0cdc1ad69bee9b57ff398db4c3a38fcadc4135c9
[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 #ifdef OPENSSL_SYS_WINDOWS
130 #define strcasecmp _stricmp
131 #else
132 #  ifdef NO_STRINGS_H
133     int strcasecmp();
134 #  else
135 #    include <strings.h>
136 #  endif /* NO_STRINGS_H */
137 #endif
138
139 #define NON_MAIN
140 #include "apps.h"
141 #undef NON_MAIN
142
143 typedef struct {
144         char *name;
145         unsigned long flag;
146         unsigned long mask;
147 } NAME_EX_TBL;
148
149 static UI_METHOD *ui_method = NULL;
150
151 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
152 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
153
154 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
155 /* Looks like this stuff is worth moving into separate function */
156 static EVP_PKEY *
157 load_netscape_key(BIO *err, BIO *key, const char *file,
158                 const char *key_descrip, int format);
159 #endif
160
161 int app_init(long mesgwin);
162 #ifdef undef /* never finished - probably never will be :-) */
163 int args_from_file(char *file, int *argc, char **argv[])
164         {
165         FILE *fp;
166         int num,i;
167         unsigned int len;
168         static char *buf=NULL;
169         static char **arg=NULL;
170         char *p;
171         struct stat stbuf;
172
173         if (stat(file,&stbuf) < 0) return(0);
174
175         fp=fopen(file,"r");
176         if (fp == NULL)
177                 return(0);
178
179         *argc=0;
180         *argv=NULL;
181
182         len=(unsigned int)stbuf.st_size;
183         if (buf != NULL) OPENSSL_free(buf);
184         buf=(char *)OPENSSL_malloc(len+1);
185         if (buf == NULL) return(0);
186
187         len=fread(buf,1,len,fp);
188         if (len <= 1) return(0);
189         buf[len]='\0';
190
191         i=0;
192         for (p=buf; *p; p++)
193                 if (*p == '\n') i++;
194         if (arg != NULL) OPENSSL_free(arg);
195         arg=(char **)OPENSSL_malloc(sizeof(char *)*(i*2));
196
197         *argv=arg;
198         num=0;
199         p=buf;
200         for (;;)
201                 {
202                 if (!*p) break;
203                 if (*p == '#') /* comment line */
204                         {
205                         while (*p && (*p != '\n')) p++;
206                         continue;
207                         }
208                 /* else we have a line */
209                 *(arg++)=p;
210                 num++;
211                 while (*p && ((*p != ' ') && (*p != '\t') && (*p != '\n')))
212                         p++;
213                 if (!*p) break;
214                 if (*p == '\n')
215                         {
216                         *(p++)='\0';
217                         continue;
218                         }
219                 /* else it is a tab or space */
220                 p++;
221                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
222                         p++;
223                 if (!*p) break;
224                 if (*p == '\n')
225                         {
226                         p++;
227                         continue;
228                         }
229                 *(arg++)=p++;
230                 num++;
231                 while (*p && (*p != '\n')) p++;
232                 if (!*p) break;
233                 /* else *p == '\n' */
234                 *(p++)='\0';
235                 }
236         *argc=num;
237         return(1);
238         }
239 #endif
240
241 int str2fmt(char *s)
242         {
243         if      ((*s == 'D') || (*s == 'd'))
244                 return(FORMAT_ASN1);
245         else if ((*s == 'T') || (*s == 't'))
246                 return(FORMAT_TEXT);
247         else if ((*s == 'P') || (*s == 'p'))
248                 return(FORMAT_PEM);
249         else if ((*s == 'N') || (*s == 'n'))
250                 return(FORMAT_NETSCAPE);
251         else if ((*s == 'S') || (*s == 's'))
252                 return(FORMAT_SMIME);
253         else if ((*s == '1')
254                 || (strcmp(s,"PKCS12") == 0) || (strcmp(s,"pkcs12") == 0)
255                 || (strcmp(s,"P12") == 0) || (strcmp(s,"p12") == 0))
256                 return(FORMAT_PKCS12);
257         else if ((*s == 'E') || (*s == 'e'))
258                 return(FORMAT_ENGINE);
259         else
260                 return(FORMAT_UNDEF);
261         }
262
263 #if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16)
264 void program_name(char *in, char *out, int size)
265         {
266         int i,n;
267         char *p=NULL;
268
269         n=strlen(in);
270         /* find the last '/', '\' or ':' */
271         for (i=n-1; i>0; i--)
272                 {
273                 if ((in[i] == '/') || (in[i] == '\\') || (in[i] == ':'))
274                         {
275                         p= &(in[i+1]);
276                         break;
277                         }
278                 }
279         if (p == NULL)
280                 p=in;
281         n=strlen(p);
282         /* strip off trailing .exe if present. */
283         if ((n > 4) && (p[n-4] == '.') &&
284                 ((p[n-3] == 'e') || (p[n-3] == 'E')) &&
285                 ((p[n-2] == 'x') || (p[n-2] == 'X')) &&
286                 ((p[n-1] == 'e') || (p[n-1] == 'E')))
287                 n-=4;
288         if (n > size-1)
289                 n=size-1;
290
291         for (i=0; i<n; i++)
292                 {
293                 if ((p[i] >= 'A') && (p[i] <= 'Z'))
294                         out[i]=p[i]-'A'+'a';
295                 else
296                         out[i]=p[i];
297                 }
298         out[n]='\0';
299         }
300 #else
301 #ifdef OPENSSL_SYS_VMS
302 void program_name(char *in, char *out, int size)
303         {
304         char *p=in, *q;
305         char *chars=":]>";
306
307         while(*chars != '\0')
308                 {
309                 q=strrchr(p,*chars);
310                 if (q > p)
311                         p = q + 1;
312                 chars++;
313                 }
314
315         q=strrchr(p,'.');
316         if (q == NULL)
317                 q = p + strlen(p);
318         strncpy(out,p,size-1);
319         if (q-p >= size)
320                 {
321                 out[size-1]='\0';
322                 }
323         else
324                 {
325                 out[q-p]='\0';
326                 }
327         }
328 #else
329 void program_name(char *in, char *out, int size)
330         {
331         char *p;
332
333         p=strrchr(in,'/');
334         if (p != NULL)
335                 p++;
336         else
337                 p=in;
338         BUF_strlcpy(out,p,size);
339         }
340 #endif
341 #endif
342
343 #ifdef OPENSSL_SYS_WIN32
344 int WIN32_rename(char *from, char *to)
345         {
346 #ifndef OPENSSL_SYS_WINCE
347         /* Windows rename gives an error if 'to' exists, so delete it
348          * first and ignore file not found errror
349          */
350         if((remove(to) != 0) && (errno != ENOENT))
351                 return -1;
352 #undef rename
353         return rename(from, to);
354 #else
355         /* convert strings to UNICODE */
356         {
357         BOOL result = FALSE;
358         WCHAR* wfrom;
359         WCHAR* wto;
360         int i;
361         wfrom = malloc((strlen(from)+1)*2);
362         wto = malloc((strlen(to)+1)*2);
363         if (wfrom != NULL && wto != NULL)
364                 {
365                 for (i=0; i<(int)strlen(from)+1; i++)
366                         wfrom[i] = (short)from[i];
367                 for (i=0; i<(int)strlen(to)+1; i++)
368                         wto[i] = (short)to[i];
369                 result = MoveFile(wfrom, wto);
370                 }
371         if (wfrom != NULL)
372                 free(wfrom);
373         if (wto != NULL)
374                 free(wto);
375         return result;
376         }
377 #endif
378         }
379 #endif
380
381 #ifdef OPENSSL_SYS_VMS
382 int VMS_strcasecmp(const char *str1, const char *str2)
383         {
384         while (*str1 && *str2)
385                 {
386                 int res = toupper(*str1) - toupper(*str2);
387                 if (res) return res < 0 ? -1 : 1;
388                 }
389         if (*str1)
390                 return 1;
391         if (*str2)
392                 return -1;
393         return 0;
394         }
395 #endif
396
397 int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
398         {
399         int num,len,i;
400         char *p;
401
402         *argc=0;
403         *argv=NULL;
404
405         len=strlen(buf);
406         i=0;
407         if (arg->count == 0)
408                 {
409                 arg->count=20;
410                 arg->data=(char **)OPENSSL_malloc(sizeof(char *)*arg->count);
411                 }
412         for (i=0; i<arg->count; i++)
413                 arg->data[i]=NULL;
414
415         num=0;
416         p=buf;
417         for (;;)
418                 {
419                 /* first scan over white space */
420                 if (!*p) break;
421                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
422                         p++;
423                 if (!*p) break;
424
425                 /* The start of something good :-) */
426                 if (num >= arg->count)
427                         {
428                         arg->count+=20;
429                         arg->data=(char **)OPENSSL_realloc(arg->data,
430                                 sizeof(char *)*arg->count);
431                         if (argc == 0) return(0);
432                         }
433                 arg->data[num++]=p;
434
435                 /* now look for the end of this */
436                 if ((*p == '\'') || (*p == '\"')) /* scan for closing quote */
437                         {
438                         i= *(p++);
439                         arg->data[num-1]++; /* jump over quote */
440                         while (*p && (*p != i))
441                                 p++;
442                         *p='\0';
443                         }
444                 else
445                         {
446                         while (*p && ((*p != ' ') &&
447                                 (*p != '\t') && (*p != '\n')))
448                                 p++;
449
450                         if (*p == '\0')
451                                 p--;
452                         else
453                                 *p='\0';
454                         }
455                 p++;
456                 }
457         *argc=num;
458         *argv=arg->data;
459         return(1);
460         }
461
462 #ifndef APP_INIT
463 int app_init(long mesgwin)
464         {
465         return(1);
466         }
467 #endif
468
469
470 int dump_cert_text (BIO *out, X509 *x)
471 {
472         char *p;
473
474         p=X509_NAME_oneline(X509_get_subject_name(x),NULL,0);
475         BIO_puts(out,"subject=");
476         BIO_puts(out,p);
477         OPENSSL_free(p);
478
479         p=X509_NAME_oneline(X509_get_issuer_name(x),NULL,0);
480         BIO_puts(out,"\nissuer=");
481         BIO_puts(out,p);
482         BIO_puts(out,"\n");
483         OPENSSL_free(p);
484
485         return 0;
486 }
487
488 static int ui_open(UI *ui)
489         {
490         return UI_method_get_opener(UI_OpenSSL())(ui);
491         }
492 static int ui_read(UI *ui, UI_STRING *uis)
493         {
494         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
495                 && UI_get0_user_data(ui))
496                 {
497                 switch(UI_get_string_type(uis))
498                         {
499                 case UIT_PROMPT:
500                 case UIT_VERIFY:
501                         {
502                         const char *password =
503                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
504                         if (password[0] != '\0')
505                                 {
506                                 UI_set_result(ui, uis, password);
507                                 return 1;
508                                 }
509                         }
510                 default:
511                         break;
512                         }
513                 }
514         return UI_method_get_reader(UI_OpenSSL())(ui, uis);
515         }
516 static int ui_write(UI *ui, UI_STRING *uis)
517         {
518         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
519                 && UI_get0_user_data(ui))
520                 {
521                 switch(UI_get_string_type(uis))
522                         {
523                 case UIT_PROMPT:
524                 case UIT_VERIFY:
525                         {
526                         const char *password =
527                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
528                         if (password[0] != '\0')
529                                 return 1;
530                         }
531                 default:
532                         break;
533                         }
534                 }
535         return UI_method_get_writer(UI_OpenSSL())(ui, uis);
536         }
537 static int ui_close(UI *ui)
538         {
539         return UI_method_get_closer(UI_OpenSSL())(ui);
540         }
541 int setup_ui_method(void)
542         {
543         ui_method = UI_create_method("OpenSSL application user interface");
544         UI_method_set_opener(ui_method, ui_open);
545         UI_method_set_reader(ui_method, ui_read);
546         UI_method_set_writer(ui_method, ui_write);
547         UI_method_set_closer(ui_method, ui_close);
548         return 0;
549         }
550 void destroy_ui_method(void)
551         {
552         if(ui_method)
553                 {
554                 UI_destroy_method(ui_method);
555                 ui_method = NULL;
556                 }
557         }
558 int password_callback(char *buf, int bufsiz, int verify,
559         PW_CB_DATA *cb_tmp)
560         {
561         UI *ui = NULL;
562         int res = 0;
563         const char *prompt_info = NULL;
564         const char *password = NULL;
565         PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp;
566
567         if (cb_data)
568                 {
569                 if (cb_data->password)
570                         password = cb_data->password;
571                 if (cb_data->prompt_info)
572                         prompt_info = cb_data->prompt_info;
573                 }
574
575         if (password)
576                 {
577                 res = strlen(password);
578                 if (res > bufsiz)
579                         res = bufsiz;
580                 memcpy(buf, password, res);
581                 return res;
582                 }
583
584         ui = UI_new_method(ui_method);
585         if (ui)
586                 {
587                 int ok = 0;
588                 char *buff = NULL;
589                 int ui_flags = 0;
590                 char *prompt = NULL;
591
592                 prompt = UI_construct_prompt(ui, "pass phrase",
593                         cb_data->prompt_info);
594
595                 ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
596                 UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
597
598                 if (ok >= 0)
599                         ok = UI_add_input_string(ui,prompt,ui_flags,buf,
600                                 PW_MIN_LENGTH,BUFSIZ-1);
601                 if (ok >= 0 && verify)
602                         {
603                         buff = (char *)OPENSSL_malloc(bufsiz);
604                         ok = UI_add_verify_string(ui,prompt,ui_flags,buff,
605                                 PW_MIN_LENGTH,BUFSIZ-1, buf);
606                         }
607                 if (ok >= 0)
608                         do
609                                 {
610                                 ok = UI_process(ui);
611                                 }
612                         while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
613
614                 if (buff)
615                         {
616                         OPENSSL_cleanse(buff,(unsigned int)bufsiz);
617                         OPENSSL_free(buff);
618                         }
619
620                 if (ok >= 0)
621                         res = strlen(buf);
622                 if (ok == -1)
623                         {
624                         BIO_printf(bio_err, "User interface error\n");
625                         ERR_print_errors(bio_err);
626                         OPENSSL_cleanse(buf,(unsigned int)bufsiz);
627                         res = 0;
628                         }
629                 if (ok == -2)
630                         {
631                         BIO_printf(bio_err,"aborted!\n");
632                         OPENSSL_cleanse(buf,(unsigned int)bufsiz);
633                         res = 0;
634                         }
635                 UI_free(ui);
636                 OPENSSL_free(prompt);
637                 }
638         return res;
639         }
640
641 static char *app_get_pass(BIO *err, char *arg, int keepbio);
642
643 int app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2)
644 {
645         int same;
646         if(!arg2 || !arg1 || strcmp(arg1, arg2)) same = 0;
647         else same = 1;
648         if(arg1) {
649                 *pass1 = app_get_pass(err, arg1, same);
650                 if(!*pass1) return 0;
651         } else if(pass1) *pass1 = NULL;
652         if(arg2) {
653                 *pass2 = app_get_pass(err, arg2, same ? 2 : 0);
654                 if(!*pass2) return 0;
655         } else if(pass2) *pass2 = NULL;
656         return 1;
657 }
658
659 static char *app_get_pass(BIO *err, char *arg, int keepbio)
660 {
661         char *tmp, tpass[APP_PASS_LEN];
662         static BIO *pwdbio = NULL;
663         int i;
664         if(!strncmp(arg, "pass:", 5)) return BUF_strdup(arg + 5);
665         if(!strncmp(arg, "env:", 4)) {
666                 tmp = getenv(arg + 4);
667                 if(!tmp) {
668                         BIO_printf(err, "Can't read environment variable %s\n", arg + 4);
669                         return NULL;
670                 }
671                 return BUF_strdup(tmp);
672         }
673         if(!keepbio || !pwdbio) {
674                 if(!strncmp(arg, "file:", 5)) {
675                         pwdbio = BIO_new_file(arg + 5, "r");
676                         if(!pwdbio) {
677                                 BIO_printf(err, "Can't open file %s\n", arg + 5);
678                                 return NULL;
679                         }
680                 } else if(!strncmp(arg, "fd:", 3)) {
681                         BIO *btmp;
682                         i = atoi(arg + 3);
683                         if(i >= 0) pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
684                         if((i < 0) || !pwdbio) {
685                                 BIO_printf(err, "Can't access file descriptor %s\n", arg + 3);
686                                 return NULL;
687                         }
688                         /* Can't do BIO_gets on an fd BIO so add a buffering BIO */
689                         btmp = BIO_new(BIO_f_buffer());
690                         pwdbio = BIO_push(btmp, pwdbio);
691                 } else if(!strcmp(arg, "stdin")) {
692                         pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE);
693                         if(!pwdbio) {
694                                 BIO_printf(err, "Can't open BIO for stdin\n");
695                                 return NULL;
696                         }
697                 } else {
698                         BIO_printf(err, "Invalid password argument \"%s\"\n", arg);
699                         return NULL;
700                 }
701         }
702         i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
703         if(keepbio != 1) {
704                 BIO_free_all(pwdbio);
705                 pwdbio = NULL;
706         }
707         if(i <= 0) {
708                 BIO_printf(err, "Error reading password from BIO\n");
709                 return NULL;
710         }
711         tmp = strchr(tpass, '\n');
712         if(tmp) *tmp = 0;
713         return BUF_strdup(tpass);
714 }
715
716 int add_oid_section(BIO *err, CONF *conf)
717 {       
718         char *p;
719         STACK_OF(CONF_VALUE) *sktmp;
720         CONF_VALUE *cnf;
721         int i;
722         if(!(p=NCONF_get_string(conf,NULL,"oid_section")))
723                 {
724                 ERR_clear_error();
725                 return 1;
726                 }
727         if(!(sktmp = NCONF_get_section(conf, p))) {
728                 BIO_printf(err, "problem loading oid section %s\n", p);
729                 return 0;
730         }
731         for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
732                 cnf = sk_CONF_VALUE_value(sktmp, i);
733                 if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
734                         BIO_printf(err, "problem creating object %s=%s\n",
735                                                          cnf->name, cnf->value);
736                         return 0;
737                 }
738         }
739         return 1;
740 }
741
742 X509 *load_cert(BIO *err, const char *file, int format,
743         const char *pass, ENGINE *e, const char *cert_descrip)
744         {
745         ASN1_HEADER *ah=NULL;
746         BUF_MEM *buf=NULL;
747         X509 *x=NULL;
748         BIO *cert;
749
750         if ((cert=BIO_new(BIO_s_file())) == NULL)
751                 {
752                 ERR_print_errors(err);
753                 goto end;
754                 }
755
756         if (file == NULL)
757                 {
758                 setvbuf(stdin, NULL, _IONBF, 0);
759                 BIO_set_fp(cert,stdin,BIO_NOCLOSE);
760                 }
761         else
762                 {
763                 if (BIO_read_filename(cert,file) <= 0)
764                         {
765                         BIO_printf(err, "Error opening %s %s\n",
766                                 cert_descrip, file);
767                         ERR_print_errors(err);
768                         goto end;
769                         }
770                 }
771
772         if      (format == FORMAT_ASN1)
773                 x=d2i_X509_bio(cert,NULL);
774         else if (format == FORMAT_NETSCAPE)
775                 {
776                 unsigned char *p,*op;
777                 int size=0,i;
778
779                 /* We sort of have to do it this way because it is sort of nice
780                  * to read the header first and check it, then
781                  * try to read the certificate */
782                 buf=BUF_MEM_new();
783                 for (;;)
784                         {
785                         if ((buf == NULL) || (!BUF_MEM_grow(buf,size+1024*10)))
786                                 goto end;
787                         i=BIO_read(cert,&(buf->data[size]),1024*10);
788                         size+=i;
789                         if (i == 0) break;
790                         if (i < 0)
791                                 {
792                                 perror("reading certificate");
793                                 goto end;
794                                 }
795                         }
796                 p=(unsigned char *)buf->data;
797                 op=p;
798
799                 /* First load the header */
800                 if ((ah=d2i_ASN1_HEADER(NULL,&p,(long)size)) == NULL)
801                         goto end;
802                 if ((ah->header == NULL) || (ah->header->data == NULL) ||
803                         (strncmp(NETSCAPE_CERT_HDR,(char *)ah->header->data,
804                         ah->header->length) != 0))
805                         {
806                         BIO_printf(err,"Error reading header on certificate\n");
807                         goto end;
808                         }
809                 /* header is ok, so now read the object */
810                 p=op;
811                 ah->meth=X509_asn1_meth();
812                 if ((ah=d2i_ASN1_HEADER(&ah,&p,(long)size)) == NULL)
813                         goto end;
814                 x=(X509 *)ah->data;
815                 ah->data=NULL;
816                 }
817         else if (format == FORMAT_PEM)
818                 x=PEM_read_bio_X509_AUX(cert,NULL,
819                         (pem_password_cb *)password_callback, NULL);
820         else if (format == FORMAT_PKCS12)
821                 {
822                 PKCS12 *p12 = d2i_PKCS12_bio(cert, NULL);
823
824                 PKCS12_parse(p12, NULL, NULL, &x, NULL);
825                 PKCS12_free(p12);
826                 p12 = NULL;
827                 }
828         else    {
829                 BIO_printf(err,"bad input format specified for %s\n",
830                         cert_descrip);
831                 goto end;
832                 }
833 end:
834         if (x == NULL)
835                 {
836                 BIO_printf(err,"unable to load certificate\n");
837                 ERR_print_errors(err);
838                 }
839         if (ah != NULL) ASN1_HEADER_free(ah);
840         if (cert != NULL) BIO_free(cert);
841         if (buf != NULL) BUF_MEM_free(buf);
842         return(x);
843         }
844
845 EVP_PKEY *load_key(BIO *err, const char *file, int format, int maybe_stdin,
846         const char *pass, ENGINE *e, const char *key_descrip)
847         {
848         BIO *key=NULL;
849         EVP_PKEY *pkey=NULL;
850         PW_CB_DATA cb_data;
851
852         cb_data.password = pass;
853         cb_data.prompt_info = file;
854
855         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
856                 {
857                 BIO_printf(err,"no keyfile specified\n");
858                 goto end;
859                 }
860 #ifndef OPENSSL_NO_ENGINE
861         if (format == FORMAT_ENGINE)
862                 {
863                 if (!e)
864                         BIO_printf(bio_err,"no engine specified\n");
865                 else
866                         pkey = ENGINE_load_private_key(e, file,
867                                 ui_method, &cb_data);
868                 goto end;
869                 }
870 #endif
871         key=BIO_new(BIO_s_file());
872         if (key == NULL)
873                 {
874                 ERR_print_errors(err);
875                 goto end;
876                 }
877         if (file == NULL && maybe_stdin)
878                 {
879                 setvbuf(stdin, NULL, _IONBF, 0);
880                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
881                 }
882         else
883                 if (BIO_read_filename(key,file) <= 0)
884                         {
885                         BIO_printf(err, "Error opening %s %s\n",
886                                 key_descrip, file);
887                         ERR_print_errors(err);
888                         goto end;
889                         }
890         if (format == FORMAT_ASN1)
891                 {
892                 pkey=d2i_PrivateKey_bio(key, NULL);
893                 }
894         else if (format == FORMAT_PEM)
895                 {
896                 pkey=PEM_read_bio_PrivateKey(key,NULL,
897                         (pem_password_cb *)password_callback, &cb_data);
898                 }
899 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
900         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
901                 pkey = load_netscape_key(err, key, file, key_descrip, format);
902 #endif
903         else if (format == FORMAT_PKCS12)
904                 {
905                 PKCS12 *p12 = d2i_PKCS12_bio(key, NULL);
906
907                 PKCS12_parse(p12, pass, &pkey, NULL, NULL);
908                 PKCS12_free(p12);
909                 p12 = NULL;
910                 }
911         else
912                 {
913                 BIO_printf(err,"bad input format specified for key file\n");
914                 goto end;
915                 }
916  end:
917         if (key != NULL) BIO_free(key);
918         if (pkey == NULL)
919                 BIO_printf(err,"unable to load %s\n", key_descrip);
920         return(pkey);
921         }
922
923 EVP_PKEY *load_pubkey(BIO *err, const char *file, int format, int maybe_stdin,
924         const char *pass, ENGINE *e, const char *key_descrip)
925         {
926         BIO *key=NULL;
927         EVP_PKEY *pkey=NULL;
928         PW_CB_DATA cb_data;
929
930         cb_data.password = pass;
931         cb_data.prompt_info = file;
932
933         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
934                 {
935                 BIO_printf(err,"no keyfile specified\n");
936                 goto end;
937                 }
938 #ifndef OPENSSL_NO_ENGINE
939         if (format == FORMAT_ENGINE)
940                 {
941                 if (!e)
942                         BIO_printf(bio_err,"no engine specified\n");
943                 else
944                         pkey = ENGINE_load_public_key(e, file,
945                                 ui_method, &cb_data);
946                 goto end;
947                 }
948 #endif
949         key=BIO_new(BIO_s_file());
950         if (key == NULL)
951                 {
952                 ERR_print_errors(err);
953                 goto end;
954                 }
955         if (file == NULL && maybe_stdin)
956                 {
957                 setvbuf(stdin, NULL, _IONBF, 0);
958                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
959                 }
960         else
961                 if (BIO_read_filename(key,file) <= 0)
962                         {
963                         BIO_printf(err, "Error opening %s %s\n",
964                                 key_descrip, file);
965                         ERR_print_errors(err);
966                         goto end;
967                 }
968         if (format == FORMAT_ASN1)
969                 {
970                 pkey=d2i_PUBKEY_bio(key, NULL);
971                 }
972         else if (format == FORMAT_PEM)
973                 {
974                 pkey=PEM_read_bio_PUBKEY(key,NULL,
975                         (pem_password_cb *)password_callback, &cb_data);
976                 }
977 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
978         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
979                 pkey = load_netscape_key(err, key, file, key_descrip, format);
980 #endif
981         else
982                 {
983                 BIO_printf(err,"bad input format specified for key file\n");
984                 goto end;
985                 }
986  end:
987         if (key != NULL) BIO_free(key);
988         if (pkey == NULL)
989                 BIO_printf(err,"unable to load %s\n", key_descrip);
990         return(pkey);
991         }
992
993 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
994 static EVP_PKEY *
995 load_netscape_key(BIO *err, BIO *key, const char *file,
996                 const char *key_descrip, int format)
997         {
998         EVP_PKEY *pkey;
999         BUF_MEM *buf;
1000         RSA     *rsa;
1001         const unsigned char *p;
1002         int size, i;
1003
1004         buf=BUF_MEM_new();
1005         pkey = EVP_PKEY_new();
1006         size = 0;
1007         if (buf == NULL || pkey == NULL)
1008                 goto error;
1009         for (;;)
1010                 {
1011                 if (!BUF_MEM_grow_clean(buf,size+1024*10))
1012                         goto error;
1013                 i = BIO_read(key, &(buf->data[size]), 1024*10);
1014                 size += i;
1015                 if (i == 0)
1016                         break;
1017                 if (i < 0)
1018                         {
1019                                 BIO_printf(err, "Error reading %s %s",
1020                                         key_descrip, file);
1021                                 goto error;
1022                         }
1023                 }
1024         p=(unsigned char *)buf->data;
1025         rsa = d2i_RSA_NET(NULL,&p,(long)size,NULL,
1026                 (format == FORMAT_IISSGC ? 1 : 0));
1027         if (rsa == NULL)
1028                 goto error;
1029         BUF_MEM_free(buf);
1030         EVP_PKEY_set1_RSA(pkey, rsa);
1031         return pkey;
1032 error:
1033         BUF_MEM_free(buf);
1034         EVP_PKEY_free(pkey);
1035         return NULL;
1036         }
1037 #endif /* ndef OPENSSL_NO_RC4 */
1038
1039 STACK_OF(X509) *load_certs(BIO *err, const char *file, int format,
1040         const char *pass, ENGINE *e, const char *cert_descrip)
1041         {
1042         BIO *certs;
1043         int i;
1044         STACK_OF(X509) *othercerts = NULL;
1045         STACK_OF(X509_INFO) *allcerts = NULL;
1046         X509_INFO *xi;
1047         PW_CB_DATA cb_data;
1048
1049         cb_data.password = pass;
1050         cb_data.prompt_info = file;
1051
1052         if((certs = BIO_new(BIO_s_file())) == NULL)
1053                 {
1054                 ERR_print_errors(err);
1055                 goto end;
1056                 }
1057
1058         if (file == NULL)
1059                 BIO_set_fp(certs,stdin,BIO_NOCLOSE);
1060         else
1061                 {
1062                 if (BIO_read_filename(certs,file) <= 0)
1063                         {
1064                         BIO_printf(err, "Error opening %s %s\n",
1065                                 cert_descrip, file);
1066                         ERR_print_errors(err);
1067                         goto end;
1068                         }
1069                 }
1070
1071         if      (format == FORMAT_PEM)
1072                 {
1073                 othercerts = sk_X509_new_null();
1074                 if(!othercerts)
1075                         {
1076                         sk_X509_free(othercerts);
1077                         othercerts = NULL;
1078                         goto end;
1079                         }
1080                 allcerts = PEM_X509_INFO_read_bio(certs, NULL,
1081                                 (pem_password_cb *)password_callback, &cb_data);
1082                 for(i = 0; i < sk_X509_INFO_num(allcerts); i++)
1083                         {
1084                         xi = sk_X509_INFO_value (allcerts, i);
1085                         if (xi->x509)
1086                                 {
1087                                 sk_X509_push(othercerts, xi->x509);
1088                                 xi->x509 = NULL;
1089                                 }
1090                         }
1091                 goto end;
1092                 }
1093         else    {
1094                 BIO_printf(err,"bad input format specified for %s\n",
1095                         cert_descrip);
1096                 goto end;
1097                 }
1098 end:
1099         if (othercerts == NULL)
1100                 {
1101                 BIO_printf(err,"unable to load certificates\n");
1102                 ERR_print_errors(err);
1103                 }
1104         if (allcerts) sk_X509_INFO_pop_free(allcerts, X509_INFO_free);
1105         if (certs != NULL) BIO_free(certs);
1106         return(othercerts);
1107         }
1108
1109
1110 #define X509V3_EXT_UNKNOWN_MASK         (0xfL << 16)
1111 /* Return error for unknown extensions */
1112 #define X509V3_EXT_DEFAULT              0
1113 /* Print error for unknown extensions */
1114 #define X509V3_EXT_ERROR_UNKNOWN        (1L << 16)
1115 /* ASN1 parse unknown extensions */
1116 #define X509V3_EXT_PARSE_UNKNOWN        (2L << 16)
1117 /* BIO_dump unknown extensions */
1118 #define X509V3_EXT_DUMP_UNKNOWN         (3L << 16)
1119
1120 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1121                          X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1122
1123 int set_cert_ex(unsigned long *flags, const char *arg)
1124 {
1125         static const NAME_EX_TBL cert_tbl[] = {
1126                 { "compatible", X509_FLAG_COMPAT, 0xffffffffl},
1127                 { "ca_default", X509_FLAG_CA, 0xffffffffl},
1128                 { "no_header", X509_FLAG_NO_HEADER, 0},
1129                 { "no_version", X509_FLAG_NO_VERSION, 0},
1130                 { "no_serial", X509_FLAG_NO_SERIAL, 0},
1131                 { "no_signame", X509_FLAG_NO_SIGNAME, 0},
1132                 { "no_validity", X509_FLAG_NO_VALIDITY, 0},
1133                 { "no_subject", X509_FLAG_NO_SUBJECT, 0},
1134                 { "no_issuer", X509_FLAG_NO_ISSUER, 0},
1135                 { "no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1136                 { "no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1137                 { "no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1138                 { "no_aux", X509_FLAG_NO_AUX, 0},
1139                 { "no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1140                 { "ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1141                 { "ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1142                 { "ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1143                 { "ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1144                 { NULL, 0, 0}
1145         };
1146         return set_multi_opts(flags, arg, cert_tbl);
1147 }
1148
1149 int set_name_ex(unsigned long *flags, const char *arg)
1150 {
1151         static const NAME_EX_TBL ex_tbl[] = {
1152                 { "esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1153                 { "esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1154                 { "esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1155                 { "use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1156                 { "utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1157                 { "ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1158                 { "show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1159                 { "dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1160                 { "dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1161                 { "dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1162                 { "compat", XN_FLAG_COMPAT, 0xffffffffL},
1163                 { "sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1164                 { "sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1165                 { "sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1166                 { "sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1167                 { "dn_rev", XN_FLAG_DN_REV, 0},
1168                 { "nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1169                 { "sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1170                 { "lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1171                 { "align", XN_FLAG_FN_ALIGN, 0},
1172                 { "oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1173                 { "space_eq", XN_FLAG_SPC_EQ, 0},
1174                 { "dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1175                 { "RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1176                 { "oneline", XN_FLAG_ONELINE, 0xffffffffL},
1177                 { "multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1178                 { "ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1179                 { NULL, 0, 0}
1180         };
1181         return set_multi_opts(flags, arg, ex_tbl);
1182 }
1183
1184 int set_ext_copy(int *copy_type, const char *arg)
1185 {
1186         if (!strcasecmp(arg, "none"))
1187                 *copy_type = EXT_COPY_NONE;
1188         else if (!strcasecmp(arg, "copy"))
1189                 *copy_type = EXT_COPY_ADD;
1190         else if (!strcasecmp(arg, "copyall"))
1191                 *copy_type = EXT_COPY_ALL;
1192         else
1193                 return 0;
1194         return 1;
1195 }
1196
1197 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1198 {
1199         STACK_OF(X509_EXTENSION) *exts = NULL;
1200         X509_EXTENSION *ext, *tmpext;
1201         ASN1_OBJECT *obj;
1202         int i, idx, ret = 0;
1203         if (!x || !req || (copy_type == EXT_COPY_NONE))
1204                 return 1;
1205         exts = X509_REQ_get_extensions(req);
1206
1207         for(i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1208                 ext = sk_X509_EXTENSION_value(exts, i);
1209                 obj = X509_EXTENSION_get_object(ext);
1210                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1211                 /* Does extension exist? */
1212                 if (idx != -1) {
1213                         /* If normal copy don't override existing extension */
1214                         if (copy_type == EXT_COPY_ADD)
1215                                 continue;
1216                         /* Delete all extensions of same type */
1217                         do {
1218                                 tmpext = X509_get_ext(x, idx);
1219                                 X509_delete_ext(x, idx);
1220                                 X509_EXTENSION_free(tmpext);
1221                                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1222                         } while (idx != -1);
1223                 }
1224                 if (!X509_add_ext(x, ext, -1))
1225                         goto end;
1226         }
1227
1228         ret = 1;
1229
1230         end:
1231
1232         sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1233
1234         return ret;
1235 }
1236                 
1237                 
1238                         
1239
1240 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1241 {
1242         STACK_OF(CONF_VALUE) *vals;
1243         CONF_VALUE *val;
1244         int i, ret = 1;
1245         if(!arg) return 0;
1246         vals = X509V3_parse_list(arg);
1247         for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1248                 val = sk_CONF_VALUE_value(vals, i);
1249                 if (!set_table_opts(flags, val->name, in_tbl))
1250                         ret = 0;
1251         }
1252         sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1253         return ret;
1254 }
1255
1256 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1257 {
1258         char c;
1259         const NAME_EX_TBL *ptbl;
1260         c = arg[0];
1261
1262         if(c == '-') {
1263                 c = 0;
1264                 arg++;
1265         } else if (c == '+') {
1266                 c = 1;
1267                 arg++;
1268         } else c = 1;
1269
1270         for(ptbl = in_tbl; ptbl->name; ptbl++) {
1271                 if(!strcasecmp(arg, ptbl->name)) {
1272                         *flags &= ~ptbl->mask;
1273                         if(c) *flags |= ptbl->flag;
1274                         else *flags &= ~ptbl->flag;
1275                         return 1;
1276                 }
1277         }
1278         return 0;
1279 }
1280
1281 void print_name(BIO *out, char *title, X509_NAME *nm, unsigned long lflags)
1282 {
1283         char *buf;
1284         char mline = 0;
1285         int indent = 0;
1286
1287         if(title) BIO_puts(out, title);
1288         if((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1289                 mline = 1;
1290                 indent = 4;
1291         }
1292         if(lflags == XN_FLAG_COMPAT) {
1293                 buf = X509_NAME_oneline(nm, 0, 0);
1294                 BIO_puts(out, buf);
1295                 BIO_puts(out, "\n");
1296                 OPENSSL_free(buf);
1297         } else {
1298                 if(mline) BIO_puts(out, "\n");
1299                 X509_NAME_print_ex(out, nm, indent, lflags);
1300                 BIO_puts(out, "\n");
1301         }
1302 }
1303
1304 X509_STORE *setup_verify(BIO *bp, char *CAfile, char *CApath)
1305 {
1306         X509_STORE *store;
1307         X509_LOOKUP *lookup;
1308         if(!(store = X509_STORE_new())) goto end;
1309         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file());
1310         if (lookup == NULL) goto end;
1311         if (CAfile) {
1312                 if(!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) {
1313                         BIO_printf(bp, "Error loading file %s\n", CAfile);
1314                         goto end;
1315                 }
1316         } else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
1317                 
1318         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir());
1319         if (lookup == NULL) goto end;
1320         if (CApath) {
1321                 if(!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) {
1322                         BIO_printf(bp, "Error loading directory %s\n", CApath);
1323                         goto end;
1324                 }
1325         } else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
1326
1327         ERR_clear_error();
1328         return store;
1329         end:
1330         X509_STORE_free(store);
1331         return NULL;
1332 }
1333
1334 #ifndef OPENSSL_NO_ENGINE
1335 /* Try to load an engine in a shareable library */
1336 static ENGINE *try_load_engine(BIO *err, const char *engine, int debug)
1337         {
1338         ENGINE *e = ENGINE_by_id("dynamic");
1339         if (e)
1340                 {
1341                 if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
1342                         || !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0))
1343                         {
1344                         ENGINE_free(e);
1345                         e = NULL;
1346                         }
1347                 }
1348         return e;
1349         }
1350
1351 ENGINE *setup_engine(BIO *err, const char *engine, int debug)
1352         {
1353         ENGINE *e = NULL;
1354
1355         if (engine)
1356                 {
1357                 if(strcmp(engine, "auto") == 0)
1358                         {
1359                         BIO_printf(err,"enabling auto ENGINE support\n");
1360                         ENGINE_register_all_complete();
1361                         return NULL;
1362                         }
1363                 if((e = ENGINE_by_id(engine)) == NULL
1364                         && (e = try_load_engine(err, engine, debug)) == NULL)
1365                         {
1366                         BIO_printf(err,"invalid engine \"%s\"\n", engine);
1367                         ERR_print_errors(err);
1368                         return NULL;
1369                         }
1370                 if (debug)
1371                         {
1372                         ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM,
1373                                 0, err, 0);
1374                         }
1375                 ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
1376                 if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
1377                         {
1378                         BIO_printf(err,"can't use that engine\n");
1379                         ERR_print_errors(err);
1380                         ENGINE_free(e);
1381                         return NULL;
1382                         }
1383
1384                 BIO_printf(err,"engine \"%s\" set.\n", ENGINE_get_id(e));
1385
1386                 /* Free our "structural" reference. */
1387                 ENGINE_free(e);
1388                 }
1389         return e;
1390         }
1391 #endif
1392
1393 int load_config(BIO *err, CONF *cnf)
1394         {
1395         if (!cnf)
1396                 cnf = config;
1397         if (!cnf)
1398                 return 1;
1399
1400         OPENSSL_load_builtin_modules();
1401
1402         if (CONF_modules_load(cnf, NULL, 0) <= 0)
1403                 {
1404                 BIO_printf(err, "Error configuring OpenSSL\n");
1405                 ERR_print_errors(err);
1406                 return 0;
1407                 }
1408         return 1;
1409         }
1410
1411 char *make_config_name()
1412         {
1413         const char *t=X509_get_default_cert_area();
1414         char *p;
1415
1416         p=OPENSSL_malloc(strlen(t)+strlen(OPENSSL_CONF)+2);
1417         strcpy(p,t);
1418 #ifndef OPENSSL_SYS_VMS
1419         strcat(p,"/");
1420 #endif
1421         strcat(p,OPENSSL_CONF);
1422
1423         return p;
1424         }
1425
1426 static unsigned long index_serial_hash(const char **a)
1427         {
1428         const char *n;
1429
1430         n=a[DB_serial];
1431         while (*n == '0') n++;
1432         return(lh_strhash(n));
1433         }
1434
1435 static int index_serial_cmp(const char **a, const char **b)
1436         {
1437         const char *aa,*bb;
1438
1439         for (aa=a[DB_serial]; *aa == '0'; aa++);
1440         for (bb=b[DB_serial]; *bb == '0'; bb++);
1441         return(strcmp(aa,bb));
1442         }
1443
1444 static int index_name_qual(char **a)
1445         { return(a[0][0] == 'V'); }
1446
1447 static unsigned long index_name_hash(const char **a)
1448         { return(lh_strhash(a[DB_name])); }
1449
1450 int index_name_cmp(const char **a, const char **b)
1451         { return(strcmp(a[DB_name],
1452              b[DB_name])); }
1453
1454 static IMPLEMENT_LHASH_HASH_FN(index_serial_hash,const char **)
1455 static IMPLEMENT_LHASH_COMP_FN(index_serial_cmp,const char **)
1456 static IMPLEMENT_LHASH_HASH_FN(index_name_hash,const char **)
1457 static IMPLEMENT_LHASH_COMP_FN(index_name_cmp,const char **)
1458
1459 #undef BSIZE
1460 #define BSIZE 256
1461
1462 BIGNUM *load_serial(char *serialfile, int create, ASN1_INTEGER **retai)
1463         {
1464         BIO *in=NULL;
1465         BIGNUM *ret=NULL;
1466         MS_STATIC char buf[1024];
1467         ASN1_INTEGER *ai=NULL;
1468
1469         ai=ASN1_INTEGER_new();
1470         if (ai == NULL) goto err;
1471
1472         if ((in=BIO_new(BIO_s_file())) == NULL)
1473                 {
1474                 ERR_print_errors(bio_err);
1475                 goto err;
1476                 }
1477
1478         if (BIO_read_filename(in,serialfile) <= 0)
1479                 {
1480                 if (!create)
1481                         {
1482                         perror(serialfile);
1483                         goto err;
1484                         }
1485                 else
1486                         {
1487                         ASN1_INTEGER_set(ai,1);
1488                         ret=BN_new();
1489                         if (ret == NULL)
1490                                 BIO_printf(bio_err, "Out of memory\n");
1491                         else
1492                                 BN_one(ret);
1493                         }
1494                 }
1495         else
1496                 {
1497                 if (!a2i_ASN1_INTEGER(in,ai,buf,1024))
1498                         {
1499                         BIO_printf(bio_err,"unable to load number from %s\n",
1500                                 serialfile);
1501                         goto err;
1502                         }
1503                 ret=ASN1_INTEGER_to_BN(ai,NULL);
1504                 if (ret == NULL)
1505                         {
1506                         BIO_printf(bio_err,"error converting number from bin to BIGNUM\n");
1507                         goto err;
1508                         }
1509                 }
1510
1511         if (ret && retai)
1512                 {
1513                 *retai = ai;
1514                 ai = NULL;
1515                 }
1516  err:
1517         if (in != NULL) BIO_free(in);
1518         if (ai != NULL) ASN1_INTEGER_free(ai);
1519         return(ret);
1520         }
1521
1522 int save_serial(char *serialfile, BIGNUM *serial, ASN1_INTEGER **retai)
1523         {
1524         BIO *out;
1525         int ret=0;
1526         ASN1_INTEGER *ai=NULL;
1527
1528         out=BIO_new(BIO_s_file());
1529         if (out == NULL)
1530                 {
1531                 ERR_print_errors(bio_err);
1532                 goto err;
1533                 }
1534         if (BIO_write_filename(out,serialfile) <= 0)
1535                 {
1536                 perror(serialfile);
1537                 goto err;
1538                 }
1539
1540         if ((ai=BN_to_ASN1_INTEGER(serial,NULL)) == NULL)
1541                 {
1542                 BIO_printf(bio_err,"error converting serial to ASN.1 format\n");
1543                 goto err;
1544                 }
1545         i2a_ASN1_INTEGER(out,ai);
1546         BIO_puts(out,"\n");
1547         ret=1;
1548         if (retai)
1549                 {
1550                 *retai = ai;
1551                 ai = NULL;
1552                 }
1553 err:
1554         if (out != NULL) BIO_free_all(out);
1555         if (ai != NULL) ASN1_INTEGER_free(ai);
1556         return(ret);
1557         }
1558
1559 CA_DB *load_index(char *dbfile, DB_ATTR *db_attr)
1560         {
1561         CA_DB *retdb = NULL;
1562         TXT_DB *tmpdb = NULL;
1563         BIO *in = BIO_new(BIO_s_file());
1564         CONF *dbattr_conf = NULL;
1565         char buf[1][BSIZE];
1566         long errorline= -1;
1567
1568         if (in == NULL)
1569                 {
1570                 ERR_print_errors(bio_err);
1571                 goto err;
1572                 }
1573         if (BIO_read_filename(in,dbfile) <= 0)
1574                 {
1575                 perror(dbfile);
1576                 BIO_printf(bio_err,"unable to open '%s'\n",dbfile);
1577                 goto err;
1578                 }
1579         if ((tmpdb = TXT_DB_read(in,DB_NUMBER)) == NULL)
1580                 {
1581                 if (tmpdb != NULL) TXT_DB_free(tmpdb);
1582                 goto err;
1583                 }
1584
1585 #ifndef OPENSSL_SYS_VMS
1586         BIO_snprintf(buf[0], sizeof buf[0], "%s.attr", dbfile);
1587 #else
1588         BIO_snprintf(buf[0], sizeof buf[0], "%s-attr", dbfile);
1589 #endif
1590         dbattr_conf = NCONF_new(NULL);
1591         if (NCONF_load(dbattr_conf,buf[0],&errorline) <= 0)
1592                 {
1593                 if (errorline > 0)
1594                         {
1595                         BIO_printf(bio_err,
1596                                 "error on line %ld of db attribute file '%s'\n"
1597                                 ,errorline,buf[0]);
1598                         goto err;
1599                         }
1600                 else
1601                         {
1602                         NCONF_free(dbattr_conf);
1603                         dbattr_conf = NULL;
1604                         }
1605                 }
1606
1607         if ((retdb = OPENSSL_malloc(sizeof(CA_DB))) == NULL)
1608                 {
1609                 fprintf(stderr, "Out of memory\n");
1610                 goto err;
1611                 }
1612
1613         retdb->db = tmpdb;
1614         tmpdb = NULL;
1615         if (db_attr)
1616                 retdb->attributes = *db_attr;
1617         else
1618                 {
1619                 retdb->attributes.unique_subject = 1;
1620                 }
1621
1622         if (dbattr_conf)
1623                 {
1624                 char *p = NCONF_get_string(dbattr_conf,NULL,"unique_subject");
1625                 if (p)
1626                         {
1627 #ifdef RL_DEBUG
1628                         BIO_printf(bio_err, "DEBUG[load_index]: unique_subject = \"%s\"\n", p);
1629 #endif
1630                         switch(*p)
1631                                 {
1632                         case 'f': /* false */
1633                         case 'F': /* FALSE */
1634                         case 'n': /* no */
1635                         case 'N': /* NO */
1636                                 retdb->attributes.unique_subject = 0;
1637                                 break;
1638                         case 't': /* true */
1639                         case 'T': /* TRUE */
1640                         case 'y': /* yes */
1641                         case 'Y': /* YES */
1642                         default:
1643                                 retdb->attributes.unique_subject = 1;
1644                                 break;
1645                                 }
1646                         }
1647                 }
1648
1649  err:
1650         if (dbattr_conf) NCONF_free(dbattr_conf);
1651         if (tmpdb) TXT_DB_free(tmpdb);
1652         if (in) BIO_free_all(in);
1653         return retdb;
1654         }
1655
1656 int index_index(CA_DB *db)
1657         {
1658         if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1659                                 LHASH_HASH_FN(index_serial_hash),
1660                                 LHASH_COMP_FN(index_serial_cmp)))
1661                 {
1662                 BIO_printf(bio_err,
1663                   "error creating serial number index:(%ld,%ld,%ld)\n",
1664                                         db->db->error,db->db->arg1,db->db->arg2);
1665                         return 0;
1666                 }
1667
1668         if (db->attributes.unique_subject
1669                 && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1670                         LHASH_HASH_FN(index_name_hash),
1671                         LHASH_COMP_FN(index_name_cmp)))
1672                 {
1673                 BIO_printf(bio_err,"error creating name index:(%ld,%ld,%ld)\n",
1674                         db->db->error,db->db->arg1,db->db->arg2);
1675                 return 0;
1676                 }
1677         return 1;
1678         }
1679
1680 int save_index(char *dbfile, char *suffix, CA_DB *db)
1681         {
1682         char buf[3][BSIZE];
1683         BIO *out = BIO_new(BIO_s_file());
1684         int j;
1685
1686         if (out == NULL)
1687                 {
1688                 ERR_print_errors(bio_err);
1689                 goto err;
1690                 }
1691
1692         j = strlen(dbfile) + strlen(suffix);
1693         if (j + 6 >= BSIZE)
1694                 {
1695                 BIO_printf(bio_err,"file name too long\n");
1696                 goto err;
1697                 }
1698
1699 #ifndef OPENSSL_SYS_VMS
1700         j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr", dbfile);
1701 #else
1702         j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr", dbfile);
1703 #endif
1704 #ifndef OPENSSL_SYS_VMS
1705         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.attr.%s", dbfile, suffix);
1706 #else
1707         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-attr-%s", dbfile, suffix);
1708 #endif
1709 #ifndef OPENSSL_SYS_VMS
1710         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", dbfile, suffix);
1711 #else
1712         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", dbfile, suffix);
1713 #endif
1714 #ifdef RL_DEBUG
1715         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1716 #endif
1717         if (BIO_write_filename(out,buf[0]) <= 0)
1718                 {
1719                 perror(dbfile);
1720                 BIO_printf(bio_err,"unable to open '%s'\n", dbfile);
1721                 goto err;
1722                 }
1723         j=TXT_DB_write(out,db->db);
1724         if (j <= 0) goto err;
1725                         
1726         BIO_free(out);
1727
1728         out = BIO_new(BIO_s_file());
1729 #ifdef RL_DEBUG
1730         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[1]);
1731 #endif
1732         if (BIO_write_filename(out,buf[1]) <= 0)
1733                 {
1734                 perror(buf[2]);
1735                 BIO_printf(bio_err,"unable to open '%s'\n", buf[2]);
1736                 goto err;
1737                 }
1738         BIO_printf(out,"unique_subject = %s\n",
1739                 db->attributes.unique_subject ? "yes" : "no");
1740         BIO_free(out);
1741
1742         return 1;
1743  err:
1744         return 0;
1745         }
1746
1747 int rotate_index(char *dbfile, char *new_suffix, char *old_suffix)
1748         {
1749         char buf[5][BSIZE];
1750         int i,j;
1751         struct stat sb;
1752
1753         i = strlen(dbfile) + strlen(old_suffix);
1754         j = strlen(dbfile) + strlen(new_suffix);
1755         if (i > j) j = i;
1756         if (j + 6 >= BSIZE)
1757                 {
1758                 BIO_printf(bio_err,"file name too long\n");
1759                 goto err;
1760                 }
1761
1762 #ifndef OPENSSL_SYS_VMS
1763         j = BIO_snprintf(buf[4], sizeof buf[4], "%s.attr", dbfile);
1764 #else
1765         j = BIO_snprintf(buf[4], sizeof buf[4], "%s-attr", dbfile);
1766 #endif
1767 #ifndef OPENSSL_SYS_VMS
1768         j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr.%s",
1769                 dbfile, new_suffix);
1770 #else
1771         j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr-%s",
1772                 dbfile, new_suffix);
1773 #endif
1774 #ifndef OPENSSL_SYS_VMS
1775         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1776                 dbfile, new_suffix);
1777 #else
1778         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1779                 dbfile, new_suffix);
1780 #endif
1781 #ifndef OPENSSL_SYS_VMS
1782         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1783                 dbfile, old_suffix);
1784 #else
1785         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
1786                 dbfile, old_suffix);
1787 #endif
1788 #ifndef OPENSSL_SYS_VMS
1789         j = BIO_snprintf(buf[3], sizeof buf[3], "%s.attr.%s",
1790                 dbfile, old_suffix);
1791 #else
1792         j = BIO_snprintf(buf[3], sizeof buf[3], "%s-attr-%s",
1793                 dbfile, old_suffix);
1794 #endif
1795         if (stat(dbfile,&sb) < 0)
1796                 {
1797                 if (errno != ENOENT 
1798 #ifdef ENOTDIR
1799                         && errno != ENOTDIR)
1800 #endif
1801                         goto err;
1802                 }
1803         else
1804                 {
1805 #ifdef RL_DEBUG
1806                 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1807                         dbfile, buf[1]);
1808 #endif
1809                 if (rename(dbfile,buf[1]) < 0)
1810                         {
1811                         BIO_printf(bio_err,
1812                                 "unable to rename %s to %s\n",
1813                                 dbfile, buf[1]);
1814                         perror("reason");
1815                         goto err;
1816                         }
1817                 }
1818 #ifdef RL_DEBUG
1819         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1820                 buf[0],dbfile);
1821 #endif
1822         if (rename(buf[0],dbfile) < 0)
1823                 {
1824                 BIO_printf(bio_err,
1825                         "unable to rename %s to %s\n",
1826                         buf[0],dbfile);
1827                 perror("reason");
1828                 rename(buf[1],dbfile);
1829                 goto err;
1830                 }
1831         if (stat(buf[4],&sb) < 0)
1832                 {
1833                 if (errno != ENOENT 
1834 #ifdef ENOTDIR
1835                         && errno != ENOTDIR)
1836 #endif
1837                         goto err;
1838                 }
1839         else
1840                 {
1841 #ifdef RL_DEBUG
1842                 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1843                         buf[4],buf[3]);
1844 #endif
1845                 if (rename(buf[4],buf[3]) < 0)
1846                         {
1847                         BIO_printf(bio_err,
1848                                 "unable to rename %s to %s\n",
1849                                 buf[4], buf[3]);
1850                         perror("reason");
1851                         rename(dbfile,buf[0]);
1852                         rename(buf[1],dbfile);
1853                         goto err;
1854                         }
1855                 }
1856 #ifdef RL_DEBUG
1857         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1858                 buf[2],buf[4]);
1859 #endif
1860         if (rename(buf[2],buf[4]) < 0)
1861                 {
1862                 BIO_printf(bio_err,
1863                         "unable to rename %s to %s\n",
1864                         buf[2],buf[4]);
1865                 perror("reason");
1866                 rename(buf[3],buf[4]);
1867                 rename(dbfile,buf[0]);
1868                 rename(buf[1],dbfile);
1869                 goto err;
1870                 }
1871         return 1;
1872  err:
1873         return 0;
1874         }
1875
1876 void free_index(CA_DB *db)
1877         {
1878         if (db)
1879                 {
1880                 if (db->db) TXT_DB_free(db->db);
1881                 OPENSSL_free(db);
1882                 }
1883         }