Merge from vendor branch FILE:
[dragonfly.git] / crypto / openssl-0.9.7e / apps / apps.c
1 /* apps/apps.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  * Copyright (c) 1998-2001 The OpenSSL Project.  All rights reserved.
60  *
61  * Redistribution and use in source and binary forms, with or without
62  * modification, are permitted provided that the following conditions
63  * are met:
64  *
65  * 1. Redistributions of source code must retain the above copyright
66  *    notice, this list of conditions and the following disclaimer. 
67  *
68  * 2. Redistributions in binary form must reproduce the above copyright
69  *    notice, this list of conditions and the following disclaimer in
70  *    the documentation and/or other materials provided with the
71  *    distribution.
72  *
73  * 3. All advertising materials mentioning features or use of this
74  *    software must display the following acknowledgment:
75  *    "This product includes software developed by the OpenSSL Project
76  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
77  *
78  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
79  *    endorse or promote products derived from this software without
80  *    prior written permission. For written permission, please contact
81  *    openssl-core@openssl.org.
82  *
83  * 5. Products derived from this software may not be called "OpenSSL"
84  *    nor may "OpenSSL" appear in their names without prior written
85  *    permission of the OpenSSL Project.
86  *
87  * 6. Redistributions of any form whatsoever must retain the following
88  *    acknowledgment:
89  *    "This product includes software developed by the OpenSSL Project
90  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
91  *
92  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
93  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
94  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
95  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
96  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
97  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
98  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
99  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
100  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
101  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
102  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
103  * OF THE POSSIBILITY OF SUCH DAMAGE.
104  * ====================================================================
105  *
106  * This product includes cryptographic software written by Eric Young
107  * (eay@cryptsoft.com).  This product includes software written by Tim
108  * Hudson (tjh@cryptsoft.com).
109  *
110  */
111
112 #include <stdio.h>
113 #include <stdlib.h>
114 #include <string.h>
115 #include <sys/types.h>
116 #include <sys/stat.h>
117 #include <ctype.h>
118 #include <openssl/err.h>
119 #include <openssl/x509.h>
120 #include <openssl/x509v3.h>
121 #include <openssl/pem.h>
122 #include <openssl/pkcs12.h>
123 #include <openssl/ui.h>
124 #include <openssl/safestack.h>
125 #ifndef OPENSSL_NO_ENGINE
126 #include <openssl/engine.h>
127 #endif
128
129 #define NON_MAIN
130 #include "apps.h"
131 #undef NON_MAIN
132
133 typedef struct {
134         char *name;
135         unsigned long flag;
136         unsigned long mask;
137 } NAME_EX_TBL;
138
139 static UI_METHOD *ui_method = NULL;
140
141 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
142 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
143
144 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
145 /* Looks like this stuff is worth moving into separate function */
146 static EVP_PKEY *
147 load_netscape_key(BIO *err, BIO *key, const char *file,
148                 const char *key_descrip, int format);
149 #endif
150
151 int app_init(long mesgwin);
152 #ifdef undef /* never finished - probably never will be :-) */
153 int args_from_file(char *file, int *argc, char **argv[])
154         {
155         FILE *fp;
156         int num,i;
157         unsigned int len;
158         static char *buf=NULL;
159         static char **arg=NULL;
160         char *p;
161         struct stat stbuf;
162
163         if (stat(file,&stbuf) < 0) return(0);
164
165         fp=fopen(file,"r");
166         if (fp == NULL)
167                 return(0);
168
169         *argc=0;
170         *argv=NULL;
171
172         len=(unsigned int)stbuf.st_size;
173         if (buf != NULL) OPENSSL_free(buf);
174         buf=(char *)OPENSSL_malloc(len+1);
175         if (buf == NULL) return(0);
176
177         len=fread(buf,1,len,fp);
178         if (len <= 1) return(0);
179         buf[len]='\0';
180
181         i=0;
182         for (p=buf; *p; p++)
183                 if (*p == '\n') i++;
184         if (arg != NULL) OPENSSL_free(arg);
185         arg=(char **)OPENSSL_malloc(sizeof(char *)*(i*2));
186
187         *argv=arg;
188         num=0;
189         p=buf;
190         for (;;)
191                 {
192                 if (!*p) break;
193                 if (*p == '#') /* comment line */
194                         {
195                         while (*p && (*p != '\n')) p++;
196                         continue;
197                         }
198                 /* else we have a line */
199                 *(arg++)=p;
200                 num++;
201                 while (*p && ((*p != ' ') && (*p != '\t') && (*p != '\n')))
202                         p++;
203                 if (!*p) break;
204                 if (*p == '\n')
205                         {
206                         *(p++)='\0';
207                         continue;
208                         }
209                 /* else it is a tab or space */
210                 p++;
211                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
212                         p++;
213                 if (!*p) break;
214                 if (*p == '\n')
215                         {
216                         p++;
217                         continue;
218                         }
219                 *(arg++)=p++;
220                 num++;
221                 while (*p && (*p != '\n')) p++;
222                 if (!*p) break;
223                 /* else *p == '\n' */
224                 *(p++)='\0';
225                 }
226         *argc=num;
227         return(1);
228         }
229 #endif
230
231 int str2fmt(char *s)
232         {
233         if      ((*s == 'D') || (*s == 'd'))
234                 return(FORMAT_ASN1);
235         else if ((*s == 'T') || (*s == 't'))
236                 return(FORMAT_TEXT);
237         else if ((*s == 'P') || (*s == 'p'))
238                 return(FORMAT_PEM);
239         else if ((*s == 'N') || (*s == 'n'))
240                 return(FORMAT_NETSCAPE);
241         else if ((*s == 'S') || (*s == 's'))
242                 return(FORMAT_SMIME);
243         else if ((*s == '1')
244                 || (strcmp(s,"PKCS12") == 0) || (strcmp(s,"pkcs12") == 0)
245                 || (strcmp(s,"P12") == 0) || (strcmp(s,"p12") == 0))
246                 return(FORMAT_PKCS12);
247         else if ((*s == 'E') || (*s == 'e'))
248                 return(FORMAT_ENGINE);
249         else
250                 return(FORMAT_UNDEF);
251         }
252
253 #if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16)
254 void program_name(char *in, char *out, int size)
255         {
256         int i,n;
257         char *p=NULL;
258
259         n=strlen(in);
260         /* find the last '/', '\' or ':' */
261         for (i=n-1; i>0; i--)
262                 {
263                 if ((in[i] == '/') || (in[i] == '\\') || (in[i] == ':'))
264                         {
265                         p= &(in[i+1]);
266                         break;
267                         }
268                 }
269         if (p == NULL)
270                 p=in;
271         n=strlen(p);
272         /* strip off trailing .exe if present. */
273         if ((n > 4) && (p[n-4] == '.') &&
274                 ((p[n-3] == 'e') || (p[n-3] == 'E')) &&
275                 ((p[n-2] == 'x') || (p[n-2] == 'X')) &&
276                 ((p[n-1] == 'e') || (p[n-1] == 'E')))
277                 n-=4;
278         if (n > size-1)
279                 n=size-1;
280
281         for (i=0; i<n; i++)
282                 {
283                 if ((p[i] >= 'A') && (p[i] <= 'Z'))
284                         out[i]=p[i]-'A'+'a';
285                 else
286                         out[i]=p[i];
287                 }
288         out[n]='\0';
289         }
290 #else
291 #ifdef OPENSSL_SYS_VMS
292 void program_name(char *in, char *out, int size)
293         {
294         char *p=in, *q;
295         char *chars=":]>";
296
297         while(*chars != '\0')
298                 {
299                 q=strrchr(p,*chars);
300                 if (q > p)
301                         p = q + 1;
302                 chars++;
303                 }
304
305         q=strrchr(p,'.');
306         if (q == NULL)
307                 q = p + strlen(p);
308         strncpy(out,p,size-1);
309         if (q-p >= size)
310                 {
311                 out[size-1]='\0';
312                 }
313         else
314                 {
315                 out[q-p]='\0';
316                 }
317         }
318 #else
319 void program_name(char *in, char *out, int size)
320         {
321         char *p;
322
323         p=strrchr(in,'/');
324         if (p != NULL)
325                 p++;
326         else
327                 p=in;
328         BUF_strlcpy(out,p,size);
329         }
330 #endif
331 #endif
332
333 #ifdef OPENSSL_SYS_VMS
334 int VMS_strcasecmp(const char *str1, const char *str2)
335         {
336         while (*str1 && *str2)
337                 {
338                 int res = toupper(*str1) - toupper(*str2);
339                 if (res) return res < 0 ? -1 : 1;
340                 }
341         if (*str1)
342                 return 1;
343         if (*str2)
344                 return -1;
345         return 0;
346         }
347 #endif
348
349 int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
350         {
351         int num,len,i;
352         char *p;
353
354         *argc=0;
355         *argv=NULL;
356
357         len=strlen(buf);
358         i=0;
359         if (arg->count == 0)
360                 {
361                 arg->count=20;
362                 arg->data=(char **)OPENSSL_malloc(sizeof(char *)*arg->count);
363                 }
364         for (i=0; i<arg->count; i++)
365                 arg->data[i]=NULL;
366
367         num=0;
368         p=buf;
369         for (;;)
370                 {
371                 /* first scan over white space */
372                 if (!*p) break;
373                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
374                         p++;
375                 if (!*p) break;
376
377                 /* The start of something good :-) */
378                 if (num >= arg->count)
379                         {
380                         arg->count+=20;
381                         arg->data=(char **)OPENSSL_realloc(arg->data,
382                                 sizeof(char *)*arg->count);
383                         if (argc == 0) return(0);
384                         }
385                 arg->data[num++]=p;
386
387                 /* now look for the end of this */
388                 if ((*p == '\'') || (*p == '\"')) /* scan for closing quote */
389                         {
390                         i= *(p++);
391                         arg->data[num-1]++; /* jump over quote */
392                         while (*p && (*p != i))
393                                 p++;
394                         *p='\0';
395                         }
396                 else
397                         {
398                         while (*p && ((*p != ' ') &&
399                                 (*p != '\t') && (*p != '\n')))
400                                 p++;
401
402                         if (*p == '\0')
403                                 p--;
404                         else
405                                 *p='\0';
406                         }
407                 p++;
408                 }
409         *argc=num;
410         *argv=arg->data;
411         return(1);
412         }
413
414 #ifndef APP_INIT
415 int app_init(long mesgwin)
416         {
417         return(1);
418         }
419 #endif
420
421
422 int dump_cert_text (BIO *out, X509 *x)
423 {
424         char *p;
425
426         p=X509_NAME_oneline(X509_get_subject_name(x),NULL,0);
427         BIO_puts(out,"subject=");
428         BIO_puts(out,p);
429         OPENSSL_free(p);
430
431         p=X509_NAME_oneline(X509_get_issuer_name(x),NULL,0);
432         BIO_puts(out,"\nissuer=");
433         BIO_puts(out,p);
434         BIO_puts(out,"\n");
435         OPENSSL_free(p);
436
437         return 0;
438 }
439
440 static int ui_open(UI *ui)
441         {
442         return UI_method_get_opener(UI_OpenSSL())(ui);
443         }
444 static int ui_read(UI *ui, UI_STRING *uis)
445         {
446         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
447                 && UI_get0_user_data(ui))
448                 {
449                 switch(UI_get_string_type(uis))
450                         {
451                 case UIT_PROMPT:
452                 case UIT_VERIFY:
453                         {
454                         const char *password =
455                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
456                         if (password && password[0] != '\0')
457                                 {
458                                 UI_set_result(ui, uis, password);
459                                 return 1;
460                                 }
461                         }
462                 default:
463                         break;
464                         }
465                 }
466         return UI_method_get_reader(UI_OpenSSL())(ui, uis);
467         }
468 static int ui_write(UI *ui, UI_STRING *uis)
469         {
470         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
471                 && UI_get0_user_data(ui))
472                 {
473                 switch(UI_get_string_type(uis))
474                         {
475                 case UIT_PROMPT:
476                 case UIT_VERIFY:
477                         {
478                         const char *password =
479                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
480                         if (password && password[0] != '\0')
481                                 return 1;
482                         }
483                 default:
484                         break;
485                         }
486                 }
487         return UI_method_get_writer(UI_OpenSSL())(ui, uis);
488         }
489 static int ui_close(UI *ui)
490         {
491         return UI_method_get_closer(UI_OpenSSL())(ui);
492         }
493 int setup_ui_method(void)
494         {
495         ui_method = UI_create_method("OpenSSL application user interface");
496         UI_method_set_opener(ui_method, ui_open);
497         UI_method_set_reader(ui_method, ui_read);
498         UI_method_set_writer(ui_method, ui_write);
499         UI_method_set_closer(ui_method, ui_close);
500         return 0;
501         }
502 void destroy_ui_method(void)
503         {
504         if(ui_method)
505                 {
506                 UI_destroy_method(ui_method);
507                 ui_method = NULL;
508                 }
509         }
510 int password_callback(char *buf, int bufsiz, int verify,
511         PW_CB_DATA *cb_tmp)
512         {
513         UI *ui = NULL;
514         int res = 0;
515         const char *prompt_info = NULL;
516         const char *password = NULL;
517         PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp;
518
519         if (cb_data)
520                 {
521                 if (cb_data->password)
522                         password = cb_data->password;
523                 if (cb_data->prompt_info)
524                         prompt_info = cb_data->prompt_info;
525                 }
526
527         if (password)
528                 {
529                 res = strlen(password);
530                 if (res > bufsiz)
531                         res = bufsiz;
532                 memcpy(buf, password, res);
533                 return res;
534                 }
535
536         ui = UI_new_method(ui_method);
537         if (ui)
538                 {
539                 int ok = 0;
540                 char *buff = NULL;
541                 int ui_flags = 0;
542                 char *prompt = NULL;
543
544                 prompt = UI_construct_prompt(ui, "pass phrase",
545                         cb_data->prompt_info);
546
547                 ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
548                 UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
549
550                 if (ok >= 0)
551                         ok = UI_add_input_string(ui,prompt,ui_flags,buf,
552                                 PW_MIN_LENGTH,BUFSIZ-1);
553                 if (ok >= 0 && verify)
554                         {
555                         buff = (char *)OPENSSL_malloc(bufsiz);
556                         ok = UI_add_verify_string(ui,prompt,ui_flags,buff,
557                                 PW_MIN_LENGTH,BUFSIZ-1, buf);
558                         }
559                 if (ok >= 0)
560                         do
561                                 {
562                                 ok = UI_process(ui);
563                                 }
564                         while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
565
566                 if (buff)
567                         {
568                         OPENSSL_cleanse(buff,(unsigned int)bufsiz);
569                         OPENSSL_free(buff);
570                         }
571
572                 if (ok >= 0)
573                         res = strlen(buf);
574                 if (ok == -1)
575                         {
576                         BIO_printf(bio_err, "User interface error\n");
577                         ERR_print_errors(bio_err);
578                         OPENSSL_cleanse(buf,(unsigned int)bufsiz);
579                         res = 0;
580                         }
581                 if (ok == -2)
582                         {
583                         BIO_printf(bio_err,"aborted!\n");
584                         OPENSSL_cleanse(buf,(unsigned int)bufsiz);
585                         res = 0;
586                         }
587                 UI_free(ui);
588                 OPENSSL_free(prompt);
589                 }
590         return res;
591         }
592
593 static char *app_get_pass(BIO *err, char *arg, int keepbio);
594
595 int app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2)
596 {
597         int same;
598         if(!arg2 || !arg1 || strcmp(arg1, arg2)) same = 0;
599         else same = 1;
600         if(arg1) {
601                 *pass1 = app_get_pass(err, arg1, same);
602                 if(!*pass1) return 0;
603         } else if(pass1) *pass1 = NULL;
604         if(arg2) {
605                 *pass2 = app_get_pass(err, arg2, same ? 2 : 0);
606                 if(!*pass2) return 0;
607         } else if(pass2) *pass2 = NULL;
608         return 1;
609 }
610
611 static char *app_get_pass(BIO *err, char *arg, int keepbio)
612 {
613         char *tmp, tpass[APP_PASS_LEN];
614         static BIO *pwdbio = NULL;
615         int i;
616         if(!strncmp(arg, "pass:", 5)) return BUF_strdup(arg + 5);
617         if(!strncmp(arg, "env:", 4)) {
618                 tmp = getenv(arg + 4);
619                 if(!tmp) {
620                         BIO_printf(err, "Can't read environment variable %s\n", arg + 4);
621                         return NULL;
622                 }
623                 return BUF_strdup(tmp);
624         }
625         if(!keepbio || !pwdbio) {
626                 if(!strncmp(arg, "file:", 5)) {
627                         pwdbio = BIO_new_file(arg + 5, "r");
628                         if(!pwdbio) {
629                                 BIO_printf(err, "Can't open file %s\n", arg + 5);
630                                 return NULL;
631                         }
632                 } else if(!strncmp(arg, "fd:", 3)) {
633                         BIO *btmp;
634                         i = atoi(arg + 3);
635                         if(i >= 0) pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
636                         if((i < 0) || !pwdbio) {
637                                 BIO_printf(err, "Can't access file descriptor %s\n", arg + 3);
638                                 return NULL;
639                         }
640                         /* Can't do BIO_gets on an fd BIO so add a buffering BIO */
641                         btmp = BIO_new(BIO_f_buffer());
642                         pwdbio = BIO_push(btmp, pwdbio);
643                 } else if(!strcmp(arg, "stdin")) {
644                         pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE);
645                         if(!pwdbio) {
646                                 BIO_printf(err, "Can't open BIO for stdin\n");
647                                 return NULL;
648                         }
649                 } else {
650                         BIO_printf(err, "Invalid password argument \"%s\"\n", arg);
651                         return NULL;
652                 }
653         }
654         i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
655         if(keepbio != 1) {
656                 BIO_free_all(pwdbio);
657                 pwdbio = NULL;
658         }
659         if(i <= 0) {
660                 BIO_printf(err, "Error reading password from BIO\n");
661                 return NULL;
662         }
663         tmp = strchr(tpass, '\n');
664         if(tmp) *tmp = 0;
665         return BUF_strdup(tpass);
666 }
667
668 int add_oid_section(BIO *err, CONF *conf)
669 {       
670         char *p;
671         STACK_OF(CONF_VALUE) *sktmp;
672         CONF_VALUE *cnf;
673         int i;
674         if(!(p=NCONF_get_string(conf,NULL,"oid_section")))
675                 {
676                 ERR_clear_error();
677                 return 1;
678                 }
679         if(!(sktmp = NCONF_get_section(conf, p))) {
680                 BIO_printf(err, "problem loading oid section %s\n", p);
681                 return 0;
682         }
683         for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
684                 cnf = sk_CONF_VALUE_value(sktmp, i);
685                 if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
686                         BIO_printf(err, "problem creating object %s=%s\n",
687                                                          cnf->name, cnf->value);
688                         return 0;
689                 }
690         }
691         return 1;
692 }
693
694 X509 *load_cert(BIO *err, const char *file, int format,
695         const char *pass, ENGINE *e, const char *cert_descrip)
696         {
697         ASN1_HEADER *ah=NULL;
698         BUF_MEM *buf=NULL;
699         X509 *x=NULL;
700         BIO *cert;
701
702         if ((cert=BIO_new(BIO_s_file())) == NULL)
703                 {
704                 ERR_print_errors(err);
705                 goto end;
706                 }
707
708         if (file == NULL)
709                 {
710                 setvbuf(stdin, NULL, _IONBF, 0);
711                 BIO_set_fp(cert,stdin,BIO_NOCLOSE);
712                 }
713         else
714                 {
715                 if (BIO_read_filename(cert,file) <= 0)
716                         {
717                         BIO_printf(err, "Error opening %s %s\n",
718                                 cert_descrip, file);
719                         ERR_print_errors(err);
720                         goto end;
721                         }
722                 }
723
724         if      (format == FORMAT_ASN1)
725                 x=d2i_X509_bio(cert,NULL);
726         else if (format == FORMAT_NETSCAPE)
727                 {
728                 unsigned char *p,*op;
729                 int size=0,i;
730
731                 /* We sort of have to do it this way because it is sort of nice
732                  * to read the header first and check it, then
733                  * try to read the certificate */
734                 buf=BUF_MEM_new();
735                 for (;;)
736                         {
737                         if ((buf == NULL) || (!BUF_MEM_grow(buf,size+1024*10)))
738                                 goto end;
739                         i=BIO_read(cert,&(buf->data[size]),1024*10);
740                         size+=i;
741                         if (i == 0) break;
742                         if (i < 0)
743                                 {
744                                 perror("reading certificate");
745                                 goto end;
746                                 }
747                         }
748                 p=(unsigned char *)buf->data;
749                 op=p;
750
751                 /* First load the header */
752                 if ((ah=d2i_ASN1_HEADER(NULL,&p,(long)size)) == NULL)
753                         goto end;
754                 if ((ah->header == NULL) || (ah->header->data == NULL) ||
755                         (strncmp(NETSCAPE_CERT_HDR,(char *)ah->header->data,
756                         ah->header->length) != 0))
757                         {
758                         BIO_printf(err,"Error reading header on certificate\n");
759                         goto end;
760                         }
761                 /* header is ok, so now read the object */
762                 p=op;
763                 ah->meth=X509_asn1_meth();
764                 if ((ah=d2i_ASN1_HEADER(&ah,&p,(long)size)) == NULL)
765                         goto end;
766                 x=(X509 *)ah->data;
767                 ah->data=NULL;
768                 }
769         else if (format == FORMAT_PEM)
770                 x=PEM_read_bio_X509_AUX(cert,NULL,
771                         (pem_password_cb *)password_callback, NULL);
772         else if (format == FORMAT_PKCS12)
773                 {
774                 PKCS12 *p12 = d2i_PKCS12_bio(cert, NULL);
775
776                 PKCS12_parse(p12, NULL, NULL, &x, NULL);
777                 PKCS12_free(p12);
778                 p12 = NULL;
779                 }
780         else    {
781                 BIO_printf(err,"bad input format specified for %s\n",
782                         cert_descrip);
783                 goto end;
784                 }
785 end:
786         if (x == NULL)
787                 {
788                 BIO_printf(err,"unable to load certificate\n");
789                 ERR_print_errors(err);
790                 }
791         if (ah != NULL) ASN1_HEADER_free(ah);
792         if (cert != NULL) BIO_free(cert);
793         if (buf != NULL) BUF_MEM_free(buf);
794         return(x);
795         }
796
797 EVP_PKEY *load_key(BIO *err, const char *file, int format, int maybe_stdin,
798         const char *pass, ENGINE *e, const char *key_descrip)
799         {
800         BIO *key=NULL;
801         EVP_PKEY *pkey=NULL;
802         PW_CB_DATA cb_data;
803
804         cb_data.password = pass;
805         cb_data.prompt_info = file;
806
807         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
808                 {
809                 BIO_printf(err,"no keyfile specified\n");
810                 goto end;
811                 }
812 #ifndef OPENSSL_NO_ENGINE
813         if (format == FORMAT_ENGINE)
814                 {
815                 if (!e)
816                         BIO_printf(bio_err,"no engine specified\n");
817                 else
818                         pkey = ENGINE_load_private_key(e, file,
819                                 ui_method, &cb_data);
820                 goto end;
821                 }
822 #endif
823         key=BIO_new(BIO_s_file());
824         if (key == NULL)
825                 {
826                 ERR_print_errors(err);
827                 goto end;
828                 }
829         if (file == NULL && maybe_stdin)
830                 {
831                 setvbuf(stdin, NULL, _IONBF, 0);
832                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
833                 }
834         else
835                 if (BIO_read_filename(key,file) <= 0)
836                         {
837                         BIO_printf(err, "Error opening %s %s\n",
838                                 key_descrip, file);
839                         ERR_print_errors(err);
840                         goto end;
841                         }
842         if (format == FORMAT_ASN1)
843                 {
844                 pkey=d2i_PrivateKey_bio(key, NULL);
845                 }
846         else if (format == FORMAT_PEM)
847                 {
848                 pkey=PEM_read_bio_PrivateKey(key,NULL,
849                         (pem_password_cb *)password_callback, &cb_data);
850                 }
851 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
852         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
853                 pkey = load_netscape_key(err, key, file, key_descrip, format);
854 #endif
855         else if (format == FORMAT_PKCS12)
856                 {
857                 PKCS12 *p12 = d2i_PKCS12_bio(key, NULL);
858
859                 PKCS12_parse(p12, pass, &pkey, NULL, NULL);
860                 PKCS12_free(p12);
861                 p12 = NULL;
862                 }
863         else
864                 {
865                 BIO_printf(err,"bad input format specified for key file\n");
866                 goto end;
867                 }
868  end:
869         if (key != NULL) BIO_free(key);
870         if (pkey == NULL)
871                 BIO_printf(err,"unable to load %s\n", key_descrip);
872         return(pkey);
873         }
874
875 EVP_PKEY *load_pubkey(BIO *err, const char *file, int format, int maybe_stdin,
876         const char *pass, ENGINE *e, const char *key_descrip)
877         {
878         BIO *key=NULL;
879         EVP_PKEY *pkey=NULL;
880         PW_CB_DATA cb_data;
881
882         cb_data.password = pass;
883         cb_data.prompt_info = file;
884
885         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
886                 {
887                 BIO_printf(err,"no keyfile specified\n");
888                 goto end;
889                 }
890 #ifndef OPENSSL_NO_ENGINE
891         if (format == FORMAT_ENGINE)
892                 {
893                 if (!e)
894                         BIO_printf(bio_err,"no engine specified\n");
895                 else
896                         pkey = ENGINE_load_public_key(e, file,
897                                 ui_method, &cb_data);
898                 goto end;
899                 }
900 #endif
901         key=BIO_new(BIO_s_file());
902         if (key == NULL)
903                 {
904                 ERR_print_errors(err);
905                 goto end;
906                 }
907         if (file == NULL && maybe_stdin)
908                 {
909                 setvbuf(stdin, NULL, _IONBF, 0);
910                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
911                 }
912         else
913                 if (BIO_read_filename(key,file) <= 0)
914                         {
915                         BIO_printf(err, "Error opening %s %s\n",
916                                 key_descrip, file);
917                         ERR_print_errors(err);
918                         goto end;
919                 }
920         if (format == FORMAT_ASN1)
921                 {
922                 pkey=d2i_PUBKEY_bio(key, NULL);
923                 }
924         else if (format == FORMAT_PEM)
925                 {
926                 pkey=PEM_read_bio_PUBKEY(key,NULL,
927                         (pem_password_cb *)password_callback, &cb_data);
928                 }
929 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
930         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
931                 pkey = load_netscape_key(err, key, file, key_descrip, format);
932 #endif
933         else
934                 {
935                 BIO_printf(err,"bad input format specified for key file\n");
936                 goto end;
937                 }
938  end:
939         if (key != NULL) BIO_free(key);
940         if (pkey == NULL)
941                 BIO_printf(err,"unable to load %s\n", key_descrip);
942         return(pkey);
943         }
944
945 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
946 static EVP_PKEY *
947 load_netscape_key(BIO *err, BIO *key, const char *file,
948                 const char *key_descrip, int format)
949         {
950         EVP_PKEY *pkey;
951         BUF_MEM *buf;
952         RSA     *rsa;
953         const unsigned char *p;
954         int size, i;
955
956         buf=BUF_MEM_new();
957         pkey = EVP_PKEY_new();
958         size = 0;
959         if (buf == NULL || pkey == NULL)
960                 goto error;
961         for (;;)
962                 {
963                 if (!BUF_MEM_grow_clean(buf,size+1024*10))
964                         goto error;
965                 i = BIO_read(key, &(buf->data[size]), 1024*10);
966                 size += i;
967                 if (i == 0)
968                         break;
969                 if (i < 0)
970                         {
971                                 BIO_printf(err, "Error reading %s %s",
972                                         key_descrip, file);
973                                 goto error;
974                         }
975                 }
976         p=(unsigned char *)buf->data;
977         rsa = d2i_RSA_NET(NULL,&p,(long)size,NULL,
978                 (format == FORMAT_IISSGC ? 1 : 0));
979         if (rsa == NULL)
980                 goto error;
981         BUF_MEM_free(buf);
982         EVP_PKEY_set1_RSA(pkey, rsa);
983         return pkey;
984 error:
985         BUF_MEM_free(buf);
986         EVP_PKEY_free(pkey);
987         return NULL;
988         }
989 #endif /* ndef OPENSSL_NO_RC4 */
990
991 STACK_OF(X509) *load_certs(BIO *err, const char *file, int format,
992         const char *pass, ENGINE *e, const char *cert_descrip)
993         {
994         BIO *certs;
995         int i;
996         STACK_OF(X509) *othercerts = NULL;
997         STACK_OF(X509_INFO) *allcerts = NULL;
998         X509_INFO *xi;
999         PW_CB_DATA cb_data;
1000
1001         cb_data.password = pass;
1002         cb_data.prompt_info = file;
1003
1004         if((certs = BIO_new(BIO_s_file())) == NULL)
1005                 {
1006                 ERR_print_errors(err);
1007                 goto end;
1008                 }
1009
1010         if (file == NULL)
1011                 BIO_set_fp(certs,stdin,BIO_NOCLOSE);
1012         else
1013                 {
1014                 if (BIO_read_filename(certs,file) <= 0)
1015                         {
1016                         BIO_printf(err, "Error opening %s %s\n",
1017                                 cert_descrip, file);
1018                         ERR_print_errors(err);
1019                         goto end;
1020                         }
1021                 }
1022
1023         if      (format == FORMAT_PEM)
1024                 {
1025                 othercerts = sk_X509_new_null();
1026                 if(!othercerts)
1027                         {
1028                         sk_X509_free(othercerts);
1029                         othercerts = NULL;
1030                         goto end;
1031                         }
1032                 allcerts = PEM_X509_INFO_read_bio(certs, NULL,
1033                                 (pem_password_cb *)password_callback, &cb_data);
1034                 for(i = 0; i < sk_X509_INFO_num(allcerts); i++)
1035                         {
1036                         xi = sk_X509_INFO_value (allcerts, i);
1037                         if (xi->x509)
1038                                 {
1039                                 sk_X509_push(othercerts, xi->x509);
1040                                 xi->x509 = NULL;
1041                                 }
1042                         }
1043                 goto end;
1044                 }
1045         else    {
1046                 BIO_printf(err,"bad input format specified for %s\n",
1047                         cert_descrip);
1048                 goto end;
1049                 }
1050 end:
1051         if (othercerts == NULL)
1052                 {
1053                 BIO_printf(err,"unable to load certificates\n");
1054                 ERR_print_errors(err);
1055                 }
1056         if (allcerts) sk_X509_INFO_pop_free(allcerts, X509_INFO_free);
1057         if (certs != NULL) BIO_free(certs);
1058         return(othercerts);
1059         }
1060
1061
1062 #define X509V3_EXT_UNKNOWN_MASK         (0xfL << 16)
1063 /* Return error for unknown extensions */
1064 #define X509V3_EXT_DEFAULT              0
1065 /* Print error for unknown extensions */
1066 #define X509V3_EXT_ERROR_UNKNOWN        (1L << 16)
1067 /* ASN1 parse unknown extensions */
1068 #define X509V3_EXT_PARSE_UNKNOWN        (2L << 16)
1069 /* BIO_dump unknown extensions */
1070 #define X509V3_EXT_DUMP_UNKNOWN         (3L << 16)
1071
1072 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1073                          X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1074
1075 int set_cert_ex(unsigned long *flags, const char *arg)
1076 {
1077         static const NAME_EX_TBL cert_tbl[] = {
1078                 { "compatible", X509_FLAG_COMPAT, 0xffffffffl},
1079                 { "ca_default", X509_FLAG_CA, 0xffffffffl},
1080                 { "no_header", X509_FLAG_NO_HEADER, 0},
1081                 { "no_version", X509_FLAG_NO_VERSION, 0},
1082                 { "no_serial", X509_FLAG_NO_SERIAL, 0},
1083                 { "no_signame", X509_FLAG_NO_SIGNAME, 0},
1084                 { "no_validity", X509_FLAG_NO_VALIDITY, 0},
1085                 { "no_subject", X509_FLAG_NO_SUBJECT, 0},
1086                 { "no_issuer", X509_FLAG_NO_ISSUER, 0},
1087                 { "no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1088                 { "no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1089                 { "no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1090                 { "no_aux", X509_FLAG_NO_AUX, 0},
1091                 { "no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1092                 { "ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1093                 { "ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1094                 { "ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1095                 { "ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1096                 { NULL, 0, 0}
1097         };
1098         return set_multi_opts(flags, arg, cert_tbl);
1099 }
1100
1101 int set_name_ex(unsigned long *flags, const char *arg)
1102 {
1103         static const NAME_EX_TBL ex_tbl[] = {
1104                 { "esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1105                 { "esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1106                 { "esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1107                 { "use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1108                 { "utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1109                 { "ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1110                 { "show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1111                 { "dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1112                 { "dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1113                 { "dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1114                 { "compat", XN_FLAG_COMPAT, 0xffffffffL},
1115                 { "sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1116                 { "sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1117                 { "sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1118                 { "sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1119                 { "dn_rev", XN_FLAG_DN_REV, 0},
1120                 { "nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1121                 { "sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1122                 { "lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1123                 { "align", XN_FLAG_FN_ALIGN, 0},
1124                 { "oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1125                 { "space_eq", XN_FLAG_SPC_EQ, 0},
1126                 { "dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1127                 { "RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1128                 { "oneline", XN_FLAG_ONELINE, 0xffffffffL},
1129                 { "multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1130                 { "ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1131                 { NULL, 0, 0}
1132         };
1133         return set_multi_opts(flags, arg, ex_tbl);
1134 }
1135
1136 int set_ext_copy(int *copy_type, const char *arg)
1137 {
1138         if (!strcasecmp(arg, "none"))
1139                 *copy_type = EXT_COPY_NONE;
1140         else if (!strcasecmp(arg, "copy"))
1141                 *copy_type = EXT_COPY_ADD;
1142         else if (!strcasecmp(arg, "copyall"))
1143                 *copy_type = EXT_COPY_ALL;
1144         else
1145                 return 0;
1146         return 1;
1147 }
1148
1149 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1150 {
1151         STACK_OF(X509_EXTENSION) *exts = NULL;
1152         X509_EXTENSION *ext, *tmpext;
1153         ASN1_OBJECT *obj;
1154         int i, idx, ret = 0;
1155         if (!x || !req || (copy_type == EXT_COPY_NONE))
1156                 return 1;
1157         exts = X509_REQ_get_extensions(req);
1158
1159         for(i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1160                 ext = sk_X509_EXTENSION_value(exts, i);
1161                 obj = X509_EXTENSION_get_object(ext);
1162                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1163                 /* Does extension exist? */
1164                 if (idx != -1) {
1165                         /* If normal copy don't override existing extension */
1166                         if (copy_type == EXT_COPY_ADD)
1167                                 continue;
1168                         /* Delete all extensions of same type */
1169                         do {
1170                                 tmpext = X509_get_ext(x, idx);
1171                                 X509_delete_ext(x, idx);
1172                                 X509_EXTENSION_free(tmpext);
1173                                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1174                         } while (idx != -1);
1175                 }
1176                 if (!X509_add_ext(x, ext, -1))
1177                         goto end;
1178         }
1179
1180         ret = 1;
1181
1182         end:
1183
1184         sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1185
1186         return ret;
1187 }
1188                 
1189                 
1190                         
1191
1192 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1193 {
1194         STACK_OF(CONF_VALUE) *vals;
1195         CONF_VALUE *val;
1196         int i, ret = 1;
1197         if(!arg) return 0;
1198         vals = X509V3_parse_list(arg);
1199         for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1200                 val = sk_CONF_VALUE_value(vals, i);
1201                 if (!set_table_opts(flags, val->name, in_tbl))
1202                         ret = 0;
1203         }
1204         sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1205         return ret;
1206 }
1207
1208 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1209 {
1210         char c;
1211         const NAME_EX_TBL *ptbl;
1212         c = arg[0];
1213
1214         if(c == '-') {
1215                 c = 0;
1216                 arg++;
1217         } else if (c == '+') {
1218                 c = 1;
1219                 arg++;
1220         } else c = 1;
1221
1222         for(ptbl = in_tbl; ptbl->name; ptbl++) {
1223                 if(!strcasecmp(arg, ptbl->name)) {
1224                         *flags &= ~ptbl->mask;
1225                         if(c) *flags |= ptbl->flag;
1226                         else *flags &= ~ptbl->flag;
1227                         return 1;
1228                 }
1229         }
1230         return 0;
1231 }
1232
1233 void print_name(BIO *out, char *title, X509_NAME *nm, unsigned long lflags)
1234 {
1235         char *buf;
1236         char mline = 0;
1237         int indent = 0;
1238
1239         if(title) BIO_puts(out, title);
1240         if((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1241                 mline = 1;
1242                 indent = 4;
1243         }
1244         if(lflags == XN_FLAG_COMPAT) {
1245                 buf = X509_NAME_oneline(nm, 0, 0);
1246                 BIO_puts(out, buf);
1247                 BIO_puts(out, "\n");
1248                 OPENSSL_free(buf);
1249         } else {
1250                 if(mline) BIO_puts(out, "\n");
1251                 X509_NAME_print_ex(out, nm, indent, lflags);
1252                 BIO_puts(out, "\n");
1253         }
1254 }
1255
1256 X509_STORE *setup_verify(BIO *bp, char *CAfile, char *CApath)
1257 {
1258         X509_STORE *store;
1259         X509_LOOKUP *lookup;
1260         if(!(store = X509_STORE_new())) goto end;
1261         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file());
1262         if (lookup == NULL) goto end;
1263         if (CAfile) {
1264                 if(!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) {
1265                         BIO_printf(bp, "Error loading file %s\n", CAfile);
1266                         goto end;
1267                 }
1268         } else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
1269                 
1270         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir());
1271         if (lookup == NULL) goto end;
1272         if (CApath) {
1273                 if(!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) {
1274                         BIO_printf(bp, "Error loading directory %s\n", CApath);
1275                         goto end;
1276                 }
1277         } else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
1278
1279         ERR_clear_error();
1280         return store;
1281         end:
1282         X509_STORE_free(store);
1283         return NULL;
1284 }
1285
1286 #ifndef OPENSSL_NO_ENGINE
1287 /* Try to load an engine in a shareable library */
1288 static ENGINE *try_load_engine(BIO *err, const char *engine, int debug)
1289         {
1290         ENGINE *e = ENGINE_by_id("dynamic");
1291         if (e)
1292                 {
1293                 if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
1294                         || !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0))
1295                         {
1296                         ENGINE_free(e);
1297                         e = NULL;
1298                         }
1299                 }
1300         return e;
1301         }
1302
1303 ENGINE *setup_engine(BIO *err, const char *engine, int debug)
1304         {
1305         ENGINE *e = NULL;
1306
1307         if (engine)
1308                 {
1309                 if(strcmp(engine, "auto") == 0)
1310                         {
1311                         BIO_printf(err,"enabling auto ENGINE support\n");
1312                         ENGINE_register_all_complete();
1313                         return NULL;
1314                         }
1315                 if((e = ENGINE_by_id(engine)) == NULL
1316                         && (e = try_load_engine(err, engine, debug)) == NULL)
1317                         {
1318                         BIO_printf(err,"invalid engine \"%s\"\n", engine);
1319                         ERR_print_errors(err);
1320                         return NULL;
1321                         }
1322                 if (debug)
1323                         {
1324                         ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM,
1325                                 0, err, 0);
1326                         }
1327                 ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
1328                 if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
1329                         {
1330                         BIO_printf(err,"can't use that engine\n");
1331                         ERR_print_errors(err);
1332                         ENGINE_free(e);
1333                         return NULL;
1334                         }
1335
1336                 BIO_printf(err,"engine \"%s\" set.\n", ENGINE_get_id(e));
1337
1338                 /* Free our "structural" reference. */
1339                 ENGINE_free(e);
1340                 }
1341         return e;
1342         }
1343 #endif
1344
1345 int load_config(BIO *err, CONF *cnf)
1346         {
1347         if (!cnf)
1348                 cnf = config;
1349         if (!cnf)
1350                 return 1;
1351
1352         OPENSSL_load_builtin_modules();
1353
1354         if (CONF_modules_load(cnf, NULL, 0) <= 0)
1355                 {
1356                 BIO_printf(err, "Error configuring OpenSSL\n");
1357                 ERR_print_errors(err);
1358                 return 0;
1359                 }
1360         return 1;
1361         }
1362
1363 char *make_config_name()
1364         {
1365         const char *t=X509_get_default_cert_area();
1366         size_t len;
1367         char *p;
1368
1369         len=strlen(t)+strlen(OPENSSL_CONF)+2;
1370         p=OPENSSL_malloc(len);
1371         BUF_strlcpy(p,t,len);
1372 #ifndef OPENSSL_SYS_VMS
1373         BUF_strlcat(p,"/",len);
1374 #endif
1375         BUF_strlcat(p,OPENSSL_CONF,len);
1376
1377         return p;
1378         }
1379
1380 static unsigned long index_serial_hash(const char **a)
1381         {
1382         const char *n;
1383
1384         n=a[DB_serial];
1385         while (*n == '0') n++;
1386         return(lh_strhash(n));
1387         }
1388
1389 static int index_serial_cmp(const char **a, const char **b)
1390         {
1391         const char *aa,*bb;
1392
1393         for (aa=a[DB_serial]; *aa == '0'; aa++);
1394         for (bb=b[DB_serial]; *bb == '0'; bb++);
1395         return(strcmp(aa,bb));
1396         }
1397
1398 static int index_name_qual(char **a)
1399         { return(a[0][0] == 'V'); }
1400
1401 static unsigned long index_name_hash(const char **a)
1402         { return(lh_strhash(a[DB_name])); }
1403
1404 int index_name_cmp(const char **a, const char **b)
1405         { return(strcmp(a[DB_name],
1406              b[DB_name])); }
1407
1408 static IMPLEMENT_LHASH_HASH_FN(index_serial_hash,const char **)
1409 static IMPLEMENT_LHASH_COMP_FN(index_serial_cmp,const char **)
1410 static IMPLEMENT_LHASH_HASH_FN(index_name_hash,const char **)
1411 static IMPLEMENT_LHASH_COMP_FN(index_name_cmp,const char **)
1412
1413 #undef BSIZE
1414 #define BSIZE 256
1415
1416 BIGNUM *load_serial(char *serialfile, int create, ASN1_INTEGER **retai)
1417         {
1418         BIO *in=NULL;
1419         BIGNUM *ret=NULL;
1420         MS_STATIC char buf[1024];
1421         ASN1_INTEGER *ai=NULL;
1422
1423         ai=ASN1_INTEGER_new();
1424         if (ai == NULL) goto err;
1425
1426         if ((in=BIO_new(BIO_s_file())) == NULL)
1427                 {
1428                 ERR_print_errors(bio_err);
1429                 goto err;
1430                 }
1431
1432         if (BIO_read_filename(in,serialfile) <= 0)
1433                 {
1434                 if (!create)
1435                         {
1436                         perror(serialfile);
1437                         goto err;
1438                         }
1439                 else
1440                         {
1441                         ret=BN_new();
1442                         if (ret == NULL || !rand_serial(ret, ai))
1443                                 BIO_printf(bio_err, "Out of memory\n");
1444                         }
1445                 }
1446         else
1447                 {
1448                 if (!a2i_ASN1_INTEGER(in,ai,buf,1024))
1449                         {
1450                         BIO_printf(bio_err,"unable to load number from %s\n",
1451                                 serialfile);
1452                         goto err;
1453                         }
1454                 ret=ASN1_INTEGER_to_BN(ai,NULL);
1455                 if (ret == NULL)
1456                         {
1457                         BIO_printf(bio_err,"error converting number from bin to BIGNUM\n");
1458                         goto err;
1459                         }
1460                 }
1461
1462         if (ret && retai)
1463                 {
1464                 *retai = ai;
1465                 ai = NULL;
1466                 }
1467  err:
1468         if (in != NULL) BIO_free(in);
1469         if (ai != NULL) ASN1_INTEGER_free(ai);
1470         return(ret);
1471         }
1472
1473 int save_serial(char *serialfile, char *suffix, BIGNUM *serial, ASN1_INTEGER **retai)
1474         {
1475         char buf[1][BSIZE];
1476         BIO *out = NULL;
1477         int ret=0;
1478         ASN1_INTEGER *ai=NULL;
1479         int j;
1480
1481         if (suffix == NULL)
1482                 j = strlen(serialfile);
1483         else
1484                 j = strlen(serialfile) + strlen(suffix) + 1;
1485         if (j >= BSIZE)
1486                 {
1487                 BIO_printf(bio_err,"file name too long\n");
1488                 goto err;
1489                 }
1490
1491         if (suffix == NULL)
1492                 BUF_strlcpy(buf[0], serialfile, BSIZE);
1493         else
1494                 {
1495 #ifndef OPENSSL_SYS_VMS
1496                 j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", serialfile, suffix);
1497 #else
1498                 j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", serialfile, suffix);
1499 #endif
1500                 }
1501 #ifdef RL_DEBUG
1502         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1503 #endif
1504         out=BIO_new(BIO_s_file());
1505         if (out == NULL)
1506                 {
1507                 ERR_print_errors(bio_err);
1508                 goto err;
1509                 }
1510         if (BIO_write_filename(out,buf[0]) <= 0)
1511                 {
1512                 perror(serialfile);
1513                 goto err;
1514                 }
1515
1516         if ((ai=BN_to_ASN1_INTEGER(serial,NULL)) == NULL)
1517                 {
1518                 BIO_printf(bio_err,"error converting serial to ASN.1 format\n");
1519                 goto err;
1520                 }
1521         i2a_ASN1_INTEGER(out,ai);
1522         BIO_puts(out,"\n");
1523         ret=1;
1524         if (retai)
1525                 {
1526                 *retai = ai;
1527                 ai = NULL;
1528                 }
1529 err:
1530         if (out != NULL) BIO_free_all(out);
1531         if (ai != NULL) ASN1_INTEGER_free(ai);
1532         return(ret);
1533         }
1534
1535 int rotate_serial(char *serialfile, char *new_suffix, char *old_suffix)
1536         {
1537         char buf[5][BSIZE];
1538         int i,j;
1539         struct stat sb;
1540
1541         i = strlen(serialfile) + strlen(old_suffix);
1542         j = strlen(serialfile) + strlen(new_suffix);
1543         if (i > j) j = i;
1544         if (j + 1 >= BSIZE)
1545                 {
1546                 BIO_printf(bio_err,"file name too long\n");
1547                 goto err;
1548                 }
1549
1550 #ifndef OPENSSL_SYS_VMS
1551         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1552                 serialfile, new_suffix);
1553 #else
1554         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1555                 serialfile, new_suffix);
1556 #endif
1557 #ifndef OPENSSL_SYS_VMS
1558         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1559                 serialfile, old_suffix);
1560 #else
1561         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
1562                 serialfile, old_suffix);
1563 #endif
1564         if (stat(serialfile,&sb) < 0)
1565                 {
1566                 if (errno != ENOENT 
1567 #ifdef ENOTDIR
1568                         && errno != ENOTDIR)
1569 #endif
1570                         goto err;
1571                 }
1572         else
1573                 {
1574 #ifdef RL_DEBUG
1575                 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1576                         serialfile, buf[1]);
1577 #endif
1578                 if (rename(serialfile,buf[1]) < 0)
1579                         {
1580                         BIO_printf(bio_err,
1581                                 "unable to rename %s to %s\n",
1582                                 serialfile, buf[1]);
1583                         perror("reason");
1584                         goto err;
1585                         }
1586                 }
1587 #ifdef RL_DEBUG
1588         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1589                 buf[0],serialfile);
1590 #endif
1591         if (rename(buf[0],serialfile) < 0)
1592                 {
1593                 BIO_printf(bio_err,
1594                         "unable to rename %s to %s\n",
1595                         buf[0],serialfile);
1596                 perror("reason");
1597                 rename(buf[1],serialfile);
1598                 goto err;
1599                 }
1600         return 1;
1601  err:
1602         return 0;
1603         }
1604
1605 int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1606         {
1607         BIGNUM *btmp;
1608         int ret = 0;
1609         if (b)
1610                 btmp = b;
1611         else
1612                 btmp = BN_new();
1613
1614         if (!btmp)
1615                 return 0;
1616
1617         if (!BN_pseudo_rand(btmp, SERIAL_RAND_BITS, 0, 0))
1618                 goto error;
1619         if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1620                 goto error;
1621
1622         ret = 1;
1623         
1624         error:
1625
1626         if (!b)
1627                 BN_free(btmp);
1628         
1629         return ret;
1630         }
1631
1632 CA_DB *load_index(char *dbfile, DB_ATTR *db_attr)
1633         {
1634         CA_DB *retdb = NULL;
1635         TXT_DB *tmpdb = NULL;
1636         BIO *in = BIO_new(BIO_s_file());
1637         CONF *dbattr_conf = NULL;
1638         char buf[1][BSIZE];
1639         long errorline= -1;
1640
1641         if (in == NULL)
1642                 {
1643                 ERR_print_errors(bio_err);
1644                 goto err;
1645                 }
1646         if (BIO_read_filename(in,dbfile) <= 0)
1647                 {
1648                 perror(dbfile);
1649                 BIO_printf(bio_err,"unable to open '%s'\n",dbfile);
1650                 goto err;
1651                 }
1652         if ((tmpdb = TXT_DB_read(in,DB_NUMBER)) == NULL)
1653                 {
1654                 if (tmpdb != NULL) TXT_DB_free(tmpdb);
1655                 goto err;
1656                 }
1657
1658 #ifndef OPENSSL_SYS_VMS
1659         BIO_snprintf(buf[0], sizeof buf[0], "%s.attr", dbfile);
1660 #else
1661         BIO_snprintf(buf[0], sizeof buf[0], "%s-attr", dbfile);
1662 #endif
1663         dbattr_conf = NCONF_new(NULL);
1664         if (NCONF_load(dbattr_conf,buf[0],&errorline) <= 0)
1665                 {
1666                 if (errorline > 0)
1667                         {
1668                         BIO_printf(bio_err,
1669                                 "error on line %ld of db attribute file '%s'\n"
1670                                 ,errorline,buf[0]);
1671                         goto err;
1672                         }
1673                 else
1674                         {
1675                         NCONF_free(dbattr_conf);
1676                         dbattr_conf = NULL;
1677                         }
1678                 }
1679
1680         if ((retdb = OPENSSL_malloc(sizeof(CA_DB))) == NULL)
1681                 {
1682                 fprintf(stderr, "Out of memory\n");
1683                 goto err;
1684                 }
1685
1686         retdb->db = tmpdb;
1687         tmpdb = NULL;
1688         if (db_attr)
1689                 retdb->attributes = *db_attr;
1690         else
1691                 {
1692                 retdb->attributes.unique_subject = 1;
1693                 }
1694
1695         if (dbattr_conf)
1696                 {
1697                 char *p = NCONF_get_string(dbattr_conf,NULL,"unique_subject");
1698                 if (p)
1699                         {
1700                         BIO_printf(bio_err, "DEBUG[load_index]: unique_subject = \"%s\"\n", p);
1701                         switch(*p)
1702                                 {
1703                         case 'f': /* false */
1704                         case 'F': /* FALSE */
1705                         case 'n': /* no */
1706                         case 'N': /* NO */
1707                                 retdb->attributes.unique_subject = 0;
1708                                 break;
1709                         case 't': /* true */
1710                         case 'T': /* TRUE */
1711                         case 'y': /* yes */
1712                         case 'Y': /* YES */
1713                         default:
1714                                 retdb->attributes.unique_subject = 1;
1715                                 break;
1716                                 }
1717                         }
1718                 }
1719
1720  err:
1721         if (dbattr_conf) NCONF_free(dbattr_conf);
1722         if (tmpdb) TXT_DB_free(tmpdb);
1723         if (in) BIO_free_all(in);
1724         return retdb;
1725         }
1726
1727 int index_index(CA_DB *db)
1728         {
1729         if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1730                                 LHASH_HASH_FN(index_serial_hash),
1731                                 LHASH_COMP_FN(index_serial_cmp)))
1732                 {
1733                 BIO_printf(bio_err,
1734                   "error creating serial number index:(%ld,%ld,%ld)\n",
1735                                         db->db->error,db->db->arg1,db->db->arg2);
1736                         return 0;
1737                 }
1738
1739         if (db->attributes.unique_subject
1740                 && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1741                         LHASH_HASH_FN(index_name_hash),
1742                         LHASH_COMP_FN(index_name_cmp)))
1743                 {
1744                 BIO_printf(bio_err,"error creating name index:(%ld,%ld,%ld)\n",
1745                         db->db->error,db->db->arg1,db->db->arg2);
1746                 return 0;
1747                 }
1748         return 1;
1749         }
1750
1751 int save_index(char *dbfile, char *suffix, CA_DB *db)
1752         {
1753         char buf[3][BSIZE];
1754         BIO *out = BIO_new(BIO_s_file());
1755         int j;
1756
1757         if (out == NULL)
1758                 {
1759                 ERR_print_errors(bio_err);
1760                 goto err;
1761                 }
1762
1763         j = strlen(dbfile) + strlen(suffix);
1764         if (j + 6 >= BSIZE)
1765                 {
1766                 BIO_printf(bio_err,"file name too long\n");
1767                 goto err;
1768                 }
1769
1770 #ifndef OPENSSL_SYS_VMS
1771         j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr", dbfile);
1772 #else
1773         j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr", dbfile);
1774 #endif
1775 #ifndef OPENSSL_SYS_VMS
1776         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.attr.%s", dbfile, suffix);
1777 #else
1778         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-attr-%s", dbfile, suffix);
1779 #endif
1780 #ifndef OPENSSL_SYS_VMS
1781         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", dbfile, suffix);
1782 #else
1783         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", dbfile, suffix);
1784 #endif
1785 #ifdef RL_DEBUG
1786         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1787 #endif
1788         if (BIO_write_filename(out,buf[0]) <= 0)
1789                 {
1790                 perror(dbfile);
1791                 BIO_printf(bio_err,"unable to open '%s'\n", dbfile);
1792                 goto err;
1793                 }
1794         j=TXT_DB_write(out,db->db);
1795         if (j <= 0) goto err;
1796                         
1797         BIO_free(out);
1798
1799         out = BIO_new(BIO_s_file());
1800 #ifdef RL_DEBUG
1801         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[1]);
1802 #endif
1803         if (BIO_write_filename(out,buf[1]) <= 0)
1804                 {
1805                 perror(buf[2]);
1806                 BIO_printf(bio_err,"unable to open '%s'\n", buf[2]);
1807                 goto err;
1808                 }
1809         BIO_printf(out,"unique_subject = %s\n",
1810                 db->attributes.unique_subject ? "yes" : "no");
1811         BIO_free(out);
1812
1813         return 1;
1814  err:
1815         return 0;
1816         }
1817
1818 int rotate_index(char *dbfile, char *new_suffix, char *old_suffix)
1819         {
1820         char buf[5][BSIZE];
1821         int i,j;
1822         struct stat sb;
1823
1824         i = strlen(dbfile) + strlen(old_suffix);
1825         j = strlen(dbfile) + strlen(new_suffix);
1826         if (i > j) j = i;
1827         if (j + 6 >= BSIZE)
1828                 {
1829                 BIO_printf(bio_err,"file name too long\n");
1830                 goto err;
1831                 }
1832
1833 #ifndef OPENSSL_SYS_VMS
1834         j = BIO_snprintf(buf[4], sizeof buf[4], "%s.attr", dbfile);
1835 #else
1836         j = BIO_snprintf(buf[4], sizeof buf[4], "%s-attr", dbfile);
1837 #endif
1838 #ifndef OPENSSL_SYS_VMS
1839         j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr.%s",
1840                 dbfile, new_suffix);
1841 #else
1842         j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr-%s",
1843                 dbfile, new_suffix);
1844 #endif
1845 #ifndef OPENSSL_SYS_VMS
1846         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1847                 dbfile, new_suffix);
1848 #else
1849         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1850                 dbfile, new_suffix);
1851 #endif
1852 #ifndef OPENSSL_SYS_VMS
1853         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1854                 dbfile, old_suffix);
1855 #else
1856         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
1857                 dbfile, old_suffix);
1858 #endif
1859 #ifndef OPENSSL_SYS_VMS
1860         j = BIO_snprintf(buf[3], sizeof buf[3], "%s.attr.%s",
1861                 dbfile, old_suffix);
1862 #else
1863         j = BIO_snprintf(buf[3], sizeof buf[3], "%s-attr-%s",
1864                 dbfile, old_suffix);
1865 #endif
1866         if (stat(dbfile,&sb) < 0)
1867                 {
1868                 if (errno != ENOENT 
1869 #ifdef ENOTDIR
1870                         && errno != ENOTDIR)
1871 #endif
1872                         goto err;
1873                 }
1874         else
1875                 {
1876 #ifdef RL_DEBUG
1877                 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1878                         dbfile, buf[1]);
1879 #endif
1880                 if (rename(dbfile,buf[1]) < 0)
1881                         {
1882                         BIO_printf(bio_err,
1883                                 "unable to rename %s to %s\n",
1884                                 dbfile, buf[1]);
1885                         perror("reason");
1886                         goto err;
1887                         }
1888                 }
1889 #ifdef RL_DEBUG
1890         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1891                 buf[0],dbfile);
1892 #endif
1893         if (rename(buf[0],dbfile) < 0)
1894                 {
1895                 BIO_printf(bio_err,
1896                         "unable to rename %s to %s\n",
1897                         buf[0],dbfile);
1898                 perror("reason");
1899                 rename(buf[1],dbfile);
1900                 goto err;
1901                 }
1902         if (stat(buf[4],&sb) < 0)
1903                 {
1904                 if (errno != ENOENT 
1905 #ifdef ENOTDIR
1906                         && errno != ENOTDIR)
1907 #endif
1908                         goto err;
1909                 }
1910         else
1911                 {
1912 #ifdef RL_DEBUG
1913                 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1914                         buf[4],buf[3]);
1915 #endif
1916                 if (rename(buf[4],buf[3]) < 0)
1917                         {
1918                         BIO_printf(bio_err,
1919                                 "unable to rename %s to %s\n",
1920                                 buf[4], buf[3]);
1921                         perror("reason");
1922                         rename(dbfile,buf[0]);
1923                         rename(buf[1],dbfile);
1924                         goto err;
1925                         }
1926                 }
1927 #ifdef RL_DEBUG
1928         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1929                 buf[2],buf[4]);
1930 #endif
1931         if (rename(buf[2],buf[4]) < 0)
1932                 {
1933                 BIO_printf(bio_err,
1934                         "unable to rename %s to %s\n",
1935                         buf[2],buf[4]);
1936                 perror("reason");
1937                 rename(buf[3],buf[4]);
1938                 rename(dbfile,buf[0]);
1939                 rename(buf[1],dbfile);
1940                 goto err;
1941                 }
1942         return 1;
1943  err:
1944         return 0;
1945         }
1946
1947 void free_index(CA_DB *db)
1948         {
1949         if (db)
1950                 {
1951                 if (db->db) TXT_DB_free(db->db);
1952                 OPENSSL_free(db);
1953                 }
1954         }
1955
1956 /* This code MUST COME AFTER anything that uses rename() */
1957 #ifdef OPENSSL_SYS_WIN32
1958 int WIN32_rename(char *from, char *to)
1959         {
1960 #ifndef OPENSSL_SYS_WINCE
1961         /* Windows rename gives an error if 'to' exists, so delete it
1962          * first and ignore file not found errror
1963          */
1964         if((remove(to) != 0) && (errno != ENOENT))
1965                 return -1;
1966 #undef rename
1967         return rename(from, to);
1968 #else
1969         /* convert strings to UNICODE */
1970         {
1971         BOOL result = FALSE;
1972         WCHAR* wfrom;
1973         WCHAR* wto;
1974         int i;
1975         wfrom = malloc((strlen(from)+1)*2);
1976         wto = malloc((strlen(to)+1)*2);
1977         if (wfrom != NULL && wto != NULL)
1978                 {
1979                 for (i=0; i<(int)strlen(from)+1; i++)
1980                         wfrom[i] = (short)from[i];
1981                 for (i=0; i<(int)strlen(to)+1; i++)
1982                         wto[i] = (short)to[i];
1983                 result = MoveFile(wfrom, wto);
1984                 }
1985         if (wfrom != NULL)
1986                 free(wfrom);
1987         if (wto != NULL)
1988                 free(wto);
1989         return result;
1990         }
1991 #endif
1992         }
1993 #endif