Security fixes brought forward from 0.9.7.
[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 #include <stdio.h>
113 #include <stdlib.h>
114 #include <string.h>
115 #include <sys/types.h>
116 #include <sys/stat.h>
117 #include <ctype.h>
118 #include <openssl/err.h>
119 #include <openssl/x509.h>
120 #include <openssl/x509v3.h>
121 #include <openssl/pem.h>
122 #include <openssl/pkcs12.h>
123 #include <openssl/ui.h>
124 #include <openssl/safestack.h>
125 #include <openssl/engine.h>
126
127 #ifdef OPENSSL_SYS_WINDOWS
128 #define strcasecmp _stricmp
129 #else
130 #  ifdef NO_STRINGS_H
131     int strcasecmp();
132 #  else
133 #    include <strings.h>
134 #  endif /* NO_STRINGS_H */
135 #endif
136
137 #define NON_MAIN
138 #include "apps.h"
139 #undef NON_MAIN
140
141 #ifdef OPENSSL_SYS_WINDOWS
142 #  include "bss_file.c"
143 #endif
144
145 typedef struct {
146         char *name;
147         unsigned long flag;
148         unsigned long mask;
149 } NAME_EX_TBL;
150
151 static UI_METHOD *ui_method = NULL;
152
153 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
154 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
155
156 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
157 /* Looks like this stuff is worth moving into separate function */
158 static EVP_PKEY *
159 load_netscape_key(BIO *err, BIO *key, const char *file,
160                 const char *key_descrip, int format);
161 #endif
162
163 int app_init(long mesgwin);
164 #ifdef undef /* never finished - probably never will be :-) */
165 int args_from_file(char *file, int *argc, char **argv[])
166         {
167         FILE *fp;
168         int num,i;
169         unsigned int len;
170         static char *buf=NULL;
171         static char **arg=NULL;
172         char *p;
173         struct stat stbuf;
174
175         if (stat(file,&stbuf) < 0) return(0);
176
177         fp=fopen(file,"r");
178         if (fp == NULL)
179                 return(0);
180
181         *argc=0;
182         *argv=NULL;
183
184         len=(unsigned int)stbuf.st_size;
185         if (buf != NULL) OPENSSL_free(buf);
186         buf=(char *)OPENSSL_malloc(len+1);
187         if (buf == NULL) return(0);
188
189         len=fread(buf,1,len,fp);
190         if (len <= 1) return(0);
191         buf[len]='\0';
192
193         i=0;
194         for (p=buf; *p; p++)
195                 if (*p == '\n') i++;
196         if (arg != NULL) OPENSSL_free(arg);
197         arg=(char **)OPENSSL_malloc(sizeof(char *)*(i*2));
198
199         *argv=arg;
200         num=0;
201         p=buf;
202         for (;;)
203                 {
204                 if (!*p) break;
205                 if (*p == '#') /* comment line */
206                         {
207                         while (*p && (*p != '\n')) p++;
208                         continue;
209                         }
210                 /* else we have a line */
211                 *(arg++)=p;
212                 num++;
213                 while (*p && ((*p != ' ') && (*p != '\t') && (*p != '\n')))
214                         p++;
215                 if (!*p) break;
216                 if (*p == '\n')
217                         {
218                         *(p++)='\0';
219                         continue;
220                         }
221                 /* else it is a tab or space */
222                 p++;
223                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
224                         p++;
225                 if (!*p) break;
226                 if (*p == '\n')
227                         {
228                         p++;
229                         continue;
230                         }
231                 *(arg++)=p++;
232                 num++;
233                 while (*p && (*p != '\n')) p++;
234                 if (!*p) break;
235                 /* else *p == '\n' */
236                 *(p++)='\0';
237                 }
238         *argc=num;
239         return(1);
240         }
241 #endif
242
243 int str2fmt(char *s)
244         {
245         if      ((*s == 'D') || (*s == 'd'))
246                 return(FORMAT_ASN1);
247         else if ((*s == 'T') || (*s == 't'))
248                 return(FORMAT_TEXT);
249         else if ((*s == 'P') || (*s == 'p'))
250                 return(FORMAT_PEM);
251         else if ((*s == 'N') || (*s == 'n'))
252                 return(FORMAT_NETSCAPE);
253         else if ((*s == 'S') || (*s == 's'))
254                 return(FORMAT_SMIME);
255         else if ((*s == '1')
256                 || (strcmp(s,"PKCS12") == 0) || (strcmp(s,"pkcs12") == 0)
257                 || (strcmp(s,"P12") == 0) || (strcmp(s,"p12") == 0))
258                 return(FORMAT_PKCS12);
259         else if ((*s == 'E') || (*s == 'e'))
260                 return(FORMAT_ENGINE);
261         else
262                 return(FORMAT_UNDEF);
263         }
264
265 #if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16)
266 void program_name(char *in, char *out, int size)
267         {
268         int i,n;
269         char *p=NULL;
270
271         n=strlen(in);
272         /* find the last '/', '\' or ':' */
273         for (i=n-1; i>0; i--)
274                 {
275                 if ((in[i] == '/') || (in[i] == '\\') || (in[i] == ':'))
276                         {
277                         p= &(in[i+1]);
278                         break;
279                         }
280                 }
281         if (p == NULL)
282                 p=in;
283         n=strlen(p);
284         /* strip off trailing .exe if present. */
285         if ((n > 4) && (p[n-4] == '.') &&
286                 ((p[n-3] == 'e') || (p[n-3] == 'E')) &&
287                 ((p[n-2] == 'x') || (p[n-2] == 'X')) &&
288                 ((p[n-1] == 'e') || (p[n-1] == 'E')))
289                 n-=4;
290         if (n > size-1)
291                 n=size-1;
292
293         for (i=0; i<n; i++)
294                 {
295                 if ((p[i] >= 'A') && (p[i] <= 'Z'))
296                         out[i]=p[i]-'A'+'a';
297                 else
298                         out[i]=p[i];
299                 }
300         out[n]='\0';
301         }
302 #else
303 #ifdef OPENSSL_SYS_VMS
304 void program_name(char *in, char *out, int size)
305         {
306         char *p=in, *q;
307         char *chars=":]>";
308
309         while(*chars != '\0')
310                 {
311                 q=strrchr(p,*chars);
312                 if (q > p)
313                         p = q + 1;
314                 chars++;
315                 }
316
317         q=strrchr(p,'.');
318         if (q == NULL)
319                 q = p + strlen(p);
320         strncpy(out,p,size-1);
321         if (q-p >= size)
322                 {
323                 out[size-1]='\0';
324                 }
325         else
326                 {
327                 out[q-p]='\0';
328                 }
329         }
330 #else
331 void program_name(char *in, char *out, int size)
332         {
333         char *p;
334
335         p=strrchr(in,'/');
336         if (p != NULL)
337                 p++;
338         else
339                 p=in;
340         BUF_strlcpy(out,p,size);
341         }
342 #endif
343 #endif
344
345 #ifdef OPENSSL_SYS_WIN32
346 int WIN32_rename(char *from, char *to)
347         {
348         /* Windows rename gives an error if 'to' exists, so delete it
349          * first and ignore file not found errror
350          */
351         if((remove(to) != 0) && (errno != ENOENT))
352                 return -1;
353 #undef rename
354         return rename(from, to);
355         }
356 #endif
357
358 #ifdef OPENSSL_SYS_VMS
359 int VMS_strcasecmp(const char *str1, const char *str2)
360         {
361         while (*str1 && *str2)
362                 {
363                 int res = toupper(*str1) - toupper(*str2);
364                 if (res) return res < 0 ? -1 : 1;
365                 }
366         if (*str1)
367                 return 1;
368         if (*str2)
369                 return -1;
370         return 0;
371         }
372 #endif
373
374 int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
375         {
376         int num,len,i;
377         char *p;
378
379         *argc=0;
380         *argv=NULL;
381
382         len=strlen(buf);
383         i=0;
384         if (arg->count == 0)
385                 {
386                 arg->count=20;
387                 arg->data=(char **)OPENSSL_malloc(sizeof(char *)*arg->count);
388                 }
389         for (i=0; i<arg->count; i++)
390                 arg->data[i]=NULL;
391
392         num=0;
393         p=buf;
394         for (;;)
395                 {
396                 /* first scan over white space */
397                 if (!*p) break;
398                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
399                         p++;
400                 if (!*p) break;
401
402                 /* The start of something good :-) */
403                 if (num >= arg->count)
404                         {
405                         arg->count+=20;
406                         arg->data=(char **)OPENSSL_realloc(arg->data,
407                                 sizeof(char *)*arg->count);
408                         if (argc == 0) return(0);
409                         }
410                 arg->data[num++]=p;
411
412                 /* now look for the end of this */
413                 if ((*p == '\'') || (*p == '\"')) /* scan for closing quote */
414                         {
415                         i= *(p++);
416                         arg->data[num-1]++; /* jump over quote */
417                         while (*p && (*p != i))
418                                 p++;
419                         *p='\0';
420                         }
421                 else
422                         {
423                         while (*p && ((*p != ' ') &&
424                                 (*p != '\t') && (*p != '\n')))
425                                 p++;
426
427                         if (*p == '\0')
428                                 p--;
429                         else
430                                 *p='\0';
431                         }
432                 p++;
433                 }
434         *argc=num;
435         *argv=arg->data;
436         return(1);
437         }
438
439 #ifndef APP_INIT
440 int app_init(long mesgwin)
441         {
442         return(1);
443         }
444 #endif
445
446
447 int dump_cert_text (BIO *out, X509 *x)
448 {
449         char *p;
450
451         p=X509_NAME_oneline(X509_get_subject_name(x),NULL,0);
452         BIO_puts(out,"subject=");
453         BIO_puts(out,p);
454         OPENSSL_free(p);
455
456         p=X509_NAME_oneline(X509_get_issuer_name(x),NULL,0);
457         BIO_puts(out,"\nissuer=");
458         BIO_puts(out,p);
459         BIO_puts(out,"\n");
460         OPENSSL_free(p);
461
462         return 0;
463 }
464
465 static int ui_open(UI *ui)
466         {
467         return UI_method_get_opener(UI_OpenSSL())(ui);
468         }
469 static int ui_read(UI *ui, UI_STRING *uis)
470         {
471         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
472                 && UI_get0_user_data(ui))
473                 {
474                 switch(UI_get_string_type(uis))
475                         {
476                 case UIT_PROMPT:
477                 case UIT_VERIFY:
478                         {
479                         const char *password =
480                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
481                         if (password[0] != '\0')
482                                 {
483                                 UI_set_result(ui, uis, password);
484                                 return 1;
485                                 }
486                         }
487                 default:
488                         break;
489                         }
490                 }
491         return UI_method_get_reader(UI_OpenSSL())(ui, uis);
492         }
493 static int ui_write(UI *ui, UI_STRING *uis)
494         {
495         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
496                 && UI_get0_user_data(ui))
497                 {
498                 switch(UI_get_string_type(uis))
499                         {
500                 case UIT_PROMPT:
501                 case UIT_VERIFY:
502                         {
503                         const char *password =
504                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
505                         if (password[0] != '\0')
506                                 return 1;
507                         }
508                 default:
509                         break;
510                         }
511                 }
512         return UI_method_get_writer(UI_OpenSSL())(ui, uis);
513         }
514 static int ui_close(UI *ui)
515         {
516         return UI_method_get_closer(UI_OpenSSL())(ui);
517         }
518 int setup_ui_method(void)
519         {
520         ui_method = UI_create_method("OpenSSL application user interface");
521         UI_method_set_opener(ui_method, ui_open);
522         UI_method_set_reader(ui_method, ui_read);
523         UI_method_set_writer(ui_method, ui_write);
524         UI_method_set_closer(ui_method, ui_close);
525         return 0;
526         }
527 void destroy_ui_method(void)
528         {
529         if(ui_method)
530                 {
531                 UI_destroy_method(ui_method);
532                 ui_method = NULL;
533                 }
534         }
535 int password_callback(char *buf, int bufsiz, int verify,
536         PW_CB_DATA *cb_tmp)
537         {
538         UI *ui = NULL;
539         int res = 0;
540         const char *prompt_info = NULL;
541         const char *password = NULL;
542         PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp;
543
544         if (cb_data)
545                 {
546                 if (cb_data->password)
547                         password = cb_data->password;
548                 if (cb_data->prompt_info)
549                         prompt_info = cb_data->prompt_info;
550                 }
551
552         if (password)
553                 {
554                 res = strlen(password);
555                 if (res > bufsiz)
556                         res = bufsiz;
557                 memcpy(buf, password, res);
558                 return res;
559                 }
560
561         ui = UI_new_method(ui_method);
562         if (ui)
563                 {
564                 int ok = 0;
565                 char *buff = NULL;
566                 int ui_flags = 0;
567                 char *prompt = NULL;
568
569                 prompt = UI_construct_prompt(ui, "pass phrase",
570                         cb_data->prompt_info);
571
572                 ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
573                 UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
574
575                 if (ok >= 0)
576                         ok = UI_add_input_string(ui,prompt,ui_flags,buf,
577                                 PW_MIN_LENGTH,BUFSIZ-1);
578                 if (ok >= 0 && verify)
579                         {
580                         buff = (char *)OPENSSL_malloc(bufsiz);
581                         ok = UI_add_verify_string(ui,prompt,ui_flags,buff,
582                                 PW_MIN_LENGTH,BUFSIZ-1, buf);
583                         }
584                 if (ok >= 0)
585                         do
586                                 {
587                                 ok = UI_process(ui);
588                                 }
589                         while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
590
591                 if (buff)
592                         {
593                         memset(buff,0,(unsigned int)bufsiz);
594                         OPENSSL_free(buff);
595                         }
596
597                 if (ok >= 0)
598                         res = strlen(buf);
599                 if (ok == -1)
600                         {
601                         BIO_printf(bio_err, "User interface error\n");
602                         ERR_print_errors(bio_err);
603                         memset(buf,0,(unsigned int)bufsiz);
604                         res = 0;
605                         }
606                 if (ok == -2)
607                         {
608                         BIO_printf(bio_err,"aborted!\n");
609                         memset(buf,0,(unsigned int)bufsiz);
610                         res = 0;
611                         }
612                 UI_free(ui);
613                 OPENSSL_free(prompt);
614                 }
615         return res;
616         }
617
618 static char *app_get_pass(BIO *err, char *arg, int keepbio);
619
620 int app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2)
621 {
622         int same;
623         if(!arg2 || !arg1 || strcmp(arg1, arg2)) same = 0;
624         else same = 1;
625         if(arg1) {
626                 *pass1 = app_get_pass(err, arg1, same);
627                 if(!*pass1) return 0;
628         } else if(pass1) *pass1 = NULL;
629         if(arg2) {
630                 *pass2 = app_get_pass(err, arg2, same ? 2 : 0);
631                 if(!*pass2) return 0;
632         } else if(pass2) *pass2 = NULL;
633         return 1;
634 }
635
636 static char *app_get_pass(BIO *err, char *arg, int keepbio)
637 {
638         char *tmp, tpass[APP_PASS_LEN];
639         static BIO *pwdbio = NULL;
640         int i;
641         if(!strncmp(arg, "pass:", 5)) return BUF_strdup(arg + 5);
642         if(!strncmp(arg, "env:", 4)) {
643                 tmp = getenv(arg + 4);
644                 if(!tmp) {
645                         BIO_printf(err, "Can't read environment variable %s\n", arg + 4);
646                         return NULL;
647                 }
648                 return BUF_strdup(tmp);
649         }
650         if(!keepbio || !pwdbio) {
651                 if(!strncmp(arg, "file:", 5)) {
652                         pwdbio = BIO_new_file(arg + 5, "r");
653                         if(!pwdbio) {
654                                 BIO_printf(err, "Can't open file %s\n", arg + 5);
655                                 return NULL;
656                         }
657                 } else if(!strncmp(arg, "fd:", 3)) {
658                         BIO *btmp;
659                         i = atoi(arg + 3);
660                         if(i >= 0) pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
661                         if((i < 0) || !pwdbio) {
662                                 BIO_printf(err, "Can't access file descriptor %s\n", arg + 3);
663                                 return NULL;
664                         }
665                         /* Can't do BIO_gets on an fd BIO so add a buffering BIO */
666                         btmp = BIO_new(BIO_f_buffer());
667                         pwdbio = BIO_push(btmp, pwdbio);
668                 } else if(!strcmp(arg, "stdin")) {
669                         pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE);
670                         if(!pwdbio) {
671                                 BIO_printf(err, "Can't open BIO for stdin\n");
672                                 return NULL;
673                         }
674                 } else {
675                         BIO_printf(err, "Invalid password argument \"%s\"\n", arg);
676                         return NULL;
677                 }
678         }
679         i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
680         if(keepbio != 1) {
681                 BIO_free_all(pwdbio);
682                 pwdbio = NULL;
683         }
684         if(i <= 0) {
685                 BIO_printf(err, "Error reading password from BIO\n");
686                 return NULL;
687         }
688         tmp = strchr(tpass, '\n');
689         if(tmp) *tmp = 0;
690         return BUF_strdup(tpass);
691 }
692
693 int add_oid_section(BIO *err, CONF *conf)
694 {       
695         char *p;
696         STACK_OF(CONF_VALUE) *sktmp;
697         CONF_VALUE *cnf;
698         int i;
699         if(!(p=NCONF_get_string(conf,NULL,"oid_section")))
700                 {
701                 ERR_clear_error();
702                 return 1;
703                 }
704         if(!(sktmp = NCONF_get_section(conf, p))) {
705                 BIO_printf(err, "problem loading oid section %s\n", p);
706                 return 0;
707         }
708         for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
709                 cnf = sk_CONF_VALUE_value(sktmp, i);
710                 if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
711                         BIO_printf(err, "problem creating object %s=%s\n",
712                                                          cnf->name, cnf->value);
713                         return 0;
714                 }
715         }
716         return 1;
717 }
718
719 X509 *load_cert(BIO *err, const char *file, int format,
720         const char *pass, ENGINE *e, const char *cert_descrip)
721         {
722         ASN1_HEADER *ah=NULL;
723         BUF_MEM *buf=NULL;
724         X509 *x=NULL;
725         BIO *cert;
726
727         if ((cert=BIO_new(BIO_s_file())) == NULL)
728                 {
729                 ERR_print_errors(err);
730                 goto end;
731                 }
732
733         if (file == NULL)
734                 {
735                 setvbuf(stdin, NULL, _IONBF, 0);
736                 BIO_set_fp(cert,stdin,BIO_NOCLOSE);
737                 }
738         else
739                 {
740                 if (BIO_read_filename(cert,file) <= 0)
741                         {
742                         BIO_printf(err, "Error opening %s %s\n",
743                                 cert_descrip, file);
744                         ERR_print_errors(err);
745                         goto end;
746                         }
747                 }
748
749         if      (format == FORMAT_ASN1)
750                 x=d2i_X509_bio(cert,NULL);
751         else if (format == FORMAT_NETSCAPE)
752                 {
753                 unsigned char *p,*op;
754                 int size=0,i;
755
756                 /* We sort of have to do it this way because it is sort of nice
757                  * to read the header first and check it, then
758                  * try to read the certificate */
759                 buf=BUF_MEM_new();
760                 for (;;)
761                         {
762                         if ((buf == NULL) || (!BUF_MEM_grow(buf,size+1024*10)))
763                                 goto end;
764                         i=BIO_read(cert,&(buf->data[size]),1024*10);
765                         size+=i;
766                         if (i == 0) break;
767                         if (i < 0)
768                                 {
769                                 perror("reading certificate");
770                                 goto end;
771                                 }
772                         }
773                 p=(unsigned char *)buf->data;
774                 op=p;
775
776                 /* First load the header */
777                 if ((ah=d2i_ASN1_HEADER(NULL,&p,(long)size)) == NULL)
778                         goto end;
779                 if ((ah->header == NULL) || (ah->header->data == NULL) ||
780                         (strncmp(NETSCAPE_CERT_HDR,(char *)ah->header->data,
781                         ah->header->length) != 0))
782                         {
783                         BIO_printf(err,"Error reading header on certificate\n");
784                         goto end;
785                         }
786                 /* header is ok, so now read the object */
787                 p=op;
788                 ah->meth=X509_asn1_meth();
789                 if ((ah=d2i_ASN1_HEADER(&ah,&p,(long)size)) == NULL)
790                         goto end;
791                 x=(X509 *)ah->data;
792                 ah->data=NULL;
793                 }
794         else if (format == FORMAT_PEM)
795                 x=PEM_read_bio_X509_AUX(cert,NULL,
796                         (pem_password_cb *)password_callback, NULL);
797         else if (format == FORMAT_PKCS12)
798                 {
799                 PKCS12 *p12 = d2i_PKCS12_bio(cert, NULL);
800
801                 PKCS12_parse(p12, NULL, NULL, &x, NULL);
802                 PKCS12_free(p12);
803                 p12 = NULL;
804                 }
805         else    {
806                 BIO_printf(err,"bad input format specified for %s\n",
807                         cert_descrip);
808                 goto end;
809                 }
810 end:
811         if (x == NULL)
812                 {
813                 BIO_printf(err,"unable to load certificate\n");
814                 ERR_print_errors(err);
815                 }
816         if (ah != NULL) ASN1_HEADER_free(ah);
817         if (cert != NULL) BIO_free(cert);
818         if (buf != NULL) BUF_MEM_free(buf);
819         return(x);
820         }
821
822 EVP_PKEY *load_key(BIO *err, const char *file, int format, int maybe_stdin,
823         const char *pass, ENGINE *e, const char *key_descrip)
824         {
825         BIO *key=NULL;
826         EVP_PKEY *pkey=NULL;
827         PW_CB_DATA cb_data;
828
829         cb_data.password = pass;
830         cb_data.prompt_info = file;
831
832         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
833                 {
834                 BIO_printf(err,"no keyfile specified\n");
835                 goto end;
836                 }
837         if (format == FORMAT_ENGINE)
838                 {
839                 if (!e)
840                         BIO_printf(bio_err,"no engine specified\n");
841                 else
842                         pkey = ENGINE_load_private_key(e, file,
843                                 ui_method, &cb_data);
844                 goto end;
845                 }
846         key=BIO_new(BIO_s_file());
847         if (key == NULL)
848                 {
849                 ERR_print_errors(err);
850                 goto end;
851                 }
852         if (file == NULL && maybe_stdin)
853                 {
854                 setvbuf(stdin, NULL, _IONBF, 0);
855                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
856                 }
857         else
858                 if (BIO_read_filename(key,file) <= 0)
859                         {
860                         BIO_printf(err, "Error opening %s %s\n",
861                                 key_descrip, file);
862                         ERR_print_errors(err);
863                         goto end;
864                         }
865         if (format == FORMAT_ASN1)
866                 {
867                 pkey=d2i_PrivateKey_bio(key, NULL);
868                 }
869         else if (format == FORMAT_PEM)
870                 {
871                 pkey=PEM_read_bio_PrivateKey(key,NULL,
872                         (pem_password_cb *)password_callback, &cb_data);
873                 }
874 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
875         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
876                 pkey = load_netscape_key(err, key, file, key_descrip, format);
877 #endif
878         else if (format == FORMAT_PKCS12)
879                 {
880                 PKCS12 *p12 = d2i_PKCS12_bio(key, NULL);
881
882                 PKCS12_parse(p12, pass, &pkey, NULL, NULL);
883                 PKCS12_free(p12);
884                 p12 = NULL;
885                 }
886         else
887                 {
888                 BIO_printf(err,"bad input format specified for key file\n");
889                 goto end;
890                 }
891  end:
892         if (key != NULL) BIO_free(key);
893         if (pkey == NULL)
894                 BIO_printf(err,"unable to load %s\n", key_descrip);
895         return(pkey);
896         }
897
898 EVP_PKEY *load_pubkey(BIO *err, const char *file, int format, int maybe_stdin,
899         const char *pass, ENGINE *e, const char *key_descrip)
900         {
901         BIO *key=NULL;
902         EVP_PKEY *pkey=NULL;
903         PW_CB_DATA cb_data;
904
905         cb_data.password = pass;
906         cb_data.prompt_info = file;
907
908         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
909                 {
910                 BIO_printf(err,"no keyfile specified\n");
911                 goto end;
912                 }
913         if (format == FORMAT_ENGINE)
914                 {
915                 if (!e)
916                         BIO_printf(bio_err,"no engine specified\n");
917                 else
918                         pkey = ENGINE_load_public_key(e, file,
919                                 ui_method, &cb_data);
920                 goto end;
921                 }
922         key=BIO_new(BIO_s_file());
923         if (key == NULL)
924                 {
925                 ERR_print_errors(err);
926                 goto end;
927                 }
928         if (file == NULL && maybe_stdin)
929                 {
930                 setvbuf(stdin, NULL, _IONBF, 0);
931                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
932                 }
933         else
934                 if (BIO_read_filename(key,file) <= 0)
935                         {
936                         BIO_printf(err, "Error opening %s %s\n",
937                                 key_descrip, file);
938                         ERR_print_errors(err);
939                         goto end;
940                 }
941         if (format == FORMAT_ASN1)
942                 {
943                 pkey=d2i_PUBKEY_bio(key, NULL);
944                 }
945         else if (format == FORMAT_PEM)
946                 {
947                 pkey=PEM_read_bio_PUBKEY(key,NULL,
948                         (pem_password_cb *)password_callback, &cb_data);
949                 }
950 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
951         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
952                 pkey = load_netscape_key(err, key, file, key_descrip, format);
953 #endif
954         else
955                 {
956                 BIO_printf(err,"bad input format specified for key file\n");
957                 goto end;
958                 }
959  end:
960         if (key != NULL) BIO_free(key);
961         if (pkey == NULL)
962                 BIO_printf(err,"unable to load %s\n", key_descrip);
963         return(pkey);
964         }
965
966 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
967 static EVP_PKEY *
968 load_netscape_key(BIO *err, BIO *key, const char *file,
969                 const char *key_descrip, int format)
970         {
971         EVP_PKEY *pkey;
972         BUF_MEM *buf;
973         RSA     *rsa;
974         const unsigned char *p;
975         int size, i;
976
977         buf=BUF_MEM_new();
978         pkey = EVP_PKEY_new();
979         size = 0;
980         if (buf == NULL || pkey == NULL)
981                 goto error;
982         for (;;)
983                 {
984                 if (!BUF_MEM_grow_clean(buf,size+1024*10))
985                         goto error;
986                 i = BIO_read(key, &(buf->data[size]), 1024*10);
987                 size += i;
988                 if (i == 0)
989                         break;
990                 if (i < 0)
991                         {
992                                 BIO_printf(err, "Error reading %s %s",
993                                         key_descrip, file);
994                                 goto error;
995                         }
996                 }
997         p=(unsigned char *)buf->data;
998         rsa = d2i_RSA_NET(NULL,&p,(long)size,NULL,
999                 (format == FORMAT_IISSGC ? 1 : 0));
1000         if (rsa == NULL)
1001                 goto error;
1002         BUF_MEM_free(buf);
1003         EVP_PKEY_set1_RSA(pkey, rsa);
1004         return pkey;
1005 error:
1006         BUF_MEM_free(buf);
1007         EVP_PKEY_free(pkey);
1008         return NULL;
1009         }
1010 #endif /* ndef OPENSSL_NO_RC4 */
1011
1012 STACK_OF(X509) *load_certs(BIO *err, const char *file, int format,
1013         const char *pass, ENGINE *e, const char *cert_descrip)
1014         {
1015         BIO *certs;
1016         int i;
1017         STACK_OF(X509) *othercerts = NULL;
1018         STACK_OF(X509_INFO) *allcerts = NULL;
1019         X509_INFO *xi;
1020         PW_CB_DATA cb_data;
1021
1022         cb_data.password = pass;
1023         cb_data.prompt_info = file;
1024
1025         if((certs = BIO_new(BIO_s_file())) == NULL)
1026                 {
1027                 ERR_print_errors(err);
1028                 goto end;
1029                 }
1030
1031         if (file == NULL)
1032                 BIO_set_fp(certs,stdin,BIO_NOCLOSE);
1033         else
1034                 {
1035                 if (BIO_read_filename(certs,file) <= 0)
1036                         {
1037                         BIO_printf(err, "Error opening %s %s\n",
1038                                 cert_descrip, file);
1039                         ERR_print_errors(err);
1040                         goto end;
1041                         }
1042                 }
1043
1044         if      (format == FORMAT_PEM)
1045                 {
1046                 othercerts = sk_X509_new_null();
1047                 if(!othercerts)
1048                         {
1049                         sk_X509_free(othercerts);
1050                         othercerts = NULL;
1051                         goto end;
1052                         }
1053                 allcerts = PEM_X509_INFO_read_bio(certs, NULL,
1054                                 (pem_password_cb *)password_callback, &cb_data);
1055                 for(i = 0; i < sk_X509_INFO_num(allcerts); i++)
1056                         {
1057                         xi = sk_X509_INFO_value (allcerts, i);
1058                         if (xi->x509)
1059                                 {
1060                                 sk_X509_push(othercerts, xi->x509);
1061                                 xi->x509 = NULL;
1062                                 }
1063                         }
1064                 goto end;
1065                 }
1066         else    {
1067                 BIO_printf(err,"bad input format specified for %s\n",
1068                         cert_descrip);
1069                 goto end;
1070                 }
1071 end:
1072         if (othercerts == NULL)
1073                 {
1074                 BIO_printf(err,"unable to load certificates\n");
1075                 ERR_print_errors(err);
1076                 }
1077         if (allcerts) sk_X509_INFO_pop_free(allcerts, X509_INFO_free);
1078         if (certs != NULL) BIO_free(certs);
1079         return(othercerts);
1080         }
1081
1082
1083 #define X509V3_EXT_UNKNOWN_MASK         (0xfL << 16)
1084 /* Return error for unknown extensions */
1085 #define X509V3_EXT_DEFAULT              0
1086 /* Print error for unknown extensions */
1087 #define X509V3_EXT_ERROR_UNKNOWN        (1L << 16)
1088 /* ASN1 parse unknown extensions */
1089 #define X509V3_EXT_PARSE_UNKNOWN        (2L << 16)
1090 /* BIO_dump unknown extensions */
1091 #define X509V3_EXT_DUMP_UNKNOWN         (3L << 16)
1092
1093 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1094                          X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1095
1096 int set_cert_ex(unsigned long *flags, const char *arg)
1097 {
1098         static const NAME_EX_TBL cert_tbl[] = {
1099                 { "compatible", X509_FLAG_COMPAT, 0xffffffffl},
1100                 { "ca_default", X509_FLAG_CA, 0xffffffffl},
1101                 { "no_header", X509_FLAG_NO_HEADER, 0},
1102                 { "no_version", X509_FLAG_NO_VERSION, 0},
1103                 { "no_serial", X509_FLAG_NO_SERIAL, 0},
1104                 { "no_signame", X509_FLAG_NO_SIGNAME, 0},
1105                 { "no_validity", X509_FLAG_NO_VALIDITY, 0},
1106                 { "no_subject", X509_FLAG_NO_SUBJECT, 0},
1107                 { "no_issuer", X509_FLAG_NO_ISSUER, 0},
1108                 { "no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1109                 { "no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1110                 { "no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1111                 { "no_aux", X509_FLAG_NO_AUX, 0},
1112                 { "no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1113                 { "ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1114                 { "ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1115                 { "ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1116                 { "ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1117                 { NULL, 0, 0}
1118         };
1119         return set_multi_opts(flags, arg, cert_tbl);
1120 }
1121
1122 int set_name_ex(unsigned long *flags, const char *arg)
1123 {
1124         static const NAME_EX_TBL ex_tbl[] = {
1125                 { "esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1126                 { "esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1127                 { "esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1128                 { "use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1129                 { "utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1130                 { "ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1131                 { "show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1132                 { "dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1133                 { "dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1134                 { "dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1135                 { "compat", XN_FLAG_COMPAT, 0xffffffffL},
1136                 { "sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1137                 { "sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1138                 { "sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1139                 { "sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1140                 { "dn_rev", XN_FLAG_DN_REV, 0},
1141                 { "nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1142                 { "sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1143                 { "lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1144                 { "align", XN_FLAG_FN_ALIGN, 0},
1145                 { "oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1146                 { "space_eq", XN_FLAG_SPC_EQ, 0},
1147                 { "dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1148                 { "RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1149                 { "oneline", XN_FLAG_ONELINE, 0xffffffffL},
1150                 { "multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1151                 { "ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1152                 { NULL, 0, 0}
1153         };
1154         return set_multi_opts(flags, arg, ex_tbl);
1155 }
1156
1157 int set_ext_copy(int *copy_type, const char *arg)
1158 {
1159         if (!strcasecmp(arg, "none"))
1160                 *copy_type = EXT_COPY_NONE;
1161         else if (!strcasecmp(arg, "copy"))
1162                 *copy_type = EXT_COPY_ADD;
1163         else if (!strcasecmp(arg, "copyall"))
1164                 *copy_type = EXT_COPY_ALL;
1165         else
1166                 return 0;
1167         return 1;
1168 }
1169
1170 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1171 {
1172         STACK_OF(X509_EXTENSION) *exts = NULL;
1173         X509_EXTENSION *ext, *tmpext;
1174         ASN1_OBJECT *obj;
1175         int i, idx, ret = 0;
1176         if (!x || !req || (copy_type == EXT_COPY_NONE))
1177                 return 1;
1178         exts = X509_REQ_get_extensions(req);
1179
1180         for(i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1181                 ext = sk_X509_EXTENSION_value(exts, i);
1182                 obj = X509_EXTENSION_get_object(ext);
1183                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1184                 /* Does extension exist? */
1185                 if (idx != -1) {
1186                         /* If normal copy don't override existing extension */
1187                         if (copy_type == EXT_COPY_ADD)
1188                                 continue;
1189                         /* Delete all extensions of same type */
1190                         do {
1191                                 tmpext = X509_get_ext(x, idx);
1192                                 X509_delete_ext(x, idx);
1193                                 X509_EXTENSION_free(tmpext);
1194                                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1195                         } while (idx != -1);
1196                 }
1197                 if (!X509_add_ext(x, ext, -1))
1198                         goto end;
1199         }
1200
1201         ret = 1;
1202
1203         end:
1204
1205         sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1206
1207         return ret;
1208 }
1209                 
1210                 
1211                         
1212
1213 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1214 {
1215         STACK_OF(CONF_VALUE) *vals;
1216         CONF_VALUE *val;
1217         int i, ret = 1;
1218         if(!arg) return 0;
1219         vals = X509V3_parse_list(arg);
1220         for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1221                 val = sk_CONF_VALUE_value(vals, i);
1222                 if (!set_table_opts(flags, val->name, in_tbl))
1223                         ret = 0;
1224         }
1225         sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1226         return ret;
1227 }
1228
1229 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1230 {
1231         char c;
1232         const NAME_EX_TBL *ptbl;
1233         c = arg[0];
1234
1235         if(c == '-') {
1236                 c = 0;
1237                 arg++;
1238         } else if (c == '+') {
1239                 c = 1;
1240                 arg++;
1241         } else c = 1;
1242
1243         for(ptbl = in_tbl; ptbl->name; ptbl++) {
1244                 if(!strcasecmp(arg, ptbl->name)) {
1245                         *flags &= ~ptbl->mask;
1246                         if(c) *flags |= ptbl->flag;
1247                         else *flags &= ~ptbl->flag;
1248                         return 1;
1249                 }
1250         }
1251         return 0;
1252 }
1253
1254 void print_name(BIO *out, char *title, X509_NAME *nm, unsigned long lflags)
1255 {
1256         char *buf;
1257         char mline = 0;
1258         int indent = 0;
1259
1260         if(title) BIO_puts(out, title);
1261         if((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1262                 mline = 1;
1263                 indent = 4;
1264         }
1265         if(lflags == XN_FLAG_COMPAT) {
1266                 buf = X509_NAME_oneline(nm, 0, 0);
1267                 BIO_puts(out, buf);
1268                 BIO_puts(out, "\n");
1269                 OPENSSL_free(buf);
1270         } else {
1271                 if(mline) BIO_puts(out, "\n");
1272                 X509_NAME_print_ex(out, nm, indent, lflags);
1273                 BIO_puts(out, "\n");
1274         }
1275 }
1276
1277 X509_STORE *setup_verify(BIO *bp, char *CAfile, char *CApath)
1278 {
1279         X509_STORE *store;
1280         X509_LOOKUP *lookup;
1281         if(!(store = X509_STORE_new())) goto end;
1282         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file());
1283         if (lookup == NULL) goto end;
1284         if (CAfile) {
1285                 if(!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) {
1286                         BIO_printf(bp, "Error loading file %s\n", CAfile);
1287                         goto end;
1288                 }
1289         } else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
1290                 
1291         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir());
1292         if (lookup == NULL) goto end;
1293         if (CApath) {
1294                 if(!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) {
1295                         BIO_printf(bp, "Error loading directory %s\n", CApath);
1296                         goto end;
1297                 }
1298         } else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
1299
1300         ERR_clear_error();
1301         return store;
1302         end:
1303         X509_STORE_free(store);
1304         return NULL;
1305 }
1306
1307 /* Try to load an engine in a shareable library */
1308 static ENGINE *try_load_engine(BIO *err, const char *engine, int debug)
1309         {
1310         ENGINE *e = ENGINE_by_id("dynamic");
1311         if (e)
1312                 {
1313                 if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
1314                         || !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0))
1315                         {
1316                         ENGINE_free(e);
1317                         e = NULL;
1318                         }
1319                 }
1320         return e;
1321         }
1322
1323 ENGINE *setup_engine(BIO *err, const char *engine, int debug)
1324         {
1325         ENGINE *e = NULL;
1326
1327         if (engine)
1328                 {
1329                 if(strcmp(engine, "auto") == 0)
1330                         {
1331                         BIO_printf(err,"enabling auto ENGINE support\n");
1332                         ENGINE_register_all_complete();
1333                         return NULL;
1334                         }
1335                 if((e = ENGINE_by_id(engine)) == NULL
1336                         && (e = try_load_engine(err, engine, debug)) == NULL)
1337                         {
1338                         BIO_printf(err,"invalid engine \"%s\"\n", engine);
1339                         ERR_print_errors(err);
1340                         return NULL;
1341                         }
1342                 if (debug)
1343                         {
1344                         ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM,
1345                                 0, err, 0);
1346                         }
1347                 ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
1348                 if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
1349                         {
1350                         BIO_printf(err,"can't use that engine\n");
1351                         ERR_print_errors(err);
1352                         ENGINE_free(e);
1353                         return NULL;
1354                         }
1355
1356                 BIO_printf(err,"engine \"%s\" set.\n", ENGINE_get_id(e));
1357
1358                 /* Free our "structural" reference. */
1359                 ENGINE_free(e);
1360                 }
1361         return e;
1362         }
1363
1364 int load_config(BIO *err, CONF *cnf)
1365         {
1366         if (!cnf)
1367                 cnf = config;
1368         if (!cnf)
1369                 return 1;
1370
1371         OPENSSL_load_builtin_modules();
1372
1373         if (CONF_modules_load(cnf, NULL, 0) <= 0)
1374                 {
1375                 BIO_printf(err, "Error configuring OpenSSL\n");
1376                 ERR_print_errors(err);
1377                 return 0;
1378                 }
1379         return 1;
1380         }
1381
1382 char *make_config_name()
1383         {
1384         const char *t=X509_get_default_cert_area();
1385         char *p;
1386
1387         p=OPENSSL_malloc(strlen(t)+strlen(OPENSSL_CONF)+2);
1388         strcpy(p,t);
1389 #ifndef OPENSSL_SYS_VMS
1390         strcat(p,"/");
1391 #endif
1392         strcat(p,OPENSSL_CONF);
1393
1394         return p;
1395         }