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846e33c7 RS |
1 | /* |
2 | * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved. | |
d02b48c6 | 3 | * |
846e33c7 RS |
4 | * Licensed under the OpenSSL license (the "License"). You may not use |
5 | * this file except in compliance with the License. You can obtain a copy | |
6 | * in the file LICENSE in the source distribution or at | |
7 | * https://www.openssl.org/source/license.html | |
d02b48c6 RE |
8 | */ |
9 | ||
10 | #include <stdio.h> | |
11 | #include <stdlib.h> | |
12 | #include <string.h> | |
13 | #include "apps.h" | |
ec577822 BM |
14 | #include <openssl/bio.h> |
15 | #include <openssl/err.h> | |
16 | #include <openssl/x509.h> | |
17 | #include <openssl/x509v3.h> | |
18 | #include <openssl/pem.h> | |
d02b48c6 | 19 | |
7e1b7485 RS |
20 | typedef enum OPTION_choice { |
21 | OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, | |
22 | OPT_INFORM, OPT_IN, OPT_OUTFORM, OPT_OUT, OPT_KEYFORM, OPT_KEY, | |
23 | OPT_ISSUER, OPT_LASTUPDATE, OPT_NEXTUPDATE, OPT_FINGERPRINT, | |
24 | OPT_CRLNUMBER, OPT_BADSIG, OPT_GENDELTA, OPT_CAPATH, OPT_CAFILE, | |
2b6bcb70 MC |
25 | OPT_NOCAPATH, OPT_NOCAFILE, OPT_VERIFY, OPT_TEXT, OPT_HASH, OPT_HASH_OLD, |
26 | OPT_NOOUT, OPT_NAMEOPT, OPT_MD | |
7e1b7485 | 27 | } OPTION_CHOICE; |
d02b48c6 | 28 | |
44c83ebd | 29 | const OPTIONS crl_options[] = { |
7e1b7485 RS |
30 | {"help", OPT_HELP, '-', "Display this summary"}, |
31 | {"inform", OPT_INFORM, 'F', "Input format; default PEM"}, | |
32 | {"in", OPT_IN, '<', "Input file - default stdin"}, | |
33 | {"outform", OPT_OUTFORM, 'F', "Output format - default PEM"}, | |
34 | {"out", OPT_OUT, '>', "output file - default stdout"}, | |
16e1b281 F |
35 | {"keyform", OPT_KEYFORM, 'F', "Private key file format (PEM or ENGINE)"}, |
36 | {"key", OPT_KEY, '<', "CRL signing Private key to use"}, | |
7e1b7485 RS |
37 | {"issuer", OPT_ISSUER, '-', "Print issuer DN"}, |
38 | {"lastupdate", OPT_LASTUPDATE, '-', "Set lastUpdate field"}, | |
39 | {"nextupdate", OPT_NEXTUPDATE, '-', "Set nextUpdate field"}, | |
40 | {"noout", OPT_NOOUT, '-', "No CRL output"}, | |
41 | {"fingerprint", OPT_FINGERPRINT, '-', "Print the crl fingerprint"}, | |
42 | {"crlnumber", OPT_CRLNUMBER, '-', "Print CRL number"}, | |
16e1b281 | 43 | {"badsig", OPT_BADSIG, '-', "Corrupt last byte of loaded CRL signature (for test)" }, |
12d56b29 | 44 | {"gendelta", OPT_GENDELTA, '<', "Other CRL to compare/diff to the Input one"}, |
7e1b7485 RS |
45 | {"CApath", OPT_CAPATH, '/', "Verify CRL using certificates in dir"}, |
46 | {"CAfile", OPT_CAFILE, '<', "Verify CRL using certificates in file name"}, | |
2b6bcb70 MC |
47 | {"no-CAfile", OPT_NOCAFILE, '-', |
48 | "Do not load the default certificates file"}, | |
49 | {"no-CApath", OPT_NOCAPATH, '-', | |
50 | "Do not load certificates from the default certificates directory"}, | |
16e1b281 | 51 | {"verify", OPT_VERIFY, '-', "Verify CRL signature"}, |
7e1b7485 RS |
52 | {"text", OPT_TEXT, '-', "Print out a text format version"}, |
53 | {"hash", OPT_HASH, '-', "Print hash value"}, | |
9c3bcfa0 RS |
54 | {"nameopt", OPT_NAMEOPT, 's', "Various certificate name options"}, |
55 | {"", OPT_MD, '-', "Any supported digest"}, | |
de2d97cd | 56 | #ifndef OPENSSL_NO_MD5 |
7e1b7485 | 57 | {"hash_old", OPT_HASH_OLD, '-', "Print old-style (MD5) hash value"}, |
de2d97cd | 58 | #endif |
7e1b7485 | 59 | {NULL} |
d02b48c6 RE |
60 | }; |
61 | ||
7e1b7485 | 62 | int crl_main(int argc, char **argv) |
0f113f3e | 63 | { |
0f113f3e | 64 | X509_CRL *x = NULL; |
0f113f3e | 65 | BIO *out = NULL; |
0f113f3e | 66 | X509_STORE *store = NULL; |
f0e0fd51 | 67 | X509_STORE_CTX *ctx = NULL; |
0f113f3e | 68 | X509_LOOKUP *lookup = NULL; |
f0e0fd51 | 69 | X509_OBJECT *xobj = NULL; |
0f113f3e | 70 | EVP_PKEY *pkey; |
7e1b7485 RS |
71 | const EVP_MD *digest = EVP_sha1(); |
72 | unsigned long nmflag = 0; | |
f1cece55 | 73 | char nmflag_set = 0; |
7e1b7485 | 74 | char *infile = NULL, *outfile = NULL, *crldiff = NULL, *keyfile = NULL; |
cc696296 | 75 | const char *CAfile = NULL, *CApath = NULL, *prog; |
7e1b7485 | 76 | OPTION_CHOICE o; |
9c3bcfa0 | 77 | int hash = 0, issuer = 0, lastupdate = 0, nextupdate = 0, noout = 0; |
7e1b7485 | 78 | int informat = FORMAT_PEM, outformat = FORMAT_PEM, keyformat = FORMAT_PEM; |
9c3bcfa0 | 79 | int ret = 1, num = 0, badsig = 0, fingerprint = 0, crlnumber = 0; |
2b6bcb70 | 80 | int text = 0, do_ver = 0, noCAfile = 0, noCApath = 0; |
9c3bcfa0 | 81 | int i; |
7e1b7485 RS |
82 | #ifndef OPENSSL_NO_MD5 |
83 | int hash_old = 0; | |
645749ef | 84 | #endif |
d02b48c6 | 85 | |
7e1b7485 RS |
86 | prog = opt_init(argc, argv, crl_options); |
87 | while ((o = opt_next()) != OPT_EOF) { | |
88 | switch (o) { | |
89 | case OPT_EOF: | |
90 | case OPT_ERR: | |
91 | opthelp: | |
92 | BIO_printf(bio_err, "%s: Use -help for summary.\n", prog); | |
93 | goto end; | |
94 | case OPT_HELP: | |
95 | opt_help(crl_options); | |
96 | ret = 0; | |
97 | goto end; | |
98 | case OPT_INFORM: | |
99 | if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &informat)) | |
100 | goto opthelp; | |
101 | break; | |
102 | case OPT_IN: | |
103 | infile = opt_arg(); | |
104 | break; | |
105 | case OPT_OUTFORM: | |
106 | if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat)) | |
107 | goto opthelp; | |
108 | break; | |
109 | case OPT_OUT: | |
110 | outfile = opt_arg(); | |
111 | break; | |
112 | case OPT_KEYFORM: | |
113 | if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &keyformat)) | |
114 | goto opthelp; | |
115 | break; | |
116 | case OPT_KEY: | |
117 | keyfile = opt_arg(); | |
118 | break; | |
119 | case OPT_GENDELTA: | |
120 | crldiff = opt_arg(); | |
121 | break; | |
122 | case OPT_CAPATH: | |
123 | CApath = opt_arg(); | |
0f113f3e | 124 | do_ver = 1; |
7e1b7485 RS |
125 | break; |
126 | case OPT_CAFILE: | |
127 | CAfile = opt_arg(); | |
0f113f3e | 128 | do_ver = 1; |
7e1b7485 | 129 | break; |
2b6bcb70 MC |
130 | case OPT_NOCAPATH: |
131 | noCApath = 1; | |
132 | break; | |
133 | case OPT_NOCAFILE: | |
134 | noCAfile = 1; | |
135 | break; | |
7e1b7485 | 136 | case OPT_HASH_OLD: |
9c3bcfa0 | 137 | #ifndef OPENSSL_NO_MD5 |
0f113f3e | 138 | hash_old = ++num; |
de2d97cd | 139 | #endif |
9c3bcfa0 | 140 | break; |
7e1b7485 RS |
141 | case OPT_VERIFY: |
142 | do_ver = 1; | |
143 | break; | |
144 | case OPT_TEXT: | |
145 | text = 1; | |
146 | break; | |
147 | case OPT_HASH: | |
148 | hash = ++num; | |
149 | break; | |
150 | case OPT_ISSUER: | |
0f113f3e | 151 | issuer = ++num; |
7e1b7485 RS |
152 | break; |
153 | case OPT_LASTUPDATE: | |
0f113f3e | 154 | lastupdate = ++num; |
7e1b7485 RS |
155 | break; |
156 | case OPT_NEXTUPDATE: | |
0f113f3e | 157 | nextupdate = ++num; |
7e1b7485 RS |
158 | break; |
159 | case OPT_NOOUT: | |
0f113f3e | 160 | noout = ++num; |
7e1b7485 RS |
161 | break; |
162 | case OPT_FINGERPRINT: | |
0f113f3e | 163 | fingerprint = ++num; |
7e1b7485 RS |
164 | break; |
165 | case OPT_CRLNUMBER: | |
0f113f3e | 166 | crlnumber = ++num; |
7e1b7485 RS |
167 | break; |
168 | case OPT_BADSIG: | |
0f113f3e | 169 | badsig = 1; |
0f113f3e | 170 | break; |
7e1b7485 | 171 | case OPT_NAMEOPT: |
f1cece55 | 172 | nmflag_set = 1; |
7e1b7485 RS |
173 | if (!set_name_ex(&nmflag, opt_arg())) |
174 | goto opthelp; | |
175 | break; | |
176 | case OPT_MD: | |
177 | if (!opt_md(opt_unknown(), &digest)) | |
178 | goto opthelp; | |
0f113f3e | 179 | } |
0f113f3e | 180 | } |
7e1b7485 | 181 | argc = opt_num_rest(); |
03358517 KR |
182 | if (argc != 0) |
183 | goto opthelp; | |
d02b48c6 | 184 | |
f1cece55 RL |
185 | if (!nmflag_set) |
186 | nmflag = XN_FLAG_ONELINE; | |
187 | ||
0f113f3e | 188 | x = load_crl(infile, informat); |
7e1b7485 | 189 | if (x == NULL) |
0f113f3e | 190 | goto end; |
d02b48c6 | 191 | |
0f113f3e | 192 | if (do_ver) { |
2b6bcb70 | 193 | if ((store = setup_verify(CAfile, CApath, noCAfile, noCApath)) == NULL) |
0f113f3e | 194 | goto end; |
7e1b7485 | 195 | lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file()); |
0f113f3e MC |
196 | if (lookup == NULL) |
197 | goto end; | |
f0e0fd51 | 198 | ctx = X509_STORE_CTX_new(); |
70015713 | 199 | if (ctx == NULL || !X509_STORE_CTX_init(ctx, store, NULL, NULL)) { |
0f113f3e MC |
200 | BIO_printf(bio_err, "Error initialising X509 store\n"); |
201 | goto end; | |
202 | } | |
090d848e | 203 | |
6ddbb4cd RS |
204 | xobj = X509_STORE_CTX_get_obj_by_subject(ctx, X509_LU_X509, |
205 | X509_CRL_get_issuer(x)); | |
f0e0fd51 | 206 | if (xobj == NULL) { |
0f113f3e MC |
207 | BIO_printf(bio_err, "Error getting CRL issuer certificate\n"); |
208 | goto end; | |
209 | } | |
f0e0fd51 RS |
210 | pkey = X509_get_pubkey(X509_OBJECT_get0_X509(xobj)); |
211 | X509_OBJECT_free(xobj); | |
0f113f3e MC |
212 | if (!pkey) { |
213 | BIO_printf(bio_err, "Error getting CRL issuer public key\n"); | |
214 | goto end; | |
215 | } | |
216 | i = X509_CRL_verify(x, pkey); | |
f0e0fd51 | 217 | EVP_PKEY_free(pkey); |
0f113f3e MC |
218 | if (i < 0) |
219 | goto end; | |
220 | if (i == 0) | |
221 | BIO_printf(bio_err, "verify failure\n"); | |
222 | else | |
223 | BIO_printf(bio_err, "verify OK\n"); | |
224 | } | |
090d848e | 225 | |
0f113f3e MC |
226 | if (crldiff) { |
227 | X509_CRL *newcrl, *delta; | |
228 | if (!keyfile) { | |
229 | BIO_puts(bio_err, "Missing CRL signing key\n"); | |
230 | goto end; | |
231 | } | |
232 | newcrl = load_crl(crldiff, informat); | |
233 | if (!newcrl) | |
234 | goto end; | |
7e1b7485 | 235 | pkey = load_key(keyfile, keyformat, 0, NULL, NULL, "CRL signing key"); |
0f113f3e MC |
236 | if (!pkey) { |
237 | X509_CRL_free(newcrl); | |
238 | goto end; | |
239 | } | |
240 | delta = X509_CRL_diff(x, newcrl, pkey, digest, 0); | |
241 | X509_CRL_free(newcrl); | |
242 | EVP_PKEY_free(pkey); | |
243 | if (delta) { | |
244 | X509_CRL_free(x); | |
245 | x = delta; | |
246 | } else { | |
247 | BIO_puts(bio_err, "Error creating delta CRL\n"); | |
248 | goto end; | |
249 | } | |
250 | } | |
2e8cb108 | 251 | |
0f022f5a | 252 | if (badsig) { |
5e6089f0 | 253 | const ASN1_BIT_STRING *sig; |
0f022f5a | 254 | |
5e6089f0 | 255 | X509_CRL_get0_signature(x, &sig, NULL); |
a0754084 | 256 | corrupt_signature(sig); |
0f022f5a DSH |
257 | } |
258 | ||
0f113f3e MC |
259 | if (num) { |
260 | for (i = 1; i <= num; i++) { | |
261 | if (issuer == i) { | |
262 | print_name(bio_out, "issuer=", X509_CRL_get_issuer(x), | |
263 | nmflag); | |
264 | } | |
265 | if (crlnumber == i) { | |
266 | ASN1_INTEGER *crlnum; | |
267 | crlnum = X509_CRL_get_ext_d2i(x, NID_crl_number, NULL, NULL); | |
268 | BIO_printf(bio_out, "crlNumber="); | |
269 | if (crlnum) { | |
270 | i2a_ASN1_INTEGER(bio_out, crlnum); | |
271 | ASN1_INTEGER_free(crlnum); | |
272 | } else | |
273 | BIO_puts(bio_out, "<NONE>"); | |
274 | BIO_printf(bio_out, "\n"); | |
275 | } | |
276 | if (hash == i) { | |
277 | BIO_printf(bio_out, "%08lx\n", | |
278 | X509_NAME_hash(X509_CRL_get_issuer(x))); | |
279 | } | |
de2d97cd | 280 | #ifndef OPENSSL_NO_MD5 |
0f113f3e MC |
281 | if (hash_old == i) { |
282 | BIO_printf(bio_out, "%08lx\n", | |
283 | X509_NAME_hash_old(X509_CRL_get_issuer(x))); | |
284 | } | |
de2d97cd | 285 | #endif |
0f113f3e MC |
286 | if (lastupdate == i) { |
287 | BIO_printf(bio_out, "lastUpdate="); | |
568ce3a5 | 288 | ASN1_TIME_print(bio_out, X509_CRL_get0_lastUpdate(x)); |
0f113f3e MC |
289 | BIO_printf(bio_out, "\n"); |
290 | } | |
291 | if (nextupdate == i) { | |
292 | BIO_printf(bio_out, "nextUpdate="); | |
568ce3a5 DSH |
293 | if (X509_CRL_get0_nextUpdate(x)) |
294 | ASN1_TIME_print(bio_out, X509_CRL_get0_nextUpdate(x)); | |
0f113f3e MC |
295 | else |
296 | BIO_printf(bio_out, "NONE"); | |
297 | BIO_printf(bio_out, "\n"); | |
298 | } | |
299 | if (fingerprint == i) { | |
300 | int j; | |
301 | unsigned int n; | |
302 | unsigned char md[EVP_MAX_MD_SIZE]; | |
439df508 | 303 | |
0f113f3e MC |
304 | if (!X509_CRL_digest(x, digest, md, &n)) { |
305 | BIO_printf(bio_err, "out of memory\n"); | |
306 | goto end; | |
307 | } | |
308 | BIO_printf(bio_out, "%s Fingerprint=", | |
309 | OBJ_nid2sn(EVP_MD_type(digest))); | |
310 | for (j = 0; j < (int)n; j++) { | |
311 | BIO_printf(bio_out, "%02X%c", md[j], (j + 1 == (int)n) | |
312 | ? '\n' : ':'); | |
313 | } | |
314 | } | |
315 | } | |
316 | } | |
bdd58d98 | 317 | out = bio_open_default(outfile, 'w', outformat); |
7e1b7485 | 318 | if (out == NULL) |
0f113f3e | 319 | goto end; |
d02b48c6 | 320 | |
0f113f3e MC |
321 | if (text) |
322 | X509_CRL_print(out, x); | |
2f0cd195 | 323 | |
0f113f3e MC |
324 | if (noout) { |
325 | ret = 0; | |
326 | goto end; | |
327 | } | |
2f0cd195 | 328 | |
0f113f3e MC |
329 | if (outformat == FORMAT_ASN1) |
330 | i = (int)i2d_X509_CRL_bio(out, x); | |
7e1b7485 | 331 | else |
0f113f3e | 332 | i = PEM_write_bio_X509_CRL(out, x); |
0f113f3e MC |
333 | if (!i) { |
334 | BIO_printf(bio_err, "unable to write CRL\n"); | |
335 | goto end; | |
336 | } | |
337 | ret = 0; | |
7e1b7485 | 338 | |
0f113f3e MC |
339 | end: |
340 | if (ret != 0) | |
341 | ERR_print_errors(bio_err); | |
342 | BIO_free_all(out); | |
0f113f3e | 343 | X509_CRL_free(x); |
f0e0fd51 RS |
344 | X509_STORE_CTX_free(ctx); |
345 | X509_STORE_free(store); | |
7e1b7485 | 346 | return (ret); |
0f113f3e | 347 | } |