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[openssl.git] / 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 #if !defined(_POSIX_C_SOURCE) && defined(OPENSSL_SYS_VMS)
113 #define _POSIX_C_SOURCE 2       /* On VMS, you need to define this to get
114                                    the declaration of fileno().  The value
115                                    2 is to make sure no function defined
116                                    in POSIX-2 is left undefined. */
117 #endif
118 #include <stdio.h>
119 #include <stdlib.h>
120 #include <string.h>
121 #if !defined(OPENSSL_SYSNAME_WIN32) && !defined(OPENSSL_SYSNAME_WINCE) && !defined(NETWARE_CLIB)
122 #include <strings.h>
123 #endif
124 #include <sys/types.h>
125 #include <ctype.h>
126 #include <errno.h>
127 #include <assert.h>
128 #include <openssl/err.h>
129 #include <openssl/x509.h>
130 #include <openssl/x509v3.h>
131 #include <openssl/pem.h>
132 #include <openssl/pkcs12.h>
133 #include <openssl/ui.h>
134 #include <openssl/safestack.h>
135 #ifndef OPENSSL_NO_ENGINE
136 #include <openssl/engine.h>
137 #endif
138 #ifndef OPENSSL_NO_RSA
139 #include <openssl/rsa.h>
140 #endif
141 #include <openssl/bn.h>
142 #ifndef OPENSSL_NO_JPAKE
143 #include <openssl/jpake.h>
144 #endif
145
146 #define NON_MAIN
147 #include "apps.h"
148 #undef NON_MAIN
149
150 #ifdef _WIN32
151 static int WIN32_rename(const char *from, const char *to);
152 #define rename(from,to) WIN32_rename((from),(to))
153 #endif
154
155 typedef struct {
156         const char *name;
157         unsigned long flag;
158         unsigned long mask;
159 } NAME_EX_TBL;
160
161 static UI_METHOD *ui_method = NULL;
162
163 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
164 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
165
166 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
167 /* Looks like this stuff is worth moving into separate function */
168 static EVP_PKEY *
169 load_netscape_key(BIO *err, BIO *key, const char *file,
170                 const char *key_descrip, int format);
171 #endif
172
173 int app_init(long mesgwin);
174 #ifdef undef /* never finished - probably never will be :-) */
175 int args_from_file(char *file, int *argc, char **argv[])
176         {
177         FILE *fp;
178         int num,i;
179         unsigned int len;
180         static char *buf=NULL;
181         static char **arg=NULL;
182         char *p;
183
184         fp=fopen(file,"r");
185         if (fp == NULL)
186                 return(0);
187
188         if (fseek(fp,0,SEEK_END)==0)
189                 len=ftell(fp), rewind(fp);
190         else    len=-1;
191         if (len<=0)
192                 {
193                 fclose(fp);
194                 return(0);
195                 }
196
197         *argc=0;
198         *argv=NULL;
199
200         if (buf != NULL) OPENSSL_free(buf);
201         buf=(char *)OPENSSL_malloc(len+1);
202         if (buf == NULL) return(0);
203
204         len=fread(buf,1,len,fp);
205         if (len <= 1) return(0);
206         buf[len]='\0';
207
208         i=0;
209         for (p=buf; *p; p++)
210                 if (*p == '\n') i++;
211         if (arg != NULL) OPENSSL_free(arg);
212         arg=(char **)OPENSSL_malloc(sizeof(char *)*(i*2));
213
214         *argv=arg;
215         num=0;
216         p=buf;
217         for (;;)
218                 {
219                 if (!*p) break;
220                 if (*p == '#') /* comment line */
221                         {
222                         while (*p && (*p != '\n')) p++;
223                         continue;
224                         }
225                 /* else we have a line */
226                 *(arg++)=p;
227                 num++;
228                 while (*p && ((*p != ' ') && (*p != '\t') && (*p != '\n')))
229                         p++;
230                 if (!*p) break;
231                 if (*p == '\n')
232                         {
233                         *(p++)='\0';
234                         continue;
235                         }
236                 /* else it is a tab or space */
237                 p++;
238                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
239                         p++;
240                 if (!*p) break;
241                 if (*p == '\n')
242                         {
243                         p++;
244                         continue;
245                         }
246                 *(arg++)=p++;
247                 num++;
248                 while (*p && (*p != '\n')) p++;
249                 if (!*p) break;
250                 /* else *p == '\n' */
251                 *(p++)='\0';
252                 }
253         *argc=num;
254         return(1);
255         }
256 #endif
257
258 int str2fmt(char *s)
259         {
260         if (s == NULL)
261                 return FORMAT_UNDEF;
262         if      ((*s == 'D') || (*s == 'd'))
263                 return(FORMAT_ASN1);
264         else if ((*s == 'T') || (*s == 't'))
265                 return(FORMAT_TEXT);
266         else if ((*s == 'N') || (*s == 'n'))
267                 return(FORMAT_NETSCAPE);
268         else if ((*s == 'S') || (*s == 's'))
269                 return(FORMAT_SMIME);
270         else if ((*s == 'M') || (*s == 'm'))
271                 return(FORMAT_MSBLOB);
272         else if ((*s == '1')
273                 || (strcmp(s,"PKCS12") == 0) || (strcmp(s,"pkcs12") == 0)
274                 || (strcmp(s,"P12") == 0) || (strcmp(s,"p12") == 0))
275                 return(FORMAT_PKCS12);
276         else if ((*s == 'E') || (*s == 'e'))
277                 return(FORMAT_ENGINE);
278         else if ((*s == 'H') || (*s == 'h'))
279                 return FORMAT_HTTP;
280         else if ((*s == 'P') || (*s == 'p'))
281                 {
282                 if (s[1] == 'V' || s[1] == 'v')
283                         return FORMAT_PVK;
284                 else
285                         return(FORMAT_PEM);
286                 }
287         else
288                 return(FORMAT_UNDEF);
289         }
290
291 #if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16) || defined(OPENSSL_SYS_NETWARE)
292 void program_name(char *in, char *out, int size)
293         {
294         int i,n;
295         char *p=NULL;
296
297         n=strlen(in);
298         /* find the last '/', '\' or ':' */
299         for (i=n-1; i>0; i--)
300                 {
301                 if ((in[i] == '/') || (in[i] == '\\') || (in[i] == ':'))
302                         {
303                         p= &(in[i+1]);
304                         break;
305                         }
306                 }
307         if (p == NULL)
308                 p=in;
309         n=strlen(p);
310
311 #if defined(OPENSSL_SYS_NETWARE)
312    /* strip off trailing .nlm if present. */
313    if ((n > 4) && (p[n-4] == '.') &&
314       ((p[n-3] == 'n') || (p[n-3] == 'N')) &&
315       ((p[n-2] == 'l') || (p[n-2] == 'L')) &&
316       ((p[n-1] == 'm') || (p[n-1] == 'M')))
317       n-=4;
318 #else
319         /* strip off trailing .exe if present. */
320         if ((n > 4) && (p[n-4] == '.') &&
321                 ((p[n-3] == 'e') || (p[n-3] == 'E')) &&
322                 ((p[n-2] == 'x') || (p[n-2] == 'X')) &&
323                 ((p[n-1] == 'e') || (p[n-1] == 'E')))
324                 n-=4;
325 #endif
326
327         if (n > size-1)
328                 n=size-1;
329
330         for (i=0; i<n; i++)
331                 {
332                 if ((p[i] >= 'A') && (p[i] <= 'Z'))
333                         out[i]=p[i]-'A'+'a';
334                 else
335                         out[i]=p[i];
336                 }
337         out[n]='\0';
338         }
339 #else
340 #ifdef OPENSSL_SYS_VMS
341 void program_name(char *in, char *out, int size)
342         {
343         char *p=in, *q;
344         char *chars=":]>";
345
346         while(*chars != '\0')
347                 {
348                 q=strrchr(p,*chars);
349                 if (q > p)
350                         p = q + 1;
351                 chars++;
352                 }
353
354         q=strrchr(p,'.');
355         if (q == NULL)
356                 q = p + strlen(p);
357         strncpy(out,p,size-1);
358         if (q-p >= size)
359                 {
360                 out[size-1]='\0';
361                 }
362         else
363                 {
364                 out[q-p]='\0';
365                 }
366         }
367 #else
368 void program_name(char *in, char *out, int size)
369         {
370         char *p;
371
372         p=strrchr(in,'/');
373         if (p != NULL)
374                 p++;
375         else
376                 p=in;
377         BUF_strlcpy(out,p,size);
378         }
379 #endif
380 #endif
381
382 int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
383         {
384         int num,i;
385         char *p;
386
387         *argc=0;
388         *argv=NULL;
389
390         i=0;
391         if (arg->count == 0)
392                 {
393                 arg->count=20;
394                 arg->data=(char **)OPENSSL_malloc(sizeof(char *)*arg->count);
395                 }
396         for (i=0; i<arg->count; i++)
397                 arg->data[i]=NULL;
398
399         num=0;
400         p=buf;
401         for (;;)
402                 {
403                 /* first scan over white space */
404                 if (!*p) break;
405                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
406                         p++;
407                 if (!*p) break;
408
409                 /* The start of something good :-) */
410                 if (num >= arg->count)
411                         {
412                         char **tmp_p;
413                         int tlen = arg->count + 20;
414                         tmp_p = (char **)OPENSSL_realloc(arg->data,
415                                 sizeof(char *)*tlen);
416                         if (tmp_p == NULL)
417                                 return 0;
418                         arg->data  = tmp_p;
419                         arg->count = tlen;
420                         /* initialize newly allocated data */
421                         for (i = num; i < arg->count; i++)
422                                 arg->data[i] = NULL;
423                         }
424                 arg->data[num++]=p;
425
426                 /* now look for the end of this */
427                 if ((*p == '\'') || (*p == '\"')) /* scan for closing quote */
428                         {
429                         i= *(p++);
430                         arg->data[num-1]++; /* jump over quote */
431                         while (*p && (*p != i))
432                                 p++;
433                         *p='\0';
434                         }
435                 else
436                         {
437                         while (*p && ((*p != ' ') &&
438                                 (*p != '\t') && (*p != '\n')))
439                                 p++;
440
441                         if (*p == '\0')
442                                 p--;
443                         else
444                                 *p='\0';
445                         }
446                 p++;
447                 }
448         *argc=num;
449         *argv=arg->data;
450         return(1);
451         }
452
453 #ifndef APP_INIT
454 int app_init(long mesgwin)
455         {
456         return(1);
457         }
458 #endif
459
460
461 int dump_cert_text (BIO *out, X509 *x)
462 {
463         char *p;
464
465         p=X509_NAME_oneline(X509_get_subject_name(x),NULL,0);
466         BIO_puts(out,"subject=");
467         BIO_puts(out,p);
468         OPENSSL_free(p);
469
470         p=X509_NAME_oneline(X509_get_issuer_name(x),NULL,0);
471         BIO_puts(out,"\nissuer=");
472         BIO_puts(out,p);
473         BIO_puts(out,"\n");
474         OPENSSL_free(p);
475
476         return 0;
477 }
478
479 static int ui_open(UI *ui)
480         {
481         return UI_method_get_opener(UI_OpenSSL())(ui);
482         }
483 static int ui_read(UI *ui, UI_STRING *uis)
484         {
485         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
486                 && UI_get0_user_data(ui))
487                 {
488                 switch(UI_get_string_type(uis))
489                         {
490                 case UIT_PROMPT:
491                 case UIT_VERIFY:
492                         {
493                         const char *password =
494                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
495                         if (password && password[0] != '\0')
496                                 {
497                                 UI_set_result(ui, uis, password);
498                                 return 1;
499                                 }
500                         }
501                 default:
502                         break;
503                         }
504                 }
505         return UI_method_get_reader(UI_OpenSSL())(ui, uis);
506         }
507 static int ui_write(UI *ui, UI_STRING *uis)
508         {
509         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
510                 && UI_get0_user_data(ui))
511                 {
512                 switch(UI_get_string_type(uis))
513                         {
514                 case UIT_PROMPT:
515                 case UIT_VERIFY:
516                         {
517                         const char *password =
518                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
519                         if (password && password[0] != '\0')
520                                 return 1;
521                         }
522                 default:
523                         break;
524                         }
525                 }
526         return UI_method_get_writer(UI_OpenSSL())(ui, uis);
527         }
528 static int ui_close(UI *ui)
529         {
530         return UI_method_get_closer(UI_OpenSSL())(ui);
531         }
532 int setup_ui_method(void)
533         {
534         ui_method = UI_create_method("OpenSSL application user interface");
535         UI_method_set_opener(ui_method, ui_open);
536         UI_method_set_reader(ui_method, ui_read);
537         UI_method_set_writer(ui_method, ui_write);
538         UI_method_set_closer(ui_method, ui_close);
539         return 0;
540         }
541 void destroy_ui_method(void)
542         {
543         if(ui_method)
544                 {
545                 UI_destroy_method(ui_method);
546                 ui_method = NULL;
547                 }
548         }
549 int password_callback(char *buf, int bufsiz, int verify,
550         PW_CB_DATA *cb_tmp)
551         {
552         UI *ui = NULL;
553         int res = 0;
554         const char *prompt_info = NULL;
555         const char *password = NULL;
556         PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp;
557
558         if (cb_data)
559                 {
560                 if (cb_data->password)
561                         password = cb_data->password;
562                 if (cb_data->prompt_info)
563                         prompt_info = cb_data->prompt_info;
564                 }
565
566         if (password)
567                 {
568                 res = strlen(password);
569                 if (res > bufsiz)
570                         res = bufsiz;
571                 memcpy(buf, password, res);
572                 return res;
573                 }
574
575         ui = UI_new_method(ui_method);
576         if (ui)
577                 {
578                 int ok = 0;
579                 char *buff = NULL;
580                 int ui_flags = 0;
581                 char *prompt = NULL;
582
583                 prompt = UI_construct_prompt(ui, "pass phrase",
584                         prompt_info);
585
586                 ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
587                 UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
588
589                 if (ok >= 0)
590                         ok = UI_add_input_string(ui,prompt,ui_flags,buf,
591                                 PW_MIN_LENGTH,BUFSIZ-1);
592                 if (ok >= 0 && verify)
593                         {
594                         buff = (char *)OPENSSL_malloc(bufsiz);
595                         ok = UI_add_verify_string(ui,prompt,ui_flags,buff,
596                                 PW_MIN_LENGTH,BUFSIZ-1, buf);
597                         }
598                 if (ok >= 0)
599                         do
600                                 {
601                                 ok = UI_process(ui);
602                                 }
603                         while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
604
605                 if (buff)
606                         {
607                         OPENSSL_cleanse(buff,(unsigned int)bufsiz);
608                         OPENSSL_free(buff);
609                         }
610
611                 if (ok >= 0)
612                         res = strlen(buf);
613                 if (ok == -1)
614                         {
615                         BIO_printf(bio_err, "User interface error\n");
616                         ERR_print_errors(bio_err);
617                         OPENSSL_cleanse(buf,(unsigned int)bufsiz);
618                         res = 0;
619                         }
620                 if (ok == -2)
621                         {
622                         BIO_printf(bio_err,"aborted!\n");
623                         OPENSSL_cleanse(buf,(unsigned int)bufsiz);
624                         res = 0;
625                         }
626                 UI_free(ui);
627                 OPENSSL_free(prompt);
628                 }
629         return res;
630         }
631
632 static char *app_get_pass(BIO *err, char *arg, int keepbio);
633
634 int app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2)
635 {
636         int same;
637         if(!arg2 || !arg1 || strcmp(arg1, arg2)) same = 0;
638         else same = 1;
639         if(arg1) {
640                 *pass1 = app_get_pass(err, arg1, same);
641                 if(!*pass1) return 0;
642         } else if(pass1) *pass1 = NULL;
643         if(arg2) {
644                 *pass2 = app_get_pass(err, arg2, same ? 2 : 0);
645                 if(!*pass2) return 0;
646         } else if(pass2) *pass2 = NULL;
647         return 1;
648 }
649
650 static char *app_get_pass(BIO *err, char *arg, int keepbio)
651 {
652         char *tmp, tpass[APP_PASS_LEN];
653         static BIO *pwdbio = NULL;
654         int i;
655         if(!strncmp(arg, "pass:", 5)) return BUF_strdup(arg + 5);
656         if(!strncmp(arg, "env:", 4)) {
657                 tmp = getenv(arg + 4);
658                 if(!tmp) {
659                         BIO_printf(err, "Can't read environment variable %s\n", arg + 4);
660                         return NULL;
661                 }
662                 return BUF_strdup(tmp);
663         }
664         if(!keepbio || !pwdbio) {
665                 if(!strncmp(arg, "file:", 5)) {
666                         pwdbio = BIO_new_file(arg + 5, "r");
667                         if(!pwdbio) {
668                                 BIO_printf(err, "Can't open file %s\n", arg + 5);
669                                 return NULL;
670                         }
671 #if !defined(_WIN32)
672                 /*
673                  * Under _WIN32, which covers even Win64 and CE, file
674                  * descriptors referenced by BIO_s_fd are not inherited
675                  * by child process and therefore below is not an option.
676                  * It could have been an option if bss_fd.c was operating
677                  * on real Windows descriptors, such as those obtained
678                  * with CreateFile.
679                  */
680                 } else if(!strncmp(arg, "fd:", 3)) {
681                         BIO *btmp;
682                         i = atoi(arg + 3);
683                         if(i >= 0) pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
684                         if((i < 0) || !pwdbio) {
685                                 BIO_printf(err, "Can't access file descriptor %s\n", arg + 3);
686                                 return NULL;
687                         }
688                         /* Can't do BIO_gets on an fd BIO so add a buffering BIO */
689                         btmp = BIO_new(BIO_f_buffer());
690                         pwdbio = BIO_push(btmp, pwdbio);
691 #endif
692                 } else if(!strcmp(arg, "stdin")) {
693                         pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE);
694                         if(!pwdbio) {
695                                 BIO_printf(err, "Can't open BIO for stdin\n");
696                                 return NULL;
697                         }
698                 } else {
699                         BIO_printf(err, "Invalid password argument \"%s\"\n", arg);
700                         return NULL;
701                 }
702         }
703         i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
704         if(keepbio != 1) {
705                 BIO_free_all(pwdbio);
706                 pwdbio = NULL;
707         }
708         if(i <= 0) {
709                 BIO_printf(err, "Error reading password from BIO\n");
710                 return NULL;
711         }
712         tmp = strchr(tpass, '\n');
713         if(tmp) *tmp = 0;
714         return BUF_strdup(tpass);
715 }
716
717 int add_oid_section(BIO *err, CONF *conf)
718 {       
719         char *p;
720         STACK_OF(CONF_VALUE) *sktmp;
721         CONF_VALUE *cnf;
722         int i;
723         if(!(p=NCONF_get_string(conf,NULL,"oid_section")))
724                 {
725                 ERR_clear_error();
726                 return 1;
727                 }
728         if(!(sktmp = NCONF_get_section(conf, p))) {
729                 BIO_printf(err, "problem loading oid section %s\n", p);
730                 return 0;
731         }
732         for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
733                 cnf = sk_CONF_VALUE_value(sktmp, i);
734                 if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
735                         BIO_printf(err, "problem creating object %s=%s\n",
736                                                          cnf->name, cnf->value);
737                         return 0;
738                 }
739         }
740         return 1;
741 }
742
743 static int load_pkcs12(BIO *err, BIO *in, const char *desc,
744                 pem_password_cb *pem_cb,  void *cb_data,
745                 EVP_PKEY **pkey, X509 **cert, STACK_OF(X509) **ca)
746         {
747         const char *pass;
748         char tpass[PEM_BUFSIZE];
749         int len, ret = 0;
750         PKCS12 *p12;
751         p12 = d2i_PKCS12_bio(in, NULL);
752         if (p12 == NULL)
753                 {
754                 BIO_printf(err, "Error loading PKCS12 file for %s\n", desc);    
755                 goto die;
756                 }
757         /* See if an empty password will do */
758         if (PKCS12_verify_mac(p12, "", 0) || PKCS12_verify_mac(p12, NULL, 0))
759                 pass = "";
760         else
761                 {
762                 if (!pem_cb)
763                         pem_cb = (pem_password_cb *)password_callback;
764                 len = pem_cb(tpass, PEM_BUFSIZE, 0, cb_data);
765                 if (len < 0) 
766                         {
767                         BIO_printf(err, "Passpharse callback error for %s\n",
768                                         desc);
769                         goto die;
770                         }
771                 if (len < PEM_BUFSIZE)
772                         tpass[len] = 0;
773                 if (!PKCS12_verify_mac(p12, tpass, len))
774                         {
775                         BIO_printf(err,
776         "Mac verify error (wrong password?) in PKCS12 file for %s\n", desc);    
777                         goto die;
778                         }
779                 pass = tpass;
780                 }
781         ret = PKCS12_parse(p12, pass, pkey, cert, ca);
782         die:
783         if (p12)
784                 PKCS12_free(p12);
785         return ret;
786         }
787
788 int load_cert_crl_http(const char *url, BIO *err,
789                                         X509 **pcert, X509_CRL **pcrl)
790         {
791         char *host = NULL, *port = NULL, *path = NULL;
792         BIO *bio = NULL;
793         OCSP_REQ_CTX *rctx = NULL;
794         int use_ssl, rv = 0;
795         if (!OCSP_parse_url(url, &host, &port, &path, &use_ssl))
796                 goto err;
797         if (use_ssl)
798                 {
799                 if (err)
800                         BIO_puts(err, "https not supported\n");
801                 goto err;
802                 }
803         bio = BIO_new_connect(host);
804         if (!bio || !BIO_set_conn_port(bio, port))
805                 goto err;
806         rctx = OCSP_REQ_CTX_new(bio, 1024);
807         if (!rctx)
808                 goto err;
809         if (!OCSP_REQ_CTX_http(rctx, "GET", path))
810                 goto err;
811         if (!OCSP_REQ_CTX_add1_header(rctx, "Host", host))
812                 goto err;
813         if (pcert)
814                 {
815                 do
816                         {
817                         rv = X509_http_nbio(rctx, pcert);
818                         }
819                 while (rv == -1);
820                 }
821         else
822                 {
823                 do
824                         {
825                         rv = X509_CRL_http_nbio(rctx, pcrl);
826                         } while (rv == -1);
827                 }
828
829         err:
830         if (host)
831                 OPENSSL_free(host);
832         if (path)
833                 OPENSSL_free(path);
834         if (port)
835                 OPENSSL_free(port);
836         if (bio)
837                 BIO_free_all(bio);
838         if (rctx)
839                 OCSP_REQ_CTX_free(rctx);
840         if (rv != 1)
841                 {
842                 if (bio && err)
843                         BIO_printf(bio_err, "Error loading %s from %s\n",
844                                         pcert ? "certificate" : "CRL", url);
845                 ERR_print_errors(bio_err);
846                 }
847         return rv;
848         }
849
850 X509 *load_cert(BIO *err, const char *file, int format,
851         const char *pass, ENGINE *e, const char *cert_descrip)
852         {
853         X509 *x=NULL;
854         BIO *cert;
855
856         if (format == FORMAT_HTTP)
857                 {
858                 load_cert_crl_http(file, err, &x, NULL);
859                 return x;
860                 }
861
862         if ((cert=BIO_new(BIO_s_file())) == NULL)
863                 {
864                 ERR_print_errors(err);
865                 goto end;
866                 }
867
868         if (file == NULL)
869                 {
870 #ifdef _IONBF
871 # ifndef OPENSSL_NO_SETVBUF_IONBF
872                 setvbuf(stdin, NULL, _IONBF, 0);
873 # endif /* ndef OPENSSL_NO_SETVBUF_IONBF */
874 #endif
875                 BIO_set_fp(cert,stdin,BIO_NOCLOSE);
876                 }
877         else
878                 {
879                 if (BIO_read_filename(cert,file) <= 0)
880                         {
881                         BIO_printf(err, "Error opening %s %s\n",
882                                 cert_descrip, file);
883                         ERR_print_errors(err);
884                         goto end;
885                         }
886                 }
887
888         if      (format == FORMAT_ASN1)
889                 x=d2i_X509_bio(cert,NULL);
890         else if (format == FORMAT_NETSCAPE)
891                 {
892                 NETSCAPE_X509 *nx;
893                 nx=ASN1_item_d2i_bio(ASN1_ITEM_rptr(NETSCAPE_X509),cert,NULL);
894                 if (nx == NULL)
895                                 goto end;
896
897                 if ((strncmp(NETSCAPE_CERT_HDR,(char *)nx->header->data,
898                         nx->header->length) != 0))
899                         {
900                         NETSCAPE_X509_free(nx);
901                         BIO_printf(err,"Error reading header on certificate\n");
902                         goto end;
903                         }
904                 x=nx->cert;
905                 nx->cert = NULL;
906                 NETSCAPE_X509_free(nx);
907                 }
908         else if (format == FORMAT_PEM)
909                 x=PEM_read_bio_X509_AUX(cert,NULL,
910                         (pem_password_cb *)password_callback, NULL);
911         else if (format == FORMAT_PKCS12)
912                 {
913                 if (!load_pkcs12(err, cert,cert_descrip, NULL, NULL,
914                                         NULL, &x, NULL))
915                         goto end;
916                 }
917         else    {
918                 BIO_printf(err,"bad input format specified for %s\n",
919                         cert_descrip);
920                 goto end;
921                 }
922 end:
923         if (x == NULL)
924                 {
925                 BIO_printf(err,"unable to load certificate\n");
926                 ERR_print_errors(err);
927                 }
928         if (cert != NULL) BIO_free(cert);
929         return(x);
930         }
931
932 X509_CRL *load_crl(const char *infile, int format)
933         {
934         X509_CRL *x=NULL;
935         BIO *in=NULL;
936
937         if (format == FORMAT_HTTP)
938                 {
939                 load_cert_crl_http(infile, bio_err, NULL, &x);
940                 return x;
941                 }
942
943         in=BIO_new(BIO_s_file());
944         if (in == NULL)
945                 {
946                 ERR_print_errors(bio_err);
947                 goto end;
948                 }
949
950         if (infile == NULL)
951                 BIO_set_fp(in,stdin,BIO_NOCLOSE);
952         else
953                 {
954                 if (BIO_read_filename(in,infile) <= 0)
955                         {
956                         perror(infile);
957                         goto end;
958                         }
959                 }
960         if      (format == FORMAT_ASN1)
961                 x=d2i_X509_CRL_bio(in,NULL);
962         else if (format == FORMAT_PEM)
963                 x=PEM_read_bio_X509_CRL(in,NULL,NULL,NULL);
964         else    {
965                 BIO_printf(bio_err,"bad input format specified for input crl\n");
966                 goto end;
967                 }
968         if (x == NULL)
969                 {
970                 BIO_printf(bio_err,"unable to load CRL\n");
971                 ERR_print_errors(bio_err);
972                 goto end;
973                 }
974         
975 end:
976         BIO_free(in);
977         return(x);
978         }
979
980
981 EVP_PKEY *load_key(BIO *err, const char *file, int format, int maybe_stdin,
982         const char *pass, ENGINE *e, const char *key_descrip)
983         {
984         BIO *key=NULL;
985         EVP_PKEY *pkey=NULL;
986         PW_CB_DATA cb_data;
987
988         cb_data.password = pass;
989         cb_data.prompt_info = file;
990
991         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
992                 {
993                 BIO_printf(err,"no keyfile specified\n");
994                 goto end;
995                 }
996 #ifndef OPENSSL_NO_ENGINE
997         if (format == FORMAT_ENGINE)
998                 {
999                 if (!e)
1000                         BIO_printf(err,"no engine specified\n");
1001                 else
1002                         {
1003                         pkey = ENGINE_load_private_key(e, file,
1004                                 ui_method, &cb_data);
1005                         if (!pkey) 
1006                                 {
1007                                 BIO_printf(err,"cannot load %s from engine\n",key_descrip);
1008                                 ERR_print_errors(err);
1009                                 }       
1010                         }
1011                 goto end;
1012                 }
1013 #endif
1014         key=BIO_new(BIO_s_file());
1015         if (key == NULL)
1016                 {
1017                 ERR_print_errors(err);
1018                 goto end;
1019                 }
1020         if (file == NULL && maybe_stdin)
1021                 {
1022 #ifdef _IONBF
1023 # ifndef OPENSSL_NO_SETVBUF_IONBF
1024                 setvbuf(stdin, NULL, _IONBF, 0);
1025 # endif /* ndef OPENSSL_NO_SETVBUF_IONBF */
1026 #endif
1027                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
1028                 }
1029         else
1030                 if (BIO_read_filename(key,file) <= 0)
1031                         {
1032                         BIO_printf(err, "Error opening %s %s\n",
1033                                 key_descrip, file);
1034                         ERR_print_errors(err);
1035                         goto end;
1036                         }
1037         if (format == FORMAT_ASN1)
1038                 {
1039                 pkey=d2i_PrivateKey_bio(key, NULL);
1040                 }
1041         else if (format == FORMAT_PEM)
1042                 {
1043                 pkey=PEM_read_bio_PrivateKey(key,NULL,
1044                         (pem_password_cb *)password_callback, &cb_data);
1045                 }
1046 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
1047         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
1048                 pkey = load_netscape_key(err, key, file, key_descrip, format);
1049 #endif
1050         else if (format == FORMAT_PKCS12)
1051                 {
1052                 if (!load_pkcs12(err, key, key_descrip,
1053                                 (pem_password_cb *)password_callback, &cb_data,
1054                                 &pkey, NULL, NULL))
1055                         goto end;
1056                 }
1057 #if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA) && !defined (OPENSSL_NO_RC4)
1058         else if (format == FORMAT_MSBLOB)
1059                 pkey = b2i_PrivateKey_bio(key);
1060         else if (format == FORMAT_PVK)
1061                 pkey = b2i_PVK_bio(key, (pem_password_cb *)password_callback,
1062                                                                 &cb_data);
1063 #endif
1064         else
1065                 {
1066                 BIO_printf(err,"bad input format specified for key file\n");
1067                 goto end;
1068                 }
1069  end:
1070         if (key != NULL) BIO_free(key);
1071         if (pkey == NULL) 
1072                 {
1073                 BIO_printf(err,"unable to load %s\n", key_descrip);
1074                 ERR_print_errors(err);
1075                 }       
1076         return(pkey);
1077         }
1078
1079 EVP_PKEY *load_pubkey(BIO *err, const char *file, int format, int maybe_stdin,
1080         const char *pass, ENGINE *e, const char *key_descrip)
1081         {
1082         BIO *key=NULL;
1083         EVP_PKEY *pkey=NULL;
1084         PW_CB_DATA cb_data;
1085
1086         cb_data.password = pass;
1087         cb_data.prompt_info = file;
1088
1089         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
1090                 {
1091                 BIO_printf(err,"no keyfile specified\n");
1092                 goto end;
1093                 }
1094 #ifndef OPENSSL_NO_ENGINE
1095         if (format == FORMAT_ENGINE)
1096                 {
1097                 if (!e)
1098                         BIO_printf(bio_err,"no engine specified\n");
1099                 else
1100                         pkey = ENGINE_load_public_key(e, file,
1101                                 ui_method, &cb_data);
1102                 goto end;
1103                 }
1104 #endif
1105         key=BIO_new(BIO_s_file());
1106         if (key == NULL)
1107                 {
1108                 ERR_print_errors(err);
1109                 goto end;
1110                 }
1111         if (file == NULL && maybe_stdin)
1112                 {
1113 #ifdef _IONBF
1114 # ifndef OPENSSL_NO_SETVBUF_IONBF
1115                 setvbuf(stdin, NULL, _IONBF, 0);
1116 # endif /* ndef OPENSSL_NO_SETVBUF_IONBF */
1117 #endif
1118                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
1119                 }
1120         else
1121                 if (BIO_read_filename(key,file) <= 0)
1122                         {
1123                         BIO_printf(err, "Error opening %s %s\n",
1124                                 key_descrip, file);
1125                         ERR_print_errors(err);
1126                         goto end;
1127                 }
1128         if (format == FORMAT_ASN1)
1129                 {
1130                 pkey=d2i_PUBKEY_bio(key, NULL);
1131                 }
1132 #ifndef OPENSSL_NO_RSA
1133         else if (format == FORMAT_ASN1RSA)
1134                 {
1135                 RSA *rsa;
1136                 rsa = d2i_RSAPublicKey_bio(key, NULL);
1137                 if (rsa)
1138                         {
1139                         pkey = EVP_PKEY_new();
1140                         if (pkey)
1141                                 EVP_PKEY_set1_RSA(pkey, rsa);
1142                         RSA_free(rsa);
1143                         }
1144                 else
1145                         pkey = NULL;
1146                 }
1147         else if (format == FORMAT_PEMRSA)
1148                 {
1149                 RSA *rsa;
1150                 rsa = PEM_read_bio_RSAPublicKey(key, NULL, 
1151                         (pem_password_cb *)password_callback, &cb_data);
1152                 if (rsa)
1153                         {
1154                         pkey = EVP_PKEY_new();
1155                         if (pkey)
1156                                 EVP_PKEY_set1_RSA(pkey, rsa);
1157                         RSA_free(rsa);
1158                         }
1159                 else
1160                         pkey = NULL;
1161                 }
1162 #endif
1163         else if (format == FORMAT_PEM)
1164                 {
1165                 pkey=PEM_read_bio_PUBKEY(key,NULL,
1166                         (pem_password_cb *)password_callback, &cb_data);
1167                 }
1168 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
1169         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
1170                 pkey = load_netscape_key(err, key, file, key_descrip, format);
1171 #endif
1172 #if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA)
1173         else if (format == FORMAT_MSBLOB)
1174                 pkey = b2i_PublicKey_bio(key);
1175 #endif
1176         else
1177                 {
1178                 BIO_printf(err,"bad input format specified for key file\n");
1179                 goto end;
1180                 }
1181  end:
1182         if (key != NULL) BIO_free(key);
1183         if (pkey == NULL)
1184                 BIO_printf(err,"unable to load %s\n", key_descrip);
1185         return(pkey);
1186         }
1187
1188 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
1189 static EVP_PKEY *
1190 load_netscape_key(BIO *err, BIO *key, const char *file,
1191                 const char *key_descrip, int format)
1192         {
1193         EVP_PKEY *pkey;
1194         BUF_MEM *buf;
1195         RSA     *rsa;
1196         const unsigned char *p;
1197         int size, i;
1198
1199         buf=BUF_MEM_new();
1200         pkey = EVP_PKEY_new();
1201         size = 0;
1202         if (buf == NULL || pkey == NULL)
1203                 goto error;
1204         for (;;)
1205                 {
1206                 if (!BUF_MEM_grow_clean(buf,size+1024*10))
1207                         goto error;
1208                 i = BIO_read(key, &(buf->data[size]), 1024*10);
1209                 size += i;
1210                 if (i == 0)
1211                         break;
1212                 if (i < 0)
1213                         {
1214                                 BIO_printf(err, "Error reading %s %s",
1215                                         key_descrip, file);
1216                                 goto error;
1217                         }
1218                 }
1219         p=(unsigned char *)buf->data;
1220         rsa = d2i_RSA_NET(NULL,&p,(long)size,NULL,
1221                 (format == FORMAT_IISSGC ? 1 : 0));
1222         if (rsa == NULL)
1223                 goto error;
1224         BUF_MEM_free(buf);
1225         EVP_PKEY_set1_RSA(pkey, rsa);
1226         return pkey;
1227 error:
1228         BUF_MEM_free(buf);
1229         EVP_PKEY_free(pkey);
1230         return NULL;
1231         }
1232 #endif /* ndef OPENSSL_NO_RC4 */
1233
1234 static int load_certs_crls(BIO *err, const char *file, int format,
1235         const char *pass, ENGINE *e, const char *desc,
1236         STACK_OF(X509) **pcerts, STACK_OF(X509_CRL) **pcrls)
1237         {
1238         int i;
1239         BIO *bio;
1240         STACK_OF(X509_INFO) *xis = NULL;
1241         X509_INFO *xi;
1242         PW_CB_DATA cb_data;
1243         int rv = 0;
1244
1245         cb_data.password = pass;
1246         cb_data.prompt_info = file;
1247
1248         if (format != FORMAT_PEM)
1249                 {
1250                 BIO_printf(err,"bad input format specified for %s\n", desc);
1251                 return 0;
1252                 }
1253
1254         if (file == NULL)
1255                 bio = BIO_new_fp(stdin,BIO_NOCLOSE);
1256         else
1257                 bio = BIO_new_file(file, "r");
1258
1259         if (bio == NULL)
1260                 {
1261                 BIO_printf(err, "Error opening %s %s\n",
1262                                 desc, file ? file : "stdin");
1263                 ERR_print_errors(err);
1264                 return 0;
1265                 }
1266
1267         xis = PEM_X509_INFO_read_bio(bio, NULL,
1268                                 (pem_password_cb *)password_callback, &cb_data);
1269
1270         BIO_free(bio);
1271
1272         if (pcerts)
1273                 {
1274                 *pcerts = sk_X509_new_null();
1275                 if (!*pcerts)
1276                         goto end;
1277                 }
1278
1279         if (pcrls)
1280                 {
1281                 *pcrls = sk_X509_CRL_new_null();
1282                 if (!*pcrls)
1283                         goto end;
1284                 }
1285
1286         for(i = 0; i < sk_X509_INFO_num(xis); i++)
1287                 {
1288                 xi = sk_X509_INFO_value (xis, i);
1289                 if (xi->x509 && pcerts)
1290                         {
1291                         if (!sk_X509_push(*pcerts, xi->x509))
1292                                 goto end;
1293                         xi->x509 = NULL;
1294                         }
1295                 if (xi->crl && pcrls)
1296                         {
1297                         if (!sk_X509_CRL_push(*pcrls, xi->crl))
1298                                 goto end;
1299                         xi->crl = NULL;
1300                         }
1301                 }
1302
1303         if (pcerts && sk_X509_num(*pcerts) > 0)
1304                 rv = 1;
1305
1306         if (pcrls && sk_X509_CRL_num(*pcrls) > 0)
1307                 rv = 1;
1308
1309         end:
1310
1311         if (xis)
1312                 sk_X509_INFO_pop_free(xis, X509_INFO_free);
1313
1314         if (rv == 0)
1315                 {
1316                 if (pcerts)
1317                         {
1318                         sk_X509_pop_free(*pcerts, X509_free);
1319                         *pcerts = NULL;
1320                         }
1321                 if (pcrls)
1322                         {
1323                         sk_X509_CRL_pop_free(*pcrls, X509_CRL_free);
1324                         *pcrls = NULL;
1325                         }
1326                 BIO_printf(err,"unable to load %s\n",
1327                                 pcerts ? "certificates" : "CRLs");
1328                 ERR_print_errors(err);
1329                 }
1330         return rv;
1331         }
1332
1333 STACK_OF(X509) *load_certs(BIO *err, const char *file, int format,
1334         const char *pass, ENGINE *e, const char *desc)
1335         {
1336         STACK_OF(X509) *certs;
1337         if (!load_certs_crls(err, file, format, pass, e, desc, &certs, NULL))
1338                 return NULL;
1339         return certs;
1340         }       
1341
1342 STACK_OF(X509_CRL) *load_crls(BIO *err, const char *file, int format,
1343         const char *pass, ENGINE *e, const char *desc)
1344         {
1345         STACK_OF(X509_CRL) *crls;
1346         if (!load_certs_crls(err, file, format, pass, e, desc, NULL, &crls))
1347                 return NULL;
1348         return crls;
1349         }       
1350
1351 #define X509V3_EXT_UNKNOWN_MASK         (0xfL << 16)
1352 /* Return error for unknown extensions */
1353 #define X509V3_EXT_DEFAULT              0
1354 /* Print error for unknown extensions */
1355 #define X509V3_EXT_ERROR_UNKNOWN        (1L << 16)
1356 /* ASN1 parse unknown extensions */
1357 #define X509V3_EXT_PARSE_UNKNOWN        (2L << 16)
1358 /* BIO_dump unknown extensions */
1359 #define X509V3_EXT_DUMP_UNKNOWN         (3L << 16)
1360
1361 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1362                          X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1363
1364 int set_cert_ex(unsigned long *flags, const char *arg)
1365 {
1366         static const NAME_EX_TBL cert_tbl[] = {
1367                 { "compatible", X509_FLAG_COMPAT, 0xffffffffl},
1368                 { "ca_default", X509_FLAG_CA, 0xffffffffl},
1369                 { "no_header", X509_FLAG_NO_HEADER, 0},
1370                 { "no_version", X509_FLAG_NO_VERSION, 0},
1371                 { "no_serial", X509_FLAG_NO_SERIAL, 0},
1372                 { "no_signame", X509_FLAG_NO_SIGNAME, 0},
1373                 { "no_validity", X509_FLAG_NO_VALIDITY, 0},
1374                 { "no_subject", X509_FLAG_NO_SUBJECT, 0},
1375                 { "no_issuer", X509_FLAG_NO_ISSUER, 0},
1376                 { "no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1377                 { "no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1378                 { "no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1379                 { "no_aux", X509_FLAG_NO_AUX, 0},
1380                 { "no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1381                 { "ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1382                 { "ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1383                 { "ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1384                 { "ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1385                 { NULL, 0, 0}
1386         };
1387         return set_multi_opts(flags, arg, cert_tbl);
1388 }
1389
1390 int set_name_ex(unsigned long *flags, const char *arg)
1391 {
1392         static const NAME_EX_TBL ex_tbl[] = {
1393                 { "esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1394                 { "esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1395                 { "esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1396                 { "use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1397                 { "utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1398                 { "ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1399                 { "show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1400                 { "dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1401                 { "dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1402                 { "dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1403                 { "compat", XN_FLAG_COMPAT, 0xffffffffL},
1404                 { "sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1405                 { "sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1406                 { "sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1407                 { "sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1408                 { "dn_rev", XN_FLAG_DN_REV, 0},
1409                 { "nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1410                 { "sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1411                 { "lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1412                 { "align", XN_FLAG_FN_ALIGN, 0},
1413                 { "oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1414                 { "space_eq", XN_FLAG_SPC_EQ, 0},
1415                 { "dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1416                 { "RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1417                 { "oneline", XN_FLAG_ONELINE, 0xffffffffL},
1418                 { "multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1419                 { "ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1420                 { NULL, 0, 0}
1421         };
1422         return set_multi_opts(flags, arg, ex_tbl);
1423 }
1424
1425 int set_ext_copy(int *copy_type, const char *arg)
1426 {
1427         if (!strcasecmp(arg, "none"))
1428                 *copy_type = EXT_COPY_NONE;
1429         else if (!strcasecmp(arg, "copy"))
1430                 *copy_type = EXT_COPY_ADD;
1431         else if (!strcasecmp(arg, "copyall"))
1432                 *copy_type = EXT_COPY_ALL;
1433         else
1434                 return 0;
1435         return 1;
1436 }
1437
1438 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1439 {
1440         STACK_OF(X509_EXTENSION) *exts = NULL;
1441         X509_EXTENSION *ext, *tmpext;
1442         ASN1_OBJECT *obj;
1443         int i, idx, ret = 0;
1444         if (!x || !req || (copy_type == EXT_COPY_NONE))
1445                 return 1;
1446         exts = X509_REQ_get_extensions(req);
1447
1448         for(i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1449                 ext = sk_X509_EXTENSION_value(exts, i);
1450                 obj = X509_EXTENSION_get_object(ext);
1451                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1452                 /* Does extension exist? */
1453                 if (idx != -1) {
1454                         /* If normal copy don't override existing extension */
1455                         if (copy_type == EXT_COPY_ADD)
1456                                 continue;
1457                         /* Delete all extensions of same type */
1458                         do {
1459                                 tmpext = X509_get_ext(x, idx);
1460                                 X509_delete_ext(x, idx);
1461                                 X509_EXTENSION_free(tmpext);
1462                                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1463                         } while (idx != -1);
1464                 }
1465                 if (!X509_add_ext(x, ext, -1))
1466                         goto end;
1467         }
1468
1469         ret = 1;
1470
1471         end:
1472
1473         sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1474
1475         return ret;
1476 }
1477                 
1478                 
1479                         
1480
1481 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1482 {
1483         STACK_OF(CONF_VALUE) *vals;
1484         CONF_VALUE *val;
1485         int i, ret = 1;
1486         if(!arg) return 0;
1487         vals = X509V3_parse_list(arg);
1488         for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1489                 val = sk_CONF_VALUE_value(vals, i);
1490                 if (!set_table_opts(flags, val->name, in_tbl))
1491                         ret = 0;
1492         }
1493         sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1494         return ret;
1495 }
1496
1497 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1498 {
1499         char c;
1500         const NAME_EX_TBL *ptbl;
1501         c = arg[0];
1502
1503         if(c == '-') {
1504                 c = 0;
1505                 arg++;
1506         } else if (c == '+') {
1507                 c = 1;
1508                 arg++;
1509         } else c = 1;
1510
1511         for(ptbl = in_tbl; ptbl->name; ptbl++) {
1512                 if(!strcasecmp(arg, ptbl->name)) {
1513                         *flags &= ~ptbl->mask;
1514                         if(c) *flags |= ptbl->flag;
1515                         else *flags &= ~ptbl->flag;
1516                         return 1;
1517                 }
1518         }
1519         return 0;
1520 }
1521
1522 void print_name(BIO *out, const char *title, X509_NAME *nm, unsigned long lflags)
1523 {
1524         char *buf;
1525         char mline = 0;
1526         int indent = 0;
1527
1528         if(title) BIO_puts(out, title);
1529         if((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1530                 mline = 1;
1531                 indent = 4;
1532         }
1533         if(lflags == XN_FLAG_COMPAT) {
1534                 buf = X509_NAME_oneline(nm, 0, 0);
1535                 BIO_puts(out, buf);
1536                 BIO_puts(out, "\n");
1537                 OPENSSL_free(buf);
1538         } else {
1539                 if(mline) BIO_puts(out, "\n");
1540                 X509_NAME_print_ex(out, nm, indent, lflags);
1541                 BIO_puts(out, "\n");
1542         }
1543 }
1544
1545 X509_STORE *setup_verify(BIO *bp, char *CAfile, char *CApath)
1546 {
1547         X509_STORE *store;
1548         X509_LOOKUP *lookup;
1549         if(!(store = X509_STORE_new())) goto end;
1550         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file());
1551         if (lookup == NULL) goto end;
1552         if (CAfile) {
1553                 if(!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) {
1554                         BIO_printf(bp, "Error loading file %s\n", CAfile);
1555                         goto end;
1556                 }
1557         } else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
1558                 
1559         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir());
1560         if (lookup == NULL) goto end;
1561         if (CApath) {
1562                 if(!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) {
1563                         BIO_printf(bp, "Error loading directory %s\n", CApath);
1564                         goto end;
1565                 }
1566         } else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
1567
1568         ERR_clear_error();
1569         return store;
1570         end:
1571         X509_STORE_free(store);
1572         return NULL;
1573 }
1574
1575 #ifndef OPENSSL_NO_ENGINE
1576 /* Try to load an engine in a shareable library */
1577 static ENGINE *try_load_engine(BIO *err, const char *engine, int debug)
1578         {
1579         ENGINE *e = ENGINE_by_id("dynamic");
1580         if (e)
1581                 {
1582                 if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
1583                         || !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0))
1584                         {
1585                         ENGINE_free(e);
1586                         e = NULL;
1587                         }
1588                 }
1589         return e;
1590         }
1591
1592 ENGINE *setup_engine(BIO *err, const char *engine, int debug)
1593         {
1594         ENGINE *e = NULL;
1595
1596         if (engine)
1597                 {
1598                 if(strcmp(engine, "auto") == 0)
1599                         {
1600                         BIO_printf(err,"enabling auto ENGINE support\n");
1601                         ENGINE_register_all_complete();
1602                         return NULL;
1603                         }
1604                 if((e = ENGINE_by_id(engine)) == NULL
1605                         && (e = try_load_engine(err, engine, debug)) == NULL)
1606                         {
1607                         BIO_printf(err,"invalid engine \"%s\"\n", engine);
1608                         ERR_print_errors(err);
1609                         return NULL;
1610                         }
1611                 if (debug)
1612                         {
1613                         ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM,
1614                                 0, err, 0);
1615                         }
1616                 ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
1617                 if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
1618                         {
1619                         BIO_printf(err,"can't use that engine\n");
1620                         ERR_print_errors(err);
1621                         ENGINE_free(e);
1622                         return NULL;
1623                         }
1624
1625                 BIO_printf(err,"engine \"%s\" set.\n", ENGINE_get_id(e));
1626
1627                 /* Free our "structural" reference. */
1628                 ENGINE_free(e);
1629                 }
1630         return e;
1631         }
1632 #endif
1633
1634 int load_config(BIO *err, CONF *cnf)
1635         {
1636         static int load_config_called = 0;
1637         if (load_config_called)
1638                 return 1;
1639         load_config_called = 1;
1640         if (!cnf)
1641                 cnf = config;
1642         if (!cnf)
1643                 return 1;
1644
1645         OPENSSL_load_builtin_modules();
1646
1647         if (CONF_modules_load(cnf, NULL, 0) <= 0)
1648                 {
1649                 BIO_printf(err, "Error configuring OpenSSL\n");
1650                 ERR_print_errors(err);
1651                 return 0;
1652                 }
1653         return 1;
1654         }
1655
1656 char *make_config_name()
1657         {
1658         const char *t=X509_get_default_cert_area();
1659         size_t len;
1660         char *p;
1661
1662         len=strlen(t)+strlen(OPENSSL_CONF)+2;
1663         p=OPENSSL_malloc(len);
1664         BUF_strlcpy(p,t,len);
1665 #ifndef OPENSSL_SYS_VMS
1666         BUF_strlcat(p,"/",len);
1667 #endif
1668         BUF_strlcat(p,OPENSSL_CONF,len);
1669
1670         return p;
1671         }
1672
1673 static unsigned long index_serial_hash(const OPENSSL_CSTRING *a)
1674         {
1675         const char *n;
1676
1677         n=a[DB_serial];
1678         while (*n == '0') n++;
1679         return(lh_strhash(n));
1680         }
1681
1682 static int index_serial_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
1683         {
1684         const char *aa,*bb;
1685
1686         for (aa=a[DB_serial]; *aa == '0'; aa++);
1687         for (bb=b[DB_serial]; *bb == '0'; bb++);
1688         return(strcmp(aa,bb));
1689         }
1690
1691 static int index_name_qual(char **a)
1692         { return(a[0][0] == 'V'); }
1693
1694 static unsigned long index_name_hash(const OPENSSL_CSTRING *a)
1695         { return(lh_strhash(a[DB_name])); }
1696
1697 int index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
1698         { return(strcmp(a[DB_name], b[DB_name])); }
1699
1700 static IMPLEMENT_LHASH_HASH_FN(index_serial, OPENSSL_CSTRING)
1701 static IMPLEMENT_LHASH_COMP_FN(index_serial, OPENSSL_CSTRING)
1702 static IMPLEMENT_LHASH_HASH_FN(index_name, OPENSSL_CSTRING)
1703 static IMPLEMENT_LHASH_COMP_FN(index_name, OPENSSL_CSTRING)
1704
1705 #undef BSIZE
1706 #define BSIZE 256
1707
1708 BIGNUM *load_serial(char *serialfile, int create, ASN1_INTEGER **retai)
1709         {
1710         BIO *in=NULL;
1711         BIGNUM *ret=NULL;
1712         MS_STATIC char buf[1024];
1713         ASN1_INTEGER *ai=NULL;
1714
1715         ai=ASN1_INTEGER_new();
1716         if (ai == NULL) goto err;
1717
1718         if ((in=BIO_new(BIO_s_file())) == NULL)
1719                 {
1720                 ERR_print_errors(bio_err);
1721                 goto err;
1722                 }
1723
1724         if (BIO_read_filename(in,serialfile) <= 0)
1725                 {
1726                 if (!create)
1727                         {
1728                         perror(serialfile);
1729                         goto err;
1730                         }
1731                 else
1732                         {
1733                         ret=BN_new();
1734                         if (ret == NULL || !rand_serial(ret, ai))
1735                                 BIO_printf(bio_err, "Out of memory\n");
1736                         }
1737                 }
1738         else
1739                 {
1740                 if (!a2i_ASN1_INTEGER(in,ai,buf,1024))
1741                         {
1742                         BIO_printf(bio_err,"unable to load number from %s\n",
1743                                 serialfile);
1744                         goto err;
1745                         }
1746                 ret=ASN1_INTEGER_to_BN(ai,NULL);
1747                 if (ret == NULL)
1748                         {
1749                         BIO_printf(bio_err,"error converting number from bin to BIGNUM\n");
1750                         goto err;
1751                         }
1752                 }
1753
1754         if (ret && retai)
1755                 {
1756                 *retai = ai;
1757                 ai = NULL;
1758                 }
1759  err:
1760         if (in != NULL) BIO_free(in);
1761         if (ai != NULL) ASN1_INTEGER_free(ai);
1762         return(ret);
1763         }
1764
1765 int save_serial(char *serialfile, char *suffix, BIGNUM *serial, ASN1_INTEGER **retai)
1766         {
1767         char buf[1][BSIZE];
1768         BIO *out = NULL;
1769         int ret=0;
1770         ASN1_INTEGER *ai=NULL;
1771         int j;
1772
1773         if (suffix == NULL)
1774                 j = strlen(serialfile);
1775         else
1776                 j = strlen(serialfile) + strlen(suffix) + 1;
1777         if (j >= BSIZE)
1778                 {
1779                 BIO_printf(bio_err,"file name too long\n");
1780                 goto err;
1781                 }
1782
1783         if (suffix == NULL)
1784                 BUF_strlcpy(buf[0], serialfile, BSIZE);
1785         else
1786                 {
1787 #ifndef OPENSSL_SYS_VMS
1788                 j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", serialfile, suffix);
1789 #else
1790                 j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", serialfile, suffix);
1791 #endif
1792                 }
1793 #ifdef RL_DEBUG
1794         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1795 #endif
1796         out=BIO_new(BIO_s_file());
1797         if (out == NULL)
1798                 {
1799                 ERR_print_errors(bio_err);
1800                 goto err;
1801                 }
1802         if (BIO_write_filename(out,buf[0]) <= 0)
1803                 {
1804                 perror(serialfile);
1805                 goto err;
1806                 }
1807
1808         if ((ai=BN_to_ASN1_INTEGER(serial,NULL)) == NULL)
1809                 {
1810                 BIO_printf(bio_err,"error converting serial to ASN.1 format\n");
1811                 goto err;
1812                 }
1813         i2a_ASN1_INTEGER(out,ai);
1814         BIO_puts(out,"\n");
1815         ret=1;
1816         if (retai)
1817                 {
1818                 *retai = ai;
1819                 ai = NULL;
1820                 }
1821 err:
1822         if (out != NULL) BIO_free_all(out);
1823         if (ai != NULL) ASN1_INTEGER_free(ai);
1824         return(ret);
1825         }
1826
1827 int rotate_serial(char *serialfile, char *new_suffix, char *old_suffix)
1828         {
1829         char buf[5][BSIZE];
1830         int i,j;
1831
1832         i = strlen(serialfile) + strlen(old_suffix);
1833         j = strlen(serialfile) + strlen(new_suffix);
1834         if (i > j) j = i;
1835         if (j + 1 >= BSIZE)
1836                 {
1837                 BIO_printf(bio_err,"file name too long\n");
1838                 goto err;
1839                 }
1840
1841 #ifndef OPENSSL_SYS_VMS
1842         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1843                 serialfile, new_suffix);
1844 #else
1845         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1846                 serialfile, new_suffix);
1847 #endif
1848 #ifndef OPENSSL_SYS_VMS
1849         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1850                 serialfile, old_suffix);
1851 #else
1852         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
1853                 serialfile, old_suffix);
1854 #endif
1855 #ifdef RL_DEBUG
1856         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1857                 serialfile, buf[1]);
1858 #endif
1859         if (rename(serialfile,buf[1]) < 0 && errno != ENOENT
1860 #ifdef ENOTDIR
1861                         && errno != ENOTDIR
1862 #endif
1863            )            {
1864                         BIO_printf(bio_err,
1865                                 "unable to rename %s to %s\n",
1866                                 serialfile, buf[1]);
1867                         perror("reason");
1868                         goto err;
1869                         }
1870 #ifdef RL_DEBUG
1871         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1872                 buf[0],serialfile);
1873 #endif
1874         if (rename(buf[0],serialfile) < 0)
1875                 {
1876                 BIO_printf(bio_err,
1877                         "unable to rename %s to %s\n",
1878                         buf[0],serialfile);
1879                 perror("reason");
1880                 rename(buf[1],serialfile);
1881                 goto err;
1882                 }
1883         return 1;
1884  err:
1885         return 0;
1886         }
1887
1888 int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1889         {
1890         BIGNUM *btmp;
1891         int ret = 0;
1892         if (b)
1893                 btmp = b;
1894         else
1895                 btmp = BN_new();
1896
1897         if (!btmp)
1898                 return 0;
1899
1900         if (!BN_pseudo_rand(btmp, SERIAL_RAND_BITS, 0, 0))
1901                 goto error;
1902         if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1903                 goto error;
1904
1905         ret = 1;
1906         
1907         error:
1908
1909         if (!b)
1910                 BN_free(btmp);
1911         
1912         return ret;
1913         }
1914
1915 CA_DB *load_index(char *dbfile, DB_ATTR *db_attr)
1916         {
1917         CA_DB *retdb = NULL;
1918         TXT_DB *tmpdb = NULL;
1919         BIO *in = BIO_new(BIO_s_file());
1920         CONF *dbattr_conf = NULL;
1921         char buf[1][BSIZE];
1922         long errorline= -1;
1923
1924         if (in == NULL)
1925                 {
1926                 ERR_print_errors(bio_err);
1927                 goto err;
1928                 }
1929         if (BIO_read_filename(in,dbfile) <= 0)
1930                 {
1931                 perror(dbfile);
1932                 BIO_printf(bio_err,"unable to open '%s'\n",dbfile);
1933                 goto err;
1934                 }
1935         if ((tmpdb = TXT_DB_read(in,DB_NUMBER)) == NULL)
1936                 goto err;
1937
1938 #ifndef OPENSSL_SYS_VMS
1939         BIO_snprintf(buf[0], sizeof buf[0], "%s.attr", dbfile);
1940 #else
1941         BIO_snprintf(buf[0], sizeof buf[0], "%s-attr", dbfile);
1942 #endif
1943         dbattr_conf = NCONF_new(NULL);
1944         if (NCONF_load(dbattr_conf,buf[0],&errorline) <= 0)
1945                 {
1946                 if (errorline > 0)
1947                         {
1948                         BIO_printf(bio_err,
1949                                 "error on line %ld of db attribute file '%s'\n"
1950                                 ,errorline,buf[0]);
1951                         goto err;
1952                         }
1953                 else
1954                         {
1955                         NCONF_free(dbattr_conf);
1956                         dbattr_conf = NULL;
1957                         }
1958                 }
1959
1960         if ((retdb = OPENSSL_malloc(sizeof(CA_DB))) == NULL)
1961                 {
1962                 fprintf(stderr, "Out of memory\n");
1963                 goto err;
1964                 }
1965
1966         retdb->db = tmpdb;
1967         tmpdb = NULL;
1968         if (db_attr)
1969                 retdb->attributes = *db_attr;
1970         else
1971                 {
1972                 retdb->attributes.unique_subject = 1;
1973                 }
1974
1975         if (dbattr_conf)
1976                 {
1977                 char *p = NCONF_get_string(dbattr_conf,NULL,"unique_subject");
1978                 if (p)
1979                         {
1980 #ifdef RL_DEBUG
1981                         BIO_printf(bio_err, "DEBUG[load_index]: unique_subject = \"%s\"\n", p);
1982 #endif
1983                         retdb->attributes.unique_subject = parse_yesno(p,1);
1984                         }
1985                 }
1986
1987  err:
1988         if (dbattr_conf) NCONF_free(dbattr_conf);
1989         if (tmpdb) TXT_DB_free(tmpdb);
1990         if (in) BIO_free_all(in);
1991         return retdb;
1992         }
1993
1994 int index_index(CA_DB *db)
1995         {
1996         if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1997                                 LHASH_HASH_FN(index_serial),
1998                                 LHASH_COMP_FN(index_serial)))
1999                 {
2000                 BIO_printf(bio_err,
2001                   "error creating serial number index:(%ld,%ld,%ld)\n",
2002                                         db->db->error,db->db->arg1,db->db->arg2);
2003                         return 0;
2004                 }
2005
2006         if (db->attributes.unique_subject
2007                 && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
2008                         LHASH_HASH_FN(index_name),
2009                         LHASH_COMP_FN(index_name)))
2010                 {
2011                 BIO_printf(bio_err,"error creating name index:(%ld,%ld,%ld)\n",
2012                         db->db->error,db->db->arg1,db->db->arg2);
2013                 return 0;
2014                 }
2015         return 1;
2016         }
2017
2018 int save_index(const char *dbfile, const char *suffix, CA_DB *db)
2019         {
2020         char buf[3][BSIZE];
2021         BIO *out = BIO_new(BIO_s_file());
2022         int j;
2023
2024         if (out == NULL)
2025                 {
2026                 ERR_print_errors(bio_err);
2027                 goto err;
2028                 }
2029
2030         j = strlen(dbfile) + strlen(suffix);
2031         if (j + 6 >= BSIZE)
2032                 {
2033                 BIO_printf(bio_err,"file name too long\n");
2034                 goto err;
2035                 }
2036
2037 #ifndef OPENSSL_SYS_VMS
2038         j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr", dbfile);
2039 #else
2040         j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr", dbfile);
2041 #endif
2042 #ifndef OPENSSL_SYS_VMS
2043         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.attr.%s", dbfile, suffix);
2044 #else
2045         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-attr-%s", dbfile, suffix);
2046 #endif
2047 #ifndef OPENSSL_SYS_VMS
2048         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", dbfile, suffix);
2049 #else
2050         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", dbfile, suffix);
2051 #endif
2052 #ifdef RL_DEBUG
2053         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
2054 #endif
2055         if (BIO_write_filename(out,buf[0]) <= 0)
2056                 {
2057                 perror(dbfile);
2058                 BIO_printf(bio_err,"unable to open '%s'\n", dbfile);
2059                 goto err;
2060                 }
2061         j=TXT_DB_write(out,db->db);
2062         if (j <= 0) goto err;
2063                         
2064         BIO_free(out);
2065
2066         out = BIO_new(BIO_s_file());
2067 #ifdef RL_DEBUG
2068         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[1]);
2069 #endif
2070         if (BIO_write_filename(out,buf[1]) <= 0)
2071                 {
2072                 perror(buf[2]);
2073                 BIO_printf(bio_err,"unable to open '%s'\n", buf[2]);
2074                 goto err;
2075                 }
2076         BIO_printf(out,"unique_subject = %s\n",
2077                 db->attributes.unique_subject ? "yes" : "no");
2078         BIO_free(out);
2079
2080         return 1;
2081  err:
2082         return 0;
2083         }
2084
2085 int rotate_index(const char *dbfile, const char *new_suffix, const char *old_suffix)
2086         {
2087         char buf[5][BSIZE];
2088         int i,j;
2089
2090         i = strlen(dbfile) + strlen(old_suffix);
2091         j = strlen(dbfile) + strlen(new_suffix);
2092         if (i > j) j = i;
2093         if (j + 6 >= BSIZE)
2094                 {
2095                 BIO_printf(bio_err,"file name too long\n");
2096                 goto err;
2097                 }
2098
2099 #ifndef OPENSSL_SYS_VMS
2100         j = BIO_snprintf(buf[4], sizeof buf[4], "%s.attr", dbfile);
2101 #else
2102         j = BIO_snprintf(buf[4], sizeof buf[4], "%s-attr", dbfile);
2103 #endif
2104 #ifndef OPENSSL_SYS_VMS
2105         j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr.%s",
2106                 dbfile, new_suffix);
2107 #else
2108         j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr-%s",
2109                 dbfile, new_suffix);
2110 #endif
2111 #ifndef OPENSSL_SYS_VMS
2112         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
2113                 dbfile, new_suffix);
2114 #else
2115         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
2116                 dbfile, new_suffix);
2117 #endif
2118 #ifndef OPENSSL_SYS_VMS
2119         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
2120                 dbfile, old_suffix);
2121 #else
2122         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
2123                 dbfile, old_suffix);
2124 #endif
2125 #ifndef OPENSSL_SYS_VMS
2126         j = BIO_snprintf(buf[3], sizeof buf[3], "%s.attr.%s",
2127                 dbfile, old_suffix);
2128 #else
2129         j = BIO_snprintf(buf[3], sizeof buf[3], "%s-attr-%s",
2130                 dbfile, old_suffix);
2131 #endif
2132 #ifdef RL_DEBUG
2133         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
2134                 dbfile, buf[1]);
2135 #endif
2136         if (rename(dbfile,buf[1]) < 0 && errno != ENOENT
2137 #ifdef ENOTDIR
2138                 && errno != ENOTDIR
2139 #endif
2140            )            {
2141                         BIO_printf(bio_err,
2142                                 "unable to rename %s to %s\n",
2143                                 dbfile, buf[1]);
2144                         perror("reason");
2145                         goto err;
2146                         }
2147 #ifdef RL_DEBUG
2148         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
2149                 buf[0],dbfile);
2150 #endif
2151         if (rename(buf[0],dbfile) < 0)
2152                 {
2153                 BIO_printf(bio_err,
2154                         "unable to rename %s to %s\n",
2155                         buf[0],dbfile);
2156                 perror("reason");
2157                 rename(buf[1],dbfile);
2158                 goto err;
2159                 }
2160 #ifdef RL_DEBUG
2161         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
2162                 buf[4],buf[3]);
2163 #endif
2164         if (rename(buf[4],buf[3]) < 0 && errno != ENOENT
2165 #ifdef ENOTDIR
2166                 && errno != ENOTDIR
2167 #endif
2168            )            {
2169                         BIO_printf(bio_err,
2170                                 "unable to rename %s to %s\n",
2171                                 buf[4], buf[3]);
2172                         perror("reason");
2173                         rename(dbfile,buf[0]);
2174                         rename(buf[1],dbfile);
2175                         goto err;
2176                         }
2177 #ifdef RL_DEBUG
2178         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
2179                 buf[2],buf[4]);
2180 #endif
2181         if (rename(buf[2],buf[4]) < 0)
2182                 {
2183                 BIO_printf(bio_err,
2184                         "unable to rename %s to %s\n",
2185                         buf[2],buf[4]);
2186                 perror("reason");
2187                 rename(buf[3],buf[4]);
2188                 rename(dbfile,buf[0]);
2189                 rename(buf[1],dbfile);
2190                 goto err;
2191                 }
2192         return 1;
2193  err:
2194         return 0;
2195         }
2196
2197 void free_index(CA_DB *db)
2198         {
2199         if (db)
2200                 {
2201                 if (db->db) TXT_DB_free(db->db);
2202                 OPENSSL_free(db);
2203                 }
2204         }
2205
2206 int parse_yesno(const char *str, int def)
2207         {
2208         int ret = def;
2209         if (str)
2210                 {
2211                 switch (*str)
2212                         {
2213                 case 'f': /* false */
2214                 case 'F': /* FALSE */
2215                 case 'n': /* no */
2216                 case 'N': /* NO */
2217                 case '0': /* 0 */
2218                         ret = 0;
2219                         break;
2220                 case 't': /* true */
2221                 case 'T': /* TRUE */
2222                 case 'y': /* yes */
2223                 case 'Y': /* YES */
2224                 case '1': /* 1 */
2225                         ret = 1;
2226                         break;
2227                 default:
2228                         ret = def;
2229                         break;
2230                         }
2231                 }
2232         return ret;
2233         }
2234
2235 /*
2236  * subject is expected to be in the format /type0=value0/type1=value1/type2=...
2237  * where characters may be escaped by \
2238  */
2239 X509_NAME *parse_name(char *subject, long chtype, int multirdn)
2240         {
2241         size_t buflen = strlen(subject)+1; /* to copy the types and values into. due to escaping, the copy can only become shorter */
2242         char *buf = OPENSSL_malloc(buflen);
2243         size_t max_ne = buflen / 2 + 1; /* maximum number of name elements */
2244         char **ne_types = OPENSSL_malloc(max_ne * sizeof (char *));
2245         char **ne_values = OPENSSL_malloc(max_ne * sizeof (char *));
2246         int *mval = OPENSSL_malloc (max_ne * sizeof (int));
2247
2248         char *sp = subject, *bp = buf;
2249         int i, ne_num = 0;
2250
2251         X509_NAME *n = NULL;
2252         int nid;
2253
2254         if (!buf || !ne_types || !ne_values || !mval)
2255                 {
2256                 BIO_printf(bio_err, "malloc error\n");
2257                 goto error;
2258                 }       
2259
2260         if (*subject != '/')
2261                 {
2262                 BIO_printf(bio_err, "Subject does not start with '/'.\n");
2263                 goto error;
2264                 }
2265         sp++; /* skip leading / */
2266
2267         /* no multivalued RDN by default */
2268         mval[ne_num] = 0;
2269
2270         while (*sp)
2271                 {
2272                 /* collect type */
2273                 ne_types[ne_num] = bp;
2274                 while (*sp)
2275                         {
2276                         if (*sp == '\\') /* is there anything to escape in the type...? */
2277                                 {
2278                                 if (*++sp)
2279                                         *bp++ = *sp++;
2280                                 else    
2281                                         {
2282                                         BIO_printf(bio_err, "escape character at end of string\n");
2283                                         goto error;
2284                                         }
2285                                 }       
2286                         else if (*sp == '=')
2287                                 {
2288                                 sp++;
2289                                 *bp++ = '\0';
2290                                 break;
2291                                 }
2292                         else
2293                                 *bp++ = *sp++;
2294                         }
2295                 if (!*sp)
2296                         {
2297                         BIO_printf(bio_err, "end of string encountered while processing type of subject name element #%d\n", ne_num);
2298                         goto error;
2299                         }
2300                 ne_values[ne_num] = bp;
2301                 while (*sp)
2302                         {
2303                         if (*sp == '\\')
2304                                 {
2305                                 if (*++sp)
2306                                         *bp++ = *sp++;
2307                                 else
2308                                         {
2309                                         BIO_printf(bio_err, "escape character at end of string\n");
2310                                         goto error;
2311                                         }
2312                                 }
2313                         else if (*sp == '/')
2314                                 {
2315                                 sp++;
2316                                 /* no multivalued RDN by default */
2317                                 mval[ne_num+1] = 0;
2318                                 break;
2319                                 }
2320                         else if (*sp == '+' && multirdn)
2321                                 {
2322                                 /* a not escaped + signals a mutlivalued RDN */
2323                                 sp++;
2324                                 mval[ne_num+1] = -1;
2325                                 break;
2326                                 }
2327                         else
2328                                 *bp++ = *sp++;
2329                         }
2330                 *bp++ = '\0';
2331                 ne_num++;
2332                 }       
2333
2334         if (!(n = X509_NAME_new()))
2335                 goto error;
2336
2337         for (i = 0; i < ne_num; i++)
2338                 {
2339                 if ((nid=OBJ_txt2nid(ne_types[i])) == NID_undef)
2340                         {
2341                         BIO_printf(bio_err, "Subject Attribute %s has no known NID, skipped\n", ne_types[i]);
2342                         continue;
2343                         }
2344
2345                 if (!*ne_values[i])
2346                         {
2347                         BIO_printf(bio_err, "No value provided for Subject Attribute %s, skipped\n", ne_types[i]);
2348                         continue;
2349                         }
2350
2351                 if (!X509_NAME_add_entry_by_NID(n, nid, chtype, (unsigned char*)ne_values[i], -1,-1,mval[i]))
2352                         goto error;
2353                 }
2354
2355         OPENSSL_free(ne_values);
2356         OPENSSL_free(ne_types);
2357         OPENSSL_free(buf);
2358         OPENSSL_free(mval);
2359         return n;
2360
2361 error:
2362         X509_NAME_free(n);
2363         if (ne_values)
2364                 OPENSSL_free(ne_values);
2365         if (ne_types)
2366                 OPENSSL_free(ne_types);
2367         if (mval)
2368                 OPENSSL_free(mval);
2369         if (buf)
2370                 OPENSSL_free(buf);
2371         return NULL;
2372 }
2373
2374 int args_verify(char ***pargs, int *pargc,
2375                         int *badarg, BIO *err, X509_VERIFY_PARAM **pm)
2376         {
2377         ASN1_OBJECT *otmp = NULL;
2378         unsigned long flags = 0;
2379         int i;
2380         int purpose = 0, depth = -1;
2381         char **oldargs = *pargs;
2382         char *arg = **pargs, *argn = (*pargs)[1];
2383         const X509_VERIFY_PARAM *vpm = NULL;
2384         time_t at_time = 0;
2385         const unsigned char *hostname = NULL, *email = NULL;
2386         char *ipasc = NULL;
2387         if (!strcmp(arg, "-policy"))
2388                 {
2389                 if (!argn)
2390                         *badarg = 1;
2391                 else
2392                         {
2393                         otmp = OBJ_txt2obj(argn, 0);
2394                         if (!otmp)
2395                                 {
2396                                 BIO_printf(err, "Invalid Policy \"%s\"\n",
2397                                                                         argn);
2398                                 *badarg = 1;
2399                                 }
2400                         }
2401                 (*pargs)++;
2402                 }
2403         else if (strcmp(arg,"-purpose") == 0)
2404                 {
2405                 X509_PURPOSE *xptmp;
2406                 if (!argn)
2407                         *badarg = 1;
2408                 else
2409                         {
2410                         i = X509_PURPOSE_get_by_sname(argn);
2411                         if(i < 0)
2412                                 {
2413                                 BIO_printf(err, "unrecognized purpose\n");
2414                                 *badarg = 1;
2415                                 }
2416                         else
2417                                 {
2418                                 xptmp = X509_PURPOSE_get0(i);
2419                                 purpose = X509_PURPOSE_get_id(xptmp);
2420                                 }
2421                         }
2422                 (*pargs)++;
2423                 }
2424         else if (strcmp(arg,"-verify_name") == 0)
2425                 {
2426                 if (!argn)
2427                         *badarg = 1;
2428                 else
2429                         {
2430                         vpm = X509_VERIFY_PARAM_lookup(argn);
2431                         if(!vpm)
2432                                 {
2433                                 BIO_printf(err, "unrecognized verify name\n");
2434                                 *badarg = 1;
2435                                 }
2436                         }
2437                 (*pargs)++;
2438                 }
2439         else if (strcmp(arg,"-verify_depth") == 0)
2440                 {
2441                 if (!argn)
2442                         *badarg = 1;
2443                 else
2444                         {
2445                         depth = atoi(argn);
2446                         if(depth < 0)
2447                                 {
2448                                 BIO_printf(err, "invalid depth\n");
2449                                 *badarg = 1;
2450                                 }
2451                         }
2452                 (*pargs)++;
2453                 }
2454         else if (strcmp(arg,"-attime") == 0)
2455                 {
2456                 if (!argn)
2457                         *badarg = 1;
2458                 else
2459                         {
2460                         long timestamp;
2461                         /* interpret the -attime argument as seconds since
2462                          * Epoch */
2463                         if (sscanf(argn, "%li", &timestamp) != 1)
2464                                 {
2465                                 BIO_printf(bio_err,
2466                                                 "Error parsing timestamp %s\n",
2467                                                 argn);
2468                                 *badarg = 1;
2469                                 }
2470                         /* on some platforms time_t may be a float */
2471                         at_time = (time_t) timestamp;
2472                         }
2473                 (*pargs)++;
2474                 }
2475         else if (strcmp(arg,"-verify_hostname") == 0)
2476                 {
2477                 if (!argn)
2478                         *badarg = 1;
2479                 hostname = (unsigned char *)argn;
2480                 (*pargs)++;
2481                 }
2482         else if (strcmp(arg,"-verify_email") == 0)
2483                 {
2484                 if (!argn)
2485                         *badarg = 1;
2486                 email = (unsigned char *)argn;
2487                 (*pargs)++;
2488                 }
2489         else if (strcmp(arg,"-verify_ip") == 0)
2490                 {
2491                 if (!argn)
2492                         *badarg = 1;
2493                 ipasc = argn;
2494                 (*pargs)++;
2495                 }
2496         else if (!strcmp(arg, "-ignore_critical"))
2497                 flags |= X509_V_FLAG_IGNORE_CRITICAL;
2498         else if (!strcmp(arg, "-issuer_checks"))
2499                 flags |= X509_V_FLAG_CB_ISSUER_CHECK;
2500         else if (!strcmp(arg, "-crl_check"))
2501                 flags |=  X509_V_FLAG_CRL_CHECK;
2502         else if (!strcmp(arg, "-crl_check_all"))
2503                 flags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
2504         else if (!strcmp(arg, "-policy_check"))
2505                 flags |= X509_V_FLAG_POLICY_CHECK;
2506         else if (!strcmp(arg, "-explicit_policy"))
2507                 flags |= X509_V_FLAG_EXPLICIT_POLICY;
2508         else if (!strcmp(arg, "-inhibit_any"))
2509                 flags |= X509_V_FLAG_INHIBIT_ANY;
2510         else if (!strcmp(arg, "-inhibit_map"))
2511                 flags |= X509_V_FLAG_INHIBIT_MAP;
2512         else if (!strcmp(arg, "-x509_strict"))
2513                 flags |= X509_V_FLAG_X509_STRICT;
2514         else if (!strcmp(arg, "-extended_crl"))
2515                 flags |= X509_V_FLAG_EXTENDED_CRL_SUPPORT;
2516         else if (!strcmp(arg, "-use_deltas"))
2517                 flags |= X509_V_FLAG_USE_DELTAS;
2518         else if (!strcmp(arg, "-policy_print"))
2519                 flags |= X509_V_FLAG_NOTIFY_POLICY;
2520         else if (!strcmp(arg, "-check_ss_sig"))
2521                 flags |= X509_V_FLAG_CHECK_SS_SIGNATURE;
2522         else if (!strcmp(arg, "-trusted_first"))
2523                 flags |= X509_V_FLAG_TRUSTED_FIRST;
2524         else if (!strcmp(arg, "-suiteB_128_only"))
2525                 flags |= X509_V_FLAG_SUITEB_128_LOS_ONLY;
2526         else if (!strcmp(arg, "-suiteB_128"))
2527                 flags |= X509_V_FLAG_SUITEB_128_LOS;
2528         else if (!strcmp(arg, "-suiteB_192"))
2529                 flags |= X509_V_FLAG_SUITEB_192_LOS;
2530         else if (!strcmp(arg, "-partial_chain"))
2531                 flags |= X509_V_FLAG_PARTIAL_CHAIN;
2532         else
2533                 return 0;
2534
2535         if (*badarg)
2536                 {
2537                 if (*pm)
2538                         X509_VERIFY_PARAM_free(*pm);
2539                 *pm = NULL;
2540                 goto end;
2541                 }
2542
2543         if (!*pm && !(*pm = X509_VERIFY_PARAM_new()))
2544                 {
2545                 *badarg = 1;
2546                 goto end;
2547                 }
2548
2549         if (vpm)
2550                 X509_VERIFY_PARAM_set1(*pm, vpm);
2551
2552         if (otmp)
2553                 X509_VERIFY_PARAM_add0_policy(*pm, otmp);
2554         if (flags)
2555                 X509_VERIFY_PARAM_set_flags(*pm, flags);
2556
2557         if (purpose)
2558                 X509_VERIFY_PARAM_set_purpose(*pm, purpose);
2559
2560         if (depth >= 0)
2561                 X509_VERIFY_PARAM_set_depth(*pm, depth);
2562
2563         if (at_time) 
2564                 X509_VERIFY_PARAM_set_time(*pm, at_time);
2565
2566         if (hostname && !X509_VERIFY_PARAM_set1_host(*pm, hostname, 0))
2567                 *badarg = 1;
2568
2569         if (email && !X509_VERIFY_PARAM_set1_email(*pm, email, 0))
2570                 *badarg = 1;
2571
2572         if (ipasc && !X509_VERIFY_PARAM_set1_ip_asc(*pm, ipasc))
2573                 *badarg = 1;
2574
2575         end:
2576
2577         (*pargs)++;
2578
2579         if (pargc)
2580                 *pargc -= *pargs - oldargs;
2581
2582         return 1;
2583
2584         }
2585
2586 /* Read whole contents of a BIO into an allocated memory buffer and
2587  * return it.
2588  */
2589
2590 int bio_to_mem(unsigned char **out, int maxlen, BIO *in)
2591         {
2592         BIO *mem;
2593         int len, ret;
2594         unsigned char tbuf[1024];
2595         mem = BIO_new(BIO_s_mem());
2596         if (!mem)
2597                 return -1;
2598         for(;;)
2599                 {
2600                 if ((maxlen != -1) && maxlen < 1024)
2601                         len = maxlen;
2602                 else
2603                         len = 1024;
2604                 len = BIO_read(in, tbuf, len);
2605                 if (len <= 0)
2606                         break;
2607                 if (BIO_write(mem, tbuf, len) != len)
2608                         {
2609                         BIO_free(mem);
2610                         return -1;
2611                         }
2612                 maxlen -= len;
2613
2614                 if (maxlen == 0)
2615                         break;
2616                 }
2617         ret = BIO_get_mem_data(mem, (char **)out);
2618         BIO_set_flags(mem, BIO_FLAGS_MEM_RDONLY);
2619         BIO_free(mem);
2620         return ret;
2621         }
2622
2623 int pkey_ctrl_string(EVP_PKEY_CTX *ctx, char *value)
2624         {
2625         int rv;
2626         char *stmp, *vtmp = NULL;
2627         stmp = BUF_strdup(value);
2628         if (!stmp)
2629                 return -1;
2630         vtmp = strchr(stmp, ':');
2631         if (vtmp)
2632                 {
2633                 *vtmp = 0;
2634                 vtmp++;
2635                 }
2636         rv = EVP_PKEY_CTX_ctrl_str(ctx, stmp, vtmp);
2637         OPENSSL_free(stmp);
2638         return rv;
2639         }
2640
2641 static void nodes_print(BIO *out, const char *name,
2642         STACK_OF(X509_POLICY_NODE) *nodes)
2643         {
2644         X509_POLICY_NODE *node;
2645         int i;
2646         BIO_printf(out, "%s Policies:", name);
2647         if (nodes)
2648                 {
2649                 BIO_puts(out, "\n");
2650                 for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++)
2651                         {
2652                         node = sk_X509_POLICY_NODE_value(nodes, i);
2653                         X509_POLICY_NODE_print(out, node, 2);
2654                         }
2655                 }
2656         else
2657                 BIO_puts(out, " <empty>\n");
2658         }
2659
2660 void policies_print(BIO *out, X509_STORE_CTX *ctx)
2661         {
2662         X509_POLICY_TREE *tree;
2663         int explicit_policy;
2664         int free_out = 0;
2665         if (out == NULL)
2666                 {
2667                 out = BIO_new_fp(stderr, BIO_NOCLOSE);
2668                 free_out = 1;
2669                 }
2670         tree = X509_STORE_CTX_get0_policy_tree(ctx);
2671         explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
2672
2673         BIO_printf(out, "Require explicit Policy: %s\n",
2674                                 explicit_policy ? "True" : "False");
2675
2676         nodes_print(out, "Authority", X509_policy_tree_get0_policies(tree));
2677         nodes_print(out, "User", X509_policy_tree_get0_user_policies(tree));
2678         if (free_out)
2679                 BIO_free(out);
2680         }
2681
2682 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
2683
2684 static JPAKE_CTX *jpake_init(const char *us, const char *them,
2685                                                          const char *secret)
2686         {
2687         BIGNUM *p = NULL;
2688         BIGNUM *g = NULL;
2689         BIGNUM *q = NULL;
2690         BIGNUM *bnsecret = BN_new();
2691         JPAKE_CTX *ctx;
2692
2693         /* Use a safe prime for p (that we found earlier) */
2694         BN_hex2bn(&p, "F9E5B365665EA7A05A9C534502780FEE6F1AB5BD4F49947FD036DBD7E905269AF46EF28B0FC07487EE4F5D20FB3C0AF8E700F3A2FA3414970CBED44FEDFF80CE78D800F184BB82435D137AADA2C6C16523247930A63B85661D1FC817A51ACD96168E95898A1F83A79FFB529368AA7833ABD1B0C3AEDDB14D2E1A2F71D99F763F");
2695         g = BN_new();
2696         BN_set_word(g, 2);
2697         q = BN_new();
2698         BN_rshift1(q, p);
2699
2700         BN_bin2bn((const unsigned char *)secret, strlen(secret), bnsecret);
2701
2702         ctx = JPAKE_CTX_new(us, them, p, g, q, bnsecret);
2703         BN_free(bnsecret);
2704         BN_free(q);
2705         BN_free(g);
2706         BN_free(p);
2707
2708         return ctx;
2709         }
2710
2711 static void jpake_send_part(BIO *conn, const JPAKE_STEP_PART *p)
2712         {
2713         BN_print(conn, p->gx);
2714         BIO_puts(conn, "\n");
2715         BN_print(conn, p->zkpx.gr);
2716         BIO_puts(conn, "\n");
2717         BN_print(conn, p->zkpx.b);
2718         BIO_puts(conn, "\n");
2719         }
2720
2721 static void jpake_send_step1(BIO *bconn, JPAKE_CTX *ctx)
2722         {
2723         JPAKE_STEP1 s1;
2724
2725         JPAKE_STEP1_init(&s1);
2726         JPAKE_STEP1_generate(&s1, ctx);
2727         jpake_send_part(bconn, &s1.p1);
2728         jpake_send_part(bconn, &s1.p2);
2729         (void)BIO_flush(bconn);
2730         JPAKE_STEP1_release(&s1);
2731         }
2732
2733 static void jpake_send_step2(BIO *bconn, JPAKE_CTX *ctx)
2734         {
2735         JPAKE_STEP2 s2;
2736
2737         JPAKE_STEP2_init(&s2);
2738         JPAKE_STEP2_generate(&s2, ctx);
2739         jpake_send_part(bconn, &s2);
2740         (void)BIO_flush(bconn);
2741         JPAKE_STEP2_release(&s2);
2742         }
2743
2744 static void jpake_send_step3a(BIO *bconn, JPAKE_CTX *ctx)
2745         {
2746         JPAKE_STEP3A s3a;
2747
2748         JPAKE_STEP3A_init(&s3a);
2749         JPAKE_STEP3A_generate(&s3a, ctx);
2750         BIO_write(bconn, s3a.hhk, sizeof s3a.hhk);
2751         (void)BIO_flush(bconn);
2752         JPAKE_STEP3A_release(&s3a);
2753         }
2754
2755 static void jpake_send_step3b(BIO *bconn, JPAKE_CTX *ctx)
2756         {
2757         JPAKE_STEP3B s3b;
2758
2759         JPAKE_STEP3B_init(&s3b);
2760         JPAKE_STEP3B_generate(&s3b, ctx);
2761         BIO_write(bconn, s3b.hk, sizeof s3b.hk);
2762         (void)BIO_flush(bconn);
2763         JPAKE_STEP3B_release(&s3b);
2764         }
2765
2766 static void readbn(BIGNUM **bn, BIO *bconn)
2767         {
2768         char buf[10240];
2769         int l;
2770
2771         l = BIO_gets(bconn, buf, sizeof buf);
2772         assert(l > 0);
2773         assert(buf[l-1] == '\n');
2774         buf[l-1] = '\0';
2775         BN_hex2bn(bn, buf);
2776         }
2777
2778 static void jpake_receive_part(JPAKE_STEP_PART *p, BIO *bconn)
2779         {
2780         readbn(&p->gx, bconn);
2781         readbn(&p->zkpx.gr, bconn);
2782         readbn(&p->zkpx.b, bconn);
2783         }
2784
2785 static void jpake_receive_step1(JPAKE_CTX *ctx, BIO *bconn)
2786         {
2787         JPAKE_STEP1 s1;
2788
2789         JPAKE_STEP1_init(&s1);
2790         jpake_receive_part(&s1.p1, bconn);
2791         jpake_receive_part(&s1.p2, bconn);
2792         if(!JPAKE_STEP1_process(ctx, &s1))
2793                 {
2794                 ERR_print_errors(bio_err);
2795                 exit(1);
2796                 }
2797         JPAKE_STEP1_release(&s1);
2798         }
2799
2800 static void jpake_receive_step2(JPAKE_CTX *ctx, BIO *bconn)
2801         {
2802         JPAKE_STEP2 s2;
2803
2804         JPAKE_STEP2_init(&s2);
2805         jpake_receive_part(&s2, bconn);
2806         if(!JPAKE_STEP2_process(ctx, &s2))
2807                 {
2808                 ERR_print_errors(bio_err);
2809                 exit(1);
2810                 }
2811         JPAKE_STEP2_release(&s2);
2812         }
2813
2814 static void jpake_receive_step3a(JPAKE_CTX *ctx, BIO *bconn)
2815         {
2816         JPAKE_STEP3A s3a;
2817         int l;
2818
2819         JPAKE_STEP3A_init(&s3a);
2820         l = BIO_read(bconn, s3a.hhk, sizeof s3a.hhk);
2821         assert(l == sizeof s3a.hhk);
2822         if(!JPAKE_STEP3A_process(ctx, &s3a))
2823                 {
2824                 ERR_print_errors(bio_err);
2825                 exit(1);
2826                 }
2827         JPAKE_STEP3A_release(&s3a);
2828         }
2829
2830 static void jpake_receive_step3b(JPAKE_CTX *ctx, BIO *bconn)
2831         {
2832         JPAKE_STEP3B s3b;
2833         int l;
2834
2835         JPAKE_STEP3B_init(&s3b);
2836         l = BIO_read(bconn, s3b.hk, sizeof s3b.hk);
2837         assert(l == sizeof s3b.hk);
2838         if(!JPAKE_STEP3B_process(ctx, &s3b))
2839                 {
2840                 ERR_print_errors(bio_err);
2841                 exit(1);
2842                 }
2843         JPAKE_STEP3B_release(&s3b);
2844         }
2845
2846 void jpake_client_auth(BIO *out, BIO *conn, const char *secret)
2847         {
2848         JPAKE_CTX *ctx;
2849         BIO *bconn;
2850
2851         BIO_puts(out, "Authenticating with JPAKE\n");
2852
2853         ctx = jpake_init("client", "server", secret);
2854
2855         bconn = BIO_new(BIO_f_buffer());
2856         BIO_push(bconn, conn);
2857
2858         jpake_send_step1(bconn, ctx);
2859         jpake_receive_step1(ctx, bconn);
2860         jpake_send_step2(bconn, ctx);
2861         jpake_receive_step2(ctx, bconn);
2862         jpake_send_step3a(bconn, ctx);
2863         jpake_receive_step3b(ctx, bconn);
2864
2865         BIO_puts(out, "JPAKE authentication succeeded, setting PSK\n");
2866
2867         if (psk_key)
2868                 OPENSSL_free(psk_key);
2869
2870         psk_key = BN_bn2hex(JPAKE_get_shared_key(ctx));
2871
2872         BIO_pop(bconn);
2873         BIO_free(bconn);
2874
2875         JPAKE_CTX_free(ctx);
2876         }
2877
2878 void jpake_server_auth(BIO *out, BIO *conn, const char *secret)
2879         {
2880         JPAKE_CTX *ctx;
2881         BIO *bconn;
2882
2883         BIO_puts(out, "Authenticating with JPAKE\n");
2884
2885         ctx = jpake_init("server", "client", secret);
2886
2887         bconn = BIO_new(BIO_f_buffer());
2888         BIO_push(bconn, conn);
2889
2890         jpake_receive_step1(ctx, bconn);
2891         jpake_send_step1(bconn, ctx);
2892         jpake_receive_step2(ctx, bconn);
2893         jpake_send_step2(bconn, ctx);
2894         jpake_receive_step3a(ctx, bconn);
2895         jpake_send_step3b(bconn, ctx);
2896
2897         BIO_puts(out, "JPAKE authentication succeeded, setting PSK\n");
2898
2899         if (psk_key)
2900                 OPENSSL_free(psk_key);
2901
2902         psk_key = BN_bn2hex(JPAKE_get_shared_key(ctx));
2903
2904         BIO_pop(bconn);
2905         BIO_free(bconn);
2906
2907         JPAKE_CTX_free(ctx);
2908         }
2909
2910 #endif
2911
2912 #ifndef OPENSSL_NO_TLSEXT
2913 /* next_protos_parse parses a comma separated list of strings into a string
2914  * in a format suitable for passing to SSL_CTX_set_next_protos_advertised.
2915  *   outlen: (output) set to the length of the resulting buffer on success.
2916  *   err: (maybe NULL) on failure, an error message line is written to this BIO.
2917  *   in: a NUL termianted string like "abc,def,ghi"
2918  *
2919  *   returns: a malloced buffer or NULL on failure.
2920  */
2921 unsigned char *next_protos_parse(unsigned short *outlen, const char *in)
2922         {
2923         size_t len;
2924         unsigned char *out;
2925         size_t i, start = 0;
2926
2927         len = strlen(in);
2928         if (len >= 65535)
2929                 return NULL;
2930
2931         out = OPENSSL_malloc(strlen(in) + 1);
2932         if (!out)
2933                 return NULL;
2934
2935         for (i = 0; i <= len; ++i)
2936                 {
2937                 if (i == len || in[i] == ',')
2938                         {
2939                         if (i - start > 255)
2940                                 {
2941                                 OPENSSL_free(out);
2942                                 return NULL;
2943                                 }
2944                         out[start] = i - start;
2945                         start = i + 1;
2946                         }
2947                 else
2948                         out[i+1] = in[i];
2949                 }
2950
2951         *outlen = len + 1;
2952         return out;
2953         }
2954 #endif  /* ndef OPENSSL_NO_TLSEXT */
2955
2956 void print_cert_checks(BIO *bio, X509 *x,
2957                                 const unsigned char *checkhost,
2958                                 const unsigned char *checkemail,
2959                                 const char *checkip)
2960         {
2961         if (x == NULL)
2962                 return;
2963         if (checkhost)
2964                 {
2965                 BIO_printf(bio, "Hostname %s does%s match certificate\n",
2966                                 checkhost, X509_check_host(x, checkhost, 0, 0)
2967                                                 ? "" : " NOT");
2968                 }
2969
2970         if (checkemail)
2971                 {
2972                 BIO_printf(bio, "Email %s does%s match certificate\n",
2973                                 checkemail, X509_check_email(x, checkemail, 0,
2974                                                 0) ? "" : " NOT");
2975                 }
2976
2977         if (checkip)
2978                 {
2979                 BIO_printf(bio, "IP %s does%s match certificate\n",
2980                                 checkip, X509_check_ip_asc(x, checkip,
2981                                                 0) ? "" : " NOT");
2982                 }
2983         }
2984
2985 /* Get first http URL from a DIST_POINT structure */
2986
2987 static const char *get_dp_url(DIST_POINT *dp)
2988         {
2989         GENERAL_NAMES *gens;
2990         GENERAL_NAME *gen;
2991         int i, gtype;
2992         ASN1_STRING *uri;
2993         if (!dp->distpoint || dp->distpoint->type != 0)
2994                 return NULL;
2995         gens = dp->distpoint->name.fullname;
2996         for (i = 0; i < sk_GENERAL_NAME_num(gens); i++)
2997                 {
2998                 gen = sk_GENERAL_NAME_value(gens, i);
2999                 uri = GENERAL_NAME_get0_value(gen, &gtype);
3000                 if (gtype == GEN_URI && ASN1_STRING_length(uri) > 6)
3001                         {
3002                         char *uptr = (char *)ASN1_STRING_data(uri);
3003                         if (!strncmp(uptr, "http://", 7))
3004                                 return uptr;
3005                         }
3006                 }               
3007         return NULL;
3008         }
3009                 
3010
3011 /* Look through a CRLDP structure and attempt to find an http URL to downloads
3012  * a CRL from.
3013  */
3014
3015 static X509_CRL *load_crl_crldp(STACK_OF(DIST_POINT) *crldp)
3016         {
3017         int i;
3018         const char *urlptr = NULL;
3019         for (i = 0; i < sk_DIST_POINT_num(crldp); i++)
3020                 {
3021                 DIST_POINT *dp = sk_DIST_POINT_value(crldp, i);
3022                 urlptr = get_dp_url(dp);
3023                 if (urlptr)
3024                         return load_crl(urlptr, FORMAT_HTTP);
3025                 }
3026         return NULL;
3027         }
3028
3029 /* Example of downloading CRLs from CRLDP: not usable for real world
3030  * as it always downloads, doesn't support non-blocking I/O and doesn't
3031  * cache anything.
3032  */
3033
3034 static STACK_OF(X509_CRL) *crls_http_cb(X509_STORE_CTX *ctx, X509_NAME *nm)
3035         {
3036         X509 *x;
3037         STACK_OF(X509_CRL) *crls = NULL;
3038         X509_CRL *crl;
3039         STACK_OF(DIST_POINT) *crldp;
3040         x = X509_STORE_CTX_get_current_cert(ctx);
3041         crldp = X509_get_ext_d2i(x, NID_crl_distribution_points, NULL, NULL);
3042         crl = load_crl_crldp(crldp);
3043         sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
3044         if (!crl)
3045                 return NULL;
3046         crls = sk_X509_CRL_new_null();
3047         sk_X509_CRL_push(crls, crl);
3048         /* Try to download delta CRL */
3049         crldp = X509_get_ext_d2i(x, NID_freshest_crl, NULL, NULL);
3050         crl = load_crl_crldp(crldp);
3051         sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
3052         if (crl)
3053                 sk_X509_CRL_push(crls, crl);
3054         return crls;
3055         }
3056
3057 void store_setup_crl_download(X509_STORE *st)
3058         {
3059         X509_STORE_set_lookup_crls_cb(st, crls_http_cb);
3060         }
3061
3062 /*
3063  * Platform-specific sections
3064  */
3065 #if defined(_WIN32)
3066 # ifdef fileno
3067 #  undef fileno
3068 #  define fileno(a) (int)_fileno(a)
3069 # endif
3070
3071 # include <windows.h>
3072 # include <tchar.h>
3073
3074 static int WIN32_rename(const char *from, const char *to)
3075         {
3076         TCHAR  *tfrom=NULL,*tto;
3077         DWORD   err;
3078         int     ret=0;
3079
3080         if (sizeof(TCHAR) == 1)
3081                 {
3082                 tfrom = (TCHAR *)from;
3083                 tto   = (TCHAR *)to;
3084                 }
3085         else    /* UNICODE path */
3086                 {
3087                 size_t i,flen=strlen(from)+1,tlen=strlen(to)+1;
3088                 tfrom = (TCHAR *)malloc(sizeof(TCHAR)*(flen+tlen));
3089                 if (tfrom==NULL) goto err;
3090                 tto=tfrom+flen;
3091 #if !defined(_WIN32_WCE) || _WIN32_WCE>=101
3092                 if (!MultiByteToWideChar(CP_ACP,0,from,flen,(WCHAR *)tfrom,flen))
3093 #endif
3094                         for (i=0;i<flen;i++)    tfrom[i]=(TCHAR)from[i];
3095 #if !defined(_WIN32_WCE) || _WIN32_WCE>=101
3096                 if (!MultiByteToWideChar(CP_ACP,0,to,  tlen,(WCHAR *)tto,  tlen))
3097 #endif
3098                         for (i=0;i<tlen;i++)    tto[i]  =(TCHAR)to[i];
3099                 }
3100
3101         if (MoveFile(tfrom,tto))        goto ok;
3102         err=GetLastError();
3103         if (err==ERROR_ALREADY_EXISTS || err==ERROR_FILE_EXISTS)
3104                 {
3105                 if (DeleteFile(tto) && MoveFile(tfrom,tto))
3106                         goto ok;
3107                 err=GetLastError();
3108                 }
3109         if (err==ERROR_FILE_NOT_FOUND || err==ERROR_PATH_NOT_FOUND)
3110                 errno = ENOENT;
3111         else if (err==ERROR_ACCESS_DENIED)
3112                 errno = EACCES;
3113         else
3114                 errno = EINVAL; /* we could map more codes... */
3115 err:
3116         ret=-1;
3117 ok:
3118         if (tfrom!=NULL && tfrom!=(TCHAR *)from)        free(tfrom);
3119         return ret;
3120         }
3121 #endif
3122
3123 /* app_tminterval section */
3124 #if defined(_WIN32)
3125 double app_tminterval(int stop,int usertime)
3126         {
3127         FILETIME                now;
3128         double                  ret=0;
3129         static ULARGE_INTEGER   tmstart;
3130         static int              warning=1;
3131 #ifdef _WIN32_WINNT
3132         static HANDLE           proc=NULL;
3133
3134         if (proc==NULL)
3135                 {
3136                 if (GetVersion() < 0x80000000)
3137                         proc = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,
3138                                                 GetCurrentProcessId());
3139                 if (proc==NULL) proc = (HANDLE)-1;
3140                 }
3141
3142         if (usertime && proc!=(HANDLE)-1)
3143                 {
3144                 FILETIME junk;
3145                 GetProcessTimes(proc,&junk,&junk,&junk,&now);
3146                 }
3147         else
3148 #endif
3149                 {
3150                 SYSTEMTIME systime;
3151
3152                 if (usertime && warning)
3153                         {
3154                         BIO_printf(bio_err,"To get meaningful results, run "
3155                                            "this program on idle system.\n");
3156                         warning=0;
3157                         }
3158                 GetSystemTime(&systime);
3159                 SystemTimeToFileTime(&systime,&now);
3160                 }
3161
3162         if (stop==TM_START)
3163                 {
3164                 tmstart.u.LowPart  = now.dwLowDateTime;
3165                 tmstart.u.HighPart = now.dwHighDateTime;
3166                 }
3167         else    {
3168                 ULARGE_INTEGER tmstop;
3169
3170                 tmstop.u.LowPart   = now.dwLowDateTime;
3171                 tmstop.u.HighPart  = now.dwHighDateTime;
3172
3173                 ret = (__int64)(tmstop.QuadPart - tmstart.QuadPart)*1e-7;
3174                 }
3175
3176         return (ret);
3177         }
3178
3179 #elif defined(OPENSSL_SYS_NETWARE)
3180 #include <time.h>
3181
3182 double app_tminterval(int stop,int usertime)
3183         {
3184         double          ret=0;
3185         static clock_t  tmstart;
3186         static int      warning=1;
3187
3188         if (usertime && warning)
3189                 {
3190                 BIO_printf(bio_err,"To get meaningful results, run "
3191                                    "this program on idle system.\n");
3192                 warning=0;
3193                 }
3194
3195         if (stop==TM_START)     tmstart = clock();
3196         else                    ret     = (clock()-tmstart)/(double)CLOCKS_PER_SEC;
3197
3198         return (ret);
3199         }
3200
3201 #elif defined(OPENSSL_SYSTEM_VXWORKS)
3202 #include <time.h>
3203
3204 double app_tminterval(int stop,int usertime)
3205         {
3206         double ret=0;
3207 #ifdef CLOCK_REALTIME
3208         static struct timespec  tmstart;
3209         struct timespec         now;
3210 #else
3211         static unsigned long    tmstart;
3212         unsigned long           now;
3213 #endif
3214         static int warning=1;
3215
3216         if (usertime && warning)
3217                 {
3218                 BIO_printf(bio_err,"To get meaningful results, run "
3219                                    "this program on idle system.\n");
3220                 warning=0;
3221                 }
3222
3223 #ifdef CLOCK_REALTIME
3224         clock_gettime(CLOCK_REALTIME,&now);
3225         if (stop==TM_START)     tmstart = now;
3226         else    ret = ( (now.tv_sec+now.tv_nsec*1e-9)
3227                         - (tmstart.tv_sec+tmstart.tv_nsec*1e-9) );
3228 #else
3229         now = tickGet();
3230         if (stop==TM_START)     tmstart = now;
3231         else                    ret = (now - tmstart)/(double)sysClkRateGet();
3232 #endif
3233         return (ret);
3234         }
3235
3236 #elif defined(OPENSSL_SYSTEM_VMS)
3237 #include <time.h>
3238 #include <times.h>
3239
3240 double app_tminterval(int stop,int usertime)
3241         {
3242         static clock_t  tmstart;
3243         double          ret = 0;
3244         clock_t         now;
3245 #ifdef __TMS
3246         struct tms      rus;
3247
3248         now = times(&rus);
3249         if (usertime)   now = rus.tms_utime;
3250 #else
3251         if (usertime)
3252                 now = clock(); /* sum of user and kernel times */
3253         else    {
3254                 struct timeval tv;
3255                 gettimeofday(&tv,NULL);
3256                 now = (clock_t)(
3257                         (unsigned long long)tv.tv_sec*CLK_TCK +
3258                         (unsigned long long)tv.tv_usec*(1000000/CLK_TCK)
3259                         );
3260                 }
3261 #endif
3262         if (stop==TM_START)     tmstart = now;
3263         else                    ret = (now - tmstart)/(double)(CLK_TCK);
3264
3265         return (ret);
3266         }
3267
3268 #elif defined(_SC_CLK_TCK)      /* by means of unistd.h */
3269 #include <sys/times.h>
3270
3271 double app_tminterval(int stop,int usertime)
3272         {
3273         double          ret = 0;
3274         struct tms      rus;
3275         clock_t         now = times(&rus);
3276         static clock_t  tmstart;
3277
3278         if (usertime)           now = rus.tms_utime;
3279
3280         if (stop==TM_START)     tmstart = now;
3281         else
3282                 {
3283                 long int tck = sysconf(_SC_CLK_TCK);
3284                 ret = (now - tmstart)/(double)tck;
3285                 }
3286
3287         return (ret);
3288         }
3289
3290 #else
3291 #include <sys/time.h>
3292 #include <sys/resource.h>
3293
3294 double app_tminterval(int stop,int usertime)
3295         {
3296         double          ret = 0;
3297         struct rusage   rus;
3298         struct timeval  now;
3299         static struct timeval tmstart;
3300
3301         if (usertime)           getrusage(RUSAGE_SELF,&rus), now = rus.ru_utime;
3302         else                    gettimeofday(&now,NULL);
3303
3304         if (stop==TM_START)     tmstart = now;
3305         else                    ret = ( (now.tv_sec+now.tv_usec*1e-6)
3306                                         - (tmstart.tv_sec+tmstart.tv_usec*1e-6) );
3307
3308         return ret;
3309         }
3310 #endif
3311
3312 /* app_isdir section */
3313 #ifdef _WIN32
3314 int app_isdir(const char *name)
3315         {
3316         HANDLE          hList;
3317         WIN32_FIND_DATA FileData;
3318 #if defined(UNICODE) || defined(_UNICODE)
3319         size_t i, len_0 = strlen(name)+1;
3320
3321         if (len_0 > sizeof(FileData.cFileName)/sizeof(FileData.cFileName[0]))
3322                 return -1;
3323
3324 #if !defined(_WIN32_WCE) || _WIN32_WCE>=101
3325         if (!MultiByteToWideChar(CP_ACP,0,name,len_0,FileData.cFileName,len_0))
3326 #endif
3327                 for (i=0;i<len_0;i++)
3328                         FileData.cFileName[i] = (WCHAR)name[i];
3329
3330         hList = FindFirstFile(FileData.cFileName,&FileData);
3331 #else
3332         hList = FindFirstFile(name,&FileData);
3333 #endif
3334         if (hList == INVALID_HANDLE_VALUE)      return -1;
3335         FindClose(hList);
3336         return ((FileData.dwFileAttributes&FILE_ATTRIBUTE_DIRECTORY)!=0);
3337         }
3338 #else
3339 #include <sys/stat.h>
3340 #ifndef S_ISDIR
3341 # if defined(_S_IFMT) && defined(_S_IFDIR)
3342 #  define S_ISDIR(a)   (((a) & _S_IFMT) == _S_IFDIR)
3343 # else 
3344 #  define S_ISDIR(a)   (((a) & S_IFMT) == S_IFDIR)
3345 # endif 
3346 #endif 
3347
3348 int app_isdir(const char *name)
3349         {
3350 #if defined(S_ISDIR)
3351         struct stat st;
3352
3353         if (stat(name,&st)==0)  return S_ISDIR(st.st_mode);
3354         else                    return -1;
3355 #else
3356         return -1;
3357 #endif
3358         }
3359 #endif
3360
3361 /* raw_read|write section */
3362 #if defined(_WIN32) && defined(STD_INPUT_HANDLE)
3363 int raw_read_stdin(void *buf,int siz)
3364         {
3365         DWORD n;
3366         if (ReadFile(GetStdHandle(STD_INPUT_HANDLE),buf,siz,&n,NULL))
3367                 return (n);
3368         else    return (-1);
3369         }
3370 #else
3371 int raw_read_stdin(void *buf,int siz)
3372         {       return read(fileno(stdin),buf,siz);     }
3373 #endif
3374
3375 #if defined(_WIN32) && defined(STD_OUTPUT_HANDLE)
3376 int raw_write_stdout(const void *buf,int siz)
3377         {
3378         DWORD n;
3379         if (WriteFile(GetStdHandle(STD_OUTPUT_HANDLE),buf,siz,&n,NULL))
3380                 return (n);
3381         else    return (-1);
3382         }
3383 #else
3384 int raw_write_stdout(const void *buf,int siz)
3385         {       return write(fileno(stdout),buf,siz);   }
3386 #endif