1 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
4 * This package is an SSL implementation written
5 * by Eric Young (eay@cryptsoft.com).
6 * The implementation was written so as to conform with Netscapes SSL.
8 * This library is free for commercial and non-commercial use as long as
9 * the following conditions are aheared to. The following conditions
10 * apply to all code found in this distribution, be it the RC4, RSA,
11 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
12 * included with this distribution is covered by the same copyright terms
13 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 * Copyright remains Eric Young's, and as such any Copyright notices in
16 * the code are not to be removed.
17 * If this package is used in a product, Eric Young should be given attribution
18 * as the author of the parts of the library used.
19 * This can be in the form of a textual message at program startup or
20 * in documentation (online or textual) provided with the package.
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
25 * 1. Redistributions of source code must retain the copyright
26 * notice, this list of conditions and the following disclaimer.
27 * 2. Redistributions in binary form must reproduce the above copyright
28 * notice, this list of conditions and the following disclaimer in the
29 * documentation and/or other materials provided with the distribution.
30 * 3. All advertising materials mentioning features or use of this software
31 * must display the following acknowledgement:
32 * "This product includes cryptographic software written by
33 * Eric Young (eay@cryptsoft.com)"
34 * The word 'cryptographic' can be left out if the rouines from the library
35 * being used are not cryptographic related :-).
36 * 4. If you include any Windows specific code (or a derivative thereof) from
37 * the apps directory (application code) you must include an acknowledgement:
38 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
52 * The licence and distribution terms for any publically available version or
53 * derivative of this code cannot be changed. i.e. this code cannot simply be
54 * copied and put under another distribution licence
55 * [including the GNU Public Licence.]
63 #include <openssl/bio.h>
64 #include <openssl/evp.h>
65 #include <openssl/conf.h>
66 #include <openssl/err.h>
67 #include <openssl/asn1.h>
68 #include <openssl/x509.h>
69 #include <openssl/x509v3.h>
70 #include <openssl/objects.h>
71 #include <openssl/pem.h>
72 #include <openssl/bn.h>
73 #ifndef OPENSSL_NO_RSA
74 # include <openssl/rsa.h>
76 #ifndef OPENSSL_NO_DSA
77 # include <openssl/dsa.h>
82 #define BITS "default_bits"
83 #define KEYFILE "default_keyfile"
84 #define PROMPT "prompt"
85 #define DISTINGUISHED_NAME "distinguished_name"
86 #define ATTRIBUTES "attributes"
87 #define V3_EXTENSIONS "x509_extensions"
88 #define REQ_EXTENSIONS "req_extensions"
89 #define STRING_MASK "string_mask"
90 #define UTF8_IN "utf8"
92 #define DEFAULT_KEY_LENGTH 2048
93 #define MIN_KEY_LENGTH 512
95 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *dn, int mutlirdn,
96 int attribs, unsigned long chtype);
97 static int build_subject(X509_REQ *req, char *subj, unsigned long chtype,
99 static int prompt_info(X509_REQ *req,
100 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
101 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect,
102 int attribs, unsigned long chtype);
103 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *sk,
104 STACK_OF(CONF_VALUE) *attr, int attribs,
105 unsigned long chtype);
106 static int add_attribute_object(X509_REQ *req, char *text, const char *def,
107 char *value, int nid, int n_min, int n_max,
108 unsigned long chtype);
109 static int add_DN_object(X509_NAME *n, char *text, const char *def,
110 char *value, int nid, int n_min, int n_max,
111 unsigned long chtype, int mval);
112 static int genpkey_cb(EVP_PKEY_CTX *ctx);
113 static int req_check_len(int len, int n_min, int n_max);
114 static int check_end(const char *str, const char *end);
115 static EVP_PKEY_CTX *set_keygen_ctx(const char *gstr,
116 int *pkey_type, long *pkeylen,
117 char **palgnam, ENGINE *keygen_engine);
118 static CONF *req_conf = NULL;
119 static int batch = 0;
121 typedef enum OPTION_choice {
122 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
123 OPT_INFORM, OPT_OUTFORM, OPT_ENGINE, OPT_KEYGEN_ENGINE, OPT_KEY,
124 OPT_PUBKEY, OPT_NEW, OPT_CONFIG, OPT_KEYFORM, OPT_IN, OPT_OUT,
125 OPT_KEYOUT, OPT_PASSIN, OPT_PASSOUT, OPT_RAND, OPT_NEWKEY,
126 OPT_PKEYOPT, OPT_SIGOPT, OPT_BATCH, OPT_NEWHDR, OPT_MODULUS,
127 OPT_VERIFY, OPT_NODES, OPT_NOOUT, OPT_VERBOSE, OPT_UTF8,
128 OPT_NAMEOPT, OPT_REQOPT, OPT_SUBJ, OPT_SUBJECT, OPT_TEXT, OPT_X509,
129 OPT_MULTIVALUE_RDN, OPT_DAYS, OPT_SET_SERIAL, OPT_EXTENSIONS,
133 OPTIONS req_options[] = {
134 {"help", OPT_HELP, '-', "Display this summary"},
135 {"inform", OPT_INFORM, 'F', "Input format - DER or PEM"},
136 {"outform", OPT_OUTFORM, 'F', "Output format - DER or PEM"},
137 {"in", OPT_IN, '<', "Input file"},
138 {"out", OPT_OUT, '>', "Output file"},
139 {"key", OPT_KEY, 's', "Private key to use"},
140 {"keyform", OPT_KEYFORM, 'f', "Key file format"},
141 {"pubkey", OPT_PUBKEY, '-', "Output public key"},
142 {"new", OPT_NEW, '-', "New request"},
143 {"config", OPT_CONFIG, '<', "Request template file"},
144 {"keyout", OPT_KEYOUT, '>', "File to send the key to"},
145 {"passin", OPT_PASSIN, 's', "Private key password source"},
146 {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"},
147 {"rand", OPT_RAND, 's',
148 "Load the file(s) into the random number generator"},
149 {"newkey", OPT_NEWKEY, 's', "Specify as type:bits"},
150 {"pkeyopt", OPT_PKEYOPT, 's', "Public key options as opt:value"},
151 {"sigopt", OPT_SIGOPT, 's', "Signature parameter in n:v form"},
152 {"batch", OPT_BATCH, '-',
153 "Do not ask anything during request generation"},
154 {"newhdr", OPT_NEWHDR, '-', "Output \"NEW\" in the header lines"},
155 {"modulus", OPT_MODULUS, '-', "RSA modulus"},
156 {"verify", OPT_VERIFY, '-', "Verify signature on REQ"},
157 {"nodes", OPT_NODES, '-', "Don't encrypt the output key"},
158 {"noout", OPT_NOOUT, '-', "Do not output REQ"},
159 {"verbose", OPT_VERBOSE, '-', "Verbose output"},
160 {"utf8", OPT_UTF8, '-', "Input characters are UTF8 (default ASCII)"},
161 {"nameopt", OPT_NAMEOPT, 's', "Various certificate name options"},
162 {"reqopt", OPT_REQOPT, 's', "Various request text options"},
163 {"text", OPT_TEXT, '-', "Text form of request"},
164 {"x509", OPT_X509, '-',
165 "Output a x509 structure instead of a cert request"},
166 {OPT_MORE_STR, 1, 1, "(Required by some CA's)"},
167 {"subj", OPT_SUBJ, 's', "Set or modify request subject"},
168 {"subject", OPT_SUBJECT, '-', "Output the request's subject"},
169 {"multivalue-rdn", OPT_MULTIVALUE_RDN, '-',
170 "Enable support for multivalued RDNs"},
171 {"days", OPT_DAYS, 'p', "Number of days cert is valid for"},
172 {"set_serial", OPT_SET_SERIAL, 'p', "Serial number to use"},
173 {"extensions", OPT_EXTENSIONS, 's',
174 "Cert extension section (override value in config file)"},
175 {"reqexts", OPT_REQEXTS, 's',
176 "Request extension section (override value in config file)"},
177 {"", OPT_MD, '-', "Any supported digest"},
178 #ifndef OPENSSL_NO_ENGINE
179 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
180 {"keygen_engine", OPT_KEYGEN_ENGINE, 's',
181 "Specify engine to be used for key generation operations"},
186 int req_main(int argc, char **argv)
188 ASN1_INTEGER *serial = NULL;
189 BIO *in = NULL, *out = NULL;
190 ENGINE *e = NULL, *gen_eng = NULL;
191 EVP_PKEY *pkey = NULL;
192 EVP_PKEY_CTX *genctx = NULL;
193 STACK_OF(OPENSSL_STRING) *pkeyopts = NULL, *sigopts = NULL;
195 X509_REQ *req = NULL;
196 const EVP_CIPHER *cipher = NULL;
197 const EVP_MD *md_alg = NULL, *digest = NULL;
198 char *extensions = NULL, *infile = NULL;
199 char *outfile = NULL, *keyfile = NULL, *inrand = NULL;
200 char *keyalgstr = NULL, *p, *prog, *passargin = NULL, *passargout = NULL;
201 char *passin = NULL, *passout = NULL;
202 char *nofree_passin = NULL, *nofree_passout = NULL;
203 char *req_exts = NULL, *subj = NULL;
204 char *template = default_config_file, *keyout = NULL;
205 const char *keyalg = NULL;
207 int ret = 1, x509 = 0, days = 30, i = 0, newreq = 0, verbose = 0;
208 int pkey_type = -1, private = 0;
209 int informat = FORMAT_PEM, outformat = FORMAT_PEM, keyform = FORMAT_PEM;
210 int modulus = 0, multirdn = 0, verify = 0, noout = 0, text = 0;
211 int nodes = 0, newhdr = 0, subject = 0, pubkey = 0;
213 unsigned long chtype = MBSTRING_ASC, nmflag = 0, reqflag = 0;
216 #ifndef OPENSSL_NO_DES
217 cipher = EVP_des_ede3_cbc();
220 prog = opt_init(argc, argv, req_options);
221 while ((o = opt_next()) != OPT_EOF) {
226 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
229 opt_help(req_options);
233 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &informat))
237 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat))
241 e = setup_engine(opt_arg(), 0);
243 case OPT_KEYGEN_ENGINE:
244 #ifndef OPENSSL_NO_ENGINE
245 gen_eng = ENGINE_by_id(opt_arg());
246 if (gen_eng == NULL) {
247 BIO_printf(bio_err, "Can't find keygen engine %s\n", *argv);
262 template = opt_arg();
265 if (!opt_format(opt_arg(), OPT_FMT_ANY, &keyform))
278 passargin = opt_arg();
281 passargout = opt_arg();
292 pkeyopts = sk_OPENSSL_STRING_new_null();
293 if (!pkeyopts || !sk_OPENSSL_STRING_push(pkeyopts, opt_arg()))
298 sigopts = sk_OPENSSL_STRING_new_null();
299 if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, opt_arg()))
324 chtype = MBSTRING_UTF8;
328 if (!set_name_ex(&nmflag, opt_arg()))
332 if (!set_cert_ex(&reqflag, opt_arg()))
342 days = atoi(opt_arg());
345 serial = s2i_ASN1_INTEGER(NULL, opt_arg());
355 case OPT_MULTIVALUE_RDN:
359 extensions = opt_arg();
362 req_exts = opt_arg();
365 if (!opt_md(opt_unknown(), &md_alg))
371 argc = opt_num_rest();
376 nmflag = XN_FLAG_ONELINE;
378 private = newreq && (pkey == NULL) ? 1 : 0;
380 if (!app_passwd(passargin, passargout, &passin, &passout)) {
381 BIO_printf(bio_err, "Error getting passwords\n");
386 BIO_printf(bio_err, "Using configuration from %s\n", template);
387 req_conf = app_load_config(template);
388 if (!app_load_modules(req_conf))
391 if (req_conf != NULL) {
392 p = NCONF_get_string(req_conf, NULL, "oid_file");
398 oid_bio = BIO_new_file(p, "r");
399 if (oid_bio == NULL) {
401 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
402 ERR_print_errors(bio_err);
405 OBJ_create_objects(oid_bio);
410 if (!add_oid_section(req_conf))
413 if (md_alg == NULL) {
414 p = NCONF_get_string(req_conf, SECTION, "default_md");
418 if (!opt_md(p, &md_alg))
425 extensions = NCONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
430 /* Check syntax of file */
432 X509V3_set_ctx_test(&ctx);
433 X509V3_set_nconf(&ctx, req_conf);
434 if (!X509V3_EXT_add_nconf(req_conf, &ctx, extensions, NULL)) {
436 "Error Loading extension section %s\n", extensions);
441 if (passin == NULL) {
442 passin = nofree_passin =
443 NCONF_get_string(req_conf, SECTION, "input_password");
448 if (passout == NULL) {
449 passout = nofree_passout =
450 NCONF_get_string(req_conf, SECTION, "output_password");
455 p = NCONF_get_string(req_conf, SECTION, STRING_MASK);
459 if (p && !ASN1_STRING_set_default_mask_asc(p)) {
460 BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
464 if (chtype != MBSTRING_UTF8) {
465 p = NCONF_get_string(req_conf, SECTION, UTF8_IN);
468 else if (strcmp(p, "yes") == 0)
469 chtype = MBSTRING_UTF8;
473 req_exts = NCONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
478 /* Check syntax of file */
480 X509V3_set_ctx_test(&ctx);
481 X509V3_set_nconf(&ctx, req_conf);
482 if (!X509V3_EXT_add_nconf(req_conf, &ctx, req_exts, NULL)) {
484 "Error Loading request extension section %s\n",
490 if (keyfile != NULL) {
491 pkey = load_key(keyfile, keyform, 0, passin, e, "Private Key");
493 /* load_key() has already printed an appropriate message */
496 char *randfile = NCONF_get_string(req_conf, SECTION, "RANDFILE");
497 if (randfile == NULL)
499 app_RAND_load_file(randfile, 0);
503 if (newreq && (pkey == NULL)) {
504 char *randfile = NCONF_get_string(req_conf, SECTION, "RANDFILE");
505 if (randfile == NULL)
507 app_RAND_load_file(randfile, 0);
509 app_RAND_load_files(inrand);
511 if (!NCONF_get_number(req_conf, SECTION, BITS, &newkey)) {
512 newkey = DEFAULT_KEY_LENGTH;
516 genctx = set_keygen_ctx(keyalg, &pkey_type, &newkey,
517 &keyalgstr, gen_eng);
522 if (newkey < MIN_KEY_LENGTH
523 && (pkey_type == EVP_PKEY_RSA || pkey_type == EVP_PKEY_DSA)) {
524 BIO_printf(bio_err, "private key length is too short,\n");
525 BIO_printf(bio_err, "it needs to be at least %d bits, not %ld\n",
526 MIN_KEY_LENGTH, newkey);
531 genctx = set_keygen_ctx(NULL, &pkey_type, &newkey,
532 &keyalgstr, gen_eng);
539 for (i = 0; i < sk_OPENSSL_STRING_num(pkeyopts); i++) {
540 genopt = sk_OPENSSL_STRING_value(pkeyopts, i);
541 if (pkey_ctrl_string(genctx, genopt) <= 0) {
542 BIO_printf(bio_err, "parameter error \"%s\"\n", genopt);
543 ERR_print_errors(bio_err);
549 BIO_printf(bio_err, "Generating a %ld bit %s private key\n",
552 EVP_PKEY_CTX_set_cb(genctx, genpkey_cb);
553 EVP_PKEY_CTX_set_app_data(genctx, bio_err);
555 if (EVP_PKEY_keygen(genctx, &pkey) <= 0) {
556 BIO_puts(bio_err, "Error Generating Key\n");
560 EVP_PKEY_CTX_free(genctx);
563 app_RAND_write_file(randfile);
565 if (keyout == NULL) {
566 keyout = NCONF_get_string(req_conf, SECTION, KEYFILE);
572 BIO_printf(bio_err, "writing new private key to stdout\n");
574 BIO_printf(bio_err, "writing new private key to '%s'\n", keyout);
575 out = bio_open_owner(keyout, outformat, private);
579 p = NCONF_get_string(req_conf, SECTION, "encrypt_rsa_key");
582 p = NCONF_get_string(req_conf, SECTION, "encrypt_key");
586 if ((p != NULL) && (strcmp(p, "no") == 0))
594 if (!PEM_write_bio_PrivateKey(out, pkey, cipher,
595 NULL, 0, NULL, passout)) {
596 if ((ERR_GET_REASON(ERR_peek_error()) ==
597 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3)) {
606 BIO_printf(bio_err, "-----\n");
610 in = bio_open_default(infile, 'r', informat);
614 if (informat == FORMAT_ASN1)
615 req = d2i_X509_REQ_bio(in, NULL);
617 req = PEM_read_bio_X509_REQ(in, NULL, NULL, NULL);
619 BIO_printf(bio_err, "unable to load X509 request\n");
624 if (newreq || x509) {
626 BIO_printf(bio_err, "you need to specify a private key\n");
631 req = X509_REQ_new();
636 i = make_REQ(req, pkey, subj, multirdn, !x509, chtype);
637 subj = NULL; /* done processing '-subj' option */
639 BIO_printf(bio_err, "problems making Certificate Request\n");
646 if ((x509ss = X509_new()) == NULL)
649 /* Set version to V3 */
650 if (extensions && !X509_set_version(x509ss, 2))
653 if (!X509_set_serialNumber(x509ss, serial))
656 if (!rand_serial(NULL, X509_get_serialNumber(x509ss)))
660 if (!X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req)))
662 if (!X509_gmtime_adj(X509_get_notBefore(x509ss), 0))
664 if (!X509_time_adj_ex(X509_get_notAfter(x509ss), days, 0, NULL))
666 if (!X509_set_subject_name
667 (x509ss, X509_REQ_get_subject_name(req)))
669 tmppkey = X509_REQ_get_pubkey(req);
670 if (!tmppkey || !X509_set_pubkey(x509ss, tmppkey))
672 EVP_PKEY_free(tmppkey);
674 /* Set up V3 context struct */
676 X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
677 X509V3_set_nconf(&ext_ctx, req_conf);
680 if (extensions && !X509V3_EXT_add_nconf(req_conf,
681 &ext_ctx, extensions,
683 BIO_printf(bio_err, "Error Loading extension section %s\n",
688 i = do_X509_sign(x509ss, pkey, digest, sigopts);
690 ERR_print_errors(bio_err);
696 /* Set up V3 context struct */
698 X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
699 X509V3_set_nconf(&ext_ctx, req_conf);
702 if (req_exts && !X509V3_EXT_REQ_add_nconf(req_conf,
705 BIO_printf(bio_err, "Error Loading extension section %s\n",
709 i = do_X509_REQ_sign(req, pkey, digest, sigopts);
711 ERR_print_errors(bio_err);
718 BIO_printf(bio_err, "Cannot modify certificate subject\n");
724 BIO_printf(bio_err, "Modifying Request's Subject\n");
725 print_name(bio_err, "old subject=",
726 X509_REQ_get_subject_name(req), nmflag);
729 if (build_subject(req, subj, chtype, multirdn) == 0) {
730 BIO_printf(bio_err, "ERROR: cannot modify subject\n");
736 print_name(bio_err, "new subject=",
737 X509_REQ_get_subject_name(req), nmflag);
741 if (verify && !x509) {
745 pkey = X509_REQ_get_pubkey(req);
751 i = X509_REQ_verify(req, pkey);
760 BIO_printf(bio_err, "verify failure\n");
761 ERR_print_errors(bio_err);
762 } else /* if (i > 0) */
763 BIO_printf(bio_err, "verify OK\n");
766 if (noout && !text && !modulus && !subject && !pubkey) {
771 out = bio_open_default(outfile,
772 keyout != NULL && outfile != NULL &&
773 strcmp(keyout, outfile) == 0 ? 'a' : 'w',
780 tpubkey = X509_REQ_get_pubkey(req);
781 if (tpubkey == NULL) {
782 BIO_printf(bio_err, "Error getting public key\n");
783 ERR_print_errors(bio_err);
786 PEM_write_bio_PUBKEY(out, tpubkey);
787 EVP_PKEY_free(tpubkey);
792 X509_print_ex(out, x509ss, nmflag, reqflag);
794 X509_REQ_print_ex(out, req, nmflag, reqflag);
799 print_name(out, "subject=", X509_get_subject_name(x509ss),
802 print_name(out, "subject=", X509_REQ_get_subject_name(req),
810 tpubkey = X509_get_pubkey(x509ss);
812 tpubkey = X509_REQ_get_pubkey(req);
813 if (tpubkey == NULL) {
814 fprintf(stdout, "Modulus=unavailable\n");
817 fprintf(stdout, "Modulus=");
818 #ifndef OPENSSL_NO_RSA
819 if (EVP_PKEY_base_id(tpubkey) == EVP_PKEY_RSA)
820 BN_print(out, EVP_PKEY_get0_RSA(tpubkey)->n);
823 fprintf(stdout, "Wrong Algorithm type");
824 EVP_PKEY_free(tpubkey);
825 fprintf(stdout, "\n");
828 if (!noout && !x509) {
829 if (outformat == FORMAT_ASN1)
830 i = i2d_X509_REQ_bio(out, req);
832 i = PEM_write_bio_X509_REQ_NEW(out, req);
834 i = PEM_write_bio_X509_REQ(out, req);
836 BIO_printf(bio_err, "unable to write X509 request\n");
840 if (!noout && x509 && (x509ss != NULL)) {
841 if (outformat == FORMAT_ASN1)
842 i = i2d_X509_bio(out, x509ss);
844 i = PEM_write_bio_X509(out, x509ss);
846 BIO_printf(bio_err, "unable to write X509 certificate\n");
853 ERR_print_errors(bio_err);
855 NCONF_free(req_conf);
859 EVP_PKEY_CTX_free(genctx);
860 sk_OPENSSL_STRING_free(pkeyopts);
861 sk_OPENSSL_STRING_free(sigopts);
862 #ifndef OPENSSL_NO_ENGINE
863 ENGINE_free(gen_eng);
865 OPENSSL_free(keyalgstr);
868 ASN1_INTEGER_free(serial);
869 if (passin != nofree_passin)
870 OPENSSL_free(passin);
871 if (passout != nofree_passout)
872 OPENSSL_free(passout);
877 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *subj, int multirdn,
878 int attribs, unsigned long chtype)
882 STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL;
883 char *tmp, *dn_sect, *attr_sect;
885 tmp = NCONF_get_string(req_conf, SECTION, PROMPT);
888 if ((tmp != NULL) && strcmp(tmp, "no") == 0)
891 dn_sect = NCONF_get_string(req_conf, SECTION, DISTINGUISHED_NAME);
892 if (dn_sect == NULL) {
893 BIO_printf(bio_err, "unable to find '%s' in config\n",
897 dn_sk = NCONF_get_section(req_conf, dn_sect);
899 BIO_printf(bio_err, "unable to get '%s' section\n", dn_sect);
903 attr_sect = NCONF_get_string(req_conf, SECTION, ATTRIBUTES);
904 if (attr_sect == NULL) {
908 attr_sk = NCONF_get_section(req_conf, attr_sect);
909 if (attr_sk == NULL) {
910 BIO_printf(bio_err, "unable to get '%s' section\n", attr_sect);
915 /* setup version number */
916 if (!X509_REQ_set_version(req, 0L))
917 goto err; /* version 1 */
920 i = build_subject(req, subj, chtype, multirdn);
922 i = auto_info(req, dn_sk, attr_sk, attribs, chtype);
924 i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs,
929 if (!X509_REQ_set_pubkey(req, pkey))
938 * subject is expected to be in the format /type0=value0/type1=value1/type2=...
939 * where characters may be escaped by \
941 static int build_subject(X509_REQ *req, char *subject, unsigned long chtype,
946 if ((n = parse_name(subject, chtype, multirdn)) == NULL)
949 if (!X509_REQ_set_subject_name(req, n)) {
957 static int prompt_info(X509_REQ *req,
958 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
959 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect,
960 int attribs, unsigned long chtype)
971 subj = X509_REQ_get_subject_name(req);
975 "You are about to be asked to enter information that will be incorporated\n");
976 BIO_printf(bio_err, "into your certificate request.\n");
978 "What you are about to enter is what is called a Distinguished Name or a DN.\n");
980 "There are quite a few fields but you can leave some blank\n");
982 "For some fields there will be a default value,\n");
984 "If you enter '.', the field will be left blank.\n");
985 BIO_printf(bio_err, "-----\n");
988 if (sk_CONF_VALUE_num(dn_sk)) {
992 if (sk_CONF_VALUE_num(dn_sk) <= i)
995 v = sk_CONF_VALUE_value(dn_sk, i);
998 if (!check_end(type, "_min") || !check_end(type, "_max") ||
999 !check_end(type, "_default") || !check_end(type, "_value"))
1002 * Skip past any leading X. X: X, etc to allow for multiple
1005 for (p = v->name; *p; p++)
1006 if ((*p == ':') || (*p == ',') || (*p == '.')) {
1017 /* If OBJ not recognised ignore it */
1018 if ((nid = OBJ_txt2nid(type)) == NID_undef)
1020 if (BIO_snprintf(buf, sizeof buf, "%s_default", v->name)
1021 >= (int)sizeof(buf)) {
1022 BIO_printf(bio_err, "Name '%s' too long\n", v->name);
1026 if ((def = NCONF_get_string(req_conf, dn_sect, buf)) == NULL) {
1031 BIO_snprintf(buf, sizeof buf, "%s_value", v->name);
1032 if ((value = NCONF_get_string(req_conf, dn_sect, buf)) == NULL) {
1037 BIO_snprintf(buf, sizeof buf, "%s_min", v->name);
1038 if (!NCONF_get_number(req_conf, dn_sect, buf, &n_min)) {
1043 BIO_snprintf(buf, sizeof buf, "%s_max", v->name);
1044 if (!NCONF_get_number(req_conf, dn_sect, buf, &n_max)) {
1049 if (!add_DN_object(subj, v->value, def, value, nid,
1050 n_min, n_max, chtype, mval))
1053 if (X509_NAME_entry_count(subj) == 0) {
1055 "error, no objects specified in config file\n");
1060 if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0)
1063 "\nPlease enter the following 'extra' attributes\n");
1065 "to be sent with your certificate request\n");
1071 if ((attr_sk == NULL) || (sk_CONF_VALUE_num(attr_sk) <= i))
1074 v = sk_CONF_VALUE_value(attr_sk, i);
1076 if ((nid = OBJ_txt2nid(type)) == NID_undef)
1079 if (BIO_snprintf(buf, sizeof buf, "%s_default", type)
1080 >= (int)sizeof(buf)) {
1081 BIO_printf(bio_err, "Name '%s' too long\n", v->name);
1085 if ((def = NCONF_get_string(req_conf, attr_sect, buf))
1091 BIO_snprintf(buf, sizeof buf, "%s_value", type);
1092 if ((value = NCONF_get_string(req_conf, attr_sect, buf))
1098 BIO_snprintf(buf, sizeof buf, "%s_min", type);
1099 if (!NCONF_get_number(req_conf, attr_sect, buf, &n_min)) {
1104 BIO_snprintf(buf, sizeof buf, "%s_max", type);
1105 if (!NCONF_get_number(req_conf, attr_sect, buf, &n_max)) {
1110 if (!add_attribute_object(req,
1111 v->value, def, value, nid, n_min,
1117 BIO_printf(bio_err, "No template, please set one up.\n");
1125 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
1126 STACK_OF(CONF_VALUE) *attr_sk, int attribs,
1127 unsigned long chtype)
1129 int i, spec_char, plus_char;
1135 subj = X509_REQ_get_subject_name(req);
1137 for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++) {
1139 v = sk_CONF_VALUE_value(dn_sk, i);
1143 * Skip past any leading X. X: X, etc to allow for multiple instances
1145 for (p = v->name; *p; p++) {
1146 #ifndef CHARSET_EBCDIC
1147 spec_char = ((*p == ':') || (*p == ',') || (*p == '.'));
1149 spec_char = ((*p == os_toascii[':']) || (*p == os_toascii[','])
1150 || (*p == os_toascii['.']));
1159 #ifndef CHARSET_EBCDIC
1160 plus_char = (*p == '+');
1162 plus_char = (*p == os_toascii['+']);
1169 if (!X509_NAME_add_entry_by_txt(subj, type, chtype,
1170 (unsigned char *)v->value, -1, -1,
1176 if (!X509_NAME_entry_count(subj)) {
1177 BIO_printf(bio_err, "error, no objects specified in config file\n");
1181 for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++) {
1182 v = sk_CONF_VALUE_value(attr_sk, i);
1183 if (!X509_REQ_add1_attr_by_txt(req, v->name, chtype,
1184 (unsigned char *)v->value, -1))
1191 static int add_DN_object(X509_NAME *n, char *text, const char *def,
1192 char *value, int nid, int n_min, int n_max,
1193 unsigned long chtype, int mval)
1199 BIO_printf(bio_err, "%s [%s]:", text, def);
1200 (void)BIO_flush(bio_err);
1201 if (value != NULL) {
1202 OPENSSL_strlcpy(buf, value, sizeof buf);
1203 OPENSSL_strlcat(buf, "\n", sizeof buf);
1204 BIO_printf(bio_err, "%s\n", value);
1208 if (!fgets(buf, sizeof buf, stdin))
1218 else if (buf[0] == '\n') {
1219 if ((def == NULL) || (def[0] == '\0'))
1221 OPENSSL_strlcpy(buf, def, sizeof buf);
1222 OPENSSL_strlcat(buf, "\n", sizeof buf);
1223 } else if ((buf[0] == '.') && (buf[1] == '\n'))
1227 if (buf[i - 1] != '\n') {
1228 BIO_printf(bio_err, "weird input :-(\n");
1232 #ifdef CHARSET_EBCDIC
1233 ebcdic2ascii(buf, buf, i);
1235 if (!req_check_len(i, n_min, n_max)) {
1241 if (!X509_NAME_add_entry_by_NID(n, nid, chtype,
1242 (unsigned char *)buf, -1, -1, mval))
1249 static int add_attribute_object(X509_REQ *req, char *text, const char *def,
1250 char *value, int nid, int n_min,
1251 int n_max, unsigned long chtype)
1254 static char buf[1024];
1258 BIO_printf(bio_err, "%s [%s]:", text, def);
1259 (void)BIO_flush(bio_err);
1260 if (value != NULL) {
1261 OPENSSL_strlcpy(buf, value, sizeof buf);
1262 OPENSSL_strlcat(buf, "\n", sizeof buf);
1263 BIO_printf(bio_err, "%s\n", value);
1267 if (!fgets(buf, sizeof buf, stdin))
1277 else if (buf[0] == '\n') {
1278 if ((def == NULL) || (def[0] == '\0'))
1280 OPENSSL_strlcpy(buf, def, sizeof buf);
1281 OPENSSL_strlcat(buf, "\n", sizeof buf);
1282 } else if ((buf[0] == '.') && (buf[1] == '\n'))
1286 if (buf[i - 1] != '\n') {
1287 BIO_printf(bio_err, "weird input :-(\n");
1291 #ifdef CHARSET_EBCDIC
1292 ebcdic2ascii(buf, buf, i);
1294 if (!req_check_len(i, n_min, n_max)) {
1300 if (!X509_REQ_add1_attr_by_NID(req, nid, chtype,
1301 (unsigned char *)buf, -1)) {
1302 BIO_printf(bio_err, "Error adding attribute\n");
1303 ERR_print_errors(bio_err);
1312 static int req_check_len(int len, int n_min, int n_max)
1314 if ((n_min > 0) && (len < n_min)) {
1316 "string is too short, it needs to be at least %d bytes long\n",
1320 if ((n_max >= 0) && (len > n_max)) {
1322 "string is too long, it needs to be less than %d bytes long\n",
1329 /* Check if the end of a string matches 'end' */
1330 static int check_end(const char *str, const char *end)
1338 tmp = str + slen - elen;
1339 return strcmp(tmp, end);
1342 static EVP_PKEY_CTX *set_keygen_ctx(const char *gstr,
1343 int *pkey_type, long *pkeylen,
1344 char **palgnam, ENGINE *keygen_engine)
1346 EVP_PKEY_CTX *gctx = NULL;
1347 EVP_PKEY *param = NULL;
1350 const char *paramfile = NULL;
1353 *pkey_type = EVP_PKEY_RSA;
1355 } else if (gstr[0] >= '0' && gstr[0] <= '9') {
1356 *pkey_type = EVP_PKEY_RSA;
1357 keylen = atol(gstr);
1359 } else if (strncmp(gstr, "param:", 6) == 0)
1360 paramfile = gstr + 6;
1362 const char *p = strchr(gstr, ':');
1365 const EVP_PKEY_ASN1_METHOD *ameth;
1372 * The lookup of a the string will cover all engines so keep a note
1373 * of the implementation.
1376 ameth = EVP_PKEY_asn1_find_str(&tmpeng, gstr, len);
1379 BIO_printf(bio_err, "Unknown algorithm %.*s\n", len, gstr);
1383 EVP_PKEY_asn1_get0_info(NULL, pkey_type, NULL, NULL, NULL, ameth);
1384 #ifndef OPENSSL_NO_ENGINE
1385 ENGINE_finish(tmpeng);
1387 if (*pkey_type == EVP_PKEY_RSA) {
1389 keylen = atol(p + 1);
1398 pbio = BIO_new_file(paramfile, "r");
1400 BIO_printf(bio_err, "Can't open parameter file %s\n", paramfile);
1403 param = PEM_read_bio_Parameters(pbio, NULL);
1407 (void)BIO_reset(pbio);
1408 x = PEM_read_bio_X509(pbio, NULL, NULL, NULL);
1410 param = X509_get_pubkey(x);
1418 BIO_printf(bio_err, "Error reading parameter file %s\n", paramfile);
1421 if (*pkey_type == -1)
1422 *pkey_type = EVP_PKEY_id(param);
1423 else if (*pkey_type != EVP_PKEY_base_id(param)) {
1424 BIO_printf(bio_err, "Key Type does not match parameters\n");
1425 EVP_PKEY_free(param);
1431 const EVP_PKEY_ASN1_METHOD *ameth;
1434 ameth = EVP_PKEY_asn1_find(&tmpeng, *pkey_type);
1436 BIO_puts(bio_err, "Internal error: can't find key algorithm\n");
1439 EVP_PKEY_asn1_get0_info(NULL, NULL, NULL, NULL, &anam, ameth);
1440 *palgnam = OPENSSL_strdup(anam);
1441 #ifndef OPENSSL_NO_ENGINE
1442 ENGINE_finish(tmpeng);
1447 gctx = EVP_PKEY_CTX_new(param, keygen_engine);
1448 *pkeylen = EVP_PKEY_bits(param);
1449 EVP_PKEY_free(param);
1451 gctx = EVP_PKEY_CTX_new_id(*pkey_type, keygen_engine);
1454 BIO_puts(bio_err, "Error allocating keygen context\n");
1455 ERR_print_errors(bio_err);
1459 if (EVP_PKEY_keygen_init(gctx) <= 0) {
1460 BIO_puts(bio_err, "Error initializing keygen context\n");
1461 ERR_print_errors(bio_err);
1462 EVP_PKEY_CTX_free(gctx);
1465 #ifndef OPENSSL_NO_RSA
1466 if ((*pkey_type == EVP_PKEY_RSA) && (keylen != -1)) {
1467 if (EVP_PKEY_CTX_set_rsa_keygen_bits(gctx, keylen) <= 0) {
1468 BIO_puts(bio_err, "Error setting RSA keysize\n");
1469 ERR_print_errors(bio_err);
1470 EVP_PKEY_CTX_free(gctx);
1479 static int genpkey_cb(EVP_PKEY_CTX *ctx)
1482 BIO *b = EVP_PKEY_CTX_get_app_data(ctx);
1484 p = EVP_PKEY_CTX_get_keygen_info(ctx, 0);
1493 BIO_write(b, &c, 1);
1498 static int do_sign_init(EVP_MD_CTX *ctx, EVP_PKEY *pkey,
1499 const EVP_MD *md, STACK_OF(OPENSSL_STRING) *sigopts)
1501 EVP_PKEY_CTX *pkctx = NULL;
1506 if (!EVP_DigestSignInit(ctx, &pkctx, md, NULL, pkey))
1508 for (i = 0; i < sk_OPENSSL_STRING_num(sigopts); i++) {
1509 char *sigopt = sk_OPENSSL_STRING_value(sigopts, i);
1510 if (pkey_ctrl_string(pkctx, sigopt) <= 0) {
1511 BIO_printf(bio_err, "parameter error \"%s\"\n", sigopt);
1512 ERR_print_errors(bio_err);
1519 int do_X509_sign(X509 *x, EVP_PKEY *pkey, const EVP_MD *md,
1520 STACK_OF(OPENSSL_STRING) *sigopts)
1523 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
1525 rv = do_sign_init(mctx, pkey, md, sigopts);
1527 rv = X509_sign_ctx(x, mctx);
1528 EVP_MD_CTX_free(mctx);
1529 return rv > 0 ? 1 : 0;
1532 int do_X509_REQ_sign(X509_REQ *x, EVP_PKEY *pkey, const EVP_MD *md,
1533 STACK_OF(OPENSSL_STRING) *sigopts)
1536 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
1537 rv = do_sign_init(mctx, pkey, md, sigopts);
1539 rv = X509_REQ_sign_ctx(x, mctx);
1540 EVP_MD_CTX_free(mctx);
1541 return rv > 0 ? 1 : 0;
1544 int do_X509_CRL_sign(X509_CRL *x, EVP_PKEY *pkey, const EVP_MD *md,
1545 STACK_OF(OPENSSL_STRING) *sigopts)
1548 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
1549 rv = do_sign_init(mctx, pkey, md, sigopts);
1551 rv = X509_CRL_sign_ctx(x, mctx);
1552 EVP_MD_CTX_free(mctx);
1553 return rv > 0 ? 1 : 0;