make update
[openssl.git] / apps / crl.c
1 /* apps/crl.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 "apps.h"
63 #include <openssl/bio.h>
64 #include <openssl/err.h>
65 #include <openssl/x509.h>
66 #include <openssl/x509v3.h>
67 #include <openssl/pem.h>
68
69 #undef PROG
70 #define PROG    crl_main
71
72 #undef POSTFIX
73 #define POSTFIX ".rvk"
74
75 static char *crl_usage[]={
76 "usage: crl args\n",
77 "\n",
78 " -inform arg     - input format - default PEM (DER or PEM)\n",
79 " -outform arg    - output format - default PEM\n",
80 " -text           - print out a text format version\n",
81 " -in arg         - input file - default stdin\n",
82 " -out arg        - output file - default stdout\n",
83 " -hash           - print hash value\n",
84 " -issuer         - print issuer DN\n",
85 " -lastupdate     - lastUpdate field\n",
86 " -nextupdate     - nextUpdate field\n",
87 " -noout          - no CRL output\n",
88 " -CAfile  name   - verify CRL using certificates in file \"name\"\n",
89 " -CApath  dir    - verify CRL using certificates in \"dir\"\n",
90 " -nameopt arg    - various certificate name options\n",
91 NULL
92 };
93
94 static X509_CRL *load_crl(char *file, int format);
95 static BIO *bio_out=NULL;
96
97 int MAIN(int, char **);
98
99 int MAIN(int argc, char **argv)
100         {
101         unsigned long nmflag = 0;
102         X509_CRL *x=NULL;
103         char *CAfile = NULL, *CApath = NULL;
104         int ret=1,i,num,badops=0;
105         BIO *out=NULL;
106         int informat,outformat;
107         char *infile=NULL,*outfile=NULL;
108         int hash=0,issuer=0,lastupdate=0,nextupdate=0,noout=0,text=0;
109         int fingerprint = 0;
110         char **pp;
111         X509_STORE *store = NULL;
112         X509_STORE_CTX ctx;
113         X509_LOOKUP *lookup = NULL;
114         X509_OBJECT xobj;
115         EVP_PKEY *pkey;
116         int do_ver = 0;
117         const EVP_MD *md_alg,*digest=EVP_md5();
118
119         apps_startup();
120
121         if (bio_err == NULL)
122                 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
123                         BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
124
125         if (!load_config(bio_err, NULL))
126                 goto end;
127
128         if (bio_out == NULL)
129                 if ((bio_out=BIO_new(BIO_s_file())) != NULL)
130                         {
131                         BIO_set_fp(bio_out,stdout,BIO_NOCLOSE);
132 #ifdef OPENSSL_SYS_VMS
133                         {
134                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
135                         bio_out = BIO_push(tmpbio, bio_out);
136                         }
137 #endif
138                         }
139
140         informat=FORMAT_PEM;
141         outformat=FORMAT_PEM;
142
143         argc--;
144         argv++;
145         num=0;
146         while (argc >= 1)
147                 {
148 #ifdef undef
149                 if      (strcmp(*argv,"-p") == 0)
150                         {
151                         if (--argc < 1) goto bad;
152                         if (!args_from_file(++argv,Nargc,Nargv)) { goto end; }*/
153                         }
154 #endif
155                 if      (strcmp(*argv,"-inform") == 0)
156                         {
157                         if (--argc < 1) goto bad;
158                         informat=str2fmt(*(++argv));
159                         }
160                 else if (strcmp(*argv,"-outform") == 0)
161                         {
162                         if (--argc < 1) goto bad;
163                         outformat=str2fmt(*(++argv));
164                         }
165                 else if (strcmp(*argv,"-in") == 0)
166                         {
167                         if (--argc < 1) goto bad;
168                         infile= *(++argv);
169                         }
170                 else if (strcmp(*argv,"-out") == 0)
171                         {
172                         if (--argc < 1) goto bad;
173                         outfile= *(++argv);
174                         }
175                 else if (strcmp(*argv,"-CApath") == 0)
176                         {
177                         if (--argc < 1) goto bad;
178                         CApath = *(++argv);
179                         do_ver = 1;
180                         }
181                 else if (strcmp(*argv,"-CAfile") == 0)
182                         {
183                         if (--argc < 1) goto bad;
184                         CAfile = *(++argv);
185                         do_ver = 1;
186                         }
187                 else if (strcmp(*argv,"-verify") == 0)
188                         do_ver = 1;
189                 else if (strcmp(*argv,"-text") == 0)
190                         text = 1;
191                 else if (strcmp(*argv,"-hash") == 0)
192                         hash= ++num;
193                 else if (strcmp(*argv,"-nameopt") == 0)
194                         {
195                         if (--argc < 1) goto bad;
196                         if (!set_name_ex(&nmflag, *(++argv))) goto bad;
197                         }
198                 else if (strcmp(*argv,"-issuer") == 0)
199                         issuer= ++num;
200                 else if (strcmp(*argv,"-lastupdate") == 0)
201                         lastupdate= ++num;
202                 else if (strcmp(*argv,"-nextupdate") == 0)
203                         nextupdate= ++num;
204                 else if (strcmp(*argv,"-noout") == 0)
205                         noout= ++num;
206                 else if (strcmp(*argv,"-fingerprint") == 0)
207                         fingerprint= ++num;
208                 else if ((md_alg=EVP_get_digestbyname(*argv + 1)))
209                         {
210                         /* ok */
211                         digest=md_alg;
212                         }
213                 else
214                         {
215                         BIO_printf(bio_err,"unknown option %s\n",*argv);
216                         badops=1;
217                         break;
218                         }
219                 argc--;
220                 argv++;
221                 }
222
223         if (badops)
224                 {
225 bad:
226                 for (pp=crl_usage; (*pp != NULL); pp++)
227                         BIO_printf(bio_err,"%s",*pp);
228                 goto end;
229                 }
230
231         ERR_load_crypto_strings();
232         x=load_crl(infile,informat);
233         if (x == NULL) { goto end; }
234
235         if(do_ver) {
236                 store = X509_STORE_new();
237                 lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file());
238                 if (lookup == NULL) goto end;
239                 if (!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM))
240                         X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
241                         
242                 lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir());
243                 if (lookup == NULL) goto end;
244                 if (!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM))
245                         X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
246                 ERR_clear_error();
247
248                 if(!X509_STORE_CTX_init(&ctx, store, NULL, NULL)) {
249                         BIO_printf(bio_err,
250                                 "Error initialising X509 store\n");
251                         goto end;
252                 }
253
254                 i = X509_STORE_get_by_subject(&ctx, X509_LU_X509, 
255                                         X509_CRL_get_issuer(x), &xobj);
256                 if(i <= 0) {
257                         BIO_printf(bio_err,
258                                 "Error getting CRL issuer certificate\n");
259                         goto end;
260                 }
261                 pkey = X509_get_pubkey(xobj.data.x509);
262                 X509_OBJECT_free_contents(&xobj);
263                 if(!pkey) {
264                         BIO_printf(bio_err,
265                                 "Error getting CRL issuer public key\n");
266                         goto end;
267                 }
268                 i = X509_CRL_verify(x, pkey);
269                 EVP_PKEY_free(pkey);
270                 if(i < 0) goto end;
271                 if(i == 0) BIO_printf(bio_err, "verify failure\n");
272                 else BIO_printf(bio_err, "verify OK\n");
273         }
274
275         if (num)
276                 {
277                 for (i=1; i<=num; i++)
278                         {
279                         if (issuer == i)
280                                 {
281                                 print_name(bio_out, "issuer=", X509_CRL_get_issuer(x), nmflag);
282                                 }
283
284                         if (hash == i)
285                                 {
286                                 BIO_printf(bio_out,"%08lx\n",
287                                         X509_NAME_hash(X509_CRL_get_issuer(x)));
288                                 }
289                         if (lastupdate == i)
290                                 {
291                                 BIO_printf(bio_out,"lastUpdate=");
292                                 ASN1_TIME_print(bio_out,
293                                                 X509_CRL_get_lastUpdate(x));
294                                 BIO_printf(bio_out,"\n");
295                                 }
296                         if (nextupdate == i)
297                                 {
298                                 BIO_printf(bio_out,"nextUpdate=");
299                                 if (X509_CRL_get_nextUpdate(x)) 
300                                         ASN1_TIME_print(bio_out,
301                                                 X509_CRL_get_nextUpdate(x));
302                                 else
303                                         BIO_printf(bio_out,"NONE");
304                                 BIO_printf(bio_out,"\n");
305                                 }
306                         if (fingerprint == i)
307                                 {
308                                 int j;
309                                 unsigned int n;
310                                 unsigned char md[EVP_MAX_MD_SIZE];
311
312                                 if (!X509_CRL_digest(x,digest,md,&n))
313                                         {
314                                         BIO_printf(bio_err,"out of memory\n");
315                                         goto end;
316                                         }
317                                 BIO_printf(bio_out,"%s Fingerprint=",
318                                                 OBJ_nid2sn(EVP_MD_type(digest)));
319                                 for (j=0; j<(int)n; j++)
320                                         {
321                                         BIO_printf(bio_out,"%02X%c",md[j],
322                                                 (j+1 == (int)n)
323                                                 ?'\n':':');
324                                         }
325                                 }
326                         }
327                 }
328
329         out=BIO_new(BIO_s_file());
330         if (out == NULL)
331                 {
332                 ERR_print_errors(bio_err);
333                 goto end;
334                 }
335
336         if (outfile == NULL)
337                 {
338                 BIO_set_fp(out,stdout,BIO_NOCLOSE);
339 #ifdef OPENSSL_SYS_VMS
340                 {
341                 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
342                 out = BIO_push(tmpbio, out);
343                 }
344 #endif
345                 }
346         else
347                 {
348                 if (BIO_write_filename(out,outfile) <= 0)
349                         {
350                         perror(outfile);
351                         goto end;
352                         }
353                 }
354
355         if (text) X509_CRL_print(out, x);
356
357         if (noout) goto end;
358
359         if      (outformat == FORMAT_ASN1)
360                 i=(int)i2d_X509_CRL_bio(out,x);
361         else if (outformat == FORMAT_PEM)
362                 i=PEM_write_bio_X509_CRL(out,x);
363         else    
364                 {
365                 BIO_printf(bio_err,"bad output format specified for outfile\n");
366                 goto end;
367                 }
368         if (!i) { BIO_printf(bio_err,"unable to write CRL\n"); goto end; }
369         ret=0;
370 end:
371         BIO_free_all(out);
372         BIO_free_all(bio_out);
373         bio_out=NULL;
374         X509_CRL_free(x);
375         if(store) {
376                 X509_STORE_CTX_cleanup(&ctx);
377                 X509_STORE_free(store);
378         }
379         apps_shutdown();
380         OPENSSL_EXIT(ret);
381         }
382
383 static X509_CRL *load_crl(char *infile, int format)
384         {
385         X509_CRL *x=NULL;
386         BIO *in=NULL;
387
388         in=BIO_new(BIO_s_file());
389         if (in == NULL)
390                 {
391                 ERR_print_errors(bio_err);
392                 goto end;
393                 }
394
395         if (infile == NULL)
396                 BIO_set_fp(in,stdin,BIO_NOCLOSE);
397         else
398                 {
399                 if (BIO_read_filename(in,infile) <= 0)
400                         {
401                         perror(infile);
402                         goto end;
403                         }
404                 }
405         if      (format == FORMAT_ASN1)
406                 x=d2i_X509_CRL_bio(in,NULL);
407         else if (format == FORMAT_PEM)
408                 x=PEM_read_bio_X509_CRL(in,NULL,NULL,NULL);
409         else    {
410                 BIO_printf(bio_err,"bad input format specified for input crl\n");
411                 goto end;
412                 }
413         if (x == NULL)
414                 {
415                 BIO_printf(bio_err,"unable to load CRL\n");
416                 ERR_print_errors(bio_err);
417                 goto end;
418                 }
419         
420 end:
421         BIO_free(in);
422         return(x);
423         }
424