PR: 940
[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 #include <openssl/rsa.h>
129 #include <openssl/bn.h>
130
131 #define NON_MAIN
132 #include "apps.h"
133 #undef NON_MAIN
134
135 typedef struct {
136         char *name;
137         unsigned long flag;
138         unsigned long mask;
139 } NAME_EX_TBL;
140
141 static UI_METHOD *ui_method = NULL;
142
143 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
144 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
145
146 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
147 /* Looks like this stuff is worth moving into separate function */
148 static EVP_PKEY *
149 load_netscape_key(BIO *err, BIO *key, const char *file,
150                 const char *key_descrip, int format);
151 #endif
152
153 int app_init(long mesgwin);
154 #ifdef undef /* never finished - probably never will be :-) */
155 int args_from_file(char *file, int *argc, char **argv[])
156         {
157         FILE *fp;
158         int num,i;
159         unsigned int len;
160         static char *buf=NULL;
161         static char **arg=NULL;
162         char *p;
163         struct stat stbuf;
164
165         if (stat(file,&stbuf) < 0) return(0);
166
167         fp=fopen(file,"r");
168         if (fp == NULL)
169                 return(0);
170
171         *argc=0;
172         *argv=NULL;
173
174         len=(unsigned int)stbuf.st_size;
175         if (buf != NULL) OPENSSL_free(buf);
176         buf=(char *)OPENSSL_malloc(len+1);
177         if (buf == NULL) return(0);
178
179         len=fread(buf,1,len,fp);
180         if (len <= 1) return(0);
181         buf[len]='\0';
182
183         i=0;
184         for (p=buf; *p; p++)
185                 if (*p == '\n') i++;
186         if (arg != NULL) OPENSSL_free(arg);
187         arg=(char **)OPENSSL_malloc(sizeof(char *)*(i*2));
188
189         *argv=arg;
190         num=0;
191         p=buf;
192         for (;;)
193                 {
194                 if (!*p) break;
195                 if (*p == '#') /* comment line */
196                         {
197                         while (*p && (*p != '\n')) p++;
198                         continue;
199                         }
200                 /* else we have a line */
201                 *(arg++)=p;
202                 num++;
203                 while (*p && ((*p != ' ') && (*p != '\t') && (*p != '\n')))
204                         p++;
205                 if (!*p) break;
206                 if (*p == '\n')
207                         {
208                         *(p++)='\0';
209                         continue;
210                         }
211                 /* else it is a tab or space */
212                 p++;
213                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
214                         p++;
215                 if (!*p) break;
216                 if (*p == '\n')
217                         {
218                         p++;
219                         continue;
220                         }
221                 *(arg++)=p++;
222                 num++;
223                 while (*p && (*p != '\n')) p++;
224                 if (!*p) break;
225                 /* else *p == '\n' */
226                 *(p++)='\0';
227                 }
228         *argc=num;
229         return(1);
230         }
231 #endif
232
233 int str2fmt(char *s)
234         {
235         if      ((*s == 'D') || (*s == 'd'))
236                 return(FORMAT_ASN1);
237         else if ((*s == 'T') || (*s == 't'))
238                 return(FORMAT_TEXT);
239         else if ((*s == 'P') || (*s == 'p'))
240                 return(FORMAT_PEM);
241         else if ((*s == 'N') || (*s == 'n'))
242                 return(FORMAT_NETSCAPE);
243         else if ((*s == 'S') || (*s == 's'))
244                 return(FORMAT_SMIME);
245         else if ((*s == '1')
246                 || (strcmp(s,"PKCS12") == 0) || (strcmp(s,"pkcs12") == 0)
247                 || (strcmp(s,"P12") == 0) || (strcmp(s,"p12") == 0))
248                 return(FORMAT_PKCS12);
249         else if ((*s == 'E') || (*s == 'e'))
250                 return(FORMAT_ENGINE);
251         else
252                 return(FORMAT_UNDEF);
253         }
254
255 #if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16) || defined(OPENSSL_SYS_NETWARE)
256 void program_name(char *in, char *out, int size)
257         {
258         int i,n;
259         char *p=NULL;
260
261         n=strlen(in);
262         /* find the last '/', '\' or ':' */
263         for (i=n-1; i>0; i--)
264                 {
265                 if ((in[i] == '/') || (in[i] == '\\') || (in[i] == ':'))
266                         {
267                         p= &(in[i+1]);
268                         break;
269                         }
270                 }
271         if (p == NULL)
272                 p=in;
273         n=strlen(p);
274
275 #if defined(OPENSSL_SYS_NETWARE)
276    /* strip off trailing .nlm if present. */
277    if ((n > 4) && (p[n-4] == '.') &&
278       ((p[n-3] == 'n') || (p[n-3] == 'N')) &&
279       ((p[n-2] == 'l') || (p[n-2] == 'L')) &&
280       ((p[n-1] == 'm') || (p[n-1] == 'M')))
281       n-=4;
282 #else
283         /* strip off trailing .exe if present. */
284         if ((n > 4) && (p[n-4] == '.') &&
285                 ((p[n-3] == 'e') || (p[n-3] == 'E')) &&
286                 ((p[n-2] == 'x') || (p[n-2] == 'X')) &&
287                 ((p[n-1] == 'e') || (p[n-1] == 'E')))
288                 n-=4;
289 #endif
290
291         if (n > size-1)
292                 n=size-1;
293
294         for (i=0; i<n; i++)
295                 {
296                 if ((p[i] >= 'A') && (p[i] <= 'Z'))
297                         out[i]=p[i]-'A'+'a';
298                 else
299                         out[i]=p[i];
300                 }
301         out[n]='\0';
302         }
303 #else
304 #ifdef OPENSSL_SYS_VMS
305 void program_name(char *in, char *out, int size)
306         {
307         char *p=in, *q;
308         char *chars=":]>";
309
310         while(*chars != '\0')
311                 {
312                 q=strrchr(p,*chars);
313                 if (q > p)
314                         p = q + 1;
315                 chars++;
316                 }
317
318         q=strrchr(p,'.');
319         if (q == NULL)
320                 q = p + strlen(p);
321         strncpy(out,p,size-1);
322         if (q-p >= size)
323                 {
324                 out[size-1]='\0';
325                 }
326         else
327                 {
328                 out[q-p]='\0';
329                 }
330         }
331 #else
332 void program_name(char *in, char *out, int size)
333         {
334         char *p;
335
336         p=strrchr(in,'/');
337         if (p != NULL)
338                 p++;
339         else
340                 p=in;
341         BUF_strlcpy(out,p,size);
342         }
343 #endif
344 #endif
345
346 int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
347         {
348         int num,len,i;
349         char *p;
350
351         *argc=0;
352         *argv=NULL;
353
354         len=strlen(buf);
355         i=0;
356         if (arg->count == 0)
357                 {
358                 arg->count=20;
359                 arg->data=(char **)OPENSSL_malloc(sizeof(char *)*arg->count);
360                 }
361         for (i=0; i<arg->count; i++)
362                 arg->data[i]=NULL;
363
364         num=0;
365         p=buf;
366         for (;;)
367                 {
368                 /* first scan over white space */
369                 if (!*p) break;
370                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
371                         p++;
372                 if (!*p) break;
373
374                 /* The start of something good :-) */
375                 if (num >= arg->count)
376                         {
377                         arg->count+=20;
378                         arg->data=(char **)OPENSSL_realloc(arg->data,
379                                 sizeof(char *)*arg->count);
380                         if (argc == 0) return(0);
381                         }
382                 arg->data[num++]=p;
383
384                 /* now look for the end of this */
385                 if ((*p == '\'') || (*p == '\"')) /* scan for closing quote */
386                         {
387                         i= *(p++);
388                         arg->data[num-1]++; /* jump over quote */
389                         while (*p && (*p != i))
390                                 p++;
391                         *p='\0';
392                         }
393                 else
394                         {
395                         while (*p && ((*p != ' ') &&
396                                 (*p != '\t') && (*p != '\n')))
397                                 p++;
398
399                         if (*p == '\0')
400                                 p--;
401                         else
402                                 *p='\0';
403                         }
404                 p++;
405                 }
406         *argc=num;
407         *argv=arg->data;
408         return(1);
409         }
410
411 #ifndef APP_INIT
412 int app_init(long mesgwin)
413         {
414         return(1);
415         }
416 #endif
417
418
419 int dump_cert_text (BIO *out, X509 *x)
420 {
421         char *p;
422
423         p=X509_NAME_oneline(X509_get_subject_name(x),NULL,0);
424         BIO_puts(out,"subject=");
425         BIO_puts(out,p);
426         OPENSSL_free(p);
427
428         p=X509_NAME_oneline(X509_get_issuer_name(x),NULL,0);
429         BIO_puts(out,"\nissuer=");
430         BIO_puts(out,p);
431         BIO_puts(out,"\n");
432         OPENSSL_free(p);
433
434         return 0;
435 }
436
437 static int ui_open(UI *ui)
438         {
439         return UI_method_get_opener(UI_OpenSSL())(ui);
440         }
441 static int ui_read(UI *ui, UI_STRING *uis)
442         {
443         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
444                 && UI_get0_user_data(ui))
445                 {
446                 switch(UI_get_string_type(uis))
447                         {
448                 case UIT_PROMPT:
449                 case UIT_VERIFY:
450                         {
451                         const char *password =
452                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
453                         if (password && password[0] != '\0')
454                                 {
455                                 UI_set_result(ui, uis, password);
456                                 return 1;
457                                 }
458                         }
459                 default:
460                         break;
461                         }
462                 }
463         return UI_method_get_reader(UI_OpenSSL())(ui, uis);
464         }
465 static int ui_write(UI *ui, UI_STRING *uis)
466         {
467         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
468                 && UI_get0_user_data(ui))
469                 {
470                 switch(UI_get_string_type(uis))
471                         {
472                 case UIT_PROMPT:
473                 case UIT_VERIFY:
474                         {
475                         const char *password =
476                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
477                         if (password && password[0] != '\0')
478                                 return 1;
479                         }
480                 default:
481                         break;
482                         }
483                 }
484         return UI_method_get_writer(UI_OpenSSL())(ui, uis);
485         }
486 static int ui_close(UI *ui)
487         {
488         return UI_method_get_closer(UI_OpenSSL())(ui);
489         }
490 int setup_ui_method(void)
491         {
492         ui_method = UI_create_method("OpenSSL application user interface");
493         UI_method_set_opener(ui_method, ui_open);
494         UI_method_set_reader(ui_method, ui_read);
495         UI_method_set_writer(ui_method, ui_write);
496         UI_method_set_closer(ui_method, ui_close);
497         return 0;
498         }
499 void destroy_ui_method(void)
500         {
501         if(ui_method)
502                 {
503                 UI_destroy_method(ui_method);
504                 ui_method = NULL;
505                 }
506         }
507 int password_callback(char *buf, int bufsiz, int verify,
508         PW_CB_DATA *cb_tmp)
509         {
510         UI *ui = NULL;
511         int res = 0;
512         const char *prompt_info = NULL;
513         const char *password = NULL;
514         PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp;
515
516         if (cb_data)
517                 {
518                 if (cb_data->password)
519                         password = cb_data->password;
520                 if (cb_data->prompt_info)
521                         prompt_info = cb_data->prompt_info;
522                 }
523
524         if (password)
525                 {
526                 res = strlen(password);
527                 if (res > bufsiz)
528                         res = bufsiz;
529                 memcpy(buf, password, res);
530                 return res;
531                 }
532
533         ui = UI_new_method(ui_method);
534         if (ui)
535                 {
536                 int ok = 0;
537                 char *buff = NULL;
538                 int ui_flags = 0;
539                 char *prompt = NULL;
540
541                 prompt = UI_construct_prompt(ui, "pass phrase",
542                         prompt_info);
543
544                 ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
545                 UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
546
547                 if (ok >= 0)
548                         ok = UI_add_input_string(ui,prompt,ui_flags,buf,
549                                 PW_MIN_LENGTH,BUFSIZ-1);
550                 if (ok >= 0 && verify)
551                         {
552                         buff = (char *)OPENSSL_malloc(bufsiz);
553                         ok = UI_add_verify_string(ui,prompt,ui_flags,buff,
554                                 PW_MIN_LENGTH,BUFSIZ-1, buf);
555                         }
556                 if (ok >= 0)
557                         do
558                                 {
559                                 ok = UI_process(ui);
560                                 }
561                         while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
562
563                 if (buff)
564                         {
565                         OPENSSL_cleanse(buff,(unsigned int)bufsiz);
566                         OPENSSL_free(buff);
567                         }
568
569                 if (ok >= 0)
570                         res = strlen(buf);
571                 if (ok == -1)
572                         {
573                         BIO_printf(bio_err, "User interface error\n");
574                         ERR_print_errors(bio_err);
575                         OPENSSL_cleanse(buf,(unsigned int)bufsiz);
576                         res = 0;
577                         }
578                 if (ok == -2)
579                         {
580                         BIO_printf(bio_err,"aborted!\n");
581                         OPENSSL_cleanse(buf,(unsigned int)bufsiz);
582                         res = 0;
583                         }
584                 UI_free(ui);
585                 OPENSSL_free(prompt);
586                 }
587         return res;
588         }
589
590 static char *app_get_pass(BIO *err, char *arg, int keepbio);
591
592 int app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2)
593 {
594         int same;
595         if(!arg2 || !arg1 || strcmp(arg1, arg2)) same = 0;
596         else same = 1;
597         if(arg1) {
598                 *pass1 = app_get_pass(err, arg1, same);
599                 if(!*pass1) return 0;
600         } else if(pass1) *pass1 = NULL;
601         if(arg2) {
602                 *pass2 = app_get_pass(err, arg2, same ? 2 : 0);
603                 if(!*pass2) return 0;
604         } else if(pass2) *pass2 = NULL;
605         return 1;
606 }
607
608 static char *app_get_pass(BIO *err, char *arg, int keepbio)
609 {
610         char *tmp, tpass[APP_PASS_LEN];
611         static BIO *pwdbio = NULL;
612         int i;
613         if(!strncmp(arg, "pass:", 5)) return BUF_strdup(arg + 5);
614         if(!strncmp(arg, "env:", 4)) {
615                 tmp = getenv(arg + 4);
616                 if(!tmp) {
617                         BIO_printf(err, "Can't read environment variable %s\n", arg + 4);
618                         return NULL;
619                 }
620                 return BUF_strdup(tmp);
621         }
622         if(!keepbio || !pwdbio) {
623                 if(!strncmp(arg, "file:", 5)) {
624                         pwdbio = BIO_new_file(arg + 5, "r");
625                         if(!pwdbio) {
626                                 BIO_printf(err, "Can't open file %s\n", arg + 5);
627                                 return NULL;
628                         }
629                 } else if(!strncmp(arg, "fd:", 3)) {
630                         BIO *btmp;
631                         i = atoi(arg + 3);
632                         if(i >= 0) pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
633                         if((i < 0) || !pwdbio) {
634                                 BIO_printf(err, "Can't access file descriptor %s\n", arg + 3);
635                                 return NULL;
636                         }
637                         /* Can't do BIO_gets on an fd BIO so add a buffering BIO */
638                         btmp = BIO_new(BIO_f_buffer());
639                         pwdbio = BIO_push(btmp, pwdbio);
640                 } else if(!strcmp(arg, "stdin")) {
641                         pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE);
642                         if(!pwdbio) {
643                                 BIO_printf(err, "Can't open BIO for stdin\n");
644                                 return NULL;
645                         }
646                 } else {
647                         BIO_printf(err, "Invalid password argument \"%s\"\n", arg);
648                         return NULL;
649                 }
650         }
651         i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
652         if(keepbio != 1) {
653                 BIO_free_all(pwdbio);
654                 pwdbio = NULL;
655         }
656         if(i <= 0) {
657                 BIO_printf(err, "Error reading password from BIO\n");
658                 return NULL;
659         }
660         tmp = strchr(tpass, '\n');
661         if(tmp) *tmp = 0;
662         return BUF_strdup(tpass);
663 }
664
665 int add_oid_section(BIO *err, CONF *conf)
666 {       
667         char *p;
668         STACK_OF(CONF_VALUE) *sktmp;
669         CONF_VALUE *cnf;
670         int i;
671         if(!(p=NCONF_get_string(conf,NULL,"oid_section")))
672                 {
673                 ERR_clear_error();
674                 return 1;
675                 }
676         if(!(sktmp = NCONF_get_section(conf, p))) {
677                 BIO_printf(err, "problem loading oid section %s\n", p);
678                 return 0;
679         }
680         for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
681                 cnf = sk_CONF_VALUE_value(sktmp, i);
682                 if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
683                         BIO_printf(err, "problem creating object %s=%s\n",
684                                                          cnf->name, cnf->value);
685                         return 0;
686                 }
687         }
688         return 1;
689 }
690
691 X509 *load_cert(BIO *err, const char *file, int format,
692         const char *pass, ENGINE *e, const char *cert_descrip)
693         {
694         ASN1_HEADER *ah=NULL;
695         BUF_MEM *buf=NULL;
696         X509 *x=NULL;
697         BIO *cert;
698
699         if ((cert=BIO_new(BIO_s_file())) == NULL)
700                 {
701                 ERR_print_errors(err);
702                 goto end;
703                 }
704
705         if (file == NULL)
706                 {
707                 setvbuf(stdin, NULL, _IONBF, 0);
708                 BIO_set_fp(cert,stdin,BIO_NOCLOSE);
709                 }
710         else
711                 {
712                 if (BIO_read_filename(cert,file) <= 0)
713                         {
714                         BIO_printf(err, "Error opening %s %s\n",
715                                 cert_descrip, file);
716                         ERR_print_errors(err);
717                         goto end;
718                         }
719                 }
720
721         if      (format == FORMAT_ASN1)
722                 x=d2i_X509_bio(cert,NULL);
723         else if (format == FORMAT_NETSCAPE)
724                 {
725                 const unsigned char *p,*op;
726                 int size=0,i;
727
728                 /* We sort of have to do it this way because it is sort of nice
729                  * to read the header first and check it, then
730                  * try to read the certificate */
731                 buf=BUF_MEM_new();
732                 for (;;)
733                         {
734                         if ((buf == NULL) || (!BUF_MEM_grow(buf,size+1024*10)))
735                                 goto end;
736                         i=BIO_read(cert,&(buf->data[size]),1024*10);
737                         size+=i;
738                         if (i == 0) break;
739                         if (i < 0)
740                                 {
741                                 perror("reading certificate");
742                                 goto end;
743                                 }
744                         }
745                 p=(unsigned char *)buf->data;
746                 op=p;
747
748                 /* First load the header */
749                 if ((ah=d2i_ASN1_HEADER(NULL,&p,(long)size)) == NULL)
750                         goto end;
751                 if ((ah->header == NULL) || (ah->header->data == NULL) ||
752                         (strncmp(NETSCAPE_CERT_HDR,(char *)ah->header->data,
753                         ah->header->length) != 0))
754                         {
755                         BIO_printf(err,"Error reading header on certificate\n");
756                         goto end;
757                         }
758                 /* header is ok, so now read the object */
759                 p=op;
760                 ah->meth=X509_asn1_meth();
761                 if ((ah=d2i_ASN1_HEADER(&ah,&p,(long)size)) == NULL)
762                         goto end;
763                 x=(X509 *)ah->data;
764                 ah->data=NULL;
765                 }
766         else if (format == FORMAT_PEM)
767                 x=PEM_read_bio_X509_AUX(cert,NULL,
768                         (pem_password_cb *)password_callback, NULL);
769         else if (format == FORMAT_PKCS12)
770                 {
771                 PKCS12 *p12 = d2i_PKCS12_bio(cert, NULL);
772
773                 PKCS12_parse(p12, NULL, NULL, &x, NULL);
774                 PKCS12_free(p12);
775                 p12 = NULL;
776                 }
777         else    {
778                 BIO_printf(err,"bad input format specified for %s\n",
779                         cert_descrip);
780                 goto end;
781                 }
782 end:
783         if (x == NULL)
784                 {
785                 BIO_printf(err,"unable to load certificate\n");
786                 ERR_print_errors(err);
787                 }
788         if (ah != NULL) ASN1_HEADER_free(ah);
789         if (cert != NULL) BIO_free(cert);
790         if (buf != NULL) BUF_MEM_free(buf);
791         return(x);
792         }
793
794 EVP_PKEY *load_key(BIO *err, const char *file, int format, int maybe_stdin,
795         const char *pass, ENGINE *e, const char *key_descrip)
796         {
797         BIO *key=NULL;
798         EVP_PKEY *pkey=NULL;
799         PW_CB_DATA cb_data;
800
801         cb_data.password = pass;
802         cb_data.prompt_info = file;
803
804         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
805                 {
806                 BIO_printf(err,"no keyfile specified\n");
807                 goto end;
808                 }
809 #ifndef OPENSSL_NO_ENGINE
810         if (format == FORMAT_ENGINE)
811                 {
812                 if (!e)
813                         BIO_printf(bio_err,"no engine specified\n");
814                 else
815                         pkey = ENGINE_load_private_key(e, file,
816                                 ui_method, &cb_data);
817                 goto end;
818                 }
819 #endif
820         key=BIO_new(BIO_s_file());
821         if (key == NULL)
822                 {
823                 ERR_print_errors(err);
824                 goto end;
825                 }
826         if (file == NULL && maybe_stdin)
827                 {
828                 setvbuf(stdin, NULL, _IONBF, 0);
829                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
830                 }
831         else
832                 if (BIO_read_filename(key,file) <= 0)
833                         {
834                         BIO_printf(err, "Error opening %s %s\n",
835                                 key_descrip, file);
836                         ERR_print_errors(err);
837                         goto end;
838                         }
839         if (format == FORMAT_ASN1)
840                 {
841                 pkey=d2i_PrivateKey_bio(key, NULL);
842                 }
843         else if (format == FORMAT_PEM)
844                 {
845                 pkey=PEM_read_bio_PrivateKey(key,NULL,
846                         (pem_password_cb *)password_callback, &cb_data);
847                 }
848 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
849         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
850                 pkey = load_netscape_key(err, key, file, key_descrip, format);
851 #endif
852         else if (format == FORMAT_PKCS12)
853                 {
854                 PKCS12 *p12 = d2i_PKCS12_bio(key, NULL);
855
856                 PKCS12_parse(p12, pass, &pkey, NULL, NULL);
857                 PKCS12_free(p12);
858                 p12 = NULL;
859                 }
860         else
861                 {
862                 BIO_printf(err,"bad input format specified for key file\n");
863                 goto end;
864                 }
865  end:
866         if (key != NULL) BIO_free(key);
867         if (pkey == NULL)
868                 BIO_printf(err,"unable to load %s\n", key_descrip);
869         return(pkey);
870         }
871
872 EVP_PKEY *load_pubkey(BIO *err, const char *file, int format, int maybe_stdin,
873         const char *pass, ENGINE *e, const char *key_descrip)
874         {
875         BIO *key=NULL;
876         EVP_PKEY *pkey=NULL;
877         PW_CB_DATA cb_data;
878
879         cb_data.password = pass;
880         cb_data.prompt_info = file;
881
882         if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE))
883                 {
884                 BIO_printf(err,"no keyfile specified\n");
885                 goto end;
886                 }
887 #ifndef OPENSSL_NO_ENGINE
888         if (format == FORMAT_ENGINE)
889                 {
890                 if (!e)
891                         BIO_printf(bio_err,"no engine specified\n");
892                 else
893                         pkey = ENGINE_load_public_key(e, file,
894                                 ui_method, &cb_data);
895                 goto end;
896                 }
897 #endif
898         key=BIO_new(BIO_s_file());
899         if (key == NULL)
900                 {
901                 ERR_print_errors(err);
902                 goto end;
903                 }
904         if (file == NULL && maybe_stdin)
905                 {
906                 setvbuf(stdin, NULL, _IONBF, 0);
907                 BIO_set_fp(key,stdin,BIO_NOCLOSE);
908                 }
909         else
910                 if (BIO_read_filename(key,file) <= 0)
911                         {
912                         BIO_printf(err, "Error opening %s %s\n",
913                                 key_descrip, file);
914                         ERR_print_errors(err);
915                         goto end;
916                 }
917         if (format == FORMAT_ASN1)
918                 {
919                 pkey=d2i_PUBKEY_bio(key, NULL);
920                 }
921         else if (format == FORMAT_PEM)
922                 {
923                 pkey=PEM_read_bio_PUBKEY(key,NULL,
924                         (pem_password_cb *)password_callback, &cb_data);
925                 }
926 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
927         else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
928                 pkey = load_netscape_key(err, key, file, key_descrip, format);
929 #endif
930         else
931                 {
932                 BIO_printf(err,"bad input format specified for key file\n");
933                 goto end;
934                 }
935  end:
936         if (key != NULL) BIO_free(key);
937         if (pkey == NULL)
938                 BIO_printf(err,"unable to load %s\n", key_descrip);
939         return(pkey);
940         }
941
942 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
943 static EVP_PKEY *
944 load_netscape_key(BIO *err, BIO *key, const char *file,
945                 const char *key_descrip, int format)
946         {
947         EVP_PKEY *pkey;
948         BUF_MEM *buf;
949         RSA     *rsa;
950         const unsigned char *p;
951         int size, i;
952
953         buf=BUF_MEM_new();
954         pkey = EVP_PKEY_new();
955         size = 0;
956         if (buf == NULL || pkey == NULL)
957                 goto error;
958         for (;;)
959                 {
960                 if (!BUF_MEM_grow_clean(buf,size+1024*10))
961                         goto error;
962                 i = BIO_read(key, &(buf->data[size]), 1024*10);
963                 size += i;
964                 if (i == 0)
965                         break;
966                 if (i < 0)
967                         {
968                                 BIO_printf(err, "Error reading %s %s",
969                                         key_descrip, file);
970                                 goto error;
971                         }
972                 }
973         p=(unsigned char *)buf->data;
974         rsa = d2i_RSA_NET(NULL,&p,(long)size,NULL,
975                 (format == FORMAT_IISSGC ? 1 : 0));
976         if (rsa == NULL)
977                 goto error;
978         BUF_MEM_free(buf);
979         EVP_PKEY_set1_RSA(pkey, rsa);
980         return pkey;
981 error:
982         BUF_MEM_free(buf);
983         EVP_PKEY_free(pkey);
984         return NULL;
985         }
986 #endif /* ndef OPENSSL_NO_RC4 */
987
988 STACK_OF(X509) *load_certs(BIO *err, const char *file, int format,
989         const char *pass, ENGINE *e, const char *cert_descrip)
990         {
991         BIO *certs;
992         int i;
993         STACK_OF(X509) *othercerts = NULL;
994         STACK_OF(X509_INFO) *allcerts = NULL;
995         X509_INFO *xi;
996         PW_CB_DATA cb_data;
997
998         cb_data.password = pass;
999         cb_data.prompt_info = file;
1000
1001         if((certs = BIO_new(BIO_s_file())) == NULL)
1002                 {
1003                 ERR_print_errors(err);
1004                 goto end;
1005                 }
1006
1007         if (file == NULL)
1008                 BIO_set_fp(certs,stdin,BIO_NOCLOSE);
1009         else
1010                 {
1011                 if (BIO_read_filename(certs,file) <= 0)
1012                         {
1013                         BIO_printf(err, "Error opening %s %s\n",
1014                                 cert_descrip, file);
1015                         ERR_print_errors(err);
1016                         goto end;
1017                         }
1018                 }
1019
1020         if      (format == FORMAT_PEM)
1021                 {
1022                 othercerts = sk_X509_new_null();
1023                 if(!othercerts)
1024                         {
1025                         sk_X509_free(othercerts);
1026                         othercerts = NULL;
1027                         goto end;
1028                         }
1029                 allcerts = PEM_X509_INFO_read_bio(certs, NULL,
1030                                 (pem_password_cb *)password_callback, &cb_data);
1031                 for(i = 0; i < sk_X509_INFO_num(allcerts); i++)
1032                         {
1033                         xi = sk_X509_INFO_value (allcerts, i);
1034                         if (xi->x509)
1035                                 {
1036                                 sk_X509_push(othercerts, xi->x509);
1037                                 xi->x509 = NULL;
1038                                 }
1039                         }
1040                 goto end;
1041                 }
1042         else    {
1043                 BIO_printf(err,"bad input format specified for %s\n",
1044                         cert_descrip);
1045                 goto end;
1046                 }
1047 end:
1048         if (othercerts == NULL)
1049                 {
1050                 BIO_printf(err,"unable to load certificates\n");
1051                 ERR_print_errors(err);
1052                 }
1053         if (allcerts) sk_X509_INFO_pop_free(allcerts, X509_INFO_free);
1054         if (certs != NULL) BIO_free(certs);
1055         return(othercerts);
1056         }
1057
1058
1059 #define X509V3_EXT_UNKNOWN_MASK         (0xfL << 16)
1060 /* Return error for unknown extensions */
1061 #define X509V3_EXT_DEFAULT              0
1062 /* Print error for unknown extensions */
1063 #define X509V3_EXT_ERROR_UNKNOWN        (1L << 16)
1064 /* ASN1 parse unknown extensions */
1065 #define X509V3_EXT_PARSE_UNKNOWN        (2L << 16)
1066 /* BIO_dump unknown extensions */
1067 #define X509V3_EXT_DUMP_UNKNOWN         (3L << 16)
1068
1069 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1070                          X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1071
1072 int set_cert_ex(unsigned long *flags, const char *arg)
1073 {
1074         static const NAME_EX_TBL cert_tbl[] = {
1075                 { "compatible", X509_FLAG_COMPAT, 0xffffffffl},
1076                 { "ca_default", X509_FLAG_CA, 0xffffffffl},
1077                 { "no_header", X509_FLAG_NO_HEADER, 0},
1078                 { "no_version", X509_FLAG_NO_VERSION, 0},
1079                 { "no_serial", X509_FLAG_NO_SERIAL, 0},
1080                 { "no_signame", X509_FLAG_NO_SIGNAME, 0},
1081                 { "no_validity", X509_FLAG_NO_VALIDITY, 0},
1082                 { "no_subject", X509_FLAG_NO_SUBJECT, 0},
1083                 { "no_issuer", X509_FLAG_NO_ISSUER, 0},
1084                 { "no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1085                 { "no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1086                 { "no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1087                 { "no_aux", X509_FLAG_NO_AUX, 0},
1088                 { "no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1089                 { "ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1090                 { "ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1091                 { "ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1092                 { "ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1093                 { NULL, 0, 0}
1094         };
1095         return set_multi_opts(flags, arg, cert_tbl);
1096 }
1097
1098 int set_name_ex(unsigned long *flags, const char *arg)
1099 {
1100         static const NAME_EX_TBL ex_tbl[] = {
1101                 { "esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1102                 { "esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1103                 { "esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1104                 { "use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1105                 { "utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1106                 { "ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1107                 { "show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1108                 { "dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1109                 { "dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1110                 { "dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1111                 { "compat", XN_FLAG_COMPAT, 0xffffffffL},
1112                 { "sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1113                 { "sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1114                 { "sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1115                 { "sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1116                 { "dn_rev", XN_FLAG_DN_REV, 0},
1117                 { "nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1118                 { "sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1119                 { "lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1120                 { "align", XN_FLAG_FN_ALIGN, 0},
1121                 { "oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1122                 { "space_eq", XN_FLAG_SPC_EQ, 0},
1123                 { "dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1124                 { "RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1125                 { "oneline", XN_FLAG_ONELINE, 0xffffffffL},
1126                 { "multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1127                 { "ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1128                 { NULL, 0, 0}
1129         };
1130         return set_multi_opts(flags, arg, ex_tbl);
1131 }
1132
1133 int set_ext_copy(int *copy_type, const char *arg)
1134 {
1135         if (!strcasecmp(arg, "none"))
1136                 *copy_type = EXT_COPY_NONE;
1137         else if (!strcasecmp(arg, "copy"))
1138                 *copy_type = EXT_COPY_ADD;
1139         else if (!strcasecmp(arg, "copyall"))
1140                 *copy_type = EXT_COPY_ALL;
1141         else
1142                 return 0;
1143         return 1;
1144 }
1145
1146 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1147 {
1148         STACK_OF(X509_EXTENSION) *exts = NULL;
1149         X509_EXTENSION *ext, *tmpext;
1150         ASN1_OBJECT *obj;
1151         int i, idx, ret = 0;
1152         if (!x || !req || (copy_type == EXT_COPY_NONE))
1153                 return 1;
1154         exts = X509_REQ_get_extensions(req);
1155
1156         for(i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1157                 ext = sk_X509_EXTENSION_value(exts, i);
1158                 obj = X509_EXTENSION_get_object(ext);
1159                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1160                 /* Does extension exist? */
1161                 if (idx != -1) {
1162                         /* If normal copy don't override existing extension */
1163                         if (copy_type == EXT_COPY_ADD)
1164                                 continue;
1165                         /* Delete all extensions of same type */
1166                         do {
1167                                 tmpext = X509_get_ext(x, idx);
1168                                 X509_delete_ext(x, idx);
1169                                 X509_EXTENSION_free(tmpext);
1170                                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1171                         } while (idx != -1);
1172                 }
1173                 if (!X509_add_ext(x, ext, -1))
1174                         goto end;
1175         }
1176
1177         ret = 1;
1178
1179         end:
1180
1181         sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1182
1183         return ret;
1184 }
1185                 
1186                 
1187                         
1188
1189 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1190 {
1191         STACK_OF(CONF_VALUE) *vals;
1192         CONF_VALUE *val;
1193         int i, ret = 1;
1194         if(!arg) return 0;
1195         vals = X509V3_parse_list(arg);
1196         for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1197                 val = sk_CONF_VALUE_value(vals, i);
1198                 if (!set_table_opts(flags, val->name, in_tbl))
1199                         ret = 0;
1200         }
1201         sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1202         return ret;
1203 }
1204
1205 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1206 {
1207         char c;
1208         const NAME_EX_TBL *ptbl;
1209         c = arg[0];
1210
1211         if(c == '-') {
1212                 c = 0;
1213                 arg++;
1214         } else if (c == '+') {
1215                 c = 1;
1216                 arg++;
1217         } else c = 1;
1218
1219         for(ptbl = in_tbl; ptbl->name; ptbl++) {
1220                 if(!strcasecmp(arg, ptbl->name)) {
1221                         *flags &= ~ptbl->mask;
1222                         if(c) *flags |= ptbl->flag;
1223                         else *flags &= ~ptbl->flag;
1224                         return 1;
1225                 }
1226         }
1227         return 0;
1228 }
1229
1230 void print_name(BIO *out, char *title, X509_NAME *nm, unsigned long lflags)
1231 {
1232         char *buf;
1233         char mline = 0;
1234         int indent = 0;
1235
1236         if(title) BIO_puts(out, title);
1237         if((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1238                 mline = 1;
1239                 indent = 4;
1240         }
1241         if(lflags == XN_FLAG_COMPAT) {
1242                 buf = X509_NAME_oneline(nm, 0, 0);
1243                 BIO_puts(out, buf);
1244                 BIO_puts(out, "\n");
1245                 OPENSSL_free(buf);
1246         } else {
1247                 if(mline) BIO_puts(out, "\n");
1248                 X509_NAME_print_ex(out, nm, indent, lflags);
1249                 BIO_puts(out, "\n");
1250         }
1251 }
1252
1253 X509_STORE *setup_verify(BIO *bp, char *CAfile, char *CApath)
1254 {
1255         X509_STORE *store;
1256         X509_LOOKUP *lookup;
1257         if(!(store = X509_STORE_new())) goto end;
1258         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file());
1259         if (lookup == NULL) goto end;
1260         if (CAfile) {
1261                 if(!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) {
1262                         BIO_printf(bp, "Error loading file %s\n", CAfile);
1263                         goto end;
1264                 }
1265         } else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
1266                 
1267         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir());
1268         if (lookup == NULL) goto end;
1269         if (CApath) {
1270                 if(!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) {
1271                         BIO_printf(bp, "Error loading directory %s\n", CApath);
1272                         goto end;
1273                 }
1274         } else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
1275
1276         ERR_clear_error();
1277         return store;
1278         end:
1279         X509_STORE_free(store);
1280         return NULL;
1281 }
1282
1283 #ifndef OPENSSL_NO_ENGINE
1284 /* Try to load an engine in a shareable library */
1285 static ENGINE *try_load_engine(BIO *err, const char *engine, int debug)
1286         {
1287         ENGINE *e = ENGINE_by_id("dynamic");
1288         if (e)
1289                 {
1290                 if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
1291                         || !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0))
1292                         {
1293                         ENGINE_free(e);
1294                         e = NULL;
1295                         }
1296                 }
1297         return e;
1298         }
1299
1300 ENGINE *setup_engine(BIO *err, const char *engine, int debug)
1301         {
1302         ENGINE *e = NULL;
1303
1304         if (engine)
1305                 {
1306                 if(strcmp(engine, "auto") == 0)
1307                         {
1308                         BIO_printf(err,"enabling auto ENGINE support\n");
1309                         ENGINE_register_all_complete();
1310                         return NULL;
1311                         }
1312                 if((e = ENGINE_by_id(engine)) == NULL
1313                         && (e = try_load_engine(err, engine, debug)) == NULL)
1314                         {
1315                         BIO_printf(err,"invalid engine \"%s\"\n", engine);
1316                         ERR_print_errors(err);
1317                         return NULL;
1318                         }
1319                 if (debug)
1320                         {
1321                         ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM,
1322                                 0, err, 0);
1323                         }
1324                 ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
1325                 if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
1326                         {
1327                         BIO_printf(err,"can't use that engine\n");
1328                         ERR_print_errors(err);
1329                         ENGINE_free(e);
1330                         return NULL;
1331                         }
1332
1333                 BIO_printf(err,"engine \"%s\" set.\n", ENGINE_get_id(e));
1334
1335                 /* Free our "structural" reference. */
1336                 ENGINE_free(e);
1337                 }
1338         return e;
1339         }
1340 #endif
1341
1342 int load_config(BIO *err, CONF *cnf)
1343         {
1344         if (!cnf)
1345                 cnf = config;
1346         if (!cnf)
1347                 return 1;
1348
1349         OPENSSL_load_builtin_modules();
1350
1351         if (CONF_modules_load(cnf, NULL, 0) <= 0)
1352                 {
1353                 BIO_printf(err, "Error configuring OpenSSL\n");
1354                 ERR_print_errors(err);
1355                 return 0;
1356                 }
1357         return 1;
1358         }
1359
1360 char *make_config_name()
1361         {
1362         const char *t=X509_get_default_cert_area();
1363         size_t len;
1364         char *p;
1365
1366         len=strlen(t)+strlen(OPENSSL_CONF)+2;
1367         p=OPENSSL_malloc(len);
1368         BUF_strlcpy(p,t,len);
1369 #ifndef OPENSSL_SYS_VMS
1370         BUF_strlcat(p,"/",len);
1371 #endif
1372         BUF_strlcat(p,OPENSSL_CONF,len);
1373
1374         return p;
1375         }
1376
1377 static unsigned long index_serial_hash(const char **a)
1378         {
1379         const char *n;
1380
1381         n=a[DB_serial];
1382         while (*n == '0') n++;
1383         return(lh_strhash(n));
1384         }
1385
1386 static int index_serial_cmp(const char **a, const char **b)
1387         {
1388         const char *aa,*bb;
1389
1390         for (aa=a[DB_serial]; *aa == '0'; aa++);
1391         for (bb=b[DB_serial]; *bb == '0'; bb++);
1392         return(strcmp(aa,bb));
1393         }
1394
1395 static int index_name_qual(char **a)
1396         { return(a[0][0] == 'V'); }
1397
1398 static unsigned long index_name_hash(const char **a)
1399         { return(lh_strhash(a[DB_name])); }
1400
1401 int index_name_cmp(const char **a, const char **b)
1402         { return(strcmp(a[DB_name],
1403              b[DB_name])); }
1404
1405 static IMPLEMENT_LHASH_HASH_FN(index_serial_hash,const char **)
1406 static IMPLEMENT_LHASH_COMP_FN(index_serial_cmp,const char **)
1407 static IMPLEMENT_LHASH_HASH_FN(index_name_hash,const char **)
1408 static IMPLEMENT_LHASH_COMP_FN(index_name_cmp,const char **)
1409
1410 #undef BSIZE
1411 #define BSIZE 256
1412
1413 BIGNUM *load_serial(char *serialfile, int create, ASN1_INTEGER **retai)
1414         {
1415         BIO *in=NULL;
1416         BIGNUM *ret=NULL;
1417         MS_STATIC char buf[1024];
1418         ASN1_INTEGER *ai=NULL;
1419
1420         ai=ASN1_INTEGER_new();
1421         if (ai == NULL) goto err;
1422
1423         if ((in=BIO_new(BIO_s_file())) == NULL)
1424                 {
1425                 ERR_print_errors(bio_err);
1426                 goto err;
1427                 }
1428
1429         if (BIO_read_filename(in,serialfile) <= 0)
1430                 {
1431                 if (!create)
1432                         {
1433                         perror(serialfile);
1434                         goto err;
1435                         }
1436                 else
1437                         {
1438                         ret=BN_new();
1439                         if (ret == NULL || !rand_serial(ret, ai))
1440                                 BIO_printf(bio_err, "Out of memory\n");
1441                         }
1442                 }
1443         else
1444                 {
1445                 if (!a2i_ASN1_INTEGER(in,ai,buf,1024))
1446                         {
1447                         BIO_printf(bio_err,"unable to load number from %s\n",
1448                                 serialfile);
1449                         goto err;
1450                         }
1451                 ret=ASN1_INTEGER_to_BN(ai,NULL);
1452                 if (ret == NULL)
1453                         {
1454                         BIO_printf(bio_err,"error converting number from bin to BIGNUM\n");
1455                         goto err;
1456                         }
1457                 }
1458
1459         if (ret && retai)
1460                 {
1461                 *retai = ai;
1462                 ai = NULL;
1463                 }
1464  err:
1465         if (in != NULL) BIO_free(in);
1466         if (ai != NULL) ASN1_INTEGER_free(ai);
1467         return(ret);
1468         }
1469
1470 int save_serial(char *serialfile, char *suffix, BIGNUM *serial, ASN1_INTEGER **retai)
1471         {
1472         char buf[1][BSIZE];
1473         BIO *out = NULL;
1474         int ret=0;
1475         ASN1_INTEGER *ai=NULL;
1476         int j;
1477
1478         if (suffix == NULL)
1479                 j = strlen(serialfile);
1480         else
1481                 j = strlen(serialfile) + strlen(suffix) + 1;
1482         if (j >= BSIZE)
1483                 {
1484                 BIO_printf(bio_err,"file name too long\n");
1485                 goto err;
1486                 }
1487
1488         if (suffix == NULL)
1489                 BUF_strlcpy(buf[0], serialfile, BSIZE);
1490         else
1491                 {
1492 #ifndef OPENSSL_SYS_VMS
1493                 j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", serialfile, suffix);
1494 #else
1495                 j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", serialfile, suffix);
1496 #endif
1497                 }
1498 #ifdef RL_DEBUG
1499         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1500 #endif
1501         out=BIO_new(BIO_s_file());
1502         if (out == NULL)
1503                 {
1504                 ERR_print_errors(bio_err);
1505                 goto err;
1506                 }
1507         if (BIO_write_filename(out,buf[0]) <= 0)
1508                 {
1509                 perror(serialfile);
1510                 goto err;
1511                 }
1512
1513         if ((ai=BN_to_ASN1_INTEGER(serial,NULL)) == NULL)
1514                 {
1515                 BIO_printf(bio_err,"error converting serial to ASN.1 format\n");
1516                 goto err;
1517                 }
1518         i2a_ASN1_INTEGER(out,ai);
1519         BIO_puts(out,"\n");
1520         ret=1;
1521         if (retai)
1522                 {
1523                 *retai = ai;
1524                 ai = NULL;
1525                 }
1526 err:
1527         if (out != NULL) BIO_free_all(out);
1528         if (ai != NULL) ASN1_INTEGER_free(ai);
1529         return(ret);
1530         }
1531
1532 int rotate_serial(char *serialfile, char *new_suffix, char *old_suffix)
1533         {
1534         char buf[5][BSIZE];
1535         int i,j;
1536         struct stat sb;
1537
1538         i = strlen(serialfile) + strlen(old_suffix);
1539         j = strlen(serialfile) + strlen(new_suffix);
1540         if (i > j) j = i;
1541         if (j + 1 >= BSIZE)
1542                 {
1543                 BIO_printf(bio_err,"file name too long\n");
1544                 goto err;
1545                 }
1546
1547 #ifndef OPENSSL_SYS_VMS
1548         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1549                 serialfile, new_suffix);
1550 #else
1551         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1552                 serialfile, new_suffix);
1553 #endif
1554 #ifndef OPENSSL_SYS_VMS
1555         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1556                 serialfile, old_suffix);
1557 #else
1558         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
1559                 serialfile, old_suffix);
1560 #endif
1561         if (stat(serialfile,&sb) < 0)
1562                 {
1563                 if (errno != ENOENT 
1564 #ifdef ENOTDIR
1565                         && errno != ENOTDIR)
1566 #endif
1567                         goto err;
1568                 }
1569         else
1570                 {
1571 #ifdef RL_DEBUG
1572                 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1573                         serialfile, buf[1]);
1574 #endif
1575                 if (rename(serialfile,buf[1]) < 0)
1576                         {
1577                         BIO_printf(bio_err,
1578                                 "unable to rename %s to %s\n",
1579                                 serialfile, buf[1]);
1580                         perror("reason");
1581                         goto err;
1582                         }
1583                 }
1584 #ifdef RL_DEBUG
1585         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1586                 buf[0],serialfile);
1587 #endif
1588         if (rename(buf[0],serialfile) < 0)
1589                 {
1590                 BIO_printf(bio_err,
1591                         "unable to rename %s to %s\n",
1592                         buf[0],serialfile);
1593                 perror("reason");
1594                 rename(buf[1],serialfile);
1595                 goto err;
1596                 }
1597         return 1;
1598  err:
1599         return 0;
1600         }
1601
1602 int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1603         {
1604         BIGNUM *btmp;
1605         int ret = 0;
1606         if (b)
1607                 btmp = b;
1608         else
1609                 btmp = BN_new();
1610
1611         if (!btmp)
1612                 return 0;
1613
1614         if (!BN_pseudo_rand(btmp, SERIAL_RAND_BITS, 0, 0))
1615                 goto error;
1616         if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1617                 goto error;
1618
1619         ret = 1;
1620         
1621         error:
1622
1623         if (!b)
1624                 BN_free(btmp);
1625         
1626         return ret;
1627         }
1628
1629 CA_DB *load_index(char *dbfile, DB_ATTR *db_attr)
1630         {
1631         CA_DB *retdb = NULL;
1632         TXT_DB *tmpdb = NULL;
1633         BIO *in = BIO_new(BIO_s_file());
1634         CONF *dbattr_conf = NULL;
1635         char buf[1][BSIZE];
1636         long errorline= -1;
1637
1638         if (in == NULL)
1639                 {
1640                 ERR_print_errors(bio_err);
1641                 goto err;
1642                 }
1643         if (BIO_read_filename(in,dbfile) <= 0)
1644                 {
1645                 perror(dbfile);
1646                 BIO_printf(bio_err,"unable to open '%s'\n",dbfile);
1647                 goto err;
1648                 }
1649         if ((tmpdb = TXT_DB_read(in,DB_NUMBER)) == NULL)
1650                 {
1651                 if (tmpdb != NULL) TXT_DB_free(tmpdb);
1652                 goto err;
1653                 }
1654
1655 #ifndef OPENSSL_SYS_VMS
1656         BIO_snprintf(buf[0], sizeof buf[0], "%s.attr", dbfile);
1657 #else
1658         BIO_snprintf(buf[0], sizeof buf[0], "%s-attr", dbfile);
1659 #endif
1660         dbattr_conf = NCONF_new(NULL);
1661         if (NCONF_load(dbattr_conf,buf[0],&errorline) <= 0)
1662                 {
1663                 if (errorline > 0)
1664                         {
1665                         BIO_printf(bio_err,
1666                                 "error on line %ld of db attribute file '%s'\n"
1667                                 ,errorline,buf[0]);
1668                         goto err;
1669                         }
1670                 else
1671                         {
1672                         NCONF_free(dbattr_conf);
1673                         dbattr_conf = NULL;
1674                         }
1675                 }
1676
1677         if ((retdb = OPENSSL_malloc(sizeof(CA_DB))) == NULL)
1678                 {
1679                 fprintf(stderr, "Out of memory\n");
1680                 goto err;
1681                 }
1682
1683         retdb->db = tmpdb;
1684         tmpdb = NULL;
1685         if (db_attr)
1686                 retdb->attributes = *db_attr;
1687         else
1688                 {
1689                 retdb->attributes.unique_subject = 1;
1690                 }
1691
1692         if (dbattr_conf)
1693                 {
1694                 char *p = NCONF_get_string(dbattr_conf,NULL,"unique_subject");
1695                 if (p)
1696                         {
1697 #ifdef RL_DEBUG
1698                         BIO_printf(bio_err, "DEBUG[load_index]: unique_subject = \"%s\"\n", p);
1699 #endif
1700                         retdb->attributes.unique_subject = parse_yesno(p,1);
1701                         }
1702                 }
1703
1704  err:
1705         if (dbattr_conf) NCONF_free(dbattr_conf);
1706         if (tmpdb) TXT_DB_free(tmpdb);
1707         if (in) BIO_free_all(in);
1708         return retdb;
1709         }
1710
1711 int index_index(CA_DB *db)
1712         {
1713         if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1714                                 LHASH_HASH_FN(index_serial_hash),
1715                                 LHASH_COMP_FN(index_serial_cmp)))
1716                 {
1717                 BIO_printf(bio_err,
1718                   "error creating serial number index:(%ld,%ld,%ld)\n",
1719                                         db->db->error,db->db->arg1,db->db->arg2);
1720                         return 0;
1721                 }
1722
1723         if (db->attributes.unique_subject
1724                 && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1725                         LHASH_HASH_FN(index_name_hash),
1726                         LHASH_COMP_FN(index_name_cmp)))
1727                 {
1728                 BIO_printf(bio_err,"error creating name index:(%ld,%ld,%ld)\n",
1729                         db->db->error,db->db->arg1,db->db->arg2);
1730                 return 0;
1731                 }
1732         return 1;
1733         }
1734
1735 int save_index(char *dbfile, char *suffix, CA_DB *db)
1736         {
1737         char buf[3][BSIZE];
1738         BIO *out = BIO_new(BIO_s_file());
1739         int j;
1740
1741         if (out == NULL)
1742                 {
1743                 ERR_print_errors(bio_err);
1744                 goto err;
1745                 }
1746
1747         j = strlen(dbfile) + strlen(suffix);
1748         if (j + 6 >= BSIZE)
1749                 {
1750                 BIO_printf(bio_err,"file name too long\n");
1751                 goto err;
1752                 }
1753
1754 #ifndef OPENSSL_SYS_VMS
1755         j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr", dbfile);
1756 #else
1757         j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr", dbfile);
1758 #endif
1759 #ifndef OPENSSL_SYS_VMS
1760         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.attr.%s", dbfile, suffix);
1761 #else
1762         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-attr-%s", dbfile, suffix);
1763 #endif
1764 #ifndef OPENSSL_SYS_VMS
1765         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", dbfile, suffix);
1766 #else
1767         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", dbfile, suffix);
1768 #endif
1769 #ifdef RL_DEBUG
1770         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1771 #endif
1772         if (BIO_write_filename(out,buf[0]) <= 0)
1773                 {
1774                 perror(dbfile);
1775                 BIO_printf(bio_err,"unable to open '%s'\n", dbfile);
1776                 goto err;
1777                 }
1778         j=TXT_DB_write(out,db->db);
1779         if (j <= 0) goto err;
1780                         
1781         BIO_free(out);
1782
1783         out = BIO_new(BIO_s_file());
1784 #ifdef RL_DEBUG
1785         BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[1]);
1786 #endif
1787         if (BIO_write_filename(out,buf[1]) <= 0)
1788                 {
1789                 perror(buf[2]);
1790                 BIO_printf(bio_err,"unable to open '%s'\n", buf[2]);
1791                 goto err;
1792                 }
1793         BIO_printf(out,"unique_subject = %s\n",
1794                 db->attributes.unique_subject ? "yes" : "no");
1795         BIO_free(out);
1796
1797         return 1;
1798  err:
1799         return 0;
1800         }
1801
1802 int rotate_index(char *dbfile, char *new_suffix, char *old_suffix)
1803         {
1804         char buf[5][BSIZE];
1805         int i,j;
1806         struct stat sb;
1807
1808         i = strlen(dbfile) + strlen(old_suffix);
1809         j = strlen(dbfile) + strlen(new_suffix);
1810         if (i > j) j = i;
1811         if (j + 6 >= BSIZE)
1812                 {
1813                 BIO_printf(bio_err,"file name too long\n");
1814                 goto err;
1815                 }
1816
1817 #ifndef OPENSSL_SYS_VMS
1818         j = BIO_snprintf(buf[4], sizeof buf[4], "%s.attr", dbfile);
1819 #else
1820         j = BIO_snprintf(buf[4], sizeof buf[4], "%s-attr", dbfile);
1821 #endif
1822 #ifndef OPENSSL_SYS_VMS
1823         j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr.%s",
1824                 dbfile, new_suffix);
1825 #else
1826         j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr-%s",
1827                 dbfile, new_suffix);
1828 #endif
1829 #ifndef OPENSSL_SYS_VMS
1830         j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s",
1831                 dbfile, new_suffix);
1832 #else
1833         j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s",
1834                 dbfile, new_suffix);
1835 #endif
1836 #ifndef OPENSSL_SYS_VMS
1837         j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s",
1838                 dbfile, old_suffix);
1839 #else
1840         j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s",
1841                 dbfile, old_suffix);
1842 #endif
1843 #ifndef OPENSSL_SYS_VMS
1844         j = BIO_snprintf(buf[3], sizeof buf[3], "%s.attr.%s",
1845                 dbfile, old_suffix);
1846 #else
1847         j = BIO_snprintf(buf[3], sizeof buf[3], "%s-attr-%s",
1848                 dbfile, old_suffix);
1849 #endif
1850         if (stat(dbfile,&sb) < 0)
1851                 {
1852                 if (errno != ENOENT 
1853 #ifdef ENOTDIR
1854                         && errno != ENOTDIR)
1855 #endif
1856                         goto err;
1857                 }
1858         else
1859                 {
1860 #ifdef RL_DEBUG
1861                 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1862                         dbfile, buf[1]);
1863 #endif
1864                 if (rename(dbfile,buf[1]) < 0)
1865                         {
1866                         BIO_printf(bio_err,
1867                                 "unable to rename %s to %s\n",
1868                                 dbfile, buf[1]);
1869                         perror("reason");
1870                         goto err;
1871                         }
1872                 }
1873 #ifdef RL_DEBUG
1874         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1875                 buf[0],dbfile);
1876 #endif
1877         if (rename(buf[0],dbfile) < 0)
1878                 {
1879                 BIO_printf(bio_err,
1880                         "unable to rename %s to %s\n",
1881                         buf[0],dbfile);
1882                 perror("reason");
1883                 rename(buf[1],dbfile);
1884                 goto err;
1885                 }
1886         if (stat(buf[4],&sb) < 0)
1887                 {
1888                 if (errno != ENOENT 
1889 #ifdef ENOTDIR
1890                         && errno != ENOTDIR)
1891 #endif
1892                         goto err;
1893                 }
1894         else
1895                 {
1896 #ifdef RL_DEBUG
1897                 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1898                         buf[4],buf[3]);
1899 #endif
1900                 if (rename(buf[4],buf[3]) < 0)
1901                         {
1902                         BIO_printf(bio_err,
1903                                 "unable to rename %s to %s\n",
1904                                 buf[4], buf[3]);
1905                         perror("reason");
1906                         rename(dbfile,buf[0]);
1907                         rename(buf[1],dbfile);
1908                         goto err;
1909                         }
1910                 }
1911 #ifdef RL_DEBUG
1912         BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1913                 buf[2],buf[4]);
1914 #endif
1915         if (rename(buf[2],buf[4]) < 0)
1916                 {
1917                 BIO_printf(bio_err,
1918                         "unable to rename %s to %s\n",
1919                         buf[2],buf[4]);
1920                 perror("reason");
1921                 rename(buf[3],buf[4]);
1922                 rename(dbfile,buf[0]);
1923                 rename(buf[1],dbfile);
1924                 goto err;
1925                 }
1926         return 1;
1927  err:
1928         return 0;
1929         }
1930
1931 void free_index(CA_DB *db)
1932         {
1933         if (db)
1934                 {
1935                 if (db->db) TXT_DB_free(db->db);
1936                 OPENSSL_free(db);
1937                 }
1938         }
1939
1940 int parse_yesno(char *str, int def)
1941         {
1942         int ret = def;
1943         if (str)
1944                 {
1945                 switch (*str)
1946                         {
1947                 case 'f': /* false */
1948                 case 'F': /* FALSE */
1949                 case 'n': /* no */
1950                 case 'N': /* NO */
1951                 case '0': /* 0 */
1952                         ret = 0;
1953                         break;
1954                 case 't': /* true */
1955                 case 'T': /* TRUE */
1956                 case 'y': /* yes */
1957                 case 'Y': /* YES */
1958                 case '1': /* 1 */
1959                         ret = 0;
1960                         break;
1961                 default:
1962                         ret = def;
1963                         break;
1964                         }
1965                 }
1966         return ret;
1967         }
1968
1969 /*
1970  * subject is expected to be in the format /type0=value0/type1=value1/type2=...
1971  * where characters may be escaped by \
1972  */
1973 X509_NAME *parse_name(char *subject, long chtype, int multirdn)
1974         {
1975         size_t buflen = strlen(subject)+1; /* to copy the types and values into. due to escaping, the copy can only become shorter */
1976         char *buf = OPENSSL_malloc(buflen);
1977         size_t max_ne = buflen / 2 + 1; /* maximum number of name elements */
1978         char **ne_types = OPENSSL_malloc(max_ne * sizeof (char *));
1979         char **ne_values = OPENSSL_malloc(max_ne * sizeof (char *));
1980         int *mval = OPENSSL_malloc (max_ne * sizeof (int));
1981
1982         char *sp = subject, *bp = buf;
1983         int i, ne_num = 0;
1984
1985         X509_NAME *n = NULL;
1986         int nid;
1987
1988         if (!buf || !ne_types || !ne_values)
1989                 {
1990                 BIO_printf(bio_err, "malloc error\n");
1991                 goto error;
1992                 }       
1993
1994         if (*subject != '/')
1995                 {
1996                 BIO_printf(bio_err, "Subject does not start with '/'.\n");
1997                 goto error;
1998                 }
1999         sp++; /* skip leading / */
2000
2001         /* no multivalued RDN by default */
2002         mval[ne_num] = 0;
2003
2004         while (*sp)
2005                 {
2006                 /* collect type */
2007                 ne_types[ne_num] = bp;
2008                 while (*sp)
2009                         {
2010                         if (*sp == '\\') /* is there anything to escape in the type...? */
2011                                 {
2012                                 if (*++sp)
2013                                         *bp++ = *sp++;
2014                                 else    
2015                                         {
2016                                         BIO_printf(bio_err, "escape character at end of string\n");
2017                                         goto error;
2018                                         }
2019                                 }       
2020                         else if (*sp == '=')
2021                                 {
2022                                 sp++;
2023                                 *bp++ = '\0';
2024                                 break;
2025                                 }
2026                         else
2027                                 *bp++ = *sp++;
2028                         }
2029                 if (!*sp)
2030                         {
2031                         BIO_printf(bio_err, "end of string encountered while processing type of subject name element #%d\n", ne_num);
2032                         goto error;
2033                         }
2034                 ne_values[ne_num] = bp;
2035                 while (*sp)
2036                         {
2037                         if (*sp == '\\')
2038                                 {
2039                                 if (*++sp)
2040                                         *bp++ = *sp++;
2041                                 else
2042                                         {
2043                                         BIO_printf(bio_err, "escape character at end of string\n");
2044                                         goto error;
2045                                         }
2046                                 }
2047                         else if (*sp == '/')
2048                                 {
2049                                 sp++;
2050                                 /* no multivalued RDN by default */
2051                                 mval[ne_num+1] = 0;
2052                                 break;
2053                                 }
2054                         else if (*sp == '+' && multirdn)
2055                                 {
2056                                 /* a not escaped + signals a mutlivalued RDN */
2057                                 sp++;
2058                                 mval[ne_num+1] = -1;
2059                                 break;
2060                                 }
2061                         else
2062                                 *bp++ = *sp++;
2063                         }
2064                 *bp++ = '\0';
2065                 ne_num++;
2066                 }       
2067
2068         if (!(n = X509_NAME_new()))
2069                 goto error;
2070
2071         for (i = 0; i < ne_num; i++)
2072                 {
2073                 if ((nid=OBJ_txt2nid(ne_types[i])) == NID_undef)
2074                         {
2075                         BIO_printf(bio_err, "Subject Attribute %s has no known NID, skipped\n", ne_types[i]);
2076                         continue;
2077                         }
2078
2079                 if (!*ne_values[i])
2080                         {
2081                         BIO_printf(bio_err, "No value provided for Subject Attribute %s, skipped\n", ne_types[i]);
2082                         continue;
2083                         }
2084
2085                 if (!X509_NAME_add_entry_by_NID(n, nid, chtype, (unsigned char*)ne_values[i], -1,-1,mval[i]))
2086                         goto error;
2087                 }
2088
2089         OPENSSL_free(ne_values);
2090         OPENSSL_free(ne_types);
2091         OPENSSL_free(buf);
2092         return n;
2093
2094 error:
2095         X509_NAME_free(n);
2096         if (ne_values)
2097                 OPENSSL_free(ne_values);
2098         if (ne_types)
2099                 OPENSSL_free(ne_types);
2100         if (buf)
2101                 OPENSSL_free(buf);
2102         return NULL;
2103 }
2104
2105 /* This code MUST COME AFTER anything that uses rename() */
2106 #ifdef OPENSSL_SYS_WIN32
2107 int WIN32_rename(char *from, char *to)
2108         {
2109 #ifndef OPENSSL_SYS_WINCE
2110         /* Windows rename gives an error if 'to' exists, so delete it
2111          * first and ignore file not found errror
2112          */
2113         if((remove(to) != 0) && (errno != ENOENT))
2114                 return -1;
2115 #undef rename
2116         return rename(from, to);
2117 #else
2118         /* convert strings to UNICODE */
2119         {
2120         BOOL result = FALSE;
2121         WCHAR* wfrom;
2122         WCHAR* wto;
2123         int i;
2124         wfrom = malloc((strlen(from)+1)*2);
2125         wto = malloc((strlen(to)+1)*2);
2126         if (wfrom != NULL && wto != NULL)
2127                 {
2128                 for (i=0; i<(int)strlen(from)+1; i++)
2129                         wfrom[i] = (short)from[i];
2130                 for (i=0; i<(int)strlen(to)+1; i++)
2131                         wto[i] = (short)to[i];
2132                 result = MoveFile(wfrom, wto);
2133                 }
2134         if (wfrom != NULL)
2135                 free(wfrom);
2136         if (wto != NULL)
2137                 free(wto);
2138         return result;
2139         }
2140 #endif
2141         }
2142 #endif
2143
2144 int args_verify(char ***pargs, int *pargc,
2145                         int *badarg, BIO *err, X509_VERIFY_PARAM **pm)
2146         {
2147         ASN1_OBJECT *otmp = NULL;
2148         unsigned long flags = 0;
2149         int i;
2150         int purpose = 0;
2151         char **oldargs = *pargs;
2152         char *arg = **pargs, *argn = (*pargs)[1];
2153         if (!strcmp(arg, "-policy"))
2154                 {
2155                 if (!argn)
2156                         *badarg = 1;
2157                 else
2158                         {
2159                         otmp = OBJ_txt2obj(argn, 0);
2160                         if (!otmp)
2161                                 {
2162                                 BIO_printf(err, "Invalid Policy \"%s\"\n",
2163                                                                         argn);
2164                                 *badarg = 1;
2165                                 }
2166                         }
2167                 (*pargs)++;
2168                 }
2169         else if (strcmp(arg,"-purpose") == 0)
2170                 {
2171                 X509_PURPOSE *xptmp;
2172                 if (!argn)
2173                         *badarg = 1;
2174                 else
2175                         {
2176                         i = X509_PURPOSE_get_by_sname(argn);
2177                         if(i < 0)
2178                                 {
2179                                 BIO_printf(err, "unrecognized purpose\n");
2180                                 *badarg = 1;
2181                                 }
2182                         else
2183                                 {
2184                                 xptmp = X509_PURPOSE_get0(i);
2185                                 purpose = X509_PURPOSE_get_id(xptmp);
2186                                 }
2187                         }
2188                 (*pargs)++;
2189                 }
2190         else if (!strcmp(arg, "-ignore_critical"))
2191                 flags |= X509_V_FLAG_IGNORE_CRITICAL;
2192         else if (!strcmp(arg, "-issuer_checks"))
2193                 flags |= X509_V_FLAG_CB_ISSUER_CHECK;
2194         else if (!strcmp(arg, "-crl_check"))
2195                 flags |=  X509_V_FLAG_CRL_CHECK;
2196         else if (!strcmp(arg, "-crl_check_all"))
2197                 flags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
2198         else if (!strcmp(arg, "-policy_check"))
2199                 flags |= X509_V_FLAG_POLICY_CHECK;
2200         else if (!strcmp(arg, "-explicit_policy"))
2201                 flags |= X509_V_FLAG_EXPLICIT_POLICY;
2202         else if (!strcmp(arg, "-x509_strict"))
2203                 flags |= X509_V_FLAG_X509_STRICT;
2204         else if (!strcmp(arg, "-policy_print"))
2205                 flags |= X509_V_FLAG_NOTIFY_POLICY;
2206         else
2207                 return 0;
2208
2209         if (*badarg)
2210                 {
2211                 if (*pm)
2212                         X509_VERIFY_PARAM_free(*pm);
2213                 *pm = NULL;
2214                 goto end;
2215                 }
2216
2217         if (!*pm && !(*pm = X509_VERIFY_PARAM_new()))
2218                 {
2219                 *badarg = 1;
2220                 goto end;
2221                 }
2222
2223         if (otmp)
2224                 X509_VERIFY_PARAM_add0_policy(*pm, otmp);
2225         if (flags)
2226                 X509_VERIFY_PARAM_set_flags(*pm, flags);
2227
2228         if (purpose)
2229                 X509_VERIFY_PARAM_set_purpose(*pm, purpose);
2230
2231         end:
2232
2233         (*pargs)++;
2234
2235         if (pargc)
2236                 *pargc -= *pargs - oldargs;
2237
2238         return 1;
2239
2240         }
2241
2242 static void nodes_print(BIO *out, char *name, STACK_OF(X509_POLICY_NODE) *nodes)
2243         {
2244         X509_POLICY_NODE *node;
2245         int i;
2246         BIO_printf(out, "%s Policies:", name);
2247         if (nodes)
2248                 {
2249                 BIO_puts(out, "\n");
2250                 for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++)
2251                         {
2252                         node = sk_X509_POLICY_NODE_value(nodes, i);
2253                         X509_POLICY_NODE_print(out, node, 2);
2254                         }
2255                 }
2256         else
2257                 BIO_puts(out, " <empty>\n");
2258         }
2259
2260 void policies_print(BIO *out, X509_STORE_CTX *ctx)
2261         {
2262         X509_POLICY_TREE *tree;
2263         int explicit_policy;
2264         int free_out = 0;
2265         if (out == NULL)
2266                 {
2267                 out = BIO_new_fp(stderr, BIO_NOCLOSE);
2268                 free_out = 1;
2269                 }
2270         tree = X509_STORE_CTX_get0_policy_tree(ctx);
2271         explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
2272
2273         BIO_printf(out, "Require explicit Policy: %s\n",
2274                                 explicit_policy ? "True" : "False");
2275
2276         nodes_print(out, "Authority", X509_policy_tree_get0_policies(tree));
2277         nodes_print(out, "User", X509_policy_tree_get0_user_policies(tree));
2278         if (free_out)
2279                 BIO_free(out);
2280         }