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1.11 ! semarie 1: /* $OpenBSD: x509.c,v 1.10 2015/10/10 22:28:51 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",
1.7 bcook 138: " -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: " -certopt arg - various certificate text options\n",
144: NULL
145: };
146:
147: static int callb(int ok, X509_STORE_CTX *ctx);
148: static int sign(X509 *x, EVP_PKEY *pkey, int days, int clrext,
149: const EVP_MD *digest, CONF *conf, char *section);
150: static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
151: X509 *x, X509 *xca, EVP_PKEY *pkey, STACK_OF(OPENSSL_STRING) *sigopts,
152: char *serial, int create, int days, int clrext, CONF *conf, char *section,
153: ASN1_INTEGER *sno);
154: static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt);
155: static int reqfile = 0;
156:
157: int
158: x509_main(int argc, char **argv)
159: {
160: int ret = 1;
161: X509_REQ *req = NULL;
162: X509 *x = NULL, *xca = NULL;
163: ASN1_OBJECT *objtmp;
164: STACK_OF(OPENSSL_STRING) *sigopts = NULL;
165: EVP_PKEY *Upkey = NULL, *CApkey = NULL;
166: ASN1_INTEGER *sno = NULL;
167: int i, num, badops = 0;
168: BIO *out = NULL;
169: BIO *STDout = NULL;
170: STACK_OF(ASN1_OBJECT) *trust = NULL, *reject = NULL;
171: int informat, outformat, keyformat, CAformat, CAkeyformat;
172: char *infile = NULL, *outfile = NULL, *keyfile = NULL, *CAfile = NULL;
173: char *CAkeyfile = NULL, *CAserial = NULL;
174: char *alias = NULL;
175: int text = 0, serial = 0, subject = 0, issuer = 0, startdate = 0,
176: enddate = 0;
177: int next_serial = 0;
178: int subject_hash = 0, issuer_hash = 0, ocspid = 0;
179: #ifndef OPENSSL_NO_MD5
180: int subject_hash_old = 0, issuer_hash_old = 0;
181: #endif
182: int noout = 0, sign_flag = 0, CA_flag = 0, CA_createserial = 0,
183: email = 0;
184: int ocsp_uri = 0;
185: int trustout = 0, clrtrust = 0, clrreject = 0, aliasout = 0, clrext = 0;
186: int C = 0;
187: int x509req = 0, days = DEF_DAYS, modulus = 0, pubkey = 0;
188: int pprint = 0;
189: const char **pp;
190: X509_STORE *ctx = NULL;
191: X509_REQ *rq = NULL;
192: int fingerprint = 0;
193: char buf[256];
194: const EVP_MD *md_alg, *digest = NULL;
195: CONF *extconf = NULL;
196: char *extsect = NULL, *extfile = NULL, *passin = NULL, *passargin = NULL;
197: int checkend = 0, checkoffset = 0;
198: unsigned long nmflag = 0, certflag = 0;
199: const char *errstr = NULL;
1.10 doug 200:
201: if (single_execution) {
1.11 ! semarie 202: if (pledge("stdio rpath wpath cpath tty", NULL) == -1)
1.10 doug 203: perror("pledge");
204: }
1.1 jsing 205:
206: reqfile = 0;
207:
208: STDout = BIO_new_fp(stdout, BIO_NOCLOSE);
209:
210: informat = FORMAT_PEM;
211: outformat = FORMAT_PEM;
212: keyformat = FORMAT_PEM;
213: CAformat = FORMAT_PEM;
214: CAkeyformat = FORMAT_PEM;
215:
216: ctx = X509_STORE_new();
217: if (ctx == NULL)
218: goto end;
219: X509_STORE_set_verify_cb(ctx, callb);
220:
221: argc--;
222: argv++;
223: num = 0;
224: while (argc >= 1) {
225: if (strcmp(*argv, "-inform") == 0) {
226: if (--argc < 1)
227: goto bad;
228: informat = str2fmt(*(++argv));
229: } else if (strcmp(*argv, "-outform") == 0) {
230: if (--argc < 1)
231: goto bad;
232: outformat = str2fmt(*(++argv));
233: } else if (strcmp(*argv, "-keyform") == 0) {
234: if (--argc < 1)
235: goto bad;
236: keyformat = str2fmt(*(++argv));
237: } else if (strcmp(*argv, "-req") == 0) {
238: reqfile = 1;
239: } else if (strcmp(*argv, "-CAform") == 0) {
240: if (--argc < 1)
241: goto bad;
242: CAformat = str2fmt(*(++argv));
243: } else if (strcmp(*argv, "-CAkeyform") == 0) {
244: if (--argc < 1)
245: goto bad;
246: CAkeyformat = str2fmt(*(++argv));
247: } else if (strcmp(*argv, "-sigopt") == 0) {
248: if (--argc < 1)
249: goto bad;
250: if (!sigopts)
251: sigopts = sk_OPENSSL_STRING_new_null();
252: if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, *(++argv)))
253: goto bad;
254: } else if (strcmp(*argv, "-days") == 0) {
255: if (--argc < 1)
256: goto bad;
257: days = strtonum(*(++argv), 1, INT_MAX, &errstr);
258: if (errstr) {
259: BIO_printf(bio_err, "bad number of days: %s\n", errstr);
260: goto bad;
261: }
262: } else if (strcmp(*argv, "-passin") == 0) {
263: if (--argc < 1)
264: goto bad;
265: passargin = *(++argv);
266: } else if (strcmp(*argv, "-extfile") == 0) {
267: if (--argc < 1)
268: goto bad;
269: extfile = *(++argv);
270: } else if (strcmp(*argv, "-extensions") == 0) {
271: if (--argc < 1)
272: goto bad;
273: extsect = *(++argv);
274: } else if (strcmp(*argv, "-in") == 0) {
275: if (--argc < 1)
276: goto bad;
277: infile = *(++argv);
278: } else if (strcmp(*argv, "-out") == 0) {
279: if (--argc < 1)
280: goto bad;
281: outfile = *(++argv);
282: } else if (strcmp(*argv, "-signkey") == 0) {
283: if (--argc < 1)
284: goto bad;
285: keyfile = *(++argv);
286: sign_flag = ++num;
287: } else if (strcmp(*argv, "-CA") == 0) {
288: if (--argc < 1)
289: goto bad;
290: CAfile = *(++argv);
291: CA_flag = ++num;
292: } else if (strcmp(*argv, "-CAkey") == 0) {
293: if (--argc < 1)
294: goto bad;
295: CAkeyfile = *(++argv);
296: } else if (strcmp(*argv, "-CAserial") == 0) {
297: if (--argc < 1)
298: goto bad;
299: CAserial = *(++argv);
300: } else if (strcmp(*argv, "-set_serial") == 0) {
301: if (--argc < 1)
302: goto bad;
1.9 jsing 303: ASN1_INTEGER_free(sno);
1.1 jsing 304: if (!(sno = s2i_ASN1_INTEGER(NULL, *(++argv))))
305: goto bad;
306: } else if (strcmp(*argv, "-addtrust") == 0) {
307: if (--argc < 1)
308: goto bad;
309: if (!(objtmp = OBJ_txt2obj(*(++argv), 0))) {
310: BIO_printf(bio_err,
311: "Invalid trust object value %s\n", *argv);
312: goto bad;
313: }
314: if (!trust)
315: trust = sk_ASN1_OBJECT_new_null();
316: sk_ASN1_OBJECT_push(trust, objtmp);
317: trustout = 1;
318: } else if (strcmp(*argv, "-addreject") == 0) {
319: if (--argc < 1)
320: goto bad;
321: if (!(objtmp = OBJ_txt2obj(*(++argv), 0))) {
322: BIO_printf(bio_err,
323: "Invalid reject object value %s\n", *argv);
324: goto bad;
325: }
326: if (!reject)
327: reject = sk_ASN1_OBJECT_new_null();
328: sk_ASN1_OBJECT_push(reject, objtmp);
329: trustout = 1;
330: } else if (strcmp(*argv, "-setalias") == 0) {
331: if (--argc < 1)
332: goto bad;
333: alias = *(++argv);
334: trustout = 1;
335: } else if (strcmp(*argv, "-certopt") == 0) {
336: if (--argc < 1)
337: goto bad;
338: if (!set_cert_ex(&certflag, *(++argv)))
339: goto bad;
340: } else if (strcmp(*argv, "-nameopt") == 0) {
341: if (--argc < 1)
342: goto bad;
343: if (!set_name_ex(&nmflag, *(++argv)))
344: goto bad;
345: }
346: else if (strcmp(*argv, "-C") == 0)
347: C = ++num;
348: else if (strcmp(*argv, "-email") == 0)
349: email = ++num;
350: else if (strcmp(*argv, "-ocsp_uri") == 0)
351: ocsp_uri = ++num;
352: else if (strcmp(*argv, "-serial") == 0)
353: serial = ++num;
354: else if (strcmp(*argv, "-next_serial") == 0)
355: next_serial = ++num;
356: else if (strcmp(*argv, "-modulus") == 0)
357: modulus = ++num;
358: else if (strcmp(*argv, "-pubkey") == 0)
359: pubkey = ++num;
360: else if (strcmp(*argv, "-x509toreq") == 0)
361: x509req = ++num;
362: else if (strcmp(*argv, "-text") == 0)
363: text = ++num;
364: else if (strcmp(*argv, "-hash") == 0 ||
365: strcmp(*argv, "-subject_hash") == 0)
366: subject_hash = ++num;
367: #ifndef OPENSSL_NO_MD5
368: else if (strcmp(*argv, "-subject_hash_old") == 0)
369: subject_hash_old = ++num;
370: #endif
371: else if (strcmp(*argv, "-issuer_hash") == 0)
372: issuer_hash = ++num;
373: #ifndef OPENSSL_NO_MD5
374: else if (strcmp(*argv, "-issuer_hash_old") == 0)
375: issuer_hash_old = ++num;
376: #endif
377: else if (strcmp(*argv, "-subject") == 0)
378: subject = ++num;
379: else if (strcmp(*argv, "-issuer") == 0)
380: issuer = ++num;
381: else if (strcmp(*argv, "-fingerprint") == 0)
382: fingerprint = ++num;
383: else if (strcmp(*argv, "-dates") == 0) {
384: startdate = ++num;
385: enddate = ++num;
386: } else if (strcmp(*argv, "-purpose") == 0)
387: pprint = ++num;
388: else if (strcmp(*argv, "-startdate") == 0)
389: startdate = ++num;
390: else if (strcmp(*argv, "-enddate") == 0)
391: enddate = ++num;
392: else if (strcmp(*argv, "-checkend") == 0) {
393: if (--argc < 1)
394: goto bad;
395: checkoffset = strtonum(*(++argv), 0, INT_MAX, &errstr);
396: if (errstr) {
397: BIO_printf(bio_err, "checkend unusable: %s\n", errstr);
398: goto bad;
399: }
400: checkend = 1;
401: } else if (strcmp(*argv, "-noout") == 0)
402: noout = ++num;
403: else if (strcmp(*argv, "-trustout") == 0)
404: trustout = 1;
405: else if (strcmp(*argv, "-clrtrust") == 0)
406: clrtrust = ++num;
407: else if (strcmp(*argv, "-clrreject") == 0)
408: clrreject = ++num;
409: else if (strcmp(*argv, "-alias") == 0)
410: aliasout = ++num;
411: else if (strcmp(*argv, "-CAcreateserial") == 0)
412: CA_createserial = ++num;
413: else if (strcmp(*argv, "-clrext") == 0)
414: clrext = 1;
415: else if (strcmp(*argv, "-ocspid") == 0)
416: ocspid = ++num;
417: else if ((md_alg = EVP_get_digestbyname(*argv + 1))) {
418: /* ok */
419: digest = md_alg;
420: } else {
421: BIO_printf(bio_err, "unknown option %s\n", *argv);
422: badops = 1;
423: break;
424: }
425: argc--;
426: argv++;
427: }
428:
429: if (badops) {
430: bad:
431: for (pp = x509_usage; (*pp != NULL); pp++)
432: BIO_printf(bio_err, "%s", *pp);
433: goto end;
434: }
435:
436: if (!app_passwd(bio_err, passargin, NULL, &passin, NULL)) {
437: BIO_printf(bio_err, "Error getting password\n");
438: goto end;
439: }
440: if (!X509_STORE_set_default_paths(ctx)) {
441: ERR_print_errors(bio_err);
442: goto end;
443: }
444: if ((CAkeyfile == NULL) && (CA_flag) && (CAformat == FORMAT_PEM)) {
445: CAkeyfile = CAfile;
446: } else if ((CA_flag) && (CAkeyfile == NULL)) {
447: BIO_printf(bio_err,
448: "need to specify a CAkey if using the CA command\n");
449: goto end;
450: }
451: if (extfile) {
452: long errorline = -1;
453: X509V3_CTX ctx2;
454: extconf = NCONF_new(NULL);
455: if (!NCONF_load(extconf, extfile, &errorline)) {
456: if (errorline <= 0)
457: BIO_printf(bio_err,
458: "error loading the config file '%s'\n",
459: extfile);
460: else
461: BIO_printf(bio_err,
462: "error on line %ld of config file '%s'\n",
463: errorline, extfile);
464: goto end;
465: }
466: if (!extsect) {
467: extsect = NCONF_get_string(extconf, "default",
468: "extensions");
469: if (!extsect) {
470: ERR_clear_error();
471: extsect = "default";
472: }
473: }
474: X509V3_set_ctx_test(&ctx2);
475: X509V3_set_nconf(&ctx2, extconf);
476: if (!X509V3_EXT_add_nconf(extconf, &ctx2, extsect, NULL)) {
477: BIO_printf(bio_err,
478: "Error Loading extension section %s\n",
479: extsect);
480: ERR_print_errors(bio_err);
481: goto end;
482: }
483: }
484: if (reqfile) {
485: EVP_PKEY *pkey;
486: BIO *in;
487:
488: if (!sign_flag && !CA_flag) {
489: BIO_printf(bio_err, "We need a private key to sign with\n");
490: goto end;
491: }
492: in = BIO_new(BIO_s_file());
493: if (in == NULL) {
494: ERR_print_errors(bio_err);
495: goto end;
496: }
497: if (infile == NULL)
498: BIO_set_fp(in, stdin, BIO_NOCLOSE | BIO_FP_TEXT);
499: else {
500: if (BIO_read_filename(in, infile) <= 0) {
501: perror(infile);
502: BIO_free(in);
503: goto end;
504: }
505: }
506: req = PEM_read_bio_X509_REQ(in, NULL, NULL, NULL);
507: BIO_free(in);
508:
509: if (req == NULL) {
510: ERR_print_errors(bio_err);
511: goto end;
512: }
513: if ((req->req_info == NULL) ||
514: (req->req_info->pubkey == NULL) ||
515: (req->req_info->pubkey->public_key == NULL) ||
516: (req->req_info->pubkey->public_key->data == NULL)) {
517: BIO_printf(bio_err, "The certificate request appears to corrupted\n");
518: BIO_printf(bio_err, "It does not contain a public key\n");
519: goto end;
520: }
521: if ((pkey = X509_REQ_get_pubkey(req)) == NULL) {
522: BIO_printf(bio_err, "error unpacking public key\n");
523: goto end;
524: }
525: i = X509_REQ_verify(req, pkey);
526: EVP_PKEY_free(pkey);
527: if (i < 0) {
528: BIO_printf(bio_err, "Signature verification error\n");
529: ERR_print_errors(bio_err);
530: goto end;
531: }
532: if (i == 0) {
533: BIO_printf(bio_err, "Signature did not match the certificate request\n");
534: goto end;
535: } else
536: BIO_printf(bio_err, "Signature ok\n");
537:
538: print_name(bio_err, "subject=", X509_REQ_get_subject_name(req), nmflag);
539:
540: if ((x = X509_new()) == NULL)
541: goto end;
542:
543: if (sno == NULL) {
544: sno = ASN1_INTEGER_new();
545: if (!sno || !rand_serial(NULL, sno))
546: goto end;
547: if (!X509_set_serialNumber(x, sno))
548: goto end;
549: ASN1_INTEGER_free(sno);
550: sno = NULL;
551: } else if (!X509_set_serialNumber(x, sno))
552: goto end;
553:
554: if (!X509_set_issuer_name(x, req->req_info->subject))
555: goto end;
556: if (!X509_set_subject_name(x, req->req_info->subject))
557: goto end;
558:
559: X509_gmtime_adj(X509_get_notBefore(x), 0);
560: X509_time_adj_ex(X509_get_notAfter(x), days, 0, NULL);
561:
562: pkey = X509_REQ_get_pubkey(req);
563: X509_set_pubkey(x, pkey);
564: EVP_PKEY_free(pkey);
565: } else
1.6 bcook 566: x = load_cert(bio_err, infile, informat, NULL, "Certificate");
1.1 jsing 567:
568: if (x == NULL)
569: goto end;
570: if (CA_flag) {
1.6 bcook 571: xca = load_cert(bio_err, CAfile, CAformat, NULL, "CA Certificate");
1.1 jsing 572: if (xca == NULL)
573: goto end;
574: }
575: if (!noout || text || next_serial) {
576: OBJ_create("2.99999.3",
577: "SET.ex3", "SET x509v3 extension 3");
578:
579: out = BIO_new(BIO_s_file());
580: if (out == NULL) {
581: ERR_print_errors(bio_err);
582: goto end;
583: }
584: if (outfile == NULL) {
585: BIO_set_fp(out, stdout, BIO_NOCLOSE);
586: } else {
587: if (BIO_write_filename(out, outfile) <= 0) {
588: perror(outfile);
589: goto end;
590: }
591: }
592: }
593: if (alias)
594: X509_alias_set1(x, (unsigned char *) alias, -1);
595:
596: if (clrtrust)
597: X509_trust_clear(x);
598: if (clrreject)
599: X509_reject_clear(x);
600:
601: if (trust) {
602: for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++) {
603: objtmp = sk_ASN1_OBJECT_value(trust, i);
604: X509_add1_trust_object(x, objtmp);
605: }
606: }
607: if (reject) {
608: for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++) {
609: objtmp = sk_ASN1_OBJECT_value(reject, i);
610: X509_add1_reject_object(x, objtmp);
611: }
612: }
613: if (num) {
614: for (i = 1; i <= num; i++) {
615: if (issuer == i) {
616: print_name(STDout, "issuer= ",
617: X509_get_issuer_name(x), nmflag);
618: } else if (subject == i) {
619: print_name(STDout, "subject= ",
620: X509_get_subject_name(x), nmflag);
621: } else if (serial == i) {
622: BIO_printf(STDout, "serial=");
623: i2a_ASN1_INTEGER(STDout,
624: X509_get_serialNumber(x));
625: BIO_printf(STDout, "\n");
626: } else if (next_serial == i) {
627: BIGNUM *bnser;
628: ASN1_INTEGER *ser;
629: ser = X509_get_serialNumber(x);
630: bnser = ASN1_INTEGER_to_BN(ser, NULL);
631: if (!bnser)
632: goto end;
633: if (!BN_add_word(bnser, 1))
634: goto end;
635: ser = BN_to_ASN1_INTEGER(bnser, NULL);
636: if (!ser)
637: goto end;
638: BN_free(bnser);
639: i2a_ASN1_INTEGER(out, ser);
640: ASN1_INTEGER_free(ser);
641: BIO_puts(out, "\n");
642: } else if ((email == i) || (ocsp_uri == i)) {
643: int j;
644: STACK_OF(OPENSSL_STRING) *emlst;
645: if (email == i)
646: emlst = X509_get1_email(x);
647: else
648: emlst = X509_get1_ocsp(x);
649: for (j = 0; j < sk_OPENSSL_STRING_num(emlst); j++)
650: BIO_printf(STDout, "%s\n",
651: sk_OPENSSL_STRING_value(emlst, j));
652: X509_email_free(emlst);
653: } else if (aliasout == i) {
654: unsigned char *alstr;
655: alstr = X509_alias_get0(x, NULL);
656: if (alstr)
657: BIO_printf(STDout, "%s\n", alstr);
658: else
659: BIO_puts(STDout, "<No Alias>\n");
660: } else if (subject_hash == i) {
661: BIO_printf(STDout, "%08lx\n", X509_subject_name_hash(x));
662: }
663: #ifndef OPENSSL_NO_MD5
664: else if (subject_hash_old == i) {
665: BIO_printf(STDout, "%08lx\n", X509_subject_name_hash_old(x));
666: }
667: #endif
668: else if (issuer_hash == i) {
669: BIO_printf(STDout, "%08lx\n", X509_issuer_name_hash(x));
670: }
671: #ifndef OPENSSL_NO_MD5
672: else if (issuer_hash_old == i) {
673: BIO_printf(STDout, "%08lx\n", X509_issuer_name_hash_old(x));
674: }
675: #endif
676: else if (pprint == i) {
677: X509_PURPOSE *ptmp;
678: int j;
679: BIO_printf(STDout, "Certificate purposes:\n");
680: for (j = 0; j < X509_PURPOSE_get_count(); j++) {
681: ptmp = X509_PURPOSE_get0(j);
682: purpose_print(STDout, x, ptmp);
683: }
684: } else if (modulus == i) {
685: EVP_PKEY *pkey;
686:
687: pkey = X509_get_pubkey(x);
688: if (pkey == NULL) {
689: BIO_printf(bio_err, "Modulus=unavailable\n");
690: ERR_print_errors(bio_err);
691: goto end;
692: }
693: BIO_printf(STDout, "Modulus=");
694: if (pkey->type == EVP_PKEY_RSA)
695: BN_print(STDout, pkey->pkey.rsa->n);
696: else
697: if (pkey->type == EVP_PKEY_DSA)
698: BN_print(STDout, pkey->pkey.dsa->pub_key);
699: else
700: BIO_printf(STDout, "Wrong Algorithm type");
701: BIO_printf(STDout, "\n");
702: EVP_PKEY_free(pkey);
703: } else if (pubkey == i) {
704: EVP_PKEY *pkey;
705:
706: pkey = X509_get_pubkey(x);
707: if (pkey == NULL) {
708: BIO_printf(bio_err, "Error getting public key\n");
709: ERR_print_errors(bio_err);
710: goto end;
711: }
712: PEM_write_bio_PUBKEY(STDout, pkey);
713: EVP_PKEY_free(pkey);
714: } else if (C == i) {
715: unsigned char *d;
716: char *m;
717: int y, z;
718:
719: X509_NAME_oneline(X509_get_subject_name(x),
720: buf, sizeof buf);
721: BIO_printf(STDout, "/* subject:%s */\n", buf);
722: m = X509_NAME_oneline(
723: X509_get_issuer_name(x), buf,
724: sizeof buf);
725: BIO_printf(STDout, "/* issuer :%s */\n", buf);
726:
727: z = i2d_X509(x, NULL);
728: m = malloc(z);
1.8 bcook 729: if (m == NULL) {
730: BIO_printf(bio_err, "out of mem\n");
731: goto end;
732: }
1.1 jsing 733:
734: d = (unsigned char *) m;
735: z = i2d_X509_NAME(X509_get_subject_name(x), &d);
736: BIO_printf(STDout, "unsigned char XXX_subject_name[%d]={\n", z);
737: d = (unsigned char *) m;
738: for (y = 0; y < z; y++) {
739: BIO_printf(STDout, "0x%02X,", d[y]);
740: if ((y & 0x0f) == 0x0f)
741: BIO_printf(STDout, "\n");
742: }
743: if (y % 16 != 0)
744: BIO_printf(STDout, "\n");
745: BIO_printf(STDout, "};\n");
746:
747: z = i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x), &d);
748: BIO_printf(STDout, "unsigned char XXX_public_key[%d]={\n", z);
749: d = (unsigned char *) m;
750: for (y = 0; y < z; y++) {
751: BIO_printf(STDout, "0x%02X,", d[y]);
752: if ((y & 0x0f) == 0x0f)
753: BIO_printf(STDout, "\n");
754: }
755: if (y % 16 != 0)
756: BIO_printf(STDout, "\n");
757: BIO_printf(STDout, "};\n");
758:
759: z = i2d_X509(x, &d);
760: BIO_printf(STDout, "unsigned char XXX_certificate[%d]={\n", z);
761: d = (unsigned char *) m;
762: for (y = 0; y < z; y++) {
763: BIO_printf(STDout, "0x%02X,", d[y]);
764: if ((y & 0x0f) == 0x0f)
765: BIO_printf(STDout, "\n");
766: }
767: if (y % 16 != 0)
768: BIO_printf(STDout, "\n");
769: BIO_printf(STDout, "};\n");
770:
771: free(m);
772: } else if (text == i) {
773: X509_print_ex(STDout, x, nmflag, certflag);
774: } else if (startdate == i) {
775: BIO_puts(STDout, "notBefore=");
776: ASN1_TIME_print(STDout, X509_get_notBefore(x));
777: BIO_puts(STDout, "\n");
778: } else if (enddate == i) {
779: BIO_puts(STDout, "notAfter=");
780: ASN1_TIME_print(STDout, X509_get_notAfter(x));
781: BIO_puts(STDout, "\n");
782: } else if (fingerprint == i) {
783: int j;
784: unsigned int n;
785: unsigned char md[EVP_MAX_MD_SIZE];
786: const EVP_MD *fdig = digest;
787:
788: if (!fdig)
789: fdig = EVP_sha1();
790:
791: if (!X509_digest(x, fdig, md, &n)) {
792: BIO_printf(bio_err, "out of memory\n");
793: goto end;
794: }
795: BIO_printf(STDout, "%s Fingerprint=",
796: OBJ_nid2sn(EVP_MD_type(fdig)));
797: for (j = 0; j < (int) n; j++) {
798: BIO_printf(STDout, "%02X%c", md[j],
799: (j + 1 == (int)n) ? '\n' : ':');
800: }
801: }
802: /* should be in the library */
803: else if ((sign_flag == i) && (x509req == 0)) {
804: BIO_printf(bio_err, "Getting Private key\n");
805: if (Upkey == NULL) {
806: Upkey = load_key(bio_err,
807: keyfile, keyformat, 0,
1.6 bcook 808: passin, "Private key");
1.1 jsing 809: if (Upkey == NULL)
810: goto end;
811: }
812: if (!sign(x, Upkey, days, clrext, digest,
813: extconf, extsect))
814: goto end;
815: } else if (CA_flag == i) {
816: BIO_printf(bio_err, "Getting CA Private Key\n");
817: if (CAkeyfile != NULL) {
818: CApkey = load_key(bio_err,
819: CAkeyfile, CAkeyformat,
1.6 bcook 820: 0, passin, "CA Private Key");
1.1 jsing 821: if (CApkey == NULL)
822: goto end;
823: }
824: if (!x509_certify(ctx, CAfile, digest, x, xca,
825: CApkey, sigopts,
826: CAserial, CA_createserial, days, clrext,
827: extconf, extsect, sno))
828: goto end;
829: } else if (x509req == i) {
830: EVP_PKEY *pk;
831:
832: BIO_printf(bio_err, "Getting request Private Key\n");
833: if (keyfile == NULL) {
834: BIO_printf(bio_err, "no request key file specified\n");
835: goto end;
836: } else {
837: pk = load_key(bio_err,
838: keyfile, keyformat, 0,
1.6 bcook 839: passin, "request key");
1.1 jsing 840: if (pk == NULL)
841: goto end;
842: }
843:
844: BIO_printf(bio_err, "Generating certificate request\n");
845:
846: rq = X509_to_X509_REQ(x, pk, digest);
847: EVP_PKEY_free(pk);
848: if (rq == NULL) {
849: ERR_print_errors(bio_err);
850: goto end;
851: }
852: if (!noout) {
853: X509_REQ_print(out, rq);
854: PEM_write_bio_X509_REQ(out, rq);
855: }
856: noout = 1;
857: } else if (ocspid == i) {
858: X509_ocspid_print(out, x);
859: }
860: }
861: }
862: if (checkend) {
863: time_t tcheck = time(NULL) + checkoffset;
864:
865: if (X509_cmp_time(X509_get_notAfter(x), &tcheck) < 0) {
866: BIO_printf(out, "Certificate will expire\n");
867: ret = 1;
868: } else {
869: BIO_printf(out, "Certificate will not expire\n");
870: ret = 0;
871: }
872: goto end;
873: }
874: if (noout) {
875: ret = 0;
876: goto end;
877: }
878: if (outformat == FORMAT_ASN1)
879: i = i2d_X509_bio(out, x);
880: else if (outformat == FORMAT_PEM) {
881: if (trustout)
882: i = PEM_write_bio_X509_AUX(out, x);
883: else
884: i = PEM_write_bio_X509(out, x);
885: } else if (outformat == FORMAT_NETSCAPE) {
886: NETSCAPE_X509 nx;
887: ASN1_OCTET_STRING hdr;
888:
889: hdr.data = (unsigned char *) NETSCAPE_CERT_HDR;
890: hdr.length = strlen(NETSCAPE_CERT_HDR);
891: nx.header = &hdr;
892: nx.cert = x;
893:
894: i = ASN1_item_i2d_bio(ASN1_ITEM_rptr(NETSCAPE_X509), out, &nx);
895: } else {
896: BIO_printf(bio_err, "bad output format specified for outfile\n");
897: goto end;
898: }
899: if (!i) {
900: BIO_printf(bio_err, "unable to write certificate\n");
901: ERR_print_errors(bio_err);
902: goto end;
903: }
904: ret = 0;
905:
906: end:
907: OBJ_cleanup();
908: NCONF_free(extconf);
909: BIO_free_all(out);
910: BIO_free_all(STDout);
911: X509_STORE_free(ctx);
912: X509_REQ_free(req);
913: X509_free(x);
914: X509_free(xca);
915: EVP_PKEY_free(Upkey);
916: EVP_PKEY_free(CApkey);
917: if (sigopts)
918: sk_OPENSSL_STRING_free(sigopts);
919: X509_REQ_free(rq);
920: ASN1_INTEGER_free(sno);
921: sk_ASN1_OBJECT_pop_free(trust, ASN1_OBJECT_free);
922: sk_ASN1_OBJECT_pop_free(reject, ASN1_OBJECT_free);
923: free(passin);
924:
925: return (ret);
926: }
927:
928: static ASN1_INTEGER *
929: x509_load_serial(char *CAfile, char *serialfile, int create)
930: {
931: char *buf = NULL, *p;
932: ASN1_INTEGER *bs = NULL;
933: BIGNUM *serial = NULL;
934: size_t len;
935:
936: len = ((serialfile == NULL) ? (strlen(CAfile) + strlen(POSTFIX) + 1) :
937: (strlen(serialfile))) + 1;
938: buf = malloc(len);
939: if (buf == NULL) {
940: BIO_printf(bio_err, "out of mem\n");
941: goto end;
942: }
943: if (serialfile == NULL) {
944: strlcpy(buf, CAfile, len);
945: for (p = buf; *p; p++)
946: if (*p == '.') {
947: *p = '\0';
948: break;
949: }
950: strlcat(buf, POSTFIX, len);
951: } else
952: strlcpy(buf, serialfile, len);
953:
954: serial = load_serial(buf, create, NULL);
955: if (serial == NULL)
956: goto end;
957:
958: if (!BN_add_word(serial, 1)) {
959: BIO_printf(bio_err, "add_word failure\n");
960: goto end;
961: }
962: if (!save_serial(buf, NULL, serial, &bs))
963: goto end;
964:
965: end:
966: free(buf);
967: BN_free(serial);
968:
969: return bs;
970: }
971:
972: static int
973: x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest, X509 *x,
974: X509 *xca, EVP_PKEY *pkey, STACK_OF(OPENSSL_STRING) *sigopts,
975: char *serialfile, int create, int days, int clrext, CONF *conf,
976: char *section, ASN1_INTEGER *sno)
977: {
978: int ret = 0;
979: ASN1_INTEGER *bs = NULL;
980: X509_STORE_CTX xsc;
981: EVP_PKEY *upkey;
982:
983: upkey = X509_get_pubkey(xca);
984: EVP_PKEY_copy_parameters(upkey, pkey);
985: EVP_PKEY_free(upkey);
986:
987: if (!X509_STORE_CTX_init(&xsc, ctx, x, NULL)) {
988: BIO_printf(bio_err, "Error initialising X509 store\n");
989: goto end;
990: }
991: if (sno)
992: bs = sno;
993: else if (!(bs = x509_load_serial(CAfile, serialfile, create)))
994: goto end;
995:
996: /* if (!X509_STORE_add_cert(ctx,x)) goto end;*/
997:
998: /*
999: * NOTE: this certificate can/should be self signed, unless it was a
1000: * certificate request in which case it is not.
1001: */
1002: X509_STORE_CTX_set_cert(&xsc, x);
1003: X509_STORE_CTX_set_flags(&xsc, X509_V_FLAG_CHECK_SS_SIGNATURE);
1004: if (!reqfile && X509_verify_cert(&xsc) <= 0)
1005: goto end;
1006:
1007: if (!X509_check_private_key(xca, pkey)) {
1008: BIO_printf(bio_err, "CA certificate and CA private key do not match\n");
1009: goto end;
1010: }
1011: if (!X509_set_issuer_name(x, X509_get_subject_name(xca)))
1012: goto end;
1013: if (!X509_set_serialNumber(x, bs))
1014: goto end;
1015:
1016: if (X509_gmtime_adj(X509_get_notBefore(x), 0L) == NULL)
1017: goto end;
1018:
1019: /* hardwired expired */
1020: if (X509_time_adj_ex(X509_get_notAfter(x), days, 0, NULL) == NULL)
1021: goto end;
1022:
1023: if (clrext) {
1024: while (X509_get_ext_count(x) > 0)
1025: X509_delete_ext(x, 0);
1026: }
1027: if (conf) {
1028: X509V3_CTX ctx2;
1029: X509_set_version(x, 2); /* version 3 certificate */
1030: X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);
1031: X509V3_set_nconf(&ctx2, conf);
1032: if (!X509V3_EXT_add_nconf(conf, &ctx2, section, x))
1033: goto end;
1034: }
1035: if (!do_X509_sign(bio_err, x, pkey, digest, sigopts))
1036: goto end;
1037: ret = 1;
1038: end:
1039: X509_STORE_CTX_cleanup(&xsc);
1040: if (!ret)
1041: ERR_print_errors(bio_err);
1042: if (!sno)
1043: ASN1_INTEGER_free(bs);
1044: return ret;
1045: }
1046:
1047: static int
1048: callb(int ok, X509_STORE_CTX *ctx)
1049: {
1050: int err;
1051: X509 *err_cert;
1052:
1053: /*
1054: * it is ok to use a self signed certificate This case will catch
1055: * both the initial ok == 0 and the final ok == 1 calls to this
1056: * function
1057: */
1058: err = X509_STORE_CTX_get_error(ctx);
1059: if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
1060: return 1;
1061:
1062: /*
1063: * BAD we should have gotten an error. Normally if everything worked
1064: * X509_STORE_CTX_get_error(ctx) will still be set to
1065: * DEPTH_ZERO_SELF_....
1066: */
1067: if (ok) {
1068: BIO_printf(bio_err, "error with certificate to be certified - should be self signed\n");
1069: return 0;
1070: } else {
1071: err_cert = X509_STORE_CTX_get_current_cert(ctx);
1072: print_name(bio_err, NULL, X509_get_subject_name(err_cert), 0);
1073: BIO_printf(bio_err, "error with certificate - error %d at depth %d\n%s\n",
1074: err, X509_STORE_CTX_get_error_depth(ctx),
1075: X509_verify_cert_error_string(err));
1076: return 1;
1077: }
1078: }
1079:
1080: /* self sign */
1081: static int
1082: sign(X509 *x, EVP_PKEY *pkey, int days, int clrext, const EVP_MD *digest,
1083: CONF *conf, char *section)
1084: {
1085:
1086: EVP_PKEY *pktmp;
1087:
1088: pktmp = X509_get_pubkey(x);
1089: EVP_PKEY_copy_parameters(pktmp, pkey);
1090: EVP_PKEY_save_parameters(pktmp, 1);
1091: EVP_PKEY_free(pktmp);
1092:
1093: if (!X509_set_issuer_name(x, X509_get_subject_name(x)))
1094: goto err;
1095: if (X509_gmtime_adj(X509_get_notBefore(x), 0) == NULL)
1096: goto err;
1097:
1098: /* Lets just make it 12:00am GMT, Jan 1 1970 */
1099: /* memcpy(x->cert_info->validity->notBefore,"700101120000Z",13); */
1100: /* 28 days to be certified */
1101:
1102: if (X509_gmtime_adj(X509_get_notAfter(x),
1103: (long) 60 * 60 * 24 * days) == NULL)
1104: goto err;
1105:
1106: if (!X509_set_pubkey(x, pkey))
1107: goto err;
1108: if (clrext) {
1109: while (X509_get_ext_count(x) > 0)
1110: X509_delete_ext(x, 0);
1111: }
1112: if (conf) {
1113: X509V3_CTX ctx;
1114: X509_set_version(x, 2); /* version 3 certificate */
1115: X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0);
1116: X509V3_set_nconf(&ctx, conf);
1117: if (!X509V3_EXT_add_nconf(conf, &ctx, section, x))
1118: goto err;
1119: }
1120: if (!X509_sign(x, pkey, digest))
1121: goto err;
1122: return 1;
1123:
1124: err:
1125: ERR_print_errors(bio_err);
1126: return 0;
1127: }
1128:
1129: static int
1130: purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt)
1131: {
1132: int id, i, idret;
1133: char *pname;
1134:
1135: id = X509_PURPOSE_get_id(pt);
1136: pname = X509_PURPOSE_get0_name(pt);
1137: for (i = 0; i < 2; i++) {
1138: idret = X509_check_purpose(cert, id, i);
1139: BIO_printf(bio, "%s%s : ", pname, i ? " CA" : "");
1140: if (idret == 1)
1141: BIO_printf(bio, "Yes\n");
1142: else if (idret == 0)
1143: BIO_printf(bio, "No\n");
1144: else
1145: BIO_printf(bio, "Yes (WARNING code=%d)\n", idret);
1146: }
1147: return 1;
1148: }