2 * Copyright 1995-2020 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 int sign(X509 *x, EVP_PKEY *pkey, X509 *issuer,
37 STACK_OF(OPENSSL_STRING) *sigopts,
39 const EVP_MD *digest, CONF *conf, const char *section,
41 static int x509_certify(X509_STORE *ctx, const char *CAfile,
43 X509 *x, X509 *xca, EVP_PKEY *pkey,
44 STACK_OF(OPENSSL_STRING) *sigopts,
45 const char *serialfile, int create,
46 int days, int clrext, CONF *conf, const char *section,
47 ASN1_INTEGER *sno, int preserve_dates);
48 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt);
49 static int print_x509v3_exts(BIO *bio, X509 *x, const char *ext_names);
51 typedef enum OPTION_choice {
52 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
53 OPT_INFORM, OPT_OUTFORM, OPT_KEYFORM, OPT_REQ, OPT_CAFORM,
54 OPT_CAKEYFORM, OPT_VFYOPT, OPT_SIGOPT, OPT_DAYS, OPT_PASSIN, OPT_EXTFILE,
55 OPT_EXTENSIONS, OPT_IN, OPT_OUT, OPT_SIGNKEY, OPT_CA, OPT_CAKEY,
56 OPT_CASERIAL, OPT_SET_SERIAL, OPT_NEW, OPT_FORCE_PUBKEY, OPT_SUBJ,
57 OPT_ADDTRUST, OPT_ADDREJECT, OPT_SETALIAS, OPT_CERTOPT, OPT_NAMEOPT,
58 OPT_EMAIL, OPT_OCSP_URI, OPT_SERIAL, OPT_NEXT_SERIAL,
59 OPT_MODULUS, OPT_PUBKEY, OPT_X509TOREQ, OPT_TEXT, OPT_HASH,
60 OPT_ISSUER_HASH, OPT_SUBJECT, OPT_ISSUER, OPT_FINGERPRINT, OPT_DATES,
61 OPT_PURPOSE, OPT_STARTDATE, OPT_ENDDATE, OPT_CHECKEND, OPT_CHECKHOST,
62 OPT_CHECKEMAIL, OPT_CHECKIP, OPT_NOOUT, OPT_TRUSTOUT, OPT_CLRTRUST,
63 OPT_CLRREJECT, OPT_ALIAS, OPT_CACREATESERIAL, OPT_CLREXT, OPT_OCSPID,
64 OPT_SUBJECT_HASH_OLD, OPT_ISSUER_HASH_OLD, OPT_COPY_EXTENSIONS,
65 OPT_BADSIG, OPT_MD, OPT_ENGINE, OPT_NOCERT, OPT_PRESERVE_DATES,
66 OPT_R_ENUM, OPT_PROV_ENUM, OPT_EXT
69 const OPTIONS x509_options[] = {
70 OPT_SECTION("General"),
71 {"help", OPT_HELP, '-', "Display this summary"},
74 "Certificate input (default stdin), or CSR input file with -req"},
75 {"passin", OPT_PASSIN, 's', "Private key and cert file pass-phrase source"},
76 {"new", OPT_NEW, '-', "Generate a certificate from scratch"},
77 {"x509toreq", OPT_X509TOREQ, '-',
78 "Output a certification request (rather than a certificate)"},
79 {"req", OPT_REQ, '-', "Input is a CSR file (rather than a certificate)"},
80 {"copy_extensions", OPT_COPY_EXTENSIONS, 's',
81 "copy extensions when converting from CSR to x509 or vice versa"},
82 {"inform", OPT_INFORM, 'f',
83 "CSR input file format (DER or PEM) - default PEM"},
84 {"vfyopt", OPT_VFYOPT, 's', "CSR verification parameter in n:v form"},
85 {"signkey", OPT_SIGNKEY, 's',
86 "Key used to self-sign certificate or cert request"},
87 {"keyform", OPT_KEYFORM, 'E',
88 "Key input format (ENGINE, other values ignored)"},
89 {"out", OPT_OUT, '>', "Output file - default stdout"},
90 {"outform", OPT_OUTFORM, 'f',
91 "Output format (DER or PEM) - default PEM"},
92 {"nocert", OPT_NOCERT, '-',
93 "No cert output (except for requested printing)"},
94 {"noout", OPT_NOOUT, '-', "No output (except for requested printing)"},
96 OPT_SECTION("Certificate printing"),
97 {"text", OPT_TEXT, '-', "Print the certificate in text form"},
98 {"certopt", OPT_CERTOPT, 's', "Various certificate text printing options"},
99 {"fingerprint", OPT_FINGERPRINT, '-', "Print the certificate fingerprint"},
100 {"alias", OPT_ALIAS, '-', "Print certificate alias"},
101 {"serial", OPT_SERIAL, '-', "Print serial number value"},
102 {"startdate", OPT_STARTDATE, '-', "Print the notBefore field"},
103 {"enddate", OPT_ENDDATE, '-', "Print the notAfter field"},
104 {"dates", OPT_DATES, '-', "Print both notBefore and notAfter fields"},
105 {"subject", OPT_SUBJECT, '-', "Print subject DN"},
106 {"issuer", OPT_ISSUER, '-', "Print issuer DN"},
107 {"nameopt", OPT_NAMEOPT, 's',
108 "Certificate subject/issuer name printing options"},
109 {"email", OPT_EMAIL, '-', "Print email address(es)"},
110 {"hash", OPT_HASH, '-', "Synonym for -subject_hash (for backward compat)"},
111 {"subject_hash", OPT_HASH, '-', "Print subject hash value"},
112 #ifndef OPENSSL_NO_MD5
113 {"subject_hash_old", OPT_SUBJECT_HASH_OLD, '-',
114 "Print old-style (MD5) subject hash value"},
116 {"issuer_hash", OPT_ISSUER_HASH, '-', "Print issuer hash value"},
117 #ifndef OPENSSL_NO_MD5
118 {"issuer_hash_old", OPT_ISSUER_HASH_OLD, '-',
119 "Print old-style (MD5) issuer hash value"},
121 {"ext", OPT_EXT, 's', "Print the specified X509V3 extensions"},
122 {"ocspid", OPT_OCSPID, '-',
123 "Print OCSP hash values for the subject name and public key"},
124 {"ocsp_uri", OPT_OCSP_URI, '-', "Print OCSP Responder URL(s)"},
125 {"purpose", OPT_PURPOSE, '-', "Print out certificate purposes"},
126 {"pubkey", OPT_PUBKEY, '-', "Print the public key in PEM format"},
127 {"modulus", OPT_MODULUS, '-', "Print the RSA key modulus"},
129 OPT_SECTION("Certificate checking"),
130 {"checkend", OPT_CHECKEND, 'M',
131 "Check whether cert expires in the next arg seconds"},
132 {OPT_MORE_STR, 1, 1, "Exit 1 (failure) if so, 0 if not"},
133 {"checkhost", OPT_CHECKHOST, 's', "Check certificate matches host"},
134 {"checkemail", OPT_CHECKEMAIL, 's', "Check certificate matches email"},
135 {"checkip", OPT_CHECKIP, 's', "Check certificate matches ipaddr"},
137 OPT_SECTION("Certificate output"),
138 {"set_serial", OPT_SET_SERIAL, 's',
139 "Serial number to use, overrides -CAserial"},
140 {"next_serial", OPT_NEXT_SERIAL, '-',
141 "Increment current certificate serial number"},
142 {"days", OPT_DAYS, 'n',
143 "Number of days until newly generated certificate expires - default 30"},
144 {"preserve_dates", OPT_PRESERVE_DATES, '-',
145 "Preserve existing validity dates"},
146 {"subj", OPT_SUBJ, 's', "Set or override certificate subject (and issuer)"},
147 {"force_pubkey", OPT_FORCE_PUBKEY, '<',
148 "Place the given key in new certificate"},
149 {"clrext", OPT_CLREXT, '-', "Clear all extensions when producing a certificate "},
150 {"extfile", OPT_EXTFILE, '<', "Config file with X509V3 extensions to add"},
151 {"extensions", OPT_EXTENSIONS, 's',
152 "Section of extfile to use - default: unnamed section"},
153 {"sigopt", OPT_SIGOPT, 's', "Signature parameter in n:v form"},
154 {"badsig", OPT_BADSIG, '-',
155 "Corrupt last byte of certificate signature (for test)"},
156 {"", OPT_MD, '-', "Any supported digest, used for signing and printing"},
158 OPT_SECTION("Micro-CA"),
160 "Use the given CA certificate, conflicts with -signkey"},
161 {"CAform", OPT_CAFORM, 'F', "CA cert format (PEM/DER/P12); has no effect"},
162 {"CAkey", OPT_CAKEY, 's', "The corresponding CA key; default is -CA arg"},
163 {"CAkeyform", OPT_CAKEYFORM, 'E',
164 "CA key format (ENGINE, other values ignored)"},
165 {"CAserial", OPT_CASERIAL, 's',
166 "File that keeps track of CA-generated serial number"},
167 {"CAcreateserial", OPT_CACREATESERIAL, '-',
168 "Create CA serial number file if it does not exist"},
170 OPT_SECTION("Certificate trust output"),
171 {"trustout", OPT_TRUSTOUT, '-', "Mark certificate PEM output as trusted"},
172 {"setalias", OPT_SETALIAS, 's', "Set certificate alias (nickname)"},
173 {"clrtrust", OPT_CLRTRUST, '-', "Clear all trusted purposes"},
174 {"addtrust", OPT_ADDTRUST, 's', "Trust certificate for a given purpose"},
175 {"clrreject", OPT_CLRREJECT, '-',
176 "Clears all the prohibited or rejected uses of the certificate"},
177 {"addreject", OPT_ADDREJECT, 's',
178 "Reject certificate for a given purpose"},
181 #ifndef OPENSSL_NO_ENGINE
182 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
188 int x509_main(int argc, char **argv)
190 ASN1_INTEGER *sno = NULL;
191 ASN1_OBJECT *objtmp = NULL;
193 CONF *extconf = NULL;
194 int ext_copy = EXT_COPY_UNSET;
195 EVP_PKEY *signkey = NULL, *CAkey = NULL, *pubkey = NULL;
198 X509_NAME *fsubj = NULL;
199 const unsigned long chtype = MBSTRING_ASC;
200 const int multirdn = 1;
201 STACK_OF(ASN1_OBJECT) *trust = NULL, *reject = NULL;
202 STACK_OF(OPENSSL_STRING) *sigopts = NULL, *vfyopts = NULL;
203 X509 *x = NULL, *xca = NULL;
204 X509_REQ *req = NULL, *rq = NULL;
205 X509_STORE *ctx = NULL;
206 const EVP_MD *digest = NULL;
207 char *CAkeyfile = NULL, *CAserial = NULL, *pubkeyfile = NULL, *alias = NULL;
208 char *checkhost = NULL, *checkemail = NULL, *checkip = NULL;
209 char *ext_names = NULL;
210 char *extsect = NULL, *extfile = NULL, *passin = NULL, *passinarg = NULL;
211 char *infile = NULL, *outfile = NULL, *signkeyfile = NULL, *CAfile = NULL;
213 int days = UNSET_DAYS; /* not explicitly set */
214 int x509toreq = 0, modulus = 0, print_pubkey = 0, pprint = 0;
215 int CAformat = FORMAT_PEM, CAkeyformat = FORMAT_PEM;
216 int fingerprint = 0, reqfile = 0, checkend = 0;
217 int informat = FORMAT_PEM, outformat = FORMAT_PEM, keyformat = FORMAT_PEM;
218 int next_serial = 0, subject_hash = 0, issuer_hash = 0, ocspid = 0;
219 int noout = 0, CA_createserial = 0, email = 0;
220 int ocsp_uri = 0, trustout = 0, clrtrust = 0, clrreject = 0, aliasout = 0;
221 int ret = 1, i, num = 0, badsig = 0, clrext = 0, nocert = 0;
222 int text = 0, serial = 0, subject = 0, issuer = 0, startdate = 0, ext = 0;
224 time_t checkoffset = 0;
225 unsigned long certflag = 0;
226 int preserve_dates = 0;
229 #ifndef OPENSSL_NO_MD5
230 int subject_hash_old = 0, issuer_hash_old = 0;
233 ctx = X509_STORE_new();
236 X509_STORE_set_verify_cb(ctx, callb);
238 prog = opt_init(argc, argv, x509_options);
239 while ((o = opt_next()) != OPT_EOF) {
244 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
247 opt_help(x509_options);
251 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &informat))
258 if (!opt_format(opt_arg(), OPT_FMT_ANY, &outformat))
262 if (!opt_format(opt_arg(), OPT_FMT_ANY, &keyformat))
266 if (!opt_format(opt_arg(), OPT_FMT_ANY, &CAformat))
270 if (!opt_format(opt_arg(), OPT_FMT_ANY, &CAkeyformat))
279 case OPT_COPY_EXTENSIONS:
280 if (!set_ext_copy(&ext_copy, opt_arg())) {
282 "Invalid extension copy option: %s\n", opt_arg());
289 sigopts = sk_OPENSSL_STRING_new_null();
290 if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, opt_arg()))
295 vfyopts = sk_OPENSSL_STRING_new_null();
296 if (!vfyopts || !sk_OPENSSL_STRING_push(vfyopts, opt_arg()))
300 days = atoi(opt_arg());
302 BIO_printf(bio_err, "%s: -days parameter arg must be >= -1\n",
308 passinarg = opt_arg();
318 if (!opt_provider(o))
325 signkeyfile = opt_arg();
331 CAkeyfile = opt_arg();
334 CAserial = opt_arg();
338 BIO_printf(bio_err, "Serial number supplied twice\n");
341 if ((sno = s2i_ASN1_INTEGER(NULL, opt_arg())) == NULL)
347 case OPT_FORCE_PUBKEY:
348 pubkeyfile = opt_arg();
354 if ((objtmp = OBJ_txt2obj(opt_arg(), 0)) == NULL) {
356 "%s: Invalid trust object value %s\n",
360 if (trust == NULL && (trust = sk_ASN1_OBJECT_new_null()) == NULL)
362 sk_ASN1_OBJECT_push(trust, objtmp);
367 if ((objtmp = OBJ_txt2obj(opt_arg(), 0)) == NULL) {
369 "%s: Invalid reject object value %s\n",
374 && (reject = sk_ASN1_OBJECT_new_null()) == NULL)
376 sk_ASN1_OBJECT_push(reject, objtmp);
385 if (!set_cert_ex(&certflag, opt_arg()))
389 if (!set_nameopt(opt_arg()))
393 e = setup_engine(opt_arg(), 0);
404 case OPT_NEXT_SERIAL:
411 print_pubkey = ++num;
425 case OPT_FINGERPRINT:
429 subject_hash = ++num;
431 case OPT_ISSUER_HASH:
448 ext_names = opt_arg();
465 case OPT_CACREATESERIAL:
466 CA_createserial = ++num;
477 #ifndef OPENSSL_NO_MD5
478 case OPT_SUBJECT_HASH_OLD:
479 subject_hash_old = ++num;
481 case OPT_ISSUER_HASH_OLD:
482 issuer_hash_old = ++num;
485 case OPT_SUBJECT_HASH_OLD:
486 case OPT_ISSUER_HASH_OLD:
497 if (!opt_imax(opt_arg(), &temp))
499 checkoffset = (time_t)temp;
500 if ((intmax_t)checkoffset != temp) {
501 BIO_printf(bio_err, "%s: Checkend time out of range %s\n",
508 checkhost = opt_arg();
511 checkemail = opt_arg();
516 case OPT_PRESERVE_DATES:
520 if (!opt_md(opt_unknown(), &digest))
525 /* No extra arguments. */
526 argc = opt_num_rest();
530 if (preserve_dates && days != UNSET_DAYS) {
531 BIO_printf(bio_err, "Cannot use -preserve_dates with -days option\n");
534 if (days == UNSET_DAYS)
537 if (!app_passwd(passinarg, NULL, &passin, NULL)) {
538 BIO_printf(bio_err, "Error getting password\n");
542 if (!X509_STORE_set_default_paths_ex(ctx, app_get0_libctx(),
546 if (newcert && infile != NULL) {
547 BIO_printf(bio_err, "The -in option cannot be used with -new\n");
550 if (newcert && reqfile) {
552 "The -req option cannot be used with -new\n");
555 if (signkeyfile != NULL) {
556 signkey = load_key(signkeyfile, keyformat, 0, passin, e, "private key");
560 if (pubkeyfile != NULL) {
561 if ((pubkey = load_pubkey(pubkeyfile, keyformat, 0, NULL, e,
562 "explicitly set public key")) == NULL)
569 "The -new option requires a subject to be set using -subj\n");
572 if (signkeyfile == NULL && pubkeyfile == NULL) {
574 "The -new option without -signkey requires using -force_pubkey\n");
579 && (fsubj = parse_name(subj, chtype, multirdn, "subject")) == NULL)
582 if (CAkeyfile == NULL)
584 if (CAfile != NULL) {
585 if (signkeyfile != NULL) {
586 BIO_printf(bio_err, "Cannot use both -signkey and -CA option\n");
589 } else if (CAkeyfile != NULL) {
591 "Warning: ignoring -CAkey option since no -CA option is given\n");
594 if (extfile == NULL) {
597 "Warning: ignoring -extensions option without -extfile\n");
601 if ((extconf = app_load_config(extfile)) == NULL)
603 if (extsect == NULL) {
604 extsect = NCONF_get_string(extconf, "default", "extensions");
605 if (extsect == NULL) {
610 X509V3_set_ctx_test(&ctx2);
611 X509V3_set_nconf(&ctx2, extconf);
612 if (!X509V3_EXT_add_nconf(extconf, &ctx2, extsect, NULL)) {
614 "Error checking extension section %s\n", extsect);
622 req = load_csr(infile, informat, "certificate request input");
626 if ((pkey = X509_REQ_get0_pubkey(req)) == NULL) {
627 BIO_printf(bio_err, "Error unpacking public key\n");
630 i = do_X509_REQ_verify(req, pkey, vfyopts);
633 "Error while verifying certificate request self-signature\n");
638 "Certificate request self-signature did not match the contents\n");
641 BIO_printf(bio_err, "Certificate request self-signature ok\n");
644 print_name(bio_err, "subject=", X509_REQ_get_subject_name(req),
646 } else if (!x509toreq && ext_copy != EXT_COPY_UNSET) {
647 BIO_printf(bio_err, "Ignoring -copy_extensions since neither -x509toreq nor -req is given\n");
650 if (reqfile || newcert) {
653 "Warning: ignoring -preserve_dates option with -req or -new\n");
655 if (signkeyfile == NULL && CAkeyfile == NULL) {
657 "We need a private key to sign with, use -signkey or -CAkey or -CA with private key\n");
660 if ((x = X509_new_ex(app_get0_libctx(), app_get0_propq())) == NULL)
663 sno = ASN1_INTEGER_new();
664 if (sno == NULL || !rand_serial(NULL, sno))
666 if (!X509_set_serialNumber(x, sno))
668 ASN1_INTEGER_free(sno);
670 } else if (!X509_set_serialNumber(x, sno)) {
674 if (ext_copy == EXT_COPY_UNSET) {
676 "Warning: ignoring any extensions in the request since -copy_extensions is not given\n");
677 } else if (clrext && ext_copy != EXT_COPY_NONE) {
678 BIO_printf(bio_err, "Must not use -clrext together with -copy_extensions\n");
680 } else if (!copy_extensions(x, req, ext_copy)) {
681 BIO_printf(bio_err, "Error copying extensions from request\n");
686 x = load_cert_pass(infile, 1, passin, "certificate");
690 if ((fsubj != NULL || req != NULL)
691 && !X509_set_subject_name(x, fsubj != NULL ? fsubj :
692 X509_REQ_get_subject_name(req)))
694 if ((pubkey != NULL || signkey != NULL || req != NULL)
695 && !X509_set_pubkey(x, pubkey != NULL ? pubkey :
696 signkey != NULL ? signkey :
697 X509_REQ_get0_pubkey(req)))
700 if (CAfile != NULL) {
701 xca = load_cert_pass(CAfile, 1, passin, "CA certificate");
706 out = bio_open_default(outfile, 'w', outformat);
710 if (!noout || text || next_serial)
711 OBJ_create("2.99999.3", "SET.ex3", "SET x509v3 extension 3");
712 /* TODO: why is this strange object created (and no error checked)? */
715 X509_alias_set1(x, (unsigned char *)alias, -1);
720 X509_reject_clear(x);
723 for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++) {
724 objtmp = sk_ASN1_OBJECT_value(trust, i);
725 X509_add1_trust_object(x, objtmp);
730 if (reject != NULL) {
731 for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++) {
732 objtmp = sk_ASN1_OBJECT_value(reject, i);
733 X509_add1_reject_object(x, objtmp);
738 if (x509toreq) { /* also works but makes little sense together with -req */
739 const STACK_OF(X509_EXTENSION) *exts;
741 if (signkey == NULL) {
742 BIO_printf(bio_err, "Must specify request key using -signkey\n");
747 "Warning: the -clrext option is ignored when producing a request\n");
749 if ((rq = X509_to_X509_REQ(x, NULL, NULL)) == NULL)
751 exts = X509_get0_extensions(x);
752 if (sk_X509_EXTENSION_num(exts /* may be NULL */) > 0) {
753 if (ext_copy == EXT_COPY_UNSET) {
755 "Warning: ignoring extensions in the certificate since -copy_extensions is not given\n");
756 } else if (ext_copy != EXT_COPY_NONE
757 && !X509_REQ_add_extensions(rq, exts)) {
759 "Error copying extensions from certificate\n");
763 if (!X509_REQ_sign(rq, signkey, digest))
766 if (outformat == FORMAT_ASN1) {
767 X509_REQ_print_ex(out, rq, get_nameopt(), X509_FLAG_COMPAT);
768 i = i2d_X509_bio(out, x);
770 i = PEM_write_bio_X509_REQ(out, rq);
774 "Unable to write certificate request\n");
779 } else if (signkey != NULL) {
780 if (!sign(x, signkey, x /* self-issuing */, sigopts, days, clrext,
781 digest, extconf, extsect, preserve_dates))
783 } else if (CAfile != NULL) {
784 if (!reqfile && !newcert) { /* certificate should be self-signed */
785 X509_STORE_CTX *xsc = X509_STORE_CTX_new();
787 if (xsc == NULL || !X509_STORE_CTX_init(xsc, ctx, x, NULL)) {
788 BIO_printf(bio_err, "Error initialising X509 store\n");
789 X509_STORE_CTX_free(xsc);
792 X509_STORE_CTX_set_cert(xsc, x);
793 X509_STORE_CTX_set_flags(xsc, X509_V_FLAG_CHECK_SS_SIGNATURE);
794 i = X509_verify_cert(xsc);
795 X509_STORE_CTX_free(xsc);
799 if ((CAkey = load_key(CAkeyfile, CAkeyformat,
800 0, passin, e, "CA private key")) == NULL)
802 if (!x509_certify(ctx, CAfile, digest, x, xca, CAkey, sigopts,
803 CAserial, CA_createserial, days, clrext,
804 extconf, extsect, sno, preserve_dates))
808 const ASN1_BIT_STRING *signature;
810 X509_get0_signature(&signature, NULL, x);
811 corrupt_signature(signature);
814 if (num) { /* TODO remove this needless guard and extra indentation below */
815 /* Process print options in the given order, as indicated by index i */
816 for (i = 1; i <= num; i++) {
818 print_name(out, "issuer=", X509_get_issuer_name(x),
820 } else if (subject == i) {
821 print_name(out, "subject=",
822 X509_get_subject_name(x), get_nameopt());
823 } else if (serial == i) {
824 BIO_printf(out, "serial=");
825 i2a_ASN1_INTEGER(out, X509_get0_serialNumber(x));
826 BIO_printf(out, "\n");
827 } else if (next_serial == i) {
828 ASN1_INTEGER *ser = X509_get_serialNumber(x);
829 BIGNUM *bnser = ASN1_INTEGER_to_BN(ser, NULL);
833 if (!BN_add_word(bnser, 1))
835 ser = BN_to_ASN1_INTEGER(bnser, NULL);
839 i2a_ASN1_INTEGER(out, ser);
840 ASN1_INTEGER_free(ser);
842 } else if (email == i || ocsp_uri == i) {
843 STACK_OF(OPENSSL_STRING) *emlst;
847 emlst = X509_get1_email(x);
849 emlst = X509_get1_ocsp(x);
850 for (j = 0; j < sk_OPENSSL_STRING_num(emlst); j++)
851 BIO_printf(out, "%s\n",
852 sk_OPENSSL_STRING_value(emlst, j));
853 X509_email_free(emlst);
854 } else if (aliasout == i) {
855 unsigned char *alstr;
857 alstr = X509_alias_get0(x, NULL);
859 BIO_printf(out, "%s\n", alstr);
861 BIO_puts(out, "<No Alias>\n");
862 } else if (subject_hash == i) {
863 BIO_printf(out, "%08lx\n", X509_subject_name_hash(x));
864 #ifndef OPENSSL_NO_MD5
865 } else if (subject_hash_old == i) {
866 BIO_printf(out, "%08lx\n", X509_subject_name_hash_old(x));
868 } else if (issuer_hash == i) {
869 BIO_printf(out, "%08lx\n", X509_issuer_name_hash(x));
870 #ifndef OPENSSL_NO_MD5
871 } else if (issuer_hash_old == i) {
872 BIO_printf(out, "%08lx\n", X509_issuer_name_hash_old(x));
874 } else if (pprint == i) {
878 BIO_printf(out, "Certificate purposes:\n");
879 for (j = 0; j < X509_PURPOSE_get_count(); j++) {
880 ptmp = X509_PURPOSE_get0(j);
881 purpose_print(out, x, ptmp);
883 } else if (modulus == i) {
886 pkey = X509_get0_pubkey(x);
889 "Modulus unavailable: cannot get key\n");
892 BIO_printf(out, "Modulus=");
893 if (EVP_PKEY_is_a(pkey, "RSA")) {
896 /* Every RSA key has an 'n' */
897 EVP_PKEY_get_bn_param(pkey, "n", &n);
900 } else if (EVP_PKEY_is_a(pkey, "DSA")) {
903 /* Every DSA key has an 'pub' */
904 EVP_PKEY_get_bn_param(pkey, "pub", &dsapub);
905 BN_print(out, dsapub);
908 BIO_printf(out, "No modulus for this public key type");
910 BIO_printf(out, "\n");
911 } else if (print_pubkey == i) {
914 pkey = X509_get0_pubkey(x);
916 BIO_printf(bio_err, "Error getting public key\n");
919 PEM_write_bio_PUBKEY(out, pkey);
920 } else if (text == i) {
921 X509_print_ex(out, x, get_nameopt(), certflag);
922 } else if (startdate == i) {
923 BIO_puts(out, "notBefore=");
924 ASN1_TIME_print(out, X509_get0_notBefore(x));
926 } else if (enddate == i) {
927 BIO_puts(out, "notAfter=");
928 ASN1_TIME_print(out, X509_get0_notAfter(x));
930 } else if (fingerprint == i) {
933 unsigned char md[EVP_MAX_MD_SIZE];
934 const EVP_MD *fdig = digest;
939 if (!X509_digest(x, fdig, md, &n)) {
940 BIO_printf(bio_err, "Out of memory\n");
943 BIO_printf(out, "%s Fingerprint=",
944 OBJ_nid2sn(EVP_MD_type(fdig)));
945 for (j = 0; j < (int)n; j++) {
946 BIO_printf(out, "%02X%c", md[j], (j + 1 == (int)n)
949 } else if (ocspid == i) {
950 X509_ocspid_print(out, x);
951 } else if (ext == i) {
952 print_x509v3_exts(out, x, ext_names);
958 time_t tcheck = time(NULL) + checkoffset;
960 if (X509_cmp_time(X509_get0_notAfter(x), &tcheck) < 0) {
961 BIO_printf(out, "Certificate will expire\n");
964 BIO_printf(out, "Certificate will not expire\n");
970 print_cert_checks(out, x, checkhost, checkemail, checkip);
972 if (noout || nocert) {
977 if (outformat == FORMAT_ASN1) {
978 i = i2d_X509_bio(out, x);
979 } else if (outformat == FORMAT_PEM) {
981 i = PEM_write_bio_X509_AUX(out, x);
983 i = PEM_write_bio_X509(out, x);
985 BIO_printf(bio_err, "Bad output format specified for outfile\n");
989 BIO_printf(bio_err, "Unable to write certificate\n");
996 ERR_print_errors(bio_err);
999 X509_STORE_free(ctx);
1000 X509_NAME_free(fsubj);
1004 EVP_PKEY_free(signkey);
1005 EVP_PKEY_free(CAkey);
1006 EVP_PKEY_free(pubkey);
1007 sk_OPENSSL_STRING_free(sigopts);
1008 sk_OPENSSL_STRING_free(vfyopts);
1010 ASN1_INTEGER_free(sno);
1011 sk_ASN1_OBJECT_pop_free(trust, ASN1_OBJECT_free);
1012 sk_ASN1_OBJECT_pop_free(reject, ASN1_OBJECT_free);
1013 ASN1_OBJECT_free(objtmp);
1019 static ASN1_INTEGER *x509_load_serial(const char *CAfile,
1020 const char *serialfile, int create)
1023 ASN1_INTEGER *bs = NULL;
1024 BIGNUM *serial = NULL;
1026 if (serialfile == NULL) {
1027 const char *p = strrchr(CAfile, '.');
1028 size_t len = p != NULL ? (size_t)(p - CAfile) : strlen(CAfile);
1030 buf = app_malloc(len + sizeof(POSTFIX), "serial# buffer");
1031 memcpy(buf, CAfile, len);
1032 memcpy(buf + len, POSTFIX, sizeof(POSTFIX));
1036 serial = load_serial(serialfile, create, NULL);
1040 if (!BN_add_word(serial, 1)) {
1041 BIO_printf(bio_err, "Serial number increment failure\n");
1045 if (!save_serial(serialfile, NULL, serial, &bs))
1054 static int x509_certify(X509_STORE *ctx, const char *CAfile,
1055 const EVP_MD *digest,
1056 X509 *x, X509 *xca, EVP_PKEY *pkey,
1057 STACK_OF(OPENSSL_STRING) *sigopts,
1058 const char *serialfile, int create,
1059 int days, int clrext, CONF *conf, const char *section,
1060 ASN1_INTEGER *sno, int preserve_dates)
1063 ASN1_INTEGER *bs = NULL;
1065 if (!X509_check_private_key(xca, pkey)) {
1067 "CA certificate and CA private key do not match\n");
1073 else if ((bs = x509_load_serial(CAfile, serialfile, create)) == NULL)
1075 if (!X509_set_serialNumber(x, bs))
1078 if (!sign(x, pkey, xca, sigopts, days, clrext, digest,
1079 conf, section, preserve_dates))
1085 ASN1_INTEGER_free(bs);
1089 static int callb(int ok, X509_STORE_CTX *ctx)
1095 * It is ok to use a self-signed certificate. This case will catch both
1096 * the initial ok == 0 and the final ok == 1 calls to this function.
1098 err = X509_STORE_CTX_get_error(ctx);
1099 if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
1103 * BAD we should have gotten an error. Normally if everything worked
1104 * X509_STORE_CTX_get_error(ctx) will still be set to
1105 * DEPTH_ZERO_SELF_....
1109 "Error with certificate to be certified - should be self-signed\n");
1112 err_cert = X509_STORE_CTX_get_current_cert(ctx);
1113 print_name(bio_err, NULL, X509_get_subject_name(err_cert), 0);
1115 "Error with certificate - error %d at depth %d\n%s\n", err,
1116 X509_STORE_CTX_get_error_depth(ctx),
1117 X509_verify_cert_error_string(err));
1122 static int sign(X509 *x, EVP_PKEY *pkey, X509 *issuer,
1123 STACK_OF(OPENSSL_STRING) *sigopts,
1124 int days, int clrext,
1125 const EVP_MD *digest, CONF *conf, const char *section,
1130 if (!X509_set_issuer_name(x, X509_get_subject_name(issuer)))
1133 if (!preserve_dates && !set_cert_times(x, NULL, NULL, days))
1137 while (X509_get_ext_count(x) > 0)
1138 X509_delete_ext(x, 0);
1141 X509V3_set_ctx(&ext_ctx, issuer, x, NULL, NULL, X509V3_CTX_REPLACE);
1143 /* prepare the correct AKID of self-issued, possibly self-signed cert */
1144 && !X509V3_set_issuer_pkey(&ext_ctx, pkey))
1148 X509V3_set_nconf(&ext_ctx, conf);
1149 if (!X509V3_EXT_add_nconf(conf, &ext_ctx, section, x)) {
1151 "Error adding extensions from section %s\n", section);
1155 return do_X509_sign(x, pkey, digest, sigopts, &ext_ctx);
1158 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt)
1162 id = X509_PURPOSE_get_id(pt);
1163 pname = X509_PURPOSE_get0_name(pt);
1164 for (i = 0; i < 2; i++) {
1165 idret = X509_check_purpose(cert, id, i);
1166 BIO_printf(bio, "%s%s : ", pname, i ? " CA" : "");
1168 BIO_printf(bio, "Yes\n");
1169 else if (idret == 0)
1170 BIO_printf(bio, "No\n");
1172 BIO_printf(bio, "Yes (WARNING code=%d)\n", idret);
1177 static int parse_ext_names(char *names, const char **result)
1180 int cnt = 0, len = 0;
1183 len = strlen(names);
1185 while (q - names <= len) {
1186 if (*q != ',' && *q != '\0') {
1192 if (result != NULL) {
1204 static int print_x509v3_exts(BIO *bio, X509 *x, const char *ext_names)
1206 const STACK_OF(X509_EXTENSION) *exts = NULL;
1207 STACK_OF(X509_EXTENSION) *exts2 = NULL;
1208 X509_EXTENSION *ext = NULL;
1210 int i, j, ret = 0, num, nn = 0;
1211 const char *sn, **names = NULL;
1212 char *tmp_ext_names = NULL;
1214 exts = X509_get0_extensions(x);
1215 if ((num = sk_X509_EXTENSION_num(exts)) <= 0) {
1216 BIO_printf(bio_err, "No extensions in certificate\n");
1221 /* parse comma separated ext name string */
1222 if ((tmp_ext_names = OPENSSL_strdup(ext_names)) == NULL)
1224 if ((nn = parse_ext_names(tmp_ext_names, NULL)) == 0) {
1225 BIO_printf(bio, "Invalid extension names: %s\n", ext_names);
1228 if ((names = OPENSSL_malloc(sizeof(char *) * nn)) == NULL)
1230 parse_ext_names(tmp_ext_names, names);
1232 for (i = 0; i < num; i++) {
1233 ext = sk_X509_EXTENSION_value(exts, i);
1235 /* check if this ext is what we want */
1236 obj = X509_EXTENSION_get_object(ext);
1237 sn = OBJ_nid2sn(OBJ_obj2nid(obj));
1238 if (sn == NULL || strcmp(sn, "UNDEF") == 0)
1241 for (j = 0; j < nn; j++) {
1242 if (strcmp(sn, names[j]) == 0) {
1243 /* push the extension into a new stack */
1245 && (exts2 = sk_X509_EXTENSION_new_null()) == NULL)
1247 if (!sk_X509_EXTENSION_push(exts2, ext))
1253 if (!sk_X509_EXTENSION_num(exts2)) {
1254 BIO_printf(bio, "No extensions matched with %s\n", ext_names);
1259 ret = X509V3_extensions_print(bio, NULL, exts2, 0, 0);
1261 sk_X509_EXTENSION_free(exts2);
1262 OPENSSL_free(names);
1263 OPENSSL_free(tmp_ext_names);