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.]
60 * Until the key-gen callbacks are modified to use newer prototypes, we allow
61 * deprecated functions for openssl-internal code
63 #ifdef OPENSSL_NO_DEPRECATED
64 # undef OPENSSL_NO_DEPRECATED
71 #ifdef OPENSSL_NO_STDIO
75 #include <openssl/bio.h>
76 #include <openssl/evp.h>
77 #include <openssl/conf.h>
78 #include <openssl/err.h>
79 #include <openssl/asn1.h>
80 #include <openssl/x509.h>
81 #include <openssl/x509v3.h>
82 #include <openssl/objects.h>
83 #include <openssl/pem.h>
84 #include <openssl/bn.h>
85 #ifndef OPENSSL_NO_RSA
86 # include <openssl/rsa.h>
88 #ifndef OPENSSL_NO_DSA
89 # include <openssl/dsa.h>
94 #define BITS "default_bits"
95 #define KEYFILE "default_keyfile"
96 #define PROMPT "prompt"
97 #define DISTINGUISHED_NAME "distinguished_name"
98 #define ATTRIBUTES "attributes"
99 #define V3_EXTENSIONS "x509_extensions"
100 #define REQ_EXTENSIONS "req_extensions"
101 #define STRING_MASK "string_mask"
102 #define UTF8_IN "utf8"
104 #define DEFAULT_KEY_LENGTH 2048
105 #define MIN_KEY_LENGTH 512
108 #define PROG req_main
111 * -inform arg - input format - default PEM (DER or PEM)
112 * -outform arg - output format - default PEM
113 * -in arg - input file - default stdin
114 * -out arg - output file - default stdout
115 * -verify - check request signature
116 * -noout - don't print stuff out.
117 * -text - print out human readable text.
118 * -nodes - no des encryption
119 * -config file - Load configuration file.
120 * -key file - make a request using key in file (or use it for verification).
121 * -keyform arg - key file format.
122 * -rand file(s) - load the file(s) into the PRNG.
123 * -newkey - make a key and a request.
124 * -modulus - print RSA modulus.
125 * -pubkey - output Public Key.
126 * -x509 - output a self signed X509 structure instead.
127 * -asn1-kludge - output new certificate request in a format that some CA's
128 * require. This format is wrong
131 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *dn, int mutlirdn,
132 int attribs, unsigned long chtype);
133 static int build_subject(X509_REQ *req, char *subj, unsigned long chtype,
135 static int prompt_info(X509_REQ *req,
136 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
137 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect,
138 int attribs, unsigned long chtype);
139 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *sk,
140 STACK_OF(CONF_VALUE) *attr, int attribs,
141 unsigned long chtype);
142 static int add_attribute_object(X509_REQ *req, char *text, const char *def,
143 char *value, int nid, int n_min, int n_max,
144 unsigned long chtype);
145 static int add_DN_object(X509_NAME *n, char *text, const char *def,
146 char *value, int nid, int n_min, int n_max,
147 unsigned long chtype, int mval);
148 static int genpkey_cb(EVP_PKEY_CTX *ctx);
149 static int req_check_len(int len, int n_min, int n_max);
150 static int check_end(const char *str, const char *end);
151 static EVP_PKEY_CTX *set_keygen_ctx(BIO *err, const char *gstr,
152 int *pkey_type, long *pkeylen,
153 char **palgnam, ENGINE *keygen_engine);
155 static char *default_config_file = NULL;
157 static CONF *req_conf = NULL;
158 static int batch = 0;
160 int MAIN(int, char **);
162 int MAIN(int argc, char **argv)
164 ENGINE *e = NULL, *gen_eng = NULL;
165 unsigned long nmflag = 0, reqflag = 0;
166 int ex = 1, x509 = 0, days = 30;
168 X509_REQ *req = NULL;
169 EVP_PKEY_CTX *genctx = NULL;
170 const char *keyalg = NULL;
171 char *keyalgstr = NULL;
172 STACK_OF(OPENSSL_STRING) *pkeyopts = NULL, *sigopts = NULL;
173 EVP_PKEY *pkey = NULL;
174 int i = 0, badops = 0, newreq = 0, verbose = 0, pkey_type = -1;
176 BIO *in = NULL, *out = NULL;
177 int informat, outformat, verify = 0, noout = 0, text = 0, keyform =
179 int nodes = 0, kludge = 0, newhdr = 0, subject = 0, pubkey = 0;
180 char *infile, *outfile, *prog, *keyfile = NULL, *template =
181 NULL, *keyout = NULL;
183 char *extensions = NULL;
184 char *req_exts = NULL;
185 const EVP_CIPHER *cipher = NULL;
186 ASN1_INTEGER *serial = NULL;
189 char *passargin = NULL, *passargout = NULL;
190 char *passin = NULL, *passout = NULL;
194 const EVP_MD *md_alg = NULL, *digest = NULL;
195 unsigned long chtype = MBSTRING_ASC;
202 #ifndef OPENSSL_NO_DES
203 cipher = EVP_des_ede3_cbc();
208 if ((bio_err = BIO_new(BIO_s_file())) != NULL)
209 BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT);
213 informat = FORMAT_PEM;
214 outformat = FORMAT_PEM;
220 if (strcmp(*argv, "-inform") == 0) {
223 informat = str2fmt(*(++argv));
224 } else if (strcmp(*argv, "-outform") == 0) {
227 outformat = str2fmt(*(++argv));
229 #ifndef OPENSSL_NO_ENGINE
230 else if (strcmp(*argv, "-engine") == 0) {
234 } else if (strcmp(*argv, "-keygen_engine") == 0) {
237 gen_eng = ENGINE_by_id(*(++argv));
238 if (gen_eng == NULL) {
239 BIO_printf(bio_err, "Can't find keygen engine %s\n", *argv);
244 else if (strcmp(*argv, "-key") == 0) {
248 } else if (strcmp(*argv, "-pubkey") == 0) {
250 } else if (strcmp(*argv, "-new") == 0) {
252 } else if (strcmp(*argv, "-config") == 0) {
255 template = *(++argv);
256 } else if (strcmp(*argv, "-keyform") == 0) {
259 keyform = str2fmt(*(++argv));
260 } else if (strcmp(*argv, "-in") == 0) {
264 } else if (strcmp(*argv, "-out") == 0) {
268 } else if (strcmp(*argv, "-keyout") == 0) {
272 } else if (strcmp(*argv, "-passin") == 0) {
275 passargin = *(++argv);
276 } else if (strcmp(*argv, "-passout") == 0) {
279 passargout = *(++argv);
280 } else if (strcmp(*argv, "-rand") == 0) {
284 } else if (strcmp(*argv, "-newkey") == 0) {
289 } else if (strcmp(*argv, "-pkeyopt") == 0) {
293 pkeyopts = sk_OPENSSL_STRING_new_null();
294 if (!pkeyopts || !sk_OPENSSL_STRING_push(pkeyopts, *(++argv)))
296 } else if (strcmp(*argv, "-sigopt") == 0) {
300 sigopts = sk_OPENSSL_STRING_new_null();
301 if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, *(++argv)))
303 } else if (strcmp(*argv, "-batch") == 0)
305 else if (strcmp(*argv, "-newhdr") == 0)
307 else if (strcmp(*argv, "-modulus") == 0)
309 else if (strcmp(*argv, "-verify") == 0)
311 else if (strcmp(*argv, "-nodes") == 0)
313 else if (strcmp(*argv, "-noout") == 0)
315 else if (strcmp(*argv, "-verbose") == 0)
317 else if (strcmp(*argv, "-utf8") == 0)
318 chtype = MBSTRING_UTF8;
319 else if (strcmp(*argv, "-nameopt") == 0) {
322 if (!set_name_ex(&nmflag, *(++argv)))
324 } else if (strcmp(*argv, "-reqopt") == 0) {
327 if (!set_cert_ex(&reqflag, *(++argv)))
329 } else if (strcmp(*argv, "-subject") == 0)
331 else if (strcmp(*argv, "-text") == 0)
333 else if (strcmp(*argv, "-x509") == 0) {
335 } else if (strcmp(*argv, "-asn1-kludge") == 0)
337 else if (strcmp(*argv, "-no-asn1-kludge") == 0)
339 else if (strcmp(*argv, "-subj") == 0) {
343 } else if (strcmp(*argv, "-multivalue-rdn") == 0)
345 else if (strcmp(*argv, "-days") == 0) {
348 days = atoi(*(++argv));
351 } else if (strcmp(*argv, "-set_serial") == 0) {
354 serial = s2i_ASN1_INTEGER(NULL, *(++argv));
357 } else if (strcmp(*argv, "-extensions") == 0) {
360 extensions = *(++argv);
361 } else if (strcmp(*argv, "-reqexts") == 0) {
364 req_exts = *(++argv);
365 } else if ((md_alg = EVP_get_digestbyname(&((*argv)[1]))) != NULL) {
369 BIO_printf(bio_err, "unknown option %s\n", *argv);
379 BIO_printf(bio_err, "%s [options] <infile >outfile\n", prog);
380 BIO_printf(bio_err, "where options are\n");
381 BIO_printf(bio_err, " -inform arg input format - DER or PEM\n");
382 BIO_printf(bio_err, " -outform arg output format - DER or PEM\n");
383 BIO_printf(bio_err, " -in arg input file\n");
384 BIO_printf(bio_err, " -out arg output file\n");
385 BIO_printf(bio_err, " -text text form of request\n");
386 BIO_printf(bio_err, " -pubkey output public key\n");
387 BIO_printf(bio_err, " -noout do not output REQ\n");
388 BIO_printf(bio_err, " -verify verify signature on REQ\n");
389 BIO_printf(bio_err, " -modulus RSA modulus\n");
390 BIO_printf(bio_err, " -nodes don't encrypt the output key\n");
391 #ifndef OPENSSL_NO_ENGINE
393 " -engine e use engine e, possibly a hardware device\n");
395 BIO_printf(bio_err, " -subject output the request's subject\n");
396 BIO_printf(bio_err, " -passin private key password source\n");
398 " -key file use the private key contained in file\n");
399 BIO_printf(bio_err, " -keyform arg key file format\n");
400 BIO_printf(bio_err, " -keyout arg file to send the key to\n");
401 BIO_printf(bio_err, " -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR,
402 LIST_SEPARATOR_CHAR);
404 " load the file (or the files in the directory) into\n");
405 BIO_printf(bio_err, " the random number generator\n");
407 " -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
409 " -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
410 #ifndef OPENSSL_NO_ECDSA
412 " -newkey ec:file generate a new EC key, parameters taken from CA in 'file'\n");
415 " -[digest] Digest to sign with (md5, sha1, md2, mdc2, md4)\n");
416 BIO_printf(bio_err, " -config file request template file.\n");
418 " -subj arg set or modify request subject\n");
420 " -multivalue-rdn enable support for multivalued RDNs\n");
421 BIO_printf(bio_err, " -new new request.\n");
423 " -batch do not ask anything during request generation\n");
425 " -x509 output a x509 structure instead of a cert. req.\n");
427 " -days number of days a certificate generated by -x509 is valid for.\n");
429 " -set_serial serial number to use for a certificate generated by -x509.\n");
431 " -newhdr output \"NEW\" in the header lines\n");
433 " -asn1-kludge Output the 'request' in a format that is wrong but some CA's\n");
435 " have been reported as requiring\n");
437 " -extensions .. specify certificate extension section (override value in config file)\n");
439 " -reqexts .. specify request extension section (override value in config file)\n");
441 " -utf8 input characters are UTF8 (default ASCII)\n");
443 " -nameopt arg - various certificate name options\n");
445 " -reqopt arg - various request text options\n\n");
449 if (x509 && infile == NULL)
452 ERR_load_crypto_strings();
453 if (!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
454 BIO_printf(bio_err, "Error getting passwords\n");
457 #ifndef MONOLITH /* else this has happened in openssl.c
458 * (global `config') */
459 /* Lets load up our environment a little */
460 p = getenv("OPENSSL_CONF");
462 p = getenv("SSLEAY_CONF");
464 p = to_free = make_config_name();
465 default_config_file = p;
466 config = NCONF_new(NULL);
467 i = NCONF_load(config, p, &errline);
470 if (template != NULL) {
474 BIO_printf(bio_err, "Using configuration from %s\n", template);
475 req_conf = NCONF_new(NULL);
476 i = NCONF_load(req_conf, template, &errline);
478 BIO_printf(bio_err, "error on line %ld of %s\n", errline,
485 if (req_conf == NULL) {
486 BIO_printf(bio_err, "Unable to load config info from %s\n",
487 default_config_file);
491 BIO_printf(bio_err, "Using configuration from %s\n",
492 default_config_file);
495 if (req_conf != NULL) {
496 if (!load_config(bio_err, req_conf))
498 p = NCONF_get_string(req_conf, NULL, "oid_file");
504 oid_bio = BIO_new_file(p, "r");
505 if (oid_bio == NULL) {
507 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
508 ERR_print_errors(bio_err);
511 OBJ_create_objects(oid_bio);
516 if (!add_oid_section(bio_err, req_conf))
519 if (md_alg == NULL) {
520 p = NCONF_get_string(req_conf, SECTION, "default_md");
524 if ((md_alg = EVP_get_digestbyname(p)) != NULL)
530 extensions = NCONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
535 /* Check syntax of file */
537 X509V3_set_ctx_test(&ctx);
538 X509V3_set_nconf(&ctx, req_conf);
539 if (!X509V3_EXT_add_nconf(req_conf, &ctx, extensions, NULL)) {
541 "Error Loading extension section %s\n", extensions);
547 passin = NCONF_get_string(req_conf, SECTION, "input_password");
553 passout = NCONF_get_string(req_conf, SECTION, "output_password");
558 p = NCONF_get_string(req_conf, SECTION, STRING_MASK);
562 if (p && !ASN1_STRING_set_default_mask_asc(p)) {
563 BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
567 if (chtype != MBSTRING_UTF8) {
568 p = NCONF_get_string(req_conf, SECTION, UTF8_IN);
571 else if (!strcmp(p, "yes"))
572 chtype = MBSTRING_UTF8;
576 req_exts = NCONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
581 /* Check syntax of file */
583 X509V3_set_ctx_test(&ctx);
584 X509V3_set_nconf(&ctx, req_conf);
585 if (!X509V3_EXT_add_nconf(req_conf, &ctx, req_exts, NULL)) {
587 "Error Loading request extension section %s\n",
593 in = BIO_new(BIO_s_file());
594 out = BIO_new(BIO_s_file());
595 if ((in == NULL) || (out == NULL))
598 e = setup_engine(bio_err, engine, 0);
600 if (keyfile != NULL) {
601 pkey = load_key(bio_err, keyfile, keyform, 0, passin, e,
605 * load_key() has already printed an appropriate message
609 char *randfile = NCONF_get_string(req_conf, SECTION, "RANDFILE");
610 if (randfile == NULL)
612 app_RAND_load_file(randfile, bio_err, 0);
616 if (newreq && (pkey == NULL)) {
617 char *randfile = NCONF_get_string(req_conf, SECTION, "RANDFILE");
618 if (randfile == NULL)
620 app_RAND_load_file(randfile, bio_err, 0);
622 app_RAND_load_files(inrand);
624 if (!NCONF_get_number(req_conf, SECTION, BITS, &newkey)) {
625 newkey = DEFAULT_KEY_LENGTH;
629 genctx = set_keygen_ctx(bio_err, keyalg, &pkey_type, &newkey,
630 &keyalgstr, gen_eng);
635 if (newkey < MIN_KEY_LENGTH
636 && (pkey_type == EVP_PKEY_RSA || pkey_type == EVP_PKEY_DSA)) {
637 BIO_printf(bio_err, "private key length is too short,\n");
638 BIO_printf(bio_err, "it needs to be at least %d bits, not %ld\n",
639 MIN_KEY_LENGTH, newkey);
644 genctx = set_keygen_ctx(bio_err, NULL, &pkey_type, &newkey,
645 &keyalgstr, gen_eng);
652 for (i = 0; i < sk_OPENSSL_STRING_num(pkeyopts); i++) {
653 genopt = sk_OPENSSL_STRING_value(pkeyopts, i);
654 if (pkey_ctrl_string(genctx, genopt) <= 0) {
655 BIO_printf(bio_err, "parameter error \"%s\"\n", genopt);
656 ERR_print_errors(bio_err);
662 BIO_printf(bio_err, "Generating a %ld bit %s private key\n",
665 EVP_PKEY_CTX_set_cb(genctx, genpkey_cb);
666 EVP_PKEY_CTX_set_app_data(genctx, bio_err);
668 if (EVP_PKEY_keygen(genctx, &pkey) <= 0) {
669 BIO_puts(bio_err, "Error Generating Key\n");
673 EVP_PKEY_CTX_free(genctx);
676 app_RAND_write_file(randfile, bio_err);
678 if (keyout == NULL) {
679 keyout = NCONF_get_string(req_conf, SECTION, KEYFILE);
684 if (keyout == NULL) {
685 BIO_printf(bio_err, "writing new private key to stdout\n");
686 BIO_set_fp(out, stdout, BIO_NOCLOSE);
687 #ifdef OPENSSL_SYS_VMS
689 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
690 out = BIO_push(tmpbio, out);
694 BIO_printf(bio_err, "writing new private key to '%s'\n", keyout);
695 if (BIO_write_filename(out, keyout) <= 0) {
701 p = NCONF_get_string(req_conf, SECTION, "encrypt_rsa_key");
704 p = NCONF_get_string(req_conf, SECTION, "encrypt_key");
708 if ((p != NULL) && (strcmp(p, "no") == 0))
715 if (!PEM_write_bio_PrivateKey(out, pkey, cipher,
716 NULL, 0, NULL, passout)) {
717 if ((ERR_GET_REASON(ERR_peek_error()) ==
718 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3)) {
725 BIO_printf(bio_err, "-----\n");
730 * Since we are using a pre-existing certificate request, the kludge
731 * 'format' info should not be changed.
735 BIO_set_fp(in, stdin, BIO_NOCLOSE);
737 if (BIO_read_filename(in, infile) <= 0) {
743 if (informat == FORMAT_ASN1)
744 req = d2i_X509_REQ_bio(in, NULL);
745 else if (informat == FORMAT_PEM)
746 req = PEM_read_bio_X509_REQ(in, NULL, NULL, NULL);
749 "bad input format specified for X509 request\n");
753 BIO_printf(bio_err, "unable to load X509 request\n");
758 if (newreq || x509) {
760 BIO_printf(bio_err, "you need to specify a private key\n");
765 req = X509_REQ_new();
770 i = make_REQ(req, pkey, subj, multirdn, !x509, chtype);
771 subj = NULL; /* done processing '-subj' option */
773 && !sk_X509_ATTRIBUTE_num(req->req_info->attributes)) {
774 sk_X509_ATTRIBUTE_free(req->req_info->attributes);
775 req->req_info->attributes = NULL;
778 BIO_printf(bio_err, "problems making Certificate Request\n");
785 if ((x509ss = X509_new()) == NULL)
788 /* Set version to V3 */
789 if (extensions && !X509_set_version(x509ss, 2))
792 if (!X509_set_serialNumber(x509ss, serial))
795 if (!rand_serial(NULL, X509_get_serialNumber(x509ss)))
799 if (!X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req)))
801 if (!X509_gmtime_adj(X509_get_notBefore(x509ss), 0))
803 if (!X509_time_adj_ex(X509_get_notAfter(x509ss), days, 0, NULL))
805 if (!X509_set_subject_name
806 (x509ss, X509_REQ_get_subject_name(req)))
808 tmppkey = X509_REQ_get_pubkey(req);
809 if (!tmppkey || !X509_set_pubkey(x509ss, tmppkey))
811 EVP_PKEY_free(tmppkey);
813 /* Set up V3 context struct */
815 X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
816 X509V3_set_nconf(&ext_ctx, req_conf);
819 if (extensions && !X509V3_EXT_add_nconf(req_conf,
820 &ext_ctx, extensions,
822 BIO_printf(bio_err, "Error Loading extension section %s\n",
827 i = do_X509_sign(bio_err, x509ss, pkey, digest, sigopts);
829 ERR_print_errors(bio_err);
835 /* Set up V3 context struct */
837 X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
838 X509V3_set_nconf(&ext_ctx, req_conf);
841 if (req_exts && !X509V3_EXT_REQ_add_nconf(req_conf,
844 BIO_printf(bio_err, "Error Loading extension section %s\n",
848 i = do_X509_REQ_sign(bio_err, req, pkey, digest, sigopts);
850 ERR_print_errors(bio_err);
857 BIO_printf(bio_err, "Cannot modifiy certificate subject\n");
863 BIO_printf(bio_err, "Modifying Request's Subject\n");
864 print_name(bio_err, "old subject=",
865 X509_REQ_get_subject_name(req), nmflag);
868 if (build_subject(req, subj, chtype, multirdn) == 0) {
869 BIO_printf(bio_err, "ERROR: cannot modify subject\n");
874 req->req_info->enc.modified = 1;
877 print_name(bio_err, "new subject=",
878 X509_REQ_get_subject_name(req), nmflag);
882 if (verify && !x509) {
886 pkey = X509_REQ_get_pubkey(req);
892 i = X509_REQ_verify(req, pkey);
901 BIO_printf(bio_err, "verify failure\n");
902 ERR_print_errors(bio_err);
903 } else /* if (i > 0) */
904 BIO_printf(bio_err, "verify OK\n");
907 if (noout && !text && !modulus && !subject && !pubkey) {
912 if (outfile == NULL) {
913 BIO_set_fp(out, stdout, BIO_NOCLOSE);
914 #ifdef OPENSSL_SYS_VMS
916 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
917 out = BIO_push(tmpbio, out);
921 if ((keyout != NULL) && (strcmp(outfile, keyout) == 0))
922 i = (int)BIO_append_filename(out, outfile);
924 i = (int)BIO_write_filename(out, outfile);
933 tpubkey = X509_REQ_get_pubkey(req);
934 if (tpubkey == NULL) {
935 BIO_printf(bio_err, "Error getting public key\n");
936 ERR_print_errors(bio_err);
939 PEM_write_bio_PUBKEY(out, tpubkey);
940 EVP_PKEY_free(tpubkey);
945 X509_print_ex(out, x509ss, nmflag, reqflag);
947 X509_REQ_print_ex(out, req, nmflag, reqflag);
952 print_name(out, "subject=", X509_get_subject_name(x509ss),
955 print_name(out, "subject=", X509_REQ_get_subject_name(req),
963 tpubkey = X509_get_pubkey(x509ss);
965 tpubkey = X509_REQ_get_pubkey(req);
966 if (tpubkey == NULL) {
967 fprintf(stdout, "Modulus=unavailable\n");
970 fprintf(stdout, "Modulus=");
971 #ifndef OPENSSL_NO_RSA
972 if (EVP_PKEY_base_id(tpubkey) == EVP_PKEY_RSA)
973 BN_print(out, tpubkey->pkey.rsa->n);
976 fprintf(stdout, "Wrong Algorithm type");
977 EVP_PKEY_free(tpubkey);
978 fprintf(stdout, "\n");
981 if (!noout && !x509) {
982 if (outformat == FORMAT_ASN1)
983 i = i2d_X509_REQ_bio(out, req);
984 else if (outformat == FORMAT_PEM) {
986 i = PEM_write_bio_X509_REQ_NEW(out, req);
988 i = PEM_write_bio_X509_REQ(out, req);
990 BIO_printf(bio_err, "bad output format specified for outfile\n");
994 BIO_printf(bio_err, "unable to write X509 request\n");
998 if (!noout && x509 && (x509ss != NULL)) {
999 if (outformat == FORMAT_ASN1)
1000 i = i2d_X509_bio(out, x509ss);
1001 else if (outformat == FORMAT_PEM)
1002 i = PEM_write_bio_X509(out, x509ss);
1004 BIO_printf(bio_err, "bad output format specified for outfile\n");
1008 BIO_printf(bio_err, "unable to write X509 certificate\n");
1016 OPENSSL_free(to_free);
1019 ERR_print_errors(bio_err);
1021 if ((req_conf != NULL) && (req_conf != config))
1022 NCONF_free(req_conf);
1025 EVP_PKEY_free(pkey);
1027 EVP_PKEY_CTX_free(genctx);
1029 sk_OPENSSL_STRING_free(pkeyopts);
1031 sk_OPENSSL_STRING_free(sigopts);
1032 #ifndef OPENSSL_NO_ENGINE
1034 ENGINE_free(gen_eng);
1037 OPENSSL_free(keyalgstr);
1040 ASN1_INTEGER_free(serial);
1042 if (passargin && passin)
1043 OPENSSL_free(passin);
1044 if (passargout && passout)
1045 OPENSSL_free(passout);
1051 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *subj, int multirdn,
1052 int attribs, unsigned long chtype)
1056 STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL;
1057 char *tmp, *dn_sect, *attr_sect;
1059 tmp = NCONF_get_string(req_conf, SECTION, PROMPT);
1062 if ((tmp != NULL) && !strcmp(tmp, "no"))
1065 dn_sect = NCONF_get_string(req_conf, SECTION, DISTINGUISHED_NAME);
1066 if (dn_sect == NULL) {
1067 BIO_printf(bio_err, "unable to find '%s' in config\n",
1068 DISTINGUISHED_NAME);
1071 dn_sk = NCONF_get_section(req_conf, dn_sect);
1072 if (dn_sk == NULL) {
1073 BIO_printf(bio_err, "unable to get '%s' section\n", dn_sect);
1077 attr_sect = NCONF_get_string(req_conf, SECTION, ATTRIBUTES);
1078 if (attr_sect == NULL) {
1082 attr_sk = NCONF_get_section(req_conf, attr_sect);
1083 if (attr_sk == NULL) {
1084 BIO_printf(bio_err, "unable to get '%s' section\n", attr_sect);
1089 /* setup version number */
1090 if (!X509_REQ_set_version(req, 0L))
1091 goto err; /* version 1 */
1094 i = auto_info(req, dn_sk, attr_sk, attribs, chtype);
1097 i = build_subject(req, subj, chtype, multirdn);
1099 i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs,
1105 if (!X509_REQ_set_pubkey(req, pkey))
1114 * subject is expected to be in the format /type0=value0/type1=value1/type2=...
1115 * where characters may be escaped by \
1117 static int build_subject(X509_REQ *req, char *subject, unsigned long chtype,
1122 if (!(n = parse_name(subject, chtype, multirdn)))
1125 if (!X509_REQ_set_subject_name(req, n)) {
1133 static int prompt_info(X509_REQ *req,
1134 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
1135 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect,
1136 int attribs, unsigned long chtype)
1147 subj = X509_REQ_get_subject_name(req);
1151 "You are about to be asked to enter information that will be incorporated\n");
1152 BIO_printf(bio_err, "into your certificate request.\n");
1154 "What you are about to enter is what is called a Distinguished Name or a DN.\n");
1156 "There are quite a few fields but you can leave some blank\n");
1158 "For some fields there will be a default value,\n");
1160 "If you enter '.', the field will be left blank.\n");
1161 BIO_printf(bio_err, "-----\n");
1164 if (sk_CONF_VALUE_num(dn_sk)) {
1168 if (sk_CONF_VALUE_num(dn_sk) <= i)
1171 v = sk_CONF_VALUE_value(dn_sk, i);
1174 if (!check_end(type, "_min") || !check_end(type, "_max") ||
1175 !check_end(type, "_default") || !check_end(type, "_value"))
1178 * Skip past any leading X. X: X, etc to allow for multiple
1181 for (p = v->name; *p; p++)
1182 if ((*p == ':') || (*p == ',') || (*p == '.')) {
1193 /* If OBJ not recognised ignore it */
1194 if ((nid = OBJ_txt2nid(type)) == NID_undef)
1196 if (BIO_snprintf(buf, sizeof(buf), "%s_default", v->name)
1197 >= (int)sizeof(buf)) {
1198 BIO_printf(bio_err, "Name '%s' too long\n", v->name);
1202 if ((def = NCONF_get_string(req_conf, dn_sect, buf)) == NULL) {
1207 BIO_snprintf(buf, sizeof(buf), "%s_value", v->name);
1208 if ((value = NCONF_get_string(req_conf, dn_sect, buf)) == NULL) {
1213 BIO_snprintf(buf, sizeof(buf), "%s_min", v->name);
1214 if (!NCONF_get_number(req_conf, dn_sect, buf, &n_min)) {
1219 BIO_snprintf(buf, sizeof(buf), "%s_max", v->name);
1220 if (!NCONF_get_number(req_conf, dn_sect, buf, &n_max)) {
1225 if (!add_DN_object(subj, v->value, def, value, nid,
1226 n_min, n_max, chtype, mval))
1229 if (X509_NAME_entry_count(subj) == 0) {
1231 "error, no objects specified in config file\n");
1236 if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0)
1239 "\nPlease enter the following 'extra' attributes\n");
1241 "to be sent with your certificate request\n");
1247 if ((attr_sk == NULL) || (sk_CONF_VALUE_num(attr_sk) <= i))
1250 v = sk_CONF_VALUE_value(attr_sk, i);
1252 if ((nid = OBJ_txt2nid(type)) == NID_undef)
1255 if (BIO_snprintf(buf, sizeof(buf), "%s_default", type)
1256 >= (int)sizeof(buf)) {
1257 BIO_printf(bio_err, "Name '%s' too long\n", v->name);
1261 if ((def = NCONF_get_string(req_conf, attr_sect, buf))
1267 BIO_snprintf(buf, sizeof(buf), "%s_value", type);
1268 if ((value = NCONF_get_string(req_conf, attr_sect, buf))
1274 BIO_snprintf(buf, sizeof(buf), "%s_min", type);
1275 if (!NCONF_get_number(req_conf, attr_sect, buf, &n_min)) {
1280 BIO_snprintf(buf, sizeof(buf), "%s_max", type);
1281 if (!NCONF_get_number(req_conf, attr_sect, buf, &n_max)) {
1286 if (!add_attribute_object(req,
1287 v->value, def, value, nid, n_min,
1293 BIO_printf(bio_err, "No template, please set one up.\n");
1301 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
1302 STACK_OF(CONF_VALUE) *attr_sk, int attribs,
1303 unsigned long chtype)
1311 subj = X509_REQ_get_subject_name(req);
1313 for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++) {
1315 v = sk_CONF_VALUE_value(dn_sk, i);
1319 * Skip past any leading X. X: X, etc to allow for multiple instances
1321 for (p = v->name; *p; p++)
1322 #ifndef CHARSET_EBCDIC
1323 if ((*p == ':') || (*p == ',') || (*p == '.')) {
1325 if ((*p == os_toascii[':']) || (*p == os_toascii[','])
1326 || (*p == os_toascii['.'])) {
1333 #ifndef CHARSET_EBCDIC
1336 if (*type == os_toascii['+']) {
1342 if (!X509_NAME_add_entry_by_txt(subj, type, chtype,
1343 (unsigned char *)v->value, -1, -1,
1349 if (!X509_NAME_entry_count(subj)) {
1350 BIO_printf(bio_err, "error, no objects specified in config file\n");
1354 for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++) {
1355 v = sk_CONF_VALUE_value(attr_sk, i);
1356 if (!X509_REQ_add1_attr_by_txt(req, v->name, chtype,
1357 (unsigned char *)v->value, -1))
1364 static int add_DN_object(X509_NAME *n, char *text, const char *def,
1365 char *value, int nid, int n_min, int n_max,
1366 unsigned long chtype, int mval)
1369 MS_STATIC char buf[1024];
1372 BIO_printf(bio_err, "%s [%s]:", text, def);
1373 (void)BIO_flush(bio_err);
1374 if (value != NULL) {
1375 BUF_strlcpy(buf, value, sizeof(buf));
1376 BUF_strlcat(buf, "\n", sizeof(buf));
1377 BIO_printf(bio_err, "%s\n", value);
1381 if (!fgets(buf, sizeof(buf), stdin))
1391 else if (buf[0] == '\n') {
1392 if ((def == NULL) || (def[0] == '\0'))
1394 BUF_strlcpy(buf, def, sizeof(buf));
1395 BUF_strlcat(buf, "\n", sizeof(buf));
1396 } else if ((buf[0] == '.') && (buf[1] == '\n'))
1400 if (buf[i - 1] != '\n') {
1401 BIO_printf(bio_err, "weird input :-(\n");
1405 #ifdef CHARSET_EBCDIC
1406 ebcdic2ascii(buf, buf, i);
1408 if (!req_check_len(i, n_min, n_max)) {
1414 if (!X509_NAME_add_entry_by_NID(n, nid, chtype,
1415 (unsigned char *)buf, -1, -1, mval))
1422 static int add_attribute_object(X509_REQ *req, char *text, const char *def,
1423 char *value, int nid, int n_min,
1424 int n_max, unsigned long chtype)
1427 static char buf[1024];
1431 BIO_printf(bio_err, "%s [%s]:", text, def);
1432 (void)BIO_flush(bio_err);
1433 if (value != NULL) {
1434 BUF_strlcpy(buf, value, sizeof(buf));
1435 BUF_strlcat(buf, "\n", sizeof(buf));
1436 BIO_printf(bio_err, "%s\n", value);
1440 if (!fgets(buf, sizeof(buf), stdin))
1450 else if (buf[0] == '\n') {
1451 if ((def == NULL) || (def[0] == '\0'))
1453 BUF_strlcpy(buf, def, sizeof(buf));
1454 BUF_strlcat(buf, "\n", sizeof(buf));
1455 } else if ((buf[0] == '.') && (buf[1] == '\n'))
1459 if (buf[i - 1] != '\n') {
1460 BIO_printf(bio_err, "weird input :-(\n");
1464 #ifdef CHARSET_EBCDIC
1465 ebcdic2ascii(buf, buf, i);
1467 if (!req_check_len(i, n_min, n_max)) {
1473 if (!X509_REQ_add1_attr_by_NID(req, nid, chtype,
1474 (unsigned char *)buf, -1)) {
1475 BIO_printf(bio_err, "Error adding attribute\n");
1476 ERR_print_errors(bio_err);
1485 static int req_check_len(int len, int n_min, int n_max)
1487 if ((n_min > 0) && (len < n_min)) {
1489 "string is too short, it needs to be at least %d bytes long\n",
1493 if ((n_max >= 0) && (len > n_max)) {
1495 "string is too long, it needs to be less than %d bytes long\n",
1502 /* Check if the end of a string matches 'end' */
1503 static int check_end(const char *str, const char *end)
1511 tmp = str + slen - elen;
1512 return strcmp(tmp, end);
1515 static EVP_PKEY_CTX *set_keygen_ctx(BIO *err, const char *gstr,
1516 int *pkey_type, long *pkeylen,
1517 char **palgnam, ENGINE *keygen_engine)
1519 EVP_PKEY_CTX *gctx = NULL;
1520 EVP_PKEY *param = NULL;
1523 const char *paramfile = NULL;
1526 *pkey_type = EVP_PKEY_RSA;
1528 } else if (gstr[0] >= '0' && gstr[0] <= '9') {
1529 *pkey_type = EVP_PKEY_RSA;
1530 keylen = atol(gstr);
1532 } else if (!strncmp(gstr, "param:", 6))
1533 paramfile = gstr + 6;
1535 const char *p = strchr(gstr, ':');
1538 const EVP_PKEY_ASN1_METHOD *ameth;
1545 * The lookup of a the string will cover all engines so keep a note
1546 * of the implementation.
1549 ameth = EVP_PKEY_asn1_find_str(&tmpeng, gstr, len);
1552 BIO_printf(err, "Unknown algorithm %.*s\n", len, gstr);
1556 EVP_PKEY_asn1_get0_info(NULL, pkey_type, NULL, NULL, NULL, ameth);
1557 #ifndef OPENSSL_NO_ENGINE
1559 ENGINE_finish(tmpeng);
1561 if (*pkey_type == EVP_PKEY_RSA) {
1563 keylen = atol(p + 1);
1572 pbio = BIO_new_file(paramfile, "r");
1574 BIO_printf(err, "Can't open parameter file %s\n", paramfile);
1577 param = PEM_read_bio_Parameters(pbio, NULL);
1581 (void)BIO_reset(pbio);
1582 x = PEM_read_bio_X509(pbio, NULL, NULL, NULL);
1584 param = X509_get_pubkey(x);
1592 BIO_printf(err, "Error reading parameter file %s\n", paramfile);
1595 if (*pkey_type == -1)
1596 *pkey_type = EVP_PKEY_id(param);
1597 else if (*pkey_type != EVP_PKEY_base_id(param)) {
1598 BIO_printf(err, "Key Type does not match parameters\n");
1599 EVP_PKEY_free(param);
1605 const EVP_PKEY_ASN1_METHOD *ameth;
1608 ameth = EVP_PKEY_asn1_find(&tmpeng, *pkey_type);
1610 BIO_puts(err, "Internal error: can't find key algorithm\n");
1613 EVP_PKEY_asn1_get0_info(NULL, NULL, NULL, NULL, &anam, ameth);
1614 *palgnam = BUF_strdup(anam);
1615 #ifndef OPENSSL_NO_ENGINE
1617 ENGINE_finish(tmpeng);
1622 gctx = EVP_PKEY_CTX_new(param, keygen_engine);
1623 *pkeylen = EVP_PKEY_bits(param);
1624 EVP_PKEY_free(param);
1626 gctx = EVP_PKEY_CTX_new_id(*pkey_type, keygen_engine);
1629 BIO_puts(err, "Error allocating keygen context\n");
1630 ERR_print_errors(err);
1634 if (EVP_PKEY_keygen_init(gctx) <= 0) {
1635 BIO_puts(err, "Error initializing keygen context\n");
1636 ERR_print_errors(err);
1639 #ifndef OPENSSL_NO_RSA
1640 if ((*pkey_type == EVP_PKEY_RSA) && (keylen != -1)) {
1641 if (EVP_PKEY_CTX_set_rsa_keygen_bits(gctx, keylen) <= 0) {
1642 BIO_puts(err, "Error setting RSA keysize\n");
1643 ERR_print_errors(err);
1644 EVP_PKEY_CTX_free(gctx);
1653 static int genpkey_cb(EVP_PKEY_CTX *ctx)
1656 BIO *b = EVP_PKEY_CTX_get_app_data(ctx);
1658 p = EVP_PKEY_CTX_get_keygen_info(ctx, 0);
1667 BIO_write(b, &c, 1);
1675 static int do_sign_init(BIO *err, EVP_MD_CTX *ctx, EVP_PKEY *pkey,
1676 const EVP_MD *md, STACK_OF(OPENSSL_STRING) *sigopts)
1678 EVP_PKEY_CTX *pkctx = NULL;
1680 EVP_MD_CTX_init(ctx);
1681 if (!EVP_DigestSignInit(ctx, &pkctx, md, NULL, pkey))
1683 for (i = 0; i < sk_OPENSSL_STRING_num(sigopts); i++) {
1684 char *sigopt = sk_OPENSSL_STRING_value(sigopts, i);
1685 if (pkey_ctrl_string(pkctx, sigopt) <= 0) {
1686 BIO_printf(err, "parameter error \"%s\"\n", sigopt);
1687 ERR_print_errors(bio_err);
1694 int do_X509_sign(BIO *err, X509 *x, EVP_PKEY *pkey, const EVP_MD *md,
1695 STACK_OF(OPENSSL_STRING) *sigopts)
1699 EVP_MD_CTX_init(&mctx);
1700 rv = do_sign_init(err, &mctx, pkey, md, sigopts);
1702 rv = X509_sign_ctx(x, &mctx);
1703 EVP_MD_CTX_cleanup(&mctx);
1704 return rv > 0 ? 1 : 0;
1707 int do_X509_REQ_sign(BIO *err, X509_REQ *x, EVP_PKEY *pkey, const EVP_MD *md,
1708 STACK_OF(OPENSSL_STRING) *sigopts)
1712 EVP_MD_CTX_init(&mctx);
1713 rv = do_sign_init(err, &mctx, pkey, md, sigopts);
1715 rv = X509_REQ_sign_ctx(x, &mctx);
1716 EVP_MD_CTX_cleanup(&mctx);
1717 return rv > 0 ? 1 : 0;
1720 int do_X509_CRL_sign(BIO *err, X509_CRL *x, EVP_PKEY *pkey, const EVP_MD *md,
1721 STACK_OF(OPENSSL_STRING) *sigopts)
1725 EVP_MD_CTX_init(&mctx);
1726 rv = do_sign_init(err, &mctx, pkey, md, sigopts);
1728 rv = X509_CRL_sign_ctx(x, &mctx);
1729 EVP_MD_CTX_cleanup(&mctx);
1730 return rv > 0 ? 1 : 0;