2d2fb38858a544c940928b4ed983972321bc82fd
[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 #include <stdio.h>
60 #include <stdlib.h>
61 #include <string.h>
62 #include <sys/types.h>
63 #include <sys/stat.h>
64 #define NON_MAIN
65 #include "apps.h"
66 #undef NON_MAIN
67 #include <openssl/err.h>
68 #include <openssl/x509.h>
69 #include <openssl/x509v3.h>
70 #include <openssl/pem.h>
71 #include <openssl/pkcs12.h>
72 #include <openssl/ui.h>
73 #include <openssl/safestack.h>
74
75 #ifdef OPENSSL_SYS_WINDOWS
76 #define strcasecmp _stricmp
77 #else
78 #include <strings.h>
79 #endif
80
81 #ifdef OPENSSL_SYS_WINDOWS
82 #  include "bss_file.c"
83 #endif
84
85 typedef struct {
86         char *name;
87         unsigned long flag;
88         unsigned long mask;
89 } NAME_EX_TBL;
90
91 static UI_METHOD *ui_method = NULL;
92
93 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
94 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
95
96 int app_init(long mesgwin);
97 #ifdef undef /* never finished - probably never will be :-) */
98 int args_from_file(char *file, int *argc, char **argv[])
99         {
100         FILE *fp;
101         int num,i;
102         unsigned int len;
103         static char *buf=NULL;
104         static char **arg=NULL;
105         char *p;
106         struct stat stbuf;
107
108         if (stat(file,&stbuf) < 0) return(0);
109
110         fp=fopen(file,"r");
111         if (fp == NULL)
112                 return(0);
113
114         *argc=0;
115         *argv=NULL;
116
117         len=(unsigned int)stbuf.st_size;
118         if (buf != NULL) OPENSSL_free(buf);
119         buf=(char *)OPENSSL_malloc(len+1);
120         if (buf == NULL) return(0);
121
122         len=fread(buf,1,len,fp);
123         if (len <= 1) return(0);
124         buf[len]='\0';
125
126         i=0;
127         for (p=buf; *p; p++)
128                 if (*p == '\n') i++;
129         if (arg != NULL) OPENSSL_free(arg);
130         arg=(char **)OPENSSL_malloc(sizeof(char *)*(i*2));
131
132         *argv=arg;
133         num=0;
134         p=buf;
135         for (;;)
136                 {
137                 if (!*p) break;
138                 if (*p == '#') /* comment line */
139                         {
140                         while (*p && (*p != '\n')) p++;
141                         continue;
142                         }
143                 /* else we have a line */
144                 *(arg++)=p;
145                 num++;
146                 while (*p && ((*p != ' ') && (*p != '\t') && (*p != '\n')))
147                         p++;
148                 if (!*p) break;
149                 if (*p == '\n')
150                         {
151                         *(p++)='\0';
152                         continue;
153                         }
154                 /* else it is a tab or space */
155                 p++;
156                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
157                         p++;
158                 if (!*p) break;
159                 if (*p == '\n')
160                         {
161                         p++;
162                         continue;
163                         }
164                 *(arg++)=p++;
165                 num++;
166                 while (*p && (*p != '\n')) p++;
167                 if (!*p) break;
168                 /* else *p == '\n' */
169                 *(p++)='\0';
170                 }
171         *argc=num;
172         return(1);
173         }
174 #endif
175
176 int str2fmt(char *s)
177         {
178         if      ((*s == 'D') || (*s == 'd'))
179                 return(FORMAT_ASN1);
180         else if ((*s == 'T') || (*s == 't'))
181                 return(FORMAT_TEXT);
182         else if ((*s == 'P') || (*s == 'p'))
183                 return(FORMAT_PEM);
184         else if ((*s == 'N') || (*s == 'n'))
185                 return(FORMAT_NETSCAPE);
186         else if ((*s == 'S') || (*s == 's'))
187                 return(FORMAT_SMIME);
188         else if ((*s == '1')
189                 || (strcmp(s,"PKCS12") == 0) || (strcmp(s,"pkcs12") == 0)
190                 || (strcmp(s,"P12") == 0) || (strcmp(s,"p12") == 0))
191                 return(FORMAT_PKCS12);
192         else if ((*s == 'E') || (*s == 'e'))
193                 return(FORMAT_ENGINE);
194         else
195                 return(FORMAT_UNDEF);
196         }
197
198 #if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16)
199 void program_name(char *in, char *out, int size)
200         {
201         int i,n;
202         char *p=NULL;
203
204         n=strlen(in);
205         /* find the last '/', '\' or ':' */
206         for (i=n-1; i>0; i--)
207                 {
208                 if ((in[i] == '/') || (in[i] == '\\') || (in[i] == ':'))
209                         {
210                         p= &(in[i+1]);
211                         break;
212                         }
213                 }
214         if (p == NULL)
215                 p=in;
216         n=strlen(p);
217         /* strip off trailing .exe if present. */
218         if ((n > 4) && (p[n-4] == '.') &&
219                 ((p[n-3] == 'e') || (p[n-3] == 'E')) &&
220                 ((p[n-2] == 'x') || (p[n-2] == 'X')) &&
221                 ((p[n-1] == 'e') || (p[n-1] == 'E')))
222                 n-=4;
223         if (n > size-1)
224                 n=size-1;
225
226         for (i=0; i<n; i++)
227                 {
228                 if ((p[i] >= 'A') && (p[i] <= 'Z'))
229                         out[i]=p[i]-'A'+'a';
230                 else
231                         out[i]=p[i];
232                 }
233         out[n]='\0';
234         }
235 #else
236 #ifdef OPENSSL_SYS_VMS
237 void program_name(char *in, char *out, int size)
238         {
239         char *p=in, *q;
240         char *chars=":]>";
241
242         while(*chars != '\0')
243                 {
244                 q=strrchr(p,*chars);
245                 if (q > p)
246                         p = q + 1;
247                 chars++;
248                 }
249
250         q=strrchr(p,'.');
251         if (q == NULL)
252                 q = in+size;
253         strncpy(out,p,q-p);
254         out[q-p]='\0';
255         }
256 #else
257 void program_name(char *in, char *out, int size)
258         {
259         char *p;
260
261         p=strrchr(in,'/');
262         if (p != NULL)
263                 p++;
264         else
265                 p=in;
266         strncpy(out,p,size-1);
267         out[size-1]='\0';
268         }
269 #endif
270 #endif
271
272 #ifdef OPENSSL_SYS_WIN32
273 int WIN32_rename(char *from, char *to)
274         {
275 #ifdef OPENSSL_SYS_WINNT
276         int ret;
277 /* Note: MoveFileEx() doesn't work under Win95, Win98 */
278
279         ret=MoveFileEx(from,to,MOVEFILE_REPLACE_EXISTING|MOVEFILE_COPY_ALLOWED);
280         return(ret?0:-1);
281 #else
282         unlink(to);
283         return MoveFile(from, to);
284 #endif
285         }
286 #endif
287
288 int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
289         {
290         int num,len,i;
291         char *p;
292
293         *argc=0;
294         *argv=NULL;
295
296         len=strlen(buf);
297         i=0;
298         if (arg->count == 0)
299                 {
300                 arg->count=20;
301                 arg->data=(char **)OPENSSL_malloc(sizeof(char *)*arg->count);
302                 }
303         for (i=0; i<arg->count; i++)
304                 arg->data[i]=NULL;
305
306         num=0;
307         p=buf;
308         for (;;)
309                 {
310                 /* first scan over white space */
311                 if (!*p) break;
312                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
313                         p++;
314                 if (!*p) break;
315
316                 /* The start of something good :-) */
317                 if (num >= arg->count)
318                         {
319                         arg->count+=20;
320                         arg->data=(char **)OPENSSL_realloc(arg->data,
321                                 sizeof(char *)*arg->count);
322                         if (argc == 0) return(0);
323                         }
324                 arg->data[num++]=p;
325
326                 /* now look for the end of this */
327                 if ((*p == '\'') || (*p == '\"')) /* scan for closing quote */
328                         {
329                         i= *(p++);
330                         arg->data[num-1]++; /* jump over quote */
331                         while (*p && (*p != i))
332                                 p++;
333                         *p='\0';
334                         }
335                 else
336                         {
337                         while (*p && ((*p != ' ') &&
338                                 (*p != '\t') && (*p != '\n')))
339                                 p++;
340
341                         if (*p == '\0')
342                                 p--;
343                         else
344                                 *p='\0';
345                         }
346                 p++;
347                 }
348         *argc=num;
349         *argv=arg->data;
350         return(1);
351         }
352
353 #ifndef APP_INIT
354 int app_init(long mesgwin)
355         {
356         return(1);
357         }
358 #endif
359
360
361 int dump_cert_text (BIO *out, X509 *x)
362 {
363         char buf[256];
364         X509_NAME_oneline(X509_get_subject_name(x),buf,256);
365         BIO_puts(out,"subject=");
366         BIO_puts(out,buf);
367
368         X509_NAME_oneline(X509_get_issuer_name(x),buf,256);
369         BIO_puts(out,"\nissuer= ");
370         BIO_puts(out,buf);
371         BIO_puts(out,"\n");
372         return 0;
373 }
374
375 static int ui_open(UI *ui)
376         {
377         return UI_method_get_opener(UI_OpenSSL())(ui);
378         }
379 static int ui_read(UI *ui, UI_STRING *uis)
380         {
381         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
382                 && UI_get0_user_data(ui))
383                 {
384                 switch(UI_get_string_type(uis))
385                         {
386                 case UIT_PROMPT:
387                 case UIT_VERIFY:
388                         {
389                         const char *password =
390                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
391                         if (password[0] != '\0')
392                                 {
393                                 UI_set_result(ui, uis, password);
394                                 return 1;
395                                 }
396                         }
397                 default:
398                         break;
399                         }
400                 }
401         return UI_method_get_reader(UI_OpenSSL())(ui, uis);
402         }
403 static int ui_write(UI *ui, UI_STRING *uis)
404         {
405         if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
406                 && UI_get0_user_data(ui))
407                 {
408                 switch(UI_get_string_type(uis))
409                         {
410                 case UIT_PROMPT:
411                 case UIT_VERIFY:
412                         {
413                         const char *password =
414                                 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
415                         if (password[0] != '\0')
416                                 return 1;
417                         }
418                 default:
419                         break;
420                         }
421                 }
422         return UI_method_get_writer(UI_OpenSSL())(ui, uis);
423         }
424 static int ui_close(UI *ui)
425         {
426         return UI_method_get_closer(UI_OpenSSL())(ui);
427         }
428 int setup_ui_method()
429         {
430         ui_method = UI_create_method("OpenSSL application user interface");
431         UI_method_set_opener(ui_method, ui_open);
432         UI_method_set_reader(ui_method, ui_read);
433         UI_method_set_writer(ui_method, ui_write);
434         UI_method_set_closer(ui_method, ui_close);
435         return 0;
436         }
437 void destroy_ui_method()
438         {
439         if(ui_method)
440                 {
441                 UI_destroy_method(ui_method);
442                 ui_method = NULL;
443                 }
444         }
445 int password_callback(char *buf, int bufsiz, int verify,
446         PW_CB_DATA *cb_tmp)
447         {
448         UI *ui = NULL;
449         int res = 0;
450         const char *prompt_info = NULL;
451         const char *password = NULL;
452         PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp;
453
454         if (cb_data)
455                 {
456                 if (cb_data->password)
457                         password = cb_data->password;
458                 if (cb_data->prompt_info)
459                         prompt_info = cb_data->prompt_info;
460                 }
461
462         ui = UI_new_method(ui_method);
463         if (ui)
464                 {
465                 int ok = 0;
466                 char *buff = NULL;
467                 int ui_flags = 0;
468                 char *prompt = NULL;
469
470                 prompt = UI_construct_prompt(ui, "pass phrase",
471                         cb_data->prompt_info);
472
473                 ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
474                 UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
475
476                 if (ok >= 0)
477                         ok = UI_add_input_string(ui,prompt,ui_flags,buf,
478                                 PW_MIN_LENGTH,BUFSIZ-1);
479                 if (ok >= 0 && verify)
480                         {
481                         buff = (char *)OPENSSL_malloc(bufsiz);
482                         ok = UI_add_verify_string(ui,prompt,ui_flags,buff,
483                                 PW_MIN_LENGTH,BUFSIZ-1, buf);
484                         }
485                 if (ok >= 0)
486                         do
487                                 {
488                                 ok = UI_process(ui);
489                                 }
490                         while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
491
492                 if (buff)
493                         {
494                         memset(buff,0,(unsigned int)bufsiz);
495                         OPENSSL_free(buff);
496                         }
497
498                 if (ok >= 0)
499                         res = strlen(buf);
500                 if (ok == -1)
501                         {
502                         BIO_printf(bio_err, "User interface error\n");
503                         ERR_print_errors(bio_err);
504                         memset(buf,0,(unsigned int)bufsiz);
505                         res = 0;
506                         }
507                 if (ok == -2)
508                         {
509                         BIO_printf(bio_err,"aborted!\n");
510                         memset(buf,0,(unsigned int)bufsiz);
511                         res = 0;
512                         }
513                 UI_free(ui);
514                 OPENSSL_free(prompt);
515                 }
516         return res;
517         }
518
519 static char *app_get_pass(BIO *err, char *arg, int keepbio);
520
521 int app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2)
522 {
523         int same;
524         if(!arg2 || !arg1 || strcmp(arg1, arg2)) same = 0;
525         else same = 1;
526         if(arg1) {
527                 *pass1 = app_get_pass(err, arg1, same);
528                 if(!*pass1) return 0;
529         } else if(pass1) *pass1 = NULL;
530         if(arg2) {
531                 *pass2 = app_get_pass(err, arg2, same ? 2 : 0);
532                 if(!*pass2) return 0;
533         } else if(pass2) *pass2 = NULL;
534         return 1;
535 }
536
537 static char *app_get_pass(BIO *err, char *arg, int keepbio)
538 {
539         char *tmp, tpass[APP_PASS_LEN];
540         static BIO *pwdbio = NULL;
541         int i;
542         if(!strncmp(arg, "pass:", 5)) return BUF_strdup(arg + 5);
543         if(!strncmp(arg, "env:", 4)) {
544                 tmp = getenv(arg + 4);
545                 if(!tmp) {
546                         BIO_printf(err, "Can't read environment variable %s\n", arg + 4);
547                         return NULL;
548                 }
549                 return BUF_strdup(tmp);
550         }
551         if(!keepbio || !pwdbio) {
552                 if(!strncmp(arg, "file:", 5)) {
553                         pwdbio = BIO_new_file(arg + 5, "r");
554                         if(!pwdbio) {
555                                 BIO_printf(err, "Can't open file %s\n", arg + 5);
556                                 return NULL;
557                         }
558                 } else if(!strncmp(arg, "fd:", 3)) {
559                         BIO *btmp;
560                         i = atoi(arg + 3);
561                         if(i >= 0) pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
562                         if((i < 0) || !pwdbio) {
563                                 BIO_printf(err, "Can't access file descriptor %s\n", arg + 3);
564                                 return NULL;
565                         }
566                         /* Can't do BIO_gets on an fd BIO so add a buffering BIO */
567                         btmp = BIO_new(BIO_f_buffer());
568                         pwdbio = BIO_push(btmp, pwdbio);
569                 } else if(!strcmp(arg, "stdin")) {
570                         pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE);
571                         if(!pwdbio) {
572                                 BIO_printf(err, "Can't open BIO for stdin\n");
573                                 return NULL;
574                         }
575                 } else {
576                         BIO_printf(err, "Invalid password argument \"%s\"\n", arg);
577                         return NULL;
578                 }
579         }
580         i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
581         if(keepbio != 1) {
582                 BIO_free_all(pwdbio);
583                 pwdbio = NULL;
584         }
585         if(i <= 0) {
586                 BIO_printf(err, "Error reading password from BIO\n");
587                 return NULL;
588         }
589         tmp = strchr(tpass, '\n');
590         if(tmp) *tmp = 0;
591         return BUF_strdup(tpass);
592 }
593
594 int add_oid_section(BIO *err, CONF *conf)
595 {       
596         char *p;
597         STACK_OF(CONF_VALUE) *sktmp;
598         CONF_VALUE *cnf;
599         int i;
600         if(!(p=NCONF_get_string(conf,NULL,"oid_section")))
601                 {
602                 ERR_clear_error();
603                 return 1;
604                 }
605         if(!(sktmp = NCONF_get_section(conf, p))) {
606                 BIO_printf(err, "problem loading oid section %s\n", p);
607                 return 0;
608         }
609         for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
610                 cnf = sk_CONF_VALUE_value(sktmp, i);
611                 if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
612                         BIO_printf(err, "problem creating object %s=%s\n",
613                                                          cnf->name, cnf->value);
614                         return 0;
615                 }
616         }
617         return 1;
618 }
619
620 X509 *load_cert(BIO *err, const char *file, int format,
621         const char *pass, ENGINE *e, const char *cert_descrip)
622         {
623         ASN1_HEADER *ah=NULL;
624         BUF_MEM *buf=NULL;
625         X509 *x=NULL;
626         BIO *cert;
627
628         if ((cert=BIO_new(BIO_s_file())) == NULL)
629                 {
630                 ERR_print_errors(err);
631                 goto end;
632                 }
633
634         if (file == NULL)
635                 {
636                 setvbuf(stdin, NULL, _IONBF, 0);
637                 BIO_set_fp(cert,stdin,BIO_NOCLOSE);
638                 }
639         else
640                 {
641                 if (BIO_read_filename(cert,file) <= 0)
642                         {
643                         BIO_printf(err, "Error opening %s %s\n",
644                                 cert_descrip, file);
645                         ERR_print_errors(err);
646                         goto end;
647                         }
648                 }
649
650         if      (format == FORMAT_ASN1)
651                 x=d2i_X509_bio(cert,NULL);
652         else if (format == FORMAT_NETSCAPE)
653                 {
654                 unsigned char *p,*op;
655                 int size=0,i;
656
657                 /* We sort of have to do it this way because it is sort of nice
658                  * to read the header first and check it, then
659                  * try to read the certificate */
660                 buf=BUF_MEM_new();
661                 for (;;)
662                         {
663                         if ((buf == NULL) || (!BUF_MEM_grow(buf,size+1024*10)))
664                                 goto end;
665                         i=BIO_read(cert,&(buf->data[size]),1024*10);
666                         size+=i;
667                         if (i == 0) break;
668                         if (i < 0)
669                                 {
670                                 perror("reading certificate");
671                                 goto end;
672                                 }
673                         }
674                 p=(unsigned char *)buf->data;
675                 op=p;
676
677                 /* First load the header */
678                 if ((ah=d2i_ASN1_HEADER(NULL,&p,(long)size)) == NULL)
679                         goto end;
680                 if ((ah->header == NULL) || (ah->header->data == NULL) ||
681                         (strncmp(NETSCAPE_CERT_HDR,(char *)ah->header->data,
682                         ah->header->length) != 0))
683                         {
684                         BIO_printf(err,"Error reading header on certificate\n");
685                         goto end;
686                         }
687                 /* header is ok, so now read the object */
688                 p=op;
689                 ah->meth=X509_asn1_meth();
690                 if ((ah=d2i_ASN1_HEADER(&ah,&p,(long)size)) == NULL)
691                         goto end;
692                 x=(X509 *)ah->data;
693                 ah->data=NULL;
694                 }
695         else if (format == FORMAT_PEM)
696                 x=PEM_read_bio_X509_AUX(cert,NULL,
697                         (pem_password_cb *)password_callback, NULL);
698         else if (format == FORMAT_PKCS12)
699                 {
700                 PKCS12 *p12 = d2i_PKCS12_bio(cert, NULL);
701
702                 PKCS12_parse(p12, NULL, NULL, &x, NULL);
703                 PKCS12_free(p12);
704                 p12 = NULL;
705                 }
706         else    {
707                 BIO_printf(err,"bad input format specified for %s\n",
708                         cert_descrip);
709                 goto end;
710                 }
711 end:
712         if (x == NULL)
713                 {
714                 BIO_printf(err,"unable to load certificate\n");
715                 ERR_print_errors(err);
716                 }
717         if (ah != NULL) ASN1_HEADER_free(ah);
718         if (cert != NULL) BIO_free(cert);
719         if (buf != NULL) BUF_MEM_free(buf);
720         return(x);
721         }
722
723 EVP_PKEY *load_key(BIO *err, const char *file, int format,
724         const char *pass, ENGINE *e, const char *key_descrip)
725         {
726         BIO *key=NULL;
727         EVP_PKEY *pkey=NULL;
728         PW_CB_DATA cb_data;
729
730         cb_data.password = pass;
731         cb_data.prompt_info = file;
732
733         if (file == NULL)
734                 {
735                 BIO_printf(err,"no keyfile specified\n");
736                 goto end;
737                 }
738         if (format == FORMAT_ENGINE)
739                 {
740                 if (!e)
741                         BIO_printf(bio_err,"no engine specified\n");
742                 else
743                         pkey = ENGINE_load_private_key(e, file,
744                                 ui_method, &cb_data);
745                 goto end;
746                 }
747         key=BIO_new(BIO_s_file());
748         if (key == NULL)
749                 {
750                 ERR_print_errors(err);
751                 goto end;
752                 }
753         if (BIO_read_filename(key,file) <= 0)
754                 {
755                 BIO_printf(err, "Error opening %s %s\n", key_descrip, file);
756                 ERR_print_errors(err);
757                 goto end;
758                 }
759         if (format == FORMAT_ASN1)
760                 {
761                 pkey=d2i_PrivateKey_bio(key, NULL);
762                 }
763         else if (format == FORMAT_PEM)
764                 {
765                 pkey=PEM_read_bio_PrivateKey(key,NULL,
766                         (pem_password_cb *)password_callback, &cb_data);
767                 }
768         else if (format == FORMAT_PKCS12)
769                 {
770                 PKCS12 *p12 = d2i_PKCS12_bio(key, NULL);
771
772                 PKCS12_parse(p12, pass, &pkey, NULL, NULL);
773                 PKCS12_free(p12);
774                 p12 = NULL;
775                 }
776         else
777                 {
778                 BIO_printf(err,"bad input format specified for key file\n");
779                 goto end;
780                 }
781  end:
782         if (key != NULL) BIO_free(key);
783         if (pkey == NULL)
784                 BIO_printf(err,"unable to load %s\n", key_descrip);
785         return(pkey);
786         }
787
788 EVP_PKEY *load_pubkey(BIO *err, const char *file, int format,
789         const char *pass, ENGINE *e, const char *key_descrip)
790         {
791         BIO *key=NULL;
792         EVP_PKEY *pkey=NULL;
793         PW_CB_DATA cb_data;
794
795         cb_data.password = pass;
796         cb_data.prompt_info = file;
797
798         if (file == NULL)
799                 {
800                 BIO_printf(err,"no keyfile specified\n");
801                 goto end;
802                 }
803         if (format == FORMAT_ENGINE)
804                 {
805                 if (!e)
806                         BIO_printf(bio_err,"no engine specified\n");
807                 else
808                         pkey = ENGINE_load_public_key(e, file,
809                                 ui_method, &cb_data);
810                 goto end;
811                 }
812         key=BIO_new(BIO_s_file());
813         if (key == NULL)
814                 {
815                 ERR_print_errors(err);
816                 goto end;
817                 }
818         if (BIO_read_filename(key,file) <= 0)
819                 {
820                 BIO_printf(err, "Error opening %s %s\n", key_descrip, file);
821                 ERR_print_errors(err);
822                 goto end;
823                 }
824         if (format == FORMAT_ASN1)
825                 {
826                 pkey=d2i_PUBKEY_bio(key, NULL);
827                 }
828         else if (format == FORMAT_PEM)
829                 {
830                 pkey=PEM_read_bio_PUBKEY(key,NULL,
831                         (pem_password_cb *)password_callback, &cb_data);
832                 }
833         else
834                 {
835                 BIO_printf(err,"bad input format specified for key file\n");
836                 goto end;
837                 }
838  end:
839         if (key != NULL) BIO_free(key);
840         if (pkey == NULL)
841                 BIO_printf(err,"unable to load %s\n", key_descrip);
842         return(pkey);
843         }
844
845 STACK_OF(X509) *load_certs(BIO *err, const char *file, int format,
846         const char *pass, ENGINE *e, const char *cert_descrip)
847         {
848         BIO *certs;
849         int i;
850         STACK_OF(X509) *othercerts = NULL;
851         STACK_OF(X509_INFO) *allcerts = NULL;
852         X509_INFO *xi;
853         PW_CB_DATA cb_data;
854
855         cb_data.password = pass;
856         cb_data.prompt_info = file;
857
858         if((certs = BIO_new(BIO_s_file())) == NULL)
859                 {
860                 ERR_print_errors(err);
861                 goto end;
862                 }
863
864         if (file == NULL)
865                 BIO_set_fp(certs,stdin,BIO_NOCLOSE);
866         else
867                 {
868                 if (BIO_read_filename(certs,file) <= 0)
869                         {
870                         BIO_printf(err, "Error opening %s %s\n",
871                                 cert_descrip, file);
872                         ERR_print_errors(err);
873                         goto end;
874                         }
875                 }
876
877         if      (format == FORMAT_PEM)
878                 {
879                 othercerts = sk_X509_new_null();
880                 if(!othercerts)
881                         {
882                         sk_X509_free(othercerts);
883                         othercerts = NULL;
884                         goto end;
885                         }
886                 allcerts = PEM_X509_INFO_read_bio(certs, NULL,
887                                 (pem_password_cb *)password_callback, &cb_data);
888                 for(i = 0; i < sk_X509_INFO_num(allcerts); i++)
889                         {
890                         xi = sk_X509_INFO_value (allcerts, i);
891                         if (xi->x509)
892                                 {
893                                 sk_X509_push(othercerts, xi->x509);
894                                 xi->x509 = NULL;
895                                 }
896                         }
897                 goto end;
898                 }
899         else    {
900                 BIO_printf(err,"bad input format specified for %s\n",
901                         cert_descrip);
902                 goto end;
903                 }
904 end:
905         if (othercerts == NULL)
906                 {
907                 BIO_printf(err,"unable to load certificates\n");
908                 ERR_print_errors(err);
909                 }
910         if (allcerts) sk_X509_INFO_pop_free(allcerts, X509_INFO_free);
911         if (certs != NULL) BIO_free(certs);
912         return(othercerts);
913         }
914
915
916 #define X509V3_EXT_UNKNOWN_MASK         (0xfL << 16)
917 /* Return error for unknown extensions */
918 #define X509V3_EXT_DEFAULT              0
919 /* Print error for unknown extensions */
920 #define X509V3_EXT_ERROR_UNKNOWN        (1L << 16)
921 /* ASN1 parse unknown extensions */
922 #define X509V3_EXT_PARSE_UNKNOWN        (2L << 16)
923 /* BIO_dump unknown extensions */
924 #define X509V3_EXT_DUMP_UNKNOWN         (3L << 16)
925
926 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
927                          X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
928
929 int set_cert_ex(unsigned long *flags, const char *arg)
930 {
931         static const NAME_EX_TBL cert_tbl[] = {
932                 { "compatible", X509_FLAG_COMPAT, 0xffffffffl},
933                 { "ca_default", X509_FLAG_CA, 0xffffffffl},
934                 { "no_header", X509_FLAG_NO_HEADER, 0},
935                 { "no_version", X509_FLAG_NO_VERSION, 0},
936                 { "no_serial", X509_FLAG_NO_SERIAL, 0},
937                 { "no_signame", X509_FLAG_NO_SIGNAME, 0},
938                 { "no_validity", X509_FLAG_NO_VALIDITY, 0},
939                 { "no_subject", X509_FLAG_NO_SUBJECT, 0},
940                 { "no_issuer", X509_FLAG_NO_ISSUER, 0},
941                 { "no_pubkey", X509_FLAG_NO_PUBKEY, 0},
942                 { "no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
943                 { "no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
944                 { "no_aux", X509_FLAG_NO_AUX, 0},
945                 { "ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
946                 { "ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
947                 { "ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
948                 { "ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
949                 { NULL, 0, 0}
950         };
951         return set_multi_opts(flags, arg, cert_tbl);
952 }
953
954 int set_name_ex(unsigned long *flags, const char *arg)
955 {
956         static const NAME_EX_TBL ex_tbl[] = {
957                 { "esc_2253", ASN1_STRFLGS_ESC_2253, 0},
958                 { "esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
959                 { "esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
960                 { "use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
961                 { "utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
962                 { "ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
963                 { "show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
964                 { "dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
965                 { "dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
966                 { "dump_der", ASN1_STRFLGS_DUMP_DER, 0},
967                 { "compat", XN_FLAG_COMPAT, 0xffffffffL},
968                 { "sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
969                 { "sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
970                 { "sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
971                 { "sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
972                 { "dn_rev", XN_FLAG_DN_REV, 0},
973                 { "nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
974                 { "sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
975                 { "lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
976                 { "align", XN_FLAG_FN_ALIGN, 0},
977                 { "oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
978                 { "space_eq", XN_FLAG_SPC_EQ, 0},
979                 { "dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
980                 { "RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
981                 { "oneline", XN_FLAG_ONELINE, 0xffffffffL},
982                 { "multiline", XN_FLAG_MULTILINE, 0xffffffffL},
983                 { "ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
984                 { NULL, 0, 0}
985         };
986         return set_multi_opts(flags, arg, ex_tbl);
987 }
988
989 int set_ext_copy(int *copy_type, const char *arg)
990 {
991         if (!strcasecmp(arg, "none"))
992                 *copy_type = EXT_COPY_NONE;
993         else if (!strcasecmp(arg, "copy"))
994                 *copy_type = EXT_COPY_ADD;
995         else if (!strcasecmp(arg, "copyall"))
996                 *copy_type = EXT_COPY_ALL;
997         else
998                 return 0;
999         return 1;
1000 }
1001
1002 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1003 {
1004         STACK_OF(X509_EXTENSION) *exts = NULL;
1005         X509_EXTENSION *ext, *tmpext;
1006         ASN1_OBJECT *obj;
1007         int i, idx, ret = 0;
1008         if (!x || !req || (copy_type == EXT_COPY_NONE))
1009                 return 1;
1010         exts = X509_REQ_get_extensions(req);
1011
1012         for(i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1013                 ext = sk_X509_EXTENSION_value(exts, i);
1014                 obj = X509_EXTENSION_get_object(ext);
1015                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1016                 /* Does extension exist? */
1017                 if (idx != -1) {
1018                         /* If normal copy don't override existing extension */
1019                         if (copy_type == EXT_COPY_ADD)
1020                                 continue;
1021                         /* Delete all extensions of same type */
1022                         do {
1023                                 tmpext = X509_get_ext(x, idx);
1024                                 X509_delete_ext(x, idx);
1025                                 X509_EXTENSION_free(tmpext);
1026                                 idx = X509_get_ext_by_OBJ(x, obj, -1);
1027                         } while (idx != -1);
1028                 }
1029                 if (!X509_add_ext(x, ext, -1))
1030                         goto end;
1031         }
1032
1033         ret = 1;
1034
1035         end:
1036
1037         sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1038
1039         return ret;
1040 }
1041                 
1042                 
1043                         
1044
1045 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1046 {
1047         STACK_OF(CONF_VALUE) *vals;
1048         CONF_VALUE *val;
1049         int i, ret = 1;
1050         if(!arg) return 0;
1051         vals = X509V3_parse_list(arg);
1052         for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1053                 val = sk_CONF_VALUE_value(vals, i);
1054                 if (!set_table_opts(flags, val->name, in_tbl))
1055                         ret = 0;
1056         }
1057         sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1058         return ret;
1059 }
1060
1061 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
1062 {
1063         char c;
1064         const NAME_EX_TBL *ptbl;
1065         c = arg[0];
1066
1067         if(c == '-') {
1068                 c = 0;
1069                 arg++;
1070         } else if (c == '+') {
1071                 c = 1;
1072                 arg++;
1073         } else c = 1;
1074
1075         for(ptbl = in_tbl; ptbl->name; ptbl++) {
1076                 if(!strcasecmp(arg, ptbl->name)) {
1077                         *flags &= ~ptbl->mask;
1078                         if(c) *flags |= ptbl->flag;
1079                         else *flags &= ~ptbl->flag;
1080                         return 1;
1081                 }
1082         }
1083         return 0;
1084 }
1085
1086 void print_name(BIO *out, char *title, X509_NAME *nm, unsigned long lflags)
1087 {
1088         char buf[256];
1089         char mline = 0;
1090         int indent = 0;
1091         if(title) BIO_puts(out, title);
1092         if((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1093                 mline = 1;
1094                 indent = 4;
1095         }
1096         if(lflags == XN_FLAG_COMPAT) {
1097                 X509_NAME_oneline(nm,buf,256);
1098                 BIO_puts(out,buf);
1099                 BIO_puts(out, "\n");
1100         } else {
1101                 if(mline) BIO_puts(out, "\n");
1102                 X509_NAME_print_ex(out, nm, indent, lflags);
1103                 BIO_puts(out, "\n");
1104         }
1105 }
1106
1107 X509_STORE *setup_verify(BIO *bp, char *CAfile, char *CApath)
1108 {
1109         X509_STORE *store;
1110         X509_LOOKUP *lookup;
1111         if(!(store = X509_STORE_new())) goto end;
1112         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file());
1113         if (lookup == NULL) goto end;
1114         if (CAfile) {
1115                 if(!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) {
1116                         BIO_printf(bp, "Error loading file %s\n", CAfile);
1117                         goto end;
1118                 }
1119         } else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
1120                 
1121         lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir());
1122         if (lookup == NULL) goto end;
1123         if (CApath) {
1124                 if(!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) {
1125                         BIO_printf(bp, "Error loading directory %s\n", CApath);
1126                         goto end;
1127                 }
1128         } else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
1129
1130         ERR_clear_error();
1131         return store;
1132         end:
1133         X509_STORE_free(store);
1134         return NULL;
1135 }
1136
1137 ENGINE *setup_engine(BIO *err, const char *engine, int debug)
1138         {
1139         ENGINE *e = NULL;
1140
1141         if (engine)
1142                 {
1143                 if((e = ENGINE_by_id(engine)) == NULL)
1144                         {
1145                         BIO_printf(err,"invalid engine \"%s\"\n", engine);
1146                         return NULL;
1147                         }
1148                 if (debug)
1149                         {
1150                         ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM,
1151                                 0, err, 0);
1152                         }
1153                 ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
1154                 if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
1155                         {
1156                         BIO_printf(err,"can't use that engine\n");
1157                         return NULL;
1158                         }
1159                 BIO_printf(err,"engine \"%s\" set.\n", engine);
1160                 /* Free our "structural" reference. */
1161                 ENGINE_free(e);
1162                 }
1163         return e;
1164         }