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x509.c
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1 /* apps/x509.c */
2 /* Copyright (C) 1995-1998 Eric Young ([email protected])
3  * All rights reserved.
4  *
5  * This package is an SSL implementation written
6  * by Eric Young ([email protected]).
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 ([email protected]).
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 ([email protected])"
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 ([email protected])"
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 <string.h>
63 #ifdef OPENSSL_NO_STDIO
64 #define APPS_WIN16
65 #endif
66 #include "apps.h"
67 #include <openssl/bio.h>
68 #include <openssl/asn1.h>
69 #include <openssl/err.h>
70 #include <openssl/bn.h>
71 #include <openssl/evp.h>
72 #include <openssl/x509.h>
73 #include <openssl/x509v3.h>
74 #include <openssl/objects.h>
75 #include <openssl/pem.h>
76 #ifndef OPENSSL_NO_RSA
77 #include <openssl/rsa.h>
78 #endif
79 #ifndef OPENSSL_NO_DSA
80 #include <openssl/dsa.h>
81 #endif
82 
83 #undef PROG
84 #define PROG x509_main
85 
86 #undef POSTFIX
87 #define POSTFIX ".srl"
88 #define DEF_DAYS 30
89 
90 static const char *x509_usage[]={
91 "usage: x509 args\n",
92 " -inform arg - input format - default PEM (one of DER, NET or PEM)\n",
93 " -outform arg - output format - default PEM (one of DER, NET or PEM)\n",
94 " -keyform arg - private key format - default PEM\n",
95 " -CAform arg - CA format - default PEM\n",
96 " -CAkeyform arg - CA key format - default PEM\n",
97 " -in arg - input file - default stdin\n",
98 " -out arg - output file - default stdout\n",
99 " -passin arg - private key password source\n",
100 " -serial - print serial number value\n",
101 " -subject_hash - print subject hash value\n",
102 #ifndef OPENSSL_NO_MD5
103 " -subject_hash_old - print old-style (MD5) subject hash value\n",
104 #endif
105 " -issuer_hash - print issuer hash value\n",
106 #ifndef OPENSSL_NO_MD5
107 " -issuer_hash_old - print old-style (MD5) issuer hash value\n",
108 #endif
109 " -hash - synonym for -subject_hash\n",
110 " -subject - print subject DN\n",
111 " -issuer - print issuer DN\n",
112 " -email - print email address(es)\n",
113 " -startdate - notBefore field\n",
114 " -enddate - notAfter field\n",
115 " -purpose - print out certificate purposes\n",
116 " -dates - both Before and After dates\n",
117 " -modulus - print the RSA key modulus\n",
118 " -pubkey - output the public key\n",
119 " -fingerprint - print the certificate fingerprint\n",
120 " -alias - output certificate alias\n",
121 " -noout - no certificate output\n",
122 " -ocspid - print OCSP hash values for the subject name and public key\n",
123 " -ocsp_uri - print OCSP Responder URL(s)\n",
124 " -trustout - output a \"trusted\" certificate\n",
125 " -clrtrust - clear all trusted purposes\n",
126 " -clrreject - clear all rejected purposes\n",
127 " -addtrust arg - trust certificate for a given purpose\n",
128 " -addreject arg - reject certificate for a given purpose\n",
129 " -setalias arg - set certificate alias\n",
130 " -days arg - How long till expiry of a signed certificate - def 30 days\n",
131 " -checkend arg - check whether the cert expires in the next arg seconds\n",
132 " exit 1 if so, 0 if not\n",
133 " -signkey arg - self sign cert with arg\n",
134 " -x509toreq - output a certification request object\n",
135 " -req - input is a certificate request, sign and output.\n",
136 " -CA arg - set the CA certificate, must be PEM format.\n",
137 " -CAkey arg - set the CA key, must be PEM format\n",
138 " missing, it is assumed to be in the CA file.\n",
139 " -CAcreateserial - create serial number file if it does not exist\n",
140 " -CAserial arg - serial file\n",
141 " -set_serial - serial number to use\n",
142 " -text - print the certificate in text form\n",
143 " -C - print out C code forms\n",
144 " -md2/-md5/-sha1/-mdc2 - digest to use\n",
145 " -extfile - configuration file with X509V3 extensions to add\n",
146 " -extensions - section from config file with X509V3 extensions to add\n",
147 " -clrext - delete extensions before signing and input certificate\n",
148 " -nameopt arg - various certificate name options\n",
149 #ifndef OPENSSL_NO_ENGINE
150 " -engine e - use engine e, possibly a hardware device.\n",
151 #endif
152 " -certopt arg - various certificate text options\n",
153 NULL
154 };
155 
156 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx);
157 static int sign (X509 *x, EVP_PKEY *pkey,int days,int clrext, const EVP_MD *digest,
158  CONF *conf, char *section);
159 static int x509_certify (X509_STORE *ctx,char *CAfile,const EVP_MD *digest,
160  X509 *x,X509 *xca,EVP_PKEY *pkey,
161  STACK_OF(OPENSSL_STRING) *sigopts,
162  char *serial, int create ,int days, int clrext,
163  CONF *conf, char *section, ASN1_INTEGER *sno);
164 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt);
165 static int reqfile=0;
166 
167 int MAIN(int, char **);
168 
169 int MAIN(int argc, char **argv)
170  {
171  ENGINE *e = NULL;
172  int ret=1;
173  X509_REQ *req=NULL;
174  X509 *x=NULL,*xca=NULL;
175  ASN1_OBJECT *objtmp;
176  STACK_OF(OPENSSL_STRING) *sigopts = NULL;
177  EVP_PKEY *Upkey=NULL,*CApkey=NULL;
178  ASN1_INTEGER *sno = NULL;
179  int i,num,badops=0;
180  BIO *out=NULL;
181  BIO *STDout=NULL;
182  STACK_OF(ASN1_OBJECT) *trust = NULL, *reject = NULL;
183  int informat,outformat,keyformat,CAformat,CAkeyformat;
184  char *infile=NULL,*outfile=NULL,*keyfile=NULL,*CAfile=NULL;
185  char *CAkeyfile=NULL,*CAserial=NULL;
186  char *alias=NULL;
187  int text=0,serial=0,subject=0,issuer=0,startdate=0,enddate=0;
188  int next_serial=0;
189  int subject_hash=0,issuer_hash=0,ocspid=0;
190 #ifndef OPENSSL_NO_MD5
191  int subject_hash_old=0,issuer_hash_old=0;
192 #endif
193  int noout=0,sign_flag=0,CA_flag=0,CA_createserial=0,email=0;
194  int ocsp_uri=0;
195  int trustout=0,clrtrust=0,clrreject=0,aliasout=0,clrext=0;
196  int C=0;
197  int x509req=0,days=DEF_DAYS,modulus=0,pubkey=0;
198  int pprint = 0;
199  const char **pp;
200  X509_STORE *ctx=NULL;
201  X509_REQ *rq=NULL;
202  int fingerprint=0;
203  char buf[256];
204  const EVP_MD *md_alg,*digest=NULL;
205  CONF *extconf = NULL;
206  char *extsect = NULL, *extfile = NULL, *passin = NULL, *passargin = NULL;
207  int need_rand = 0;
208  int checkend=0,checkoffset=0;
209  unsigned long nmflag = 0, certflag = 0;
210 #ifndef OPENSSL_NO_ENGINE
211  char *engine=NULL;
212 #endif
213 
214  reqfile=0;
215 
216  apps_startup();
217 
218  if (bio_err == NULL)
219  bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
220 
221  if (!load_config(bio_err, NULL))
222  goto end;
223  STDout=BIO_new_fp(stdout,BIO_NOCLOSE);
224 #ifdef OPENSSL_SYS_VMS
225  {
226  BIO *tmpbio = BIO_new(BIO_f_linebuffer());
227  STDout = BIO_push(tmpbio, STDout);
228  }
229 #endif
230 
231  informat=FORMAT_PEM;
232  outformat=FORMAT_PEM;
233  keyformat=FORMAT_PEM;
234  CAformat=FORMAT_PEM;
235  CAkeyformat=FORMAT_PEM;
236 
237  ctx=X509_STORE_new();
238  if (ctx == NULL) goto end;
239  X509_STORE_set_verify_cb(ctx,callb);
240 
241  argc--;
242  argv++;
243  num=0;
244  while (argc >= 1)
245  {
246  if (strcmp(*argv,"-inform") == 0)
247  {
248  if (--argc < 1) goto bad;
249  informat=str2fmt(*(++argv));
250  }
251  else if (strcmp(*argv,"-outform") == 0)
252  {
253  if (--argc < 1) goto bad;
254  outformat=str2fmt(*(++argv));
255  }
256  else if (strcmp(*argv,"-keyform") == 0)
257  {
258  if (--argc < 1) goto bad;
259  keyformat=str2fmt(*(++argv));
260  }
261  else if (strcmp(*argv,"-req") == 0)
262  {
263  reqfile=1;
264  need_rand = 1;
265  }
266  else if (strcmp(*argv,"-CAform") == 0)
267  {
268  if (--argc < 1) goto bad;
269  CAformat=str2fmt(*(++argv));
270  }
271  else if (strcmp(*argv,"-CAkeyform") == 0)
272  {
273  if (--argc < 1) goto bad;
274  CAkeyformat=str2fmt(*(++argv));
275  }
276  else if (strcmp(*argv,"-sigopt") == 0)
277  {
278  if (--argc < 1)
279  goto bad;
280  if (!sigopts)
281  sigopts = sk_OPENSSL_STRING_new_null();
282  if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, *(++argv)))
283  goto bad;
284  }
285  else if (strcmp(*argv,"-days") == 0)
286  {
287  if (--argc < 1) goto bad;
288  days=atoi(*(++argv));
289  if (days == 0)
290  {
291  BIO_printf(STDout,"bad number of days\n");
292  goto bad;
293  }
294  }
295  else if (strcmp(*argv,"-passin") == 0)
296  {
297  if (--argc < 1) goto bad;
298  passargin= *(++argv);
299  }
300  else if (strcmp(*argv,"-extfile") == 0)
301  {
302  if (--argc < 1) goto bad;
303  extfile= *(++argv);
304  }
305  else if (strcmp(*argv,"-extensions") == 0)
306  {
307  if (--argc < 1) goto bad;
308  extsect= *(++argv);
309  }
310  else if (strcmp(*argv,"-in") == 0)
311  {
312  if (--argc < 1) goto bad;
313  infile= *(++argv);
314  }
315  else if (strcmp(*argv,"-out") == 0)
316  {
317  if (--argc < 1) goto bad;
318  outfile= *(++argv);
319  }
320  else if (strcmp(*argv,"-signkey") == 0)
321  {
322  if (--argc < 1) goto bad;
323  keyfile= *(++argv);
324  sign_flag= ++num;
325  need_rand = 1;
326  }
327  else if (strcmp(*argv,"-CA") == 0)
328  {
329  if (--argc < 1) goto bad;
330  CAfile= *(++argv);
331  CA_flag= ++num;
332  need_rand = 1;
333  }
334  else if (strcmp(*argv,"-CAkey") == 0)
335  {
336  if (--argc < 1) goto bad;
337  CAkeyfile= *(++argv);
338  }
339  else if (strcmp(*argv,"-CAserial") == 0)
340  {
341  if (--argc < 1) goto bad;
342  CAserial= *(++argv);
343  }
344  else if (strcmp(*argv,"-set_serial") == 0)
345  {
346  if (--argc < 1) goto bad;
347  if (!(sno = s2i_ASN1_INTEGER(NULL, *(++argv))))
348  goto bad;
349  }
350  else if (strcmp(*argv,"-addtrust") == 0)
351  {
352  if (--argc < 1) goto bad;
353  if (!(objtmp = OBJ_txt2obj(*(++argv), 0)))
354  {
355  BIO_printf(bio_err,
356  "Invalid trust object value %s\n", *argv);
357  goto bad;
358  }
359  if (!trust) trust = sk_ASN1_OBJECT_new_null();
360  sk_ASN1_OBJECT_push(trust, objtmp);
361  trustout = 1;
362  }
363  else if (strcmp(*argv,"-addreject") == 0)
364  {
365  if (--argc < 1) goto bad;
366  if (!(objtmp = OBJ_txt2obj(*(++argv), 0)))
367  {
368  BIO_printf(bio_err,
369  "Invalid reject object value %s\n", *argv);
370  goto bad;
371  }
372  if (!reject) reject = sk_ASN1_OBJECT_new_null();
373  sk_ASN1_OBJECT_push(reject, objtmp);
374  trustout = 1;
375  }
376  else if (strcmp(*argv,"-setalias") == 0)
377  {
378  if (--argc < 1) goto bad;
379  alias= *(++argv);
380  trustout = 1;
381  }
382  else if (strcmp(*argv,"-certopt") == 0)
383  {
384  if (--argc < 1) goto bad;
385  if (!set_cert_ex(&certflag, *(++argv))) goto bad;
386  }
387  else if (strcmp(*argv,"-nameopt") == 0)
388  {
389  if (--argc < 1) goto bad;
390  if (!set_name_ex(&nmflag, *(++argv))) goto bad;
391  }
392 #ifndef OPENSSL_NO_ENGINE
393  else if (strcmp(*argv,"-engine") == 0)
394  {
395  if (--argc < 1) goto bad;
396  engine= *(++argv);
397  }
398 #endif
399  else if (strcmp(*argv,"-C") == 0)
400  C= ++num;
401  else if (strcmp(*argv,"-email") == 0)
402  email= ++num;
403  else if (strcmp(*argv,"-ocsp_uri") == 0)
404  ocsp_uri= ++num;
405  else if (strcmp(*argv,"-serial") == 0)
406  serial= ++num;
407  else if (strcmp(*argv,"-next_serial") == 0)
408  next_serial= ++num;
409  else if (strcmp(*argv,"-modulus") == 0)
410  modulus= ++num;
411  else if (strcmp(*argv,"-pubkey") == 0)
412  pubkey= ++num;
413  else if (strcmp(*argv,"-x509toreq") == 0)
414  x509req= ++num;
415  else if (strcmp(*argv,"-text") == 0)
416  text= ++num;
417  else if (strcmp(*argv,"-hash") == 0
418  || strcmp(*argv,"-subject_hash") == 0)
419  subject_hash= ++num;
420 #ifndef OPENSSL_NO_MD5
421  else if (strcmp(*argv,"-subject_hash_old") == 0)
422  subject_hash_old= ++num;
423 #endif
424  else if (strcmp(*argv,"-issuer_hash") == 0)
425  issuer_hash= ++num;
426 #ifndef OPENSSL_NO_MD5
427  else if (strcmp(*argv,"-issuer_hash_old") == 0)
428  issuer_hash_old= ++num;
429 #endif
430  else if (strcmp(*argv,"-subject") == 0)
431  subject= ++num;
432  else if (strcmp(*argv,"-issuer") == 0)
433  issuer= ++num;
434  else if (strcmp(*argv,"-fingerprint") == 0)
435  fingerprint= ++num;
436  else if (strcmp(*argv,"-dates") == 0)
437  {
438  startdate= ++num;
439  enddate= ++num;
440  }
441  else if (strcmp(*argv,"-purpose") == 0)
442  pprint= ++num;
443  else if (strcmp(*argv,"-startdate") == 0)
444  startdate= ++num;
445  else if (strcmp(*argv,"-enddate") == 0)
446  enddate= ++num;
447  else if (strcmp(*argv,"-checkend") == 0)
448  {
449  if (--argc < 1) goto bad;
450  checkoffset=atoi(*(++argv));
451  checkend=1;
452  }
453  else if (strcmp(*argv,"-noout") == 0)
454  noout= ++num;
455  else if (strcmp(*argv,"-trustout") == 0)
456  trustout= 1;
457  else if (strcmp(*argv,"-clrtrust") == 0)
458  clrtrust= ++num;
459  else if (strcmp(*argv,"-clrreject") == 0)
460  clrreject= ++num;
461  else if (strcmp(*argv,"-alias") == 0)
462  aliasout= ++num;
463  else if (strcmp(*argv,"-CAcreateserial") == 0)
464  CA_createserial= ++num;
465  else if (strcmp(*argv,"-clrext") == 0)
466  clrext = 1;
467 #if 1 /* stay backwards-compatible with 0.9.5; this should go away soon */
468  else if (strcmp(*argv,"-crlext") == 0)
469  {
470  BIO_printf(bio_err,"use -clrext instead of -crlext\n");
471  clrext = 1;
472  }
473 #endif
474  else if (strcmp(*argv,"-ocspid") == 0)
475  ocspid= ++num;
476  else if ((md_alg=EVP_get_digestbyname(*argv + 1)))
477  {
478  /* ok */
479  digest=md_alg;
480  }
481  else
482  {
483  BIO_printf(bio_err,"unknown option %s\n",*argv);
484  badops=1;
485  break;
486  }
487  argc--;
488  argv++;
489  }
490 
491  if (badops)
492  {
493 bad:
494  for (pp=x509_usage; (*pp != NULL); pp++)
495  BIO_printf(bio_err,"%s",*pp);
496  goto end;
497  }
498 
499 #ifndef OPENSSL_NO_ENGINE
500  e = setup_engine(bio_err, engine, 0);
501 #endif
502 
503  if (need_rand)
504  app_RAND_load_file(NULL, bio_err, 0);
505 
506  ERR_load_crypto_strings();
507 
508  if (!app_passwd(bio_err, passargin, NULL, &passin, NULL))
509  {
510  BIO_printf(bio_err, "Error getting password\n");
511  goto end;
512  }
513 
514  if (!X509_STORE_set_default_paths(ctx))
515  {
516  ERR_print_errors(bio_err);
517  goto end;
518  }
519 
520  if ((CAkeyfile == NULL) && (CA_flag) && (CAformat == FORMAT_PEM))
521  { CAkeyfile=CAfile; }
522  else if ((CA_flag) && (CAkeyfile == NULL))
523  {
524  BIO_printf(bio_err,"need to specify a CAkey if using the CA command\n");
525  goto end;
526  }
527 
528  if (extfile)
529  {
530  long errorline = -1;
531  X509V3_CTX ctx2;
532  extconf = NCONF_new(NULL);
533  if (!NCONF_load(extconf, extfile,&errorline))
534  {
535  if (errorline <= 0)
536  BIO_printf(bio_err,
537  "error loading the config file '%s'\n",
538  extfile);
539  else
540  BIO_printf(bio_err,
541  "error on line %ld of config file '%s'\n"
542  ,errorline,extfile);
543  goto end;
544  }
545  if (!extsect)
546  {
547  extsect = NCONF_get_string(extconf, "default", "extensions");
548  if (!extsect)
549  {
550  ERR_clear_error();
551  extsect = "default";
552  }
553  }
554  X509V3_set_ctx_test(&ctx2);
555  X509V3_set_nconf(&ctx2, extconf);
556  if (!X509V3_EXT_add_nconf(extconf, &ctx2, extsect, NULL))
557  {
558  BIO_printf(bio_err,
559  "Error Loading extension section %s\n",
560  extsect);
561  ERR_print_errors(bio_err);
562  goto end;
563  }
564  }
565 
566 
567  if (reqfile)
568  {
569  EVP_PKEY *pkey;
570  BIO *in;
571 
572  if (!sign_flag && !CA_flag)
573  {
574  BIO_printf(bio_err,"We need a private key to sign with\n");
575  goto end;
576  }
577  in=BIO_new(BIO_s_file());
578  if (in == NULL)
579  {
580  ERR_print_errors(bio_err);
581  goto end;
582  }
583 
584  if (infile == NULL)
585  BIO_set_fp(in,stdin,BIO_NOCLOSE|BIO_FP_TEXT);
586  else
587  {
588  if (BIO_read_filename(in,infile) <= 0)
589  {
590  perror(infile);
591  BIO_free(in);
592  goto end;
593  }
594  }
595  req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
596  BIO_free(in);
597 
598  if (req == NULL)
599  {
600  ERR_print_errors(bio_err);
601  goto end;
602  }
603 
604  if ( (req->req_info == NULL) ||
605  (req->req_info->pubkey == NULL) ||
606  (req->req_info->pubkey->public_key == NULL) ||
607  (req->req_info->pubkey->public_key->data == NULL))
608  {
609  BIO_printf(bio_err,"The certificate request appears to corrupted\n");
610  BIO_printf(bio_err,"It does not contain a public key\n");
611  goto end;
612  }
613  if ((pkey=X509_REQ_get_pubkey(req)) == NULL)
614  {
615  BIO_printf(bio_err,"error unpacking public key\n");
616  goto end;
617  }
618  i=X509_REQ_verify(req,pkey);
619  EVP_PKEY_free(pkey);
620  if (i < 0)
621  {
622  BIO_printf(bio_err,"Signature verification error\n");
623  ERR_print_errors(bio_err);
624  goto end;
625  }
626  if (i == 0)
627  {
628  BIO_printf(bio_err,"Signature did not match the certificate request\n");
629  goto end;
630  }
631  else
632  BIO_printf(bio_err,"Signature ok\n");
633 
634  print_name(bio_err, "subject=", X509_REQ_get_subject_name(req), nmflag);
635 
636  if ((x=X509_new()) == NULL) goto end;
637 
638  if (sno == NULL)
639  {
640  sno = ASN1_INTEGER_new();
641  if (!sno || !rand_serial(NULL, sno))
642  goto end;
643  if (!X509_set_serialNumber(x, sno))
644  goto end;
645  ASN1_INTEGER_free(sno);
646  sno = NULL;
647  }
648  else if (!X509_set_serialNumber(x, sno))
649  goto end;
650 
651  if (!X509_set_issuer_name(x,req->req_info->subject)) goto end;
652  if (!X509_set_subject_name(x,req->req_info->subject)) goto end;
653 
654  X509_gmtime_adj(X509_get_notBefore(x),0);
655  X509_time_adj_ex(X509_get_notAfter(x),days, 0, NULL);
656 
657  pkey = X509_REQ_get_pubkey(req);
658  X509_set_pubkey(x,pkey);
659  EVP_PKEY_free(pkey);
660  }
661  else
662  x=load_cert(bio_err,infile,informat,NULL,e,"Certificate");
663 
664  if (x == NULL) goto end;
665  if (CA_flag)
666  {
667  xca=load_cert(bio_err,CAfile,CAformat,NULL,e,"CA Certificate");
668  if (xca == NULL) goto end;
669  }
670 
671  if (!noout || text || next_serial)
672  {
673  OBJ_create("2.99999.3",
674  "SET.ex3","SET x509v3 extension 3");
675 
676  out=BIO_new(BIO_s_file());
677  if (out == NULL)
678  {
679  ERR_print_errors(bio_err);
680  goto end;
681  }
682  if (outfile == NULL)
683  {
684  BIO_set_fp(out,stdout,BIO_NOCLOSE);
685 #ifdef OPENSSL_SYS_VMS
686  {
687  BIO *tmpbio = BIO_new(BIO_f_linebuffer());
688  out = BIO_push(tmpbio, out);
689  }
690 #endif
691  }
692  else
693  {
694  if (BIO_write_filename(out,outfile) <= 0)
695  {
696  perror(outfile);
697  goto end;
698  }
699  }
700  }
701 
702  if (alias) X509_alias_set1(x, (unsigned char *)alias, -1);
703 
704  if (clrtrust) X509_trust_clear(x);
705  if (clrreject) X509_reject_clear(x);
706 
707  if (trust)
708  {
709  for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++)
710  {
711  objtmp = sk_ASN1_OBJECT_value(trust, i);
712  X509_add1_trust_object(x, objtmp);
713  }
714  }
715 
716  if (reject)
717  {
718  for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++)
719  {
720  objtmp = sk_ASN1_OBJECT_value(reject, i);
721  X509_add1_reject_object(x, objtmp);
722  }
723  }
724 
725  if (num)
726  {
727  for (i=1; i<=num; i++)
728  {
729  if (issuer == i)
730  {
731  print_name(STDout, "issuer= ",
732  X509_get_issuer_name(x), nmflag);
733  }
734  else if (subject == i)
735  {
736  print_name(STDout, "subject= ",
737  X509_get_subject_name(x), nmflag);
738  }
739  else if (serial == i)
740  {
741  BIO_printf(STDout,"serial=");
742  i2a_ASN1_INTEGER(STDout,
743  X509_get_serialNumber(x));
744  BIO_printf(STDout,"\n");
745  }
746  else if (next_serial == i)
747  {
748  BIGNUM *bnser;
749  ASN1_INTEGER *ser;
750  ser = X509_get_serialNumber(x);
751  bnser = ASN1_INTEGER_to_BN(ser, NULL);
752  if (!bnser)
753  goto end;
754  if (!BN_add_word(bnser, 1))
755  goto end;
756  ser = BN_to_ASN1_INTEGER(bnser, NULL);
757  if (!ser)
758  goto end;
759  BN_free(bnser);
760  i2a_ASN1_INTEGER(out, ser);
761  ASN1_INTEGER_free(ser);
762  BIO_puts(out, "\n");
763  }
764  else if ((email == i) || (ocsp_uri == i))
765  {
766  int j;
767  STACK_OF(OPENSSL_STRING) *emlst;
768  if (email == i)
769  emlst = X509_get1_email(x);
770  else
771  emlst = X509_get1_ocsp(x);
772  for (j = 0; j < sk_OPENSSL_STRING_num(emlst); j++)
773  BIO_printf(STDout, "%s\n",
774  sk_OPENSSL_STRING_value(emlst, j));
775  X509_email_free(emlst);
776  }
777  else if (aliasout == i)
778  {
779  unsigned char *alstr;
780  alstr = X509_alias_get0(x, NULL);
781  if (alstr) BIO_printf(STDout,"%s\n", alstr);
782  else BIO_puts(STDout,"<No Alias>\n");
783  }
784  else if (subject_hash == i)
785  {
786  BIO_printf(STDout,"%08lx\n",X509_subject_name_hash(x));
787  }
788 #ifndef OPENSSL_NO_MD5
789  else if (subject_hash_old == i)
790  {
791  BIO_printf(STDout,"%08lx\n",X509_subject_name_hash_old(x));
792  }
793 #endif
794  else if (issuer_hash == i)
795  {
796  BIO_printf(STDout,"%08lx\n",X509_issuer_name_hash(x));
797  }
798 #ifndef OPENSSL_NO_MD5
799  else if (issuer_hash_old == i)
800  {
801  BIO_printf(STDout,"%08lx\n",X509_issuer_name_hash_old(x));
802  }
803 #endif
804  else if (pprint == i)
805  {
806  X509_PURPOSE *ptmp;
807  int j;
808  BIO_printf(STDout, "Certificate purposes:\n");
809  for (j = 0; j < X509_PURPOSE_get_count(); j++)
810  {
811  ptmp = X509_PURPOSE_get0(j);
812  purpose_print(STDout, x, ptmp);
813  }
814  }
815  else
816  if (modulus == i)
817  {
818  EVP_PKEY *pkey;
819 
820  pkey=X509_get_pubkey(x);
821  if (pkey == NULL)
822  {
823  BIO_printf(bio_err,"Modulus=unavailable\n");
824  ERR_print_errors(bio_err);
825  goto end;
826  }
827  BIO_printf(STDout,"Modulus=");
828 #ifndef OPENSSL_NO_RSA
829  if (pkey->type == EVP_PKEY_RSA)
830  BN_print(STDout,pkey->pkey.rsa->n);
831  else
832 #endif
833 #ifndef OPENSSL_NO_DSA
834  if (pkey->type == EVP_PKEY_DSA)
835  BN_print(STDout,pkey->pkey.dsa->pub_key);
836  else
837 #endif
838  BIO_printf(STDout,"Wrong Algorithm type");
839  BIO_printf(STDout,"\n");
840  EVP_PKEY_free(pkey);
841  }
842  else
843  if (pubkey == i)
844  {
845  EVP_PKEY *pkey;
846 
847  pkey=X509_get_pubkey(x);
848  if (pkey == NULL)
849  {
850  BIO_printf(bio_err,"Error getting public key\n");
851  ERR_print_errors(bio_err);
852  goto end;
853  }
854  PEM_write_bio_PUBKEY(STDout, pkey);
855  EVP_PKEY_free(pkey);
856  }
857  else
858  if (C == i)
859  {
860  unsigned char *d;
861  char *m;
862  int y,z;
863 
864  X509_NAME_oneline(X509_get_subject_name(x),
865  buf,sizeof buf);
866  BIO_printf(STDout,"/* subject:%s */\n",buf);
867  m=X509_NAME_oneline(
868  X509_get_issuer_name(x),buf,
869  sizeof buf);
870  BIO_printf(STDout,"/* issuer :%s */\n",buf);
871 
872  z=i2d_X509(x,NULL);
873  m=OPENSSL_malloc(z);
874 
875  d=(unsigned char *)m;
876  z=i2d_X509_NAME(X509_get_subject_name(x),&d);
877  BIO_printf(STDout,"unsigned char XXX_subject_name[%d]={\n",z);
878  d=(unsigned char *)m;
879  for (y=0; y<z; y++)
880  {
881  BIO_printf(STDout,"0x%02X,",d[y]);
882  if ((y & 0x0f) == 0x0f) BIO_printf(STDout,"\n");
883  }
884  if (y%16 != 0) BIO_printf(STDout,"\n");
885  BIO_printf(STDout,"};\n");
886 
887  z=i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x),&d);
888  BIO_printf(STDout,"unsigned char XXX_public_key[%d]={\n",z);
889  d=(unsigned char *)m;
890  for (y=0; y<z; y++)
891  {
892  BIO_printf(STDout,"0x%02X,",d[y]);
893  if ((y & 0x0f) == 0x0f)
894  BIO_printf(STDout,"\n");
895  }
896  if (y%16 != 0) BIO_printf(STDout,"\n");
897  BIO_printf(STDout,"};\n");
898 
899  z=i2d_X509(x,&d);
900  BIO_printf(STDout,"unsigned char XXX_certificate[%d]={\n",z);
901  d=(unsigned char *)m;
902  for (y=0; y<z; y++)
903  {
904  BIO_printf(STDout,"0x%02X,",d[y]);
905  if ((y & 0x0f) == 0x0f)
906  BIO_printf(STDout,"\n");
907  }
908  if (y%16 != 0) BIO_printf(STDout,"\n");
909  BIO_printf(STDout,"};\n");
910 
911  OPENSSL_free(m);
912  }
913  else if (text == i)
914  {
915  X509_print_ex(out,x,nmflag, certflag);
916  }
917  else if (startdate == i)
918  {
919  BIO_puts(STDout,"notBefore=");
920  ASN1_TIME_print(STDout,X509_get_notBefore(x));
921  BIO_puts(STDout,"\n");
922  }
923  else if (enddate == i)
924  {
925  BIO_puts(STDout,"notAfter=");
926  ASN1_TIME_print(STDout,X509_get_notAfter(x));
927  BIO_puts(STDout,"\n");
928  }
929  else if (fingerprint == i)
930  {
931  int j;
932  unsigned int n;
933  unsigned char md[EVP_MAX_MD_SIZE];
934  const EVP_MD *fdig = digest;
935 
936  if (!fdig)
937  fdig = EVP_sha1();
938 
939  if (!X509_digest(x,fdig,md,&n))
940  {
941  BIO_printf(bio_err,"out of memory\n");
942  goto end;
943  }
944  BIO_printf(STDout,"%s Fingerprint=",
945  OBJ_nid2sn(EVP_MD_type(fdig)));
946  for (j=0; j<(int)n; j++)
947  {
948  BIO_printf(STDout,"%02X%c",md[j],
949  (j+1 == (int)n)
950  ?'\n':':');
951  }
952  }
953 
954  /* should be in the library */
955  else if ((sign_flag == i) && (x509req == 0))
956  {
957  BIO_printf(bio_err,"Getting Private key\n");
958  if (Upkey == NULL)
959  {
960  Upkey=load_key(bio_err,
961  keyfile, keyformat, 0,
962  passin, e, "Private key");
963  if (Upkey == NULL) goto end;
964  }
965 
966  assert(need_rand);
967  if (!sign(x,Upkey,days,clrext,digest,
968  extconf, extsect)) goto end;
969  }
970  else if (CA_flag == i)
971  {
972  BIO_printf(bio_err,"Getting CA Private Key\n");
973  if (CAkeyfile != NULL)
974  {
975  CApkey=load_key(bio_err,
976  CAkeyfile, CAkeyformat,
977  0, passin, e,
978  "CA Private Key");
979  if (CApkey == NULL) goto end;
980  }
981 
982  assert(need_rand);
983  if (!x509_certify(ctx,CAfile,digest,x,xca,
984  CApkey, sigopts,
985  CAserial,CA_createserial,days, clrext,
986  extconf, extsect, sno))
987  goto end;
988  }
989  else if (x509req == i)
990  {
991  EVP_PKEY *pk;
992 
993  BIO_printf(bio_err,"Getting request Private Key\n");
994  if (keyfile == NULL)
995  {
996  BIO_printf(bio_err,"no request key file specified\n");
997  goto end;
998  }
999  else
1000  {
1001  pk=load_key(bio_err,
1002  keyfile, keyformat, 0,
1003  passin, e, "request key");
1004  if (pk == NULL) goto end;
1005  }
1006 
1007  BIO_printf(bio_err,"Generating certificate request\n");
1008 
1009  rq=X509_to_X509_REQ(x,pk,digest);
1010  EVP_PKEY_free(pk);
1011  if (rq == NULL)
1012  {
1013  ERR_print_errors(bio_err);
1014  goto end;
1015  }
1016  if (!noout)
1017  {
1018  X509_REQ_print(out,rq);
1019  PEM_write_bio_X509_REQ(out,rq);
1020  }
1021  noout=1;
1022  }
1023  else if (ocspid == i)
1024  {
1025  X509_ocspid_print(out, x);
1026  }
1027  }
1028  }
1029 
1030  if (checkend)
1031  {
1032  time_t tcheck=time(NULL) + checkoffset;
1033 
1034  if (X509_cmp_time(X509_get_notAfter(x), &tcheck) < 0)
1035  {
1036  BIO_printf(out,"Certificate will expire\n");
1037  ret=1;
1038  }
1039  else
1040  {
1041  BIO_printf(out,"Certificate will not expire\n");
1042  ret=0;
1043  }
1044  goto end;
1045  }
1046 
1047  if (noout)
1048  {
1049  ret=0;
1050  goto end;
1051  }
1052 
1053  if (outformat == FORMAT_ASN1)
1054  i=i2d_X509_bio(out,x);
1055  else if (outformat == FORMAT_PEM)
1056  {
1057  if (trustout) i=PEM_write_bio_X509_AUX(out,x);
1058  else i=PEM_write_bio_X509(out,x);
1059  }
1060  else if (outformat == FORMAT_NETSCAPE)
1061  {
1062  NETSCAPE_X509 nx;
1063  ASN1_OCTET_STRING hdr;
1064 
1065  hdr.data=(unsigned char *)NETSCAPE_CERT_HDR;
1066  hdr.length=strlen(NETSCAPE_CERT_HDR);
1067  nx.header= &hdr;
1068  nx.cert=x;
1069 
1070  i=ASN1_item_i2d_bio(ASN1_ITEM_rptr(NETSCAPE_X509),out,&nx);
1071  }
1072  else {
1073  BIO_printf(bio_err,"bad output format specified for outfile\n");
1074  goto end;
1075  }
1076  if (!i)
1077  {
1078  BIO_printf(bio_err,"unable to write certificate\n");
1079  ERR_print_errors(bio_err);
1080  goto end;
1081  }
1082  ret=0;
1083 end:
1084  if (need_rand)
1085  app_RAND_write_file(NULL, bio_err);
1086  OBJ_cleanup();
1087  NCONF_free(extconf);
1088  BIO_free_all(out);
1089  BIO_free_all(STDout);
1090  X509_STORE_free(ctx);
1091  X509_REQ_free(req);
1092  X509_free(x);
1093  X509_free(xca);
1094  EVP_PKEY_free(Upkey);
1095  EVP_PKEY_free(CApkey);
1096  if (sigopts)
1097  sk_OPENSSL_STRING_free(sigopts);
1098  X509_REQ_free(rq);
1099  ASN1_INTEGER_free(sno);
1100  sk_ASN1_OBJECT_pop_free(trust, ASN1_OBJECT_free);
1101  sk_ASN1_OBJECT_pop_free(reject, ASN1_OBJECT_free);
1102  if (passin) OPENSSL_free(passin);
1103  apps_shutdown();
1104  OPENSSL_EXIT(ret);
1105  }
1106 
1107 static ASN1_INTEGER *x509_load_serial(char *CAfile, char *serialfile, int create)
1108  {
1109  char *buf = NULL, *p;
1110  ASN1_INTEGER *bs = NULL;
1111  BIGNUM *serial = NULL;
1112  size_t len;
1113 
1114  len = ((serialfile == NULL)
1115  ?(strlen(CAfile)+strlen(POSTFIX)+1)
1116  :(strlen(serialfile)))+1;
1117  buf=OPENSSL_malloc(len);
1118  if (buf == NULL) { BIO_printf(bio_err,"out of mem\n"); goto end; }
1119  if (serialfile == NULL)
1120  {
1121  BUF_strlcpy(buf,CAfile,len);
1122  for (p=buf; *p; p++)
1123  if (*p == '.')
1124  {
1125  *p='\0';
1126  break;
1127  }
1128  BUF_strlcat(buf,POSTFIX,len);
1129  }
1130  else
1131  BUF_strlcpy(buf,serialfile,len);
1132 
1133  serial = load_serial(buf, create, NULL);
1134  if (serial == NULL) goto end;
1135 
1136  if (!BN_add_word(serial,1))
1137  { BIO_printf(bio_err,"add_word failure\n"); goto end; }
1138 
1139  if (!save_serial(buf, NULL, serial, &bs)) goto end;
1140 
1141  end:
1142  if (buf) OPENSSL_free(buf);
1143  BN_free(serial);
1144  return bs;
1145  }
1146 
1147 static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
1148  X509 *x, X509 *xca, EVP_PKEY *pkey,
1149  STACK_OF(OPENSSL_STRING) *sigopts,
1150  char *serialfile, int create,
1151  int days, int clrext, CONF *conf, char *section,
1152  ASN1_INTEGER *sno)
1153  {
1154  int ret=0;
1155  ASN1_INTEGER *bs=NULL;
1156  X509_STORE_CTX xsc;
1157  EVP_PKEY *upkey;
1158 
1159  upkey = X509_get_pubkey(xca);
1160  EVP_PKEY_copy_parameters(upkey,pkey);
1161  EVP_PKEY_free(upkey);
1162 
1163  if(!X509_STORE_CTX_init(&xsc,ctx,x,NULL))
1164  {
1165  BIO_printf(bio_err,"Error initialising X509 store\n");
1166  goto end;
1167  }
1168  if (sno) bs = sno;
1169  else if (!(bs = x509_load_serial(CAfile, serialfile, create)))
1170  goto end;
1171 
1172 /* if (!X509_STORE_add_cert(ctx,x)) goto end;*/
1173 
1174  /* NOTE: this certificate can/should be self signed, unless it was
1175  * a certificate request in which case it is not. */
1176  X509_STORE_CTX_set_cert(&xsc,x);
1177  X509_STORE_CTX_set_flags(&xsc, X509_V_FLAG_CHECK_SS_SIGNATURE);
1178  if (!reqfile && X509_verify_cert(&xsc) <= 0)
1179  goto end;
1180 
1181  if (!X509_check_private_key(xca,pkey))
1182  {
1183  BIO_printf(bio_err,"CA certificate and CA private key do not match\n");
1184  goto end;
1185  }
1186 
1187  if (!X509_set_issuer_name(x,X509_get_subject_name(xca))) goto end;
1188  if (!X509_set_serialNumber(x,bs)) goto end;
1189 
1190  if (X509_gmtime_adj(X509_get_notBefore(x),0L) == NULL)
1191  goto end;
1192 
1193  /* hardwired expired */
1194  if (X509_time_adj_ex(X509_get_notAfter(x),days, 0, NULL) == NULL)
1195  goto end;
1196 
1197  if (clrext)
1198  {
1199  while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1200  }
1201 
1202  if (conf)
1203  {
1204  X509V3_CTX ctx2;
1205  X509_set_version(x,2); /* version 3 certificate */
1206  X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);
1207  X509V3_set_nconf(&ctx2, conf);
1208  if (!X509V3_EXT_add_nconf(conf, &ctx2, section, x)) goto end;
1209  }
1210 
1211  if (!do_X509_sign(bio_err, x, pkey, digest, sigopts))
1212  goto end;
1213  ret=1;
1214 end:
1215  X509_STORE_CTX_cleanup(&xsc);
1216  if (!ret)
1217  ERR_print_errors(bio_err);
1218  if (!sno) ASN1_INTEGER_free(bs);
1219  return ret;
1220  }
1221 
1222 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx)
1223  {
1224  int err;
1225  X509 *err_cert;
1226 
1227  /* it is ok to use a self signed certificate
1228  * This case will catch both the initial ok == 0 and the
1229  * final ok == 1 calls to this function */
1230  err=X509_STORE_CTX_get_error(ctx);
1231  if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
1232  return 1;
1233 
1234  /* BAD we should have gotten an error. Normally if everything
1235  * worked X509_STORE_CTX_get_error(ctx) will still be set to
1236  * DEPTH_ZERO_SELF_.... */
1237  if (ok)
1238  {
1239  BIO_printf(bio_err,"error with certificate to be certified - should be self signed\n");
1240  return 0;
1241  }
1242  else
1243  {
1244  err_cert=X509_STORE_CTX_get_current_cert(ctx);
1245  print_name(bio_err, NULL, X509_get_subject_name(err_cert),0);
1246  BIO_printf(bio_err,"error with certificate - error %d at depth %d\n%s\n",
1247  err,X509_STORE_CTX_get_error_depth(ctx),
1248  X509_verify_cert_error_string(err));
1249  return 1;
1250  }
1251  }
1252 
1253 /* self sign */
1254 static int sign(X509 *x, EVP_PKEY *pkey, int days, int clrext, const EVP_MD *digest,
1255  CONF *conf, char *section)
1256  {
1257 
1258  EVP_PKEY *pktmp;
1259 
1260  pktmp = X509_get_pubkey(x);
1261  EVP_PKEY_copy_parameters(pktmp,pkey);
1262  EVP_PKEY_save_parameters(pktmp,1);
1263  EVP_PKEY_free(pktmp);
1264 
1265  if (!X509_set_issuer_name(x,X509_get_subject_name(x))) goto err;
1266  if (X509_gmtime_adj(X509_get_notBefore(x),0) == NULL) goto err;
1267 
1268  /* Lets just make it 12:00am GMT, Jan 1 1970 */
1269  /* memcpy(x->cert_info->validity->notBefore,"700101120000Z",13); */
1270  /* 28 days to be certified */
1271 
1272  if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1273  goto err;
1274 
1275  if (!X509_set_pubkey(x,pkey)) goto err;
1276  if (clrext)
1277  {
1278  while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1279  }
1280  if (conf)
1281  {
1282  X509V3_CTX ctx;
1283  X509_set_version(x,2); /* version 3 certificate */
1284  X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0);
1285  X509V3_set_nconf(&ctx, conf);
1286  if (!X509V3_EXT_add_nconf(conf, &ctx, section, x)) goto err;
1287  }
1288  if (!X509_sign(x,pkey,digest)) goto err;
1289  return 1;
1290 err:
1291  ERR_print_errors(bio_err);
1292  return 0;
1293  }
1294 
1295 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt)
1296 {
1297  int id, i, idret;
1298  char *pname;
1299  id = X509_PURPOSE_get_id(pt);
1300  pname = X509_PURPOSE_get0_name(pt);
1301  for (i = 0; i < 2; i++)
1302  {
1303  idret = X509_check_purpose(cert, id, i);
1304  BIO_printf(bio, "%s%s : ", pname, i ? " CA" : "");
1305  if (idret == 1) BIO_printf(bio, "Yes\n");
1306  else if (idret == 0) BIO_printf(bio, "No\n");
1307  else BIO_printf(bio, "Yes (WARNING code=%d)\n", idret);
1308  }
1309  return 1;
1310 }
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