827db9486cbd5e6ea60afb57f394051118d14769
[openssl.git] / apps / apps.c
1 /* apps/apps.c */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3  * All rights reserved.
4  *
5  * This package is an SSL implementation written
6  * by Eric Young (eay@cryptsoft.com).
7  * The implementation was written so as to conform with Netscapes SSL.
8  * 
9  * This library is free for commercial and non-commercial use as long as
10  * the following conditions are aheared to.  The following conditions
11  * apply to all code found in this distribution, be it the RC4, RSA,
12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
13  * included with this distribution is covered by the same copyright terms
14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15  * 
16  * Copyright remains Eric Young's, and as such any Copyright notices in
17  * the code are not to be removed.
18  * If this package is used in a product, Eric Young should be given attribution
19  * as the author of the parts of the library used.
20  * This can be in the form of a textual message at program startup or
21  * in documentation (online or textual) provided with the package.
22  * 
23  * Redistribution and use in source and binary forms, with or without
24  * modification, are permitted provided that the following conditions
25  * are met:
26  * 1. Redistributions of source code must retain the copyright
27  *    notice, this list of conditions and the following disclaimer.
28  * 2. Redistributions in binary form must reproduce the above copyright
29  *    notice, this list of conditions and the following disclaimer in the
30  *    documentation and/or other materials provided with the distribution.
31  * 3. All advertising materials mentioning features or use of this software
32  *    must display the following acknowledgement:
33  *    "This product includes cryptographic software written by
34  *     Eric Young (eay@cryptsoft.com)"
35  *    The word 'cryptographic' can be left out if the rouines from the library
36  *    being used are not cryptographic related :-).
37  * 4. If you include any Windows specific code (or a derivative thereof) from 
38  *    the apps directory (application code) you must include an acknowledgement:
39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40  * 
41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51  * SUCH DAMAGE.
52  * 
53  * The licence and distribution terms for any publically available version or
54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
55  * copied and put under another distribution licence
56  * [including the GNU Public Licence.]
57  */
58 /* ====================================================================
59  * Copyright (c) 1998-2001 The OpenSSL Project.  All rights reserved.
60  *
61  * Redistribution and use in source and binary forms, with or without
62  * modification, are permitted provided that the following conditions
63  * are met:
64  *
65  * 1. Redistributions of source code must retain the above copyright
66  *    notice, this list of conditions and the following disclaimer. 
67  *
68  * 2. Redistributions in binary form must reproduce the above copyright
69  *    notice, this list of conditions and the following disclaimer in
70  *    the documentation and/or other materials provided with the
71  *    distribution.
72  *
73  * 3. All advertising materials mentioning features or use of this
74  *    software must display the following acknowledgment:
75  *    "This product includes software developed by the OpenSSL Project
76  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
77  *
78  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
79  *    endorse or promote products derived from this software without
80  *    prior written permission. For written permission, please contact
81  *    openssl-core@openssl.org.
82  *
83  * 5. Products derived from this software may not be called "OpenSSL"
84  *    nor may "OpenSSL" appear in their names without prior written
85  *    permission of the OpenSSL Project.
86  *
87  * 6. Redistributions of any form whatsoever must retain the following
88  *    acknowledgment:
89  *    "This product includes software developed by the OpenSSL Project
90  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
91  *
92  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
93  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
94  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
95  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
96  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
97  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
98  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
99  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
100  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
101  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
102  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
103  * OF THE POSSIBILITY OF SUCH DAMAGE.
104  * ====================================================================
105  *
106  * This product includes cryptographic software written by Eric Young
107  * (eay@cryptsoft.com).  This product includes software written by Tim
108  * Hudson (tjh@cryptsoft.com).
109  *
110  */
111
112 #include <stdio.h>
113 #include <stdlib.h>
114 #include <string.h>
115 #include <sys/types.h>
116 #include <sys/stat.h>
117 #include <ctype.h>
118 #include <openssl/err.h>
119 #include <openssl/x509.h>
120 #include <openssl/x509v3.h>
121 #include <openssl/pem.h>
122 #include <openssl/pkcs12.h>
123 #include <openssl/ui.h>
124 #include <openssl/safestack.h>
125 #ifndef OPENSSL_NO_ENGINE
126 #include <openssl/engine.h>
127 #endif
128 #ifndef OPENSSL_NO_RSA
129 #include <openssl/rsa.h>
130 #endif
131 #include <openssl/bn.h>
132
133 #define NON_MAIN
134 #include "apps.h"
135 #undef NON_MAIN
136
137 typedef struct {
138         const char *name;
139         unsigned long flag;
140         unsigned long mask;
141 } NAME_EX_TBL;
142
143 static UI_METHOD *ui_method = NULL;
144
145 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
146 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
147
148 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
149 /* Looks like this stuff is worth moving into separate function */
150 static EVP_PKEY *
151 load_netscape_key(BIO *err, BIO *key, const char *file,
152                 const char *key_descrip, int format);
153 #endif
154
155 int app_init(long mesgwin);
156 #ifdef undef /* never finished - probably never will be :-) */
157 int args_from_file(char *file, int *argc, char **argv[])
158         {
159         FILE *fp;
160         int num,i;
161         unsigned int len;
162         static char *buf=NULL;
163         static char **arg=NULL;
164         char *p;
165         struct stat stbuf;
166
167         if (stat(file,&stbuf) < 0) return(0);
168
169         fp=fopen(file,"r");
170         if (fp == NULL)
171                 return(0);
172
173         *argc=0;
174         *argv=NULL;
175
176         len=(unsigned int)stbuf.st_size;
177         if (buf != NULL) OPENSSL_free(buf);
178         buf=(char *)OPENSSL_malloc(len+1);
179         if (buf == NULL) return(0);
180
181         len=fread(buf,1,len,fp);
182         if (len <= 1) return(0);
183         buf[len]='\0';
184
185         i=0;
186         for (p=buf; *p; p++)
187                 if (*p == '\n') i++;
188         if (arg != NULL) OPENSSL_free(arg);
189         arg=(char **)OPENSSL_malloc(sizeof(char *)*(i*2));
190
191         *argv=arg;
192         num=0;
193         p=buf;
194         for (;;)
195                 {
196                 if (!*p) break;
197                 if (*p == '#') /* comment line */
198                         {
199                         while (*p && (*p != '\n')) p++;
200                         continue;
201                         }
202                 /* else we have a line */
203                 *(arg++)=p;
204                 num++;
205                 while (*p && ((*p != ' ') && (*p != '\t') && (*p != '\n')))
206                         p++;
207                 if (!*p) break;
208                 if (*p == '\n')
209                         {
210                         *(p++)='\0';
211                         continue;
212                         }
213                 /* else it is a tab or space */
214                 p++;
215                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
216                         p++;
217                 if (!*p) break;
218                 if (*p == '\n')
219                         {
220                         p++;
221                         continue;
222                         }
223                 *(arg++)=p++;
224                 num++;
225                 while (*p && (*p != '\n')) p++;
226                 if (!*p) break;
227                 /* else *p == '\n' */
228                 *(p++)='\0';
229                 }
230         *argc=num;
231         return(1);
232         }
233 #endif
234
235 int str2fmt(char *s)
236         {
237         if      ((*s == 'D') || (*s == 'd'))
238                 return(FORMAT_ASN1);
239         else if ((*s == 'T') || (*s == 't'))
240                 return(FORMAT_TEXT);
241         else if ((*s == 'P') || (*s == 'p'))
242                 {
243                 if (s[1] == 'V' || s[1] == 'v')
244                         return FORMAT_PVK;
245                 else
246                         return(FORMAT_PEM);
247                 }
248         else if ((*s == 'N') || (*s == 'n'))
249                 return(FORMAT_NETSCAPE);
250         else if ((*s == 'S') || (*s == 's'))
251                 return(FORMAT_SMIME);
252         else if ((*s == 'M') || (*s == 'm'))
253                 return(FORMAT_MSBLOB);
254         else if ((*s == '1')
255                 || (strcmp(s,"PKCS12") == 0) || (strcmp(s,"pkcs12") == 0)
256                 || (strcmp(s,"P12") == 0) || (strcmp(s,"p12") == 0))
257                 return(FORMAT_PKCS12);
258         else if ((*s == 'E') || (*s == 'e'))
259                 return(FORMAT_ENGINE);
260         else
261                 return(FORMAT_UNDEF);
262         }
263
264 #if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16) || defined(OPENSSL_SYS_NETWARE)
265 void program_name(char *in, char *out, int size)
266         {
267         int i,n;
268         char *p=NULL;
269
270         n=strlen(in);
271         /* find the last '/', '\' or ':' */
272         for (i=n-1; i>0; i--)
273                 {
274                 if ((in[i] == '/') || (in[i] == '\\') || (in[i] == ':'))
275                         {
276                         p= &(in[i+1]);
277                         break;
278                         }
279                 }
280         if (p == NULL)
281                 p=in;
282         n=strlen(p);
283
284 #if defined(OPENSSL_SYS_NETWARE)
285    /* strip off trailing .nlm if present. */
286    if ((n > 4) && (p[n-4] == '.') &&
287       ((p[n-3] == 'n') || (p[n-3] == 'N')) &&
288       ((p[n-2] == 'l') || (p[n-2] == 'L')) &&
289       ((p[n-1] == 'm') || (p[n-1] == 'M')))
290       n-=4;
291 #else
292         /* strip off trailing .exe if present. */
293         if ((n > 4) && (p[n-4] == '.') &&
294                 ((p[n-3] == 'e') || (p[n-3] == 'E')) &&
295                 ((p[n-2] == 'x') || (p[n-2] == 'X')) &&
296                 ((p[n-1] == 'e') || (p[n-1] == 'E')))
297                 n-=4;
298 #endif
299
300         if (n > size-1)
301                 n=size-1;
302
303         for (i=0; i<n; i++)
304                 {
305                 if ((p[i] >= 'A') && (p[i] <= 'Z'))
306                         out[i]=p[i]-'A'+'a';
307                 else
308                         out[i]=p[i];
309                 }
310         out[n]='\0';
311         }
312 #else
313 #ifdef OPENSSL_SYS_VMS
314 void program_name(char *in, char *out, int size)
315         {
316         char *p=in, *q;
317         char *chars=":]>";
318
319         while(*chars != '\0')
320                 {
321                 q=strrchr(p,*chars);
322                 if (q > p)
323                         p = q + 1;
324                 chars++;
325                 }
326
327         q=strrchr(p,'.');
328         if (q == NULL)
329                 q = p + strlen(p);
330         strncpy(out,p,size-1);
331         if (q-p >= size)
332                 {
333                 out[size-1]='\0';
334                 }
335         else
336                 {
337                 out[q-p]='\0';
338                 }
339         }
340 #else
341 void program_name(char *in, char *out, int size)
342         {
343         char *p;
344
345         p=strrchr(in,'/');
346         if (p != NULL)
347                 p++;
348         else
349                 p=in;
350         BUF_strlcpy(out,p,size);
351         }
352 #endif
353 #endif
354
355 int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
356         {
357         int num,len,i;
358         char *p;
359
360         *argc=0;
361         *argv=NULL;
362
363         len=strlen(buf);
364         i=0;
365         if (arg->count == 0)
366                 {
367                 arg->count=20;
368                 arg->data=(char **)OPENSSL_malloc(sizeof(char *)*arg->count);
369                 }
370         for (i=0; i<arg->count; i++)
371                 arg->data[i]=NULL;
372
373         num=0;
374         p=buf;
375         for (;;)
376                 {
377                 /* first scan over white space */
378                 if (!*p) break;
379                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
380                         p++;
381                 if (!*p) break;
382
383                 /* The start of something good :-) */
384                 if (num >= arg->count)
385                         {
386                         char **tmp_p;
387                         int tlen = arg->count + 20;
388                         tmp_p = (char **)OPENSSL_realloc(arg->data,
389                                 sizeof(char *)*tlen);
390                         if (tmp_p == NULL)
391                                 return 0;
392                         arg->data  = tmp_p;
393                         arg->count = tlen;
394                         /* initialize newly allocated data */
395                         for (i = num; i < arg->count; i++)
396                                 arg->data[i] = NULL;
397                         }
398                 arg->data[num++]=p;
399
400                 /* now look for the end of this */
401                 if ((*p == '\'') || (*p == '\"')) /* scan for closing quote */
402                         {
403                         i= *(p++);
404                         arg->data[num-1]++; /* jump over quote */
405                         while (*p && (*p != i))
406                                 p++;
407                         *p='\0';
408                         }
409                 else
410                         {
411                         while (*p && ((*p != ' ') &&
412                                 (*p != '\t') && (*p != '\n')))
413                                 p++;
414
415                         if (*p == '\0')
416                                 p--;
417                         else
418                                 *p='\0';
419                         }
420                 p++;
421                 }
422         *argc=num;
423         *argv=arg->data;
424         return(1);
425         }
426
427 #ifndef APP_INIT
428 int app_init(long mesgwin)
429         {
430         return(1);
431         }
432 #endif
433
434
435 int dump_cert_text (BIO *out, X509 *x)
436 {
437         char *p;
438
439         p=X509_NAME_oneline(X509_get_subject_name(x),NULL,0);
440         BIO_puts(out,"subject=");
441         BIO_puts(out,p);
442         OPENSSL_free(p);
443
444         p=X509_NAME_oneline(X509_get_issuer_name(x),NULL,0);
445         BIO_puts(out,"\nissuer=");
446         BIO_puts(out,p);
447         BIO_puts(out,"\n");
448         OPENSSL_free(p);
449
450         return 0;
451 }
452
453 static int ui_open(UI *ui)
454         {
455         return UI_method_get_opener(UI_OpenSSL())(ui);
456         }
457 static int ui_read(UI *ui, UI_STRING *uis)
458         {
459         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
460                 && UI_get0_user_data(ui))
461                 {
462                 switch(UI_get_string_type(uis))
463                         {
464                 case UIT_PROMPT:
465                 case UIT_VERIFY:
466                         {
467                         const char *password =
468                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
469                         if (password && password[0] != '\0')
470                                 {
471                                 UI_set_result(ui, uis, password);
472                                 return 1;
473                                 }
474                         }
475                 default:
476                         break;
477                         }
478                 }
479         return UI_method_get_reader(UI_OpenSSL())(ui, uis);
480         }
481 static int ui_write(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                                 return 1;
495                         }
496                 default:
497                         break;
498                         }
499                 }
500         return UI_method_get_writer(UI_OpenSSL())(ui, uis);
501         }
502 static int ui_close(UI *ui)
503         {
504         return UI_method_get_closer(UI_OpenSSL())(ui);
505         }
506 int setup_ui_method(void)
507         {
508         ui_method = UI_create_method("OpenSSL application user interface");
509         UI_method_set_opener(ui_method, ui_open);
510         UI_method_set_reader(ui_method, ui_read);
511         UI_method_set_writer(ui_method, ui_write);
512         UI_method_set_closer(ui_method, ui_close);
513         return 0;
514         }
515 void destroy_ui_method(void)
516         {
517         if(ui_method)
518                 {
519                 UI_destroy_method(ui_method);
520                 ui_method = NULL;
521                 }
522         }
523 int password_callback(char *buf, int bufsiz, int verify,
524         PW_CB_DATA *cb_tmp)
525         {
526         UI *ui = NULL;
527         int res = 0;
528         const char *prompt_info = NULL;
529         const char *password = NULL;
530         PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp;
531
532         if (cb_data)
533                 {
534                 if (cb_data->password)
535                         password = cb_data->password;
536                 if (cb_data->prompt_info)
537                         prompt_info = cb_data->prompt_info;
538                 }
539
540         if (password)
541                 {
542                 res = strlen(password);
543                 if (res > bufsiz)
544                         res = bufsiz;
545                 memcpy(buf, password, res);
546                 return res;
547                 }
548
549         ui = UI_new_method(ui_method);
550         if (ui)
551                 {
552                 int ok = 0;
553                 char *buff = NULL;
554                 int ui_flags = 0;
555                 char *prompt = NULL;
556
557                 prompt = UI_construct_prompt(ui, "pass phrase",
558                         prompt_info);
559
560                 ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
561                 UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
562
563                 if (ok >= 0)
564                         ok = UI_add_input_string(ui,prompt,ui_flags,buf,
565                                 PW_MIN_LENGTH,BUFSIZ-1);
566                 if (ok >= 0 && verify)
567                         {
568                         buff = (char *)OPENSSL_malloc(bufsiz);
569                         ok = UI_add_verify_string(ui,prompt,ui_flags,buff,
570                                 PW_MIN_LENGTH,BUFSIZ-1, buf);
571                         }
572                 if (ok >= 0)
573                         do
574                                 {
575                                 ok = UI_process(ui);
576                                 }
577                         while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
578
579                 if (buff)
580                         {
581                         OPENSSL_cleanse(buff,(unsigned int)bufsiz);
582                         OPENSSL_free(buff);
583                         }
584
585                 if (ok >= 0)
586                         res = strlen(buf);
587                 if (ok == -1)
588                         {
589                         BIO_printf(bio_err, "User interface error\n");
590                         ERR_print_errors(bio_err);
591                         OPENSSL_cleanse(buf,(unsigned int)bufsiz);
592                         res = 0;
593                         }
594                 if (ok == -2)
595                         {
596                         BIO_printf(bio_err,"aborted!\n");
597                         OPENSSL_cleanse(buf,(unsigned int)bufsiz);
598                         res = 0;
599                         }
600                 UI_free(ui);
601                 OPENSSL_free(prompt);
602                 }
603         return res;
604         }
605
606 static char *app_get_pass(BIO *err, char *arg, int keepbio);
607
608 int app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2)
609 {
610         int same;
611         if(!arg2 || !arg1 || strcmp(arg1, arg2)) same = 0;
612         else same = 1;
613         if(arg1) {
614                 *pass1 = app_get_pass(err, arg1, same);
615                 if(!*pass1) return 0;
616         } else if(pass1) *pass1 = NULL;
617         if(arg2) {
618                 *pass2 = app_get_pass(err, arg2, same ? 2 : 0);
619                 if(!*pass2) return 0;
620         } else if(pass2) *pass2 = NULL;
621         return 1;
622 }
623
624 static char *app_get_pass(BIO *err, char *arg, int keepbio)
625 {
626         char *tmp, tpass[APP_PASS_LEN];
627         static BIO *pwdbio = NULL;
628         int i;
629         if(!strncmp(arg, "pass:", 5)) return BUF_strdup(arg + 5);
630         if(!strncmp(arg, "env:", 4)) {
631                 tmp = getenv(arg + 4);
632                 if(!tmp) {
633                         BIO_printf(err, "Can't read environment variable %s\n", arg + 4);
634                         return NULL;
635                 }
636                 return BUF_strdup(tmp);
637         }
638         if(!keepbio || !pwdbio) {
639                 if(!strncmp(arg, "file:", 5)) {
640                         pwdbio = BIO_new_file(arg + 5, "r");
641                         if(!pwdbio) {
642                                 BIO_printf(err, "Can't open file %s\n", arg + 5);
643                                 return NULL;
644                         }
645 #if !defined(_WIN32)
646                 /*
647                  * Under _WIN32, which covers even Win64 and CE, file
648                  * descriptors referenced by BIO_s_fd are not inherited
649                  * by child process and therefore below is not an option.
650                  * It could have been an option if bss_fd.c was operating
651                  * on real Windows descriptors, such as those obtained
652                  * with CreateFile.
653                  */
654                 } else if(!strncmp(arg, "fd:", 3)) {
655                         BIO *btmp;
656                         i = atoi(arg + 3);
657                         if(i >= 0) pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
658                         if((i < 0) || !pwdbio) {
659                                 BIO_printf(err, "Can't access file descriptor %s\n", arg + 3);
660                                 return NULL;
661                         }
662                         /* Can't do BIO_gets on an fd BIO so add a buffering BIO */
663                         btmp = BIO_new(BIO_f_buffer());
664                         pwdbio = BIO_push(btmp, pwdbio);
665 #endif
666                 } else if(!strcmp(arg, "stdin")) {
667                         pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE);
668                         if(!pwdbio) {
669                                 BIO_printf(err, "Can't open BIO for stdin\n");
670                                 return NULL;
671                         }
672                 } else {
673                         BIO_printf(err, "Invalid password argument \"%s\"\n", arg);
674                         return NULL;
675                 }
676         }
677         i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
678         if(keepbio != 1) {
679                 BIO_free_all(pwdbio);
680                 pwdbio = NULL;
681         }
682         if(i <= 0) {
683                 BIO_printf(err, "Error reading password from BIO\n");
684                 return NULL;
685         }
686         tmp = strchr(tpass, '\n');
687         if(tmp) *tmp = 0;
688         return BUF_strdup(tpass);
689 }
690
691 int add_oid_section(BIO *err, CONF *conf)
692 {       
693         char *p;
694         STACK_OF(CONF_VALUE) *sktmp;
695         CONF_VALUE *cnf;
696         int i;
697         if(!(p=NCONF_get_string(conf,NULL,"oid_section")))
698                 {
699                 ERR_clear_error();
700                 return 1;
701                 }
702         if(!(sktmp = NCONF_get_section(conf, p))) {
703                 BIO_printf(err, "problem loading oid section %s\n", p);
704                 return 0;
705         }
706         for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
707                 cnf = sk_CONF_VALUE_value(sktmp, i);
708                 if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
709                         BIO_printf(err, "problem creating object %s=%s\n",
710                                                          cnf->name, cnf->value);
711                         return 0;
712                 }
713         }
714         return 1;
715 }
716
717 static int load_pkcs12(BIO *err, BIO *in, const char *desc,
718                 pem_password_cb *pem_cb,  void *cb_data,
719                 EVP_PKEY **pkey, X509 **cert, STACK_OF(X509) **ca)
720         {
721         const char *pass;
722         char tpass[PEM_BUFSIZE];
723         int len, ret = 0;
724         PKCS12 *p12;
725         p12 = d2i_PKCS12_bio(in, NULL);
726         if (p12 == NULL)
727                 {
728                 BIO_printf(err, "Error loading PKCS12 file for %s\n", desc);    
729                 goto die;
730                 }
731         /* See if an empty password will do */
732         if (PKCS12_verify_mac(p12, "", 0) || PKCS12_verify_mac(p12, NULL, 0))
733                 pass = "";
734         else
735                 {
736                 if (!pem_cb)
737                         pem_cb = (pem_password_cb *)password_callback;
738                 len = pem_cb(tpass, PEM_BUFSIZE, 0, cb_data);
739                 if (len < 0) 
740                         {
741                         BIO_printf(err, "Passpharse callback error for %s\n",
742                                         desc);
743                         goto die;
744                         }
745                 if (len < PEM_BUFSIZE)
746                         tpass[len] = 0;
747                 if (!PKCS12_verify_mac(p12, tpass, len))
748                         {
749                         BIO_printf(err,
750         "Mac verify error (wrong password?) in PKCS12 file for %s\n", desc);    
751                         goto die;
752                         }
753                 pass = tpass;
754                 }
755         ret = PKCS12_parse(p12, pass, pkey, cert, ca);
756         die:
757         if (p12)
758                 PKCS12_free(p12);
759         return ret;
760         }
761
762 X509 *load_cert(BIO *err, const char *file, int format,
763         const char *pass, ENGINE *e, const char *cert_descrip)
764         {
765         X509 *x=NULL;
766         BIO *cert;
767
768         if ((cert=BIO_new(BIO_s_file())) == NULL)
769                 {
770                 ERR_print_errors(err);
771                 goto end;
772                 }
773
774         if (file == NULL)
775                 {
776                 setvbuf(stdin, NULL, _IONBF, 0);
777                 BIO_set_fp(cert,stdin,BIO_NOCLOSE);
778                 }
779         else
780                 {
781                 if (BIO_read_filename(cert,file) <= 0)
782                         {
783                         BIO_printf(err, "Error opening %s %s\n",
784                                 cert_descrip, file);
785                         ERR_print_errors(err);
786                         goto end;
787                         }
788                 }
789
790         if      (format == FORMAT_ASN1)
791                 x=d2i_X509_bio(cert,NULL);
792         else if (format == FORMAT_NETSCAPE)
793                 {
794                 NETSCAPE_X509 *nx;
795                 nx=ASN1_item_d2i_bio(ASN1_ITEM_rptr(NETSCAPE_X509),cert,NULL);
796                 if (nx == NULL)
797                                 goto end;
798
799                 if ((strncmp(NETSCAPE_CERT_HDR,(char *)nx->header->data,
800                         nx->header->length) != 0))
801                         {
802                         NETSCAPE_X509_free(nx);
803                         BIO_printf(err,"Error reading header on certificate\n");
804                         goto end;
805                         }
806                 x=nx->cert;
807                 nx->cert = NULL;
808                 NETSCAPE_X509_free(nx);
809                 }
810         else if (format == FORMAT_PEM)
811                 x=PEM_read_bio_X509_AUX(cert,NULL,
812                         (pem_password_cb *)password_callback, NULL);
813         else if (format == FORMAT_PKCS12)
814                 {
815                 if (!load_pkcs12(err, cert,cert_descrip, NULL, NULL,
816                                         NULL, &x, NULL))
817                         goto end;
818                 }
819         else    {
820                 BIO_printf(err,"bad input format specified for %s\n",
821                         cert_descrip);
822                 goto end;
823                 }
824 end:
825         if (x == NULL)
826                 {
827                 BIO_printf(err,"unable to load certificate\n");
828                 ERR_print_errors(err);
829                 }
830         if (cert != NULL) BIO_free(cert);
831         return(x);
832         }
833
834 EVP_PKEY *load_key(BIO *err, const char *file, int format, int maybe_stdin,
835         const char *pass, ENGINE *e, const char *key_descrip)
836         {
837         BIO *key=NULL;
838         EVP_PKEY *pkey=NULL;
839         PW_CB_DATA cb_data;
840
841         cb_data.password = pass;
842         cb_data.prompt_info = file;
843
844         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
845                 {
846                 BIO_printf(err,"no keyfile specified\n");
847                 goto end;
848                 }
849 #ifndef OPENSSL_NO_ENGINE
850         if (format == FORMAT_ENGINE)
851                 {
852                 if (!e)
853                         BIO_printf(bio_err,"no engine specified\n");
854                 else
855                         pkey = ENGINE_load_private_key(e, file,
856                                 ui_method, &cb_data);
857                 goto end;
858                 }
859 #endif
860         key=BIO_new(BIO_s_file());
861         if (key == NULL)
862                 {
863                 ERR_print_errors(err);
864                 goto end;
865                 }
866         if (file == NULL && maybe_stdin)
867                 {
868                 setvbuf(stdin, NULL, _IONBF, 0);
869                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
870                 }
871         else
872                 if (BIO_read_filename(key,file) <= 0)
873                         {
874                         BIO_printf(err, "Error opening %s %s\n",
875                                 key_descrip, file);
876                         ERR_print_errors(err);
877                         goto end;
878                         }
879         if (format == FORMAT_ASN1)
880                 {
881                 pkey=d2i_PrivateKey_bio(key, NULL);
882                 }
883         else if (format == FORMAT_PEM)
884                 {
885                 pkey=PEM_read_bio_PrivateKey(key,NULL,
886                         (pem_password_cb *)password_callback, &cb_data);
887                 }
888 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
889         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
890                 pkey = load_netscape_key(err, key, file, key_descrip, format);
891 #endif
892         else if (format == FORMAT_PKCS12)
893                 {
894                 if (!load_pkcs12(err, key, key_descrip,
895                                 (pem_password_cb *)password_callback, &cb_data,
896                                 &pkey, NULL, NULL))
897                         goto end;
898                 }
899         else if (format == FORMAT_MSBLOB)
900                 pkey = b2i_PrivateKey_bio(key);
901         else if (format == FORMAT_PVK)
902                 pkey = b2i_PVK_bio(key, (pem_password_cb *)password_callback,
903                                                                 &cb_data);
904         else
905                 {
906                 BIO_printf(err,"bad input format specified for key file\n");
907                 goto end;
908                 }
909  end:
910         if (key != NULL) BIO_free(key);
911         if (pkey == NULL)
912                 BIO_printf(err,"unable to load %s\n", key_descrip);
913         return(pkey);
914         }
915
916 EVP_PKEY *load_pubkey(BIO *err, const char *file, int format, int maybe_stdin,
917         const char *pass, ENGINE *e, const char *key_descrip)
918         {
919         BIO *key=NULL;
920         EVP_PKEY *pkey=NULL;
921         PW_CB_DATA cb_data;
922
923         cb_data.password = pass;
924         cb_data.prompt_info = file;
925
926         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
927                 {
928                 BIO_printf(err,"no keyfile specified\n");
929                 goto end;
930                 }
931 #ifndef OPENSSL_NO_ENGINE
932         if (format == FORMAT_ENGINE)
933                 {
934                 if (!e)
935                         BIO_printf(bio_err,"no engine specified\n");
936                 else
937                         pkey = ENGINE_load_public_key(e, file,
938                                 ui_method, &cb_data);
939                 goto end;
940                 }
941 #endif
942         key=BIO_new(BIO_s_file());
943         if (key == NULL)
944                 {
945                 ERR_print_errors(err);
946                 goto end;
947                 }
948         if (file == NULL && maybe_stdin)
949                 {
950                 setvbuf(stdin, NULL, _IONBF, 0);
951                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
952                 }
953         else
954                 if (BIO_read_filename(key,file) <= 0)
955                         {
956                         BIO_printf(err, "Error opening %s %s\n",
957                                 key_descrip, file);
958                         ERR_print_errors(err);
959                         goto end;
960                 }
961         if (format == FORMAT_ASN1)
962                 {
963                 pkey=d2i_PUBKEY_bio(key, NULL);
964                 }
965         else if (format == FORMAT_ASN1RSA)
966                 {
967                 RSA *rsa;
968                 rsa = d2i_RSAPublicKey_bio(key, NULL);
969                 if (rsa)
970                         {
971                         pkey = EVP_PKEY_new();
972                         if (pkey)
973                                 EVP_PKEY_set1_RSA(pkey, rsa);
974                         RSA_free(rsa);
975                         }
976                 else
977                         pkey = NULL;
978                 }
979         else if (format == FORMAT_PEMRSA)
980                 {
981                 RSA *rsa;
982                 rsa = PEM_read_bio_RSAPublicKey(key, NULL, 
983                         (pem_password_cb *)password_callback, &cb_data);
984                 if (rsa)
985                         {
986                         pkey = EVP_PKEY_new();
987                         if (pkey)
988                                 EVP_PKEY_set1_RSA(pkey, rsa);
989                         RSA_free(rsa);
990                         }
991                 else
992                         pkey = NULL;
993                 }
994
995         else if (format == FORMAT_PEM)
996                 {
997                 pkey=PEM_read_bio_PUBKEY(key,NULL,
998                         (pem_password_cb *)password_callback, &cb_data);
999                 }
1000 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
1001         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
1002                 pkey = load_netscape_key(err, key, file, key_descrip, format);
1003 #endif
1004         else if (format == FORMAT_MSBLOB)
1005                 pkey = b2i_PublicKey_bio(key);
1006         else
1007                 {
1008                 BIO_printf(err,"bad input format specified for key file\n");
1009                 goto end;
1010                 }
1011  end:
1012         if (key != NULL) BIO_free(key);
1013         if (pkey == NULL)
1014                 BIO_printf(err,"unable to load %s\n", key_descrip);
1015         return(pkey);
1016         }
1017
1018 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
1019 static EVP_PKEY *
1020 load_netscape_key(BIO *err, BIO *key, const char *file,
1021                 const char *key_descrip, int format)
1022         {
1023         EVP_PKEY *pkey;
1024         BUF_MEM *buf;
1025         RSA     *rsa;
1026         const unsigned char *p;
1027         int size, i;
1028
1029         buf=BUF_MEM_new();
1030         pkey = EVP_PKEY_new();
1031         size = 0;
1032         if (buf == NULL || pkey == NULL)
1033                 goto error;
1034         for (;;)
1035                 {
1036                 if (!BUF_MEM_grow_clean(buf,size+1024*10))
1037                         goto error;
1038                 i = BIO_read(key, &(buf->data[size]), 1024*10);
1039                 size += i;
1040                 if (i == 0)
1041                         break;
1042                 if (i < 0)
1043                         {
1044                                 BIO_printf(err, "Error reading %s %s",
1045                                         key_descrip, file);
1046                                 goto error;
1047                         }
1048                 }
1049         p=(unsigned char *)buf->data;
1050         rsa = d2i_RSA_NET(NULL,&p,(long)size,NULL,
1051                 (format == FORMAT_IISSGC ? 1 : 0));
1052         if (rsa == NULL)
1053                 goto error;
1054         BUF_MEM_free(buf);
1055         EVP_PKEY_set1_RSA(pkey, rsa);
1056         return pkey;
1057 error:
1058         BUF_MEM_free(buf);
1059         EVP_PKEY_free(pkey);
1060         return NULL;
1061         }
1062 #endif /* ndef OPENSSL_NO_RC4 */
1063
1064 STACK_OF(X509) *load_certs(BIO *err, const char *file, int format,
1065         const char *pass, ENGINE *e, const char *cert_descrip)
1066         {
1067         BIO *certs;
1068         int i;
1069         STACK_OF(X509) *othercerts = NULL;
1070         STACK_OF(X509_INFO) *allcerts = NULL;
1071         X509_INFO *xi;
1072         PW_CB_DATA cb_data;
1073
1074         cb_data.password = pass;
1075         cb_data.prompt_info = file;
1076
1077         if((certs = BIO_new(BIO_s_file())) == NULL)
1078                 {
1079                 ERR_print_errors(err);
1080                 goto end;
1081                 }
1082
1083         if (file == NULL)
1084                 BIO_set_fp(certs,stdin,BIO_NOCLOSE);
1085         else
1086                 {
1087                 if (BIO_read_filename(certs,file) <= 0)
1088                         {
1089                         BIO_printf(err, "Error opening %s %s\n",
1090                                 cert_descrip, file);
1091                         ERR_print_errors(err);
1092                         goto end;
1093                         }
1094                 }
1095
1096         if      (format == FORMAT_PEM)
1097                 {
1098                 othercerts = sk_X509_new_null();
1099                 if(!othercerts)
1100                         {
1101                         sk_X509_free(othercerts);
1102                         othercerts = NULL;
1103                         goto end;
1104                         }
1105                 allcerts = PEM_X509_INFO_read_bio(certs, NULL,
1106                                 (pem_password_cb *)password_callback, &cb_data);
1107                 for(i = 0; i < sk_X509_INFO_num(allcerts); i++)
1108                         {
1109                         xi = sk_X509_INFO_value (allcerts, i);
1110                         if (xi->x509)
1111                                 {
1112                                 sk_X509_push(othercerts, xi->x509);
1113                                 xi->x509 = NULL;
1114                                 }
1115                         }
1116                 goto end;
1117                 }
1118         else    {
1119                 BIO_printf(err,"bad input format specified for %s\n",
1120                         cert_descrip);
1121                 goto end;
1122                 }
1123 end:
1124         if (othercerts == NULL)
1125                 {
1126                 BIO_printf(err,"unable to load certificates\n");
1127                 ERR_print_errors(err);
1128                 }
1129         if (allcerts) sk_X509_INFO_pop_free(allcerts, X509_INFO_free);
1130         if (certs != NULL) BIO_free(certs);
1131         return(othercerts);
1132         }
1133
1134
1135 #define X509V3_EXT_UNKNOWN_MASK         (0xfL << 16)
1136 /* Return error for unknown extensions */
1137 #define X509V3_EXT_DEFAULT              0
1138 /* Print error for unknown extensions */
1139 #define X509V3_EXT_ERROR_UNKNOWN        (1L << 16)
1140 /* ASN1 parse unknown extensions */
1141 #define X509V3_EXT_PARSE_UNKNOWN        (2L << 16)
1142 /* BIO_dump unknown extensions */
1143 #define X509V3_EXT_DUMP_UNKNOWN         (3L << 16)
1144
1145 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1146                          X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1147
1148 int set_cert_ex(unsigned long *flags, const char *arg)
1149 {
1150         static const NAME_EX_TBL cert_tbl[] = {
1151                 { "compatible", X509_FLAG_COMPAT, 0xffffffffl},
1152                 { "ca_default", X509_FLAG_CA, 0xffffffffl},
1153                 { "no_header", X509_FLAG_NO_HEADER, 0},
1154                 { "no_version", X509_FLAG_NO_VERSION, 0},
1155                 { "no_serial", X509_FLAG_NO_SERIAL, 0},
1156                 { "no_signame", X509_FLAG_NO_SIGNAME, 0},
1157                 { "no_validity", X509_FLAG_NO_VALIDITY, 0},
1158                 { "no_subject", X509_FLAG_NO_SUBJECT, 0},
1159                 { "no_issuer", X509_FLAG_NO_ISSUER, 0},
1160                 { "no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1161                 { "no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1162                 { "no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1163                 { "no_aux", X509_FLAG_NO_AUX, 0},
1164                 { "no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1165                 { "ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1166                 { "ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1167                 { "ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1168                 { "ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1169                 { NULL, 0, 0}
1170         };
1171         return set_multi_opts(flags, arg, cert_tbl);
1172 }
1173
1174 int set_name_ex(unsigned long *flags, const char *arg)
1175 {
1176         static const NAME_EX_TBL ex_tbl[] = {
1177                 { "esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1178                 { "esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1179                 { "esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1180                 { "use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1181                 { "utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1182                 { "ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1183                 { "show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1184                 { "dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1185                 { "dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1186                 { "dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1187                 { "compat", XN_FLAG_COMPAT, 0xffffffffL},
1188                 { "sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1189                 { "sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1190                 { "sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1191                 { "sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1192                 { "dn_rev", XN_FLAG_DN_REV, 0},
1193                 { "nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1194                 { "sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1195                 { "lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1196                 { "align", XN_FLAG_FN_ALIGN, 0},
1197                 { "oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1198                 { "space_eq", XN_FLAG_SPC_EQ, 0},
1199                 { "dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1200                 { "RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1201                 { "oneline", XN_FLAG_ONELINE, 0xffffffffL},
1202                 { "multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1203                 { "ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1204                 { NULL, 0, 0}
1205         };
1206         return set_multi_opts(flags, arg, ex_tbl);
1207 }
1208
1209 int set_ext_copy(int *copy_type, const char *arg)
1210 {
1211         if (!strcasecmp(arg, "none"))
1212                 *copy_type = EXT_COPY_NONE;
1213         else if (!strcasecmp(arg, "copy"))
1214                 *copy_type = EXT_COPY_ADD;
1215         else if (!strcasecmp(arg, "copyall"))
1216                 *copy_type = EXT_COPY_ALL;
1217         else
1218                 return 0;
1219         return 1;
1220 }
1221
1222 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1223 {
1224         STACK_OF(X509_EXTENSION) *exts = NULL;
1225         X509_EXTENSION *ext, *tmpext;
1226         ASN1_OBJECT *obj;
1227         int i, idx, ret = 0;
1228         if (!x || !req || (copy_type == EXT_COPY_NONE))
1229                 return 1;
1230         exts = X509_REQ_get_extensions(req);
1231
1232         for(i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1233                 ext = sk_X509_EXTENSION_value(exts, i);
1234                 obj = X509_EXTENSION_get_object(ext);
1235                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1236                 /* Does extension exist? */
1237                 if (idx != -1) {
1238                         /* If normal copy don't override existing extension */
1239                         if (copy_type == EXT_COPY_ADD)
1240                                 continue;
1241                         /* Delete all extensions of same type */
1242                         do {
1243                                 tmpext = X509_get_ext(x, idx);
1244                                 X509_delete_ext(x, idx);
1245                                 X509_EXTENSION_free(tmpext);
1246                                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1247                         } while (idx != -1);
1248                 }
1249                 if (!X509_add_ext(x, ext, -1))
1250                         goto end;
1251         }
1252
1253         ret = 1;
1254
1255         end:
1256
1257         sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1258
1259         return ret;
1260 }
1261                 
1262                 
1263                         
1264
1265 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1266 {
1267         STACK_OF(CONF_VALUE) *vals;
1268         CONF_VALUE *val;
1269         int i, ret = 1;
1270         if(!arg) return 0;
1271         vals = X509V3_parse_list(arg);
1272         for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1273                 val = sk_CONF_VALUE_value(vals, i);
1274                 if (!set_table_opts(flags, val->name, in_tbl))
1275                         ret = 0;
1276         }
1277         sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1278         return ret;
1279 }
1280
1281 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1282 {
1283         char c;
1284         const NAME_EX_TBL *ptbl;
1285         c = arg[0];
1286
1287         if(c == '-') {
1288                 c = 0;
1289                 arg++;
1290         } else if (c == '+') {
1291                 c = 1;
1292                 arg++;
1293         } else c = 1;
1294
1295         for(ptbl = in_tbl; ptbl->name; ptbl++) {
1296                 if(!strcasecmp(arg, ptbl->name)) {
1297                         *flags &= ~ptbl->mask;
1298                         if(c) *flags |= ptbl->flag;
1299                         else *flags &= ~ptbl->flag;
1300                         return 1;
1301                 }
1302         }
1303         return 0;
1304 }
1305
1306 void print_name(BIO *out, const char *title, X509_NAME *nm, unsigned long lflags)
1307 {
1308         char *buf;
1309         char mline = 0;
1310         int indent = 0;
1311
1312         if(title) BIO_puts(out, title);
1313         if((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1314                 mline = 1;
1315                 indent = 4;
1316         }
1317         if(lflags == XN_FLAG_COMPAT) {
1318                 buf = X509_NAME_oneline(nm, 0, 0);
1319                 BIO_puts(out, buf);
1320                 BIO_puts(out, "\n");
1321                 OPENSSL_free(buf);
1322         } else {
1323                 if(mline) BIO_puts(out, "\n");
1324                 X509_NAME_print_ex(out, nm, indent, lflags);
1325                 BIO_puts(out, "\n");
1326         }
1327 }
1328
1329 X509_STORE *setup_verify(BIO *bp, char *CAfile, char *CApath)
1330 {
1331         X509_STORE *store;
1332         X509_LOOKUP *lookup;
1333         if(!(store = X509_STORE_new())) goto end;
1334         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file());
1335         if (lookup == NULL) goto end;
1336         if (CAfile) {
1337                 if(!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) {
1338                         BIO_printf(bp, "Error loading file %s\n", CAfile);
1339                         goto end;
1340                 }
1341         } else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
1342                 
1343         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir());
1344         if (lookup == NULL) goto end;
1345         if (CApath) {
1346                 if(!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) {
1347                         BIO_printf(bp, "Error loading directory %s\n", CApath);
1348                         goto end;
1349                 }
1350         } else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
1351
1352         ERR_clear_error();
1353         return store;
1354         end:
1355         X509_STORE_free(store);
1356         return NULL;
1357 }
1358
1359 #ifndef OPENSSL_NO_ENGINE
1360 /* Try to load an engine in a shareable library */
1361 static ENGINE *try_load_engine(BIO *err, const char *engine, int debug)
1362         {
1363         ENGINE *e = ENGINE_by_id("dynamic");
1364         if (e)
1365                 {
1366                 if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
1367                         || !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0))
1368                         {
1369                         ENGINE_free(e);
1370                         e = NULL;
1371                         }
1372                 }
1373         return e;
1374         }
1375
1376 ENGINE *setup_engine(BIO *err, const char *engine, int debug)
1377         {
1378         ENGINE *e = NULL;
1379
1380         if (engine)
1381                 {
1382                 if(strcmp(engine, "auto") == 0)
1383                         {
1384                         BIO_printf(err,"enabling auto ENGINE support\n");
1385                         ENGINE_register_all_complete();
1386                         return NULL;
1387                         }
1388                 if((e = ENGINE_by_id(engine)) == NULL
1389                         && (e = try_load_engine(err, engine, debug)) == NULL)
1390                         {
1391                         BIO_printf(err,"invalid engine \"%s\"\n", engine);
1392                         ERR_print_errors(err);
1393                         return NULL;
1394                         }
1395                 if (debug)
1396                         {
1397                         ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM,
1398                                 0, err, 0);
1399                         }
1400                 ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
1401                 if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
1402                         {
1403                         BIO_printf(err,"can't use that engine\n");
1404                         ERR_print_errors(err);
1405                         ENGINE_free(e);
1406                         return NULL;
1407                         }
1408
1409                 BIO_printf(err,"engine \"%s\" set.\n", ENGINE_get_id(e));
1410
1411                 /* Free our "structural" reference. */
1412                 ENGINE_free(e);
1413                 }
1414         return e;
1415         }
1416 #endif
1417
1418 int load_config(BIO *err, CONF *cnf)
1419         {
1420         if (!cnf)
1421                 cnf = config;
1422         if (!cnf)
1423                 return 1;
1424
1425         OPENSSL_load_builtin_modules();
1426
1427         if (CONF_modules_load(cnf, NULL, 0) <= 0)
1428                 {
1429                 BIO_printf(err, "Error configuring OpenSSL\n");
1430                 ERR_print_errors(err);
1431                 return 0;
1432                 }
1433         return 1;
1434         }
1435
1436 char *make_config_name()
1437         {
1438         const char *t=X509_get_default_cert_area();
1439         size_t len;
1440         char *p;
1441
1442         len=strlen(t)+strlen(OPENSSL_CONF)+2;
1443         p=OPENSSL_malloc(len);
1444         BUF_strlcpy(p,t,len);
1445 #ifndef OPENSSL_SYS_VMS
1446         BUF_strlcat(p,"/",len);
1447 #endif
1448         BUF_strlcat(p,OPENSSL_CONF,len);
1449
1450         return p;
1451         }
1452
1453 static unsigned long index_serial_hash(const char **a)
1454         {
1455         const char *n;
1456
1457         n=a[DB_serial];
1458         while (*n == '0') n++;
1459         return(lh_strhash(n));
1460         }
1461
1462 static int index_serial_cmp(const char **a, const char **b)
1463         {
1464         const char *aa,*bb;
1465
1466         for (aa=a[DB_serial]; *aa == '0'; aa++);
1467         for (bb=b[DB_serial]; *bb == '0'; bb++);
1468         return(strcmp(aa,bb));
1469         }
1470
1471 static int index_name_qual(char **a)
1472         { return(a[0][0] == 'V'); }
1473
1474 static unsigned long index_name_hash(const char **a)
1475         { return(lh_strhash(a[DB_name])); }
1476
1477 int index_name_cmp(const char **a, const char **b)
1478         { return(strcmp(a[DB_name],
1479              b[DB_name])); }
1480
1481 static IMPLEMENT_LHASH_HASH_FN(index_serial_hash,const char **)
1482 static IMPLEMENT_LHASH_COMP_FN(index_serial_cmp,const char **)
1483 static IMPLEMENT_LHASH_HASH_FN(index_name_hash,const char **)
1484 static IMPLEMENT_LHASH_COMP_FN(index_name_cmp,const char **)
1485
1486 #undef BSIZE
1487 #define BSIZE 256
1488
1489 BIGNUM *load_serial(char *serialfile, int create, ASN1_INTEGER **retai)
1490         {
1491         BIO *in=NULL;
1492         BIGNUM *ret=NULL;
1493         MS_STATIC char buf[1024];
1494         ASN1_INTEGER *ai=NULL;
1495
1496         ai=ASN1_INTEGER_new();
1497         if (ai == NULL) goto err;
1498
1499         if ((in=BIO_new(BIO_s_file())) == NULL)
1500                 {
1501                 ERR_print_errors(bio_err);
1502                 goto err;
1503                 }
1504
1505         if (BIO_read_filename(in,serialfile) <= 0)
1506                 {
1507                 if (!create)
1508                         {
1509                         perror(serialfile);
1510                         goto err;
1511                         }
1512                 else
1513                         {
1514                         ret=BN_new();
1515                         if (ret == NULL || !rand_serial(ret, ai))
1516                                 BIO_printf(bio_err, "Out of memory\n");
1517                         }
1518                 }
1519         else
1520                 {
1521                 if (!a2i_ASN1_INTEGER(in,ai,buf,1024))
1522                         {
1523                         BIO_printf(bio_err,"unable to load number from %s\n",
1524                                 serialfile);
1525                         goto err;
1526                         }
1527                 ret=ASN1_INTEGER_to_BN(ai,NULL);
1528                 if (ret == NULL)
1529                         {
1530                         BIO_printf(bio_err,"error converting number from bin to BIGNUM\n");
1531                         goto err;
1532                         }
1533                 }
1534
1535         if (ret && retai)
1536                 {
1537                 *retai = ai;
1538                 ai = NULL;
1539                 }
1540  err:
1541         if (in != NULL) BIO_free(in);
1542         if (ai != NULL) ASN1_INTEGER_free(ai);
1543         return(ret);
1544         }
1545
1546 int save_serial(char *serialfile, char *suffix, BIGNUM *serial, ASN1_INTEGER **retai)
1547         {
1548         char buf[1][BSIZE];
1549         BIO *out = NULL;
1550         int ret=0;
1551         ASN1_INTEGER *ai=NULL;
1552         int j;
1553
1554         if (suffix == NULL)
1555                 j = strlen(serialfile);
1556         else
1557                 j = strlen(serialfile) + strlen(suffix) + 1;
1558         if (j >= BSIZE)
1559                 {
1560                 BIO_printf(bio_err,"file name too long\n");
1561                 goto err;
1562                 }
1563
1564         if (suffix == NULL)
1565                 BUF_strlcpy(buf[0], serialfile, BSIZE);
1566         else
1567                 {
1568 #ifndef OPENSSL_SYS_VMS
1569                 j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", serialfile, suffix);
1570 #else
1571                 j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", serialfile, suffix);
1572 #endif
1573                 }
1574 #ifdef RL_DEBUG
1575         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1576 #endif
1577         out=BIO_new(BIO_s_file());
1578         if (out == NULL)
1579                 {
1580                 ERR_print_errors(bio_err);
1581                 goto err;
1582                 }
1583         if (BIO_write_filename(out,buf[0]) <= 0)
1584                 {
1585                 perror(serialfile);
1586                 goto err;
1587                 }
1588
1589         if ((ai=BN_to_ASN1_INTEGER(serial,NULL)) == NULL)
1590                 {
1591                 BIO_printf(bio_err,"error converting serial to ASN.1 format\n");
1592                 goto err;
1593                 }
1594         i2a_ASN1_INTEGER(out,ai);
1595         BIO_puts(out,"\n");
1596         ret=1;
1597         if (retai)
1598                 {
1599                 *retai = ai;
1600                 ai = NULL;
1601                 }
1602 err:
1603         if (out != NULL) BIO_free_all(out);
1604         if (ai != NULL) ASN1_INTEGER_free(ai);
1605         return(ret);
1606         }
1607
1608 int rotate_serial(char *serialfile, char *new_suffix, char *old_suffix)
1609         {
1610         char buf[5][BSIZE];
1611         int i,j;
1612         struct stat sb;
1613
1614         i = strlen(serialfile) + strlen(old_suffix);
1615         j = strlen(serialfile) + strlen(new_suffix);
1616         if (i > j) j = i;
1617         if (j + 1 >= BSIZE)
1618                 {
1619                 BIO_printf(bio_err,"file name too long\n");
1620                 goto err;
1621                 }
1622
1623 #ifndef OPENSSL_SYS_VMS
1624         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1625                 serialfile, new_suffix);
1626 #else
1627         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1628                 serialfile, new_suffix);
1629 #endif
1630 #ifndef OPENSSL_SYS_VMS
1631         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1632                 serialfile, old_suffix);
1633 #else
1634         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
1635                 serialfile, old_suffix);
1636 #endif
1637         if (stat(serialfile,&sb) < 0)
1638                 {
1639                 if (errno != ENOENT 
1640 #ifdef ENOTDIR
1641                         && errno != ENOTDIR
1642 #endif
1643                    )
1644                         goto err;
1645                 }
1646         else
1647                 {
1648 #ifdef RL_DEBUG
1649                 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1650                         serialfile, buf[1]);
1651 #endif
1652                 if (rename(serialfile,buf[1]) < 0)
1653                         {
1654                         BIO_printf(bio_err,
1655                                 "unable to rename %s to %s\n",
1656                                 serialfile, buf[1]);
1657                         perror("reason");
1658                         goto err;
1659                         }
1660                 }
1661 #ifdef RL_DEBUG
1662         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1663                 buf[0],serialfile);
1664 #endif
1665         if (rename(buf[0],serialfile) < 0)
1666                 {
1667                 BIO_printf(bio_err,
1668                         "unable to rename %s to %s\n",
1669                         buf[0],serialfile);
1670                 perror("reason");
1671                 rename(buf[1],serialfile);
1672                 goto err;
1673                 }
1674         return 1;
1675  err:
1676         return 0;
1677         }
1678
1679 int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1680         {
1681         BIGNUM *btmp;
1682         int ret = 0;
1683         if (b)
1684                 btmp = b;
1685         else
1686                 btmp = BN_new();
1687
1688         if (!btmp)
1689                 return 0;
1690
1691         if (!BN_pseudo_rand(btmp, SERIAL_RAND_BITS, 0, 0))
1692                 goto error;
1693         if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1694                 goto error;
1695
1696         ret = 1;
1697         
1698         error:
1699
1700         if (!b)
1701                 BN_free(btmp);
1702         
1703         return ret;
1704         }
1705
1706 CA_DB *load_index(char *dbfile, DB_ATTR *db_attr)
1707         {
1708         CA_DB *retdb = NULL;
1709         TXT_DB *tmpdb = NULL;
1710         BIO *in = BIO_new(BIO_s_file());
1711         CONF *dbattr_conf = NULL;
1712         char buf[1][BSIZE];
1713         long errorline= -1;
1714
1715         if (in == NULL)
1716                 {
1717                 ERR_print_errors(bio_err);
1718                 goto err;
1719                 }
1720         if (BIO_read_filename(in,dbfile) <= 0)
1721                 {
1722                 perror(dbfile);
1723                 BIO_printf(bio_err,"unable to open '%s'\n",dbfile);
1724                 goto err;
1725                 }
1726         if ((tmpdb = TXT_DB_read(in,DB_NUMBER)) == NULL)
1727                 {
1728                 if (tmpdb != NULL) TXT_DB_free(tmpdb);
1729                 goto err;
1730                 }
1731
1732 #ifndef OPENSSL_SYS_VMS
1733         BIO_snprintf(buf[0], sizeof buf[0], "%s.attr", dbfile);
1734 #else
1735         BIO_snprintf(buf[0], sizeof buf[0], "%s-attr", dbfile);
1736 #endif
1737         dbattr_conf = NCONF_new(NULL);
1738         if (NCONF_load(dbattr_conf,buf[0],&errorline) <= 0)
1739                 {
1740                 if (errorline > 0)
1741                         {
1742                         BIO_printf(bio_err,
1743                                 "error on line %ld of db attribute file '%s'\n"
1744                                 ,errorline,buf[0]);
1745                         goto err;
1746                         }
1747                 else
1748                         {
1749                         NCONF_free(dbattr_conf);
1750                         dbattr_conf = NULL;
1751                         }
1752                 }
1753
1754         if ((retdb = OPENSSL_malloc(sizeof(CA_DB))) == NULL)
1755                 {
1756                 fprintf(stderr, "Out of memory\n");
1757                 goto err;
1758                 }
1759
1760         retdb->db = tmpdb;
1761         tmpdb = NULL;
1762         if (db_attr)
1763                 retdb->attributes = *db_attr;
1764         else
1765                 {
1766                 retdb->attributes.unique_subject = 1;
1767                 }
1768
1769         if (dbattr_conf)
1770                 {
1771                 char *p = NCONF_get_string(dbattr_conf,NULL,"unique_subject");
1772                 if (p)
1773                         {
1774 #ifdef RL_DEBUG
1775                         BIO_printf(bio_err, "DEBUG[load_index]: unique_subject = \"%s\"\n", p);
1776 #endif
1777                         retdb->attributes.unique_subject = parse_yesno(p,1);
1778                         }
1779                 }
1780
1781  err:
1782         if (dbattr_conf) NCONF_free(dbattr_conf);
1783         if (tmpdb) TXT_DB_free(tmpdb);
1784         if (in) BIO_free_all(in);
1785         return retdb;
1786         }
1787
1788 int index_index(CA_DB *db)
1789         {
1790         if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1791                                 LHASH_HASH_FN(index_serial_hash),
1792                                 LHASH_COMP_FN(index_serial_cmp)))
1793                 {
1794                 BIO_printf(bio_err,
1795                   "error creating serial number index:(%ld,%ld,%ld)\n",
1796                                         db->db->error,db->db->arg1,db->db->arg2);
1797                         return 0;
1798                 }
1799
1800         if (db->attributes.unique_subject
1801                 && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1802                         LHASH_HASH_FN(index_name_hash),
1803                         LHASH_COMP_FN(index_name_cmp)))
1804                 {
1805                 BIO_printf(bio_err,"error creating name index:(%ld,%ld,%ld)\n",
1806                         db->db->error,db->db->arg1,db->db->arg2);
1807                 return 0;
1808                 }
1809         return 1;
1810         }
1811
1812 int save_index(const char *dbfile, const char *suffix, CA_DB *db)
1813         {
1814         char buf[3][BSIZE];
1815         BIO *out = BIO_new(BIO_s_file());
1816         int j;
1817
1818         if (out == NULL)
1819                 {
1820                 ERR_print_errors(bio_err);
1821                 goto err;
1822                 }
1823
1824         j = strlen(dbfile) + strlen(suffix);
1825         if (j + 6 >= BSIZE)
1826                 {
1827                 BIO_printf(bio_err,"file name too long\n");
1828                 goto err;
1829                 }
1830
1831 #ifndef OPENSSL_SYS_VMS
1832         j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr", dbfile);
1833 #else
1834         j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr", dbfile);
1835 #endif
1836 #ifndef OPENSSL_SYS_VMS
1837         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.attr.%s", dbfile, suffix);
1838 #else
1839         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-attr-%s", dbfile, suffix);
1840 #endif
1841 #ifndef OPENSSL_SYS_VMS
1842         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", dbfile, suffix);
1843 #else
1844         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", dbfile, suffix);
1845 #endif
1846 #ifdef RL_DEBUG
1847         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1848 #endif
1849         if (BIO_write_filename(out,buf[0]) <= 0)
1850                 {
1851                 perror(dbfile);
1852                 BIO_printf(bio_err,"unable to open '%s'\n", dbfile);
1853                 goto err;
1854                 }
1855         j=TXT_DB_write(out,db->db);
1856         if (j <= 0) goto err;
1857                         
1858         BIO_free(out);
1859
1860         out = BIO_new(BIO_s_file());
1861 #ifdef RL_DEBUG
1862         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[1]);
1863 #endif
1864         if (BIO_write_filename(out,buf[1]) <= 0)
1865                 {
1866                 perror(buf[2]);
1867                 BIO_printf(bio_err,"unable to open '%s'\n", buf[2]);
1868                 goto err;
1869                 }
1870         BIO_printf(out,"unique_subject = %s\n",
1871                 db->attributes.unique_subject ? "yes" : "no");
1872         BIO_free(out);
1873
1874         return 1;
1875  err:
1876         return 0;
1877         }
1878
1879 int rotate_index(const char *dbfile, const char *new_suffix, const char *old_suffix)
1880         {
1881         char buf[5][BSIZE];
1882         int i,j;
1883         struct stat sb;
1884
1885         i = strlen(dbfile) + strlen(old_suffix);
1886         j = strlen(dbfile) + strlen(new_suffix);
1887         if (i > j) j = i;
1888         if (j + 6 >= BSIZE)
1889                 {
1890                 BIO_printf(bio_err,"file name too long\n");
1891                 goto err;
1892                 }
1893
1894 #ifndef OPENSSL_SYS_VMS
1895         j = BIO_snprintf(buf[4], sizeof buf[4], "%s.attr", dbfile);
1896 #else
1897         j = BIO_snprintf(buf[4], sizeof buf[4], "%s-attr", dbfile);
1898 #endif
1899 #ifndef OPENSSL_SYS_VMS
1900         j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr.%s",
1901                 dbfile, new_suffix);
1902 #else
1903         j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr-%s",
1904                 dbfile, new_suffix);
1905 #endif
1906 #ifndef OPENSSL_SYS_VMS
1907         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1908                 dbfile, new_suffix);
1909 #else
1910         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1911                 dbfile, new_suffix);
1912 #endif
1913 #ifndef OPENSSL_SYS_VMS
1914         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1915                 dbfile, old_suffix);
1916 #else
1917         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
1918                 dbfile, old_suffix);
1919 #endif
1920 #ifndef OPENSSL_SYS_VMS
1921         j = BIO_snprintf(buf[3], sizeof buf[3], "%s.attr.%s",
1922                 dbfile, old_suffix);
1923 #else
1924         j = BIO_snprintf(buf[3], sizeof buf[3], "%s-attr-%s",
1925                 dbfile, old_suffix);
1926 #endif
1927         if (stat(dbfile,&sb) < 0)
1928                 {
1929                 if (errno != ENOENT 
1930 #ifdef ENOTDIR
1931                         && errno != ENOTDIR
1932 #endif
1933                    )
1934                         goto err;
1935                 }
1936         else
1937                 {
1938 #ifdef RL_DEBUG
1939                 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1940                         dbfile, buf[1]);
1941 #endif
1942                 if (rename(dbfile,buf[1]) < 0)
1943                         {
1944                         BIO_printf(bio_err,
1945                                 "unable to rename %s to %s\n",
1946                                 dbfile, buf[1]);
1947                         perror("reason");
1948                         goto err;
1949                         }
1950                 }
1951 #ifdef RL_DEBUG
1952         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1953                 buf[0],dbfile);
1954 #endif
1955         if (rename(buf[0],dbfile) < 0)
1956                 {
1957                 BIO_printf(bio_err,
1958                         "unable to rename %s to %s\n",
1959                         buf[0],dbfile);
1960                 perror("reason");
1961                 rename(buf[1],dbfile);
1962                 goto err;
1963                 }
1964         if (stat(buf[4],&sb) < 0)
1965                 {
1966                 if (errno != ENOENT 
1967 #ifdef ENOTDIR
1968                         && errno != ENOTDIR
1969 #endif
1970                    )
1971                         goto err;
1972                 }
1973         else
1974                 {
1975 #ifdef RL_DEBUG
1976                 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1977                         buf[4],buf[3]);
1978 #endif
1979                 if (rename(buf[4],buf[3]) < 0)
1980                         {
1981                         BIO_printf(bio_err,
1982                                 "unable to rename %s to %s\n",
1983                                 buf[4], buf[3]);
1984                         perror("reason");
1985                         rename(dbfile,buf[0]);
1986                         rename(buf[1],dbfile);
1987                         goto err;
1988                         }
1989                 }
1990 #ifdef RL_DEBUG
1991         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1992                 buf[2],buf[4]);
1993 #endif
1994         if (rename(buf[2],buf[4]) < 0)
1995                 {
1996                 BIO_printf(bio_err,
1997                         "unable to rename %s to %s\n",
1998                         buf[2],buf[4]);
1999                 perror("reason");
2000                 rename(buf[3],buf[4]);
2001                 rename(dbfile,buf[0]);
2002                 rename(buf[1],dbfile);
2003                 goto err;
2004                 }
2005         return 1;
2006  err:
2007         return 0;
2008         }
2009
2010 void free_index(CA_DB *db)
2011         {
2012         if (db)
2013                 {
2014                 if (db->db) TXT_DB_free(db->db);
2015                 OPENSSL_free(db);
2016                 }
2017         }
2018
2019 int parse_yesno(const char *str, int def)
2020         {
2021         int ret = def;
2022         if (str)
2023                 {
2024                 switch (*str)
2025                         {
2026                 case 'f': /* false */
2027                 case 'F': /* FALSE */
2028                 case 'n': /* no */
2029                 case 'N': /* NO */
2030                 case '0': /* 0 */
2031                         ret = 0;
2032                         break;
2033                 case 't': /* true */
2034                 case 'T': /* TRUE */
2035                 case 'y': /* yes */
2036                 case 'Y': /* YES */
2037                 case '1': /* 1 */
2038                         ret = 0;
2039                         break;
2040                 default:
2041                         ret = def;
2042                         break;
2043                         }
2044                 }
2045         return ret;
2046         }
2047
2048 /*
2049  * subject is expected to be in the format /type0=value0/type1=value1/type2=...
2050  * where characters may be escaped by \
2051  */
2052 X509_NAME *parse_name(char *subject, long chtype, int multirdn)
2053         {
2054         size_t buflen = strlen(subject)+1; /* to copy the types and values into. due to escaping, the copy can only become shorter */
2055         char *buf = OPENSSL_malloc(buflen);
2056         size_t max_ne = buflen / 2 + 1; /* maximum number of name elements */
2057         char **ne_types = OPENSSL_malloc(max_ne * sizeof (char *));
2058         char **ne_values = OPENSSL_malloc(max_ne * sizeof (char *));
2059         int *mval = OPENSSL_malloc (max_ne * sizeof (int));
2060
2061         char *sp = subject, *bp = buf;
2062         int i, ne_num = 0;
2063
2064         X509_NAME *n = NULL;
2065         int nid;
2066
2067         if (!buf || !ne_types || !ne_values)
2068                 {
2069                 BIO_printf(bio_err, "malloc error\n");
2070                 goto error;
2071                 }       
2072
2073         if (*subject != '/')
2074                 {
2075                 BIO_printf(bio_err, "Subject does not start with '/'.\n");
2076                 goto error;
2077                 }
2078         sp++; /* skip leading / */
2079
2080         /* no multivalued RDN by default */
2081         mval[ne_num] = 0;
2082
2083         while (*sp)
2084                 {
2085                 /* collect type */
2086                 ne_types[ne_num] = bp;
2087                 while (*sp)
2088                         {
2089                         if (*sp == '\\') /* is there anything to escape in the type...? */
2090                                 {
2091                                 if (*++sp)
2092                                         *bp++ = *sp++;
2093                                 else    
2094                                         {
2095                                         BIO_printf(bio_err, "escape character at end of string\n");
2096                                         goto error;
2097                                         }
2098                                 }       
2099                         else if (*sp == '=')
2100                                 {
2101                                 sp++;
2102                                 *bp++ = '\0';
2103                                 break;
2104                                 }
2105                         else
2106                                 *bp++ = *sp++;
2107                         }
2108                 if (!*sp)
2109                         {
2110                         BIO_printf(bio_err, "end of string encountered while processing type of subject name element #%d\n", ne_num);
2111                         goto error;
2112                         }
2113                 ne_values[ne_num] = bp;
2114                 while (*sp)
2115                         {
2116                         if (*sp == '\\')
2117                                 {
2118                                 if (*++sp)
2119                                         *bp++ = *sp++;
2120                                 else
2121                                         {
2122                                         BIO_printf(bio_err, "escape character at end of string\n");
2123                                         goto error;
2124                                         }
2125                                 }
2126                         else if (*sp == '/')
2127                                 {
2128                                 sp++;
2129                                 /* no multivalued RDN by default */
2130                                 mval[ne_num+1] = 0;
2131                                 break;
2132                                 }
2133                         else if (*sp == '+' && multirdn)
2134                                 {
2135                                 /* a not escaped + signals a mutlivalued RDN */
2136                                 sp++;
2137                                 mval[ne_num+1] = -1;
2138                                 break;
2139                                 }
2140                         else
2141                                 *bp++ = *sp++;
2142                         }
2143                 *bp++ = '\0';
2144                 ne_num++;
2145                 }       
2146
2147         if (!(n = X509_NAME_new()))
2148                 goto error;
2149
2150         for (i = 0; i < ne_num; i++)
2151                 {
2152                 if ((nid=OBJ_txt2nid(ne_types[i])) == NID_undef)
2153                         {
2154                         BIO_printf(bio_err, "Subject Attribute %s has no known NID, skipped\n", ne_types[i]);
2155                         continue;
2156                         }
2157
2158                 if (!*ne_values[i])
2159                         {
2160                         BIO_printf(bio_err, "No value provided for Subject Attribute %s, skipped\n", ne_types[i]);
2161                         continue;
2162                         }
2163
2164                 if (!X509_NAME_add_entry_by_NID(n, nid, chtype, (unsigned char*)ne_values[i], -1,-1,mval[i]))
2165                         goto error;
2166                 }
2167
2168         OPENSSL_free(ne_values);
2169         OPENSSL_free(ne_types);
2170         OPENSSL_free(buf);
2171         return n;
2172
2173 error:
2174         X509_NAME_free(n);
2175         if (ne_values)
2176                 OPENSSL_free(ne_values);
2177         if (ne_types)
2178                 OPENSSL_free(ne_types);
2179         if (buf)
2180                 OPENSSL_free(buf);
2181         return NULL;
2182 }
2183
2184 /* This code MUST COME AFTER anything that uses rename() */
2185 #ifdef OPENSSL_SYS_WIN32
2186 int WIN32_rename(const char *from, const char *to)
2187         {
2188 #ifndef OPENSSL_SYS_WINCE
2189         /* Windows rename gives an error if 'to' exists, so delete it
2190          * first and ignore file not found errror
2191          */
2192         if((remove(to) != 0) && (errno != ENOENT))
2193                 return -1;
2194 #undef rename
2195         return rename(from, to);
2196 #else
2197         /* convert strings to UNICODE */
2198         {
2199         BOOL result = FALSE;
2200         WCHAR* wfrom;
2201         WCHAR* wto;
2202         int i;
2203         wfrom = malloc((strlen(from)+1)*2);
2204         wto = malloc((strlen(to)+1)*2);
2205         if (wfrom != NULL && wto != NULL)
2206                 {
2207                 for (i=0; i<(int)strlen(from)+1; i++)
2208                         wfrom[i] = (short)from[i];
2209                 for (i=0; i<(int)strlen(to)+1; i++)
2210                         wto[i] = (short)to[i];
2211                 result = MoveFile(wfrom, wto);
2212                 }
2213         if (wfrom != NULL)
2214                 free(wfrom);
2215         if (wto != NULL)
2216                 free(wto);
2217         return result;
2218         }
2219 #endif
2220         }
2221 #endif
2222
2223 int args_verify(char ***pargs, int *pargc,
2224                         int *badarg, BIO *err, X509_VERIFY_PARAM **pm)
2225         {
2226         ASN1_OBJECT *otmp = NULL;
2227         unsigned long flags = 0;
2228         int i;
2229         int purpose = 0;
2230         char **oldargs = *pargs;
2231         char *arg = **pargs, *argn = (*pargs)[1];
2232         if (!strcmp(arg, "-policy"))
2233                 {
2234                 if (!argn)
2235                         *badarg = 1;
2236                 else
2237                         {
2238                         otmp = OBJ_txt2obj(argn, 0);
2239                         if (!otmp)
2240                                 {
2241                                 BIO_printf(err, "Invalid Policy \"%s\"\n",
2242                                                                         argn);
2243                                 *badarg = 1;
2244                                 }
2245                         }
2246                 (*pargs)++;
2247                 }
2248         else if (strcmp(arg,"-purpose") == 0)
2249                 {
2250                 X509_PURPOSE *xptmp;
2251                 if (!argn)
2252                         *badarg = 1;
2253                 else
2254                         {
2255                         i = X509_PURPOSE_get_by_sname(argn);
2256                         if(i < 0)
2257                                 {
2258                                 BIO_printf(err, "unrecognized purpose\n");
2259                                 *badarg = 1;
2260                                 }
2261                         else
2262                                 {
2263                                 xptmp = X509_PURPOSE_get0(i);
2264                                 purpose = X509_PURPOSE_get_id(xptmp);
2265                                 }
2266                         }
2267                 (*pargs)++;
2268                 }
2269         else if (!strcmp(arg, "-ignore_critical"))
2270                 flags |= X509_V_FLAG_IGNORE_CRITICAL;
2271         else if (!strcmp(arg, "-issuer_checks"))
2272                 flags |= X509_V_FLAG_CB_ISSUER_CHECK;
2273         else if (!strcmp(arg, "-crl_check"))
2274                 flags |=  X509_V_FLAG_CRL_CHECK;
2275         else if (!strcmp(arg, "-crl_check_all"))
2276                 flags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
2277         else if (!strcmp(arg, "-policy_check"))
2278                 flags |= X509_V_FLAG_POLICY_CHECK;
2279         else if (!strcmp(arg, "-explicit_policy"))
2280                 flags |= X509_V_FLAG_EXPLICIT_POLICY;
2281         else if (!strcmp(arg, "-x509_strict"))
2282                 flags |= X509_V_FLAG_X509_STRICT;
2283         else if (!strcmp(arg, "-policy_print"))
2284                 flags |= X509_V_FLAG_NOTIFY_POLICY;
2285         else
2286                 return 0;
2287
2288         if (*badarg)
2289                 {
2290                 if (*pm)
2291                         X509_VERIFY_PARAM_free(*pm);
2292                 *pm = NULL;
2293                 goto end;
2294                 }
2295
2296         if (!*pm && !(*pm = X509_VERIFY_PARAM_new()))
2297                 {
2298                 *badarg = 1;
2299                 goto end;
2300                 }
2301
2302         if (otmp)
2303                 X509_VERIFY_PARAM_add0_policy(*pm, otmp);
2304         if (flags)
2305                 X509_VERIFY_PARAM_set_flags(*pm, flags);
2306
2307         if (purpose)
2308                 X509_VERIFY_PARAM_set_purpose(*pm, purpose);
2309
2310         end:
2311
2312         (*pargs)++;
2313
2314         if (pargc)
2315                 *pargc -= *pargs - oldargs;
2316
2317         return 1;
2318
2319         }
2320
2321 static void nodes_print(BIO *out, const char *name,
2322         STACK_OF(X509_POLICY_NODE) *nodes)
2323         {
2324         X509_POLICY_NODE *node;
2325         int i;
2326         BIO_printf(out, "%s Policies:", name);
2327         if (nodes)
2328                 {
2329                 BIO_puts(out, "\n");
2330                 for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++)
2331                         {
2332                         node = sk_X509_POLICY_NODE_value(nodes, i);
2333                         X509_POLICY_NODE_print(out, node, 2);
2334                         }
2335                 }
2336         else
2337                 BIO_puts(out, " <empty>\n");
2338         }
2339
2340 void policies_print(BIO *out, X509_STORE_CTX *ctx)
2341         {
2342         X509_POLICY_TREE *tree;
2343         int explicit_policy;
2344         int free_out = 0;
2345         if (out == NULL)
2346                 {
2347                 out = BIO_new_fp(stderr, BIO_NOCLOSE);
2348                 free_out = 1;
2349                 }
2350         tree = X509_STORE_CTX_get0_policy_tree(ctx);
2351         explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
2352
2353         BIO_printf(out, "Require explicit Policy: %s\n",
2354                                 explicit_policy ? "True" : "False");
2355
2356         nodes_print(out, "Authority", X509_policy_tree_get0_policies(tree));
2357         nodes_print(out, "User", X509_policy_tree_get0_user_policies(tree));
2358         if (free_out)
2359                 BIO_free(out);
2360         }