0ce0af5505b9ac75134bcde1663d5c7892d68933
[openssl.git] / apps / apps.c
1 /* apps/apps.c */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3  * All rights reserved.
4  *
5  * This package is an SSL implementation written
6  * by Eric Young (eay@cryptsoft.com).
7  * The implementation was written so as to conform with Netscapes SSL.
8  * 
9  * This library is free for commercial and non-commercial use as long as
10  * the following conditions are aheared to.  The following conditions
11  * apply to all code found in this distribution, be it the RC4, RSA,
12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
13  * included with this distribution is covered by the same copyright terms
14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15  * 
16  * Copyright remains Eric Young's, and as such any Copyright notices in
17  * the code are not to be removed.
18  * If this package is used in a product, Eric Young should be given attribution
19  * as the author of the parts of the library used.
20  * This can be in the form of a textual message at program startup or
21  * in documentation (online or textual) provided with the package.
22  * 
23  * Redistribution and use in source and binary forms, with or without
24  * modification, are permitted provided that the following conditions
25  * are met:
26  * 1. Redistributions of source code must retain the copyright
27  *    notice, this list of conditions and the following disclaimer.
28  * 2. Redistributions in binary form must reproduce the above copyright
29  *    notice, this list of conditions and the following disclaimer in the
30  *    documentation and/or other materials provided with the distribution.
31  * 3. All advertising materials mentioning features or use of this software
32  *    must display the following acknowledgement:
33  *    "This product includes cryptographic software written by
34  *     Eric Young (eay@cryptsoft.com)"
35  *    The word 'cryptographic' can be left out if the rouines from the library
36  *    being used are not cryptographic related :-).
37  * 4. If you include any Windows specific code (or a derivative thereof) from 
38  *    the apps directory (application code) you must include an acknowledgement:
39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40  * 
41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51  * SUCH DAMAGE.
52  * 
53  * The licence and distribution terms for any publically available version or
54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
55  * copied and put under another distribution licence
56  * [including the GNU Public Licence.]
57  */
58 /* ====================================================================
59  * Copyright (c) 1998-2001 The OpenSSL Project.  All rights reserved.
60  *
61  * Redistribution and use in source and binary forms, with or without
62  * modification, are permitted provided that the following conditions
63  * are met:
64  *
65  * 1. Redistributions of source code must retain the above copyright
66  *    notice, this list of conditions and the following disclaimer. 
67  *
68  * 2. Redistributions in binary form must reproduce the above copyright
69  *    notice, this list of conditions and the following disclaimer in
70  *    the documentation and/or other materials provided with the
71  *    distribution.
72  *
73  * 3. All advertising materials mentioning features or use of this
74  *    software must display the following acknowledgment:
75  *    "This product includes software developed by the OpenSSL Project
76  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
77  *
78  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
79  *    endorse or promote products derived from this software without
80  *    prior written permission. For written permission, please contact
81  *    openssl-core@openssl.org.
82  *
83  * 5. Products derived from this software may not be called "OpenSSL"
84  *    nor may "OpenSSL" appear in their names without prior written
85  *    permission of the OpenSSL Project.
86  *
87  * 6. Redistributions of any form whatsoever must retain the following
88  *    acknowledgment:
89  *    "This product includes software developed by the OpenSSL Project
90  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
91  *
92  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
93  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
94  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
95  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
96  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
97  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
98  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
99  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
100  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
101  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
102  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
103  * OF THE POSSIBILITY OF SUCH DAMAGE.
104  * ====================================================================
105  *
106  * This product includes cryptographic software written by Eric Young
107  * (eay@cryptsoft.com).  This product includes software written by Tim
108  * Hudson (tjh@cryptsoft.com).
109  *
110  */
111
112 #if !defined(_POSIX_C_SOURCE) && defined(OPENSSL_SYS_VMS)
113 #define _POSIX_C_SOURCE 2       /* On VMS, you need to define this to get
114                                    the declaration of fileno().  The value
115                                    2 is to make sure no function defined
116                                    in POSIX-2 is left undefined. */
117 #endif
118 #include <stdio.h>
119 #include <stdlib.h>
120 #include <string.h>
121 #if !defined(OPENSSL_SYSNAME_WIN32) && !defined(NETWARE_CLIB)
122 #include <strings.h>
123 #endif
124 #include <sys/types.h>
125 #include <ctype.h>
126 #include <errno.h>
127 #include <assert.h>
128 #include <openssl/err.h>
129 #include <openssl/x509.h>
130 #include <openssl/x509v3.h>
131 #include <openssl/pem.h>
132 #include <openssl/pkcs12.h>
133 #include <openssl/ui.h>
134 #include <openssl/safestack.h>
135 #ifndef OPENSSL_NO_ENGINE
136 #include <openssl/engine.h>
137 #endif
138 #ifndef OPENSSL_NO_RSA
139 #include <openssl/rsa.h>
140 #endif
141 #include <openssl/bn.h>
142 #ifndef OPENSSL_NO_JPAKE
143 #include <openssl/jpake.h>
144 #endif
145
146 #define NON_MAIN
147 #include "apps.h"
148 #undef NON_MAIN
149
150 #ifdef _WIN32
151 static int WIN32_rename(const char *from, const char *to);
152 #define rename(from,to) WIN32_rename((from),(to))
153 #endif
154
155 typedef struct {
156         const char *name;
157         unsigned long flag;
158         unsigned long mask;
159 } NAME_EX_TBL;
160
161 static UI_METHOD *ui_method = NULL;
162
163 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
164 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
165
166 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
167 /* Looks like this stuff is worth moving into separate function */
168 static EVP_PKEY *
169 load_netscape_key(BIO *err, BIO *key, const char *file,
170                 const char *key_descrip, int format);
171 #endif
172
173 int app_init(long mesgwin);
174 #ifdef undef /* never finished - probably never will be :-) */
175 int args_from_file(char *file, int *argc, char **argv[])
176         {
177         FILE *fp;
178         int num,i;
179         unsigned int len;
180         static char *buf=NULL;
181         static char **arg=NULL;
182         char *p;
183
184         fp=fopen(file,"r");
185         if (fp == NULL)
186                 return(0);
187
188         if (fseek(fp,0,SEEK_END)==0)
189                 len=ftell(fp), rewind(fp);
190         else    len=-1;
191         if (len<=0)
192                 {
193                 fclose(fp);
194                 return(0);
195                 }
196
197         *argc=0;
198         *argv=NULL;
199
200         if (buf != NULL) OPENSSL_free(buf);
201         buf=(char *)OPENSSL_malloc(len+1);
202         if (buf == NULL) return(0);
203
204         len=fread(buf,1,len,fp);
205         if (len <= 1) return(0);
206         buf[len]='\0';
207
208         i=0;
209         for (p=buf; *p; p++)
210                 if (*p == '\n') i++;
211         if (arg != NULL) OPENSSL_free(arg);
212         arg=(char **)OPENSSL_malloc(sizeof(char *)*(i*2));
213
214         *argv=arg;
215         num=0;
216         p=buf;
217         for (;;)
218                 {
219                 if (!*p) break;
220                 if (*p == '#') /* comment line */
221                         {
222                         while (*p && (*p != '\n')) p++;
223                         continue;
224                         }
225                 /* else we have a line */
226                 *(arg++)=p;
227                 num++;
228                 while (*p && ((*p != ' ') && (*p != '\t') && (*p != '\n')))
229                         p++;
230                 if (!*p) break;
231                 if (*p == '\n')
232                         {
233                         *(p++)='\0';
234                         continue;
235                         }
236                 /* else it is a tab or space */
237                 p++;
238                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
239                         p++;
240                 if (!*p) break;
241                 if (*p == '\n')
242                         {
243                         p++;
244                         continue;
245                         }
246                 *(arg++)=p++;
247                 num++;
248                 while (*p && (*p != '\n')) p++;
249                 if (!*p) break;
250                 /* else *p == '\n' */
251                 *(p++)='\0';
252                 }
253         *argc=num;
254         return(1);
255         }
256 #endif
257
258 int str2fmt(char *s)
259         {
260         if (s == NULL)
261                 return FORMAT_UNDEF;
262         if      ((*s == 'D') || (*s == 'd'))
263                 return(FORMAT_ASN1);
264         else if ((*s == 'T') || (*s == 't'))
265                 return(FORMAT_TEXT);
266         else if ((*s == 'N') || (*s == 'n'))
267                 return(FORMAT_NETSCAPE);
268         else if ((*s == 'S') || (*s == 's'))
269                 return(FORMAT_SMIME);
270         else if ((*s == 'M') || (*s == 'm'))
271                 return(FORMAT_MSBLOB);
272         else if ((*s == '1')
273                 || (strcmp(s,"PKCS12") == 0) || (strcmp(s,"pkcs12") == 0)
274                 || (strcmp(s,"P12") == 0) || (strcmp(s,"p12") == 0))
275                 return(FORMAT_PKCS12);
276         else if ((*s == 'E') || (*s == 'e'))
277                 return(FORMAT_ENGINE);
278         else if ((*s == 'P') || (*s == 'p'))
279                 {
280                 if (s[1] == 'V' || s[1] == 'v')
281                         return FORMAT_PVK;
282                 else
283                         return(FORMAT_PEM);
284                 }
285         else
286                 return(FORMAT_UNDEF);
287         }
288
289 #if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16) || defined(OPENSSL_SYS_NETWARE)
290 void program_name(char *in, char *out, int size)
291         {
292         int i,n;
293         char *p=NULL;
294
295         n=strlen(in);
296         /* find the last '/', '\' or ':' */
297         for (i=n-1; i>0; i--)
298                 {
299                 if ((in[i] == '/') || (in[i] == '\\') || (in[i] == ':'))
300                         {
301                         p= &(in[i+1]);
302                         break;
303                         }
304                 }
305         if (p == NULL)
306                 p=in;
307         n=strlen(p);
308
309 #if defined(OPENSSL_SYS_NETWARE)
310    /* strip off trailing .nlm if present. */
311    if ((n > 4) && (p[n-4] == '.') &&
312       ((p[n-3] == 'n') || (p[n-3] == 'N')) &&
313       ((p[n-2] == 'l') || (p[n-2] == 'L')) &&
314       ((p[n-1] == 'm') || (p[n-1] == 'M')))
315       n-=4;
316 #else
317         /* strip off trailing .exe if present. */
318         if ((n > 4) && (p[n-4] == '.') &&
319                 ((p[n-3] == 'e') || (p[n-3] == 'E')) &&
320                 ((p[n-2] == 'x') || (p[n-2] == 'X')) &&
321                 ((p[n-1] == 'e') || (p[n-1] == 'E')))
322                 n-=4;
323 #endif
324
325         if (n > size-1)
326                 n=size-1;
327
328         for (i=0; i<n; i++)
329                 {
330                 if ((p[i] >= 'A') && (p[i] <= 'Z'))
331                         out[i]=p[i]-'A'+'a';
332                 else
333                         out[i]=p[i];
334                 }
335         out[n]='\0';
336         }
337 #else
338 #ifdef OPENSSL_SYS_VMS
339 void program_name(char *in, char *out, int size)
340         {
341         char *p=in, *q;
342         char *chars=":]>";
343
344         while(*chars != '\0')
345                 {
346                 q=strrchr(p,*chars);
347                 if (q > p)
348                         p = q + 1;
349                 chars++;
350                 }
351
352         q=strrchr(p,'.');
353         if (q == NULL)
354                 q = p + strlen(p);
355         strncpy(out,p,size-1);
356         if (q-p >= size)
357                 {
358                 out[size-1]='\0';
359                 }
360         else
361                 {
362                 out[q-p]='\0';
363                 }
364         }
365 #else
366 void program_name(char *in, char *out, int size)
367         {
368         char *p;
369
370         p=strrchr(in,'/');
371         if (p != NULL)
372                 p++;
373         else
374                 p=in;
375         BUF_strlcpy(out,p,size);
376         }
377 #endif
378 #endif
379
380 int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
381         {
382         int num,i;
383         char *p;
384
385         *argc=0;
386         *argv=NULL;
387
388         i=0;
389         if (arg->count == 0)
390                 {
391                 arg->count=20;
392                 arg->data=(char **)OPENSSL_malloc(sizeof(char *)*arg->count);
393                 }
394         for (i=0; i<arg->count; i++)
395                 arg->data[i]=NULL;
396
397         num=0;
398         p=buf;
399         for (;;)
400                 {
401                 /* first scan over white space */
402                 if (!*p) break;
403                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
404                         p++;
405                 if (!*p) break;
406
407                 /* The start of something good :-) */
408                 if (num >= arg->count)
409                         {
410                         char **tmp_p;
411                         int tlen = arg->count + 20;
412                         tmp_p = (char **)OPENSSL_realloc(arg->data,
413                                 sizeof(char *)*tlen);
414                         if (tmp_p == NULL)
415                                 return 0;
416                         arg->data  = tmp_p;
417                         arg->count = tlen;
418                         /* initialize newly allocated data */
419                         for (i = num; i < arg->count; i++)
420                                 arg->data[i] = NULL;
421                         }
422                 arg->data[num++]=p;
423
424                 /* now look for the end of this */
425                 if ((*p == '\'') || (*p == '\"')) /* scan for closing quote */
426                         {
427                         i= *(p++);
428                         arg->data[num-1]++; /* jump over quote */
429                         while (*p && (*p != i))
430                                 p++;
431                         *p='\0';
432                         }
433                 else
434                         {
435                         while (*p && ((*p != ' ') &&
436                                 (*p != '\t') && (*p != '\n')))
437                                 p++;
438
439                         if (*p == '\0')
440                                 p--;
441                         else
442                                 *p='\0';
443                         }
444                 p++;
445                 }
446         *argc=num;
447         *argv=arg->data;
448         return(1);
449         }
450
451 #ifndef APP_INIT
452 int app_init(long mesgwin)
453         {
454         return(1);
455         }
456 #endif
457
458
459 int dump_cert_text (BIO *out, X509 *x)
460 {
461         char *p;
462
463         p=X509_NAME_oneline(X509_get_subject_name(x),NULL,0);
464         BIO_puts(out,"subject=");
465         BIO_puts(out,p);
466         OPENSSL_free(p);
467
468         p=X509_NAME_oneline(X509_get_issuer_name(x),NULL,0);
469         BIO_puts(out,"\nissuer=");
470         BIO_puts(out,p);
471         BIO_puts(out,"\n");
472         OPENSSL_free(p);
473
474         return 0;
475 }
476
477 static int ui_open(UI *ui)
478         {
479         return UI_method_get_opener(UI_OpenSSL())(ui);
480         }
481 static int ui_read(UI *ui, UI_STRING *uis)
482         {
483         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
484                 && UI_get0_user_data(ui))
485                 {
486                 switch(UI_get_string_type(uis))
487                         {
488                 case UIT_PROMPT:
489                 case UIT_VERIFY:
490                         {
491                         const char *password =
492                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
493                         if (password && password[0] != '\0')
494                                 {
495                                 UI_set_result(ui, uis, password);
496                                 return 1;
497                                 }
498                         }
499                 default:
500                         break;
501                         }
502                 }
503         return UI_method_get_reader(UI_OpenSSL())(ui, uis);
504         }
505 static int ui_write(UI *ui, UI_STRING *uis)
506         {
507         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
508                 && UI_get0_user_data(ui))
509                 {
510                 switch(UI_get_string_type(uis))
511                         {
512                 case UIT_PROMPT:
513                 case UIT_VERIFY:
514                         {
515                         const char *password =
516                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
517                         if (password && password[0] != '\0')
518                                 return 1;
519                         }
520                 default:
521                         break;
522                         }
523                 }
524         return UI_method_get_writer(UI_OpenSSL())(ui, uis);
525         }
526 static int ui_close(UI *ui)
527         {
528         return UI_method_get_closer(UI_OpenSSL())(ui);
529         }
530 int setup_ui_method(void)
531         {
532         ui_method = UI_create_method("OpenSSL application user interface");
533         UI_method_set_opener(ui_method, ui_open);
534         UI_method_set_reader(ui_method, ui_read);
535         UI_method_set_writer(ui_method, ui_write);
536         UI_method_set_closer(ui_method, ui_close);
537         return 0;
538         }
539 void destroy_ui_method(void)
540         {
541         if(ui_method)
542                 {
543                 UI_destroy_method(ui_method);
544                 ui_method = NULL;
545                 }
546         }
547 int password_callback(char *buf, int bufsiz, int verify,
548         PW_CB_DATA *cb_tmp)
549         {
550         UI *ui = NULL;
551         int res = 0;
552         const char *prompt_info = NULL;
553         const char *password = NULL;
554         PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp;
555
556         if (cb_data)
557                 {
558                 if (cb_data->password)
559                         password = cb_data->password;
560                 if (cb_data->prompt_info)
561                         prompt_info = cb_data->prompt_info;
562                 }
563
564         if (password)
565                 {
566                 res = strlen(password);
567                 if (res > bufsiz)
568                         res = bufsiz;
569                 memcpy(buf, password, res);
570                 return res;
571                 }
572
573         ui = UI_new_method(ui_method);
574         if (ui)
575                 {
576                 int ok = 0;
577                 char *buff = NULL;
578                 int ui_flags = 0;
579                 char *prompt = NULL;
580
581                 prompt = UI_construct_prompt(ui, "pass phrase",
582                         prompt_info);
583
584                 ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
585                 UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
586
587                 if (ok >= 0)
588                         ok = UI_add_input_string(ui,prompt,ui_flags,buf,
589                                 PW_MIN_LENGTH,BUFSIZ-1);
590                 if (ok >= 0 && verify)
591                         {
592                         buff = (char *)OPENSSL_malloc(bufsiz);
593                         ok = UI_add_verify_string(ui,prompt,ui_flags,buff,
594                                 PW_MIN_LENGTH,BUFSIZ-1, buf);
595                         }
596                 if (ok >= 0)
597                         do
598                                 {
599                                 ok = UI_process(ui);
600                                 }
601                         while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
602
603                 if (buff)
604                         {
605                         OPENSSL_cleanse(buff,(unsigned int)bufsiz);
606                         OPENSSL_free(buff);
607                         }
608
609                 if (ok >= 0)
610                         res = strlen(buf);
611                 if (ok == -1)
612                         {
613                         BIO_printf(bio_err, "User interface error\n");
614                         ERR_print_errors(bio_err);
615                         OPENSSL_cleanse(buf,(unsigned int)bufsiz);
616                         res = 0;
617                         }
618                 if (ok == -2)
619                         {
620                         BIO_printf(bio_err,"aborted!\n");
621                         OPENSSL_cleanse(buf,(unsigned int)bufsiz);
622                         res = 0;
623                         }
624                 UI_free(ui);
625                 OPENSSL_free(prompt);
626                 }
627         return res;
628         }
629
630 static char *app_get_pass(BIO *err, char *arg, int keepbio);
631
632 int app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2)
633 {
634         int same;
635         if(!arg2 || !arg1 || strcmp(arg1, arg2)) same = 0;
636         else same = 1;
637         if(arg1) {
638                 *pass1 = app_get_pass(err, arg1, same);
639                 if(!*pass1) return 0;
640         } else if(pass1) *pass1 = NULL;
641         if(arg2) {
642                 *pass2 = app_get_pass(err, arg2, same ? 2 : 0);
643                 if(!*pass2) return 0;
644         } else if(pass2) *pass2 = NULL;
645         return 1;
646 }
647
648 static char *app_get_pass(BIO *err, char *arg, int keepbio)
649 {
650         char *tmp, tpass[APP_PASS_LEN];
651         static BIO *pwdbio = NULL;
652         int i;
653         if(!strncmp(arg, "pass:", 5)) return BUF_strdup(arg + 5);
654         if(!strncmp(arg, "env:", 4)) {
655                 tmp = getenv(arg + 4);
656                 if(!tmp) {
657                         BIO_printf(err, "Can't read environment variable %s\n", arg + 4);
658                         return NULL;
659                 }
660                 return BUF_strdup(tmp);
661         }
662         if(!keepbio || !pwdbio) {
663                 if(!strncmp(arg, "file:", 5)) {
664                         pwdbio = BIO_new_file(arg + 5, "r");
665                         if(!pwdbio) {
666                                 BIO_printf(err, "Can't open file %s\n", arg + 5);
667                                 return NULL;
668                         }
669 #if !defined(_WIN32)
670                 /*
671                  * Under _WIN32, which covers even Win64 and CE, file
672                  * descriptors referenced by BIO_s_fd are not inherited
673                  * by child process and therefore below is not an option.
674                  * It could have been an option if bss_fd.c was operating
675                  * on real Windows descriptors, such as those obtained
676                  * with CreateFile.
677                  */
678                 } else if(!strncmp(arg, "fd:", 3)) {
679                         BIO *btmp;
680                         i = atoi(arg + 3);
681                         if(i >= 0) pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
682                         if((i < 0) || !pwdbio) {
683                                 BIO_printf(err, "Can't access file descriptor %s\n", arg + 3);
684                                 return NULL;
685                         }
686                         /* Can't do BIO_gets on an fd BIO so add a buffering BIO */
687                         btmp = BIO_new(BIO_f_buffer());
688                         pwdbio = BIO_push(btmp, pwdbio);
689 #endif
690                 } else if(!strcmp(arg, "stdin")) {
691                         pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE);
692                         if(!pwdbio) {
693                                 BIO_printf(err, "Can't open BIO for stdin\n");
694                                 return NULL;
695                         }
696                 } else {
697                         BIO_printf(err, "Invalid password argument \"%s\"\n", arg);
698                         return NULL;
699                 }
700         }
701         i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
702         if(keepbio != 1) {
703                 BIO_free_all(pwdbio);
704                 pwdbio = NULL;
705         }
706         if(i <= 0) {
707                 BIO_printf(err, "Error reading password from BIO\n");
708                 return NULL;
709         }
710         tmp = strchr(tpass, '\n');
711         if(tmp) *tmp = 0;
712         return BUF_strdup(tpass);
713 }
714
715 int add_oid_section(BIO *err, CONF *conf)
716 {       
717         char *p;
718         STACK_OF(CONF_VALUE) *sktmp;
719         CONF_VALUE *cnf;
720         int i;
721         if(!(p=NCONF_get_string(conf,NULL,"oid_section")))
722                 {
723                 ERR_clear_error();
724                 return 1;
725                 }
726         if(!(sktmp = NCONF_get_section(conf, p))) {
727                 BIO_printf(err, "problem loading oid section %s\n", p);
728                 return 0;
729         }
730         for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
731                 cnf = sk_CONF_VALUE_value(sktmp, i);
732                 if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
733                         BIO_printf(err, "problem creating object %s=%s\n",
734                                                          cnf->name, cnf->value);
735                         return 0;
736                 }
737         }
738         return 1;
739 }
740
741 static int load_pkcs12(BIO *err, BIO *in, const char *desc,
742                 pem_password_cb *pem_cb,  void *cb_data,
743                 EVP_PKEY **pkey, X509 **cert, STACK_OF(X509) **ca)
744         {
745         const char *pass;
746         char tpass[PEM_BUFSIZE];
747         int len, ret = 0;
748         PKCS12 *p12;
749         p12 = d2i_PKCS12_bio(in, NULL);
750         if (p12 == NULL)
751                 {
752                 BIO_printf(err, "Error loading PKCS12 file for %s\n", desc);    
753                 goto die;
754                 }
755         /* See if an empty password will do */
756         if (PKCS12_verify_mac(p12, "", 0) || PKCS12_verify_mac(p12, NULL, 0))
757                 pass = "";
758         else
759                 {
760                 if (!pem_cb)
761                         pem_cb = (pem_password_cb *)password_callback;
762                 len = pem_cb(tpass, PEM_BUFSIZE, 0, cb_data);
763                 if (len < 0) 
764                         {
765                         BIO_printf(err, "Passpharse callback error for %s\n",
766                                         desc);
767                         goto die;
768                         }
769                 if (len < PEM_BUFSIZE)
770                         tpass[len] = 0;
771                 if (!PKCS12_verify_mac(p12, tpass, len))
772                         {
773                         BIO_printf(err,
774         "Mac verify error (wrong password?) in PKCS12 file for %s\n", desc);    
775                         goto die;
776                         }
777                 pass = tpass;
778                 }
779         ret = PKCS12_parse(p12, pass, pkey, cert, ca);
780         die:
781         if (p12)
782                 PKCS12_free(p12);
783         return ret;
784         }
785
786 X509 *load_cert(BIO *err, const char *file, int format,
787         const char *pass, ENGINE *e, const char *cert_descrip)
788         {
789         X509 *x=NULL;
790         BIO *cert;
791
792         if ((cert=BIO_new(BIO_s_file())) == NULL)
793                 {
794                 ERR_print_errors(err);
795                 goto end;
796                 }
797
798         if (file == NULL)
799                 {
800 #ifdef _IONBF
801 # ifndef OPENSSL_NO_SETVBUF_IONBF
802                 setvbuf(stdin, NULL, _IONBF, 0);
803 # endif /* ndef OPENSSL_NO_SETVBUF_IONBF */
804 #endif
805                 BIO_set_fp(cert,stdin,BIO_NOCLOSE);
806                 }
807         else
808                 {
809                 if (BIO_read_filename(cert,file) <= 0)
810                         {
811                         BIO_printf(err, "Error opening %s %s\n",
812                                 cert_descrip, file);
813                         ERR_print_errors(err);
814                         goto end;
815                         }
816                 }
817
818         if      (format == FORMAT_ASN1)
819                 x=d2i_X509_bio(cert,NULL);
820         else if (format == FORMAT_NETSCAPE)
821                 {
822                 NETSCAPE_X509 *nx;
823                 nx=ASN1_item_d2i_bio(ASN1_ITEM_rptr(NETSCAPE_X509),cert,NULL);
824                 if (nx == NULL)
825                                 goto end;
826
827                 if ((strncmp(NETSCAPE_CERT_HDR,(char *)nx->header->data,
828                         nx->header->length) != 0))
829                         {
830                         NETSCAPE_X509_free(nx);
831                         BIO_printf(err,"Error reading header on certificate\n");
832                         goto end;
833                         }
834                 x=nx->cert;
835                 nx->cert = NULL;
836                 NETSCAPE_X509_free(nx);
837                 }
838         else if (format == FORMAT_PEM)
839                 x=PEM_read_bio_X509_AUX(cert,NULL,
840                         (pem_password_cb *)password_callback, NULL);
841         else if (format == FORMAT_PKCS12)
842                 {
843                 if (!load_pkcs12(err, cert,cert_descrip, NULL, NULL,
844                                         NULL, &x, NULL))
845                         goto end;
846                 }
847         else    {
848                 BIO_printf(err,"bad input format specified for %s\n",
849                         cert_descrip);
850                 goto end;
851                 }
852 end:
853         if (x == NULL)
854                 {
855                 BIO_printf(err,"unable to load certificate\n");
856                 ERR_print_errors(err);
857                 }
858         if (cert != NULL) BIO_free(cert);
859         return(x);
860         }
861
862 EVP_PKEY *load_key(BIO *err, const char *file, int format, int maybe_stdin,
863         const char *pass, ENGINE *e, const char *key_descrip)
864         {
865         BIO *key=NULL;
866         EVP_PKEY *pkey=NULL;
867         PW_CB_DATA cb_data;
868
869         cb_data.password = pass;
870         cb_data.prompt_info = file;
871
872         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
873                 {
874                 BIO_printf(err,"no keyfile specified\n");
875                 goto end;
876                 }
877 #ifndef OPENSSL_NO_ENGINE
878         if (format == FORMAT_ENGINE)
879                 {
880                 if (!e)
881                         BIO_printf(err,"no engine specified\n");
882                 else
883                         {
884                         pkey = ENGINE_load_private_key(e, file,
885                                 ui_method, &cb_data);
886                         if (!pkey) 
887                                 {
888                                 BIO_printf(err,"cannot load %s from engine\n",key_descrip);
889                                 ERR_print_errors(err);
890                                 }       
891                         }
892                 goto end;
893                 }
894 #endif
895         key=BIO_new(BIO_s_file());
896         if (key == NULL)
897                 {
898                 ERR_print_errors(err);
899                 goto end;
900                 }
901         if (file == NULL && maybe_stdin)
902                 {
903 #ifdef _IONBF
904 # ifndef OPENSSL_NO_SETVBUF_IONBF
905                 setvbuf(stdin, NULL, _IONBF, 0);
906 # endif /* ndef OPENSSL_NO_SETVBUF_IONBF */
907 #endif
908                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
909                 }
910         else
911                 if (BIO_read_filename(key,file) <= 0)
912                         {
913                         BIO_printf(err, "Error opening %s %s\n",
914                                 key_descrip, file);
915                         ERR_print_errors(err);
916                         goto end;
917                         }
918         if (format == FORMAT_ASN1)
919                 {
920                 pkey=d2i_PrivateKey_bio(key, NULL);
921                 }
922         else if (format == FORMAT_PEM)
923                 {
924                 pkey=PEM_read_bio_PrivateKey(key,NULL,
925                         (pem_password_cb *)password_callback, &cb_data);
926                 }
927 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
928         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
929                 pkey = load_netscape_key(err, key, file, key_descrip, format);
930 #endif
931         else if (format == FORMAT_PKCS12)
932                 {
933                 if (!load_pkcs12(err, key, key_descrip,
934                                 (pem_password_cb *)password_callback, &cb_data,
935                                 &pkey, NULL, NULL))
936                         goto end;
937                 }
938 #if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA) && !defined (OPENSSL_NO_RC4)
939         else if (format == FORMAT_MSBLOB)
940                 pkey = b2i_PrivateKey_bio(key);
941         else if (format == FORMAT_PVK)
942                 pkey = b2i_PVK_bio(key, (pem_password_cb *)password_callback,
943                                                                 &cb_data);
944 #endif
945         else
946                 {
947                 BIO_printf(err,"bad input format specified for key file\n");
948                 goto end;
949                 }
950  end:
951         if (key != NULL) BIO_free(key);
952         if (pkey == NULL) 
953                 {
954                 BIO_printf(err,"unable to load %s\n", key_descrip);
955                 ERR_print_errors(err);
956                 }       
957         return(pkey);
958         }
959
960 EVP_PKEY *load_pubkey(BIO *err, const char *file, int format, int maybe_stdin,
961         const char *pass, ENGINE *e, const char *key_descrip)
962         {
963         BIO *key=NULL;
964         EVP_PKEY *pkey=NULL;
965         PW_CB_DATA cb_data;
966
967         cb_data.password = pass;
968         cb_data.prompt_info = file;
969
970         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
971                 {
972                 BIO_printf(err,"no keyfile specified\n");
973                 goto end;
974                 }
975 #ifndef OPENSSL_NO_ENGINE
976         if (format == FORMAT_ENGINE)
977                 {
978                 if (!e)
979                         BIO_printf(bio_err,"no engine specified\n");
980                 else
981                         pkey = ENGINE_load_public_key(e, file,
982                                 ui_method, &cb_data);
983                 goto end;
984                 }
985 #endif
986         key=BIO_new(BIO_s_file());
987         if (key == NULL)
988                 {
989                 ERR_print_errors(err);
990                 goto end;
991                 }
992         if (file == NULL && maybe_stdin)
993                 {
994 #ifdef _IONBF
995 # ifndef OPENSSL_NO_SETVBUF_IONBF
996                 setvbuf(stdin, NULL, _IONBF, 0);
997 # endif /* ndef OPENSSL_NO_SETVBUF_IONBF */
998 #endif
999                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
1000                 }
1001         else
1002                 if (BIO_read_filename(key,file) <= 0)
1003                         {
1004                         BIO_printf(err, "Error opening %s %s\n",
1005                                 key_descrip, file);
1006                         ERR_print_errors(err);
1007                         goto end;
1008                 }
1009         if (format == FORMAT_ASN1)
1010                 {
1011                 pkey=d2i_PUBKEY_bio(key, NULL);
1012                 }
1013 #ifndef OPENSSL_NO_RSA
1014         else if (format == FORMAT_ASN1RSA)
1015                 {
1016                 RSA *rsa;
1017                 rsa = d2i_RSAPublicKey_bio(key, NULL);
1018                 if (rsa)
1019                         {
1020                         pkey = EVP_PKEY_new();
1021                         if (pkey)
1022                                 EVP_PKEY_set1_RSA(pkey, rsa);
1023                         RSA_free(rsa);
1024                         }
1025                 else
1026                         pkey = NULL;
1027                 }
1028         else if (format == FORMAT_PEMRSA)
1029                 {
1030                 RSA *rsa;
1031                 rsa = PEM_read_bio_RSAPublicKey(key, NULL, 
1032                         (pem_password_cb *)password_callback, &cb_data);
1033                 if (rsa)
1034                         {
1035                         pkey = EVP_PKEY_new();
1036                         if (pkey)
1037                                 EVP_PKEY_set1_RSA(pkey, rsa);
1038                         RSA_free(rsa);
1039                         }
1040                 else
1041                         pkey = NULL;
1042                 }
1043 #endif
1044         else if (format == FORMAT_PEM)
1045                 {
1046                 pkey=PEM_read_bio_PUBKEY(key,NULL,
1047                         (pem_password_cb *)password_callback, &cb_data);
1048                 }
1049 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
1050         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
1051                 pkey = load_netscape_key(err, key, file, key_descrip, format);
1052 #endif
1053 #if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA)
1054         else if (format == FORMAT_MSBLOB)
1055                 pkey = b2i_PublicKey_bio(key);
1056 #endif
1057         else
1058                 {
1059                 BIO_printf(err,"bad input format specified for key file\n");
1060                 goto end;
1061                 }
1062  end:
1063         if (key != NULL) BIO_free(key);
1064         if (pkey == NULL)
1065                 BIO_printf(err,"unable to load %s\n", key_descrip);
1066         return(pkey);
1067         }
1068
1069 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
1070 static EVP_PKEY *
1071 load_netscape_key(BIO *err, BIO *key, const char *file,
1072                 const char *key_descrip, int format)
1073         {
1074         EVP_PKEY *pkey;
1075         BUF_MEM *buf;
1076         RSA     *rsa;
1077         const unsigned char *p;
1078         int size, i;
1079
1080         buf=BUF_MEM_new();
1081         pkey = EVP_PKEY_new();
1082         size = 0;
1083         if (buf == NULL || pkey == NULL)
1084                 goto error;
1085         for (;;)
1086                 {
1087                 if (!BUF_MEM_grow_clean(buf,size+1024*10))
1088                         goto error;
1089                 i = BIO_read(key, &(buf->data[size]), 1024*10);
1090                 size += i;
1091                 if (i == 0)
1092                         break;
1093                 if (i < 0)
1094                         {
1095                                 BIO_printf(err, "Error reading %s %s",
1096                                         key_descrip, file);
1097                                 goto error;
1098                         }
1099                 }
1100         p=(unsigned char *)buf->data;
1101         rsa = d2i_RSA_NET(NULL,&p,(long)size,NULL,
1102                 (format == FORMAT_IISSGC ? 1 : 0));
1103         if (rsa == NULL)
1104                 goto error;
1105         BUF_MEM_free(buf);
1106         EVP_PKEY_set1_RSA(pkey, rsa);
1107         return pkey;
1108 error:
1109         BUF_MEM_free(buf);
1110         EVP_PKEY_free(pkey);
1111         return NULL;
1112         }
1113 #endif /* ndef OPENSSL_NO_RC4 */
1114
1115 static int load_certs_crls(BIO *err, const char *file, int format,
1116         const char *pass, ENGINE *e, const char *desc,
1117         STACK_OF(X509) **pcerts, STACK_OF(X509_CRL) **pcrls)
1118         {
1119         int i;
1120         BIO *bio;
1121         STACK_OF(X509_INFO) *xis = NULL;
1122         X509_INFO *xi;
1123         PW_CB_DATA cb_data;
1124         int rv = 0;
1125
1126         cb_data.password = pass;
1127         cb_data.prompt_info = file;
1128
1129         if (format != FORMAT_PEM)
1130                 {
1131                 BIO_printf(err,"bad input format specified for %s\n", desc);
1132                 return 0;
1133                 }
1134
1135         if (file == NULL)
1136                 bio = BIO_new_fp(stdin,BIO_NOCLOSE);
1137         else
1138                 bio = BIO_new_file(file, "r");
1139
1140         if (bio == NULL)
1141                 {
1142                 BIO_printf(err, "Error opening %s %s\n",
1143                                 desc, file ? file : "stdin");
1144                 ERR_print_errors(err);
1145                 return 0;
1146                 }
1147
1148         xis = PEM_X509_INFO_read_bio(bio, NULL,
1149                                 (pem_password_cb *)password_callback, &cb_data);
1150
1151         BIO_free(bio);
1152
1153         if (pcerts)
1154                 {
1155                 *pcerts = sk_X509_new_null();
1156                 if (!*pcerts)
1157                         goto end;
1158                 }
1159
1160         if (pcrls)
1161                 {
1162                 *pcrls = sk_X509_CRL_new_null();
1163                 if (!*pcrls)
1164                         goto end;
1165                 }
1166
1167         for(i = 0; i < sk_X509_INFO_num(xis); i++)
1168                 {
1169                 xi = sk_X509_INFO_value (xis, i);
1170                 if (xi->x509 && pcerts)
1171                         {
1172                         if (!sk_X509_push(*pcerts, xi->x509))
1173                                 goto end;
1174                         xi->x509 = NULL;
1175                         }
1176                 if (xi->crl && pcrls)
1177                         {
1178                         if (!sk_X509_CRL_push(*pcrls, xi->crl))
1179                                 goto end;
1180                         xi->crl = NULL;
1181                         }
1182                 }
1183
1184         if (pcerts && sk_X509_num(*pcerts) > 0)
1185                 rv = 1;
1186
1187         if (pcrls && sk_X509_CRL_num(*pcrls) > 0)
1188                 rv = 1;
1189
1190         end:
1191
1192         if (xis)
1193                 sk_X509_INFO_pop_free(xis, X509_INFO_free);
1194
1195         if (rv == 0)
1196                 {
1197                 if (pcerts)
1198                         {
1199                         sk_X509_pop_free(*pcerts, X509_free);
1200                         *pcerts = NULL;
1201                         }
1202                 if (pcrls)
1203                         {
1204                         sk_X509_CRL_pop_free(*pcrls, X509_CRL_free);
1205                         *pcrls = NULL;
1206                         }
1207                 BIO_printf(err,"unable to load %s\n",
1208                                 pcerts ? "certificates" : "CRLs");
1209                 ERR_print_errors(err);
1210                 }
1211         return rv;
1212         }
1213
1214 STACK_OF(X509) *load_certs(BIO *err, const char *file, int format,
1215         const char *pass, ENGINE *e, const char *desc)
1216         {
1217         STACK_OF(X509) *certs;
1218         if (!load_certs_crls(err, file, format, pass, e, desc, &certs, NULL))
1219                 return NULL;
1220         return certs;
1221         }       
1222
1223 STACK_OF(X509_CRL) *load_crls(BIO *err, const char *file, int format,
1224         const char *pass, ENGINE *e, const char *desc)
1225         {
1226         STACK_OF(X509_CRL) *crls;
1227         if (!load_certs_crls(err, file, format, pass, e, desc, NULL, &crls))
1228                 return NULL;
1229         return crls;
1230         }       
1231
1232 #define X509V3_EXT_UNKNOWN_MASK         (0xfL << 16)
1233 /* Return error for unknown extensions */
1234 #define X509V3_EXT_DEFAULT              0
1235 /* Print error for unknown extensions */
1236 #define X509V3_EXT_ERROR_UNKNOWN        (1L << 16)
1237 /* ASN1 parse unknown extensions */
1238 #define X509V3_EXT_PARSE_UNKNOWN        (2L << 16)
1239 /* BIO_dump unknown extensions */
1240 #define X509V3_EXT_DUMP_UNKNOWN         (3L << 16)
1241
1242 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1243                          X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1244
1245 int set_cert_ex(unsigned long *flags, const char *arg)
1246 {
1247         static const NAME_EX_TBL cert_tbl[] = {
1248                 { "compatible", X509_FLAG_COMPAT, 0xffffffffl},
1249                 { "ca_default", X509_FLAG_CA, 0xffffffffl},
1250                 { "no_header", X509_FLAG_NO_HEADER, 0},
1251                 { "no_version", X509_FLAG_NO_VERSION, 0},
1252                 { "no_serial", X509_FLAG_NO_SERIAL, 0},
1253                 { "no_signame", X509_FLAG_NO_SIGNAME, 0},
1254                 { "no_validity", X509_FLAG_NO_VALIDITY, 0},
1255                 { "no_subject", X509_FLAG_NO_SUBJECT, 0},
1256                 { "no_issuer", X509_FLAG_NO_ISSUER, 0},
1257                 { "no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1258                 { "no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1259                 { "no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1260                 { "no_aux", X509_FLAG_NO_AUX, 0},
1261                 { "no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1262                 { "ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1263                 { "ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1264                 { "ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1265                 { "ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1266                 { NULL, 0, 0}
1267         };
1268         return set_multi_opts(flags, arg, cert_tbl);
1269 }
1270
1271 int set_name_ex(unsigned long *flags, const char *arg)
1272 {
1273         static const NAME_EX_TBL ex_tbl[] = {
1274                 { "esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1275                 { "esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1276                 { "esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1277                 { "use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1278                 { "utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1279                 { "ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1280                 { "show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1281                 { "dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1282                 { "dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1283                 { "dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1284                 { "compat", XN_FLAG_COMPAT, 0xffffffffL},
1285                 { "sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1286                 { "sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1287                 { "sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1288                 { "sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1289                 { "dn_rev", XN_FLAG_DN_REV, 0},
1290                 { "nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1291                 { "sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1292                 { "lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1293                 { "align", XN_FLAG_FN_ALIGN, 0},
1294                 { "oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1295                 { "space_eq", XN_FLAG_SPC_EQ, 0},
1296                 { "dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1297                 { "RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1298                 { "oneline", XN_FLAG_ONELINE, 0xffffffffL},
1299                 { "multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1300                 { "ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1301                 { NULL, 0, 0}
1302         };
1303         return set_multi_opts(flags, arg, ex_tbl);
1304 }
1305
1306 int set_ext_copy(int *copy_type, const char *arg)
1307 {
1308         if (!strcasecmp(arg, "none"))
1309                 *copy_type = EXT_COPY_NONE;
1310         else if (!strcasecmp(arg, "copy"))
1311                 *copy_type = EXT_COPY_ADD;
1312         else if (!strcasecmp(arg, "copyall"))
1313                 *copy_type = EXT_COPY_ALL;
1314         else
1315                 return 0;
1316         return 1;
1317 }
1318
1319 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1320 {
1321         STACK_OF(X509_EXTENSION) *exts = NULL;
1322         X509_EXTENSION *ext, *tmpext;
1323         ASN1_OBJECT *obj;
1324         int i, idx, ret = 0;
1325         if (!x || !req || (copy_type == EXT_COPY_NONE))
1326                 return 1;
1327         exts = X509_REQ_get_extensions(req);
1328
1329         for(i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1330                 ext = sk_X509_EXTENSION_value(exts, i);
1331                 obj = X509_EXTENSION_get_object(ext);
1332                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1333                 /* Does extension exist? */
1334                 if (idx != -1) {
1335                         /* If normal copy don't override existing extension */
1336                         if (copy_type == EXT_COPY_ADD)
1337                                 continue;
1338                         /* Delete all extensions of same type */
1339                         do {
1340                                 tmpext = X509_get_ext(x, idx);
1341                                 X509_delete_ext(x, idx);
1342                                 X509_EXTENSION_free(tmpext);
1343                                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1344                         } while (idx != -1);
1345                 }
1346                 if (!X509_add_ext(x, ext, -1))
1347                         goto end;
1348         }
1349
1350         ret = 1;
1351
1352         end:
1353
1354         sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1355
1356         return ret;
1357 }
1358                 
1359                 
1360                         
1361
1362 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1363 {
1364         STACK_OF(CONF_VALUE) *vals;
1365         CONF_VALUE *val;
1366         int i, ret = 1;
1367         if(!arg) return 0;
1368         vals = X509V3_parse_list(arg);
1369         for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1370                 val = sk_CONF_VALUE_value(vals, i);
1371                 if (!set_table_opts(flags, val->name, in_tbl))
1372                         ret = 0;
1373         }
1374         sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1375         return ret;
1376 }
1377
1378 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1379 {
1380         char c;
1381         const NAME_EX_TBL *ptbl;
1382         c = arg[0];
1383
1384         if(c == '-') {
1385                 c = 0;
1386                 arg++;
1387         } else if (c == '+') {
1388                 c = 1;
1389                 arg++;
1390         } else c = 1;
1391
1392         for(ptbl = in_tbl; ptbl->name; ptbl++) {
1393                 if(!strcasecmp(arg, ptbl->name)) {
1394                         *flags &= ~ptbl->mask;
1395                         if(c) *flags |= ptbl->flag;
1396                         else *flags &= ~ptbl->flag;
1397                         return 1;
1398                 }
1399         }
1400         return 0;
1401 }
1402
1403 void print_name(BIO *out, const char *title, X509_NAME *nm, unsigned long lflags)
1404 {
1405         char *buf;
1406         char mline = 0;
1407         int indent = 0;
1408
1409         if(title) BIO_puts(out, title);
1410         if((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1411                 mline = 1;
1412                 indent = 4;
1413         }
1414         if(lflags == XN_FLAG_COMPAT) {
1415                 buf = X509_NAME_oneline(nm, 0, 0);
1416                 BIO_puts(out, buf);
1417                 BIO_puts(out, "\n");
1418                 OPENSSL_free(buf);
1419         } else {
1420                 if(mline) BIO_puts(out, "\n");
1421                 X509_NAME_print_ex(out, nm, indent, lflags);
1422                 BIO_puts(out, "\n");
1423         }
1424 }
1425
1426 X509_STORE *setup_verify(BIO *bp, char *CAfile, char *CApath)
1427 {
1428         X509_STORE *store;
1429         X509_LOOKUP *lookup;
1430         if(!(store = X509_STORE_new())) goto end;
1431         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file());
1432         if (lookup == NULL) goto end;
1433         if (CAfile) {
1434                 if(!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) {
1435                         BIO_printf(bp, "Error loading file %s\n", CAfile);
1436                         goto end;
1437                 }
1438         } else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
1439                 
1440         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir());
1441         if (lookup == NULL) goto end;
1442         if (CApath) {
1443                 if(!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) {
1444                         BIO_printf(bp, "Error loading directory %s\n", CApath);
1445                         goto end;
1446                 }
1447         } else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
1448
1449         ERR_clear_error();
1450         return store;
1451         end:
1452         X509_STORE_free(store);
1453         return NULL;
1454 }
1455
1456 #ifndef OPENSSL_NO_ENGINE
1457 /* Try to load an engine in a shareable library */
1458 static ENGINE *try_load_engine(BIO *err, const char *engine, int debug)
1459         {
1460         ENGINE *e = ENGINE_by_id("dynamic");
1461         if (e)
1462                 {
1463                 if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
1464                         || !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0))
1465                         {
1466                         ENGINE_free(e);
1467                         e = NULL;
1468                         }
1469                 }
1470         return e;
1471         }
1472
1473 ENGINE *setup_engine(BIO *err, const char *engine, int debug)
1474         {
1475         ENGINE *e = NULL;
1476
1477         if (engine)
1478                 {
1479                 if(strcmp(engine, "auto") == 0)
1480                         {
1481                         BIO_printf(err,"enabling auto ENGINE support\n");
1482                         ENGINE_register_all_complete();
1483                         return NULL;
1484                         }
1485                 if((e = ENGINE_by_id(engine)) == NULL
1486                         && (e = try_load_engine(err, engine, debug)) == NULL)
1487                         {
1488                         BIO_printf(err,"invalid engine \"%s\"\n", engine);
1489                         ERR_print_errors(err);
1490                         return NULL;
1491                         }
1492                 if (debug)
1493                         {
1494                         ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM,
1495                                 0, err, 0);
1496                         }
1497                 ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
1498                 if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
1499                         {
1500                         BIO_printf(err,"can't use that engine\n");
1501                         ERR_print_errors(err);
1502                         ENGINE_free(e);
1503                         return NULL;
1504                         }
1505
1506                 BIO_printf(err,"engine \"%s\" set.\n", ENGINE_get_id(e));
1507
1508                 /* Free our "structural" reference. */
1509                 ENGINE_free(e);
1510                 }
1511         return e;
1512         }
1513 #endif
1514
1515 int load_config(BIO *err, CONF *cnf)
1516         {
1517         static int load_config_called = 0;
1518         if (load_config_called)
1519                 return 1;
1520         load_config_called = 1;
1521         if (!cnf)
1522                 cnf = config;
1523         if (!cnf)
1524                 return 1;
1525
1526         OPENSSL_load_builtin_modules();
1527
1528         if (CONF_modules_load(cnf, NULL, 0) <= 0)
1529                 {
1530                 BIO_printf(err, "Error configuring OpenSSL\n");
1531                 ERR_print_errors(err);
1532                 return 0;
1533                 }
1534         return 1;
1535         }
1536
1537 char *make_config_name()
1538         {
1539         const char *t=X509_get_default_cert_area();
1540         size_t len;
1541         char *p;
1542
1543         len=strlen(t)+strlen(OPENSSL_CONF)+2;
1544         p=OPENSSL_malloc(len);
1545         BUF_strlcpy(p,t,len);
1546 #ifndef OPENSSL_SYS_VMS
1547         BUF_strlcat(p,"/",len);
1548 #endif
1549         BUF_strlcat(p,OPENSSL_CONF,len);
1550
1551         return p;
1552         }
1553
1554 static unsigned long index_serial_hash(const OPENSSL_CSTRING *a)
1555         {
1556         const char *n;
1557
1558         n=a[DB_serial];
1559         while (*n == '0') n++;
1560         return(lh_strhash(n));
1561         }
1562
1563 static int index_serial_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
1564         {
1565         const char *aa,*bb;
1566
1567         for (aa=a[DB_serial]; *aa == '0'; aa++);
1568         for (bb=b[DB_serial]; *bb == '0'; bb++);
1569         return(strcmp(aa,bb));
1570         }
1571
1572 static int index_name_qual(char **a)
1573         { return(a[0][0] == 'V'); }
1574
1575 static unsigned long index_name_hash(const OPENSSL_CSTRING *a)
1576         { return(lh_strhash(a[DB_name])); }
1577
1578 int index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
1579         { return(strcmp(a[DB_name], b[DB_name])); }
1580
1581 static IMPLEMENT_LHASH_HASH_FN(index_serial, OPENSSL_CSTRING)
1582 static IMPLEMENT_LHASH_COMP_FN(index_serial, OPENSSL_CSTRING)
1583 static IMPLEMENT_LHASH_HASH_FN(index_name, OPENSSL_CSTRING)
1584 static IMPLEMENT_LHASH_COMP_FN(index_name, OPENSSL_CSTRING)
1585
1586 #undef BSIZE
1587 #define BSIZE 256
1588
1589 BIGNUM *load_serial(char *serialfile, int create, ASN1_INTEGER **retai)
1590         {
1591         BIO *in=NULL;
1592         BIGNUM *ret=NULL;
1593         MS_STATIC char buf[1024];
1594         ASN1_INTEGER *ai=NULL;
1595
1596         ai=ASN1_INTEGER_new();
1597         if (ai == NULL) goto err;
1598
1599         if ((in=BIO_new(BIO_s_file())) == NULL)
1600                 {
1601                 ERR_print_errors(bio_err);
1602                 goto err;
1603                 }
1604
1605         if (BIO_read_filename(in,serialfile) <= 0)
1606                 {
1607                 if (!create)
1608                         {
1609                         perror(serialfile);
1610                         goto err;
1611                         }
1612                 else
1613                         {
1614                         ret=BN_new();
1615                         if (ret == NULL || !rand_serial(ret, ai))
1616                                 BIO_printf(bio_err, "Out of memory\n");
1617                         }
1618                 }
1619         else
1620                 {
1621                 if (!a2i_ASN1_INTEGER(in,ai,buf,1024))
1622                         {
1623                         BIO_printf(bio_err,"unable to load number from %s\n",
1624                                 serialfile);
1625                         goto err;
1626                         }
1627                 ret=ASN1_INTEGER_to_BN(ai,NULL);
1628                 if (ret == NULL)
1629                         {
1630                         BIO_printf(bio_err,"error converting number from bin to BIGNUM\n");
1631                         goto err;
1632                         }
1633                 }
1634
1635         if (ret && retai)
1636                 {
1637                 *retai = ai;
1638                 ai = NULL;
1639                 }
1640  err:
1641         if (in != NULL) BIO_free(in);
1642         if (ai != NULL) ASN1_INTEGER_free(ai);
1643         return(ret);
1644         }
1645
1646 int save_serial(char *serialfile, char *suffix, BIGNUM *serial, ASN1_INTEGER **retai)
1647         {
1648         char buf[1][BSIZE];
1649         BIO *out = NULL;
1650         int ret=0;
1651         ASN1_INTEGER *ai=NULL;
1652         int j;
1653
1654         if (suffix == NULL)
1655                 j = strlen(serialfile);
1656         else
1657                 j = strlen(serialfile) + strlen(suffix) + 1;
1658         if (j >= BSIZE)
1659                 {
1660                 BIO_printf(bio_err,"file name too long\n");
1661                 goto err;
1662                 }
1663
1664         if (suffix == NULL)
1665                 BUF_strlcpy(buf[0], serialfile, BSIZE);
1666         else
1667                 {
1668 #ifndef OPENSSL_SYS_VMS
1669                 j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", serialfile, suffix);
1670 #else
1671                 j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", serialfile, suffix);
1672 #endif
1673                 }
1674 #ifdef RL_DEBUG
1675         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1676 #endif
1677         out=BIO_new(BIO_s_file());
1678         if (out == NULL)
1679                 {
1680                 ERR_print_errors(bio_err);
1681                 goto err;
1682                 }
1683         if (BIO_write_filename(out,buf[0]) <= 0)
1684                 {
1685                 perror(serialfile);
1686                 goto err;
1687                 }
1688
1689         if ((ai=BN_to_ASN1_INTEGER(serial,NULL)) == NULL)
1690                 {
1691                 BIO_printf(bio_err,"error converting serial to ASN.1 format\n");
1692                 goto err;
1693                 }
1694         i2a_ASN1_INTEGER(out,ai);
1695         BIO_puts(out,"\n");
1696         ret=1;
1697         if (retai)
1698                 {
1699                 *retai = ai;
1700                 ai = NULL;
1701                 }
1702 err:
1703         if (out != NULL) BIO_free_all(out);
1704         if (ai != NULL) ASN1_INTEGER_free(ai);
1705         return(ret);
1706         }
1707
1708 int rotate_serial(char *serialfile, char *new_suffix, char *old_suffix)
1709         {
1710         char buf[5][BSIZE];
1711         int i,j;
1712
1713         i = strlen(serialfile) + strlen(old_suffix);
1714         j = strlen(serialfile) + strlen(new_suffix);
1715         if (i > j) j = i;
1716         if (j + 1 >= BSIZE)
1717                 {
1718                 BIO_printf(bio_err,"file name too long\n");
1719                 goto err;
1720                 }
1721
1722 #ifndef OPENSSL_SYS_VMS
1723         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1724                 serialfile, new_suffix);
1725 #else
1726         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1727                 serialfile, new_suffix);
1728 #endif
1729 #ifndef OPENSSL_SYS_VMS
1730         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1731                 serialfile, old_suffix);
1732 #else
1733         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
1734                 serialfile, old_suffix);
1735 #endif
1736 #ifdef RL_DEBUG
1737         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1738                 serialfile, buf[1]);
1739 #endif
1740         if (rename(serialfile,buf[1]) < 0 && errno != ENOENT
1741 #ifdef ENOTDIR
1742                         && errno != ENOTDIR
1743 #endif
1744            )            {
1745                         BIO_printf(bio_err,
1746                                 "unable to rename %s to %s\n",
1747                                 serialfile, buf[1]);
1748                         perror("reason");
1749                         goto err;
1750                         }
1751 #ifdef RL_DEBUG
1752         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1753                 buf[0],serialfile);
1754 #endif
1755         if (rename(buf[0],serialfile) < 0)
1756                 {
1757                 BIO_printf(bio_err,
1758                         "unable to rename %s to %s\n",
1759                         buf[0],serialfile);
1760                 perror("reason");
1761                 rename(buf[1],serialfile);
1762                 goto err;
1763                 }
1764         return 1;
1765  err:
1766         return 0;
1767         }
1768
1769 int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1770         {
1771         BIGNUM *btmp;
1772         int ret = 0;
1773         if (b)
1774                 btmp = b;
1775         else
1776                 btmp = BN_new();
1777
1778         if (!btmp)
1779                 return 0;
1780
1781         if (!BN_pseudo_rand(btmp, SERIAL_RAND_BITS, 0, 0))
1782                 goto error;
1783         if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1784                 goto error;
1785
1786         ret = 1;
1787         
1788         error:
1789
1790         if (!b)
1791                 BN_free(btmp);
1792         
1793         return ret;
1794         }
1795
1796 CA_DB *load_index(char *dbfile, DB_ATTR *db_attr)
1797         {
1798         CA_DB *retdb = NULL;
1799         TXT_DB *tmpdb = NULL;
1800         BIO *in = BIO_new(BIO_s_file());
1801         CONF *dbattr_conf = NULL;
1802         char buf[1][BSIZE];
1803         long errorline= -1;
1804
1805         if (in == NULL)
1806                 {
1807                 ERR_print_errors(bio_err);
1808                 goto err;
1809                 }
1810         if (BIO_read_filename(in,dbfile) <= 0)
1811                 {
1812                 perror(dbfile);
1813                 BIO_printf(bio_err,"unable to open '%s'\n",dbfile);
1814                 goto err;
1815                 }
1816         if ((tmpdb = TXT_DB_read(in,DB_NUMBER)) == NULL)
1817                 goto err;
1818
1819 #ifndef OPENSSL_SYS_VMS
1820         BIO_snprintf(buf[0], sizeof buf[0], "%s.attr", dbfile);
1821 #else
1822         BIO_snprintf(buf[0], sizeof buf[0], "%s-attr", dbfile);
1823 #endif
1824         dbattr_conf = NCONF_new(NULL);
1825         if (NCONF_load(dbattr_conf,buf[0],&errorline) <= 0)
1826                 {
1827                 if (errorline > 0)
1828                         {
1829                         BIO_printf(bio_err,
1830                                 "error on line %ld of db attribute file '%s'\n"
1831                                 ,errorline,buf[0]);
1832                         goto err;
1833                         }
1834                 else
1835                         {
1836                         NCONF_free(dbattr_conf);
1837                         dbattr_conf = NULL;
1838                         }
1839                 }
1840
1841         if ((retdb = OPENSSL_malloc(sizeof(CA_DB))) == NULL)
1842                 {
1843                 fprintf(stderr, "Out of memory\n");
1844                 goto err;
1845                 }
1846
1847         retdb->db = tmpdb;
1848         tmpdb = NULL;
1849         if (db_attr)
1850                 retdb->attributes = *db_attr;
1851         else
1852                 {
1853                 retdb->attributes.unique_subject = 1;
1854                 }
1855
1856         if (dbattr_conf)
1857                 {
1858                 char *p = NCONF_get_string(dbattr_conf,NULL,"unique_subject");
1859                 if (p)
1860                         {
1861 #ifdef RL_DEBUG
1862                         BIO_printf(bio_err, "DEBUG[load_index]: unique_subject = \"%s\"\n", p);
1863 #endif
1864                         retdb->attributes.unique_subject = parse_yesno(p,1);
1865                         }
1866                 }
1867
1868  err:
1869         if (dbattr_conf) NCONF_free(dbattr_conf);
1870         if (tmpdb) TXT_DB_free(tmpdb);
1871         if (in) BIO_free_all(in);
1872         return retdb;
1873         }
1874
1875 int index_index(CA_DB *db)
1876         {
1877         if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1878                                 LHASH_HASH_FN(index_serial),
1879                                 LHASH_COMP_FN(index_serial)))
1880                 {
1881                 BIO_printf(bio_err,
1882                   "error creating serial number index:(%ld,%ld,%ld)\n",
1883                                         db->db->error,db->db->arg1,db->db->arg2);
1884                         return 0;
1885                 }
1886
1887         if (db->attributes.unique_subject
1888                 && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1889                         LHASH_HASH_FN(index_name),
1890                         LHASH_COMP_FN(index_name)))
1891                 {
1892                 BIO_printf(bio_err,"error creating name index:(%ld,%ld,%ld)\n",
1893                         db->db->error,db->db->arg1,db->db->arg2);
1894                 return 0;
1895                 }
1896         return 1;
1897         }
1898
1899 int save_index(const char *dbfile, const char *suffix, CA_DB *db)
1900         {
1901         char buf[3][BSIZE];
1902         BIO *out = BIO_new(BIO_s_file());
1903         int j;
1904
1905         if (out == NULL)
1906                 {
1907                 ERR_print_errors(bio_err);
1908                 goto err;
1909                 }
1910
1911         j = strlen(dbfile) + strlen(suffix);
1912         if (j + 6 >= BSIZE)
1913                 {
1914                 BIO_printf(bio_err,"file name too long\n");
1915                 goto err;
1916                 }
1917
1918 #ifndef OPENSSL_SYS_VMS
1919         j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr", dbfile);
1920 #else
1921         j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr", dbfile);
1922 #endif
1923 #ifndef OPENSSL_SYS_VMS
1924         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.attr.%s", dbfile, suffix);
1925 #else
1926         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-attr-%s", dbfile, suffix);
1927 #endif
1928 #ifndef OPENSSL_SYS_VMS
1929         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", dbfile, suffix);
1930 #else
1931         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", dbfile, suffix);
1932 #endif
1933 #ifdef RL_DEBUG
1934         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1935 #endif
1936         if (BIO_write_filename(out,buf[0]) <= 0)
1937                 {
1938                 perror(dbfile);
1939                 BIO_printf(bio_err,"unable to open '%s'\n", dbfile);
1940                 goto err;
1941                 }
1942         j=TXT_DB_write(out,db->db);
1943         if (j <= 0) goto err;
1944                         
1945         BIO_free(out);
1946
1947         out = BIO_new(BIO_s_file());
1948 #ifdef RL_DEBUG
1949         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[1]);
1950 #endif
1951         if (BIO_write_filename(out,buf[1]) <= 0)
1952                 {
1953                 perror(buf[2]);
1954                 BIO_printf(bio_err,"unable to open '%s'\n", buf[2]);
1955                 goto err;
1956                 }
1957         BIO_printf(out,"unique_subject = %s\n",
1958                 db->attributes.unique_subject ? "yes" : "no");
1959         BIO_free(out);
1960
1961         return 1;
1962  err:
1963         return 0;
1964         }
1965
1966 int rotate_index(const char *dbfile, const char *new_suffix, const char *old_suffix)
1967         {
1968         char buf[5][BSIZE];
1969         int i,j;
1970
1971         i = strlen(dbfile) + strlen(old_suffix);
1972         j = strlen(dbfile) + strlen(new_suffix);
1973         if (i > j) j = i;
1974         if (j + 6 >= BSIZE)
1975                 {
1976                 BIO_printf(bio_err,"file name too long\n");
1977                 goto err;
1978                 }
1979
1980 #ifndef OPENSSL_SYS_VMS
1981         j = BIO_snprintf(buf[4], sizeof buf[4], "%s.attr", dbfile);
1982 #else
1983         j = BIO_snprintf(buf[4], sizeof buf[4], "%s-attr", dbfile);
1984 #endif
1985 #ifndef OPENSSL_SYS_VMS
1986         j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr.%s",
1987                 dbfile, new_suffix);
1988 #else
1989         j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr-%s",
1990                 dbfile, new_suffix);
1991 #endif
1992 #ifndef OPENSSL_SYS_VMS
1993         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1994                 dbfile, new_suffix);
1995 #else
1996         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1997                 dbfile, new_suffix);
1998 #endif
1999 #ifndef OPENSSL_SYS_VMS
2000         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
2001                 dbfile, old_suffix);
2002 #else
2003         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
2004                 dbfile, old_suffix);
2005 #endif
2006 #ifndef OPENSSL_SYS_VMS
2007         j = BIO_snprintf(buf[3], sizeof buf[3], "%s.attr.%s",
2008                 dbfile, old_suffix);
2009 #else
2010         j = BIO_snprintf(buf[3], sizeof buf[3], "%s-attr-%s",
2011                 dbfile, old_suffix);
2012 #endif
2013 #ifdef RL_DEBUG
2014         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
2015                 dbfile, buf[1]);
2016 #endif
2017         if (rename(dbfile,buf[1]) < 0 && errno != ENOENT
2018 #ifdef ENOTDIR
2019                 && errno != ENOTDIR
2020 #endif
2021            )            {
2022                         BIO_printf(bio_err,
2023                                 "unable to rename %s to %s\n",
2024                                 dbfile, buf[1]);
2025                         perror("reason");
2026                         goto err;
2027                         }
2028 #ifdef RL_DEBUG
2029         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
2030                 buf[0],dbfile);
2031 #endif
2032         if (rename(buf[0],dbfile) < 0)
2033                 {
2034                 BIO_printf(bio_err,
2035                         "unable to rename %s to %s\n",
2036                         buf[0],dbfile);
2037                 perror("reason");
2038                 rename(buf[1],dbfile);
2039                 goto err;
2040                 }
2041 #ifdef RL_DEBUG
2042         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
2043                 buf[4],buf[3]);
2044 #endif
2045         if (rename(buf[4],buf[3]) < 0 && errno != ENOENT
2046 #ifdef ENOTDIR
2047                 && errno != ENOTDIR
2048 #endif
2049            )            {
2050                         BIO_printf(bio_err,
2051                                 "unable to rename %s to %s\n",
2052                                 buf[4], buf[3]);
2053                         perror("reason");
2054                         rename(dbfile,buf[0]);
2055                         rename(buf[1],dbfile);
2056                         goto err;
2057                         }
2058 #ifdef RL_DEBUG
2059         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
2060                 buf[2],buf[4]);
2061 #endif
2062         if (rename(buf[2],buf[4]) < 0)
2063                 {
2064                 BIO_printf(bio_err,
2065                         "unable to rename %s to %s\n",
2066                         buf[2],buf[4]);
2067                 perror("reason");
2068                 rename(buf[3],buf[4]);
2069                 rename(dbfile,buf[0]);
2070                 rename(buf[1],dbfile);
2071                 goto err;
2072                 }
2073         return 1;
2074  err:
2075         return 0;
2076         }
2077
2078 void free_index(CA_DB *db)
2079         {
2080         if (db)
2081                 {
2082                 if (db->db) TXT_DB_free(db->db);
2083                 OPENSSL_free(db);
2084                 }
2085         }
2086
2087 int parse_yesno(const char *str, int def)
2088         {
2089         int ret = def;
2090         if (str)
2091                 {
2092                 switch (*str)
2093                         {
2094                 case 'f': /* false */
2095                 case 'F': /* FALSE */
2096                 case 'n': /* no */
2097                 case 'N': /* NO */
2098                 case '0': /* 0 */
2099                         ret = 0;
2100                         break;
2101                 case 't': /* true */
2102                 case 'T': /* TRUE */
2103                 case 'y': /* yes */
2104                 case 'Y': /* YES */
2105                 case '1': /* 1 */
2106                         ret = 1;
2107                         break;
2108                 default:
2109                         ret = def;
2110                         break;
2111                         }
2112                 }
2113         return ret;
2114         }
2115
2116 /*
2117  * subject is expected to be in the format /type0=value0/type1=value1/type2=...
2118  * where characters may be escaped by \
2119  */
2120 X509_NAME *parse_name(char *subject, long chtype, int multirdn)
2121         {
2122         size_t buflen = strlen(subject)+1; /* to copy the types and values into. due to escaping, the copy can only become shorter */
2123         char *buf = OPENSSL_malloc(buflen);
2124         size_t max_ne = buflen / 2 + 1; /* maximum number of name elements */
2125         char **ne_types = OPENSSL_malloc(max_ne * sizeof (char *));
2126         char **ne_values = OPENSSL_malloc(max_ne * sizeof (char *));
2127         int *mval = OPENSSL_malloc (max_ne * sizeof (int));
2128
2129         char *sp = subject, *bp = buf;
2130         int i, ne_num = 0;
2131
2132         X509_NAME *n = NULL;
2133         int nid;
2134
2135         if (!buf || !ne_types || !ne_values)
2136                 {
2137                 BIO_printf(bio_err, "malloc error\n");
2138                 goto error;
2139                 }       
2140
2141         if (*subject != '/')
2142                 {
2143                 BIO_printf(bio_err, "Subject does not start with '/'.\n");
2144                 goto error;
2145                 }
2146         sp++; /* skip leading / */
2147
2148         /* no multivalued RDN by default */
2149         mval[ne_num] = 0;
2150
2151         while (*sp)
2152                 {
2153                 /* collect type */
2154                 ne_types[ne_num] = bp;
2155                 while (*sp)
2156                         {
2157                         if (*sp == '\\') /* is there anything to escape in the type...? */
2158                                 {
2159                                 if (*++sp)
2160                                         *bp++ = *sp++;
2161                                 else    
2162                                         {
2163                                         BIO_printf(bio_err, "escape character at end of string\n");
2164                                         goto error;
2165                                         }
2166                                 }       
2167                         else if (*sp == '=')
2168                                 {
2169                                 sp++;
2170                                 *bp++ = '\0';
2171                                 break;
2172                                 }
2173                         else
2174                                 *bp++ = *sp++;
2175                         }
2176                 if (!*sp)
2177                         {
2178                         BIO_printf(bio_err, "end of string encountered while processing type of subject name element #%d\n", ne_num);
2179                         goto error;
2180                         }
2181                 ne_values[ne_num] = bp;
2182                 while (*sp)
2183                         {
2184                         if (*sp == '\\')
2185                                 {
2186                                 if (*++sp)
2187                                         *bp++ = *sp++;
2188                                 else
2189                                         {
2190                                         BIO_printf(bio_err, "escape character at end of string\n");
2191                                         goto error;
2192                                         }
2193                                 }
2194                         else if (*sp == '/')
2195                                 {
2196                                 sp++;
2197                                 /* no multivalued RDN by default */
2198                                 mval[ne_num+1] = 0;
2199                                 break;
2200                                 }
2201                         else if (*sp == '+' && multirdn)
2202                                 {
2203                                 /* a not escaped + signals a mutlivalued RDN */
2204                                 sp++;
2205                                 mval[ne_num+1] = -1;
2206                                 break;
2207                                 }
2208                         else
2209                                 *bp++ = *sp++;
2210                         }
2211                 *bp++ = '\0';
2212                 ne_num++;
2213                 }       
2214
2215         if (!(n = X509_NAME_new()))
2216                 goto error;
2217
2218         for (i = 0; i < ne_num; i++)
2219                 {
2220                 if ((nid=OBJ_txt2nid(ne_types[i])) == NID_undef)
2221                         {
2222                         BIO_printf(bio_err, "Subject Attribute %s has no known NID, skipped\n", ne_types[i]);
2223                         continue;
2224                         }
2225
2226                 if (!*ne_values[i])
2227                         {
2228                         BIO_printf(bio_err, "No value provided for Subject Attribute %s, skipped\n", ne_types[i]);
2229                         continue;
2230                         }
2231
2232                 if (!X509_NAME_add_entry_by_NID(n, nid, chtype, (unsigned char*)ne_values[i], -1,-1,mval[i]))
2233                         goto error;
2234                 }
2235
2236         OPENSSL_free(ne_values);
2237         OPENSSL_free(ne_types);
2238         OPENSSL_free(buf);
2239         return n;
2240
2241 error:
2242         X509_NAME_free(n);
2243         if (ne_values)
2244                 OPENSSL_free(ne_values);
2245         if (ne_types)
2246                 OPENSSL_free(ne_types);
2247         if (buf)
2248                 OPENSSL_free(buf);
2249         return NULL;
2250 }
2251
2252 int args_verify(char ***pargs, int *pargc,
2253                         int *badarg, BIO *err, X509_VERIFY_PARAM **pm)
2254         {
2255         ASN1_OBJECT *otmp = NULL;
2256         unsigned long flags = 0;
2257         int i;
2258         int purpose = 0, depth = -1;
2259         char **oldargs = *pargs;
2260         char *arg = **pargs, *argn = (*pargs)[1];
2261         const X509_VERIFY_PARAM *vpm = NULL;
2262         time_t at_time = 0;
2263         if (!strcmp(arg, "-policy"))
2264                 {
2265                 if (!argn)
2266                         *badarg = 1;
2267                 else
2268                         {
2269                         otmp = OBJ_txt2obj(argn, 0);
2270                         if (!otmp)
2271                                 {
2272                                 BIO_printf(err, "Invalid Policy \"%s\"\n",
2273                                                                         argn);
2274                                 *badarg = 1;
2275                                 }
2276                         }
2277                 (*pargs)++;
2278                 }
2279         else if (strcmp(arg,"-purpose") == 0)
2280                 {
2281                 X509_PURPOSE *xptmp;
2282                 if (!argn)
2283                         *badarg = 1;
2284                 else
2285                         {
2286                         i = X509_PURPOSE_get_by_sname(argn);
2287                         if(i < 0)
2288                                 {
2289                                 BIO_printf(err, "unrecognized purpose\n");
2290                                 *badarg = 1;
2291                                 }
2292                         else
2293                                 {
2294                                 xptmp = X509_PURPOSE_get0(i);
2295                                 purpose = X509_PURPOSE_get_id(xptmp);
2296                                 }
2297                         }
2298                 (*pargs)++;
2299                 }
2300         else if (strcmp(arg,"-verify_name") == 0)
2301                 {
2302                 if (!argn)
2303                         *badarg = 1;
2304                 else
2305                         {
2306                         vpm = X509_VERIFY_PARAM_lookup(argn);
2307                         if(!vpm)
2308                                 {
2309                                 BIO_printf(err, "unrecognized verify name\n");
2310                                 *badarg = 1;
2311                                 }
2312                         }
2313                 (*pargs)++;
2314                 }
2315         else if (strcmp(arg,"-verify_depth") == 0)
2316                 {
2317                 if (!argn)
2318                         *badarg = 1;
2319                 else
2320                         {
2321                         depth = atoi(argn);
2322                         if(depth < 0)
2323                                 {
2324                                 BIO_printf(err, "invalid depth\n");
2325                                 *badarg = 1;
2326                                 }
2327                         }
2328                 (*pargs)++;
2329                 }
2330         else if (strcmp(arg,"-attime") == 0)
2331                 {
2332                 if (!argn)
2333                         *badarg = 1;
2334                 else
2335                         {
2336                         long timestamp;
2337                         /* interpret the -attime argument as seconds since
2338                          * Epoch */
2339                         if (sscanf(argn, "%li", &timestamp) != 1)
2340                                 {
2341                                 BIO_printf(bio_err,
2342                                                 "Error parsing timestamp %s\n",
2343                                                 argn);
2344                                 *badarg = 1;
2345                                 }
2346                         /* on some platforms time_t may be a float */
2347                         at_time = (time_t) timestamp;
2348                         }
2349                 (*pargs)++;
2350                 }
2351         else if (!strcmp(arg, "-ignore_critical"))
2352                 flags |= X509_V_FLAG_IGNORE_CRITICAL;
2353         else if (!strcmp(arg, "-issuer_checks"))
2354                 flags |= X509_V_FLAG_CB_ISSUER_CHECK;
2355         else if (!strcmp(arg, "-crl_check"))
2356                 flags |=  X509_V_FLAG_CRL_CHECK;
2357         else if (!strcmp(arg, "-crl_check_all"))
2358                 flags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
2359         else if (!strcmp(arg, "-policy_check"))
2360                 flags |= X509_V_FLAG_POLICY_CHECK;
2361         else if (!strcmp(arg, "-explicit_policy"))
2362                 flags |= X509_V_FLAG_EXPLICIT_POLICY;
2363         else if (!strcmp(arg, "-inhibit_any"))
2364                 flags |= X509_V_FLAG_INHIBIT_ANY;
2365         else if (!strcmp(arg, "-inhibit_map"))
2366                 flags |= X509_V_FLAG_INHIBIT_MAP;
2367         else if (!strcmp(arg, "-x509_strict"))
2368                 flags |= X509_V_FLAG_X509_STRICT;
2369         else if (!strcmp(arg, "-extended_crl"))
2370                 flags |= X509_V_FLAG_EXTENDED_CRL_SUPPORT;
2371         else if (!strcmp(arg, "-use_deltas"))
2372                 flags |= X509_V_FLAG_USE_DELTAS;
2373         else if (!strcmp(arg, "-policy_print"))
2374                 flags |= X509_V_FLAG_NOTIFY_POLICY;
2375         else if (!strcmp(arg, "-check_ss_sig"))
2376                 flags |= X509_V_FLAG_CHECK_SS_SIGNATURE;
2377         else if (!strcmp(arg, "-trusted_first"))
2378                 flags |= X509_V_FLAG_TRUSTED_FIRST;
2379         else if (!strcmp(arg, "-suiteB_128_only"))
2380                 flags |= X509_V_FLAG_SUITEB_128_LOS_ONLY;
2381         else if (!strcmp(arg, "-suiteB_128"))
2382                 flags |= X509_V_FLAG_SUITEB_128_LOS;
2383         else if (!strcmp(arg, "-suiteB_192"))
2384                 flags |= X509_V_FLAG_SUITEB_192_LOS;
2385         else
2386                 return 0;
2387
2388         if (*badarg)
2389                 {
2390                 if (*pm)
2391                         X509_VERIFY_PARAM_free(*pm);
2392                 *pm = NULL;
2393                 goto end;
2394                 }
2395
2396         if (!*pm && !(*pm = X509_VERIFY_PARAM_new()))
2397                 {
2398                 *badarg = 1;
2399                 goto end;
2400                 }
2401
2402         if (vpm)
2403                 X509_VERIFY_PARAM_set1(*pm, vpm);
2404
2405         if (otmp)
2406                 X509_VERIFY_PARAM_add0_policy(*pm, otmp);
2407         if (flags)
2408                 X509_VERIFY_PARAM_set_flags(*pm, flags);
2409
2410         if (purpose)
2411                 X509_VERIFY_PARAM_set_purpose(*pm, purpose);
2412
2413         if (depth >= 0)
2414                 X509_VERIFY_PARAM_set_depth(*pm, depth);
2415
2416         if (at_time) 
2417                 X509_VERIFY_PARAM_set_time(*pm, at_time);
2418
2419         end:
2420
2421         (*pargs)++;
2422
2423         if (pargc)
2424                 *pargc -= *pargs - oldargs;
2425
2426         return 1;
2427
2428         }
2429
2430 /* Read whole contents of a BIO into an allocated memory buffer and
2431  * return it.
2432  */
2433
2434 int bio_to_mem(unsigned char **out, int maxlen, BIO *in)
2435         {
2436         BIO *mem;
2437         int len, ret;
2438         unsigned char tbuf[1024];
2439         mem = BIO_new(BIO_s_mem());
2440         if (!mem)
2441                 return -1;
2442         for(;;)
2443                 {
2444                 if ((maxlen != -1) && maxlen < 1024)
2445                         len = maxlen;
2446                 else
2447                         len = 1024;
2448                 len = BIO_read(in, tbuf, len);
2449                 if (len <= 0)
2450                         break;
2451                 if (BIO_write(mem, tbuf, len) != len)
2452                         {
2453                         BIO_free(mem);
2454                         return -1;
2455                         }
2456                 maxlen -= len;
2457
2458                 if (maxlen == 0)
2459                         break;
2460                 }
2461         ret = BIO_get_mem_data(mem, (char **)out);
2462         BIO_set_flags(mem, BIO_FLAGS_MEM_RDONLY);
2463         BIO_free(mem);
2464         return ret;
2465         }
2466
2467 int pkey_ctrl_string(EVP_PKEY_CTX *ctx, char *value)
2468         {
2469         int rv;
2470         char *stmp, *vtmp = NULL;
2471         stmp = BUF_strdup(value);
2472         if (!stmp)
2473                 return -1;
2474         vtmp = strchr(stmp, ':');
2475         if (vtmp)
2476                 {
2477                 *vtmp = 0;
2478                 vtmp++;
2479                 }
2480         rv = EVP_PKEY_CTX_ctrl_str(ctx, stmp, vtmp);
2481         OPENSSL_free(stmp);
2482         return rv;
2483         }
2484
2485 static void nodes_print(BIO *out, const char *name,
2486         STACK_OF(X509_POLICY_NODE) *nodes)
2487         {
2488         X509_POLICY_NODE *node;
2489         int i;
2490         BIO_printf(out, "%s Policies:", name);
2491         if (nodes)
2492                 {
2493                 BIO_puts(out, "\n");
2494                 for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++)
2495                         {
2496                         node = sk_X509_POLICY_NODE_value(nodes, i);
2497                         X509_POLICY_NODE_print(out, node, 2);
2498                         }
2499                 }
2500         else
2501                 BIO_puts(out, " <empty>\n");
2502         }
2503
2504 void policies_print(BIO *out, X509_STORE_CTX *ctx)
2505         {
2506         X509_POLICY_TREE *tree;
2507         int explicit_policy;
2508         int free_out = 0;
2509         if (out == NULL)
2510                 {
2511                 out = BIO_new_fp(stderr, BIO_NOCLOSE);
2512                 free_out = 1;
2513                 }
2514         tree = X509_STORE_CTX_get0_policy_tree(ctx);
2515         explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
2516
2517         BIO_printf(out, "Require explicit Policy: %s\n",
2518                                 explicit_policy ? "True" : "False");
2519
2520         nodes_print(out, "Authority", X509_policy_tree_get0_policies(tree));
2521         nodes_print(out, "User", X509_policy_tree_get0_user_policies(tree));
2522         if (free_out)
2523                 BIO_free(out);
2524         }
2525
2526 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
2527
2528 static JPAKE_CTX *jpake_init(const char *us, const char *them,
2529                                                          const char *secret)
2530         {
2531         BIGNUM *p = NULL;
2532         BIGNUM *g = NULL;
2533         BIGNUM *q = NULL;
2534         BIGNUM *bnsecret = BN_new();
2535         JPAKE_CTX *ctx;
2536
2537         /* Use a safe prime for p (that we found earlier) */
2538         BN_hex2bn(&p, "F9E5B365665EA7A05A9C534502780FEE6F1AB5BD4F49947FD036DBD7E905269AF46EF28B0FC07487EE4F5D20FB3C0AF8E700F3A2FA3414970CBED44FEDFF80CE78D800F184BB82435D137AADA2C6C16523247930A63B85661D1FC817A51ACD96168E95898A1F83A79FFB529368AA7833ABD1B0C3AEDDB14D2E1A2F71D99F763F");
2539         g = BN_new();
2540         BN_set_word(g, 2);
2541         q = BN_new();
2542         BN_rshift1(q, p);
2543
2544         BN_bin2bn((const unsigned char *)secret, strlen(secret), bnsecret);
2545
2546         ctx = JPAKE_CTX_new(us, them, p, g, q, bnsecret);
2547         BN_free(bnsecret);
2548         BN_free(q);
2549         BN_free(g);
2550         BN_free(p);
2551
2552         return ctx;
2553         }
2554
2555 static void jpake_send_part(BIO *conn, const JPAKE_STEP_PART *p)
2556         {
2557         BN_print(conn, p->gx);
2558         BIO_puts(conn, "\n");
2559         BN_print(conn, p->zkpx.gr);
2560         BIO_puts(conn, "\n");
2561         BN_print(conn, p->zkpx.b);
2562         BIO_puts(conn, "\n");
2563         }
2564
2565 static void jpake_send_step1(BIO *bconn, JPAKE_CTX *ctx)
2566         {
2567         JPAKE_STEP1 s1;
2568
2569         JPAKE_STEP1_init(&s1);
2570         JPAKE_STEP1_generate(&s1, ctx);
2571         jpake_send_part(bconn, &s1.p1);
2572         jpake_send_part(bconn, &s1.p2);
2573         (void)BIO_flush(bconn);
2574         JPAKE_STEP1_release(&s1);
2575         }
2576
2577 static void jpake_send_step2(BIO *bconn, JPAKE_CTX *ctx)
2578         {
2579         JPAKE_STEP2 s2;
2580
2581         JPAKE_STEP2_init(&s2);
2582         JPAKE_STEP2_generate(&s2, ctx);
2583         jpake_send_part(bconn, &s2);
2584         (void)BIO_flush(bconn);
2585         JPAKE_STEP2_release(&s2);
2586         }
2587
2588 static void jpake_send_step3a(BIO *bconn, JPAKE_CTX *ctx)
2589         {
2590         JPAKE_STEP3A s3a;
2591
2592         JPAKE_STEP3A_init(&s3a);
2593         JPAKE_STEP3A_generate(&s3a, ctx);
2594         BIO_write(bconn, s3a.hhk, sizeof s3a.hhk);
2595         (void)BIO_flush(bconn);
2596         JPAKE_STEP3A_release(&s3a);
2597         }
2598
2599 static void jpake_send_step3b(BIO *bconn, JPAKE_CTX *ctx)
2600         {
2601         JPAKE_STEP3B s3b;
2602
2603         JPAKE_STEP3B_init(&s3b);
2604         JPAKE_STEP3B_generate(&s3b, ctx);
2605         BIO_write(bconn, s3b.hk, sizeof s3b.hk);
2606         (void)BIO_flush(bconn);
2607         JPAKE_STEP3B_release(&s3b);
2608         }
2609
2610 static void readbn(BIGNUM **bn, BIO *bconn)
2611         {
2612         char buf[10240];
2613         int l;
2614
2615         l = BIO_gets(bconn, buf, sizeof buf);
2616         assert(l > 0);
2617         assert(buf[l-1] == '\n');
2618         buf[l-1] = '\0';
2619         BN_hex2bn(bn, buf);
2620         }
2621
2622 static void jpake_receive_part(JPAKE_STEP_PART *p, BIO *bconn)
2623         {
2624         readbn(&p->gx, bconn);
2625         readbn(&p->zkpx.gr, bconn);
2626         readbn(&p->zkpx.b, bconn);
2627         }
2628
2629 static void jpake_receive_step1(JPAKE_CTX *ctx, BIO *bconn)
2630         {
2631         JPAKE_STEP1 s1;
2632
2633         JPAKE_STEP1_init(&s1);
2634         jpake_receive_part(&s1.p1, bconn);
2635         jpake_receive_part(&s1.p2, bconn);
2636         if(!JPAKE_STEP1_process(ctx, &s1))
2637                 {
2638                 ERR_print_errors(bio_err);
2639                 exit(1);
2640                 }
2641         JPAKE_STEP1_release(&s1);
2642         }
2643
2644 static void jpake_receive_step2(JPAKE_CTX *ctx, BIO *bconn)
2645         {
2646         JPAKE_STEP2 s2;
2647
2648         JPAKE_STEP2_init(&s2);
2649         jpake_receive_part(&s2, bconn);
2650         if(!JPAKE_STEP2_process(ctx, &s2))
2651                 {
2652                 ERR_print_errors(bio_err);
2653                 exit(1);
2654                 }
2655         JPAKE_STEP2_release(&s2);
2656         }
2657
2658 static void jpake_receive_step3a(JPAKE_CTX *ctx, BIO *bconn)
2659         {
2660         JPAKE_STEP3A s3a;
2661         int l;
2662
2663         JPAKE_STEP3A_init(&s3a);
2664         l = BIO_read(bconn, s3a.hhk, sizeof s3a.hhk);
2665         assert(l == sizeof s3a.hhk);
2666         if(!JPAKE_STEP3A_process(ctx, &s3a))
2667                 {
2668                 ERR_print_errors(bio_err);
2669                 exit(1);
2670                 }
2671         JPAKE_STEP3A_release(&s3a);
2672         }
2673
2674 static void jpake_receive_step3b(JPAKE_CTX *ctx, BIO *bconn)
2675         {
2676         JPAKE_STEP3B s3b;
2677         int l;
2678
2679         JPAKE_STEP3B_init(&s3b);
2680         l = BIO_read(bconn, s3b.hk, sizeof s3b.hk);
2681         assert(l == sizeof s3b.hk);
2682         if(!JPAKE_STEP3B_process(ctx, &s3b))
2683                 {
2684                 ERR_print_errors(bio_err);
2685                 exit(1);
2686                 }
2687         JPAKE_STEP3B_release(&s3b);
2688         }
2689
2690 void jpake_client_auth(BIO *out, BIO *conn, const char *secret)
2691         {
2692         JPAKE_CTX *ctx;
2693         BIO *bconn;
2694
2695         BIO_puts(out, "Authenticating with JPAKE\n");
2696
2697         ctx = jpake_init("client", "server", secret);
2698
2699         bconn = BIO_new(BIO_f_buffer());
2700         BIO_push(bconn, conn);
2701
2702         jpake_send_step1(bconn, ctx);
2703         jpake_receive_step1(ctx, bconn);
2704         jpake_send_step2(bconn, ctx);
2705         jpake_receive_step2(ctx, bconn);
2706         jpake_send_step3a(bconn, ctx);
2707         jpake_receive_step3b(ctx, bconn);
2708
2709         BIO_puts(out, "JPAKE authentication succeeded, setting PSK\n");
2710
2711         psk_key = BN_bn2hex(JPAKE_get_shared_key(ctx));
2712
2713         BIO_pop(bconn);
2714         BIO_free(bconn);
2715
2716         JPAKE_CTX_free(ctx);
2717         }
2718
2719 void jpake_server_auth(BIO *out, BIO *conn, const char *secret)
2720         {
2721         JPAKE_CTX *ctx;
2722         BIO *bconn;
2723
2724         BIO_puts(out, "Authenticating with JPAKE\n");
2725
2726         ctx = jpake_init("server", "client", secret);
2727
2728         bconn = BIO_new(BIO_f_buffer());
2729         BIO_push(bconn, conn);
2730
2731         jpake_receive_step1(ctx, bconn);
2732         jpake_send_step1(bconn, ctx);
2733         jpake_receive_step2(ctx, bconn);
2734         jpake_send_step2(bconn, ctx);
2735         jpake_receive_step3a(ctx, bconn);
2736         jpake_send_step3b(bconn, ctx);
2737
2738         BIO_puts(out, "JPAKE authentication succeeded, setting PSK\n");
2739
2740         psk_key = BN_bn2hex(JPAKE_get_shared_key(ctx));
2741
2742         BIO_pop(bconn);
2743         BIO_free(bconn);
2744
2745         JPAKE_CTX_free(ctx);
2746         }
2747
2748 #endif
2749
2750 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2751 /* next_protos_parse parses a comma separated list of strings into a string
2752  * in a format suitable for passing to SSL_CTX_set_next_protos_advertised.
2753  *   outlen: (output) set to the length of the resulting buffer on success.
2754  *   err: (maybe NULL) on failure, an error message line is written to this BIO.
2755  *   in: a NUL termianted string like "abc,def,ghi"
2756  *
2757  *   returns: a malloced buffer or NULL on failure.
2758  */
2759 unsigned char *next_protos_parse(unsigned short *outlen, const char *in)
2760         {
2761         size_t len;
2762         unsigned char *out;
2763         size_t i, start = 0;
2764
2765         len = strlen(in);
2766         if (len >= 65535)
2767                 return NULL;
2768
2769         out = OPENSSL_malloc(strlen(in) + 1);
2770         if (!out)
2771                 return NULL;
2772
2773         for (i = 0; i <= len; ++i)
2774                 {
2775                 if (i == len || in[i] == ',')
2776                         {
2777                         if (i - start > 255)
2778                                 {
2779                                 OPENSSL_free(out);
2780                                 return NULL;
2781                                 }
2782                         out[start] = i - start;
2783                         start = i + 1;
2784                         }
2785                 else
2786                         out[i+1] = in[i];
2787                 }
2788
2789         *outlen = len + 1;
2790         return out;
2791         }
2792 #endif  /* !OPENSSL_NO_TLSEXT && !OPENSSL_NO_NEXTPROTONEG */
2793
2794 void print_cert_checks(BIO *bio, X509 *x,
2795                                 const unsigned char *checkhost,
2796                                 const unsigned char *checkemail,
2797                                 const char *checkip)
2798         {
2799         if (x == NULL)
2800                 return;
2801         if (checkhost)
2802                 {
2803                 BIO_printf(bio, "Hostname %s does%s match certificate\n",
2804                                 checkhost, X509_check_host(x, checkhost, 0, 0)
2805                                                 ? "" : " NOT");
2806                 }
2807
2808         if (checkemail)
2809                 {
2810                 BIO_printf(bio, "Email %s does%s match certificate\n",
2811                                 checkemail, X509_check_email(x, checkemail, 0,
2812                                                 0) ? "" : " NOT");
2813                 }
2814
2815         if (checkip)
2816                 {
2817                 BIO_printf(bio, "IP %s does%s match certificate\n",
2818                                 checkip, X509_check_ip_asc(x, checkip,
2819                                                 0) ? "" : " NOT");
2820                 }
2821         }
2822
2823 /*
2824  * Platform-specific sections
2825  */
2826 #if defined(_WIN32)
2827 # ifdef fileno
2828 #  undef fileno
2829 #  define fileno(a) (int)_fileno(a)
2830 # endif
2831
2832 # include <windows.h>
2833 # include <tchar.h>
2834
2835 static int WIN32_rename(const char *from, const char *to)
2836         {
2837         TCHAR  *tfrom=NULL,*tto;
2838         DWORD   err;
2839         int     ret=0;
2840
2841         if (sizeof(TCHAR) == 1)
2842                 {
2843                 tfrom = (TCHAR *)from;
2844                 tto   = (TCHAR *)to;
2845                 }
2846         else    /* UNICODE path */
2847                 {
2848                 size_t i,flen=strlen(from)+1,tlen=strlen(to)+1;
2849                 tfrom = (TCHAR *)malloc(sizeof(TCHAR)*(flen+tlen));
2850                 if (tfrom==NULL) goto err;
2851                 tto=tfrom+flen;
2852 #if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2853                 if (!MultiByteToWideChar(CP_ACP,0,from,flen,(WCHAR *)tfrom,flen))
2854 #endif
2855                         for (i=0;i<flen;i++)    tfrom[i]=(TCHAR)from[i];
2856 #if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2857                 if (!MultiByteToWideChar(CP_ACP,0,to,  tlen,(WCHAR *)tto,  tlen))
2858 #endif
2859                         for (i=0;i<tlen;i++)    tto[i]  =(TCHAR)to[i];
2860                 }
2861
2862         if (MoveFile(tfrom,tto))        goto ok;
2863         err=GetLastError();
2864         if (err==ERROR_ALREADY_EXISTS || err==ERROR_FILE_EXISTS)
2865                 {
2866                 if (DeleteFile(tto) && MoveFile(tfrom,tto))
2867                         goto ok;
2868                 err=GetLastError();
2869                 }
2870         if (err==ERROR_FILE_NOT_FOUND || err==ERROR_PATH_NOT_FOUND)
2871                 errno = ENOENT;
2872         else if (err==ERROR_ACCESS_DENIED)
2873                 errno = EACCES;
2874         else
2875                 errno = EINVAL; /* we could map more codes... */
2876 err:
2877         ret=-1;
2878 ok:
2879         if (tfrom!=NULL && tfrom!=(TCHAR *)from)        free(tfrom);
2880         return ret;
2881         }
2882 #endif
2883
2884 /* app_tminterval section */
2885 #if defined(_WIN32)
2886 double app_tminterval(int stop,int usertime)
2887         {
2888         FILETIME                now;
2889         double                  ret=0;
2890         static ULARGE_INTEGER   tmstart;
2891         static int              warning=1;
2892 #ifdef _WIN32_WINNT
2893         static HANDLE           proc=NULL;
2894
2895         if (proc==NULL)
2896                 {
2897                 if (GetVersion() < 0x80000000)
2898                         proc = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,
2899                                                 GetCurrentProcessId());
2900                 if (proc==NULL) proc = (HANDLE)-1;
2901                 }
2902
2903         if (usertime && proc!=(HANDLE)-1)
2904                 {
2905                 FILETIME junk;
2906                 GetProcessTimes(proc,&junk,&junk,&junk,&now);
2907                 }
2908         else
2909 #endif
2910                 {
2911                 SYSTEMTIME systime;
2912
2913                 if (usertime && warning)
2914                         {
2915                         BIO_printf(bio_err,"To get meaningful results, run "
2916                                            "this program on idle system.\n");
2917                         warning=0;
2918                         }
2919                 GetSystemTime(&systime);
2920                 SystemTimeToFileTime(&systime,&now);
2921                 }
2922
2923         if (stop==TM_START)
2924                 {
2925                 tmstart.u.LowPart  = now.dwLowDateTime;
2926                 tmstart.u.HighPart = now.dwHighDateTime;
2927                 }
2928         else    {
2929                 ULARGE_INTEGER tmstop;
2930
2931                 tmstop.u.LowPart   = now.dwLowDateTime;
2932                 tmstop.u.HighPart  = now.dwHighDateTime;
2933
2934                 ret = (__int64)(tmstop.QuadPart - tmstart.QuadPart)*1e-7;
2935                 }
2936
2937         return (ret);
2938         }
2939
2940 #elif defined(OPENSSL_SYS_NETWARE)
2941 #include <time.h>
2942
2943 double app_tminterval(int stop,int usertime)
2944         {
2945         double          ret=0;
2946         static clock_t  tmstart;
2947         static int      warning=1;
2948
2949         if (usertime && warning)
2950                 {
2951                 BIO_printf(bio_err,"To get meaningful results, run "
2952                                    "this program on idle system.\n");
2953                 warning=0;
2954                 }
2955
2956         if (stop==TM_START)     tmstart = clock();
2957         else                    ret     = (clock()-tmstart)/(double)CLOCKS_PER_SEC;
2958
2959         return (ret);
2960         }
2961
2962 #elif defined(OPENSSL_SYSTEM_VXWORKS)
2963 #include <time.h>
2964
2965 double app_tminterval(int stop,int usertime)
2966         {
2967         double ret=0;
2968 #ifdef CLOCK_REALTIME
2969         static struct timespec  tmstart;
2970         struct timespec         now;
2971 #else
2972         static unsigned long    tmstart;
2973         unsigned long           now;
2974 #endif
2975         static int warning=1;
2976
2977         if (usertime && warning)
2978                 {
2979                 BIO_printf(bio_err,"To get meaningful results, run "
2980                                    "this program on idle system.\n");
2981                 warning=0;
2982                 }
2983
2984 #ifdef CLOCK_REALTIME
2985         clock_gettime(CLOCK_REALTIME,&now);
2986         if (stop==TM_START)     tmstart = now;
2987         else    ret = ( (now.tv_sec+now.tv_nsec*1e-9)
2988                         - (tmstart.tv_sec+tmstart.tv_nsec*1e-9) );
2989 #else
2990         now = tickGet();
2991         if (stop==TM_START)     tmstart = now;
2992         else                    ret = (now - tmstart)/(double)sysClkRateGet();
2993 #endif
2994         return (ret);
2995         }
2996
2997 #elif defined(OPENSSL_SYSTEM_VMS)
2998 #include <time.h>
2999 #include <times.h>
3000
3001 double app_tminterval(int stop,int usertime)
3002         {
3003         static clock_t  tmstart;
3004         double          ret = 0;
3005         clock_t         now;
3006 #ifdef __TMS
3007         struct tms      rus;
3008
3009         now = times(&rus);
3010         if (usertime)   now = rus.tms_utime;
3011 #else
3012         if (usertime)
3013                 now = clock(); /* sum of user and kernel times */
3014         else    {
3015                 struct timeval tv;
3016                 gettimeofday(&tv,NULL);
3017                 now = (clock_t)(
3018                         (unsigned long long)tv.tv_sec*CLK_TCK +
3019                         (unsigned long long)tv.tv_usec*(1000000/CLK_TCK)
3020                         );
3021                 }
3022 #endif
3023         if (stop==TM_START)     tmstart = now;
3024         else                    ret = (now - tmstart)/(double)(CLK_TCK);
3025
3026         return (ret);
3027         }
3028
3029 #elif defined(_SC_CLK_TCK)      /* by means of unistd.h */
3030 #include <sys/times.h>
3031
3032 double app_tminterval(int stop,int usertime)
3033         {
3034         double          ret = 0;
3035         struct tms      rus;
3036         clock_t         now = times(&rus);
3037         static clock_t  tmstart;
3038
3039         if (usertime)           now = rus.tms_utime;
3040
3041         if (stop==TM_START)     tmstart = now;
3042         else
3043                 {
3044                 long int tck = sysconf(_SC_CLK_TCK);
3045                 ret = (now - tmstart)/(double)tck;
3046                 }
3047
3048         return (ret);
3049         }
3050
3051 #else
3052 #include <sys/time.h>
3053 #include <sys/resource.h>
3054
3055 double app_tminterval(int stop,int usertime)
3056         {
3057         double          ret = 0;
3058         struct rusage   rus;
3059         struct timeval  now;
3060         static struct timeval tmstart;
3061
3062         if (usertime)           getrusage(RUSAGE_SELF,&rus), now = rus.ru_utime;
3063         else                    gettimeofday(&now,NULL);
3064
3065         if (stop==TM_START)     tmstart = now;
3066         else                    ret = ( (now.tv_sec+now.tv_usec*1e-6)
3067                                         - (tmstart.tv_sec+tmstart.tv_usec*1e-6) );
3068
3069         return ret;
3070         }
3071 #endif
3072
3073 /* app_isdir section */
3074 #ifdef _WIN32
3075 int app_isdir(const char *name)
3076         {
3077         HANDLE          hList;
3078         WIN32_FIND_DATA FileData;
3079 #if defined(UNICODE) || defined(_UNICODE)
3080         size_t i, len_0 = strlen(name)+1;
3081
3082         if (len_0 > sizeof(FileData.cFileName)/sizeof(FileData.cFileName[0]))
3083                 return -1;
3084
3085 #if !defined(_WIN32_WCE) || _WIN32_WCE>=101
3086         if (!MultiByteToWideChar(CP_ACP,0,name,len_0,FileData.cFileName,len_0))
3087 #endif
3088                 for (i=0;i<len_0;i++)
3089                         FileData.cFileName[i] = (WCHAR)name[i];
3090
3091         hList = FindFirstFile(FileData.cFileName,&FileData);
3092 #else
3093         hList = FindFirstFile(name,&FileData);
3094 #endif
3095         if (hList == INVALID_HANDLE_VALUE)      return -1;
3096         FindClose(hList);
3097         return ((FileData.dwFileAttributes&FILE_ATTRIBUTE_DIRECTORY)!=0);
3098         }
3099 #else
3100 #include <sys/stat.h>
3101 #ifndef S_ISDIR
3102 # if defined(_S_IFMT) && defined(_S_IFDIR)
3103 #  define S_ISDIR(a)   (((a) & _S_IFMT) == _S_IFDIR)
3104 # else 
3105 #  define S_ISDIR(a)   (((a) & S_IFMT) == S_IFDIR)
3106 # endif 
3107 #endif 
3108
3109 int app_isdir(const char *name)
3110         {
3111 #if defined(S_ISDIR)
3112         struct stat st;
3113
3114         if (stat(name,&st)==0)  return S_ISDIR(st.st_mode);
3115         else                    return -1;
3116 #else
3117         return -1;
3118 #endif
3119         }
3120 #endif
3121
3122 /* raw_read|write section */
3123 #if defined(_WIN32) && defined(STD_INPUT_HANDLE)
3124 int raw_read_stdin(void *buf,int siz)
3125         {
3126         DWORD n;
3127         if (ReadFile(GetStdHandle(STD_INPUT_HANDLE),buf,siz,&n,NULL))
3128                 return (n);
3129         else    return (-1);
3130         }
3131 #else
3132 int raw_read_stdin(void *buf,int siz)
3133         {       return read(fileno(stdin),buf,siz);     }
3134 #endif
3135
3136 #if defined(_WIN32) && defined(STD_OUTPUT_HANDLE)
3137 int raw_write_stdout(const void *buf,int siz)
3138         {
3139         DWORD n;
3140         if (WriteFile(GetStdHandle(STD_OUTPUT_HANDLE),buf,siz,&n,NULL))
3141                 return (n);
3142         else    return (-1);
3143         }
3144 #else
3145 int raw_write_stdout(const void *buf,int siz)
3146         {       return write(fileno(stdout),buf,siz);   }
3147 #endif