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 #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
36 static int callb(int ok, X509_STORE_CTX *ctx);
37 static ASN1_INTEGER *x509_load_serial(const char *CAfile,
38 const char *serialfile, int create);
39 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt);
40 static int print_x509v3_exts(BIO *bio, X509 *x, const char *ext_names);
41
42 typedef 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
61 const 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
warn_copying(ASN1_OBJECT * excluded,const char * names)192 static 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
x509_to_req(X509 * cert,int ext_copy,const char * names)202 static 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
self_signed(X509_STORE * ctx,X509 * cert)247 static 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
x509_main(int argc,char ** argv)262 int 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 err;
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 if (!sk_ASN1_OBJECT_push(trust, objtmp))
457 goto err;
458 trustout = 1;
459 break;
460 case OPT_ADDREJECT:
461 if (reject == NULL && (reject = sk_ASN1_OBJECT_new_null()) == NULL)
462 goto err;
463 if ((objtmp = OBJ_txt2obj(opt_arg(), 0)) == NULL) {
464 BIO_printf(bio_err, "%s: Invalid reject object value %s\n",
465 prog, opt_arg());
466 goto opthelp;
467 }
468 if (!sk_ASN1_OBJECT_push(reject, objtmp))
469 goto err;
470 trustout = 1;
471 break;
472 case OPT_SETALIAS:
473 alias = opt_arg();
474 trustout = 1;
475 break;
476 case OPT_CERTOPT:
477 if (!set_cert_ex(&certflag, opt_arg()))
478 goto opthelp;
479 break;
480 case OPT_NAMEOPT:
481 if (!set_nameopt(opt_arg()))
482 goto opthelp;
483 break;
484 case OPT_ENGINE:
485 e = setup_engine(opt_arg(), 0);
486 break;
487 case OPT_EMAIL:
488 email = ++num;
489 break;
490 case OPT_OCSP_URI:
491 ocsp_uri = ++num;
492 break;
493 case OPT_SERIAL:
494 serial = ++num;
495 break;
496 case OPT_NEXT_SERIAL:
497 next_serial = ++num;
498 break;
499 case OPT_MODULUS:
500 modulus = ++num;
501 break;
502 case OPT_PUBKEY:
503 print_pubkey = ++num;
504 break;
505 case OPT_X509TOREQ:
506 x509toreq = 1;
507 break;
508 case OPT_TEXT:
509 text = ++num;
510 break;
511 case OPT_SUBJECT:
512 subject = ++num;
513 break;
514 case OPT_ISSUER:
515 issuer = ++num;
516 break;
517 case OPT_FINGERPRINT:
518 fingerprint = ++num;
519 break;
520 case OPT_HASH:
521 subject_hash = ++num;
522 break;
523 case OPT_ISSUER_HASH:
524 issuer_hash = ++num;
525 break;
526 case OPT_PURPOSE:
527 pprint = ++num;
528 break;
529 case OPT_STARTDATE:
530 startdate = ++num;
531 break;
532 case OPT_ENDDATE:
533 enddate = ++num;
534 break;
535 case OPT_NOOUT:
536 noout = ++num;
537 break;
538 case OPT_EXT:
539 ext = ++num;
540 ext_names = opt_arg();
541 break;
542 case OPT_NOCERT:
543 nocert = 1;
544 break;
545 case OPT_TRUSTOUT:
546 trustout = 1;
547 break;
548 case OPT_CLRTRUST:
549 clrtrust = ++num;
550 break;
551 case OPT_CLRREJECT:
552 clrreject = ++num;
553 break;
554 case OPT_ALIAS:
555 aliasout = ++num;
556 break;
557 case OPT_CACREATESERIAL:
558 CA_createserial = 1;
559 break;
560 case OPT_CLREXT:
561 clrext = 1;
562 break;
563 case OPT_OCSPID:
564 ocspid = ++num;
565 break;
566 case OPT_BADSIG:
567 badsig = 1;
568 break;
569 #ifndef OPENSSL_NO_MD5
570 case OPT_SUBJECT_HASH_OLD:
571 subject_hash_old = ++num;
572 break;
573 case OPT_ISSUER_HASH_OLD:
574 issuer_hash_old = ++num;
575 break;
576 #else
577 case OPT_SUBJECT_HASH_OLD:
578 case OPT_ISSUER_HASH_OLD:
579 break;
580 #endif
581 case OPT_DATES:
582 startdate = ++num;
583 enddate = ++num;
584 break;
585 case OPT_CHECKEND:
586 checkend = 1;
587 {
588 ossl_intmax_t temp = 0;
589 if (!opt_intmax(opt_arg(), &temp))
590 goto opthelp;
591 checkoffset = (time_t)temp;
592 if ((ossl_intmax_t)checkoffset != temp) {
593 BIO_printf(bio_err, "%s: Checkend time out of range %s\n",
594 prog, opt_arg());
595 goto opthelp;
596 }
597 }
598 break;
599 case OPT_CHECKHOST:
600 checkhost = opt_arg();
601 break;
602 case OPT_CHECKEMAIL:
603 checkemail = opt_arg();
604 break;
605 case OPT_CHECKIP:
606 checkip = opt_arg();
607 break;
608 case OPT_PRESERVE_DATES:
609 preserve_dates = 1;
610 break;
611 case OPT_MD:
612 digest = opt_unknown();
613 break;
614 }
615 }
616 /* No extra arguments. */
617 if (!opt_check_rest_arg(NULL))
618 goto opthelp;
619
620 if (!app_RAND_load())
621 goto err;
622
623 if (!opt_check_md(digest))
624 goto opthelp;
625
626 if (preserve_dates && not_before != NULL) {
627 BIO_printf(bio_err, "Cannot use -preserve_dates with -not_before option\n");
628 goto err;
629 }
630 if (preserve_dates && not_after != NULL) {
631 BIO_printf(bio_err, "Cannot use -preserve_dates with -not_after option\n");
632 goto err;
633 }
634 if (preserve_dates && days != UNSET_DAYS) {
635 BIO_printf(bio_err, "Cannot use -preserve_dates with -days option\n");
636 goto err;
637 }
638 if (days == UNSET_DAYS)
639 days = DEFAULT_DAYS;
640 else if (not_after != NULL)
641 BIO_printf(bio_err, "Warning: -not_after option overriding -days option\n");
642
643 if (!app_passwd(passinarg, NULL, &passin, NULL)) {
644 BIO_printf(bio_err, "Error getting password\n");
645 goto err;
646 }
647
648 if (!X509_STORE_set_default_paths_ex(ctx, app_get0_libctx(),
649 app_get0_propq()))
650 goto err;
651
652 if (newcert && infile != NULL) {
653 BIO_printf(bio_err, "The -in option cannot be used with -new\n");
654 goto err;
655 }
656 if (newcert && reqfile) {
657 BIO_printf(bio_err, "The -req option cannot be used with -new\n");
658 goto err;
659 }
660 if (privkeyfile != NULL) {
661 privkey = load_key(privkeyfile, keyformat, 0, passin, e, "private key");
662 if (privkey == NULL)
663 goto err;
664 }
665 if (pubkeyfile != NULL) {
666 if ((pubkey = load_pubkey(pubkeyfile, keyformat, 0, NULL, e,
667 "explicitly set public key")) == NULL)
668 goto err;
669 }
670
671 if (newcert) {
672 if (subj == NULL) {
673 BIO_printf(bio_err,
674 "The -new option requires a subject to be set using -subj\n");
675 goto err;
676 }
677 if (privkeyfile == NULL && pubkeyfile == NULL) {
678 BIO_printf(bio_err,
679 "The -new option requires using the -key or -force_pubkey option\n");
680 goto err;
681 }
682 }
683 if (issu != NULL
684 && (fissu = parse_name(issu, chtype, multirdn, "issuer")) == NULL)
685 goto err;
686 if (subj != NULL
687 && (fsubj = parse_name(subj, chtype, multirdn, "subject")) == NULL)
688 goto err;
689
690 if (CAkeyfile == NULL)
691 CAkeyfile = CAfile;
692 if (CAfile != NULL) {
693 if (privkeyfile != NULL) {
694 BIO_printf(bio_err, "Cannot use both -key/-signkey and -CA option\n");
695 goto err;
696 }
697 } else {
698 #define WARN_NO_CA(opt) BIO_printf(bio_err, \
699 "Warning: ignoring " opt " option since -CA option is not given\n");
700 if (CAkeyfile != NULL)
701 WARN_NO_CA("-CAkey");
702 if (CAkeyformat != FORMAT_UNDEF)
703 WARN_NO_CA("-CAkeyform");
704 if (CAformat != FORMAT_UNDEF)
705 WARN_NO_CA("-CAform");
706 if (CAserial != NULL)
707 WARN_NO_CA("-CAserial");
708 if (CA_createserial)
709 WARN_NO_CA("-CAcreateserial");
710 }
711
712 if (extfile == NULL) {
713 if (extsect != NULL)
714 BIO_printf(bio_err,
715 "Warning: ignoring -extensions option without -extfile\n");
716 } else {
717 X509V3_CTX ctx2;
718
719 if ((extconf = app_load_config(extfile)) == NULL)
720 goto err;
721 if (extsect == NULL) {
722 extsect = app_conf_try_string(extconf, "default", "extensions");
723 if (extsect == NULL)
724 extsect = "default";
725 }
726 X509V3_set_ctx_test(&ctx2);
727 X509V3_set_nconf(&ctx2, extconf);
728 if (!X509V3_EXT_add_nconf(extconf, &ctx2, extsect, NULL)) {
729 BIO_printf(bio_err,
730 "Error checking extension section %s\n", extsect);
731 goto err;
732 }
733 }
734
735 if (reqfile) {
736 if (infile == NULL && isatty(fileno_stdin()))
737 BIO_printf(bio_err,
738 "Warning: Reading cert request from stdin since no -in option is given\n");
739 req = load_csr_autofmt(infile, informat, vfyopts,
740 "certificate request input");
741 if (req == NULL)
742 goto err;
743
744 if ((pkey = X509_REQ_get0_pubkey(req)) == NULL) {
745 BIO_printf(bio_err, "Error unpacking public key from CSR\n");
746 goto err;
747 }
748 i = do_X509_REQ_verify(req, pkey, vfyopts);
749 if (i <= 0) {
750 BIO_printf(bio_err, i < 0
751 ? "Error while verifying certificate request self-signature\n"
752 : "Certificate request self-signature did not match the contents\n");
753 goto err;
754 }
755 BIO_printf(bio_err, "Certificate request self-signature ok\n");
756
757 print_name(bio_err, "subject=", X509_REQ_get_subject_name(req));
758 } else if (!x509toreq && ext_copy != EXT_COPY_UNSET) {
759 BIO_printf(bio_err, "Warning: ignoring -copy_extensions since neither -x509toreq nor -req is given\n");
760 }
761
762 if (reqfile || newcert) {
763 if (preserve_dates)
764 BIO_printf(bio_err,
765 "Warning: ignoring -preserve_dates option with -req or -new\n");
766 preserve_dates = 0;
767 if (privkeyfile == NULL && CAkeyfile == NULL) {
768 BIO_printf(bio_err,
769 "We need a private key to sign with, use -key or -CAkey or -CA with private key\n");
770 goto err;
771 }
772 if ((x = X509_new_ex(app_get0_libctx(), app_get0_propq())) == NULL)
773 goto err;
774 if (CAfile == NULL && sno == NULL) {
775 sno = ASN1_INTEGER_new();
776 if (sno == NULL || !rand_serial(NULL, sno))
777 goto err;
778 }
779 if (req != NULL && ext_copy != EXT_COPY_UNSET) {
780 if (clrext && ext_copy != EXT_COPY_NONE) {
781 BIO_printf(bio_err, "Must not use -clrext together with -copy_extensions\n");
782 goto err;
783 } else if (!copy_extensions(x, req, ext_copy)) {
784 BIO_printf(bio_err, "Error copying extensions from request\n");
785 goto err;
786 }
787 }
788 } else {
789 if (infile == NULL && isatty(fileno_stdin()))
790 BIO_printf(bio_err,
791 "Warning: Reading certificate from stdin since no -in or -new option is given\n");
792 x = load_cert_pass(infile, informat, 1, passin, "certificate");
793 if (x == NULL)
794 goto err;
795 }
796 if ((fsubj != NULL || req != NULL)
797 && !X509_set_subject_name(x, fsubj != NULL ? fsubj :
798 X509_REQ_get_subject_name(req)))
799 goto err;
800 if ((pubkey != NULL || privkey != NULL || req != NULL)
801 && !X509_set_pubkey(x, pubkey != NULL ? pubkey :
802 privkey != NULL ? privkey :
803 X509_REQ_get0_pubkey(req)))
804 goto err;
805
806 if (CAfile != NULL) {
807 xca = load_cert_pass(CAfile, CAformat, 1, passin, "CA certificate");
808 if (xca == NULL)
809 goto err;
810 }
811
812 out = bio_open_default(outfile, 'w', outformat);
813 if (out == NULL)
814 goto err;
815
816 if (alias)
817 X509_alias_set1(x, (unsigned char *)alias, -1);
818
819 if (clrtrust)
820 X509_trust_clear(x);
821 if (clrreject)
822 X509_reject_clear(x);
823
824 if (trust != NULL) {
825 for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++)
826 X509_add1_trust_object(x, sk_ASN1_OBJECT_value(trust, i));
827 }
828
829 if (reject != NULL) {
830 for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++)
831 X509_add1_reject_object(x, sk_ASN1_OBJECT_value(reject, i));
832 }
833
834 if (clrext && ext_names != NULL)
835 BIO_printf(bio_err, "Warning: Ignoring -ext since -clrext is given\n");
836 for (i = X509_get_ext_count(x) - 1; i >= 0; i--) {
837 X509_EXTENSION *ex = X509_get_ext(x, i);
838 const char *sn = OBJ_nid2sn(OBJ_obj2nid(X509_EXTENSION_get_object(ex)));
839
840 if (clrext || (ext_names != NULL && strstr(ext_names, sn) == NULL))
841 X509_EXTENSION_free(X509_delete_ext(x, i));
842 }
843
844 issuer_cert = x;
845 if (CAfile != NULL) {
846 issuer_cert = xca;
847 if (sno == NULL)
848 sno = x509_load_serial(CAfile, CAserial, CA_createserial);
849 if (sno == NULL)
850 goto err;
851 if (!x509toreq && !reqfile && !newcert && !self_signed(ctx, x))
852 goto err;
853 } else {
854 if (privkey != NULL && !cert_matches_key(x, privkey))
855 BIO_printf(bio_err,
856 "Warning: Signature key and public key of cert do not match\n");
857 }
858
859 if (sno != NULL && !X509_set_serialNumber(x, sno))
860 goto err;
861
862 if (reqfile || newcert || privkey != NULL || CAfile != NULL) {
863 if (!preserve_dates && !set_cert_times(x, not_before, not_after, days, 1))
864 goto err;
865 if (fissu != NULL) {
866 if (!X509_set_issuer_name(x, fissu))
867 goto err;
868 } else {
869 if (!X509_set_issuer_name(x, X509_get_subject_name(issuer_cert)))
870 goto err;
871 }
872 }
873
874 X509V3_set_ctx(&ext_ctx, issuer_cert, x, NULL, NULL, X509V3_CTX_REPLACE);
875 /* prepare fallback for AKID, but only if issuer cert equals subject cert */
876 if (CAfile == NULL) {
877 if (!X509V3_set_issuer_pkey(&ext_ctx, privkey))
878 goto err;
879 }
880 if (extconf != NULL && !x509toreq) {
881 X509V3_set_nconf(&ext_ctx, extconf);
882 if (!X509V3_EXT_add_nconf(extconf, &ext_ctx, extsect, x)) {
883 BIO_printf(bio_err,
884 "Error adding extensions from section %s\n", extsect);
885 goto err;
886 }
887 }
888
889 /* At this point the contents of the certificate x have been finished. */
890
891 pkey = X509_get0_pubkey(x);
892 if ((print_pubkey != 0 || modulus != 0) && pkey == NULL) {
893 BIO_printf(bio_err, "Error getting public key\n");
894 goto err;
895 }
896
897 if (x509toreq) { /* also works in conjunction with -req */
898 if (privkey == NULL) {
899 BIO_printf(bio_err, "Must specify request signing key using -key\n");
900 goto err;
901 }
902 if (clrext && ext_copy != EXT_COPY_NONE) {
903 BIO_printf(bio_err, "Must not use -clrext together with -copy_extensions\n");
904 goto err;
905 }
906 if ((rq = x509_to_req(x, ext_copy, ext_names)) == NULL)
907 goto err;
908 if (extconf != NULL) {
909 X509V3_set_nconf(&ext_ctx, extconf);
910 if (!X509V3_EXT_REQ_add_nconf(extconf, &ext_ctx, extsect, rq)) {
911 BIO_printf(bio_err,
912 "Error adding request extensions from section %s\n", extsect);
913 goto err;
914 }
915 }
916 if (!do_X509_REQ_sign(rq, privkey, digest, sigopts))
917 goto err;
918 if (!noout) {
919 if (outformat == FORMAT_ASN1) {
920 X509_REQ_print_ex(out, rq, get_nameopt(), X509_FLAG_COMPAT);
921 i = i2d_X509_bio(out, x);
922 } else {
923 i = PEM_write_bio_X509_REQ(out, rq);
924 }
925 if (!i) {
926 BIO_printf(bio_err,
927 "Unable to write certificate request\n");
928 goto err;
929 }
930 }
931 noout = 1;
932 } else if (CAfile != NULL) {
933 if ((CAkey = load_key(CAkeyfile, CAkeyformat,
934 0, passin, e, "CA private key")) == NULL)
935 goto err;
936 if (!X509_check_private_key(xca, CAkey)) {
937 BIO_printf(bio_err,
938 "CA certificate and CA private key do not match\n");
939 goto err;
940 }
941
942 if (!do_X509_sign(x, 0, CAkey, digest, sigopts, &ext_ctx))
943 goto err;
944 } else if (privkey != NULL) {
945 if (!do_X509_sign(x, 0, privkey, digest, sigopts, &ext_ctx))
946 goto err;
947 }
948 if (badsig) {
949 const ASN1_BIT_STRING *signature;
950
951 X509_get0_signature(&signature, NULL, x);
952 corrupt_signature(signature);
953 }
954
955 /* Process print options in the given order, as indicated by index i */
956 for (i = 1; i <= num; i++) {
957 if (i == issuer) {
958 print_name(out, "issuer=", X509_get_issuer_name(x));
959 } else if (i == subject) {
960 print_name(out, "subject=", X509_get_subject_name(x));
961 } else if (i == serial) {
962 BIO_printf(out, "serial=");
963 i2a_ASN1_INTEGER(out, X509_get0_serialNumber(x));
964 BIO_printf(out, "\n");
965 } else if (i == next_serial) {
966 ASN1_INTEGER *ser;
967 BIGNUM *bnser = ASN1_INTEGER_to_BN(X509_get0_serialNumber(x), NULL);
968
969 if (bnser == NULL)
970 goto err;
971 if (!BN_add_word(bnser, 1)
972 || (ser = BN_to_ASN1_INTEGER(bnser, NULL)) == NULL) {
973 BN_free(bnser);
974 goto err;
975 }
976 BN_free(bnser);
977 i2a_ASN1_INTEGER(out, ser);
978 ASN1_INTEGER_free(ser);
979 BIO_puts(out, "\n");
980 } else if (i == email || i == ocsp_uri) {
981 STACK_OF(OPENSSL_STRING) *emlst =
982 i == email ? X509_get1_email(x) : X509_get1_ocsp(x);
983
984 for (j = 0; j < sk_OPENSSL_STRING_num(emlst); j++)
985 BIO_printf(out, "%s\n", sk_OPENSSL_STRING_value(emlst, j));
986 X509_email_free(emlst);
987 } else if (i == aliasout) {
988 unsigned char *alstr = X509_alias_get0(x, NULL);
989
990 if (alstr)
991 BIO_printf(out, "%s\n", alstr);
992 else
993 BIO_puts(out, "<No Alias>\n");
994 } else if (i == subject_hash) {
995 BIO_printf(out, "%08lx\n", X509_subject_name_hash(x));
996 #ifndef OPENSSL_NO_MD5
997 } else if (i == subject_hash_old) {
998 BIO_printf(out, "%08lx\n", X509_subject_name_hash_old(x));
999 #endif
1000 } else if (i == issuer_hash) {
1001 BIO_printf(out, "%08lx\n", X509_issuer_name_hash(x));
1002 #ifndef OPENSSL_NO_MD5
1003 } else if (i == issuer_hash_old) {
1004 BIO_printf(out, "%08lx\n", X509_issuer_name_hash_old(x));
1005 #endif
1006 } else if (i == pprint) {
1007 BIO_printf(out, "Certificate purposes:\n");
1008 for (j = 0; j < X509_PURPOSE_get_count(); j++)
1009 purpose_print(out, x, X509_PURPOSE_get0(j));
1010 } else if (i == modulus) {
1011 BIO_printf(out, "Modulus=");
1012 if (EVP_PKEY_is_a(pkey, "RSA") || EVP_PKEY_is_a(pkey, "RSA-PSS")) {
1013 BIGNUM *n = NULL;
1014
1015 /* Every RSA key has an 'n' */
1016 EVP_PKEY_get_bn_param(pkey, "n", &n);
1017 BN_print(out, n);
1018 BN_free(n);
1019 } else if (EVP_PKEY_is_a(pkey, "DSA")) {
1020 BIGNUM *dsapub = NULL;
1021
1022 /* Every DSA key has a 'pub' */
1023 EVP_PKEY_get_bn_param(pkey, "pub", &dsapub);
1024 BN_print(out, dsapub);
1025 BN_free(dsapub);
1026 } else {
1027 BIO_printf(out, "No modulus for this public key type");
1028 }
1029 BIO_printf(out, "\n");
1030 } else if (i == print_pubkey) {
1031 PEM_write_bio_PUBKEY(out, pkey);
1032 } else if (i == text) {
1033 X509_print_ex(out, x, get_nameopt(), certflag);
1034 } else if (i == startdate) {
1035 BIO_puts(out, "notBefore=");
1036 ASN1_TIME_print_ex(out, X509_get0_notBefore(x), dateopt);
1037 BIO_puts(out, "\n");
1038 } else if (i == enddate) {
1039 BIO_puts(out, "notAfter=");
1040 ASN1_TIME_print_ex(out, X509_get0_notAfter(x), dateopt);
1041 BIO_puts(out, "\n");
1042 } else if (i == fingerprint) {
1043 unsigned int n;
1044 unsigned char md[EVP_MAX_MD_SIZE];
1045 const char *fdigname = digest;
1046 EVP_MD *fdig;
1047 int digres;
1048
1049 if (fdigname == NULL)
1050 fdigname = "SHA1";
1051
1052 if ((fdig = EVP_MD_fetch(app_get0_libctx(), fdigname,
1053 app_get0_propq())) == NULL) {
1054 BIO_printf(bio_err, "Unknown digest\n");
1055 goto err;
1056 }
1057 digres = X509_digest(x, fdig, md, &n);
1058 EVP_MD_free(fdig);
1059 if (!digres) {
1060 BIO_printf(bio_err, "Out of memory\n");
1061 goto err;
1062 }
1063
1064 BIO_printf(out, "%s Fingerprint=", fdigname);
1065 for (j = 0; j < (int)n; j++)
1066 BIO_printf(out, "%02X%c", md[j], (j + 1 == (int)n) ? '\n' : ':');
1067 } else if (i == ocspid) {
1068 X509_ocspid_print(out, x);
1069 } else if (i == ext) {
1070 print_x509v3_exts(out, x, ext_names);
1071 }
1072 }
1073
1074 if (checkend) {
1075 time_t tcheck = time(NULL) + checkoffset;
1076
1077 ret = X509_cmp_time(X509_get0_notAfter(x), &tcheck) < 0;
1078 if (ret)
1079 BIO_printf(out, "Certificate will expire\n");
1080 else
1081 BIO_printf(out, "Certificate will not expire\n");
1082 goto end;
1083 }
1084
1085 if (!check_cert_attributes(out, x, checkhost, checkemail, checkip, 1))
1086 goto err;
1087
1088 if (noout || nocert) {
1089 ret = 0;
1090 goto end;
1091 }
1092
1093 if (outformat == FORMAT_ASN1) {
1094 i = i2d_X509_bio(out, x);
1095 } else if (outformat == FORMAT_PEM) {
1096 if (trustout)
1097 i = PEM_write_bio_X509_AUX(out, x);
1098 else
1099 i = PEM_write_bio_X509(out, x);
1100 } else {
1101 BIO_printf(bio_err, "Bad output format specified for outfile\n");
1102 goto err;
1103 }
1104 if (!i) {
1105 BIO_printf(bio_err, "Unable to write certificate\n");
1106 goto err;
1107 }
1108
1109 ret = 0;
1110 goto end;
1111
1112 err:
1113 ERR_print_errors(bio_err);
1114
1115 end:
1116 NCONF_free(extconf);
1117 BIO_free_all(out);
1118 X509_STORE_free(ctx);
1119 X509_NAME_free(fissu);
1120 X509_NAME_free(fsubj);
1121 X509_REQ_free(req);
1122 X509_free(x);
1123 X509_free(xca);
1124 EVP_PKEY_free(privkey);
1125 EVP_PKEY_free(CAkey);
1126 EVP_PKEY_free(pubkey);
1127 sk_OPENSSL_STRING_free(sigopts);
1128 sk_OPENSSL_STRING_free(vfyopts);
1129 X509_REQ_free(rq);
1130 ASN1_INTEGER_free(sno);
1131 sk_ASN1_OBJECT_pop_free(trust, ASN1_OBJECT_free);
1132 sk_ASN1_OBJECT_pop_free(reject, ASN1_OBJECT_free);
1133 release_engine(e);
1134 clear_free(passin);
1135 return ret;
1136 }
1137
x509_load_serial(const char * CAfile,const char * serialfile,int create)1138 static ASN1_INTEGER *x509_load_serial(const char *CAfile,
1139 const char *serialfile, int create)
1140 {
1141 char *buf = NULL;
1142 ASN1_INTEGER *bs = NULL;
1143 BIGNUM *serial = NULL;
1144 int defaultfile = 0, file_exists;
1145
1146 if (serialfile == NULL) {
1147 const char *p = strrchr(CAfile, '.');
1148 size_t len = p != NULL ? (size_t)(p - CAfile) : strlen(CAfile);
1149
1150 buf = app_malloc(len + sizeof(POSTFIX), "serial# buffer");
1151 memcpy(buf, CAfile, len);
1152 memcpy(buf + len, POSTFIX, sizeof(POSTFIX));
1153 serialfile = buf;
1154 defaultfile = 1;
1155 }
1156
1157 serial = load_serial(serialfile, &file_exists, create || defaultfile, NULL);
1158 if (serial == NULL)
1159 goto end;
1160
1161 if (!BN_add_word(serial, 1)) {
1162 BIO_printf(bio_err, "Serial number increment failure\n");
1163 goto end;
1164 }
1165
1166 if (file_exists || create)
1167 save_serial(serialfile, NULL, serial, &bs);
1168 else
1169 bs = BN_to_ASN1_INTEGER(serial, NULL);
1170
1171 end:
1172 OPENSSL_free(buf);
1173 BN_free(serial);
1174 return bs;
1175 }
1176
callb(int ok,X509_STORE_CTX * ctx)1177 static int callb(int ok, X509_STORE_CTX *ctx)
1178 {
1179 int err;
1180 X509 *err_cert;
1181
1182 /*
1183 * It is ok to use a self-signed certificate. This case will catch both
1184 * the initial ok == 0 and the final ok == 1 calls to this function.
1185 */
1186 err = X509_STORE_CTX_get_error(ctx);
1187 if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
1188 return 1;
1189
1190 if (!ok) {
1191 err_cert = X509_STORE_CTX_get_current_cert(ctx);
1192 print_name(bio_err, "subject=", X509_get_subject_name(err_cert));
1193 BIO_printf(bio_err,
1194 "Error with certificate - error %d at depth %d\n%s\n", err,
1195 X509_STORE_CTX_get_error_depth(ctx),
1196 X509_verify_cert_error_string(err));
1197 return 1;
1198 }
1199
1200 return 1;
1201 }
1202
purpose_print(BIO * bio,X509 * cert,X509_PURPOSE * pt)1203 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt)
1204 {
1205 int id, i, idret;
1206 const char *pname;
1207 id = X509_PURPOSE_get_id(pt);
1208 pname = X509_PURPOSE_get0_name(pt);
1209 for (i = 0; i < 2; i++) {
1210 idret = X509_check_purpose(cert, id, i);
1211 BIO_printf(bio, "%s%s : ", pname, i ? " CA" : "");
1212 if (idret == 1)
1213 BIO_printf(bio, "Yes\n");
1214 else if (idret == 0)
1215 BIO_printf(bio, "No\n");
1216 else
1217 BIO_printf(bio, "Yes (WARNING code=%d)\n", idret);
1218 }
1219 return 1;
1220 }
1221
parse_ext_names(char * names,const char ** result)1222 static int parse_ext_names(char *names, const char **result)
1223 {
1224 char *p, *q;
1225 int cnt = 0, len = 0;
1226
1227 p = q = names;
1228 len = strlen(names);
1229
1230 while (q - names <= len) {
1231 if (*q != ',' && *q != '\0') {
1232 q++;
1233 continue;
1234 }
1235 if (p != q) {
1236 /* found */
1237 if (result != NULL) {
1238 result[cnt] = p;
1239 *q = '\0';
1240 }
1241 cnt++;
1242 }
1243 p = ++q;
1244 }
1245
1246 return cnt;
1247 }
1248
print_x509v3_exts(BIO * bio,X509 * x,const char * ext_names)1249 static int print_x509v3_exts(BIO *bio, X509 *x, const char *ext_names)
1250 {
1251 const STACK_OF(X509_EXTENSION) *exts = NULL;
1252 STACK_OF(X509_EXTENSION) *exts2 = NULL;
1253 X509_EXTENSION *ext = NULL;
1254 ASN1_OBJECT *obj;
1255 int i, j, ret = 0, num, nn = 0;
1256 const char *sn, **names = NULL;
1257 char *tmp_ext_names = NULL;
1258
1259 exts = X509_get0_extensions(x);
1260 if ((num = sk_X509_EXTENSION_num(exts)) <= 0) {
1261 BIO_printf(bio_err, "No extensions in certificate\n");
1262 ret = 1;
1263 goto end;
1264 }
1265
1266 /* parse comma separated ext name string */
1267 if ((tmp_ext_names = OPENSSL_strdup(ext_names)) == NULL)
1268 goto end;
1269 if ((nn = parse_ext_names(tmp_ext_names, NULL)) == 0) {
1270 BIO_printf(bio, "Invalid extension names: %s\n", ext_names);
1271 goto end;
1272 }
1273 if ((names = OPENSSL_malloc(sizeof(char *) * nn)) == NULL)
1274 goto end;
1275 parse_ext_names(tmp_ext_names, names);
1276
1277 for (i = 0; i < num; i++) {
1278 ext = sk_X509_EXTENSION_value(exts, i);
1279
1280 /* check if this ext is what we want */
1281 obj = X509_EXTENSION_get_object(ext);
1282 sn = OBJ_nid2sn(OBJ_obj2nid(obj));
1283 if (sn == NULL || strcmp(sn, "UNDEF") == 0)
1284 continue;
1285
1286 for (j = 0; j < nn; j++) {
1287 if (strcmp(sn, names[j]) == 0) {
1288 /* push the extension into a new stack */
1289 if (exts2 == NULL
1290 && (exts2 = sk_X509_EXTENSION_new_null()) == NULL)
1291 goto end;
1292 if (!sk_X509_EXTENSION_push(exts2, ext))
1293 goto end;
1294 }
1295 }
1296 }
1297
1298 if (!sk_X509_EXTENSION_num(exts2)) {
1299 BIO_printf(bio, "No extensions matched with %s\n", ext_names);
1300 ret = 1;
1301 goto end;
1302 }
1303
1304 ret = X509V3_extensions_print(bio, NULL, exts2, 0, 0);
1305 end:
1306 sk_X509_EXTENSION_free(exts2);
1307 OPENSSL_free(names);
1308 OPENSSL_free(tmp_ext_names);
1309 return ret;
1310 }
1311