Update from 1.0.0-stable.
[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 #define _POSIX_C_SOURCE 2       /* On VMS, you need to define this to get
113                                    the declaration of fileno().  The value
114                                    2 is to make sure no function defined
115                                    in POSIX-2 is left undefined. */
116 #include <stdio.h>
117 #include <stdlib.h>
118 #include <string.h>
119 #ifndef OPENSSL_SYSNAME_WIN32
120 #include <strings.h>
121 #endif
122 #include <sys/types.h>
123 #include <ctype.h>
124 #include <errno.h>
125 #include <assert.h>
126 #include <openssl/err.h>
127 #include <openssl/x509.h>
128 #include <openssl/x509v3.h>
129 #include <openssl/pem.h>
130 #include <openssl/pkcs12.h>
131 #include <openssl/ui.h>
132 #include <openssl/safestack.h>
133 #ifndef OPENSSL_NO_ENGINE
134 #include <openssl/engine.h>
135 #endif
136 #ifndef OPENSSL_NO_RSA
137 #include <openssl/rsa.h>
138 #endif
139 #include <openssl/bn.h>
140 #ifndef OPENSSL_NO_JPAKE
141 #include <openssl/jpake.h>
142 #endif
143
144 #define NON_MAIN
145 #include "apps.h"
146 #undef NON_MAIN
147
148 #ifdef _WIN32
149 static int WIN32_rename(const char *from, const char *to);
150 #define rename(from,to) WIN32_rename((from),(to))
151 #endif
152
153 typedef struct {
154         const char *name;
155         unsigned long flag;
156         unsigned long mask;
157 } NAME_EX_TBL;
158
159 static UI_METHOD *ui_method = NULL;
160
161 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
162 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
163
164 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
165 /* Looks like this stuff is worth moving into separate function */
166 static EVP_PKEY *
167 load_netscape_key(BIO *err, BIO *key, const char *file,
168                 const char *key_descrip, int format);
169 #endif
170
171 int app_init(long mesgwin);
172 #ifdef undef /* never finished - probably never will be :-) */
173 int args_from_file(char *file, int *argc, char **argv[])
174         {
175         FILE *fp;
176         int num,i;
177         unsigned int len;
178         static char *buf=NULL;
179         static char **arg=NULL;
180         char *p;
181
182         fp=fopen(file,"r");
183         if (fp == NULL)
184                 return(0);
185
186         if (fseek(fp,0,SEEK_END)==0)
187                 len=ftell(fp), rewind(fp);
188         else    len=-1;
189         if (len<=0)
190                 {
191                 fclose(fp);
192                 return(0);
193                 }
194
195         *argc=0;
196         *argv=NULL;
197
198         if (buf != NULL) OPENSSL_free(buf);
199         buf=(char *)OPENSSL_malloc(len+1);
200         if (buf == NULL) return(0);
201
202         len=fread(buf,1,len,fp);
203         if (len <= 1) return(0);
204         buf[len]='\0';
205
206         i=0;
207         for (p=buf; *p; p++)
208                 if (*p == '\n') i++;
209         if (arg != NULL) OPENSSL_free(arg);
210         arg=(char **)OPENSSL_malloc(sizeof(char *)*(i*2));
211
212         *argv=arg;
213         num=0;
214         p=buf;
215         for (;;)
216                 {
217                 if (!*p) break;
218                 if (*p == '#') /* comment line */
219                         {
220                         while (*p && (*p != '\n')) p++;
221                         continue;
222                         }
223                 /* else we have a line */
224                 *(arg++)=p;
225                 num++;
226                 while (*p && ((*p != ' ') && (*p != '\t') && (*p != '\n')))
227                         p++;
228                 if (!*p) break;
229                 if (*p == '\n')
230                         {
231                         *(p++)='\0';
232                         continue;
233                         }
234                 /* else it is a tab or space */
235                 p++;
236                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
237                         p++;
238                 if (!*p) break;
239                 if (*p == '\n')
240                         {
241                         p++;
242                         continue;
243                         }
244                 *(arg++)=p++;
245                 num++;
246                 while (*p && (*p != '\n')) p++;
247                 if (!*p) break;
248                 /* else *p == '\n' */
249                 *(p++)='\0';
250                 }
251         *argc=num;
252         return(1);
253         }
254 #endif
255
256 int str2fmt(char *s)
257         {
258         if      ((*s == 'D') || (*s == 'd'))
259                 return(FORMAT_ASN1);
260         else if ((*s == 'T') || (*s == 't'))
261                 return(FORMAT_TEXT);
262         else if ((*s == 'N') || (*s == 'n'))
263                 return(FORMAT_NETSCAPE);
264         else if ((*s == 'S') || (*s == 's'))
265                 return(FORMAT_SMIME);
266         else if ((*s == 'M') || (*s == 'm'))
267                 return(FORMAT_MSBLOB);
268         else if ((*s == '1')
269                 || (strcmp(s,"PKCS12") == 0) || (strcmp(s,"pkcs12") == 0)
270                 || (strcmp(s,"P12") == 0) || (strcmp(s,"p12") == 0))
271                 return(FORMAT_PKCS12);
272         else if ((*s == 'E') || (*s == 'e'))
273                 return(FORMAT_ENGINE);
274         else if ((*s == 'P') || (*s == 'p'))
275                 {
276                 if (s[1] == 'V' || s[1] == 'v')
277                         return FORMAT_PVK;
278                 else
279                         return(FORMAT_PEM);
280                 }
281         else
282                 return(FORMAT_UNDEF);
283         }
284
285 #if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16) || defined(OPENSSL_SYS_NETWARE)
286 void program_name(char *in, char *out, int size)
287         {
288         int i,n;
289         char *p=NULL;
290
291         n=strlen(in);
292         /* find the last '/', '\' or ':' */
293         for (i=n-1; i>0; i--)
294                 {
295                 if ((in[i] == '/') || (in[i] == '\\') || (in[i] == ':'))
296                         {
297                         p= &(in[i+1]);
298                         break;
299                         }
300                 }
301         if (p == NULL)
302                 p=in;
303         n=strlen(p);
304
305 #if defined(OPENSSL_SYS_NETWARE)
306    /* strip off trailing .nlm if present. */
307    if ((n > 4) && (p[n-4] == '.') &&
308       ((p[n-3] == 'n') || (p[n-3] == 'N')) &&
309       ((p[n-2] == 'l') || (p[n-2] == 'L')) &&
310       ((p[n-1] == 'm') || (p[n-1] == 'M')))
311       n-=4;
312 #else
313         /* strip off trailing .exe if present. */
314         if ((n > 4) && (p[n-4] == '.') &&
315                 ((p[n-3] == 'e') || (p[n-3] == 'E')) &&
316                 ((p[n-2] == 'x') || (p[n-2] == 'X')) &&
317                 ((p[n-1] == 'e') || (p[n-1] == 'E')))
318                 n-=4;
319 #endif
320
321         if (n > size-1)
322                 n=size-1;
323
324         for (i=0; i<n; i++)
325                 {
326                 if ((p[i] >= 'A') && (p[i] <= 'Z'))
327                         out[i]=p[i]-'A'+'a';
328                 else
329                         out[i]=p[i];
330                 }
331         out[n]='\0';
332         }
333 #else
334 #ifdef OPENSSL_SYS_VMS
335 void program_name(char *in, char *out, int size)
336         {
337         char *p=in, *q;
338         char *chars=":]>";
339
340         while(*chars != '\0')
341                 {
342                 q=strrchr(p,*chars);
343                 if (q > p)
344                         p = q + 1;
345                 chars++;
346                 }
347
348         q=strrchr(p,'.');
349         if (q == NULL)
350                 q = p + strlen(p);
351         strncpy(out,p,size-1);
352         if (q-p >= size)
353                 {
354                 out[size-1]='\0';
355                 }
356         else
357                 {
358                 out[q-p]='\0';
359                 }
360         }
361 #else
362 void program_name(char *in, char *out, int size)
363         {
364         char *p;
365
366         p=strrchr(in,'/');
367         if (p != NULL)
368                 p++;
369         else
370                 p=in;
371         BUF_strlcpy(out,p,size);
372         }
373 #endif
374 #endif
375
376 int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
377         {
378         int num,len,i;
379         char *p;
380
381         *argc=0;
382         *argv=NULL;
383
384         len=strlen(buf);
385         i=0;
386         if (arg->count == 0)
387                 {
388                 arg->count=20;
389                 arg->data=(char **)OPENSSL_malloc(sizeof(char *)*arg->count);
390                 }
391         for (i=0; i<arg->count; i++)
392                 arg->data[i]=NULL;
393
394         num=0;
395         p=buf;
396         for (;;)
397                 {
398                 /* first scan over white space */
399                 if (!*p) break;
400                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
401                         p++;
402                 if (!*p) break;
403
404                 /* The start of something good :-) */
405                 if (num >= arg->count)
406                         {
407                         char **tmp_p;
408                         int tlen = arg->count + 20;
409                         tmp_p = (char **)OPENSSL_realloc(arg->data,
410                                 sizeof(char *)*tlen);
411                         if (tmp_p == NULL)
412                                 return 0;
413                         arg->data  = tmp_p;
414                         arg->count = tlen;
415                         /* initialize newly allocated data */
416                         for (i = num; i < arg->count; i++)
417                                 arg->data[i] = NULL;
418                         }
419                 arg->data[num++]=p;
420
421                 /* now look for the end of this */
422                 if ((*p == '\'') || (*p == '\"')) /* scan for closing quote */
423                         {
424                         i= *(p++);
425                         arg->data[num-1]++; /* jump over quote */
426                         while (*p && (*p != i))
427                                 p++;
428                         *p='\0';
429                         }
430                 else
431                         {
432                         while (*p && ((*p != ' ') &&
433                                 (*p != '\t') && (*p != '\n')))
434                                 p++;
435
436                         if (*p == '\0')
437                                 p--;
438                         else
439                                 *p='\0';
440                         }
441                 p++;
442                 }
443         *argc=num;
444         *argv=arg->data;
445         return(1);
446         }
447
448 #ifndef APP_INIT
449 int app_init(long mesgwin)
450         {
451         return(1);
452         }
453 #endif
454
455
456 int dump_cert_text (BIO *out, X509 *x)
457 {
458         char *p;
459
460         p=X509_NAME_oneline(X509_get_subject_name(x),NULL,0);
461         BIO_puts(out,"subject=");
462         BIO_puts(out,p);
463         OPENSSL_free(p);
464
465         p=X509_NAME_oneline(X509_get_issuer_name(x),NULL,0);
466         BIO_puts(out,"\nissuer=");
467         BIO_puts(out,p);
468         BIO_puts(out,"\n");
469         OPENSSL_free(p);
470
471         return 0;
472 }
473
474 static int ui_open(UI *ui)
475         {
476         return UI_method_get_opener(UI_OpenSSL())(ui);
477         }
478 static int ui_read(UI *ui, UI_STRING *uis)
479         {
480         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
481                 && UI_get0_user_data(ui))
482                 {
483                 switch(UI_get_string_type(uis))
484                         {
485                 case UIT_PROMPT:
486                 case UIT_VERIFY:
487                         {
488                         const char *password =
489                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
490                         if (password && password[0] != '\0')
491                                 {
492                                 UI_set_result(ui, uis, password);
493                                 return 1;
494                                 }
495                         }
496                 default:
497                         break;
498                         }
499                 }
500         return UI_method_get_reader(UI_OpenSSL())(ui, uis);
501         }
502 static int ui_write(UI *ui, UI_STRING *uis)
503         {
504         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
505                 && UI_get0_user_data(ui))
506                 {
507                 switch(UI_get_string_type(uis))
508                         {
509                 case UIT_PROMPT:
510                 case UIT_VERIFY:
511                         {
512                         const char *password =
513                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
514                         if (password && password[0] != '\0')
515                                 return 1;
516                         }
517                 default:
518                         break;
519                         }
520                 }
521         return UI_method_get_writer(UI_OpenSSL())(ui, uis);
522         }
523 static int ui_close(UI *ui)
524         {
525         return UI_method_get_closer(UI_OpenSSL())(ui);
526         }
527 int setup_ui_method(void)
528         {
529         ui_method = UI_create_method("OpenSSL application user interface");
530         UI_method_set_opener(ui_method, ui_open);
531         UI_method_set_reader(ui_method, ui_read);
532         UI_method_set_writer(ui_method, ui_write);
533         UI_method_set_closer(ui_method, ui_close);
534         return 0;
535         }
536 void destroy_ui_method(void)
537         {
538         if(ui_method)
539                 {
540                 UI_destroy_method(ui_method);
541                 ui_method = NULL;
542                 }
543         }
544 int password_callback(char *buf, int bufsiz, int verify,
545         PW_CB_DATA *cb_tmp)
546         {
547         UI *ui = NULL;
548         int res = 0;
549         const char *prompt_info = NULL;
550         const char *password = NULL;
551         PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp;
552
553         if (cb_data)
554                 {
555                 if (cb_data->password)
556                         password = cb_data->password;
557                 if (cb_data->prompt_info)
558                         prompt_info = cb_data->prompt_info;
559                 }
560
561         if (password)
562                 {
563                 res = strlen(password);
564                 if (res > bufsiz)
565                         res = bufsiz;
566                 memcpy(buf, password, res);
567                 return res;
568                 }
569
570         ui = UI_new_method(ui_method);
571         if (ui)
572                 {
573                 int ok = 0;
574                 char *buff = NULL;
575                 int ui_flags = 0;
576                 char *prompt = NULL;
577
578                 prompt = UI_construct_prompt(ui, "pass phrase",
579                         prompt_info);
580
581                 ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
582                 UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
583
584                 if (ok >= 0)
585                         ok = UI_add_input_string(ui,prompt,ui_flags,buf,
586                                 PW_MIN_LENGTH,BUFSIZ-1);
587                 if (ok >= 0 && verify)
588                         {
589                         buff = (char *)OPENSSL_malloc(bufsiz);
590                         ok = UI_add_verify_string(ui,prompt,ui_flags,buff,
591                                 PW_MIN_LENGTH,BUFSIZ-1, buf);
592                         }
593                 if (ok >= 0)
594                         do
595                                 {
596                                 ok = UI_process(ui);
597                                 }
598                         while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
599
600                 if (buff)
601                         {
602                         OPENSSL_cleanse(buff,(unsigned int)bufsiz);
603                         OPENSSL_free(buff);
604                         }
605
606                 if (ok >= 0)
607                         res = strlen(buf);
608                 if (ok == -1)
609                         {
610                         BIO_printf(bio_err, "User interface error\n");
611                         ERR_print_errors(bio_err);
612                         OPENSSL_cleanse(buf,(unsigned int)bufsiz);
613                         res = 0;
614                         }
615                 if (ok == -2)
616                         {
617                         BIO_printf(bio_err,"aborted!\n");
618                         OPENSSL_cleanse(buf,(unsigned int)bufsiz);
619                         res = 0;
620                         }
621                 UI_free(ui);
622                 OPENSSL_free(prompt);
623                 }
624         return res;
625         }
626
627 static char *app_get_pass(BIO *err, char *arg, int keepbio);
628
629 int app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2)
630 {
631         int same;
632         if(!arg2 || !arg1 || strcmp(arg1, arg2)) same = 0;
633         else same = 1;
634         if(arg1) {
635                 *pass1 = app_get_pass(err, arg1, same);
636                 if(!*pass1) return 0;
637         } else if(pass1) *pass1 = NULL;
638         if(arg2) {
639                 *pass2 = app_get_pass(err, arg2, same ? 2 : 0);
640                 if(!*pass2) return 0;
641         } else if(pass2) *pass2 = NULL;
642         return 1;
643 }
644
645 static char *app_get_pass(BIO *err, char *arg, int keepbio)
646 {
647         char *tmp, tpass[APP_PASS_LEN];
648         static BIO *pwdbio = NULL;
649         int i;
650         if(!strncmp(arg, "pass:", 5)) return BUF_strdup(arg + 5);
651         if(!strncmp(arg, "env:", 4)) {
652                 tmp = getenv(arg + 4);
653                 if(!tmp) {
654                         BIO_printf(err, "Can't read environment variable %s\n", arg + 4);
655                         return NULL;
656                 }
657                 return BUF_strdup(tmp);
658         }
659         if(!keepbio || !pwdbio) {
660                 if(!strncmp(arg, "file:", 5)) {
661                         pwdbio = BIO_new_file(arg + 5, "r");
662                         if(!pwdbio) {
663                                 BIO_printf(err, "Can't open file %s\n", arg + 5);
664                                 return NULL;
665                         }
666 #if !defined(_WIN32)
667                 /*
668                  * Under _WIN32, which covers even Win64 and CE, file
669                  * descriptors referenced by BIO_s_fd are not inherited
670                  * by child process and therefore below is not an option.
671                  * It could have been an option if bss_fd.c was operating
672                  * on real Windows descriptors, such as those obtained
673                  * with CreateFile.
674                  */
675                 } else if(!strncmp(arg, "fd:", 3)) {
676                         BIO *btmp;
677                         i = atoi(arg + 3);
678                         if(i >= 0) pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
679                         if((i < 0) || !pwdbio) {
680                                 BIO_printf(err, "Can't access file descriptor %s\n", arg + 3);
681                                 return NULL;
682                         }
683                         /* Can't do BIO_gets on an fd BIO so add a buffering BIO */
684                         btmp = BIO_new(BIO_f_buffer());
685                         pwdbio = BIO_push(btmp, pwdbio);
686 #endif
687                 } else if(!strcmp(arg, "stdin")) {
688                         pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE);
689                         if(!pwdbio) {
690                                 BIO_printf(err, "Can't open BIO for stdin\n");
691                                 return NULL;
692                         }
693                 } else {
694                         BIO_printf(err, "Invalid password argument \"%s\"\n", arg);
695                         return NULL;
696                 }
697         }
698         i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
699         if(keepbio != 1) {
700                 BIO_free_all(pwdbio);
701                 pwdbio = NULL;
702         }
703         if(i <= 0) {
704                 BIO_printf(err, "Error reading password from BIO\n");
705                 return NULL;
706         }
707         tmp = strchr(tpass, '\n');
708         if(tmp) *tmp = 0;
709         return BUF_strdup(tpass);
710 }
711
712 int add_oid_section(BIO *err, CONF *conf)
713 {       
714         char *p;
715         STACK_OF(CONF_VALUE) *sktmp;
716         CONF_VALUE *cnf;
717         int i;
718         if(!(p=NCONF_get_string(conf,NULL,"oid_section")))
719                 {
720                 ERR_clear_error();
721                 return 1;
722                 }
723         if(!(sktmp = NCONF_get_section(conf, p))) {
724                 BIO_printf(err, "problem loading oid section %s\n", p);
725                 return 0;
726         }
727         for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
728                 cnf = sk_CONF_VALUE_value(sktmp, i);
729                 if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
730                         BIO_printf(err, "problem creating object %s=%s\n",
731                                                          cnf->name, cnf->value);
732                         return 0;
733                 }
734         }
735         return 1;
736 }
737
738 static int load_pkcs12(BIO *err, BIO *in, const char *desc,
739                 pem_password_cb *pem_cb,  void *cb_data,
740                 EVP_PKEY **pkey, X509 **cert, STACK_OF(X509) **ca)
741         {
742         const char *pass;
743         char tpass[PEM_BUFSIZE];
744         int len, ret = 0;
745         PKCS12 *p12;
746         p12 = d2i_PKCS12_bio(in, NULL);
747         if (p12 == NULL)
748                 {
749                 BIO_printf(err, "Error loading PKCS12 file for %s\n", desc);    
750                 goto die;
751                 }
752         /* See if an empty password will do */
753         if (PKCS12_verify_mac(p12, "", 0) || PKCS12_verify_mac(p12, NULL, 0))
754                 pass = "";
755         else
756                 {
757                 if (!pem_cb)
758                         pem_cb = (pem_password_cb *)password_callback;
759                 len = pem_cb(tpass, PEM_BUFSIZE, 0, cb_data);
760                 if (len < 0) 
761                         {
762                         BIO_printf(err, "Passpharse callback error for %s\n",
763                                         desc);
764                         goto die;
765                         }
766                 if (len < PEM_BUFSIZE)
767                         tpass[len] = 0;
768                 if (!PKCS12_verify_mac(p12, tpass, len))
769                         {
770                         BIO_printf(err,
771         "Mac verify error (wrong password?) in PKCS12 file for %s\n", desc);    
772                         goto die;
773                         }
774                 pass = tpass;
775                 }
776         ret = PKCS12_parse(p12, pass, pkey, cert, ca);
777         die:
778         if (p12)
779                 PKCS12_free(p12);
780         return ret;
781         }
782
783 X509 *load_cert(BIO *err, const char *file, int format,
784         const char *pass, ENGINE *e, const char *cert_descrip)
785         {
786         X509 *x=NULL;
787         BIO *cert;
788
789         if ((cert=BIO_new(BIO_s_file())) == NULL)
790                 {
791                 ERR_print_errors(err);
792                 goto end;
793                 }
794
795         if (file == NULL)
796                 {
797 #ifdef _IONBF
798                 setvbuf(stdin, NULL, _IONBF, 0);
799 #endif
800                 BIO_set_fp(cert,stdin,BIO_NOCLOSE);
801                 }
802         else
803                 {
804                 if (BIO_read_filename(cert,file) <= 0)
805                         {
806                         BIO_printf(err, "Error opening %s %s\n",
807                                 cert_descrip, file);
808                         ERR_print_errors(err);
809                         goto end;
810                         }
811                 }
812
813         if      (format == FORMAT_ASN1)
814                 x=d2i_X509_bio(cert,NULL);
815         else if (format == FORMAT_NETSCAPE)
816                 {
817                 NETSCAPE_X509 *nx;
818                 nx=ASN1_item_d2i_bio(ASN1_ITEM_rptr(NETSCAPE_X509),cert,NULL);
819                 if (nx == NULL)
820                                 goto end;
821
822                 if ((strncmp(NETSCAPE_CERT_HDR,(char *)nx->header->data,
823                         nx->header->length) != 0))
824                         {
825                         NETSCAPE_X509_free(nx);
826                         BIO_printf(err,"Error reading header on certificate\n");
827                         goto end;
828                         }
829                 x=nx->cert;
830                 nx->cert = NULL;
831                 NETSCAPE_X509_free(nx);
832                 }
833         else if (format == FORMAT_PEM)
834                 x=PEM_read_bio_X509_AUX(cert,NULL,
835                         (pem_password_cb *)password_callback, NULL);
836         else if (format == FORMAT_PKCS12)
837                 {
838                 if (!load_pkcs12(err, cert,cert_descrip, NULL, NULL,
839                                         NULL, &x, NULL))
840                         goto end;
841                 }
842         else    {
843                 BIO_printf(err,"bad input format specified for %s\n",
844                         cert_descrip);
845                 goto end;
846                 }
847 end:
848         if (x == NULL)
849                 {
850                 BIO_printf(err,"unable to load certificate\n");
851                 ERR_print_errors(err);
852                 }
853         if (cert != NULL) BIO_free(cert);
854         return(x);
855         }
856
857 EVP_PKEY *load_key(BIO *err, const char *file, int format, int maybe_stdin,
858         const char *pass, ENGINE *e, const char *key_descrip)
859         {
860         BIO *key=NULL;
861         EVP_PKEY *pkey=NULL;
862         PW_CB_DATA cb_data;
863
864         cb_data.password = pass;
865         cb_data.prompt_info = file;
866
867         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
868                 {
869                 BIO_printf(err,"no keyfile specified\n");
870                 goto end;
871                 }
872 #ifndef OPENSSL_NO_ENGINE
873         if (format == FORMAT_ENGINE)
874                 {
875                 if (!e)
876                         BIO_printf(bio_err,"no engine specified\n");
877                 else
878                         pkey = ENGINE_load_private_key(e, file,
879                                 ui_method, &cb_data);
880                 goto end;
881                 }
882 #endif
883         key=BIO_new(BIO_s_file());
884         if (key == NULL)
885                 {
886                 ERR_print_errors(err);
887                 goto end;
888                 }
889         if (file == NULL && maybe_stdin)
890                 {
891 #ifdef _IONBF
892                 setvbuf(stdin, NULL, _IONBF, 0);
893 #endif
894                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
895                 }
896         else
897                 if (BIO_read_filename(key,file) <= 0)
898                         {
899                         BIO_printf(err, "Error opening %s %s\n",
900                                 key_descrip, file);
901                         ERR_print_errors(err);
902                         goto end;
903                         }
904         if (format == FORMAT_ASN1)
905                 {
906                 pkey=d2i_PrivateKey_bio(key, NULL);
907                 }
908         else if (format == FORMAT_PEM)
909                 {
910                 pkey=PEM_read_bio_PrivateKey(key,NULL,
911                         (pem_password_cb *)password_callback, &cb_data);
912                 }
913 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
914         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
915                 pkey = load_netscape_key(err, key, file, key_descrip, format);
916 #endif
917         else if (format == FORMAT_PKCS12)
918                 {
919                 if (!load_pkcs12(err, key, key_descrip,
920                                 (pem_password_cb *)password_callback, &cb_data,
921                                 &pkey, NULL, NULL))
922                         goto end;
923                 }
924 #if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA)
925         else if (format == FORMAT_MSBLOB)
926                 pkey = b2i_PrivateKey_bio(key);
927         else if (format == FORMAT_PVK)
928                 pkey = b2i_PVK_bio(key, (pem_password_cb *)password_callback,
929                                                                 &cb_data);
930 #endif
931         else
932                 {
933                 BIO_printf(err,"bad input format specified for key file\n");
934                 goto end;
935                 }
936  end:
937         if (key != NULL) BIO_free(key);
938         if (pkey == NULL)
939                 BIO_printf(err,"unable to load %s\n", key_descrip);
940         return(pkey);
941         }
942
943 EVP_PKEY *load_pubkey(BIO *err, const char *file, int format, int maybe_stdin,
944         const char *pass, ENGINE *e, const char *key_descrip)
945         {
946         BIO *key=NULL;
947         EVP_PKEY *pkey=NULL;
948         PW_CB_DATA cb_data;
949
950         cb_data.password = pass;
951         cb_data.prompt_info = file;
952
953         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
954                 {
955                 BIO_printf(err,"no keyfile specified\n");
956                 goto end;
957                 }
958 #ifndef OPENSSL_NO_ENGINE
959         if (format == FORMAT_ENGINE)
960                 {
961                 if (!e)
962                         BIO_printf(bio_err,"no engine specified\n");
963                 else
964                         pkey = ENGINE_load_public_key(e, file,
965                                 ui_method, &cb_data);
966                 goto end;
967                 }
968 #endif
969         key=BIO_new(BIO_s_file());
970         if (key == NULL)
971                 {
972                 ERR_print_errors(err);
973                 goto end;
974                 }
975         if (file == NULL && maybe_stdin)
976                 {
977 #ifdef _IONBF
978                 setvbuf(stdin, NULL, _IONBF, 0);
979 #endif
980                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
981                 }
982         else
983                 if (BIO_read_filename(key,file) <= 0)
984                         {
985                         BIO_printf(err, "Error opening %s %s\n",
986                                 key_descrip, file);
987                         ERR_print_errors(err);
988                         goto end;
989                 }
990         if (format == FORMAT_ASN1)
991                 {
992                 pkey=d2i_PUBKEY_bio(key, NULL);
993                 }
994 #ifndef OPENSSL_NO_RSA
995         else if (format == FORMAT_ASN1RSA)
996                 {
997                 RSA *rsa;
998                 rsa = d2i_RSAPublicKey_bio(key, NULL);
999                 if (rsa)
1000                         {
1001                         pkey = EVP_PKEY_new();
1002                         if (pkey)
1003                                 EVP_PKEY_set1_RSA(pkey, rsa);
1004                         RSA_free(rsa);
1005                         }
1006                 else
1007                         pkey = NULL;
1008                 }
1009         else if (format == FORMAT_PEMRSA)
1010                 {
1011                 RSA *rsa;
1012                 rsa = PEM_read_bio_RSAPublicKey(key, NULL, 
1013                         (pem_password_cb *)password_callback, &cb_data);
1014                 if (rsa)
1015                         {
1016                         pkey = EVP_PKEY_new();
1017                         if (pkey)
1018                                 EVP_PKEY_set1_RSA(pkey, rsa);
1019                         RSA_free(rsa);
1020                         }
1021                 else
1022                         pkey = NULL;
1023                 }
1024 #endif
1025         else if (format == FORMAT_PEM)
1026                 {
1027                 pkey=PEM_read_bio_PUBKEY(key,NULL,
1028                         (pem_password_cb *)password_callback, &cb_data);
1029                 }
1030 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
1031         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
1032                 pkey = load_netscape_key(err, key, file, key_descrip, format);
1033 #endif
1034 #if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA)
1035         else if (format == FORMAT_MSBLOB)
1036                 pkey = b2i_PublicKey_bio(key);
1037 #endif
1038         else
1039                 {
1040                 BIO_printf(err,"bad input format specified for key file\n");
1041                 goto end;
1042                 }
1043  end:
1044         if (key != NULL) BIO_free(key);
1045         if (pkey == NULL)
1046                 BIO_printf(err,"unable to load %s\n", key_descrip);
1047         return(pkey);
1048         }
1049
1050 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
1051 static EVP_PKEY *
1052 load_netscape_key(BIO *err, BIO *key, const char *file,
1053                 const char *key_descrip, int format)
1054         {
1055         EVP_PKEY *pkey;
1056         BUF_MEM *buf;
1057         RSA     *rsa;
1058         const unsigned char *p;
1059         int size, i;
1060
1061         buf=BUF_MEM_new();
1062         pkey = EVP_PKEY_new();
1063         size = 0;
1064         if (buf == NULL || pkey == NULL)
1065                 goto error;
1066         for (;;)
1067                 {
1068                 if (!BUF_MEM_grow_clean(buf,size+1024*10))
1069                         goto error;
1070                 i = BIO_read(key, &(buf->data[size]), 1024*10);
1071                 size += i;
1072                 if (i == 0)
1073                         break;
1074                 if (i < 0)
1075                         {
1076                                 BIO_printf(err, "Error reading %s %s",
1077                                         key_descrip, file);
1078                                 goto error;
1079                         }
1080                 }
1081         p=(unsigned char *)buf->data;
1082         rsa = d2i_RSA_NET(NULL,&p,(long)size,NULL,
1083                 (format == FORMAT_IISSGC ? 1 : 0));
1084         if (rsa == NULL)
1085                 goto error;
1086         BUF_MEM_free(buf);
1087         EVP_PKEY_set1_RSA(pkey, rsa);
1088         return pkey;
1089 error:
1090         BUF_MEM_free(buf);
1091         EVP_PKEY_free(pkey);
1092         return NULL;
1093         }
1094 #endif /* ndef OPENSSL_NO_RC4 */
1095
1096 STACK_OF(X509) *load_certs(BIO *err, const char *file, int format,
1097         const char *pass, ENGINE *e, const char *cert_descrip)
1098         {
1099         BIO *certs;
1100         int i;
1101         STACK_OF(X509) *othercerts = NULL;
1102         STACK_OF(X509_INFO) *allcerts = NULL;
1103         X509_INFO *xi;
1104         PW_CB_DATA cb_data;
1105
1106         cb_data.password = pass;
1107         cb_data.prompt_info = file;
1108
1109         if((certs = BIO_new(BIO_s_file())) == NULL)
1110                 {
1111                 ERR_print_errors(err);
1112                 goto end;
1113                 }
1114
1115         if (file == NULL)
1116                 BIO_set_fp(certs,stdin,BIO_NOCLOSE);
1117         else
1118                 {
1119                 if (BIO_read_filename(certs,file) <= 0)
1120                         {
1121                         BIO_printf(err, "Error opening %s %s\n",
1122                                 cert_descrip, file);
1123                         ERR_print_errors(err);
1124                         goto end;
1125                         }
1126                 }
1127
1128         if      (format == FORMAT_PEM)
1129                 {
1130                 othercerts = sk_X509_new_null();
1131                 if(!othercerts)
1132                         {
1133                         sk_X509_free(othercerts);
1134                         othercerts = NULL;
1135                         goto end;
1136                         }
1137                 allcerts = PEM_X509_INFO_read_bio(certs, NULL,
1138                                 (pem_password_cb *)password_callback, &cb_data);
1139                 for(i = 0; i < sk_X509_INFO_num(allcerts); i++)
1140                         {
1141                         xi = sk_X509_INFO_value (allcerts, i);
1142                         if (xi->x509)
1143                                 {
1144                                 sk_X509_push(othercerts, xi->x509);
1145                                 xi->x509 = NULL;
1146                                 }
1147                         }
1148                 goto end;
1149                 }
1150         else    {
1151                 BIO_printf(err,"bad input format specified for %s\n",
1152                         cert_descrip);
1153                 goto end;
1154                 }
1155 end:
1156         if (othercerts == NULL)
1157                 {
1158                 BIO_printf(err,"unable to load certificates\n");
1159                 ERR_print_errors(err);
1160                 }
1161         if (allcerts) sk_X509_INFO_pop_free(allcerts, X509_INFO_free);
1162         if (certs != NULL) BIO_free(certs);
1163         return(othercerts);
1164         }
1165
1166
1167 #define X509V3_EXT_UNKNOWN_MASK         (0xfL << 16)
1168 /* Return error for unknown extensions */
1169 #define X509V3_EXT_DEFAULT              0
1170 /* Print error for unknown extensions */
1171 #define X509V3_EXT_ERROR_UNKNOWN        (1L << 16)
1172 /* ASN1 parse unknown extensions */
1173 #define X509V3_EXT_PARSE_UNKNOWN        (2L << 16)
1174 /* BIO_dump unknown extensions */
1175 #define X509V3_EXT_DUMP_UNKNOWN         (3L << 16)
1176
1177 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1178                          X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1179
1180 int set_cert_ex(unsigned long *flags, const char *arg)
1181 {
1182         static const NAME_EX_TBL cert_tbl[] = {
1183                 { "compatible", X509_FLAG_COMPAT, 0xffffffffl},
1184                 { "ca_default", X509_FLAG_CA, 0xffffffffl},
1185                 { "no_header", X509_FLAG_NO_HEADER, 0},
1186                 { "no_version", X509_FLAG_NO_VERSION, 0},
1187                 { "no_serial", X509_FLAG_NO_SERIAL, 0},
1188                 { "no_signame", X509_FLAG_NO_SIGNAME, 0},
1189                 { "no_validity", X509_FLAG_NO_VALIDITY, 0},
1190                 { "no_subject", X509_FLAG_NO_SUBJECT, 0},
1191                 { "no_issuer", X509_FLAG_NO_ISSUER, 0},
1192                 { "no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1193                 { "no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1194                 { "no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1195                 { "no_aux", X509_FLAG_NO_AUX, 0},
1196                 { "no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1197                 { "ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1198                 { "ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1199                 { "ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1200                 { "ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1201                 { NULL, 0, 0}
1202         };
1203         return set_multi_opts(flags, arg, cert_tbl);
1204 }
1205
1206 int set_name_ex(unsigned long *flags, const char *arg)
1207 {
1208         static const NAME_EX_TBL ex_tbl[] = {
1209                 { "esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1210                 { "esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1211                 { "esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1212                 { "use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1213                 { "utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1214                 { "ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1215                 { "show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1216                 { "dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1217                 { "dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1218                 { "dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1219                 { "compat", XN_FLAG_COMPAT, 0xffffffffL},
1220                 { "sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1221                 { "sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1222                 { "sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1223                 { "sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1224                 { "dn_rev", XN_FLAG_DN_REV, 0},
1225                 { "nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1226                 { "sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1227                 { "lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1228                 { "align", XN_FLAG_FN_ALIGN, 0},
1229                 { "oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1230                 { "space_eq", XN_FLAG_SPC_EQ, 0},
1231                 { "dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1232                 { "RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1233                 { "oneline", XN_FLAG_ONELINE, 0xffffffffL},
1234                 { "multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1235                 { "ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1236                 { NULL, 0, 0}
1237         };
1238         return set_multi_opts(flags, arg, ex_tbl);
1239 }
1240
1241 int set_ext_copy(int *copy_type, const char *arg)
1242 {
1243         if (!strcasecmp(arg, "none"))
1244                 *copy_type = EXT_COPY_NONE;
1245         else if (!strcasecmp(arg, "copy"))
1246                 *copy_type = EXT_COPY_ADD;
1247         else if (!strcasecmp(arg, "copyall"))
1248                 *copy_type = EXT_COPY_ALL;
1249         else
1250                 return 0;
1251         return 1;
1252 }
1253
1254 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1255 {
1256         STACK_OF(X509_EXTENSION) *exts = NULL;
1257         X509_EXTENSION *ext, *tmpext;
1258         ASN1_OBJECT *obj;
1259         int i, idx, ret = 0;
1260         if (!x || !req || (copy_type == EXT_COPY_NONE))
1261                 return 1;
1262         exts = X509_REQ_get_extensions(req);
1263
1264         for(i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1265                 ext = sk_X509_EXTENSION_value(exts, i);
1266                 obj = X509_EXTENSION_get_object(ext);
1267                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1268                 /* Does extension exist? */
1269                 if (idx != -1) {
1270                         /* If normal copy don't override existing extension */
1271                         if (copy_type == EXT_COPY_ADD)
1272                                 continue;
1273                         /* Delete all extensions of same type */
1274                         do {
1275                                 tmpext = X509_get_ext(x, idx);
1276                                 X509_delete_ext(x, idx);
1277                                 X509_EXTENSION_free(tmpext);
1278                                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1279                         } while (idx != -1);
1280                 }
1281                 if (!X509_add_ext(x, ext, -1))
1282                         goto end;
1283         }
1284
1285         ret = 1;
1286
1287         end:
1288
1289         sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1290
1291         return ret;
1292 }
1293                 
1294                 
1295                         
1296
1297 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1298 {
1299         STACK_OF(CONF_VALUE) *vals;
1300         CONF_VALUE *val;
1301         int i, ret = 1;
1302         if(!arg) return 0;
1303         vals = X509V3_parse_list(arg);
1304         for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1305                 val = sk_CONF_VALUE_value(vals, i);
1306                 if (!set_table_opts(flags, val->name, in_tbl))
1307                         ret = 0;
1308         }
1309         sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1310         return ret;
1311 }
1312
1313 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1314 {
1315         char c;
1316         const NAME_EX_TBL *ptbl;
1317         c = arg[0];
1318
1319         if(c == '-') {
1320                 c = 0;
1321                 arg++;
1322         } else if (c == '+') {
1323                 c = 1;
1324                 arg++;
1325         } else c = 1;
1326
1327         for(ptbl = in_tbl; ptbl->name; ptbl++) {
1328                 if(!strcasecmp(arg, ptbl->name)) {
1329                         *flags &= ~ptbl->mask;
1330                         if(c) *flags |= ptbl->flag;
1331                         else *flags &= ~ptbl->flag;
1332                         return 1;
1333                 }
1334         }
1335         return 0;
1336 }
1337
1338 void print_name(BIO *out, const char *title, X509_NAME *nm, unsigned long lflags)
1339 {
1340         char *buf;
1341         char mline = 0;
1342         int indent = 0;
1343
1344         if(title) BIO_puts(out, title);
1345         if((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1346                 mline = 1;
1347                 indent = 4;
1348         }
1349         if(lflags == XN_FLAG_COMPAT) {
1350                 buf = X509_NAME_oneline(nm, 0, 0);
1351                 BIO_puts(out, buf);
1352                 BIO_puts(out, "\n");
1353                 OPENSSL_free(buf);
1354         } else {
1355                 if(mline) BIO_puts(out, "\n");
1356                 X509_NAME_print_ex(out, nm, indent, lflags);
1357                 BIO_puts(out, "\n");
1358         }
1359 }
1360
1361 X509_STORE *setup_verify(BIO *bp, char *CAfile, char *CApath)
1362 {
1363         X509_STORE *store;
1364         X509_LOOKUP *lookup;
1365         if(!(store = X509_STORE_new())) goto end;
1366         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file());
1367         if (lookup == NULL) goto end;
1368         if (CAfile) {
1369                 if(!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) {
1370                         BIO_printf(bp, "Error loading file %s\n", CAfile);
1371                         goto end;
1372                 }
1373         } else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
1374                 
1375         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir());
1376         if (lookup == NULL) goto end;
1377         if (CApath) {
1378                 if(!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) {
1379                         BIO_printf(bp, "Error loading directory %s\n", CApath);
1380                         goto end;
1381                 }
1382         } else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
1383
1384         ERR_clear_error();
1385         return store;
1386         end:
1387         X509_STORE_free(store);
1388         return NULL;
1389 }
1390
1391 #ifndef OPENSSL_NO_ENGINE
1392 /* Try to load an engine in a shareable library */
1393 static ENGINE *try_load_engine(BIO *err, const char *engine, int debug)
1394         {
1395         ENGINE *e = ENGINE_by_id("dynamic");
1396         if (e)
1397                 {
1398                 if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
1399                         || !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0))
1400                         {
1401                         ENGINE_free(e);
1402                         e = NULL;
1403                         }
1404                 }
1405         return e;
1406         }
1407
1408 ENGINE *setup_engine(BIO *err, const char *engine, int debug)
1409         {
1410         ENGINE *e = NULL;
1411
1412         if (engine)
1413                 {
1414                 if(strcmp(engine, "auto") == 0)
1415                         {
1416                         BIO_printf(err,"enabling auto ENGINE support\n");
1417                         ENGINE_register_all_complete();
1418                         return NULL;
1419                         }
1420                 if((e = ENGINE_by_id(engine)) == NULL
1421                         && (e = try_load_engine(err, engine, debug)) == NULL)
1422                         {
1423                         BIO_printf(err,"invalid engine \"%s\"\n", engine);
1424                         ERR_print_errors(err);
1425                         return NULL;
1426                         }
1427                 if (debug)
1428                         {
1429                         ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM,
1430                                 0, err, 0);
1431                         }
1432                 ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
1433                 if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
1434                         {
1435                         BIO_printf(err,"can't use that engine\n");
1436                         ERR_print_errors(err);
1437                         ENGINE_free(e);
1438                         return NULL;
1439                         }
1440
1441                 BIO_printf(err,"engine \"%s\" set.\n", ENGINE_get_id(e));
1442
1443                 /* Free our "structural" reference. */
1444                 ENGINE_free(e);
1445                 }
1446         return e;
1447         }
1448 #endif
1449
1450 int load_config(BIO *err, CONF *cnf)
1451         {
1452         static int load_config_called = 0;
1453         if (load_config_called)
1454                 return 1;
1455         load_config_called = 1;
1456         if (!cnf)
1457                 cnf = config;
1458         if (!cnf)
1459                 return 1;
1460
1461         OPENSSL_load_builtin_modules();
1462
1463         if (CONF_modules_load(cnf, NULL, 0) <= 0)
1464                 {
1465                 BIO_printf(err, "Error configuring OpenSSL\n");
1466                 ERR_print_errors(err);
1467                 return 0;
1468                 }
1469         return 1;
1470         }
1471
1472 char *make_config_name()
1473         {
1474         const char *t=X509_get_default_cert_area();
1475         size_t len;
1476         char *p;
1477
1478         len=strlen(t)+strlen(OPENSSL_CONF)+2;
1479         p=OPENSSL_malloc(len);
1480         BUF_strlcpy(p,t,len);
1481 #ifndef OPENSSL_SYS_VMS
1482         BUF_strlcat(p,"/",len);
1483 #endif
1484         BUF_strlcat(p,OPENSSL_CONF,len);
1485
1486         return p;
1487         }
1488
1489 static unsigned long index_serial_hash(const CSTRING *a)
1490         {
1491         const char *n;
1492
1493         n=a[DB_serial];
1494         while (*n == '0') n++;
1495         return(lh_strhash(n));
1496         }
1497
1498 static int index_serial_cmp(const CSTRING *a, const CSTRING *b)
1499         {
1500         const char *aa,*bb;
1501
1502         for (aa=a[DB_serial]; *aa == '0'; aa++);
1503         for (bb=b[DB_serial]; *bb == '0'; bb++);
1504         return(strcmp(aa,bb));
1505         }
1506
1507 static int index_name_qual(char **a)
1508         { return(a[0][0] == 'V'); }
1509
1510 static unsigned long index_name_hash(const CSTRING *a)
1511         { return(lh_strhash(a[DB_name])); }
1512
1513 int index_name_cmp(const CSTRING *a, const CSTRING *b)
1514         { return(strcmp(a[DB_name], b[DB_name])); }
1515
1516 static IMPLEMENT_LHASH_HASH_FN(index_serial, CSTRING)
1517 static IMPLEMENT_LHASH_COMP_FN(index_serial, CSTRING)
1518 static IMPLEMENT_LHASH_HASH_FN(index_name, CSTRING)
1519 static IMPLEMENT_LHASH_COMP_FN(index_name, CSTRING)
1520
1521 #undef BSIZE
1522 #define BSIZE 256
1523
1524 BIGNUM *load_serial(char *serialfile, int create, ASN1_INTEGER **retai)
1525         {
1526         BIO *in=NULL;
1527         BIGNUM *ret=NULL;
1528         MS_STATIC char buf[1024];
1529         ASN1_INTEGER *ai=NULL;
1530
1531         ai=ASN1_INTEGER_new();
1532         if (ai == NULL) goto err;
1533
1534         if ((in=BIO_new(BIO_s_file())) == NULL)
1535                 {
1536                 ERR_print_errors(bio_err);
1537                 goto err;
1538                 }
1539
1540         if (BIO_read_filename(in,serialfile) <= 0)
1541                 {
1542                 if (!create)
1543                         {
1544                         perror(serialfile);
1545                         goto err;
1546                         }
1547                 else
1548                         {
1549                         ret=BN_new();
1550                         if (ret == NULL || !rand_serial(ret, ai))
1551                                 BIO_printf(bio_err, "Out of memory\n");
1552                         }
1553                 }
1554         else
1555                 {
1556                 if (!a2i_ASN1_INTEGER(in,ai,buf,1024))
1557                         {
1558                         BIO_printf(bio_err,"unable to load number from %s\n",
1559                                 serialfile);
1560                         goto err;
1561                         }
1562                 ret=ASN1_INTEGER_to_BN(ai,NULL);
1563                 if (ret == NULL)
1564                         {
1565                         BIO_printf(bio_err,"error converting number from bin to BIGNUM\n");
1566                         goto err;
1567                         }
1568                 }
1569
1570         if (ret && retai)
1571                 {
1572                 *retai = ai;
1573                 ai = NULL;
1574                 }
1575  err:
1576         if (in != NULL) BIO_free(in);
1577         if (ai != NULL) ASN1_INTEGER_free(ai);
1578         return(ret);
1579         }
1580
1581 int save_serial(char *serialfile, char *suffix, BIGNUM *serial, ASN1_INTEGER **retai)
1582         {
1583         char buf[1][BSIZE];
1584         BIO *out = NULL;
1585         int ret=0;
1586         ASN1_INTEGER *ai=NULL;
1587         int j;
1588
1589         if (suffix == NULL)
1590                 j = strlen(serialfile);
1591         else
1592                 j = strlen(serialfile) + strlen(suffix) + 1;
1593         if (j >= BSIZE)
1594                 {
1595                 BIO_printf(bio_err,"file name too long\n");
1596                 goto err;
1597                 }
1598
1599         if (suffix == NULL)
1600                 BUF_strlcpy(buf[0], serialfile, BSIZE);
1601         else
1602                 {
1603 #ifndef OPENSSL_SYS_VMS
1604                 j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", serialfile, suffix);
1605 #else
1606                 j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", serialfile, suffix);
1607 #endif
1608                 }
1609 #ifdef RL_DEBUG
1610         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1611 #endif
1612         out=BIO_new(BIO_s_file());
1613         if (out == NULL)
1614                 {
1615                 ERR_print_errors(bio_err);
1616                 goto err;
1617                 }
1618         if (BIO_write_filename(out,buf[0]) <= 0)
1619                 {
1620                 perror(serialfile);
1621                 goto err;
1622                 }
1623
1624         if ((ai=BN_to_ASN1_INTEGER(serial,NULL)) == NULL)
1625                 {
1626                 BIO_printf(bio_err,"error converting serial to ASN.1 format\n");
1627                 goto err;
1628                 }
1629         i2a_ASN1_INTEGER(out,ai);
1630         BIO_puts(out,"\n");
1631         ret=1;
1632         if (retai)
1633                 {
1634                 *retai = ai;
1635                 ai = NULL;
1636                 }
1637 err:
1638         if (out != NULL) BIO_free_all(out);
1639         if (ai != NULL) ASN1_INTEGER_free(ai);
1640         return(ret);
1641         }
1642
1643 int rotate_serial(char *serialfile, char *new_suffix, char *old_suffix)
1644         {
1645         char buf[5][BSIZE];
1646         int i,j;
1647
1648         i = strlen(serialfile) + strlen(old_suffix);
1649         j = strlen(serialfile) + strlen(new_suffix);
1650         if (i > j) j = i;
1651         if (j + 1 >= BSIZE)
1652                 {
1653                 BIO_printf(bio_err,"file name too long\n");
1654                 goto err;
1655                 }
1656
1657 #ifndef OPENSSL_SYS_VMS
1658         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1659                 serialfile, new_suffix);
1660 #else
1661         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1662                 serialfile, new_suffix);
1663 #endif
1664 #ifndef OPENSSL_SYS_VMS
1665         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1666                 serialfile, old_suffix);
1667 #else
1668         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
1669                 serialfile, old_suffix);
1670 #endif
1671 #ifdef RL_DEBUG
1672         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1673                 serialfile, buf[1]);
1674 #endif
1675         if (rename(serialfile,buf[1]) < 0 && errno != ENOENT
1676 #ifdef ENOTDIR
1677                         && errno != ENOTDIR
1678 #endif
1679            )            {
1680                         BIO_printf(bio_err,
1681                                 "unable to rename %s to %s\n",
1682                                 serialfile, buf[1]);
1683                         perror("reason");
1684                         goto err;
1685                         }
1686 #ifdef RL_DEBUG
1687         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1688                 buf[0],serialfile);
1689 #endif
1690         if (rename(buf[0],serialfile) < 0)
1691                 {
1692                 BIO_printf(bio_err,
1693                         "unable to rename %s to %s\n",
1694                         buf[0],serialfile);
1695                 perror("reason");
1696                 rename(buf[1],serialfile);
1697                 goto err;
1698                 }
1699         return 1;
1700  err:
1701         return 0;
1702         }
1703
1704 int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1705         {
1706         BIGNUM *btmp;
1707         int ret = 0;
1708         if (b)
1709                 btmp = b;
1710         else
1711                 btmp = BN_new();
1712
1713         if (!btmp)
1714                 return 0;
1715
1716         if (!BN_pseudo_rand(btmp, SERIAL_RAND_BITS, 0, 0))
1717                 goto error;
1718         if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1719                 goto error;
1720
1721         ret = 1;
1722         
1723         error:
1724
1725         if (!b)
1726                 BN_free(btmp);
1727         
1728         return ret;
1729         }
1730
1731 CA_DB *load_index(char *dbfile, DB_ATTR *db_attr)
1732         {
1733         CA_DB *retdb = NULL;
1734         TXT_DB *tmpdb = NULL;
1735         BIO *in = BIO_new(BIO_s_file());
1736         CONF *dbattr_conf = NULL;
1737         char buf[1][BSIZE];
1738         long errorline= -1;
1739
1740         if (in == NULL)
1741                 {
1742                 ERR_print_errors(bio_err);
1743                 goto err;
1744                 }
1745         if (BIO_read_filename(in,dbfile) <= 0)
1746                 {
1747                 perror(dbfile);
1748                 BIO_printf(bio_err,"unable to open '%s'\n",dbfile);
1749                 goto err;
1750                 }
1751         if ((tmpdb = TXT_DB_read(in,DB_NUMBER)) == NULL)
1752                 goto err;
1753
1754 #ifndef OPENSSL_SYS_VMS
1755         BIO_snprintf(buf[0], sizeof buf[0], "%s.attr", dbfile);
1756 #else
1757         BIO_snprintf(buf[0], sizeof buf[0], "%s-attr", dbfile);
1758 #endif
1759         dbattr_conf = NCONF_new(NULL);
1760         if (NCONF_load(dbattr_conf,buf[0],&errorline) <= 0)
1761                 {
1762                 if (errorline > 0)
1763                         {
1764                         BIO_printf(bio_err,
1765                                 "error on line %ld of db attribute file '%s'\n"
1766                                 ,errorline,buf[0]);
1767                         goto err;
1768                         }
1769                 else
1770                         {
1771                         NCONF_free(dbattr_conf);
1772                         dbattr_conf = NULL;
1773                         }
1774                 }
1775
1776         if ((retdb = OPENSSL_malloc(sizeof(CA_DB))) == NULL)
1777                 {
1778                 fprintf(stderr, "Out of memory\n");
1779                 goto err;
1780                 }
1781
1782         retdb->db = tmpdb;
1783         tmpdb = NULL;
1784         if (db_attr)
1785                 retdb->attributes = *db_attr;
1786         else
1787                 {
1788                 retdb->attributes.unique_subject = 1;
1789                 }
1790
1791         if (dbattr_conf)
1792                 {
1793                 char *p = NCONF_get_string(dbattr_conf,NULL,"unique_subject");
1794                 if (p)
1795                         {
1796 #ifdef RL_DEBUG
1797                         BIO_printf(bio_err, "DEBUG[load_index]: unique_subject = \"%s\"\n", p);
1798 #endif
1799                         retdb->attributes.unique_subject = parse_yesno(p,1);
1800                         }
1801                 }
1802
1803  err:
1804         if (dbattr_conf) NCONF_free(dbattr_conf);
1805         if (tmpdb) TXT_DB_free(tmpdb);
1806         if (in) BIO_free_all(in);
1807         return retdb;
1808         }
1809
1810 int index_index(CA_DB *db)
1811         {
1812         if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1813                                 LHASH_HASH_FN(index_serial),
1814                                 LHASH_COMP_FN(index_serial)))
1815                 {
1816                 BIO_printf(bio_err,
1817                   "error creating serial number index:(%ld,%ld,%ld)\n",
1818                                         db->db->error,db->db->arg1,db->db->arg2);
1819                         return 0;
1820                 }
1821
1822         if (db->attributes.unique_subject
1823                 && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1824                         LHASH_HASH_FN(index_name),
1825                         LHASH_COMP_FN(index_name)))
1826                 {
1827                 BIO_printf(bio_err,"error creating name index:(%ld,%ld,%ld)\n",
1828                         db->db->error,db->db->arg1,db->db->arg2);
1829                 return 0;
1830                 }
1831         return 1;
1832         }
1833
1834 int save_index(const char *dbfile, const char *suffix, CA_DB *db)
1835         {
1836         char buf[3][BSIZE];
1837         BIO *out = BIO_new(BIO_s_file());
1838         int j;
1839
1840         if (out == NULL)
1841                 {
1842                 ERR_print_errors(bio_err);
1843                 goto err;
1844                 }
1845
1846         j = strlen(dbfile) + strlen(suffix);
1847         if (j + 6 >= BSIZE)
1848                 {
1849                 BIO_printf(bio_err,"file name too long\n");
1850                 goto err;
1851                 }
1852
1853 #ifndef OPENSSL_SYS_VMS
1854         j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr", dbfile);
1855 #else
1856         j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr", dbfile);
1857 #endif
1858 #ifndef OPENSSL_SYS_VMS
1859         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.attr.%s", dbfile, suffix);
1860 #else
1861         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-attr-%s", dbfile, suffix);
1862 #endif
1863 #ifndef OPENSSL_SYS_VMS
1864         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", dbfile, suffix);
1865 #else
1866         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", dbfile, suffix);
1867 #endif
1868 #ifdef RL_DEBUG
1869         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1870 #endif
1871         if (BIO_write_filename(out,buf[0]) <= 0)
1872                 {
1873                 perror(dbfile);
1874                 BIO_printf(bio_err,"unable to open '%s'\n", dbfile);
1875                 goto err;
1876                 }
1877         j=TXT_DB_write(out,db->db);
1878         if (j <= 0) goto err;
1879                         
1880         BIO_free(out);
1881
1882         out = BIO_new(BIO_s_file());
1883 #ifdef RL_DEBUG
1884         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[1]);
1885 #endif
1886         if (BIO_write_filename(out,buf[1]) <= 0)
1887                 {
1888                 perror(buf[2]);
1889                 BIO_printf(bio_err,"unable to open '%s'\n", buf[2]);
1890                 goto err;
1891                 }
1892         BIO_printf(out,"unique_subject = %s\n",
1893                 db->attributes.unique_subject ? "yes" : "no");
1894         BIO_free(out);
1895
1896         return 1;
1897  err:
1898         return 0;
1899         }
1900
1901 int rotate_index(const char *dbfile, const char *new_suffix, const char *old_suffix)
1902         {
1903         char buf[5][BSIZE];
1904         int i,j;
1905
1906         i = strlen(dbfile) + strlen(old_suffix);
1907         j = strlen(dbfile) + strlen(new_suffix);
1908         if (i > j) j = i;
1909         if (j + 6 >= BSIZE)
1910                 {
1911                 BIO_printf(bio_err,"file name too long\n");
1912                 goto err;
1913                 }
1914
1915 #ifndef OPENSSL_SYS_VMS
1916         j = BIO_snprintf(buf[4], sizeof buf[4], "%s.attr", dbfile);
1917 #else
1918         j = BIO_snprintf(buf[4], sizeof buf[4], "%s-attr", dbfile);
1919 #endif
1920 #ifndef OPENSSL_SYS_VMS
1921         j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr.%s",
1922                 dbfile, new_suffix);
1923 #else
1924         j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr-%s",
1925                 dbfile, new_suffix);
1926 #endif
1927 #ifndef OPENSSL_SYS_VMS
1928         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1929                 dbfile, new_suffix);
1930 #else
1931         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1932                 dbfile, new_suffix);
1933 #endif
1934 #ifndef OPENSSL_SYS_VMS
1935         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1936                 dbfile, old_suffix);
1937 #else
1938         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
1939                 dbfile, old_suffix);
1940 #endif
1941 #ifndef OPENSSL_SYS_VMS
1942         j = BIO_snprintf(buf[3], sizeof buf[3], "%s.attr.%s",
1943                 dbfile, old_suffix);
1944 #else
1945         j = BIO_snprintf(buf[3], sizeof buf[3], "%s-attr-%s",
1946                 dbfile, old_suffix);
1947 #endif
1948 #ifdef RL_DEBUG
1949         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1950                 dbfile, buf[1]);
1951 #endif
1952         if (rename(dbfile,buf[1]) < 0 && errno != ENOENT
1953 #ifdef ENOTDIR
1954                 && errno != ENOTDIR
1955 #endif
1956            )            {
1957                         BIO_printf(bio_err,
1958                                 "unable to rename %s to %s\n",
1959                                 dbfile, buf[1]);
1960                         perror("reason");
1961                         goto err;
1962                         }
1963 #ifdef RL_DEBUG
1964         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1965                 buf[0],dbfile);
1966 #endif
1967         if (rename(buf[0],dbfile) < 0)
1968                 {
1969                 BIO_printf(bio_err,
1970                         "unable to rename %s to %s\n",
1971                         buf[0],dbfile);
1972                 perror("reason");
1973                 rename(buf[1],dbfile);
1974                 goto err;
1975                 }
1976 #ifdef RL_DEBUG
1977         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1978                 buf[4],buf[3]);
1979 #endif
1980         if (rename(buf[4],buf[3]) < 0 && errno != ENOENT
1981 #ifdef ENOTDIR
1982                 && errno != ENOTDIR
1983 #endif
1984            )            {
1985                         BIO_printf(bio_err,
1986                                 "unable to rename %s to %s\n",
1987                                 buf[4], buf[3]);
1988                         perror("reason");
1989                         rename(dbfile,buf[0]);
1990                         rename(buf[1],dbfile);
1991                         goto err;
1992                         }
1993 #ifdef RL_DEBUG
1994         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1995                 buf[2],buf[4]);
1996 #endif
1997         if (rename(buf[2],buf[4]) < 0)
1998                 {
1999                 BIO_printf(bio_err,
2000                         "unable to rename %s to %s\n",
2001                         buf[2],buf[4]);
2002                 perror("reason");
2003                 rename(buf[3],buf[4]);
2004                 rename(dbfile,buf[0]);
2005                 rename(buf[1],dbfile);
2006                 goto err;
2007                 }
2008         return 1;
2009  err:
2010         return 0;
2011         }
2012
2013 void free_index(CA_DB *db)
2014         {
2015         if (db)
2016                 {
2017                 if (db->db) TXT_DB_free(db->db);
2018                 OPENSSL_free(db);
2019                 }
2020         }
2021
2022 int parse_yesno(const char *str, int def)
2023         {
2024         int ret = def;
2025         if (str)
2026                 {
2027                 switch (*str)
2028                         {
2029                 case 'f': /* false */
2030                 case 'F': /* FALSE */
2031                 case 'n': /* no */
2032                 case 'N': /* NO */
2033                 case '0': /* 0 */
2034                         ret = 0;
2035                         break;
2036                 case 't': /* true */
2037                 case 'T': /* TRUE */
2038                 case 'y': /* yes */
2039                 case 'Y': /* YES */
2040                 case '1': /* 1 */
2041                         ret = 1;
2042                         break;
2043                 default:
2044                         ret = def;
2045                         break;
2046                         }
2047                 }
2048         return ret;
2049         }
2050
2051 /*
2052  * subject is expected to be in the format /type0=value0/type1=value1/type2=...
2053  * where characters may be escaped by \
2054  */
2055 X509_NAME *parse_name(char *subject, long chtype, int multirdn)
2056         {
2057         size_t buflen = strlen(subject)+1; /* to copy the types and values into. due to escaping, the copy can only become shorter */
2058         char *buf = OPENSSL_malloc(buflen);
2059         size_t max_ne = buflen / 2 + 1; /* maximum number of name elements */
2060         char **ne_types = OPENSSL_malloc(max_ne * sizeof (char *));
2061         char **ne_values = OPENSSL_malloc(max_ne * sizeof (char *));
2062         int *mval = OPENSSL_malloc (max_ne * sizeof (int));
2063
2064         char *sp = subject, *bp = buf;
2065         int i, ne_num = 0;
2066
2067         X509_NAME *n = NULL;
2068         int nid;
2069
2070         if (!buf || !ne_types || !ne_values)
2071                 {
2072                 BIO_printf(bio_err, "malloc error\n");
2073                 goto error;
2074                 }       
2075
2076         if (*subject != '/')
2077                 {
2078                 BIO_printf(bio_err, "Subject does not start with '/'.\n");
2079                 goto error;
2080                 }
2081         sp++; /* skip leading / */
2082
2083         /* no multivalued RDN by default */
2084         mval[ne_num] = 0;
2085
2086         while (*sp)
2087                 {
2088                 /* collect type */
2089                 ne_types[ne_num] = bp;
2090                 while (*sp)
2091                         {
2092                         if (*sp == '\\') /* is there anything to escape in the type...? */
2093                                 {
2094                                 if (*++sp)
2095                                         *bp++ = *sp++;
2096                                 else    
2097                                         {
2098                                         BIO_printf(bio_err, "escape character at end of string\n");
2099                                         goto error;
2100                                         }
2101                                 }       
2102                         else if (*sp == '=')
2103                                 {
2104                                 sp++;
2105                                 *bp++ = '\0';
2106                                 break;
2107                                 }
2108                         else
2109                                 *bp++ = *sp++;
2110                         }
2111                 if (!*sp)
2112                         {
2113                         BIO_printf(bio_err, "end of string encountered while processing type of subject name element #%d\n", ne_num);
2114                         goto error;
2115                         }
2116                 ne_values[ne_num] = bp;
2117                 while (*sp)
2118                         {
2119                         if (*sp == '\\')
2120                                 {
2121                                 if (*++sp)
2122                                         *bp++ = *sp++;
2123                                 else
2124                                         {
2125                                         BIO_printf(bio_err, "escape character at end of string\n");
2126                                         goto error;
2127                                         }
2128                                 }
2129                         else if (*sp == '/')
2130                                 {
2131                                 sp++;
2132                                 /* no multivalued RDN by default */
2133                                 mval[ne_num+1] = 0;
2134                                 break;
2135                                 }
2136                         else if (*sp == '+' && multirdn)
2137                                 {
2138                                 /* a not escaped + signals a mutlivalued RDN */
2139                                 sp++;
2140                                 mval[ne_num+1] = -1;
2141                                 break;
2142                                 }
2143                         else
2144                                 *bp++ = *sp++;
2145                         }
2146                 *bp++ = '\0';
2147                 ne_num++;
2148                 }       
2149
2150         if (!(n = X509_NAME_new()))
2151                 goto error;
2152
2153         for (i = 0; i < ne_num; i++)
2154                 {
2155                 if ((nid=OBJ_txt2nid(ne_types[i])) == NID_undef)
2156                         {
2157                         BIO_printf(bio_err, "Subject Attribute %s has no known NID, skipped\n", ne_types[i]);
2158                         continue;
2159                         }
2160
2161                 if (!*ne_values[i])
2162                         {
2163                         BIO_printf(bio_err, "No value provided for Subject Attribute %s, skipped\n", ne_types[i]);
2164                         continue;
2165                         }
2166
2167                 if (!X509_NAME_add_entry_by_NID(n, nid, chtype, (unsigned char*)ne_values[i], -1,-1,mval[i]))
2168                         goto error;
2169                 }
2170
2171         OPENSSL_free(ne_values);
2172         OPENSSL_free(ne_types);
2173         OPENSSL_free(buf);
2174         return n;
2175
2176 error:
2177         X509_NAME_free(n);
2178         if (ne_values)
2179                 OPENSSL_free(ne_values);
2180         if (ne_types)
2181                 OPENSSL_free(ne_types);
2182         if (buf)
2183                 OPENSSL_free(buf);
2184         return NULL;
2185 }
2186
2187 int args_verify(char ***pargs, int *pargc,
2188                         int *badarg, BIO *err, X509_VERIFY_PARAM **pm)
2189         {
2190         ASN1_OBJECT *otmp = NULL;
2191         unsigned long flags = 0;
2192         int i;
2193         int purpose = 0;
2194         char **oldargs = *pargs;
2195         char *arg = **pargs, *argn = (*pargs)[1];
2196         if (!strcmp(arg, "-policy"))
2197                 {
2198                 if (!argn)
2199                         *badarg = 1;
2200                 else
2201                         {
2202                         otmp = OBJ_txt2obj(argn, 0);
2203                         if (!otmp)
2204                                 {
2205                                 BIO_printf(err, "Invalid Policy \"%s\"\n",
2206                                                                         argn);
2207                                 *badarg = 1;
2208                                 }
2209                         }
2210                 (*pargs)++;
2211                 }
2212         else if (strcmp(arg,"-purpose") == 0)
2213                 {
2214                 X509_PURPOSE *xptmp;
2215                 if (!argn)
2216                         *badarg = 1;
2217                 else
2218                         {
2219                         i = X509_PURPOSE_get_by_sname(argn);
2220                         if(i < 0)
2221                                 {
2222                                 BIO_printf(err, "unrecognized purpose\n");
2223                                 *badarg = 1;
2224                                 }
2225                         else
2226                                 {
2227                                 xptmp = X509_PURPOSE_get0(i);
2228                                 purpose = X509_PURPOSE_get_id(xptmp);
2229                                 }
2230                         }
2231                 (*pargs)++;
2232                 }
2233         else if (!strcmp(arg, "-ignore_critical"))
2234                 flags |= X509_V_FLAG_IGNORE_CRITICAL;
2235         else if (!strcmp(arg, "-issuer_checks"))
2236                 flags |= X509_V_FLAG_CB_ISSUER_CHECK;
2237         else if (!strcmp(arg, "-crl_check"))
2238                 flags |=  X509_V_FLAG_CRL_CHECK;
2239         else if (!strcmp(arg, "-crl_check_all"))
2240                 flags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
2241         else if (!strcmp(arg, "-policy_check"))
2242                 flags |= X509_V_FLAG_POLICY_CHECK;
2243         else if (!strcmp(arg, "-explicit_policy"))
2244                 flags |= X509_V_FLAG_EXPLICIT_POLICY;
2245         else if (!strcmp(arg, "-inhibit_any"))
2246                 flags |= X509_V_FLAG_INHIBIT_ANY;
2247         else if (!strcmp(arg, "-inhibit_map"))
2248                 flags |= X509_V_FLAG_INHIBIT_MAP;
2249         else if (!strcmp(arg, "-x509_strict"))
2250                 flags |= X509_V_FLAG_X509_STRICT;
2251         else if (!strcmp(arg, "-extended_crl"))
2252                 flags |= X509_V_FLAG_EXTENDED_CRL_SUPPORT;
2253         else if (!strcmp(arg, "-use_deltas"))
2254                 flags |= X509_V_FLAG_USE_DELTAS;
2255         else if (!strcmp(arg, "-policy_print"))
2256                 flags |= X509_V_FLAG_NOTIFY_POLICY;
2257         else
2258                 return 0;
2259
2260         if (*badarg)
2261                 {
2262                 if (*pm)
2263                         X509_VERIFY_PARAM_free(*pm);
2264                 *pm = NULL;
2265                 goto end;
2266                 }
2267
2268         if (!*pm && !(*pm = X509_VERIFY_PARAM_new()))
2269                 {
2270                 *badarg = 1;
2271                 goto end;
2272                 }
2273
2274         if (otmp)
2275                 X509_VERIFY_PARAM_add0_policy(*pm, otmp);
2276         if (flags)
2277                 X509_VERIFY_PARAM_set_flags(*pm, flags);
2278
2279         if (purpose)
2280                 X509_VERIFY_PARAM_set_purpose(*pm, purpose);
2281
2282         end:
2283
2284         (*pargs)++;
2285
2286         if (pargc)
2287                 *pargc -= *pargs - oldargs;
2288
2289         return 1;
2290
2291         }
2292
2293 /* Read whole contents of a BIO into an allocated memory buffer and
2294  * return it.
2295  */
2296
2297 int bio_to_mem(unsigned char **out, int maxlen, BIO *in)
2298         {
2299         BIO *mem;
2300         int len, ret;
2301         unsigned char tbuf[1024];
2302         mem = BIO_new(BIO_s_mem());
2303         if (!mem)
2304                 return -1;
2305         for(;;)
2306                 {
2307                 if ((maxlen != -1) && maxlen < 1024)
2308                         len = maxlen;
2309                 else
2310                         len = 1024;
2311                 len = BIO_read(in, tbuf, len);
2312                 if (len <= 0)
2313                         break;
2314                 if (BIO_write(mem, tbuf, len) != len)
2315                         {
2316                         BIO_free(mem);
2317                         return -1;
2318                         }
2319                 maxlen -= len;
2320
2321                 if (maxlen == 0)
2322                         break;
2323                 }
2324         ret = BIO_get_mem_data(mem, (char **)out);
2325         BIO_set_flags(mem, BIO_FLAGS_MEM_RDONLY);
2326         BIO_free(mem);
2327         return ret;
2328         }
2329
2330 int pkey_ctrl_string(EVP_PKEY_CTX *ctx, char *value)
2331         {
2332         int rv;
2333         char *stmp, *vtmp = NULL;
2334         stmp = BUF_strdup(value);
2335         if (!stmp)
2336                 return -1;
2337         vtmp = strchr(stmp, ':');
2338         if (vtmp)
2339                 {
2340                 *vtmp = 0;
2341                 vtmp++;
2342                 }
2343         rv = EVP_PKEY_CTX_ctrl_str(ctx, stmp, vtmp);
2344         OPENSSL_free(stmp);
2345         return rv;
2346         }
2347
2348 static void nodes_print(BIO *out, const char *name,
2349         STACK_OF(X509_POLICY_NODE) *nodes)
2350         {
2351         X509_POLICY_NODE *node;
2352         int i;
2353         BIO_printf(out, "%s Policies:", name);
2354         if (nodes)
2355                 {
2356                 BIO_puts(out, "\n");
2357                 for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++)
2358                         {
2359                         node = sk_X509_POLICY_NODE_value(nodes, i);
2360                         X509_POLICY_NODE_print(out, node, 2);
2361                         }
2362                 }
2363         else
2364                 BIO_puts(out, " <empty>\n");
2365         }
2366
2367 void policies_print(BIO *out, X509_STORE_CTX *ctx)
2368         {
2369         X509_POLICY_TREE *tree;
2370         int explicit_policy;
2371         int free_out = 0;
2372         if (out == NULL)
2373                 {
2374                 out = BIO_new_fp(stderr, BIO_NOCLOSE);
2375                 free_out = 1;
2376                 }
2377         tree = X509_STORE_CTX_get0_policy_tree(ctx);
2378         explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
2379
2380         BIO_printf(out, "Require explicit Policy: %s\n",
2381                                 explicit_policy ? "True" : "False");
2382
2383         nodes_print(out, "Authority", X509_policy_tree_get0_policies(tree));
2384         nodes_print(out, "User", X509_policy_tree_get0_user_policies(tree));
2385         if (free_out)
2386                 BIO_free(out);
2387         }
2388
2389 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
2390
2391 static JPAKE_CTX *jpake_init(const char *us, const char *them,
2392                                                          const char *secret)
2393         {
2394         BIGNUM *p = NULL;
2395         BIGNUM *g = NULL;
2396         BIGNUM *q = NULL;
2397         BIGNUM *bnsecret = BN_new();
2398         JPAKE_CTX *ctx;
2399
2400         /* Use a safe prime for p (that we found earlier) */
2401         BN_hex2bn(&p, "F9E5B365665EA7A05A9C534502780FEE6F1AB5BD4F49947FD036DBD7E905269AF46EF28B0FC07487EE4F5D20FB3C0AF8E700F3A2FA3414970CBED44FEDFF80CE78D800F184BB82435D137AADA2C6C16523247930A63B85661D1FC817A51ACD96168E95898A1F83A79FFB529368AA7833ABD1B0C3AEDDB14D2E1A2F71D99F763F");
2402         g = BN_new();
2403         BN_set_word(g, 2);
2404         q = BN_new();
2405         BN_rshift1(q, p);
2406
2407         BN_bin2bn((const unsigned char *)secret, strlen(secret), bnsecret);
2408
2409         ctx = JPAKE_CTX_new(us, them, p, g, q, bnsecret);
2410         BN_free(bnsecret);
2411         BN_free(q);
2412         BN_free(g);
2413         BN_free(p);
2414
2415         return ctx;
2416         }
2417
2418 static void jpake_send_part(BIO *conn, const JPAKE_STEP_PART *p)
2419         {
2420         BN_print(conn, p->gx);
2421         BIO_puts(conn, "\n");
2422         BN_print(conn, p->zkpx.gr);
2423         BIO_puts(conn, "\n");
2424         BN_print(conn, p->zkpx.b);
2425         BIO_puts(conn, "\n");
2426         }
2427
2428 static void jpake_send_step1(BIO *bconn, JPAKE_CTX *ctx)
2429         {
2430         JPAKE_STEP1 s1;
2431
2432         JPAKE_STEP1_init(&s1);
2433         JPAKE_STEP1_generate(&s1, ctx);
2434         jpake_send_part(bconn, &s1.p1);
2435         jpake_send_part(bconn, &s1.p2);
2436         (void)BIO_flush(bconn);
2437         JPAKE_STEP1_release(&s1);
2438         }
2439
2440 static void jpake_send_step2(BIO *bconn, JPAKE_CTX *ctx)
2441         {
2442         JPAKE_STEP2 s2;
2443
2444         JPAKE_STEP2_init(&s2);
2445         JPAKE_STEP2_generate(&s2, ctx);
2446         jpake_send_part(bconn, &s2);
2447         (void)BIO_flush(bconn);
2448         JPAKE_STEP2_release(&s2);
2449         }
2450
2451 static void jpake_send_step3a(BIO *bconn, JPAKE_CTX *ctx)
2452         {
2453         JPAKE_STEP3A s3a;
2454
2455         JPAKE_STEP3A_init(&s3a);
2456         JPAKE_STEP3A_generate(&s3a, ctx);
2457         BIO_write(bconn, s3a.hhk, sizeof s3a.hhk);
2458         (void)BIO_flush(bconn);
2459         JPAKE_STEP3A_release(&s3a);
2460         }
2461
2462 static void jpake_send_step3b(BIO *bconn, JPAKE_CTX *ctx)
2463         {
2464         JPAKE_STEP3B s3b;
2465
2466         JPAKE_STEP3B_init(&s3b);
2467         JPAKE_STEP3B_generate(&s3b, ctx);
2468         BIO_write(bconn, s3b.hk, sizeof s3b.hk);
2469         (void)BIO_flush(bconn);
2470         JPAKE_STEP3B_release(&s3b);
2471         }
2472
2473 static void readbn(BIGNUM **bn, BIO *bconn)
2474         {
2475         char buf[10240];
2476         int l;
2477
2478         l = BIO_gets(bconn, buf, sizeof buf);
2479         assert(l > 0);
2480         assert(buf[l-1] == '\n');
2481         buf[l-1] = '\0';
2482         BN_hex2bn(bn, buf);
2483         }
2484
2485 static void jpake_receive_part(JPAKE_STEP_PART *p, BIO *bconn)
2486         {
2487         readbn(&p->gx, bconn);
2488         readbn(&p->zkpx.gr, bconn);
2489         readbn(&p->zkpx.b, bconn);
2490         }
2491
2492 static void jpake_receive_step1(JPAKE_CTX *ctx, BIO *bconn)
2493         {
2494         JPAKE_STEP1 s1;
2495
2496         JPAKE_STEP1_init(&s1);
2497         jpake_receive_part(&s1.p1, bconn);
2498         jpake_receive_part(&s1.p2, bconn);
2499         if(!JPAKE_STEP1_process(ctx, &s1))
2500                 {
2501                 ERR_print_errors(bio_err);
2502                 exit(1);
2503                 }
2504         JPAKE_STEP1_release(&s1);
2505         }
2506
2507 static void jpake_receive_step2(JPAKE_CTX *ctx, BIO *bconn)
2508         {
2509         JPAKE_STEP2 s2;
2510
2511         JPAKE_STEP2_init(&s2);
2512         jpake_receive_part(&s2, bconn);
2513         if(!JPAKE_STEP2_process(ctx, &s2))
2514                 {
2515                 ERR_print_errors(bio_err);
2516                 exit(1);
2517                 }
2518         JPAKE_STEP2_release(&s2);
2519         }
2520
2521 static void jpake_receive_step3a(JPAKE_CTX *ctx, BIO *bconn)
2522         {
2523         JPAKE_STEP3A s3a;
2524         int l;
2525
2526         JPAKE_STEP3A_init(&s3a);
2527         l = BIO_read(bconn, s3a.hhk, sizeof s3a.hhk);
2528         assert(l == sizeof s3a.hhk);
2529         if(!JPAKE_STEP3A_process(ctx, &s3a))
2530                 {
2531                 ERR_print_errors(bio_err);
2532                 exit(1);
2533                 }
2534         JPAKE_STEP3A_release(&s3a);
2535         }
2536
2537 static void jpake_receive_step3b(JPAKE_CTX *ctx, BIO *bconn)
2538         {
2539         JPAKE_STEP3B s3b;
2540         int l;
2541
2542         JPAKE_STEP3B_init(&s3b);
2543         l = BIO_read(bconn, s3b.hk, sizeof s3b.hk);
2544         assert(l == sizeof s3b.hk);
2545         if(!JPAKE_STEP3B_process(ctx, &s3b))
2546                 {
2547                 ERR_print_errors(bio_err);
2548                 exit(1);
2549                 }
2550         JPAKE_STEP3B_release(&s3b);
2551         }
2552
2553 void jpake_client_auth(BIO *out, BIO *conn, const char *secret)
2554         {
2555         JPAKE_CTX *ctx;
2556         BIO *bconn;
2557
2558         BIO_puts(out, "Authenticating with JPAKE\n");
2559
2560         ctx = jpake_init("client", "server", secret);
2561
2562         bconn = BIO_new(BIO_f_buffer());
2563         BIO_push(bconn, conn);
2564
2565         jpake_send_step1(bconn, ctx);
2566         jpake_receive_step1(ctx, bconn);
2567         jpake_send_step2(bconn, ctx);
2568         jpake_receive_step2(ctx, bconn);
2569         jpake_send_step3a(bconn, ctx);
2570         jpake_receive_step3b(ctx, bconn);
2571
2572         BIO_puts(out, "JPAKE authentication succeeded, setting PSK\n");
2573
2574         psk_key = BN_bn2hex(JPAKE_get_shared_key(ctx));
2575
2576         BIO_pop(bconn);
2577         BIO_free(bconn);
2578
2579         JPAKE_CTX_free(ctx);
2580         }
2581
2582 void jpake_server_auth(BIO *out, BIO *conn, const char *secret)
2583         {
2584         JPAKE_CTX *ctx;
2585         BIO *bconn;
2586
2587         BIO_puts(out, "Authenticating with JPAKE\n");
2588
2589         ctx = jpake_init("server", "client", secret);
2590
2591         bconn = BIO_new(BIO_f_buffer());
2592         BIO_push(bconn, conn);
2593
2594         jpake_receive_step1(ctx, bconn);
2595         jpake_send_step1(bconn, ctx);
2596         jpake_receive_step2(ctx, bconn);
2597         jpake_send_step2(bconn, ctx);
2598         jpake_receive_step3a(ctx, bconn);
2599         jpake_send_step3b(bconn, ctx);
2600
2601         BIO_puts(out, "JPAKE authentication succeeded, setting PSK\n");
2602
2603         psk_key = BN_bn2hex(JPAKE_get_shared_key(ctx));
2604
2605         BIO_pop(bconn);
2606         BIO_free(bconn);
2607
2608         JPAKE_CTX_free(ctx);
2609         }
2610
2611 #endif
2612
2613 /*
2614  * Platform-specific sections
2615  */
2616 #if defined(_WIN32)
2617 # ifdef fileno
2618 #  undef fileno
2619 #  define fileno(a) (int)_fileno(a)
2620 # endif
2621
2622 # include <windows.h>
2623 # include <tchar.h>
2624
2625 static int WIN32_rename(const char *from, const char *to)
2626         {
2627         TCHAR  *tfrom=NULL,*tto;
2628         DWORD   err;
2629         int     ret=0;
2630
2631         if (sizeof(TCHAR) == 1)
2632                 {
2633                 tfrom = (TCHAR *)from;
2634                 tto   = (TCHAR *)to;
2635                 }
2636         else    /* UNICODE path */
2637                 {
2638                 size_t i,flen=strlen(from)+1,tlen=strlen(to)+1;
2639                 tfrom = (TCHAR *)malloc(sizeof(TCHAR)*(flen+tlen));
2640                 if (tfrom==NULL) goto err;
2641                 tto=tfrom+flen;
2642 #if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2643                 if (!MultiByteToWideChar(CP_ACP,0,from,flen,(WCHAR *)tfrom,flen))
2644 #endif
2645                         for (i=0;i<flen;i++)    tfrom[i]=(TCHAR)from[i];
2646 #if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2647                 if (!MultiByteToWideChar(CP_ACP,0,to,  tlen,(WCHAR *)tto,  tlen))
2648 #endif
2649                         for (i=0;i<tlen;i++)    tto[i]  =(TCHAR)to[i];
2650                 }
2651
2652         if (MoveFile(tfrom,tto))        goto ok;
2653         err=GetLastError();
2654         if (err==ERROR_ALREADY_EXISTS || err==ERROR_FILE_EXISTS)
2655                 {
2656                 if (DeleteFile(tto) && MoveFile(tfrom,tto))
2657                         goto ok;
2658                 err=GetLastError();
2659                 }
2660         if (err==ERROR_FILE_NOT_FOUND || err==ERROR_PATH_NOT_FOUND)
2661                 errno = ENOENT;
2662         else if (err==ERROR_ACCESS_DENIED)
2663                 errno = EACCES;
2664         else
2665                 errno = EINVAL; /* we could map more codes... */
2666 err:
2667         ret=-1;
2668 ok:
2669         if (tfrom!=NULL && tfrom!=(TCHAR *)from)        free(tfrom);
2670         return ret;
2671         }
2672 #endif
2673
2674 /* app_tminterval section */
2675 #if defined(_WIN32)
2676 double app_tminterval(int stop,int usertime)
2677         {
2678         FILETIME                now;
2679         double                  ret=0;
2680         static ULARGE_INTEGER   tmstart;
2681         static int              warning=1;
2682 #ifdef _WIN32_WINNT
2683         static HANDLE           proc=NULL;
2684
2685         if (proc==NULL)
2686                 {
2687                 if (GetVersion() < 0x80000000)
2688                         proc = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,
2689                                                 GetCurrentProcessId());
2690                 if (proc==NULL) proc = (HANDLE)-1;
2691                 }
2692
2693         if (usertime && proc!=(HANDLE)-1)
2694                 {
2695                 FILETIME junk;
2696                 GetProcessTimes(proc,&junk,&junk,&junk,&now);
2697                 }
2698         else
2699 #endif
2700                 {
2701                 SYSTEMTIME systime;
2702
2703                 if (usertime && warning)
2704                         {
2705                         BIO_printf(bio_err,"To get meaningful results, run "
2706                                            "this program on idle system.\n");
2707                         warning=0;
2708                         }
2709                 GetSystemTime(&systime);
2710                 SystemTimeToFileTime(&systime,&now);
2711                 }
2712
2713         if (stop==TM_START)
2714                 {
2715                 tmstart.u.LowPart  = now.dwLowDateTime;
2716                 tmstart.u.HighPart = now.dwHighDateTime;
2717                 }
2718         else    {
2719                 ULARGE_INTEGER tmstop;
2720
2721                 tmstop.u.LowPart   = now.dwLowDateTime;
2722                 tmstop.u.HighPart  = now.dwHighDateTime;
2723
2724                 ret = (__int64)(tmstop.QuadPart - tmstart.QuadPart)*1e-7;
2725                 }
2726
2727         return (ret);
2728         }
2729
2730 #elif defined(OPENSSL_SYS_NETWARE)
2731 #include <time.h>
2732
2733 double app_tminterval(int stop,int usertime)
2734         {
2735         double          ret=0;
2736         static clock_t  tmstart;
2737         static int      warning=1;
2738
2739         if (usertime && warning)
2740                 {
2741                 BIO_printf(bio_err,"To get meaningful results, run "
2742                                    "this program on idle system.\n");
2743                 warning=0;
2744                 }
2745
2746         if (stop==TM_START)     tmstart = clock();
2747         else                    ret     = (clock()-tmstart)/(double)CLOCKS_PER_SEC;
2748
2749         return (ret);
2750         }
2751
2752 #elif defined(OPENSSL_SYSTEM_VXWORKS)
2753 #include <time.h>
2754
2755 double app_tminterval(int stop,int usertime)
2756         {
2757         double ret=0;
2758 #ifdef CLOCK_REALTIME
2759         static struct timespec  tmstart;
2760         struct timespec         now;
2761 #else
2762         static unsigned long    tmstart;
2763         unsigned long           now;
2764 #endif
2765         static int warning=1;
2766
2767         if (usertime && warning)
2768                 {
2769                 BIO_printf(bio_err,"To get meaningful results, run "
2770                                    "this program on idle system.\n");
2771                 warning=0;
2772                 }
2773
2774 #ifdef CLOCK_REALTIME
2775         clock_gettime(CLOCK_REALTIME,&now);
2776         if (stop==TM_START)     tmstart = now;
2777         else    ret = ( (now.tv_sec+now.tv_nsec*1e-9)
2778                         - (tmstart.tv_sec+tmstart.tv_nsec*1e-9) );
2779 #else
2780         now = tickGet();
2781         if (stop==TM_START)     tmstart = now;
2782         else                    ret = (now - tmstart)/(double)sysClkRateGet();
2783 #endif
2784         return (ret);
2785         }
2786
2787 #elif defined(OPENSSL_SYSTEM_VMS)
2788 #include <time.h>
2789 #include <times.h>
2790
2791 double app_tminterval(int stop,int usertime)
2792         {
2793         static clock_t  tmstart;
2794         double          ret = 0;
2795         clock_t         now;
2796 #ifdef __TMS
2797         struct tms      rus;
2798
2799         now = times(&rus);
2800         if (usertime)   now = rus.tms_utime;
2801 #else
2802         if (usertime)
2803                 now = clock(); /* sum of user and kernel times */
2804         else    {
2805                 struct timeval tv;
2806                 gettimeofday(&tv,NULL);
2807                 now = (clock_t)(
2808                         (unsigned long long)tv.tv_sec*CLK_TCK +
2809                         (unsigned long long)tv.tv_usec*(1000000/CLK_TCK)
2810                         );
2811                 }
2812 #endif
2813         if (stop==TM_START)     tmstart = now;
2814         else                    ret = (now - tmstart)/(double)(CLK_TCK);
2815
2816         return (ret);
2817         }
2818
2819 #elif defined(_SC_CLK_TCK)      /* by means of unistd.h */
2820 #include <sys/times.h>
2821
2822 double app_tminterval(int stop,int usertime)
2823         {
2824         double          ret = 0;
2825         struct tms      rus;
2826         clock_t         now = times(&rus);
2827         static clock_t  tmstart;
2828
2829         if (usertime)           now = rus.tms_utime;
2830
2831         if (stop==TM_START)     tmstart = now;
2832         else
2833                 {
2834                 long int tck = sysconf(_SC_CLK_TCK);
2835                 ret = (now - tmstart)/(double)tck;
2836                 }
2837
2838         return (ret);
2839         }
2840
2841 #else
2842 #include <sys/time.h>
2843 #include <sys/resource.h>
2844
2845 double app_tminterval(int stop,int usertime)
2846         {
2847         double          ret = 0;
2848         struct rusage   rus;
2849         struct timeval  now;
2850         static struct timeval tmstart;
2851
2852         if (usertime)           getrusage(RUSAGE_SELF,&rus), now = rus.ru_utime;
2853         else                    gettimeofday(&now,NULL);
2854
2855         if (stop==TM_START)     tmstart = now;
2856         else                    ret = ( (now.tv_sec+now.tv_usec*1e-6)
2857                                         - (tmstart.tv_sec+tmstart.tv_usec*1e-6) );
2858
2859         return ret;
2860         }
2861 #endif
2862
2863 /* app_isdir section */
2864 #ifdef _WIN32
2865 int app_isdir(const char *name)
2866         {
2867         HANDLE          hList;
2868         WIN32_FIND_DATA FileData;
2869 #if defined(UNICODE) || defined(_UNICODE)
2870         size_t i, len_0 = strlen(name)+1;
2871
2872         if (len_0 > sizeof(FileData.cFileName)/sizeof(FileData.cFileName[0]))
2873                 return -1;
2874
2875 #if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2876         if (!MultiByteToWideChar(CP_ACP,0,name,len_0,FileData.cFileName,len_0))
2877 #endif
2878                 for (i=0;i<len_0;i++)
2879                         FileData.cFileName[i] = (WCHAR)name[i];
2880
2881         hList = FindFirstFile(FileData.cFileName,&FileData);
2882 #else
2883         hList = FindFirstFile(name,&FileData);
2884 #endif
2885         if (hList == INVALID_HANDLE_VALUE)      return -1;
2886         FindClose(hList);
2887         return ((FileData.dwFileAttributes&FILE_ATTRIBUTE_DIRECTORY)!=0);
2888         }
2889 #else
2890 #include <sys/stat.h>
2891 #ifndef S_ISDIR
2892 # if defined(_S_IFMT) && defined(_S_IFDIR)
2893 #  define S_ISDIR(a)   (((a) & _S_IFMT) == _S_IFDIR)
2894 # else 
2895 #  define S_ISDIR(a)   (((a) & S_IFMT) == S_IFDIR)
2896 # endif 
2897 #endif 
2898
2899 int app_isdir(const char *name)
2900         {
2901 #if defined(S_ISDIR)
2902         struct stat st;
2903
2904         if (stat(name,&st)==0)  return S_ISDIR(st.st_mode);
2905         else                    return -1;
2906 #else
2907         return -1;
2908 #endif
2909         }
2910 #endif
2911
2912 /* raw_read|write section */
2913 #if defined(_WIN32) && defined(STD_INPUT_HANDLE)
2914 int raw_read_stdin(void *buf,int siz)
2915         {
2916         DWORD n;
2917         if (ReadFile(GetStdHandle(STD_INPUT_HANDLE),buf,siz,&n,NULL))
2918                 return (n);
2919         else    return (-1);
2920         }
2921 #else
2922 int raw_read_stdin(void *buf,int siz)
2923         {       return read(fileno(stdin),buf,siz);     }
2924 #endif
2925
2926 #if defined(_WIN32) && defined(STD_OUTPUT_HANDLE)
2927 int raw_write_stdout(const void *buf,int siz)
2928         {
2929         DWORD n;
2930         if (WriteFile(GetStdHandle(STD_OUTPUT_HANDLE),buf,siz,&n,NULL))
2931                 return (n);
2932         else    return (-1);
2933         }
2934 #else
2935 int raw_write_stdout(const void *buf,int siz)
2936         {       return write(fileno(stdout),buf,siz);   }
2937 #endif