dc89fc0a811408441b837886ca73082d4dc271af
[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 #define NON_MAIN
118 #include "apps.h"
119 #undef NON_MAIN
120 #include <openssl/err.h>
121 #include <openssl/x509.h>
122 #include <openssl/x509v3.h>
123 #include <openssl/pem.h>
124 #include <openssl/pkcs12.h>
125 #include <openssl/ui.h>
126 #include <openssl/safestack.h>
127 #include <openssl/engine.h>
128
129 #ifdef OPENSSL_SYS_WINDOWS
130 #define strcasecmp _stricmp
131 #else
132 #include <strings.h>
133 #endif
134
135 #ifdef OPENSSL_SYS_WINDOWS
136 #  include "bss_file.c"
137 #endif
138
139 typedef struct {
140         char *name;
141         unsigned long flag;
142         unsigned long mask;
143 } NAME_EX_TBL;
144
145 static UI_METHOD *ui_method = NULL;
146
147 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
148 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
149
150 int app_init(long mesgwin);
151 #ifdef undef /* never finished - probably never will be :-) */
152 int args_from_file(char *file, int *argc, char **argv[])
153         {
154         FILE *fp;
155         int num,i;
156         unsigned int len;
157         static char *buf=NULL;
158         static char **arg=NULL;
159         char *p;
160         struct stat stbuf;
161
162         if (stat(file,&stbuf) < 0) return(0);
163
164         fp=fopen(file,"r");
165         if (fp == NULL)
166                 return(0);
167
168         *argc=0;
169         *argv=NULL;
170
171         len=(unsigned int)stbuf.st_size;
172         if (buf != NULL) OPENSSL_free(buf);
173         buf=(char *)OPENSSL_malloc(len+1);
174         if (buf == NULL) return(0);
175
176         len=fread(buf,1,len,fp);
177         if (len <= 1) return(0);
178         buf[len]='\0';
179
180         i=0;
181         for (p=buf; *p; p++)
182                 if (*p == '\n') i++;
183         if (arg != NULL) OPENSSL_free(arg);
184         arg=(char **)OPENSSL_malloc(sizeof(char *)*(i*2));
185
186         *argv=arg;
187         num=0;
188         p=buf;
189         for (;;)
190                 {
191                 if (!*p) break;
192                 if (*p == '#') /* comment line */
193                         {
194                         while (*p && (*p != '\n')) p++;
195                         continue;
196                         }
197                 /* else we have a line */
198                 *(arg++)=p;
199                 num++;
200                 while (*p && ((*p != ' ') && (*p != '\t') && (*p != '\n')))
201                         p++;
202                 if (!*p) break;
203                 if (*p == '\n')
204                         {
205                         *(p++)='\0';
206                         continue;
207                         }
208                 /* else it is a tab or space */
209                 p++;
210                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
211                         p++;
212                 if (!*p) break;
213                 if (*p == '\n')
214                         {
215                         p++;
216                         continue;
217                         }
218                 *(arg++)=p++;
219                 num++;
220                 while (*p && (*p != '\n')) p++;
221                 if (!*p) break;
222                 /* else *p == '\n' */
223                 *(p++)='\0';
224                 }
225         *argc=num;
226         return(1);
227         }
228 #endif
229
230 int str2fmt(char *s)
231         {
232         if      ((*s == 'D') || (*s == 'd'))
233                 return(FORMAT_ASN1);
234         else if ((*s == 'T') || (*s == 't'))
235                 return(FORMAT_TEXT);
236         else if ((*s == 'P') || (*s == 'p'))
237                 return(FORMAT_PEM);
238         else if ((*s == 'N') || (*s == 'n'))
239                 return(FORMAT_NETSCAPE);
240         else if ((*s == 'S') || (*s == 's'))
241                 return(FORMAT_SMIME);
242         else if ((*s == '1')
243                 || (strcmp(s,"PKCS12") == 0) || (strcmp(s,"pkcs12") == 0)
244                 || (strcmp(s,"P12") == 0) || (strcmp(s,"p12") == 0))
245                 return(FORMAT_PKCS12);
246         else if ((*s == 'E') || (*s == 'e'))
247                 return(FORMAT_ENGINE);
248         else
249                 return(FORMAT_UNDEF);
250         }
251
252 #if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16)
253 void program_name(char *in, char *out, int size)
254         {
255         int i,n;
256         char *p=NULL;
257
258         n=strlen(in);
259         /* find the last '/', '\' or ':' */
260         for (i=n-1; i>0; i--)
261                 {
262                 if ((in[i] == '/') || (in[i] == '\\') || (in[i] == ':'))
263                         {
264                         p= &(in[i+1]);
265                         break;
266                         }
267                 }
268         if (p == NULL)
269                 p=in;
270         n=strlen(p);
271         /* strip off trailing .exe if present. */
272         if ((n > 4) && (p[n-4] == '.') &&
273                 ((p[n-3] == 'e') || (p[n-3] == 'E')) &&
274                 ((p[n-2] == 'x') || (p[n-2] == 'X')) &&
275                 ((p[n-1] == 'e') || (p[n-1] == 'E')))
276                 n-=4;
277         if (n > size-1)
278                 n=size-1;
279
280         for (i=0; i<n; i++)
281                 {
282                 if ((p[i] >= 'A') && (p[i] <= 'Z'))
283                         out[i]=p[i]-'A'+'a';
284                 else
285                         out[i]=p[i];
286                 }
287         out[n]='\0';
288         }
289 #else
290 #ifdef OPENSSL_SYS_VMS
291 void program_name(char *in, char *out, int size)
292         {
293         char *p=in, *q;
294         char *chars=":]>";
295
296         while(*chars != '\0')
297                 {
298                 q=strrchr(p,*chars);
299                 if (q > p)
300                         p = q + 1;
301                 chars++;
302                 }
303
304         q=strrchr(p,'.');
305         if (q == NULL)
306                 q = in+size;
307         strncpy(out,p,q-p);
308         out[q-p]='\0';
309         }
310 #else
311 void program_name(char *in, char *out, int size)
312         {
313         char *p;
314
315         p=strrchr(in,'/');
316         if (p != NULL)
317                 p++;
318         else
319                 p=in;
320         strncpy(out,p,size-1);
321         out[size-1]='\0';
322         }
323 #endif
324 #endif
325
326 #ifdef OPENSSL_SYS_WIN32
327 int WIN32_rename(char *from, char *to)
328         {
329 #ifdef OPENSSL_SYS_WINNT
330         int ret;
331 /* Note: MoveFileEx() doesn't work under Win95, Win98 */
332
333         ret=MoveFileEx(from,to,MOVEFILE_REPLACE_EXISTING|MOVEFILE_COPY_ALLOWED);
334         return(ret?0:-1);
335 #else
336         unlink(to);
337         return MoveFile(from, to);
338 #endif
339         }
340 #endif
341
342 int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
343         {
344         int num,len,i;
345         char *p;
346
347         *argc=0;
348         *argv=NULL;
349
350         len=strlen(buf);
351         i=0;
352         if (arg->count == 0)
353                 {
354                 arg->count=20;
355                 arg->data=(char **)OPENSSL_malloc(sizeof(char *)*arg->count);
356                 }
357         for (i=0; i<arg->count; i++)
358                 arg->data[i]=NULL;
359
360         num=0;
361         p=buf;
362         for (;;)
363                 {
364                 /* first scan over white space */
365                 if (!*p) break;
366                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
367                         p++;
368                 if (!*p) break;
369
370                 /* The start of something good :-) */
371                 if (num >= arg->count)
372                         {
373                         arg->count+=20;
374                         arg->data=(char **)OPENSSL_realloc(arg->data,
375                                 sizeof(char *)*arg->count);
376                         if (argc == 0) return(0);
377                         }
378                 arg->data[num++]=p;
379
380                 /* now look for the end of this */
381                 if ((*p == '\'') || (*p == '\"')) /* scan for closing quote */
382                         {
383                         i= *(p++);
384                         arg->data[num-1]++; /* jump over quote */
385                         while (*p && (*p != i))
386                                 p++;
387                         *p='\0';
388                         }
389                 else
390                         {
391                         while (*p && ((*p != ' ') &&
392                                 (*p != '\t') && (*p != '\n')))
393                                 p++;
394
395                         if (*p == '\0')
396                                 p--;
397                         else
398                                 *p='\0';
399                         }
400                 p++;
401                 }
402         *argc=num;
403         *argv=arg->data;
404         return(1);
405         }
406
407 #ifndef APP_INIT
408 int app_init(long mesgwin)
409         {
410         return(1);
411         }
412 #endif
413
414
415 int dump_cert_text (BIO *out, X509 *x)
416 {
417         char buf[256];
418         X509_NAME_oneline(X509_get_subject_name(x),buf,256);
419         BIO_puts(out,"subject=");
420         BIO_puts(out,buf);
421
422         X509_NAME_oneline(X509_get_issuer_name(x),buf,256);
423         BIO_puts(out,"\nissuer= ");
424         BIO_puts(out,buf);
425         BIO_puts(out,"\n");
426         return 0;
427 }
428
429 static int ui_open(UI *ui)
430         {
431         return UI_method_get_opener(UI_OpenSSL())(ui);
432         }
433 static int ui_read(UI *ui, UI_STRING *uis)
434         {
435         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
436                 && UI_get0_user_data(ui))
437                 {
438                 switch(UI_get_string_type(uis))
439                         {
440                 case UIT_PROMPT:
441                 case UIT_VERIFY:
442                         {
443                         const char *password =
444                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
445                         if (password[0] != '\0')
446                                 {
447                                 UI_set_result(ui, uis, password);
448                                 return 1;
449                                 }
450                         }
451                 default:
452                         break;
453                         }
454                 }
455         return UI_method_get_reader(UI_OpenSSL())(ui, uis);
456         }
457 static int ui_write(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[0] != '\0')
470                                 return 1;
471                         }
472                 default:
473                         break;
474                         }
475                 }
476         return UI_method_get_writer(UI_OpenSSL())(ui, uis);
477         }
478 static int ui_close(UI *ui)
479         {
480         return UI_method_get_closer(UI_OpenSSL())(ui);
481         }
482 int setup_ui_method()
483         {
484         ui_method = UI_create_method("OpenSSL application user interface");
485         UI_method_set_opener(ui_method, ui_open);
486         UI_method_set_reader(ui_method, ui_read);
487         UI_method_set_writer(ui_method, ui_write);
488         UI_method_set_closer(ui_method, ui_close);
489         return 0;
490         }
491 void destroy_ui_method()
492         {
493         if(ui_method)
494                 {
495                 UI_destroy_method(ui_method);
496                 ui_method = NULL;
497                 }
498         }
499 int password_callback(char *buf, int bufsiz, int verify,
500         PW_CB_DATA *cb_tmp)
501         {
502         UI *ui = NULL;
503         int res = 0;
504         const char *prompt_info = NULL;
505         const char *password = NULL;
506         PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp;
507
508         if (cb_data)
509                 {
510                 if (cb_data->password)
511                         password = cb_data->password;
512                 if (cb_data->prompt_info)
513                         prompt_info = cb_data->prompt_info;
514                 }
515
516         if (password)
517                 {
518                 res = strlen(password);
519                 if (res > bufsiz)
520                         res = bufsiz;
521                 memcpy(buf, password, res);
522                 return res;
523                 }
524
525         ui = UI_new_method(ui_method);
526         if (ui)
527                 {
528                 int ok = 0;
529                 char *buff = NULL;
530                 int ui_flags = 0;
531                 char *prompt = NULL;
532
533                 prompt = UI_construct_prompt(ui, "pass phrase",
534                         cb_data->prompt_info);
535
536                 ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
537                 UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
538
539                 if (ok >= 0)
540                         ok = UI_add_input_string(ui,prompt,ui_flags,buf,
541                                 PW_MIN_LENGTH,BUFSIZ-1);
542                 if (ok >= 0 && verify)
543                         {
544                         buff = (char *)OPENSSL_malloc(bufsiz);
545                         ok = UI_add_verify_string(ui,prompt,ui_flags,buff,
546                                 PW_MIN_LENGTH,BUFSIZ-1, buf);
547                         }
548                 if (ok >= 0)
549                         do
550                                 {
551                                 ok = UI_process(ui);
552                                 }
553                         while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
554
555                 if (buff)
556                         {
557                         memset(buff,0,(unsigned int)bufsiz);
558                         OPENSSL_free(buff);
559                         }
560
561                 if (ok >= 0)
562                         res = strlen(buf);
563                 if (ok == -1)
564                         {
565                         BIO_printf(bio_err, "User interface error\n");
566                         ERR_print_errors(bio_err);
567                         memset(buf,0,(unsigned int)bufsiz);
568                         res = 0;
569                         }
570                 if (ok == -2)
571                         {
572                         BIO_printf(bio_err,"aborted!\n");
573                         memset(buf,0,(unsigned int)bufsiz);
574                         res = 0;
575                         }
576                 UI_free(ui);
577                 OPENSSL_free(prompt);
578                 }
579         return res;
580         }
581
582 static char *app_get_pass(BIO *err, char *arg, int keepbio);
583
584 int app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2)
585 {
586         int same;
587         if(!arg2 || !arg1 || strcmp(arg1, arg2)) same = 0;
588         else same = 1;
589         if(arg1) {
590                 *pass1 = app_get_pass(err, arg1, same);
591                 if(!*pass1) return 0;
592         } else if(pass1) *pass1 = NULL;
593         if(arg2) {
594                 *pass2 = app_get_pass(err, arg2, same ? 2 : 0);
595                 if(!*pass2) return 0;
596         } else if(pass2) *pass2 = NULL;
597         return 1;
598 }
599
600 static char *app_get_pass(BIO *err, char *arg, int keepbio)
601 {
602         char *tmp, tpass[APP_PASS_LEN];
603         static BIO *pwdbio = NULL;
604         int i;
605         if(!strncmp(arg, "pass:", 5)) return BUF_strdup(arg + 5);
606         if(!strncmp(arg, "env:", 4)) {
607                 tmp = getenv(arg + 4);
608                 if(!tmp) {
609                         BIO_printf(err, "Can't read environment variable %s\n", arg + 4);
610                         return NULL;
611                 }
612                 return BUF_strdup(tmp);
613         }
614         if(!keepbio || !pwdbio) {
615                 if(!strncmp(arg, "file:", 5)) {
616                         pwdbio = BIO_new_file(arg + 5, "r");
617                         if(!pwdbio) {
618                                 BIO_printf(err, "Can't open file %s\n", arg + 5);
619                                 return NULL;
620                         }
621                 } else if(!strncmp(arg, "fd:", 3)) {
622                         BIO *btmp;
623                         i = atoi(arg + 3);
624                         if(i >= 0) pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
625                         if((i < 0) || !pwdbio) {
626                                 BIO_printf(err, "Can't access file descriptor %s\n", arg + 3);
627                                 return NULL;
628                         }
629                         /* Can't do BIO_gets on an fd BIO so add a buffering BIO */
630                         btmp = BIO_new(BIO_f_buffer());
631                         pwdbio = BIO_push(btmp, pwdbio);
632                 } else if(!strcmp(arg, "stdin")) {
633                         pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE);
634                         if(!pwdbio) {
635                                 BIO_printf(err, "Can't open BIO for stdin\n");
636                                 return NULL;
637                         }
638                 } else {
639                         BIO_printf(err, "Invalid password argument \"%s\"\n", arg);
640                         return NULL;
641                 }
642         }
643         i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
644         if(keepbio != 1) {
645                 BIO_free_all(pwdbio);
646                 pwdbio = NULL;
647         }
648         if(i <= 0) {
649                 BIO_printf(err, "Error reading password from BIO\n");
650                 return NULL;
651         }
652         tmp = strchr(tpass, '\n');
653         if(tmp) *tmp = 0;
654         return BUF_strdup(tpass);
655 }
656
657 int add_oid_section(BIO *err, CONF *conf)
658 {       
659         char *p;
660         STACK_OF(CONF_VALUE) *sktmp;
661         CONF_VALUE *cnf;
662         int i;
663         if(!(p=NCONF_get_string(conf,NULL,"oid_section")))
664                 {
665                 ERR_clear_error();
666                 return 1;
667                 }
668         if(!(sktmp = NCONF_get_section(conf, p))) {
669                 BIO_printf(err, "problem loading oid section %s\n", p);
670                 return 0;
671         }
672         for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
673                 cnf = sk_CONF_VALUE_value(sktmp, i);
674                 if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
675                         BIO_printf(err, "problem creating object %s=%s\n",
676                                                          cnf->name, cnf->value);
677                         return 0;
678                 }
679         }
680         return 1;
681 }
682
683 X509 *load_cert(BIO *err, const char *file, int format,
684         const char *pass, ENGINE *e, const char *cert_descrip)
685         {
686         ASN1_HEADER *ah=NULL;
687         BUF_MEM *buf=NULL;
688         X509 *x=NULL;
689         BIO *cert;
690
691         if ((cert=BIO_new(BIO_s_file())) == NULL)
692                 {
693                 ERR_print_errors(err);
694                 goto end;
695                 }
696
697         if (file == NULL)
698                 {
699                 setvbuf(stdin, NULL, _IONBF, 0);
700                 BIO_set_fp(cert,stdin,BIO_NOCLOSE);
701                 }
702         else
703                 {
704                 if (BIO_read_filename(cert,file) <= 0)
705                         {
706                         BIO_printf(err, "Error opening %s %s\n",
707                                 cert_descrip, file);
708                         ERR_print_errors(err);
709                         goto end;
710                         }
711                 }
712
713         if      (format == FORMAT_ASN1)
714                 x=d2i_X509_bio(cert,NULL);
715         else if (format == FORMAT_NETSCAPE)
716                 {
717                 unsigned char *p,*op;
718                 int size=0,i;
719
720                 /* We sort of have to do it this way because it is sort of nice
721                  * to read the header first and check it, then
722                  * try to read the certificate */
723                 buf=BUF_MEM_new();
724                 for (;;)
725                         {
726                         if ((buf == NULL) || (!BUF_MEM_grow(buf,size+1024*10)))
727                                 goto end;
728                         i=BIO_read(cert,&(buf->data[size]),1024*10);
729                         size+=i;
730                         if (i == 0) break;
731                         if (i < 0)
732                                 {
733                                 perror("reading certificate");
734                                 goto end;
735                                 }
736                         }
737                 p=(unsigned char *)buf->data;
738                 op=p;
739
740                 /* First load the header */
741                 if ((ah=d2i_ASN1_HEADER(NULL,&p,(long)size)) == NULL)
742                         goto end;
743                 if ((ah->header == NULL) || (ah->header->data == NULL) ||
744                         (strncmp(NETSCAPE_CERT_HDR,(char *)ah->header->data,
745                         ah->header->length) != 0))
746                         {
747                         BIO_printf(err,"Error reading header on certificate\n");
748                         goto end;
749                         }
750                 /* header is ok, so now read the object */
751                 p=op;
752                 ah->meth=X509_asn1_meth();
753                 if ((ah=d2i_ASN1_HEADER(&ah,&p,(long)size)) == NULL)
754                         goto end;
755                 x=(X509 *)ah->data;
756                 ah->data=NULL;
757                 }
758         else if (format == FORMAT_PEM)
759                 x=PEM_read_bio_X509_AUX(cert,NULL,
760                         (pem_password_cb *)password_callback, NULL);
761         else if (format == FORMAT_PKCS12)
762                 {
763                 PKCS12 *p12 = d2i_PKCS12_bio(cert, NULL);
764
765                 PKCS12_parse(p12, NULL, NULL, &x, NULL);
766                 PKCS12_free(p12);
767                 p12 = NULL;
768                 }
769         else    {
770                 BIO_printf(err,"bad input format specified for %s\n",
771                         cert_descrip);
772                 goto end;
773                 }
774 end:
775         if (x == NULL)
776                 {
777                 BIO_printf(err,"unable to load certificate\n");
778                 ERR_print_errors(err);
779                 }
780         if (ah != NULL) ASN1_HEADER_free(ah);
781         if (cert != NULL) BIO_free(cert);
782         if (buf != NULL) BUF_MEM_free(buf);
783         return(x);
784         }
785
786 EVP_PKEY *load_key(BIO *err, const char *file, int format,
787         const char *pass, ENGINE *e, const char *key_descrip)
788         {
789         BIO *key=NULL;
790         EVP_PKEY *pkey=NULL;
791         PW_CB_DATA cb_data;
792
793         cb_data.password = pass;
794         cb_data.prompt_info = file;
795
796         if (file == NULL)
797                 {
798                 BIO_printf(err,"no keyfile specified\n");
799                 goto end;
800                 }
801         if (format == FORMAT_ENGINE)
802                 {
803                 if (!e)
804                         BIO_printf(bio_err,"no engine specified\n");
805                 else
806                         pkey = ENGINE_load_private_key(e, file,
807                                 ui_method, &cb_data);
808                 goto end;
809                 }
810         key=BIO_new(BIO_s_file());
811         if (key == NULL)
812                 {
813                 ERR_print_errors(err);
814                 goto end;
815                 }
816         if (BIO_read_filename(key,file) <= 0)
817                 {
818                 BIO_printf(err, "Error opening %s %s\n", key_descrip, file);
819                 ERR_print_errors(err);
820                 goto end;
821                 }
822         if (format == FORMAT_ASN1)
823                 {
824                 pkey=d2i_PrivateKey_bio(key, NULL);
825                 }
826         else if (format == FORMAT_PEM)
827                 {
828                 pkey=PEM_read_bio_PrivateKey(key,NULL,
829                         (pem_password_cb *)password_callback, &cb_data);
830                 }
831         else if (format == FORMAT_PKCS12)
832                 {
833                 PKCS12 *p12 = d2i_PKCS12_bio(key, NULL);
834
835                 PKCS12_parse(p12, pass, &pkey, NULL, NULL);
836                 PKCS12_free(p12);
837                 p12 = NULL;
838                 }
839         else
840                 {
841                 BIO_printf(err,"bad input format specified for key file\n");
842                 goto end;
843                 }
844  end:
845         if (key != NULL) BIO_free(key);
846         if (pkey == NULL)
847                 BIO_printf(err,"unable to load %s\n", key_descrip);
848         return(pkey);
849         }
850
851 EVP_PKEY *load_pubkey(BIO *err, const char *file, int format,
852         const char *pass, ENGINE *e, const char *key_descrip)
853         {
854         BIO *key=NULL;
855         EVP_PKEY *pkey=NULL;
856         PW_CB_DATA cb_data;
857
858         cb_data.password = pass;
859         cb_data.prompt_info = file;
860
861         if (file == NULL)
862                 {
863                 BIO_printf(err,"no keyfile specified\n");
864                 goto end;
865                 }
866         if (format == FORMAT_ENGINE)
867                 {
868                 if (!e)
869                         BIO_printf(bio_err,"no engine specified\n");
870                 else
871                         pkey = ENGINE_load_public_key(e, file,
872                                 ui_method, &cb_data);
873                 goto end;
874                 }
875         key=BIO_new(BIO_s_file());
876         if (key == NULL)
877                 {
878                 ERR_print_errors(err);
879                 goto end;
880                 }
881         if (BIO_read_filename(key,file) <= 0)
882                 {
883                 BIO_printf(err, "Error opening %s %s\n", key_descrip, file);
884                 ERR_print_errors(err);
885                 goto end;
886                 }
887         if (format == FORMAT_ASN1)
888                 {
889                 pkey=d2i_PUBKEY_bio(key, NULL);
890                 }
891         else if (format == FORMAT_PEM)
892                 {
893                 pkey=PEM_read_bio_PUBKEY(key,NULL,
894                         (pem_password_cb *)password_callback, &cb_data);
895                 }
896         else
897                 {
898                 BIO_printf(err,"bad input format specified for key file\n");
899                 goto end;
900                 }
901  end:
902         if (key != NULL) BIO_free(key);
903         if (pkey == NULL)
904                 BIO_printf(err,"unable to load %s\n", key_descrip);
905         return(pkey);
906         }
907
908 STACK_OF(X509) *load_certs(BIO *err, const char *file, int format,
909         const char *pass, ENGINE *e, const char *cert_descrip)
910         {
911         BIO *certs;
912         int i;
913         STACK_OF(X509) *othercerts = NULL;
914         STACK_OF(X509_INFO) *allcerts = NULL;
915         X509_INFO *xi;
916         PW_CB_DATA cb_data;
917
918         cb_data.password = pass;
919         cb_data.prompt_info = file;
920
921         if((certs = BIO_new(BIO_s_file())) == NULL)
922                 {
923                 ERR_print_errors(err);
924                 goto end;
925                 }
926
927         if (file == NULL)
928                 BIO_set_fp(certs,stdin,BIO_NOCLOSE);
929         else
930                 {
931                 if (BIO_read_filename(certs,file) <= 0)
932                         {
933                         BIO_printf(err, "Error opening %s %s\n",
934                                 cert_descrip, file);
935                         ERR_print_errors(err);
936                         goto end;
937                         }
938                 }
939
940         if      (format == FORMAT_PEM)
941                 {
942                 othercerts = sk_X509_new_null();
943                 if(!othercerts)
944                         {
945                         sk_X509_free(othercerts);
946                         othercerts = NULL;
947                         goto end;
948                         }
949                 allcerts = PEM_X509_INFO_read_bio(certs, NULL,
950                                 (pem_password_cb *)password_callback, &cb_data);
951                 for(i = 0; i < sk_X509_INFO_num(allcerts); i++)
952                         {
953                         xi = sk_X509_INFO_value (allcerts, i);
954                         if (xi->x509)
955                                 {
956                                 sk_X509_push(othercerts, xi->x509);
957                                 xi->x509 = NULL;
958                                 }
959                         }
960                 goto end;
961                 }
962         else    {
963                 BIO_printf(err,"bad input format specified for %s\n",
964                         cert_descrip);
965                 goto end;
966                 }
967 end:
968         if (othercerts == NULL)
969                 {
970                 BIO_printf(err,"unable to load certificates\n");
971                 ERR_print_errors(err);
972                 }
973         if (allcerts) sk_X509_INFO_pop_free(allcerts, X509_INFO_free);
974         if (certs != NULL) BIO_free(certs);
975         return(othercerts);
976         }
977
978
979 #define X509V3_EXT_UNKNOWN_MASK         (0xfL << 16)
980 /* Return error for unknown extensions */
981 #define X509V3_EXT_DEFAULT              0
982 /* Print error for unknown extensions */
983 #define X509V3_EXT_ERROR_UNKNOWN        (1L << 16)
984 /* ASN1 parse unknown extensions */
985 #define X509V3_EXT_PARSE_UNKNOWN        (2L << 16)
986 /* BIO_dump unknown extensions */
987 #define X509V3_EXT_DUMP_UNKNOWN         (3L << 16)
988
989 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
990                          X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
991
992 int set_cert_ex(unsigned long *flags, const char *arg)
993 {
994         static const NAME_EX_TBL cert_tbl[] = {
995                 { "compatible", X509_FLAG_COMPAT, 0xffffffffl},
996                 { "ca_default", X509_FLAG_CA, 0xffffffffl},
997                 { "no_header", X509_FLAG_NO_HEADER, 0},
998                 { "no_version", X509_FLAG_NO_VERSION, 0},
999                 { "no_serial", X509_FLAG_NO_SERIAL, 0},
1000                 { "no_signame", X509_FLAG_NO_SIGNAME, 0},
1001                 { "no_validity", X509_FLAG_NO_VALIDITY, 0},
1002                 { "no_subject", X509_FLAG_NO_SUBJECT, 0},
1003                 { "no_issuer", X509_FLAG_NO_ISSUER, 0},
1004                 { "no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1005                 { "no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1006                 { "no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1007                 { "no_aux", X509_FLAG_NO_AUX, 0},
1008                 { "ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1009                 { "ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1010                 { "ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1011                 { "ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1012                 { NULL, 0, 0}
1013         };
1014         return set_multi_opts(flags, arg, cert_tbl);
1015 }
1016
1017 int set_name_ex(unsigned long *flags, const char *arg)
1018 {
1019         static const NAME_EX_TBL ex_tbl[] = {
1020                 { "esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1021                 { "esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1022                 { "esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1023                 { "use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1024                 { "utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1025                 { "ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1026                 { "show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1027                 { "dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1028                 { "dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1029                 { "dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1030                 { "compat", XN_FLAG_COMPAT, 0xffffffffL},
1031                 { "sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1032                 { "sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1033                 { "sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1034                 { "sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1035                 { "dn_rev", XN_FLAG_DN_REV, 0},
1036                 { "nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1037                 { "sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1038                 { "lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1039                 { "align", XN_FLAG_FN_ALIGN, 0},
1040                 { "oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1041                 { "space_eq", XN_FLAG_SPC_EQ, 0},
1042                 { "dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1043                 { "RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1044                 { "oneline", XN_FLAG_ONELINE, 0xffffffffL},
1045                 { "multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1046                 { "ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1047                 { NULL, 0, 0}
1048         };
1049         return set_multi_opts(flags, arg, ex_tbl);
1050 }
1051
1052 int set_ext_copy(int *copy_type, const char *arg)
1053 {
1054         if (!strcasecmp(arg, "none"))
1055                 *copy_type = EXT_COPY_NONE;
1056         else if (!strcasecmp(arg, "copy"))
1057                 *copy_type = EXT_COPY_ADD;
1058         else if (!strcasecmp(arg, "copyall"))
1059                 *copy_type = EXT_COPY_ALL;
1060         else
1061                 return 0;
1062         return 1;
1063 }
1064
1065 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1066 {
1067         STACK_OF(X509_EXTENSION) *exts = NULL;
1068         X509_EXTENSION *ext, *tmpext;
1069         ASN1_OBJECT *obj;
1070         int i, idx, ret = 0;
1071         if (!x || !req || (copy_type == EXT_COPY_NONE))
1072                 return 1;
1073         exts = X509_REQ_get_extensions(req);
1074
1075         for(i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1076                 ext = sk_X509_EXTENSION_value(exts, i);
1077                 obj = X509_EXTENSION_get_object(ext);
1078                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1079                 /* Does extension exist? */
1080                 if (idx != -1) {
1081                         /* If normal copy don't override existing extension */
1082                         if (copy_type == EXT_COPY_ADD)
1083                                 continue;
1084                         /* Delete all extensions of same type */
1085                         do {
1086                                 tmpext = X509_get_ext(x, idx);
1087                                 X509_delete_ext(x, idx);
1088                                 X509_EXTENSION_free(tmpext);
1089                                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1090                         } while (idx != -1);
1091                 }
1092                 if (!X509_add_ext(x, ext, -1))
1093                         goto end;
1094         }
1095
1096         ret = 1;
1097
1098         end:
1099
1100         sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1101
1102         return ret;
1103 }
1104                 
1105                 
1106                         
1107
1108 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1109 {
1110         STACK_OF(CONF_VALUE) *vals;
1111         CONF_VALUE *val;
1112         int i, ret = 1;
1113         if(!arg) return 0;
1114         vals = X509V3_parse_list(arg);
1115         for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1116                 val = sk_CONF_VALUE_value(vals, i);
1117                 if (!set_table_opts(flags, val->name, in_tbl))
1118                         ret = 0;
1119         }
1120         sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1121         return ret;
1122 }
1123
1124 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1125 {
1126         char c;
1127         const NAME_EX_TBL *ptbl;
1128         c = arg[0];
1129
1130         if(c == '-') {
1131                 c = 0;
1132                 arg++;
1133         } else if (c == '+') {
1134                 c = 1;
1135                 arg++;
1136         } else c = 1;
1137
1138         for(ptbl = in_tbl; ptbl->name; ptbl++) {
1139                 if(!strcasecmp(arg, ptbl->name)) {
1140                         *flags &= ~ptbl->mask;
1141                         if(c) *flags |= ptbl->flag;
1142                         else *flags &= ~ptbl->flag;
1143                         return 1;
1144                 }
1145         }
1146         return 0;
1147 }
1148
1149 void print_name(BIO *out, char *title, X509_NAME *nm, unsigned long lflags)
1150 {
1151         char buf[256];
1152         char mline = 0;
1153         int indent = 0;
1154         if(title) BIO_puts(out, title);
1155         if((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1156                 mline = 1;
1157                 indent = 4;
1158         }
1159         if(lflags == XN_FLAG_COMPAT) {
1160                 X509_NAME_oneline(nm,buf,256);
1161                 BIO_puts(out,buf);
1162                 BIO_puts(out, "\n");
1163         } else {
1164                 if(mline) BIO_puts(out, "\n");
1165                 X509_NAME_print_ex(out, nm, indent, lflags);
1166                 BIO_puts(out, "\n");
1167         }
1168 }
1169
1170 X509_STORE *setup_verify(BIO *bp, char *CAfile, char *CApath)
1171 {
1172         X509_STORE *store;
1173         X509_LOOKUP *lookup;
1174         if(!(store = X509_STORE_new())) goto end;
1175         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file());
1176         if (lookup == NULL) goto end;
1177         if (CAfile) {
1178                 if(!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) {
1179                         BIO_printf(bp, "Error loading file %s\n", CAfile);
1180                         goto end;
1181                 }
1182         } else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
1183                 
1184         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir());
1185         if (lookup == NULL) goto end;
1186         if (CApath) {
1187                 if(!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) {
1188                         BIO_printf(bp, "Error loading directory %s\n", CApath);
1189                         goto end;
1190                 }
1191         } else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
1192
1193         ERR_clear_error();
1194         return store;
1195         end:
1196         X509_STORE_free(store);
1197         return NULL;
1198 }
1199
1200 /* Try to load an engine in a shareable library */
1201 ENGINE *try_load_engine(BIO *err, const char *engine, int debug)
1202         {
1203         ENGINE *e = ENGINE_by_id("dynamic");
1204         if (e)
1205                 {
1206                 if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
1207                         || !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0))
1208                         {
1209                         ENGINE_free(e);
1210                         e = NULL;
1211                         }
1212                 }
1213         return e;
1214         }
1215
1216 ENGINE *setup_engine(BIO *err, const char *engine, int debug)
1217         {
1218         ENGINE *e = NULL;
1219
1220         if (engine)
1221                 {
1222                 if(strcmp(engine, "auto") == 0)
1223                         {
1224                         BIO_printf(err,"enabling auto ENGINE support\n");
1225                         ENGINE_register_all_complete();
1226                         return NULL;
1227                         }
1228                 if((e = ENGINE_by_id(engine)) == NULL
1229                         && (e = try_load_engine(err, engine, debug)) == NULL)
1230                         {
1231                         BIO_printf(err,"invalid engine \"%s\"\n", engine);
1232                         ERR_print_errors(err);
1233                         return NULL;
1234                         }
1235                 if (debug)
1236                         {
1237                         ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM,
1238                                 0, err, 0);
1239                         }
1240                 ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
1241                 if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
1242                         {
1243                         BIO_printf(err,"can't use that engine\n");
1244                         ERR_print_errors(err);
1245                         ENGINE_free(e);
1246                         return NULL;
1247                         }
1248
1249                 BIO_printf(err,"engine \"%s\" set.\n", ENGINE_get_id(e));
1250
1251                 /* Free our "structural" reference. */
1252                 ENGINE_free(e);
1253                 }
1254         return e;
1255         }