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Kinson Chika8fa74c2011-07-29 11:33:41 -07001/* 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
75static 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" -fingerprint - print the crl fingerprint\n",
85" -issuer - print issuer DN\n",
86" -lastupdate - lastUpdate field\n",
87" -nextupdate - nextUpdate field\n",
88" -crlnumber - print CRL number\n",
89" -noout - no CRL output\n",
90" -CAfile name - verify CRL using certificates in file \"name\"\n",
91" -CApath dir - verify CRL using certificates in \"dir\"\n",
92" -nameopt arg - various certificate name options\n",
93NULL
94};
95
96static X509_CRL *load_crl(char *file, int format);
97static BIO *bio_out=NULL;
98
99int MAIN(int, char **);
100
101int MAIN(int argc, char **argv)
102 {
103 unsigned long nmflag = 0;
104 X509_CRL *x=NULL;
105 char *CAfile = NULL, *CApath = NULL;
106 int ret=1,i,num,badops=0;
107 BIO *out=NULL;
108 int informat,outformat;
109 char *infile=NULL,*outfile=NULL;
110 int hash=0,issuer=0,lastupdate=0,nextupdate=0,noout=0,text=0;
111 int fingerprint = 0, crlnumber = 0;
112 const char **pp;
113 X509_STORE *store = NULL;
114 X509_STORE_CTX ctx;
115 X509_LOOKUP *lookup = NULL;
116 X509_OBJECT xobj;
117 EVP_PKEY *pkey;
118 int do_ver = 0;
119 const EVP_MD *md_alg,*digest=EVP_sha1();
120
121 apps_startup();
122
123 if (bio_err == NULL)
124 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
125 BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
126
127 if (!load_config(bio_err, NULL))
128 goto end;
129
130 if (bio_out == NULL)
131 if ((bio_out=BIO_new(BIO_s_file())) != NULL)
132 {
133 BIO_set_fp(bio_out,stdout,BIO_NOCLOSE);
134#ifdef OPENSSL_SYS_VMS
135 {
136 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
137 bio_out = BIO_push(tmpbio, bio_out);
138 }
139#endif
140 }
141
142 informat=FORMAT_PEM;
143 outformat=FORMAT_PEM;
144
145 argc--;
146 argv++;
147 num=0;
148 while (argc >= 1)
149 {
150#ifdef undef
151 if (strcmp(*argv,"-p") == 0)
152 {
153 if (--argc < 1) goto bad;
154 if (!args_from_file(++argv,Nargc,Nargv)) { goto end; }*/
155 }
156#endif
157 if (strcmp(*argv,"-inform") == 0)
158 {
159 if (--argc < 1) goto bad;
160 informat=str2fmt(*(++argv));
161 }
162 else if (strcmp(*argv,"-outform") == 0)
163 {
164 if (--argc < 1) goto bad;
165 outformat=str2fmt(*(++argv));
166 }
167 else if (strcmp(*argv,"-in") == 0)
168 {
169 if (--argc < 1) goto bad;
170 infile= *(++argv);
171 }
172 else if (strcmp(*argv,"-out") == 0)
173 {
174 if (--argc < 1) goto bad;
175 outfile= *(++argv);
176 }
177 else if (strcmp(*argv,"-CApath") == 0)
178 {
179 if (--argc < 1) goto bad;
180 CApath = *(++argv);
181 do_ver = 1;
182 }
183 else if (strcmp(*argv,"-CAfile") == 0)
184 {
185 if (--argc < 1) goto bad;
186 CAfile = *(++argv);
187 do_ver = 1;
188 }
189 else if (strcmp(*argv,"-verify") == 0)
190 do_ver = 1;
191 else if (strcmp(*argv,"-text") == 0)
192 text = 1;
193 else if (strcmp(*argv,"-hash") == 0)
194 hash= ++num;
195 else if (strcmp(*argv,"-nameopt") == 0)
196 {
197 if (--argc < 1) goto bad;
198 if (!set_name_ex(&nmflag, *(++argv))) goto bad;
199 }
200 else if (strcmp(*argv,"-issuer") == 0)
201 issuer= ++num;
202 else if (strcmp(*argv,"-lastupdate") == 0)
203 lastupdate= ++num;
204 else if (strcmp(*argv,"-nextupdate") == 0)
205 nextupdate= ++num;
206 else if (strcmp(*argv,"-noout") == 0)
207 noout= ++num;
208 else if (strcmp(*argv,"-fingerprint") == 0)
209 fingerprint= ++num;
210 else if (strcmp(*argv,"-crlnumber") == 0)
211 crlnumber= ++num;
212 else if ((md_alg=EVP_get_digestbyname(*argv + 1)))
213 {
214 /* ok */
215 digest=md_alg;
216 }
217 else
218 {
219 BIO_printf(bio_err,"unknown option %s\n",*argv);
220 badops=1;
221 break;
222 }
223 argc--;
224 argv++;
225 }
226
227 if (badops)
228 {
229bad:
230 for (pp=crl_usage; (*pp != NULL); pp++)
231 BIO_printf(bio_err,"%s",*pp);
232 goto end;
233 }
234
235 ERR_load_crypto_strings();
236 x=load_crl(infile,informat);
237 if (x == NULL) { goto end; }
238
239 if(do_ver) {
240 store = X509_STORE_new();
241 lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file());
242 if (lookup == NULL) goto end;
243 if (!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM))
244 X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
245
246 lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir());
247 if (lookup == NULL) goto end;
248 if (!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM))
249 X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
250 ERR_clear_error();
251
252 if(!X509_STORE_CTX_init(&ctx, store, NULL, NULL)) {
253 BIO_printf(bio_err,
254 "Error initialising X509 store\n");
255 goto end;
256 }
257
258 i = X509_STORE_get_by_subject(&ctx, X509_LU_X509,
259 X509_CRL_get_issuer(x), &xobj);
260 if(i <= 0) {
261 BIO_printf(bio_err,
262 "Error getting CRL issuer certificate\n");
263 goto end;
264 }
265 pkey = X509_get_pubkey(xobj.data.x509);
266 X509_OBJECT_free_contents(&xobj);
267 if(!pkey) {
268 BIO_printf(bio_err,
269 "Error getting CRL issuer public key\n");
270 goto end;
271 }
272 i = X509_CRL_verify(x, pkey);
273 EVP_PKEY_free(pkey);
274 if(i < 0) goto end;
275 if(i == 0) BIO_printf(bio_err, "verify failure\n");
276 else BIO_printf(bio_err, "verify OK\n");
277 }
278
279 if (num)
280 {
281 for (i=1; i<=num; i++)
282 {
283 if (issuer == i)
284 {
285 print_name(bio_out, "issuer=", X509_CRL_get_issuer(x), nmflag);
286 }
287 if (crlnumber == i)
288 {
289 ASN1_INTEGER *crlnum;
290 crlnum = X509_CRL_get_ext_d2i(x, NID_crl_number,
291 NULL, NULL);
292 BIO_printf(bio_out,"crlNumber=");
293 if (crlnum)
294 {
295 i2a_ASN1_INTEGER(bio_out, crlnum);
296 ASN1_INTEGER_free(crlnum);
297 }
298 else
299 BIO_puts(bio_out, "<NONE>");
300 BIO_printf(bio_out,"\n");
301 }
302 if (hash == i)
303 {
304 BIO_printf(bio_out,"%08lx\n",
305 X509_NAME_hash(X509_CRL_get_issuer(x)));
306 }
307 if (lastupdate == i)
308 {
309 BIO_printf(bio_out,"lastUpdate=");
310 ASN1_TIME_print(bio_out,
311 X509_CRL_get_lastUpdate(x));
312 BIO_printf(bio_out,"\n");
313 }
314 if (nextupdate == i)
315 {
316 BIO_printf(bio_out,"nextUpdate=");
317 if (X509_CRL_get_nextUpdate(x))
318 ASN1_TIME_print(bio_out,
319 X509_CRL_get_nextUpdate(x));
320 else
321 BIO_printf(bio_out,"NONE");
322 BIO_printf(bio_out,"\n");
323 }
324 if (fingerprint == i)
325 {
326 int j;
327 unsigned int n;
328 unsigned char md[EVP_MAX_MD_SIZE];
329
330 if (!X509_CRL_digest(x,digest,md,&n))
331 {
332 BIO_printf(bio_err,"out of memory\n");
333 goto end;
334 }
335 BIO_printf(bio_out,"%s Fingerprint=",
336 OBJ_nid2sn(EVP_MD_type(digest)));
337 for (j=0; j<(int)n; j++)
338 {
339 BIO_printf(bio_out,"%02X%c",md[j],
340 (j+1 == (int)n)
341 ?'\n':':');
342 }
343 }
344 }
345 }
346
347 out=BIO_new(BIO_s_file());
348 if (out == NULL)
349 {
350 ERR_print_errors(bio_err);
351 goto end;
352 }
353
354 if (outfile == NULL)
355 {
356 BIO_set_fp(out,stdout,BIO_NOCLOSE);
357#ifdef OPENSSL_SYS_VMS
358 {
359 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
360 out = BIO_push(tmpbio, out);
361 }
362#endif
363 }
364 else
365 {
366 if (BIO_write_filename(out,outfile) <= 0)
367 {
368 perror(outfile);
369 goto end;
370 }
371 }
372
373 if (text) X509_CRL_print(out, x);
374
375 if (noout)
376 {
377 ret = 0;
378 goto end;
379 }
380
381 if (outformat == FORMAT_ASN1)
382 i=(int)i2d_X509_CRL_bio(out,x);
383 else if (outformat == FORMAT_PEM)
384 i=PEM_write_bio_X509_CRL(out,x);
385 else
386 {
387 BIO_printf(bio_err,"bad output format specified for outfile\n");
388 goto end;
389 }
390 if (!i) { BIO_printf(bio_err,"unable to write CRL\n"); goto end; }
391 ret=0;
392end:
393 BIO_free_all(out);
394 BIO_free_all(bio_out);
395 bio_out=NULL;
396 X509_CRL_free(x);
397 if(store) {
398 X509_STORE_CTX_cleanup(&ctx);
399 X509_STORE_free(store);
400 }
401 apps_shutdown();
402 OPENSSL_EXIT(ret);
403 }
404
405static X509_CRL *load_crl(char *infile, int format)
406 {
407 X509_CRL *x=NULL;
408 BIO *in=NULL;
409
410 in=BIO_new(BIO_s_file());
411 if (in == NULL)
412 {
413 ERR_print_errors(bio_err);
414 goto end;
415 }
416
417 if (infile == NULL)
418 BIO_set_fp(in,stdin,BIO_NOCLOSE);
419 else
420 {
421 if (BIO_read_filename(in,infile) <= 0)
422 {
423 perror(infile);
424 goto end;
425 }
426 }
427 if (format == FORMAT_ASN1)
428 x=d2i_X509_CRL_bio(in,NULL);
429 else if (format == FORMAT_PEM)
430 x=PEM_read_bio_X509_CRL(in,NULL,NULL,NULL);
431 else {
432 BIO_printf(bio_err,"bad input format specified for input crl\n");
433 goto end;
434 }
435 if (x == NULL)
436 {
437 BIO_printf(bio_err,"unable to load CRL\n");
438 ERR_print_errors(bio_err);
439 goto end;
440 }
441
442end:
443 BIO_free(in);
444 return(x);
445 }
446