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1.18 ! inoguchi 1: /* $OpenBSD: req.c,v 1.17 2019/11/06 10:35:40 inoguchi Exp $ */
1.1 jsing 2: /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3: * All rights reserved.
4: *
5: * This package is an SSL implementation written
6: * by Eric Young (eay@cryptsoft.com).
7: * The implementation was written so as to conform with Netscapes SSL.
8: *
9: * This library is free for commercial and non-commercial use as long as
10: * the following conditions are aheared to. The following conditions
11: * apply to all code found in this distribution, be it the RC4, RSA,
12: * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13: * included with this distribution is covered by the same copyright terms
14: * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15: *
16: * Copyright remains Eric Young's, and as such any Copyright notices in
17: * the code are not to be removed.
18: * If this package is used in a product, Eric Young should be given attribution
19: * as the author of the parts of the library used.
20: * This can be in the form of a textual message at program startup or
21: * in documentation (online or textual) provided with the package.
22: *
23: * Redistribution and use in source and binary forms, with or without
24: * modification, are permitted provided that the following conditions
25: * are met:
26: * 1. Redistributions of source code must retain the copyright
27: * notice, this list of conditions and the following disclaimer.
28: * 2. Redistributions in binary form must reproduce the above copyright
29: * notice, this list of conditions and the following disclaimer in the
30: * documentation and/or other materials provided with the distribution.
31: * 3. All advertising materials mentioning features or use of this software
32: * must display the following acknowledgement:
33: * "This product includes cryptographic software written by
34: * Eric Young (eay@cryptsoft.com)"
35: * The word 'cryptographic' can be left out if the rouines from the library
36: * being used are not cryptographic related :-).
37: * 4. If you include any Windows specific code (or a derivative thereof) from
38: * the apps directory (application code) you must include an acknowledgement:
39: * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40: *
41: * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44: * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51: * SUCH DAMAGE.
52: *
53: * The licence and distribution terms for any publically available version or
54: * derivative of this code cannot be changed. i.e. this code cannot simply be
55: * copied and put under another distribution licence
56: * [including the GNU Public Licence.]
57: */
58:
59: /* Until the key-gen callbacks are modified to use newer prototypes, we allow
60: * deprecated functions for openssl-internal code */
61: #ifdef OPENSSL_NO_DEPRECATED
62: #undef OPENSSL_NO_DEPRECATED
63: #endif
64:
1.17 inoguchi 65: #include <ctype.h>
66: #include <limits.h>
1.1 jsing 67: #include <stdio.h>
68: #include <stdlib.h>
69: #include <string.h>
70: #include <time.h>
71:
72: #include "apps.h"
73:
74: #include <openssl/asn1.h>
75: #include <openssl/bio.h>
76: #include <openssl/bn.h>
77: #include <openssl/conf.h>
78: #include <openssl/err.h>
79: #include <openssl/evp.h>
80: #include <openssl/objects.h>
81: #include <openssl/pem.h>
82: #include <openssl/x509.h>
83: #include <openssl/x509v3.h>
84:
85: #include <openssl/dsa.h>
86:
87: #include <openssl/rsa.h>
88:
89: #define SECTION "req"
90:
91: #define BITS "default_bits"
92: #define KEYFILE "default_keyfile"
93: #define PROMPT "prompt"
94: #define DISTINGUISHED_NAME "distinguished_name"
95: #define ATTRIBUTES "attributes"
96: #define V3_EXTENSIONS "x509_extensions"
97: #define REQ_EXTENSIONS "req_extensions"
98: #define STRING_MASK "string_mask"
99: #define UTF8_IN "utf8"
100:
1.3 sthen 101: #define DEFAULT_KEY_LENGTH 2048
1.1 jsing 102: #define MIN_KEY_LENGTH 384
103:
104:
105: /* -inform arg - input format - default PEM (DER or PEM)
106: * -outform arg - output format - default PEM
107: * -in arg - input file - default stdin
108: * -out arg - output file - default stdout
109: * -verify - check request signature
110: * -noout - don't print stuff out.
111: * -text - print out human readable text.
112: * -nodes - no des encryption
113: * -config file - Load configuration file.
114: * -key file - make a request using key in file (or use it for verification).
115: * -keyform arg - key file format.
116: * -newkey - make a key and a request.
117: * -modulus - print RSA modulus.
118: * -pubkey - output Public Key.
119: * -x509 - output a self signed X509 structure instead.
120: * -asn1-kludge - output new certificate request in a format that some CA's
121: * require. This format is wrong
122: */
123:
1.13 miod 124: static int make_REQ(X509_REQ * req, EVP_PKEY * pkey, char *dn, int multirdn,
1.1 jsing 125: int attribs, unsigned long chtype);
126: static int build_subject(X509_REQ * req, char *subj, unsigned long chtype,
127: int multirdn);
128: static int prompt_info(X509_REQ * req,
129: STACK_OF(CONF_VALUE) * dn_sk, char *dn_sect,
130: STACK_OF(CONF_VALUE) * attr_sk, char *attr_sect, int attribs,
131: unsigned long chtype);
132: static int auto_info(X509_REQ * req, STACK_OF(CONF_VALUE) * sk,
133: STACK_OF(CONF_VALUE) * attr, int attribs,
134: unsigned long chtype);
135: static int add_attribute_object(X509_REQ * req, char *text, const char *def,
136: char *value, int nid, int n_min,
137: int n_max, unsigned long chtype);
138: static int add_DN_object(X509_NAME * n, char *text, const char *def, char *value,
139: int nid, int n_min, int n_max, unsigned long chtype, int mval);
140: static int genpkey_cb(EVP_PKEY_CTX * ctx);
141: static int req_check_len(int len, int n_min, int n_max);
142: static int check_end(const char *str, const char *end);
143: static EVP_PKEY_CTX *set_keygen_ctx(BIO * err, const char *gstr, int *pkey_type,
1.7 bcook 144: long *pkeylen, char **palgnam);
1.17 inoguchi 145: static unsigned long ext_name_hash(const OPENSSL_STRING *a);
146: static int ext_name_cmp(const OPENSSL_STRING *a, const OPENSSL_STRING *b);
147: static void exts_cleanup(OPENSSL_STRING *x);
148: static int duplicated(LHASH_OF(OPENSSL_STRING) *addexts, char *kv);
1.1 jsing 149: static CONF *req_conf = NULL;
1.17 inoguchi 150: static CONF *addext_conf = NULL;
1.1 jsing 151: static int batch = 0;
152:
153: int
154: req_main(int argc, char **argv)
155: {
156: unsigned long nmflag = 0, reqflag = 0;
157: int ex = 1, x509 = 0, days = 30;
158: X509 *x509ss = NULL;
159: X509_REQ *req = NULL;
160: EVP_PKEY_CTX *genctx = NULL;
161: const char *keyalg = NULL;
162: char *keyalgstr = NULL;
163: STACK_OF(OPENSSL_STRING) * pkeyopts = NULL, *sigopts = NULL;
1.17 inoguchi 164: LHASH_OF(OPENSSL_STRING) *addexts = NULL;
1.1 jsing 165: EVP_PKEY *pkey = NULL;
166: int i = 0, badops = 0, newreq = 0, verbose = 0, pkey_type = -1;
167: long newkey = -1;
168: BIO *in = NULL, *out = NULL;
169: int informat, outformat, verify = 0, noout = 0, text = 0, keyform = FORMAT_PEM;
170: int nodes = 0, kludge = 0, newhdr = 0, subject = 0, pubkey = 0;
171: char *infile, *outfile, *prog, *keyfile = NULL, *template = NULL,
172: *keyout = NULL;
1.17 inoguchi 173: BIO *addext_bio = NULL;
1.1 jsing 174: char *extensions = NULL;
175: char *req_exts = NULL;
176: const EVP_CIPHER *cipher = NULL;
177: ASN1_INTEGER *serial = NULL;
178: int modulus = 0;
179: char *passargin = NULL, *passargout = NULL;
180: char *passin = NULL, *passout = NULL;
181: char *p;
182: char *subj = NULL;
183: int multirdn = 0;
184: const EVP_MD *md_alg = NULL, *digest = NULL;
185: unsigned long chtype = MBSTRING_ASC;
1.10 doug 186:
187: if (single_execution) {
1.14 deraadt 188: if (pledge("stdio cpath wpath rpath tty", NULL) == -1) {
1.10 doug 189: perror("pledge");
1.12 doug 190: exit(1);
191: }
1.10 doug 192: }
1.1 jsing 193:
194: req_conf = NULL;
1.3 sthen 195: cipher = EVP_aes_256_cbc();
196: digest = EVP_sha256();
1.1 jsing 197:
198: infile = NULL;
199: outfile = NULL;
200: informat = FORMAT_PEM;
201: outformat = FORMAT_PEM;
202:
203: prog = argv[0];
204: argc--;
205: argv++;
206: while (argc >= 1) {
207: if (strcmp(*argv, "-inform") == 0) {
208: if (--argc < 1)
209: goto bad;
210: informat = str2fmt(*(++argv));
211: } else if (strcmp(*argv, "-outform") == 0) {
212: if (--argc < 1)
213: goto bad;
214: outformat = str2fmt(*(++argv));
215: }
216: else if (strcmp(*argv, "-key") == 0) {
217: if (--argc < 1)
218: goto bad;
219: keyfile = *(++argv);
220: } else if (strcmp(*argv, "-pubkey") == 0) {
221: pubkey = 1;
222: } else if (strcmp(*argv, "-new") == 0) {
223: newreq = 1;
224: } else if (strcmp(*argv, "-config") == 0) {
225: if (--argc < 1)
226: goto bad;
227: template = *(++argv);
228: } else if (strcmp(*argv, "-keyform") == 0) {
229: if (--argc < 1)
230: goto bad;
231: keyform = str2fmt(*(++argv));
232: } else if (strcmp(*argv, "-in") == 0) {
233: if (--argc < 1)
234: goto bad;
235: infile = *(++argv);
236: } else if (strcmp(*argv, "-out") == 0) {
237: if (--argc < 1)
238: goto bad;
239: outfile = *(++argv);
240: } else if (strcmp(*argv, "-keyout") == 0) {
241: if (--argc < 1)
242: goto bad;
243: keyout = *(++argv);
244: } else if (strcmp(*argv, "-passin") == 0) {
245: if (--argc < 1)
246: goto bad;
247: passargin = *(++argv);
248: } else if (strcmp(*argv, "-passout") == 0) {
249: if (--argc < 1)
250: goto bad;
251: passargout = *(++argv);
252: } else if (strcmp(*argv, "-newkey") == 0) {
253: if (--argc < 1)
254: goto bad;
255: keyalg = *(++argv);
256: newreq = 1;
257: } else if (strcmp(*argv, "-pkeyopt") == 0) {
258: if (--argc < 1)
259: goto bad;
260: if (!pkeyopts)
261: pkeyopts = sk_OPENSSL_STRING_new_null();
262: if (!pkeyopts || !sk_OPENSSL_STRING_push(pkeyopts, *(++argv)))
263: goto bad;
264: } else if (strcmp(*argv, "-sigopt") == 0) {
265: if (--argc < 1)
266: goto bad;
267: if (!sigopts)
268: sigopts = sk_OPENSSL_STRING_new_null();
269: if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, *(++argv)))
270: goto bad;
271: } else if (strcmp(*argv, "-batch") == 0)
272: batch = 1;
273: else if (strcmp(*argv, "-newhdr") == 0)
274: newhdr = 1;
275: else if (strcmp(*argv, "-modulus") == 0)
276: modulus = 1;
277: else if (strcmp(*argv, "-verify") == 0)
278: verify = 1;
279: else if (strcmp(*argv, "-nodes") == 0)
280: nodes = 1;
281: else if (strcmp(*argv, "-noout") == 0)
282: noout = 1;
283: else if (strcmp(*argv, "-verbose") == 0)
284: verbose = 1;
285: else if (strcmp(*argv, "-utf8") == 0)
286: chtype = MBSTRING_UTF8;
287: else if (strcmp(*argv, "-nameopt") == 0) {
288: if (--argc < 1)
289: goto bad;
290: if (!set_name_ex(&nmflag, *(++argv)))
291: goto bad;
292: } else if (strcmp(*argv, "-reqopt") == 0) {
293: if (--argc < 1)
294: goto bad;
295: if (!set_cert_ex(&reqflag, *(++argv)))
296: goto bad;
297: } else if (strcmp(*argv, "-subject") == 0)
298: subject = 1;
299: else if (strcmp(*argv, "-text") == 0)
300: text = 1;
301: else if (strcmp(*argv, "-x509") == 0)
302: x509 = 1;
303: else if (strcmp(*argv, "-asn1-kludge") == 0)
304: kludge = 1;
305: else if (strcmp(*argv, "-no-asn1-kludge") == 0)
306: kludge = 0;
307: else if (strcmp(*argv, "-subj") == 0) {
308: if (--argc < 1)
309: goto bad;
310: subj = *(++argv);
311: } else if (strcmp(*argv, "-multivalue-rdn") == 0)
312: multirdn = 1;
313: else if (strcmp(*argv, "-days") == 0) {
314: const char *errstr;
315:
316: if (--argc < 1)
317: goto bad;
318: days = strtonum(*(++argv), 1, INT_MAX, &errstr);
319: if (errstr) {
320: BIO_printf(bio_err, "bad -days %s, using 0: %s\n",
321: *argv, errstr);
322: days = 30;
323: }
324: } else if (strcmp(*argv, "-set_serial") == 0) {
325: if (--argc < 1)
326: goto bad;
327: serial = s2i_ASN1_INTEGER(NULL, *(++argv));
328: if (!serial)
329: goto bad;
1.17 inoguchi 330: } else if (strcmp(*argv, "-addext") == 0) {
331: if (--argc < 1)
332: goto bad;
333: p = *(++argv);
334: if (addexts == NULL) {
335: addexts = (LHASH_OF(OPENSSL_STRING) *)lh_new(
336: (LHASH_HASH_FN_TYPE)ext_name_hash,
337: (LHASH_COMP_FN_TYPE)ext_name_cmp);
338: addext_bio = BIO_new(BIO_s_mem());
339: if (addexts == NULL || addext_bio == NULL)
340: goto bad;
341: }
342: i = duplicated(addexts, p);
343: if (i == 1)
344: goto bad;
345: if (i < 0 || BIO_printf(addext_bio, "%s\n", p) < 0)
346: goto bad;
1.1 jsing 347: } else if (strcmp(*argv, "-extensions") == 0) {
348: if (--argc < 1)
349: goto bad;
350: extensions = *(++argv);
351: } else if (strcmp(*argv, "-reqexts") == 0) {
352: if (--argc < 1)
353: goto bad;
354: req_exts = *(++argv);
355: } else if ((md_alg = EVP_get_digestbyname(&((*argv)[1]))) != NULL) {
356: /* ok */
357: digest = md_alg;
358: } else {
359: BIO_printf(bio_err, "unknown option %s\n", *argv);
360: badops = 1;
361: break;
362: }
363: argc--;
364: argv++;
365: }
366:
367: if (badops) {
1.15 jsing 368: bad:
1.1 jsing 369: BIO_printf(bio_err, "%s [options] <infile >outfile\n", prog);
370: BIO_printf(bio_err, "where options are\n");
371: BIO_printf(bio_err, " -inform arg input format - DER or PEM\n");
372: BIO_printf(bio_err, " -outform arg output format - DER or PEM\n");
373: BIO_printf(bio_err, " -in arg input file\n");
374: BIO_printf(bio_err, " -out arg output file\n");
375: BIO_printf(bio_err, " -text text form of request\n");
376: BIO_printf(bio_err, " -pubkey output public key\n");
377: BIO_printf(bio_err, " -noout do not output REQ\n");
378: BIO_printf(bio_err, " -verify verify signature on REQ\n");
379: BIO_printf(bio_err, " -modulus RSA modulus\n");
380: BIO_printf(bio_err, " -nodes don't encrypt the output key\n");
381: BIO_printf(bio_err, " -subject output the request's subject\n");
382: BIO_printf(bio_err, " -passin private key password source\n");
383: BIO_printf(bio_err, " -key file use the private key contained in file\n");
384: BIO_printf(bio_err, " -keyform arg key file format\n");
385: BIO_printf(bio_err, " -keyout arg file to send the key to\n");
386: BIO_printf(bio_err, " -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
387: BIO_printf(bio_err, " -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
388: BIO_printf(bio_err, " -newkey ec:file generate a new EC key, parameters taken from CA in 'file'\n");
1.9 doug 389: BIO_printf(bio_err, " -[digest] Digest to sign with (md5, sha1, md4)\n");
1.1 jsing 390: BIO_printf(bio_err, " -config file request template file.\n");
391: BIO_printf(bio_err, " -subj arg set or modify request subject\n");
392: BIO_printf(bio_err, " -multivalue-rdn enable support for multivalued RDNs\n");
393: BIO_printf(bio_err, " -new new request.\n");
394: BIO_printf(bio_err, " -batch do not ask anything during request generation\n");
395: BIO_printf(bio_err, " -x509 output a x509 structure instead of a cert. req.\n");
396: BIO_printf(bio_err, " -days number of days a certificate generated by -x509 is valid for.\n");
397: BIO_printf(bio_err, " -set_serial serial number to use for a certificate generated by -x509.\n");
398: BIO_printf(bio_err, " -newhdr output \"NEW\" in the header lines\n");
399: BIO_printf(bio_err, " -asn1-kludge Output the 'request' in a format that is wrong but some CA's\n");
400: BIO_printf(bio_err, " have been reported as requiring\n");
1.17 inoguchi 401: BIO_printf(bio_err, " -addext .. additional cert extension key=value pair (may be given more than once)\n");
1.1 jsing 402: BIO_printf(bio_err, " -extensions .. specify certificate extension section (override value in config file)\n");
403: BIO_printf(bio_err, " -reqexts .. specify request extension section (override value in config file)\n");
404: BIO_printf(bio_err, " -utf8 input characters are UTF8 (default ASCII)\n");
405: BIO_printf(bio_err, " -nameopt arg - various certificate name options\n");
406: BIO_printf(bio_err, " -reqopt arg - various request text options\n\n");
407: goto end;
408: }
1.2 jsing 409:
1.1 jsing 410: if (!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
411: BIO_printf(bio_err, "Error getting passwords\n");
412: goto end;
413: }
414: if (template != NULL) {
415: long errline = -1;
416:
417: if (verbose)
418: BIO_printf(bio_err, "Using configuration from %s\n", template);
1.18 ! inoguchi 419: if ((req_conf = NCONF_new(NULL)) == NULL)
! 420: goto end;
! 421: if(!NCONF_load(req_conf, template, &errline)) {
1.1 jsing 422: BIO_printf(bio_err, "error on line %ld of %s\n", errline, template);
423: goto end;
424: }
425: } else {
426: req_conf = config;
427:
428: if (req_conf == NULL) {
429: BIO_printf(bio_err, "Unable to load config info from %s\n", default_config_file);
430: if (newreq)
431: goto end;
432: } else if (verbose)
433: BIO_printf(bio_err, "Using configuration from %s\n",
434: default_config_file);
435: }
436:
1.17 inoguchi 437: if (addext_bio != NULL) {
438: long errline = -1;
439: if (verbose)
440: BIO_printf(bio_err,
441: "Using additional configuration from command line\n");
1.18 ! inoguchi 442: if ((addext_conf = NCONF_new(NULL)) == NULL)
! 443: goto end;
! 444: if (!NCONF_load_bio(addext_conf, addext_bio, &errline)) {
1.17 inoguchi 445: BIO_printf(bio_err,
446: "req: Error on line %ld of config input\n",
447: errline);
448: goto end;
449: }
450: }
451:
1.1 jsing 452: if (req_conf != NULL) {
453: if (!load_config(bio_err, req_conf))
454: goto end;
455: p = NCONF_get_string(req_conf, NULL, "oid_file");
456: if (p == NULL)
457: ERR_clear_error();
458: if (p != NULL) {
459: BIO *oid_bio;
460:
461: oid_bio = BIO_new_file(p, "r");
462: if (oid_bio == NULL) {
463: /*
464: BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
465: ERR_print_errors(bio_err);
466: */
467: } else {
468: OBJ_create_objects(oid_bio);
469: BIO_free(oid_bio);
470: }
471: }
472: }
473: if (!add_oid_section(bio_err, req_conf))
474: goto end;
475:
476: if (md_alg == NULL) {
477: p = NCONF_get_string(req_conf, SECTION, "default_md");
478: if (p == NULL)
479: ERR_clear_error();
480: if (p != NULL) {
481: if ((md_alg = EVP_get_digestbyname(p)) != NULL)
482: digest = md_alg;
483: }
484: }
485: if (!extensions) {
486: extensions = NCONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
487: if (!extensions)
488: ERR_clear_error();
489: }
490: if (extensions) {
491: /* Check syntax of file */
492: X509V3_CTX ctx;
493: X509V3_set_ctx_test(&ctx);
494: X509V3_set_nconf(&ctx, req_conf);
495: if (!X509V3_EXT_add_nconf(req_conf, &ctx, extensions, NULL)) {
496: BIO_printf(bio_err,
497: "Error Loading extension section %s\n", extensions);
498: goto end;
499: }
500: }
1.17 inoguchi 501: if (addext_conf != NULL) {
502: /* Check syntax of command line extensions */
503: X509V3_CTX ctx;
504: X509V3_set_ctx_test(&ctx);
505: X509V3_set_nconf(&ctx, addext_conf);
506: if (!X509V3_EXT_add_nconf(addext_conf, &ctx, "default", NULL)) {
507: BIO_printf(bio_err,
508: "Error Loading command line extensions\n");
509: goto end;
510: }
511: }
1.1 jsing 512: if (!passin) {
513: passin = NCONF_get_string(req_conf, SECTION, "input_password");
514: if (!passin)
515: ERR_clear_error();
516: }
517: if (!passout) {
518: passout = NCONF_get_string(req_conf, SECTION, "output_password");
519: if (!passout)
520: ERR_clear_error();
521: }
522: p = NCONF_get_string(req_conf, SECTION, STRING_MASK);
523: if (!p)
524: ERR_clear_error();
525:
526: if (p && !ASN1_STRING_set_default_mask_asc(p)) {
527: BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
528: goto end;
529: }
530: if (chtype != MBSTRING_UTF8) {
531: p = NCONF_get_string(req_conf, SECTION, UTF8_IN);
532: if (!p)
533: ERR_clear_error();
534: else if (!strcmp(p, "yes"))
535: chtype = MBSTRING_UTF8;
536: }
537: if (!req_exts) {
538: req_exts = NCONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
539: if (!req_exts)
540: ERR_clear_error();
541: }
542: if (req_exts) {
543: /* Check syntax of file */
544: X509V3_CTX ctx;
545: X509V3_set_ctx_test(&ctx);
546: X509V3_set_nconf(&ctx, req_conf);
547: if (!X509V3_EXT_add_nconf(req_conf, &ctx, req_exts, NULL)) {
548: BIO_printf(bio_err,
549: "Error Loading request extension section %s\n",
550: req_exts);
551: goto end;
552: }
553: }
554: in = BIO_new(BIO_s_file());
555: out = BIO_new(BIO_s_file());
556: if ((in == NULL) || (out == NULL))
557: goto end;
558:
559: if (keyfile != NULL) {
1.7 bcook 560: pkey = load_key(bio_err, keyfile, keyform, 0, passin,
1.1 jsing 561: "Private Key");
562: if (!pkey) {
563: /*
564: * load_key() has already printed an appropriate
565: * message
566: */
567: goto end;
568: }
569: }
570: if (newreq && (pkey == NULL)) {
571: if (!NCONF_get_number(req_conf, SECTION, BITS, &newkey)) {
572: newkey = DEFAULT_KEY_LENGTH;
573: }
574: if (keyalg) {
575: genctx = set_keygen_ctx(bio_err, keyalg, &pkey_type, &newkey,
1.7 bcook 576: &keyalgstr);
1.1 jsing 577: if (!genctx)
578: goto end;
579: }
580: if (newkey < MIN_KEY_LENGTH && (pkey_type == EVP_PKEY_RSA || pkey_type == EVP_PKEY_DSA)) {
581: BIO_printf(bio_err, "private key length is too short,\n");
582: BIO_printf(bio_err, "it needs to be at least %d bits, not %ld\n", MIN_KEY_LENGTH, newkey);
583: goto end;
584: }
585: if (!genctx) {
586: genctx = set_keygen_ctx(bio_err, NULL, &pkey_type, &newkey,
1.7 bcook 587: &keyalgstr);
1.1 jsing 588: if (!genctx)
589: goto end;
590: }
591: if (pkeyopts) {
592: char *genopt;
593: for (i = 0; i < sk_OPENSSL_STRING_num(pkeyopts); i++) {
594: genopt = sk_OPENSSL_STRING_value(pkeyopts, i);
595: if (pkey_ctrl_string(genctx, genopt) <= 0) {
596: BIO_printf(bio_err,
597: "parameter error \"%s\"\n",
598: genopt);
599: ERR_print_errors(bio_err);
600: goto end;
601: }
602: }
603: }
604: BIO_printf(bio_err, "Generating a %ld bit %s private key\n",
605: newkey, keyalgstr);
606:
607: EVP_PKEY_CTX_set_cb(genctx, genpkey_cb);
608: EVP_PKEY_CTX_set_app_data(genctx, bio_err);
609:
610: if (EVP_PKEY_keygen(genctx, &pkey) <= 0) {
611: BIO_puts(bio_err, "Error Generating Key\n");
612: goto end;
613: }
614: EVP_PKEY_CTX_free(genctx);
615: genctx = NULL;
616:
617: if (keyout == NULL) {
618: keyout = NCONF_get_string(req_conf, SECTION, KEYFILE);
619: if (keyout == NULL)
620: ERR_clear_error();
621: }
622: if (keyout == NULL) {
623: BIO_printf(bio_err, "writing new private key to stdout\n");
624: BIO_set_fp(out, stdout, BIO_NOCLOSE);
625: } else {
626: BIO_printf(bio_err, "writing new private key to '%s'\n", keyout);
627: if (BIO_write_filename(out, keyout) <= 0) {
628: perror(keyout);
629: goto end;
630: }
631: }
632:
633: p = NCONF_get_string(req_conf, SECTION, "encrypt_rsa_key");
634: if (p == NULL) {
635: ERR_clear_error();
636: p = NCONF_get_string(req_conf, SECTION, "encrypt_key");
637: if (p == NULL)
638: ERR_clear_error();
639: }
640: if ((p != NULL) && (strcmp(p, "no") == 0))
641: cipher = NULL;
642: if (nodes)
643: cipher = NULL;
644:
645: i = 0;
1.15 jsing 646: loop:
1.1 jsing 647: if (!PEM_write_bio_PrivateKey(out, pkey, cipher,
648: NULL, 0, NULL, passout)) {
649: if ((ERR_GET_REASON(ERR_peek_error()) ==
650: PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3)) {
651: ERR_clear_error();
652: i++;
653: goto loop;
654: }
655: goto end;
656: }
657: BIO_printf(bio_err, "-----\n");
658: }
659: if (!newreq) {
660: /*
661: * Since we are using a pre-existing certificate request, the
662: * kludge 'format' info should not be changed.
663: */
664: kludge = -1;
665: if (infile == NULL)
666: BIO_set_fp(in, stdin, BIO_NOCLOSE);
667: else {
668: if (BIO_read_filename(in, infile) <= 0) {
669: perror(infile);
670: goto end;
671: }
672: }
673:
674: if (informat == FORMAT_ASN1)
675: req = d2i_X509_REQ_bio(in, NULL);
676: else if (informat == FORMAT_PEM)
677: req = PEM_read_bio_X509_REQ(in, NULL, NULL, NULL);
678: else {
679: BIO_printf(bio_err, "bad input format specified for X509 request\n");
680: goto end;
681: }
682: if (req == NULL) {
683: BIO_printf(bio_err, "unable to load X509 request\n");
684: goto end;
685: }
686: }
687: if (newreq || x509) {
688: if (pkey == NULL) {
689: BIO_printf(bio_err, "you need to specify a private key\n");
690: goto end;
691: }
692: if (req == NULL) {
693: req = X509_REQ_new();
694: if (req == NULL) {
695: goto end;
696: }
697: i = make_REQ(req, pkey, subj, multirdn, !x509, chtype);
698: subj = NULL; /* done processing '-subj' option */
699: if ((kludge > 0) && !sk_X509_ATTRIBUTE_num(req->req_info->attributes)) {
700: sk_X509_ATTRIBUTE_free(req->req_info->attributes);
701: req->req_info->attributes = NULL;
702: }
703: if (!i) {
704: BIO_printf(bio_err, "problems making Certificate Request\n");
705: goto end;
706: }
707: }
708: if (x509) {
709: EVP_PKEY *tmppkey;
710: X509V3_CTX ext_ctx;
711: if ((x509ss = X509_new()) == NULL)
712: goto end;
713:
714: /* Set version to V3 */
1.17 inoguchi 715: if ((extensions != NULL || addext_conf != NULL) &&
716: !X509_set_version(x509ss, 2))
1.1 jsing 717: goto end;
718: if (serial) {
719: if (!X509_set_serialNumber(x509ss, serial))
720: goto end;
721: } else {
722: if (!rand_serial(NULL,
723: X509_get_serialNumber(x509ss)))
724: goto end;
725: }
726:
727: if (!X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req)))
728: goto end;
729: if (!X509_gmtime_adj(X509_get_notBefore(x509ss), 0))
730: goto end;
731: if (!X509_time_adj_ex(X509_get_notAfter(x509ss), days, 0, NULL))
732: goto end;
733: if (!X509_set_subject_name(x509ss, X509_REQ_get_subject_name(req)))
734: goto end;
735: tmppkey = X509_REQ_get_pubkey(req);
736: if (!tmppkey || !X509_set_pubkey(x509ss, tmppkey))
737: goto end;
738: EVP_PKEY_free(tmppkey);
739:
740: /* Set up V3 context struct */
741:
742: X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
743: X509V3_set_nconf(&ext_ctx, req_conf);
744:
745: /* Add extensions */
746: if (extensions && !X509V3_EXT_add_nconf(req_conf,
747: &ext_ctx, extensions, x509ss)) {
748: BIO_printf(bio_err,
749: "Error Loading extension section %s\n",
750: extensions);
751: goto end;
752: }
1.17 inoguchi 753: if (addext_conf != NULL &&
754: !X509V3_EXT_add_nconf(addext_conf, &ext_ctx,
755: "default", x509ss)) {
756: BIO_printf(bio_err,
757: "Error Loading command line extensions\n");
758: goto end;
759: }
1.1 jsing 760: i = do_X509_sign(bio_err, x509ss, pkey, digest, sigopts);
761: if (!i) {
762: ERR_print_errors(bio_err);
763: goto end;
764: }
765: } else {
766: X509V3_CTX ext_ctx;
767:
768: /* Set up V3 context struct */
769:
770: X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
771: X509V3_set_nconf(&ext_ctx, req_conf);
772:
773: /* Add extensions */
774: if (req_exts && !X509V3_EXT_REQ_add_nconf(req_conf,
775: &ext_ctx, req_exts, req)) {
776: BIO_printf(bio_err,
777: "Error Loading extension section %s\n",
778: req_exts);
779: goto end;
780: }
1.17 inoguchi 781: if (addext_conf != NULL &&
782: !X509V3_EXT_REQ_add_nconf(addext_conf, &ext_ctx,
783: "default", req)) {
784: BIO_printf(bio_err,
785: "Error Loading command line extensions\n");
786: goto end;
787: }
1.1 jsing 788: i = do_X509_REQ_sign(bio_err, req, pkey, digest, sigopts);
789: if (!i) {
790: ERR_print_errors(bio_err);
791: goto end;
792: }
793: }
794: }
795: if (subj && x509) {
796: BIO_printf(bio_err, "Cannot modifiy certificate subject\n");
797: goto end;
798: }
799: if (subj && !x509) {
800: if (verbose) {
801: BIO_printf(bio_err, "Modifying Request's Subject\n");
802: print_name(bio_err, "old subject=", X509_REQ_get_subject_name(req), nmflag);
803: }
804: if (build_subject(req, subj, chtype, multirdn) == 0) {
805: BIO_printf(bio_err, "ERROR: cannot modify subject\n");
806: ex = 1;
807: goto end;
808: }
809: req->req_info->enc.modified = 1;
810:
811: if (verbose) {
812: print_name(bio_err, "new subject=", X509_REQ_get_subject_name(req), nmflag);
813: }
814: }
815: if (verify && !x509) {
816: int tmp = 0;
817:
818: if (pkey == NULL) {
819: pkey = X509_REQ_get_pubkey(req);
820: tmp = 1;
821: if (pkey == NULL)
822: goto end;
823: }
824: i = X509_REQ_verify(req, pkey);
825: if (tmp) {
826: EVP_PKEY_free(pkey);
827: pkey = NULL;
828: }
829: if (i < 0) {
830: goto end;
831: } else if (i == 0) {
832: BIO_printf(bio_err, "verify failure\n");
833: ERR_print_errors(bio_err);
834: } else /* if (i > 0) */
835: BIO_printf(bio_err, "verify OK\n");
836: }
837: if (noout && !text && !modulus && !subject && !pubkey) {
838: ex = 0;
839: goto end;
840: }
841: if (outfile == NULL) {
842: BIO_set_fp(out, stdout, BIO_NOCLOSE);
843: } else {
844: if ((keyout != NULL) && (strcmp(outfile, keyout) == 0))
845: i = (int) BIO_append_filename(out, outfile);
846: else
847: i = (int) BIO_write_filename(out, outfile);
848: if (!i) {
849: perror(outfile);
850: goto end;
851: }
852: }
853:
854: if (pubkey) {
855: EVP_PKEY *tpubkey;
856: tpubkey = X509_REQ_get_pubkey(req);
857: if (tpubkey == NULL) {
858: BIO_printf(bio_err, "Error getting public key\n");
859: ERR_print_errors(bio_err);
860: goto end;
861: }
862: PEM_write_bio_PUBKEY(out, tpubkey);
863: EVP_PKEY_free(tpubkey);
864: }
865: if (text) {
866: if (x509)
867: X509_print_ex(out, x509ss, nmflag, reqflag);
868: else
869: X509_REQ_print_ex(out, req, nmflag, reqflag);
870: }
871: if (subject) {
872: if (x509)
873: print_name(out, "subject=", X509_get_subject_name(x509ss), nmflag);
874: else
875: print_name(out, "subject=", X509_REQ_get_subject_name(req), nmflag);
876: }
877: if (modulus) {
878: EVP_PKEY *tpubkey;
879:
880: if (x509)
881: tpubkey = X509_get_pubkey(x509ss);
882: else
883: tpubkey = X509_REQ_get_pubkey(req);
884: if (tpubkey == NULL) {
885: fprintf(stdout, "Modulus=unavailable\n");
886: goto end;
887: }
888: fprintf(stdout, "Modulus=");
889: if (EVP_PKEY_base_id(tpubkey) == EVP_PKEY_RSA)
890: BN_print(out, tpubkey->pkey.rsa->n);
891: else
892: fprintf(stdout, "Wrong Algorithm type");
893: EVP_PKEY_free(tpubkey);
894: fprintf(stdout, "\n");
895: }
896: if (!noout && !x509) {
897: if (outformat == FORMAT_ASN1)
898: i = i2d_X509_REQ_bio(out, req);
899: else if (outformat == FORMAT_PEM) {
900: if (newhdr)
901: i = PEM_write_bio_X509_REQ_NEW(out, req);
902: else
903: i = PEM_write_bio_X509_REQ(out, req);
904: } else {
905: BIO_printf(bio_err, "bad output format specified for outfile\n");
906: goto end;
907: }
908: if (!i) {
909: BIO_printf(bio_err, "unable to write X509 request\n");
910: goto end;
911: }
912: }
913: if (!noout && x509 && (x509ss != NULL)) {
914: if (outformat == FORMAT_ASN1)
915: i = i2d_X509_bio(out, x509ss);
916: else if (outformat == FORMAT_PEM)
917: i = PEM_write_bio_X509(out, x509ss);
918: else {
919: BIO_printf(bio_err, "bad output format specified for outfile\n");
920: goto end;
921: }
922: if (!i) {
923: BIO_printf(bio_err, "unable to write X509 certificate\n");
924: goto end;
925: }
926: }
927: ex = 0;
1.15 jsing 928: end:
1.1 jsing 929: if (ex) {
930: ERR_print_errors(bio_err);
931: }
932: if ((req_conf != NULL) && (req_conf != config))
933: NCONF_free(req_conf);
1.17 inoguchi 934: NCONF_free(addext_conf);
935: BIO_free(addext_bio);
1.1 jsing 936: BIO_free(in);
937: BIO_free_all(out);
938: EVP_PKEY_free(pkey);
939: if (genctx)
940: EVP_PKEY_CTX_free(genctx);
941: if (pkeyopts)
942: sk_OPENSSL_STRING_free(pkeyopts);
943: if (sigopts)
944: sk_OPENSSL_STRING_free(sigopts);
1.17 inoguchi 945: lh_OPENSSL_STRING_doall(addexts, (LHASH_DOALL_FN_TYPE)exts_cleanup);
946: lh_OPENSSL_STRING_free(addexts);
1.1 jsing 947: free(keyalgstr);
948: X509_REQ_free(req);
949: X509_free(x509ss);
950: ASN1_INTEGER_free(serial);
951: if (passargin && passin)
952: free(passin);
953: if (passargout && passout)
954: free(passout);
955: OBJ_cleanup();
956:
957: return (ex);
958: }
959:
960: static int
961: make_REQ(X509_REQ * req, EVP_PKEY * pkey, char *subj, int multirdn,
962: int attribs, unsigned long chtype)
963: {
964: int ret = 0, i;
965: char no_prompt = 0;
966: STACK_OF(CONF_VALUE) * dn_sk, *attr_sk = NULL;
967: char *tmp, *dn_sect, *attr_sect;
968:
969: tmp = NCONF_get_string(req_conf, SECTION, PROMPT);
970: if (tmp == NULL)
971: ERR_clear_error();
972: if ((tmp != NULL) && !strcmp(tmp, "no"))
973: no_prompt = 1;
974:
975: dn_sect = NCONF_get_string(req_conf, SECTION, DISTINGUISHED_NAME);
976: if (dn_sect == NULL) {
977: BIO_printf(bio_err, "unable to find '%s' in config\n",
978: DISTINGUISHED_NAME);
979: goto err;
980: }
981: dn_sk = NCONF_get_section(req_conf, dn_sect);
982: if (dn_sk == NULL) {
983: BIO_printf(bio_err, "unable to get '%s' section\n", dn_sect);
984: goto err;
985: }
986: attr_sect = NCONF_get_string(req_conf, SECTION, ATTRIBUTES);
987: if (attr_sect == NULL) {
988: ERR_clear_error();
989: attr_sk = NULL;
990: } else {
991: attr_sk = NCONF_get_section(req_conf, attr_sect);
992: if (attr_sk == NULL) {
993: BIO_printf(bio_err, "unable to get '%s' section\n", attr_sect);
994: goto err;
995: }
996: }
997:
998: /* setup version number */
999: if (!X509_REQ_set_version(req, 0L))
1000: goto err; /* version 1 */
1001:
1002: if (no_prompt)
1003: i = auto_info(req, dn_sk, attr_sk, attribs, chtype);
1004: else {
1005: if (subj)
1006: i = build_subject(req, subj, chtype, multirdn);
1007: else
1008: i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs, chtype);
1009: }
1010: if (!i)
1011: goto err;
1012:
1013: if (!X509_REQ_set_pubkey(req, pkey))
1014: goto err;
1015:
1016: ret = 1;
1.15 jsing 1017: err:
1.1 jsing 1018: return (ret);
1019: }
1020:
1021: /*
1022: * subject is expected to be in the format /type0=value0/type1=value1/type2=...
1023: * where characters may be escaped by \
1024: */
1025: static int
1026: build_subject(X509_REQ * req, char *subject, unsigned long chtype, int multirdn)
1027: {
1028: X509_NAME *n;
1029:
1030: if (!(n = parse_name(subject, chtype, multirdn)))
1031: return 0;
1032:
1033: if (!X509_REQ_set_subject_name(req, n)) {
1034: X509_NAME_free(n);
1035: return 0;
1036: }
1037: X509_NAME_free(n);
1038: return 1;
1039: }
1040:
1041:
1042: static int
1043: prompt_info(X509_REQ * req,
1044: STACK_OF(CONF_VALUE) * dn_sk, char *dn_sect,
1045: STACK_OF(CONF_VALUE) * attr_sk, char *attr_sect, int attribs,
1046: unsigned long chtype)
1047: {
1048: int i;
1049: char *p, *q;
1050: char buf[100];
1051: int nid, mval;
1052: long n_min, n_max;
1053: char *type, *value;
1054: const char *def;
1055: CONF_VALUE *v;
1056: X509_NAME *subj;
1057: subj = X509_REQ_get_subject_name(req);
1058:
1059: if (!batch) {
1060: BIO_printf(bio_err, "You are about to be asked to enter information that will be incorporated\n");
1061: BIO_printf(bio_err, "into your certificate request.\n");
1062: BIO_printf(bio_err, "What you are about to enter is what is called a Distinguished Name or a DN.\n");
1063: BIO_printf(bio_err, "There are quite a few fields but you can leave some blank\n");
1064: BIO_printf(bio_err, "For some fields there will be a default value,\n");
1065: BIO_printf(bio_err, "If you enter '.', the field will be left blank.\n");
1066: BIO_printf(bio_err, "-----\n");
1067: }
1068: if (sk_CONF_VALUE_num(dn_sk)) {
1069: i = -1;
1.15 jsing 1070: start: for (;;) {
1.1 jsing 1071: int ret;
1072: i++;
1073: if (sk_CONF_VALUE_num(dn_sk) <= i)
1074: break;
1075:
1076: v = sk_CONF_VALUE_value(dn_sk, i);
1077: p = q = NULL;
1078: type = v->name;
1079: if (!check_end(type, "_min") || !check_end(type, "_max") ||
1080: !check_end(type, "_default") ||
1081: !check_end(type, "_value"))
1082: continue;
1083: /*
1084: * Skip past any leading X. X: X, etc to allow for
1085: * multiple instances
1086: */
1087: for (p = v->name; *p; p++)
1088: if ((*p == ':') || (*p == ',') ||
1089: (*p == '.')) {
1090: p++;
1091: if (*p)
1092: type = p;
1093: break;
1094: }
1095: if (*type == '+') {
1096: mval = -1;
1097: type++;
1098: } else
1099: mval = 0;
1100: /* If OBJ not recognised ignore it */
1101: if ((nid = OBJ_txt2nid(type)) == NID_undef)
1102: goto start;
1103: ret = snprintf(buf, sizeof buf, "%s_default", v->name);
1.16 deraadt 1104: if (ret < 0 || ret >= sizeof(buf)) {
1.1 jsing 1105: BIO_printf(bio_err, "Name '%s' too long for default\n",
1106: v->name);
1107: return 0;
1108: }
1109: if ((def = NCONF_get_string(req_conf, dn_sect, buf)) == NULL) {
1110: ERR_clear_error();
1111: def = "";
1112: }
1113: ret = snprintf(buf, sizeof buf, "%s_value", v->name);
1.16 deraadt 1114: if (ret < 0 || ret >= sizeof(buf)) {
1.1 jsing 1115: BIO_printf(bio_err, "Name '%s' too long for value\n",
1116: v->name);
1117: return 0;
1118: }
1119: if ((value = NCONF_get_string(req_conf, dn_sect, buf)) == NULL) {
1120: ERR_clear_error();
1121: value = NULL;
1122: }
1123: ret = snprintf(buf, sizeof buf, "%s_min", v->name);
1.16 deraadt 1124: if (ret < 0 || ret >= sizeof(buf)) {
1.1 jsing 1125: BIO_printf(bio_err, "Name '%s' too long for min\n",
1126: v->name);
1127: return 0;
1128: }
1129: if (!NCONF_get_number(req_conf, dn_sect, buf, &n_min)) {
1130: ERR_clear_error();
1131: n_min = -1;
1132: }
1133: ret = snprintf(buf, sizeof buf, "%s_max", v->name);
1.16 deraadt 1134: if (ret < 0 || ret >= sizeof(buf)) {
1.1 jsing 1135: BIO_printf(bio_err, "Name '%s' too long for max\n",
1136: v->name);
1137: return 0;
1138: }
1139: if (!NCONF_get_number(req_conf, dn_sect, buf, &n_max)) {
1140: ERR_clear_error();
1141: n_max = -1;
1142: }
1143: if (!add_DN_object(subj, v->value, def, value, nid,
1144: n_min, n_max, chtype, mval))
1145: return 0;
1146: }
1147: if (X509_NAME_entry_count(subj) == 0) {
1148: BIO_printf(bio_err, "error, no objects specified in config file\n");
1149: return 0;
1150: }
1151: if (attribs) {
1152: if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0) &&
1153: (!batch)) {
1154: BIO_printf(bio_err,
1155: "\nPlease enter the following 'extra' attributes\n");
1156: BIO_printf(bio_err,
1157: "to be sent with your certificate request\n");
1158: }
1159: i = -1;
1160: start2: for (;;) {
1161: int ret;
1162: i++;
1163: if ((attr_sk == NULL) ||
1164: (sk_CONF_VALUE_num(attr_sk) <= i))
1165: break;
1166:
1167: v = sk_CONF_VALUE_value(attr_sk, i);
1168: type = v->name;
1169: if ((nid = OBJ_txt2nid(type)) == NID_undef)
1170: goto start2;
1171: ret = snprintf(buf, sizeof buf, "%s_default", type);
1.16 deraadt 1172: if (ret < 0 || ret >= sizeof(buf)) {
1.1 jsing 1173: BIO_printf(bio_err, "Name '%s' too long for default\n",
1174: v->name);
1175: return 0;
1176: }
1177: if ((def = NCONF_get_string(req_conf, attr_sect, buf))
1178: == NULL) {
1179: ERR_clear_error();
1180: def = "";
1181: }
1182: ret = snprintf(buf, sizeof buf, "%s_value", type);
1.16 deraadt 1183: if (ret < 0 || ret >= sizeof(buf)) {
1.1 jsing 1184: BIO_printf(bio_err, "Name '%s' too long for value\n",
1185: v->name);
1186: return 0;
1187: }
1188: if ((value = NCONF_get_string(req_conf, attr_sect, buf))
1189: == NULL) {
1190: ERR_clear_error();
1191: value = NULL;
1192: }
1193: ret = snprintf(buf, sizeof buf, "%s_min", type);
1.16 deraadt 1194: if (ret < 0 || ret >= sizeof(buf)) {
1.1 jsing 1195: BIO_printf(bio_err, "Name '%s' too long for min\n",
1196: v->name);
1197: return 0;
1198: }
1199: if (!NCONF_get_number(req_conf, attr_sect, buf, &n_min)) {
1200: ERR_clear_error();
1201: n_min = -1;
1202: }
1203: ret = snprintf(buf, sizeof buf, "%s_max", type);
1.16 deraadt 1204: if (ret < 0 || ret >= sizeof(buf)) {
1.1 jsing 1205: BIO_printf(bio_err, "Name '%s' too long for max\n",
1206: v->name);
1207: return 0;
1208: }
1209: if (!NCONF_get_number(req_conf, attr_sect, buf, &n_max)) {
1210: ERR_clear_error();
1211: n_max = -1;
1212: }
1213: if (!add_attribute_object(req,
1214: v->value, def, value, nid, n_min, n_max, chtype))
1215: return 0;
1216: }
1217: }
1218: } else {
1219: BIO_printf(bio_err, "No template, please set one up.\n");
1220: return 0;
1221: }
1222:
1223: return 1;
1224:
1225: }
1226:
1227: static int
1228: auto_info(X509_REQ * req, STACK_OF(CONF_VALUE) * dn_sk,
1229: STACK_OF(CONF_VALUE) * attr_sk, int attribs, unsigned long chtype)
1230: {
1231: int i;
1232: char *p, *q;
1233: char *type;
1234: CONF_VALUE *v;
1235: X509_NAME *subj;
1236:
1237: subj = X509_REQ_get_subject_name(req);
1238:
1239: for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++) {
1240: int mval;
1241: v = sk_CONF_VALUE_value(dn_sk, i);
1242: p = q = NULL;
1243: type = v->name;
1244: /*
1245: * Skip past any leading X. X: X, etc to allow for multiple
1246: * instances
1247: */
1248: for (p = v->name; *p; p++)
1249: if ((*p == ':') || (*p == ',') || (*p == '.')) {
1250: p++;
1251: if (*p)
1252: type = p;
1253: break;
1254: }
1255: if (*p == '+') {
1256: p++;
1257: mval = -1;
1258: } else
1259: mval = 0;
1260: if (!X509_NAME_add_entry_by_txt(subj, type, chtype,
1261: (unsigned char *) v->value, -1, -1, mval))
1262: return 0;
1263:
1264: }
1265:
1266: if (!X509_NAME_entry_count(subj)) {
1267: BIO_printf(bio_err, "error, no objects specified in config file\n");
1268: return 0;
1269: }
1270: if (attribs) {
1271: for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++) {
1272: v = sk_CONF_VALUE_value(attr_sk, i);
1273: if (!X509_REQ_add1_attr_by_txt(req, v->name, chtype,
1274: (unsigned char *) v->value, -1))
1275: return 0;
1276: }
1277: }
1278: return 1;
1279: }
1280:
1281:
1282: static int
1283: add_DN_object(X509_NAME * n, char *text, const char *def, char *value,
1284: int nid, int n_min, int n_max, unsigned long chtype, int mval)
1285: {
1286: int i, ret = 0;
1287: char buf[1024];
1.15 jsing 1288: start:
1.1 jsing 1289: if (!batch)
1290: BIO_printf(bio_err, "%s [%s]:", text, def);
1291: (void) BIO_flush(bio_err);
1292: if (value != NULL) {
1293: strlcpy(buf, value, sizeof buf);
1294: strlcat(buf, "\n", sizeof buf);
1295: BIO_printf(bio_err, "%s\n", value);
1296: } else {
1297: buf[0] = '\0';
1298: if (!batch) {
1299: if (!fgets(buf, sizeof buf, stdin))
1300: return 0;
1301: } else {
1302: buf[0] = '\n';
1303: buf[1] = '\0';
1304: }
1305: }
1306:
1307: if (buf[0] == '\0')
1308: return (0);
1309: else if (buf[0] == '\n') {
1310: if ((def == NULL) || (def[0] == '\0'))
1311: return (1);
1312: strlcpy(buf, def, sizeof buf);
1313: strlcat(buf, "\n", sizeof buf);
1314: } else if ((buf[0] == '.') && (buf[1] == '\n'))
1315: return (1);
1316:
1317: i = strlen(buf);
1318: if (buf[i - 1] != '\n') {
1319: BIO_printf(bio_err, "weird input :-(\n");
1320: return (0);
1321: }
1322: buf[--i] = '\0';
1323: if (!req_check_len(i, n_min, n_max))
1324: goto start;
1325: if (!X509_NAME_add_entry_by_NID(n, nid, chtype,
1326: (unsigned char *) buf, -1, -1, mval))
1327: goto err;
1328: ret = 1;
1.15 jsing 1329: err:
1.1 jsing 1330: return (ret);
1331: }
1332:
1333: static int
1334: add_attribute_object(X509_REQ * req, char *text, const char *def,
1335: char *value, int nid, int n_min,
1336: int n_max, unsigned long chtype)
1337: {
1338: int i;
1339: static char buf[1024];
1340:
1.15 jsing 1341: start:
1.1 jsing 1342: if (!batch)
1343: BIO_printf(bio_err, "%s [%s]:", text, def);
1344: (void) BIO_flush(bio_err);
1345: if (value != NULL) {
1346: strlcpy(buf, value, sizeof buf);
1347: strlcat(buf, "\n", sizeof buf);
1348: BIO_printf(bio_err, "%s\n", value);
1349: } else {
1350: buf[0] = '\0';
1351: if (!batch) {
1352: if (!fgets(buf, sizeof buf, stdin))
1353: return 0;
1354: } else {
1355: buf[0] = '\n';
1356: buf[1] = '\0';
1357: }
1358: }
1359:
1360: if (buf[0] == '\0')
1361: return (0);
1362: else if (buf[0] == '\n') {
1363: if ((def == NULL) || (def[0] == '\0'))
1364: return (1);
1365: strlcpy(buf, def, sizeof buf);
1366: strlcat(buf, "\n", sizeof buf);
1367: } else if ((buf[0] == '.') && (buf[1] == '\n'))
1368: return (1);
1369:
1370: i = strlen(buf);
1371: if (buf[i - 1] != '\n') {
1372: BIO_printf(bio_err, "weird input :-(\n");
1373: return (0);
1374: }
1375: buf[--i] = '\0';
1376: if (!req_check_len(i, n_min, n_max))
1377: goto start;
1378:
1379: if (!X509_REQ_add1_attr_by_NID(req, nid, chtype,
1380: (unsigned char *) buf, -1)) {
1381: BIO_printf(bio_err, "Error adding attribute\n");
1382: ERR_print_errors(bio_err);
1383: goto err;
1384: }
1385: return (1);
1.15 jsing 1386: err:
1.1 jsing 1387: return (0);
1388: }
1389:
1390: static int
1391: req_check_len(int len, int n_min, int n_max)
1392: {
1393: if ((n_min > 0) && (len < n_min)) {
1394: BIO_printf(bio_err, "string is too short, it needs to be at least %d bytes long\n", n_min);
1395: return (0);
1396: }
1397: if ((n_max >= 0) && (len > n_max)) {
1398: BIO_printf(bio_err, "string is too long, it needs to be less than %d bytes long\n", n_max);
1399: return (0);
1400: }
1401: return (1);
1402: }
1403:
1404: /* Check if the end of a string matches 'end' */
1405: static int
1406: check_end(const char *str, const char *end)
1407: {
1408: int elen, slen;
1409: const char *tmp;
1410: elen = strlen(end);
1411: slen = strlen(str);
1412: if (elen > slen)
1413: return 1;
1414: tmp = str + slen - elen;
1415: return strcmp(tmp, end);
1416: }
1417:
1418: static EVP_PKEY_CTX *
1419: set_keygen_ctx(BIO * err, const char *gstr, int *pkey_type,
1.7 bcook 1420: long *pkeylen, char **palgnam)
1.1 jsing 1421: {
1422: EVP_PKEY_CTX *gctx = NULL;
1423: EVP_PKEY *param = NULL;
1424: long keylen = -1;
1425: BIO *pbio = NULL;
1426: const char *paramfile = NULL;
1427: const char *errstr;
1428:
1429: if (gstr == NULL) {
1430: *pkey_type = EVP_PKEY_RSA;
1431: keylen = *pkeylen;
1432: } else if (gstr[0] >= '0' && gstr[0] <= '9') {
1433: *pkey_type = EVP_PKEY_RSA;
1434: keylen = strtonum(gstr, 0, LONG_MAX, &errstr);
1435: if (errstr) {
1436: BIO_printf(err, "bad algorithm %s: %s\n", gstr, errstr);
1437: return NULL;
1438: }
1439: *pkeylen = keylen;
1440: } else if (!strncmp(gstr, "param:", 6))
1441: paramfile = gstr + 6;
1442: else {
1443: const char *p = strchr(gstr, ':');
1444: int len;
1445: const EVP_PKEY_ASN1_METHOD *ameth;
1446:
1447: if (p)
1448: len = p - gstr;
1449: else
1450: len = strlen(gstr);
1451:
1.7 bcook 1452: ameth = EVP_PKEY_asn1_find_str(NULL, gstr, len);
1.1 jsing 1453:
1454: if (!ameth) {
1455: BIO_printf(err, "Unknown algorithm %.*s\n", len, gstr);
1456: return NULL;
1457: }
1458: EVP_PKEY_asn1_get0_info(NULL, pkey_type, NULL, NULL, NULL,
1459: ameth);
1460: if (*pkey_type == EVP_PKEY_RSA) {
1461: if (p) {
1462: keylen = strtonum(p + 1, 0, LONG_MAX, &errstr);
1463: if (errstr) {
1464: BIO_printf(err, "bad algorithm %s: %s\n",
1465: p + 1, errstr);
1466: return NULL;
1467: }
1468: *pkeylen = keylen;
1469: } else
1470: keylen = *pkeylen;
1471: } else if (p)
1472: paramfile = p + 1;
1473: }
1474:
1475: if (paramfile) {
1476: pbio = BIO_new_file(paramfile, "r");
1477: if (!pbio) {
1478: BIO_printf(err, "Can't open parameter file %s\n",
1479: paramfile);
1480: return NULL;
1481: }
1482: param = PEM_read_bio_Parameters(pbio, NULL);
1483:
1484: if (!param) {
1485: X509 *x;
1486: (void) BIO_reset(pbio);
1487: x = PEM_read_bio_X509(pbio, NULL, NULL, NULL);
1488: if (x) {
1489: param = X509_get_pubkey(x);
1490: X509_free(x);
1491: }
1492: }
1493: BIO_free(pbio);
1494:
1495: if (!param) {
1496: BIO_printf(err, "Error reading parameter file %s\n",
1497: paramfile);
1498: return NULL;
1499: }
1500: if (*pkey_type == -1)
1501: *pkey_type = EVP_PKEY_id(param);
1502: else if (*pkey_type != EVP_PKEY_base_id(param)) {
1503: BIO_printf(err, "Key Type does not match parameters\n");
1504: EVP_PKEY_free(param);
1505: return NULL;
1506: }
1507: }
1508: if (palgnam) {
1509: const EVP_PKEY_ASN1_METHOD *ameth;
1510: const char *anam;
1.7 bcook 1511: ameth = EVP_PKEY_asn1_find(NULL, *pkey_type);
1.1 jsing 1512: if (!ameth) {
1513: BIO_puts(err, "Internal error: can't find key algorithm\n");
1514: return NULL;
1515: }
1516: EVP_PKEY_asn1_get0_info(NULL, NULL, NULL, NULL, &anam, ameth);
1.4 jsing 1517: *palgnam = strdup(anam);
1.1 jsing 1518: }
1519: if (param) {
1.7 bcook 1520: gctx = EVP_PKEY_CTX_new(param, NULL);
1.1 jsing 1521: *pkeylen = EVP_PKEY_bits(param);
1522: EVP_PKEY_free(param);
1523: } else
1.7 bcook 1524: gctx = EVP_PKEY_CTX_new_id(*pkey_type, NULL);
1.1 jsing 1525:
1526: if (!gctx) {
1527: BIO_puts(err, "Error allocating keygen context\n");
1528: ERR_print_errors(err);
1529: return NULL;
1530: }
1531: if (EVP_PKEY_keygen_init(gctx) <= 0) {
1532: BIO_puts(err, "Error initializing keygen context\n");
1533: ERR_print_errors(err);
1534: return NULL;
1535: }
1536: if ((*pkey_type == EVP_PKEY_RSA) && (keylen != -1)) {
1537: if (EVP_PKEY_CTX_set_rsa_keygen_bits(gctx, keylen) <= 0) {
1538: BIO_puts(err, "Error setting RSA keysize\n");
1539: ERR_print_errors(err);
1540: EVP_PKEY_CTX_free(gctx);
1541: return NULL;
1542: }
1543: }
1544:
1545: return gctx;
1546: }
1547:
1548: static int
1549: genpkey_cb(EVP_PKEY_CTX * ctx)
1550: {
1551: char c = '*';
1552: BIO *b = EVP_PKEY_CTX_get_app_data(ctx);
1553: int p;
1554: p = EVP_PKEY_CTX_get_keygen_info(ctx, 0);
1555: if (p == 0)
1556: c = '.';
1557: if (p == 1)
1558: c = '+';
1559: if (p == 2)
1560: c = '*';
1561: if (p == 3)
1562: c = '\n';
1563: BIO_write(b, &c, 1);
1564: (void) BIO_flush(b);
1565: return 1;
1566: }
1567:
1568: static int
1569: do_sign_init(BIO * err, EVP_MD_CTX * ctx, EVP_PKEY * pkey,
1570: const EVP_MD * md, STACK_OF(OPENSSL_STRING) * sigopts)
1571: {
1572: EVP_PKEY_CTX *pkctx = NULL;
1573: int i;
1574: EVP_MD_CTX_init(ctx);
1575: if (!EVP_DigestSignInit(ctx, &pkctx, md, NULL, pkey))
1576: return 0;
1577: for (i = 0; i < sk_OPENSSL_STRING_num(sigopts); i++) {
1578: char *sigopt = sk_OPENSSL_STRING_value(sigopts, i);
1579: if (pkey_ctrl_string(pkctx, sigopt) <= 0) {
1580: BIO_printf(err, "parameter error \"%s\"\n", sigopt);
1581: ERR_print_errors(bio_err);
1582: return 0;
1583: }
1584: }
1585: return 1;
1586: }
1587:
1588: int
1589: do_X509_sign(BIO * err, X509 * x, EVP_PKEY * pkey, const EVP_MD * md,
1590: STACK_OF(OPENSSL_STRING) * sigopts)
1591: {
1592: int rv;
1593: EVP_MD_CTX mctx;
1594: EVP_MD_CTX_init(&mctx);
1595: rv = do_sign_init(err, &mctx, pkey, md, sigopts);
1596: if (rv > 0)
1597: rv = X509_sign_ctx(x, &mctx);
1598: EVP_MD_CTX_cleanup(&mctx);
1599: return rv > 0 ? 1 : 0;
1600: }
1601:
1602:
1603: int
1604: do_X509_REQ_sign(BIO * err, X509_REQ * x, EVP_PKEY * pkey, const EVP_MD * md,
1605: STACK_OF(OPENSSL_STRING) * sigopts)
1606: {
1607: int rv;
1608: EVP_MD_CTX mctx;
1609: EVP_MD_CTX_init(&mctx);
1610: rv = do_sign_init(err, &mctx, pkey, md, sigopts);
1611: if (rv > 0)
1612: rv = X509_REQ_sign_ctx(x, &mctx);
1613: EVP_MD_CTX_cleanup(&mctx);
1614: return rv > 0 ? 1 : 0;
1615: }
1616:
1617:
1618:
1619: int
1620: do_X509_CRL_sign(BIO * err, X509_CRL * x, EVP_PKEY * pkey, const EVP_MD * md,
1621: STACK_OF(OPENSSL_STRING) * sigopts)
1622: {
1623: int rv;
1624: EVP_MD_CTX mctx;
1625: EVP_MD_CTX_init(&mctx);
1626: rv = do_sign_init(err, &mctx, pkey, md, sigopts);
1627: if (rv > 0)
1628: rv = X509_CRL_sign_ctx(x, &mctx);
1629: EVP_MD_CTX_cleanup(&mctx);
1630: return rv > 0 ? 1 : 0;
1.17 inoguchi 1631: }
1632:
1633: static unsigned long
1634: ext_name_hash(const OPENSSL_STRING *a)
1635: {
1636: return lh_strhash((const char *)a);
1637: }
1638:
1639: static int
1640: ext_name_cmp(const OPENSSL_STRING *a, const OPENSSL_STRING *b)
1641: {
1642: return strcmp((const char *)a, (const char *)b);
1643: }
1644:
1645: static void
1646: exts_cleanup(OPENSSL_STRING *x)
1647: {
1648: free((char *)x);
1649: }
1650:
1651: /*
1652: * Is the |kv| key already duplicated ? This is remarkably tricky to get right.
1653: * Return 0 if unique, -1 on runtime error; 1 if found or a syntax error.
1654: */
1655: static int
1656: duplicated(LHASH_OF(OPENSSL_STRING) *addexts, char *kv)
1657: {
1658: char *p;
1659: size_t off;
1660:
1661: /* Check syntax. */
1662: /* Skip leading whitespace, make a copy. */
1663: while (*kv && isspace(*kv))
1664: if (*++kv == '\0')
1665: return 1;
1666: if ((p = strchr(kv, '=')) == NULL)
1667: return 1;
1668: off = p - kv;
1669: if ((kv = strdup(kv)) == NULL)
1670: return -1;
1671:
1672: /* Skip trailing space before the equal sign. */
1673: for (p = kv + off; p > kv; --p)
1674: if (!isspace(p[-1]))
1675: break;
1676: if (p == kv) {
1677: free(kv);
1678: return 1;
1679: }
1680: *p = '\0';
1681:
1682: /* See if "key" is there by attempting to add it. */
1683: if ((p = (char *)lh_OPENSSL_STRING_insert(addexts, (OPENSSL_STRING*)kv))
1684: != NULL || lh_OPENSSL_STRING_error(addexts)) {
1685: free(p != NULL ? p : kv);
1686: return -1;
1687: }
1688:
1689: return 0;
1.1 jsing 1690: }