2 * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (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
10 /* We need to use some engine deprecated APIs */
11 #define OPENSSL_SUPPRESS_DEPRECATED
20 #include <openssl/bio.h>
21 #include <openssl/evp.h>
22 #include <openssl/conf.h>
23 #include <openssl/err.h>
24 #include <openssl/asn1.h>
25 #include <openssl/x509.h>
26 #include <openssl/x509v3.h>
27 #include <openssl/objects.h>
28 #include <openssl/pem.h>
29 #include <openssl/bn.h>
30 #include <openssl/lhash.h>
31 #ifndef OPENSSL_NO_RSA
32 # include <openssl/rsa.h>
34 #ifndef OPENSSL_NO_DSA
35 # include <openssl/dsa.h>
38 DEFINE_STACK_OF(CONF_VALUE)
39 DEFINE_STACK_OF_STRING()
41 #define BITS "default_bits"
42 #define KEYFILE "default_keyfile"
43 #define PROMPT "prompt"
44 #define DISTINGUISHED_NAME "distinguished_name"
45 #define ATTRIBUTES "attributes"
46 #define V3_EXTENSIONS "x509_extensions"
47 #define REQ_EXTENSIONS "req_extensions"
48 #define STRING_MASK "string_mask"
49 #define UTF8_IN "utf8"
51 #define DEFAULT_KEY_LENGTH 2048
52 #define MIN_KEY_LENGTH 512
54 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *dn, int mutlirdn,
55 int attribs, unsigned long chtype);
56 static int build_subject(X509_REQ *req, const char *subj, unsigned long chtype,
58 static int prompt_info(X509_REQ *req,
59 STACK_OF(CONF_VALUE) *dn_sk, const char *dn_sect,
60 STACK_OF(CONF_VALUE) *attr_sk, const char *attr_sect,
61 int attribs, unsigned long chtype);
62 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *sk,
63 STACK_OF(CONF_VALUE) *attr, int attribs,
64 unsigned long chtype);
65 static int add_attribute_object(X509_REQ *req, char *text, const char *def,
66 char *value, int nid, int n_min, int n_max,
67 unsigned long chtype);
68 static int add_DN_object(X509_NAME *n, char *text, const char *def,
69 char *value, int nid, int n_min, int n_max,
70 unsigned long chtype, int mval);
71 static int genpkey_cb(EVP_PKEY_CTX *ctx);
72 static int build_data(char *text, const char *def,
73 char *value, int n_min, int n_max,
74 char *buf, const int buf_size,
75 const char *desc1, const char *desc2
77 static int req_check_len(int len, int n_min, int n_max);
78 static int check_end(const char *str, const char *end);
79 static int join(char buf[], size_t buf_size, const char *name,
80 const char *tail, const char *desc);
81 static EVP_PKEY_CTX *set_keygen_ctx(const char *gstr,
82 int *pkey_type, long *pkeylen,
83 char **palgnam, ENGINE *keygen_engine);
85 static const char *section = "req";
86 static CONF *req_conf = NULL;
87 static CONF *addext_conf = NULL;
90 typedef enum OPTION_choice {
91 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
92 OPT_INFORM, OPT_OUTFORM, OPT_ENGINE, OPT_KEYGEN_ENGINE, OPT_KEY,
93 OPT_PUBKEY, OPT_NEW, OPT_CONFIG, OPT_KEYFORM, OPT_IN, OPT_OUT,
94 OPT_KEYOUT, OPT_PASSIN, OPT_PASSOUT, OPT_NEWKEY,
95 OPT_PKEYOPT, OPT_SIGOPT, OPT_VFYOPT, OPT_BATCH, OPT_NEWHDR, OPT_MODULUS,
96 OPT_VERIFY, OPT_NOENC, OPT_NODES, OPT_NOOUT, OPT_VERBOSE, OPT_UTF8,
97 OPT_NAMEOPT, OPT_REQOPT, OPT_SUBJ, OPT_SUBJECT, OPT_TEXT, OPT_X509,
98 OPT_MULTIVALUE_RDN, OPT_DAYS, OPT_SET_SERIAL, OPT_ADDEXT, OPT_EXTENSIONS,
99 OPT_REQEXTS, OPT_PRECERT, OPT_MD,
101 OPT_R_ENUM, OPT_PROV_ENUM
104 const OPTIONS req_options[] = {
105 OPT_SECTION("General"),
106 {"help", OPT_HELP, '-', "Display this summary"},
107 #ifndef OPENSSL_NO_ENGINE
108 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
109 {"keygen_engine", OPT_KEYGEN_ENGINE, 's',
110 "Specify engine to be used for key generation operations"},
112 {"in", OPT_IN, '<', "Input file"},
113 {"inform", OPT_INFORM, 'F', "Input format - DER or PEM"},
114 {"verify", OPT_VERIFY, '-', "Verify signature on REQ"},
116 OPT_SECTION("Certificate"),
117 {"new", OPT_NEW, '-', "New request"},
118 {"config", OPT_CONFIG, '<', "Request template file"},
119 {"section", OPT_SECTION, 's', "Config section to use (default \"req\")"},
120 {"utf8", OPT_UTF8, '-', "Input characters are UTF8 (default ASCII)"},
121 {"nameopt", OPT_NAMEOPT, 's', "Certificate subject/issuer name printing options"},
122 {"reqopt", OPT_REQOPT, 's', "Various request text options"},
123 {"text", OPT_TEXT, '-', "Text form of request"},
124 {"x509", OPT_X509, '-',
125 "Output an x509 structure instead of a cert request"},
126 {OPT_MORE_STR, 1, 1, "(Required by some CA's)"},
127 {"subj", OPT_SUBJ, 's', "Set or modify request subject"},
128 {"subject", OPT_SUBJECT, '-', "Output the request's subject"},
129 {"multivalue-rdn", OPT_MULTIVALUE_RDN, '-',
130 "Enable support for multivalued RDNs"},
131 {"days", OPT_DAYS, 'p', "Number of days cert is valid for"},
132 {"set_serial", OPT_SET_SERIAL, 's', "Serial number to use"},
133 {"addext", OPT_ADDEXT, 's',
134 "Additional cert extension key=value pair (may be given more than once)"},
135 {"extensions", OPT_EXTENSIONS, 's',
136 "Cert extension section (override value in config file)"},
137 {"reqexts", OPT_REQEXTS, 's',
138 "Request extension section (override value in config file)"},
139 {"precert", OPT_PRECERT, '-', "Add a poison extension (implies -new)"},
141 OPT_SECTION("Keys and Signing"),
142 {"key", OPT_KEY, 's', "Private key to use"},
143 {"keyform", OPT_KEYFORM, 'f', "Key file format (ENGINE, other values ignored)"},
144 {"pubkey", OPT_PUBKEY, '-', "Output public key"},
145 {"keyout", OPT_KEYOUT, '>', "File to send the key to"},
146 {"passin", OPT_PASSIN, 's', "Private key password source"},
147 {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"},
148 {"newkey", OPT_NEWKEY, 's', "Specify as type:bits"},
149 {"pkeyopt", OPT_PKEYOPT, 's', "Public key options as opt:value"},
150 {"sigopt", OPT_SIGOPT, 's', "Signature parameter in n:v form"},
151 {"vfyopt", OPT_VFYOPT, 's', "Verification parameter in n:v form"},
152 {"", OPT_MD, '-', "Any supported digest"},
154 OPT_SECTION("Output"),
155 {"out", OPT_OUT, '>', "Output file"},
156 {"outform", OPT_OUTFORM, 'F', "Output format - DER or PEM"},
157 {"batch", OPT_BATCH, '-',
158 "Do not ask anything during request generation"},
159 {"verbose", OPT_VERBOSE, '-', "Verbose output"},
160 {"noenc", OPT_NOENC, '-', "Don't encrypt private keys"},
161 {"nodes", OPT_NODES, '-', "Don't encrypt private keys; deprecated"},
162 {"noout", OPT_NOOUT, '-', "Do not output REQ"},
163 {"newhdr", OPT_NEWHDR, '-', "Output \"NEW\" in the header lines"},
164 {"modulus", OPT_MODULUS, '-', "RSA modulus"},
173 * An LHASH of strings, where each string is an extension name.
175 static unsigned long ext_name_hash(const OPENSSL_STRING *a)
177 return OPENSSL_LH_strhash((const char *)a);
180 static int ext_name_cmp(const OPENSSL_STRING *a, const OPENSSL_STRING *b)
182 return strcmp((const char *)a, (const char *)b);
185 static void exts_cleanup(OPENSSL_STRING *x)
187 OPENSSL_free((char *)x);
191 * Is the |kv| key already duplicated? This is remarkably tricky to get
192 * right. Return 0 if unique, -1 on runtime error; 1 if found or a syntax
195 static int duplicated(LHASH_OF(OPENSSL_STRING) *addexts, char *kv)
201 /* Skip leading whitespace, make a copy. */
202 while (*kv && isspace(*kv))
205 if ((p = strchr(kv, '=')) == NULL)
208 if ((kv = OPENSSL_strdup(kv)) == NULL)
211 /* Skip trailing space before the equal sign. */
212 for (p = kv + off; p > kv; --p)
221 /* Finally have a clean "key"; see if it's there [by attempt to add it]. */
222 p = (char *)lh_OPENSSL_STRING_insert(addexts, (OPENSSL_STRING*)kv);
226 } else if (lh_OPENSSL_STRING_error(addexts)) {
234 int req_main(int argc, char **argv)
236 ASN1_INTEGER *serial = NULL;
238 ENGINE *e = NULL, *gen_eng = NULL;
239 EVP_PKEY *pkey = NULL;
240 EVP_PKEY_CTX *genctx = NULL;
241 STACK_OF(OPENSSL_STRING) *pkeyopts = NULL, *sigopts = NULL, *vfyopts = NULL;
242 LHASH_OF(OPENSSL_STRING) *addexts = NULL;
244 X509_REQ *req = NULL;
245 const EVP_CIPHER *cipher = NULL;
246 const EVP_MD *md_alg = NULL, *digest = NULL;
247 BIO *addext_bio = NULL;
248 char *extensions = NULL, *infile = NULL;
249 char *outfile = NULL, *keyfile = NULL;
250 char *keyalgstr = NULL, *p, *prog, *passargin = NULL, *passargout = NULL;
251 char *passin = NULL, *passout = NULL;
252 char *nofree_passin = NULL, *nofree_passout = NULL;
253 char *req_exts = NULL, *subj = NULL;
254 char *template = default_config_file, *keyout = NULL;
255 const char *keyalg = NULL;
257 int ret = 1, x509 = 0, days = 0, i = 0, newreq = 0, verbose = 0;
258 int pkey_type = -1, private = 0;
259 int informat = FORMAT_PEM, outformat = FORMAT_PEM, keyform = FORMAT_PEM;
260 int modulus = 0, multirdn = 0, verify = 0, noout = 0, text = 0;
261 int noenc = 0, newhdr = 0, subject = 0, pubkey = 0, precert = 0;
263 unsigned long chtype = MBSTRING_ASC, reqflag = 0;
265 #ifndef OPENSSL_NO_DES
266 cipher = EVP_des_ede3_cbc();
269 prog = opt_init(argc, argv, req_options);
270 while ((o = opt_next()) != OPT_EOF) {
275 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
278 opt_help(req_options);
282 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &informat))
286 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat))
290 e = setup_engine(opt_arg(), 0);
292 case OPT_KEYGEN_ENGINE:
293 #ifndef OPENSSL_NO_ENGINE
294 gen_eng = ENGINE_by_id(opt_arg());
295 if (gen_eng == NULL) {
296 BIO_printf(bio_err, "Can't find keygen engine %s\n", *argv);
311 template = opt_arg();
317 if (!opt_format(opt_arg(), OPT_FMT_ANY, &keyform))
330 passargin = opt_arg();
333 passargout = opt_arg();
340 if (!opt_provider(o))
348 if (pkeyopts == NULL)
349 pkeyopts = sk_OPENSSL_STRING_new_null();
351 || !sk_OPENSSL_STRING_push(pkeyopts, opt_arg()))
356 sigopts = sk_OPENSSL_STRING_new_null();
357 if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, opt_arg()))
362 vfyopts = sk_OPENSSL_STRING_new_null();
363 if (!vfyopts || !sk_OPENSSL_STRING_push(vfyopts, opt_arg()))
389 chtype = MBSTRING_UTF8;
392 if (!set_nameopt(opt_arg()))
396 if (!set_cert_ex(&reqflag, opt_arg()))
406 days = atoi(opt_arg());
409 if (serial != NULL) {
410 BIO_printf(bio_err, "Serial number supplied twice\n");
413 serial = s2i_ASN1_INTEGER(NULL, opt_arg());
423 case OPT_MULTIVALUE_RDN:
428 if (addexts == NULL) {
429 addexts = lh_OPENSSL_STRING_new(ext_name_hash, ext_name_cmp);
430 addext_bio = BIO_new(BIO_s_mem());
431 if (addexts == NULL || addext_bio == NULL)
434 i = duplicated(addexts, p);
437 if (i < 0 || BIO_printf(addext_bio, "%s\n", opt_arg()) < 0)
441 extensions = opt_arg();
444 req_exts = opt_arg();
447 newreq = precert = 1;
450 if (!opt_md(opt_unknown(), &md_alg))
456 argc = opt_num_rest();
461 BIO_printf(bio_err, "Ignoring -days; not generating a certificate\n");
462 if (x509 && infile == NULL)
465 /* TODO: simplify this as pkey is still always NULL here */
466 private = newreq && (pkey == NULL) ? 1 : 0;
468 if (!app_passwd(passargin, passargout, &passin, &passout)) {
469 BIO_printf(bio_err, "Error getting passwords\n");
474 BIO_printf(bio_err, "Using configuration from %s\n", template);
475 if ((req_conf = app_load_config(template)) == NULL)
477 if (addext_bio != NULL) {
480 "Using additional configuration from command line\n");
481 if ((addext_conf = app_load_config_bio(addext_bio, NULL)) == NULL)
484 if (template != default_config_file && !app_load_modules(req_conf))
487 if (req_conf != NULL) {
488 p = NCONF_get_string(req_conf, NULL, "oid_file");
494 oid_bio = BIO_new_file(p, "r");
495 if (oid_bio == NULL) {
497 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
498 ERR_print_errors(bio_err);
501 OBJ_create_objects(oid_bio);
506 if (!add_oid_section(req_conf))
509 if (md_alg == NULL) {
510 p = NCONF_get_string(req_conf, section, "default_md");
514 if (!opt_md(p, &md_alg))
520 if (extensions == NULL) {
521 extensions = NCONF_get_string(req_conf, section, V3_EXTENSIONS);
522 if (extensions == NULL)
525 if (extensions != NULL) {
526 /* Check syntax of file */
528 X509V3_set_ctx_test(&ctx);
529 X509V3_set_nconf(&ctx, req_conf);
530 if (!X509V3_EXT_add_nconf(req_conf, &ctx, extensions, NULL)) {
532 "Error Loading extension section %s\n", extensions);
536 if (addext_conf != NULL) {
537 /* Check syntax of command line extensions */
539 X509V3_set_ctx_test(&ctx);
540 X509V3_set_nconf(&ctx, addext_conf);
541 if (!X509V3_EXT_add_nconf(addext_conf, &ctx, "default", NULL)) {
542 BIO_printf(bio_err, "Error Loading command line extensions\n");
547 if (passin == NULL) {
548 passin = nofree_passin =
549 NCONF_get_string(req_conf, section, "input_password");
554 if (passout == NULL) {
555 passout = nofree_passout =
556 NCONF_get_string(req_conf, section, "output_password");
561 p = NCONF_get_string(req_conf, section, STRING_MASK);
565 if (p != NULL && !ASN1_STRING_set_default_mask_asc(p)) {
566 BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
570 if (chtype != MBSTRING_UTF8) {
571 p = NCONF_get_string(req_conf, section, UTF8_IN);
574 else if (strcmp(p, "yes") == 0)
575 chtype = MBSTRING_UTF8;
578 if (req_exts == NULL) {
579 req_exts = NCONF_get_string(req_conf, section, REQ_EXTENSIONS);
580 if (req_exts == NULL)
583 if (req_exts != NULL) {
584 /* Check syntax of file */
586 X509V3_set_ctx_test(&ctx);
587 X509V3_set_nconf(&ctx, req_conf);
588 if (!X509V3_EXT_add_nconf(req_conf, &ctx, req_exts, NULL)) {
590 "Error Loading request extension section %s\n",
596 if (keyfile != NULL) {
597 pkey = load_key(keyfile, keyform, 0, passin, e, "Private Key");
600 app_RAND_load_conf(req_conf, section);
603 if (newreq && (pkey == NULL)) {
604 app_RAND_load_conf(req_conf, section);
606 if (!NCONF_get_number(req_conf, section, BITS, &newkey)) {
607 newkey = DEFAULT_KEY_LENGTH;
610 if (keyalg != NULL) {
611 genctx = set_keygen_ctx(keyalg, &pkey_type, &newkey,
612 &keyalgstr, gen_eng);
617 if (newkey < MIN_KEY_LENGTH
618 && (pkey_type == EVP_PKEY_RSA || pkey_type == EVP_PKEY_DSA)) {
619 BIO_printf(bio_err, "private key length is too short,\n");
620 BIO_printf(bio_err, "it needs to be at least %d bits, not %ld\n",
621 MIN_KEY_LENGTH, newkey);
625 if (pkey_type == EVP_PKEY_RSA && newkey > OPENSSL_RSA_MAX_MODULUS_BITS)
627 "Warning: It is not recommended to use more than %d bit for RSA keys.\n"
628 " Your key size is %ld! Larger key size may behave not as expected.\n",
629 OPENSSL_RSA_MAX_MODULUS_BITS, newkey);
631 #ifndef OPENSSL_NO_DSA
632 if (pkey_type == EVP_PKEY_DSA && newkey > OPENSSL_DSA_MAX_MODULUS_BITS)
634 "Warning: It is not recommended to use more than %d bit for DSA keys.\n"
635 " Your key size is %ld! Larger key size may behave not as expected.\n",
636 OPENSSL_DSA_MAX_MODULUS_BITS, newkey);
639 if (genctx == NULL) {
640 genctx = set_keygen_ctx(NULL, &pkey_type, &newkey,
641 &keyalgstr, gen_eng);
646 if (pkeyopts != NULL) {
648 for (i = 0; i < sk_OPENSSL_STRING_num(pkeyopts); i++) {
649 genopt = sk_OPENSSL_STRING_value(pkeyopts, i);
650 if (pkey_ctrl_string(genctx, genopt) <= 0) {
651 BIO_printf(bio_err, "parameter error \"%s\"\n", genopt);
652 ERR_print_errors(bio_err);
658 if (pkey_type == EVP_PKEY_EC) {
659 BIO_printf(bio_err, "Generating an EC private key\n");
661 BIO_printf(bio_err, "Generating a %s private key\n", keyalgstr);
664 EVP_PKEY_CTX_set_cb(genctx, genpkey_cb);
665 EVP_PKEY_CTX_set_app_data(genctx, bio_err);
667 if (EVP_PKEY_keygen(genctx, &pkey) <= 0) {
668 BIO_puts(bio_err, "Error Generating Key\n");
672 EVP_PKEY_CTX_free(genctx);
675 if (keyout == NULL) {
676 keyout = NCONF_get_string(req_conf, section, KEYFILE);
682 BIO_printf(bio_err, "writing new private key to stdout\n");
684 BIO_printf(bio_err, "writing new private key to '%s'\n", keyout);
685 out = bio_open_owner(keyout, outformat, private);
689 p = NCONF_get_string(req_conf, section, "encrypt_rsa_key");
692 p = NCONF_get_string(req_conf, section, "encrypt_key");
696 if ((p != NULL) && (strcmp(p, "no") == 0))
704 if (!PEM_write_bio_PrivateKey(out, pkey, cipher,
705 NULL, 0, NULL, passout)) {
706 if ((ERR_GET_REASON(ERR_peek_error()) ==
707 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3)) {
716 BIO_printf(bio_err, "-----\n");
720 req = load_csr(infile, informat, "X509 request");
725 if (newreq || x509) {
727 BIO_printf(bio_err, "you need to specify a private key\n");
732 req = X509_REQ_new();
737 i = make_REQ(req, pkey, subj, multirdn, !x509, chtype);
738 subj = NULL; /* done processing '-subj' option */
740 BIO_printf(bio_err, "problems making Certificate Request\n");
747 if ((x509ss = X509_new_with_libctx(app_get0_libctx(),
748 app_get0_propq())) == NULL)
751 /* Set version to V3 */
752 if ((extensions != NULL || addext_conf != NULL)
753 && !X509_set_version(x509ss, 2))
755 if (serial != NULL) {
756 if (!X509_set_serialNumber(x509ss, serial))
759 if (!rand_serial(NULL, X509_get_serialNumber(x509ss)))
763 if (!X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req)))
766 /* set default days if it's not specified */
769 if (!set_cert_times(x509ss, NULL, NULL, days))
771 if (!X509_set_subject_name
772 (x509ss, X509_REQ_get_subject_name(req)))
774 tmppkey = X509_REQ_get0_pubkey(req);
775 if (!tmppkey || !X509_set_pubkey(x509ss, tmppkey))
778 /* Set up V3 context struct */
780 X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
781 X509V3_set_nconf(&ext_ctx, req_conf);
784 if (extensions != NULL && !X509V3_EXT_add_nconf(req_conf,
785 &ext_ctx, extensions,
787 BIO_printf(bio_err, "Error Loading extension section %s\n",
791 if (addext_conf != NULL
792 && !X509V3_EXT_add_nconf(addext_conf, &ext_ctx, "default",
794 BIO_printf(bio_err, "Error Loading command line extensions\n");
798 /* If a pre-cert was requested, we need to add a poison extension */
800 if (X509_add1_ext_i2d(x509ss, NID_ct_precert_poison, NULL, 1, 0)
802 BIO_printf(bio_err, "Error adding poison extension\n");
807 i = do_X509_sign(x509ss, pkey, digest, sigopts);
809 ERR_print_errors(bio_err);
815 /* Set up V3 context struct */
817 X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
818 X509V3_set_nconf(&ext_ctx, req_conf);
822 && !X509V3_EXT_REQ_add_nconf(req_conf, &ext_ctx,
824 BIO_printf(bio_err, "Error Loading extension section %s\n",
828 if (addext_conf != NULL
829 && !X509V3_EXT_REQ_add_nconf(addext_conf, &ext_ctx, "default",
831 BIO_printf(bio_err, "Error Loading command line extensions\n");
834 i = do_X509_REQ_sign(req, pkey, digest, sigopts);
836 ERR_print_errors(bio_err);
843 BIO_printf(bio_err, "Cannot modify certificate subject\n");
849 BIO_printf(bio_err, "Modifying Request's Subject\n");
850 print_name(bio_err, "old subject=",
851 X509_REQ_get_subject_name(req), get_nameopt());
854 if (build_subject(req, subj, chtype, multirdn) == 0) {
855 BIO_printf(bio_err, "ERROR: cannot modify subject\n");
861 print_name(bio_err, "new subject=",
862 X509_REQ_get_subject_name(req), get_nameopt());
866 if (verify && !x509) {
867 EVP_PKEY *tpubkey = pkey;
869 if (tpubkey == NULL) {
870 tpubkey = X509_REQ_get0_pubkey(req);
875 i = do_X509_REQ_verify(req, tpubkey, vfyopts);
880 BIO_printf(bio_err, "verify failure\n");
881 ERR_print_errors(bio_err);
882 } else { /* if (i > 0) */
883 BIO_printf(bio_err, "verify OK\n");
887 if (noout && !text && !modulus && !subject && !pubkey) {
892 out = bio_open_default(outfile,
893 keyout != NULL && outfile != NULL &&
894 strcmp(keyout, outfile) == 0 ? 'a' : 'w',
900 EVP_PKEY *tpubkey = X509_REQ_get0_pubkey(req);
902 if (tpubkey == NULL) {
903 BIO_printf(bio_err, "Error getting public key\n");
904 ERR_print_errors(bio_err);
907 PEM_write_bio_PUBKEY(out, tpubkey);
912 ret = X509_print_ex(out, x509ss, get_nameopt(), reqflag);
914 ret = X509_REQ_print_ex(out, req, get_nameopt(), reqflag);
918 BIO_printf(bio_err, "Error printing certificate\n");
920 BIO_printf(bio_err, "Error printing certificate request\n");
922 ERR_print_errors(bio_err);
929 print_name(out, "subject=", X509_get_subject_name(x509ss),
932 print_name(out, "subject=", X509_REQ_get_subject_name(req),
940 tpubkey = X509_get0_pubkey(x509ss);
942 tpubkey = X509_REQ_get0_pubkey(req);
943 if (tpubkey == NULL) {
944 fprintf(stdout, "Modulus=unavailable\n");
947 fprintf(stdout, "Modulus=");
948 #ifndef OPENSSL_NO_RSA
949 if (EVP_PKEY_base_id(tpubkey) == EVP_PKEY_RSA) {
951 RSA_get0_key(EVP_PKEY_get0_RSA(tpubkey), &n, NULL, NULL);
955 fprintf(stdout, "Wrong Algorithm type");
956 fprintf(stdout, "\n");
959 if (!noout && !x509) {
960 if (outformat == FORMAT_ASN1)
961 i = i2d_X509_REQ_bio(out, req);
963 i = PEM_write_bio_X509_REQ_NEW(out, req);
965 i = PEM_write_bio_X509_REQ(out, req);
967 BIO_printf(bio_err, "unable to write X509 request\n");
971 if (!noout && x509 && (x509ss != NULL)) {
972 if (outformat == FORMAT_ASN1)
973 i = i2d_X509_bio(out, x509ss);
975 i = PEM_write_bio_X509(out, x509ss);
977 BIO_printf(bio_err, "unable to write X509 certificate\n");
984 ERR_print_errors(bio_err);
986 NCONF_free(req_conf);
987 NCONF_free(addext_conf);
988 BIO_free(addext_bio);
991 EVP_PKEY_CTX_free(genctx);
992 sk_OPENSSL_STRING_free(pkeyopts);
993 sk_OPENSSL_STRING_free(sigopts);
994 sk_OPENSSL_STRING_free(vfyopts);
995 lh_OPENSSL_STRING_doall(addexts, exts_cleanup);
996 lh_OPENSSL_STRING_free(addexts);
997 #ifndef OPENSSL_NO_ENGINE
998 ENGINE_free(gen_eng);
1000 OPENSSL_free(keyalgstr);
1003 ASN1_INTEGER_free(serial);
1005 if (passin != nofree_passin)
1006 OPENSSL_free(passin);
1007 if (passout != nofree_passout)
1008 OPENSSL_free(passout);
1012 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *subj, int multirdn,
1013 int attribs, unsigned long chtype)
1017 STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL;
1018 char *tmp, *dn_sect, *attr_sect;
1020 tmp = NCONF_get_string(req_conf, section, PROMPT);
1023 if ((tmp != NULL) && strcmp(tmp, "no") == 0)
1026 dn_sect = NCONF_get_string(req_conf, section, DISTINGUISHED_NAME);
1027 if (dn_sect == NULL) {
1028 BIO_printf(bio_err, "unable to find '%s' in config\n",
1029 DISTINGUISHED_NAME);
1032 dn_sk = NCONF_get_section(req_conf, dn_sect);
1033 if (dn_sk == NULL) {
1034 BIO_printf(bio_err, "unable to get '%s' section\n", dn_sect);
1038 attr_sect = NCONF_get_string(req_conf, section, ATTRIBUTES);
1039 if (attr_sect == NULL) {
1043 attr_sk = NCONF_get_section(req_conf, attr_sect);
1044 if (attr_sk == NULL) {
1045 BIO_printf(bio_err, "unable to get '%s' section\n", attr_sect);
1050 /* setup version number */
1051 if (!X509_REQ_set_version(req, 0L))
1052 goto err; /* version 1 */
1055 i = build_subject(req, subj, chtype, multirdn);
1057 i = auto_info(req, dn_sk, attr_sk, attribs, chtype);
1059 i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs,
1064 if (!X509_REQ_set_pubkey(req, pkey))
1073 * subject is expected to be in the format /type0=value0/type1=value1/type2=...
1074 * where characters may be escaped by \
1076 static int build_subject(X509_REQ *req, const char *subject, unsigned long chtype,
1081 if ((n = parse_name(subject, chtype, multirdn, "subject")) == NULL)
1084 if (!X509_REQ_set_subject_name(req, n)) {
1092 static int prompt_info(X509_REQ *req,
1093 STACK_OF(CONF_VALUE) *dn_sk, const char *dn_sect,
1094 STACK_OF(CONF_VALUE) *attr_sk, const char *attr_sect,
1095 int attribs, unsigned long chtype)
1105 X509_NAME *subj = X509_REQ_get_subject_name(req);
1109 "You are about to be asked to enter information that will be incorporated\n");
1110 BIO_printf(bio_err, "into your certificate request.\n");
1112 "What you are about to enter is what is called a Distinguished Name or a DN.\n");
1114 "There are quite a few fields but you can leave some blank\n");
1116 "For some fields there will be a default value,\n");
1118 "If you enter '.', the field will be left blank.\n");
1119 BIO_printf(bio_err, "-----\n");
1122 if (sk_CONF_VALUE_num(dn_sk)) {
1127 if (sk_CONF_VALUE_num(dn_sk) <= i)
1130 v = sk_CONF_VALUE_value(dn_sk, i);
1133 if (!check_end(type, "_min") || !check_end(type, "_max") ||
1134 !check_end(type, "_default") || !check_end(type, "_value"))
1137 * Skip past any leading X. X: X, etc to allow for multiple
1140 for (p = v->name; *p; p++)
1141 if ((*p == ':') || (*p == ',') || (*p == '.')) {
1153 /* If OBJ not recognised ignore it */
1154 if ((nid = OBJ_txt2nid(type)) == NID_undef)
1156 if (!join(buf, sizeof(buf), v->name, "_default", "Name"))
1158 if ((def = NCONF_get_string(req_conf, dn_sect, buf)) == NULL) {
1163 if (!join(buf, sizeof(buf), v->name, "_value", "Name"))
1165 if ((value = NCONF_get_string(req_conf, dn_sect, buf)) == NULL) {
1170 if (!join(buf, sizeof(buf), v->name, "_min", "Name"))
1172 if (!NCONF_get_number(req_conf, dn_sect, buf, &n_min)) {
1178 if (!join(buf, sizeof(buf), v->name, "_max", "Name"))
1180 if (!NCONF_get_number(req_conf, dn_sect, buf, &n_max)) {
1185 if (!add_DN_object(subj, v->value, def, value, nid,
1186 n_min, n_max, chtype, mval))
1189 if (X509_NAME_entry_count(subj) == 0) {
1190 BIO_printf(bio_err, "error, no objects specified in config file\n");
1195 if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0)
1198 "\nPlease enter the following 'extra' attributes\n");
1200 "to be sent with your certificate request\n");
1207 if ((attr_sk == NULL) || (sk_CONF_VALUE_num(attr_sk) <= i))
1210 v = sk_CONF_VALUE_value(attr_sk, i);
1212 if ((nid = OBJ_txt2nid(type)) == NID_undef)
1215 if (!join(buf, sizeof(buf), type, "_default", "Name"))
1217 if ((def = NCONF_get_string(req_conf, attr_sect, buf))
1223 if (!join(buf, sizeof(buf), type, "_value", "Name"))
1225 if ((value = NCONF_get_string(req_conf, attr_sect, buf))
1231 if (!join(buf, sizeof(buf), type,"_min", "Name"))
1233 if (!NCONF_get_number(req_conf, attr_sect, buf, &n_min)) {
1238 if (!join(buf, sizeof(buf), type, "_max", "Name"))
1240 if (!NCONF_get_number(req_conf, attr_sect, buf, &n_max)) {
1245 if (!add_attribute_object(req,
1246 v->value, def, value, nid, n_min,
1252 BIO_printf(bio_err, "No template, please set one up.\n");
1260 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
1261 STACK_OF(CONF_VALUE) *attr_sk, int attribs,
1262 unsigned long chtype)
1264 int i, spec_char, plus_char;
1270 subj = X509_REQ_get_subject_name(req);
1272 for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++) {
1274 v = sk_CONF_VALUE_value(dn_sk, i);
1278 * Skip past any leading X. X: X, etc to allow for multiple instances
1280 for (p = v->name; *p; p++) {
1281 #ifndef CHARSET_EBCDIC
1282 spec_char = ((*p == ':') || (*p == ',') || (*p == '.'));
1284 spec_char = ((*p == os_toascii[':']) || (*p == os_toascii[','])
1285 || (*p == os_toascii['.']));
1294 #ifndef CHARSET_EBCDIC
1295 plus_char = (*type == '+');
1297 plus_char = (*type == os_toascii['+']);
1305 if (!X509_NAME_add_entry_by_txt(subj, type, chtype,
1306 (unsigned char *)v->value, -1, -1,
1312 if (!X509_NAME_entry_count(subj)) {
1313 BIO_printf(bio_err, "error, no objects specified in config file\n");
1317 for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++) {
1318 v = sk_CONF_VALUE_value(attr_sk, i);
1319 if (!X509_REQ_add1_attr_by_txt(req, v->name, chtype,
1320 (unsigned char *)v->value, -1))
1327 static int add_DN_object(X509_NAME *n, char *text, const char *def,
1328 char *value, int nid, int n_min, int n_max,
1329 unsigned long chtype, int mval)
1334 ret = build_data(text, def, value, n_min, n_max, buf, sizeof(buf),
1335 "DN value", "DN default");
1336 if ((ret == 0) || (ret == 1))
1340 if (!X509_NAME_add_entry_by_NID(n, nid, chtype,
1341 (unsigned char *)buf, -1, -1, mval))
1347 static int add_attribute_object(X509_REQ *req, char *text, const char *def,
1348 char *value, int nid, int n_min,
1349 int n_max, unsigned long chtype)
1354 ret = build_data(text, def, value, n_min, n_max, buf, sizeof(buf),
1355 "Attribute value", "Attribute default");
1356 if ((ret == 0) || (ret == 1))
1360 if (!X509_REQ_add1_attr_by_NID(req, nid, chtype,
1361 (unsigned char *)buf, -1)) {
1362 BIO_printf(bio_err, "Error adding attribute\n");
1363 ERR_print_errors(bio_err);
1371 static int build_data(char *text, const char *def,
1372 char *value, int n_min, int n_max,
1373 char *buf, const int buf_size,
1374 const char *desc1, const char *desc2
1380 BIO_printf(bio_err, "%s [%s]:", text, def);
1381 (void)BIO_flush(bio_err);
1382 if (value != NULL) {
1383 if (!join(buf, buf_size, value, "\n", desc1))
1385 BIO_printf(bio_err, "%s\n", value);
1389 if (!fgets(buf, buf_size, stdin))
1399 if (buf[0] == '\n') {
1400 if ((def == NULL) || (def[0] == '\0'))
1402 if (!join(buf, buf_size, def, "\n", desc2))
1404 } else if ((buf[0] == '.') && (buf[1] == '\n')) {
1409 if (buf[i - 1] != '\n') {
1410 BIO_printf(bio_err, "weird input :-(\n");
1414 #ifdef CHARSET_EBCDIC
1415 ebcdic2ascii(buf, buf, i);
1417 if (!req_check_len(i, n_min, n_max)) {
1425 static int req_check_len(int len, int n_min, int n_max)
1427 if ((n_min > 0) && (len < n_min)) {
1429 "string is too short, it needs to be at least %d bytes long\n",
1433 if ((n_max >= 0) && (len > n_max)) {
1435 "string is too long, it needs to be no more than %d bytes long\n",
1442 /* Check if the end of a string matches 'end' */
1443 static int check_end(const char *str, const char *end)
1452 tmp = str + slen - elen;
1453 return strcmp(tmp, end);
1457 * Merge the two strings together into the result buffer checking for
1458 * overflow and producing an error message if there is.
1460 static int join(char buf[], size_t buf_size, const char *name,
1461 const char *tail, const char *desc)
1463 const size_t name_len = strlen(name), tail_len = strlen(tail);
1465 if (name_len + tail_len + 1 > buf_size) {
1466 BIO_printf(bio_err, "%s '%s' too long\n", desc, name);
1469 memcpy(buf, name, name_len);
1470 memcpy(buf + name_len, tail, tail_len + 1);
1474 static EVP_PKEY_CTX *set_keygen_ctx(const char *gstr,
1475 int *pkey_type, long *pkeylen,
1476 char **palgnam, ENGINE *keygen_engine)
1478 EVP_PKEY_CTX *gctx = NULL;
1479 EVP_PKEY *param = NULL;
1482 const char *paramfile = NULL;
1485 *pkey_type = EVP_PKEY_RSA;
1487 } else if (gstr[0] >= '0' && gstr[0] <= '9') {
1488 *pkey_type = EVP_PKEY_RSA;
1489 keylen = atol(gstr);
1491 } else if (strncmp(gstr, "param:", 6) == 0) {
1492 paramfile = gstr + 6;
1494 const char *p = strchr(gstr, ':');
1497 const EVP_PKEY_ASN1_METHOD *ameth;
1504 * The lookup of a the string will cover all engines so keep a note
1505 * of the implementation.
1508 ameth = EVP_PKEY_asn1_find_str(&tmpeng, gstr, len);
1510 if (ameth == NULL) {
1511 BIO_printf(bio_err, "Unknown algorithm %.*s\n", len, gstr);
1515 EVP_PKEY_asn1_get0_info(NULL, pkey_type, NULL, NULL, NULL, ameth);
1516 #ifndef OPENSSL_NO_ENGINE
1517 ENGINE_finish(tmpeng);
1519 if (*pkey_type == EVP_PKEY_RSA) {
1521 keylen = atol(p + 1);
1526 } else if (p != NULL) {
1531 if (paramfile != NULL) {
1532 pbio = BIO_new_file(paramfile, "r");
1534 BIO_printf(bio_err, "Can't open parameter file %s\n", paramfile);
1537 param = PEM_read_bio_Parameters(pbio, NULL);
1539 if (param == NULL) {
1542 (void)BIO_reset(pbio);
1543 x = PEM_read_bio_X509(pbio, NULL, NULL, NULL);
1545 param = X509_get_pubkey(x);
1552 if (param == NULL) {
1553 BIO_printf(bio_err, "Error reading parameter file %s\n", paramfile);
1556 if (*pkey_type == -1) {
1557 *pkey_type = EVP_PKEY_id(param);
1558 } else if (*pkey_type != EVP_PKEY_base_id(param)) {
1559 BIO_printf(bio_err, "Key Type does not match parameters\n");
1560 EVP_PKEY_free(param);
1565 if (palgnam != NULL) {
1566 const EVP_PKEY_ASN1_METHOD *ameth;
1570 ameth = EVP_PKEY_asn1_find(&tmpeng, *pkey_type);
1571 if (ameth == NULL) {
1572 BIO_puts(bio_err, "Internal error: can't find key algorithm\n");
1575 EVP_PKEY_asn1_get0_info(NULL, NULL, NULL, NULL, &anam, ameth);
1576 *palgnam = OPENSSL_strdup(anam);
1577 #ifndef OPENSSL_NO_ENGINE
1578 ENGINE_finish(tmpeng);
1582 if (param != NULL) {
1583 gctx = EVP_PKEY_CTX_new(param, keygen_engine);
1584 *pkeylen = EVP_PKEY_bits(param);
1585 EVP_PKEY_free(param);
1587 gctx = EVP_PKEY_CTX_new_id(*pkey_type, keygen_engine);
1591 BIO_puts(bio_err, "Error allocating keygen context\n");
1592 ERR_print_errors(bio_err);
1596 if (EVP_PKEY_keygen_init(gctx) <= 0) {
1597 BIO_puts(bio_err, "Error initializing keygen context\n");
1598 ERR_print_errors(bio_err);
1599 EVP_PKEY_CTX_free(gctx);
1602 #ifndef OPENSSL_NO_RSA
1603 if ((*pkey_type == EVP_PKEY_RSA) && (keylen != -1)) {
1604 if (EVP_PKEY_CTX_set_rsa_keygen_bits(gctx, keylen) <= 0) {
1605 BIO_puts(bio_err, "Error setting RSA keysize\n");
1606 ERR_print_errors(bio_err);
1607 EVP_PKEY_CTX_free(gctx);
1616 static int genpkey_cb(EVP_PKEY_CTX *ctx)
1619 BIO *b = EVP_PKEY_CTX_get_app_data(ctx);
1621 p = EVP_PKEY_CTX_get_keygen_info(ctx, 0);
1630 BIO_write(b, &c, 1);
1635 static int do_pkey_ctx_init(EVP_PKEY_CTX *pkctx, STACK_OF(OPENSSL_STRING) *opts)
1642 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) {
1643 char *opt = sk_OPENSSL_STRING_value(opts, i);
1644 if (pkey_ctrl_string(pkctx, opt) <= 0) {
1645 BIO_printf(bio_err, "parameter error \"%s\"\n", opt);
1646 ERR_print_errors(bio_err);
1654 static int do_x509_init(X509 *x, STACK_OF(OPENSSL_STRING) *opts)
1661 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) {
1662 char *opt = sk_OPENSSL_STRING_value(opts, i);
1663 if (x509_ctrl_string(x, opt) <= 0) {
1664 BIO_printf(bio_err, "parameter error \"%s\"\n", opt);
1665 ERR_print_errors(bio_err);
1673 static int do_x509_req_init(X509_REQ *x, STACK_OF(OPENSSL_STRING) *opts)
1680 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) {
1681 char *opt = sk_OPENSSL_STRING_value(opts, i);
1682 if (x509_req_ctrl_string(x, opt) <= 0) {
1683 BIO_printf(bio_err, "parameter error \"%s\"\n", opt);
1684 ERR_print_errors(bio_err);
1692 static int do_sign_init(EVP_MD_CTX *ctx, EVP_PKEY *pkey,
1693 const EVP_MD *md, STACK_OF(OPENSSL_STRING) *sigopts)
1695 EVP_PKEY_CTX *pkctx = NULL;
1701 * EVP_PKEY_get_default_digest_nid() returns 2 if the digest is mandatory
1702 * for this algorithm.
1704 if (EVP_PKEY_get_default_digest_nid(pkey, &def_nid) == 2
1705 && def_nid == NID_undef) {
1706 /* The signing algorithm requires there to be no digest */
1709 return EVP_DigestSignInit(ctx, &pkctx, md, NULL, pkey)
1710 && do_pkey_ctx_init(pkctx, sigopts);
1713 int do_X509_sign(X509 *x, EVP_PKEY *pkey, const EVP_MD *md,
1714 STACK_OF(OPENSSL_STRING) *sigopts)
1717 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
1719 if (do_sign_init(mctx, pkey, md, sigopts) > 0)
1720 rv = (X509_sign_ctx(x, mctx) > 0);
1721 EVP_MD_CTX_free(mctx);
1725 int do_X509_REQ_sign(X509_REQ *x, EVP_PKEY *pkey, const EVP_MD *md,
1726 STACK_OF(OPENSSL_STRING) *sigopts)
1729 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
1731 if (do_sign_init(mctx, pkey, md, sigopts) > 0)
1732 rv = (X509_REQ_sign_ctx(x, mctx) > 0);
1733 EVP_MD_CTX_free(mctx);
1737 int do_X509_verify(X509 *x, EVP_PKEY *pkey, STACK_OF(OPENSSL_STRING) *vfyopts)
1741 if (do_x509_init(x, vfyopts) > 0)
1742 rv = (X509_verify(x, pkey) > 0);
1746 int do_X509_REQ_verify(X509_REQ *x, EVP_PKEY *pkey,
1747 STACK_OF(OPENSSL_STRING) *vfyopts)
1751 if (do_x509_req_init(x, vfyopts) > 0)
1752 rv = (X509_REQ_verify(x, pkey) > 0);
1756 int do_X509_CRL_sign(X509_CRL *x, EVP_PKEY *pkey, const EVP_MD *md,
1757 STACK_OF(OPENSSL_STRING) *sigopts)
1760 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
1762 if (do_sign_init(mctx, pkey, md, sigopts) > 0)
1763 rv = (X509_CRL_sign_ctx(x, mctx) > 0);
1764 EVP_MD_CTX_free(mctx);