If CONF_get_string returns NULL and we want to tolerate this
[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/pem.h>
70 #include <openssl/pkcs12.h>
71 #include <openssl/safestack.h>
72
73 #ifdef WINDOWS
74 #  include "bss_file.c"
75 #endif
76
77 typedef struct {
78         char *name;
79         unsigned long flag;
80         unsigned long mask;
81 } NAME_EX_TBL;
82
83 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl);
84
85 int app_init(long mesgwin);
86 #ifdef undef /* never finished - probably never will be :-) */
87 int args_from_file(char *file, int *argc, char **argv[])
88         {
89         FILE *fp;
90         int num,i;
91         unsigned int len;
92         static char *buf=NULL;
93         static char **arg=NULL;
94         char *p;
95         struct stat stbuf;
96
97         if (stat(file,&stbuf) < 0) return(0);
98
99         fp=fopen(file,"r");
100         if (fp == NULL)
101                 return(0);
102
103         *argc=0;
104         *argv=NULL;
105
106         len=(unsigned int)stbuf.st_size;
107         if (buf != NULL) OPENSSL_free(buf);
108         buf=(char *)OPENSSL_malloc(len+1);
109         if (buf == NULL) return(0);
110
111         len=fread(buf,1,len,fp);
112         if (len <= 1) return(0);
113         buf[len]='\0';
114
115         i=0;
116         for (p=buf; *p; p++)
117                 if (*p == '\n') i++;
118         if (arg != NULL) OPENSSL_free(arg);
119         arg=(char **)OPENSSL_malloc(sizeof(char *)*(i*2));
120
121         *argv=arg;
122         num=0;
123         p=buf;
124         for (;;)
125                 {
126                 if (!*p) break;
127                 if (*p == '#') /* comment line */
128                         {
129                         while (*p && (*p != '\n')) p++;
130                         continue;
131                         }
132                 /* else we have a line */
133                 *(arg++)=p;
134                 num++;
135                 while (*p && ((*p != ' ') && (*p != '\t') && (*p != '\n')))
136                         p++;
137                 if (!*p) break;
138                 if (*p == '\n')
139                         {
140                         *(p++)='\0';
141                         continue;
142                         }
143                 /* else it is a tab or space */
144                 p++;
145                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
146                         p++;
147                 if (!*p) break;
148                 if (*p == '\n')
149                         {
150                         p++;
151                         continue;
152                         }
153                 *(arg++)=p++;
154                 num++;
155                 while (*p && (*p != '\n')) p++;
156                 if (!*p) break;
157                 /* else *p == '\n' */
158                 *(p++)='\0';
159                 }
160         *argc=num;
161         return(1);
162         }
163 #endif
164
165 int str2fmt(char *s)
166         {
167         if      ((*s == 'D') || (*s == 'd'))
168                 return(FORMAT_ASN1);
169         else if ((*s == 'T') || (*s == 't'))
170                 return(FORMAT_TEXT);
171         else if ((*s == 'P') || (*s == 'p'))
172                 return(FORMAT_PEM);
173         else if ((*s == 'N') || (*s == 'n'))
174                 return(FORMAT_NETSCAPE);
175         else if ((*s == 'S') || (*s == 's'))
176                 return(FORMAT_SMIME);
177         else if ((*s == '1')
178                 || (strcmp(s,"PKCS12") == 0) || (strcmp(s,"pkcs12") == 0)
179                 || (strcmp(s,"P12") == 0) || (strcmp(s,"p12") == 0))
180                 return(FORMAT_PKCS12);
181         else if ((*s == 'E') || (*s == 'e'))
182                 return(FORMAT_ENGINE);
183         else
184                 return(FORMAT_UNDEF);
185         }
186
187 #if defined(MSDOS) || defined(WIN32) || defined(WIN16)
188 void program_name(char *in, char *out, int size)
189         {
190         int i,n;
191         char *p=NULL;
192
193         n=strlen(in);
194         /* find the last '/', '\' or ':' */
195         for (i=n-1; i>0; i--)
196                 {
197                 if ((in[i] == '/') || (in[i] == '\\') || (in[i] == ':'))
198                         {
199                         p= &(in[i+1]);
200                         break;
201                         }
202                 }
203         if (p == NULL)
204                 p=in;
205         n=strlen(p);
206         /* strip off trailing .exe if present. */
207         if ((n > 4) && (p[n-4] == '.') &&
208                 ((p[n-3] == 'e') || (p[n-3] == 'E')) &&
209                 ((p[n-2] == 'x') || (p[n-2] == 'X')) &&
210                 ((p[n-1] == 'e') || (p[n-1] == 'E')))
211                 n-=4;
212         if (n > size-1)
213                 n=size-1;
214
215         for (i=0; i<n; i++)
216                 {
217                 if ((p[i] >= 'A') && (p[i] <= 'Z'))
218                         out[i]=p[i]-'A'+'a';
219                 else
220                         out[i]=p[i];
221                 }
222         out[n]='\0';
223         }
224 #else
225 #ifdef VMS
226 void program_name(char *in, char *out, int size)
227         {
228         char *p=in, *q;
229         char *chars=":]>";
230
231         while(*chars != '\0')
232                 {
233                 q=strrchr(p,*chars);
234                 if (q > p)
235                         p = q + 1;
236                 chars++;
237                 }
238
239         q=strrchr(p,'.');
240         if (q == NULL)
241                 q = in+size;
242         strncpy(out,p,q-p);
243         out[q-p]='\0';
244         }
245 #else
246 void program_name(char *in, char *out, int size)
247         {
248         char *p;
249
250         p=strrchr(in,'/');
251         if (p != NULL)
252                 p++;
253         else
254                 p=in;
255         strncpy(out,p,size-1);
256         out[size-1]='\0';
257         }
258 #endif
259 #endif
260
261 #ifdef WIN32
262 int WIN32_rename(char *from, char *to)
263         {
264 #ifdef WINNT
265         int ret;
266 /* Note: MoveFileEx() doesn't work under Win95, Win98 */
267
268         ret=MoveFileEx(from,to,MOVEFILE_REPLACE_EXISTING|MOVEFILE_COPY_ALLOWED);
269         return(ret?0:-1);
270 #else
271         unlink(to);
272         return MoveFile(from, to);
273 #endif
274         }
275 #endif
276
277 int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
278         {
279         int num,len,i;
280         char *p;
281
282         *argc=0;
283         *argv=NULL;
284
285         len=strlen(buf);
286         i=0;
287         if (arg->count == 0)
288                 {
289                 arg->count=20;
290                 arg->data=(char **)OPENSSL_malloc(sizeof(char *)*arg->count);
291                 }
292         for (i=0; i<arg->count; i++)
293                 arg->data[i]=NULL;
294
295         num=0;
296         p=buf;
297         for (;;)
298                 {
299                 /* first scan over white space */
300                 if (!*p) break;
301                 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
302                         p++;
303                 if (!*p) break;
304
305                 /* The start of something good :-) */
306                 if (num >= arg->count)
307                         {
308                         arg->count+=20;
309                         arg->data=(char **)OPENSSL_realloc(arg->data,
310                                 sizeof(char *)*arg->count);
311                         if (argc == 0) return(0);
312                         }
313                 arg->data[num++]=p;
314
315                 /* now look for the end of this */
316                 if ((*p == '\'') || (*p == '\"')) /* scan for closing quote */
317                         {
318                         i= *(p++);
319                         arg->data[num-1]++; /* jump over quote */
320                         while (*p && (*p != i))
321                                 p++;
322                         *p='\0';
323                         }
324                 else
325                         {
326                         while (*p && ((*p != ' ') &&
327                                 (*p != '\t') && (*p != '\n')))
328                                 p++;
329
330                         if (*p == '\0')
331                                 p--;
332                         else
333                                 *p='\0';
334                         }
335                 p++;
336                 }
337         *argc=num;
338         *argv=arg->data;
339         return(1);
340         }
341
342 #ifndef APP_INIT
343 int app_init(long mesgwin)
344         {
345         return(1);
346         }
347 #endif
348
349
350 int dump_cert_text (BIO *out, X509 *x)
351 {
352         char buf[256];
353         X509_NAME_oneline(X509_get_subject_name(x),buf,256);
354         BIO_puts(out,"subject=");
355         BIO_puts(out,buf);
356
357         X509_NAME_oneline(X509_get_issuer_name(x),buf,256);
358         BIO_puts(out,"\nissuer= ");
359         BIO_puts(out,buf);
360         BIO_puts(out,"\n");
361         return 0;
362 }
363
364 static char *app_get_pass(BIO *err, char *arg, int keepbio);
365
366 int app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2)
367 {
368         int same;
369         if(!arg2 || !arg1 || strcmp(arg1, arg2)) same = 0;
370         else same = 1;
371         if(arg1) {
372                 *pass1 = app_get_pass(err, arg1, same);
373                 if(!*pass1) return 0;
374         } else if(pass1) *pass1 = NULL;
375         if(arg2) {
376                 *pass2 = app_get_pass(err, arg2, same ? 2 : 0);
377                 if(!*pass2) return 0;
378         } else if(pass2) *pass2 = NULL;
379         return 1;
380 }
381
382 static char *app_get_pass(BIO *err, char *arg, int keepbio)
383 {
384         char *tmp, tpass[APP_PASS_LEN];
385         static BIO *pwdbio = NULL;
386         int i;
387         if(!strncmp(arg, "pass:", 5)) return BUF_strdup(arg + 5);
388         if(!strncmp(arg, "env:", 4)) {
389                 tmp = getenv(arg + 4);
390                 if(!tmp) {
391                         BIO_printf(err, "Can't read environment variable %s\n", arg + 4);
392                         return NULL;
393                 }
394                 return BUF_strdup(tmp);
395         }
396         if(!keepbio || !pwdbio) {
397                 if(!strncmp(arg, "file:", 5)) {
398                         pwdbio = BIO_new_file(arg + 5, "r");
399                         if(!pwdbio) {
400                                 BIO_printf(err, "Can't open file %s\n", arg + 5);
401                                 return NULL;
402                         }
403                 } else if(!strncmp(arg, "fd:", 3)) {
404                         BIO *btmp;
405                         i = atoi(arg + 3);
406                         if(i >= 0) pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
407                         if((i < 0) || !pwdbio) {
408                                 BIO_printf(err, "Can't access file descriptor %s\n", arg + 3);
409                                 return NULL;
410                         }
411                         /* Can't do BIO_gets on an fd BIO so add a buffering BIO */
412                         btmp = BIO_new(BIO_f_buffer());
413                         pwdbio = BIO_push(btmp, pwdbio);
414                 } else if(!strcmp(arg, "stdin")) {
415                         pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE);
416                         if(!pwdbio) {
417                                 BIO_printf(err, "Can't open BIO for stdin\n");
418                                 return NULL;
419                         }
420                 } else {
421                         BIO_printf(err, "Invalid password argument \"%s\"\n", arg);
422                         return NULL;
423                 }
424         }
425         i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
426         if(keepbio != 1) {
427                 BIO_free_all(pwdbio);
428                 pwdbio = NULL;
429         }
430         if(i <= 0) {
431                 BIO_printf(err, "Error reading password from BIO\n");
432                 return NULL;
433         }
434         tmp = strchr(tpass, '\n');
435         if(tmp) *tmp = 0;
436         return BUF_strdup(tpass);
437 }
438
439 int add_oid_section(BIO *err, LHASH *conf)
440 {       
441         char *p;
442         STACK_OF(CONF_VALUE) *sktmp;
443         CONF_VALUE *cnf;
444         int i;
445         if(!(p=CONF_get_string(conf,NULL,"oid_section")))
446                 {
447                 ERR_clear_error();
448                 return 1;
449                 }
450         if(!(sktmp = CONF_get_section(conf, p))) {
451                 BIO_printf(err, "problem loading oid section %s\n", p);
452                 return 0;
453         }
454         for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
455                 cnf = sk_CONF_VALUE_value(sktmp, i);
456                 if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
457                         BIO_printf(err, "problem creating object %s=%s\n",
458                                                          cnf->name, cnf->value);
459                         return 0;
460                 }
461         }
462         return 1;
463 }
464
465 X509 *load_cert(BIO *err, char *file, int format)
466         {
467         ASN1_HEADER *ah=NULL;
468         BUF_MEM *buf=NULL;
469         X509 *x=NULL;
470         BIO *cert;
471
472         if ((cert=BIO_new(BIO_s_file())) == NULL)
473                 {
474                 ERR_print_errors(err);
475                 goto end;
476                 }
477
478         if (file == NULL)
479                 BIO_set_fp(cert,stdin,BIO_NOCLOSE);
480         else
481                 {
482                 if (BIO_read_filename(cert,file) <= 0)
483                         {
484                         perror(file);
485                         goto end;
486                         }
487                 }
488
489         if      (format == FORMAT_ASN1)
490                 x=d2i_X509_bio(cert,NULL);
491         else if (format == FORMAT_NETSCAPE)
492                 {
493                 unsigned char *p,*op;
494                 int size=0,i;
495
496                 /* We sort of have to do it this way because it is sort of nice
497                  * to read the header first and check it, then
498                  * try to read the certificate */
499                 buf=BUF_MEM_new();
500                 for (;;)
501                         {
502                         if ((buf == NULL) || (!BUF_MEM_grow(buf,size+1024*10)))
503                                 goto end;
504                         i=BIO_read(cert,&(buf->data[size]),1024*10);
505                         size+=i;
506                         if (i == 0) break;
507                         if (i < 0)
508                                 {
509                                 perror("reading certificate");
510                                 goto end;
511                                 }
512                         }
513                 p=(unsigned char *)buf->data;
514                 op=p;
515
516                 /* First load the header */
517                 if ((ah=d2i_ASN1_HEADER(NULL,&p,(long)size)) == NULL)
518                         goto end;
519                 if ((ah->header == NULL) || (ah->header->data == NULL) ||
520                         (strncmp(NETSCAPE_CERT_HDR,(char *)ah->header->data,
521                         ah->header->length) != 0))
522                         {
523                         BIO_printf(err,"Error reading header on certificate\n");
524                         goto end;
525                         }
526                 /* header is ok, so now read the object */
527                 p=op;
528                 ah->meth=X509_asn1_meth();
529                 if ((ah=d2i_ASN1_HEADER(&ah,&p,(long)size)) == NULL)
530                         goto end;
531                 x=(X509 *)ah->data;
532                 ah->data=NULL;
533                 }
534         else if (format == FORMAT_PEM)
535                 x=PEM_read_bio_X509_AUX(cert,NULL,NULL,NULL);
536         else if (format == FORMAT_PKCS12)
537                 {
538                 PKCS12 *p12 = d2i_PKCS12_bio(cert, NULL);
539
540                 PKCS12_parse(p12, NULL, NULL, &x, NULL);
541                 PKCS12_free(p12);
542                 p12 = NULL;
543                 }
544         else    {
545                 BIO_printf(err,"bad input format specified for input cert\n");
546                 goto end;
547                 }
548 end:
549         if (x == NULL)
550                 {
551                 BIO_printf(err,"unable to load certificate\n");
552                 ERR_print_errors(err);
553                 }
554         if (ah != NULL) ASN1_HEADER_free(ah);
555         if (cert != NULL) BIO_free(cert);
556         if (buf != NULL) BUF_MEM_free(buf);
557         return(x);
558         }
559
560 EVP_PKEY *load_key(BIO *err, char *file, int format, char *pass, ENGINE *e)
561         {
562         BIO *key=NULL;
563         EVP_PKEY *pkey=NULL;
564
565         if (file == NULL)
566                 {
567                 BIO_printf(err,"no keyfile specified\n");
568                 goto end;
569                 }
570         if (format == FORMAT_ENGINE)
571                 {
572                 if (!e)
573                         BIO_printf(bio_err,"no engine specified\n");
574                 else
575                         pkey = ENGINE_load_private_key(e, file, pass);
576                 goto end;
577                 }
578         key=BIO_new(BIO_s_file());
579         if (key == NULL)
580                 {
581                 ERR_print_errors(err);
582                 goto end;
583                 }
584         if (BIO_read_filename(key,file) <= 0)
585                 {
586                 perror(file);
587                 goto end;
588                 }
589         if (format == FORMAT_ASN1)
590                 {
591                 pkey=d2i_PrivateKey_bio(key, NULL);
592                 }
593         else if (format == FORMAT_PEM)
594                 {
595                 pkey=PEM_read_bio_PrivateKey(key,NULL,NULL,pass);
596                 }
597         else if (format == FORMAT_PKCS12)
598                 {
599                 PKCS12 *p12 = d2i_PKCS12_bio(key, NULL);
600
601                 PKCS12_parse(p12, pass, &pkey, NULL, NULL);
602                 PKCS12_free(p12);
603                 p12 = NULL;
604                 }
605         else
606                 {
607                 BIO_printf(err,"bad input format specified for key\n");
608                 goto end;
609                 }
610  end:
611         if (key != NULL) BIO_free(key);
612         if (pkey == NULL)
613                 BIO_printf(err,"unable to load Private Key\n");
614         return(pkey);
615         }
616
617 EVP_PKEY *load_pubkey(BIO *err, char *file, int format, ENGINE *e)
618         {
619         BIO *key=NULL;
620         EVP_PKEY *pkey=NULL;
621
622         if (file == NULL)
623                 {
624                 BIO_printf(err,"no keyfile specified\n");
625                 goto end;
626                 }
627         if (format == FORMAT_ENGINE)
628                 {
629                 if (!e)
630                         BIO_printf(bio_err,"no engine specified\n");
631                 else
632                         pkey = ENGINE_load_public_key(e, file, NULL);
633                 goto end;
634                 }
635         key=BIO_new(BIO_s_file());
636         if (key == NULL)
637                 {
638                 ERR_print_errors(err);
639                 goto end;
640                 }
641         if (BIO_read_filename(key,file) <= 0)
642                 {
643                 perror(file);
644                 goto end;
645                 }
646         if (format == FORMAT_ASN1)
647                 {
648                 pkey=d2i_PUBKEY_bio(key, NULL);
649                 }
650         else if (format == FORMAT_PEM)
651                 {
652                 pkey=PEM_read_bio_PUBKEY(key,NULL,NULL,NULL);
653                 }
654         else
655                 {
656                 BIO_printf(err,"bad input format specified for key\n");
657                 goto end;
658                 }
659  end:
660         if (key != NULL) BIO_free(key);
661         if (pkey == NULL)
662                 BIO_printf(err,"unable to load Public Key\n");
663         return(pkey);
664         }
665
666 STACK_OF(X509) *load_certs(BIO *err, char *file, int format)
667         {
668         BIO *certs;
669         int i;
670         STACK_OF(X509) *othercerts = NULL;
671         STACK_OF(X509_INFO) *allcerts = NULL;
672         X509_INFO *xi;
673
674         if((certs = BIO_new(BIO_s_file())) == NULL)
675                 {
676                 ERR_print_errors(err);
677                 goto end;
678                 }
679
680         if (file == NULL)
681                 BIO_set_fp(certs,stdin,BIO_NOCLOSE);
682         else
683                 {
684                 if (BIO_read_filename(certs,file) <= 0)
685                         {
686                         perror(file);
687                         goto end;
688                         }
689                 }
690
691         if      (format == FORMAT_PEM)
692                 {
693                 othercerts = sk_X509_new_null();
694                 if(!othercerts)
695                         {
696                         sk_X509_free(othercerts);
697                         othercerts = NULL;
698                         goto end;
699                         }
700                 allcerts = PEM_X509_INFO_read_bio(certs, NULL, NULL, NULL);
701                 for(i = 0; i < sk_X509_INFO_num(allcerts); i++)
702                         {
703                         xi = sk_X509_INFO_value (allcerts, i);
704                         if (xi->x509)
705                                 {
706                                 sk_X509_push(othercerts, xi->x509);
707                                 xi->x509 = NULL;
708                                 }
709                         }
710                 goto end;
711                 }
712         else    {
713                 BIO_printf(err,"bad input format specified for input cert\n");
714                 goto end;
715                 }
716 end:
717         if (othercerts == NULL)
718                 {
719                 BIO_printf(err,"unable to load certificates\n");
720                 ERR_print_errors(err);
721                 }
722         if (allcerts) sk_X509_INFO_pop_free(allcerts, X509_INFO_free);
723         if (certs != NULL) BIO_free(certs);
724         return(othercerts);
725         }
726
727
728 #define X509V3_EXT_UNKNOWN_MASK         (0xfL << 16)
729 /* Return error for unknown extensions */
730 #define X509V3_EXT_DEFAULT              0
731 /* Print error for unknown extensions */
732 #define X509V3_EXT_ERROR_UNKNOWN        (1L << 16)
733 /* ASN1 parse unknown extensions */
734 #define X509V3_EXT_PARSE_UNKNOWN        (2L << 16)
735 /* BIO_dump unknown extensions */
736 #define X509V3_EXT_DUMP_UNKNOWN         (3L << 16)
737
738 int set_cert_ex(unsigned long *flags, const char *arg)
739 {
740         static const NAME_EX_TBL cert_tbl[] = {
741                 { "compatible", X509_FLAG_COMPAT, 0xffffffffl},
742                 { "no_header", X509_FLAG_NO_HEADER, 0},
743                 { "no_version", X509_FLAG_NO_VERSION, 0},
744                 { "no_serial", X509_FLAG_NO_SERIAL, 0},
745                 { "no_signame", X509_FLAG_NO_SIGNAME, 0},
746                 { "no_validity", X509_FLAG_NO_VALIDITY, 0},
747                 { "no_subject", X509_FLAG_NO_SUBJECT, 0},
748                 { "no_pubkey", X509_FLAG_NO_PUBKEY, 0},
749                 { "no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
750                 { "no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
751                 { "no_aux", X509_FLAG_NO_AUX, 0},
752                 { "ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
753                 { "ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
754                 { "ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
755                 { "ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
756                 { NULL, 0, 0}
757         };
758         return set_table_opts(flags, arg, cert_tbl);
759 }
760
761 int set_name_ex(unsigned long *flags, const char *arg)
762 {
763         static const NAME_EX_TBL ex_tbl[] = {
764                 { "esc_2253", ASN1_STRFLGS_ESC_2253, 0},
765                 { "esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
766                 { "esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
767                 { "use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
768                 { "utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
769                 { "ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
770                 { "show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
771                 { "dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
772                 { "dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
773                 { "dump_der", ASN1_STRFLGS_DUMP_DER, 0},
774                 { "compat", XN_FLAG_COMPAT, 0xffffffffL},
775                 { "sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
776                 { "sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
777                 { "sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
778                 { "sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
779                 { "dn_rev", XN_FLAG_DN_REV, 0},
780                 { "nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
781                 { "sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
782                 { "lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
783                 { "oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
784                 { "space_eq", XN_FLAG_SPC_EQ, 0},
785                 { "dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
786                 { "RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
787                 { "oneline", XN_FLAG_ONELINE, 0xffffffffL},
788                 { "multiline", XN_FLAG_MULTILINE, 0xffffffffL},
789                 { NULL, 0, 0}
790         };
791         return set_table_opts(flags, arg, ex_tbl);
792 }
793
794 static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
795 {
796         char c;
797         const NAME_EX_TBL *ptbl;
798         c = arg[0];
799
800         if(c == '-') {
801                 c = 0;
802                 arg++;
803         } else if (c == '+') {
804                 c = 1;
805                 arg++;
806         } else c = 1;
807
808         for(ptbl = in_tbl; ptbl->name; ptbl++) {
809                 if(!strcmp(arg, ptbl->name)) {
810                         *flags &= ~ptbl->mask;
811                         if(c) *flags |= ptbl->flag;
812                         else *flags &= ~ptbl->flag;
813                         return 1;
814                 }
815         }
816         return 0;
817 }
818
819 void print_name(BIO *out, char *title, X509_NAME *nm, unsigned long lflags)
820 {
821         char buf[256];
822         char mline = 0;
823         int indent = 0;
824         if(title) BIO_puts(out, title);
825         if((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
826                 mline = 1;
827                 indent = 4;
828         }
829         if(lflags == XN_FLAG_COMPAT) {
830                 X509_NAME_oneline(nm,buf,256);
831                 BIO_puts(out,buf);
832                 BIO_puts(out, "\n");
833         } else {
834                 if(mline) BIO_puts(out, "\n");
835                 X509_NAME_print_ex(out, nm, indent, lflags);
836                 BIO_puts(out, "\n");
837         }
838 }
839