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source: vbox/trunk/src/libs/openssl-3.4.1/apps/x509.c@ 109302

Last change on this file since 109302 was 109052, checked in by vboxsync, 4 weeks ago

openssl-3.4.1: Applied our changes, regenerated files, added missing files and functions. This time with a three way merge. ​bugref:10890
  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 44.2 KB
Line 
1/*
2 * Copyright 1995-2024 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#include "internal/e_os.h" /* For isatty() */
29
30#undef POSTFIX
31#define POSTFIX ".srl"
32#define DEFAULT_DAYS 30 /* default certificate validity period in days */
33#define UNSET_DAYS -2 /* -1 may be used for testing expiration checks */
34#define EXT_COPY_UNSET -1
35
36static int callb(int ok, X509_STORE_CTX *ctx);
37static ASN1_INTEGER *x509_load_serial(const char *CAfile,
38 const char *serialfile, int create);
39static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt);
40static int print_x509v3_exts(BIO *bio, X509 *x, const char *ext_names);
41
42typedef enum OPTION_choice {
43 OPT_COMMON,
44 OPT_INFORM, OPT_OUTFORM, OPT_KEYFORM, OPT_REQ, OPT_CAFORM,
45 OPT_CAKEYFORM, OPT_VFYOPT, OPT_SIGOPT, OPT_DAYS, OPT_PASSIN, OPT_EXTFILE,
46 OPT_EXTENSIONS, OPT_IN, OPT_OUT, OPT_KEY, OPT_SIGNKEY, OPT_CA, OPT_CAKEY,
47 OPT_CASERIAL, OPT_SET_SERIAL, OPT_NEW, OPT_FORCE_PUBKEY, OPT_ISSU, OPT_SUBJ,
48 OPT_ADDTRUST, OPT_ADDREJECT, OPT_SETALIAS, OPT_CERTOPT, OPT_DATEOPT, OPT_NAMEOPT,
49 OPT_EMAIL, OPT_OCSP_URI, OPT_SERIAL, OPT_NEXT_SERIAL,
50 OPT_MODULUS, OPT_PUBKEY, OPT_X509TOREQ, OPT_TEXT, OPT_HASH,
51 OPT_ISSUER_HASH, OPT_SUBJECT, OPT_ISSUER, OPT_FINGERPRINT, OPT_DATES,
52 OPT_PURPOSE, OPT_STARTDATE, OPT_ENDDATE, OPT_CHECKEND, OPT_CHECKHOST,
53 OPT_CHECKEMAIL, OPT_CHECKIP, OPT_NOOUT, OPT_TRUSTOUT, OPT_CLRTRUST,
54 OPT_CLRREJECT, OPT_ALIAS, OPT_CACREATESERIAL, OPT_CLREXT, OPT_OCSPID,
55 OPT_SUBJECT_HASH_OLD, OPT_ISSUER_HASH_OLD, OPT_COPY_EXTENSIONS,
56 OPT_BADSIG, OPT_MD, OPT_ENGINE, OPT_NOCERT, OPT_PRESERVE_DATES,
57 OPT_NOT_BEFORE, OPT_NOT_AFTER,
58 OPT_R_ENUM, OPT_PROV_ENUM, OPT_EXT
59} OPTION_CHOICE;
60
61const OPTIONS x509_options[] = {
62 OPT_SECTION("General"),
63 {"help", OPT_HELP, '-', "Display this summary"},
64
65 {"in", OPT_IN, '<',
66 "Certificate input, or CSR input file with -req (default stdin)"},
67 {"passin", OPT_PASSIN, 's', "Private key and cert file pass-phrase source"},
68 {"new", OPT_NEW, '-', "Generate a certificate from scratch"},
69 {"x509toreq", OPT_X509TOREQ, '-',
70 "Output a certification request (rather than a certificate)"},
71 {"req", OPT_REQ, '-', "Input is a CSR file (rather than a certificate)"},
72 {"copy_extensions", OPT_COPY_EXTENSIONS, 's',
73 "copy extensions when converting from CSR to x509 or vice versa"},
74 {"inform", OPT_INFORM, 'f',
75 "CSR input format to use (PEM or DER; by default try PEM first)"},
76 {"vfyopt", OPT_VFYOPT, 's', "CSR verification parameter in n:v form"},
77 {"key", OPT_KEY, 's',
78 "Key for signing, and to include unless using -force_pubkey"},
79 {"signkey", OPT_SIGNKEY, 's',
80 "Same as -key"},
81 {"keyform", OPT_KEYFORM, 'E',
82 "Key input format (ENGINE, other values ignored)"},
83 {"out", OPT_OUT, '>', "Output file - default stdout"},
84 {"outform", OPT_OUTFORM, 'f',
85 "Output format (DER or PEM) - default PEM"},
86 {"nocert", OPT_NOCERT, '-',
87 "No cert output (except for requested printing)"},
88 {"noout", OPT_NOOUT, '-', "No output (except for requested printing)"},
89
90 OPT_SECTION("Certificate printing"),
91 {"text", OPT_TEXT, '-', "Print the certificate in text form"},
92 {"dateopt", OPT_DATEOPT, 's',
93 "Datetime format used for printing. (rfc_822/iso_8601). Default is rfc_822."},
94 {"certopt", OPT_CERTOPT, 's', "Various certificate text printing options"},
95 {"fingerprint", OPT_FINGERPRINT, '-', "Print the certificate fingerprint"},
96 {"alias", OPT_ALIAS, '-', "Print certificate alias"},
97 {"serial", OPT_SERIAL, '-', "Print serial number value"},
98 {"startdate", OPT_STARTDATE, '-', "Print the notBefore field"},
99 {"enddate", OPT_ENDDATE, '-', "Print the notAfter field"},
100 {"dates", OPT_DATES, '-', "Print both notBefore and notAfter fields"},
101 {"subject", OPT_SUBJECT, '-', "Print subject DN"},
102 {"issuer", OPT_ISSUER, '-', "Print issuer DN"},
103 {"nameopt", OPT_NAMEOPT, 's',
104 "Certificate subject/issuer name printing options"},
105 {"email", OPT_EMAIL, '-', "Print email address(es)"},
106 {"hash", OPT_HASH, '-', "Synonym for -subject_hash (for backward compat)"},
107 {"subject_hash", OPT_HASH, '-', "Print subject hash value"},
108#ifndef OPENSSL_NO_MD5
109 {"subject_hash_old", OPT_SUBJECT_HASH_OLD, '-',
110 "Print old-style (MD5) subject hash value"},
111#endif
112 {"issuer_hash", OPT_ISSUER_HASH, '-', "Print issuer hash value"},
113#ifndef OPENSSL_NO_MD5
114 {"issuer_hash_old", OPT_ISSUER_HASH_OLD, '-',
115 "Print old-style (MD5) issuer hash value"},
116#endif
117 {"ext", OPT_EXT, 's',
118 "Restrict which X.509 extensions to print and/or copy"},
119 {"ocspid", OPT_OCSPID, '-',
120 "Print OCSP hash values for the subject name and public key"},
121 {"ocsp_uri", OPT_OCSP_URI, '-', "Print OCSP Responder URL(s)"},
122 {"purpose", OPT_PURPOSE, '-', "Print out certificate purposes"},
123 {"pubkey", OPT_PUBKEY, '-', "Print the public key in PEM format"},
124 {"modulus", OPT_MODULUS, '-', "Print the RSA key modulus"},
125
126 OPT_SECTION("Certificate checking"),
127 {"checkend", OPT_CHECKEND, 'M',
128 "Check whether cert expires in the next arg seconds"},
129 {OPT_MORE_STR, 1, 1, "Exit 1 (failure) if so, 0 if not"},
130 {"checkhost", OPT_CHECKHOST, 's', "Check certificate matches host"},
131 {"checkemail", OPT_CHECKEMAIL, 's', "Check certificate matches email"},
132 {"checkip", OPT_CHECKIP, 's', "Check certificate matches ipaddr"},
133
134 OPT_SECTION("Certificate output"),
135 {"set_serial", OPT_SET_SERIAL, 's',
136 "Serial number to use, overrides -CAserial"},
137 {"next_serial", OPT_NEXT_SERIAL, '-',
138 "Increment current certificate serial number"},
139 {"not_before", OPT_NOT_BEFORE, 's',
140 "[CC]YYMMDDHHMMSSZ value for notBefore certificate field"},
141 {"not_after", OPT_NOT_AFTER, 's',
142 "[CC]YYMMDDHHMMSSZ value for notAfter certificate field, overrides -days"},
143 {"days", OPT_DAYS, 'n',
144 "Number of days until newly generated certificate expires - default 30"},
145 {"preserve_dates", OPT_PRESERVE_DATES, '-',
146 "Preserve existing validity dates"},
147 {"set_issuer", OPT_ISSU, 's', "Set or override certificate issuer"},
148 {"set_subject", OPT_SUBJ, 's', "Set or override certificate subject (and issuer)"},
149 {"subj", OPT_SUBJ, 's', "Alias for -set_subject"},
150 {"force_pubkey", OPT_FORCE_PUBKEY, '<',
151 "Key to be placed in new certificate or certificate request"},
152 {"clrext", OPT_CLREXT, '-',
153 "Do not take over any extensions from the source certificate or request"},
154 {"extfile", OPT_EXTFILE, '<', "Config file with X509V3 extensions to add"},
155 {"extensions", OPT_EXTENSIONS, 's',
156 "Section of extfile to use - default: unnamed section"},
157 {"sigopt", OPT_SIGOPT, 's', "Signature parameter, in n:v form"},
158 {"badsig", OPT_BADSIG, '-',
159 "Corrupt last byte of certificate signature (for test)"},
160 {"", OPT_MD, '-', "Any supported digest, used for signing and printing"},
161
162 OPT_SECTION("Micro-CA"),
163 {"CA", OPT_CA, '<',
164 "Use the given CA certificate, conflicts with -key"},
165 {"CAform", OPT_CAFORM, 'F', "CA cert format (PEM/DER/P12); has no effect"},
166 {"CAkey", OPT_CAKEY, 's', "The corresponding CA key; default is -CA arg"},
167 {"CAkeyform", OPT_CAKEYFORM, 'E',
168 "CA key format (ENGINE, other values ignored)"},
169 {"CAserial", OPT_CASERIAL, 's',
170 "File that keeps track of CA-generated serial number"},
171 {"CAcreateserial", OPT_CACREATESERIAL, '-',
172 "Create CA serial number file if it does not exist"},
173
174 OPT_SECTION("Certificate trust output"),
175 {"trustout", OPT_TRUSTOUT, '-', "Mark certificate PEM output as trusted"},
176 {"setalias", OPT_SETALIAS, 's', "Set certificate alias (nickname)"},
177 {"clrtrust", OPT_CLRTRUST, '-', "Clear all trusted purposes"},
178 {"addtrust", OPT_ADDTRUST, 's', "Trust certificate for a given purpose"},
179 {"clrreject", OPT_CLRREJECT, '-',
180 "Clears all the prohibited or rejected uses of the certificate"},
181 {"addreject", OPT_ADDREJECT, 's',
182 "Reject certificate for a given purpose"},
183
184 OPT_R_OPTIONS,
185#ifndef OPENSSL_NO_ENGINE
186 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
187#endif
188 OPT_PROV_OPTIONS,
189 {NULL}
190};
191
192static void warn_copying(ASN1_OBJECT *excluded, const char *names)
193{
194 const char *sn = OBJ_nid2sn(OBJ_obj2nid(excluded));
195
196 if (names != NULL && strstr(names, sn) != NULL)
197 BIO_printf(bio_err,
198 "Warning: -ext should not specify copying %s extension to CSR; ignoring this\n",
199 sn);
200}
201
202static X509_REQ *x509_to_req(X509 *cert, int ext_copy, const char *names)
203{
204 const STACK_OF(X509_EXTENSION) *cert_exts = X509_get0_extensions(cert);
205 int i, n = sk_X509_EXTENSION_num(cert_exts /* may be NULL */);
206 ASN1_OBJECT *skid = OBJ_nid2obj(NID_subject_key_identifier);
207 ASN1_OBJECT *akid = OBJ_nid2obj(NID_authority_key_identifier);
208 STACK_OF(X509_EXTENSION) *exts;
209 X509_REQ *req = X509_to_X509_REQ(cert, NULL, NULL);
210
211 if (req == NULL)
212 return NULL;
213
214 /*
215 * Filter out SKID and AKID extensions, which make no sense in a CSR.
216 * If names is not NULL, copy only those extensions listed there.
217 */
218 warn_copying(skid, names);
219 warn_copying(akid, names);
220 if ((exts = sk_X509_EXTENSION_new_reserve(NULL, n)) == NULL)
221 goto err;
222 for (i = 0; i < n; i++) {
223 X509_EXTENSION *ex = sk_X509_EXTENSION_value(cert_exts, i);
224 ASN1_OBJECT *obj = X509_EXTENSION_get_object(ex);
225
226 if (OBJ_cmp(obj, skid) != 0 && OBJ_cmp(obj, akid) != 0
227 && !sk_X509_EXTENSION_push(exts, ex))
228 goto err;
229 }
230
231 if (sk_X509_EXTENSION_num(exts) > 0) {
232 if (ext_copy != EXT_COPY_UNSET && ext_copy != EXT_COPY_NONE
233 && !X509_REQ_add_extensions(req, exts)) {
234 BIO_printf(bio_err, "Error copying extensions from certificate\n");
235 goto err;
236 }
237 }
238 sk_X509_EXTENSION_free(exts);
239 return req;
240
241 err:
242 sk_X509_EXTENSION_free(exts);
243 X509_REQ_free(req);
244 return NULL;
245}
246
247static int self_signed(X509_STORE *ctx, X509 *cert)
248{
249 X509_STORE_CTX *xsc = X509_STORE_CTX_new();
250 int ret = 0;
251
252 if (xsc == NULL || !X509_STORE_CTX_init(xsc, ctx, cert, NULL)) {
253 BIO_printf(bio_err, "Error initialising X509 store\n");
254 } else {
255 X509_STORE_CTX_set_flags(xsc, X509_V_FLAG_CHECK_SS_SIGNATURE);
256 ret = X509_verify_cert(xsc) > 0;
257 }
258 X509_STORE_CTX_free(xsc);
259 return ret;
260}
261
262int x509_main(int argc, char **argv)
263{
264 ASN1_INTEGER *sno = NULL;
265 ASN1_OBJECT *objtmp = NULL;
266 BIO *out = NULL;
267 CONF *extconf = NULL;
268 int ext_copy = EXT_COPY_UNSET;
269 X509V3_CTX ext_ctx;
270 EVP_PKEY *privkey = NULL, *CAkey = NULL, *pubkey = NULL;
271 EVP_PKEY *pkey;
272 int newcert = 0;
273 char *issu = NULL, *subj = NULL, *digest = NULL;
274 X509_NAME *fissu = NULL, *fsubj = NULL;
275 const unsigned long chtype = MBSTRING_ASC;
276 const int multirdn = 1;
277 STACK_OF(ASN1_OBJECT) *trust = NULL, *reject = NULL;
278 STACK_OF(OPENSSL_STRING) *sigopts = NULL, *vfyopts = NULL;
279 X509 *x = NULL, *xca = NULL, *issuer_cert;
280 X509_REQ *req = NULL, *rq = NULL;
281 X509_STORE *ctx = NULL;
282 char *CAkeyfile = NULL, *CAserial = NULL, *pubkeyfile = NULL, *alias = NULL;
283 char *checkhost = NULL, *checkemail = NULL, *checkip = NULL;
284 char *ext_names = NULL;
285 char *extsect = NULL, *extfile = NULL, *passin = NULL, *passinarg = NULL;
286 char *infile = NULL, *outfile = NULL, *privkeyfile = NULL, *CAfile = NULL;
287 char *prog, *not_before = NULL, *not_after = NULL;
288 int days = UNSET_DAYS; /* not explicitly set */
289 int x509toreq = 0, modulus = 0, print_pubkey = 0, pprint = 0;
290 int CAformat = FORMAT_UNDEF, CAkeyformat = FORMAT_UNDEF;
291 unsigned long dateopt = ASN1_DTFLGS_RFC822;
292 int fingerprint = 0, reqfile = 0, checkend = 0;
293 int informat = FORMAT_UNDEF, outformat = FORMAT_PEM, keyformat = FORMAT_UNDEF;
294 int next_serial = 0, subject_hash = 0, issuer_hash = 0, ocspid = 0;
295 int noout = 0, CA_createserial = 0, email = 0;
296 int ocsp_uri = 0, trustout = 0, clrtrust = 0, clrreject = 0, aliasout = 0;
297 int ret = 1, i, j, num = 0, badsig = 0, clrext = 0, nocert = 0;
298 int text = 0, serial = 0, subject = 0, issuer = 0, startdate = 0, ext = 0;
299 int enddate = 0;
300 time_t checkoffset = 0;
301 unsigned long certflag = 0;
302 int preserve_dates = 0;
303 OPTION_CHOICE o;
304 ENGINE *e = NULL;
305#ifndef OPENSSL_NO_MD5
306 int subject_hash_old = 0, issuer_hash_old = 0;
307#endif
308
309 ctx = X509_STORE_new();
310 if (ctx == NULL)
311 goto err;
312 X509_STORE_set_verify_cb(ctx, callb);
313
314 opt_set_unknown_name("digest");
315 prog = opt_init(argc, argv, x509_options);
316 while ((o = opt_next()) != OPT_EOF) {
317 switch (o) {
318 case OPT_EOF:
319 case OPT_ERR:
320 opthelp:
321 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
322 goto err;
323 case OPT_HELP:
324 opt_help(x509_options);
325 ret = 0;
326 goto end;
327 case OPT_INFORM:
328 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &informat))
329 goto opthelp;
330 break;
331 case OPT_IN:
332 infile = opt_arg();
333 break;
334 case OPT_OUTFORM:
335 if (!opt_format(opt_arg(), OPT_FMT_ANY, &outformat))
336 goto opthelp;
337 break;
338 case OPT_KEYFORM:
339 if (!opt_format(opt_arg(), OPT_FMT_ANY, &keyformat))
340 goto opthelp;
341 break;
342 case OPT_CAFORM:
343 if (!opt_format(opt_arg(), OPT_FMT_ANY, &CAformat))
344 goto opthelp;
345 break;
346 case OPT_CAKEYFORM:
347 if (!opt_format(opt_arg(), OPT_FMT_ANY, &CAkeyformat))
348 goto opthelp;
349 break;
350 case OPT_OUT:
351 outfile = opt_arg();
352 break;
353 case OPT_REQ:
354 reqfile = 1;
355 break;
356
357 case OPT_DATEOPT:
358 if (!set_dateopt(&dateopt, opt_arg())) {
359 BIO_printf(bio_err,
360 "Invalid date format: %s\n", opt_arg());
361 goto err;
362 }
363 break;
364 case OPT_COPY_EXTENSIONS:
365 if (!set_ext_copy(&ext_copy, opt_arg())) {
366 BIO_printf(bio_err,
367 "Invalid extension copy option: %s\n", opt_arg());
368 goto err;
369 }
370 break;
371
372 case OPT_SIGOPT:
373 if (!sigopts)
374 sigopts = sk_OPENSSL_STRING_new_null();
375 if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, opt_arg()))
376 goto opthelp;
377 break;
378 case OPT_VFYOPT:
379 if (!vfyopts)
380 vfyopts = sk_OPENSSL_STRING_new_null();
381 if (!vfyopts || !sk_OPENSSL_STRING_push(vfyopts, opt_arg()))
382 goto opthelp;
383 break;
384 case OPT_NOT_BEFORE:
385 not_before = opt_arg();
386 break;
387 case OPT_NOT_AFTER:
388 not_after = opt_arg();
389 break;
390 case OPT_DAYS:
391 days = atoi(opt_arg());
392 if (days <= UNSET_DAYS) {
393 BIO_printf(bio_err, "%s: -days parameter arg must be >= -1\n",
394 prog);
395 goto err;
396 }
397 break;
398 case OPT_PASSIN:
399 passinarg = opt_arg();
400 break;
401 case OPT_EXTFILE:
402 extfile = opt_arg();
403 break;
404 case OPT_R_CASES:
405 if (!opt_rand(o))
406 goto end;
407 break;
408 case OPT_PROV_CASES:
409 if (!opt_provider(o))
410 goto end;
411 break;
412 case OPT_EXTENSIONS:
413 extsect = opt_arg();
414 break;
415 case OPT_KEY:
416 case OPT_SIGNKEY:
417 privkeyfile = opt_arg();
418 break;
419 case OPT_CA:
420 CAfile = opt_arg();
421 break;
422 case OPT_CAKEY:
423 CAkeyfile = opt_arg();
424 break;
425 case OPT_CASERIAL:
426 CAserial = opt_arg();
427 break;
428 case OPT_SET_SERIAL:
429 if (sno != NULL) {
430 BIO_printf(bio_err, "Serial number supplied twice\n");
431 goto opthelp;
432 }
433 if ((sno = s2i_ASN1_INTEGER(NULL, opt_arg())) == NULL)
434 goto opthelp;
435 break;
436 case OPT_NEW:
437 newcert = 1;
438 break;
439 case OPT_FORCE_PUBKEY:
440 pubkeyfile = opt_arg();
441 break;
442 case OPT_ISSU:
443 issu = opt_arg();
444 break;
445 case OPT_SUBJ:
446 subj = opt_arg();
447 break;
448 case OPT_ADDTRUST:
449 if (trust == NULL && (trust = sk_ASN1_OBJECT_new_null()) == NULL)
450 goto end;
451 if ((objtmp = OBJ_txt2obj(opt_arg(), 0)) == NULL) {
452 BIO_printf(bio_err, "%s: Invalid trust object value %s\n",
453 prog, opt_arg());
454 goto opthelp;
455 }
456 sk_ASN1_OBJECT_push(trust, objtmp);
457 trustout = 1;
458 break;
459 case OPT_ADDREJECT:
460 if (reject == NULL && (reject = sk_ASN1_OBJECT_new_null()) == NULL)
461 goto end;
462 if ((objtmp = OBJ_txt2obj(opt_arg(), 0)) == NULL) {
463 BIO_printf(bio_err, "%s: Invalid reject object value %s\n",
464 prog, opt_arg());
465 goto opthelp;
466 }
467 sk_ASN1_OBJECT_push(reject, objtmp);
468 trustout = 1;
469 break;
470 case OPT_SETALIAS:
471 alias = opt_arg();
472 trustout = 1;
473 break;
474 case OPT_CERTOPT:
475 if (!set_cert_ex(&certflag, opt_arg()))
476 goto opthelp;
477 break;
478 case OPT_NAMEOPT:
479 if (!set_nameopt(opt_arg()))
480 goto opthelp;
481 break;
482 case OPT_ENGINE:
483 e = setup_engine(opt_arg(), 0);
484 break;
485 case OPT_EMAIL:
486 email = ++num;
487 break;
488 case OPT_OCSP_URI:
489 ocsp_uri = ++num;
490 break;
491 case OPT_SERIAL:
492 serial = ++num;
493 break;
494 case OPT_NEXT_SERIAL:
495 next_serial = ++num;
496 break;
497 case OPT_MODULUS:
498 modulus = ++num;
499 break;
500 case OPT_PUBKEY:
501 print_pubkey = ++num;
502 break;
503 case OPT_X509TOREQ:
504 x509toreq = 1;
505 break;
506 case OPT_TEXT:
507 text = ++num;
508 break;
509 case OPT_SUBJECT:
510 subject = ++num;
511 break;
512 case OPT_ISSUER:
513 issuer = ++num;
514 break;
515 case OPT_FINGERPRINT:
516 fingerprint = ++num;
517 break;
518 case OPT_HASH:
519 subject_hash = ++num;
520 break;
521 case OPT_ISSUER_HASH:
522 issuer_hash = ++num;
523 break;
524 case OPT_PURPOSE:
525 pprint = ++num;
526 break;
527 case OPT_STARTDATE:
528 startdate = ++num;
529 break;
530 case OPT_ENDDATE:
531 enddate = ++num;
532 break;
533 case OPT_NOOUT:
534 noout = ++num;
535 break;
536 case OPT_EXT:
537 ext = ++num;
538 ext_names = opt_arg();
539 break;
540 case OPT_NOCERT:
541 nocert = 1;
542 break;
543 case OPT_TRUSTOUT:
544 trustout = 1;
545 break;
546 case OPT_CLRTRUST:
547 clrtrust = ++num;
548 break;
549 case OPT_CLRREJECT:
550 clrreject = ++num;
551 break;
552 case OPT_ALIAS:
553 aliasout = ++num;
554 break;
555 case OPT_CACREATESERIAL:
556 CA_createserial = 1;
557 break;
558 case OPT_CLREXT:
559 clrext = 1;
560 break;
561 case OPT_OCSPID:
562 ocspid = ++num;
563 break;
564 case OPT_BADSIG:
565 badsig = 1;
566 break;
567#ifndef OPENSSL_NO_MD5
568 case OPT_SUBJECT_HASH_OLD:
569 subject_hash_old = ++num;
570 break;
571 case OPT_ISSUER_HASH_OLD:
572 issuer_hash_old = ++num;
573 break;
574#else
575 case OPT_SUBJECT_HASH_OLD:
576 case OPT_ISSUER_HASH_OLD:
577 break;
578#endif
579 case OPT_DATES:
580 startdate = ++num;
581 enddate = ++num;
582 break;
583 case OPT_CHECKEND:
584 checkend = 1;
585 {
586 ossl_intmax_t temp = 0;
587 if (!opt_intmax(opt_arg(), &temp))
588 goto opthelp;
589 checkoffset = (time_t)temp;
590 if ((ossl_intmax_t)checkoffset != temp) {
591 BIO_printf(bio_err, "%s: Checkend time out of range %s\n",
592 prog, opt_arg());
593 goto opthelp;
594 }
595 }
596 break;
597 case OPT_CHECKHOST:
598 checkhost = opt_arg();
599 break;
600 case OPT_CHECKEMAIL:
601 checkemail = opt_arg();
602 break;
603 case OPT_CHECKIP:
604 checkip = opt_arg();
605 break;
606 case OPT_PRESERVE_DATES:
607 preserve_dates = 1;
608 break;
609 case OPT_MD:
610 digest = opt_unknown();
611 break;
612 }
613 }
614 /* No extra arguments. */
615 if (!opt_check_rest_arg(NULL))
616 goto opthelp;
617
618 if (!app_RAND_load())
619 goto end;
620
621 if (!opt_check_md(digest))
622 goto opthelp;
623
624 if (preserve_dates && not_before != NULL) {
625 BIO_printf(bio_err, "Cannot use -preserve_dates with -not_before option\n");
626 goto err;
627 }
628 if (preserve_dates && not_after != NULL) {
629 BIO_printf(bio_err, "Cannot use -preserve_dates with -not_after option\n");
630 goto err;
631 }
632 if (preserve_dates && days != UNSET_DAYS) {
633 BIO_printf(bio_err, "Cannot use -preserve_dates with -days option\n");
634 goto err;
635 }
636 if (days == UNSET_DAYS)
637 days = DEFAULT_DAYS;
638 else if (not_after != NULL)
639 BIO_printf(bio_err, "Warning: -not_after option overriding -days option\n");
640
641 if (!app_passwd(passinarg, NULL, &passin, NULL)) {
642 BIO_printf(bio_err, "Error getting password\n");
643 goto err;
644 }
645
646 if (!X509_STORE_set_default_paths_ex(ctx, app_get0_libctx(),
647 app_get0_propq()))
648 goto end;
649
650 if (newcert && infile != NULL) {
651 BIO_printf(bio_err, "The -in option cannot be used with -new\n");
652 goto err;
653 }
654 if (newcert && reqfile) {
655 BIO_printf(bio_err, "The -req option cannot be used with -new\n");
656 goto err;
657 }
658 if (privkeyfile != NULL) {
659 privkey = load_key(privkeyfile, keyformat, 0, passin, e, "private key");
660 if (privkey == NULL)
661 goto end;
662 }
663 if (pubkeyfile != NULL) {
664 if ((pubkey = load_pubkey(pubkeyfile, keyformat, 0, NULL, e,
665 "explicitly set public key")) == NULL)
666 goto end;
667 }
668
669 if (newcert) {
670 if (subj == NULL) {
671 BIO_printf(bio_err,
672 "The -new option requires a subject to be set using -subj\n");
673 goto err;
674 }
675 if (privkeyfile == NULL && pubkeyfile == NULL) {
676 BIO_printf(bio_err,
677 "The -new option requires using the -key or -force_pubkey option\n");
678 goto err;
679 }
680 }
681 if (issu != NULL
682 && (fissu = parse_name(issu, chtype, multirdn, "issuer")) == NULL)
683 goto end;
684 if (subj != NULL
685 && (fsubj = parse_name(subj, chtype, multirdn, "subject")) == NULL)
686 goto end;
687
688 if (CAkeyfile == NULL)
689 CAkeyfile = CAfile;
690 if (CAfile != NULL) {
691 if (privkeyfile != NULL) {
692 BIO_printf(bio_err, "Cannot use both -key/-signkey and -CA option\n");
693 goto err;
694 }
695 } else {
696#define WARN_NO_CA(opt) BIO_printf(bio_err, \
697 "Warning: ignoring " opt " option since -CA option is not given\n");
698 if (CAkeyfile != NULL)
699 WARN_NO_CA("-CAkey");
700 if (CAkeyformat != FORMAT_UNDEF)
701 WARN_NO_CA("-CAkeyform");
702 if (CAformat != FORMAT_UNDEF)
703 WARN_NO_CA("-CAform");
704 if (CAserial != NULL)
705 WARN_NO_CA("-CAserial");
706 if (CA_createserial)
707 WARN_NO_CA("-CAcreateserial");
708 }
709
710 if (extfile == NULL) {
711 if (extsect != NULL)
712 BIO_printf(bio_err,
713 "Warning: ignoring -extensions option without -extfile\n");
714 } else {
715 X509V3_CTX ctx2;
716
717 if ((extconf = app_load_config(extfile)) == NULL)
718 goto end;
719 if (extsect == NULL) {
720 extsect = app_conf_try_string(extconf, "default", "extensions");
721 if (extsect == NULL)
722 extsect = "default";
723 }
724 X509V3_set_ctx_test(&ctx2);
725 X509V3_set_nconf(&ctx2, extconf);
726 if (!X509V3_EXT_add_nconf(extconf, &ctx2, extsect, NULL)) {
727 BIO_printf(bio_err,
728 "Error checking extension section %s\n", extsect);
729 goto err;
730 }
731 }
732
733 if (reqfile) {
734 if (infile == NULL && isatty(fileno_stdin()))
735 BIO_printf(bio_err,
736 "Warning: Reading cert request from stdin since no -in option is given\n");
737 req = load_csr_autofmt(infile, informat, vfyopts,
738 "certificate request input");
739 if (req == NULL)
740 goto end;
741
742 if ((pkey = X509_REQ_get0_pubkey(req)) == NULL) {
743 BIO_printf(bio_err, "Error unpacking public key from CSR\n");
744 goto err;
745 }
746 i = do_X509_REQ_verify(req, pkey, vfyopts);
747 if (i <= 0) {
748 BIO_printf(bio_err, i < 0
749 ? "Error while verifying certificate request self-signature\n"
750 : "Certificate request self-signature did not match the contents\n");
751 goto err;
752 }
753 BIO_printf(bio_err, "Certificate request self-signature ok\n");
754
755 print_name(bio_err, "subject=", X509_REQ_get_subject_name(req));
756 } else if (!x509toreq && ext_copy != EXT_COPY_UNSET) {
757 BIO_printf(bio_err, "Warning: ignoring -copy_extensions since neither -x509toreq nor -req is given\n");
758 }
759
760 if (reqfile || newcert) {
761 if (preserve_dates)
762 BIO_printf(bio_err,
763 "Warning: ignoring -preserve_dates option with -req or -new\n");
764 preserve_dates = 0;
765 if (privkeyfile == NULL && CAkeyfile == NULL) {
766 BIO_printf(bio_err,
767 "We need a private key to sign with, use -key or -CAkey or -CA with private key\n");
768 goto err;
769 }
770 if ((x = X509_new_ex(app_get0_libctx(), app_get0_propq())) == NULL)
771 goto end;
772 if (CAfile == NULL && sno == NULL) {
773 sno = ASN1_INTEGER_new();
774 if (sno == NULL || !rand_serial(NULL, sno))
775 goto end;
776 }
777 if (req != NULL && ext_copy != EXT_COPY_UNSET) {
778 if (clrext && ext_copy != EXT_COPY_NONE) {
779 BIO_printf(bio_err, "Must not use -clrext together with -copy_extensions\n");
780 goto err;
781 } else if (!copy_extensions(x, req, ext_copy)) {
782 BIO_printf(bio_err, "Error copying extensions from request\n");
783 goto err;
784 }
785 }
786 } else {
787 if (infile == NULL && isatty(fileno_stdin()))
788 BIO_printf(bio_err,
789 "Warning: Reading certificate from stdin since no -in or -new option is given\n");
790 x = load_cert_pass(infile, informat, 1, passin, "certificate");
791 if (x == NULL)
792 goto end;
793 }
794 if ((fsubj != NULL || req != NULL)
795 && !X509_set_subject_name(x, fsubj != NULL ? fsubj :
796 X509_REQ_get_subject_name(req)))
797 goto end;
798 if ((pubkey != NULL || privkey != NULL || req != NULL)
799 && !X509_set_pubkey(x, pubkey != NULL ? pubkey :
800 privkey != NULL ? privkey :
801 X509_REQ_get0_pubkey(req)))
802 goto end;
803
804 if (CAfile != NULL) {
805 xca = load_cert_pass(CAfile, CAformat, 1, passin, "CA certificate");
806 if (xca == NULL)
807 goto end;
808 }
809
810 out = bio_open_default(outfile, 'w', outformat);
811 if (out == NULL)
812 goto end;
813
814 if (alias)
815 X509_alias_set1(x, (unsigned char *)alias, -1);
816
817 if (clrtrust)
818 X509_trust_clear(x);
819 if (clrreject)
820 X509_reject_clear(x);
821
822 if (trust != NULL) {
823 for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++)
824 X509_add1_trust_object(x, sk_ASN1_OBJECT_value(trust, i));
825 }
826
827 if (reject != NULL) {
828 for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++)
829 X509_add1_reject_object(x, sk_ASN1_OBJECT_value(reject, i));
830 }
831
832 if (clrext && ext_names != NULL)
833 BIO_printf(bio_err, "Warning: Ignoring -ext since -clrext is given\n");
834 for (i = X509_get_ext_count(x) - 1; i >= 0; i--) {
835 X509_EXTENSION *ex = X509_get_ext(x, i);
836 const char *sn = OBJ_nid2sn(OBJ_obj2nid(X509_EXTENSION_get_object(ex)));
837
838 if (clrext || (ext_names != NULL && strstr(ext_names, sn) == NULL))
839 X509_EXTENSION_free(X509_delete_ext(x, i));
840 }
841
842 issuer_cert = x;
843 if (CAfile != NULL) {
844 issuer_cert = xca;
845 if (sno == NULL)
846 sno = x509_load_serial(CAfile, CAserial, CA_createserial);
847 if (sno == NULL)
848 goto end;
849 if (!x509toreq && !reqfile && !newcert && !self_signed(ctx, x))
850 goto end;
851 } else {
852 if (privkey != NULL && !cert_matches_key(x, privkey))
853 BIO_printf(bio_err,
854 "Warning: Signature key and public key of cert do not match\n");
855 }
856
857 if (sno != NULL && !X509_set_serialNumber(x, sno))
858 goto end;
859
860 if (reqfile || newcert || privkey != NULL || CAfile != NULL) {
861 if (!preserve_dates && !set_cert_times(x, not_before, not_after, days, 1))
862 goto end;
863 if (fissu != NULL) {
864 if (!X509_set_issuer_name(x, fissu))
865 goto end;
866 } else {
867 if (!X509_set_issuer_name(x, X509_get_subject_name(issuer_cert)))
868 goto end;
869 }
870 }
871
872 X509V3_set_ctx(&ext_ctx, issuer_cert, x, NULL, NULL, X509V3_CTX_REPLACE);
873 /* prepare fallback for AKID, but only if issuer cert equals subject cert */
874 if (CAfile == NULL) {
875 if (!X509V3_set_issuer_pkey(&ext_ctx, privkey))
876 goto end;
877 }
878 if (extconf != NULL && !x509toreq) {
879 X509V3_set_nconf(&ext_ctx, extconf);
880 if (!X509V3_EXT_add_nconf(extconf, &ext_ctx, extsect, x)) {
881 BIO_printf(bio_err,
882 "Error adding extensions from section %s\n", extsect);
883 goto err;
884 }
885 }
886
887 /* At this point the contents of the certificate x have been finished. */
888
889 pkey = X509_get0_pubkey(x);
890 if ((print_pubkey != 0 || modulus != 0) && pkey == NULL) {
891 BIO_printf(bio_err, "Error getting public key\n");
892 goto err;
893 }
894
895 if (x509toreq) { /* also works in conjunction with -req */
896 if (privkey == NULL) {
897 BIO_printf(bio_err, "Must specify request signing key using -key\n");
898 goto err;
899 }
900 if (clrext && ext_copy != EXT_COPY_NONE) {
901 BIO_printf(bio_err, "Must not use -clrext together with -copy_extensions\n");
902 goto err;
903 }
904 if ((rq = x509_to_req(x, ext_copy, ext_names)) == NULL)
905 goto end;
906 if (extconf != NULL) {
907 X509V3_set_nconf(&ext_ctx, extconf);
908 if (!X509V3_EXT_REQ_add_nconf(extconf, &ext_ctx, extsect, rq)) {
909 BIO_printf(bio_err,
910 "Error adding request extensions from section %s\n", extsect);
911 goto err;
912 }
913 }
914 if (!do_X509_REQ_sign(rq, privkey, digest, sigopts))
915 goto end;
916 if (!noout) {
917 if (outformat == FORMAT_ASN1) {
918 X509_REQ_print_ex(out, rq, get_nameopt(), X509_FLAG_COMPAT);
919 i = i2d_X509_bio(out, x);
920 } else {
921 i = PEM_write_bio_X509_REQ(out, rq);
922 }
923 if (!i) {
924 BIO_printf(bio_err,
925 "Unable to write certificate request\n");
926 goto err;
927 }
928 }
929 noout = 1;
930 } else if (CAfile != NULL) {
931 if ((CAkey = load_key(CAkeyfile, CAkeyformat,
932 0, passin, e, "CA private key")) == NULL)
933 goto end;
934 if (!X509_check_private_key(xca, CAkey)) {
935 BIO_printf(bio_err,
936 "CA certificate and CA private key do not match\n");
937 goto err;
938 }
939
940 if (!do_X509_sign(x, 0, CAkey, digest, sigopts, &ext_ctx))
941 goto end;
942 } else if (privkey != NULL) {
943 if (!do_X509_sign(x, 0, privkey, digest, sigopts, &ext_ctx))
944 goto end;
945 }
946 if (badsig) {
947 const ASN1_BIT_STRING *signature;
948
949 X509_get0_signature(&signature, NULL, x);
950 corrupt_signature(signature);
951 }
952
953 /* Process print options in the given order, as indicated by index i */
954 for (i = 1; i <= num; i++) {
955 if (i == issuer) {
956 print_name(out, "issuer=", X509_get_issuer_name(x));
957 } else if (i == subject) {
958 print_name(out, "subject=", X509_get_subject_name(x));
959 } else if (i == serial) {
960 BIO_printf(out, "serial=");
961 i2a_ASN1_INTEGER(out, X509_get0_serialNumber(x));
962 BIO_printf(out, "\n");
963 } else if (i == next_serial) {
964 ASN1_INTEGER *ser;
965 BIGNUM *bnser = ASN1_INTEGER_to_BN(X509_get0_serialNumber(x), NULL);
966
967 if (bnser == NULL)
968 goto end;
969 if (!BN_add_word(bnser, 1)
970 || (ser = BN_to_ASN1_INTEGER(bnser, NULL)) == NULL) {
971 BN_free(bnser);
972 goto end;
973 }
974 BN_free(bnser);
975 i2a_ASN1_INTEGER(out, ser);
976 ASN1_INTEGER_free(ser);
977 BIO_puts(out, "\n");
978 } else if (i == email || i == ocsp_uri) {
979 STACK_OF(OPENSSL_STRING) *emlst =
980 i == email ? X509_get1_email(x) : X509_get1_ocsp(x);
981
982 for (j = 0; j < sk_OPENSSL_STRING_num(emlst); j++)
983 BIO_printf(out, "%s\n", sk_OPENSSL_STRING_value(emlst, j));
984 X509_email_free(emlst);
985 } else if (i == aliasout) {
986 unsigned char *alstr = X509_alias_get0(x, NULL);
987
988 if (alstr)
989 BIO_printf(out, "%s\n", alstr);
990 else
991 BIO_puts(out, "<No Alias>\n");
992 } else if (i == subject_hash) {
993 BIO_printf(out, "%08lx\n", X509_subject_name_hash(x));
994#ifndef OPENSSL_NO_MD5
995 } else if (i == subject_hash_old) {
996 BIO_printf(out, "%08lx\n", X509_subject_name_hash_old(x));
997#endif
998 } else if (i == issuer_hash) {
999 BIO_printf(out, "%08lx\n", X509_issuer_name_hash(x));
1000#ifndef OPENSSL_NO_MD5
1001 } else if (i == issuer_hash_old) {
1002 BIO_printf(out, "%08lx\n", X509_issuer_name_hash_old(x));
1003#endif
1004 } else if (i == pprint) {
1005 BIO_printf(out, "Certificate purposes:\n");
1006 for (j = 0; j < X509_PURPOSE_get_count(); j++)
1007 purpose_print(out, x, X509_PURPOSE_get0(j));
1008 } else if (i == modulus) {
1009 BIO_printf(out, "Modulus=");
1010 if (EVP_PKEY_is_a(pkey, "RSA") || EVP_PKEY_is_a(pkey, "RSA-PSS")) {
1011 BIGNUM *n = NULL;
1012
1013 /* Every RSA key has an 'n' */
1014 EVP_PKEY_get_bn_param(pkey, "n", &n);
1015 BN_print(out, n);
1016 BN_free(n);
1017 } else if (EVP_PKEY_is_a(pkey, "DSA")) {
1018 BIGNUM *dsapub = NULL;
1019
1020 /* Every DSA key has a 'pub' */
1021 EVP_PKEY_get_bn_param(pkey, "pub", &dsapub);
1022 BN_print(out, dsapub);
1023 BN_free(dsapub);
1024 } else {
1025 BIO_printf(out, "No modulus for this public key type");
1026 }
1027 BIO_printf(out, "\n");
1028 } else if (i == print_pubkey) {
1029 PEM_write_bio_PUBKEY(out, pkey);
1030 } else if (i == text) {
1031 X509_print_ex(out, x, get_nameopt(), certflag);
1032 } else if (i == startdate) {
1033 BIO_puts(out, "notBefore=");
1034 ASN1_TIME_print_ex(out, X509_get0_notBefore(x), dateopt);
1035 BIO_puts(out, "\n");
1036 } else if (i == enddate) {
1037 BIO_puts(out, "notAfter=");
1038 ASN1_TIME_print_ex(out, X509_get0_notAfter(x), dateopt);
1039 BIO_puts(out, "\n");
1040 } else if (i == fingerprint) {
1041 unsigned int n;
1042 unsigned char md[EVP_MAX_MD_SIZE];
1043 const char *fdigname = digest;
1044 EVP_MD *fdig;
1045 int digres;
1046
1047 if (fdigname == NULL)
1048 fdigname = "SHA1";
1049
1050 if ((fdig = EVP_MD_fetch(app_get0_libctx(), fdigname,
1051 app_get0_propq())) == NULL) {
1052 BIO_printf(bio_err, "Unknown digest\n");
1053 goto err;
1054 }
1055 digres = X509_digest(x, fdig, md, &n);
1056 EVP_MD_free(fdig);
1057 if (!digres) {
1058 BIO_printf(bio_err, "Out of memory\n");
1059 goto err;
1060 }
1061
1062 BIO_printf(out, "%s Fingerprint=", fdigname);
1063 for (j = 0; j < (int)n; j++)
1064 BIO_printf(out, "%02X%c", md[j], (j + 1 == (int)n) ? '\n' : ':');
1065 } else if (i == ocspid) {
1066 X509_ocspid_print(out, x);
1067 } else if (i == ext) {
1068 print_x509v3_exts(out, x, ext_names);
1069 }
1070 }
1071
1072 if (checkend) {
1073 time_t tcheck = time(NULL) + checkoffset;
1074
1075 ret = X509_cmp_time(X509_get0_notAfter(x), &tcheck) < 0;
1076 if (ret)
1077 BIO_printf(out, "Certificate will expire\n");
1078 else
1079 BIO_printf(out, "Certificate will not expire\n");
1080 goto end;
1081 }
1082
1083 if (!check_cert_attributes(out, x, checkhost, checkemail, checkip, 1))
1084 goto err;
1085
1086 if (noout || nocert) {
1087 ret = 0;
1088 goto end;
1089 }
1090
1091 if (outformat == FORMAT_ASN1) {
1092 i = i2d_X509_bio(out, x);
1093 } else if (outformat == FORMAT_PEM) {
1094 if (trustout)
1095 i = PEM_write_bio_X509_AUX(out, x);
1096 else
1097 i = PEM_write_bio_X509(out, x);
1098 } else {
1099 BIO_printf(bio_err, "Bad output format specified for outfile\n");
1100 goto err;
1101 }
1102 if (!i) {
1103 BIO_printf(bio_err, "Unable to write certificate\n");
1104 goto err;
1105 }
1106
1107 ret = 0;
1108 goto end;
1109
1110 err:
1111 ERR_print_errors(bio_err);
1112
1113 end:
1114 NCONF_free(extconf);
1115 BIO_free_all(out);
1116 X509_STORE_free(ctx);
1117 X509_NAME_free(fissu);
1118 X509_NAME_free(fsubj);
1119 X509_REQ_free(req);
1120 X509_free(x);
1121 X509_free(xca);
1122 EVP_PKEY_free(privkey);
1123 EVP_PKEY_free(CAkey);
1124 EVP_PKEY_free(pubkey);
1125 sk_OPENSSL_STRING_free(sigopts);
1126 sk_OPENSSL_STRING_free(vfyopts);
1127 X509_REQ_free(rq);
1128 ASN1_INTEGER_free(sno);
1129 sk_ASN1_OBJECT_pop_free(trust, ASN1_OBJECT_free);
1130 sk_ASN1_OBJECT_pop_free(reject, ASN1_OBJECT_free);
1131 release_engine(e);
1132 clear_free(passin);
1133 return ret;
1134}
1135
1136static ASN1_INTEGER *x509_load_serial(const char *CAfile,
1137 const char *serialfile, int create)
1138{
1139 char *buf = NULL;
1140 ASN1_INTEGER *bs = NULL;
1141 BIGNUM *serial = NULL;
1142 int defaultfile = 0, file_exists;
1143
1144 if (serialfile == NULL) {
1145 const char *p = strrchr(CAfile, '.');
1146 size_t len = p != NULL ? (size_t)(p - CAfile) : strlen(CAfile);
1147
1148 buf = app_malloc(len + sizeof(POSTFIX), "serial# buffer");
1149 memcpy(buf, CAfile, len);
1150 memcpy(buf + len, POSTFIX, sizeof(POSTFIX));
1151 serialfile = buf;
1152 defaultfile = 1;
1153 }
1154
1155 serial = load_serial(serialfile, &file_exists, create || defaultfile, NULL);
1156 if (serial == NULL)
1157 goto end;
1158
1159 if (!BN_add_word(serial, 1)) {
1160 BIO_printf(bio_err, "Serial number increment failure\n");
1161 goto end;
1162 }
1163
1164 if (file_exists || create)
1165 save_serial(serialfile, NULL, serial, &bs);
1166 else
1167 bs = BN_to_ASN1_INTEGER(serial, NULL);
1168
1169 end:
1170 OPENSSL_free(buf);
1171 BN_free(serial);
1172 return bs;
1173}
1174
1175static int callb(int ok, X509_STORE_CTX *ctx)
1176{
1177 int err;
1178 X509 *err_cert;
1179
1180 /*
1181 * It is ok to use a self-signed certificate. This case will catch both
1182 * the initial ok == 0 and the final ok == 1 calls to this function.
1183 */
1184 err = X509_STORE_CTX_get_error(ctx);
1185 if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
1186 return 1;
1187
1188 if (!ok) {
1189 err_cert = X509_STORE_CTX_get_current_cert(ctx);
1190 print_name(bio_err, "subject=", X509_get_subject_name(err_cert));
1191 BIO_printf(bio_err,
1192 "Error with certificate - error %d at depth %d\n%s\n", err,
1193 X509_STORE_CTX_get_error_depth(ctx),
1194 X509_verify_cert_error_string(err));
1195 return 1;
1196 }
1197
1198 return 1;
1199}
1200
1201static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt)
1202{
1203 int id, i, idret;
1204 const char *pname;
1205 id = X509_PURPOSE_get_id(pt);
1206 pname = X509_PURPOSE_get0_name(pt);
1207 for (i = 0; i < 2; i++) {
1208 idret = X509_check_purpose(cert, id, i);
1209 BIO_printf(bio, "%s%s : ", pname, i ? " CA" : "");
1210 if (idret == 1)
1211 BIO_printf(bio, "Yes\n");
1212 else if (idret == 0)
1213 BIO_printf(bio, "No\n");
1214 else
1215 BIO_printf(bio, "Yes (WARNING code=%d)\n", idret);
1216 }
1217 return 1;
1218}
1219
1220static int parse_ext_names(char *names, const char **result)
1221{
1222 char *p, *q;
1223 int cnt = 0, len = 0;
1224
1225 p = q = names;
1226 len = strlen(names);
1227
1228 while (q - names <= len) {
1229 if (*q != ',' && *q != '\0') {
1230 q++;
1231 continue;
1232 }
1233 if (p != q) {
1234 /* found */
1235 if (result != NULL) {
1236 result[cnt] = p;
1237 *q = '\0';
1238 }
1239 cnt++;
1240 }
1241 p = ++q;
1242 }
1243
1244 return cnt;
1245}
1246
1247static int print_x509v3_exts(BIO *bio, X509 *x, const char *ext_names)
1248{
1249 const STACK_OF(X509_EXTENSION) *exts = NULL;
1250 STACK_OF(X509_EXTENSION) *exts2 = NULL;
1251 X509_EXTENSION *ext = NULL;
1252 ASN1_OBJECT *obj;
1253 int i, j, ret = 0, num, nn = 0;
1254 const char *sn, **names = NULL;
1255 char *tmp_ext_names = NULL;
1256
1257 exts = X509_get0_extensions(x);
1258 if ((num = sk_X509_EXTENSION_num(exts)) <= 0) {
1259 BIO_printf(bio_err, "No extensions in certificate\n");
1260 ret = 1;
1261 goto end;
1262 }
1263
1264 /* parse comma separated ext name string */
1265 if ((tmp_ext_names = OPENSSL_strdup(ext_names)) == NULL)
1266 goto end;
1267 if ((nn = parse_ext_names(tmp_ext_names, NULL)) == 0) {
1268 BIO_printf(bio, "Invalid extension names: %s\n", ext_names);
1269 goto end;
1270 }
1271 if ((names = OPENSSL_malloc(sizeof(char *) * nn)) == NULL)
1272 goto end;
1273 parse_ext_names(tmp_ext_names, names);
1274
1275 for (i = 0; i < num; i++) {
1276 ext = sk_X509_EXTENSION_value(exts, i);
1277
1278 /* check if this ext is what we want */
1279 obj = X509_EXTENSION_get_object(ext);
1280 sn = OBJ_nid2sn(OBJ_obj2nid(obj));
1281 if (sn == NULL || strcmp(sn, "UNDEF") == 0)
1282 continue;
1283
1284 for (j = 0; j < nn; j++) {
1285 if (strcmp(sn, names[j]) == 0) {
1286 /* push the extension into a new stack */
1287 if (exts2 == NULL
1288 && (exts2 = sk_X509_EXTENSION_new_null()) == NULL)
1289 goto end;
1290 if (!sk_X509_EXTENSION_push(exts2, ext))
1291 goto end;
1292 }
1293 }
1294 }
1295
1296 if (!sk_X509_EXTENSION_num(exts2)) {
1297 BIO_printf(bio, "No extensions matched with %s\n", ext_names);
1298 ret = 1;
1299 goto end;
1300 }
1301
1302 ret = X509V3_extensions_print(bio, NULL, exts2, 0, 0);
1303 end:
1304 sk_X509_EXTENSION_free(exts2);
1305 OPENSSL_free(names);
1306 OPENSSL_free(tmp_ext_names);
1307 return ret;
1308}
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