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 const 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 #ifndef OPENSSL_NO_MD5
85 " -hash_old - print old-style (MD5) hash value\n",
86 #endif
87 " -fingerprint - print the crl fingerprint\n",
88 " -issuer - print issuer DN\n",
89 " -lastupdate - lastUpdate field\n",
90 " -nextupdate - nextUpdate field\n",
91 " -crlnumber - print CRL number\n",
92 " -noout - no CRL output\n",
93 " -CAfile name - verify CRL using certificates in file \"name\"\n",
94 " -CApath dir - verify CRL using certificates in \"dir\"\n",
95 " -nameopt arg - various certificate name options\n",
96 NULL
97 };
98
99 static X509_CRL *load_crl(char *file, int format);
100 static BIO *bio_out=NULL;
101
102 int MAIN(int, char **);
103
MAIN(int argc,char ** argv)104 int MAIN(int argc, char **argv)
105 {
106 unsigned long nmflag = 0;
107 X509_CRL *x=NULL;
108 char *CAfile = NULL, *CApath = NULL;
109 int ret=1,i,num,badops=0;
110 BIO *out=NULL;
111 int informat,outformat;
112 char *infile=NULL,*outfile=NULL;
113 int hash=0,issuer=0,lastupdate=0,nextupdate=0,noout=0,text=0;
114 #ifndef OPENSSL_NO_MD5
115 int hash_old=0;
116 #endif
117 int fingerprint = 0, crlnumber = 0;
118 const char **pp;
119 X509_STORE *store = NULL;
120 X509_STORE_CTX ctx;
121 X509_LOOKUP *lookup = NULL;
122 X509_OBJECT xobj;
123 EVP_PKEY *pkey;
124 int do_ver = 0;
125 const EVP_MD *md_alg,*digest=EVP_sha1();
126
127 apps_startup();
128
129 if (bio_err == NULL)
130 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
131 BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
132
133 if (!load_config(bio_err, NULL))
134 goto end;
135
136 if (bio_out == NULL)
137 if ((bio_out=BIO_new(BIO_s_file())) != NULL)
138 {
139 BIO_set_fp(bio_out,stdout,BIO_NOCLOSE);
140 #ifdef OPENSSL_SYS_VMS
141 {
142 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
143 bio_out = BIO_push(tmpbio, bio_out);
144 }
145 #endif
146 }
147
148 informat=FORMAT_PEM;
149 outformat=FORMAT_PEM;
150
151 argc--;
152 argv++;
153 num=0;
154 while (argc >= 1)
155 {
156 #ifdef undef
157 if (strcmp(*argv,"-p") == 0)
158 {
159 if (--argc < 1) goto bad;
160 if (!args_from_file(++argv,Nargc,Nargv)) { goto end; }*/
161 }
162 #endif
163 if (strcmp(*argv,"-inform") == 0)
164 {
165 if (--argc < 1) goto bad;
166 informat=str2fmt(*(++argv));
167 }
168 else if (strcmp(*argv,"-outform") == 0)
169 {
170 if (--argc < 1) goto bad;
171 outformat=str2fmt(*(++argv));
172 }
173 else if (strcmp(*argv,"-in") == 0)
174 {
175 if (--argc < 1) goto bad;
176 infile= *(++argv);
177 }
178 else if (strcmp(*argv,"-out") == 0)
179 {
180 if (--argc < 1) goto bad;
181 outfile= *(++argv);
182 }
183 else if (strcmp(*argv,"-CApath") == 0)
184 {
185 if (--argc < 1) goto bad;
186 CApath = *(++argv);
187 do_ver = 1;
188 }
189 else if (strcmp(*argv,"-CAfile") == 0)
190 {
191 if (--argc < 1) goto bad;
192 CAfile = *(++argv);
193 do_ver = 1;
194 }
195 else if (strcmp(*argv,"-verify") == 0)
196 do_ver = 1;
197 else if (strcmp(*argv,"-text") == 0)
198 text = 1;
199 else if (strcmp(*argv,"-hash") == 0)
200 hash= ++num;
201 #ifndef OPENSSL_NO_MD5
202 else if (strcmp(*argv,"-hash_old") == 0)
203 hash_old= ++num;
204 #endif
205 else if (strcmp(*argv,"-nameopt") == 0)
206 {
207 if (--argc < 1) goto bad;
208 if (!set_name_ex(&nmflag, *(++argv))) goto bad;
209 }
210 else if (strcmp(*argv,"-issuer") == 0)
211 issuer= ++num;
212 else if (strcmp(*argv,"-lastupdate") == 0)
213 lastupdate= ++num;
214 else if (strcmp(*argv,"-nextupdate") == 0)
215 nextupdate= ++num;
216 else if (strcmp(*argv,"-noout") == 0)
217 noout= ++num;
218 else if (strcmp(*argv,"-fingerprint") == 0)
219 fingerprint= ++num;
220 else if (strcmp(*argv,"-crlnumber") == 0)
221 crlnumber= ++num;
222 else if ((md_alg=EVP_get_digestbyname(*argv + 1)))
223 {
224 /* ok */
225 digest=md_alg;
226 }
227 else
228 {
229 BIO_printf(bio_err,"unknown option %s\n",*argv);
230 badops=1;
231 break;
232 }
233 argc--;
234 argv++;
235 }
236
237 if (badops)
238 {
239 bad:
240 for (pp=crl_usage; (*pp != NULL); pp++)
241 BIO_printf(bio_err,"%s",*pp);
242 goto end;
243 }
244
245 ERR_load_crypto_strings();
246 x=load_crl(infile,informat);
247 if (x == NULL) { goto end; }
248
249 if(do_ver) {
250 store = X509_STORE_new();
251 lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file());
252 if (lookup == NULL) goto end;
253 if (!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM))
254 X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
255
256 lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir());
257 if (lookup == NULL) goto end;
258 if (!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM))
259 X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
260 ERR_clear_error();
261
262 if(!X509_STORE_CTX_init(&ctx, store, NULL, NULL)) {
263 BIO_printf(bio_err,
264 "Error initialising X509 store\n");
265 goto end;
266 }
267
268 i = X509_STORE_get_by_subject(&ctx, X509_LU_X509,
269 X509_CRL_get_issuer(x), &xobj);
270 if(i <= 0) {
271 BIO_printf(bio_err,
272 "Error getting CRL issuer certificate\n");
273 goto end;
274 }
275 pkey = X509_get_pubkey(xobj.data.x509);
276 X509_OBJECT_free_contents(&xobj);
277 if(!pkey) {
278 BIO_printf(bio_err,
279 "Error getting CRL issuer public key\n");
280 goto end;
281 }
282 i = X509_CRL_verify(x, pkey);
283 EVP_PKEY_free(pkey);
284 if(i < 0) goto end;
285 if(i == 0) BIO_printf(bio_err, "verify failure\n");
286 else BIO_printf(bio_err, "verify OK\n");
287 }
288
289 if (num)
290 {
291 for (i=1; i<=num; i++)
292 {
293 if (issuer == i)
294 {
295 print_name(bio_out, "issuer=", X509_CRL_get_issuer(x), nmflag);
296 }
297 if (crlnumber == i)
298 {
299 ASN1_INTEGER *crlnum;
300 crlnum = X509_CRL_get_ext_d2i(x, NID_crl_number,
301 NULL, NULL);
302 BIO_printf(bio_out,"crlNumber=");
303 if (crlnum)
304 {
305 i2a_ASN1_INTEGER(bio_out, crlnum);
306 ASN1_INTEGER_free(crlnum);
307 }
308 else
309 BIO_puts(bio_out, "<NONE>");
310 BIO_printf(bio_out,"\n");
311 }
312 if (hash == i)
313 {
314 BIO_printf(bio_out,"%08lx\n",
315 X509_NAME_hash(X509_CRL_get_issuer(x)));
316 }
317 #ifndef OPENSSL_NO_MD5
318 if (hash_old == i)
319 {
320 BIO_printf(bio_out,"%08lx\n",
321 X509_NAME_hash_old(
322 X509_CRL_get_issuer(x)));
323 }
324 #endif
325 if (lastupdate == i)
326 {
327 BIO_printf(bio_out,"lastUpdate=");
328 ASN1_TIME_print(bio_out,
329 X509_CRL_get_lastUpdate(x));
330 BIO_printf(bio_out,"\n");
331 }
332 if (nextupdate == i)
333 {
334 BIO_printf(bio_out,"nextUpdate=");
335 if (X509_CRL_get_nextUpdate(x))
336 ASN1_TIME_print(bio_out,
337 X509_CRL_get_nextUpdate(x));
338 else
339 BIO_printf(bio_out,"NONE");
340 BIO_printf(bio_out,"\n");
341 }
342 if (fingerprint == i)
343 {
344 int j;
345 unsigned int n;
346 unsigned char md[EVP_MAX_MD_SIZE];
347
348 if (!X509_CRL_digest(x,digest,md,&n))
349 {
350 BIO_printf(bio_err,"out of memory\n");
351 goto end;
352 }
353 BIO_printf(bio_out,"%s Fingerprint=",
354 OBJ_nid2sn(EVP_MD_type(digest)));
355 for (j=0; j<(int)n; j++)
356 {
357 BIO_printf(bio_out,"%02X%c",md[j],
358 (j+1 == (int)n)
359 ?'\n':':');
360 }
361 }
362 }
363 }
364
365 out=BIO_new(BIO_s_file());
366 if (out == NULL)
367 {
368 ERR_print_errors(bio_err);
369 goto end;
370 }
371
372 if (outfile == NULL)
373 {
374 BIO_set_fp(out,stdout,BIO_NOCLOSE);
375 #ifdef OPENSSL_SYS_VMS
376 {
377 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
378 out = BIO_push(tmpbio, out);
379 }
380 #endif
381 }
382 else
383 {
384 if (BIO_write_filename(out,outfile) <= 0)
385 {
386 perror(outfile);
387 goto end;
388 }
389 }
390
391 if (text) X509_CRL_print(out, x);
392
393 if (noout)
394 {
395 ret = 0;
396 goto end;
397 }
398
399 if (outformat == FORMAT_ASN1)
400 i=(int)i2d_X509_CRL_bio(out,x);
401 else if (outformat == FORMAT_PEM)
402 i=PEM_write_bio_X509_CRL(out,x);
403 else
404 {
405 BIO_printf(bio_err,"bad output format specified for outfile\n");
406 goto end;
407 }
408 if (!i) { BIO_printf(bio_err,"unable to write CRL\n"); goto end; }
409 ret=0;
410 end:
411 BIO_free_all(out);
412 BIO_free_all(bio_out);
413 bio_out=NULL;
414 X509_CRL_free(x);
415 if(store) {
416 X509_STORE_CTX_cleanup(&ctx);
417 X509_STORE_free(store);
418 }
419 apps_shutdown();
420 OPENSSL_EXIT(ret);
421 }
422
load_crl(char * infile,int format)423 static X509_CRL *load_crl(char *infile, int format)
424 {
425 X509_CRL *x=NULL;
426 BIO *in=NULL;
427
428 in=BIO_new(BIO_s_file());
429 if (in == NULL)
430 {
431 ERR_print_errors(bio_err);
432 goto end;
433 }
434
435 if (infile == NULL)
436 BIO_set_fp(in,stdin,BIO_NOCLOSE);
437 else
438 {
439 if (BIO_read_filename(in,infile) <= 0)
440 {
441 perror(infile);
442 goto end;
443 }
444 }
445 if (format == FORMAT_ASN1)
446 x=d2i_X509_CRL_bio(in,NULL);
447 else if (format == FORMAT_PEM)
448 x=PEM_read_bio_X509_CRL(in,NULL,NULL,NULL);
449 else {
450 BIO_printf(bio_err,"bad input format specified for input crl\n");
451 goto end;
452 }
453 if (x == NULL)
454 {
455 BIO_printf(bio_err,"unable to load CRL\n");
456 ERR_print_errors(bio_err);
457 goto end;
458 }
459
460 end:
461 BIO_free(in);
462 return(x);
463 }
464
465