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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 | 71 | const EVP_MD *digest = EVP_sha1(); |
7e1b7485 | 72 | char *infile = NULL, *outfile = NULL, *crldiff = NULL, *keyfile = NULL; |
cc696296 | 73 | const char *CAfile = NULL, *CApath = NULL, *prog; |
7e1b7485 | 74 | OPTION_CHOICE o; |
9c3bcfa0 | 75 | int hash = 0, issuer = 0, lastupdate = 0, nextupdate = 0, noout = 0; |
7e1b7485 | 76 | int informat = FORMAT_PEM, outformat = FORMAT_PEM, keyformat = FORMAT_PEM; |
9c3bcfa0 | 77 | int ret = 1, num = 0, badsig = 0, fingerprint = 0, crlnumber = 0; |
2b6bcb70 | 78 | int text = 0, do_ver = 0, noCAfile = 0, noCApath = 0; |
9c3bcfa0 | 79 | int i; |
7e1b7485 RS |
80 | #ifndef OPENSSL_NO_MD5 |
81 | int hash_old = 0; | |
645749ef | 82 | #endif |
d02b48c6 | 83 | |
7e1b7485 RS |
84 | prog = opt_init(argc, argv, crl_options); |
85 | while ((o = opt_next()) != OPT_EOF) { | |
86 | switch (o) { | |
87 | case OPT_EOF: | |
88 | case OPT_ERR: | |
89 | opthelp: | |
90 | BIO_printf(bio_err, "%s: Use -help for summary.\n", prog); | |
91 | goto end; | |
92 | case OPT_HELP: | |
93 | opt_help(crl_options); | |
94 | ret = 0; | |
95 | goto end; | |
96 | case OPT_INFORM: | |
97 | if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &informat)) | |
98 | goto opthelp; | |
99 | break; | |
100 | case OPT_IN: | |
101 | infile = opt_arg(); | |
102 | break; | |
103 | case OPT_OUTFORM: | |
104 | if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat)) | |
105 | goto opthelp; | |
106 | break; | |
107 | case OPT_OUT: | |
108 | outfile = opt_arg(); | |
109 | break; | |
110 | case OPT_KEYFORM: | |
111 | if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &keyformat)) | |
112 | goto opthelp; | |
113 | break; | |
114 | case OPT_KEY: | |
115 | keyfile = opt_arg(); | |
116 | break; | |
117 | case OPT_GENDELTA: | |
118 | crldiff = opt_arg(); | |
119 | break; | |
120 | case OPT_CAPATH: | |
121 | CApath = opt_arg(); | |
0f113f3e | 122 | do_ver = 1; |
7e1b7485 RS |
123 | break; |
124 | case OPT_CAFILE: | |
125 | CAfile = opt_arg(); | |
0f113f3e | 126 | do_ver = 1; |
7e1b7485 | 127 | break; |
2b6bcb70 MC |
128 | case OPT_NOCAPATH: |
129 | noCApath = 1; | |
130 | break; | |
131 | case OPT_NOCAFILE: | |
132 | noCAfile = 1; | |
133 | break; | |
7e1b7485 | 134 | case OPT_HASH_OLD: |
9c3bcfa0 | 135 | #ifndef OPENSSL_NO_MD5 |
0f113f3e | 136 | hash_old = ++num; |
de2d97cd | 137 | #endif |
9c3bcfa0 | 138 | break; |
7e1b7485 RS |
139 | case OPT_VERIFY: |
140 | do_ver = 1; | |
141 | break; | |
142 | case OPT_TEXT: | |
143 | text = 1; | |
144 | break; | |
145 | case OPT_HASH: | |
146 | hash = ++num; | |
147 | break; | |
148 | case OPT_ISSUER: | |
0f113f3e | 149 | issuer = ++num; |
7e1b7485 RS |
150 | break; |
151 | case OPT_LASTUPDATE: | |
0f113f3e | 152 | lastupdate = ++num; |
7e1b7485 RS |
153 | break; |
154 | case OPT_NEXTUPDATE: | |
0f113f3e | 155 | nextupdate = ++num; |
7e1b7485 RS |
156 | break; |
157 | case OPT_NOOUT: | |
0f113f3e | 158 | noout = ++num; |
7e1b7485 RS |
159 | break; |
160 | case OPT_FINGERPRINT: | |
0f113f3e | 161 | fingerprint = ++num; |
7e1b7485 RS |
162 | break; |
163 | case OPT_CRLNUMBER: | |
0f113f3e | 164 | crlnumber = ++num; |
7e1b7485 RS |
165 | break; |
166 | case OPT_BADSIG: | |
0f113f3e | 167 | badsig = 1; |
0f113f3e | 168 | break; |
7e1b7485 | 169 | case OPT_NAMEOPT: |
b5c4209b | 170 | if (!set_nameopt(opt_arg())) |
7e1b7485 RS |
171 | goto opthelp; |
172 | break; | |
173 | case OPT_MD: | |
174 | if (!opt_md(opt_unknown(), &digest)) | |
175 | goto opthelp; | |
0f113f3e | 176 | } |
0f113f3e | 177 | } |
7e1b7485 | 178 | argc = opt_num_rest(); |
03358517 KR |
179 | if (argc != 0) |
180 | goto opthelp; | |
d02b48c6 | 181 | |
0f113f3e | 182 | x = load_crl(infile, informat); |
7e1b7485 | 183 | if (x == NULL) |
0f113f3e | 184 | goto end; |
d02b48c6 | 185 | |
0f113f3e | 186 | if (do_ver) { |
2b6bcb70 | 187 | if ((store = setup_verify(CAfile, CApath, noCAfile, noCApath)) == NULL) |
0f113f3e | 188 | goto end; |
7e1b7485 | 189 | lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file()); |
0f113f3e MC |
190 | if (lookup == NULL) |
191 | goto end; | |
f0e0fd51 | 192 | ctx = X509_STORE_CTX_new(); |
70015713 | 193 | if (ctx == NULL || !X509_STORE_CTX_init(ctx, store, NULL, NULL)) { |
0f113f3e MC |
194 | BIO_printf(bio_err, "Error initialising X509 store\n"); |
195 | goto end; | |
196 | } | |
090d848e | 197 | |
6ddbb4cd RS |
198 | xobj = X509_STORE_CTX_get_obj_by_subject(ctx, X509_LU_X509, |
199 | X509_CRL_get_issuer(x)); | |
f0e0fd51 | 200 | if (xobj == NULL) { |
0f113f3e MC |
201 | BIO_printf(bio_err, "Error getting CRL issuer certificate\n"); |
202 | goto end; | |
203 | } | |
f0e0fd51 RS |
204 | pkey = X509_get_pubkey(X509_OBJECT_get0_X509(xobj)); |
205 | X509_OBJECT_free(xobj); | |
0f113f3e MC |
206 | if (!pkey) { |
207 | BIO_printf(bio_err, "Error getting CRL issuer public key\n"); | |
208 | goto end; | |
209 | } | |
210 | i = X509_CRL_verify(x, pkey); | |
f0e0fd51 | 211 | EVP_PKEY_free(pkey); |
0f113f3e MC |
212 | if (i < 0) |
213 | goto end; | |
214 | if (i == 0) | |
215 | BIO_printf(bio_err, "verify failure\n"); | |
216 | else | |
217 | BIO_printf(bio_err, "verify OK\n"); | |
218 | } | |
090d848e | 219 | |
0f113f3e MC |
220 | if (crldiff) { |
221 | X509_CRL *newcrl, *delta; | |
222 | if (!keyfile) { | |
223 | BIO_puts(bio_err, "Missing CRL signing key\n"); | |
224 | goto end; | |
225 | } | |
226 | newcrl = load_crl(crldiff, informat); | |
227 | if (!newcrl) | |
228 | goto end; | |
7e1b7485 | 229 | pkey = load_key(keyfile, keyformat, 0, NULL, NULL, "CRL signing key"); |
0f113f3e MC |
230 | if (!pkey) { |
231 | X509_CRL_free(newcrl); | |
232 | goto end; | |
233 | } | |
234 | delta = X509_CRL_diff(x, newcrl, pkey, digest, 0); | |
235 | X509_CRL_free(newcrl); | |
236 | EVP_PKEY_free(pkey); | |
237 | if (delta) { | |
238 | X509_CRL_free(x); | |
239 | x = delta; | |
240 | } else { | |
241 | BIO_puts(bio_err, "Error creating delta CRL\n"); | |
242 | goto end; | |
243 | } | |
244 | } | |
2e8cb108 | 245 | |
0f022f5a | 246 | if (badsig) { |
5e6089f0 | 247 | const ASN1_BIT_STRING *sig; |
0f022f5a | 248 | |
5e6089f0 | 249 | X509_CRL_get0_signature(x, &sig, NULL); |
a0754084 | 250 | corrupt_signature(sig); |
0f022f5a DSH |
251 | } |
252 | ||
0f113f3e MC |
253 | if (num) { |
254 | for (i = 1; i <= num; i++) { | |
255 | if (issuer == i) { | |
256 | print_name(bio_out, "issuer=", X509_CRL_get_issuer(x), | |
b5c4209b | 257 | get_nameopt()); |
0f113f3e MC |
258 | } |
259 | if (crlnumber == i) { | |
260 | ASN1_INTEGER *crlnum; | |
261 | crlnum = X509_CRL_get_ext_d2i(x, NID_crl_number, NULL, NULL); | |
262 | BIO_printf(bio_out, "crlNumber="); | |
263 | if (crlnum) { | |
264 | i2a_ASN1_INTEGER(bio_out, crlnum); | |
265 | ASN1_INTEGER_free(crlnum); | |
266 | } else | |
267 | BIO_puts(bio_out, "<NONE>"); | |
268 | BIO_printf(bio_out, "\n"); | |
269 | } | |
270 | if (hash == i) { | |
271 | BIO_printf(bio_out, "%08lx\n", | |
272 | X509_NAME_hash(X509_CRL_get_issuer(x))); | |
273 | } | |
de2d97cd | 274 | #ifndef OPENSSL_NO_MD5 |
0f113f3e MC |
275 | if (hash_old == i) { |
276 | BIO_printf(bio_out, "%08lx\n", | |
277 | X509_NAME_hash_old(X509_CRL_get_issuer(x))); | |
278 | } | |
de2d97cd | 279 | #endif |
0f113f3e MC |
280 | if (lastupdate == i) { |
281 | BIO_printf(bio_out, "lastUpdate="); | |
568ce3a5 | 282 | ASN1_TIME_print(bio_out, X509_CRL_get0_lastUpdate(x)); |
0f113f3e MC |
283 | BIO_printf(bio_out, "\n"); |
284 | } | |
285 | if (nextupdate == i) { | |
286 | BIO_printf(bio_out, "nextUpdate="); | |
568ce3a5 DSH |
287 | if (X509_CRL_get0_nextUpdate(x)) |
288 | ASN1_TIME_print(bio_out, X509_CRL_get0_nextUpdate(x)); | |
0f113f3e MC |
289 | else |
290 | BIO_printf(bio_out, "NONE"); | |
291 | BIO_printf(bio_out, "\n"); | |
292 | } | |
293 | if (fingerprint == i) { | |
294 | int j; | |
295 | unsigned int n; | |
296 | unsigned char md[EVP_MAX_MD_SIZE]; | |
439df508 | 297 | |
0f113f3e MC |
298 | if (!X509_CRL_digest(x, digest, md, &n)) { |
299 | BIO_printf(bio_err, "out of memory\n"); | |
300 | goto end; | |
301 | } | |
302 | BIO_printf(bio_out, "%s Fingerprint=", | |
303 | OBJ_nid2sn(EVP_MD_type(digest))); | |
304 | for (j = 0; j < (int)n; j++) { | |
305 | BIO_printf(bio_out, "%02X%c", md[j], (j + 1 == (int)n) | |
306 | ? '\n' : ':'); | |
307 | } | |
308 | } | |
309 | } | |
310 | } | |
bdd58d98 | 311 | out = bio_open_default(outfile, 'w', outformat); |
7e1b7485 | 312 | if (out == NULL) |
0f113f3e | 313 | goto end; |
d02b48c6 | 314 | |
0f113f3e | 315 | if (text) |
b5c4209b | 316 | X509_CRL_print_ex(out, x, get_nameopt()); |
2f0cd195 | 317 | |
0f113f3e MC |
318 | if (noout) { |
319 | ret = 0; | |
320 | goto end; | |
321 | } | |
2f0cd195 | 322 | |
0f113f3e MC |
323 | if (outformat == FORMAT_ASN1) |
324 | i = (int)i2d_X509_CRL_bio(out, x); | |
7e1b7485 | 325 | else |
0f113f3e | 326 | i = PEM_write_bio_X509_CRL(out, x); |
0f113f3e MC |
327 | if (!i) { |
328 | BIO_printf(bio_err, "unable to write CRL\n"); | |
329 | goto end; | |
330 | } | |
331 | ret = 0; | |
7e1b7485 | 332 | |
0f113f3e MC |
333 | end: |
334 | if (ret != 0) | |
335 | ERR_print_errors(bio_err); | |
336 | BIO_free_all(out); | |
0f113f3e | 337 | X509_CRL_free(x); |
f0e0fd51 RS |
338 | X509_STORE_CTX_free(ctx); |
339 | X509_STORE_free(store); | |
7e1b7485 | 340 | return (ret); |
0f113f3e | 341 | } |