2 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL license (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
14 #include <openssl/bio.h>
15 #include <openssl/asn1.h>
16 #include <openssl/err.h>
17 #include <openssl/bn.h>
18 #include <openssl/evp.h>
19 #include <openssl/x509.h>
20 #include <openssl/x509v3.h>
21 #include <openssl/objects.h>
22 #include <openssl/pem.h>
23 #ifndef OPENSSL_NO_RSA
24 # include <openssl/rsa.h>
26 #ifndef OPENSSL_NO_DSA
27 # include <openssl/dsa.h>
31 #define POSTFIX ".srl"
34 static int callb(int ok, X509_STORE_CTX *ctx);
35 static int sign(X509 *x, EVP_PKEY *pkey, int days, int clrext,
36 const EVP_MD *digest, CONF *conf, char *section);
37 static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
38 X509 *x, X509 *xca, EVP_PKEY *pkey,
39 STACK_OF(OPENSSL_STRING) *sigopts, char *serial,
40 int create, int days, int clrext, CONF *conf,
41 char *section, ASN1_INTEGER *sno, int reqfile);
42 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt);
44 typedef enum OPTION_choice {
45 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
46 OPT_INFORM, OPT_OUTFORM, OPT_KEYFORM, OPT_REQ, OPT_CAFORM,
47 OPT_CAKEYFORM, OPT_SIGOPT, OPT_DAYS, OPT_PASSIN, OPT_EXTFILE,
48 OPT_EXTENSIONS, OPT_IN, OPT_OUT, OPT_SIGNKEY, OPT_CA,
49 OPT_CAKEY, OPT_CASERIAL, OPT_SET_SERIAL, OPT_FORCE_PUBKEY,
50 OPT_ADDTRUST, OPT_ADDREJECT, OPT_SETALIAS, OPT_CERTOPT, OPT_NAMEOPT,
51 OPT_C, OPT_EMAIL, OPT_OCSP_URI, OPT_SERIAL, OPT_NEXT_SERIAL,
52 OPT_MODULUS, OPT_PUBKEY, OPT_X509TOREQ, OPT_TEXT, OPT_HASH,
53 OPT_ISSUER_HASH, OPT_SUBJECT, OPT_ISSUER, OPT_FINGERPRINT, OPT_DATES,
54 OPT_PURPOSE, OPT_STARTDATE, OPT_ENDDATE, OPT_CHECKEND, OPT_CHECKHOST,
55 OPT_CHECKEMAIL, OPT_CHECKIP, OPT_NOOUT, OPT_TRUSTOUT, OPT_CLRTRUST,
56 OPT_CLRREJECT, OPT_ALIAS, OPT_CACREATESERIAL, OPT_CLREXT, OPT_OCSPID,
59 OPT_BADSIG, OPT_MD, OPT_ENGINE, OPT_NOCERT
62 OPTIONS x509_options[] = {
63 {"help", OPT_HELP, '-', "Display this summary"},
64 {"inform", OPT_INFORM, 'f',
65 "Input format - default PEM (one of DER, NET or PEM)"},
66 {"in", OPT_IN, '<', "Input file - default stdin"},
67 {"outform", OPT_OUTFORM, 'f',
68 "Output format - default PEM (one of DER, NET or PEM)"},
69 {"out", OPT_OUT, '>', "Output file - default stdout"},
70 {"keyform", OPT_KEYFORM, 'F', "Private key format - default PEM"},
71 {"passin", OPT_PASSIN, 's', "Private key password/pass-phrase source"},
72 {"serial", OPT_SERIAL, '-', "Print serial number value"},
73 {"subject_hash", OPT_HASH, '-', "Print subject hash value"},
74 {"issuer_hash", OPT_ISSUER_HASH, '-', "Print issuer hash value"},
75 {"hash", OPT_HASH, '-', "Synonym for -subject_hash"},
76 {"subject", OPT_SUBJECT, '-', "Print subject DN"},
77 {"issuer", OPT_ISSUER, '-', "Print issuer DN"},
78 {"email", OPT_EMAIL, '-', "Print email address(es)"},
79 {"startdate", OPT_STARTDATE, '-', "Set notBefore field"},
80 {"enddate", OPT_ENDDATE, '-', "Set notAfter field"},
81 {"purpose", OPT_PURPOSE, '-', "Print out certificate purposes"},
82 {"dates", OPT_DATES, '-', "Both Before and After dates"},
83 {"modulus", OPT_MODULUS, '-', "Print the RSA key modulus"},
84 {"pubkey", OPT_PUBKEY, '-', "Output the public key"},
85 {"fingerprint", OPT_FINGERPRINT, '-',
86 "Print the certificate fingerprint"},
87 {"alias", OPT_ALIAS, '-', "Output certificate alias"},
88 {"noout", OPT_NOOUT, '-', "No output, just status"},
89 {"nocert", OPT_NOCERT, '-', "No certificate output"},
90 {"ocspid", OPT_OCSPID, '-',
91 "Print OCSP hash values for the subject name and public key"},
92 {"ocsp_uri", OPT_OCSP_URI, '-', "Print OCSP Responder URL(s)"},
93 {"trustout", OPT_TRUSTOUT, '-', "Output a trusted certificate"},
94 {"clrtrust", OPT_CLRTRUST, '-', "Clear all trusted purposes"},
95 {"clrext", OPT_CLREXT, '-', "Clear all rejected purposes"},
96 {"addtrust", OPT_ADDTRUST, 's', "Trust certificate for a given purpose"},
97 {"addreject", OPT_ADDREJECT, 's',
98 "Reject certificate for a given purpose"},
99 {"setalias", OPT_SETALIAS, 's', "Set certificate alias"},
100 {"days", OPT_DAYS, 'n',
101 "How long till expiry of a signed certificate - def 30 days"},
102 {"checkend", OPT_CHECKEND, 'M',
103 "Check whether the cert expires in the next arg seconds"},
104 {OPT_MORE_STR, 1, 1, "Exit 1 if so, 0 if not"},
105 {"signkey", OPT_SIGNKEY, '<', "Self sign cert with arg"},
106 {"x509toreq", OPT_X509TOREQ, '-',
107 "Output a certification request object"},
108 {"req", OPT_REQ, '-', "Input is a certificate request, sign and output"},
109 {"CA", OPT_CA, '<', "Set the CA certificate, must be PEM format"},
110 {"CAkey", OPT_CAKEY, 's',
111 "The CA key, must be PEM format; if not in CAfile"},
112 {"CAcreateserial", OPT_CACREATESERIAL, '-',
113 "Create serial number file if it does not exist"},
114 {"CAserial", OPT_CASERIAL, 's', "Serial file"},
115 {"set_serial", OPT_SET_SERIAL, 's', "Serial number to use"},
116 {"text", OPT_TEXT, '-', "Print the certificate in text form"},
117 {"C", OPT_C, '-', "Print out C code forms"},
118 {"extfile", OPT_EXTFILE, '<', "File with X509V3 extensions to add"},
119 {"extensions", OPT_EXTENSIONS, 's', "Section from config file to use"},
120 {"nameopt", OPT_NAMEOPT, 's', "Various certificate name options"},
121 {"certopt", OPT_CERTOPT, 's', "Various certificate text options"},
122 {"checkhost", OPT_CHECKHOST, 's', "Check certificate matches host"},
123 {"checkemail", OPT_CHECKEMAIL, 's', "Check certificate matches email"},
124 {"checkip", OPT_CHECKIP, 's', "Check certificate matches ipaddr"},
125 {"CAform", OPT_CAFORM, 'F', "CA format - default PEM"},
126 {"CAkeyform", OPT_CAKEYFORM, 'F', "CA key format - default PEM"},
127 {"sigopt", OPT_SIGOPT, 's', "Signature parameter in n:v form"},
128 {"force_pubkey", OPT_FORCE_PUBKEY, '<'},
129 {"next_serial", OPT_NEXT_SERIAL, '-'},
130 {"clrreject", OPT_CLRREJECT, '-'},
131 {"badsig", OPT_BADSIG, '-', "Corrupt last byte of certificate signature (for test)"},
132 {"", OPT_MD, '-', "Any supported digest"},
133 #ifndef OPENSSL_NO_MD5
134 {"subject_hash_old", OPT_SUBJECT_HASH_OLD, '-',
135 "Print old-style (MD5) issuer hash value"},
136 {"issuer_hash_old", OPT_ISSUER_HASH_OLD, '-',
137 "Print old-style (MD5) subject hash value"},
139 #ifndef OPENSSL_NO_ENGINE
140 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
145 int x509_main(int argc, char **argv)
147 ASN1_INTEGER *sno = NULL;
148 ASN1_OBJECT *objtmp = NULL;
150 CONF *extconf = NULL;
151 EVP_PKEY *Upkey = NULL, *CApkey = NULL, *fkey = NULL;
152 STACK_OF(ASN1_OBJECT) *trust = NULL, *reject = NULL;
153 STACK_OF(OPENSSL_STRING) *sigopts = NULL;
154 X509 *x = NULL, *xca = NULL;
155 X509_REQ *req = NULL, *rq = NULL;
156 X509_STORE *ctx = NULL;
157 const EVP_MD *digest = NULL;
158 char *CAkeyfile = NULL, *CAserial = NULL, *fkeyfile = NULL, *alias = NULL;
159 char *checkhost = NULL, *checkemail = NULL, *checkip = NULL;
160 char *extsect = NULL, *extfile = NULL, *passin = NULL, *passinarg = NULL;
161 char *infile = NULL, *outfile = NULL, *keyfile = NULL, *CAfile = NULL;
162 char buf[256], *prog;
163 int x509req = 0, days = DEF_DAYS, modulus = 0, pubkey = 0, pprint = 0;
164 int C = 0, CAformat = FORMAT_PEM, CAkeyformat = FORMAT_PEM;
165 int fingerprint = 0, reqfile = 0, need_rand = 0, checkend = 0;
166 int informat = FORMAT_PEM, outformat = FORMAT_PEM, keyformat = FORMAT_PEM;
167 int next_serial = 0, subject_hash = 0, issuer_hash = 0, ocspid = 0;
168 int noout = 0, sign_flag = 0, CA_flag = 0, CA_createserial = 0, email = 0;
169 int ocsp_uri = 0, trustout = 0, clrtrust = 0, clrreject = 0, aliasout = 0;
170 int ret = 1, i, num = 0, badsig = 0, clrext = 0, nocert = 0;
171 int text = 0, serial = 0, subject = 0, issuer = 0, startdate = 0;
173 time_t checkoffset = 0;
174 unsigned long nmflag = 0, certflag = 0;
178 #ifndef OPENSSL_NO_MD5
179 int subject_hash_old = 0, issuer_hash_old = 0;
182 ctx = X509_STORE_new();
185 X509_STORE_set_verify_cb(ctx, callb);
187 prog = opt_init(argc, argv, x509_options);
188 while ((o = opt_next()) != OPT_EOF) {
193 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
196 opt_help(x509_options);
200 if (!opt_format(opt_arg(), OPT_FMT_ANY, &informat))
207 if (!opt_format(opt_arg(), OPT_FMT_ANY, &outformat))
211 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &keyformat))
215 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &CAformat))
219 if (!opt_format(opt_arg(), OPT_FMT_ANY, &CAkeyformat))
226 reqfile = need_rand = 1;
231 sigopts = sk_OPENSSL_STRING_new_null();
232 if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, opt_arg()))
236 days = atoi(opt_arg());
239 passinarg = opt_arg();
258 CAkeyfile = opt_arg();
261 CAserial = opt_arg();
264 if ((sno = s2i_ASN1_INTEGER(NULL, opt_arg())) == NULL)
267 case OPT_FORCE_PUBKEY:
268 fkeyfile = opt_arg();
271 if ((objtmp = OBJ_txt2obj(opt_arg(), 0)) == NULL) {
273 "%s: Invalid trust object value %s\n",
277 if (trust == NULL && (trust = sk_ASN1_OBJECT_new_null()) == NULL)
279 sk_ASN1_OBJECT_push(trust, objtmp);
284 if ((objtmp = OBJ_txt2obj(opt_arg(), 0)) == NULL) {
286 "%s: Invalid reject object value %s\n",
291 && (reject = sk_ASN1_OBJECT_new_null()) == NULL)
293 sk_ASN1_OBJECT_push(reject, objtmp);
302 if (!set_cert_ex(&certflag, opt_arg()))
307 if (!set_name_ex(&nmflag, opt_arg()))
311 e = setup_engine(opt_arg(), 0);
325 case OPT_NEXT_SERIAL:
346 case OPT_FINGERPRINT:
350 subject_hash = ++num;
352 case OPT_ISSUER_HASH:
382 case OPT_CACREATESERIAL:
383 CA_createserial = ++num;
394 #ifndef OPENSSL_NO_MD5
395 case OPT_SUBJECT_HASH_OLD:
396 subject_hash_old = ++num;
398 case OPT_ISSUER_HASH_OLD:
399 issuer_hash_old = ++num;
402 case OPT_SUBJECT_HASH_OLD:
403 case OPT_ISSUER_HASH_OLD:
414 if (!opt_imax(opt_arg(), &temp))
416 checkoffset = (time_t)temp;
417 if ((intmax_t)checkoffset != temp) {
418 BIO_printf(bio_err, "%s: checkend time out of range %s\n",
425 checkhost = opt_arg();
428 checkemail = opt_arg();
434 if (!opt_md(opt_unknown(), &digest))
438 argc = opt_num_rest();
441 BIO_printf(bio_err, "%s: Unknown parameter %s\n", prog, argv[0]);
446 nmflag = XN_FLAG_ONELINE;
448 out = bio_open_default(outfile, 'w', outformat);
453 app_RAND_load_file(NULL, 0);
455 if (!app_passwd(passinarg, NULL, &passin, NULL)) {
456 BIO_printf(bio_err, "Error getting password\n");
460 if (!X509_STORE_set_default_paths(ctx)) {
461 ERR_print_errors(bio_err);
466 fkey = load_pubkey(fkeyfile, keyformat, 0, NULL, e, "Forced key");
471 if ((CAkeyfile == NULL) && (CA_flag) && (CAformat == FORMAT_PEM)) {
473 } else if ((CA_flag) && (CAkeyfile == NULL)) {
475 "need to specify a CAkey if using the CA command\n");
481 if ((extconf = app_load_config(extfile)) == NULL)
484 extsect = NCONF_get_string(extconf, "default", "extensions");
490 X509V3_set_ctx_test(&ctx2);
491 X509V3_set_nconf(&ctx2, extconf);
492 if (!X509V3_EXT_add_nconf(extconf, &ctx2, extsect, NULL)) {
494 "Error Loading extension section %s\n", extsect);
495 ERR_print_errors(bio_err);
504 if (!sign_flag && !CA_flag) {
505 BIO_printf(bio_err, "We need a private key to sign with\n");
508 in = bio_open_default(infile, 'r', informat);
511 req = PEM_read_bio_X509_REQ(in, NULL, NULL, NULL);
515 ERR_print_errors(bio_err);
519 if ((pkey = X509_REQ_get0_pubkey(req)) == NULL) {
520 BIO_printf(bio_err, "error unpacking public key\n");
523 i = X509_REQ_verify(req, pkey);
525 BIO_printf(bio_err, "Signature verification error\n");
526 ERR_print_errors(bio_err);
531 "Signature did not match the certificate request\n");
534 BIO_printf(bio_err, "Signature ok\n");
536 print_name(bio_err, "subject=", X509_REQ_get_subject_name(req),
539 if ((x = X509_new()) == NULL)
543 sno = ASN1_INTEGER_new();
544 if (sno == NULL || !rand_serial(NULL, sno))
546 if (!X509_set_serialNumber(x, sno))
548 ASN1_INTEGER_free(sno);
550 } else if (!X509_set_serialNumber(x, sno))
553 if (!X509_set_issuer_name(x, X509_REQ_get_subject_name(req)))
555 if (!X509_set_subject_name(x, X509_REQ_get_subject_name(req)))
558 X509_gmtime_adj(X509_get_notBefore(x), 0);
559 X509_time_adj_ex(X509_get_notAfter(x), days, 0, NULL);
561 X509_set_pubkey(x, fkey);
563 pkey = X509_REQ_get0_pubkey(req);
564 X509_set_pubkey(x, pkey);
567 x = load_cert(infile, informat, "Certificate");
572 xca = load_cert(CAfile, CAformat, "CA Certificate");
577 if (!noout || text || next_serial) {
578 OBJ_create("2.99999.3", "SET.ex3", "SET x509v3 extension 3");
583 X509_alias_set1(x, (unsigned char *)alias, -1);
588 X509_reject_clear(x);
591 for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++) {
592 objtmp = sk_ASN1_OBJECT_value(trust, i);
593 X509_add1_trust_object(x, objtmp);
599 for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++) {
600 objtmp = sk_ASN1_OBJECT_value(reject, i);
601 X509_add1_reject_object(x, objtmp);
607 for (i = 1; i <= num; i++) {
609 print_name(out, "issuer=", X509_get_issuer_name(x), nmflag);
610 } else if (subject == i) {
611 print_name(out, "subject=",
612 X509_get_subject_name(x), nmflag);
613 } else if (serial == i) {
614 BIO_printf(out, "serial=");
615 i2a_ASN1_INTEGER(out, X509_get_serialNumber(x));
616 BIO_printf(out, "\n");
617 } else if (next_serial == i) {
620 ser = X509_get_serialNumber(x);
621 bnser = ASN1_INTEGER_to_BN(ser, NULL);
624 if (!BN_add_word(bnser, 1))
626 ser = BN_to_ASN1_INTEGER(bnser, NULL);
630 i2a_ASN1_INTEGER(out, ser);
631 ASN1_INTEGER_free(ser);
633 } else if ((email == i) || (ocsp_uri == i)) {
635 STACK_OF(OPENSSL_STRING) *emlst;
637 emlst = X509_get1_email(x);
639 emlst = X509_get1_ocsp(x);
640 for (j = 0; j < sk_OPENSSL_STRING_num(emlst); j++)
641 BIO_printf(out, "%s\n",
642 sk_OPENSSL_STRING_value(emlst, j));
643 X509_email_free(emlst);
644 } else if (aliasout == i) {
645 unsigned char *alstr;
646 alstr = X509_alias_get0(x, NULL);
648 BIO_printf(out, "%s\n", alstr);
650 BIO_puts(out, "<No Alias>\n");
651 } else if (subject_hash == i) {
652 BIO_printf(out, "%08lx\n", X509_subject_name_hash(x));
654 #ifndef OPENSSL_NO_MD5
655 else if (subject_hash_old == i) {
656 BIO_printf(out, "%08lx\n", X509_subject_name_hash_old(x));
659 else if (issuer_hash == i) {
660 BIO_printf(out, "%08lx\n", X509_issuer_name_hash(x));
662 #ifndef OPENSSL_NO_MD5
663 else if (issuer_hash_old == i) {
664 BIO_printf(out, "%08lx\n", X509_issuer_name_hash_old(x));
667 else if (pprint == i) {
670 BIO_printf(out, "Certificate purposes:\n");
671 for (j = 0; j < X509_PURPOSE_get_count(); j++) {
672 ptmp = X509_PURPOSE_get0(j);
673 purpose_print(out, x, ptmp);
675 } else if (modulus == i) {
678 pkey = X509_get0_pubkey(x);
680 BIO_printf(bio_err, "Modulus=unavailable\n");
681 ERR_print_errors(bio_err);
684 BIO_printf(out, "Modulus=");
685 #ifndef OPENSSL_NO_RSA
686 if (EVP_PKEY_id(pkey) == EVP_PKEY_RSA) {
688 RSA_get0_key(EVP_PKEY_get0_RSA(pkey), &n, NULL, NULL);
692 #ifndef OPENSSL_NO_DSA
693 if (EVP_PKEY_id(pkey) == EVP_PKEY_DSA) {
694 const BIGNUM *dsapub = NULL;
695 DSA_get0_key(EVP_PKEY_get0_DSA(pkey), &dsapub, NULL);
696 BN_print(out, dsapub);
700 BIO_printf(out, "Wrong Algorithm type");
702 BIO_printf(out, "\n");
703 } else if (pubkey == i) {
706 pkey = X509_get0_pubkey(x);
708 BIO_printf(bio_err, "Error getting public key\n");
709 ERR_print_errors(bio_err);
712 PEM_write_bio_PUBKEY(out, pkey);
718 X509_NAME_oneline(X509_get_subject_name(x), buf, sizeof buf);
719 BIO_printf(out, "/*\n"
720 " * Subject: %s\n", buf);
722 X509_NAME_oneline(X509_get_issuer_name(x), buf, sizeof buf);
723 BIO_printf(out, " * Issuer: %s\n"
726 len = i2d_X509(x, NULL);
727 m = app_malloc(len, "x509 name buffer");
728 d = (unsigned char *)m;
729 len = i2d_X509_NAME(X509_get_subject_name(x), &d);
730 print_array(out, "the_subject_name", len, (unsigned char *)m);
731 d = (unsigned char *)m;
732 len = i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x), &d);
733 print_array(out, "the_public_key", len, (unsigned char *)m);
734 d = (unsigned char *)m;
735 len = i2d_X509(x, &d);
736 print_array(out, "the_certificate", len, (unsigned char *)m);
738 } else if (text == i) {
739 X509_print_ex(out, x, nmflag, certflag);
740 } else if (startdate == i) {
741 BIO_puts(out, "notBefore=");
742 ASN1_TIME_print(out, X509_get_notBefore(x));
744 } else if (enddate == i) {
745 BIO_puts(out, "notAfter=");
746 ASN1_TIME_print(out, X509_get_notAfter(x));
748 } else if (fingerprint == i) {
751 unsigned char md[EVP_MAX_MD_SIZE];
752 const EVP_MD *fdig = digest;
757 if (!X509_digest(x, fdig, md, &n)) {
758 BIO_printf(bio_err, "out of memory\n");
761 BIO_printf(out, "%s Fingerprint=",
762 OBJ_nid2sn(EVP_MD_type(fdig)));
763 for (j = 0; j < (int)n; j++) {
764 BIO_printf(out, "%02X%c", md[j], (j + 1 == (int)n)
769 /* should be in the library */
770 else if ((sign_flag == i) && (x509req == 0)) {
771 BIO_printf(bio_err, "Getting Private key\n");
773 Upkey = load_key(keyfile, keyformat, 0,
774 passin, e, "Private key");
780 if (!sign(x, Upkey, days, clrext, digest, extconf, extsect))
782 } else if (CA_flag == i) {
783 BIO_printf(bio_err, "Getting CA Private Key\n");
784 if (CAkeyfile != NULL) {
785 CApkey = load_key(CAkeyfile, CAkeyformat,
786 0, passin, e, "CA Private Key");
792 if (!x509_certify(ctx, CAfile, digest, x, xca,
794 CAserial, CA_createserial, days, clrext,
795 extconf, extsect, sno, reqfile))
797 } else if (x509req == i) {
800 BIO_printf(bio_err, "Getting request Private Key\n");
801 if (keyfile == NULL) {
802 BIO_printf(bio_err, "no request key file specified\n");
805 pk = load_key(keyfile, keyformat, 0,
806 passin, e, "request key");
811 BIO_printf(bio_err, "Generating certificate request\n");
813 rq = X509_to_X509_REQ(x, pk, digest);
816 ERR_print_errors(bio_err);
820 X509_REQ_print(out, rq);
821 PEM_write_bio_X509_REQ(out, rq);
824 } else if (ocspid == i) {
825 X509_ocspid_print(out, x);
831 time_t tcheck = time(NULL) + checkoffset;
833 if (X509_cmp_time(X509_get_notAfter(x), &tcheck) < 0) {
834 BIO_printf(out, "Certificate will expire\n");
837 BIO_printf(out, "Certificate will not expire\n");
843 print_cert_checks(out, x, checkhost, checkemail, checkip);
845 if (noout || nocert) {
851 ASN1_BIT_STRING *signature;
853 X509_get0_signature(&signature, NULL, x);
854 s = ASN1_STRING_data(signature);
855 s[ASN1_STRING_length(signature) - 1] ^= 0x1;
858 if (outformat == FORMAT_ASN1)
859 i = i2d_X509_bio(out, x);
860 else if (outformat == FORMAT_PEM) {
862 i = PEM_write_bio_X509_AUX(out, x);
864 i = PEM_write_bio_X509(out, x);
866 BIO_printf(bio_err, "bad output format specified for outfile\n");
870 BIO_printf(bio_err, "unable to write certificate\n");
871 ERR_print_errors(bio_err);
877 app_RAND_write_file(NULL);
880 X509_STORE_free(ctx);
884 EVP_PKEY_free(Upkey);
885 EVP_PKEY_free(CApkey);
887 sk_OPENSSL_STRING_free(sigopts);
889 ASN1_INTEGER_free(sno);
890 sk_ASN1_OBJECT_pop_free(trust, ASN1_OBJECT_free);
891 sk_ASN1_OBJECT_pop_free(reject, ASN1_OBJECT_free);
892 ASN1_OBJECT_free(objtmp);
893 OPENSSL_free(passin);
897 static ASN1_INTEGER *x509_load_serial(char *CAfile, char *serialfile,
900 char *buf = NULL, *p;
901 ASN1_INTEGER *bs = NULL;
902 BIGNUM *serial = NULL;
905 len = ((serialfile == NULL)
906 ? (strlen(CAfile) + strlen(POSTFIX) + 1)
907 : (strlen(serialfile))) + 1;
908 buf = app_malloc(len, "serial# buffer");
909 if (serialfile == NULL) {
910 OPENSSL_strlcpy(buf, CAfile, len);
911 for (p = buf; *p; p++)
916 OPENSSL_strlcat(buf, POSTFIX, len);
918 OPENSSL_strlcpy(buf, serialfile, len);
920 serial = load_serial(buf, create, NULL);
924 if (!BN_add_word(serial, 1)) {
925 BIO_printf(bio_err, "add_word failure\n");
929 if (!save_serial(buf, NULL, serial, &bs))
938 static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
939 X509 *x, X509 *xca, EVP_PKEY *pkey,
940 STACK_OF(OPENSSL_STRING) *sigopts,
941 char *serialfile, int create,
942 int days, int clrext, CONF *conf, char *section,
943 ASN1_INTEGER *sno, int reqfile)
946 ASN1_INTEGER *bs = NULL;
947 X509_STORE_CTX *xsc = NULL;
950 upkey = X509_get0_pubkey(xca);
952 BIO_printf(bio_err, "Error obtaining CA X509 public key\n");
955 EVP_PKEY_copy_parameters(upkey, pkey);
957 xsc = X509_STORE_CTX_new();
958 if (xsc == NULL || !X509_STORE_CTX_init(xsc, ctx, x, NULL)) {
959 BIO_printf(bio_err, "Error initialising X509 store\n");
964 else if ((bs = x509_load_serial(CAfile, serialfile, create)) == NULL)
968 * NOTE: this certificate can/should be self signed, unless it was a
969 * certificate request in which case it is not.
971 X509_STORE_CTX_set_cert(xsc, x);
972 X509_STORE_CTX_set_flags(xsc, X509_V_FLAG_CHECK_SS_SIGNATURE);
973 if (!reqfile && X509_verify_cert(xsc) <= 0)
976 if (!X509_check_private_key(xca, pkey)) {
978 "CA certificate and CA private key do not match\n");
982 if (!X509_set_issuer_name(x, X509_get_subject_name(xca)))
984 if (!X509_set_serialNumber(x, bs))
987 if (X509_gmtime_adj(X509_get_notBefore(x), 0L) == NULL)
990 /* hardwired expired */
991 if (X509_time_adj_ex(X509_get_notAfter(x), days, 0, NULL) == NULL)
995 while (X509_get_ext_count(x) > 0)
996 X509_delete_ext(x, 0);
1001 X509_set_version(x, 2); /* version 3 certificate */
1002 X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);
1003 X509V3_set_nconf(&ctx2, conf);
1004 if (!X509V3_EXT_add_nconf(conf, &ctx2, section, x))
1008 if (!do_X509_sign(x, pkey, digest, sigopts))
1012 X509_STORE_CTX_free(xsc);
1014 ERR_print_errors(bio_err);
1016 ASN1_INTEGER_free(bs);
1020 static int callb(int ok, X509_STORE_CTX *ctx)
1026 * it is ok to use a self signed certificate This case will catch both
1027 * the initial ok == 0 and the final ok == 1 calls to this function
1029 err = X509_STORE_CTX_get_error(ctx);
1030 if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
1034 * BAD we should have gotten an error. Normally if everything worked
1035 * X509_STORE_CTX_get_error(ctx) will still be set to
1036 * DEPTH_ZERO_SELF_....
1040 "error with certificate to be certified - should be self signed\n");
1043 err_cert = X509_STORE_CTX_get_current_cert(ctx);
1044 print_name(bio_err, NULL, X509_get_subject_name(err_cert), 0);
1046 "error with certificate - error %d at depth %d\n%s\n", err,
1047 X509_STORE_CTX_get_error_depth(ctx),
1048 X509_verify_cert_error_string(err));
1054 static int sign(X509 *x, EVP_PKEY *pkey, int days, int clrext,
1055 const EVP_MD *digest, CONF *conf, char *section)
1058 if (!X509_set_issuer_name(x, X509_get_subject_name(x)))
1060 if (X509_gmtime_adj(X509_get_notBefore(x), 0) == NULL)
1063 if (X509_time_adj_ex(X509_get_notAfter(x), days, 0, NULL) == NULL)
1066 if (!X509_set_pubkey(x, pkey))
1069 while (X509_get_ext_count(x) > 0)
1070 X509_delete_ext(x, 0);
1074 X509_set_version(x, 2); /* version 3 certificate */
1075 X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0);
1076 X509V3_set_nconf(&ctx, conf);
1077 if (!X509V3_EXT_add_nconf(conf, &ctx, section, x))
1080 if (!X509_sign(x, pkey, digest))
1084 ERR_print_errors(bio_err);
1088 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt)
1092 id = X509_PURPOSE_get_id(pt);
1093 pname = X509_PURPOSE_get0_name(pt);
1094 for (i = 0; i < 2; i++) {
1095 idret = X509_check_purpose(cert, id, i);
1096 BIO_printf(bio, "%s%s : ", pname, i ? " CA" : "");
1098 BIO_printf(bio, "Yes\n");
1099 else if (idret == 0)
1100 BIO_printf(bio, "No\n");
1102 BIO_printf(bio, "Yes (WARNING code=%d)\n", idret);