Provide ASFLAGS in the subdirectories handling assembler code.
[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 #ifndef OPENSSL_NO_ENGINE
126 #include <openssl/engine.h>
127 #endif
128
129 #define NON_MAIN
130 #include "apps.h"
131 #undef NON_MAIN
132
133 typedef struct {
134         char *name;
135         unsigned long flag;
136         unsigned long mask;
137 } NAME_EX_TBL;
138
139 static UI_METHOD *ui_method = NULL;
140
141 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
142 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
143
144 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
145 /* Looks like this stuff is worth moving into separate function */
146 static EVP_PKEY *
147 load_netscape_key(BIO *err, BIO *key, const char *file,
148                 const char *key_descrip, int format);
149 #endif
150
151 int app_init(long mesgwin);
152 #ifdef undef /* never finished - probably never will be :-) */
153 int args_from_file(char *file, int *argc, char **argv[])
154         {
155         FILE *fp;
156         int num,i;
157         unsigned int len;
158         static char *buf=NULL;
159         static char **arg=NULL;
160         char *p;
161         struct stat stbuf;
162
163         if (stat(file,&stbuf) < 0) return(0);
164
165         fp=fopen(file,"r");
166         if (fp == NULL)
167                 return(0);
168
169         *argc=0;
170         *argv=NULL;
171
172         len=(unsigned int)stbuf.st_size;
173         if (buf != NULL) OPENSSL_free(buf);
174         buf=(char *)OPENSSL_malloc(len+1);
175         if (buf == NULL) return(0);
176
177         len=fread(buf,1,len,fp);
178         if (len <= 1) return(0);
179         buf[len]='\0';
180
181         i=0;
182         for (p=buf; *p; p++)
183                 if (*p == '\n') i++;
184         if (arg != NULL) OPENSSL_free(arg);
185         arg=(char **)OPENSSL_malloc(sizeof(char *)*(i*2));
186
187         *argv=arg;
188         num=0;
189         p=buf;
190         for (;;)
191                 {
192                 if (!*p) break;
193                 if (*p == '#') /* comment line */
194                         {
195                         while (*p && (*p != '\n')) p++;
196                         continue;
197                         }
198                 /* else we have a line */
199                 *(arg++)=p;
200                 num++;
201                 while (*p && ((*p != ' ') && (*p != '\t') && (*p != '\n')))
202                         p++;
203                 if (!*p) break;
204                 if (*p == '\n')
205                         {
206                         *(p++)='\0';
207                         continue;
208                         }
209                 /* else it is a tab or space */
210                 p++;
211                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
212                         p++;
213                 if (!*p) break;
214                 if (*p == '\n')
215                         {
216                         p++;
217                         continue;
218                         }
219                 *(arg++)=p++;
220                 num++;
221                 while (*p && (*p != '\n')) p++;
222                 if (!*p) break;
223                 /* else *p == '\n' */
224                 *(p++)='\0';
225                 }
226         *argc=num;
227         return(1);
228         }
229 #endif
230
231 int str2fmt(char *s)
232         {
233         if      ((*s == 'D') || (*s == 'd'))
234                 return(FORMAT_ASN1);
235         else if ((*s == 'T') || (*s == 't'))
236                 return(FORMAT_TEXT);
237         else if ((*s == 'P') || (*s == 'p'))
238                 return(FORMAT_PEM);
239         else if ((*s == 'N') || (*s == 'n'))
240                 return(FORMAT_NETSCAPE);
241         else if ((*s == 'S') || (*s == 's'))
242                 return(FORMAT_SMIME);
243         else if ((*s == '1')
244                 || (strcmp(s,"PKCS12") == 0) || (strcmp(s,"pkcs12") == 0)
245                 || (strcmp(s,"P12") == 0) || (strcmp(s,"p12") == 0))
246                 return(FORMAT_PKCS12);
247         else if ((*s == 'E') || (*s == 'e'))
248                 return(FORMAT_ENGINE);
249         else
250                 return(FORMAT_UNDEF);
251         }
252
253 #if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16)
254 void program_name(char *in, char *out, int size)
255         {
256         int i,n;
257         char *p=NULL;
258
259         n=strlen(in);
260         /* find the last '/', '\' or ':' */
261         for (i=n-1; i>0; i--)
262                 {
263                 if ((in[i] == '/') || (in[i] == '\\') || (in[i] == ':'))
264                         {
265                         p= &(in[i+1]);
266                         break;
267                         }
268                 }
269         if (p == NULL)
270                 p=in;
271         n=strlen(p);
272         /* strip off trailing .exe if present. */
273         if ((n > 4) && (p[n-4] == '.') &&
274                 ((p[n-3] == 'e') || (p[n-3] == 'E')) &&
275                 ((p[n-2] == 'x') || (p[n-2] == 'X')) &&
276                 ((p[n-1] == 'e') || (p[n-1] == 'E')))
277                 n-=4;
278         if (n > size-1)
279                 n=size-1;
280
281         for (i=0; i<n; i++)
282                 {
283                 if ((p[i] >= 'A') && (p[i] <= 'Z'))
284                         out[i]=p[i]-'A'+'a';
285                 else
286                         out[i]=p[i];
287                 }
288         out[n]='\0';
289         }
290 #else
291 #ifdef OPENSSL_SYS_VMS
292 void program_name(char *in, char *out, int size)
293         {
294         char *p=in, *q;
295         char *chars=":]>";
296
297         while(*chars != '\0')
298                 {
299                 q=strrchr(p,*chars);
300                 if (q > p)
301                         p = q + 1;
302                 chars++;
303                 }
304
305         q=strrchr(p,'.');
306         if (q == NULL)
307                 q = p + strlen(p);
308         strncpy(out,p,size-1);
309         if (q-p >= size)
310                 {
311                 out[size-1]='\0';
312                 }
313         else
314                 {
315                 out[q-p]='\0';
316                 }
317         }
318 #else
319 void program_name(char *in, char *out, int size)
320         {
321         char *p;
322
323         p=strrchr(in,'/');
324         if (p != NULL)
325                 p++;
326         else
327                 p=in;
328         BUF_strlcpy(out,p,size);
329         }
330 #endif
331 #endif
332
333 #ifdef OPENSSL_SYS_WIN32
334 int WIN32_rename(char *from, char *to)
335         {
336 #ifndef OPENSSL_SYS_WINCE
337         /* Windows rename gives an error if 'to' exists, so delete it
338          * first and ignore file not found errror
339          */
340         if((remove(to) != 0) && (errno != ENOENT))
341                 return -1;
342 #undef rename
343         return rename(from, to);
344 #else
345         /* convert strings to UNICODE */
346         {
347         BOOL result = FALSE;
348         WCHAR* wfrom;
349         WCHAR* wto;
350         int i;
351         wfrom = malloc((strlen(from)+1)*2);
352         wto = malloc((strlen(to)+1)*2);
353         if (wfrom != NULL && wto != NULL)
354                 {
355                 for (i=0; i<(int)strlen(from)+1; i++)
356                         wfrom[i] = (short)from[i];
357                 for (i=0; i<(int)strlen(to)+1; i++)
358                         wto[i] = (short)to[i];
359                 result = MoveFile(wfrom, wto);
360                 }
361         if (wfrom != NULL)
362                 free(wfrom);
363         if (wto != NULL)
364                 free(wto);
365         return result;
366         }
367 #endif
368         }
369 #endif
370
371 int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
372         {
373         int num,len,i;
374         char *p;
375
376         *argc=0;
377         *argv=NULL;
378
379         len=strlen(buf);
380         i=0;
381         if (arg->count == 0)
382                 {
383                 arg->count=20;
384                 arg->data=(char **)OPENSSL_malloc(sizeof(char *)*arg->count);
385                 }
386         for (i=0; i<arg->count; i++)
387                 arg->data[i]=NULL;
388
389         num=0;
390         p=buf;
391         for (;;)
392                 {
393                 /* first scan over white space */
394                 if (!*p) break;
395                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
396                         p++;
397                 if (!*p) break;
398
399                 /* The start of something good :-) */
400                 if (num >= arg->count)
401                         {
402                         arg->count+=20;
403                         arg->data=(char **)OPENSSL_realloc(arg->data,
404                                 sizeof(char *)*arg->count);
405                         if (argc == 0) return(0);
406                         }
407                 arg->data[num++]=p;
408
409                 /* now look for the end of this */
410                 if ((*p == '\'') || (*p == '\"')) /* scan for closing quote */
411                         {
412                         i= *(p++);
413                         arg->data[num-1]++; /* jump over quote */
414                         while (*p && (*p != i))
415                                 p++;
416                         *p='\0';
417                         }
418                 else
419                         {
420                         while (*p && ((*p != ' ') &&
421                                 (*p != '\t') && (*p != '\n')))
422                                 p++;
423
424                         if (*p == '\0')
425                                 p--;
426                         else
427                                 *p='\0';
428                         }
429                 p++;
430                 }
431         *argc=num;
432         *argv=arg->data;
433         return(1);
434         }
435
436 #ifndef APP_INIT
437 int app_init(long mesgwin)
438         {
439         return(1);
440         }
441 #endif
442
443
444 int dump_cert_text (BIO *out, X509 *x)
445 {
446         char *p;
447
448         p=X509_NAME_oneline(X509_get_subject_name(x),NULL,0);
449         BIO_puts(out,"subject=");
450         BIO_puts(out,p);
451         OPENSSL_free(p);
452
453         p=X509_NAME_oneline(X509_get_issuer_name(x),NULL,0);
454         BIO_puts(out,"\nissuer=");
455         BIO_puts(out,p);
456         BIO_puts(out,"\n");
457         OPENSSL_free(p);
458
459         return 0;
460 }
461
462 static int ui_open(UI *ui)
463         {
464         return UI_method_get_opener(UI_OpenSSL())(ui);
465         }
466 static int ui_read(UI *ui, UI_STRING *uis)
467         {
468         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
469                 && UI_get0_user_data(ui))
470                 {
471                 switch(UI_get_string_type(uis))
472                         {
473                 case UIT_PROMPT:
474                 case UIT_VERIFY:
475                         {
476                         const char *password =
477                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
478                         if (password[0] != '\0')
479                                 {
480                                 UI_set_result(ui, uis, password);
481                                 return 1;
482                                 }
483                         }
484                 default:
485                         break;
486                         }
487                 }
488         return UI_method_get_reader(UI_OpenSSL())(ui, uis);
489         }
490 static int ui_write(UI *ui, UI_STRING *uis)
491         {
492         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
493                 && UI_get0_user_data(ui))
494                 {
495                 switch(UI_get_string_type(uis))
496                         {
497                 case UIT_PROMPT:
498                 case UIT_VERIFY:
499                         {
500                         const char *password =
501                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
502                         if (password[0] != '\0')
503                                 return 1;
504                         }
505                 default:
506                         break;
507                         }
508                 }
509         return UI_method_get_writer(UI_OpenSSL())(ui, uis);
510         }
511 static int ui_close(UI *ui)
512         {
513         return UI_method_get_closer(UI_OpenSSL())(ui);
514         }
515 int setup_ui_method(void)
516         {
517         ui_method = UI_create_method("OpenSSL application user interface");
518         UI_method_set_opener(ui_method, ui_open);
519         UI_method_set_reader(ui_method, ui_read);
520         UI_method_set_writer(ui_method, ui_write);
521         UI_method_set_closer(ui_method, ui_close);
522         return 0;
523         }
524 void destroy_ui_method(void)
525         {
526         if(ui_method)
527                 {
528                 UI_destroy_method(ui_method);
529                 ui_method = NULL;
530                 }
531         }
532 int password_callback(char *buf, int bufsiz, int verify,
533         PW_CB_DATA *cb_tmp)
534         {
535         UI *ui = NULL;
536         int res = 0;
537         const char *prompt_info = NULL;
538         const char *password = NULL;
539         PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp;
540
541         if (cb_data)
542                 {
543                 if (cb_data->password)
544                         password = cb_data->password;
545                 if (cb_data->prompt_info)
546                         prompt_info = cb_data->prompt_info;
547                 }
548
549         if (password)
550                 {
551                 res = strlen(password);
552                 if (res > bufsiz)
553                         res = bufsiz;
554                 memcpy(buf, password, res);
555                 return res;
556                 }
557
558         ui = UI_new_method(ui_method);
559         if (ui)
560                 {
561                 int ok = 0;
562                 char *buff = NULL;
563                 int ui_flags = 0;
564                 char *prompt = NULL;
565
566                 prompt = UI_construct_prompt(ui, "pass phrase",
567                         cb_data->prompt_info);
568
569                 ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
570                 UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
571
572                 if (ok >= 0)
573                         ok = UI_add_input_string(ui,prompt,ui_flags,buf,
574                                 PW_MIN_LENGTH,BUFSIZ-1);
575                 if (ok >= 0 && verify)
576                         {
577                         buff = (char *)OPENSSL_malloc(bufsiz);
578                         ok = UI_add_verify_string(ui,prompt,ui_flags,buff,
579                                 PW_MIN_LENGTH,BUFSIZ-1, buf);
580                         }
581                 if (ok >= 0)
582                         do
583                                 {
584                                 ok = UI_process(ui);
585                                 }
586                         while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
587
588                 if (buff)
589                         {
590                         OPENSSL_cleanse(buff,(unsigned int)bufsiz);
591                         OPENSSL_free(buff);
592                         }
593
594                 if (ok >= 0)
595                         res = strlen(buf);
596                 if (ok == -1)
597                         {
598                         BIO_printf(bio_err, "User interface error\n");
599                         ERR_print_errors(bio_err);
600                         OPENSSL_cleanse(buf,(unsigned int)bufsiz);
601                         res = 0;
602                         }
603                 if (ok == -2)
604                         {
605                         BIO_printf(bio_err,"aborted!\n");
606                         OPENSSL_cleanse(buf,(unsigned int)bufsiz);
607                         res = 0;
608                         }
609                 UI_free(ui);
610                 OPENSSL_free(prompt);
611                 }
612         return res;
613         }
614
615 static char *app_get_pass(BIO *err, char *arg, int keepbio);
616
617 int app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2)
618 {
619         int same;
620         if(!arg2 || !arg1 || strcmp(arg1, arg2)) same = 0;
621         else same = 1;
622         if(arg1) {
623                 *pass1 = app_get_pass(err, arg1, same);
624                 if(!*pass1) return 0;
625         } else if(pass1) *pass1 = NULL;
626         if(arg2) {
627                 *pass2 = app_get_pass(err, arg2, same ? 2 : 0);
628                 if(!*pass2) return 0;
629         } else if(pass2) *pass2 = NULL;
630         return 1;
631 }
632
633 static char *app_get_pass(BIO *err, char *arg, int keepbio)
634 {
635         char *tmp, tpass[APP_PASS_LEN];
636         static BIO *pwdbio = NULL;
637         int i;
638         if(!strncmp(arg, "pass:", 5)) return BUF_strdup(arg + 5);
639         if(!strncmp(arg, "env:", 4)) {
640                 tmp = getenv(arg + 4);
641                 if(!tmp) {
642                         BIO_printf(err, "Can't read environment variable %s\n", arg + 4);
643                         return NULL;
644                 }
645                 return BUF_strdup(tmp);
646         }
647         if(!keepbio || !pwdbio) {
648                 if(!strncmp(arg, "file:", 5)) {
649                         pwdbio = BIO_new_file(arg + 5, "r");
650                         if(!pwdbio) {
651                                 BIO_printf(err, "Can't open file %s\n", arg + 5);
652                                 return NULL;
653                         }
654                 } else if(!strncmp(arg, "fd:", 3)) {
655                         BIO *btmp;
656                         i = atoi(arg + 3);
657                         if(i >= 0) pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
658                         if((i < 0) || !pwdbio) {
659                                 BIO_printf(err, "Can't access file descriptor %s\n", arg + 3);
660                                 return NULL;
661                         }
662                         /* Can't do BIO_gets on an fd BIO so add a buffering BIO */
663                         btmp = BIO_new(BIO_f_buffer());
664                         pwdbio = BIO_push(btmp, pwdbio);
665                 } else if(!strcmp(arg, "stdin")) {
666                         pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE);
667                         if(!pwdbio) {
668                                 BIO_printf(err, "Can't open BIO for stdin\n");
669                                 return NULL;
670                         }
671                 } else {
672                         BIO_printf(err, "Invalid password argument \"%s\"\n", arg);
673                         return NULL;
674                 }
675         }
676         i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
677         if(keepbio != 1) {
678                 BIO_free_all(pwdbio);
679                 pwdbio = NULL;
680         }
681         if(i <= 0) {
682                 BIO_printf(err, "Error reading password from BIO\n");
683                 return NULL;
684         }
685         tmp = strchr(tpass, '\n');
686         if(tmp) *tmp = 0;
687         return BUF_strdup(tpass);
688 }
689
690 int add_oid_section(BIO *err, CONF *conf)
691 {       
692         char *p;
693         STACK_OF(CONF_VALUE) *sktmp;
694         CONF_VALUE *cnf;
695         int i;
696         if(!(p=NCONF_get_string(conf,NULL,"oid_section")))
697                 {
698                 ERR_clear_error();
699                 return 1;
700                 }
701         if(!(sktmp = NCONF_get_section(conf, p))) {
702                 BIO_printf(err, "problem loading oid section %s\n", p);
703                 return 0;
704         }
705         for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
706                 cnf = sk_CONF_VALUE_value(sktmp, i);
707                 if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
708                         BIO_printf(err, "problem creating object %s=%s\n",
709                                                          cnf->name, cnf->value);
710                         return 0;
711                 }
712         }
713         return 1;
714 }
715
716 X509 *load_cert(BIO *err, const char *file, int format,
717         const char *pass, ENGINE *e, const char *cert_descrip)
718         {
719         ASN1_HEADER *ah=NULL;
720         BUF_MEM *buf=NULL;
721         X509 *x=NULL;
722         BIO *cert;
723
724         if ((cert=BIO_new(BIO_s_file())) == NULL)
725                 {
726                 ERR_print_errors(err);
727                 goto end;
728                 }
729
730         if (file == NULL)
731                 {
732                 setvbuf(stdin, NULL, _IONBF, 0);
733                 BIO_set_fp(cert,stdin,BIO_NOCLOSE);
734                 }
735         else
736                 {
737                 if (BIO_read_filename(cert,file) <= 0)
738                         {
739                         BIO_printf(err, "Error opening %s %s\n",
740                                 cert_descrip, file);
741                         ERR_print_errors(err);
742                         goto end;
743                         }
744                 }
745
746         if      (format == FORMAT_ASN1)
747                 x=d2i_X509_bio(cert,NULL);
748         else if (format == FORMAT_NETSCAPE)
749                 {
750                 unsigned char *p,*op;
751                 int size=0,i;
752
753                 /* We sort of have to do it this way because it is sort of nice
754                  * to read the header first and check it, then
755                  * try to read the certificate */
756                 buf=BUF_MEM_new();
757                 for (;;)
758                         {
759                         if ((buf == NULL) || (!BUF_MEM_grow(buf,size+1024*10)))
760                                 goto end;
761                         i=BIO_read(cert,&(buf->data[size]),1024*10);
762                         size+=i;
763                         if (i == 0) break;
764                         if (i < 0)
765                                 {
766                                 perror("reading certificate");
767                                 goto end;
768                                 }
769                         }
770                 p=(unsigned char *)buf->data;
771                 op=p;
772
773                 /* First load the header */
774                 if ((ah=d2i_ASN1_HEADER(NULL,&p,(long)size)) == NULL)
775                         goto end;
776                 if ((ah->header == NULL) || (ah->header->data == NULL) ||
777                         (strncmp(NETSCAPE_CERT_HDR,(char *)ah->header->data,
778                         ah->header->length) != 0))
779                         {
780                         BIO_printf(err,"Error reading header on certificate\n");
781                         goto end;
782                         }
783                 /* header is ok, so now read the object */
784                 p=op;
785                 ah->meth=X509_asn1_meth();
786                 if ((ah=d2i_ASN1_HEADER(&ah,&p,(long)size)) == NULL)
787                         goto end;
788                 x=(X509 *)ah->data;
789                 ah->data=NULL;
790                 }
791         else if (format == FORMAT_PEM)
792                 x=PEM_read_bio_X509_AUX(cert,NULL,
793                         (pem_password_cb *)password_callback, NULL);
794         else if (format == FORMAT_PKCS12)
795                 {
796                 PKCS12 *p12 = d2i_PKCS12_bio(cert, NULL);
797
798                 PKCS12_parse(p12, NULL, NULL, &x, NULL);
799                 PKCS12_free(p12);
800                 p12 = NULL;
801                 }
802         else    {
803                 BIO_printf(err,"bad input format specified for %s\n",
804                         cert_descrip);
805                 goto end;
806                 }
807 end:
808         if (x == NULL)
809                 {
810                 BIO_printf(err,"unable to load certificate\n");
811                 ERR_print_errors(err);
812                 }
813         if (ah != NULL) ASN1_HEADER_free(ah);
814         if (cert != NULL) BIO_free(cert);
815         if (buf != NULL) BUF_MEM_free(buf);
816         return(x);
817         }
818
819 EVP_PKEY *load_key(BIO *err, const char *file, int format, int maybe_stdin,
820         const char *pass, ENGINE *e, const char *key_descrip)
821         {
822         BIO *key=NULL;
823         EVP_PKEY *pkey=NULL;
824         PW_CB_DATA cb_data;
825
826         cb_data.password = pass;
827         cb_data.prompt_info = file;
828
829         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
830                 {
831                 BIO_printf(err,"no keyfile specified\n");
832                 goto end;
833                 }
834 #ifndef OPENSSL_NO_ENGINE
835         if (format == FORMAT_ENGINE)
836                 {
837                 if (!e)
838                         BIO_printf(bio_err,"no engine specified\n");
839                 else
840                         pkey = ENGINE_load_private_key(e, file,
841                                 ui_method, &cb_data);
842                 goto end;
843                 }
844 #endif
845         key=BIO_new(BIO_s_file());
846         if (key == NULL)
847                 {
848                 ERR_print_errors(err);
849                 goto end;
850                 }
851         if (file == NULL && maybe_stdin)
852                 {
853                 setvbuf(stdin, NULL, _IONBF, 0);
854                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
855                 }
856         else
857                 if (BIO_read_filename(key,file) <= 0)
858                         {
859                         BIO_printf(err, "Error opening %s %s\n",
860                                 key_descrip, file);
861                         ERR_print_errors(err);
862                         goto end;
863                         }
864         if (format == FORMAT_ASN1)
865                 {
866                 pkey=d2i_PrivateKey_bio(key, NULL);
867                 }
868         else if (format == FORMAT_PEM)
869                 {
870                 pkey=PEM_read_bio_PrivateKey(key,NULL,
871                         (pem_password_cb *)password_callback, &cb_data);
872                 }
873 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
874         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
875                 pkey = load_netscape_key(err, key, file, key_descrip, format);
876 #endif
877         else if (format == FORMAT_PKCS12)
878                 {
879                 PKCS12 *p12 = d2i_PKCS12_bio(key, NULL);
880
881                 PKCS12_parse(p12, pass, &pkey, NULL, NULL);
882                 PKCS12_free(p12);
883                 p12 = NULL;
884                 }
885         else
886                 {
887                 BIO_printf(err,"bad input format specified for key file\n");
888                 goto end;
889                 }
890  end:
891         if (key != NULL) BIO_free(key);
892         if (pkey == NULL)
893                 BIO_printf(err,"unable to load %s\n", key_descrip);
894         return(pkey);
895         }
896
897 EVP_PKEY *load_pubkey(BIO *err, const char *file, int format, int maybe_stdin,
898         const char *pass, ENGINE *e, const char *key_descrip)
899         {
900         BIO *key=NULL;
901         EVP_PKEY *pkey=NULL;
902         PW_CB_DATA cb_data;
903
904         cb_data.password = pass;
905         cb_data.prompt_info = file;
906
907         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
908                 {
909                 BIO_printf(err,"no keyfile specified\n");
910                 goto end;
911                 }
912 #ifndef OPENSSL_NO_ENGINE
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 #endif
923         key=BIO_new(BIO_s_file());
924         if (key == NULL)
925                 {
926                 ERR_print_errors(err);
927                 goto end;
928                 }
929         if (file == NULL && maybe_stdin)
930                 {
931                 setvbuf(stdin, NULL, _IONBF, 0);
932                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
933                 }
934         else
935                 if (BIO_read_filename(key,file) <= 0)
936                         {
937                         BIO_printf(err, "Error opening %s %s\n",
938                                 key_descrip, file);
939                         ERR_print_errors(err);
940                         goto end;
941                 }
942         if (format == FORMAT_ASN1)
943                 {
944                 pkey=d2i_PUBKEY_bio(key, NULL);
945                 }
946         else if (format == FORMAT_PEM)
947                 {
948                 pkey=PEM_read_bio_PUBKEY(key,NULL,
949                         (pem_password_cb *)password_callback, &cb_data);
950                 }
951 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
952         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
953                 pkey = load_netscape_key(err, key, file, key_descrip, format);
954 #endif
955         else
956                 {
957                 BIO_printf(err,"bad input format specified for key file\n");
958                 goto end;
959                 }
960  end:
961         if (key != NULL) BIO_free(key);
962         if (pkey == NULL)
963                 BIO_printf(err,"unable to load %s\n", key_descrip);
964         return(pkey);
965         }
966
967 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
968 static EVP_PKEY *
969 load_netscape_key(BIO *err, BIO *key, const char *file,
970                 const char *key_descrip, int format)
971         {
972         EVP_PKEY *pkey;
973         BUF_MEM *buf;
974         RSA     *rsa;
975         const unsigned char *p;
976         int size, i;
977
978         buf=BUF_MEM_new();
979         pkey = EVP_PKEY_new();
980         size = 0;
981         if (buf == NULL || pkey == NULL)
982                 goto error;
983         for (;;)
984                 {
985                 if (!BUF_MEM_grow_clean(buf,size+1024*10))
986                         goto error;
987                 i = BIO_read(key, &(buf->data[size]), 1024*10);
988                 size += i;
989                 if (i == 0)
990                         break;
991                 if (i < 0)
992                         {
993                                 BIO_printf(err, "Error reading %s %s",
994                                         key_descrip, file);
995                                 goto error;
996                         }
997                 }
998         p=(unsigned char *)buf->data;
999         rsa = d2i_RSA_NET(NULL,&p,(long)size,NULL,
1000                 (format == FORMAT_IISSGC ? 1 : 0));
1001         if (rsa == NULL)
1002                 goto error;
1003         BUF_MEM_free(buf);
1004         EVP_PKEY_set1_RSA(pkey, rsa);
1005         return pkey;
1006 error:
1007         BUF_MEM_free(buf);
1008         EVP_PKEY_free(pkey);
1009         return NULL;
1010         }
1011 #endif /* ndef OPENSSL_NO_RC4 */
1012
1013 STACK_OF(X509) *load_certs(BIO *err, const char *file, int format,
1014         const char *pass, ENGINE *e, const char *cert_descrip)
1015         {
1016         BIO *certs;
1017         int i;
1018         STACK_OF(X509) *othercerts = NULL;
1019         STACK_OF(X509_INFO) *allcerts = NULL;
1020         X509_INFO *xi;
1021         PW_CB_DATA cb_data;
1022
1023         cb_data.password = pass;
1024         cb_data.prompt_info = file;
1025
1026         if((certs = BIO_new(BIO_s_file())) == NULL)
1027                 {
1028                 ERR_print_errors(err);
1029                 goto end;
1030                 }
1031
1032         if (file == NULL)
1033                 BIO_set_fp(certs,stdin,BIO_NOCLOSE);
1034         else
1035                 {
1036                 if (BIO_read_filename(certs,file) <= 0)
1037                         {
1038                         BIO_printf(err, "Error opening %s %s\n",
1039                                 cert_descrip, file);
1040                         ERR_print_errors(err);
1041                         goto end;
1042                         }
1043                 }
1044
1045         if      (format == FORMAT_PEM)
1046                 {
1047                 othercerts = sk_X509_new_null();
1048                 if(!othercerts)
1049                         {
1050                         sk_X509_free(othercerts);
1051                         othercerts = NULL;
1052                         goto end;
1053                         }
1054                 allcerts = PEM_X509_INFO_read_bio(certs, NULL,
1055                                 (pem_password_cb *)password_callback, &cb_data);
1056                 for(i = 0; i < sk_X509_INFO_num(allcerts); i++)
1057                         {
1058                         xi = sk_X509_INFO_value (allcerts, i);
1059                         if (xi->x509)
1060                                 {
1061                                 sk_X509_push(othercerts, xi->x509);
1062                                 xi->x509 = NULL;
1063                                 }
1064                         }
1065                 goto end;
1066                 }
1067         else    {
1068                 BIO_printf(err,"bad input format specified for %s\n",
1069                         cert_descrip);
1070                 goto end;
1071                 }
1072 end:
1073         if (othercerts == NULL)
1074                 {
1075                 BIO_printf(err,"unable to load certificates\n");
1076                 ERR_print_errors(err);
1077                 }
1078         if (allcerts) sk_X509_INFO_pop_free(allcerts, X509_INFO_free);
1079         if (certs != NULL) BIO_free(certs);
1080         return(othercerts);
1081         }
1082
1083
1084 #define X509V3_EXT_UNKNOWN_MASK         (0xfL << 16)
1085 /* Return error for unknown extensions */
1086 #define X509V3_EXT_DEFAULT              0
1087 /* Print error for unknown extensions */
1088 #define X509V3_EXT_ERROR_UNKNOWN        (1L << 16)
1089 /* ASN1 parse unknown extensions */
1090 #define X509V3_EXT_PARSE_UNKNOWN        (2L << 16)
1091 /* BIO_dump unknown extensions */
1092 #define X509V3_EXT_DUMP_UNKNOWN         (3L << 16)
1093
1094 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1095                          X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1096
1097 int set_cert_ex(unsigned long *flags, const char *arg)
1098 {
1099         static const NAME_EX_TBL cert_tbl[] = {
1100                 { "compatible", X509_FLAG_COMPAT, 0xffffffffl},
1101                 { "ca_default", X509_FLAG_CA, 0xffffffffl},
1102                 { "no_header", X509_FLAG_NO_HEADER, 0},
1103                 { "no_version", X509_FLAG_NO_VERSION, 0},
1104                 { "no_serial", X509_FLAG_NO_SERIAL, 0},
1105                 { "no_signame", X509_FLAG_NO_SIGNAME, 0},
1106                 { "no_validity", X509_FLAG_NO_VALIDITY, 0},
1107                 { "no_subject", X509_FLAG_NO_SUBJECT, 0},
1108                 { "no_issuer", X509_FLAG_NO_ISSUER, 0},
1109                 { "no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1110                 { "no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1111                 { "no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1112                 { "no_aux", X509_FLAG_NO_AUX, 0},
1113                 { "no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1114                 { "ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1115                 { "ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1116                 { "ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1117                 { "ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1118                 { NULL, 0, 0}
1119         };
1120         return set_multi_opts(flags, arg, cert_tbl);
1121 }
1122
1123 int set_name_ex(unsigned long *flags, const char *arg)
1124 {
1125         static const NAME_EX_TBL ex_tbl[] = {
1126                 { "esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1127                 { "esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1128                 { "esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1129                 { "use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1130                 { "utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1131                 { "ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1132                 { "show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1133                 { "dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1134                 { "dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1135                 { "dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1136                 { "compat", XN_FLAG_COMPAT, 0xffffffffL},
1137                 { "sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1138                 { "sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1139                 { "sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1140                 { "sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1141                 { "dn_rev", XN_FLAG_DN_REV, 0},
1142                 { "nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1143                 { "sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1144                 { "lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1145                 { "align", XN_FLAG_FN_ALIGN, 0},
1146                 { "oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1147                 { "space_eq", XN_FLAG_SPC_EQ, 0},
1148                 { "dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1149                 { "RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1150                 { "oneline", XN_FLAG_ONELINE, 0xffffffffL},
1151                 { "multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1152                 { "ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1153                 { NULL, 0, 0}
1154         };
1155         return set_multi_opts(flags, arg, ex_tbl);
1156 }
1157
1158 int set_ext_copy(int *copy_type, const char *arg)
1159 {
1160         if (!strcasecmp(arg, "none"))
1161                 *copy_type = EXT_COPY_NONE;
1162         else if (!strcasecmp(arg, "copy"))
1163                 *copy_type = EXT_COPY_ADD;
1164         else if (!strcasecmp(arg, "copyall"))
1165                 *copy_type = EXT_COPY_ALL;
1166         else
1167                 return 0;
1168         return 1;
1169 }
1170
1171 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1172 {
1173         STACK_OF(X509_EXTENSION) *exts = NULL;
1174         X509_EXTENSION *ext, *tmpext;
1175         ASN1_OBJECT *obj;
1176         int i, idx, ret = 0;
1177         if (!x || !req || (copy_type == EXT_COPY_NONE))
1178                 return 1;
1179         exts = X509_REQ_get_extensions(req);
1180
1181         for(i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1182                 ext = sk_X509_EXTENSION_value(exts, i);
1183                 obj = X509_EXTENSION_get_object(ext);
1184                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1185                 /* Does extension exist? */
1186                 if (idx != -1) {
1187                         /* If normal copy don't override existing extension */
1188                         if (copy_type == EXT_COPY_ADD)
1189                                 continue;
1190                         /* Delete all extensions of same type */
1191                         do {
1192                                 tmpext = X509_get_ext(x, idx);
1193                                 X509_delete_ext(x, idx);
1194                                 X509_EXTENSION_free(tmpext);
1195                                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1196                         } while (idx != -1);
1197                 }
1198                 if (!X509_add_ext(x, ext, -1))
1199                         goto end;
1200         }
1201
1202         ret = 1;
1203
1204         end:
1205
1206         sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1207
1208         return ret;
1209 }
1210                 
1211                 
1212                         
1213
1214 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1215 {
1216         STACK_OF(CONF_VALUE) *vals;
1217         CONF_VALUE *val;
1218         int i, ret = 1;
1219         if(!arg) return 0;
1220         vals = X509V3_parse_list(arg);
1221         for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1222                 val = sk_CONF_VALUE_value(vals, i);
1223                 if (!set_table_opts(flags, val->name, in_tbl))
1224                         ret = 0;
1225         }
1226         sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1227         return ret;
1228 }
1229
1230 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1231 {
1232         char c;
1233         const NAME_EX_TBL *ptbl;
1234         c = arg[0];
1235
1236         if(c == '-') {
1237                 c = 0;
1238                 arg++;
1239         } else if (c == '+') {
1240                 c = 1;
1241                 arg++;
1242         } else c = 1;
1243
1244         for(ptbl = in_tbl; ptbl->name; ptbl++) {
1245                 if(!strcasecmp(arg, ptbl->name)) {
1246                         *flags &= ~ptbl->mask;
1247                         if(c) *flags |= ptbl->flag;
1248                         else *flags &= ~ptbl->flag;
1249                         return 1;
1250                 }
1251         }
1252         return 0;
1253 }
1254
1255 void print_name(BIO *out, char *title, X509_NAME *nm, unsigned long lflags)
1256 {
1257         char *buf;
1258         char mline = 0;
1259         int indent = 0;
1260
1261         if(title) BIO_puts(out, title);
1262         if((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1263                 mline = 1;
1264                 indent = 4;
1265         }
1266         if(lflags == XN_FLAG_COMPAT) {
1267                 buf = X509_NAME_oneline(nm, 0, 0);
1268                 BIO_puts(out, buf);
1269                 BIO_puts(out, "\n");
1270                 OPENSSL_free(buf);
1271         } else {
1272                 if(mline) BIO_puts(out, "\n");
1273                 X509_NAME_print_ex(out, nm, indent, lflags);
1274                 BIO_puts(out, "\n");
1275         }
1276 }
1277
1278 X509_STORE *setup_verify(BIO *bp, char *CAfile, char *CApath)
1279 {
1280         X509_STORE *store;
1281         X509_LOOKUP *lookup;
1282         if(!(store = X509_STORE_new())) goto end;
1283         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file());
1284         if (lookup == NULL) goto end;
1285         if (CAfile) {
1286                 if(!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) {
1287                         BIO_printf(bp, "Error loading file %s\n", CAfile);
1288                         goto end;
1289                 }
1290         } else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
1291                 
1292         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir());
1293         if (lookup == NULL) goto end;
1294         if (CApath) {
1295                 if(!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) {
1296                         BIO_printf(bp, "Error loading directory %s\n", CApath);
1297                         goto end;
1298                 }
1299         } else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
1300
1301         ERR_clear_error();
1302         return store;
1303         end:
1304         X509_STORE_free(store);
1305         return NULL;
1306 }
1307
1308 #ifndef OPENSSL_NO_ENGINE
1309 /* Try to load an engine in a shareable library */
1310 static ENGINE *try_load_engine(BIO *err, const char *engine, int debug)
1311         {
1312         ENGINE *e = ENGINE_by_id("dynamic");
1313         if (e)
1314                 {
1315                 if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
1316                         || !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0))
1317                         {
1318                         ENGINE_free(e);
1319                         e = NULL;
1320                         }
1321                 }
1322         return e;
1323         }
1324
1325 ENGINE *setup_engine(BIO *err, const char *engine, int debug)
1326         {
1327         ENGINE *e = NULL;
1328
1329         if (engine)
1330                 {
1331                 if(strcmp(engine, "auto") == 0)
1332                         {
1333                         BIO_printf(err,"enabling auto ENGINE support\n");
1334                         ENGINE_register_all_complete();
1335                         return NULL;
1336                         }
1337                 if((e = ENGINE_by_id(engine)) == NULL
1338                         && (e = try_load_engine(err, engine, debug)) == NULL)
1339                         {
1340                         BIO_printf(err,"invalid engine \"%s\"\n", engine);
1341                         ERR_print_errors(err);
1342                         return NULL;
1343                         }
1344                 if (debug)
1345                         {
1346                         ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM,
1347                                 0, err, 0);
1348                         }
1349                 ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
1350                 if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
1351                         {
1352                         BIO_printf(err,"can't use that engine\n");
1353                         ERR_print_errors(err);
1354                         ENGINE_free(e);
1355                         return NULL;
1356                         }
1357
1358                 BIO_printf(err,"engine \"%s\" set.\n", ENGINE_get_id(e));
1359
1360                 /* Free our "structural" reference. */
1361                 ENGINE_free(e);
1362                 }
1363         return e;
1364         }
1365 #endif
1366
1367 int load_config(BIO *err, CONF *cnf)
1368         {
1369         if (!cnf)
1370                 cnf = config;
1371         if (!cnf)
1372                 return 1;
1373
1374         OPENSSL_load_builtin_modules();
1375
1376         if (CONF_modules_load(cnf, NULL, 0) <= 0)
1377                 {
1378                 BIO_printf(err, "Error configuring OpenSSL\n");
1379                 ERR_print_errors(err);
1380                 return 0;
1381                 }
1382         return 1;
1383         }
1384
1385 char *make_config_name()
1386         {
1387         const char *t=X509_get_default_cert_area();
1388         char *p;
1389
1390         p=OPENSSL_malloc(strlen(t)+strlen(OPENSSL_CONF)+2);
1391         strcpy(p,t);
1392 #ifndef OPENSSL_SYS_VMS
1393         strcat(p,"/");
1394 #endif
1395         strcat(p,OPENSSL_CONF);
1396
1397         return p;
1398         }
1399
1400 static unsigned long index_serial_hash(const char **a)
1401         {
1402         const char *n;
1403
1404         n=a[DB_serial];
1405         while (*n == '0') n++;
1406         return(lh_strhash(n));
1407         }
1408
1409 static int index_serial_cmp(const char **a, const char **b)
1410         {
1411         const char *aa,*bb;
1412
1413         for (aa=a[DB_serial]; *aa == '0'; aa++);
1414         for (bb=b[DB_serial]; *bb == '0'; bb++);
1415         return(strcmp(aa,bb));
1416         }
1417
1418 static int index_name_qual(char **a)
1419         { return(a[0][0] == 'V'); }
1420
1421 static unsigned long index_name_hash(const char **a)
1422         { return(lh_strhash(a[DB_name])); }
1423
1424 int index_name_cmp(const char **a, const char **b)
1425         { return(strcmp(a[DB_name],
1426              b[DB_name])); }
1427
1428 static IMPLEMENT_LHASH_HASH_FN(index_serial_hash,const char **)
1429 static IMPLEMENT_LHASH_COMP_FN(index_serial_cmp,const char **)
1430 static IMPLEMENT_LHASH_HASH_FN(index_name_hash,const char **)
1431 static IMPLEMENT_LHASH_COMP_FN(index_name_cmp,const char **)
1432
1433 #undef BSIZE
1434 #define BSIZE 256
1435
1436 BIGNUM *load_serial(char *serialfile, int create, ASN1_INTEGER **retai)
1437         {
1438         BIO *in=NULL;
1439         BIGNUM *ret=NULL;
1440         MS_STATIC char buf[1024];
1441         ASN1_INTEGER *ai=NULL;
1442
1443         ai=ASN1_INTEGER_new();
1444         if (ai == NULL) goto err;
1445
1446         if ((in=BIO_new(BIO_s_file())) == NULL)
1447                 {
1448                 ERR_print_errors(bio_err);
1449                 goto err;
1450                 }
1451
1452         if (BIO_read_filename(in,serialfile) <= 0)
1453                 {
1454                 if (!create)
1455                         {
1456                         perror(serialfile);
1457                         goto err;
1458                         }
1459                 else
1460                         {
1461                         ASN1_INTEGER_set(ai,1);
1462                         ret=BN_new();
1463                         if (ret == NULL)
1464                                 BIO_printf(bio_err, "Out of memory\n");
1465                         else
1466                                 BN_one(ret);
1467                         }
1468                 }
1469         else
1470                 {
1471                 if (!a2i_ASN1_INTEGER(in,ai,buf,1024))
1472                         {
1473                         BIO_printf(bio_err,"unable to load number from %s\n",
1474                                 serialfile);
1475                         goto err;
1476                         }
1477                 ret=ASN1_INTEGER_to_BN(ai,NULL);
1478                 if (ret == NULL)
1479                         {
1480                         BIO_printf(bio_err,"error converting number from bin to BIGNUM\n");
1481                         goto err;
1482                         }
1483                 }
1484
1485         if (ret && retai)
1486                 {
1487                 *retai = ai;
1488                 ai = NULL;
1489                 }
1490  err:
1491         if (in != NULL) BIO_free(in);
1492         if (ai != NULL) ASN1_INTEGER_free(ai);
1493         return(ret);
1494         }
1495
1496 int save_serial(char *serialfile, char *suffix, BIGNUM *serial, ASN1_INTEGER **retai)
1497         {
1498         char buf[1][BSIZE];
1499         BIO *out = NULL;
1500         int ret=0;
1501         ASN1_INTEGER *ai=NULL;
1502         int j;
1503
1504         if (suffix == NULL)
1505                 j = strlen(serialfile);
1506         else
1507                 j = strlen(serialfile) + strlen(suffix) + 1;
1508         if (j >= BSIZE)
1509                 {
1510                 BIO_printf(bio_err,"file name too long\n");
1511                 goto err;
1512                 }
1513
1514         if (suffix == NULL)
1515                 BUF_strlcpy(buf[0], serialfile, BSIZE);
1516         else
1517                 {
1518 #ifndef OPENSSL_SYS_VMS
1519                 j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", serialfile, suffix);
1520 #else
1521                 j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", serialfile, suffix);
1522 #endif
1523                 }
1524 #ifdef RL_DEBUG
1525         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1526 #endif
1527         out=BIO_new(BIO_s_file());
1528         if (out == NULL)
1529                 {
1530                 ERR_print_errors(bio_err);
1531                 goto err;
1532                 }
1533         if (BIO_write_filename(out,buf[0]) <= 0)
1534                 {
1535                 perror(serialfile);
1536                 goto err;
1537                 }
1538
1539         if ((ai=BN_to_ASN1_INTEGER(serial,NULL)) == NULL)
1540                 {
1541                 BIO_printf(bio_err,"error converting serial to ASN.1 format\n");
1542                 goto err;
1543                 }
1544         i2a_ASN1_INTEGER(out,ai);
1545         BIO_puts(out,"\n");
1546         ret=1;
1547         if (retai)
1548                 {
1549                 *retai = ai;
1550                 ai = NULL;
1551                 }
1552 err:
1553         if (out != NULL) BIO_free_all(out);
1554         if (ai != NULL) ASN1_INTEGER_free(ai);
1555         return(ret);
1556         }
1557
1558 int rotate_serial(char *serialfile, char *new_suffix, char *old_suffix)
1559         {
1560         char buf[5][BSIZE];
1561         int i,j;
1562         struct stat sb;
1563
1564         i = strlen(serialfile) + strlen(old_suffix);
1565         j = strlen(serialfile) + strlen(new_suffix);
1566         if (i > j) j = i;
1567         if (j + 1 >= BSIZE)
1568                 {
1569                 BIO_printf(bio_err,"file name too long\n");
1570                 goto err;
1571                 }
1572
1573 #ifndef OPENSSL_SYS_VMS
1574         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1575                 serialfile, new_suffix);
1576 #else
1577         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1578                 serialfile, new_suffix);
1579 #endif
1580 #ifndef OPENSSL_SYS_VMS
1581         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1582                 serialfile, old_suffix);
1583 #else
1584         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
1585                 serialfile, old_suffix);
1586 #endif
1587         if (stat(serialfile,&sb) < 0)
1588                 {
1589                 if (errno != ENOENT 
1590 #ifdef ENOTDIR
1591                         && errno != ENOTDIR)
1592 #endif
1593                         goto err;
1594                 }
1595         else
1596                 {
1597 #ifdef RL_DEBUG
1598                 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1599                         serialfile, buf[1]);
1600 #endif
1601                 if (rename(serialfile,buf[1]) < 0)
1602                         {
1603                         BIO_printf(bio_err,
1604                                 "unable to rename %s to %s\n",
1605                                 serialfile, buf[1]);
1606                         perror("reason");
1607                         goto err;
1608                         }
1609                 }
1610 #ifdef RL_DEBUG
1611         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1612                 buf[0],serialfile);
1613 #endif
1614         if (rename(buf[0],serialfile) < 0)
1615                 {
1616                 BIO_printf(bio_err,
1617                         "unable to rename %s to %s\n",
1618                         buf[0],serialfile);
1619                 perror("reason");
1620                 rename(buf[1],serialfile);
1621                 goto err;
1622                 }
1623         return 1;
1624  err:
1625         return 0;
1626         }
1627
1628 CA_DB *load_index(char *dbfile, DB_ATTR *db_attr)
1629         {
1630         CA_DB *retdb = NULL;
1631         TXT_DB *tmpdb = NULL;
1632         BIO *in = BIO_new(BIO_s_file());
1633         CONF *dbattr_conf = NULL;
1634         char buf[1][BSIZE];
1635         long errorline= -1;
1636
1637         if (in == NULL)
1638                 {
1639                 ERR_print_errors(bio_err);
1640                 goto err;
1641                 }
1642         if (BIO_read_filename(in,dbfile) <= 0)
1643                 {
1644                 perror(dbfile);
1645                 BIO_printf(bio_err,"unable to open '%s'\n",dbfile);
1646                 goto err;
1647                 }
1648         if ((tmpdb = TXT_DB_read(in,DB_NUMBER)) == NULL)
1649                 {
1650                 if (tmpdb != NULL) TXT_DB_free(tmpdb);
1651                 goto err;
1652                 }
1653
1654 #ifndef OPENSSL_SYS_VMS
1655         BIO_snprintf(buf[0], sizeof buf[0], "%s.attr", dbfile);
1656 #else
1657         BIO_snprintf(buf[0], sizeof buf[0], "%s-attr", dbfile);
1658 #endif
1659         dbattr_conf = NCONF_new(NULL);
1660         if (NCONF_load(dbattr_conf,buf[0],&errorline) <= 0)
1661                 {
1662                 if (errorline > 0)
1663                         {
1664                         BIO_printf(bio_err,
1665                                 "error on line %ld of db attribute file '%s'\n"
1666                                 ,errorline,buf[0]);
1667                         goto err;
1668                         }
1669                 else
1670                         {
1671                         NCONF_free(dbattr_conf);
1672                         dbattr_conf = NULL;
1673                         }
1674                 }
1675
1676         if ((retdb = OPENSSL_malloc(sizeof(CA_DB))) == NULL)
1677                 {
1678                 fprintf(stderr, "Out of memory\n");
1679                 goto err;
1680                 }
1681
1682         retdb->db = tmpdb;
1683         tmpdb = NULL;
1684         if (db_attr)
1685                 retdb->attributes = *db_attr;
1686         else
1687                 {
1688                 retdb->attributes.unique_subject = 1;
1689                 }
1690
1691         if (dbattr_conf)
1692                 {
1693                 char *p = NCONF_get_string(dbattr_conf,NULL,"unique_subject");
1694                 if (p)
1695                         {
1696 #ifdef RL_DEBUG
1697                         BIO_printf(bio_err, "DEBUG[load_index]: unique_subject = \"%s\"\n", p);
1698 #endif
1699                         switch(*p)
1700                                 {
1701                         case 'f': /* false */
1702                         case 'F': /* FALSE */
1703                         case 'n': /* no */
1704                         case 'N': /* NO */
1705                                 retdb->attributes.unique_subject = 0;
1706                                 break;
1707                         case 't': /* true */
1708                         case 'T': /* TRUE */
1709                         case 'y': /* yes */
1710                         case 'Y': /* YES */
1711                         default:
1712                                 retdb->attributes.unique_subject = 1;
1713                                 break;
1714                                 }
1715                         }
1716                 }
1717
1718  err:
1719         if (dbattr_conf) NCONF_free(dbattr_conf);
1720         if (tmpdb) TXT_DB_free(tmpdb);
1721         if (in) BIO_free_all(in);
1722         return retdb;
1723         }
1724
1725 int index_index(CA_DB *db)
1726         {
1727         if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1728                                 LHASH_HASH_FN(index_serial_hash),
1729                                 LHASH_COMP_FN(index_serial_cmp)))
1730                 {
1731                 BIO_printf(bio_err,
1732                   "error creating serial number index:(%ld,%ld,%ld)\n",
1733                                         db->db->error,db->db->arg1,db->db->arg2);
1734                         return 0;
1735                 }
1736
1737         if (db->attributes.unique_subject
1738                 && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1739                         LHASH_HASH_FN(index_name_hash),
1740                         LHASH_COMP_FN(index_name_cmp)))
1741                 {
1742                 BIO_printf(bio_err,"error creating name index:(%ld,%ld,%ld)\n",
1743                         db->db->error,db->db->arg1,db->db->arg2);
1744                 return 0;
1745                 }
1746         return 1;
1747         }
1748
1749 int save_index(char *dbfile, char *suffix, CA_DB *db)
1750         {
1751         char buf[3][BSIZE];
1752         BIO *out = BIO_new(BIO_s_file());
1753         int j;
1754
1755         if (out == NULL)
1756                 {
1757                 ERR_print_errors(bio_err);
1758                 goto err;
1759                 }
1760
1761         j = strlen(dbfile) + strlen(suffix);
1762         if (j + 6 >= BSIZE)
1763                 {
1764                 BIO_printf(bio_err,"file name too long\n");
1765                 goto err;
1766                 }
1767
1768 #ifndef OPENSSL_SYS_VMS
1769         j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr", dbfile);
1770 #else
1771         j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr", dbfile);
1772 #endif
1773 #ifndef OPENSSL_SYS_VMS
1774         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.attr.%s", dbfile, suffix);
1775 #else
1776         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-attr-%s", dbfile, suffix);
1777 #endif
1778 #ifndef OPENSSL_SYS_VMS
1779         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", dbfile, suffix);
1780 #else
1781         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", dbfile, suffix);
1782 #endif
1783 #ifdef RL_DEBUG
1784         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1785 #endif
1786         if (BIO_write_filename(out,buf[0]) <= 0)
1787                 {
1788                 perror(dbfile);
1789                 BIO_printf(bio_err,"unable to open '%s'\n", dbfile);
1790                 goto err;
1791                 }
1792         j=TXT_DB_write(out,db->db);
1793         if (j <= 0) goto err;
1794                         
1795         BIO_free(out);
1796
1797         out = BIO_new(BIO_s_file());
1798 #ifdef RL_DEBUG
1799         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[1]);
1800 #endif
1801         if (BIO_write_filename(out,buf[1]) <= 0)
1802                 {
1803                 perror(buf[2]);
1804                 BIO_printf(bio_err,"unable to open '%s'\n", buf[2]);
1805                 goto err;
1806                 }
1807         BIO_printf(out,"unique_subject = %s\n",
1808                 db->attributes.unique_subject ? "yes" : "no");
1809         BIO_free(out);
1810
1811         return 1;
1812  err:
1813         return 0;
1814         }
1815
1816 int rotate_index(char *dbfile, char *new_suffix, char *old_suffix)
1817         {
1818         char buf[5][BSIZE];
1819         int i,j;
1820         struct stat sb;
1821
1822         i = strlen(dbfile) + strlen(old_suffix);
1823         j = strlen(dbfile) + strlen(new_suffix);
1824         if (i > j) j = i;
1825         if (j + 6 >= BSIZE)
1826                 {
1827                 BIO_printf(bio_err,"file name too long\n");
1828                 goto err;
1829                 }
1830
1831 #ifndef OPENSSL_SYS_VMS
1832         j = BIO_snprintf(buf[4], sizeof buf[4], "%s.attr", dbfile);
1833 #else
1834         j = BIO_snprintf(buf[4], sizeof buf[4], "%s-attr", dbfile);
1835 #endif
1836 #ifndef OPENSSL_SYS_VMS
1837         j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr.%s",
1838                 dbfile, new_suffix);
1839 #else
1840         j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr-%s",
1841                 dbfile, new_suffix);
1842 #endif
1843 #ifndef OPENSSL_SYS_VMS
1844         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1845                 dbfile, new_suffix);
1846 #else
1847         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1848                 dbfile, new_suffix);
1849 #endif
1850 #ifndef OPENSSL_SYS_VMS
1851         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1852                 dbfile, old_suffix);
1853 #else
1854         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
1855                 dbfile, old_suffix);
1856 #endif
1857 #ifndef OPENSSL_SYS_VMS
1858         j = BIO_snprintf(buf[3], sizeof buf[3], "%s.attr.%s",
1859                 dbfile, old_suffix);
1860 #else
1861         j = BIO_snprintf(buf[3], sizeof buf[3], "%s-attr-%s",
1862                 dbfile, old_suffix);
1863 #endif
1864         if (stat(dbfile,&sb) < 0)
1865                 {
1866                 if (errno != ENOENT 
1867 #ifdef ENOTDIR
1868                         && errno != ENOTDIR)
1869 #endif
1870                         goto err;
1871                 }
1872         else
1873                 {
1874 #ifdef RL_DEBUG
1875                 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1876                         dbfile, buf[1]);
1877 #endif
1878                 if (rename(dbfile,buf[1]) < 0)
1879                         {
1880                         BIO_printf(bio_err,
1881                                 "unable to rename %s to %s\n",
1882                                 dbfile, buf[1]);
1883                         perror("reason");
1884                         goto err;
1885                         }
1886                 }
1887 #ifdef RL_DEBUG
1888         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1889                 buf[0],dbfile);
1890 #endif
1891         if (rename(buf[0],dbfile) < 0)
1892                 {
1893                 BIO_printf(bio_err,
1894                         "unable to rename %s to %s\n",
1895                         buf[0],dbfile);
1896                 perror("reason");
1897                 rename(buf[1],dbfile);
1898                 goto err;
1899                 }
1900         if (stat(buf[4],&sb) < 0)
1901                 {
1902                 if (errno != ENOENT 
1903 #ifdef ENOTDIR
1904                         && errno != ENOTDIR)
1905 #endif
1906                         goto err;
1907                 }
1908         else
1909                 {
1910 #ifdef RL_DEBUG
1911                 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1912                         buf[4],buf[3]);
1913 #endif
1914                 if (rename(buf[4],buf[3]) < 0)
1915                         {
1916                         BIO_printf(bio_err,
1917                                 "unable to rename %s to %s\n",
1918                                 buf[4], buf[3]);
1919                         perror("reason");
1920                         rename(dbfile,buf[0]);
1921                         rename(buf[1],dbfile);
1922                         goto err;
1923                         }
1924                 }
1925 #ifdef RL_DEBUG
1926         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1927                 buf[2],buf[4]);
1928 #endif
1929         if (rename(buf[2],buf[4]) < 0)
1930                 {
1931                 BIO_printf(bio_err,
1932                         "unable to rename %s to %s\n",
1933                         buf[2],buf[4]);
1934                 perror("reason");
1935                 rename(buf[3],buf[4]);
1936                 rename(dbfile,buf[0]);
1937                 rename(buf[1],dbfile);
1938                 goto err;
1939                 }
1940         return 1;
1941  err:
1942         return 0;
1943         }
1944
1945 void free_index(CA_DB *db)
1946         {
1947         if (db)
1948                 {
1949                 if (db->db) TXT_DB_free(db->db);
1950                 OPENSSL_free(db);
1951                 }
1952         }