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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 " -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", | |
93 NULL | |
94 }; | |
95 | |
96 static X509_CRL *load_crl(char *file, int format); | |
97 static BIO *bio_out=NULL; | |
98 | |
99 int MAIN(int, char **); | |
100 | |
101 int 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 { | |
229 bad: | |
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_issu
er(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; | |
392 end: | |
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 | |
405 static 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 | |
442 end: | |
443 BIO_free(in); | |
444 return(x); | |
445 } | |
446 | |
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