2 * Copyright 1995-2019 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
17 #include <openssl/bio.h>
18 #include <openssl/evp.h>
19 #include <openssl/conf.h>
20 #include <openssl/err.h>
21 #include <openssl/asn1.h>
22 #include <openssl/x509.h>
23 #include <openssl/x509v3.h>
24 #include <openssl/objects.h>
25 #include <openssl/pem.h>
26 #include <openssl/bn.h>
27 #include <openssl/lhash.h>
28 #ifndef OPENSSL_NO_RSA
29 # include <openssl/rsa.h>
31 #ifndef OPENSSL_NO_DSA
32 # include <openssl/dsa.h>
37 #define BITS "default_bits"
38 #define KEYFILE "default_keyfile"
39 #define PROMPT "prompt"
40 #define DISTINGUISHED_NAME "distinguished_name"
41 #define ATTRIBUTES "attributes"
42 #define V3_EXTENSIONS "x509_extensions"
43 #define REQ_EXTENSIONS "req_extensions"
44 #define STRING_MASK "string_mask"
45 #define UTF8_IN "utf8"
47 #define DEFAULT_KEY_LENGTH 2048
48 #define MIN_KEY_LENGTH 512
50 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *dn, int mutlirdn,
51 int attribs, unsigned long chtype);
52 static int build_subject(X509_REQ *req, const char *subj, unsigned long chtype,
54 static int prompt_info(X509_REQ *req,
55 STACK_OF(CONF_VALUE) *dn_sk, const char *dn_sect,
56 STACK_OF(CONF_VALUE) *attr_sk, const char *attr_sect,
57 int attribs, unsigned long chtype);
58 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *sk,
59 STACK_OF(CONF_VALUE) *attr, int attribs,
60 unsigned long chtype);
61 static int add_attribute_object(X509_REQ *req, char *text, const char *def,
62 char *value, int nid, int n_min, int n_max,
63 unsigned long chtype);
64 static int add_DN_object(X509_NAME *n, char *text, const char *def,
65 char *value, int nid, int n_min, int n_max,
66 unsigned long chtype, int mval);
67 static int genpkey_cb(EVP_PKEY_CTX *ctx);
68 static int build_data(char *text, const char *def,
69 char *value, int n_min, int n_max,
70 char *buf, const int buf_size,
71 const char *desc1, const char *desc2
73 static int req_check_len(int len, int n_min, int n_max);
74 static int check_end(const char *str, const char *end);
75 static int join(char buf[], size_t buf_size, const char *name,
76 const char *tail, const char *desc);
77 static EVP_PKEY_CTX *set_keygen_ctx(const char *gstr,
78 int *pkey_type, long *pkeylen,
79 char **palgnam, ENGINE *keygen_engine);
80 static CONF *req_conf = NULL;
81 static CONF *addext_conf = NULL;
84 typedef enum OPTION_choice {
85 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
86 OPT_INFORM, OPT_OUTFORM, OPT_ENGINE, OPT_KEYGEN_ENGINE, OPT_KEY,
87 OPT_PUBKEY, OPT_NEW, OPT_CONFIG, OPT_KEYFORM, OPT_IN, OPT_OUT,
88 OPT_KEYOUT, OPT_PASSIN, OPT_PASSOUT, OPT_NEWKEY,
89 OPT_PKEYOPT, OPT_SIGOPT, OPT_BATCH, OPT_NEWHDR, OPT_MODULUS,
90 OPT_VERIFY, OPT_NODES, OPT_NOOUT, OPT_VERBOSE, OPT_UTF8,
91 OPT_NAMEOPT, OPT_REQOPT, OPT_SUBJ, OPT_SUBJECT, OPT_TEXT, OPT_X509,
92 OPT_MULTIVALUE_RDN, OPT_DAYS, OPT_SET_SERIAL, OPT_ADDEXT, OPT_EXTENSIONS,
93 OPT_REQEXTS, OPT_PRECERT, OPT_MD,
97 const OPTIONS req_options[] = {
98 {"help", OPT_HELP, '-', "Display this summary"},
99 {"inform", OPT_INFORM, 'F', "Input format - DER or PEM"},
100 {"outform", OPT_OUTFORM, 'F', "Output format - DER or PEM"},
101 {"in", OPT_IN, '<', "Input file"},
102 {"out", OPT_OUT, '>', "Output file"},
103 {"key", OPT_KEY, 's', "Private key to use"},
104 {"keyform", OPT_KEYFORM, 'f', "Key file format"},
105 {"pubkey", OPT_PUBKEY, '-', "Output public key"},
106 {"new", OPT_NEW, '-', "New request"},
107 {"config", OPT_CONFIG, '<', "Request template file"},
108 {"keyout", OPT_KEYOUT, '>', "File to send the key to"},
109 {"passin", OPT_PASSIN, 's', "Private key password source"},
110 {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"},
112 {"newkey", OPT_NEWKEY, 's', "Specify as type:bits"},
113 {"pkeyopt", OPT_PKEYOPT, 's', "Public key options as opt:value"},
114 {"sigopt", OPT_SIGOPT, 's', "Signature parameter in n:v form"},
115 {"batch", OPT_BATCH, '-',
116 "Do not ask anything during request generation"},
117 {"newhdr", OPT_NEWHDR, '-', "Output \"NEW\" in the header lines"},
118 {"modulus", OPT_MODULUS, '-', "RSA modulus"},
119 {"verify", OPT_VERIFY, '-', "Verify signature on REQ"},
120 {"nodes", OPT_NODES, '-', "Don't encrypt the output key"},
121 {"noout", OPT_NOOUT, '-', "Do not output REQ"},
122 {"verbose", OPT_VERBOSE, '-', "Verbose output"},
123 {"utf8", OPT_UTF8, '-', "Input characters are UTF8 (default ASCII)"},
124 {"nameopt", OPT_NAMEOPT, 's', "Various certificate name options"},
125 {"reqopt", OPT_REQOPT, 's', "Various request text options"},
126 {"text", OPT_TEXT, '-', "Text form of request"},
127 {"x509", OPT_X509, '-',
128 "Output a x509 structure instead of a cert request"},
129 {OPT_MORE_STR, 1, 1, "(Required by some CA's)"},
130 {"subj", OPT_SUBJ, 's', "Set or modify request subject"},
131 {"subject", OPT_SUBJECT, '-', "Output the request's subject"},
132 {"multivalue-rdn", OPT_MULTIVALUE_RDN, '-',
133 "Enable support for multivalued RDNs"},
134 {"days", OPT_DAYS, 'p', "Number of days cert is valid for"},
135 {"set_serial", OPT_SET_SERIAL, 's', "Serial number to use"},
136 {"addext", OPT_ADDEXT, 's',
137 "Additional cert extension key=value pair (may be given more than once)"},
138 {"extensions", OPT_EXTENSIONS, 's',
139 "Cert extension section (override value in config file)"},
140 {"reqexts", OPT_REQEXTS, 's',
141 "Request extension section (override value in config file)"},
142 {"precert", OPT_PRECERT, '-', "Add a poison extension (implies -new)"},
143 {"", OPT_MD, '-', "Any supported digest"},
144 #ifndef OPENSSL_NO_ENGINE
145 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
146 {"keygen_engine", OPT_KEYGEN_ENGINE, 's',
147 "Specify engine to be used for key generation operations"},
154 * An LHASH of strings, where each string is an extension name.
156 static unsigned long ext_name_hash(const OPENSSL_STRING *a)
158 return OPENSSL_LH_strhash((const char *)a);
161 static int ext_name_cmp(const OPENSSL_STRING *a, const OPENSSL_STRING *b)
163 return strcmp((const char *)a, (const char *)b);
166 static void exts_cleanup(OPENSSL_STRING *x)
168 OPENSSL_free((char *)x);
172 * Is the |kv| key already duplicated? This is remarkably tricky to get
173 * right. Return 0 if unique, -1 on runtime error; 1 if found or a syntax
176 static int duplicated(LHASH_OF(OPENSSL_STRING) *addexts, char *kv)
182 /* Skip leading whitespace, make a copy. */
183 while (*kv && isspace(*kv))
186 if ((p = strchr(kv, '=')) == NULL)
189 if ((kv = OPENSSL_strdup(kv)) == NULL)
192 /* Skip trailing space before the equal sign. */
193 for (p = kv + off; p > kv; --p)
202 /* Finally have a clean "key"; see if it's there [by attempt to add it]. */
203 p = (char *)lh_OPENSSL_STRING_insert(addexts, (OPENSSL_STRING*)kv);
207 } else if (lh_OPENSSL_STRING_error(addexts)) {
215 int req_main(int argc, char **argv)
217 ASN1_INTEGER *serial = NULL;
218 BIO *in = NULL, *out = NULL;
219 ENGINE *e = NULL, *gen_eng = NULL;
220 EVP_PKEY *pkey = NULL;
221 EVP_PKEY_CTX *genctx = NULL;
222 STACK_OF(OPENSSL_STRING) *pkeyopts = NULL, *sigopts = NULL;
223 LHASH_OF(OPENSSL_STRING) *addexts = NULL;
225 X509_REQ *req = NULL;
226 const EVP_CIPHER *cipher = NULL;
227 const EVP_MD *md_alg = NULL, *digest = NULL;
228 BIO *addext_bio = NULL;
229 char *extensions = NULL, *infile = NULL;
230 char *outfile = NULL, *keyfile = NULL;
231 char *keyalgstr = NULL, *p, *prog, *passargin = NULL, *passargout = NULL;
232 char *passin = NULL, *passout = NULL;
233 char *nofree_passin = NULL, *nofree_passout = NULL;
234 char *req_exts = NULL, *subj = NULL;
235 char *template = default_config_file, *keyout = NULL;
236 const char *keyalg = NULL;
238 int ret = 1, x509 = 0, days = 0, i = 0, newreq = 0, verbose = 0;
239 int pkey_type = -1, private = 0;
240 int informat = FORMAT_PEM, outformat = FORMAT_PEM, keyform = FORMAT_PEM;
241 int modulus = 0, multirdn = 0, verify = 0, noout = 0, text = 0;
242 int nodes = 0, newhdr = 0, subject = 0, pubkey = 0, precert = 0;
244 unsigned long chtype = MBSTRING_ASC, reqflag = 0;
246 #ifndef OPENSSL_NO_DES
247 cipher = EVP_des_ede3_cbc();
250 prog = opt_init(argc, argv, req_options);
251 while ((o = opt_next()) != OPT_EOF) {
256 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
259 opt_help(req_options);
263 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &informat))
267 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat))
271 e = setup_engine(opt_arg(), 0);
273 case OPT_KEYGEN_ENGINE:
274 #ifndef OPENSSL_NO_ENGINE
275 gen_eng = ENGINE_by_id(opt_arg());
276 if (gen_eng == NULL) {
277 BIO_printf(bio_err, "Can't find keygen engine %s\n", *argv);
292 template = opt_arg();
295 if (!opt_format(opt_arg(), OPT_FMT_ANY, &keyform))
308 passargin = opt_arg();
311 passargout = opt_arg();
323 pkeyopts = sk_OPENSSL_STRING_new_null();
324 if (!pkeyopts || !sk_OPENSSL_STRING_push(pkeyopts, opt_arg()))
329 sigopts = sk_OPENSSL_STRING_new_null();
330 if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, opt_arg()))
355 chtype = MBSTRING_UTF8;
358 if (!set_nameopt(opt_arg()))
362 if (!set_cert_ex(&reqflag, opt_arg()))
372 days = atoi(opt_arg());
375 if (serial != NULL) {
376 BIO_printf(bio_err, "Serial number supplied twice\n");
379 serial = s2i_ASN1_INTEGER(NULL, opt_arg());
389 case OPT_MULTIVALUE_RDN:
394 if (addexts == NULL) {
395 addexts = lh_OPENSSL_STRING_new(ext_name_hash, ext_name_cmp);
396 addext_bio = BIO_new(BIO_s_mem());
397 if (addexts == NULL || addext_bio == NULL)
400 i = duplicated(addexts, p);
403 if (i < 0 || BIO_printf(addext_bio, "%s\n", opt_arg()) < 0)
407 extensions = opt_arg();
410 req_exts = opt_arg();
413 newreq = precert = 1;
416 if (!opt_md(opt_unknown(), &md_alg))
422 argc = opt_num_rest();
427 BIO_printf(bio_err, "Ignoring -days; not generating a certificate\n");
428 if (x509 && infile == NULL)
431 /* TODO: simplify this as pkey is still always NULL here */
432 private = newreq && (pkey == NULL) ? 1 : 0;
434 if (!app_passwd(passargin, passargout, &passin, &passout)) {
435 BIO_printf(bio_err, "Error getting passwords\n");
440 BIO_printf(bio_err, "Using configuration from %s\n", template);
441 if ((req_conf = app_load_config(template)) == NULL)
446 "Using additional configuration from command line\n");
447 if ((addext_conf = app_load_config_bio(addext_bio, NULL)) == NULL)
450 if (template != default_config_file && !app_load_modules(req_conf))
453 if (req_conf != NULL) {
454 p = NCONF_get_string(req_conf, NULL, "oid_file");
460 oid_bio = BIO_new_file(p, "r");
461 if (oid_bio == NULL) {
463 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
464 ERR_print_errors(bio_err);
467 OBJ_create_objects(oid_bio);
472 if (!add_oid_section(req_conf))
475 if (md_alg == NULL) {
476 p = NCONF_get_string(req_conf, SECTION, "default_md");
480 if (!opt_md(p, &md_alg))
486 if (extensions == NULL) {
487 extensions = NCONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
488 if (extensions == NULL)
491 if (extensions != NULL) {
492 /* Check syntax of file */
494 X509V3_set_ctx_test(&ctx);
495 X509V3_set_nconf(&ctx, req_conf);
496 if (!X509V3_EXT_add_nconf(req_conf, &ctx, extensions, NULL)) {
498 "Error Loading extension section %s\n", extensions);
502 if (addext_conf != NULL) {
503 /* Check syntax of command line extensions */
505 X509V3_set_ctx_test(&ctx);
506 X509V3_set_nconf(&ctx, addext_conf);
507 if (!X509V3_EXT_add_nconf(addext_conf, &ctx, "default", NULL)) {
508 BIO_printf(bio_err, "Error Loading command line extensions\n");
513 if (passin == NULL) {
514 passin = nofree_passin =
515 NCONF_get_string(req_conf, SECTION, "input_password");
520 if (passout == NULL) {
521 passout = nofree_passout =
522 NCONF_get_string(req_conf, SECTION, "output_password");
527 p = NCONF_get_string(req_conf, SECTION, STRING_MASK);
531 if (p != NULL && !ASN1_STRING_set_default_mask_asc(p)) {
532 BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
536 if (chtype != MBSTRING_UTF8) {
537 p = NCONF_get_string(req_conf, SECTION, UTF8_IN);
540 else if (strcmp(p, "yes") == 0)
541 chtype = MBSTRING_UTF8;
544 if (req_exts == NULL) {
545 req_exts = NCONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
546 if (req_exts == NULL)
549 if (req_exts != NULL) {
550 /* Check syntax of file */
552 X509V3_set_ctx_test(&ctx);
553 X509V3_set_nconf(&ctx, req_conf);
554 if (!X509V3_EXT_add_nconf(req_conf, &ctx, req_exts, NULL)) {
556 "Error Loading request extension section %s\n",
562 if (keyfile != NULL) {
563 pkey = load_key(keyfile, keyform, 0, passin, e, "Private Key");
565 /* load_key() has already printed an appropriate message */
568 app_RAND_load_conf(req_conf, SECTION);
572 if (newreq && (pkey == NULL)) {
573 app_RAND_load_conf(req_conf, SECTION);
575 if (!NCONF_get_number(req_conf, SECTION, BITS, &newkey)) {
576 newkey = DEFAULT_KEY_LENGTH;
579 if (keyalg != NULL) {
580 genctx = set_keygen_ctx(keyalg, &pkey_type, &newkey,
581 &keyalgstr, gen_eng);
586 if (newkey < MIN_KEY_LENGTH
587 && (pkey_type == EVP_PKEY_RSA || pkey_type == EVP_PKEY_DSA)) {
588 BIO_printf(bio_err, "private key length is too short,\n");
589 BIO_printf(bio_err, "it needs to be at least %d bits, not %ld\n",
590 MIN_KEY_LENGTH, newkey);
594 if (pkey_type == EVP_PKEY_RSA && newkey > OPENSSL_RSA_MAX_MODULUS_BITS)
596 "Warning: It is not recommended to use more than %d bit for RSA keys.\n"
597 " Your key size is %ld! Larger key size may behave not as expected.\n",
598 OPENSSL_RSA_MAX_MODULUS_BITS, newkey);
600 #ifndef OPENSSL_NO_DSA
601 if (pkey_type == EVP_PKEY_DSA && newkey > OPENSSL_DSA_MAX_MODULUS_BITS)
603 "Warning: It is not recommended to use more than %d bit for DSA keys.\n"
604 " Your key size is %ld! Larger key size may behave not as expected.\n",
605 OPENSSL_DSA_MAX_MODULUS_BITS, newkey);
608 if (genctx == NULL) {
609 genctx = set_keygen_ctx(NULL, &pkey_type, &newkey,
610 &keyalgstr, gen_eng);
615 if (pkeyopts != NULL) {
617 for (i = 0; i < sk_OPENSSL_STRING_num(pkeyopts); i++) {
618 genopt = sk_OPENSSL_STRING_value(pkeyopts, i);
619 if (pkey_ctrl_string(genctx, genopt) <= 0) {
620 BIO_printf(bio_err, "parameter error \"%s\"\n", genopt);
621 ERR_print_errors(bio_err);
627 if (pkey_type == EVP_PKEY_EC) {
628 BIO_printf(bio_err, "Generating an EC private key\n");
630 BIO_printf(bio_err, "Generating a %s private key\n", keyalgstr);
633 EVP_PKEY_CTX_set_cb(genctx, genpkey_cb);
634 EVP_PKEY_CTX_set_app_data(genctx, bio_err);
636 if (EVP_PKEY_keygen(genctx, &pkey) <= 0) {
637 BIO_puts(bio_err, "Error Generating Key\n");
641 EVP_PKEY_CTX_free(genctx);
644 if (keyout == NULL) {
645 keyout = NCONF_get_string(req_conf, SECTION, KEYFILE);
651 BIO_printf(bio_err, "writing new private key to stdout\n");
653 BIO_printf(bio_err, "writing new private key to '%s'\n", keyout);
654 out = bio_open_owner(keyout, outformat, private);
658 p = NCONF_get_string(req_conf, SECTION, "encrypt_rsa_key");
661 p = NCONF_get_string(req_conf, SECTION, "encrypt_key");
665 if ((p != NULL) && (strcmp(p, "no") == 0))
673 if (!PEM_write_bio_PrivateKey(out, pkey, cipher,
674 NULL, 0, NULL, passout)) {
675 if ((ERR_GET_REASON(ERR_peek_error()) ==
676 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3)) {
685 BIO_printf(bio_err, "-----\n");
689 in = bio_open_default(infile, 'r', informat);
693 if (informat == FORMAT_ASN1)
694 req = d2i_X509_REQ_bio(in, NULL);
696 req = PEM_read_bio_X509_REQ(in, NULL, NULL, NULL);
698 BIO_printf(bio_err, "unable to load X509 request\n");
703 if (newreq || x509) {
705 BIO_printf(bio_err, "you need to specify a private key\n");
710 req = X509_REQ_new();
715 i = make_REQ(req, pkey, subj, multirdn, !x509, chtype);
716 subj = NULL; /* done processing '-subj' option */
718 BIO_printf(bio_err, "problems making Certificate Request\n");
725 if ((x509ss = X509_new()) == NULL)
728 /* Set version to V3 */
729 if ((extensions != NULL || addext_conf != NULL)
730 && !X509_set_version(x509ss, 2))
732 if (serial != NULL) {
733 if (!X509_set_serialNumber(x509ss, serial))
736 if (!rand_serial(NULL, X509_get_serialNumber(x509ss)))
740 if (!X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req)))
743 /* set default days if it's not specified */
746 if (!set_cert_times(x509ss, NULL, NULL, days))
748 if (!X509_set_subject_name
749 (x509ss, X509_REQ_get_subject_name(req)))
751 tmppkey = X509_REQ_get0_pubkey(req);
752 if (!tmppkey || !X509_set_pubkey(x509ss, tmppkey))
755 /* Set up V3 context struct */
757 X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
758 X509V3_set_nconf(&ext_ctx, req_conf);
761 if (extensions != NULL && !X509V3_EXT_add_nconf(req_conf,
762 &ext_ctx, extensions,
764 BIO_printf(bio_err, "Error Loading extension section %s\n",
768 if (addext_conf != NULL
769 && !X509V3_EXT_add_nconf(addext_conf, &ext_ctx, "default",
771 BIO_printf(bio_err, "Error Loading command line extensions\n");
775 /* If a pre-cert was requested, we need to add a poison extension */
777 if (X509_add1_ext_i2d(x509ss, NID_ct_precert_poison, NULL, 1, 0)
779 BIO_printf(bio_err, "Error adding poison extension\n");
784 i = do_X509_sign(x509ss, pkey, digest, sigopts);
786 ERR_print_errors(bio_err);
792 /* Set up V3 context struct */
794 X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
795 X509V3_set_nconf(&ext_ctx, req_conf);
799 && !X509V3_EXT_REQ_add_nconf(req_conf, &ext_ctx,
801 BIO_printf(bio_err, "Error Loading extension section %s\n",
805 if (addext_conf != NULL
806 && !X509V3_EXT_REQ_add_nconf(addext_conf, &ext_ctx, "default",
808 BIO_printf(bio_err, "Error Loading command line extensions\n");
811 i = do_X509_REQ_sign(req, pkey, digest, sigopts);
813 ERR_print_errors(bio_err);
820 BIO_printf(bio_err, "Cannot modify certificate subject\n");
826 BIO_printf(bio_err, "Modifying Request's Subject\n");
827 print_name(bio_err, "old subject=",
828 X509_REQ_get_subject_name(req), get_nameopt());
831 if (build_subject(req, subj, chtype, multirdn) == 0) {
832 BIO_printf(bio_err, "ERROR: cannot modify subject\n");
838 print_name(bio_err, "new subject=",
839 X509_REQ_get_subject_name(req), get_nameopt());
843 if (verify && !x509) {
844 EVP_PKEY *tpubkey = pkey;
846 if (tpubkey == NULL) {
847 tpubkey = X509_REQ_get0_pubkey(req);
852 i = X509_REQ_verify(req, tpubkey);
857 BIO_printf(bio_err, "verify failure\n");
858 ERR_print_errors(bio_err);
859 } else { /* if (i > 0) */
860 BIO_printf(bio_err, "verify OK\n");
864 if (noout && !text && !modulus && !subject && !pubkey) {
869 out = bio_open_default(outfile,
870 keyout != NULL && outfile != NULL &&
871 strcmp(keyout, outfile) == 0 ? 'a' : 'w',
877 EVP_PKEY *tpubkey = X509_REQ_get0_pubkey(req);
879 if (tpubkey == NULL) {
880 BIO_printf(bio_err, "Error getting public key\n");
881 ERR_print_errors(bio_err);
884 PEM_write_bio_PUBKEY(out, tpubkey);
889 ret = X509_print_ex(out, x509ss, get_nameopt(), reqflag);
891 ret = X509_REQ_print_ex(out, req, get_nameopt(), reqflag);
895 BIO_printf(bio_err, "Error printing certificate\n");
897 BIO_printf(bio_err, "Error printing certificate request\n");
899 ERR_print_errors(bio_err);
906 print_name(out, "subject=", X509_get_subject_name(x509ss),
909 print_name(out, "subject=", X509_REQ_get_subject_name(req),
917 tpubkey = X509_get0_pubkey(x509ss);
919 tpubkey = X509_REQ_get0_pubkey(req);
920 if (tpubkey == NULL) {
921 fprintf(stdout, "Modulus=unavailable\n");
924 fprintf(stdout, "Modulus=");
925 #ifndef OPENSSL_NO_RSA
926 if (EVP_PKEY_base_id(tpubkey) == EVP_PKEY_RSA) {
928 RSA_get0_key(EVP_PKEY_get0_RSA(tpubkey), &n, NULL, NULL);
932 fprintf(stdout, "Wrong Algorithm type");
933 fprintf(stdout, "\n");
936 if (!noout && !x509) {
937 if (outformat == FORMAT_ASN1)
938 i = i2d_X509_REQ_bio(out, req);
940 i = PEM_write_bio_X509_REQ_NEW(out, req);
942 i = PEM_write_bio_X509_REQ(out, req);
944 BIO_printf(bio_err, "unable to write X509 request\n");
948 if (!noout && x509 && (x509ss != NULL)) {
949 if (outformat == FORMAT_ASN1)
950 i = i2d_X509_bio(out, x509ss);
952 i = PEM_write_bio_X509(out, x509ss);
954 BIO_printf(bio_err, "unable to write X509 certificate\n");
961 ERR_print_errors(bio_err);
963 NCONF_free(req_conf);
964 NCONF_free(addext_conf);
965 BIO_free(addext_bio);
969 EVP_PKEY_CTX_free(genctx);
970 sk_OPENSSL_STRING_free(pkeyopts);
971 sk_OPENSSL_STRING_free(sigopts);
972 lh_OPENSSL_STRING_doall(addexts, exts_cleanup);
973 lh_OPENSSL_STRING_free(addexts);
974 #ifndef OPENSSL_NO_ENGINE
975 ENGINE_free(gen_eng);
977 OPENSSL_free(keyalgstr);
980 ASN1_INTEGER_free(serial);
982 if (passin != nofree_passin)
983 OPENSSL_free(passin);
984 if (passout != nofree_passout)
985 OPENSSL_free(passout);
989 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *subj, int multirdn,
990 int attribs, unsigned long chtype)
994 STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL;
995 char *tmp, *dn_sect, *attr_sect;
997 tmp = NCONF_get_string(req_conf, SECTION, PROMPT);
1000 if ((tmp != NULL) && strcmp(tmp, "no") == 0)
1003 dn_sect = NCONF_get_string(req_conf, SECTION, DISTINGUISHED_NAME);
1004 if (dn_sect == NULL) {
1005 BIO_printf(bio_err, "unable to find '%s' in config\n",
1006 DISTINGUISHED_NAME);
1009 dn_sk = NCONF_get_section(req_conf, dn_sect);
1010 if (dn_sk == NULL) {
1011 BIO_printf(bio_err, "unable to get '%s' section\n", dn_sect);
1015 attr_sect = NCONF_get_string(req_conf, SECTION, ATTRIBUTES);
1016 if (attr_sect == NULL) {
1020 attr_sk = NCONF_get_section(req_conf, attr_sect);
1021 if (attr_sk == NULL) {
1022 BIO_printf(bio_err, "unable to get '%s' section\n", attr_sect);
1027 /* setup version number */
1028 if (!X509_REQ_set_version(req, 0L))
1029 goto err; /* version 1 */
1032 i = build_subject(req, subj, chtype, multirdn);
1034 i = auto_info(req, dn_sk, attr_sk, attribs, chtype);
1036 i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs,
1041 if (!X509_REQ_set_pubkey(req, pkey))
1050 * subject is expected to be in the format /type0=value0/type1=value1/type2=...
1051 * where characters may be escaped by \
1053 static int build_subject(X509_REQ *req, const char *subject, unsigned long chtype,
1058 if ((n = parse_name(subject, chtype, multirdn)) == NULL)
1061 if (!X509_REQ_set_subject_name(req, n)) {
1069 static int prompt_info(X509_REQ *req,
1070 STACK_OF(CONF_VALUE) *dn_sk, const char *dn_sect,
1071 STACK_OF(CONF_VALUE) *attr_sk, const char *attr_sect,
1072 int attribs, unsigned long chtype)
1083 subj = X509_REQ_get_subject_name(req);
1087 "You are about to be asked to enter information that will be incorporated\n");
1088 BIO_printf(bio_err, "into your certificate request.\n");
1090 "What you are about to enter is what is called a Distinguished Name or a DN.\n");
1092 "There are quite a few fields but you can leave some blank\n");
1094 "For some fields there will be a default value,\n");
1096 "If you enter '.', the field will be left blank.\n");
1097 BIO_printf(bio_err, "-----\n");
1100 if (sk_CONF_VALUE_num(dn_sk)) {
1105 if (sk_CONF_VALUE_num(dn_sk) <= i)
1108 v = sk_CONF_VALUE_value(dn_sk, i);
1111 if (!check_end(type, "_min") || !check_end(type, "_max") ||
1112 !check_end(type, "_default") || !check_end(type, "_value"))
1115 * Skip past any leading X. X: X, etc to allow for multiple
1118 for (p = v->name; *p; p++)
1119 if ((*p == ':') || (*p == ',') || (*p == '.')) {
1131 /* If OBJ not recognised ignore it */
1132 if ((nid = OBJ_txt2nid(type)) == NID_undef)
1134 if (!join(buf, sizeof(buf), v->name, "_default", "Name"))
1136 if ((def = NCONF_get_string(req_conf, dn_sect, buf)) == NULL) {
1141 if (!join(buf, sizeof(buf), v->name, "_value", "Name"))
1143 if ((value = NCONF_get_string(req_conf, dn_sect, buf)) == NULL) {
1148 if (!join(buf, sizeof(buf), v->name, "_min", "Name"))
1150 if (!NCONF_get_number(req_conf, dn_sect, buf, &n_min)) {
1156 if (!join(buf, sizeof(buf), v->name, "_max", "Name"))
1158 if (!NCONF_get_number(req_conf, dn_sect, buf, &n_max)) {
1163 if (!add_DN_object(subj, v->value, def, value, nid,
1164 n_min, n_max, chtype, mval))
1167 if (X509_NAME_entry_count(subj) == 0) {
1169 "error, no objects specified in config file\n");
1174 if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0)
1177 "\nPlease enter the following 'extra' attributes\n");
1179 "to be sent with your certificate request\n");
1186 if ((attr_sk == NULL) || (sk_CONF_VALUE_num(attr_sk) <= i))
1189 v = sk_CONF_VALUE_value(attr_sk, i);
1191 if ((nid = OBJ_txt2nid(type)) == NID_undef)
1194 if (!join(buf, sizeof(buf), type, "_default", "Name"))
1196 if ((def = NCONF_get_string(req_conf, attr_sect, buf))
1202 if (!join(buf, sizeof(buf), type, "_value", "Name"))
1204 if ((value = NCONF_get_string(req_conf, attr_sect, buf))
1210 if (!join(buf, sizeof(buf), type,"_min", "Name"))
1212 if (!NCONF_get_number(req_conf, attr_sect, buf, &n_min)) {
1217 if (!join(buf, sizeof(buf), type, "_max", "Name"))
1219 if (!NCONF_get_number(req_conf, attr_sect, buf, &n_max)) {
1224 if (!add_attribute_object(req,
1225 v->value, def, value, nid, n_min,
1231 BIO_printf(bio_err, "No template, please set one up.\n");
1239 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
1240 STACK_OF(CONF_VALUE) *attr_sk, int attribs,
1241 unsigned long chtype)
1243 int i, spec_char, plus_char;
1249 subj = X509_REQ_get_subject_name(req);
1251 for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++) {
1253 v = sk_CONF_VALUE_value(dn_sk, i);
1257 * Skip past any leading X. X: X, etc to allow for multiple instances
1259 for (p = v->name; *p; p++) {
1260 #ifndef CHARSET_EBCDIC
1261 spec_char = ((*p == ':') || (*p == ',') || (*p == '.'));
1263 spec_char = ((*p == os_toascii[':']) || (*p == os_toascii[','])
1264 || (*p == os_toascii['.']));
1273 #ifndef CHARSET_EBCDIC
1274 plus_char = (*type == '+');
1276 plus_char = (*type == os_toascii['+']);
1284 if (!X509_NAME_add_entry_by_txt(subj, type, chtype,
1285 (unsigned char *)v->value, -1, -1,
1291 if (!X509_NAME_entry_count(subj)) {
1292 BIO_printf(bio_err, "error, no objects specified in config file\n");
1296 for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++) {
1297 v = sk_CONF_VALUE_value(attr_sk, i);
1298 if (!X509_REQ_add1_attr_by_txt(req, v->name, chtype,
1299 (unsigned char *)v->value, -1))
1306 static int add_DN_object(X509_NAME *n, char *text, const char *def,
1307 char *value, int nid, int n_min, int n_max,
1308 unsigned long chtype, int mval)
1313 ret = build_data(text, def, value, n_min, n_max, buf, sizeof(buf),
1314 "DN value", "DN default");
1315 if ((ret == 0) || (ret == 1))
1319 if (!X509_NAME_add_entry_by_NID(n, nid, chtype,
1320 (unsigned char *)buf, -1, -1, mval))
1326 static int add_attribute_object(X509_REQ *req, char *text, const char *def,
1327 char *value, int nid, int n_min,
1328 int n_max, unsigned long chtype)
1333 ret = build_data(text, def, value, n_min, n_max, buf, sizeof(buf),
1334 "Attribute value", "Attribute default");
1335 if ((ret == 0) || (ret == 1))
1339 if (!X509_REQ_add1_attr_by_NID(req, nid, chtype,
1340 (unsigned char *)buf, -1)) {
1341 BIO_printf(bio_err, "Error adding attribute\n");
1342 ERR_print_errors(bio_err);
1350 static int build_data(char *text, const char *def,
1351 char *value, int n_min, int n_max,
1352 char *buf, const int buf_size,
1353 const char *desc1, const char *desc2
1359 BIO_printf(bio_err, "%s [%s]:", text, def);
1360 (void)BIO_flush(bio_err);
1361 if (value != NULL) {
1362 if (!join(buf, buf_size, value, "\n", desc1))
1364 BIO_printf(bio_err, "%s\n", value);
1368 if (!fgets(buf, buf_size, stdin))
1378 if (buf[0] == '\n') {
1379 if ((def == NULL) || (def[0] == '\0'))
1381 if (!join(buf, buf_size, def, "\n", desc2))
1383 } else if ((buf[0] == '.') && (buf[1] == '\n')) {
1388 if (buf[i - 1] != '\n') {
1389 BIO_printf(bio_err, "weird input :-(\n");
1393 #ifdef CHARSET_EBCDIC
1394 ebcdic2ascii(buf, buf, i);
1396 if (!req_check_len(i, n_min, n_max)) {
1404 static int req_check_len(int len, int n_min, int n_max)
1406 if ((n_min > 0) && (len < n_min)) {
1408 "string is too short, it needs to be at least %d bytes long\n",
1412 if ((n_max >= 0) && (len > n_max)) {
1414 "string is too long, it needs to be no more than %d bytes long\n",
1421 /* Check if the end of a string matches 'end' */
1422 static int check_end(const char *str, const char *end)
1431 tmp = str + slen - elen;
1432 return strcmp(tmp, end);
1436 * Merge the two strings together into the result buffer checking for
1437 * overflow and producing an error message if there is.
1439 static int join(char buf[], size_t buf_size, const char *name,
1440 const char *tail, const char *desc)
1442 const size_t name_len = strlen(name), tail_len = strlen(tail);
1444 if (name_len + tail_len + 1 > buf_size) {
1445 BIO_printf(bio_err, "%s '%s' too long\n", desc, name);
1448 memcpy(buf, name, name_len);
1449 memcpy(buf + name_len, tail, tail_len + 1);
1453 static EVP_PKEY_CTX *set_keygen_ctx(const char *gstr,
1454 int *pkey_type, long *pkeylen,
1455 char **palgnam, ENGINE *keygen_engine)
1457 EVP_PKEY_CTX *gctx = NULL;
1458 EVP_PKEY *param = NULL;
1461 const char *paramfile = NULL;
1464 *pkey_type = EVP_PKEY_RSA;
1466 } else if (gstr[0] >= '0' && gstr[0] <= '9') {
1467 *pkey_type = EVP_PKEY_RSA;
1468 keylen = atol(gstr);
1470 } else if (strncmp(gstr, "param:", 6) == 0) {
1471 paramfile = gstr + 6;
1473 const char *p = strchr(gstr, ':');
1476 const EVP_PKEY_ASN1_METHOD *ameth;
1483 * The lookup of a the string will cover all engines so keep a note
1484 * of the implementation.
1487 ameth = EVP_PKEY_asn1_find_str(&tmpeng, gstr, len);
1489 if (ameth == NULL) {
1490 BIO_printf(bio_err, "Unknown algorithm %.*s\n", len, gstr);
1494 EVP_PKEY_asn1_get0_info(NULL, pkey_type, NULL, NULL, NULL, ameth);
1495 #ifndef OPENSSL_NO_ENGINE
1496 ENGINE_finish(tmpeng);
1498 if (*pkey_type == EVP_PKEY_RSA) {
1500 keylen = atol(p + 1);
1505 } else if (p != NULL) {
1510 if (paramfile != NULL) {
1511 pbio = BIO_new_file(paramfile, "r");
1513 BIO_printf(bio_err, "Can't open parameter file %s\n", paramfile);
1516 param = PEM_read_bio_Parameters(pbio, NULL);
1518 if (param == NULL) {
1521 (void)BIO_reset(pbio);
1522 x = PEM_read_bio_X509(pbio, NULL, NULL, NULL);
1524 param = X509_get_pubkey(x);
1531 if (param == NULL) {
1532 BIO_printf(bio_err, "Error reading parameter file %s\n", paramfile);
1535 if (*pkey_type == -1) {
1536 *pkey_type = EVP_PKEY_id(param);
1537 } else if (*pkey_type != EVP_PKEY_base_id(param)) {
1538 BIO_printf(bio_err, "Key Type does not match parameters\n");
1539 EVP_PKEY_free(param);
1544 if (palgnam != NULL) {
1545 const EVP_PKEY_ASN1_METHOD *ameth;
1549 ameth = EVP_PKEY_asn1_find(&tmpeng, *pkey_type);
1550 if (ameth == NULL) {
1551 BIO_puts(bio_err, "Internal error: can't find key algorithm\n");
1554 EVP_PKEY_asn1_get0_info(NULL, NULL, NULL, NULL, &anam, ameth);
1555 *palgnam = OPENSSL_strdup(anam);
1556 #ifndef OPENSSL_NO_ENGINE
1557 ENGINE_finish(tmpeng);
1561 if (param != NULL) {
1562 gctx = EVP_PKEY_CTX_new(param, keygen_engine);
1563 *pkeylen = EVP_PKEY_bits(param);
1564 EVP_PKEY_free(param);
1566 gctx = EVP_PKEY_CTX_new_id(*pkey_type, keygen_engine);
1570 BIO_puts(bio_err, "Error allocating keygen context\n");
1571 ERR_print_errors(bio_err);
1575 if (EVP_PKEY_keygen_init(gctx) <= 0) {
1576 BIO_puts(bio_err, "Error initializing keygen context\n");
1577 ERR_print_errors(bio_err);
1578 EVP_PKEY_CTX_free(gctx);
1581 #ifndef OPENSSL_NO_RSA
1582 if ((*pkey_type == EVP_PKEY_RSA) && (keylen != -1)) {
1583 if (EVP_PKEY_CTX_set_rsa_keygen_bits(gctx, keylen) <= 0) {
1584 BIO_puts(bio_err, "Error setting RSA keysize\n");
1585 ERR_print_errors(bio_err);
1586 EVP_PKEY_CTX_free(gctx);
1595 static int genpkey_cb(EVP_PKEY_CTX *ctx)
1598 BIO *b = EVP_PKEY_CTX_get_app_data(ctx);
1600 p = EVP_PKEY_CTX_get_keygen_info(ctx, 0);
1609 BIO_write(b, &c, 1);
1614 static int do_sign_init(EVP_MD_CTX *ctx, EVP_PKEY *pkey,
1615 const EVP_MD *md, STACK_OF(OPENSSL_STRING) *sigopts)
1617 EVP_PKEY_CTX *pkctx = NULL;
1623 * EVP_PKEY_get_default_digest_nid() returns 2 if the digest is mandatory
1624 * for this algorithm.
1626 if (EVP_PKEY_get_default_digest_nid(pkey, &def_nid) == 2
1627 && def_nid == NID_undef) {
1628 /* The signing algorithm requires there to be no digest */
1631 if (!EVP_DigestSignInit(ctx, &pkctx, md, NULL, pkey))
1633 for (i = 0; i < sk_OPENSSL_STRING_num(sigopts); i++) {
1634 char *sigopt = sk_OPENSSL_STRING_value(sigopts, i);
1635 if (pkey_ctrl_string(pkctx, sigopt) <= 0) {
1636 BIO_printf(bio_err, "parameter error \"%s\"\n", sigopt);
1637 ERR_print_errors(bio_err);
1644 int do_X509_sign(X509 *x, EVP_PKEY *pkey, const EVP_MD *md,
1645 STACK_OF(OPENSSL_STRING) *sigopts)
1648 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
1650 rv = do_sign_init(mctx, pkey, md, sigopts);
1652 rv = X509_sign_ctx(x, mctx);
1653 EVP_MD_CTX_free(mctx);
1654 return rv > 0 ? 1 : 0;
1657 int do_X509_REQ_sign(X509_REQ *x, EVP_PKEY *pkey, const EVP_MD *md,
1658 STACK_OF(OPENSSL_STRING) *sigopts)
1661 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
1662 rv = do_sign_init(mctx, pkey, md, sigopts);
1664 rv = X509_REQ_sign_ctx(x, mctx);
1665 EVP_MD_CTX_free(mctx);
1666 return rv > 0 ? 1 : 0;
1669 int do_X509_CRL_sign(X509_CRL *x, EVP_PKEY *pkey, const EVP_MD *md,
1670 STACK_OF(OPENSSL_STRING) *sigopts)
1673 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
1674 rv = do_sign_init(mctx, pkey, md, sigopts);
1676 rv = X509_CRL_sign_ctx(x, mctx);
1677 EVP_MD_CTX_free(mctx);
1678 return rv > 0 ? 1 : 0;