OPT_CLRTRUST, '-', "Clear all trusted purposes"},
169 {"addtrust", OPT_ADDTRUST, 's', "Trust certificate for a given purpose"},
170 {"clrreject", OPT_CLRREJECT, '-',
171 "Clears all the prohibited or rejected uses of the certificate"},
172 {"addreject", OPT_ADDREJECT, 's',
173 "Reject certificate for a given purpose"},
174
175 OPT_R_OPTIONS,
176#ifndef OPENSSL_NO_ENGINE
177 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
178#endif
179 OPT_PROV_OPTIONS,
180 {NULL}
181};
182
183static void warn_copying(ASN1_OBJECT *excluded, const char *names)
184{
185 const char *sn = OBJ_nid2sn(OBJ_obj2nid(excluded));
186
187 if (names != NULL && strstr(names, sn) != NULL)
188 BIO_printf(bio_err,
189 "Warning: -ext should not specify copying %s extension to CSR; ignoring this\n",
190 sn);
191}
192
193static X509_REQ *x509_to_req(X509 *cert, int ext_copy, const char *names)
194{
195 const STACK_OF(X509_EXTENSION) *cert_exts = X509_get0_extensions(cert);
196 int i, n = sk_X509_EXTENSION_num(cert_exts /* may be NULL */);
197 ASN1_OBJECT *skid = OBJ_nid2obj(NID_subject_key_identifier);
198 ASN1_OBJECT *akid = OBJ_nid2obj(NID_authority_key_identifier);
199 STACK_OF(X509_EXTENSION) *exts;
200 X509_REQ *req = X509_to_X509_REQ(cert, NULL, NULL);
201
202 if (req == NULL)
203 return NULL;
204
205 /*
206 * Filter out SKID and AKID extensions, which make no sense in a CSR.
207 * If names is not NULL, copy only those extensions listed there.
208 */
209 warn_copying(skid, names);
210 warn_copying(akid, names);
211 if ((exts = sk_X509_EXTENSION_new_reserve(NULL, n)) == NULL)
212 goto err;
213 for (i = 0; i < n; i++) {
214 X509_EXTENSION *ex = sk_X509_EXTENSION_value(cert_exts, i);
215 ASN1_OBJECT *obj = X509_EXTENSION_get_object(ex);
216
217 if (OBJ_cmp(obj, skid) != 0 && OBJ_cmp(obj, akid) != 0
218 && !sk_X509_EXTENSION_push(exts, ex))
219 goto err;
220 }
221
222 if (sk_X509_EXTENSION_num(exts) > 0) {
223 if (ext_copy != EXT_COPY_UNSET && ext_copy != EXT_COPY_NONE
224 && !X509_REQ_add_extensions(req, exts)) {
225 BIO_printf(bio_err, "Error copying extensions from certificate\n");
226 goto err;
227 }
228 }
229 sk_X509_EXTENSION_free(exts);
230 return req;
231
232 err:
233 sk_X509_EXTENSION_free(exts);
234 X509_REQ_free(req);
235 return NULL;
236}
237
238static int self_signed(X509_STORE *ctx, X509 *cert)
239{
240 X509_STORE_CTX *xsc = X509_STORE_CTX_new();
241 int ret = 0;
242
243 if (xsc == NULL || !X509_STORE_CTX_init(xsc, ctx, cert, NULL)) {
244 BIO_printf(bio_err, "Error initialising X509 store\n");
245 } else {
246 X509_STORE_CTX_set_flags(xsc, X509_V_FLAG_CHECK_SS_SIGNATURE);
247 ret = X509_verify_cert(xsc) > 0;
248 }
249 X509_STORE_CTX_free(xsc);
250 return ret;
251}
252
253int x509_main(int argc, char **argv)
254{
255 ASN1_INTEGER *sno = NULL;
256 ASN1_OBJECT *objtmp = NULL;
257 BIO *out = NULL;
258 CONF *extconf = NULL;
259 int ext_copy = EXT_COPY_UNSET;
260 X509V3_CTX ext_ctx;
261 EVP_PKEY *privkey = NULL, *CAkey = NULL, *pubkey = NULL;
262 EVP_PKEY *pkey;
263 int newcert = 0;
264 char *subj = NULL, *digest = NULL;
265 X509_NAME *fsubj = NULL;
266 const unsigned long chtype = MBSTRING_ASC;
267 const int multirdn = 1;
268 STACK_OF(ASN1_OBJECT) *trust = NULL, *reject = NULL;
269 STACK_OF(OPENSSL_STRING) *sigopts = NULL, *vfyopts = NULL;
270 X509 *x = NULL, *xca = NULL, *issuer_cert;
271 X509_REQ *req = NULL, *rq = NULL;
272 X509_STORE *ctx = NULL;
273 char *CAkeyfile = NULL, *CAserial = NULL, *pubkeyfile = NULL, *alias = NULL;
274 char *checkhost = NULL, *checkemail = NULL, *checkip = NULL;
275 char *ext_names = NULL;
276 char *extsect = NULL, *extfile = NULL, *passin = NULL, *passinarg = NULL;
277 char *infile = NULL, *outfile = NULL, *privkeyfile = NULL, *CAfile = NULL;
278 char *prog;
279 int days = UNSET_DAYS; /* not explicitly set */
280 int x509toreq = 0, modulus = 0, print_pubkey = 0, pprint = 0;
281 int CAformat = FORMAT_UNDEF, CAkeyformat = FORMAT_UNDEF;
282 unsigned long dateopt = ASN1_DTFLGS_RFC822;
283 int fingerprint = 0, reqfile = 0, checkend = 0;
284 int informat = FORMAT_UNDEF, outformat = FORMAT_PEM, keyformat = FORMAT_UNDEF;
285 int next_serial = 0, subject_hash = 0, issuer_hash = 0, ocspid = 0;
286 int noout = 0, CA_createserial = 0, email = 0;
287 int ocsp_uri = 0, trustout = 0, clrtrust = 0, clrreject = 0, aliasout = 0;
288 int ret = 1, i, j, num = 0, badsig = 0, clrext = 0, nocert = 0;
289 int text = 0, serial = 0, subject = 0, issuer = 0, startdate = 0, ext = 0;
290 int enddate = 0;
291 time_t checkoffset = 0;
292 unsigned long certflag = 0;
293 int preserve_dates = 0;
294 OPTION_CHOICE o;
295 ENGINE *e = NULL;
296#ifndef OPENSSL_NO_MD5
297 int subject_hash_old = 0, issuer_hash_old = 0;
298#endif
299
300 ctx = X509_STORE_new();
301 if (ctx == NULL)
302 goto end;
303 X509_STORE_set_verify_cb(ctx, callb);
304
305 prog = opt_init(argc, argv, x509_options);
306 while ((o = opt_next()) != OPT_EOF) {
307 switch (o) {
308 case OPT_EOF:
309 case OPT_ERR:
310 opthelp:
311 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
312 goto end;
313 case OPT_HELP:
314 opt_help(x509_options);
315 ret = 0;
316 goto end;
317 case OPT_INFORM:
318 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &informat))
319 goto opthelp;
320 break;
321 case OPT_IN:
322 infile = opt_arg();
323 break;
324 case OPT_OUTFORM:
325 if (!opt_format(opt_arg(), OPT_FMT_ANY, &outformat))
326 goto opthelp;
327 break;
328 case OPT_KEYFORM:
329 if (!opt_format(opt_arg(), OPT_FMT_ANY, &keyformat))
330 goto opthelp;
331 break;
332 case OPT_CAFORM:
333 if (!opt_format(opt_arg(), OPT_FMT_ANY, &CAformat))
334 goto opthelp;
335 break;
336 case OPT_CAKEYFORM:
337 if (!opt_format(opt_arg(), OPT_FMT_ANY, &CAkeyformat))
338 goto opthelp;
339 break;
340 case OPT_OUT:
341 outfile = opt_arg();
342 break;
343 case OPT_REQ:
344 reqfile = 1;
345 break;
346
347 case OPT_DATEOPT:
348 if (!set_dateopt(&dateopt, opt_arg())) {
349 BIO_printf(bio_err,
350 "Invalid date format: %s\n", opt_arg());
351 goto end;
352 }
353 break;
354 case OPT_COPY_EXTENSIONS:
355 if (!set_ext_copy(&ext_copy, opt_arg())) {
356 BIO_printf(bio_err,
357 "Invalid extension copy option: %s\n", opt_arg());
358 goto end;
359 }
360 break;
361
362 case OPT_SIGOPT:
363 if (!sigopts)
364 sigopts = sk_OPENSSL_STRING_new_null();
365 if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, opt_arg()))
366 goto opthelp;
367 break;
368 case OPT_VFYOPT:
369 if (!vfyopts)
370 vfyopts = sk_OPENSSL_STRING_new_null();
371 if (!vfyopts || !sk_OPENSSL_STRING_push(vfyopts, opt_arg()))
372 goto opthelp;
373 break;
374 case OPT_DAYS:
375 days = atoi(opt_arg());
376 if (days < -1) {
377 BIO_printf(bio_err, "%s: -days parameter arg must be >= -1\n",
378 prog);
379 goto end;
380 }
381 break;
382 case OPT_PASSIN:
383 passinarg = opt_arg();
384 break;
385 case OPT_EXTFILE:
386 extfile = opt_arg();
387 break;
388 case OPT_R_CASES:
389 if (!opt_rand(o))
390 goto end;
391 break;
392 case OPT_PROV_CASES:
393 if (!opt_provider(o))
394 goto end;
395 break;
396 case OPT_EXTENSIONS:
397 extsect = opt_arg();
398 break;
399 case OPT_KEY:
400 case OPT_SIGNKEY:
401 privkeyfile = opt_arg();
402 break;
403 case OPT_CA:
404 CAfile = opt_arg();
405 break;
406 case OPT_CAKEY:
407 CAkeyfile = opt_arg();
408 break;
409 case OPT_CASERIAL:
410 CAserial = opt_arg();
411 break;
412 case OPT_SET_SERIAL:
413 if (sno != NULL) {
414 BIO_printf(bio_err, "Serial number supplied twice\n");
415 goto opthelp;
416 }
417 if ((sno = s2i_ASN1_INTEGER(NULL, opt_arg())) == NULL)
418 goto opthelp;
419 break;
420 case OPT_NEW:
421 newcert = 1;
422 break;
423 case OPT_FORCE_PUBKEY:
424 pubkeyfile = opt_arg();
425 break;
426 case OPT_SUBJ:
427 subj = opt_arg();
428 break;
429 case OPT_ADDTRUST:
430 if (trust == NULL && (trust = sk_ASN1_OBJECT_new_null()) == NULL)
431 goto end;
432 if ((objtmp = OBJ_txt2obj(opt_arg(), 0)) == NULL) {
433 BIO_printf(bio_err, "%s: Invalid trust object value %s\n",
434 prog, opt_arg());
435 goto opthelp;
436 }
437 sk_ASN1_OBJECT_push(trust, objtmp);
438 trustout = 1;
439 break;
440 case OPT_ADDREJECT:
441 if (reject == NULL && (reject = sk_ASN1_OBJECT_new_null()) == NULL)
442 goto end;
443 if ((objtmp = OBJ_txt2obj(opt_arg(), 0)) == NULL) {
444 BIO_printf(bio_err, "%s: Invalid reject object value %s\n",
445 prog, opt_arg());
446 goto opthelp;
447 }
448 sk_ASN1_OBJECT_push(reject, objtmp);
449 trustout = 1;
450 break;
451 case OPT_SETALIAS:
452 alias = opt_arg();
453 trustout = 1;
454 break;
455 case OPT_CERTOPT:
456 if (!set_cert_ex(&certflag, opt_arg()))
457 goto opthelp;
458 break;
459 case OPT_NAMEOPT:
460 if (!set_nameopt(opt_arg()))
461 goto opthelp;
462 break;
463 case OPT_ENGINE:
464 e = setup_engine(opt_arg(), 0);
465 break;
466 case OPT_EMAIL:
467 email = ++num;
468 break;
469 case OPT_OCSP_URI:
470 ocsp_uri = ++num;
471 break;
472 case OPT_SERIAL:
473 serial = ++num;
474 break;
475 case OPT_NEXT_SERIAL:
476 next_serial = ++num;
477 break;
478 case OPT_MODULUS:
479 modulus = ++num;
480 break;
481 case OPT_PUBKEY:
482 print_pubkey = ++num;
483 break;
484 case OPT_X509TOREQ:
485 x509toreq = 1;
486 break;
487 case OPT_TEXT:
488 text = ++num;
489 break;
490 case OPT_SUBJECT:
491 subject = ++num;
492 break;
493 case OPT_ISSUER:
494 issuer = ++num;
495 break;
496 case OPT_FINGERPRINT:
497 fingerprint = ++num;
498 break;
499 case OPT_HASH:
500 subject_hash = ++num;
501 break;
502 case OPT_ISSUER_HASH:
503 issuer_hash = ++num;
504 break;
505 case OPT_PURPOSE:
506 pprint = ++num;
507 break;
508 case OPT_STARTDATE:
509 startdate = ++num;
510 break;
511 case OPT_ENDDATE:
512 enddate = ++num;
513 break;
514 case OPT_NOOUT:
515 noout = ++num;
516 break;
517 case OPT_EXT:
518 ext = ++num;
519 ext_names = opt_arg();
520 break;
521 case OPT_NOCERT:
522 nocert = 1;
523 break;
524 case OPT_TRUSTOUT:
525 trustout = 1;
526 break;
527 case OPT_CLRTRUST:
528 clrtrust = ++num;
529 break;
530 case OPT_CLRREJECT:
531 clrreject = ++num;
532 break;
533 case OPT_ALIAS:
534 aliasout = ++num;
535 break;
536 case OPT_CACREATESERIAL:
537 CA_createserial = 1;
538 break;
539 case OPT_CLREXT:
540 clrext = 1;
541 break;
542 case OPT_OCSPID:
543 ocspid = ++num;
544 break;
545 case OPT_BADSIG:
546 badsig = 1;
547 break;
548#ifndef OPENSSL_NO_MD5
549 case OPT_SUBJECT_HASH_OLD:
550 subject_hash_old = ++num;
551 break;
552 case OPT_ISSUER_HASH_OLD:
553 issuer_hash_old = ++num;
554 break;
555#else
556 case OPT_SUBJECT_HASH_OLD:
557 case OPT_ISSUER_HASH_OLD:
558 break;
559#endif
560 case OPT_DATES:
561 startdate = ++num;
562 enddate = ++num;
563 break;
564 case OPT_CHECKEND:
565 checkend = 1;
566 {
567 ossl_intmax_t temp = 0;
568 if (!opt_intmax(opt_arg(), &temp))
569 goto opthelp;
570 checkoffset = (time_t)temp;
571 if ((ossl_intmax_t)checkoffset != temp) {
572 BIO_printf(bio_err, "%s: Checkend time out of range %s\n",
573 prog, opt_arg());
574 goto opthelp;
575 }
576 }
577 break;
578 case OPT_CHECKHOST:
579 checkhost = opt_arg();
580 break;
581 case OPT_CHECKEMAIL:
582 checkemail = opt_arg();
583 break;
584 case OPT_CHECKIP:
585 checkip = opt_arg();
586 break;
587 case OPT_PRESERVE_DATES:
588 preserve_dates = 1;
589 break;
590 case OPT_MD:
591 digest = opt_unknown();
592 break;
593 }
594 }
595
596 /* No extra arguments. */
597 argc = opt_num_rest();
598 if (argc != 0)
599 goto opthelp;
600
601 if (!app_RAND_load())
602 goto end;
603
604 if (preserve_dates && days != UNSET_DAYS) {
605 BIO_printf(bio_err, "Cannot use -preserve_dates with -days option\n");
606 goto end;
607 }
608 if (days == UNSET_DAYS)
609 days = DEFAULT_DAYS;
610
611 if (!app_passwd(passinarg, NULL, &passin, NULL)) {
612 BIO_printf(bio_err, "Error getting password\n");
613 goto end;
614 }
615
616 if (!X509_STORE_set_default_paths_ex(ctx, app_get0_libctx(),
617 app_get0_propq()))
618 goto end;
619
620 if (newcert && infile != NULL) {
621 BIO_printf(bio_err, "The -in option cannot be used with -new\n");
622 goto end;
623 }
624 if (newcert && reqfile) {
625 BIO_printf(bio_err,
626 "The -req option cannot be used with -new\n");
627 goto end;
628 }
629 if (privkeyfile != NULL) {
630 privkey = load_key(privkeyfile, keyformat, 0, passin, e, "private key");
631 if (privkey == NULL)
632 goto end;
633 }
634 if (pubkeyfile != NULL) {
635 if ((pubkey = load_pubkey(pubkeyfile, keyformat, 0, NULL, e,
636 "explicitly set public key")) == NULL)
637 goto end;
638 }
639
640 if (newcert) {
641 if (subj == NULL) {
642 BIO_printf(bio_err,
643 "The -new option requires a subject to be set using -subj\n");
644 goto end;
645 }
646 if (privkeyfile == NULL && pubkeyfile == NULL) {
647 BIO_printf(bio_err,
648 "The -new option requires using the -key or -force_pubkey option\n");
649 goto end;
650 }
651 }
652 if (subj != NULL
653 && (fsubj = parse_name(subj, chtype, multirdn, "subject")) == NULL)
654 goto end;
655
656 if (CAkeyfile == NULL)
657 CAkeyfile = CAfile;
658 if (CAfile != NULL) {
659 if (privkeyfile != NULL) {
660 BIO_printf(bio_err, "Cannot use both -key/-signkey and -CA option\n");
661 goto end;
662 }
663 } else {
664#define WARN_NO_CA(opt) BIO_printf(bio_err, \
665 "Warning: ignoring " opt " option since -CA option is not given\n");
666 if (CAkeyfile != NULL)
667 WARN_NO_CA("-CAkey");
668 if (CAkeyformat != FORMAT_UNDEF)
669 WARN_NO_CA("-CAkeyform");
670 if (CAformat != FORMAT_UNDEF)
671 WARN_NO_CA("-CAform");
672 if (CAserial != NULL)
673 WARN_NO_CA("-CAserial");
674 if (CA_createserial)
675 WARN_NO_CA("-CAcreateserial");
676 }
677
678 if (extfile == NULL) {
679 if (extsect != NULL)
680 BIO_printf(bio_err,
681 "Warning: ignoring -extensions option without -extfile\n");
682 } else {
683 X509V3_CTX ctx2;
684
685 if ((extconf = app_load_config(extfile)) == NULL)
686 goto end;
687 if (extsect == NULL) {
688 extsect = NCONF_get_string(extconf, "default", "extensions");
689 if (extsect == NULL) {
690 ERR_clear_error();
691 extsect = "default";
692 }
693 }
694 X509V3_set_ctx_test(&ctx2);
695 X509V3_set_nconf(&ctx2, extconf);
696 if (!X509V3_EXT_add_nconf(extconf, &ctx2, extsect, NULL)) {
697 BIO_printf(bio_err,
698 "Error checking extension section %s\n", extsect);
699 goto end;
700 }
701 }
702
703 if (reqfile) {
704 req = load_csr(infile, informat, "certificate request input");
705 if (req == NULL)
706 goto end;
707
708 if ((pkey = X509_REQ_get0_pubkey(req)) == NULL) {
709 BIO_printf(bio_err, "Error unpacking public key from CSR\n");
710 goto end;
711 }
712 i = do_X509_REQ_verify(req, pkey, vfyopts);
713 if (i <= 0) {
714 BIO_printf(bio_err, i < 0
715 ? "Error while verifying certificate request self-signature\n"
716 : "Certificate request self-signature did not match the contents\n");
717 goto end;
718 }
719 BIO_printf(bio_err, "Certificate request self-signature ok\n");
720
721 print_name(bio_err, "subject=", X509_REQ_get_subject_name(req));
722 } else if (!x509toreq && ext_copy != EXT_COPY_UNSET) {
723 BIO_printf(bio_err, "Warning: ignoring -copy_extensions since neither -x509toreq nor -req is given\n");
724 }
725
726 if (reqfile || newcert) {
727 if (preserve_dates)
728 BIO_printf(bio_err,
729 "Warning: ignoring -preserve_dates option with -req or -new\n");
730 preserve_dates = 0;
731 if (privkeyfile == NULL && CAkeyfile == NULL) {
732 BIO_printf(bio_err,
733 "We need a private key to sign with, use -key or -CAkey or -CA with private key\n");
734 goto end;
735 }
736 if ((x = X509_new_ex(app_get0_libctx(), app_get0_propq())) == NULL)
737 goto end;
738 if (CAfile == NULL && sno == NULL) {
739 sno = ASN1_INTEGER_new();
740 if (sno == NULL || !rand_serial(NULL, sno))
741 goto end;
742 }
743 if (req != NULL && ext_copy != EXT_COPY_UNSET) {
744 if (clrext && ext_copy != EXT_COPY_NONE) {
745 BIO_printf(bio_err, "Must not use -clrext together with -copy_extensions\n");
746 goto end;
747 } else if (!copy_extensions(x, req, ext_copy)) {
748 BIO_printf(bio_err, "Error copying extensions from request\n");
749 goto end;
750 }
751 }
752 } else {
753 x = load_cert_pass(infile, informat, 1, passin, "certificate");
754 if (x == NULL)
755 goto end;
756 }
757 if ((fsubj != NULL || req != NULL)
758 && !X509_set_subject_name(x, fsubj != NULL ? fsubj :
759 X509_REQ_get_subject_name(req)))
760 goto end;
761 if ((pubkey != NULL || privkey != NULL || req != NULL)
762 && !X509_set_pubkey(x, pubkey != NULL ? pubkey :
763 privkey != NULL ? privkey :
764 X509_REQ_get0_pubkey(req)))
765 goto end;
766
767 if (CAfile != NULL) {
768 xca = load_cert_pass(CAfile, CAformat, 1, passin, "CA certificate");
769 if (xca == NULL)
770 goto end;
771 }
772
773 out = bio_open_default(outfile, 'w', outformat);
774 if (out == NULL)
775 goto end;
776
777 if (!noout || text || next_serial)
778 OBJ_create("2.99999.3", "SET.ex3", "SET x509v3 extension 3");
779
780 if (alias)
781 X509_alias_set1(x, (unsigned char *)alias, -1);
782
783 if (clrtrust)
784 X509_trust_clear(x);
785 if (clrreject)
786 X509_reject_clear(x);
787
788 if (trust != NULL) {
789 for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++)
790 X509_add1_trust_object(x, sk_ASN1_OBJECT_value(trust, i));
791 }
792
793 if (reject != NULL) {
794 for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++)
795 X509_add1_reject_object(x, sk_ASN1_OBJECT_value(reject, i));
796 }
797
798 if (clrext && ext_names != NULL)
799 BIO_printf(bio_err, "Warning: Ignoring -ext since -clrext is given\n");
800 for (i = X509_get_ext_count(x) - 1; i >= 0; i--) {
801 X509_EXTENSION *ex = X509_get_ext(x, i);
802 const char *sn = OBJ_nid2sn(OBJ_obj2nid(X509_EXTENSION_get_object(ex)));
803
804 if (clrext || (ext_names != NULL && strstr(ext_names, sn) == NULL))
805 X509_EXTENSION_free(X509_delete_ext(x, i));
806 }
807
808 issuer_cert = x;
809 if (CAfile != NULL) {
810 issuer_cert = xca;
811 if (sno == NULL)
812 sno = x509_load_serial(CAfile, CAserial, CA_createserial);
813 if (sno == NULL)
814 goto end;
815 if (!x509toreq && !reqfile && !newcert && !self_signed(ctx, x))
816 goto end;
817 }
818
819 if (sno != NULL && !X509_set_serialNumber(x, sno))
820 goto end;
821
822 if (reqfile || newcert || privkey != NULL || CAfile != NULL) {
823 if (!preserve_dates && !set_cert_times(x, NULL, NULL, days))
824 goto end;
825 if (!X509_set_issuer_name(x, X509_get_subject_name(issuer_cert)))
826 goto end;
827 }
828
829 X509V3_set_ctx(&ext_ctx, issuer_cert, x, NULL, NULL, X509V3_CTX_REPLACE);
830 /* prepare fallback for AKID, but only if issuer cert equals subject cert */
831 if (CAfile == NULL) {
832 if (!X509V3_set_issuer_pkey(&ext_ctx, privkey))
833 goto end;
834 }
835 if (extconf != NULL && !x509toreq) {
836 X509V3_set_nconf(&ext_ctx, extconf);
837 if (!X509V3_EXT_add_nconf(extconf, &ext_ctx, extsect, x)) {
838 BIO_printf(bio_err,
839 "Error adding extensions from section %s\n", extsect);
840 goto end;
841 }
842 }
843
844 /* At this point the contents of the certificate x have been finished. */
845
846 pkey = X509_get0_pubkey(x);
847 if ((print_pubkey != 0 || modulus != 0) && pkey == NULL) {
848 BIO_printf(bio_err, "Error getting public key\n");
849 goto end;
850 }
851
852 if (x509toreq) { /* also works in conjunction with -req */
853 if (privkey == NULL) {
854 BIO_printf(bio_err, "Must specify request signing key using -key\n");
855 goto end;
856 }
857 if (clrext && ext_copy != EXT_COPY_NONE) {
858 BIO_printf(bio_err, "Must not use -clrext together with -copy_extensions\n");
859 goto end;
860 }
861 if ((rq = x509_to_req(x, ext_copy, ext_names)) == NULL)
862 goto end;
863 if (extconf != NULL) {
864 X509V3_set_nconf(&ext_ctx, extconf);
865 if (!X509V3_EXT_REQ_add_nconf(extconf, &ext_ctx, extsect, rq)) {
866 BIO_printf(bio_err,
867 "Error adding request extensions from section %s\n", extsect);
868 goto end;
869 }
870 }
871 if (!do_X509_REQ_sign(rq, privkey, digest, sigopts))
872 goto end;
873 if (!noout) {
874 if (outformat == FORMAT_ASN1) {
875 X509_REQ_print_ex(out, rq, get_nameopt(), X509_FLAG_COMPAT);
876 i = i2d_X509_bio(out, x);
877 } else {
878 i = PEM_write_bio_X509_REQ(out, rq);
879 }
880 if (!i) {
881 BIO_printf(bio_err,
882 "Unable to write certificate request\n");
883 goto end;
884 }
885 }
886 noout = 1;
887 } else if (privkey != NULL) {
888 if (!do_X509_sign(x, privkey, digest, sigopts, &ext_ctx))
889 goto end;
890 } else if (CAfile != NULL) {
891 if ((CAkey = load_key(CAkeyfile, CAkeyformat,
892 0, passin, e, "CA private key")) == NULL)
893 goto end;
894 if (!X509_check_private_key(xca, CAkey)) {
895 BIO_printf(bio_err,
896 "CA certificate and CA private key do not match\n");
897 goto end;
898 }
899
900 if (!do_X509_sign(x, CAkey, digest, sigopts, &ext_ctx))
901 goto end;
902 }
903 if (badsig) {
904 const ASN1_BIT_STRING *signature;
905
906 X509_get0_signature(&signature, NULL, x);
907 corrupt_signature(signature);
908 }
909
910 /* Process print options in the given order, as indicated by index i */
911 for (i = 1; i <= num; i++) {
912 if (i == issuer) {
913 print_name(out, "issuer=", X509_get_issuer_name(x));
914 } else if (i == subject) {
915 print_name(out, "subject=", X509_get_subject_name(x));
916 } else if (i == serial) {
917 BIO_printf(out, "serial=");
918 i2a_ASN1_INTEGER(out, X509_get0_serialNumber(x));
919 BIO_printf(out, "\n");
920 } else if (i == next_serial) {
921 ASN1_INTEGER *ser;
922 BIGNUM *bnser = ASN1_INTEGER_to_BN(X509_get0_serialNumber(x), NULL);
923
924 if (bnser == NULL)
925 goto end;
926 if (!BN_add_word(bnser, 1)
927 || (ser = BN_to_ASN1_INTEGER(bnser, NULL)) == NULL) {
928 BN_free(bnser);
929 goto end;
930 }
931 BN_free(bnser);
932 i2a_ASN1_INTEGER(out, ser);
933 ASN1_INTEGER_free(ser);
934 BIO_puts(out, "\n");
935 } else if (i == email || i == ocsp_uri) {
936 STACK_OF(OPENSSL_STRING) *emlst =
937 i == email ? X509_get1_email(x) : X509_get1_ocsp(x);
938
939 for (j = 0; j < sk_OPENSSL_STRING_num(emlst); j++)
940 BIO_printf(out, "%s\n", sk_OPENSSL_STRING_value(emlst, j));
941 X509_email_free(emlst);
942 } else if (i == aliasout) {
943 unsigned char *alstr = X509_alias_get0(x, NULL);
944
945 if (alstr)
946 BIO_printf(out, "%s\n", alstr);
947 else
948 BIO_puts(out, "<No Alias>\n");
949 } else if (i == subject_hash) {
950 BIO_printf(out, "%08lx\n", X509_subject_name_hash(x));
951#ifndef OPENSSL_NO_MD5
952 } else if (i == subject_hash_old) {
953 BIO_printf(out, "%08lx\n", X509_subject_name_hash_old(x));
954#endif
955 } else if (i == issuer_hash) {
956 BIO_printf(out, "%08lx\n", X509_issuer_name_hash(x));
957#ifndef OPENSSL_NO_MD5
958 } else if (i == issuer_hash_old) {
959 BIO_printf(out, "%08lx\n", X509_issuer_name_hash_old(x));
960#endif
961 } else if (i == pprint) {
962 BIO_printf(out, "Certificate purposes:\n");
963 for (j = 0; j < X509_PURPOSE_get_count(); j++)
964 purpose_print(out, x, X509_PURPOSE_get0(j));
965 } else if (i == modulus) {
966 BIO_printf(out, "Modulus=");
967 if (EVP_PKEY_is_a(pkey, "RSA") || EVP_PKEY_is_a(pkey, "RSA-PSS")) {
968 BIGNUM *n = NULL;
969
970 /* Every RSA key has an 'n' */
971 EVP_PKEY_get_bn_param(pkey, "n", &n);
972 BN_print(out, n);
973 BN_free(n);
974 } else if (EVP_PKEY_is_a(pkey, "DSA")) {
975 BIGNUM *dsapub = NULL;
976
977 /* Every DSA key has a 'pub' */
978 EVP_PKEY_get_bn_param(pkey, "pub", &dsapub);
979 BN_print(out, dsapub);
980 BN_free(dsapub);
981 } else {
982 BIO_printf(out, "No modulus for this public key type");
983 }
984 BIO_printf(out, "\n");
985 } else if (i == print_pubkey) {
986 PEM_write_bio_PUBKEY(out, pkey);
987 } else if (i == text) {
988 X509_print_ex(out, x, get_nameopt(), certflag);
989 } else if (i == startdate) {
990 BIO_puts(out, "notBefore=");
991 ASN1_TIME_print_ex(out, X509_get0_notBefore(x), dateopt);
992 BIO_puts(out, "\n");
993 } else if (i == enddate) {
994 BIO_puts(out, "notAfter=");
995 ASN1_TIME_print_ex(out, X509_get0_notAfter(x), dateopt);
996 BIO_puts(out, "\n");
997 } else if (i == fingerprint) {
998 unsigned int n;
999 unsigned char md[EVP_MAX_MD_SIZE];
1000 const char *fdigname = digest;
1001 EVP_MD *fdig;
1002 int digres;
1003
1004 if (fdigname == NULL)
1005 fdigname = "SHA1";
1006
1007 if ((fdig = EVP_MD_fetch(app_get0_libctx(), fdigname,
1008 app_get0_propq())) == NULL) {
1009 BIO_printf(bio_err, "Unknown digest\n");
1010 goto end;
1011 }
1012 digres = X509_digest(x, fdig, md, &n);
1013 EVP_MD_free(fdig);
1014 if (!digres) {
1015 BIO_printf(bio_err, "Out of memory\n");
1016 goto end;
1017 }
1018
1019 BIO_printf(out, "%s Fingerprint=", fdigname);
1020 for (j = 0; j < (int)n; j++)
1021 BIO_printf(out, "%02X%c", md[j], (j + 1 == (int)n) ? '\n' : ':');
1022 } else if (i == ocspid) {
1023 X509_ocspid_print(out, x);
1024 } else if (i == ext) {
1025 print_x509v3_exts(out, x, ext_names);
1026 }
1027 }
1028
1029 if (checkend) {
1030 time_t tcheck = time(NULL) + checkoffset;
1031
1032 ret = X509_cmp_time(X509_get0_notAfter(x), &tcheck) < 0;
1033 if (ret)
1034 BIO_printf(out, "Certificate will expire\n");
1035 else
1036 BIO_printf(out, "Certificate will not expire\n");
1037 goto end;
1038 }
1039
1040 print_cert_checks(out, x, checkhost, checkemail, checkip);
1041
1042 if (noout || nocert) {
1043 ret = 0;
1044 goto end;
1045 }
1046
1047 if (outformat == FORMAT_ASN1) {
1048 i = i2d_X509_bio(out, x);
1049 } else if (outformat == FORMAT_PEM) {
1050 if (trustout)
1051 i = PEM_write_bio_X509_AUX(out, x);
1052 else
1053 i = PEM_write_bio_X509(out, x);
1054 } else {
1055 BIO_printf(bio_err, "Bad output format specified for outfile\n");
1056 goto end;
1057 }
1058 if (!i) {
1059 BIO_printf(bio_err, "Unable to write certificate\n");
1060 goto end;
1061 }
1062 ret = 0;
1063
1064 end:
1065 if (ret != 0)
1066 ERR_print_errors(bio_err);
1067 NCONF_free(extconf);
1068 BIO_free_all(out);
1069 X509_STORE_free(ctx);
1070 X509_NAME_free(fsubj);
1071 X509_REQ_free(req);
1072 X509_free(x);
1073 X509_free(xca);
1074 EVP_PKEY_free(privkey);
1075 EVP_PKEY_free(CAkey);
1076 EVP_PKEY_free(pubkey);
1077 sk_OPENSSL_STRING_free(sigopts);
1078 sk_OPENSSL_STRING_free(vfyopts);
1079 X509_REQ_free(rq);
1080 ASN1_INTEGER_free(sno);
1081 sk_ASN1_OBJECT_pop_free(trust, ASN1_OBJECT_free);
1082 sk_ASN1_OBJECT_pop_free(reject, ASN1_OBJECT_free);
1083 release_engine(e);
1084 clear_free(passin);
1085 return ret;
1086}
1087
1088static ASN1_INTEGER *x509_load_serial(const char *CAfile,
1089 const char *serialfile, int create)
1090{
1091 char *buf = NULL;
1092 ASN1_INTEGER *bs = NULL;
1093 BIGNUM *serial = NULL;
1094 int defaultfile = 0, file_exists;
1095
1096 if (serialfile == NULL) {
1097 const char *p = strrchr(CAfile, '.');
1098 size_t len = p != NULL ? (size_t)(p - CAfile) : strlen(CAfile);
1099
1100 buf = app_malloc(len + sizeof(POSTFIX), "serial# buffer");
1101 memcpy(buf, CAfile, len);
1102 memcpy(buf + len, POSTFIX, sizeof(POSTFIX));
1103 serialfile = buf;
1104 defaultfile = 1;
1105 }
1106
1107 serial = load_serial(serialfile, &file_exists, create || defaultfile, NULL);
1108 if (serial == NULL)
1109 goto end;
1110
1111 if (!BN_add_word(serial, 1)) {
1112 BIO_printf(bio_err, "Serial number increment failure\n");
1113 goto end;
1114 }
1115
1116 if (file_exists || create)
1117 save_serial(serialfile, NULL, serial, &bs);
1118 else
1119 bs = BN_to_ASN1_INTEGER(serial, NULL);
1120
1121 end:
1122 OPENSSL_free(buf);
1123 BN_free(serial);
1124 return bs;
1125}
1126
1127static int callb(int ok, X509_STORE_CTX *ctx)
1128{
1129 int err;
1130 X509 *err_cert;
1131
1132 /*
1133 * It is ok to use a self-signed certificate. This case will catch both
1134 * the initial ok == 0 and the final ok == 1 calls to this function.
1135 */
1136 err = X509_STORE_CTX_get_error(ctx);
1137 if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
1138 return 1;
1139
1140 /*
1141 * BAD we should have gotten an error. Normally if everything worked
1142 * X509_STORE_CTX_get_error(ctx) will still be set to
1143 * DEPTH_ZERO_SELF_....
1144 */
1145 if (ok) {
1146 BIO_printf(bio_err,
1147 "Error with certificate to be certified - should be self-signed\n");
1148 return 0;
1149 } else {
1150 err_cert = X509_STORE_CTX_get_current_cert(ctx);
1151 print_name(bio_err, "subject=", X509_get_subject_name(err_cert));
1152 BIO_printf(bio_err,
1153 "Error with certificate - error %d at depth %d\n%s\n", err,
1154 X509_STORE_CTX_get_error_depth(ctx),
1155 X509_verify_cert_error_string(err));
1156 return 1;
1157 }
1158}
1159
1160static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt)
1161{
1162 int id, i, idret;
1163 const char *pname;
1164 id = X509_PURPOSE_get_id(pt);
1165 pname = X509_PURPOSE_get0_name(pt);
1166 for (i = 0; i < 2; i++) {
1167 idret = X509_check_purpose(cert, id, i);
1168 BIO_printf(bio, "%s%s : ", pname, i ? " CA" : "");
1169 if (idret == 1)
1170 BIO_printf(bio, "Yes\n");
1171 else if (idret == 0)
1172 BIO_printf(bio, "No\n");
1173 else
1174 BIO_printf(bio, "Yes (WARNING code=%d)\n", idret);
1175 }
1176 return 1;
1177}
1178
1179static int parse_ext_names(char *names, const char **result)
1180{
1181 char *p, *q;
1182 int cnt = 0, len = 0;
1183
1184 p = q = names;
1185 len = strlen(names);
1186
1187 while (q - names <= len) {
1188 if (*q != ',' && *q != '\0') {
1189 q++;
1190 continue;
1191 }
1192 if (p != q) {
1193 /* found */
1194 if (result != NULL) {
1195 result[cnt] = p;
1196 *q = '\0';
1197 }
1198 cnt++;
1199 }
1200 p = ++q;
1201 }
1202
1203 return cnt;
1204}
1205
1206static int print_x509v3_exts(BIO *bio, X509 *x, const char *ext_names)
1207{
1208 const STACK_OF(X509_EXTENSION) *exts = NULL;
1209 STACK_OF(X509_EXTENSION) *exts2 = NULL;
1210 X509_EXTENSION *ext = NULL;
1211 ASN1_OBJECT *obj;
1212 int i, j, ret = 0, num, nn = 0;
1213 const char *sn, **names = NULL;
1214 char *tmp_ext_names = NULL;
1215
1216 exts = X509_get0_extensions(x);
1217 if ((num = sk_X509_EXTENSION_num(exts)) <= 0) {
1218 BIO_printf(bio_err, "No extensions in certificate\n");
1219 ret = 1;
1220 goto end;
1221 }
1222
1223 /* parse comma separated ext name string */
1224 if ((tmp_ext_names = OPENSSL_strdup(ext_names)) == NULL)
1225 goto end;
1226 if ((nn = parse_ext_names(tmp_ext_names, NULL)) == 0) {
1227 BIO_printf(bio, "Invalid extension names: %s\n", ext_names);
1228 goto end;
1229 }
1230 if ((names = OPENSSL_malloc(sizeof(char *) * nn)) == NULL)
1231 goto end;
1232 parse_ext_names(tmp_ext_names, names);
1233
1234 for (i = 0; i < num; i++) {
1235 ext = sk_X509_EXTENSION_value(exts, i);
1236
1237 /* check if this ext is what we want */
1238 obj = X509_EXTENSION_get_object(ext);
1239 sn = OBJ_nid2sn(OBJ_obj2nid(obj));
1240 if (sn == NULL || strcmp(sn, "UNDEF") == 0)
1241 continue;
1242
1243 for (j = 0; j < nn; j++) {
1244 if (strcmp(sn, names[j]) == 0) {
1245 /* push the extension into a new stack */
1246 if (exts2 == NULL
1247 && (exts2 = sk_X509_EXTENSION_new_null()) == NULL)
1248 goto end;
1249 if (!sk_X509_EXTENSION_push(exts2, ext))
1250 goto end;
1251 }
1252 }
1253 }
1254
1255 if (!sk_X509_EXTENSION_num(exts2)) {
1256 BIO_printf(bio, "No extensions matched with %s\n", ext_names);
1257 ret = 1;
1258 goto end;
1259 }
1260
1261 ret = X509V3_extensions_print(bio, NULL, exts2, 0, 0);
1262 end:
1263 sk_X509_EXTENSION_free(exts2);
1264 OPENSSL_free(names);
1265 OPENSSL_free(tmp_ext_names);
1266 return ret;
1267}
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