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d02b48c6 | 1 | /* apps/crl.c */ |
58964a49 | 2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
d02b48c6 RE |
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" | |
ec577822 BM |
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> | |
d02b48c6 RE |
68 | |
69 | #undef PROG | |
70 | #define PROG crl_main | |
71 | ||
72 | #undef POSTFIX | |
73 | #define POSTFIX ".rvk" | |
74 | ||
d02b48c6 RE |
75 | static char *crl_usage[]={ |
76 | "usage: crl args\n", | |
77 | "\n", | |
25f923dd | 78 | " -inform arg - input format - default PEM (DER or PEM)\n", |
d02b48c6 RE |
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", | |
090d848e DSH |
88 | " -CAfile name - verify CRL using certificates in file \"name\"\n", |
89 | " -CApath dir - verify CRL using certificates in \"dir\"\n", | |
d02b48c6 RE |
90 | NULL |
91 | }; | |
92 | ||
d02b48c6 | 93 | static X509_CRL *load_crl(char *file, int format); |
d02b48c6 RE |
94 | static BIO *bio_out=NULL; |
95 | ||
667ac4ec RE |
96 | int MAIN(int, char **); |
97 | ||
6b691a5c | 98 | int MAIN(int argc, char **argv) |
d02b48c6 RE |
99 | { |
100 | X509_CRL *x=NULL; | |
090d848e | 101 | char *CAfile = NULL, *CApath = NULL; |
d02b48c6 RE |
102 | int ret=1,i,num,badops=0; |
103 | BIO *out=NULL; | |
104 | int informat,outformat; | |
105 | char *infile=NULL,*outfile=NULL; | |
0ca5f8b1 | 106 | int hash=0,issuer=0,lastupdate=0,nextupdate=0,noout=0,text=0; |
439df508 | 107 | int fingerprint = 0; |
d02b48c6 | 108 | char **pp,buf[256]; |
090d848e DSH |
109 | X509_STORE *store = NULL; |
110 | X509_STORE_CTX ctx; | |
111 | X509_LOOKUP *lookup = NULL; | |
112 | X509_OBJECT xobj; | |
113 | EVP_PKEY *pkey; | |
114 | int do_ver = 0; | |
439df508 | 115 | const EVP_MD *md_alg,*digest=EVP_md5(); |
d02b48c6 RE |
116 | |
117 | apps_startup(); | |
118 | ||
119 | if (bio_err == NULL) | |
120 | if ((bio_err=BIO_new(BIO_s_file())) != NULL) | |
58964a49 | 121 | BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT); |
d02b48c6 RE |
122 | |
123 | if (bio_out == NULL) | |
124 | if ((bio_out=BIO_new(BIO_s_file())) != NULL) | |
645749ef | 125 | { |
d02b48c6 | 126 | BIO_set_fp(bio_out,stdout,BIO_NOCLOSE); |
645749ef RL |
127 | #ifdef VMS |
128 | { | |
129 | BIO *tmpbio = BIO_new(BIO_f_linebuffer()); | |
130 | bio_out = BIO_push(tmpbio, bio_out); | |
131 | } | |
132 | #endif | |
133 | } | |
d02b48c6 RE |
134 | |
135 | informat=FORMAT_PEM; | |
136 | outformat=FORMAT_PEM; | |
137 | ||
138 | argc--; | |
139 | argv++; | |
140 | num=0; | |
141 | while (argc >= 1) | |
142 | { | |
143 | #ifdef undef | |
144 | if (strcmp(*argv,"-p") == 0) | |
145 | { | |
146 | if (--argc < 1) goto bad; | |
147 | if (!args_from_file(++argv,Nargc,Nargv)) { goto end; }*/ | |
148 | } | |
149 | #endif | |
150 | if (strcmp(*argv,"-inform") == 0) | |
151 | { | |
152 | if (--argc < 1) goto bad; | |
153 | informat=str2fmt(*(++argv)); | |
154 | } | |
155 | else if (strcmp(*argv,"-outform") == 0) | |
156 | { | |
157 | if (--argc < 1) goto bad; | |
158 | outformat=str2fmt(*(++argv)); | |
159 | } | |
d02b48c6 RE |
160 | else if (strcmp(*argv,"-in") == 0) |
161 | { | |
162 | if (--argc < 1) goto bad; | |
163 | infile= *(++argv); | |
164 | } | |
165 | else if (strcmp(*argv,"-out") == 0) | |
166 | { | |
167 | if (--argc < 1) goto bad; | |
168 | outfile= *(++argv); | |
169 | } | |
090d848e DSH |
170 | else if (strcmp(*argv,"-CApath") == 0) |
171 | { | |
172 | if (--argc < 1) goto bad; | |
173 | CApath = *(++argv); | |
174 | do_ver = 1; | |
175 | } | |
176 | else if (strcmp(*argv,"-CAfile") == 0) | |
177 | { | |
178 | if (--argc < 1) goto bad; | |
179 | CAfile = *(++argv); | |
180 | do_ver = 1; | |
181 | } | |
182 | else if (strcmp(*argv,"-verify") == 0) | |
183 | do_ver = 1; | |
0ca5f8b1 DSH |
184 | else if (strcmp(*argv,"-text") == 0) |
185 | text = 1; | |
d02b48c6 RE |
186 | else if (strcmp(*argv,"-hash") == 0) |
187 | hash= ++num; | |
188 | else if (strcmp(*argv,"-issuer") == 0) | |
189 | issuer= ++num; | |
190 | else if (strcmp(*argv,"-lastupdate") == 0) | |
191 | lastupdate= ++num; | |
192 | else if (strcmp(*argv,"-nextupdate") == 0) | |
193 | nextupdate= ++num; | |
194 | else if (strcmp(*argv,"-noout") == 0) | |
195 | noout= ++num; | |
439df508 DSH |
196 | else if (strcmp(*argv,"-fingerprint") == 0) |
197 | fingerprint= ++num; | |
198 | else if ((md_alg=EVP_get_digestbyname(*argv + 1))) | |
199 | { | |
200 | /* ok */ | |
201 | digest=md_alg; | |
202 | } | |
d02b48c6 RE |
203 | else |
204 | { | |
205 | BIO_printf(bio_err,"unknown option %s\n",*argv); | |
206 | badops=1; | |
207 | break; | |
208 | } | |
209 | argc--; | |
210 | argv++; | |
211 | } | |
212 | ||
d02b48c6 RE |
213 | if (badops) |
214 | { | |
215 | bad: | |
216 | for (pp=crl_usage; (*pp != NULL); pp++) | |
217 | BIO_printf(bio_err,*pp); | |
218 | goto end; | |
219 | } | |
220 | ||
221 | ERR_load_crypto_strings(); | |
222 | x=load_crl(infile,informat); | |
223 | if (x == NULL) { goto end; } | |
224 | ||
090d848e DSH |
225 | if(do_ver) { |
226 | store = X509_STORE_new(); | |
227 | lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file()); | |
228 | if (lookup == NULL) goto end; | |
229 | if (!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) | |
230 | X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT); | |
231 | ||
232 | lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir()); | |
233 | if (lookup == NULL) goto end; | |
234 | if (!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) | |
235 | X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT); | |
236 | ERR_clear_error(); | |
237 | ||
238 | X509_STORE_CTX_init(&ctx, store, NULL, NULL); | |
239 | ||
240 | i = X509_STORE_get_by_subject(&ctx, X509_LU_X509, | |
241 | X509_CRL_get_issuer(x), &xobj); | |
242 | if(i <= 0) { | |
243 | BIO_printf(bio_err, | |
244 | "Error getting CRL issuer certificate\n"); | |
245 | goto end; | |
246 | } | |
247 | pkey = X509_get_pubkey(xobj.data.x509); | |
248 | X509_OBJECT_free_contents(&xobj); | |
249 | if(!pkey) { | |
250 | BIO_printf(bio_err, | |
251 | "Error getting CRL issuer public key\n"); | |
252 | goto end; | |
253 | } | |
254 | i = X509_CRL_verify(x, pkey); | |
255 | EVP_PKEY_free(pkey); | |
256 | if(i < 0) goto end; | |
257 | if(i == 0) BIO_printf(bio_err, "verify failure\n"); | |
258 | else BIO_printf(bio_err, "verify OK\n"); | |
259 | } | |
260 | ||
d02b48c6 RE |
261 | if (num) |
262 | { | |
263 | for (i=1; i<=num; i++) | |
264 | { | |
265 | if (issuer == i) | |
266 | { | |
090d848e DSH |
267 | X509_NAME_oneline(X509_CRL_get_issuer(x), |
268 | buf,256); | |
0ca5f8b1 | 269 | BIO_printf(bio_out,"issuer= %s\n",buf); |
d02b48c6 RE |
270 | } |
271 | ||
272 | if (hash == i) | |
273 | { | |
0ca5f8b1 | 274 | BIO_printf(bio_out,"%08lx\n", |
090d848e | 275 | X509_NAME_hash(X509_CRL_get_issuer(x))); |
d02b48c6 RE |
276 | } |
277 | if (lastupdate == i) | |
278 | { | |
0ca5f8b1 | 279 | BIO_printf(bio_out,"lastUpdate="); |
090d848e DSH |
280 | ASN1_TIME_print(bio_out, |
281 | X509_CRL_get_lastUpdate(x)); | |
0ca5f8b1 | 282 | BIO_printf(bio_out,"\n"); |
d02b48c6 RE |
283 | } |
284 | if (nextupdate == i) | |
285 | { | |
0ca5f8b1 | 286 | BIO_printf(bio_out,"nextUpdate="); |
090d848e DSH |
287 | if (X509_CRL_get_nextUpdate(x)) |
288 | ASN1_TIME_print(bio_out, | |
289 | X509_CRL_get_nextUpdate(x)); | |
58964a49 | 290 | else |
0ca5f8b1 DSH |
291 | BIO_printf(bio_out,"NONE"); |
292 | BIO_printf(bio_out,"\n"); | |
d02b48c6 | 293 | } |
439df508 DSH |
294 | if (fingerprint == i) |
295 | { | |
296 | int j; | |
297 | unsigned int n; | |
298 | unsigned char md[EVP_MAX_MD_SIZE]; | |
299 | ||
300 | if (!X509_CRL_digest(x,digest,md,&n)) | |
301 | { | |
302 | BIO_printf(bio_err,"out of memory\n"); | |
303 | goto end; | |
304 | } | |
305 | BIO_printf(bio_out,"%s Fingerprint=", | |
306 | OBJ_nid2sn(EVP_MD_type(digest))); | |
307 | for (j=0; j<(int)n; j++) | |
308 | { | |
309 | BIO_printf(bio_out,"%02X%c",md[j], | |
310 | (j+1 == (int)n) | |
311 | ?'\n':':'); | |
312 | } | |
313 | } | |
d02b48c6 RE |
314 | } |
315 | } | |
316 | ||
d02b48c6 RE |
317 | out=BIO_new(BIO_s_file()); |
318 | if (out == NULL) | |
319 | { | |
320 | ERR_print_errors(bio_err); | |
321 | goto end; | |
322 | } | |
323 | ||
324 | if (outfile == NULL) | |
645749ef | 325 | { |
d02b48c6 | 326 | BIO_set_fp(out,stdout,BIO_NOCLOSE); |
645749ef RL |
327 | #ifdef VMS |
328 | { | |
329 | BIO *tmpbio = BIO_new(BIO_f_linebuffer()); | |
330 | out = BIO_push(tmpbio, out); | |
331 | } | |
332 | #endif | |
333 | } | |
d02b48c6 RE |
334 | else |
335 | { | |
336 | if (BIO_write_filename(out,outfile) <= 0) | |
337 | { | |
338 | perror(outfile); | |
339 | goto end; | |
340 | } | |
341 | } | |
342 | ||
0ca5f8b1 | 343 | if (text) X509_CRL_print(out, x); |
2f0cd195 RE |
344 | |
345 | if (noout) goto end; | |
346 | ||
d02b48c6 RE |
347 | if (outformat == FORMAT_ASN1) |
348 | i=(int)i2d_X509_CRL_bio(out,x); | |
349 | else if (outformat == FORMAT_PEM) | |
350 | i=PEM_write_bio_X509_CRL(out,x); | |
d02b48c6 RE |
351 | else |
352 | { | |
353 | BIO_printf(bio_err,"bad output format specified for outfile\n"); | |
354 | goto end; | |
355 | } | |
356 | if (!i) { BIO_printf(bio_err,"unable to write CRL\n"); goto end; } | |
357 | ret=0; | |
358 | end: | |
645749ef RL |
359 | BIO_free_all(out); |
360 | BIO_free_all(bio_out); | |
b74ba295 | 361 | bio_out=NULL; |
0ca5f8b1 | 362 | X509_CRL_free(x); |
090d848e DSH |
363 | if(store) { |
364 | X509_STORE_CTX_cleanup(&ctx); | |
365 | X509_STORE_free(store); | |
366 | } | |
d02b48c6 RE |
367 | EXIT(ret); |
368 | } | |
369 | ||
6b691a5c | 370 | static X509_CRL *load_crl(char *infile, int format) |
d02b48c6 RE |
371 | { |
372 | X509_CRL *x=NULL; | |
373 | BIO *in=NULL; | |
374 | ||
375 | in=BIO_new(BIO_s_file()); | |
376 | if (in == NULL) | |
377 | { | |
378 | ERR_print_errors(bio_err); | |
379 | goto end; | |
380 | } | |
381 | ||
382 | if (infile == NULL) | |
383 | BIO_set_fp(in,stdin,BIO_NOCLOSE); | |
384 | else | |
385 | { | |
386 | if (BIO_read_filename(in,infile) <= 0) | |
387 | { | |
388 | perror(infile); | |
389 | goto end; | |
390 | } | |
391 | } | |
392 | if (format == FORMAT_ASN1) | |
393 | x=d2i_X509_CRL_bio(in,NULL); | |
394 | else if (format == FORMAT_PEM) | |
74678cc2 | 395 | x=PEM_read_bio_X509_CRL(in,NULL,NULL,NULL); |
d02b48c6 RE |
396 | else { |
397 | BIO_printf(bio_err,"bad input format specified for input crl\n"); | |
398 | goto end; | |
399 | } | |
400 | if (x == NULL) | |
401 | { | |
402 | BIO_printf(bio_err,"unable to load CRL\n"); | |
403 | ERR_print_errors(bio_err); | |
404 | goto end; | |
405 | } | |
406 | ||
407 | end: | |
0ca5f8b1 | 408 | BIO_free(in); |
d02b48c6 RE |
409 | return(x); |
410 | } | |
411 |