Small documentation change
[openssl.git] / apps / req.c
1 /* apps/req.c */
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 <stdio.h>
60 #include <stdlib.h>
61 #include <time.h>
62 #include <string.h>
63 #ifdef NO_STDIO
64 #define APPS_WIN16
65 #endif
66 #include "apps.h"
67 #include <openssl/bio.h>
68 #include <openssl/evp.h>
69 #include <openssl/conf.h>
70 #include <openssl/err.h>
71 #include <openssl/asn1.h>
72 #include <openssl/x509.h>
73 #include <openssl/x509v3.h>
74 #include <openssl/objects.h>
75 #include <openssl/pem.h>
76 #include <openssl/engine.h>
77
78 #define SECTION         "req"
79
80 #define BITS            "default_bits"
81 #define KEYFILE         "default_keyfile"
82 #define PROMPT          "prompt"
83 #define DISTINGUISHED_NAME      "distinguished_name"
84 #define ATTRIBUTES      "attributes"
85 #define V3_EXTENSIONS   "x509_extensions"
86 #define REQ_EXTENSIONS  "req_extensions"
87 #define STRING_MASK     "string_mask"
88
89 #define DEFAULT_KEY_LENGTH      512
90 #define MIN_KEY_LENGTH          384
91
92 #undef PROG
93 #define PROG    req_main
94
95 /* -inform arg  - input format - default PEM (DER or PEM)
96  * -outform arg - output format - default PEM
97  * -in arg      - input file - default stdin
98  * -out arg     - output file - default stdout
99  * -verify      - check request signature
100  * -noout       - don't print stuff out.
101  * -text        - print out human readable text.
102  * -nodes       - no des encryption
103  * -config file - Load configuration file.
104  * -key file    - make a request using key in file (or use it for verification).
105  * -keyform arg - key file format.
106  * -rand file(s) - load the file(s) into the PRNG.
107  * -newkey      - make a key and a request.
108  * -modulus     - print RSA modulus.
109  * -x509        - output a self signed X509 structure instead.
110  * -asn1-kludge - output new certificate request in a format that some CA's
111  *                require.  This format is wrong
112  */
113
114 static int make_REQ(X509_REQ *req,EVP_PKEY *pkey,int attribs);
115 static int prompt_info(X509_REQ *req,
116                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
117                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs);
118 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *sk,
119                                 STACK_OF(CONF_VALUE) *attr, int attribs);
120 static int add_attribute_object(X509_REQ *req, char *text,
121                                 char *def, char *value, int nid, int min,
122                                 int max);
123 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
124         int nid,int min,int max);
125 #ifndef NO_RSA
126 static void MS_CALLBACK req_cb(int p,int n,void *arg);
127 #endif
128 static int req_check_len(int len,int min,int max);
129 static int check_end(char *str, char *end);
130 #ifndef MONOLITH
131 static char *default_config_file=NULL;
132 static LHASH *config=NULL;
133 #endif
134 static LHASH *req_conf=NULL;
135
136 #define TYPE_RSA        1
137 #define TYPE_DSA        2
138 #define TYPE_DH         3
139
140 int MAIN(int, char **);
141
142 int MAIN(int argc, char **argv)
143         {
144         ENGINE *e = NULL;
145 #ifndef NO_DSA
146         DSA *dsa_params=NULL;
147 #endif
148         unsigned long nmflag = 0;
149         int ex=1,x509=0,days=30;
150         X509 *x509ss=NULL;
151         X509_REQ *req=NULL;
152         EVP_PKEY *pkey=NULL;
153         int i,badops=0,newreq=0,newkey= -1,pkey_type=0;
154         BIO *in=NULL,*out=NULL;
155         int informat,outformat,verify=0,noout=0,text=0,keyform=FORMAT_PEM;
156         int nodes=0,kludge=0,newhdr=0,subject=0;
157         char *infile,*outfile,*prog,*keyfile=NULL,*template=NULL,*keyout=NULL;
158         char *engine=NULL;
159         char *extensions = NULL;
160         char *req_exts = NULL;
161         EVP_CIPHER *cipher=NULL;
162         int modulus=0;
163         char *inrand=NULL;
164         char *passargin = NULL, *passargout = NULL;
165         char *passin = NULL, *passout = NULL;
166         char *p;
167         const EVP_MD *md_alg=NULL,*digest=EVP_md5();
168 #ifndef MONOLITH
169         MS_STATIC char config_name[256];
170 #endif
171
172         req_conf = NULL;
173 #ifndef NO_DES
174         cipher=EVP_des_ede3_cbc();
175 #endif
176         apps_startup();
177
178         if (bio_err == NULL)
179                 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
180                         BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
181
182         infile=NULL;
183         outfile=NULL;
184         informat=FORMAT_PEM;
185         outformat=FORMAT_PEM;
186
187         prog=argv[0];
188         argc--;
189         argv++;
190         while (argc >= 1)
191                 {
192                 if      (strcmp(*argv,"-inform") == 0)
193                         {
194                         if (--argc < 1) goto bad;
195                         informat=str2fmt(*(++argv));
196                         }
197                 else if (strcmp(*argv,"-outform") == 0)
198                         {
199                         if (--argc < 1) goto bad;
200                         outformat=str2fmt(*(++argv));
201                         }
202                 else if (strcmp(*argv,"-engine") == 0)
203                         {
204                         if (--argc < 1) goto bad;
205                         engine= *(++argv);
206                         }
207                 else if (strcmp(*argv,"-key") == 0)
208                         {
209                         if (--argc < 1) goto bad;
210                         keyfile= *(++argv);
211                         }
212                 else if (strcmp(*argv,"-new") == 0)
213                         {
214                         pkey_type=TYPE_RSA;
215                         newreq=1;
216                         }
217                 else if (strcmp(*argv,"-config") == 0)
218                         {       
219                         if (--argc < 1) goto bad;
220                         template= *(++argv);
221                         }
222                 else if (strcmp(*argv,"-keyform") == 0)
223                         {
224                         if (--argc < 1) goto bad;
225                         keyform=str2fmt(*(++argv));
226                         }
227                 else if (strcmp(*argv,"-in") == 0)
228                         {
229                         if (--argc < 1) goto bad;
230                         infile= *(++argv);
231                         }
232                 else if (strcmp(*argv,"-out") == 0)
233                         {
234                         if (--argc < 1) goto bad;
235                         outfile= *(++argv);
236                         }
237                 else if (strcmp(*argv,"-keyout") == 0)
238                         {
239                         if (--argc < 1) goto bad;
240                         keyout= *(++argv);
241                         }
242                 else if (strcmp(*argv,"-passin") == 0)
243                         {
244                         if (--argc < 1) goto bad;
245                         passargin= *(++argv);
246                         }
247                 else if (strcmp(*argv,"-passout") == 0)
248                         {
249                         if (--argc < 1) goto bad;
250                         passargout= *(++argv);
251                         }
252                 else if (strcmp(*argv,"-rand") == 0)
253                         {
254                         if (--argc < 1) goto bad;
255                         inrand= *(++argv);
256                         }
257                 else if (strcmp(*argv,"-newkey") == 0)
258                         {
259                         int is_numeric;
260
261                         if (--argc < 1) goto bad;
262                         p= *(++argv);
263                         is_numeric = p[0] >= '0' && p[0] <= '9';
264                         if (strncmp("rsa:",p,4) == 0 || is_numeric)
265                                 {
266                                 pkey_type=TYPE_RSA;
267                                 if(!is_numeric)
268                                     p+=4;
269                                 newkey= atoi(p);
270                                 }
271                         else
272 #ifndef NO_DSA
273                                 if (strncmp("dsa:",p,4) == 0)
274                                 {
275                                 X509 *xtmp=NULL;
276                                 EVP_PKEY *dtmp;
277
278                                 pkey_type=TYPE_DSA;
279                                 p+=4;
280                                 if ((in=BIO_new_file(p,"r")) == NULL)
281                                         {
282                                         perror(p);
283                                         goto end;
284                                         }
285                                 if ((dsa_params=PEM_read_bio_DSAparams(in,NULL,NULL,NULL)) == NULL)
286                                         {
287                                         ERR_clear_error();
288                                         (void)BIO_reset(in);
289                                         if ((xtmp=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL)
290                                                 {
291                                                 BIO_printf(bio_err,"unable to load DSA parameters from file\n");
292                                                 goto end;
293                                                 }
294
295                                         dtmp=X509_get_pubkey(xtmp);
296                                         if (dtmp->type == EVP_PKEY_DSA)
297                                                 dsa_params=DSAparams_dup(dtmp->pkey.dsa);
298                                         EVP_PKEY_free(dtmp);
299                                         X509_free(xtmp);
300                                         if (dsa_params == NULL)
301                                                 {
302                                                 BIO_printf(bio_err,"Certificate does not contain DSA parameters\n");
303                                                 goto end;
304                                                 }
305                                         }
306                                 BIO_free(in);
307                                 newkey=BN_num_bits(dsa_params->p);
308                                 in=NULL;
309                                 }
310                         else 
311 #endif
312 #ifndef NO_DH
313                                 if (strncmp("dh:",p,4) == 0)
314                                 {
315                                 pkey_type=TYPE_DH;
316                                 p+=3;
317                                 }
318                         else
319 #endif
320                                 pkey_type=TYPE_RSA;
321
322                         newreq=1;
323                         }
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,"-nameopt") == 0)
335                         {
336                         if (--argc < 1) goto bad;
337                         if (!set_name_ex(&nmflag, *(++argv))) goto bad;
338                         }
339                 else if (strcmp(*argv,"-subject") == 0)
340                         subject=1;
341                 else if (strcmp(*argv,"-text") == 0)
342                         text=1;
343                 else if (strcmp(*argv,"-x509") == 0)
344                         x509=1;
345                 else if (strcmp(*argv,"-asn1-kludge") == 0)
346                         kludge=1;
347                 else if (strcmp(*argv,"-no-asn1-kludge") == 0)
348                         kludge=0;
349                 else if (strcmp(*argv,"-days") == 0)
350                         {
351                         if (--argc < 1) goto bad;
352                         days= atoi(*(++argv));
353                         if (days == 0) days=30;
354                         }
355                 else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
356                         {
357                         /* ok */
358                         digest=md_alg;
359                         }
360                 else if (strcmp(*argv,"-extensions") == 0)
361                         {
362                         if (--argc < 1) goto bad;
363                         extensions = *(++argv);
364                         }
365                 else if (strcmp(*argv,"-reqexts") == 0)
366                         {
367                         if (--argc < 1) goto bad;
368                         req_exts = *(++argv);
369                         }
370                 else
371                         {
372                         BIO_printf(bio_err,"unknown option %s\n",*argv);
373                         badops=1;
374                         break;
375                         }
376                 argc--;
377                 argv++;
378                 }
379
380         if (badops)
381                 {
382 bad:
383                 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
384                 BIO_printf(bio_err,"where options  are\n");
385                 BIO_printf(bio_err," -inform arg    input format - DER or PEM\n");
386                 BIO_printf(bio_err," -outform arg   output format - DER or PEM\n");
387                 BIO_printf(bio_err," -in arg        input file\n");
388                 BIO_printf(bio_err," -out arg       output file\n");
389                 BIO_printf(bio_err," -text          text form of request\n");
390                 BIO_printf(bio_err," -noout         do not output REQ\n");
391                 BIO_printf(bio_err," -verify        verify signature on REQ\n");
392                 BIO_printf(bio_err," -modulus       RSA modulus\n");
393                 BIO_printf(bio_err," -nodes         don't encrypt the output key\n");
394                 BIO_printf(bio_err," -engine e      use engine e, possibly a hardware device.\n");
395                 BIO_printf(bio_err," -key file  use the private key contained in file\n");
396                 BIO_printf(bio_err," -keyform arg   key file format\n");
397                 BIO_printf(bio_err," -keyout arg    file to send the key to\n");
398                 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
399                 BIO_printf(bio_err,"                load the file (or the files in the directory) into\n");
400                 BIO_printf(bio_err,"                the random number generator\n");
401                 BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
402                 BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
403
404                 BIO_printf(bio_err," -[digest]      Digest to sign with (md5, sha1, md2, mdc2)\n");
405                 BIO_printf(bio_err," -config file   request template file.\n");
406                 BIO_printf(bio_err," -new           new request.\n");
407                 BIO_printf(bio_err," -x509          output a x509 structure instead of a cert. req.\n");
408                 BIO_printf(bio_err," -days          number of days a x509 generated by -x509 is valid for.\n");
409                 BIO_printf(bio_err," -newhdr        output \"NEW\" in the header lines\n");
410                 BIO_printf(bio_err," -asn1-kludge   Output the 'request' in a format that is wrong but some CA's\n");
411                 BIO_printf(bio_err,"                have been reported as requiring\n");
412                 BIO_printf(bio_err," -extensions .. specify certificate extension section (override value in config file)\n");
413                 BIO_printf(bio_err," -reqexts ..    specify request extension section (override value in config file)\n");
414                 goto end;
415                 }
416
417         ERR_load_crypto_strings();
418         if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
419                 BIO_printf(bio_err, "Error getting passwords\n");
420                 goto end;
421         }
422
423 #ifndef MONOLITH /* else this has happened in openssl.c (global `config') */
424         /* Lets load up our environment a little */
425         p=getenv("OPENSSL_CONF");
426         if (p == NULL)
427                 p=getenv("SSLEAY_CONF");
428         if (p == NULL)
429                 {
430                 strcpy(config_name,X509_get_default_cert_area());
431 #ifndef VMS
432                 strcat(config_name,"/");
433 #endif
434                 strcat(config_name,OPENSSL_CONF);
435                 p=config_name;
436                 }
437         default_config_file=p;
438         config=CONF_load(config,p,NULL);
439 #endif
440
441         if (template != NULL)
442                 {
443                 long errline;
444
445                 BIO_printf(bio_err,"Using configuration from %s\n",template);
446                 req_conf=CONF_load(NULL,template,&errline);
447                 if (req_conf == NULL)
448                         {
449                         BIO_printf(bio_err,"error on line %ld of %s\n",errline,template);
450                         goto end;
451                         }
452                 }
453         else
454                 {
455                 req_conf=config;
456                 BIO_printf(bio_err,"Using configuration from %s\n",
457                         default_config_file);
458                 if (req_conf == NULL)
459                         {
460                         BIO_printf(bio_err,"Unable to load config info\n");
461                         }
462                 }
463
464         if (req_conf != NULL)
465                 {
466                 p=CONF_get_string(req_conf,NULL,"oid_file");
467                 if (p != NULL)
468                         {
469                         BIO *oid_bio;
470
471                         oid_bio=BIO_new_file(p,"r");
472                         if (oid_bio == NULL) 
473                                 {
474                                 /*
475                                 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
476                                 ERR_print_errors(bio_err);
477                                 */
478                                 }
479                         else
480                                 {
481                                 OBJ_create_objects(oid_bio);
482                                 BIO_free(oid_bio);
483                                 }
484                         }
485                 }
486                 if(!add_oid_section(bio_err, req_conf)) goto end;
487
488         if ((md_alg == NULL) &&
489                 ((p=CONF_get_string(req_conf,SECTION,"default_md")) != NULL))
490                 {
491                 if ((md_alg=EVP_get_digestbyname(p)) != NULL)
492                         digest=md_alg;
493                 }
494
495         if(!extensions)
496                 extensions = CONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
497         if(extensions) {
498                 /* Check syntax of file */
499                 X509V3_CTX ctx;
500                 X509V3_set_ctx_test(&ctx);
501                 X509V3_set_conf_lhash(&ctx, req_conf);
502                 if(!X509V3_EXT_add_conf(req_conf, &ctx, extensions, NULL)) {
503                         BIO_printf(bio_err,
504                          "Error Loading extension section %s\n", extensions);
505                         goto end;
506                 }
507         }
508
509         if(!passin)
510                 passin = CONF_get_string(req_conf, SECTION, "input_password");
511
512         if(!passout)
513                 passout = CONF_get_string(req_conf, SECTION, "output_password");
514
515         p = CONF_get_string(req_conf, SECTION, STRING_MASK);
516
517         if(p && !ASN1_STRING_set_default_mask_asc(p)) {
518                 BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
519                 goto end;
520         }
521
522         if(!req_exts)
523                 req_exts = CONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
524         if(req_exts) {
525                 /* Check syntax of file */
526                 X509V3_CTX ctx;
527                 X509V3_set_ctx_test(&ctx);
528                 X509V3_set_conf_lhash(&ctx, req_conf);
529                 if(!X509V3_EXT_add_conf(req_conf, &ctx, req_exts, NULL)) {
530                         BIO_printf(bio_err,
531                          "Error Loading request extension section %s\n",
532                                                                 req_exts);
533                         goto end;
534                 }
535         }
536
537         in=BIO_new(BIO_s_file());
538         out=BIO_new(BIO_s_file());
539         if ((in == NULL) || (out == NULL))
540                 goto end;
541
542         if (engine != NULL)
543                 {
544                 if((e = ENGINE_by_id(engine)) == NULL)
545                         {
546                         BIO_printf(bio_err,"invalid engine \"%s\"\n",
547                                 engine);
548                         goto end;
549                         }
550                 if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
551                         {
552                         BIO_printf(bio_err,"can't use that engine\n");
553                         goto end;
554                         }
555                 BIO_printf(bio_err,"engine \"%s\" set.\n", engine);
556                 /* Free our "structural" reference. */
557                 ENGINE_free(e);
558                 }
559
560         if (keyfile != NULL)
561                 {
562                 if (keyform == FORMAT_ENGINE)
563                         {
564                         if (!e)
565                                 {
566                                 BIO_printf(bio_err,"no engine specified\n");
567                                 goto end;
568                                 }
569                         pkey = ENGINE_load_private_key(e, keyfile, NULL);
570                         }
571                 else
572                         {
573                         if (BIO_read_filename(in,keyfile) <= 0)
574                                 {
575                                 perror(keyfile);
576                                 goto end;
577                                 }
578
579                         if (keyform == FORMAT_ASN1)
580                                 pkey=d2i_PrivateKey_bio(in,NULL);
581                         else if (keyform == FORMAT_PEM)
582                                 {
583                                 pkey=PEM_read_bio_PrivateKey(in,NULL,NULL,
584                                         passin);
585                                 }
586                         else
587                                 {
588                                 BIO_printf(bio_err,"bad input format specified for X509 request\n");
589                                 goto end;
590                                 }
591                         }
592
593                 if (pkey == NULL)
594                         {
595                         BIO_printf(bio_err,"unable to load Private key\n");
596                         goto end;
597                         }
598                 if (EVP_PKEY_type(pkey->type) == EVP_PKEY_DSA)
599                         {
600                         char *randfile = CONF_get_string(req_conf,SECTION,"RANDFILE");
601                         app_RAND_load_file(randfile, bio_err, 0);
602                         }
603                 }
604
605         if (newreq && (pkey == NULL))
606                 {
607                 char *randfile = CONF_get_string(req_conf,SECTION,"RANDFILE");
608                 app_RAND_load_file(randfile, bio_err, 0);
609                 if (inrand)
610                         app_RAND_load_files(inrand);
611         
612                 if (newkey <= 0)
613                         {
614                         newkey=(int)CONF_get_number(req_conf,SECTION,BITS);
615                         if (newkey <= 0)
616                                 newkey=DEFAULT_KEY_LENGTH;
617                         }
618
619                 if (newkey < MIN_KEY_LENGTH)
620                         {
621                         BIO_printf(bio_err,"private key length is too short,\n");
622                         BIO_printf(bio_err,"it needs to be at least %d bits, not %d\n",MIN_KEY_LENGTH,newkey);
623                         goto end;
624                         }
625                 BIO_printf(bio_err,"Generating a %d bit %s private key\n",
626                         newkey,(pkey_type == TYPE_RSA)?"RSA":"DSA");
627
628                 if ((pkey=EVP_PKEY_new()) == NULL) goto end;
629
630 #ifndef NO_RSA
631                 if (pkey_type == TYPE_RSA)
632                         {
633                         if (!EVP_PKEY_assign_RSA(pkey,
634                                 RSA_generate_key(newkey,0x10001,
635                                         req_cb,bio_err)))
636                                 goto end;
637                         }
638                 else
639 #endif
640 #ifndef NO_DSA
641                         if (pkey_type == TYPE_DSA)
642                         {
643                         if (!DSA_generate_key(dsa_params)) goto end;
644                         if (!EVP_PKEY_assign_DSA(pkey,dsa_params)) goto end;
645                         dsa_params=NULL;
646                         }
647 #endif
648
649                 app_RAND_write_file(randfile, bio_err);
650
651                 if (pkey == NULL) goto end;
652
653                 if (keyout == NULL)
654                         keyout=CONF_get_string(req_conf,SECTION,KEYFILE);
655
656                 if (keyout == NULL)
657                         {
658                         BIO_printf(bio_err,"writing new private key to stdout\n");
659                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
660 #ifdef VMS
661                         {
662                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
663                         out = BIO_push(tmpbio, out);
664                         }
665 #endif
666                         }
667                 else
668                         {
669                         BIO_printf(bio_err,"writing new private key to '%s'\n",keyout);
670                         if (BIO_write_filename(out,keyout) <= 0)
671                                 {
672                                 perror(keyout);
673                                 goto end;
674                                 }
675                         }
676
677                 p=CONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
678                 if (p == NULL)
679                         p=CONF_get_string(req_conf,SECTION,"encrypt_key");
680                 if ((p != NULL) && (strcmp(p,"no") == 0))
681                         cipher=NULL;
682                 if (nodes) cipher=NULL;
683                 
684                 i=0;
685 loop:
686                 if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
687                         NULL,0,NULL,passout))
688                         {
689                         if ((ERR_GET_REASON(ERR_peek_error()) ==
690                                 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))
691                                 {
692                                 ERR_clear_error();
693                                 i++;
694                                 goto loop;
695                                 }
696                         goto end;
697                         }
698                 BIO_printf(bio_err,"-----\n");
699                 }
700
701         if (!newreq)
702                 {
703                 /* Since we are using a pre-existing certificate
704                  * request, the kludge 'format' info should not be
705                  * changed. */
706                 kludge= -1;
707                 if (infile == NULL)
708                         BIO_set_fp(in,stdin,BIO_NOCLOSE);
709                 else
710                         {
711                         if (BIO_read_filename(in,infile) <= 0)
712                                 {
713                                 perror(infile);
714                                 goto end;
715                                 }
716                         }
717
718                 if      (informat == FORMAT_ASN1)
719                         req=d2i_X509_REQ_bio(in,NULL);
720                 else if (informat == FORMAT_PEM)
721                         req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
722                 else
723                         {
724                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
725                         goto end;
726                         }
727                 if (req == NULL)
728                         {
729                         BIO_printf(bio_err,"unable to load X509 request\n");
730                         goto end;
731                         }
732                 }
733
734         if (newreq || x509)
735                 {
736 #ifndef NO_DSA
737                 if (pkey->type == EVP_PKEY_DSA)
738                         digest=EVP_dss1();
739 #endif
740
741                 if (pkey == NULL)
742                         {
743                         BIO_printf(bio_err,"you need to specify a private key\n");
744                         goto end;
745                         }
746                 if (req == NULL)
747                         {
748                         req=X509_REQ_new();
749                         if (req == NULL)
750                                 {
751                                 goto end;
752                                 }
753
754                         i=make_REQ(req,pkey,!x509);
755                         if (kludge >= 0)
756                                 req->req_info->req_kludge=kludge;
757                         if (!i)
758                                 {
759                                 BIO_printf(bio_err,"problems making Certificate Request\n");
760                                 goto end;
761                                 }
762                         }
763                 if (x509)
764                         {
765                         EVP_PKEY *tmppkey;
766                         X509V3_CTX ext_ctx;
767                         if ((x509ss=X509_new()) == NULL) goto end;
768
769                         /* Set version to V3 */
770                         if(!X509_set_version(x509ss, 2)) goto end;
771                         ASN1_INTEGER_set(X509_get_serialNumber(x509ss),0L);
772
773                         X509_set_issuer_name(x509ss,
774                                 X509_REQ_get_subject_name(req));
775                         X509_gmtime_adj(X509_get_notBefore(x509ss),0);
776                         X509_gmtime_adj(X509_get_notAfter(x509ss),
777                                 (long)60*60*24*days);
778                         X509_set_subject_name(x509ss,
779                                 X509_REQ_get_subject_name(req));
780                         tmppkey = X509_REQ_get_pubkey(req);
781                         X509_set_pubkey(x509ss,tmppkey);
782                         EVP_PKEY_free(tmppkey);
783
784                         /* Set up V3 context struct */
785
786                         X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
787                         X509V3_set_conf_lhash(&ext_ctx, req_conf);
788
789                         /* Add extensions */
790                         if(extensions && !X509V3_EXT_add_conf(req_conf, 
791                                         &ext_ctx, extensions, x509ss))
792                             {
793                             BIO_printf(bio_err,
794                                        "Error Loading extension section %s\n",
795                                        extensions);
796                             goto end;
797                             }
798
799                         if (!(i=X509_sign(x509ss,pkey,digest)))
800                                 goto end;
801                         }
802                 else
803                         {
804                         X509V3_CTX ext_ctx;
805
806                         /* Set up V3 context struct */
807
808                         X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
809                         X509V3_set_conf_lhash(&ext_ctx, req_conf);
810
811                         /* Add extensions */
812                         if(req_exts && !X509V3_EXT_REQ_add_conf(req_conf, 
813                                         &ext_ctx, req_exts, req))
814                             {
815                             BIO_printf(bio_err,
816                                        "Error Loading extension section %s\n",
817                                        req_exts);
818                             goto end;
819                             }
820                         if (!(i=X509_REQ_sign(req,pkey,digest)))
821                                 goto end;
822                         }
823                 }
824
825         if (verify && !x509)
826                 {
827                 int tmp=0;
828
829                 if (pkey == NULL)
830                         {
831                         pkey=X509_REQ_get_pubkey(req);
832                         tmp=1;
833                         if (pkey == NULL) goto end;
834                         }
835
836                 i=X509_REQ_verify(req,pkey);
837                 if (tmp) {
838                         EVP_PKEY_free(pkey);
839                         pkey=NULL;
840                 }
841
842                 if (i < 0)
843                         {
844                         goto end;
845                         }
846                 else if (i == 0)
847                         {
848                         BIO_printf(bio_err,"verify failure\n");
849                         }
850                 else /* if (i > 0) */
851                         BIO_printf(bio_err,"verify OK\n");
852                 }
853
854         if (noout && !text && !modulus && !subject)
855                 {
856                 ex=0;
857                 goto end;
858                 }
859
860         if (outfile == NULL)
861                 {
862                 BIO_set_fp(out,stdout,BIO_NOCLOSE);
863 #ifdef VMS
864                 {
865                 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
866                 out = BIO_push(tmpbio, out);
867                 }
868 #endif
869                 }
870         else
871                 {
872                 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
873                         i=(int)BIO_append_filename(out,outfile);
874                 else
875                         i=(int)BIO_write_filename(out,outfile);
876                 if (!i)
877                         {
878                         perror(outfile);
879                         goto end;
880                         }
881                 }
882
883         if (text)
884                 {
885                 if (x509)
886                         X509_print(out,x509ss);
887                 else    
888                         X509_REQ_print(out,req);
889                 }
890
891         if(subject) 
892                 {
893                 if(x509)
894                         print_name(out, "subject=", X509_get_subject_name(x509ss), nmflag);
895                 else
896                         print_name(out, "subject=", X509_REQ_get_subject_name(req), nmflag);
897                 }
898
899         if (modulus)
900                 {
901                 EVP_PKEY *pubkey;
902
903                 if (x509)
904                         pubkey=X509_get_pubkey(x509ss);
905                 else
906                         pubkey=X509_REQ_get_pubkey(req);
907                 if (pubkey == NULL)
908                         {
909                         fprintf(stdout,"Modulus=unavailable\n");
910                         goto end; 
911                         }
912                 fprintf(stdout,"Modulus=");
913 #ifndef NO_RSA
914                 if (pubkey->type == EVP_PKEY_RSA)
915                         BN_print(out,pubkey->pkey.rsa->n);
916                 else
917 #endif
918                         fprintf(stdout,"Wrong Algorithm type");
919                 fprintf(stdout,"\n");
920                 }
921
922         if (!noout && !x509)
923                 {
924                 if      (outformat == FORMAT_ASN1)
925                         i=i2d_X509_REQ_bio(out,req);
926                 else if (outformat == FORMAT_PEM) {
927                         if(newhdr) i=PEM_write_bio_X509_REQ_NEW(out,req);
928                         else i=PEM_write_bio_X509_REQ(out,req);
929                 } else {
930                         BIO_printf(bio_err,"bad output format specified for outfile\n");
931                         goto end;
932                         }
933                 if (!i)
934                         {
935                         BIO_printf(bio_err,"unable to write X509 request\n");
936                         goto end;
937                         }
938                 }
939         if (!noout && x509 && (x509ss != NULL))
940                 {
941                 if      (outformat == FORMAT_ASN1)
942                         i=i2d_X509_bio(out,x509ss);
943                 else if (outformat == FORMAT_PEM)
944                         i=PEM_write_bio_X509(out,x509ss);
945                 else    {
946                         BIO_printf(bio_err,"bad output format specified for outfile\n");
947                         goto end;
948                         }
949                 if (!i)
950                         {
951                         BIO_printf(bio_err,"unable to write X509 certificate\n");
952                         goto end;
953                         }
954                 }
955         ex=0;
956 end:
957         if (ex)
958                 {
959                 ERR_print_errors(bio_err);
960                 }
961         if ((req_conf != NULL) && (req_conf != config)) CONF_free(req_conf);
962         BIO_free(in);
963         BIO_free_all(out);
964         EVP_PKEY_free(pkey);
965         X509_REQ_free(req);
966         X509_free(x509ss);
967         if(passargin && passin) OPENSSL_free(passin);
968         if(passargout && passout) OPENSSL_free(passout);
969         OBJ_cleanup();
970 #ifndef NO_DSA
971         if (dsa_params != NULL) DSA_free(dsa_params);
972 #endif
973         EXIT(ex);
974         }
975
976 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, int attribs)
977         {
978         int ret=0,i;
979         char no_prompt = 0;
980         STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL;
981         char *tmp, *dn_sect,*attr_sect;
982
983         tmp=CONF_get_string(req_conf,SECTION,PROMPT);
984         if((tmp != NULL) && !strcmp(tmp, "no")) no_prompt = 1;
985
986         dn_sect=CONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
987         if (dn_sect == NULL)
988                 {
989                 BIO_printf(bio_err,"unable to find '%s' in config\n",
990                         DISTINGUISHED_NAME);
991                 goto err;
992                 }
993         dn_sk=CONF_get_section(req_conf,dn_sect);
994         if (dn_sk == NULL)
995                 {
996                 BIO_printf(bio_err,"unable to get '%s' section\n",dn_sect);
997                 goto err;
998                 }
999
1000         attr_sect=CONF_get_string(req_conf,SECTION,ATTRIBUTES);
1001         if (attr_sect == NULL)
1002                 attr_sk=NULL;
1003         else
1004                 {
1005                 attr_sk=CONF_get_section(req_conf,attr_sect);
1006                 if (attr_sk == NULL)
1007                         {
1008                         BIO_printf(bio_err,"unable to get '%s' section\n",attr_sect);
1009                         goto err;
1010                         }
1011                 }
1012
1013         /* setup version number */
1014         if (!X509_REQ_set_version(req,0L)) goto err; /* version 1 */
1015
1016         if(no_prompt) i = auto_info(req, dn_sk, attr_sk, attribs);
1017         else i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs);
1018         if(!i) goto err;
1019
1020         X509_REQ_set_pubkey(req,pkey);
1021
1022         ret=1;
1023 err:
1024         return(ret);
1025         }
1026
1027
1028 static int prompt_info(X509_REQ *req,
1029                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
1030                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs)
1031         {
1032         int i;
1033         char *p,*q;
1034         char buf[100];
1035         int nid,min,max;
1036         char *type,*def,*value;
1037         CONF_VALUE *v;
1038         X509_NAME *subj;
1039         subj = X509_REQ_get_subject_name(req);
1040         BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
1041         BIO_printf(bio_err,"into your certificate request.\n");
1042         BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
1043         BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
1044         BIO_printf(bio_err,"For some fields there will be a default value,\n");
1045         BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
1046         BIO_printf(bio_err,"-----\n");
1047
1048
1049         if (sk_CONF_VALUE_num(dn_sk))
1050                 {
1051                 i= -1;
1052 start:          for (;;)
1053                         {
1054                         i++;
1055                         if (sk_CONF_VALUE_num(dn_sk) <= i) break;
1056
1057                         v=sk_CONF_VALUE_value(dn_sk,i);
1058                         p=q=NULL;
1059                         type=v->name;
1060                         if(!check_end(type,"_min") || !check_end(type,"_max") ||
1061                                 !check_end(type,"_default") ||
1062                                          !check_end(type,"_value")) continue;
1063                         /* Skip past any leading X. X: X, etc to allow for
1064                          * multiple instances 
1065                          */
1066                         for(p = v->name; *p ; p++) 
1067                                 if ((*p == ':') || (*p == ',') ||
1068                                                          (*p == '.')) {
1069                                         p++;
1070                                         if(*p) type = p;
1071                                         break;
1072                                 }
1073                         /* If OBJ not recognised ignore it */
1074                         if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start;
1075                         sprintf(buf,"%s_default",v->name);
1076                         if ((def=CONF_get_string(req_conf,dn_sect,buf)) == NULL)
1077                                 def="";
1078                                 
1079                         sprintf(buf,"%s_value",v->name);
1080                         if ((value=CONF_get_string(req_conf,dn_sect,buf)) == NULL)
1081                                 value=NULL;
1082
1083                         sprintf(buf,"%s_min",v->name);
1084                         min=(int)CONF_get_number(req_conf,dn_sect,buf);
1085
1086                         sprintf(buf,"%s_max",v->name);
1087                         max=(int)CONF_get_number(req_conf,dn_sect,buf);
1088
1089                         if (!add_DN_object(subj,v->value,def,value,nid,
1090                                 min,max))
1091                                 return 0;
1092                         }
1093                 if (X509_NAME_entry_count(subj) == 0)
1094                         {
1095                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1096                         return 0;
1097                         }
1098
1099                 if (attribs)
1100                         {
1101                         if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0))
1102                                 {
1103                                 BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
1104                                 BIO_printf(bio_err,"to be sent with your certificate request\n");
1105                                 }
1106
1107                         i= -1;
1108 start2:                 for (;;)
1109                                 {
1110                                 i++;
1111                                 if ((attr_sk == NULL) ||
1112                                             (sk_CONF_VALUE_num(attr_sk) <= i))
1113                                         break;
1114
1115                                 v=sk_CONF_VALUE_value(attr_sk,i);
1116                                 type=v->name;
1117                                 if ((nid=OBJ_txt2nid(type)) == NID_undef)
1118                                         goto start2;
1119
1120                                 sprintf(buf,"%s_default",type);
1121                                 if ((def=CONF_get_string(req_conf,attr_sect,buf))
1122                                         == NULL)
1123                                         def="";
1124                                 
1125                                 sprintf(buf,"%s_value",type);
1126                                 if ((value=CONF_get_string(req_conf,attr_sect,buf))
1127                                         == NULL)
1128                                         value=NULL;
1129
1130                                 sprintf(buf,"%s_min",type);
1131                                 min=(int)CONF_get_number(req_conf,attr_sect,buf);
1132
1133                                 sprintf(buf,"%s_max",type);
1134                                 max=(int)CONF_get_number(req_conf,attr_sect,buf);
1135
1136                                 if (!add_attribute_object(req,
1137                                         v->value,def,value,nid,min,max))
1138                                         return 0;
1139                                 }
1140                         }
1141                 }
1142         else
1143                 {
1144                 BIO_printf(bio_err,"No template, please set one up.\n");
1145                 return 0;
1146                 }
1147
1148         return 1;
1149
1150         }
1151
1152 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
1153                         STACK_OF(CONF_VALUE) *attr_sk, int attribs)
1154         {
1155         int i;
1156         char *p,*q;
1157         char *type;
1158         CONF_VALUE *v;
1159         X509_NAME *subj;
1160
1161         subj = X509_REQ_get_subject_name(req);
1162
1163         for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++)
1164                 {
1165                 v=sk_CONF_VALUE_value(dn_sk,i);
1166                 p=q=NULL;
1167                 type=v->name;
1168                 /* Skip past any leading X. X: X, etc to allow for
1169                  * multiple instances 
1170                  */
1171                 for(p = v->name; *p ; p++) 
1172 #ifndef CHARSET_EBCDIC
1173                         if ((*p == ':') || (*p == ',') || (*p == '.')) {
1174 #else
1175                         if ((*p == os_toascii[':']) || (*p == os_toascii[',']) || (*p == os_toascii['.'])) {
1176 #endif
1177                                 p++;
1178                                 if(*p) type = p;
1179                                 break;
1180                         }
1181                 if (!X509_NAME_add_entry_by_txt(subj,type, MBSTRING_ASC,
1182                                 (unsigned char *) v->value,-1,-1,0)) return 0;
1183
1184                 }
1185
1186                 if (!X509_NAME_entry_count(subj))
1187                         {
1188                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1189                         return 0;
1190                         }
1191                 if (attribs)
1192                         {
1193                         for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++)
1194                                 {
1195                                 v=sk_CONF_VALUE_value(attr_sk,i);
1196                                 if(!X509_REQ_add1_attr_by_txt(req, v->name, MBSTRING_ASC,
1197                                         (unsigned char *)v->value, -1)) return 0;
1198                                 }
1199                         }
1200         return 1;
1201         }
1202
1203
1204 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
1205              int nid, int min, int max)
1206         {
1207         int i,ret=0;
1208         MS_STATIC char buf[1024];
1209 start:
1210         BIO_printf(bio_err,"%s [%s]:",text,def);
1211         (void)BIO_flush(bio_err);
1212         if (value != NULL)
1213                 {
1214                 strcpy(buf,value);
1215                 strcat(buf,"\n");
1216                 BIO_printf(bio_err,"%s\n",value);
1217                 }
1218         else
1219                 {
1220                 buf[0]='\0';
1221                 fgets(buf,1024,stdin);
1222                 }
1223
1224         if (buf[0] == '\0') return(0);
1225         else if (buf[0] == '\n')
1226                 {
1227                 if ((def == NULL) || (def[0] == '\0'))
1228                         return(1);
1229                 strcpy(buf,def);
1230                 strcat(buf,"\n");
1231                 }
1232         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1233
1234         i=strlen(buf);
1235         if (buf[i-1] != '\n')
1236                 {
1237                 BIO_printf(bio_err,"weird input :-(\n");
1238                 return(0);
1239                 }
1240         buf[--i]='\0';
1241
1242 #ifdef CHARSET_EBCDIC
1243         ebcdic2ascii(buf, buf, i);
1244 #endif
1245         if(!req_check_len(i, min, max)) goto start;
1246         if (!X509_NAME_add_entry_by_NID(n,nid, MBSTRING_ASC,
1247                                 (unsigned char *) buf, -1,-1,0)) goto err;
1248         ret=1;
1249 err:
1250         return(ret);
1251         }
1252
1253 static int add_attribute_object(X509_REQ *req, char *text,
1254                                 char *def, char *value, int nid, int min,
1255                                 int max)
1256         {
1257         int i;
1258         static char buf[1024];
1259
1260 start:
1261         BIO_printf(bio_err,"%s [%s]:",text,def);
1262         (void)BIO_flush(bio_err);
1263         if (value != NULL)
1264                 {
1265                 strcpy(buf,value);
1266                 strcat(buf,"\n");
1267                 BIO_printf(bio_err,"%s\n",value);
1268                 }
1269         else
1270                 {
1271                 buf[0]='\0';
1272                 fgets(buf,1024,stdin);
1273                 }
1274
1275         if (buf[0] == '\0') return(0);
1276         else if (buf[0] == '\n')
1277                 {
1278                 if ((def == NULL) || (def[0] == '\0'))
1279                         return(1);
1280                 strcpy(buf,def);
1281                 strcat(buf,"\n");
1282                 }
1283         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1284
1285         i=strlen(buf);
1286         if (buf[i-1] != '\n')
1287                 {
1288                 BIO_printf(bio_err,"weird input :-(\n");
1289                 return(0);
1290                 }
1291         buf[--i]='\0';
1292 #ifdef CHARSET_EBCDIC
1293         ebcdic2ascii(buf, buf, i);
1294 #endif
1295         if(!req_check_len(i, min, max)) goto start;
1296
1297         if(!X509_REQ_add1_attr_by_NID(req, nid, MBSTRING_ASC,
1298                                         (unsigned char *)buf, -1)) {
1299                 BIO_printf(bio_err, "Error adding attribute\n");
1300                 ERR_print_errors(bio_err);
1301                 goto err;
1302         }
1303
1304         return(1);
1305 err:
1306         return(0);
1307         }
1308
1309 #ifndef NO_RSA
1310 static void MS_CALLBACK req_cb(int p, int n, void *arg)
1311         {
1312         char c='*';
1313
1314         if (p == 0) c='.';
1315         if (p == 1) c='+';
1316         if (p == 2) c='*';
1317         if (p == 3) c='\n';
1318         BIO_write((BIO *)arg,&c,1);
1319         (void)BIO_flush((BIO *)arg);
1320 #ifdef LINT
1321         p=n;
1322 #endif
1323         }
1324 #endif
1325
1326 static int req_check_len(int len, int min, int max)
1327         {
1328         if (len < min)
1329                 {
1330                 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",min);
1331                 return(0);
1332                 }
1333         if ((max != 0) && (len > max))
1334                 {
1335                 BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",max);
1336                 return(0);
1337                 }
1338         return(1);
1339         }
1340
1341 /* Check if the end of a string matches 'end' */
1342 static int check_end(char *str, char *end)
1343 {
1344         int elen, slen; 
1345         char *tmp;
1346         elen = strlen(end);
1347         slen = strlen(str);
1348         if(elen > slen) return 1;
1349         tmp = str + slen - elen;
1350         return strcmp(tmp, end);
1351 }