2 * Copyright 1995-2023 The OpenSSL Project Authors. All Rights Reserved.
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
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>
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
35 static int callb(int ok, X509_STORE_CTX *ctx);
36 static ASN1_INTEGER *x509_load_serial(const char *CAfile,
37 const char *serialfile, int create);
38 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt);
39 static int print_x509v3_exts(BIO *bio, X509 *x, const char *ext_names);
41 typedef enum OPTION_choice {
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_ISSU, 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
59 const OPTIONS x509_options[] = {
60 OPT_SECTION("General"),
61 {"help", OPT_HELP, '-', "Display this summary"},
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 format to use (PEM or DER; by default try PEM first)"},
74 {"vfyopt", OPT_VFYOPT, 's', "CSR verification parameter in n:v form"},
76 "Key for signing, and to include unless using -force_pubkey"},
77 {"signkey", OPT_SIGNKEY, 's',
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)"},
88 OPT_SECTION("Certificate printing"),
89 {"text", OPT_TEXT, '-', "Print the certificate in text form"},
90 {"dateopt", OPT_DATEOPT, 's',
91 "Datetime format used for printing. (rfc_822/iso_8601). Default is rfc_822."},
92 {"certopt", OPT_CERTOPT, 's', "Various certificate text printing options"},
93 {"fingerprint", OPT_FINGERPRINT, '-', "Print the certificate fingerprint"},
94 {"alias", OPT_ALIAS, '-', "Print certificate alias"},
95 {"serial", OPT_SERIAL, '-', "Print serial number value"},
96 {"startdate", OPT_STARTDATE, '-', "Print the notBefore field"},
97 {"enddate", OPT_ENDDATE, '-', "Print the notAfter field"},
98 {"dates", OPT_DATES, '-', "Print both notBefore and notAfter fields"},
99 {"subject", OPT_SUBJECT, '-', "Print subject DN"},
100 {"issuer", OPT_ISSUER, '-', "Print issuer DN"},
101 {"nameopt", OPT_NAMEOPT, 's',
102 "Certificate subject/issuer name printing options"},
103 {"email", OPT_EMAIL, '-', "Print email address(es)"},
104 {"hash", OPT_HASH, '-', "Synonym for -subject_hash (for backward compat)"},
105 {"subject_hash", OPT_HASH, '-', "Print subject hash value"},
106 #ifndef OPENSSL_NO_MD5
107 {"subject_hash_old", OPT_SUBJECT_HASH_OLD, '-',
108 "Print old-style (MD5) subject hash value"},
110 {"issuer_hash", OPT_ISSUER_HASH, '-', "Print issuer hash value"},
111 #ifndef OPENSSL_NO_MD5
112 {"issuer_hash_old", OPT_ISSUER_HASH_OLD, '-',
113 "Print old-style (MD5) issuer hash value"},
115 {"ext", OPT_EXT, 's',
116 "Restrict which X.509 extensions to print and/or copy"},
117 {"ocspid", OPT_OCSPID, '-',
118 "Print OCSP hash values for the subject name and public key"},
119 {"ocsp_uri", OPT_OCSP_URI, '-', "Print OCSP Responder URL(s)"},
120 {"purpose", OPT_PURPOSE, '-', "Print out certificate purposes"},
121 {"pubkey", OPT_PUBKEY, '-', "Print the public key in PEM format"},
122 {"modulus", OPT_MODULUS, '-', "Print the RSA key modulus"},
124 OPT_SECTION("Certificate checking"),
125 {"checkend", OPT_CHECKEND, 'M',
126 "Check whether cert expires in the next arg seconds"},
127 {OPT_MORE_STR, 1, 1, "Exit 1 (failure) if so, 0 if not"},
128 {"checkhost", OPT_CHECKHOST, 's', "Check certificate matches host"},
129 {"checkemail", OPT_CHECKEMAIL, 's', "Check certificate matches email"},
130 {"checkip", OPT_CHECKIP, 's', "Check certificate matches ipaddr"},
132 OPT_SECTION("Certificate output"),
133 {"set_serial", OPT_SET_SERIAL, 's',
134 "Serial number to use, overrides -CAserial"},
135 {"next_serial", OPT_NEXT_SERIAL, '-',
136 "Increment current certificate serial number"},
137 {"days", OPT_DAYS, 'n',
138 "Number of days until newly generated certificate expires - default 30"},
139 {"preserve_dates", OPT_PRESERVE_DATES, '-',
140 "Preserve existing validity dates"},
141 {"set_issuer", OPT_ISSU, 's', "Set or override certificate issuer"},
142 {"set_subject", OPT_SUBJ, 's', "Set or override certificate subject (and issuer)"},
143 {"subj", OPT_SUBJ, 's', "Alias for -set_subject"},
144 {"force_pubkey", OPT_FORCE_PUBKEY, '<',
145 "Key to be placed in new certificate or certificate request"},
146 {"clrext", OPT_CLREXT, '-',
147 "Do not take over any extensions from the source certificate or request"},
148 {"extfile", OPT_EXTFILE, '<', "Config file with X509V3 extensions to add"},
149 {"extensions", OPT_EXTENSIONS, 's',
150 "Section of extfile to use - default: unnamed section"},
151 {"sigopt", OPT_SIGOPT, 's', "Signature parameter, in n:v form"},
152 {"badsig", OPT_BADSIG, '-',
153 "Corrupt last byte of certificate signature (for test)"},
154 {"", OPT_MD, '-', "Any supported digest, used for signing and printing"},
156 OPT_SECTION("Micro-CA"),
158 "Use the given CA certificate, conflicts with -key"},
159 {"CAform", OPT_CAFORM, 'F', "CA cert format (PEM/DER/P12); has no effect"},
160 {"CAkey", OPT_CAKEY, 's', "The corresponding CA key; default is -CA arg"},
161 {"CAkeyform", OPT_CAKEYFORM, 'E',
162 "CA key format (ENGINE, other values ignored)"},
163 {"CAserial", OPT_CASERIAL, 's',
164 "File that keeps track of CA-generated serial number"},
165 {"CAcreateserial", OPT_CACREATESERIAL, '-',
166 "Create CA serial number file if it does not exist"},
168 OPT_SECTION("Certificate trust output"),
169 {"trustout", OPT_TRUSTOUT, '-', "Mark certificate PEM output as trusted"},
170 {"setalias", OPT_SETALIAS, 's', "Set certificate alias (nickname)"},
171 {"clrtrust", OPT_CLRTRUST, '-', "Clear all trusted purposes"},
172 {"addtrust", OPT_ADDTRUST, 's', "Trust certificate for a given purpose"},
173 {"clrreject", OPT_CLRREJECT, '-',
174 "Clears all the prohibited or rejected uses of the certificate"},
175 {"addreject", OPT_ADDREJECT, 's',
176 "Reject certificate for a given purpose"},
179 #ifndef OPENSSL_NO_ENGINE
180 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
186 static void warn_copying(ASN1_OBJECT *excluded, const char *names)
188 const char *sn = OBJ_nid2sn(OBJ_obj2nid(excluded));
190 if (names != NULL && strstr(names, sn) != NULL)
192 "Warning: -ext should not specify copying %s extension to CSR; ignoring this\n",
196 static X509_REQ *x509_to_req(X509 *cert, int ext_copy, const char *names)
198 const STACK_OF(X509_EXTENSION) *cert_exts = X509_get0_extensions(cert);
199 int i, n = sk_X509_EXTENSION_num(cert_exts /* may be NULL */);
200 ASN1_OBJECT *skid = OBJ_nid2obj(NID_subject_key_identifier);
201 ASN1_OBJECT *akid = OBJ_nid2obj(NID_authority_key_identifier);
202 STACK_OF(X509_EXTENSION) *exts;
203 X509_REQ *req = X509_to_X509_REQ(cert, NULL, NULL);
209 * Filter out SKID and AKID extensions, which make no sense in a CSR.
210 * If names is not NULL, copy only those extensions listed there.
212 warn_copying(skid, names);
213 warn_copying(akid, names);
214 if ((exts = sk_X509_EXTENSION_new_reserve(NULL, n)) == NULL)
216 for (i = 0; i < n; i++) {
217 X509_EXTENSION *ex = sk_X509_EXTENSION_value(cert_exts, i);
218 ASN1_OBJECT *obj = X509_EXTENSION_get_object(ex);
220 if (OBJ_cmp(obj, skid) != 0 && OBJ_cmp(obj, akid) != 0
221 && !sk_X509_EXTENSION_push(exts, ex))
225 if (sk_X509_EXTENSION_num(exts) > 0) {
226 if (ext_copy != EXT_COPY_UNSET && ext_copy != EXT_COPY_NONE
227 && !X509_REQ_add_extensions(req, exts)) {
228 BIO_printf(bio_err, "Error copying extensions from certificate\n");
232 sk_X509_EXTENSION_free(exts);
236 sk_X509_EXTENSION_free(exts);
241 static int self_signed(X509_STORE *ctx, X509 *cert)
243 X509_STORE_CTX *xsc = X509_STORE_CTX_new();
246 if (xsc == NULL || !X509_STORE_CTX_init(xsc, ctx, cert, NULL)) {
247 BIO_printf(bio_err, "Error initialising X509 store\n");
249 X509_STORE_CTX_set_flags(xsc, X509_V_FLAG_CHECK_SS_SIGNATURE);
250 ret = X509_verify_cert(xsc) > 0;
252 X509_STORE_CTX_free(xsc);
256 int x509_main(int argc, char **argv)
258 ASN1_INTEGER *sno = NULL;
259 ASN1_OBJECT *objtmp = NULL;
261 CONF *extconf = NULL;
262 int ext_copy = EXT_COPY_UNSET;
264 EVP_PKEY *privkey = NULL, *CAkey = NULL, *pubkey = NULL;
267 char *issu = NULL, *subj = NULL, *digest = NULL;
268 X509_NAME *fissu = NULL, *fsubj = NULL;
269 const unsigned long chtype = MBSTRING_ASC;
270 const int multirdn = 1;
271 STACK_OF(ASN1_OBJECT) *trust = NULL, *reject = NULL;
272 STACK_OF(OPENSSL_STRING) *sigopts = NULL, *vfyopts = NULL;
273 X509 *x = NULL, *xca = NULL, *issuer_cert;
274 X509_REQ *req = NULL, *rq = NULL;
275 X509_STORE *ctx = NULL;
276 char *CAkeyfile = NULL, *CAserial = NULL, *pubkeyfile = NULL, *alias = NULL;
277 char *checkhost = NULL, *checkemail = NULL, *checkip = NULL;
278 char *ext_names = NULL;
279 char *extsect = NULL, *extfile = NULL, *passin = NULL, *passinarg = NULL;
280 char *infile = NULL, *outfile = NULL, *privkeyfile = NULL, *CAfile = NULL;
282 int days = UNSET_DAYS; /* not explicitly set */
283 int x509toreq = 0, modulus = 0, print_pubkey = 0, pprint = 0;
284 int CAformat = FORMAT_UNDEF, CAkeyformat = FORMAT_UNDEF;
285 unsigned long dateopt = ASN1_DTFLGS_RFC822;
286 int fingerprint = 0, reqfile = 0, checkend = 0;
287 int informat = FORMAT_UNDEF, outformat = FORMAT_PEM, keyformat = FORMAT_UNDEF;
288 int next_serial = 0, subject_hash = 0, issuer_hash = 0, ocspid = 0;
289 int noout = 0, CA_createserial = 0, email = 0;
290 int ocsp_uri = 0, trustout = 0, clrtrust = 0, clrreject = 0, aliasout = 0;
291 int ret = 1, i, j, num = 0, badsig = 0, clrext = 0, nocert = 0;
292 int text = 0, serial = 0, subject = 0, issuer = 0, startdate = 0, ext = 0;
294 time_t checkoffset = 0;
295 unsigned long certflag = 0;
296 int preserve_dates = 0;
299 #ifndef OPENSSL_NO_MD5
300 int subject_hash_old = 0, issuer_hash_old = 0;
303 ctx = X509_STORE_new();
306 X509_STORE_set_verify_cb(ctx, callb);
308 opt_set_unknown_name("digest");
309 prog = opt_init(argc, argv, x509_options);
310 while ((o = opt_next()) != OPT_EOF) {
315 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
318 opt_help(x509_options);
322 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &informat))
329 if (!opt_format(opt_arg(), OPT_FMT_ANY, &outformat))
333 if (!opt_format(opt_arg(), OPT_FMT_ANY, &keyformat))
337 if (!opt_format(opt_arg(), OPT_FMT_ANY, &CAformat))
341 if (!opt_format(opt_arg(), OPT_FMT_ANY, &CAkeyformat))
352 if (!set_dateopt(&dateopt, opt_arg())) {
354 "Invalid date format: %s\n", opt_arg());
358 case OPT_COPY_EXTENSIONS:
359 if (!set_ext_copy(&ext_copy, opt_arg())) {
361 "Invalid extension copy option: %s\n", opt_arg());
368 sigopts = sk_OPENSSL_STRING_new_null();
369 if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, opt_arg()))
374 vfyopts = sk_OPENSSL_STRING_new_null();
375 if (!vfyopts || !sk_OPENSSL_STRING_push(vfyopts, opt_arg()))
379 days = atoi(opt_arg());
381 BIO_printf(bio_err, "%s: -days parameter arg must be >= -1\n",
387 passinarg = opt_arg();
397 if (!opt_provider(o))
405 privkeyfile = opt_arg();
411 CAkeyfile = opt_arg();
414 CAserial = opt_arg();
418 BIO_printf(bio_err, "Serial number supplied twice\n");
421 if ((sno = s2i_ASN1_INTEGER(NULL, opt_arg())) == NULL)
427 case OPT_FORCE_PUBKEY:
428 pubkeyfile = opt_arg();
437 if (trust == NULL && (trust = sk_ASN1_OBJECT_new_null()) == NULL)
439 if ((objtmp = OBJ_txt2obj(opt_arg(), 0)) == NULL) {
440 BIO_printf(bio_err, "%s: Invalid trust object value %s\n",
444 sk_ASN1_OBJECT_push(trust, objtmp);
448 if (reject == NULL && (reject = sk_ASN1_OBJECT_new_null()) == NULL)
450 if ((objtmp = OBJ_txt2obj(opt_arg(), 0)) == NULL) {
451 BIO_printf(bio_err, "%s: Invalid reject object value %s\n",
455 sk_ASN1_OBJECT_push(reject, objtmp);
463 if (!set_cert_ex(&certflag, opt_arg()))
467 if (!set_nameopt(opt_arg()))
471 e = setup_engine(opt_arg(), 0);
482 case OPT_NEXT_SERIAL:
489 print_pubkey = ++num;
503 case OPT_FINGERPRINT:
507 subject_hash = ++num;
509 case OPT_ISSUER_HASH:
526 ext_names = opt_arg();
543 case OPT_CACREATESERIAL:
555 #ifndef OPENSSL_NO_MD5
556 case OPT_SUBJECT_HASH_OLD:
557 subject_hash_old = ++num;
559 case OPT_ISSUER_HASH_OLD:
560 issuer_hash_old = ++num;
563 case OPT_SUBJECT_HASH_OLD:
564 case OPT_ISSUER_HASH_OLD:
574 ossl_intmax_t temp = 0;
575 if (!opt_intmax(opt_arg(), &temp))
577 checkoffset = (time_t)temp;
578 if ((ossl_intmax_t)checkoffset != temp) {
579 BIO_printf(bio_err, "%s: Checkend time out of range %s\n",
586 checkhost = opt_arg();
589 checkemail = opt_arg();
594 case OPT_PRESERVE_DATES:
598 digest = opt_unknown();
602 /* No extra arguments. */
603 if (!opt_check_rest_arg(NULL))
606 if (!app_RAND_load())
609 if (!opt_check_md(digest))
612 if (preserve_dates && days != UNSET_DAYS) {
613 BIO_printf(bio_err, "Cannot use -preserve_dates with -days option\n");
616 if (days == UNSET_DAYS)
619 if (!app_passwd(passinarg, NULL, &passin, NULL)) {
620 BIO_printf(bio_err, "Error getting password\n");
624 if (!X509_STORE_set_default_paths_ex(ctx, app_get0_libctx(),
628 if (newcert && infile != NULL) {
629 BIO_printf(bio_err, "The -in option cannot be used with -new\n");
632 if (newcert && reqfile) {
633 BIO_printf(bio_err, "The -req option cannot be used with -new\n");
636 if (privkeyfile != NULL) {
637 privkey = load_key(privkeyfile, keyformat, 0, passin, e, "private key");
641 if (pubkeyfile != NULL) {
642 if ((pubkey = load_pubkey(pubkeyfile, keyformat, 0, NULL, e,
643 "explicitly set public key")) == NULL)
650 "The -new option requires a subject to be set using -subj\n");
653 if (privkeyfile == NULL && pubkeyfile == NULL) {
655 "The -new option requires using the -key or -force_pubkey option\n");
660 && (fissu = parse_name(issu, chtype, multirdn, "issuer")) == NULL)
663 && (fsubj = parse_name(subj, chtype, multirdn, "subject")) == NULL)
666 if (CAkeyfile == NULL)
668 if (CAfile != NULL) {
669 if (privkeyfile != NULL) {
670 BIO_printf(bio_err, "Cannot use both -key/-signkey and -CA option\n");
674 #define WARN_NO_CA(opt) BIO_printf(bio_err, \
675 "Warning: ignoring " opt " option since -CA option is not given\n");
676 if (CAkeyfile != NULL)
677 WARN_NO_CA("-CAkey");
678 if (CAkeyformat != FORMAT_UNDEF)
679 WARN_NO_CA("-CAkeyform");
680 if (CAformat != FORMAT_UNDEF)
681 WARN_NO_CA("-CAform");
682 if (CAserial != NULL)
683 WARN_NO_CA("-CAserial");
685 WARN_NO_CA("-CAcreateserial");
688 if (extfile == NULL) {
691 "Warning: ignoring -extensions option without -extfile\n");
695 if ((extconf = app_load_config(extfile)) == NULL)
697 if (extsect == NULL) {
698 extsect = app_conf_try_string(extconf, "default", "extensions");
702 X509V3_set_ctx_test(&ctx2);
703 X509V3_set_nconf(&ctx2, extconf);
704 if (!X509V3_EXT_add_nconf(extconf, &ctx2, extsect, NULL)) {
706 "Error checking extension section %s\n", extsect);
714 "Warning: Reading cert request from stdin since no -in option is given\n");
715 req = load_csr_autofmt(infile, informat, vfyopts,
716 "certificate request input");
720 if ((pkey = X509_REQ_get0_pubkey(req)) == NULL) {
721 BIO_printf(bio_err, "Error unpacking public key from CSR\n");
724 i = do_X509_REQ_verify(req, pkey, vfyopts);
726 BIO_printf(bio_err, i < 0
727 ? "Error while verifying certificate request self-signature\n"
728 : "Certificate request self-signature did not match the contents\n");
731 BIO_printf(bio_err, "Certificate request self-signature ok\n");
733 print_name(bio_err, "subject=", X509_REQ_get_subject_name(req));
734 } else if (!x509toreq && ext_copy != EXT_COPY_UNSET) {
735 BIO_printf(bio_err, "Warning: ignoring -copy_extensions since neither -x509toreq nor -req is given\n");
738 if (reqfile || newcert) {
741 "Warning: ignoring -preserve_dates option with -req or -new\n");
743 if (privkeyfile == NULL && CAkeyfile == NULL) {
745 "We need a private key to sign with, use -key or -CAkey or -CA with private key\n");
748 if ((x = X509_new_ex(app_get0_libctx(), app_get0_propq())) == NULL)
750 if (CAfile == NULL && sno == NULL) {
751 sno = ASN1_INTEGER_new();
752 if (sno == NULL || !rand_serial(NULL, sno))
755 if (req != NULL && ext_copy != EXT_COPY_UNSET) {
756 if (clrext && ext_copy != EXT_COPY_NONE) {
757 BIO_printf(bio_err, "Must not use -clrext together with -copy_extensions\n");
759 } else if (!copy_extensions(x, req, ext_copy)) {
760 BIO_printf(bio_err, "Error copying extensions from request\n");
767 "Warning: Reading certificate from stdin since no -in or -new option is given\n");
768 x = load_cert_pass(infile, informat, 1, passin, "certificate");
772 if ((fsubj != NULL || req != NULL)
773 && !X509_set_subject_name(x, fsubj != NULL ? fsubj :
774 X509_REQ_get_subject_name(req)))
776 if ((pubkey != NULL || privkey != NULL || req != NULL)
777 && !X509_set_pubkey(x, pubkey != NULL ? pubkey :
778 privkey != NULL ? privkey :
779 X509_REQ_get0_pubkey(req)))
782 if (CAfile != NULL) {
783 xca = load_cert_pass(CAfile, CAformat, 1, passin, "CA certificate");
788 out = bio_open_default(outfile, 'w', outformat);
793 X509_alias_set1(x, (unsigned char *)alias, -1);
798 X509_reject_clear(x);
801 for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++)
802 X509_add1_trust_object(x, sk_ASN1_OBJECT_value(trust, i));
805 if (reject != NULL) {
806 for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++)
807 X509_add1_reject_object(x, sk_ASN1_OBJECT_value(reject, i));
810 if (clrext && ext_names != NULL)
811 BIO_printf(bio_err, "Warning: Ignoring -ext since -clrext is given\n");
812 for (i = X509_get_ext_count(x) - 1; i >= 0; i--) {
813 X509_EXTENSION *ex = X509_get_ext(x, i);
814 const char *sn = OBJ_nid2sn(OBJ_obj2nid(X509_EXTENSION_get_object(ex)));
816 if (clrext || (ext_names != NULL && strstr(ext_names, sn) == NULL))
817 X509_EXTENSION_free(X509_delete_ext(x, i));
821 if (CAfile != NULL) {
824 sno = x509_load_serial(CAfile, CAserial, CA_createserial);
827 if (!x509toreq && !reqfile && !newcert && !self_signed(ctx, x))
830 if (privkey != NULL && !cert_matches_key(x, privkey))
832 "Warning: Signature key and public key of cert do not match\n");
835 if (sno != NULL && !X509_set_serialNumber(x, sno))
838 if (reqfile || newcert || privkey != NULL || CAfile != NULL) {
839 if (!preserve_dates && !set_cert_times(x, NULL, NULL, days))
842 if (!X509_set_issuer_name(x, fissu))
845 if (!X509_set_issuer_name(x, X509_get_subject_name(issuer_cert)))
850 X509V3_set_ctx(&ext_ctx, issuer_cert, x, NULL, NULL, X509V3_CTX_REPLACE);
851 /* prepare fallback for AKID, but only if issuer cert equals subject cert */
852 if (CAfile == NULL) {
853 if (!X509V3_set_issuer_pkey(&ext_ctx, privkey))
856 if (extconf != NULL && !x509toreq) {
857 X509V3_set_nconf(&ext_ctx, extconf);
858 if (!X509V3_EXT_add_nconf(extconf, &ext_ctx, extsect, x)) {
860 "Error adding extensions from section %s\n", extsect);
865 /* At this point the contents of the certificate x have been finished. */
867 pkey = X509_get0_pubkey(x);
868 if ((print_pubkey != 0 || modulus != 0) && pkey == NULL) {
869 BIO_printf(bio_err, "Error getting public key\n");
873 if (x509toreq) { /* also works in conjunction with -req */
874 if (privkey == NULL) {
875 BIO_printf(bio_err, "Must specify request signing key using -key\n");
878 if (clrext && ext_copy != EXT_COPY_NONE) {
879 BIO_printf(bio_err, "Must not use -clrext together with -copy_extensions\n");
882 if ((rq = x509_to_req(x, ext_copy, ext_names)) == NULL)
884 if (extconf != NULL) {
885 X509V3_set_nconf(&ext_ctx, extconf);
886 if (!X509V3_EXT_REQ_add_nconf(extconf, &ext_ctx, extsect, rq)) {
888 "Error adding request extensions from section %s\n", extsect);
892 if (!do_X509_REQ_sign(rq, privkey, digest, sigopts))
895 if (outformat == FORMAT_ASN1) {
896 X509_REQ_print_ex(out, rq, get_nameopt(), X509_FLAG_COMPAT);
897 i = i2d_X509_bio(out, x);
899 i = PEM_write_bio_X509_REQ(out, rq);
903 "Unable to write certificate request\n");
908 } else if (CAfile != NULL) {
909 if ((CAkey = load_key(CAkeyfile, CAkeyformat,
910 0, passin, e, "CA private key")) == NULL)
912 if (!X509_check_private_key(xca, CAkey)) {
914 "CA certificate and CA private key do not match\n");
918 if (!do_X509_sign(x, 0, CAkey, digest, sigopts, &ext_ctx))
920 } else if (privkey != NULL) {
921 if (!do_X509_sign(x, 0, privkey, digest, sigopts, &ext_ctx))
925 const ASN1_BIT_STRING *signature;
927 X509_get0_signature(&signature, NULL, x);
928 corrupt_signature(signature);
931 /* Process print options in the given order, as indicated by index i */
932 for (i = 1; i <= num; i++) {
934 print_name(out, "issuer=", X509_get_issuer_name(x));
935 } else if (i == subject) {
936 print_name(out, "subject=", X509_get_subject_name(x));
937 } else if (i == serial) {
938 BIO_printf(out, "serial=");
939 i2a_ASN1_INTEGER(out, X509_get0_serialNumber(x));
940 BIO_printf(out, "\n");
941 } else if (i == next_serial) {
943 BIGNUM *bnser = ASN1_INTEGER_to_BN(X509_get0_serialNumber(x), NULL);
947 if (!BN_add_word(bnser, 1)
948 || (ser = BN_to_ASN1_INTEGER(bnser, NULL)) == NULL) {
953 i2a_ASN1_INTEGER(out, ser);
954 ASN1_INTEGER_free(ser);
956 } else if (i == email || i == ocsp_uri) {
957 STACK_OF(OPENSSL_STRING) *emlst =
958 i == email ? X509_get1_email(x) : X509_get1_ocsp(x);
960 for (j = 0; j < sk_OPENSSL_STRING_num(emlst); j++)
961 BIO_printf(out, "%s\n", sk_OPENSSL_STRING_value(emlst, j));
962 X509_email_free(emlst);
963 } else if (i == aliasout) {
964 unsigned char *alstr = X509_alias_get0(x, NULL);
967 BIO_printf(out, "%s\n", alstr);
969 BIO_puts(out, "<No Alias>\n");
970 } else if (i == subject_hash) {
971 BIO_printf(out, "%08lx\n", X509_subject_name_hash(x));
972 #ifndef OPENSSL_NO_MD5
973 } else if (i == subject_hash_old) {
974 BIO_printf(out, "%08lx\n", X509_subject_name_hash_old(x));
976 } else if (i == issuer_hash) {
977 BIO_printf(out, "%08lx\n", X509_issuer_name_hash(x));
978 #ifndef OPENSSL_NO_MD5
979 } else if (i == issuer_hash_old) {
980 BIO_printf(out, "%08lx\n", X509_issuer_name_hash_old(x));
982 } else if (i == pprint) {
983 BIO_printf(out, "Certificate purposes:\n");
984 for (j = 0; j < X509_PURPOSE_get_count(); j++)
985 purpose_print(out, x, X509_PURPOSE_get0(j));
986 } else if (i == modulus) {
987 BIO_printf(out, "Modulus=");
988 if (EVP_PKEY_is_a(pkey, "RSA") || EVP_PKEY_is_a(pkey, "RSA-PSS")) {
991 /* Every RSA key has an 'n' */
992 EVP_PKEY_get_bn_param(pkey, "n", &n);
995 } else if (EVP_PKEY_is_a(pkey, "DSA")) {
996 BIGNUM *dsapub = NULL;
998 /* Every DSA key has a 'pub' */
999 EVP_PKEY_get_bn_param(pkey, "pub", &dsapub);
1000 BN_print(out, dsapub);
1003 BIO_printf(out, "No modulus for this public key type");
1005 BIO_printf(out, "\n");
1006 } else if (i == print_pubkey) {
1007 PEM_write_bio_PUBKEY(out, pkey);
1008 } else if (i == text) {
1009 X509_print_ex(out, x, get_nameopt(), certflag);
1010 } else if (i == startdate) {
1011 BIO_puts(out, "notBefore=");
1012 ASN1_TIME_print_ex(out, X509_get0_notBefore(x), dateopt);
1013 BIO_puts(out, "\n");
1014 } else if (i == enddate) {
1015 BIO_puts(out, "notAfter=");
1016 ASN1_TIME_print_ex(out, X509_get0_notAfter(x), dateopt);
1017 BIO_puts(out, "\n");
1018 } else if (i == fingerprint) {
1020 unsigned char md[EVP_MAX_MD_SIZE];
1021 const char *fdigname = digest;
1025 if (fdigname == NULL)
1028 if ((fdig = EVP_MD_fetch(app_get0_libctx(), fdigname,
1029 app_get0_propq())) == NULL) {
1030 BIO_printf(bio_err, "Unknown digest\n");
1033 digres = X509_digest(x, fdig, md, &n);
1036 BIO_printf(bio_err, "Out of memory\n");
1040 BIO_printf(out, "%s Fingerprint=", fdigname);
1041 for (j = 0; j < (int)n; j++)
1042 BIO_printf(out, "%02X%c", md[j], (j + 1 == (int)n) ? '\n' : ':');
1043 } else if (i == ocspid) {
1044 X509_ocspid_print(out, x);
1045 } else if (i == ext) {
1046 print_x509v3_exts(out, x, ext_names);
1051 time_t tcheck = time(NULL) + checkoffset;
1053 ret = X509_cmp_time(X509_get0_notAfter(x), &tcheck) < 0;
1055 BIO_printf(out, "Certificate will expire\n");
1057 BIO_printf(out, "Certificate will not expire\n");
1061 if (!check_cert_attributes(out, x, checkhost, checkemail, checkip, 1))
1064 if (noout || nocert) {
1069 if (outformat == FORMAT_ASN1) {
1070 i = i2d_X509_bio(out, x);
1071 } else if (outformat == FORMAT_PEM) {
1073 i = PEM_write_bio_X509_AUX(out, x);
1075 i = PEM_write_bio_X509(out, x);
1077 BIO_printf(bio_err, "Bad output format specified for outfile\n");
1081 BIO_printf(bio_err, "Unable to write certificate\n");
1089 ERR_print_errors(bio_err);
1092 NCONF_free(extconf);
1094 X509_STORE_free(ctx);
1095 X509_NAME_free(fissu);
1096 X509_NAME_free(fsubj);
1100 EVP_PKEY_free(privkey);
1101 EVP_PKEY_free(CAkey);
1102 EVP_PKEY_free(pubkey);
1103 sk_OPENSSL_STRING_free(sigopts);
1104 sk_OPENSSL_STRING_free(vfyopts);
1106 ASN1_INTEGER_free(sno);
1107 sk_ASN1_OBJECT_pop_free(trust, ASN1_OBJECT_free);
1108 sk_ASN1_OBJECT_pop_free(reject, ASN1_OBJECT_free);
1114 static ASN1_INTEGER *x509_load_serial(const char *CAfile,
1115 const char *serialfile, int create)
1118 ASN1_INTEGER *bs = NULL;
1119 BIGNUM *serial = NULL;
1120 int defaultfile = 0, file_exists;
1122 if (serialfile == NULL) {
1123 const char *p = strrchr(CAfile, '.');
1124 size_t len = p != NULL ? (size_t)(p - CAfile) : strlen(CAfile);
1126 buf = app_malloc(len + sizeof(POSTFIX), "serial# buffer");
1127 memcpy(buf, CAfile, len);
1128 memcpy(buf + len, POSTFIX, sizeof(POSTFIX));
1133 serial = load_serial(serialfile, &file_exists, create || defaultfile, NULL);
1137 if (!BN_add_word(serial, 1)) {
1138 BIO_printf(bio_err, "Serial number increment failure\n");
1142 if (file_exists || create)
1143 save_serial(serialfile, NULL, serial, &bs);
1145 bs = BN_to_ASN1_INTEGER(serial, NULL);
1153 static int callb(int ok, X509_STORE_CTX *ctx)
1159 * It is ok to use a self-signed certificate. This case will catch both
1160 * the initial ok == 0 and the final ok == 1 calls to this function.
1162 err = X509_STORE_CTX_get_error(ctx);
1163 if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
1167 err_cert = X509_STORE_CTX_get_current_cert(ctx);
1168 print_name(bio_err, "subject=", X509_get_subject_name(err_cert));
1170 "Error with certificate - error %d at depth %d\n%s\n", err,
1171 X509_STORE_CTX_get_error_depth(ctx),
1172 X509_verify_cert_error_string(err));
1179 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt)
1183 id = X509_PURPOSE_get_id(pt);
1184 pname = X509_PURPOSE_get0_name(pt);
1185 for (i = 0; i < 2; i++) {
1186 idret = X509_check_purpose(cert, id, i);
1187 BIO_printf(bio, "%s%s : ", pname, i ? " CA" : "");
1189 BIO_printf(bio, "Yes\n");
1190 else if (idret == 0)
1191 BIO_printf(bio, "No\n");
1193 BIO_printf(bio, "Yes (WARNING code=%d)\n", idret);
1198 static int parse_ext_names(char *names, const char **result)
1201 int cnt = 0, len = 0;
1204 len = strlen(names);
1206 while (q - names <= len) {
1207 if (*q != ',' && *q != '\0') {
1213 if (result != NULL) {
1225 static int print_x509v3_exts(BIO *bio, X509 *x, const char *ext_names)
1227 const STACK_OF(X509_EXTENSION) *exts = NULL;
1228 STACK_OF(X509_EXTENSION) *exts2 = NULL;
1229 X509_EXTENSION *ext = NULL;
1231 int i, j, ret = 0, num, nn = 0;
1232 const char *sn, **names = NULL;
1233 char *tmp_ext_names = NULL;
1235 exts = X509_get0_extensions(x);
1236 if ((num = sk_X509_EXTENSION_num(exts)) <= 0) {
1237 BIO_printf(bio_err, "No extensions in certificate\n");
1242 /* parse comma separated ext name string */
1243 if ((tmp_ext_names = OPENSSL_strdup(ext_names)) == NULL)
1245 if ((nn = parse_ext_names(tmp_ext_names, NULL)) == 0) {
1246 BIO_printf(bio, "Invalid extension names: %s\n", ext_names);
1249 if ((names = OPENSSL_malloc(sizeof(char *) * nn)) == NULL)
1251 parse_ext_names(tmp_ext_names, names);
1253 for (i = 0; i < num; i++) {
1254 ext = sk_X509_EXTENSION_value(exts, i);
1256 /* check if this ext is what we want */
1257 obj = X509_EXTENSION_get_object(ext);
1258 sn = OBJ_nid2sn(OBJ_obj2nid(obj));
1259 if (sn == NULL || strcmp(sn, "UNDEF") == 0)
1262 for (j = 0; j < nn; j++) {
1263 if (strcmp(sn, names[j]) == 0) {
1264 /* push the extension into a new stack */
1266 && (exts2 = sk_X509_EXTENSION_new_null()) == NULL)
1268 if (!sk_X509_EXTENSION_push(exts2, ext))
1274 if (!sk_X509_EXTENSION_num(exts2)) {
1275 BIO_printf(bio, "No extensions matched with %s\n", ext_names);
1280 ret = X509V3_extensions_print(bio, NULL, exts2, 0, 0);
1282 sk_X509_EXTENSION_free(exts2);
1283 OPENSSL_free(names);
1284 OPENSSL_free(tmp_ext_names);