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req.c
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1 /* apps/req.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 /* Until the key-gen callbacks are modified to use newer prototypes, we allow
60  * deprecated functions for openssl-internal code */
61 #ifdef OPENSSL_NO_DEPRECATED
62 #undef OPENSSL_NO_DEPRECATED
63 #endif
64 
65 #include <stdio.h>
66 #include <stdlib.h>
67 #include <time.h>
68 #include <string.h>
69 #ifdef OPENSSL_NO_STDIO
70 #define APPS_WIN16
71 #endif
72 #include "apps.h"
73 #include <openssl/bio.h>
74 #include <openssl/evp.h>
75 #include <openssl/conf.h>
76 #include <openssl/err.h>
77 #include <openssl/asn1.h>
78 #include <openssl/x509.h>
79 #include <openssl/x509v3.h>
80 #include <openssl/objects.h>
81 #include <openssl/pem.h>
82 #include <openssl/bn.h>
83 #ifndef OPENSSL_NO_RSA
84 #include <openssl/rsa.h>
85 #endif
86 #ifndef OPENSSL_NO_DSA
87 #include <openssl/dsa.h>
88 #endif
89 
90 #define SECTION "req"
91 
92 #define BITS "default_bits"
93 #define KEYFILE "default_keyfile"
94 #define PROMPT "prompt"
95 #define DISTINGUISHED_NAME "distinguished_name"
96 #define ATTRIBUTES "attributes"
97 #define V3_EXTENSIONS "x509_extensions"
98 #define REQ_EXTENSIONS "req_extensions"
99 #define STRING_MASK "string_mask"
100 #define UTF8_IN "utf8"
101 
102 #define DEFAULT_KEY_LENGTH 512
103 #define MIN_KEY_LENGTH 384
104 
105 #undef PROG
106 #define PROG req_main
107 
108 /* -inform arg - input format - default PEM (DER or PEM)
109  * -outform arg - output format - default PEM
110  * -in arg - input file - default stdin
111  * -out arg - output file - default stdout
112  * -verify - check request signature
113  * -noout - don't print stuff out.
114  * -text - print out human readable text.
115  * -nodes - no des encryption
116  * -config file - Load configuration file.
117  * -key file - make a request using key in file (or use it for verification).
118  * -keyform arg - key file format.
119  * -rand file(s) - load the file(s) into the PRNG.
120  * -newkey - make a key and a request.
121  * -modulus - print RSA modulus.
122  * -pubkey - output Public Key.
123  * -x509 - output a self signed X509 structure instead.
124  * -asn1-kludge - output new certificate request in a format that some CA's
125  * require. This format is wrong
126  */
127 
128 static int make_REQ(X509_REQ *req,EVP_PKEY *pkey,char *dn,int mutlirdn,
129  int attribs,unsigned long chtype);
130 static int build_subject(X509_REQ *req, char *subj, unsigned long chtype,
131  int multirdn);
132 static int prompt_info(X509_REQ *req,
133  STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
134  STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,
135  unsigned long chtype);
136 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *sk,
137  STACK_OF(CONF_VALUE) *attr, int attribs,
138  unsigned long chtype);
139 static int add_attribute_object(X509_REQ *req, char *text, const char *def,
140  char *value, int nid, int n_min,
141  int n_max, unsigned long chtype);
142 static int add_DN_object(X509_NAME *n, char *text, const char *def, char *value,
143  int nid,int n_min,int n_max, unsigned long chtype, int mval);
144 static int genpkey_cb(EVP_PKEY_CTX *ctx);
145 static int req_check_len(int len,int n_min,int n_max);
146 static int check_end(const char *str, const char *end);
147 static EVP_PKEY_CTX *set_keygen_ctx(BIO *err, const char *gstr, int *pkey_type,
148  long *pkeylen, char **palgnam,
149  ENGINE *keygen_engine);
150 #ifndef MONOLITH
151 static char *default_config_file=NULL;
152 #endif
153 static CONF *req_conf=NULL;
154 static int batch=0;
155 
156 int MAIN(int, char **);
157 
158 int MAIN(int argc, char **argv)
159  {
160  ENGINE *e = NULL, *gen_eng = NULL;
161  unsigned long nmflag = 0, reqflag = 0;
162  int ex=1,x509=0,days=30;
163  X509 *x509ss=NULL;
164  X509_REQ *req=NULL;
165  EVP_PKEY_CTX *genctx = NULL;
166  const char *keyalg = NULL;
167  char *keyalgstr = NULL;
168  STACK_OF(OPENSSL_STRING) *pkeyopts = NULL, *sigopts = NULL;
169  EVP_PKEY *pkey=NULL;
170  int i=0,badops=0,newreq=0,verbose=0,pkey_type=-1;
171  long newkey = -1;
172  BIO *in=NULL,*out=NULL;
173  int informat,outformat,verify=0,noout=0,text=0,keyform=FORMAT_PEM;
174  int nodes=0,kludge=0,newhdr=0,subject=0,pubkey=0;
175  char *infile,*outfile,*prog,*keyfile=NULL,*template=NULL,*keyout=NULL;
176 #ifndef OPENSSL_NO_ENGINE
177  char *engine=NULL;
178 #endif
179  char *extensions = NULL;
180  char *req_exts = NULL;
181  const EVP_CIPHER *cipher=NULL;
182  ASN1_INTEGER *serial = NULL;
183  int modulus=0;
184  char *inrand=NULL;
185  char *passargin = NULL, *passargout = NULL;
186  char *passin = NULL, *passout = NULL;
187  char *p;
188  char *subj = NULL;
189  int multirdn = 0;
190  const EVP_MD *md_alg=NULL,*digest=NULL;
191  unsigned long chtype = MBSTRING_ASC;
192 #ifndef MONOLITH
193  char *to_free;
194  long errline;
195 #endif
196 
197  req_conf = NULL;
198 #ifndef OPENSSL_NO_DES
199  cipher=EVP_des_ede3_cbc();
200 #endif
201  apps_startup();
202 
203  if (bio_err == NULL)
204  if ((bio_err=BIO_new(BIO_s_file())) != NULL)
205  BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
206 
207  infile=NULL;
208  outfile=NULL;
209  informat=FORMAT_PEM;
210  outformat=FORMAT_PEM;
211 
212  prog=argv[0];
213  argc--;
214  argv++;
215  while (argc >= 1)
216  {
217  if (strcmp(*argv,"-inform") == 0)
218  {
219  if (--argc < 1) goto bad;
220  informat=str2fmt(*(++argv));
221  }
222  else if (strcmp(*argv,"-outform") == 0)
223  {
224  if (--argc < 1) goto bad;
225  outformat=str2fmt(*(++argv));
226  }
227 #ifndef OPENSSL_NO_ENGINE
228  else if (strcmp(*argv,"-engine") == 0)
229  {
230  if (--argc < 1) goto bad;
231  engine= *(++argv);
232  }
233  else if (strcmp(*argv,"-keygen_engine") == 0)
234  {
235  if (--argc < 1) goto bad;
236  gen_eng = ENGINE_by_id(*(++argv));
237  if (gen_eng == NULL)
238  {
239  BIO_printf(bio_err, "Can't find keygen engine %s\n", *argv);
240  goto end;
241  }
242  }
243 #endif
244  else if (strcmp(*argv,"-key") == 0)
245  {
246  if (--argc < 1) goto bad;
247  keyfile= *(++argv);
248  }
249  else if (strcmp(*argv,"-pubkey") == 0)
250  {
251  pubkey=1;
252  }
253  else if (strcmp(*argv,"-new") == 0)
254  {
255  newreq=1;
256  }
257  else if (strcmp(*argv,"-config") == 0)
258  {
259  if (--argc < 1) goto bad;
260  template= *(++argv);
261  }
262  else if (strcmp(*argv,"-keyform") == 0)
263  {
264  if (--argc < 1) goto bad;
265  keyform=str2fmt(*(++argv));
266  }
267  else if (strcmp(*argv,"-in") == 0)
268  {
269  if (--argc < 1) goto bad;
270  infile= *(++argv);
271  }
272  else if (strcmp(*argv,"-out") == 0)
273  {
274  if (--argc < 1) goto bad;
275  outfile= *(++argv);
276  }
277  else if (strcmp(*argv,"-keyout") == 0)
278  {
279  if (--argc < 1) goto bad;
280  keyout= *(++argv);
281  }
282  else if (strcmp(*argv,"-passin") == 0)
283  {
284  if (--argc < 1) goto bad;
285  passargin= *(++argv);
286  }
287  else if (strcmp(*argv,"-passout") == 0)
288  {
289  if (--argc < 1) goto bad;
290  passargout= *(++argv);
291  }
292  else if (strcmp(*argv,"-rand") == 0)
293  {
294  if (--argc < 1) goto bad;
295  inrand= *(++argv);
296  }
297  else if (strcmp(*argv,"-newkey") == 0)
298  {
299  if (--argc < 1)
300  goto bad;
301  keyalg = *(++argv);
302  newreq=1;
303  }
304  else if (strcmp(*argv,"-pkeyopt") == 0)
305  {
306  if (--argc < 1)
307  goto bad;
308  if (!pkeyopts)
309  pkeyopts = sk_OPENSSL_STRING_new_null();
310  if (!pkeyopts || !sk_OPENSSL_STRING_push(pkeyopts, *(++argv)))
311  goto bad;
312  }
313  else if (strcmp(*argv,"-sigopt") == 0)
314  {
315  if (--argc < 1)
316  goto bad;
317  if (!sigopts)
318  sigopts = sk_OPENSSL_STRING_new_null();
319  if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, *(++argv)))
320  goto bad;
321  }
322  else if (strcmp(*argv,"-batch") == 0)
323  batch=1;
324  else if (strcmp(*argv,"-newhdr") == 0)
325  newhdr=1;
326  else if (strcmp(*argv,"-modulus") == 0)
327  modulus=1;
328  else if (strcmp(*argv,"-verify") == 0)
329  verify=1;
330  else if (strcmp(*argv,"-nodes") == 0)
331  nodes=1;
332  else if (strcmp(*argv,"-noout") == 0)
333  noout=1;
334  else if (strcmp(*argv,"-verbose") == 0)
335  verbose=1;
336  else if (strcmp(*argv,"-utf8") == 0)
337  chtype = MBSTRING_UTF8;
338  else if (strcmp(*argv,"-nameopt") == 0)
339  {
340  if (--argc < 1) goto bad;
341  if (!set_name_ex(&nmflag, *(++argv))) goto bad;
342  }
343  else if (strcmp(*argv,"-reqopt") == 0)
344  {
345  if (--argc < 1) goto bad;
346  if (!set_cert_ex(&reqflag, *(++argv))) goto bad;
347  }
348  else if (strcmp(*argv,"-subject") == 0)
349  subject=1;
350  else if (strcmp(*argv,"-text") == 0)
351  text=1;
352  else if (strcmp(*argv,"-x509") == 0)
353  x509=1;
354  else if (strcmp(*argv,"-asn1-kludge") == 0)
355  kludge=1;
356  else if (strcmp(*argv,"-no-asn1-kludge") == 0)
357  kludge=0;
358  else if (strcmp(*argv,"-subj") == 0)
359  {
360  if (--argc < 1) goto bad;
361  subj= *(++argv);
362  }
363  else if (strcmp(*argv,"-multivalue-rdn") == 0)
364  multirdn=1;
365  else if (strcmp(*argv,"-days") == 0)
366  {
367  if (--argc < 1) goto bad;
368  days= atoi(*(++argv));
369  if (days == 0) days=30;
370  }
371  else if (strcmp(*argv,"-set_serial") == 0)
372  {
373  if (--argc < 1) goto bad;
374  serial = s2i_ASN1_INTEGER(NULL, *(++argv));
375  if (!serial) goto bad;
376  }
377  else if (strcmp(*argv,"-extensions") == 0)
378  {
379  if (--argc < 1) goto bad;
380  extensions = *(++argv);
381  }
382  else if (strcmp(*argv,"-reqexts") == 0)
383  {
384  if (--argc < 1) goto bad;
385  req_exts = *(++argv);
386  }
387  else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
388  {
389  /* ok */
390  digest=md_alg;
391  }
392  else
393  {
394  BIO_printf(bio_err,"unknown option %s\n",*argv);
395  badops=1;
396  break;
397  }
398  argc--;
399  argv++;
400  }
401 
402  if (badops)
403  {
404 bad:
405  BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
406  BIO_printf(bio_err,"where options are\n");
407  BIO_printf(bio_err," -inform arg input format - DER or PEM\n");
408  BIO_printf(bio_err," -outform arg output format - DER or PEM\n");
409  BIO_printf(bio_err," -in arg input file\n");
410  BIO_printf(bio_err," -out arg output file\n");
411  BIO_printf(bio_err," -text text form of request\n");
412  BIO_printf(bio_err," -pubkey output public key\n");
413  BIO_printf(bio_err," -noout do not output REQ\n");
414  BIO_printf(bio_err," -verify verify signature on REQ\n");
415  BIO_printf(bio_err," -modulus RSA modulus\n");
416  BIO_printf(bio_err," -nodes don't encrypt the output key\n");
417 #ifndef OPENSSL_NO_ENGINE
418  BIO_printf(bio_err," -engine e use engine e, possibly a hardware device\n");
419 #endif
420  BIO_printf(bio_err," -subject output the request's subject\n");
421  BIO_printf(bio_err," -passin private key password source\n");
422  BIO_printf(bio_err," -key file use the private key contained in file\n");
423  BIO_printf(bio_err," -keyform arg key file format\n");
424  BIO_printf(bio_err," -keyout arg file to send the key to\n");
425  BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
426  BIO_printf(bio_err," load the file (or the files in the directory) into\n");
427  BIO_printf(bio_err," the random number generator\n");
428  BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
429  BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
430 #ifndef OPENSSL_NO_ECDSA
431  BIO_printf(bio_err," -newkey ec:file generate a new EC key, parameters taken from CA in 'file'\n");
432 #endif
433  BIO_printf(bio_err," -[digest] Digest to sign with (md5, sha1, md2, mdc2, md4)\n");
434  BIO_printf(bio_err," -config file request template file.\n");
435  BIO_printf(bio_err," -subj arg set or modify request subject\n");
436  BIO_printf(bio_err," -multivalue-rdn enable support for multivalued RDNs\n");
437  BIO_printf(bio_err," -new new request.\n");
438  BIO_printf(bio_err," -batch do not ask anything during request generation\n");
439  BIO_printf(bio_err," -x509 output a x509 structure instead of a cert. req.\n");
440  BIO_printf(bio_err," -days number of days a certificate generated by -x509 is valid for.\n");
441  BIO_printf(bio_err," -set_serial serial number to use for a certificate generated by -x509.\n");
442  BIO_printf(bio_err," -newhdr output \"NEW\" in the header lines\n");
443  BIO_printf(bio_err," -asn1-kludge Output the 'request' in a format that is wrong but some CA's\n");
444  BIO_printf(bio_err," have been reported as requiring\n");
445  BIO_printf(bio_err," -extensions .. specify certificate extension section (override value in config file)\n");
446  BIO_printf(bio_err," -reqexts .. specify request extension section (override value in config file)\n");
447  BIO_printf(bio_err," -utf8 input characters are UTF8 (default ASCII)\n");
448  BIO_printf(bio_err," -nameopt arg - various certificate name options\n");
449  BIO_printf(bio_err," -reqopt arg - various request text options\n\n");
450  goto end;
451  }
452 
453  ERR_load_crypto_strings();
454  if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
455  BIO_printf(bio_err, "Error getting passwords\n");
456  goto end;
457  }
458 
459 #ifndef MONOLITH /* else this has happened in openssl.c (global `config') */
460  /* Lets load up our environment a little */
461  p=getenv("OPENSSL_CONF");
462  if (p == NULL)
463  p=getenv("SSLEAY_CONF");
464  if (p == NULL)
465  p=to_free=make_config_name();
466  default_config_file=p;
467  config=NCONF_new(NULL);
468  i=NCONF_load(config, p, &errline);
469 #endif
470 
471  if (template != NULL)
472  {
473  long errline = -1;
474 
475  if( verbose )
476  BIO_printf(bio_err,"Using configuration from %s\n",template);
477  req_conf=NCONF_new(NULL);
478  i=NCONF_load(req_conf,template,&errline);
479  if (i == 0)
480  {
481  BIO_printf(bio_err,"error on line %ld of %s\n",errline,template);
482  goto end;
483  }
484  }
485  else
486  {
487  req_conf=config;
488 
489  if (req_conf == NULL)
490  {
491  BIO_printf(bio_err,"Unable to load config info from %s\n", default_config_file);
492  if (newreq)
493  goto end;
494  }
495  else if( verbose )
496  BIO_printf(bio_err,"Using configuration from %s\n",
497  default_config_file);
498  }
499 
500  if (req_conf != NULL)
501  {
502  if (!load_config(bio_err, req_conf))
503  goto end;
504  p=NCONF_get_string(req_conf,NULL,"oid_file");
505  if (p == NULL)
506  ERR_clear_error();
507  if (p != NULL)
508  {
509  BIO *oid_bio;
510 
511  oid_bio=BIO_new_file(p,"r");
512  if (oid_bio == NULL)
513  {
514  /*
515  BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
516  ERR_print_errors(bio_err);
517  */
518  }
519  else
520  {
521  OBJ_create_objects(oid_bio);
522  BIO_free(oid_bio);
523  }
524  }
525  }
526  if(!add_oid_section(bio_err, req_conf)) goto end;
527 
528  if (md_alg == NULL)
529  {
530  p=NCONF_get_string(req_conf,SECTION,"default_md");
531  if (p == NULL)
532  ERR_clear_error();
533  if (p != NULL)
534  {
535  if ((md_alg=EVP_get_digestbyname(p)) != NULL)
536  digest=md_alg;
537  }
538  }
539 
540  if (!extensions)
541  {
542  extensions = NCONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
543  if (!extensions)
544  ERR_clear_error();
545  }
546  if (extensions) {
547  /* Check syntax of file */
548  X509V3_CTX ctx;
549  X509V3_set_ctx_test(&ctx);
550  X509V3_set_nconf(&ctx, req_conf);
551  if(!X509V3_EXT_add_nconf(req_conf, &ctx, extensions, NULL)) {
552  BIO_printf(bio_err,
553  "Error Loading extension section %s\n", extensions);
554  goto end;
555  }
556  }
557 
558  if(!passin)
559  {
560  passin = NCONF_get_string(req_conf, SECTION, "input_password");
561  if (!passin)
562  ERR_clear_error();
563  }
564 
565  if(!passout)
566  {
567  passout = NCONF_get_string(req_conf, SECTION, "output_password");
568  if (!passout)
569  ERR_clear_error();
570  }
571 
572  p = NCONF_get_string(req_conf, SECTION, STRING_MASK);
573  if (!p)
574  ERR_clear_error();
575 
576  if(p && !ASN1_STRING_set_default_mask_asc(p)) {
577  BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
578  goto end;
579  }
580 
581  if (chtype != MBSTRING_UTF8)
582  {
583  p = NCONF_get_string(req_conf, SECTION, UTF8_IN);
584  if (!p)
585  ERR_clear_error();
586  else if (!strcmp(p, "yes"))
587  chtype = MBSTRING_UTF8;
588  }
589 
590 
591  if(!req_exts)
592  {
593  req_exts = NCONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
594  if (!req_exts)
595  ERR_clear_error();
596  }
597  if(req_exts) {
598  /* Check syntax of file */
599  X509V3_CTX ctx;
600  X509V3_set_ctx_test(&ctx);
601  X509V3_set_nconf(&ctx, req_conf);
602  if(!X509V3_EXT_add_nconf(req_conf, &ctx, req_exts, NULL)) {
603  BIO_printf(bio_err,
604  "Error Loading request extension section %s\n",
605  req_exts);
606  goto end;
607  }
608  }
609 
610  in=BIO_new(BIO_s_file());
611  out=BIO_new(BIO_s_file());
612  if ((in == NULL) || (out == NULL))
613  goto end;
614 
615 #ifndef OPENSSL_NO_ENGINE
616  e = setup_engine(bio_err, engine, 0);
617 #endif
618 
619  if (keyfile != NULL)
620  {
621  pkey = load_key(bio_err, keyfile, keyform, 0, passin, e,
622  "Private Key");
623  if (!pkey)
624  {
625  /* load_key() has already printed an appropriate
626  message */
627  goto end;
628  }
629  else
630  {
631  char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
632  if (randfile == NULL)
633  ERR_clear_error();
634  app_RAND_load_file(randfile, bio_err, 0);
635  }
636  }
637 
638  if (newreq && (pkey == NULL))
639  {
640  char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
641  if (randfile == NULL)
642  ERR_clear_error();
643  app_RAND_load_file(randfile, bio_err, 0);
644  if (inrand)
645  app_RAND_load_files(inrand);
646 
647  if (keyalg)
648  {
649  genctx = set_keygen_ctx(bio_err, keyalg, &pkey_type, &newkey,
650  &keyalgstr, gen_eng);
651  if (!genctx)
652  goto end;
653  }
654 
655  if (newkey <= 0)
656  {
657  if (!NCONF_get_number(req_conf,SECTION,BITS, &newkey))
658  newkey=DEFAULT_KEY_LENGTH;
659  }
660 
661  if (newkey < MIN_KEY_LENGTH && (pkey_type == EVP_PKEY_RSA || pkey_type == EVP_PKEY_DSA))
662  {
663  BIO_printf(bio_err,"private key length is too short,\n");
664  BIO_printf(bio_err,"it needs to be at least %d bits, not %ld\n",MIN_KEY_LENGTH,newkey);
665  goto end;
666  }
667 
668  if (!genctx)
669  {
670  genctx = set_keygen_ctx(bio_err, NULL, &pkey_type, &newkey,
671  &keyalgstr, gen_eng);
672  if (!genctx)
673  goto end;
674  }
675 
676  if (pkeyopts)
677  {
678  char *genopt;
679  for (i = 0; i < sk_OPENSSL_STRING_num(pkeyopts); i++)
680  {
681  genopt = sk_OPENSSL_STRING_value(pkeyopts, i);
682  if (pkey_ctrl_string(genctx, genopt) <= 0)
683  {
684  BIO_printf(bio_err,
685  "parameter error \"%s\"\n",
686  genopt);
687  ERR_print_errors(bio_err);
688  goto end;
689  }
690  }
691  }
692 
693  BIO_printf(bio_err,"Generating a %ld bit %s private key\n",
694  newkey, keyalgstr);
695 
696  EVP_PKEY_CTX_set_cb(genctx, genpkey_cb);
697  EVP_PKEY_CTX_set_app_data(genctx, bio_err);
698 
699  if (EVP_PKEY_keygen(genctx, &pkey) <= 0)
700  {
701  BIO_puts(bio_err, "Error Generating Key\n");
702  goto end;
703  }
704 
705  EVP_PKEY_CTX_free(genctx);
706  genctx = NULL;
707 
708  app_RAND_write_file(randfile, bio_err);
709 
710  if (keyout == NULL)
711  {
712  keyout=NCONF_get_string(req_conf,SECTION,KEYFILE);
713  if (keyout == NULL)
714  ERR_clear_error();
715  }
716 
717  if (keyout == NULL)
718  {
719  BIO_printf(bio_err,"writing new private key to stdout\n");
720  BIO_set_fp(out,stdout,BIO_NOCLOSE);
721 #ifdef OPENSSL_SYS_VMS
722  {
723  BIO *tmpbio = BIO_new(BIO_f_linebuffer());
724  out = BIO_push(tmpbio, out);
725  }
726 #endif
727  }
728  else
729  {
730  BIO_printf(bio_err,"writing new private key to '%s'\n",keyout);
731  if (BIO_write_filename(out,keyout) <= 0)
732  {
733  perror(keyout);
734  goto end;
735  }
736  }
737 
738  p=NCONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
739  if (p == NULL)
740  {
741  ERR_clear_error();
742  p=NCONF_get_string(req_conf,SECTION,"encrypt_key");
743  if (p == NULL)
744  ERR_clear_error();
745  }
746  if ((p != NULL) && (strcmp(p,"no") == 0))
747  cipher=NULL;
748  if (nodes) cipher=NULL;
749 
750  i=0;
751 loop:
752  if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
753  NULL,0,NULL,passout))
754  {
755  if ((ERR_GET_REASON(ERR_peek_error()) ==
756  PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))
757  {
758  ERR_clear_error();
759  i++;
760  goto loop;
761  }
762  goto end;
763  }
764  BIO_printf(bio_err,"-----\n");
765  }
766 
767  if (!newreq)
768  {
769  /* Since we are using a pre-existing certificate
770  * request, the kludge 'format' info should not be
771  * changed. */
772  kludge= -1;
773  if (infile == NULL)
774  BIO_set_fp(in,stdin,BIO_NOCLOSE);
775  else
776  {
777  if (BIO_read_filename(in,infile) <= 0)
778  {
779  perror(infile);
780  goto end;
781  }
782  }
783 
784  if (informat == FORMAT_ASN1)
785  req=d2i_X509_REQ_bio(in,NULL);
786  else if (informat == FORMAT_PEM)
787  req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
788  else
789  {
790  BIO_printf(bio_err,"bad input format specified for X509 request\n");
791  goto end;
792  }
793  if (req == NULL)
794  {
795  BIO_printf(bio_err,"unable to load X509 request\n");
796  goto end;
797  }
798  }
799 
800  if (newreq || x509)
801  {
802  if (pkey == NULL)
803  {
804  BIO_printf(bio_err,"you need to specify a private key\n");
805  goto end;
806  }
807 
808  if (req == NULL)
809  {
810  req=X509_REQ_new();
811  if (req == NULL)
812  {
813  goto end;
814  }
815 
816  i=make_REQ(req,pkey,subj,multirdn,!x509, chtype);
817  subj=NULL; /* done processing '-subj' option */
818  if ((kludge > 0) && !sk_X509_ATTRIBUTE_num(req->req_info->attributes))
819  {
820  sk_X509_ATTRIBUTE_free(req->req_info->attributes);
821  req->req_info->attributes = NULL;
822  }
823  if (!i)
824  {
825  BIO_printf(bio_err,"problems making Certificate Request\n");
826  goto end;
827  }
828  }
829  if (x509)
830  {
831  EVP_PKEY *tmppkey;
832  X509V3_CTX ext_ctx;
833  if ((x509ss=X509_new()) == NULL) goto end;
834 
835  /* Set version to V3 */
836  if(extensions && !X509_set_version(x509ss, 2)) goto end;
837  if (serial)
838  {
839  if (!X509_set_serialNumber(x509ss, serial)) goto end;
840  }
841  else
842  {
843  if (!rand_serial(NULL,
844  X509_get_serialNumber(x509ss)))
845  goto end;
846  }
847 
848  if (!X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
849  if (!X509_gmtime_adj(X509_get_notBefore(x509ss),0)) goto end;
850  if (!X509_time_adj_ex(X509_get_notAfter(x509ss), days, 0, NULL)) goto end;
851  if (!X509_set_subject_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
852  tmppkey = X509_REQ_get_pubkey(req);
853  if (!tmppkey || !X509_set_pubkey(x509ss,tmppkey)) goto end;
854  EVP_PKEY_free(tmppkey);
855 
856  /* Set up V3 context struct */
857 
858  X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
859  X509V3_set_nconf(&ext_ctx, req_conf);
860 
861  /* Add extensions */
862  if(extensions && !X509V3_EXT_add_nconf(req_conf,
863  &ext_ctx, extensions, x509ss))
864  {
865  BIO_printf(bio_err,
866  "Error Loading extension section %s\n",
867  extensions);
868  goto end;
869  }
870 
871  i=do_X509_sign(bio_err, x509ss, pkey, digest, sigopts);
872  if (!i)
873  {
874  ERR_print_errors(bio_err);
875  goto end;
876  }
877  }
878  else
879  {
880  X509V3_CTX ext_ctx;
881 
882  /* Set up V3 context struct */
883 
884  X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
885  X509V3_set_nconf(&ext_ctx, req_conf);
886 
887  /* Add extensions */
888  if(req_exts && !X509V3_EXT_REQ_add_nconf(req_conf,
889  &ext_ctx, req_exts, req))
890  {
891  BIO_printf(bio_err,
892  "Error Loading extension section %s\n",
893  req_exts);
894  goto end;
895  }
896  i=do_X509_REQ_sign(bio_err, req, pkey, digest, sigopts);
897  if (!i)
898  {
899  ERR_print_errors(bio_err);
900  goto end;
901  }
902  }
903  }
904 
905  if (subj && x509)
906  {
907  BIO_printf(bio_err, "Cannot modifiy certificate subject\n");
908  goto end;
909  }
910 
911  if (subj && !x509)
912  {
913  if (verbose)
914  {
915  BIO_printf(bio_err, "Modifying Request's Subject\n");
916  print_name(bio_err, "old subject=", X509_REQ_get_subject_name(req), nmflag);
917  }
918 
919  if (build_subject(req, subj, chtype, multirdn) == 0)
920  {
921  BIO_printf(bio_err, "ERROR: cannot modify subject\n");
922  ex=1;
923  goto end;
924  }
925 
926  req->req_info->enc.modified = 1;
927 
928  if (verbose)
929  {
930  print_name(bio_err, "new subject=", X509_REQ_get_subject_name(req), nmflag);
931  }
932  }
933 
934  if (verify && !x509)
935  {
936  int tmp=0;
937 
938  if (pkey == NULL)
939  {
940  pkey=X509_REQ_get_pubkey(req);
941  tmp=1;
942  if (pkey == NULL) goto end;
943  }
944 
945  i=X509_REQ_verify(req,pkey);
946  if (tmp) {
947  EVP_PKEY_free(pkey);
948  pkey=NULL;
949  }
950 
951  if (i < 0)
952  {
953  goto end;
954  }
955  else if (i == 0)
956  {
957  BIO_printf(bio_err,"verify failure\n");
958  ERR_print_errors(bio_err);
959  }
960  else /* if (i > 0) */
961  BIO_printf(bio_err,"verify OK\n");
962  }
963 
964  if (noout && !text && !modulus && !subject && !pubkey)
965  {
966  ex=0;
967  goto end;
968  }
969 
970  if (outfile == NULL)
971  {
972  BIO_set_fp(out,stdout,BIO_NOCLOSE);
973 #ifdef OPENSSL_SYS_VMS
974  {
975  BIO *tmpbio = BIO_new(BIO_f_linebuffer());
976  out = BIO_push(tmpbio, out);
977  }
978 #endif
979  }
980  else
981  {
982  if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
983  i=(int)BIO_append_filename(out,outfile);
984  else
985  i=(int)BIO_write_filename(out,outfile);
986  if (!i)
987  {
988  perror(outfile);
989  goto end;
990  }
991  }
992 
993  if (pubkey)
994  {
995  EVP_PKEY *tpubkey;
996  tpubkey=X509_REQ_get_pubkey(req);
997  if (tpubkey == NULL)
998  {
999  BIO_printf(bio_err,"Error getting public key\n");
1000  ERR_print_errors(bio_err);
1001  goto end;
1002  }
1003  PEM_write_bio_PUBKEY(out, tpubkey);
1004  EVP_PKEY_free(tpubkey);
1005  }
1006 
1007  if (text)
1008  {
1009  if (x509)
1010  X509_print_ex(out, x509ss, nmflag, reqflag);
1011  else
1012  X509_REQ_print_ex(out, req, nmflag, reqflag);
1013  }
1014 
1015  if(subject)
1016  {
1017  if(x509)
1018  print_name(out, "subject=", X509_get_subject_name(x509ss), nmflag);
1019  else
1020  print_name(out, "subject=", X509_REQ_get_subject_name(req), nmflag);
1021  }
1022 
1023  if (modulus)
1024  {
1025  EVP_PKEY *tpubkey;
1026 
1027  if (x509)
1028  tpubkey=X509_get_pubkey(x509ss);
1029  else
1030  tpubkey=X509_REQ_get_pubkey(req);
1031  if (tpubkey == NULL)
1032  {
1033  fprintf(stdout,"Modulus=unavailable\n");
1034  goto end;
1035  }
1036  fprintf(stdout,"Modulus=");
1037 #ifndef OPENSSL_NO_RSA
1038  if (EVP_PKEY_base_id(tpubkey) == EVP_PKEY_RSA)
1039  BN_print(out,tpubkey->pkey.rsa->n);
1040  else
1041 #endif
1042  fprintf(stdout,"Wrong Algorithm type");
1043  EVP_PKEY_free(tpubkey);
1044  fprintf(stdout,"\n");
1045  }
1046 
1047  if (!noout && !x509)
1048  {
1049  if (outformat == FORMAT_ASN1)
1050  i=i2d_X509_REQ_bio(out,req);
1051  else if (outformat == FORMAT_PEM) {
1052  if(newhdr) i=PEM_write_bio_X509_REQ_NEW(out,req);
1053  else i=PEM_write_bio_X509_REQ(out,req);
1054  } else {
1055  BIO_printf(bio_err,"bad output format specified for outfile\n");
1056  goto end;
1057  }
1058  if (!i)
1059  {
1060  BIO_printf(bio_err,"unable to write X509 request\n");
1061  goto end;
1062  }
1063  }
1064  if (!noout && x509 && (x509ss != NULL))
1065  {
1066  if (outformat == FORMAT_ASN1)
1067  i=i2d_X509_bio(out,x509ss);
1068  else if (outformat == FORMAT_PEM)
1069  i=PEM_write_bio_X509(out,x509ss);
1070  else {
1071  BIO_printf(bio_err,"bad output format specified for outfile\n");
1072  goto end;
1073  }
1074  if (!i)
1075  {
1076  BIO_printf(bio_err,"unable to write X509 certificate\n");
1077  goto end;
1078  }
1079  }
1080  ex=0;
1081 end:
1082 #ifndef MONOLITH
1083  if(to_free)
1084  OPENSSL_free(to_free);
1085 #endif
1086  if (ex)
1087  {
1088  ERR_print_errors(bio_err);
1089  }
1090  if ((req_conf != NULL) && (req_conf != config)) NCONF_free(req_conf);
1091  BIO_free(in);
1092  BIO_free_all(out);
1093  EVP_PKEY_free(pkey);
1094  if (genctx)
1095  EVP_PKEY_CTX_free(genctx);
1096  if (pkeyopts)
1097  sk_OPENSSL_STRING_free(pkeyopts);
1098  if (sigopts)
1099  sk_OPENSSL_STRING_free(sigopts);
1100 #ifndef OPENSSL_NO_ENGINE
1101  if (gen_eng)
1102  ENGINE_free(gen_eng);
1103 #endif
1104  if (keyalgstr)
1105  OPENSSL_free(keyalgstr);
1106  X509_REQ_free(req);
1107  X509_free(x509ss);
1108  ASN1_INTEGER_free(serial);
1109  if(passargin && passin) OPENSSL_free(passin);
1110  if(passargout && passout) OPENSSL_free(passout);
1111  OBJ_cleanup();
1112  apps_shutdown();
1113  OPENSSL_EXIT(ex);
1114  }
1115 
1116 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *subj, int multirdn,
1117  int attribs, unsigned long chtype)
1118  {
1119  int ret=0,i;
1120  char no_prompt = 0;
1121  STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL;
1122  char *tmp, *dn_sect,*attr_sect;
1123 
1124  tmp=NCONF_get_string(req_conf,SECTION,PROMPT);
1125  if (tmp == NULL)
1126  ERR_clear_error();
1127  if((tmp != NULL) && !strcmp(tmp, "no")) no_prompt = 1;
1128 
1129  dn_sect=NCONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
1130  if (dn_sect == NULL)
1131  {
1132  BIO_printf(bio_err,"unable to find '%s' in config\n",
1133  DISTINGUISHED_NAME);
1134  goto err;
1135  }
1136  dn_sk=NCONF_get_section(req_conf,dn_sect);
1137  if (dn_sk == NULL)
1138  {
1139  BIO_printf(bio_err,"unable to get '%s' section\n",dn_sect);
1140  goto err;
1141  }
1142 
1143  attr_sect=NCONF_get_string(req_conf,SECTION,ATTRIBUTES);
1144  if (attr_sect == NULL)
1145  {
1146  ERR_clear_error();
1147  attr_sk=NULL;
1148  }
1149  else
1150  {
1151  attr_sk=NCONF_get_section(req_conf,attr_sect);
1152  if (attr_sk == NULL)
1153  {
1154  BIO_printf(bio_err,"unable to get '%s' section\n",attr_sect);
1155  goto err;
1156  }
1157  }
1158 
1159  /* setup version number */
1160  if (!X509_REQ_set_version(req,0L)) goto err; /* version 1 */
1161 
1162  if (no_prompt)
1163  i = auto_info(req, dn_sk, attr_sk, attribs, chtype);
1164  else
1165  {
1166  if (subj)
1167  i = build_subject(req, subj, chtype, multirdn);
1168  else
1169  i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs, chtype);
1170  }
1171  if(!i) goto err;
1172 
1173  if (!X509_REQ_set_pubkey(req,pkey)) goto err;
1174 
1175  ret=1;
1176 err:
1177  return(ret);
1178  }
1179 
1180 /*
1181  * subject is expected to be in the format /type0=value0/type1=value1/type2=...
1182  * where characters may be escaped by \
1183  */
1184 static int build_subject(X509_REQ *req, char *subject, unsigned long chtype, int multirdn)
1185  {
1186  X509_NAME *n;
1187 
1188  if (!(n = parse_name(subject, chtype, multirdn)))
1189  return 0;
1190 
1191  if (!X509_REQ_set_subject_name(req, n))
1192  {
1193  X509_NAME_free(n);
1194  return 0;
1195  }
1196  X509_NAME_free(n);
1197  return 1;
1198 }
1199 
1200 
1201 static int prompt_info(X509_REQ *req,
1202  STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
1203  STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,
1204  unsigned long chtype)
1205  {
1206  int i;
1207  char *p,*q;
1208  char buf[100];
1209  int nid, mval;
1210  long n_min,n_max;
1211  char *type, *value;
1212  const char *def;
1213  CONF_VALUE *v;
1214  X509_NAME *subj;
1215  subj = X509_REQ_get_subject_name(req);
1216 
1217  if(!batch)
1218  {
1219  BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
1220  BIO_printf(bio_err,"into your certificate request.\n");
1221  BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
1222  BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
1223  BIO_printf(bio_err,"For some fields there will be a default value,\n");
1224  BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
1225  BIO_printf(bio_err,"-----\n");
1226  }
1227 
1228 
1229  if (sk_CONF_VALUE_num(dn_sk))
1230  {
1231  i= -1;
1232 start: for (;;)
1233  {
1234  i++;
1235  if (sk_CONF_VALUE_num(dn_sk) <= i) break;
1236 
1237  v=sk_CONF_VALUE_value(dn_sk,i);
1238  p=q=NULL;
1239  type=v->name;
1240  if(!check_end(type,"_min") || !check_end(type,"_max") ||
1241  !check_end(type,"_default") ||
1242  !check_end(type,"_value")) continue;
1243  /* Skip past any leading X. X: X, etc to allow for
1244  * multiple instances
1245  */
1246  for(p = v->name; *p ; p++)
1247  if ((*p == ':') || (*p == ',') ||
1248  (*p == '.')) {
1249  p++;
1250  if(*p) type = p;
1251  break;
1252  }
1253  if (*type == '+')
1254  {
1255  mval = -1;
1256  type++;
1257  }
1258  else
1259  mval = 0;
1260  /* If OBJ not recognised ignore it */
1261  if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start;
1262  if (BIO_snprintf(buf,sizeof buf,"%s_default",v->name)
1263  >= (int)sizeof(buf))
1264  {
1265  BIO_printf(bio_err,"Name '%s' too long\n",v->name);
1266  return 0;
1267  }
1268 
1269  if ((def=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1270  {
1271  ERR_clear_error();
1272  def="";
1273  }
1274 
1275  BIO_snprintf(buf,sizeof buf,"%s_value",v->name);
1276  if ((value=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1277  {
1278  ERR_clear_error();
1279  value=NULL;
1280  }
1281 
1282  BIO_snprintf(buf,sizeof buf,"%s_min",v->name);
1283  if (!NCONF_get_number(req_conf,dn_sect,buf, &n_min))
1284  {
1285  ERR_clear_error();
1286  n_min = -1;
1287  }
1288 
1289  BIO_snprintf(buf,sizeof buf,"%s_max",v->name);
1290  if (!NCONF_get_number(req_conf,dn_sect,buf, &n_max))
1291  {
1292  ERR_clear_error();
1293  n_max = -1;
1294  }
1295 
1296  if (!add_DN_object(subj,v->value,def,value,nid,
1297  n_min,n_max, chtype, mval))
1298  return 0;
1299  }
1300  if (X509_NAME_entry_count(subj) == 0)
1301  {
1302  BIO_printf(bio_err,"error, no objects specified in config file\n");
1303  return 0;
1304  }
1305 
1306  if (attribs)
1307  {
1308  if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0) && (!batch))
1309  {
1310  BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
1311  BIO_printf(bio_err,"to be sent with your certificate request\n");
1312  }
1313 
1314  i= -1;
1315 start2: for (;;)
1316  {
1317  i++;
1318  if ((attr_sk == NULL) ||
1319  (sk_CONF_VALUE_num(attr_sk) <= i))
1320  break;
1321 
1322  v=sk_CONF_VALUE_value(attr_sk,i);
1323  type=v->name;
1324  if ((nid=OBJ_txt2nid(type)) == NID_undef)
1325  goto start2;
1326 
1327  if (BIO_snprintf(buf,sizeof buf,"%s_default",type)
1328  >= (int)sizeof(buf))
1329  {
1330  BIO_printf(bio_err,"Name '%s' too long\n",v->name);
1331  return 0;
1332  }
1333 
1334  if ((def=NCONF_get_string(req_conf,attr_sect,buf))
1335  == NULL)
1336  {
1337  ERR_clear_error();
1338  def="";
1339  }
1340 
1341 
1342  BIO_snprintf(buf,sizeof buf,"%s_value",type);
1343  if ((value=NCONF_get_string(req_conf,attr_sect,buf))
1344  == NULL)
1345  {
1346  ERR_clear_error();
1347  value=NULL;
1348  }
1349 
1350  BIO_snprintf(buf,sizeof buf,"%s_min",type);
1351  if (!NCONF_get_number(req_conf,attr_sect,buf, &n_min))
1352  {
1353  ERR_clear_error();
1354  n_min = -1;
1355  }
1356 
1357  BIO_snprintf(buf,sizeof buf,"%s_max",type);
1358  if (!NCONF_get_number(req_conf,attr_sect,buf, &n_max))
1359  {
1360  ERR_clear_error();
1361  n_max = -1;
1362  }
1363 
1364  if (!add_attribute_object(req,
1365  v->value,def,value,nid,n_min,n_max, chtype))
1366  return 0;
1367  }
1368  }
1369  }
1370  else
1371  {
1372  BIO_printf(bio_err,"No template, please set one up.\n");
1373  return 0;
1374  }
1375 
1376  return 1;
1377 
1378  }
1379 
1380 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
1381  STACK_OF(CONF_VALUE) *attr_sk, int attribs, unsigned long chtype)
1382  {
1383  int i;
1384  char *p,*q;
1385  char *type;
1386  CONF_VALUE *v;
1387  X509_NAME *subj;
1388 
1389  subj = X509_REQ_get_subject_name(req);
1390 
1391  for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++)
1392  {
1393  int mval;
1394  v=sk_CONF_VALUE_value(dn_sk,i);
1395  p=q=NULL;
1396  type=v->name;
1397  /* Skip past any leading X. X: X, etc to allow for
1398  * multiple instances
1399  */
1400  for(p = v->name; *p ; p++)
1401 #ifndef CHARSET_EBCDIC
1402  if ((*p == ':') || (*p == ',') || (*p == '.')) {
1403 #else
1404  if ((*p == os_toascii[':']) || (*p == os_toascii[',']) || (*p == os_toascii['.'])) {
1405 #endif
1406  p++;
1407  if(*p) type = p;
1408  break;
1409  }
1410 #ifndef CHARSET_EBCDIC
1411  if (*p == '+')
1412 #else
1413  if (*p == os_toascii['+'])
1414 #endif
1415  {
1416  p++;
1417  mval = -1;
1418  }
1419  else
1420  mval = 0;
1421  if (!X509_NAME_add_entry_by_txt(subj,type, chtype,
1422  (unsigned char *) v->value,-1,-1,mval)) return 0;
1423 
1424  }
1425 
1426  if (!X509_NAME_entry_count(subj))
1427  {
1428  BIO_printf(bio_err,"error, no objects specified in config file\n");
1429  return 0;
1430  }
1431  if (attribs)
1432  {
1433  for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++)
1434  {
1435  v=sk_CONF_VALUE_value(attr_sk,i);
1436  if(!X509_REQ_add1_attr_by_txt(req, v->name, chtype,
1437  (unsigned char *)v->value, -1)) return 0;
1438  }
1439  }
1440  return 1;
1441  }
1442 
1443 
1444 static int add_DN_object(X509_NAME *n, char *text, const char *def, char *value,
1445  int nid, int n_min, int n_max, unsigned long chtype, int mval)
1446  {
1447  int i,ret=0;
1448  MS_STATIC char buf[1024];
1449 start:
1450  if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1451  (void)BIO_flush(bio_err);
1452  if(value != NULL)
1453  {
1454  BUF_strlcpy(buf,value,sizeof buf);
1455  BUF_strlcat(buf,"\n",sizeof buf);
1456  BIO_printf(bio_err,"%s\n",value);
1457  }
1458  else
1459  {
1460  buf[0]='\0';
1461  if (!batch)
1462  {
1463  if (!fgets(buf,sizeof buf,stdin))
1464  return 0;
1465  }
1466  else
1467  {
1468  buf[0] = '\n';
1469  buf[1] = '\0';
1470  }
1471  }
1472 
1473  if (buf[0] == '\0') return(0);
1474  else if (buf[0] == '\n')
1475  {
1476  if ((def == NULL) || (def[0] == '\0'))
1477  return(1);
1478  BUF_strlcpy(buf,def,sizeof buf);
1479  BUF_strlcat(buf,"\n",sizeof buf);
1480  }
1481  else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1482 
1483  i=strlen(buf);
1484  if (buf[i-1] != '\n')
1485  {
1486  BIO_printf(bio_err,"weird input :-(\n");
1487  return(0);
1488  }
1489  buf[--i]='\0';
1490 #ifdef CHARSET_EBCDIC
1491  ebcdic2ascii(buf, buf, i);
1492 #endif
1493  if(!req_check_len(i, n_min, n_max)) goto start;
1494  if (!X509_NAME_add_entry_by_NID(n,nid, chtype,
1495  (unsigned char *) buf, -1,-1,mval)) goto err;
1496  ret=1;
1497 err:
1498  return(ret);
1499  }
1500 
1501 static int add_attribute_object(X509_REQ *req, char *text, const char *def,
1502  char *value, int nid, int n_min,
1503  int n_max, unsigned long chtype)
1504  {
1505  int i;
1506  static char buf[1024];
1507 
1508 start:
1509  if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1510  (void)BIO_flush(bio_err);
1511  if (value != NULL)
1512  {
1513  BUF_strlcpy(buf,value,sizeof buf);
1514  BUF_strlcat(buf,"\n",sizeof buf);
1515  BIO_printf(bio_err,"%s\n",value);
1516  }
1517  else
1518  {
1519  buf[0]='\0';
1520  if (!batch)
1521  {
1522  if (!fgets(buf,sizeof buf,stdin))
1523  return 0;
1524  }
1525  else
1526  {
1527  buf[0] = '\n';
1528  buf[1] = '\0';
1529  }
1530  }
1531 
1532  if (buf[0] == '\0') return(0);
1533  else if (buf[0] == '\n')
1534  {
1535  if ((def == NULL) || (def[0] == '\0'))
1536  return(1);
1537  BUF_strlcpy(buf,def,sizeof buf);
1538  BUF_strlcat(buf,"\n",sizeof buf);
1539  }
1540  else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1541 
1542  i=strlen(buf);
1543  if (buf[i-1] != '\n')
1544  {
1545  BIO_printf(bio_err,"weird input :-(\n");
1546  return(0);
1547  }
1548  buf[--i]='\0';
1549 #ifdef CHARSET_EBCDIC
1550  ebcdic2ascii(buf, buf, i);
1551 #endif
1552  if(!req_check_len(i, n_min, n_max)) goto start;
1553 
1554  if(!X509_REQ_add1_attr_by_NID(req, nid, chtype,
1555  (unsigned char *)buf, -1)) {
1556  BIO_printf(bio_err, "Error adding attribute\n");
1557  ERR_print_errors(bio_err);
1558  goto err;
1559  }
1560 
1561  return(1);
1562 err:
1563  return(0);
1564  }
1565 
1566 static int req_check_len(int len, int n_min, int n_max)
1567  {
1568  if ((n_min > 0) && (len < n_min))
1569  {
1570  BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",n_min);
1571  return(0);
1572  }
1573  if ((n_max >= 0) && (len > n_max))
1574  {
1575  BIO_printf(bio_err,"string is too long, it needs to be less than %d bytes long\n",n_max);
1576  return(0);
1577  }
1578  return(1);
1579  }
1580 
1581 /* Check if the end of a string matches 'end' */
1582 static int check_end(const char *str, const char *end)
1583 {
1584  int elen, slen;
1585  const char *tmp;
1586  elen = strlen(end);
1587  slen = strlen(str);
1588  if(elen > slen) return 1;
1589  tmp = str + slen - elen;
1590  return strcmp(tmp, end);
1591 }
1592 
1593 static EVP_PKEY_CTX *set_keygen_ctx(BIO *err, const char *gstr, int *pkey_type,
1594  long *pkeylen, char **palgnam,
1595  ENGINE *keygen_engine)
1596  {
1597  EVP_PKEY_CTX *gctx = NULL;
1598  EVP_PKEY *param = NULL;
1599  long keylen = -1;
1600  BIO *pbio = NULL;
1601  const char *paramfile = NULL;
1602 
1603  if (gstr == NULL)
1604  {
1605  *pkey_type = EVP_PKEY_RSA;
1606  keylen = *pkeylen;
1607  }
1608  else if (gstr[0] >= '0' && gstr[0] <= '9')
1609  {
1610  *pkey_type = EVP_PKEY_RSA;
1611  keylen = atol(gstr);
1612  *pkeylen = keylen;
1613  }
1614  else if (!strncmp(gstr, "param:", 6))
1615  paramfile = gstr + 6;
1616  else
1617  {
1618  const char *p = strchr(gstr, ':');
1619  int len;
1620  ENGINE *tmpeng;
1621  const EVP_PKEY_ASN1_METHOD *ameth;
1622 
1623  if (p)
1624  len = p - gstr;
1625  else
1626  len = strlen(gstr);
1627  /* The lookup of a the string will cover all engines so
1628  * keep a note of the implementation.
1629  */
1630 
1631  ameth = EVP_PKEY_asn1_find_str(&tmpeng, gstr, len);
1632 
1633  if (!ameth)
1634  {
1635  BIO_printf(err, "Unknown algorithm %.*s\n", len, gstr);
1636  return NULL;
1637  }
1638 
1639  EVP_PKEY_asn1_get0_info(NULL, pkey_type, NULL, NULL, NULL,
1640  ameth);
1641 #ifndef OPENSSL_NO_ENGINE
1642  if (tmpeng)
1643  ENGINE_finish(tmpeng);
1644 #endif
1645  if (*pkey_type == EVP_PKEY_RSA)
1646  {
1647  if (p)
1648  {
1649  keylen = atol(p + 1);
1650  *pkeylen = keylen;
1651  }
1652  }
1653  else if (p)
1654  paramfile = p + 1;
1655  }
1656 
1657  if (paramfile)
1658  {
1659  pbio = BIO_new_file(paramfile, "r");
1660  if (!pbio)
1661  {
1662  BIO_printf(err, "Can't open parameter file %s\n",
1663  paramfile);
1664  return NULL;
1665  }
1666  param = PEM_read_bio_Parameters(pbio, NULL);
1667 
1668  if (!param)
1669  {
1670  X509 *x;
1671  (void)BIO_reset(pbio);
1672  x = PEM_read_bio_X509(pbio, NULL, NULL, NULL);
1673  if (x)
1674  {
1675  param = X509_get_pubkey(x);
1676  X509_free(x);
1677  }
1678  }
1679 
1680  BIO_free(pbio);
1681 
1682  if (!param)
1683  {
1684  BIO_printf(err, "Error reading parameter file %s\n",
1685  paramfile);
1686  return NULL;
1687  }
1688  if (*pkey_type == -1)
1689  *pkey_type = EVP_PKEY_id(param);
1690  else if (*pkey_type != EVP_PKEY_base_id(param))
1691  {
1692  BIO_printf(err, "Key Type does not match parameters\n");
1693  EVP_PKEY_free(param);
1694  return NULL;
1695  }
1696  }
1697 
1698  if (palgnam)
1699  {
1700  const EVP_PKEY_ASN1_METHOD *ameth;
1701  ENGINE *tmpeng;
1702  const char *anam;
1703  ameth = EVP_PKEY_asn1_find(&tmpeng, *pkey_type);
1704  if (!ameth)
1705  {
1706  BIO_puts(err, "Internal error: can't find key algorithm\n");
1707  return NULL;
1708  }
1709  EVP_PKEY_asn1_get0_info(NULL, NULL, NULL, NULL, &anam, ameth);
1710  *palgnam = BUF_strdup(anam);
1711 #ifndef OPENSSL_NO_ENGINE
1712  if (tmpeng)
1713  ENGINE_finish(tmpeng);
1714 #endif
1715  }
1716 
1717  if (param)
1718  {
1719  gctx = EVP_PKEY_CTX_new(param, keygen_engine);
1720  *pkeylen = EVP_PKEY_bits(param);
1721  EVP_PKEY_free(param);
1722  }
1723  else
1724  gctx = EVP_PKEY_CTX_new_id(*pkey_type, keygen_engine);
1725 
1726  if (!gctx)
1727  {
1728  BIO_puts(err, "Error allocating keygen context\n");
1729  ERR_print_errors(err);
1730  return NULL;
1731  }
1732 
1733  if (EVP_PKEY_keygen_init(gctx) <= 0)
1734  {
1735  BIO_puts(err, "Error initializing keygen context\n");
1736  ERR_print_errors(err);
1737  return NULL;
1738  }
1739 #ifndef OPENSSL_NO_RSA
1740  if ((*pkey_type == EVP_PKEY_RSA) && (keylen != -1))
1741  {
1742  if (EVP_PKEY_CTX_set_rsa_keygen_bits(gctx, keylen) <= 0)
1743  {
1744  BIO_puts(err, "Error setting RSA keysize\n");
1745  ERR_print_errors(err);
1746  EVP_PKEY_CTX_free(gctx);
1747  return NULL;
1748  }
1749  }
1750 #endif
1751 
1752  return gctx;
1753  }
1754 
1755 static int genpkey_cb(EVP_PKEY_CTX *ctx)
1756  {
1757  char c='*';
1758  BIO *b = EVP_PKEY_CTX_get_app_data(ctx);
1759  int p;
1760  p = EVP_PKEY_CTX_get_keygen_info(ctx, 0);
1761  if (p == 0) c='.';
1762  if (p == 1) c='+';
1763  if (p == 2) c='*';
1764  if (p == 3) c='\n';
1765  BIO_write(b,&c,1);
1766  (void)BIO_flush(b);
1767 #ifdef LINT
1768  p=n;
1769 #endif
1770  return 1;
1771  }
1772 
1773 static int do_sign_init(BIO *err, EVP_MD_CTX *ctx, EVP_PKEY *pkey,
1774  const EVP_MD *md, STACK_OF(OPENSSL_STRING) *sigopts)
1775  {
1776  EVP_PKEY_CTX *pkctx = NULL;
1777  int i;
1778  EVP_MD_CTX_init(ctx);
1779  if (!EVP_DigestSignInit(ctx, &pkctx, md, NULL, pkey))
1780  return 0;
1781  for (i = 0; i < sk_OPENSSL_STRING_num(sigopts); i++)
1782  {
1783  char *sigopt = sk_OPENSSL_STRING_value(sigopts, i);
1784  if (pkey_ctrl_string(pkctx, sigopt) <= 0)
1785  {
1786  BIO_printf(err, "parameter error \"%s\"\n", sigopt);
1787  ERR_print_errors(bio_err);
1788  return 0;
1789  }
1790  }
1791  return 1;
1792  }
1793 
1794 int do_X509_sign(BIO *err, X509 *x, EVP_PKEY *pkey, const EVP_MD *md,
1795  STACK_OF(OPENSSL_STRING) *sigopts)
1796  {
1797  int rv;
1798  EVP_MD_CTX mctx;
1799  EVP_MD_CTX_init(&mctx);
1800  rv = do_sign_init(err, &mctx, pkey, md, sigopts);
1801  if (rv > 0)
1802  rv = X509_sign_ctx(x, &mctx);
1803  EVP_MD_CTX_cleanup(&mctx);
1804  return rv > 0 ? 1 : 0;
1805  }
1806 
1807 
1808 int do_X509_REQ_sign(BIO *err, X509_REQ *x, EVP_PKEY *pkey, const EVP_MD *md,
1809  STACK_OF(OPENSSL_STRING) *sigopts)
1810  {
1811  int rv;
1812  EVP_MD_CTX mctx;
1813  EVP_MD_CTX_init(&mctx);
1814  rv = do_sign_init(err, &mctx, pkey, md, sigopts);
1815  if (rv > 0)
1816  rv = X509_REQ_sign_ctx(x, &mctx);
1817  EVP_MD_CTX_cleanup(&mctx);
1818  return rv > 0 ? 1 : 0;
1819  }
1820 
1821 
1822 
1823 int do_X509_CRL_sign(BIO *err, X509_CRL *x, EVP_PKEY *pkey, const EVP_MD *md,
1824  STACK_OF(OPENSSL_STRING) *sigopts)
1825  {
1826  int rv;
1827  EVP_MD_CTX mctx;
1828  EVP_MD_CTX_init(&mctx);
1829  rv = do_sign_init(err, &mctx, pkey, md, sigopts);
1830  if (rv > 0)
1831  rv = X509_CRL_sign_ctx(x, &mctx);
1832  EVP_MD_CTX_cleanup(&mctx);
1833  return rv > 0 ? 1 : 0;
1834  }
1835 
1836 
Generated on Thu Jan 10 2013 09:53:32 for OpenSSL by   doxygen 1.8.2