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1.2 ! jsing 1: /* $OpenBSD: req.c,v 1.1 2014/08/26 17:47:25 jsing 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:
65: #include <stdio.h>
66: #include <stdlib.h>
67: #include <limits.h>
68: #include <string.h>
69: #include <time.h>
70:
71: #include "apps.h"
72:
73: #include <openssl/asn1.h>
74: #include <openssl/bio.h>
75: #include <openssl/bn.h>
76: #include <openssl/conf.h>
77: #include <openssl/err.h>
78: #include <openssl/evp.h>
79: #include <openssl/objects.h>
80: #include <openssl/pem.h>
81: #include <openssl/x509.h>
82: #include <openssl/x509v3.h>
83:
84: #include <openssl/dsa.h>
85:
86: #include <openssl/rsa.h>
87:
88: #define SECTION "req"
89:
90: #define BITS "default_bits"
91: #define KEYFILE "default_keyfile"
92: #define PROMPT "prompt"
93: #define DISTINGUISHED_NAME "distinguished_name"
94: #define ATTRIBUTES "attributes"
95: #define V3_EXTENSIONS "x509_extensions"
96: #define REQ_EXTENSIONS "req_extensions"
97: #define STRING_MASK "string_mask"
98: #define UTF8_IN "utf8"
99:
100: #define DEFAULT_KEY_LENGTH 512
101: #define MIN_KEY_LENGTH 384
102:
103:
104: /* -inform arg - input format - default PEM (DER or PEM)
105: * -outform arg - output format - default PEM
106: * -in arg - input file - default stdin
107: * -out arg - output file - default stdout
108: * -verify - check request signature
109: * -noout - don't print stuff out.
110: * -text - print out human readable text.
111: * -nodes - no des encryption
112: * -config file - Load configuration file.
113: * -key file - make a request using key in file (or use it for verification).
114: * -keyform arg - key file format.
115: * -newkey - make a key and a request.
116: * -modulus - print RSA modulus.
117: * -pubkey - output Public Key.
118: * -x509 - output a self signed X509 structure instead.
119: * -asn1-kludge - output new certificate request in a format that some CA's
120: * require. This format is wrong
121: */
122:
123: static int make_REQ(X509_REQ * req, EVP_PKEY * pkey, char *dn, int mutlirdn,
124: int attribs, unsigned long chtype);
125: static int build_subject(X509_REQ * req, char *subj, unsigned long chtype,
126: int multirdn);
127: static int prompt_info(X509_REQ * req,
128: STACK_OF(CONF_VALUE) * dn_sk, char *dn_sect,
129: STACK_OF(CONF_VALUE) * attr_sk, char *attr_sect, int attribs,
130: unsigned long chtype);
131: static int auto_info(X509_REQ * req, STACK_OF(CONF_VALUE) * sk,
132: STACK_OF(CONF_VALUE) * attr, int attribs,
133: unsigned long chtype);
134: static int add_attribute_object(X509_REQ * req, char *text, const char *def,
135: char *value, int nid, int n_min,
136: int n_max, unsigned long chtype);
137: static int add_DN_object(X509_NAME * n, char *text, const char *def, char *value,
138: int nid, int n_min, int n_max, unsigned long chtype, int mval);
139: static int genpkey_cb(EVP_PKEY_CTX * ctx);
140: static int req_check_len(int len, int n_min, int n_max);
141: static int check_end(const char *str, const char *end);
142: static EVP_PKEY_CTX *set_keygen_ctx(BIO * err, const char *gstr, int *pkey_type,
143: long *pkeylen, char **palgnam,
144: ENGINE * keygen_engine);
145: static CONF *req_conf = NULL;
146: static int batch = 0;
147:
148: int req_main(int, char **);
149:
150: int
151: req_main(int argc, char **argv)
152: {
153: ENGINE *e = NULL, *gen_eng = NULL;
154: unsigned long nmflag = 0, reqflag = 0;
155: int ex = 1, x509 = 0, days = 30;
156: X509 *x509ss = NULL;
157: X509_REQ *req = NULL;
158: EVP_PKEY_CTX *genctx = NULL;
159: const char *keyalg = NULL;
160: char *keyalgstr = NULL;
161: STACK_OF(OPENSSL_STRING) * pkeyopts = NULL, *sigopts = NULL;
162: EVP_PKEY *pkey = NULL;
163: int i = 0, badops = 0, newreq = 0, verbose = 0, pkey_type = -1;
164: long newkey = -1;
165: BIO *in = NULL, *out = NULL;
166: int informat, outformat, verify = 0, noout = 0, text = 0, keyform = FORMAT_PEM;
167: int nodes = 0, kludge = 0, newhdr = 0, subject = 0, pubkey = 0;
168: char *infile, *outfile, *prog, *keyfile = NULL, *template = NULL,
169: *keyout = NULL;
170: #ifndef OPENSSL_NO_ENGINE
171: char *engine = NULL;
172: #endif
173: char *extensions = NULL;
174: char *req_exts = NULL;
175: const EVP_CIPHER *cipher = NULL;
176: ASN1_INTEGER *serial = NULL;
177: int modulus = 0;
178: char *passargin = NULL, *passargout = NULL;
179: char *passin = NULL, *passout = NULL;
180: char *p;
181: char *subj = NULL;
182: int multirdn = 0;
183: const EVP_MD *md_alg = NULL, *digest = NULL;
184: unsigned long chtype = MBSTRING_ASC;
185:
186: req_conf = NULL;
187: #ifndef OPENSSL_NO_DES
188: cipher = EVP_des_ede3_cbc();
189: #endif
190:
191: infile = NULL;
192: outfile = NULL;
193: informat = FORMAT_PEM;
194: outformat = FORMAT_PEM;
195:
196: prog = argv[0];
197: argc--;
198: argv++;
199: while (argc >= 1) {
200: if (strcmp(*argv, "-inform") == 0) {
201: if (--argc < 1)
202: goto bad;
203: informat = str2fmt(*(++argv));
204: } else if (strcmp(*argv, "-outform") == 0) {
205: if (--argc < 1)
206: goto bad;
207: outformat = str2fmt(*(++argv));
208: }
209: #ifndef OPENSSL_NO_ENGINE
210: else if (strcmp(*argv, "-engine") == 0) {
211: if (--argc < 1)
212: goto bad;
213: engine = *(++argv);
214: } else if (strcmp(*argv, "-keygen_engine") == 0) {
215: if (--argc < 1)
216: goto bad;
217: gen_eng = ENGINE_by_id(*(++argv));
218: if (gen_eng == NULL) {
219: BIO_printf(bio_err, "Can't find keygen engine %s\n", *argv);
220: goto end;
221: }
222: }
223: #endif
224: else if (strcmp(*argv, "-key") == 0) {
225: if (--argc < 1)
226: goto bad;
227: keyfile = *(++argv);
228: } else if (strcmp(*argv, "-pubkey") == 0) {
229: pubkey = 1;
230: } else if (strcmp(*argv, "-new") == 0) {
231: newreq = 1;
232: } else if (strcmp(*argv, "-config") == 0) {
233: if (--argc < 1)
234: goto bad;
235: template = *(++argv);
236: } else if (strcmp(*argv, "-keyform") == 0) {
237: if (--argc < 1)
238: goto bad;
239: keyform = str2fmt(*(++argv));
240: } else if (strcmp(*argv, "-in") == 0) {
241: if (--argc < 1)
242: goto bad;
243: infile = *(++argv);
244: } else if (strcmp(*argv, "-out") == 0) {
245: if (--argc < 1)
246: goto bad;
247: outfile = *(++argv);
248: } else if (strcmp(*argv, "-keyout") == 0) {
249: if (--argc < 1)
250: goto bad;
251: keyout = *(++argv);
252: } else if (strcmp(*argv, "-passin") == 0) {
253: if (--argc < 1)
254: goto bad;
255: passargin = *(++argv);
256: } else if (strcmp(*argv, "-passout") == 0) {
257: if (--argc < 1)
258: goto bad;
259: passargout = *(++argv);
260: } else if (strcmp(*argv, "-newkey") == 0) {
261: if (--argc < 1)
262: goto bad;
263: keyalg = *(++argv);
264: newreq = 1;
265: } else if (strcmp(*argv, "-pkeyopt") == 0) {
266: if (--argc < 1)
267: goto bad;
268: if (!pkeyopts)
269: pkeyopts = sk_OPENSSL_STRING_new_null();
270: if (!pkeyopts || !sk_OPENSSL_STRING_push(pkeyopts, *(++argv)))
271: goto bad;
272: } else if (strcmp(*argv, "-sigopt") == 0) {
273: if (--argc < 1)
274: goto bad;
275: if (!sigopts)
276: sigopts = sk_OPENSSL_STRING_new_null();
277: if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, *(++argv)))
278: goto bad;
279: } else if (strcmp(*argv, "-batch") == 0)
280: batch = 1;
281: else if (strcmp(*argv, "-newhdr") == 0)
282: newhdr = 1;
283: else if (strcmp(*argv, "-modulus") == 0)
284: modulus = 1;
285: else if (strcmp(*argv, "-verify") == 0)
286: verify = 1;
287: else if (strcmp(*argv, "-nodes") == 0)
288: nodes = 1;
289: else if (strcmp(*argv, "-noout") == 0)
290: noout = 1;
291: else if (strcmp(*argv, "-verbose") == 0)
292: verbose = 1;
293: else if (strcmp(*argv, "-utf8") == 0)
294: chtype = MBSTRING_UTF8;
295: else if (strcmp(*argv, "-nameopt") == 0) {
296: if (--argc < 1)
297: goto bad;
298: if (!set_name_ex(&nmflag, *(++argv)))
299: goto bad;
300: } else if (strcmp(*argv, "-reqopt") == 0) {
301: if (--argc < 1)
302: goto bad;
303: if (!set_cert_ex(&reqflag, *(++argv)))
304: goto bad;
305: } else if (strcmp(*argv, "-subject") == 0)
306: subject = 1;
307: else if (strcmp(*argv, "-text") == 0)
308: text = 1;
309: else if (strcmp(*argv, "-x509") == 0)
310: x509 = 1;
311: else if (strcmp(*argv, "-asn1-kludge") == 0)
312: kludge = 1;
313: else if (strcmp(*argv, "-no-asn1-kludge") == 0)
314: kludge = 0;
315: else if (strcmp(*argv, "-subj") == 0) {
316: if (--argc < 1)
317: goto bad;
318: subj = *(++argv);
319: } else if (strcmp(*argv, "-multivalue-rdn") == 0)
320: multirdn = 1;
321: else if (strcmp(*argv, "-days") == 0) {
322: const char *errstr;
323:
324: if (--argc < 1)
325: goto bad;
326: days = strtonum(*(++argv), 1, INT_MAX, &errstr);
327: if (errstr) {
328: BIO_printf(bio_err, "bad -days %s, using 0: %s\n",
329: *argv, errstr);
330: days = 30;
331: }
332: } else if (strcmp(*argv, "-set_serial") == 0) {
333: if (--argc < 1)
334: goto bad;
335: serial = s2i_ASN1_INTEGER(NULL, *(++argv));
336: if (!serial)
337: goto bad;
338: } else if (strcmp(*argv, "-extensions") == 0) {
339: if (--argc < 1)
340: goto bad;
341: extensions = *(++argv);
342: } else if (strcmp(*argv, "-reqexts") == 0) {
343: if (--argc < 1)
344: goto bad;
345: req_exts = *(++argv);
346: } else if ((md_alg = EVP_get_digestbyname(&((*argv)[1]))) != NULL) {
347: /* ok */
348: digest = md_alg;
349: } else {
350: BIO_printf(bio_err, "unknown option %s\n", *argv);
351: badops = 1;
352: break;
353: }
354: argc--;
355: argv++;
356: }
357:
358: if (badops) {
359: bad:
360: BIO_printf(bio_err, "%s [options] <infile >outfile\n", prog);
361: BIO_printf(bio_err, "where options are\n");
362: BIO_printf(bio_err, " -inform arg input format - DER or PEM\n");
363: BIO_printf(bio_err, " -outform arg output format - DER or PEM\n");
364: BIO_printf(bio_err, " -in arg input file\n");
365: BIO_printf(bio_err, " -out arg output file\n");
366: BIO_printf(bio_err, " -text text form of request\n");
367: BIO_printf(bio_err, " -pubkey output public key\n");
368: BIO_printf(bio_err, " -noout do not output REQ\n");
369: BIO_printf(bio_err, " -verify verify signature on REQ\n");
370: BIO_printf(bio_err, " -modulus RSA modulus\n");
371: BIO_printf(bio_err, " -nodes don't encrypt the output key\n");
372: #ifndef OPENSSL_NO_ENGINE
373: BIO_printf(bio_err, " -engine e use engine e, possibly a hardware device\n");
374: #endif
375: BIO_printf(bio_err, " -subject output the request's subject\n");
376: BIO_printf(bio_err, " -passin private key password source\n");
377: BIO_printf(bio_err, " -key file use the private key contained in file\n");
378: BIO_printf(bio_err, " -keyform arg key file format\n");
379: BIO_printf(bio_err, " -keyout arg file to send the key to\n");
380: BIO_printf(bio_err, " -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
381: BIO_printf(bio_err, " -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
382: BIO_printf(bio_err, " -newkey ec:file generate a new EC key, parameters taken from CA in 'file'\n");
383: BIO_printf(bio_err, " -[digest] Digest to sign with (md5, sha1, md2, mdc2, md4)\n");
384: BIO_printf(bio_err, " -config file request template file.\n");
385: BIO_printf(bio_err, " -subj arg set or modify request subject\n");
386: BIO_printf(bio_err, " -multivalue-rdn enable support for multivalued RDNs\n");
387: BIO_printf(bio_err, " -new new request.\n");
388: BIO_printf(bio_err, " -batch do not ask anything during request generation\n");
389: BIO_printf(bio_err, " -x509 output a x509 structure instead of a cert. req.\n");
390: BIO_printf(bio_err, " -days number of days a certificate generated by -x509 is valid for.\n");
391: BIO_printf(bio_err, " -set_serial serial number to use for a certificate generated by -x509.\n");
392: BIO_printf(bio_err, " -newhdr output \"NEW\" in the header lines\n");
393: BIO_printf(bio_err, " -asn1-kludge Output the 'request' in a format that is wrong but some CA's\n");
394: BIO_printf(bio_err, " have been reported as requiring\n");
395: BIO_printf(bio_err, " -extensions .. specify certificate extension section (override value in config file)\n");
396: BIO_printf(bio_err, " -reqexts .. specify request extension section (override value in config file)\n");
397: BIO_printf(bio_err, " -utf8 input characters are UTF8 (default ASCII)\n");
398: BIO_printf(bio_err, " -nameopt arg - various certificate name options\n");
399: BIO_printf(bio_err, " -reqopt arg - various request text options\n\n");
400: goto end;
401: }
1.2 ! jsing 402:
1.1 jsing 403: if (!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
404: BIO_printf(bio_err, "Error getting passwords\n");
405: goto end;
406: }
407: if (template != NULL) {
408: long errline = -1;
409:
410: if (verbose)
411: BIO_printf(bio_err, "Using configuration from %s\n", template);
412: req_conf = NCONF_new(NULL);
413: i = NCONF_load(req_conf, template, &errline);
414: if (i == 0) {
415: BIO_printf(bio_err, "error on line %ld of %s\n", errline, template);
416: goto end;
417: }
418: } else {
419: req_conf = config;
420:
421: if (req_conf == NULL) {
422: BIO_printf(bio_err, "Unable to load config info from %s\n", default_config_file);
423: if (newreq)
424: goto end;
425: } else if (verbose)
426: BIO_printf(bio_err, "Using configuration from %s\n",
427: default_config_file);
428: }
429:
430: if (req_conf != NULL) {
431: if (!load_config(bio_err, req_conf))
432: goto end;
433: p = NCONF_get_string(req_conf, NULL, "oid_file");
434: if (p == NULL)
435: ERR_clear_error();
436: if (p != NULL) {
437: BIO *oid_bio;
438:
439: oid_bio = BIO_new_file(p, "r");
440: if (oid_bio == NULL) {
441: /*
442: BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
443: ERR_print_errors(bio_err);
444: */
445: } else {
446: OBJ_create_objects(oid_bio);
447: BIO_free(oid_bio);
448: }
449: }
450: }
451: if (!add_oid_section(bio_err, req_conf))
452: goto end;
453:
454: if (md_alg == NULL) {
455: p = NCONF_get_string(req_conf, SECTION, "default_md");
456: if (p == NULL)
457: ERR_clear_error();
458: if (p != NULL) {
459: if ((md_alg = EVP_get_digestbyname(p)) != NULL)
460: digest = md_alg;
461: }
462: }
463: if (!extensions) {
464: extensions = NCONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
465: if (!extensions)
466: ERR_clear_error();
467: }
468: if (extensions) {
469: /* Check syntax of file */
470: X509V3_CTX ctx;
471: X509V3_set_ctx_test(&ctx);
472: X509V3_set_nconf(&ctx, req_conf);
473: if (!X509V3_EXT_add_nconf(req_conf, &ctx, extensions, NULL)) {
474: BIO_printf(bio_err,
475: "Error Loading extension section %s\n", extensions);
476: goto end;
477: }
478: }
479: if (!passin) {
480: passin = NCONF_get_string(req_conf, SECTION, "input_password");
481: if (!passin)
482: ERR_clear_error();
483: }
484: if (!passout) {
485: passout = NCONF_get_string(req_conf, SECTION, "output_password");
486: if (!passout)
487: ERR_clear_error();
488: }
489: p = NCONF_get_string(req_conf, SECTION, STRING_MASK);
490: if (!p)
491: ERR_clear_error();
492:
493: if (p && !ASN1_STRING_set_default_mask_asc(p)) {
494: BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
495: goto end;
496: }
497: if (chtype != MBSTRING_UTF8) {
498: p = NCONF_get_string(req_conf, SECTION, UTF8_IN);
499: if (!p)
500: ERR_clear_error();
501: else if (!strcmp(p, "yes"))
502: chtype = MBSTRING_UTF8;
503: }
504: if (!req_exts) {
505: req_exts = NCONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
506: if (!req_exts)
507: ERR_clear_error();
508: }
509: if (req_exts) {
510: /* Check syntax of file */
511: X509V3_CTX ctx;
512: X509V3_set_ctx_test(&ctx);
513: X509V3_set_nconf(&ctx, req_conf);
514: if (!X509V3_EXT_add_nconf(req_conf, &ctx, req_exts, NULL)) {
515: BIO_printf(bio_err,
516: "Error Loading request extension section %s\n",
517: req_exts);
518: goto end;
519: }
520: }
521: in = BIO_new(BIO_s_file());
522: out = BIO_new(BIO_s_file());
523: if ((in == NULL) || (out == NULL))
524: goto end;
525:
526: #ifndef OPENSSL_NO_ENGINE
527: e = setup_engine(bio_err, engine, 0);
528: #endif
529:
530: if (keyfile != NULL) {
531: pkey = load_key(bio_err, keyfile, keyform, 0, passin, e,
532: "Private Key");
533: if (!pkey) {
534: /*
535: * load_key() has already printed an appropriate
536: * message
537: */
538: goto end;
539: }
540: }
541: if (newreq && (pkey == NULL)) {
542: if (!NCONF_get_number(req_conf, SECTION, BITS, &newkey)) {
543: newkey = DEFAULT_KEY_LENGTH;
544: }
545: if (keyalg) {
546: genctx = set_keygen_ctx(bio_err, keyalg, &pkey_type, &newkey,
547: &keyalgstr, gen_eng);
548: if (!genctx)
549: goto end;
550: }
551: if (newkey < MIN_KEY_LENGTH && (pkey_type == EVP_PKEY_RSA || pkey_type == EVP_PKEY_DSA)) {
552: BIO_printf(bio_err, "private key length is too short,\n");
553: BIO_printf(bio_err, "it needs to be at least %d bits, not %ld\n", MIN_KEY_LENGTH, newkey);
554: goto end;
555: }
556: if (!genctx) {
557: genctx = set_keygen_ctx(bio_err, NULL, &pkey_type, &newkey,
558: &keyalgstr, gen_eng);
559: if (!genctx)
560: goto end;
561: }
562: if (pkeyopts) {
563: char *genopt;
564: for (i = 0; i < sk_OPENSSL_STRING_num(pkeyopts); i++) {
565: genopt = sk_OPENSSL_STRING_value(pkeyopts, i);
566: if (pkey_ctrl_string(genctx, genopt) <= 0) {
567: BIO_printf(bio_err,
568: "parameter error \"%s\"\n",
569: genopt);
570: ERR_print_errors(bio_err);
571: goto end;
572: }
573: }
574: }
575: BIO_printf(bio_err, "Generating a %ld bit %s private key\n",
576: newkey, keyalgstr);
577:
578: EVP_PKEY_CTX_set_cb(genctx, genpkey_cb);
579: EVP_PKEY_CTX_set_app_data(genctx, bio_err);
580:
581: if (EVP_PKEY_keygen(genctx, &pkey) <= 0) {
582: BIO_puts(bio_err, "Error Generating Key\n");
583: goto end;
584: }
585: EVP_PKEY_CTX_free(genctx);
586: genctx = NULL;
587:
588: if (keyout == NULL) {
589: keyout = NCONF_get_string(req_conf, SECTION, KEYFILE);
590: if (keyout == NULL)
591: ERR_clear_error();
592: }
593: if (keyout == NULL) {
594: BIO_printf(bio_err, "writing new private key to stdout\n");
595: BIO_set_fp(out, stdout, BIO_NOCLOSE);
596: } else {
597: BIO_printf(bio_err, "writing new private key to '%s'\n", keyout);
598: if (BIO_write_filename(out, keyout) <= 0) {
599: perror(keyout);
600: goto end;
601: }
602: }
603:
604: p = NCONF_get_string(req_conf, SECTION, "encrypt_rsa_key");
605: if (p == NULL) {
606: ERR_clear_error();
607: p = NCONF_get_string(req_conf, SECTION, "encrypt_key");
608: if (p == NULL)
609: ERR_clear_error();
610: }
611: if ((p != NULL) && (strcmp(p, "no") == 0))
612: cipher = NULL;
613: if (nodes)
614: cipher = NULL;
615:
616: i = 0;
617: loop:
618: if (!PEM_write_bio_PrivateKey(out, pkey, cipher,
619: NULL, 0, NULL, passout)) {
620: if ((ERR_GET_REASON(ERR_peek_error()) ==
621: PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3)) {
622: ERR_clear_error();
623: i++;
624: goto loop;
625: }
626: goto end;
627: }
628: BIO_printf(bio_err, "-----\n");
629: }
630: if (!newreq) {
631: /*
632: * Since we are using a pre-existing certificate request, the
633: * kludge 'format' info should not be changed.
634: */
635: kludge = -1;
636: if (infile == NULL)
637: BIO_set_fp(in, stdin, BIO_NOCLOSE);
638: else {
639: if (BIO_read_filename(in, infile) <= 0) {
640: perror(infile);
641: goto end;
642: }
643: }
644:
645: if (informat == FORMAT_ASN1)
646: req = d2i_X509_REQ_bio(in, NULL);
647: else if (informat == FORMAT_PEM)
648: req = PEM_read_bio_X509_REQ(in, NULL, NULL, NULL);
649: else {
650: BIO_printf(bio_err, "bad input format specified for X509 request\n");
651: goto end;
652: }
653: if (req == NULL) {
654: BIO_printf(bio_err, "unable to load X509 request\n");
655: goto end;
656: }
657: }
658: if (newreq || x509) {
659: if (pkey == NULL) {
660: BIO_printf(bio_err, "you need to specify a private key\n");
661: goto end;
662: }
663: if (req == NULL) {
664: req = X509_REQ_new();
665: if (req == NULL) {
666: goto end;
667: }
668: i = make_REQ(req, pkey, subj, multirdn, !x509, chtype);
669: subj = NULL; /* done processing '-subj' option */
670: if ((kludge > 0) && !sk_X509_ATTRIBUTE_num(req->req_info->attributes)) {
671: sk_X509_ATTRIBUTE_free(req->req_info->attributes);
672: req->req_info->attributes = NULL;
673: }
674: if (!i) {
675: BIO_printf(bio_err, "problems making Certificate Request\n");
676: goto end;
677: }
678: }
679: if (x509) {
680: EVP_PKEY *tmppkey;
681: X509V3_CTX ext_ctx;
682: if ((x509ss = X509_new()) == NULL)
683: goto end;
684:
685: /* Set version to V3 */
686: if (extensions && !X509_set_version(x509ss, 2))
687: goto end;
688: if (serial) {
689: if (!X509_set_serialNumber(x509ss, serial))
690: goto end;
691: } else {
692: if (!rand_serial(NULL,
693: X509_get_serialNumber(x509ss)))
694: goto end;
695: }
696:
697: if (!X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req)))
698: goto end;
699: if (!X509_gmtime_adj(X509_get_notBefore(x509ss), 0))
700: goto end;
701: if (!X509_time_adj_ex(X509_get_notAfter(x509ss), days, 0, NULL))
702: goto end;
703: if (!X509_set_subject_name(x509ss, X509_REQ_get_subject_name(req)))
704: goto end;
705: tmppkey = X509_REQ_get_pubkey(req);
706: if (!tmppkey || !X509_set_pubkey(x509ss, tmppkey))
707: goto end;
708: EVP_PKEY_free(tmppkey);
709:
710: /* Set up V3 context struct */
711:
712: X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
713: X509V3_set_nconf(&ext_ctx, req_conf);
714:
715: /* Add extensions */
716: if (extensions && !X509V3_EXT_add_nconf(req_conf,
717: &ext_ctx, extensions, x509ss)) {
718: BIO_printf(bio_err,
719: "Error Loading extension section %s\n",
720: extensions);
721: goto end;
722: }
723: i = do_X509_sign(bio_err, x509ss, pkey, digest, sigopts);
724: if (!i) {
725: ERR_print_errors(bio_err);
726: goto end;
727: }
728: } else {
729: X509V3_CTX ext_ctx;
730:
731: /* Set up V3 context struct */
732:
733: X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
734: X509V3_set_nconf(&ext_ctx, req_conf);
735:
736: /* Add extensions */
737: if (req_exts && !X509V3_EXT_REQ_add_nconf(req_conf,
738: &ext_ctx, req_exts, req)) {
739: BIO_printf(bio_err,
740: "Error Loading extension section %s\n",
741: req_exts);
742: goto end;
743: }
744: i = do_X509_REQ_sign(bio_err, req, pkey, digest, sigopts);
745: if (!i) {
746: ERR_print_errors(bio_err);
747: goto end;
748: }
749: }
750: }
751: if (subj && x509) {
752: BIO_printf(bio_err, "Cannot modifiy certificate subject\n");
753: goto end;
754: }
755: if (subj && !x509) {
756: if (verbose) {
757: BIO_printf(bio_err, "Modifying Request's Subject\n");
758: print_name(bio_err, "old subject=", X509_REQ_get_subject_name(req), nmflag);
759: }
760: if (build_subject(req, subj, chtype, multirdn) == 0) {
761: BIO_printf(bio_err, "ERROR: cannot modify subject\n");
762: ex = 1;
763: goto end;
764: }
765: req->req_info->enc.modified = 1;
766:
767: if (verbose) {
768: print_name(bio_err, "new subject=", X509_REQ_get_subject_name(req), nmflag);
769: }
770: }
771: if (verify && !x509) {
772: int tmp = 0;
773:
774: if (pkey == NULL) {
775: pkey = X509_REQ_get_pubkey(req);
776: tmp = 1;
777: if (pkey == NULL)
778: goto end;
779: }
780: i = X509_REQ_verify(req, pkey);
781: if (tmp) {
782: EVP_PKEY_free(pkey);
783: pkey = NULL;
784: }
785: if (i < 0) {
786: goto end;
787: } else if (i == 0) {
788: BIO_printf(bio_err, "verify failure\n");
789: ERR_print_errors(bio_err);
790: } else /* if (i > 0) */
791: BIO_printf(bio_err, "verify OK\n");
792: }
793: if (noout && !text && !modulus && !subject && !pubkey) {
794: ex = 0;
795: goto end;
796: }
797: if (outfile == NULL) {
798: BIO_set_fp(out, stdout, BIO_NOCLOSE);
799: } else {
800: if ((keyout != NULL) && (strcmp(outfile, keyout) == 0))
801: i = (int) BIO_append_filename(out, outfile);
802: else
803: i = (int) BIO_write_filename(out, outfile);
804: if (!i) {
805: perror(outfile);
806: goto end;
807: }
808: }
809:
810: if (pubkey) {
811: EVP_PKEY *tpubkey;
812: tpubkey = X509_REQ_get_pubkey(req);
813: if (tpubkey == NULL) {
814: BIO_printf(bio_err, "Error getting public key\n");
815: ERR_print_errors(bio_err);
816: goto end;
817: }
818: PEM_write_bio_PUBKEY(out, tpubkey);
819: EVP_PKEY_free(tpubkey);
820: }
821: if (text) {
822: if (x509)
823: X509_print_ex(out, x509ss, nmflag, reqflag);
824: else
825: X509_REQ_print_ex(out, req, nmflag, reqflag);
826: }
827: if (subject) {
828: if (x509)
829: print_name(out, "subject=", X509_get_subject_name(x509ss), nmflag);
830: else
831: print_name(out, "subject=", X509_REQ_get_subject_name(req), nmflag);
832: }
833: if (modulus) {
834: EVP_PKEY *tpubkey;
835:
836: if (x509)
837: tpubkey = X509_get_pubkey(x509ss);
838: else
839: tpubkey = X509_REQ_get_pubkey(req);
840: if (tpubkey == NULL) {
841: fprintf(stdout, "Modulus=unavailable\n");
842: goto end;
843: }
844: fprintf(stdout, "Modulus=");
845: if (EVP_PKEY_base_id(tpubkey) == EVP_PKEY_RSA)
846: BN_print(out, tpubkey->pkey.rsa->n);
847: else
848: fprintf(stdout, "Wrong Algorithm type");
849: EVP_PKEY_free(tpubkey);
850: fprintf(stdout, "\n");
851: }
852: if (!noout && !x509) {
853: if (outformat == FORMAT_ASN1)
854: i = i2d_X509_REQ_bio(out, req);
855: else if (outformat == FORMAT_PEM) {
856: if (newhdr)
857: i = PEM_write_bio_X509_REQ_NEW(out, req);
858: else
859: i = PEM_write_bio_X509_REQ(out, req);
860: } else {
861: BIO_printf(bio_err, "bad output format specified for outfile\n");
862: goto end;
863: }
864: if (!i) {
865: BIO_printf(bio_err, "unable to write X509 request\n");
866: goto end;
867: }
868: }
869: if (!noout && x509 && (x509ss != NULL)) {
870: if (outformat == FORMAT_ASN1)
871: i = i2d_X509_bio(out, x509ss);
872: else if (outformat == FORMAT_PEM)
873: i = PEM_write_bio_X509(out, x509ss);
874: else {
875: BIO_printf(bio_err, "bad output format specified for outfile\n");
876: goto end;
877: }
878: if (!i) {
879: BIO_printf(bio_err, "unable to write X509 certificate\n");
880: goto end;
881: }
882: }
883: ex = 0;
884: end:
885: if (ex) {
886: ERR_print_errors(bio_err);
887: }
888: if ((req_conf != NULL) && (req_conf != config))
889: NCONF_free(req_conf);
890: BIO_free(in);
891: BIO_free_all(out);
892: EVP_PKEY_free(pkey);
893: if (genctx)
894: EVP_PKEY_CTX_free(genctx);
895: if (pkeyopts)
896: sk_OPENSSL_STRING_free(pkeyopts);
897: if (sigopts)
898: sk_OPENSSL_STRING_free(sigopts);
899: #ifndef OPENSSL_NO_ENGINE
900: if (gen_eng)
901: ENGINE_free(gen_eng);
902: #endif
903: free(keyalgstr);
904: X509_REQ_free(req);
905: X509_free(x509ss);
906: ASN1_INTEGER_free(serial);
907: if (passargin && passin)
908: free(passin);
909: if (passargout && passout)
910: free(passout);
911: OBJ_cleanup();
912:
913: return (ex);
914: }
915:
916: static int
917: make_REQ(X509_REQ * req, EVP_PKEY * pkey, char *subj, int multirdn,
918: int attribs, unsigned long chtype)
919: {
920: int ret = 0, i;
921: char no_prompt = 0;
922: STACK_OF(CONF_VALUE) * dn_sk, *attr_sk = NULL;
923: char *tmp, *dn_sect, *attr_sect;
924:
925: tmp = NCONF_get_string(req_conf, SECTION, PROMPT);
926: if (tmp == NULL)
927: ERR_clear_error();
928: if ((tmp != NULL) && !strcmp(tmp, "no"))
929: no_prompt = 1;
930:
931: dn_sect = NCONF_get_string(req_conf, SECTION, DISTINGUISHED_NAME);
932: if (dn_sect == NULL) {
933: BIO_printf(bio_err, "unable to find '%s' in config\n",
934: DISTINGUISHED_NAME);
935: goto err;
936: }
937: dn_sk = NCONF_get_section(req_conf, dn_sect);
938: if (dn_sk == NULL) {
939: BIO_printf(bio_err, "unable to get '%s' section\n", dn_sect);
940: goto err;
941: }
942: attr_sect = NCONF_get_string(req_conf, SECTION, ATTRIBUTES);
943: if (attr_sect == NULL) {
944: ERR_clear_error();
945: attr_sk = NULL;
946: } else {
947: attr_sk = NCONF_get_section(req_conf, attr_sect);
948: if (attr_sk == NULL) {
949: BIO_printf(bio_err, "unable to get '%s' section\n", attr_sect);
950: goto err;
951: }
952: }
953:
954: /* setup version number */
955: if (!X509_REQ_set_version(req, 0L))
956: goto err; /* version 1 */
957:
958: if (no_prompt)
959: i = auto_info(req, dn_sk, attr_sk, attribs, chtype);
960: else {
961: if (subj)
962: i = build_subject(req, subj, chtype, multirdn);
963: else
964: i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs, chtype);
965: }
966: if (!i)
967: goto err;
968:
969: if (!X509_REQ_set_pubkey(req, pkey))
970: goto err;
971:
972: ret = 1;
973: err:
974: return (ret);
975: }
976:
977: /*
978: * subject is expected to be in the format /type0=value0/type1=value1/type2=...
979: * where characters may be escaped by \
980: */
981: static int
982: build_subject(X509_REQ * req, char *subject, unsigned long chtype, int multirdn)
983: {
984: X509_NAME *n;
985:
986: if (!(n = parse_name(subject, chtype, multirdn)))
987: return 0;
988:
989: if (!X509_REQ_set_subject_name(req, n)) {
990: X509_NAME_free(n);
991: return 0;
992: }
993: X509_NAME_free(n);
994: return 1;
995: }
996:
997:
998: static int
999: prompt_info(X509_REQ * req,
1000: STACK_OF(CONF_VALUE) * dn_sk, char *dn_sect,
1001: STACK_OF(CONF_VALUE) * attr_sk, char *attr_sect, int attribs,
1002: unsigned long chtype)
1003: {
1004: int i;
1005: char *p, *q;
1006: char buf[100];
1007: int nid, mval;
1008: long n_min, n_max;
1009: char *type, *value;
1010: const char *def;
1011: CONF_VALUE *v;
1012: X509_NAME *subj;
1013: subj = X509_REQ_get_subject_name(req);
1014:
1015: if (!batch) {
1016: BIO_printf(bio_err, "You are about to be asked to enter information that will be incorporated\n");
1017: BIO_printf(bio_err, "into your certificate request.\n");
1018: BIO_printf(bio_err, "What you are about to enter is what is called a Distinguished Name or a DN.\n");
1019: BIO_printf(bio_err, "There are quite a few fields but you can leave some blank\n");
1020: BIO_printf(bio_err, "For some fields there will be a default value,\n");
1021: BIO_printf(bio_err, "If you enter '.', the field will be left blank.\n");
1022: BIO_printf(bio_err, "-----\n");
1023: }
1024: if (sk_CONF_VALUE_num(dn_sk)) {
1025: i = -1;
1026: start: for (;;) {
1027: int ret;
1028: i++;
1029: if (sk_CONF_VALUE_num(dn_sk) <= i)
1030: break;
1031:
1032: v = sk_CONF_VALUE_value(dn_sk, i);
1033: p = q = NULL;
1034: type = v->name;
1035: if (!check_end(type, "_min") || !check_end(type, "_max") ||
1036: !check_end(type, "_default") ||
1037: !check_end(type, "_value"))
1038: continue;
1039: /*
1040: * Skip past any leading X. X: X, etc to allow for
1041: * multiple instances
1042: */
1043: for (p = v->name; *p; p++)
1044: if ((*p == ':') || (*p == ',') ||
1045: (*p == '.')) {
1046: p++;
1047: if (*p)
1048: type = p;
1049: break;
1050: }
1051: if (*type == '+') {
1052: mval = -1;
1053: type++;
1054: } else
1055: mval = 0;
1056: /* If OBJ not recognised ignore it */
1057: if ((nid = OBJ_txt2nid(type)) == NID_undef)
1058: goto start;
1059: ret = snprintf(buf, sizeof buf, "%s_default", v->name);
1060: if (ret == -1 || ret >= sizeof(buf)) {
1061: BIO_printf(bio_err, "Name '%s' too long for default\n",
1062: v->name);
1063: return 0;
1064: }
1065: if ((def = NCONF_get_string(req_conf, dn_sect, buf)) == NULL) {
1066: ERR_clear_error();
1067: def = "";
1068: }
1069: ret = snprintf(buf, sizeof buf, "%s_value", v->name);
1070: if (ret == -1 || ret >= sizeof(buf)) {
1071: BIO_printf(bio_err, "Name '%s' too long for value\n",
1072: v->name);
1073: return 0;
1074: }
1075: if ((value = NCONF_get_string(req_conf, dn_sect, buf)) == NULL) {
1076: ERR_clear_error();
1077: value = NULL;
1078: }
1079: ret = snprintf(buf, sizeof buf, "%s_min", v->name);
1080: if (ret == -1 || ret >= sizeof(buf)) {
1081: BIO_printf(bio_err, "Name '%s' too long for min\n",
1082: v->name);
1083: return 0;
1084: }
1085: if (!NCONF_get_number(req_conf, dn_sect, buf, &n_min)) {
1086: ERR_clear_error();
1087: n_min = -1;
1088: }
1089: ret = snprintf(buf, sizeof buf, "%s_max", v->name);
1090: if (ret == -1 || ret >= sizeof(buf)) {
1091: BIO_printf(bio_err, "Name '%s' too long for max\n",
1092: v->name);
1093: return 0;
1094: }
1095: if (!NCONF_get_number(req_conf, dn_sect, buf, &n_max)) {
1096: ERR_clear_error();
1097: n_max = -1;
1098: }
1099: if (!add_DN_object(subj, v->value, def, value, nid,
1100: n_min, n_max, chtype, mval))
1101: return 0;
1102: }
1103: if (X509_NAME_entry_count(subj) == 0) {
1104: BIO_printf(bio_err, "error, no objects specified in config file\n");
1105: return 0;
1106: }
1107: if (attribs) {
1108: if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0) &&
1109: (!batch)) {
1110: BIO_printf(bio_err,
1111: "\nPlease enter the following 'extra' attributes\n");
1112: BIO_printf(bio_err,
1113: "to be sent with your certificate request\n");
1114: }
1115: i = -1;
1116: start2: for (;;) {
1117: int ret;
1118: i++;
1119: if ((attr_sk == NULL) ||
1120: (sk_CONF_VALUE_num(attr_sk) <= i))
1121: break;
1122:
1123: v = sk_CONF_VALUE_value(attr_sk, i);
1124: type = v->name;
1125: if ((nid = OBJ_txt2nid(type)) == NID_undef)
1126: goto start2;
1127: ret = snprintf(buf, sizeof buf, "%s_default", type);
1128: if (ret == -1 || ret >= sizeof(buf)) {
1129: BIO_printf(bio_err, "Name '%s' too long for default\n",
1130: v->name);
1131: return 0;
1132: }
1133: if ((def = NCONF_get_string(req_conf, attr_sect, buf))
1134: == NULL) {
1135: ERR_clear_error();
1136: def = "";
1137: }
1138: ret = snprintf(buf, sizeof buf, "%s_value", type);
1139: if (ret == -1 || ret >= sizeof(buf)) {
1140: BIO_printf(bio_err, "Name '%s' too long for value\n",
1141: v->name);
1142: return 0;
1143: }
1144: if ((value = NCONF_get_string(req_conf, attr_sect, buf))
1145: == NULL) {
1146: ERR_clear_error();
1147: value = NULL;
1148: }
1149: ret = snprintf(buf, sizeof buf, "%s_min", type);
1150: if (ret == -1 || ret >= sizeof(buf)) {
1151: BIO_printf(bio_err, "Name '%s' too long for min\n",
1152: v->name);
1153: return 0;
1154: }
1155: if (!NCONF_get_number(req_conf, attr_sect, buf, &n_min)) {
1156: ERR_clear_error();
1157: n_min = -1;
1158: }
1159: ret = snprintf(buf, sizeof buf, "%s_max", type);
1160: if (ret == -1 || ret >= sizeof(buf)) {
1161: BIO_printf(bio_err, "Name '%s' too long for max\n",
1162: v->name);
1163: return 0;
1164: }
1165: if (!NCONF_get_number(req_conf, attr_sect, buf, &n_max)) {
1166: ERR_clear_error();
1167: n_max = -1;
1168: }
1169: if (!add_attribute_object(req,
1170: v->value, def, value, nid, n_min, n_max, chtype))
1171: return 0;
1172: }
1173: }
1174: } else {
1175: BIO_printf(bio_err, "No template, please set one up.\n");
1176: return 0;
1177: }
1178:
1179: return 1;
1180:
1181: }
1182:
1183: static int
1184: auto_info(X509_REQ * req, STACK_OF(CONF_VALUE) * dn_sk,
1185: STACK_OF(CONF_VALUE) * attr_sk, int attribs, unsigned long chtype)
1186: {
1187: int i;
1188: char *p, *q;
1189: char *type;
1190: CONF_VALUE *v;
1191: X509_NAME *subj;
1192:
1193: subj = X509_REQ_get_subject_name(req);
1194:
1195: for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++) {
1196: int mval;
1197: v = sk_CONF_VALUE_value(dn_sk, i);
1198: p = q = NULL;
1199: type = v->name;
1200: /*
1201: * Skip past any leading X. X: X, etc to allow for multiple
1202: * instances
1203: */
1204: for (p = v->name; *p; p++)
1205: if ((*p == ':') || (*p == ',') || (*p == '.')) {
1206: p++;
1207: if (*p)
1208: type = p;
1209: break;
1210: }
1211: if (*p == '+') {
1212: p++;
1213: mval = -1;
1214: } else
1215: mval = 0;
1216: if (!X509_NAME_add_entry_by_txt(subj, type, chtype,
1217: (unsigned char *) v->value, -1, -1, mval))
1218: return 0;
1219:
1220: }
1221:
1222: if (!X509_NAME_entry_count(subj)) {
1223: BIO_printf(bio_err, "error, no objects specified in config file\n");
1224: return 0;
1225: }
1226: if (attribs) {
1227: for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++) {
1228: v = sk_CONF_VALUE_value(attr_sk, i);
1229: if (!X509_REQ_add1_attr_by_txt(req, v->name, chtype,
1230: (unsigned char *) v->value, -1))
1231: return 0;
1232: }
1233: }
1234: return 1;
1235: }
1236:
1237:
1238: static int
1239: add_DN_object(X509_NAME * n, char *text, const char *def, char *value,
1240: int nid, int n_min, int n_max, unsigned long chtype, int mval)
1241: {
1242: int i, ret = 0;
1243: char buf[1024];
1244: start:
1245: if (!batch)
1246: BIO_printf(bio_err, "%s [%s]:", text, def);
1247: (void) BIO_flush(bio_err);
1248: if (value != NULL) {
1249: strlcpy(buf, value, sizeof buf);
1250: strlcat(buf, "\n", sizeof buf);
1251: BIO_printf(bio_err, "%s\n", value);
1252: } else {
1253: buf[0] = '\0';
1254: if (!batch) {
1255: if (!fgets(buf, sizeof buf, stdin))
1256: return 0;
1257: } else {
1258: buf[0] = '\n';
1259: buf[1] = '\0';
1260: }
1261: }
1262:
1263: if (buf[0] == '\0')
1264: return (0);
1265: else if (buf[0] == '\n') {
1266: if ((def == NULL) || (def[0] == '\0'))
1267: return (1);
1268: strlcpy(buf, def, sizeof buf);
1269: strlcat(buf, "\n", sizeof buf);
1270: } else if ((buf[0] == '.') && (buf[1] == '\n'))
1271: return (1);
1272:
1273: i = strlen(buf);
1274: if (buf[i - 1] != '\n') {
1275: BIO_printf(bio_err, "weird input :-(\n");
1276: return (0);
1277: }
1278: buf[--i] = '\0';
1279: if (!req_check_len(i, n_min, n_max))
1280: goto start;
1281: if (!X509_NAME_add_entry_by_NID(n, nid, chtype,
1282: (unsigned char *) buf, -1, -1, mval))
1283: goto err;
1284: ret = 1;
1285: err:
1286: return (ret);
1287: }
1288:
1289: static int
1290: add_attribute_object(X509_REQ * req, char *text, const char *def,
1291: char *value, int nid, int n_min,
1292: int n_max, unsigned long chtype)
1293: {
1294: int i;
1295: static char buf[1024];
1296:
1297: start:
1298: if (!batch)
1299: BIO_printf(bio_err, "%s [%s]:", text, def);
1300: (void) BIO_flush(bio_err);
1301: if (value != NULL) {
1302: strlcpy(buf, value, sizeof buf);
1303: strlcat(buf, "\n", sizeof buf);
1304: BIO_printf(bio_err, "%s\n", value);
1305: } else {
1306: buf[0] = '\0';
1307: if (!batch) {
1308: if (!fgets(buf, sizeof buf, stdin))
1309: return 0;
1310: } else {
1311: buf[0] = '\n';
1312: buf[1] = '\0';
1313: }
1314: }
1315:
1316: if (buf[0] == '\0')
1317: return (0);
1318: else if (buf[0] == '\n') {
1319: if ((def == NULL) || (def[0] == '\0'))
1320: return (1);
1321: strlcpy(buf, def, sizeof buf);
1322: strlcat(buf, "\n", sizeof buf);
1323: } else if ((buf[0] == '.') && (buf[1] == '\n'))
1324: return (1);
1325:
1326: i = strlen(buf);
1327: if (buf[i - 1] != '\n') {
1328: BIO_printf(bio_err, "weird input :-(\n");
1329: return (0);
1330: }
1331: buf[--i] = '\0';
1332: if (!req_check_len(i, n_min, n_max))
1333: goto start;
1334:
1335: if (!X509_REQ_add1_attr_by_NID(req, nid, chtype,
1336: (unsigned char *) buf, -1)) {
1337: BIO_printf(bio_err, "Error adding attribute\n");
1338: ERR_print_errors(bio_err);
1339: goto err;
1340: }
1341: return (1);
1342: err:
1343: return (0);
1344: }
1345:
1346: static int
1347: req_check_len(int len, int n_min, int n_max)
1348: {
1349: if ((n_min > 0) && (len < n_min)) {
1350: BIO_printf(bio_err, "string is too short, it needs to be at least %d bytes long\n", n_min);
1351: return (0);
1352: }
1353: if ((n_max >= 0) && (len > n_max)) {
1354: BIO_printf(bio_err, "string is too long, it needs to be less than %d bytes long\n", n_max);
1355: return (0);
1356: }
1357: return (1);
1358: }
1359:
1360: /* Check if the end of a string matches 'end' */
1361: static int
1362: check_end(const char *str, const char *end)
1363: {
1364: int elen, slen;
1365: const char *tmp;
1366: elen = strlen(end);
1367: slen = strlen(str);
1368: if (elen > slen)
1369: return 1;
1370: tmp = str + slen - elen;
1371: return strcmp(tmp, end);
1372: }
1373:
1374: static EVP_PKEY_CTX *
1375: set_keygen_ctx(BIO * err, const char *gstr, int *pkey_type,
1376: long *pkeylen, char **palgnam,
1377: ENGINE * keygen_engine)
1378: {
1379: EVP_PKEY_CTX *gctx = NULL;
1380: EVP_PKEY *param = NULL;
1381: long keylen = -1;
1382: BIO *pbio = NULL;
1383: const char *paramfile = NULL;
1384: const char *errstr;
1385:
1386: if (gstr == NULL) {
1387: *pkey_type = EVP_PKEY_RSA;
1388: keylen = *pkeylen;
1389: } else if (gstr[0] >= '0' && gstr[0] <= '9') {
1390: *pkey_type = EVP_PKEY_RSA;
1391: keylen = strtonum(gstr, 0, LONG_MAX, &errstr);
1392: if (errstr) {
1393: BIO_printf(err, "bad algorithm %s: %s\n", gstr, errstr);
1394: return NULL;
1395: }
1396: *pkeylen = keylen;
1397: } else if (!strncmp(gstr, "param:", 6))
1398: paramfile = gstr + 6;
1399: else {
1400: const char *p = strchr(gstr, ':');
1401: int len;
1402: ENGINE *tmpeng;
1403: const EVP_PKEY_ASN1_METHOD *ameth;
1404:
1405: if (p)
1406: len = p - gstr;
1407: else
1408: len = strlen(gstr);
1409: /*
1410: * The lookup of a the string will cover all engines so keep
1411: * a note of the implementation.
1412: */
1413:
1414: ameth = EVP_PKEY_asn1_find_str(&tmpeng, gstr, len);
1415:
1416: if (!ameth) {
1417: BIO_printf(err, "Unknown algorithm %.*s\n", len, gstr);
1418: return NULL;
1419: }
1420: EVP_PKEY_asn1_get0_info(NULL, pkey_type, NULL, NULL, NULL,
1421: ameth);
1422: #ifndef OPENSSL_NO_ENGINE
1423: if (tmpeng)
1424: ENGINE_finish(tmpeng);
1425: #endif
1426: if (*pkey_type == EVP_PKEY_RSA) {
1427: if (p) {
1428: keylen = strtonum(p + 1, 0, LONG_MAX, &errstr);
1429: if (errstr) {
1430: BIO_printf(err, "bad algorithm %s: %s\n",
1431: p + 1, errstr);
1432: return NULL;
1433: }
1434: *pkeylen = keylen;
1435: } else
1436: keylen = *pkeylen;
1437: } else if (p)
1438: paramfile = p + 1;
1439: }
1440:
1441: if (paramfile) {
1442: pbio = BIO_new_file(paramfile, "r");
1443: if (!pbio) {
1444: BIO_printf(err, "Can't open parameter file %s\n",
1445: paramfile);
1446: return NULL;
1447: }
1448: param = PEM_read_bio_Parameters(pbio, NULL);
1449:
1450: if (!param) {
1451: X509 *x;
1452: (void) BIO_reset(pbio);
1453: x = PEM_read_bio_X509(pbio, NULL, NULL, NULL);
1454: if (x) {
1455: param = X509_get_pubkey(x);
1456: X509_free(x);
1457: }
1458: }
1459: BIO_free(pbio);
1460:
1461: if (!param) {
1462: BIO_printf(err, "Error reading parameter file %s\n",
1463: paramfile);
1464: return NULL;
1465: }
1466: if (*pkey_type == -1)
1467: *pkey_type = EVP_PKEY_id(param);
1468: else if (*pkey_type != EVP_PKEY_base_id(param)) {
1469: BIO_printf(err, "Key Type does not match parameters\n");
1470: EVP_PKEY_free(param);
1471: return NULL;
1472: }
1473: }
1474: if (palgnam) {
1475: const EVP_PKEY_ASN1_METHOD *ameth;
1476: ENGINE *tmpeng;
1477: const char *anam;
1478: ameth = EVP_PKEY_asn1_find(&tmpeng, *pkey_type);
1479: if (!ameth) {
1480: BIO_puts(err, "Internal error: can't find key algorithm\n");
1481: return NULL;
1482: }
1483: EVP_PKEY_asn1_get0_info(NULL, NULL, NULL, NULL, &anam, ameth);
1484: *palgnam = BUF_strdup(anam);
1485: #ifndef OPENSSL_NO_ENGINE
1486: if (tmpeng)
1487: ENGINE_finish(tmpeng);
1488: #endif
1489: }
1490: if (param) {
1491: gctx = EVP_PKEY_CTX_new(param, keygen_engine);
1492: *pkeylen = EVP_PKEY_bits(param);
1493: EVP_PKEY_free(param);
1494: } else
1495: gctx = EVP_PKEY_CTX_new_id(*pkey_type, keygen_engine);
1496:
1497: if (!gctx) {
1498: BIO_puts(err, "Error allocating keygen context\n");
1499: ERR_print_errors(err);
1500: return NULL;
1501: }
1502: if (EVP_PKEY_keygen_init(gctx) <= 0) {
1503: BIO_puts(err, "Error initializing keygen context\n");
1504: ERR_print_errors(err);
1505: return NULL;
1506: }
1507: if ((*pkey_type == EVP_PKEY_RSA) && (keylen != -1)) {
1508: if (EVP_PKEY_CTX_set_rsa_keygen_bits(gctx, keylen) <= 0) {
1509: BIO_puts(err, "Error setting RSA keysize\n");
1510: ERR_print_errors(err);
1511: EVP_PKEY_CTX_free(gctx);
1512: return NULL;
1513: }
1514: }
1515:
1516: return gctx;
1517: }
1518:
1519: static int
1520: genpkey_cb(EVP_PKEY_CTX * ctx)
1521: {
1522: char c = '*';
1523: BIO *b = EVP_PKEY_CTX_get_app_data(ctx);
1524: int p;
1525: p = EVP_PKEY_CTX_get_keygen_info(ctx, 0);
1526: if (p == 0)
1527: c = '.';
1528: if (p == 1)
1529: c = '+';
1530: if (p == 2)
1531: c = '*';
1532: if (p == 3)
1533: c = '\n';
1534: BIO_write(b, &c, 1);
1535: (void) BIO_flush(b);
1536: return 1;
1537: }
1538:
1539: static int
1540: do_sign_init(BIO * err, EVP_MD_CTX * ctx, EVP_PKEY * pkey,
1541: const EVP_MD * md, STACK_OF(OPENSSL_STRING) * sigopts)
1542: {
1543: EVP_PKEY_CTX *pkctx = NULL;
1544: int i;
1545: EVP_MD_CTX_init(ctx);
1546: if (!EVP_DigestSignInit(ctx, &pkctx, md, NULL, pkey))
1547: return 0;
1548: for (i = 0; i < sk_OPENSSL_STRING_num(sigopts); i++) {
1549: char *sigopt = sk_OPENSSL_STRING_value(sigopts, i);
1550: if (pkey_ctrl_string(pkctx, sigopt) <= 0) {
1551: BIO_printf(err, "parameter error \"%s\"\n", sigopt);
1552: ERR_print_errors(bio_err);
1553: return 0;
1554: }
1555: }
1556: return 1;
1557: }
1558:
1559: int
1560: do_X509_sign(BIO * err, X509 * x, EVP_PKEY * pkey, const EVP_MD * md,
1561: STACK_OF(OPENSSL_STRING) * sigopts)
1562: {
1563: int rv;
1564: EVP_MD_CTX mctx;
1565: EVP_MD_CTX_init(&mctx);
1566: rv = do_sign_init(err, &mctx, pkey, md, sigopts);
1567: if (rv > 0)
1568: rv = X509_sign_ctx(x, &mctx);
1569: EVP_MD_CTX_cleanup(&mctx);
1570: return rv > 0 ? 1 : 0;
1571: }
1572:
1573:
1574: int
1575: do_X509_REQ_sign(BIO * err, X509_REQ * x, EVP_PKEY * pkey, const EVP_MD * md,
1576: STACK_OF(OPENSSL_STRING) * sigopts)
1577: {
1578: int rv;
1579: EVP_MD_CTX mctx;
1580: EVP_MD_CTX_init(&mctx);
1581: rv = do_sign_init(err, &mctx, pkey, md, sigopts);
1582: if (rv > 0)
1583: rv = X509_REQ_sign_ctx(x, &mctx);
1584: EVP_MD_CTX_cleanup(&mctx);
1585: return rv > 0 ? 1 : 0;
1586: }
1587:
1588:
1589:
1590: int
1591: do_X509_CRL_sign(BIO * err, X509_CRL * x, EVP_PKEY * pkey, const EVP_MD * md,
1592: STACK_OF(OPENSSL_STRING) * sigopts)
1593: {
1594: int rv;
1595: EVP_MD_CTX mctx;
1596: EVP_MD_CTX_init(&mctx);
1597: rv = do_sign_init(err, &mctx, pkey, md, sigopts);
1598: if (rv > 0)
1599: rv = X509_CRL_sign_ctx(x, &mctx);
1600: EVP_MD_CTX_cleanup(&mctx);
1601: return rv > 0 ? 1 : 0;
1602: }