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1.4 ! doug 1: /* $OpenBSD: x509.c,v 1.3 2015/06/20 01:07:25 doug 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: #include <assert.h>
60: #include <stdio.h>
61: #include <stdlib.h>
62: #include <limits.h>
63: #include <string.h>
64:
65: #include "apps.h"
66:
67: #include <openssl/asn1.h>
68: #include <openssl/bio.h>
69: #include <openssl/bn.h>
70: #include <openssl/err.h>
71: #include <openssl/evp.h>
72: #include <openssl/objects.h>
73: #include <openssl/pem.h>
74: #include <openssl/x509.h>
75: #include <openssl/x509v3.h>
76:
77: #include <openssl/dsa.h>
78:
79: #include <openssl/rsa.h>
80:
81: #define POSTFIX ".srl"
82: #define DEF_DAYS 30
83:
84: static const char *x509_usage[] = {
85: "usage: x509 args\n",
86: " -inform arg - input format - default PEM (one of DER, NET or PEM)\n",
87: " -outform arg - output format - default PEM (one of DER, NET or PEM)\n",
88: " -keyform arg - private key format - default PEM\n",
89: " -CAform arg - CA format - default PEM\n",
90: " -CAkeyform arg - CA key format - default PEM\n",
91: " -in arg - input file - default stdin\n",
92: " -out arg - output file - default stdout\n",
93: " -passin arg - private key password source\n",
94: " -serial - print serial number value\n",
95: " -subject_hash - print subject hash value\n",
96: #ifndef OPENSSL_NO_MD5
97: " -subject_hash_old - print old-style (MD5) subject hash value\n",
98: #endif
99: " -issuer_hash - print issuer hash value\n",
100: #ifndef OPENSSL_NO_MD5
101: " -issuer_hash_old - print old-style (MD5) issuer hash value\n",
102: #endif
103: " -hash - synonym for -subject_hash\n",
104: " -subject - print subject DN\n",
105: " -issuer - print issuer DN\n",
106: " -email - print email address(es)\n",
107: " -startdate - notBefore field\n",
108: " -enddate - notAfter field\n",
109: " -purpose - print out certificate purposes\n",
110: " -dates - both Before and After dates\n",
111: " -modulus - print the RSA key modulus\n",
112: " -pubkey - output the public key\n",
113: " -fingerprint - print the certificate fingerprint\n",
114: " -alias - output certificate alias\n",
115: " -noout - no certificate output\n",
116: " -ocspid - print OCSP hash values for the subject name and public key\n",
117: " -ocsp_uri - print OCSP Responder URL(s)\n",
118: " -trustout - output a \"trusted\" certificate\n",
119: " -clrtrust - clear all trusted purposes\n",
120: " -clrreject - clear all rejected purposes\n",
121: " -addtrust arg - trust certificate for a given purpose\n",
122: " -addreject arg - reject certificate for a given purpose\n",
123: " -setalias arg - set certificate alias\n",
124: " -days arg - How long till expiry of a signed certificate - def 30 days\n",
125: " -checkend arg - check whether the cert expires in the next arg seconds\n",
126: " exit 1 if so, 0 if not\n",
127: " -signkey arg - self sign cert with arg\n",
128: " -x509toreq - output a certification request object\n",
129: " -req - input is a certificate request, sign and output.\n",
130: " -CA arg - set the CA certificate, must be PEM format.\n",
131: " -CAkey arg - set the CA key, must be PEM format\n",
132: " missing, it is assumed to be in the CA file.\n",
133: " -CAcreateserial - create serial number file if it does not exist\n",
134: " -CAserial arg - serial file\n",
135: " -set_serial - serial number to use\n",
136: " -text - print the certificate in text form\n",
137: " -C - print out C code forms\n",
1.3 doug 138: " -md2/-md5/-sha1 - digest to use\n",
1.1 jsing 139: " -extfile - configuration file with X509V3 extensions to add\n",
140: " -extensions - section from config file with X509V3 extensions to add\n",
141: " -clrext - delete extensions before signing and input certificate\n",
142: " -nameopt arg - various certificate name options\n",
143: #ifndef OPENSSL_NO_ENGINE
144: " -engine e - use engine e, possibly a hardware device.\n",
145: #endif
146: " -certopt arg - various certificate text options\n",
147: NULL
148: };
149:
150: static int callb(int ok, X509_STORE_CTX *ctx);
151: static int sign(X509 *x, EVP_PKEY *pkey, int days, int clrext,
152: const EVP_MD *digest, CONF *conf, char *section);
153: static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
154: X509 *x, X509 *xca, EVP_PKEY *pkey, STACK_OF(OPENSSL_STRING) *sigopts,
155: char *serial, int create, int days, int clrext, CONF *conf, char *section,
156: ASN1_INTEGER *sno);
157: static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt);
158: static int reqfile = 0;
159:
160: int x509_main(int, char **);
161:
162: int
163: x509_main(int argc, char **argv)
164: {
165: ENGINE *e = NULL;
166: int ret = 1;
167: X509_REQ *req = NULL;
168: X509 *x = NULL, *xca = NULL;
169: ASN1_OBJECT *objtmp;
170: STACK_OF(OPENSSL_STRING) *sigopts = NULL;
171: EVP_PKEY *Upkey = NULL, *CApkey = NULL;
172: ASN1_INTEGER *sno = NULL;
173: int i, num, badops = 0;
174: BIO *out = NULL;
175: BIO *STDout = NULL;
176: STACK_OF(ASN1_OBJECT) *trust = NULL, *reject = NULL;
177: int informat, outformat, keyformat, CAformat, CAkeyformat;
178: char *infile = NULL, *outfile = NULL, *keyfile = NULL, *CAfile = NULL;
179: char *CAkeyfile = NULL, *CAserial = NULL;
180: char *alias = NULL;
181: int text = 0, serial = 0, subject = 0, issuer = 0, startdate = 0,
182: enddate = 0;
183: int next_serial = 0;
184: int subject_hash = 0, issuer_hash = 0, ocspid = 0;
185: #ifndef OPENSSL_NO_MD5
186: int subject_hash_old = 0, issuer_hash_old = 0;
187: #endif
188: int noout = 0, sign_flag = 0, CA_flag = 0, CA_createserial = 0,
189: email = 0;
190: int ocsp_uri = 0;
191: int trustout = 0, clrtrust = 0, clrreject = 0, aliasout = 0, clrext = 0;
192: int C = 0;
193: int x509req = 0, days = DEF_DAYS, modulus = 0, pubkey = 0;
194: int pprint = 0;
195: const char **pp;
196: X509_STORE *ctx = NULL;
197: X509_REQ *rq = NULL;
198: int fingerprint = 0;
199: char buf[256];
200: const EVP_MD *md_alg, *digest = NULL;
201: CONF *extconf = NULL;
202: char *extsect = NULL, *extfile = NULL, *passin = NULL, *passargin = NULL;
203: int checkend = 0, checkoffset = 0;
204: unsigned long nmflag = 0, certflag = 0;
205: #ifndef OPENSSL_NO_ENGINE
206: char *engine = NULL;
207: #endif
208: const char *errstr = NULL;
209:
210: reqfile = 0;
211:
212: STDout = BIO_new_fp(stdout, BIO_NOCLOSE);
213:
214: informat = FORMAT_PEM;
215: outformat = FORMAT_PEM;
216: keyformat = FORMAT_PEM;
217: CAformat = FORMAT_PEM;
218: CAkeyformat = FORMAT_PEM;
219:
220: ctx = X509_STORE_new();
221: if (ctx == NULL)
222: goto end;
223: X509_STORE_set_verify_cb(ctx, callb);
224:
225: argc--;
226: argv++;
227: num = 0;
228: while (argc >= 1) {
229: if (strcmp(*argv, "-inform") == 0) {
230: if (--argc < 1)
231: goto bad;
232: informat = str2fmt(*(++argv));
233: } else if (strcmp(*argv, "-outform") == 0) {
234: if (--argc < 1)
235: goto bad;
236: outformat = str2fmt(*(++argv));
237: } else if (strcmp(*argv, "-keyform") == 0) {
238: if (--argc < 1)
239: goto bad;
240: keyformat = str2fmt(*(++argv));
241: } else if (strcmp(*argv, "-req") == 0) {
242: reqfile = 1;
243: } else if (strcmp(*argv, "-CAform") == 0) {
244: if (--argc < 1)
245: goto bad;
246: CAformat = str2fmt(*(++argv));
247: } else if (strcmp(*argv, "-CAkeyform") == 0) {
248: if (--argc < 1)
249: goto bad;
250: CAkeyformat = str2fmt(*(++argv));
251: } else if (strcmp(*argv, "-sigopt") == 0) {
252: if (--argc < 1)
253: goto bad;
254: if (!sigopts)
255: sigopts = sk_OPENSSL_STRING_new_null();
256: if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, *(++argv)))
257: goto bad;
258: } else if (strcmp(*argv, "-days") == 0) {
259: if (--argc < 1)
260: goto bad;
261: days = strtonum(*(++argv), 1, INT_MAX, &errstr);
262: if (errstr) {
263: BIO_printf(bio_err, "bad number of days: %s\n", errstr);
264: goto bad;
265: }
266: } else if (strcmp(*argv, "-passin") == 0) {
267: if (--argc < 1)
268: goto bad;
269: passargin = *(++argv);
270: } else if (strcmp(*argv, "-extfile") == 0) {
271: if (--argc < 1)
272: goto bad;
273: extfile = *(++argv);
274: } else if (strcmp(*argv, "-extensions") == 0) {
275: if (--argc < 1)
276: goto bad;
277: extsect = *(++argv);
278: } else if (strcmp(*argv, "-in") == 0) {
279: if (--argc < 1)
280: goto bad;
281: infile = *(++argv);
282: } else if (strcmp(*argv, "-out") == 0) {
283: if (--argc < 1)
284: goto bad;
285: outfile = *(++argv);
286: } else if (strcmp(*argv, "-signkey") == 0) {
287: if (--argc < 1)
288: goto bad;
289: keyfile = *(++argv);
290: sign_flag = ++num;
291: } else if (strcmp(*argv, "-CA") == 0) {
292: if (--argc < 1)
293: goto bad;
294: CAfile = *(++argv);
295: CA_flag = ++num;
296: } else if (strcmp(*argv, "-CAkey") == 0) {
297: if (--argc < 1)
298: goto bad;
299: CAkeyfile = *(++argv);
300: } else if (strcmp(*argv, "-CAserial") == 0) {
301: if (--argc < 1)
302: goto bad;
303: CAserial = *(++argv);
304: } else if (strcmp(*argv, "-set_serial") == 0) {
305: if (--argc < 1)
306: goto bad;
1.4 ! doug 307: M_ASN1_INTEGER_free(sno);
1.1 jsing 308: if (!(sno = s2i_ASN1_INTEGER(NULL, *(++argv))))
309: goto bad;
310: } else if (strcmp(*argv, "-addtrust") == 0) {
311: if (--argc < 1)
312: goto bad;
313: if (!(objtmp = OBJ_txt2obj(*(++argv), 0))) {
314: BIO_printf(bio_err,
315: "Invalid trust object value %s\n", *argv);
316: goto bad;
317: }
318: if (!trust)
319: trust = sk_ASN1_OBJECT_new_null();
320: sk_ASN1_OBJECT_push(trust, objtmp);
321: trustout = 1;
322: } else if (strcmp(*argv, "-addreject") == 0) {
323: if (--argc < 1)
324: goto bad;
325: if (!(objtmp = OBJ_txt2obj(*(++argv), 0))) {
326: BIO_printf(bio_err,
327: "Invalid reject object value %s\n", *argv);
328: goto bad;
329: }
330: if (!reject)
331: reject = sk_ASN1_OBJECT_new_null();
332: sk_ASN1_OBJECT_push(reject, objtmp);
333: trustout = 1;
334: } else if (strcmp(*argv, "-setalias") == 0) {
335: if (--argc < 1)
336: goto bad;
337: alias = *(++argv);
338: trustout = 1;
339: } else if (strcmp(*argv, "-certopt") == 0) {
340: if (--argc < 1)
341: goto bad;
342: if (!set_cert_ex(&certflag, *(++argv)))
343: goto bad;
344: } else if (strcmp(*argv, "-nameopt") == 0) {
345: if (--argc < 1)
346: goto bad;
347: if (!set_name_ex(&nmflag, *(++argv)))
348: goto bad;
349: }
350: #ifndef OPENSSL_NO_ENGINE
351: else if (strcmp(*argv, "-engine") == 0) {
352: if (--argc < 1)
353: goto bad;
354: engine = *(++argv);
355: }
356: #endif
357: else if (strcmp(*argv, "-C") == 0)
358: C = ++num;
359: else if (strcmp(*argv, "-email") == 0)
360: email = ++num;
361: else if (strcmp(*argv, "-ocsp_uri") == 0)
362: ocsp_uri = ++num;
363: else if (strcmp(*argv, "-serial") == 0)
364: serial = ++num;
365: else if (strcmp(*argv, "-next_serial") == 0)
366: next_serial = ++num;
367: else if (strcmp(*argv, "-modulus") == 0)
368: modulus = ++num;
369: else if (strcmp(*argv, "-pubkey") == 0)
370: pubkey = ++num;
371: else if (strcmp(*argv, "-x509toreq") == 0)
372: x509req = ++num;
373: else if (strcmp(*argv, "-text") == 0)
374: text = ++num;
375: else if (strcmp(*argv, "-hash") == 0 ||
376: strcmp(*argv, "-subject_hash") == 0)
377: subject_hash = ++num;
378: #ifndef OPENSSL_NO_MD5
379: else if (strcmp(*argv, "-subject_hash_old") == 0)
380: subject_hash_old = ++num;
381: #endif
382: else if (strcmp(*argv, "-issuer_hash") == 0)
383: issuer_hash = ++num;
384: #ifndef OPENSSL_NO_MD5
385: else if (strcmp(*argv, "-issuer_hash_old") == 0)
386: issuer_hash_old = ++num;
387: #endif
388: else if (strcmp(*argv, "-subject") == 0)
389: subject = ++num;
390: else if (strcmp(*argv, "-issuer") == 0)
391: issuer = ++num;
392: else if (strcmp(*argv, "-fingerprint") == 0)
393: fingerprint = ++num;
394: else if (strcmp(*argv, "-dates") == 0) {
395: startdate = ++num;
396: enddate = ++num;
397: } else if (strcmp(*argv, "-purpose") == 0)
398: pprint = ++num;
399: else if (strcmp(*argv, "-startdate") == 0)
400: startdate = ++num;
401: else if (strcmp(*argv, "-enddate") == 0)
402: enddate = ++num;
403: else if (strcmp(*argv, "-checkend") == 0) {
404: if (--argc < 1)
405: goto bad;
406: checkoffset = strtonum(*(++argv), 0, INT_MAX, &errstr);
407: if (errstr) {
408: BIO_printf(bio_err, "checkend unusable: %s\n", errstr);
409: goto bad;
410: }
411: checkend = 1;
412: } else if (strcmp(*argv, "-noout") == 0)
413: noout = ++num;
414: else if (strcmp(*argv, "-trustout") == 0)
415: trustout = 1;
416: else if (strcmp(*argv, "-clrtrust") == 0)
417: clrtrust = ++num;
418: else if (strcmp(*argv, "-clrreject") == 0)
419: clrreject = ++num;
420: else if (strcmp(*argv, "-alias") == 0)
421: aliasout = ++num;
422: else if (strcmp(*argv, "-CAcreateserial") == 0)
423: CA_createserial = ++num;
424: else if (strcmp(*argv, "-clrext") == 0)
425: clrext = 1;
426: else if (strcmp(*argv, "-ocspid") == 0)
427: ocspid = ++num;
428: else if ((md_alg = EVP_get_digestbyname(*argv + 1))) {
429: /* ok */
430: digest = md_alg;
431: } else {
432: BIO_printf(bio_err, "unknown option %s\n", *argv);
433: badops = 1;
434: break;
435: }
436: argc--;
437: argv++;
438: }
439:
440: if (badops) {
441: bad:
442: for (pp = x509_usage; (*pp != NULL); pp++)
443: BIO_printf(bio_err, "%s", *pp);
444: goto end;
445: }
446: #ifndef OPENSSL_NO_ENGINE
447: e = setup_engine(bio_err, engine, 0);
448: #endif
449:
450: if (!app_passwd(bio_err, passargin, NULL, &passin, NULL)) {
451: BIO_printf(bio_err, "Error getting password\n");
452: goto end;
453: }
454: if (!X509_STORE_set_default_paths(ctx)) {
455: ERR_print_errors(bio_err);
456: goto end;
457: }
458: if ((CAkeyfile == NULL) && (CA_flag) && (CAformat == FORMAT_PEM)) {
459: CAkeyfile = CAfile;
460: } else if ((CA_flag) && (CAkeyfile == NULL)) {
461: BIO_printf(bio_err,
462: "need to specify a CAkey if using the CA command\n");
463: goto end;
464: }
465: if (extfile) {
466: long errorline = -1;
467: X509V3_CTX ctx2;
468: extconf = NCONF_new(NULL);
469: if (!NCONF_load(extconf, extfile, &errorline)) {
470: if (errorline <= 0)
471: BIO_printf(bio_err,
472: "error loading the config file '%s'\n",
473: extfile);
474: else
475: BIO_printf(bio_err,
476: "error on line %ld of config file '%s'\n",
477: errorline, extfile);
478: goto end;
479: }
480: if (!extsect) {
481: extsect = NCONF_get_string(extconf, "default",
482: "extensions");
483: if (!extsect) {
484: ERR_clear_error();
485: extsect = "default";
486: }
487: }
488: X509V3_set_ctx_test(&ctx2);
489: X509V3_set_nconf(&ctx2, extconf);
490: if (!X509V3_EXT_add_nconf(extconf, &ctx2, extsect, NULL)) {
491: BIO_printf(bio_err,
492: "Error Loading extension section %s\n",
493: extsect);
494: ERR_print_errors(bio_err);
495: goto end;
496: }
497: }
498: if (reqfile) {
499: EVP_PKEY *pkey;
500: BIO *in;
501:
502: if (!sign_flag && !CA_flag) {
503: BIO_printf(bio_err, "We need a private key to sign with\n");
504: goto end;
505: }
506: in = BIO_new(BIO_s_file());
507: if (in == NULL) {
508: ERR_print_errors(bio_err);
509: goto end;
510: }
511: if (infile == NULL)
512: BIO_set_fp(in, stdin, BIO_NOCLOSE | BIO_FP_TEXT);
513: else {
514: if (BIO_read_filename(in, infile) <= 0) {
515: perror(infile);
516: BIO_free(in);
517: goto end;
518: }
519: }
520: req = PEM_read_bio_X509_REQ(in, NULL, NULL, NULL);
521: BIO_free(in);
522:
523: if (req == NULL) {
524: ERR_print_errors(bio_err);
525: goto end;
526: }
527: if ((req->req_info == NULL) ||
528: (req->req_info->pubkey == NULL) ||
529: (req->req_info->pubkey->public_key == NULL) ||
530: (req->req_info->pubkey->public_key->data == NULL)) {
531: BIO_printf(bio_err, "The certificate request appears to corrupted\n");
532: BIO_printf(bio_err, "It does not contain a public key\n");
533: goto end;
534: }
535: if ((pkey = X509_REQ_get_pubkey(req)) == NULL) {
536: BIO_printf(bio_err, "error unpacking public key\n");
537: goto end;
538: }
539: i = X509_REQ_verify(req, pkey);
540: EVP_PKEY_free(pkey);
541: if (i < 0) {
542: BIO_printf(bio_err, "Signature verification error\n");
543: ERR_print_errors(bio_err);
544: goto end;
545: }
546: if (i == 0) {
547: BIO_printf(bio_err, "Signature did not match the certificate request\n");
548: goto end;
549: } else
550: BIO_printf(bio_err, "Signature ok\n");
551:
552: print_name(bio_err, "subject=", X509_REQ_get_subject_name(req), nmflag);
553:
554: if ((x = X509_new()) == NULL)
555: goto end;
556:
557: if (sno == NULL) {
558: sno = ASN1_INTEGER_new();
559: if (!sno || !rand_serial(NULL, sno))
560: goto end;
561: if (!X509_set_serialNumber(x, sno))
562: goto end;
563: ASN1_INTEGER_free(sno);
564: sno = NULL;
565: } else if (!X509_set_serialNumber(x, sno))
566: goto end;
567:
568: if (!X509_set_issuer_name(x, req->req_info->subject))
569: goto end;
570: if (!X509_set_subject_name(x, req->req_info->subject))
571: goto end;
572:
573: X509_gmtime_adj(X509_get_notBefore(x), 0);
574: X509_time_adj_ex(X509_get_notAfter(x), days, 0, NULL);
575:
576: pkey = X509_REQ_get_pubkey(req);
577: X509_set_pubkey(x, pkey);
578: EVP_PKEY_free(pkey);
579: } else
580: x = load_cert(bio_err, infile, informat, NULL, e, "Certificate");
581:
582: if (x == NULL)
583: goto end;
584: if (CA_flag) {
585: xca = load_cert(bio_err, CAfile, CAformat, NULL, e, "CA Certificate");
586: if (xca == NULL)
587: goto end;
588: }
589: if (!noout || text || next_serial) {
590: OBJ_create("2.99999.3",
591: "SET.ex3", "SET x509v3 extension 3");
592:
593: out = BIO_new(BIO_s_file());
594: if (out == NULL) {
595: ERR_print_errors(bio_err);
596: goto end;
597: }
598: if (outfile == NULL) {
599: BIO_set_fp(out, stdout, BIO_NOCLOSE);
600: } else {
601: if (BIO_write_filename(out, outfile) <= 0) {
602: perror(outfile);
603: goto end;
604: }
605: }
606: }
607: if (alias)
608: X509_alias_set1(x, (unsigned char *) alias, -1);
609:
610: if (clrtrust)
611: X509_trust_clear(x);
612: if (clrreject)
613: X509_reject_clear(x);
614:
615: if (trust) {
616: for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++) {
617: objtmp = sk_ASN1_OBJECT_value(trust, i);
618: X509_add1_trust_object(x, objtmp);
619: }
620: }
621: if (reject) {
622: for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++) {
623: objtmp = sk_ASN1_OBJECT_value(reject, i);
624: X509_add1_reject_object(x, objtmp);
625: }
626: }
627: if (num) {
628: for (i = 1; i <= num; i++) {
629: if (issuer == i) {
630: print_name(STDout, "issuer= ",
631: X509_get_issuer_name(x), nmflag);
632: } else if (subject == i) {
633: print_name(STDout, "subject= ",
634: X509_get_subject_name(x), nmflag);
635: } else if (serial == i) {
636: BIO_printf(STDout, "serial=");
637: i2a_ASN1_INTEGER(STDout,
638: X509_get_serialNumber(x));
639: BIO_printf(STDout, "\n");
640: } else if (next_serial == i) {
641: BIGNUM *bnser;
642: ASN1_INTEGER *ser;
643: ser = X509_get_serialNumber(x);
644: bnser = ASN1_INTEGER_to_BN(ser, NULL);
645: if (!bnser)
646: goto end;
647: if (!BN_add_word(bnser, 1))
648: goto end;
649: ser = BN_to_ASN1_INTEGER(bnser, NULL);
650: if (!ser)
651: goto end;
652: BN_free(bnser);
653: i2a_ASN1_INTEGER(out, ser);
654: ASN1_INTEGER_free(ser);
655: BIO_puts(out, "\n");
656: } else if ((email == i) || (ocsp_uri == i)) {
657: int j;
658: STACK_OF(OPENSSL_STRING) *emlst;
659: if (email == i)
660: emlst = X509_get1_email(x);
661: else
662: emlst = X509_get1_ocsp(x);
663: for (j = 0; j < sk_OPENSSL_STRING_num(emlst); j++)
664: BIO_printf(STDout, "%s\n",
665: sk_OPENSSL_STRING_value(emlst, j));
666: X509_email_free(emlst);
667: } else if (aliasout == i) {
668: unsigned char *alstr;
669: alstr = X509_alias_get0(x, NULL);
670: if (alstr)
671: BIO_printf(STDout, "%s\n", alstr);
672: else
673: BIO_puts(STDout, "<No Alias>\n");
674: } else if (subject_hash == i) {
675: BIO_printf(STDout, "%08lx\n", X509_subject_name_hash(x));
676: }
677: #ifndef OPENSSL_NO_MD5
678: else if (subject_hash_old == i) {
679: BIO_printf(STDout, "%08lx\n", X509_subject_name_hash_old(x));
680: }
681: #endif
682: else if (issuer_hash == i) {
683: BIO_printf(STDout, "%08lx\n", X509_issuer_name_hash(x));
684: }
685: #ifndef OPENSSL_NO_MD5
686: else if (issuer_hash_old == i) {
687: BIO_printf(STDout, "%08lx\n", X509_issuer_name_hash_old(x));
688: }
689: #endif
690: else if (pprint == i) {
691: X509_PURPOSE *ptmp;
692: int j;
693: BIO_printf(STDout, "Certificate purposes:\n");
694: for (j = 0; j < X509_PURPOSE_get_count(); j++) {
695: ptmp = X509_PURPOSE_get0(j);
696: purpose_print(STDout, x, ptmp);
697: }
698: } else if (modulus == i) {
699: EVP_PKEY *pkey;
700:
701: pkey = X509_get_pubkey(x);
702: if (pkey == NULL) {
703: BIO_printf(bio_err, "Modulus=unavailable\n");
704: ERR_print_errors(bio_err);
705: goto end;
706: }
707: BIO_printf(STDout, "Modulus=");
708: if (pkey->type == EVP_PKEY_RSA)
709: BN_print(STDout, pkey->pkey.rsa->n);
710: else
711: if (pkey->type == EVP_PKEY_DSA)
712: BN_print(STDout, pkey->pkey.dsa->pub_key);
713: else
714: BIO_printf(STDout, "Wrong Algorithm type");
715: BIO_printf(STDout, "\n");
716: EVP_PKEY_free(pkey);
717: } else if (pubkey == i) {
718: EVP_PKEY *pkey;
719:
720: pkey = X509_get_pubkey(x);
721: if (pkey == NULL) {
722: BIO_printf(bio_err, "Error getting public key\n");
723: ERR_print_errors(bio_err);
724: goto end;
725: }
726: PEM_write_bio_PUBKEY(STDout, pkey);
727: EVP_PKEY_free(pkey);
728: } else if (C == i) {
729: unsigned char *d;
730: char *m;
731: int y, z;
732:
733: X509_NAME_oneline(X509_get_subject_name(x),
734: buf, sizeof buf);
735: BIO_printf(STDout, "/* subject:%s */\n", buf);
736: m = X509_NAME_oneline(
737: X509_get_issuer_name(x), buf,
738: sizeof buf);
739: BIO_printf(STDout, "/* issuer :%s */\n", buf);
740:
741: z = i2d_X509(x, NULL);
742: m = malloc(z);
743:
744: d = (unsigned char *) m;
745: z = i2d_X509_NAME(X509_get_subject_name(x), &d);
746: BIO_printf(STDout, "unsigned char XXX_subject_name[%d]={\n", z);
747: d = (unsigned char *) m;
748: for (y = 0; y < z; y++) {
749: BIO_printf(STDout, "0x%02X,", d[y]);
750: if ((y & 0x0f) == 0x0f)
751: BIO_printf(STDout, "\n");
752: }
753: if (y % 16 != 0)
754: BIO_printf(STDout, "\n");
755: BIO_printf(STDout, "};\n");
756:
757: z = i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x), &d);
758: BIO_printf(STDout, "unsigned char XXX_public_key[%d]={\n", z);
759: d = (unsigned char *) m;
760: for (y = 0; y < z; y++) {
761: BIO_printf(STDout, "0x%02X,", d[y]);
762: if ((y & 0x0f) == 0x0f)
763: BIO_printf(STDout, "\n");
764: }
765: if (y % 16 != 0)
766: BIO_printf(STDout, "\n");
767: BIO_printf(STDout, "};\n");
768:
769: z = i2d_X509(x, &d);
770: BIO_printf(STDout, "unsigned char XXX_certificate[%d]={\n", z);
771: d = (unsigned char *) m;
772: for (y = 0; y < z; y++) {
773: BIO_printf(STDout, "0x%02X,", d[y]);
774: if ((y & 0x0f) == 0x0f)
775: BIO_printf(STDout, "\n");
776: }
777: if (y % 16 != 0)
778: BIO_printf(STDout, "\n");
779: BIO_printf(STDout, "};\n");
780:
781: free(m);
782: } else if (text == i) {
783: X509_print_ex(STDout, x, nmflag, certflag);
784: } else if (startdate == i) {
785: BIO_puts(STDout, "notBefore=");
786: ASN1_TIME_print(STDout, X509_get_notBefore(x));
787: BIO_puts(STDout, "\n");
788: } else if (enddate == i) {
789: BIO_puts(STDout, "notAfter=");
790: ASN1_TIME_print(STDout, X509_get_notAfter(x));
791: BIO_puts(STDout, "\n");
792: } else if (fingerprint == i) {
793: int j;
794: unsigned int n;
795: unsigned char md[EVP_MAX_MD_SIZE];
796: const EVP_MD *fdig = digest;
797:
798: if (!fdig)
799: fdig = EVP_sha1();
800:
801: if (!X509_digest(x, fdig, md, &n)) {
802: BIO_printf(bio_err, "out of memory\n");
803: goto end;
804: }
805: BIO_printf(STDout, "%s Fingerprint=",
806: OBJ_nid2sn(EVP_MD_type(fdig)));
807: for (j = 0; j < (int) n; j++) {
808: BIO_printf(STDout, "%02X%c", md[j],
809: (j + 1 == (int)n) ? '\n' : ':');
810: }
811: }
812: /* should be in the library */
813: else if ((sign_flag == i) && (x509req == 0)) {
814: BIO_printf(bio_err, "Getting Private key\n");
815: if (Upkey == NULL) {
816: Upkey = load_key(bio_err,
817: keyfile, keyformat, 0,
818: passin, e, "Private key");
819: if (Upkey == NULL)
820: goto end;
821: }
822: if (!sign(x, Upkey, days, clrext, digest,
823: extconf, extsect))
824: goto end;
825: } else if (CA_flag == i) {
826: BIO_printf(bio_err, "Getting CA Private Key\n");
827: if (CAkeyfile != NULL) {
828: CApkey = load_key(bio_err,
829: CAkeyfile, CAkeyformat,
830: 0, passin, e,
831: "CA Private Key");
832: if (CApkey == NULL)
833: goto end;
834: }
835: if (!x509_certify(ctx, CAfile, digest, x, xca,
836: CApkey, sigopts,
837: CAserial, CA_createserial, days, clrext,
838: extconf, extsect, sno))
839: goto end;
840: } else if (x509req == i) {
841: EVP_PKEY *pk;
842:
843: BIO_printf(bio_err, "Getting request Private Key\n");
844: if (keyfile == NULL) {
845: BIO_printf(bio_err, "no request key file specified\n");
846: goto end;
847: } else {
848: pk = load_key(bio_err,
849: keyfile, keyformat, 0,
850: passin, e, "request key");
851: if (pk == NULL)
852: goto end;
853: }
854:
855: BIO_printf(bio_err, "Generating certificate request\n");
856:
857: rq = X509_to_X509_REQ(x, pk, digest);
858: EVP_PKEY_free(pk);
859: if (rq == NULL) {
860: ERR_print_errors(bio_err);
861: goto end;
862: }
863: if (!noout) {
864: X509_REQ_print(out, rq);
865: PEM_write_bio_X509_REQ(out, rq);
866: }
867: noout = 1;
868: } else if (ocspid == i) {
869: X509_ocspid_print(out, x);
870: }
871: }
872: }
873: if (checkend) {
874: time_t tcheck = time(NULL) + checkoffset;
875:
876: if (X509_cmp_time(X509_get_notAfter(x), &tcheck) < 0) {
877: BIO_printf(out, "Certificate will expire\n");
878: ret = 1;
879: } else {
880: BIO_printf(out, "Certificate will not expire\n");
881: ret = 0;
882: }
883: goto end;
884: }
885: if (noout) {
886: ret = 0;
887: goto end;
888: }
889: if (outformat == FORMAT_ASN1)
890: i = i2d_X509_bio(out, x);
891: else if (outformat == FORMAT_PEM) {
892: if (trustout)
893: i = PEM_write_bio_X509_AUX(out, x);
894: else
895: i = PEM_write_bio_X509(out, x);
896: } else if (outformat == FORMAT_NETSCAPE) {
897: NETSCAPE_X509 nx;
898: ASN1_OCTET_STRING hdr;
899:
900: hdr.data = (unsigned char *) NETSCAPE_CERT_HDR;
901: hdr.length = strlen(NETSCAPE_CERT_HDR);
902: nx.header = &hdr;
903: nx.cert = x;
904:
905: i = ASN1_item_i2d_bio(ASN1_ITEM_rptr(NETSCAPE_X509), out, &nx);
906: } else {
907: BIO_printf(bio_err, "bad output format specified for outfile\n");
908: goto end;
909: }
910: if (!i) {
911: BIO_printf(bio_err, "unable to write certificate\n");
912: ERR_print_errors(bio_err);
913: goto end;
914: }
915: ret = 0;
916:
917: end:
918: OBJ_cleanup();
919: NCONF_free(extconf);
920: BIO_free_all(out);
921: BIO_free_all(STDout);
922: X509_STORE_free(ctx);
923: X509_REQ_free(req);
924: X509_free(x);
925: X509_free(xca);
926: EVP_PKEY_free(Upkey);
927: EVP_PKEY_free(CApkey);
928: if (sigopts)
929: sk_OPENSSL_STRING_free(sigopts);
930: X509_REQ_free(rq);
931: ASN1_INTEGER_free(sno);
932: sk_ASN1_OBJECT_pop_free(trust, ASN1_OBJECT_free);
933: sk_ASN1_OBJECT_pop_free(reject, ASN1_OBJECT_free);
934: free(passin);
935:
936: return (ret);
937: }
938:
939: static ASN1_INTEGER *
940: x509_load_serial(char *CAfile, char *serialfile, int create)
941: {
942: char *buf = NULL, *p;
943: ASN1_INTEGER *bs = NULL;
944: BIGNUM *serial = NULL;
945: size_t len;
946:
947: len = ((serialfile == NULL) ? (strlen(CAfile) + strlen(POSTFIX) + 1) :
948: (strlen(serialfile))) + 1;
949: buf = malloc(len);
950: if (buf == NULL) {
951: BIO_printf(bio_err, "out of mem\n");
952: goto end;
953: }
954: if (serialfile == NULL) {
955: strlcpy(buf, CAfile, len);
956: for (p = buf; *p; p++)
957: if (*p == '.') {
958: *p = '\0';
959: break;
960: }
961: strlcat(buf, POSTFIX, len);
962: } else
963: strlcpy(buf, serialfile, len);
964:
965: serial = load_serial(buf, create, NULL);
966: if (serial == NULL)
967: goto end;
968:
969: if (!BN_add_word(serial, 1)) {
970: BIO_printf(bio_err, "add_word failure\n");
971: goto end;
972: }
973: if (!save_serial(buf, NULL, serial, &bs))
974: goto end;
975:
976: end:
977: free(buf);
978: BN_free(serial);
979:
980: return bs;
981: }
982:
983: static int
984: x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest, X509 *x,
985: X509 *xca, EVP_PKEY *pkey, STACK_OF(OPENSSL_STRING) *sigopts,
986: char *serialfile, int create, int days, int clrext, CONF *conf,
987: char *section, ASN1_INTEGER *sno)
988: {
989: int ret = 0;
990: ASN1_INTEGER *bs = NULL;
991: X509_STORE_CTX xsc;
992: EVP_PKEY *upkey;
993:
994: upkey = X509_get_pubkey(xca);
995: EVP_PKEY_copy_parameters(upkey, pkey);
996: EVP_PKEY_free(upkey);
997:
998: if (!X509_STORE_CTX_init(&xsc, ctx, x, NULL)) {
999: BIO_printf(bio_err, "Error initialising X509 store\n");
1000: goto end;
1001: }
1002: if (sno)
1003: bs = sno;
1004: else if (!(bs = x509_load_serial(CAfile, serialfile, create)))
1005: goto end;
1006:
1007: /* if (!X509_STORE_add_cert(ctx,x)) goto end;*/
1008:
1009: /*
1010: * NOTE: this certificate can/should be self signed, unless it was a
1011: * certificate request in which case it is not.
1012: */
1013: X509_STORE_CTX_set_cert(&xsc, x);
1014: X509_STORE_CTX_set_flags(&xsc, X509_V_FLAG_CHECK_SS_SIGNATURE);
1015: if (!reqfile && X509_verify_cert(&xsc) <= 0)
1016: goto end;
1017:
1018: if (!X509_check_private_key(xca, pkey)) {
1019: BIO_printf(bio_err, "CA certificate and CA private key do not match\n");
1020: goto end;
1021: }
1022: if (!X509_set_issuer_name(x, X509_get_subject_name(xca)))
1023: goto end;
1024: if (!X509_set_serialNumber(x, bs))
1025: goto end;
1026:
1027: if (X509_gmtime_adj(X509_get_notBefore(x), 0L) == NULL)
1028: goto end;
1029:
1030: /* hardwired expired */
1031: if (X509_time_adj_ex(X509_get_notAfter(x), days, 0, NULL) == NULL)
1032: goto end;
1033:
1034: if (clrext) {
1035: while (X509_get_ext_count(x) > 0)
1036: X509_delete_ext(x, 0);
1037: }
1038: if (conf) {
1039: X509V3_CTX ctx2;
1040: X509_set_version(x, 2); /* version 3 certificate */
1041: X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);
1042: X509V3_set_nconf(&ctx2, conf);
1043: if (!X509V3_EXT_add_nconf(conf, &ctx2, section, x))
1044: goto end;
1045: }
1046: if (!do_X509_sign(bio_err, x, pkey, digest, sigopts))
1047: goto end;
1048: ret = 1;
1049: end:
1050: X509_STORE_CTX_cleanup(&xsc);
1051: if (!ret)
1052: ERR_print_errors(bio_err);
1053: if (!sno)
1054: ASN1_INTEGER_free(bs);
1055: return ret;
1056: }
1057:
1058: static int
1059: callb(int ok, X509_STORE_CTX *ctx)
1060: {
1061: int err;
1062: X509 *err_cert;
1063:
1064: /*
1065: * it is ok to use a self signed certificate This case will catch
1066: * both the initial ok == 0 and the final ok == 1 calls to this
1067: * function
1068: */
1069: err = X509_STORE_CTX_get_error(ctx);
1070: if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
1071: return 1;
1072:
1073: /*
1074: * BAD we should have gotten an error. Normally if everything worked
1075: * X509_STORE_CTX_get_error(ctx) will still be set to
1076: * DEPTH_ZERO_SELF_....
1077: */
1078: if (ok) {
1079: BIO_printf(bio_err, "error with certificate to be certified - should be self signed\n");
1080: return 0;
1081: } else {
1082: err_cert = X509_STORE_CTX_get_current_cert(ctx);
1083: print_name(bio_err, NULL, X509_get_subject_name(err_cert), 0);
1084: BIO_printf(bio_err, "error with certificate - error %d at depth %d\n%s\n",
1085: err, X509_STORE_CTX_get_error_depth(ctx),
1086: X509_verify_cert_error_string(err));
1087: return 1;
1088: }
1089: }
1090:
1091: /* self sign */
1092: static int
1093: sign(X509 *x, EVP_PKEY *pkey, int days, int clrext, const EVP_MD *digest,
1094: CONF *conf, char *section)
1095: {
1096:
1097: EVP_PKEY *pktmp;
1098:
1099: pktmp = X509_get_pubkey(x);
1100: EVP_PKEY_copy_parameters(pktmp, pkey);
1101: EVP_PKEY_save_parameters(pktmp, 1);
1102: EVP_PKEY_free(pktmp);
1103:
1104: if (!X509_set_issuer_name(x, X509_get_subject_name(x)))
1105: goto err;
1106: if (X509_gmtime_adj(X509_get_notBefore(x), 0) == NULL)
1107: goto err;
1108:
1109: /* Lets just make it 12:00am GMT, Jan 1 1970 */
1110: /* memcpy(x->cert_info->validity->notBefore,"700101120000Z",13); */
1111: /* 28 days to be certified */
1112:
1113: if (X509_gmtime_adj(X509_get_notAfter(x),
1114: (long) 60 * 60 * 24 * days) == NULL)
1115: goto err;
1116:
1117: if (!X509_set_pubkey(x, pkey))
1118: goto err;
1119: if (clrext) {
1120: while (X509_get_ext_count(x) > 0)
1121: X509_delete_ext(x, 0);
1122: }
1123: if (conf) {
1124: X509V3_CTX ctx;
1125: X509_set_version(x, 2); /* version 3 certificate */
1126: X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0);
1127: X509V3_set_nconf(&ctx, conf);
1128: if (!X509V3_EXT_add_nconf(conf, &ctx, section, x))
1129: goto err;
1130: }
1131: if (!X509_sign(x, pkey, digest))
1132: goto err;
1133: return 1;
1134:
1135: err:
1136: ERR_print_errors(bio_err);
1137: return 0;
1138: }
1139:
1140: static int
1141: purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt)
1142: {
1143: int id, i, idret;
1144: char *pname;
1145:
1146: id = X509_PURPOSE_get_id(pt);
1147: pname = X509_PURPOSE_get0_name(pt);
1148: for (i = 0; i < 2; i++) {
1149: idret = X509_check_purpose(cert, id, i);
1150: BIO_printf(bio, "%s%s : ", pname, i ? " CA" : "");
1151: if (idret == 1)
1152: BIO_printf(bio, "Yes\n");
1153: else if (idret == 0)
1154: BIO_printf(bio, "No\n");
1155: else
1156: BIO_printf(bio, "Yes (WARNING code=%d)\n", idret);
1157: }
1158: return 1;
1159: }