1 /* $OpenBSD: req.c,v 1.12 2015/10/17 15:00:11 doug Exp $ */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
59 /* Until the key-gen callbacks are modified to use newer prototypes, we allow
60 * deprecated functions for openssl-internal code */
61 #ifdef OPENSSL_NO_DEPRECATED
62 #undef OPENSSL_NO_DEPRECATED
73 #include <openssl/asn1.h>
74 #include <openssl/bio.h>
75 #include <openssl/bn.h>
76 #include <openssl/conf.h>
77 #include <openssl/err.h>
78 #include <openssl/evp.h>
79 #include <openssl/objects.h>
80 #include <openssl/pem.h>
81 #include <openssl/x509.h>
82 #include <openssl/x509v3.h>
84 #include <openssl/dsa.h>
86 #include <openssl/rsa.h>
90 #define BITS "default_bits"
91 #define KEYFILE "default_keyfile"
92 #define PROMPT "prompt"
93 #define DISTINGUISHED_NAME "distinguished_name"
94 #define ATTRIBUTES "attributes"
95 #define V3_EXTENSIONS "x509_extensions"
96 #define REQ_EXTENSIONS "req_extensions"
97 #define STRING_MASK "string_mask"
98 #define UTF8_IN "utf8"
100 #define DEFAULT_KEY_LENGTH 2048
101 #define MIN_KEY_LENGTH 384
104 /* -inform arg - input format - default PEM (DER or PEM)
105 * -outform arg - output format - default PEM
106 * -in arg - input file - default stdin
107 * -out arg - output file - default stdout
108 * -verify - check request signature
109 * -noout - don't print stuff out.
110 * -text - print out human readable text.
111 * -nodes - no des encryption
112 * -config file - Load configuration file.
113 * -key file - make a request using key in file (or use it for verification).
114 * -keyform arg - key file format.
115 * -newkey - make a key and a request.
116 * -modulus - print RSA modulus.
117 * -pubkey - output Public Key.
118 * -x509 - output a self signed X509 structure instead.
119 * -asn1-kludge - output new certificate request in a format that some CA's
120 * require. This format is wrong
123 static int make_REQ(X509_REQ * req, EVP_PKEY * pkey, char *dn, int multirdn,
124 int attribs, unsigned long chtype);
125 static int build_subject(X509_REQ * req, char *subj, unsigned long chtype,
127 static int prompt_info(X509_REQ * req,
128 STACK_OF(CONF_VALUE) * dn_sk, char *dn_sect,
129 STACK_OF(CONF_VALUE) * attr_sk, char *attr_sect, int attribs,
130 unsigned long chtype);
131 static int auto_info(X509_REQ * req, STACK_OF(CONF_VALUE) * sk,
132 STACK_OF(CONF_VALUE) * attr, int attribs,
133 unsigned long chtype);
134 static int add_attribute_object(X509_REQ * req, char *text, const char *def,
135 char *value, int nid, int n_min,
136 int n_max, unsigned long chtype);
137 static int add_DN_object(X509_NAME * n, char *text, const char *def, char *value,
138 int nid, int n_min, int n_max, unsigned long chtype, int mval);
139 static int genpkey_cb(EVP_PKEY_CTX * ctx);
140 static int req_check_len(int len, int n_min, int n_max);
141 static int check_end(const char *str, const char *end);
142 static EVP_PKEY_CTX *set_keygen_ctx(BIO * err, const char *gstr, int *pkey_type,
143 long *pkeylen, char **palgnam);
144 static CONF *req_conf = NULL;
145 static int batch = 0;
148 req_main(int argc, char **argv)
150 unsigned long nmflag = 0, reqflag = 0;
151 int ex = 1, x509 = 0, days = 30;
153 X509_REQ *req = NULL;
154 EVP_PKEY_CTX *genctx = NULL;
155 const char *keyalg = NULL;
156 char *keyalgstr = NULL;
157 STACK_OF(OPENSSL_STRING) * pkeyopts = NULL, *sigopts = NULL;
158 EVP_PKEY *pkey = NULL;
159 int i = 0, badops = 0, newreq = 0, verbose = 0, pkey_type = -1;
161 BIO *in = NULL, *out = NULL;
162 int informat, outformat, verify = 0, noout = 0, text = 0, keyform = FORMAT_PEM;
163 int nodes = 0, kludge = 0, newhdr = 0, subject = 0, pubkey = 0;
164 char *infile, *outfile, *prog, *keyfile = NULL, *template = NULL,
166 char *extensions = NULL;
167 char *req_exts = NULL;
168 const EVP_CIPHER *cipher = NULL;
169 ASN1_INTEGER *serial = NULL;
171 char *passargin = NULL, *passargout = NULL;
172 char *passin = NULL, *passout = NULL;
176 const EVP_MD *md_alg = NULL, *digest = NULL;
177 unsigned long chtype = MBSTRING_ASC;
179 if (single_execution) {
180 if (pledge("stdio rpath wpath cpath tty", NULL) == -1) {
187 cipher = EVP_aes_256_cbc();
188 digest = EVP_sha256();
192 informat = FORMAT_PEM;
193 outformat = FORMAT_PEM;
199 if (strcmp(*argv, "-inform") == 0) {
202 informat = str2fmt(*(++argv));
203 } else if (strcmp(*argv, "-outform") == 0) {
206 outformat = str2fmt(*(++argv));
208 else if (strcmp(*argv, "-key") == 0) {
212 } else if (strcmp(*argv, "-pubkey") == 0) {
214 } else if (strcmp(*argv, "-new") == 0) {
216 } else if (strcmp(*argv, "-config") == 0) {
219 template = *(++argv);
220 } else if (strcmp(*argv, "-keyform") == 0) {
223 keyform = str2fmt(*(++argv));
224 } else if (strcmp(*argv, "-in") == 0) {
228 } else if (strcmp(*argv, "-out") == 0) {
232 } else if (strcmp(*argv, "-keyout") == 0) {
236 } else if (strcmp(*argv, "-passin") == 0) {
239 passargin = *(++argv);
240 } else if (strcmp(*argv, "-passout") == 0) {
243 passargout = *(++argv);
244 } else if (strcmp(*argv, "-newkey") == 0) {
249 } else if (strcmp(*argv, "-pkeyopt") == 0) {
253 pkeyopts = sk_OPENSSL_STRING_new_null();
254 if (!pkeyopts || !sk_OPENSSL_STRING_push(pkeyopts, *(++argv)))
256 } else if (strcmp(*argv, "-sigopt") == 0) {
260 sigopts = sk_OPENSSL_STRING_new_null();
261 if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, *(++argv)))
263 } else if (strcmp(*argv, "-batch") == 0)
265 else if (strcmp(*argv, "-newhdr") == 0)
267 else if (strcmp(*argv, "-modulus") == 0)
269 else if (strcmp(*argv, "-verify") == 0)
271 else if (strcmp(*argv, "-nodes") == 0)
273 else if (strcmp(*argv, "-noout") == 0)
275 else if (strcmp(*argv, "-verbose") == 0)
277 else if (strcmp(*argv, "-utf8") == 0)
278 chtype = MBSTRING_UTF8;
279 else if (strcmp(*argv, "-nameopt") == 0) {
282 if (!set_name_ex(&nmflag, *(++argv)))
284 } else if (strcmp(*argv, "-reqopt") == 0) {
287 if (!set_cert_ex(&reqflag, *(++argv)))
289 } else if (strcmp(*argv, "-subject") == 0)
291 else if (strcmp(*argv, "-text") == 0)
293 else if (strcmp(*argv, "-x509") == 0)
295 else if (strcmp(*argv, "-asn1-kludge") == 0)
297 else if (strcmp(*argv, "-no-asn1-kludge") == 0)
299 else if (strcmp(*argv, "-subj") == 0) {
303 } else if (strcmp(*argv, "-multivalue-rdn") == 0)
305 else if (strcmp(*argv, "-days") == 0) {
310 days = strtonum(*(++argv), 1, INT_MAX, &errstr);
312 BIO_printf(bio_err, "bad -days %s, using 0: %s\n",
316 } else if (strcmp(*argv, "-set_serial") == 0) {
319 serial = s2i_ASN1_INTEGER(NULL, *(++argv));
322 } else if (strcmp(*argv, "-extensions") == 0) {
325 extensions = *(++argv);
326 } else if (strcmp(*argv, "-reqexts") == 0) {
329 req_exts = *(++argv);
330 } else if ((md_alg = EVP_get_digestbyname(&((*argv)[1]))) != NULL) {
334 BIO_printf(bio_err, "unknown option %s\n", *argv);
344 BIO_printf(bio_err, "%s [options] <infile >outfile\n", prog);
345 BIO_printf(bio_err, "where options are\n");
346 BIO_printf(bio_err, " -inform arg input format - DER or PEM\n");
347 BIO_printf(bio_err, " -outform arg output format - DER or PEM\n");
348 BIO_printf(bio_err, " -in arg input file\n");
349 BIO_printf(bio_err, " -out arg output file\n");
350 BIO_printf(bio_err, " -text text form of request\n");
351 BIO_printf(bio_err, " -pubkey output public key\n");
352 BIO_printf(bio_err, " -noout do not output REQ\n");
353 BIO_printf(bio_err, " -verify verify signature on REQ\n");
354 BIO_printf(bio_err, " -modulus RSA modulus\n");
355 BIO_printf(bio_err, " -nodes don't encrypt the output key\n");
356 BIO_printf(bio_err, " -subject output the request's subject\n");
357 BIO_printf(bio_err, " -passin private key password source\n");
358 BIO_printf(bio_err, " -key file use the private key contained in file\n");
359 BIO_printf(bio_err, " -keyform arg key file format\n");
360 BIO_printf(bio_err, " -keyout arg file to send the key to\n");
361 BIO_printf(bio_err, " -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
362 BIO_printf(bio_err, " -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
363 BIO_printf(bio_err, " -newkey ec:file generate a new EC key, parameters taken from CA in 'file'\n");
364 BIO_printf(bio_err, " -[digest] Digest to sign with (md5, sha1, md4)\n");
365 BIO_printf(bio_err, " -config file request template file.\n");
366 BIO_printf(bio_err, " -subj arg set or modify request subject\n");
367 BIO_printf(bio_err, " -multivalue-rdn enable support for multivalued RDNs\n");
368 BIO_printf(bio_err, " -new new request.\n");
369 BIO_printf(bio_err, " -batch do not ask anything during request generation\n");
370 BIO_printf(bio_err, " -x509 output a x509 structure instead of a cert. req.\n");
371 BIO_printf(bio_err, " -days number of days a certificate generated by -x509 is valid for.\n");
372 BIO_printf(bio_err, " -set_serial serial number to use for a certificate generated by -x509.\n");
373 BIO_printf(bio_err, " -newhdr output \"NEW\" in the header lines\n");
374 BIO_printf(bio_err, " -asn1-kludge Output the 'request' in a format that is wrong but some CA's\n");
375 BIO_printf(bio_err, " have been reported as requiring\n");
376 BIO_printf(bio_err, " -extensions .. specify certificate extension section (override value in config file)\n");
377 BIO_printf(bio_err, " -reqexts .. specify request extension section (override value in config file)\n");
378 BIO_printf(bio_err, " -utf8 input characters are UTF8 (default ASCII)\n");
379 BIO_printf(bio_err, " -nameopt arg - various certificate name options\n");
380 BIO_printf(bio_err, " -reqopt arg - various request text options\n\n");
384 if (!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
385 BIO_printf(bio_err, "Error getting passwords\n");
388 if (template != NULL) {
392 BIO_printf(bio_err, "Using configuration from %s\n", template);
393 req_conf = NCONF_new(NULL);
394 i = NCONF_load(req_conf, template, &errline);
396 BIO_printf(bio_err, "error on line %ld of %s\n", errline, template);
402 if (req_conf == NULL) {
403 BIO_printf(bio_err, "Unable to load config info from %s\n", default_config_file);
407 BIO_printf(bio_err, "Using configuration from %s\n",
408 default_config_file);
411 if (req_conf != NULL) {
412 if (!load_config(bio_err, req_conf))
414 p = NCONF_get_string(req_conf, NULL, "oid_file");
420 oid_bio = BIO_new_file(p, "r");
421 if (oid_bio == NULL) {
423 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
424 ERR_print_errors(bio_err);
427 OBJ_create_objects(oid_bio);
432 if (!add_oid_section(bio_err, req_conf))
435 if (md_alg == NULL) {
436 p = NCONF_get_string(req_conf, SECTION, "default_md");
440 if ((md_alg = EVP_get_digestbyname(p)) != NULL)
445 extensions = NCONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
450 /* Check syntax of file */
452 X509V3_set_ctx_test(&ctx);
453 X509V3_set_nconf(&ctx, req_conf);
454 if (!X509V3_EXT_add_nconf(req_conf, &ctx, extensions, NULL)) {
456 "Error Loading extension section %s\n", extensions);
461 passin = NCONF_get_string(req_conf, SECTION, "input_password");
466 passout = NCONF_get_string(req_conf, SECTION, "output_password");
470 p = NCONF_get_string(req_conf, SECTION, STRING_MASK);
474 if (p && !ASN1_STRING_set_default_mask_asc(p)) {
475 BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
478 if (chtype != MBSTRING_UTF8) {
479 p = NCONF_get_string(req_conf, SECTION, UTF8_IN);
482 else if (!strcmp(p, "yes"))
483 chtype = MBSTRING_UTF8;
486 req_exts = NCONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
491 /* Check syntax of file */
493 X509V3_set_ctx_test(&ctx);
494 X509V3_set_nconf(&ctx, req_conf);
495 if (!X509V3_EXT_add_nconf(req_conf, &ctx, req_exts, NULL)) {
497 "Error Loading request extension section %s\n",
502 in = BIO_new(BIO_s_file());
503 out = BIO_new(BIO_s_file());
504 if ((in == NULL) || (out == NULL))
507 if (keyfile != NULL) {
508 pkey = load_key(bio_err, keyfile, keyform, 0, passin,
512 * load_key() has already printed an appropriate
518 if (newreq && (pkey == NULL)) {
519 if (!NCONF_get_number(req_conf, SECTION, BITS, &newkey)) {
520 newkey = DEFAULT_KEY_LENGTH;
523 genctx = set_keygen_ctx(bio_err, keyalg, &pkey_type, &newkey,
528 if (newkey < MIN_KEY_LENGTH && (pkey_type == EVP_PKEY_RSA || pkey_type == EVP_PKEY_DSA)) {
529 BIO_printf(bio_err, "private key length is too short,\n");
530 BIO_printf(bio_err, "it needs to be at least %d bits, not %ld\n", MIN_KEY_LENGTH, newkey);
534 genctx = set_keygen_ctx(bio_err, NULL, &pkey_type, &newkey,
541 for (i = 0; i < sk_OPENSSL_STRING_num(pkeyopts); i++) {
542 genopt = sk_OPENSSL_STRING_value(pkeyopts, i);
543 if (pkey_ctrl_string(genctx, genopt) <= 0) {
545 "parameter error \"%s\"\n",
547 ERR_print_errors(bio_err);
552 BIO_printf(bio_err, "Generating a %ld bit %s private key\n",
555 EVP_PKEY_CTX_set_cb(genctx, genpkey_cb);
556 EVP_PKEY_CTX_set_app_data(genctx, bio_err);
558 if (EVP_PKEY_keygen(genctx, &pkey) <= 0) {
559 BIO_puts(bio_err, "Error Generating Key\n");
562 EVP_PKEY_CTX_free(genctx);
565 if (keyout == NULL) {
566 keyout = NCONF_get_string(req_conf, SECTION, KEYFILE);
570 if (keyout == NULL) {
571 BIO_printf(bio_err, "writing new private key to stdout\n");
572 BIO_set_fp(out, stdout, BIO_NOCLOSE);
574 BIO_printf(bio_err, "writing new private key to '%s'\n", keyout);
575 if (BIO_write_filename(out, keyout) <= 0) {
581 p = NCONF_get_string(req_conf, SECTION, "encrypt_rsa_key");
584 p = NCONF_get_string(req_conf, SECTION, "encrypt_key");
588 if ((p != NULL) && (strcmp(p, "no") == 0))
595 if (!PEM_write_bio_PrivateKey(out, pkey, cipher,
596 NULL, 0, NULL, passout)) {
597 if ((ERR_GET_REASON(ERR_peek_error()) ==
598 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3)) {
605 BIO_printf(bio_err, "-----\n");
609 * Since we are using a pre-existing certificate request, the
610 * kludge 'format' info should not be changed.
614 BIO_set_fp(in, stdin, BIO_NOCLOSE);
616 if (BIO_read_filename(in, infile) <= 0) {
622 if (informat == FORMAT_ASN1)
623 req = d2i_X509_REQ_bio(in, NULL);
624 else if (informat == FORMAT_PEM)
625 req = PEM_read_bio_X509_REQ(in, NULL, NULL, NULL);
627 BIO_printf(bio_err, "bad input format specified for X509 request\n");
631 BIO_printf(bio_err, "unable to load X509 request\n");
635 if (newreq || x509) {
637 BIO_printf(bio_err, "you need to specify a private key\n");
641 req = X509_REQ_new();
645 i = make_REQ(req, pkey, subj, multirdn, !x509, chtype);
646 subj = NULL; /* done processing '-subj' option */
647 if ((kludge > 0) && !sk_X509_ATTRIBUTE_num(req->req_info->attributes)) {
648 sk_X509_ATTRIBUTE_free(req->req_info->attributes);
649 req->req_info->attributes = NULL;
652 BIO_printf(bio_err, "problems making Certificate Request\n");
659 if ((x509ss = X509_new()) == NULL)
662 /* Set version to V3 */
663 if (extensions && !X509_set_version(x509ss, 2))
666 if (!X509_set_serialNumber(x509ss, serial))
669 if (!rand_serial(NULL,
670 X509_get_serialNumber(x509ss)))
674 if (!X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req)))
676 if (!X509_gmtime_adj(X509_get_notBefore(x509ss), 0))
678 if (!X509_time_adj_ex(X509_get_notAfter(x509ss), days, 0, NULL))
680 if (!X509_set_subject_name(x509ss, X509_REQ_get_subject_name(req)))
682 tmppkey = X509_REQ_get_pubkey(req);
683 if (!tmppkey || !X509_set_pubkey(x509ss, tmppkey))
685 EVP_PKEY_free(tmppkey);
687 /* Set up V3 context struct */
689 X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
690 X509V3_set_nconf(&ext_ctx, req_conf);
693 if (extensions && !X509V3_EXT_add_nconf(req_conf,
694 &ext_ctx, extensions, x509ss)) {
696 "Error Loading extension section %s\n",
700 i = do_X509_sign(bio_err, x509ss, pkey, digest, sigopts);
702 ERR_print_errors(bio_err);
708 /* Set up V3 context struct */
710 X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
711 X509V3_set_nconf(&ext_ctx, req_conf);
714 if (req_exts && !X509V3_EXT_REQ_add_nconf(req_conf,
715 &ext_ctx, req_exts, req)) {
717 "Error Loading extension section %s\n",
721 i = do_X509_REQ_sign(bio_err, req, pkey, digest, sigopts);
723 ERR_print_errors(bio_err);
729 BIO_printf(bio_err, "Cannot modifiy certificate subject\n");
734 BIO_printf(bio_err, "Modifying Request's Subject\n");
735 print_name(bio_err, "old subject=", X509_REQ_get_subject_name(req), nmflag);
737 if (build_subject(req, subj, chtype, multirdn) == 0) {
738 BIO_printf(bio_err, "ERROR: cannot modify subject\n");
742 req->req_info->enc.modified = 1;
745 print_name(bio_err, "new subject=", X509_REQ_get_subject_name(req), nmflag);
748 if (verify && !x509) {
752 pkey = X509_REQ_get_pubkey(req);
757 i = X509_REQ_verify(req, pkey);
765 BIO_printf(bio_err, "verify failure\n");
766 ERR_print_errors(bio_err);
767 } else /* if (i > 0) */
768 BIO_printf(bio_err, "verify OK\n");
770 if (noout && !text && !modulus && !subject && !pubkey) {
774 if (outfile == NULL) {
775 BIO_set_fp(out, stdout, BIO_NOCLOSE);
777 if ((keyout != NULL) && (strcmp(outfile, keyout) == 0))
778 i = (int) BIO_append_filename(out, outfile);
780 i = (int) BIO_write_filename(out, outfile);
789 tpubkey = X509_REQ_get_pubkey(req);
790 if (tpubkey == NULL) {
791 BIO_printf(bio_err, "Error getting public key\n");
792 ERR_print_errors(bio_err);
795 PEM_write_bio_PUBKEY(out, tpubkey);
796 EVP_PKEY_free(tpubkey);
800 X509_print_ex(out, x509ss, nmflag, reqflag);
802 X509_REQ_print_ex(out, req, nmflag, reqflag);
806 print_name(out, "subject=", X509_get_subject_name(x509ss), nmflag);
808 print_name(out, "subject=", X509_REQ_get_subject_name(req), nmflag);
814 tpubkey = X509_get_pubkey(x509ss);
816 tpubkey = X509_REQ_get_pubkey(req);
817 if (tpubkey == NULL) {
818 fprintf(stdout, "Modulus=unavailable\n");
821 fprintf(stdout, "Modulus=");
822 if (EVP_PKEY_base_id(tpubkey) == EVP_PKEY_RSA)
823 BN_print(out, tpubkey->pkey.rsa->n);
825 fprintf(stdout, "Wrong Algorithm type");
826 EVP_PKEY_free(tpubkey);
827 fprintf(stdout, "\n");
829 if (!noout && !x509) {
830 if (outformat == FORMAT_ASN1)
831 i = i2d_X509_REQ_bio(out, req);
832 else if (outformat == FORMAT_PEM) {
834 i = PEM_write_bio_X509_REQ_NEW(out, req);
836 i = PEM_write_bio_X509_REQ(out, req);
838 BIO_printf(bio_err, "bad output format specified for outfile\n");
842 BIO_printf(bio_err, "unable to write X509 request\n");
846 if (!noout && x509 && (x509ss != NULL)) {
847 if (outformat == FORMAT_ASN1)
848 i = i2d_X509_bio(out, x509ss);
849 else if (outformat == FORMAT_PEM)
850 i = PEM_write_bio_X509(out, x509ss);
852 BIO_printf(bio_err, "bad output format specified for outfile\n");
856 BIO_printf(bio_err, "unable to write X509 certificate\n");
863 ERR_print_errors(bio_err);
865 if ((req_conf != NULL) && (req_conf != config))
866 NCONF_free(req_conf);
871 EVP_PKEY_CTX_free(genctx);
873 sk_OPENSSL_STRING_free(pkeyopts);
875 sk_OPENSSL_STRING_free(sigopts);
879 ASN1_INTEGER_free(serial);
880 if (passargin && passin)
882 if (passargout && passout)
890 make_REQ(X509_REQ * req, EVP_PKEY * pkey, char *subj, int multirdn,
891 int attribs, unsigned long chtype)
895 STACK_OF(CONF_VALUE) * dn_sk, *attr_sk = NULL;
896 char *tmp, *dn_sect, *attr_sect;
898 tmp = NCONF_get_string(req_conf, SECTION, PROMPT);
901 if ((tmp != NULL) && !strcmp(tmp, "no"))
904 dn_sect = NCONF_get_string(req_conf, SECTION, DISTINGUISHED_NAME);
905 if (dn_sect == NULL) {
906 BIO_printf(bio_err, "unable to find '%s' in config\n",
910 dn_sk = NCONF_get_section(req_conf, dn_sect);
912 BIO_printf(bio_err, "unable to get '%s' section\n", dn_sect);
915 attr_sect = NCONF_get_string(req_conf, SECTION, ATTRIBUTES);
916 if (attr_sect == NULL) {
920 attr_sk = NCONF_get_section(req_conf, attr_sect);
921 if (attr_sk == NULL) {
922 BIO_printf(bio_err, "unable to get '%s' section\n", attr_sect);
927 /* setup version number */
928 if (!X509_REQ_set_version(req, 0L))
929 goto err; /* version 1 */
932 i = auto_info(req, dn_sk, attr_sk, attribs, chtype);
935 i = build_subject(req, subj, chtype, multirdn);
937 i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs, chtype);
942 if (!X509_REQ_set_pubkey(req, pkey))
951 * subject is expected to be in the format /type0=value0/type1=value1/type2=...
952 * where characters may be escaped by \
955 build_subject(X509_REQ * req, char *subject, unsigned long chtype, int multirdn)
959 if (!(n = parse_name(subject, chtype, multirdn)))
962 if (!X509_REQ_set_subject_name(req, n)) {
972 prompt_info(X509_REQ * req,
973 STACK_OF(CONF_VALUE) * dn_sk, char *dn_sect,
974 STACK_OF(CONF_VALUE) * attr_sk, char *attr_sect, int attribs,
975 unsigned long chtype)
986 subj = X509_REQ_get_subject_name(req);
989 BIO_printf(bio_err, "You are about to be asked to enter information that will be incorporated\n");
990 BIO_printf(bio_err, "into your certificate request.\n");
991 BIO_printf(bio_err, "What you are about to enter is what is called a Distinguished Name or a DN.\n");
992 BIO_printf(bio_err, "There are quite a few fields but you can leave some blank\n");
993 BIO_printf(bio_err, "For some fields there will be a default value,\n");
994 BIO_printf(bio_err, "If you enter '.', the field will be left blank.\n");
995 BIO_printf(bio_err, "-----\n");
997 if (sk_CONF_VALUE_num(dn_sk)) {
1002 if (sk_CONF_VALUE_num(dn_sk) <= i)
1005 v = sk_CONF_VALUE_value(dn_sk, i);
1008 if (!check_end(type, "_min") || !check_end(type, "_max") ||
1009 !check_end(type, "_default") ||
1010 !check_end(type, "_value"))
1013 * Skip past any leading X. X: X, etc to allow for
1014 * multiple instances
1016 for (p = v->name; *p; p++)
1017 if ((*p == ':') || (*p == ',') ||
1029 /* If OBJ not recognised ignore it */
1030 if ((nid = OBJ_txt2nid(type)) == NID_undef)
1032 ret = snprintf(buf, sizeof buf, "%s_default", v->name);
1033 if (ret == -1 || ret >= sizeof(buf)) {
1034 BIO_printf(bio_err, "Name '%s' too long for default\n",
1038 if ((def = NCONF_get_string(req_conf, dn_sect, buf)) == NULL) {
1042 ret = snprintf(buf, sizeof buf, "%s_value", v->name);
1043 if (ret == -1 || ret >= sizeof(buf)) {
1044 BIO_printf(bio_err, "Name '%s' too long for value\n",
1048 if ((value = NCONF_get_string(req_conf, dn_sect, buf)) == NULL) {
1052 ret = snprintf(buf, sizeof buf, "%s_min", v->name);
1053 if (ret == -1 || ret >= sizeof(buf)) {
1054 BIO_printf(bio_err, "Name '%s' too long for min\n",
1058 if (!NCONF_get_number(req_conf, dn_sect, buf, &n_min)) {
1062 ret = snprintf(buf, sizeof buf, "%s_max", v->name);
1063 if (ret == -1 || ret >= sizeof(buf)) {
1064 BIO_printf(bio_err, "Name '%s' too long for max\n",
1068 if (!NCONF_get_number(req_conf, dn_sect, buf, &n_max)) {
1072 if (!add_DN_object(subj, v->value, def, value, nid,
1073 n_min, n_max, chtype, mval))
1076 if (X509_NAME_entry_count(subj) == 0) {
1077 BIO_printf(bio_err, "error, no objects specified in config file\n");
1081 if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0) &&
1084 "\nPlease enter the following 'extra' attributes\n");
1086 "to be sent with your certificate request\n");
1092 if ((attr_sk == NULL) ||
1093 (sk_CONF_VALUE_num(attr_sk) <= i))
1096 v = sk_CONF_VALUE_value(attr_sk, i);
1098 if ((nid = OBJ_txt2nid(type)) == NID_undef)
1100 ret = snprintf(buf, sizeof buf, "%s_default", type);
1101 if (ret == -1 || ret >= sizeof(buf)) {
1102 BIO_printf(bio_err, "Name '%s' too long for default\n",
1106 if ((def = NCONF_get_string(req_conf, attr_sect, buf))
1111 ret = snprintf(buf, sizeof buf, "%s_value", type);
1112 if (ret == -1 || ret >= sizeof(buf)) {
1113 BIO_printf(bio_err, "Name '%s' too long for value\n",
1117 if ((value = NCONF_get_string(req_conf, attr_sect, buf))
1122 ret = snprintf(buf, sizeof buf, "%s_min", type);
1123 if (ret == -1 || ret >= sizeof(buf)) {
1124 BIO_printf(bio_err, "Name '%s' too long for min\n",
1128 if (!NCONF_get_number(req_conf, attr_sect, buf, &n_min)) {
1132 ret = snprintf(buf, sizeof buf, "%s_max", type);
1133 if (ret == -1 || ret >= sizeof(buf)) {
1134 BIO_printf(bio_err, "Name '%s' too long for max\n",
1138 if (!NCONF_get_number(req_conf, attr_sect, buf, &n_max)) {
1142 if (!add_attribute_object(req,
1143 v->value, def, value, nid, n_min, n_max, chtype))
1148 BIO_printf(bio_err, "No template, please set one up.\n");
1157 auto_info(X509_REQ * req, STACK_OF(CONF_VALUE) * dn_sk,
1158 STACK_OF(CONF_VALUE) * attr_sk, int attribs, unsigned long chtype)
1166 subj = X509_REQ_get_subject_name(req);
1168 for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++) {
1170 v = sk_CONF_VALUE_value(dn_sk, i);
1174 * Skip past any leading X. X: X, etc to allow for multiple
1177 for (p = v->name; *p; p++)
1178 if ((*p == ':') || (*p == ',') || (*p == '.')) {
1189 if (!X509_NAME_add_entry_by_txt(subj, type, chtype,
1190 (unsigned char *) v->value, -1, -1, mval))
1195 if (!X509_NAME_entry_count(subj)) {
1196 BIO_printf(bio_err, "error, no objects specified in config file\n");
1200 for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++) {
1201 v = sk_CONF_VALUE_value(attr_sk, i);
1202 if (!X509_REQ_add1_attr_by_txt(req, v->name, chtype,
1203 (unsigned char *) v->value, -1))
1212 add_DN_object(X509_NAME * n, char *text, const char *def, char *value,
1213 int nid, int n_min, int n_max, unsigned long chtype, int mval)
1219 BIO_printf(bio_err, "%s [%s]:", text, def);
1220 (void) BIO_flush(bio_err);
1221 if (value != NULL) {
1222 strlcpy(buf, value, sizeof buf);
1223 strlcat(buf, "\n", sizeof buf);
1224 BIO_printf(bio_err, "%s\n", value);
1228 if (!fgets(buf, sizeof buf, stdin))
1238 else if (buf[0] == '\n') {
1239 if ((def == NULL) || (def[0] == '\0'))
1241 strlcpy(buf, def, sizeof buf);
1242 strlcat(buf, "\n", sizeof buf);
1243 } else if ((buf[0] == '.') && (buf[1] == '\n'))
1247 if (buf[i - 1] != '\n') {
1248 BIO_printf(bio_err, "weird input :-(\n");
1252 if (!req_check_len(i, n_min, n_max))
1254 if (!X509_NAME_add_entry_by_NID(n, nid, chtype,
1255 (unsigned char *) buf, -1, -1, mval))
1263 add_attribute_object(X509_REQ * req, char *text, const char *def,
1264 char *value, int nid, int n_min,
1265 int n_max, unsigned long chtype)
1268 static char buf[1024];
1272 BIO_printf(bio_err, "%s [%s]:", text, def);
1273 (void) BIO_flush(bio_err);
1274 if (value != NULL) {
1275 strlcpy(buf, value, sizeof buf);
1276 strlcat(buf, "\n", sizeof buf);
1277 BIO_printf(bio_err, "%s\n", value);
1281 if (!fgets(buf, sizeof buf, stdin))
1291 else if (buf[0] == '\n') {
1292 if ((def == NULL) || (def[0] == '\0'))
1294 strlcpy(buf, def, sizeof buf);
1295 strlcat(buf, "\n", sizeof buf);
1296 } else if ((buf[0] == '.') && (buf[1] == '\n'))
1300 if (buf[i - 1] != '\n') {
1301 BIO_printf(bio_err, "weird input :-(\n");
1305 if (!req_check_len(i, n_min, n_max))
1308 if (!X509_REQ_add1_attr_by_NID(req, nid, chtype,
1309 (unsigned char *) buf, -1)) {
1310 BIO_printf(bio_err, "Error adding attribute\n");
1311 ERR_print_errors(bio_err);
1320 req_check_len(int len, int n_min, int n_max)
1322 if ((n_min > 0) && (len < n_min)) {
1323 BIO_printf(bio_err, "string is too short, it needs to be at least %d bytes long\n", n_min);
1326 if ((n_max >= 0) && (len > n_max)) {
1327 BIO_printf(bio_err, "string is too long, it needs to be less than %d bytes long\n", n_max);
1333 /* Check if the end of a string matches 'end' */
1335 check_end(const char *str, const char *end)
1343 tmp = str + slen - elen;
1344 return strcmp(tmp, end);
1347 static EVP_PKEY_CTX *
1348 set_keygen_ctx(BIO * err, const char *gstr, int *pkey_type,
1349 long *pkeylen, char **palgnam)
1351 EVP_PKEY_CTX *gctx = NULL;
1352 EVP_PKEY *param = NULL;
1355 const char *paramfile = NULL;
1359 *pkey_type = EVP_PKEY_RSA;
1361 } else if (gstr[0] >= '0' && gstr[0] <= '9') {
1362 *pkey_type = EVP_PKEY_RSA;
1363 keylen = strtonum(gstr, 0, LONG_MAX, &errstr);
1365 BIO_printf(err, "bad algorithm %s: %s\n", gstr, errstr);
1369 } else if (!strncmp(gstr, "param:", 6))
1370 paramfile = gstr + 6;
1372 const char *p = strchr(gstr, ':');
1374 const EVP_PKEY_ASN1_METHOD *ameth;
1381 ameth = EVP_PKEY_asn1_find_str(NULL, gstr, len);
1384 BIO_printf(err, "Unknown algorithm %.*s\n", len, gstr);
1387 EVP_PKEY_asn1_get0_info(NULL, pkey_type, NULL, NULL, NULL,
1389 if (*pkey_type == EVP_PKEY_RSA) {
1391 keylen = strtonum(p + 1, 0, LONG_MAX, &errstr);
1393 BIO_printf(err, "bad algorithm %s: %s\n",
1405 pbio = BIO_new_file(paramfile, "r");
1407 BIO_printf(err, "Can't open parameter file %s\n",
1411 param = PEM_read_bio_Parameters(pbio, NULL);
1415 (void) BIO_reset(pbio);
1416 x = PEM_read_bio_X509(pbio, NULL, NULL, NULL);
1418 param = X509_get_pubkey(x);
1425 BIO_printf(err, "Error reading parameter file %s\n",
1429 if (*pkey_type == -1)
1430 *pkey_type = EVP_PKEY_id(param);
1431 else if (*pkey_type != EVP_PKEY_base_id(param)) {
1432 BIO_printf(err, "Key Type does not match parameters\n");
1433 EVP_PKEY_free(param);
1438 const EVP_PKEY_ASN1_METHOD *ameth;
1440 ameth = EVP_PKEY_asn1_find(NULL, *pkey_type);
1442 BIO_puts(err, "Internal error: can't find key algorithm\n");
1445 EVP_PKEY_asn1_get0_info(NULL, NULL, NULL, NULL, &anam, ameth);
1446 *palgnam = strdup(anam);
1449 gctx = EVP_PKEY_CTX_new(param, NULL);
1450 *pkeylen = EVP_PKEY_bits(param);
1451 EVP_PKEY_free(param);
1453 gctx = EVP_PKEY_CTX_new_id(*pkey_type, NULL);
1456 BIO_puts(err, "Error allocating keygen context\n");
1457 ERR_print_errors(err);
1460 if (EVP_PKEY_keygen_init(gctx) <= 0) {
1461 BIO_puts(err, "Error initializing keygen context\n");
1462 ERR_print_errors(err);
1465 if ((*pkey_type == EVP_PKEY_RSA) && (keylen != -1)) {
1466 if (EVP_PKEY_CTX_set_rsa_keygen_bits(gctx, keylen) <= 0) {
1467 BIO_puts(err, "Error setting RSA keysize\n");
1468 ERR_print_errors(err);
1469 EVP_PKEY_CTX_free(gctx);
1478 genpkey_cb(EVP_PKEY_CTX * ctx)
1481 BIO *b = EVP_PKEY_CTX_get_app_data(ctx);
1483 p = EVP_PKEY_CTX_get_keygen_info(ctx, 0);
1492 BIO_write(b, &c, 1);
1493 (void) BIO_flush(b);
1498 do_sign_init(BIO * err, EVP_MD_CTX * ctx, EVP_PKEY * pkey,
1499 const EVP_MD * md, STACK_OF(OPENSSL_STRING) * sigopts)
1501 EVP_PKEY_CTX *pkctx = NULL;
1503 EVP_MD_CTX_init(ctx);
1504 if (!EVP_DigestSignInit(ctx, &pkctx, md, NULL, pkey))
1506 for (i = 0; i < sk_OPENSSL_STRING_num(sigopts); i++) {
1507 char *sigopt = sk_OPENSSL_STRING_value(sigopts, i);
1508 if (pkey_ctrl_string(pkctx, sigopt) <= 0) {
1509 BIO_printf(err, "parameter error \"%s\"\n", sigopt);
1510 ERR_print_errors(bio_err);
1518 do_X509_sign(BIO * err, X509 * x, EVP_PKEY * pkey, const EVP_MD * md,
1519 STACK_OF(OPENSSL_STRING) * sigopts)
1523 EVP_MD_CTX_init(&mctx);
1524 rv = do_sign_init(err, &mctx, pkey, md, sigopts);
1526 rv = X509_sign_ctx(x, &mctx);
1527 EVP_MD_CTX_cleanup(&mctx);
1528 return rv > 0 ? 1 : 0;
1533 do_X509_REQ_sign(BIO * err, X509_REQ * x, EVP_PKEY * pkey, const EVP_MD * md,
1534 STACK_OF(OPENSSL_STRING) * sigopts)
1538 EVP_MD_CTX_init(&mctx);
1539 rv = do_sign_init(err, &mctx, pkey, md, sigopts);
1541 rv = X509_REQ_sign_ctx(x, &mctx);
1542 EVP_MD_CTX_cleanup(&mctx);
1543 return rv > 0 ? 1 : 0;
1549 do_X509_CRL_sign(BIO * err, X509_CRL * x, EVP_PKEY * pkey, const EVP_MD * md,
1550 STACK_OF(OPENSSL_STRING) * sigopts)
1554 EVP_MD_CTX_init(&mctx);
1555 rv = do_sign_init(err, &mctx, pkey, md, sigopts);
1557 rv = X509_CRL_sign_ctx(x, &mctx);
1558 EVP_MD_CTX_cleanup(&mctx);
1559 return rv > 0 ? 1 : 0;