2 * Copyright 1995-2017 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
15 #include <openssl/bio.h>
16 #include <openssl/evp.h>
17 #include <openssl/conf.h>
18 #include <openssl/err.h>
19 #include <openssl/asn1.h>
20 #include <openssl/x509.h>
21 #include <openssl/x509v3.h>
22 #include <openssl/objects.h>
23 #include <openssl/pem.h>
24 #include <openssl/bn.h>
25 #ifndef OPENSSL_NO_RSA
26 # include <openssl/rsa.h>
28 #ifndef OPENSSL_NO_DSA
29 # include <openssl/dsa.h>
34 #define BITS "default_bits"
35 #define KEYFILE "default_keyfile"
36 #define PROMPT "prompt"
37 #define DISTINGUISHED_NAME "distinguished_name"
38 #define ATTRIBUTES "attributes"
39 #define V3_EXTENSIONS "x509_extensions"
40 #define REQ_EXTENSIONS "req_extensions"
41 #define STRING_MASK "string_mask"
42 #define UTF8_IN "utf8"
44 #define DEFAULT_KEY_LENGTH 2048
45 #define MIN_KEY_LENGTH 512
47 static int make_REQ(X509_REQ
*req
, EVP_PKEY
*pkey
, char *dn
, int mutlirdn
,
48 int attribs
, unsigned long chtype
);
49 static int build_subject(X509_REQ
*req
, const char *subj
, unsigned long chtype
,
51 static int prompt_info(X509_REQ
*req
,
52 STACK_OF(CONF_VALUE
) *dn_sk
, const char *dn_sect
,
53 STACK_OF(CONF_VALUE
) *attr_sk
, const char *attr_sect
,
54 int attribs
, unsigned long chtype
);
55 static int auto_info(X509_REQ
*req
, STACK_OF(CONF_VALUE
) *sk
,
56 STACK_OF(CONF_VALUE
) *attr
, int attribs
,
57 unsigned long chtype
);
58 static int add_attribute_object(X509_REQ
*req
, char *text
, const char *def
,
59 char *value
, int nid
, int n_min
, int n_max
,
60 unsigned long chtype
);
61 static int add_DN_object(X509_NAME
*n
, char *text
, const char *def
,
62 char *value
, int nid
, int n_min
, int n_max
,
63 unsigned long chtype
, int mval
);
64 static int genpkey_cb(EVP_PKEY_CTX
*ctx
);
65 static int req_check_len(int len
, int n_min
, int n_max
);
66 static int check_end(const char *str
, const char *end
);
67 static EVP_PKEY_CTX
*set_keygen_ctx(const char *gstr
,
68 int *pkey_type
, long *pkeylen
,
69 char **palgnam
, ENGINE
*keygen_engine
);
70 static CONF
*req_conf
= NULL
;
73 typedef enum OPTION_choice
{
74 OPT_ERR
= -1, OPT_EOF
= 0, OPT_HELP
,
75 OPT_INFORM
, OPT_OUTFORM
, OPT_ENGINE
, OPT_KEYGEN_ENGINE
, OPT_KEY
,
76 OPT_PUBKEY
, OPT_NEW
, OPT_CONFIG
, OPT_KEYFORM
, OPT_IN
, OPT_OUT
,
77 OPT_KEYOUT
, OPT_PASSIN
, OPT_PASSOUT
, OPT_RAND
, OPT_NEWKEY
,
78 OPT_PKEYOPT
, OPT_SIGOPT
, OPT_BATCH
, OPT_NEWHDR
, OPT_MODULUS
,
79 OPT_VERIFY
, OPT_NODES
, OPT_NOOUT
, OPT_VERBOSE
, OPT_UTF8
,
80 OPT_NAMEOPT
, OPT_REQOPT
, OPT_SUBJ
, OPT_SUBJECT
, OPT_TEXT
, OPT_X509
,
81 OPT_MULTIVALUE_RDN
, OPT_DAYS
, OPT_SET_SERIAL
, OPT_EXTENSIONS
,
82 OPT_REQEXTS
, OPT_PRECERT
, OPT_MD
85 const OPTIONS req_options
[] = {
86 {"help", OPT_HELP
, '-', "Display this summary"},
87 {"inform", OPT_INFORM
, 'F', "Input format - DER or PEM"},
88 {"outform", OPT_OUTFORM
, 'F', "Output format - DER or PEM"},
89 {"in", OPT_IN
, '<', "Input file"},
90 {"out", OPT_OUT
, '>', "Output file"},
91 {"key", OPT_KEY
, 's', "Private key to use"},
92 {"keyform", OPT_KEYFORM
, 'f', "Key file format"},
93 {"pubkey", OPT_PUBKEY
, '-', "Output public key"},
94 {"new", OPT_NEW
, '-', "New request"},
95 {"config", OPT_CONFIG
, '<', "Request template file"},
96 {"keyout", OPT_KEYOUT
, '>', "File to send the key to"},
97 {"passin", OPT_PASSIN
, 's', "Private key password source"},
98 {"passout", OPT_PASSOUT
, 's', "Output file pass phrase source"},
99 {"rand", OPT_RAND
, 's',
100 "Load the file(s) into the random number generator"},
101 {"newkey", OPT_NEWKEY
, 's', "Specify as type:bits"},
102 {"pkeyopt", OPT_PKEYOPT
, 's', "Public key options as opt:value"},
103 {"sigopt", OPT_SIGOPT
, 's', "Signature parameter in n:v form"},
104 {"batch", OPT_BATCH
, '-',
105 "Do not ask anything during request generation"},
106 {"newhdr", OPT_NEWHDR
, '-', "Output \"NEW\" in the header lines"},
107 {"modulus", OPT_MODULUS
, '-', "RSA modulus"},
108 {"verify", OPT_VERIFY
, '-', "Verify signature on REQ"},
109 {"nodes", OPT_NODES
, '-', "Don't encrypt the output key"},
110 {"noout", OPT_NOOUT
, '-', "Do not output REQ"},
111 {"verbose", OPT_VERBOSE
, '-', "Verbose output"},
112 {"utf8", OPT_UTF8
, '-', "Input characters are UTF8 (default ASCII)"},
113 {"nameopt", OPT_NAMEOPT
, 's', "Various certificate name options"},
114 {"reqopt", OPT_REQOPT
, 's', "Various request text options"},
115 {"text", OPT_TEXT
, '-', "Text form of request"},
116 {"x509", OPT_X509
, '-',
117 "Output a x509 structure instead of a cert request"},
118 {OPT_MORE_STR
, 1, 1, "(Required by some CA's)"},
119 {"subj", OPT_SUBJ
, 's', "Set or modify request subject"},
120 {"subject", OPT_SUBJECT
, '-', "Output the request's subject"},
121 {"multivalue-rdn", OPT_MULTIVALUE_RDN
, '-',
122 "Enable support for multivalued RDNs"},
123 {"days", OPT_DAYS
, 'p', "Number of days cert is valid for"},
124 {"set_serial", OPT_SET_SERIAL
, 's', "Serial number to use"},
125 {"extensions", OPT_EXTENSIONS
, 's',
126 "Cert extension section (override value in config file)"},
127 {"reqexts", OPT_REQEXTS
, 's',
128 "Request extension section (override value in config file)"},
129 {"precert", OPT_PRECERT
, '-', "Add a poison extension (implies -new)"},
130 {"", OPT_MD
, '-', "Any supported digest"},
131 #ifndef OPENSSL_NO_ENGINE
132 {"engine", OPT_ENGINE
, 's', "Use engine, possibly a hardware device"},
133 {"keygen_engine", OPT_KEYGEN_ENGINE
, 's',
134 "Specify engine to be used for key generation operations"},
139 int req_main(int argc
, char **argv
)
141 ASN1_INTEGER
*serial
= NULL
;
142 BIO
*in
= NULL
, *out
= NULL
;
143 ENGINE
*e
= NULL
, *gen_eng
= NULL
;
144 EVP_PKEY
*pkey
= NULL
;
145 EVP_PKEY_CTX
*genctx
= NULL
;
146 STACK_OF(OPENSSL_STRING
) *pkeyopts
= NULL
, *sigopts
= NULL
;
148 X509_REQ
*req
= NULL
;
149 const EVP_CIPHER
*cipher
= NULL
;
150 const EVP_MD
*md_alg
= NULL
, *digest
= NULL
;
151 char *extensions
= NULL
, *infile
= NULL
;
152 char *outfile
= NULL
, *keyfile
= NULL
, *inrand
= NULL
;
153 char *keyalgstr
= NULL
, *p
, *prog
, *passargin
= NULL
, *passargout
= NULL
;
154 char *passin
= NULL
, *passout
= NULL
;
155 char *nofree_passin
= NULL
, *nofree_passout
= NULL
;
156 char *req_exts
= NULL
, *subj
= NULL
;
157 char *template = default_config_file
, *keyout
= NULL
;
158 const char *keyalg
= NULL
;
160 int ret
= 1, x509
= 0, days
= 30, i
= 0, newreq
= 0, verbose
= 0;
161 int pkey_type
= -1, private = 0;
162 int informat
= FORMAT_PEM
, outformat
= FORMAT_PEM
, keyform
= FORMAT_PEM
;
163 int modulus
= 0, multirdn
= 0, verify
= 0, noout
= 0, text
= 0;
164 int nodes
= 0, newhdr
= 0, subject
= 0, pubkey
= 0, precert
= 0;
166 unsigned long chtype
= MBSTRING_ASC
, reqflag
= 0;
168 #ifndef OPENSSL_NO_DES
169 cipher
= EVP_des_ede3_cbc();
172 prog
= opt_init(argc
, argv
, req_options
);
173 while ((o
= opt_next()) != OPT_EOF
) {
178 BIO_printf(bio_err
, "%s: Use -help for summary.\n", prog
);
181 opt_help(req_options
);
185 if (!opt_format(opt_arg(), OPT_FMT_PEMDER
, &informat
))
189 if (!opt_format(opt_arg(), OPT_FMT_PEMDER
, &outformat
))
193 e
= setup_engine(opt_arg(), 0);
195 case OPT_KEYGEN_ENGINE
:
196 #ifndef OPENSSL_NO_ENGINE
197 gen_eng
= ENGINE_by_id(opt_arg());
198 if (gen_eng
== NULL
) {
199 BIO_printf(bio_err
, "Can't find keygen engine %s\n", *argv
);
214 template = opt_arg();
217 if (!opt_format(opt_arg(), OPT_FMT_ANY
, &keyform
))
230 passargin
= opt_arg();
233 passargout
= opt_arg();
244 pkeyopts
= sk_OPENSSL_STRING_new_null();
245 if (!pkeyopts
|| !sk_OPENSSL_STRING_push(pkeyopts
, opt_arg()))
250 sigopts
= sk_OPENSSL_STRING_new_null();
251 if (!sigopts
|| !sk_OPENSSL_STRING_push(sigopts
, opt_arg()))
276 chtype
= MBSTRING_UTF8
;
279 if (!set_nameopt(opt_arg()))
283 if (!set_cert_ex(&reqflag
, opt_arg()))
293 days
= atoi(opt_arg());
296 if (serial
!= NULL
) {
297 BIO_printf(bio_err
, "Serial number supplied twice\n");
300 serial
= s2i_ASN1_INTEGER(NULL
, opt_arg());
310 case OPT_MULTIVALUE_RDN
:
314 extensions
= opt_arg();
317 req_exts
= opt_arg();
320 newreq
= precert
= 1;
323 if (!opt_md(opt_unknown(), &md_alg
))
329 argc
= opt_num_rest();
333 if (x509
&& infile
== NULL
)
336 /* TODO: simplify this as pkey is still always NULL here */
337 private = newreq
&& (pkey
== NULL
) ? 1 : 0;
339 if (!app_passwd(passargin
, passargout
, &passin
, &passout
)) {
340 BIO_printf(bio_err
, "Error getting passwords\n");
345 BIO_printf(bio_err
, "Using configuration from %s\n", template);
346 req_conf
= app_load_config(template);
347 if (template != default_config_file
&& !app_load_modules(req_conf
))
350 if (req_conf
!= NULL
) {
351 p
= NCONF_get_string(req_conf
, NULL
, "oid_file");
357 oid_bio
= BIO_new_file(p
, "r");
358 if (oid_bio
== NULL
) {
360 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
361 ERR_print_errors(bio_err);
364 OBJ_create_objects(oid_bio
);
369 if (!add_oid_section(req_conf
))
372 if (md_alg
== NULL
) {
373 p
= NCONF_get_string(req_conf
, SECTION
, "default_md");
377 if (!opt_md(p
, &md_alg
))
383 if (extensions
== NULL
) {
384 extensions
= NCONF_get_string(req_conf
, SECTION
, V3_EXTENSIONS
);
385 if (extensions
== NULL
)
388 if (extensions
!= NULL
) {
389 /* Check syntax of file */
391 X509V3_set_ctx_test(&ctx
);
392 X509V3_set_nconf(&ctx
, req_conf
);
393 if (!X509V3_EXT_add_nconf(req_conf
, &ctx
, extensions
, NULL
)) {
395 "Error Loading extension section %s\n", extensions
);
400 if (passin
== NULL
) {
401 passin
= nofree_passin
=
402 NCONF_get_string(req_conf
, SECTION
, "input_password");
407 if (passout
== NULL
) {
408 passout
= nofree_passout
=
409 NCONF_get_string(req_conf
, SECTION
, "output_password");
414 p
= NCONF_get_string(req_conf
, SECTION
, STRING_MASK
);
418 if (p
!= NULL
&& !ASN1_STRING_set_default_mask_asc(p
)) {
419 BIO_printf(bio_err
, "Invalid global string mask setting %s\n", p
);
423 if (chtype
!= MBSTRING_UTF8
) {
424 p
= NCONF_get_string(req_conf
, SECTION
, UTF8_IN
);
427 else if (strcmp(p
, "yes") == 0)
428 chtype
= MBSTRING_UTF8
;
431 if (req_exts
== NULL
) {
432 req_exts
= NCONF_get_string(req_conf
, SECTION
, REQ_EXTENSIONS
);
433 if (req_exts
== NULL
)
436 if (req_exts
!= NULL
) {
437 /* Check syntax of file */
439 X509V3_set_ctx_test(&ctx
);
440 X509V3_set_nconf(&ctx
, req_conf
);
441 if (!X509V3_EXT_add_nconf(req_conf
, &ctx
, req_exts
, NULL
)) {
443 "Error Loading request extension section %s\n",
449 if (keyfile
!= NULL
) {
450 pkey
= load_key(keyfile
, keyform
, 0, passin
, e
, "Private Key");
452 /* load_key() has already printed an appropriate message */
455 char *randfile
= NCONF_get_string(req_conf
, SECTION
, "RANDFILE");
456 if (randfile
== NULL
)
458 app_RAND_load_file(randfile
, 0);
462 if (newreq
&& (pkey
== NULL
)) {
463 char *randfile
= NCONF_get_string(req_conf
, SECTION
, "RANDFILE");
464 if (randfile
== NULL
)
466 app_RAND_load_file(randfile
, 0);
468 app_RAND_load_files(inrand
);
470 if (!NCONF_get_number(req_conf
, SECTION
, BITS
, &newkey
)) {
471 newkey
= DEFAULT_KEY_LENGTH
;
474 if (keyalg
!= NULL
) {
475 genctx
= set_keygen_ctx(keyalg
, &pkey_type
, &newkey
,
476 &keyalgstr
, gen_eng
);
481 if (newkey
< MIN_KEY_LENGTH
482 && (pkey_type
== EVP_PKEY_RSA
|| pkey_type
== EVP_PKEY_DSA
)) {
483 BIO_printf(bio_err
, "private key length is too short,\n");
484 BIO_printf(bio_err
, "it needs to be at least %d bits, not %ld\n",
485 MIN_KEY_LENGTH
, newkey
);
489 if (genctx
== NULL
) {
490 genctx
= set_keygen_ctx(NULL
, &pkey_type
, &newkey
,
491 &keyalgstr
, gen_eng
);
496 if (pkeyopts
!= NULL
) {
498 for (i
= 0; i
< sk_OPENSSL_STRING_num(pkeyopts
); i
++) {
499 genopt
= sk_OPENSSL_STRING_value(pkeyopts
, i
);
500 if (pkey_ctrl_string(genctx
, genopt
) <= 0) {
501 BIO_printf(bio_err
, "parameter error \"%s\"\n", genopt
);
502 ERR_print_errors(bio_err
);
508 if (pkey_type
== EVP_PKEY_EC
) {
509 BIO_printf(bio_err
, "Generating an EC private key\n");
511 BIO_printf(bio_err
, "Generating a %ld bit %s private key\n",
515 EVP_PKEY_CTX_set_cb(genctx
, genpkey_cb
);
516 EVP_PKEY_CTX_set_app_data(genctx
, bio_err
);
518 if (EVP_PKEY_keygen(genctx
, &pkey
) <= 0) {
519 BIO_puts(bio_err
, "Error Generating Key\n");
523 EVP_PKEY_CTX_free(genctx
);
526 app_RAND_write_file(randfile
);
528 if (keyout
== NULL
) {
529 keyout
= NCONF_get_string(req_conf
, SECTION
, KEYFILE
);
535 BIO_printf(bio_err
, "writing new private key to stdout\n");
537 BIO_printf(bio_err
, "writing new private key to '%s'\n", keyout
);
538 out
= bio_open_owner(keyout
, outformat
, private);
542 p
= NCONF_get_string(req_conf
, SECTION
, "encrypt_rsa_key");
545 p
= NCONF_get_string(req_conf
, SECTION
, "encrypt_key");
549 if ((p
!= NULL
) && (strcmp(p
, "no") == 0))
557 if (!PEM_write_bio_PrivateKey(out
, pkey
, cipher
,
558 NULL
, 0, NULL
, passout
)) {
559 if ((ERR_GET_REASON(ERR_peek_error()) ==
560 PEM_R_PROBLEMS_GETTING_PASSWORD
) && (i
< 3)) {
569 BIO_printf(bio_err
, "-----\n");
573 in
= bio_open_default(infile
, 'r', informat
);
577 if (informat
== FORMAT_ASN1
)
578 req
= d2i_X509_REQ_bio(in
, NULL
);
580 req
= PEM_read_bio_X509_REQ(in
, NULL
, NULL
, NULL
);
582 BIO_printf(bio_err
, "unable to load X509 request\n");
587 if (newreq
|| x509
) {
589 BIO_printf(bio_err
, "you need to specify a private key\n");
594 req
= X509_REQ_new();
599 i
= make_REQ(req
, pkey
, subj
, multirdn
, !x509
, chtype
);
600 subj
= NULL
; /* done processing '-subj' option */
602 BIO_printf(bio_err
, "problems making Certificate Request\n");
609 if ((x509ss
= X509_new()) == NULL
)
612 /* Set version to V3 */
613 if (extensions
!= NULL
&& !X509_set_version(x509ss
, 2))
615 if (serial
!= NULL
) {
616 if (!X509_set_serialNumber(x509ss
, serial
))
619 if (!rand_serial(NULL
, X509_get_serialNumber(x509ss
)))
623 if (!X509_set_issuer_name(x509ss
, X509_REQ_get_subject_name(req
)))
625 if (!set_cert_times(x509ss
, NULL
, NULL
, days
))
627 if (!X509_set_subject_name
628 (x509ss
, X509_REQ_get_subject_name(req
)))
630 tmppkey
= X509_REQ_get0_pubkey(req
);
631 if (!tmppkey
|| !X509_set_pubkey(x509ss
, tmppkey
))
634 /* Set up V3 context struct */
636 X509V3_set_ctx(&ext_ctx
, x509ss
, x509ss
, NULL
, NULL
, 0);
637 X509V3_set_nconf(&ext_ctx
, req_conf
);
640 if (extensions
!= NULL
&& !X509V3_EXT_add_nconf(req_conf
,
641 &ext_ctx
, extensions
,
643 BIO_printf(bio_err
, "Error Loading extension section %s\n",
648 /* If a pre-cert was requested, we need to add a poison extension */
650 if (X509_add1_ext_i2d(x509ss
, NID_ct_precert_poison
, NULL
, 1, 0)
652 BIO_printf(bio_err
, "Error adding poison extension\n");
657 i
= do_X509_sign(x509ss
, pkey
, digest
, sigopts
);
659 ERR_print_errors(bio_err
);
665 /* Set up V3 context struct */
667 X509V3_set_ctx(&ext_ctx
, NULL
, NULL
, req
, NULL
, 0);
668 X509V3_set_nconf(&ext_ctx
, req_conf
);
672 && !X509V3_EXT_REQ_add_nconf(req_conf
, &ext_ctx
,
674 BIO_printf(bio_err
, "Error Loading extension section %s\n",
678 i
= do_X509_REQ_sign(req
, pkey
, digest
, sigopts
);
680 ERR_print_errors(bio_err
);
687 BIO_printf(bio_err
, "Cannot modify certificate subject\n");
693 BIO_printf(bio_err
, "Modifying Request's Subject\n");
694 print_name(bio_err
, "old subject=",
695 X509_REQ_get_subject_name(req
), get_nameopt());
698 if (build_subject(req
, subj
, chtype
, multirdn
) == 0) {
699 BIO_printf(bio_err
, "ERROR: cannot modify subject\n");
705 print_name(bio_err
, "new subject=",
706 X509_REQ_get_subject_name(req
), get_nameopt());
710 if (verify
&& !x509
) {
711 EVP_PKEY
*tpubkey
= pkey
;
713 if (tpubkey
== NULL
) {
714 tpubkey
= X509_REQ_get0_pubkey(req
);
719 i
= X509_REQ_verify(req
, tpubkey
);
724 BIO_printf(bio_err
, "verify failure\n");
725 ERR_print_errors(bio_err
);
726 } else { /* if (i > 0) */
727 BIO_printf(bio_err
, "verify OK\n");
731 if (noout
&& !text
&& !modulus
&& !subject
&& !pubkey
) {
736 out
= bio_open_default(outfile
,
737 keyout
!= NULL
&& outfile
!= NULL
&&
738 strcmp(keyout
, outfile
) == 0 ? 'a' : 'w',
744 EVP_PKEY
*tpubkey
= X509_REQ_get0_pubkey(req
);
746 if (tpubkey
== NULL
) {
747 BIO_printf(bio_err
, "Error getting public key\n");
748 ERR_print_errors(bio_err
);
751 PEM_write_bio_PUBKEY(out
, tpubkey
);
756 X509_print_ex(out
, x509ss
, get_nameopt(), reqflag
);
758 X509_REQ_print_ex(out
, req
, get_nameopt(), reqflag
);
763 print_name(out
, "subject=", X509_get_subject_name(x509ss
),
766 print_name(out
, "subject=", X509_REQ_get_subject_name(req
),
774 tpubkey
= X509_get0_pubkey(x509ss
);
776 tpubkey
= X509_REQ_get0_pubkey(req
);
777 if (tpubkey
== NULL
) {
778 fprintf(stdout
, "Modulus=unavailable\n");
781 fprintf(stdout
, "Modulus=");
782 #ifndef OPENSSL_NO_RSA
783 if (EVP_PKEY_base_id(tpubkey
) == EVP_PKEY_RSA
) {
785 RSA_get0_key(EVP_PKEY_get0_RSA(tpubkey
), &n
, NULL
, NULL
);
789 fprintf(stdout
, "Wrong Algorithm type");
790 fprintf(stdout
, "\n");
793 if (!noout
&& !x509
) {
794 if (outformat
== FORMAT_ASN1
)
795 i
= i2d_X509_REQ_bio(out
, req
);
797 i
= PEM_write_bio_X509_REQ_NEW(out
, req
);
799 i
= PEM_write_bio_X509_REQ(out
, req
);
801 BIO_printf(bio_err
, "unable to write X509 request\n");
805 if (!noout
&& x509
&& (x509ss
!= NULL
)) {
806 if (outformat
== FORMAT_ASN1
)
807 i
= i2d_X509_bio(out
, x509ss
);
809 i
= PEM_write_bio_X509(out
, x509ss
);
811 BIO_printf(bio_err
, "unable to write X509 certificate\n");
818 ERR_print_errors(bio_err
);
820 NCONF_free(req_conf
);
824 EVP_PKEY_CTX_free(genctx
);
825 sk_OPENSSL_STRING_free(pkeyopts
);
826 sk_OPENSSL_STRING_free(sigopts
);
827 #ifndef OPENSSL_NO_ENGINE
828 ENGINE_free(gen_eng
);
830 OPENSSL_free(keyalgstr
);
833 ASN1_INTEGER_free(serial
);
835 if (passin
!= nofree_passin
)
836 OPENSSL_free(passin
);
837 if (passout
!= nofree_passout
)
838 OPENSSL_free(passout
);
842 static int make_REQ(X509_REQ
*req
, EVP_PKEY
*pkey
, char *subj
, int multirdn
,
843 int attribs
, unsigned long chtype
)
847 STACK_OF(CONF_VALUE
) *dn_sk
, *attr_sk
= NULL
;
848 char *tmp
, *dn_sect
, *attr_sect
;
850 tmp
= NCONF_get_string(req_conf
, SECTION
, PROMPT
);
853 if ((tmp
!= NULL
) && strcmp(tmp
, "no") == 0)
856 dn_sect
= NCONF_get_string(req_conf
, SECTION
, DISTINGUISHED_NAME
);
857 if (dn_sect
== NULL
) {
858 BIO_printf(bio_err
, "unable to find '%s' in config\n",
862 dn_sk
= NCONF_get_section(req_conf
, dn_sect
);
864 BIO_printf(bio_err
, "unable to get '%s' section\n", dn_sect
);
868 attr_sect
= NCONF_get_string(req_conf
, SECTION
, ATTRIBUTES
);
869 if (attr_sect
== NULL
) {
873 attr_sk
= NCONF_get_section(req_conf
, attr_sect
);
874 if (attr_sk
== NULL
) {
875 BIO_printf(bio_err
, "unable to get '%s' section\n", attr_sect
);
880 /* setup version number */
881 if (!X509_REQ_set_version(req
, 0L))
882 goto err
; /* version 1 */
885 i
= build_subject(req
, subj
, chtype
, multirdn
);
887 i
= auto_info(req
, dn_sk
, attr_sk
, attribs
, chtype
);
889 i
= prompt_info(req
, dn_sk
, dn_sect
, attr_sk
, attr_sect
, attribs
,
894 if (!X509_REQ_set_pubkey(req
, pkey
))
903 * subject is expected to be in the format /type0=value0/type1=value1/type2=...
904 * where characters may be escaped by \
906 static int build_subject(X509_REQ
*req
, const char *subject
, unsigned long chtype
,
911 if ((n
= parse_name(subject
, chtype
, multirdn
)) == NULL
)
914 if (!X509_REQ_set_subject_name(req
, n
)) {
922 static int prompt_info(X509_REQ
*req
,
923 STACK_OF(CONF_VALUE
) *dn_sk
, const char *dn_sect
,
924 STACK_OF(CONF_VALUE
) *attr_sk
, const char *attr_sect
,
925 int attribs
, unsigned long chtype
)
936 subj
= X509_REQ_get_subject_name(req
);
940 "You are about to be asked to enter information that will be incorporated\n");
941 BIO_printf(bio_err
, "into your certificate request.\n");
943 "What you are about to enter is what is called a Distinguished Name or a DN.\n");
945 "There are quite a few fields but you can leave some blank\n");
947 "For some fields there will be a default value,\n");
949 "If you enter '.', the field will be left blank.\n");
950 BIO_printf(bio_err
, "-----\n");
953 if (sk_CONF_VALUE_num(dn_sk
)) {
958 if (sk_CONF_VALUE_num(dn_sk
) <= i
)
961 v
= sk_CONF_VALUE_value(dn_sk
, i
);
964 if (!check_end(type
, "_min") || !check_end(type
, "_max") ||
965 !check_end(type
, "_default") || !check_end(type
, "_value"))
968 * Skip past any leading X. X: X, etc to allow for multiple
971 for (p
= v
->name
; *p
; p
++)
972 if ((*p
== ':') || (*p
== ',') || (*p
== '.')) {
984 /* If OBJ not recognised ignore it */
985 if ((nid
= OBJ_txt2nid(type
)) == NID_undef
)
987 if (BIO_snprintf(buf
, sizeof buf
, "%s_default", v
->name
)
988 >= (int)sizeof(buf
)) {
989 BIO_printf(bio_err
, "Name '%s' too long\n", v
->name
);
993 if ((def
= NCONF_get_string(req_conf
, dn_sect
, buf
)) == NULL
) {
998 BIO_snprintf(buf
, sizeof buf
, "%s_value", v
->name
);
999 if ((value
= NCONF_get_string(req_conf
, dn_sect
, buf
)) == NULL
) {
1004 BIO_snprintf(buf
, sizeof buf
, "%s_min", v
->name
);
1005 if (!NCONF_get_number(req_conf
, dn_sect
, buf
, &n_min
)) {
1010 BIO_snprintf(buf
, sizeof buf
, "%s_max", v
->name
);
1011 if (!NCONF_get_number(req_conf
, dn_sect
, buf
, &n_max
)) {
1016 if (!add_DN_object(subj
, v
->value
, def
, value
, nid
,
1017 n_min
, n_max
, chtype
, mval
))
1020 if (X509_NAME_entry_count(subj
) == 0) {
1022 "error, no objects specified in config file\n");
1027 if ((attr_sk
!= NULL
) && (sk_CONF_VALUE_num(attr_sk
) > 0)
1030 "\nPlease enter the following 'extra' attributes\n");
1032 "to be sent with your certificate request\n");
1039 if ((attr_sk
== NULL
) || (sk_CONF_VALUE_num(attr_sk
) <= i
))
1042 v
= sk_CONF_VALUE_value(attr_sk
, i
);
1044 if ((nid
= OBJ_txt2nid(type
)) == NID_undef
)
1047 if (BIO_snprintf(buf
, sizeof buf
, "%s_default", type
)
1048 >= (int)sizeof(buf
)) {
1049 BIO_printf(bio_err
, "Name '%s' too long\n", v
->name
);
1053 if ((def
= NCONF_get_string(req_conf
, attr_sect
, buf
))
1059 BIO_snprintf(buf
, sizeof buf
, "%s_value", type
);
1060 if ((value
= NCONF_get_string(req_conf
, attr_sect
, buf
))
1066 BIO_snprintf(buf
, sizeof buf
, "%s_min", type
);
1067 if (!NCONF_get_number(req_conf
, attr_sect
, buf
, &n_min
)) {
1072 BIO_snprintf(buf
, sizeof buf
, "%s_max", type
);
1073 if (!NCONF_get_number(req_conf
, attr_sect
, buf
, &n_max
)) {
1078 if (!add_attribute_object(req
,
1079 v
->value
, def
, value
, nid
, n_min
,
1085 BIO_printf(bio_err
, "No template, please set one up.\n");
1093 static int auto_info(X509_REQ
*req
, STACK_OF(CONF_VALUE
) *dn_sk
,
1094 STACK_OF(CONF_VALUE
) *attr_sk
, int attribs
,
1095 unsigned long chtype
)
1097 int i
, spec_char
, plus_char
;
1103 subj
= X509_REQ_get_subject_name(req
);
1105 for (i
= 0; i
< sk_CONF_VALUE_num(dn_sk
); i
++) {
1107 v
= sk_CONF_VALUE_value(dn_sk
, i
);
1111 * Skip past any leading X. X: X, etc to allow for multiple instances
1113 for (p
= v
->name
; *p
; p
++) {
1114 #ifndef CHARSET_EBCDIC
1115 spec_char
= ((*p
== ':') || (*p
== ',') || (*p
== '.'));
1117 spec_char
= ((*p
== os_toascii
[':']) || (*p
== os_toascii
[','])
1118 || (*p
== os_toascii
['.']));
1127 #ifndef CHARSET_EBCDIC
1128 plus_char
= (*type
== '+');
1130 plus_char
= (*type
== os_toascii
['+']);
1138 if (!X509_NAME_add_entry_by_txt(subj
, type
, chtype
,
1139 (unsigned char *)v
->value
, -1, -1,
1145 if (!X509_NAME_entry_count(subj
)) {
1146 BIO_printf(bio_err
, "error, no objects specified in config file\n");
1150 for (i
= 0; i
< sk_CONF_VALUE_num(attr_sk
); i
++) {
1151 v
= sk_CONF_VALUE_value(attr_sk
, i
);
1152 if (!X509_REQ_add1_attr_by_txt(req
, v
->name
, chtype
,
1153 (unsigned char *)v
->value
, -1))
1160 static int add_DN_object(X509_NAME
*n
, char *text
, const char *def
,
1161 char *value
, int nid
, int n_min
, int n_max
,
1162 unsigned long chtype
, int mval
)
1168 BIO_printf(bio_err
, "%s [%s]:", text
, def
);
1169 (void)BIO_flush(bio_err
);
1170 if (value
!= NULL
) {
1171 OPENSSL_strlcpy(buf
, value
, sizeof buf
);
1172 OPENSSL_strlcat(buf
, "\n", sizeof buf
);
1173 BIO_printf(bio_err
, "%s\n", value
);
1177 if (!fgets(buf
, sizeof buf
, stdin
))
1187 if (buf
[0] == '\n') {
1188 if ((def
== NULL
) || (def
[0] == '\0'))
1190 OPENSSL_strlcpy(buf
, def
, sizeof buf
);
1191 OPENSSL_strlcat(buf
, "\n", sizeof buf
);
1192 } else if ((buf
[0] == '.') && (buf
[1] == '\n')) {
1197 if (buf
[i
- 1] != '\n') {
1198 BIO_printf(bio_err
, "weird input :-(\n");
1202 #ifdef CHARSET_EBCDIC
1203 ebcdic2ascii(buf
, buf
, i
);
1205 if (!req_check_len(i
, n_min
, n_max
)) {
1211 if (!X509_NAME_add_entry_by_NID(n
, nid
, chtype
,
1212 (unsigned char *)buf
, -1, -1, mval
))
1219 static int add_attribute_object(X509_REQ
*req
, char *text
, const char *def
,
1220 char *value
, int nid
, int n_min
,
1221 int n_max
, unsigned long chtype
)
1224 static char buf
[1024];
1228 BIO_printf(bio_err
, "%s [%s]:", text
, def
);
1229 (void)BIO_flush(bio_err
);
1230 if (value
!= NULL
) {
1231 OPENSSL_strlcpy(buf
, value
, sizeof buf
);
1232 OPENSSL_strlcat(buf
, "\n", sizeof buf
);
1233 BIO_printf(bio_err
, "%s\n", value
);
1237 if (!fgets(buf
, sizeof buf
, stdin
))
1247 if (buf
[0] == '\n') {
1248 if ((def
== NULL
) || (def
[0] == '\0'))
1250 OPENSSL_strlcpy(buf
, def
, sizeof buf
);
1251 OPENSSL_strlcat(buf
, "\n", sizeof buf
);
1252 } else if ((buf
[0] == '.') && (buf
[1] == '\n')) {
1257 if (buf
[i
- 1] != '\n') {
1258 BIO_printf(bio_err
, "weird input :-(\n");
1262 #ifdef CHARSET_EBCDIC
1263 ebcdic2ascii(buf
, buf
, i
);
1265 if (!req_check_len(i
, n_min
, n_max
)) {
1271 if (!X509_REQ_add1_attr_by_NID(req
, nid
, chtype
,
1272 (unsigned char *)buf
, -1)) {
1273 BIO_printf(bio_err
, "Error adding attribute\n");
1274 ERR_print_errors(bio_err
);
1283 static int req_check_len(int len
, int n_min
, int n_max
)
1285 if ((n_min
> 0) && (len
< n_min
)) {
1287 "string is too short, it needs to be at least %d bytes long\n",
1291 if ((n_max
>= 0) && (len
> n_max
)) {
1293 "string is too long, it needs to be no more than %d bytes long\n",
1300 /* Check if the end of a string matches 'end' */
1301 static int check_end(const char *str
, const char *end
)
1309 tmp
= str
+ slen
- elen
;
1310 return strcmp(tmp
, end
);
1313 static EVP_PKEY_CTX
*set_keygen_ctx(const char *gstr
,
1314 int *pkey_type
, long *pkeylen
,
1315 char **palgnam
, ENGINE
*keygen_engine
)
1317 EVP_PKEY_CTX
*gctx
= NULL
;
1318 EVP_PKEY
*param
= NULL
;
1321 const char *paramfile
= NULL
;
1324 *pkey_type
= EVP_PKEY_RSA
;
1326 } else if (gstr
[0] >= '0' && gstr
[0] <= '9') {
1327 *pkey_type
= EVP_PKEY_RSA
;
1328 keylen
= atol(gstr
);
1330 } else if (strncmp(gstr
, "param:", 6) == 0) {
1331 paramfile
= gstr
+ 6;
1333 const char *p
= strchr(gstr
, ':');
1336 const EVP_PKEY_ASN1_METHOD
*ameth
;
1343 * The lookup of a the string will cover all engines so keep a note
1344 * of the implementation.
1347 ameth
= EVP_PKEY_asn1_find_str(&tmpeng
, gstr
, len
);
1349 if (ameth
== NULL
) {
1350 BIO_printf(bio_err
, "Unknown algorithm %.*s\n", len
, gstr
);
1354 EVP_PKEY_asn1_get0_info(NULL
, pkey_type
, NULL
, NULL
, NULL
, ameth
);
1355 #ifndef OPENSSL_NO_ENGINE
1356 ENGINE_finish(tmpeng
);
1358 if (*pkey_type
== EVP_PKEY_RSA
) {
1360 keylen
= atol(p
+ 1);
1365 } else if (p
!= NULL
) {
1370 if (paramfile
!= NULL
) {
1371 pbio
= BIO_new_file(paramfile
, "r");
1373 BIO_printf(bio_err
, "Can't open parameter file %s\n", paramfile
);
1376 param
= PEM_read_bio_Parameters(pbio
, NULL
);
1378 if (param
== NULL
) {
1381 (void)BIO_reset(pbio
);
1382 x
= PEM_read_bio_X509(pbio
, NULL
, NULL
, NULL
);
1384 param
= X509_get_pubkey(x
);
1391 if (param
== NULL
) {
1392 BIO_printf(bio_err
, "Error reading parameter file %s\n", paramfile
);
1395 if (*pkey_type
== -1) {
1396 *pkey_type
= EVP_PKEY_id(param
);
1397 } else if (*pkey_type
!= EVP_PKEY_base_id(param
)) {
1398 BIO_printf(bio_err
, "Key Type does not match parameters\n");
1399 EVP_PKEY_free(param
);
1404 if (palgnam
!= NULL
) {
1405 const EVP_PKEY_ASN1_METHOD
*ameth
;
1409 ameth
= EVP_PKEY_asn1_find(&tmpeng
, *pkey_type
);
1410 if (ameth
== NULL
) {
1411 BIO_puts(bio_err
, "Internal error: can't find key algorithm\n");
1414 EVP_PKEY_asn1_get0_info(NULL
, NULL
, NULL
, NULL
, &anam
, ameth
);
1415 *palgnam
= OPENSSL_strdup(anam
);
1416 #ifndef OPENSSL_NO_ENGINE
1417 ENGINE_finish(tmpeng
);
1421 if (param
!= NULL
) {
1422 gctx
= EVP_PKEY_CTX_new(param
, keygen_engine
);
1423 *pkeylen
= EVP_PKEY_bits(param
);
1424 EVP_PKEY_free(param
);
1426 gctx
= EVP_PKEY_CTX_new_id(*pkey_type
, keygen_engine
);
1430 BIO_puts(bio_err
, "Error allocating keygen context\n");
1431 ERR_print_errors(bio_err
);
1435 if (EVP_PKEY_keygen_init(gctx
) <= 0) {
1436 BIO_puts(bio_err
, "Error initializing keygen context\n");
1437 ERR_print_errors(bio_err
);
1438 EVP_PKEY_CTX_free(gctx
);
1441 #ifndef OPENSSL_NO_RSA
1442 if ((*pkey_type
== EVP_PKEY_RSA
) && (keylen
!= -1)) {
1443 if (EVP_PKEY_CTX_set_rsa_keygen_bits(gctx
, keylen
) <= 0) {
1444 BIO_puts(bio_err
, "Error setting RSA keysize\n");
1445 ERR_print_errors(bio_err
);
1446 EVP_PKEY_CTX_free(gctx
);
1455 static int genpkey_cb(EVP_PKEY_CTX
*ctx
)
1458 BIO
*b
= EVP_PKEY_CTX_get_app_data(ctx
);
1460 p
= EVP_PKEY_CTX_get_keygen_info(ctx
, 0);
1469 BIO_write(b
, &c
, 1);
1474 static int do_sign_init(EVP_MD_CTX
*ctx
, EVP_PKEY
*pkey
,
1475 const EVP_MD
*md
, STACK_OF(OPENSSL_STRING
) *sigopts
)
1477 EVP_PKEY_CTX
*pkctx
= NULL
;
1482 if (!EVP_DigestSignInit(ctx
, &pkctx
, md
, NULL
, pkey
))
1484 for (i
= 0; i
< sk_OPENSSL_STRING_num(sigopts
); i
++) {
1485 char *sigopt
= sk_OPENSSL_STRING_value(sigopts
, i
);
1486 if (pkey_ctrl_string(pkctx
, sigopt
) <= 0) {
1487 BIO_printf(bio_err
, "parameter error \"%s\"\n", sigopt
);
1488 ERR_print_errors(bio_err
);
1495 int do_X509_sign(X509
*x
, EVP_PKEY
*pkey
, const EVP_MD
*md
,
1496 STACK_OF(OPENSSL_STRING
) *sigopts
)
1499 EVP_MD_CTX
*mctx
= EVP_MD_CTX_new();
1501 rv
= do_sign_init(mctx
, pkey
, md
, sigopts
);
1503 rv
= X509_sign_ctx(x
, mctx
);
1504 EVP_MD_CTX_free(mctx
);
1505 return rv
> 0 ? 1 : 0;
1508 int do_X509_REQ_sign(X509_REQ
*x
, EVP_PKEY
*pkey
, const EVP_MD
*md
,
1509 STACK_OF(OPENSSL_STRING
) *sigopts
)
1512 EVP_MD_CTX
*mctx
= EVP_MD_CTX_new();
1513 rv
= do_sign_init(mctx
, pkey
, md
, sigopts
);
1515 rv
= X509_REQ_sign_ctx(x
, mctx
);
1516 EVP_MD_CTX_free(mctx
);
1517 return rv
> 0 ? 1 : 0;
1520 int do_X509_CRL_sign(X509_CRL
*x
, EVP_PKEY
*pkey
, const EVP_MD
*md
,
1521 STACK_OF(OPENSSL_STRING
) *sigopts
)
1524 EVP_MD_CTX
*mctx
= EVP_MD_CTX_new();
1525 rv
= do_sign_init(mctx
, pkey
, md
, sigopts
);
1527 rv
= X509_CRL_sign_ctx(x
, mctx
);
1528 EVP_MD_CTX_free(mctx
);
1529 return rv
> 0 ? 1 : 0;