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