2 * Copyright 1995-2021 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 {
42 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
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_SIGNKEY, OPT_CA, OPT_CAKEY,
46 OPT_CASERIAL, OPT_SET_SERIAL, OPT_NEW, OPT_FORCE_PUBKEY, OPT_SUBJ,
47 OPT_ADDTRUST, OPT_ADDREJECT, OPT_SETALIAS, OPT_CERTOPT, OPT_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 (default stdin), or CSR input file with -req"},
65 {"passin", OPT_PASSIN, 's', "Private key and cert file pass-phrase source"},
66 {"new", OPT_NEW, '-', "Generate a certificate from scratch"},
67 {"x509toreq", OPT_X509TOREQ, '-',
68 "Output a certification request (rather than a certificate)"},
69 {"req", OPT_REQ, '-', "Input is a CSR file (rather than a certificate)"},
70 {"copy_extensions", OPT_COPY_EXTENSIONS, 's',
71 "copy extensions when converting from CSR to x509 or vice versa"},
72 {"inform", OPT_INFORM, 'f',
73 "CSR input file format (DER or PEM) - default PEM"},
74 {"vfyopt", OPT_VFYOPT, 's', "CSR verification parameter in n:v form"},
75 {"signkey", OPT_SIGNKEY, 's',
76 "Key used to self-sign certificate or cert request"},
77 {"keyform", OPT_KEYFORM, 'E',
78 "Key input format (ENGINE, other values ignored)"},
79 {"out", OPT_OUT, '>', "Output file - default stdout"},
80 {"outform", OPT_OUTFORM, 'f',
81 "Output format (DER or PEM) - default PEM"},
82 {"nocert", OPT_NOCERT, '-',
83 "No cert output (except for requested printing)"},
84 {"noout", OPT_NOOUT, '-', "No output (except for requested printing)"},
86 OPT_SECTION("Certificate printing"),
87 {"text", OPT_TEXT, '-', "Print the certificate in text form"},
88 {"certopt", OPT_CERTOPT, 's', "Various certificate text printing options"},
89 {"fingerprint", OPT_FINGERPRINT, '-', "Print the certificate fingerprint"},
90 {"alias", OPT_ALIAS, '-', "Print certificate alias"},
91 {"serial", OPT_SERIAL, '-', "Print serial number value"},
92 {"startdate", OPT_STARTDATE, '-', "Print the notBefore field"},
93 {"enddate", OPT_ENDDATE, '-', "Print the notAfter field"},
94 {"dates", OPT_DATES, '-', "Print both notBefore and notAfter fields"},
95 {"subject", OPT_SUBJECT, '-', "Print subject DN"},
96 {"issuer", OPT_ISSUER, '-', "Print issuer DN"},
97 {"nameopt", OPT_NAMEOPT, 's',
98 "Certificate subject/issuer name printing options"},
99 {"email", OPT_EMAIL, '-', "Print email address(es)"},
100 {"hash", OPT_HASH, '-', "Synonym for -subject_hash (for backward compat)"},
101 {"subject_hash", OPT_HASH, '-', "Print subject hash value"},
102 #ifndef OPENSSL_NO_MD5
103 {"subject_hash_old", OPT_SUBJECT_HASH_OLD, '-',
104 "Print old-style (MD5) subject hash value"},
106 {"issuer_hash", OPT_ISSUER_HASH, '-', "Print issuer hash value"},
107 #ifndef OPENSSL_NO_MD5
108 {"issuer_hash_old", OPT_ISSUER_HASH_OLD, '-',
109 "Print old-style (MD5) issuer hash value"},
111 {"ext", OPT_EXT, 's',
112 "Restrict which X.509 extensions to print and/or copy"},
113 {"ocspid", OPT_OCSPID, '-',
114 "Print OCSP hash values for the subject name and public key"},
115 {"ocsp_uri", OPT_OCSP_URI, '-', "Print OCSP Responder URL(s)"},
116 {"purpose", OPT_PURPOSE, '-', "Print out certificate purposes"},
117 {"pubkey", OPT_PUBKEY, '-', "Print the public key in PEM format"},
118 {"modulus", OPT_MODULUS, '-', "Print the RSA key modulus"},
120 OPT_SECTION("Certificate checking"),
121 {"checkend", OPT_CHECKEND, 'M',
122 "Check whether cert expires in the next arg seconds"},
123 {OPT_MORE_STR, 1, 1, "Exit 1 (failure) if so, 0 if not"},
124 {"checkhost", OPT_CHECKHOST, 's', "Check certificate matches host"},
125 {"checkemail", OPT_CHECKEMAIL, 's', "Check certificate matches email"},
126 {"checkip", OPT_CHECKIP, 's', "Check certificate matches ipaddr"},
128 OPT_SECTION("Certificate output"),
129 {"set_serial", OPT_SET_SERIAL, 's',
130 "Serial number to use, overrides -CAserial"},
131 {"next_serial", OPT_NEXT_SERIAL, '-',
132 "Increment current certificate serial number"},
133 {"days", OPT_DAYS, 'n',
134 "Number of days until newly generated certificate expires - default 30"},
135 {"preserve_dates", OPT_PRESERVE_DATES, '-',
136 "Preserve existing validity dates"},
137 {"subj", OPT_SUBJ, 's', "Set or override certificate subject (and issuer)"},
138 {"force_pubkey", OPT_FORCE_PUBKEY, '<',
139 "Place the given key in new certificate"},
140 {"clrext", OPT_CLREXT, '-',
141 "Do not take over any extensions from the source certificate or request"},
142 {"extfile", OPT_EXTFILE, '<', "Config file with X509V3 extensions to add"},
143 {"extensions", OPT_EXTENSIONS, 's',
144 "Section of extfile to use - default: unnamed section"},
145 {"sigopt", OPT_SIGOPT, 's', "Signature parameter, in n:v form"},
146 {"badsig", OPT_BADSIG, '-',
147 "Corrupt last byte of certificate signature (for test)"},
148 {"", OPT_MD, '-', "Any supported digest, used for signing and printing"},
150 OPT_SECTION("Micro-CA"),
152 "Use the given CA certificate, conflicts with -signkey"},
153 {"CAform", OPT_CAFORM, 'F', "CA cert format (PEM/DER/P12); has no effect"},
154 {"CAkey", OPT_CAKEY, 's', "The corresponding CA key; default is -CA arg"},
155 {"CAkeyform", OPT_CAKEYFORM, 'E',
156 "CA key format (ENGINE, other values ignored)"},
157 {"CAserial", OPT_CASERIAL, 's',
158 "File that keeps track of CA-generated serial number"},
159 {"CAcreateserial", OPT_CACREATESERIAL, '-',
160 "Create CA serial number file if it does not exist"},
162 OPT_SECTION("Certificate trust output"),
163 {"trustout", OPT_TRUSTOUT, '-', "Mark certificate PEM output as trusted"},
164 {"setalias", OPT_SETALIAS, 's', "Set certificate alias (nickname)"},
165 {"clrtrust", OPT_CLRTRUST, '-', "Clear all trusted purposes"},
166 {"addtrust", OPT_ADDTRUST, 's', "Trust certificate for a given purpose"},
167 {"clrreject", OPT_CLRREJECT, '-',
168 "Clears all the prohibited or rejected uses of the certificate"},
169 {"addreject", OPT_ADDREJECT, 's',
170 "Reject certificate for a given purpose"},
173 #ifndef OPENSSL_NO_ENGINE
174 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
180 static void warn_copying(ASN1_OBJECT *excluded, const char *names)
182 const char *sn = OBJ_nid2sn(OBJ_obj2nid(excluded));
184 if (names != NULL && strstr(names, sn) != NULL)
186 "Warning: -ext should not specify copying %s extension to CSR; ignoring this\n",
190 static X509_REQ *x509_to_req(X509 *cert, EVP_PKEY *pkey, const EVP_MD *digest,
191 STACK_OF(OPENSSL_STRING) *sigopts,
192 int ext_copy, const char *names)
194 const STACK_OF(X509_EXTENSION) *cert_exts = X509_get0_extensions(cert);
195 int i, n = sk_X509_EXTENSION_num(cert_exts /* may be NULL */);
196 ASN1_OBJECT *skid = OBJ_nid2obj(NID_subject_key_identifier);
197 ASN1_OBJECT *akid = OBJ_nid2obj(NID_authority_key_identifier);
198 STACK_OF(X509_EXTENSION) *exts;
199 X509_REQ *req = X509_to_X509_REQ(cert, NULL, NULL);
205 * Filter out SKID and AKID extensions, which make no sense in a CSR.
206 * If names is not NULL, copy only those extensions listed there.
208 warn_copying(skid, names);
209 warn_copying(akid, names);
210 if ((exts = sk_X509_EXTENSION_new_reserve(NULL, n)) == NULL)
212 for (i = 0; i < n; i++) {
213 X509_EXTENSION *ex = sk_X509_EXTENSION_value(cert_exts, i);
214 ASN1_OBJECT *obj = X509_EXTENSION_get_object(ex);
216 if (OBJ_cmp(obj, skid) != 0 && OBJ_cmp(obj, akid) != 0
217 && !sk_X509_EXTENSION_push(exts, ex))
221 if (sk_X509_EXTENSION_num(exts) > 0) {
222 if (ext_copy != EXT_COPY_UNSET && ext_copy != EXT_COPY_NONE
223 && !X509_REQ_add_extensions(req, exts)) {
224 BIO_printf(bio_err, "Error copying extensions from certificate\n");
228 if (!do_X509_REQ_sign(req, pkey, digest, sigopts))
230 sk_X509_EXTENSION_free(exts);
234 sk_X509_EXTENSION_free(exts);
239 int x509_main(int argc, char **argv)
241 ASN1_INTEGER *sno = NULL;
242 ASN1_OBJECT *objtmp = NULL;
244 CONF *extconf = NULL;
245 int ext_copy = EXT_COPY_UNSET;
247 EVP_PKEY *signkey = NULL, *CAkey = NULL, *pubkey = NULL;
250 char *subj = NULL, *digestname = NULL;
251 X509_NAME *fsubj = NULL;
252 const unsigned long chtype = MBSTRING_ASC;
253 const int multirdn = 1;
254 STACK_OF(ASN1_OBJECT) *trust = NULL, *reject = NULL;
255 STACK_OF(OPENSSL_STRING) *sigopts = NULL, *vfyopts = NULL;
256 X509 *x = NULL, *xca = NULL, *issuer_cert;
257 X509_REQ *req = NULL, *rq = NULL;
258 X509_STORE *ctx = NULL;
259 const EVP_MD *digest = NULL;
260 char *CAkeyfile = NULL, *CAserial = NULL, *pubkeyfile = NULL, *alias = NULL;
261 char *checkhost = NULL, *checkemail = NULL, *checkip = NULL;
262 char *ext_names = NULL;
263 char *extsect = NULL, *extfile = NULL, *passin = NULL, *passinarg = NULL;
264 char *infile = NULL, *outfile = NULL, *signkeyfile = NULL, *CAfile = NULL;
266 int days = UNSET_DAYS; /* not explicitly set */
267 int x509toreq = 0, modulus = 0, print_pubkey = 0, pprint = 0;
268 int CAformat = FORMAT_PEM, CAkeyformat = FORMAT_PEM;
269 int fingerprint = 0, reqfile = 0, checkend = 0;
270 int informat = FORMAT_PEM, outformat = FORMAT_PEM, keyformat = FORMAT_PEM;
271 int next_serial = 0, subject_hash = 0, issuer_hash = 0, ocspid = 0;
272 int noout = 0, CA_createserial = 0, email = 0;
273 int ocsp_uri = 0, trustout = 0, clrtrust = 0, clrreject = 0, aliasout = 0;
274 int ret = 1, i, j, num = 0, badsig = 0, clrext = 0, nocert = 0;
275 int text = 0, serial = 0, subject = 0, issuer = 0, startdate = 0, ext = 0;
277 time_t checkoffset = 0;
278 unsigned long certflag = 0;
279 int preserve_dates = 0;
282 #ifndef OPENSSL_NO_MD5
283 int subject_hash_old = 0, issuer_hash_old = 0;
286 ctx = X509_STORE_new();
289 X509_STORE_set_verify_cb(ctx, callb);
291 prog = opt_init(argc, argv, x509_options);
292 while ((o = opt_next()) != OPT_EOF) {
297 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
300 opt_help(x509_options);
304 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &informat))
311 if (!opt_format(opt_arg(), OPT_FMT_ANY, &outformat))
315 if (!opt_format(opt_arg(), OPT_FMT_ANY, &keyformat))
319 if (!opt_format(opt_arg(), OPT_FMT_ANY, &CAformat))
323 if (!opt_format(opt_arg(), OPT_FMT_ANY, &CAkeyformat))
332 case OPT_COPY_EXTENSIONS:
333 if (!set_ext_copy(&ext_copy, opt_arg())) {
335 "Invalid extension copy option: %s\n", opt_arg());
342 sigopts = sk_OPENSSL_STRING_new_null();
343 if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, opt_arg()))
348 vfyopts = sk_OPENSSL_STRING_new_null();
349 if (!vfyopts || !sk_OPENSSL_STRING_push(vfyopts, opt_arg()))
353 days = atoi(opt_arg());
355 BIO_printf(bio_err, "%s: -days parameter arg must be >= -1\n",
361 passinarg = opt_arg();
371 if (!opt_provider(o))
378 signkeyfile = opt_arg();
384 CAkeyfile = opt_arg();
387 CAserial = opt_arg();
391 BIO_printf(bio_err, "Serial number supplied twice\n");
394 if ((sno = s2i_ASN1_INTEGER(NULL, opt_arg())) == NULL)
400 case OPT_FORCE_PUBKEY:
401 pubkeyfile = opt_arg();
407 if (trust == NULL && (trust = sk_ASN1_OBJECT_new_null()) == NULL)
409 if ((objtmp = OBJ_txt2obj(opt_arg(), 0)) == NULL) {
410 BIO_printf(bio_err, "%s: Invalid trust object value %s\n",
414 sk_ASN1_OBJECT_push(trust, objtmp);
418 if (reject == NULL && (reject = sk_ASN1_OBJECT_new_null()) == NULL)
420 if ((objtmp = OBJ_txt2obj(opt_arg(), 0)) == NULL) {
421 BIO_printf(bio_err, "%s: Invalid reject object value %s\n",
425 sk_ASN1_OBJECT_push(reject, objtmp);
433 if (!set_cert_ex(&certflag, opt_arg()))
437 if (!set_nameopt(opt_arg()))
441 e = setup_engine(opt_arg(), 0);
452 case OPT_NEXT_SERIAL:
459 print_pubkey = ++num;
473 case OPT_FINGERPRINT:
477 subject_hash = ++num;
479 case OPT_ISSUER_HASH:
496 ext_names = opt_arg();
513 case OPT_CACREATESERIAL:
514 CA_createserial = ++num;
525 #ifndef OPENSSL_NO_MD5
526 case OPT_SUBJECT_HASH_OLD:
527 subject_hash_old = ++num;
529 case OPT_ISSUER_HASH_OLD:
530 issuer_hash_old = ++num;
533 case OPT_SUBJECT_HASH_OLD:
534 case OPT_ISSUER_HASH_OLD:
545 if (!opt_imax(opt_arg(), &temp))
547 checkoffset = (time_t)temp;
548 if ((intmax_t)checkoffset != temp) {
549 BIO_printf(bio_err, "%s: Checkend time out of range %s\n",
556 checkhost = opt_arg();
559 checkemail = opt_arg();
564 case OPT_PRESERVE_DATES:
568 digestname = opt_unknown();
573 /* No extra arguments. */
574 argc = opt_num_rest();
579 if (digestname != NULL) {
580 if (!opt_md(digestname, &digest))
583 if (preserve_dates && days != UNSET_DAYS) {
584 BIO_printf(bio_err, "Cannot use -preserve_dates with -days option\n");
587 if (days == UNSET_DAYS)
590 if (!app_passwd(passinarg, NULL, &passin, NULL)) {
591 BIO_printf(bio_err, "Error getting password\n");
595 if (!X509_STORE_set_default_paths_ex(ctx, app_get0_libctx(),
599 if (newcert && infile != NULL) {
600 BIO_printf(bio_err, "The -in option cannot be used with -new\n");
603 if (newcert && reqfile) {
605 "The -req option cannot be used with -new\n");
608 if (signkeyfile != NULL) {
609 signkey = load_key(signkeyfile, keyformat, 0, passin, e, "private key");
613 if (pubkeyfile != NULL) {
614 if ((pubkey = load_pubkey(pubkeyfile, keyformat, 0, NULL, e,
615 "explicitly set public key")) == NULL)
622 "The -new option requires a subject to be set using -subj\n");
625 if (signkeyfile == NULL && pubkeyfile == NULL) {
627 "The -new option without -signkey requires using -force_pubkey\n");
632 && (fsubj = parse_name(subj, chtype, multirdn, "subject")) == NULL)
635 if (CAkeyfile == NULL)
637 if (CAfile != NULL) {
638 if (signkeyfile != NULL) {
639 BIO_printf(bio_err, "Cannot use both -signkey and -CA option\n");
642 } else if (CAkeyfile != NULL) {
644 "Warning: ignoring -CAkey option since no -CA option is given\n");
647 if (extfile == NULL) {
650 "Warning: ignoring -extensions option without -extfile\n");
654 if ((extconf = app_load_config(extfile)) == NULL)
656 if (extsect == NULL) {
657 extsect = NCONF_get_string(extconf, "default", "extensions");
658 if (extsect == NULL) {
663 X509V3_set_ctx_test(&ctx2);
664 X509V3_set_nconf(&ctx2, extconf);
665 if (!X509V3_EXT_add_nconf(extconf, &ctx2, extsect, NULL)) {
667 "Error checking extension section %s\n", extsect);
673 req = load_csr(infile, informat, "certificate request input");
677 if ((pkey = X509_REQ_get0_pubkey(req)) == NULL) {
678 BIO_printf(bio_err, "Error unpacking public key from CSR\n");
681 i = do_X509_REQ_verify(req, pkey, vfyopts);
683 BIO_printf(bio_err, i < 0
684 ? "Error while verifying certificate request self-signature\n"
685 : "Certificate request self-signature did not match the contents\n");
688 BIO_printf(out, "Certificate request self-signature ok\n");
690 print_name(out, "subject=", X509_REQ_get_subject_name(req));
691 } else if (!x509toreq && ext_copy != EXT_COPY_UNSET) {
692 BIO_printf(bio_err, "Warning: ignoring -copy_extensions since neither -x509toreq nor -req is given\n");
695 if (reqfile || newcert) {
698 "Warning: ignoring -preserve_dates option with -req or -new\n");
700 if (signkeyfile == NULL && CAkeyfile == NULL) {
702 "We need a private key to sign with, use -signkey or -CAkey or -CA with private key\n");
705 if ((x = X509_new_ex(app_get0_libctx(), app_get0_propq())) == NULL)
708 sno = ASN1_INTEGER_new();
709 if (sno == NULL || !rand_serial(NULL, sno))
712 if (req != NULL && ext_copy != EXT_COPY_UNSET) {
713 if (clrext && ext_copy != EXT_COPY_NONE) {
714 BIO_printf(bio_err, "Must not use -clrext together with -copy_extensions\n");
716 } else if (!copy_extensions(x, req, ext_copy)) {
717 BIO_printf(bio_err, "Error copying extensions from request\n");
722 x = load_cert_pass(infile, 1, passin, "certificate");
726 if ((fsubj != NULL || req != NULL)
727 && !X509_set_subject_name(x, fsubj != NULL ? fsubj :
728 X509_REQ_get_subject_name(req)))
730 if ((pubkey != NULL || signkey != NULL || req != NULL)
731 && !X509_set_pubkey(x, pubkey != NULL ? pubkey :
732 signkey != NULL ? signkey :
733 X509_REQ_get0_pubkey(req)))
736 if (CAfile != NULL) {
737 xca = load_cert_pass(CAfile, 1, passin, "CA certificate");
742 out = bio_open_default(outfile, 'w', outformat);
746 if (!noout || text || next_serial)
747 OBJ_create("2.99999.3", "SET.ex3", "SET x509v3 extension 3");
748 /* TODO: why is this strange object created (and no error checked)? */
751 X509_alias_set1(x, (unsigned char *)alias, -1);
756 X509_reject_clear(x);
759 for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++)
760 X509_add1_trust_object(x, sk_ASN1_OBJECT_value(trust, i));
763 if (reject != NULL) {
764 for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++)
765 X509_add1_reject_object(x, sk_ASN1_OBJECT_value(reject, i));
768 if (clrext && ext_names != NULL)
769 BIO_printf(bio_err, "Warning: Ignoring -ext since -clrext is given\n");
770 for (i = X509_get_ext_count(x) - 1; i >= 0; i--) {
771 X509_EXTENSION *ex = X509_get_ext(x, i);
772 const char *sn = OBJ_nid2sn(OBJ_obj2nid(X509_EXTENSION_get_object(ex)));
774 if (clrext || (ext_names != NULL && strstr(ext_names, sn) == NULL))
775 X509_EXTENSION_free(X509_delete_ext(x, i));
779 if (CAfile != NULL) {
782 sno = x509_load_serial(CAfile, CAserial, CA_createserial);
787 if (sno != NULL && !X509_set_serialNumber(x, sno))
790 if (reqfile || newcert || signkey != NULL || CAfile != NULL) {
791 if (!preserve_dates && !set_cert_times(x, NULL, NULL, days))
793 if (!X509_set_issuer_name(x, X509_get_subject_name(issuer_cert)))
797 X509V3_set_ctx(&ext_ctx, issuer_cert, x, req, NULL, X509V3_CTX_REPLACE);
798 if (extconf != NULL) {
799 X509V3_set_nconf(&ext_ctx, extconf);
800 if (!X509V3_EXT_add_nconf(extconf, &ext_ctx, extsect, x)) {
802 "Error adding extensions from section %s\n", extsect);
807 /* At this point the contents of the certificate x have been finished. */
809 pkey = X509_get0_pubkey(x);
810 if ((print_pubkey != 0 || modulus != 0) && pkey == NULL) {
811 BIO_printf(bio_err, "Error getting public key\n");
815 if (x509toreq) { /* also works in conjunction with -req */
816 if (signkey == NULL) {
817 BIO_printf(bio_err, "Must specify request key using -signkey\n");
820 if (clrext && ext_copy != EXT_COPY_NONE) {
821 BIO_printf(bio_err, "Must not use -clrext together with -copy_extensions\n");
824 if ((rq = x509_to_req(x, signkey, digest, sigopts,
825 ext_copy, ext_names)) == NULL)
828 if (outformat == FORMAT_ASN1) {
829 X509_REQ_print_ex(out, rq, get_nameopt(), X509_FLAG_COMPAT);
830 i = i2d_X509_bio(out, x);
832 i = PEM_write_bio_X509_REQ(out, rq);
836 "Unable to write certificate request\n");
841 } else if (signkey != NULL) {
842 if (!do_X509_sign(x, signkey, digest, sigopts, &ext_ctx))
844 } else if (CAfile != NULL) {
845 if (!reqfile && !newcert) { /* certificate should be self-signed */
846 X509_STORE_CTX *xsc = X509_STORE_CTX_new();
848 if (xsc == NULL || !X509_STORE_CTX_init(xsc, ctx, x, NULL)) {
849 BIO_printf(bio_err, "Error initialising X509 store\n");
850 X509_STORE_CTX_free(xsc);
853 X509_STORE_CTX_set_cert(xsc, x);
854 X509_STORE_CTX_set_flags(xsc, X509_V_FLAG_CHECK_SS_SIGNATURE);
855 i = X509_verify_cert(xsc);
856 X509_STORE_CTX_free(xsc);
860 if ((CAkey = load_key(CAkeyfile, CAkeyformat,
861 0, passin, e, "CA private key")) == NULL)
863 if (!X509_check_private_key(xca, CAkey)) {
865 "CA certificate and CA private key do not match\n");
869 if (!do_X509_sign(x, CAkey, digest, sigopts, &ext_ctx))
873 const ASN1_BIT_STRING *signature;
875 X509_get0_signature(&signature, NULL, x);
876 corrupt_signature(signature);
879 /* Process print options in the given order, as indicated by index i */
880 for (i = 1; i <= num; i++) {
882 print_name(out, "issuer=", X509_get_issuer_name(x));
883 } else if (i == subject) {
884 print_name(out, "subject=", X509_get_subject_name(x));
885 } else if (i == serial) {
886 BIO_printf(out, "serial=");
887 i2a_ASN1_INTEGER(out, X509_get0_serialNumber(x));
888 BIO_printf(out, "\n");
889 } else if (i == next_serial) {
890 ASN1_INTEGER *ser = X509_get_serialNumber(x);
891 BIGNUM *bnser = ASN1_INTEGER_to_BN(ser, NULL);
895 if (!BN_add_word(bnser, 1))
897 ser = BN_to_ASN1_INTEGER(bnser, NULL);
901 i2a_ASN1_INTEGER(out, ser);
902 ASN1_INTEGER_free(ser);
904 } else if (i == email || i == ocsp_uri) {
905 STACK_OF(OPENSSL_STRING) *emlst =
906 i == email ? X509_get1_email(x) : X509_get1_ocsp(x);
908 for (j = 0; j < sk_OPENSSL_STRING_num(emlst); j++)
909 BIO_printf(out, "%s\n", sk_OPENSSL_STRING_value(emlst, j));
910 X509_email_free(emlst);
911 } else if (i == aliasout) {
912 unsigned char *alstr = X509_alias_get0(x, NULL);
915 BIO_printf(out, "%s\n", alstr);
917 BIO_puts(out, "<No Alias>\n");
918 } else if (i == subject_hash) {
919 BIO_printf(out, "%08lx\n", X509_subject_name_hash(x));
920 #ifndef OPENSSL_NO_MD5
921 } else if (i == subject_hash_old) {
922 BIO_printf(out, "%08lx\n", X509_subject_name_hash_old(x));
924 } else if (i == issuer_hash) {
925 BIO_printf(out, "%08lx\n", X509_issuer_name_hash(x));
926 #ifndef OPENSSL_NO_MD5
927 } else if (i == issuer_hash_old) {
928 BIO_printf(out, "%08lx\n", X509_issuer_name_hash_old(x));
930 } else if (i == pprint) {
931 BIO_printf(out, "Certificate purposes:\n");
932 for (j = 0; j < X509_PURPOSE_get_count(); j++)
933 purpose_print(out, x, X509_PURPOSE_get0(j));
934 } else if (i == modulus) {
935 BIO_printf(out, "Modulus=");
936 if (EVP_PKEY_is_a(pkey, "RSA")) {
939 /* Every RSA key has an 'n' */
940 EVP_PKEY_get_bn_param(pkey, "n", &n);
943 } else if (EVP_PKEY_is_a(pkey, "DSA")) {
946 /* Every DSA key has a 'pub' */
947 EVP_PKEY_get_bn_param(pkey, "pub", &dsapub);
948 BN_print(out, dsapub);
951 BIO_printf(out, "No modulus for this public key type");
953 BIO_printf(out, "\n");
954 } else if (i == print_pubkey) {
955 PEM_write_bio_PUBKEY(out, pkey);
956 } else if (i == text) {
957 X509_print_ex(out, x, get_nameopt(), certflag);
958 } else if (i == startdate) {
959 BIO_puts(out, "notBefore=");
960 ASN1_TIME_print(out, X509_get0_notBefore(x));
962 } else if (i == enddate) {
963 BIO_puts(out, "notAfter=");
964 ASN1_TIME_print(out, X509_get0_notAfter(x));
966 } else if (i == fingerprint) {
968 unsigned char md[EVP_MAX_MD_SIZE];
969 const EVP_MD *fdig = digest;
974 if (!X509_digest(x, fdig, md, &n)) {
975 BIO_printf(bio_err, "Out of memory\n");
978 BIO_printf(out, "%s Fingerprint=", OBJ_nid2sn(EVP_MD_type(fdig)));
979 for (j = 0; j < (int)n; j++) {
980 BIO_printf(out, "%02X%c", md[j], (j + 1 == (int)n) ? '\n' : ':');
982 } else if (i == ocspid) {
983 X509_ocspid_print(out, x);
984 } else if (i == ext) {
985 print_x509v3_exts(out, x, ext_names);
990 time_t tcheck = time(NULL) + checkoffset;
992 ret = X509_cmp_time(X509_get0_notAfter(x), &tcheck) < 0;
994 BIO_printf(out, "Certificate will expire\n");
996 BIO_printf(out, "Certificate will not expire\n");
1000 print_cert_checks(out, x, checkhost, checkemail, checkip);
1002 if (noout || nocert) {
1007 if (outformat == FORMAT_ASN1) {
1008 i = i2d_X509_bio(out, x);
1009 } else if (outformat == FORMAT_PEM) {
1011 i = PEM_write_bio_X509_AUX(out, x);
1013 i = PEM_write_bio_X509(out, x);
1015 BIO_printf(bio_err, "Bad output format specified for outfile\n");
1019 BIO_printf(bio_err, "Unable to write certificate\n");
1026 ERR_print_errors(bio_err);
1027 NCONF_free(extconf);
1029 X509_STORE_free(ctx);
1030 X509_NAME_free(fsubj);
1034 EVP_PKEY_free(signkey);
1035 EVP_PKEY_free(CAkey);
1036 EVP_PKEY_free(pubkey);
1037 sk_OPENSSL_STRING_free(sigopts);
1038 sk_OPENSSL_STRING_free(vfyopts);
1040 ASN1_INTEGER_free(sno);
1041 sk_ASN1_OBJECT_pop_free(trust, ASN1_OBJECT_free);
1042 sk_ASN1_OBJECT_pop_free(reject, ASN1_OBJECT_free);
1048 static ASN1_INTEGER *x509_load_serial(const char *CAfile,
1049 const char *serialfile, int create)
1052 ASN1_INTEGER *bs = NULL;
1053 BIGNUM *serial = NULL;
1055 if (serialfile == NULL) {
1056 const char *p = strrchr(CAfile, '.');
1057 size_t len = p != NULL ? (size_t)(p - CAfile) : strlen(CAfile);
1059 buf = app_malloc(len + sizeof(POSTFIX), "serial# buffer");
1060 memcpy(buf, CAfile, len);
1061 memcpy(buf + len, POSTFIX, sizeof(POSTFIX));
1065 serial = load_serial(serialfile, create, NULL);
1069 if (!BN_add_word(serial, 1)) {
1070 BIO_printf(bio_err, "Serial number increment failure\n");
1074 if (!save_serial(serialfile, NULL, serial, &bs))
1083 static int callb(int ok, X509_STORE_CTX *ctx)
1089 * It is ok to use a self-signed certificate. This case will catch both
1090 * the initial ok == 0 and the final ok == 1 calls to this function.
1092 err = X509_STORE_CTX_get_error(ctx);
1093 if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
1097 * BAD we should have gotten an error. Normally if everything worked
1098 * X509_STORE_CTX_get_error(ctx) will still be set to
1099 * DEPTH_ZERO_SELF_....
1103 "Error with certificate to be certified - should be self-signed\n");
1106 err_cert = X509_STORE_CTX_get_current_cert(ctx);
1107 print_name(bio_err, "subject=", X509_get_subject_name(err_cert));
1109 "Error with certificate - error %d at depth %d\n%s\n", err,
1110 X509_STORE_CTX_get_error_depth(ctx),
1111 X509_verify_cert_error_string(err));
1116 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt)
1120 id = X509_PURPOSE_get_id(pt);
1121 pname = X509_PURPOSE_get0_name(pt);
1122 for (i = 0; i < 2; i++) {
1123 idret = X509_check_purpose(cert, id, i);
1124 BIO_printf(bio, "%s%s : ", pname, i ? " CA" : "");
1126 BIO_printf(bio, "Yes\n");
1127 else if (idret == 0)
1128 BIO_printf(bio, "No\n");
1130 BIO_printf(bio, "Yes (WARNING code=%d)\n", idret);
1135 static int parse_ext_names(char *names, const char **result)
1138 int cnt = 0, len = 0;
1141 len = strlen(names);
1143 while (q - names <= len) {
1144 if (*q != ',' && *q != '\0') {
1150 if (result != NULL) {
1162 static int print_x509v3_exts(BIO *bio, X509 *x, const char *ext_names)
1164 const STACK_OF(X509_EXTENSION) *exts = NULL;
1165 STACK_OF(X509_EXTENSION) *exts2 = NULL;
1166 X509_EXTENSION *ext = NULL;
1168 int i, j, ret = 0, num, nn = 0;
1169 const char *sn, **names = NULL;
1170 char *tmp_ext_names = NULL;
1172 exts = X509_get0_extensions(x);
1173 if ((num = sk_X509_EXTENSION_num(exts)) <= 0) {
1174 BIO_printf(bio_err, "No extensions in certificate\n");
1179 /* parse comma separated ext name string */
1180 if ((tmp_ext_names = OPENSSL_strdup(ext_names)) == NULL)
1182 if ((nn = parse_ext_names(tmp_ext_names, NULL)) == 0) {
1183 BIO_printf(bio, "Invalid extension names: %s\n", ext_names);
1186 if ((names = OPENSSL_malloc(sizeof(char *) * nn)) == NULL)
1188 parse_ext_names(tmp_ext_names, names);
1190 for (i = 0; i < num; i++) {
1191 ext = sk_X509_EXTENSION_value(exts, i);
1193 /* check if this ext is what we want */
1194 obj = X509_EXTENSION_get_object(ext);
1195 sn = OBJ_nid2sn(OBJ_obj2nid(obj));
1196 if (sn == NULL || strcmp(sn, "UNDEF") == 0)
1199 for (j = 0; j < nn; j++) {
1200 if (strcmp(sn, names[j]) == 0) {
1201 /* push the extension into a new stack */
1203 && (exts2 = sk_X509_EXTENSION_new_null()) == NULL)
1205 if (!sk_X509_EXTENSION_push(exts2, ext))
1211 if (!sk_X509_EXTENSION_num(exts2)) {
1212 BIO_printf(bio, "No extensions matched with %s\n", ext_names);
1217 ret = X509V3_extensions_print(bio, NULL, exts2, 0, 0);
1219 sk_X509_EXTENSION_free(exts2);
1220 OPENSSL_free(names);
1221 OPENSSL_free(tmp_ext_names);